0x18/0x30 [ 238.614838] ? kvm_sched_clock_read+0x9/0x20 [ 238.619252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.624792] ? check_preemption_disabled+0x48/0x200 [ 238.629825] irq_exit+0x17f/0x1c0 [ 238.633286] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.638129] ? smp_reschedule_interrupt+0x109/0x650 [ 238.643148] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.649033] ? interrupt_entry+0xb5/0xf0 [ 238.653096] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.658113] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.663130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.667971] ? trace_hardirqs_off+0x300/0x300 [ 238.672467] ? trace_hardirqs_off+0x300/0x300 [ 238.676963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.682507] ? check_preemption_disabled+0x48/0x200 [ 238.687537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.693170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.698023] apic_timer_interrupt+0xf/0x20 [ 238.702254] [ 238.704497] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.709436] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 238.728341] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 238.736052] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.743322] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 238.750599] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 238.757869] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.765134] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.772453] skb_clone+0x1bb/0x500 [ 238.775994] ? finish_task_switch+0x1b5/0x900 [ 238.780489] ? skb_split+0x11e0/0x11e0 [ 238.784380] ? preempt_notifier_register+0x200/0x200 [ 238.789484] ? __switch_to_asm+0x34/0x70 [ 238.793555] ? __switch_to_asm+0x34/0x70 [ 238.797619] ? __switch_to_asm+0x40/0x70 [ 238.801676] ? __switch_to_asm+0x34/0x70 [ 238.805733] ? __switch_to_asm+0x40/0x70 [ 238.809791] ? __switch_to_asm+0x34/0x70 [ 238.813853] ? __switch_to_asm+0x40/0x70 [ 238.817914] ? __switch_to_asm+0x34/0x70 [ 238.821974] ? __switch_to_asm+0x34/0x70 [ 238.826032] ? __switch_to_asm+0x40/0x70 [ 238.830093] ? __switch_to_asm+0x34/0x70 [ 238.834161] bpf_clone_redirect+0xb9/0x490 [ 238.838401] ? __schedule+0x874/0x1ed0 [ 238.842293] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 238.847309] ? __sched_text_start+0x8/0x8 [ 238.851459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.856230] ? find_held_lock+0x36/0x1c0 [ 238.860301] ? lock_acquire+0x1ed/0x520 [ 238.864274] ? bpf_test_run+0x32e/0x5a0 [ 238.868250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.873822] ? check_preemption_disabled+0x48/0x200 [ 238.878844] ? kasan_check_read+0x11/0x20 [ 238.882996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.888275] ? rcu_bh_qs+0xc0/0xc0 [ 238.891819] ? preempt_schedule+0x4d/0x60 [ 238.895974] ? ___preempt_schedule+0x16/0x18 [ 238.900393] ? bpf_test_run+0x1c0/0x5a0 [ 238.904378] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.908793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.914331] ? bpf_test_init.isra.9+0x70/0x100 [ 238.918917] ? bpf_prog_test_run_skb+0x634/0xb40 [ 238.923683] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.928557] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.934104] ? fput+0x130/0x1a0 [ 238.937388] ? __bpf_prog_get+0x9b/0x290 [ 238.941456] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.946299] ? bpf_prog_test_run+0x130/0x1a0 [ 238.950711] ? __x64_sys_bpf+0x3d8/0x510 [ 238.954775] ? bpf_prog_get+0x20/0x20 [ 238.958592] ? ksys_ioctl+0x81/0xd0 [ 238.962233] ? do_syscall_64+0x1b9/0x820 [ 238.966297] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.971667] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.976610] ? trace_hardirqs_off+0x300/0x300 [ 238.981109] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.986152] ? recalc_sigpending_tsk+0x180/0x180 [ 238.990909] ? kasan_check_write+0x14/0x20 [ 238.995150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.000002] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.005380] warn_alloc_show_mem: 1 callbacks suppressed [ 239.005392] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 239.005393] Mem-Info: [ 239.005426] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 239.005426] active_file:14 inactive_file:18 isolated_file:1 [ 239.005426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.005426] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 239.005426] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 239.005426] free:13768 free_pcp:583 free_cma:0 [ 239.010761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.017612] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.020003] Call Trace: [ 239.052876] Node 0 [ 239.062238] dump_stack+0x1c4/0x2b4 [ 239.089903] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 239.092462] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.094667] lowmem_reserve[]: [ 239.098295] warn_alloc.cold.118+0xb7/0x1bd [ 239.123771] 0 [ 239.128968] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.132040] 2815 [ 239.136363] ? lock_downgrade+0x900/0x900 [ 239.138140] 6318 [ 239.142981] ? trace_hardirqs_off+0xb8/0x300 [ 239.145006] 6318 [ 239.149162] ? trace_hardirqs_off+0xb8/0x300 [ 239.151201] Node 0 [ 239.155610] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.157674] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 239.162078] ? warn_alloc+0x120/0x120 [ 239.164270] lowmem_reserve[]: [ 239.169115] ? warn_alloc+0x120/0x120 [ 239.195988] 0 [ 239.199788] ? print_usage_bug+0xc0/0xc0 [ 239.202861] 0 [ 239.206663] ? warn_alloc+0x120/0x120 [ 239.208448] 3503 [ 239.212498] ? print_usage_bug+0xc0/0xc0 [ 239.214277] 3503 [ 239.218068] ? __lock_acquire+0x7ec/0x4ec0 [ 239.224156] ? __lock_acquire+0x7ec/0x4ec0 [ 239.226193] Node 0 [ 239.230423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.234653] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 239.236862] ? should_fail+0x22d/0xd01 [ 239.242362] lowmem_reserve[]: 0 [ 239.270839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.274698] 0 [ 239.277970] ? __lock_acquire+0x7ec/0x4ec0 [ 239.283038] 0 0 [ 239.284852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.291025] ? __lock_acquire+0x7ec/0x4ec0 [ 239.296107] Node 0 [ 239.300333] ? should_fail+0x22d/0xd01 [ 239.300343] DMA: [ 239.302580] ? mark_held_locks+0x130/0x130 [ 239.306439] 1*4kB [ 239.308495] ? mark_held_locks+0x130/0x130 [ 239.312704] (U) [ 239.314848] ? graph_lock+0x170/0x170 [ 239.319060] 0*8kB [ 239.321028] ? graph_lock+0x170/0x170 [ 239.324805] 0*16kB [ 239.326945] ? graph_lock+0x170/0x170 [ 239.330719] 1*32kB [ 239.332951] ? print_usage_bug+0xc0/0xc0 [ 239.336723] (U) [ 239.339146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.339162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.343202] 2*64kB [ 239.345171] ? check_preemption_disabled+0x48/0x200 [ 239.351196] (U) 1*128kB [ 239.356732] ? check_preemption_disabled+0x48/0x200 [ 239.358936] (U) 1*256kB [ 239.363959] ? __lock_is_held+0xb5/0x140 [ 239.366607] (U) [ 239.371621] __alloc_pages_nodemask+0xa80/0xde0 [ 239.374259] 0*512kB 1*1024kB [ 239.378322] ? graph_lock+0x170/0x170 [ 239.380273] (U) [ 239.384938] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.388016] 1*2048kB [ 239.391813] ? graph_lock+0x170/0x170 [ 239.393771] (M) [ 239.399055] ? find_held_lock+0x36/0x1c0 [ 239.401433] 3*4096kB [ 239.405235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.407177] (M) [ 239.411233] ? lock_downgrade+0x900/0x900 [ 239.413617] = 15908kB [ 239.418284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.420230] Node 0 [ 239.424378] cache_grow_begin+0x91/0x8c0 [ 239.426758] DMA32: [ 239.432292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.434500] 4*4kB [ 239.438563] fallback_alloc+0x203/0x2e0 [ 239.440769] (UM) [ 239.445171] ____cache_alloc_node+0x1c7/0x1e0 [ 239.447290] 2*8kB [ 239.451261] kmem_cache_alloc_node+0xe3/0x730 [ 239.453303] (M) [ 239.457794] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.459912] 1*16kB (M) [ 239.464414] __alloc_skb+0x119/0x770 [ 239.466352] 1*32kB (M) [ 239.470590] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.473148] 3*64kB (UM) [ 239.476864] ? skb_scrub_packet+0x490/0x490 [ 239.479419] 3*128kB [ 239.484692] ? lock_downgrade+0x900/0x900 [ 239.487347] (M) [ 239.491671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.493965] 2*256kB [ 239.498116] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.500061] (M) 3*512kB [ 239.505611] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.507909] (M) [ 239.513443] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.516095] 4*1024kB [ 239.521553] ndisc_alloc_skb+0x144/0x340 [ 239.523491] (UM) [ 239.527893] ndisc_send_rs+0x331/0x6e0 [ 239.530274] 3*2048kB [ 239.534330] addrconf_rs_timer+0x3c0/0x6f0 [ 239.536362] (M) [ 239.540244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.542625] 3*4096kB [ 239.546889] call_timer_fn+0x272/0x920 [ 239.548829] (M) [ 239.553056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.555443] = 25232kB [ 239.559321] ? process_timeout+0x40/0x40 [ 239.561268] Node 0 [ 239.565494] ? find_held_lock+0x36/0x1c0 [ 239.567875] Normal: 1065*4kB [ 239.571942] ? __run_timers+0x7da/0xc70 [ 239.574150] (MEH) [ 239.578204] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.581282] 487*8kB [ 239.585247] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.587369] (ME) [ 239.591858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.594155] 153*16kB [ 239.598642] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.600679] (MEH) [ 239.604907] ? trace_hardirqs_on+0xbd/0x310 [ 239.607294] 77*32kB [ 239.611860] ? kasan_check_read+0x11/0x20 [ 239.611878] ? __run_timers+0x7da/0xc70 [ 239.614002] (UM) [ 239.618317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.620607] 0*64kB 1*128kB [ 239.624760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.628705] (H) [ 239.630764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.636188] 1*256kB (U) [ 239.639130] __run_timers+0x7e5/0xc70 [ 239.643339] 1*512kB [ 239.645318] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.649518] (U) [ 239.652194] ? compat_start_thread+0x80/0x80 [ 239.655973] 0*1024kB [ 239.658299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.663629] 0*2048kB [ 239.665612] ? kasan_check_write+0x14/0x20 [ 239.669988] 0*4096kB = 13964kB [ 239.672404] ? finish_task_switch+0x2f5/0x900 [ 239.677919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.680323] ? __switch_to_asm+0x40/0x70 [ 239.684539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.687722] ? preempt_notifier_register+0x200/0x200 [ 239.692190] 412 total pagecache pages [ 239.701026] ? __switch_to_asm+0x34/0x70 [ 239.705065] 0 pages in swap cache [ 239.713622] ? __switch_to_asm+0x40/0x70 [ 239.713638] ? __switch_to_asm+0x34/0x70 [ 239.718718] Swap cache stats: add 0, delete 0, find 0/0 [ 239.718726] Free swap = 0kB [ 239.722519] ? __switch_to_asm+0x40/0x70 [ 239.726555] Total swap = 0kB [ 239.726563] 1965979 pages RAM [ 239.730001] ? __switch_to_asm+0x34/0x70 [ 239.730017] ? __switch_to_asm+0x40/0x70 [ 239.734047] 0 pages HighMem/MovableOnly [ 239.734055] 343323 pages reserved [ 239.738120] ? pvclock_read_flags+0x160/0x160 [ 239.743450] 0 pages cma reserved [ 239.746463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.750573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.753507] ? check_preemption_disabled+0x48/0x200 [ 239.753541] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 239.753559] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.756704] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.760702] ? rcu_pm_notify+0xc0/0xc0 [ 239.764740] syz-executor0 cpuset= [ 239.768711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.772135] syz0 [ 239.776633] ? check_preemption_disabled+0x48/0x200 [ 239.779973] mems_allowed=0 [ 239.840984] run_timer_softirq+0x52/0xb0 [ 239.845048] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.850070] __do_softirq+0x30b/0xad8 [ 239.853889] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.858993] ? trace_hardirqs_off_caller+0x300/0x300 [ 239.864105] ? trace_hardirqs_on+0x310/0x310 [ 239.868523] ? schedule+0x108/0x460 [ 239.872163] ? __schedule+0x1ed0/0x1ed0 [ 239.876144] ? trace_hardirqs_off+0xb8/0x300 [ 239.880558] ? ___might_sleep+0x1ed/0x300 [ 239.884705] ? smpboot_thread_fn+0x68b/0xa00 [ 239.889126] ? trace_hardirqs_on+0x310/0x310 [ 239.893550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.899098] ? check_preemption_disabled+0x48/0x200 [ 239.904122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.909662] ? takeover_tasklets+0xa90/0xa90 [ 239.914074] run_ksoftirqd+0x94/0x100 [ 239.917881] smpboot_thread_fn+0x68b/0xa00 [ 239.922120] ? sort_range+0x30/0x30 [ 239.925751] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.930854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.936416] ? __kthread_parkme+0xfb/0x1a0 [ 239.940659] kthread+0x35a/0x420 [ 239.944026] ? sort_range+0x30/0x30 [ 239.947655] ? kthread_bind+0x40/0x40 [ 239.951458] ret_from_fork+0x3a/0x50 [ 239.955194] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 239.955278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.962466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.962472] Call Trace: [ 239.962478] [ 239.962495] dump_stack+0x1c4/0x2b4 [ 239.962512] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.969051] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.978784] warn_alloc.cold.118+0xb7/0x1bd [ 239.981334] ksoftirqd/1 cpuset= [ 239.983476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.987076] / [ 239.992281] ? lock_downgrade+0x900/0x900 [ 240.002568] mems_allowed=0 [ 240.006890] ? trace_hardirqs_off+0xb8/0x300 [ 240.028145] ? trace_hardirqs_off+0xb8/0x300 [ 240.032583] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.037466] ? warn_alloc+0x120/0x120 [ 240.041276] ? warn_alloc+0x120/0x120 [ 240.045081] ? print_usage_bug+0xc0/0xc0 [ 240.049142] ? warn_alloc+0x120/0x120 [ 240.052948] ? print_usage_bug+0xc0/0xc0 [ 240.057013] ? __lock_acquire+0x7ec/0x4ec0 [ 240.061250] ? __lock_acquire+0x7ec/0x4ec0 [ 240.065490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.071030] ? should_fail+0x22d/0xd01 [ 240.074921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.080026] ? __lock_acquire+0x7ec/0x4ec0 [ 240.084269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.089370] ? __lock_acquire+0x7ec/0x4ec0 [ 240.093606] ? should_fail+0x22d/0xd01 [ 240.097508] ? mark_held_locks+0x130/0x130 [ 240.101756] ? mark_held_locks+0x130/0x130 [ 240.105994] ? graph_lock+0x170/0x170 [ 240.109792] ? graph_lock+0x170/0x170 [ 240.113604] ? graph_lock+0x170/0x170 [ 240.117409] ? print_usage_bug+0xc0/0xc0 [ 240.121472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.127272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.132809] ? check_preemption_disabled+0x48/0x200 [ 240.137829] ? check_preemption_disabled+0x48/0x200 [ 240.142859] ? __lock_is_held+0xb5/0x140 [ 240.146926] __alloc_pages_nodemask+0xa80/0xde0 [ 240.151602] ? graph_lock+0x170/0x170 [ 240.155411] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.160425] ? graph_lock+0x170/0x170 [ 240.164238] ? find_held_lock+0x36/0x1c0 [ 240.168310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.172980] ? lock_downgrade+0x900/0x900 [ 240.177141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.182687] cache_grow_begin+0x91/0x8c0 [ 240.186755] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.191176] fallback_alloc+0x203/0x2e0 [ 240.195160] ____cache_alloc_node+0x1c7/0x1e0 [ 240.199665] kmem_cache_alloc_node+0xe3/0x730 [ 240.204164] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.208408] __alloc_skb+0x119/0x770 [ 240.212126] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.217407] ? skb_scrub_packet+0x490/0x490 [ 240.221727] ? lock_downgrade+0x900/0x900 [ 240.225882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.231419] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.236873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.242329] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.246751] ndisc_alloc_skb+0x144/0x340 [ 240.250818] ndisc_send_rs+0x331/0x6e0 [ 240.254718] addrconf_rs_timer+0x3c0/0x6f0 [ 240.258963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.263215] call_timer_fn+0x272/0x920 [ 240.267100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.271347] ? process_timeout+0x40/0x40 [ 240.275760] ? find_held_lock+0x36/0x1c0 [ 240.279833] ? __run_timers+0x7da/0xc70 [ 240.283808] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.288302] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.292800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.297037] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.301629] ? trace_hardirqs_on+0xbd/0x310 [ 240.305946] ? kasan_check_read+0x11/0x20 [ 240.310096] ? __run_timers+0x7da/0xc70 [ 240.314073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.319544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.323788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.328030] __run_timers+0x7e5/0xc70 [ 240.331850] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.337219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.342240] ? graph_lock+0x170/0x170 [ 240.346047] ? enqueue_hrtimer+0x1a5/0x560 [ 240.350279] ? lock_release+0x970/0x970 [ 240.354255] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.359451] ? find_held_lock+0x36/0x1c0 [ 240.363519] ? graph_lock+0x170/0x170 [ 240.367332] ? pvclock_read_flags+0x160/0x160 [ 240.371827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.377362] ? check_preemption_disabled+0x48/0x200 [ 240.382389] ? __lock_is_held+0xb5/0x140 [ 240.386451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.391993] ? check_preemption_disabled+0x48/0x200 [ 240.397020] run_timer_softirq+0x52/0xb0 [ 240.401082] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.406104] __do_softirq+0x30b/0xad8 [ 240.409923] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.415056] ? pvclock_read_flags+0x160/0x160 [ 240.419569] ? lapic_next_event+0x5a/0x90 [ 240.423727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.429267] ? check_preemption_disabled+0x48/0x200 [ 240.434935] ? check_preemption_disabled+0x48/0x200 [ 240.439961] ? kvm_clock_read+0x18/0x30 [ 240.443935] ? kvm_sched_clock_read+0x9/0x20 [ 240.448345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.453899] ? check_preemption_disabled+0x48/0x200 [ 240.458933] irq_exit+0x17f/0x1c0 [ 240.462390] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.467231] ? smp_reschedule_interrupt+0x109/0x650 [ 240.472464] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.478351] ? interrupt_entry+0xb5/0xf0 [ 240.482417] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.487430] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.492447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.497296] ? trace_hardirqs_off+0x300/0x300 [ 240.501794] ? trace_hardirqs_off+0x300/0x300 [ 240.506292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.511835] ? check_preemption_disabled+0x48/0x200 [ 240.516852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.522402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.527256] apic_timer_interrupt+0xf/0x20 [ 240.531507] [ 240.533754] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 240.538684] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 240.557593] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 240.565305] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 240.572581] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 240.579856] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 240.587123] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 240.594390] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 240.601706] skb_clone+0x1bb/0x500 [ 240.605245] ? finish_task_switch+0x1b5/0x900 [ 240.609758] ? skb_split+0x11e0/0x11e0 [ 240.613650] ? preempt_notifier_register+0x200/0x200 [ 240.618752] ? __switch_to_asm+0x34/0x70 [ 240.622810] ? __switch_to_asm+0x34/0x70 [ 240.626869] ? __switch_to_asm+0x40/0x70 [ 240.630926] ? __switch_to_asm+0x34/0x70 [ 240.634982] ? __switch_to_asm+0x40/0x70 [ 240.639042] ? __switch_to_asm+0x34/0x70 [ 240.643102] ? __switch_to_asm+0x40/0x70 [ 240.647160] ? __switch_to_asm+0x34/0x70 [ 240.651228] ? __switch_to_asm+0x34/0x70 [ 240.655290] ? __switch_to_asm+0x40/0x70 [ 240.659348] ? __switch_to_asm+0x34/0x70 [ 240.663418] bpf_clone_redirect+0xb9/0x490 [ 240.667660] ? __schedule+0x874/0x1ed0 [ 240.671566] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 240.676599] ? __sched_text_start+0x8/0x8 [ 240.680747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.685516] ? find_held_lock+0x36/0x1c0 [ 240.689598] ? lock_acquire+0x1ed/0x520 [ 240.693574] ? bpf_test_run+0x32e/0x5a0 [ 240.697563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.703108] ? check_preemption_disabled+0x48/0x200 [ 240.708130] ? kasan_check_read+0x11/0x20 [ 240.712281] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.717568] ? rcu_bh_qs+0xc0/0xc0 [ 240.721119] ? preempt_schedule+0x4d/0x60 [ 240.725270] ? ___preempt_schedule+0x16/0x18 [ 240.729688] ? bpf_test_run+0x1c0/0x5a0 [ 240.733677] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.738089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.743627] ? bpf_test_init.isra.9+0x70/0x100 [ 240.748214] ? bpf_prog_test_run_skb+0x634/0xb40 [ 240.752976] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.757818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.763356] ? fput+0x130/0x1a0 [ 240.766638] ? __bpf_prog_get+0x9b/0x290 [ 240.770703] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.775553] ? bpf_prog_test_run+0x130/0x1a0 [ 240.779971] ? __x64_sys_bpf+0x3d8/0x510 [ 240.784034] ? bpf_prog_get+0x20/0x20 [ 240.787845] ? ksys_ioctl+0x81/0xd0 [ 240.791485] ? do_syscall_64+0x1b9/0x820 [ 240.795557] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.800932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.805869] ? trace_hardirqs_off+0x300/0x300 [ 240.810372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.815389] ? recalc_sigpending_tsk+0x180/0x180 [ 240.820143] ? kasan_check_write+0x14/0x20 [ 240.824390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.829249] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.834631] warn_alloc_show_mem: 1 callbacks suppressed [ 240.834643] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 240.834644] Mem-Info: [ 240.834676] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 240.834676] active_file:14 inactive_file:18 isolated_file:1 [ 240.834676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.834676] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 240.834676] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 240.834676] free:13768 free_pcp:583 free_cma:0 [ 240.840018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.846949] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.849351] Call Trace: [ 240.882235] Node 0 [ 240.891775] dump_stack+0x1c4/0x2b4 [ 240.919451] 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 [ 240.922015] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.924230] lowmem_reserve[]: [ 240.928035] warn_alloc.cold.118+0xb7/0x1bd [ 240.953684] 0 2815 [ 240.958897] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.961967] 6318 [ 240.966297] ? lock_downgrade+0x900/0x900 [ 240.968502] 6318 [ 240.973356] ? trace_hardirqs_off+0xb8/0x300 [ 240.975392] Node 0 [ 240.979552] ? trace_hardirqs_off+0xb8/0x300 [ 240.981619] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 240.985998] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.988196] lowmem_reserve[]: 0 [ 240.992633] ? warn_alloc+0x120/0x120 [ 241.019662] 0 [ 241.024529] ? warn_alloc+0x120/0x120 [ 241.027792] 3503 [ 241.031590] ? print_usage_bug+0xc0/0xc0 [ 241.033389] 3503 [ 241.037196] ? warn_alloc+0x120/0x120 [ 241.043287] ? print_usage_bug+0xc0/0xc0 [ 241.045324] Node 0 [ 241.049120] ? __lock_acquire+0x7ec/0x4ec0 [ 241.053184] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 241.055389] ? __lock_acquire+0x7ec/0x4ec0 [ 241.059596] lowmem_reserve[]: 0 [ 241.088075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.092278] 0 [ 241.095563] ? should_fail+0x22d/0xd01 [ 241.101070] 0 [ 241.102877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.106728] 0 [ 241.108546] ? __lock_acquire+0x7ec/0x4ec0 [ 241.113621] Node 0 [ 241.115426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.119631] DMA: [ 241.121866] ? __lock_acquire+0x7ec/0x4ec0 [ 241.126939] 1*4kB [ 241.128996] ? should_fail+0x22d/0xd01 [ 241.133201] (U) [ 241.135351] ? mark_held_locks+0x130/0x130 [ 241.139200] 0*8kB 0*16kB [ 241.141274] ? mark_held_locks+0x130/0x130 [ 241.145491] 1*32kB [ 241.148242] ? graph_lock+0x170/0x170 [ 241.152455] (U) [ 241.154685] ? graph_lock+0x170/0x170 [ 241.158456] 2*64kB (U) [ 241.160477] ? graph_lock+0x170/0x170 [ 241.164258] 1*128kB (U) [ 241.166846] ? print_usage_bug+0xc0/0xc0 [ 241.170621] 1*256kB [ 241.173287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.177316] (U) 0*512kB [ 241.179647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.185157] 1*1024kB [ 241.187821] ? check_preemption_disabled+0x48/0x200 [ 241.193329] (U) [ 241.195730] ? check_preemption_disabled+0x48/0x200 [ 241.200720] 1*2048kB [ 241.202698] ? __lock_is_held+0xb5/0x140 [ 241.207691] (M) [ 241.210106] __alloc_pages_nodemask+0xa80/0xde0 [ 241.214133] 3*4096kB [ 241.216104] ? graph_lock+0x170/0x170 [ 241.220743] (M) [ 241.223146] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.226914] = 15908kB [ 241.226923] Node 0 [ 241.228917] ? graph_lock+0x170/0x170 [ 241.233899] DMA32: 4*4kB [ 241.236318] ? find_held_lock+0x36/0x1c0 [ 241.238522] (UM) [ 241.242331] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.245056] 2*8kB [ 241.249115] ? lock_downgrade+0x900/0x900 [ 241.251146] (M) 1*16kB [ 241.255823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.257941] (M) [ 241.262084] cache_grow_begin+0x91/0x8c0 [ 241.264640] 1*32kB [ 241.270167] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.272112] (M) 3*64kB [ 241.276176] fallback_alloc+0x203/0x2e0 [ 241.278381] (UM) [ 241.282789] ____cache_alloc_node+0x1c7/0x1e0 [ 241.285340] 3*128kB (M) [ 241.289320] kmem_cache_alloc_node+0xe3/0x730 [ 241.291348] 2*256kB (M) [ 241.295845] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.298487] 3*512kB [ 241.302982] __alloc_skb+0x119/0x770 [ 241.305616] (M) [ 241.309845] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.312141] 4*1024kB [ 241.315843] ? skb_scrub_packet+0x490/0x490 [ 241.317793] (UM) 3*2048kB [ 241.323071] ? lock_downgrade+0x900/0x900 [ 241.325449] (M) 3*4096kB [ 241.329776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.332581] (M) = 25232kB [ 241.336737] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.339920] Node 0 [ 241.345455] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.348182] Normal: [ 241.353627] ? addrconf_rs_timer+0x6f0/0x6f0 [ 241.355836] 1065*4kB [ 241.361287] ndisc_alloc_skb+0x144/0x340 [ 241.363577] (MEH) [ 241.367983] ndisc_send_rs+0x331/0x6e0 [ 241.370362] 487*8kB (ME) [ 241.374429] addrconf_rs_timer+0x3c0/0x6f0 [ 241.376556] 153*16kB [ 241.380434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.383159] (MEH) 77*32kB [ 241.387406] call_timer_fn+0x272/0x920 [ 241.389772] (UM) 0*64kB [ 241.394005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.396833] 1*128kB [ 241.400715] ? process_timeout+0x40/0x40 [ 241.403355] (H) 1*256kB [ 241.407594] ? find_held_lock+0x36/0x1c0 [ 241.409890] (U) 1*512kB [ 241.413962] ? __run_timers+0x7da/0xc70 [ 241.416597] (U) 0*1024kB [ 241.420661] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.423298] 0*2048kB 0*4096kB [ 241.427273] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.430001] = 13964kB [ 241.430016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.434498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.437668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 241.442153] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.444542] 412 total pagecache pages [ 241.453461] ? trace_hardirqs_on+0xbd/0x310 [ 241.457707] 0 pages in swap cache [ 241.466273] ? kasan_check_read+0x11/0x20 [ 241.470827] Swap cache stats: add 0, delete 0, find 0/0 [ 241.470836] Free swap = 0kB [ 241.474634] ? __run_timers+0x7da/0xc70 [ 241.478922] Total swap = 0kB [ 241.478930] 1965979 pages RAM [ 241.482381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.486506] 0 pages HighMem/MovableOnly [ 241.491865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.494850] 343323 pages reserved [ 241.494858] 0 pages cma reserved [ 241.498828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.501893] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.504921] __run_timers+0x7e5/0xc70 [ 241.504949] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.504969] ? compat_start_thread+0x80/0x80 [ 241.510457] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.514367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.518665] syz-executor0 cpuset= [ 241.522117] ? kasan_check_write+0x14/0x20 [ 241.525500] syz0 [ 241.529754] ? finish_task_switch+0x2f5/0x900 [ 241.536223] mems_allowed=0 [ 241.540014] ? __switch_to_asm+0x40/0x70 [ 241.586900] ? preempt_notifier_register+0x200/0x200 [ 241.592009] ? __switch_to_asm+0x34/0x70 [ 241.596070] ? __switch_to_asm+0x40/0x70 [ 241.600132] ? __switch_to_asm+0x34/0x70 [ 241.604192] ? __switch_to_asm+0x40/0x70 [ 241.608253] ? __switch_to_asm+0x34/0x70 [ 241.612310] ? __switch_to_asm+0x40/0x70 [ 241.616385] ? pvclock_read_flags+0x160/0x160 [ 241.620881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.626418] ? check_preemption_disabled+0x48/0x200 [ 241.631442] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 241.636979] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.642260] ? rcu_pm_notify+0xc0/0xc0 [ 241.646149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.651863] ? check_preemption_disabled+0x48/0x200 [ 241.656903] run_timer_softirq+0x52/0xb0 [ 241.660969] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.665988] __do_softirq+0x30b/0xad8 [ 241.669801] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.674906] ? trace_hardirqs_off_caller+0x300/0x300 [ 241.680008] ? trace_hardirqs_on+0x310/0x310 [ 241.684425] ? schedule+0x108/0x460 [ 241.688058] ? __schedule+0x1ed0/0x1ed0 [ 241.692040] ? trace_hardirqs_off+0xb8/0x300 [ 241.696452] ? ___might_sleep+0x1ed/0x300 [ 241.700599] ? smpboot_thread_fn+0x68b/0xa00 [ 241.705007] ? trace_hardirqs_on+0x310/0x310 [ 241.709418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.714956] ? check_preemption_disabled+0x48/0x200 [ 241.719971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.725513] ? takeover_tasklets+0xa90/0xa90 [ 241.729933] run_ksoftirqd+0x94/0x100 [ 241.733732] smpboot_thread_fn+0x68b/0xa00 [ 241.737970] ? sort_range+0x30/0x30 [ 241.741598] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.746702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.752242] ? __kthread_parkme+0xfb/0x1a0 [ 241.756482] kthread+0x35a/0x420 [ 241.759845] ? sort_range+0x30/0x30 [ 241.763472] ? kthread_bind+0x40/0x40 [ 241.767276] ret_from_fork+0x3a/0x50 [ 241.771012] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 241.771119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.778280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.778286] Call Trace: [ 241.778292] [ 241.778310] dump_stack+0x1c4/0x2b4 [ 241.778329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.784911] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.794177] warn_alloc.cold.118+0xb7/0x1bd [ 241.796733] ksoftirqd/1 cpuset= [ 241.798879] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.802480] / [ 241.807670] ? lock_downgrade+0x900/0x900 [ 241.817958] mems_allowed=0 [ 241.822274] ? trace_hardirqs_off+0xb8/0x300 [ 241.843701] ? trace_hardirqs_off+0xb8/0x300 [ 241.848126] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.853004] ? warn_alloc+0x120/0x120 [ 241.856811] ? warn_alloc+0x120/0x120 [ 241.860619] ? print_usage_bug+0xc0/0xc0 [ 241.864681] ? warn_alloc+0x120/0x120 [ 241.868483] ? print_usage_bug+0xc0/0xc0 [ 241.872556] ? __lock_acquire+0x7ec/0x4ec0 [ 241.876797] ? __lock_acquire+0x7ec/0x4ec0 [ 241.881038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.886581] ? should_fail+0x22d/0xd01 [ 241.890482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.895595] ? __lock_acquire+0x7ec/0x4ec0 [ 241.899837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.904945] ? __lock_acquire+0x7ec/0x4ec0 [ 241.909178] ? should_fail+0x22d/0xd01 [ 241.913077] ? mark_held_locks+0x130/0x130 [ 241.917314] ? mark_held_locks+0x130/0x130 [ 241.923199] ? graph_lock+0x170/0x170 [ 241.927001] ? graph_lock+0x170/0x170 [ 241.930810] ? graph_lock+0x170/0x170 [ 241.934612] ? print_usage_bug+0xc0/0xc0 [ 241.938673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.944209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.949748] ? check_preemption_disabled+0x48/0x200 [ 241.954764] ? check_preemption_disabled+0x48/0x200 [ 241.959790] ? __lock_is_held+0xb5/0x140 [ 241.963857] __alloc_pages_nodemask+0xa80/0xde0 [ 241.968527] ? graph_lock+0x170/0x170 [ 241.972344] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.977372] ? graph_lock+0x170/0x170 [ 241.981186] ? find_held_lock+0x36/0x1c0 [ 241.985259] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.989928] ? lock_downgrade+0x900/0x900 [ 241.994087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.999631] cache_grow_begin+0x91/0x8c0 [ 242.003697] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.008116] fallback_alloc+0x203/0x2e0 [ 242.012097] ____cache_alloc_node+0x1c7/0x1e0 [ 242.016607] kmem_cache_alloc_node+0xe3/0x730 [ 242.021103] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.025349] __alloc_skb+0x119/0x770 [ 242.029063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.034343] ? skb_scrub_packet+0x490/0x490 [ 242.038666] ? lock_downgrade+0x900/0x900 [ 242.042821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.048363] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.053816] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.059271] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.063694] ndisc_alloc_skb+0x144/0x340 [ 242.067760] ndisc_send_rs+0x331/0x6e0 [ 242.071653] addrconf_rs_timer+0x3c0/0x6f0 [ 242.075898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.080145] call_timer_fn+0x272/0x920 [ 242.084030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.088269] ? process_timeout+0x40/0x40 [ 242.092329] ? find_held_lock+0x36/0x1c0 [ 242.096403] ? __run_timers+0x7da/0xc70 [ 242.100382] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.104874] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.109373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.113612] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.118195] ? trace_hardirqs_on+0xbd/0x310 [ 242.122510] ? kasan_check_read+0x11/0x20 [ 242.126667] ? __run_timers+0x7da/0xc70 [ 242.130644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.136102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.140347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.144584] __run_timers+0x7e5/0xc70 [ 242.148407] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.153800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.158817] ? graph_lock+0x170/0x170 [ 242.162634] ? enqueue_hrtimer+0x1a5/0x560 [ 242.166865] ? lock_release+0x970/0x970 [ 242.170851] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.176053] ? find_held_lock+0x36/0x1c0 [ 242.180121] ? graph_lock+0x170/0x170 [ 242.183927] ? pvclock_read_flags+0x160/0x160 [ 242.188432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.193973] ? check_preemption_disabled+0x48/0x200 [ 242.199005] ? __lock_is_held+0xb5/0x140 [ 242.203068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.208619] ? check_preemption_disabled+0x48/0x200 [ 242.213649] run_timer_softirq+0x52/0xb0 [ 242.217710] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.222730] __do_softirq+0x30b/0xad8 [ 242.226550] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.231659] ? pvclock_read_flags+0x160/0x160 [ 242.236157] ? lapic_next_event+0x5a/0x90 [ 242.240310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.245845] ? check_preemption_disabled+0x48/0x200 [ 242.250855] ? check_preemption_disabled+0x48/0x200 [ 242.255875] ? kvm_clock_read+0x18/0x30 [ 242.259846] ? kvm_sched_clock_read+0x9/0x20 [ 242.264254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.269790] ? check_preemption_disabled+0x48/0x200 [ 242.274819] irq_exit+0x17f/0x1c0 [ 242.278280] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.283123] ? smp_reschedule_interrupt+0x109/0x650 [ 242.288146] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.294031] ? interrupt_entry+0xb5/0xf0 [ 242.298095] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.303108] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.308128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.313056] ? trace_hardirqs_off+0x300/0x300 [ 242.317555] ? trace_hardirqs_off+0x300/0x300 [ 242.322056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.327597] ? check_preemption_disabled+0x48/0x200 [ 242.332615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.338159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.343009] apic_timer_interrupt+0xf/0x20 [ 242.347237] [ 242.349477] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.354405] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 242.373302] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.381014] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.388280] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 242.395551] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 242.402831] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.410094] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 242.417411] skb_clone+0x1bb/0x500 [ 242.421576] ? finish_task_switch+0x1b5/0x900 [ 242.426080] ? skb_split+0x11e0/0x11e0 [ 242.429972] ? preempt_notifier_register+0x200/0x200 [ 242.435073] ? __switch_to_asm+0x34/0x70 [ 242.439136] ? __switch_to_asm+0x34/0x70 [ 242.443209] ? __switch_to_asm+0x40/0x70 [ 242.447294] ? __switch_to_asm+0x34/0x70 [ 242.451357] ? __switch_to_asm+0x40/0x70 [ 242.455418] ? __switch_to_asm+0x34/0x70 [ 242.459475] ? __switch_to_asm+0x40/0x70 [ 242.463541] ? __switch_to_asm+0x34/0x70 [ 242.467621] ? __switch_to_asm+0x34/0x70 [ 242.471827] ? __switch_to_asm+0x40/0x70 [ 242.475884] ? __switch_to_asm+0x34/0x70 [ 242.479955] bpf_clone_redirect+0xb9/0x490 [ 242.484192] ? __schedule+0x874/0x1ed0 [ 242.488083] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 242.493104] ? __sched_text_start+0x8/0x8 [ 242.497256] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.502024] ? find_held_lock+0x36/0x1c0 [ 242.506091] ? lock_acquire+0x1ed/0x520 [ 242.510067] ? bpf_test_run+0x32e/0x5a0 [ 242.514044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.519585] ? check_preemption_disabled+0x48/0x200 [ 242.524617] ? kasan_check_read+0x11/0x20 [ 242.528769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.534048] ? rcu_bh_qs+0xc0/0xc0 [ 242.537603] ? preempt_schedule+0x4d/0x60 [ 242.541753] ? ___preempt_schedule+0x16/0x18 [ 242.546178] ? bpf_test_run+0x1c0/0x5a0 [ 242.550164] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.554577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.560123] ? bpf_test_init.isra.9+0x70/0x100 [ 242.564710] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.569498] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.574357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.579978] ? fput+0x130/0x1a0 [ 242.583262] ? __bpf_prog_get+0x9b/0x290 [ 242.587327] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.592169] ? bpf_prog_test_run+0x130/0x1a0 [ 242.596580] ? __x64_sys_bpf+0x3d8/0x510 [ 242.600646] ? bpf_prog_get+0x20/0x20 [ 242.604458] ? ksys_ioctl+0x81/0xd0 [ 242.608096] ? do_syscall_64+0x1b9/0x820 [ 242.612161] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.617527] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.622467] ? trace_hardirqs_off+0x300/0x300 [ 242.626963] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.631977] ? recalc_sigpending_tsk+0x180/0x180 [ 242.636733] ? kasan_check_write+0x14/0x20 [ 242.640977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.645828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.651209] warn_alloc_show_mem: 1 callbacks suppressed [ 242.651220] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 242.651222] Mem-Info: [ 242.651254] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 242.651254] active_file:14 inactive_file:18 isolated_file:1 [ 242.651254] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.651254] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 242.651254] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 242.651254] free:13768 free_pcp:583 free_cma:0 [ 242.656586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.656601] Call Trace: [ 242.663448] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.665852] dump_stack+0x1c4/0x2b4 [ 242.698713] Node 0 [ 242.708070] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.710645] 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 [ 242.738302] warn_alloc.cold.118+0xb7/0x1bd [ 242.741893] lowmem_reserve[]: [ 242.744129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.749296] 0 [ 242.774792] ? lock_downgrade+0x900/0x900 [ 242.779089] 2815 [ 242.782195] ? trace_hardirqs_off+0xb8/0x300 [ 242.787005] 6318 [ 242.788807] ? trace_hardirqs_off+0xb8/0x300 [ 242.792924] 6318 [ 242.794989] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.801450] ? warn_alloc+0x120/0x120 [ 242.805809] Node 0 [ 242.807870] ? warn_alloc+0x120/0x120 [ 242.812711] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 242.816480] ? print_usage_bug+0xc0/0xc0 [ 242.818688] lowmem_reserve[]: [ 242.822483] ? warn_alloc+0x120/0x120 [ 242.849344] 0 0 [ 242.853429] ? print_usage_bug+0xc0/0xc0 [ 242.856507] 3503 [ 242.860302] ? __lock_acquire+0x7ec/0x4ec0 [ 242.862256] 3503 [ 242.866310] ? __lock_acquire+0x7ec/0x4ec0 [ 242.872614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.874652] Node 0 [ 242.878896] ? should_fail+0x22d/0xd01 [ 242.884431] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 242.886637] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.890490] lowmem_reserve[]: 0 [ 242.918950] ? __lock_acquire+0x7ec/0x4ec0 [ 242.924025] 0 [ 242.927304] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.931506] 0 0 [ 242.933316] ? __lock_acquire+0x7ec/0x4ec0 [ 242.940370] ? should_fail+0x22d/0xd01 [ 242.944580] Node 0 [ 242.948454] ? print_usage_bug+0xc0/0xc0 [ 242.948464] DMA: [ 242.950701] ? mark_held_locks+0x130/0x130 [ 242.954737] 1*4kB [ 242.956796] ? mark_held_locks+0x130/0x130 [ 242.961000] (U) [ 242.963174] ? graph_lock+0x170/0x170 [ 242.967383] 0*8kB [ 242.969354] ? print_usage_bug+0xc0/0xc0 [ 242.973126] 0*16kB 1*32kB [ 242.975282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.979316] (U) [ 242.982154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.986885] 2*64kB [ 242.988852] ? check_preemption_disabled+0x48/0x200 [ 242.994356] (U) 1*128kB [ 242.996594] ? check_preemption_disabled+0x48/0x200 [ 243.001594] (U) [ 243.004263] ? __lock_is_held+0xb5/0x140 [ 243.009251] 1*256kB [ 243.011227] __alloc_pages_nodemask+0xa80/0xde0 [ 243.015258] (U) [ 243.017574] ? graph_lock+0x170/0x170 [ 243.022218] 0*512kB [ 243.024187] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.027963] 1*1024kB [ 243.030276] ? graph_lock+0x170/0x170 [ 243.035267] (U) [ 243.037678] ? find_held_lock+0x36/0x1c0 [ 243.041447] 1*2048kB [ 243.043424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.047456] (M) [ 243.049861] ? lock_downgrade+0x900/0x900 [ 243.054507] 3*4096kB [ 243.056482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.060602] (M) [ 243.063010] cache_grow_begin+0x91/0x8c0 [ 243.068511] = 15908kB [ 243.068519] Node 0 [ 243.070496] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.074553] DMA32: [ 243.076963] fallback_alloc+0x203/0x2e0 [ 243.079171] 4*4kB [ 243.083576] ____cache_alloc_node+0x1c7/0x1e0 [ 243.085787] (UM) [ 243.089761] kmem_cache_alloc_node+0xe3/0x730 [ 243.091883] 2*8kB [ 243.096376] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.098408] (M) [ 243.102905] __alloc_skb+0x119/0x770 [ 243.105024] 1*16kB [ 243.109258] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.111205] (M) [ 243.114910] ? skb_scrub_packet+0x490/0x490 [ 243.117123] 1*32kB [ 243.122393] ? lock_downgrade+0x900/0x900 [ 243.124346] (M) [ 243.128664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.130871] 3*64kB [ 243.135012] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.136962] (UM) [ 243.142489] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.144706] 3*128kB [ 243.150148] ? addrconf_rs_timer+0x6f0/0x6f0 [ 243.152182] (M) [ 243.157636] ndisc_alloc_skb+0x144/0x340 [ 243.159925] 2*256kB [ 243.164324] ndisc_send_rs+0x331/0x6e0 [ 243.166271] (M) [ 243.170328] addrconf_rs_timer+0x3c0/0x6f0 [ 243.172624] 3*512kB [ 243.176508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.178455] (M) [ 243.182697] call_timer_fn+0x272/0x920 [ 243.184983] 4*1024kB (UM) [ 243.189220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.191170] 3*2048kB [ 243.195050] ? process_timeout+0x40/0x40 [ 243.197866] (M) [ 243.202103] ? find_held_lock+0x36/0x1c0 [ 243.204483] 3*4096kB [ 243.208554] ? __run_timers+0x7da/0xc70 [ 243.210496] (M) [ 243.214558] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.216944] = 25232kB [ 243.220912] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.222865] Node 0 [ 243.227353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.229736] Normal: [ 243.234225] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.236439] 1065*4kB [ 243.240667] ? trace_hardirqs_on+0xbd/0x310 [ 243.242964] (MEH) [ 243.247546] ? kasan_check_read+0x11/0x20 [ 243.249933] 487*8kB [ 243.254245] ? __run_timers+0x7da/0xc70 [ 243.256371] (ME) [ 243.260513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.262811] 153*16kB [ 243.266781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.268817] (MEH) [ 243.274265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.276650] 77*32kB [ 243.280877] __run_timers+0x7e5/0xc70 [ 243.283000] (UM) [ 243.287238] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.289528] 0*64kB [ 243.293326] ? compat_start_thread+0x80/0x80 [ 243.295365] 1*128kB [ 243.300724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.302934] (H) [ 243.307337] ? kasan_check_write+0x14/0x20 [ 243.309636] 1*256kB [ 243.315168] ? finish_task_switch+0x2f5/0x900 [ 243.317115] (U) [ 243.321344] ? __switch_to_asm+0x40/0x70 [ 243.323640] 1*512kB (U) [ 243.328137] ? preempt_notifier_register+0x200/0x200 [ 243.330091] 0*1024kB [ 243.334151] ? __switch_to_asm+0x34/0x70 [ 243.336802] 0*2048kB [ 243.342070] ? __switch_to_asm+0x40/0x70 [ 243.344465] 0*4096kB [ 243.348516] ? __switch_to_asm+0x34/0x70 [ 243.350923] = 13964kB [ 243.354975] ? __switch_to_asm+0x40/0x70 [ 243.357368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.361416] ? __switch_to_asm+0x34/0x70 [ 243.363808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.367854] ? __switch_to_asm+0x40/0x70 [ 243.376665] 412 total pagecache pages [ 243.380725] ? pvclock_read_flags+0x160/0x160 [ 243.389273] 0 pages in swap cache [ 243.393323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.397106] Swap cache stats: add 0, delete 0, find 0/0 [ 243.401590] ? check_preemption_disabled+0x48/0x200 [ 243.405022] Free swap = 0kB [ 243.410565] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 243.415890] Total swap = 0kB [ 243.415898] 1965979 pages RAM [ 243.420911] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.423905] 0 pages HighMem/MovableOnly [ 243.429430] ? rcu_pm_notify+0xc0/0xc0 [ 243.432418] 343323 pages reserved [ 243.432426] 0 pages cma reserved [ 243.435531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.440873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.444744] ? check_preemption_disabled+0x48/0x200 [ 243.444768] run_timer_softirq+0x52/0xb0 [ 243.444785] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.448713] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.452108] __do_softirq+0x30b/0xad8 [ 243.455489] syz-executor0 cpuset= [ 243.461030] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.467508] syz0 [ 243.472519] ? trace_hardirqs_off_caller+0x300/0x300 [ 243.476562] mems_allowed=0 [ 243.481569] ? trace_hardirqs_on+0x310/0x310 [ 243.518724] ? schedule+0x108/0x460 [ 243.522361] ? __schedule+0x1ed0/0x1ed0 [ 243.526344] ? trace_hardirqs_off+0xb8/0x300 [ 243.530755] ? ___might_sleep+0x1ed/0x300 [ 243.534900] ? smpboot_thread_fn+0x68b/0xa00 [ 243.539307] ? trace_hardirqs_on+0x310/0x310 [ 243.543721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.549261] ? check_preemption_disabled+0x48/0x200 [ 243.554282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.559823] ? takeover_tasklets+0xa90/0xa90 [ 243.564238] run_ksoftirqd+0x94/0x100 [ 243.568039] smpboot_thread_fn+0x68b/0xa00 [ 243.572277] ? sort_range+0x30/0x30 [ 243.575906] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.581014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.586559] ? __kthread_parkme+0xfb/0x1a0 [ 243.590799] kthread+0x35a/0x420 [ 243.594168] ? sort_range+0x30/0x30 [ 243.597792] ? kthread_bind+0x40/0x40 [ 243.601599] ret_from_fork+0x3a/0x50 [ 243.605334] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 243.605414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.612612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.612618] Call Trace: [ 243.612624] [ 243.612642] dump_stack+0x1c4/0x2b4 [ 243.612659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.619186] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.628489] warn_alloc.cold.118+0xb7/0x1bd [ 243.631038] ksoftirqd/1 cpuset= [ 243.633182] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.636784] / [ 243.641969] ? lock_downgrade+0x900/0x900 [ 243.652265] mems_allowed=0 [ 243.656613] ? trace_hardirqs_off+0xb8/0x300 [ 243.677847] ? trace_hardirqs_off+0xb8/0x300 [ 243.682270] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.687169] ? warn_alloc+0x120/0x120 [ 243.691006] ? warn_alloc+0x120/0x120 [ 243.694812] ? print_usage_bug+0xc0/0xc0 [ 243.698872] ? warn_alloc+0x120/0x120 [ 243.702675] ? print_usage_bug+0xc0/0xc0 [ 243.706739] ? __lock_acquire+0x7ec/0x4ec0 [ 243.710971] ? __lock_acquire+0x7ec/0x4ec0 [ 243.715213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.720752] ? should_fail+0x22d/0xd01 [ 243.724648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.729756] ? __lock_acquire+0x7ec/0x4ec0 [ 243.734000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.739104] ? __lock_acquire+0x7ec/0x4ec0 [ 243.743342] ? should_fail+0x22d/0xd01 [ 243.747239] ? mark_held_locks+0x130/0x130 [ 243.751482] ? mark_held_locks+0x130/0x130 [ 243.755718] ? graph_lock+0x170/0x170 [ 243.759518] ? graph_lock+0x170/0x170 [ 243.763347] ? graph_lock+0x170/0x170 [ 243.767147] ? print_usage_bug+0xc0/0xc0 [ 243.771212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.776748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.782285] ? check_preemption_disabled+0x48/0x200 [ 243.787299] ? check_preemption_disabled+0x48/0x200 [ 243.792326] ? __lock_is_held+0xb5/0x140 [ 243.796393] __alloc_pages_nodemask+0xa80/0xde0 [ 243.801062] ? graph_lock+0x170/0x170 [ 243.804869] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.809885] ? graph_lock+0x170/0x170 [ 243.813696] ? find_held_lock+0x36/0x1c0 [ 243.817770] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.822439] ? lock_downgrade+0x900/0x900 [ 243.826599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.832146] cache_grow_begin+0x91/0x8c0 [ 243.836208] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.840631] fallback_alloc+0x203/0x2e0 [ 243.844619] ____cache_alloc_node+0x1c7/0x1e0 [ 243.849121] kmem_cache_alloc_node+0xe3/0x730 [ 243.853622] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.857869] __alloc_skb+0x119/0x770 [ 243.861587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.866873] ? skb_scrub_packet+0x490/0x490 [ 243.871193] ? lock_downgrade+0x900/0x900 [ 243.875352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.880891] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.886345] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.891797] ? addrconf_rs_timer+0x6f0/0x6f0 [ 243.896218] ndisc_alloc_skb+0x144/0x340 [ 243.901330] ndisc_send_rs+0x331/0x6e0 [ 243.905225] addrconf_rs_timer+0x3c0/0x6f0 [ 243.909471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.913721] call_timer_fn+0x272/0x920 [ 243.917612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.921854] ? process_timeout+0x40/0x40 [ 243.925918] ? find_held_lock+0x36/0x1c0 [ 243.929987] ? __run_timers+0x7da/0xc70 [ 243.934143] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.938636] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.943132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.947369] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.951959] ? trace_hardirqs_on+0xbd/0x310 [ 243.956281] ? kasan_check_read+0x11/0x20 [ 243.960433] ? __run_timers+0x7da/0xc70 [ 243.964406] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.969868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.974110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.978349] __run_timers+0x7e5/0xc70 [ 243.982163] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.987531] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.992569] ? graph_lock+0x170/0x170 [ 243.996379] ? enqueue_hrtimer+0x1a5/0x560 [ 244.000615] ? lock_release+0x970/0x970 [ 244.004599] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.009795] ? find_held_lock+0x36/0x1c0 [ 244.013864] ? graph_lock+0x170/0x170 [ 244.017669] ? pvclock_read_flags+0x160/0x160 [ 244.022166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.027707] ? check_preemption_disabled+0x48/0x200 [ 244.032735] ? __lock_is_held+0xb5/0x140 [ 244.036800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.042340] ? check_preemption_disabled+0x48/0x200 [ 244.047364] run_timer_softirq+0x52/0xb0 [ 244.051429] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.056458] __do_softirq+0x30b/0xad8 [ 244.060272] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.065381] ? pvclock_read_flags+0x160/0x160 [ 244.069878] ? lapic_next_event+0x5a/0x90 [ 244.074027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.079573] ? check_preemption_disabled+0x48/0x200 [ 244.084600] ? check_preemption_disabled+0x48/0x200 [ 244.089628] ? kvm_clock_read+0x18/0x30 [ 244.093608] ? kvm_sched_clock_read+0x9/0x20 [ 244.098019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.103560] ? check_preemption_disabled+0x48/0x200 [ 244.108600] irq_exit+0x17f/0x1c0 [ 244.112060] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.116909] ? smp_reschedule_interrupt+0x109/0x650 [ 244.121933] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.127818] ? interrupt_entry+0xb5/0xf0 [ 244.131881] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.136893] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.141912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.146758] ? trace_hardirqs_off+0x300/0x300 [ 244.151257] ? trace_hardirqs_off+0x300/0x300 [ 244.155752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.161291] ? check_preemption_disabled+0x48/0x200 [ 244.166305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.171853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.176740] apic_timer_interrupt+0xf/0x20 [ 244.180968] [ 244.183211] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.188140] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 244.207044] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 244.214756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.222022] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 244.229288] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 244.236559] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.243828] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 244.251146] skb_clone+0x1bb/0x500 [ 244.254690] ? finish_task_switch+0x1b5/0x900 [ 244.259189] ? skb_split+0x11e0/0x11e0 [ 244.263081] ? preempt_notifier_register+0x200/0x200 [ 244.268183] ? __switch_to_asm+0x34/0x70 [ 244.272247] ? __switch_to_asm+0x34/0x70 [ 244.276303] ? __switch_to_asm+0x40/0x70 [ 244.280359] ? __switch_to_asm+0x34/0x70 [ 244.284418] ? __switch_to_asm+0x40/0x70 [ 244.288479] ? __switch_to_asm+0x34/0x70 [ 244.292545] ? __switch_to_asm+0x40/0x70 [ 244.296611] ? __switch_to_asm+0x34/0x70 [ 244.300677] ? __switch_to_asm+0x34/0x70 [ 244.304736] ? __switch_to_asm+0x40/0x70 [ 244.308793] ? __switch_to_asm+0x34/0x70 [ 244.312862] bpf_clone_redirect+0xb9/0x490 [ 244.317099] ? __schedule+0x874/0x1ed0 [ 244.320998] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 244.326017] ? __sched_text_start+0x8/0x8 [ 244.330168] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.334937] ? find_held_lock+0x36/0x1c0 [ 244.339003] ? lock_acquire+0x1ed/0x520 [ 244.342975] ? bpf_test_run+0x32e/0x5a0 [ 244.346951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.352489] ? check_preemption_disabled+0x48/0x200 [ 244.357509] ? kasan_check_read+0x11/0x20 [ 244.361667] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.366947] ? rcu_bh_qs+0xc0/0xc0 [ 244.370489] ? preempt_schedule+0x4d/0x60 [ 244.374640] ? ___preempt_schedule+0x16/0x18 [ 244.379060] ? bpf_test_run+0x1c0/0x5a0 [ 244.383046] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.387461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.393001] ? bpf_test_init.isra.9+0x70/0x100 [ 244.397596] ? bpf_prog_test_run_skb+0x634/0xb40 [ 244.402359] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.407204] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.412742] ? fput+0x130/0x1a0 [ 244.416024] ? __bpf_prog_get+0x9b/0x290 [ 244.420093] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.424939] ? bpf_prog_test_run+0x130/0x1a0 [ 244.429355] ? __x64_sys_bpf+0x3d8/0x510 [ 244.433417] ? bpf_prog_get+0x20/0x20 [ 244.437228] ? ksys_ioctl+0x81/0xd0 [ 244.440870] ? do_syscall_64+0x1b9/0x820 [ 244.444932] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.450298] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.455232] ? trace_hardirqs_off+0x300/0x300 [ 244.459728] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.464744] ? recalc_sigpending_tsk+0x180/0x180 [ 244.469502] ? kasan_check_write+0x14/0x20 [ 244.473937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.478791] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.484178] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 244.484183] warn_alloc_show_mem: 1 callbacks suppressed [ 244.484190] Mem-Info: [ 244.491025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.496394] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 244.496394] active_file:14 inactive_file:18 isolated_file:1 [ 244.496394] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.496394] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 244.496394] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 244.496394] free:13768 free_pcp:583 free_cma:0 [ 244.498766] Call Trace: [ 244.508156] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.541026] dump_stack+0x1c4/0x2b4 [ 244.543608] Node 0 [ 244.571289] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.574912] 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 [ 244.577131] warn_alloc.cold.118+0xb7/0x1bd [ 244.582286] lowmem_reserve[]: [ 244.607800] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.612098] 0 [ 244.615198] ? lock_downgrade+0x900/0x900 [ 244.620015] 2815 6318 [ 244.621831] ? trace_hardirqs_off+0xb8/0x300 [ 244.625949] 6318 [ 244.628446] ? trace_hardirqs_off+0xb8/0x300 [ 244.632825] Node 0 [ 244.634887] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.639291] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 244.641529] ? warn_alloc+0x120/0x120 [ 244.646316] lowmem_reserve[]: [ 244.673225] ? warn_alloc+0x120/0x120 [ 244.676998] 0 [ 244.680104] ? print_usage_bug+0xc0/0xc0 [ 244.683874] 0 [ 244.685675] ? warn_alloc+0x120/0x120 [ 244.689711] 3503 [ 244.691508] ? print_usage_bug+0xc0/0xc0 [ 244.695280] 3503 [ 244.697343] ? __lock_acquire+0x7ec/0x4ec0 [ 244.701381] Node 0 [ 244.703440] ? __lock_acquire+0x7ec/0x4ec0 [ 244.707678] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 244.709900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.714103] lowmem_reserve[]: 0 [ 244.742584] ? should_fail+0x22d/0xd01 [ 244.748103] 0 [ 244.751379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.755230] 0 0 [ 244.757040] ? __lock_acquire+0x7ec/0x4ec0 [ 244.764086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.768292] Node 0 [ 244.773388] ? __lock_acquire+0x7ec/0x4ec0 [ 244.773398] DMA: [ 244.775631] ? should_fail+0x22d/0xd01 [ 244.779841] 1*4kB [ 244.781941] ? mark_held_locks+0x130/0x130 [ 244.785795] (U) [ 244.787942] ? mark_held_locks+0x130/0x130 [ 244.792148] 0*8kB 0*16kB [ 244.794124] ? graph_lock+0x170/0x170 [ 244.798328] 1*32kB (U) [ 244.801088] ? graph_lock+0x170/0x170 [ 244.804865] 2*64kB [ 244.807444] ? graph_lock+0x170/0x170 [ 244.811218] (U) [ 244.813449] ? print_usage_bug+0xc0/0xc0 [ 244.817225] 1*128kB [ 244.819198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.823223] (U) 1*256kB [ 244.825558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.831062] (U) 0*512kB [ 244.833741] ? check_preemption_disabled+0x48/0x200 [ 244.839246] 1*1024kB (U) [ 244.841920] ? check_preemption_disabled+0x48/0x200 [ 244.846903] 1*2048kB (M) [ 244.849673] ? __lock_is_held+0xb5/0x140 [ 244.854654] 3*4096kB [ 244.857412] __alloc_pages_nodemask+0xa80/0xde0 [ 244.861441] (M) [ 244.863849] ? graph_lock+0x170/0x170 [ 244.868494] = 15908kB [ 244.870483] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.874253] Node 0 [ 244.876675] ? graph_lock+0x170/0x170 [ 244.881677] DMA32: [ 244.883918] ? find_held_lock+0x36/0x1c0 [ 244.887686] 4*4kB [ 244.889926] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.893951] (UM) [ 244.896104] ? lock_downgrade+0x900/0x900 [ 244.900742] 2*8kB [ 244.902811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.906929] (M) [ 244.909077] cache_grow_begin+0x91/0x8c0 [ 244.914581] 1*16kB (M) [ 244.916573] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.920614] 1*32kB [ 244.923195] fallback_alloc+0x203/0x2e0 [ 244.927573] (M) [ 244.929808] ____cache_alloc_node+0x1c7/0x1e0 [ 244.933764] 3*64kB (UM) [ 244.935750] kmem_cache_alloc_node+0xe3/0x730 [ 244.940220] 3*128kB [ 244.942889] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.947356] (M) [ 244.949681] __alloc_skb+0x119/0x770 [ 244.953901] 2*256kB [ 244.955875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.959563] (M) [ 244.961883] ? skb_scrub_packet+0x490/0x490 [ 244.967127] 3*512kB (M) [ 244.969108] ? lock_downgrade+0x900/0x900 [ 244.973414] 4*1024kB (UM) [ 244.976101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.980206] 3*2048kB (M) [ 244.983056] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.988565] 3*4096kB [ 244.991319] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.996761] (M) [ 244.999170] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.004596] = 25232kB [ 245.006575] ndisc_alloc_skb+0x144/0x340 [ 245.010950] Node 0 [ 245.013361] ndisc_send_rs+0x331/0x6e0 [ 245.017395] Normal: [ 245.019634] addrconf_rs_timer+0x3c0/0x6f0 [ 245.023491] 1065*4kB [ 245.025813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.030031] (MEH) [ 245.032450] call_timer_fn+0x272/0x920 [ 245.036651] 487*8kB [ 245.038885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.042747] (ME) [ 245.045069] ? process_timeout+0x40/0x40 [ 245.049271] 153*16kB (MEH) [ 245.051337] ? find_held_lock+0x36/0x1c0 [ 245.055370] 77*32kB (UM) [ 245.058310] ? __run_timers+0x7da/0xc70 [ 245.062367] 0*64kB [ 245.065124] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.069063] 1*128kB (H) [ 245.071307] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.075778] 1*256kB [ 245.078445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.082909] (U) [ 245.085317] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.089526] 1*512kB [ 245.091502] ? trace_hardirqs_on+0xbd/0x310 [ 245.096050] (U) 0*1024kB [ 245.098378] ? kasan_check_read+0x11/0x20 [ 245.102673] 0*2048kB [ 245.105428] ? __run_timers+0x7da/0xc70 [ 245.109552] 0*4096kB [ 245.111959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.115898] = 13964kB [ 245.115912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.118313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.123740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.126140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.134952] 412 total pagecache pages [ 245.139188] __run_timers+0x7e5/0xc70 [ 245.147738] 0 pages in swap cache [ 245.151975] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.155734] Swap cache stats: add 0, delete 0, find 0/0 [ 245.155743] Free swap = 0kB [ 245.159543] ? compat_start_thread+0x80/0x80 [ 245.162969] Total swap = 0kB [ 245.168330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.173666] 1965979 pages RAM [ 245.176681] ? kasan_check_write+0x14/0x20 [ 245.181056] 0 pages HighMem/MovableOnly [ 245.181065] 343323 pages reserved [ 245.184080] ? finish_task_switch+0x2f5/0x900 [ 245.189590] 0 pages cma reserved [ 245.192688] ? __switch_to_asm+0x40/0x70 [ 245.196962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.200859] ? preempt_notifier_register+0x200/0x200 [ 245.204378] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.208777] ? __switch_to_asm+0x34/0x70 [ 245.212118] syz-executor0 cpuset= [ 245.216175] ? __switch_to_asm+0x40/0x70 [ 245.222750] syz0 [ 245.227853] ? __switch_to_asm+0x34/0x70 [ 245.227869] ? __switch_to_asm+0x40/0x70 [ 245.238363] mems_allowed=0 [ 245.242426] ? __switch_to_asm+0x34/0x70 [ 245.266917] ? __switch_to_asm+0x40/0x70 [ 245.270995] ? pvclock_read_flags+0x160/0x160 [ 245.275494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.281038] ? check_preemption_disabled+0x48/0x200 [ 245.286065] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 245.291608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.296891] ? rcu_pm_notify+0xc0/0xc0 [ 245.300784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.306324] ? check_preemption_disabled+0x48/0x200 [ 245.311349] run_timer_softirq+0x52/0xb0 [ 245.315410] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.320429] __do_softirq+0x30b/0xad8 [ 245.324246] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.329354] ? trace_hardirqs_off_caller+0x300/0x300 [ 245.334460] ? trace_hardirqs_on+0x310/0x310 [ 245.339082] ? schedule+0x108/0x460 [ 245.342720] ? __schedule+0x1ed0/0x1ed0 [ 245.346702] ? trace_hardirqs_off+0xb8/0x300 [ 245.351116] ? ___might_sleep+0x1ed/0x300 [ 245.355264] ? smpboot_thread_fn+0x68b/0xa00 [ 245.359676] ? trace_hardirqs_on+0x310/0x310 [ 245.364087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.369630] ? check_preemption_disabled+0x48/0x200 [ 245.374647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.380187] ? takeover_tasklets+0xa90/0xa90 [ 245.384598] run_ksoftirqd+0x94/0x100 [ 245.388416] smpboot_thread_fn+0x68b/0xa00 [ 245.392654] ? sort_range+0x30/0x30 [ 245.396288] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.401397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.406933] ? __kthread_parkme+0xfb/0x1a0 [ 245.411176] kthread+0x35a/0x420 [ 245.414551] ? sort_range+0x30/0x30 [ 245.418177] ? kthread_bind+0x40/0x40 [ 245.421986] ret_from_fork+0x3a/0x50 [ 245.425721] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 245.425819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.432996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.433001] Call Trace: [ 245.433008] [ 245.433025] dump_stack+0x1c4/0x2b4 [ 245.433042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.439584] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.448890] warn_alloc.cold.118+0xb7/0x1bd [ 245.451441] ksoftirqd/1 cpuset= [ 245.453584] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.457190] / [ 245.462379] ? lock_downgrade+0x900/0x900 [ 245.472672] mems_allowed=0 [ 245.476994] ? trace_hardirqs_off+0xb8/0x300 [ 245.498237] ? trace_hardirqs_off+0xb8/0x300 [ 245.502656] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.507542] ? warn_alloc+0x120/0x120 [ 245.511355] ? trace_hardirqs_on+0x310/0x310 [ 245.515769] ? warn_alloc+0x120/0x120 [ 245.519579] ? print_usage_bug+0xc0/0xc0 [ 245.523647] ? warn_alloc+0x120/0x120 [ 245.527451] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.532469] ? print_usage_bug+0xc0/0xc0 [ 245.536533] ? __lock_acquire+0x7ec/0x4ec0 [ 245.540784] ? __lock_acquire+0x7ec/0x4ec0 [ 245.545023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.550570] ? should_fail+0x22d/0xd01 [ 245.554468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.559580] ? __lock_acquire+0x7ec/0x4ec0 [ 245.563860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.568970] ? __lock_acquire+0x7ec/0x4ec0 [ 245.573205] ? should_fail+0x22d/0xd01 [ 245.577093] ? print_usage_bug+0xc0/0xc0 [ 245.581165] ? mark_held_locks+0x130/0x130 [ 245.585407] ? mark_held_locks+0x130/0x130 [ 245.589824] ? graph_lock+0x170/0x170 [ 245.593628] ? print_usage_bug+0xc0/0xc0 [ 245.597691] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.602453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.607990] ? check_preemption_disabled+0x48/0x200 [ 245.613007] ? check_preemption_disabled+0x48/0x200 [ 245.618052] ? __lock_is_held+0xb5/0x140 [ 245.622120] __alloc_pages_nodemask+0xa80/0xde0 [ 245.626814] ? graph_lock+0x170/0x170 [ 245.630623] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.635636] ? graph_lock+0x170/0x170 [ 245.639449] ? find_held_lock+0x36/0x1c0 [ 245.643524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.648210] ? lock_downgrade+0x900/0x900 [ 245.652373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.657920] cache_grow_begin+0x91/0x8c0 [ 245.661983] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.666405] fallback_alloc+0x203/0x2e0 [ 245.670386] ____cache_alloc_node+0x1c7/0x1e0 [ 245.674890] kmem_cache_alloc_node+0xe3/0x730 [ 245.679385] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.683634] __alloc_skb+0x119/0x770 [ 245.687351] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.692635] ? skb_scrub_packet+0x490/0x490 [ 245.696960] ? lock_downgrade+0x900/0x900 [ 245.701121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.706663] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.712120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.717581] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.722011] ndisc_alloc_skb+0x144/0x340 [ 245.726084] ndisc_send_rs+0x331/0x6e0 [ 245.729980] addrconf_rs_timer+0x3c0/0x6f0 [ 245.734221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.738470] call_timer_fn+0x272/0x920 [ 245.742361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.746602] ? process_timeout+0x40/0x40 [ 245.750666] ? find_held_lock+0x36/0x1c0 [ 245.754737] ? __run_timers+0x7da/0xc70 [ 245.758720] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.763215] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.767710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.771947] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.776531] ? trace_hardirqs_on+0xbd/0x310 [ 245.780863] ? kasan_check_read+0x11/0x20 [ 245.785011] ? __run_timers+0x7da/0xc70 [ 245.788991] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.794451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.798692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.802930] __run_timers+0x7e5/0xc70 [ 245.806748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.812114] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.817135] ? graph_lock+0x170/0x170 [ 245.820945] ? enqueue_hrtimer+0x1a5/0x560 [ 245.825177] ? lock_release+0x970/0x970 [ 245.829153] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.834350] ? find_held_lock+0x36/0x1c0 [ 245.838415] ? graph_lock+0x170/0x170 [ 245.842216] ? pvclock_read_flags+0x160/0x160 [ 245.846713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.852248] ? check_preemption_disabled+0x48/0x200 [ 245.857286] ? __lock_is_held+0xb5/0x140 [ 245.861353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.866888] ? check_preemption_disabled+0x48/0x200 [ 245.871917] run_timer_softirq+0x52/0xb0 [ 245.875983] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.881004] __do_softirq+0x30b/0xad8 [ 245.884815] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.889925] ? pvclock_read_flags+0x160/0x160 [ 245.894422] ? lapic_next_event+0x5a/0x90 [ 245.898573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.904118] ? check_preemption_disabled+0x48/0x200 [ 245.909132] ? check_preemption_disabled+0x48/0x200 [ 245.914156] ? kvm_clock_read+0x18/0x30 [ 245.918135] ? kvm_sched_clock_read+0x9/0x20 [ 245.922553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.928090] ? check_preemption_disabled+0x48/0x200 [ 245.933117] irq_exit+0x17f/0x1c0 [ 245.936578] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.941442] ? smp_reschedule_interrupt+0x109/0x650 [ 245.946465] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.952350] ? interrupt_entry+0xb5/0xf0 [ 245.956415] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.961431] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.966448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.971291] ? trace_hardirqs_off+0x300/0x300 [ 245.975787] ? trace_hardirqs_off+0x300/0x300 [ 245.980285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.985824] ? check_preemption_disabled+0x48/0x200 [ 245.990842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.996391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.001244] apic_timer_interrupt+0xf/0x20 [ 246.005476] [ 246.007715] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 246.012648] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 246.031556] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 246.039273] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.046551] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 246.053822] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 246.061091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 246.068360] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 246.075694] skb_clone+0x1bb/0x500 [ 246.079238] ? finish_task_switch+0x1b5/0x900 [ 246.083738] ? skb_split+0x11e0/0x11e0 [ 246.087629] ? preempt_notifier_register+0x200/0x200 [ 246.092731] ? __switch_to_asm+0x34/0x70 [ 246.096792] ? __switch_to_asm+0x34/0x70 [ 246.100850] ? __switch_to_asm+0x40/0x70 [ 246.104907] ? __switch_to_asm+0x34/0x70 [ 246.108965] ? __switch_to_asm+0x40/0x70 [ 246.113023] ? __switch_to_asm+0x34/0x70 [ 246.117085] ? __switch_to_asm+0x40/0x70 [ 246.121144] ? __switch_to_asm+0x34/0x70 [ 246.125209] ? __switch_to_asm+0x34/0x70 [ 246.129271] ? __switch_to_asm+0x40/0x70 [ 246.133328] ? __switch_to_asm+0x34/0x70 [ 246.137398] bpf_clone_redirect+0xb9/0x490 [ 246.141636] ? __schedule+0x874/0x1ed0 [ 246.145532] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 246.150564] ? __sched_text_start+0x8/0x8 [ 246.154723] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.159492] ? find_held_lock+0x36/0x1c0 [ 246.163569] ? lock_acquire+0x1ed/0x520 [ 246.167558] ? bpf_test_run+0x32e/0x5a0 [ 246.171545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.177083] ? check_preemption_disabled+0x48/0x200 [ 246.182108] ? kasan_check_read+0x11/0x20 [ 246.186263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.191550] ? rcu_bh_qs+0xc0/0xc0 [ 246.195094] ? preempt_schedule+0x4d/0x60 [ 246.199249] ? ___preempt_schedule+0x16/0x18 [ 246.203665] ? bpf_test_run+0x1c0/0x5a0 [ 246.207650] ? netlink_diag_dump+0x2a0/0x2a0 [ 246.212064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.217609] ? bpf_test_init.isra.9+0x70/0x100 [ 246.222198] ? bpf_prog_test_run_skb+0x634/0xb40 [ 246.226962] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.231804] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.237350] ? fput+0x130/0x1a0 [ 246.240629] ? __bpf_prog_get+0x9b/0x290 [ 246.244696] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.249547] ? bpf_prog_test_run+0x130/0x1a0 [ 246.253959] ? __x64_sys_bpf+0x3d8/0x510 [ 246.258020] ? bpf_prog_get+0x20/0x20 [ 246.261833] ? ksys_ioctl+0x81/0xd0 [ 246.265470] ? do_syscall_64+0x1b9/0x820 [ 246.269543] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 246.274925] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.279874] ? trace_hardirqs_off+0x300/0x300 [ 246.284434] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 246.289459] ? recalc_sigpending_tsk+0x180/0x180 [ 246.294221] ? kasan_check_write+0x14/0x20 [ 246.298559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.303422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.308799] warn_alloc_show_mem: 1 callbacks suppressed [ 246.308811] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 246.308813] Mem-Info: [ 246.308846] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 246.308846] active_file:14 inactive_file:18 isolated_file:1 [ 246.308846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.308846] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 246.308846] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 246.308846] free:13768 free_pcp:583 free_cma:0 [ 246.314174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.314183] Call Trace: [ 246.321033] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.323443] dump_stack+0x1c4/0x2b4 [ 246.356308] Node 0 [ 246.365677] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.368253] 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 [ 246.395912] warn_alloc.cold.118+0xb7/0x1bd [ 246.399507] lowmem_reserve[]: [ 246.401739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.406904] 0 [ 246.432588] ? lock_downgrade+0x900/0x900 [ 246.436888] 2815 [ 246.439994] ? trace_hardirqs_off+0xb8/0x300 [ 246.444809] 6318 [ 246.446609] ? trace_hardirqs_off+0xb8/0x300 [ 246.451333] 6318 [ 246.453406] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.457781] Node 0 [ 246.459864] ? warn_alloc+0x120/0x120 [ 246.464249] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 246.466283] ? warn_alloc+0x120/0x120 [ 246.471316] lowmem_reserve[]: 0 [ 246.473580] ? print_usage_bug+0xc0/0xc0 [ 246.477342] 0 3503 [ 246.504259] ? warn_alloc+0x120/0x120 [ 246.508038] 3503 [ 246.511320] ? print_usage_bug+0xc0/0xc0 [ 246.517592] ? __lock_acquire+0x7ec/0x4ec0 [ 246.521372] Node 0 [ 246.523434] ? __lock_acquire+0x7ec/0x4ec0 [ 246.527502] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 246.531716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.533917] lowmem_reserve[]: 0 [ 246.538158] ? should_fail+0x22d/0xd01 [ 246.566601] 0 [ 246.572148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.575380] 0 0 [ 246.579275] ? __lock_acquire+0x7ec/0x4ec0 [ 246.586156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.588105] Node 0 [ 246.592335] ? __lock_acquire+0x7ec/0x4ec0 [ 246.597426] DMA: [ 246.599665] ? should_fail+0x22d/0xd01 [ 246.603874] 1*4kB [ 246.605939] ? mark_held_locks+0x130/0x130 [ 246.609789] (U) [ 246.611933] ? mark_held_locks+0x130/0x130 [ 246.616141] 0*8kB [ 246.618116] ? graph_lock+0x170/0x170 [ 246.622335] 0*16kB [ 246.624477] ? graph_lock+0x170/0x170 [ 246.628253] 1*32kB [ 246.630481] ? graph_lock+0x170/0x170 [ 246.634257] (U) [ 246.636487] ? print_usage_bug+0xc0/0xc0 [ 246.640275] 2*64kB [ 246.642250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.646281] (U) [ 246.648531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.654056] 1*128kB [ 246.656025] ? check_preemption_disabled+0x48/0x200 [ 246.661555] (U) [ 246.663877] ? check_preemption_disabled+0x48/0x200 [ 246.668863] 1*256kB (U) [ 246.670855] ? __lock_is_held+0xb5/0x140 [ 246.675835] 0*512kB [ 246.678506] __alloc_pages_nodemask+0xa80/0xde0 [ 246.682544] 1*1024kB [ 246.684858] ? graph_lock+0x170/0x170 [ 246.689503] (U) [ 246.691914] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.695686] 1*2048kB [ 246.697654] ? graph_lock+0x170/0x170 [ 246.702644] (M) [ 246.705061] ? find_held_lock+0x36/0x1c0 [ 246.708830] 3*4096kB [ 246.710808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.714834] (M) [ 246.717238] ? lock_downgrade+0x900/0x900 [ 246.721877] = 15908kB [ 246.721885] Node 0 [ 246.723862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.727975] DMA32: 4*4kB [ 246.730393] cache_grow_begin+0x91/0x8c0 [ 246.732624] (UM) [ 246.738155] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.740890] 2*8kB [ 246.744955] fallback_alloc+0x203/0x2e0 [ 246.746986] (M) [ 246.751396] ____cache_alloc_node+0x1c7/0x1e0 [ 246.753518] 1*16kB [ 246.757493] kmem_cache_alloc_node+0xe3/0x730 [ 246.759442] (M) [ 246.763932] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.766141] 1*32kB [ 246.770637] __alloc_skb+0x119/0x770 [ 246.772579] (M) [ 246.776827] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.779037] 3*64kB [ 246.782751] ? skb_scrub_packet+0x490/0x490 [ 246.784697] (UM) [ 246.789973] ? lock_downgrade+0x900/0x900 [ 246.792187] 3*128kB [ 246.796524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.798562] (M) [ 246.802712] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.805012] 2*256kB [ 246.810576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.812527] (M) [ 246.817980] ? addrconf_rs_timer+0x6f0/0x6f0 [ 246.820278] 3*512kB [ 246.825773] ndisc_alloc_skb+0x144/0x340 [ 246.827713] (M) [ 246.832119] ndisc_send_rs+0x331/0x6e0 [ 246.834412] 4*1024kB (UM) [ 246.838479] addrconf_rs_timer+0x3c0/0x6f0 [ 246.840428] 3*2048kB [ 246.844309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.847125] (M) [ 246.851362] call_timer_fn+0x272/0x920 [ 246.853742] 3*4096kB [ 246.857972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.859924] (M) [ 246.863810] ? process_timeout+0x40/0x40 [ 246.866196] = 25232kB [ 246.870422] ? find_held_lock+0x36/0x1c0 [ 246.872372] Node 0 [ 246.876438] ? __run_timers+0x7da/0xc70 [ 246.878809] Normal: 1065*4kB [ 246.882873] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.885081] (MEH) [ 246.889054] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.892131] 487*8kB (ME) [ 246.896631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.898756] 153*16kB [ 246.903243] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.905972] (MEH) [ 246.910200] ? trace_hardirqs_on+0xbd/0x310 [ 246.912585] 77*32kB [ 246.917162] ? kasan_check_read+0x11/0x20 [ 246.919294] (UM) [ 246.923614] ? __run_timers+0x7da/0xc70 [ 246.925939] 0*64kB [ 246.930080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.932118] 1*128kB [ 246.936087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.938295] (H) [ 246.943761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.946060] 1*256kB [ 246.950288] __run_timers+0x7e5/0xc70 [ 246.952236] (U) [ 246.956471] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.958764] 1*512kB [ 246.962565] ? compat_start_thread+0x80/0x80 [ 246.964514] (U) [ 246.969880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.972170] 0*1024kB 0*2048kB [ 246.976581] ? kasan_check_write+0x14/0x20 [ 246.978543] 0*4096kB [ 246.984074] ? finish_task_switch+0x2f5/0x900 [ 246.987251] = 13964kB [ 246.987265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.991488] ? __switch_to_asm+0x40/0x70 [ 246.993879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.998359] ? preempt_notifier_register+0x200/0x200 [ 247.000744] 412 total pagecache pages [ 247.009581] ? __switch_to_asm+0x34/0x70 [ 247.013625] 0 pages in swap cache [ 247.022190] ? __switch_to_asm+0x40/0x70 [ 247.022205] ? __switch_to_asm+0x34/0x70 [ 247.027318] Swap cache stats: add 0, delete 0, find 0/0 [ 247.027327] Free swap = 0kB [ 247.031136] ? __switch_to_asm+0x40/0x70 [ 247.035167] Total swap = 0kB [ 247.035176] 1965979 pages RAM [ 247.038627] ? __switch_to_asm+0x34/0x70 [ 247.042665] 0 pages HighMem/MovableOnly [ 247.046717] ? __switch_to_asm+0x40/0x70 [ 247.052053] 343323 pages reserved [ 247.052062] 0 pages cma reserved [ 247.055085] ? pvclock_read_flags+0x160/0x160 [ 247.059199] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.062130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.065300] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.069266] ? check_preemption_disabled+0x48/0x200 [ 247.073217] syz-executor0 cpuset= [ 247.077278] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 247.080701] syz0 [ 247.084058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.084074] ? rcu_pm_notify+0xc0/0xc0 [ 247.088559] mems_allowed=0 [ 247.095043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.144534] ? check_preemption_disabled+0x48/0x200 [ 247.149580] run_timer_softirq+0x52/0xb0 [ 247.153643] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.158669] __do_softirq+0x30b/0xad8 [ 247.162484] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.167592] ? trace_hardirqs_off_caller+0x300/0x300 [ 247.172694] ? trace_hardirqs_on+0x310/0x310 [ 247.177115] ? schedule+0x108/0x460 [ 247.180753] ? __schedule+0x1ed0/0x1ed0 [ 247.184738] ? trace_hardirqs_off+0xb8/0x300 [ 247.189154] ? ___might_sleep+0x1ed/0x300 [ 247.193298] ? smpboot_thread_fn+0x68b/0xa00 [ 247.197706] ? trace_hardirqs_on+0x310/0x310 [ 247.202125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.207683] ? check_preemption_disabled+0x48/0x200 [ 247.212699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.218239] ? takeover_tasklets+0xa90/0xa90 [ 247.222653] run_ksoftirqd+0x94/0x100 [ 247.226460] smpboot_thread_fn+0x68b/0xa00 [ 247.230699] ? sort_range+0x30/0x30 [ 247.234347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.239453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.244991] ? __kthread_parkme+0xfb/0x1a0 [ 247.249230] kthread+0x35a/0x420 [ 247.252597] ? sort_range+0x30/0x30 [ 247.256228] ? kthread_bind+0x40/0x40 [ 247.260032] ret_from_fork+0x3a/0x50 [ 247.263766] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 247.263847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.271037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.271046] Call Trace: [ 247.277656] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.286887] [ 247.289460] ksoftirqd/1 cpuset= [ 247.299775] dump_stack+0x1c4/0x2b4 [ 247.301901] / [ 247.305192] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.308798] mems_allowed=0 [ 247.310515] warn_alloc.cold.118+0xb7/0x1bd [ 247.322912] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.327847] ? lock_downgrade+0x900/0x900 [ 247.332003] ? trace_hardirqs_off+0xb8/0x300 [ 247.336417] ? trace_hardirqs_off+0xb8/0x300 [ 247.341310] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.346185] ? warn_alloc+0x120/0x120 [ 247.349987] ? trace_hardirqs_on+0x310/0x310 [ 247.354400] ? warn_alloc+0x120/0x120 [ 247.358205] ? print_usage_bug+0xc0/0xc0 [ 247.362267] ? warn_alloc+0x120/0x120 [ 247.366070] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.371089] ? print_usage_bug+0xc0/0xc0 [ 247.375174] ? __lock_acquire+0x7ec/0x4ec0 [ 247.379408] ? __lock_acquire+0x7ec/0x4ec0 [ 247.383645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.389186] ? should_fail+0x22d/0xd01 [ 247.393081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.398190] ? __lock_acquire+0x7ec/0x4ec0 [ 247.402432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.407543] ? __lock_acquire+0x7ec/0x4ec0 [ 247.411776] ? should_fail+0x22d/0xd01 [ 247.415662] ? print_usage_bug+0xc0/0xc0 [ 247.419735] ? mark_held_locks+0x130/0x130 [ 247.423977] ? mark_held_locks+0x130/0x130 [ 247.428223] ? graph_lock+0x170/0x170 [ 247.432024] ? print_usage_bug+0xc0/0xc0 [ 247.436087] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.440847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.446386] ? check_preemption_disabled+0x48/0x200 [ 247.451402] ? check_preemption_disabled+0x48/0x200 [ 247.456428] ? __lock_is_held+0xb5/0x140 [ 247.460495] __alloc_pages_nodemask+0xa80/0xde0 [ 247.465164] ? graph_lock+0x170/0x170 [ 247.468973] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.473984] ? graph_lock+0x170/0x170 [ 247.477800] ? find_held_lock+0x36/0x1c0 [ 247.481876] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.486556] ? lock_downgrade+0x900/0x900 [ 247.490714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.496261] cache_grow_begin+0x91/0x8c0 [ 247.500326] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.504742] fallback_alloc+0x203/0x2e0 [ 247.508724] ____cache_alloc_node+0x1c7/0x1e0 [ 247.513231] kmem_cache_alloc_node+0xe3/0x730 [ 247.517729] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.521975] __alloc_skb+0x119/0x770 [ 247.525804] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.531093] ? skb_scrub_packet+0x490/0x490 [ 247.535457] ? lock_downgrade+0x900/0x900 [ 247.539648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.545187] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.550648] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.556101] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.560554] ndisc_alloc_skb+0x144/0x340 [ 247.564630] ndisc_send_rs+0x331/0x6e0 [ 247.568525] addrconf_rs_timer+0x3c0/0x6f0 [ 247.572778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.577043] call_timer_fn+0x272/0x920 [ 247.580931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.585169] ? process_timeout+0x40/0x40 [ 247.589259] ? find_held_lock+0x36/0x1c0 [ 247.593333] ? __run_timers+0x7da/0xc70 [ 247.597311] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.601812] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.606310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.610554] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.615141] ? trace_hardirqs_on+0xbd/0x310 [ 247.619461] ? kasan_check_read+0x11/0x20 [ 247.623620] ? __run_timers+0x7da/0xc70 [ 247.627606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.633066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.637312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.641558] __run_timers+0x7e5/0xc70 [ 247.645381] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.650753] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.655771] ? graph_lock+0x170/0x170 [ 247.659580] ? enqueue_hrtimer+0x1a5/0x560 [ 247.663818] ? lock_release+0x970/0x970 [ 247.667794] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.672997] ? find_held_lock+0x36/0x1c0 [ 247.677066] ? graph_lock+0x170/0x170 [ 247.680869] ? pvclock_read_flags+0x160/0x160 [ 247.685365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.690900] ? check_preemption_disabled+0x48/0x200 [ 247.695932] ? __lock_is_held+0xb5/0x140 [ 247.699998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.705545] ? check_preemption_disabled+0x48/0x200 [ 247.710579] run_timer_softirq+0x52/0xb0 [ 247.714646] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.719666] __do_softirq+0x30b/0xad8 [ 247.723482] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.728600] ? pvclock_read_flags+0x160/0x160 [ 247.733098] ? lapic_next_event+0x5a/0x90 [ 247.737251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.742788] ? check_preemption_disabled+0x48/0x200 [ 247.747801] ? check_preemption_disabled+0x48/0x200 [ 247.752822] ? kvm_clock_read+0x18/0x30 [ 247.756796] ? kvm_sched_clock_read+0x9/0x20 [ 247.761219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.766759] ? check_preemption_disabled+0x48/0x200 [ 247.771792] irq_exit+0x17f/0x1c0 [ 247.775249] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.780094] ? smp_reschedule_interrupt+0x109/0x650 [ 247.785125] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.791042] ? interrupt_entry+0xb5/0xf0 [ 247.795200] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.800220] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.805237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.810083] ? trace_hardirqs_off+0x300/0x300 [ 247.814582] ? trace_hardirqs_off+0x300/0x300 [ 247.819086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.824630] ? check_preemption_disabled+0x48/0x200 [ 247.829646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.835192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.840048] apic_timer_interrupt+0xf/0x20 [ 247.844279] [ 247.846524] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.851463] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 247.870376] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.878097] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.885372] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 247.892642] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 247.899910] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.907176] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.914493] skb_clone+0x1bb/0x500 [ 247.918037] ? finish_task_switch+0x1b5/0x900 [ 247.922543] ? skb_split+0x11e0/0x11e0 [ 247.926433] ? preempt_notifier_register+0x200/0x200 [ 247.931535] ? __switch_to_asm+0x34/0x70 [ 247.935610] ? __switch_to_asm+0x34/0x70 [ 247.939674] ? __switch_to_asm+0x40/0x70 [ 247.943731] ? __switch_to_asm+0x34/0x70 [ 247.947791] ? __switch_to_asm+0x40/0x70 [ 247.951852] ? __switch_to_asm+0x34/0x70 [ 247.955910] ? __switch_to_asm+0x40/0x70 [ 247.959971] ? __switch_to_asm+0x34/0x70 [ 247.964034] ? __switch_to_asm+0x34/0x70 [ 247.968094] ? __switch_to_asm+0x40/0x70 [ 247.972152] ? __switch_to_asm+0x34/0x70 [ 247.976225] bpf_clone_redirect+0xb9/0x490 [ 247.980463] ? __schedule+0x874/0x1ed0 [ 247.984356] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 247.989374] ? __sched_text_start+0x8/0x8 [ 247.993526] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.998305] ? find_held_lock+0x36/0x1c0 [ 248.002373] ? lock_acquire+0x1ed/0x520 [ 248.006347] ? bpf_test_run+0x32e/0x5a0 [ 248.010327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.015866] ? check_preemption_disabled+0x48/0x200 [ 248.020887] ? kasan_check_read+0x11/0x20 [ 248.025039] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.030316] ? rcu_bh_qs+0xc0/0xc0 [ 248.033864] ? preempt_schedule+0x4d/0x60 [ 248.038027] ? ___preempt_schedule+0x16/0x18 [ 248.042448] ? bpf_test_run+0x1c0/0x5a0 [ 248.046432] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.050852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.056389] ? bpf_test_init.isra.9+0x70/0x100 [ 248.060975] ? bpf_prog_test_run_skb+0x634/0xb40 [ 248.065739] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.070586] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.076128] ? fput+0x130/0x1a0 [ 248.079408] ? __bpf_prog_get+0x9b/0x290 [ 248.083477] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.088317] ? bpf_prog_test_run+0x130/0x1a0 [ 248.092731] ? __x64_sys_bpf+0x3d8/0x510 [ 248.096794] ? bpf_prog_get+0x20/0x20 [ 248.100612] ? ksys_ioctl+0x81/0xd0 [ 248.104253] ? do_syscall_64+0x1b9/0x820 [ 248.108317] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.113682] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.118622] ? trace_hardirqs_off+0x300/0x300 [ 248.123123] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.128143] ? recalc_sigpending_tsk+0x180/0x180 [ 248.132897] ? kasan_check_write+0x14/0x20 [ 248.137142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.141994] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.147372] warn_alloc_show_mem: 1 callbacks suppressed [ 248.147384] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 248.147386] Mem-Info: [ 248.147418] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 248.147418] active_file:14 inactive_file:18 isolated_file:1 [ 248.147418] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.147418] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 248.147418] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 248.147418] free:13768 free_pcp:583 free_cma:0 [ 248.152750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.152759] Call Trace: [ 248.159613] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.162012] dump_stack+0x1c4/0x2b4 [ 248.194877] Node 0 [ 248.204239] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.206817] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.234478] warn_alloc.cold.118+0xb7/0x1bd [ 248.238071] lowmem_reserve[]: [ 248.240304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.245464] 0 2815 [ 248.270981] ? lock_downgrade+0x900/0x900 [ 248.275273] 6318 [ 248.278380] ? trace_hardirqs_off+0xb8/0x300 [ 248.283194] 6318 [ 248.285430] ? trace_hardirqs_off+0xb8/0x300 [ 248.289572] Node 0 [ 248.291646] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.296047] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 248.298114] ? warn_alloc+0x120/0x120 [ 248.302458] lowmem_reserve[]: [ 248.304693] ? warn_alloc+0x120/0x120 [ 248.309506] 0 [ 248.336424] ? print_usage_bug+0xc0/0xc0 [ 248.340200] 0 [ 248.343302] ? warn_alloc+0x120/0x120 [ 248.347072] 3503 [ 248.348873] ? print_usage_bug+0xc0/0xc0 [ 248.352908] 3503 [ 248.354705] ? __lock_acquire+0x7ec/0x4ec0 [ 248.360534] ? __lock_acquire+0x7ec/0x4ec0 [ 248.364580] Node 0 [ 248.366640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.370870] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 248.375075] ? should_fail+0x22d/0xd01 [ 248.377285] lowmem_reserve[]: [ 248.382830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.411268] 0 [ 248.415165] ? __lock_acquire+0x7ec/0x4ec0 [ 248.418245] 0 [ 248.423455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.425225] 0 [ 248.429461] ? __lock_acquire+0x7ec/0x4ec0 [ 248.431235] 0 [ 248.436337] ? should_fail+0x22d/0xd01 [ 248.442346] ? print_usage_bug+0xc0/0xc0 [ 248.444128] Node 0 [ 248.448023] ? mark_held_locks+0x130/0x130 [ 248.452045] DMA: [ 248.454284] ? mark_held_locks+0x130/0x130 [ 248.458489] 1*4kB [ 248.460580] ? graph_lock+0x170/0x170 [ 248.464779] (U) [ 248.466932] ? print_usage_bug+0xc0/0xc0 [ 248.470909] 0*8kB 0*16kB [ 248.472898] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.476923] 1*32kB (U) [ 248.479691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.484417] 2*64kB [ 248.486997] ? check_preemption_disabled+0x48/0x200 [ 248.492505] (U) [ 248.494744] ? check_preemption_disabled+0x48/0x200 [ 248.499725] 1*128kB (U) [ 248.501716] ? __lock_is_held+0xb5/0x140 [ 248.506696] 1*256kB [ 248.509371] __alloc_pages_nodemask+0xa80/0xde0 [ 248.513400] (U) [ 248.515719] ? graph_lock+0x170/0x170 [ 248.520365] 0*512kB [ 248.522347] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.526113] 1*1024kB [ 248.528436] ? graph_lock+0x170/0x170 [ 248.533425] (U) [ 248.535844] ? find_held_lock+0x36/0x1c0 [ 248.539607] 1*2048kB (M) [ 248.541600] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.545636] 3*4096kB [ 248.548396] ? lock_downgrade+0x900/0x900 [ 248.553033] (M) [ 248.555451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.559572] = 15908kB [ 248.561556] cache_grow_begin+0x91/0x8c0 [ 248.567061] Node 0 [ 248.569471] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.573503] DMA32: [ 248.575742] fallback_alloc+0x203/0x2e0 [ 248.580116] 4*4kB [ 248.582355] ____cache_alloc_node+0x1c7/0x1e0 [ 248.586296] (UM) [ 248.588450] kmem_cache_alloc_node+0xe3/0x730 [ 248.592914] 2*8kB [ 248.594975] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.599459] (M) [ 248.601612] __alloc_skb+0x119/0x770 [ 248.605819] 1*16kB [ 248.607791] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.611475] (M) [ 248.613711] ? skb_scrub_packet+0x490/0x490 [ 248.618962] 1*32kB [ 248.621023] ? lock_downgrade+0x900/0x900 [ 248.625316] (M) [ 248.627562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.631676] 3*64kB (UM) [ 248.633661] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.639172] 3*128kB [ 248.641838] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.647259] (M) [ 248.649584] ? addrconf_rs_timer+0x6f0/0x6f0 [ 248.655011] 2*256kB [ 248.656991] ndisc_alloc_skb+0x144/0x340 [ 248.661362] (M) [ 248.663687] ndisc_send_rs+0x331/0x6e0 [ 248.667723] 3*512kB [ 248.669705] addrconf_rs_timer+0x3c0/0x6f0 [ 248.673566] (M) [ 248.675893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.680094] 4*1024kB (UM) 3*2048kB [ 248.682092] call_timer_fn+0x272/0x920 [ 248.686287] (M) [ 248.689911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.693770] 3*4096kB [ 248.695744] ? process_timeout+0x40/0x40 [ 248.699949] (M) [ 248.702391] ? find_held_lock+0x36/0x1c0 [ 248.706421] = 25232kB [ 248.706429] Node 0 [ 248.708408] ? __run_timers+0x7da/0xc70 [ 248.712428] Normal: 1065*4kB [ 248.714843] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.717054] (MEH) [ 248.721027] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.724102] 487*8kB (ME) [ 248.728606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.730730] 153*16kB (MEH) [ 248.735227] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.737951] 77*32kB (UM) [ 248.742190] ? trace_hardirqs_on+0xbd/0x310 [ 248.745093] 0*64kB 1*128kB (H) [ 248.749683] ? kasan_check_read+0x11/0x20 [ 248.752421] 1*256kB [ 248.756764] ? __run_timers+0x7da/0xc70 [ 248.760013] (U) [ 248.764159] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.766455] 1*512kB [ 248.770425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.772371] (U) [ 248.777822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.780117] 0*1024kB [ 248.784349] __run_timers+0x7e5/0xc70 [ 248.786300] 0*2048kB [ 248.790547] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.792927] 0*4096kB [ 248.796726] ? compat_start_thread+0x80/0x80 [ 248.799113] = 13964kB [ 248.804478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.806869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.811269] ? kasan_check_write+0x14/0x20 [ 248.813662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.819194] ? finish_task_switch+0x2f5/0x900 [ 248.828012] 412 total pagecache pages [ 248.832246] ? __switch_to_asm+0x40/0x70 [ 248.840801] 0 pages in swap cache [ 248.845301] ? preempt_notifier_register+0x200/0x200 [ 248.849065] Swap cache stats: add 0, delete 0, find 0/0 [ 248.849074] Free swap = 0kB [ 248.853135] ? __switch_to_asm+0x34/0x70 [ 248.856569] Total swap = 0kB [ 248.861666] ? __switch_to_asm+0x40/0x70 [ 248.867007] 1965979 pages RAM [ 248.870023] ? __switch_to_asm+0x34/0x70 [ 248.874050] 0 pages HighMem/MovableOnly [ 248.874059] 343323 pages reserved [ 248.877072] ? __switch_to_asm+0x40/0x70 [ 248.881104] 0 pages cma reserved [ 248.881183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.884204] ? __switch_to_asm+0x34/0x70 [ 248.884215] ? __switch_to_asm+0x40/0x70 [ 248.884242] ? pvclock_read_flags+0x160/0x160 [ 248.888343] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.892253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.895684] syz-executor0 cpuset= [ 248.899736] ? check_preemption_disabled+0x48/0x200 [ 248.903075] syz0 [ 248.909581] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 248.913620] mems_allowed=0 [ 248.917675] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.917692] ? rcu_pm_notify+0xc0/0xc0 [ 248.966166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.971709] ? check_preemption_disabled+0x48/0x200 [ 248.976742] run_timer_softirq+0x52/0xb0 [ 248.980804] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.985824] __do_softirq+0x30b/0xad8 [ 248.989648] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.994752] ? trace_hardirqs_off_caller+0x300/0x300 [ 248.999858] ? trace_hardirqs_on+0x310/0x310 [ 249.004279] ? schedule+0x108/0x460 [ 249.007915] ? __schedule+0x1ed0/0x1ed0 [ 249.011900] ? trace_hardirqs_off+0xb8/0x300 [ 249.016314] ? ___might_sleep+0x1ed/0x300 [ 249.020461] ? smpboot_thread_fn+0x68b/0xa00 [ 249.024869] ? trace_hardirqs_on+0x310/0x310 [ 249.029281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.034824] ? check_preemption_disabled+0x48/0x200 [ 249.039847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.045395] ? takeover_tasklets+0xa90/0xa90 [ 249.049827] run_ksoftirqd+0x94/0x100 [ 249.053642] smpboot_thread_fn+0x68b/0xa00 [ 249.057882] ? sort_range+0x30/0x30 [ 249.061513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.066630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.072173] ? __kthread_parkme+0xfb/0x1a0 [ 249.076420] kthread+0x35a/0x420 [ 249.079792] ? sort_range+0x30/0x30 [ 249.083420] ? kthread_bind+0x40/0x40 [ 249.087232] ret_from_fork+0x3a/0x50 [ 249.090968] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 249.091048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.098237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.098242] Call Trace: [ 249.098249] [ 249.098267] dump_stack+0x1c4/0x2b4 [ 249.098286] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.104861] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.114128] warn_alloc.cold.118+0xb7/0x1bd [ 249.116685] ksoftirqd/1 cpuset= [ 249.118830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.122430] / [ 249.127642] ? lock_downgrade+0x900/0x900 [ 249.137933] mems_allowed=0 [ 249.159114] ? trace_hardirqs_off+0xb8/0x300 [ 249.163534] ? trace_hardirqs_off+0xb8/0x300 [ 249.167967] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.172844] ? warn_alloc+0x120/0x120 [ 249.176650] ? warn_alloc+0x120/0x120 [ 249.180459] ? print_usage_bug+0xc0/0xc0 [ 249.184524] ? warn_alloc+0x120/0x120 [ 249.188333] ? print_usage_bug+0xc0/0xc0 [ 249.192396] ? __lock_acquire+0x7ec/0x4ec0 [ 249.196631] ? __lock_acquire+0x7ec/0x4ec0 [ 249.200871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.206412] ? should_fail+0x22d/0xd01 [ 249.210304] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.215407] ? __lock_acquire+0x7ec/0x4ec0 [ 249.219653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.224759] ? __lock_acquire+0x7ec/0x4ec0 [ 249.228992] ? should_fail+0x22d/0xd01 [ 249.232891] ? mark_held_locks+0x130/0x130 [ 249.237135] ? mark_held_locks+0x130/0x130 [ 249.241370] ? graph_lock+0x170/0x170 [ 249.245169] ? graph_lock+0x170/0x170 [ 249.248973] ? graph_lock+0x170/0x170 [ 249.252774] ? print_usage_bug+0xc0/0xc0 [ 249.256840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.262382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.267923] ? check_preemption_disabled+0x48/0x200 [ 249.272942] ? check_preemption_disabled+0x48/0x200 [ 249.277980] ? __lock_is_held+0xb5/0x140 [ 249.282054] __alloc_pages_nodemask+0xa80/0xde0 [ 249.286729] ? graph_lock+0x170/0x170 [ 249.290548] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.295570] ? graph_lock+0x170/0x170 [ 249.299394] ? find_held_lock+0x36/0x1c0 [ 249.303474] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.308152] ? lock_downgrade+0x900/0x900 [ 249.312314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.317869] cache_grow_begin+0x91/0x8c0 [ 249.321945] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.326364] fallback_alloc+0x203/0x2e0 [ 249.330350] ____cache_alloc_node+0x1c7/0x1e0 [ 249.334858] kmem_cache_alloc_node+0xe3/0x730 [ 249.339823] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.344073] __alloc_skb+0x119/0x770 [ 249.347789] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.353072] ? skb_scrub_packet+0x490/0x490 [ 249.357398] ? lock_downgrade+0x900/0x900 [ 249.361568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.367126] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.372582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.378048] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.382477] ndisc_alloc_skb+0x144/0x340 [ 249.386557] ndisc_send_rs+0x331/0x6e0 [ 249.390460] addrconf_rs_timer+0x3c0/0x6f0 [ 249.394708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.398960] call_timer_fn+0x272/0x920 [ 249.402850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.407087] ? process_timeout+0x40/0x40 [ 249.411152] ? find_held_lock+0x36/0x1c0 [ 249.415225] ? __run_timers+0x7da/0xc70 [ 249.419221] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.423719] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.428219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.432477] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.437063] ? trace_hardirqs_on+0xbd/0x310 [ 249.441387] ? kasan_check_read+0x11/0x20 [ 249.445545] ? __run_timers+0x7da/0xc70 [ 249.449522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.454994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.459241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.463482] __run_timers+0x7e5/0xc70 [ 249.467301] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.472669] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.477687] ? graph_lock+0x170/0x170 [ 249.481494] ? enqueue_hrtimer+0x1a5/0x560 [ 249.485815] ? lock_release+0x970/0x970 [ 249.489793] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.494997] ? find_held_lock+0x36/0x1c0 [ 249.499067] ? graph_lock+0x170/0x170 [ 249.502871] ? pvclock_read_flags+0x160/0x160 [ 249.507372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.512909] ? check_preemption_disabled+0x48/0x200 [ 249.517945] ? __lock_is_held+0xb5/0x140 [ 249.522016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.527564] ? check_preemption_disabled+0x48/0x200 [ 249.532603] run_timer_softirq+0x52/0xb0 [ 249.536669] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.541702] __do_softirq+0x30b/0xad8 [ 249.545519] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.550643] ? pvclock_read_flags+0x160/0x160 [ 249.555148] ? lapic_next_event+0x5a/0x90 [ 249.559303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.564843] ? check_preemption_disabled+0x48/0x200 [ 249.569857] ? check_preemption_disabled+0x48/0x200 [ 249.574884] ? kvm_clock_read+0x18/0x30 [ 249.578858] ? kvm_sched_clock_read+0x9/0x20 [ 249.583269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.588811] ? check_preemption_disabled+0x48/0x200 [ 249.593844] irq_exit+0x17f/0x1c0 [ 249.597306] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.602147] ? smp_reschedule_interrupt+0x109/0x650 [ 249.607168] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.613074] ? interrupt_entry+0xb5/0xf0 [ 249.617142] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.622244] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.627263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.632111] ? trace_hardirqs_off+0x300/0x300 [ 249.636611] ? trace_hardirqs_off+0x300/0x300 [ 249.641111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.646648] ? check_preemption_disabled+0x48/0x200 [ 249.651664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.657215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.662070] apic_timer_interrupt+0xf/0x20 [ 249.666302] [ 249.668553] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.673487] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 249.692418] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 249.700134] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.707409] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 249.714689] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 249.721964] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.729236] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.736564] skb_clone+0x1bb/0x500 [ 249.740111] ? finish_task_switch+0x1b5/0x900 [ 249.744617] ? skb_split+0x11e0/0x11e0 [ 249.748514] ? preempt_notifier_register+0x200/0x200 [ 249.753633] ? __switch_to_asm+0x34/0x70 [ 249.757697] ? __switch_to_asm+0x34/0x70 [ 249.761760] ? __switch_to_asm+0x40/0x70 [ 249.765818] ? __switch_to_asm+0x34/0x70 [ 249.769881] ? __switch_to_asm+0x40/0x70 [ 249.773944] ? __switch_to_asm+0x34/0x70 [ 249.778001] ? __switch_to_asm+0x40/0x70 [ 249.782061] ? __switch_to_asm+0x34/0x70 [ 249.786129] ? __switch_to_asm+0x34/0x70 [ 249.790190] ? __switch_to_asm+0x40/0x70 [ 249.794252] ? __switch_to_asm+0x34/0x70 [ 249.798327] bpf_clone_redirect+0xb9/0x490 [ 249.802571] ? __schedule+0x874/0x1ed0 [ 249.806476] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 249.811506] ? __sched_text_start+0x8/0x8 [ 249.815668] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.820443] ? find_held_lock+0x36/0x1c0 [ 249.824517] ? lock_acquire+0x1ed/0x520 [ 249.828497] ? bpf_test_run+0x32e/0x5a0 [ 249.832473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.838012] ? check_preemption_disabled+0x48/0x200 [ 249.843035] ? kasan_check_read+0x11/0x20 [ 249.847188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.852472] ? rcu_bh_qs+0xc0/0xc0 [ 249.856018] ? preempt_schedule+0x4d/0x60 [ 249.860167] ? ___preempt_schedule+0x16/0x18 [ 249.864610] ? bpf_test_run+0x1c0/0x5a0 [ 249.868607] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.873022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.878565] ? bpf_test_init.isra.9+0x70/0x100 [ 249.883157] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.887924] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.892769] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.898311] ? fput+0x130/0x1a0 [ 249.901602] ? __bpf_prog_get+0x9b/0x290 [ 249.905668] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.910509] ? bpf_prog_test_run+0x130/0x1a0 [ 249.914929] ? __x64_sys_bpf+0x3d8/0x510 [ 249.918993] ? bpf_prog_get+0x20/0x20 [ 249.922806] ? ksys_ioctl+0x81/0xd0 [ 249.926443] ? do_syscall_64+0x1b9/0x820 [ 249.930509] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.935885] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.940820] ? trace_hardirqs_off+0x300/0x300 [ 249.945322] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.950339] ? recalc_sigpending_tsk+0x180/0x180 [ 249.955101] ? kasan_check_write+0x14/0x20 [ 249.959345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.964203] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.969587] warn_alloc_show_mem: 1 callbacks suppressed [ 249.969598] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 249.969600] Mem-Info: [ 249.969632] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 249.969632] active_file:14 inactive_file:18 isolated_file:1 [ 249.969632] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.969632] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 249.969632] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 249.969632] free:13768 free_pcp:583 free_cma:0 [ 249.974967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.974976] Call Trace: [ 249.981823] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.984234] dump_stack+0x1c4/0x2b4 [ 250.017108] Node 0 [ 250.026490] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.029069] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.056730] warn_alloc.cold.118+0xb7/0x1bd [ 250.060327] lowmem_reserve[]: [ 250.062569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.067725] 0 2815 [ 250.093256] ? lock_downgrade+0x900/0x900 [ 250.098249] 6318 [ 250.101358] ? trace_hardirqs_off+0xb8/0x300 [ 250.106163] 6318 [ 250.108426] ? trace_hardirqs_off+0xb8/0x300 [ 250.112555] Node 0 [ 250.114621] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.119024] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 250.121084] ? warn_alloc+0x120/0x120 [ 250.125441] lowmem_reserve[]: [ 250.127674] ? warn_alloc+0x120/0x120 [ 250.132481] 0 0 [ 250.159397] ? print_usage_bug+0xc0/0xc0 [ 250.163189] 3503 [ 250.166290] ? warn_alloc+0x120/0x120 [ 250.170059] 3503 [ 250.172041] ? print_usage_bug+0xc0/0xc0 [ 250.176073] Node 0 [ 250.178137] ? __lock_acquire+0x7ec/0x4ec0 [ 250.181938] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 250.183969] ? __lock_acquire+0x7ec/0x4ec0 [ 250.187997] lowmem_reserve[]: 0 [ 250.190241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.194442] 0 0 [ 250.222917] ? should_fail+0x22d/0xd01 [ 250.227131] 0 [ 250.230415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.235927] Node 0 [ 250.237902] ? __lock_acquire+0x7ec/0x4ec0 [ 250.241755] DMA: 1*4kB [ 250.243569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.248646] (U) [ 250.250879] ? __lock_acquire+0x7ec/0x4ec0 [ 250.255079] 0*8kB 0*16kB [ 250.257675] ? should_fail+0x22d/0xd01 [ 250.262747] 1*32kB (U) [ 250.264728] ? print_usage_bug+0xc0/0xc0 [ 250.264752] ? mark_held_locks+0x130/0x130 [ 250.268952] 2*64kB (U) [ 250.271717] ? mark_held_locks+0x130/0x130 [ 250.275574] 1*128kB (U) [ 250.278164] ? graph_lock+0x170/0x170 [ 250.282198] 1*256kB [ 250.286428] ? print_usage_bug+0xc0/0xc0 [ 250.288986] (U) [ 250.293217] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.295856] 0*512kB 1*1024kB [ 250.299669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.301996] (U) [ 250.306059] ? check_preemption_disabled+0x48/0x200 [ 250.308004] 1*2048kB (M) [ 250.312763] ? check_preemption_disabled+0x48/0x200 [ 250.312791] ? __lock_is_held+0xb5/0x140 [ 250.315867] 3*4096kB [ 250.321421] __alloc_pages_nodemask+0xa80/0xde0 [ 250.323368] (M) [ 250.328384] ? graph_lock+0x170/0x170 [ 250.331117] = 15908kB [ 250.336142] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.340180] Node 0 [ 250.342591] ? graph_lock+0x170/0x170 [ 250.347240] DMA32: [ 250.349222] ? find_held_lock+0x36/0x1c0 [ 250.352985] 4*4kB [ 250.355397] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.360379] (UM) [ 250.362619] ? lock_downgrade+0x900/0x900 [ 250.366392] 2*8kB [ 250.368632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.372660] (M) [ 250.374815] cache_grow_begin+0x91/0x8c0 [ 250.379451] 1*16kB (M) [ 250.381519] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.385637] 1*32kB (M) [ 250.387797] fallback_alloc+0x203/0x2e0 [ 250.393297] 3*64kB (UM) [ 250.395282] ____cache_alloc_node+0x1c7/0x1e0 [ 250.399307] 3*128kB (M) [ 250.401898] kmem_cache_alloc_node+0xe3/0x730 [ 250.406277] 2*256kB [ 250.408860] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.412804] (M) [ 250.415475] __alloc_skb+0x119/0x770 [ 250.419936] 3*512kB (M) [ 250.422623] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.427082] 4*1024kB (UM) [ 250.429418] ? skb_scrub_packet+0x490/0x490 [ 250.433621] 3*2048kB (M) [ 250.435607] ? lock_downgrade+0x900/0x900 [ 250.439292] 3*4096kB (M) [ 250.441972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.447213] = 25232kB [ 250.447221] Node 0 [ 250.450063] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.454350] Normal: 1065*4kB [ 250.457120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.461237] (MEH) [ 250.463991] ? addrconf_rs_timer+0x6f0/0x6f0 [ 250.469495] 487*8kB (ME) [ 250.472443] ndisc_alloc_skb+0x144/0x340 [ 250.474650] 153*16kB [ 250.480094] ndisc_send_rs+0x331/0x6e0 [ 250.483177] (MEH) [ 250.488630] addrconf_rs_timer+0x3c0/0x6f0 [ 250.490748] 77*32kB (UM) [ 250.495162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.497892] 0*64kB [ 250.501958] call_timer_fn+0x272/0x920 [ 250.504328] 1*128kB (H) [ 250.508261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.510388] 1*256kB [ 250.514618] ? process_timeout+0x40/0x40 [ 250.514635] ? find_held_lock+0x36/0x1c0 [ 250.517376] (U) [ 250.521614] ? __run_timers+0x7da/0xc70 [ 250.523826] 1*512kB [ 250.527709] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.530352] (U) [ 250.534583] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.536882] 0*1024kB 0*2048kB [ 250.540949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.544980] 0*4096kB = 13964kB [ 250.546962] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.550919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.553237] ? trace_hardirqs_on+0xbd/0x310 [ 250.557710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.557718] 412 total pagecache pages [ 250.559691] ? kasan_check_read+0x11/0x20 [ 250.564167] 0 pages in swap cache [ 250.567352] ? __run_timers+0x7da/0xc70 [ 250.571564] Swap cache stats: add 0, delete 0, find 0/0 [ 250.571574] Free swap = 0kB [ 250.574762] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.579309] Total swap = 0kB [ 250.579317] 1965979 pages RAM [ 250.588156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.592452] 0 pages HighMem/MovableOnly [ 250.601026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.604793] 343323 pages reserved [ 250.604802] 0 pages cma reserved [ 250.608947] __run_timers+0x7e5/0xc70 [ 250.612439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.616346] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.621743] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.624694] ? compat_start_thread+0x80/0x80 [ 250.630121] syz-executor0 cpuset= [ 250.633138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.636217] syz0 [ 250.640451] ? kasan_check_write+0x14/0x20 [ 250.644402] mems_allowed=0 [ 250.648629] ? finish_task_switch+0x2f5/0x900 [ 250.708468] ? __switch_to_asm+0x40/0x70 [ 250.712551] ? preempt_notifier_register+0x200/0x200 [ 250.717660] ? __switch_to_asm+0x34/0x70 [ 250.721725] ? __switch_to_asm+0x40/0x70 [ 250.725788] ? __switch_to_asm+0x34/0x70 [ 250.729853] ? __switch_to_asm+0x40/0x70 [ 250.733915] ? __switch_to_asm+0x34/0x70 [ 250.737995] ? __switch_to_asm+0x40/0x70 [ 250.742072] ? pvclock_read_flags+0x160/0x160 [ 250.746581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.752126] ? check_preemption_disabled+0x48/0x200 [ 250.757156] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 250.762694] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.767975] ? rcu_pm_notify+0xc0/0xc0 [ 250.771868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.777408] ? check_preemption_disabled+0x48/0x200 [ 250.782439] run_timer_softirq+0x52/0xb0 [ 250.786509] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.791551] __do_softirq+0x30b/0xad8 [ 250.795370] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.800493] ? trace_hardirqs_off_caller+0x300/0x300 [ 250.805604] ? trace_hardirqs_on+0x310/0x310 [ 250.810025] ? schedule+0x108/0x460 [ 250.813664] ? __schedule+0x1ed0/0x1ed0 [ 250.817651] ? trace_hardirqs_off+0xb8/0x300 [ 250.822074] ? ___might_sleep+0x1ed/0x300 [ 250.826225] ? smpboot_thread_fn+0x68b/0xa00 [ 250.830640] ? trace_hardirqs_on+0x310/0x310 [ 250.835053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.840596] ? check_preemption_disabled+0x48/0x200 [ 250.845620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.851167] ? takeover_tasklets+0xa90/0xa90 [ 250.855586] run_ksoftirqd+0x94/0x100 [ 250.859393] smpboot_thread_fn+0x68b/0xa00 [ 250.863657] ? sort_range+0x30/0x30 [ 250.867295] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.872410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.877956] ? __kthread_parkme+0xfb/0x1a0 [ 250.882201] kthread+0x35a/0x420 [ 250.885574] ? sort_range+0x30/0x30 [ 250.889200] ? kthread_bind+0x40/0x40 [ 250.893007] ret_from_fork+0x3a/0x50 [ 250.896759] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 250.896839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.904031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.904037] Call Trace: [ 250.904043] [ 250.904062] dump_stack+0x1c4/0x2b4 [ 250.904079] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.910633] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.919941] warn_alloc.cold.118+0xb7/0x1bd [ 250.922489] ksoftirqd/1 cpuset= [ 250.924635] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.928237] / [ 250.933426] ? lock_downgrade+0x900/0x900 [ 250.943716] mems_allowed=0 [ 250.964909] ? trace_hardirqs_off+0xb8/0x300 [ 250.969326] ? trace_hardirqs_off+0xb8/0x300 [ 250.973751] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.978637] ? warn_alloc+0x120/0x120 [ 250.982451] ? warn_alloc+0x120/0x120 [ 250.986277] ? print_usage_bug+0xc0/0xc0 [ 250.990344] ? warn_alloc+0x120/0x120 [ 250.994147] ? print_usage_bug+0xc0/0xc0 [ 250.998212] ? __lock_acquire+0x7ec/0x4ec0 [ 251.002453] ? __lock_acquire+0x7ec/0x4ec0 [ 251.006695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.012234] ? should_fail+0x22d/0xd01 [ 251.016127] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.021237] ? __lock_acquire+0x7ec/0x4ec0 [ 251.025482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.030586] ? __lock_acquire+0x7ec/0x4ec0 [ 251.034827] ? should_fail+0x22d/0xd01 [ 251.038731] ? mark_held_locks+0x130/0x130 [ 251.042974] ? mark_held_locks+0x130/0x130 [ 251.047211] ? graph_lock+0x170/0x170 [ 251.051024] ? graph_lock+0x170/0x170 [ 251.054841] ? graph_lock+0x170/0x170 [ 251.058645] ? print_usage_bug+0xc0/0xc0 [ 251.062707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.068263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.073803] ? check_preemption_disabled+0x48/0x200 [ 251.078819] ? check_preemption_disabled+0x48/0x200 [ 251.083867] ? __lock_is_held+0xb5/0x140 [ 251.087937] __alloc_pages_nodemask+0xa80/0xde0 [ 251.092617] ? graph_lock+0x170/0x170 [ 251.096425] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.101444] ? graph_lock+0x170/0x170 [ 251.105265] ? find_held_lock+0x36/0x1c0 [ 251.109337] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.114008] ? lock_downgrade+0x900/0x900 [ 251.118169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.123715] cache_grow_begin+0x91/0x8c0 [ 251.127803] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.132223] fallback_alloc+0x203/0x2e0 [ 251.136207] ____cache_alloc_node+0x1c7/0x1e0 [ 251.140714] kmem_cache_alloc_node+0xe3/0x730 [ 251.145212] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.149459] __alloc_skb+0x119/0x770 [ 251.153178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.158461] ? skb_scrub_packet+0x490/0x490 [ 251.162783] ? lock_downgrade+0x900/0x900 [ 251.166941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.172483] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.177941] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.183399] ? addrconf_rs_timer+0x6f0/0x6f0 [ 251.187822] ndisc_alloc_skb+0x144/0x340 [ 251.191896] ndisc_send_rs+0x331/0x6e0 [ 251.195829] addrconf_rs_timer+0x3c0/0x6f0 [ 251.200075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.204327] call_timer_fn+0x272/0x920 [ 251.208219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.212459] ? process_timeout+0x40/0x40 [ 251.216517] ? find_held_lock+0x36/0x1c0 [ 251.220603] ? __run_timers+0x7da/0xc70 [ 251.224584] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.229082] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.233580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.237819] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.242405] ? trace_hardirqs_on+0xbd/0x310 [ 251.246722] ? kasan_check_read+0x11/0x20 [ 251.250874] ? __run_timers+0x7da/0xc70 [ 251.254850] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.260309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.264560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.268799] __run_timers+0x7e5/0xc70 [ 251.272617] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.277983] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.283003] ? graph_lock+0x170/0x170 [ 251.286807] ? enqueue_hrtimer+0x1a5/0x560 [ 251.291043] ? lock_release+0x970/0x970 [ 251.295017] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.300214] ? find_held_lock+0x36/0x1c0 [ 251.304278] ? graph_lock+0x170/0x170 [ 251.308089] ? pvclock_read_flags+0x160/0x160 [ 251.312593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.318144] ? check_preemption_disabled+0x48/0x200 [ 251.323173] ? __lock_is_held+0xb5/0x140 [ 251.327240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.332778] ? check_preemption_disabled+0x48/0x200 [ 251.337809] run_timer_softirq+0x52/0xb0 [ 251.342337] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.347362] __do_softirq+0x30b/0xad8 [ 251.351173] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.356282] ? pvclock_read_flags+0x160/0x160 [ 251.360777] ? lapic_next_event+0x5a/0x90 [ 251.364925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.370464] ? check_preemption_disabled+0x48/0x200 [ 251.375476] ? check_preemption_disabled+0x48/0x200 [ 251.380500] ? kvm_clock_read+0x18/0x30 [ 251.384476] ? kvm_sched_clock_read+0x9/0x20 [ 251.388891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.394427] ? check_preemption_disabled+0x48/0x200 [ 251.399459] irq_exit+0x17f/0x1c0 [ 251.402917] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.407762] ? smp_reschedule_interrupt+0x109/0x650 [ 251.412785] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.418670] ? interrupt_entry+0xb5/0xf0 [ 251.422735] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.427751] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.432773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.437618] ? trace_hardirqs_off+0x300/0x300 [ 251.442115] ? trace_hardirqs_off+0x300/0x300 [ 251.446618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.452159] ? check_preemption_disabled+0x48/0x200 [ 251.457175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.462723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.467590] apic_timer_interrupt+0xf/0x20 [ 251.471826] [ 251.474069] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.478998] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 251.497909] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 251.505712] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.512984] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 251.520254] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 251.527525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.534804] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.542123] skb_clone+0x1bb/0x500 [ 251.545668] ? finish_task_switch+0x1b5/0x900 [ 251.550168] ? skb_split+0x11e0/0x11e0 [ 251.554058] ? preempt_notifier_register+0x200/0x200 [ 251.559163] ? __switch_to_asm+0x34/0x70 [ 251.563226] ? __switch_to_asm+0x34/0x70 [ 251.567287] ? __switch_to_asm+0x40/0x70 [ 251.571348] ? __switch_to_asm+0x34/0x70 [ 251.575410] ? __switch_to_asm+0x40/0x70 [ 251.579471] ? __switch_to_asm+0x34/0x70 [ 251.583532] ? __switch_to_asm+0x40/0x70 [ 251.587610] ? __switch_to_asm+0x34/0x70 [ 251.591672] ? __switch_to_asm+0x34/0x70 [ 251.595730] ? __switch_to_asm+0x40/0x70 [ 251.599790] ? __switch_to_asm+0x34/0x70 [ 251.603861] bpf_clone_redirect+0xb9/0x490 [ 251.608100] ? __schedule+0x874/0x1ed0 [ 251.611995] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 251.617018] ? __sched_text_start+0x8/0x8 [ 251.621166] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.625936] ? find_held_lock+0x36/0x1c0 [ 251.630024] ? lock_acquire+0x1ed/0x520 [ 251.633997] ? bpf_test_run+0x32e/0x5a0 [ 251.637971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.643521] ? check_preemption_disabled+0x48/0x200 [ 251.648560] ? kasan_check_read+0x11/0x20 [ 251.652713] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.657991] ? rcu_bh_qs+0xc0/0xc0 [ 251.661547] ? preempt_schedule+0x4d/0x60 [ 251.665701] ? ___preempt_schedule+0x16/0x18 [ 251.670121] ? bpf_test_run+0x1c0/0x5a0 [ 251.674110] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.678525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.684074] ? bpf_test_init.isra.9+0x70/0x100 [ 251.688661] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.693431] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.698278] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.703818] ? fput+0x130/0x1a0 [ 251.707104] ? __bpf_prog_get+0x9b/0x290 [ 251.711173] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.716015] ? bpf_prog_test_run+0x130/0x1a0 [ 251.720456] ? __x64_sys_bpf+0x3d8/0x510 [ 251.724519] ? bpf_prog_get+0x20/0x20 [ 251.728334] ? ksys_ioctl+0x81/0xd0 [ 251.731974] ? do_syscall_64+0x1b9/0x820 [ 251.736038] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.741405] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.746338] ? trace_hardirqs_off+0x300/0x300 [ 251.750836] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.755853] ? recalc_sigpending_tsk+0x180/0x180 [ 251.760616] ? kasan_check_write+0x14/0x20 [ 251.764857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.769714] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.775093] warn_alloc_show_mem: 1 callbacks suppressed [ 251.775111] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 251.775113] Mem-Info: [ 251.775145] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 251.775145] active_file:14 inactive_file:18 isolated_file:1 [ 251.775145] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.775145] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 251.775145] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 251.775145] free:13768 free_pcp:583 free_cma:0 [ 251.780477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.780485] Call Trace: [ 251.787339] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.789750] dump_stack+0x1c4/0x2b4 [ 251.822636] Node 0 [ 251.832020] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.834602] 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 [ 251.862261] warn_alloc.cold.118+0xb7/0x1bd [ 251.865856] lowmem_reserve[]: [ 251.868088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.873245] 0 2815 [ 251.898764] ? lock_downgrade+0x900/0x900 [ 251.903060] 6318 [ 251.906164] ? trace_hardirqs_off+0xb8/0x300 [ 251.910975] 6318 [ 251.913209] ? trace_hardirqs_off+0xb8/0x300 [ 251.919397] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.923775] Node 0 [ 251.925859] ? warn_alloc+0x120/0x120 [ 251.930260] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 251.935075] ? warn_alloc+0x120/0x120 [ 251.937282] lowmem_reserve[]: [ 251.941084] ? print_usage_bug+0xc0/0xc0 [ 251.967953] 0 0 [ 251.971775] ? warn_alloc+0x120/0x120 [ 251.974842] 3503 3503 [ 251.978906] ? print_usage_bug+0xc0/0xc0 [ 251.984647] ? __lock_acquire+0x7ec/0x4ec0 [ 251.987121] Node 0 [ 251.991176] ? __lock_acquire+0x7ec/0x4ec0 [ 251.995414] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 251.997622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.001823] lowmem_reserve[]: 0 [ 252.030307] ? should_fail+0x22d/0xd01 [ 252.035835] 0 [ 252.039113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.042984] 0 [ 252.044784] ? __lock_acquire+0x7ec/0x4ec0 [ 252.049858] 0 [ 252.051679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.055881] Node 0 [ 252.057680] ? __lock_acquire+0x7ec/0x4ec0 [ 252.062753] DMA: [ 252.064988] ? should_fail+0x22d/0xd01 [ 252.069193] 1*4kB [ 252.071258] ? mark_held_locks+0x130/0x130 [ 252.075123] (U) [ 252.077271] ? mark_held_locks+0x130/0x130 [ 252.081479] 0*8kB [ 252.083447] ? graph_lock+0x170/0x170 [ 252.087653] 0*16kB 1*32kB [ 252.089812] ? graph_lock+0x170/0x170 [ 252.093589] (U) [ 252.096434] ? graph_lock+0x170/0x170 [ 252.100210] 2*64kB [ 252.102180] ? print_usage_bug+0xc0/0xc0 [ 252.105949] (U) 1*128kB [ 252.108191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.112240] (U) [ 252.114909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.120415] 1*256kB (U) [ 252.122397] ? check_preemption_disabled+0x48/0x200 [ 252.127910] 0*512kB [ 252.130583] ? check_preemption_disabled+0x48/0x200 [ 252.135575] 1*1024kB (U) [ 252.137921] ? __lock_is_held+0xb5/0x140 [ 252.142902] 1*2048kB [ 252.145661] __alloc_pages_nodemask+0xa80/0xde0 [ 252.149691] (M) [ 252.152132] ? graph_lock+0x170/0x170 [ 252.156776] 3*4096kB [ 252.158749] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.162522] (M) [ 252.164934] ? graph_lock+0x170/0x170 [ 252.169921] = 15908kB [ 252.169929] Node 0 [ 252.171910] ? find_held_lock+0x36/0x1c0 [ 252.175670] DMA32: 4*4kB [ 252.178091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.180292] (UM) [ 252.184349] ? lock_downgrade+0x900/0x900 [ 252.187080] 2*8kB [ 252.191750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.193786] (M) [ 252.197931] cache_grow_begin+0x91/0x8c0 [ 252.200054] 1*16kB [ 252.205593] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.207556] (M) [ 252.211621] fallback_alloc+0x203/0x2e0 [ 252.213832] 1*32kB [ 252.218241] ____cache_alloc_node+0x1c7/0x1e0 [ 252.220187] (M) [ 252.224159] kmem_cache_alloc_node+0xe3/0x730 [ 252.226369] 3*64kB [ 252.230863] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.232809] (UM) [ 252.237310] __alloc_skb+0x119/0x770 [ 252.239513] 3*128kB (M) [ 252.243770] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.245806] 2*256kB [ 252.249518] ? skb_scrub_packet+0x490/0x490 [ 252.252161] (M) [ 252.257432] ? lock_downgrade+0x900/0x900 [ 252.259729] 3*512kB [ 252.264046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.265991] (M) [ 252.270139] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.272436] 4*1024kB [ 252.277964] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.279914] (UM) [ 252.285360] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.287745] 3*2048kB [ 252.293199] ndisc_alloc_skb+0x144/0x340 [ 252.295228] (M) [ 252.299636] ndisc_send_rs+0x331/0x6e0 [ 252.302020] 3*4096kB [ 252.306083] addrconf_rs_timer+0x3c0/0x6f0 [ 252.308030] (M) [ 252.311914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.314298] = 25232kB [ 252.318535] call_timer_fn+0x272/0x920 [ 252.320475] Node 0 [ 252.324704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.327088] Normal: [ 252.330972] ? process_timeout+0x40/0x40 [ 252.333181] 1065*4kB [ 252.337409] ? find_held_lock+0x36/0x1c0 [ 252.339706] (MEH) [ 252.343767] ? __run_timers+0x7da/0xc70 [ 252.346146] 487*8kB [ 252.350201] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.352329] (ME) [ 252.356297] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.358602] 153*16kB [ 252.363085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.365164] (MEH) [ 252.369656] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.372046] 77*32kB (UM) [ 252.376283] ? trace_hardirqs_on+0xbd/0x310 [ 252.378435] 0*64kB [ 252.383015] ? kasan_check_read+0x11/0x20 [ 252.385752] 1*128kB [ 252.390070] ? __run_timers+0x7da/0xc70 [ 252.392295] (H) [ 252.396438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.398740] 1*256kB [ 252.402708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.404655] (U) [ 252.410104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.412391] 1*512kB (U) [ 252.416632] __run_timers+0x7e5/0xc70 [ 252.418655] 0*1024kB [ 252.422891] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.425529] 0*2048kB [ 252.429327] ? compat_start_thread+0x80/0x80 [ 252.431717] 0*4096kB [ 252.437074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.439452] = 13964kB [ 252.439466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.443863] ? kasan_check_write+0x14/0x20 [ 252.446256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.451784] ? finish_task_switch+0x2f5/0x900 [ 252.454194] 412 total pagecache pages [ 252.463026] ? __switch_to_asm+0x40/0x70 [ 252.467238] 0 pages in swap cache [ 252.476325] ? preempt_notifier_register+0x200/0x200 [ 252.480802] Swap cache stats: add 0, delete 0, find 0/0 [ 252.484592] ? __switch_to_asm+0x34/0x70 [ 252.488634] Free swap = 0kB [ 252.492075] ? __switch_to_asm+0x40/0x70 [ 252.492091] ? __switch_to_asm+0x34/0x70 [ 252.497166] Total swap = 0kB [ 252.497175] 1965979 pages RAM [ 252.502530] ? __switch_to_asm+0x40/0x70 [ 252.506567] 0 pages HighMem/MovableOnly [ 252.506576] 343323 pages reserved [ 252.509582] ? __switch_to_asm+0x34/0x70 [ 252.509597] ? __switch_to_asm+0x40/0x70 [ 252.513641] 0 pages cma reserved [ 252.517703] ? pvclock_read_flags+0x160/0x160 [ 252.520756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.523782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.523797] ? check_preemption_disabled+0x48/0x200 [ 252.523822] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.527913] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.531828] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.535258] syz-executor0 cpuset= [ 252.539312] ? rcu_pm_notify+0xc0/0xc0 [ 252.543346] syz0 [ 252.546712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.551274] mems_allowed=0 [ 252.557848] ? check_preemption_disabled+0x48/0x200 [ 252.612344] run_timer_softirq+0x52/0xb0 [ 252.616418] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.621447] __do_softirq+0x30b/0xad8 [ 252.625264] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.630368] ? trace_hardirqs_off_caller+0x300/0x300 [ 252.635473] ? trace_hardirqs_on+0x310/0x310 [ 252.639893] ? schedule+0x108/0x460 [ 252.643526] ? __schedule+0x1ed0/0x1ed0 [ 252.647518] ? trace_hardirqs_off+0xb8/0x300 [ 252.651934] ? ___might_sleep+0x1ed/0x300 [ 252.656081] ? smpboot_thread_fn+0x68b/0xa00 [ 252.660498] ? trace_hardirqs_on+0x310/0x310 [ 252.664908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.670446] ? check_preemption_disabled+0x48/0x200 [ 252.675460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.681003] ? takeover_tasklets+0xa90/0xa90 [ 252.685415] run_ksoftirqd+0x94/0x100 [ 252.689219] smpboot_thread_fn+0x68b/0xa00 [ 252.693458] ? sort_range+0x30/0x30 [ 252.697086] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.702208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.707746] ? __kthread_parkme+0xfb/0x1a0 [ 252.712008] kthread+0x35a/0x420 [ 252.715388] ? sort_range+0x30/0x30 [ 252.719018] ? kthread_bind+0x40/0x40 [ 252.722823] ret_from_fork+0x3a/0x50 [ 252.726565] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 252.726645] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.733840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.733845] Call Trace: [ 252.733852] [ 252.733869] dump_stack+0x1c4/0x2b4 [ 252.733886] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.740414] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.749719] warn_alloc.cold.118+0xb7/0x1bd [ 252.752270] ksoftirqd/1 cpuset= [ 252.754412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.758014] / [ 252.763200] ? lock_downgrade+0x900/0x900 [ 252.773484] mems_allowed=0 [ 252.777804] ? trace_hardirqs_off+0xb8/0x300 [ 252.799065] ? trace_hardirqs_off+0xb8/0x300 [ 252.803495] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.808372] ? warn_alloc+0x120/0x120 [ 252.812179] ? warn_alloc+0x120/0x120 [ 252.815983] ? print_usage_bug+0xc0/0xc0 [ 252.820042] ? warn_alloc+0x120/0x120 [ 252.823849] ? print_usage_bug+0xc0/0xc0 [ 252.827913] ? __lock_acquire+0x7ec/0x4ec0 [ 252.832147] ? __lock_acquire+0x7ec/0x4ec0 [ 252.836388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.841926] ? should_fail+0x22d/0xd01 [ 252.845823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.850928] ? __lock_acquire+0x7ec/0x4ec0 [ 252.855168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.860269] ? __lock_acquire+0x7ec/0x4ec0 [ 252.864504] ? should_fail+0x22d/0xd01 [ 252.868406] ? mark_held_locks+0x130/0x130 [ 252.872644] ? mark_held_locks+0x130/0x130 [ 252.876883] ? graph_lock+0x170/0x170 [ 252.880698] ? graph_lock+0x170/0x170 [ 252.884500] ? graph_lock+0x170/0x170 [ 252.888303] ? print_usage_bug+0xc0/0xc0 [ 252.892369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.897910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.903451] ? check_preemption_disabled+0x48/0x200 [ 252.908465] ? check_preemption_disabled+0x48/0x200 [ 252.913496] ? __lock_is_held+0xb5/0x140 [ 252.917574] __alloc_pages_nodemask+0xa80/0xde0 [ 252.922249] ? graph_lock+0x170/0x170 [ 252.926055] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.931071] ? graph_lock+0x170/0x170 [ 252.934886] ? find_held_lock+0x36/0x1c0 [ 252.938963] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.943636] ? lock_downgrade+0x900/0x900 [ 252.947796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.953340] cache_grow_begin+0x91/0x8c0 [ 252.957402] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.961825] fallback_alloc+0x203/0x2e0 [ 252.965806] ____cache_alloc_node+0x1c7/0x1e0 [ 252.970308] kmem_cache_alloc_node+0xe3/0x730 [ 252.974808] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.979056] __alloc_skb+0x119/0x770 [ 252.982776] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.988059] ? skb_scrub_packet+0x490/0x490 [ 252.992384] ? lock_downgrade+0x900/0x900 [ 252.996550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.002093] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.007560] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.013015] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.017438] ndisc_alloc_skb+0x144/0x340 [ 253.021508] ndisc_send_rs+0x331/0x6e0 [ 253.025408] addrconf_rs_timer+0x3c0/0x6f0 [ 253.029649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.033897] call_timer_fn+0x272/0x920 [ 253.037783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.042025] ? process_timeout+0x40/0x40 [ 253.046084] ? find_held_lock+0x36/0x1c0 [ 253.050156] ? __run_timers+0x7da/0xc70 [ 253.054139] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.058634] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.063134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.067367] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.071956] ? trace_hardirqs_on+0xbd/0x310 [ 253.076275] ? kasan_check_read+0x11/0x20 [ 253.080424] ? __run_timers+0x7da/0xc70 [ 253.084399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.089860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.094105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.098345] __run_timers+0x7e5/0xc70 [ 253.102159] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.107621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.112640] ? graph_lock+0x170/0x170 [ 253.116444] ? enqueue_hrtimer+0x1a5/0x560 [ 253.120680] ? lock_release+0x970/0x970 [ 253.124656] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.129864] ? find_held_lock+0x36/0x1c0 [ 253.133951] ? graph_lock+0x170/0x170 [ 253.137931] ? pvclock_read_flags+0x160/0x160 [ 253.142430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.147968] ? check_preemption_disabled+0x48/0x200 [ 253.153000] ? __lock_is_held+0xb5/0x140 [ 253.157082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.162623] ? check_preemption_disabled+0x48/0x200 [ 253.167648] run_timer_softirq+0x52/0xb0 [ 253.171714] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.176731] __do_softirq+0x30b/0xad8 [ 253.180555] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.185671] ? pvclock_read_flags+0x160/0x160 [ 253.190169] ? lapic_next_event+0x5a/0x90 [ 253.194318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.199858] ? check_preemption_disabled+0x48/0x200 [ 253.204869] ? check_preemption_disabled+0x48/0x200 [ 253.209891] ? kvm_clock_read+0x18/0x30 [ 253.213865] ? kvm_sched_clock_read+0x9/0x20 [ 253.218280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.223814] ? check_preemption_disabled+0x48/0x200 [ 253.228844] irq_exit+0x17f/0x1c0 [ 253.232305] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.237146] ? smp_reschedule_interrupt+0x109/0x650 [ 253.242163] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.248048] ? interrupt_entry+0xb5/0xf0 [ 253.252112] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.257150] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.262170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.267016] ? trace_hardirqs_off+0x300/0x300 [ 253.271509] ? trace_hardirqs_off+0x300/0x300 [ 253.276011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.281559] ? check_preemption_disabled+0x48/0x200 [ 253.286577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.292130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.296984] apic_timer_interrupt+0xf/0x20 [ 253.301211] [ 253.303457] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.308392] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 253.327297] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 253.335007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.342689] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 253.349962] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 253.357232] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.364498] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 253.371817] skb_clone+0x1bb/0x500 [ 253.375359] ? finish_task_switch+0x1b5/0x900 [ 253.379858] ? skb_split+0x11e0/0x11e0 [ 253.383749] ? preempt_notifier_register+0x200/0x200 [ 253.388851] ? __switch_to_asm+0x34/0x70 [ 253.392915] ? __switch_to_asm+0x34/0x70 [ 253.396972] ? __switch_to_asm+0x40/0x70 [ 253.401030] ? __switch_to_asm+0x34/0x70 [ 253.405526] ? __switch_to_asm+0x40/0x70 [ 253.409595] ? __switch_to_asm+0x34/0x70 [ 253.413660] ? __switch_to_asm+0x40/0x70 [ 253.417720] ? __switch_to_asm+0x34/0x70 [ 253.421782] ? __switch_to_asm+0x34/0x70 [ 253.425842] ? __switch_to_asm+0x40/0x70 [ 253.429900] ? __switch_to_asm+0x34/0x70 [ 253.433977] bpf_clone_redirect+0xb9/0x490 [ 253.438215] ? __schedule+0x874/0x1ed0 [ 253.442114] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 253.447139] ? __sched_text_start+0x8/0x8 [ 253.451288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.456059] ? find_held_lock+0x36/0x1c0 [ 253.460128] ? lock_acquire+0x1ed/0x520 [ 253.464105] ? bpf_test_run+0x32e/0x5a0 [ 253.468086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.473630] ? check_preemption_disabled+0x48/0x200 [ 253.478650] ? kasan_check_read+0x11/0x20 [ 253.482801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.488096] ? rcu_bh_qs+0xc0/0xc0 [ 253.491642] ? preempt_schedule+0x4d/0x60 [ 253.495792] ? ___preempt_schedule+0x16/0x18 [ 253.500214] ? bpf_test_run+0x1c0/0x5a0 [ 253.504206] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.508628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.514170] ? bpf_test_init.isra.9+0x70/0x100 [ 253.518770] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.523539] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.528394] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.533935] ? fput+0x130/0x1a0 [ 253.537217] ? __bpf_prog_get+0x9b/0x290 [ 253.541309] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.546154] ? bpf_prog_test_run+0x130/0x1a0 [ 253.550575] ? __x64_sys_bpf+0x3d8/0x510 [ 253.554651] ? bpf_prog_get+0x20/0x20 [ 253.558465] ? ksys_ioctl+0x81/0xd0 [ 253.562108] ? do_syscall_64+0x1b9/0x820 [ 253.566174] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.571550] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.576486] ? trace_hardirqs_off+0x300/0x300 [ 253.580982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.585997] ? recalc_sigpending_tsk+0x180/0x180 [ 253.590752] ? kasan_check_write+0x14/0x20 [ 253.594997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.599849] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.605229] warn_alloc_show_mem: 1 callbacks suppressed [ 253.605240] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 253.605242] Mem-Info: [ 253.605273] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 253.605273] active_file:14 inactive_file:18 isolated_file:1 [ 253.605273] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.605273] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 253.605273] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 253.605273] free:13768 free_pcp:583 free_cma:0 [ 253.610615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.617458] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.619859] Call Trace: [ 253.652773] Node 0 [ 253.662140] dump_stack+0x1c4/0x2b4 [ 253.689814] 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 [ 253.692376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.694580] lowmem_reserve[]: [ 253.698212] warn_alloc.cold.118+0xb7/0x1bd [ 253.723688] 0 2815 [ 253.728896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.731959] 6318 6318 [ 253.736286] ? lock_downgrade+0x900/0x900 [ 253.738498] Node 0 [ 253.743340] ? trace_hardirqs_off+0xb8/0x300 [ 253.745830] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 253.749951] ? trace_hardirqs_off+0xb8/0x300 [ 253.752162] lowmem_reserve[]: [ 253.756576] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.783443] 0 0 [ 253.787894] ? warn_alloc+0x120/0x120 [ 253.790935] 3503 3503 [ 253.795795] ? warn_alloc+0x120/0x120 [ 253.797742] Node 0 [ 253.801539] ? print_usage_bug+0xc0/0xc0 [ 253.804041] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 253.807808] ? warn_alloc+0x120/0x120 [ 253.810023] lowmem_reserve[]: 0 [ 253.814091] ? print_usage_bug+0xc0/0xc0 [ 253.842531] 0 [ 253.846429] ? __lock_acquire+0x7ec/0x4ec0 [ 253.849677] 0 [ 253.853730] ? __lock_acquire+0x7ec/0x4ec0 [ 253.855506] 0 [ 253.859739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.865745] ? should_fail+0x22d/0xd01 [ 253.867519] Node 0 [ 253.873058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.876921] DMA: [ 253.879153] ? __lock_acquire+0x7ec/0x4ec0 [ 253.884230] 1*4kB [ 253.886288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.890495] (U) [ 253.892637] ? __lock_acquire+0x7ec/0x4ec0 [ 253.897719] 0*8kB [ 253.899699] ? should_fail+0x22d/0xd01 [ 253.903907] 0*16kB 1*32kB [ 253.906069] ? mark_held_locks+0x130/0x130 [ 253.909923] (U) [ 253.912763] ? mark_held_locks+0x130/0x130 [ 253.916969] 2*64kB [ 253.918940] ? graph_lock+0x170/0x170 [ 253.923150] (U) [ 253.925377] ? graph_lock+0x170/0x170 [ 253.929150] 1*128kB (U) [ 253.931177] ? graph_lock+0x170/0x170 [ 253.934950] 1*256kB (U) [ 253.937624] ? print_usage_bug+0xc0/0xc0 [ 253.941394] 0*512kB 1*1024kB [ 253.944069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.948095] (U) 1*2048kB [ 253.951211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.956719] (M) [ 253.959475] ? check_preemption_disabled+0x48/0x200 [ 253.964981] 3*4096kB (M) [ 253.966960] ? check_preemption_disabled+0x48/0x200 [ 253.971944] = 15908kB [ 253.971952] Node 0 [ 253.974717] ? __lock_is_held+0xb5/0x140 [ 253.979699] DMA32: [ 253.982115] __alloc_pages_nodemask+0xa80/0xde0 [ 253.984322] 4*4kB [ 253.988375] ? graph_lock+0x170/0x170 [ 253.990590] (UM) [ 253.995255] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.997372] 2*8kB (M) [ 254.001174] ? graph_lock+0x170/0x170 [ 254.003208] 1*16kB (M) [ 254.008235] ? find_held_lock+0x36/0x1c0 [ 254.010700] 1*32kB [ 254.014498] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.017053] (M) [ 254.021115] ? lock_downgrade+0x900/0x900 [ 254.023326] 3*64kB [ 254.027995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.029943] (UM) [ 254.034086] cache_grow_begin+0x91/0x8c0 [ 254.036295] 3*128kB [ 254.041827] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.043866] (M) [ 254.047927] fallback_alloc+0x203/0x2e0 [ 254.050224] 2*256kB [ 254.054628] ____cache_alloc_node+0x1c7/0x1e0 [ 254.056576] (M) [ 254.060554] kmem_cache_alloc_node+0xe3/0x730 [ 254.062855] 3*512kB [ 254.067345] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.069292] (M) [ 254.073790] __alloc_skb+0x119/0x770 [ 254.076109] 4*1024kB [ 254.080344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.082293] (UM) [ 254.086002] ? skb_scrub_packet+0x490/0x490 [ 254.088388] 3*2048kB [ 254.093658] ? lock_downgrade+0x900/0x900 [ 254.095698] (M) [ 254.100021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.102398] 3*4096kB (M) [ 254.106555] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.108506] = 25232kB [ 254.114033] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.116769] Node 0 [ 254.122217] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.124595] Normal: 1065*4kB [ 254.130057] ndisc_alloc_skb+0x144/0x340 [ 254.132259] (MEH) [ 254.136661] ndisc_send_rs+0x331/0x6e0 [ 254.139742] 487*8kB [ 254.143798] addrconf_rs_timer+0x3c0/0x6f0 [ 254.145917] (ME) [ 254.149803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.152099] 153*16kB [ 254.156346] call_timer_fn+0x272/0x920 [ 254.158375] (MEH) [ 254.162607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.165004] 77*32kB (UM) [ 254.168898] ? process_timeout+0x40/0x40 [ 254.171029] 0*64kB [ 254.175281] ? find_held_lock+0x36/0x1c0 [ 254.178012] 1*128kB [ 254.182073] ? __run_timers+0x7da/0xc70 [ 254.184278] (H) [ 254.188335] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.190626] 1*256kB (U) [ 254.194606] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.196566] 1*512kB [ 254.201057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.203702] (U) [ 254.208278] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.210576] 0*1024kB [ 254.214804] ? trace_hardirqs_on+0xbd/0x310 [ 254.216759] 0*2048kB [ 254.221331] ? kasan_check_read+0x11/0x20 [ 254.223719] 0*4096kB [ 254.228035] ? __run_timers+0x7da/0xc70 [ 254.230412] = 13964kB [ 254.230426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.234571] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.236990] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.240953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.243335] 412 total pagecache pages [ 254.252166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.257594] 0 pages in swap cache [ 254.266161] __run_timers+0x7e5/0xc70 [ 254.270369] Swap cache stats: add 0, delete 0, find 0/0 [ 254.274166] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.278378] Free swap = 0kB [ 254.281834] ? compat_start_thread+0x80/0x80 [ 254.285616] Total swap = 0kB [ 254.290976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.296307] 1965979 pages RAM [ 254.299319] ? kasan_check_write+0x14/0x20 [ 254.303700] 0 pages HighMem/MovableOnly [ 254.306715] ? finish_task_switch+0x2f5/0x900 [ 254.312224] 343323 pages reserved [ 254.315328] ? __switch_to_asm+0x40/0x70 [ 254.319533] 0 pages cma reserved [ 254.323509] ? preempt_notifier_register+0x200/0x200 [ 254.328041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.331423] ? __switch_to_asm+0x34/0x70 [ 254.335560] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.338818] ? __switch_to_asm+0x40/0x70 [ 254.343898] syz-executor0 cpuset= [ 254.350376] ? __switch_to_asm+0x34/0x70 [ 254.350391] ? __switch_to_asm+0x40/0x70 [ 254.354471] syz0 [ 254.364963] ? __switch_to_asm+0x34/0x70 [ 254.364978] ? __switch_to_asm+0x40/0x70 [ 254.369025] mems_allowed=0 [ 254.372477] ? pvclock_read_flags+0x160/0x160 [ 254.398037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.403578] ? check_preemption_disabled+0x48/0x200 [ 254.408606] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 254.414149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.419429] ? rcu_pm_notify+0xc0/0xc0 [ 254.423318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.428856] ? check_preemption_disabled+0x48/0x200 [ 254.433902] run_timer_softirq+0x52/0xb0 [ 254.437963] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.442983] __do_softirq+0x30b/0xad8 [ 254.446801] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.451910] ? trace_hardirqs_off_caller+0x300/0x300 [ 254.457038] ? trace_hardirqs_on+0x310/0x310 [ 254.461460] ? schedule+0x108/0x460 [ 254.465092] ? __schedule+0x1ed0/0x1ed0 [ 254.469083] ? trace_hardirqs_off+0xb8/0x300 [ 254.473989] ? ___might_sleep+0x1ed/0x300 [ 254.478139] ? smpboot_thread_fn+0x68b/0xa00 [ 254.482563] ? trace_hardirqs_on+0x310/0x310 [ 254.486977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.492518] ? check_preemption_disabled+0x48/0x200 [ 254.497550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.503094] ? takeover_tasklets+0xa90/0xa90 [ 254.507514] run_ksoftirqd+0x94/0x100 [ 254.511329] smpboot_thread_fn+0x68b/0xa00 [ 254.515575] ? sort_range+0x30/0x30 [ 254.519208] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.524318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.529873] ? __kthread_parkme+0xfb/0x1a0 [ 254.534124] kthread+0x35a/0x420 [ 254.537490] ? sort_range+0x30/0x30 [ 254.541118] ? kthread_bind+0x40/0x40 [ 254.544923] ret_from_fork+0x3a/0x50 [ 254.548667] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 254.548746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.555943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.555948] Call Trace: [ 254.555955] [ 254.555971] dump_stack+0x1c4/0x2b4 [ 254.555990] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.562567] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.571830] warn_alloc.cold.118+0xb7/0x1bd [ 254.574382] ksoftirqd/1 cpuset= [ 254.576526] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.580129] / [ 254.585313] ? lock_downgrade+0x900/0x900 [ 254.595612] mems_allowed=0 [ 254.599935] ? trace_hardirqs_off+0xb8/0x300 [ 254.621199] ? trace_hardirqs_off+0xb8/0x300 [ 254.625630] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.630509] ? warn_alloc+0x120/0x120 [ 254.634321] ? trace_hardirqs_on+0x310/0x310 [ 254.638731] ? warn_alloc+0x120/0x120 [ 254.642538] ? print_usage_bug+0xc0/0xc0 [ 254.646622] ? warn_alloc+0x120/0x120 [ 254.650428] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 254.655458] ? print_usage_bug+0xc0/0xc0 [ 254.659524] ? __lock_acquire+0x7ec/0x4ec0 [ 254.663769] ? __lock_acquire+0x7ec/0x4ec0 [ 254.668014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.673564] ? should_fail+0x22d/0xd01 [ 254.677464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.682578] ? __lock_acquire+0x7ec/0x4ec0 [ 254.686822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.691925] ? __lock_acquire+0x7ec/0x4ec0 [ 254.696161] ? should_fail+0x22d/0xd01 [ 254.700046] ? print_usage_bug+0xc0/0xc0 [ 254.704116] ? mark_held_locks+0x130/0x130 [ 254.708356] ? mark_held_locks+0x130/0x130 [ 254.712611] ? graph_lock+0x170/0x170 [ 254.716417] ? print_usage_bug+0xc0/0xc0 [ 254.720480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.725243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.730780] ? check_preemption_disabled+0x48/0x200 [ 254.735796] ? check_preemption_disabled+0x48/0x200 [ 254.740827] ? __lock_is_held+0xb5/0x140 [ 254.744895] __alloc_pages_nodemask+0xa80/0xde0 [ 254.749574] ? graph_lock+0x170/0x170 [ 254.753385] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.758417] ? graph_lock+0x170/0x170 [ 254.762232] ? find_held_lock+0x36/0x1c0 [ 254.766303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.770975] ? lock_downgrade+0x900/0x900 [ 254.775136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.780696] cache_grow_begin+0x91/0x8c0 [ 254.784762] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.789187] fallback_alloc+0x203/0x2e0 [ 254.793172] ____cache_alloc_node+0x1c7/0x1e0 [ 254.797675] kmem_cache_alloc_node+0xe3/0x730 [ 254.802172] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.806418] __alloc_skb+0x119/0x770 [ 254.810134] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.815435] ? skb_scrub_packet+0x490/0x490 [ 254.819759] ? lock_downgrade+0x900/0x900 [ 254.823968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.829512] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.834976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.840429] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.844855] ndisc_alloc_skb+0x144/0x340 [ 254.848929] ndisc_send_rs+0x331/0x6e0 [ 254.852825] addrconf_rs_timer+0x3c0/0x6f0 [ 254.857070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.861322] call_timer_fn+0x272/0x920 [ 254.865211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.869461] ? process_timeout+0x40/0x40 [ 254.873523] ? find_held_lock+0x36/0x1c0 [ 254.877608] ? __run_timers+0x7da/0xc70 [ 254.881588] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.886087] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.890585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.894829] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.899418] ? trace_hardirqs_on+0xbd/0x310 [ 254.903739] ? kasan_check_read+0x11/0x20 [ 254.907890] ? __run_timers+0x7da/0xc70 [ 254.911870] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.917326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.921575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.925816] __run_timers+0x7e5/0xc70 [ 254.929637] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.935004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.940021] ? graph_lock+0x170/0x170 [ 254.943825] ? enqueue_hrtimer+0x1a5/0x560 [ 254.948060] ? lock_release+0x970/0x970 [ 254.952035] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.957230] ? find_held_lock+0x36/0x1c0 [ 254.961295] ? graph_lock+0x170/0x170 [ 254.965099] ? pvclock_read_flags+0x160/0x160 [ 254.969604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.975147] ? check_preemption_disabled+0x48/0x200 [ 254.980180] ? __lock_is_held+0xb5/0x140 [ 254.984247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.989790] ? check_preemption_disabled+0x48/0x200 [ 254.994817] run_timer_softirq+0x52/0xb0 [ 254.998884] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.003906] __do_softirq+0x30b/0xad8 [ 255.007719] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.012831] ? pvclock_read_flags+0x160/0x160 [ 255.017330] ? lapic_next_event+0x5a/0x90 [ 255.021482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.027022] ? check_preemption_disabled+0x48/0x200 [ 255.032042] ? check_preemption_disabled+0x48/0x200 [ 255.037075] ? kvm_clock_read+0x18/0x30 [ 255.041056] ? kvm_sched_clock_read+0x9/0x20 [ 255.045469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.051005] ? check_preemption_disabled+0x48/0x200 [ 255.056032] irq_exit+0x17f/0x1c0 [ 255.059496] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.064345] ? smp_reschedule_interrupt+0x109/0x650 [ 255.069368] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.075254] ? interrupt_entry+0xb5/0xf0 [ 255.079319] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.084366] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.089384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.094229] ? trace_hardirqs_off+0x300/0x300 [ 255.098729] ? trace_hardirqs_off+0x300/0x300 [ 255.103246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.108785] ? check_preemption_disabled+0x48/0x200 [ 255.113803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.119353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.124227] apic_timer_interrupt+0xf/0x20 [ 255.128478] [ 255.130719] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.135654] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 255.154573] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 255.162291] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.169566] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 255.176841] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 255.184115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.191406] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.198725] skb_clone+0x1bb/0x500 [ 255.202267] ? finish_task_switch+0x1b5/0x900 [ 255.206763] ? skb_split+0x11e0/0x11e0 [ 255.210652] ? preempt_notifier_register+0x200/0x200 [ 255.215759] ? __switch_to_asm+0x34/0x70 [ 255.219824] ? __switch_to_asm+0x34/0x70 [ 255.223881] ? __switch_to_asm+0x40/0x70 [ 255.227939] ? __switch_to_asm+0x34/0x70 [ 255.231997] ? __switch_to_asm+0x40/0x70 [ 255.236054] ? __switch_to_asm+0x34/0x70 [ 255.240116] ? __switch_to_asm+0x40/0x70 [ 255.244174] ? __switch_to_asm+0x34/0x70 [ 255.248239] ? __switch_to_asm+0x34/0x70 [ 255.252299] ? __switch_to_asm+0x40/0x70 [ 255.256361] ? __switch_to_asm+0x34/0x70 [ 255.260434] bpf_clone_redirect+0xb9/0x490 [ 255.264672] ? __schedule+0x874/0x1ed0 [ 255.268574] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 255.273606] ? __sched_text_start+0x8/0x8 [ 255.277759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.282540] ? find_held_lock+0x36/0x1c0 [ 255.286633] ? lock_acquire+0x1ed/0x520 [ 255.290620] ? bpf_test_run+0x32e/0x5a0 [ 255.294606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.300144] ? check_preemption_disabled+0x48/0x200 [ 255.305165] ? kasan_check_read+0x11/0x20 [ 255.309316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.314613] ? rcu_bh_qs+0xc0/0xc0 [ 255.318163] ? preempt_schedule+0x4d/0x60 [ 255.322315] ? ___preempt_schedule+0x16/0x18 [ 255.326736] ? bpf_test_run+0x1c0/0x5a0 [ 255.330722] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.335139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.341136] ? bpf_test_init.isra.9+0x70/0x100 [ 255.345731] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.350498] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.355345] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.360882] ? fput+0x130/0x1a0 [ 255.364163] ? __bpf_prog_get+0x9b/0x290 [ 255.368231] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.373073] ? bpf_prog_test_run+0x130/0x1a0 [ 255.377495] ? __x64_sys_bpf+0x3d8/0x510 [ 255.381566] ? bpf_prog_get+0x20/0x20 [ 255.385382] ? ksys_ioctl+0x81/0xd0 [ 255.389024] ? do_syscall_64+0x1b9/0x820 [ 255.393087] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.398459] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.403393] ? trace_hardirqs_off+0x300/0x300 [ 255.407890] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.412906] ? recalc_sigpending_tsk+0x180/0x180 [ 255.417662] ? kasan_check_write+0x14/0x20 [ 255.421910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.426764] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.432144] warn_alloc_show_mem: 1 callbacks suppressed [ 255.432155] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 255.432157] Mem-Info: [ 255.432189] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 255.432189] active_file:14 inactive_file:18 isolated_file:1 [ 255.432189] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.432189] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 255.432189] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 255.432189] free:13768 free_pcp:583 free_cma:0 [ 255.437532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.444385] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.446787] Call Trace: [ 255.479679] Node 0 [ 255.489050] dump_stack+0x1c4/0x2b4 [ 255.516737] 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 [ 255.519306] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.521508] lowmem_reserve[]: 0 [ 255.525154] warn_alloc.cold.118+0xb7/0x1bd [ 255.550633] 2815 [ 255.555832] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.559071] 6318 6318 [ 255.563406] ? lock_downgrade+0x900/0x900 [ 255.570281] ? trace_hardirqs_off+0xb8/0x300 [ 255.572747] Node 0 [ 255.576900] ? trace_hardirqs_off+0xb8/0x300 [ 255.581305] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 255.583515] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.587890] lowmem_reserve[]: [ 255.614816] ? warn_alloc+0x120/0x120 [ 255.619616] 0 [ 255.622722] ? warn_alloc+0x120/0x120 [ 255.626488] 0 3503 [ 255.628306] ? print_usage_bug+0xc0/0xc0 [ 255.632071] 3503 [ 255.634314] ? warn_alloc+0x120/0x120 [ 255.638354] Node 0 [ 255.640412] ? print_usage_bug+0xc0/0xc0 [ 255.644228] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 255.646437] ? __lock_acquire+0x7ec/0x4ec0 [ 255.650465] lowmem_reserve[]: 0 [ 255.678940] ? __lock_acquire+0x7ec/0x4ec0 [ 255.683144] 0 [ 255.686423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.690628] 0 [ 255.692433] ? should_fail+0x22d/0xd01 [ 255.697932] 0 [ 255.699748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.703608] Node 0 [ 255.705403] ? __lock_acquire+0x7ec/0x4ec0 [ 255.710473] DMA: 1*4kB [ 255.712718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.716922] (U) [ 255.719507] ? __lock_acquire+0x7ec/0x4ec0 [ 255.724582] 0*8kB [ 255.726565] ? should_fail+0x22d/0xd01 [ 255.730767] 0*16kB 1*32kB [ 255.732923] ? print_usage_bug+0xc0/0xc0 [ 255.736782] (U) [ 255.739632] ? mark_held_locks+0x130/0x130 [ 255.743652] 2*64kB (U) [ 255.745631] ? mark_held_locks+0x130/0x130 [ 255.749836] 1*128kB (U) [ 255.752434] ? graph_lock+0x170/0x170 [ 255.756641] 1*256kB [ 255.759307] ? print_usage_bug+0xc0/0xc0 [ 255.763079] (U) [ 255.765408] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.769440] 0*512kB [ 255.771413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.776135] 1*1024kB (U) [ 255.778482] ? check_preemption_disabled+0x48/0x200 [ 255.783998] 1*2048kB [ 255.786758] ? check_preemption_disabled+0x48/0x200 [ 255.791751] (M) [ 255.794171] ? __lock_is_held+0xb5/0x140 [ 255.799149] 3*4096kB [ 255.801131] __alloc_pages_nodemask+0xa80/0xde0 [ 255.805155] (M) [ 255.807573] ? graph_lock+0x170/0x170 [ 255.812207] = 15908kB [ 255.812216] Node 0 [ 255.814189] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.817957] DMA32: [ 255.820363] ? graph_lock+0x170/0x170 [ 255.822578] 4*4kB [ 255.827593] ? find_held_lock+0x36/0x1c0 [ 255.829794] (UM) [ 255.833611] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.835735] 2*8kB [ 255.839787] ? lock_downgrade+0x900/0x900 [ 255.841818] (M) 1*16kB [ 255.846496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.848618] (M) [ 255.852760] cache_grow_begin+0x91/0x8c0 [ 255.855321] 1*32kB [ 255.860856] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.862807] (M) 3*64kB [ 255.866876] fallback_alloc+0x203/0x2e0 [ 255.869085] (UM) [ 255.873498] ____cache_alloc_node+0x1c7/0x1e0 [ 255.876056] 3*128kB [ 255.880026] kmem_cache_alloc_node+0xe3/0x730 [ 255.882054] (M) 2*256kB [ 255.886561] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.888847] (M) 3*512kB [ 255.893442] __alloc_skb+0x119/0x770 [ 255.896073] (M) 4*1024kB [ 255.900324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.902966] (UM) [ 255.906678] ? skb_scrub_packet+0x490/0x490 [ 255.909405] 3*2048kB [ 255.914674] ? lock_downgrade+0x900/0x900 [ 255.916712] (M) [ 255.921037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.923421] 3*4096kB [ 255.927570] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.929524] (M) [ 255.935061] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.937447] = 25232kB [ 255.942893] ? addrconf_rs_timer+0x6f0/0x6f0 [ 255.944841] Node 0 [ 255.950294] ndisc_alloc_skb+0x144/0x340 [ 255.952662] Normal: 1065*4kB [ 255.957074] ndisc_send_rs+0x331/0x6e0 [ 255.959282] (MEH) [ 255.963341] addrconf_rs_timer+0x3c0/0x6f0 [ 255.966418] 487*8kB [ 255.970303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.972426] (ME) [ 255.976667] call_timer_fn+0x272/0x920 [ 255.978955] 153*16kB [ 255.983184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.985225] (MEH) [ 255.989120] ? process_timeout+0x40/0x40 [ 255.991501] 77*32kB [ 255.995733] ? find_held_lock+0x36/0x1c0 [ 255.997855] (UM) [ 256.001914] ? __run_timers+0x7da/0xc70 [ 256.004208] 0*64kB [ 256.008265] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.010307] 1*128kB [ 256.014273] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.016487] (H) [ 256.020980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.023280] 1*256kB [ 256.027791] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.029740] (U) [ 256.033968] ? trace_hardirqs_on+0xbd/0x310 [ 256.036268] 1*512kB [ 256.040843] ? kasan_check_read+0x11/0x20 [ 256.040862] ? __run_timers+0x7da/0xc70 [ 256.042814] (U) [ 256.047137] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.049433] 0*1024kB [ 256.053582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.057523] 0*2048kB 0*4096kB [ 256.059512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.064929] = 13964kB [ 256.064942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.067347] __run_timers+0x7e5/0xc70 [ 256.071566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.074775] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.078974] 412 total pagecache pages [ 256.081380] ? compat_start_thread+0x80/0x80 [ 256.090193] 0 pages in swap cache [ 256.093987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.102562] Swap cache stats: add 0, delete 0, find 0/0 [ 256.107919] ? kasan_check_write+0x14/0x20 [ 256.111689] Free swap = 0kB [ 256.116097] ? finish_task_switch+0x2f5/0x900 [ 256.119517] Total swap = 0kB [ 256.119525] 1965979 pages RAM [ 256.125062] ? __switch_to_asm+0x40/0x70 [ 256.130443] 0 pages HighMem/MovableOnly [ 256.130452] 343323 pages reserved [ 256.134685] ? preempt_notifier_register+0x200/0x200 [ 256.137677] 0 pages cma reserved [ 256.142165] ? __switch_to_asm+0x34/0x70 [ 256.145225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.148248] ? __switch_to_asm+0x40/0x70 [ 256.148264] ? __switch_to_asm+0x34/0x70 [ 256.152406] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.156278] ? __switch_to_asm+0x40/0x70 [ 256.159713] syz-executor0 cpuset= [ 256.164802] ? __switch_to_asm+0x34/0x70 [ 256.164818] ? __switch_to_asm+0x40/0x70 [ 256.168165] syz0 [ 256.172228] ? pvclock_read_flags+0x160/0x160 [ 256.178776] mems_allowed=0 [ 256.182831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.227814] ? check_preemption_disabled+0x48/0x200 [ 256.232845] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 256.238382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.243665] ? rcu_pm_notify+0xc0/0xc0 [ 256.247565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.253114] ? check_preemption_disabled+0x48/0x200 [ 256.258149] run_timer_softirq+0x52/0xb0 [ 256.262215] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.267235] __do_softirq+0x30b/0xad8 [ 256.271049] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.276153] ? trace_hardirqs_off_caller+0x300/0x300 [ 256.281261] ? trace_hardirqs_on+0x310/0x310 [ 256.285679] ? schedule+0x108/0x460 [ 256.289315] ? __schedule+0x1ed0/0x1ed0 [ 256.293308] ? trace_hardirqs_off+0xb8/0x300 [ 256.297727] ? ___might_sleep+0x1ed/0x300 [ 256.301904] ? smpboot_thread_fn+0x68b/0xa00 [ 256.306317] ? trace_hardirqs_on+0x310/0x310 [ 256.310750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.316293] ? check_preemption_disabled+0x48/0x200 [ 256.321311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.326867] ? takeover_tasklets+0xa90/0xa90 [ 256.331286] run_ksoftirqd+0x94/0x100 [ 256.335088] smpboot_thread_fn+0x68b/0xa00 [ 256.339335] ? sort_range+0x30/0x30 [ 256.342966] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.348071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.353702] ? __kthread_parkme+0xfb/0x1a0 [ 256.357946] kthread+0x35a/0x420 [ 256.361490] ? sort_range+0x30/0x30 [ 256.365123] ? kthread_bind+0x40/0x40 [ 256.368929] ret_from_fork+0x3a/0x50 [ 256.372663] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 256.372761] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.379935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.379944] Call Trace: [ 256.386541] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.395765] [ 256.398333] ksoftirqd/1 cpuset= [ 256.408644] dump_stack+0x1c4/0x2b4 [ 256.410766] / [ 256.414045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.417652] mems_allowed=0 [ 256.419477] warn_alloc.cold.118+0xb7/0x1bd [ 256.431876] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.436721] ? lock_downgrade+0x900/0x900 [ 256.440879] ? trace_hardirqs_off+0xb8/0x300 [ 256.445297] ? trace_hardirqs_off+0xb8/0x300 [ 256.449719] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.454607] ? warn_alloc+0x120/0x120 [ 256.458417] ? trace_hardirqs_on+0x310/0x310 [ 256.462828] ? warn_alloc+0x120/0x120 [ 256.466649] ? print_usage_bug+0xc0/0xc0 [ 256.470896] ? warn_alloc+0x120/0x120 [ 256.474697] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 256.479720] ? print_usage_bug+0xc0/0xc0 [ 256.483786] ? __lock_acquire+0x7ec/0x4ec0 [ 256.488025] ? __lock_acquire+0x7ec/0x4ec0 [ 256.492262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.497803] ? should_fail+0x22d/0xd01 [ 256.501700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.506807] ? __lock_acquire+0x7ec/0x4ec0 [ 256.511052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.516161] ? __lock_acquire+0x7ec/0x4ec0 [ 256.520415] ? should_fail+0x22d/0xd01 [ 256.524299] ? print_usage_bug+0xc0/0xc0 [ 256.528370] ? mark_held_locks+0x130/0x130 [ 256.532616] ? mark_held_locks+0x130/0x130 [ 256.536860] ? graph_lock+0x170/0x170 [ 256.540664] ? print_usage_bug+0xc0/0xc0 [ 256.544730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.549514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.555058] ? check_preemption_disabled+0x48/0x200 [ 256.560071] ? check_preemption_disabled+0x48/0x200 [ 256.565104] ? __lock_is_held+0xb5/0x140 [ 256.569178] __alloc_pages_nodemask+0xa80/0xde0 [ 256.573852] ? graph_lock+0x170/0x170 [ 256.577662] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.582675] ? graph_lock+0x170/0x170 [ 256.586485] ? find_held_lock+0x36/0x1c0 [ 256.590567] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.595243] ? lock_downgrade+0x900/0x900 [ 256.599399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.604947] cache_grow_begin+0x91/0x8c0 [ 256.609011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.613427] fallback_alloc+0x203/0x2e0 [ 256.617411] ____cache_alloc_node+0x1c7/0x1e0 [ 256.621913] kmem_cache_alloc_node+0xe3/0x730 [ 256.626409] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.630660] __alloc_skb+0x119/0x770 [ 256.634380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.639662] ? skb_scrub_packet+0x490/0x490 [ 256.643983] ? lock_downgrade+0x900/0x900 [ 256.648144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.653685] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.659145] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.664609] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.669035] ndisc_alloc_skb+0x144/0x340 [ 256.673102] ndisc_send_rs+0x331/0x6e0 [ 256.677000] addrconf_rs_timer+0x3c0/0x6f0 [ 256.681246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.685498] call_timer_fn+0x272/0x920 [ 256.689392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.693634] ? process_timeout+0x40/0x40 [ 256.697693] ? find_held_lock+0x36/0x1c0 [ 256.701764] ? __run_timers+0x7da/0xc70 [ 256.705744] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.710243] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.714738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.718981] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.723571] ? trace_hardirqs_on+0xbd/0x310 [ 256.727896] ? kasan_check_read+0x11/0x20 [ 256.732045] ? __run_timers+0x7da/0xc70 [ 256.736024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.741483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.745731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.749984] __run_timers+0x7e5/0xc70 [ 256.753816] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.759194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.764214] ? graph_lock+0x170/0x170 [ 256.768019] ? enqueue_hrtimer+0x1a5/0x560 [ 256.772252] ? lock_release+0x970/0x970 [ 256.776229] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.781430] ? find_held_lock+0x36/0x1c0 [ 256.785497] ? graph_lock+0x170/0x170 [ 256.789327] ? pvclock_read_flags+0x160/0x160 [ 256.793831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.799371] ? check_preemption_disabled+0x48/0x200 [ 256.804408] ? __lock_is_held+0xb5/0x140 [ 256.808475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.814014] ? check_preemption_disabled+0x48/0x200 [ 256.819047] run_timer_softirq+0x52/0xb0 [ 256.823110] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.828138] __do_softirq+0x30b/0xad8 [ 256.831955] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.837073] ? pvclock_read_flags+0x160/0x160 [ 256.841580] ? lapic_next_event+0x5a/0x90 [ 256.845734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.851280] ? check_preemption_disabled+0x48/0x200 [ 256.856299] ? check_preemption_disabled+0x48/0x200 [ 256.861323] ? kvm_clock_read+0x18/0x30 [ 256.865297] ? kvm_sched_clock_read+0x9/0x20 [ 256.869711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.875252] ? check_preemption_disabled+0x48/0x200 [ 256.880298] irq_exit+0x17f/0x1c0 [ 256.883759] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.888615] ? smp_reschedule_interrupt+0x109/0x650 [ 256.893642] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.899533] ? interrupt_entry+0xb5/0xf0 [ 256.903614] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.908637] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.913660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.918503] ? trace_hardirqs_off+0x300/0x300 [ 256.922995] ? trace_hardirqs_off+0x300/0x300 [ 256.927493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.933039] ? check_preemption_disabled+0x48/0x200 [ 256.938057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.943612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.948468] apic_timer_interrupt+0xf/0x20 [ 256.952696] [ 256.954936] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.959870] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 256.978779] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 256.986500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 256.993773] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 257.001044] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 257.008319] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.015588] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.022909] skb_clone+0x1bb/0x500 [ 257.026456] ? finish_task_switch+0x1b5/0x900 [ 257.030957] ? skb_split+0x11e0/0x11e0 [ 257.034850] ? preempt_notifier_register+0x200/0x200 [ 257.039953] ? __switch_to_asm+0x34/0x70 [ 257.044013] ? __switch_to_asm+0x34/0x70 [ 257.048071] ? __switch_to_asm+0x40/0x70 [ 257.052129] ? __switch_to_asm+0x34/0x70 [ 257.056191] ? __switch_to_asm+0x40/0x70 [ 257.060249] ? __switch_to_asm+0x34/0x70 [ 257.064312] ? __switch_to_asm+0x40/0x70 [ 257.068376] ? __switch_to_asm+0x34/0x70 [ 257.072440] ? __switch_to_asm+0x34/0x70 [ 257.076500] ? __switch_to_asm+0x40/0x70 [ 257.080567] ? __switch_to_asm+0x34/0x70 [ 257.084644] bpf_clone_redirect+0xb9/0x490 [ 257.088886] ? __schedule+0x874/0x1ed0 [ 257.092780] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 257.097997] ? __sched_text_start+0x8/0x8 [ 257.102147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.106918] ? find_held_lock+0x36/0x1c0 [ 257.110984] ? lock_acquire+0x1ed/0x520 [ 257.114962] ? bpf_test_run+0x32e/0x5a0 [ 257.118939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.124478] ? check_preemption_disabled+0x48/0x200 [ 257.129502] ? kasan_check_read+0x11/0x20 [ 257.133654] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.138940] ? rcu_bh_qs+0xc0/0xc0 [ 257.142489] ? preempt_schedule+0x4d/0x60 [ 257.146644] ? ___preempt_schedule+0x16/0x18 [ 257.151067] ? bpf_test_run+0x1c0/0x5a0 [ 257.155059] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.159478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.165017] ? bpf_test_init.isra.9+0x70/0x100 [ 257.169612] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.174377] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.179221] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.184933] ? fput+0x130/0x1a0 [ 257.188216] ? __bpf_prog_get+0x9b/0x290 [ 257.192310] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.197152] ? bpf_prog_test_run+0x130/0x1a0 [ 257.201576] ? __x64_sys_bpf+0x3d8/0x510 [ 257.205646] ? bpf_prog_get+0x20/0x20 [ 257.209458] ? ksys_ioctl+0x81/0xd0 [ 257.213095] ? do_syscall_64+0x1b9/0x820 [ 257.217159] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.222530] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.227472] ? trace_hardirqs_off+0x300/0x300 [ 257.231974] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.236990] ? recalc_sigpending_tsk+0x180/0x180 [ 257.241747] ? kasan_check_write+0x14/0x20 [ 257.245990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.250846] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.256234] warn_alloc_show_mem: 1 callbacks suppressed [ 257.256246] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 257.256248] Mem-Info: [ 257.256280] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 257.256280] active_file:14 inactive_file:18 isolated_file:1 [ 257.256280] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.256280] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 257.256280] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 257.256280] free:13768 free_pcp:583 free_cma:0 [ 257.261622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.268470] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.270874] Call Trace: [ 257.303753] Node 0 [ 257.313126] dump_stack+0x1c4/0x2b4 [ 257.341250] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.343829] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.346027] lowmem_reserve[]: 0 [ 257.349678] warn_alloc.cold.118+0xb7/0x1bd [ 257.375146] 2815 6318 [ 257.380357] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.383593] 6318 [ 257.387924] ? lock_downgrade+0x900/0x900 [ 257.390390] Node 0 [ 257.395229] ? trace_hardirqs_off+0xb8/0x300 [ 257.397286] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 257.401404] ? trace_hardirqs_off+0xb8/0x300 [ 257.403614] lowmem_reserve[]: [ 257.408022] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.434892] 0 [ 257.439333] ? warn_alloc+0x120/0x120 [ 257.442377] 0 3503 [ 257.447234] ? warn_alloc+0x120/0x120 [ 257.449003] 3503 [ 257.452797] ? print_usage_bug+0xc0/0xc0 [ 257.455007] Node 0 [ 257.458803] ? warn_alloc+0x120/0x120 [ 257.460869] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 257.464897] ? print_usage_bug+0xc0/0xc0 [ 257.467104] lowmem_reserve[]: 0 [ 257.470909] ? __lock_acquire+0x7ec/0x4ec0 [ 257.499349] 0 [ 257.503416] ? __lock_acquire+0x7ec/0x4ec0 [ 257.506671] 0 [ 257.510921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.512702] 0 [ 257.516958] ? should_fail+0x22d/0xd01 [ 257.518730] Node 0 [ 257.524284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.526061] DMA: [ 257.529943] ? __lock_acquire+0x7ec/0x4ec0 [ 257.532160] 1*4kB [ 257.537260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.539293] (U) [ 257.543526] ? __lock_acquire+0x7ec/0x4ec0 [ 257.545649] 0*8kB [ 257.550750] ? should_fail+0x22d/0xd01 [ 257.552699] 0*16kB [ 257.556927] ? print_usage_bug+0xc0/0xc0 [ 257.559053] 1*32kB [ 257.562945] ? mark_held_locks+0x130/0x130 [ 257.565147] (U) [ 257.569207] ? mark_held_locks+0x130/0x130 [ 257.571416] 2*64kB [ 257.575657] ? graph_lock+0x170/0x170 [ 257.577609] (U) [ 257.581829] ? print_usage_bug+0xc0/0xc0 [ 257.584037] 1*128kB (U) [ 257.587850] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.589805] 1*256kB [ 257.593861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.596504] (U) [ 257.601255] ? check_preemption_disabled+0x48/0x200 [ 257.603556] 0*512kB 1*1024kB [ 257.609096] ? check_preemption_disabled+0x48/0x200 [ 257.611050] (U) [ 257.616067] ? __lock_is_held+0xb5/0x140 [ 257.619140] 1*2048kB [ 257.624151] __alloc_pages_nodemask+0xa80/0xde0 [ 257.626098] (M) [ 257.630159] ? graph_lock+0x170/0x170 [ 257.632554] 3*4096kB [ 257.637216] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.639171] (M) [ 257.642964] ? graph_lock+0x170/0x170 [ 257.645353] = 15908kB [ 257.650368] ? find_held_lock+0x36/0x1c0 [ 257.652313] Node 0 [ 257.656116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.658489] DMA32: [ 257.662540] ? lock_downgrade+0x900/0x900 [ 257.664762] 4*4kB [ 257.669428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.671640] (UM) [ 257.675784] cache_grow_begin+0x91/0x8c0 [ 257.677904] 2*8kB [ 257.683433] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.685469] (M) [ 257.689528] fallback_alloc+0x203/0x2e0 [ 257.691652] 1*16kB [ 257.696059] ____cache_alloc_node+0x1c7/0x1e0 [ 257.698004] (M) [ 257.701976] kmem_cache_alloc_node+0xe3/0x730 [ 257.704186] 1*32kB [ 257.708679] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.710628] (M) [ 257.715125] __alloc_skb+0x119/0x770 [ 257.717326] 3*64kB [ 257.721563] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.723508] (UM) [ 257.727219] ? skb_scrub_packet+0x490/0x490 [ 257.729433] 3*128kB [ 257.734704] ? lock_downgrade+0x900/0x900 [ 257.736741] (M) [ 257.741060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.743357] 2*256kB [ 257.747498] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.749445] (M) [ 257.754975] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.757277] 3*512kB [ 257.762734] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.764683] (M) [ 257.770139] ndisc_alloc_skb+0x144/0x340 [ 257.772429] 4*1024kB [ 257.776834] ndisc_send_rs+0x331/0x6e0 [ 257.778780] (UM) [ 257.782844] addrconf_rs_timer+0x3c0/0x6f0 [ 257.785221] 3*2048kB (M) [ 257.789119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.791148] 3*4096kB [ 257.795387] call_timer_fn+0x272/0x920 [ 257.798111] (M) [ 257.802343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.804729] = 25232kB [ 257.808612] ? process_timeout+0x40/0x40 [ 257.810571] Node 0 [ 257.814799] ? find_held_lock+0x36/0x1c0 [ 257.817183] Normal: [ 257.821246] ? __run_timers+0x7da/0xc70 [ 257.823449] 1065*4kB [ 257.827508] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.829798] (MEH) 487*8kB [ 257.833788] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.836169] (ME) [ 257.840659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.843479] 153*16kB [ 257.847966] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.850001] (MEH) [ 257.854231] ? trace_hardirqs_on+0xbd/0x310 [ 257.856613] 77*32kB (UM) [ 257.861194] ? kasan_check_read+0x11/0x20 [ 257.861213] ? __run_timers+0x7da/0xc70 [ 257.863337] 0*64kB [ 257.867652] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.870384] 1*128kB [ 257.874528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.878473] (H) [ 257.880710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.886128] 1*256kB (U) [ 257.888464] __run_timers+0x7e5/0xc70 [ 257.892671] 1*512kB [ 257.894649] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.898848] (U) [ 257.901514] ? compat_start_thread+0x80/0x80 [ 257.905289] 0*1024kB [ 257.907605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.912940] 0*2048kB 0*4096kB [ 257.914923] ? kasan_check_write+0x14/0x20 [ 257.919301] = 13964kB [ 257.919316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.921719] ? finish_task_switch+0x2f5/0x900 [ 257.927227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.927235] 412 total pagecache pages [ 257.930426] ? __switch_to_asm+0x40/0x70 [ 257.934638] 0 pages in swap cache [ 257.937037] ? preempt_notifier_register+0x200/0x200 [ 257.945850] Swap cache stats: add 0, delete 0, find 0/0 [ 257.945861] Free swap = 0kB [ 257.950353] ? __switch_to_asm+0x34/0x70 [ 257.958919] Total swap = 0kB [ 257.962714] ? __switch_to_asm+0x40/0x70 [ 257.966747] 1965979 pages RAM [ 257.970191] ? __switch_to_asm+0x34/0x70 [ 257.975262] 0 pages HighMem/MovableOnly [ 257.975271] 343323 pages reserved [ 257.980624] ? __switch_to_asm+0x40/0x70 [ 257.983620] 0 pages cma reserved [ 257.987671] ? __switch_to_asm+0x34/0x70 [ 257.990734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.994713] ? __switch_to_asm+0x40/0x70 [ 257.994739] ? pvclock_read_flags+0x160/0x160 [ 257.994759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.997903] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.001899] ? check_preemption_disabled+0x48/0x200 [ 258.005851] syz-executor0 cpuset= [ 258.009327] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 258.013361] syz0 [ 258.016723] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.020761] mems_allowed=0 [ 258.027245] ? rcu_pm_notify+0xc0/0xc0 [ 258.079730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.085270] ? check_preemption_disabled+0x48/0x200 [ 258.090300] run_timer_softirq+0x52/0xb0 [ 258.094365] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.099386] __do_softirq+0x30b/0xad8 [ 258.103200] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.108303] ? trace_hardirqs_off_caller+0x300/0x300 [ 258.113423] ? trace_hardirqs_on+0x310/0x310 [ 258.117839] ? schedule+0x108/0x460 [ 258.121469] ? __schedule+0x1ed0/0x1ed0 [ 258.125449] ? trace_hardirqs_off+0xb8/0x300 [ 258.129877] ? ___might_sleep+0x1ed/0x300 [ 258.134025] ? smpboot_thread_fn+0x68b/0xa00 [ 258.138438] ? trace_hardirqs_on+0x310/0x310 [ 258.142858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.148397] ? check_preemption_disabled+0x48/0x200 [ 258.153413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.158972] ? takeover_tasklets+0xa90/0xa90 [ 258.163412] run_ksoftirqd+0x94/0x100 [ 258.167216] smpboot_thread_fn+0x68b/0xa00 [ 258.171456] ? sort_range+0x30/0x30 [ 258.175085] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.180194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.185731] ? __kthread_parkme+0xfb/0x1a0 [ 258.189975] kthread+0x35a/0x420 [ 258.193340] ? sort_range+0x30/0x30 [ 258.196963] ? kthread_bind+0x40/0x40 [ 258.200766] ret_from_fork+0x3a/0x50 [ 258.204503] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 258.204593] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.211776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.211785] Call Trace: [ 258.218370] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.227610] [ 258.230176] ksoftirqd/1 cpuset= [ 258.240483] dump_stack+0x1c4/0x2b4 [ 258.242613] / [ 258.245886] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.249494] mems_allowed=0 [ 258.251214] warn_alloc.cold.118+0xb7/0x1bd [ 258.263623] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.268473] ? lock_downgrade+0x900/0x900 [ 258.272644] ? trace_hardirqs_off+0xb8/0x300 [ 258.277063] ? trace_hardirqs_off+0xb8/0x300 [ 258.281487] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.286364] ? warn_alloc+0x120/0x120 [ 258.290169] ? warn_alloc+0x120/0x120 [ 258.293974] ? print_usage_bug+0xc0/0xc0 [ 258.298039] ? warn_alloc+0x120/0x120 [ 258.301839] ? print_usage_bug+0xc0/0xc0 [ 258.305903] ? __lock_acquire+0x7ec/0x4ec0 [ 258.310139] ? __lock_acquire+0x7ec/0x4ec0 [ 258.314378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.319916] ? should_fail+0x22d/0xd01 [ 258.323809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.328912] ? __lock_acquire+0x7ec/0x4ec0 [ 258.333150] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.338254] ? __lock_acquire+0x7ec/0x4ec0 [ 258.342492] ? should_fail+0x22d/0xd01 [ 258.346392] ? mark_held_locks+0x130/0x130 [ 258.350730] ? mark_held_locks+0x130/0x130 [ 258.354965] ? graph_lock+0x170/0x170 [ 258.358769] ? graph_lock+0x170/0x170 [ 258.362578] ? graph_lock+0x170/0x170 [ 258.366383] ? print_usage_bug+0xc0/0xc0 [ 258.370448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.375990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.381527] ? check_preemption_disabled+0x48/0x200 [ 258.386559] ? check_preemption_disabled+0x48/0x200 [ 258.391593] ? __lock_is_held+0xb5/0x140 [ 258.395669] __alloc_pages_nodemask+0xa80/0xde0 [ 258.400339] ? graph_lock+0x170/0x170 [ 258.404148] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.409162] ? graph_lock+0x170/0x170 [ 258.412977] ? find_held_lock+0x36/0x1c0 [ 258.417070] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.421832] ? lock_downgrade+0x900/0x900 [ 258.425989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.431532] cache_grow_begin+0x91/0x8c0 [ 258.435612] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.440034] fallback_alloc+0x203/0x2e0 [ 258.444019] ____cache_alloc_node+0x1c7/0x1e0 [ 258.448523] kmem_cache_alloc_node+0xe3/0x730 [ 258.453031] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.457276] __alloc_skb+0x119/0x770 [ 258.460997] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.466279] ? skb_scrub_packet+0x490/0x490 [ 258.470796] ? lock_downgrade+0x900/0x900 [ 258.474957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.480496] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.485954] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.491408] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.495831] ndisc_alloc_skb+0x144/0x340 [ 258.499898] ndisc_send_rs+0x331/0x6e0 [ 258.503792] addrconf_rs_timer+0x3c0/0x6f0 [ 258.508046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.512321] call_timer_fn+0x272/0x920 [ 258.516229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.520471] ? process_timeout+0x40/0x40 [ 258.524530] ? find_held_lock+0x36/0x1c0 [ 258.528616] ? __run_timers+0x7da/0xc70 [ 258.532596] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.537098] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.541594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.545840] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.550428] ? trace_hardirqs_on+0xbd/0x310 [ 258.554756] ? kasan_check_read+0x11/0x20 [ 258.558903] ? __run_timers+0x7da/0xc70 [ 258.562882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.568342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.572586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.576826] __run_timers+0x7e5/0xc70 [ 258.580649] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.586016] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.591037] ? graph_lock+0x170/0x170 [ 258.594841] ? enqueue_hrtimer+0x1a5/0x560 [ 258.599072] ? lock_release+0x970/0x970 [ 258.603047] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.608244] ? find_held_lock+0x36/0x1c0 [ 258.612311] ? graph_lock+0x170/0x170 [ 258.616118] ? pvclock_read_flags+0x160/0x160 [ 258.620623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.626165] ? check_preemption_disabled+0x48/0x200 [ 258.631198] ? __lock_is_held+0xb5/0x140 [ 258.635261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.640797] ? check_preemption_disabled+0x48/0x200 [ 258.645823] run_timer_softirq+0x52/0xb0 [ 258.649893] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.654913] __do_softirq+0x30b/0xad8 [ 258.658727] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.663837] ? pvclock_read_flags+0x160/0x160 [ 258.668337] ? lapic_next_event+0x5a/0x90 [ 258.672489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.678031] ? check_preemption_disabled+0x48/0x200 [ 258.683047] ? check_preemption_disabled+0x48/0x200 [ 258.688071] ? kvm_clock_read+0x18/0x30 [ 258.692044] ? kvm_sched_clock_read+0x9/0x20 [ 258.696460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.701997] ? check_preemption_disabled+0x48/0x200 [ 258.707032] irq_exit+0x17f/0x1c0 [ 258.710490] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.715337] ? smp_reschedule_interrupt+0x109/0x650 [ 258.720359] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.726245] ? interrupt_entry+0xb5/0xf0 [ 258.730308] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.735371] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.740388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.745320] ? trace_hardirqs_off+0x300/0x300 [ 258.749813] ? trace_hardirqs_off+0x300/0x300 [ 258.754307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.759849] ? check_preemption_disabled+0x48/0x200 [ 258.764864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.770418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.775274] apic_timer_interrupt+0xf/0x20 [ 258.779501] [ 258.781745] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.786674] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 258.805582] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 258.813302] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.820575] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 258.827843] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 258.835106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 258.842372] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 258.849704] skb_clone+0x1bb/0x500 [ 258.853247] ? finish_task_switch+0x1b5/0x900 [ 258.857742] ? skb_split+0x11e0/0x11e0 [ 258.861637] ? preempt_notifier_register+0x200/0x200 [ 258.866740] ? __switch_to_asm+0x34/0x70 [ 258.870800] ? __switch_to_asm+0x34/0x70 [ 258.874859] ? __switch_to_asm+0x40/0x70 [ 258.878915] ? __switch_to_asm+0x34/0x70 [ 258.882979] ? __switch_to_asm+0x40/0x70 [ 258.887036] ? __switch_to_asm+0x34/0x70 [ 258.891095] ? __switch_to_asm+0x40/0x70 [ 258.895157] ? __switch_to_asm+0x34/0x70 [ 258.899221] ? __switch_to_asm+0x34/0x70 [ 258.903284] ? __switch_to_asm+0x40/0x70 [ 258.907345] ? __switch_to_asm+0x34/0x70 [ 258.911414] bpf_clone_redirect+0xb9/0x490 [ 258.915651] ? __schedule+0x874/0x1ed0 [ 258.919555] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 258.924580] ? __sched_text_start+0x8/0x8 [ 258.928738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.933510] ? find_held_lock+0x36/0x1c0 [ 258.937588] ? lock_acquire+0x1ed/0x520 [ 258.941573] ? bpf_test_run+0x32e/0x5a0 [ 258.945564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.951100] ? check_preemption_disabled+0x48/0x200 [ 258.956125] ? kasan_check_read+0x11/0x20 [ 258.960276] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.965564] ? rcu_bh_qs+0xc0/0xc0 [ 258.969112] ? preempt_schedule+0x4d/0x60 [ 258.973264] ? ___preempt_schedule+0x16/0x18 [ 258.977681] ? bpf_test_run+0x1c0/0x5a0 [ 258.981670] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.986081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.991621] ? bpf_test_init.isra.9+0x70/0x100 [ 258.996209] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.000982] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.005836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.011371] ? fput+0x130/0x1a0 [ 259.014653] ? __bpf_prog_get+0x9b/0x290 [ 259.018727] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.023665] ? bpf_prog_test_run+0x130/0x1a0 [ 259.028079] ? __x64_sys_bpf+0x3d8/0x510 [ 259.032140] ? bpf_prog_get+0x20/0x20 [ 259.035952] ? ksys_ioctl+0x81/0xd0 [ 259.039593] ? do_syscall_64+0x1b9/0x820 [ 259.043664] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.049029] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.053961] ? trace_hardirqs_off+0x300/0x300 [ 259.058461] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.063480] ? recalc_sigpending_tsk+0x180/0x180 [ 259.068238] ? kasan_check_write+0x14/0x20 [ 259.072483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.077334] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.082715] warn_alloc_show_mem: 1 callbacks suppressed [ 259.082726] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 259.082728] Mem-Info: [ 259.082760] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 259.082760] active_file:14 inactive_file:18 isolated_file:1 [ 259.082760] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.082760] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 259.082760] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 259.082760] free:13768 free_pcp:583 free_cma:0 [ 259.088098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.094942] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.097343] Call Trace: [ 259.130224] Node 0 [ 259.139594] dump_stack+0x1c4/0x2b4 [ 259.167294] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 259.169859] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.172062] lowmem_reserve[]: [ 259.175734] warn_alloc.cold.118+0xb7/0x1bd [ 259.201201] 0 2815 [ 259.206406] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.209479] 6318 [ 259.213798] ? lock_downgrade+0x900/0x900 [ 259.216003] 6318 [ 259.220846] ? trace_hardirqs_off+0xb8/0x300 [ 259.222879] Node 0 [ 259.227026] ? trace_hardirqs_off+0xb8/0x300 [ 259.229082] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 259.233467] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.235670] lowmem_reserve[]: [ 259.240108] ? warn_alloc+0x120/0x120 [ 259.266952] 0 [ 259.271804] ? warn_alloc+0x120/0x120 [ 259.274869] 0 3503 [ 259.278685] ? print_usage_bug+0xc0/0xc0 [ 259.280459] 3503 [ 259.284254] ? warn_alloc+0x120/0x120 [ 259.290519] ? print_usage_bug+0xc0/0xc0 [ 259.292562] Node 0 [ 259.296358] ? __lock_acquire+0x7ec/0x4ec0 [ 259.300421] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 259.302627] ? __lock_acquire+0x7ec/0x4ec0 [ 259.306839] lowmem_reserve[]: [ 259.335330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.340002] 0 [ 259.343114] ? should_fail+0x22d/0xd01 [ 259.348616] 0 0 [ 259.350422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.354287] 0 [ 259.356258] ? __lock_acquire+0x7ec/0x4ec0 [ 259.363147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.367353] Node 0 [ 259.372442] ? __lock_acquire+0x7ec/0x4ec0 [ 259.372452] DMA: [ 259.374681] ? should_fail+0x22d/0xd01 [ 259.378890] 1*4kB [ 259.380943] ? print_usage_bug+0xc0/0xc0 [ 259.384813] (U) [ 259.386963] ? mark_held_locks+0x130/0x130 [ 259.390996] 0*8kB [ 259.392982] ? mark_held_locks+0x130/0x130 [ 259.397191] 0*16kB [ 259.399341] ? graph_lock+0x170/0x170 [ 259.403557] 1*32kB [ 259.405786] ? print_usage_bug+0xc0/0xc0 [ 259.409569] (U) [ 259.411803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.415830] 2*64kB (U) [ 259.417809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.422532] 1*128kB (U) [ 259.425150] ? check_preemption_disabled+0x48/0x200 [ 259.430657] 1*256kB (U) [ 259.433330] ? check_preemption_disabled+0x48/0x200 [ 259.438315] 0*512kB 1*1024kB [ 259.440999] ? __lock_is_held+0xb5/0x140 [ 259.445990] (U) 1*2048kB [ 259.449110] __alloc_pages_nodemask+0xa80/0xde0 [ 259.453138] (M) [ 259.455888] ? graph_lock+0x170/0x170 [ 259.460526] 3*4096kB (M) [ 259.462510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.466288] = 15908kB [ 259.469038] ? graph_lock+0x170/0x170 [ 259.474027] Node 0 [ 259.476465] ? find_held_lock+0x36/0x1c0 [ 259.480227] DMA32: 4*4kB [ 259.482472] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.486504] (UM) [ 259.489285] ? lock_downgrade+0x900/0x900 [ 259.493920] 2*8kB (M) [ 259.495992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.500104] 1*16kB (M) 1*32kB [ 259.502611] cache_grow_begin+0x91/0x8c0 [ 259.508117] (M) 3*64kB [ 259.511316] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.515346] (UM) 3*128kB [ 259.517940] fallback_alloc+0x203/0x2e0 [ 259.522315] (M) [ 259.525077] ____cache_alloc_node+0x1c7/0x1e0 [ 259.529019] 2*256kB (M) [ 259.531004] kmem_cache_alloc_node+0xe3/0x730 [ 259.535469] 3*512kB [ 259.538138] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.542609] (M) [ 259.544932] __alloc_skb+0x119/0x770 [ 259.549137] 4*1024kB [ 259.551117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.554794] (UM) [ 259.557199] ? skb_scrub_packet+0x490/0x490 [ 259.562445] 3*2048kB (M) [ 259.564510] ? lock_downgrade+0x900/0x900 [ 259.568802] 3*4096kB (M) [ 259.571575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.575690] = 25232kB [ 259.578448] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.583960] Node 0 [ 259.586366] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.591788] Normal: [ 259.594020] ? addrconf_rs_timer+0x6f0/0x6f0 [ 259.599444] 1065*4kB [ 259.601768] ndisc_alloc_skb+0x144/0x340 [ 259.606142] (MEH) [ 259.608557] ndisc_send_rs+0x331/0x6e0 [ 259.612610] 487*8kB [ 259.614756] addrconf_rs_timer+0x3c0/0x6f0 [ 259.618633] (ME) [ 259.620954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.625154] 153*16kB (MEH) [ 259.627229] call_timer_fn+0x272/0x920 [ 259.631424] 77*32kB (UM) [ 259.634357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.638227] 0*64kB 1*128kB [ 259.640988] ? process_timeout+0x40/0x40 [ 259.645191] (H) 1*256kB [ 259.648129] ? find_held_lock+0x36/0x1c0 [ 259.652197] (U) [ 259.654867] ? __run_timers+0x7da/0xc70 [ 259.658896] 1*512kB [ 259.660869] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.664810] (U) 0*1024kB [ 259.667146] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.671622] 0*2048kB [ 259.674375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.678839] 0*4096kB = 13964kB [ 259.681253] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.685464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.688651] ? trace_hardirqs_on+0xbd/0x310 [ 259.693213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.702048] ? kasan_check_read+0x11/0x20 [ 259.706361] 412 total pagecache pages [ 259.714934] ? __run_timers+0x7da/0xc70 [ 259.719058] 0 pages in swap cache [ 259.722851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.726795] Swap cache stats: add 0, delete 0, find 0/0 [ 259.726804] Free swap = 0kB [ 259.730251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.735664] Total swap = 0kB [ 259.735673] 1965979 pages RAM [ 259.741036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.744028] 0 pages HighMem/MovableOnly [ 259.748256] __run_timers+0x7e5/0xc70 [ 259.751245] 343323 pages reserved [ 259.754353] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.758561] 0 pages cma reserved [ 259.762526] ? compat_start_thread+0x80/0x80 [ 259.766368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.769752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.775185] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.778459] ? kasan_check_write+0x14/0x20 [ 259.782844] syz-executor0 cpuset= [ 259.789336] ? finish_task_switch+0x2f5/0x900 [ 259.794843] syz0 [ 259.805328] ? __switch_to_asm+0x40/0x70 [ 259.809535] mems_allowed=0 [ 259.812994] ? preempt_notifier_register+0x200/0x200 [ 259.831475] ? __switch_to_asm+0x34/0x70 [ 259.835562] ? __switch_to_asm+0x40/0x70 [ 259.839626] ? __switch_to_asm+0x34/0x70 [ 259.843684] ? __switch_to_asm+0x40/0x70 [ 259.847746] ? __switch_to_asm+0x34/0x70 [ 259.851809] ? __switch_to_asm+0x40/0x70 [ 259.855883] ? pvclock_read_flags+0x160/0x160 [ 259.860387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.865926] ? check_preemption_disabled+0x48/0x200 [ 259.870953] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 259.876491] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.881792] ? rcu_pm_notify+0xc0/0xc0 [ 259.885689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.891229] ? check_preemption_disabled+0x48/0x200 [ 259.896257] run_timer_softirq+0x52/0xb0 [ 259.900319] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.905341] __do_softirq+0x30b/0xad8 [ 259.909156] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.914263] ? trace_hardirqs_off_caller+0x300/0x300 [ 259.919370] ? trace_hardirqs_on+0x310/0x310 [ 259.923787] ? schedule+0x108/0x460 [ 259.927418] ? __schedule+0x1ed0/0x1ed0 [ 259.931401] ? trace_hardirqs_off+0xb8/0x300 [ 259.935817] ? ___might_sleep+0x1ed/0x300 [ 259.939964] ? smpboot_thread_fn+0x68b/0xa00 [ 259.944378] ? trace_hardirqs_on+0x310/0x310 [ 259.948789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.954329] ? check_preemption_disabled+0x48/0x200 [ 259.959351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.964895] ? takeover_tasklets+0xa90/0xa90 [ 259.969310] run_ksoftirqd+0x94/0x100 [ 259.973119] smpboot_thread_fn+0x68b/0xa00 [ 259.977360] ? sort_range+0x30/0x30 [ 259.980994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.986110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.991655] ? __kthread_parkme+0xfb/0x1a0 [ 259.995899] kthread+0x35a/0x420 [ 259.999267] ? sort_range+0x30/0x30 [ 260.002894] ? kthread_bind+0x40/0x40 [ 260.006700] ret_from_fork+0x3a/0x50 [ 260.010438] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 260.010517] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.017709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.017715] Call Trace: [ 260.017722] [ 260.017740] dump_stack+0x1c4/0x2b4 [ 260.017757] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.024358] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.033619] warn_alloc.cold.118+0xb7/0x1bd [ 260.036172] ksoftirqd/1 cpuset= [ 260.038314] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.041916] / [ 260.047101] ? lock_downgrade+0x900/0x900 [ 260.057687] mems_allowed=0 [ 260.062013] ? trace_hardirqs_off+0xb8/0x300 [ 260.083269] ? trace_hardirqs_off+0xb8/0x300 [ 260.087689] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.092573] ? warn_alloc+0x120/0x120 [ 260.096381] ? trace_hardirqs_on+0x310/0x310 [ 260.100791] ? warn_alloc+0x120/0x120 [ 260.104594] ? print_usage_bug+0xc0/0xc0 [ 260.108663] ? warn_alloc+0x120/0x120 [ 260.112464] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.117480] ? print_usage_bug+0xc0/0xc0 [ 260.121543] ? __lock_acquire+0x7ec/0x4ec0 [ 260.125785] ? __lock_acquire+0x7ec/0x4ec0 [ 260.130022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.135568] ? should_fail+0x22d/0xd01 [ 260.139465] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.144596] ? __lock_acquire+0x7ec/0x4ec0 [ 260.148849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.154073] ? __lock_acquire+0x7ec/0x4ec0 [ 260.158317] ? should_fail+0x22d/0xd01 [ 260.162209] ? print_usage_bug+0xc0/0xc0 [ 260.166291] ? mark_held_locks+0x130/0x130 [ 260.170557] ? mark_held_locks+0x130/0x130 [ 260.174805] ? graph_lock+0x170/0x170 [ 260.178624] ? print_usage_bug+0xc0/0xc0 [ 260.182694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.187462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.193013] ? check_preemption_disabled+0x48/0x200 [ 260.198038] ? check_preemption_disabled+0x48/0x200 [ 260.203076] ? __lock_is_held+0xb5/0x140 [ 260.207144] __alloc_pages_nodemask+0xa80/0xde0 [ 260.211815] ? graph_lock+0x170/0x170 [ 260.215628] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.220648] ? graph_lock+0x170/0x170 [ 260.224462] ? find_held_lock+0x36/0x1c0 [ 260.228533] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.233216] ? lock_downgrade+0x900/0x900 [ 260.237377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.242927] cache_grow_begin+0x91/0x8c0 [ 260.246991] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.251412] fallback_alloc+0x203/0x2e0 [ 260.255397] ____cache_alloc_node+0x1c7/0x1e0 [ 260.259897] kmem_cache_alloc_node+0xe3/0x730 [ 260.264398] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.268648] __alloc_skb+0x119/0x770 [ 260.272368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.277658] ? skb_scrub_packet+0x490/0x490 [ 260.281984] ? lock_downgrade+0x900/0x900 [ 260.286143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.291683] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.297140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.302594] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.307023] ndisc_alloc_skb+0x144/0x340 [ 260.311095] ndisc_send_rs+0x331/0x6e0 [ 260.314991] addrconf_rs_timer+0x3c0/0x6f0 [ 260.319232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.323487] call_timer_fn+0x272/0x920 [ 260.327376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.331624] ? process_timeout+0x40/0x40 [ 260.335685] ? find_held_lock+0x36/0x1c0 [ 260.339758] ? __run_timers+0x7da/0xc70 [ 260.343741] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.348239] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.352751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.356991] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.361585] ? trace_hardirqs_on+0xbd/0x310 [ 260.365912] ? kasan_check_read+0x11/0x20 [ 260.370064] ? __run_timers+0x7da/0xc70 [ 260.374039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.379505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.383746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.388070] __run_timers+0x7e5/0xc70 [ 260.391888] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.397261] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.402285] ? graph_lock+0x170/0x170 [ 260.406095] ? enqueue_hrtimer+0x1a5/0x560 [ 260.410331] ? lock_release+0x970/0x970 [ 260.414309] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.419506] ? find_held_lock+0x36/0x1c0 [ 260.423577] ? graph_lock+0x170/0x170 [ 260.427389] ? pvclock_read_flags+0x160/0x160 [ 260.431887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.437428] ? check_preemption_disabled+0x48/0x200 [ 260.442459] ? __lock_is_held+0xb5/0x140 [ 260.446520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.452061] ? check_preemption_disabled+0x48/0x200 [ 260.457089] run_timer_softirq+0x52/0xb0 [ 260.461151] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.466172] __do_softirq+0x30b/0xad8 [ 260.470120] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.475237] ? pvclock_read_flags+0x160/0x160 [ 260.479738] ? lapic_next_event+0x5a/0x90 [ 260.483895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.489440] ? check_preemption_disabled+0x48/0x200 [ 260.494456] ? check_preemption_disabled+0x48/0x200 [ 260.499484] ? kvm_clock_read+0x18/0x30 [ 260.503476] ? kvm_sched_clock_read+0x9/0x20 [ 260.507888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.513446] ? check_preemption_disabled+0x48/0x200 [ 260.518481] irq_exit+0x17f/0x1c0 [ 260.521940] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.526786] ? smp_reschedule_interrupt+0x109/0x650 [ 260.531813] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.537702] ? interrupt_entry+0xb5/0xf0 [ 260.541774] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.546798] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.551837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.556687] ? trace_hardirqs_off+0x300/0x300 [ 260.561189] ? trace_hardirqs_off+0x300/0x300 [ 260.565697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.571242] ? check_preemption_disabled+0x48/0x200 [ 260.576266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.581819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.586679] apic_timer_interrupt+0xf/0x20 [ 260.591002] [ 260.593248] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.598187] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 260.617109] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 260.624844] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.632125] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 260.639398] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 260.646674] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.653946] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.661268] skb_clone+0x1bb/0x500 [ 260.664812] ? finish_task_switch+0x1b5/0x900 [ 260.669310] ? skb_split+0x11e0/0x11e0 [ 260.673209] ? preempt_notifier_register+0x200/0x200 [ 260.678321] ? __switch_to_asm+0x34/0x70 [ 260.682388] ? __switch_to_asm+0x34/0x70 [ 260.686449] ? __switch_to_asm+0x40/0x70 [ 260.690508] ? __switch_to_asm+0x34/0x70 [ 260.694574] ? __switch_to_asm+0x40/0x70 [ 260.698641] ? __switch_to_asm+0x34/0x70 [ 260.702707] ? __switch_to_asm+0x40/0x70 [ 260.706772] ? __switch_to_asm+0x34/0x70 [ 260.710838] ? __switch_to_asm+0x34/0x70 [ 260.714900] ? __switch_to_asm+0x40/0x70 [ 260.718959] ? __switch_to_asm+0x34/0x70 [ 260.723078] bpf_clone_redirect+0xb9/0x490 [ 260.727317] ? __schedule+0x874/0x1ed0 [ 260.731214] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 260.736238] ? __sched_text_start+0x8/0x8 [ 260.740394] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.745174] ? find_held_lock+0x36/0x1c0 [ 260.749245] ? lock_acquire+0x1ed/0x520 [ 260.753221] ? bpf_test_run+0x32e/0x5a0 [ 260.757199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.762735] ? check_preemption_disabled+0x48/0x200 [ 260.767756] ? kasan_check_read+0x11/0x20 [ 260.771920] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.777243] ? rcu_bh_qs+0xc0/0xc0 [ 260.780822] ? preempt_schedule+0x4d/0x60 [ 260.784999] ? ___preempt_schedule+0x16/0x18 [ 260.789443] ? bpf_test_run+0x1c0/0x5a0 [ 260.793452] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.797893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.803450] ? bpf_test_init.isra.9+0x70/0x100 [ 260.808051] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.812854] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.817711] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.823252] ? fput+0x130/0x1a0 [ 260.826565] ? __bpf_prog_get+0x9b/0x290 [ 260.830639] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.835486] ? bpf_prog_test_run+0x130/0x1a0 [ 260.839901] ? __x64_sys_bpf+0x3d8/0x510 [ 260.843966] ? bpf_prog_get+0x20/0x20 [ 260.847779] ? ksys_ioctl+0x81/0xd0 [ 260.851422] ? do_syscall_64+0x1b9/0x820 [ 260.855508] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.860884] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.865829] ? trace_hardirqs_off+0x300/0x300 [ 260.870336] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.875371] ? recalc_sigpending_tsk+0x180/0x180 [ 260.880145] ? kasan_check_write+0x14/0x20 [ 260.884405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.889276] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.894701] warn_alloc_show_mem: 1 callbacks suppressed [ 260.894714] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 260.894716] Mem-Info: [ 260.894748] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 260.894748] active_file:14 inactive_file:18 isolated_file:1 [ 260.894748] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.894748] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 260.894748] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 260.894748] free:13768 free_pcp:583 free_cma:0 [ 260.900092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.900109] Call Trace: [ 260.906965] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.909376] dump_stack+0x1c4/0x2b4 [ 260.942244] Node 0 [ 260.951612] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.954191] 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 [ 260.981858] warn_alloc.cold.118+0xb7/0x1bd [ 260.985456] lowmem_reserve[]: [ 260.987693] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.992882] 0 [ 261.018403] ? lock_downgrade+0x900/0x900 [ 261.022698] 2815 [ 261.025812] ? trace_hardirqs_off+0xb8/0x300 [ 261.030623] 6318 6318 [ 261.032444] ? trace_hardirqs_off+0xb8/0x300 [ 261.038636] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.043021] Node 0 [ 261.045555] ? warn_alloc+0x120/0x120 [ 261.049925] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 261.054747] ? warn_alloc+0x120/0x120 [ 261.056949] lowmem_reserve[]: 0 [ 261.060758] ? print_usage_bug+0xc0/0xc0 [ 261.087637] 0 [ 261.091450] ? warn_alloc+0x120/0x120 [ 261.094722] 3503 [ 261.098789] ? print_usage_bug+0xc0/0xc0 [ 261.100569] 3503 [ 261.104370] ? __lock_acquire+0x7ec/0x4ec0 [ 261.110469] ? __lock_acquire+0x7ec/0x4ec0 [ 261.112507] Node 0 [ 261.116739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.120974] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 261.123185] ? should_fail+0x22d/0xd01 [ 261.128701] lowmem_reserve[]: [ 261.157186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.161048] 0 [ 261.164154] ? __lock_acquire+0x7ec/0x4ec0 [ 261.169225] 0 0 [ 261.171040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.175238] 0 [ 261.177220] ? __lock_acquire+0x7ec/0x4ec0 [ 261.182303] Node 0 [ 261.184111] ? should_fail+0x22d/0xd01 [ 261.188309] DMA: 1*4kB [ 261.190556] ? print_usage_bug+0xc0/0xc0 [ 261.190582] ? mark_held_locks+0x130/0x130 [ 261.194443] (U) [ 261.197029] ? mark_held_locks+0x130/0x130 [ 261.201055] 0*8kB 0*16kB [ 261.205307] ? graph_lock+0x170/0x170 [ 261.207245] 1*32kB [ 261.211475] ? print_usage_bug+0xc0/0xc0 [ 261.214212] (U) [ 261.218029] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.220237] 2*64kB (U) [ 261.224303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.226253] 1*128kB [ 261.231001] ? check_preemption_disabled+0x48/0x200 [ 261.233567] (U) [ 261.239103] ? check_preemption_disabled+0x48/0x200 [ 261.241397] 1*256kB (U) [ 261.246428] ? __lock_is_held+0xb5/0x140 [ 261.248364] 0*512kB 1*1024kB [ 261.253393] __alloc_pages_nodemask+0xa80/0xde0 [ 261.256031] (U) [ 261.260091] ? graph_lock+0x170/0x170 [ 261.263163] 1*2048kB (M) [ 261.267836] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.269780] 3*4096kB (M) [ 261.273591] ? graph_lock+0x170/0x170 [ 261.276334] = 15908kB [ 261.276343] Node 0 [ 261.281364] ? find_held_lock+0x36/0x1c0 [ 261.284089] DMA32: [ 261.287901] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.290280] 4*4kB [ 261.292510] ? lock_downgrade+0x900/0x900 [ 261.296542] (UM) [ 261.298784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.303416] 2*8kB (M) [ 261.305582] cache_grow_begin+0x91/0x8c0 [ 261.309698] 1*16kB [ 261.311757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.317263] (M) [ 261.319763] fallback_alloc+0x203/0x2e0 [ 261.323783] 1*32kB (M) [ 261.326029] ____cache_alloc_node+0x1c7/0x1e0 [ 261.330409] 3*64kB [ 261.332387] kmem_cache_alloc_node+0xe3/0x730 [ 261.336330] (UM) [ 261.339171] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.343644] 3*128kB [ 261.345884] __alloc_skb+0x119/0x770 [ 261.350347] (M) [ 261.352411] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.356615] 2*256kB [ 261.358940] ? skb_scrub_packet+0x490/0x490 [ 261.362625] (M) [ 261.364601] ? lock_downgrade+0x900/0x900 [ 261.369851] 3*512kB (M) [ 261.372189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.376486] 4*1024kB [ 261.378465] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.382575] (UM) 3*2048kB [ 261.385255] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.390758] (M) 3*4096kB [ 261.393179] ? addrconf_rs_timer+0x6f0/0x6f0 [ 261.398611] (M) [ 261.401461] ndisc_alloc_skb+0x144/0x340 [ 261.406871] = 25232kB [ 261.406880] Node 0 [ 261.409647] ndisc_send_rs+0x331/0x6e0 [ 261.414018] Normal: [ 261.415996] addrconf_rs_timer+0x3c0/0x6f0 [ 261.420027] 1065*4kB [ 261.422443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.424650] (MEH) [ 261.428542] call_timer_fn+0x272/0x920 [ 261.430825] 487*8kB (ME) [ 261.435305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.437689] 153*16kB [ 261.441921] ? process_timeout+0x40/0x40 [ 261.444043] (MEH) [ 261.447957] ? find_held_lock+0x36/0x1c0 [ 261.450685] 77*32kB (UM) [ 261.454936] ? __run_timers+0x7da/0xc70 [ 261.457316] 0*64kB [ 261.461380] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.463504] 1*128kB [ 261.467585] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.470317] (H) [ 261.474291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.476501] 1*256kB [ 261.480995] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.483291] (U) [ 261.487787] ? trace_hardirqs_on+0xbd/0x310 [ 261.489743] 1*512kB [ 261.493981] ? kasan_check_read+0x11/0x20 [ 261.496305] (U) [ 261.500887] ? __run_timers+0x7da/0xc70 [ 261.502833] 0*1024kB [ 261.507166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.509458] 0*2048kB 0*4096kB [ 261.513625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.515574] = 13964kB [ 261.519544] __run_timers+0x7e5/0xc70 [ 261.521941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.527394] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.530557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.530566] 412 total pagecache pages [ 261.534811] ? compat_start_thread+0x80/0x80 [ 261.537206] 0 pages in swap cache [ 261.541001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.549820] Swap cache stats: add 0, delete 0, find 0/0 [ 261.555190] ? kasan_check_write+0x14/0x20 [ 261.563735] Free swap = 0kB [ 261.563745] Total swap = 0kB [ 261.567561] ? finish_task_switch+0x2f5/0x900 [ 261.571934] 1965979 pages RAM [ 261.575383] ? __switch_to_asm+0x40/0x70 [ 261.580885] 0 pages HighMem/MovableOnly [ 261.580894] 343323 pages reserved [ 261.586259] ? preempt_notifier_register+0x200/0x200 [ 261.590461] 0 pages cma reserved [ 261.590541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.593482] ? __switch_to_asm+0x34/0x70 [ 261.593494] ? __switch_to_asm+0x40/0x70 [ 261.593506] ? __switch_to_asm+0x34/0x70 [ 261.593521] ? __switch_to_asm+0x40/0x70 [ 261.596591] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.601008] ? __switch_to_asm+0x34/0x70 [ 261.601024] ? __switch_to_asm+0x40/0x70 [ 261.604115] syz-executor0 cpuset= [ 261.608178] ? pvclock_read_flags+0x160/0x160 [ 261.612120] syz0 [ 261.615579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.620661] mems_allowed=0 [ 261.624022] ? check_preemption_disabled+0x48/0x200 [ 261.688605] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 261.694154] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.699442] ? rcu_pm_notify+0xc0/0xc0 [ 261.703334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.708878] ? check_preemption_disabled+0x48/0x200 [ 261.713908] run_timer_softirq+0x52/0xb0 [ 261.717976] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.723007] __do_softirq+0x30b/0xad8 [ 261.726824] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.731930] ? trace_hardirqs_off_caller+0x300/0x300 [ 261.737129] ? trace_hardirqs_on+0x310/0x310 [ 261.741558] ? schedule+0x108/0x460 [ 261.745195] ? __schedule+0x1ed0/0x1ed0 [ 261.749182] ? trace_hardirqs_off+0xb8/0x300 [ 261.753598] ? ___might_sleep+0x1ed/0x300 [ 261.757746] ? smpboot_thread_fn+0x68b/0xa00 [ 261.762164] ? trace_hardirqs_on+0x310/0x310 [ 261.766586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.772319] ? check_preemption_disabled+0x48/0x200 [ 261.777340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.782891] ? takeover_tasklets+0xa90/0xa90 [ 261.787307] run_ksoftirqd+0x94/0x100 [ 261.791116] smpboot_thread_fn+0x68b/0xa00 [ 261.795355] ? sort_range+0x30/0x30 [ 261.798985] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.804092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.809645] ? __kthread_parkme+0xfb/0x1a0 [ 261.813886] kthread+0x35a/0x420 [ 261.817258] ? sort_range+0x30/0x30 [ 261.820882] ? kthread_bind+0x40/0x40 [ 261.824690] ret_from_fork+0x3a/0x50 [ 261.828424] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 261.828503] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.835700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.835705] Call Trace: [ 261.835712] [ 261.835731] dump_stack+0x1c4/0x2b4 [ 261.835752] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.842330] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.851603] warn_alloc.cold.118+0xb7/0x1bd [ 261.854153] ksoftirqd/1 cpuset= [ 261.856298] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.859898] / [ 261.865128] ? lock_downgrade+0x900/0x900 [ 261.875414] mems_allowed=0 [ 261.896610] ? trace_hardirqs_off+0xb8/0x300 [ 261.901118] ? trace_hardirqs_off+0xb8/0x300 [ 261.905543] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.910433] ? warn_alloc+0x120/0x120 [ 261.914243] ? warn_alloc+0x120/0x120 [ 261.918046] ? print_usage_bug+0xc0/0xc0 [ 261.922108] ? warn_alloc+0x120/0x120 [ 261.925914] ? print_usage_bug+0xc0/0xc0 [ 261.929978] ? __lock_acquire+0x7ec/0x4ec0 [ 261.934214] ? __lock_acquire+0x7ec/0x4ec0 [ 261.938457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.944003] ? should_fail+0x22d/0xd01 [ 261.947899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.953011] ? __lock_acquire+0x7ec/0x4ec0 [ 261.957257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.962366] ? __lock_acquire+0x7ec/0x4ec0 [ 261.966639] ? should_fail+0x22d/0xd01 [ 261.970567] ? mark_held_locks+0x130/0x130 [ 261.974827] ? mark_held_locks+0x130/0x130 [ 261.979078] ? graph_lock+0x170/0x170 [ 261.982887] ? graph_lock+0x170/0x170 [ 261.986693] ? graph_lock+0x170/0x170 [ 261.990497] ? print_usage_bug+0xc0/0xc0 [ 261.994572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.000135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.005691] ? check_preemption_disabled+0x48/0x200 [ 262.010715] ? check_preemption_disabled+0x48/0x200 [ 262.015760] ? __lock_is_held+0xb5/0x140 [ 262.019840] __alloc_pages_nodemask+0xa80/0xde0 [ 262.024524] ? graph_lock+0x170/0x170 [ 262.028347] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.033372] ? graph_lock+0x170/0x170 [ 262.037192] ? find_held_lock+0x36/0x1c0 [ 262.041272] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.045956] ? lock_downgrade+0x900/0x900 [ 262.050120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.055680] cache_grow_begin+0x91/0x8c0 [ 262.059755] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.064183] fallback_alloc+0x203/0x2e0 [ 262.068176] ____cache_alloc_node+0x1c7/0x1e0 [ 262.072683] kmem_cache_alloc_node+0xe3/0x730 [ 262.077206] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.081459] __alloc_skb+0x119/0x770 [ 262.085179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.090469] ? skb_scrub_packet+0x490/0x490 [ 262.094803] ? lock_downgrade+0x900/0x900 [ 262.098967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.104514] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.109978] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.115443] ? addrconf_rs_timer+0x6f0/0x6f0 [ 262.119875] ndisc_alloc_skb+0x144/0x340 [ 262.123944] ndisc_send_rs+0x331/0x6e0 [ 262.127842] addrconf_rs_timer+0x3c0/0x6f0 [ 262.132094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.136349] call_timer_fn+0x272/0x920 [ 262.140249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.144496] ? process_timeout+0x40/0x40 [ 262.148569] ? find_held_lock+0x36/0x1c0 [ 262.152654] ? __run_timers+0x7da/0xc70 [ 262.156644] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.161162] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.165665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.169911] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.174503] ? trace_hardirqs_on+0xbd/0x310 [ 262.178845] ? kasan_check_read+0x11/0x20 [ 262.183004] ? __run_timers+0x7da/0xc70 [ 262.186987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.192452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.196697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.200942] __run_timers+0x7e5/0xc70 [ 262.204760] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.210138] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.215165] ? graph_lock+0x170/0x170 [ 262.218989] ? enqueue_hrtimer+0x1a5/0x560 [ 262.223238] ? lock_release+0x970/0x970 [ 262.227222] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.232431] ? find_held_lock+0x36/0x1c0 [ 262.236504] ? graph_lock+0x170/0x170 [ 262.240336] ? pvclock_read_flags+0x160/0x160 [ 262.244844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.250390] ? check_preemption_disabled+0x48/0x200 [ 262.255453] ? __lock_is_held+0xb5/0x140 [ 262.259522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.265168] ? check_preemption_disabled+0x48/0x200 [ 262.270203] run_timer_softirq+0x52/0xb0 [ 262.274272] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.279303] __do_softirq+0x30b/0xad8 [ 262.283123] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.288250] ? pvclock_read_flags+0x160/0x160 [ 262.292758] ? lapic_next_event+0x5a/0x90 [ 262.296937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.302493] ? check_preemption_disabled+0x48/0x200 [ 262.307512] ? check_preemption_disabled+0x48/0x200 [ 262.312544] ? kvm_clock_read+0x18/0x30 [ 262.316531] ? kvm_sched_clock_read+0x9/0x20 [ 262.320951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.326497] ? check_preemption_disabled+0x48/0x200 [ 262.331528] irq_exit+0x17f/0x1c0 [ 262.334996] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.339842] ? smp_reschedule_interrupt+0x109/0x650 [ 262.344865] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.350754] ? interrupt_entry+0xb5/0xf0 [ 262.354820] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.359834] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.364856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.369699] ? trace_hardirqs_off+0x300/0x300 [ 262.374194] ? trace_hardirqs_off+0x300/0x300 [ 262.378692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.384234] ? check_preemption_disabled+0x48/0x200 [ 262.389255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.394810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.399670] apic_timer_interrupt+0xf/0x20 [ 262.403900] [ 262.406141] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.411106] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 262.430134] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 262.437861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.445133] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 262.452409] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 262.459687] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.466966] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.474594] skb_clone+0x1bb/0x500 [ 262.478151] ? finish_task_switch+0x1b5/0x900 [ 262.482659] ? skb_split+0x11e0/0x11e0 [ 262.486560] ? preempt_notifier_register+0x200/0x200 [ 262.491670] ? __switch_to_asm+0x34/0x70 [ 262.495735] ? __switch_to_asm+0x34/0x70 [ 262.499793] ? __switch_to_asm+0x40/0x70 [ 262.503854] ? __switch_to_asm+0x34/0x70 [ 262.507929] ? __switch_to_asm+0x40/0x70 [ 262.511989] ? __switch_to_asm+0x34/0x70 [ 262.516050] ? __switch_to_asm+0x40/0x70 [ 262.520112] ? __switch_to_asm+0x34/0x70 [ 262.524178] ? __switch_to_asm+0x34/0x70 [ 262.528236] ? __switch_to_asm+0x40/0x70 [ 262.532294] ? __switch_to_asm+0x34/0x70 [ 262.536370] bpf_clone_redirect+0xb9/0x490 [ 262.540618] ? __schedule+0x874/0x1ed0 [ 262.544516] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 262.549558] ? __sched_text_start+0x8/0x8 [ 262.553714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.558485] ? find_held_lock+0x36/0x1c0 [ 262.562569] ? lock_acquire+0x1ed/0x520 [ 262.566544] ? bpf_test_run+0x32e/0x5a0 [ 262.570529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.576077] ? check_preemption_disabled+0x48/0x200 [ 262.581102] ? kasan_check_read+0x11/0x20 [ 262.585254] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.590569] ? rcu_bh_qs+0xc0/0xc0 [ 262.594118] ? preempt_schedule+0x4d/0x60 [ 262.598267] ? ___preempt_schedule+0x16/0x18 [ 262.602687] ? bpf_test_run+0x1c0/0x5a0 [ 262.606676] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.611098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.616648] ? bpf_test_init.isra.9+0x70/0x100 [ 262.621235] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.626002] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.630848] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.636391] ? fput+0x130/0x1a0 [ 262.639674] ? __bpf_prog_get+0x9b/0x290 [ 262.643741] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.648589] ? bpf_prog_test_run+0x130/0x1a0 [ 262.653015] ? __x64_sys_bpf+0x3d8/0x510 [ 262.657083] ? bpf_prog_get+0x20/0x20 [ 262.660902] ? ksys_ioctl+0x81/0xd0 [ 262.664542] ? do_syscall_64+0x1b9/0x820 [ 262.668625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.673995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.678935] ? trace_hardirqs_off+0x300/0x300 [ 262.683435] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.688461] ? recalc_sigpending_tsk+0x180/0x180 [ 262.693228] ? kasan_check_write+0x14/0x20 [ 262.697471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.702331] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.707718] warn_alloc_show_mem: 1 callbacks suppressed [ 262.707730] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 262.707731] Mem-Info: [ 262.707764] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 262.707764] active_file:14 inactive_file:18 isolated_file:1 [ 262.707764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.707764] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 262.707764] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 262.707764] free:13768 free_pcp:583 free_cma:0 [ 262.713105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.713121] Call Trace: [ 262.719982] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.722396] dump_stack+0x1c4/0x2b4 [ 262.755265] Node 0 [ 262.764639] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.767219] 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 [ 262.794887] warn_alloc.cold.118+0xb7/0x1bd [ 262.798485] lowmem_reserve[]: [ 262.800723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.805881] 0 2815 [ 262.831423] ? lock_downgrade+0x900/0x900 [ 262.835721] 6318 [ 262.838829] ? trace_hardirqs_off+0xb8/0x300 [ 262.843637] 6318 [ 262.845877] ? trace_hardirqs_off+0xb8/0x300 [ 262.850001] Node 0 [ 262.852093] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.856491] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 262.858564] ? warn_alloc+0x120/0x120 [ 262.862906] lowmem_reserve[]: 0 [ 262.865153] ? warn_alloc+0x120/0x120 [ 262.869958] 0 3503 [ 262.896872] ? print_usage_bug+0xc0/0xc0 [ 262.900646] 3503 [ 262.903921] ? warn_alloc+0x120/0x120 [ 262.909927] ? print_usage_bug+0xc0/0xc0 [ 262.913961] Node 0 [ 262.916027] ? __lock_acquire+0x7ec/0x4ec0 [ 262.919826] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 262.923861] ? __lock_acquire+0x7ec/0x4ec0 [ 262.926074] lowmem_reserve[]: [ 262.930314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.958743] 0 0 [ 262.962997] ? should_fail+0x22d/0xd01 [ 262.966062] 0 0 [ 262.971608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.977475] ? __lock_acquire+0x7ec/0x4ec0 [ 262.979424] Node 0 [ 262.984526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.988737] DMA: [ 262.990976] ? __lock_acquire+0x7ec/0x4ec0 [ 262.996061] 1*4kB [ 262.998126] ? should_fail+0x22d/0xd01 [ 263.002333] (U) [ 263.004491] ? mark_held_locks+0x130/0x130 [ 263.008344] 0*8kB [ 263.010314] ? mark_held_locks+0x130/0x130 [ 263.014517] 0*16kB 1*32kB [ 263.016671] ? graph_lock+0x170/0x170 [ 263.020881] (U) [ 263.023720] ? graph_lock+0x170/0x170 [ 263.027494] 2*64kB [ 263.029463] ? graph_lock+0x170/0x170 [ 263.033239] (U) [ 263.035472] ? print_usage_bug+0xc0/0xc0 [ 263.039250] 1*128kB [ 263.041225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.045257] (U) [ 263.047579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.053089] 1*256kB [ 263.055063] ? check_preemption_disabled+0x48/0x200 [ 263.060578] (U) [ 263.062908] ? check_preemption_disabled+0x48/0x200 [ 263.067900] 0*512kB [ 263.069884] ? __lock_is_held+0xb5/0x140 [ 263.074883] 1*1024kB [ 263.077224] __alloc_pages_nodemask+0xa80/0xde0 [ 263.081254] (U) [ 263.083661] ? graph_lock+0x170/0x170 [ 263.088307] 1*2048kB [ 263.090282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.094054] (M) [ 263.096463] ? graph_lock+0x170/0x170 [ 263.101452] 3*4096kB [ 263.103436] ? find_held_lock+0x36/0x1c0 [ 263.107203] (M) [ 263.109616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.113648] = 15908kB [ 263.115628] ? lock_downgrade+0x900/0x900 [ 263.120271] Node 0 [ 263.122683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.126796] DMA32: [ 263.129053] cache_grow_begin+0x91/0x8c0 [ 263.134567] 4*4kB [ 263.136802] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.140834] (UM) [ 263.142987] fallback_alloc+0x203/0x2e0 [ 263.147362] 2*8kB [ 263.149423] ____cache_alloc_node+0x1c7/0x1e0 [ 263.153371] (M) [ 263.155517] kmem_cache_alloc_node+0xe3/0x730 [ 263.159977] 1*16kB (M) [ 263.161956] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.166426] 1*32kB [ 263.169013] __alloc_skb+0x119/0x770 [ 263.173215] (M) [ 263.175450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.179133] 3*64kB [ 263.181112] ? skb_scrub_packet+0x490/0x490 [ 263.186354] (UM) [ 263.188596] ? lock_downgrade+0x900/0x900 [ 263.192889] 3*128kB [ 263.194955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.199072] (M) [ 263.201396] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.206898] 2*256kB (M) [ 263.208881] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.214308] 3*512kB [ 263.216980] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.222403] (M) [ 263.224732] ndisc_alloc_skb+0x144/0x340 [ 263.229098] 4*1024kB (UM) [ 263.231084] ndisc_send_rs+0x331/0x6e0 [ 263.235120] 3*2048kB [ 263.237963] addrconf_rs_timer+0x3c0/0x6f0 [ 263.241813] (M) 3*4096kB [ 263.244227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.248451] (M) [ 263.251220] call_timer_fn+0x272/0x920 [ 263.255411] = 25232kB [ 263.255420] Node 0 [ 263.257395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.261247] Normal: 1065*4kB [ 263.263661] ? process_timeout+0x40/0x40 [ 263.265871] (MEH) [ 263.270097] ? find_held_lock+0x36/0x1c0 [ 263.270127] ? __run_timers+0x7da/0xc70 [ 263.273192] 487*8kB (ME) [ 263.277263] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.279386] 153*16kB [ 263.283448] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.287394] (MEH) [ 263.290153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.294637] 77*32kB (UM) [ 263.297055] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.301515] 0*64kB 1*128kB [ 263.303673] ? trace_hardirqs_on+0xbd/0x310 [ 263.307878] (H) [ 263.310630] ? kasan_check_read+0x11/0x20 [ 263.315188] 1*256kB [ 263.318123] ? __run_timers+0x7da/0xc70 [ 263.322427] (U) [ 263.324404] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.328524] 1*512kB [ 263.330844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.334788] (U) [ 263.336764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.342603] 0*1024kB [ 263.344932] __run_timers+0x7e5/0xc70 [ 263.349134] 0*2048kB [ 263.351121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.355310] 0*4096kB = 13964kB [ 263.357727] ? compat_start_thread+0x80/0x80 [ 263.361507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.363910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.369247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.369256] 412 total pagecache pages [ 263.372445] ? kasan_check_write+0x14/0x20 [ 263.376832] 0 pages in swap cache [ 263.385664] ? finish_task_switch+0x2f5/0x900 [ 263.391177] Swap cache stats: add 0, delete 0, find 0/0 [ 263.399751] ? __switch_to_asm+0x40/0x70 [ 263.399774] ? preempt_notifier_register+0x200/0x200 [ 263.403562] Free swap = 0kB [ 263.407793] ? __switch_to_asm+0x34/0x70 [ 263.411220] Total swap = 0kB [ 263.415712] ? __switch_to_asm+0x40/0x70 [ 263.421049] 1965979 pages RAM [ 263.425113] ? __switch_to_asm+0x34/0x70 [ 263.430184] 0 pages HighMem/MovableOnly [ 263.433201] ? __switch_to_asm+0x40/0x70 [ 263.437253] 343323 pages reserved [ 263.437262] 0 pages cma reserved [ 263.440281] ? __switch_to_asm+0x34/0x70 [ 263.444410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.447409] ? __switch_to_asm+0x40/0x70 [ 263.447435] ? pvclock_read_flags+0x160/0x160 [ 263.451527] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.455438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.459475] syz-executor0 cpuset= [ 263.462924] ? check_preemption_disabled+0x48/0x200 [ 263.466262] syz0 [ 263.470327] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 263.476794] mems_allowed=0 [ 263.480856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.525442] ? rcu_pm_notify+0xc0/0xc0 [ 263.529340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.534878] ? check_preemption_disabled+0x48/0x200 [ 263.539907] run_timer_softirq+0x52/0xb0 [ 263.543971] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.548990] __do_softirq+0x30b/0xad8 [ 263.552807] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.557909] ? trace_hardirqs_off_caller+0x300/0x300 [ 263.563013] ? trace_hardirqs_on+0x310/0x310 [ 263.567433] ? schedule+0x108/0x460 [ 263.571065] ? __schedule+0x1ed0/0x1ed0 [ 263.575045] ? trace_hardirqs_off+0xb8/0x300 [ 263.579477] ? ___might_sleep+0x1ed/0x300 [ 263.583625] ? smpboot_thread_fn+0x68b/0xa00 [ 263.588034] ? trace_hardirqs_on+0x310/0x310 [ 263.592444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.597981] ? check_preemption_disabled+0x48/0x200 [ 263.602998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.608541] ? takeover_tasklets+0xa90/0xa90 [ 263.612964] run_ksoftirqd+0x94/0x100 [ 263.616765] smpboot_thread_fn+0x68b/0xa00 [ 263.621002] ? sort_range+0x30/0x30 [ 263.624634] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.629741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.635282] ? __kthread_parkme+0xfb/0x1a0 [ 263.639521] kthread+0x35a/0x420 [ 263.642913] ? sort_range+0x30/0x30 [ 263.646540] ? kthread_bind+0x40/0x40 [ 263.650353] ret_from_fork+0x3a/0x50 [ 263.654092] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 263.654183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.661378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.661390] Call Trace: [ 263.667978] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.677214] [ 263.679788] ksoftirqd/1 cpuset= [ 263.690106] dump_stack+0x1c4/0x2b4 [ 263.692237] / [ 263.695513] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.699149] mems_allowed=0 [ 263.700872] warn_alloc.cold.118+0xb7/0x1bd [ 263.713274] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.718128] ? lock_downgrade+0x900/0x900 [ 263.722291] ? trace_hardirqs_off+0xb8/0x300 [ 263.726707] ? trace_hardirqs_off+0xb8/0x300 [ 263.731125] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.736001] ? warn_alloc+0x120/0x120 [ 263.739807] ? warn_alloc+0x120/0x120 [ 263.743619] ? print_usage_bug+0xc0/0xc0 [ 263.747682] ? warn_alloc+0x120/0x120 [ 263.751490] ? print_usage_bug+0xc0/0xc0 [ 263.755564] ? __lock_acquire+0x7ec/0x4ec0 [ 263.759804] ? __lock_acquire+0x7ec/0x4ec0 [ 263.764048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.769591] ? should_fail+0x22d/0xd01 [ 263.773486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.778594] ? __lock_acquire+0x7ec/0x4ec0 [ 263.782839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.787948] ? __lock_acquire+0x7ec/0x4ec0 [ 263.792186] ? should_fail+0x22d/0xd01 [ 263.796091] ? mark_held_locks+0x130/0x130 [ 263.800336] ? mark_held_locks+0x130/0x130 [ 263.804590] ? graph_lock+0x170/0x170 [ 263.808399] ? graph_lock+0x170/0x170 [ 263.812225] ? graph_lock+0x170/0x170 [ 263.816027] ? print_usage_bug+0xc0/0xc0 [ 263.820091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.825635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.831174] ? check_preemption_disabled+0x48/0x200 [ 263.836200] ? check_preemption_disabled+0x48/0x200 [ 263.841230] ? __lock_is_held+0xb5/0x140 [ 263.845301] __alloc_pages_nodemask+0xa80/0xde0 [ 263.849983] ? graph_lock+0x170/0x170 [ 263.853791] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.858807] ? graph_lock+0x170/0x170 [ 263.862626] ? find_held_lock+0x36/0x1c0 [ 263.866705] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.871380] ? lock_downgrade+0x900/0x900 [ 263.875539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.881091] cache_grow_begin+0x91/0x8c0 [ 263.885156] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.889583] fallback_alloc+0x203/0x2e0 [ 263.893581] ____cache_alloc_node+0x1c7/0x1e0 [ 263.898093] kmem_cache_alloc_node+0xe3/0x730 [ 263.902595] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.906850] __alloc_skb+0x119/0x770 [ 263.910612] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.915893] ? skb_scrub_packet+0x490/0x490 [ 263.920223] ? lock_downgrade+0x900/0x900 [ 263.924380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.929924] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.935382] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.940841] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.945269] ndisc_alloc_skb+0x144/0x340 [ 263.949338] ndisc_send_rs+0x331/0x6e0 [ 263.953231] addrconf_rs_timer+0x3c0/0x6f0 [ 263.957475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.961724] call_timer_fn+0x272/0x920 [ 263.965618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.969858] ? process_timeout+0x40/0x40 [ 263.973916] ? find_held_lock+0x36/0x1c0 [ 263.978026] ? __run_timers+0x7da/0xc70 [ 263.982007] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.986503] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.991001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.995236] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.999823] ? trace_hardirqs_on+0xbd/0x310 [ 264.004141] ? kasan_check_read+0x11/0x20 [ 264.008290] ? __run_timers+0x7da/0xc70 [ 264.012266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.017737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.021978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.026214] __run_timers+0x7e5/0xc70 [ 264.030033] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.035396] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.040416] ? graph_lock+0x170/0x170 [ 264.044223] ? enqueue_hrtimer+0x1a5/0x560 [ 264.048493] ? lock_release+0x970/0x970 [ 264.052470] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.057672] ? find_held_lock+0x36/0x1c0 [ 264.061737] ? graph_lock+0x170/0x170 [ 264.065538] ? pvclock_read_flags+0x160/0x160 [ 264.070046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.075758] ? check_preemption_disabled+0x48/0x200 [ 264.080787] ? __lock_is_held+0xb5/0x140 [ 264.084852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.090404] ? check_preemption_disabled+0x48/0x200 [ 264.095444] run_timer_softirq+0x52/0xb0 [ 264.099506] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.104528] __do_softirq+0x30b/0xad8 [ 264.108349] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.113461] ? pvclock_read_flags+0x160/0x160 [ 264.117955] ? lapic_next_event+0x5a/0x90 [ 264.122105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.127645] ? check_preemption_disabled+0x48/0x200 [ 264.132660] ? check_preemption_disabled+0x48/0x200 [ 264.137684] ? kvm_clock_read+0x18/0x30 [ 264.141659] ? kvm_sched_clock_read+0x9/0x20 [ 264.146071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.151616] ? check_preemption_disabled+0x48/0x200 [ 264.156652] irq_exit+0x17f/0x1c0 [ 264.160109] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.164954] ? smp_reschedule_interrupt+0x109/0x650 [ 264.169975] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.175862] ? interrupt_entry+0xb5/0xf0 [ 264.179926] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.184939] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.189957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.194800] ? trace_hardirqs_off+0x300/0x300 [ 264.199294] ? trace_hardirqs_off+0x300/0x300 [ 264.203792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.209330] ? check_preemption_disabled+0x48/0x200 [ 264.214346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.219896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.224755] apic_timer_interrupt+0xf/0x20 [ 264.228983] [ 264.231229] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 264.236158] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 264.255068] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 264.262783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 264.270051] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 264.277325] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 264.284614] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 264.291887] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 264.299211] skb_clone+0x1bb/0x500 [ 264.302757] ? finish_task_switch+0x1b5/0x900 [ 264.307259] ? skb_split+0x11e0/0x11e0 [ 264.311156] ? preempt_notifier_register+0x200/0x200 [ 264.316263] ? __switch_to_asm+0x34/0x70 [ 264.320327] ? __switch_to_asm+0x34/0x70 [ 264.324389] ? __switch_to_asm+0x40/0x70 [ 264.328449] ? __switch_to_asm+0x34/0x70 [ 264.332512] ? __switch_to_asm+0x40/0x70 [ 264.336591] ? __switch_to_asm+0x34/0x70 [ 264.340668] ? __switch_to_asm+0x40/0x70 [ 264.344741] ? __switch_to_asm+0x34/0x70 [ 264.348810] ? __switch_to_asm+0x34/0x70 [ 264.352871] ? __switch_to_asm+0x40/0x70 [ 264.356933] ? __switch_to_asm+0x34/0x70 [ 264.361012] bpf_clone_redirect+0xb9/0x490 [ 264.365252] ? __schedule+0x874/0x1ed0 [ 264.369147] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 264.374174] ? __sched_text_start+0x8/0x8 [ 264.378328] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.383102] ? find_held_lock+0x36/0x1c0 [ 264.387172] ? lock_acquire+0x1ed/0x520 [ 264.391157] ? bpf_test_run+0x32e/0x5a0 [ 264.395144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.400690] ? check_preemption_disabled+0x48/0x200 [ 264.405722] ? kasan_check_read+0x11/0x20 [ 264.409875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.415158] ? rcu_bh_qs+0xc0/0xc0 [ 264.418724] ? preempt_schedule+0x4d/0x60 [ 264.422879] ? ___preempt_schedule+0x16/0x18 [ 264.427312] ? bpf_test_run+0x1c0/0x5a0 [ 264.431309] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.435728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.441271] ? bpf_test_init.isra.9+0x70/0x100 [ 264.445862] ? bpf_prog_test_run_skb+0x634/0xb40 [ 264.450637] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.455483] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.461022] ? fput+0x130/0x1a0 [ 264.464303] ? __bpf_prog_get+0x9b/0x290 [ 264.468370] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.473423] ? bpf_prog_test_run+0x130/0x1a0 [ 264.477839] ? __x64_sys_bpf+0x3d8/0x510 [ 264.481900] ? bpf_prog_get+0x20/0x20 [ 264.485709] ? ksys_ioctl+0x81/0xd0 [ 264.489351] ? do_syscall_64+0x1b9/0x820 [ 264.493417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.498789] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.503730] ? trace_hardirqs_off+0x300/0x300 [ 264.508234] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.513255] ? recalc_sigpending_tsk+0x180/0x180 [ 264.518016] ? kasan_check_write+0x14/0x20 [ 264.522261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.527116] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.532512] warn_alloc_show_mem: 1 callbacks suppressed [ 264.532525] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 264.532527] Mem-Info: [ 264.532568] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 264.532568] active_file:14 inactive_file:18 isolated_file:1 [ 264.532568] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.532568] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 264.532568] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 264.532568] free:13768 free_pcp:583 free_cma:0 [ 264.537918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.544771] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.547170] Call Trace: [ 264.580050] Node 0 [ 264.589417] dump_stack+0x1c4/0x2b4 [ 264.617097] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.619663] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.621862] lowmem_reserve[]: [ 264.625494] warn_alloc.cold.118+0xb7/0x1bd [ 264.650966] 0 2815 [ 264.656175] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.659248] 6318 [ 264.663570] ? lock_downgrade+0x900/0x900 [ 264.665779] 6318 [ 264.670617] ? trace_hardirqs_off+0xb8/0x300 [ 264.676795] ? trace_hardirqs_off+0xb8/0x300 [ 264.678835] Node 0 [ 264.683250] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.687659] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 264.689890] ? warn_alloc+0x120/0x120 [ 264.694676] lowmem_reserve[]: 0 [ 264.721593] ? warn_alloc+0x120/0x120 [ 264.725361] 0 3503 [ 264.728645] ? print_usage_bug+0xc0/0xc0 [ 264.732411] 3503 [ 