44.412198] run_timer_softirq+0x52/0xb0 [ 344.416297] ? rcu_read_lock_sched_held+0x108/0x120 [ 344.421445] __do_softirq+0x30b/0xad8 [ 344.425334] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 344.430489] ? trace_hardirqs_off_caller+0x300/0x300 [ 344.435659] ? retint_kernel+0x1b/0x2d [ 344.439597] ? schedule+0x108/0x460 [ 344.443264] ? __schedule+0x1ed0/0x1ed0 [ 344.447286] ? trace_hardirqs_off+0xb8/0x300 [ 344.451733] ? ___might_sleep+0x1ed/0x300 [ 344.455918] ? smpboot_thread_fn+0x68b/0xa00 [ 344.460377] ? trace_hardirqs_on+0x310/0x310 [ 344.464825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.470406] ? check_preemption_disabled+0x48/0x200 [ 344.475467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.481046] ? takeover_tasklets+0xa90/0xa90 [ 344.485501] run_ksoftirqd+0x94/0x100 [ 344.489356] smpboot_thread_fn+0x68b/0xa00 [ 344.493642] ? sort_range+0x30/0x30 [ 344.497301] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.502437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.508034] ? __kthread_parkme+0xfb/0x1a0 [ 344.512311] kthread+0x35a/0x420 [ 344.515715] ? sort_range+0x30/0x30 [ 344.519364] ? kthread_bind+0x40/0x40 [ 344.523203] ret_from_fork+0x3a/0x50 [ 344.526956] warn_alloc_show_mem: 1 callbacks suppressed [ 344.526970] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 344.526972] Mem-Info: [ 344.527005] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 344.527005] active_file:18 inactive_file:31 isolated_file:0 [ 344.527005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 344.527005] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 344.527005] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 344.527005] free:13670 free_pcp:352 free_cma:0 [ 344.532432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.539778] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 344.542229] Call Trace: [ 344.575300] Node 0 [ 344.584689] [ 344.612674] 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 [ 344.615254] dump_stack+0x1c4/0x2b4 [ 344.617471] lowmem_reserve[]: 0 [ 344.619652] ? dump_stack_print_info.cold.2+0x52/0x52 [ 344.645207] 2815 [ 344.648881] warn_alloc.cold.118+0xb7/0x1bd [ 344.652137] 6318 6318 [ 344.657378] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.663774] ? lock_downgrade+0x900/0x900 [ 344.666262] Node 0 [ 344.671147] ? trace_hardirqs_off+0xb8/0x300 [ 344.675316] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 344.677559] ? trace_hardirqs_off+0xb8/0x300 [ 344.681946] lowmem_reserve[]: 0 [ 344.708758] __alloc_pages_slowpath+0x2667/0x2d80 [ 344.713188] 0 3503 [ 344.716535] ? warn_alloc+0x120/0x120 [ 344.721337] 3503 [ 344.723611] ? trace_hardirqs_on+0x310/0x310 [ 344.727407] Node 0 [ 344.729485] ? warn_alloc+0x120/0x120 [ 344.729504] ? print_usage_bug+0xc0/0xc0 [ 344.733943] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 344.736174] ? warn_alloc+0x120/0x120 [ 344.739965] lowmem_reserve[]: [ 344.744053] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 344.772716] 0 0 [ 344.776587] ? print_usage_bug+0xc0/0xc0 [ 344.779685] 0 [ 344.784737] ? __lock_acquire+0x7ec/0x4ec0 [ 344.786698] 0 [ 344.790786] ? __lock_acquire+0x7ec/0x4ec0 [ 344.796826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.798619] Node 0 [ 344.802917] ? should_fail+0x22d/0xd01 [ 344.808448] DMA: 1*4kB [ 344.810729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.814603] (U) [ 344.817207] ? __lock_acquire+0x7ec/0x4ec0 [ 344.822310] 0*8kB [ 344.824319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.828530] 0*16kB [ 344.830700] ? __lock_acquire+0x7ec/0x4ec0 [ 344.835787] 1*32kB (U) [ 344.838055] ? should_fail+0x22d/0xd01 [ 344.842295] 2*64kB [ 344.844897] ? print_usage_bug+0xc0/0xc0 [ 344.848763] (U) 1*128kB [ 344.851035] ? mark_held_locks+0x130/0x130 [ 344.855066] (U) 1*256kB [ 344.857774] ? mark_held_locks+0x130/0x130 [ 344.862035] (U) [ 344.864729] ? graph_lock+0x170/0x170 [ 344.868950] 0*512kB [ 344.870946] ? print_usage_bug+0xc0/0xc0 [ 344.874730] 1*1024kB (U) [ 344.877095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.881141] 1*2048kB [ 344.883922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.888671] (M) [ 344.891094] ? check_preemption_disabled+0x48/0x200 [ 344.896676] 3*4096kB (M) [ 344.898690] ? check_preemption_disabled+0x48/0x200 [ 344.903696] = 15908kB [ 344.903708] Node 0 [ 344.906499] ? __lock_is_held+0xb5/0x140 [ 344.911508] DMA32: [ 344.913944] __alloc_pages_nodemask+0xa80/0xde0 [ 344.916151] 4*4kB [ 344.920235] ? graph_lock+0x170/0x170 [ 344.922466] (UM) [ 344.927152] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 344.929284] 1*8kB (M) [ 344.933134] ? graph_lock+0x170/0x170 [ 344.935178] 3*16kB [ 344.940311] ? find_held_lock+0x36/0x1c0 [ 344.942799] (M) [ 344.946638] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.948857] 3*32kB (M) [ 344.953219] ? lock_downgrade+0x900/0x900 [ 344.955183] 1*64kB [ 344.959872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.962445] (M) [ 344.966617] cache_grow_begin+0x91/0x8c0 [ 344.968841] 3*128kB [ 344.974413] ? do_raw_spin_unlock+0xa7/0x2f0 [ 344.976371] (UM) [ 344.980466] fallback_alloc+0x203/0x2e0 [ 344.982776] 3*256kB (UM) [ 344.987221] ____cache_alloc_node+0x1c7/0x1e0 [ 344.989268] 4*512kB [ 344.993266] kmem_cache_alloc_node+0xe3/0x730 [ 344.996017] (UM) [ 345.000549] ? ipv6_get_ifaddr+0x42e/0x620 [ 345.002865] 3*1024kB [ 345.007448] __alloc_skb+0x119/0x770 [ 345.009500] (M) [ 345.013805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.016204] 3*2048kB [ 345.019945] ? skb_scrub_packet+0x490/0x490 [ 345.021905] (M) [ 345.027213] ? lock_downgrade+0x900/0x900 [ 345.029603] 3*4096kB (M) [ 345.033965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.035932] = 24936kB [ 345.040108] ? refcount_sub_and_test_checked+0x203/0x310 [ 345.042859] Node 0 [ 345.048436] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 345.050834] Normal: [ 345.056964] ? addrconf_rs_timer+0x6f0/0x6f0 [ 345.059194] 1267*4kB [ 345.064679] ndisc_alloc_skb+0x144/0x340 [ 345.066994] (UMEH) [ 345.071455] ndisc_send_rs+0x331/0x6e0 [ 345.073855] 430*8kB [ 345.077948] addrconf_rs_timer+0x3c0/0x6f0 [ 345.080197] (UMEH) [ 345.084148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.086440] 212*16kB (UMEH) [ 345.090742] call_timer_fn+0x272/0x920 [ 345.092948] 35*32kB (MH) [ 345.097225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.100230] 9*64kB (MH) [ 345.104169] ? process_timeout+0x40/0x40 [ 345.106909] 1*128kB (H) [ 345.111200] ? find_held_lock+0x36/0x1c0 [ 345.113863] 1*256kB [ 345.118015] ? __run_timers+0x7da/0xc70 [ 345.120688] (H) [ 345.124799] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.127092] 0*512kB 0*1024kB [ 345.131132] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.133079] 0*2048kB [ 345.137604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.137635] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 345.140747] 0*4096kB [ 345.145284] ? trace_hardirqs_on+0xbd/0x310 [ 345.147681] = 13980kB [ 345.151940] ? kasan_check_read+0x11/0x20 [ 345.156529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 345.160028] ? __run_timers+0x7da/0xc70 [ 345.164332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 345.164340] 4516 total pagecache pages [ 345.166760] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.170888] 0 pages in swap cache [ 345.179874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.183853] Swap cache stats: add 0, delete 0, find 0/0 [ 345.192476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.196343] Free swap = 0kB [ 345.196353] Total swap = 0kB [ 345.201819] __run_timers+0x7e5/0xc70 [ 345.205334] 1965979 pages RAM [ 345.209584] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 345.215022] 0 pages HighMem/MovableOnly [ 345.215033] 343324 pages reserved [ 345.219282] ? check_preemption_disabled+0x48/0x200 [ 345.222285] 0 pages cma reserved [ 345.225309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.229174] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.232220] ? rcu_irq_exit+0xce/0x100 [ 345.238032] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.241965] ? irq_exit+0xbd/0x1c0 [ 345.245429] ksoftirqd/0 cpuset= [ 345.250486] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 345.253836] / [ 345.259401] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.265998] mems_allowed=0 [ 345.301555] ? retint_kernel+0x2d/0x2d [ 345.305475] ? trace_hardirqs_on_caller+0xc0/0x300 [ 345.310441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.315235] ? trace_hardirqs_off_caller+0x300/0x300 [ 345.320377] ? graph_lock+0x170/0x170 [ 345.324224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.329804] ? check_preemption_disabled+0x48/0x200 [ 345.334874] ? __lock_is_held+0xb5/0x140 [ 345.338973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.344596] ? check_preemption_disabled+0x48/0x200 [ 345.349700] run_timer_softirq+0x52/0xb0 [ 345.353797] ? rcu_read_lock_sched_held+0x108/0x120 [ 345.358859] __do_softirq+0x30b/0xad8 [ 345.362704] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 345.367852] ? pvclock_read_flags+0x160/0x160 [ 345.372383] ? lapic_next_event+0x5a/0x90 [ 345.376564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.382150] ? check_preemption_disabled+0x48/0x200 [ 345.387208] ? check_preemption_disabled+0x48/0x200 [ 345.392279] ? kvm_clock_read+0x18/0x30 [ 345.396288] ? kvm_sched_clock_read+0x9/0x20 [ 345.400775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.406359] ? check_preemption_disabled+0x48/0x200 [ 345.411434] irq_exit+0x17f/0x1c0 [ 345.414928] smp_apic_timer_interrupt+0x1cb/0x760 [ 345.419814] ? smp_reschedule_interrupt+0x109/0x650 [ 345.424874] ? smp_call_function_single_interrupt+0x650/0x650 [ 345.430814] ? interrupt_entry+0xb5/0xf0 [ 345.434919] ? trace_hardirqs_off_caller+0xbb/0x300 [ 345.440007] ? trace_hardirqs_off_caller+0xbb/0x300 [ 345.445062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.449950] ? trace_hardirqs_off+0x300/0x300 [ 345.454488] ? trace_hardirqs_off+0x300/0x300 [ 345.459033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.464612] ? check_preemption_disabled+0x48/0x200 [ 345.469680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.475278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.480200] apic_timer_interrupt+0xf/0x20 [ 345.484471] [ 345.486735] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 345.491701] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 345.510633] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 345.519865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 345.527175] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 345.534497] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 345.541804] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 345.549123] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 345.556503] skb_clone+0x1bb/0x500 [ 345.560083] ? skb_split+0x11e0/0x11e0 [ 345.564023] ? preempt_notifier_register+0x200/0x200 [ 345.569185] ? __switch_to_asm+0x34/0x70 [ 345.573284] ? __switch_to_asm+0x34/0x70 [ 345.577388] ? __switch_to_asm+0x40/0x70 [ 345.581502] ? __switch_to_asm+0x34/0x70 [ 345.585602] ? __switch_to_asm+0x40/0x70 [ 345.589712] ? __switch_to_asm+0x40/0x70 [ 345.593812] ? __switch_to_asm+0x34/0x70 [ 345.597918] ? __switch_to_asm+0x34/0x70 [ 345.602046] ? __switch_to_asm+0x40/0x70 [ 345.606154] ? __switch_to_asm+0x34/0x70 [ 345.610264] bpf_clone_redirect+0xb9/0x490 [ 345.614568] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 345.619690] ? __sched_text_start+0x8/0x8 [ 345.623884] ? retint_kernel+0x2d/0x2d [ 345.627838] ? find_held_lock+0x36/0x1c0 [ 345.631952] ? lock_acquire+0x1ed/0x520 [ 345.635966] ? bpf_test_run+0x32e/0x5a0 [ 345.639990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.645584] ? check_preemption_disabled+0x48/0x200 [ 345.650665] ? kasan_check_read+0x11/0x20 [ 345.654888] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.660220] ? rcu_bh_qs+0xc0/0xc0 [ 345.663804] ? preempt_schedule+0x4d/0x60 [ 345.668013] ? ___preempt_schedule+0x16/0x18 [ 345.672564] ? bpf_test_run+0x1c0/0x5a0 [ 345.676594] ? netlink_diag_dump+0x2a0/0x2a0 [ 345.681065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.686655] ? bpf_test_init.isra.9+0x70/0x100 [ 345.691289] ? bpf_prog_test_run_skb+0x634/0xb40 [ 345.696103] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 345.701000] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.706587] ? fput+0x130/0x1a0 [ 345.709903] ? __bpf_prog_get+0x9b/0x290 [ 345.714014] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 345.718935] ? bpf_prog_test_run+0x130/0x1a0 [ 345.723402] ? __x64_sys_bpf+0x3d8/0x510 [ 345.727555] ? bpf_prog_get+0x20/0x20 [ 345.731470] ? do_syscall_64+0x1b9/0x820 [ 345.735598] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 345.741026] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.746011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.750943] ? trace_hardirqs_off+0x300/0x300 [ 345.755493] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 345.760602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.766207] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.771290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.776213] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.781649] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 345.781783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.788584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.788604] Call Trace: [ 345.795344] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.804588] dump_stack+0x1c4/0x2b4 [ 345.807168] syz-executor1 cpuset= [ 345.817884] ? dump_stack_print_info.cold.2+0x52/0x52 [ 345.821608] syz1 [ 345.825109] warn_alloc.cold.118+0xb7/0x1bd [ 345.830324] mems_allowed=0 [ 345.832332] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.844498] ? lock_downgrade+0x900/0x900 [ 345.848783] ? trace_hardirqs_off+0xb8/0x300 [ 345.853273] ? trace_hardirqs_off+0xb8/0x300 [ 345.857788] __alloc_pages_slowpath+0x2667/0x2d80 [ 345.862723] ? warn_alloc+0x120/0x120 [ 345.866587] ? warn_alloc+0x120/0x120 [ 345.870452] ? print_usage_bug+0xc0/0xc0 [ 345.874565] ? warn_alloc+0x120/0x120 [ 345.878421] ? print_usage_bug+0xc0/0xc0 [ 345.882536] ? __lock_acquire+0x7ec/0x4ec0 [ 345.886836] ? __lock_acquire+0x7ec/0x4ec0 [ 345.891167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.896780] ? should_fail+0x22d/0xd01 [ 345.900729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.905903] ? __lock_acquire+0x7ec/0x4ec0 [ 345.910210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.915375] ? __lock_acquire+0x7ec/0x4ec0 [ 345.919678] ? should_fail+0x22d/0xd01 [ 345.923748] ? mark_held_locks+0x130/0x130 [ 345.928044] ? mark_held_locks+0x130/0x130 [ 345.932387] ? graph_lock+0x170/0x170 [ 345.936254] ? graph_lock+0x170/0x170 [ 345.940122] ? graph_lock+0x170/0x170 [ 345.944009] ? print_usage_bug+0xc0/0xc0 [ 345.948139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.953757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.959373] ? check_preemption_disabled+0x48/0x200 [ 345.964465] ? check_preemption_disabled+0x48/0x200 [ 345.969574] ? __lock_is_held+0xb5/0x140 [ 345.973722] __alloc_pages_nodemask+0xa80/0xde0 [ 345.978461] ? graph_lock+0x170/0x170 [ 345.982329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 345.987415] ? graph_lock+0x170/0x170 [ 345.991286] ? find_held_lock+0x36/0x1c0 [ 345.995421] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.000160] ? lock_downgrade+0x900/0x900 [ 346.004384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.010985] cache_grow_begin+0x91/0x8c0 [ 346.015305] ? do_raw_spin_unlock+0xa7/0x2f0 [ 346.019789] fallback_alloc+0x203/0x2e0 [ 346.023863] ____cache_alloc_node+0x1c7/0x1e0 [ 346.028433] kmem_cache_alloc_node+0xe3/0x730 [ 346.033014] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.037340] __alloc_skb+0x119/0x770 [ 346.041299] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.050600] ? skb_scrub_packet+0x490/0x490 [ 346.057414] ? lock_downgrade+0x900/0x900 [ 346.061822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.067437] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.073017] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.078540] ? addrconf_rs_timer+0x6f0/0x6f0 [ 346.083048] ndisc_alloc_skb+0x144/0x340 [ 346.087176] ndisc_send_rs+0x331/0x6e0 [ 346.091165] addrconf_rs_timer+0x3c0/0x6f0 [ 346.095484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.099816] call_timer_fn+0x272/0x920 [ 346.103763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.108047] ? process_timeout+0x40/0x40 [ 346.112155] ? find_held_lock+0x36/0x1c0 [ 346.116301] ? __run_timers+0x7da/0xc70 [ 346.120344] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.124924] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.129488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.133797] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 346.138445] ? trace_hardirqs_on+0xbd/0x310 [ 346.142937] ? kasan_check_read+0x11/0x20 [ 346.147255] ? __run_timers+0x7da/0xc70 [ 346.151288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.156813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.161153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.165456] __run_timers+0x7e5/0xc70 [ 346.169358] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.174804] ? compat_start_thread+0x80/0x80 [ 346.179290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.185013] ? _raw_spin_unlock_irq+0x60/0x80 [ 346.189564] ? finish_task_switch+0x1f5/0x900 [ 346.194122] ? finish_task_switch+0x1b5/0x900 [ 346.198690] ? __switch_to_asm+0x34/0x70 [ 346.202842] ? preempt_notifier_register+0x200/0x200 [ 346.208004] ? __switch_to_asm+0x34/0x70 [ 346.212134] ? __switch_to_asm+0x40/0x70 [ 346.216269] ? __switch_to_asm+0x34/0x70 [ 346.220405] ? __switch_to_asm+0x40/0x70 [ 346.224527] ? __switch_to_asm+0x34/0x70 [ 346.228665] ? __switch_to_asm+0x40/0x70 [ 346.232776] ? __switch_to_asm+0x40/0x70 [ 346.236893] ? pvclock_read_flags+0x160/0x160 [ 346.241450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.247039] ? check_preemption_disabled+0x48/0x200 [ 346.252150] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 346.257782] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.263121] ? rcu_pm_notify+0xc0/0xc0 [ 346.267049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.272657] ? check_preemption_disabled+0x48/0x200 [ 346.277760] run_timer_softirq+0x52/0xb0 [ 346.281907] ? rcu_read_lock_sched_held+0x108/0x120 [ 346.286981] __do_softirq+0x30b/0xad8 [ 346.290879] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 346.296027] ? trace_hardirqs_off_caller+0x300/0x300 [ 346.301181] ? retint_kernel+0x1b/0x2d [ 346.305130] ? schedule+0x108/0x460 [ 346.308817] ? __schedule+0x1ed0/0x1ed0 [ 346.312851] ? trace_hardirqs_off+0xb8/0x300 [ 346.317323] ? ___might_sleep+0x1ed/0x300 [ 346.321520] ? smpboot_thread_fn+0x68b/0xa00 [ 346.325990] ? trace_hardirqs_on+0x310/0x310 [ 346.330453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.336042] ? check_preemption_disabled+0x48/0x200 [ 346.341115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.346733] ? takeover_tasklets+0xa90/0xa90 [ 346.351239] run_ksoftirqd+0x94/0x100 [ 346.355086] smpboot_thread_fn+0x68b/0xa00 [ 346.359382] ? sort_range+0x30/0x30 [ 346.363064] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.368234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.373840] ? __kthread_parkme+0xfb/0x1a0 [ 346.378138] kthread+0x35a/0x420 [ 346.381576] ? sort_range+0x30/0x30 [ 346.385258] ? kthread_bind+0x40/0x40 [ 346.389113] ret_from_fork+0x3a/0x50 [ 346.392886] warn_alloc_show_mem: 1 callbacks suppressed [ 346.392902] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 346.392904] Mem-Info: [ 346.392943] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 346.392943] active_file:18 inactive_file:31 isolated_file:0 [ 346.392943] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.392943] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 346.392943] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 346.392943] free:13670 free_pcp:352 free_cma:0 [ 346.398355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.405682] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.408105] Call Trace: [ 346.441224] Node 0 [ 346.450628] [ 346.478635] 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 [ 346.481215] dump_stack+0x1c4/0x2b4 [ 346.483426] lowmem_reserve[]: [ 346.485602] ? dump_stack_print_info.cold.2+0x52/0x52 [ 346.511092] 0 2815 [ 346.514803] warn_alloc.cold.118+0xb7/0x1bd [ 346.517887] 6318 [ 346.523136] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.525338] 6318 [ 346.529712] ? lock_downgrade+0x900/0x900 [ 346.531758] Node 0 [ 346.536665] ? trace_hardirqs_off+0xb8/0x300 [ 346.538731] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 346.542906] ? trace_hardirqs_off+0xb8/0x300 [ 346.545118] lowmem_reserve[]: 0 [ 346.549604] __alloc_pages_slowpath+0x2667/0x2d80 [ 346.577632] 0 [ 346.582100] ? warn_alloc+0x120/0x120 [ 346.585338] 3503 3503 [ 346.590254] ? trace_hardirqs_on+0x310/0x310 [ 346.595876] ? warn_alloc+0x120/0x120 [ 346.598355] Node 0 [ 346.602821] ? print_usage_bug+0xc0/0xc0 [ 346.606648] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 346.608874] ? warn_alloc+0x120/0x120 [ 346.612909] lowmem_reserve[]: 0 [ 346.641574] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 346.641594] ? print_usage_bug+0xc0/0xc0 [ 346.645393] 0 [ 346.648686] ? __lock_acquire+0x7ec/0x4ec0 [ 346.653680] 0 [ 346.657759] ? __lock_acquire+0x7ec/0x4ec0 [ 346.659547] 0 [ 346.663782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.665569] Node 0 [ 346.669812] ? should_fail+0x22d/0xd01 [ 346.671594] DMA: 1*4kB [ 346.677664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.679883] (U) [ 346.683773] ? __lock_acquire+0x7ec/0x4ec0 [ 346.686337] 0*8kB 0*16kB [ 346.691453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.693436] 1*32kB [ 346.697675] ? __lock_acquire+0x7ec/0x4ec0 [ 346.700436] (U) [ 346.705546] ? should_fail+0x22d/0xd01 [ 346.707779] 2*64kB (U) [ 346.712022] ? print_usage_bug+0xc0/0xc0 [ 346.713987] 1*128kB [ 346.717889] ? mark_held_locks+0x130/0x130 [ 346.720463] (U) 1*256kB (U) [ 346.724539] ? mark_held_locks+0x130/0x130 [ 346.726847] 0*512kB 1*1024kB [ 346.731106] ? graph_lock+0x170/0x170 [ 346.734188] (U) [ 346.738421] ? print_usage_bug+0xc0/0xc0 [ 346.741508] 1*2048kB [ 346.745306] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 346.747261] (M) [ 346.751330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.753726] 3*4096kB [ 346.758516] ? check_preemption_disabled+0x48/0x200 [ 346.760469] (M) = 15908kB [ 346.766039] ? check_preemption_disabled+0x48/0x200 [ 346.768445] Node 0 [ 346.773510] ? __lock_is_held+0xb5/0x140 [ 346.776240] DMA32: 4*4kB [ 346.781317] __alloc_pages_nodemask+0xa80/0xde0 [ 346.783532] (UM) [ 346.787624] ? graph_lock+0x170/0x170 [ 346.790370] 1*8kB (M) [ 346.795076] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 346.797128] 3*16kB [ 346.800984] ? graph_lock+0x170/0x170 [ 346.803462] (M) 3*32kB (M) [ 346.808555] ? find_held_lock+0x36/0x1c0 [ 346.810771] 1*64kB [ 346.814606] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.817533] (M) 3*128kB [ 346.821642] ? lock_downgrade+0x900/0x900 [ 346.823868] (UM) [ 346.828563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.831217] 3*256kB [ 346.835424] cache_grow_begin+0x91/0x8c0 [ 346.837475] (UM) [ 346.843038] ? do_raw_spin_unlock+0xa7/0x2f0 [ 346.845344] 4*512kB [ 346.849430] fallback_alloc+0x203/0x2e0 [ 346.851466] (UM) 3*1024kB [ 346.855922] ____cache_alloc_node+0x1c7/0x1e0 [ 346.858228] (M) [ 346.862250] kmem_cache_alloc_node+0xe3/0x730 [ 346.865079] 3*2048kB (M) [ 346.869628] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.871589] 3*4096kB [ 346.876105] __alloc_skb+0x119/0x770 [ 346.878862] (M) [ 346.883124] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.885518] = 24936kB [ 346.889269] ? skb_scrub_packet+0x490/0x490 [ 346.891236] Node 0 [ 346.896535] ? lock_downgrade+0x900/0x900 [ 346.898936] Normal: [ 346.903366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.905622] 1267*4kB [ 346.909793] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.912120] (UMEH) 430*8kB [ 346.917706] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.920098] (UMEH) [ 346.925576] ? addrconf_rs_timer+0x6f0/0x6f0 [ 346.928499] 212*16kB [ 346.933978] ndisc_alloc_skb+0x144/0x340 [ 346.936192] (UMEH) 35*32kB [ 346.940645] ndisc_send_rs+0x331/0x6e0 [ 346.943042] (MH) [ 346.947167] addrconf_rs_timer+0x3c0/0x6f0 [ 346.950089] 9*64kB [ 346.954011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.956051] (MH) [ 346.960310] call_timer_fn+0x272/0x920 [ 346.962534] 1*128kB [ 346.966794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.968836] (H) [ 346.972750] ? process_timeout+0x40/0x40 [ 346.975052] 1*256kB [ 346.979318] ? find_held_lock+0x36/0x1c0 [ 346.981278] (H) [ 346.985381] ? __run_timers+0x7da/0xc70 [ 346.987680] 0*512kB 0*1024kB [ 346.991783] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.993737] 0*2048kB [ 346.997738] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.000842] 0*4096kB [ 347.005390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.007776] = 13980kB [ 347.007792] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 347.012319] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 347.014715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 347.014726] 4516 total pagecache pages [ 347.018995] ? trace_hardirqs_on+0xbd/0x310 [ 347.021395] 0 pages in swap cache [ 347.030246] ? kasan_check_read+0x11/0x20 [ 347.030271] ? __run_timers+0x7da/0xc70 [ 347.034868] Swap cache stats: add 0, delete 0, find 0/0 [ 347.043516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.047395] Free swap = 0kB [ 347.047406] Total swap = 0kB [ 347.052347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.052360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.052371] __run_timers+0x7e5/0xc70 [ 347.052388] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 347.052396] ? check_preemption_disabled+0x48/0x200 [ 347.052405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.052418] ? rcu_irq_exit+0xce/0x100 [ 347.052428] ? irq_exit+0xbd/0x1c0 [ 347.052439] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 347.052451] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.052461] ? retint_kernel+0x2d/0x2d [ 347.052470] ? trace_hardirqs_on_caller+0xc0/0x300 [ 347.052478] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.052487] ? trace_hardirqs_off_caller+0x300/0x300 [ 347.052497] ? graph_lock+0x170/0x170 [ 347.052507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.052514] ? check_preemption_disabled+0x48/0x200 [ 347.052528] ? __lock_is_held+0xb5/0x140 [ 347.052536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.052544] ? check_preemption_disabled+0x48/0x200 [ 347.052555] run_timer_softirq+0x52/0xb0 [ 347.052563] ? rcu_read_lock_sched_held+0x108/0x120 [ 347.052571] __do_softirq+0x30b/0xad8 [ 347.052585] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 347.052598] ? pvclock_read_flags+0x160/0x160 [ 347.052606] ? lapic_next_event+0x5a/0x90 [ 347.052616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.052627] ? check_preemption_disabled+0x48/0x200 [ 347.052637] ? check_preemption_disabled+0x48/0x200 [ 347.052664] ? kvm_clock_read+0x18/0x30 [ 347.056135] 1965979 pages RAM [ 347.060321] ? kvm_sched_clock_read+0x9/0x20 [ 347.064284] 0 pages HighMem/MovableOnly [ 347.064298] 343324 pages reserved [ 347.069700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.075147] 0 pages cma reserved [ 347.075270] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.078207] ? check_preemption_disabled+0x48/0x200 [ 347.081372] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.085501] irq_exit+0x17f/0x1c0 [ 347.089732] ksoftirqd/0 cpuset= [ 347.093574] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.098934] / [ 347.103997] ? smp_reschedule_interrupt+0x109/0x650 [ 347.109526] mems_allowed=0 [ 347.291088] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.297045] ? interrupt_entry+0xb5/0xf0 [ 347.301165] ? trace_hardirqs_off_caller+0xbb/0x300 [ 347.306221] ? trace_hardirqs_off_caller+0xbb/0x300 [ 347.311284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.316189] ? trace_hardirqs_off+0x300/0x300 [ 347.320730] ? trace_hardirqs_off+0x300/0x300 [ 347.325270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.330856] ? check_preemption_disabled+0x48/0x200 [ 347.335934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.341538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.346481] apic_timer_interrupt+0xf/0x20 [ 347.350754] [ 347.353017] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 347.357980] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 347.376915] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 347.384664] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 347.391961] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 347.399265] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 347.406571] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 347.413866] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 347.421213] skb_clone+0x1bb/0x500 [ 347.424809] ? skb_split+0x11e0/0x11e0 [ 347.428737] ? preempt_notifier_register+0x200/0x200 [ 347.433903] ? __switch_to_asm+0x34/0x70 [ 347.438028] ? __switch_to_asm+0x34/0x70 [ 347.442120] ? __switch_to_asm+0x40/0x70 [ 347.446247] ? __switch_to_asm+0x34/0x70 [ 347.450345] ? __switch_to_asm+0x40/0x70 [ 347.454440] ? __switch_to_asm+0x40/0x70 [ 347.458543] ? __switch_to_asm+0x34/0x70 [ 347.462664] ? __switch_to_asm+0x34/0x70 [ 347.466774] ? __switch_to_asm+0x40/0x70 [ 347.470881] ? __switch_to_asm+0x34/0x70 [ 347.474995] bpf_clone_redirect+0xb9/0x490 [ 347.479284] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 347.484353] ? __sched_text_start+0x8/0x8 [ 347.488549] ? retint_kernel+0x2d/0x2d [ 347.492510] ? find_held_lock+0x36/0x1c0 [ 347.496621] ? lock_acquire+0x1ed/0x520 [ 347.500635] ? bpf_test_run+0x32e/0x5a0 [ 347.504650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.510244] ? check_preemption_disabled+0x48/0x200 [ 347.515338] ? kasan_check_read+0x11/0x20 [ 347.519547] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.524871] ? rcu_bh_qs+0xc0/0xc0 [ 347.528452] ? preempt_schedule+0x4d/0x60 [ 347.532652] ? ___preempt_schedule+0x16/0x18 [ 347.537119] ? bpf_test_run+0x1c0/0x5a0 [ 347.541154] ? netlink_diag_dump+0x2a0/0x2a0 [ 347.545635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.551222] ? bpf_test_init.isra.9+0x70/0x100 [ 347.555860] ? bpf_prog_test_run_skb+0x634/0xb40 [ 347.560670] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 347.565559] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.571150] ? fput+0x130/0x1a0 [ 347.574480] ? __bpf_prog_get+0x9b/0x290 [ 347.578590] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 347.583486] ? bpf_prog_test_run+0x130/0x1a0 [ 347.587949] ? __x64_sys_bpf+0x3d8/0x510 [ 347.592051] ? bpf_prog_get+0x20/0x20 [ 347.595923] ? do_syscall_64+0x1b9/0x820 [ 347.600024] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 347.605430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.610409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.615318] ? trace_hardirqs_off+0x300/0x300 [ 347.619858] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 347.624922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.630512] ? prepare_exit_to_usermode+0x291/0x3b0 [ 347.635597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.640507] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.645938] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 347.646046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.652736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.652743] Call Trace: [ 347.652777] dump_stack+0x1c4/0x2b4 [ 347.652792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 347.652816] warn_alloc.cold.118+0xb7/0x1bd [ 347.652832] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.652853] ? lock_downgrade+0x900/0x900 [ 347.659543] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.668806] ? trace_hardirqs_off+0xb8/0x300 [ 347.671389] syz-executor1 cpuset= [ 347.675040] ? trace_hardirqs_off+0xb8/0x300 [ 347.680230] syz1 [ 347.684584] __alloc_pages_slowpath+0x2667/0x2d80 [ 347.689448] mems_allowed=0 [ 347.693651] ? warn_alloc+0x120/0x120 [ 347.729961] ? warn_alloc+0x120/0x120 [ 347.733801] ? print_usage_bug+0xc0/0xc0 [ 347.737905] ? warn_alloc+0x120/0x120 [ 347.741740] ? print_usage_bug+0xc0/0xc0 [ 347.745838] ? __lock_acquire+0x7ec/0x4ec0 [ 347.750102] ? __lock_acquire+0x7ec/0x4ec0 [ 347.754407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.760006] ? should_fail+0x22d/0xd01 [ 347.763934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.769095] ? __lock_acquire+0x7ec/0x4ec0 [ 347.773382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.778528] ? __lock_acquire+0x7ec/0x4ec0 [ 347.782799] ? should_fail+0x22d/0xd01 [ 347.786714] ? print_usage_bug+0xc0/0xc0 [ 347.790815] ? mark_held_locks+0x130/0x130 [ 347.795109] ? mark_held_locks+0x130/0x130 [ 347.799388] ? graph_lock+0x170/0x170 [ 347.803244] ? print_usage_bug+0xc0/0xc0 [ 347.807364] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.812183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.817756] ? check_preemption_disabled+0x48/0x200 [ 347.822804] ? check_preemption_disabled+0x48/0x200 [ 347.827874] ? __lock_is_held+0xb5/0x140 [ 347.831985] __alloc_pages_nodemask+0xa80/0xde0 [ 347.836698] ? graph_lock+0x170/0x170 [ 347.840547] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 347.845638] ? graph_lock+0x170/0x170 [ 347.849504] ? find_held_lock+0x36/0x1c0 [ 347.853642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.858368] ? lock_downgrade+0x900/0x900 [ 347.862559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.868168] cache_grow_begin+0x91/0x8c0 [ 347.872302] ? do_raw_spin_unlock+0xa7/0x2f0 [ 347.876760] fallback_alloc+0x203/0x2e0 [ 347.880810] ____cache_alloc_node+0x1c7/0x1e0 [ 347.885403] kmem_cache_alloc_node+0xe3/0x730 [ 347.889976] ? ipv6_get_ifaddr+0x42e/0x620 [ 347.894265] __alloc_skb+0x119/0x770 [ 347.898029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.903359] ? skb_scrub_packet+0x490/0x490 [ 347.907721] ? lock_downgrade+0x900/0x900 [ 347.911918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.917493] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.923000] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.928500] ? addrconf_rs_timer+0x6f0/0x6f0 [ 347.932973] ndisc_alloc_skb+0x144/0x340 [ 347.937077] ndisc_send_rs+0x331/0x6e0 [ 347.941021] addrconf_rs_timer+0x3c0/0x6f0 [ 347.945357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.949675] call_timer_fn+0x272/0x920 [ 347.953608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.957907] ? process_timeout+0x40/0x40 [ 347.962036] ? find_held_lock+0x36/0x1c0 [ 347.966146] ? __run_timers+0x7da/0xc70 [ 347.970183] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.974725] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.979270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.983552] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 347.988181] ? trace_hardirqs_on+0xbd/0x310 [ 347.992567] ? kasan_check_read+0x11/0x20 [ 347.996750] ? __run_timers+0x7da/0xc70 [ 348.000765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.006385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.010699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.014986] __run_timers+0x7e5/0xc70 [ 348.018862] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.024271] ? compat_start_thread+0x80/0x80 [ 348.028744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.034344] ? _raw_spin_unlock_irq+0x60/0x80 [ 348.040051] ? finish_task_switch+0x1f5/0x900 [ 348.044603] ? finish_task_switch+0x1b5/0x900 [ 348.049781] ? __switch_to_asm+0x34/0x70 [ 348.053906] ? preempt_notifier_register+0x200/0x200 [ 348.059058] ? __switch_to_asm+0x34/0x70 [ 348.063171] ? __switch_to_asm+0x40/0x70 [ 348.067278] ? __switch_to_asm+0x34/0x70 [ 348.071422] ? __switch_to_asm+0x40/0x70 [ 348.075573] ? __switch_to_asm+0x34/0x70 [ 348.080409] ? __switch_to_asm+0x40/0x70 [ 348.084539] ? __switch_to_asm+0x40/0x70 [ 348.088662] ? pvclock_read_flags+0x160/0x160 [ 348.093212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.098820] ? check_preemption_disabled+0x48/0x200 [ 348.103911] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 348.109521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.114896] ? rcu_pm_notify+0xc0/0xc0 [ 348.118835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.124448] ? check_preemption_disabled+0x48/0x200 [ 348.129582] run_timer_softirq+0x52/0xb0 [ 348.133701] ? rcu_read_lock_sched_held+0x108/0x120 [ 348.138784] __do_softirq+0x30b/0xad8 [ 348.142652] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 348.147814] ? trace_hardirqs_off_caller+0x300/0x300 [ 348.152994] ? retint_kernel+0x1b/0x2d [ 348.156951] ? schedule+0x108/0x460 [ 348.160739] ? __schedule+0x1ed0/0x1ed0 [ 348.164787] ? trace_hardirqs_off+0xb8/0x300 [ 348.169256] ? ___might_sleep+0x1ed/0x300 [ 348.173485] ? smpboot_thread_fn+0x68b/0xa00 [ 348.178004] ? trace_hardirqs_on+0x310/0x310 [ 348.182569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.188653] ? check_preemption_disabled+0x48/0x200 [ 348.193745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.199366] ? takeover_tasklets+0xa90/0xa90 [ 348.203939] run_ksoftirqd+0x94/0x100 [ 348.207793] smpboot_thread_fn+0x68b/0xa00 [ 348.212129] ? sort_range+0x30/0x30 [ 348.215862] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.221046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.226807] ? __kthread_parkme+0xfb/0x1a0 [ 348.231097] kthread+0x35a/0x420 [ 348.234487] ? sort_range+0x30/0x30 [ 348.238261] ? kthread_bind+0x40/0x40 [ 348.242112] ret_from_fork+0x3a/0x50 [ 348.245862] warn_alloc_show_mem: 1 callbacks suppressed [ 348.245881] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 348.245887] Mem-Info: [ 348.245940] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 348.245940] active_file:18 inactive_file:31 isolated_file:0 [ 348.245940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.245940] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 348.245940] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 348.245940] free:13670 free_pcp:352 free_cma:0 [ 348.251294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.251331] Call Trace: [ 348.258803] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.261260] [ 348.294428] Node 0 [ 348.303904] dump_stack+0x1c4/0x2b4 [ 348.303945] ? dump_stack_print_info.cold.2+0x52/0x52 [ 348.306643] 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 [ 348.334582] warn_alloc.cold.118+0xb7/0x1bd [ 348.334613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.336792] lowmem_reserve[]: [ 348.339038] ? lock_downgrade+0x900/0x900 [ 348.342691] 0 [ 348.347907] ? trace_hardirqs_off+0xb8/0x300 [ 348.347932] ? trace_hardirqs_off+0xb8/0x300 [ 348.373685] 2815 [ 348.378079] __alloc_pages_slowpath+0x2667/0x2d80 [ 348.383057] 6318 6318 [ 348.386231] ? warn_alloc+0x120/0x120 [ 348.392262] ? trace_hardirqs_on+0x310/0x310 [ 348.396700] Node 0 [ 348.401334] ? warn_alloc+0x120/0x120 [ 348.401365] ? print_usage_bug+0xc0/0xc0 [ 348.403558] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 348.408388] ? warn_alloc+0x120/0x120 [ 348.408426] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 348.410948] lowmem_reserve[]: [ 348.414765] ? print_usage_bug+0xc0/0xc0 [ 348.414806] ? __lock_acquire+0x7ec/0x4ec0 [ 348.419276] 0 [ 348.421529] ? __lock_acquire+0x7ec/0x4ec0 [ 348.421560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.425376] 0 3503 [ 348.429484] ? should_fail+0x22d/0xd01 [ 348.429525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.456310] 3503 [ 348.460111] ? __lock_acquire+0x7ec/0x4ec0 [ 348.460135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.468441] ? __lock_acquire+0x7ec/0x4ec0 [ 348.468467] ? should_fail+0x22d/0xd01 [ 348.472558] Node 0 [ 348.476807] ? print_usage_bug+0xc0/0xc0 [ 348.476845] ? mark_held_locks+0x130/0x130 [ 348.478720] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 348.483004] ? mark_held_locks+0x130/0x130 [ 348.483030] ? graph_lock+0x170/0x170 [ 348.488614] lowmem_reserve[]: [ 348.490897] ? print_usage_bug+0xc0/0xc0 [ 348.494805] 0 [ 348.499973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.500007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.502083] 0 [ 348.506336] ? check_preemption_disabled+0x48/0x200 [ 348.506365] ? check_preemption_disabled+0x48/0x200 [ 348.511550] 0 [ 348.515824] ? __lock_is_held+0xb5/0x140 [ 348.519748] 0 [ 348.522014] __alloc_pages_nodemask+0xa80/0xde0 [ 348.526065] Node 0 [ 348.530360] ? graph_lock+0x170/0x170 [ 348.559104] DMA: [ 348.563379] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 348.567225] 1*4kB [ 348.570341] ? graph_lock+0x170/0x170 [ 348.570383] ? find_held_lock+0x36/0x1c0 [ 348.574625] (U) [ 348.576461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.581319] 0*8kB 0*16kB [ 348.586917] ? lock_downgrade+0x900/0x900 [ 348.586964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.588813] 1*32kB [ 348.593939] cache_grow_begin+0x91/0x8c0 [ 348.593980] ? do_raw_spin_unlock+0xa7/0x2f0 [ 348.599035] (U) 2*64kB [ 348.600906] fallback_alloc+0x203/0x2e0 [ 348.605155] (U) [ 348.607001] ____cache_alloc_node+0x1c7/0x1e0 [ 348.611762] 1*128kB [ 348.614015] kmem_cache_alloc_node+0xe3/0x730 [ 348.617827] (U) [ 348.619924] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.624965] 1*256kB (U) [ 348.627171] __alloc_skb+0x119/0x770 [ 348.630989] 0*512kB [ 348.635105] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.635132] ? skb_scrub_packet+0x490/0x490 [ 348.637126] 1*1024kB [ 348.641817] ? lock_downgrade+0x900/0x900 [ 348.641854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.644663] (U) [ 348.648829] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.654594] 1*2048kB [ 348.656875] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.660946] (M) [ 348.665379] ? addrconf_rs_timer+0x6f0/0x6f0 [ 348.665418] ndisc_alloc_skb+0x144/0x340 [ 348.668031] 3*4096kB [ 348.672039] ndisc_send_rs+0x331/0x6e0 [ 348.674013] (M) [ 348.678629] addrconf_rs_timer+0x3c0/0x6f0 [ 348.678665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.681027] = 15908kB [ 348.685561] call_timer_fn+0x272/0x920 [ 348.687551] Node 0 [ 348.691818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.691850] ? process_timeout+0x40/0x40 [ 348.694550] DMA32: [ 348.698272] ? find_held_lock+0x36/0x1c0 [ 348.698301] ? __run_timers+0x7da/0xc70 [ 348.700672] 4*4kB [ 348.706063] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.710398] (UM) [ 348.712820] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.712853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.717042] 1*8kB (M) [ 348.722638] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 348.722681] ? trace_hardirqs_on+0xbd/0x310 [ 348.724764] 3*16kB [ 348.730228] ? kasan_check_read+0x11/0x20 [ 348.730261] ? __run_timers+0x7da/0xc70 [ 348.732693] (M) [ 348.738196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.738231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.740258] 3*32kB [ 348.744681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.744715] __run_timers+0x7e5/0xc70 [ 348.748785] (M) [ 348.751210] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.755071] 1*64kB (M) [ 348.757189] ? check_preemption_disabled+0x48/0x200 [ 348.757218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.761467] 3*128kB [ 348.765762] ? rcu_irq_exit+0xce/0x100 [ 348.768184] (UM) [ 348.772095] ? irq_exit+0xbd/0x1c0 [ 348.774338] 3*256kB [ 348.778703] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 348.778745] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.782860] (UM) [ 348.785122] ? retint_kernel+0x2d/0x2d [ 348.789194] 4*512kB [ 348.793404] ? trace_hardirqs_on_caller+0xc0/0x300 [ 348.795571] (UM) [ 348.800076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.800105] ? trace_hardirqs_off_caller+0x300/0x300 [ 348.802197] 3*1024kB [ 348.806793] ? graph_lock+0x170/0x170 [ 348.806827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.811124] (M) [ 348.813732] ? check_preemption_disabled+0x48/0x200 [ 348.818503] 3*2048kB [ 348.822930] ? __lock_is_held+0xb5/0x140 [ 348.825173] (M) [ 348.829354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.829386] ? check_preemption_disabled+0x48/0x200 [ 348.833493] 3*4096kB (M) [ 348.835513] run_timer_softirq+0x52/0xb0 [ 348.840987] = 24936kB [ 348.845304] ? rcu_read_lock_sched_held+0x108/0x120 [ 348.845339] __do_softirq+0x30b/0xad8 [ 348.847594] Node 0 [ 348.851913] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 348.855724] Normal: [ 348.857717] ? pvclock_read_flags+0x160/0x160 [ 348.863080] 1267*4kB [ 348.865670] ? lapic_next_event+0x5a/0x90 [ 348.865699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.870754] (UMEH) [ 348.876324] ? check_preemption_disabled+0x48/0x200 [ 348.876362] ? check_preemption_disabled+0x48/0x200 [ 348.878719] 430*8kB [ 348.882617] ? kvm_clock_read+0x18/0x30 [ 348.882646] ? kvm_sched_clock_read+0x9/0x20 [ 348.884843] (UMEH) [ 348.888437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.890770] 212*16kB (UMEH) [ 348.895907] ? check_preemption_disabled+0x48/0x200 [ 348.895946] irq_exit+0x17f/0x1c0 [ 348.900730] 35*32kB (MH) [ 348.902985] smp_apic_timer_interrupt+0x1cb/0x760 [ 348.906873] 9*64kB [ 348.909215] ? smp_reschedule_interrupt+0x109/0x650 [ 348.909233] ? smp_call_function_single_interrupt+0x650/0x650 [ 348.914295] (MH) [ 348.916395] ? interrupt_entry+0xb5/0xf0 [ 348.921193] 1*128kB [ 348.926390] ? trace_hardirqs_off_caller+0xbb/0x300 [ 348.928911] (H) [ 348.932717] ? trace_hardirqs_off_caller+0xbb/0x300 [ 348.932759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.938361] 1*256kB [ 348.940342] ? trace_hardirqs_off+0x300/0x300 [ 348.945420] (H) [ 348.947956] ? trace_hardirqs_off+0x300/0x300 [ 348.947993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.952168] 0*512kB [ 348.954156] ? check_preemption_disabled+0x48/0x200 [ 348.959799] 0*1024kB [ 348.964832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.964869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.967732] 0*2048kB [ 348.971817] apic_timer_interrupt+0xf/0x20 [ 348.974239] 0*4096kB [ 348.979303] [ 348.983271] = 13980kB [ 348.985534] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 348.990736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.993042] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 348.997580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.997595] 4516 total pagecache pages [ 349.000018] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 349.004213] 0 pages in swap cache [ 349.009767] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 349.009821] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 349.012118] Swap cache stats: add 0, delete 0, find 0/0 [ 349.017235] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 349.017268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 349.022418] Free swap = 0kB [ 349.022439] Total swap = 0kB [ 349.024780] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 349.024840] skb_clone+0x1bb/0x500 [ 349.028919] 1965979 pages RAM [ 349.033391] ? skb_split+0x11e0/0x11e0 [ 349.035803] 0 pages HighMem/MovableOnly [ 349.041463] ? preempt_notifier_register+0x200/0x200 [ 349.044474] 343324 pages reserved [ 349.044491] 0 pages cma reserved [ 349.049545] ? __switch_to_asm+0x34/0x70 [ 349.049588] ? __switch_to_asm+0x34/0x70 [ 349.053384] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.055836] ? __switch_to_asm+0x40/0x70 [ 349.055861] ? __switch_to_asm+0x34/0x70 [ 349.061210] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.063094] ? __switch_to_asm+0x40/0x70 [ 349.063120] ? __switch_to_asm+0x40/0x70 [ 349.068313] ksoftirqd/0 cpuset= [ 349.074219] ? __switch_to_asm+0x34/0x70 [ 349.074250] ? __switch_to_asm+0x34/0x70 [ 349.076471] / [ 349.080560] ? __switch_to_asm+0x40/0x70 [ 349.080585] ? __switch_to_asm+0x34/0x70 [ 349.083044] mems_allowed=0 [ 349.088204] bpf_clone_redirect+0xb9/0x490 [ 349.359328] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 349.364441] ? __sched_text_start+0x8/0x8 [ 349.368661] ? retint_kernel+0x2d/0x2d [ 349.372608] ? find_held_lock+0x36/0x1c0 [ 349.376727] ? lock_acquire+0x1ed/0x520 [ 349.380753] ? bpf_test_run+0x32e/0x5a0 [ 349.384775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.390371] ? check_preemption_disabled+0x48/0x200 [ 349.395454] ? kasan_check_read+0x11/0x20 [ 349.399658] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.404987] ? rcu_bh_qs+0xc0/0xc0 [ 349.408568] ? preempt_schedule+0x4d/0x60 [ 349.412764] ? ___preempt_schedule+0x16/0x18 [ 349.417249] ? bpf_test_run+0x1c0/0x5a0 [ 349.421289] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.425776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.431363] ? bpf_test_init.isra.9+0x70/0x100 [ 349.435998] ? bpf_prog_test_run_skb+0x634/0xb40 [ 349.440806] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 349.445685] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.451265] ? fput+0x130/0x1a0 [ 349.454579] ? __bpf_prog_get+0x9b/0x290 [ 349.458693] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 349.463610] ? bpf_prog_test_run+0x130/0x1a0 [ 349.468067] ? __x64_sys_bpf+0x3d8/0x510 [ 349.472183] ? bpf_prog_get+0x20/0x20 [ 349.476044] ? do_syscall_64+0x1b9/0x820 [ 349.480148] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 349.485653] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.490637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.495532] ? trace_hardirqs_off+0x300/0x300 [ 349.500069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 349.505139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.510723] ? prepare_exit_to_usermode+0x291/0x3b0 [ 349.515787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.520696] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.526118] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 349.526218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.532928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.532935] Call Trace: [ 349.532967] dump_stack+0x1c4/0x2b4 [ 349.532982] ? dump_stack_print_info.cold.2+0x52/0x52 [ 349.533007] warn_alloc.cold.118+0xb7/0x1bd [ 349.533023] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.533042] ? lock_downgrade+0x900/0x900 [ 349.539829] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.548971] ? trace_hardirqs_off+0xb8/0x300 [ 349.551551] syz-executor1 cpuset= [ 349.555207] ? trace_hardirqs_off+0xb8/0x300 [ 349.560404] syz1 [ 349.564762] __alloc_pages_slowpath+0x2667/0x2d80 [ 349.569618] mems_allowed=0 [ 349.573822] ? warn_alloc+0x120/0x120 [ 349.610265] ? warn_alloc+0x120/0x120 [ 349.614116] ? print_usage_bug+0xc0/0xc0 [ 349.618239] ? warn_alloc+0x120/0x120 [ 349.622096] ? print_usage_bug+0xc0/0xc0 [ 349.626215] ? __lock_acquire+0x7ec/0x4ec0 [ 349.630501] ? __lock_acquire+0x7ec/0x4ec0 [ 349.634792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.640390] ? should_fail+0x22d/0xd01 [ 349.644342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.649529] ? __lock_acquire+0x7ec/0x4ec0 [ 349.653832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.658989] ? __lock_acquire+0x7ec/0x4ec0 [ 349.663282] ? should_fail+0x22d/0xd01 [ 349.667215] ? print_usage_bug+0xc0/0xc0 [ 349.671340] ? mark_held_locks+0x130/0x130 [ 349.675646] ? mark_held_locks+0x130/0x130 [ 349.679951] ? graph_lock+0x170/0x170 [ 349.683807] ? print_usage_bug+0xc0/0xc0 [ 349.687927] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 349.692832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.698425] ? check_preemption_disabled+0x48/0x200 [ 349.703531] ? check_preemption_disabled+0x48/0x200 [ 349.708668] ? __lock_is_held+0xb5/0x140 [ 349.712817] __alloc_pages_nodemask+0xa80/0xde0 [ 349.717545] ? graph_lock+0x170/0x170 [ 349.721395] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 349.726454] ? graph_lock+0x170/0x170 [ 349.730343] ? find_held_lock+0x36/0x1c0 [ 349.734479] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.739212] ? lock_downgrade+0x900/0x900 [ 349.743451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.749044] cache_grow_begin+0x91/0x8c0 [ 349.753165] ? do_raw_spin_unlock+0xa7/0x2f0 [ 349.757645] fallback_alloc+0x203/0x2e0 [ 349.761713] ____cache_alloc_node+0x1c7/0x1e0 [ 349.766265] kmem_cache_alloc_node+0xe3/0x730 [ 349.770806] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.775090] __alloc_skb+0x119/0x770 [ 349.778850] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.784174] ? skb_scrub_packet+0x490/0x490 [ 349.788581] ? lock_downgrade+0x900/0x900 [ 349.792791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.798379] ? refcount_sub_and_test_checked+0x203/0x310 [ 349.803888] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 349.809387] ? addrconf_rs_timer+0x6f0/0x6f0 [ 349.813863] ndisc_alloc_skb+0x144/0x340 [ 349.818024] ndisc_send_rs+0x331/0x6e0 [ 349.821965] addrconf_rs_timer+0x3c0/0x6f0 [ 349.826283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.830608] call_timer_fn+0x272/0x920 [ 349.834552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.838853] ? process_timeout+0x40/0x40 [ 349.842955] ? find_held_lock+0x36/0x1c0 [ 349.847074] ? __run_timers+0x7da/0xc70 [ 349.851142] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.855683] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.860218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.864512] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.869164] ? trace_hardirqs_on+0xbd/0x310 [ 349.873523] ? kasan_check_read+0x11/0x20 [ 349.877718] ? __run_timers+0x7da/0xc70 [ 349.881772] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.887285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.891578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.895897] __run_timers+0x7e5/0xc70 [ 349.899775] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 349.905185] ? compat_start_thread+0x80/0x80 [ 349.909647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.915232] ? _raw_spin_unlock_irq+0x60/0x80 [ 349.919810] ? finish_task_switch+0x1f5/0x900 [ 349.924347] ? finish_task_switch+0x1b5/0x900 [ 349.928891] ? __switch_to_asm+0x34/0x70 [ 349.933014] ? preempt_notifier_register+0x200/0x200 [ 349.938170] ? __switch_to_asm+0x34/0x70 [ 349.942325] ? __switch_to_asm+0x40/0x70 [ 349.946437] ? __switch_to_asm+0x34/0x70 [ 349.950540] ? __switch_to_asm+0x40/0x70 [ 349.954660] ? __switch_to_asm+0x34/0x70 [ 349.958777] ? __switch_to_asm+0x40/0x70 [ 349.962899] ? __switch_to_asm+0x40/0x70 [ 349.967041] ? pvclock_read_flags+0x160/0x160 [ 349.971598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.977205] ? check_preemption_disabled+0x48/0x200 [ 349.982300] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 349.987890] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.993219] ? rcu_pm_notify+0xc0/0xc0 [ 349.997159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.002743] ? check_preemption_disabled+0x48/0x200 [ 350.007817] run_timer_softirq+0x52/0xb0 [ 350.011922] ? rcu_read_lock_sched_held+0x108/0x120 [ 350.017020] __do_softirq+0x30b/0xad8 [ 350.020898] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 350.026078] ? trace_hardirqs_off_caller+0x300/0x300 [ 350.031278] ? retint_kernel+0x1b/0x2d [ 350.035219] ? schedule+0x108/0x460 [ 350.038895] ? __schedule+0x1ed0/0x1ed0 [ 350.042937] ? trace_hardirqs_off+0xb8/0x300 [ 350.047404] ? ___might_sleep+0x1ed/0x300 [ 350.052045] ? smpboot_thread_fn+0x68b/0xa00 [ 350.056503] ? trace_hardirqs_on+0x310/0x310 [ 350.060966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.066565] ? check_preemption_disabled+0x48/0x200 [ 350.071656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.077246] ? takeover_tasklets+0xa90/0xa90 [ 350.081719] run_ksoftirqd+0x94/0x100 [ 350.085581] smpboot_thread_fn+0x68b/0xa00 [ 350.089876] ? sort_range+0x30/0x30 [ 350.093544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.098707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.104291] ? __kthread_parkme+0xfb/0x1a0 [ 350.108604] kthread+0x35a/0x420 [ 350.112043] ? sort_range+0x30/0x30 [ 350.115705] ? kthread_bind+0x40/0x40 [ 350.119554] ret_from_fork+0x3a/0x50 [ 350.123345] warn_alloc_show_mem: 1 callbacks suppressed [ 350.123358] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 350.123361] Mem-Info: [ 350.123393] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 350.123393] active_file:18 inactive_file:31 isolated_file:0 [ 350.123393] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.123393] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 350.123393] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 350.123393] free:13670 free_pcp:352 free_cma:0 [ 350.128775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.128793] Call Trace: [ 350.136117] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.138548] [ 