264.734675] ? warn_alloc+0x120/0x120 [ 264.738710] Node 0 [ 264.740766] ? print_usage_bug+0xc0/0xc0 [ 264.744575] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 264.746780] ? __lock_acquire+0x7ec/0x4ec0 [ 264.750809] lowmem_reserve[]: 0 [ 264.779285] ? __lock_acquire+0x7ec/0x4ec0 [ 264.783497] 0 [ 264.786779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.790976] 0 0 [ 264.792786] ? should_fail+0x22d/0xd01 [ 264.800287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.804147] Node 0 [ 264.809253] ? __lock_acquire+0x7ec/0x4ec0 [ 264.809257] DMA: 1*4kB [ 264.811499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.815709] (U) [ 264.818290] ? __lock_acquire+0x7ec/0x4ec0 [ 264.823362] 0*8kB 0*16kB [ 264.825349] ? should_fail+0x22d/0xd01 [ 264.829549] 1*32kB (U) [ 264.832325] ? print_usage_bug+0xc0/0xc0 [ 264.836187] 2*64kB [ 264.838774] ? mark_held_locks+0x130/0x130 [ 264.842796] (U) 1*128kB [ 264.845042] ? mark_held_locks+0x130/0x130 [ 264.849246] (U) [ 264.851922] ? graph_lock+0x170/0x170 [ 264.856116] 1*256kB (U) [ 264.858099] ? print_usage_bug+0xc0/0xc0 [ 264.861869] 0*512kB 1*1024kB [ 264.864544] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.868581] (U) [ 264.871686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.876412] 1*2048kB [ 264.878386] ? check_preemption_disabled+0x48/0x200 [ 264.883888] (M) 3*4096kB [ 264.886312] ? check_preemption_disabled+0x48/0x200 [ 264.891300] (M) [ 264.894066] ? __lock_is_held+0xb5/0x140 [ 264.899047] = 15908kB [ 264.901025] __alloc_pages_nodemask+0xa80/0xde0 [ 264.905046] Node 0 DMA32: [ 264.907463] ? graph_lock+0x170/0x170 [ 264.912103] 4*4kB [ 264.914946] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.918720] (UM) [ 264.920866] ? graph_lock+0x170/0x170 [ 264.925851] 2*8kB (M) [ 264.927929] ? find_held_lock+0x36/0x1c0 [ 264.931695] 1*16kB [ 264.934198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.938217] (M) 1*32kB [ 264.940462] ? lock_downgrade+0x900/0x900 [ 264.945096] (M) 3*64kB [ 264.947697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.951807] (UM) 3*128kB [ 264.954403] cache_grow_begin+0x91/0x8c0 [ 264.959907] (M) [ 264.962668] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.966702] 2*256kB (M) [ 264.968699] fallback_alloc+0x203/0x2e0 [ 264.973074] 3*512kB [ 264.975751] ____cache_alloc_node+0x1c7/0x1e0 [ 264.979693] (M) [ 264.982017] kmem_cache_alloc_node+0xe3/0x730 [ 264.986481] 4*1024kB [ 264.988455] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.992923] (UM) [ 264.995335] __alloc_skb+0x119/0x770 [ 264.999539] 3*2048kB [ 265.001607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.005293] (M) [ 265.007704] ? skb_scrub_packet+0x490/0x490 [ 265.012952] 3*4096kB [ 265.014925] ? lock_downgrade+0x900/0x900 [ 265.019216] (M) = 25232kB [ 265.021639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.025755] Node 0 [ 265.028510] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.034017] Normal: [ 265.036249] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.041673] 1065*4kB [ 265.043994] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.049413] (MEH) [ 265.051838] ndisc_alloc_skb+0x144/0x340 [ 265.056203] 487*8kB (ME) [ 265.058360] ndisc_send_rs+0x331/0x6e0 [ 265.062386] 153*16kB (MEH) [ 265.065156] addrconf_rs_timer+0x3c0/0x6f0 [ 265.069014] 77*32kB [ 265.072034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.076236] (UM) [ 265.078575] call_timer_fn+0x272/0x920 [ 265.082770] 0*64kB [ 265.084834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.088691] 1*128kB [ 265.090925] ? process_timeout+0x40/0x40 [ 265.095128] (H) [ 265.097449] ? find_held_lock+0x36/0x1c0 [ 265.101483] 1*256kB (U) [ 265.103472] ? __run_timers+0x7da/0xc70 [ 265.107495] 1*512kB [ 265.110163] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.114099] (U) 0*1024kB [ 265.116429] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.120896] 0*2048kB [ 265.123650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.128113] 0*4096kB = 13964kB [ 265.130528] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.134744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.137927] ? trace_hardirqs_on+0xbd/0x310 [ 265.142489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.142499] 412 total pagecache pages [ 265.151348] ? kasan_check_read+0x11/0x20 [ 265.155651] 0 pages in swap cache [ 265.164222] ? __run_timers+0x7da/0xc70 [ 265.167998] Swap cache stats: add 0, delete 0, find 0/0 [ 265.172148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.175576] Free swap = 0kB [ 265.179550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.184886] Total swap = 0kB [ 265.184894] 1965979 pages RAM [ 265.190350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.193339] 0 pages HighMem/MovableOnly [ 265.197581] __run_timers+0x7e5/0xc70 [ 265.200579] 343323 pages reserved [ 265.203693] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.207889] 0 pages cma reserved [ 265.211859] ? compat_start_thread+0x80/0x80 [ 265.215710] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.219084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.224529] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.227783] ? kasan_check_write+0x14/0x20 [ 265.232164] syz-executor0 cpuset= [ 265.238660] ? finish_task_switch+0x2f5/0x900 [ 265.244172] syz0 [ 265.254659] ? __switch_to_asm+0x40/0x70 [ 265.254683] ? preempt_notifier_register+0x200/0x200 [ 265.258902] mems_allowed=0 [ 265.262351] ? __switch_to_asm+0x34/0x70 [ 265.284874] ? __switch_to_asm+0x40/0x70 [ 265.288944] ? __switch_to_asm+0x34/0x70 [ 265.293015] ? __switch_to_asm+0x40/0x70 [ 265.297086] ? __switch_to_asm+0x34/0x70 [ 265.301161] ? __switch_to_asm+0x40/0x70 [ 265.305247] ? pvclock_read_flags+0x160/0x160 [ 265.309755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.315312] ? check_preemption_disabled+0x48/0x200 [ 265.320361] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 265.325915] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.331204] ? rcu_pm_notify+0xc0/0xc0 [ 265.335099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.340811] ? check_preemption_disabled+0x48/0x200 [ 265.345839] run_timer_softirq+0x52/0xb0 [ 265.349906] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.354929] __do_softirq+0x30b/0xad8 [ 265.358749] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.363852] ? trace_hardirqs_off_caller+0x300/0x300 [ 265.368954] ? trace_hardirqs_on+0x310/0x310 [ 265.373371] ? schedule+0x108/0x460 [ 265.377005] ? __schedule+0x1ed0/0x1ed0 [ 265.380990] ? trace_hardirqs_off+0xb8/0x300 [ 265.385406] ? ___might_sleep+0x1ed/0x300 [ 265.389561] ? smpboot_thread_fn+0x68b/0xa00 [ 265.393974] ? trace_hardirqs_on+0x310/0x310 [ 265.398480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.404023] ? check_preemption_disabled+0x48/0x200 [ 265.409047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.414699] ? takeover_tasklets+0xa90/0xa90 [ 265.419139] run_ksoftirqd+0x94/0x100 [ 265.422949] smpboot_thread_fn+0x68b/0xa00 [ 265.427195] ? sort_range+0x30/0x30 [ 265.430831] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.435946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.441497] ? __kthread_parkme+0xfb/0x1a0 [ 265.445747] kthread+0x35a/0x420 [ 265.449126] ? sort_range+0x30/0x30 [ 265.452762] ? kthread_bind+0x40/0x40 [ 265.456588] ret_from_fork+0x3a/0x50 [ 265.460332] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 265.460430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.467619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.467624] Call Trace: [ 265.467631] [ 265.467651] dump_stack+0x1c4/0x2b4 [ 265.467666] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.467693] warn_alloc.cold.118+0xb7/0x1bd [ 265.474363] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.483608] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.486166] ksoftirqd/1 cpuset= [ 265.488313] ? lock_downgrade+0x900/0x900 [ 265.491912] / [ 265.497099] ? trace_hardirqs_off+0xb8/0x300 [ 265.501403] mems_allowed=0 [ 265.511730] ? trace_hardirqs_off+0xb8/0x300 [ 265.537406] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.542294] ? warn_alloc+0x120/0x120 [ 265.546106] ? trace_hardirqs_on+0x310/0x310 [ 265.550520] ? warn_alloc+0x120/0x120 [ 265.554336] ? print_usage_bug+0xc0/0xc0 [ 265.558404] ? warn_alloc+0x120/0x120 [ 265.562210] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.567247] ? print_usage_bug+0xc0/0xc0 [ 265.571315] ? __lock_acquire+0x7ec/0x4ec0 [ 265.575560] ? __lock_acquire+0x7ec/0x4ec0 [ 265.579802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.585341] ? should_fail+0x22d/0xd01 [ 265.589239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.594346] ? __lock_acquire+0x7ec/0x4ec0 [ 265.598601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.603721] ? __lock_acquire+0x7ec/0x4ec0 [ 265.607957] ? should_fail+0x22d/0xd01 [ 265.611843] ? print_usage_bug+0xc0/0xc0 [ 265.615916] ? mark_held_locks+0x130/0x130 [ 265.620155] ? mark_held_locks+0x130/0x130 [ 265.624408] ? graph_lock+0x170/0x170 [ 265.628209] ? print_usage_bug+0xc0/0xc0 [ 265.632274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.637031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.642574] ? check_preemption_disabled+0x48/0x200 [ 265.647591] ? check_preemption_disabled+0x48/0x200 [ 265.652637] ? __lock_is_held+0xb5/0x140 [ 265.656709] __alloc_pages_nodemask+0xa80/0xde0 [ 265.661377] ? graph_lock+0x170/0x170 [ 265.665185] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.670196] ? graph_lock+0x170/0x170 [ 265.674013] ? find_held_lock+0x36/0x1c0 [ 265.678083] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.682757] ? lock_downgrade+0x900/0x900 [ 265.686913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.692458] cache_grow_begin+0x91/0x8c0 [ 265.696528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.700954] fallback_alloc+0x203/0x2e0 [ 265.704938] ____cache_alloc_node+0x1c7/0x1e0 [ 265.709441] kmem_cache_alloc_node+0xe3/0x730 [ 265.714031] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.718296] __alloc_skb+0x119/0x770 [ 265.722030] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.727321] ? skb_scrub_packet+0x490/0x490 [ 265.731648] ? lock_downgrade+0x900/0x900 [ 265.735805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.741344] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.746802] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.752261] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.756686] ndisc_alloc_skb+0x144/0x340 [ 265.760756] ndisc_send_rs+0x331/0x6e0 [ 265.764654] addrconf_rs_timer+0x3c0/0x6f0 [ 265.768895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.773145] call_timer_fn+0x272/0x920 [ 265.777034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.781270] ? process_timeout+0x40/0x40 [ 265.785336] ? find_held_lock+0x36/0x1c0 [ 265.789414] ? __run_timers+0x7da/0xc70 [ 265.793401] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.797904] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.802406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.806650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.811237] ? trace_hardirqs_on+0xbd/0x310 [ 265.815570] ? kasan_check_read+0x11/0x20 [ 265.819726] ? __run_timers+0x7da/0xc70 [ 265.823708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.829172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.833419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.837663] __run_timers+0x7e5/0xc70 [ 265.841479] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.846854] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.851883] ? graph_lock+0x170/0x170 [ 265.855692] ? enqueue_hrtimer+0x1a5/0x560 [ 265.859926] ? lock_release+0x970/0x970 [ 265.863915] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.869123] ? find_held_lock+0x36/0x1c0 [ 265.873200] ? graph_lock+0x170/0x170 [ 265.877009] ? pvclock_read_flags+0x160/0x160 [ 265.881513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.887050] ? check_preemption_disabled+0x48/0x200 [ 265.892090] ? __lock_is_held+0xb5/0x140 [ 265.896158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.901703] ? check_preemption_disabled+0x48/0x200 [ 265.906734] run_timer_softirq+0x52/0xb0 [ 265.910799] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.915821] __do_softirq+0x30b/0xad8 [ 265.919662] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.924790] ? pvclock_read_flags+0x160/0x160 [ 265.929289] ? lapic_next_event+0x5a/0x90 [ 265.933438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.938978] ? check_preemption_disabled+0x48/0x200 [ 265.943993] ? check_preemption_disabled+0x48/0x200 [ 265.949020] ? kvm_clock_read+0x18/0x30 [ 265.952995] ? kvm_sched_clock_read+0x9/0x20 [ 265.957407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.962946] ? check_preemption_disabled+0x48/0x200 [ 265.967979] irq_exit+0x17f/0x1c0 [ 265.971441] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.976283] ? smp_reschedule_interrupt+0x109/0x650 [ 265.981307] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.987197] ? interrupt_entry+0xb5/0xf0 [ 265.991263] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.996277] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.001299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.006144] ? trace_hardirqs_off+0x300/0x300 [ 266.010645] ? trace_hardirqs_off+0x300/0x300 [ 266.015163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.020703] ? check_preemption_disabled+0x48/0x200 [ 266.025720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.031278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.036140] apic_timer_interrupt+0xf/0x20 [ 266.040369] [ 266.042618] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 266.047559] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 266.066734] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 266.074452] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 266.081724] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 266.088997] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 266.096266] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 266.103536] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 266.110862] skb_clone+0x1bb/0x500 [ 266.114406] ? finish_task_switch+0x1b5/0x900 [ 266.118908] ? skb_split+0x11e0/0x11e0 [ 266.122810] ? preempt_notifier_register+0x200/0x200 [ 266.127925] ? __switch_to_asm+0x34/0x70 [ 266.131990] ? __switch_to_asm+0x34/0x70 [ 266.136050] ? __switch_to_asm+0x40/0x70 [ 266.140107] ? __switch_to_asm+0x34/0x70 [ 266.144165] ? __switch_to_asm+0x40/0x70 [ 266.148226] ? __switch_to_asm+0x34/0x70 [ 266.152285] ? __switch_to_asm+0x40/0x70 [ 266.156343] ? __switch_to_asm+0x34/0x70 [ 266.160405] ? __switch_to_asm+0x34/0x70 [ 266.164466] ? __switch_to_asm+0x40/0x70 [ 266.168528] ? __switch_to_asm+0x34/0x70 [ 266.172625] bpf_clone_redirect+0xb9/0x490 [ 266.176870] ? __schedule+0x874/0x1ed0 [ 266.180766] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 266.185800] ? __sched_text_start+0x8/0x8 [ 266.189954] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.194728] ? find_held_lock+0x36/0x1c0 [ 266.198798] ? lock_acquire+0x1ed/0x520 [ 266.202788] ? bpf_test_run+0x32e/0x5a0 [ 266.206767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.212306] ? check_preemption_disabled+0x48/0x200 [ 266.217326] ? kasan_check_read+0x11/0x20 [ 266.221476] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.226760] ? rcu_bh_qs+0xc0/0xc0 [ 266.230305] ? preempt_schedule+0x4d/0x60 [ 266.234460] ? ___preempt_schedule+0x16/0x18 [ 266.238883] ? bpf_test_run+0x1c0/0x5a0 [ 266.242872] ? netlink_diag_dump+0x2a0/0x2a0 [ 266.247289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.252833] ? bpf_test_init.isra.9+0x70/0x100 [ 266.257423] ? bpf_prog_test_run_skb+0x634/0xb40 [ 266.262191] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.267034] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.272577] ? fput+0x130/0x1a0 [ 266.275867] ? __bpf_prog_get+0x9b/0x290 [ 266.279939] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.284788] ? bpf_prog_test_run+0x130/0x1a0 [ 266.289211] ? __x64_sys_bpf+0x3d8/0x510 [ 266.293286] ? bpf_prog_get+0x20/0x20 [ 266.297107] ? ksys_ioctl+0x81/0xd0 [ 266.300751] ? do_syscall_64+0x1b9/0x820 [ 266.304815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.310196] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.315148] ? trace_hardirqs_off+0x300/0x300 [ 266.319654] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.324690] ? recalc_sigpending_tsk+0x180/0x180 [ 266.329471] ? kasan_check_write+0x14/0x20 [ 266.333724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.338590] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.343979] warn_alloc_show_mem: 1 callbacks suppressed [ 266.343991] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 266.343993] Mem-Info: [ 266.344026] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 266.344026] active_file:14 inactive_file:18 isolated_file:1 [ 266.344026] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.344026] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 266.344026] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 266.344026] free:13768 free_pcp:583 free_cma:0 [ 266.349360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.349369] Call Trace: [ 266.356227] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.358646] dump_stack+0x1c4/0x2b4 [ 266.391513] Node 0 [ 266.400879] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.403455] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.431131] warn_alloc.cold.118+0xb7/0x1bd [ 266.434722] lowmem_reserve[]: [ 266.436960] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.442118] 0 2815 [ 266.467650] ? lock_downgrade+0x900/0x900 [ 266.472413] 6318 [ 266.475567] ? trace_hardirqs_off+0xb8/0x300 [ 266.480366] 6318 [ 266.482618] ? trace_hardirqs_off+0xb8/0x300 [ 266.486739] Node 0 [ 266.488809] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.493203] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 266.495269] ? warn_alloc+0x120/0x120 [ 266.499619] lowmem_reserve[]: 0 [ 266.501872] ? warn_alloc+0x120/0x120 [ 266.506676] 0 3503 [ 266.533607] ? print_usage_bug+0xc0/0xc0 [ 266.537399] 3503 [ 266.540689] ? warn_alloc+0x120/0x120 [ 266.546704] ? print_usage_bug+0xc0/0xc0 [ 266.550735] Node 0 [ 266.552802] ? __lock_acquire+0x7ec/0x4ec0 [ 266.556608] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 266.560647] ? __lock_acquire+0x7ec/0x4ec0 [ 266.562850] lowmem_reserve[]: 0 [ 266.567097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.595524] 0 0 [ 266.599789] ? should_fail+0x22d/0xd01 [ 266.603038] 0 [ 266.608582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.614411] ? __lock_acquire+0x7ec/0x4ec0 [ 266.616188] Node 0 [ 266.621286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.625489] DMA: 1*4kB [ 266.627762] ? __lock_acquire+0x7ec/0x4ec0 [ 266.632832] (U) 0*8kB [ 266.635428] ? should_fail+0x22d/0xd01 [ 266.639636] 0*16kB 1*32kB [ 266.642143] ? print_usage_bug+0xc0/0xc0 [ 266.646003] (U) [ 266.648856] ? mark_held_locks+0x130/0x130 [ 266.652884] 2*64kB [ 266.654862] ? mark_held_locks+0x130/0x130 [ 266.659062] (U) [ 266.661302] ? graph_lock+0x170/0x170 [ 266.665505] 1*128kB (U) [ 266.667489] ? print_usage_bug+0xc0/0xc0 [ 266.671254] 1*256kB (U) [ 266.673934] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.677967] 0*512kB [ 266.680637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.685361] 1*1024kB (U) [ 266.687691] ? check_preemption_disabled+0x48/0x200 [ 266.693202] 1*2048kB (M) [ 266.695969] ? check_preemption_disabled+0x48/0x200 [ 266.700955] 3*4096kB (M) [ 266.703730] ? __lock_is_held+0xb5/0x140 [ 266.708706] = 15908kB [ 266.708715] Node 0 [ 266.711478] __alloc_pages_nodemask+0xa80/0xde0 [ 266.715496] DMA32: 4*4kB [ 266.717913] ? graph_lock+0x170/0x170 [ 266.720114] (UM) 2*8kB [ 266.724792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.727519] (M) [ 266.731319] ? graph_lock+0x170/0x170 [ 266.731345] ? find_held_lock+0x36/0x1c0 [ 266.733910] 1*16kB [ 266.738939] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.740887] (M) [ 266.744690] ? lock_downgrade+0x900/0x900 [ 266.748725] 1*32kB [ 266.750968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.755592] (M) 3*64kB [ 266.757587] cache_grow_begin+0x91/0x8c0 [ 266.761695] (UM) 3*128kB [ 266.763943] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.769459] (M) [ 266.772057] fallback_alloc+0x203/0x2e0 [ 266.776075] 2*256kB (M) [ 266.778850] ____cache_alloc_node+0x1c7/0x1e0 [ 266.783221] 3*512kB (M) [ 266.785208] kmem_cache_alloc_node+0xe3/0x730 [ 266.789163] 4*1024kB (UM) [ 266.791844] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.796304] 3*2048kB (M) [ 266.798985] __alloc_skb+0x119/0x770 [ 266.803439] 3*4096kB (M) [ 266.806292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.810488] = 25232kB [ 266.810496] Node 0 [ 266.813256] ? skb_scrub_packet+0x490/0x490 [ 266.816932] Normal: 1065*4kB [ 266.819696] ? lock_downgrade+0x900/0x900 [ 266.824945] (MEH) [ 266.827359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.829573] 487*8kB [ 266.833893] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.836969] (ME) [ 266.841124] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.843244] 153*16kB [ 266.848778] ? addrconf_rs_timer+0x6f0/0x6f0 [ 266.851074] (MEH) [ 266.856531] ndisc_alloc_skb+0x144/0x340 [ 266.858567] 77*32kB [ 266.864016] ndisc_send_rs+0x331/0x6e0 [ 266.866398] (UM) [ 266.870807] addrconf_rs_timer+0x3c0/0x6f0 [ 266.872927] 0*64kB [ 266.876985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.879276] 1*128kB (H) [ 266.883196] call_timer_fn+0x272/0x920 [ 266.885214] 1*256kB (U) [ 266.889454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.891659] 1*512kB (U) [ 266.895898] ? process_timeout+0x40/0x40 [ 266.898543] 0*1024kB [ 266.902434] ? find_held_lock+0x36/0x1c0 [ 266.905080] 0*2048kB [ 266.909319] ? __run_timers+0x7da/0xc70 [ 266.911951] 0*4096kB = 13964kB [ 266.916021] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.918412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.922459] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.924851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.928815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.931979] 412 total pagecache pages [ 266.936471] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.945287] 0 pages in swap cache [ 266.949782] ? trace_hardirqs_on+0xbd/0x310 [ 266.958331] Swap cache stats: add 0, delete 0, find 0/0 [ 266.958340] Free swap = 0kB [ 266.962586] ? kasan_check_read+0x11/0x20 [ 266.966362] Total swap = 0kB [ 266.970961] ? __run_timers+0x7da/0xc70 [ 266.974388] 1965979 pages RAM [ 266.978709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.984044] 0 pages HighMem/MovableOnly [ 266.987063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.991174] 343323 pages reserved [ 266.991182] 0 pages cma reserved [ 266.994200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.998216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.001254] __run_timers+0x7e5/0xc70 [ 267.006781] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.010659] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.014857] syz-executor0 cpuset= [ 267.018311] ? compat_start_thread+0x80/0x80 [ 267.021654] syz0 [ 267.025894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.032371] mems_allowed=0 [ 267.036173] ? kasan_check_write+0x14/0x20 [ 267.074460] ? finish_task_switch+0x2f5/0x900 [ 267.078964] ? __switch_to_asm+0x40/0x70 [ 267.083034] ? preempt_notifier_register+0x200/0x200 [ 267.088143] ? __switch_to_asm+0x34/0x70 [ 267.092207] ? __switch_to_asm+0x40/0x70 [ 267.096269] ? __switch_to_asm+0x34/0x70 [ 267.100328] ? __switch_to_asm+0x40/0x70 [ 267.104388] ? __switch_to_asm+0x34/0x70 [ 267.108446] ? __switch_to_asm+0x40/0x70 [ 267.112524] ? pvclock_read_flags+0x160/0x160 [ 267.117029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.122579] ? check_preemption_disabled+0x48/0x200 [ 267.127612] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 267.133155] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.138530] ? rcu_pm_notify+0xc0/0xc0 [ 267.142455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.147998] ? check_preemption_disabled+0x48/0x200 [ 267.153029] run_timer_softirq+0x52/0xb0 [ 267.157091] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.162123] __do_softirq+0x30b/0xad8 [ 267.165939] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.171048] ? trace_hardirqs_off_caller+0x300/0x300 [ 267.176151] ? trace_hardirqs_on+0x310/0x310 [ 267.180577] ? schedule+0x108/0x460 [ 267.184213] ? __schedule+0x1ed0/0x1ed0 [ 267.188196] ? trace_hardirqs_off+0xb8/0x300 [ 267.192611] ? ___might_sleep+0x1ed/0x300 [ 267.196758] ? smpboot_thread_fn+0x68b/0xa00 [ 267.201177] ? trace_hardirqs_on+0x310/0x310 [ 267.205594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.211226] ? check_preemption_disabled+0x48/0x200 [ 267.216245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.221807] ? takeover_tasklets+0xa90/0xa90 [ 267.226224] run_ksoftirqd+0x94/0x100 [ 267.230031] smpboot_thread_fn+0x68b/0xa00 [ 267.234274] ? sort_range+0x30/0x30 [ 267.237910] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.243040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.248591] ? __kthread_parkme+0xfb/0x1a0 [ 267.252833] kthread+0x35a/0x420 [ 267.256204] ? sort_range+0x30/0x30 [ 267.259829] ? kthread_bind+0x40/0x40 [ 267.263639] ret_from_fork+0x3a/0x50 [ 267.267374] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 267.267456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.274650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.274655] Call Trace: [ 267.274662] [ 267.274681] dump_stack+0x1c4/0x2b4 [ 267.274698] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.274725] warn_alloc.cold.118+0xb7/0x1bd [ 267.281252] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.290640] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.293193] ksoftirqd/1 cpuset= [ 267.295336] ? lock_downgrade+0x900/0x900 [ 267.298934] / [ 267.304126] ? trace_hardirqs_off+0xb8/0x300 [ 267.308423] mems_allowed=0 [ 267.318735] ? trace_hardirqs_off+0xb8/0x300 [ 267.344858] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.349737] ? warn_alloc+0x120/0x120 [ 267.353548] ? trace_hardirqs_on+0x310/0x310 [ 267.357968] ? warn_alloc+0x120/0x120 [ 267.361773] ? print_usage_bug+0xc0/0xc0 [ 267.365843] ? warn_alloc+0x120/0x120 [ 267.369651] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 267.374672] ? print_usage_bug+0xc0/0xc0 [ 267.378737] ? __lock_acquire+0x7ec/0x4ec0 [ 267.382974] ? __lock_acquire+0x7ec/0x4ec0 [ 267.387218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.392760] ? should_fail+0x22d/0xd01 [ 267.396653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.401757] ? __lock_acquire+0x7ec/0x4ec0 [ 267.405997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.411102] ? __lock_acquire+0x7ec/0x4ec0 [ 267.415338] ? should_fail+0x22d/0xd01 [ 267.419226] ? print_usage_bug+0xc0/0xc0 [ 267.423296] ? mark_held_locks+0x130/0x130 [ 267.427538] ? mark_held_locks+0x130/0x130 [ 267.431788] ? graph_lock+0x170/0x170 [ 267.435595] ? print_usage_bug+0xc0/0xc0 [ 267.439663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.444432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.449983] ? check_preemption_disabled+0x48/0x200 [ 267.455005] ? check_preemption_disabled+0x48/0x200 [ 267.460041] ? __lock_is_held+0xb5/0x140 [ 267.464113] __alloc_pages_nodemask+0xa80/0xde0 [ 267.468788] ? graph_lock+0x170/0x170 [ 267.472601] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.477631] ? graph_lock+0x170/0x170 [ 267.481448] ? find_held_lock+0x36/0x1c0 [ 267.485524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.490205] ? lock_downgrade+0x900/0x900 [ 267.494365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.499934] cache_grow_begin+0x91/0x8c0 [ 267.504005] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.508434] fallback_alloc+0x203/0x2e0 [ 267.512424] ____cache_alloc_node+0x1c7/0x1e0 [ 267.516929] kmem_cache_alloc_node+0xe3/0x730 [ 267.521428] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.525676] __alloc_skb+0x119/0x770 [ 267.529391] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.534675] ? skb_scrub_packet+0x490/0x490 [ 267.539001] ? lock_downgrade+0x900/0x900 [ 267.543164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.548724] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.554195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.559658] ? addrconf_rs_timer+0x6f0/0x6f0 [ 267.564081] ndisc_alloc_skb+0x144/0x340 [ 267.568150] ndisc_send_rs+0x331/0x6e0 [ 267.572046] addrconf_rs_timer+0x3c0/0x6f0 [ 267.576290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.580544] call_timer_fn+0x272/0x920 [ 267.584447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.588689] ? process_timeout+0x40/0x40 [ 267.592750] ? find_held_lock+0x36/0x1c0 [ 267.596827] ? __run_timers+0x7da/0xc70 [ 267.600810] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.605318] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.609814] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.614050] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.618641] ? trace_hardirqs_on+0xbd/0x310 [ 267.622965] ? kasan_check_read+0x11/0x20 [ 267.627119] ? __run_timers+0x7da/0xc70 [ 267.631098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.636571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.640816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.645055] __run_timers+0x7e5/0xc70 [ 267.648871] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.654241] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.659260] ? graph_lock+0x170/0x170 [ 267.663073] ? enqueue_hrtimer+0x1a5/0x560 [ 267.667310] ? lock_release+0x970/0x970 [ 267.671287] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.676485] ? find_held_lock+0x36/0x1c0 [ 267.680648] ? graph_lock+0x170/0x170 [ 267.684454] ? pvclock_read_flags+0x160/0x160 [ 267.688965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.694506] ? check_preemption_disabled+0x48/0x200 [ 267.699537] ? __lock_is_held+0xb5/0x140 [ 267.703609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.709156] ? check_preemption_disabled+0x48/0x200 [ 267.714184] run_timer_softirq+0x52/0xb0 [ 267.718249] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.723272] __do_softirq+0x30b/0xad8 [ 267.727089] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.732201] ? pvclock_read_flags+0x160/0x160 [ 267.736720] ? lapic_next_event+0x5a/0x90 [ 267.740873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.746426] ? check_preemption_disabled+0x48/0x200 [ 267.751453] ? check_preemption_disabled+0x48/0x200 [ 267.756486] ? kvm_clock_read+0x18/0x30 [ 267.760466] ? kvm_sched_clock_read+0x9/0x20 [ 267.764881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.770426] ? check_preemption_disabled+0x48/0x200 [ 267.775475] irq_exit+0x17f/0x1c0 [ 267.778933] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.783779] ? smp_reschedule_interrupt+0x109/0x650 [ 267.788818] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.794708] ? interrupt_entry+0xb5/0xf0 [ 267.798782] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.803799] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.808823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.813680] ? trace_hardirqs_off+0x300/0x300 [ 267.818177] ? trace_hardirqs_off+0x300/0x300 [ 267.822679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.828222] ? check_preemption_disabled+0x48/0x200 [ 267.833240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.838791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.843651] apic_timer_interrupt+0xf/0x20 [ 267.847879] [ 267.850119] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 267.855055] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 267.873964] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 267.881685] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 267.888962] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 267.896237] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 267.903511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 267.910786] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 267.918107] skb_clone+0x1bb/0x500 [ 267.921653] ? finish_task_switch+0x1b5/0x900 [ 267.926158] ? skb_split+0x11e0/0x11e0 [ 267.930051] ? preempt_notifier_register+0x200/0x200 [ 267.935156] ? __switch_to_asm+0x34/0x70 [ 267.939311] ? __switch_to_asm+0x34/0x70 [ 267.943376] ? __switch_to_asm+0x40/0x70 [ 267.947444] ? __switch_to_asm+0x34/0x70 [ 267.951515] ? __switch_to_asm+0x40/0x70 [ 267.955591] ? __switch_to_asm+0x34/0x70 [ 267.959682] ? __switch_to_asm+0x40/0x70 [ 267.963747] ? __switch_to_asm+0x34/0x70 [ 267.967811] ? __switch_to_asm+0x34/0x70 [ 267.971871] ? __switch_to_asm+0x40/0x70 [ 267.975931] ? __switch_to_asm+0x34/0x70 [ 267.980003] bpf_clone_redirect+0xb9/0x490 [ 267.984244] ? __schedule+0x874/0x1ed0 [ 267.988141] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 267.993169] ? __sched_text_start+0x8/0x8 [ 267.997323] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.002100] ? find_held_lock+0x36/0x1c0 [ 268.006175] ? lock_acquire+0x1ed/0x520 [ 268.010156] ? bpf_test_run+0x32e/0x5a0 [ 268.014136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.019687] ? check_preemption_disabled+0x48/0x200 [ 268.024712] ? kasan_check_read+0x11/0x20 [ 268.028867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.034153] ? rcu_bh_qs+0xc0/0xc0 [ 268.037699] ? preempt_schedule+0x4d/0x60 [ 268.041850] ? ___preempt_schedule+0x16/0x18 [ 268.046279] ? bpf_test_run+0x1c0/0x5a0 [ 268.050268] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.054687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.060224] ? bpf_test_init.isra.9+0x70/0x100 [ 268.064813] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.069605] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.074468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.080042] ? fput+0x130/0x1a0 [ 268.083326] ? __bpf_prog_get+0x9b/0x290 [ 268.087392] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.092237] ? bpf_prog_test_run+0x130/0x1a0 [ 268.096658] ? __x64_sys_bpf+0x3d8/0x510 [ 268.100808] ? bpf_prog_get+0x20/0x20 [ 268.104628] ? ksys_ioctl+0x81/0xd0 [ 268.108274] ? do_syscall_64+0x1b9/0x820 [ 268.112338] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.117713] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.122662] ? trace_hardirqs_off+0x300/0x300 [ 268.127166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.132210] ? recalc_sigpending_tsk+0x180/0x180 [ 268.136971] ? kasan_check_write+0x14/0x20 [ 268.141219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.146077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.151459] warn_alloc_show_mem: 1 callbacks suppressed [ 268.151470] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 268.151472] Mem-Info: [ 268.151505] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 268.151505] active_file:14 inactive_file:18 isolated_file:1 [ 268.151505] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.151505] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 268.151505] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 268.151505] free:13768 free_pcp:583 free_cma:0 [ 268.156852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.163699] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.166097] Call Trace: [ 268.198974] Node 0 [ 268.208357] dump_stack+0x1c4/0x2b4 [ 268.236041] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 268.238607] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.240802] lowmem_reserve[]: 0 [ 268.244442] warn_alloc.cold.118+0xb7/0x1bd [ 268.269921] 2815 [ 268.275122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.278363] 6318 [ 268.282682] ? lock_downgrade+0x900/0x900 [ 268.284729] 6318 [ 268.289590] ? trace_hardirqs_off+0xb8/0x300 [ 268.291629] Node 0 [ 268.295799] ? trace_hardirqs_off+0xb8/0x300 [ 268.298049] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 268.302436] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.304642] lowmem_reserve[]: [ 268.309078] ? warn_alloc+0x120/0x120 [ 268.335931] 0 [ 268.340786] ? warn_alloc+0x120/0x120 [ 268.343860] 0 [ 268.347665] ? print_usage_bug+0xc0/0xc0 [ 268.349441] 3503 [ 268.353242] ? warn_alloc+0x120/0x120 [ 268.355014] 3503 [ 268.359100] ? print_usage_bug+0xc0/0xc0 [ 268.361136] Node 0 [ 268.364957] ? __lock_acquire+0x7ec/0x4ec0 [ 268.367116] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 268.371161] ? __lock_acquire+0x7ec/0x4ec0 [ 268.373368] lowmem_reserve[]: 0 [ 268.377611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.406049] 0 0 [ 268.410301] ? should_fail+0x22d/0xd01 [ 268.413541] 0 [ 268.419094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.421045] Node 0 [ 268.424930] ? __lock_acquire+0x7ec/0x4ec0 [ 268.426713] DMA: [ 268.431818] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.434030] 1*4kB [ 268.438256] ? __lock_acquire+0x7ec/0x4ec0 [ 268.438274] ? should_fail+0x22d/0xd01 [ 268.440315] (U) [ 268.445425] ? mark_held_locks+0x130/0x130 [ 268.447539] 0*8kB [ 268.451782] ? mark_held_locks+0x130/0x130 [ 268.455642] 0*16kB 1*32kB [ 268.457624] ? graph_lock+0x170/0x170 [ 268.461839] (U) [ 268.463988] ? graph_lock+0x170/0x170 [ 268.468198] 2*64kB [ 268.471499] ? graph_lock+0x170/0x170 [ 268.475278] (U) [ 268.477259] ? print_usage_bug+0xc0/0xc0 [ 268.481033] 1*128kB [ 268.483275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.487047] (U) [ 268.489027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.493062] 1*256kB [ 268.495385] ? check_preemption_disabled+0x48/0x200 [ 268.500897] (U) [ 268.502877] ? check_preemption_disabled+0x48/0x200 [ 268.508389] 0*512kB 1*1024kB [ 268.510742] ? __lock_is_held+0xb5/0x140 [ 268.515719] (U) [ 268.517702] __alloc_pages_nodemask+0xa80/0xde0 [ 268.522690] 1*2048kB [ 268.525796] ? graph_lock+0x170/0x170 [ 268.529821] (M) 3*4096kB [ 268.531808] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.536453] (M) [ 268.538866] ? graph_lock+0x170/0x170 [ 268.542641] = 15908kB [ 268.545404] ? find_held_lock+0x36/0x1c0 [ 268.550392] Node 0 [ 268.552377] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.556135] DMA32: 4*4kB [ 268.558551] ? lock_downgrade+0x900/0x900 [ 268.562589] (UM) [ 268.564831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.569460] 2*8kB (M) [ 268.572227] cache_grow_begin+0x91/0x8c0 [ 268.576344] 1*16kB [ 268.578407] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.583910] (M) 1*32kB [ 268.586428] fallback_alloc+0x203/0x2e0 [ 268.590453] (M) 3*64kB [ 268.592709] ____cache_alloc_node+0x1c7/0x1e0 [ 268.597082] (UM) [ 268.599673] kmem_cache_alloc_node+0xe3/0x730 [ 268.603619] 3*128kB [ 268.606201] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.610671] (M) [ 268.612738] __alloc_skb+0x119/0x770 [ 268.617193] 2*256kB (M) [ 268.619593] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.623798] 3*512kB (M) [ 268.625787] ? skb_scrub_packet+0x490/0x490 [ 268.629464] 4*1024kB (UM) [ 268.632147] ? lock_downgrade+0x900/0x900 [ 268.637400] 3*2048kB [ 268.640075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.644353] (M) 3*4096kB [ 268.647210] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.651333] (M) [ 268.653747] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.659248] = 25232kB [ 268.659257] Node 0 [ 268.662021] ? addrconf_rs_timer+0x6f0/0x6f0 [ 268.667443] Normal: 1065*4kB [ 268.669444] ndisc_alloc_skb+0x144/0x340 [ 268.674851] (MEH) 487*8kB [ 268.677280] ndisc_send_rs+0x331/0x6e0 [ 268.679479] (ME) 153*16kB [ 268.683902] addrconf_rs_timer+0x3c0/0x6f0 [ 268.686979] (MEH) [ 268.691048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.693864] 77*32kB [ 268.697764] call_timer_fn+0x272/0x920 [ 268.700575] (UM) [ 268.704807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.706929] 0*64kB [ 268.711163] ? process_timeout+0x40/0x40 [ 268.713452] 1*128kB (H) [ 268.717346] ? find_held_lock+0x36/0x1c0 [ 268.719381] 1*256kB (U) [ 268.723629] ? __run_timers+0x7da/0xc70 [ 268.725838] 1*512kB [ 268.729893] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.732538] (U) [ 268.736604] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.739252] 0*1024kB [ 268.743221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.745515] 0*2048kB [ 268.750006] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.751958] 0*4096kB [ 268.756447] ? trace_hardirqs_on+0xbd/0x310 [ 268.758836] = 13964kB [ 268.763059] ? kasan_check_read+0x11/0x20 [ 268.765455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.770029] ? __run_timers+0x7da/0xc70 [ 268.772413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.776745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.779133] 412 total pagecache pages [ 268.783277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.792092] 0 pages in swap cache [ 268.796098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.804660] Swap cache stats: add 0, delete 0, find 0/0 [ 268.810121] __run_timers+0x7e5/0xc70 [ 268.813888] Free swap = 0kB [ 268.818138] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.821549] Total swap = 0kB [ 268.825786] ? compat_start_thread+0x80/0x80 [ 268.831119] 1965979 pages RAM [ 268.831127] 0 pages HighMem/MovableOnly [ 268.834930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.837912] 343323 pages reserved [ 268.837920] 0 pages cma reserved [ 268.843283] ? kasan_check_write+0x14/0x20 [ 268.846341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.850677] ? finish_task_switch+0x2f5/0x900 [ 268.853848] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.857722] ? __switch_to_asm+0x40/0x70 [ 268.863232] syz-executor0 cpuset= [ 268.866685] ? preempt_notifier_register+0x200/0x200 [ 268.870024] syz0 [ 268.874260] ? __switch_to_asm+0x34/0x70 [ 268.880735] mems_allowed=0 [ 268.885251] ? __switch_to_asm+0x40/0x70 [ 268.921289] ? __switch_to_asm+0x34/0x70 [ 268.925351] ? __switch_to_asm+0x40/0x70 [ 268.929420] ? __switch_to_asm+0x34/0x70 [ 268.933497] ? __switch_to_asm+0x40/0x70 [ 268.937580] ? pvclock_read_flags+0x160/0x160 [ 268.942085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.947630] ? check_preemption_disabled+0x48/0x200 [ 268.952664] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 268.958208] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.963501] ? rcu_pm_notify+0xc0/0xc0 [ 268.967397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.972939] ? check_preemption_disabled+0x48/0x200 [ 268.977967] run_timer_softirq+0x52/0xb0 [ 268.982035] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.987058] __do_softirq+0x30b/0xad8 [ 268.990880] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.995984] ? trace_hardirqs_off_caller+0x300/0x300 [ 269.001098] ? trace_hardirqs_on+0x310/0x310 [ 269.005539] ? schedule+0x108/0x460 [ 269.009197] ? __schedule+0x1ed0/0x1ed0 [ 269.013183] ? trace_hardirqs_off+0xb8/0x300 [ 269.017602] ? ___might_sleep+0x1ed/0x300 [ 269.021754] ? smpboot_thread_fn+0x68b/0xa00 [ 269.026168] ? trace_hardirqs_on+0x310/0x310 [ 269.030586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.036130] ? check_preemption_disabled+0x48/0x200 [ 269.041150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.046699] ? takeover_tasklets+0xa90/0xa90 [ 269.051121] run_ksoftirqd+0x94/0x100 [ 269.054928] smpboot_thread_fn+0x68b/0xa00 [ 269.059175] ? sort_range+0x30/0x30 [ 269.062808] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.067917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.073461] ? __kthread_parkme+0xfb/0x1a0 [ 269.077711] kthread+0x35a/0x420 [ 269.081083] ? sort_range+0x30/0x30 [ 269.084716] ? kthread_bind+0x40/0x40 [ 269.088523] ret_from_fork+0x3a/0x50 [ 269.092284] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 269.092366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.099567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.099577] Call Trace: [ 269.106202] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.115418] [ 269.117994] ksoftirqd/1 cpuset= [ 269.128310] dump_stack+0x1c4/0x2b4 [ 269.130435] / [ 269.133714] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.137319] mems_allowed=0 [ 269.139035] warn_alloc.cold.118+0xb7/0x1bd [ 269.151439] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.156289] ? lock_downgrade+0x900/0x900 [ 269.160451] ? trace_hardirqs_off+0xb8/0x300 [ 269.164869] ? trace_hardirqs_off+0xb8/0x300 [ 269.169289] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.174170] ? warn_alloc+0x120/0x120 [ 269.177981] ? trace_hardirqs_on+0x310/0x310 [ 269.182392] ? warn_alloc+0x120/0x120 [ 269.186201] ? print_usage_bug+0xc0/0xc0 [ 269.190265] ? warn_alloc+0x120/0x120 [ 269.194069] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 269.199088] ? print_usage_bug+0xc0/0xc0 [ 269.203154] ? __lock_acquire+0x7ec/0x4ec0 [ 269.207395] ? __lock_acquire+0x7ec/0x4ec0 [ 269.211650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.217208] ? should_fail+0x22d/0xd01 [ 269.221110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.226242] ? __lock_acquire+0x7ec/0x4ec0 [ 269.230487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.235600] ? __lock_acquire+0x7ec/0x4ec0 [ 269.239845] ? should_fail+0x22d/0xd01 [ 269.243732] ? print_usage_bug+0xc0/0xc0 [ 269.247815] ? mark_held_locks+0x130/0x130 [ 269.252056] ? mark_held_locks+0x130/0x130 [ 269.256320] ? graph_lock+0x170/0x170 [ 269.260126] ? print_usage_bug+0xc0/0xc0 [ 269.264195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.268956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.274501] ? check_preemption_disabled+0x48/0x200 [ 269.279518] ? check_preemption_disabled+0x48/0x200 [ 269.284553] ? __lock_is_held+0xb5/0x140 [ 269.288642] __alloc_pages_nodemask+0xa80/0xde0 [ 269.293319] ? graph_lock+0x170/0x170 [ 269.297127] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.302144] ? graph_lock+0x170/0x170 [ 269.305961] ? find_held_lock+0x36/0x1c0 [ 269.310035] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.314712] ? lock_downgrade+0x900/0x900 [ 269.318871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.324423] cache_grow_begin+0x91/0x8c0 [ 269.328502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.332926] fallback_alloc+0x203/0x2e0 [ 269.336933] ____cache_alloc_node+0x1c7/0x1e0 [ 269.341853] kmem_cache_alloc_node+0xe3/0x730 [ 269.346356] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.350607] __alloc_skb+0x119/0x770 [ 269.354331] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.359625] ? skb_scrub_packet+0x490/0x490 [ 269.363950] ? lock_downgrade+0x900/0x900 [ 269.368112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.373660] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.379117] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.384582] ? addrconf_rs_timer+0x6f0/0x6f0 [ 269.389009] ndisc_alloc_skb+0x144/0x340 [ 269.393078] ndisc_send_rs+0x331/0x6e0 [ 269.396977] addrconf_rs_timer+0x3c0/0x6f0 [ 269.401218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.405508] call_timer_fn+0x272/0x920 [ 269.409414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.413663] ? process_timeout+0x40/0x40 [ 269.417731] ? find_held_lock+0x36/0x1c0 [ 269.421806] ? __run_timers+0x7da/0xc70 [ 269.425835] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.430332] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.434830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.439066] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.443657] ? trace_hardirqs_on+0xbd/0x310 [ 269.447974] ? kasan_check_read+0x11/0x20 [ 269.452132] ? __run_timers+0x7da/0xc70 [ 269.456112] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.461582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.465829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.470071] __run_timers+0x7e5/0xc70 [ 269.473887] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.479254] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.484274] ? graph_lock+0x170/0x170 [ 269.488084] ? enqueue_hrtimer+0x1a5/0x560 [ 269.492404] ? lock_release+0x970/0x970 [ 269.496382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.501589] ? find_held_lock+0x36/0x1c0 [ 269.505662] ? graph_lock+0x170/0x170 [ 269.509469] ? pvclock_read_flags+0x160/0x160 [ 269.513976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.519521] ? check_preemption_disabled+0x48/0x200 [ 269.524566] ? __lock_is_held+0xb5/0x140 [ 269.528641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.534180] ? check_preemption_disabled+0x48/0x200 [ 269.539210] run_timer_softirq+0x52/0xb0 [ 269.543275] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.548319] __do_softirq+0x30b/0xad8 [ 269.552135] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.557250] ? pvclock_read_flags+0x160/0x160 [ 269.561751] ? lapic_next_event+0x5a/0x90 [ 269.565903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.571442] ? check_preemption_disabled+0x48/0x200 [ 269.576479] ? check_preemption_disabled+0x48/0x200 [ 269.581507] ? kvm_clock_read+0x18/0x30 [ 269.585486] ? kvm_sched_clock_read+0x9/0x20 [ 269.589902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.595442] ? check_preemption_disabled+0x48/0x200 [ 269.600484] irq_exit+0x17f/0x1c0 [ 269.603959] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.608820] ? smp_reschedule_interrupt+0x109/0x650 [ 269.613865] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.619753] ? interrupt_entry+0xb5/0xf0 [ 269.623817] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.628833] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.633854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.638701] ? trace_hardirqs_off+0x300/0x300 [ 269.643200] ? trace_hardirqs_off+0x300/0x300 [ 269.647703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.653245] ? check_preemption_disabled+0x48/0x200 [ 269.658263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.663814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.668684] apic_timer_interrupt+0xf/0x20 [ 269.672913] [ 269.675154] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 269.680091] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 269.699005] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 269.706723] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 269.713993] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 269.721265] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 269.728539] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 269.735823] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 269.743154] skb_clone+0x1bb/0x500 [ 269.746700] ? finish_task_switch+0x1b5/0x900 [ 269.751204] ? skb_split+0x11e0/0x11e0 [ 269.755102] ? preempt_notifier_register+0x200/0x200 [ 269.760209] ? __switch_to_asm+0x34/0x70 [ 269.764270] ? __switch_to_asm+0x34/0x70 [ 269.768334] ? __switch_to_asm+0x40/0x70 [ 269.772416] ? __switch_to_asm+0x34/0x70 [ 269.776478] ? __switch_to_asm+0x40/0x70 [ 269.780539] ? __switch_to_asm+0x34/0x70 [ 269.784607] ? __switch_to_asm+0x40/0x70 [ 269.788700] ? __switch_to_asm+0x34/0x70 [ 269.792767] ? __switch_to_asm+0x34/0x70 [ 269.796829] ? __switch_to_asm+0x40/0x70 [ 269.800893] ? __switch_to_asm+0x34/0x70 [ 269.804974] bpf_clone_redirect+0xb9/0x490 [ 269.809241] ? __schedule+0x874/0x1ed0 [ 269.813149] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 269.818175] ? __sched_text_start+0x8/0x8 [ 269.822327] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.827106] ? find_held_lock+0x36/0x1c0 [ 269.831177] ? lock_acquire+0x1ed/0x520 [ 269.835239] ? bpf_test_run+0x32e/0x5a0 [ 269.839219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.844757] ? check_preemption_disabled+0x48/0x200 [ 269.849779] ? kasan_check_read+0x11/0x20 [ 269.853931] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.859209] ? rcu_bh_qs+0xc0/0xc0 [ 269.862758] ? preempt_schedule+0x4d/0x60 [ 269.866912] ? ___preempt_schedule+0x16/0x18 [ 269.871334] ? bpf_test_run+0x1c0/0x5a0 [ 269.875322] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.879748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.885303] ? bpf_test_init.isra.9+0x70/0x100 [ 269.889903] ? bpf_prog_test_run_skb+0x634/0xb40 [ 269.894681] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.899533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.905089] ? fput+0x130/0x1a0 [ 269.908378] ? __bpf_prog_get+0x9b/0x290 [ 269.912446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.917294] ? bpf_prog_test_run+0x130/0x1a0 [ 269.921711] ? __x64_sys_bpf+0x3d8/0x510 [ 269.925775] ? bpf_prog_get+0x20/0x20 [ 269.929592] ? ksys_ioctl+0x81/0xd0 [ 269.933239] ? do_syscall_64+0x1b9/0x820 [ 269.937307] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.942684] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.947626] ? trace_hardirqs_off+0x300/0x300 [ 269.952129] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.957146] ? recalc_sigpending_tsk+0x180/0x180 [ 269.961906] ? kasan_check_write+0x14/0x20 [ 269.966151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.971006] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.976387] warn_alloc_show_mem: 1 callbacks suppressed [ 269.976399] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 269.976400] Mem-Info: [ 269.976433] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 269.976433] active_file:14 inactive_file:18 isolated_file:1 [ 269.976433] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.976433] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 269.976433] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 269.976433] free:13768 free_pcp:583 free_cma:0 [ 269.981774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.988625] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.991020] Call Trace: [ 270.023900] Node 0 [ 270.033267] dump_stack+0x1c4/0x2b4 [ 270.060946] 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 [ 270.063512] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.065713] lowmem_reserve[]: 0 [ 270.069356] warn_alloc.cold.118+0xb7/0x1bd [ 270.094828] 2815 6318 [ 270.100041] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.103277] 6318 [ 270.107604] ? lock_downgrade+0x900/0x900 [ 270.110079] Node 0 [ 270.114920] ? trace_hardirqs_off+0xb8/0x300 [ 270.116981] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 270.121101] ? trace_hardirqs_off+0xb8/0x300 [ 270.123312] lowmem_reserve[]: [ 270.127726] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.154596] 0 0 [ 270.159051] ? warn_alloc+0x120/0x120 [ 270.162092] 3503 3503 [ 270.166948] ? warn_alloc+0x120/0x120 [ 270.172694] ? print_usage_bug+0xc0/0xc0 [ 270.175168] Node 0 [ 270.178966] ? warn_alloc+0x120/0x120 [ 270.183026] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 270.185236] ? print_usage_bug+0xc0/0xc0 [ 270.189003] lowmem_reserve[]: 0 [ 270.217491] ? __lock_acquire+0x7ec/0x4ec0 [ 270.221523] 0 [ 270.224808] ? __lock_acquire+0x7ec/0x4ec0 [ 270.229010] 0 0 [ 270.230819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.235026] Node 0 [ 270.237003] ? should_fail+0x22d/0xd01 [ 270.242515] DMA: [ 270.244757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.248618] 1*4kB [ 270.250671] ? __lock_acquire+0x7ec/0x4ec0 [ 270.255748] (U) [ 270.257896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.262096] 0*8kB 0*16kB [ 270.264081] ? __lock_acquire+0x7ec/0x4ec0 [ 270.269160] 1*32kB [ 270.271914] ? should_fail+0x22d/0xd01 [ 270.276118] (U) 2*64kB [ 270.278361] ? print_usage_bug+0xc0/0xc0 [ 270.282219] (U) 1*128kB [ 270.284814] ? mark_held_locks+0x130/0x130 [ 270.288833] (U) 1*256kB [ 270.291515] ? mark_held_locks+0x130/0x130 [ 270.295727] (U) [ 270.298406] ? graph_lock+0x170/0x170 [ 270.302601] 0*512kB 1*1024kB [ 270.304589] ? print_usage_bug+0xc0/0xc0 [ 270.308364] (U) [ 270.311469] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.315499] 1*2048kB (M) [ 270.317479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.322210] 3*4096kB [ 270.324985] ? check_preemption_disabled+0x48/0x200 [ 270.330495] (M) [ 270.332903] ? check_preemption_disabled+0x48/0x200 [ 270.337907] = 15908kB [ 270.337916] Node 0 [ 270.339902] ? __lock_is_held+0xb5/0x140 [ 270.344876] DMA32: 4*4kB [ 270.347302] __alloc_pages_nodemask+0xa80/0xde0 [ 270.349505] (UM) [ 270.353568] ? graph_lock+0x170/0x170 [ 270.356301] 2*8kB [ 270.360969] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.363001] (M) [ 270.366797] ? graph_lock+0x170/0x170 [ 270.368922] 1*16kB [ 270.373940] ? find_held_lock+0x36/0x1c0 [ 270.375879] (M) [ 270.379686] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.381887] 1*32kB (M) [ 270.385955] ? lock_downgrade+0x900/0x900 [ 270.387905] 3*64kB [ 270.392579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.395133] (UM) [ 270.399283] cache_grow_begin+0x91/0x8c0 [ 270.401489] 3*128kB (M) [ 270.407044] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.409085] 2*256kB [ 270.413155] fallback_alloc+0x203/0x2e0 [ 270.415801] (M) [ 270.420214] ____cache_alloc_node+0x1c7/0x1e0 [ 270.422507] 3*512kB [ 270.426478] kmem_cache_alloc_node+0xe3/0x730 [ 270.428424] (M) [ 270.432920] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.435219] 4*1024kB [ 270.439714] __alloc_skb+0x119/0x770 [ 270.441660] (UM) [ 270.445898] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.448280] 3*2048kB [ 270.451989] ? skb_scrub_packet+0x490/0x490 [ 270.454027] (M) [ 270.459303] ? lock_downgrade+0x900/0x900 [ 270.461690] 3*4096kB [ 270.466010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.467954] (M) [ 270.472618] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.475010] = 25232kB [ 270.480545] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.482497] Node 0 [ 270.487945] ? addrconf_rs_timer+0x6f0/0x6f0 [ 270.490327] Normal: [ 270.495784] ndisc_alloc_skb+0x144/0x340 [ 270.497987] 1065*4kB [ 270.502414] ndisc_send_rs+0x331/0x6e0 [ 270.504708] (MEH) [ 270.508772] addrconf_rs_timer+0x3c0/0x6f0 [ 270.511157] 487*8kB [ 270.515045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.517166] (ME) [ 270.521408] call_timer_fn+0x272/0x920 [ 270.523694] 153*16kB [ 270.527943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.529981] (MEH) [ 270.533866] ? process_timeout+0x40/0x40 [ 270.536241] 77*32kB (UM) [ 270.540480] ? find_held_lock+0x36/0x1c0 [ 270.542601] 0*64kB 1*128kB [ 270.546677] ? __run_timers+0x7da/0xc70 [ 270.549400] (H) [ 270.553457] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.556361] 1*256kB [ 270.560329] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.562278] (U) [ 270.566767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.566785] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.569086] 1*512kB [ 270.573580] ? trace_hardirqs_on+0xbd/0x310 [ 270.575531] (U) [ 270.579761] ? kasan_check_read+0x11/0x20 [ 270.584315] 0*1024kB 0*2048kB [ 270.586650] ? __run_timers+0x7da/0xc70 [ 270.590940] 0*4096kB [ 270.592911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.597027] = 13964kB [ 270.597041] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.600230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.604175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.604183] 412 total pagecache pages [ 270.606602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.612035] 0 pages in swap cache [ 270.614454] __run_timers+0x7e5/0xc70 [ 270.623269] Swap cache stats: add 0, delete 0, find 0/0 [ 270.627516] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.636050] Free swap = 0kB [ 270.636060] Total swap = 0kB [ 270.639863] ? compat_start_thread+0x80/0x80 [ 270.644072] 1965979 pages RAM [ 270.647525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.651288] 0 pages HighMem/MovableOnly [ 270.651297] 343323 pages reserved [ 270.656665] ? kasan_check_write+0x14/0x20 [ 270.661997] 0 pages cma reserved [ 270.665015] ? finish_task_switch+0x2f5/0x900 [ 270.668079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.672407] ? __switch_to_asm+0x40/0x70 [ 270.672428] ? preempt_notifier_register+0x200/0x200 [ 270.672443] ? __switch_to_asm+0x34/0x70 [ 270.675764] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.681055] ? __switch_to_asm+0x40/0x70 [ 270.681072] ? __switch_to_asm+0x34/0x70 [ 270.685201] syz-executor0 cpuset= [ 270.688645] ? __switch_to_asm+0x40/0x70 [ 270.688661] ? __switch_to_asm+0x34/0x70 [ 270.693058] syz0 [ 270.696349] ? __switch_to_asm+0x40/0x70 [ 270.696375] ? pvclock_read_flags+0x160/0x160 [ 270.696397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.696412] ? check_preemption_disabled+0x48/0x200 [ 270.696438] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 270.701043] mems_allowed=0 [ 270.707531] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.707549] ? rcu_pm_notify+0xc0/0xc0 [ 270.789497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.795044] ? check_preemption_disabled+0x48/0x200 [ 270.800074] run_timer_softirq+0x52/0xb0 [ 270.804143] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.809182] __do_softirq+0x30b/0xad8 [ 270.813004] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.818109] ? trace_hardirqs_off_caller+0x300/0x300 [ 270.823227] ? trace_hardirqs_on+0x310/0x310 [ 270.827649] ? schedule+0x108/0x460 [ 270.831282] ? __schedule+0x1ed0/0x1ed0 [ 270.835265] ? trace_hardirqs_off+0xb8/0x300 [ 270.839684] ? ___might_sleep+0x1ed/0x300 [ 270.843831] ? smpboot_thread_fn+0x68b/0xa00 [ 270.848244] ? trace_hardirqs_on+0x310/0x310 [ 270.852658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.858198] ? check_preemption_disabled+0x48/0x200 [ 270.863221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.868766] ? takeover_tasklets+0xa90/0xa90 [ 270.873181] run_ksoftirqd+0x94/0x100 [ 270.876987] smpboot_thread_fn+0x68b/0xa00 [ 270.881235] ? sort_range+0x30/0x30 [ 270.884870] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.889982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.895524] ? __kthread_parkme+0xfb/0x1a0 [ 270.899781] kthread+0x35a/0x420 [ 270.903152] ? sort_range+0x30/0x30 [ 270.906787] ? kthread_bind+0x40/0x40 [ 270.910601] ret_from_fork+0x3a/0x50 [ 270.914338] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 270.914420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.921621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.921633] Call Trace: [ 270.928260] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.937473] [ 270.940051] ksoftirqd/1 cpuset= [ 270.950366] dump_stack+0x1c4/0x2b4 [ 270.952490] / [ 270.955763] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.959370] mems_allowed=0 [ 270.961091] warn_alloc.cold.118+0xb7/0x1bd [ 270.973500] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.978349] ? lock_downgrade+0x900/0x900 [ 270.982508] ? trace_hardirqs_off+0xb8/0x300 [ 270.986929] ? trace_hardirqs_off+0xb8/0x300 [ 270.991361] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.996259] ? warn_alloc+0x120/0x120 [ 271.000075] ? warn_alloc+0x120/0x120 [ 271.003881] ? print_usage_bug+0xc0/0xc0 [ 271.007952] ? warn_alloc+0x120/0x120 [ 271.011760] ? print_usage_bug+0xc0/0xc0 [ 271.015833] ? check_usage_forwards+0x3e0/0x3e0 [ 271.020510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.026058] ? should_fail+0x22d/0xd01 [ 271.029949] ? __lock_acquire+0x7ec/0x4ec0 [ 271.034195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.039311] ? __lock_acquire+0x7ec/0x4ec0 [ 271.043569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.048683] ? __lock_acquire+0x7ec/0x4ec0 [ 271.053033] ? should_fail+0x22d/0xd01 [ 271.056943] ? mark_held_locks+0x130/0x130 [ 271.061192] ? mark_held_locks+0x130/0x130 [ 271.065437] ? kasan_check_read+0x11/0x20 [ 271.069599] ? __lock_acquire+0x2881/0x4ec0 [ 271.073932] ? try_to_wake_up+0x10a/0x12f0 [ 271.078169] ? graph_lock+0x170/0x170 [ 271.081982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.087522] ? check_preemption_disabled+0x48/0x200 [ 271.092540] ? check_preemption_disabled+0x48/0x200 [ 271.097599] ? __lock_is_held+0xb5/0x140 [ 271.101678] __alloc_pages_nodemask+0xa80/0xde0 [ 271.106353] ? graph_lock+0x170/0x170 [ 271.110168] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.115193] ? graph_lock+0x170/0x170 [ 271.119008] ? find_held_lock+0x36/0x1c0 [ 271.123090] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.127770] ? lock_downgrade+0x900/0x900 [ 271.131942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.137494] cache_grow_begin+0x91/0x8c0 [ 271.141571] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.145995] fallback_alloc+0x203/0x2e0 [ 271.149979] ____cache_alloc_node+0x1c7/0x1e0 [ 271.154493] kmem_cache_alloc_node+0xe3/0x730 [ 271.158993] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.163410] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 271.168004] __alloc_skb+0x119/0x770 [ 271.171727] ? skb_scrub_packet+0x490/0x490 [ 271.176052] ? atomic_notifier_call_chain+0xc6/0x190 [ 271.181165] ? lock_downgrade+0x900/0x900 [ 271.185326] ? check_preemption_disabled+0x48/0x200 [ 271.190370] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 271.196185] ? kasan_check_read+0x11/0x20 [ 271.200341] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.205631] ? rcu_bh_qs+0xc0/0xc0 [ 271.209181] ? do_raw_write_trylock+0x1c0/0x1c0 [ 271.213867] __neigh_notify+0x8c/0x160 [ 271.217760] ? __neigh_event_send+0x1390/0x1390 [ 271.222438] neigh_timer_handler+0x6cb/0xdf0 [ 271.226860] ? neigh_invalidate+0x550/0x550 [ 271.231190] ? __lock_is_held+0xb5/0x140 [ 271.235269] call_timer_fn+0x272/0x920 [ 271.239163] ? neigh_invalidate+0x550/0x550 [ 271.243492] ? process_timeout+0x40/0x40 [ 271.247564] ? find_held_lock+0x36/0x1c0 [ 271.251649] ? __run_timers+0x7da/0xc70 [ 271.255639] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.260135] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.264639] ? neigh_invalidate+0x550/0x550 [ 271.268963] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.273551] ? trace_hardirqs_on+0xbd/0x310 [ 271.277884] ? kasan_check_read+0x11/0x20 [ 271.282039] ? __run_timers+0x7da/0xc70 [ 271.286024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.291497] ? neigh_invalidate+0x550/0x550 [ 271.295821] __run_timers+0x7e5/0xc70 [ 271.299646] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.305018] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.310043] ? graph_lock+0x170/0x170 [ 271.313849] ? enqueue_hrtimer+0x1a5/0x560 [ 271.318087] ? lock_release+0x970/0x970 [ 271.322066] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.327274] ? find_held_lock+0x36/0x1c0 [ 271.331348] ? graph_lock+0x170/0x170 [ 271.335155] ? pvclock_read_flags+0x160/0x160 [ 271.340113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.345662] ? check_preemption_disabled+0x48/0x200 [ 271.350693] ? __lock_is_held+0xb5/0x140 [ 271.354756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.360294] ? check_preemption_disabled+0x48/0x200 [ 271.365322] run_timer_softirq+0x52/0xb0 [ 271.369384] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.374410] __do_softirq+0x30b/0xad8 [ 271.378227] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.383337] ? pvclock_read_flags+0x160/0x160 [ 271.387848] ? lapic_next_event+0x5a/0x90 [ 271.392015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.397571] ? check_preemption_disabled+0x48/0x200 [ 271.402596] ? check_preemption_disabled+0x48/0x200 [ 271.407631] ? kvm_clock_read+0x18/0x30 [ 271.411608] ? kvm_sched_clock_read+0x9/0x20 [ 271.416026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.421575] ? check_preemption_disabled+0x48/0x200 [ 271.426608] irq_exit+0x17f/0x1c0 [ 271.430082] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.434928] ? smp_reschedule_interrupt+0x109/0x650 [ 271.439952] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.445859] ? interrupt_entry+0xb5/0xf0 [ 271.449925] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.454942] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.459966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.464813] ? trace_hardirqs_off+0x300/0x300 [ 271.469311] ? trace_hardirqs_off+0x300/0x300 [ 271.473813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.479351] ? check_preemption_disabled+0x48/0x200 [ 271.484370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.489921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.494782] apic_timer_interrupt+0xf/0x20 [ 271.499010] [ 271.501250] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.506182] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 271.525094] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 271.532813] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 271.540087] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 271.547363] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 271.554642] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 271.561918] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.569244] skb_clone+0x1bb/0x500 [ 271.572789] ? finish_task_switch+0x1b5/0x900 [ 271.577291] ? skb_split+0x11e0/0x11e0 [ 271.581193] ? preempt_notifier_register+0x200/0x200 [ 271.586296] ? __switch_to_asm+0x34/0x70 [ 271.590365] ? __switch_to_asm+0x34/0x70 [ 271.594440] ? __switch_to_asm+0x40/0x70 [ 271.598505] ? __switch_to_asm+0x34/0x70 [ 271.602571] ? __switch_to_asm+0x40/0x70 [ 271.606664] ? __switch_to_asm+0x34/0x70 [ 271.610722] ? __switch_to_asm+0x40/0x70 [ 271.614783] ? __switch_to_asm+0x34/0x70 [ 271.618847] ? __switch_to_asm+0x34/0x70 [ 271.622910] ? __switch_to_asm+0x40/0x70 [ 271.626969] ? __switch_to_asm+0x34/0x70 [ 271.631042] bpf_clone_redirect+0xb9/0x490 [ 271.635282] ? __schedule+0x874/0x1ed0 [ 271.639180] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 271.644210] ? __sched_text_start+0x8/0x8 [ 271.648362] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.653139] ? find_held_lock+0x36/0x1c0 [ 271.657211] ? lock_acquire+0x1ed/0x520 [ 271.661189] ? bpf_test_run+0x32e/0x5a0 [ 271.665169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.670714] ? check_preemption_disabled+0x48/0x200 [ 271.675747] ? kasan_check_read+0x11/0x20 [ 271.679900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.685185] ? rcu_bh_qs+0xc0/0xc0 [ 271.688730] ? preempt_schedule+0x4d/0x60 [ 271.692886] ? ___preempt_schedule+0x16/0x18 [ 271.697311] ? bpf_test_run+0x1c0/0x5a0 [ 271.701298] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.705713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.711253] ? bpf_test_init.isra.9+0x70/0x100 [ 271.715862] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.720641] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.725491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.731032] ? fput+0x130/0x1a0 [ 271.734318] ? __bpf_prog_get+0x9b/0x290 [ 271.738386] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.743230] ? bpf_prog_test_run+0x130/0x1a0 [ 271.747645] ? __x64_sys_bpf+0x3d8/0x510 [ 271.751709] ? bpf_prog_get+0x20/0x20 [ 271.755517] ? ksys_ioctl+0x81/0xd0 [ 271.759159] ? do_syscall_64+0x1b9/0x820 [ 271.763225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.768599] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.773541] ? trace_hardirqs_off+0x300/0x300 [ 271.778049] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.783069] ? recalc_sigpending_tsk+0x180/0x180 [ 271.787832] ? kasan_check_write+0x14/0x20 [ 271.792099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.796971] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.802364] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 271.802369] warn_alloc_show_mem: 1 callbacks suppressed [ 271.802376] Mem-Info: [ 271.809213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.809222] Call Trace: [ 271.814601] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 271.814601] active_file:14 inactive_file:18 isolated_file:1 [ 271.814601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.814601] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 271.814601] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 271.814601] free:13768 free_pcp:583 free_cma:0 [ 271.816987] dump_stack+0x1c4/0x2b4 [ 271.826340] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.828927] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.861792] Node 0 [ 271.865436] warn_alloc.cold.118+0xb7/0x1bd [ 271.893102] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.898272] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.900483] lowmem_reserve[]: [ 271.904803] ? lock_downgrade+0x900/0x900 [ 271.930283] 0 2815 [ 271.935150] ? trace_hardirqs_off+0xb8/0x300 [ 271.938210] 6318 6318 [ 271.942363] ? trace_hardirqs_off+0xb8/0x300 [ 271.948990] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.951458] Node 0 [ 271.955890] ? warn_alloc+0x120/0x120 [ 271.960705] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 271.962914] ? warn_alloc+0x120/0x120 [ 271.966682] lowmem_reserve[]: 0 [ 271.993604] ? print_usage_bug+0xc0/0xc0 [ 271.997384] 0 [ 272.000659] ? warn_alloc+0x120/0x120 [ 272.004690] 3503 [ 272.006485] ? print_usage_bug+0xc0/0xc0 [ 272.010253] 3503 [ 272.012317] ? __lock_acquire+0x7ec/0x4ec0 [ 272.016349] Node 0 [ 272.018407] ? __lock_acquire+0x7ec/0x4ec0 [ 272.022647] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 272.024847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.029046] lowmem_reserve[]: 0 [ 272.057523] ? should_fail+0x22d/0xd01 [ 272.063037] 0 0 [ 272.066336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.070195] 0 [ 272.072173] ? __lock_acquire+0x7ec/0x4ec0 [ 272.077247] Node 0 [ 272.079050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.083254] DMA: [ 272.085490] ? __lock_acquire+0x7ec/0x4ec0 [ 272.090579] 1*4kB [ 272.092662] ? should_fail+0x22d/0xd01 [ 272.096871] (U) [ 272.099022] ? print_usage_bug+0xc0/0xc0 [ 272.102873] 0*8kB 0*16kB [ 272.104862] ? mark_held_locks+0x130/0x130 [ 272.108889] 1*32kB [ 272.111641] ? mark_held_locks+0x130/0x130 [ 272.115848] (U) [ 272.118085] ? graph_lock+0x170/0x170 [ 272.122287] 2*64kB [ 272.124260] ? print_usage_bug+0xc0/0xc0 [ 272.128031] (U) [ 272.130263] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.134298] 1*128kB [ 272.136274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.141002] (U) [ 272.143324] ? check_preemption_disabled+0x48/0x200 [ 272.148830] 1*256kB (U) [ 272.150820] ? check_preemption_disabled+0x48/0x200 [ 272.155812] 0*512kB [ 272.158594] ? __lock_is_held+0xb5/0x140 [ 272.163587] 1*1024kB [ 272.165911] __alloc_pages_nodemask+0xa80/0xde0 [ 272.169942] (U) [ 272.172349] ? graph_lock+0x170/0x170 [ 272.176996] 1*2048kB [ 272.178967] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.182741] (M) [ 272.185154] ? graph_lock+0x170/0x170 [ 272.190138] 3*4096kB (M) [ 272.192133] ? find_held_lock+0x36/0x1c0 [ 272.195890] = 15908kB [ 272.195898] Node 0 [ 272.198661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.202685] DMA32: 4*4kB [ 272.205098] ? lock_downgrade+0x900/0x900 [ 272.207308] (UM) [ 272.211975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.214704] 2*8kB [ 272.218849] cache_grow_begin+0x91/0x8c0 [ 272.220907] (M) [ 272.226443] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.228576] 1*16kB [ 272.232638] fallback_alloc+0x203/0x2e0 [ 272.234586] (M) [ 272.238995] ____cache_alloc_node+0x1c7/0x1e0 [ 272.241200] 1*32kB [ 272.245171] kmem_cache_alloc_node+0xe3/0x730 [ 272.247126] (M) [ 272.251618] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.253833] 3*64kB [ 272.258326] __alloc_skb+0x119/0x770 [ 272.260267] (UM) [ 272.264533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.266745] 3*128kB [ 272.270464] ? skb_scrub_packet+0x490/0x490 [ 272.272502] (M) [ 272.277774] ? lock_downgrade+0x900/0x900 [ 272.280073] 2*256kB [ 272.284394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.286336] (M) [ 272.290484] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.292785] 3*512kB [ 272.298322] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.300270] (M) [ 272.305726] ? addrconf_rs_timer+0x6f0/0x6f0 [ 272.308024] 4*1024kB [ 272.313480] ndisc_alloc_skb+0x144/0x340 [ 272.315419] (UM) [ 272.319826] ndisc_send_rs+0x331/0x6e0 [ 272.322208] 3*2048kB [ 272.326265] addrconf_rs_timer+0x3c0/0x6f0 [ 272.328296] (M) [ 272.332179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.334569] 3*4096kB [ 272.338812] call_timer_fn+0x272/0x920 [ 272.340749] (M) [ 272.344983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.347361] = 25232kB [ 272.347369] Node 0 [ 272.351276] ? process_timeout+0x40/0x40 [ 272.353224] Normal: [ 272.357454] ? find_held_lock+0x36/0x1c0 [ 272.359839] 1065*4kB [ 272.362075] ? __run_timers+0x7da/0xc70 [ 272.366106] (MEH) [ 272.368427] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.372458] 487*8kB (ME) [ 272.374871] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.378820] 153*16kB [ 272.380967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.385434] (MEH) [ 272.388188] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.392654] 77*32kB [ 272.395058] ? trace_hardirqs_on+0xbd/0x310 [ 272.399266] (UM) [ 272.401412] ? kasan_check_read+0x11/0x20 [ 272.405973] 0*64kB [ 272.408294] ? __run_timers+0x7da/0xc70 [ 272.412592] 1*128kB [ 272.414654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.418775] (H) [ 272.421010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.424953] 1*256kB (U) [ 272.427285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.432709] 1*512kB [ 272.434684] __run_timers+0x7e5/0xc70 [ 272.438890] (U) [ 272.441574] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.445774] 0*1024kB [ 272.448095] ? compat_start_thread+0x80/0x80 [ 272.451867] 0*2048kB 0*4096kB [ 272.453851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.459189] = 13964kB [ 272.461600] ? kasan_check_write+0x14/0x20 [ 272.465986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.469182] ? finish_task_switch+0x2f5/0x900 [ 272.475007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.477417] ? __switch_to_asm+0x40/0x70 [ 272.481623] 412 total pagecache pages [ 272.490459] ? preempt_notifier_register+0x200/0x200 [ 272.494927] 0 pages in swap cache [ 272.503506] ? __switch_to_asm+0x34/0x70 [ 272.507547] Swap cache stats: add 0, delete 0, find 0/0 [ 272.507556] Free swap = 0kB [ 272.511365] ? __switch_to_asm+0x40/0x70 [ 272.516438] Total swap = 0kB [ 272.516446] 1965979 pages RAM [ 272.519901] ? __switch_to_asm+0x34/0x70 [ 272.523927] 0 pages HighMem/MovableOnly [ 272.523936] 343323 pages reserved [ 272.529303] ? __switch_to_asm+0x40/0x70 [ 272.532290] 0 pages cma reserved [ 272.532462] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.536359] ? __switch_to_asm+0x34/0x70 [ 272.539352] syz-executor0 cpuset= [ 272.542446] ? __switch_to_asm+0x40/0x70 [ 272.542473] ? pvclock_read_flags+0x160/0x160 [ 272.546500] syz0 [ 272.550475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.553901] mems_allowed=0 [ 272.557952] ? check_preemption_disabled+0x48/0x200 [ 272.603288] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 272.608828] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.614110] ? rcu_pm_notify+0xc0/0xc0 [ 272.618012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.623555] ? check_preemption_disabled+0x48/0x200 [ 272.628603] run_timer_softirq+0x52/0xb0 [ 272.632673] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.637694] __do_softirq+0x30b/0xad8 [ 272.641509] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.646614] ? trace_hardirqs_off_caller+0x300/0x300 [ 272.651719] ? trace_hardirqs_on+0x310/0x310 [ 272.656147] ? schedule+0x108/0x460 [ 272.659784] ? __schedule+0x1ed0/0x1ed0 [ 272.663768] ? trace_hardirqs_off+0xb8/0x300 [ 272.668192] ? ___might_sleep+0x1ed/0x300 [ 272.672349] ? smpboot_thread_fn+0x68b/0xa00 [ 272.676767] ? trace_hardirqs_on+0x310/0x310 [ 272.681182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.686725] ? check_preemption_disabled+0x48/0x200 [ 272.691748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.697294] ? takeover_tasklets+0xa90/0xa90 [ 272.701709] run_ksoftirqd+0x94/0x100 [ 272.705517] smpboot_thread_fn+0x68b/0xa00 [ 272.709756] ? sort_range+0x30/0x30 [ 272.713388] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.718499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.724047] ? __kthread_parkme+0xfb/0x1a0 [ 272.728292] kthread+0x35a/0x420 [ 272.731663] ? sort_range+0x30/0x30 [ 272.735290] ? kthread_bind+0x40/0x40 [ 272.739096] ret_from_fork+0x3a/0x50 [ 272.742840] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 272.742920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.750110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.750126] Call Trace: [ 272.756734] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.765961] [ 272.768532] ksoftirqd/1 cpuset= [ 272.778843] dump_stack+0x1c4/0x2b4 [ 272.781055] / [ 272.784329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.787932] mems_allowed=0 [ 272.789657] warn_alloc.cold.118+0xb7/0x1bd [ 272.802084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.806932] ? lock_downgrade+0x900/0x900 [ 272.811094] ? trace_hardirqs_off+0xb8/0x300 [ 272.815515] ? trace_hardirqs_off+0xb8/0x300 [ 272.819933] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.824811] ? warn_alloc+0x120/0x120 [ 272.828628] ? warn_alloc+0x120/0x120 [ 272.832435] ? print_usage_bug+0xc0/0xc0 [ 272.836500] ? warn_alloc+0x120/0x120 [ 272.840304] ? print_usage_bug+0xc0/0xc0 [ 272.844372] ? graph_lock+0x170/0x170 [ 272.848174] ? kvm_sched_clock_read+0x9/0x20 [ 272.852596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.858140] ? should_fail+0x22d/0xd01 [ 272.862037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.867148] ? __lock_acquire+0x7ec/0x4ec0 [ 272.871404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.876518] ? __lock_acquire+0x7ec/0x4ec0 [ 272.880757] ? should_fail+0x22d/0xd01 [ 272.884667] ? mark_held_locks+0x130/0x130 [ 272.888915] ? mark_held_locks+0x130/0x130 [ 272.893164] ? select_task_rq_fair+0x754/0x34f0 [ 272.897836] ? lock_downgrade+0x900/0x900 [ 272.901983] ? check_preemption_disabled+0x48/0x200 [ 272.907004] ? graph_lock+0x170/0x170 [ 272.910804] ? print_usage_bug+0xc0/0xc0 [ 272.914881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.920420] ? check_preemption_disabled+0x48/0x200 [ 272.925435] ? check_preemption_disabled+0x48/0x200 [ 272.930466] ? __lock_is_held+0xb5/0x140 [ 272.934535] __alloc_pages_nodemask+0xa80/0xde0 [ 272.939214] ? graph_lock+0x170/0x170 [ 272.943027] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.948041] ? graph_lock+0x170/0x170 [ 272.951854] ? find_held_lock+0x36/0x1c0 [ 272.955928] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.960603] ? lock_downgrade+0x900/0x900 [ 272.964764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.970314] cache_grow_begin+0x91/0x8c0 [ 272.974378] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.978802] fallback_alloc+0x203/0x2e0 [ 272.982787] ____cache_alloc_node+0x1c7/0x1e0 [ 272.987293] kmem_cache_alloc_node+0xe3/0x730 [ 272.991793] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.996038] __alloc_skb+0x119/0x770 [ 272.999755] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.005043] ? skb_scrub_packet+0x490/0x490 [ 273.009368] ? lock_downgrade+0x900/0x900 [ 273.013529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.019076] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.024532] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.029999] ? addrconf_rs_timer+0x6f0/0x6f0 [ 273.034431] ndisc_alloc_skb+0x144/0x340 [ 273.038502] ndisc_send_rs+0x331/0x6e0 [ 273.042400] addrconf_rs_timer+0x3c0/0x6f0 [ 273.046647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.050901] call_timer_fn+0x272/0x920 [ 273.054792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.059031] ? process_timeout+0x40/0x40 [ 273.063090] ? find_held_lock+0x36/0x1c0 [ 273.067161] ? __run_timers+0x7da/0xc70 [ 273.071148] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.075662] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.080167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.084407] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.088997] ? trace_hardirqs_on+0xbd/0x310 [ 273.093320] ? kasan_check_read+0x11/0x20 [ 273.097473] ? __run_timers+0x7da/0xc70 [ 273.101453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.106923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.111160] __run_timers+0x7e5/0xc70 [ 273.114975] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.120352] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.125375] ? graph_lock+0x170/0x170 [ 273.129182] ? enqueue_hrtimer+0x1a5/0x560 [ 273.133421] ? lock_release+0x970/0x970 [ 273.137401] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.142606] ? find_held_lock+0x36/0x1c0 [ 273.146683] ? graph_lock+0x170/0x170 [ 273.150486] ? pvclock_read_flags+0x160/0x160 [ 273.154987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.160528] ? check_preemption_disabled+0x48/0x200 [ 273.165574] ? __lock_is_held+0xb5/0x140 [ 273.169645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.175185] ? check_preemption_disabled+0x48/0x200 [ 273.180215] run_timer_softirq+0x52/0xb0 [ 273.184281] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.189326] __do_softirq+0x30b/0xad8 [ 273.193146] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.198264] ? pvclock_read_flags+0x160/0x160 [ 273.202768] ? lapic_next_event+0x5a/0x90 [ 273.206919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.212463] ? check_preemption_disabled+0x48/0x200 [ 273.217480] ? check_preemption_disabled+0x48/0x200 [ 273.222504] ? kvm_clock_read+0x18/0x30 [ 273.226481] ? kvm_sched_clock_read+0x9/0x20 [ 273.230903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.236447] ? check_preemption_disabled+0x48/0x200 [ 273.241484] irq_exit+0x17f/0x1c0 [ 273.244943] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.249792] ? smp_reschedule_interrupt+0x109/0x650 [ 273.254815] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.260702] ? interrupt_entry+0xb5/0xf0 [ 273.264770] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.269790] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.274822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.279683] ? trace_hardirqs_off+0x300/0x300 [ 273.284185] ? trace_hardirqs_off+0x300/0x300 [ 273.288686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.294223] ? check_preemption_disabled+0x48/0x200 [ 273.299238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.304791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.309656] apic_timer_interrupt+0xf/0x20 [ 273.313888] [ 273.316133] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.321065] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 273.340368] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 273.348115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.355392] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 273.362669] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 273.369939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.377214] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.384541] skb_clone+0x1bb/0x500 [ 273.388099] ? finish_task_switch+0x1b5/0x900 [ 273.392608] ? skb_split+0x11e0/0x11e0 [ 273.396513] ? preempt_notifier_register+0x200/0x200 [ 273.401629] ? __switch_to_asm+0x34/0x70 [ 273.405698] ? __switch_to_asm+0x34/0x70 [ 273.409762] ? __switch_to_asm+0x40/0x70 [ 273.413826] ? __switch_to_asm+0x34/0x70 [ 273.417892] ? __switch_to_asm+0x40/0x70 [ 273.421957] ? __switch_to_asm+0x34/0x70 [ 273.426022] ? __switch_to_asm+0x40/0x70 [ 273.430084] ? __switch_to_asm+0x34/0x70 [ 273.434153] ? __switch_to_asm+0x34/0x70 [ 273.438213] ? __switch_to_asm+0x40/0x70 [ 273.442281] ? __switch_to_asm+0x34/0x70 [ 273.446355] bpf_clone_redirect+0xb9/0x490 [ 273.450600] ? __schedule+0x874/0x1ed0 [ 273.454503] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 273.459530] ? __sched_text_start+0x8/0x8 [ 273.463691] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.468468] ? find_held_lock+0x36/0x1c0 [ 273.472540] ? lock_acquire+0x1ed/0x520 [ 273.476533] ? bpf_test_run+0x32e/0x5a0 [ 273.480532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.486089] ? check_preemption_disabled+0x48/0x200 [ 273.491113] ? kasan_check_read+0x11/0x20 [ 273.495265] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.500547] ? rcu_bh_qs+0xc0/0xc0 [ 273.504107] ? preempt_schedule+0x4d/0x60 [ 273.508265] ? ___preempt_schedule+0x16/0x18 [ 273.512692] ? bpf_test_run+0x1c0/0x5a0 [ 273.516684] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.521101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.526652] ? bpf_test_init.isra.9+0x70/0x100 [ 273.531242] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.536011] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.540855] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.546392] ? fput+0x130/0x1a0 [ 273.549678] ? __bpf_prog_get+0x9b/0x290 [ 273.553748] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.558599] ? bpf_prog_test_run+0x130/0x1a0 [ 273.563021] ? __x64_sys_bpf+0x3d8/0x510 [ 273.567087] ? bpf_prog_get+0x20/0x20 [ 273.570902] ? ksys_ioctl+0x81/0xd0 [ 273.574542] ? do_syscall_64+0x1b9/0x820 [ 273.578623] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.584001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.588940] ? trace_hardirqs_off+0x300/0x300 [ 273.593443] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.598472] ? recalc_sigpending_tsk+0x180/0x180 [ 273.603235] ? kasan_check_write+0x14/0x20 [ 273.607487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.612350] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.617737] warn_alloc_show_mem: 1 callbacks suppressed [ 273.617749] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 273.617751] Mem-Info: [ 273.617782] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 273.617782] active_file:14 inactive_file:18 isolated_file:1 [ 273.617782] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.617782] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 273.617782] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 273.617782] free:13768 free_pcp:583 free_cma:0 [ 273.623127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.623137] Call Trace: [ 273.629993] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.632404] dump_stack+0x1c4/0x2b4 [ 273.665271] Node 0 [ 273.674646] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.677231] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 273.704895] warn_alloc.cold.118+0xb7/0x1bd [ 273.708484] lowmem_reserve[]: 0 [ 273.710727] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.715895] 2815 [ 273.741414] ? lock_downgrade+0x900/0x900 [ 273.745709] 6318 [ 273.748992] ? trace_hardirqs_off+0xb8/0x300 [ 273.753804] 6318 [ 273.755867] ? trace_hardirqs_off+0xb8/0x300 [ 273.759984] Node 0 [ 273.762049] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.766454] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 273.768516] ? warn_alloc+0x120/0x120 [ 273.772863] lowmem_reserve[]: 0 [ 273.775105] ? warn_alloc+0x120/0x120 [ 273.779922] 0 [ 273.806826] ? print_usage_bug+0xc0/0xc0 [ 273.810598] 3503 [ 273.813874] ? warn_alloc+0x120/0x120 [ 273.817643] 3503 [ 273.819449] ? print_usage_bug+0xc0/0xc0 [ 273.823484] Node 0 [ 273.825540] ? __lock_acquire+0x7ec/0x4ec0 [ 273.829342] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 273.831377] ? __lock_acquire+0x7ec/0x4ec0 [ 273.835406] lowmem_reserve[]: 0 [ 273.837655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.841856] 0 0 [ 273.870337] ? should_fail+0x22d/0xd01 [ 273.874543] 0 [ 273.877837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.885336] ? __lock_acquire+0x7ec/0x4ec0 [ 273.889198] Node 0 [ 273.891008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.896087] DMA: [ 273.900329] ? __lock_acquire+0x7ec/0x4ec0 [ 273.902536] 1*4kB [ 273.907645] ? should_fail+0x22d/0xd01 [ 273.909679] (U) [ 273.913914] ? print_usage_bug+0xc0/0xc0 [ 273.916034] 0*8kB [ 273.919926] ? mark_held_locks+0x130/0x130 [ 273.921866] 0*16kB [ 273.925923] ? mark_held_locks+0x130/0x130 [ 273.928038] 1*32kB (U) [ 273.932284] ? graph_lock+0x170/0x170 [ 273.934490] 2*64kB [ 273.938721] ? print_usage_bug+0xc0/0xc0 [ 273.941278] (U) [ 273.945074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.947284] 1*128kB [ 273.951342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.953290] (U) [ 273.958040] ? check_preemption_disabled+0x48/0x200 [ 273.960339] 1*256kB [ 273.965870] ? check_preemption_disabled+0x48/0x200 [ 273.967821] (U) [ 273.972842] ? __lock_is_held+0xb5/0x140 [ 273.975125] 0*512kB 1*1024kB [ 273.980156] __alloc_pages_nodemask+0xa80/0xde0 [ 273.982101] (U) [ 273.986168] ? graph_lock+0x170/0x170 [ 273.989250] 1*2048kB [ 273.993922] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.995867] (M) [ 273.999666] ? graph_lock+0x170/0x170 [ 274.002048] 3*4096kB [ 274.007073] ? find_held_lock+0x36/0x1c0 [ 274.009011] (M) [ 274.012814] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.015190] = 15908kB [ 274.019246] ? lock_downgrade+0x900/0x900 [ 274.021199] Node 0 [ 274.025869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.028242] DMA32: 4*4kB [ 274.032398] cache_grow_begin+0x91/0x8c0 [ 274.034608] (UM) [ 274.040147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.042881] 2*8kB [ 274.046947] fallback_alloc+0x203/0x2e0 [ 274.048982] (M) [ 274.053394] ____cache_alloc_node+0x1c7/0x1e0 [ 274.055507] 1*16kB (M) [ 274.059489] kmem_cache_alloc_node+0xe3/0x730 [ 274.061435] 1*32kB [ 274.065932] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.068486] (M) [ 274.072985] __alloc_skb+0x119/0x770 [ 274.075194] 3*64kB [ 274.079432] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.081377] (UM) [ 274.085094] ? skb_scrub_packet+0x490/0x490 [ 274.087301] 3*128kB [ 274.092589] ? lock_downgrade+0x900/0x900 [ 274.094624] (M) [ 274.098953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.101246] 2*256kB [ 274.105394] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.107340] (M) [ 274.112878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.115176] 3*512kB [ 274.120630] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.122587] (M) [ 274.128049] ndisc_alloc_skb+0x144/0x340 [ 274.130336] 4*1024kB [ 274.134750] ndisc_send_rs+0x331/0x6e0 [ 274.136699] (UM) [ 274.140768] addrconf_rs_timer+0x3c0/0x6f0 [ 274.143148] 3*2048kB [ 274.147037] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.149079] (M) [ 274.153327] call_timer_fn+0x272/0x920 [ 274.155703] 3*4096kB [ 274.159938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.161882] (M) [ 274.165772] ? process_timeout+0x40/0x40 [ 274.168154] = 25232kB [ 274.172394] ? find_held_lock+0x36/0x1c0 [ 274.174348] Node 0 [ 274.178421] ? __run_timers+0x7da/0xc70 [ 274.180801] Normal: [ 274.184862] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.187069] 1065*4kB [ 274.191038] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.193332] (MEH) [ 274.197829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.200209] 487*8kB (ME) [ 274.204716] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.206839] 153*16kB [ 274.211068] ? trace_hardirqs_on+0xbd/0x310 [ 274.213799] (MEH) [ 274.218382] ? kasan_check_read+0x11/0x20 [ 274.218401] ? __run_timers+0x7da/0xc70 [ 274.220792] 77*32kB [ 274.225123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.227237] (UM) [ 274.231388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.235334] 0*64kB [ 274.237657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.243090] 1*128kB [ 274.245158] __run_timers+0x7e5/0xc70 [ 274.249364] (H) [ 274.251620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.255821] 1*256kB [ 274.258146] ? compat_start_thread+0x80/0x80 [ 274.261918] (U) [ 274.263893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.269228] 1*512kB (U) [ 274.271569] ? kasan_check_write+0x14/0x20 [ 274.275948] 0*1024kB [ 274.277924] ? finish_task_switch+0x2f5/0x900 [ 274.283432] 0*2048kB 0*4096kB [ 274.286120] ? __switch_to_asm+0x40/0x70 [ 274.290321] = 13964kB [ 274.292736] ? preempt_notifier_register+0x200/0x200 [ 274.297206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.300390] ? __switch_to_asm+0x34/0x70 [ 274.304423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.304432] 412 total pagecache pages [ 274.306838] ? __switch_to_asm+0x40/0x70 [ 274.311922] 0 pages in swap cache [ 274.321015] ? __switch_to_asm+0x34/0x70 [ 274.321031] ? __switch_to_asm+0x40/0x70 [ 274.325078] Swap cache stats: add 0, delete 0, find 0/0 [ 274.325088] Free swap = 0kB [ 274.333675] ? __switch_to_asm+0x34/0x70 [ 274.337451] Total swap = 0kB [ 274.341508] ? __switch_to_asm+0x40/0x70 [ 274.344933] 1965979 pages RAM [ 274.348995] ? pvclock_read_flags+0x160/0x160 [ 274.353022] 0 pages HighMem/MovableOnly [ 274.353031] 343323 pages reserved [ 274.358397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.361380] 0 pages cma reserved [ 274.361486] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.365442] ? check_preemption_disabled+0x48/0x200 [ 274.365467] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 274.365485] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.368546] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.372547] ? rcu_pm_notify+0xc0/0xc0 [ 274.375641] syz-executor0 cpuset= [ 274.380153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.384098] syz0 [ 274.387557] ? check_preemption_disabled+0x48/0x200 [ 274.393082] mems_allowed=0 [ 274.396451] run_timer_softirq+0x52/0xb0 [ 274.455962] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.460990] __do_softirq+0x30b/0xad8 [ 274.464806] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.470366] ? trace_hardirqs_off_caller+0x300/0x300 [ 274.475476] ? trace_hardirqs_on+0x310/0x310 [ 274.479894] ? schedule+0x108/0x460 [ 274.483525] ? __schedule+0x1ed0/0x1ed0 [ 274.487509] ? trace_hardirqs_off+0xb8/0x300 [ 274.491919] ? ___might_sleep+0x1ed/0x300 [ 274.496069] ? smpboot_thread_fn+0x68b/0xa00 [ 274.500480] ? trace_hardirqs_on+0x310/0x310 [ 274.504895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.510439] ? check_preemption_disabled+0x48/0x200 [ 274.515459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.521003] ? takeover_tasklets+0xa90/0xa90 [ 274.525418] run_ksoftirqd+0x94/0x100 [ 274.529226] smpboot_thread_fn+0x68b/0xa00 [ 274.533469] ? sort_range+0x30/0x30 [ 274.537104] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.542217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.547760] ? __kthread_parkme+0xfb/0x1a0 [ 274.552008] kthread+0x35a/0x420 [ 274.555380] ? sort_range+0x30/0x30 [ 274.559003] ? kthread_bind+0x40/0x40 [ 274.562814] ret_from_fork+0x3a/0x50 [ 274.566551] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 274.566641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.573842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.573847] Call Trace: [ 274.573854] [ 274.573874] dump_stack+0x1c4/0x2b4 [ 274.573891] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.580444] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.589755] warn_alloc.cold.118+0xb7/0x1bd [ 274.592306] ksoftirqd/1 cpuset= [ 274.594449] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.598048] / [ 274.603237] ? lock_downgrade+0x900/0x900 [ 274.613522] mems_allowed=0 [ 274.634709] ? trace_hardirqs_off+0xb8/0x300 [ 274.639129] ? trace_hardirqs_off+0xb8/0x300 [ 274.643554] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.648438] ? warn_alloc+0x120/0x120 [ 274.652246] ? warn_alloc+0x120/0x120 [ 274.656054] ? print_usage_bug+0xc0/0xc0 [ 274.660123] ? warn_alloc+0x120/0x120 [ 274.663941] ? print_usage_bug+0xc0/0xc0 [ 274.668019] ? __lock_acquire+0x7ec/0x4ec0 [ 274.672265] ? __lock_acquire+0x7ec/0x4ec0 [ 274.676520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.682075] ? should_fail+0x22d/0xd01 [ 274.685984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.691108] ? __lock_acquire+0x7ec/0x4ec0 [ 274.695371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.700491] ? __lock_acquire+0x7ec/0x4ec0 [ 274.704730] ? should_fail+0x22d/0xd01 [ 274.708642] ? mark_held_locks+0x130/0x130 [ 274.712890] ? mark_held_locks+0x130/0x130 [ 274.717132] ? graph_lock+0x170/0x170 [ 274.720939] ? graph_lock+0x170/0x170 [ 274.724752] ? graph_lock+0x170/0x170 [ 274.728580] ? print_usage_bug+0xc0/0xc0 [ 274.732650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.738196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.743737] ? check_preemption_disabled+0x48/0x200 [ 274.748760] ? check_preemption_disabled+0x48/0x200 [ 274.753806] ? __lock_is_held+0xb5/0x140 [ 274.757893] __alloc_pages_nodemask+0xa80/0xde0 [ 274.762577] ? graph_lock+0x170/0x170 [ 274.766391] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.771413] ? graph_lock+0x170/0x170 [ 274.775233] ? find_held_lock+0x36/0x1c0 [ 274.779319] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.784005] ? lock_downgrade+0x900/0x900 [ 274.788179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.793830] cache_grow_begin+0x91/0x8c0 [ 274.797909] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.802344] fallback_alloc+0x203/0x2e0 [ 274.806351] ____cache_alloc_node+0x1c7/0x1e0 [ 274.810905] kmem_cache_alloc_node+0xe3/0x730 [ 274.815419] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.819673] __alloc_skb+0x119/0x770 [ 274.823398] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.828693] ? skb_scrub_packet+0x490/0x490 [ 274.833027] ? lock_downgrade+0x900/0x900 [ 274.837189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.842736] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.848242] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.853704] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.858134] ndisc_alloc_skb+0x144/0x340 [ 274.862213] ndisc_send_rs+0x331/0x6e0 [ 274.866119] addrconf_rs_timer+0x3c0/0x6f0 [ 274.870368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.874632] call_timer_fn+0x272/0x920 [ 274.878527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.882772] ? process_timeout+0x40/0x40 [ 274.886843] ? find_held_lock+0x36/0x1c0 [ 274.890925] ? __run_timers+0x7da/0xc70 [ 274.894912] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.899411] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.903929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.908170] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.912759] ? trace_hardirqs_on+0xbd/0x310 [ 274.917083] ? kasan_check_read+0x11/0x20 [ 274.921240] ? __run_timers+0x7da/0xc70 [ 274.925224] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.930689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.934945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.939194] __run_timers+0x7e5/0xc70 [ 274.943014] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.948390] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.953413] ? graph_lock+0x170/0x170 [ 274.957222] ? enqueue_hrtimer+0x1a5/0x560 [ 274.961459] ? lock_release+0x970/0x970 [ 274.965437] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.970647] ? find_held_lock+0x36/0x1c0 [ 274.974716] ? graph_lock+0x170/0x170 [ 274.978520] ? pvclock_read_flags+0x160/0x160 [ 274.983023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.988575] ? check_preemption_disabled+0x48/0x200 [ 274.993704] ? __lock_is_held+0xb5/0x140 [ 274.997774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.003312] ? check_preemption_disabled+0x48/0x200 [ 275.008343] run_timer_softirq+0x52/0xb0 [ 275.012410] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.017436] __do_softirq+0x30b/0xad8 [ 275.021252] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.026364] ? pvclock_read_flags+0x160/0x160 [ 275.030863] ? lapic_next_event+0x5a/0x90 [ 275.035014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.040556] ? check_preemption_disabled+0x48/0x200 [ 275.045600] ? check_preemption_disabled+0x48/0x200 [ 275.050649] ? kvm_clock_read+0x18/0x30 [ 275.054647] ? kvm_sched_clock_read+0x9/0x20 [ 275.059069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.064614] ? check_preemption_disabled+0x48/0x200 [ 275.069658] irq_exit+0x17f/0x1c0 [ 275.073121] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.077967] ? smp_reschedule_interrupt+0x109/0x650 [ 275.082996] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.088910] ? interrupt_entry+0xb5/0xf0 [ 275.092979] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.097996] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.103022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.107873] ? trace_hardirqs_off+0x300/0x300 [ 275.112371] ? trace_hardirqs_off+0x300/0x300 [ 275.116872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.122445] ? check_preemption_disabled+0x48/0x200 [ 275.127468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.133021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.137881] apic_timer_interrupt+0xf/0x20 [ 275.142111] [ 275.144351] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 275.149285] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 275.168197] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 275.175911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.183217] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 275.190489] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 275.197766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 275.205038] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 275.212363] skb_clone+0x1bb/0x500 [ 275.215909] ? finish_task_switch+0x1b5/0x900 [ 275.220410] ? skb_split+0x11e0/0x11e0 [ 275.224306] ? preempt_notifier_register+0x200/0x200 [ 275.229420] ? __switch_to_asm+0x34/0x70 [ 275.233498] ? __switch_to_asm+0x34/0x70 [ 275.237577] ? __switch_to_asm+0x40/0x70 [ 275.241649] ? __switch_to_asm+0x34/0x70 [ 275.245730] ? __switch_to_asm+0x40/0x70 [ 275.249790] ? __switch_to_asm+0x34/0x70 [ 275.253854] ? __switch_to_asm+0x40/0x70 [ 275.257914] ? __switch_to_asm+0x34/0x70 [ 275.261978] ? __switch_to_asm+0x34/0x70 [ 275.266043] ? __switch_to_asm+0x40/0x70 [ 275.270104] ? __switch_to_asm+0x34/0x70 [ 275.274176] bpf_clone_redirect+0xb9/0x490 [ 275.278419] ? __schedule+0x874/0x1ed0 [ 275.282313] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 275.287337] ? __sched_text_start+0x8/0x8 [ 275.291492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.296270] ? find_held_lock+0x36/0x1c0 [ 275.300345] ? lock_acquire+0x1ed/0x520 [ 275.304320] ? bpf_test_run+0x32e/0x5a0 [ 275.308302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.313842] ? check_preemption_disabled+0x48/0x200 [ 275.318869] ? kasan_check_read+0x11/0x20 [ 275.323021] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.328300] ? rcu_bh_qs+0xc0/0xc0 [ 275.331845] ? preempt_schedule+0x4d/0x60 [ 275.335999] ? ___preempt_schedule+0x16/0x18 [ 275.340820] ? bpf_test_run+0x1c0/0x5a0 [ 275.344811] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.349224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.354777] ? bpf_test_init.isra.9+0x70/0x100 [ 275.359371] ? bpf_prog_test_run_skb+0x634/0xb40 [ 275.364134] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.368977] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.374518] ? fput+0x130/0x1a0 [ 275.377799] ? __bpf_prog_get+0x9b/0x290 [ 275.381866] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.386711] ? bpf_prog_test_run+0x130/0x1a0 [ 275.391130] ? __x64_sys_bpf+0x3d8/0x510 [ 275.395197] ? bpf_prog_get+0x20/0x20 [ 275.399014] ? ksys_ioctl+0x81/0xd0 [ 275.402661] ? do_syscall_64+0x1b9/0x820 [ 275.406730] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.412105] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.417050] ? trace_hardirqs_off+0x300/0x300 [ 275.421558] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.426599] ? recalc_sigpending_tsk+0x180/0x180 [ 275.431384] ? kasan_check_write+0x14/0x20 [ 275.435651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.440517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.445913] warn_alloc_show_mem: 1 callbacks suppressed [ 275.445925] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 275.445927] Mem-Info: [ 275.445959] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 275.445959] active_file:14 inactive_file:18 isolated_file:1 [ 275.445959] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.445959] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 275.445959] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 275.445959] free:13768 free_pcp:583 free_cma:0 [ 275.451302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.451313] Call Trace: [ 275.458175] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.460590] dump_stack+0x1c4/0x2b4 [ 275.493458] Node 0 [ 275.502829] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.505414] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 275.533082] warn_alloc.cold.118+0xb7/0x1bd [ 275.536683] lowmem_reserve[]: [ 275.538918] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.544085] 0 [ 275.569612] ? lock_downgrade+0x900/0x900 [ 275.573911] 2815 [ 275.577017] ? trace_hardirqs_off+0xb8/0x300 [ 275.581834] 6318 [ 275.583645] ? trace_hardirqs_off+0xb8/0x300 [ 275.587778] 6318 [ 275.589861] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.596329] ? warn_alloc+0x120/0x120 [ 275.600681] Node 0 [ 275.602747] ? warn_alloc+0x120/0x120 [ 275.607594] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 275.611365] ? print_usage_bug+0xc0/0xc0 [ 275.613581] lowmem_reserve[]: [ 275.617383] ? warn_alloc+0x120/0x120 [ 275.644249] 0 0 [ 275.648327] ? print_usage_bug+0xc0/0xc0 [ 275.651396] 3503 3503 [ 275.655201] ? __lock_acquire+0x7ec/0x4ec0 [ 275.657154] Node 0 [ 275.661208] ? __lock_acquire+0x7ec/0x4ec0 [ 275.663706] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 275.667913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.670120] lowmem_reserve[]: 0 0 [ 275.674371] ? should_fail+0x22d/0xd01 [ 275.702802] 0 0 [ 275.708365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.715680] ? __lock_acquire+0x7ec/0x4ec0 [ 275.717634] Node 0 [ 275.722744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.726950] DMA: [ 275.729185] ? __lock_acquire+0x7ec/0x4ec0 [ 275.734261] 1*4kB [ 275.736321] ? should_fail+0x22d/0xd01 [ 275.740527] (U) [ 275.742685] ? mark_held_locks+0x130/0x130 [ 275.746539] 0*8kB [ 275.748519] ? mark_held_locks+0x130/0x130 [ 275.752719] 0*16kB 1*32kB [ 275.754872] ? graph_lock+0x170/0x170 [ 275.759082] (U) [ 275.761926] ? graph_lock+0x170/0x170 [ 275.765702] 2*64kB [ 275.767674] ? graph_lock+0x170/0x170 [ 275.771455] (U) [ 275.773696] ? print_usage_bug+0xc0/0xc0 [ 275.777474] 1*128kB (U) [ 275.779469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.783504] 1*256kB [ 275.786176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.791685] (U) [ 275.794010] ? check_preemption_disabled+0x48/0x200 [ 275.799514] 0*512kB 1*1024kB [ 275.801496] ? check_preemption_disabled+0x48/0x200 [ 275.806488] (U) [ 275.809609] ? __lock_is_held+0xb5/0x140 [ 275.814600] 1*2048kB [ 275.816587] __alloc_pages_nodemask+0xa80/0xde0 [ 275.820616] (M) [ 275.823023] ? graph_lock+0x170/0x170 [ 275.827661] 3*4096kB (M) [ 275.829645] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.833414] = 15908kB [ 275.833422] Node 0 [ 275.836182] ? graph_lock+0x170/0x170 [ 275.841176] DMA32: [ 275.843602] ? find_held_lock+0x36/0x1c0 [ 275.845803] 4*4kB [ 275.849609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.851811] (UM) [ 275.855867] ? lock_downgrade+0x900/0x900 [ 275.857996] 2*8kB [ 275.862669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.864703] (M) [ 275.868850] cache_grow_begin+0x91/0x8c0 [ 275.870971] 1*16kB [ 275.876503] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.878452] (M) [ 275.882516] fallback_alloc+0x203/0x2e0 [ 275.884723] 1*32kB [ 275.889138] ____cache_alloc_node+0x1c7/0x1e0 [ 275.891079] (M) [ 275.895055] kmem_cache_alloc_node+0xe3/0x730 [ 275.897265] 3*64kB [ 275.901763] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.903712] (UM) [ 275.908214] __alloc_skb+0x119/0x770 [ 275.910419] 3*128kB [ 275.914652] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.916687] (M) [ 275.920400] ? skb_scrub_packet+0x490/0x490 [ 275.922695] 2*256kB [ 275.927976] ? lock_downgrade+0x900/0x900 [ 275.929928] (M) [ 275.934269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.936571] 3*512kB [ 275.940713] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.942660] (M) [ 275.948195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.950491] 4*1024kB [ 275.955942] ? addrconf_rs_timer+0x6f0/0x6f0 [ 275.957891] (UM) [ 275.963349] ndisc_alloc_skb+0x144/0x340 [ 275.965726] 3*2048kB [ 275.970143] ndisc_send_rs+0x331/0x6e0 [ 275.972170] (M) [ 275.976228] addrconf_rs_timer+0x3c0/0x6f0 [ 275.978606] 3*4096kB (M) [ 275.982511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.984459] = 25232kB [ 275.988699] call_timer_fn+0x272/0x920 [ 275.991418] Node 0 [ 275.995654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.998039] Normal: [ 276.001923] ? process_timeout+0x40/0x40 [ 276.004134] 1065*4kB [ 276.008364] ? find_held_lock+0x36/0x1c0 [ 276.010666] (MEH) [ 276.014735] ? __run_timers+0x7da/0xc70 [ 276.017114] 487*8kB [ 276.021178] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.023301] (ME) [ 276.027271] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.029577] 153*16kB [ 276.034069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.036103] (MEH) [ 276.040612] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.042999] 77*32kB [ 276.047225] ? trace_hardirqs_on+0xbd/0x310 [ 276.049350] (UM) [ 276.053920] ? kasan_check_read+0x11/0x20 [ 276.053939] ? __run_timers+0x7da/0xc70 [ 276.056241] 0*64kB [ 276.060556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.062599] 1*128kB [ 276.066742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.070690] (H) [ 276.072927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.078354] 1*256kB (U) [ 276.080695] __run_timers+0x7e5/0xc70 [ 276.084908] 1*512kB [ 276.086902] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.091090] (U) 0*1024kB [ 276.093795] ? compat_start_thread+0x80/0x80 [ 276.097580] 0*2048kB [ 276.099901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.105231] 0*4096kB = 13964kB [ 276.107998] ? kasan_check_write+0x14/0x20 [ 276.112383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.114786] ? finish_task_switch+0x2f5/0x900 [ 276.120294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.120303] 412 total pagecache pages [ 276.123492] ? __switch_to_asm+0x40/0x70 [ 276.123514] ? preempt_notifier_register+0x200/0x200 [ 276.127725] 0 pages in swap cache [ 276.136569] ? __switch_to_asm+0x34/0x70 [ 276.141050] Swap cache stats: add 0, delete 0, find 0/0 [ 276.149627] ? __switch_to_asm+0x40/0x70 [ 276.153401] Free swap = 0kB [ 276.153410] Total swap = 0kB [ 276.157477] ? __switch_to_asm+0x34/0x70 [ 276.162553] 1965979 pages RAM [ 276.166006] ? __switch_to_asm+0x40/0x70 [ 276.166022] ? __switch_to_asm+0x34/0x70 [ 276.170065] 0 pages HighMem/MovableOnly [ 276.175420] ? __switch_to_asm+0x40/0x70 [ 276.175446] ? pvclock_read_flags+0x160/0x160 [ 276.179480] 343323 pages reserved [ 276.182497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.185481] 0 pages cma reserved [ 276.185573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.189570] ? check_preemption_disabled+0x48/0x200 [ 276.192758] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.196720] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 276.200755] syz-executor0 cpuset= [ 276.204730] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.208761] syz0 [ 276.213253] ? rcu_pm_notify+0xc0/0xc0 [ 276.216680] mems_allowed=0 [ 276.222214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.276066] ? check_preemption_disabled+0x48/0x200 [ 276.281103] run_timer_softirq+0x52/0xb0 [ 276.285185] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.290227] __do_softirq+0x30b/0xad8 [ 276.294048] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.299156] ? trace_hardirqs_off_caller+0x300/0x300 [ 276.304267] ? trace_hardirqs_on+0x310/0x310 [ 276.308694] ? schedule+0x108/0x460 [ 276.312336] ? __schedule+0x1ed0/0x1ed0 [ 276.316326] ? trace_hardirqs_off+0xb8/0x300 [ 276.320746] ? ___might_sleep+0x1ed/0x300 [ 276.324894] ? smpboot_thread_fn+0x68b/0xa00 [ 276.329310] ? trace_hardirqs_on+0x310/0x310 [ 276.333728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.339270] ? check_preemption_disabled+0x48/0x200 [ 276.344291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.349836] ? takeover_tasklets+0xa90/0xa90 [ 276.354250] run_ksoftirqd+0x94/0x100 [ 276.358054] smpboot_thread_fn+0x68b/0xa00 [ 276.362297] ? sort_range+0x30/0x30 [ 276.365928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.371036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.376585] ? __kthread_parkme+0xfb/0x1a0 [ 276.381088] kthread+0x35a/0x420 [ 276.384459] ? sort_range+0x30/0x30 [ 276.388085] ? kthread_bind+0x40/0x40 [ 276.391892] ret_from_fork+0x3a/0x50 [ 276.395633] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 276.395728] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.402904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.402909] Call Trace: [ 276.402916] [ 276.402935] dump_stack+0x1c4/0x2b4 [ 276.402951] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.409487] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.418798] warn_alloc.cold.118+0xb7/0x1bd [ 276.421350] ksoftirqd/1 cpuset= [ 276.423494] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.427095] / [ 276.432286] ? lock_downgrade+0x900/0x900 [ 276.442590] mems_allowed=0 [ 276.446921] ? trace_hardirqs_off+0xb8/0x300 [ 276.468166] ? trace_hardirqs_off+0xb8/0x300 [ 276.472795] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.477679] ? warn_alloc+0x120/0x120 [ 276.481491] ? trace_hardirqs_on+0x310/0x310 [ 276.485912] ? warn_alloc+0x120/0x120 [ 276.489733] ? print_usage_bug+0xc0/0xc0 [ 276.493808] ? warn_alloc+0x120/0x120 [ 276.497615] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.502652] ? print_usage_bug+0xc0/0xc0 [ 276.506726] ? __lock_acquire+0x7ec/0x4ec0 [ 276.510966] ? __lock_acquire+0x7ec/0x4ec0 [ 276.515210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.520754] ? should_fail+0x22d/0xd01 [ 276.524651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.529761] ? __lock_acquire+0x7ec/0x4ec0 [ 276.534002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.539111] ? __lock_acquire+0x7ec/0x4ec0 [ 276.543352] ? should_fail+0x22d/0xd01 [ 276.547245] ? print_usage_bug+0xc0/0xc0 [ 276.551319] ? mark_held_locks+0x130/0x130 [ 276.555571] ? mark_held_locks+0x130/0x130 [ 276.559843] ? graph_lock+0x170/0x170 [ 276.563652] ? print_usage_bug+0xc0/0xc0 [ 276.567712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.572474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.578027] ? check_preemption_disabled+0x48/0x200 [ 276.583043] ? check_preemption_disabled+0x48/0x200 [ 276.588077] ? __lock_is_held+0xb5/0x140 [ 276.592154] __alloc_pages_nodemask+0xa80/0xde0 [ 276.596830] ? graph_lock+0x170/0x170 [ 276.600645] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.605683] ? graph_lock+0x170/0x170 [ 276.609508] ? find_held_lock+0x36/0x1c0 [ 276.613595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.618276] ? lock_downgrade+0x900/0x900 [ 276.622436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.627988] cache_grow_begin+0x91/0x8c0 [ 276.632060] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.636487] fallback_alloc+0x203/0x2e0 [ 276.640472] ____cache_alloc_node+0x1c7/0x1e0 [ 276.644984] kmem_cache_alloc_node+0xe3/0x730 [ 276.649504] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.653774] __alloc_skb+0x119/0x770 [ 276.657519] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.662806] ? skb_scrub_packet+0x490/0x490 [ 276.667132] ? lock_downgrade+0x900/0x900 [ 276.671295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.676836] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.682298] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.687778] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.692226] ndisc_alloc_skb+0x144/0x340 [ 276.696303] ndisc_send_rs+0x331/0x6e0 [ 276.700205] addrconf_rs_timer+0x3c0/0x6f0 [ 276.704452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.708707] call_timer_fn+0x272/0x920 [ 276.712607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.716857] ? process_timeout+0x40/0x40 [ 276.720929] ? find_held_lock+0x36/0x1c0 [ 276.725009] ? __run_timers+0x7da/0xc70 [ 276.728999] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.733507] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.738012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.742258] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.746849] ? trace_hardirqs_on+0xbd/0x310 [ 276.751170] ? kasan_check_read+0x11/0x20 [ 276.755331] ? __run_timers+0x7da/0xc70 [ 276.759311] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.764776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.769017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.773255] __run_timers+0x7e5/0xc70 [ 276.777071] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.782456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.787477] ? graph_lock+0x170/0x170 [ 276.791289] ? enqueue_hrtimer+0x1a5/0x560 [ 276.795532] ? lock_release+0x970/0x970 [ 276.799526] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.804906] ? find_held_lock+0x36/0x1c0 [ 276.808977] ? graph_lock+0x170/0x170 [ 276.812788] ? pvclock_read_flags+0x160/0x160 [ 276.817304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.822850] ? check_preemption_disabled+0x48/0x200 [ 276.827884] ? __lock_is_held+0xb5/0x140 [ 276.831955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.837497] ? check_preemption_disabled+0x48/0x200 [ 276.842529] run_timer_softirq+0x52/0xb0 [ 276.846605] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.851640] __do_softirq+0x30b/0xad8 [ 276.855460] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.860585] ? pvclock_read_flags+0x160/0x160 [ 276.865088] ? lapic_next_event+0x5a/0x90 [ 276.869245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.874787] ? check_preemption_disabled+0x48/0x200 [ 276.879815] ? check_preemption_disabled+0x48/0x200 [ 276.884857] ? kvm_clock_read+0x18/0x30 [ 276.888859] ? kvm_sched_clock_read+0x9/0x20 [ 276.893283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.898833] ? check_preemption_disabled+0x48/0x200 [ 276.903874] irq_exit+0x17f/0x1c0 [ 276.907338] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.912211] ? smp_reschedule_interrupt+0x109/0x650 [ 276.917246] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.923144] ? interrupt_entry+0xb5/0xf0 [ 276.927218] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.932241] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.937267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.942123] ? trace_hardirqs_off+0x300/0x300 [ 276.946634] ? trace_hardirqs_off+0x300/0x300 [ 276.951139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.956688] ? check_preemption_disabled+0x48/0x200 [ 276.961713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.967266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.972122] apic_timer_interrupt+0xf/0x20 [ 276.976356] [ 276.978625] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.983559] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 277.002483] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 277.010204] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 277.017478] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 277.024771] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 277.032047] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 277.039320] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 277.046655] skb_clone+0x1bb/0x500 [ 277.050210] ? finish_task_switch+0x1b5/0x900 [ 277.054716] ? skb_split+0x11e0/0x11e0 [ 277.058614] ? preempt_notifier_register+0x200/0x200 [ 277.063735] ? __switch_to_asm+0x34/0x70 [ 277.067799] ? __switch_to_asm+0x34/0x70 [ 277.071861] ? __switch_to_asm+0x40/0x70 [ 277.075926] ? __switch_to_asm+0x34/0x70 [ 277.079985] ? __switch_to_asm+0x40/0x70 [ 277.084057] ? __switch_to_asm+0x34/0x70 [ 277.088143] ? __switch_to_asm+0x40/0x70 [ 277.092222] ? __switch_to_asm+0x34/0x70 [ 277.096293] ? __switch_to_asm+0x34/0x70 [ 277.100357] ? __switch_to_asm+0x40/0x70 [ 277.104426] ? __switch_to_asm+0x34/0x70 [ 277.108507] bpf_clone_redirect+0xb9/0x490 [ 277.112755] ? __schedule+0x874/0x1ed0 [ 277.116660] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 277.121704] ? __sched_text_start+0x8/0x8 [ 277.125863] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.130651] ? find_held_lock+0x36/0x1c0 [ 277.134729] ? lock_acquire+0x1ed/0x520 [ 277.138705] ? bpf_test_run+0x32e/0x5a0 [ 277.142683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.148228] ? check_preemption_disabled+0x48/0x200 [ 277.153254] ? kasan_check_read+0x11/0x20 [ 277.157408] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.162690] ? rcu_bh_qs+0xc0/0xc0 [ 277.166241] ? preempt_schedule+0x4d/0x60 [ 277.170391] ? ___preempt_schedule+0x16/0x18 [ 277.174824] ? bpf_test_run+0x1c0/0x5a0 [ 277.178815] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.183234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.188781] ? bpf_test_init.isra.9+0x70/0x100 [ 277.193375] ? bpf_prog_test_run_skb+0x634/0xb40 [ 277.198144] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.202992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.208536] ? fput+0x130/0x1a0 [ 277.211829] ? __bpf_prog_get+0x9b/0x290 [ 277.215898] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.220745] ? bpf_prog_test_run+0x130/0x1a0 [ 277.225169] ? __x64_sys_bpf+0x3d8/0x510 [ 277.229236] ? bpf_prog_get+0x20/0x20 [ 277.233067] ? ksys_ioctl+0x81/0xd0 [ 277.236710] ? do_syscall_64+0x1b9/0x820 [ 277.240774] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.246144] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.251086] ? trace_hardirqs_off+0x300/0x300 [ 277.255598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.260630] ? recalc_sigpending_tsk+0x180/0x180 [ 277.265392] ? kasan_check_write+0x14/0x20 [ 277.269646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.274504] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.279892] warn_alloc_show_mem: 1 callbacks suppressed [ 277.279904] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 277.279906] Mem-Info: [ 277.279938] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 277.279938] active_file:14 inactive_file:18 isolated_file:1 [ 277.279938] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.279938] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 277.279938] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 277.279938] free:13768 free_pcp:583 free_cma:0 [ 277.285280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.285291] Call Trace: [ 277.292162] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.294586] dump_stack+0x1c4/0x2b4 [ 277.327455] Node 0 [ 277.336833] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.339870] 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 [ 277.367540] warn_alloc.cold.118+0xb7/0x1bd [ 277.371136] lowmem_reserve[]: [ 277.373373] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.378524] 0 2815 [ 277.404051] ? lock_downgrade+0x900/0x900 [ 277.408348] 6318 [ 277.411460] ? trace_hardirqs_off+0xb8/0x300 [ 277.416259] 6318 [ 277.418505] ? trace_hardirqs_off+0xb8/0x300 [ 277.422627] Node 0 [ 277.424694] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.429092] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 277.431162] ? warn_alloc+0x120/0x120 [ 277.435514] lowmem_reserve[]: 0 [ 277.437764] ? warn_alloc+0x120/0x120 [ 277.442578] 0 3503 [ 277.469494] ? print_usage_bug+0xc0/0xc0 [ 277.473270] 3503 [ 277.476548] ? warn_alloc+0x120/0x120 [ 277.480319] Node 0 [ 277.482555] ? print_usage_bug+0xc0/0xc0 [ 277.486629] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 277.488670] ? __lock_acquire+0x7ec/0x4ec0 [ 277.492451] lowmem_reserve[]: 0 [ 277.494714] ? __lock_acquire+0x7ec/0x4ec0 [ 277.498742] 0 0 [ 277.527222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.531433] 0 [ 277.534715] ? should_fail+0x22d/0xd01 [ 277.538919] Node 0 [ 277.540901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.546411] DMA: [ 277.548218] ? __lock_acquire+0x7ec/0x4ec0 [ 277.552081] 1*4kB [ 277.554318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.559390] (U) [ 277.561454] ? __lock_acquire+0x7ec/0x4ec0 [ 277.565662] 0*8kB [ 277.567816] ? should_fail+0x22d/0xd01 [ 277.567844] ? mark_held_locks+0x130/0x130 [ 277.572908] 0*16kB 1*32kB [ 277.574899] ? mark_held_locks+0x130/0x130 [ 277.579107] (U) [ 277.581262] ? graph_lock+0x170/0x170 [ 277.585122] 2*64kB [ 277.589358] ? graph_lock+0x170/0x170 [ 277.592174] (U) [ 277.596430] ? graph_lock+0x170/0x170 [ 277.598375] 1*128kB (U) [ 277.602182] ? print_usage_bug+0xc0/0xc0 [ 277.604389] 1*256kB [ 277.608206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.610149] (U) [ 277.613952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.616592] 0*512kB 1*1024kB [ 277.620661] ? check_preemption_disabled+0x48/0x200 [ 277.622958] (U) [ 277.628488] ? check_preemption_disabled+0x48/0x200 [ 277.628516] ? __lock_is_held+0xb5/0x140 [ 277.630464] 1*2048kB [ 277.636007] __alloc_pages_nodemask+0xa80/0xde0 [ 277.639086] (M) [ 277.644104] ? graph_lock+0x170/0x170 [ 277.646053] 3*4096kB [ 277.651078] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.655113] (M) [ 277.657532] ? graph_lock+0x170/0x170 [ 277.662187] = 15908kB [ 277.662196] Node 0 [ 277.664184] ? find_held_lock+0x36/0x1c0 [ 277.667941] DMA32: 4*4kB [ 277.670367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.675363] (UM) [ 277.677340] ? lock_downgrade+0x900/0x900 [ 277.681108] 2*8kB (M) [ 277.683536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.685732] 1*16kB (M) [ 277.689813] cache_grow_begin+0x91/0x8c0 [ 277.692546] 1*32kB (M) [ 277.697246] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.699284] 3*64kB [ 277.703470] fallback_alloc+0x203/0x2e0 [ 277.705935] (UM) [ 277.711480] ____cache_alloc_node+0x1c7/0x1e0 [ 277.714035] 3*128kB [ 277.718101] kmem_cache_alloc_node+0xe3/0x730 [ 277.720654] (M) [ 277.725067] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.727271] 2*256kB (M) [ 277.731266] __alloc_skb+0x119/0x770 [ 277.733292] 3*512kB [ 277.737793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.740083] (M) [ 277.744587] ? skb_scrub_packet+0x490/0x490 [ 277.746528] 4*1024kB (UM) [ 277.750768] ? lock_downgrade+0x900/0x900 [ 277.753417] 3*2048kB [ 277.757138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.759423] (M) [ 277.764719] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.766668] 3*4096kB [ 277.770992] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.773806] (M) [ 