350.171721] Node 0 [ 350.181125] dump_stack+0x1c4/0x2b4 [ 350.183732] 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 [ 350.211681] ? dump_stack_print_info.cold.2+0x52/0x52 [ 350.213812] lowmem_reserve[]: 0 [ 350.216157] warn_alloc.cold.118+0xb7/0x1bd [ 350.219760] 2815 6318 [ 350.245326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.250520] 6318 [ 350.253831] ? lock_downgrade+0x900/0x900 [ 350.260684] ? trace_hardirqs_off+0xb8/0x300 [ 350.265527] Node 0 [ 350.267618] ? trace_hardirqs_off+0xb8/0x300 [ 350.271781] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 350.276208] __alloc_pages_slowpath+0x2667/0x2d80 [ 350.278428] lowmem_reserve[]: [ 350.282903] ? warn_alloc+0x120/0x120 [ 350.309681] 0 [ 350.314568] ? warn_alloc+0x120/0x120 [ 350.317674] 0 [ 350.321517] ? print_usage_bug+0xc0/0xc0 [ 350.323306] 3503 [ 350.327142] ? warn_alloc+0x120/0x120 [ 350.328919] 3503 [ 350.333022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 350.335103] Node 0 [ 350.338944] ? print_usage_bug+0xc0/0xc0 [ 350.341020] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 350.346045] ? __lock_acquire+0x7ec/0x4ec0 [ 350.348272] lowmem_reserve[]: [ 350.352369] ? __lock_acquire+0x7ec/0x4ec0 [ 350.380997] 0 0 [ 350.385299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.388384] 0 0 [ 350.392670] ? should_fail+0x22d/0xd01 [ 350.394635] Node 0 [ 350.400200] ? __lock_acquire+0x7ec/0x4ec0 [ 350.402161] DMA: [ 350.406173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.408396] 1*4kB [ 350.412665] ? __lock_acquire+0x7ec/0x4ec0 [ 350.414713] (U) [ 350.419864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.421997] 0*8kB [ 350.426272] ? __lock_acquire+0x7ec/0x4ec0 [ 350.428240] 0*16kB [ 350.433383] ? should_fail+0x22d/0xd01 [ 350.435505] 1*32kB (U) [ 350.439786] ? mark_held_locks+0x130/0x130 [ 350.441998] 2*64kB (U) [ 350.445917] ? mark_held_locks+0x130/0x130 [ 350.448489] 1*128kB (U) [ 350.452774] ? graph_lock+0x170/0x170 [ 350.455339] 1*256kB (U) [ 350.459628] ? print_usage_bug+0xc0/0xc0 [ 350.462292] 0*512kB [ 350.466136] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.468788] 1*1024kB [ 350.472874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.475182] (U) [ 350.479976] ? check_preemption_disabled+0x48/0x200 [ 350.482370] 1*2048kB [ 350.487947] ? check_preemption_disabled+0x48/0x200 [ 350.489907] (M) [ 350.494959] ? __lock_is_held+0xb5/0x140 [ 350.497362] 3*4096kB [ 350.502422] __alloc_pages_nodemask+0xa80/0xde0 [ 350.504377] (M) [ 350.508483] ? graph_lock+0x170/0x170 [ 350.510870] = 15908kB [ 350.510882] Node 0 [ 350.515599] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 350.517542] DMA32: 4*4kB [ 350.521396] ? graph_lock+0x170/0x170 [ 350.521429] ? find_held_lock+0x36/0x1c0 [ 350.523833] (UM) [ 350.526120] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.531108] 1*8kB (M) [ 350.533949] ? lock_downgrade+0x900/0x900 [ 350.537730] 3*16kB (M) [ 350.541846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.543884] 3*32kB (M) [ 350.548615] cache_grow_begin+0x91/0x8c0 [ 350.551102] 1*64kB (M) [ 350.555323] ? do_raw_spin_unlock+0xa7/0x2f0 [ 350.557961] 3*128kB [ 350.563554] fallback_alloc+0x203/0x2e0 [ 350.566109] (UM) 3*256kB [ 350.570274] ____cache_alloc_node+0x1c7/0x1e0 [ 350.572838] (UM) [ 350.577288] kmem_cache_alloc_node+0xe3/0x730 [ 350.579583] 4*512kB (UM) [ 350.583612] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.586359] 3*1024kB (M) [ 350.590918] __alloc_skb+0x119/0x770 [ 350.592957] 3*2048kB (M) [ 350.597502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.600238] 3*4096kB (M) [ 350.604532] ? skb_scrub_packet+0x490/0x490 [ 350.607276] = 24936kB [ 350.607289] Node 0 [ 350.611041] ? lock_downgrade+0x900/0x900 [ 350.613800] Normal: [ 350.619126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.621866] 1267*4kB [ 350.626227] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.628609] (UMEH) 430*8kB [ 350.630906] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.635016] (UMEH) 212*16kB [ 350.637383] ? addrconf_rs_timer+0x6f0/0x6f0 [ 350.642958] (UMEH) [ 350.645415] ndisc_alloc_skb+0x144/0x340 [ 350.650845] 35*32kB (MH) [ 350.653848] ndisc_send_rs+0x331/0x6e0 [ 350.659291] 9*64kB (MH) [ 350.662384] addrconf_rs_timer+0x3c0/0x6f0 [ 350.666767] 1*128kB (H) [ 350.669060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.673105] 1*256kB (H) [ 350.675944] call_timer_fn+0x272/0x920 [ 350.679802] 0*512kB 0*1024kB [ 350.682544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.686758] 0*2048kB 0*4096kB [ 350.689498] ? process_timeout+0x40/0x40 [ 350.693715] = 13980kB [ 350.696419] ? find_held_lock+0x36/0x1c0 [ 350.700314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.703479] ? __run_timers+0x7da/0xc70 [ 350.707713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.707724] 4516 total pagecache pages [ 350.710959] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.715018] 0 pages in swap cache [ 350.717459] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.721510] Swap cache stats: add 0, delete 0, find 0/0 [ 350.721524] Free swap = 0kB [ 350.730446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.734410] Total swap = 0kB [ 350.734423] 1965979 pages RAM [ 350.743043] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 350.746928] 0 pages HighMem/MovableOnly [ 350.746941] 343324 pages reserved [ 350.751509] ? trace_hardirqs_on+0xbd/0x310 [ 350.754951] 0 pages cma reserved [ 350.755058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.759528] ? kasan_check_read+0x11/0x20 [ 350.759550] ? __run_timers+0x7da/0xc70 [ 350.759565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.759593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.759613] __run_timers+0x7e5/0xc70 [ 350.765089] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.768068] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 350.772289] ksoftirqd/0 cpuset= [ 350.775336] ? check_preemption_disabled+0x48/0x200 [ 350.778438] / [ 350.783058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.787030] mems_allowed=0 [ 350.860735] ? rcu_irq_exit+0xce/0x100 [ 350.864673] ? irq_exit+0xbd/0x1c0 [ 350.868255] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 350.873325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.878149] ? retint_kernel+0x2d/0x2d [ 350.882067] ? trace_hardirqs_on_caller+0xc0/0x300 [ 350.887061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.891875] ? trace_hardirqs_off_caller+0x300/0x300 [ 350.897045] ? graph_lock+0x170/0x170 [ 350.900901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.906527] ? check_preemption_disabled+0x48/0x200 [ 350.911621] ? __lock_is_held+0xb5/0x140 [ 350.915734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.921324] ? check_preemption_disabled+0x48/0x200 [ 350.926404] run_timer_softirq+0x52/0xb0 [ 350.930520] ? rcu_read_lock_sched_held+0x108/0x120 [ 350.935605] __do_softirq+0x30b/0xad8 [ 350.939478] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 350.944646] ? pvclock_read_flags+0x160/0x160 [ 350.949191] ? lapic_next_event+0x5a/0x90 [ 350.953375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.958960] ? check_preemption_disabled+0x48/0x200 [ 350.964025] ? check_preemption_disabled+0x48/0x200 [ 350.969094] ? kvm_clock_read+0x18/0x30 [ 350.973130] ? kvm_sched_clock_read+0x9/0x20 [ 350.977595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.983189] ? check_preemption_disabled+0x48/0x200 [ 350.988293] irq_exit+0x17f/0x1c0 [ 350.991799] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.996697] ? smp_reschedule_interrupt+0x109/0x650 [ 351.001775] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.007711] ? interrupt_entry+0xb5/0xf0 [ 351.011835] ? trace_hardirqs_off_caller+0xbb/0x300 [ 351.016909] ? trace_hardirqs_off_caller+0xbb/0x300 [ 351.022017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.026920] ? trace_hardirqs_off+0x300/0x300 [ 351.031479] ? trace_hardirqs_off+0x300/0x300 [ 351.036028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.041628] ? check_preemption_disabled+0x48/0x200 [ 351.046704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.053041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.057947] apic_timer_interrupt+0xf/0x20 [ 351.062216] [ 351.064478] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 351.069453] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 351.088515] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 351.096277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.103594] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 351.111020] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 351.118338] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 351.125746] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 351.133121] skb_clone+0x1bb/0x500 [ 351.136709] ? skb_split+0x11e0/0x11e0 [ 351.140734] ? preempt_notifier_register+0x200/0x200 [ 351.145897] ? __switch_to_asm+0x34/0x70 [ 351.150092] ? __switch_to_asm+0x34/0x70 [ 351.154205] ? __switch_to_asm+0x40/0x70 [ 351.158367] ? __switch_to_asm+0x34/0x70 [ 351.163472] ? __switch_to_asm+0x40/0x70 [ 351.167709] ? __switch_to_asm+0x40/0x70 [ 351.171825] ? __switch_to_asm+0x34/0x70 [ 351.175937] ? __switch_to_asm+0x34/0x70 [ 351.180039] ? __switch_to_asm+0x40/0x70 [ 351.184153] ? __switch_to_asm+0x34/0x70 [ 351.188272] bpf_clone_redirect+0xb9/0x490 [ 351.192558] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 351.197636] ? __sched_text_start+0x8/0x8 [ 351.201915] ? retint_kernel+0x2d/0x2d [ 351.205940] ? find_held_lock+0x36/0x1c0 [ 351.210047] ? lock_acquire+0x1ed/0x520 [ 351.214055] ? bpf_test_run+0x32e/0x5a0 [ 351.218175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.223775] ? check_preemption_disabled+0x48/0x200 [ 351.228850] ? kasan_check_read+0x11/0x20 [ 351.233042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.238375] ? rcu_bh_qs+0xc0/0xc0 [ 351.241968] ? preempt_schedule+0x4d/0x60 [ 351.246168] ? ___preempt_schedule+0x16/0x18 [ 351.250662] ? bpf_test_run+0x1c0/0x5a0 [ 351.254703] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.259167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.264788] ? bpf_test_init.isra.9+0x70/0x100 [ 351.269422] ? bpf_prog_test_run_skb+0x634/0xb40 [ 351.274247] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 351.279150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.284746] ? fput+0x130/0x1a0 [ 351.288057] ? __bpf_prog_get+0x9b/0x290 [ 351.292174] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 351.297107] ? bpf_prog_test_run+0x130/0x1a0 [ 351.301570] ? __x64_sys_bpf+0x3d8/0x510 [ 351.305670] ? bpf_prog_get+0x20/0x20 [ 351.309528] ? do_syscall_64+0x1b9/0x820 [ 351.313653] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.319064] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.324037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.328942] ? trace_hardirqs_off+0x300/0x300 [ 351.333489] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.338581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.344230] ? prepare_exit_to_usermode+0x291/0x3b0 [ 351.349302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.354245] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.359683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 351.359799] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.366528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.366546] Call Trace: [ 351.373277] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.382481] dump_stack+0x1c4/0x2b4 [ 351.385046] syz-executor1 cpuset= [ 351.395582] ? dump_stack_print_info.cold.2+0x52/0x52 [ 351.399213] syz1 [ 351.402708] warn_alloc.cold.118+0xb7/0x1bd [ 351.407898] mems_allowed=0 [ 351.409894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.422072] ? lock_downgrade+0x900/0x900 [ 351.426295] ? trace_hardirqs_off+0xb8/0x300 [ 351.430781] ? trace_hardirqs_off+0xb8/0x300 [ 351.435262] __alloc_pages_slowpath+0x2667/0x2d80 [ 351.440202] ? warn_alloc+0x120/0x120 [ 351.444065] ? warn_alloc+0x120/0x120 [ 351.447925] ? print_usage_bug+0xc0/0xc0 [ 351.452039] ? warn_alloc+0x120/0x120 [ 351.455893] ? print_usage_bug+0xc0/0xc0 [ 351.460024] ? __lock_acquire+0x7ec/0x4ec0 [ 351.464316] ? __lock_acquire+0x7ec/0x4ec0 [ 351.468624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.474245] ? should_fail+0x22d/0xd01 [ 351.478203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.483373] ? __lock_acquire+0x7ec/0x4ec0 [ 351.487681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.492862] ? __lock_acquire+0x7ec/0x4ec0 [ 351.497192] ? should_fail+0x22d/0xd01 [ 351.501151] ? mark_held_locks+0x130/0x130 [ 351.505450] ? mark_held_locks+0x130/0x130 [ 351.509757] ? graph_lock+0x170/0x170 [ 351.513612] ? graph_lock+0x170/0x170 [ 351.517491] ? graph_lock+0x170/0x170 [ 351.521350] ? print_usage_bug+0xc0/0xc0 [ 351.525510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.531095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.536674] ? check_preemption_disabled+0x48/0x200 [ 351.541716] ? check_preemption_disabled+0x48/0x200 [ 351.546773] ? __lock_is_held+0xb5/0x140 [ 351.550944] __alloc_pages_nodemask+0xa80/0xde0 [ 351.555629] ? graph_lock+0x170/0x170 [ 351.559469] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 351.564501] ? graph_lock+0x170/0x170 [ 351.568321] ? find_held_lock+0x36/0x1c0 [ 351.572401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.577082] ? lock_downgrade+0x900/0x900 [ 351.581251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.586808] cache_grow_begin+0x91/0x8c0 [ 351.590880] ? do_raw_spin_unlock+0xa7/0x2f0 [ 351.595303] fallback_alloc+0x203/0x2e0 [ 351.599308] ____cache_alloc_node+0x1c7/0x1e0 [ 351.604075] kmem_cache_alloc_node+0xe3/0x730 [ 351.608603] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.612857] __alloc_skb+0x119/0x770 [ 351.616582] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.621981] ? skb_scrub_packet+0x490/0x490 [ 351.626311] ? lock_downgrade+0x900/0x900 [ 351.630489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.636129] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.641589] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.647058] ? addrconf_rs_timer+0x6f0/0x6f0 [ 351.651515] ndisc_alloc_skb+0x144/0x340 [ 351.655595] ndisc_send_rs+0x331/0x6e0 [ 351.659512] addrconf_rs_timer+0x3c0/0x6f0 [ 351.663758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.668010] call_timer_fn+0x272/0x920 [ 351.671900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.676145] ? process_timeout+0x40/0x40 [ 351.680218] ? find_held_lock+0x36/0x1c0 [ 351.684309] ? __run_timers+0x7da/0xc70 [ 351.688306] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.692828] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.697350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.701636] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 351.706264] ? trace_hardirqs_on+0xbd/0x310 [ 351.710642] ? kasan_check_read+0x11/0x20 [ 351.714835] ? __run_timers+0x7da/0xc70 [ 351.718858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.724366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.728745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.733027] __run_timers+0x7e5/0xc70 [ 351.736885] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 351.742281] ? compat_start_thread+0x80/0x80 [ 351.746737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.752332] ? _raw_spin_unlock_irq+0x60/0x80 [ 351.756898] ? finish_task_switch+0x1f5/0x900 [ 351.761446] ? finish_task_switch+0x1b5/0x900 [ 351.766003] ? __switch_to_asm+0x34/0x70 [ 351.770117] ? preempt_notifier_register+0x200/0x200 [ 351.775268] ? __switch_to_asm+0x34/0x70 [ 351.779367] ? __switch_to_asm+0x40/0x70 [ 351.783558] ? __switch_to_asm+0x34/0x70 [ 351.787663] ? __switch_to_asm+0x40/0x70 [ 351.791756] ? __switch_to_asm+0x34/0x70 [ 351.795839] ? __switch_to_asm+0x40/0x70 [ 351.799932] ? __switch_to_asm+0x40/0x70 [ 351.804026] ? pvclock_read_flags+0x160/0x160 [ 351.808553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.814142] ? check_preemption_disabled+0x48/0x200 [ 351.819205] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 351.824799] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.830113] ? rcu_pm_notify+0xc0/0xc0 [ 351.834033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.839603] ? check_preemption_disabled+0x48/0x200 [ 351.844674] run_timer_softirq+0x52/0xb0 [ 351.848767] ? rcu_read_lock_sched_held+0x108/0x120 [ 351.853837] __do_softirq+0x30b/0xad8 [ 351.857686] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 351.862818] ? trace_hardirqs_off_caller+0x300/0x300 [ 351.867954] ? retint_kernel+0x1b/0x2d [ 351.871891] ? schedule+0x108/0x460 [ 351.875555] ? __schedule+0x1ed0/0x1ed0 [ 351.879573] ? trace_hardirqs_off+0xb8/0x300 [ 351.884024] ? ___might_sleep+0x1ed/0x300 [ 351.888205] ? smpboot_thread_fn+0x68b/0xa00 [ 351.892680] ? trace_hardirqs_on+0x310/0x310 [ 351.897132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.902718] ? check_preemption_disabled+0x48/0x200 [ 351.907769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.913364] ? takeover_tasklets+0xa90/0xa90 [ 351.917813] run_ksoftirqd+0x94/0x100 [ 351.921650] smpboot_thread_fn+0x68b/0xa00 [ 351.925929] ? sort_range+0x30/0x30 [ 351.929592] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.934761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.940350] ? __kthread_parkme+0xfb/0x1a0 [ 351.944631] kthread+0x35a/0x420 [ 351.948047] ? sort_range+0x30/0x30 [ 351.951701] ? kthread_bind+0x40/0x40 [ 351.955538] ret_from_fork+0x3a/0x50 [ 351.959295] warn_alloc_show_mem: 1 callbacks suppressed [ 351.959308] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 351.959310] Mem-Info: [ 351.959343] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 351.959343] active_file:18 inactive_file:31 isolated_file:0 [ 351.959343] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.959343] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 351.959343] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 351.959343] free:13670 free_pcp:352 free_cma:0 [ 351.964722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.972027] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.974449] Call Trace: [ 352.007549] Node 0 [ 352.016962] [ 352.044956] 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 [ 352.047541] dump_stack+0x1c4/0x2b4 [ 352.049759] lowmem_reserve[]: 0 [ 352.051937] ? dump_stack_print_info.cold.2+0x52/0x52 [ 352.077432] 2815 [ 352.081151] warn_alloc.cold.118+0xb7/0x1bd [ 352.084401] 6318 [ 352.089638] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.091693] 6318 [ 352.096066] ? lock_downgrade+0x900/0x900 [ 352.102995] ? trace_hardirqs_off+0xb8/0x300 [ 352.105048] Node 0 [ 352.109230] ? trace_hardirqs_off+0xb8/0x300 [ 352.113659] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 352.115928] __alloc_pages_slowpath+0x2667/0x2d80 [ 352.120340] lowmem_reserve[]: 0 [ 352.147150] ? warn_alloc+0x120/0x120 [ 352.151960] 0 [ 352.155270] ? trace_hardirqs_on+0x310/0x310 [ 352.159049] 3503 3503 [ 352.160882] ? warn_alloc+0x120/0x120 [ 352.165279] Node 0 [ 352.167809] ? print_usage_bug+0xc0/0xc0 [ 352.171626] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 352.173855] ? warn_alloc+0x120/0x120 [ 352.177908] lowmem_reserve[]: [ 352.206578] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 352.210380] 0 0 [ 352.213532] ? print_usage_bug+0xc0/0xc0 [ 352.218559] 0 0 [ 352.220573] ? __lock_acquire+0x7ec/0x4ec0 [ 352.224629] Node 0 [ 352.226624] ? __lock_acquire+0x7ec/0x4ec0 [ 352.230850] DMA: 1*4kB [ 352.233123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.237365] (U) [ 352.239968] ? should_fail+0x22d/0xd01 [ 352.245494] 0*8kB 0*16kB [ 352.247512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.251384] 1*32kB [ 352.254180] ? __lock_acquire+0x7ec/0x4ec0 [ 352.259279] (U) [ 352.261534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.265818] 2*64kB [ 352.267844] ? __lock_acquire+0x7ec/0x4ec0 [ 352.272943] (U) [ 352.275198] ? should_fail+0x22d/0xd01 [ 352.279411] 1*128kB (U) [ 352.281422] ? print_usage_bug+0xc0/0xc0 [ 352.285289] 1*256kB (U) [ 352.288003] ? mark_held_locks+0x130/0x130 [ 352.292039] 0*512kB 1*1024kB [ 352.294745] ? mark_held_locks+0x130/0x130 [ 352.298958] (U) 1*2048kB [ 352.302102] ? graph_lock+0x170/0x170 [ 352.306318] (M) 3*4096kB [ 352.309114] ? print_usage_bug+0xc0/0xc0 [ 352.312951] (M) = 15908kB [ 352.315734] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 352.315754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.319804] Node 0 DMA32: [ 352.322590] ? check_preemption_disabled+0x48/0x200 [ 352.327344] 4*4kB [ 352.332906] ? check_preemption_disabled+0x48/0x200 [ 352.332937] ? __lock_is_held+0xb5/0x140 [ 352.335779] (UM) [ 352.340819] __alloc_pages_nodemask+0xa80/0xde0 [ 352.342948] 1*8kB (M) [ 352.347997] ? graph_lock+0x170/0x170 [ 352.352047] 3*16kB (M) [ 352.354145] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 352.358790] 3*32kB (M) [ 352.361315] ? graph_lock+0x170/0x170 [ 352.365094] 1*64kB (M) [ 352.367725] ? find_held_lock+0x36/0x1c0 [ 352.372731] 3*128kB [ 352.375345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.379136] (UM) [ 352.381734] ? lock_downgrade+0x900/0x900 [ 352.385779] 3*256kB (UM) [ 352.388168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.392814] 4*512kB (UM) [ 352.394914] cache_grow_begin+0x91/0x8c0 [ 352.399044] 3*1024kB [ 352.401819] ? do_raw_spin_unlock+0xa7/0x2f0 [ 352.407363] (M) 3*2048kB [ 352.410166] fallback_alloc+0x203/0x2e0 [ 352.414199] (M) 3*4096kB [ 352.416650] ____cache_alloc_node+0x1c7/0x1e0 [ 352.421047] (M) [ 352.423827] kmem_cache_alloc_node+0xe3/0x730 [ 352.427786] = 24936kB [ 352.430570] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.435053] Node 0 [ 352.437050] __alloc_skb+0x119/0x770 [ 352.441516] Normal: 1267*4kB [ 352.443960] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.448213] (UMEH) [ 352.450478] ? skb_scrub_packet+0x490/0x490 [ 352.454160] 430*8kB (UMEH) [ 352.457294] ? lock_downgrade+0x900/0x900 [ 352.462554] 212*16kB [ 352.464793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.486460] (UMEH) 35*32kB [ 352.489435] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.493565] (MH) 9*64kB [ 352.496027] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.501543] (MH) 1*128kB [ 352.504532] ? addrconf_rs_timer+0x6f0/0x6f0 [ 352.509976] (H) [ 352.512675] ndisc_alloc_skb+0x144/0x340 [ 352.518116] 1*256kB [ 352.520908] ndisc_send_rs+0x331/0x6e0 [ 352.525307] (H) [ 352.527309] addrconf_rs_timer+0x3c0/0x6f0 [ 352.531338] 0*512kB 0*1024kB [ 352.533705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.537565] 0*2048kB 0*4096kB [ 352.539581] call_timer_fn+0x272/0x920 [ 352.543784] = 13980kB [ 352.543801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.546921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.551144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.551155] 4516 total pagecache pages [ 352.554376] ? process_timeout+0x40/0x40 [ 352.558252] 0 pages in swap cache [ 352.560673] ? find_held_lock+0x36/0x1c0 [ 352.560700] ? __run_timers+0x7da/0xc70 [ 352.569541] Swap cache stats: add 0, delete 0, find 0/0 [ 352.573799] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.582407] Free swap = 0kB [ 352.582420] Total swap = 0kB [ 352.586368] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.590425] 1965979 pages RAM [ 352.590437] 0 pages HighMem/MovableOnly [ 352.593935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.597998] 343324 pages reserved [ 352.602017] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.607364] 0 pages cma reserved [ 352.607494] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.611910] ? trace_hardirqs_on+0xbd/0x310 [ 352.611925] ? kasan_check_read+0x11/0x20 [ 352.611941] ? __run_timers+0x7da/0xc70 [ 352.611955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.611978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.645525] ODEBUG: Out of memory. ODEBUG disabled [ 352.651811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.651828] __run_timers+0x7e5/0xc70 [ 352.651855] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 352.651866] ? check_preemption_disabled+0x48/0x200 [ 352.651889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.697744] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.703257] ? rcu_irq_exit+0xce/0x100 [ 352.713583] ksoftirqd/0 cpuset=/ [ 352.717499] ? irq_exit+0xbd/0x1c0 [ 352.717522] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 352.720882] mems_allowed=0 [ 352.732401] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 352.737194] ? retint_kernel+0x2d/0x2d [ 352.741109] ? trace_hardirqs_on_caller+0xc0/0x300 [ 352.746080] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 352.750876] ? trace_hardirqs_off_caller+0x300/0x300 [ 352.756035] ? graph_lock+0x170/0x170 [ 352.759869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.765436] ? check_preemption_disabled+0x48/0x200 [ 352.770511] ? __lock_is_held+0xb5/0x140 [ 352.774603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.780169] ? check_preemption_disabled+0x48/0x200 [ 352.785224] run_timer_softirq+0x52/0xb0 [ 352.789313] ? rcu_read_lock_sched_held+0x108/0x120 [ 352.794368] __do_softirq+0x30b/0xad8 [ 352.798203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 352.803346] ? pvclock_read_flags+0x160/0x160 [ 352.807894] ? lapic_next_event+0x5a/0x90 [ 352.812067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.817665] ? check_preemption_disabled+0x48/0x200 [ 352.822717] ? check_preemption_disabled+0x48/0x200 [ 352.827793] ? kvm_clock_read+0x18/0x30 [ 352.831803] ? kvm_sched_clock_read+0x9/0x20 [ 352.836242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.841811] ? check_preemption_disabled+0x48/0x200 [ 352.846871] irq_exit+0x17f/0x1c0 [ 352.850364] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.855241] ? smp_reschedule_interrupt+0x109/0x650 [ 352.860304] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.866232] ? interrupt_entry+0xb5/0xf0 [ 352.870327] ? trace_hardirqs_off_caller+0xbb/0x300 [ 352.875376] ? trace_hardirqs_off_caller+0xbb/0x300 [ 352.880432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.885325] ? trace_hardirqs_off+0x300/0x300 [ 352.889853] ? trace_hardirqs_off+0x300/0x300 [ 352.894387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.899977] ? check_preemption_disabled+0x48/0x200 [ 352.905034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.910648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.915547] apic_timer_interrupt+0xf/0x20 [ 352.919811] [ 352.922067] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 352.927028] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 352.945968] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 352.953713] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 352.961008] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 352.968322] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 352.975634] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 352.983023] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 352.990384] skb_clone+0x1bb/0x500 [ 352.993961] ? skb_split+0x11e0/0x11e0 [ 352.997912] ? preempt_notifier_register+0x200/0x200 [ 353.003051] ? __switch_to_asm+0x34/0x70 [ 353.007156] ? __switch_to_asm+0x34/0x70 [ 353.011251] ? __switch_to_asm+0x40/0x70 [ 353.015345] ? __switch_to_asm+0x34/0x70 [ 353.019549] ? __switch_to_asm+0x40/0x70 [ 353.023653] ? __switch_to_asm+0x40/0x70 [ 353.027760] ? __switch_to_asm+0x34/0x70 [ 353.031864] ? __switch_to_asm+0x34/0x70 [ 353.035980] ? __switch_to_asm+0x40/0x70 [ 353.040066] ? __switch_to_asm+0x34/0x70 [ 353.044187] bpf_clone_redirect+0xb9/0x490 [ 353.048487] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 353.054175] ? __sched_text_start+0x8/0x8 [ 353.060229] ? retint_kernel+0x2d/0x2d [ 353.064176] ? find_held_lock+0x36/0x1c0 [ 353.068327] ? lock_acquire+0x1ed/0x520 [ 353.072434] ? bpf_test_run+0x32e/0x5a0 [ 353.076450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.082038] ? check_preemption_disabled+0x48/0x200 [ 353.087099] ? kasan_check_read+0x11/0x20 [ 353.091316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.096643] ? rcu_bh_qs+0xc0/0xc0 [ 353.100225] ? preempt_schedule+0x4d/0x60 [ 353.104409] ? ___preempt_schedule+0x16/0x18 [ 353.108875] ? bpf_test_run+0x1c0/0x5a0 [ 353.112894] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.117347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.122936] ? bpf_test_init.isra.9+0x70/0x100 [ 353.127586] ? bpf_prog_test_run_skb+0x634/0xb40 [ 