277.777958] ? addrconf_rs_timer+0x6f0/0x6f0 [ 277.780340] = 25232kB [ 277.785889] ndisc_alloc_skb+0x144/0x340 [ 277.787830] Node 0 [ 277.793289] ndisc_send_rs+0x331/0x6e0 [ 277.795665] Normal: 1065*4kB [ 277.801140] addrconf_rs_timer+0x3c0/0x6f0 [ 277.803075] (MEH) [ 277.807491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.809872] 487*8kB [ 277.813948] call_timer_fn+0x272/0x920 [ 277.816150] (ME) [ 277.820045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.823120] 153*16kB (MEH) 77*32kB [ 277.827380] ? process_timeout+0x40/0x40 [ 277.829491] (UM) 0*64kB [ 277.833735] ? find_held_lock+0x36/0x1c0 [ 277.836031] 1*128kB [ 277.839927] ? __run_timers+0x7da/0xc70 [ 277.841947] (H) 1*256kB [ 277.846192] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.849784] (U) 1*512kB [ 277.853857] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.856498] (U) [ 277.860562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.862865] 0*1024kB [ 277.866840] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.869475] 0*2048kB 0*4096kB [ 277.873978] ? trace_hardirqs_on+0xbd/0x310 [ 277.876627] = 13964kB [ 277.881115] ? kasan_check_read+0x11/0x20 [ 277.883070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.887299] ? __run_timers+0x7da/0xc70 [ 277.889687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.894272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.897444] 412 total pagecache pages [ 277.901772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.904163] 0 pages in swap cache [ 277.908304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.917120] Swap cache stats: add 0, delete 0, find 0/0 [ 277.921102] __run_timers+0x7e5/0xc70 [ 277.929662] Free swap = 0kB [ 277.935131] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.938889] Total swap = 0kB [ 277.943126] ? compat_start_thread+0x80/0x80 [ 277.946546] 1965979 pages RAM [ 277.950791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.956131] 0 pages HighMem/MovableOnly [ 277.959933] ? kasan_check_write+0x14/0x20 [ 277.962912] 343323 pages reserved [ 277.962920] 0 pages cma reserved [ 277.968283] ? finish_task_switch+0x2f5/0x900 [ 277.971340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.975671] ? __switch_to_asm+0x40/0x70 [ 277.975692] ? preempt_notifier_register+0x200/0x200 [ 277.975707] ? __switch_to_asm+0x34/0x70 [ 277.978857] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.984332] ? __switch_to_asm+0x40/0x70 [ 277.988281] syz-executor0 cpuset= [ 277.992506] ? __switch_to_asm+0x34/0x70 [ 277.992521] ? __switch_to_asm+0x40/0x70 [ 277.995953] syz0 [ 277.999312] ? __switch_to_asm+0x34/0x70 [ 278.003783] mems_allowed=0 [ 278.010264] ? __switch_to_asm+0x40/0x70 [ 278.010290] ? pvclock_read_flags+0x160/0x160 [ 278.066972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.072536] ? check_preemption_disabled+0x48/0x200 [ 278.077606] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 278.083172] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.088467] ? rcu_pm_notify+0xc0/0xc0 [ 278.092372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.097919] ? check_preemption_disabled+0x48/0x200 [ 278.102953] run_timer_softirq+0x52/0xb0 [ 278.107024] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.112056] __do_softirq+0x30b/0xad8 [ 278.115874] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.120980] ? trace_hardirqs_off_caller+0x300/0x300 [ 278.126091] ? trace_hardirqs_on+0x310/0x310 [ 278.130521] ? schedule+0x108/0x460 [ 278.134164] ? __schedule+0x1ed0/0x1ed0 [ 278.138155] ? trace_hardirqs_off+0xb8/0x300 [ 278.142580] ? ___might_sleep+0x1ed/0x300 [ 278.146736] ? smpboot_thread_fn+0x68b/0xa00 [ 278.151161] ? trace_hardirqs_on+0x310/0x310 [ 278.155593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.161145] ? check_preemption_disabled+0x48/0x200 [ 278.166174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.171724] ? takeover_tasklets+0xa90/0xa90 [ 278.176149] run_ksoftirqd+0x94/0x100 [ 278.179960] smpboot_thread_fn+0x68b/0xa00 [ 278.184211] ? sort_range+0x30/0x30 [ 278.187850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.192960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.198504] ? __kthread_parkme+0xfb/0x1a0 [ 278.202754] kthread+0x35a/0x420 [ 278.206133] ? sort_range+0x30/0x30 [ 278.209767] ? kthread_bind+0x40/0x40 [ 278.213583] ret_from_fork+0x3a/0x50 [ 278.217326] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 278.217405] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.224597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.224602] Call Trace: [ 278.224609] [ 278.224635] dump_stack+0x1c4/0x2b4 [ 278.224652] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.224679] warn_alloc.cold.118+0xb7/0x1bd [ 278.231213] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.240519] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.243078] ksoftirqd/1 cpuset= [ 278.245230] ? lock_downgrade+0x900/0x900 [ 278.248852] / [ 278.254048] ? trace_hardirqs_off+0xb8/0x300 [ 278.258344] mems_allowed=0 [ 278.268669] ? trace_hardirqs_off+0xb8/0x300 [ 278.294324] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.299199] ? warn_alloc+0x120/0x120 [ 278.303006] ? warn_alloc+0x120/0x120 [ 278.306811] ? print_usage_bug+0xc0/0xc0 [ 278.310879] ? warn_alloc+0x120/0x120 [ 278.314687] ? print_usage_bug+0xc0/0xc0 [ 278.318756] ? __lock_acquire+0x7ec/0x4ec0 [ 278.322991] ? __lock_acquire+0x7ec/0x4ec0 [ 278.327234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.332773] ? should_fail+0x22d/0xd01 [ 278.336666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.341774] ? __lock_acquire+0x7ec/0x4ec0 [ 278.346017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.351123] ? __lock_acquire+0x7ec/0x4ec0 [ 278.355361] ? should_fail+0x22d/0xd01 [ 278.359261] ? mark_held_locks+0x130/0x130 [ 278.363500] ? mark_held_locks+0x130/0x130 [ 278.367736] ? graph_lock+0x170/0x170 [ 278.371540] ? graph_lock+0x170/0x170 [ 278.375349] ? graph_lock+0x170/0x170 [ 278.379152] ? print_usage_bug+0xc0/0xc0 [ 278.383214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.388758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.394302] ? check_preemption_disabled+0x48/0x200 [ 278.399317] ? check_preemption_disabled+0x48/0x200 [ 278.404348] ? __lock_is_held+0xb5/0x140 [ 278.408422] __alloc_pages_nodemask+0xa80/0xde0 [ 278.413098] ? graph_lock+0x170/0x170 [ 278.416911] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.422018] ? graph_lock+0x170/0x170 [ 278.425833] ? find_held_lock+0x36/0x1c0 [ 278.429904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.434584] ? lock_downgrade+0x900/0x900 [ 278.438744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.444292] cache_grow_begin+0x91/0x8c0 [ 278.448357] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.452786] fallback_alloc+0x203/0x2e0 [ 278.456775] ____cache_alloc_node+0x1c7/0x1e0 [ 278.461280] kmem_cache_alloc_node+0xe3/0x730 [ 278.465779] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.470306] __alloc_skb+0x119/0x770 [ 278.474023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.479307] ? skb_scrub_packet+0x490/0x490 [ 278.483638] ? lock_downgrade+0x900/0x900 [ 278.487796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.493335] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.498794] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.504251] ? addrconf_rs_timer+0x6f0/0x6f0 [ 278.508678] ndisc_alloc_skb+0x144/0x340 [ 278.512747] ndisc_send_rs+0x331/0x6e0 [ 278.516649] addrconf_rs_timer+0x3c0/0x6f0 [ 278.520895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.525146] call_timer_fn+0x272/0x920 [ 278.529049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.533297] ? process_timeout+0x40/0x40 [ 278.537365] ? find_held_lock+0x36/0x1c0 [ 278.541442] ? __run_timers+0x7da/0xc70 [ 278.545422] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.549916] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.554418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.558660] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.563245] ? trace_hardirqs_on+0xbd/0x310 [ 278.567575] ? kasan_check_read+0x11/0x20 [ 278.571731] ? __run_timers+0x7da/0xc70 [ 278.575707] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.581169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.585414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.589656] __run_timers+0x7e5/0xc70 [ 278.593477] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.598845] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.603861] ? graph_lock+0x170/0x170 [ 278.607666] ? enqueue_hrtimer+0x1a5/0x560 [ 278.611898] ? lock_release+0x970/0x970 [ 278.615875] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.621075] ? find_held_lock+0x36/0x1c0 [ 278.625144] ? graph_lock+0x170/0x170 [ 278.628949] ? pvclock_read_flags+0x160/0x160 [ 278.633450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.638991] ? check_preemption_disabled+0x48/0x200 [ 278.644021] ? __lock_is_held+0xb5/0x140 [ 278.648083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.653630] ? check_preemption_disabled+0x48/0x200 [ 278.658669] run_timer_softirq+0x52/0xb0 [ 278.662735] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.667757] __do_softirq+0x30b/0xad8 [ 278.671584] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.676698] ? pvclock_read_flags+0x160/0x160 [ 278.681194] ? lapic_next_event+0x5a/0x90 [ 278.685347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.690885] ? check_preemption_disabled+0x48/0x200 [ 278.695902] ? check_preemption_disabled+0x48/0x200 [ 278.700928] ? kvm_clock_read+0x18/0x30 [ 278.704903] ? kvm_sched_clock_read+0x9/0x20 [ 278.709316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.714856] ? check_preemption_disabled+0x48/0x200 [ 278.719888] irq_exit+0x17f/0x1c0 [ 278.723351] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.728194] ? smp_reschedule_interrupt+0x109/0x650 [ 278.733224] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.739108] ? interrupt_entry+0xb5/0xf0 [ 278.743173] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.748194] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.753212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.758056] ? trace_hardirqs_off+0x300/0x300 [ 278.762550] ? trace_hardirqs_off+0x300/0x300 [ 278.767062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.772603] ? check_preemption_disabled+0x48/0x200 [ 278.777631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.783184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.788039] apic_timer_interrupt+0xf/0x20 [ 278.792270] [ 278.794515] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.799451] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 278.818383] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 278.826111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.833389] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 278.840658] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 278.847931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 278.855205] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 278.862521] skb_clone+0x1bb/0x500 [ 278.866067] ? finish_task_switch+0x1b5/0x900 [ 278.870575] ? skb_split+0x11e0/0x11e0 [ 278.874469] ? preempt_notifier_register+0x200/0x200 [ 278.879598] ? __switch_to_asm+0x34/0x70 [ 278.883674] ? __switch_to_asm+0x34/0x70 [ 278.887735] ? __switch_to_asm+0x40/0x70 [ 278.891794] ? __switch_to_asm+0x34/0x70 [ 278.895859] ? __switch_to_asm+0x40/0x70 [ 278.899928] ? __switch_to_asm+0x34/0x70 [ 278.903990] ? __switch_to_asm+0x40/0x70 [ 278.908049] ? __switch_to_asm+0x34/0x70 [ 278.912113] ? __switch_to_asm+0x34/0x70 [ 278.916172] ? __switch_to_asm+0x40/0x70 [ 278.920251] ? __switch_to_asm+0x34/0x70 [ 278.924327] bpf_clone_redirect+0xb9/0x490 [ 278.928572] ? __schedule+0x874/0x1ed0 [ 278.932470] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 278.937495] ? __sched_text_start+0x8/0x8 [ 278.941650] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.946422] ? find_held_lock+0x36/0x1c0 [ 278.950495] ? lock_acquire+0x1ed/0x520 [ 278.954468] ? bpf_test_run+0x32e/0x5a0 [ 278.958448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.963986] ? check_preemption_disabled+0x48/0x200 [ 278.969005] ? kasan_check_read+0x11/0x20 [ 278.973161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.978445] ? rcu_bh_qs+0xc0/0xc0 [ 278.981991] ? preempt_schedule+0x4d/0x60 [ 278.986146] ? ___preempt_schedule+0x16/0x18 [ 278.990563] ? bpf_test_run+0x1c0/0x5a0 [ 278.994557] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.998981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.004536] ? bpf_test_init.isra.9+0x70/0x100 [ 279.009143] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.013914] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.018762] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.024302] ? fput+0x130/0x1a0 [ 279.027593] ? __bpf_prog_get+0x9b/0x290 [ 279.031663] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.036509] ? bpf_prog_test_run+0x130/0x1a0 [ 279.040920] ? __x64_sys_bpf+0x3d8/0x510 [ 279.044984] ? bpf_prog_get+0x20/0x20 [ 279.048794] ? ksys_ioctl+0x81/0xd0 [ 279.052435] ? do_syscall_64+0x1b9/0x820 [ 279.056502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.061872] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.066815] ? trace_hardirqs_off+0x300/0x300 [ 279.071315] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.076334] ? recalc_sigpending_tsk+0x180/0x180 [ 279.081095] ? kasan_check_write+0x14/0x20 [ 279.085344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.090203] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.095589] warn_alloc_show_mem: 1 callbacks suppressed [ 279.095601] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 279.095602] Mem-Info: [ 279.095642] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 279.095642] active_file:14 inactive_file:18 isolated_file:1 [ 279.095642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.095642] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 279.095642] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 279.095642] free:13768 free_pcp:583 free_cma:0 [ 279.100973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.107815] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.110212] Call Trace: [ 279.143112] Node 0 [ 279.152481] dump_stack+0x1c4/0x2b4 [ 279.180168] 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 [ 279.182735] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.184947] lowmem_reserve[]: [ 279.188588] warn_alloc.cold.118+0xb7/0x1bd [ 279.214063] 0 [ 279.219261] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.222339] 2815 [ 279.226660] ? lock_downgrade+0x900/0x900 [ 279.228435] 6318 [ 279.233279] ? trace_hardirqs_off+0xb8/0x300 [ 279.235303] 6318 [ 279.239467] ? trace_hardirqs_off+0xb8/0x300 [ 279.241505] Node 0 [ 279.245922] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.247975] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 279.252385] ? warn_alloc+0x120/0x120 [ 279.254577] lowmem_reserve[]: [ 279.259421] ? warn_alloc+0x120/0x120 [ 279.286293] 0 [ 279.290100] ? print_usage_bug+0xc0/0xc0 [ 279.293169] 0 3503 [ 279.296974] ? warn_alloc+0x120/0x120 [ 279.298745] 3503 [ 279.302801] ? print_usage_bug+0xc0/0xc0 [ 279.308811] ? __lock_acquire+0x7ec/0x4ec0 [ 279.310848] Node 0 [ 279.314907] ? __lock_acquire+0x7ec/0x4ec0 [ 279.319140] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 279.321354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.325553] lowmem_reserve[]: 0 [ 279.354191] ? should_fail+0x22d/0xd01 [ 279.359710] 0 [ 279.362993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.366846] 0 [ 279.368652] ? __lock_acquire+0x7ec/0x4ec0 [ 279.373726] 0 [ 279.375532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.381538] ? __lock_acquire+0x7ec/0x4ec0 [ 279.386625] Node 0 [ 279.390857] ? should_fail+0x22d/0xd01 [ 279.390867] DMA: [ 279.393112] ? mark_held_locks+0x130/0x130 [ 279.396971] 1*4kB [ 279.399034] ? mark_held_locks+0x130/0x130 [ 279.403241] (U) [ 279.405395] ? graph_lock+0x170/0x170 [ 279.409609] 0*8kB [ 279.411597] ? graph_lock+0x170/0x170 [ 279.415373] 0*16kB [ 279.417525] ? graph_lock+0x170/0x170 [ 279.421294] 1*32kB [ 279.423527] ? print_usage_bug+0xc0/0xc0 [ 279.427298] (U) [ 279.429532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.433557] 2*64kB (U) [ 279.435553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.441078] 1*128kB [ 279.443658] ? check_preemption_disabled+0x48/0x200 [ 279.449167] (U) [ 279.451488] ? check_preemption_disabled+0x48/0x200 [ 279.456485] 1*256kB [ 279.458470] ? __lock_is_held+0xb5/0x140 [ 279.463446] (U) [ 279.465771] __alloc_pages_nodemask+0xa80/0xde0 [ 279.469800] 0*512kB [ 279.471770] ? graph_lock+0x170/0x170 [ 279.476413] 1*1024kB [ 279.478739] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.482508] (U) [ 279.484913] ? graph_lock+0x170/0x170 [ 279.489898] 1*2048kB (M) [ 279.491892] ? find_held_lock+0x36/0x1c0 [ 279.495659] 3*4096kB [ 279.498423] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.502474] (M) [ 279.504886] ? lock_downgrade+0x900/0x900 [ 279.509523] = 15908kB [ 279.509532] Node 0 [ 279.511514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.515628] DMA32: [ 279.518042] cache_grow_begin+0x91/0x8c0 [ 279.520246] 4*4kB [ 279.525783] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.527990] (UM) [ 279.532058] fallback_alloc+0x203/0x2e0 [ 279.534176] 2*8kB [ 279.538590] ____cache_alloc_node+0x1c7/0x1e0 [ 279.540628] (M) [ 279.544605] kmem_cache_alloc_node+0xe3/0x730 [ 279.546732] 1*16kB [ 279.551221] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.553171] (M) [ 279.557669] __alloc_skb+0x119/0x770 [ 279.559868] 1*32kB (M) [ 279.564111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.566057] 3*64kB [ 279.569771] ? skb_scrub_packet+0x490/0x490 [ 279.572329] (UM) [ 279.577612] ? lock_downgrade+0x900/0x900 [ 279.579830] 3*128kB [ 279.584155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.586189] (M) [ 279.590337] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.592639] 2*256kB [ 279.598176] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.600132] (M) [ 279.605602] ? addrconf_rs_timer+0x6f0/0x6f0 [ 279.607902] 3*512kB [ 279.613364] ndisc_alloc_skb+0x144/0x340 [ 279.615304] (M) [ 279.619721] ndisc_send_rs+0x331/0x6e0 [ 279.622013] 4*1024kB [ 279.626086] addrconf_rs_timer+0x3c0/0x6f0 [ 279.628028] (UM) [ 279.631923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.634302] 3*2048kB [ 279.638544] call_timer_fn+0x272/0x920 [ 279.640564] (M) [ 279.644805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.647185] 3*4096kB [ 279.651074] ? process_timeout+0x40/0x40 [ 279.653018] (M) [ 279.657249] ? find_held_lock+0x36/0x1c0 [ 279.657275] ? __run_timers+0x7da/0xc70 [ 279.659662] = 25232kB [ 279.663722] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.665675] Node 0 [ 279.669737] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.673688] Normal: [ 279.676097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.680563] 1065*4kB [ 279.682807] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.687274] (MEH) [ 279.689603] ? trace_hardirqs_on+0xbd/0x310 [ 279.693817] 487*8kB [ 279.696225] ? kasan_check_read+0x11/0x20 [ 279.700775] (ME) 153*16kB [ 279.702934] ? __run_timers+0x7da/0xc70 [ 279.707225] (MEH) [ 279.709550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.713673] 77*32kB [ 279.716518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.720464] (UM) [ 279.722621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.728048] 0*64kB [ 279.730373] __run_timers+0x7e5/0xc70 [ 279.734600] 1*128kB [ 279.736676] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.740862] (H) 1*256kB [ 279.743111] ? compat_start_thread+0x80/0x80 [ 279.746882] (U) [ 279.749206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.754534] 1*512kB (U) [ 279.757225] ? kasan_check_write+0x14/0x20 [ 279.761605] 0*1024kB [ 279.763590] ? finish_task_switch+0x2f5/0x900 [ 279.769098] 0*2048kB [ 279.771769] ? __switch_to_asm+0x40/0x70 [ 279.775976] 0*4096kB [ 279.778392] ? preempt_notifier_register+0x200/0x200 [ 279.782853] = 13964kB [ 279.782868] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.785274] ? __switch_to_asm+0x34/0x70 [ 279.789307] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.789315] 412 total pagecache pages [ 279.791724] ? __switch_to_asm+0x40/0x70 [ 279.796804] 0 pages in swap cache [ 279.799209] ? __switch_to_asm+0x34/0x70 [ 279.808035] Swap cache stats: add 0, delete 0, find 0/0 [ 279.812102] ? __switch_to_asm+0x40/0x70 [ 279.820650] Free swap = 0kB [ 279.820659] Total swap = 0kB [ 279.824480] ? __switch_to_asm+0x34/0x70 [ 279.828511] 1965979 pages RAM [ 279.831961] ? __switch_to_asm+0x40/0x70 [ 279.835989] 0 pages HighMem/MovableOnly [ 279.835998] 343323 pages reserved [ 279.841365] ? pvclock_read_flags+0x160/0x160 [ 279.845391] 0 pages cma reserved [ 279.848409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.851469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.855471] ? check_preemption_disabled+0x48/0x200 [ 279.855496] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 279.855513] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.858666] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.862656] ? rcu_pm_notify+0xc0/0xc0 [ 279.866603] syz-executor0 cpuset= [ 279.870062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.874548] syz0 [ 279.877925] ? check_preemption_disabled+0x48/0x200 [ 279.883442] mems_allowed=0 [ 279.889939] run_timer_softirq+0x52/0xb0 [ 279.942975] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.948027] __do_softirq+0x30b/0xad8 [ 279.951850] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.956963] ? trace_hardirqs_off_caller+0x300/0x300 [ 279.962072] ? trace_hardirqs_on+0x310/0x310 [ 279.966492] ? schedule+0x108/0x460 [ 279.970132] ? __schedule+0x1ed0/0x1ed0 [ 279.974119] ? trace_hardirqs_off+0xb8/0x300 [ 279.978541] ? ___might_sleep+0x1ed/0x300 [ 279.982702] ? smpboot_thread_fn+0x68b/0xa00 [ 279.987115] ? trace_hardirqs_on+0x310/0x310 [ 279.991537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.997119] ? check_preemption_disabled+0x48/0x200 [ 280.002162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.007725] ? takeover_tasklets+0xa90/0xa90 [ 280.012164] run_ksoftirqd+0x94/0x100 [ 280.015978] smpboot_thread_fn+0x68b/0xa00 [ 280.020227] ? sort_range+0x30/0x30 [ 280.023859] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.028988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.034539] ? __kthread_parkme+0xfb/0x1a0 [ 280.038798] kthread+0x35a/0x420 [ 280.042170] ? sort_range+0x30/0x30 [ 280.045800] ? kthread_bind+0x40/0x40 [ 280.049613] ret_from_fork+0x3a/0x50 [ 280.053350] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 280.053430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.060630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.060640] Call Trace: [ 280.067272] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.076488] [ 280.079062] ksoftirqd/1 cpuset= [ 280.089378] dump_stack+0x1c4/0x2b4 [ 280.091500] / [ 280.094773] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.098378] mems_allowed=0 [ 280.100095] warn_alloc.cold.118+0xb7/0x1bd [ 280.112490] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.117345] ? lock_downgrade+0x900/0x900 [ 280.121507] ? trace_hardirqs_off+0xb8/0x300 [ 280.125923] ? trace_hardirqs_off+0xb8/0x300 [ 280.130348] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.135251] ? warn_alloc+0x120/0x120 [ 280.139067] ? warn_alloc+0x120/0x120 [ 280.142874] ? print_usage_bug+0xc0/0xc0 [ 280.146937] ? warn_alloc+0x120/0x120 [ 280.150741] ? print_usage_bug+0xc0/0xc0 [ 280.154804] ? __lock_acquire+0x7ec/0x4ec0 [ 280.159044] ? __lock_acquire+0x7ec/0x4ec0 [ 280.163283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.168821] ? should_fail+0x22d/0xd01 [ 280.172714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.177823] ? __lock_acquire+0x7ec/0x4ec0 [ 280.182066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.187170] ? __lock_acquire+0x7ec/0x4ec0 [ 280.191407] ? should_fail+0x22d/0xd01 [ 280.195305] ? mark_held_locks+0x130/0x130 [ 280.199548] ? mark_held_locks+0x130/0x130 [ 280.203797] ? graph_lock+0x170/0x170 [ 280.207609] ? graph_lock+0x170/0x170 [ 280.211431] ? graph_lock+0x170/0x170 [ 280.215245] ? print_usage_bug+0xc0/0xc0 [ 280.219313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.224853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.230400] ? check_preemption_disabled+0x48/0x200 [ 280.235416] ? check_preemption_disabled+0x48/0x200 [ 280.240479] ? __lock_is_held+0xb5/0x140 [ 280.244549] __alloc_pages_nodemask+0xa80/0xde0 [ 280.249232] ? graph_lock+0x170/0x170 [ 280.253040] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.258058] ? graph_lock+0x170/0x170 [ 280.261874] ? find_held_lock+0x36/0x1c0 [ 280.265950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.270631] ? lock_downgrade+0x900/0x900 [ 280.274790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.280337] cache_grow_begin+0x91/0x8c0 [ 280.284402] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.288822] fallback_alloc+0x203/0x2e0 [ 280.292806] ____cache_alloc_node+0x1c7/0x1e0 [ 280.297311] kmem_cache_alloc_node+0xe3/0x730 [ 280.301811] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.306061] __alloc_skb+0x119/0x770 [ 280.309780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.315066] ? skb_scrub_packet+0x490/0x490 [ 280.319394] ? lock_downgrade+0x900/0x900 [ 280.323558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.329115] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.334585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.340053] ? addrconf_rs_timer+0x6f0/0x6f0 [ 280.344488] ndisc_alloc_skb+0x144/0x340 [ 280.348562] ndisc_send_rs+0x331/0x6e0 [ 280.352479] addrconf_rs_timer+0x3c0/0x6f0 [ 280.356723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.360979] call_timer_fn+0x272/0x920 [ 280.364870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.369112] ? process_timeout+0x40/0x40 [ 280.373174] ? find_held_lock+0x36/0x1c0 [ 280.377246] ? __run_timers+0x7da/0xc70 [ 280.381229] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.385745] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.390249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.394486] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 280.399070] ? trace_hardirqs_on+0xbd/0x310 [ 280.403395] ? kasan_check_read+0x11/0x20 [ 280.407556] ? __run_timers+0x7da/0xc70 [ 280.411558] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.417047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.421300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.425540] __run_timers+0x7e5/0xc70 [ 280.429363] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.434736] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.439757] ? graph_lock+0x170/0x170 [ 280.443564] ? enqueue_hrtimer+0x1a5/0x560 [ 280.447814] ? lock_release+0x970/0x970 [ 280.451795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.456999] ? find_held_lock+0x36/0x1c0 [ 280.461069] ? graph_lock+0x170/0x170 [ 280.464878] ? pvclock_read_flags+0x160/0x160 [ 280.469381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.475124] ? check_preemption_disabled+0x48/0x200 [ 280.480159] ? __lock_is_held+0xb5/0x140 [ 280.484232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.489773] ? check_preemption_disabled+0x48/0x200 [ 280.494802] run_timer_softirq+0x52/0xb0 [ 280.498866] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.503889] __do_softirq+0x30b/0xad8 [ 280.507707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.512822] ? pvclock_read_flags+0x160/0x160 [ 280.517320] ? lapic_next_event+0x5a/0x90 [ 280.521468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.527011] ? check_preemption_disabled+0x48/0x200 [ 280.532028] ? check_preemption_disabled+0x48/0x200 [ 280.537051] ? kvm_clock_read+0x18/0x30 [ 280.541026] ? kvm_sched_clock_read+0x9/0x20 [ 280.545444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.550982] ? check_preemption_disabled+0x48/0x200 [ 280.556020] irq_exit+0x17f/0x1c0 [ 280.559482] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.564325] ? smp_reschedule_interrupt+0x109/0x650 [ 280.569349] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.575236] ? interrupt_entry+0xb5/0xf0 [ 280.579305] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.584325] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.589355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.594206] ? trace_hardirqs_off+0x300/0x300 [ 280.598706] ? trace_hardirqs_off+0x300/0x300 [ 280.603206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.608743] ? check_preemption_disabled+0x48/0x200 [ 280.613772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.619334] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.624198] apic_timer_interrupt+0xf/0x20 [ 280.628431] [ 280.630681] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 280.635615] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 280.654533] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 280.662257] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 280.669528] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 280.676799] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 280.684070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 280.691338] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 280.698667] skb_clone+0x1bb/0x500 [ 280.702211] ? finish_task_switch+0x1b5/0x900 [ 280.706712] ? skb_split+0x11e0/0x11e0 [ 280.710607] ? preempt_notifier_register+0x200/0x200 [ 280.715717] ? __switch_to_asm+0x34/0x70 [ 280.719784] ? __switch_to_asm+0x34/0x70 [ 280.723848] ? __switch_to_asm+0x40/0x70 [ 280.727910] ? __switch_to_asm+0x34/0x70 [ 280.731969] ? __switch_to_asm+0x40/0x70 [ 280.736031] ? __switch_to_asm+0x34/0x70 [ 280.740093] ? __switch_to_asm+0x40/0x70 [ 280.744244] ? __switch_to_asm+0x34/0x70 [ 280.748307] ? __switch_to_asm+0x34/0x70 [ 280.752368] ? __switch_to_asm+0x40/0x70 [ 280.756425] ? __switch_to_asm+0x34/0x70 [ 280.760496] bpf_clone_redirect+0xb9/0x490 [ 280.764733] ? __schedule+0x874/0x1ed0 [ 280.768635] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 280.773663] ? __sched_text_start+0x8/0x8 [ 280.777813] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.782588] ? find_held_lock+0x36/0x1c0 [ 280.786663] ? lock_acquire+0x1ed/0x520 [ 280.790642] ? bpf_test_run+0x32e/0x5a0 [ 280.794628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.800165] ? check_preemption_disabled+0x48/0x200 [ 280.805189] ? kasan_check_read+0x11/0x20 [ 280.809343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.814647] ? rcu_bh_qs+0xc0/0xc0 [ 280.818200] ? preempt_schedule+0x4d/0x60 [ 280.822353] ? ___preempt_schedule+0x16/0x18 [ 280.826769] ? bpf_test_run+0x1c0/0x5a0 [ 280.830759] ? netlink_diag_dump+0x2a0/0x2a0 [ 280.835182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.840819] ? bpf_test_init.isra.9+0x70/0x100 [ 280.845416] ? bpf_prog_test_run_skb+0x634/0xb40 [ 280.850188] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.855042] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.860594] ? fput+0x130/0x1a0 [ 280.863934] ? __bpf_prog_get+0x9b/0x290 [ 280.868003] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.872879] ? bpf_prog_test_run+0x130/0x1a0 [ 280.877309] ? __x64_sys_bpf+0x3d8/0x510 [ 280.881376] ? bpf_prog_get+0x20/0x20 [ 280.885191] ? ksys_ioctl+0x81/0xd0 [ 280.888832] ? do_syscall_64+0x1b9/0x820 [ 280.892899] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 280.898273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.903214] ? trace_hardirqs_off+0x300/0x300 [ 280.907715] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.912735] ? recalc_sigpending_tsk+0x180/0x180 [ 280.917494] ? kasan_check_write+0x14/0x20 [ 280.921736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.926600] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.931982] warn_alloc_show_mem: 1 callbacks suppressed [ 280.931993] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 280.931995] Mem-Info: [ 280.932027] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 280.932027] active_file:14 inactive_file:18 isolated_file:1 [ 280.932027] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.932027] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 280.932027] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 280.932027] free:13768 free_pcp:583 free_cma:0 [ 280.937368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.944231] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.946640] Call Trace: [ 280.979535] Node 0 [ 280.988903] dump_stack+0x1c4/0x2b4 [ 281.016676] 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 [ 281.019243] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.021445] lowmem_reserve[]: 0 [ 281.025091] warn_alloc.cold.118+0xb7/0x1bd [ 281.050574] 2815 [ 281.055772] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.059034] 6318 6318 [ 281.063365] ? lock_downgrade+0x900/0x900 [ 281.070238] ? trace_hardirqs_off+0xb8/0x300 [ 281.072703] Node 0 [ 281.076845] ? trace_hardirqs_off+0xb8/0x300 [ 281.081251] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 281.083465] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.087836] lowmem_reserve[]: 0 [ 281.114770] ? warn_alloc+0x120/0x120 [ 281.119561] 0 [ 281.122865] ? warn_alloc+0x120/0x120 [ 281.126634] 3503 3503 [ 281.128444] ? print_usage_bug+0xc0/0xc0 [ 281.134710] ? warn_alloc+0x120/0x120 [ 281.138744] Node 0 [ 281.142537] ? print_usage_bug+0xc0/0xc0 [ 281.142577] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 281.142584] lowmem_reserve[]: [ 281.144817] ? __lock_acquire+0x7ec/0x4ec0 [ 281.148856] 0 [ 281.177326] ? __lock_acquire+0x7ec/0x4ec0 [ 281.180404] 0 [ 281.184646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.186417] 0 [ 281.190654] ? should_fail+0x22d/0xd01 [ 281.192430] 0 [ 281.197967] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.203631] ? __lock_acquire+0x7ec/0x4ec0 [ 281.205413] Node 0 [ 281.210522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.214727] DMA: [ 281.216967] ? __lock_acquire+0x7ec/0x4ec0 [ 281.222040] 1*4kB [ 281.224100] ? should_fail+0x22d/0xd01 [ 281.228306] (U) [ 281.230453] ? print_usage_bug+0xc0/0xc0 [ 281.234316] 0*8kB [ 281.236293] ? mark_held_locks+0x130/0x130 [ 281.240316] 0*16kB [ 281.242460] ? mark_held_locks+0x130/0x130 [ 281.246668] 1*32kB [ 281.248904] ? graph_lock+0x170/0x170 [ 281.253108] (U) [ 281.255345] ? print_usage_bug+0xc0/0xc0 [ 281.259118] 2*64kB [ 281.261095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.265130] (U) [ 281.267372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.272102] 1*128kB [ 281.274102] ? check_preemption_disabled+0x48/0x200 [ 281.279612] (U) [ 281.281933] ? check_preemption_disabled+0x48/0x200 [ 281.286915] 1*256kB (U) [ 281.288925] ? __lock_is_held+0xb5/0x140 [ 281.293905] 0*512kB [ 281.296585] __alloc_pages_nodemask+0xa80/0xde0 [ 281.300612] 1*1024kB (U) [ 281.302944] ? graph_lock+0x170/0x170 [ 281.307587] 1*2048kB (M) [ 281.310354] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.314121] 3*4096kB (M) [ 281.316889] ? graph_lock+0x170/0x170 [ 281.321880] = 15908kB [ 281.324644] ? find_held_lock+0x36/0x1c0 [ 281.328432] Node 0 [ 281.330846] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.334872] DMA32: [ 281.337107] ? lock_downgrade+0x900/0x900 [ 281.342195] 4*4kB [ 281.344439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.348551] (UM) [ 281.350707] cache_grow_begin+0x91/0x8c0 [ 281.356216] 2*8kB [ 281.358280] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.362310] (M) [ 281.364459] fallback_alloc+0x203/0x2e0 [ 281.368830] 1*16kB (M) [ 281.370819] ____cache_alloc_node+0x1c7/0x1e0 [ 281.374760] 1*32kB [ 281.377344] kmem_cache_alloc_node+0xe3/0x730 [ 281.381807] (M) [ 281.384045] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.388545] 3*64kB (UM) [ 281.390547] __alloc_skb+0x119/0x770 [ 281.394748] 3*128kB [ 281.397450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.401132] (M) 2*256kB [ 281.403475] ? skb_scrub_packet+0x490/0x490 [ 281.408732] (M) [ 281.411407] ? lock_downgrade+0x900/0x900 [ 281.415695] 3*512kB (M) [ 281.417683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.421795] 4*1024kB [ 281.424468] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.429969] (UM) 3*2048kB [ 281.432391] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.437802] (M) 3*4096kB [ 281.440658] ? addrconf_rs_timer+0x6f0/0x6f0 [ 281.446081] (M) [ 281.448843] ndisc_alloc_skb+0x144/0x340 [ 281.453215] = 25232kB [ 281.455190] ndisc_send_rs+0x331/0x6e0 [ 281.459220] Node 0 [ 281.461632] addrconf_rs_timer+0x3c0/0x6f0 [ 281.465492] Normal: [ 281.467728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.471933] 1065*4kB [ 281.474266] call_timer_fn+0x272/0x920 [ 281.478464] (MEH) [ 281.480873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.484730] 487*8kB [ 281.486879] ? process_timeout+0x40/0x40 [ 281.491095] (ME) [ 281.493418] ? find_held_lock+0x36/0x1c0 [ 281.497455] 153*16kB [ 281.499520] ? __run_timers+0x7da/0xc70 [ 281.503548] (MEH) [ 281.505964] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.509907] 77*32kB (UM) [ 281.512063] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.516527] 0*64kB 1*128kB [ 281.519293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.523762] (H) [ 281.526713] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.530913] 1*256kB (U) [ 281.532899] ? trace_hardirqs_on+0xbd/0x310 [ 281.537448] 1*512kB (U) [ 281.540131] ? kasan_check_read+0x11/0x20 [ 281.544424] 0*1024kB [ 281.547095] ? __run_timers+0x7da/0xc70 [ 281.551212] 0*2048kB [ 281.553620] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.557576] 0*4096kB [ 281.559983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.565397] = 13964kB [ 281.565411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.567814] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.572023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.574423] __run_timers+0x7e5/0xc70 [ 281.583229] 412 total pagecache pages [ 281.587469] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.596013] 0 pages in swap cache [ 281.599808] ? compat_start_thread+0x80/0x80 [ 281.603585] Swap cache stats: add 0, delete 0, find 0/0 [ 281.603594] Free swap = 0kB [ 281.608954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.612372] Total swap = 0kB [ 281.612381] 1965979 pages RAM [ 281.616788] ? kasan_check_write+0x14/0x20 [ 281.622121] 0 pages HighMem/MovableOnly [ 281.625142] ? finish_task_switch+0x2f5/0x900 [ 281.630648] 343323 pages reserved [ 281.633663] ? __switch_to_asm+0x40/0x70 [ 281.636741] 0 pages cma reserved [ 281.640975] ? preempt_notifier_register+0x200/0x200 [ 281.644993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.649426] ? __switch_to_asm+0x34/0x70 [ 281.652971] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.656911] ? __switch_to_asm+0x40/0x70 [ 281.660250] syz-executor0 cpuset= [ 281.665348] ? __switch_to_asm+0x34/0x70 [ 281.671813] syz0 [ 281.675871] ? __switch_to_asm+0x40/0x70 [ 281.686338] mems_allowed=0 [ 281.690397] ? __switch_to_asm+0x34/0x70 [ 281.710840] ? __switch_to_asm+0x40/0x70 [ 281.714918] ? pvclock_read_flags+0x160/0x160 [ 281.719421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.724967] ? check_preemption_disabled+0x48/0x200 [ 281.730007] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 281.735551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.740844] ? rcu_pm_notify+0xc0/0xc0 [ 281.744740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.750284] ? check_preemption_disabled+0x48/0x200 [ 281.755319] run_timer_softirq+0x52/0xb0 [ 281.759383] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.764410] __do_softirq+0x30b/0xad8 [ 281.768225] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.773333] ? trace_hardirqs_off_caller+0x300/0x300 [ 281.778438] ? trace_hardirqs_on+0x310/0x310 [ 281.782862] ? schedule+0x108/0x460 [ 281.786496] ? __schedule+0x1ed0/0x1ed0 [ 281.790478] ? trace_hardirqs_off+0xb8/0x300 [ 281.794889] ? ___might_sleep+0x1ed/0x300 [ 281.799040] ? smpboot_thread_fn+0x68b/0xa00 [ 281.803465] ? trace_hardirqs_on+0x310/0x310 [ 281.807877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.813423] ? check_preemption_disabled+0x48/0x200 [ 281.818442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.823983] ? takeover_tasklets+0xa90/0xa90 [ 281.828395] run_ksoftirqd+0x94/0x100 [ 281.832201] smpboot_thread_fn+0x68b/0xa00 [ 281.836443] ? sort_range+0x30/0x30 [ 281.840076] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.845194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.850752] ? __kthread_parkme+0xfb/0x1a0 [ 281.854999] kthread+0x35a/0x420 [ 281.858369] ? sort_range+0x30/0x30 [ 281.861999] ? kthread_bind+0x40/0x40 [ 281.865810] ret_from_fork+0x3a/0x50 [ 281.869546] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 281.869636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.876822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.876827] Call Trace: [ 281.876834] [ 281.876851] dump_stack+0x1c4/0x2b4 [ 281.876867] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.876895] warn_alloc.cold.118+0xb7/0x1bd [ 281.883461] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.892739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.895303] ksoftirqd/1 cpuset= [ 281.897447] ? lock_downgrade+0x900/0x900 [ 281.901047] / [ 281.906235] ? trace_hardirqs_off+0xb8/0x300 [ 281.910530] mems_allowed=0 [ 281.920840] ? trace_hardirqs_off+0xb8/0x300 [ 281.946462] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.951343] ? warn_alloc+0x120/0x120 [ 281.955148] ? trace_hardirqs_on+0x310/0x310 [ 281.959558] ? warn_alloc+0x120/0x120 [ 281.963373] ? print_usage_bug+0xc0/0xc0 [ 281.967443] ? warn_alloc+0x120/0x120 [ 281.971243] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 281.976262] ? print_usage_bug+0xc0/0xc0 [ 281.980325] ? __lock_acquire+0x7ec/0x4ec0 [ 281.984599] ? __lock_acquire+0x7ec/0x4ec0 [ 281.988843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.994382] ? should_fail+0x22d/0xd01 [ 281.998272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.003379] ? __lock_acquire+0x7ec/0x4ec0 [ 282.007629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.012729] ? __lock_acquire+0x7ec/0x4ec0 [ 282.016962] ? should_fail+0x22d/0xd01 [ 282.020845] ? print_usage_bug+0xc0/0xc0 [ 282.024916] ? mark_held_locks+0x130/0x130 [ 282.029154] ? mark_held_locks+0x130/0x130 [ 282.033399] ? graph_lock+0x170/0x170 [ 282.037199] ? print_usage_bug+0xc0/0xc0 [ 282.041262] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.046032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.051582] ? check_preemption_disabled+0x48/0x200 [ 282.056599] ? check_preemption_disabled+0x48/0x200 [ 282.061639] ? __lock_is_held+0xb5/0x140 [ 282.065709] __alloc_pages_nodemask+0xa80/0xde0 [ 282.070382] ? graph_lock+0x170/0x170 [ 282.074208] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.079221] ? graph_lock+0x170/0x170 [ 282.083033] ? find_held_lock+0x36/0x1c0 [ 282.087108] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.091781] ? lock_downgrade+0x900/0x900 [ 282.095941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.101488] cache_grow_begin+0x91/0x8c0 [ 282.105557] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.109986] fallback_alloc+0x203/0x2e0 [ 282.113970] ____cache_alloc_node+0x1c7/0x1e0 [ 282.118473] kmem_cache_alloc_node+0xe3/0x730 [ 282.122973] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.127219] __alloc_skb+0x119/0x770 [ 282.130937] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.136221] ? skb_scrub_packet+0x490/0x490 [ 282.140543] ? lock_downgrade+0x900/0x900 [ 282.144709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.150247] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.155705] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.161159] ? addrconf_rs_timer+0x6f0/0x6f0 [ 282.165596] ndisc_alloc_skb+0x144/0x340 [ 282.169670] ndisc_send_rs+0x331/0x6e0 [ 282.173577] addrconf_rs_timer+0x3c0/0x6f0 [ 282.177823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.182071] call_timer_fn+0x272/0x920 [ 282.185962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.190198] ? process_timeout+0x40/0x40 [ 282.194256] ? find_held_lock+0x36/0x1c0 [ 282.198330] ? __run_timers+0x7da/0xc70 [ 282.202308] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.206805] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.211298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.215536] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.220126] ? trace_hardirqs_on+0xbd/0x310 [ 282.224447] ? kasan_check_read+0x11/0x20 [ 282.228608] ? __run_timers+0x7da/0xc70 [ 282.232595] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.238061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.242304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.246554] __run_timers+0x7e5/0xc70 [ 282.250380] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.255752] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.260769] ? graph_lock+0x170/0x170 [ 282.264583] ? enqueue_hrtimer+0x1a5/0x560 [ 282.268818] ? lock_release+0x970/0x970 [ 282.272796] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.277992] ? find_held_lock+0x36/0x1c0 [ 282.282057] ? graph_lock+0x170/0x170 [ 282.285867] ? pvclock_read_flags+0x160/0x160 [ 282.290363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.295901] ? check_preemption_disabled+0x48/0x200 [ 282.300928] ? __lock_is_held+0xb5/0x140 [ 282.304991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.310547] ? check_preemption_disabled+0x48/0x200 [ 282.315590] run_timer_softirq+0x52/0xb0 [ 282.319658] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.324681] __do_softirq+0x30b/0xad8 [ 282.328498] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.333613] ? pvclock_read_flags+0x160/0x160 [ 282.338115] ? lapic_next_event+0x5a/0x90 [ 282.342265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.347804] ? check_preemption_disabled+0x48/0x200 [ 282.352819] ? check_preemption_disabled+0x48/0x200 [ 282.357848] ? kvm_clock_read+0x18/0x30 [ 282.361824] ? kvm_sched_clock_read+0x9/0x20 [ 282.366234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.371769] ? check_preemption_disabled+0x48/0x200 [ 282.376798] irq_exit+0x17f/0x1c0 [ 282.380255] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.385098] ? smp_reschedule_interrupt+0x109/0x650 [ 282.390118] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.396006] ? interrupt_entry+0xb5/0xf0 [ 282.400090] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.405196] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.410220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.415066] ? trace_hardirqs_off+0x300/0x300 [ 282.419564] ? trace_hardirqs_off+0x300/0x300 [ 282.424070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.429607] ? check_preemption_disabled+0x48/0x200 [ 282.434642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.440188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.445073] apic_timer_interrupt+0xf/0x20 [ 282.449333] [ 282.451606] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.456543] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 282.475663] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 282.483379] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.490652] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 282.497921] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 282.505190] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 282.512462] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 282.519782] skb_clone+0x1bb/0x500 [ 282.523346] ? finish_task_switch+0x1b5/0x900 [ 282.527846] ? skb_split+0x11e0/0x11e0 [ 282.531741] ? preempt_notifier_register+0x200/0x200 [ 282.536846] ? __switch_to_asm+0x34/0x70 [ 282.540909] ? __switch_to_asm+0x34/0x70 [ 282.544967] ? __switch_to_asm+0x40/0x70 [ 282.549025] ? __switch_to_asm+0x34/0x70 [ 282.553082] ? __switch_to_asm+0x40/0x70 [ 282.557144] ? __switch_to_asm+0x34/0x70 [ 282.561204] ? __switch_to_asm+0x40/0x70 [ 282.565262] ? __switch_to_asm+0x34/0x70 [ 282.569328] ? __switch_to_asm+0x34/0x70 [ 282.573388] ? __switch_to_asm+0x40/0x70 [ 282.577448] ? __switch_to_asm+0x34/0x70 [ 282.581519] bpf_clone_redirect+0xb9/0x490 [ 282.585758] ? __schedule+0x874/0x1ed0 [ 282.589654] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 282.594675] ? __sched_text_start+0x8/0x8 [ 282.598828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.603607] ? find_held_lock+0x36/0x1c0 [ 282.607679] ? lock_acquire+0x1ed/0x520 [ 282.611655] ? bpf_test_run+0x32e/0x5a0 [ 282.615641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.621185] ? check_preemption_disabled+0x48/0x200 [ 282.626209] ? kasan_check_read+0x11/0x20 [ 282.630362] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.635649] ? rcu_bh_qs+0xc0/0xc0 [ 282.639199] ? preempt_schedule+0x4d/0x60 [ 282.643356] ? ___preempt_schedule+0x16/0x18 [ 282.647785] ? bpf_test_run+0x1c0/0x5a0 [ 282.651785] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.656204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.661739] ? bpf_test_init.isra.9+0x70/0x100 [ 282.666327] ? bpf_prog_test_run_skb+0x634/0xb40 [ 282.671093] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.675941] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.681484] ? fput+0x130/0x1a0 [ 282.684765] ? __bpf_prog_get+0x9b/0x290 [ 282.688829] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.693674] ? bpf_prog_test_run+0x130/0x1a0 [ 282.698086] ? __x64_sys_bpf+0x3d8/0x510 [ 282.702148] ? bpf_prog_get+0x20/0x20 [ 282.705961] ? ksys_ioctl+0x81/0xd0 [ 282.709609] ? do_syscall_64+0x1b9/0x820 [ 282.713678] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.719043] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.723996] ? trace_hardirqs_off+0x300/0x300 [ 282.728493] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.733510] ? recalc_sigpending_tsk+0x180/0x180 [ 282.738268] ? kasan_check_write+0x14/0x20 [ 282.742550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.747410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.752789] warn_alloc_show_mem: 1 callbacks suppressed [ 282.752800] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 282.752802] Mem-Info: [ 282.752835] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 282.752835] active_file:14 inactive_file:18 isolated_file:1 [ 282.752835] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.752835] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 282.752835] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 282.752835] free:13768 free_pcp:583 free_cma:0 [ 282.758172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.765016] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.767415] Call Trace: [ 282.800289] Node 0 [ 282.809659] dump_stack+0x1c4/0x2b4 [ 282.837340] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 282.839908] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.842103] lowmem_reserve[]: 0 [ 282.845768] warn_alloc.cold.118+0xb7/0x1bd [ 282.871233] 2815 6318 [ 282.876436] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.879673] 6318 [ 282.883996] ? lock_downgrade+0x900/0x900 [ 282.886465] Node 0 [ 282.891303] ? trace_hardirqs_off+0xb8/0x300 [ 282.893369] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 282.897485] ? trace_hardirqs_off+0xb8/0x300 [ 282.899686] lowmem_reserve[]: 0 [ 282.904104] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.930973] 0 [ 282.935411] ? warn_alloc+0x120/0x120 [ 282.938631] 3503 3503 [ 282.943483] ? warn_alloc+0x120/0x120 [ 282.949047] ? print_usage_bug+0xc0/0xc0 [ 282.951517] Node 0 [ 282.955310] ? warn_alloc+0x120/0x120 [ 282.959395] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 282.961604] ? print_usage_bug+0xc0/0xc0 [ 282.965370] lowmem_reserve[]: 0 [ 282.993839] ? __lock_acquire+0x7ec/0x4ec0 [ 282.997875] 0 [ 283.001152] ? __lock_acquire+0x7ec/0x4ec0 [ 283.005361] 0 [ 283.007165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.011365] 0 [ 283.013177] ? should_fail+0x22d/0xd01 [ 283.018686] Node 0 [ 283.020492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.024343] DMA: 1*4kB [ 283.026591] ? __lock_acquire+0x7ec/0x4ec0 [ 283.031684] (U) [ 283.034270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.038472] 0*8kB 0*16kB [ 283.040454] ? __lock_acquire+0x7ec/0x4ec0 [ 283.045533] 1*32kB [ 283.048285] ? should_fail+0x22d/0xd01 [ 283.052494] (U) [ 283.054729] ? print_usage_bug+0xc0/0xc0 [ 283.058595] 2*64kB [ 283.060578] ? mark_held_locks+0x130/0x130 [ 283.064602] (U) [ 283.066838] ? mark_held_locks+0x130/0x130 [ 283.071047] 1*128kB [ 283.073019] ? graph_lock+0x170/0x170 [ 283.077223] (U) [ 283.079539] ? print_usage_bug+0xc0/0xc0 [ 283.083313] 1*256kB (U) [ 283.085303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.089330] 0*512kB 1*1024kB [ 283.092011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.096737] (U) [ 283.099837] ? check_preemption_disabled+0x48/0x200 [ 283.105341] 1*2048kB (M) [ 283.107321] ? check_preemption_disabled+0x48/0x200 [ 283.113001] 3*4096kB (M) [ 283.115774] ? __lock_is_held+0xb5/0x140 [ 283.120753] = 15908kB [ 283.123510] __alloc_pages_nodemask+0xa80/0xde0 [ 283.127540] Node 0 [ 283.129945] ? graph_lock+0x170/0x170 [ 283.134587] DMA32: 4*4kB [ 283.136833] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.140604] (UM) [ 283.143358] ? graph_lock+0x170/0x170 [ 283.148343] 2*8kB (M) [ 283.150418] ? find_held_lock+0x36/0x1c0 [ 283.154184] 1*16kB [ 283.156682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.160707] (M) [ 283.162939] ? lock_downgrade+0x900/0x900 [ 283.167586] 1*32kB [ 283.169562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.173682] (M) [ 283.175916] cache_grow_begin+0x91/0x8c0 [ 283.181434] 3*64kB [ 283.183408] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.187439] (UM) [ 283.189676] fallback_alloc+0x203/0x2e0 [ 283.194047] 3*128kB (M) [ 283.196116] ____cache_alloc_node+0x1c7/0x1e0 [ 283.200063] 2*256kB [ 283.202731] kmem_cache_alloc_node+0xe3/0x730 [ 283.207195] (M) [ 283.209512] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.213980] 3*512kB [ 283.215958] __alloc_skb+0x119/0x770 [ 283.220158] (M) [ 283.222500] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.226185] 4*1024kB [ 283.228163] ? skb_scrub_packet+0x490/0x490 [ 283.233411] (UM) [ 283.235820] ? lock_downgrade+0x900/0x900 [ 283.240116] 3*2048kB [ 283.242183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.246299] (M) [ 283.248708] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.254213] 3*4096kB (M) [ 283.256196] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.261616] = 25232kB [ 283.264373] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.269796] Node 0 [ 283.272212] ndisc_alloc_skb+0x144/0x340 [ 283.276590] Normal: [ 283.278826] ndisc_send_rs+0x331/0x6e0 [ 283.282865] 1065*4kB [ 283.285195] addrconf_rs_timer+0x3c0/0x6f0 [ 283.289055] (MEH) [ 283.291472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.295677] 487*8kB [ 283.297839] call_timer_fn+0x272/0x920 [ 283.302031] (ME) [ 283.304351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.308209] 153*16kB [ 283.310267] ? process_timeout+0x40/0x40 [ 283.314471] (MEH) [ 283.316874] ? find_held_lock+0x36/0x1c0 [ 283.320908] 77*32kB [ 283.323061] ? __run_timers+0x7da/0xc70 [ 283.327086] (UM) [ 283.329424] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.333372] 0*64kB [ 283.335429] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.340361] 1*128kB [ 283.342615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.347086] (H) [ 283.349405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.353611] 1*256kB [ 283.355590] ? trace_hardirqs_on+0xbd/0x310 [ 283.360144] (U) [ 283.362461] ? kasan_check_read+0x11/0x20 [ 283.366775] 1*512kB [ 283.368749] ? __run_timers+0x7da/0xc70 [ 283.372867] (U) [ 283.375188] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.379130] 0*1024kB 0*2048kB 0*4096kB [ 283.381119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.386542] = 13964kB [ 283.390510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.394724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.397123] __run_timers+0x7e5/0xc70 [ 283.401338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.410180] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.413945] 412 total pagecache pages [ 283.422521] ? compat_start_thread+0x80/0x80 [ 283.427865] 0 pages in swap cache [ 283.431657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.436037] Swap cache stats: add 0, delete 0, find 0/0 [ 283.436046] Free swap = 0kB [ 283.439499] ? kasan_check_write+0x14/0x20 [ 283.445006] Total swap = 0kB [ 283.450366] ? finish_task_switch+0x2f5/0x900 [ 283.453354] 1965979 pages RAM [ 283.457583] ? __switch_to_asm+0x40/0x70 [ 283.457604] ? preempt_notifier_register+0x200/0x200 [ 283.460593] 0 pages HighMem/MovableOnly [ 283.460601] 343323 pages reserved [ 283.465098] ? __switch_to_asm+0x34/0x70 [ 283.468172] 0 pages cma reserved [ 283.468252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.472232] ? __switch_to_asm+0x40/0x70 [ 283.472248] ? __switch_to_asm+0x34/0x70 [ 283.477429] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.481303] ? __switch_to_asm+0x40/0x70 [ 283.484737] syz-executor0 cpuset= [ 283.488803] ? __switch_to_asm+0x34/0x70 [ 283.488819] ? __switch_to_asm+0x40/0x70 [ 283.492170] syz0 [ 283.498666] ? pvclock_read_flags+0x160/0x160 [ 283.502692] mems_allowed=0 [ 283.506746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.547770] ? check_preemption_disabled+0x48/0x200 [ 283.552800] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 283.558344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.563675] ? rcu_pm_notify+0xc0/0xc0 [ 283.567595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.573140] ? check_preemption_disabled+0x48/0x200 [ 283.578168] run_timer_softirq+0x52/0xb0 [ 283.582231] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.587250] __do_softirq+0x30b/0xad8 [ 283.591065] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.596172] ? trace_hardirqs_off_caller+0x300/0x300 [ 283.601279] ? trace_hardirqs_on+0x310/0x310 [ 283.605696] ? schedule+0x108/0x460 [ 283.609325] ? __schedule+0x1ed0/0x1ed0 [ 283.613309] ? trace_hardirqs_off+0xb8/0x300 [ 283.617719] ? ___might_sleep+0x1ed/0x300 [ 283.621868] ? smpboot_thread_fn+0x68b/0xa00 [ 283.626277] ? trace_hardirqs_on+0x310/0x310 [ 283.630691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.636226] ? check_preemption_disabled+0x48/0x200 [ 283.641240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.646784] ? takeover_tasklets+0xa90/0xa90 [ 283.651197] run_ksoftirqd+0x94/0x100 [ 283.654999] smpboot_thread_fn+0x68b/0xa00 [ 283.659247] ? sort_range+0x30/0x30 [ 283.662889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.667991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.673531] ? __kthread_parkme+0xfb/0x1a0 [ 283.677771] kthread+0x35a/0x420 [ 283.681141] ? sort_range+0x30/0x30 [ 283.684772] ? kthread_bind+0x40/0x40 [ 283.688598] ret_from_fork+0x3a/0x50 [ 283.692335] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 283.692416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.699609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.699617] Call Trace: [ 283.706221] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.715437] [ 283.718017] ksoftirqd/1 cpuset= [ 283.728327] dump_stack+0x1c4/0x2b4 [ 283.730450] / [ 283.733721] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.737325] mems_allowed=0 [ 283.739043] warn_alloc.cold.118+0xb7/0x1bd [ 283.751452] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.756301] ? lock_downgrade+0x900/0x900 [ 283.760457] ? trace_hardirqs_off+0xb8/0x300 [ 283.764872] ? trace_hardirqs_off+0xb8/0x300 [ 283.769293] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.774175] ? warn_alloc+0x120/0x120 [ 283.777984] ? trace_hardirqs_on+0x310/0x310 [ 283.782392] ? warn_alloc+0x120/0x120 [ 283.786202] ? print_usage_bug+0xc0/0xc0 [ 283.790267] ? warn_alloc+0x120/0x120 [ 283.794071] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 283.799088] ? print_usage_bug+0xc0/0xc0 [ 283.803155] ? __lock_acquire+0x7ec/0x4ec0 [ 283.807394] ? __lock_acquire+0x7ec/0x4ec0 [ 283.811642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.817182] ? should_fail+0x22d/0xd01 [ 283.821079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.826188] ? __lock_acquire+0x7ec/0x4ec0 [ 283.830428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.835528] ? __lock_acquire+0x7ec/0x4ec0 [ 283.839847] ? should_fail+0x22d/0xd01 [ 283.843732] ? print_usage_bug+0xc0/0xc0 [ 283.847815] ? mark_held_locks+0x130/0x130 [ 283.852053] ? mark_held_locks+0x130/0x130 [ 283.856301] ? graph_lock+0x170/0x170 [ 283.860101] ? print_usage_bug+0xc0/0xc0 [ 283.864162] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.868918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.874454] ? check_preemption_disabled+0x48/0x200 [ 283.879469] ? check_preemption_disabled+0x48/0x200 [ 283.884507] ? __lock_is_held+0xb5/0x140 [ 283.888601] __alloc_pages_nodemask+0xa80/0xde0 [ 283.893281] ? graph_lock+0x170/0x170 [ 283.897089] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.902101] ? graph_lock+0x170/0x170 [ 283.905914] ? find_held_lock+0x36/0x1c0 [ 283.909987] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.914667] ? lock_downgrade+0x900/0x900 [ 283.918824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.924374] cache_grow_begin+0x91/0x8c0 [ 283.928438] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.932855] fallback_alloc+0x203/0x2e0 [ 283.936837] ____cache_alloc_node+0x1c7/0x1e0 [ 283.941343] kmem_cache_alloc_node+0xe3/0x730 [ 283.945840] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.950085] __alloc_skb+0x119/0x770 [ 283.953802] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.959085] ? skb_scrub_packet+0x490/0x490 [ 283.963407] ? lock_downgrade+0x900/0x900 [ 283.967563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.973113] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.978578] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.984034] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.988456] ndisc_alloc_skb+0x144/0x340 [ 283.992528] ndisc_send_rs+0x331/0x6e0 [ 283.996435] addrconf_rs_timer+0x3c0/0x6f0 [ 284.000679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.004930] call_timer_fn+0x272/0x920 [ 284.008823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.013066] ? process_timeout+0x40/0x40 [ 284.017130] ? find_held_lock+0x36/0x1c0 [ 284.021205] ? __run_timers+0x7da/0xc70 [ 284.025187] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.029680] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.034178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.038415] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.043004] ? trace_hardirqs_on+0xbd/0x310 [ 284.047325] ? kasan_check_read+0x11/0x20 [ 284.051479] ? __run_timers+0x7da/0xc70 [ 284.055455] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.060914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.065155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.069421] __run_timers+0x7e5/0xc70 [ 284.073237] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.078619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.083657] ? graph_lock+0x170/0x170 [ 284.087477] ? enqueue_hrtimer+0x1a5/0x560 [ 284.091716] ? lock_release+0x970/0x970 [ 284.095697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.100894] ? find_held_lock+0x36/0x1c0 [ 284.104957] ? graph_lock+0x170/0x170 [ 284.108767] ? pvclock_read_flags+0x160/0x160 [ 284.113267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.118808] ? check_preemption_disabled+0x48/0x200 [ 284.123839] ? __lock_is_held+0xb5/0x140 [ 284.127902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.133437] ? check_preemption_disabled+0x48/0x200 [ 284.138463] run_timer_softirq+0x52/0xb0 [ 284.142526] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.147548] __do_softirq+0x30b/0xad8 [ 284.151365] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.156479] ? pvclock_read_flags+0x160/0x160 [ 284.160975] ? lapic_next_event+0x5a/0x90 [ 284.165125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.170664] ? check_preemption_disabled+0x48/0x200 [ 284.175683] ? check_preemption_disabled+0x48/0x200 [ 284.180704] ? kvm_clock_read+0x18/0x30 [ 284.184680] ? kvm_sched_clock_read+0x9/0x20 [ 284.189090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.194634] ? check_preemption_disabled+0x48/0x200 [ 284.199669] irq_exit+0x17f/0x1c0 [ 284.203126] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.207970] ? smp_reschedule_interrupt+0x109/0x650 [ 284.212987] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.218872] ? interrupt_entry+0xb5/0xf0 [ 284.222939] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.227956] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.232973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.237816] ? trace_hardirqs_off+0x300/0x300 [ 284.242313] ? trace_hardirqs_off+0x300/0x300 [ 284.246810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.252349] ? check_preemption_disabled+0x48/0x200 [ 284.257366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.262911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.267769] apic_timer_interrupt+0xf/0x20 [ 284.272001] [ 284.274239] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 284.279168] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 284.298081] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 284.305793] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.313063] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 284.320330] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 284.327599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 284.334873] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.342194] skb_clone+0x1bb/0x500 [ 284.345739] ? finish_task_switch+0x1b5/0x900 [ 284.350239] ? skb_split+0x11e0/0x11e0 [ 284.354127] ? preempt_notifier_register+0x200/0x200 [ 284.359235] ? __switch_to_asm+0x34/0x70 [ 284.363297] ? __switch_to_asm+0x34/0x70 [ 284.367360] ? __switch_to_asm+0x40/0x70 [ 284.371421] ? __switch_to_asm+0x34/0x70 [ 284.375478] ? __switch_to_asm+0x40/0x70 [ 284.379534] ? __switch_to_asm+0x34/0x70 [ 284.383599] ? __switch_to_asm+0x40/0x70 [ 284.387662] ? __switch_to_asm+0x34/0x70 [ 284.391722] ? __switch_to_asm+0x34/0x70 [ 284.395782] ? __switch_to_asm+0x40/0x70 [ 284.399841] ? __switch_to_asm+0x34/0x70 [ 284.403909] bpf_clone_redirect+0xb9/0x490 [ 284.408145] ? __schedule+0x874/0x1ed0 [ 284.412043] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 284.417061] ? __sched_text_start+0x8/0x8 [ 284.421213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.425988] ? find_held_lock+0x36/0x1c0 [ 284.430058] ? lock_acquire+0x1ed/0x520 [ 284.434033] ? bpf_test_run+0x32e/0x5a0 [ 284.438012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.443552] ? check_preemption_disabled+0x48/0x200 [ 284.448590] ? kasan_check_read+0x11/0x20 [ 284.452744] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.458021] ? rcu_bh_qs+0xc0/0xc0 [ 284.461567] ? preempt_schedule+0x4d/0x60 [ 284.465732] ? ___preempt_schedule+0x16/0x18 [ 284.470334] ? bpf_test_run+0x1c0/0x5a0 [ 284.474325] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.478739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.484291] ? bpf_test_init.isra.9+0x70/0x100 [ 284.488889] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.493659] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.498506] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.504042] ? fput+0x130/0x1a0 [ 284.507323] ? __bpf_prog_get+0x9b/0x290 [ 284.511393] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.516243] ? bpf_prog_test_run+0x130/0x1a0 [ 284.520663] ? __x64_sys_bpf+0x3d8/0x510 [ 284.524728] ? bpf_prog_get+0x20/0x20 [ 284.528538] ? ksys_ioctl+0x81/0xd0 [ 284.532181] ? do_syscall_64+0x1b9/0x820 [ 284.536243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.541614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.546583] ? trace_hardirqs_off+0x300/0x300 [ 284.551084] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.556099] ? recalc_sigpending_tsk+0x180/0x180 [ 284.560855] ? kasan_check_write+0x14/0x20 [ 284.565097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.569953] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.575330] warn_alloc_show_mem: 1 callbacks suppressed [ 284.575341] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 284.575343] Mem-Info: [ 284.575375] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 284.575375] active_file:14 inactive_file:18 isolated_file:1 [ 284.575375] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.575375] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 284.575375] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 284.575375] free:13768 free_pcp:583 free_cma:0 [ 284.580711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.587553] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.589953] Call Trace: [ 284.622826] Node 0 [ 284.632191] dump_stack+0x1c4/0x2b4 [ 284.659871] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 284.662435] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.664641] lowmem_reserve[]: [ 284.668292] warn_alloc.cold.118+0xb7/0x1bd [ 284.693771] 0 [ 284.698975] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.702053] 2815 [ 284.706375] ? lock_downgrade+0x900/0x900 [ 284.708144] 6318 6318 [ 284.713081] ? trace_hardirqs_off+0xb8/0x300 [ 284.719260] ? trace_hardirqs_off+0xb8/0x300 [ 284.721731] Node 0 [ 284.726146] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.730540] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 284.732772] ? warn_alloc+0x120/0x120 [ 284.737563] lowmem_reserve[]: [ 284.764465] ? warn_alloc+0x120/0x120 [ 284.768237] 0 [ 284.771338] ? print_usage_bug+0xc0/0xc0 [ 284.775109] 0 3503 [ 284.776922] ? warn_alloc+0x120/0x120 [ 284.780955] 3503 [ 284.783191] ? print_usage_bug+0xc0/0xc0 [ 284.786966] Node 0 [ 284.789021] ? __lock_acquire+0x7ec/0x4ec0 [ 284.793081] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 284.795288] ? __lock_acquire+0x7ec/0x4ec0 [ 284.799495] lowmem_reserve[]: [ 284.827962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.832170] 0 [ 284.835270] ? should_fail+0x22d/0xd01 [ 284.840770] 0 0 [ 284.842584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.846439] 0 [ 284.848409] ? __lock_acquire+0x7ec/0x4ec0 [ 284.855286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.859496] Node 0 [ 284.864595] ? __lock_acquire+0x7ec/0x4ec0 [ 284.864605] DMA: [ 284.866838] ? should_fail+0x22d/0xd01 [ 284.871053] 1*4kB [ 284.873112] ? print_usage_bug+0xc0/0xc0 [ 284.876974] (U) [ 284.879132] ? mark_held_locks+0x130/0x130 [ 284.883161] 0*8kB [ 284.885138] ? mark_held_locks+0x130/0x130 [ 284.889337] 0*16kB 1*32kB [ 284.891501] ? graph_lock+0x170/0x170 [ 284.895712] (U) [ 284.898563] ? print_usage_bug+0xc0/0xc0 [ 284.902333] 2*64kB (U) [ 284.904317] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.908342] 1*128kB (U) [ 284.910935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.915655] 1*256kB (U) [ 284.918330] ? check_preemption_disabled+0x48/0x200 [ 284.923843] 0*512kB [ 284.926510] ? check_preemption_disabled+0x48/0x200 [ 284.931499] 1*1024kB [ 284.933827] ? __lock_is_held+0xb5/0x140 [ 284.938808] (U) [ 284.941216] __alloc_pages_nodemask+0xa80/0xde0 [ 284.945241] 1*2048kB (M) [ 284.947222] ? graph_lock+0x170/0x170 [ 284.951867] 3*4096kB [ 284.954618] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.958408] (M) [ 284.960813] ? graph_lock+0x170/0x170 [ 284.965799] = 15908kB [ 284.965808] Node 0 [ 284.967787] ? find_held_lock+0x36/0x1c0 [ 284.971548] DMA32: 4*4kB [ 284.973973] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.976177] (UM) [ 284.980231] ? lock_downgrade+0x900/0x900 [ 284.982959] 2*8kB (M) [ 284.987652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.989688] 1*16kB [ 284.993846] cache_grow_begin+0x91/0x8c0 [ 284.996314] (M) [ 285.001844] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.004050] 1*32kB (M) [ 285.008120] fallback_alloc+0x203/0x2e0 [ 285.010069] 3*64kB [ 285.014474] ____cache_alloc_node+0x1c7/0x1e0 [ 285.017032] (UM) [ 285.021004] kmem_cache_alloc_node+0xe3/0x730 [ 285.023217] 3*128kB [ 285.027707] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.029741] (M) [ 285.034235] __alloc_skb+0x119/0x770 [ 285.036521] 2*256kB (M) [ 285.040781] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.042734] 3*512kB [ 285.046440] ? skb_scrub_packet+0x490/0x490 [ 285.049079] (M) 4*1024kB [ 285.054356] ? lock_downgrade+0x900/0x900 [ 285.056657] (UM) [ 285.060979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.063712] 3*2048kB [ 285.067853] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.069889] (M) [ 285.075421] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.077807] 3*4096kB [ 285.083250] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.085192] (M) = 25232kB [ 285.090657] ndisc_alloc_skb+0x144/0x340 [ 285.093044] Node 0 [ 285.097459] ndisc_send_rs+0x331/0x6e0 [ 285.100185] Normal: [ 285.104246] addrconf_rs_timer+0x3c0/0x6f0 [ 285.106450] 1065*4kB [ 285.110335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.112684] (MEH) [ 285.116923] call_timer_fn+0x272/0x920 [ 285.119302] 487*8kB [ 285.123536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.125658] (ME) [ 285.129545] ? process_timeout+0x40/0x40 [ 285.131841] 153*16kB [ 285.136072] ? find_held_lock+0x36/0x1c0 [ 285.138115] (MEH) 77*32kB [ 285.142188] ? __run_timers+0x7da/0xc70 [ 285.144565] (UM) [ 285.148632] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.151454] 0*64kB [ 285.155420] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.157458] 1*128kB [ 285.161947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.164158] (H) [ 285.168643] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.168660] ? trace_hardirqs_on+0xbd/0x310 [ 285.170961] 1*256kB [ 285.175184] ? kasan_check_read+0x11/0x20 [ 285.177131] (U) 1*512kB [ 285.181716] ? __run_timers+0x7da/0xc70 [ 285.186003] (U) 0*1024kB [ 285.188332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.192458] 0*2048kB [ 285.195125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.199064] 0*4096kB = 13964kB [ 285.201832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.207273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.209673] __run_timers+0x7e5/0xc70 [ 285.213885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.217076] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.221273] 412 total pagecache pages [ 285.230104] ? compat_start_thread+0x80/0x80 [ 285.233884] 0 pages in swap cache [ 285.242453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.247790] Swap cache stats: add 0, delete 0, find 0/0 [ 285.247799] Free swap = 0kB [ 285.251600] ? kasan_check_write+0x14/0x20 [ 285.255979] Total swap = 0kB [ 285.259427] ? finish_task_switch+0x2f5/0x900 [ 285.264936] 1965979 pages RAM [ 285.270290] ? __switch_to_asm+0x40/0x70 [ 285.273277] 0 pages HighMem/MovableOnly [ 285.273285] 343323 pages reserved [ 285.277513] ? preempt_notifier_register+0x200/0x200 [ 285.280506] 0 pages cma reserved [ 285.285009] ? __switch_to_asm+0x34/0x70 [ 285.288158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.292149] ? __switch_to_asm+0x40/0x70 [ 285.292165] ? __switch_to_asm+0x34/0x70 [ 285.296243] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.299670] ? __switch_to_asm+0x40/0x70 [ 285.304747] syz-executor0 cpuset= [ 285.308104] ? __switch_to_asm+0x34/0x70 [ 285.308119] ? __switch_to_asm+0x40/0x70 [ 285.312158] syz0 [ 285.318652] ? pvclock_read_flags+0x160/0x160 [ 285.322688] mems_allowed=0 [ 285.326747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.367843] ? check_preemption_disabled+0x48/0x200 [ 285.372873] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 285.378414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.383696] ? rcu_pm_notify+0xc0/0xc0 [ 285.387598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.393142] ? check_preemption_disabled+0x48/0x200 [ 285.398172] run_timer_softirq+0x52/0xb0 [ 285.402232] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.407255] __do_softirq+0x30b/0xad8 [ 285.411072] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.416175] ? trace_hardirqs_off_caller+0x300/0x300 [ 285.421276] ? trace_hardirqs_on+0x310/0x310 [ 285.425690] ? schedule+0x108/0x460 [ 285.429323] ? __schedule+0x1ed0/0x1ed0 [ 285.433301] ? trace_hardirqs_off+0xb8/0x300 [ 285.437712] ? ___might_sleep+0x1ed/0x300 [ 285.441857] ? smpboot_thread_fn+0x68b/0xa00 [ 285.446268] ? trace_hardirqs_on+0x310/0x310 [ 285.450680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.456238] ? check_preemption_disabled+0x48/0x200 [ 285.461264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.466805] ? takeover_tasklets+0xa90/0xa90 [ 285.471218] run_ksoftirqd+0x94/0x100 [ 285.475019] smpboot_thread_fn+0x68b/0xa00 [ 285.479274] ? sort_range+0x30/0x30 [ 285.482925] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.488031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.493590] ? __kthread_parkme+0xfb/0x1a0 [ 285.497849] kthread+0x35a/0x420 [ 285.501240] ? sort_range+0x30/0x30 [ 285.504869] ? kthread_bind+0x40/0x40 [ 285.508679] ret_from_fork+0x3a/0x50 [ 285.512417] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 285.512497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.519692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.519702] Call Trace: [ 285.526293] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.535525] [ 285.538100] ksoftirqd/1 cpuset= [ 285.548407] dump_stack+0x1c4/0x2b4 [ 285.550527] / [ 285.553799] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.557405] mems_allowed=0 [ 285.559122] warn_alloc.cold.118+0xb7/0x1bd [ 285.571530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.576375] ? lock_downgrade+0x900/0x900 [ 285.580534] ? trace_hardirqs_off+0xb8/0x300 [ 285.584949] ? trace_hardirqs_off+0xb8/0x300 [ 285.589370] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.594244] ? warn_alloc+0x120/0x120 [ 285.598050] ? trace_hardirqs_on+0x310/0x310 [ 285.602458] ? warn_alloc+0x120/0x120 [ 285.606260] ? print_usage_bug+0xc0/0xc0 [ 285.610325] ? warn_alloc+0x120/0x120 [ 285.614127] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 285.619149] ? print_usage_bug+0xc0/0xc0 [ 285.623216] ? __lock_acquire+0x7ec/0x4ec0 [ 285.627452] ? __lock_acquire+0x7ec/0x4ec0 [ 285.631690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.637228] ? should_fail+0x22d/0xd01 [ 285.641121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.646225] ? __lock_acquire+0x7ec/0x4ec0 [ 285.650469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.655590] ? __lock_acquire+0x7ec/0x4ec0 [ 285.659825] ? should_fail+0x22d/0xd01 [ 285.663716] ? print_usage_bug+0xc0/0xc0 [ 285.667789] ? mark_held_locks+0x130/0x130 [ 285.672030] ? mark_held_locks+0x130/0x130 [ 285.676275] ? graph_lock+0x170/0x170 [ 285.680074] ? print_usage_bug+0xc0/0xc0 [ 285.684138] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.688896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.694444] ? check_preemption_disabled+0x48/0x200 [ 285.699473] ? check_preemption_disabled+0x48/0x200 [ 285.704521] ? __lock_is_held+0xb5/0x140 [ 285.708608] __alloc_pages_nodemask+0xa80/0xde0 [ 285.713300] ? graph_lock+0x170/0x170 [ 285.717120] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.722140] ? graph_lock+0x170/0x170 [ 285.725952] ? find_held_lock+0x36/0x1c0 [ 285.730057] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.734731] ? lock_downgrade+0x900/0x900 [ 285.738892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.744498] cache_grow_begin+0x91/0x8c0 [ 285.748580] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.753004] fallback_alloc+0x203/0x2e0 [ 285.756988] ____cache_alloc_node+0x1c7/0x1e0 [ 285.761494] kmem_cache_alloc_node+0xe3/0x730 [ 285.765993] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.770241] __alloc_skb+0x119/0x770 [ 285.773959] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.779240] ? skb_scrub_packet+0x490/0x490 [ 285.783569] ? lock_downgrade+0x900/0x900 [ 285.787739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.793289] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.798749] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.804207] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.808639] ndisc_alloc_skb+0x144/0x340 [ 285.812711] ndisc_send_rs+0x331/0x6e0 [ 285.816622] addrconf_rs_timer+0x3c0/0x6f0 [ 285.820873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.825125] call_timer_fn+0x272/0x920 [ 285.829021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.833260] ? process_timeout+0x40/0x40 [ 285.837325] ? find_held_lock+0x36/0x1c0 [ 285.841397] ? __run_timers+0x7da/0xc70 [ 285.845380] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.849876] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.854375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.858622] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.863216] ? trace_hardirqs_on+0xbd/0x310 [ 285.867537] ? kasan_check_read+0x11/0x20 [ 285.871690] ? __run_timers+0x7da/0xc70 [ 285.875668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.881126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.885372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.889614] __run_timers+0x7e5/0xc70 [ 285.893436] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.898812] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.903835] ? graph_lock+0x170/0x170 [ 285.907648] ? enqueue_hrtimer+0x1a5/0x560 [ 285.911888] ? lock_release+0x970/0x970 [ 285.915867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.921068] ? find_held_lock+0x36/0x1c0 [ 285.925135] ? graph_lock+0x170/0x170 [ 285.928945] ? pvclock_read_flags+0x160/0x160 [ 285.933455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.939002] ? check_preemption_disabled+0x48/0x200 [ 285.944043] ? __lock_is_held+0xb5/0x140 [ 285.948109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.953655] ? check_preemption_disabled+0x48/0x200 [ 285.958683] run_timer_softirq+0x52/0xb0 [ 285.962746] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.967770] __do_softirq+0x30b/0xad8 [ 285.971603] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.976722] ? pvclock_read_flags+0x160/0x160 [ 285.981218] ? lapic_next_event+0x5a/0x90 [ 285.985380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.990925] ? check_preemption_disabled+0x48/0x200 [ 285.995942] ? check_preemption_disabled+0x48/0x200 [ 286.000969] ? kvm_clock_read+0x18/0x30 [ 286.004943] ? kvm_sched_clock_read+0x9/0x20 [ 286.009354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.014893] ? check_preemption_disabled+0x48/0x200 [ 286.019926] irq_exit+0x17f/0x1c0 [ 286.023389] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.028231] ? smp_reschedule_interrupt+0x109/0x650 [ 286.033253] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.039145] ? interrupt_entry+0xb5/0xf0 [ 286.043214] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.048232] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.053257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.058104] ? trace_hardirqs_off+0x300/0x300 [ 286.062604] ? trace_hardirqs_off+0x300/0x300 [ 286.067109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.072654] ? check_preemption_disabled+0x48/0x200 [ 286.077673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.083223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.088081] apic_timer_interrupt+0xf/0x20 [ 286.092309] [ 286.094550] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 286.099497] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 286.118408] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 286.126126] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 286.133398] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 286.140669] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 286.147941] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 286.155214] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 286.162535] skb_clone+0x1bb/0x500 [ 286.166079] ? finish_task_switch+0x1b5/0x900 [ 286.170602] ? skb_split+0x11e0/0x11e0 [ 286.174499] ? preempt_notifier_register+0x200/0x200 [ 286.179616] ? __switch_to_asm+0x34/0x70 [ 286.183685] ? __switch_to_asm+0x34/0x70 [ 286.187750] ? __switch_to_asm+0x40/0x70 [ 286.191810] ? __switch_to_asm+0x34/0x70 [ 286.195872] ? __switch_to_asm+0x40/0x70 [ 286.199933] ? __switch_to_asm+0x34/0x70 [ 286.203994] ? __switch_to_asm+0x40/0x70 [ 286.208053] ? __switch_to_asm+0x34/0x70 [ 286.212116] ? __switch_to_asm+0x34/0x70 [ 286.216176] ? __switch_to_asm+0x40/0x70 [ 286.220238] ? __switch_to_asm+0x34/0x70 [ 286.224311] bpf_clone_redirect+0xb9/0x490 [ 286.228555] ? __schedule+0x874/0x1ed0 [ 286.232459] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 286.237490] ? __sched_text_start+0x8/0x8 [ 286.241647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.246419] ? find_held_lock+0x36/0x1c0 [ 286.250509] ? lock_acquire+0x1ed/0x520 [ 286.254483] ? bpf_test_run+0x32e/0x5a0 [ 286.258460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.263996] ? check_preemption_disabled+0x48/0x200 [ 286.269017] ? kasan_check_read+0x11/0x20 [ 286.273168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.278449] ? rcu_bh_qs+0xc0/0xc0 [ 286.281993] ? preempt_schedule+0x4d/0x60 [ 286.286143] ? ___preempt_schedule+0x16/0x18 [ 286.290562] ? bpf_test_run+0x1c0/0x5a0 [ 286.294557] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.298977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.304516] ? bpf_test_init.isra.9+0x70/0x100 [ 286.309104] ? bpf_prog_test_run_skb+0x634/0xb40 [ 286.313869] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.318714] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.324273] ? fput+0x130/0x1a0 [ 286.327556] ? __bpf_prog_get+0x9b/0x290 [ 286.331641] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 286.336490] ? bpf_prog_test_run+0x130/0x1a0 [ 286.340930] ? __x64_sys_bpf+0x3d8/0x510 [ 286.344992] ? bpf_prog_get+0x20/0x20 [ 286.348805] ? ksys_ioctl+0x81/0xd0 [ 286.352447] ? do_syscall_64+0x1b9/0x820 [ 286.356512] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.361879] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.366822] ? trace_hardirqs_off+0x300/0x300 [ 286.371323] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.376340] ? recalc_sigpending_tsk+0x180/0x180 [ 286.381099] ? kasan_check_write+0x14/0x20 [ 286.385369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.390236] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.395623] warn_alloc_show_mem: 1 callbacks suppressed [ 286.395635] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 286.395637] Mem-Info: [ 286.395670] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 286.395670] active_file:14 inactive_file:18 isolated_file:1 [ 286.395670] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.395670] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 286.395670] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 286.395670] free:13768 free_pcp:583 free_cma:0 [ 286.401005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.407850] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.410249] Call Trace: [ 286.443130] Node 0 [ 286.452502] dump_stack+0x1c4/0x2b4 [ 286.480413] 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 [ 286.483015] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.485218] lowmem_reserve[]: [ 286.488857] warn_alloc.cold.118+0xb7/0x1bd [ 286.514379] 0 [ 286.519625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.522698] 2815 [ 286.527020] ? lock_downgrade+0x900/0x900 [ 286.528797] 6318 [ 286.533638] ? trace_hardirqs_off+0xb8/0x300 [ 286.535679] 6318 [ 286.539822] ? trace_hardirqs_off+0xb8/0x300 [ 286.546292] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.548327] Node 0 [ 286.552755] ? warn_alloc+0x120/0x120 [ 286.557569] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 286.559774] ? warn_alloc+0x120/0x120 [ 286.563547] lowmem_reserve[]: [ 286.590474] ? print_usage_bug+0xc0/0xc0 [ 286.594249] 0 [ 286.597351] ? warn_alloc+0x120/0x120 [ 286.601385] 0 [ 286.603185] ? print_usage_bug+0xc0/0xc0 [ 286.606951] 3503 3503 [ 286.608760] ? __lock_acquire+0x7ec/0x4ec0 [ 286.612796] Node 0 [ 286.615309] ? __lock_acquire+0x7ec/0x4ec0 [ 286.619559] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 286.621764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.625971] lowmem_reserve[]: 0 [ 286.654444] ? should_fail+0x22d/0xd01 [ 286.659944] 0 0 [ 286.663229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.667085] 0 [ 286.669059] ? __lock_acquire+0x7ec/0x4ec0 [ 286.674143] Node 0 [ 286.675946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.680142] DMA: 1*4kB [ 286.682384] ? __lock_acquire+0x7ec/0x4ec0 [ 286.687461] (U) [ 286.690057] ? should_fail+0x22d/0xd01 [ 286.694262] 0*8kB [ 286.696235] ? print_usage_bug+0xc0/0xc0 [ 286.700096] 0*16kB 1*32kB [ 286.702266] ? mark_held_locks+0x130/0x130 [ 286.706295] (U) [ 286.709144] ? mark_held_locks+0x130/0x130 [ 286.713340] 2*64kB (U) [ 286.715327] ? graph_lock+0x170/0x170 [ 286.719533] 1*128kB [ 286.722113] ? print_usage_bug+0xc0/0xc0 [ 286.725901] (U) [ 286.728256] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.732288] 1*256kB [ 286.734259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.738978] (U) 0*512kB [ 286.741320] ? check_preemption_disabled+0x48/0x200 [ 286.746834] 1*1024kB [ 286.749498] ? check_preemption_disabled+0x48/0x200 [ 286.754485] (U) [ 286.756898] ? __lock_is_held+0xb5/0x140 [ 286.761879] 1*2048kB [ 286.763855] __alloc_pages_nodemask+0xa80/0xde0 [ 286.767906] (M) [ 286.770313] ? graph_lock+0x170/0x170 [ 286.775004] 3*4096kB [ 286.776978] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.780752] (M) [ 286.783164] ? graph_lock+0x170/0x170 [ 286.788157] = 15908kB [ 286.790142] ? find_held_lock+0x36/0x1c0 [ 286.793900] Node 0 [ 286.796330] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.800358] DMA32: [ 286.802649] ? lock_downgrade+0x900/0x900 [ 286.802672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.807323] 4*4kB [ 286.809562] cache_grow_begin+0x91/0x8c0 [ 286.813675] (UM) [ 286.819220] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.821334] 2*8kB (M) [ 286.825405] fallback_alloc+0x203/0x2e0 [ 286.827437] 1*16kB [ 286.831844] ____cache_alloc_node+0x1c7/0x1e0 [ 286.834312] (M) [ 286.838283] kmem_cache_alloc_node+0xe3/0x730 [ 286.840496] 1*32kB [ 286.844988] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.846968] (M) [ 286.851464] __alloc_skb+0x119/0x770 [ 286.853672] 3*64kB [ 286.857903] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.859850] (UM) [ 286.863559] ? skb_scrub_packet+0x490/0x490 [ 286.865764] 3*128kB (M) [ 286.871043] ? lock_downgrade+0x900/0x900 [ 286.873072] 2*256kB (M) [ 286.877401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.880044] 3*512kB [ 286.884187] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.886829] (M) [ 286.892365] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.894666] 4*1024kB [ 286.900111] ? addrconf_rs_timer+0x6f0/0x6f0 [ 286.902060] (UM) [ 286.907523] ndisc_alloc_skb+0x144/0x340 [ 286.909897] 3*2048kB [ 286.914299] ndisc_send_rs+0x331/0x6e0 [ 286.916350] (M) [ 286.920411] addrconf_rs_timer+0x3c0/0x6f0 [ 286.922793] 3*4096kB [ 286.926678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.928633] (M) [ 286.932870] call_timer_fn+0x272/0x920 [ 286.935242] = 25232kB [ 286.935250] Node 0 [ 286.939481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.941434] Normal: [ 286.945314] ? process_timeout+0x40/0x40 [ 286.947696] 1065*4kB [ 286.949927] ? find_held_lock+0x36/0x1c0 [ 286.954140] (MEH) [ 286.956468] ? __run_timers+0x7da/0xc70 [ 286.960500] 487*8kB [ 286.962905] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.966935] (ME) [ 286.969083] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.973029] 153*16kB (MEH) [ 286.975374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.979842] 77*32kB [ 286.981898] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.986366] (UM) [ 286.989292] ? trace_hardirqs_on+0xbd/0x310 [ 286.993502] 0*64kB [ 286.995817] ? kasan_check_read+0x11/0x20 [ 287.000371] 1*128kB [ 287.002429] ? __run_timers+0x7da/0xc70 [ 287.006718] (H) [ 287.008953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.013071] 1*256kB [ 287.015400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.019346] (U) [ 287.021318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.026737] 1*512kB (U) [ 287.029070] __run_timers+0x7e5/0xc70 [ 287.033276] 0*1024kB [ 287.035253] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.039455] 0*2048kB [ 287.042122] ? compat_start_thread+0x80/0x80 [ 287.045899] 0*4096kB [ 287.048411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.053750] = 13964kB [ 287.056162] ? kasan_check_write+0x14/0x20 [ 287.060549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 287.062950] ? finish_task_switch+0x2f5/0x900 [ 287.068464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 287.070871] ? __switch_to_asm+0x40/0x70 [ 287.075087] 412 total pagecache pages [ 287.083918] ? preempt_notifier_register+0x200/0x200 [ 287.088391] 0 pages in swap cache [ 287.096952] ? __switch_to_asm+0x34/0x70 [ 287.100987] Swap cache stats: add 0, delete 0, find 0/0 [ 287.104777] ? __switch_to_asm+0x40/0x70 [ 287.109859] Free swap = 0kB [ 287.113302] ? __switch_to_asm+0x34/0x70 [ 287.117340] Total swap = 0kB [ 287.122694] ? __switch_to_asm+0x40/0x70 [ 287.126741] 1965979 pages RAM [ 287.129750] ? __switch_to_asm+0x34/0x70 [ 287.129765] ? __switch_to_asm+0x40/0x70 [ 287.133800] 0 pages HighMem/MovableOnly [ 287.133808] 343323 pages reserved [ 287.136827] ? pvclock_read_flags+0x160/0x160 [ 287.140853] 0 pages cma reserved [ 287.143955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.148064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.152042] ? check_preemption_disabled+0x48/0x200 [ 287.156087] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.159445] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 287.163910] syz-executor0 cpuset= [ 287.167272] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.172782] syz0 [ 287.179274] ? rcu_pm_notify+0xc0/0xc0 [ 287.184264] mems_allowed=0 [ 287.194747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.223217] ? check_preemption_disabled+0x48/0x200 [ 287.228244] run_timer_softirq+0x52/0xb0 [ 287.232307] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.237332] __do_softirq+0x30b/0xad8 [ 287.241153] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.246259] ? trace_hardirqs_off_caller+0x300/0x300 [ 287.251360] ? trace_hardirqs_on+0x310/0x310 [ 287.255775] ? schedule+0x108/0x460 [ 287.259407] ? __schedule+0x1ed0/0x1ed0 [ 287.263397] ? trace_hardirqs_off+0xb8/0x300 [ 287.267821] ? ___might_sleep+0x1ed/0x300 [ 287.271971] ? smpboot_thread_fn+0x68b/0xa00 [ 287.276382] ? trace_hardirqs_on+0x310/0x310 [ 287.280791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.286331] ? check_preemption_disabled+0x48/0x200 [ 287.291346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.296909] ? takeover_tasklets+0xa90/0xa90 [ 287.301323] run_ksoftirqd+0x94/0x100 [ 287.305134] smpboot_thread_fn+0x68b/0xa00 [ 287.309403] ? sort_range+0x30/0x30 [ 287.313033] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.318141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.323688] ? __kthread_parkme+0xfb/0x1a0 [ 287.327929] kthread+0x35a/0x420 [ 287.331294] ? sort_range+0x30/0x30 [ 287.334917] ? kthread_bind+0x40/0x40 [ 287.338965] ret_from_fork+0x3a/0x50 [ 287.342714] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 287.342819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.349984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.349993] Call Trace: [ 287.356586] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.365827] [ 287.368399] ksoftirqd/1 cpuset= [ 287.378731] dump_stack+0x1c4/0x2b4 [ 287.380856] / [ 287.384131] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.387748] mems_allowed=0 [ 287.389468] warn_alloc.cold.118+0xb7/0x1bd [ 287.401886] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.406733] ? lock_downgrade+0x900/0x900 [ 287.410902] ? trace_hardirqs_off+0xb8/0x300 [ 287.415327] ? trace_hardirqs_off+0xb8/0x300 [ 287.419747] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.424635] ? warn_alloc+0x120/0x120 [ 287.428449] ? trace_hardirqs_on+0x310/0x310 [ 287.432862] ? warn_alloc+0x120/0x120 [ 287.436674] ? print_usage_bug+0xc0/0xc0 [ 287.440740] ? warn_alloc+0x120/0x120 [ 287.444542] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 287.449568] ? print_usage_bug+0xc0/0xc0 [ 287.453647] ? __lock_acquire+0x7ec/0x4ec0 [ 287.457885] ? __lock_acquire+0x7ec/0x4ec0 [ 287.462124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.467674] ? should_fail+0x22d/0xd01 [ 287.471570] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.476689] ? __lock_acquire+0x7ec/0x4ec0 [ 287.480928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.486029] ? __lock_acquire+0x7ec/0x4ec0 [ 287.490260] ? should_fail+0x22d/0xd01 [ 287.494149] ? print_usage_bug+0xc0/0xc0 [ 287.498217] ? mark_held_locks+0x130/0x130 [ 287.502460] ? mark_held_locks+0x130/0x130 [ 287.506707] ? graph_lock+0x170/0x170 [ 287.510535] ? print_usage_bug+0xc0/0xc0 [ 287.514602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.519366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.524907] ? check_preemption_disabled+0x48/0x200 [ 287.529920] ? check_preemption_disabled+0x48/0x200 [ 287.534949] ? __lock_is_held+0xb5/0x140 [ 287.539021] __alloc_pages_nodemask+0xa80/0xde0 [ 287.543690] ? graph_lock+0x170/0x170 [ 287.547494] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.552506] ? graph_lock+0x170/0x170 [ 287.556317] ? find_held_lock+0x36/0x1c0 [ 287.560388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.565061] ? lock_downgrade+0x900/0x900 [ 287.569222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.574765] cache_grow_begin+0x91/0x8c0 [ 287.578826] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.583245] fallback_alloc+0x203/0x2e0 [ 287.587230] ____cache_alloc_node+0x1c7/0x1e0 [ 287.591735] kmem_cache_alloc_node+0xe3/0x730 [ 287.596235] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.600480] __alloc_skb+0x119/0x770 [ 287.604198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.609485] ? skb_scrub_packet+0x490/0x490 [ 287.613809] ? lock_downgrade+0x900/0x900 [ 287.617965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.623503] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.628965] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.634421] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.638842] ndisc_alloc_skb+0x144/0x340 [ 287.642916] ndisc_send_rs+0x331/0x6e0 [ 287.646813] addrconf_rs_timer+0x3c0/0x6f0 [ 287.651058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.655314] call_timer_fn+0x272/0x920 [ 287.659204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.663442] ? process_timeout+0x40/0x40 [ 287.667504] ? find_held_lock+0x36/0x1c0 [ 287.671585] ? __run_timers+0x7da/0xc70 [ 287.675562] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.680069] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.684562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.688803] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.693389] ? trace_hardirqs_on+0xbd/0x310 [ 287.697709] ? kasan_check_read+0x11/0x20 [ 287.701857] ? __run_timers+0x7da/0xc70 [ 287.705831] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.711288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.715532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.719768] __run_timers+0x7e5/0xc70 [ 287.723592] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.728964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.733985] ? graph_lock+0x170/0x170 [ 287.737793] ? enqueue_hrtimer+0x1a5/0x560 [ 287.742025] ? lock_release+0x970/0x970 [ 287.745998] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.751197] ? find_held_lock+0x36/0x1c0 [ 287.755262] ? graph_lock+0x170/0x170 [ 287.759084] ? pvclock_read_flags+0x160/0x160 [ 287.763589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.769129] ? check_preemption_disabled+0x48/0x200 [ 287.774158] ? __lock_is_held+0xb5/0x140 [ 287.778225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.783766] ? check_preemption_disabled+0x48/0x200 [ 287.788792] run_timer_softirq+0x52/0xb0 [ 287.792861] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.797885] __do_softirq+0x30b/0xad8 [ 287.801702] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.806812] ? pvclock_read_flags+0x160/0x160 [ 287.811309] ? lapic_next_event+0x5a/0x90 [ 287.815480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.821020] ? check_preemption_disabled+0x48/0x200 [ 287.826037] ? check_preemption_disabled+0x48/0x200 [ 287.831062] ? kvm_clock_read+0x18/0x30 [ 287.835035] ? kvm_sched_clock_read+0x9/0x20 [ 287.839450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.844996] ? check_preemption_disabled+0x48/0x200 [ 287.850034] irq_exit+0x17f/0x1c0 [ 287.853493] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.858333] ? smp_reschedule_interrupt+0x109/0x650 [ 287.863352] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.869273] ? interrupt_entry+0xb5/0xf0 [ 287.873360] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.878376] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.883394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.888240] ? trace_hardirqs_off+0x300/0x300 [ 287.892741] ? trace_hardirqs_off+0x300/0x300 [ 287.897243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.902783] ? check_preemption_disabled+0x48/0x200 [ 287.907803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.913353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.918206] apic_timer_interrupt+0xf/0x20 [ 287.922432] [ 287.924677] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.929614] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 287.948517] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 287.956229] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.963496] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 287.970762] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 287.978026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.985292] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.992620] skb_clone+0x1bb/0x500 [ 287.996173] ? finish_task_switch+0x1b5/0x900 [ 288.000672] ? skb_split+0x11e0/0x11e0 [ 288.004560] ? preempt_notifier_register+0x200/0x200 [ 288.009674] ? __switch_to_asm+0x34/0x70 [ 288.013740] ? __switch_to_asm+0x34/0x70 [ 288.017808] ? __switch_to_asm+0x40/0x70 [ 288.021880] ? __switch_to_asm+0x34/0x70 [ 288.025937] ? __switch_to_asm+0x40/0x70 [ 288.030002] ? __switch_to_asm+0x34/0x70 [ 288.034063] ? __switch_to_asm+0x40/0x70 [ 288.038123] ? __switch_to_asm+0x34/0x70 [ 288.042188] ? __switch_to_asm+0x34/0x70 [ 288.046251] ? __switch_to_asm+0x40/0x70 [ 288.050307] ? __switch_to_asm+0x34/0x70 [ 288.054375] bpf_clone_redirect+0xb9/0x490 [ 288.058617] ? __schedule+0x874/0x1ed0 [ 288.062515] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 288.067534] ? __sched_text_start+0x8/0x8 [ 288.071682] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.076455] ? find_held_lock+0x36/0x1c0 [ 288.080526] ? lock_acquire+0x1ed/0x520 [ 288.084502] ? bpf_test_run+0x32e/0x5a0 [ 288.088481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.094017] ? check_preemption_disabled+0x48/0x200 [ 288.099039] ? kasan_check_read+0x11/0x20 [ 288.103191] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.108473] ? rcu_bh_qs+0xc0/0xc0 [ 288.112021] ? preempt_schedule+0x4d/0x60 [ 288.116171] ? ___preempt_schedule+0x16/0x18 [ 288.120596] ? bpf_test_run+0x1c0/0x5a0 [ 288.124593] ? netlink_diag_dump+0x2a0/0x2a0 [ 288.129016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.134551] ? bpf_test_init.isra.9+0x70/0x100 [ 288.139148] ? bpf_prog_test_run_skb+0x634/0xb40 [ 288.143914] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 288.148754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.154294] ? fput+0x130/0x1a0 [ 288.157582] ? __bpf_prog_get+0x9b/0x290 [ 288.161651] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 288.166490] ? bpf_prog_test_run+0x130/0x1a0 [ 288.170901] ? __x64_sys_bpf+0x3d8/0x510 [ 288.174960] ? bpf_prog_get+0x20/0x20 [ 288.178771] ? ksys_ioctl+0x81/0xd0 [ 288.182412] ? do_syscall_64+0x1b9/0x820 [ 288.186473] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.191840] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.196772] ? trace_hardirqs_off+0x300/0x300 [ 288.201267] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.206299] ? recalc_sigpending_tsk+0x180/0x180 [ 288.211059] ? kasan_check_write+0x14/0x20 [ 288.215303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.220158] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.225538] warn_alloc_show_mem: 1 callbacks suppressed [ 288.225549] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 288.225551] Mem-Info: [ 288.225592] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 288.225592] active_file:14 inactive_file:18 isolated_file:1 [ 288.225592] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.225592] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 288.225592] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 288.225592] free:13768 free_pcp:583 free_cma:0 [ 288.230929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.237773] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.240177] Call Trace: [ 288.273056] Node 0 [ 288.282427] dump_stack+0x1c4/0x2b4 [ 288.310110] 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 [ 288.312680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.314880] lowmem_reserve[]: [ 288.318511] warn_alloc.cold.118+0xb7/0x1bd [ 288.343972] 0 2815 [ 288.349182] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.352260] 6318 [ 288.356582] ? lock_downgrade+0x900/0x900 [ 288.358792] 6318 [ 288.363634] ? trace_hardirqs_off+0xb8/0x300 [ 288.369823] ? trace_hardirqs_off+0xb8/0x300 [ 288.371862] Node 0 [ 288.376268] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.380672] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 288.382900] ? warn_alloc+0x120/0x120 [ 288.387683] lowmem_reserve[]: 0 [ 288.414597] ? warn_alloc+0x120/0x120 [ 288.418371] 0 [ 288.421652] ? print_usage_bug+0xc0/0xc0 [ 288.425424] 3503 [ 288.427221] ? warn_alloc+0x120/0x120 [ 288.431256] 3503 [ 288.433315] ? print_usage_bug+0xc0/0xc0 [ 288.439174] ? __lock_acquire+0x7ec/0x4ec0 [ 288.443207] Node 0 [ 288.447477] ? __lock_acquire+0x7ec/0x4ec0 [ 288.447513] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 288.449719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.453928] lowmem_reserve[]: [ 288.482906] ? should_fail+0x22d/0xd01 [ 288.488418] 0 [ 288.491524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.495378] 0 0 [ 288.497184] ? __lock_acquire+0x7ec/0x4ec0 [ 288.502253] 0 [ 288.504238] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.508451] Node 0 [ 288.510252] ? __lock_acquire+0x7ec/0x4ec0 [ 288.515329] DMA: [ 288.517584] ? should_fail+0x22d/0xd01 [ 288.521794] 1*4kB [ 288.523850] ? print_usage_bug+0xc0/0xc0 [ 288.527732] (U) [ 288.529882] ? mark_held_locks+0x130/0x130 [ 288.533912] 0*8kB [ 288.535897] ? mark_held_locks+0x130/0x130 [ 288.540144] 0*16kB [ 288.542293] ? graph_lock+0x170/0x170 [ 288.546502] 1*32kB [ 288.548734] ? print_usage_bug+0xc0/0xc0 [ 288.552506] (U) [ 288.554741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.558772] 2*64kB [ 288.560760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.565486] (U) [ 288.567715] ? check_preemption_disabled+0x48/0x200 [ 288.573222] 1*128kB (U) [ 288.575197] ? check_preemption_disabled+0x48/0x200 [ 288.580188] 1*256kB [ 288.582862] ? __lock_is_held+0xb5/0x140 [ 288.587836] (U) 0*512kB [ 288.590173] __alloc_pages_nodemask+0xa80/0xde0 [ 288.594203] 1*1024kB [ 288.596866] ? graph_lock+0x170/0x170 [ 288.601509] (U) [ 288.603915] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.607683] 1*2048kB (M) [ 288.609664] ? graph_lock+0x170/0x170 [ 288.614658] 3*4096kB [ 288.617416] ? find_held_lock+0x36/0x1c0 [ 288.621182] (M) [ 288.623599] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.627624] = 15908kB [ 288.627637] Node 0 [ 288.629612] ? lock_downgrade+0x900/0x900 [ 288.634255] DMA32: [ 288.636680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.638890] 4*4kB [ 288.643032] cache_grow_begin+0x91/0x8c0 [ 288.645242] (UM) [ 288.650772] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.652903] 2*8kB [ 288.656988] fallback_alloc+0x203/0x2e0 [ 288.659057] (M) [ 288.663466] ____cache_alloc_node+0x1c7/0x1e0 [ 288.665592] 1*16kB [ 288.669559] kmem_cache_alloc_node+0xe3/0x730 [ 288.671506] (M) [ 288.675995] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.678199] 1*32kB (M) [ 288.682705] __alloc_skb+0x119/0x770 [ 288.684655] 3*64kB [ 288.688887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.691445] (UM) [ 288.695155] ? skb_scrub_packet+0x490/0x490 [ 288.697367] 3*128kB [ 288.702637] ? lock_downgrade+0x900/0x900 [ 288.704675] (M) [ 288.708992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.711289] 2*256kB [ 288.715429] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.717380] (M) [ 288.722910] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.725211] 3*512kB [ 288.730675] ? addrconf_rs_timer+0x6f0/0x6f0 [ 288.732646] (M) [ 288.738100] ndisc_alloc_skb+0x144/0x340 [ 288.740391] 4*1024kB [ 288.744802] ndisc_send_rs+0x331/0x6e0 [ 288.746755] (UM) [ 288.750815] addrconf_rs_timer+0x3c0/0x6f0 [ 288.753197] 3*2048kB [ 288.757079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.759136] (M) 3*4096kB [ 288.763390] call_timer_fn+0x272/0x920 [ 288.765762] (M) [ 288.770007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.772739] = 25232kB [ 288.776617] ? process_timeout+0x40/0x40 [ 288.778570] Node 0 [ 288.782804] ? find_held_lock+0x36/0x1c0 [ 288.785191] Normal: [ 288.789263] ? __run_timers+0x7da/0xc70 [ 288.791470] 1065*4kB [ 288.795524] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.797823] (MEH) [ 288.801791] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.804177] 487*8kB [ 288.808666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.810789] (ME) [ 288.815281] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.817608] 153*16kB [ 288.821835] ? trace_hardirqs_on+0xbd/0x310 [ 288.823871] (MEH) [ 288.828446] ? kasan_check_read+0x11/0x20 [ 288.830834] 77*32kB [ 288.835148] ? __run_timers+0x7da/0xc70 [ 288.837270] (UM) [ 288.841409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.843706] 0*64kB [ 288.847690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.849727] 1*128kB [ 288.855172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.857380] (H) [ 288.861612] __run_timers+0x7e5/0xc70 [ 288.863910] 1*256kB [ 288.868155] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.870089] (U) [ 288.873885] ? compat_start_thread+0x80/0x80 [ 288.876186] 1*512kB [ 288.881542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.883492] (U) [ 288.887895] ? kasan_check_write+0x14/0x20 [ 288.890199] 0*1024kB [ 288.895748] ? finish_task_switch+0x2f5/0x900 [ 288.897699] 0*2048kB [ 288.901929] ? __switch_to_asm+0x40/0x70 [ 288.904307] 0*4096kB = 13964kB [ 288.908810] ? preempt_notifier_register+0x200/0x200 [ 288.911201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.915253] ? __switch_to_asm+0x34/0x70 [ 288.918428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.923515] ? __switch_to_asm+0x40/0x70 [ 288.932326] 412 total pagecache pages [ 288.936382] ? __switch_to_asm+0x34/0x70 [ 288.944938] 0 pages in swap cache [ 288.948983] ? __switch_to_asm+0x40/0x70 [ 288.952759] Swap cache stats: add 0, delete 0, find 0/0 [ 288.952767] Free swap = 0kB [ 288.956823] ? __switch_to_asm+0x34/0x70 [ 288.960248] Total swap = 0kB [ 288.964305] ? __switch_to_asm+0x40/0x70 [ 288.969646] 1965979 pages RAM [ 288.972662] ? pvclock_read_flags+0x160/0x160 [ 288.976692] 0 pages HighMem/MovableOnly [ 288.979705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.983757] 343323 pages reserved [ 288.986856] ? check_preemption_disabled+0x48/0x200 [ 288.991319] 0 pages cma reserved [ 288.991397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.995300] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 288.995315] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.995330] ? rcu_pm_notify+0xc0/0xc0 [ 289.000906] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.004295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.009286] syz-executor0 cpuset= [ 289.012655] ? check_preemption_disabled+0x48/0x200 [ 289.019121] syz0 [ 289.024658] run_timer_softirq+0x52/0xb0 [ 289.029909] mems_allowed=0 [ 289.033790] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.072126] __do_softirq+0x30b/0xad8 [ 289.075944] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.081046] ? trace_hardirqs_off_caller+0x300/0x300 [ 289.086153] ? trace_hardirqs_on+0x310/0x310 [ 289.090567] ? schedule+0x108/0x460 [ 289.094208] ? __schedule+0x1ed0/0x1ed0 [ 289.098192] ? trace_hardirqs_off+0xb8/0x300 [ 289.102611] ? ___might_sleep+0x1ed/0x300 [ 289.106758] ? smpboot_thread_fn+0x68b/0xa00 [ 289.111169] ? trace_hardirqs_on+0x310/0x310 [ 289.115586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.121127] ? check_preemption_disabled+0x48/0x200 [ 289.126151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.131707] ? takeover_tasklets+0xa90/0xa90 [ 289.136119] run_ksoftirqd+0x94/0x100 [ 289.139924] smpboot_thread_fn+0x68b/0xa00 [ 289.144167] ? sort_range+0x30/0x30 [ 289.147799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.152905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.158443] ? __kthread_parkme+0xfb/0x1a0 [ 289.162687] kthread+0x35a/0x420 [ 289.166073] ? sort_range+0x30/0x30 [ 289.169699] ? kthread_bind+0x40/0x40 [ 289.173514] ret_from_fork+0x3a/0x50 [ 289.177249] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 289.177328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.184519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.184524] Call Trace: [ 289.184530] [ 289.184547] dump_stack+0x1c4/0x2b4 [ 289.184565] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.191103] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.200400] warn_alloc.cold.118+0xb7/0x1bd [ 289.202950] ksoftirqd/1 cpuset= [ 289.205092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.208717] / [ 289.213920] ? lock_downgrade+0x900/0x900 [ 289.224206] mems_allowed=0 [ 289.228519] ? trace_hardirqs_off+0xb8/0x300 [ 289.249775] ? trace_hardirqs_off+0xb8/0x300 [ 289.254201] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.259079] ? warn_alloc+0x120/0x120 [ 289.262886] ? warn_alloc+0x120/0x120 [ 289.266689] ? print_usage_bug+0xc0/0xc0 [ 289.270748] ? warn_alloc+0x120/0x120 [ 289.274548] ? print_usage_bug+0xc0/0xc0 [ 289.278616] ? __lock_acquire+0x7ec/0x4ec0 [ 289.282857] ? __lock_acquire+0x7ec/0x4ec0 [ 289.287096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.292640] ? should_fail+0x22d/0xd01 [ 289.296534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.301643] ? __lock_acquire+0x7ec/0x4ec0 [ 289.305881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.310989] ? __lock_acquire+0x7ec/0x4ec0 [ 289.315220] ? should_fail+0x22d/0xd01 [ 289.319118] ? mark_held_locks+0x130/0x130 [ 289.323360] ? mark_held_locks+0x130/0x130 [ 289.327604] ? graph_lock+0x170/0x170 [ 289.331411] ? graph_lock+0x170/0x170 [ 289.335213] ? graph_lock+0x170/0x170 [ 289.339421] ? print_usage_bug+0xc0/0xc0 [ 289.343484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.349024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.354564] ? check_preemption_disabled+0x48/0x200 [ 289.359597] ? check_preemption_disabled+0x48/0x200 [ 289.364639] ? __lock_is_held+0xb5/0x140 [ 289.368712] __alloc_pages_nodemask+0xa80/0xde0 [ 289.373386] ? graph_lock+0x170/0x170 [ 289.377191] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.382208] ? graph_lock+0x170/0x170 [ 289.386022] ? find_held_lock+0x36/0x1c0 [ 289.390094] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.394779] ? lock_downgrade+0x900/0x900 [ 289.398937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.404477] cache_grow_begin+0x91/0x8c0 [ 289.408540] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.413005] fallback_alloc+0x203/0x2e0 [ 289.416986] ____cache_alloc_node+0x1c7/0x1e0 [ 289.421488] kmem_cache_alloc_node+0xe3/0x730 [ 289.425984] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.430227] __alloc_skb+0x119/0x770 [ 289.433944] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.439227] ? skb_scrub_packet+0x490/0x490 [ 289.443550] ? lock_downgrade+0x900/0x900 [ 289.447716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.453257] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.458712] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.464164] ? addrconf_rs_timer+0x6f0/0x6f0 [ 289.468591] ndisc_alloc_skb+0x144/0x340 [ 289.472662] ndisc_send_rs+0x331/0x6e0 [ 289.476560] addrconf_rs_timer+0x3c0/0x6f0 [ 289.480824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.485076] call_timer_fn+0x272/0x920 [ 289.488962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.493196] ? process_timeout+0x40/0x40 [ 289.497253] ? find_held_lock+0x36/0x1c0 [ 289.501326] ? __run_timers+0x7da/0xc70 [ 289.505305] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.509800] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.514297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.518533] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.523116] ? trace_hardirqs_on+0xbd/0x310 [ 289.527434] ? kasan_check_read+0x11/0x20 [ 289.531592] ? __run_timers+0x7da/0xc70 [ 289.535570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.541045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.545285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.549537] __run_timers+0x7e5/0xc70 [ 289.553355] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.558719] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.563735] ? graph_lock+0x170/0x170 [ 289.567541] ? enqueue_hrtimer+0x1a5/0x560 [ 289.571783] ? lock_release+0x970/0x970 [ 289.575757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.580954] ? find_held_lock+0x36/0x1c0 [ 289.585024] ? graph_lock+0x170/0x170 [ 289.588826] ? pvclock_read_flags+0x160/0x160 [ 289.593325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.598859] ? check_preemption_disabled+0x48/0x200 [ 289.604063] ? __lock_is_held+0xb5/0x140 [ 289.608123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.613666] ? check_preemption_disabled+0x48/0x200 [ 289.618692] run_timer_softirq+0x52/0xb0 [ 289.622753] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.627777] __do_softirq+0x30b/0xad8 [ 289.631601] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.636721] ? pvclock_read_flags+0x160/0x160 [ 289.641217] ? lapic_next_event+0x5a/0x90 [ 289.645369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.650904] ? check_preemption_disabled+0x48/0x200 [ 289.655919] ? check_preemption_disabled+0x48/0x200 [ 289.660939] ? kvm_clock_read+0x18/0x30 [ 289.664911] ? kvm_sched_clock_read+0x9/0x20 [ 289.669321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.674856] ? check_preemption_disabled+0x48/0x200 [ 289.679884] irq_exit+0x17f/0x1c0 [ 289.683341] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.688180] ? smp_reschedule_interrupt+0x109/0x650 [ 289.693196] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.699083] ? interrupt_entry+0xb5/0xf0 [ 289.703148] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.708164] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.713180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.718023] ? trace_hardirqs_off+0x300/0x300 [ 289.722519] ? trace_hardirqs_off+0x300/0x300 [ 289.727019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.732557] ? check_preemption_disabled+0x48/0x200 [ 289.737589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.743135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.747989] apic_timer_interrupt+0xf/0x20 [ 289.752215] [ 289.754457] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.759385] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 289.778287] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 289.786002] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.793270] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 289.800539] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 289.807806] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.815073] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.822403] skb_clone+0x1bb/0x500 [ 289.825954] ? finish_task_switch+0x1b5/0x900 [ 289.830448] ? skb_split+0x11e0/0x11e0 [ 289.834338] ? preempt_notifier_register+0x200/0x200 [ 289.839452] ? __switch_to_asm+0x34/0x70 [ 289.843511] ? __switch_to_asm+0x34/0x70 [ 289.847573] ? __switch_to_asm+0x40/0x70 [ 289.851645] ? __switch_to_asm+0x34/0x70 [ 289.855703] ? __switch_to_asm+0x40/0x70 [ 289.859761] ? __switch_to_asm+0x34/0x70 [ 289.863818] ? __switch_to_asm+0x40/0x70 [ 289.867880] ? __switch_to_asm+0x34/0x70 [ 289.871940] ? __switch_to_asm+0x34/0x70 [ 289.876002] ? __switch_to_asm+0x40/0x70 [ 289.880062] ? __switch_to_asm+0x34/0x70 [ 289.884134] bpf_clone_redirect+0xb9/0x490 [ 289.888370] ? __schedule+0x874/0x1ed0 [ 289.892268] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 289.897297] ? __sched_text_start+0x8/0x8 [ 289.901450] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.906227] ? find_held_lock+0x36/0x1c0 [ 289.910297] ? lock_acquire+0x1ed/0x520 [ 289.914275] ? bpf_test_run+0x32e/0x5a0 [ 289.918258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.923798] ? check_preemption_disabled+0x48/0x200 [ 289.928825] ? kasan_check_read+0x11/0x20 [ 289.932976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.938257] ? rcu_bh_qs+0xc0/0xc0 [ 289.941802] ? preempt_schedule+0x4d/0x60 [ 289.945950] ? ___preempt_schedule+0x16/0x18 [ 289.950375] ? bpf_test_run+0x1c0/0x5a0 [ 289.954360] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.958785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.964320] ? bpf_test_init.isra.9+0x70/0x100 [ 289.968907] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.973681] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.978528] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.984065] ? fput+0x130/0x1a0 [ 289.987352] ? __bpf_prog_get+0x9b/0x290 [ 289.991418] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.996259] ? bpf_prog_test_run+0x130/0x1a0 [ 290.000671] ? __x64_sys_bpf+0x3d8/0x510 [ 290.004733] ? bpf_prog_get+0x20/0x20 [ 290.008545] ? ksys_ioctl+0x81/0xd0 [ 290.012190] ? do_syscall_64+0x1b9/0x820 [ 290.016257] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.021637] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.026572] ? trace_hardirqs_off+0x300/0x300 [ 290.031081] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.036101] ? recalc_sigpending_tsk+0x180/0x180 [ 290.040860] ? kasan_check_write+0x14/0x20 [ 290.045104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.049957] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.055339] warn_alloc_show_mem: 1 callbacks suppressed [ 290.055350] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 290.055352] Mem-Info: [ 290.055384] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 290.055384] active_file:14 inactive_file:18 isolated_file:1 [ 290.055384] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.055384] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 290.055384] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 290.055384] free:13768 free_pcp:583 free_cma:0 [ 290.060723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.067572] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.069971] Call Trace: [ 290.102939] Node 0 [ 290.112306] dump_stack+0x1c4/0x2b4 [ 290.139986] 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 [ 290.142553] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.144757] lowmem_reserve[]: [ 290.148391] warn_alloc.cold.118+0xb7/0x1bd [ 290.173875] 0 [ 290.179071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.182138] 2815 6318 [ 290.186482] ? lock_downgrade+0x900/0x900 [ 290.188255] 6318 [ 290.193098] ? trace_hardirqs_off+0xb8/0x300 [ 290.199716] ? trace_hardirqs_off+0xb8/0x300 [ 290.201753] Node 0 [ 290.206168] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.210572] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 290.212803] ? warn_alloc+0x120/0x120 [ 290.217599] lowmem_reserve[]: [ 290.244502] ? warn_alloc+0x120/0x120 [ 290.248272] 0 [ 290.251374] ? print_usage_bug+0xc0/0xc0 [ 290.255145] 0 [ 290.256941] ? warn_alloc+0x120/0x120 [ 290.260976] 3503 [ 290.262771] ? print_usage_bug+0xc0/0xc0 [ 290.266544] 3503 [ 290.268606] ? __lock_acquire+0x7ec/0x4ec0 [ 290.274702] ? __lock_acquire+0x7ec/0x4ec0 [ 290.278912] Node 0 [ 290.283145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.283177] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 290.283185] lowmem_reserve[]: [ 290.285420] ? should_fail+0x22d/0xd01 [ 290.290921] 0 0 [ 290.319391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.322466] 0 [ 290.326349] ? __lock_acquire+0x7ec/0x4ec0 [ 290.328298] 0 [ 290.333399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.339401] ? __lock_acquire+0x7ec/0x4ec0 [ 290.341176] Node 0 [ 290.346276] ? should_fail+0x22d/0xd01 [ 290.350482] DMA: 1*4kB [ 290.352727] ? mark_held_locks+0x130/0x130 [ 290.356586] (U) [ 290.359166] ? mark_held_locks+0x130/0x130 [ 290.363373] 0*8kB [ 290.365342] ? graph_lock+0x170/0x170 [ 290.369554] 0*16kB [ 290.371698] ? graph_lock+0x170/0x170 [ 290.375477] 1*32kB [ 290.377708] ? graph_lock+0x170/0x170 [ 290.381481] (U) [ 290.383732] ? print_usage_bug+0xc0/0xc0 [ 290.387507] 2*64kB [ 290.389480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.393512] (U) [ 290.395763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.401274] 1*128kB [ 290.403249] ? check_preemption_disabled+0x48/0x200 [ 290.408759] (U) [ 290.411079] ? check_preemption_disabled+0x48/0x200 [ 290.416092] 1*256kB [ 290.418071] ? __lock_is_held+0xb5/0x140 [ 290.423053] (U) [ 290.425379] __alloc_pages_nodemask+0xa80/0xde0 [ 290.429409] 0*512kB [ 290.431377] ? graph_lock+0x170/0x170 [ 290.436015] 1*1024kB (U) [ 290.438340] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.442115] 1*2048kB [ 290.444868] ? graph_lock+0x170/0x170 [ 290.449857] (M) [ 290.452270] ? find_held_lock+0x36/0x1c0 [ 290.456037] 3*4096kB [ 290.458012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.462042] (M) [ 290.464447] ? lock_downgrade+0x900/0x900 [ 290.469090] = 15908kB [ 290.471597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.475720] Node 0 [ 290.478137] cache_grow_begin+0x91/0x8c0 [ 290.483640] DMA32: 4*4kB [ 290.485879] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.489911] (UM) [ 290.492667] fallback_alloc+0x203/0x2e0 [ 290.497044] 2*8kB [ 290.499106] ____cache_alloc_node+0x1c7/0x1e0 [ 290.503045] (M) 1*16kB [ 290.505200] kmem_cache_alloc_node+0xe3/0x730 [ 290.509666] (M) 1*32kB [ 290.512255] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.516720] (M) [ 290.519306] __alloc_skb+0x119/0x770 [ 290.523519] 3*64kB (UM) [ 290.525503] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.529179] 3*128kB (M) [ 290.531852] ? skb_scrub_packet+0x490/0x490 [ 290.537103] 2*256kB (M) [ 290.539786] ? lock_downgrade+0x900/0x900 [ 290.544076] 3*512kB (M) [ 290.546754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.550892] 4*1024kB [ 290.553558] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.559058] (UM) 3*2048kB [ 290.561473] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.566892] (M) 3*4096kB [ 290.569744] ? addrconf_rs_timer+0x6f0/0x6f0 [ 290.575166] (M) [ 290.577929] ndisc_alloc_skb+0x144/0x340 [ 290.582307] = 25232kB [ 290.582315] Node 0 [ 290.584285] ndisc_send_rs+0x331/0x6e0 [ 290.588328] Normal: 1065*4kB [ 290.590755] addrconf_rs_timer+0x3c0/0x6f0 [ 290.592963] (MEH) [ 290.596846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.599917] 487*8kB (ME) [ 290.604168] call_timer_fn+0x272/0x920 [ 290.606277] 153*16kB (MEH) [ 290.610515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.613241] 77*32kB (UM) [ 290.617131] ? process_timeout+0x40/0x40 [ 290.620035] 0*64kB 1*128kB [ 290.624273] ? find_held_lock+0x36/0x1c0 [ 290.626999] (H) 1*256kB [ 290.631064] ? __run_timers+0x7da/0xc70 [ 290.633963] (U) [ 290.638019] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.640665] 1*512kB [ 290.644633] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.646605] (U) [ 290.651098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.653389] 0*1024kB 0*2048kB [ 290.657884] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.659830] 0*4096kB = 13964kB [ 290.664067] ? trace_hardirqs_on+0xbd/0x310 [ 290.667240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.671806] ? kasan_check_read+0x11/0x20 [ 290.674979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.679291] ? __run_timers+0x7da/0xc70 [ 290.688102] 412 total pagecache pages [ 290.692247] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.700801] 0 pages in swap cache [ 290.704796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.708568] Swap cache stats: add 0, delete 0, find 0/0 [ 290.708585] Free swap = 0kB [ 290.714028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.717448] Total swap = 0kB [ 290.717456] 1965979 pages RAM [ 290.721689] __run_timers+0x7e5/0xc70 [ 290.727016] 0 pages HighMem/MovableOnly [ 290.727024] 343323 pages reserved [ 290.730046] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.734247] 0 pages cma reserved [ 290.737261] ? compat_start_thread+0x80/0x80 [ 290.740407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.744139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.744163] ? kasan_check_write+0x14/0x20 [ 290.748179] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.751570] ? finish_task_switch+0x2f5/0x900 [ 290.756939] syz-executor0 cpuset= [ 290.760293] ? __switch_to_asm+0x40/0x70 [ 290.760312] ? preempt_notifier_register+0x200/0x200 [ 290.764692] syz0 [ 290.771179] ? __switch_to_asm+0x34/0x70 [ 290.776696] mems_allowed=0 [ 290.780919] ? __switch_to_asm+0x40/0x70 [ 290.780935] ? __switch_to_asm+0x34/0x70 [ 290.825485] ? __switch_to_asm+0x40/0x70 [ 290.829548] ? __switch_to_asm+0x34/0x70 [ 290.833618] ? __switch_to_asm+0x40/0x70 [ 290.837698] ? pvclock_read_flags+0x160/0x160 [ 290.842196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.847739] ? check_preemption_disabled+0x48/0x200 [ 290.852767] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 290.858307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.863599] ? rcu_pm_notify+0xc0/0xc0 [ 290.867491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.873032] ? check_preemption_disabled+0x48/0x200 [ 290.878059] run_timer_softirq+0x52/0xb0 [ 290.882127] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.887163] __do_softirq+0x30b/0xad8 [ 290.890982] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.896084] ? trace_hardirqs_off_caller+0x300/0x300 [ 290.901189] ? trace_hardirqs_on+0x310/0x310 [ 290.905614] ? schedule+0x108/0x460 [ 290.909248] ? __schedule+0x1ed0/0x1ed0 [ 290.913229] ? trace_hardirqs_off+0xb8/0x300 [ 290.917640] ? ___might_sleep+0x1ed/0x300 [ 290.921787] ? smpboot_thread_fn+0x68b/0xa00 [ 290.926194] ? trace_hardirqs_on+0x310/0x310 [ 290.930644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.936184] ? check_preemption_disabled+0x48/0x200 [ 290.941202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.946746] ? takeover_tasklets+0xa90/0xa90 [ 290.951161] run_ksoftirqd+0x94/0x100 [ 290.954970] smpboot_thread_fn+0x68b/0xa00 [ 290.959212] ? sort_range+0x30/0x30 [ 290.962841] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.967947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.973487] ? __kthread_parkme+0xfb/0x1a0 [ 290.977729] kthread+0x35a/0x420 [ 290.981094] ? sort_range+0x30/0x30 [ 290.984720] ? kthread_bind+0x40/0x40 [ 290.988548] ret_from_fork+0x3a/0x50 [ 290.992298] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 290.992381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.999584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.999595] Call Trace: [ 291.006223] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.015449] [ 291.018019] ksoftirqd/1 cpuset= [ 291.028338] dump_stack+0x1c4/0x2b4 [ 291.030460] / [ 291.033735] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.037352] mems_allowed=0 [ 291.039070] warn_alloc.cold.118+0xb7/0x1bd [ 291.051480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.056330] ? lock_downgrade+0x900/0x900 [ 291.060487] ? trace_hardirqs_off+0xb8/0x300 [ 291.064913] ? trace_hardirqs_off+0xb8/0x300 [ 291.069339] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.074215] ? warn_alloc+0x120/0x120 [ 291.078022] ? warn_alloc+0x120/0x120 [ 291.081831] ? print_usage_bug+0xc0/0xc0 [ 291.085900] ? warn_alloc+0x120/0x120 [ 291.089710] ? print_usage_bug+0xc0/0xc0 [ 291.093786] ? __lock_acquire+0x7ec/0x4ec0 [ 291.098028] ? __lock_acquire+0x7ec/0x4ec0 [ 291.102271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.107821] ? should_fail+0x22d/0xd01 [ 291.111720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.116831] ? __lock_acquire+0x7ec/0x4ec0 [ 291.121079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.126191] ? __lock_acquire+0x7ec/0x4ec0 [ 291.130431] ? should_fail+0x22d/0xd01 [ 291.134337] ? mark_held_locks+0x130/0x130 [ 291.138589] ? mark_held_locks+0x130/0x130 [ 291.142837] ? graph_lock+0x170/0x170 [ 291.146648] ? graph_lock+0x170/0x170 [ 291.150459] ? graph_lock+0x170/0x170 [ 291.154262] ? print_usage_bug+0xc0/0xc0 [ 291.158336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.163875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.169522] ? check_preemption_disabled+0x48/0x200 [ 291.174540] ? check_preemption_disabled+0x48/0x200 [ 291.179572] ? __lock_is_held+0xb5/0x140 [ 291.183660] __alloc_pages_nodemask+0xa80/0xde0 [ 291.188334] ? graph_lock+0x170/0x170 [ 291.192139] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.197178] ? graph_lock+0x170/0x170 [ 291.200994] ? find_held_lock+0x36/0x1c0 [ 291.205068] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.209742] ? lock_downgrade+0x900/0x900 [ 291.213910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.219474] cache_grow_begin+0x91/0x8c0 [ 291.223547] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.227974] fallback_alloc+0x203/0x2e0 [ 291.231961] ____cache_alloc_node+0x1c7/0x1e0 [ 291.236462] kmem_cache_alloc_node+0xe3/0x730 [ 291.240958] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.245205] __alloc_skb+0x119/0x770 [ 291.248935] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.254216] ? skb_scrub_packet+0x490/0x490 [ 291.258537] ? lock_downgrade+0x900/0x900 [ 291.262695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.268236] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.273692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.279147] ? addrconf_rs_timer+0x6f0/0x6f0 [ 291.283572] ndisc_alloc_skb+0x144/0x340 [ 291.287655] ndisc_send_rs+0x331/0x6e0 [ 291.291551] addrconf_rs_timer+0x3c0/0x6f0 [ 291.295810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.300079] call_timer_fn+0x272/0x920 [ 291.303968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.308211] ? process_timeout+0x40/0x40 [ 291.312283] ? find_held_lock+0x36/0x1c0 [ 291.316369] ? __run_timers+0x7da/0xc70 [ 291.320357] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.324859] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.329361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.333615] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.338646] ? trace_hardirqs_on+0xbd/0x310 [ 291.342970] ? kasan_check_read+0x11/0x20 [ 291.347127] ? __run_timers+0x7da/0xc70 [ 291.351111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.356588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.360839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.365083] __run_timers+0x7e5/0xc70 [ 291.368903] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.374273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.379293] ? graph_lock+0x170/0x170 [ 291.383100] ? enqueue_hrtimer+0x1a5/0x560 [ 291.387347] ? lock_release+0x970/0x970 [ 291.391328] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.396534] ? find_held_lock+0x36/0x1c0 [ 291.400620] ? graph_lock+0x170/0x170 [ 291.404446] ? pvclock_read_flags+0x160/0x160 [ 291.408945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.414491] ? check_preemption_disabled+0x48/0x200 [ 291.419536] ? __lock_is_held+0xb5/0x140 [ 291.423606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.429153] ? check_preemption_disabled+0x48/0x200 [ 291.434187] run_timer_softirq+0x52/0xb0 [ 291.438253] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.443271] __do_softirq+0x30b/0xad8 [ 291.447082] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.452194] ? pvclock_read_flags+0x160/0x160 [ 291.456690] ? lapic_next_event+0x5a/0x90 [ 291.460839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.466375] ? check_preemption_disabled+0x48/0x200 [ 291.471390] ? check_preemption_disabled+0x48/0x200 [ 291.476410] ? kvm_clock_read+0x18/0x30 [ 291.480414] ? kvm_sched_clock_read+0x9/0x20 [ 291.484827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.490362] ? check_preemption_disabled+0x48/0x200 [ 291.495392] irq_exit+0x17f/0x1c0 [ 291.498853] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.503697] ? smp_reschedule_interrupt+0x109/0x650 [ 291.508721] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.514620] ? interrupt_entry+0xb5/0xf0 [ 291.518692] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.523709] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.528727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.533568] ? trace_hardirqs_off+0x300/0x300 [ 291.538074] ? trace_hardirqs_off+0x300/0x300 [ 291.542589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.548127] ? check_preemption_disabled+0x48/0x200 [ 291.553144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.558691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.563546] apic_timer_interrupt+0xf/0x20 [ 291.567793] [ 291.570042] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.574974] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 291.593876] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 291.601597] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.608866] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 291.616133] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 291.623399] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 291.630665] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 291.637985] skb_clone+0x1bb/0x500 [ 291.641530] ? finish_task_switch+0x1b5/0x900 [ 291.646026] ? skb_split+0x11e0/0x11e0 [ 291.649918] ? preempt_notifier_register+0x200/0x200 [ 291.655023] ? __switch_to_asm+0x34/0x70 [ 291.659081] ? __switch_to_asm+0x34/0x70 [ 291.663138] ? __switch_to_asm+0x40/0x70 [ 291.667204] ? __switch_to_asm+0x34/0x70 [ 291.671265] ? __switch_to_asm+0x40/0x70 [ 291.675327] ? __switch_to_asm+0x34/0x70 [ 291.679386] ? __switch_to_asm+0x40/0x70 [ 291.683444] ? __switch_to_asm+0x34/0x70 [ 291.687507] ? __switch_to_asm+0x34/0x70 [ 291.691564] ? __switch_to_asm+0x40/0x70 [ 291.695637] ? __switch_to_asm+0x34/0x70 [ 291.699710] bpf_clone_redirect+0xb9/0x490 [ 291.703946] ? __schedule+0x874/0x1ed0 [ 291.707838] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 291.712859] ? __sched_text_start+0x8/0x8 [ 291.717019] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.721790] ? find_held_lock+0x36/0x1c0 [ 291.725861] ? lock_acquire+0x1ed/0x520 [ 291.729838] ? bpf_test_run+0x32e/0x5a0 [ 291.733817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.739352] ? check_preemption_disabled+0x48/0x200 [ 291.744376] ? kasan_check_read+0x11/0x20 [ 291.748525] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.753802] ? rcu_bh_qs+0xc0/0xc0 [ 291.757348] ? preempt_schedule+0x4d/0x60 [ 291.761505] ? ___preempt_schedule+0x16/0x18 [ 291.765924] ? bpf_test_run+0x1c0/0x5a0 [ 291.769913] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.774332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.779866] ? bpf_test_init.isra.9+0x70/0x100 [ 291.784455] ? bpf_prog_test_run_skb+0x634/0xb40 [ 291.789222] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.794065] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.799607] ? fput+0x130/0x1a0 [ 291.802894] ? __bpf_prog_get+0x9b/0x290 [ 291.806965] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.811807] ? bpf_prog_test_run+0x130/0x1a0 [ 291.816220] ? __x64_sys_bpf+0x3d8/0x510 [ 291.820292] ? bpf_prog_get+0x20/0x20 [ 291.824105] ? ksys_ioctl+0x81/0xd0 [ 291.827742] ? do_syscall_64+0x1b9/0x820 [ 291.831803] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 291.837167] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.842165] ? trace_hardirqs_off+0x300/0x300 [ 291.846668] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 291.851684] ? recalc_sigpending_tsk+0x180/0x180 [ 291.856438] ? kasan_check_write+0x14/0x20 [ 291.860682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.865540] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.870920] warn_alloc_show_mem: 1 callbacks suppressed [ 291.870931] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 291.870933] Mem-Info: [ 291.870981] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 291.870981] active_file:14 inactive_file:18 isolated_file:1 [ 291.870981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.870981] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 291.870981] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 291.870981] free:13768 free_pcp:583 free_cma:0 [ 291.876321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.883167] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.885591] Call Trace: [ 291.918556] Node 0 [ 291.927943] dump_stack+0x1c4/0x2b4 [ 291.955631] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.958190] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.960402] lowmem_reserve[]: [ 291.964033] warn_alloc.cold.118+0xb7/0x1bd [ 291.989517] 0 [ 291.994707] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.997782] 2815 [ 292.002102] ? lock_downgrade+0x900/0x900 [ 292.003883] 6318 [ 292.008725] ? trace_hardirqs_off+0xb8/0x300 [ 292.010761] 6318 [ 292.014907] ? trace_hardirqs_off+0xb8/0x300 [ 292.021346] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.023377] Node 0 [ 292.027805] ? warn_alloc+0x120/0x120 [ 292.032625] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 292.034830] ? warn_alloc+0x120/0x120 [ 292.038600] lowmem_reserve[]: 0 [ 292.065502] ? print_usage_bug+0xc0/0xc0 [ 292.069275] 0 [ 292.072551] ? warn_alloc+0x120/0x120 [ 292.076594] 3503 [ 292.078391] ? print_usage_bug+0xc0/0xc0 [ 292.082161] 3503 [ 292.084224] ? __lock_acquire+0x7ec/0x4ec0 [ 292.088262] Node 0 [ 292.090316] ? __lock_acquire+0x7ec/0x4ec0 [ 292.094553] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 292.096761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.100970] lowmem_reserve[]: [ 292.129429] ? should_fail+0x22d/0xd01 [ 292.134939] 0 [ 292.138040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.141893] 0 0 [ 292.143701] ? __lock_acquire+0x7ec/0x4ec0 [ 292.148776] 0 [ 292.150758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.156779] ? __lock_acquire+0x7ec/0x4ec0 [ 292.161856] Node 0 [ 292.166083] ? should_fail+0x22d/0xd01 [ 292.166093] DMA: [ 292.168325] ? print_usage_bug+0xc0/0xc0 [ 292.172186] 1*4kB [ 292.174248] ? mark_held_locks+0x130/0x130 [ 292.178273] (U) [ 292.180488] ? mark_held_locks+0x130/0x130 [ 292.184697] 0*8kB [ 292.186670] ? graph_lock+0x170/0x170 [ 292.190873] 0*16kB [ 292.193015] ? print_usage_bug+0xc0/0xc0 [ 292.196820] 1*32kB [ 292.199052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.203094] (U) [ 292.205327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.210055] 2*64kB [ 292.212024] ? check_preemption_disabled+0x48/0x200 [ 292.217530] (U) 1*128kB [ 292.219765] ? check_preemption_disabled+0x48/0x200 [ 292.224756] (U) [ 292.227426] ? __lock_is_held+0xb5/0x140 [ 292.232408] 1*256kB [ 292.234379] __alloc_pages_nodemask+0xa80/0xde0 [ 292.238409] (U) [ 292.240724] ? graph_lock+0x170/0x170 [ 292.245366] 0*512kB [ 292.247337] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.251111] 1*1024kB [ 292.253423] ? graph_lock+0x170/0x170 [ 292.258413] (U) [ 292.260824] ? find_held_lock+0x36/0x1c0 [ 292.264602] 1*2048kB [ 292.266587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.270620] (M) [ 292.273023] ? lock_downgrade+0x900/0x900 [ 292.277659] 3*4096kB (M) [ 292.279645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.283771] = 15908kB [ 292.286525] cache_grow_begin+0x91/0x8c0 [ 292.292033] Node 0 [ 292.294441] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.298470] DMA32: 4*4kB [ 292.300715] fallback_alloc+0x203/0x2e0 [ 292.305094] (UM) [ 292.307852] ____cache_alloc_node+0x1c7/0x1e0 [ 292.311800] 2*8kB [ 292.313860] kmem_cache_alloc_node+0xe3/0x730 [ 292.318327] (M) [ 292.320471] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.324940] 1*16kB [ 292.326915] __alloc_skb+0x119/0x770 [ 292.331125] (M) [ 292.333372] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.337069] 1*32kB [ 292.339035] ? skb_scrub_packet+0x490/0x490 [ 292.344280] (M) 3*64kB [ 292.346521] ? lock_downgrade+0x900/0x900 [ 292.350811] (UM) 3*128kB [ 292.353401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.357515] (M) [ 292.360281] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.365785] 2*256kB (M) [ 292.367765] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.373186] 3*512kB (M) [ 292.375866] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.381279] 4*1024kB (UM) [ 292.383961] ndisc_alloc_skb+0x144/0x340 [ 292.388336] 3*2048kB [ 292.391181] ndisc_send_rs+0x331/0x6e0 [ 292.395213] (M) [ 292.397634] addrconf_rs_timer+0x3c0/0x6f0 [ 292.401491] 3*4096kB (M) [ 292.403472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.407679] = 25232kB [ 292.410438] call_timer_fn+0x272/0x920 [ 292.414640] Node 0 [ 292.417042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.420898] Normal: 1065*4kB [ 292.423163] ? process_timeout+0x40/0x40 [ 292.427365] (MEH) [ 292.430463] ? find_held_lock+0x36/0x1c0 [ 292.434496] 487*8kB [ 292.436655] ? __run_timers+0x7da/0xc70 [ 292.440688] (ME) [ 292.443009] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.446956] 153*16kB [ 292.449014] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.453478] (MEH) 77*32kB [ 292.455894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.460358] (UM) [ 292.463203] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.467402] 0*64kB 1*128kB [ 292.469467] ? trace_hardirqs_on+0xbd/0x310 [ 292.474252] (H) [ 292.477182] ? kasan_check_read+0x11/0x20 [ 292.481479] 1*256kB [ 292.483453] ? __run_timers+0x7da/0xc70 [ 292.487572] (U) [ 292.489907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.493856] 1*512kB [ 292.495829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.501251] (U) [ 292.503572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.507785] 0*1024kB [ 292.509758] __run_timers+0x7e5/0xc70 [ 292.513963] 0*2048kB 0*4096kB [ 292.516390] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.520153] = 13964kB [ 292.520168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.523346] ? compat_start_thread+0x80/0x80 [ 292.528692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.531090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.539899] 412 total pagecache pages [ 292.544310] ? kasan_check_write+0x14/0x20 [ 292.552886] 0 pages in swap cache [ 292.558414] ? finish_task_switch+0x2f5/0x900 [ 292.562184] Swap cache stats: add 0, delete 0, find 0/0 [ 292.562193] Free swap = 0kB [ 292.566423] ? __switch_to_asm+0x40/0x70 [ 292.569843] Total swap = 0kB [ 292.569851] 1965979 pages RAM [ 292.574345] ? preempt_notifier_register+0x200/0x200 [ 292.579673] 0 pages HighMem/MovableOnly [ 292.579682] 343323 pages reserved [ 292.582700] ? __switch_to_asm+0x34/0x70 [ 292.586734] 0 pages cma reserved [ 292.589746] ? __switch_to_asm+0x40/0x70 [ 292.592895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.597915] ? __switch_to_asm+0x34/0x70 [ 292.597930] ? __switch_to_asm+0x40/0x70 [ 292.601944] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.605329] ? __switch_to_asm+0x34/0x70 [ 292.609365] syz-executor0 cpuset= [ 292.612722] ? __switch_to_asm+0x40/0x70 [ 292.616759] syz0 [ 292.623251] ? pvclock_read_flags+0x160/0x160 [ 292.627281] mems_allowed=0 [ 292.631341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.668229] ? check_preemption_disabled+0x48/0x200 [ 292.673259] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 292.678796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.684076] ? rcu_pm_notify+0xc0/0xc0 [ 292.687967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.693502] ? check_preemption_disabled+0x48/0x200 [ 292.698529] run_timer_softirq+0x52/0xb0 [ 292.702598] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.707621] __do_softirq+0x30b/0xad8 [ 292.711472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.716586] ? trace_hardirqs_off_caller+0x300/0x300 [ 292.721695] ? trace_hardirqs_on+0x310/0x310 [ 292.726113] ? schedule+0x108/0x460 [ 292.729747] ? __schedule+0x1ed0/0x1ed0 [ 292.733726] ? trace_hardirqs_off+0xb8/0x300 [ 292.738153] ? ___might_sleep+0x1ed/0x300 [ 292.742304] ? smpboot_thread_fn+0x68b/0xa00 [ 292.746714] ? trace_hardirqs_on+0x310/0x310 [ 292.751129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.756672] ? check_preemption_disabled+0x48/0x200 [ 292.761689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.767240] ? takeover_tasklets+0xa90/0xa90 [ 292.771674] run_ksoftirqd+0x94/0x100 [ 292.775476] smpboot_thread_fn+0x68b/0xa00 [ 292.779719] ? sort_range+0x30/0x30 [ 292.783349] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.788460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.794007] ? __kthread_parkme+0xfb/0x1a0 [ 292.798252] kthread+0x35a/0x420 [ 292.801627] ? sort_range+0x30/0x30 [ 292.805258] ? kthread_bind+0x40/0x40 [ 292.809065] ret_from_fork+0x3a/0x50 [ 292.812799] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 292.812880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.820070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.820079] Call Trace: [ 292.826686] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.835908] [ 292.838486] ksoftirqd/1 cpuset= [ 292.848795] dump_stack+0x1c4/0x2b4 [ 292.850916] / [ 292.854193] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.857805] mems_allowed=0 [ 292.859524] warn_alloc.cold.118+0xb7/0x1bd [ 292.871925] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.876775] ? lock_downgrade+0x900/0x900 [ 292.880933] ? trace_hardirqs_off+0xb8/0x300 [ 292.885352] ? trace_hardirqs_off+0xb8/0x300 [ 292.889774] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.894666] ? warn_alloc+0x120/0x120 [ 292.898474] ? warn_alloc+0x120/0x120 [ 292.902278] ? print_usage_bug+0xc0/0xc0 [ 292.906341] ? warn_alloc+0x120/0x120 [ 292.910146] ? print_usage_bug+0xc0/0xc0 [ 292.914215] ? __lock_acquire+0x7ec/0x4ec0 [ 292.918452] ? __lock_acquire+0x7ec/0x4ec0 [ 292.922692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.928231] ? should_fail+0x22d/0xd01 [ 292.932125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.937232] ? __lock_acquire+0x7ec/0x4ec0 [ 292.941471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.946574] ? __lock_acquire+0x7ec/0x4ec0 [ 292.950814] ? should_fail+0x22d/0xd01 [ 292.954712] ? mark_held_locks+0x130/0x130 [ 292.958950] ? mark_held_locks+0x130/0x130 [ 292.963184] ? graph_lock+0x170/0x170 [ 292.966987] ? graph_lock+0x170/0x170 [ 292.970794] ? graph_lock+0x170/0x170 [ 292.974611] ? print_usage_bug+0xc0/0xc0 [ 292.978683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.984223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.989761] ? check_preemption_disabled+0x48/0x200 [ 292.994773] ? check_preemption_disabled+0x48/0x200 [ 292.999804] ? __lock_is_held+0xb5/0x140 [ 293.003878] __alloc_pages_nodemask+0xa80/0xde0 [ 293.008548] ? graph_lock+0x170/0x170 [ 293.012362] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.017373] ? graph_lock+0x170/0x170 [ 293.021189] ? find_held_lock+0x36/0x1c0 [ 293.025277] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.029946] ? lock_downgrade+0x900/0x900 [ 293.034104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.039654] cache_grow_begin+0x91/0x8c0 [ 293.043721] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.048136] fallback_alloc+0x203/0x2e0 [ 293.052121] ____cache_alloc_node+0x1c7/0x1e0 [ 293.056627] kmem_cache_alloc_node+0xe3/0x730 [ 293.061132] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.065392] __alloc_skb+0x119/0x770 [ 293.069110] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.074410] ? skb_scrub_packet+0x490/0x490 [ 293.078733] ? lock_downgrade+0x900/0x900 [ 293.082893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.088434] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.093903] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.099355] ? addrconf_rs_timer+0x6f0/0x6f0 [ 293.103792] ndisc_alloc_skb+0x144/0x340 [ 293.107857] ndisc_send_rs+0x331/0x6e0 [ 293.111754] addrconf_rs_timer+0x3c0/0x6f0 [ 293.116007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.120257] call_timer_fn+0x272/0x920 [ 293.124149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.128415] ? process_timeout+0x40/0x40 [ 293.132478] ? find_held_lock+0x36/0x1c0 [ 293.136553] ? __run_timers+0x7da/0xc70 [ 293.140542] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.145053] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.149584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.153824] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.158413] ? trace_hardirqs_on+0xbd/0x310 [ 293.162733] ? kasan_check_read+0x11/0x20 [ 293.166886] ? __run_timers+0x7da/0xc70 [ 293.170867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.176324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.180564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.184817] __run_timers+0x7e5/0xc70 [ 293.188639] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.194033] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.199071] ? graph_lock+0x170/0x170 [ 293.202886] ? enqueue_hrtimer+0x1a5/0x560 [ 293.207129] ? lock_release+0x970/0x970 [ 293.211106] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.216305] ? find_held_lock+0x36/0x1c0 [ 293.220372] ? graph_lock+0x170/0x170 [ 293.224175] ? pvclock_read_flags+0x160/0x160 [ 293.228676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.234213] ? check_preemption_disabled+0x48/0x200 [ 293.239253] ? __lock_is_held+0xb5/0x140 [ 293.243315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.248852] ? check_preemption_disabled+0x48/0x200 [ 293.253882] run_timer_softirq+0x52/0xb0 [ 293.257946] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.262967] __do_softirq+0x30b/0xad8 [ 293.266781] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.271918] ? pvclock_read_flags+0x160/0x160 [ 293.276419] ? lapic_next_event+0x5a/0x90 [ 293.280568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.286115] ? check_preemption_disabled+0x48/0x200 [ 293.291129] ? check_preemption_disabled+0x48/0x200 [ 293.296160] ? kvm_clock_read+0x18/0x30 [ 293.300135] ? kvm_sched_clock_read+0x9/0x20 [ 293.304549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.310095] ? check_preemption_disabled+0x48/0x200 [ 293.315133] irq_exit+0x17f/0x1c0 [ 293.318602] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.323452] ? smp_reschedule_interrupt+0x109/0x650 [ 293.328475] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.334362] ? interrupt_entry+0xb5/0xf0 [ 293.338836] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.343879] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.348904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.353753] ? trace_hardirqs_off+0x300/0x300 [ 293.358253] ? trace_hardirqs_off+0x300/0x300 [ 293.362751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.368286] ? check_preemption_disabled+0x48/0x200 [ 293.373304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.378853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.383707] apic_timer_interrupt+0xf/0x20 [ 293.387934] [ 293.390174] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 293.395105] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 293.414014] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 293.421727] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 293.428997] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 293.436263] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 293.443550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 293.450824] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 293.458144] skb_clone+0x1bb/0x500 [ 293.461687] ? finish_task_switch+0x1b5/0x900 [ 293.466187] ? skb_split+0x11e0/0x11e0 [ 293.470079] ? preempt_notifier_register+0x200/0x200 [ 293.475186] ? __switch_to_asm+0x34/0x70 [ 293.479250] ? __switch_to_asm+0x34/0x70 [ 293.483311] ? __switch_to_asm+0x40/0x70 [ 293.487385] ? __switch_to_asm+0x34/0x70 [ 293.491445] ? __switch_to_asm+0x40/0x70 [ 293.495532] ? __switch_to_asm+0x34/0x70 [ 293.499599] ? __switch_to_asm+0x40/0x70 [ 293.503664] ? __switch_to_asm+0x34/0x70 [ 293.507727] ? __switch_to_asm+0x34/0x70 [ 293.511789] ? __switch_to_asm+0x40/0x70 [ 293.515846] ? __switch_to_asm+0x34/0x70 [ 293.519920] bpf_clone_redirect+0xb9/0x490 [ 293.524166] ? __schedule+0x874/0x1ed0 [ 293.528067] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 293.533088] ? __sched_text_start+0x8/0x8 [ 293.537235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.542008] ? find_held_lock+0x36/0x1c0 [ 293.546076] ? lock_acquire+0x1ed/0x520 [ 293.550050] ? bpf_test_run+0x32e/0x5a0 [ 293.554056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.559600] ? check_preemption_disabled+0x48/0x200 [ 293.564622] ? kasan_check_read+0x11/0x20 [ 293.568780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.574057] ? rcu_bh_qs+0xc0/0xc0 [ 293.577605] ? preempt_schedule+0x4d/0x60 [ 293.581759] ? ___preempt_schedule+0x16/0x18 [ 293.586178] ? bpf_test_run+0x1c0/0x5a0 [ 293.590169] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.594595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.600132] ? bpf_test_init.isra.9+0x70/0x100 [ 293.604723] ? bpf_prog_test_run_skb+0x634/0xb40 [ 293.609493] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.614338] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.619877] ? fput+0x130/0x1a0 [ 293.623160] ? __bpf_prog_get+0x9b/0x290 [ 293.627225] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.632068] ? bpf_prog_test_run+0x130/0x1a0 [ 293.636482] ? __x64_sys_bpf+0x3d8/0x510 [ 293.640545] ? bpf_prog_get+0x20/0x20 [ 293.644362] ? ksys_ioctl+0x81/0xd0 [ 293.647998] ? do_syscall_64+0x1b9/0x820 [ 293.652059] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.657433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.662369] ? trace_hardirqs_off+0x300/0x300 [ 293.666866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.671884] ? recalc_sigpending_tsk+0x180/0x180 [ 293.676647] ? kasan_check_write+0x14/0x20 [ 293.680890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.685746] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.691125] warn_alloc_show_mem: 1 callbacks suppressed [ 293.691142] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 293.691144] Mem-Info: [ 293.691177] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 293.691177] active_file:14 inactive_file:18 isolated_file:1 [ 293.691177] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.691177] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 293.691177] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 293.691177] free:13768 free_pcp:583 free_cma:0 [ 293.696514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.703365] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.705762] Call Trace: [ 293.738641] Node 0 [ 293.747998] dump_stack+0x1c4/0x2b4 [ 293.775667] 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 [ 293.778229] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.780436] lowmem_reserve[]: [ 293.784067] warn_alloc.cold.118+0xb7/0x1bd [ 293.809538] 0 [ 293.814726] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.817798] 2815 [ 293.822112] ? lock_downgrade+0x900/0x900 [ 293.823883] 6318 6318 [ 293.828730] ? trace_hardirqs_off+0xb8/0x300 [ 293.834925] ? trace_hardirqs_off+0xb8/0x300 [ 293.837396] Node 0 [ 293.841808] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.846213] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 293.848445] ? warn_alloc+0x120/0x120 [ 293.853231] lowmem_reserve[]: 0 [ 293.880143] ? warn_alloc+0x120/0x120 [ 293.883912] 0 [ 293.887185] ? print_usage_bug+0xc0/0xc0 [ 293.890957] 3503 [ 293.892755] ? warn_alloc+0x120/0x120 [ 293.896788] 3503 [ 293.898852] ? print_usage_bug+0xc0/0xc0 [ 293.902633] Node 0 [ 293.904691] ? __lock_acquire+0x7ec/0x4ec0 [ 293.908769] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 293.910993] ? __lock_acquire+0x7ec/0x4ec0 [ 293.915210] lowmem_reserve[]: [ 293.943667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.947873] 0 [ 293.950975] ? should_fail+0x22d/0xd01 [ 293.956501] 0 [ 293.958302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.962161] 0 [ 293.963958] ? __lock_acquire+0x7ec/0x4ec0 [ 293.969037] 0 [ 293.970832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.976836] ? __lock_acquire+0x7ec/0x4ec0 [ 293.981941] Node 0 [ 293.986168] ? should_fail+0x22d/0xd01 [ 293.986178] DMA: [ 293.988424] ? print_usage_bug+0xc0/0xc0 [ 293.992286] 1*4kB [ 293.994349] ? mark_held_locks+0x130/0x130 [ 293.998376] (U) [ 294.000518] ? mark_held_locks+0x130/0x130 [ 294.004726] 0*8kB [ 294.006701] ? graph_lock+0x170/0x170 [ 294.010912] 0*16kB [ 294.013059] ? print_usage_bug+0xc0/0xc0 [ 294.016834] 1*32kB [ 294.019068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.023097] (U) [ 294.025329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.030058] 2*64kB [ 294.032025] ? check_preemption_disabled+0x48/0x200 [ 294.037546] (U) [ 294.039794] ? check_preemption_disabled+0x48/0x200 [ 294.044788] 1*128kB [ 294.046767] ? __lock_is_held+0xb5/0x140 [ 294.051751] (U) [ 294.054072] __alloc_pages_nodemask+0xa80/0xde0 [ 294.058105] 1*256kB [ 294.060073] ? graph_lock+0x170/0x170 [ 294.064714] (U) [ 294.067046] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.070821] 0*512kB [ 294.072789] ? graph_lock+0x170/0x170 [ 294.077794] 1*1024kB [ 294.080117] ? find_held_lock+0x36/0x1c0 [ 294.083884] (U) [ 294.086297] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.090324] 1*2048kB (M) [ 294.092303] ? lock_downgrade+0x900/0x900 [ 294.096946] 3*4096kB [ 294.099698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.103814] (M) [ 294.106220] cache_grow_begin+0x91/0x8c0 [ 294.111722] = 15908kB [ 294.111730] Node 0 [ 294.113700] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.117732] DMA32: [ 294.120147] fallback_alloc+0x203/0x2e0 [ 294.122349] 4*4kB [ 294.126755] ____cache_alloc_node+0x1c7/0x1e0 [ 294.128965] (UM) [ 294.132933] kmem_cache_alloc_node+0xe3/0x730 [ 294.135055] 2*8kB [ 294.139545] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.141572] (M) 1*16kB [ 294.146086] __alloc_skb+0x119/0x770 [ 294.148207] (M) [ 294.152437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.154995] 1*32kB [ 294.158700] ? skb_scrub_packet+0x490/0x490 [ 294.160657] (M) [ 294.165925] ? lock_downgrade+0x900/0x900 [ 294.168159] 3*64kB [ 294.172475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.174419] (UM) [ 294.178564] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.180779] 3*128kB [ 294.186310] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.188342] (M) 2*256kB [ 294.193794] ? addrconf_rs_timer+0x6f0/0x6f0 [ 294.196088] (M) [ 294.201540] ndisc_alloc_skb+0x144/0x340 [ 294.204177] 3*512kB [ 294.208577] ndisc_send_rs+0x331/0x6e0 [ 294.210535] (M) [ 294.214599] addrconf_rs_timer+0x3c0/0x6f0 [ 294.216897] 4*1024kB [ 294.220808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.222761] (UM) [ 294.227001] call_timer_fn+0x272/0x920 [ 294.229370] 3*2048kB (M) [ 294.233612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.235653] 3*4096kB [ 294.239537] ? process_timeout+0x40/0x40 [ 294.242269] (M) [ 294.246496] ? find_held_lock+0x36/0x1c0 [ 294.248883] = 25232kB [ 294.252939] ? __run_timers+0x7da/0xc70 [ 294.254889] Node 0 [ 294.258945] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.261323] Normal: 1065*4kB [ 294.265299] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.267509] (MEH) [ 294.271996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.275075] 487*8kB [ 294.279562] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.281683] (ME) [ 294.285921] ? trace_hardirqs_on+0xbd/0x310 [ 294.288221] 153*16kB [ 294.292791] ? kasan_check_read+0x11/0x20 [ 294.294829] (MEH) [ 294.299154] ? __run_timers+0x7da/0xc70 [ 294.301539] 77*32kB [ 294.305682] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.307824] (UM) [ 294.311794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.314087] 0*64kB 1*128kB [ 294.319541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.321575] (H) [ 294.325815] __run_timers+0x7e5/0xc70 [ 294.328715] 1*256kB (U) [ 294.332960] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.334904] 1*512kB [ 294.338698] ? compat_start_thread+0x80/0x80 [ 294.341341] (U) [ 294.346701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.348997] 0*1024kB [ 294.353398] ? kasan_check_write+0x14/0x20 [ 294.355347] 0*2048kB [ 294.360878] ? finish_task_switch+0x2f5/0x900 [ 294.363261] 0*4096kB [ 294.367489] ? __switch_to_asm+0x40/0x70 [ 294.369872] = 13964kB [ 294.374448] ? preempt_notifier_register+0x200/0x200 [ 294.376840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.380884] ? __switch_to_asm+0x34/0x70 [ 294.383279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.388367] ? __switch_to_asm+0x40/0x70 [ 294.397180] 412 total pagecache pages [ 294.401233] ? __switch_to_asm+0x34/0x70 [ 294.409786] 0 pages in swap cache [ 294.413833] ? __switch_to_asm+0x40/0x70 [ 294.417613] Swap cache stats: add 0, delete 0, find 0/0 [ 294.421668] ? __switch_to_asm+0x34/0x70 [ 294.425097] Free swap = 0kB [ 294.429152] ? __switch_to_asm+0x40/0x70 [ 294.434487] Total swap = 0kB [ 294.434496] 1965979 pages RAM [ 294.438558] ? pvclock_read_flags+0x160/0x160 [ 294.441545] 0 pages HighMem/MovableOnly [ 294.445608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.448605] 343323 pages reserved [ 294.451703] ? check_preemption_disabled+0x48/0x200 [ 294.456174] 0 pages cma reserved [ 294.460150] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 294.465723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.469096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.469113] ? rcu_pm_notify+0xc0/0xc0 [ 294.474438] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.477710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.483223] syz-executor0 cpuset= [ 294.489713] ? check_preemption_disabled+0x48/0x200 [ 294.494964] syz0 [ 294.498851] run_timer_softirq+0x52/0xb0 [ 294.509314] mems_allowed=0 [ 294.514852] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.537213] __do_softirq+0x30b/0xad8 [ 294.541027] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.546133] ? trace_hardirqs_off_caller+0x300/0x300 [ 294.551239] ? trace_hardirqs_on+0x310/0x310 [ 294.555659] ? schedule+0x108/0x460 [ 294.559299] ? __schedule+0x1ed0/0x1ed0 [ 294.563279] ? trace_hardirqs_off+0xb8/0x300 [ 294.567711] ? ___might_sleep+0x1ed/0x300 [ 294.571863] ? smpboot_thread_fn+0x68b/0xa00 [ 294.576273] ? trace_hardirqs_on+0x310/0x310 [ 294.580682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.586221] ? check_preemption_disabled+0x48/0x200 [ 294.591238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.596782] ? takeover_tasklets+0xa90/0xa90 [ 294.601209] run_ksoftirqd+0x94/0x100 [ 294.605029] smpboot_thread_fn+0x68b/0xa00 [ 294.609268] ? sort_range+0x30/0x30 [ 294.612898] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.618004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.623541] ? __kthread_parkme+0xfb/0x1a0 [ 294.627781] kthread+0x35a/0x420 [ 294.631153] ? sort_range+0x30/0x30 [ 294.634783] ? kthread_bind+0x40/0x40 [ 294.638593] ret_from_fork+0x3a/0x50 [ 294.642332] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 294.642411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.649616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.649625] Call Trace: [ 294.656208] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.665448] [ 294.668018] ksoftirqd/1 cpuset= [ 294.678323] dump_stack+0x1c4/0x2b4 [ 294.680447] / [ 294.683720] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.687321] mems_allowed=0 [ 294.689069] warn_alloc.cold.118+0xb7/0x1bd [ 294.701462] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.706311] ? lock_downgrade+0x900/0x900 [ 294.710499] ? trace_hardirqs_off+0xb8/0x300 [ 294.714918] ? trace_hardirqs_off+0xb8/0x300 [ 294.719335] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.724209] ? warn_alloc+0x120/0x120 [ 294.728017] ? trace_hardirqs_on+0x310/0x310 [ 294.732435] ? warn_alloc+0x120/0x120 [ 294.736239] ? print_usage_bug+0xc0/0xc0 [ 294.740301] ? warn_alloc+0x120/0x120 [ 294.744100] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 294.749121] ? print_usage_bug+0xc0/0xc0 [ 294.753189] ? __lock_acquire+0x7ec/0x4ec0 [ 294.757425] ? __lock_acquire+0x7ec/0x4ec0 [ 294.761669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.767210] ? should_fail+0x22d/0xd01 [ 294.771110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.776212] ? __lock_acquire+0x7ec/0x4ec0 [ 294.780456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.785554] ? __lock_acquire+0x7ec/0x4ec0 [ 294.789792] ? should_fail+0x22d/0xd01 [ 294.793680] ? print_usage_bug+0xc0/0xc0 [ 294.797750] ? mark_held_locks+0x130/0x130 [ 294.801991] ? mark_held_locks+0x130/0x130 [ 294.806238] ? graph_lock+0x170/0x170 [ 294.810040] ? print_usage_bug+0xc0/0xc0 [ 294.814109] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.818868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.824410] ? check_preemption_disabled+0x48/0x200 [ 294.829425] ? check_preemption_disabled+0x48/0x200 [ 294.834453] ? __lock_is_held+0xb5/0x140 [ 294.838524] __alloc_pages_nodemask+0xa80/0xde0 [ 294.843192] ? graph_lock+0x170/0x170 [ 294.846998] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.852012] ? graph_lock+0x170/0x170 [ 294.855828] ? find_held_lock+0x36/0x1c0 [ 294.859903] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.864573] ? lock_downgrade+0x900/0x900 [ 294.868741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.874286] cache_grow_begin+0x91/0x8c0 [ 294.878347] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.882769] fallback_alloc+0x203/0x2e0 [ 294.886772] ____cache_alloc_node+0x1c7/0x1e0 [ 294.891276] kmem_cache_alloc_node+0xe3/0x730 [ 294.895777] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.900023] __alloc_skb+0x119/0x770 [ 294.903743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.909030] ? skb_scrub_packet+0x490/0x490 [ 294.913357] ? lock_downgrade+0x900/0x900 [ 294.917513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.923055] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.928513] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.933968] ? addrconf_rs_timer+0x6f0/0x6f0 [ 294.938390] ndisc_alloc_skb+0x144/0x340 [ 294.942475] ndisc_send_rs+0x331/0x6e0 [ 294.946369] addrconf_rs_timer+0x3c0/0x6f0 [ 294.950618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.954872] call_timer_fn+0x272/0x920 [ 294.958760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.962994] ? process_timeout+0x40/0x40 [ 294.967058] ? find_held_lock+0x36/0x1c0 [ 294.971130] ? __run_timers+0x7da/0xc70 [ 294.975110] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.979665] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.984163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.988403] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.992991] ? trace_hardirqs_on+0xbd/0x310 [ 294.997309] ? kasan_check_read+0x11/0x20 [ 295.001456] ? __run_timers+0x7da/0xc70 [ 295.005431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.010894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.015135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.019369] __run_timers+0x7e5/0xc70 [ 295.023187] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.028556] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.033590] ? graph_lock+0x170/0x170 [ 295.037398] ? enqueue_hrtimer+0x1a5/0x560 [ 295.041630] ? lock_release+0x970/0x970 [ 295.045612] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.050815] ? find_held_lock+0x36/0x1c0 [ 295.054881] ? graph_lock+0x170/0x170 [ 295.058683] ? pvclock_read_flags+0x160/0x160 [ 295.063178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.068714] ? check_preemption_disabled+0x48/0x200 [ 295.073742] ? __lock_is_held+0xb5/0x140 [ 295.077802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.083340] ? check_preemption_disabled+0x48/0x200 [ 295.088363] run_timer_softirq+0x52/0xb0 [ 295.092422] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.097439] __do_softirq+0x30b/0xad8 [ 295.101251] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.106358] ? pvclock_read_flags+0x160/0x160 [ 295.110852] ? lapic_next_event+0x5a/0x90 [ 295.115002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.120543] ? check_preemption_disabled+0x48/0x200 [ 295.125555] ? check_preemption_disabled+0x48/0x200 [ 295.130595] ? kvm_clock_read+0x18/0x30 [ 295.134616] ? kvm_sched_clock_read+0x9/0x20 [ 295.139033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.144572] ? check_preemption_disabled+0x48/0x200 [ 295.149622] irq_exit+0x17f/0x1c0 [ 295.153081] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.157922] ? smp_reschedule_interrupt+0x109/0x650 [ 295.162939] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.168828] ? interrupt_entry+0xb5/0xf0 [ 295.172891] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.177907] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.182926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.187770] ? trace_hardirqs_off+0x300/0x300 [ 295.192266] ? trace_hardirqs_off+0x300/0x300 [ 295.196765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.202301] ? check_preemption_disabled+0x48/0x200 [ 295.207316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.212861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.217715] apic_timer_interrupt+0xf/0x20 [ 295.221943] [ 295.224204] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 295.229137] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 295.248054] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 295.255761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 295.263027] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 295.270292] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 295.277566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 295.284838] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 295.292163] skb_clone+0x1bb/0x500 [ 295.295708] ? finish_task_switch+0x1b5/0x900 [ 295.300266] ? skb_split+0x11e0/0x11e0 [ 295.304159] ? preempt_notifier_register+0x200/0x200 [ 295.309262] ? __switch_to_asm+0x34/0x70 [ 295.313320] ? __switch_to_asm+0x34/0x70 [ 295.317381] ? __switch_to_asm+0x40/0x70 [ 295.321439] ? __switch_to_asm+0x34/0x70 [ 295.325500] ? __switch_to_asm+0x40/0x70 [ 295.329558] ? __switch_to_asm+0x34/0x70 [ 295.333625] ? __switch_to_asm+0x40/0x70 [ 295.337687] ? __switch_to_asm+0x34/0x70 [ 295.342208] ? __switch_to_asm+0x34/0x70 [ 295.346271] ? __switch_to_asm+0x40/0x70 [ 295.350329] ? __switch_to_asm+0x34/0x70 [ 295.354399] bpf_clone_redirect+0xb9/0x490 [ 295.358647] ? __schedule+0x874/0x1ed0 [ 295.362543] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 295.367561] ? __sched_text_start+0x8/0x8 [ 295.371717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.376485] ? find_held_lock+0x36/0x1c0 [ 295.380556] ? lock_acquire+0x1ed/0x520 [ 295.384539] ? bpf_test_run+0x32e/0x5a0 [ 295.388607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.394150] ? check_preemption_disabled+0x48/0x200 [ 295.399175] ? kasan_check_read+0x11/0x20 [ 295.403328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.408611] ? rcu_bh_qs+0xc0/0xc0 [ 295.412157] ? preempt_schedule+0x4d/0x60 [ 295.416310] ? ___preempt_schedule+0x16/0x18 [ 295.420727] ? bpf_test_run+0x1c0/0x5a0 [ 295.424712] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.429125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.434668] ? bpf_test_init.isra.9+0x70/0x100 [ 295.439269] ? bpf_prog_test_run_skb+0x634/0xb40 [ 295.444034] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.448893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.454426] ? fput+0x130/0x1a0 [ 295.457707] ? __bpf_prog_get+0x9b/0x290 [ 295.461776] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.466628] ? bpf_prog_test_run+0x130/0x1a0 [ 295.471046] ? __x64_sys_bpf+0x3d8/0x510 [ 295.475108] ? bpf_prog_get+0x20/0x20 [ 295.478917] ? ksys_ioctl+0x81/0xd0 [ 295.482558] ? do_syscall_64+0x1b9/0x820 [ 295.486655] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.492026] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.496961] ? trace_hardirqs_off+0x300/0x300 [ 295.501462] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.506478] ? recalc_sigpending_tsk+0x180/0x180 [ 295.511239] ? kasan_check_write+0x14/0x20 [ 295.515487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.520343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.525729] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 295.525735] warn_alloc_show_mem: 1 callbacks suppressed [ 295.525742] Mem-Info: [ 295.532587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.537955] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 295.537955] active_file:14 inactive_file:18 isolated_file:1 [ 295.537955] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.537955] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 295.537955] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 295.537955] free:13768 free_pcp:583 free_cma:0 [ 295.540329] Call Trace: [ 295.549717] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.582589] dump_stack+0x1c4/0x2b4 [ 295.585144] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 295.613185] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.616785] lowmem_reserve[]: [ 295.642916] warn_alloc.cold.118+0xb7/0x1bd [ 295.648071] 0 [ 295.651186] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.655475] 2815 6318 [ 295.657283] ? lock_downgrade+0x900/0x900 [ 295.662095] 6318 [ 295.664608] ? trace_hardirqs_off+0xb8/0x300 [ 295.668725] Node 0 [ 295.670783] ? trace_hardirqs_off+0xb8/0x300 [ 295.675193] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 295.677410] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.681776] lowmem_reserve[]: 0 [ 295.708709] ? warn_alloc+0x120/0x120 [ 295.713500] 0 [ 295.716788] ? warn_alloc+0x120/0x120 [ 295.720557] 3503 3503 [ 295.722376] ? print_usage_bug+0xc0/0xc0 [ 295.728643] ? warn_alloc+0x120/0x120 [ 295.732685] Node 0 [ 295.736477] ? print_usage_bug+0xc0/0xc0 [ 295.736509] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 295.736516] lowmem_reserve[]: [ 295.738747] ? __lock_acquire+0x7ec/0x4ec0 [ 295.742785] 0 [ 295.771250] ? __lock_acquire+0x7ec/0x4ec0 [ 295.774326] 0 [ 295.778560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.780328] 0 0 [ 295.784568] ? should_fail+0x22d/0xd01 [ 295.786349] Node 0 [ 295.791878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.793822] DMA: 1*4kB [ 295.797713] ? __lock_acquire+0x7ec/0x4ec0 [ 295.799922] (U) [ 295.805019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.807572] 0*8kB 0*16kB [ 295.811813] ? __lock_acquire+0x7ec/0x4ec0 [ 295.813765] 1*32kB [ 295.818860] ? should_fail+0x22d/0xd01 [ 295.821597] (U) [ 295.825828] ? print_usage_bug+0xc0/0xc0 [ 295.828042] 2*64kB [ 295.831930] ? mark_held_locks+0x130/0x130 [ 295.833874] (U) [ 295.837930] ? mark_held_locks+0x130/0x130 [ 295.840140] 1*128kB (U) [ 295.844383] ? graph_lock+0x170/0x170 [ 295.846323] 1*256kB (U) [ 295.850560] ? print_usage_bug+0xc0/0xc0 [ 295.853208] 0*512kB [ 295.857007] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.859652] 1*1024kB [ 295.863705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.866000] (U) [ 295.870748] ? check_preemption_disabled+0x48/0x200 [ 295.873134] 1*2048kB [ 295.878664] ? check_preemption_disabled+0x48/0x200 [ 295.880620] (M) [ 295.885635] ? __lock_is_held+0xb5/0x140 [ 295.888019] 3*4096kB [ 295.893029] __alloc_pages_nodemask+0xa80/0xde0 [ 295.894974] (M) [ 295.899028] ? graph_lock+0x170/0x170 [ 295.901414] = 15908kB [ 295.906074] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.908026] Node 0 [ 295.911816] ? graph_lock+0x170/0x170 [ 295.911841] ? find_held_lock+0x36/0x1c0 [ 295.914212] DMA32: 4*4kB [ 295.919236] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.921441] (UM) [ 295.925231] ? lock_downgrade+0x900/0x900 [ 295.929263] 2*8kB (M) [ 295.932027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.936668] 1*16kB [ 295.938782] cache_grow_begin+0x91/0x8c0 [ 295.942903] (M) [ 295.945400] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.950911] 1*32kB [ 295.953149] fallback_alloc+0x203/0x2e0 [ 295.957175] (M) [ 295.959156] ____cache_alloc_node+0x1c7/0x1e0 [ 295.963534] 3*64kB [ 295.965766] kmem_cache_alloc_node+0xe3/0x730 [ 295.969706] (UM) 3*128kB [ 295.971686] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.976153] (M) [ 295.978397] __alloc_skb+0x119/0x770 [ 295.982862] 2*256kB [ 295.985619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.989824] (M) [ 295.991796] ? skb_scrub_packet+0x490/0x490 [ 295.995481] 3*512kB [ 295.997799] ? lock_downgrade+0x900/0x900 [ 296.003059] (M) [ 296.005036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.009322] 4*1024kB (UM) [ 296.011649] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.015768] 3*2048kB (M) [ 296.017746] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.023252] 3*4096kB (M) [ 296.026103] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.031523] = 25232kB [ 296.034284] ndisc_alloc_skb+0x144/0x340 [ 296.039696] Node 0 [ 296.042450] ndisc_send_rs+0x331/0x6e0 [ 296.046829] Normal: [ 296.049240] addrconf_rs_timer+0x3c0/0x6f0 [ 296.053271] 1065*4kB [ 296.055503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.059365] (MEH) [ 296.061695] call_timer_fn+0x272/0x920 [ 296.065894] 487*8kB [ 296.068295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.072501] (ME) [ 296.074645] ? process_timeout+0x40/0x40 [ 296.078525] 153*16kB [ 296.080843] ? find_held_lock+0x36/0x1c0 [ 296.085051] (MEH) [ 296.087113] ? __run_timers+0x7da/0xc70 [ 296.091149] 77*32kB [ 296.093552] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.097590] (UM) [ 296.099738] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.103689] 0*64kB [ 296.106006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.110475] 1*128kB [ 296.112537] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.117008] (H) [ 296.119241] ? trace_hardirqs_on+0xbd/0x310 [ 296.123535] 1*256kB [ 296.125852] ? kasan_check_read+0x11/0x20 [ 296.130406] (U) [ 296.132380] ? __run_timers+0x7da/0xc70 [ 296.136679] 1*512kB [ 296.138997] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.143109] (U) 0*1024kB [ 296.145093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.149036] 0*2048kB 0*4096kB [ 296.151363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.156786] = 13964kB [ 296.159542] __run_timers+0x7e5/0xc70 [ 296.163758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.166948] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.171157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.173553] ? compat_start_thread+0x80/0x80 [ 296.177329] 412 total pagecache pages [ 296.186163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.191504] 0 pages in swap cache [ 296.200068] ? kasan_check_write+0x14/0x20 [ 296.204454] Swap cache stats: add 0, delete 0, find 0/0 [ 296.208279] ? finish_task_switch+0x2f5/0x900 [ 296.213794] Free swap = 0kB [ 296.217239] ? __switch_to_asm+0x40/0x70 [ 296.221448] Total swap = 0kB [ 296.226807] ? preempt_notifier_register+0x200/0x200 [ 296.231275] 1965979 pages RAM [ 296.234286] ? __switch_to_asm+0x34/0x70 [ 296.238321] 0 pages HighMem/MovableOnly [ 296.238330] 343323 pages reserved [ 296.241342] ? __switch_to_asm+0x40/0x70 [ 296.241358] ? __switch_to_asm+0x34/0x70 [ 296.246438] 0 pages cma reserved [ 296.249535] ? __switch_to_asm+0x40/0x70 [ 296.253653] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.257540] ? __switch_to_asm+0x34/0x70 [ 296.257556] ? __switch_to_asm+0x40/0x70 [ 296.261070] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.265071] ? pvclock_read_flags+0x160/0x160 [ 296.269104] syz-executor0 cpuset= [ 296.272474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.276509] syz0 [ 296.282996] ? check_preemption_disabled+0x48/0x200 [ 296.287037] mems_allowed=0 [ 296.291095] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 296.330402] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.335686] ? rcu_pm_notify+0xc0/0xc0 [ 296.339604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.345148] ? check_preemption_disabled+0x48/0x200 [ 296.350177] run_timer_softirq+0x52/0xb0 [ 296.354241] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.359262] __do_softirq+0x30b/0xad8 [ 296.363078] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.368180] ? trace_hardirqs_off_caller+0x300/0x300 [ 296.373281] ? trace_hardirqs_on+0x310/0x310 [ 296.377699] ? schedule+0x108/0x460 [ 296.381339] ? __schedule+0x1ed0/0x1ed0 [ 296.385318] ? trace_hardirqs_off+0xb8/0x300 [ 296.389731] ? ___might_sleep+0x1ed/0x300 [ 296.393883] ? smpboot_thread_fn+0x68b/0xa00 [ 296.398292] ? trace_hardirqs_on+0x310/0x310 [ 296.402704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.408327] ? check_preemption_disabled+0x48/0x200 [ 296.413345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.418989] ? takeover_tasklets+0xa90/0xa90 [ 296.423405] run_ksoftirqd+0x94/0x100 [ 296.427211] smpboot_thread_fn+0x68b/0xa00 [ 296.431453] ? sort_range+0x30/0x30 [ 296.435081] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.440185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.445723] ? __kthread_parkme+0xfb/0x1a0 [ 296.449966] kthread+0x35a/0x420 [ 296.453341] ? sort_range+0x30/0x30 [ 296.456973] ? kthread_bind+0x40/0x40 [ 296.460786] ret_from_fork+0x3a/0x50 [ 296.464522] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 296.464631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.471985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.471994] Call Trace: [ 296.478591] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.487820] [ 296.490390] ksoftirqd/1 cpuset= [ 296.500699] dump_stack+0x1c4/0x2b4 [ 296.502825] / [ 296.506096] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.509702] mems_allowed=0 [ 296.511417] warn_alloc.cold.118+0xb7/0x1bd [ 296.523812] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.528664] ? lock_downgrade+0x900/0x900 [ 296.532822] ? trace_hardirqs_off+0xb8/0x300 [ 296.537237] ? trace_hardirqs_off+0xb8/0x300 [ 296.541661] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.546538] ? warn_alloc+0x120/0x120 [ 296.550348] ? warn_alloc+0x120/0x120 [ 296.554162] ? print_usage_bug+0xc0/0xc0 [ 296.558225] ? warn_alloc+0x120/0x120 [ 296.562024] ? print_usage_bug+0xc0/0xc0 [ 296.566090] ? __lock_acquire+0x7ec/0x4ec0 [ 296.570326] ? __lock_acquire+0x7ec/0x4ec0 [ 296.574563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.580113] ? should_fail+0x22d/0xd01 [ 296.584005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.589108] ? __lock_acquire+0x7ec/0x4ec0 [ 296.593353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.598458] ? __lock_acquire+0x7ec/0x4ec0 [ 296.602691] ? should_fail+0x22d/0xd01 [ 296.606603] ? mark_held_locks+0x130/0x130 [ 296.610857] ? mark_held_locks+0x130/0x130 [ 296.615105] ? graph_lock+0x170/0x170 [ 296.618905] ? graph_lock+0x170/0x170 [ 296.622708] ? graph_lock+0x170/0x170 [ 296.626507] ? print_usage_bug+0xc0/0xc0 [ 296.630572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.636121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.641666] ? check_preemption_disabled+0x48/0x200 [ 296.646682] ? check_preemption_disabled+0x48/0x200 [ 296.651709] ? __lock_is_held+0xb5/0x140 [ 296.655781] __alloc_pages_nodemask+0xa80/0xde0 [ 296.660449] ? graph_lock+0x170/0x170 [ 296.664259] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.669272] ? graph_lock+0x170/0x170 [ 296.673083] ? find_held_lock+0x36/0x1c0 [ 296.677155] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.681828] ? lock_downgrade+0x900/0x900 [ 296.685987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.691534] cache_grow_begin+0x91/0x8c0 [ 296.695604] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.700024] fallback_alloc+0x203/0x2e0 [ 296.704010] ____cache_alloc_node+0x1c7/0x1e0 [ 296.708510] kmem_cache_alloc_node+0xe3/0x730 [ 296.713007] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.717253] __alloc_skb+0x119/0x770 [ 296.720972] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.726251] ? skb_scrub_packet+0x490/0x490 [ 296.730572] ? lock_downgrade+0x900/0x900 [ 296.734740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.740280] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.745735] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.751186] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.755635] ndisc_alloc_skb+0x144/0x340 [ 296.759708] ndisc_send_rs+0x331/0x6e0 [ 296.763608] addrconf_rs_timer+0x3c0/0x6f0 [ 296.767854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.772107] call_timer_fn+0x272/0x920 [ 296.775998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.780242] ? process_timeout+0x40/0x40 [ 296.784305] ? find_held_lock+0x36/0x1c0 [ 296.788381] ? __run_timers+0x7da/0xc70 [ 296.792359] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.796851] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.801348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.805591] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.810176] ? trace_hardirqs_on+0xbd/0x310 [ 296.814494] ? kasan_check_read+0x11/0x20 [ 296.818648] ? __run_timers+0x7da/0xc70 [ 296.822627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.828091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.832333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.836573] __run_timers+0x7e5/0xc70 [ 296.840397] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.845763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.850779] ? graph_lock+0x170/0x170 [ 296.854592] ? enqueue_hrtimer+0x1a5/0x560 [ 296.858830] ? lock_release+0x970/0x970 [ 296.862804] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.868005] ? find_held_lock+0x36/0x1c0 [ 296.872069] ? graph_lock+0x170/0x170 [ 296.875871] ? pvclock_read_flags+0x160/0x160 [ 296.880368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.885905] ? check_preemption_disabled+0x48/0x200 [ 296.890930] ? __lock_is_held+0xb5/0x140 [ 296.894995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.900528] ? check_preemption_disabled+0x48/0x200 [ 296.905550] run_timer_softirq+0x52/0xb0 [ 296.909618] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.914653] __do_softirq+0x30b/0xad8 [ 296.918467] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.923578] ? pvclock_read_flags+0x160/0x160 [ 296.928080] ? lapic_next_event+0x5a/0x90 [ 296.932234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.937771] ? check_preemption_disabled+0x48/0x200 [ 296.942785] ? check_preemption_disabled+0x48/0x200 [ 296.947854] ? kvm_clock_read+0x18/0x30 [ 296.951831] ? kvm_sched_clock_read+0x9/0x20 [ 296.956241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.961790] ? check_preemption_disabled+0x48/0x200 [ 296.966826] irq_exit+0x17f/0x1c0 [ 296.970286] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.975132] ? smp_reschedule_interrupt+0x109/0x650 [ 296.980156] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.986039] ? interrupt_entry+0xb5/0xf0 [ 296.990105] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.995121] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.000139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.004988] ? trace_hardirqs_off+0x300/0x300 [ 297.009483] ? trace_hardirqs_off+0x300/0x300 [ 297.013983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.019523] ? check_preemption_disabled+0x48/0x200 [ 297.024542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.030093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.034948] apic_timer_interrupt+0xf/0x20 [ 297.039175] [ 297.041418] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 297.046349] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 297.065268] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 297.072978] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 297.080245] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 297.087531] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 297.094798] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 297.102066] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 297.109379] skb_clone+0x1bb/0x500 [ 297.112919] ? finish_task_switch+0x1b5/0x900 [ 297.117419] ? skb_split+0x11e0/0x11e0 [ 297.121310] ? preempt_notifier_register+0x200/0x200 [ 297.126417] ? __switch_to_asm+0x34/0x70 [ 297.130477] ? __switch_to_asm+0x34/0x70 [ 297.134541] ? __switch_to_asm+0x40/0x70 [ 297.138607] ? __switch_to_asm+0x34/0x70 [ 297.142674] ? __switch_to_asm+0x40/0x70 [ 297.146734] ? __switch_to_asm+0x34/0x70 [ 297.150793] ? __switch_to_asm+0x40/0x70 [ 297.154854] ? __switch_to_asm+0x34/0x70 [ 297.158920] ? __switch_to_asm+0x34/0x70 [ 297.162985] ? __switch_to_asm+0x40/0x70 [ 297.167047] ? __switch_to_asm+0x34/0x70 [ 297.171121] bpf_clone_redirect+0xb9/0x490 [ 297.175365] ? __schedule+0x874/0x1ed0 [ 297.179262] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 297.184283] ? __sched_text_start+0x8/0x8 [ 297.188437] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.193210] ? find_held_lock+0x36/0x1c0 [ 297.197282] ? lock_acquire+0x1ed/0x520 [ 297.201258] ? bpf_test_run+0x32e/0x5a0 [ 297.205233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.210769] ? check_preemption_disabled+0x48/0x200 [ 297.215787] ? kasan_check_read+0x11/0x20 [ 297.219942] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.225224] ? rcu_bh_qs+0xc0/0xc0 [ 297.228769] ? preempt_schedule+0x4d/0x60 [ 297.232920] ? ___preempt_schedule+0x16/0x18 [ 297.237341] ? bpf_test_run+0x1c0/0x5a0 [ 297.241330] ? netlink_diag_dump+0x2a0/0x2a0 [ 297.245742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.251279] ? bpf_test_init.isra.9+0x70/0x100 [ 297.255868] ? bpf_prog_test_run_skb+0x634/0xb40 [ 297.260633] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.265482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.271043] ? fput+0x130/0x1a0 [ 297.274328] ? __bpf_prog_get+0x9b/0x290 [ 297.278393] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 297.283237] ? bpf_prog_test_run+0x130/0x1a0 [ 297.287658] ? __x64_sys_bpf+0x3d8/0x510 [ 297.291718] ? bpf_prog_get+0x20/0x20 [ 297.295526] ? ksys_ioctl+0x81/0xd0 [ 297.299167] ? do_syscall_64+0x1b9/0x820 [ 297.303238] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.308612] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.313547] ? trace_hardirqs_off+0x300/0x300 [ 297.318042] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.323056] ? recalc_sigpending_tsk+0x180/0x180 [ 297.327811] ? kasan_check_write+0x14/0x20 [ 297.332057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.336908] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.343098] warn_alloc_show_mem: 1 callbacks suppressed [ 297.343110] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 297.343112] Mem-Info: [ 297.343145] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 297.343145] active_file:14 inactive_file:18 isolated_file:1 [ 297.343145] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.343145] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 297.343145] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 297.343145] free:13768 free_pcp:583 free_cma:0 [ 297.348476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.348484] Call Trace: [ 297.355513] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.357924] dump_stack+0x1c4/0x2b4 [ 297.390791] Node 0 [ 297.400160] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.402732] 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 [ 297.430393] warn_alloc.cold.118+0xb7/0x1bd [ 297.434631] lowmem_reserve[]: [ 297.436866] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.442029] 0 [ 297.467537] ? lock_downgrade+0x900/0x900 [ 297.471838] 2815 [ 297.474956] ? trace_hardirqs_off+0xb8/0x300 [ 297.479765] 6318 [ 297.481569] ? trace_hardirqs_off+0xb8/0x300 [ 297.485684] 6318 [ 297.487757] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.492134] Node 0 [ 297.494217] ? warn_alloc+0x120/0x120 [ 297.498608] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 297.500639] ? warn_alloc+0x120/0x120 [ 297.505456] lowmem_reserve[]: 0 [ 297.507704] ? print_usage_bug+0xc0/0xc0 [ 297.511476] 0 [ 297.538379] ? warn_alloc+0x120/0x120 [ 297.542154] 3503 [ 297.545431] ? print_usage_bug+0xc0/0xc0 [ 297.549466] 3503 [ 297.551264] ? __lock_acquire+0x7ec/0x4ec0 [ 297.555047] Node 0 [ 297.557152] ? __lock_acquire+0x7ec/0x4ec0 [ 297.561206] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 297.563242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.567447] lowmem_reserve[]: [ 297.569683] ? should_fail+0x22d/0xd01 [ 297.573885] 0 0 [ 297.602375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.607885] 0 [ 297.610989] ? __lock_acquire+0x7ec/0x4ec0 [ 297.614848] 0 [ 297.616823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.623695] ? __lock_acquire+0x7ec/0x4ec0 [ 297.627902] Node 0 [ 297.629699] ? should_fail+0x22d/0xd01 [ 297.634776] DMA: [ 297.639008] ? print_usage_bug+0xc0/0xc0 [ 297.641223] 1*4kB [ 297.645111] ? mark_held_locks+0x130/0x130 [ 297.647148] (U) [ 297.651203] ? mark_held_locks+0x130/0x130 [ 297.653328] 0*8kB [ 297.657557] ? graph_lock+0x170/0x170 [ 297.659502] 0*16kB 1*32kB [ 297.663743] ? print_usage_bug+0xc0/0xc0 [ 297.665865] (U) [ 297.669666] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.672488] 2*64kB [ 297.676544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.678495] (U) [ 297.683247] ? check_preemption_disabled+0x48/0x200 [ 297.685462] 1*128kB [ 297.690990] ? check_preemption_disabled+0x48/0x200 [ 297.692942] (U) [ 297.697961] ? __lock_is_held+0xb5/0x140 [ 297.700419] 1*256kB (U) [ 297.705438] __alloc_pages_nodemask+0xa80/0xde0 [ 297.707386] 0*512kB [ 297.711437] ? graph_lock+0x170/0x170 [ 297.714078] 1*1024kB (U) [ 297.718749] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.721045] 1*2048kB [ 297.724838] ? graph_lock+0x170/0x170 [ 297.727573] (M) [ 297.732608] ? find_held_lock+0x36/0x1c0 [ 297.734980] 3*4096kB (M) [ 297.738788] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.740733] = 15908kB [ 297.744785] ? lock_downgrade+0x900/0x900 [ 297.747518] Node 0 [ 297.752202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.754593] DMA32: [ 297.758738] cache_grow_begin+0x91/0x8c0 [ 297.760952] 4*4kB [ 297.766486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.768699] (UM) [ 297.772758] fallback_alloc+0x203/0x2e0 [ 297.774881] 2*8kB [ 297.779284] ____cache_alloc_node+0x1c7/0x1e0 [ 297.781321] (M) [ 297.785291] kmem_cache_alloc_node+0xe3/0x730 [ 297.787409] 1*16kB (M) [ 297.791910] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.793852] 1*32kB (M) [ 297.798359] __alloc_skb+0x119/0x770 [ 297.800908] 3*64kB (UM) [ 297.805152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.807699] 3*128kB (M) [ 297.811415] ? skb_scrub_packet+0x490/0x490 [ 297.814229] 2*256kB (M) [ 297.819508] ? lock_downgrade+0x900/0x900 [ 297.822155] 3*512kB [ 297.826477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.829116] (M) [ 297.833263] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.835556] 4*1024kB (UM) [ 297.841099] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.843052] 3*2048kB [ 297.848499] ? addrconf_rs_timer+0x6f0/0x6f0 [ 297.851314] (M) [ 297.856775] ndisc_alloc_skb+0x144/0x340 [ 297.859146] 3*4096kB (M) [ 297.863566] ndisc_send_rs+0x331/0x6e0 [ 297.865513] = 25232kB [ 297.869569] addrconf_rs_timer+0x3c0/0x6f0 [ 297.872300] Node 0 [ 297.876180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.878558] Normal: 1065*4kB [ 297.882814] call_timer_fn+0x272/0x920 [ 297.885016] (MEH) [ 297.889244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.892321] 487*8kB [ 297.896205] ? process_timeout+0x40/0x40 [ 297.898324] (ME) 153*16kB [ 297.902555] ? find_held_lock+0x36/0x1c0 [ 297.902579] ? __run_timers+0x7da/0xc70 [ 297.904878] (MEH) [ 297.908938] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.911752] 77*32kB (UM) [ 297.915813] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.919761] 0*64kB 1*128kB [ 297.921919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.926389] (H) [ 297.929151] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.933609] 1*256kB (U) [ 297.936544] ? trace_hardirqs_on+0xbd/0x310 [ 297.940754] 1*512kB [ 297.942724] ? kasan_check_read+0x11/0x20 [ 297.947273] (U) 0*1024kB [ 297.949949] ? __run_timers+0x7da/0xc70 [ 297.954237] 0*2048kB 0*4096kB [ 297.956564] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.960683] = 13964kB [ 297.963437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.967387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.970570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.976005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.978410] __run_timers+0x7e5/0xc70 [ 297.982616] 412 total pagecache pages [ 297.991456] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.995666] 0 pages in swap cache [ 298.004224] ? compat_start_thread+0x80/0x80 [ 298.004244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.008023] Swap cache stats: add 0, delete 0, find 0/0 [ 298.011816] ? kasan_check_write+0x14/0x20 [ 298.017154] Free swap = 0kB [ 298.020609] ? finish_task_switch+0x2f5/0x900 [ 298.024985] Total swap = 0kB [ 298.024994] 1965979 pages RAM [ 298.030525] ? __switch_to_asm+0x40/0x70 [ 298.035860] 0 pages HighMem/MovableOnly [ 298.040091] ? preempt_notifier_register+0x200/0x200 [ 298.043075] 343323 pages reserved [ 298.043084] 0 pages cma reserved [ 298.047572] ? __switch_to_asm+0x34/0x70 [ 298.050655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.053669] ? __switch_to_asm+0x40/0x70 [ 298.053681] ? __switch_to_asm+0x34/0x70 [ 298.053693] ? __switch_to_asm+0x40/0x70 [ 298.053708] ? __switch_to_asm+0x34/0x70 [ 298.057809] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.061713] ? __switch_to_asm+0x40/0x70 [ 298.066793] syz-executor0 cpuset= [ 298.070244] ? pvclock_read_flags+0x160/0x160 [ 298.073579] syz0 [ 298.077640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.084124] mems_allowed=0 [ 298.088189] ? check_preemption_disabled+0x48/0x200 [ 298.138777] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 298.144317] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.149609] ? rcu_pm_notify+0xc0/0xc0 [ 298.153507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.159053] ? check_preemption_disabled+0x48/0x200 [ 298.164085] run_timer_softirq+0x52/0xb0 [ 298.168159] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.173203] __do_softirq+0x30b/0xad8 [ 298.177028] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.182145] ? trace_hardirqs_off_caller+0x300/0x300 [ 298.187260] ? trace_hardirqs_on+0x310/0x310 [ 298.191684] ? schedule+0x108/0x460 [ 298.195320] ? __schedule+0x1ed0/0x1ed0 [ 298.199300] ? trace_hardirqs_off+0xb8/0x300 [ 298.203711] ? ___might_sleep+0x1ed/0x300 [ 298.207860] ? smpboot_thread_fn+0x68b/0xa00 [ 298.212270] ? trace_hardirqs_on+0x310/0x310 [ 298.216698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.222239] ? check_preemption_disabled+0x48/0x200 [ 298.227261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.232807] ? takeover_tasklets+0xa90/0xa90 [ 298.237225] run_ksoftirqd+0x94/0x100 [ 298.241116] smpboot_thread_fn+0x68b/0xa00 [ 298.245363] ? sort_range+0x30/0x30 [ 298.248998] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.254109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.259660] ? __kthread_parkme+0xfb/0x1a0 [ 298.263908] kthread+0x35a/0x420 [ 298.267276] ? sort_range+0x30/0x30 [ 298.270905] ? kthread_bind+0x40/0x40 [ 298.274711] ret_from_fork+0x3a/0x50 [ 298.278445] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 298.278525] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.285716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.285722] Call Trace: [ 298.285729] [ 298.285748] dump_stack+0x1c4/0x2b4 [ 298.285765] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.285792] warn_alloc.cold.118+0xb7/0x1bd [ 298.292361] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.301632] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.304193] ksoftirqd/1 cpuset= [ 298.306338] ? lock_downgrade+0x900/0x900 [ 298.309937] / [ 298.315131] ? trace_hardirqs_off+0xb8/0x300 [ 298.319430] mems_allowed=0 [ 298.329742] ? trace_hardirqs_off+0xb8/0x300 [ 298.355831] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.360722] ? warn_alloc+0x120/0x120 [ 298.364532] ? warn_alloc+0x120/0x120 [ 298.368348] ? print_usage_bug+0xc0/0xc0 [ 298.372423] ? warn_alloc+0x120/0x120 [ 298.376229] ? print_usage_bug+0xc0/0xc0 [ 298.380293] ? __lock_acquire+0x7ec/0x4ec0 [ 298.384527] ? __lock_acquire+0x7ec/0x4ec0 [ 298.388770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.394319] ? should_fail+0x22d/0xd01 [ 298.398238] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.403347] ? __lock_acquire+0x7ec/0x4ec0 [ 298.407599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.412709] ? __lock_acquire+0x7ec/0x4ec0 [ 298.416948] ? should_fail+0x22d/0xd01 [ 298.420861] ? mark_held_locks+0x130/0x130 [ 298.425109] ? mark_held_locks+0x130/0x130 [ 298.429380] ? graph_lock+0x170/0x170 [ 298.433183] ? graph_lock+0x170/0x170 [ 298.436988] ? graph_lock+0x170/0x170 [ 298.440876] ? print_usage_bug+0xc0/0xc0 [ 298.444939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.450479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.456017] ? check_preemption_disabled+0x48/0x200 [ 298.461036] ? check_preemption_disabled+0x48/0x200 [ 298.466065] ? __lock_is_held+0xb5/0x140 [ 298.470402] __alloc_pages_nodemask+0xa80/0xde0 [ 298.475162] ? graph_lock+0x170/0x170 [ 298.478971] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.483992] ? graph_lock+0x170/0x170 [ 298.487806] ? find_held_lock+0x36/0x1c0 [ 298.491880] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.496557] ? lock_downgrade+0x900/0x900 [ 298.500725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.506284] cache_grow_begin+0x91/0x8c0 [ 298.510354] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.514779] fallback_alloc+0x203/0x2e0 [ 298.518767] ____cache_alloc_node+0x1c7/0x1e0 [ 298.523270] kmem_cache_alloc_node+0xe3/0x730 [ 298.527773] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.532021] __alloc_skb+0x119/0x770 [ 298.535742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.541029] ? skb_scrub_packet+0x490/0x490 [ 298.545351] ? lock_downgrade+0x900/0x900 [ 298.549507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.555046] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.560502] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.565958] ? addrconf_rs_timer+0x6f0/0x6f0 [ 298.570395] ndisc_alloc_skb+0x144/0x340 [ 298.574466] ndisc_send_rs+0x331/0x6e0 [ 298.578365] addrconf_rs_timer+0x3c0/0x6f0 [ 298.582616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.586873] call_timer_fn+0x272/0x920 [ 298.590765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.595008] ? process_timeout+0x40/0x40 [ 298.599073] ? find_held_lock+0x36/0x1c0 [ 298.603152] ? __run_timers+0x7da/0xc70 [ 298.607136] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.611642] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.616146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.620398] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.624994] ? trace_hardirqs_on+0xbd/0x310 [ 298.629318] ? kasan_check_read+0x11/0x20 [ 298.633470] ? __run_timers+0x7da/0xc70 [ 298.637449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.642920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.647157] __run_timers+0x7e5/0xc70 [ 298.650974] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.656345] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.661363] ? graph_lock+0x170/0x170 [ 298.665171] ? enqueue_hrtimer+0x1a5/0x560 [ 298.669403] ? lock_release+0x970/0x970 [ 298.673382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.678579] ? find_held_lock+0x36/0x1c0 [ 298.682664] ? graph_lock+0x170/0x170 [ 298.686471] ? pvclock_read_flags+0x160/0x160 [ 298.690969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.696512] ? check_preemption_disabled+0x48/0x200 [ 298.701544] ? __lock_is_held+0xb5/0x140 [ 298.705617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.711161] ? check_preemption_disabled+0x48/0x200 [ 298.716193] run_timer_softirq+0x52/0xb0 [ 298.720255] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.725281] __do_softirq+0x30b/0xad8 [ 298.729094] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.734207] ? pvclock_read_flags+0x160/0x160 [ 298.738706] ? lapic_next_event+0x5a/0x90 [ 298.742860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.748398] ? check_preemption_disabled+0x48/0x200 [ 298.753411] ? check_preemption_disabled+0x48/0x200 [ 298.758437] ? kvm_clock_read+0x18/0x30 [ 298.762414] ? kvm_sched_clock_read+0x9/0x20 [ 298.766830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.772372] ? check_preemption_disabled+0x48/0x200 [ 298.777404] irq_exit+0x17f/0x1c0 [ 298.780863] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.785709] ? smp_reschedule_interrupt+0x109/0x650 [ 298.790730] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.796625] ? interrupt_entry+0xb5/0xf0 [ 298.800694] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.805710] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.810728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.815579] ? trace_hardirqs_off+0x300/0x300 [ 298.820097] ? trace_hardirqs_off+0x300/0x300 [ 298.824610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.830156] ? check_preemption_disabled+0x48/0x200 [ 298.835170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.840719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.845573] apic_timer_interrupt+0xf/0x20 [ 298.849813] [ 298.852054] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.856989] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 298.875898] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 298.883621] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.890897] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 298.898165] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 298.905435] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.912708] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.920028] skb_clone+0x1bb/0x500 [ 298.923572] ? finish_task_switch+0x1b5/0x900 [ 298.928079] ? skb_split+0x11e0/0x11e0 [ 298.931973] ? preempt_notifier_register+0x200/0x200 [ 298.937075] ? __switch_to_asm+0x34/0x70 [ 298.941135] ? __switch_to_asm+0x34/0x70 [ 298.945195] ? __switch_to_asm+0x40/0x70 [ 298.949256] ? __switch_to_asm+0x34/0x70 [ 298.953405] ? __switch_to_asm+0x40/0x70 [ 298.957466] ? __switch_to_asm+0x34/0x70 [ 298.961525] ? __switch_to_asm+0x40/0x70 [ 298.965592] ? __switch_to_asm+0x34/0x70 [ 298.969663] ? __switch_to_asm+0x34/0x70 [ 298.973722] ? __switch_to_asm+0x40/0x70 [ 298.977779] ? __switch_to_asm+0x34/0x70 [ 298.981849] bpf_clone_redirect+0xb9/0x490 [ 298.986089] ? __schedule+0x874/0x1ed0 [ 298.989993] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 298.995045] ? __sched_text_start+0x8/0x8 [ 298.999197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.003971] ? find_held_lock+0x36/0x1c0 [ 299.008043] ? lock_acquire+0x1ed/0x520 [ 299.012026] ? bpf_test_run+0x32e/0x5a0 [ 299.016009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.021550] ? check_preemption_disabled+0x48/0x200 [ 299.026589] ? kasan_check_read+0x11/0x20 [ 299.030742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.036035] ? rcu_bh_qs+0xc0/0xc0 [ 299.039593] ? preempt_schedule+0x4d/0x60 [ 299.043746] ? ___preempt_schedule+0x16/0x18 [ 299.048163] ? bpf_test_run+0x1c0/0x5a0 [ 299.052149] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.056567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.062112] ? bpf_test_init.isra.9+0x70/0x100 [ 299.066701] ? bpf_prog_test_run_skb+0x634/0xb40 [ 299.071466] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.076313] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.081853] ? fput+0x130/0x1a0 [ 299.085135] ? __bpf_prog_get+0x9b/0x290 [ 299.089204] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.094047] ? bpf_prog_test_run+0x130/0x1a0 [ 299.098461] ? __x64_sys_bpf+0x3d8/0x510 [ 299.102523] ? bpf_prog_get+0x20/0x20 [ 299.106335] ? ksys_ioctl+0x81/0xd0 [ 299.109975] ? do_syscall_64+0x1b9/0x820 [ 299.114036] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.119412] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.124345] ? trace_hardirqs_off+0x300/0x300 [ 299.128844] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.133878] ? recalc_sigpending_tsk+0x180/0x180 [ 299.138654] ? kasan_check_write+0x14/0x20 [ 299.142901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.147756] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.153135] warn_alloc_show_mem: 1 callbacks suppressed [ 299.153152] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 299.153154] Mem-Info: [ 299.153186] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 299.153186] active_file:14 inactive_file:18 isolated_file:1 [ 299.153186] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.153186] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 299.153186] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 299.153186] free:13768 free_pcp:583 free_cma:0 [ 299.158518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.158527] Call Trace: [ 299.165374] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.167780] dump_stack+0x1c4/0x2b4 [ 299.200648] Node 0 [ 299.210010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.212590] 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 [ 299.240263] warn_alloc.cold.118+0xb7/0x1bd [ 299.243858] lowmem_reserve[]: [ 299.246094] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.251257] 0 [ 299.276772] ? lock_downgrade+0x900/0x900 [ 299.281065] 2815 [ 299.284191] ? trace_hardirqs_off+0xb8/0x300 [ 299.289002] 6318 [ 299.290805] ? trace_hardirqs_off+0xb8/0x300 [ 299.294925] 6318 [ 299.296990] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.303449] ? warn_alloc+0x120/0x120 [ 299.307807] Node 0 [ 299.309869] ? warn_alloc+0x120/0x120 [ 299.314709] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 299.318482] ? print_usage_bug+0xc0/0xc0 [ 299.320693] lowmem_reserve[]: [ 299.324491] ? warn_alloc+0x120/0x120 [ 299.351779] 0 [ 299.355852] ? print_usage_bug+0xc0/0xc0 [ 299.358923] 0 [ 299.362717] ? __lock_acquire+0x7ec/0x4ec0 [ 299.364491] 3503 [ 299.368544] ? __lock_acquire+0x7ec/0x4ec0 [ 299.370314] 3503 [ 299.374553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.376596] Node 0 [ 299.380826] ? should_fail+0x22d/0xd01 [ 299.382889] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 299.388397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.390609] lowmem_reserve[]: [ 299.394492] ? __lock_acquire+0x7ec/0x4ec0 [ 299.422922] 0 0 [ 299.428046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.431114] 0 [ 299.435596] ? __lock_acquire+0x7ec/0x4ec0 [ 299.435613] ? should_fail+0x22d/0xd01 [ 299.437563] 0 [ 299.442681] ? print_usage_bug+0xc0/0xc0 [ 299.444461] Node 0 [ 299.448696] ? mark_held_locks+0x130/0x130 [ 299.452543] DMA: 1*4kB [ 299.454370] ? mark_held_locks+0x130/0x130 [ 299.458404] (U) [ 299.460640] ? graph_lock+0x170/0x170 [ 299.464845] 0*8kB 0*16kB [ 299.467432] ? print_usage_bug+0xc0/0xc0 [ 299.471646] 1*32kB [ 299.473791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.477561] (U) [ 299.480341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.484373] 2*64kB (U) [ 299.486621] ? check_preemption_disabled+0x48/0x200 [ 299.491373] 1*128kB [ 299.493341] ? check_preemption_disabled+0x48/0x200 [ 299.498853] (U) [ 299.501442] ? __lock_is_held+0xb5/0x140 [ 299.506426] 1*256kB [ 299.508751] __alloc_pages_nodemask+0xa80/0xde0 [ 299.513738] (U) [ 299.515715] ? graph_lock+0x170/0x170 [ 299.519749] 0*512kB [ 299.522072] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.526717] 1*1024kB [ 299.528691] ? graph_lock+0x170/0x170 [ 299.532466] (U) 1*2048kB [ 299.534816] ? find_held_lock+0x36/0x1c0 [ 299.539812] (M) [ 299.542238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.546002] 3*4096kB [ 299.548757] ? lock_downgrade+0x900/0x900 [ 299.552788] (M) [ 299.554765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.559400] = 15908kB [ 299.559409] Node 0 [ 299.561825] cache_grow_begin+0x91/0x8c0 [ 299.565942] DMA32: [ 299.567919] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.573430] 4*4kB [ 299.575845] fallback_alloc+0x203/0x2e0 [ 299.578047] (UM) [ 299.582107] ____cache_alloc_node+0x1c7/0x1e0 [ 299.584310] 2*8kB (M) [ 299.588730] kmem_cache_alloc_node+0xe3/0x730 [ 299.590853] 1*16kB [ 299.594821] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.596855] (M) [ 299.601355] __alloc_skb+0x119/0x770 [ 299.603824] 1*32kB [ 299.608319] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.610527] (M) [ 299.614761] ? skb_scrub_packet+0x490/0x490 [ 299.616702] 3*64kB (UM) [ 299.620420] ? lock_downgrade+0x900/0x900 [ 299.622630] 3*128kB [ 299.627901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.629848] (M) [ 299.634166] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.636809] 2*256kB [ 299.640952] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.643251] (M) [ 299.648786] ? addrconf_rs_timer+0x6f0/0x6f0 [ 299.650734] 3*512kB (M) [ 299.656197] ndisc_alloc_skb+0x144/0x340 [ 299.658493] 4*1024kB [ 299.663945] ndisc_send_rs+0x331/0x6e0 [ 299.665902] (UM) [ 299.670309] addrconf_rs_timer+0x3c0/0x6f0 [ 299.672960] 3*2048kB [ 299.677016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.679398] (M) [ 299.683294] call_timer_fn+0x272/0x920 [ 299.685321] 3*4096kB [ 299.689549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.691934] (M) [ 299.696177] ? process_timeout+0x40/0x40 [ 299.698124] = 25232kB [ 299.698132] Node 0 [ 299.702032] ? find_held_lock+0x36/0x1c0 [ 299.704418] Normal: [ 299.708654] ? __run_timers+0x7da/0xc70 [ 299.710612] 1065*4kB [ 299.714666] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.717053] (MEH) [ 299.719282] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.723322] 487*8kB [ 299.725641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.729591] (ME) 153*16kB [ 299.732010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.736486] (MEH) [ 299.738643] ? trace_hardirqs_on+0xbd/0x310 [ 299.743123] 77*32kB [ 299.745452] ? kasan_check_read+0x11/0x20 [ 299.749663] (UM) [ 299.752511] ? __run_timers+0x7da/0xc70 [ 299.757061] 0*64kB 1*128kB [ 299.759217] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.763499] (H) 1*256kB [ 299.765829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.769944] (U) [ 299.772003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.775943] 1*512kB (U) [ 299.778883] __run_timers+0x7e5/0xc70 [ 299.784301] 0*1024kB 0*2048kB [ 299.786986] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.791175] 0*4096kB = 13964kB [ 299.793156] ? compat_start_thread+0x80/0x80 [ 299.797367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.800028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.803806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.806985] ? kasan_check_write+0x14/0x20 [ 299.812349] 412 total pagecache pages [ 299.815538] ? finish_task_switch+0x2f5/0x900 [ 299.819926] 0 pages in swap cache [ 299.828778] ? __switch_to_asm+0x40/0x70 [ 299.834282] Swap cache stats: add 0, delete 0, find 0/0 [ 299.834291] Free swap = 0kB [ 299.842865] ? preempt_notifier_register+0x200/0x200 [ 299.847064] Total swap = 0kB [ 299.847072] 1965979 pages RAM [ 299.850867] ? __switch_to_asm+0x34/0x70 [ 299.855327] 0 pages HighMem/MovableOnly [ 299.855335] 343323 pages reserved [ 299.858783] ? __switch_to_asm+0x40/0x70 [ 299.862820] 0 pages cma reserved [ 299.868181] ? __switch_to_asm+0x34/0x70 [ 299.871245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.876261] ? __switch_to_asm+0x40/0x70 [ 299.876273] ? __switch_to_asm+0x34/0x70 [ 299.876285] ? __switch_to_asm+0x40/0x70 [ 299.876310] ? pvclock_read_flags+0x160/0x160 [ 299.879364] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.882418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.886452] syz-executor0 cpuset= [ 299.890420] ? check_preemption_disabled+0x48/0x200 [ 299.893847] syz0 [ 299.897906] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 299.901243] mems_allowed=0 [ 299.905291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.905308] ? rcu_pm_notify+0xc0/0xc0 [ 299.972425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.977966] ? check_preemption_disabled+0x48/0x200 [ 299.982995] run_timer_softirq+0x52/0xb0 [ 299.987059] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.992080] __do_softirq+0x30b/0xad8 [ 299.995898] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.001010] ? trace_hardirqs_off_caller+0x300/0x300 [ 300.006113] ? trace_hardirqs_on+0x310/0x310 [ 300.010553] ? schedule+0x108/0x460 [ 300.014196] ? __schedule+0x1ed0/0x1ed0 [ 300.018179] ? trace_hardirqs_off+0xb8/0x300 [ 300.022596] ? ___might_sleep+0x1ed/0x300 [ 300.026746] ? smpboot_thread_fn+0x68b/0xa00 [ 300.031162] ? trace_hardirqs_on+0x310/0x310 [ 300.035575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.041122] ? check_preemption_disabled+0x48/0x200 [ 300.046148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.051691] ? takeover_tasklets+0xa90/0xa90 [ 300.056105] run_ksoftirqd+0x94/0x100 [ 300.059907] smpboot_thread_fn+0x68b/0xa00 [ 300.064152] ? sort_range+0x30/0x30 [ 300.067787] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.072892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.078436] ? __kthread_parkme+0xfb/0x1a0 [ 300.082680] kthread+0x35a/0x420 [ 300.086051] ? sort_range+0x30/0x30 [ 300.089677] ? kthread_bind+0x40/0x40 [ 300.093485] ret_from_fork+0x3a/0x50 [ 300.097221] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 300.097302] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.104493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.104498] Call Trace: [ 300.104506] [ 300.104524] dump_stack+0x1c4/0x2b4 [ 300.104542] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.111187] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.120385] warn_alloc.cold.118+0xb7/0x1bd [ 300.122935] ksoftirqd/1 cpuset= [ 300.125101] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.128705] / [ 300.133893] ? lock_downgrade+0x900/0x900 [ 300.144195] mems_allowed=0 [ 300.148521] ? trace_hardirqs_off+0xb8/0x300 [ 300.169750] ? trace_hardirqs_off+0xb8/0x300 [ 300.174170] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.179047] ? warn_alloc+0x120/0x120 [ 300.182855] ? warn_alloc+0x120/0x120 [ 300.186663] ? print_usage_bug+0xc0/0xc0 [ 300.190728] ? warn_alloc+0x120/0x120 [ 300.194534] ? print_usage_bug+0xc0/0xc0 [ 300.198609] ? __lock_acquire+0x7ec/0x4ec0 [ 300.202851] ? __lock_acquire+0x7ec/0x4ec0 [ 300.207090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.212629] ? should_fail+0x22d/0xd01 [ 300.216531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.221664] ? __lock_acquire+0x7ec/0x4ec0 [ 300.225907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.231010] ? __lock_acquire+0x7ec/0x4ec0 [ 300.235246] ? should_fail+0x22d/0xd01 [ 300.239150] ? mark_held_locks+0x130/0x130 [ 300.243393] ? mark_held_locks+0x130/0x130 [ 300.247631] ? graph_lock+0x170/0x170 [ 300.251436] ? graph_lock+0x170/0x170 [ 300.255238] ? graph_lock+0x170/0x170 [ 300.259037] ? print_usage_bug+0xc0/0xc0 [ 300.263101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.268647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.274183] ? check_preemption_disabled+0x48/0x200 [ 300.279198] ? check_preemption_disabled+0x48/0x200 [ 300.284249] ? __lock_is_held+0xb5/0x140 [ 300.288322] __alloc_pages_nodemask+0xa80/0xde0 [ 300.292996] ? graph_lock+0x170/0x170 [ 300.296804] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.301825] ? graph_lock+0x170/0x170 [ 300.305652] ? find_held_lock+0x36/0x1c0 [ 300.309731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.314407] ? lock_downgrade+0x900/0x900 [ 300.318568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.324125] cache_grow_begin+0x91/0x8c0 [ 300.328191] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.332623] fallback_alloc+0x203/0x2e0 [ 300.336638] ____cache_alloc_node+0x1c7/0x1e0 [ 300.341620] kmem_cache_alloc_node+0xe3/0x730 [ 300.346125] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.350376] __alloc_skb+0x119/0x770 [ 300.354098] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.359384] ? skb_scrub_packet+0x490/0x490 [ 300.363710] ? lock_downgrade+0x900/0x900 [ 300.367868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.373415] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.378872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.384328] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.388757] ndisc_alloc_skb+0x144/0x340 [ 300.392828] ndisc_send_rs+0x331/0x6e0 [ 300.396757] addrconf_rs_timer+0x3c0/0x6f0 [ 300.401003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.405257] call_timer_fn+0x272/0x920 [ 300.409146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.413390] ? process_timeout+0x40/0x40 [ 300.417460] ? find_held_lock+0x36/0x1c0 [ 300.421534] ? __run_timers+0x7da/0xc70 [ 300.425512] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.430009] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.434505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.438743] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.443330] ? trace_hardirqs_on+0xbd/0x310 [ 300.447658] ? kasan_check_read+0x11/0x20 [ 300.451810] ? __run_timers+0x7da/0xc70 [ 300.455786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.461264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.465506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.469890] __run_timers+0x7e5/0xc70 [ 300.473703] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.479073] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.484096] ? graph_lock+0x170/0x170 [ 300.487902] ? enqueue_hrtimer+0x1a5/0x560 [ 300.492141] ? lock_release+0x970/0x970 [ 300.496117] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.501320] ? find_held_lock+0x36/0x1c0 [ 300.505391] ? graph_lock+0x170/0x170 [ 300.509196] ? pvclock_read_flags+0x160/0x160 [ 300.513698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.519243] ? check_preemption_disabled+0x48/0x200 [ 300.524279] ? __lock_is_held+0xb5/0x140 [ 300.528348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.533887] ? check_preemption_disabled+0x48/0x200 [ 300.538929] run_timer_softirq+0x52/0xb0 [ 300.543010] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.548045] __do_softirq+0x30b/0xad8 [ 300.551865] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.556979] ? pvclock_read_flags+0x160/0x160 [ 300.561476] ? lapic_next_event+0x5a/0x90 [ 300.565631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.571183] ? check_preemption_disabled+0x48/0x200 [ 300.576202] ? check_preemption_disabled+0x48/0x200 [ 300.581229] ? kvm_clock_read+0x18/0x30 [ 300.585208] ? kvm_sched_clock_read+0x9/0x20 [ 300.589629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.595173] ? check_preemption_disabled+0x48/0x200 [ 300.600212] irq_exit+0x17f/0x1c0 [ 300.603678] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.608525] ? smp_reschedule_interrupt+0x109/0x650 [ 300.613552] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.619445] ? interrupt_entry+0xb5/0xf0 [ 300.623513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.628528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.633551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.638401] ? trace_hardirqs_off+0x300/0x300 [ 300.642922] ? trace_hardirqs_off+0x300/0x300 [ 300.647423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.652962] ? check_preemption_disabled+0x48/0x200 [ 300.657980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.663533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.668387] apic_timer_interrupt+0xf/0x20 [ 300.672619] [ 300.674867] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.679797] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 300.698707] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 300.706421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.713690] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 300.720964] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 300.728232] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.735515] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.742846] skb_clone+0x1bb/0x500 [ 300.746389] ? finish_task_switch+0x1b5/0x900 [ 300.750890] ? skb_split+0x11e0/0x11e0 [ 300.754786] ? preempt_notifier_register+0x200/0x200 [ 300.759923] ? __switch_to_asm+0x34/0x70 [ 300.763983] ? __switch_to_asm+0x34/0x70 [ 300.768043] ? __switch_to_asm+0x40/0x70 [ 300.772103] ? __switch_to_asm+0x34/0x70 [ 300.776167] ? __switch_to_asm+0x40/0x70 [ 300.780227] ? __switch_to_asm+0x34/0x70 [ 300.784284] ? __switch_to_asm+0x40/0x70 [ 300.788343] ? __switch_to_asm+0x34/0x70 [ 300.792403] ? __switch_to_asm+0x34/0x70 [ 300.796467] ? __switch_to_asm+0x40/0x70 [ 300.800526] ? __switch_to_asm+0x34/0x70 [ 300.804603] bpf_clone_redirect+0xb9/0x490 [ 300.808842] ? __schedule+0x874/0x1ed0 [ 300.812736] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 300.817760] ? __sched_text_start+0x8/0x8 [ 300.821909] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.826685] ? find_held_lock+0x36/0x1c0 [ 300.830759] ? lock_acquire+0x1ed/0x520 [ 300.834734] ? bpf_test_run+0x32e/0x5a0 [ 300.838711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.844253] ? check_preemption_disabled+0x48/0x200 [ 300.849274] ? kasan_check_read+0x11/0x20 [ 300.853470] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.858768] ? rcu_bh_qs+0xc0/0xc0 [ 300.862312] ? preempt_schedule+0x4d/0x60 [ 300.866463] ? ___preempt_schedule+0x16/0x18 [ 300.870881] ? bpf_test_run+0x1c0/0x5a0 [ 300.874866] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.879279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.884819] ? bpf_test_init.isra.9+0x70/0x100 [ 300.889411] ? bpf_prog_test_run_skb+0x634/0xb40 [ 300.894178] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.899025] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.904565] ? fput+0x130/0x1a0 [ 300.907854] ? __bpf_prog_get+0x9b/0x290 [ 300.911917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.916763] ? bpf_prog_test_run+0x130/0x1a0 [ 300.921175] ? __x64_sys_bpf+0x3d8/0x510 [ 300.925241] ? bpf_prog_get+0x20/0x20 [ 300.929048] ? ksys_ioctl+0x81/0xd0 [ 300.932697] ? do_syscall_64+0x1b9/0x820 [ 300.936776] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.942159] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.947100] ? trace_hardirqs_off+0x300/0x300 [ 300.951610] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.956639] ? recalc_sigpending_tsk+0x180/0x180 [ 300.961406] ? kasan_check_write+0x14/0x20 [ 300.965654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.970511] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.975894] warn_alloc_show_mem: 1 callbacks suppressed [ 300.975906] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 300.975907] Mem-Info: [ 300.975940] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 300.975940] active_file:14 inactive_file:18 isolated_file:1 [ 300.975940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.975940] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 300.975940] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 300.975940] free:13768 free_pcp:583 free_cma:0 [ 300.981283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.988130] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.990529] Call Trace: [ 301.023407] Node 0 [ 301.032770] dump_stack+0x1c4/0x2b4 [ 301.060448] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 301.063014] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.065214] lowmem_reserve[]: [ 301.068842] warn_alloc.cold.118+0xb7/0x1bd [ 301.094314] 0 2815 [ 301.099520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.102593] 6318 6318 [ 301.106919] ? lock_downgrade+0x900/0x900 [ 301.109132] Node 0 [ 301.113974] ? trace_hardirqs_off+0xb8/0x300 [ 301.116465] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 301.120582] ? trace_hardirqs_off+0xb8/0x300 [ 301.122801] lowmem_reserve[]: [ 301.127213] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.154077] 0 0 [ 301.158532] ? warn_alloc+0x120/0x120 [ 301.161577] 3503 [ 301.166419] ? warn_alloc+0x120/0x120 [ 301.168366] 3503 [ 301.172165] ? print_usage_bug+0xc0/0xc0 [ 301.177993] ? warn_alloc+0x120/0x120 [ 301.180030] Node 0 [ 301.184084] ? print_usage_bug+0xc0/0xc0 [ 301.187887] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 301.190092] ? __lock_acquire+0x7ec/0x4ec0 [ 301.194125] lowmem_reserve[]: [ 301.222623] ? __lock_acquire+0x7ec/0x4ec0 [ 301.226833] 0 [ 301.229935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.234136] 0 0 [ 301.235951] ? should_fail+0x22d/0xd01 [ 301.241457] 0 [ 301.243440] ? __lock_acquire+0x7ec/0x4ec0 [ 301.247300] Node 0 [ 301.249100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.253318] DMA: 1*4kB [ 301.255556] ? __lock_acquire+0x7ec/0x4ec0 [ 301.260636] (U) [ 301.263216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.267416] 0*8kB 0*16kB [ 301.269393] ? __lock_acquire+0x7ec/0x4ec0 [ 301.274462] 1*32kB (U) [ 301.277223] ? should_fail+0x22d/0xd01 [ 301.281426] 2*64kB (U) [ 301.284020] ? mark_held_locks+0x130/0x130 [ 301.287870] 1*128kB (U) [ 301.290459] ? mark_held_locks+0x130/0x130 [ 301.294670] 1*256kB [ 301.297336] ? graph_lock+0x170/0x170 [ 301.301541] (U) [ 301.303859] ? print_usage_bug+0xc0/0xc0 [ 301.307631] 0*512kB [ 301.309612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.313657] 1*1024kB [ 301.315978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.321486] (U) [ 301.323888] ? check_preemption_disabled+0x48/0x200 [ 301.329395] 1*2048kB (M) [ 301.331375] ? check_preemption_disabled+0x48/0x200 [ 301.336372] 3*4096kB [ 301.339560] ? __lock_is_held+0xb5/0x140 [ 301.344540] (M) [ 301.346947] __alloc_pages_nodemask+0xa80/0xde0 [ 301.350978] = 15908kB [ 301.352947] ? graph_lock+0x170/0x170 [ 301.357595] Node 0 [ 301.360006] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.363771] DMA32: 4*4kB [ 301.366012] ? graph_lock+0x170/0x170 [ 301.370997] (UM) 2*8kB [ 301.373766] ? find_held_lock+0x36/0x1c0 [ 301.377531] (M) [ 301.380121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.384146] 1*16kB (M) [ 301.386126] ? lock_downgrade+0x900/0x900 [ 301.390769] 1*32kB [ 301.393357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.397471] (M) [ 301.399709] cache_grow_begin+0x91/0x8c0 [ 301.405212] 3*64kB (UM) [ 301.407198] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.411224] 3*128kB (M) [ 301.413906] fallback_alloc+0x203/0x2e0 [ 301.418284] 2*256kB [ 301.420950] ____cache_alloc_node+0x1c7/0x1e0 [ 301.424887] (M) 3*512kB [ 301.427217] kmem_cache_alloc_node+0xe3/0x730 [ 301.431682] (M) [ 301.434352] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.438818] 4*1024kB [ 301.440792] __alloc_skb+0x119/0x770 [ 301.444997] (UM) [ 301.447407] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.451093] 3*2048kB [ 301.453167] ? skb_scrub_packet+0x490/0x490 [ 301.458420] (M) [ 301.460829] ? lock_downgrade+0x900/0x900 [ 301.465124] 3*4096kB [ 301.467102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.471218] (M) [ 301.473630] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.479148] = 25232kB [ 301.481119] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.486549] Node 0 [ 301.488960] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.494384] Normal: [ 301.496638] ndisc_alloc_skb+0x144/0x340 [ 301.501007] 1065*4kB [ 301.503330] ndisc_send_rs+0x331/0x6e0 [ 301.507360] (MEH) [ 301.509778] addrconf_rs_timer+0x3c0/0x6f0 [ 301.513635] 487*8kB [ 301.515788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.519994] (ME) [ 301.522330] call_timer_fn+0x272/0x920 [ 301.526528] 153*16kB [ 301.528582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.532448] (MEH) [ 301.534856] ? process_timeout+0x40/0x40 [ 301.539067] 77*32kB [ 301.541210] ? find_held_lock+0x36/0x1c0 [ 301.545243] (UM) [ 301.547569] ? __run_timers+0x7da/0xc70 [ 301.551617] 0*64kB [ 301.553674] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.557614] 1*128kB (H) [ 301.559852] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.564365] 1*256kB [ 301.567029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.571501] (U) 1*512kB [ 301.573841] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.578042] (U) 0*1024kB [ 301.580716] ? trace_hardirqs_on+0xbd/0x310 [ 301.585267] 0*2048kB 0*4096kB [ 301.588026] ? kasan_check_read+0x11/0x20 [ 301.592315] = 13964kB [ 301.592341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.595523] ? __run_timers+0x7da/0xc70 [ 301.599654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.602053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.610862] 412 total pagecache pages [ 301.614837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.623397] 0 pages in swap cache [ 301.628839] __run_timers+0x7e5/0xc70 [ 301.632617] Swap cache stats: add 0, delete 0, find 0/0 [ 301.632626] Free swap = 0kB [ 301.636866] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.640279] Total swap = 0kB [ 301.640288] 1965979 pages RAM [ 301.644081] ? compat_start_thread+0x80/0x80 [ 301.644100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.649440] 0 pages HighMem/MovableOnly [ 301.652451] ? kasan_check_write+0x14/0x20 [ 301.657790] 343323 pages reserved [ 301.660806] ? finish_task_switch+0x2f5/0x900 [ 301.663896] 0 pages cma reserved [ 301.668312] ? __switch_to_asm+0x40/0x70 [ 301.673911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.677799] ? preempt_notifier_register+0x200/0x200 [ 301.682066] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.685459] ? __switch_to_asm+0x34/0x70 [ 301.689929] syz-executor0 cpuset= [ 301.693287] ? __switch_to_asm+0x40/0x70 [ 301.697322] syz0 [ 301.703817] ? __switch_to_asm+0x34/0x70 [ 301.703832] ? __switch_to_asm+0x40/0x70 [ 301.708920] mems_allowed=0 [ 301.719393] ? __switch_to_asm+0x34/0x70 [ 301.719408] ? __switch_to_asm+0x40/0x70 [ 301.752000] ? pvclock_read_flags+0x160/0x160 [ 301.756499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.762063] ? check_preemption_disabled+0x48/0x200 [ 301.767109] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 301.772662] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.777944] ? rcu_pm_notify+0xc0/0xc0 [ 301.781835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.787377] ? check_preemption_disabled+0x48/0x200 [ 301.792422] run_timer_softirq+0x52/0xb0 [ 301.796488] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.801511] __do_softirq+0x30b/0xad8 [ 301.805328] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.810432] ? trace_hardirqs_off_caller+0x300/0x300 [ 301.815540] ? trace_hardirqs_on+0x310/0x310 [ 301.819958] ? schedule+0x108/0x460 [ 301.823595] ? __schedule+0x1ed0/0x1ed0 [ 301.827578] ? trace_hardirqs_off+0xb8/0x300 [ 301.832002] ? ___might_sleep+0x1ed/0x300 [ 301.836151] ? smpboot_thread_fn+0x68b/0xa00 [ 301.840565] ? trace_hardirqs_on+0x310/0x310 [ 301.844981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.850518] ? check_preemption_disabled+0x48/0x200 [ 301.855550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.861094] ? takeover_tasklets+0xa90/0xa90 [ 301.865509] run_ksoftirqd+0x94/0x100 [ 301.869309] smpboot_thread_fn+0x68b/0xa00 [ 301.873550] ? sort_range+0x30/0x30 [ 301.877178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.882280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.887817] ? __kthread_parkme+0xfb/0x1a0 [ 301.892078] kthread+0x35a/0x420 [ 301.895442] ? sort_range+0x30/0x30 [ 301.899068] ? kthread_bind+0x40/0x40 [ 301.902874] ret_from_fork+0x3a/0x50 [ 301.906618] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 301.906697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.913903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.913908] Call Trace: [ 301.913914] [ 301.913931] dump_stack+0x1c4/0x2b4 [ 301.913947] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.920480] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.929782] warn_alloc.cold.118+0xb7/0x1bd [ 301.932333] ksoftirqd/1 cpuset= [ 301.934489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.938095] / [ 301.943279] ? lock_downgrade+0x900/0x900 [ 301.953571] mems_allowed=0 [ 301.957916] ? trace_hardirqs_off+0xb8/0x300 [ 301.979164] ? trace_hardirqs_off+0xb8/0x300 [ 301.983593] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.988475] ? warn_alloc+0x120/0x120 [ 301.992326] ? warn_alloc+0x120/0x120 [ 301.996131] ? print_usage_bug+0xc0/0xc0 [ 302.000197] ? warn_alloc+0x120/0x120 [ 302.003998] ? print_usage_bug+0xc0/0xc0 [ 302.008065] ? __lock_acquire+0x7ec/0x4ec0 [ 302.012298] ? __lock_acquire+0x7ec/0x4ec0 [ 302.016534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.022069] ? should_fail+0x22d/0xd01 [ 302.025965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.031067] ? __lock_acquire+0x7ec/0x4ec0 [ 302.035306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.040407] ? __lock_acquire+0x7ec/0x4ec0 [ 302.044645] ? should_fail+0x22d/0xd01 [ 302.048543] ? mark_held_locks+0x130/0x130 [ 302.052786] ? mark_held_locks+0x130/0x130 [ 302.057024] ? graph_lock+0x170/0x170 [ 302.060823] ? graph_lock+0x170/0x170 [ 302.064629] ? graph_lock+0x170/0x170 [ 302.068431] ? print_usage_bug+0xc0/0xc0 [ 302.072501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.078040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.083580] ? check_preemption_disabled+0x48/0x200 [ 302.088609] ? check_preemption_disabled+0x48/0x200 [ 302.093640] ? __lock_is_held+0xb5/0x140 [ 302.097714] __alloc_pages_nodemask+0xa80/0xde0 [ 302.102386] ? graph_lock+0x170/0x170 [ 302.106198] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.111210] ? graph_lock+0x170/0x170 [ 302.115021] ? find_held_lock+0x36/0x1c0 [ 302.119095] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.123764] ? lock_downgrade+0x900/0x900 [ 302.127919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.133462] cache_grow_begin+0x91/0x8c0 [ 302.137527] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.141945] fallback_alloc+0x203/0x2e0 [ 302.145927] ____cache_alloc_node+0x1c7/0x1e0 [ 302.150432] kmem_cache_alloc_node+0xe3/0x730 [ 302.154929] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.159175] __alloc_skb+0x119/0x770 [ 302.162890] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.168174] ? skb_scrub_packet+0x490/0x490 [ 302.172499] ? lock_downgrade+0x900/0x900 [ 302.176658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.182197] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.187660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.193117] ? addrconf_rs_timer+0x6f0/0x6f0 [ 302.197541] ndisc_alloc_skb+0x144/0x340 [ 302.201613] ndisc_send_rs+0x331/0x6e0 [ 302.205510] addrconf_rs_timer+0x3c0/0x6f0 [ 302.209753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.214003] call_timer_fn+0x272/0x920 [ 302.217891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.222218] ? process_timeout+0x40/0x40 [ 302.226276] ? find_held_lock+0x36/0x1c0 [ 302.230351] ? __run_timers+0x7da/0xc70 [ 302.234331] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.238828] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.243325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.247562] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.252153] ? trace_hardirqs_on+0xbd/0x310 [ 302.256477] ? kasan_check_read+0x11/0x20 [ 302.260626] ? __run_timers+0x7da/0xc70 [ 302.264613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.270079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.274322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.278555] __run_timers+0x7e5/0xc70 [ 302.282377] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.287746] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.292766] ? graph_lock+0x170/0x170 [ 302.296574] ? enqueue_hrtimer+0x1a5/0x560 [ 302.300814] ? lock_release+0x970/0x970 [ 302.304789] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.309985] ? find_held_lock+0x36/0x1c0 [ 302.314052] ? graph_lock+0x170/0x170 [ 302.317855] ? pvclock_read_flags+0x160/0x160 [ 302.322354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.327891] ? check_preemption_disabled+0x48/0x200 [ 302.332917] ? __lock_is_held+0xb5/0x140 [ 302.336977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.342990] ? check_preemption_disabled+0x48/0x200 [ 302.348018] run_timer_softirq+0x52/0xb0 [ 302.352080] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.357098] __do_softirq+0x30b/0xad8 [ 302.360914] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.366041] ? pvclock_read_flags+0x160/0x160 [ 302.370554] ? lapic_next_event+0x5a/0x90 [ 302.374709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.380243] ? check_preemption_disabled+0x48/0x200 [ 302.385254] ? check_preemption_disabled+0x48/0x200 [ 302.390274] ? kvm_clock_read+0x18/0x30 [ 302.394266] ? kvm_sched_clock_read+0x9/0x20 [ 302.398678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.404219] ? check_preemption_disabled+0x48/0x200 [ 302.409248] irq_exit+0x17f/0x1c0 [ 302.412705] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.417550] ? smp_reschedule_interrupt+0x109/0x650 [ 302.422569] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.428466] ? interrupt_entry+0xb5/0xf0 [ 302.432528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.437541] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.442601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.447447] ? trace_hardirqs_off+0x300/0x300 [ 302.451940] ? trace_hardirqs_off+0x300/0x300 [ 302.456440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.461980] ? check_preemption_disabled+0x48/0x200 [ 302.466994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.472814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.477676] apic_timer_interrupt+0xf/0x20 [ 302.481905] [ 302.484164] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 302.489095] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 302.508001] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 302.515710] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 302.522990] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 302.530259] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 302.537525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 302.544794] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 302.552113] skb_clone+0x1bb/0x500 [ 302.555663] ? finish_task_switch+0x1b5/0x900 [ 302.560162] ? skb_split+0x11e0/0x11e0 [ 302.564051] ? preempt_notifier_register+0x200/0x200 [ 302.569155] ? __switch_to_asm+0x34/0x70 [ 302.573214] ? __switch_to_asm+0x34/0x70 [ 302.577272] ? __switch_to_asm+0x40/0x70 [ 302.581330] ? __switch_to_asm+0x34/0x70 [ 302.585386] ? __switch_to_asm+0x40/0x70 [ 302.589448] ? __switch_to_asm+0x34/0x70 [ 302.593508] ? __switch_to_asm+0x40/0x70 [ 302.597566] ? __switch_to_asm+0x34/0x70 [ 302.601635] ? __switch_to_asm+0x34/0x70 [ 302.605700] ? __switch_to_asm+0x40/0x70 [ 302.609758] ? __switch_to_asm+0x34/0x70 [ 302.613825] bpf_clone_redirect+0xb9/0x490 [ 302.618062] ? __schedule+0x874/0x1ed0 [ 302.621960] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 302.626977] ? __sched_text_start+0x8/0x8 [ 302.631129] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.635904] ? find_held_lock+0x36/0x1c0 [ 302.639977] ? lock_acquire+0x1ed/0x520 [ 302.643951] ? bpf_test_run+0x32e/0x5a0 [ 302.647928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.653468] ? check_preemption_disabled+0x48/0x200 [ 302.658491] ? kasan_check_read+0x11/0x20 [ 302.662647] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.667939] ? rcu_bh_qs+0xc0/0xc0 [ 302.671481] ? preempt_schedule+0x4d/0x60 [ 302.675632] ? ___preempt_schedule+0x16/0x18 [ 302.680052] ? bpf_test_run+0x1c0/0x5a0 [ 302.684040] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.688451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.693990] ? bpf_test_init.isra.9+0x70/0x100 [ 302.698576] ? bpf_prog_test_run_skb+0x634/0xb40 [ 302.703363] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.708205] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.713738] ? fput+0x130/0x1a0 [ 302.717022] ? __bpf_prog_get+0x9b/0x290 [ 302.721086] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.725937] ? bpf_prog_test_run+0x130/0x1a0 [ 302.730360] ? __x64_sys_bpf+0x3d8/0x510 [ 302.734425] ? bpf_prog_get+0x20/0x20 [ 302.738237] ? ksys_ioctl+0x81/0xd0 [ 302.741886] ? do_syscall_64+0x1b9/0x820 [ 302.745949] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.751330] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.756269] ? trace_hardirqs_off+0x300/0x300 [ 302.760770] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.765787] ? recalc_sigpending_tsk+0x180/0x180 [ 302.770542] ? kasan_check_write+0x14/0x20 [ 302.774788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.779659] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.785055] warn_alloc_show_mem: 1 callbacks suppressed [ 302.785066] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 302.785068] Mem-Info: [ 302.785100] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 302.785100] active_file:14 inactive_file:18 isolated_file:1 [ 302.785100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.785100] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 302.785100] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 302.785100] free:13768 free_pcp:583 free_cma:0 [ 302.790438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.797279] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.799645] Call Trace: [ 302.799689] dump_stack+0x1c4/0x2b4 [ 302.832558] Node 0 [ 302.841917] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.869583] 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 [ 302.872154] warn_alloc.cold.118+0xb7/0x1bd [ 302.875737] lowmem_reserve[]: [ 302.877967] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.883130] 0 [ 302.908645] ? lock_downgrade+0x900/0x900 [ 302.912937] 2815 6318 [ 302.916051] ? trace_hardirqs_off+0xb8/0x300 [ 302.920858] 6318 [ 302.922666] ? trace_hardirqs_off+0xb8/0x300 [ 302.926788] Node 0 [ 302.929285] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.933688] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 302.935746] ? warn_alloc+0x120/0x120 [ 302.940103] lowmem_reserve[]: [ 302.942341] ? warn_alloc+0x120/0x120 [ 302.947148] 0 0 [ 302.974068] ? print_usage_bug+0xc0/0xc0 [ 302.977842] 3503 [ 302.980947] ? warn_alloc+0x120/0x120 [ 302.984721] 3503 [ 302.986693] ? print_usage_bug+0xc0/0xc0 [ 302.990725] Node 0 [ 302.992781] ? __lock_acquire+0x7ec/0x4ec0 [ 302.996583] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 302.998624] ? __lock_acquire+0x7ec/0x4ec0 [ 303.002658] lowmem_reserve[]: 0 0 [ 303.004906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.009121] 0 0 [ 303.037598] ? should_fail+0x22d/0xd01 [ 303.045253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.050763] Node 0 [ 303.052752] ? __lock_acquire+0x7ec/0x4ec0 [ 303.056608] DMA: 1*4kB [ 303.061713] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.063924] (U) [ 303.068195] ? __lock_acquire+0x7ec/0x4ec0 [ 303.070769] 0*8kB [ 303.075882] ? should_fail+0x22d/0xd01 [ 303.077833] 0*16kB [ 303.082066] ? mark_held_locks+0x130/0x130 [ 303.084187] 1*32kB [ 303.088067] ? mark_held_locks+0x130/0x130 [ 303.090278] (U) [ 303.094504] ? graph_lock+0x170/0x170 [ 303.096711] 2*64kB (U) [ 303.100946] ? graph_lock+0x170/0x170 [ 303.102893] 1*128kB (U) [ 303.106695] ? graph_lock+0x170/0x170 [ 303.109258] 1*256kB [ 303.113051] ? print_usage_bug+0xc0/0xc0 [ 303.115699] (U) [ 303.119497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.121793] 0*512kB [ 303.125847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.127802] 1*1024kB [ 303.133330] ? check_preemption_disabled+0x48/0x200 [ 303.135632] (U) [ 303.141167] ? check_preemption_disabled+0x48/0x200 [ 303.143553] 1*2048kB [ 303.148606] ? __lock_is_held+0xb5/0x140 [ 303.150552] (M) [ 303.155563] __alloc_pages_nodemask+0xa80/0xde0 [ 303.157947] 3*4096kB [ 303.161997] ? graph_lock+0x170/0x170 [ 303.163952] (M) [ 303.168621] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.171006] = 15908kB [ 303.174797] ? graph_lock+0x170/0x170 [ 303.176751] Node 0 [ 303.181766] ? find_held_lock+0x36/0x1c0 [ 303.184137] DMA32: 4*4kB [ 303.187958] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.190160] (UM) [ 303.194212] ? lock_downgrade+0x900/0x900 [ 303.196943] 2*8kB [ 303.201624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.203661] (M) [ 303.207811] cache_grow_begin+0x91/0x8c0 [ 303.209931] 1*16kB [ 303.215461] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.217409] (M) [ 303.221467] fallback_alloc+0x203/0x2e0 [ 303.223674] 1*32kB [ 303.228248] ____cache_alloc_node+0x1c7/0x1e0 [ 303.230195] (M) [ 303.234167] kmem_cache_alloc_node+0xe3/0x730 [ 303.236374] 3*64kB [ 303.240865] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.242815] (UM) [ 303.247311] __alloc_skb+0x119/0x770 [ 303.249516] 3*128kB [ 303.253747] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.255781] (M) [ 303.259485] ? skb_scrub_packet+0x490/0x490 [ 303.261801] 2*256kB [ 303.267071] ? lock_downgrade+0x900/0x900 [ 303.269023] (M) [ 303.273342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.275636] 3*512kB [ 303.279776] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.281741] (M) [ 303.287273] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.289570] 4*1024kB [ 303.295021] ? addrconf_rs_timer+0x6f0/0x6f0 [ 303.296967] (UM) [ 303.302418] ndisc_alloc_skb+0x144/0x340 [ 303.304799] 3*2048kB [ 303.309200] ndisc_send_rs+0x331/0x6e0 [ 303.311234] (M) [ 303.315289] addrconf_rs_timer+0x3c0/0x6f0 [ 303.317676] 3*4096kB [ 303.321556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.323504] (M) [ 303.327745] call_timer_fn+0x272/0x920 [ 303.330122] = 25232kB [ 303.334349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.336301] Node 0 [ 303.340414] ? process_timeout+0x40/0x40 [ 303.342804] Normal: [ 303.347033] ? find_held_lock+0x36/0x1c0 [ 303.349244] 1065*4kB [ 303.353338] ? __run_timers+0x7da/0xc70 [ 303.355630] (MEH) [ 303.359684] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.362069] 487*8kB [ 303.366032] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.368157] (ME) [ 303.372644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.374944] 153*16kB [ 303.379434] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.381475] (MEH) [ 303.385707] ? trace_hardirqs_on+0xbd/0x310 [ 303.388086] 77*32kB (UM) [ 303.392671] ? kasan_check_read+0x11/0x20 [ 303.394795] 0*64kB [ 303.399108] ? __run_timers+0x7da/0xc70 [ 303.401838] 1*128kB [ 303.405980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.408192] (H) [ 303.412169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.414467] 1*256kB [ 303.419909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.421860] (U) [ 303.426090] __run_timers+0x7e5/0xc70 [ 303.428388] 1*512kB [ 303.432828] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.434772] (U) [ 303.438567] ? compat_start_thread+0x80/0x80 [ 303.438595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.440893] 0*1024kB [ 303.446251] ? kasan_check_write+0x14/0x20 [ 303.448203] 0*2048kB [ 303.452615] ? finish_task_switch+0x2f5/0x900 [ 303.458125] 0*4096kB [ 303.460550] ? __switch_to_asm+0x40/0x70 [ 303.464760] = 13964kB [ 303.467169] ? preempt_notifier_register+0x200/0x200 [ 303.471648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.474041] ? __switch_to_asm+0x34/0x70 [ 303.478092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.480492] ? __switch_to_asm+0x40/0x70 [ 303.485583] 412 total pagecache pages [ 303.494427] ? __switch_to_asm+0x34/0x70 [ 303.498467] 0 pages in swap cache [ 303.507026] ? __switch_to_asm+0x40/0x70 [ 303.507043] ? __switch_to_asm+0x34/0x70 [ 303.511084] Swap cache stats: add 0, delete 0, find 0/0 [ 303.514868] ? __switch_to_asm+0x40/0x70 [ 303.514895] ? pvclock_read_flags+0x160/0x160 [ 303.518921] Free swap = 0kB [ 303.522368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.526399] Total swap = 0kB [ 303.530455] ? check_preemption_disabled+0x48/0x200 [ 303.535791] 1965979 pages RAM [ 303.539851] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 303.544312] 0 pages HighMem/MovableOnly [ 303.547328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.552840] 343323 pages reserved [ 303.555847] ? rcu_pm_notify+0xc0/0xc0 [ 303.560841] 0 pages cma reserved [ 303.563945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.569520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.573421] ? check_preemption_disabled+0x48/0x200 [ 303.573445] run_timer_softirq+0x52/0xb0 [ 303.573461] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.578779] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.582172] __do_softirq+0x30b/0xad8 [ 303.586032] syz-executor0 cpuset= [ 303.589404] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.594906] syz0 [ 303.601394] ? trace_hardirqs_off_caller+0x300/0x300 [ 303.606386] mems_allowed=0 [ 303.610437] ? trace_hardirqs_on+0x310/0x310 [ 303.652576] ? schedule+0x108/0x460 [ 303.656218] ? __schedule+0x1ed0/0x1ed0 [ 303.660203] ? trace_hardirqs_off+0xb8/0x300 [ 303.664634] ? ___might_sleep+0x1ed/0x300 [ 303.668784] ? smpboot_thread_fn+0x68b/0xa00 [ 303.673197] ? trace_hardirqs_on+0x310/0x310 [ 303.677617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.683160] ? check_preemption_disabled+0x48/0x200 [ 303.688177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.693722] ? takeover_tasklets+0xa90/0xa90 [ 303.698136] run_ksoftirqd+0x94/0x100 [ 303.701944] smpboot_thread_fn+0x68b/0xa00 [ 303.706185] ? sort_range+0x30/0x30 [ 303.709820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.714927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.720469] ? __kthread_parkme+0xfb/0x1a0 [ 303.724714] kthread+0x35a/0x420 [ 303.728085] ? sort_range+0x30/0x30 [ 303.731720] ? kthread_bind+0x40/0x40 [ 303.735525] ret_from_fork+0x3a/0x50 [ 303.739261] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 303.739342] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.746529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.746534] Call Trace: [ 303.746540] [ 303.746557] dump_stack+0x1c4/0x2b4 [ 303.746575] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.753155] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.762418] warn_alloc.cold.118+0xb7/0x1bd [ 303.764970] ksoftirqd/1 cpuset= [ 303.767113] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.770715] / [ 303.775899] ? lock_downgrade+0x900/0x900 [ 303.786186] mems_allowed=0 [ 303.790501] ? trace_hardirqs_off+0xb8/0x300 [ 303.811739] ? trace_hardirqs_off+0xb8/0x300 [ 303.816160] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.821039] ? warn_alloc+0x120/0x120 [ 303.824845] ? warn_alloc+0x120/0x120 [ 303.828655] ? print_usage_bug+0xc0/0xc0 [ 303.832720] ? warn_alloc+0x120/0x120 [ 303.836524] ? print_usage_bug+0xc0/0xc0 [ 303.840604] ? __lock_acquire+0x7ec/0x4ec0 [ 303.844863] ? __lock_acquire+0x7ec/0x4ec0 [ 303.849108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.854655] ? should_fail+0x22d/0xd01 [ 303.858548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.863656] ? __lock_acquire+0x7ec/0x4ec0 [ 