353.132404] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 353.137286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.142878] ? fput+0x130/0x1a0 [ 353.146195] ? __bpf_prog_get+0x9b/0x290 [ 353.150309] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 353.155202] ? bpf_prog_test_run+0x130/0x1a0 [ 353.160187] ? __x64_sys_bpf+0x3d8/0x510 [ 353.164287] ? bpf_prog_get+0x20/0x20 [ 353.168158] ? do_syscall_64+0x1b9/0x820 [ 353.172272] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.177714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.182714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.187652] ? trace_hardirqs_off+0x300/0x300 [ 353.192209] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.197287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.202997] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.208075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.212993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.218434] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 353.218564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.225282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.225291] Call Trace: [ 353.225337] dump_stack+0x1c4/0x2b4 [ 353.225352] ? dump_stack_print_info.cold.2+0x52/0x52 [ 353.225378] warn_alloc.cold.118+0xb7/0x1bd [ 353.225393] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.225413] ? lock_downgrade+0x900/0x900 [ 353.225440] ? trace_hardirqs_off+0xb8/0x300 [ 353.232159] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.241376] ? trace_hardirqs_off+0xb8/0x300 [ 353.243954] syz-executor1 cpuset= [ 353.247620] __alloc_pages_slowpath+0x2667/0x2d80 [ 353.252835] syz1 [ 353.257248] ? warn_alloc+0x120/0x120 [ 353.262052] mems_allowed=0 [ 353.302678] ? warn_alloc+0x120/0x120 [ 353.306540] ? print_usage_bug+0xc0/0xc0 [ 353.310664] ? warn_alloc+0x120/0x120 [ 353.314541] ? print_usage_bug+0xc0/0xc0 [ 353.318684] ? lock_downgrade+0x900/0x900 [ 353.322898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.328501] ? should_fail+0x22d/0xd01 [ 353.332440] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.336917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.342071] ? __lock_acquire+0x7ec/0x4ec0 [ 353.346361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.351519] ? __lock_acquire+0x7ec/0x4ec0 [ 353.355824] ? should_fail+0x22d/0xd01 [ 353.359765] ? ret_from_fork+0x3a/0x50 [ 353.363740] ? mark_held_locks+0x130/0x130 [ 353.368038] ? mark_held_locks+0x130/0x130 [ 353.372329] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 353.378298] ? ret_from_fork+0x3a/0x50 [ 353.382249] ? unwind_dump+0x190/0x190 [ 353.386191] ? plist_requeue+0x620/0x620 [ 353.390310] ? graph_lock+0x170/0x170 [ 353.394180] ? print_usage_bug+0xc0/0xc0 [ 353.398317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.403921] ? check_preemption_disabled+0x48/0x200 [ 353.408983] ? check_preemption_disabled+0x48/0x200 [ 353.414063] ? __lock_is_held+0xb5/0x140 [ 353.418198] __alloc_pages_nodemask+0xa80/0xde0 [ 353.422937] ? graph_lock+0x170/0x170 [ 353.426825] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 353.431899] ? graph_lock+0x170/0x170 [ 353.435775] ? find_held_lock+0x36/0x1c0 [ 353.439917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.444653] ? lock_downgrade+0x900/0x900 [ 353.448912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.454529] cache_grow_begin+0x91/0x8c0 [ 353.458665] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.463170] fallback_alloc+0x203/0x2e0 [ 353.467226] ____cache_alloc_node+0x1c7/0x1e0 [ 353.471764] kmem_cache_alloc_node+0xe3/0x730 [ 353.476285] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.480574] __alloc_skb+0x119/0x770 [ 353.484333] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.489673] ? skb_scrub_packet+0x490/0x490 [ 353.494053] ? lock_downgrade+0x900/0x900 [ 353.498381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.503979] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.509505] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.515025] ? addrconf_rs_timer+0x6f0/0x6f0 [ 353.519541] ndisc_alloc_skb+0x144/0x340 [ 353.523693] ndisc_send_rs+0x331/0x6e0 [ 353.527648] addrconf_rs_timer+0x3c0/0x6f0 [ 353.531975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.536295] call_timer_fn+0x272/0x920 [ 353.540241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.544576] ? process_timeout+0x40/0x40 [ 353.548707] ? find_held_lock+0x36/0x1c0 [ 353.552843] ? __run_timers+0x7da/0xc70 [ 353.556875] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.561451] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.566016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.570311] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 353.574953] ? trace_hardirqs_on+0xbd/0x310 [ 353.579326] ? kasan_check_read+0x11/0x20 [ 353.583545] ? __run_timers+0x7da/0xc70 [ 353.587604] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.593131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.597435] __run_timers+0x7e5/0xc70 [ 353.601319] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 353.606735] ? compat_start_thread+0x80/0x80 [ 353.611211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.616848] ? _raw_spin_unlock_irq+0x60/0x80 [ 353.621423] ? finish_task_switch+0x1f5/0x900 [ 353.625985] ? finish_task_switch+0x1b5/0x900 [ 353.630549] ? __switch_to_asm+0x34/0x70 [ 353.634684] ? preempt_notifier_register+0x200/0x200 [ 353.639868] ? __switch_to_asm+0x34/0x70 [ 353.643990] ? __switch_to_asm+0x40/0x70 [ 353.648094] ? __switch_to_asm+0x34/0x70 [ 353.652213] ? __switch_to_asm+0x40/0x70 [ 353.656335] ? __switch_to_asm+0x34/0x70 [ 353.660456] ? __switch_to_asm+0x40/0x70 [ 353.664587] ? __switch_to_asm+0x40/0x70 [ 353.668722] ? pvclock_read_flags+0x160/0x160 [ 353.673278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.678903] ? check_preemption_disabled+0x48/0x200 [ 353.684000] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.689377] ? rcu_pm_notify+0xc0/0xc0 [ 353.693332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.698943] ? check_preemption_disabled+0x48/0x200 [ 353.704028] run_timer_softirq+0x52/0xb0 [ 353.708171] ? rcu_read_lock_sched_held+0x108/0x120 [ 353.713257] __do_softirq+0x30b/0xad8 [ 353.717125] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 353.722315] ? trace_hardirqs_off_caller+0x300/0x300 [ 353.727483] ? retint_kernel+0x1b/0x2d [ 353.731444] ? schedule+0x108/0x460 [ 353.735150] ? __schedule+0x1ed0/0x1ed0 [ 353.739182] ? trace_hardirqs_off+0xb8/0x300 [ 353.743646] ? ___might_sleep+0x1ed/0x300 [ 353.747844] ? smpboot_thread_fn+0x68b/0xa00 [ 353.752310] ? trace_hardirqs_on+0x310/0x310 [ 353.756792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.762393] ? check_preemption_disabled+0x48/0x200 [ 353.767488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.773084] ? takeover_tasklets+0xa90/0xa90 [ 353.777571] run_ksoftirqd+0x94/0x100 [ 353.781431] smpboot_thread_fn+0x68b/0xa00 [ 353.785760] ? sort_range+0x30/0x30 [ 353.789458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.794644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.800250] ? __kthread_parkme+0xfb/0x1a0 [ 353.804559] kthread+0x35a/0x420 [ 353.807989] ? sort_range+0x30/0x30 [ 353.811677] ? kthread_bind+0x40/0x40 [ 353.815558] ret_from_fork+0x3a/0x50 [ 353.819344] warn_alloc_show_mem: 1 callbacks suppressed [ 353.819359] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 353.819362] Mem-Info: [ 353.819396] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 353.819396] active_file:18 inactive_file:31 isolated_file:0 [ 353.819396] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.819396] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 353.819396] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 353.819396] free:13670 free_pcp:352 free_cma:0 [ 353.824778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.824797] Call Trace: [ 353.832124] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.834550] [ 353.867625] Node 0 [ 353.877042] dump_stack+0x1c4/0x2b4 [ 353.879650] 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 [ 353.907716] ? dump_stack_print_info.cold.2+0x52/0x52 [ 353.909844] lowmem_reserve[]: 0 [ 353.912134] warn_alloc.cold.118+0xb7/0x1bd [ 353.915747] 2815 [ 353.941309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.946511] 6318 [ 353.949875] ? lock_downgrade+0x900/0x900 [ 353.954175] 6318 [ 353.956299] ? trace_hardirqs_off+0xb8/0x300 [ 353.961227] Node 0 [ 353.963331] ? trace_hardirqs_off+0xb8/0x300 [ 353.967496] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 353.969555] __alloc_pages_slowpath+0x2667/0x2d80 [ 353.973949] lowmem_reserve[]: [ 353.976250] ? warn_alloc+0x120/0x120 [ 353.980600] 0 0 [ 354.007523] ? trace_hardirqs_on+0x310/0x310 [ 354.012357] 3503 3503 [ 354.015533] ? warn_alloc+0x120/0x120 [ 354.021328] ? print_usage_bug+0xc0/0xc0 [ 354.025739] Node 0 [ 354.028279] ? warn_alloc+0x120/0x120 [ 354.032074] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 354.036154] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.038366] lowmem_reserve[]: 0 [ 354.042223] ? print_usage_bug+0xc0/0xc0 [ 354.071776] 0 [ 354.076852] ? __lock_acquire+0x7ec/0x4ec0 [ 354.080125] 0 0 [ 354.084260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.086041] Node 0 [ 354.090346] ? should_fail+0x22d/0xd01 [ 354.092296] DMA: 1*4kB [ 354.097907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.100132] (U) [ 354.104053] ? __lock_acquire+0x7ec/0x4ec0 [ 354.106638] 0*8kB [ 354.111790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.113737] 0*16kB 1*32kB [ 354.118043] ? __lock_acquire+0x7ec/0x4ec0 [ 354.120186] (U) [ 354.125332] ? should_fail+0x22d/0xd01 [ 354.128164] 2*64kB (U) [ 354.132445] ? print_usage_bug+0xc0/0xc0 [ 354.134398] 1*128kB [ 354.138350] ? mark_held_locks+0x130/0x130 [ 354.140905] (U) [ 354.144994] ? mark_held_locks+0x130/0x130 [ 354.147332] 1*256kB (U) [ 354.151590] ? graph_lock+0x170/0x170 [ 354.153565] 0*512kB 1*1024kB [ 354.157815] ? print_usage_bug+0xc0/0xc0 [ 354.160470] (U) 1*2048kB [ 354.164493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.167595] (M) [ 354.171768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.174510] 3*4096kB [ 354.179258] ? check_preemption_disabled+0x48/0x200 [ 354.181218] (M) [ 354.186795] ? check_preemption_disabled+0x48/0x200 [ 354.189188] = 15908kB [ 354.194244] ? __lock_is_held+0xb5/0x140 [ 354.196203] Node 0 [ 354.201286] __alloc_pages_nodemask+0xa80/0xde0 [ 354.203690] DMA32: [ 354.207779] ? graph_lock+0x170/0x170 [ 354.210004] 4*4kB [ 354.214709] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 354.216934] (UM) [ 354.220755] ? graph_lock+0x170/0x170 [ 354.222891] 1*8kB [ 354.227940] ? find_held_lock+0x36/0x1c0 [ 354.229985] (M) [ 354.233814] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.235949] 3*16kB [ 354.240036] ? lock_downgrade+0x900/0x900 [ 354.242001] (M) [ 354.246715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.248934] 3*32kB [ 354.253103] cache_grow_begin+0x91/0x8c0 [ 354.255058] (M) 1*64kB [ 354.260643] ? do_raw_spin_unlock+0xa7/0x2f0 [ 354.262866] (M) [ 354.266983] fallback_alloc+0x203/0x2e0 [ 354.269555] 3*128kB [ 354.273995] ____cache_alloc_node+0x1c7/0x1e0 [ 354.275953] (UM) [ 354.279953] kmem_cache_alloc_node+0xe3/0x730 [ 354.282264] 3*256kB (UM) [ 354.286808] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.288863] 4*512kB [ 354.293395] __alloc_skb+0x119/0x770 [ 354.296393] (UM) 3*1024kB [ 354.300671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.302983] (M) [ 354.306721] ? skb_scrub_packet+0x490/0x490 [ 354.309556] 3*2048kB (M) [ 354.314871] ? lock_downgrade+0x900/0x900 [ 354.316833] 3*4096kB [ 354.321170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.323911] (M) [ 354.328081] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.330479] = 24936kB [ 354.330489] Node 0 [ 354.336049] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.338016] Normal: [ 354.343494] ? addrconf_rs_timer+0x6f0/0x6f0 [ 354.345886] 1267*4kB [ 354.348147] ndisc_alloc_skb+0x144/0x340 [ 354.353628] (UMEH) [ 354.355975] ndisc_send_rs+0x331/0x6e0 [ 354.360382] 430*8kB [ 354.362815] addrconf_rs_timer+0x3c0/0x6f0 [ 354.366866] (UMEH) [ 354.369133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.373003] 212*16kB (UMEH) [ 354.375376] call_timer_fn+0x272/0x920 [ 354.379587] 35*32kB (MH) [ 354.381861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.386071] 9*64kB (MH) [ 354.389125] ? process_timeout+0x40/0x40 [ 354.392998] 1*128kB (H) [ 354.395786] ? find_held_lock+0x36/0x1c0 [ 354.395815] ? __run_timers+0x7da/0xc70 [ 354.400037] 1*256kB (H) [ 354.402746] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.406826] 0*512kB 0*1024kB [ 354.409556] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.413610] 0*2048kB 0*4096kB [ 354.417644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.417668] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.420351] = 13980kB [ 354.424869] ? trace_hardirqs_on+0xbd/0x310 [ 354.428001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 354.432531] ? kasan_check_read+0x11/0x20 [ 354.435738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.440006] ? __run_timers+0x7da/0xc70 [ 354.444588] 4516 total pagecache pages [ 354.447028] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.451359] 0 pages in swap cache [ 354.460235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.464389] Swap cache stats: add 0, delete 0, find 0/0 [ 354.473036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.477006] Free swap = 0kB [ 354.477019] Total swap = 0kB [ 354.480942] __run_timers+0x7e5/0xc70 [ 354.486424] 1965979 pages RAM [ 354.489916] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 354.494133] 0 pages HighMem/MovableOnly [ 354.494146] 343324 pages reserved [ 354.499546] ? check_preemption_disabled+0x48/0x200 [ 354.503785] 0 pages cma reserved [ 354.506830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.509944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.513675] ? rcu_irq_exit+0xce/0x100 [ 354.516865] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.522169] ? irq_exit+0xbd/0x1c0 [ 354.526141] ksoftirqd/0 cpuset= [ 354.529632] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 354.534674] / [ 354.538068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.543661] mems_allowed=0 [ 354.550192] ? retint_kernel+0x2d/0x2d [ 354.589626] ? trace_hardirqs_on_caller+0xc0/0x300 [ 354.594611] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.599421] ? trace_hardirqs_off_caller+0x300/0x300 [ 354.604587] ? graph_lock+0x170/0x170 [ 354.608448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.614058] ? check_preemption_disabled+0x48/0x200 [ 354.619145] ? __lock_is_held+0xb5/0x140 [ 354.623262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.628890] ? check_preemption_disabled+0x48/0x200 [ 354.633973] run_timer_softirq+0x52/0xb0 [ 354.638067] ? rcu_read_lock_sched_held+0x108/0x120 [ 354.643145] __do_softirq+0x30b/0xad8 [ 354.647186] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 354.652374] ? pvclock_read_flags+0x160/0x160 [ 354.656923] ? lapic_next_event+0x5a/0x90 [ 354.661120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.666702] ? check_preemption_disabled+0x48/0x200 [ 354.671764] ? check_preemption_disabled+0x48/0x200 [ 354.676835] ? kvm_clock_read+0x18/0x30 [ 354.680857] ? kvm_sched_clock_read+0x9/0x20 [ 354.685338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.690933] ? check_preemption_disabled+0x48/0x200 [ 354.696016] irq_exit+0x17f/0x1c0 [ 354.699523] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.704408] ? smp_reschedule_interrupt+0x109/0x650 [ 354.709492] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.715425] ? interrupt_entry+0xb5/0xf0 [ 354.719543] ? trace_hardirqs_off_caller+0xbb/0x300 [ 354.724606] ? trace_hardirqs_off_caller+0xbb/0x300 [ 354.729670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.734555] ? trace_hardirqs_off+0x300/0x300 [ 354.739080] ? trace_hardirqs_off+0x300/0x300 [ 354.743628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.749211] ? check_preemption_disabled+0x48/0x200 [ 354.754349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.759936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.764824] apic_timer_interrupt+0xf/0x20 [ 354.769095] [ 354.771372] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 354.776336] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 354.795265] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 354.803010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 354.810321] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 354.817623] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 354.824917] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 354.832220] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 354.839575] skb_clone+0x1bb/0x500 [ 354.843178] ? skb_split+0x11e0/0x11e0 [ 354.847103] ? preempt_notifier_register+0x200/0x200 [ 354.852248] ? __switch_to_asm+0x34/0x70 [ 354.856346] ? __switch_to_asm+0x34/0x70 [ 354.860432] ? __switch_to_asm+0x40/0x70 [ 354.864521] ? __switch_to_asm+0x34/0x70 [ 354.868621] ? __switch_to_asm+0x40/0x70 [ 354.872715] ? __switch_to_asm+0x40/0x70 [ 354.877621] ? __switch_to_asm+0x34/0x70 [ 354.881717] ? __switch_to_asm+0x34/0x70 [ 354.885814] ? __switch_to_asm+0x40/0x70 [ 354.889918] ? __switch_to_asm+0x34/0x70 [ 354.894027] bpf_clone_redirect+0xb9/0x490 [ 354.898315] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 354.903371] ? __sched_text_start+0x8/0x8 [ 354.907558] ? retint_kernel+0x2d/0x2d [ 354.911576] ? find_held_lock+0x36/0x1c0 [ 354.915678] ? lock_acquire+0x1ed/0x520 [ 354.919685] ? bpf_test_run+0x32e/0x5a0 [ 354.923691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.929271] ? check_preemption_disabled+0x48/0x200 [ 354.934363] ? kasan_check_read+0x11/0x20 [ 354.938575] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.943899] ? rcu_bh_qs+0xc0/0xc0 [ 354.947488] ? preempt_schedule+0x4d/0x60 [ 354.951698] ? ___preempt_schedule+0x16/0x18 [ 354.956213] ? bpf_test_run+0x1c0/0x5a0 [ 354.960274] ? netlink_diag_dump+0x2a0/0x2a0 [ 354.964742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.970338] ? bpf_test_init.isra.9+0x70/0x100 [ 354.975010] ? bpf_prog_test_run_skb+0x634/0xb40 [ 354.979837] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 354.984730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.990326] ? fput+0x130/0x1a0 [ 354.993652] ? __bpf_prog_get+0x9b/0x290 [ 354.997769] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.002683] ? bpf_prog_test_run+0x130/0x1a0 [ 355.007167] ? __x64_sys_bpf+0x3d8/0x510 [ 355.011303] ? bpf_prog_get+0x20/0x20 [ 355.015179] ? do_syscall_64+0x1b9/0x820 [ 355.019344] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.024765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.029731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.035127] ? trace_hardirqs_off+0x300/0x300 [ 355.039700] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.044775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.050368] ? prepare_exit_to_usermode+0x291/0x3b0 [ 355.055442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.060399] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.065839] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 355.065947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.072644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.072652] Call Trace: [ 355.072690] dump_stack+0x1c4/0x2b4 [ 355.072711] ? dump_stack_print_info.cold.2+0x52/0x52 [ 355.072738] warn_alloc.cold.118+0xb7/0x1bd [ 355.072761] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.079442] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.088722] ? lock_downgrade+0x900/0x900 [ 355.091282] syz-executor1 cpuset= [ 355.094944] ? trace_hardirqs_off+0xb8/0x300 [ 355.100148] syz1 [ 355.104540] ? trace_hardirqs_off+0xb8/0x300 [ 355.109389] mems_allowed=0 [ 355.119910] __alloc_pages_slowpath+0x2667/0x2d80 [ 355.146291] ? warn_alloc+0x120/0x120 [ 355.150156] ? warn_alloc+0x120/0x120 [ 355.154002] ? print_usage_bug+0xc0/0xc0 [ 355.158106] ? warn_alloc+0x120/0x120 [ 355.161959] ? print_usage_bug+0xc0/0xc0 [ 355.166055] ? __lock_acquire+0x7ec/0x4ec0 [ 355.170385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.176480] ? should_fail+0x22d/0xd01 [ 355.180414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.185596] ? __lock_acquire+0x7ec/0x4ec0 [ 355.189888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.195029] ? __lock_acquire+0x7ec/0x4ec0 [ 355.199304] ? should_fail+0x22d/0xd01 [ 355.203322] ? mark_held_locks+0x130/0x130 [ 355.207827] ? mark_held_locks+0x130/0x130 [ 355.212188] ? graph_lock+0x170/0x170 [ 355.216016] ? graph_lock+0x170/0x170 [ 355.219847] ? graph_lock+0x170/0x170 [ 355.223718] ? print_usage_bug+0xc0/0xc0 [ 355.227811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.233393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.238975] ? check_preemption_disabled+0x48/0x200 [ 355.244031] ? check_preemption_disabled+0x48/0x200 [ 355.249112] ? __lock_is_held+0xb5/0x140 [ 355.253307] __alloc_pages_nodemask+0xa80/0xde0 [ 355.258023] ? graph_lock+0x170/0x170 [ 355.261873] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 355.266929] ? graph_lock+0x170/0x170 [ 355.270788] ? find_held_lock+0x36/0x1c0 [ 355.274900] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.279653] ? lock_downgrade+0x900/0x900 [ 355.283896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.289514] cache_grow_begin+0x91/0x8c0 [ 355.293620] ? do_raw_spin_unlock+0xa7/0x2f0 [ 355.298085] fallback_alloc+0x203/0x2e0 [ 355.302120] ____cache_alloc_node+0x1c7/0x1e0 [ 355.306674] kmem_cache_alloc_node+0xe3/0x730 [ 355.311220] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.315507] __alloc_skb+0x119/0x770 [ 355.319267] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.324637] ? skb_scrub_packet+0x490/0x490 [ 355.330256] ? lock_downgrade+0x900/0x900 [ 355.334466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.340048] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.345563] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.351060] ? addrconf_rs_timer+0x6f0/0x6f0 [ 355.355561] ndisc_alloc_skb+0x144/0x340 [ 355.359707] ndisc_send_rs+0x331/0x6e0 [ 355.363650] addrconf_rs_timer+0x3c0/0x6f0 [ 355.367937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.372231] call_timer_fn+0x272/0x920 [ 355.376156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.380442] ? process_timeout+0x40/0x40 [ 355.384631] ? find_held_lock+0x36/0x1c0 [ 355.388746] ? __run_timers+0x7da/0xc70 [ 355.392759] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.397318] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.401858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.406129] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 355.410753] ? trace_hardirqs_on+0xbd/0x310 [ 355.415110] ? kasan_check_read+0x11/0x20 [ 355.419311] ? __run_timers+0x7da/0xc70 [ 355.423332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.428844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.433131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.437418] __run_timers+0x7e5/0xc70 [ 355.441293] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 355.446707] ? compat_start_thread+0x80/0x80 [ 355.451167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.456760] ? _raw_spin_unlock_irq+0x60/0x80 [ 355.461312] ? finish_task_switch+0x1f5/0x900 [ 355.465851] ? finish_task_switch+0x1b5/0x900 [ 355.470410] ? __switch_to_asm+0x34/0x70 [ 355.474527] ? preempt_notifier_register+0x200/0x200 [ 355.479689] ? __switch_to_asm+0x34/0x70 [ 355.483819] ? __switch_to_asm+0x40/0x70 [ 355.487922] ? __switch_to_asm+0x34/0x70 [ 355.492032] ? __switch_to_asm+0x40/0x70 [ 355.496131] ? __switch_to_asm+0x34/0x70 [ 355.500237] ? __switch_to_asm+0x40/0x70 [ 355.504376] ? __switch_to_asm+0x40/0x70 [ 355.508514] ? pvclock_read_flags+0x160/0x160 [ 355.513059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.518662] ? check_preemption_disabled+0x48/0x200 [ 355.523800] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.529164] ? rcu_pm_notify+0xc0/0xc0 [ 355.533120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.538723] ? check_preemption_disabled+0x48/0x200 [ 355.544590] run_timer_softirq+0x52/0xb0 [ 355.548709] ? rcu_read_lock_sched_held+0x108/0x120 [ 355.553795] __do_softirq+0x30b/0xad8 [ 355.557677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 355.562841] ? trace_hardirqs_off_caller+0x300/0x300 [ 355.568002] ? retint_kernel+0x1b/0x2d [ 355.571960] ? schedule+0x108/0x460 [ 355.575655] ? __schedule+0x1ed0/0x1ed0 [ 355.579711] ? trace_hardirqs_off+0xb8/0x300 [ 355.584175] ? ___might_sleep+0x1ed/0x300 [ 355.588367] ? smpboot_thread_fn+0x68b/0xa00 [ 355.592835] ? trace_hardirqs_on+0x310/0x310 [ 355.597300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.602916] ? check_preemption_disabled+0x48/0x200 [ 355.607991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.613593] ? takeover_tasklets+0xa90/0xa90 [ 355.618077] run_ksoftirqd+0x94/0x100 [ 355.621948] smpboot_thread_fn+0x68b/0xa00 [ 355.626253] ? sort_range+0x30/0x30 [ 355.629953] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.635128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.640740] ? __kthread_parkme+0xfb/0x1a0 [ 355.645043] kthread+0x35a/0x420 [ 355.648479] ? sort_range+0x30/0x30 [ 355.652151] ? kthread_bind+0x40/0x40 [ 355.656018] ret_from_fork+0x3a/0x50 [ 355.659808] warn_alloc_show_mem: 1 callbacks suppressed [ 355.659824] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 355.659827] Mem-Info: [ 355.659862] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 355.659862] active_file:18 inactive_file:31 isolated_file:0 [ 355.659862] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.659862] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 355.659862] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 355.659862] free:13670 free_pcp:352 free_cma:0 [ 355.665242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.665261] Call Trace: [ 355.672706] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.675134] [ 355.708245] Node 0 [ 355.717673] dump_stack+0x1c4/0x2b4 [ 355.720283] 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 [ 355.748233] ? dump_stack_print_info.cold.2+0x52/0x52 [ 355.750356] lowmem_reserve[]: 0 [ 355.752642] warn_alloc.cold.118+0xb7/0x1bd [ 355.756250] 2815 [ 355.781803] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.786986] 6318 6318 [ 355.790333] ? lock_downgrade+0x900/0x900 [ 355.794651] Node 0 [ 355.796762] ? trace_hardirqs_off+0xb8/0x300 [ 355.801627] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 355.804139] ? trace_hardirqs_off+0xb8/0x300 [ 355.808262] lowmem_reserve[]: 0 [ 355.810581] __alloc_pages_slowpath+0x2667/0x2d80 [ 355.814951] 0 3503 [ 355.841763] ? warn_alloc+0x120/0x120 [ 355.846154] 3503 [ 355.849482] ? trace_hardirqs_on+0x310/0x310 [ 355.854335] Node 0 [ 355.856611] ? warn_alloc+0x120/0x120 [ 355.860431] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 355.862501] ? print_usage_bug+0xc0/0xc0 [ 355.866904] lowmem_reserve[]: [ 355.869165] ? warn_alloc+0x120/0x120 [ 355.872949] 0 0 [ 355.902814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.906883] 0 [ 355.910029] ? print_usage_bug+0xc0/0xc0 [ 355.913806] 0 [ 355.915832] ? __lock_acquire+0x7ec/0x4ec0 [ 355.920843] Node 0 [ 355.922696] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.926732] DMA: 1*4kB [ 355.928595] ? should_fail+0x22d/0xd01 [ 355.932819] (U) [ 355.935092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.940635] 0*8kB 0*16kB [ 355.943285] ? __lock_acquire+0x7ec/0x4ec0 [ 355.947159] 1*32kB [ 355.949173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.954282] (U) [ 355.957081] ? __lock_acquire+0x7ec/0x4ec0 [ 355.961327] 2*64kB (U) [ 355.963624] ? should_fail+0x22d/0xd01 [ 355.968717] 1*128kB (U) [ 355.970757] ? print_usage_bug+0xc0/0xc0 [ 355.974973] 1*256kB (U) [ 355.977640] ? mark_held_locks+0x130/0x130 [ 355.981529] 0*512kB [ 355.984245] ? mark_held_locks+0x130/0x130 [ 355.988303] 1*1024kB (U) [ 355.991062] ? graph_lock+0x170/0x170 [ 355.995304] 1*2048kB (M) [ 355.997727] ? print_usage_bug+0xc0/0xc0 [ 356.001952] 3*4096kB (M) [ 356.004779] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.008568] = 15908kB [ 356.011372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.015431] Node 0 [ 356.018220] ? check_preemption_disabled+0x48/0x200 [ 356.023001] DMA32: [ 356.025454] ? check_preemption_disabled+0x48/0x200 [ 