303.867903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.873005] ? __lock_acquire+0x7ec/0x4ec0 [ 303.877237] ? should_fail+0x22d/0xd01 [ 303.881133] ? mark_held_locks+0x130/0x130 [ 303.885376] ? mark_held_locks+0x130/0x130 [ 303.889619] ? graph_lock+0x170/0x170 [ 303.893426] ? graph_lock+0x170/0x170 [ 303.897231] ? graph_lock+0x170/0x170 [ 303.901032] ? print_usage_bug+0xc0/0xc0 [ 303.905096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.910631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.916175] ? check_preemption_disabled+0x48/0x200 [ 303.921191] ? check_preemption_disabled+0x48/0x200 [ 303.926221] ? __lock_is_held+0xb5/0x140 [ 303.930291] __alloc_pages_nodemask+0xa80/0xde0 [ 303.934964] ? graph_lock+0x170/0x170 [ 303.938769] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.943781] ? graph_lock+0x170/0x170 [ 303.947602] ? find_held_lock+0x36/0x1c0 [ 303.951682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.956355] ? lock_downgrade+0x900/0x900 [ 303.960514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.966060] cache_grow_begin+0x91/0x8c0 [ 303.970120] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.974537] fallback_alloc+0x203/0x2e0 [ 303.978519] ____cache_alloc_node+0x1c7/0x1e0 [ 303.983022] kmem_cache_alloc_node+0xe3/0x730 [ 303.987522] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.991767] __alloc_skb+0x119/0x770 [ 303.995498] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.000787] ? skb_scrub_packet+0x490/0x490 [ 304.005116] ? lock_downgrade+0x900/0x900 [ 304.009271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.014814] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.020267] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.025724] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.030152] ndisc_alloc_skb+0x144/0x340 [ 304.034224] ndisc_send_rs+0x331/0x6e0 [ 304.038120] addrconf_rs_timer+0x3c0/0x6f0 [ 304.042359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.046621] call_timer_fn+0x272/0x920 [ 304.050516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.054760] ? process_timeout+0x40/0x40 [ 304.058818] ? find_held_lock+0x36/0x1c0 [ 304.062887] ? __run_timers+0x7da/0xc70 [ 304.066868] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.071360] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.075852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.080084] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.084674] ? trace_hardirqs_on+0xbd/0x310 [ 304.088991] ? kasan_check_read+0x11/0x20 [ 304.093139] ? __run_timers+0x7da/0xc70 [ 304.097117] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.102575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.106824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.111058] __run_timers+0x7e5/0xc70 [ 304.114876] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.120246] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.125263] ? graph_lock+0x170/0x170 [ 304.129068] ? enqueue_hrtimer+0x1a5/0x560 [ 304.133309] ? lock_release+0x970/0x970 [ 304.137303] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.142506] ? find_held_lock+0x36/0x1c0 [ 304.146574] ? graph_lock+0x170/0x170 [ 304.150385] ? pvclock_read_flags+0x160/0x160 [ 304.154892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.160435] ? check_preemption_disabled+0x48/0x200 [ 304.165464] ? __lock_is_held+0xb5/0x140 [ 304.169526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.175063] ? check_preemption_disabled+0x48/0x200 [ 304.180087] run_timer_softirq+0x52/0xb0 [ 304.184151] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.189173] __do_softirq+0x30b/0xad8 [ 304.192988] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.198100] ? pvclock_read_flags+0x160/0x160 [ 304.202601] ? lapic_next_event+0x5a/0x90 [ 304.206750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.212290] ? check_preemption_disabled+0x48/0x200 [ 304.217306] ? check_preemption_disabled+0x48/0x200 [ 304.222329] ? kvm_clock_read+0x18/0x30 [ 304.226304] ? kvm_sched_clock_read+0x9/0x20 [ 304.230714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.236254] ? check_preemption_disabled+0x48/0x200 [ 304.241281] irq_exit+0x17f/0x1c0 [ 304.244741] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.249582] ? smp_reschedule_interrupt+0x109/0x650 [ 304.254618] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.260510] ? interrupt_entry+0xb5/0xf0 [ 304.264573] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.269607] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.274628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.279473] ? trace_hardirqs_off+0x300/0x300 [ 304.283966] ? trace_hardirqs_off+0x300/0x300 [ 304.288467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.294005] ? check_preemption_disabled+0x48/0x200 [ 304.299024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.304571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.309434] apic_timer_interrupt+0xf/0x20 [ 304.313667] [ 304.315912] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 304.320842] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 304.340192] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 304.347902] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.355169] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 304.362493] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 304.369763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 304.377036] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 304.384350] skb_clone+0x1bb/0x500 [ 304.387892] ? finish_task_switch+0x1b5/0x900 [ 304.392393] ? skb_split+0x11e0/0x11e0 [ 304.396284] ? preempt_notifier_register+0x200/0x200 [ 304.401388] ? __switch_to_asm+0x34/0x70 [ 304.405461] ? __switch_to_asm+0x34/0x70 [ 304.409519] ? __switch_to_asm+0x40/0x70 [ 304.413580] ? __switch_to_asm+0x34/0x70 [ 304.417655] ? __switch_to_asm+0x40/0x70 [ 304.421802] ? __switch_to_asm+0x34/0x70 [ 304.425865] ? __switch_to_asm+0x40/0x70 [ 304.429927] ? __switch_to_asm+0x34/0x70 [ 304.433991] ? __switch_to_asm+0x34/0x70 [ 304.438055] ? __switch_to_asm+0x40/0x70 [ 304.442112] ? __switch_to_asm+0x34/0x70 [ 304.446181] bpf_clone_redirect+0xb9/0x490 [ 304.450421] ? __schedule+0x874/0x1ed0 [ 304.454319] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 304.459343] ? __sched_text_start+0x8/0x8 [ 304.463491] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.468262] ? find_held_lock+0x36/0x1c0 [ 304.472523] ? lock_acquire+0x1ed/0x520 [ 304.476495] ? bpf_test_run+0x32e/0x5a0 [ 304.480473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.486009] ? check_preemption_disabled+0x48/0x200 [ 304.491029] ? kasan_check_read+0x11/0x20 [ 304.495182] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.500458] ? rcu_bh_qs+0xc0/0xc0 [ 304.504001] ? preempt_schedule+0x4d/0x60 [ 304.508155] ? ___preempt_schedule+0x16/0x18 [ 304.512582] ? bpf_test_run+0x1c0/0x5a0 [ 304.516575] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.520997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.526532] ? bpf_test_init.isra.9+0x70/0x100 [ 304.531117] ? bpf_prog_test_run_skb+0x634/0xb40 [ 304.535879] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.540721] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.546255] ? fput+0x130/0x1a0 [ 304.549534] ? __bpf_prog_get+0x9b/0x290 [ 304.553613] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.558464] ? bpf_prog_test_run+0x130/0x1a0 [ 304.562877] ? __x64_sys_bpf+0x3d8/0x510 [ 304.566936] ? bpf_prog_get+0x20/0x20 [ 304.570746] ? ksys_ioctl+0x81/0xd0 [ 304.574399] ? do_syscall_64+0x1b9/0x820 [ 304.578463] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.583834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.588767] ? trace_hardirqs_off+0x300/0x300 [ 304.593304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.598322] ? recalc_sigpending_tsk+0x180/0x180 [ 304.603076] ? kasan_check_write+0x14/0x20 [ 304.607319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.612175] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.617553] warn_alloc_show_mem: 1 callbacks suppressed [ 304.617565] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 304.617567] Mem-Info: [ 304.617608] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 304.617608] active_file:14 inactive_file:18 isolated_file:1 [ 304.617608] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.617608] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 304.617608] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 304.617608] free:13768 free_pcp:583 free_cma:0 [ 304.622938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.622946] Call Trace: [ 304.629795] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.632231] dump_stack+0x1c4/0x2b4 [ 304.665089] Node 0 [ 304.674452] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.677033] 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 [ 304.704686] warn_alloc.cold.118+0xb7/0x1bd [ 304.708279] lowmem_reserve[]: [ 304.710512] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.715678] 0 [ 304.741189] ? lock_downgrade+0x900/0x900 [ 304.745480] 2815 [ 304.748583] ? trace_hardirqs_off+0xb8/0x300 [ 304.753401] 6318 6318 [ 304.755225] ? trace_hardirqs_off+0xb8/0x300 [ 304.761412] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.765790] Node 0 [ 304.768304] ? warn_alloc+0x120/0x120 [ 304.772687] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 304.777501] ? warn_alloc+0x120/0x120 [ 304.779710] lowmem_reserve[]: [ 304.783507] ? print_usage_bug+0xc0/0xc0 [ 304.810375] 0 [ 304.814188] ? warn_alloc+0x120/0x120 [ 304.817268] 0 [ 304.821324] ? print_usage_bug+0xc0/0xc0 [ 304.823101] 3503 [ 304.826892] ? __lock_acquire+0x7ec/0x4ec0 [ 304.828674] 3503 [ 304.832731] ? __lock_acquire+0x7ec/0x4ec0 [ 304.839003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.841038] Node 0 [ 304.845270] ? should_fail+0x22d/0xd01 [ 304.850825] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 304.853028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.856881] lowmem_reserve[]: 0 [ 304.885348] ? __lock_acquire+0x7ec/0x4ec0 [ 304.890449] 0 [ 304.893722] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.897930] 0 [ 304.899727] ? __lock_acquire+0x7ec/0x4ec0 [ 304.904797] 0 [ 304.906610] ? should_fail+0x22d/0xd01 [ 304.910817] Node 0 [ 304.912617] ? print_usage_bug+0xc0/0xc0 [ 304.916478] DMA: [ 304.918712] ? mark_held_locks+0x130/0x130 [ 304.922742] 1*4kB [ 304.924800] ? mark_held_locks+0x130/0x130 [ 304.929007] (U) [ 304.931163] ? graph_lock+0x170/0x170 [ 304.935366] 0*8kB 0*16kB [ 304.937346] ? print_usage_bug+0xc0/0xc0 [ 304.941115] 1*32kB (U) [ 304.943884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.947942] 2*64kB [ 304.950522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.955246] (U) [ 304.957479] ? check_preemption_disabled+0x48/0x200 [ 304.962985] 1*128kB (U) [ 304.964968] ? check_preemption_disabled+0x48/0x200 [ 304.969957] 1*256kB [ 304.972635] ? __lock_is_held+0xb5/0x140 [ 304.977617] (U) [ 304.979938] __alloc_pages_nodemask+0xa80/0xde0 [ 304.983970] 0*512kB [ 304.985937] ? graph_lock+0x170/0x170 [ 304.990574] 1*1024kB (U) [ 304.992909] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.996683] 1*2048kB [ 304.999436] ? graph_lock+0x170/0x170 [ 305.004427] (M) [ 305.006838] ? find_held_lock+0x36/0x1c0 [ 305.010610] 3*4096kB [ 305.012585] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.016620] (M) [ 305.019027] ? lock_downgrade+0x900/0x900 [ 305.023672] = 15908kB [ 305.025648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.029772] Node 0 [ 305.032178] cache_grow_begin+0x91/0x8c0 [ 305.037690] DMA32: [ 305.039923] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.043956] 4*4kB [ 305.046213] fallback_alloc+0x203/0x2e0 [ 305.050599] (UM) [ 305.052747] ____cache_alloc_node+0x1c7/0x1e0 [ 305.056696] 2*8kB [ 305.058757] kmem_cache_alloc_node+0xe3/0x730 [ 305.063226] (M) [ 305.065379] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.069844] 1*16kB (M) [ 305.071829] __alloc_skb+0x119/0x770 [ 305.076031] 1*32kB [ 305.078621] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.082306] (M) [ 305.084534] ? skb_scrub_packet+0x490/0x490 [ 305.089787] 3*64kB [ 305.091756] ? lock_downgrade+0x900/0x900 [ 305.096048] (UM) [ 305.098286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.102398] 3*128kB (M) [ 305.104465] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.109969] 2*256kB (M) [ 305.112666] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.118102] 3*512kB (M) [ 305.120781] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.126196] 4*1024kB (UM) [ 305.128882] ndisc_alloc_skb+0x144/0x340 [ 305.133257] 3*2048kB [ 305.136095] ndisc_send_rs+0x331/0x6e0 [ 305.140126] (M) [ 305.142538] addrconf_rs_timer+0x3c0/0x6f0 [ 305.146390] 3*4096kB (M) [ 305.148368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.152572] = 25232kB [ 305.152580] Node 0 [ 305.155350] call_timer_fn+0x272/0x920 [ 305.159543] Normal: 1065*4kB [ 305.161957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.164170] (MEH) [ 305.168051] ? process_timeout+0x40/0x40 [ 305.171129] 487*8kB [ 305.175356] ? find_held_lock+0x36/0x1c0 [ 305.177476] (ME) 153*16kB [ 305.181543] ? __run_timers+0x7da/0xc70 [ 305.183827] (MEH) 77*32kB [ 305.187920] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.190739] (UM) [ 305.194704] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.197527] 0*64kB [ 305.202018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.204062] 1*128kB [ 305.208550] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.210762] (H) [ 305.214990] ? trace_hardirqs_on+0xbd/0x310 [ 305.217288] 1*256kB [ 305.221879] ? kasan_check_read+0x11/0x20 [ 305.223830] (U) [ 305.228151] ? __run_timers+0x7da/0xc70 [ 305.230446] 1*512kB [ 305.234594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.236546] (U) [ 305.240518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.242811] 0*1024kB 0*2048kB [ 305.248285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.250236] 0*4096kB [ 305.254471] __run_timers+0x7e5/0xc70 [ 305.257630] = 13964kB [ 305.257650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.261878] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.264258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.268046] ? compat_start_thread+0x80/0x80 [ 305.270435] 412 total pagecache pages [ 305.279268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.284618] 0 pages in swap cache [ 305.293185] ? kasan_check_write+0x14/0x20 [ 305.297568] Swap cache stats: add 0, delete 0, find 0/0 [ 305.301368] ? finish_task_switch+0x2f5/0x900 [ 305.306890] Free swap = 0kB [ 305.310339] ? __switch_to_asm+0x40/0x70 [ 305.314547] Total swap = 0kB [ 305.319908] ? preempt_notifier_register+0x200/0x200 [ 305.324376] 1965979 pages RAM [ 305.327389] ? __switch_to_asm+0x34/0x70 [ 305.331414] 0 pages HighMem/MovableOnly [ 305.331423] 343323 pages reserved [ 305.334437] ? __switch_to_asm+0x40/0x70 [ 305.339951] 0 pages cma reserved [ 305.340029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.343055] ? __switch_to_asm+0x34/0x70 [ 305.343066] ? __switch_to_asm+0x40/0x70 [ 305.343078] ? __switch_to_asm+0x34/0x70 [ 305.343094] ? __switch_to_asm+0x40/0x70 [ 305.347194] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.351112] ? pvclock_read_flags+0x160/0x160 [ 305.354533] syz-executor0 cpuset= [ 305.358585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.361934] syz0 [ 305.368771] ? check_preemption_disabled+0x48/0x200 [ 305.372811] mems_allowed=0 [ 305.376869] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 305.424250] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.429534] ? rcu_pm_notify+0xc0/0xc0 [ 305.433443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.438980] ? check_preemption_disabled+0x48/0x200 [ 305.444005] run_timer_softirq+0x52/0xb0 [ 305.448070] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.453090] __do_softirq+0x30b/0xad8 [ 305.456906] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.462040] ? trace_hardirqs_off_caller+0x300/0x300 [ 305.467149] ? trace_hardirqs_on+0x310/0x310 [ 305.471569] ? schedule+0x108/0x460 [ 305.475207] ? __schedule+0x1ed0/0x1ed0 [ 305.479188] ? trace_hardirqs_off+0xb8/0x300 [ 305.483606] ? ___might_sleep+0x1ed/0x300 [ 305.487757] ? smpboot_thread_fn+0x68b/0xa00 [ 305.492173] ? trace_hardirqs_on+0x310/0x310 [ 305.496585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.502133] ? check_preemption_disabled+0x48/0x200 [ 305.507159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.512703] ? takeover_tasklets+0xa90/0xa90 [ 305.517115] run_ksoftirqd+0x94/0x100 [ 305.520926] smpboot_thread_fn+0x68b/0xa00 [ 305.525168] ? sort_range+0x30/0x30 [ 305.528800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.533902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.539438] ? __kthread_parkme+0xfb/0x1a0 [ 305.543681] kthread+0x35a/0x420 [ 305.547050] ? sort_range+0x30/0x30 [ 305.550674] ? kthread_bind+0x40/0x40 [ 305.554478] ret_from_fork+0x3a/0x50 [ 305.558214] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 305.558293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.565488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.565493] Call Trace: [ 305.565500] [ 305.565517] dump_stack+0x1c4/0x2b4 [ 305.565534] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.572065] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.581368] warn_alloc.cold.118+0xb7/0x1bd [ 305.583918] ksoftirqd/1 cpuset= [ 305.586064] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.589668] / [ 305.594852] ? lock_downgrade+0x900/0x900 [ 305.605140] mems_allowed=0 [ 305.609463] ? trace_hardirqs_off+0xb8/0x300 [ 305.630717] ? trace_hardirqs_off+0xb8/0x300 [ 305.635146] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.640020] ? warn_alloc+0x120/0x120 [ 305.643826] ? warn_alloc+0x120/0x120 [ 305.647628] ? print_usage_bug+0xc0/0xc0 [ 305.651705] ? warn_alloc+0x120/0x120 [ 305.655510] ? print_usage_bug+0xc0/0xc0 [ 305.659575] ? __lock_acquire+0x7ec/0x4ec0 [ 305.663818] ? __lock_acquire+0x7ec/0x4ec0 [ 305.668059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.673604] ? should_fail+0x22d/0xd01 [ 305.677503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.682616] ? __lock_acquire+0x7ec/0x4ec0 [ 305.686861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.691963] ? __lock_acquire+0x7ec/0x4ec0 [ 305.696198] ? should_fail+0x22d/0xd01 [ 305.700101] ? mark_held_locks+0x130/0x130 [ 305.704339] ? mark_held_locks+0x130/0x130 [ 305.708577] ? graph_lock+0x170/0x170 [ 305.712397] ? graph_lock+0x170/0x170 [ 305.716201] ? graph_lock+0x170/0x170 [ 305.720011] ? print_usage_bug+0xc0/0xc0 [ 305.724080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.729629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.735175] ? check_preemption_disabled+0x48/0x200 [ 305.740188] ? check_preemption_disabled+0x48/0x200 [ 305.745215] ? __lock_is_held+0xb5/0x140 [ 305.749283] __alloc_pages_nodemask+0xa80/0xde0 [ 305.753976] ? graph_lock+0x170/0x170 [ 305.757779] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.762793] ? graph_lock+0x170/0x170 [ 305.766612] ? find_held_lock+0x36/0x1c0 [ 305.770688] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.775358] ? lock_downgrade+0x900/0x900 [ 305.779515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.785064] cache_grow_begin+0x91/0x8c0 [ 305.789130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.793550] fallback_alloc+0x203/0x2e0 [ 305.797531] ____cache_alloc_node+0x1c7/0x1e0 [ 305.802036] kmem_cache_alloc_node+0xe3/0x730 [ 305.806533] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.810780] __alloc_skb+0x119/0x770 [ 305.814495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.819780] ? skb_scrub_packet+0x490/0x490 [ 305.824105] ? lock_downgrade+0x900/0x900 [ 305.828263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.833806] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.839262] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.844716] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.849140] ndisc_alloc_skb+0x144/0x340 [ 305.853211] ndisc_send_rs+0x331/0x6e0 [ 305.857107] addrconf_rs_timer+0x3c0/0x6f0 [ 305.861347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.865604] call_timer_fn+0x272/0x920 [ 305.869491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.873738] ? process_timeout+0x40/0x40 [ 305.877807] ? find_held_lock+0x36/0x1c0 [ 305.881880] ? __run_timers+0x7da/0xc70 [ 305.885861] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.890360] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.894857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.899097] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.903684] ? trace_hardirqs_on+0xbd/0x310 [ 305.908095] ? kasan_check_read+0x11/0x20 [ 305.912247] ? __run_timers+0x7da/0xc70 [ 305.916226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.921685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.925927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.930163] __run_timers+0x7e5/0xc70 [ 305.933984] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.939355] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.944383] ? graph_lock+0x170/0x170 [ 305.948191] ? enqueue_hrtimer+0x1a5/0x560 [ 305.952440] ? lock_release+0x970/0x970 [ 305.956414] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.961621] ? find_held_lock+0x36/0x1c0 [ 305.965694] ? graph_lock+0x170/0x170 [ 305.969497] ? pvclock_read_flags+0x160/0x160 [ 305.973994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.979542] ? check_preemption_disabled+0x48/0x200 [ 305.984596] ? __lock_is_held+0xb5/0x140 [ 305.988675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.994210] ? check_preemption_disabled+0x48/0x200 [ 305.999235] run_timer_softirq+0x52/0xb0 [ 306.003298] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.008317] __do_softirq+0x30b/0xad8 [ 306.012129] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.017237] ? pvclock_read_flags+0x160/0x160 [ 306.021732] ? lapic_next_event+0x5a/0x90 [ 306.025882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.031419] ? check_preemption_disabled+0x48/0x200 [ 306.036451] ? check_preemption_disabled+0x48/0x200 [ 306.041476] ? kvm_clock_read+0x18/0x30 [ 306.045450] ? kvm_sched_clock_read+0x9/0x20 [ 306.049865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.055405] ? check_preemption_disabled+0x48/0x200 [ 306.060438] irq_exit+0x17f/0x1c0 [ 306.063896] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.068738] ? smp_reschedule_interrupt+0x109/0x650 [ 306.073756] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.079641] ? interrupt_entry+0xb5/0xf0 [ 306.083710] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.088729] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.093747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.098599] ? trace_hardirqs_off+0x300/0x300 [ 306.103094] ? trace_hardirqs_off+0x300/0x300 [ 306.107597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.113134] ? check_preemption_disabled+0x48/0x200 [ 306.118159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.123707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.128563] apic_timer_interrupt+0xf/0x20 [ 306.132803] [ 306.135045] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.139985] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 306.158974] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 306.166685] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.173953] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 306.181218] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 306.188488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 306.195755] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 306.203068] skb_clone+0x1bb/0x500 [ 306.206615] ? finish_task_switch+0x1b5/0x900 [ 306.211119] ? skb_split+0x11e0/0x11e0 [ 306.215009] ? preempt_notifier_register+0x200/0x200 [ 306.220115] ? __switch_to_asm+0x34/0x70 [ 306.224173] ? __switch_to_asm+0x34/0x70 [ 306.228235] ? __switch_to_asm+0x40/0x70 [ 306.232293] ? __switch_to_asm+0x34/0x70 [ 306.236349] ? __switch_to_asm+0x40/0x70 [ 306.240408] ? __switch_to_asm+0x34/0x70 [ 306.244469] ? __switch_to_asm+0x40/0x70 [ 306.248528] ? __switch_to_asm+0x34/0x70 [ 306.252586] ? __switch_to_asm+0x34/0x70 [ 306.256657] ? __switch_to_asm+0x40/0x70 [ 306.260716] ? __switch_to_asm+0x34/0x70 [ 306.264785] bpf_clone_redirect+0xb9/0x490 [ 306.269025] ? __schedule+0x874/0x1ed0 [ 306.272919] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 306.277939] ? __sched_text_start+0x8/0x8 [ 306.282086] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.286857] ? find_held_lock+0x36/0x1c0 [ 306.290926] ? lock_acquire+0x1ed/0x520 [ 306.294898] ? bpf_test_run+0x32e/0x5a0 [ 306.298873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.304411] ? check_preemption_disabled+0x48/0x200 [ 306.309431] ? kasan_check_read+0x11/0x20 [ 306.313586] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.318872] ? rcu_bh_qs+0xc0/0xc0 [ 306.322415] ? preempt_schedule+0x4d/0x60 [ 306.326563] ? ___preempt_schedule+0x16/0x18 [ 306.330984] ? bpf_test_run+0x1c0/0x5a0 [ 306.335010] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.339878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.345417] ? bpf_test_init.isra.9+0x70/0x100 [ 306.350004] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.354767] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.359614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.365157] ? fput+0x130/0x1a0 [ 306.368444] ? __bpf_prog_get+0x9b/0x290 [ 306.372508] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.377347] ? bpf_prog_test_run+0x130/0x1a0 [ 306.381760] ? __x64_sys_bpf+0x3d8/0x510 [ 306.385818] ? bpf_prog_get+0x20/0x20 [ 306.389631] ? ksys_ioctl+0x81/0xd0 [ 306.393274] ? do_syscall_64+0x1b9/0x820 [ 306.397335] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.402700] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.407632] ? trace_hardirqs_off+0x300/0x300 [ 306.412131] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.417149] ? recalc_sigpending_tsk+0x180/0x180 [ 306.421905] ? kasan_check_write+0x14/0x20 [ 306.426152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.431011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.436387] warn_alloc_show_mem: 1 callbacks suppressed [ 306.436399] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 306.436401] Mem-Info: [ 306.436434] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 306.436434] active_file:14 inactive_file:18 isolated_file:1 [ 306.436434] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.436434] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 306.436434] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 306.436434] free:13768 free_pcp:583 free_cma:0 [ 306.441787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.448639] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.451035] Call Trace: [ 306.484176] Node 0 [ 306.493540] dump_stack+0x1c4/0x2b4 [ 306.521219] 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 [ 306.523789] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.525988] lowmem_reserve[]: [ 306.529625] warn_alloc.cold.118+0xb7/0x1bd [ 306.555100] 0 [ 306.560293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.563368] 2815 [ 306.567688] ? lock_downgrade+0x900/0x900 [ 306.569466] 6318 [ 306.574307] ? trace_hardirqs_off+0xb8/0x300 [ 306.576339] 6318 [ 306.580484] ? trace_hardirqs_off+0xb8/0x300 [ 306.586931] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.588965] Node 0 [ 306.593390] ? warn_alloc+0x120/0x120 [ 306.598219] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 306.600426] ? warn_alloc+0x120/0x120 [ 306.604197] lowmem_reserve[]: [ 306.631088] ? print_usage_bug+0xc0/0xc0 [ 306.634864] 0 [ 306.637964] ? warn_alloc+0x120/0x120 [ 306.641996] 0 3503 [ 306.643807] ? print_usage_bug+0xc0/0xc0 [ 306.647597] 3503 [ 306.649834] ? __lock_acquire+0x7ec/0x4ec0 [ 306.655935] ? __lock_acquire+0x7ec/0x4ec0 [ 306.660143] Node 0 [ 306.664375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.664407] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 306.664414] lowmem_reserve[]: [ 306.666651] ? should_fail+0x22d/0xd01 [ 306.672162] 0 [ 306.700622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.703699] 0 [ 306.707578] ? __lock_acquire+0x7ec/0x4ec0 [ 306.709362] 0 [ 306.714458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.716235] 0 [ 306.720470] ? __lock_acquire+0x7ec/0x4ec0 [ 306.727344] ? should_fail+0x22d/0xd01 [ 306.729121] Node 0 [ 306.733354] ? mark_held_locks+0x130/0x130 [ 306.737210] DMA: [ 306.739444] ? mark_held_locks+0x130/0x130 [ 306.743661] 1*4kB [ 306.745719] ? graph_lock+0x170/0x170 [ 306.749929] (U) [ 306.752070] ? graph_lock+0x170/0x170 [ 306.755844] 0*8kB [ 306.757812] ? graph_lock+0x170/0x170 [ 306.761599] 0*16kB [ 306.763748] ? print_usage_bug+0xc0/0xc0 [ 306.767598] 1*32kB [ 306.769829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.773855] (U) 2*64kB [ 306.776094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.781613] (U) [ 306.784191] ? check_preemption_disabled+0x48/0x200 [ 306.789704] 1*128kB [ 306.791677] ? check_preemption_disabled+0x48/0x200 [ 306.796673] (U) [ 306.798997] ? __lock_is_held+0xb5/0x140 [ 306.803977] 1*256kB (U) [ 306.805959] __alloc_pages_nodemask+0xa80/0xde0 [ 306.809992] 0*512kB [ 306.812656] ? graph_lock+0x170/0x170 [ 306.817316] 1*1024kB [ 306.819634] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.823403] (U) [ 306.825807] ? graph_lock+0x170/0x170 [ 306.830799] 1*2048kB [ 306.832777] ? find_held_lock+0x36/0x1c0 [ 306.836542] (M) [ 306.838957] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.842980] 3*4096kB (M) [ 306.844959] ? lock_downgrade+0x900/0x900 [ 306.849611] = 15908kB [ 306.852367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.856487] Node 0 [ 306.858897] cache_grow_begin+0x91/0x8c0 [ 306.864413] DMA32: [ 306.866646] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.870706] 4*4kB [ 306.872943] fallback_alloc+0x203/0x2e0 [ 306.877321] (UM) [ 306.879468] ____cache_alloc_node+0x1c7/0x1e0 [ 306.883414] 2*8kB [ 306.885475] kmem_cache_alloc_node+0xe3/0x730 [ 306.889951] (M) 1*16kB [ 306.892115] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.896582] (M) [ 306.899194] __alloc_skb+0x119/0x770 [ 306.903392] 1*32kB (M) [ 306.905375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.909053] 3*64kB (UM) [ 306.911641] ? skb_scrub_packet+0x490/0x490 [ 306.916892] 3*128kB (M) [ 306.919564] ? lock_downgrade+0x900/0x900 [ 306.923861] 2*256kB [ 306.926529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.930651] (M) [ 306.932978] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.938486] 3*512kB [ 306.940454] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.945870] (M) 4*1024kB [ 306.948202] ? addrconf_rs_timer+0x6f0/0x6f0 [ 306.953622] (UM) [ 306.956392] ndisc_alloc_skb+0x144/0x340 [ 306.960776] 3*2048kB [ 306.962834] ndisc_send_rs+0x331/0x6e0 [ 306.966909] (M) [ 306.969338] addrconf_rs_timer+0x3c0/0x6f0 [ 306.973207] 3*4096kB [ 306.975193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.979397] (M) [ 306.981813] call_timer_fn+0x272/0x920 [ 306.986007] = 25232kB [ 306.986015] Node 0 [ 306.987986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.991843] Normal: 1065*4kB [ 306.994261] ? process_timeout+0x40/0x40 [ 306.996472] (MEH) [ 307.000694] ? find_held_lock+0x36/0x1c0 [ 307.000718] ? __run_timers+0x7da/0xc70 [ 307.003795] 487*8kB [ 307.007851] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.009972] (ME) [ 307.014029] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.017992] 153*16kB [ 307.020308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.024773] (MEH) [ 307.026835] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.031306] 77*32kB [ 307.033725] ? trace_hardirqs_on+0xbd/0x310 [ 307.037933] (UM) [ 307.040079] ? kasan_check_read+0x11/0x20 [ 307.044639] 0*64kB [ 307.046960] ? __run_timers+0x7da/0xc70 [ 307.051256] 1*128kB [ 307.053315] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.057434] (H) [ 307.059674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.063614] 1*256kB (U) [ 307.065942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.071362] 1*512kB [ 307.073331] __run_timers+0x7e5/0xc70 [ 307.077532] (U) 0*1024kB [ 307.080214] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.084413] 0*2048kB [ 307.086732] ? compat_start_thread+0x80/0x80 [ 307.090506] 0*4096kB [ 307.093255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.098596] = 13964kB [ 307.098611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.101010] ? kasan_check_write+0x14/0x20 [ 307.105400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.107801] ? finish_task_switch+0x2f5/0x900 [ 307.113313] 412 total pagecache pages [ 307.115715] ? __switch_to_asm+0x40/0x70 [ 307.124531] 0 pages in swap cache [ 307.128754] ? preempt_notifier_register+0x200/0x200 [ 307.137302] Swap cache stats: add 0, delete 0, find 0/0 [ 307.137311] Free swap = 0kB [ 307.141800] ? __switch_to_asm+0x34/0x70 [ 307.145577] Total swap = 0kB [ 307.149637] ? __switch_to_asm+0x40/0x70 [ 307.153071] 1965979 pages RAM [ 307.158171] ? __switch_to_asm+0x34/0x70 [ 307.163503] 0 pages HighMem/MovableOnly [ 307.163511] 343323 pages reserved [ 307.166522] ? __switch_to_asm+0x40/0x70 [ 307.170561] 0 pages cma reserved [ 307.173570] ? __switch_to_asm+0x34/0x70 [ 307.177702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.180702] ? __switch_to_asm+0x40/0x70 [ 307.180727] ? pvclock_read_flags+0x160/0x160 [ 307.184850] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.188734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.192164] syz-executor0 cpuset= [ 307.196217] ? check_preemption_disabled+0x48/0x200 [ 307.199560] syz0 [ 307.203622] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 307.210084] mems_allowed=0 [ 307.214138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.258720] ? rcu_pm_notify+0xc0/0xc0 [ 307.262626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.268171] ? check_preemption_disabled+0x48/0x200 [ 307.273199] run_timer_softirq+0x52/0xb0 [ 307.277260] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.282278] __do_softirq+0x30b/0xad8 [ 307.286095] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.291199] ? trace_hardirqs_off_caller+0x300/0x300 [ 307.296299] ? trace_hardirqs_on+0x310/0x310 [ 307.300716] ? schedule+0x108/0x460 [ 307.304349] ? __schedule+0x1ed0/0x1ed0 [ 307.308339] ? trace_hardirqs_off+0xb8/0x300 [ 307.312749] ? ___might_sleep+0x1ed/0x300 [ 307.316915] ? smpboot_thread_fn+0x68b/0xa00 [ 307.321333] ? trace_hardirqs_on+0x310/0x310 [ 307.325743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.331282] ? check_preemption_disabled+0x48/0x200 [ 307.336295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.342052] ? takeover_tasklets+0xa90/0xa90 [ 307.346469] run_ksoftirqd+0x94/0x100 [ 307.350272] smpboot_thread_fn+0x68b/0xa00 [ 307.354509] ? sort_range+0x30/0x30 [ 307.358139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.363247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.368799] ? __kthread_parkme+0xfb/0x1a0 [ 307.373047] kthread+0x35a/0x420 [ 307.376414] ? sort_range+0x30/0x30 [ 307.380037] ? kthread_bind+0x40/0x40 [ 307.383842] ret_from_fork+0x3a/0x50 [ 307.387576] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 307.387680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.394855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.394861] Call Trace: [ 307.394868] [ 307.394884] dump_stack+0x1c4/0x2b4 [ 307.394901] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.401431] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.410732] warn_alloc.cold.118+0xb7/0x1bd [ 307.413282] ksoftirqd/1 cpuset= [ 307.415425] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.419025] / [ 307.424215] ? lock_downgrade+0x900/0x900 [ 307.434723] mems_allowed=0 [ 307.439041] ? trace_hardirqs_off+0xb8/0x300 [ 307.460279] ? trace_hardirqs_off+0xb8/0x300 [ 307.464707] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.469580] ? warn_alloc+0x120/0x120 [ 307.473390] ? trace_hardirqs_on+0x310/0x310 [ 307.477811] ? warn_alloc+0x120/0x120 [ 307.481637] ? print_usage_bug+0xc0/0xc0 [ 307.485706] ? warn_alloc+0x120/0x120 [ 307.489504] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.494520] ? print_usage_bug+0xc0/0xc0 [ 307.498582] ? __lock_acquire+0x7ec/0x4ec0 [ 307.502825] ? __lock_acquire+0x7ec/0x4ec0 [ 307.507066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.512611] ? should_fail+0x22d/0xd01 [ 307.516508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.521620] ? __lock_acquire+0x7ec/0x4ec0 [ 307.525865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.530963] ? __lock_acquire+0x7ec/0x4ec0 [ 307.535195] ? should_fail+0x22d/0xd01 [ 307.539081] ? print_usage_bug+0xc0/0xc0 [ 307.543151] ? mark_held_locks+0x130/0x130 [ 307.547391] ? mark_held_locks+0x130/0x130 [ 307.551637] ? graph_lock+0x170/0x170 [ 307.555445] ? print_usage_bug+0xc0/0xc0 [ 307.559518] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.564277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.569814] ? check_preemption_disabled+0x48/0x200 [ 307.574828] ? check_preemption_disabled+0x48/0x200 [ 307.579854] ? __lock_is_held+0xb5/0x140 [ 307.583941] __alloc_pages_nodemask+0xa80/0xde0 [ 307.588622] ? graph_lock+0x170/0x170 [ 307.592434] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.597445] ? graph_lock+0x170/0x170 [ 307.601257] ? find_held_lock+0x36/0x1c0 [ 307.605327] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.610000] ? lock_downgrade+0x900/0x900 [ 307.614161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.619717] cache_grow_begin+0x91/0x8c0 [ 307.623780] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.628198] fallback_alloc+0x203/0x2e0 [ 307.632219] ____cache_alloc_node+0x1c7/0x1e0 [ 307.636734] kmem_cache_alloc_node+0xe3/0x730 [ 307.641229] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.645476] __alloc_skb+0x119/0x770 [ 307.649193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.654483] ? skb_scrub_packet+0x490/0x490 [ 307.658806] ? lock_downgrade+0x900/0x900 [ 307.662966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.668504] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.673958] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.679410] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.683832] ndisc_alloc_skb+0x144/0x340 [ 307.687898] ndisc_send_rs+0x331/0x6e0 [ 307.691792] addrconf_rs_timer+0x3c0/0x6f0 [ 307.696032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.700285] call_timer_fn+0x272/0x920 [ 307.704172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.708412] ? process_timeout+0x40/0x40 [ 307.712470] ? find_held_lock+0x36/0x1c0 [ 307.716550] ? __run_timers+0x7da/0xc70 [ 307.720527] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.725020] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.729518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.733753] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.738340] ? trace_hardirqs_on+0xbd/0x310 [ 307.742665] ? kasan_check_read+0x11/0x20 [ 307.746813] ? __run_timers+0x7da/0xc70 [ 307.750788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.756282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.760553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.764791] __run_timers+0x7e5/0xc70 [ 307.768612] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.773986] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.779006] ? graph_lock+0x170/0x170 [ 307.782814] ? enqueue_hrtimer+0x1a5/0x560 [ 307.787048] ? lock_release+0x970/0x970 [ 307.791025] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.796219] ? find_held_lock+0x36/0x1c0 [ 307.800285] ? graph_lock+0x170/0x170 [ 307.804087] ? pvclock_read_flags+0x160/0x160 [ 307.808587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.814131] ? check_preemption_disabled+0x48/0x200 [ 307.819163] ? __lock_is_held+0xb5/0x140 [ 307.823226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.828762] ? check_preemption_disabled+0x48/0x200 [ 307.833787] run_timer_softirq+0x52/0xb0 [ 307.837849] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.842866] __do_softirq+0x30b/0xad8 [ 307.846687] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.851798] ? pvclock_read_flags+0x160/0x160 [ 307.856295] ? lapic_next_event+0x5a/0x90 [ 307.860449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.865989] ? check_preemption_disabled+0x48/0x200 [ 307.871004] ? check_preemption_disabled+0x48/0x200 [ 307.876032] ? kvm_clock_read+0x18/0x30 [ 307.880018] ? kvm_sched_clock_read+0x9/0x20 [ 307.884427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.889962] ? check_preemption_disabled+0x48/0x200 [ 307.894993] irq_exit+0x17f/0x1c0 [ 307.898453] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.903299] ? smp_reschedule_interrupt+0x109/0x650 [ 307.908321] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.914208] ? interrupt_entry+0xb5/0xf0 [ 307.918279] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.923294] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.928312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.933182] ? trace_hardirqs_off+0x300/0x300 [ 307.937679] ? trace_hardirqs_off+0x300/0x300 [ 307.942182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.947716] ? check_preemption_disabled+0x48/0x200 [ 307.952732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.958305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.963169] apic_timer_interrupt+0xf/0x20 [ 307.967400] [ 307.969662] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 307.974604] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 307.993508] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 308.001220] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 308.008485] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 308.015753] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 308.023022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 308.030288] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 308.037617] skb_clone+0x1bb/0x500 [ 308.041164] ? finish_task_switch+0x1b5/0x900 [ 308.045678] ? skb_split+0x11e0/0x11e0 [ 308.049568] ? preempt_notifier_register+0x200/0x200 [ 308.054691] ? __switch_to_asm+0x34/0x70 [ 308.058758] ? __switch_to_asm+0x34/0x70 [ 308.062816] ? __switch_to_asm+0x40/0x70 [ 308.066874] ? __switch_to_asm+0x34/0x70 [ 308.070943] ? __switch_to_asm+0x40/0x70 [ 308.075014] ? __switch_to_asm+0x34/0x70 [ 308.079171] ? __switch_to_asm+0x40/0x70 [ 308.083232] ? __switch_to_asm+0x34/0x70 [ 308.087292] ? __switch_to_asm+0x34/0x70 [ 308.091353] ? __switch_to_asm+0x40/0x70 [ 308.095421] ? __switch_to_asm+0x34/0x70 [ 308.099495] bpf_clone_redirect+0xb9/0x490 [ 308.103742] ? __schedule+0x874/0x1ed0 [ 308.107638] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 308.112675] ? __sched_text_start+0x8/0x8 [ 308.116830] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.121611] ? find_held_lock+0x36/0x1c0 [ 308.125688] ? lock_acquire+0x1ed/0x520 [ 308.129670] ? bpf_test_run+0x32e/0x5a0 [ 308.133657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.139196] ? check_preemption_disabled+0x48/0x200 [ 308.144219] ? kasan_check_read+0x11/0x20 [ 308.148371] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.153655] ? rcu_bh_qs+0xc0/0xc0 [ 308.157209] ? preempt_schedule+0x4d/0x60 [ 308.161358] ? ___preempt_schedule+0x16/0x18 [ 308.165779] ? bpf_test_run+0x1c0/0x5a0 [ 308.169765] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.174180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.179720] ? bpf_test_init.isra.9+0x70/0x100 [ 308.184318] ? bpf_prog_test_run_skb+0x634/0xb40 [ 308.189083] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.194029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.199565] ? fput+0x130/0x1a0 [ 308.202861] ? __bpf_prog_get+0x9b/0x290 [ 308.206927] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.211773] ? bpf_prog_test_run+0x130/0x1a0 [ 308.216215] ? __x64_sys_bpf+0x3d8/0x510 [ 308.220278] ? bpf_prog_get+0x20/0x20 [ 308.224087] ? ksys_ioctl+0x81/0xd0 [ 308.227725] ? do_syscall_64+0x1b9/0x820 [ 308.231788] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.237152] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.242083] ? trace_hardirqs_off+0x300/0x300 [ 308.246579] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 308.251612] ? recalc_sigpending_tsk+0x180/0x180 [ 308.256372] ? kasan_check_write+0x14/0x20 [ 308.260622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.265487] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.270867] warn_alloc_show_mem: 1 callbacks suppressed [ 308.270878] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 308.270880] Mem-Info: [ 308.270913] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 308.270913] active_file:14 inactive_file:18 isolated_file:1 [ 308.270913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.270913] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 308.270913] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 308.270913] free:13768 free_pcp:583 free_cma:0 [ 308.276248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.283095] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.285493] Call Trace: [ 308.318363] Node 0 [ 308.327724] dump_stack+0x1c4/0x2b4 [ 308.355412] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 308.357971] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.360173] lowmem_reserve[]: 0 [ 308.363813] warn_alloc.cold.118+0xb7/0x1bd [ 308.389274] 2815 6318 [ 308.394471] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.397720] 6318 [ 308.402036] ? lock_downgrade+0x900/0x900 [ 308.409345] ? trace_hardirqs_off+0xb8/0x300 [ 308.411379] Node 0 [ 308.415520] ? trace_hardirqs_off+0xb8/0x300 [ 308.419928] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 308.422194] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.426597] lowmem_reserve[]: [ 308.453509] ? warn_alloc+0x120/0x120 [ 308.458302] 0 [ 308.461403] ? warn_alloc+0x120/0x120 [ 308.465179] 0 [ 308.466976] ? print_usage_bug+0xc0/0xc0 [ 308.470948] 3503 [ 308.472754] ? warn_alloc+0x120/0x120 [ 308.476788] 3503 [ 308.478846] ? print_usage_bug+0xc0/0xc0 [ 308.484684] ? __lock_acquire+0x7ec/0x4ec0 [ 308.488725] Node 0 [ 308.492947] ? __lock_acquire+0x7ec/0x4ec0 [ 308.492983] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 308.495193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.499396] lowmem_reserve[]: 0 [ 308.527863] ? should_fail+0x22d/0xd01 [ 308.533377] 0 [ 308.536652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.540509] 0 0 [ 308.542315] ? __lock_acquire+0x7ec/0x4ec0 [ 308.549361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.553570] Node 0 [ 308.558665] ? __lock_acquire+0x7ec/0x4ec0 [ 308.558681] ? should_fail+0x22d/0xd01 [ 308.560899] DMA: [ 308.565133] ? mark_held_locks+0x130/0x130 [ 308.568991] 1*4kB [ 308.571050] ? mark_held_locks+0x130/0x130 [ 308.575259] (U) [ 308.577401] ? graph_lock+0x170/0x170 [ 308.581622] 0*8kB [ 308.583598] ? graph_lock+0x170/0x170 [ 308.587374] 0*16kB [ 308.589518] ? graph_lock+0x170/0x170 [ 308.593293] 1*32kB [ 308.595526] ? print_usage_bug+0xc0/0xc0 [ 308.599301] (U) [ 308.601535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.605566] 2*64kB [ 308.607552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.613065] (U) [ 308.615293] ? check_preemption_disabled+0x48/0x200 [ 308.620805] 1*128kB [ 308.622770] ? check_preemption_disabled+0x48/0x200 [ 308.627763] (U) [ 308.630085] ? __lock_is_held+0xb5/0x140 [ 308.635068] 1*256kB [ 308.637040] __alloc_pages_nodemask+0xa80/0xde0 [ 308.641073] (U) [ 308.643389] ? graph_lock+0x170/0x170 [ 308.648036] 0*512kB [ 308.650006] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.653780] 1*1024kB [ 308.656093] ? graph_lock+0x170/0x170 [ 308.661081] (U) [ 308.663490] ? find_held_lock+0x36/0x1c0 [ 308.667261] 1*2048kB [ 308.669239] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.673284] (M) [ 308.675691] ? lock_downgrade+0x900/0x900 [ 308.680337] 3*4096kB [ 308.682313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.686429] (M) [ 308.688838] cache_grow_begin+0x91/0x8c0 [ 308.694342] = 15908kB [ 308.694350] Node 0 [ 308.696319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.700352] DMA32: [ 308.702759] fallback_alloc+0x203/0x2e0 [ 308.704966] 4*4kB [ 308.709369] ____cache_alloc_node+0x1c7/0x1e0 [ 308.711582] (UM) [ 308.715558] kmem_cache_alloc_node+0xe3/0x730 [ 308.717682] 2*8kB [ 308.722175] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.724211] (M) [ 308.728708] __alloc_skb+0x119/0x770 [ 308.730832] 1*16kB [ 308.735063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.737007] (M) [ 308.740714] ? skb_scrub_packet+0x490/0x490 [ 308.742925] 1*32kB [ 308.748208] ? lock_downgrade+0x900/0x900 [ 308.750153] (M) 3*64kB [ 308.754493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.756702] (UM) [ 308.760851] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.763408] 3*128kB [ 308.768939] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.770975] (M) [ 308.776420] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.778718] 2*256kB [ 308.784176] ndisc_alloc_skb+0x144/0x340 [ 308.786112] (M) [ 308.790518] ndisc_send_rs+0x331/0x6e0 [ 308.792814] 3*512kB [ 308.796872] addrconf_rs_timer+0x3c0/0x6f0 [ 308.798819] (M) [ 308.802711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.805012] 4*1024kB [ 308.809252] call_timer_fn+0x272/0x920 [ 308.811193] (UM) [ 308.815419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.817799] 3*2048kB (M) [ 308.821692] ? process_timeout+0x40/0x40 [ 308.823734] 3*4096kB [ 308.827961] ? find_held_lock+0x36/0x1c0 [ 308.830690] (M) [ 308.834751] ? __run_timers+0x7da/0xc70 [ 308.837154] = 25232kB [ 308.837162] Node 0 [ 308.841218] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.843168] Normal: [ 308.847134] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.849521] 1065*4kB [ 308.851754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.856219] (MEH) [ 308.858538] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.863005] 487*8kB [ 308.865409] ? trace_hardirqs_on+0xbd/0x310 [ 308.869618] (ME) [ 308.871762] ? kasan_check_read+0x11/0x20 [ 308.876318] 153*16kB [ 308.878635] ? __run_timers+0x7da/0xc70 [ 308.882930] (MEH) [ 308.884987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.889112] 77*32kB [ 308.891521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.895466] (UM) [ 308.897619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.903037] 0*64kB 1*128kB [ 308.905365] __run_timers+0x7e5/0xc70 [ 308.909570] (H) [ 308.911643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.915841] 1*256kB [ 308.918763] ? compat_start_thread+0x80/0x80 [ 308.922556] (U) [ 308.924528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.929864] 1*512kB [ 308.932188] ? kasan_check_write+0x14/0x20 [ 308.936570] (U) [ 308.938550] ? finish_task_switch+0x2f5/0x900 [ 308.944053] 0*1024kB 0*2048kB [ 308.946382] ? __switch_to_asm+0x40/0x70 [ 308.950587] 0*4096kB [ 308.952567] ? preempt_notifier_register+0x200/0x200 [ 308.957037] = 13964kB [ 308.960223] ? __switch_to_asm+0x34/0x70 [ 308.964267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.966667] ? __switch_to_asm+0x40/0x70 [ 308.971755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.974157] ? __switch_to_asm+0x34/0x70 [ 308.978188] 412 total pagecache pages [ 308.987019] ? __switch_to_asm+0x40/0x70 [ 308.991059] 0 pages in swap cache [ 308.999626] ? __switch_to_asm+0x34/0x70 [ 309.003667] Swap cache stats: add 0, delete 0, find 0/0 [ 309.007454] ? __switch_to_asm+0x40/0x70 [ 309.011492] Free swap = 0kB [ 309.014947] ? pvclock_read_flags+0x160/0x160 [ 309.018976] Total swap = 0kB [ 309.024336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.028369] 1965979 pages RAM [ 309.031376] ? check_preemption_disabled+0x48/0x200 [ 309.035845] 0 pages HighMem/MovableOnly [ 309.038862] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 309.044365] 343323 pages reserved [ 309.047466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.052455] 0 pages cma reserved [ 309.056418] ? rcu_pm_notify+0xc0/0xc0 [ 309.062008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.065373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.065386] ? check_preemption_disabled+0x48/0x200 [ 309.065409] run_timer_softirq+0x52/0xb0 [ 309.070725] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.074026] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.077889] syz-executor0 cpuset= [ 309.084379] __do_softirq+0x30b/0xad8 [ 309.089887] syz0 [ 309.094905] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.098935] mems_allowed=0 [ 309.109406] ? trace_hardirqs_off_caller+0x300/0x300 [ 309.109422] ? trace_hardirqs_on+0x310/0x310 [ 309.141106] ? schedule+0x108/0x460 [ 309.144744] ? __schedule+0x1ed0/0x1ed0 [ 309.148728] ? trace_hardirqs_off+0xb8/0x300 [ 309.153137] ? ___might_sleep+0x1ed/0x300 [ 309.157289] ? smpboot_thread_fn+0x68b/0xa00 [ 309.161700] ? trace_hardirqs_on+0x310/0x310 [ 309.166112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.171652] ? check_preemption_disabled+0x48/0x200 [ 309.176673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.182224] ? takeover_tasklets+0xa90/0xa90 [ 309.186641] run_ksoftirqd+0x94/0x100 [ 309.190449] smpboot_thread_fn+0x68b/0xa00 [ 309.194688] ? sort_range+0x30/0x30 [ 309.198319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.203432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.208975] ? __kthread_parkme+0xfb/0x1a0 [ 309.213218] kthread+0x35a/0x420 [ 309.216612] ? sort_range+0x30/0x30 [ 309.220239] ? kthread_bind+0x40/0x40 [ 309.224044] ret_from_fork+0x3a/0x50 [ 309.227776] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 309.227863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.235046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.235052] Call Trace: [ 309.235059] [ 309.235075] dump_stack+0x1c4/0x2b4 [ 309.235092] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.241633] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.250925] warn_alloc.cold.118+0xb7/0x1bd [ 309.253474] ksoftirqd/1 cpuset= [ 309.255625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.259232] / [ 309.264416] ? lock_downgrade+0x900/0x900 [ 309.274702] mems_allowed=0 [ 309.279020] ? trace_hardirqs_off+0xb8/0x300 [ 309.300245] ? trace_hardirqs_off+0xb8/0x300 [ 309.304671] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.309545] ? warn_alloc+0x120/0x120 [ 309.313353] ? warn_alloc+0x120/0x120 [ 309.317158] ? print_usage_bug+0xc0/0xc0 [ 309.321219] ? warn_alloc+0x120/0x120 [ 309.325020] ? print_usage_bug+0xc0/0xc0 [ 309.329083] ? __lock_acquire+0x7ec/0x4ec0 [ 309.333318] ? __lock_acquire+0x7ec/0x4ec0 [ 309.337559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.343519] ? should_fail+0x22d/0xd01 [ 309.347412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.352517] ? __lock_acquire+0x7ec/0x4ec0 [ 309.356758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.361863] ? __lock_acquire+0x7ec/0x4ec0 [ 309.366097] ? should_fail+0x22d/0xd01 [ 309.369998] ? mark_held_locks+0x130/0x130 [ 309.374239] ? mark_held_locks+0x130/0x130 [ 309.378478] ? graph_lock+0x170/0x170 [ 309.382309] ? graph_lock+0x170/0x170 [ 309.386115] ? graph_lock+0x170/0x170 [ 309.389918] ? print_usage_bug+0xc0/0xc0 [ 309.393982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.399521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.405058] ? check_preemption_disabled+0x48/0x200 [ 309.410071] ? check_preemption_disabled+0x48/0x200 [ 309.415098] ? __lock_is_held+0xb5/0x140 [ 309.419165] __alloc_pages_nodemask+0xa80/0xde0 [ 309.423837] ? graph_lock+0x170/0x170 [ 309.427646] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.433347] ? graph_lock+0x170/0x170 [ 309.437162] ? find_held_lock+0x36/0x1c0 [ 309.441235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.445904] ? lock_downgrade+0x900/0x900 [ 309.450063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.455616] cache_grow_begin+0x91/0x8c0 [ 309.459682] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.464099] fallback_alloc+0x203/0x2e0 [ 309.468084] ____cache_alloc_node+0x1c7/0x1e0 [ 309.472584] kmem_cache_alloc_node+0xe3/0x730 [ 309.477092] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.481335] __alloc_skb+0x119/0x770 [ 309.485051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.490333] ? skb_scrub_packet+0x490/0x490 [ 309.494658] ? lock_downgrade+0x900/0x900 [ 309.498816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.504356] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.509813] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.515265] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.519693] ndisc_alloc_skb+0x144/0x340 [ 309.523760] ndisc_send_rs+0x331/0x6e0 [ 309.527658] addrconf_rs_timer+0x3c0/0x6f0 [ 309.531900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.536148] call_timer_fn+0x272/0x920 [ 309.540036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.544275] ? process_timeout+0x40/0x40 [ 309.548331] ? find_held_lock+0x36/0x1c0 [ 309.552399] ? __run_timers+0x7da/0xc70 [ 309.556375] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.560866] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.565360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.569600] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.574190] ? trace_hardirqs_on+0xbd/0x310 [ 309.578511] ? kasan_check_read+0x11/0x20 [ 309.582667] ? __run_timers+0x7da/0xc70 [ 309.586641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.592111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.596355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.600587] __run_timers+0x7e5/0xc70 [ 309.604411] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.609776] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.614794] ? graph_lock+0x170/0x170 [ 309.618608] ? enqueue_hrtimer+0x1a5/0x560 [ 309.622842] ? lock_release+0x970/0x970 [ 309.626816] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.632014] ? find_held_lock+0x36/0x1c0 [ 309.636079] ? graph_lock+0x170/0x170 [ 309.639880] ? pvclock_read_flags+0x160/0x160 [ 309.644380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.649919] ? check_preemption_disabled+0x48/0x200 [ 309.654948] ? __lock_is_held+0xb5/0x140 [ 309.659009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.664546] ? check_preemption_disabled+0x48/0x200 [ 309.669569] run_timer_softirq+0x52/0xb0 [ 309.673638] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.678671] __do_softirq+0x30b/0xad8 [ 309.682485] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.687601] ? pvclock_read_flags+0x160/0x160 [ 309.692097] ? lapic_next_event+0x5a/0x90 [ 309.696247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.701783] ? check_preemption_disabled+0x48/0x200 [ 309.706797] ? check_preemption_disabled+0x48/0x200 [ 309.711820] ? kvm_clock_read+0x18/0x30 [ 309.715793] ? kvm_sched_clock_read+0x9/0x20 [ 309.720204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.725740] ? check_preemption_disabled+0x48/0x200 [ 309.730771] irq_exit+0x17f/0x1c0 [ 309.734232] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.739074] ? smp_reschedule_interrupt+0x109/0x650 [ 309.744096] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.749980] ? interrupt_entry+0xb5/0xf0 [ 309.754047] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.759062] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.764083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.768928] ? trace_hardirqs_off+0x300/0x300 [ 309.773421] ? trace_hardirqs_off+0x300/0x300 [ 309.777919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.783453] ? check_preemption_disabled+0x48/0x200 [ 309.788468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.794013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.798870] apic_timer_interrupt+0xf/0x20 [ 309.803097] [ 309.805340] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 309.810270] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 309.829170] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 309.836879] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 309.844147] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 309.851417] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 309.858689] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 309.865959] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 309.873271] skb_clone+0x1bb/0x500 [ 309.876814] ? finish_task_switch+0x1b5/0x900 [ 309.881308] ? skb_split+0x11e0/0x11e0 [ 309.885197] ? preempt_notifier_register+0x200/0x200 [ 309.890299] ? __switch_to_asm+0x34/0x70 [ 309.894362] ? __switch_to_asm+0x34/0x70 [ 309.898420] ? __switch_to_asm+0x40/0x70 [ 309.902483] ? __switch_to_asm+0x34/0x70 [ 309.906543] ? __switch_to_asm+0x40/0x70 [ 309.910611] ? __switch_to_asm+0x34/0x70 [ 309.914678] ? __switch_to_asm+0x40/0x70 [ 309.918737] ? __switch_to_asm+0x34/0x70 [ 309.922801] ? __switch_to_asm+0x34/0x70 [ 309.926863] ? __switch_to_asm+0x40/0x70 [ 309.930924] ? __switch_to_asm+0x34/0x70 [ 309.934993] bpf_clone_redirect+0xb9/0x490 [ 309.939232] ? __schedule+0x874/0x1ed0 [ 309.943127] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 309.948149] ? __sched_text_start+0x8/0x8 [ 309.952297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.957070] ? find_held_lock+0x36/0x1c0 [ 309.961139] ? lock_acquire+0x1ed/0x520 [ 309.965113] ? bpf_test_run+0x32e/0x5a0 [ 309.969090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.974627] ? check_preemption_disabled+0x48/0x200 [ 309.979658] ? kasan_check_read+0x11/0x20 [ 309.983815] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.989095] ? rcu_bh_qs+0xc0/0xc0 [ 309.992641] ? preempt_schedule+0x4d/0x60 [ 309.996799] ? ___preempt_schedule+0x16/0x18 [ 310.001212] ? bpf_test_run+0x1c0/0x5a0 [ 310.005197] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.009617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.015161] ? bpf_test_init.isra.9+0x70/0x100 [ 310.019749] ? bpf_prog_test_run_skb+0x634/0xb40 [ 310.024513] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.029353] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.034886] ? fput+0x130/0x1a0 [ 310.038166] ? __bpf_prog_get+0x9b/0x290 [ 310.042232] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.047075] ? bpf_prog_test_run+0x130/0x1a0 [ 310.051489] ? __x64_sys_bpf+0x3d8/0x510 [ 310.055549] ? bpf_prog_get+0x20/0x20 [ 310.059364] ? ksys_ioctl+0x81/0xd0 [ 310.063003] ? do_syscall_64+0x1b9/0x820 [ 310.067064] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.072429] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.077363] ? trace_hardirqs_off+0x300/0x300 [ 310.081859] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.086877] ? recalc_sigpending_tsk+0x180/0x180 [ 310.091632] ? kasan_check_write+0x14/0x20 [ 310.095881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.100736] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.106114] warn_alloc_show_mem: 1 callbacks suppressed [ 310.106126] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 310.106127] Mem-Info: [ 310.106159] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 310.106159] active_file:14 inactive_file:18 isolated_file:1 [ 310.106159] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.106159] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 310.106159] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 310.106159] free:13768 free_pcp:583 free_cma:0 [ 310.111502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.118345] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.120746] Call Trace: [ 310.153630] Node 0 [ 310.162988] dump_stack+0x1c4/0x2b4 [ 310.190657] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 310.193205] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.195498] lowmem_reserve[]: 0 [ 310.199137] warn_alloc.cold.118+0xb7/0x1bd [ 310.224602] 2815 6318 [ 310.229798] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.233053] 6318 [ 310.237370] ? lock_downgrade+0x900/0x900 [ 310.239842] Node 0 [ 310.244681] ? trace_hardirqs_off+0xb8/0x300 [ 310.246741] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 310.250860] ? trace_hardirqs_off+0xb8/0x300 [ 310.253066] lowmem_reserve[]: [ 310.257472] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.284338] 0 [ 310.288768] ? warn_alloc+0x120/0x120 [ 310.291820] 0 [ 310.296657] ? warn_alloc+0x120/0x120 [ 310.298436] 3503 [ 310.302233] ? print_usage_bug+0xc0/0xc0 [ 310.304001] 3503 [ 310.307801] ? warn_alloc+0x120/0x120 [ 310.309840] Node 0 [ 310.313893] ? print_usage_bug+0xc0/0xc0 [ 310.315959] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 310.319727] ? __lock_acquire+0x7ec/0x4ec0 [ 310.321936] lowmem_reserve[]: [ 310.325992] ? __lock_acquire+0x7ec/0x4ec0 [ 310.354868] 0 0 [ 310.359110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.362186] 0 [ 310.366415] ? should_fail+0x22d/0xd01 [ 310.368357] 0 [ 310.373895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.375671] Node 0 [ 310.379551] ? __lock_acquire+0x7ec/0x4ec0 [ 310.381324] DMA: 1*4kB [ 310.386434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.388645] (U) [ 310.392878] ? __lock_acquire+0x7ec/0x4ec0 [ 310.395439] 0*8kB [ 310.400535] ? should_fail+0x22d/0xd01 [ 310.402486] 0*16kB [ 310.406717] ? mark_held_locks+0x130/0x130 [ 310.408838] 1*32kB [ 310.412717] ? mark_held_locks+0x130/0x130 [ 310.414931] (U) [ 310.419163] ? graph_lock+0x170/0x170 [ 310.421371] 2*64kB [ 310.425603] ? graph_lock+0x170/0x170 [ 310.427552] (U) 1*128kB [ 310.431351] ? graph_lock+0x170/0x170 [ 310.433557] (U) 1*256kB [ 310.437360] ? print_usage_bug+0xc0/0xc0 [ 310.440005] (U) [ 310.443801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.446443] 0*512kB [ 310.450495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.452444] 1*1024kB (U) [ 310.457982] ? check_preemption_disabled+0x48/0x200 [ 310.460276] 1*2048kB (M) [ 310.465815] ? check_preemption_disabled+0x48/0x200 [ 310.468547] 3*4096kB [ 310.474052] ? __lock_is_held+0xb5/0x140 [ 310.476782] (M) [ 310.481795] __alloc_pages_nodemask+0xa80/0xde0 [ 310.484178] = 15908kB [ 310.488231] ? graph_lock+0x170/0x170 [ 310.490185] Node 0 [ 310.494849] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.497226] DMA32: 4*4kB [ 310.501029] ? graph_lock+0x170/0x170 [ 310.503245] (UM) [ 310.508263] ? find_held_lock+0x36/0x1c0 [ 310.510986] 2*8kB (M) [ 310.514795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.516829] 1*16kB [ 310.520884] ? lock_downgrade+0x900/0x900 [ 310.523356] (M) [ 310.528025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.530228] 1*32kB (M) [ 310.534377] cache_grow_begin+0x91/0x8c0 [ 310.536323] 3*64kB (UM) [ 310.541866] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.544450] 3*128kB [ 310.548509] fallback_alloc+0x203/0x2e0 [ 310.551150] (M) 2*256kB [ 310.555558] ____cache_alloc_node+0x1c7/0x1e0 [ 310.557848] (M) 3*512kB [ 310.561827] kmem_cache_alloc_node+0xe3/0x730 [ 310.564471] (M) [ 310.568960] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.571605] 4*1024kB (UM) [ 310.576111] __alloc_skb+0x119/0x770 [ 310.578053] 3*2048kB (M) [ 310.582310] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.585130] 3*4096kB [ 310.588841] ? skb_scrub_packet+0x490/0x490 [ 310.591570] (M) [ 310.596846] ? lock_downgrade+0x900/0x900 [ 310.599232] = 25232kB [ 310.603549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.605494] Node 0 [ 310.609635] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.612011] Normal: 1065*4kB [ 310.617549] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.619759] (MEH) [ 310.625202] ? addrconf_rs_timer+0x6f0/0x6f0 [ 310.628280] 487*8kB [ 310.633730] ndisc_alloc_skb+0x144/0x340 [ 310.635845] (ME) [ 310.640248] ndisc_send_rs+0x331/0x6e0 [ 310.642545] 153*16kB [ 310.646609] addrconf_rs_timer+0x3c0/0x6f0 [ 310.648646] (MEH) [ 310.652529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.654917] 77*32kB [ 310.659169] call_timer_fn+0x272/0x920 [ 310.661279] (UM) [ 310.665508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.667801] 0*64kB 1*128kB [ 310.671712] ? process_timeout+0x40/0x40 [ 310.673754] (H) [ 310.677980] ? find_held_lock+0x36/0x1c0 [ 310.680885] 1*256kB [ 310.684944] ? __run_timers+0x7da/0xc70 [ 310.686901] (U) [ 310.690956] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.693256] 1*512kB [ 310.697221] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.699183] (U) [ 310.703673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.705974] 0*1024kB [ 310.710457] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.712409] 0*2048kB [ 310.716635] ? trace_hardirqs_on+0xbd/0x310 [ 310.719020] 0*4096kB [ 310.723599] ? kasan_check_read+0x11/0x20 [ 310.725980] = 13964kB [ 310.725994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.730301] ? __run_timers+0x7da/0xc70 [ 310.732692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.736825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.739212] 412 total pagecache pages [ 310.748040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.751991] 0 pages in swap cache [ 310.760554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.765980] Swap cache stats: add 0, delete 0, find 0/0 [ 310.769768] __run_timers+0x7e5/0xc70 [ 310.773981] Free swap = 0kB [ 310.777434] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.781635] Total swap = 0kB [ 310.786991] ? compat_start_thread+0x80/0x80 [ 310.790768] 1965979 pages RAM [ 310.793779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.799112] 0 pages HighMem/MovableOnly [ 310.799121] 343323 pages reserved [ 310.802134] ? kasan_check_write+0x14/0x20 [ 310.806519] 0 pages cma reserved [ 310.809628] ? finish_task_switch+0x2f5/0x900 [ 310.815201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.819098] ? __switch_to_asm+0x40/0x70 [ 310.819118] ? preempt_notifier_register+0x200/0x200 [ 310.822734] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.826866] ? __switch_to_asm+0x34/0x70 [ 310.830211] syz-executor0 cpuset= [ 310.834699] ? __switch_to_asm+0x40/0x70 [ 310.841163] syz0 [ 310.845212] ? __switch_to_asm+0x34/0x70 [ 310.845227] ? __switch_to_asm+0x40/0x70 [ 310.850309] mems_allowed=0 [ 310.860780] ? __switch_to_asm+0x34/0x70 [ 310.860795] ? __switch_to_asm+0x40/0x70 [ 310.893376] ? pvclock_read_flags+0x160/0x160 [ 310.897872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.903408] ? check_preemption_disabled+0x48/0x200 [ 310.908456] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 310.913998] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.919275] ? rcu_pm_notify+0xc0/0xc0 [ 310.923169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.928708] ? check_preemption_disabled+0x48/0x200 [ 310.933734] run_timer_softirq+0x52/0xb0 [ 310.937800] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.942818] __do_softirq+0x30b/0xad8 [ 310.946640] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.951770] ? trace_hardirqs_off_caller+0x300/0x300 [ 310.956871] ? trace_hardirqs_on+0x310/0x310 [ 310.961289] ? schedule+0x108/0x460 [ 310.964919] ? __schedule+0x1ed0/0x1ed0 [ 310.968899] ? trace_hardirqs_off+0xb8/0x300 [ 310.973310] ? ___might_sleep+0x1ed/0x300 [ 310.977456] ? smpboot_thread_fn+0x68b/0xa00 [ 310.981866] ? trace_hardirqs_on+0x310/0x310 [ 310.986276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.991812] ? check_preemption_disabled+0x48/0x200 [ 310.996825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.002364] ? takeover_tasklets+0xa90/0xa90 [ 311.006778] run_ksoftirqd+0x94/0x100 [ 311.010576] smpboot_thread_fn+0x68b/0xa00 [ 311.014824] ? sort_range+0x30/0x30 [ 311.018454] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.023555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.029092] ? __kthread_parkme+0xfb/0x1a0 [ 311.033332] kthread+0x35a/0x420 [ 311.036731] ? sort_range+0x30/0x30 [ 311.040355] ? kthread_bind+0x40/0x40 [ 311.044162] ret_from_fork+0x3a/0x50 [ 311.047896] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 311.047976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.055166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.055172] Call Trace: [ 311.055178] [ 311.055196] dump_stack+0x1c4/0x2b4 [ 311.055212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.061738] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.071041] warn_alloc.cold.118+0xb7/0x1bd [ 311.073599] ksoftirqd/1 cpuset= [ 311.075742] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.079342] / [ 311.084524] ? lock_downgrade+0x900/0x900 [ 311.094811] mems_allowed=0 [ 311.099124] ? trace_hardirqs_off+0xb8/0x300 [ 311.120344] ? trace_hardirqs_off+0xb8/0x300 [ 311.124765] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.129646] ? warn_alloc+0x120/0x120 [ 311.133455] ? trace_hardirqs_on+0x310/0x310 [ 311.137863] ? warn_alloc+0x120/0x120 [ 311.141672] ? print_usage_bug+0xc0/0xc0 [ 311.145734] ? warn_alloc+0x120/0x120 [ 311.149533] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 311.154551] ? print_usage_bug+0xc0/0xc0 [ 311.158623] ? __lock_acquire+0x7ec/0x4ec0 [ 311.162863] ? __lock_acquire+0x7ec/0x4ec0 [ 311.167098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.172639] ? should_fail+0x22d/0xd01 [ 311.176536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.181639] ? __lock_acquire+0x7ec/0x4ec0 [ 311.185880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.190980] ? __lock_acquire+0x7ec/0x4ec0 [ 311.195210] ? should_fail+0x22d/0xd01 [ 311.199100] ? print_usage_bug+0xc0/0xc0 [ 311.203172] ? mark_held_locks+0x130/0x130 [ 311.207411] ? mark_held_locks+0x130/0x130 [ 311.211662] ? graph_lock+0x170/0x170 [ 311.215464] ? print_usage_bug+0xc0/0xc0 [ 311.219524] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.224281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.229816] ? check_preemption_disabled+0x48/0x200 [ 311.234829] ? check_preemption_disabled+0x48/0x200 [ 311.239858] ? __lock_is_held+0xb5/0x140 [ 311.243935] __alloc_pages_nodemask+0xa80/0xde0 [ 311.248611] ? graph_lock+0x170/0x170 [ 311.252419] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.257430] ? graph_lock+0x170/0x170 [ 311.261245] ? find_held_lock+0x36/0x1c0 [ 311.265326] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.269993] ? lock_downgrade+0x900/0x900 [ 311.274151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.279694] cache_grow_begin+0x91/0x8c0 [ 311.283754] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.288181] fallback_alloc+0x203/0x2e0 [ 311.292162] ____cache_alloc_node+0x1c7/0x1e0 [ 311.296674] kmem_cache_alloc_node+0xe3/0x730 [ 311.301171] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.305421] __alloc_skb+0x119/0x770 [ 311.309135] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.314417] ? skb_scrub_packet+0x490/0x490 [ 311.318747] ? lock_downgrade+0x900/0x900 [ 311.322902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.328474] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.333928] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.339789] ? addrconf_rs_timer+0x6f0/0x6f0 [ 311.344211] ndisc_alloc_skb+0x144/0x340 [ 311.348295] ndisc_send_rs+0x331/0x6e0 [ 311.352188] addrconf_rs_timer+0x3c0/0x6f0 [ 311.356429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.360681] call_timer_fn+0x272/0x920 [ 311.364567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.368813] ? process_timeout+0x40/0x40 [ 311.372870] ? find_held_lock+0x36/0x1c0 [ 311.376940] ? __run_timers+0x7da/0xc70 [ 311.380918] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.385412] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.389905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.394139] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.398723] ? trace_hardirqs_on+0xbd/0x310 [ 311.403043] ? kasan_check_read+0x11/0x20 [ 311.407194] ? __run_timers+0x7da/0xc70 [ 311.411172] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.416635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.420883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.425114] __run_timers+0x7e5/0xc70 [ 311.428931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.434296] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.439312] ? graph_lock+0x170/0x170 [ 311.443118] ? enqueue_hrtimer+0x1a5/0x560 [ 311.447350] ? lock_release+0x970/0x970 [ 311.451326] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.456525] ? find_held_lock+0x36/0x1c0 [ 311.460603] ? graph_lock+0x170/0x170 [ 311.464409] ? pvclock_read_flags+0x160/0x160 [ 311.468905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.474442] ? check_preemption_disabled+0x48/0x200 [ 311.479471] ? __lock_is_held+0xb5/0x140 [ 311.483534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.489069] ? check_preemption_disabled+0x48/0x200 [ 311.494093] run_timer_softirq+0x52/0xb0 [ 311.498154] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.503176] __do_softirq+0x30b/0xad8 [ 311.506988] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.512099] ? pvclock_read_flags+0x160/0x160 [ 311.516603] ? lapic_next_event+0x5a/0x90 [ 311.520752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.526286] ? check_preemption_disabled+0x48/0x200 [ 311.531301] ? check_preemption_disabled+0x48/0x200 [ 311.536326] ? kvm_clock_read+0x18/0x30 [ 311.540300] ? kvm_sched_clock_read+0x9/0x20 [ 311.544711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.550246] ? check_preemption_disabled+0x48/0x200 [ 311.555273] irq_exit+0x17f/0x1c0 [ 311.558730] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.563574] ? smp_reschedule_interrupt+0x109/0x650 [ 311.568604] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.574491] ? interrupt_entry+0xb5/0xf0 [ 311.578553] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.583569] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.588601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.593449] ? trace_hardirqs_off+0x300/0x300 [ 311.597948] ? trace_hardirqs_off+0x300/0x300 [ 311.602443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.607979] ? check_preemption_disabled+0x48/0x200 [ 311.612997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.618546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.623401] apic_timer_interrupt+0xf/0x20 [ 311.627632] [ 311.629879] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.634810] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 311.653712] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 311.661420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.668687] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 311.675954] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 311.683223] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 311.690488] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.697799] skb_clone+0x1bb/0x500 [ 311.701339] ? finish_task_switch+0x1b5/0x900 [ 311.705833] ? skb_split+0x11e0/0x11e0 [ 311.709721] ? preempt_notifier_register+0x200/0x200 [ 311.714824] ? __switch_to_asm+0x34/0x70 [ 311.718886] ? __switch_to_asm+0x34/0x70 [ 311.722945] ? __switch_to_asm+0x40/0x70 [ 311.727005] ? __switch_to_asm+0x34/0x70 [ 311.731063] ? __switch_to_asm+0x40/0x70 [ 311.735124] ? __switch_to_asm+0x34/0x70 [ 311.739186] ? __switch_to_asm+0x40/0x70 [ 311.743293] ? __switch_to_asm+0x34/0x70 [ 311.747354] ? __switch_to_asm+0x34/0x70 [ 311.751416] ? __switch_to_asm+0x40/0x70 [ 311.755473] ? __switch_to_asm+0x34/0x70 [ 311.759545] bpf_clone_redirect+0xb9/0x490 [ 311.763785] ? __schedule+0x874/0x1ed0 [ 311.767685] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 311.772705] ? __sched_text_start+0x8/0x8 [ 311.776858] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.781633] ? find_held_lock+0x36/0x1c0 [ 311.785709] ? lock_acquire+0x1ed/0x520 [ 311.789681] ? bpf_test_run+0x32e/0x5a0 [ 311.793662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.799203] ? check_preemption_disabled+0x48/0x200 [ 311.804225] ? kasan_check_read+0x11/0x20 [ 311.808374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.813665] ? rcu_bh_qs+0xc0/0xc0 [ 311.817212] ? preempt_schedule+0x4d/0x60 [ 311.821360] ? ___preempt_schedule+0x16/0x18 [ 311.825778] ? bpf_test_run+0x1c0/0x5a0 [ 311.829762] ? netlink_diag_dump+0x2a0/0x2a0 [ 311.834176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.839717] ? bpf_test_init.isra.9+0x70/0x100 [ 311.844307] ? bpf_prog_test_run_skb+0x634/0xb40 [ 311.849068] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.853911] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 311.859464] ? fput+0x130/0x1a0 [ 311.862769] ? __bpf_prog_get+0x9b/0x290 [ 311.866836] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.871679] ? bpf_prog_test_run+0x130/0x1a0 [ 311.876094] ? __x64_sys_bpf+0x3d8/0x510 [ 311.880157] ? bpf_prog_get+0x20/0x20 [ 311.883964] ? ksys_ioctl+0x81/0xd0 [ 311.887628] ? do_syscall_64+0x1b9/0x820 [ 311.891696] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 311.897065] ? syscall_return_slowpath+0x5e0/0x5e0 [ 311.902001] ? trace_hardirqs_off+0x300/0x300 [ 311.906501] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 311.911520] ? recalc_sigpending_tsk+0x180/0x180 [ 311.916276] ? kasan_check_write+0x14/0x20 [ 311.920519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.925372] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 311.930753] warn_alloc_show_mem: 1 callbacks suppressed [ 311.930765] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 311.930767] Mem-Info: [ 311.930799] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 311.930799] active_file:14 inactive_file:18 isolated_file:1 [ 311.930799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 311.930799] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 311.930799] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 311.930799] free:13768 free_pcp:583 free_cma:0 [ 311.936135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.942976] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 311.945374] Call Trace: [ 311.978248] Node 0 [ 311.987615] dump_stack+0x1c4/0x2b4 [ 312.015286] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 312.017847] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.020046] lowmem_reserve[]: 0 [ 312.023685] warn_alloc.cold.118+0xb7/0x1bd [ 312.049148] 2815 6318 [ 312.054346] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.057624] 6318 [ 312.061981] ? lock_downgrade+0x900/0x900 [ 312.064450] Node 0 [ 312.069292] ? trace_hardirqs_off+0xb8/0x300 [ 312.071351] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 312.075471] ? trace_hardirqs_off+0xb8/0x300 [ 312.077680] lowmem_reserve[]: [ 312.082088] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.108942] 0 0 [ 312.113382] ? warn_alloc+0x120/0x120 [ 312.116433] 3503 [ 312.121277] ? warn_alloc+0x120/0x120 [ 312.123228] 3503 [ 312.127020] ? print_usage_bug+0xc0/0xc0 [ 312.132865] ? warn_alloc+0x120/0x120 [ 312.134904] Node 0 [ 312.138957] ? print_usage_bug+0xc0/0xc0 [ 312.142759] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 312.144962] ? __lock_acquire+0x7ec/0x4ec0 [ 312.148997] lowmem_reserve[]: [ 312.177454] ? __lock_acquire+0x7ec/0x4ec0 [ 312.181666] 0 [ 312.184770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.188978] 0 [ 312.190780] ? should_fail+0x22d/0xd01 [ 312.196287] 0 [ 312.198085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.201937] 0 [ 312.203741] ? __lock_acquire+0x7ec/0x4ec0 [ 312.208817] Node 0 [ 312.210621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.214829] DMA: [ 312.217061] ? __lock_acquire+0x7ec/0x4ec0 [ 312.222138] 1*4kB [ 312.224196] ? should_fail+0x22d/0xd01 [ 312.228412] (U) [ 312.230560] ? mark_held_locks+0x130/0x130 [ 312.234420] 0*8kB [ 312.236389] ? mark_held_locks+0x130/0x130 [ 312.240607] 0*16kB [ 312.242750] ? graph_lock+0x170/0x170 [ 312.247047] 1*32kB [ 312.249275] ? graph_lock+0x170/0x170 [ 312.253050] (U) [ 312.255280] ? graph_lock+0x170/0x170 [ 312.259049] 2*64kB (U) [ 312.261030] ? print_usage_bug+0xc0/0xc0 [ 312.264807] 1*128kB [ 312.267387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.271415] (U) 1*256kB [ 312.273743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.279255] (U) [ 312.281919] ? check_preemption_disabled+0x48/0x200 [ 312.287430] 0*512kB [ 312.289402] ? check_preemption_disabled+0x48/0x200 [ 312.294396] 1*1024kB [ 312.296721] ? __lock_is_held+0xb5/0x140 [ 312.301711] (U) 1*2048kB [ 312.304129] __alloc_pages_nodemask+0xa80/0xde0 [ 312.308164] (M) [ 312.310916] ? graph_lock+0x170/0x170 [ 312.315558] 3*4096kB (M) [ 312.317538] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.321315] = 15908kB [ 312.324063] ? graph_lock+0x170/0x170 [ 312.329054] Node 0 [ 312.331465] ? find_held_lock+0x36/0x1c0 [ 312.335225] DMA32: 4*4kB [ 312.337469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.341499] (UM) [ 312.344251] ? lock_downgrade+0x900/0x900 [ 312.348893] 2*8kB (M) [ 312.350963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.355078] 1*16kB (M) [ 312.357580] cache_grow_begin+0x91/0x8c0 [ 312.363089] 1*32kB [ 312.365673] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.369713] (M) [ 312.371950] fallback_alloc+0x203/0x2e0 [ 312.376327] 3*64kB [ 312.378297] ____cache_alloc_node+0x1c7/0x1e0 [ 312.382251] (UM) [ 312.384483] kmem_cache_alloc_node+0xe3/0x730 [ 312.388950] 3*128kB [ 312.391008] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.395476] (M) [ 312.397798] __alloc_skb+0x119/0x770 [ 312.402000] 2*256kB [ 312.403976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.407669] (M) [ 312.409986] ? skb_scrub_packet+0x490/0x490 [ 312.415239] 3*512kB [ 312.417206] ? lock_downgrade+0x900/0x900 [ 312.421505] (M) [ 312.423872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.427990] 4*1024kB [ 312.429960] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.435466] (UM) [ 312.437872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.443292] 3*2048kB (M) [ 312.445358] ? addrconf_rs_timer+0x6f0/0x6f0 [ 312.450779] 3*4096kB [ 312.453540] ndisc_alloc_skb+0x144/0x340 [ 312.457914] (M) [ 312.460321] ndisc_send_rs+0x331/0x6e0 [ 312.464353] = 25232kB [ 312.466322] addrconf_rs_timer+0x3c0/0x6f0 [ 312.470338] Node 0 [ 312.472754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.476958] Normal: [ 312.479201] call_timer_fn+0x272/0x920 [ 312.483399] 1065*4kB [ 312.485713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.489573] (MEH) [ 312.491997] ? process_timeout+0x40/0x40 [ 312.496207] 487*8kB [ 312.498347] ? find_held_lock+0x36/0x1c0 [ 312.502380] (ME) [ 312.504705] ? __run_timers+0x7da/0xc70 [ 312.508737] 153*16kB [ 312.510795] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.514741] (MEH) [ 312.517143] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.521628] 77*32kB [ 312.523771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.528237] (UM) [ 312.530554] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 312.534767] 0*64kB [ 312.536825] ? trace_hardirqs_on+0xbd/0x310 [ 312.541382] 1*128kB [ 312.543617] ? kasan_check_read+0x11/0x20 [ 312.547912] (H) [ 312.550229] ? __run_timers+0x7da/0xc70 [ 312.554352] 1*256kB [ 312.556318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.560267] (U) [ 312.562586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.568019] 1*512kB [ 312.569991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.574195] (U) [ 312.576514] __run_timers+0x7e5/0xc70 [ 312.580726] 0*1024kB [ 312.582705] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.586473] 0*2048kB [ 312.588875] ? compat_start_thread+0x80/0x80 [ 312.594216] 0*4096kB [ 312.596628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.601005] = 13964kB [ 312.601019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.603420] ? kasan_check_write+0x14/0x20 [ 312.608934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.611333] ? finish_task_switch+0x2f5/0x900 [ 312.620138] 412 total pagecache pages [ 312.624372] ? __switch_to_asm+0x40/0x70 [ 312.632928] 0 pages in swap cache [ 312.637412] ? preempt_notifier_register+0x200/0x200 [ 312.641189] Swap cache stats: add 0, delete 0, find 0/0 [ 312.645240] ? __switch_to_asm+0x34/0x70 [ 312.648670] Free swap = 0kB [ 312.653762] ? __switch_to_asm+0x40/0x70 [ 312.659101] Total swap = 0kB [ 312.663160] ? __switch_to_asm+0x34/0x70 [ 312.666151] 1965979 pages RAM [ 312.670210] ? __switch_to_asm+0x40/0x70 [ 312.673206] 0 pages HighMem/MovableOnly [ 312.677259] ? __switch_to_asm+0x34/0x70 [ 312.680344] 343323 pages reserved [ 312.684397] ? __switch_to_asm+0x40/0x70 [ 312.688345] 0 pages cma reserved [ 312.692401] ? pvclock_read_flags+0x160/0x160 [ 312.695892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.699878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.703309] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.707708] ? check_preemption_disabled+0x48/0x200 [ 312.714176] syz-executor0 cpuset= [ 312.719709] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 312.730165] syz0 [ 312.735175] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.735191] ? rcu_pm_notify+0xc0/0xc0 [ 312.738624] mems_allowed=0 [ 312.744160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.763685] ? check_preemption_disabled+0x48/0x200 [ 312.768717] run_timer_softirq+0x52/0xb0 [ 312.772785] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.777823] __do_softirq+0x30b/0xad8 [ 312.781643] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 312.786746] ? trace_hardirqs_off_caller+0x300/0x300 [ 312.791847] ? trace_hardirqs_on+0x310/0x310 [ 312.796267] ? schedule+0x108/0x460 [ 312.799898] ? __schedule+0x1ed0/0x1ed0 [ 312.803882] ? trace_hardirqs_off+0xb8/0x300 [ 312.808294] ? ___might_sleep+0x1ed/0x300 [ 312.812443] ? smpboot_thread_fn+0x68b/0xa00 [ 312.816852] ? trace_hardirqs_on+0x310/0x310 [ 312.821266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.826807] ? check_preemption_disabled+0x48/0x200 [ 312.831825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.837366] ? takeover_tasklets+0xa90/0xa90 [ 312.841777] run_ksoftirqd+0x94/0x100 [ 312.845588] smpboot_thread_fn+0x68b/0xa00 [ 312.849844] ? sort_range+0x30/0x30 [ 312.853472] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.858579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.864121] ? __kthread_parkme+0xfb/0x1a0 [ 312.868370] kthread+0x35a/0x420 [ 312.871734] ? sort_range+0x30/0x30 [ 312.875358] ? kthread_bind+0x40/0x40 [ 312.879176] ret_from_fork+0x3a/0x50 [ 312.882908] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 312.882989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.890219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.890228] Call Trace: [ 312.896799] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.906045] [ 312.908621] ksoftirqd/1 cpuset= [ 312.918925] dump_stack+0x1c4/0x2b4 [ 312.921052] / [ 312.924324] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.927929] mems_allowed=0 [ 312.929645] warn_alloc.cold.118+0xb7/0x1bd [ 312.942024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.946871] ? lock_downgrade+0x900/0x900 [ 312.951029] ? trace_hardirqs_off+0xb8/0x300 [ 312.955443] ? trace_hardirqs_off+0xb8/0x300 [ 312.959862] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.964735] ? warn_alloc+0x120/0x120 [ 312.968541] ? trace_hardirqs_on+0x310/0x310 [ 312.972947] ? warn_alloc+0x120/0x120 [ 312.976752] ? print_usage_bug+0xc0/0xc0 [ 312.980823] ? warn_alloc+0x120/0x120 [ 312.984630] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 312.989660] ? print_usage_bug+0xc0/0xc0 [ 312.993733] ? __lock_acquire+0x7ec/0x4ec0 [ 312.997967] ? __lock_acquire+0x7ec/0x4ec0 [ 313.002207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.007843] ? should_fail+0x22d/0xd01 [ 313.011738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.016841] ? __lock_acquire+0x7ec/0x4ec0 [ 313.021080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.026181] ? __lock_acquire+0x7ec/0x4ec0 [ 313.030413] ? should_fail+0x22d/0xd01 [ 313.034296] ? print_usage_bug+0xc0/0xc0 [ 313.038364] ? mark_held_locks+0x130/0x130 [ 313.042616] ? mark_held_locks+0x130/0x130 [ 313.046859] ? graph_lock+0x170/0x170 [ 313.050666] ? print_usage_bug+0xc0/0xc0 [ 313.054727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.059482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.065016] ? check_preemption_disabled+0x48/0x200 [ 313.070032] ? check_preemption_disabled+0x48/0x200 [ 313.075056] ? __lock_is_held+0xb5/0x140 [ 313.079124] __alloc_pages_nodemask+0xa80/0xde0 [ 313.083794] ? graph_lock+0x170/0x170 [ 313.087607] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.092627] ? graph_lock+0x170/0x170 [ 313.096446] ? find_held_lock+0x36/0x1c0 [ 313.100516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.105189] ? lock_downgrade+0x900/0x900 [ 313.109352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.114896] cache_grow_begin+0x91/0x8c0 [ 313.118962] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.123379] fallback_alloc+0x203/0x2e0 [ 313.127363] ____cache_alloc_node+0x1c7/0x1e0 [ 313.131863] kmem_cache_alloc_node+0xe3/0x730 [ 313.136363] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.140616] __alloc_skb+0x119/0x770 [ 313.144348] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.149633] ? skb_scrub_packet+0x490/0x490 [ 313.153960] ? lock_downgrade+0x900/0x900 [ 313.158119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.163666] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.169120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.174575] ? addrconf_rs_timer+0x6f0/0x6f0 [ 313.179004] ndisc_alloc_skb+0x144/0x340 [ 313.183070] ndisc_send_rs+0x331/0x6e0 [ 313.186962] addrconf_rs_timer+0x3c0/0x6f0 [ 313.191206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.195459] call_timer_fn+0x272/0x920 [ 313.199349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.203585] ? process_timeout+0x40/0x40 [ 313.207657] ? find_held_lock+0x36/0x1c0 [ 313.211728] ? __run_timers+0x7da/0xc70 [ 313.215704] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.220197] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.224699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.228934] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.233521] ? trace_hardirqs_on+0xbd/0x310 [ 313.237845] ? kasan_check_read+0x11/0x20 [ 313.241993] ? __run_timers+0x7da/0xc70 [ 313.245972] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.251428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.255705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.259939] __run_timers+0x7e5/0xc70 [ 313.263757] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.269124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.274144] ? graph_lock+0x170/0x170 [ 313.277953] ? enqueue_hrtimer+0x1a5/0x560 [ 313.282187] ? lock_release+0x970/0x970 [ 313.286168] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.291367] ? find_held_lock+0x36/0x1c0 [ 313.295436] ? graph_lock+0x170/0x170 [ 313.299246] ? pvclock_read_flags+0x160/0x160 [ 313.303745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.309286] ? check_preemption_disabled+0x48/0x200 [ 313.314314] ? __lock_is_held+0xb5/0x140 [ 313.318377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.323916] ? check_preemption_disabled+0x48/0x200 [ 313.328942] run_timer_softirq+0x52/0xb0 [ 313.333005] ? rcu_read_lock_sched_held+0x108/0x120 [ 313.338025] __do_softirq+0x30b/0xad8 [ 313.342235] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.347349] ? pvclock_read_flags+0x160/0x160 [ 313.351850] ? lapic_next_event+0x5a/0x90 [ 313.356000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.361534] ? check_preemption_disabled+0x48/0x200 [ 313.366550] ? check_preemption_disabled+0x48/0x200 [ 313.371583] ? kvm_clock_read+0x18/0x30 [ 313.375564] ? kvm_sched_clock_read+0x9/0x20 [ 313.379978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.385518] ? check_preemption_disabled+0x48/0x200 [ 313.390547] irq_exit+0x17f/0x1c0 [ 313.394009] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.398850] ? smp_reschedule_interrupt+0x109/0x650 [ 313.403872] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.409757] ? interrupt_entry+0xb5/0xf0 [ 313.413834] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.418858] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.423876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.428722] ? trace_hardirqs_off+0x300/0x300 [ 313.433870] ? trace_hardirqs_off+0x300/0x300 [ 313.438372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.443907] ? check_preemption_disabled+0x48/0x200 [ 313.448941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.454489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.459346] apic_timer_interrupt+0xf/0x20 [ 313.463576] [ 313.465823] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 313.470752] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 313.489674] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 313.497410] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.504700] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 313.511974] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 313.519255] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 313.526539] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 313.533861] skb_clone+0x1bb/0x500 [ 313.537403] ? finish_task_switch+0x1b5/0x900 [ 313.541901] ? skb_split+0x11e0/0x11e0 [ 313.545790] ? preempt_notifier_register+0x200/0x200 [ 313.550893] ? __switch_to_asm+0x34/0x70 [ 313.554958] ? __switch_to_asm+0x34/0x70 [ 313.559015] ? __switch_to_asm+0x40/0x70 [ 313.563077] ? __switch_to_asm+0x34/0x70 [ 313.567144] ? __switch_to_asm+0x40/0x70 [ 313.571201] ? __switch_to_asm+0x34/0x70 [ 313.575263] ? __switch_to_asm+0x40/0x70 [ 313.579320] ? __switch_to_asm+0x34/0x70 [ 313.583382] ? __switch_to_asm+0x34/0x70 [ 313.587445] ? __switch_to_asm+0x40/0x70 [ 313.591502] ? __switch_to_asm+0x34/0x70 [ 313.595579] bpf_clone_redirect+0xb9/0x490 [ 313.599824] ? __schedule+0x874/0x1ed0 [ 313.603727] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 313.608764] ? __sched_text_start+0x8/0x8 [ 313.612917] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.617692] ? find_held_lock+0x36/0x1c0 [ 313.621765] ? lock_acquire+0x1ed/0x520 [ 313.625737] ? bpf_test_run+0x32e/0x5a0 [ 313.629716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.635253] ? check_preemption_disabled+0x48/0x200 [ 313.640276] ? kasan_check_read+0x11/0x20 [ 313.644425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.649704] ? rcu_bh_qs+0xc0/0xc0 [ 313.653251] ? preempt_schedule+0x4d/0x60 [ 313.657399] ? ___preempt_schedule+0x16/0x18 [ 313.661816] ? bpf_test_run+0x1c0/0x5a0 [ 313.665802] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.670219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.675756] ? bpf_test_init.isra.9+0x70/0x100 [ 313.680346] ? bpf_prog_test_run_skb+0x634/0xb40 [ 313.685117] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.689964] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.695499] ? fput+0x130/0x1a0 [ 313.698785] ? __bpf_prog_get+0x9b/0x290 [ 313.702851] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.707792] ? bpf_prog_test_run+0x130/0x1a0 [ 313.712207] ? __x64_sys_bpf+0x3d8/0x510 [ 313.716266] ? bpf_prog_get+0x20/0x20 [ 313.720081] ? ksys_ioctl+0x81/0xd0 [ 313.723722] ? do_syscall_64+0x1b9/0x820 [ 313.727786] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.733154] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.738087] ? trace_hardirqs_off+0x300/0x300 [ 313.742587] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.747623] ? recalc_sigpending_tsk+0x180/0x180 [ 313.752385] ? kasan_check_write+0x14/0x20 [ 313.756632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.761491] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.766872] warn_alloc_show_mem: 1 callbacks suppressed [ 313.766884] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 313.766886] Mem-Info: [ 313.766918] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 313.766918] active_file:14 inactive_file:18 isolated_file:1 [ 313.766918] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.766918] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 313.766918] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 313.766918] free:13768 free_pcp:583 free_cma:0 [ 313.772250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.772259] Call Trace: [ 313.779107] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.781517] dump_stack+0x1c4/0x2b4 [ 313.814377] Node 0 [ 313.823735] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.826311] 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 [ 313.853964] warn_alloc.cold.118+0xb7/0x1bd [ 313.857557] lowmem_reserve[]: [ 313.859795] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.864959] 0 [ 313.890458] ? lock_downgrade+0x900/0x900 [ 313.894754] 2815 [ 313.897858] ? trace_hardirqs_off+0xb8/0x300 [ 313.902667] 6318 6318 [ 313.904476] ? trace_hardirqs_off+0xb8/0x300 [ 313.908605] Node 0 [ 313.910668] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.915075] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 313.917568] ? warn_alloc+0x120/0x120 [ 313.921919] lowmem_reserve[]: 0 [ 313.924164] ? warn_alloc+0x120/0x120 [ 313.928969] 0 3503 [ 313.955895] ? print_usage_bug+0xc0/0xc0 [ 313.959670] 3503 [ 313.962941] ? warn_alloc+0x120/0x120 [ 313.968945] ? print_usage_bug+0xc0/0xc0 [ 313.972979] Node 0 [ 313.975036] ? __lock_acquire+0x7ec/0x4ec0 [ 313.978836] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 313.982862] ? __lock_acquire+0x7ec/0x4ec0 [ 313.985067] lowmem_reserve[]: 0 [ 313.989326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.017752] 0 0 [ 314.022031] ? should_fail+0x22d/0xd01 [ 314.025273] 0 [ 314.030815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.032766] Node 0 [ 314.036647] ? __lock_acquire+0x7ec/0x4ec0 [ 314.038427] DMA: [ 314.043524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.045737] 1*4kB [ 314.049966] ? __lock_acquire+0x7ec/0x4ec0 [ 314.052004] (U) [ 314.057099] ? should_fail+0x22d/0xd01 [ 314.059223] 0*8kB [ 314.063446] ? print_usage_bug+0xc0/0xc0 [ 314.065402] 0*16kB [ 314.069299] ? mark_held_locks+0x130/0x130 [ 314.071420] 1*32kB [ 314.075476] ? mark_held_locks+0x130/0x130 [ 314.077685] (U) [ 314.081916] ? graph_lock+0x170/0x170 [ 314.084125] 2*64kB [ 314.088351] ? print_usage_bug+0xc0/0xc0 [ 314.090305] (U) [ 314.094106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.096315] 1*128kB (U) [ 314.100380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.102333] 1*256kB [ 314.107079] ? check_preemption_disabled+0x48/0x200 [ 314.109725] (U) [ 314.115270] ? check_preemption_disabled+0x48/0x200 [ 314.117574] 0*512kB [ 314.122602] ? __lock_is_held+0xb5/0x140 [ 314.124545] 1*1024kB [ 314.129555] __alloc_pages_nodemask+0xa80/0xde0 [ 314.131845] (U) 1*2048kB [ 314.135909] ? graph_lock+0x170/0x170 [ 314.138296] (M) [ 314.142958] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.145695] 3*4096kB [ 314.149485] ? graph_lock+0x170/0x170 [ 314.151436] (M) [ 314.156453] ? find_held_lock+0x36/0x1c0 [ 314.158831] = 15908kB [ 314.158839] Node 0 [ 314.162639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.164583] DMA32: [ 314.168644] ? lock_downgrade+0x900/0x900 [ 314.171034] 4*4kB [ 314.173270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.177908] (UM) [ 314.180143] cache_grow_begin+0x91/0x8c0 [ 314.184258] 2*8kB (M) [ 314.186413] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.192004] 1*16kB (M) [ 314.194075] fallback_alloc+0x203/0x2e0 [ 314.198102] 1*32kB (M) [ 314.200614] ____cache_alloc_node+0x1c7/0x1e0 [ 314.204988] 3*64kB (UM) [ 314.207579] kmem_cache_alloc_node+0xe3/0x730 [ 314.211527] 3*128kB [ 314.214106] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.218574] (M) [ 314.221252] __alloc_skb+0x119/0x770 [ 314.225717] 2*256kB [ 314.228038] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.232241] (M) [ 314.234212] ? skb_scrub_packet+0x490/0x490 [ 314.238034] 3*512kB [ 314.240356] ? lock_downgrade+0x900/0x900 [ 314.245612] (M) [ 314.247589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.251883] 4*1024kB (UM) [ 314.254211] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.258330] 3*2048kB [ 314.260303] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.265811] (M) [ 314.268650] ? addrconf_rs_timer+0x6f0/0x6f0 [ 314.274075] 3*4096kB [ 314.276489] ndisc_alloc_skb+0x144/0x340 [ 314.281903] (M) [ 314.283883] ndisc_send_rs+0x331/0x6e0 [ 314.288260] = 25232kB [ 314.288268] Node 0 [ 314.290676] addrconf_rs_timer+0x3c0/0x6f0 [ 314.294703] Normal: 1065*4kB [ 314.296682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.300544] (MEH) [ 314.302962] call_timer_fn+0x272/0x920 [ 314.305160] 487*8kB (ME) [ 314.309396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.312477] 153*16kB [ 314.316704] ? process_timeout+0x40/0x40 [ 314.318827] (MEH) [ 314.322705] ? find_held_lock+0x36/0x1c0 [ 314.325431] 77*32kB (UM) [ 314.329674] ? __run_timers+0x7da/0xc70 [ 314.332060] 0*64kB [ 314.336112] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.338636] 1*128kB [ 314.342692] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.345423] (H) [ 314.349391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.351611] 1*256kB [ 314.356097] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.358395] (U) [ 314.362884] ? trace_hardirqs_on+0xbd/0x310 [ 314.364837] 1*512kB [ 314.369062] ? kasan_check_read+0x11/0x20 [ 314.371360] (U) [ 314.375936] ? __run_timers+0x7da/0xc70 [ 314.377886] 0*1024kB [ 314.382198] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.384499] 0*2048kB [ 314.388639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.390588] 0*4096kB [ 314.394565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.396948] = 13964kB [ 314.402393] __run_timers+0x7e5/0xc70 [ 314.404783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.409014] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.411400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.415639] ? compat_start_thread+0x80/0x80 [ 314.418023] 412 total pagecache pages [ 314.421838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.430650] 0 pages in swap cache [ 314.436024] ? kasan_check_write+0x14/0x20 [ 314.444576] Swap cache stats: add 0, delete 0, find 0/0 [ 314.448984] ? finish_task_switch+0x2f5/0x900 [ 314.452755] Free swap = 0kB [ 314.458281] ? __switch_to_asm+0x40/0x70 [ 314.458300] ? preempt_notifier_register+0x200/0x200 [ 314.461729] Total swap = 0kB [ 314.465955] ? __switch_to_asm+0x34/0x70 [ 314.471498] 1965979 pages RAM [ 314.475988] ? __switch_to_asm+0x40/0x70 [ 314.478984] 0 pages HighMem/MovableOnly [ 314.483036] ? __switch_to_asm+0x34/0x70 [ 314.488108] 343323 pages reserved [ 314.488117] 0 pages cma reserved [ 314.491127] ? __switch_to_asm+0x40/0x70 [ 314.495227] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.498261] ? __switch_to_asm+0x34/0x70 [ 314.498276] ? __switch_to_asm+0x40/0x70 [ 314.502406] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.506292] ? pvclock_read_flags+0x160/0x160 [ 314.510325] syz-executor0 cpuset= [ 314.513773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.517122] syz0 [ 314.521181] ? check_preemption_disabled+0x48/0x200 [ 314.527755] mems_allowed=0 [ 314.531812] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 314.575150] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.580439] ? rcu_pm_notify+0xc0/0xc0 [ 314.584333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.589869] ? check_preemption_disabled+0x48/0x200 [ 314.594896] run_timer_softirq+0x52/0xb0 [ 314.598959] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.603980] __do_softirq+0x30b/0xad8 [ 314.607793] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.612896] ? trace_hardirqs_off_caller+0x300/0x300 [ 314.617998] ? trace_hardirqs_on+0x310/0x310 [ 314.622413] ? schedule+0x108/0x460 [ 314.626043] ? __schedule+0x1ed0/0x1ed0 [ 314.630026] ? trace_hardirqs_off+0xb8/0x300 [ 314.634436] ? ___might_sleep+0x1ed/0x300 [ 314.638581] ? smpboot_thread_fn+0x68b/0xa00 [ 314.643003] ? trace_hardirqs_on+0x310/0x310 [ 314.647428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.652985] ? check_preemption_disabled+0x48/0x200 [ 314.658001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.663543] ? takeover_tasklets+0xa90/0xa90 [ 314.667955] run_ksoftirqd+0x94/0x100 [ 314.671776] smpboot_thread_fn+0x68b/0xa00 [ 314.676017] ? sort_range+0x30/0x30 [ 314.679647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.684751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.690293] ? __kthread_parkme+0xfb/0x1a0 [ 314.694534] kthread+0x35a/0x420 [ 314.697898] ? sort_range+0x30/0x30 [ 314.701521] ? kthread_bind+0x40/0x40 [ 314.705326] ret_from_fork+0x3a/0x50 [ 314.709064] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 314.709143] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.716334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.716339] Call Trace: [ 314.716346] [ 314.716363] dump_stack+0x1c4/0x2b4 [ 314.716380] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.722943] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.732215] warn_alloc.cold.118+0xb7/0x1bd [ 314.734771] ksoftirqd/1 cpuset= [ 314.736918] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.740520] / [ 314.745702] ? lock_downgrade+0x900/0x900 [ 314.755989] mems_allowed=0 [ 314.760304] ? trace_hardirqs_off+0xb8/0x300 [ 314.781538] ? trace_hardirqs_off+0xb8/0x300 [ 314.785956] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.790833] ? warn_alloc+0x120/0x120 [ 314.794648] ? trace_hardirqs_on+0x310/0x310 [ 314.799064] ? warn_alloc+0x120/0x120 [ 314.802873] ? print_usage_bug+0xc0/0xc0 [ 314.806942] ? warn_alloc+0x120/0x120 [ 314.810746] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 314.815764] ? print_usage_bug+0xc0/0xc0 [ 314.819827] ? __lock_acquire+0x7ec/0x4ec0 [ 314.824064] ? __lock_acquire+0x7ec/0x4ec0 [ 314.828300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.833840] ? should_fail+0x22d/0xd01 [ 314.837734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.842835] ? __lock_acquire+0x7ec/0x4ec0 [ 314.847073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.852173] ? __lock_acquire+0x7ec/0x4ec0 [ 314.856406] ? should_fail+0x22d/0xd01 [ 314.860293] ? print_usage_bug+0xc0/0xc0 [ 314.864366] ? mark_held_locks+0x130/0x130 [ 314.868610] ? mark_held_locks+0x130/0x130 [ 314.872857] ? graph_lock+0x170/0x170 [ 314.876661] ? print_usage_bug+0xc0/0xc0 [ 314.880725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.885482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.891019] ? check_preemption_disabled+0x48/0x200 [ 314.896044] ? check_preemption_disabled+0x48/0x200 [ 314.901072] ? __lock_is_held+0xb5/0x140 [ 314.905140] __alloc_pages_nodemask+0xa80/0xde0 [ 314.909812] ? graph_lock+0x170/0x170 [ 314.913624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.918641] ? graph_lock+0x170/0x170 [ 314.922456] ? find_held_lock+0x36/0x1c0 [ 314.926531] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.931205] ? lock_downgrade+0x900/0x900 [ 314.935366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.940911] cache_grow_begin+0x91/0x8c0 [ 314.944974] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.949395] fallback_alloc+0x203/0x2e0 [ 314.953379] ____cache_alloc_node+0x1c7/0x1e0 [ 314.957885] kmem_cache_alloc_node+0xe3/0x730 [ 314.962382] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.966635] __alloc_skb+0x119/0x770 [ 314.970361] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.975640] ? skb_scrub_packet+0x490/0x490 [ 314.979969] ? lock_downgrade+0x900/0x900 [ 314.984126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.989670] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.995124] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.000671] ? addrconf_rs_timer+0x6f0/0x6f0 [ 315.005094] ndisc_alloc_skb+0x144/0x340 [ 315.009164] ndisc_send_rs+0x331/0x6e0 [ 315.013060] addrconf_rs_timer+0x3c0/0x6f0 [ 315.017301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.021549] call_timer_fn+0x272/0x920 [ 315.025439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.029685] ? process_timeout+0x40/0x40 [ 315.033743] ? find_held_lock+0x36/0x1c0 [ 315.037812] ? __run_timers+0x7da/0xc70 [ 315.041788] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.046284] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.050778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.055016] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.059606] ? trace_hardirqs_on+0xbd/0x310 [ 315.063925] ? kasan_check_read+0x11/0x20 [ 315.068074] ? __run_timers+0x7da/0xc70 [ 315.072049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.077512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.081753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.085988] __run_timers+0x7e5/0xc70 [ 315.089802] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.095171] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.100190] ? graph_lock+0x170/0x170 [ 315.103993] ? enqueue_hrtimer+0x1a5/0x560 [ 315.108225] ? lock_release+0x970/0x970 [ 315.112199] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.117395] ? find_held_lock+0x36/0x1c0 [ 315.121459] ? graph_lock+0x170/0x170 [ 315.125260] ? pvclock_read_flags+0x160/0x160 [ 315.129757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.135292] ? check_preemption_disabled+0x48/0x200 [ 315.140324] ? __lock_is_held+0xb5/0x140 [ 315.144387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.149921] ? check_preemption_disabled+0x48/0x200 [ 315.154945] run_timer_softirq+0x52/0xb0 [ 315.159008] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.164027] __do_softirq+0x30b/0xad8 [ 315.167841] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.172952] ? pvclock_read_flags+0x160/0x160 [ 315.177449] ? lapic_next_event+0x5a/0x90 [ 315.181607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.187145] ? check_preemption_disabled+0x48/0x200 [ 315.192158] ? check_preemption_disabled+0x48/0x200 [ 315.197181] ? kvm_clock_read+0x18/0x30 [ 315.201154] ? kvm_sched_clock_read+0x9/0x20 [ 315.205564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.211109] ? check_preemption_disabled+0x48/0x200 [ 315.216137] irq_exit+0x17f/0x1c0 [ 315.219619] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.224469] ? smp_reschedule_interrupt+0x109/0x650 [ 315.229487] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.235373] ? interrupt_entry+0xb5/0xf0 [ 315.239438] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.244458] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.249477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.254321] ? trace_hardirqs_off+0x300/0x300 [ 315.258816] ? trace_hardirqs_off+0x300/0x300 [ 315.263314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.268850] ? check_preemption_disabled+0x48/0x200 [ 315.273864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.279409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.284263] apic_timer_interrupt+0xf/0x20 [ 315.288491] [ 315.290733] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.295839] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 315.314740] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 315.322450] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 315.329715] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 315.336980] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 315.344651] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 315.351923] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 315.359240] skb_clone+0x1bb/0x500 [ 315.362786] ? finish_task_switch+0x1b5/0x900 [ 315.367284] ? skb_split+0x11e0/0x11e0 [ 315.371175] ? preempt_notifier_register+0x200/0x200 [ 315.376276] ? __switch_to_asm+0x34/0x70 [ 315.380366] ? __switch_to_asm+0x34/0x70 [ 315.384437] ? __switch_to_asm+0x40/0x70 [ 315.388508] ? __switch_to_asm+0x34/0x70 [ 315.392569] ? __switch_to_asm+0x40/0x70 [ 315.396635] ? __switch_to_asm+0x34/0x70 [ 315.400704] ? __switch_to_asm+0x40/0x70 [ 315.404765] ? __switch_to_asm+0x34/0x70 [ 315.408825] ? __switch_to_asm+0x34/0x70 [ 315.412886] ? __switch_to_asm+0x40/0x70 [ 315.416946] ? __switch_to_asm+0x34/0x70 [ 315.421017] bpf_clone_redirect+0xb9/0x490 [ 315.425255] ? __schedule+0x874/0x1ed0 [ 315.429151] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 315.434173] ? __sched_text_start+0x8/0x8 [ 315.438335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.443101] ? find_held_lock+0x36/0x1c0 [ 315.447169] ? lock_acquire+0x1ed/0x520 [ 315.451143] ? bpf_test_run+0x32e/0x5a0 [ 315.455121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.460667] ? check_preemption_disabled+0x48/0x200 [ 315.465696] ? kasan_check_read+0x11/0x20 [ 315.469850] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.475141] ? rcu_bh_qs+0xc0/0xc0 [ 315.478697] ? preempt_schedule+0x4d/0x60 [ 315.482849] ? ___preempt_schedule+0x16/0x18 [ 315.487270] ? bpf_test_run+0x1c0/0x5a0 [ 315.491258] ? netlink_diag_dump+0x2a0/0x2a0 [ 315.495677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.501212] ? bpf_test_init.isra.9+0x70/0x100 [ 315.505800] ? bpf_prog_test_run_skb+0x634/0xb40 [ 315.510563] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.515415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.520952] ? fput+0x130/0x1a0 [ 315.524233] ? __bpf_prog_get+0x9b/0x290 [ 315.528295] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.533134] ? bpf_prog_test_run+0x130/0x1a0 [ 315.537548] ? __x64_sys_bpf+0x3d8/0x510 [ 315.541620] ? bpf_prog_get+0x20/0x20 [ 315.545431] ? ksys_ioctl+0x81/0xd0 [ 315.549071] ? do_syscall_64+0x1b9/0x820 [ 315.553134] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.558506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.563437] ? trace_hardirqs_off+0x300/0x300 [ 315.567951] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 315.572971] ? recalc_sigpending_tsk+0x180/0x180 [ 315.577728] ? kasan_check_write+0x14/0x20 [ 315.581971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.586824] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.592206] warn_alloc_show_mem: 1 callbacks suppressed [ 315.592218] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 315.592220] Mem-Info: [ 315.592252] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 315.592252] active_file:14 inactive_file:18 isolated_file:1 [ 315.592252] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.592252] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 315.592252] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 315.592252] free:13768 free_pcp:583 free_cma:0 [ 315.597593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.604445] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 315.606844] Call Trace: [ 315.639716] Node 0 [ 315.649074] dump_stack+0x1c4/0x2b4 [ 315.676747] 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 [ 315.679308] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.681513] lowmem_reserve[]: [ 315.685144] warn_alloc.cold.118+0xb7/0x1bd [ 315.710714] 0 [ 315.715907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.718983] 2815 [ 315.723331] ? lock_downgrade+0x900/0x900 [ 315.725196] 6318 [ 315.730039] ? trace_hardirqs_off+0xb8/0x300 [ 315.732332] 6318 [ 315.736479] ? trace_hardirqs_off+0xb8/0x300 [ 315.742927] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.744959] Node 0 [ 315.749391] ? warn_alloc+0x120/0x120 [ 315.754205] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 315.756417] ? warn_alloc+0x120/0x120 [ 315.760192] lowmem_reserve[]: [ 315.787092] ? print_usage_bug+0xc0/0xc0 [ 315.790863] 0 [ 315.793962] ? warn_alloc+0x120/0x120 [ 315.797991] 0 3503 [ 315.799796] ? print_usage_bug+0xc0/0xc0 [ 315.803564] 3503 [ 315.805801] ? __lock_acquire+0x7ec/0x4ec0 [ 315.809837] Node 0 [ 315.811896] ? __lock_acquire+0x7ec/0x4ec0 [ 315.816129] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 315.818354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.822559] lowmem_reserve[]: [ 315.851027] ? should_fail+0x22d/0xd01 [ 315.856531] 0 0 [ 315.859639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.863491] 0 0 [ 315.865468] ? __lock_acquire+0x7ec/0x4ec0 [ 315.872513] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.876719] Node 0 [ 315.881807] ? __lock_acquire+0x7ec/0x4ec0 [ 315.881817] DMA: [ 315.884044] ? should_fail+0x22d/0xd01 [ 315.888258] 1*4kB [ 315.890312] ? print_usage_bug+0xc0/0xc0 [ 315.894172] (U) [ 315.896318] ? mark_held_locks+0x130/0x130 [ 315.900350] 0*8kB [ 315.902321] ? mark_held_locks+0x130/0x130 [ 315.906529] 0*16kB [ 315.908680] ? graph_lock+0x170/0x170 [ 315.912881] 1*32kB (U) [ 315.915120] ? print_usage_bug+0xc0/0xc0 [ 315.918895] 2*64kB [ 315.921473] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.925506] (U) [ 315.927740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.932467] 1*128kB [ 315.934436] ? check_preemption_disabled+0x48/0x200 [ 315.939946] (U) [ 315.942264] ? check_preemption_disabled+0x48/0x200 [ 315.947258] 1*256kB [ 315.949239] ? __lock_is_held+0xb5/0x140 [ 315.954219] (U) [ 315.956537] __alloc_pages_nodemask+0xa80/0xde0 [ 315.960570] 0*512kB [ 315.962540] ? graph_lock+0x170/0x170 [ 315.967183] 1*1024kB [ 315.969499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.973272] (U) [ 315.975675] ? graph_lock+0x170/0x170 [ 315.980671] 1*2048kB [ 315.982655] ? find_held_lock+0x36/0x1c0 [ 315.986429] (M) [ 315.988849] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.992881] 3*4096kB [ 315.994851] ? lock_downgrade+0x900/0x900 [ 315.999496] (M) [ 316.001906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.006029] = 15908kB [ 316.008007] cache_grow_begin+0x91/0x8c0 [ 316.013517] Node 0 [ 316.015922] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.019952] DMA32: [ 316.022193] fallback_alloc+0x203/0x2e0 [ 316.026572] 4*4kB [ 316.028804] ____cache_alloc_node+0x1c7/0x1e0 [ 316.032750] (UM) [ 316.034895] kmem_cache_alloc_node+0xe3/0x730 [ 316.039362] 2*8kB (M) [ 316.041430] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.045892] 1*16kB (M) [ 316.048401] __alloc_skb+0x119/0x770 [ 316.052612] 1*32kB [ 316.055196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.058880] (M) [ 316.061110] ? skb_scrub_packet+0x490/0x490 [ 316.066363] 3*64kB [ 316.068332] ? lock_downgrade+0x900/0x900 [ 316.072625] (UM) [ 316.074862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.078974] 3*128kB (M) [ 316.081041] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.086553] 2*256kB [ 316.089217] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.094816] (M) [ 316.097135] ? addrconf_rs_timer+0x6f0/0x6f0 [ 316.102558] 3*512kB [ 316.104537] ndisc_alloc_skb+0x144/0x340 [ 316.108912] (M) [ 316.111232] ndisc_send_rs+0x331/0x6e0 [ 316.115267] 4*1024kB [ 316.117243] addrconf_rs_timer+0x3c0/0x6f0 [ 316.121101] (UM) [ 316.123509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.127713] 3*2048kB (M) [ 316.129792] call_timer_fn+0x272/0x920 [ 316.133985] 3*4096kB (M) [ 316.136752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.140622] = 25232kB [ 316.143375] ? process_timeout+0x40/0x40 [ 316.147587] Node 0 [ 316.150000] ? find_held_lock+0x36/0x1c0 [ 316.154037] Normal: [ 316.156271] ? __run_timers+0x7da/0xc70 [ 316.160301] 1065*4kB [ 316.162626] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.166575] (MEH) [ 316.168989] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.173465] 487*8kB [ 316.175624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.180085] (ME) [ 316.182407] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.186618] 153*16kB (MEH) [ 316.188684] ? trace_hardirqs_on+0xbd/0x310 [ 316.193236] 77*32kB (UM) [ 316.196170] ? kasan_check_read+0x11/0x20 [ 316.200465] 0*64kB 1*128kB [ 316.203231] ? __run_timers+0x7da/0xc70 [ 316.207436] (H) [ 316.210367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.214314] 1*256kB [ 316.216285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.221699] (U) 1*512kB [ 316.224026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.228235] (U) [ 316.230904] __run_timers+0x7e5/0xc70 [ 316.235112] 0*1024kB [ 316.237093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.240857] 0*2048kB [ 316.243266] ? compat_start_thread+0x80/0x80 [ 316.248610] 0*4096kB [ 316.251014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.255393] = 13964kB [ 316.257797] ? kasan_check_write+0x14/0x20 [ 316.263312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.265714] ? finish_task_switch+0x2f5/0x900 [ 316.269925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.278745] ? __switch_to_asm+0x40/0x70 [ 316.278764] ? preempt_notifier_register+0x200/0x200 [ 316.283234] 412 total pagecache pages [ 316.291803] ? __switch_to_asm+0x34/0x70 [ 316.295847] 0 pages in swap cache [ 316.300949] ? __switch_to_asm+0x40/0x70 [ 316.304724] Swap cache stats: add 0, delete 0, find 0/0 [ 316.308782] ? __switch_to_asm+0x34/0x70 [ 316.312209] Free swap = 0kB [ 316.316274] ? __switch_to_asm+0x40/0x70 [ 316.321621] Total swap = 0kB [ 316.325682] ? __switch_to_asm+0x34/0x70 [ 316.328679] 1965979 pages RAM [ 316.332742] ? __switch_to_asm+0x40/0x70 [ 316.335747] 0 pages HighMem/MovableOnly [ 316.339811] ? pvclock_read_flags+0x160/0x160 [ 316.342881] 343323 pages reserved [ 316.346941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.350896] 0 pages cma reserved [ 316.350974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.355386] ? check_preemption_disabled+0x48/0x200 [ 316.355411] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 316.355428] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.358917] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.364391] ? rcu_pm_notify+0xc0/0xc0 [ 316.367735] syz-executor0 cpuset= [ 316.374218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.379206] syz0 [ 316.384737] ? check_preemption_disabled+0x48/0x200 [ 316.389993] mems_allowed=0 [ 316.400473] run_timer_softirq+0x52/0xb0 [ 316.427222] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.432245] __do_softirq+0x30b/0xad8 [ 316.436058] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.441172] ? trace_hardirqs_off_caller+0x300/0x300 [ 316.446275] ? trace_hardirqs_on+0x310/0x310 [ 316.450694] ? schedule+0x108/0x460 [ 316.454324] ? __schedule+0x1ed0/0x1ed0 [ 316.458303] ? trace_hardirqs_off+0xb8/0x300 [ 316.462717] ? ___might_sleep+0x1ed/0x300 [ 316.466862] ? smpboot_thread_fn+0x68b/0xa00 [ 316.471785] ? trace_hardirqs_on+0x310/0x310 [ 316.476198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.481734] ? check_preemption_disabled+0x48/0x200 [ 316.486752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.492302] ? takeover_tasklets+0xa90/0xa90 [ 316.496735] run_ksoftirqd+0x94/0x100 [ 316.500539] smpboot_thread_fn+0x68b/0xa00 [ 316.504779] ? sort_range+0x30/0x30 [ 316.508415] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.513524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.519075] ? __kthread_parkme+0xfb/0x1a0 [ 316.523316] kthread+0x35a/0x420 [ 316.526682] ? sort_range+0x30/0x30 [ 316.530306] ? kthread_bind+0x40/0x40 [ 316.534115] ret_from_fork+0x3a/0x50 [ 316.537849] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 316.537946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.545128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.545133] Call Trace: [ 316.545140] [ 316.545157] dump_stack+0x1c4/0x2b4 [ 316.545178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.551712] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.561024] warn_alloc.cold.118+0xb7/0x1bd [ 316.563574] ksoftirqd/1 cpuset= [ 316.565719] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.569318] / [ 316.574501] ? lock_downgrade+0x900/0x900 [ 316.584792] mems_allowed=0 [ 316.589112] ? trace_hardirqs_off+0xb8/0x300 [ 316.610343] ? trace_hardirqs_off+0xb8/0x300 [ 316.614766] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.619669] ? warn_alloc+0x120/0x120 [ 316.623479] ? warn_alloc+0x120/0x120 [ 316.627281] ? print_usage_bug+0xc0/0xc0 [ 316.631348] ? warn_alloc+0x120/0x120 [ 316.635156] ? print_usage_bug+0xc0/0xc0 [ 316.639221] ? __lock_acquire+0x7ec/0x4ec0 [ 316.643474] ? __lock_acquire+0x7ec/0x4ec0 [ 316.647714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.653252] ? should_fail+0x22d/0xd01 [ 316.657143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.662251] ? __lock_acquire+0x7ec/0x4ec0 [ 316.666491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.671608] ? __lock_acquire+0x7ec/0x4ec0 [ 316.675845] ? should_fail+0x22d/0xd01 [ 316.679743] ? mark_held_locks+0x130/0x130 [ 316.683988] ? mark_held_locks+0x130/0x130 [ 316.688225] ? graph_lock+0x170/0x170 [ 316.692027] ? graph_lock+0x170/0x170 [ 316.695831] ? graph_lock+0x170/0x170 [ 316.699636] ? print_usage_bug+0xc0/0xc0 [ 316.703705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.709248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.714793] ? check_preemption_disabled+0x48/0x200 [ 316.719817] ? check_preemption_disabled+0x48/0x200 [ 316.724859] ? __lock_is_held+0xb5/0x140 [ 316.728931] __alloc_pages_nodemask+0xa80/0xde0 [ 316.733612] ? graph_lock+0x170/0x170 [ 316.737418] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.742437] ? graph_lock+0x170/0x170 [ 316.746253] ? find_held_lock+0x36/0x1c0 [ 316.750328] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.754999] ? lock_downgrade+0x900/0x900 [ 316.759159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.764702] cache_grow_begin+0x91/0x8c0 [ 316.768765] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.773180] fallback_alloc+0x203/0x2e0 [ 316.777161] ____cache_alloc_node+0x1c7/0x1e0 [ 316.781668] kmem_cache_alloc_node+0xe3/0x730 [ 316.786188] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.790435] __alloc_skb+0x119/0x770 [ 316.794168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.799450] ? skb_scrub_packet+0x490/0x490 [ 316.803771] ? lock_downgrade+0x900/0x900 [ 316.807929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.813469] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.818923] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.824376] ? addrconf_rs_timer+0x6f0/0x6f0 [ 316.828799] ndisc_alloc_skb+0x144/0x340 [ 316.832870] ndisc_send_rs+0x331/0x6e0 [ 316.836766] addrconf_rs_timer+0x3c0/0x6f0 [ 316.841010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.845263] call_timer_fn+0x272/0x920 [ 316.849327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.853565] ? process_timeout+0x40/0x40 [ 316.857632] ? find_held_lock+0x36/0x1c0 [ 316.861711] ? __run_timers+0x7da/0xc70 [ 316.865697] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.870189] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.874685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.878927] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.883513] ? trace_hardirqs_on+0xbd/0x310 [ 316.887833] ? kasan_check_read+0x11/0x20 [ 316.891984] ? __run_timers+0x7da/0xc70 [ 316.895965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.901428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.905677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.909919] __run_timers+0x7e5/0xc70 [ 316.913746] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.919112] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.924130] ? graph_lock+0x170/0x170 [ 316.927935] ? enqueue_hrtimer+0x1a5/0x560 [ 316.932170] ? lock_release+0x970/0x970 [ 316.936148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.941349] ? find_held_lock+0x36/0x1c0 [ 316.945420] ? graph_lock+0x170/0x170 [ 316.949222] ? pvclock_read_flags+0x160/0x160 [ 316.953720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.959273] ? check_preemption_disabled+0x48/0x200 [ 316.964301] ? __lock_is_held+0xb5/0x140 [ 316.968364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.976261] ? check_preemption_disabled+0x48/0x200 [ 316.981291] run_timer_softirq+0x52/0xb0 [ 316.985356] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.990375] __do_softirq+0x30b/0xad8 [ 316.994190] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.999305] ? pvclock_read_flags+0x160/0x160 [ 317.003804] ? lapic_next_event+0x5a/0x90 [ 317.007954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.013494] ? check_preemption_disabled+0x48/0x200 [ 317.018537] ? check_preemption_disabled+0x48/0x200 [ 317.023560] ? kvm_clock_read+0x18/0x30 [ 317.027533] ? kvm_sched_clock_read+0x9/0x20 [ 317.031943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.037498] ? check_preemption_disabled+0x48/0x200 [ 317.042545] irq_exit+0x17f/0x1c0 [ 317.046008] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.050850] ? smp_reschedule_interrupt+0x109/0x650 [ 317.055879] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.061770] ? interrupt_entry+0xb5/0xf0 [ 317.065840] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.070865] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.075895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.080740] ? trace_hardirqs_off+0x300/0x300 [ 317.085283] ? trace_hardirqs_off+0x300/0x300 [ 317.089781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.095320] ? check_preemption_disabled+0x48/0x200 [ 317.100341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.105911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.110768] apic_timer_interrupt+0xf/0x20 [ 317.114997] [ 317.117242] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 317.122176] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 317.141109] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 317.148824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 317.156100] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 317.163370] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 317.170636] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 317.177909] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 317.185226] skb_clone+0x1bb/0x500 [ 317.188769] ? finish_task_switch+0x1b5/0x900 [ 317.193269] ? skb_split+0x11e0/0x11e0 [ 317.197156] ? preempt_notifier_register+0x200/0x200 [ 317.202260] ? __switch_to_asm+0x34/0x70 [ 317.206319] ? __switch_to_asm+0x34/0x70 [ 317.210376] ? __switch_to_asm+0x40/0x70 [ 317.214450] ? __switch_to_asm+0x34/0x70 [ 317.218510] ? __switch_to_asm+0x40/0x70 [ 317.222571] ? __switch_to_asm+0x34/0x70 [ 317.226640] ? __switch_to_asm+0x40/0x70 [ 317.230706] ? __switch_to_asm+0x34/0x70 [ 317.234770] ? __switch_to_asm+0x34/0x70 [ 317.238830] ? __switch_to_asm+0x40/0x70 [ 317.242892] ? __switch_to_asm+0x34/0x70 [ 317.246968] bpf_clone_redirect+0xb9/0x490 [ 317.251207] ? __schedule+0x874/0x1ed0 [ 317.255104] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 317.260127] ? __sched_text_start+0x8/0x8 [ 317.264278] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 317.269061] ? find_held_lock+0x36/0x1c0 [ 317.273134] ? lock_acquire+0x1ed/0x520 [ 317.277114] ? bpf_test_run+0x32e/0x5a0 [ 317.281092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.286642] ? check_preemption_disabled+0x48/0x200 [ 317.291674] ? kasan_check_read+0x11/0x20 [ 317.295827] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.301108] ? rcu_bh_qs+0xc0/0xc0 [ 317.304653] ? preempt_schedule+0x4d/0x60 [ 317.308812] ? ___preempt_schedule+0x16/0x18 [ 317.313240] ? bpf_test_run+0x1c0/0x5a0 [ 317.317230] ? netlink_diag_dump+0x2a0/0x2a0 [ 317.321669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.327216] ? bpf_test_init.isra.9+0x70/0x100 [ 317.331804] ? bpf_prog_test_run_skb+0x634/0xb40 [ 317.336570] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 317.341880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.347437] ? fput+0x130/0x1a0 [ 317.350719] ? __bpf_prog_get+0x9b/0x290 [ 317.354784] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 317.359632] ? bpf_prog_test_run+0x130/0x1a0 [ 317.364053] ? __x64_sys_bpf+0x3d8/0x510 [ 317.368114] ? bpf_prog_get+0x20/0x20 [ 317.371927] ? ksys_ioctl+0x81/0xd0 [ 317.375567] ? do_syscall_64+0x1b9/0x820 [ 317.379636] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 317.385028] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.389963] ? trace_hardirqs_off+0x300/0x300 [ 317.394459] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 317.399473] ? recalc_sigpending_tsk+0x180/0x180 [ 317.404229] ? kasan_check_write+0x14/0x20 [ 317.408470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.413327] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.418705] warn_alloc_show_mem: 1 callbacks suppressed [ 317.418717] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 317.418719] Mem-Info: [ 317.418752] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 317.418752] active_file:14 inactive_file:18 isolated_file:1 [ 317.418752] unevictable:0 dirty:0 writeback:0 unstable:0 [ 317.418752] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 317.418752] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 317.418752] free:13768 free_pcp:583 free_cma:0 [ 317.424093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.430937] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 317.433337] Call Trace: [ 317.466206] Node 0 [ 317.475563] dump_stack+0x1c4/0x2b4 [ 317.503245] 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 [ 317.505812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 317.508008] lowmem_reserve[]: 0 [ 317.511658] warn_alloc.cold.118+0xb7/0x1bd [ 317.537134] 2815 6318 [ 317.542361] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 317.545611] 6318 [ 317.549927] ? lock_downgrade+0x900/0x900 [ 317.557236] ? trace_hardirqs_off+0xb8/0x300 [ 317.559273] Node 0 [ 317.563414] ? trace_hardirqs_off+0xb8/0x300 [ 317.567819] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 317.570031] __alloc_pages_slowpath+0x2667/0x2d80 [ 317.574408] lowmem_reserve[]: [ 317.601335] ? warn_alloc+0x120/0x120 [ 317.606129] 0 [ 317.609229] ? warn_alloc+0x120/0x120 [ 317.613001] 0 [ 317.614802] ? print_usage_bug+0xc0/0xc0 [ 317.618576] 3503 [ 317.620379] ? warn_alloc+0x120/0x120 [ 317.624419] 3503 [ 317.626485] ? print_usage_bug+0xc0/0xc0 [ 317.630264] Node 0 [ 317.632323] ? __lock_acquire+0x7ec/0x4ec0 [ 317.636391] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 317.638606] ? __lock_acquire+0x7ec/0x4ec0 [ 317.642812] lowmem_reserve[]: 0 [ 317.671306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.675514] 0 [ 317.678791] ? should_fail+0x22d/0xd01 [ 317.684299] 0 0 [ 317.686117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.689970] Node 0 [ 317.691944] ? __lock_acquire+0x7ec/0x4ec0 [ 317.697023] DMA: 1*4kB [ 317.699290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.703499] (U) [ 317.706091] ? __lock_acquire+0x7ec/0x4ec0 [ 317.711162] 0*8kB 0*16kB [ 317.713149] ? should_fail+0x22d/0xd01 [ 317.717374] 1*32kB [ 317.720140] ? mark_held_locks+0x130/0x130 [ 317.723992] (U) [ 317.726230] ? mark_held_locks+0x130/0x130 [ 317.730436] 2*64kB [ 317.732408] ? graph_lock+0x170/0x170 [ 317.736620] (U) [ 317.738855] ? graph_lock+0x170/0x170 [ 317.742635] 1*128kB [ 317.744618] ? graph_lock+0x170/0x170 [ 317.748392] (U) [ 317.750711] ? print_usage_bug+0xc0/0xc0 [ 317.754485] 1*256kB [ 317.756455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.756472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.760510] (U) [ 317.762830] ? check_preemption_disabled+0x48/0x200 [ 317.768344] 0*512kB [ 317.773877] ? check_preemption_disabled+0x48/0x200 [ 317.775825] 1*1024kB [ 317.780844] ? __lock_is_held+0xb5/0x140 [ 317.783133] (U) [ 317.788161] __alloc_pages_nodemask+0xa80/0xde0 [ 317.790536] 1*2048kB (M) [ 317.794615] ? graph_lock+0x170/0x170 [ 317.796567] 3*4096kB [ 317.801238] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 317.803970] (M) [ 317.807770] ? graph_lock+0x170/0x170 [ 317.810151] = 15908kB [ 317.810167] Node 0 [ 317.815193] ? find_held_lock+0x36/0x1c0 [ 317.817139] DMA32: [ 317.820945] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.823324] 4*4kB [ 317.825554] ? lock_downgrade+0x900/0x900 [ 317.829591] (UM) [ 317.831838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.836477] 2*8kB [ 317.838636] cache_grow_begin+0x91/0x8c0 [ 317.842752] (M) [ 317.844816] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.850321] 1*16kB (M) [ 317.852488] fallback_alloc+0x203/0x2e0 [ 317.856511] 1*32kB (M) [ 317.858502] ____cache_alloc_node+0x1c7/0x1e0 [ 317.862871] 3*64kB (UM) [ 317.865470] kmem_cache_alloc_node+0xe3/0x730 [ 317.869406] 3*128kB (M) [ 317.872001] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.876470] 2*256kB [ 317.879146] __alloc_skb+0x119/0x770 [ 317.883616] (M) [ 317.886294] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.890505] 3*512kB [ 317.892839] ? skb_scrub_packet+0x490/0x490 [ 317.896519] (M) [ 317.898491] ? lock_downgrade+0x900/0x900 [ 317.903749] 4*1024kB (UM) [ 317.906091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.910378] 3*2048kB [ 317.912354] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.916473] (M) [ 317.919317] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.924827] 3*4096kB (M) [ 317.927248] ? addrconf_rs_timer+0x6f0/0x6f0 [ 317.932672] = 25232kB [ 317.932682] Node 0 [ 317.934671] ndisc_alloc_skb+0x144/0x340 [ 317.940083] Normal: 1065*4kB [ 317.942866] ndisc_send_rs+0x331/0x6e0 [ 317.947245] (MEH) [ 317.949659] addrconf_rs_timer+0x3c0/0x6f0 [ 317.951866] 487*8kB [ 317.955929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.959007] (ME) [ 317.962904] call_timer_fn+0x272/0x920 [ 317.965018] 153*16kB [ 317.969248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.971545] (MEH) [ 317.975780] ? process_timeout+0x40/0x40 [ 317.977814] 77*32kB [ 317.981697] ? find_held_lock+0x36/0x1c0 [ 317.981723] ? __run_timers+0x7da/0xc70 [ 317.984103] (UM) [ 317.988428] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.990556] 0*64kB [ 317.994626] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.996926] 1*128kB [ 318.000984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.004922] (H) 1*256kB [ 318.006995] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.011454] (U) 1*512kB [ 318.013700] ? trace_hardirqs_on+0xbd/0x310 [ 318.018172] (U) [ 318.020499] ? kasan_check_read+0x11/0x20 [ 318.024710] 0*1024kB [ 318.027381] ? __run_timers+0x7da/0xc70 [ 318.031946] 0*2048kB 0*4096kB [ 318.034668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.038970] = 13964kB [ 318.038985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 318.040956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.045076] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 318.045085] 412 total pagecache pages [ 318.047499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.051447] 0 pages in swap cache [ 318.054638] __run_timers+0x7e5/0xc70 [ 318.060064] Swap cache stats: add 0, delete 0, find 0/0 [ 318.062478] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.071271] Free swap = 0kB [ 318.071280] Total swap = 0kB [ 318.075514] ? compat_start_thread+0x80/0x80 [ 318.084068] 1965979 pages RAM [ 318.087878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.092082] 0 pages HighMem/MovableOnly [ 318.092091] 343323 pages reserved [ 318.095546] ? kasan_check_write+0x14/0x20 [ 318.099314] 0 pages cma reserved [ 318.099395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.104683] ? finish_task_switch+0x2f5/0x900 [ 318.104697] ? __switch_to_asm+0x40/0x70 [ 318.104716] ? preempt_notifier_register+0x200/0x200 [ 318.110126] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.113080] ? __switch_to_asm+0x34/0x70 [ 318.116072] syz-executor0 cpuset= [ 318.120484] ? __switch_to_asm+0x40/0x70 [ 318.123563] syz0 [ 318.129103] ? __switch_to_asm+0x34/0x70 [ 318.133052] mems_allowed=0 [ 318.136503] ? __switch_to_asm+0x40/0x70 [ 318.199149] ? __switch_to_asm+0x34/0x70 [ 318.203219] ? __switch_to_asm+0x40/0x70 [ 318.207292] ? pvclock_read_flags+0x160/0x160 [ 318.211792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.217333] ? check_preemption_disabled+0x48/0x200 [ 318.222364] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 318.227917] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.233206] ? rcu_pm_notify+0xc0/0xc0 [ 318.237098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.242645] ? check_preemption_disabled+0x48/0x200 [ 318.247672] run_timer_softirq+0x52/0xb0 [ 318.251741] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.256764] __do_softirq+0x30b/0xad8 [ 318.260579] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.265691] ? trace_hardirqs_off_caller+0x300/0x300 [ 318.270798] ? trace_hardirqs_on+0x310/0x310 [ 318.275214] ? schedule+0x108/0x460 [ 318.278847] ? __schedule+0x1ed0/0x1ed0 [ 318.282838] ? trace_hardirqs_off+0xb8/0x300 [ 318.287270] ? ___might_sleep+0x1ed/0x300 [ 318.291422] ? smpboot_thread_fn+0x68b/0xa00 [ 318.295835] ? trace_hardirqs_on+0x310/0x310 [ 318.300257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.305803] ? check_preemption_disabled+0x48/0x200 [ 318.310824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.316373] ? takeover_tasklets+0xa90/0xa90 [ 318.320797] run_ksoftirqd+0x94/0x100 [ 318.324611] smpboot_thread_fn+0x68b/0xa00 [ 318.328860] ? sort_range+0x30/0x30 [ 318.332493] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.337616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.343176] ? __kthread_parkme+0xfb/0x1a0 [ 318.347425] kthread+0x35a/0x420 [ 318.350795] ? sort_range+0x30/0x30 [ 318.354429] ? kthread_bind+0x40/0x40 [ 318.358238] ret_from_fork+0x3a/0x50 [ 318.361979] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 318.362061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.369253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.369259] Call Trace: [ 318.369265] [ 318.369286] dump_stack+0x1c4/0x2b4 [ 318.369306] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.375892] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.385159] warn_alloc.cold.118+0xb7/0x1bd [ 318.387719] ksoftirqd/1 cpuset= [ 318.389865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.393466] / [ 318.398663] ? lock_downgrade+0x900/0x900 [ 318.408958] mems_allowed=0 [ 318.413286] ? trace_hardirqs_off+0xb8/0x300 [ 318.434519] ? trace_hardirqs_off+0xb8/0x300 [ 318.438944] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.443824] ? warn_alloc+0x120/0x120 [ 318.447639] ? warn_alloc+0x120/0x120 [ 318.451449] ? print_usage_bug+0xc0/0xc0 [ 318.455512] ? warn_alloc+0x120/0x120 [ 318.459319] ? print_usage_bug+0xc0/0xc0 [ 318.463395] ? __lock_acquire+0x7ec/0x4ec0 [ 318.467644] ? __lock_acquire+0x7ec/0x4ec0 [ 318.472326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.477870] ? should_fail+0x22d/0xd01 [ 318.481770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.486885] ? __lock_acquire+0x7ec/0x4ec0 [ 318.491137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.496243] ? __lock_acquire+0x7ec/0x4ec0 [ 318.500483] ? should_fail+0x22d/0xd01 [ 318.504386] ? mark_held_locks+0x130/0x130 [ 318.508641] ? mark_held_locks+0x130/0x130 [ 318.512893] ? graph_lock+0x170/0x170 [ 318.516705] ? graph_lock+0x170/0x170 [ 318.520513] ? graph_lock+0x170/0x170 [ 318.524314] ? print_usage_bug+0xc0/0xc0 [ 318.528381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.533927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.539480] ? check_preemption_disabled+0x48/0x200 [ 318.544503] ? check_preemption_disabled+0x48/0x200 [ 318.549540] ? __lock_is_held+0xb5/0x140 [ 318.553620] __alloc_pages_nodemask+0xa80/0xde0 [ 318.558298] ? graph_lock+0x170/0x170 [ 318.562106] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.567124] ? graph_lock+0x170/0x170 [ 318.570939] ? find_held_lock+0x36/0x1c0 [ 318.575018] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.579692] ? lock_downgrade+0x900/0x900 [ 318.583850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.589401] cache_grow_begin+0x91/0x8c0 [ 318.593471] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.597892] fallback_alloc+0x203/0x2e0 [ 318.601874] ____cache_alloc_node+0x1c7/0x1e0 [ 318.606376] kmem_cache_alloc_node+0xe3/0x730 [ 318.610876] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.615125] __alloc_skb+0x119/0x770 [ 318.618843] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.624132] ? skb_scrub_packet+0x490/0x490 [ 318.628458] ? lock_downgrade+0x900/0x900 [ 318.632629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.638182] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.643644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.649109] ? addrconf_rs_timer+0x6f0/0x6f0 [ 318.653537] ndisc_alloc_skb+0x144/0x340 [ 318.657619] ndisc_send_rs+0x331/0x6e0 [ 318.661521] addrconf_rs_timer+0x3c0/0x6f0 [ 318.665765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.670014] call_timer_fn+0x272/0x920 [ 318.673903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.678173] ? process_timeout+0x40/0x40 [ 318.682241] ? find_held_lock+0x36/0x1c0 [ 318.686314] ? __run_timers+0x7da/0xc70 [ 318.690295] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.694793] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.699294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.703532] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.708118] ? trace_hardirqs_on+0xbd/0x310 [ 318.712438] ? kasan_check_read+0x11/0x20 [ 318.716589] ? __run_timers+0x7da/0xc70 [ 318.720582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.726071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.730322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.734564] __run_timers+0x7e5/0xc70 [ 318.738470] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.743845] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.748871] ? graph_lock+0x170/0x170 [ 318.752687] ? enqueue_hrtimer+0x1a5/0x560 [ 318.756923] ? lock_release+0x970/0x970 [ 318.760905] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.766107] ? find_held_lock+0x36/0x1c0 [ 318.770174] ? graph_lock+0x170/0x170 [ 318.773979] ? pvclock_read_flags+0x160/0x160 [ 318.778496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.784039] ? check_preemption_disabled+0x48/0x200 [ 318.789072] ? __lock_is_held+0xb5/0x140 [ 318.793141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.798710] ? check_preemption_disabled+0x48/0x200 [ 318.803743] run_timer_softirq+0x52/0xb0 [ 318.807806] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.812829] __do_softirq+0x30b/0xad8 [ 318.816646] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.821769] ? pvclock_read_flags+0x160/0x160 [ 318.826271] ? lapic_next_event+0x5a/0x90 [ 318.830429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.835972] ? check_preemption_disabled+0x48/0x200 [ 318.840991] ? check_preemption_disabled+0x48/0x200 [ 318.846080] ? kvm_clock_read+0x18/0x30 [ 318.850056] ? kvm_sched_clock_read+0x9/0x20 [ 318.854472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.860009] ? check_preemption_disabled+0x48/0x200 [ 318.865040] irq_exit+0x17f/0x1c0 [ 318.868502] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.873345] ? smp_reschedule_interrupt+0x109/0x650 [ 318.878365] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.884253] ? interrupt_entry+0xb5/0xf0 [ 318.888320] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.893344] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.898381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.903237] ? trace_hardirqs_off+0x300/0x300 [ 318.907735] ? trace_hardirqs_off+0x300/0x300 [ 318.912240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.917784] ? check_preemption_disabled+0x48/0x200 [ 318.922803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.928352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.933211] apic_timer_interrupt+0xf/0x20 [ 318.937446] [ 318.939694] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 318.944633] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 318.963565] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 318.971289] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.978578] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 318.985863] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 318.993160] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 319.000436] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 319.007765] skb_clone+0x1bb/0x500 [ 319.011317] ? finish_task_switch+0x1b5/0x900 [ 319.015828] ? skb_split+0x11e0/0x11e0 [ 319.019729] ? preempt_notifier_register+0x200/0x200 [ 319.024837] ? __switch_to_asm+0x34/0x70 [ 319.028903] ? __switch_to_asm+0x34/0x70 [ 319.032970] ? __switch_to_asm+0x40/0x70 [ 319.037033] ? __switch_to_asm+0x34/0x70 [ 319.041096] ? __switch_to_asm+0x40/0x70 [ 319.045154] ? __switch_to_asm+0x34/0x70 [ 319.049213] ? __switch_to_asm+0x40/0x70 [ 319.053273] ? __switch_to_asm+0x34/0x70 [ 319.057336] ? __switch_to_asm+0x34/0x70 [ 319.061394] ? __switch_to_asm+0x40/0x70 [ 319.065452] ? __switch_to_asm+0x34/0x70 [ 319.069529] bpf_clone_redirect+0xb9/0x490 [ 319.073770] ? __schedule+0x874/0x1ed0 [ 319.077675] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 319.082704] ? __sched_text_start+0x8/0x8 [ 319.086856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.091637] ? find_held_lock+0x36/0x1c0 [ 319.095714] ? lock_acquire+0x1ed/0x520 [ 319.099690] ? bpf_test_run+0x32e/0x5a0 [ 319.103680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.109231] ? check_preemption_disabled+0x48/0x200 [ 319.114256] ? kasan_check_read+0x11/0x20 [ 319.118414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.123705] ? rcu_bh_qs+0xc0/0xc0 [ 319.127259] ? preempt_schedule+0x4d/0x60 [ 319.131415] ? ___preempt_schedule+0x16/0x18 [ 319.135836] ? bpf_test_run+0x1c0/0x5a0 [ 319.139828] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.144247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.149807] ? bpf_test_init.isra.9+0x70/0x100 [ 319.154421] ? bpf_prog_test_run_skb+0x634/0xb40 [ 319.159197] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.164046] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.169593] ? fput+0x130/0x1a0 [ 319.172887] ? __bpf_prog_get+0x9b/0x290 [ 319.176960] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.181807] ? bpf_prog_test_run+0x130/0x1a0 [ 319.186230] ? __x64_sys_bpf+0x3d8/0x510 [ 319.190298] ? bpf_prog_get+0x20/0x20 [ 319.194111] ? ksys_ioctl+0x81/0xd0 [ 319.197753] ? do_syscall_64+0x1b9/0x820 [ 319.201821] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.207218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.212162] ? trace_hardirqs_off+0x300/0x300 [ 319.216673] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.221694] ? recalc_sigpending_tsk+0x180/0x180 [ 319.226462] ? kasan_check_write+0x14/0x20 [ 319.230714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.235577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.240971] warn_alloc_show_mem: 1 callbacks suppressed [ 319.240983] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 319.240985] Mem-Info: [ 319.241017] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 319.241017] active_file:14 inactive_file:18 isolated_file:1 [ 319.241017] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.241017] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 319.241017] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 319.241017] free:13768 free_pcp:583 free_cma:0 [ 319.246371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.253228] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.255639] Call Trace: [ 319.288522] Node 0 [ 319.297891] dump_stack+0x1c4/0x2b4 [ 319.325580] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 319.328145] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.330347] lowmem_reserve[]: 0 [ 319.333994] warn_alloc.cold.118+0xb7/0x1bd [ 319.359924] 2815 6318 [ 319.365145] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.368395] 6318 [ 319.372721] ? lock_downgrade+0x900/0x900 [ 319.380035] ? trace_hardirqs_off+0xb8/0x300 [ 319.382069] Node 0 [ 319.386226] ? trace_hardirqs_off+0xb8/0x300 [ 319.390641] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 319.392862] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.397252] lowmem_reserve[]: 0 [ 319.424216] ? warn_alloc+0x120/0x120 [ 319.429022] 0 [ 319.432584] ? warn_alloc+0x120/0x120 [ 319.436357] 3503 3503 [ 319.438184] ? print_usage_bug+0xc0/0xc0 [ 319.441962] Node 0 [ 319.444465] ? warn_alloc+0x120/0x120 [ 319.448523] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 319.450739] ? print_usage_bug+0xc0/0xc0 [ 319.454502] lowmem_reserve[]: 0 [ 319.482980] ? __lock_acquire+0x7ec/0x4ec0 [ 319.487019] 0 [ 319.490304] ? __lock_acquire+0x7ec/0x4ec0 [ 319.494514] 0 [ 319.496326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.500528] 0 [ 319.502346] ? should_fail+0x22d/0xd01 [ 319.507862] Node 0 [ 319.509678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.513537] DMA: [ 319.515781] ? __lock_acquire+0x7ec/0x4ec0 [ 319.520866] 1*4kB [ 319.522938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.527129] (U) 0*8kB [ 319.529294] ? __lock_acquire+0x7ec/0x4ec0 [ 319.534393] 0*16kB 1*32kB [ 319.536903] ? should_fail+0x22d/0xd01 [ 319.541110] (U) [ 319.543956] ? print_usage_bug+0xc0/0xc0 [ 319.547814] 2*64kB (U) [ 319.549811] ? mark_held_locks+0x130/0x130 [ 319.553839] 1*128kB [ 319.556431] ? mark_held_locks+0x130/0x130 [ 319.560634] (U) [ 319.562967] ? graph_lock+0x170/0x170 [ 319.567176] 1*256kB [ 319.569164] ? print_usage_bug+0xc0/0xc0 [ 319.572933] (U) [ 319.575263] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.579287] 0*512kB 1*1024kB [ 319.581279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.585998] (U) 1*2048kB [ 319.589118] ? check_preemption_disabled+0x48/0x200 [ 319.594635] (M) [ 319.597421] ? check_preemption_disabled+0x48/0x200 [ 319.602406] 3*4096kB (M) [ 319.604403] ? __lock_is_held+0xb5/0x140 [ 319.609374] = 15908kB [ 319.609383] Node 0 [ 319.612145] __alloc_pages_nodemask+0xa80/0xde0 [ 319.616174] DMA32: [ 319.618584] ? graph_lock+0x170/0x170 [ 319.620795] 4*4kB [ 319.625470] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.627681] (UM) [ 319.631477] ? graph_lock+0x170/0x170 [ 319.633614] 2*8kB [ 319.638652] ? find_held_lock+0x36/0x1c0 [ 319.640685] (M) [ 319.644492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.646619] 1*16kB [ 319.650681] ? lock_downgrade+0x900/0x900 [ 319.652633] (M) [ 319.657303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.659511] 1*32kB [ 319.663655] cache_grow_begin+0x91/0x8c0 [ 319.665614] (M) [ 319.671154] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.673363] 3*64kB [ 319.677422] fallback_alloc+0x203/0x2e0 [ 319.679360] (UM) 3*128kB [ 319.683779] ____cache_alloc_node+0x1c7/0x1e0 [ 319.685978] (M) 2*256kB [ 319.689957] kmem_cache_alloc_node+0xe3/0x730 [ 319.692689] (M) [ 319.697187] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.699832] 3*512kB [ 319.704344] __alloc_skb+0x119/0x770 [ 319.706288] (M) [ 319.710525] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.712822] 4*1024kB [ 319.716533] ? skb_scrub_packet+0x490/0x490 [ 319.718491] (UM) [ 319.723770] ? lock_downgrade+0x900/0x900 [ 319.726152] 3*2048kB [ 319.730477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.732508] (M) [ 319.736653] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.739035] 3*4096kB (M) [ 319.744580] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.746532] = 25232kB [ 319.751980] ? addrconf_rs_timer+0x6f0/0x6f0 [ 319.754712] Node 0 [ 319.760175] ndisc_alloc_skb+0x144/0x340 [ 319.762538] Normal: 1065*4kB [ 319.766954] ndisc_send_rs+0x331/0x6e0 [ 319.769166] (MEH) [ 319.773232] addrconf_rs_timer+0x3c0/0x6f0 [ 319.776308] 487*8kB [ 319.780219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.782357] (ME) [ 319.786618] call_timer_fn+0x272/0x920 [ 319.788907] 153*16kB [ 319.793146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.795179] (MEH) 77*32kB [ 319.799078] ? process_timeout+0x40/0x40 [ 319.801458] (UM) 0*64kB [ 319.805702] ? find_held_lock+0x36/0x1c0 [ 319.808524] 1*128kB [ 319.812588] ? __run_timers+0x7da/0xc70 [ 319.815221] (H) 1*256kB [ 319.819292] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.821592] (U) [ 319.825578] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.828219] 1*512kB (U) [ 319.832726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.834684] 0*1024kB [ 319.839196] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 319.841855] 0*2048kB 0*4096kB [ 319.846107] ? trace_hardirqs_on+0xbd/0x310 [ 319.848490] = 13964kB [ 319.853067] ? kasan_check_read+0x11/0x20 [ 319.856242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.860554] ? __run_timers+0x7da/0xc70 [ 319.862939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.862948] 412 total pagecache pages [ 319.867095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.875910] 0 pages in swap cache [ 319.879890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.888443] Swap cache stats: add 0, delete 0, find 0/0 [ 319.892247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.897664] Free swap = 0kB [ 319.897673] Total swap = 0kB [ 319.901143] __run_timers+0x7e5/0xc70 [ 319.905351] 1965979 pages RAM [ 319.910738] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.914930] 0 pages HighMem/MovableOnly [ 319.914939] 343323 pages reserved [ 319.917955] ? compat_start_thread+0x80/0x80 [ 319.920946] 0 pages cma reserved [ 319.924742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.927907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.933204] ? kasan_check_write+0x14/0x20 [ 319.933221] ? finish_task_switch+0x2f5/0x900 [ 319.933239] ? __switch_to_asm+0x40/0x70 [ 319.937258] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.940668] ? preempt_notifier_register+0x200/0x200 [ 319.945057] syz-executor0 cpuset= [ 319.948426] ? __switch_to_asm+0x34/0x70 [ 319.953938] syz0 [ 319.960435] ? __switch_to_asm+0x40/0x70 [ 319.964645] mems_allowed=0 [ 319.969136] ? __switch_to_asm+0x34/0x70 [ 320.009213] ? __switch_to_asm+0x40/0x70 [ 320.013277] ? __switch_to_asm+0x34/0x70 [ 320.017340] ? __switch_to_asm+0x40/0x70 [ 320.021420] ? pvclock_read_flags+0x160/0x160 [ 320.025930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.031493] ? check_preemption_disabled+0x48/0x200 [ 320.036542] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 320.042091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.047379] ? rcu_pm_notify+0xc0/0xc0 [ 320.051274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.056822] ? check_preemption_disabled+0x48/0x200 [ 320.061860] run_timer_softirq+0x52/0xb0 [ 320.065927] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.070949] __do_softirq+0x30b/0xad8 [ 320.074766] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.079877] ? trace_hardirqs_off_caller+0x300/0x300 [ 320.085020] ? trace_hardirqs_on+0x310/0x310 [ 320.089445] ? schedule+0x108/0x460 [ 320.093084] ? __schedule+0x1ed0/0x1ed0 [ 320.097069] ? trace_hardirqs_off+0xb8/0x300 [ 320.101484] ? ___might_sleep+0x1ed/0x300 [ 320.105643] ? smpboot_thread_fn+0x68b/0xa00 [ 320.110065] ? trace_hardirqs_on+0x310/0x310 [ 320.114486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.120034] ? check_preemption_disabled+0x48/0x200 [ 320.125059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.130617] ? takeover_tasklets+0xa90/0xa90 [ 320.135041] run_ksoftirqd+0x94/0x100 [ 320.138852] smpboot_thread_fn+0x68b/0xa00 [ 320.143096] ? sort_range+0x30/0x30 [ 320.146733] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.151848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.157397] ? __kthread_parkme+0xfb/0x1a0 [ 320.161644] kthread+0x35a/0x420 [ 320.165013] ? sort_range+0x30/0x30 [ 320.168645] ? kthread_bind+0x40/0x40 [ 320.172455] ret_from_fork+0x3a/0x50 [ 320.176195] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 320.176277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.183471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.183477] Call Trace: [ 320.183483] [ 320.183505] dump_stack+0x1c4/0x2b4 [ 320.183522] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.183549] warn_alloc.cold.118+0xb7/0x1bd [ 320.190088] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.199397] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.201953] ksoftirqd/1 cpuset= [ 320.204099] ? lock_downgrade+0x900/0x900 [ 320.207704] / [ 320.212903] ? trace_hardirqs_off+0xb8/0x300 [ 320.217468] mems_allowed=0 [ 320.227794] ? trace_hardirqs_off+0xb8/0x300 [ 320.253568] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.258464] ? warn_alloc+0x120/0x120 [ 320.262278] ? warn_alloc+0x120/0x120 [ 320.266087] ? print_usage_bug+0xc0/0xc0 [ 320.270159] ? warn_alloc+0x120/0x120 [ 320.273982] ? print_usage_bug+0xc0/0xc0 [ 320.278051] ? __lock_acquire+0x7ec/0x4ec0 [ 320.282294] ? __lock_acquire+0x7ec/0x4ec0 [ 320.286539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.292085] ? should_fail+0x22d/0xd01 [ 320.295985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.301102] ? __lock_acquire+0x7ec/0x4ec0 [ 320.305362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.310474] ? __lock_acquire+0x7ec/0x4ec0 [ 320.314727] ? should_fail+0x22d/0xd01 [ 320.318653] ? mark_held_locks+0x130/0x130 [ 320.322919] ? mark_held_locks+0x130/0x130 [ 320.327169] ? graph_lock+0x170/0x170 [ 320.330981] ? graph_lock+0x170/0x170 [ 320.334788] ? graph_lock+0x170/0x170 [ 320.339014] ? print_usage_bug+0xc0/0xc0 [ 320.343083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.348642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.354199] ? check_preemption_disabled+0x48/0x200 [ 320.359229] ? check_preemption_disabled+0x48/0x200 [ 320.364273] ? __lock_is_held+0xb5/0x140 [ 320.368347] __alloc_pages_nodemask+0xa80/0xde0 [ 320.373020] ? graph_lock+0x170/0x170 [ 320.376848] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.381865] ? graph_lock+0x170/0x170 [ 320.385687] ? find_held_lock+0x36/0x1c0 [ 320.389763] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.394463] ? lock_downgrade+0x900/0x900 [ 320.398632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.404188] cache_grow_begin+0x91/0x8c0 [ 320.408257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.412680] fallback_alloc+0x203/0x2e0 [ 320.416668] ____cache_alloc_node+0x1c7/0x1e0 [ 320.421175] kmem_cache_alloc_node+0xe3/0x730 [ 320.425683] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.429932] __alloc_skb+0x119/0x770 [ 320.433649] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.438937] ? skb_scrub_packet+0x490/0x490 [ 320.443262] ? lock_downgrade+0x900/0x900 [ 320.447420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.452963] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.458417] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.463872] ? addrconf_rs_timer+0x6f0/0x6f0 [ 320.468299] ndisc_alloc_skb+0x144/0x340 [ 320.472650] ndisc_send_rs+0x331/0x6e0 [ 320.476552] addrconf_rs_timer+0x3c0/0x6f0 [ 320.480793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.485045] call_timer_fn+0x272/0x920 [ 320.488935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.493173] ? process_timeout+0x40/0x40 [ 320.497234] ? find_held_lock+0x36/0x1c0 [ 320.501309] ? __run_timers+0x7da/0xc70 [ 320.505292] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.509792] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.514289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.518525] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.523112] ? trace_hardirqs_on+0xbd/0x310 [ 320.527435] ? kasan_check_read+0x11/0x20 [ 320.531587] ? __run_timers+0x7da/0xc70 [ 320.535573] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.541040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.545281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.549518] __run_timers+0x7e5/0xc70 [ 320.553333] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.558701] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.563719] ? graph_lock+0x170/0x170 [ 320.567526] ? enqueue_hrtimer+0x1a5/0x560 [ 320.571759] ? lock_release+0x970/0x970 [ 320.575740] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.580941] ? find_held_lock+0x36/0x1c0 [ 320.585011] ? graph_lock+0x170/0x170 [ 320.588815] ? pvclock_read_flags+0x160/0x160 [ 320.593316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.598853] ? check_preemption_disabled+0x48/0x200 [ 320.603882] ? __lock_is_held+0xb5/0x140 [ 320.607947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.613487] ? check_preemption_disabled+0x48/0x200 [ 320.618516] run_timer_softirq+0x52/0xb0 [ 320.622581] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.627621] __do_softirq+0x30b/0xad8 [ 320.631469] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.636582] ? pvclock_read_flags+0x160/0x160 [ 320.641089] ? lapic_next_event+0x5a/0x90 [ 320.645238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.650782] ? check_preemption_disabled+0x48/0x200 [ 320.655797] ? check_preemption_disabled+0x48/0x200 [ 320.660824] ? kvm_clock_read+0x18/0x30 [ 320.664802] ? kvm_sched_clock_read+0x9/0x20 [ 320.669214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.674750] ? check_preemption_disabled+0x48/0x200 [ 320.679780] irq_exit+0x17f/0x1c0 [ 320.683243] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.688091] ? smp_reschedule_interrupt+0x109/0x650 [ 320.693111] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.699001] ? interrupt_entry+0xb5/0xf0 [ 320.703068] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.708087] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.713109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.717954] ? trace_hardirqs_off+0x300/0x300 [ 320.722452] ? trace_hardirqs_off+0x300/0x300 [ 320.726951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.732491] ? check_preemption_disabled+0x48/0x200 [ 320.737507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.743055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.747909] apic_timer_interrupt+0xf/0x20 [ 320.752138] [ 320.754381] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 320.759312] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 320.778217] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 320.785937] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 320.793386] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 320.800670] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 320.807955] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 320.815234] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 320.822566] skb_clone+0x1bb/0x500 [ 320.826124] ? finish_task_switch+0x1b5/0x900 [ 320.830635] ? skb_split+0x11e0/0x11e0 [ 320.834532] ? preempt_notifier_register+0x200/0x200 [ 320.839650] ? __switch_to_asm+0x34/0x70 [ 320.843731] ? __switch_to_asm+0x34/0x70 [ 320.847798] ? __switch_to_asm+0x40/0x70 [ 320.851860] ? __switch_to_asm+0x34/0x70 [ 320.855924] ? __switch_to_asm+0x40/0x70 [ 320.859987] ? __switch_to_asm+0x34/0x70 [ 320.864046] ? __switch_to_asm+0x40/0x70 [ 320.868113] ? __switch_to_asm+0x34/0x70 [ 320.872179] ? __switch_to_asm+0x34/0x70 [ 320.876247] ? __switch_to_asm+0x40/0x70 [ 320.880326] ? __switch_to_asm+0x34/0x70 [ 320.884422] bpf_clone_redirect+0xb9/0x490 [ 320.888677] ? __schedule+0x874/0x1ed0 [ 320.892596] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 320.897645] ? __sched_text_start+0x8/0x8 [ 320.901809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.906611] ? find_held_lock+0x36/0x1c0 [ 320.910700] ? lock_acquire+0x1ed/0x520 [ 320.914686] ? bpf_test_run+0x32e/0x5a0 [ 320.918674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.924229] ? check_preemption_disabled+0x48/0x200 [ 320.929253] ? kasan_check_read+0x11/0x20 [ 320.933414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.938709] ? rcu_bh_qs+0xc0/0xc0 [ 320.942256] ? preempt_schedule+0x4d/0x60 [ 320.946408] ? ___preempt_schedule+0x16/0x18 [ 320.950829] ? bpf_test_run+0x1c0/0x5a0 [ 320.954819] ? netlink_diag_dump+0x2a0/0x2a0 [ 320.959238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.964778] ? bpf_test_init.isra.9+0x70/0x100 [ 320.969380] ? bpf_prog_test_run_skb+0x634/0xb40 [ 320.974150] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.979003] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.984551] ? fput+0x130/0x1a0 [ 320.987838] ? __bpf_prog_get+0x9b/0x290 [ 320.991902] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.996746] ? bpf_prog_test_run+0x130/0x1a0 [ 321.001165] ? __x64_sys_bpf+0x3d8/0x510 [ 321.005248] ? bpf_prog_get+0x20/0x20 [ 321.009077] ? ksys_ioctl+0x81/0xd0 [ 321.012736] ? do_syscall_64+0x1b9/0x820 [ 321.016804] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.022177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.027120] ? trace_hardirqs_off+0x300/0x300 [ 321.031628] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.036656] ? recalc_sigpending_tsk+0x180/0x180 [ 321.041420] ? kasan_check_write+0x14/0x20 [ 321.045676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.050541] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.055928] warn_alloc_show_mem: 1 callbacks suppressed [ 321.055940] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 321.055942] Mem-Info: [ 321.055975] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 321.055975] active_file:14 inactive_file:18 isolated_file:1 [ 321.055975] unevictable:0 dirty:0 writeback:0 unstable:0 [ 321.055975] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 321.055975] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 321.055975] free:13768 free_pcp:583 free_cma:0 [ 321.061325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.068177] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 321.070584] Call Trace: [ 321.103488] Node 0 [ 321.112868] dump_stack+0x1c4/0x2b4 [ 321.140550] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 321.143120] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.145323] lowmem_reserve[]: [ 321.148966] warn_alloc.cold.118+0xb7/0x1bd [ 321.174447] 0 [ 321.179653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.182739] 2815 [ 321.187066] ? lock_downgrade+0x900/0x900 [ 321.188845] 6318 [ 321.193697] ? trace_hardirqs_off+0xb8/0x300 [ 321.195731] 6318 [ 321.199890] ? trace_hardirqs_off+0xb8/0x300 [ 321.201927] Node 0 [ 321.206347] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.208401] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 321.212817] ? warn_alloc+0x120/0x120 [ 321.215007] lowmem_reserve[]: [ 321.219862] ? warn_alloc+0x120/0x120 [ 321.246731] 0 0 [ 321.250553] ? print_usage_bug+0xc0/0xc0 [ 321.253628] 3503 3503 [ 321.257444] ? warn_alloc+0x120/0x120 [ 321.263452] ? print_usage_bug+0xc0/0xc0 [ 321.265921] Node 0 [ 321.269721] ? __lock_acquire+0x7ec/0x4ec0 [ 321.273779] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 321.275984] ? __lock_acquire+0x7ec/0x4ec0 [ 321.280186] lowmem_reserve[]: 0 [ 321.308671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.312896] 0 [ 321.316180] ? should_fail+0x22d/0xd01 [ 321.321689] 0 [ 321.323499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.327353] 0 [ 321.329154] ? __lock_acquire+0x7ec/0x4ec0 [ 321.336037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.340683] Node 0 [ 321.345793] ? __lock_acquire+0x7ec/0x4ec0 [ 321.345813] ? should_fail+0x22d/0xd01 [ 321.348032] DMA: [ 321.352273] ? mark_held_locks+0x130/0x130 [ 321.356120] 1*4kB [ 321.358185] ? mark_held_locks+0x130/0x130 [ 321.362383] (U) [ 321.364533] ? graph_lock+0x170/0x170 [ 321.368738] 0*8kB 0*16kB [ 321.370723] ? graph_lock+0x170/0x170 [ 321.374497] 1*32kB [ 321.377259] ? graph_lock+0x170/0x170 [ 321.381031] (U) [ 321.383266] ? print_usage_bug+0xc0/0xc0 [ 321.387040] 2*64kB [ 321.389015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.393046] (U) [ 321.395281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.400784] 1*128kB (U) [ 321.402765] ? check_preemption_disabled+0x48/0x200 [ 321.408274] 1*256kB (U) [ 321.410961] ? check_preemption_disabled+0x48/0x200 [ 321.415953] 0*512kB [ 321.418643] ? __lock_is_held+0xb5/0x140 [ 321.423636] 1*1024kB [ 321.425968] __alloc_pages_nodemask+0xa80/0xde0 [ 321.429991] (U) [ 321.432391] ? graph_lock+0x170/0x170 [ 321.432404] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.432410] ? graph_lock+0x170/0x170 [ 321.432424] ? find_held_lock+0x36/0x1c0 [ 321.432439] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.432448] ? lock_downgrade+0x900/0x900 [ 321.432461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.432473] cache_grow_begin+0x91/0x8c0 [ 321.432482] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.432495] fallback_alloc+0x203/0x2e0 [ 321.432507] ____cache_alloc_node+0x1c7/0x1e0 [ 321.432518] kmem_cache_alloc_node+0xe3/0x730 [ 321.432528] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.432542] __alloc_skb+0x119/0x770 [ 321.432550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.432561] ? skb_scrub_packet+0x490/0x490 [ 321.432568] ? lock_downgrade+0x900/0x900 [ 321.432580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.432589] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.432600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.432624] ? addrconf_rs_timer+0x6f0/0x6f0 [ 321.432651] ndisc_alloc_skb+0x144/0x340 [ 321.437295] 1*2048kB [ 321.439276] ndisc_send_rs+0x331/0x6e0 [ 321.443060] (M) [ 321.448074] addrconf_rs_timer+0x3c0/0x6f0 [ 321.451844] 3*4096kB (M) [ 321.455917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.460556] = 15908kB [ 321.464712] call_timer_fn+0x272/0x920 [ 321.470211] Node 0 [ 321.474270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.478644] DMA32: 4*4kB [ 321.482640] ? process_timeout+0x40/0x40 [ 321.487106] (UM) 2*8kB [ 321.491621] ? find_held_lock+0x36/0x1c0 [ 321.495823] (M) 1*16kB [ 321.499573] ? __run_timers+0x7da/0xc70 [ 321.504812] (M) [ 321.509139] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.513254] 1*32kB (M) [ 321.518802] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.524228] 3*64kB [ 321.529690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.534071] (UM) [ 321.538132] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.540506] 3*128kB (M) [ 321.544396] ? trace_hardirqs_on+0xbd/0x310 [ 321.546344] 2*256kB [ 321.550570] ? kasan_check_read+0x11/0x20 [ 321.553305] (M) [ 321.557536] ? __run_timers+0x7da/0xc70 [ 321.559917] 3*512kB [ 321.563799] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.566005] (M) [ 321.570243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.572975] 4*1024kB [ 321.577033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.579591] (UM) [ 321.583659] __run_timers+0x7e5/0xc70 [ 321.586220] 3*2048kB [ 321.590212] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.592148] (M) [ 321.596643] ? compat_start_thread+0x80/0x80 [ 321.599201] 3*4096kB [ 321.603695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.605901] (M) [ 321.610134] ? kasan_check_write+0x14/0x20 [ 321.612166] = 25232kB [ 321.612175] Node 0 [ 321.616754] ? finish_task_switch+0x2f5/0x900 [ 321.619392] Normal: 1065*4kB [ 321.623719] ? __switch_to_asm+0x40/0x70 [ 321.626022] (MEH) [ 321.630180] ? preempt_notifier_register+0x200/0x200 [ 321.632149] 487*8kB [ 321.636126] ? __switch_to_asm+0x34/0x70 [ 321.638424] (ME) [ 321.643869] ? __switch_to_asm+0x40/0x70 [ 321.643885] ? __switch_to_asm+0x34/0x70 [ 321.645844] 153*16kB [ 321.650074] ? __switch_to_asm+0x40/0x70 [ 321.650089] ? __switch_to_asm+0x34/0x70 [ 321.652480] (MEH) [ 321.656719] ? __switch_to_asm+0x40/0x70 [ 321.658757] 77*32kB [ 321.662589] ? pvclock_read_flags+0x160/0x160 [ 321.664972] (UM) [ 321.670347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.672294] 0*64kB [ 321.676701] ? check_preemption_disabled+0x48/0x200 [ 321.679087] 1*128kB [ 321.684634] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 321.686574] (H) [ 321.690829] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.693213] 1*256kB [ 321.695444] ? rcu_pm_notify+0xc0/0xc0 [ 321.699912] (U) [ 321.703016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.707049] 1*512kB (U) [ 321.709208] ? check_preemption_disabled+0x48/0x200 [ 321.714279] 0*1024kB 0*2048kB [ 321.716620] run_timer_softirq+0x52/0xb0 [ 321.720652] 0*4096kB [ 321.722713] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.726744] = 13964kB [ 321.730807] __do_softirq+0x30b/0xad8 [ 321.733198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.737256] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.741289] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.743431] ? trace_hardirqs_off_caller+0x300/0x300 [ 321.747464] 412 total pagecache pages [ 321.749781] ? trace_hardirqs_on+0x310/0x310 [ 321.754257] 0 pages in swap cache [ 321.756313] ? schedule+0x108/0x460 [ 321.761826] Swap cache stats: add 0, delete 0, find 0/0 [ 321.764058] ? __schedule+0x1ed0/0x1ed0 [ 321.769041] Free swap = 0kB [ 321.771363] ? trace_hardirqs_off+0xb8/0x300 [ 321.776871] Total swap = 0kB [ 321.778844] ? ___might_sleep+0x1ed/0x300 [ 321.784091] 1965979 pages RAM [ 321.786412] ? smpboot_thread_fn+0x68b/0xa00 [ 321.790265] 0 pages HighMem/MovableOnly [ 321.790274] 343323 pages reserved [ 321.792250] ? trace_hardirqs_on+0x310/0x310 [ 321.797752] 0 pages cma reserved [ 321.797832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.800431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.805519] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.808626] ? check_preemption_disabled+0x48/0x200 [ 321.812666] syz-executor0 cpuset= [ 321.815074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.820058] syz0 [ 321.822469] ? takeover_tasklets+0xa90/0xa90 [ 321.826243] mems_allowed=0 [ 321.835084] run_ksoftirqd+0x94/0x100 [ 321.965316] smpboot_thread_fn+0x68b/0xa00 [ 321.969578] ? sort_range+0x30/0x30 [ 321.973241] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.978389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.983968] ? __kthread_parkme+0xfb/0x1a0 [ 321.988234] kthread+0x35a/0x420 [ 321.991632] ? sort_range+0x30/0x30 [ 321.995286] ? kthread_bind+0x40/0x40 [ 321.999105] ret_from_fork+0x3a/0x50 [ 322.002879] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 322.002961] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.010160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.010174] Call Trace: [ 322.016802] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.026030] [ 322.028611] ksoftirqd/1 cpuset= [ 322.038936] dump_stack+0x1c4/0x2b4 [ 322.041066] / [ 322.044343] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.047949] mems_allowed=0 [ 322.049676] warn_alloc.cold.118+0xb7/0x1bd [ 322.062071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.066923] ? lock_downgrade+0x900/0x900 [ 322.071081] ? trace_hardirqs_off+0xb8/0x300 [ 322.075498] ? trace_hardirqs_off+0xb8/0x300 [ 322.079922] __alloc_pages_slowpath+0x2667/0x2d80 [ 322.084804] ? warn_alloc+0x120/0x120 [ 322.088628] ? trace_hardirqs_on+0x310/0x310 [ 322.093059] ? warn_alloc+0x120/0x120 [ 322.096869] ? print_usage_bug+0xc0/0xc0 [ 322.100934] ? warn_alloc+0x120/0x120 [ 322.104749] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.109830] ? print_usage_bug+0xc0/0xc0 [ 322.113904] ? __lock_acquire+0x7ec/0x4ec0 [ 322.118141] ? __lock_acquire+0x7ec/0x4ec0 [ 322.122385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.127929] ? should_fail+0x22d/0xd01 [ 322.131830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.136947] ? __lock_acquire+0x7ec/0x4ec0 [ 322.141200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.146319] ? __lock_acquire+0x7ec/0x4ec0 [ 322.150573] ? should_fail+0x22d/0xd01 [ 322.154490] ? print_usage_bug+0xc0/0xc0 [ 322.158564] ? mark_held_locks+0x130/0x130 [ 322.162805] ? mark_held_locks+0x130/0x130 [ 322.167048] ? graph_lock+0x170/0x170 [ 322.170850] ? print_usage_bug+0xc0/0xc0 [ 322.174913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.179686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.185235] ? check_preemption_disabled+0x48/0x200 [ 322.190254] ? check_preemption_disabled+0x48/0x200 [ 322.195287] ? __lock_is_held+0xb5/0x140 [ 322.199356] __alloc_pages_nodemask+0xa80/0xde0 [ 322.204027] ? graph_lock+0x170/0x170 [ 322.207834] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.212857] ? graph_lock+0x170/0x170 [ 322.216680] ? find_held_lock+0x36/0x1c0 [ 322.220756] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.225452] ? lock_downgrade+0x900/0x900 [ 322.229624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.235190] cache_grow_begin+0x91/0x8c0 [ 322.239267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.243696] fallback_alloc+0x203/0x2e0 [ 322.247692] ____cache_alloc_node+0x1c7/0x1e0 [ 322.252206] kmem_cache_alloc_node+0xe3/0x730 [ 322.256721] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.260975] __alloc_skb+0x119/0x770 [ 322.264702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.269991] ? skb_scrub_packet+0x490/0x490 [ 322.274315] ? lock_downgrade+0x900/0x900 [ 322.278479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.284021] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.289484] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.294944] ? addrconf_rs_timer+0x6f0/0x6f0 [ 322.299375] ndisc_alloc_skb+0x144/0x340 [ 322.303446] ndisc_send_rs+0x331/0x6e0 [ 322.307350] addrconf_rs_timer+0x3c0/0x6f0 [ 322.311599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.315862] call_timer_fn+0x272/0x920 [ 322.319781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.324024] ? process_timeout+0x40/0x40 [ 322.328087] ? find_held_lock+0x36/0x1c0 [ 322.332167] ? __run_timers+0x7da/0xc70 [ 322.336153] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.341098] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.345601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.349848] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 322.354440] ? trace_hardirqs_on+0xbd/0x310 [ 322.358763] ? kasan_check_read+0x11/0x20 [ 322.362917] ? __run_timers+0x7da/0xc70 [ 322.366894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.372355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.376600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.380851] __run_timers+0x7e5/0xc70 [ 322.384673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.390051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.395076] ? graph_lock+0x170/0x170 [ 322.398883] ? enqueue_hrtimer+0x1a5/0x560 [ 322.403120] ? lock_release+0x970/0x970 [ 322.407107] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.412313] ? find_held_lock+0x36/0x1c0 [ 322.416387] ? graph_lock+0x170/0x170 [ 322.420201] ? pvclock_read_flags+0x160/0x160 [ 322.424705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.430252] ? check_preemption_disabled+0x48/0x200 [ 322.435291] ? __lock_is_held+0xb5/0x140 [ 322.439359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.444907] ? check_preemption_disabled+0x48/0x200 [ 322.449994] run_timer_softirq+0x52/0xb0 [ 322.454062] ? rcu_read_lock_sched_held+0x108/0x120 [ 322.459095] __do_softirq+0x30b/0xad8 [ 322.462919] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 322.468041] ? pvclock_read_flags+0x160/0x160 [ 322.472928] ? lapic_next_event+0x5a/0x90 [ 322.477080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.482631] ? check_preemption_disabled+0x48/0x200 [ 322.487669] ? check_preemption_disabled+0x48/0x200 [ 322.492705] ? kvm_clock_read+0x18/0x30 [ 322.496693] ? kvm_sched_clock_read+0x9/0x20 [ 322.501118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.506672] ? check_preemption_disabled+0x48/0x200 [ 322.511722] irq_exit+0x17f/0x1c0 [ 322.515184] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.520048] ? smp_reschedule_interrupt+0x109/0x650 [ 322.525087] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.530989] ? interrupt_entry+0xb5/0xf0 [ 322.535062] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.540094] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.545127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.549992] ? trace_hardirqs_off+0x300/0x300 [ 322.554498] ? trace_hardirqs_off+0x300/0x300 [ 322.559002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.564557] ? check_preemption_disabled+0x48/0x200 [ 322.569584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.575169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.580065] apic_timer_interrupt+0xf/0x20 [ 322.584298] [ 322.586546] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 322.591488] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 322.610401] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 322.618131] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 322.625415] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 322.632712] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 322.639990] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 322.647278] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 322.654629] skb_clone+0x1bb/0x500 [ 322.658183] ? finish_task_switch+0x1b5/0x900 [ 322.662692] ? skb_split+0x11e0/0x11e0 [ 322.666582] ? preempt_notifier_register+0x200/0x200 [ 322.671707] ? __switch_to_asm+0x34/0x70 [ 322.675774] ? __switch_to_asm+0x34/0x70 [ 322.679835] ? __switch_to_asm+0x40/0x70 [ 322.683898] ? __switch_to_asm+0x34/0x70 [ 322.687961] ? __switch_to_asm+0x40/0x70 [ 322.692023] ? __switch_to_asm+0x34/0x70 [ 322.696087] ? __switch_to_asm+0x40/0x70 [ 322.700148] ? __switch_to_asm+0x34/0x70 [ 322.704213] ? __switch_to_asm+0x34/0x70 [ 322.708283] ? __switch_to_asm+0x40/0x70 [ 322.712346] ? __switch_to_asm+0x34/0x70 [ 322.716424] bpf_clone_redirect+0xb9/0x490 [ 322.720679] ? __schedule+0x874/0x1ed0 [ 322.724580] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 322.729631] ? __sched_text_start+0x8/0x8 [ 322.733788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.738566] ? find_held_lock+0x36/0x1c0 [ 322.742651] ? lock_acquire+0x1ed/0x520 [ 322.746670] ? bpf_test_run+0x32e/0x5a0 [ 322.750657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.756215] ? check_preemption_disabled+0x48/0x200 [ 322.761243] ? kasan_check_read+0x11/0x20 [ 322.765399] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.770685] ? rcu_bh_qs+0xc0/0xc0 [ 322.774235] ? preempt_schedule+0x4d/0x60 [ 322.778390] ? ___preempt_schedule+0x16/0x18 [ 322.782811] ? bpf_test_run+0x1c0/0x5a0 [ 322.786798] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.791215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.796762] ? bpf_test_init.isra.9+0x70/0x100 [ 322.801358] ? bpf_prog_test_run_skb+0x634/0xb40 [ 322.806136] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.810983] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.816531] ? fput+0x130/0x1a0 [ 322.819823] ? __bpf_prog_get+0x9b/0x290 [ 322.823907] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.828760] ? bpf_prog_test_run+0x130/0x1a0 [ 322.833177] ? __x64_sys_bpf+0x3d8/0x510 [ 322.837245] ? bpf_prog_get+0x20/0x20 [ 322.841059] ? ksys_ioctl+0x81/0xd0 [ 322.844705] ? do_syscall_64+0x1b9/0x820 [ 322.848781] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.854160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.859098] ? trace_hardirqs_off+0x300/0x300 [ 322.863624] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.868650] ? recalc_sigpending_tsk+0x180/0x180 [ 322.873418] ? kasan_check_write+0x14/0x20 [ 322.877668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.882528] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.887910] warn_alloc_show_mem: 1 callbacks suppressed [ 322.887922] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 322.887924] Mem-Info: [ 322.887956] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 322.887956] active_file:14 inactive_file:18 isolated_file:1 [ 322.887956] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.887956] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 322.887956] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 322.887956] free:13768 free_pcp:583 free_cma:0 [ 322.893299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.900150] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.902553] Call Trace: [ 322.935433] Node 0 [ 322.944808] dump_stack+0x1c4/0x2b4 [ 322.972495] 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 [ 322.975059] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.977271] lowmem_reserve[]: 0 [ 322.980940] warn_alloc.cold.118+0xb7/0x1bd [ 323.006409] 2815 6318 [ 323.011628] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.014878] 6318 [ 323.019213] ? lock_downgrade+0x900/0x900 [ 323.026537] ? trace_hardirqs_off+0xb8/0x300 [ 323.028569] Node 0 [ 323.032719] ? trace_hardirqs_off+0xb8/0x300 [ 323.037120] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 323.039338] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.043703] lowmem_reserve[]: 0 [ 323.070644] ? warn_alloc+0x120/0x120 [ 323.075443] 0 [ 323.078728] ? warn_alloc+0x120/0x120 [ 323.082489] 3503 [ 323.084289] ? print_usage_bug+0xc0/0xc0 [ 323.088051] 3503 [ 323.090121] ? warn_alloc+0x120/0x120 [ 323.094171] Node 0 [ 323.096235] ? print_usage_bug+0xc0/0xc0 [ 323.100032] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 323.102237] ? __lock_acquire+0x7ec/0x4ec0 [ 323.106266] lowmem_reserve[]: 0 [ 323.134744] ? __lock_acquire+0x7ec/0x4ec0 [ 323.138953] 0 [ 323.142243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.146469] 0 [ 323.148271] ? should_fail+0x22d/0xd01 [ 323.153782] 0 [ 323.155602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.161259] ? __lock_acquire+0x7ec/0x4ec0 [ 323.166334] Node 0 DMA: [ 323.170568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.170586] ? __lock_acquire+0x7ec/0x4ec0 [ 323.173323] 1*4kB [ 323.178425] ? should_fail+0x22d/0xd01 [ 323.182635] (U) [ 323.184783] ? print_usage_bug+0xc0/0xc0 [ 323.188635] 0*8kB 0*16kB [ 323.190630] ? mark_held_locks+0x130/0x130 [ 323.194653] 1*32kB (U) [ 323.197423] ? mark_held_locks+0x130/0x130 [ 323.201638] 2*64kB [ 323.204224] ? graph_lock+0x170/0x170 [ 323.208422] (U) [ 323.210659] ? print_usage_bug+0xc0/0xc0 [ 323.214429] 1*128kB (U) [ 323.216414] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.220443] 1*256kB (U) [ 323.223128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.227852] 0*512kB 1*1024kB [ 323.230530] ? check_preemption_disabled+0x48/0x200 [ 323.236038] (U) [ 323.239142] ? check_preemption_disabled+0x48/0x200 [ 323.244134] 1*2048kB [ 323.246118] ? __lock_is_held+0xb5/0x140 [ 323.251094] (M) [ 323.253508] __alloc_pages_nodemask+0xa80/0xde0 [ 323.257529] 3*4096kB (M) [ 323.259514] ? graph_lock+0x170/0x170 [ 323.264154] = 15908kB [ 323.266916] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.270688] Node 0 [ 323.273096] ? graph_lock+0x170/0x170 [ 323.278090] DMA32: [ 323.280337] ? find_held_lock+0x36/0x1c0 [ 323.284102] 4*4kB [ 323.286359] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.290382] (UM) 2*8kB [ 323.292544] ? lock_downgrade+0x900/0x900 [ 323.297184] (M) [ 323.299773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.303889] 1*16kB [ 323.305869] cache_grow_begin+0x91/0x8c0 [ 323.311375] (M) [ 323.313627] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.317656] 1*32kB [ 323.319646] fallback_alloc+0x203/0x2e0 [ 323.324027] (M) [ 323.326275] ____cache_alloc_node+0x1c7/0x1e0 [ 323.330224] 3*64kB [ 323.332213] kmem_cache_alloc_node+0xe3/0x730 [ 323.336676] (UM) [ 323.339354] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.343830] 3*128kB [ 323.345903] __alloc_skb+0x119/0x770 [ 323.350103] (M) [ 323.352431] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.356115] 2*256kB [ 323.358099] ? skb_scrub_packet+0x490/0x490 [ 323.363339] (M) [ 323.365664] ? lock_downgrade+0x900/0x900 [ 323.369957] 3*512kB [ 323.371933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.376047] (M) [ 323.378373] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.383884] 4*1024kB [ 323.385859] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.391279] (UM) [ 323.393698] ? addrconf_rs_timer+0x6f0/0x6f0 [ 323.399115] 3*2048kB (M) [ 323.401199] ndisc_alloc_skb+0x144/0x340 [ 323.405572] 3*4096kB [ 323.408348] ndisc_send_rs+0x331/0x6e0 [ 323.412381] (M) [ 323.414797] addrconf_rs_timer+0x3c0/0x6f0 [ 323.418657] = 25232kB [ 323.420643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.424853] Node 0 [ 323.427282] call_timer_fn+0x272/0x920 [ 323.431483] Normal: [ 323.433731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.437601] 1065*4kB [ 323.439935] ? process_timeout+0x40/0x40 [ 323.444142] (MEH) [ 323.446563] ? find_held_lock+0x36/0x1c0 [ 323.450625] 487*8kB [ 323.452785] ? __run_timers+0x7da/0xc70 [ 323.456803] (ME) 153*16kB [ 323.459142] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.463090] (MEH) [ 323.465944] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.470419] 77*32kB [ 323.472578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.477045] (UM) [ 323.479370] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.483576] 0*64kB [ 323.485649] ? trace_hardirqs_on+0xbd/0x310 [ 323.490206] 1*128kB [ 323.492470] ? kasan_check_read+0x11/0x20 [ 323.496765] (H) [ 323.499093] ? __run_timers+0x7da/0xc70 [ 323.503209] 1*256kB (U) [ 323.505200] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.509141] 1*512kB (U) [ 323.511838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.517254] 0*1024kB 0*2048kB [ 323.519944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.524143] 0*4096kB = 13964kB [ 323.527354] __run_timers+0x7e5/0xc70 [ 323.531567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.534765] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.538535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.547379] ? compat_start_thread+0x80/0x80 [ 323.552729] 412 total pagecache pages [ 323.561318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.565721] 0 pages in swap cache [ 323.569532] ? kasan_check_write+0x14/0x20 [ 323.575050] Swap cache stats: add 0, delete 0, find 0/0 [ 323.578510] ? finish_task_switch+0x2f5/0x900 [ 323.582712] Free swap = 0kB [ 323.582721] Total swap = 0kB [ 323.588092] ? __switch_to_asm+0x40/0x70 [ 323.588116] ? preempt_notifier_register+0x200/0x200 [ 323.592594] 1965979 pages RAM [ 323.595639] ? __switch_to_asm+0x34/0x70 [ 323.598639] 0 pages HighMem/MovableOnly [ 323.602738] ? __switch_to_asm+0x40/0x70 [ 323.607825] 343323 pages reserved [ 323.607834] 0 pages cma reserved [ 323.610947] ? __switch_to_asm+0x34/0x70 [ 323.615047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.618954] ? __switch_to_asm+0x40/0x70 [ 323.623101] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.626465] ? __switch_to_asm+0x34/0x70 [ 323.629804] syz-executor0 cpuset= [ 323.633863] ? __switch_to_asm+0x40/0x70 [ 323.633890] ? pvclock_read_flags+0x160/0x160 [ 323.640360] syz0 [ 323.644434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.654903] mems_allowed=0 [ 323.658963] ? check_preemption_disabled+0x48/0x200 [ 323.686374] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 323.691928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.697229] ? rcu_pm_notify+0xc0/0xc0 [ 323.701135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.706698] ? check_preemption_disabled+0x48/0x200 [ 323.711746] run_timer_softirq+0x52/0xb0 [ 323.715823] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.720865] __do_softirq+0x30b/0xad8 [ 323.724700] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.729821] ? trace_hardirqs_off_caller+0x300/0x300 [ 323.734947] ? trace_hardirqs_on+0x310/0x310 [ 323.739382] ? schedule+0x108/0x460 [ 323.743030] ? __schedule+0x1ed0/0x1ed0 [ 323.747029] ? trace_hardirqs_off+0xb8/0x300 [ 323.751455] ? ___might_sleep+0x1ed/0x300 [ 323.755618] ? smpboot_thread_fn+0x68b/0xa00 [ 323.760038] ? trace_hardirqs_on+0x310/0x310 [ 323.764476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.770028] ? check_preemption_disabled+0x48/0x200 [ 323.775059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.780622] ? takeover_tasklets+0xa90/0xa90 [ 323.785050] run_ksoftirqd+0x94/0x100 [ 323.788866] smpboot_thread_fn+0x68b/0xa00 [ 323.793127] ? sort_range+0x30/0x30 [ 323.796776] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.801899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.807461] ? __kthread_parkme+0xfb/0x1a0 [ 323.811724] kthread+0x35a/0x420 [ 323.815110] ? sort_range+0x30/0x30 [ 323.818760] ? kthread_bind+0x40/0x40 [ 323.822587] ret_from_fork+0x3a/0x50 [ 323.826352] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 323.826430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.833645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.833651] Call Trace: [ 323.833658] [ 323.833686] dump_stack+0x1c4/0x2b4 [ 323.833701] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.833728] warn_alloc.cold.118+0xb7/0x1bd [ 323.840271] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.849574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.852136] ksoftirqd/1 cpuset= [ 323.854281] ? lock_downgrade+0x900/0x900 [ 323.857879] / [ 323.863078] ? trace_hardirqs_off+0xb8/0x300 [ 323.867381] mems_allowed=0 [ 323.877712] ? trace_hardirqs_off+0xb8/0x300 [ 323.903385] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.908296] ? warn_alloc+0x120/0x120 [ 323.912114] ? trace_hardirqs_on+0x310/0x310 [ 323.916530] ? warn_alloc+0x120/0x120 [ 323.920340] ? print_usage_bug+0xc0/0xc0 [ 323.924407] ? warn_alloc+0x120/0x120 [ 323.928211] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 323.933235] ? print_usage_bug+0xc0/0xc0 [ 323.937304] ? __lock_acquire+0x7ec/0x4ec0 [ 323.941545] ? __lock_acquire+0x7ec/0x4ec0 [ 323.945799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.951346] ? should_fail+0x22d/0xd01 [ 323.955245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.960352] ? __lock_acquire+0x7ec/0x4ec0 [ 323.964650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.969772] ? __lock_acquire+0x7ec/0x4ec0 [ 323.974006] ? should_fail+0x22d/0xd01 [ 323.977896] ? print_usage_bug+0xc0/0xc0 [ 323.981976] ? mark_held_locks+0x130/0x130 [ 323.986216] ? mark_held_locks+0x130/0x130 [ 323.990481] ? graph_lock+0x170/0x170 [ 323.994283] ? print_usage_bug+0xc0/0xc0 [ 323.998343] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.003100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.008639] ? check_preemption_disabled+0x48/0x200 [ 324.013665] ? check_preemption_disabled+0x48/0x200 [ 324.018700] ? __lock_is_held+0xb5/0x140 [ 324.022771] __alloc_pages_nodemask+0xa80/0xde0 [ 324.027466] ? graph_lock+0x170/0x170 [ 324.031279] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.036304] ? graph_lock+0x170/0x170 [ 324.040125] ? find_held_lock+0x36/0x1c0 [ 324.044204] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.048878] ? lock_downgrade+0x900/0x900 [ 324.053034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.058587] cache_grow_begin+0x91/0x8c0 [ 324.062675] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.067096] fallback_alloc+0x203/0x2e0 [ 324.071079] ____cache_alloc_node+0x1c7/0x1e0 [ 324.075581] kmem_cache_alloc_node+0xe3/0x730 [ 324.080086] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.084337] __alloc_skb+0x119/0x770 [ 324.088055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.093341] ? skb_scrub_packet+0x490/0x490 [ 324.097674] ? lock_downgrade+0x900/0x900 [ 324.101837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.107379] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.112835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.118294] ? addrconf_rs_timer+0x6f0/0x6f0 [ 324.122718] ndisc_alloc_skb+0x144/0x340 [ 324.126785] ndisc_send_rs+0x331/0x6e0 [ 324.130688] addrconf_rs_timer+0x3c0/0x6f0 [ 324.134938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.139193] call_timer_fn+0x272/0x920 [ 324.143090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.147331] ? process_timeout+0x40/0x40 [ 324.151393] ? find_held_lock+0x36/0x1c0 [ 324.155486] ? __run_timers+0x7da/0xc70 [ 324.159470] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.163984] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.168479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.172721] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 324.177303] ? trace_hardirqs_on+0xbd/0x310 [ 324.181629] ? kasan_check_read+0x11/0x20 [ 324.185785] ? __run_timers+0x7da/0xc70 [ 324.189768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.195229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.199473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.203710] __run_timers+0x7e5/0xc70 [ 324.207526] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 324.212892] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.217912] ? graph_lock+0x170/0x170 [ 324.221720] ? enqueue_hrtimer+0x1a5/0x560 [ 324.225961] ? lock_release+0x970/0x970 [ 324.229939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.235139] ? find_held_lock+0x36/0x1c0 [ 324.239209] ? graph_lock+0x170/0x170 [ 324.243011] ? pvclock_read_flags+0x160/0x160 [ 324.247513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.253057] ? check_preemption_disabled+0x48/0x200 [ 324.258088] ? __lock_is_held+0xb5/0x140 [ 324.262152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.267698] ? check_preemption_disabled+0x48/0x200 [ 324.272723] run_timer_softirq+0x52/0xb0 [ 324.276800] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.281829] __do_softirq+0x30b/0xad8 [ 324.285655] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 324.290776] ? pvclock_read_flags+0x160/0x160 [ 324.295276] ? lapic_next_event+0x5a/0x90 [ 324.299432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.304978] ? check_preemption_disabled+0x48/0x200 [ 324.309996] ? check_preemption_disabled+0x48/0x200 [ 324.315023] ? kvm_clock_read+0x18/0x30 [ 324.319002] ? kvm_sched_clock_read+0x9/0x20 [ 324.323423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.328968] ? check_preemption_disabled+0x48/0x200 [ 324.334011] irq_exit+0x17f/0x1c0 [ 324.337476] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.342756] ? smp_reschedule_interrupt+0x109/0x650 [ 324.347784] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.353678] ? interrupt_entry+0xb5/0xf0 [ 324.357745] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.362760] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.367780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.372633] ? trace_hardirqs_off+0x300/0x300 [ 324.377131] ? trace_hardirqs_off+0x300/0x300 [ 324.381636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.387185] ? check_preemption_disabled+0x48/0x200 [ 324.392209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.397760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.402626] apic_timer_interrupt+0xf/0x20 [ 324.406859] [ 324.409100] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 324.414034] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 324.432949] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 324.440683] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 324.447962] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 324.455237] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 324.462512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 324.470037] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 324.477346] skb_clone+0x1bb/0x500 [ 324.480889] ? finish_task_switch+0x1b5/0x900 [ 324.485395] ? skb_split+0x11e0/0x11e0 [ 324.489310] ? preempt_notifier_register+0x200/0x200 [ 324.494419] ? __switch_to_asm+0x34/0x70 [ 324.498490] ? __switch_to_asm+0x34/0x70 [ 324.502554] ? __switch_to_asm+0x40/0x70 [ 324.506639] ? __switch_to_asm+0x34/0x70 [ 324.510706] ? __switch_to_asm+0x40/0x70 [ 324.514769] ? __switch_to_asm+0x34/0x70 [ 324.518832] ? __switch_to_asm+0x40/0x70 [ 324.522895] ? __switch_to_asm+0x34/0x70 [ 324.526963] ? __switch_to_asm+0x34/0x70 [ 324.531026] ? __switch_to_asm+0x40/0x70 [ 324.535092] ? __switch_to_asm+0x34/0x70 [ 324.539171] bpf_clone_redirect+0xb9/0x490 [ 324.543417] ? __schedule+0x874/0x1ed0 [ 324.547315] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 324.552340] ? __sched_text_start+0x8/0x8 [ 324.556489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.561259] ? find_held_lock+0x36/0x1c0 [ 324.565330] ? lock_acquire+0x1ed/0x520 [ 324.569306] ? bpf_test_run+0x32e/0x5a0 [ 324.573286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.578841] ? check_preemption_disabled+0x48/0x200 [ 324.583871] ? kasan_check_read+0x11/0x20 [ 324.588027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.593310] ? rcu_bh_qs+0xc0/0xc0 [ 324.596859] ? preempt_schedule+0x4d/0x60 [ 324.601016] ? ___preempt_schedule+0x16/0x18 [ 324.605436] ? bpf_test_run+0x1c0/0x5a0 [ 324.609441] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.613859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.619401] ? bpf_test_init.isra.9+0x70/0x100 [ 324.623995] ? bpf_prog_test_run_skb+0x634/0xb40 [ 324.628768] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.633622] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.639173] ? fput+0x130/0x1a0 [ 324.642456] ? __bpf_prog_get+0x9b/0x290 [ 324.646527] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.651370] ? bpf_prog_test_run+0x130/0x1a0 [ 324.655789] ? __x64_sys_bpf+0x3d8/0x510 [ 324.659853] ? bpf_prog_get+0x20/0x20 [ 324.663669] ? ksys_ioctl+0x81/0xd0 [ 324.667309] ? do_syscall_64+0x1b9/0x820 [ 324.671375] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.676747] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.681688] ? trace_hardirqs_off+0x300/0x300 [ 324.686190] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.691215] ? recalc_sigpending_tsk+0x180/0x180 [ 324.695978] ? kasan_check_write+0x14/0x20 [ 324.700225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.705103] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.710488] warn_alloc_show_mem: 1 callbacks suppressed [ 324.710500] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 324.710502] Mem-Info: [ 324.710534] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 324.710534] active_file:14 inactive_file:18 isolated_file:1 [ 324.710534] unevictable:0 dirty:0 writeback:0 unstable:0 [ 324.710534] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 324.710534] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 324.710534] free:13768 free_pcp:583 free_cma:0 [ 324.715873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.715885] Call Trace: [ 324.722749] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 324.725158] dump_stack+0x1c4/0x2b4 [ 324.758025] Node 0 [ 324.767397] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.769980] 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 [ 324.797649] warn_alloc.cold.118+0xb7/0x1bd [ 324.801247] lowmem_reserve[]: [ 324.803480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.808642] 0 [ 324.834156] ? lock_downgrade+0x900/0x900 [ 324.838478] 2815 [ 324.841588] ? trace_hardirqs_off+0xb8/0x300 [ 324.846392] 6318 [ 324.848198] ? trace_hardirqs_off+0xb8/0x300 [ 324.852315] 6318 [ 324.854380] __alloc_pages_slowpath+0x2667/0x2d80 [ 324.860837] ? warn_alloc+0x120/0x120 [ 324.865192] Node 0 [ 324.867250] ? warn_alloc+0x120/0x120 [ 324.872086] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 324.875858] ? print_usage_bug+0xc0/0xc0 [ 324.878063] lowmem_reserve[]: 0 [ 324.881874] ? warn_alloc+0x120/0x120 [ 324.908749] 0 [ 324.912817] ? print_usage_bug+0xc0/0xc0 [ 324.916056] 3503 3503 [ 324.919875] ? __lock_acquire+0x7ec/0x4ec0 [ 324.921648] Node 0 [ 324.925713] ? __lock_acquire+0x7ec/0x4ec0 [ 324.928213] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 324.932423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.934630] lowmem_reserve[]: 0 [ 324.938874] ? should_fail+0x22d/0xd01 [ 324.967301] 0 0 [ 324.972861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.976108] 0 [ 324.979997] ? __lock_acquire+0x7ec/0x4ec0 [ 324.981942] Node 0 [ 324.987052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.988827] DMA: [ 324.993057] ? __lock_acquire+0x7ec/0x4ec0 [ 324.995263] 1*4kB [ 325.000368] ? should_fail+0x22d/0xd01 [ 325.002402] (U) [ 325.006662] ? mark_held_locks+0x130/0x130 [ 325.008786] 0*8kB [ 325.012674] ? mark_held_locks+0x130/0x130 [ 325.014631] 0*16kB [ 325.018863] ? graph_lock+0x170/0x170 [ 325.020988] 1*32kB [ 325.025225] ? graph_lock+0x170/0x170 [ 325.027437] (U) [ 325.031232] ? graph_lock+0x170/0x170 [ 325.033444] 2*64kB [ 325.037239] ? print_usage_bug+0xc0/0xc0 [ 325.039181] (U) 1*128kB [ 325.042988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.045194] (U) 1*256kB [ 325.049262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.051900] (U) 0*512kB [ 325.057442] ? check_preemption_disabled+0x48/0x200 [ 325.060106] 1*1024kB [ 325.065646] ? check_preemption_disabled+0x48/0x200 [ 325.065674] ? __lock_is_held+0xb5/0x140 [ 325.068320] (U) [ 325.073339] __alloc_pages_nodemask+0xa80/0xde0 [ 325.075723] 1*2048kB [ 325.080735] ? graph_lock+0x170/0x170 [ 325.084770] (M) [ 325.086751] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 325.091392] 3*4096kB [ 325.093798] ? graph_lock+0x170/0x170 [ 325.097572] (M) [ 325.099554] ? find_held_lock+0x36/0x1c0 [ 325.104529] = 15908kB [ 325.104539] Node 0 [ 325.106964] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.110736] DMA32: [ 325.112712] ? lock_downgrade+0x900/0x900 [ 325.116745] 4*4kB [ 325.119160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.121362] (UM) [ 325.126033] cache_grow_begin+0x91/0x8c0 [ 325.128231] 2*8kB (M) [ 325.132389] ? do_raw_spin_unlock+0xa7/0x2f0 [ 325.134509] 1*16kB [ 325.140053] fallback_alloc+0x203/0x2e0 [ 325.142081] (M) [ 325.146148] ____cache_alloc_node+0x1c7/0x1e0 [ 325.148622] 1*32kB [ 325.153036] kmem_cache_alloc_node+0xe3/0x730 [ 325.155242] (M) [ 325.159221] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.161166] 3*64kB (UM) [ 325.165680] __alloc_skb+0x119/0x770 [ 325.167891] 3*128kB [ 325.172390] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.174339] (M) [ 325.178576] ? skb_scrub_packet+0x490/0x490 [ 325.181221] 2*256kB [ 325.184937] ? lock_downgrade+0x900/0x900 [ 325.187233] (M) [ 325.192515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.194459] 3*512kB [ 325.198773] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.201069] (M) [ 325.205217] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.207163] 4*1024kB [ 325.212704] ? addrconf_rs_timer+0x6f0/0x6f0 [ 325.214998] (UM) [ 325.220458] ndisc_alloc_skb+0x144/0x340 [ 325.222397] 3*2048kB [ 325.227849] ndisc_send_rs+0x331/0x6e0 [ 325.230227] (M) [ 325.234653] addrconf_rs_timer+0x3c0/0x6f0 [ 325.236688] 3*4096kB [ 325.240755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.243139] (M) [ 325.247041] call_timer_fn+0x272/0x920 [ 325.248978] = 25232kB [ 325.253215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.255599] Node 0 [ 325.259842] ? process_timeout+0x40/0x40 [ 325.261789] Normal: [ 325.265675] ? find_held_lock+0x36/0x1c0 [ 325.268062] 1065*4kB [ 325.272298] ? __run_timers+0x7da/0xc70 [ 325.274496] (MEH) [ 325.278554] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.280853] 487*8kB [ 325.284911] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.287292] (ME) [ 325.291271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.293388] 153*16kB (MEH) [ 325.297888] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 325.300183] 77*32kB [ 325.304675] ? trace_hardirqs_on+0xbd/0x310 [ 325.306715] (UM) [ 325.310943] ? kasan_check_read+0x11/0x20 [ 325.313845] 0*64kB 1*128kB [ 325.318445] ? __run_timers+0x7da/0xc70 [ 325.320739] (H) [ 325.325064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.327092] 1*256kB (U) [ 325.331253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.334155] 1*512kB [ 325.338132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.340494] (U) [ 325.345948] __run_timers+0x7e5/0xc70 [ 325.348588] 0*1024kB 0*2048kB [ 325.352868] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 325.355155] 0*4096kB [ 325.359388] ? compat_start_thread+0x80/0x80 [ 325.361339] = 13964kB [ 325.365134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.368303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 325.373657] ? kasan_check_write+0x14/0x20 [ 325.376046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 325.380460] ? finish_task_switch+0x2f5/0x900 [ 325.382847] 412 total pagecache pages [ 325.388377] ? __switch_to_asm+0x40/0x70 [ 325.388400] ? preempt_notifier_register+0x200/0x200 [ 325.397238] 0 pages in swap cache [ 325.401473] ? __switch_to_asm+0x34/0x70 [ 325.410018] Swap cache stats: add 0, delete 0, find 0/0 [ 325.410027] Free swap = 0kB [ 325.414527] ? __switch_to_asm+0x40/0x70 [ 325.418294] Total swap = 0kB [ 325.418302] 1965979 pages RAM [ 325.422366] ? __switch_to_asm+0x34/0x70 [ 325.427436] 0 pages HighMem/MovableOnly [ 325.427445] 343323 pages reserved [ 325.430898] ? __switch_to_asm+0x40/0x70 [ 325.435615] 0 pages cma reserved [ 325.435701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 325.440980] ? __switch_to_asm+0x34/0x70 [ 325.440997] ? __switch_to_asm+0x40/0x70 [ 325.444090] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.448055] ? pvclock_read_flags+0x160/0x160 [ 325.451059] syz-executor0 cpuset= [ 325.454173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.458201] syz0 [ 325.462175] ? check_preemption_disabled+0x48/0x200 [ 325.465600] mems_allowed=0 [ 325.469680] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 325.526962] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.532260] ? rcu_pm_notify+0xc0/0xc0 [ 325.536154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.541701] ? check_preemption_disabled+0x48/0x200 [ 325.546734] run_timer_softirq+0x52/0xb0 [ 325.550800] ? rcu_read_lock_sched_held+0x108/0x120 [ 325.555823] __do_softirq+0x30b/0xad8 [ 325.559649] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 325.564762] ? trace_hardirqs_off_caller+0x300/0x300 [ 325.569867] ? trace_hardirqs_on+0x310/0x310 [ 325.574301] ? schedule+0x108/0x460 [ 325.577959] ? __schedule+0x1ed0/0x1ed0 [ 325.581942] ? trace_hardirqs_off+0xb8/0x300 [ 325.586356] ? ___might_sleep+0x1ed/0x300 [ 325.590506] ? smpboot_thread_fn+0x68b/0xa00 [ 325.594919] ? trace_hardirqs_on+0x310/0x310 [ 325.599334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.604877] ? check_preemption_disabled+0x48/0x200 [ 325.609901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.615448] ? takeover_tasklets+0xa90/0xa90 [ 325.619865] run_ksoftirqd+0x94/0x100 [ 325.623666] smpboot_thread_fn+0x68b/0xa00 [ 325.627943] ? sort_range+0x30/0x30 [ 325.631588] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 325.636704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.642245] ? __kthread_parkme+0xfb/0x1a0 [ 325.646486] kthread+0x35a/0x420 [ 325.649853] ? sort_range+0x30/0x30 [ 325.653509] ? kthread_bind+0x40/0x40 [ 325.657318] ret_from_fork+0x3a/0x50 [ 325.661072] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 325.661151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 325.668343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.668348] Call Trace: [ 325.668354] [ 325.668372] dump_stack+0x1c4/0x2b4 [ 325.668387] ? dump_stack_print_info.cold.2+0x52/0x52 [ 325.668414] warn_alloc.cold.118+0xb7/0x1bd [ 325.674996] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.684248] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.686807] ksoftirqd/1 cpuset= [ 325.688966] ? lock_downgrade+0x900/0x900 [ 325.692572] / [ 325.697777] ? trace_hardirqs_off+0xb8/0x300 [ 325.702071] mems_allowed=0 [ 325.712397] ? trace_hardirqs_off+0xb8/0x300 [ 325.738063] __alloc_pages_slowpath+0x2667/0x2d80 [ 325.742941] ? warn_alloc+0x120/0x120 [ 325.746747] ? trace_hardirqs_on+0x310/0x310 [ 325.751168] ? warn_alloc+0x120/0x120 [ 325.754976] ? print_usage_bug+0xc0/0xc0 [ 325.759046] ? warn_alloc+0x120/0x120 [ 325.762852] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 325.767874] ? print_usage_bug+0xc0/0xc0 [ 325.771937] ? __lock_acquire+0x7ec/0x4ec0 [ 325.776170] ? __lock_acquire+0x7ec/0x4ec0 [ 325.780411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.785957] ? should_fail+0x22d/0xd01 [ 325.789855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.794965] ? __lock_acquire+0x7ec/0x4ec0 [ 325.799208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.804311] ? __lock_acquire+0x7ec/0x4ec0 [ 325.808550] ? should_fail+0x22d/0xd01 [ 325.812440] ? print_usage_bug+0xc0/0xc0 [ 325.816512] ? mark_held_locks+0x130/0x130 [ 325.820760] ? mark_held_locks+0x130/0x130 [ 325.825011] ? graph_lock+0x170/0x170 [ 325.828817] ? print_usage_bug+0xc0/0xc0 [ 325.832880] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 325.837649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.843205] ? check_preemption_disabled+0x48/0x200 [ 325.848242] ? check_preemption_disabled+0x48/0x200 [ 325.853287] ? __lock_is_held+0xb5/0x140 [ 325.857368] __alloc_pages_nodemask+0xa80/0xde0 [ 325.862042] ? graph_lock+0x170/0x170 [ 325.865851] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 325.870873] ? graph_lock+0x170/0x170 [ 325.874692] ? find_held_lock+0x36/0x1c0 [ 325.878773] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.883455] ? lock_downgrade+0x900/0x900 [ 325.887628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.893197] cache_grow_begin+0x91/0x8c0 [ 325.897277] ? do_raw_spin_unlock+0xa7/0x2f0 [ 325.901706] fallback_alloc+0x203/0x2e0 [ 325.905701] ____cache_alloc_node+0x1c7/0x1e0 [ 325.910218] kmem_cache_alloc_node+0xe3/0x730 [ 325.914721] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.918967] __alloc_skb+0x119/0x770 [ 325.922692] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.927977] ? skb_scrub_packet+0x490/0x490 [ 325.932305] ? lock_downgrade+0x900/0x900 [ 325.936476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.942028] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.947492] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.952954] ? addrconf_rs_timer+0x6f0/0x6f0 [ 325.957377] ndisc_alloc_skb+0x144/0x340 [ 325.961448] ndisc_send_rs+0x331/0x6e0 [ 325.965344] addrconf_rs_timer+0x3c0/0x6f0 [ 325.969587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.973843] call_timer_fn+0x272/0x920 [ 325.977736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.981982] ? process_timeout+0x40/0x40 [ 325.986045] ? find_held_lock+0x36/0x1c0 [ 325.990127] ? __run_timers+0x7da/0xc70 [ 325.994108] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.998631] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.003138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.007383] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 326.011978] ? trace_hardirqs_on+0xbd/0x310 [ 326.016301] ? kasan_check_read+0x11/0x20 [ 326.020453] ? __run_timers+0x7da/0xc70 [ 326.024431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.029896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.034169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.038415] __run_timers+0x7e5/0xc70 [ 326.042238] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 326.047618] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.052654] ? graph_lock+0x170/0x170 [ 326.056471] ? enqueue_hrtimer+0x1a5/0x560 [ 326.060710] ? lock_release+0x970/0x970 [ 326.064701] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.069908] ? find_held_lock+0x36/0x1c0 [ 326.073977] ? graph_lock+0x170/0x170 [ 326.077781] ? pvclock_read_flags+0x160/0x160 [ 326.082288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.087833] ? check_preemption_disabled+0x48/0x200 [ 326.092867] ? __lock_is_held+0xb5/0x140 [ 326.096946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.102487] ? check_preemption_disabled+0x48/0x200 [ 326.107523] run_timer_softirq+0x52/0xb0 [ 326.111590] ? rcu_read_lock_sched_held+0x108/0x120 [ 326.116652] __do_softirq+0x30b/0xad8 [ 326.120484] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 326.125613] ? pvclock_read_flags+0x160/0x160 [ 326.130108] ? lapic_next_event+0x5a/0x90 [ 326.134267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.139805] ? check_preemption_disabled+0x48/0x200 [ 326.144825] ? check_preemption_disabled+0x48/0x200 [ 326.149870] ? kvm_clock_read+0x18/0x30 [ 326.153858] ? kvm_sched_clock_read+0x9/0x20 [ 326.158269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.163808] ? check_preemption_disabled+0x48/0x200 [ 326.168839] irq_exit+0x17f/0x1c0 [ 326.172301] smp_apic_timer_interrupt+0x1cb/0x760 [ 326.177144] ? smp_reschedule_interrupt+0x109/0x650 [ 326.182190] ? smp_call_function_single_interrupt+0x650/0x650 [ 326.188093] ? interrupt_entry+0xb5/0xf0 [ 326.192158] ? trace_hardirqs_off_caller+0xbb/0x300 [ 326.197176] ? trace_hardirqs_off_caller+0xbb/0x300 [ 326.202201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.207052] ? trace_hardirqs_off+0x300/0x300 [ 326.211579] ? trace_hardirqs_off+0x300/0x300 [ 326.216087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.221652] ? check_preemption_disabled+0x48/0x200 [ 326.226708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.232261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.237127] apic_timer_interrupt+0xf/0x20 [ 326.241360] [ 326.243613] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 326.248553] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 326.267464] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 326.275183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 326.282474] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 326.289754] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 326.297031] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 326.304312] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 326.311648] skb_clone+0x1bb/0x500 [ 326.315202] ? finish_task_switch+0x1b5/0x900 [ 326.319707] ? skb_split+0x11e0/0x11e0 [ 326.323694] ? preempt_notifier_register+0x200/0x200 [ 326.328803] ? __switch_to_asm+0x34/0x70 [ 326.332870] ? __switch_to_asm+0x34/0x70 [ 326.336937] ? __switch_to_asm+0x40/0x70 [ 326.341447] ? __switch_to_asm+0x34/0x70 [ 326.345512] ? __switch_to_asm+0x40/0x70 [ 326.349575] ? __switch_to_asm+0x34/0x70 [ 326.353824] ? __switch_to_asm+0x40/0x70 [ 326.357883] ? __switch_to_asm+0x34/0x70 [ 326.361950] ? __switch_to_asm+0x34/0x70 [ 326.366012] ? __switch_to_asm+0x40/0x70 [ 326.370075] ? __switch_to_asm+0x34/0x70 [ 326.374149] bpf_clone_redirect+0xb9/0x490 [ 326.378387] ? __schedule+0x874/0x1ed0 [ 326.382287] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 326.387314] ? __sched_text_start+0x8/0x8 [ 326.391464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 326.396237] ? find_held_lock+0x36/0x1c0 [ 326.400310] ? lock_acquire+0x1ed/0x520 [ 326.404287] ? bpf_test_run+0x32e/0x5a0 [ 326.408269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.413813] ? check_preemption_disabled+0x48/0x200 [ 326.418848] ? kasan_check_read+0x11/0x20 [ 326.423005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.428289] ? rcu_bh_qs+0xc0/0xc0 [ 326.431845] ? preempt_schedule+0x4d/0x60 [ 326.435999] ? ___preempt_schedule+0x16/0x18 [ 326.440422] ? bpf_test_run+0x1c0/0x5a0 [ 326.444422] ? netlink_diag_dump+0x2a0/0x2a0 [ 326.448845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.454391] ? bpf_test_init.isra.9+0x70/0x100 [ 326.458992] ? bpf_prog_test_run_skb+0x634/0xb40 [ 326.463768] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.468630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 326.474525] ? fput+0x130/0x1a0 [ 326.477809] ? __bpf_prog_get+0x9b/0x290 [ 326.481890] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.486746] ? bpf_prog_test_run+0x130/0x1a0 [ 326.491170] ? __x64_sys_bpf+0x3d8/0x510 [ 326.495236] ? bpf_prog_get+0x20/0x20 [ 326.499046] ? ksys_ioctl+0x81/0xd0 [ 326.502696] ? do_syscall_64+0x1b9/0x820 [ 326.506765] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 326.512142] ? syscall_return_slowpath+0x5e0/0x5e0 [ 326.517093] ? trace_hardirqs_off+0x300/0x300 [ 326.521604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 326.526642] ? recalc_sigpending_tsk+0x180/0x180 [ 326.531408] ? kasan_check_write+0x14/0x20 [ 326.535654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.540521] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 326.545907] warn_alloc_show_mem: 1 callbacks suppressed [ 326.545919] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 326.545921] Mem-Info: [ 326.545953] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 326.545953] active_file:14 inactive_file:18 isolated_file:1 [ 326.545953] unevictable:0 dirty:0 writeback:0 unstable:0 [ 326.545953] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 326.545953] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 326.545953] free:13768 free_pcp:583 free_cma:0 [ 326.551290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.551300] Call Trace: [ 326.558156] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 326.560579] dump_stack+0x1c4/0x2b4 [ 326.593447] Node 0 [ 326.602818] ? dump_stack_print_info.cold.2+0x52/0x52 [ 326.605397] 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 [ 326.633102] warn_alloc.cold.118+0xb7/0x1bd [ 326.636705] lowmem_reserve[]: [ 326.638953] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.644119] 0 [ 326.669646] ? lock_downgrade+0x900/0x900 [ 326.673952] 2815 [ 326.677068] ? trace_hardirqs_off+0xb8/0x300 [ 326.681878] 6318 [ 326.683691] ? trace_hardirqs_off+0xb8/0x300 [ 326.687802] 6318 [ 326.689882] __alloc_pages_slowpath+0x2667/0x2d80 [ 326.694259] Node 0 [ 326.696352] ? warn_alloc+0x120/0x120 [ 326.700725] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 326.702769] ? warn_alloc+0x120/0x120 [ 326.707577] lowmem_reserve[]: 0 [ 326.709836] ? print_usage_bug+0xc0/0xc0 [ 326.713597] 0 3503 [ 326.740523] ? warn_alloc+0x120/0x120 [ 326.744306] 3503 [ 326.747596] ? print_usage_bug+0xc0/0xc0 [ 326.753887] ? __lock_acquire+0x7ec/0x4ec0 [ 326.757657] Node 0 [ 326.759722] ? __lock_acquire+0x7ec/0x4ec0 [ 326.763783] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 326.767995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.770208] lowmem_reserve[]: 0 [ 326.774466] ? should_fail+0x22d/0xd01 [ 326.802904] 0 [ 326.808450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.811695] 0 [ 326.815582] ? __lock_acquire+0x7ec/0x4ec0 [ 326.817354] 0 [ 326.822460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.828486] ? __lock_acquire+0x7ec/0x4ec0 [ 326.830261] Node 0 [ 326.835372] ? should_fail+0x22d/0xd01 [ 326.839578] DMA: [ 326.841819] ? print_usage_bug+0xc0/0xc0 [ 326.845678] 1*4kB [ 326.847750] ? mark_held_locks+0x130/0x130 [ 326.851772] (U) [ 326.853922] ? mark_held_locks+0x130/0x130 [ 326.858124] 0*8kB [ 326.860100] ? graph_lock+0x170/0x170 [ 326.864301] 0*16kB [ 326.866447] ? print_usage_bug+0xc0/0xc0 [ 326.870217] 1*32kB (U) [ 326.872459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 326.876487] 2*64kB (U) [ 326.879076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.883804] 1*128kB [ 326.886386] ? check_preemption_disabled+0x48/0x200 [ 326.891898] (U) [ 326.894223] ? check_preemption_disabled+0x48/0x200 [ 326.899212] 1*256kB [ 326.901201] ? __lock_is_held+0xb5/0x140 [ 326.906180] (U) [ 326.908508] __alloc_pages_nodemask+0xa80/0xde0 [ 326.912528] 0*512kB 1*1024kB [ 326.914510] ? graph_lock+0x170/0x170 [ 326.919152] (U) [ 326.922273] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 326.926046] 1*2048kB [ 326.928016] ? graph_lock+0x170/0x170 [ 326.933011] (M) [ 326.935429] ? find_held_lock+0x36/0x1c0 [ 326.939193] 3*4096kB [ 326.941183] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.945204] (M) [ 326.947623] ? lock_downgrade+0x900/0x900 [ 326.952261] = 15908kB [ 326.954242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.958355] Node 0 [ 326.960767] cache_grow_begin+0x91/0x8c0 [ 326.966271] DMA32: [ 326.968504] ? do_raw_spin_unlock+0xa7/0x2f0 [ 326.972553] 4*4kB [ 326.974790] fallback_alloc+0x203/0x2e0 [ 326.979199] (UM) [ 326.981352] ____cache_alloc_node+0x1c7/0x1e0 [ 326.985290] 2*8kB (M) [ 326.987369] kmem_cache_alloc_node+0xe3/0x730 [ 326.991825] 1*16kB (M) [ 326.994331] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.998804] 1*32kB [ 327.001392] __alloc_skb+0x119/0x770 [ 327.005591] (M) [ 327.007840] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.011520] 3*64kB [ 327.013518] ? skb_scrub_packet+0x490/0x490 [ 327.018764] (UM) [ 327.021001] ? lock_downgrade+0x900/0x900 [ 327.025287] 3*128kB (M) [ 327.027366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.031486] 2*256kB [ 327.034152] ? refcount_sub_and_test_checked+0x203/0x310 [ 327.039659] (M) [ 327.041986] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.047406] 3*512kB [ 327.049385] ? addrconf_rs_timer+0x6f0/0x6f0 [ 327.054805] (M) [ 327.057135] ndisc_alloc_skb+0x144/0x340 [ 327.061498] 4*1024kB (UM) [ 327.063487] ndisc_send_rs+0x331/0x6e0 [ 327.067508] 3*2048kB (M) [ 327.070365] addrconf_rs_timer+0x3c0/0x6f0 [ 327.074216] 3*4096kB [ 327.076976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.081173] (M) = 25232kB [ 327.083600] call_timer_fn+0x272/0x920 [ 327.087795] Node 0 [ 327.090552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.094408] Normal: [ 327.096652] ? process_timeout+0x40/0x40 [ 327.100867] 1065*4kB [ 327.103183] ? find_held_lock+0x36/0x1c0 [ 327.107217] (MEH) [ 327.109637] ? __run_timers+0x7da/0xc70 [ 327.113656] 487*8kB (ME) [ 327.115812] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.119762] 153*16kB [ 327.122519] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.126982] (MEH) [ 327.129390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.133856] 77*32kB (UM) [ 327.136011] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.140211] 0*64kB 1*128kB [ 327.142972] ? trace_hardirqs_on+0xbd/0x310 [ 327.147524] (H) [ 327.150450] ? kasan_check_read+0x11/0x20 [ 327.154745] 1*256kB (U) [ 327.156730] ? __run_timers+0x7da/0xc70 [ 327.160843] 1*512kB (U) [ 327.163522] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.167498] 0*1024kB 0*2048kB [ 327.170189] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.175602] 0*4096kB = 13964kB [ 327.178811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.183021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 327.186203] __run_timers+0x7e5/0xc70 [ 327.190413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 327.199251] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.203023] 412 total pagecache pages [ 327.211596] ? compat_start_thread+0x80/0x80 [ 327.216949] 0 pages in swap cache [ 327.220742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.225119] Swap cache stats: add 0, delete 0, find 0/0 [ 327.225128] Free swap = 0kB [ 327.228577] ? kasan_check_write+0x14/0x20 [ 327.234078] Total swap = 0kB [ 327.234086] 1965979 pages RAM [ 327.239448] ? finish_task_switch+0x2f5/0x900 [ 327.242440] 0 pages HighMem/MovableOnly [ 327.246685] ? __switch_to_asm+0x40/0x70 [ 327.249680] 343323 pages reserved [ 327.252785] ? preempt_notifier_register+0x200/0x200 [ 327.257248] 0 pages cma reserved [ 327.261218] ? __switch_to_asm+0x34/0x70 [ 327.265318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.268698] ? __switch_to_asm+0x40/0x70 [ 327.273877] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.277142] ? __switch_to_asm+0x34/0x70 [ 327.281181] syz-executor0 cpuset= [ 327.287671] ? __switch_to_asm+0x40/0x70 [ 327.291708] syz0 [ 327.302204] ? __switch_to_asm+0x34/0x70 [ 327.302221] ? __switch_to_asm+0x40/0x70 [ 327.306275] mems_allowed=0 [ 327.309731] ? pvclock_read_flags+0x160/0x160 [ 327.331215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.336767] ? check_preemption_disabled+0x48/0x200 [ 327.342036] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 327.347589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.352890] ? rcu_pm_notify+0xc0/0xc0 [ 327.356795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.362341] ? check_preemption_disabled+0x48/0x200 [ 327.367379] run_timer_softirq+0x52/0xb0 [ 327.371445] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.376472] __do_softirq+0x30b/0xad8 [ 327.380291] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 327.385423] ? trace_hardirqs_off_caller+0x300/0x300 [ 327.390535] ? trace_hardirqs_on+0x310/0x310 [ 327.394954] ? schedule+0x108/0x460 [ 327.398588] ? __schedule+0x1ed0/0x1ed0 [ 327.402582] ? trace_hardirqs_off+0xb8/0x300 [ 327.407003] ? ___might_sleep+0x1ed/0x300 [ 327.411156] ? smpboot_thread_fn+0x68b/0xa00 [ 327.415584] ? trace_hardirqs_on+0x310/0x310 [ 327.420007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.425553] ? check_preemption_disabled+0x48/0x200 [ 327.430577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.436136] ? takeover_tasklets+0xa90/0xa90 [ 327.440560] run_ksoftirqd+0x94/0x100 [ 327.444366] smpboot_thread_fn+0x68b/0xa00 [ 327.448616] ? sort_range+0x30/0x30 [ 327.452253] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 327.457359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.462908] ? __kthread_parkme+0xfb/0x1a0 [ 327.467152] kthread+0x35a/0x420 [ 327.470526] ? sort_range+0x30/0x30 [ 327.474155] ? kthread_bind+0x40/0x40 [ 327.477967] ret_from_fork+0x3a/0x50 [ 327.481707] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 327.481807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.488983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.488988] Call Trace: [ 327.488995] [ 327.489013] dump_stack+0x1c4/0x2b4 [ 327.489028] ? dump_stack_print_info.cold.2+0x52/0x52 [ 327.489057] warn_alloc.cold.118+0xb7/0x1bd [ 327.495659] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.504889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.507451] ksoftirqd/1 cpuset= [ 327.509600] ? lock_downgrade+0x900/0x900 [ 327.513210] / [ 327.518421] ? trace_hardirqs_off+0xb8/0x300 [ 327.522715] mems_allowed=0 [ 327.533026] ? trace_hardirqs_off+0xb8/0x300 [ 327.558679] __alloc_pages_slowpath+0x2667/0x2d80 [ 327.563555] ? warn_alloc+0x120/0x120 [ 327.567363] ? trace_hardirqs_on+0x310/0x310 [ 327.571772] ? warn_alloc+0x120/0x120 [ 327.575581] ? print_usage_bug+0xc0/0xc0 [ 327.579668] ? warn_alloc+0x120/0x120 [ 327.583469] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 327.588488] ? print_usage_bug+0xc0/0xc0 [ 327.592554] ? __lock_acquire+0x7ec/0x4ec0 [ 327.596790] ? __lock_acquire+0x7ec/0x4ec0 [ 327.601033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.606570] ? should_fail+0x22d/0xd01 [ 327.610460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.615563] ? __lock_acquire+0x7ec/0x4ec0 [ 327.619802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.624903] ? __lock_acquire+0x7ec/0x4ec0 [ 327.629134] ? should_fail+0x22d/0xd01 [ 327.633020] ? print_usage_bug+0xc0/0xc0 [ 327.637094] ? mark_held_locks+0x130/0x130 [ 327.641332] ? mark_held_locks+0x130/0x130 [ 327.645576] ? graph_lock+0x170/0x170 [ 327.649387] ? print_usage_bug+0xc0/0xc0 [ 327.653453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 327.658214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.663751] ? check_preemption_disabled+0x48/0x200 [ 327.668765] ? check_preemption_disabled+0x48/0x200 [ 327.673797] ? __lock_is_held+0xb5/0x140 [ 327.677868] __alloc_pages_nodemask+0xa80/0xde0 [ 327.682538] ? graph_lock+0x170/0x170 [ 327.686347] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 327.691374] ? graph_lock+0x170/0x170 [ 327.695196] ? find_held_lock+0x36/0x1c0 [ 327.699275] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.703951] ? lock_downgrade+0x900/0x900 [ 327.708114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.713689] cache_grow_begin+0x91/0x8c0 [ 327.717758] ? do_raw_spin_unlock+0xa7/0x2f0 [ 327.722180] fallback_alloc+0x203/0x2e0 [ 327.726166] ____cache_alloc_node+0x1c7/0x1e0 [ 327.730679] kmem_cache_alloc_node+0xe3/0x730 [ 327.735179] ? ipv6_get_ifaddr+0x42e/0x620 [ 327.739432] __alloc_skb+0x119/0x770 [ 327.743155] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.748446] ? skb_scrub_packet+0x490/0x490 [ 327.752778] ? lock_downgrade+0x900/0x900 [ 327.756964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.762504] ? refcount_sub_and_test_checked+0x203/0x310 [ 327.767965] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.773423] ? addrconf_rs_timer+0x6f0/0x6f0 [ 327.777847] ndisc_alloc_skb+0x144/0x340 [ 327.781917] ndisc_send_rs+0x331/0x6e0 [ 327.785815] addrconf_rs_timer+0x3c0/0x6f0 [ 327.790056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.794313] call_timer_fn+0x272/0x920 [ 327.798216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.802463] ? process_timeout+0x40/0x40 [ 327.806524] ? find_held_lock+0x36/0x1c0 [ 327.810597] ? __run_timers+0x7da/0xc70 [ 327.814584] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.819092] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.823594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.827846] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.832431] ? trace_hardirqs_on+0xbd/0x310 [ 327.836754] ? kasan_check_read+0x11/0x20 [ 327.840909] ? __run_timers+0x7da/0xc70 [ 327.844887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.850346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.854592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.858838] __run_timers+0x7e5/0xc70 [ 327.862658] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.868030] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 327.873047] ? graph_lock+0x170/0x170 [ 327.876851] ? enqueue_hrtimer+0x1a5/0x560 [ 327.881083] ? lock_release+0x970/0x970 [ 327.885065] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 327.890268] ? find_held_lock+0x36/0x1c0 [ 327.894336] ? graph_lock+0x170/0x170 [ 327.898143] ? pvclock_read_flags+0x160/0x160 [ 327.902651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.908199] ? check_preemption_disabled+0x48/0x200 [ 327.913236] ? __lock_is_held+0xb5/0x140 [ 327.917299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.922840] ? check_preemption_disabled+0x48/0x200 [ 327.927877] run_timer_softirq+0x52/0xb0 [ 327.931950] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.936986] __do_softirq+0x30b/0xad8 [ 327.940801] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 327.945914] ? pvclock_read_flags+0x160/0x160 [ 327.950416] ? lapic_next_event+0x5a/0x90 [ 327.954572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.960112] ? check_preemption_disabled+0x48/0x200 [ 327.965131] ? check_preemption_disabled+0x48/0x200 [ 327.970162] ? kvm_clock_read+0x18/0x30 [ 327.974141] ? kvm_sched_clock_read+0x9/0x20 [ 327.978554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.984091] ? check_preemption_disabled+0x48/0x200 [ 327.989129] irq_exit+0x17f/0x1c0 [ 327.992587] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.997434] ? smp_reschedule_interrupt+0x109/0x650 [ 328.002454] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.008347] ? interrupt_entry+0xb5/0xf0 [ 328.012416] ? trace_hardirqs_off_caller+0xbb/0x300 [ 328.017437] ? trace_hardirqs_off_caller+0xbb/0x300 [ 328.022461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.027308] ? trace_hardirqs_off+0x300/0x300 [ 328.031804] ? trace_hardirqs_off+0x300/0x300 [ 328.036305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.041847] ? check_preemption_disabled+0x48/0x200 [ 328.046865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.052417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.057271] apic_timer_interrupt+0xf/0x20 [ 328.061503] [ 328.063750] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 328.068687] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 328.087599] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 328.095328] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 328.102603] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 328.109884] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 328.117159] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 328.124433] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 328.131757] skb_clone+0x1bb/0x500 [ 328.135308] ? finish_task_switch+0x1b5/0x900 [ 328.139817] ? skb_split+0x11e0/0x11e0 [ 328.143711] ? preempt_notifier_register+0x200/0x200 [ 328.148816] ? __switch_to_asm+0x34/0x70 [ 328.152881] ? __switch_to_asm+0x34/0x70 [ 328.156941] ? __switch_to_asm+0x40/0x70 [ 328.161004] ? __switch_to_asm+0x34/0x70 [ 328.165067] ? __switch_to_asm+0x40/0x70 [ 328.169126] ? __switch_to_asm+0x34/0x70 [ 328.173185] ? __switch_to_asm+0x40/0x70 [ 328.177247] ? __switch_to_asm+0x34/0x70 [ 328.181311] ? __switch_to_asm+0x34/0x70 [ 328.185368] ? __switch_to_asm+0x40/0x70 [ 328.189427] ? __switch_to_asm+0x34/0x70 [ 328.193502] bpf_clone_redirect+0xb9/0x490 [ 328.197742] ? __schedule+0x874/0x1ed0 [ 328.201641] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 328.206678] ? __sched_text_start+0x8/0x8 [ 328.210828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.215600] ? find_held_lock+0x36/0x1c0 [ 328.219687] ? lock_acquire+0x1ed/0x520 [ 328.223672] ? bpf_test_run+0x32e/0x5a0 [ 328.227651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.233193] ? check_preemption_disabled+0x48/0x200 [ 328.238219] ? kasan_check_read+0x11/0x20 [ 328.242376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.247664] ? rcu_bh_qs+0xc0/0xc0 [ 328.251218] ? preempt_schedule+0x4d/0x60 [ 328.255374] ? ___preempt_schedule+0x16/0x18 [ 328.259791] ? bpf_test_run+0x1c0/0x5a0 [ 328.263779] ? netlink_diag_dump+0x2a0/0x2a0 [ 328.268192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.273731] ? bpf_test_init.isra.9+0x70/0x100 [ 328.278318] ? bpf_prog_test_run_skb+0x634/0xb40 [ 328.283084] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.287933] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 328.293477] ? fput+0x130/0x1a0 [ 328.296761] ? __bpf_prog_get+0x9b/0x290 [ 328.300830] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.305683] ? bpf_prog_test_run+0x130/0x1a0 [ 328.310103] ? __x64_sys_bpf+0x3d8/0x510 [ 328.314187] ? bpf_prog_get+0x20/0x20 [ 328.318010] ? ksys_ioctl+0x81/0xd0 [ 328.321662] ? do_syscall_64+0x1b9/0x820 [ 328.325732] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 328.331106] ? syscall_return_slowpath+0x5e0/0x5e0 [ 328.336046] ? trace_hardirqs_off+0x300/0x300 [ 328.340926] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 328.345946] ? recalc_sigpending_tsk+0x180/0x180 [ 328.350702] ? kasan_check_write+0x14/0x20 [ 328.354948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.359807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.365187] warn_alloc_show_mem: 1 callbacks suppressed [ 328.365199] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 328.365201] Mem-Info: [ 328.365233] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 328.365233] active_file:14 inactive_file:18 isolated_file:1 [ 328.365233] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.365233] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 328.365233] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 328.365233] free:13768 free_pcp:583 free_cma:0 [ 328.370571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.377421] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.379827] Call Trace: [ 328.412714] Node 0 [ 328.422085] dump_stack+0x1c4/0x2b4 [ 328.449769] 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 [ 328.452334] ? dump_stack_print_info.cold.2+0x52/0x52 [ 328.454531] lowmem_reserve[]: 0 [ 328.458183] warn_alloc.cold.118+0xb7/0x1bd [ 328.484019] 2815 6318 [ 328.489241] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.492507] 6318 [ 328.496897] ? lock_downgrade+0x900/0x900 [ 328.499361] Node 0 [ 328.504207] ? trace_hardirqs_off+0xb8/0x300 [ 328.506261] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 328.510413] ? trace_hardirqs_off+0xb8/0x300 [ 328.512625] lowmem_reserve[]: [ 328.517046] __alloc_pages_slowpath+0x2667/0x2d80 [ 328.543914] 0 [ 328.548354] ? warn_alloc+0x120/0x120 [ 328.551403] 0 [ 328.556253] ? warn_alloc+0x120/0x120 [ 328.558020] 3503 [ 328.561817] ? print_usage_bug+0xc0/0xc0 [ 328.563582] 3503 [ 328.567398] ? warn_alloc+0x120/0x120 [ 328.569437] Node 0 [ 328.573492] ? print_usage_bug+0xc0/0xc0 [ 328.575555] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 328.579327] ? __lock_acquire+0x7ec/0x4ec0 [ 328.581537] lowmem_reserve[]: [ 328.585598] ? __lock_acquire+0x7ec/0x4ec0 [ 328.614131] 0 [ 328.618377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.621443] 0 0 [ 328.625689] ? should_fail+0x22d/0xd01 [ 328.625708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.627485] 0 [ 328.633020] ? __lock_acquire+0x7ec/0x4ec0 [ 328.638852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.643930] Node 0 [ 328.645732] ? __lock_acquire+0x7ec/0x4ec0 [ 328.649927] DMA: 1*4kB [ 328.655037] ? should_fail+0x22d/0xd01 [ 328.657248] (U) [ 328.661477] ? print_usage_bug+0xc0/0xc0 [ 328.661501] ? mark_held_locks+0x130/0x130 [ 328.664050] 0*8kB 0*16kB [ 328.667949] ? mark_held_locks+0x130/0x130 [ 328.669893] 1*32kB [ 328.673953] ? graph_lock+0x170/0x170 [ 328.678152] (U) [ 328.680933] ? print_usage_bug+0xc0/0xc0 [ 328.685135] 2*64kB (U) [ 328.687387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.691152] 1*128kB (U) [ 328.693139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.697166] 1*256kB (U) [ 328.699763] ? check_preemption_disabled+0x48/0x200 [ 328.704494] 0*512kB [ 328.707164] ? check_preemption_disabled+0x48/0x200 [ 328.712680] 1*1024kB (U) [ 328.715375] ? __lock_is_held+0xb5/0x140 [ 328.720367] 1*2048kB [ 328.722697] __alloc_pages_nodemask+0xa80/0xde0 [ 328.727685] (M) [ 328.730442] ? graph_lock+0x170/0x170 [ 328.734472] 3*4096kB (M) [ 328.736894] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 328.741534] = 15908kB [ 328.743505] ? graph_lock+0x170/0x170 [ 328.747278] Node 0 [ 328.750042] ? find_held_lock+0x36/0x1c0 [ 328.755020] DMA32: [ 328.757438] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.761204] 4*4kB [ 328.763436] ? lock_downgrade+0x900/0x900 [ 328.767467] (UM) [ 328.769706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.774338] 2*8kB (M) [ 328.776497] cache_grow_begin+0x91/0x8c0 [ 328.780617] 1*16kB (M) [ 328.782693] ? do_raw_spin_unlock+0xa7/0x2f0 [ 328.788208] 1*32kB [ 328.790712] fallback_alloc+0x203/0x2e0 [ 328.794736] (M) [ 328.797326] ____cache_alloc_node+0x1c7/0x1e0 [ 328.801699] 3*64kB [ 328.803935] kmem_cache_alloc_node+0xe3/0x730 [ 328.807873] (UM) [ 328.809845] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.814305] 3*128kB (M) [ 328.816557] __alloc_skb+0x119/0x770 [ 328.821010] 2*256kB (M) [ 328.823081] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.827284] 3*512kB [ 328.829950] ? skb_scrub_packet+0x490/0x490 [ 328.833635] (M) [ 328.836301] ? lock_downgrade+0x900/0x900 [ 328.841542] 4*1024kB (UM) [ 328.843877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.848158] 3*2048kB (M) [ 328.850145] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.854262] 3*4096kB [ 328.857105] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.862623] (M) [ 328.865379] ? addrconf_rs_timer+0x6f0/0x6f0 [ 328.870797] = 25232kB [ 328.870806] Node 0 [ 328.873226] ndisc_alloc_skb+0x144/0x340 [ 328.878636] Normal: 1065*4kB [ 328.880627] ndisc_send_rs+0x331/0x6e0 [ 328.885002] (MEH) [ 328.887416] addrconf_rs_timer+0x3c0/0x6f0 [ 328.889627] 487*8kB [ 328.893692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.896772] (ME) [ 328.900669] call_timer_fn+0x272/0x920 [ 328.902786] 153*16kB [ 328.907056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.909353] (MEH) [ 328.913585] ? process_timeout+0x40/0x40 [ 328.915627] 77*32kB [ 328.919515] ? find_held_lock+0x36/0x1c0 [ 328.921903] (UM) [ 328.926145] ? __run_timers+0x7da/0xc70 [ 328.928257] 0*64kB 1*128kB [ 328.932327] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.934628] (H) [ 328.938687] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.938706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.940768] 1*256kB [ 328.944746] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 328.947648] (U) [ 328.952143] ? trace_hardirqs_on+0xbd/0x310 [ 328.954086] 1*512kB (U) [ 328.958595] ? kasan_check_read+0x11/0x20 [ 328.962818] 0*1024kB [ 328.965145] ? __run_timers+0x7da/0xc70 [ 328.969691] 0*2048kB 0*4096kB [ 328.971678] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.975965] = 13964kB [ 328.975980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 328.978651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.982772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 328.985183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.989122] 412 total pagecache pages [ 328.992314] __run_timers+0x7e5/0xc70 [ 328.997740] 0 pages in swap cache [ 329.000152] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.008949] Swap cache stats: add 0, delete 0, find 0/0 [ 329.008959] Free swap = 0kB [ 329.013211] ? compat_start_thread+0x80/0x80 [ 329.021768] Total swap = 0kB [ 329.026013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.029785] 1965979 pages RAM [ 329.033586] ? kasan_check_write+0x14/0x20 [ 329.037001] 0 pages HighMem/MovableOnly [ 329.037009] 343323 pages reserved [ 329.042374] ? finish_task_switch+0x2f5/0x900 [ 329.047702] 0 pages cma reserved [ 329.047783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.050729] ? __switch_to_asm+0x40/0x70 [ 329.055215] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.058131] ? preempt_notifier_register+0x200/0x200 [ 329.063644] syz-executor0 cpuset= [ 329.066751] ? __switch_to_asm+0x34/0x70 [ 329.070957] syz0 [ 329.074932] ? __switch_to_asm+0x40/0x70 [ 329.078352] mems_allowed=0 [ 329.128720] ? __switch_to_asm+0x34/0x70 [ 329.132789] ? __switch_to_asm+0x40/0x70 [ 329.136856] ? __switch_to_asm+0x34/0x70 [ 329.140922] ? __switch_to_asm+0x40/0x70 [ 329.144998] ? pvclock_read_flags+0x160/0x160 [ 329.149501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.155042] ? check_preemption_disabled+0x48/0x200 [ 329.160080] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 329.165635] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.170929] ? rcu_pm_notify+0xc0/0xc0 [ 329.174830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.180372] ? check_preemption_disabled+0x48/0x200 [ 329.185407] run_timer_softirq+0x52/0xb0 [ 329.189476] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.194501] __do_softirq+0x30b/0xad8 [ 329.198320] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.203424] ? trace_hardirqs_off_caller+0x300/0x300 [ 329.208531] ? trace_hardirqs_on+0x310/0x310 [ 329.212953] ? schedule+0x108/0x460 [ 329.216588] ? __schedule+0x1ed0/0x1ed0 [ 329.220577] ? trace_hardirqs_off+0xb8/0x300 [ 329.224997] ? ___might_sleep+0x1ed/0x300 [ 329.229151] ? smpboot_thread_fn+0x68b/0xa00 [ 329.233568] ? trace_hardirqs_on+0x310/0x310 [ 329.237982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.243527] ? check_preemption_disabled+0x48/0x200 [ 329.248556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.254125] ? takeover_tasklets+0xa90/0xa90 [ 329.258540] run_ksoftirqd+0x94/0x100 [ 329.262346] smpboot_thread_fn+0x68b/0xa00 [ 329.266586] ? sort_range+0x30/0x30 [ 329.270223] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 329.275328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.280873] ? __kthread_parkme+0xfb/0x1a0 [ 329.285116] kthread+0x35a/0x420 [ 329.288483] ? sort_range+0x30/0x30 [ 329.292109] ? kthread_bind+0x40/0x40 [ 329.295918] ret_from_fork+0x3a/0x50 [ 329.299661] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 329.299743] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.306942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.306948] Call Trace: [ 329.306954] [ 329.306974] dump_stack+0x1c4/0x2b4 [ 329.306988] ? dump_stack_print_info.cold.2+0x52/0x52 [ 329.307017] warn_alloc.cold.118+0xb7/0x1bd [ 329.313620] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.322857] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.325418] ksoftirqd/1 cpuset= [ 329.327562] ? lock_downgrade+0x900/0x900 [ 329.331170] / [ 329.336358] ? trace_hardirqs_off+0xb8/0x300 [ 329.341113] mems_allowed=0 [ 329.351433] ? trace_hardirqs_off+0xb8/0x300 [ 329.377085] __alloc_pages_slowpath+0x2667/0x2d80 [ 329.381962] ? warn_alloc+0x120/0x120 [ 329.385772] ? trace_hardirqs_on+0x310/0x310 [ 329.390181] ? warn_alloc+0x120/0x120 [ 329.393991] ? print_usage_bug+0xc0/0xc0 [ 329.398055] ? warn_alloc+0x120/0x120 [ 329.401860] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 329.406882] ? print_usage_bug+0xc0/0xc0 [ 329.410947] ? __lock_acquire+0x7ec/0x4ec0 [ 329.415189] ? __lock_acquire+0x7ec/0x4ec0 [ 329.419430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.424976] ? should_fail+0x22d/0xd01 [ 329.428871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.434673] ? __lock_acquire+0x7ec/0x4ec0 [ 329.438928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.444040] ? __lock_acquire+0x7ec/0x4ec0 [ 329.448277] ? should_fail+0x22d/0xd01 [ 329.452164] ? print_usage_bug+0xc0/0xc0 [ 329.456236] ? mark_held_locks+0x130/0x130 [ 329.460479] ? mark_held_locks+0x130/0x130 [ 329.464724] ? graph_lock+0x170/0x170 [ 329.468528] ? print_usage_bug+0xc0/0xc0 [ 329.472593] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 329.477367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.482906] ? check_preemption_disabled+0x48/0x200 [ 329.487923] ? check_preemption_disabled+0x48/0x200 [ 329.492963] ? __lock_is_held+0xb5/0x140 [ 329.497048] __alloc_pages_nodemask+0xa80/0xde0 [ 329.501719] ? graph_lock+0x170/0x170 [ 329.505529] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 329.510552] ? graph_lock+0x170/0x170 [ 329.514370] ? find_held_lock+0x36/0x1c0 [ 329.518441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.523112] ? lock_downgrade+0x900/0x900 [ 329.527269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.532819] cache_grow_begin+0x91/0x8c0 [ 329.536889] ? do_raw_spin_unlock+0xa7/0x2f0 [ 329.541309] fallback_alloc+0x203/0x2e0 [ 329.545292] ____cache_alloc_node+0x1c7/0x1e0 [ 329.549794] kmem_cache_alloc_node+0xe3/0x730 [ 329.554292] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.558630] __alloc_skb+0x119/0x770 [ 329.562352] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.567639] ? skb_scrub_packet+0x490/0x490 [ 329.571967] ? lock_downgrade+0x900/0x900 [ 329.576128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.581678] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.587134] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.592591] ? addrconf_rs_timer+0x6f0/0x6f0 [ 329.597023] ndisc_alloc_skb+0x144/0x340 [ 329.601093] ndisc_send_rs+0x331/0x6e0 [ 329.604987] addrconf_rs_timer+0x3c0/0x6f0 [ 329.609232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.613481] call_timer_fn+0x272/0x920 [ 329.617430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.621677] ? process_timeout+0x40/0x40 [ 329.625737] ? find_held_lock+0x36/0x1c0 [ 329.629810] ? __run_timers+0x7da/0xc70 [ 329.633787] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.638285] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.642781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.647022] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.651617] ? trace_hardirqs_on+0xbd/0x310 [ 329.655937] ? kasan_check_read+0x11/0x20 [ 329.660088] ? __run_timers+0x7da/0xc70 [ 329.664065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.669524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.673771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.678009] __run_timers+0x7e5/0xc70 [ 329.681824] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.687194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 329.692216] ? graph_lock+0x170/0x170 [ 329.696023] ? enqueue_hrtimer+0x1a5/0x560 [ 329.700268] ? lock_release+0x970/0x970 [ 329.704253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 329.709463] ? find_held_lock+0x36/0x1c0 [ 329.713554] ? graph_lock+0x170/0x170 [ 329.717362] ? pvclock_read_flags+0x160/0x160 [ 329.721862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.727402] ? check_preemption_disabled+0x48/0x200 [ 329.732462] ? __lock_is_held+0xb5/0x140 [ 329.736532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.742074] ? check_preemption_disabled+0x48/0x200 [ 329.747104] run_timer_softirq+0x52/0xb0 [ 329.751167] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.756200] __do_softirq+0x30b/0xad8 [ 329.760023] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.765135] ? pvclock_read_flags+0x160/0x160 [ 329.769639] ? lapic_next_event+0x5a/0x90 [ 329.773805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.779359] ? check_preemption_disabled+0x48/0x200 [ 329.784378] ? check_preemption_disabled+0x48/0x200 [ 329.789412] ? kvm_clock_read+0x18/0x30 [ 329.793395] ? kvm_sched_clock_read+0x9/0x20 [ 329.797821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.803374] ? check_preemption_disabled+0x48/0x200 [ 329.808408] irq_exit+0x17f/0x1c0 [ 329.811872] smp_apic_timer_interrupt+0x1cb/0x760 [ 329.816716] ? smp_reschedule_interrupt+0x109/0x650 [ 329.821742] ? smp_call_function_single_interrupt+0x650/0x650 [ 329.827645] ? interrupt_entry+0xb5/0xf0 [ 329.831716] ? trace_hardirqs_off_caller+0xbb/0x300 [ 329.836734] ? trace_hardirqs_off_caller+0xbb/0x300 [ 329.841756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.846600] ? trace_hardirqs_off+0x300/0x300 [ 329.851106] ? trace_hardirqs_off+0x300/0x300 [ 329.855607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.861151] ? check_preemption_disabled+0x48/0x200 [ 329.866172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.871724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.876583] apic_timer_interrupt+0xf/0x20 [ 329.880819] [ 329.883058] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 329.887992] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 329.906901] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 329.914638] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 329.921925] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 329.929206] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 