356.031078] 4*4kB [ 356.033363] ? __lock_is_held+0xb5/0x140 [ 356.038358] (UM) [ 356.040632] __alloc_pages_nodemask+0xa80/0xde0 [ 356.045636] 1*8kB [ 356.047823] ? graph_lock+0x170/0x170 [ 356.051851] (M) 3*16kB [ 356.053972] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 356.058639] (M) [ 356.060821] ? graph_lock+0x170/0x170 [ 356.064802] 3*32kB (M) [ 356.067461] ? find_held_lock+0x36/0x1c0 [ 356.072478] 1*64kB (M) [ 356.074524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.078329] 3*128kB (UM) [ 356.080972] ? lock_downgrade+0x900/0x900 [ 356.085340] 3*256kB (UM) [ 356.087986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.092672] 4*512kB (UM) [ 356.095506] cache_grow_begin+0x91/0x8c0 [ 356.099630] 3*1024kB (M) [ 356.102448] ? do_raw_spin_unlock+0xa7/0x2f0 [ 356.107972] 3*2048kB (M) [ 356.110799] fallback_alloc+0x203/0x2e0 [ 356.114837] 3*4096kB (M) [ 356.117652] ____cache_alloc_node+0x1c7/0x1e0 [ 356.122034] = 24936kB [ 356.122044] Node 0 [ 356.124849] kmem_cache_alloc_node+0xe3/0x730 [ 356.128793] Normal: 1267*4kB [ 356.131609] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.136074] (UMEH) 430*8kB [ 356.138545] __alloc_skb+0x119/0x770 [ 356.140762] (UMEH) [ 356.145302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.148385] 212*16kB (UMEH) [ 356.152676] ? skb_scrub_packet+0x490/0x490 [ 356.155595] 35*32kB (MH) [ 356.159363] ? lock_downgrade+0x900/0x900 [ 356.161589] 9*64kB (MH) [ 356.166946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.169945] 1*128kB (H) [ 356.174339] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.177077] 1*256kB (H) [ 356.181284] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.183931] 0*512kB 0*1024kB [ 356.189534] ? addrconf_rs_timer+0x6f0/0x6f0 [ 356.192177] 0*2048kB 0*4096kB [ 356.197695] ndisc_alloc_skb+0x144/0x340 [ 356.200345] = 13980kB [ 356.200364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.205856] ndisc_send_rs+0x331/0x6e0 [ 356.208973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.208987] 4516 total pagecache pages [ 356.213480] addrconf_rs_timer+0x3c0/0x6f0 [ 356.216673] 0 pages in swap cache [ 356.220780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.223165] Swap cache stats: add 0, delete 0, find 0/0 [ 356.223178] Free swap = 0kB [ 356.232163] call_timer_fn+0x272/0x920 [ 356.236037] Total swap = 0kB [ 356.236048] 1965979 pages RAM [ 356.244688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.248562] 0 pages HighMem/MovableOnly [ 356.248570] 343324 pages reserved [ 356.248585] 0 pages cma reserved [ 356.252899] ? process_timeout+0x40/0x40 [ 356.256485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.260633] ? find_held_lock+0x36/0x1c0 [ 356.260663] ? __run_timers+0x7da/0xc70 [ 356.260681] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.260692] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.260708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.260728] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.266211] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.269187] ? trace_hardirqs_on+0xbd/0x310 [ 356.273060] ksoftirqd/0 cpuset= [ 356.276128] ? kasan_check_read+0x11/0x20 [ 356.279227] / [ 356.283548] ? __run_timers+0x7da/0xc70 [ 356.287520] mems_allowed=0 [ 356.361998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.367522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.371839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.376320] __run_timers+0x7e5/0xc70 [ 356.380191] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 356.385636] ? check_preemption_disabled+0x48/0x200 [ 356.390731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.396389] ? rcu_irq_exit+0xce/0x100 [ 356.400354] ? irq_exit+0xbd/0x1c0 [ 356.403952] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 356.409043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.413875] ? retint_kernel+0x2d/0x2d [ 356.417832] ? trace_hardirqs_on_caller+0xc0/0x300 [ 356.422832] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.427664] ? trace_hardirqs_off_caller+0x300/0x300 [ 356.432833] ? graph_lock+0x170/0x170 [ 356.436692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.442301] ? check_preemption_disabled+0x48/0x200 [ 356.447400] ? __lock_is_held+0xb5/0x140 [ 356.451520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.457121] ? check_preemption_disabled+0x48/0x200 [ 356.462235] run_timer_softirq+0x52/0xb0 [ 356.466389] ? rcu_read_lock_sched_held+0x108/0x120 [ 356.471471] __do_softirq+0x30b/0xad8 [ 356.475361] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 356.480678] ? pvclock_read_flags+0x160/0x160 [ 356.485247] ? lapic_next_event+0x5a/0x90 [ 356.489454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.495046] ? check_preemption_disabled+0x48/0x200 [ 356.500116] ? check_preemption_disabled+0x48/0x200 [ 356.505237] ? kvm_clock_read+0x18/0x30 [ 356.509397] ? kvm_sched_clock_read+0x9/0x20 [ 356.513884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.519528] ? check_preemption_disabled+0x48/0x200 [ 356.524645] irq_exit+0x17f/0x1c0 [ 356.528144] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.533037] ? smp_reschedule_interrupt+0x109/0x650 [ 356.538333] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.544300] ? interrupt_entry+0xb5/0xf0 [ 356.548425] ? trace_hardirqs_off_caller+0xbb/0x300 [ 356.553480] ? trace_hardirqs_off_caller+0xbb/0x300 [ 356.558520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.563392] ? trace_hardirqs_off+0x300/0x300 [ 356.567911] ? trace_hardirqs_off+0x300/0x300 [ 356.572413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.577971] ? check_preemption_disabled+0x48/0x200 [ 356.582993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.588634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.593596] apic_timer_interrupt+0xf/0x20 [ 356.597829] [ 356.600079] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 356.605012] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 356.623932] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 356.631735] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 356.639102] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 356.646385] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 356.653656] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 356.661109] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 356.668430] skb_clone+0x1bb/0x500 [ 356.671976] ? skb_split+0x11e0/0x11e0 [ 356.675872] ? preempt_notifier_register+0x200/0x200 [ 356.681024] ? __switch_to_asm+0x34/0x70 [ 356.685109] ? __switch_to_asm+0x34/0x70 [ 356.689210] ? __switch_to_asm+0x40/0x70 [ 356.693298] ? __switch_to_asm+0x34/0x70 [ 356.697419] ? __switch_to_asm+0x40/0x70 [ 356.701545] ? __switch_to_asm+0x40/0x70 [ 356.705666] ? __switch_to_asm+0x34/0x70 [ 356.709772] ? __switch_to_asm+0x34/0x70 [ 356.713891] ? __switch_to_asm+0x40/0x70 [ 356.717988] ? __switch_to_asm+0x34/0x70 [ 356.722085] bpf_clone_redirect+0xb9/0x490 [ 356.726400] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 356.731478] ? __sched_text_start+0x8/0x8 [ 356.735680] ? retint_kernel+0x2d/0x2d [ 356.739627] ? find_held_lock+0x36/0x1c0 [ 356.743787] ? lock_acquire+0x1ed/0x520 [ 356.747803] ? bpf_test_run+0x32e/0x5a0 [ 356.751813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.757403] ? check_preemption_disabled+0x48/0x200 [ 356.762482] ? kasan_check_read+0x11/0x20 [ 356.766678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.772075] ? rcu_bh_qs+0xc0/0xc0 [ 356.775655] ? preempt_schedule+0x4d/0x60 [ 356.779839] ? ___preempt_schedule+0x16/0x18 [ 356.784297] ? bpf_test_run+0x1c0/0x5a0 [ 356.788329] ? netlink_diag_dump+0x2a0/0x2a0 [ 356.792792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.798382] ? bpf_test_init.isra.9+0x70/0x100 [ 356.803013] ? bpf_prog_test_run_skb+0x634/0xb40 [ 356.807819] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 356.812701] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.818280] ? fput+0x130/0x1a0 [ 356.821594] ? __bpf_prog_get+0x9b/0x290 [ 356.825697] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 356.830578] ? bpf_prog_test_run+0x130/0x1a0 [ 356.835032] ? __x64_sys_bpf+0x3d8/0x510 [ 356.839152] ? bpf_prog_get+0x20/0x20 [ 356.843005] ? do_syscall_64+0x1b9/0x820 [ 356.847091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 356.852501] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.857475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.862364] ? trace_hardirqs_off+0x300/0x300 [ 356.866904] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 356.871957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.877546] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.882629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.887535] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.892959] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 356.893044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.899758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.899768] Call Trace: [ 356.899805] dump_stack+0x1c4/0x2b4 [ 356.899819] ? dump_stack_print_info.cold.2+0x52/0x52 [ 356.899845] warn_alloc.cold.118+0xb7/0x1bd [ 356.899860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.899882] ? lock_downgrade+0x900/0x900 [ 356.906486] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.915799] ? trace_hardirqs_off+0xb8/0x300 [ 356.918380] syz-executor1 cpuset= [ 356.922038] ? trace_hardirqs_off+0xb8/0x300 [ 356.927223] syz1 [ 356.931580] __alloc_pages_slowpath+0x2667/0x2d80 [ 356.936433] mems_allowed=0 [ 356.940631] ? warn_alloc+0x120/0x120 [ 356.977026] ? warn_alloc+0x120/0x120 [ 356.980918] ? print_usage_bug+0xc0/0xc0 [ 356.985025] ? warn_alloc+0x120/0x120 [ 356.989510] ? print_usage_bug+0xc0/0xc0 [ 356.993627] ? __lock_acquire+0x7ec/0x4ec0 [ 356.997908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.003595] ? should_fail+0x22d/0xd01 [ 357.007548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.012801] ? __lock_acquire+0x7ec/0x4ec0 [ 357.017115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.022259] ? __lock_acquire+0x7ec/0x4ec0 [ 357.026528] ? should_fail+0x22d/0xd01 [ 357.030465] ? mark_held_locks+0x130/0x130 [ 357.034748] ? mark_held_locks+0x130/0x130 [ 357.039033] ? graph_lock+0x170/0x170 [ 357.042907] ? graph_lock+0x170/0x170 [ 357.046753] ? graph_lock+0x170/0x170 [ 357.050590] ? print_usage_bug+0xc0/0xc0 [ 357.054719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.060313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.066570] ? check_preemption_disabled+0x48/0x200 [ 357.071632] ? check_preemption_disabled+0x48/0x200 [ 357.076709] ? __lock_is_held+0xb5/0x140 [ 357.080827] __alloc_pages_nodemask+0xa80/0xde0 [ 357.085548] ? graph_lock+0x170/0x170 [ 357.089405] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 357.094484] ? graph_lock+0x170/0x170 [ 357.098346] ? find_held_lock+0x36/0x1c0 [ 357.102467] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.107187] ? lock_downgrade+0x900/0x900 [ 357.111414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.117036] cache_grow_begin+0x91/0x8c0 [ 357.121160] ? do_raw_spin_unlock+0xa7/0x2f0 [ 357.125638] fallback_alloc+0x203/0x2e0 [ 357.129688] ____cache_alloc_node+0x1c7/0x1e0 [ 357.134257] kmem_cache_alloc_node+0xe3/0x730 [ 357.138837] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.143140] __alloc_skb+0x119/0x770 [ 357.146907] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.152237] ? skb_scrub_packet+0x490/0x490 [ 357.156609] ? lock_downgrade+0x900/0x900 [ 357.160814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.166403] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.172815] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.178426] ? addrconf_rs_timer+0x6f0/0x6f0 [ 357.182912] ndisc_alloc_skb+0x144/0x340 [ 357.187033] ndisc_send_rs+0x331/0x6e0 [ 357.190978] addrconf_rs_timer+0x3c0/0x6f0 [ 357.195277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.199584] call_timer_fn+0x272/0x920 [ 357.203542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.207908] ? process_timeout+0x40/0x40 [ 357.212017] ? find_held_lock+0x36/0x1c0 [ 357.216140] ? __run_timers+0x7da/0xc70 [ 357.220153] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.224699] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.229238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.233515] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 357.238141] ? trace_hardirqs_on+0xbd/0x310 [ 357.242508] ? kasan_check_read+0x11/0x20 [ 357.246701] ? __run_timers+0x7da/0xc70 [ 357.250718] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.256220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.260507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.264811] __run_timers+0x7e5/0xc70 [ 357.268712] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 357.274119] ? compat_start_thread+0x80/0x80 [ 357.278584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.284171] ? _raw_spin_unlock_irq+0x60/0x80 [ 357.288713] ? finish_task_switch+0x1f5/0x900 [ 357.293245] ? finish_task_switch+0x1b5/0x900 [ 357.297776] ? __switch_to_asm+0x34/0x70 [ 357.301906] ? preempt_notifier_register+0x200/0x200 [ 357.307082] ? __switch_to_asm+0x34/0x70 [ 357.311182] ? __switch_to_asm+0x40/0x70 [ 357.315281] ? __switch_to_asm+0x34/0x70 [ 357.319379] ? __switch_to_asm+0x40/0x70 [ 357.323474] ? __switch_to_asm+0x34/0x70 [ 357.327583] ? __switch_to_asm+0x40/0x70 [ 357.331691] ? __switch_to_asm+0x40/0x70 [ 357.335800] ? pvclock_read_flags+0x160/0x160 [ 357.340339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.345915] ? check_preemption_disabled+0x48/0x200 [ 357.350980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.356316] ? rcu_pm_notify+0xc0/0xc0 [ 357.360249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.365823] ? check_preemption_disabled+0x48/0x200 [ 357.370921] run_timer_softirq+0x52/0xb0 [ 357.375016] ? rcu_read_lock_sched_held+0x108/0x120 [ 357.380074] __do_softirq+0x30b/0xad8 [ 357.383927] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 357.389071] ? trace_hardirqs_off_caller+0x300/0x300 [ 357.394204] ? retint_kernel+0x1b/0x2d [ 357.398135] ? schedule+0x108/0x460 [ 357.401801] ? __schedule+0x1ed0/0x1ed0 [ 357.405829] ? trace_hardirqs_off+0xb8/0x300 [ 357.410278] ? ___might_sleep+0x1ed/0x300 [ 357.414464] ? smpboot_thread_fn+0x68b/0xa00 [ 357.418914] ? trace_hardirqs_on+0x310/0x310 [ 357.423359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.428965] ? check_preemption_disabled+0x48/0x200 [ 357.434036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.439622] ? takeover_tasklets+0xa90/0xa90 [ 357.444077] run_ksoftirqd+0x94/0x100 [ 357.447949] smpboot_thread_fn+0x68b/0xa00 [ 357.452233] ? sort_range+0x30/0x30 [ 357.455913] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.461057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.466676] ? __kthread_parkme+0xfb/0x1a0 [ 357.470968] kthread+0x35a/0x420 [ 357.474398] ? sort_range+0x30/0x30 [ 357.478095] ? kthread_bind+0x40/0x40 [ 357.481951] ret_from_fork+0x3a/0x50 [ 357.485738] warn_alloc_show_mem: 1 callbacks suppressed [ 357.485755] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 357.485758] Mem-Info: [ 357.485792] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 357.485792] active_file:18 inactive_file:31 isolated_file:0 [ 357.485792] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.485792] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 357.485792] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 357.485792] free:13670 free_pcp:352 free_cma:0 [ 357.491183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.498530] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.501053] Call Trace: [ 357.534132] Node 0 [ 357.543523] [ 357.571516] 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 [ 357.574106] dump_stack+0x1c4/0x2b4 [ 357.576322] lowmem_reserve[]: [ 357.578504] ? dump_stack_print_info.cold.2+0x52/0x52 [ 357.604074] 0 2815 [ 357.607754] warn_alloc.cold.118+0xb7/0x1bd [ 357.610850] 6318 [ 357.616101] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.618320] 6318 [ 357.622682] ? lock_downgrade+0x900/0x900 [ 357.624742] Node 0 [ 357.629624] ? trace_hardirqs_off+0xb8/0x300 [ 357.631703] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 357.635855] ? trace_hardirqs_off+0xb8/0x300 [ 357.638080] lowmem_reserve[]: 0 [ 357.642549] __alloc_pages_slowpath+0x2667/0x2d80 [ 357.669257] 0 3503 [ 357.673756] ? warn_alloc+0x120/0x120 [ 357.677035] 3503 [ 357.681929] ? warn_alloc+0x120/0x120 [ 357.684159] Node 0 [ 357.687979] ? print_usage_bug+0xc0/0xc0 [ 357.690056] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 357.693864] ? warn_alloc+0x120/0x120 [ 357.696095] lowmem_reserve[]: [ 357.700182] ? print_usage_bug+0xc0/0xc0 [ 357.728822] 0 0 [ 357.732705] ? __lock_acquire+0x7ec/0x4ec0 [ 357.735805] 0 0 [ 357.739902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.746135] ? should_fail+0x22d/0xd01 [ 357.748118] Node 0 [ 357.753708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.757580] DMA: 1*4kB [ 357.759862] ? __lock_acquire+0x7ec/0x4ec0 [ 357.764947] (U) 0*8kB [ 357.767592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.771799] 0*16kB [ 357.774317] ? __lock_acquire+0x7ec/0x4ec0 [ 357.779404] 1*32kB (U) [ 357.781699] ? should_fail+0x22d/0xd01 [ 357.785915] 2*64kB (U) [ 357.788544] ? mark_held_locks+0x130/0x130 [ 357.792414] 1*128kB [ 357.795029] ? mark_held_locks+0x130/0x130 [ 357.799256] (U) [ 357.801610] ? graph_lock+0x170/0x170 [ 357.805858] 1*256kB (U) [ 357.807873] ? graph_lock+0x170/0x170 [ 357.811665] 0*512kB [ 357.814358] ? graph_lock+0x170/0x170 [ 357.818151] 1*1024kB [ 357.820504] ? print_usage_bug+0xc0/0xc0 [ 357.824286] (U) 1*2048kB [ 357.826751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.830782] (M) 3*4096kB [ 357.833591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.839106] (M) = 15908kB [ 357.841907] ? check_preemption_disabled+0x48/0x200 [ 357.847446] Node 0 [ 357.850249] ? check_preemption_disabled+0x48/0x200 [ 357.855247] DMA32: 4*4kB [ 357.857546] ? __lock_is_held+0xb5/0x140 [ 357.862588] (UM) [ 357.865386] __alloc_pages_nodemask+0xa80/0xde0 [ 357.869438] 1*8kB [ 357.871532] ? graph_lock+0x170/0x170 [ 357.876184] (M) [ 357.878371] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 357.882143] 3*16kB (M) [ 357.884165] ? graph_lock+0x170/0x170 [ 357.889168] 3*32kB [ 357.891791] ? find_held_lock+0x36/0x1c0 [ 357.895566] (M) [ 357.897854] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.901904] 1*64kB [ 357.903911] ? lock_downgrade+0x900/0x900 [ 357.908555] (M) 3*128kB [ 357.910861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.914990] (UM) [ 357.917697] cache_grow_begin+0x91/0x8c0 [ 357.923219] 3*256kB (UM) [ 357.925338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 357.929391] 4*512kB [ 357.932186] fallback_alloc+0x203/0x2e0 [ 357.936565] (UM) 3*1024kB [ 357.938946] ____cache_alloc_node+0x1c7/0x1e0 [ 357.942899] (M) 3*2048kB [ 357.945807] kmem_cache_alloc_node+0xe3/0x730 [ 357.950301] (M) [ 357.953109] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.957582] 3*4096kB (M) [ 357.959617] __alloc_skb+0x119/0x770 [ 357.963830] = 24936kB [ 357.963846] Node 0 [ 357.966653] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.970340] Normal: 1267*4kB [ 357.972801] ? skb_scrub_packet+0x490/0x490 [ 357.975013] (UMEH) [ 357.980336] ? lock_downgrade+0x900/0x900 [ 357.983429] 430*8kB [ 357.987808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.990023] (UMEH) [ 357.994214] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.996520] 212*16kB [ 358.002127] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.004343] (UMEH) [ 358.010277] ? addrconf_rs_timer+0x6f0/0x6f0 [ 358.012659] 35*32kB [ 358.018152] ndisc_alloc_skb+0x144/0x340 [ 358.020368] (MH) [ 358.024855] ndisc_send_rs+0x331/0x6e0 [ 358.027158] 9*64kB [ 358.031274] addrconf_rs_timer+0x3c0/0x6f0 [ 358.033310] (MH) [ 358.037247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.039459] 1*128kB (H) [ 358.043764] call_timer_fn+0x272/0x920 [ 358.045833] 1*256kB [ 358.050103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.052748] (H) 0*512kB [ 358.056705] ? process_timeout+0x40/0x40 [ 358.059029] 0*1024kB [ 358.063313] ? find_held_lock+0x36/0x1c0 [ 358.065964] 0*2048kB 0*4096kB [ 358.070066] ? __run_timers+0x7da/0xc70 [ 358.072457] = 13980kB [ 358.072475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.076604] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.079786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.079798] 4516 total pagecache pages [ 358.083825] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.086216] 0 pages in swap cache [ 358.095077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.095107] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.099990] Swap cache stats: add 0, delete 0, find 0/0 [ 358.108672] ? trace_hardirqs_on+0xbd/0x310 [ 358.112546] Free swap = 0kB [ 358.117059] ? kasan_check_read+0x11/0x20 [ 358.117092] ? __run_timers+0x7da/0xc70 [ 358.120542] Total swap = 0kB [ 358.120556] 1965979 pages RAM [ 358.124880] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.129450] 0 pages HighMem/MovableOnly [ 358.129467] 343324 pages reserved [ 358.134901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.139220] 0 pages cma reserved [ 358.142280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.146547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.150432] __run_timers+0x7e5/0xc70 [ 358.150461] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.150487] ? check_preemption_disabled+0x48/0x200 [ 358.153600] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.156640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.162128] ksoftirqd/0 cpuset= [ 358.166146] ? rcu_irq_exit+0xce/0x100 [ 358.169594] / [ 358.173887] ? irq_exit+0xbd/0x1c0 [ 358.177238] mems_allowed=0 [ 358.233649] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 358.238719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.243535] ? retint_kernel+0x2d/0x2d [ 358.247480] ? trace_hardirqs_on_caller+0xc0/0x300 [ 358.252519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.257326] ? trace_hardirqs_off_caller+0x300/0x300 [ 358.262490] ? graph_lock+0x170/0x170 [ 358.266332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.271915] ? check_preemption_disabled+0x48/0x200 [ 358.276993] ? __lock_is_held+0xb5/0x140 [ 358.281083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.286661] ? check_preemption_disabled+0x48/0x200 [ 358.291734] run_timer_softirq+0x52/0xb0 [ 358.295841] ? rcu_read_lock_sched_held+0x108/0x120 [ 358.300929] __do_softirq+0x30b/0xad8 [ 358.304782] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 358.309946] ? pvclock_read_flags+0x160/0x160 [ 358.314494] ? lapic_next_event+0x5a/0x90 [ 358.318700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.324328] ? check_preemption_disabled+0x48/0x200 [ 358.329436] ? check_preemption_disabled+0x48/0x200 [ 358.334537] ? kvm_clock_read+0x18/0x30 [ 358.338563] ? kvm_sched_clock_read+0x9/0x20 [ 358.343037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.348643] ? check_preemption_disabled+0x48/0x200 [ 358.353738] irq_exit+0x17f/0x1c0 [ 358.357238] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.362126] ? smp_reschedule_interrupt+0x109/0x650 [ 358.367202] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.373152] ? interrupt_entry+0xb5/0xf0 [ 358.377260] ? trace_hardirqs_off_caller+0xbb/0x300 [ 358.382414] ? trace_hardirqs_off_caller+0xbb/0x300 [ 358.387505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.392409] ? trace_hardirqs_off+0x300/0x300 [ 358.396958] ? trace_hardirqs_off+0x300/0x300 [ 358.401512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.407129] ? check_preemption_disabled+0x48/0x200 [ 358.412201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.417803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.422727] apic_timer_interrupt+0xf/0x20 [ 358.427000] [ 358.429270] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.434253] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 358.453198] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 358.460956] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.468269] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 358.475589] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 358.482901] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.490242] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 358.497652] skb_clone+0x1bb/0x500 [ 358.501253] ? skb_split+0x11e0/0x11e0 [ 358.505193] ? preempt_notifier_register+0x200/0x200 [ 358.510343] ? __switch_to_asm+0x34/0x70 [ 358.514451] ? __switch_to_asm+0x34/0x70 [ 358.518553] ? __switch_to_asm+0x40/0x70 [ 358.522663] ? __switch_to_asm+0x34/0x70 [ 358.526758] ? __switch_to_asm+0x40/0x70 [ 358.530862] ? __switch_to_asm+0x40/0x70 [ 358.534979] ? __switch_to_asm+0x34/0x70 [ 358.539083] ? __switch_to_asm+0x34/0x70 [ 358.543192] ? __switch_to_asm+0x40/0x70 [ 358.547290] ? __switch_to_asm+0x34/0x70 [ 358.551416] bpf_clone_redirect+0xb9/0x490 [ 358.555714] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 358.560814] ? __sched_text_start+0x8/0x8 [ 358.565006] ? retint_kernel+0x2d/0x2d [ 358.568966] ? find_held_lock+0x36/0x1c0 [ 358.573070] ? lock_acquire+0x1ed/0x520 [ 358.577077] ? bpf_test_run+0x32e/0x5a0 [ 358.581110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.586739] ? check_preemption_disabled+0x48/0x200 [ 358.591808] ? kasan_check_read+0x11/0x20 [ 358.596002] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.601330] ? rcu_bh_qs+0xc0/0xc0 [ 358.604908] ? preempt_schedule+0x4d/0x60 [ 358.609093] ? ___preempt_schedule+0x16/0x18 [ 358.613555] ? bpf_test_run+0x1c0/0x5a0 [ 358.617594] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.622049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.627642] ? bpf_test_init.isra.9+0x70/0x100 [ 358.632276] ? bpf_prog_test_run_skb+0x634/0xb40 [ 358.637081] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.641979] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.647580] ? fput+0x130/0x1a0 [ 358.650901] ? __bpf_prog_get+0x9b/0x290 [ 358.655012] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.659907] ? bpf_prog_test_run+0x130/0x1a0 [ 358.664465] ? __x64_sys_bpf+0x3d8/0x510 [ 358.668612] ? bpf_prog_get+0x20/0x20 [ 358.672482] ? do_syscall_64+0x1b9/0x820 [ 358.676597] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.682025] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.687004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.691915] ? trace_hardirqs_off+0x300/0x300 [ 358.696479] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.701578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.707183] ? prepare_exit_to_usermode+0x291/0x3b0 [ 358.712280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.717186] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.722623] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 358.722731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.729439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.729451] Call Trace: [ 358.729492] dump_stack+0x1c4/0x2b4 [ 358.729507] ? dump_stack_print_info.cold.2+0x52/0x52 [ 358.729532] warn_alloc.cold.118+0xb7/0x1bd [ 358.729545] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.729563] ? lock_downgrade+0x900/0x900 [ 358.729588] ? trace_hardirqs_off+0xb8/0x300 [ 358.729609] ? trace_hardirqs_off+0xb8/0x300 [ 358.736253] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.745579] __alloc_pages_slowpath+0x2667/0x2d80 [ 358.748153] syz-executor1 cpuset= [ 358.751838] ? warn_alloc+0x120/0x120 [ 358.757036] syz1 [ 358.761407] ? warn_alloc+0x120/0x120 [ 358.766242] mems_allowed=0 [ 358.810607] ? print_usage_bug+0xc0/0xc0 [ 358.814711] ? warn_alloc+0x120/0x120 [ 358.818719] ? print_usage_bug+0xc0/0xc0 [ 358.822835] ? __lock_acquire+0x7ec/0x4ec0 [ 358.827120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.832718] ? should_fail+0x22d/0xd01 [ 358.836661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.841826] ? __lock_acquire+0x7ec/0x4ec0 [ 358.846117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.851264] ? __lock_acquire+0x7ec/0x4ec0 [ 358.855558] ? should_fail+0x22d/0xd01 [ 358.859493] ? mark_held_locks+0x130/0x130 [ 358.863795] ? mark_held_locks+0x130/0x130 [ 358.868077] ? graph_lock+0x170/0x170 [ 358.871915] ? graph_lock+0x170/0x170 [ 358.875756] ? graph_lock+0x170/0x170 [ 358.879606] ? print_usage_bug+0xc0/0xc0 [ 358.883715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.889309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.894914] ? check_preemption_disabled+0x48/0x200 [ 358.899984] ? check_preemption_disabled+0x48/0x200 [ 358.905063] ? __lock_is_held+0xb5/0x140 [ 358.909193] __alloc_pages_nodemask+0xa80/0xde0 [ 358.913922] ? graph_lock+0x170/0x170 [ 358.917773] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 358.922840] ? graph_lock+0x170/0x170 [ 358.926697] ? find_held_lock+0x36/0x1c0 [ 358.930818] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.935546] ? lock_downgrade+0x900/0x900 [ 358.939759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.945363] cache_grow_begin+0x91/0x8c0 [ 358.949475] ? do_raw_spin_unlock+0xa7/0x2f0 [ 358.953948] fallback_alloc+0x203/0x2e0 [ 358.957989] ____cache_alloc_node+0x1c7/0x1e0 [ 358.962541] kmem_cache_alloc_node+0xe3/0x730 [ 358.967090] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.971382] __alloc_skb+0x119/0x770 [ 358.975143] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.980480] ? skb_scrub_packet+0x490/0x490 [ 358.984856] ? lock_downgrade+0x900/0x900 [ 358.989048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.994645] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.000153] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.005664] ? addrconf_rs_timer+0x6f0/0x6f0 [ 359.010140] ndisc_alloc_skb+0x144/0x340 [ 359.014246] ndisc_send_rs+0x331/0x6e0 [ 359.018183] addrconf_rs_timer+0x3c0/0x6f0 [ 359.022472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.026771] call_timer_fn+0x272/0x920 [ 359.030705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.034991] ? process_timeout+0x40/0x40 [ 359.039091] ? find_held_lock+0x36/0x1c0 [ 359.043293] ? __run_timers+0x7da/0xc70 [ 359.047312] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.051855] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.056396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.060677] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.065973] ? trace_hardirqs_on+0xbd/0x310 [ 359.070331] ? kasan_check_read+0x11/0x20 [ 359.074516] ? __run_timers+0x7da/0xc70 [ 359.078553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.084088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.088376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.092664] __run_timers+0x7e5/0xc70 [ 359.096590] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.101964] ? compat_start_thread+0x80/0x80 [ 359.106472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.112079] ? _raw_spin_unlock_irq+0x60/0x80 [ 359.116593] ? finish_task_switch+0x1f5/0x900 [ 359.121104] ? finish_task_switch+0x1b5/0x900 [ 359.125610] ? __switch_to_asm+0x34/0x70 [ 359.129692] ? preempt_notifier_register+0x200/0x200 [ 359.134847] ? __switch_to_asm+0x34/0x70 [ 359.138922] ? __switch_to_asm+0x40/0x70 [ 359.143090] ? __switch_to_asm+0x34/0x70 [ 359.147180] ? __switch_to_asm+0x40/0x70 [ 359.151290] ? __switch_to_asm+0x34/0x70 [ 359.155387] ? __switch_to_asm+0x40/0x70 [ 359.159527] ? __switch_to_asm+0x40/0x70 [ 359.163661] ? pvclock_read_flags+0x160/0x160 [ 359.168207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.174676] ? check_preemption_disabled+0x48/0x200 [ 359.179738] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.185134] ? rcu_pm_notify+0xc0/0xc0 [ 359.189062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.194669] ? check_preemption_disabled+0x48/0x200 [ 359.199736] run_timer_softirq+0x52/0xb0 [ 359.203840] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.208904] __do_softirq+0x30b/0xad8 [ 359.212754] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.217893] ? trace_hardirqs_off_caller+0x300/0x300 [ 359.223027] ? retint_kernel+0x1b/0x2d [ 359.226952] ? schedule+0x108/0x460 [ 359.230643] ? __schedule+0x1ed0/0x1ed0 [ 359.234671] ? trace_hardirqs_off+0xb8/0x300 [ 359.239120] ? ___might_sleep+0x1ed/0x300 [ 359.243308] ? smpboot_thread_fn+0x68b/0xa00 [ 359.247776] ? trace_hardirqs_on+0x310/0x310 [ 359.252217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.257811] ? check_preemption_disabled+0x48/0x200 [ 359.262893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.268502] ? takeover_tasklets+0xa90/0xa90 [ 359.272944] run_ksoftirqd+0x94/0x100 [ 359.276769] smpboot_thread_fn+0x68b/0xa00 [ 359.281037] ? sort_range+0x30/0x30 [ 359.284688] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.289823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.295393] ? __kthread_parkme+0xfb/0x1a0 [ 359.299658] kthread+0x35a/0x420 [ 359.303045] ? sort_range+0x30/0x30 [ 359.306702] ? kthread_bind+0x40/0x40 [ 359.310531] ret_from_fork+0x3a/0x50 [ 359.314285] warn_alloc_show_mem: 1 callbacks suppressed [ 359.314299] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 359.314301] Mem-Info: [ 359.314332] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 359.314332] active_file:18 inactive_file:31 isolated_file:0 [ 359.314332] unevictable:0 dirty:0 writeback:0 unstable:0 [ 359.314332] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 359.314332] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 359.314332] free:13670 free_pcp:352 free_cma:0 [ 359.319696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.319709] Call Trace: [ 359.327025] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 359.329459] [ 359.362541] Node 0 [ 359.371976] dump_stack+0x1c4/0x2b4 [ 359.374591] 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 [ 359.402570] ? dump_stack_print_info.cold.2+0x52/0x52 [ 359.404723] lowmem_reserve[]: [ 359.406984] warn_alloc.cold.118+0xb7/0x1bd [ 359.410588] 0 2815 [ 359.436167] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.441353] 6318 [ 359.444484] ? lock_downgrade+0x900/0x900 [ 359.448803] 6318 [ 359.451073] ? trace_hardirqs_off+0xb8/0x300 [ 359.455910] Node 0 [ 359.458001] ? trace_hardirqs_off+0xb8/0x300 [ 359.462163] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 359.464221] __alloc_pages_slowpath+0x2667/0x2d80 [ 359.468616] lowmem_reserve[]: 0 [ 359.470922] ? warn_alloc+0x120/0x120 [ 359.475290] 0 3503 [ 359.502055] ? warn_alloc+0x120/0x120 [ 359.506893] 3503 [ 359.510208] ? print_usage_bug+0xc0/0xc0 [ 359.514011] Node 0 [ 359.516273] ? warn_alloc+0x120/0x120 [ 359.520094] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 359.522159] ? print_usage_bug+0xc0/0xc0 [ 359.526216] lowmem_reserve[]: [ 359.528479] ? __lock_acquire+0x7ec/0x4ec0 [ 359.532272] 0 0 [ 359.560961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.565023] 0 [ 359.568153] ? should_fail+0x22d/0xd01 [ 359.572380] 0 [ 359.574400] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.579935] Node 0 [ 359.581765] ? __lock_acquire+0x7ec/0x4ec0 [ 359.585630] DMA: 1*4kB [ 359.587474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.592580] (U) [ 359.594846] ? __lock_acquire+0x7ec/0x4ec0 [ 359.594869] ? should_fail+0x22d/0xd01 [ 359.599111] 0*8kB [ 359.601730] ? mark_held_locks+0x130/0x130 [ 359.606840] 0*16kB 1*32kB [ 359.608860] ? mark_held_locks+0x130/0x130 [ 359.613069] (U) 2*64kB [ 359.617007] ? graph_lock+0x170/0x170 [ 359.619147] (U) [ 359.623438] ? graph_lock+0x170/0x170 [ 359.626270] 1*128kB (U) [ 359.630607] ? graph_lock+0x170/0x170 [ 359.633186] 1*256kB [ 359.637009] ? print_usage_bug+0xc0/0xc0 [ 359.638970] (U) [ 359.642790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.645450] 0*512kB [ 359.649279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.651591] 1*1024kB [ 359.655678] ? check_preemption_disabled+0x48/0x200 [ 359.657638] (U) [ 359.663215] ? check_preemption_disabled+0x48/0x200 [ 359.665531] 1*2048kB [ 359.671130] ? __lock_is_held+0xb5/0x140 [ 359.673523] (M) [ 359.678566] __alloc_pages_nodemask+0xa80/0xde0 [ 359.680533] 3*4096kB [ 359.685570] ? graph_lock+0x170/0x170 [ 359.687964] (M) = 15908kB [ 359.692062] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 359.694036] Node 0 [ 359.698725] ? graph_lock+0x170/0x170 [ 359.698756] ? find_held_lock+0x36/0x1c0 [ 359.701167] DMA32: [ 359.705113] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.707857] 4*4kB [ 359.712898] ? lock_downgrade+0x900/0x900 [ 359.715128] (UM) [ 359.718958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.723002] 1*8kB (M) [ 359.725274] cache_grow_begin+0x91/0x8c0 [ 359.729929] 3*16kB (M) [ 359.732122] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.736252] 3*32kB [ 359.738345] fallback_alloc+0x203/0x2e0 [ 359.743873] (M) 1*64kB [ 359.746428] ____cache_alloc_node+0x1c7/0x1e0 [ 359.750478] (M) 3*128kB [ 359.753107] kmem_cache_alloc_node+0xe3/0x730 [ 359.757515] (UM) [ 359.759782] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.763741] 3*256kB (UM) [ 359.766368] __alloc_skb+0x119/0x770 [ 359.770843] 4*512kB (UM) [ 359.773557] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.778045] 3*1024kB [ 359.780142] ? skb_scrub_packet+0x490/0x490 [ 359.784366] (M) [ 359.787148] ? lock_downgrade+0x900/0x900 [ 359.790854] 3*2048kB (M) [ 359.793653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.798912] 3*4096kB (M) [ 359.801364] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.805755] = 24936kB [ 359.805766] Node 0 [ 359.807771] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.811901] Normal: 1267*4kB [ 359.814701] ? addrconf_rs_timer+0x6f0/0x6f0 [ 359.820257] (UMEH) [ 359.823046] ndisc_alloc_skb+0x144/0x340 [ 359.828501] 430*8kB [ 359.830957] ndisc_send_rs+0x331/0x6e0 [ 359.833174] (UMEH) [ 359.838653] addrconf_rs_timer+0x3c0/0x6f0 [ 359.841749] 212*16kB (UMEH) [ 359.846208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.848440] 35*32kB [ 359.852531] call_timer_fn+0x272/0x920 [ 359.854839] (MH) [ 359.858776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.861000] 9*64kB (MH) [ 359.865272] ? process_timeout+0x40/0x40 [ 359.868285] 1*128kB [ 359.872544] ? find_held_lock+0x36/0x1c0 [ 359.874857] (H) 1*256kB [ 359.878781] ? __run_timers+0x7da/0xc70 [ 359.880829] (H) [ 359.885083] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.887749] 0*512kB [ 359.891864] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.894183] 0*1024kB [ 359.898271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.900925] 0*2048kB 0*4096kB [ 359.904935] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.906903] = 13980kB [ 359.911431] ? trace_hardirqs_on+0xbd/0x310 [ 359.913760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 359.918278] ? kasan_check_read+0x11/0x20 [ 359.920689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 359.924942] ? __run_timers+0x7da/0xc70 [ 359.928134] 4516 total pagecache pages [ 359.932785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.935195] 0 pages in swap cache [ 359.939550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.948416] Swap cache stats: add 0, delete 0, find 0/0 [ 359.952632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.961210] Free swap = 0kB [ 359.965219] __run_timers+0x7e5/0xc70 [ 359.969132] Total swap = 0kB [ 359.974627] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.978069] 1965979 pages RAM [ 359.982346] ? check_preemption_disabled+0x48/0x200 [ 359.987699] 0 pages HighMem/MovableOnly [ 359.987713] 343324 pages reserved [ 359.992004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.995012] 0 pages cma reserved [ 359.998842] ? rcu_irq_exit+0xce/0x100 [ 360.001967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.007256] ? irq_exit+0xbd/0x1c0 [ 360.010523] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.015408] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 360.019376] ksoftirqd/0 cpuset= [ 360.022853] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 360.028382] / [ 360.031781] ? retint_kernel+0x2d/0x2d [ 360.035665] mems_allowed=0 [ 360.078238] ? trace_hardirqs_on_caller+0xc0/0x300 [ 360.083212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 360.088018] ? trace_hardirqs_off_caller+0x300/0x300 [ 360.093168] ? graph_lock+0x170/0x170 [ 360.097014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.102611] ? check_preemption_disabled+0x48/0x200 [ 360.107691] ? __lock_is_held+0xb5/0x140 [ 360.111802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.117390] ? check_preemption_disabled+0x48/0x200 [ 360.122499] run_timer_softirq+0x52/0xb0 [ 360.126643] ? rcu_read_lock_sched_held+0x108/0x120 [ 360.131714] __do_softirq+0x30b/0xad8 [ 360.135576] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 360.140735] ? pvclock_read_flags+0x160/0x160 [ 360.145271] ? lapic_next_event+0x5a/0x90 [ 360.149458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.155032] ? check_preemption_disabled+0x48/0x200 [ 360.160077] ? check_preemption_disabled+0x48/0x200 [ 360.165153] ? kvm_clock_read+0x18/0x30 [ 360.169166] ? kvm_sched_clock_read+0x9/0x20 [ 360.173628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.179232] ? check_preemption_disabled+0x48/0x200 [ 360.184309] irq_exit+0x17f/0x1c0 [ 360.187806] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.192692] ? smp_reschedule_interrupt+0x109/0x650 [ 360.197755] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.203687] ? interrupt_entry+0xb5/0xf0 [ 360.207787] ? trace_hardirqs_off_caller+0xbb/0x300 [ 360.212834] ? trace_hardirqs_off_caller+0xbb/0x300 [ 360.217910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.222811] ? trace_hardirqs_off+0x300/0x300 [ 360.227357] ? trace_hardirqs_off+0x300/0x300 [ 360.231895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.237466] ? check_preemption_disabled+0x48/0x200 [ 360.242528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.248113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.253013] apic_timer_interrupt+0xf/0x20 [ 360.257276] [ 360.259658] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 360.264642] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 360.283606] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 360.291348] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 360.298646] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 360.305975] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 360.313273] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 360.320623] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 360.327992] skb_clone+0x1bb/0x500 [ 360.331578] ? skb_split+0x11e0/0x11e0 [ 360.335519] ? preempt_notifier_register+0x200/0x200 [ 360.340664] ? __switch_to_asm+0x34/0x70 [ 360.344774] ? __switch_to_asm+0x34/0x70 [ 360.348869] ? __switch_to_asm+0x40/0x70 [ 360.352971] ? __switch_to_asm+0x34/0x70 [ 360.357062] ? __switch_to_asm+0x40/0x70 [ 360.361164] ? __switch_to_asm+0x40/0x70 [ 360.365269] ? __switch_to_asm+0x34/0x70 [ 360.369379] ? __switch_to_asm+0x34/0x70 [ 360.373521] ? __switch_to_asm+0x40/0x70 [ 360.377633] ? __switch_to_asm+0x34/0x70 [ 360.381747] bpf_clone_redirect+0xb9/0x490 [ 360.386033] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 360.391086] ? __sched_text_start+0x8/0x8 [ 360.395298] ? retint_kernel+0x2d/0x2d [ 360.399242] ? find_held_lock+0x36/0x1c0 [ 360.403373] ? lock_acquire+0x1ed/0x520 [ 360.407411] ? bpf_test_run+0x32e/0x5a0 [ 360.411424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.417012] ? check_preemption_disabled+0x48/0x200 [ 360.422090] ? kasan_check_read+0x11/0x20 [ 360.426304] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.431633] ? rcu_bh_qs+0xc0/0xc0 [ 360.435219] ? preempt_schedule+0x4d/0x60 [ 360.439407] ? ___preempt_schedule+0x16/0x18 [ 360.443877] ? bpf_test_run+0x1c0/0x5a0 [ 360.447920] ? netlink_diag_dump+0x2a0/0x2a0 [ 360.452394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.457977] ? bpf_test_init.isra.9+0x70/0x100 [ 360.462627] ? bpf_prog_test_run_skb+0x634/0xb40 [ 360.467443] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 360.472336] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.477928] ? fput+0x130/0x1a0 [ 360.481265] ? __bpf_prog_get+0x9b/0x290 [ 360.485382] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 360.490284] ? bpf_prog_test_run+0x130/0x1a0 [ 360.494789] ? __x64_sys_bpf+0x3d8/0x510 [ 360.498944] ? bpf_prog_get+0x20/0x20 [ 360.502832] ? do_syscall_64+0x1b9/0x820 [ 360.506943] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 360.512379] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.517366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.522274] ? trace_hardirqs_off+0x300/0x300 [ 360.526842] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 360.531939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.537547] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.542651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.547611] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.553050] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 360.553155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.559857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.559864] Call Trace: [ 360.559904] dump_stack+0x1c4/0x2b4 [ 360.559918] ? dump_stack_print_info.cold.2+0x52/0x52 [ 360.559944] warn_alloc.cold.118+0xb7/0x1bd [ 360.559958] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.559978] ? lock_downgrade+0x900/0x900 [ 360.560001] ? trace_hardirqs_off+0xb8/0x300 [ 360.582346] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.587348] ? trace_hardirqs_off+0xb8/0x300 [ 360.591666] syz-executor1 cpuset= [ 360.596555] __alloc_pages_slowpath+0x2667/0x2d80 [ 360.600700] syz1 [ 360.605180] ? warn_alloc+0x120/0x120 [ 360.615643] mems_allowed=0 [ 360.637138] ? warn_alloc+0x120/0x120 [ 360.640995] ? print_usage_bug+0xc0/0xc0 [ 360.645089] ? warn_alloc+0x120/0x120 [ 360.648975] ? print_usage_bug+0xc0/0xc0 [ 360.653079] ? __lock_acquire+0x7ec/0x4ec0 [ 360.657366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.662961] ? should_fail+0x22d/0xd01 [ 360.666893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.672047] ? __lock_acquire+0x7ec/0x4ec0 [ 360.676329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.681480] ? __lock_acquire+0x7ec/0x4ec0 [ 360.685755] ? should_fail+0x22d/0xd01 [ 360.689721] ? print_usage_bug+0xc0/0xc0 [ 360.693840] ? mark_held_locks+0x130/0x130 [ 360.698121] ? mark_held_locks+0x130/0x130 [ 360.702412] ? graph_lock+0x170/0x170 [ 360.706243] ? print_usage_bug+0xc0/0xc0 [ 360.710355] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 360.715160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.720750] ? check_preemption_disabled+0x48/0x200 [ 360.725818] ? check_preemption_disabled+0x48/0x200 [ 360.730902] ? __lock_is_held+0xb5/0x140 [ 360.735017] __alloc_pages_nodemask+0xa80/0xde0 [ 360.739771] ? graph_lock+0x170/0x170 [ 360.743665] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 360.748734] ? graph_lock+0x170/0x170 [ 360.752604] ? find_held_lock+0x36/0x1c0 [ 360.756759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.761475] ? lock_downgrade+0x900/0x900 [ 360.765728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.771319] cache_grow_begin+0x91/0x8c0 [ 360.775460] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.779926] fallback_alloc+0x203/0x2e0 [ 360.783950] ____cache_alloc_node+0x1c7/0x1e0 [ 360.788493] kmem_cache_alloc_node+0xe3/0x730 [ 360.793061] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.797346] __alloc_skb+0x119/0x770 [ 360.801084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.806450] ? skb_scrub_packet+0x490/0x490 [ 360.810820] ? lock_downgrade+0x900/0x900 [ 360.815041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.820659] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.826172] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.831686] ? addrconf_rs_timer+0x6f0/0x6f0 [ 360.836190] ndisc_alloc_skb+0x144/0x340 [ 360.840306] ndisc_send_rs+0x331/0x6e0 [ 360.844245] addrconf_rs_timer+0x3c0/0x6f0 [ 360.848529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.852828] call_timer_fn+0x272/0x920 [ 360.856763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.861049] ? process_timeout+0x40/0x40 [ 360.865153] ? find_held_lock+0x36/0x1c0 [ 360.869276] ? __run_timers+0x7da/0xc70 [ 360.873295] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.877839] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.882403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.886687] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 360.891321] ? trace_hardirqs_on+0xbd/0x310 [ 360.895686] ? kasan_check_read+0x11/0x20 [ 360.899879] ? __run_timers+0x7da/0xc70 [ 360.903900] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.909411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.913728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.918027] __run_timers+0x7e5/0xc70 [ 360.921903] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 360.927346] ? compat_start_thread+0x80/0x80 [ 360.931818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.937422] ? _raw_spin_unlock_irq+0x60/0x80 [ 360.941973] ? finish_task_switch+0x1f5/0x900 [ 360.946508] ? finish_task_switch+0x1b5/0x900 [ 360.951048] ? __switch_to_asm+0x34/0x70 [ 360.955148] ? preempt_notifier_register+0x200/0x200 [ 360.960338] ? __switch_to_asm+0x34/0x70 [ 360.964446] ? __switch_to_asm+0x40/0x70 [ 360.968554] ? __switch_to_asm+0x34/0x70 [ 360.972665] ? __switch_to_asm+0x40/0x70 [ 360.976768] ? __switch_to_asm+0x34/0x70 [ 360.980889] ? __switch_to_asm+0x40/0x70 [ 360.985018] ? __switch_to_asm+0x40/0x70 [ 360.989151] ? pvclock_read_flags+0x160/0x160 [ 360.993696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.999295] ? check_preemption_disabled+0x48/0x200 [ 361.004383] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.009734] ? rcu_pm_notify+0xc0/0xc0 [ 361.013682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.019278] ? check_preemption_disabled+0x48/0x200 [ 361.024397] run_timer_softirq+0x52/0xb0 [ 361.028538] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.033632] __do_softirq+0x30b/0xad8 [ 361.037524] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.042684] ? trace_hardirqs_off_caller+0x300/0x300 [ 361.047872] ? retint_kernel+0x1b/0x2d [ 361.051851] ? schedule+0x108/0x460 [ 361.055520] ? __schedule+0x1ed0/0x1ed0 [ 361.059550] ? trace_hardirqs_off+0xb8/0x300 [ 361.064014] ? ___might_sleep+0x1ed/0x300 [ 361.068207] ? smpboot_thread_fn+0x68b/0xa00 [ 361.072672] ? trace_hardirqs_on+0x310/0x310 [ 361.077162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.082781] ? check_preemption_disabled+0x48/0x200 [ 361.087900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.093507] ? takeover_tasklets+0xa90/0xa90 [ 361.098001] run_ksoftirqd+0x94/0x100 [ 361.101853] smpboot_thread_fn+0x68b/0xa00 [ 361.106181] ? sort_range+0x30/0x30 [ 361.109874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.115050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.120670] ? __kthread_parkme+0xfb/0x1a0 [ 361.124960] kthread+0x35a/0x420 [ 361.128375] ? sort_range+0x30/0x30 [ 361.132040] ? kthread_bind+0x40/0x40 [ 361.135893] ret_from_fork+0x3a/0x50 [ 361.139669] warn_alloc_show_mem: 1 callbacks suppressed [ 361.139683] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 361.139686] Mem-Info: [ 361.139724] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 361.139724] active_file:18 inactive_file:31 isolated_file:0 [ 361.139724] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.139724] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 361.139724] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 361.139724] free:13670 free_pcp:352 free_cma:0 [ 361.145115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.152440] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.154877] Call Trace: [ 361.190411] Node 0 [ 361.199828] [ 361.227822] 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 [ 361.230415] dump_stack+0x1c4/0x2b4 [ 361.232621] lowmem_reserve[]: 0 [ 361.234815] ? dump_stack_print_info.cold.2+0x52/0x52 [ 361.260315] 2815 [ 361.264001] warn_alloc.cold.118+0xb7/0x1bd [ 361.267263] 6318 [ 361.272527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.274561] 6318 [ 361.278931] ? lock_downgrade+0x900/0x900 [ 361.280963] Node 0 [ 361.285858] ? trace_hardirqs_off+0xb8/0x300 [ 361.287920] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 361.292068] ? trace_hardirqs_off+0xb8/0x300 [ 361.294284] lowmem_reserve[]: 0 [ 361.298751] __alloc_pages_slowpath+0x2667/0x2d80 [ 361.325495] 0 [ 361.330000] ? warn_alloc+0x120/0x120 [ 361.333247] 3503 [ 361.338161] ? graph_lock+0x170/0x170 [ 361.339936] 3503 [ 361.343775] ? warn_alloc+0x120/0x120 [ 361.345816] Node 0 [ 361.349672] ? print_usage_bug+0xc0/0xc0 [ 361.351732] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 361.355544] ? warn_alloc+0x120/0x120 [ 361.357761] lowmem_reserve[]: [ 361.361871] ? print_usage_bug+0xc0/0xc0 [ 361.390500] 0 0 [ 361.394383] ? trace_hardirqs_off+0xb8/0x300 [ 361.397999] 0 [ 361.402081] ? __lock_is_held+0xb5/0x140 [ 361.404046] 0 [ 361.408533] ? trace_hardirqs_on+0x310/0x310 [ 361.408567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.410370] Node 0 [ 361.414523] ? should_fail+0x22d/0xd01 [ 361.416293] DMA: [ 361.420752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.426304] 1*4kB [ 361.428579] ? __lock_acquire+0x7ec/0x4ec0 [ 361.432442] (U) 0*8kB [ 361.434568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.439657] 0*16kB 1*32kB [ 361.441855] ? __lock_acquire+0x7ec/0x4ec0 [ 361.446058] (U) 2*64kB [ 361.448608] ? should_fail+0x22d/0xd01 [ 361.448645] ? mark_held_locks+0x130/0x130 [ 361.453734] (U) 1*128kB [ 361.456635] ? mark_held_locks+0x130/0x130 [ 361.460857] (U) 1*256kB [ 361.463490] ? is_bpf_text_address+0xac/0x170 [ 361.467360] (U) 0*512kB [ 361.471651] ? graph_lock+0x170/0x170 [ 361.474307] 1*1024kB (U) [ 361.478599] ? print_usage_bug+0xc0/0xc0 [ 361.481263] 1*2048kB [ 361.485812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.488478] (M) [ 361.492304] ? check_preemption_disabled+0x48/0x200 [ 361.495055] 3*4096kB [ 361.499145] ? check_preemption_disabled+0x48/0x200 [ 361.499180] ? __lock_is_held+0xb5/0x140 [ 361.501587] (M) [ 361.507178] __alloc_pages_nodemask+0xa80/0xde0 [ 361.509118] = 15908kB [ 361.514176] ? graph_lock+0x170/0x170 [ 361.516565] Node 0 [ 361.521651] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 361.525712] DMA32: [ 361.527708] ? graph_lock+0x170/0x170 [ 361.532376] 4*4kB [ 361.534826] ? find_held_lock+0x36/0x1c0 [ 361.538592] (UM) 1*8kB [ 361.540884] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.545872] (M) 3*16kB [ 361.548161] ? lock_downgrade+0x900/0x900 [ 361.552120] (M) [ 361.554299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.558337] 3*32kB (M) [ 361.560959] cache_grow_begin+0x91/0x8c0 [ 361.565625] 1*64kB [ 361.568232] ? do_raw_spin_unlock+0xa7/0x2f0 [ 361.572375] (M) [ 361.574378] fallback_alloc+0x203/0x2e0 [ 361.579901] 3*128kB (UM) [ 361.582546] ____cache_alloc_node+0x1c7/0x1e0 [ 361.586582] 3*256kB (UM) [ 361.588958] kmem_cache_alloc_node+0xe3/0x730 [ 361.593367] 4*512kB [ 361.595367] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.599304] (UM) 3*1024kB [ 361.602089] __alloc_skb+0x119/0x770 [ 361.606577] (M) [ 361.609375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.613851] 3*2048kB (M) [ 361.616204] ? skb_scrub_packet+0x490/0x490 [ 361.620417] 3*4096kB (M) [ 361.623291] ? lock_downgrade+0x900/0x900 [ 361.626982] = 24936kB [ 361.628969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.634226] Node 0 [ 361.637011] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.641324] Normal: [ 361.644154] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.648287] 1267*4kB [ 361.650701] ? addrconf_rs_timer+0x6f0/0x6f0 [ 361.656218] (UMEH) [ 361.658489] ndisc_alloc_skb+0x144/0x340 [ 361.664029] 430*8kB (UMEH) [ 361.666372] ndisc_send_rs+0x331/0x6e0 [ 361.671797] 212*16kB [ 361.674211] addrconf_rs_timer+0x3c0/0x6f0 [ 361.678593] (UMEH) [ 361.680840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.684882] 35*32kB [ 361.687822] call_timer_fn+0x272/0x920 [ 361.691684] (MH) [ 361.694099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.698315] 9*64kB [ 361.700555] ? process_timeout+0x40/0x40 [ 361.704763] (MH) [ 361.707114] ? find_held_lock+0x36/0x1c0 [ 361.711021] 1*128kB [ 361.713111] ? __run_timers+0x7da/0xc70 [ 361.717381] (H) [ 361.719668] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.723744] 1*256kB (H) [ 361.725858] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.729916] 0*512kB 0*1024kB [ 361.732287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.732311] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.736308] 0*2048kB [ 361.738318] ? trace_hardirqs_on+0xbd/0x310 [ 361.742810] 0*4096kB = 13980kB [ 361.745546] ? kasan_check_read+0x11/0x20 [ 361.750156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.753319] ? __run_timers+0x7da/0xc70 [ 