329.936476] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 329.943756] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 329.951088] skb_clone+0x1bb/0x500 [ 329.954645] ? finish_task_switch+0x1b5/0x900 [ 329.959149] ? skb_split+0x11e0/0x11e0 [ 329.963044] ? preempt_notifier_register+0x200/0x200 [ 329.968152] ? __switch_to_asm+0x34/0x70 [ 329.972215] ? __switch_to_asm+0x34/0x70 [ 329.976277] ? __switch_to_asm+0x40/0x70 [ 329.980337] ? __switch_to_asm+0x34/0x70 [ 329.984398] ? __switch_to_asm+0x40/0x70 [ 329.988457] ? __switch_to_asm+0x34/0x70 [ 329.992518] ? __switch_to_asm+0x40/0x70 [ 329.996599] ? __switch_to_asm+0x34/0x70 [ 330.000680] ? __switch_to_asm+0x34/0x70 [ 330.004749] ? __switch_to_asm+0x40/0x70 [ 330.008809] ? __switch_to_asm+0x34/0x70 [ 330.012885] bpf_clone_redirect+0xb9/0x490 [ 330.017127] ? __schedule+0x874/0x1ed0 [ 330.021027] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 330.026053] ? __sched_text_start+0x8/0x8 [ 330.030205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.034983] ? find_held_lock+0x36/0x1c0 [ 330.039056] ? lock_acquire+0x1ed/0x520 [ 330.043035] ? bpf_test_run+0x32e/0x5a0 [ 330.047011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.052561] ? check_preemption_disabled+0x48/0x200 [ 330.057588] ? kasan_check_read+0x11/0x20 [ 330.061754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.067044] ? rcu_bh_qs+0xc0/0xc0 [ 330.070593] ? preempt_schedule+0x4d/0x60 [ 330.074759] ? ___preempt_schedule+0x16/0x18 [ 330.079182] ? bpf_test_run+0x1c0/0x5a0 [ 330.083172] ? netlink_diag_dump+0x2a0/0x2a0 [ 330.087594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.093151] ? bpf_test_init.isra.9+0x70/0x100 [ 330.097763] ? bpf_prog_test_run_skb+0x634/0xb40 [ 330.102548] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 330.107412] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.112968] ? fput+0x130/0x1a0 [ 330.116257] ? __bpf_prog_get+0x9b/0x290 [ 330.120326] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 330.125174] ? bpf_prog_test_run+0x130/0x1a0 [ 330.129588] ? __x64_sys_bpf+0x3d8/0x510 [ 330.133661] ? bpf_prog_get+0x20/0x20 [ 330.137481] ? ksys_ioctl+0x81/0xd0 [ 330.141125] ? do_syscall_64+0x1b9/0x820 [ 330.145190] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 330.150562] ? syscall_return_slowpath+0x5e0/0x5e0 [ 330.155499] ? trace_hardirqs_off+0x300/0x300 [ 330.159997] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 330.165013] ? recalc_sigpending_tsk+0x180/0x180 [ 330.169769] ? kasan_check_write+0x14/0x20 [ 330.174012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.178869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.184254] warn_alloc_show_mem: 1 callbacks suppressed [ 330.184266] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 330.184268] Mem-Info: [ 330.184302] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 330.184302] active_file:14 inactive_file:18 isolated_file:1 [ 330.184302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 330.184302] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 330.184302] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 330.184302] free:13768 free_pcp:583 free_cma:0 [ 330.189654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.196513] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 330.198916] Call Trace: [ 330.231798] Node 0 [ 330.241188] dump_stack+0x1c4/0x2b4 [ 330.268870] 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 [ 330.271436] ? dump_stack_print_info.cold.2+0x52/0x52 [ 330.273642] lowmem_reserve[]: [ 330.277284] warn_alloc.cold.118+0xb7/0x1bd [ 330.302752] 0 2815 [ 330.307966] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.311040] 6318 6318 [ 330.315397] ? lock_downgrade+0x900/0x900 [ 330.322458] ? trace_hardirqs_off+0xb8/0x300 [ 330.324925] Node 0 [ 330.329077] ? trace_hardirqs_off+0xb8/0x300 [ 330.333482] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 330.335697] __alloc_pages_slowpath+0x2667/0x2d80 [ 330.340475] lowmem_reserve[]: 0 [ 330.367416] ? warn_alloc+0x120/0x120 [ 330.372214] 0 [ 330.375498] ? warn_alloc+0x120/0x120 [ 330.379260] 3503 3503 [ 330.381073] ? print_usage_bug+0xc0/0xc0 [ 330.384843] Node 0 [ 330.387337] ? warn_alloc+0x120/0x120 [ 330.391395] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 330.393605] ? print_usage_bug+0xc0/0xc0 [ 330.397376] lowmem_reserve[]: 0 [ 330.425855] ? __lock_acquire+0x7ec/0x4ec0 [ 330.429891] 0 [ 330.433176] ? __lock_acquire+0x7ec/0x4ec0 [ 330.437367] 0 0 [ 330.439183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.443384] Node 0 [ 330.445359] ? should_fail+0x22d/0xd01 [ 330.450868] DMA: [ 330.453107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.456966] 1*4kB [ 330.459027] ? __lock_acquire+0x7ec/0x4ec0 [ 330.464103] (U) [ 330.466258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.470708] 0*8kB [ 330.472693] ? __lock_acquire+0x7ec/0x4ec0 [ 330.477763] 0*16kB 1*32kB [ 330.479947] ? should_fail+0x22d/0xd01 [ 330.484163] (U) [ 330.487022] ? print_usage_bug+0xc0/0xc0 [ 330.490879] 2*64kB (U) [ 330.492876] ? mark_held_locks+0x130/0x130 [ 330.496900] 1*128kB [ 330.499482] ? mark_held_locks+0x130/0x130 [ 330.503682] (U) 1*256kB [ 330.506023] ? graph_lock+0x170/0x170 [ 330.510228] (U) [ 330.512900] ? print_usage_bug+0xc0/0xc0 [ 330.516674] 0*512kB [ 330.518660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.522700] 1*1024kB [ 330.525022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.529746] (U) [ 330.532154] ? check_preemption_disabled+0x48/0x200 [ 330.537673] 1*2048kB [ 330.539648] ? check_preemption_disabled+0x48/0x200 [ 330.544640] (M) [ 330.547059] ? __lock_is_held+0xb5/0x140 [ 330.552034] 3*4096kB (M) [ 330.554021] __alloc_pages_nodemask+0xa80/0xde0 [ 330.558043] = 15908kB [ 330.558051] Node 0 [ 330.560804] ? graph_lock+0x170/0x170 [ 330.565441] DMA32: 4*4kB [ 330.567857] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 330.570065] (UM) [ 330.573858] ? graph_lock+0x170/0x170 [ 330.576589] 2*8kB [ 330.581622] ? find_held_lock+0x36/0x1c0 [ 330.583650] (M) [ 330.587453] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.589565] 1*16kB (M) [ 330.593638] ? lock_downgrade+0x900/0x900 [ 330.595587] 1*32kB (M) [ 330.600380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.602936] 3*64kB [ 330.607086] cache_grow_begin+0x91/0x8c0 [ 330.609639] (UM) [ 330.615185] ? do_raw_spin_unlock+0xa7/0x2f0 [ 330.617389] 3*128kB [ 330.621466] fallback_alloc+0x203/0x2e0 [ 330.623496] (M) [ 330.627908] ____cache_alloc_node+0x1c7/0x1e0 [ 330.630198] 2*256kB [ 330.634176] kmem_cache_alloc_node+0xe3/0x730 [ 330.636115] (M) [ 330.640609] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.642914] 3*512kB [ 330.647414] __alloc_skb+0x119/0x770 [ 330.649357] (M) [ 330.653590] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.655882] 4*1024kB [ 330.659594] ? skb_scrub_packet+0x490/0x490 [ 330.661543] (UM) [ 330.666827] ? lock_downgrade+0x900/0x900 [ 330.669212] 3*2048kB [ 330.673536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.675577] (M) [ 330.679722] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.682101] 3*4096kB (M) [ 330.687667] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.689632] = 25232kB [ 330.695081] ? addrconf_rs_timer+0x6f0/0x6f0 [ 330.697810] Node 0 [ 330.703265] ndisc_alloc_skb+0x144/0x340 [ 330.705642] Normal: [ 330.710224] ndisc_send_rs+0x331/0x6e0 [ 330.712431] 1065*4kB [ 330.716577] addrconf_rs_timer+0x3c0/0x6f0 [ 330.718872] (MEH) [ 330.722760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.725141] 487*8kB [ 330.729385] call_timer_fn+0x272/0x920 [ 330.731494] (ME) [ 330.735726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.738022] 153*16kB [ 330.741910] ? process_timeout+0x40/0x40 [ 330.743950] (MEH) [ 330.748184] ? find_held_lock+0x36/0x1c0 [ 330.750566] 77*32kB [ 330.754636] ? __run_timers+0x7da/0xc70 [ 330.756752] (UM) [ 330.760805] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.763107] 0*64kB [ 330.767073] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.769109] 1*128kB [ 330.773602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.775818] (H) [ 330.780311] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.782605] 1*256kB [ 330.786843] ? trace_hardirqs_on+0xbd/0x310 [ 330.788792] (U) [ 330.793368] ? kasan_check_read+0x11/0x20 [ 330.793387] ? __run_timers+0x7da/0xc70 [ 330.795693] 1*512kB [ 330.800012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.801965] (U) [ 330.806109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.810054] 0*1024kB [ 330.812374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.817794] 0*2048kB [ 330.819766] __run_timers+0x7e5/0xc70 [ 330.823967] 0*4096kB = 13964kB [ 330.826391] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.830596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 330.833001] ? compat_start_thread+0x80/0x80 [ 330.836774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 330.836783] 412 total pagecache pages [ 330.839975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.845315] 0 pages in swap cache [ 330.854148] ? kasan_check_write+0x14/0x20 [ 330.858534] Swap cache stats: add 0, delete 0, find 0/0 [ 330.858544] Free swap = 0kB [ 330.867127] ? finish_task_switch+0x2f5/0x900 [ 330.870896] Total swap = 0kB [ 330.876426] ? __switch_to_asm+0x40/0x70 [ 330.879858] 1965979 pages RAM [ 330.884105] ? preempt_notifier_register+0x200/0x200 [ 330.889443] 0 pages HighMem/MovableOnly [ 330.892462] ? __switch_to_asm+0x34/0x70 [ 330.896930] 343323 pages reserved [ 330.899945] ? __switch_to_asm+0x40/0x70 [ 330.903985] 0 pages cma reserved [ 330.907087] ? __switch_to_asm+0x34/0x70 [ 330.912234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.916129] ? __switch_to_asm+0x40/0x70 [ 330.916142] ? __switch_to_asm+0x34/0x70 [ 330.916153] ? __switch_to_asm+0x40/0x70 [ 330.916185] ? pvclock_read_flags+0x160/0x160 [ 330.920285] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.923662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.927702] syz-executor0 cpuset= [ 330.931062] ? check_preemption_disabled+0x48/0x200 [ 330.935100] syz0 [ 330.941597] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 330.945634] mems_allowed=0 [ 330.949684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.949701] ? rcu_pm_notify+0xc0/0xc0 [ 331.002394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.007936] ? check_preemption_disabled+0x48/0x200 [ 331.012968] run_timer_softirq+0x52/0xb0 [ 331.017051] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.022073] __do_softirq+0x30b/0xad8 [ 331.025889] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 331.030997] ? trace_hardirqs_off_caller+0x300/0x300 [ 331.036105] ? trace_hardirqs_on+0x310/0x310 [ 331.040529] ? schedule+0x108/0x460 [ 331.044159] ? __schedule+0x1ed0/0x1ed0 [ 331.048146] ? trace_hardirqs_off+0xb8/0x300 [ 331.052558] ? ___might_sleep+0x1ed/0x300 [ 331.056708] ? smpboot_thread_fn+0x68b/0xa00 [ 331.061118] ? trace_hardirqs_on+0x310/0x310 [ 331.065530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.071069] ? check_preemption_disabled+0x48/0x200 [ 331.076094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.081658] ? takeover_tasklets+0xa90/0xa90 [ 331.086081] run_ksoftirqd+0x94/0x100 [ 331.089885] smpboot_thread_fn+0x68b/0xa00 [ 331.094128] ? sort_range+0x30/0x30 [ 331.097764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.102870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.108428] ? __kthread_parkme+0xfb/0x1a0 [ 331.112674] kthread+0x35a/0x420 [ 331.116044] ? sort_range+0x30/0x30 [ 331.119670] ? kthread_bind+0x40/0x40 [ 331.123480] ret_from_fork+0x3a/0x50 [ 331.127218] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 331.127306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.134505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.134511] Call Trace: [ 331.134517] [ 331.134537] dump_stack+0x1c4/0x2b4 [ 331.134554] ? dump_stack_print_info.cold.2+0x52/0x52 [ 331.134580] warn_alloc.cold.118+0xb7/0x1bd [ 331.141109] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.150409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.152968] ksoftirqd/1 cpuset= [ 331.155112] ? lock_downgrade+0x900/0x900 [ 331.158719] / [ 331.163908] ? trace_hardirqs_off+0xb8/0x300 [ 331.168206] mems_allowed=0 [ 331.178517] ? trace_hardirqs_off+0xb8/0x300 [ 331.204350] __alloc_pages_slowpath+0x2667/0x2d80 [ 331.209228] ? warn_alloc+0x120/0x120 [ 331.213038] ? warn_alloc+0x120/0x120 [ 331.216843] ? print_usage_bug+0xc0/0xc0 [ 331.220906] ? warn_alloc+0x120/0x120 [ 331.224710] ? print_usage_bug+0xc0/0xc0 [ 331.228776] ? __lock_acquire+0x7ec/0x4ec0 [ 331.233011] ? __lock_acquire+0x7ec/0x4ec0 [ 331.237251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.242793] ? should_fail+0x22d/0xd01 [ 331.246692] ? __lock_acquire+0x7ec/0x4ec0 [ 331.250933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.256043] ? __lock_acquire+0x7ec/0x4ec0 [ 331.260283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.265391] ? __lock_acquire+0x7ec/0x4ec0 [ 331.269636] ? should_fail+0x22d/0xd01 [ 331.273543] ? mark_held_locks+0x130/0x130 [ 331.277784] ? mark_held_locks+0x130/0x130 [ 331.282033] ? graph_lock+0x170/0x170 [ 331.285835] ? print_usage_bug+0xc0/0xc0 [ 331.289897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.295441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.300981] ? check_preemption_disabled+0x48/0x200 [ 331.305994] ? check_preemption_disabled+0x48/0x200 [ 331.311026] ? __lock_is_held+0xb5/0x140 [ 331.315099] __alloc_pages_nodemask+0xa80/0xde0 [ 331.319771] ? graph_lock+0x170/0x170 [ 331.323578] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 331.328602] ? graph_lock+0x170/0x170 [ 331.332425] ? find_held_lock+0x36/0x1c0 [ 331.336499] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.341642] ? lock_downgrade+0x900/0x900 [ 331.345809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.351367] cache_grow_begin+0x91/0x8c0 [ 331.355441] ? do_raw_spin_unlock+0xa7/0x2f0 [ 331.359866] fallback_alloc+0x203/0x2e0 [ 331.363855] ____cache_alloc_node+0x1c7/0x1e0 [ 331.368358] kmem_cache_alloc_node+0xe3/0x730 [ 331.372858] ? ipv6_get_ifaddr+0x42e/0x620 [ 331.377106] __alloc_skb+0x119/0x770 [ 331.380828] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.386126] ? skb_scrub_packet+0x490/0x490 [ 331.390453] ? lock_downgrade+0x900/0x900 [ 331.394619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.400169] ? refcount_sub_and_test_checked+0x203/0x310 [ 331.405641] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 331.411107] ? addrconf_rs_timer+0x6f0/0x6f0 [ 331.415536] ndisc_alloc_skb+0x144/0x340 [ 331.419624] ndisc_send_rs+0x331/0x6e0 [ 331.423530] addrconf_rs_timer+0x3c0/0x6f0 [ 331.427779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.432041] call_timer_fn+0x272/0x920 [ 331.435940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.440190] ? process_timeout+0x40/0x40 [ 331.444258] ? find_held_lock+0x36/0x1c0 [ 331.448334] ? __run_timers+0x7da/0xc70 [ 331.452315] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.456810] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.461312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.465562] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.470155] ? trace_hardirqs_on+0xbd/0x310 [ 331.474479] ? kasan_check_read+0x11/0x20 [ 331.478641] ? __run_timers+0x7da/0xc70 [ 331.482632] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.488122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.492369] __run_timers+0x7e5/0xc70 [ 331.496186] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 331.501562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 331.506587] ? graph_lock+0x170/0x170 [ 331.510402] ? enqueue_hrtimer+0x1a5/0x560 [ 331.514646] ? lock_release+0x970/0x970 [ 331.518638] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.523848] ? find_held_lock+0x36/0x1c0 [ 331.527930] ? graph_lock+0x170/0x170 [ 331.531736] ? pvclock_read_flags+0x160/0x160 [ 331.536240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.541777] ? check_preemption_disabled+0x48/0x200 [ 331.546806] ? __lock_is_held+0xb5/0x140 [ 331.550869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.556405] ? check_preemption_disabled+0x48/0x200 [ 331.561437] run_timer_softirq+0x52/0xb0 [ 331.565502] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.570531] __do_softirq+0x30b/0xad8 [ 331.574362] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 331.579482] ? pvclock_read_flags+0x160/0x160 [ 331.583983] ? lapic_next_event+0x5a/0x90 [ 331.588135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.593684] ? check_preemption_disabled+0x48/0x200 [ 331.598705] ? check_preemption_disabled+0x48/0x200 [ 331.603731] ? kvm_clock_read+0x18/0x30 [ 331.607710] ? kvm_sched_clock_read+0x9/0x20 [ 331.612126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.617673] ? check_preemption_disabled+0x48/0x200 [ 331.622711] irq_exit+0x17f/0x1c0 [ 331.626173] smp_apic_timer_interrupt+0x1cb/0x760 [ 331.631027] ? smp_reschedule_interrupt+0x109/0x650 [ 331.636049] ? smp_call_function_single_interrupt+0x650/0x650 [ 331.641937] ? interrupt_entry+0xb5/0xf0 [ 331.646005] ? trace_hardirqs_off_caller+0xbb/0x300 [ 331.651022] ? trace_hardirqs_off_caller+0xbb/0x300 [ 331.656042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.660889] ? trace_hardirqs_off+0x300/0x300 [ 331.665386] ? trace_hardirqs_off+0x300/0x300 [ 331.669883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.675424] ? check_preemption_disabled+0x48/0x200 [ 331.680445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.685994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.690851] apic_timer_interrupt+0xf/0x20 [ 331.695083] [ 331.697326] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 331.702267] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 331.721182] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 331.728912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 331.736188] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 331.743462] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 331.750737] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 331.758019] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 331.765347] skb_clone+0x1bb/0x500 [ 331.768893] ? finish_task_switch+0x1b5/0x900 [ 331.773403] ? skb_split+0x11e0/0x11e0 [ 331.777298] ? preempt_notifier_register+0x200/0x200 [ 331.782410] ? __switch_to_asm+0x34/0x70 [ 331.786475] ? __switch_to_asm+0x34/0x70 [ 331.790537] ? __switch_to_asm+0x40/0x70 [ 331.794605] ? __switch_to_asm+0x34/0x70 [ 331.798679] ? __switch_to_asm+0x40/0x70 [ 331.802743] ? __switch_to_asm+0x34/0x70 [ 331.806803] ? __switch_to_asm+0x40/0x70 [ 331.810863] ? __switch_to_asm+0x34/0x70 [ 331.814926] ? __switch_to_asm+0x34/0x70 [ 331.818983] ? __switch_to_asm+0x40/0x70 [ 331.823043] ? __switch_to_asm+0x34/0x70 [ 331.827118] bpf_clone_redirect+0xb9/0x490 [ 331.831358] ? __schedule+0x874/0x1ed0 [ 331.835256] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 331.840284] ? __sched_text_start+0x8/0x8 [ 331.844436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 331.849208] ? find_held_lock+0x36/0x1c0 [ 331.853278] ? lock_acquire+0x1ed/0x520 [ 331.857254] ? bpf_test_run+0x32e/0x5a0 [ 331.861229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.866767] ? check_preemption_disabled+0x48/0x200 [ 331.871793] ? kasan_check_read+0x11/0x20 [ 331.875953] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.881233] ? rcu_bh_qs+0xc0/0xc0 [ 331.884779] ? preempt_schedule+0x4d/0x60 [ 331.888936] ? ___preempt_schedule+0x16/0x18 [ 331.893361] ? bpf_test_run+0x1c0/0x5a0 [ 331.897351] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.901771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.907308] ? bpf_test_init.isra.9+0x70/0x100 [ 331.911898] ? bpf_prog_test_run_skb+0x634/0xb40 [ 331.916680] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.921530] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.927073] ? fput+0x130/0x1a0 [ 331.930359] ? __bpf_prog_get+0x9b/0x290 [ 331.934428] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.939274] ? bpf_prog_test_run+0x130/0x1a0 [ 331.943698] ? __x64_sys_bpf+0x3d8/0x510 [ 331.947761] ? bpf_prog_get+0x20/0x20 [ 331.951572] ? ksys_ioctl+0x81/0xd0 [ 331.955212] ? do_syscall_64+0x1b9/0x820 [ 331.959281] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.964663] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.969607] ? trace_hardirqs_off+0x300/0x300 [ 331.974118] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.979138] ? recalc_sigpending_tsk+0x180/0x180 [ 331.983897] ? kasan_check_write+0x14/0x20 [ 331.988141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.992995] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.998380] warn_alloc_show_mem: 1 callbacks suppressed [ 331.998391] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 331.998393] Mem-Info: [ 331.998427] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 331.998427] active_file:14 inactive_file:18 isolated_file:1 [ 331.998427] unevictable:0 dirty:0 writeback:0 unstable:0 [ 331.998427] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 331.998427] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 331.998427] free:13768 free_pcp:583 free_cma:0 [ 332.003768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.010625] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.013026] Call Trace: [ 332.045903] Node 0 [ 332.055270] dump_stack+0x1c4/0x2b4 [ 332.082948] 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 [ 332.085514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 332.087720] lowmem_reserve[]: [ 332.091359] warn_alloc.cold.118+0xb7/0x1bd [ 332.116838] 0 [ 332.122035] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.125107] 2815 [ 332.129424] ? lock_downgrade+0x900/0x900 [ 332.131195] 6318 6318 [ 332.136047] ? trace_hardirqs_off+0xb8/0x300 [ 332.142228] ? trace_hardirqs_off+0xb8/0x300 [ 332.144703] Node 0 [ 332.149117] __alloc_pages_slowpath+0x2667/0x2d80 [ 332.153519] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 332.155819] ? warn_alloc+0x120/0x120 [ 332.160633] lowmem_reserve[]: [ 332.187556] ? warn_alloc+0x120/0x120 [ 332.191330] 0 [ 332.194432] ? print_usage_bug+0xc0/0xc0 [ 332.198199] 0 3503 [ 332.200005] ? warn_alloc+0x120/0x120 [ 332.204040] 3503 [ 332.206280] ? print_usage_bug+0xc0/0xc0 [ 332.210053] Node 0 [ 332.212112] ? __lock_acquire+0x7ec/0x4ec0 [ 332.216170] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 332.218376] ? __lock_acquire+0x7ec/0x4ec0 [ 332.222582] lowmem_reserve[]: 0 [ 332.251069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.255277] 0 0 [ 332.258572] ? should_fail+0x22d/0xd01 [ 332.264078] 0 [ 332.266069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.269922] Node 0 [ 332.271723] ? __lock_acquire+0x7ec/0x4ec0 [ 332.276796] DMA: [ 332.279028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.283236] 1*4kB [ 332.285293] ? __lock_acquire+0x7ec/0x4ec0 [ 332.290363] (U) 0*8kB [ 332.292520] ? should_fail+0x22d/0xd01 [ 332.296738] 0*16kB [ 332.299244] ? mark_held_locks+0x130/0x130 [ 332.303092] 1*32kB (U) [ 332.305338] ? mark_held_locks+0x130/0x130 [ 332.309540] 2*64kB (U) [ 332.312130] ? graph_lock+0x170/0x170 [ 332.316339] 1*128kB (U) [ 332.318930] ? graph_lock+0x170/0x170 [ 332.322709] 1*256kB [ 332.325374] ? graph_lock+0x170/0x170 [ 332.329150] (U) [ 332.331476] ? print_usage_bug+0xc0/0xc0 [ 332.335244] 0*512kB 1*1024kB [ 332.337225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.341255] (U) [ 332.344355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.349863] 1*2048kB (M) [ 332.351846] ? check_preemption_disabled+0x48/0x200 [ 332.357354] 3*4096kB (M) [ 332.360120] ? check_preemption_disabled+0x48/0x200 [ 332.365111] = 15908kB [ 332.367873] ? __lock_is_held+0xb5/0x140 [ 332.372856] Node 0 [ 332.375266] __alloc_pages_nodemask+0xa80/0xde0 [ 332.379295] DMA32: [ 332.381528] ? graph_lock+0x170/0x170 [ 332.386178] 4*4kB [ 332.388415] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 332.392186] (UM) [ 332.394330] ? graph_lock+0x170/0x170 [ 332.399316] 2*8kB (M) [ 332.401402] ? find_held_lock+0x36/0x1c0 [ 332.405170] 1*16kB (M) [ 332.407689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.411720] 1*32kB [ 332.414299] ? lock_downgrade+0x900/0x900 [ 332.418934] (M) 3*64kB [ 332.421190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.425298] (UM) [ 332.427882] cache_grow_begin+0x91/0x8c0 [ 332.433383] 3*128kB (M) [ 332.435455] ? do_raw_spin_unlock+0xa7/0x2f0 [ 332.439486] 2*256kB (M) [ 332.442177] fallback_alloc+0x203/0x2e0 [ 332.446547] 3*512kB (M) [ 332.449232] ____cache_alloc_node+0x1c7/0x1e0 [ 332.453166] 4*1024kB (UM) [ 332.455856] kmem_cache_alloc_node+0xe3/0x730 [ 332.460321] 3*2048kB [ 332.463166] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.467640] (M) [ 332.470513] __alloc_skb+0x119/0x770 [ 332.474716] 3*4096kB [ 332.476695] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.480377] (M) [ 332.482791] ? skb_scrub_packet+0x490/0x490 [ 332.488038] = 25232kB [ 332.490012] ? lock_downgrade+0x900/0x900 [ 332.494309] Node 0 [ 332.496718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.500829] Normal: 1065*4kB [ 332.503071] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.508578] (MEH) 487*8kB [ 332.511708] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.517120] (ME) 153*16kB [ 332.519975] ? addrconf_rs_timer+0x6f0/0x6f0 [ 332.525390] (MEH) 77*32kB [ 332.528253] ndisc_alloc_skb+0x144/0x340 [ 332.532625] (UM) 0*64kB [ 332.535480] ndisc_send_rs+0x331/0x6e0 [ 332.539509] 1*128kB (H) [ 332.542192] addrconf_rs_timer+0x3c0/0x6f0 [ 332.546040] 1*256kB (U) [ 332.548722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.552941] 1*512kB (U) [ 332.555638] call_timer_fn+0x272/0x920 [ 332.559836] 0*1024kB [ 332.562505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.566358] 0*2048kB 0*4096kB [ 332.568777] ? process_timeout+0x40/0x40 [ 332.572977] = 13964kB [ 332.572991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.576167] ? find_held_lock+0x36/0x1c0 [ 332.580221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.580230] 412 total pagecache pages [ 332.582648] ? __run_timers+0x7da/0xc70 [ 332.591459] 0 pages in swap cache [ 332.595520] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.604072] Swap cache stats: add 0, delete 0, find 0/0 [ 332.604083] Free swap = 0kB [ 332.607890] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.611834] Total swap = 0kB [ 332.615284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.619755] 1965979 pages RAM [ 332.625122] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.628106] 0 pages HighMem/MovableOnly [ 332.628115] 343323 pages reserved [ 332.632636] ? trace_hardirqs_on+0xbd/0x310 [ 332.635639] 0 pages cma reserved [ 332.639867] ? kasan_check_read+0x11/0x20 [ 332.643012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 332.647524] ? __run_timers+0x7da/0xc70 [ 332.651528] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.654913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.659209] syz-executor0 cpuset= [ 332.662574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.666699] syz0 [ 332.673227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.677180] mems_allowed=0 [ 332.687676] __run_timers+0x7e5/0xc70 [ 332.713683] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 332.719059] ? compat_start_thread+0x80/0x80 [ 332.723484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.729036] ? kasan_check_write+0x14/0x20 [ 332.733279] ? finish_task_switch+0x2f5/0x900 [ 332.737779] ? __switch_to_asm+0x40/0x70 [ 332.741848] ? preempt_notifier_register+0x200/0x200 [ 332.746954] ? __switch_to_asm+0x34/0x70 [ 332.751018] ? __switch_to_asm+0x40/0x70 [ 332.755078] ? __switch_to_asm+0x34/0x70 [ 332.759137] ? __switch_to_asm+0x40/0x70 [ 332.763206] ? __switch_to_asm+0x34/0x70 [ 332.767269] ? __switch_to_asm+0x40/0x70 [ 332.771343] ? pvclock_read_flags+0x160/0x160 [ 332.775843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.781384] ? check_preemption_disabled+0x48/0x200 [ 332.786416] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 332.791957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.797243] ? rcu_pm_notify+0xc0/0xc0 [ 332.801140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.806686] ? check_preemption_disabled+0x48/0x200 [ 332.811718] run_timer_softirq+0x52/0xb0 [ 332.815785] ? rcu_read_lock_sched_held+0x108/0x120 [ 332.820830] __do_softirq+0x30b/0xad8 [ 332.824656] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 332.829761] ? trace_hardirqs_off_caller+0x300/0x300 [ 332.834870] ? trace_hardirqs_on+0x310/0x310 [ 332.839287] ? schedule+0x108/0x460 [ 332.842919] ? __schedule+0x1ed0/0x1ed0 [ 332.846902] ? trace_hardirqs_off+0xb8/0x300 [ 332.851313] ? ___might_sleep+0x1ed/0x300 [ 332.855459] ? smpboot_thread_fn+0x68b/0xa00 [ 332.859874] ? trace_hardirqs_on+0x310/0x310 [ 332.864287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.869842] ? check_preemption_disabled+0x48/0x200 [ 332.874867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.880415] ? takeover_tasklets+0xa90/0xa90 [ 332.884829] run_ksoftirqd+0x94/0x100 [ 332.888640] smpboot_thread_fn+0x68b/0xa00 [ 332.892880] ? sort_range+0x30/0x30 [ 332.896518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.901632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.907180] ? __kthread_parkme+0xfb/0x1a0 [ 332.911423] kthread+0x35a/0x420 [ 332.914794] ? sort_range+0x30/0x30 [ 332.918418] ? kthread_bind+0x40/0x40 [ 332.922225] ret_from_fork+0x3a/0x50 [ 332.925962] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 332.926002] rcu: INFO: rcu_preempt self-detected stall on CPU [ 332.933244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.933255] Call Trace: [ 332.948487] [ 332.951352] rcu: 1-...!: (1 GPs behind) idle=49a/1/0x4000000000000002 softirq=14731/14731 fqs=1 [ 332.953209] dump_stack+0x1c4/0x2b4 [ 332.953226] ? dump_stack_print_info.cold.2+0x52/0x52 [ 332.953255] warn_alloc.cold.118+0xb7/0x1bd [ 332.953271] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.953289] ? lock_downgrade+0x900/0x900 [ 332.953313] ? trace_hardirqs_off+0xb8/0x300 [ 332.953333] ? trace_hardirqs_off+0xb8/0x300 [ 332.953355] __alloc_pages_slowpath+0x2667/0x2d80 [ 332.953397] ? warn_alloc+0x120/0x120 [ 332.962805] rcu: [ 332.966440] ? warn_alloc+0x120/0x120 [ 332.971604] (t=10667 jiffies g=16353 q=32) [ 332.975932] ? print_usage_bug+0xc0/0xc0 [ 332.980765] rcu: rcu_preempt kthread starved for 10352 jiffies! g16353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 332.984901] ? warn_alloc+0x120/0x120 [ 332.989289] rcu: RCU grace-period kthread stack dump: [ 332.993700] ? print_usage_bug+0xc0/0xc0 [ 332.998519] rcu_preempt R [ 333.002319] ? __lock_acquire+0x7ec/0x4ec0 [ 333.004440] running task [ 333.008239] ? __lock_acquire+0x7ec/0x4ec0 [ 333.012542] 22872 10 2 0x80000000 [ 333.016593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.027055] Call Trace: [ 333.030855] ? should_fail+0x22d/0xd01 [ 333.036031] __schedule+0x86c/0x1ed0 [ 333.040074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.043175] ? __sched_text_start+0x8/0x8 [ 333.047383] ? __lock_acquire+0x7ec/0x4ec0 [ 333.050557] ? __mod_timer+0x6f6/0x1870 [ 333.050581] ? add_timer_on+0x9f0/0x9f0 [ 333.054799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.058933] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.064455] ? __lock_acquire+0x7ec/0x4ec0 [ 333.067029] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.070902] ? should_fail+0x22d/0xd01 [ 333.070929] ? mark_held_locks+0x130/0x130 [ 333.074632] ? trace_hardirqs_on+0xbd/0x310 [ 333.079722] ? mark_held_locks+0x130/0x130 [ 333.083850] ? kasan_check_read+0x11/0x20 [ 333.088070] ? graph_lock+0x170/0x170 [ 333.092035] ? prepare_to_swait_event+0x25a/0x800 [ 333.095990] ? graph_lock+0x170/0x170 [ 333.101081] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.106193] ? graph_lock+0x170/0x170 [ 333.110420] schedule+0xfe/0x460 [ 333.115503] ? print_usage_bug+0xc0/0xc0 [ 333.119380] ? __schedule+0x1ed0/0x1ed0 [ 333.123602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.127913] ? prepare_to_swait_event+0x25a/0x800 [ 333.132130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.136270] ? __init_swait_queue_head+0x150/0x150 [ 333.140051] ? check_preemption_disabled+0x48/0x200 [ 333.144878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.148654] ? check_preemption_disabled+0x48/0x200 [ 333.148688] ? __lock_is_held+0xb5/0x140 [ 333.154115] ? __lockdep_init_map+0x105/0x590 [ 333.157905] __alloc_pages_nodemask+0xa80/0xde0 [ 333.161250] ? lockdep_init_map+0x9/0x10 [ 333.165294] ? graph_lock+0x170/0x170 [ 333.169274] schedule_timeout+0x140/0x260 [ 333.174793] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 333.179631] ? usleep_range+0x1a0/0x1a0 [ 333.185150] ? graph_lock+0x170/0x170 [ 333.185176] ? find_held_lock+0x36/0x1c0 [ 333.190095] ? __next_timer_interrupt+0x1a0/0x1a0 [ 333.195100] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.200189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.205187] ? lock_downgrade+0x900/0x900 [ 333.209241] rcu_gp_kthread+0x9d9/0x2310 [ 333.213721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.218392] ? rcu_gp_init+0x1830/0x1830 [ 333.222419] cache_grow_begin+0x91/0x8c0 [ 333.226206] ? update_curr+0x344/0xbe0 [ 333.230342] ? do_raw_spin_unlock+0xa7/0x2f0 [ 333.235340] ? graph_lock+0x170/0x170 [ 333.239314] fallback_alloc+0x203/0x2e0 [ 333.243092] ? __account_cfs_rq_runtime+0x790/0x790 [ 333.247141] ____cache_alloc_node+0x1c7/0x1e0 [ 333.251965] ? __lock_acquire+0x7ec/0x4ec0 [ 333.256627] kmem_cache_alloc_node+0xe3/0x730 [ 333.262151] ? graph_lock+0x170/0x170 [ 333.266285] ? ipv6_get_ifaddr+0x42e/0x620 [ 333.270342] ? mark_held_locks+0x130/0x130 [ 333.275873] __alloc_skb+0x119/0x770 [ 333.279922] ? __lock_is_held+0xb5/0x140 [ 333.283964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.287833] ? __account_cfs_rq_runtime+0x790/0x790 [ 333.292230] ? skb_scrub_packet+0x490/0x490 [ 333.296020] ? set_next_entity+0x30c/0xc40 [ 333.299972] ? lock_downgrade+0x900/0x900 [ 333.304978] ? mark_held_locks+0x130/0x130 [ 333.309465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.313679] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.318167] ? refcount_sub_and_test_checked+0x203/0x310 [ 333.321958] ? select_task_rq_fair+0x34f0/0x34f0 [ 333.326176] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 333.330405] ? __enqueue_entity+0x10d/0x1f0 [ 333.334105] ? addrconf_rs_timer+0x6f0/0x6f0 [ 333.338152] ? graph_lock+0x170/0x170 [ 333.343810] ndisc_alloc_skb+0x144/0x340 [ 333.348808] ? lock_repin_lock+0x251/0x430 [ 333.353112] ndisc_send_rs+0x331/0x6e0 [ 333.357334] ? graph_lock+0x170/0x170 [ 333.361470] addrconf_rs_timer+0x3c0/0x6f0 [ 333.365689] ? put_prev_task_stop+0x300/0xa10 [ 333.371216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.376221] ? lock_repin_lock+0x250/0x430 [ 333.381662] call_timer_fn+0x272/0x920 [ 333.386394] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.391829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.396139] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.400532] ? process_timeout+0x40/0x40 [ 333.404320] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.408363] ? find_held_lock+0x36/0x1c0 [ 333.412584] ? trace_hardirqs_on+0xbd/0x310 [ 333.416460] ? __run_timers+0x7da/0xc70 [ 333.420284] ? kasan_check_read+0x11/0x20 [ 333.424504] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.428991] ? mark_held_locks+0x130/0x130 [ 333.433886] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.438108] ? audit_add_watch+0xae1/0xdc0 [ 333.441977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.441995] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.446482] ? kasan_check_write+0x14/0x20 [ 333.450712] ? trace_hardirqs_on+0xbd/0x310 [ 333.455198] ? finish_task_switch+0x2f5/0x900 [ 333.459238] ? kasan_check_read+0x11/0x20 [ 333.463819] ? __switch_to_asm+0x40/0x70 [ 333.467872] ? __run_timers+0x7da/0xc70 [ 333.472193] ? preempt_notifier_register+0x200/0x200 [ 333.476149] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.480285] ? __switch_to_asm+0x34/0x70 [ 333.484768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.488990] ? __switch_to_asm+0x34/0x70 [ 333.493470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 333.497689] ? __switch_to_asm+0x40/0x70 [ 333.497703] ? __switch_to_asm+0x40/0x70 [ 333.501933] __run_timers+0x7e5/0xc70 [ 333.506510] ? __switch_to_asm+0x34/0x70 [ 333.510741] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.515043] ? __switch_to_asm+0x40/0x70 [ 333.519526] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.523664] ? __switch_to_asm+0x34/0x70 [ 333.527815] ? graph_lock+0x170/0x170 [ 333.531777] ? __switch_to_asm+0x34/0x70 [ 333.536866] ? enqueue_hrtimer+0x1a5/0x560 [ 333.542310] ? __switch_to_asm+0x40/0x70 [ 333.546377] ? lock_release+0x970/0x970 [ 333.550623] ? __switch_to_asm+0x40/0x70 [ 333.554679] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.558895] ? __switch_to_asm+0x34/0x70 [ 333.562948] ? find_held_lock+0x36/0x1c0 [ 333.566992] ? __switch_to_asm+0x40/0x70 [ 333.570782] ? graph_lock+0x170/0x170 [ 333.574828] ? __schedule+0x874/0x1ed0 [ 333.580179] ? pvclock_read_flags+0x160/0x160 [ 333.584235] ? __switch_to_asm+0x40/0x70 [ 333.589239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.593284] ? __switch_to_asm+0x40/0x70 [ 333.597071] ? check_preemption_disabled+0x48/0x200 [ 333.601123] ? graph_lock+0x170/0x170 [ 333.605346] ? __lock_is_held+0xb5/0x140 [ 333.609393] ? __sched_text_start+0x8/0x8 [ 333.613352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.617405] ? find_held_lock+0x36/0x1c0 [ 333.622575] ? check_preemption_disabled+0x48/0x200 [ 333.626638] ? __kthread_parkme+0xce/0x1a0 [ 333.630686] run_timer_softirq+0x52/0xb0 [ 333.634728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.638513] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.642388] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.646869] __do_softirq+0x30b/0xad8 [ 333.650916] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.656448] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 333.660484] ? trace_hardirqs_on+0xbd/0x310 [ 333.665489] ? pvclock_read_flags+0x160/0x160 [ 333.669272] ? kasan_check_read+0x11/0x20 [ 333.673316] ? lapic_next_event+0x5a/0x90 [ 333.677451] ? __kthread_parkme+0xce/0x1a0 [ 333.682976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.687024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.692025] ? check_preemption_disabled+0x48/0x200 [ 333.696254] ? kasan_check_write+0x14/0x20 [ 333.700294] ? check_preemption_disabled+0x48/0x200 [ 333.700316] ? kvm_clock_read+0x18/0x30 [ 333.705408] ? do_raw_spin_lock+0xc1/0x200 [ 333.710411] ? kvm_sched_clock_read+0x9/0x20 [ 333.715767] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.719554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.724137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.729226] ? check_preemption_disabled+0x48/0x200 [ 333.733535] ? __kthread_parkme+0xfb/0x1a0 [ 333.738020] irq_exit+0x17f/0x1c0 [ 333.742148] kthread+0x35a/0x420 [ 333.746282] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.750509] ? rcu_gp_init+0x1830/0x1830 [ 333.756034] ? smp_reschedule_interrupt+0x109/0x650 [ 333.761487] ? kthread_bind+0x40/0x40 [ 333.766578] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.770795] ret_from_fork+0x3a/0x50 [ 333.775800] ? interrupt_entry+0xb5/0xf0 [ 333.779774] NMI backtrace for cpu 1 [ 333.783988] ? trace_hardirqs_off_caller+0xbb/0x300 [ 333.860382] ? trace_hardirqs_off_caller+0xbb/0x300 [ 333.865404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.870252] ? trace_hardirqs_off+0x300/0x300 [ 333.874746] ? trace_hardirqs_off+0x300/0x300 [ 333.879243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.884782] ? check_preemption_disabled+0x48/0x200 [ 333.889800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.895349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.900208] apic_timer_interrupt+0xf/0x20 [ 333.904439] [ 333.906693] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 333.911634] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 333.930721] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 333.938441] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 333.945714] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 333.953008] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 333.960285] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 333.967559] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 333.974879] skb_clone+0x1bb/0x500 [ 333.978419] ? finish_task_switch+0x1b5/0x900 [ 333.982917] ? skb_split+0x11e0/0x11e0 [ 333.986812] ? preempt_notifier_register+0x200/0x200 [ 333.991919] ? __switch_to_asm+0x34/0x70 [ 333.995985] ? __switch_to_asm+0x34/0x70 [ 334.000043] ? __switch_to_asm+0x40/0x70 [ 334.004102] ? __switch_to_asm+0x34/0x70 [ 334.008163] ? __switch_to_asm+0x40/0x70 [ 334.012223] ? __switch_to_asm+0x34/0x70 [ 334.016280] ? __switch_to_asm+0x40/0x70 [ 334.020339] ? __switch_to_asm+0x34/0x70 [ 334.024402] ? __switch_to_asm+0x34/0x70 [ 334.028464] ? __switch_to_asm+0x40/0x70 [ 334.032527] ? __switch_to_asm+0x34/0x70 [ 334.036598] bpf_clone_redirect+0xb9/0x490 [ 334.040843] ? __schedule+0x874/0x1ed0 [ 334.044739] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 334.049764] ? __sched_text_start+0x8/0x8 [ 334.053914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 334.058691] ? find_held_lock+0x36/0x1c0 [ 334.062762] ? lock_acquire+0x1ed/0x520 [ 334.066737] ? bpf_test_run+0x32e/0x5a0 [ 334.070714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.076266] ? check_preemption_disabled+0x48/0x200 [ 334.081289] ? kasan_check_read+0x11/0x20 [ 334.085443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 334.090728] ? rcu_bh_qs+0xc0/0xc0 [ 334.094276] ? preempt_schedule+0x4d/0x60 [ 334.098426] ? ___preempt_schedule+0x16/0x18 [ 334.102848] ? bpf_test_run+0x1c0/0x5a0 [ 334.106839] ? netlink_diag_dump+0x2a0/0x2a0 [ 334.111255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.116794] ? bpf_test_init.isra.9+0x70/0x100 [ 334.121381] ? bpf_prog_test_run_skb+0x634/0xb40 [ 334.126148] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 334.130999] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.136536] ? fput+0x130/0x1a0 [ 334.139822] ? __bpf_prog_get+0x9b/0x290 [ 334.143886] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 334.148728] ? bpf_prog_test_run+0x130/0x1a0 [ 334.153140] ? __x64_sys_bpf+0x3d8/0x510 [ 334.157206] ? bpf_prog_get+0x20/0x20 [ 334.161019] ? ksys_ioctl+0x81/0xd0 [ 334.164659] ? do_syscall_64+0x1b9/0x820 [ 334.168726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 334.174092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.179029] ? trace_hardirqs_off+0x300/0x300 [ 334.183528] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 334.188548] ? recalc_sigpending_tsk+0x180/0x180 [ 334.193308] ? kasan_check_write+0x14/0x20 [ 334.197550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.202407] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.207784] warn_alloc_show_mem: 1 callbacks suppressed [ 334.207795] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 334.207797] Mem-Info: [ 334.207830] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 334.207830] active_file:14 inactive_file:18 isolated_file:1 [ 334.207830] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.207830] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 334.207830] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 334.207830] free:13768 free_pcp:583 free_cma:0 [ 334.213162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.213176] Call Trace: [ 334.220021] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.222422] [ 334.255315] Node 0 [ 334.264681] dump_stack+0x1c4/0x2b4 [ 334.267269] 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 [ 334.294929] ? dump_stack_print_info.cold.2+0x52/0x52 [ 334.297053] lowmem_reserve[]: [ 334.299287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.302884] 0 [ 334.328399] ? trace_hardirqs_off+0xb8/0x300 [ 334.333564] 2815 [ 334.336668] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 334.342571] 6318 [ 334.344372] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 334.348745] 6318 [ 334.350815] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 334.355457] Node 0 [ 334.357524] arch_trigger_cpumask_backtrace+0x14/0x20 [ 334.362710] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.364745] rcu_dump_cpu_stacks+0x175/0x1c2 [ 334.369992] lowmem_reserve[]: [ 334.372228] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 334.377385] 0 0 [ 334.404299] print_cpu_stall.cold.78+0x2d3/0x524 [ 334.408685] 3503 [ 334.411795] ? rcu_dynticks_snap+0x30/0x30 [ 334.416780] 3503 [ 334.418775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.423502] Node 0 [ 334.425562] ? check_preemption_disabled+0x48/0x200 [ 334.429800] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 334.431835] ? check_preemption_disabled+0x48/0x200 [ 334.437343] lowmem_reserve[]: 0 [ 334.439589] ? rcu_test_sync_prims+0x30/0x30 [ 334.444575] 0 0 [ 334.473567] ? __lock_is_held+0xb5/0x140 [ 334.478556] 0 [ 334.481833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.486212] Node 0 [ 334.488190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.492218] DMA: 1*4kB [ 334.494024] ? check_preemption_disabled+0x48/0x200 [ 334.499553] (U) [ 334.501793] rcu_check_callbacks+0xfd9/0x1990 [ 334.507292] 0*8kB 0*16kB [ 334.509895] ? rcu_cpu_stall_reset+0x220/0x220 [ 334.514869] 1*32kB (U) [ 334.516854] ? lock_release+0x970/0x970 [ 334.521320] 2*64kB (U) [ 334.524084] ? graph_lock+0x170/0x170 [ 334.528639] 1*128kB (U) [ 334.531230] ? graph_lock+0x170/0x170 [ 334.535193] 1*256kB [ 334.537771] ? graph_lock+0x170/0x170 [ 334.541550] (U) [ 334.544214] ? graph_lock+0x170/0x170 [ 334.547990] 0*512kB [ 334.550306] ? find_held_lock+0x36/0x1c0 [ 334.554077] 1*1024kB (U) [ 334.556065] ? cpuacct_account_field+0x219/0x3d0 [ 334.559830] 1*2048kB (M) [ 334.562158] ? graph_lock+0x170/0x170 [ 334.566190] 3*4096kB (M) [ 334.568948] ? find_held_lock+0x36/0x1c0 [ 334.573678] = 15908kB [ 334.576436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.580223] Node 0 [ 334.582977] ? check_preemption_disabled+0x48/0x200 [ 334.587009] DMA32: [ 334.589416] ? check_preemption_disabled+0x48/0x200 [ 334.594929] 4*4kB [ 334.597166] ? trace_hardirqs_off+0xb8/0x300 [ 334.602148] (UM) [ 334.604383] ? __lock_is_held+0xb5/0x140 [ 334.609366] 2*8kB (M) [ 334.611518] ? trace_hardirqs_on+0x310/0x310 [ 334.615893] 1*16kB (M) [ 334.617960] ? check_preemption_disabled+0x48/0x200 [ 334.621993] 1*32kB (M) [ 334.624496] ? raise_softirq+0x199/0x420 [ 334.628874] 3*64kB [ 334.631452] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 334.636440] (UM) [ 334.639026] ? account_system_index_time+0x333/0x5d0 [ 334.643062] 3*128kB [ 334.645297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.649938] (M) [ 334.652022] ? check_preemption_disabled+0x48/0x200 [ 334.657094] 2*256kB (M) [ 334.659425] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.664927] 3*512kB (M) [ 334.666910] ? hrtimer_run_queues+0x9a/0x400 [ 334.671897] 4*1024kB (UM) [ 334.674590] ? run_local_timers+0x19b/0x230 [ 334.680105] 3*2048kB [ 334.682768] ? timer_clear_idle+0x90/0x90 [ 334.687145] (M) 3*4096kB [ 334.690005] ? irqtime_account_process_tick.isra.6+0x38e/0x490 [ 334.694294] (M) [ 334.696706] ? account_process_tick+0x282/0x350 [ 334.700835] = 25232kB [ 334.703589] update_process_times+0x2d/0x70 [ 334.709530] Node 0 [ 334.711504] tick_sched_handle+0x9f/0x180 [ 334.716156] Normal: [ 334.718577] tick_sched_timer+0x45/0x130 [ 334.722877] 1065*4kB [ 334.725110] __hrtimer_run_queues+0x41c/0x10d0 [ 334.729248] (MEH) [ 334.731572] ? tick_sched_do_timer+0x1a0/0x1a0 [ 334.735597] 487*8kB (ME) [ 334.738018] ? hrtimer_start_range_ns+0xe00/0xe00 [ 334.742570] 153*16kB (MEH) [ 334.744727] ? pvclock_read_flags+0x160/0x160 [ 334.749282] 77*32kB [ 334.752038] ? trace_hardirqs_on+0x310/0x310 [ 334.756852] (UM) [ 334.759779] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 334.764240] 0*64kB 1*128kB [ 334.766571] ? kvm_clock_read+0x18/0x30 [ 334.770949] (H) [ 334.773008] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 334.777998] 1*256kB [ 334.780931] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 334.784872] (U) 1*512kB [ 334.786866] ? do_timer+0x50/0x50 [ 334.791844] (U) 0*1024kB [ 334.794180] ? trace_hardirqs_on+0x310/0x310 [ 334.799510] 0*2048kB [ 334.802185] ? do_raw_spin_lock+0xc1/0x200 [ 334.805594] 0*4096kB = 13964kB [ 334.808367] hrtimer_interrupt+0x313/0x780 [ 334.812752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.815165] smp_apic_timer_interrupt+0x1a1/0x760 [ 334.819359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.819368] 412 total pagecache pages [ 334.822558] ? smp_call_function_single_interrupt+0x650/0x650 [ 334.826767] 0 pages in swap cache [ 334.835600] ? interrupt_entry+0xb5/0xf0 [ 334.840420] Swap cache stats: add 0, delete 0, find 0/0 [ 334.848998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 334.852768] Free swap = 0kB [ 334.852776] Total swap = 0kB [ 334.858659] ? trace_hardirqs_off_caller+0xbb/0x300 [ 334.858677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.862119] 1965979 pages RAM [ 334.866188] ? trace_hardirqs_off+0x300/0x300 [ 334.871513] 0 pages HighMem/MovableOnly [ 334.871521] 343323 pages reserved [ 334.876536] ? trace_hardirqs_off+0x300/0x300 [ 334.879522] 0 pages cma reserved [ 334.879601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 334.882545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.882559] ? check_preemption_disabled+0x48/0x200 [ 334.882576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.887643] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.892419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.895494] syz-executor0 cpuset= [ 334.899993] apic_timer_interrupt+0xf/0x20 [ 334.903933] syz0 [ 334.907373] [ 334.911858] mems_allowed=0 [ 334.915223] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 334.973157] Code: 40 7e 0f 85 32 ff ff ff e8 95 db 3e ff e9 28 ff ff ff e8 ac 38 c3 ff 48 83 3d 4c 87 b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 334.992073] RSP: 0000:ffff8801d9b57410 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 334.999799] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b367dac [ 335.007081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 335.014363] RBP: ffff8801d9b57480 R08: ffff8801d9b3ed60 R09: 0000000000000002 [ 335.021646] R10: 0000000000000000 R11: ffff8801d9b3e4c0 R12: ffff8801d9be7680 [ 335.028924] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 335.036252] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.040508] __alloc_skb+0x119/0x770 [ 335.044233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.049522] ? skb_scrub_packet+0x490/0x490 [ 335.053847] ? lock_downgrade+0x900/0x900 [ 335.058006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.063550] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.069010] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.074463] ? addrconf_rs_timer+0x6f0/0x6f0 [ 335.078889] ndisc_alloc_skb+0x144/0x340 [ 335.082962] ndisc_send_rs+0x331/0x6e0 [ 335.086857] addrconf_rs_timer+0x3c0/0x6f0 [ 335.091098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.095350] call_timer_fn+0x272/0x920 [ 335.099271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.103513] ? process_timeout+0x40/0x40 [ 335.107572] ? find_held_lock+0x36/0x1c0 [ 335.111651] ? __run_timers+0x7da/0xc70 [ 335.115639] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.120156] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.124664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.128902] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 335.133489] ? trace_hardirqs_on+0xbd/0x310 [ 335.137812] ? kasan_check_read+0x11/0x20 [ 335.141968] ? __run_timers+0x7da/0xc70 [ 335.145949] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.151406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.155659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.159897] __run_timers+0x7e5/0xc70 [ 335.163715] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.169078] ? compat_start_thread+0x80/0x80 [ 335.173493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.179037] ? kasan_check_write+0x14/0x20 [ 335.183280] ? finish_task_switch+0x2f5/0x900 [ 335.187777] ? __switch_to_asm+0x40/0x70 [ 335.191849] ? preempt_notifier_register+0x200/0x200 [ 335.196957] ? __switch_to_asm+0x34/0x70 [ 335.201016] ? __switch_to_asm+0x40/0x70 [ 335.205075] ? __switch_to_asm+0x34/0x70 [ 335.209134] ? __switch_to_asm+0x40/0x70 [ 335.213201] ? __switch_to_asm+0x34/0x70 [ 335.217346] ? __switch_to_asm+0x40/0x70 [ 335.221419] ? pvclock_read_flags+0x160/0x160 [ 335.225923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.231466] ? check_preemption_disabled+0x48/0x200 [ 335.236494] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 335.242045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.247330] ? rcu_pm_notify+0xc0/0xc0 [ 335.251225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.256764] ? check_preemption_disabled+0x48/0x200 [ 335.261791] run_timer_softirq+0x52/0xb0 [ 335.265877] ? rcu_read_lock_sched_held+0x108/0x120 [ 335.270900] __do_softirq+0x30b/0xad8 [ 335.274721] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 335.279829] ? trace_hardirqs_off_caller+0x300/0x300 [ 335.284935] ? trace_hardirqs_on+0x310/0x310 [ 335.289352] ? schedule+0x108/0x460 [ 335.292992] ? __schedule+0x1ed0/0x1ed0 [ 335.296976] ? trace_hardirqs_off+0xb8/0x300 [ 335.301386] ? ___might_sleep+0x1ed/0x300 [ 335.305544] ? smpboot_thread_fn+0x68b/0xa00 [ 335.309957] ? trace_hardirqs_on+0x310/0x310 [ 335.314370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.319913] ? check_preemption_disabled+0x48/0x200 [ 335.324931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.330475] ? takeover_tasklets+0xa90/0xa90 [ 335.334890] run_ksoftirqd+0x94/0x100 [ 335.338892] smpboot_thread_fn+0x68b/0xa00 [ 335.343136] ? sort_range+0x30/0x30 [ 335.346766] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.351876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.357416] ? __kthread_parkme+0xfb/0x1a0 [ 335.361657] kthread+0x35a/0x420 [ 335.365029] ? sort_range+0x30/0x30 [ 335.368654] ? kthread_bind+0x40/0x40 [ 335.372465] ret_from_fork+0x3a/0x50 [ 335.376205] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 335.376578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 335.383513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.383518] Call Trace: [ 335.383523] [ 335.383541] dump_stack+0x1c4/0x2b4 [ 335.383560] ? dump_stack_print_info.cold.2+0x52/0x52 [ 335.390114] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.399407] warn_alloc.cold.118+0xb7/0x1bd [ 335.401972] ksoftirqd/1 cpuset= [ 335.404128] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.407728] / [ 335.412919] ? lock_downgrade+0x900/0x900 [ 335.423211] mems_allowed=0 [ 335.427532] ? trace_hardirqs_off+0xb8/0x300 [ 335.448779] ? trace_hardirqs_off+0xb8/0x300 [ 335.453204] __alloc_pages_slowpath+0x2667/0x2d80 [ 335.458095] ? warn_alloc+0x120/0x120 [ 335.461901] ? warn_alloc+0x120/0x120 [ 335.465712] ? print_usage_bug+0xc0/0xc0 [ 335.469779] ? warn_alloc+0x120/0x120 [ 335.473582] ? print_usage_bug+0xc0/0xc0 [ 335.477657] ? __lock_acquire+0x7ec/0x4ec0 [ 335.481894] ? __lock_acquire+0x7ec/0x4ec0 [ 335.486134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.491683] ? should_fail+0x22d/0xd01 [ 335.495577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.500687] ? __lock_acquire+0x7ec/0x4ec0 [ 335.504928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.510033] ? __lock_acquire+0x7ec/0x4ec0 [ 335.514283] ? should_fail+0x22d/0xd01 [ 335.518181] ? mark_held_locks+0x130/0x130 [ 335.522423] ? mark_held_locks+0x130/0x130 [ 335.526664] ? graph_lock+0x170/0x170 [ 335.530468] ? graph_lock+0x170/0x170 [ 335.534275] ? graph_lock+0x170/0x170 [ 335.538076] ? print_usage_bug+0xc0/0xc0 [ 335.542142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.547704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.553246] ? check_preemption_disabled+0x48/0x200 [ 335.558264] ? check_preemption_disabled+0x48/0x200 [ 335.563294] ? __lock_is_held+0xb5/0x140 [ 335.567362] __alloc_pages_nodemask+0xa80/0xde0 [ 335.572032] ? graph_lock+0x170/0x170 [ 335.575839] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 335.580853] ? graph_lock+0x170/0x170 [ 335.584669] ? find_held_lock+0x36/0x1c0 [ 335.588747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.593417] ? lock_downgrade+0x900/0x900 [ 335.597589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.603140] cache_grow_begin+0x91/0x8c0 [ 335.607208] ? do_raw_spin_unlock+0xa7/0x2f0 [ 335.611636] fallback_alloc+0x203/0x2e0 [ 335.615630] ____cache_alloc_node+0x1c7/0x1e0 [ 335.620134] kmem_cache_alloc_node+0xe3/0x730 [ 335.624642] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.628891] __alloc_skb+0x119/0x770 [ 335.632610] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.637899] ? skb_scrub_packet+0x490/0x490 [ 335.642221] ? lock_downgrade+0x900/0x900 [ 335.646385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.651927] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.657387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.662842] ? addrconf_rs_timer+0x6f0/0x6f0 [ 335.667265] ndisc_alloc_skb+0x144/0x340 [ 335.671333] ndisc_send_rs+0x331/0x6e0 [ 335.675230] addrconf_rs_timer+0x3c0/0x6f0 [ 335.679471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.683721] call_timer_fn+0x272/0x920 [ 335.687612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.691858] ? process_timeout+0x40/0x40 [ 335.695917] ? find_held_lock+0x36/0x1c0 [ 335.699990] ? __run_timers+0x7da/0xc70 [ 335.703966] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.708461] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.712961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.717204] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 335.721793] ? trace_hardirqs_on+0xbd/0x310 [ 335.726113] ? kasan_check_read+0x11/0x20 [ 335.730263] ? __run_timers+0x7da/0xc70 [ 335.734243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.739708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.743954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.748193] __run_timers+0x7e5/0xc70 [ 335.752011] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.757380] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 335.762404] ? graph_lock+0x170/0x170 [ 335.766212] ? enqueue_hrtimer+0x1a5/0x560 [ 335.770443] ? lock_release+0x970/0x970 [ 335.774423] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 335.779633] ? find_held_lock+0x36/0x1c0 [ 335.783708] ? graph_lock+0x170/0x170 [ 335.787515] ? pvclock_read_flags+0x160/0x160 [ 335.792019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.797556] ? check_preemption_disabled+0x48/0x200 [ 335.802590] ? __lock_is_held+0xb5/0x140 [ 335.806661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.812207] ? check_preemption_disabled+0x48/0x200 [ 335.817233] run_timer_softirq+0x52/0xb0 [ 335.821299] ? rcu_read_lock_sched_held+0x108/0x120 [ 335.826322] __do_softirq+0x30b/0xad8 [ 335.830136] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 335.835245] ? pvclock_read_flags+0x160/0x160 [ 335.839741] ? lapic_next_event+0x5a/0x90 [ 335.843890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.849426] ? check_preemption_disabled+0x48/0x200 [ 335.854442] ? check_preemption_disabled+0x48/0x200 [ 335.859470] ? kvm_clock_read+0x18/0x30 [ 335.863449] ? kvm_sched_clock_read+0x9/0x20 [ 335.867865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.873400] ? check_preemption_disabled+0x48/0x200 [ 335.878430] irq_exit+0x17f/0x1c0 [ 335.881893] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.886734] ? smp_reschedule_interrupt+0x109/0x650 [ 335.891752] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.897657] ? interrupt_entry+0xb5/0xf0 [ 335.901727] ? trace_hardirqs_off_caller+0xbb/0x300 [ 335.906742] ? trace_hardirqs_off_caller+0xbb/0x300 [ 335.911760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.916606] ? trace_hardirqs_off+0x300/0x300 [ 335.921107] ? trace_hardirqs_off+0x300/0x300 [ 335.925608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.931160] ? check_preemption_disabled+0x48/0x200 [ 335.936177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.941728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.946627] apic_timer_interrupt+0xf/0x20 [ 335.950861] [ 335.953101] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 335.958033] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 335.976961] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 335.984691] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 335.991962] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 335.999232] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 336.006502] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 336.013772] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 336.021091] skb_clone+0x1bb/0x500 [ 336.024644] ? finish_task_switch+0x1b5/0x900 [ 336.029145] ? skb_split+0x11e0/0x11e0 [ 336.033037] ? preempt_notifier_register+0x200/0x200 [ 336.038140] ? __switch_to_asm+0x34/0x70 [ 336.042205] ? __switch_to_asm+0x34/0x70 [ 336.046269] ? __switch_to_asm+0x40/0x70 [ 336.050332] ? __switch_to_asm+0x34/0x70 [ 336.054395] ? __switch_to_asm+0x40/0x70 [ 336.058453] ? __switch_to_asm+0x34/0x70 [ 336.062514] ? __switch_to_asm+0x40/0x70 [ 336.066574] ? __switch_to_asm+0x34/0x70 [ 336.070651] ? __switch_to_asm+0x34/0x70 [ 336.074733] ? __switch_to_asm+0x40/0x70 [ 336.078793] ? __switch_to_asm+0x34/0x70 [ 336.082863] bpf_clone_redirect+0xb9/0x490 [ 336.087104] ? __schedule+0x874/0x1ed0 [ 336.091001] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 336.096027] ? __sched_text_start+0x8/0x8 [ 336.100176] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 336.104952] ? find_held_lock+0x36/0x1c0 [ 336.109021] ? lock_acquire+0x1ed/0x520 [ 336.112998] ? bpf_test_run+0x32e/0x5a0 [ 336.116974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.122513] ? check_preemption_disabled+0x48/0x200 [ 336.127538] ? kasan_check_read+0x11/0x20 [ 336.131702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 336.136985] ? rcu_bh_qs+0xc0/0xc0 [ 336.140530] ? preempt_schedule+0x4d/0x60 [ 336.144684] ? ___preempt_schedule+0x16/0x18 [ 336.149105] ? bpf_test_run+0x1c0/0x5a0 [ 336.153092] ? netlink_diag_dump+0x2a0/0x2a0 [ 336.157504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.163040] ? bpf_test_init.isra.9+0x70/0x100 [ 336.167638] ? bpf_prog_test_run_skb+0x634/0xb40 [ 336.172409] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 336.177260] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.182796] ? fput+0x130/0x1a0 [ 336.186077] ? __bpf_prog_get+0x9b/0x290 [ 336.190141] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 336.194981] ? bpf_prog_test_run+0x130/0x1a0 [ 336.199394] ? __x64_sys_bpf+0x3d8/0x510 [ 336.203459] ? bpf_prog_get+0x20/0x20 [ 336.207269] ? ksys_ioctl+0x81/0xd0 [ 336.210913] ? do_syscall_64+0x1b9/0x820 [ 336.214996] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 336.220377] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.225319] ? trace_hardirqs_off+0x300/0x300 [ 336.229817] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 336.234833] ? recalc_sigpending_tsk+0x180/0x180 [ 336.239587] ? kasan_check_write+0x14/0x20 [ 336.243840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.248702] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.254078] Mem-Info: [ 336.254091] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 336.254102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.256526] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 336.256526] active_file:14 inactive_file:18 isolated_file:1 [ 336.256526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.256526] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 336.256526] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 336.256526] free:13768 free_pcp:583 free_cma:0 [ 336.263337] Call Trace: [ 336.272729] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.305598] dump_stack+0x1c4/0x2b4 [ 336.308160] Node 0 [ 336.335848] ? dump_stack_print_info.cold.2+0x52/0x52 [ 336.339917] 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 [ 336.342157] warn_alloc.cold.118+0xb7/0x1bd [ 336.347305] lowmem_reserve[]: [ 336.372826] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.377122] 0 [ 336.380232] ? lock_downgrade+0x900/0x900 [ 336.385034] 2815 6318 [ 336.386853] ? trace_hardirqs_off+0xb8/0x300 [ 336.390958] 6318 [ 336.393461] ? trace_hardirqs_off+0xb8/0x300 [ 336.397835] Node 0 [ 336.399902] __alloc_pages_slowpath+0x2667/0x2d80 [ 336.404301] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 336.406536] ? warn_alloc+0x120/0x120 [ 336.411317] lowmem_reserve[]: 0 [ 336.438229] ? warn_alloc+0x120/0x120 [ 336.442002] 0 [ 336.445289] ? print_usage_bug+0xc0/0xc0 [ 336.449060] 3503 [ 336.450858] ? warn_alloc+0x120/0x120 [ 336.454892] 3503 [ 336.456953] ? print_usage_bug+0xc0/0xc0 [ 336.460725] Node 0 [ 336.462785] ? __lock_acquire+0x7ec/0x4ec0 [ 336.466843] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 336.469049] ? __lock_acquire+0x7ec/0x4ec0 [ 336.473512] lowmem_reserve[]: 0 [ 336.501993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.506200] 0 [ 336.509476] ? should_fail+0x22d/0xd01 [ 336.514984] 0 [ 336.516792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.520648] 0 [ 336.522449] ? __lock_acquire+0x7ec/0x4ec0 [ 336.529320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.533527] Node 0 [ 336.538627] ? __lock_acquire+0x7ec/0x4ec0 [ 336.538637] DMA: [ 336.540867] ? should_fail+0x22d/0xd01 [ 336.540891] ? mark_held_locks+0x130/0x130 [ 336.545098] 1*4kB [ 336.547158] ? mark_held_locks+0x130/0x130 [ 336.551021] (U) [ 336.555250] ? graph_lock+0x170/0x170 [ 336.557370] 0*8kB 0*16kB [ 336.561607] ? graph_lock+0x170/0x170 [ 336.563567] 1*32kB [ 336.567365] ? graph_lock+0x170/0x170 [ 336.570095] (U) [ 336.573888] ? print_usage_bug+0xc0/0xc0 [ 336.576099] 2*64kB [ 336.579890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.579906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.581862] (U) [ 336.585916] ? check_preemption_disabled+0x48/0x200 [ 336.588132] 1*128kB [ 336.593666] ? check_preemption_disabled+0x48/0x200 [ 336.599177] (U) 1*256kB [ 336.601166] ? __lock_is_held+0xb5/0x140 [ 336.606138] (U) 0*512kB [ 336.608472] __alloc_pages_nodemask+0xa80/0xde0 [ 336.613452] 1*1024kB (U) [ 336.616128] ? graph_lock+0x170/0x170 [ 336.620161] 1*2048kB [ 336.622834] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 336.627466] (M) 3*4096kB [ 336.630226] ? graph_lock+0x170/0x170 [ 336.633998] (M) [ 336.636413] ? find_held_lock+0x36/0x1c0 [ 336.641387] = 15908kB [ 336.641395] Node 0 [ 336.644157] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.647917] DMA32: 4*4kB [ 336.649900] ? lock_downgrade+0x900/0x900 [ 336.653935] (UM) [ 336.656344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.658552] 2*8kB [ 336.663219] cache_grow_begin+0x91/0x8c0 [ 336.665947] (M) [ 336.670090] ? do_raw_spin_unlock+0xa7/0x2f0 [ 336.672122] 1*16kB (M) [ 336.677668] fallback_alloc+0x203/0x2e0 [ 336.679793] 1*32kB [ 336.683852] ____cache_alloc_node+0x1c7/0x1e0 [ 336.685797] (M) [ 336.690205] kmem_cache_alloc_node+0xe3/0x730 [ 336.692764] 3*64kB [ 336.696735] ? ipv6_get_ifaddr+0x42e/0x620 [ 336.698953] (UM) [ 336.703468] __alloc_skb+0x119/0x770 [ 336.705412] 3*128kB [ 336.709908] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 336.712116] (M) [ 336.716350] ? skb_scrub_packet+0x490/0x490 [ 336.718383] 2*256kB [ 336.722093] ? lock_downgrade+0x900/0x900 [ 336.724388] (M) [ 336.729668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.731624] 3*512kB [ 336.735942] ? refcount_sub_and_test_checked+0x203/0x310 [ 336.738240] (M) [ 336.742385] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 336.744333] 4*1024kB [ 336.749865] ? addrconf_rs_timer+0x6f0/0x6f0 [ 336.752159] (UM) [ 336.757628] ndisc_alloc_skb+0x144/0x340 [ 336.759560] 3*2048kB (M) [ 336.765017] ndisc_send_rs+0x331/0x6e0 [ 336.767391] 3*4096kB (M) [ 336.771805] addrconf_rs_timer+0x3c0/0x6f0 [ 336.773837] = 25232kB [ 336.777893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.780630] Node 0 [ 336.784522] call_timer_fn+0x272/0x920 [ 336.787242] Normal: [ 336.791473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.793858] 1065*4kB [ 336.798087] ? process_timeout+0x40/0x40 [ 336.800293] (MEH) [ 336.804170] ? find_held_lock+0x36/0x1c0 [ 336.806490] 487*8kB [ 336.810729] ? __run_timers+0x7da/0xc70 [ 336.813107] (ME) [ 336.817166] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.819292] 153*16kB [ 336.823354] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.825652] (MEH) [ 336.829627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.831665] 77*32kB [ 336.836153] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 336.838535] (UM) [ 336.843030] ? trace_hardirqs_on+0xbd/0x310 [ 336.845151] 0*64kB 1*128kB [ 336.849389] ? kasan_check_read+0x11/0x20 [ 336.851695] (H) [ 336.856275] ? __run_timers+0x7da/0xc70 [ 336.858306] 1*256kB (U) [ 336.862644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.865552] 1*512kB [ 336.869700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.871649] (U) [ 336.875627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 336.878270] 0*1024kB [ 336.883718] __run_timers+0x7e5/0xc70 [ 336.886014] 0*2048kB [ 336.890254] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 336.892199] 0*4096kB [ 336.896427] ? compat_start_thread+0x80/0x80 [ 336.898808] = 13964kB [ 336.898822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 336.902610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.905003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 336.910355] ? kasan_check_write+0x14/0x20 [ 336.912741] 412 total pagecache pages [ 336.917143] ? finish_task_switch+0x2f5/0x900 [ 336.919531] 0 pages in swap cache [ 336.928357] ? __switch_to_asm+0x40/0x70 [ 336.933865] Swap cache stats: add 0, delete 0, find 0/0 [ 336.933874] Free swap = 0kB [ 336.942456] ? preempt_notifier_register+0x200/0x200 [ 336.946665] Total swap = 0kB [ 336.950460] ? __switch_to_asm+0x34/0x70 [ 336.954926] 1965979 pages RAM [ 336.958379] ? __switch_to_asm+0x40/0x70 [ 336.962414] 0 pages HighMem/MovableOnly [ 336.967790] ? __switch_to_asm+0x34/0x70 [ 336.970771] 343323 pages reserved [ 336.970780] 0 pages cma reserved [ 336.975876] ? __switch_to_asm+0x40/0x70 [ 336.978935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 336.982914] ? __switch_to_asm+0x34/0x70 [ 336.982925] ? __switch_to_asm+0x40/0x70 [ 336.982955] ? pvclock_read_flags+0x160/0x160 [ 336.986102] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.990100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.994049] syz-executor0 cpuset= [ 336.998100] ? check_preemption_disabled+0x48/0x200 [ 337.001530] syz0 [ 337.004897] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 337.008931] mems_allowed=0 [ 337.015411] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.015429] ? rcu_pm_notify+0xc0/0xc0 [ 337.071993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.077550] ? check_preemption_disabled+0x48/0x200 [ 337.082577] run_timer_softirq+0x52/0xb0 [ 337.086645] ? rcu_read_lock_sched_held+0x108/0x120 [ 337.091670] __do_softirq+0x30b/0xad8 [ 337.095492] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 337.100595] ? trace_hardirqs_off_caller+0x300/0x300 [ 337.105707] ? trace_hardirqs_on+0x310/0x310 [ 337.110130] ? schedule+0x108/0x460 [ 337.113762] ? __schedule+0x1ed0/0x1ed0 [ 337.117745] ? trace_hardirqs_off+0xb8/0x300 [ 337.122160] ? ___might_sleep+0x1ed/0x300 [ 337.126316] ? smpboot_thread_fn+0x68b/0xa00 [ 337.130728] ? trace_hardirqs_on+0x310/0x310 [ 337.135161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.140706] ? check_preemption_disabled+0x48/0x200 [ 337.145726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.151271] ? takeover_tasklets+0xa90/0xa90 [ 337.155699] run_ksoftirqd+0x94/0x100 [ 337.159503] smpboot_thread_fn+0x68b/0xa00 [ 337.163744] ? sort_range+0x30/0x30 [ 337.167373] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 337.172498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.178036] ? __kthread_parkme+0xfb/0x1a0 [ 337.182281] kthread+0x35a/0x420 [ 337.185653] ? sort_range+0x30/0x30 [ 337.189297] ? kthread_bind+0x40/0x40 [ 337.193107] ret_from_fork+0x3a/0x50 [ 337.196844] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 337.196919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 337.204112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.204117] Call Trace: [ 337.204124] [ 337.204141] dump_stack+0x1c4/0x2b4 [ 337.204158] ? dump_stack_print_info.cold.2+0x52/0x52 [ 337.204186] warn_alloc.cold.118+0xb7/0x1bd [ 337.210729] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.220010] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.222569] ksoftirqd/1 cpuset= [ 337.224717] ? lock_downgrade+0x900/0x900 [ 337.228323] / [ 337.233511] ? trace_hardirqs_off+0xb8/0x300 [ 337.237825] mems_allowed=0 [ 337.248134] ? trace_hardirqs_off+0xb8/0x300 [ 337.273778] __alloc_pages_slowpath+0x2667/0x2d80 [ 337.278670] ? warn_alloc+0x120/0x120 [ 337.282489] ? warn_alloc+0x120/0x120 [ 337.286294] ? print_usage_bug+0xc0/0xc0 [ 337.290355] ? warn_alloc+0x120/0x120 [ 337.294162] ? print_usage_bug+0xc0/0xc0 [ 337.298230] ? __lock_acquire+0x7ec/0x4ec0 [ 337.302467] ? __lock_acquire+0x7ec/0x4ec0 [ 337.306711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.312251] ? should_fail+0x22d/0xd01 [ 337.316147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.321253] ? __lock_acquire+0x7ec/0x4ec0 [ 337.325533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.330641] ? __lock_acquire+0x7ec/0x4ec0 [ 337.334881] ? should_fail+0x22d/0xd01 [ 337.339219] ? mark_held_locks+0x130/0x130 [ 337.343463] ? mark_held_locks+0x130/0x130 [ 337.347704] ? graph_lock+0x170/0x170 [ 337.351508] ? graph_lock+0x170/0x170 [ 337.355310] ? graph_lock+0x170/0x170 [ 337.359109] ? print_usage_bug+0xc0/0xc0 [ 337.363174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.368716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.374257] ? check_preemption_disabled+0x48/0x200 [ 337.379271] ? check_preemption_disabled+0x48/0x200 [ 337.384303] ? __lock_is_held+0xb5/0x140 [ 337.388372] __alloc_pages_nodemask+0xa80/0xde0 [ 337.393047] ? graph_lock+0x170/0x170 [ 337.396853] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 337.401868] ? graph_lock+0x170/0x170 [ 337.405691] ? find_held_lock+0x36/0x1c0 [ 337.409763] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.414438] ? lock_downgrade+0x900/0x900 [ 337.418596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.424153] cache_grow_begin+0x91/0x8c0 [ 337.428223] ? do_raw_spin_unlock+0xa7/0x2f0 [ 337.433298] fallback_alloc+0x203/0x2e0 [ 337.437287] ____cache_alloc_node+0x1c7/0x1e0 [ 337.441795] kmem_cache_alloc_node+0xe3/0x730 [ 337.446294] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.450538] __alloc_skb+0x119/0x770 [ 337.454255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.459538] ? skb_scrub_packet+0x490/0x490 [ 337.463865] ? lock_downgrade+0x900/0x900 [ 337.468050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.473600] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.479076] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.484544] ? addrconf_rs_timer+0x6f0/0x6f0 [ 337.488977] ndisc_alloc_skb+0x144/0x340 [ 337.493055] ndisc_send_rs+0x331/0x6e0 [ 337.496961] addrconf_rs_timer+0x3c0/0x6f0 [ 337.501213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.505466] call_timer_fn+0x272/0x920 [ 337.509358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.513604] ? process_timeout+0x40/0x40 [ 337.517678] ? find_held_lock+0x36/0x1c0 [ 337.521755] ? __run_timers+0x7da/0xc70 [ 337.525734] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.530233] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.534731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.538971] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 337.543560] ? trace_hardirqs_on+0xbd/0x310 [ 337.547884] ? kasan_check_read+0x11/0x20 [ 337.552038] ? __run_timers+0x7da/0xc70 [ 337.556018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.561482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.565724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.569965] __run_timers+0x7e5/0xc70 [ 337.573783] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 337.579155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 337.584174] ? graph_lock+0x170/0x170 [ 337.587982] ? enqueue_hrtimer+0x1a5/0x560 [ 337.592220] ? lock_release+0x970/0x970 [ 337.596198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 337.601399] ? find_held_lock+0x36/0x1c0 [ 337.605464] ? graph_lock+0x170/0x170 [ 337.609270] ? pvclock_read_flags+0x160/0x160 [ 337.613769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.619306] ? check_preemption_disabled+0x48/0x200 [ 337.624336] ? __lock_is_held+0xb5/0x140 [ 337.628405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.633943] ? check_preemption_disabled+0x48/0x200 [ 337.638974] run_timer_softirq+0x52/0xb0 [ 337.643038] ? rcu_read_lock_sched_held+0x108/0x120 [ 337.648063] __do_softirq+0x30b/0xad8 [ 337.651882] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 337.656995] ? pvclock_read_flags+0x160/0x160 [ 337.661493] ? lapic_next_event+0x5a/0x90 [ 337.665649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.671197] ? check_preemption_disabled+0x48/0x200 [ 337.676211] ? check_preemption_disabled+0x48/0x200 [ 337.681238] ? kvm_clock_read+0x18/0x30 [ 337.685217] ? kvm_sched_clock_read+0x9/0x20 [ 337.689641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.695187] ? check_preemption_disabled+0x48/0x200 [ 337.700218] irq_exit+0x17f/0x1c0 [ 337.703684] smp_apic_timer_interrupt+0x1cb/0x760 [ 337.708529] ? smp_reschedule_interrupt+0x109/0x650 [ 337.713550] ? smp_call_function_single_interrupt+0x650/0x650 [ 337.719447] ? interrupt_entry+0xb5/0xf0 [ 337.723518] ? trace_hardirqs_off_caller+0xbb/0x300 [ 337.728539] ? trace_hardirqs_off_caller+0xbb/0x300 [ 337.733558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.738404] ? trace_hardirqs_off+0x300/0x300 [ 337.742898] ? trace_hardirqs_off+0x300/0x300 [ 337.747399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.752940] ? check_preemption_disabled+0x48/0x200 [ 337.757960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.763524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.768384] apic_timer_interrupt+0xf/0x20 [ 337.772614] [ 337.774864] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 337.779797] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 337.798712] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 337.806450] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.813728] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 337.820997] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 337.828265] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 337.835535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 337.842855] skb_clone+0x1bb/0x500 [ 337.846401] ? finish_task_switch+0x1b5/0x900 [ 337.850901] ? skb_split+0x11e0/0x11e0 [ 337.854800] ? preempt_notifier_register+0x200/0x200 [ 337.859906] ? __switch_to_asm+0x34/0x70 [ 337.863974] ? __switch_to_asm+0x34/0x70 [ 337.868040] ? __switch_to_asm+0x40/0x70 [ 337.872098] ? __switch_to_asm+0x34/0x70 [ 337.876162] ? __switch_to_asm+0x40/0x70 [ 337.880228] ? __switch_to_asm+0x34/0x70 [ 337.884290] ? __switch_to_asm+0x40/0x70 [ 337.888349] ? __switch_to_asm+0x34/0x70 [ 337.892415] ? __switch_to_asm+0x34/0x70 [ 337.896473] ? __switch_to_asm+0x40/0x70 [ 337.900537] ? __switch_to_asm+0x34/0x70 [ 337.904614] bpf_clone_redirect+0xb9/0x490 [ 337.908866] ? __schedule+0x874/0x1ed0 [ 337.912764] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 337.917794] ? __sched_text_start+0x8/0x8 [ 337.921946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.926722] ? find_held_lock+0x36/0x1c0 [ 337.930795] ? lock_acquire+0x1ed/0x520 [ 337.934772] ? bpf_test_run+0x32e/0x5a0 [ 337.938752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.944293] ? check_preemption_disabled+0x48/0x200 [ 337.949316] ? kasan_check_read+0x11/0x20 [ 337.953471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.958762] ? rcu_bh_qs+0xc0/0xc0 [ 337.962312] ? preempt_schedule+0x4d/0x60 [ 337.966466] ? ___preempt_schedule+0x16/0x18 [ 337.970889] ? bpf_test_run+0x1c0/0x5a0 [ 337.974874] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.979288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.984827] ? bpf_test_init.isra.9+0x70/0x100 [ 337.989415] ? bpf_prog_test_run_skb+0x634/0xb40 [ 337.994183] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 337.999032] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.004573] ? fput+0x130/0x1a0 [ 338.007868] ? __bpf_prog_get+0x9b/0x290 [ 338.011932] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 338.016779] ? bpf_prog_test_run+0x130/0x1a0 [ 338.021193] ? __x64_sys_bpf+0x3d8/0x510 [ 338.025255] ? bpf_prog_get+0x20/0x20 [ 338.029069] ? ksys_ioctl+0x81/0xd0 [ 338.032712] ? do_syscall_64+0x1b9/0x820 [ 338.036775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 338.042144] ? syscall_return_slowpath+0x5e0/0x5e0 [ 338.047081] ? trace_hardirqs_off+0x300/0x300 [ 338.051584] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 338.056610] ? recalc_sigpending_tsk+0x180/0x180 [ 338.061377] ? kasan_check_write+0x14/0x20 [ 338.065631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.070491] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.075875] warn_alloc_show_mem: 1 callbacks suppressed [ 338.075887] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 338.075889] Mem-Info: [ 338.075921] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 338.075921] active_file:14 inactive_file:18 isolated_file:1 [ 338.075921] unevictable:0 dirty:0 writeback:0 unstable:0 [ 338.075921] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 338.075921] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 338.075921] free:13768 free_pcp:583 free_cma:0 [ 338.081265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.088105] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 338.090505] Call Trace: [ 338.123382] Node 0 [ 338.132749] dump_stack+0x1c4/0x2b4 [ 338.160425] 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 [ 338.162989] ? dump_stack_print_info.cold.2+0x52/0x52 [ 338.165189] lowmem_reserve[]: [ 338.168821] warn_alloc.cold.118+0xb7/0x1bd [ 338.194296] 0 2815 [ 338.199507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.202578] 6318 [ 338.206893] ? lock_downgrade+0x900/0x900 [ 338.209096] 6318 [ 338.213947] ? trace_hardirqs_off+0xb8/0x300 [ 338.215979] Node 0 [ 338.220121] ? trace_hardirqs_off+0xb8/0x300 [ 338.222183] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 338.226569] __alloc_pages_slowpath+0x2667/0x2d80 [ 338.228785] lowmem_reserve[]: [ 338.233217] ? warn_alloc+0x120/0x120 [ 338.260054] 0 [ 338.264904] ? warn_alloc+0x120/0x120 [ 338.267977] 0 [ 338.271772] ? print_usage_bug+0xc0/0xc0 [ 338.273547] 3503 [ 338.277342] ? warn_alloc+0x120/0x120 [ 338.279122] 3503 [ 338.283179] ? print_usage_bug+0xc0/0xc0 [ 338.289002] ? __lock_acquire+0x7ec/0x4ec0 [ 338.291043] Node 0 [ 338.295095] ? __lock_acquire+0x7ec/0x4ec0 [ 338.299330] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 338.301535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.305733] lowmem_reserve[]: 0 [ 338.334200] ? should_fail+0x22d/0xd01 [ 338.340151] 0 [ 338.343429] ? __lock_acquire+0x7ec/0x4ec0 [ 338.347287] 0 [ 338.349088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.353289] 0 [ 338.355090] ? __lock_acquire+0x7ec/0x4ec0 [ 338.360166] Node 0 [ 338.361970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.366184] DMA: [ 338.368417] ? __lock_acquire+0x7ec/0x4ec0 [ 338.373493] 1*4kB [ 338.375548] ? should_fail+0x22d/0xd01 [ 338.379766] (U) [ 338.381919] ? mark_held_locks+0x130/0x130 [ 338.385778] 0*8kB [ 338.387746] ? mark_held_locks+0x130/0x130 [ 338.391954] 0*16kB [ 338.394099] ? graph_lock+0x170/0x170 [ 338.398393] 1*32kB [ 338.400629] ? print_usage_bug+0xc0/0xc0 [ 338.404407] (U) [ 338.406647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.410682] 2*64kB [ 338.412660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.418167] (U) [ 338.420405] ? check_preemption_disabled+0x48/0x200 [ 338.425917] 1*128kB [ 338.427889] ? check_preemption_disabled+0x48/0x200 [ 338.432880] (U) [ 338.435210] ? __lock_is_held+0xb5/0x140 [ 338.440192] 1*256kB [ 338.442171] __alloc_pages_nodemask+0xa80/0xde0 [ 338.446200] (U) [ 338.448517] ? graph_lock+0x170/0x170 [ 338.453160] 0*512kB [ 338.455135] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 338.458909] 1*1024kB [ 338.461222] ? graph_lock+0x170/0x170 [ 338.466210] (U) [ 338.468629] ? find_held_lock+0x36/0x1c0 [ 338.472671] 1*2048kB [ 338.474659] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.478691] (M) [ 338.481096] ? lock_downgrade+0x900/0x900 [ 338.485733] 3*4096kB (M) [ 338.487719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.491837] = 15908kB [ 338.494593] cache_grow_begin+0x91/0x8c0 [ 338.500101] Node 0 [ 338.502509] ? do_raw_spin_unlock+0xa7/0x2f0 [ 338.506544] DMA32: [ 338.508779] fallback_alloc+0x203/0x2e0 [ 338.513159] 4*4kB [ 338.515396] ____cache_alloc_node+0x1c7/0x1e0 [ 338.519341] (UM) [ 338.521485] kmem_cache_alloc_node+0xe3/0x730 [ 338.525961] 2*8kB (M) [ 338.528030] ? ipv6_get_ifaddr+0x42e/0x620 [ 338.532490] 1*16kB (M) [ 338.534996] __alloc_skb+0x119/0x770 [ 338.539218] 1*32kB [ 338.541798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.545480] (M) [ 338.547713] ? skb_scrub_packet+0x490/0x490 [ 338.552959] 3*64kB (UM) [ 338.554938] ? lock_downgrade+0x900/0x900 [ 338.559259] 3*128kB (M) [ 338.561936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.566071] 2*256kB [ 338.568736] ? refcount_sub_and_test_checked+0x203/0x310 [ 338.574247] (M) [ 338.576571] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 338.581993] 3*512kB (M) [ 338.583974] ? addrconf_rs_timer+0x6f0/0x6f0 [ 338.589390] 4*1024kB (UM) [ 338.592072] ndisc_alloc_skb+0x144/0x340 [ 338.596447] 3*2048kB [ 338.599285] ndisc_send_rs+0x331/0x6e0 [ 338.603309] (M) 3*4096kB [ 338.605727] addrconf_rs_timer+0x3c0/0x6f0 [ 338.609583] (M) [ 338.612334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.616550] = 25232kB [ 338.616559] Node 0 [ 338.618541] call_timer_fn+0x272/0x920 [ 338.622741] Normal: [ 338.625152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.627375] 1065*4kB [ 338.631254] ? process_timeout+0x40/0x40 [ 338.633549] (MEH) [ 338.637776] ? find_held_lock+0x36/0x1c0 [ 338.640159] 487*8kB [ 338.644220] ? __run_timers+0x7da/0xc70 [ 338.646339] (ME) [ 338.650396] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.652712] 153*16kB [ 338.656680] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.658727] (MEH) [ 338.663215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.665597] 77*32kB [ 338.670090] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 338.672211] (UM) [ 338.676438] ? trace_hardirqs_on+0xbd/0x310 [ 338.678748] 0*64kB [ 338.683320] ? kasan_check_read+0x11/0x20 [ 338.685362] 1*128kB [ 338.689681] ? __run_timers+0x7da/0xc70 [ 338.691897] (H) [ 338.696037] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.698330] 1*256kB (U) [ 338.702317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.704259] 1*512kB [ 338.709700] __run_timers+0x7e5/0xc70 [ 338.712342] (U) [ 338.716580] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 338.718869] 0*1024kB [ 338.722662] ? compat_start_thread+0x80/0x80 [ 338.724615] 0*2048kB [ 338.729977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.732362] 0*4096kB [ 338.736761] ? kasan_check_write+0x14/0x20 [ 338.739146] = 13964kB [ 338.744680] ? finish_task_switch+0x2f5/0x900 [ 338.747075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 338.751295] ? __switch_to_asm+0x40/0x70 [ 338.753686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 338.758166] ? preempt_notifier_register+0x200/0x200 [ 338.766978] 412 total pagecache pages [ 338.771031] ? __switch_to_asm+0x34/0x70 [ 338.779586] 0 pages in swap cache [ 338.784676] ? __switch_to_asm+0x40/0x70 [ 338.788638] Swap cache stats: add 0, delete 0, find 0/0 [ 338.792695] ? __switch_to_asm+0x34/0x70 [ 338.796125] Free swap = 0kB [ 338.800181] ? __switch_to_asm+0x40/0x70 [ 338.805513] Total swap = 0kB [ 338.805521] 1965979 pages RAM [ 338.809574] ? __switch_to_asm+0x34/0x70 [ 338.812572] 0 pages HighMem/MovableOnly [ 338.816634] ? __switch_to_asm+0x40/0x70 [ 338.819636] 343323 pages reserved [ 338.822743] ? pvclock_read_flags+0x160/0x160 [ 338.826772] 0 pages cma reserved [ 338.830739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.834839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.838216] ? check_preemption_disabled+0x48/0x200 [ 338.842802] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.846056] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 338.851563] syz-executor0 cpuset= [ 338.858051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.863036] syz0 [ 338.873512] ? rcu_pm_notify+0xc0/0xc0 [ 338.879029] mems_allowed=0 [ 338.882476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.902051] ? check_preemption_disabled+0x48/0x200 [ 338.907079] run_timer_softirq+0x52/0xb0 [ 338.911140] ? rcu_read_lock_sched_held+0x108/0x120 [ 338.916160] __do_softirq+0x30b/0xad8 [ 338.919980] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 338.925084] ? trace_hardirqs_off_caller+0x300/0x300 [ 338.930192] ? trace_hardirqs_on+0x310/0x310 [ 338.934608] ? schedule+0x108/0x460 [ 338.938252] ? __schedule+0x1ed0/0x1ed0 [ 338.942236] ? trace_hardirqs_off+0xb8/0x300 [ 338.946653] ? ___might_sleep+0x1ed/0x300 [ 338.950805] ? smpboot_thread_fn+0x68b/0xa00 [ 338.955221] ? trace_hardirqs_on+0x310/0x310 [ 338.959644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.965189] ? check_preemption_disabled+0x48/0x200 [ 338.970206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.975751] ? takeover_tasklets+0xa90/0xa90 [ 338.980166] run_ksoftirqd+0x94/0x100 [ 338.983975] smpboot_thread_fn+0x68b/0xa00 [ 338.988213] ? sort_range+0x30/0x30 [ 338.991856] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.996962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.002507] ? __kthread_parkme+0xfb/0x1a0 [ 339.006747] kthread+0x35a/0x420 [ 339.010113] ? sort_range+0x30/0x30 [ 339.013742] ? kthread_bind+0x40/0x40 [ 339.017551] ret_from_fork+0x3a/0x50 [ 339.021286] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 339.021370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 339.028556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.028561] Call Trace: [ 339.028567] [ 339.028584] dump_stack+0x1c4/0x2b4 [ 339.028598] ? dump_stack_print_info.cold.2+0x52/0x52 [ 339.028636] warn_alloc.cold.118+0xb7/0x1bd [ 339.035211] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.044455] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.047015] ksoftirqd/1 cpuset= [ 339.049188] ? lock_downgrade+0x900/0x900 [ 339.052792] / [ 339.057978] ? trace_hardirqs_off+0xb8/0x300 [ 339.062274] mems_allowed=0 [ 339.072580] ? trace_hardirqs_off+0xb8/0x300 [ 339.098216] __alloc_pages_slowpath+0x2667/0x2d80 [ 339.103094] ? warn_alloc+0x120/0x120 [ 339.106897] ? trace_hardirqs_on+0x310/0x310 [ 339.111307] ? warn_alloc+0x120/0x120 [ 339.115111] ? print_usage_bug+0xc0/0xc0 [ 339.119173] ? warn_alloc+0x120/0x120 [ 339.122978] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 339.127997] ? print_usage_bug+0xc0/0xc0 [ 339.132059] ? __lock_acquire+0x7ec/0x4ec0 [ 339.136292] ? __lock_acquire+0x7ec/0x4ec0 [ 339.140534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.146073] ? should_fail+0x22d/0xd01 [ 339.149965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.155067] ? __lock_acquire+0x7ec/0x4ec0 [ 339.159306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.164409] ? __lock_acquire+0x7ec/0x4ec0 [ 339.168647] ? should_fail+0x22d/0xd01 [ 339.172534] ? print_usage_bug+0xc0/0xc0 [ 339.176604] ? mark_held_locks+0x130/0x130 [ 339.180847] ? mark_held_locks+0x130/0x130 [ 339.185090] ? graph_lock+0x170/0x170 [ 339.188895] ? print_usage_bug+0xc0/0xc0 [ 339.192957] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.197718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.203255] ? check_preemption_disabled+0x48/0x200 [ 339.208271] ? check_preemption_disabled+0x48/0x200 [ 339.213304] ? __lock_is_held+0xb5/0x140 [ 339.217371] __alloc_pages_nodemask+0xa80/0xde0 [ 339.222044] ? graph_lock+0x170/0x170 [ 339.225849] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 339.230862] ? graph_lock+0x170/0x170 [ 339.234673] ? find_held_lock+0x36/0x1c0 [ 339.238756] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.243428] ? lock_downgrade+0x900/0x900 [ 339.247584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.253129] cache_grow_begin+0x91/0x8c0 [ 339.257190] ? do_raw_spin_unlock+0xa7/0x2f0 [ 339.261610] fallback_alloc+0x203/0x2e0 [ 339.265600] ____cache_alloc_node+0x1c7/0x1e0 [ 339.270112] kmem_cache_alloc_node+0xe3/0x730 [ 339.274608] ? ipv6_get_ifaddr+0x42e/0x620 [ 339.278861] __alloc_skb+0x119/0x770 [ 339.282581] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.287862] ? skb_scrub_packet+0x490/0x490 [ 339.292183] ? lock_downgrade+0x900/0x900 [ 339.296344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.301887] ? refcount_sub_and_test_checked+0x203/0x310 [ 339.307344] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 339.312798] ? addrconf_rs_timer+0x6f0/0x6f0 [ 339.317219] ndisc_alloc_skb+0x144/0x340 [ 339.321286] ndisc_send_rs+0x331/0x6e0 [ 339.325187] addrconf_rs_timer+0x3c0/0x6f0 [ 339.329432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.333707] call_timer_fn+0x272/0x920 [ 339.337602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.342250] ? process_timeout+0x40/0x40 [ 339.346312] ? find_held_lock+0x36/0x1c0 [ 339.350382] ? __run_timers+0x7da/0xc70 [ 339.354359] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.358854] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.363348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.367582] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 339.372165] ? trace_hardirqs_on+0xbd/0x310 [ 339.376495] ? kasan_check_read+0x11/0x20 [ 339.380659] ? __run_timers+0x7da/0xc70 [ 339.384648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.390114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.394358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.398593] __run_timers+0x7e5/0xc70 [ 339.402417] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 339.407794] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 339.412812] ? graph_lock+0x170/0x170 [ 339.416614] ? enqueue_hrtimer+0x1a5/0x560 [ 339.420857] ? lock_release+0x970/0x970 [ 339.424837] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 339.430034] ? find_held_lock+0x36/0x1c0 [ 339.434102] ? graph_lock+0x170/0x170 [ 339.437909] ? pvclock_read_flags+0x160/0x160 [ 339.442420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.447962] ? check_preemption_disabled+0x48/0x200 [ 339.452990] ? __lock_is_held+0xb5/0x140 [ 339.457057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.462593] ? check_preemption_disabled+0x48/0x200 [ 339.467633] run_timer_softirq+0x52/0xb0 [ 339.471703] ? rcu_read_lock_sched_held+0x108/0x120 [ 339.476724] __do_softirq+0x30b/0xad8 [ 339.480540] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 339.485654] ? pvclock_read_flags+0x160/0x160 [ 339.490156] ? lapic_next_event+0x5a/0x90 [ 339.494311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.499850] ? check_preemption_disabled+0x48/0x200 [ 339.504863] ? check_preemption_disabled+0x48/0x200 [ 339.509886] ? kvm_clock_read+0x18/0x30 [ 339.513862] ? kvm_sched_clock_read+0x9/0x20 [ 339.518279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.523821] ? check_preemption_disabled+0x48/0x200 [ 339.528849] irq_exit+0x17f/0x1c0 [ 339.532309] smp_apic_timer_interrupt+0x1cb/0x760 [ 339.537150] ? smp_reschedule_interrupt+0x109/0x650 [ 339.542169] ? smp_call_function_single_interrupt+0x650/0x650 [ 339.548052] ? interrupt_entry+0xb5/0xf0 [ 339.552120] ? trace_hardirqs_off_caller+0xbb/0x300 [ 339.557137] ? trace_hardirqs_off_caller+0xbb/0x300 [ 339.562153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.566994] ? trace_hardirqs_off+0x300/0x300 [ 339.571486] ? trace_hardirqs_off+0x300/0x300 [ 339.575985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.581522] ? check_preemption_disabled+0x48/0x200 [ 339.586536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.592082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.596942] apic_timer_interrupt+0xf/0x20 [ 339.601175] [ 339.603418] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 339.608353] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 339.627254] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 339.634968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 339.642236] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 339.649509] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 339.656778] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 339.664067] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 339.671386] skb_clone+0x1bb/0x500 [ 339.674931] ? finish_task_switch+0x1b5/0x900 [ 339.679430] ? skb_split+0x11e0/0x11e0 [ 339.683327] ? preempt_notifier_register+0x200/0x200 [ 339.688433] ? __switch_to_asm+0x34/0x70 [ 339.692493] ? __switch_to_asm+0x34/0x70 [ 339.696552] ? __switch_to_asm+0x40/0x70 [ 339.700614] ? __switch_to_asm+0x34/0x70 [ 339.704691] ? __switch_to_asm+0x40/0x70 [ 339.708751] ? __switch_to_asm+0x34/0x70 [ 339.712808] ? __switch_to_asm+0x40/0x70 [ 339.716865] ? __switch_to_asm+0x34/0x70 [ 339.720929] ? __switch_to_asm+0x34/0x70 [ 339.724988] ? __switch_to_asm+0x40/0x70 [ 339.729079] ? __switch_to_asm+0x34/0x70 [ 339.733176] bpf_clone_redirect+0xb9/0x490 [ 339.737422] ? __schedule+0x874/0x1ed0 [ 339.741315] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 339.746336] ? __sched_text_start+0x8/0x8 [ 339.750489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.755261] ? find_held_lock+0x36/0x1c0 [ 339.759332] ? lock_acquire+0x1ed/0x520 [ 339.763308] ? bpf_test_run+0x32e/0x5a0 [ 339.767284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.772825] ? check_preemption_disabled+0x48/0x200 [ 339.777845] ? kasan_check_read+0x11/0x20 [ 339.781998] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.787275] ? rcu_bh_qs+0xc0/0xc0 [ 339.790818] ? preempt_schedule+0x4d/0x60 [ 339.794967] ? ___preempt_schedule+0x16/0x18 [ 339.799383] ? bpf_test_run+0x1c0/0x5a0 [ 339.803372] ? netlink_diag_dump+0x2a0/0x2a0 [ 339.807786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.813323] ? bpf_test_init.isra.9+0x70/0x100 [ 339.817915] ? bpf_prog_test_run_skb+0x634/0xb40 [ 339.822682] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 339.827527] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.833061] ? fput+0x130/0x1a0 [ 339.836341] ? __bpf_prog_get+0x9b/0x290 [ 339.840410] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 339.845264] ? bpf_prog_test_run+0x130/0x1a0 [ 339.849684] ? __x64_sys_bpf+0x3d8/0x510 [ 339.853745] ? bpf_prog_get+0x20/0x20 [ 339.857559] ? ksys_ioctl+0x81/0xd0 [ 339.861202] ? do_syscall_64+0x1b9/0x820 [ 339.865264] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 339.870655] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.875595] ? trace_hardirqs_off+0x300/0x300 [ 339.880118] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 339.885135] ? recalc_sigpending_tsk+0x180/0x180 [ 339.889891] ? kasan_check_write+0x14/0x20 [ 339.894136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.898989] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.904367] warn_alloc_show_mem: 1 callbacks suppressed [ 339.904379] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 339.904381] Mem-Info: [ 339.904412] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 339.904412] active_file:14 inactive_file:18 isolated_file:1 [ 339.904412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.904412] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 339.904412] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 339.904412] free:13768 free_pcp:583 free_cma:0 [ 339.909748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.909757] Call Trace: [ 339.916602] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.919007] dump_stack+0x1c4/0x2b4 [ 339.951874] Node 0 [ 339.961241] ? dump_stack_print_info.cold.2+0x52/0x52 [ 339.963823] 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 [ 339.991487] warn_alloc.cold.118+0xb7/0x1bd [ 339.995082] lowmem_reserve[]: [ 339.997320] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.002471] 0 2815 [ 340.027994] ? lock_downgrade+0x900/0x900 [ 340.032307] 6318 [ 340.035418] ? trace_hardirqs_off+0xb8/0x300 [ 340.040218] 6318 [ 340.042463] ? trace_hardirqs_off+0xb8/0x300 [ 340.046583] Node 0 [ 340.048656] __alloc_pages_slowpath+0x2667/0x2d80 [ 340.053058] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 340.055124] ? warn_alloc+0x120/0x120 [ 340.059505] lowmem_reserve[]: 0 [ 340.061748] ? warn_alloc+0x120/0x120 [ 340.066554] 0 3503 [ 340.093468] ? print_usage_bug+0xc0/0xc0 [ 340.097242] 3503 [ 340.100519] ? warn_alloc+0x120/0x120 [ 340.106531] ? print_usage_bug+0xc0/0xc0 [ 340.110564] Node 0 [ 340.112654] ? __lock_acquire+0x7ec/0x4ec0 [ 340.116452] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 340.120485] ? __lock_acquire+0x7ec/0x4ec0 [ 340.122699] lowmem_reserve[]: [ 340.126958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.155395] 0 [ 340.159642] ? should_fail+0x22d/0xd01 [ 340.162710] 0 0 [ 340.168256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.170020] 0 [ 340.173908] ? __lock_acquire+0x7ec/0x4ec0 [ 340.175861] Node 0 [ 340.180964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.182739] DMA: [ 340.186966] ? __lock_acquire+0x7ec/0x4ec0 [ 340.189176] 1*4kB [ 340.194281] ? should_fail+0x22d/0xd01 [ 340.196317] (U) [ 340.200545] ? print_usage_bug+0xc0/0xc0 [ 340.202669] 0*8kB [ 340.206556] ? mark_held_locks+0x130/0x130 [ 340.208504] 0*16kB [ 340.212558] ? mark_held_locks+0x130/0x130 [ 340.214690] 1*32kB [ 340.218921] ? graph_lock+0x170/0x170 [ 340.221146] (U) [ 340.225376] ? print_usage_bug+0xc0/0xc0 [ 340.227589] 2*64kB [ 340.231383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 340.233342] (U) [ 340.237397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.239607] 1*128kB [ 340.244359] ? check_preemption_disabled+0x48/0x200 [ 340.246313] (U) [ 340.251845] ? check_preemption_disabled+0x48/0x200 [ 340.254144] 1*256kB [ 340.259198] ? __lock_is_held+0xb5/0x140 [ 340.261140] (U) [ 340.266156] __alloc_pages_nodemask+0xa80/0xde0 [ 340.268450] 0*512kB [ 340.272508] ? graph_lock+0x170/0x170 [ 340.274461] 1*1024kB [ 340.279136] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 340.281433] (U) [ 340.285225] ? graph_lock+0x170/0x170 [ 340.287611] 1*2048kB [ 340.292642] ? find_held_lock+0x36/0x1c0 [ 340.294584] (M) [ 340.298388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.300762] 3*4096kB (M) [ 340.304825] ? lock_downgrade+0x900/0x900 [ 340.306775] = 15908kB [ 340.311444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.314175] Node 0 [ 340.318328] cache_grow_begin+0x91/0x8c0 [ 340.320710] DMA32: [ 340.326239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 340.328450] 4*4kB [ 340.332508] fallback_alloc+0x203/0x2e0 [ 340.334713] (UM) [ 340.339117] ____cache_alloc_node+0x1c7/0x1e0 [ 340.341231] 2*8kB (M) [ 340.345218] kmem_cache_alloc_node+0xe3/0x730 [ 340.347273] 1*16kB [ 340.351765] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.354233] (M) [ 340.358745] __alloc_skb+0x119/0x770 [ 340.360950] 1*32kB [ 340.365187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 340.367123] (M) 3*64kB [ 340.370843] ? skb_scrub_packet+0x490/0x490 [ 340.373054] (UM) [ 340.378324] ? lock_downgrade+0x900/0x900 [ 340.380882] 3*128kB [ 340.385205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.387241] (M) [ 340.391386] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.393684] 2*256kB [ 340.399216] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.401162] (M) 3*512kB [ 340.406628] ? addrconf_rs_timer+0x6f0/0x6f0 [ 340.408923] (M) [ 340.414376] ndisc_alloc_skb+0x144/0x340 [ 340.417012] 4*1024kB (UM) [ 340.421430] ndisc_send_rs+0x331/0x6e0 [ 340.423377] 3*2048kB (M) [ 340.427448] addrconf_rs_timer+0x3c0/0x6f0 [ 340.430263] 3*4096kB [ 340.434148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.436878] (M) [ 340.441115] call_timer_fn+0x272/0x920 [ 340.443491] = 25232kB [ 340.447717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.449667] Node 0 [ 340.453552] ? process_timeout+0x40/0x40 [ 340.455928] Normal: 1065*4kB [ 340.460169] ? find_held_lock+0x36/0x1c0 [ 340.462381] (MEH) [ 340.466442] ? __run_timers+0x7da/0xc70 [ 340.469518] 487*8kB [ 340.474069] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.476196] (ME) [ 340.480163] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.482470] 153*16kB [ 340.486962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.488997] (MEH) [ 340.493488] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 340.495870] 77*32kB (UM) [ 340.500107] ? trace_hardirqs_on+0xbd/0x310 [ 340.502231] 0*64kB [ 340.506805] ? kasan_check_read+0x11/0x20 [ 340.509542] 1*128kB [ 340.513857] ? __run_timers+0x7da/0xc70 [ 340.516067] (H) [ 340.520220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.522520] 1*256kB [ 340.526489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.528435] (U) [ 340.533880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.536175] 1*512kB [ 340.540409] __run_timers+0x7e5/0xc70 [ 340.542358] (U) [ 340.546597] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 340.548888] 0*1024kB [ 340.552682] ? compat_start_thread+0x80/0x80 [ 340.554641] 0*2048kB [ 340.560002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.562380] 0*4096kB = 13964kB [ 340.566794] ? kasan_check_write+0x14/0x20 [ 340.569184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.574715] ? finish_task_switch+0x2f5/0x900 [ 340.577886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.582112] ? __switch_to_asm+0x40/0x70 [ 340.590923] 412 total pagecache pages [ 340.595418] ? preempt_notifier_register+0x200/0x200 [ 340.603964] 0 pages in swap cache [ 340.608014] ? __switch_to_asm+0x34/0x70 [ 340.611785] Swap cache stats: add 0, delete 0, find 0/0 [ 340.611793] Free swap = 0kB [ 340.616889] ? __switch_to_asm+0x40/0x70 [ 340.620310] Total swap = 0kB [ 340.620318] 1965979 pages RAM [ 340.624373] ? __switch_to_asm+0x34/0x70 [ 340.629709] 0 pages HighMem/MovableOnly [ 340.629718] 343323 pages reserved [ 340.632734] ? __switch_to_asm+0x40/0x70 [ 340.636770] 0 pages cma reserved [ 340.639782] ? __switch_to_asm+0x34/0x70 [ 340.642935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.646910] ? __switch_to_asm+0x40/0x70 [ 340.646936] ? pvclock_read_flags+0x160/0x160 [ 340.650940] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.654350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.658384] syz-executor0 cpuset= [ 340.661743] ? check_preemption_disabled+0x48/0x200 [ 340.665780] syz0 [ 340.672274] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 340.676305] mems_allowed=0 [ 340.680790] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 340.680807] ? rcu_pm_notify+0xc0/0xc0 [ 340.724798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.730359] ? check_preemption_disabled+0x48/0x200 [ 340.735392] run_timer_softirq+0x52/0xb0 [ 340.739489] ? rcu_read_lock_sched_held+0x108/0x120 [ 340.744508] __do_softirq+0x30b/0xad8 [ 340.748322] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 340.753427] ? trace_hardirqs_off_caller+0x300/0x300 [ 340.758529] ? trace_hardirqs_on+0x310/0x310 [ 340.762948] ? schedule+0x108/0x460 [ 340.766578] ? __schedule+0x1ed0/0x1ed0 [ 340.770559] ? trace_hardirqs_off+0xb8/0x300 [ 340.774971] ? ___might_sleep+0x1ed/0x300 [ 340.779117] ? smpboot_thread_fn+0x68b/0xa00 [ 340.783560] ? trace_hardirqs_on+0x310/0x310 [ 340.787992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.793535] ? check_preemption_disabled+0x48/0x200 [ 340.798553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.804101] ? takeover_tasklets+0xa90/0xa90 [ 340.808518] run_ksoftirqd+0x94/0x100 [ 340.812320] smpboot_thread_fn+0x68b/0xa00 [ 340.816563] ? sort_range+0x30/0x30 [ 340.820199] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 340.825306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.830850] ? __kthread_parkme+0xfb/0x1a0 [ 340.835091] kthread+0x35a/0x420 [ 340.838459] ? sort_range+0x30/0x30 [ 340.842087] ? kthread_bind+0x40/0x40 [ 340.845893] ret_from_fork+0x3a/0x50 [ 340.849634] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 340.849715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.856907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.856912] Call Trace: [ 340.856919] [ 340.856936] dump_stack+0x1c4/0x2b4 [ 340.856951] ? dump_stack_print_info.cold.2+0x52/0x52 [ 340.856979] warn_alloc.cold.118+0xb7/0x1bd [ 340.863561] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.872811] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.875371] ksoftirqd/1 cpuset= [ 340.877516] ? lock_downgrade+0x900/0x900 [ 340.881119] / [ 340.886307] ? trace_hardirqs_off+0xb8/0x300 [ 340.890603] mems_allowed=0 [ 340.900917] ? trace_hardirqs_off+0xb8/0x300 [ 340.926544] __alloc_pages_slowpath+0x2667/0x2d80 [ 340.931422] ? warn_alloc+0x120/0x120 [ 340.935233] ? warn_alloc+0x120/0x120 [ 340.939041] ? print_usage_bug+0xc0/0xc0 [ 340.943108] ? warn_alloc+0x120/0x120 [ 340.946910] ? print_usage_bug+0xc0/0xc0 [ 340.950980] ? __lock_acquire+0x7ec/0x4ec0 [ 340.955218] ? __lock_acquire+0x7ec/0x4ec0 [ 340.959454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.964993] ? should_fail+0x22d/0xd01 [ 340.968887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.973993] ? __lock_acquire+0x7ec/0x4ec0 [ 340.978231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.983351] ? __lock_acquire+0x7ec/0x4ec0 [ 340.987587] ? should_fail+0x22d/0xd01 [ 340.991494] ? mark_held_locks+0x130/0x130 [ 340.995736] ? mark_held_locks+0x130/0x130 [ 340.999976] ? graph_lock+0x170/0x170 [ 341.003775] ? graph_lock+0x170/0x170 [ 341.007584] ? graph_lock+0x170/0x170 [ 341.011407] ? print_usage_bug+0xc0/0xc0 [ 341.015518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.021062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.026607] ? check_preemption_disabled+0x48/0x200 [ 341.031639] ? check_preemption_disabled+0x48/0x200 [ 341.036672] ? __lock_is_held+0xb5/0x140 [ 341.040750] __alloc_pages_nodemask+0xa80/0xde0 [ 341.045421] ? graph_lock+0x170/0x170 [ 341.049229] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 341.054247] ? graph_lock+0x170/0x170 [ 341.058062] ? find_held_lock+0x36/0x1c0 [ 341.062133] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.066806] ? lock_downgrade+0x900/0x900 [ 341.070964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.076513] cache_grow_begin+0x91/0x8c0 [ 341.080577] ? do_raw_spin_unlock+0xa7/0x2f0 [ 341.084996] fallback_alloc+0x203/0x2e0 [ 341.088985] ____cache_alloc_node+0x1c7/0x1e0 [ 341.093490] kmem_cache_alloc_node+0xe3/0x730 [ 341.097996] ? ipv6_get_ifaddr+0x42e/0x620 [ 341.102244] __alloc_skb+0x119/0x770 [ 341.105964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.111251] ? skb_scrub_packet+0x490/0x490 [ 341.115593] ? lock_downgrade+0x900/0x900 [ 341.119760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.125305] ? refcount_sub_and_test_checked+0x203/0x310 [ 341.130771] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 341.136232] ? addrconf_rs_timer+0x6f0/0x6f0 [ 341.140668] ndisc_alloc_skb+0x144/0x340 [ 341.144744] ndisc_send_rs+0x331/0x6e0 [ 341.148648] addrconf_rs_timer+0x3c0/0x6f0 [ 341.152896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.157146] call_timer_fn+0x272/0x920 [ 341.161035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.165277] ? process_timeout+0x40/0x40 [ 341.169353] ? find_held_lock+0x36/0x1c0 [ 341.173425] ? __run_timers+0x7da/0xc70 [ 341.177409] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.181910] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.186406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.190648] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 341.195241] ? trace_hardirqs_on+0xbd/0x310 [ 341.199559] ? kasan_check_read+0x11/0x20 [ 341.203716] ? __run_timers+0x7da/0xc70 [ 341.207698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.213163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.217410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.221659] __run_timers+0x7e5/0xc70 [ 341.225487] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 341.230853] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 341.235873] ? graph_lock+0x170/0x170 [ 341.239686] ? enqueue_hrtimer+0x1a5/0x560 [ 341.243923] ? lock_release+0x970/0x970 [ 341.247896] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 341.253093] ? find_held_lock+0x36/0x1c0 [ 341.257158] ? graph_lock+0x170/0x170 [ 341.260963] ? pvclock_read_flags+0x160/0x160 [ 341.265467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.271005] ? check_preemption_disabled+0x48/0x200 [ 341.276053] ? __lock_is_held+0xb5/0x140 [ 341.280118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.285669] ? check_preemption_disabled+0x48/0x200 [ 341.290716] run_timer_softirq+0x52/0xb0 [ 341.294781] ? rcu_read_lock_sched_held+0x108/0x120 [ 341.299804] __do_softirq+0x30b/0xad8 [ 341.303629] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 341.308741] ? pvclock_read_flags+0x160/0x160 [ 341.313235] ? lapic_next_event+0x5a/0x90 [ 341.317384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.322925] ? check_preemption_disabled+0x48/0x200 [ 341.327941] ? check_preemption_disabled+0x48/0x200 [ 341.332971] ? kvm_clock_read+0x18/0x30 [ 341.336949] ? kvm_sched_clock_read+0x9/0x20 [ 341.341812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.347363] ? check_preemption_disabled+0x48/0x200 [ 341.352392] irq_exit+0x17f/0x1c0 [ 341.355854] smp_apic_timer_interrupt+0x1cb/0x760 [ 341.360700] ? smp_reschedule_interrupt+0x109/0x650 [ 341.365718] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.371603] ? interrupt_entry+0xb5/0xf0 [ 341.375675] ? trace_hardirqs_off_caller+0xbb/0x300 [ 341.380705] ? trace_hardirqs_off_caller+0xbb/0x300 [ 341.385725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.390571] ? trace_hardirqs_off+0x300/0x300 [ 341.395069] ? trace_hardirqs_off+0x300/0x300 [ 341.399572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.405115] ? check_preemption_disabled+0x48/0x200 [ 341.410136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.415693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.420549] apic_timer_interrupt+0xf/0x20 [ 341.424780] [ 341.427020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 341.432638] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 341.451560] RSP: 0000:ffff88019b8df748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 341.459276] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 341.466543] RDX: 0000000000000000 RSI: ffff8801be17ae40 RDI: 0000000000000282 [ 341.473810] RBP: ffff88019b8df7b0 R08: ffff8801be17a5c0 R09: 0000000000000000 [ 341.481078] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 341.488352] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 341.495693] skb_clone+0x1bb/0x500 [ 341.499241] ? finish_task_switch+0x1b5/0x900 [ 341.503738] ? skb_split+0x11e0/0x11e0 [ 341.507644] ? preempt_notifier_register+0x200/0x200 [ 341.512762] ? __switch_to_asm+0x34/0x70 [ 341.516833] ? __switch_to_asm+0x34/0x70 [ 341.520896] ? __switch_to_asm+0x40/0x70 [ 341.524954] ? __switch_to_asm+0x34/0x70 [ 341.529017] ? __switch_to_asm+0x40/0x70 [ 341.533079] ? __switch_to_asm+0x34/0x70 [ 341.537137] ? __switch_to_asm+0x40/0x70 [ 341.541192] ? __switch_to_asm+0x34/0x70 [ 341.545255] ? __switch_to_asm+0x34/0x70 [ 341.549327] ? __switch_to_asm+0x40/0x70 [ 341.553393] ? __switch_to_asm+0x34/0x70 [ 341.557466] bpf_clone_redirect+0xb9/0x490 [ 341.561711] ? __schedule+0x874/0x1ed0 [ 341.565606] bpf_prog_bebbfe2050753572+0x56e/0x1000 [ 341.570646] ? __sched_text_start+0x8/0x8 [ 341.574800] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 341.579576] ? find_held_lock+0x36/0x1c0 [ 341.583657] ? lock_acquire+0x1ed/0x520 [ 341.587650] ? bpf_test_run+0x32e/0x5a0 [ 341.591643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.597186] ? check_preemption_disabled+0x48/0x200 [ 341.602209] ? kasan_check_read+0x11/0x20 [ 341.606361] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.611649] ? rcu_bh_qs+0xc0/0xc0 [ 341.615203] ? preempt_schedule+0x4d/0x60 [ 341.619354] ? ___preempt_schedule+0x16/0x18 [ 341.623770] ? bpf_test_run+0x1c0/0x5a0 [ 341.627758] ? netlink_diag_dump+0x2a0/0x2a0 [ 341.632171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.637723] ? bpf_test_init.isra.9+0x70/0x100 [ 341.642314] ? bpf_prog_test_run_skb+0x634/0xb40 [ 341.647076] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 341.651919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 341.657461] ? fput+0x130/0x1a0 [ 341.660743] ? __bpf_prog_get+0x9b/0x290 [ 341.664816] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 341.669661] ? bpf_prog_test_run+0x130/0x1a0 [ 341.674077] ? __x64_sys_bpf+0x3d8/0x510 [ 341.678142] ? bpf_prog_get+0x20/0x20 [ 341.681959] ? ksys_ioctl+0x81/0xd0 [ 341.685602] ? do_syscall_64+0x1b9/0x820 [ 341.689673] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 341.695049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 341.699982] ? trace_hardirqs_off+0x300/0x300 [ 341.704483] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 341.709499] ? recalc_sigpending_tsk+0x180/0x180 [ 341.714253] ? kasan_check_write+0x14/0x20 [ 341.718516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.723373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.728757] warn_alloc_show_mem: 1 callbacks suppressed [ 341.728768] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc2+ #93 [ 341.728770] Mem-Info: [ 341.728802] active_anon:49480 inactive_anon:371 isolated_anon:0 [ 341.728802] active_file:14 inactive_file:18 isolated_file:1 [ 341.728802] unevictable:0 dirty:0 writeback:0 unstable:0 [ 341.728802] slab_reclaimable:8755 slab_unreclaimable:1464205 [ 341.728802] mapped:41155 shmem:379 pagetables:660 bounce:0 [ 341.728802] free:13768 free_pcp:583 free_cma:0 [ 341.734142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.740984] Node 0 active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 341.743384] Call Trace: [ 341.776261] Node 0 [ 341.785636] dump_stack+0x1c4/0x2b4 [ 341.813316] 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 [ 341.815881] ? dump_stack_print_info.cold.2+0x52/0x52 [ 341.818086] lowmem_reserve[]: [ 341.821724] warn_alloc.cold.118+0xb7/0x1bd [ 341.847193] 0 2815 [ 341.852407] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.855477] 6318 [ 341.859795] ? lock_downgrade+0x900/0x900 [ 341.862006] 6318 [ 341.866854] ? trace_hardirqs_off+0xb8/0x300 [ 341.868891] Node 0 [ 341.873039] ? trace_hardirqs_off+0xb8/0x300 [ 341.875098] DMA32 free:25232kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 341.879482] __alloc_pages_slowpath+0x2667/0x2d80 [ 341.881686] lowmem_reserve[]: 0 [ 341.886122] ? warn_alloc+0x120/0x120 [ 341.912971] 0 [ 341.917825] ? warn_alloc+0x120/0x120 [ 341.921062] 3503 3503 [ 341.924873] ? print_usage_bug+0xc0/0xc0 [ 341.930454] ? warn_alloc+0x120/0x120 [ 341.932924] Node 0 [ 341.936978] ? print_usage_bug+0xc0/0xc0 [ 341.940782] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:197920kB inactive_anon:1484kB active_file:56kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5568kB pagetables:2640kB bounce:0kB free_pcp:2084kB local_pcp:636kB free_cma:0kB [ 341.942992] ? __lock_acquire+0x7ec/0x4ec0 [ 341.947034] lowmem_reserve[]: [ 341.975499] ? __lock_acquire+0x7ec/0x4ec0 [ 341.979714] 0 [ 341.982817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.987014] 0 0 [ 341.988822] ? should_fail+0x22d/0xd01 [ 341.994326] 0 [ 341.996309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.000171] Node 0 [ 342.001973] ? __lock_acquire+0x7ec/0x4ec0 [ 342.007045] DMA: [ 342.009292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.013502] 1*4kB [ 342.015580] ? __lock_acquire+0x7ec/0x4ec0 [ 342.020653] (U) [ 342.022806] ? should_fail+0x22d/0xd01 [ 342.027015] 0*8kB [ 342.028979] ? print_usage_bug+0xc0/0xc0 [ 342.029004] ? mark_held_locks+0x130/0x130 [ 342.032862] 0*16kB [ 342.035018] ? mark_held_locks+0x130/0x130 [ 342.039051] 1*32kB [ 342.043288] ? graph_lock+0x170/0x170 [ 342.045493] (U) [ 342.049723] ? print_usage_bug+0xc0/0xc0 [ 342.051930] 2*64kB (U) [ 342.055732] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 342.057686] 1*128kB [ 342.061749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.064321] (U) [ 342.069070] ? check_preemption_disabled+0x48/0x200 [ 342.071371] 1*256kB [ 342.076913] ? check_preemption_disabled+0x48/0x200 [ 342.078867] (U) [ 342.083886] ? __lock_is_held+0xb5/0x140 [ 342.086176] 0*512kB [ 342.091199] __alloc_pages_nodemask+0xa80/0xde0 [ 342.093134] 1*1024kB (U) [ 342.097201] ? graph_lock+0x170/0x170 [ 342.099503] 1*2048kB [ 342.104167] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 342.106900] (M) [ 342.110692] ? graph_lock+0x170/0x170 [ 342.110717] ? find_held_lock+0x36/0x1c0 [ 342.113097] 3*4096kB [ 342.118112] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.120055] (M) [ 342.123851] ? lock_downgrade+0x900/0x900 [ 342.127922] = 15908kB [ 342.130345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.134986] Node 0 [ 342.136966] cache_grow_begin+0x91/0x8c0 [ 342.141083] DMA32: [ 342.143494] ? do_raw_spin_unlock+0xa7/0x2f0 [ 342.149008] 4*4kB [ 342.151248] fallback_alloc+0x203/0x2e0 [ 342.155276] (UM) [ 342.157517] ____cache_alloc_node+0x1c7/0x1e0 [ 342.161973] 2*8kB [ 342.164123] kmem_cache_alloc_node+0xe3/0x730 [ 342.168057] (M) 1*16kB [ 342.170127] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.174596] (M) [ 342.176757] __alloc_skb+0x119/0x770 [ 342.181219] 1*32kB [ 342.183805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.188009] (M) [ 342.190005] ? skb_scrub_packet+0x490/0x490 [ 342.193687] 3*64kB [ 342.195923] ? lock_downgrade+0x900/0x900 [ 342.201168] (UM) 3*128kB [ 342.203171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.207451] (M) 2*256kB [ 342.209714] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.213835] (M) [ 342.216593] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.222101] 3*512kB [ 342.224769] ? addrconf_rs_timer+0x6f0/0x6f0 [ 342.230184] (M) 4*1024kB [ 342.232175] ndisc_alloc_skb+0x144/0x340 [ 342.237590] (UM) [ 342.239924] ndisc_send_rs+0x331/0x6e0 [ 342.244293] 3*2048kB (M) [ 342.247058] addrconf_rs_timer+0x3c0/0x6f0 [ 342.251096] 3*4096kB [ 342.253207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.257067] (M) [ 342.259831] call_timer_fn+0x272/0x920 [ 342.264028] = 25232kB [ 342.266429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.270657] Node 0 [ 342.272637] ? process_timeout+0x40/0x40 [ 342.276494] Normal: [ 342.278908] ? find_held_lock+0x36/0x1c0 [ 342.283118] 1065*4kB [ 342.285360] ? __run_timers+0x7da/0xc70 [ 342.289383] (MEH) [ 342.291705] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.295740] 487*8kB [ 342.298149] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.302094] (ME) 153*16kB [ 342.304267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.308731] (MEH) 77*32kB [ 342.311090] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 342.315564] (UM) [ 342.318409] ? trace_hardirqs_on+0xbd/0x310 [ 342.322612] 0*64kB 1*128kB [ 342.325463] ? kasan_check_read+0x11/0x20 [ 342.330013] (H) 1*256kB [ 342.332079] ? __run_timers+0x7da/0xc70 [ 342.336371] (U) [ 342.339304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.343420] 1*512kB (U) [ 342.346119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.350067] 0*1024kB [ 342.352036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.357462] 0*2048kB [ 342.360129] __run_timers+0x7e5/0xc70 [ 342.364333] 0*4096kB = 13964kB [ 342.366762] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 342.370963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.373361] ? compat_start_thread+0x80/0x80 [ 342.377141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.380581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.385921] 412 total pagecache pages [ 342.394772] ? kasan_check_write+0x14/0x20 [ 342.399161] 0 pages in swap cache [ 342.407736] ? finish_task_switch+0x2f5/0x900 [ 342.413249] Swap cache stats: add 0, delete 0, find 0/0 [ 342.417037] ? __switch_to_asm+0x40/0x70 [ 342.421244] Free swap = 0kB [ 342.424706] ? preempt_notifier_register+0x200/0x200 [ 342.429177] Total swap = 0kB [ 342.429191] 1965979 pages RAM [ 342.434551] ? __switch_to_asm+0x34/0x70 [ 342.438579] 0 pages HighMem/MovableOnly [ 342.438587] 343323 pages reserved [ 342.441598] ? __switch_to_asm+0x40/0x70 [ 342.446670] 0 pages cma reserved [ 342.446752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.449686] ? __switch_to_asm+0x34/0x70 [ 342.449702] ? __switch_to_asm+0x40/0x70 [ 342.452896] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.456858] ? __switch_to_asm+0x34/0x70 [ 342.460809] syz-executor0 cpuset= [ 342.464254] ? __switch_to_asm+0x40/0x70 [ 342.468288] syz0 [ 342.472169] ? pvclock_read_flags+0x160/0x160 [ 342.478641] mems_allowed=0 [ 342.482699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.523683] ? check_preemption_disabled+0x48/0x200 [ 342.528725] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 342.534269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.539567] ? rcu_pm_notify+0xc0/0xc0 [ 342.543462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.549001] ? check_preemption_disabled+0x48/0x200 [ 342.554029] run_timer_softirq+0x52/0xb0 [ 342.558091] ? rcu_read_lock_sched_held+0x108/0x120 [ 342.563110] __do_softirq+0x30b/0xad8 [ 342.566926] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 342.572030] ? trace_hardirqs_off_caller+0x300/0x300 [ 342.577135] ? trace_hardirqs_on+0x310/0x310 [ 342.581554] ? schedule+0x108/0x460 [ 342.585193] ? __schedule+0x1ed0/0x1ed0 [ 342.589185] ? trace_hardirqs_off+0xb8/0x300 [ 342.593599] ? ___might_sleep+0x1ed/0x300 [ 342.597754] ? smpboot_thread_fn+0x68b/0xa00 [ 342.602165] ? trace_hardirqs_on+0x310/0x310 [ 342.606587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.612132] ? check_preemption_disabled+0x48/0x200 [ 342.617151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.622698] ? takeover_tasklets+0xa90/0xa90 [ 342.627116] run_ksoftirqd+0x94/0x100 [ 342.630920] smpboot_thread_fn+0x68b/0xa00 [ 342.635162] ? sort_range+0x30/0x30 [ 342.638797] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.643902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.649442] ? __kthread_parkme+0xfb/0x1a0 [ 342.653683] kthread+0x35a/0x420 [ 342.657053] ? sort_range+0x30/0x30 [ 342.660679] ? kthread_bind+0x40/0x40 [ 342.664486] ret_from_fork+0x3a/0x50 [ 342.668224] CPU: 0 PID: 10109 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #93 [ 342.668302] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.675494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.675500] Call Trace: [ 342.675507] [ 342.675523] dump_stack+0x1c4/0x2b4 [ 342.675540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 342.682077] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.691385] warn_alloc.cold.118+0xb7/0x1bd [ 342.693939] ksoftirqd/1 cpuset= [ 342.696081] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.699688] / [ 342.704888] ? lock_downgrade+0x900/0x900 [ 342.715175] mems_allowed=0 [ 342.719505] ? trace_hardirqs_off+0xb8/0x300 [ 342.740745] ? trace_hardirqs_off+0xb8/0x300 [ 342.745169] __alloc_pages_slowpath+0x2667/0x2d80 [ 342.750045] ? warn_alloc+0x120/0x120 [ 342.753880] ? trace_hardirqs_on+0x310/0x310 [ 342.758290] ? warn_alloc+0x120/0x120 [ 342.762092] ? print_usage_bug+0xc0/0xc0 [ 342.766172] ? warn_alloc+0x120/0x120 [ 342.769974] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 342.774989] ? print_usage_bug+0xc0/0xc0 [ 342.779054] ? __lock_acquire+0x7ec/0x4ec0 [ 342.783294] ? __lock_acquire+0x7ec/0x4ec0 [ 342.787540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.793082] ? should_fail+0x22d/0xd01 [ 342.796976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.802081] ? __lock_acquire+0x7ec/0x4ec0 [ 342.806321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.811426] ? __lock_acquire+0x7ec/0x4ec0 [ 342.815664] ? should_fail+0x22d/0xd01 [ 342.819559] ? print_usage_bug+0xc0/0xc0 [ 342.823637] ? mark_held_locks+0x130/0x130 [ 342.827878] ? mark_held_locks+0x130/0x130 [ 342.832119] ? graph_lock+0x170/0x170 [ 342.835924] ? print_usage_bug+0xc0/0xc0 [ 342.839985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 342.844743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.850282] ? check_preemption_disabled+0x48/0x200 [ 342.855295] ? check_preemption_disabled+0x48/0x200 [ 342.860321] ? __lock_is_held+0xb5/0x140 [ 342.864389] __alloc_pages_nodemask+0xa80/0xde0 [ 342.869057] ? graph_lock+0x170/0x170 [ 342.872862] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 342.877876] ? graph_lock+0x170/0x170 [ 342.881697] ? find_held_lock+0x36/0x1c0 [ 342.885799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.890473] ? lock_downgrade+0x900/0x900 [ 342.894640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.900190] cache_grow_begin+0x91/0x8c0 [ 342.904252] ? do_raw_spin_unlock+0xa7/0x2f0 [ 342.908672] fallback_alloc+0x203/0x2e0 [ 342.912669] ____cache_alloc_node+0x1c7/0x1e0 [ 342.917177] kmem_cache_alloc_node+0xe3/0x730 [ 342.921683] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.925929] __alloc_skb+0x119/0x770 [ 342.929653] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.934952] ? skb_scrub_packet+0x490/0x490 [ 342.939281] ? lock_downgrade+0x900/0x900 [ 342.943445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.948985] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.954442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.959898] ? addrconf_rs_timer+0x6f0/0x6f0