361.757568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.762204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.764612] 4516 total pagecache pages [ 361.768989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.772185] 0 pages in swap cache [ 361.776390] __run_timers+0x7e5/0xc70 [ 361.785251] Swap cache stats: add 0, delete 0, find 0/0 [ 361.785266] Free swap = 0kB [ 361.789310] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.797886] Total swap = 0kB [ 361.803423] ? check_preemption_disabled+0x48/0x200 [ 361.807332] 1965979 pages RAM [ 361.811614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.815061] 0 pages HighMem/MovableOnly [ 361.815074] 343324 pages reserved [ 361.818918] ? rcu_irq_exit+0xce/0x100 [ 361.824295] 0 pages cma reserved [ 361.827563] ? irq_exit+0xbd/0x1c0 [ 361.833009] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.836000] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 361.841260] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.844257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.849802] ksoftirqd/0 cpuset= [ 361.853816] ? retint_kernel+0x2d/0x2d [ 361.857284] / [ 361.861246] ? trace_hardirqs_on_caller+0xc0/0x300 [ 361.864617] mems_allowed=0 [ 361.911864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.916674] ? trace_hardirqs_off_caller+0x300/0x300 [ 361.921842] ? graph_lock+0x170/0x170 [ 361.925819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.931419] ? check_preemption_disabled+0x48/0x200 [ 361.936519] ? __lock_is_held+0xb5/0x140 [ 361.940659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.946245] ? check_preemption_disabled+0x48/0x200 [ 361.951352] run_timer_softirq+0x52/0xb0 [ 361.955480] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.960574] __do_softirq+0x30b/0xad8 [ 361.964440] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.969613] ? pvclock_read_flags+0x160/0x160 [ 361.974165] ? lapic_next_event+0x5a/0x90 [ 361.978365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.983950] ? check_preemption_disabled+0x48/0x200 [ 361.989006] ? check_preemption_disabled+0x48/0x200 [ 361.994069] ? kvm_clock_read+0x18/0x30 [ 361.998080] ? kvm_sched_clock_read+0x9/0x20 [ 362.002548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.009278] ? check_preemption_disabled+0x48/0x200 [ 362.014359] irq_exit+0x17f/0x1c0 [ 362.017867] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.022759] ? smp_reschedule_interrupt+0x109/0x650 [ 362.027836] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.033764] ? interrupt_entry+0xb5/0xf0 [ 362.037876] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.042965] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.048036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.052926] ? trace_hardirqs_off+0x300/0x300 [ 362.057617] ? trace_hardirqs_off+0x300/0x300 [ 362.062251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.068033] ? check_preemption_disabled+0x48/0x200 [ 362.074452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.080196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.085092] apic_timer_interrupt+0xf/0x20 [ 362.089365] [ 362.091656] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 362.096634] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 362.115669] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 362.123421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 362.130726] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 362.138210] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 362.145527] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 362.152842] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 362.160241] skb_clone+0x1bb/0x500 [ 362.163826] ? skb_split+0x11e0/0x11e0 [ 362.167791] ? preempt_notifier_register+0x200/0x200 [ 362.172943] ? __switch_to_asm+0x34/0x70 [ 362.177047] ? __switch_to_asm+0x34/0x70 [ 362.181140] ? __switch_to_asm+0x40/0x70 [ 362.185246] ? __switch_to_asm+0x34/0x70 [ 362.189352] ? __switch_to_asm+0x40/0x70 [ 362.193460] ? __switch_to_asm+0x40/0x70 [ 362.197591] ? __switch_to_asm+0x34/0x70 [ 362.201704] ? __switch_to_asm+0x34/0x70 [ 362.205801] ? __switch_to_asm+0x40/0x70 [ 362.209909] ? __switch_to_asm+0x34/0x70 [ 362.214038] bpf_clone_redirect+0xb9/0x490 [ 362.218324] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 362.223383] ? __sched_text_start+0x8/0x8 [ 362.227580] ? retint_kernel+0x2d/0x2d [ 362.231518] ? find_held_lock+0x36/0x1c0 [ 362.235642] ? lock_acquire+0x1ed/0x520 [ 362.239692] ? bpf_test_run+0x32e/0x5a0 [ 362.243721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.249295] ? check_preemption_disabled+0x48/0x200 [ 362.254364] ? kasan_check_read+0x11/0x20 [ 362.258562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.263892] ? rcu_bh_qs+0xc0/0xc0 [ 362.267482] ? preempt_schedule+0x4d/0x60 [ 362.271672] ? ___preempt_schedule+0x16/0x18 [ 362.276130] ? bpf_test_run+0x1c0/0x5a0 [ 362.280159] ? netlink_diag_dump+0x2a0/0x2a0 [ 362.284608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.290192] ? bpf_test_init.isra.9+0x70/0x100 [ 362.294828] ? bpf_prog_test_run_skb+0x634/0xb40 [ 362.299643] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 362.304533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 362.310126] ? fput+0x130/0x1a0 [ 362.313441] ? __bpf_prog_get+0x9b/0x290 [ 362.317557] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 362.322448] ? bpf_prog_test_run+0x130/0x1a0 [ 362.326936] ? __x64_sys_bpf+0x3d8/0x510 [ 362.331052] ? bpf_prog_get+0x20/0x20 [ 362.334910] ? do_syscall_64+0x1b9/0x820 [ 362.339039] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 362.344451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.349431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.354332] ? trace_hardirqs_off+0x300/0x300 [ 362.358866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 362.363925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.369508] ? prepare_exit_to_usermode+0x291/0x3b0 [ 362.374722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.379614] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.385063] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 362.385139] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.391863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.391871] Call Trace: [ 362.391904] dump_stack+0x1c4/0x2b4 [ 362.391918] ? dump_stack_print_info.cold.2+0x52/0x52 [ 362.391943] warn_alloc.cold.118+0xb7/0x1bd [ 362.391959] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.391980] ? lock_downgrade+0x900/0x900 [ 362.398566] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.407895] ? trace_hardirqs_off+0xb8/0x300 [ 362.410481] syz-executor1 cpuset= [ 362.414126] ? trace_hardirqs_off+0xb8/0x300 [ 362.419324] syz1 [ 362.423716] __alloc_pages_slowpath+0x2667/0x2d80 [ 362.428559] mems_allowed=0 [ 362.465744] ? warn_alloc+0x120/0x120 [ 362.469599] ? warn_alloc+0x120/0x120 [ 362.473449] ? print_usage_bug+0xc0/0xc0 [ 362.477571] ? warn_alloc+0x120/0x120 [ 362.481423] ? print_usage_bug+0xc0/0xc0 [ 362.485548] ? __lock_acquire+0x7ec/0x4ec0 [ 362.489849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.495447] ? should_fail+0x22d/0xd01 [ 362.499399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.504569] ? __lock_acquire+0x7ec/0x4ec0 [ 362.508863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.514016] ? __lock_acquire+0x7ec/0x4ec0 [ 362.518293] ? should_fail+0x22d/0xd01 [ 362.522242] ? print_usage_bug+0xc0/0xc0 [ 362.526366] ? mark_held_locks+0x130/0x130 [ 362.530652] ? mark_held_locks+0x130/0x130 [ 362.534929] ? graph_lock+0x170/0x170 [ 362.538770] ? print_usage_bug+0xc0/0xc0 [ 362.542869] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.547675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.553264] ? check_preemption_disabled+0x48/0x200 [ 362.558329] ? check_preemption_disabled+0x48/0x200 [ 362.563408] ? __lock_is_held+0xb5/0x140 [ 362.567518] __alloc_pages_nodemask+0xa80/0xde0 [ 362.572256] ? graph_lock+0x170/0x170 [ 362.576090] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 362.581177] ? graph_lock+0x170/0x170 [ 362.585030] ? find_held_lock+0x36/0x1c0 [ 362.589171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.594759] ? lock_downgrade+0x900/0x900 [ 362.598952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.604572] cache_grow_begin+0x91/0x8c0 [ 362.608676] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.613829] fallback_alloc+0x203/0x2e0 [ 362.617851] ____cache_alloc_node+0x1c7/0x1e0 [ 362.622417] kmem_cache_alloc_node+0xe3/0x730 [ 362.626972] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.631262] __alloc_skb+0x119/0x770 [ 362.635035] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.640389] ? skb_scrub_packet+0x490/0x490 [ 362.644774] ? lock_downgrade+0x900/0x900 [ 362.648974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.654578] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.660077] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.665592] ? addrconf_rs_timer+0x6f0/0x6f0 [ 362.670056] ndisc_alloc_skb+0x144/0x340 [ 362.674191] ndisc_send_rs+0x331/0x6e0 [ 362.678144] addrconf_rs_timer+0x3c0/0x6f0 [ 362.682452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.686736] call_timer_fn+0x272/0x920 [ 362.690663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.694947] ? process_timeout+0x40/0x40 [ 362.699044] ? find_held_lock+0x36/0x1c0 [ 362.703174] ? __run_timers+0x7da/0xc70 [ 362.707184] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.711714] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.716249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.720691] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 362.725306] ? trace_hardirqs_on+0xbd/0x310 [ 362.729660] ? kasan_check_read+0x11/0x20 [ 362.733846] ? __run_timers+0x7da/0xc70 [ 362.737913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.743422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.747708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.751978] __run_timers+0x7e5/0xc70 [ 362.755831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 362.761233] ? compat_start_thread+0x80/0x80 [ 362.765683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.771271] ? _raw_spin_unlock_irq+0x60/0x80 [ 362.775812] ? finish_task_switch+0x1f5/0x900 [ 362.780378] ? finish_task_switch+0x1b5/0x900 [ 362.784930] ? __switch_to_asm+0x34/0x70 [ 362.789033] ? preempt_notifier_register+0x200/0x200 [ 362.794187] ? __switch_to_asm+0x34/0x70 [ 362.798312] ? __switch_to_asm+0x40/0x70 [ 362.802406] ? __switch_to_asm+0x34/0x70 [ 362.806498] ? __switch_to_asm+0x40/0x70 [ 362.810610] ? __switch_to_asm+0x34/0x70 [ 362.814705] ? __switch_to_asm+0x40/0x70 [ 362.818840] ? __switch_to_asm+0x40/0x70 [ 362.822959] ? pvclock_read_flags+0x160/0x160 [ 362.827515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.833104] ? check_preemption_disabled+0x48/0x200 [ 362.838178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.843511] ? rcu_pm_notify+0xc0/0xc0 [ 362.847479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.853057] ? check_preemption_disabled+0x48/0x200 [ 362.858160] run_timer_softirq+0x52/0xb0 [ 362.862268] ? rcu_read_lock_sched_held+0x108/0x120 [ 362.867363] __do_softirq+0x30b/0xad8 [ 362.871215] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 362.876388] ? trace_hardirqs_off_caller+0x300/0x300 [ 362.881546] ? retint_kernel+0x1b/0x2d [ 362.885488] ? schedule+0x108/0x460 [ 362.889184] ? __schedule+0x1ed0/0x1ed0 [ 362.893256] ? trace_hardirqs_off+0xb8/0x300 [ 362.897719] ? ___might_sleep+0x1ed/0x300 [ 362.901910] ? smpboot_thread_fn+0x68b/0xa00 [ 362.906361] ? trace_hardirqs_on+0x310/0x310 [ 362.910825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.916447] ? check_preemption_disabled+0x48/0x200 [ 362.921505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.927093] ? takeover_tasklets+0xa90/0xa90 [ 362.931600] run_ksoftirqd+0x94/0x100 [ 362.935494] smpboot_thread_fn+0x68b/0xa00 [ 362.939794] ? sort_range+0x30/0x30 [ 362.943475] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.948695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.954364] ? __kthread_parkme+0xfb/0x1a0 [ 362.958704] kthread+0x35a/0x420 [ 362.962114] ? sort_range+0x30/0x30 [ 362.965796] ? kthread_bind+0x40/0x40 [ 362.969648] ret_from_fork+0x3a/0x50 [ 362.973425] warn_alloc_show_mem: 1 callbacks suppressed [ 362.973442] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 362.973444] Mem-Info: [ 362.973485] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 362.973485] active_file:18 inactive_file:31 isolated_file:0 [ 362.973485] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.973485] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 362.973485] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 362.973485] free:13670 free_pcp:352 free_cma:0 [ 362.978887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.978908] Call Trace: [ 362.986249] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.988657] [ 363.021751] Node 0 [ 363.031206] dump_stack+0x1c4/0x2b4 [ 363.034260] 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 [ 363.062223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.064347] lowmem_reserve[]: 0 [ 363.066638] warn_alloc.cold.118+0xb7/0x1bd [ 363.070250] 2815 [ 363.095830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.101018] 6318 6318 [ 363.104367] ? lock_downgrade+0x900/0x900 [ 363.108691] Node 0 [ 363.110787] ? trace_hardirqs_off+0xb8/0x300 [ 363.115646] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.118147] ? trace_hardirqs_off+0xb8/0x300 [ 363.122357] lowmem_reserve[]: 0 [ 363.124655] __alloc_pages_slowpath+0x2667/0x2d80 [ 363.129056] 0 [ 363.155862] ? warn_alloc+0x120/0x120 [ 363.160252] 3503 3503 [ 363.163590] ? warn_alloc+0x120/0x120 [ 363.168708] Node 0 [ 363.170559] ? print_usage_bug+0xc0/0xc0 [ 363.174364] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 363.176873] ? warn_alloc+0x120/0x120 [ 363.180673] lowmem_reserve[]: [ 363.182951] ? print_usage_bug+0xc0/0xc0 [ 363.186978] 0 0 [ 363.215954] ? __lock_acquire+0x7ec/0x4ec0 [ 363.219748] 0 [ 363.222901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.226966] 0 [ 363.228991] ? should_fail+0x22d/0xd01 [ 363.233211] Node 0 [ 363.235060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.240579] DMA: 1*4kB [ 363.242434] ? __lock_acquire+0x7ec/0x4ec0 [ 363.246285] (U) 0*8kB [ 363.248577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.253661] 0*16kB 1*32kB [ 363.256288] ? __lock_acquire+0x7ec/0x4ec0 [ 363.260538] (U) [ 363.263051] ? should_fail+0x22d/0xd01 [ 363.268186] 2*64kB [ 363.271095] ? mark_held_locks+0x130/0x130 [ 363.275313] (U) 1*128kB [ 363.277345] ? mark_held_locks+0x130/0x130 [ 363.281201] (U) 1*256kB [ 363.283587] ? graph_lock+0x170/0x170 [ 363.287802] (U) 0*512kB [ 363.290532] ? graph_lock+0x170/0x170 [ 363.294765] 1*1024kB (U) [ 363.297498] ? graph_lock+0x170/0x170 [ 363.301284] 1*2048kB (M) [ 363.304012] ? print_usage_bug+0xc0/0xc0 [ 363.307802] 3*4096kB (M) [ 363.310629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.310654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.314472] = 15908kB [ 363.317283] ? check_preemption_disabled+0x48/0x200 [ 363.321342] Node 0 [ 363.324141] ? check_preemption_disabled+0x48/0x200 [ 363.329677] DMA32: [ 363.335303] ? __lock_is_held+0xb5/0x140 [ 363.337793] 4*4kB [ 363.342889] __alloc_pages_nodemask+0xa80/0xde0 [ 363.345097] (UM) [ 363.350181] ? graph_lock+0x170/0x170 [ 363.352398] 1*8kB (M) [ 363.356529] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 363.358642] 3*16kB [ 363.363418] ? graph_lock+0x170/0x170 [ 363.365451] (M) [ 363.369314] ? find_held_lock+0x36/0x1c0 [ 363.371799] 3*32kB (M) [ 363.376901] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.379105] 1*64kB [ 363.382956] ? lock_downgrade+0x900/0x900 [ 363.384907] (M) 3*128kB [ 363.389053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.391612] (UM) 3*256kB [ 363.396350] cache_grow_begin+0x91/0x8c0 [ 363.398561] (UM) [ 363.402781] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.405429] 4*512kB [ 363.411021] fallback_alloc+0x203/0x2e0 [ 363.413751] (UM) 3*1024kB [ 363.417872] ____cache_alloc_node+0x1c7/0x1e0 [ 363.419905] (M) [ 363.424364] kmem_cache_alloc_node+0xe3/0x730 [ 363.426659] 3*2048kB [ 363.430680] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.433523] (M) [ 363.438073] __alloc_skb+0x119/0x770 [ 363.440018] 3*4096kB (M) = 24936kB [ 363.444573] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.444604] ? skb_scrub_packet+0x490/0x490 [ 363.447045] Node 0 [ 363.451336] ? lock_downgrade+0x900/0x900 [ 363.453286] Normal: 1267*4kB [ 363.457057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.460599] (UMEH) [ 363.465927] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.470261] 430*8kB [ 363.472533] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.476648] (UMEH) 212*16kB [ 363.479822] ? addrconf_rs_timer+0x6f0/0x6f0 [ 363.485349] (UMEH) 35*32kB [ 363.487678] ndisc_alloc_skb+0x144/0x340 [ 363.493115] (MH) [ 363.495485] ndisc_send_rs+0x331/0x6e0 [ 363.500935] 9*64kB (MH) [ 363.504040] addrconf_rs_timer+0x3c0/0x6f0 [ 363.508436] 1*128kB [ 363.511417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.515457] (H) 1*256kB [ 363.517592] call_timer_fn+0x272/0x920 [ 363.521439] (H) 0*512kB [ 363.524166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.528416] 0*1024kB [ 363.530780] ? process_timeout+0x40/0x40 [ 363.535005] 0*2048kB 0*4096kB [ 363.537742] ? find_held_lock+0x36/0x1c0 [ 363.541622] = 13980kB [ 363.544334] ? __run_timers+0x7da/0xc70 [ 363.548575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.551720] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.555769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.555784] 4516 total pagecache pages [ 363.559025] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.563071] 0 pages in swap cache [ 363.565505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.565529] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 363.569522] Swap cache stats: add 0, delete 0, find 0/0 [ 363.569540] Free swap = 0kB [ 363.578449] ? trace_hardirqs_on+0xbd/0x310 [ 363.582980] Total swap = 0kB [ 363.583002] 1965979 pages RAM [ 363.591658] ? kasan_check_read+0x11/0x20 [ 363.595562] 0 pages HighMem/MovableOnly [ 363.595578] 343324 pages reserved [ 363.600208] ? __run_timers+0x7da/0xc70 [ 363.603650] 0 pages cma reserved [ 363.603805] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.607975] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.612804] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.617984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.621002] ksoftirqd/0 cpuset= [ 363.625376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.628388] / [ 363.631531] __run_timers+0x7e5/0xc70 [ 363.635679] mems_allowed=0 [ 363.693106] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 363.698531] ? check_preemption_disabled+0x48/0x200 [ 363.703616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.709180] ? rcu_irq_exit+0xce/0x100 [ 363.713088] ? irq_exit+0xbd/0x1c0 [ 363.716658] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 363.721719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.726523] ? retint_kernel+0x2d/0x2d [ 363.730475] ? trace_hardirqs_on_caller+0xc0/0x300 [ 363.735462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.740280] ? trace_hardirqs_off_caller+0x300/0x300 [ 363.745485] ? graph_lock+0x170/0x170 [ 363.749351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.754950] ? check_preemption_disabled+0x48/0x200 [ 363.760047] ? __lock_is_held+0xb5/0x140 [ 363.764168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.769764] ? check_preemption_disabled+0x48/0x200 [ 363.774889] run_timer_softirq+0x52/0xb0 [ 363.779004] ? rcu_read_lock_sched_held+0x108/0x120 [ 363.784080] __do_softirq+0x30b/0xad8 [ 363.787978] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 363.793178] ? pvclock_read_flags+0x160/0x160 [ 363.797750] ? lapic_next_event+0x5a/0x90 [ 363.802054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.807712] ? check_preemption_disabled+0x48/0x200 [ 363.812796] ? check_preemption_disabled+0x48/0x200 [ 363.817895] ? kvm_clock_read+0x18/0x30 [ 363.821948] ? kvm_sched_clock_read+0x9/0x20 [ 363.826420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.832061] ? check_preemption_disabled+0x48/0x200 [ 363.837157] irq_exit+0x17f/0x1c0 [ 363.840669] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.845585] ? smp_reschedule_interrupt+0x109/0x650 [ 363.850683] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.856649] ? interrupt_entry+0xb5/0xf0 [ 363.860792] ? trace_hardirqs_off_caller+0xbb/0x300 [ 363.865893] ? trace_hardirqs_off_caller+0xbb/0x300 [ 363.871007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.875950] ? trace_hardirqs_off+0x300/0x300 [ 363.880499] ? trace_hardirqs_off+0x300/0x300 [ 363.885145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.890754] ? check_preemption_disabled+0x48/0x200 [ 363.895850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.901561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.906486] apic_timer_interrupt+0xf/0x20 [ 363.910953] [ 363.913231] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.918235] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 363.937173] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 363.944943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.952272] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 363.959596] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 363.966949] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.974278] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 363.981675] skb_clone+0x1bb/0x500 [ 363.985332] ? skb_split+0x11e0/0x11e0 [ 363.989282] ? preempt_notifier_register+0x200/0x200 [ 363.994447] ? __switch_to_asm+0x34/0x70 [ 363.998572] ? __switch_to_asm+0x34/0x70 [ 364.002691] ? __switch_to_asm+0x40/0x70 [ 364.006837] ? __switch_to_asm+0x34/0x70 [ 364.010951] ? __switch_to_asm+0x40/0x70 [ 364.015088] ? __switch_to_asm+0x40/0x70 [ 364.019195] ? __switch_to_asm+0x34/0x70 [ 364.023304] ? __switch_to_asm+0x34/0x70 [ 364.027407] ? __switch_to_asm+0x40/0x70 [ 364.031519] ? __switch_to_asm+0x34/0x70 [ 364.035750] bpf_clone_redirect+0xb9/0x490 [ 364.040146] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 364.045229] ? __sched_text_start+0x8/0x8 [ 364.049436] ? retint_kernel+0x2d/0x2d [ 364.053392] ? find_held_lock+0x36/0x1c0 [ 364.057515] ? lock_acquire+0x1ed/0x520 [ 364.061550] ? bpf_test_run+0x32e/0x5a0 [ 364.065694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.071329] ? check_preemption_disabled+0x48/0x200 [ 364.077066] ? kasan_check_read+0x11/0x20 [ 364.081249] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.086666] ? rcu_bh_qs+0xc0/0xc0 [ 364.090413] ? preempt_schedule+0x4d/0x60 [ 364.094604] ? ___preempt_schedule+0x16/0x18 [ 364.099016] ? bpf_test_run+0x1c0/0x5a0 [ 364.103013] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.107423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.113054] ? bpf_test_init.isra.9+0x70/0x100 [ 364.117678] ? bpf_prog_test_run_skb+0x634/0xb40 [ 364.122435] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.127272] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.132804] ? fput+0x130/0x1a0 [ 364.136129] ? __bpf_prog_get+0x9b/0x290 [ 364.140323] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.145272] ? bpf_prog_test_run+0x130/0x1a0 [ 364.149719] ? __x64_sys_bpf+0x3d8/0x510 [ 364.153773] ? bpf_prog_get+0x20/0x20 [ 364.157636] ? do_syscall_64+0x1b9/0x820 [ 364.161701] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.167196] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.172135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.177036] ? trace_hardirqs_off+0x300/0x300 [ 364.181756] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.187066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.192795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 364.197855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.202921] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.208587] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 364.208641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.215621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.215631] Call Trace: [ 364.215673] dump_stack+0x1c4/0x2b4 [ 364.215691] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.222375] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.232006] warn_alloc.cold.118+0xb7/0x1bd [ 364.234759] syz-executor1 cpuset=syz1 [ 364.238495] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.243721] mems_allowed=0 [ 364.272215] ? lock_downgrade+0x900/0x900 [ 364.276457] ? trace_hardirqs_off+0xb8/0x300 [ 364.280989] ? trace_hardirqs_off+0xb8/0x300 [ 364.285460] __alloc_pages_slowpath+0x2667/0x2d80 [ 364.290502] ? warn_alloc+0x120/0x120 [ 364.294344] ? warn_alloc+0x120/0x120 [ 364.298547] ? print_usage_bug+0xc0/0xc0 [ 364.302640] ? warn_alloc+0x120/0x120 [ 364.306471] ? print_usage_bug+0xc0/0xc0 [ 364.310650] ? __lock_acquire+0x7ec/0x4ec0 [ 364.314917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.320488] ? should_fail+0x22d/0xd01 [ 364.324402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.329532] ? __lock_acquire+0x7ec/0x4ec0 [ 364.333806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.338930] ? __lock_acquire+0x7ec/0x4ec0 [ 364.343194] ? should_fail+0x22d/0xd01 [ 364.347168] ? print_usage_bug+0xc0/0xc0 [ 364.351340] ? mark_held_locks+0x130/0x130 [ 364.355609] ? mark_held_locks+0x130/0x130 [ 364.359875] ? graph_lock+0x170/0x170 [ 364.363727] ? print_usage_bug+0xc0/0xc0 [ 364.367812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.372623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.378204] ? check_preemption_disabled+0x48/0x200 [ 364.383275] ? check_preemption_disabled+0x48/0x200 [ 364.388466] ? __lock_is_held+0xb5/0x140 [ 364.392628] __alloc_pages_nodemask+0xa80/0xde0 [ 364.397341] ? graph_lock+0x170/0x170 [ 364.401172] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 364.406243] ? graph_lock+0x170/0x170 [ 364.410080] ? find_held_lock+0x36/0x1c0 [ 364.414211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.418926] ? lock_downgrade+0x900/0x900 [ 364.423102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.428693] cache_grow_begin+0x91/0x8c0 [ 364.432854] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.437428] fallback_alloc+0x203/0x2e0 [ 364.441493] ____cache_alloc_node+0x1c7/0x1e0 [ 364.446043] kmem_cache_alloc_node+0xe3/0x730 [ 364.450646] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.454967] __alloc_skb+0x119/0x770 [ 364.458724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.464104] ? skb_scrub_packet+0x490/0x490 [ 364.468472] ? lock_downgrade+0x900/0x900 [ 364.472650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.478222] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.483826] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.489379] ? addrconf_rs_timer+0x6f0/0x6f0 [ 364.493850] ndisc_alloc_skb+0x144/0x340 [ 364.497962] ndisc_send_rs+0x331/0x6e0 [ 364.501911] addrconf_rs_timer+0x3c0/0x6f0 [ 364.506200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.510494] call_timer_fn+0x272/0x920 [ 364.514440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.518728] ? process_timeout+0x40/0x40 [ 364.522823] ? find_held_lock+0x36/0x1c0 [ 364.526934] ? __run_timers+0x7da/0xc70 [ 364.530948] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.535492] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.540035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.544330] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.548961] ? trace_hardirqs_on+0xbd/0x310 [ 364.553371] ? kasan_check_read+0x11/0x20 [ 364.557559] ? __run_timers+0x7da/0xc70 [ 364.561587] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.567086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.571413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.575691] __run_timers+0x7e5/0xc70 [ 364.579568] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.585022] ? compat_start_thread+0x80/0x80 [ 364.589531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.595139] ? _raw_spin_unlock_irq+0x60/0x80 [ 364.599721] ? finish_task_switch+0x1f5/0x900 [ 364.604266] ? finish_task_switch+0x1b5/0x900 [ 364.608818] ? __switch_to_asm+0x34/0x70 [ 364.612946] ? preempt_notifier_register+0x200/0x200 [ 364.618088] ? __switch_to_asm+0x34/0x70 [ 364.622182] ? __switch_to_asm+0x40/0x70 [ 364.626286] ? __switch_to_asm+0x34/0x70 [ 364.630379] ? __switch_to_asm+0x40/0x70 [ 364.634488] ? __switch_to_asm+0x34/0x70 [ 364.638616] ? __switch_to_asm+0x40/0x70 [ 364.642722] ? __switch_to_asm+0x40/0x70 [ 364.646828] ? pvclock_read_flags+0x160/0x160 [ 364.651396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.656990] ? check_preemption_disabled+0x48/0x200 [ 364.662063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.667392] ? rcu_pm_notify+0xc0/0xc0 [ 364.671327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.676933] ? check_preemption_disabled+0x48/0x200 [ 364.682013] run_timer_softirq+0x52/0xb0 [ 364.686111] ? rcu_read_lock_sched_held+0x108/0x120 [ 364.691177] __do_softirq+0x30b/0xad8 [ 364.695035] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.700188] ? trace_hardirqs_off_caller+0x300/0x300 [ 364.705338] ? retint_kernel+0x1b/0x2d [ 364.709283] ? schedule+0x108/0x460 [ 364.712951] ? __schedule+0x1ed0/0x1ed0 [ 364.716968] ? trace_hardirqs_off+0xb8/0x300 [ 364.721445] ? ___might_sleep+0x1ed/0x300 [ 364.725658] ? smpboot_thread_fn+0x68b/0xa00 [ 364.730106] ? trace_hardirqs_on+0x310/0x310 [ 364.734574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.740167] ? check_preemption_disabled+0x48/0x200 [ 364.745235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.750847] ? takeover_tasklets+0xa90/0xa90 [ 364.755316] run_ksoftirqd+0x94/0x100 [ 364.759174] smpboot_thread_fn+0x68b/0xa00 [ 364.763456] ? sort_range+0x30/0x30 [ 364.767129] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.772273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.777870] ? __kthread_parkme+0xfb/0x1a0 [ 364.782245] kthread+0x35a/0x420 [ 364.785662] ? sort_range+0x30/0x30 [ 364.789316] ? kthread_bind+0x40/0x40 [ 364.793156] ret_from_fork+0x3a/0x50 [ 364.796948] warn_alloc_show_mem: 1 callbacks suppressed [ 364.796961] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 364.796963] Mem-Info: [ 364.796995] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 364.796995] active_file:18 inactive_file:31 isolated_file:0 [ 364.796995] unevictable:0 dirty:0 writeback:0 unstable:0 [ 364.796995] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 364.796995] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 364.796995] free:13670 free_pcp:352 free_cma:0 [ 364.802403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.802419] Call Trace: [ 364.809744] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 364.812166] [ 364.845264] Node 0 [ 364.854664] dump_stack+0x1c4/0x2b4 [ 364.857270] 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 [ 364.885384] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.887536] lowmem_reserve[]: [ 364.889798] warn_alloc.cold.118+0xb7/0x1bd [ 364.893420] 0 2815 [ 364.918982] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.924191] 6318 [ 364.927527] ? lock_downgrade+0x900/0x900 [ 364.931835] 6318 [ 364.934093] ? trace_hardirqs_off+0xb8/0x300 [ 364.938937] Node 0 [ 364.941038] ? trace_hardirqs_off+0xb8/0x300 [ 364.945208] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 364.947273] __alloc_pages_slowpath+0x2667/0x2d80 [ 364.951678] lowmem_reserve[]: [ 364.953975] ? warn_alloc+0x120/0x120 [ 364.958346] 0 0 [ 364.985161] ? trace_hardirqs_on+0x310/0x310 [ 364.990015] 3503 [ 364.993157] ? warn_alloc+0x120/0x120 [ 364.996978] 3503 [ 364.998994] ? print_usage_bug+0xc0/0xc0 [ 365.003407] Node 0 [ 365.005487] ? warn_alloc+0x120/0x120 [ 365.009320] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 365.011374] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.011396] ? print_usage_bug+0xc0/0xc0 [ 365.015453] lowmem_reserve[]: 0 [ 365.017747] ? __lock_acquire+0x7ec/0x4ec0 [ 365.021529] 0 0 [ 365.050206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.055235] 0 [ 365.059370] ? should_fail+0x22d/0xd01 [ 365.062645] Node 0 [ 365.066927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.068902] DMA: [ 365.074477] ? __lock_acquire+0x7ec/0x4ec0 [ 365.076276] 1*4kB [ 365.080193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.082417] (U) [ 365.087564] ? __lock_acquire+0x7ec/0x4ec0 [ 365.089620] 0*8kB [ 365.093909] ? should_fail+0x22d/0xd01 [ 365.093933] ? print_usage_bug+0xc0/0xc0 [ 365.096086] 0*16kB [ 365.101247] ? mark_held_locks+0x130/0x130 [ 365.103214] 1*32kB [ 365.107486] ? mark_held_locks+0x130/0x130 [ 365.109618] (U) [ 365.113549] ? graph_lock+0x170/0x170 [ 365.117611] 2*64kB (U) [ 365.119884] ? print_usage_bug+0xc0/0xc0 [ 365.124140] 1*128kB (U) [ 365.126427] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.130653] 1*256kB (U) [ 365.132670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.136458] 0*512kB 1*1024kB [ 365.139096] ? check_preemption_disabled+0x48/0x200 [ 365.143161] (U) [ 365.145870] ? check_preemption_disabled+0x48/0x200 [ 365.150695] 1*2048kB [ 365.153395] ? __lock_is_held+0xb5/0x140 [ 365.158935] (M) [ 365.162068] __alloc_pages_nodemask+0xa80/0xde0 [ 365.167085] 3*4096kB [ 365.169082] ? graph_lock+0x170/0x170 [ 365.174087] (M) = 15908kB [ 365.176544] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.180627] Node 0 [ 365.182619] ? graph_lock+0x170/0x170 [ 365.182647] ? find_held_lock+0x36/0x1c0 [ 365.187448] DMA32: 4*4kB [ 365.190039] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.193814] (UM) 1*8kB [ 365.196613] ? lock_downgrade+0x900/0x900 [ 365.201670] (M) 3*16kB [ 365.203951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.207741] (M) [ 365.211923] cache_grow_begin+0x91/0x8c0 [ 365.214706] 3*32kB (M) [ 365.219422] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.221993] 1*64kB (M) [ 365.226189] fallback_alloc+0x203/0x2e0 [ 365.228758] 3*128kB (UM) [ 365.234338] ____cache_alloc_node+0x1c7/0x1e0 [ 365.236309] 3*256kB [ 365.240400] kmem_cache_alloc_node+0xe3/0x730 [ 365.242974] (UM) [ 365.247412] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.249983] 4*512kB [ 365.253991] __alloc_skb+0x119/0x770 [ 365.256742] (UM) [ 365.261275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.263621] 3*1024kB [ 365.268159] ? skb_scrub_packet+0x490/0x490 [ 365.270205] (M) [ 365.274485] ? lock_downgrade+0x900/0x900 [ 365.276784] 3*2048kB (M) [ 365.280536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.282581] 3*4096kB [ 365.287897] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.290289] (M) = 24936kB [ 365.294671] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.296636] Node 0 [ 365.300844] ? addrconf_rs_timer+0x6f0/0x6f0 [ 365.303587] Normal: 1267*4kB [ 365.309183] ndisc_alloc_skb+0x144/0x340 [ 365.311578] (UMEH) [ 365.317067] ndisc_send_rs+0x331/0x6e0 [ 365.319822] 430*8kB [ 365.325316] addrconf_rs_timer+0x3c0/0x6f0 [ 365.327528] (UMEH) 212*16kB [ 365.331994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.335088] (UMEH) [ 365.339203] call_timer_fn+0x272/0x920 [ 365.341421] 35*32kB [ 365.345368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.347679] (MH) [ 365.351978] ? process_timeout+0x40/0x40 [ 365.354990] 9*64kB [ 365.359250] ? find_held_lock+0x36/0x1c0 [ 365.359279] ? __run_timers+0x7da/0xc70 [ 365.361509] (MH) [ 365.365433] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.367740] 1*128kB [ 365.372021] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.374061] (H) [ 365.378159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.378183] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 365.380416] 1*256kB [ 365.384514] ? trace_hardirqs_on+0xbd/0x310 [ 365.388471] (H) 0*512kB 0*1024kB [ 365.390574] ? kasan_check_read+0x11/0x20 [ 365.395055] 0*2048kB 0*4096kB [ 365.397417] ? __run_timers+0x7da/0xc70 [ 365.401914] = 13980kB [ 365.403912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.408150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.412775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.415093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.419448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.422893] 4516 total pagecache pages [ 365.427079] __run_timers+0x7e5/0xc70 [ 365.430301] 0 pages in swap cache [ 365.434331] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 365.436720] Swap cache stats: add 0, delete 0, find 0/0 [ 365.436730] Free swap = 0kB [ 365.442275] ? check_preemption_disabled+0x48/0x200 [ 365.451117] Total swap = 0kB [ 365.451132] 1965979 pages RAM [ 365.455429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.464008] 0 pages HighMem/MovableOnly [ 365.464023] 343324 pages reserved [ 365.468311] ? rcu_irq_exit+0xce/0x100 [ 365.472202] 0 pages cma reserved [ 365.476040] ? irq_exit+0xbd/0x1c0 [ 365.479591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.484926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 365.490481] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.493351] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.498379] ksoftirqd/0 cpuset= [ 365.501434] ? retint_kernel+0x2d/0x2d [ 365.504532] / [ 365.510107] ? trace_hardirqs_on_caller+0xc0/0x300 [ 365.514085] mems_allowed=0 [ 365.517580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.576666] ? trace_hardirqs_off_caller+0x300/0x300 [ 365.581863] ? graph_lock+0x170/0x170 [ 365.585749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.591345] ? check_preemption_disabled+0x48/0x200 [ 365.596446] ? __lock_is_held+0xb5/0x140 [ 365.600590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.606218] ? check_preemption_disabled+0x48/0x200 [ 365.611321] run_timer_softirq+0x52/0xb0 [ 365.615442] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.620543] __do_softirq+0x30b/0xad8 [ 365.624414] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.629611] ? pvclock_read_flags+0x160/0x160 [ 365.634182] ? lapic_next_event+0x5a/0x90 [ 365.638397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.644010] ? check_preemption_disabled+0x48/0x200 [ 365.649067] ? check_preemption_disabled+0x48/0x200 [ 365.654163] ? kvm_clock_read+0x18/0x30 [ 365.658194] ? kvm_sched_clock_read+0x9/0x20 [ 365.662664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.668297] ? check_preemption_disabled+0x48/0x200 [ 365.673399] irq_exit+0x17f/0x1c0 [ 365.676911] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.681819] ? smp_reschedule_interrupt+0x109/0x650 [ 365.686905] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.692873] ? interrupt_entry+0xb5/0xf0 [ 365.696991] ? trace_hardirqs_off_caller+0xbb/0x300 [ 365.702055] ? trace_hardirqs_off_caller+0xbb/0x300 [ 365.707133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.712044] ? trace_hardirqs_off+0x300/0x300 [ 365.716591] ? trace_hardirqs_off+0x300/0x300 [ 365.721145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.726750] ? check_preemption_disabled+0x48/0x200 [ 365.731836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.737492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.742415] apic_timer_interrupt+0xf/0x20 [ 365.746685] [ 365.748960] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 365.753929] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 365.773074] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 365.780848] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 365.788188] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 365.795516] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 365.802830] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 365.810138] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 365.817526] skb_clone+0x1bb/0x500 [ 365.821106] ? skb_split+0x11e0/0x11e0 [ 365.825047] ? preempt_notifier_register+0x200/0x200 [ 365.830205] ? __switch_to_asm+0x34/0x70 [ 365.834317] ? __switch_to_asm+0x34/0x70 [ 365.838423] ? __switch_to_asm+0x40/0x70 [ 365.842540] ? __switch_to_asm+0x34/0x70 [ 365.846646] ? __switch_to_asm+0x40/0x70 [ 365.850759] ? __switch_to_asm+0x40/0x70 [ 365.854857] ? __switch_to_asm+0x34/0x70 [ 365.858967] ? __switch_to_asm+0x34/0x70 [ 365.863055] ? __switch_to_asm+0x40/0x70 [ 365.867177] ? __switch_to_asm+0x34/0x70 [ 365.871306] bpf_clone_redirect+0xb9/0x490 [ 365.875615] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 365.880700] ? __sched_text_start+0x8/0x8 [ 365.884911] ? retint_kernel+0x2d/0x2d [ 365.888890] ? find_held_lock+0x36/0x1c0 [ 365.893010] ? lock_acquire+0x1ed/0x520 [ 365.897038] ? bpf_test_run+0x32e/0x5a0 [ 365.901077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.906673] ? check_preemption_disabled+0x48/0x200 [ 365.911749] ? kasan_check_read+0x11/0x20 [ 365.915951] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.921285] ? rcu_bh_qs+0xc0/0xc0 [ 365.924867] ? preempt_schedule+0x4d/0x60 [ 365.929056] ? ___preempt_schedule+0x16/0x18 [ 365.933526] ? bpf_test_run+0x1c0/0x5a0 [ 365.937556] ? netlink_diag_dump+0x2a0/0x2a0 [ 365.942022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.947616] ? bpf_test_init.isra.9+0x70/0x100 [ 365.952268] ? bpf_prog_test_run_skb+0x634/0xb40 [ 365.957078] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 365.961969] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.967562] ? fput+0x130/0x1a0 [ 365.970871] ? __bpf_prog_get+0x9b/0x290 [ 365.974983] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 365.979911] ? bpf_prog_test_run+0x130/0x1a0 [ 365.984438] ? __x64_sys_bpf+0x3d8/0x510 [ 365.988575] ? bpf_prog_get+0x20/0x20 [ 365.992481] ? do_syscall_64+0x1b9/0x820 [ 365.996597] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.002030] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.007011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.011929] ? trace_hardirqs_off+0x300/0x300 [ 366.016518] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.021641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.027250] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.032351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.037299] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.042764] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 366.042885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.050574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.050582] Call Trace: [ 366.050618] dump_stack+0x1c4/0x2b4 [ 366.050629] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.050648] warn_alloc.cold.118+0xb7/0x1bd [ 366.050658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.050670] ? lock_downgrade+0x900/0x900 [ 366.050687] ? trace_hardirqs_off+0xb8/0x300 [ 366.057321] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.066698] ? trace_hardirqs_off+0xb8/0x300 [ 366.069288] syz-executor1 cpuset= [ 366.072969] __alloc_pages_slowpath+0x2667/0x2d80 [ 366.078169] syz1 [ 366.082588] ? warn_alloc+0x120/0x120 [ 366.087435] mems_allowed=0 [ 366.091826] ? warn_alloc+0x120/0x120 [ 366.132063] ? print_usage_bug+0xc0/0xc0 [ 366.136183] ? warn_alloc+0x120/0x120 [ 366.140043] ? print_usage_bug+0xc0/0xc0 [ 366.144166] ? __lock_acquire+0x7ec/0x4ec0 [ 366.148464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.154070] ? should_fail+0x22d/0xd01 [ 366.158033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.163191] ? __lock_acquire+0x7ec/0x4ec0 [ 366.167507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.172704] ? __lock_acquire+0x7ec/0x4ec0 [ 366.177228] ? should_fail+0x22d/0xd01 [ 366.181164] ? print_usage_bug+0xc0/0xc0 [ 366.185298] ? mark_held_locks+0x130/0x130 [ 366.189611] ? mark_held_locks+0x130/0x130 [ 366.193919] ? graph_lock+0x170/0x170 [ 366.197777] ? print_usage_bug+0xc0/0xc0 [ 366.201897] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.206999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.212747] ? check_preemption_disabled+0x48/0x200 [ 366.217825] ? check_preemption_disabled+0x48/0x200 [ 366.222963] ? __lock_is_held+0xb5/0x140 [ 366.227075] __alloc_pages_nodemask+0xa80/0xde0 [ 366.231820] ? graph_lock+0x170/0x170 [ 366.235679] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.240780] ? graph_lock+0x170/0x170 [ 366.244662] ? find_held_lock+0x36/0x1c0 [ 366.248834] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.253579] ? lock_downgrade+0x900/0x900 [ 366.257811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.263439] cache_grow_begin+0x91/0x8c0 [ 366.267581] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.272053] fallback_alloc+0x203/0x2e0 [ 366.276084] ____cache_alloc_node+0x1c7/0x1e0 [ 366.280660] kmem_cache_alloc_node+0xe3/0x730 [ 366.285224] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.289528] __alloc_skb+0x119/0x770 [ 366.293320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.298678] ? skb_scrub_packet+0x490/0x490 [ 366.303054] ? lock_downgrade+0x900/0x900 [ 366.307270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.312886] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.318453] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.323997] ? addrconf_rs_timer+0x6f0/0x6f0 [ 366.328506] ndisc_alloc_skb+0x144/0x340 [ 366.332658] ndisc_send_rs+0x331/0x6e0 [ 366.336769] addrconf_rs_timer+0x3c0/0x6f0 [ 366.341072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.345388] call_timer_fn+0x272/0x920 [ 366.349355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.353669] ? process_timeout+0x40/0x40 [ 366.357798] ? find_held_lock+0x36/0x1c0 [ 366.361934] ? __run_timers+0x7da/0xc70 [ 366.365984] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.370537] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.375087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.379389] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 366.384061] ? trace_hardirqs_on+0xbd/0x310 [ 366.388441] ? kasan_check_read+0x11/0x20 [ 366.392657] ? __run_timers+0x7da/0xc70 [ 366.396693] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.402222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.406529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.410844] __run_timers+0x7e5/0xc70 [ 366.414726] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.420147] ? compat_start_thread+0x80/0x80 [ 366.424636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.430325] ? _raw_spin_unlock_irq+0x60/0x80 [ 366.434899] ? finish_task_switch+0x1f5/0x900 [ 366.439453] ? finish_task_switch+0x1b5/0x900 [ 366.444031] ? __switch_to_asm+0x34/0x70 [ 366.448153] ? preempt_notifier_register+0x200/0x200 [ 366.453327] ? __switch_to_asm+0x34/0x70 [ 366.457450] ? __switch_to_asm+0x40/0x70 [ 366.461568] ? __switch_to_asm+0x34/0x70 [ 366.465679] ? __switch_to_asm+0x40/0x70 [ 366.469786] ? __switch_to_asm+0x34/0x70 [ 366.473882] ? __switch_to_asm+0x40/0x70 [ 366.477993] ? __switch_to_asm+0x40/0x70 [ 366.482103] ? pvclock_read_flags+0x160/0x160 [ 366.486664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.492263] ? check_preemption_disabled+0x48/0x200 [ 366.497370] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.502731] ? rcu_pm_notify+0xc0/0xc0 [ 366.506974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.512584] ? check_preemption_disabled+0x48/0x200 [ 366.517673] run_timer_softirq+0x52/0xb0 [ 366.521795] ? rcu_read_lock_sched_held+0x108/0x120 [ 366.526878] __do_softirq+0x30b/0xad8 [ 366.530746] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 366.535910] ? trace_hardirqs_off_caller+0x300/0x300 [ 366.541083] ? retint_kernel+0x1b/0x2d [ 366.545028] ? schedule+0x108/0x460 [ 366.548701] ? __schedule+0x1ed0/0x1ed0 [ 366.552732] ? trace_hardirqs_off+0xb8/0x300 [ 366.557195] ? ___might_sleep+0x1ed/0x300 [ 366.561394] ? smpboot_thread_fn+0x68b/0xa00 [ 366.565859] ? trace_hardirqs_on+0x310/0x310 [ 366.570373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.576007] ? check_preemption_disabled+0x48/0x200 [ 366.581068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.586670] ? takeover_tasklets+0xa90/0xa90 [ 366.591151] run_ksoftirqd+0x94/0x100 [ 366.595017] smpboot_thread_fn+0x68b/0xa00 [ 366.599315] ? sort_range+0x30/0x30 [ 366.602994] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.608153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.613753] ? __kthread_parkme+0xfb/0x1a0 [ 366.618066] kthread+0x35a/0x420 [ 366.621448] ? sort_range+0x30/0x30 [ 366.625089] ? kthread_bind+0x40/0x40 [ 366.628923] ret_from_fork+0x3a/0x50 [ 366.632679] warn_alloc_show_mem: 1 callbacks suppressed [ 366.632693] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 366.632695] Mem-Info: [ 366.632726] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 366.632726] active_file:18 inactive_file:31 isolated_file:0 [ 366.632726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.632726] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 366.632726] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 366.632726] free:13670 free_pcp:352 free_cma:0 [ 366.638107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.645403] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.647814] Call Trace: [ 366.681933] Node 0 [ 366.691737] [ 366.719729] 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 [ 366.722309] dump_stack+0x1c4/0x2b4 [ 366.724521] lowmem_reserve[]: 0 [ 366.726700] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.752190] 2815 6318 [ 366.755880] warn_alloc.cold.118+0xb7/0x1bd [ 366.759146] 6318 [ 366.764392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.766884] Node 0 [ 366.771264] ? lock_downgrade+0x900/0x900 [ 366.773335] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.778193] ? trace_hardirqs_off+0xb8/0x300 [ 366.780414] lowmem_reserve[]: [ 366.784596] ? trace_hardirqs_off+0xb8/0x300 [ 366.811316] 0 [ 366.815767] __alloc_pages_slowpath+0x2667/0x2d80 [ 366.818866] 0 3503 [ 366.823352] ? warn_alloc+0x120/0x120 [ 366.825117] 3503 [ 366.830000] ? warn_alloc+0x120/0x120 [ 366.832229] Node 0 [ 366.836064] ? print_usage_bug+0xc0/0xc0 [ 366.838135] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 366.841972] ? warn_alloc+0x120/0x120 [ 366.844203] lowmem_reserve[]: [ 366.848299] ? print_usage_bug+0xc0/0xc0 [ 366.876934] 0 [ 366.880782] ? __lock_acquire+0x7ec/0x4ec0 [ 366.883870] 0 0 [ 366.887982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.889788] 0 [ 366.894070] ? should_fail+0x22d/0xd01 [ 366.896036] Node 0 [ 366.901622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.903410] DMA: [ 366.907339] ? __lock_acquire+0x7ec/0x4ec0 [ 366.909574] 1*4kB [ 366.914757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.916805] (U) [ 366.921079] ? __lock_acquire+0x7ec/0x4ec0 [ 366.923212] 0*8kB 0*16kB [ 366.928392] ? should_fail+0x22d/0xd01 [ 366.930349] 1*32kB (U) [ 366.934630] ? mark_held_locks+0x130/0x130 [ 366.937370] 2*64kB (U) [ 366.941314] ? mark_held_locks+0x130/0x130 [ 366.943882] 1*128kB (U) [ 366.948194] ? graph_lock+0x170/0x170 [ 366.950769] 1*256kB (U) [ 366.955058] ? graph_lock+0x170/0x170 [ 366.957721] 0*512kB [ 366.961565] ? graph_lock+0x170/0x170 [ 366.964232] 1*1024kB (U) [ 366.968074] ? print_usage_bug+0xc0/0xc0 [ 366.970387] 1*2048kB [ 366.974212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.974232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.977002] (M) [ 366.981099] ? check_preemption_disabled+0x48/0x200 [ 366.983505] 3*4096kB [ 366.989125] ? check_preemption_disabled+0x48/0x200 [ 366.994676] (M) [ 366.996685] ? __lock_is_held+0xb5/0x140 [ 367.001679] = 15908kB [ 367.001693] Node 0 [ 367.004129] __alloc_pages_nodemask+0xa80/0xde0 [ 367.009132] DMA32: 4*4kB [ 367.011145] ? graph_lock+0x170/0x170 [ 367.015191] (UM) 1*8kB [ 367.017652] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.019864] (M) [ 367.024573] ? graph_lock+0x170/0x170 [ 367.027321] 3*16kB (M) [ 367.031172] ? find_held_lock+0x36/0x1c0 [ 367.033735] 3*32kB (M) [ 367.038829] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.040773] 1*64kB (M) [ 367.044613] ? lock_downgrade+0x900/0x900 [ 367.047192] 3*128kB (UM) [ 367.051301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.053871] 3*256kB (UM) [ 367.058591] cache_grow_begin+0x91/0x8c0 [ 367.061170] 4*512kB [ 367.065391] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.068134] (UM) 3*1024kB [ 367.073725] fallback_alloc+0x203/0x2e0 [ 367.073750] ____cache_alloc_node+0x1c7/0x1e0 [ 367.076691] (M) [ 367.080800] kmem_cache_alloc_node+0xe3/0x730 [ 367.083108] 3*2048kB (M) [ 367.087796] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.087838] __alloc_skb+0x119/0x770 [ 367.090666] 3*4096kB [ 367.094762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.099336] (M) [ 367.101376] ? skb_scrub_packet+0x490/0x490 [ 367.105848] = 24936kB [ 367.105866] Node 0 [ 367.108670] ? lock_downgrade+0x900/0x900 [ 367.112893] Normal: [ 367.117167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.119543] 1267*4kB [ 367.124900] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.126848] (UMEH) [ 367.131227] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.133613] 430*8kB [ 367.135877] ? addrconf_rs_timer+0x6f0/0x6f0 [ 367.140218] (UMEH) [ 367.142595] ndisc_alloc_skb+0x144/0x340 [ 367.148095] 212*16kB (UMEH) [ 367.150593] ndisc_send_rs+0x331/0x6e0 [ 367.156022] 35*32kB [ 367.158301] addrconf_rs_timer+0x3c0/0x6f0 [ 367.163846] (MH) [ 367.166241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.170619] 9*64kB (MH) [ 367.172936] call_timer_fn+0x272/0x920 [ 367.177058] 1*128kB [ 367.180133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.184157] (H) [ 367.186525] ? process_timeout+0x40/0x40 [ 367.190748] 1*256kB (H) [ 367.192887] ? find_held_lock+0x36/0x1c0 [ 367.197084] 0*512kB [ 367.200054] ? __run_timers+0x7da/0xc70 [ 367.204032] 0*1024kB 0*2048kB [ 367.206441] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.210646] 0*4096kB [ 367.212656] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.216702] = 13980kB [ 367.216725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.219427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.223491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.223505] 4516 total pagecache pages [ 367.225964] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.229924] 0 pages in swap cache [ 367.233185] ? trace_hardirqs_on+0xbd/0x310 [ 367.237687] Swap cache stats: add 0, delete 0, find 0/0 [ 367.237705] Free swap = 0kB [ 367.240151] ? kasan_check_read+0x11/0x20 [ 367.240190] ? __run_timers+0x7da/0xc70 [ 367.244700] Total swap = 0kB [ 367.247134] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.255977] 1965979 pages RAM [ 367.260296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.268864] 0 pages HighMem/MovableOnly [ 367.268882] 343324 pages reserved [ 367.272843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.277412] 0 pages cma reserved [ 367.280907] __run_timers+0x7e5/0xc70 [ 367.285385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.290643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.290658] ? check_preemption_disabled+0x48/0x200 [ 367.290672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.290694] ? rcu_irq_exit+0xce/0x100 [ 367.290730] ? irq_exit+0xbd/0x1c0 [ 367.298180] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.301949] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.304949] ksoftirqd/0 cpuset= [ 367.310445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.313543] / [ 367.317828] ? retint_kernel+0x2d/0x2d [ 367.321816] mems_allowed=0 [ 367.325304] ? trace_hardirqs_on_caller+0xc0/0x300 [ 367.403647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.408481] ? trace_hardirqs_off_caller+0x300/0x300 [ 367.413642] ? graph_lock+0x170/0x170 [ 367.417494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.423077] ? check_preemption_disabled+0x48/0x200 [ 367.428179] ? __lock_is_held+0xb5/0x140 [ 367.432282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.437906] ? check_preemption_disabled+0x48/0x200 [ 367.443029] run_timer_softirq+0x52/0xb0 [ 367.447141] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.452211] __do_softirq+0x30b/0xad8 [ 367.456087] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.461242] ? pvclock_read_flags+0x160/0x160 [ 367.465787] ? lapic_next_event+0x5a/0x90 [ 367.470019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.475636] ? check_preemption_disabled+0x48/0x200 [ 367.480706] ? check_preemption_disabled+0x48/0x200 [ 367.485800] ? kvm_clock_read+0x18/0x30 [ 367.489847] ? kvm_sched_clock_read+0x9/0x20 [ 367.494328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.499924] ? check_preemption_disabled+0x48/0x200 [ 367.505027] irq_exit+0x17f/0x1c0 [ 367.508532] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.513497] ? smp_reschedule_interrupt+0x109/0x650 [ 367.518593] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.524560] ? interrupt_entry+0xb5/0xf0 [ 367.528711] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.533834] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.538920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.543848] ? trace_hardirqs_off+0x300/0x300 [ 367.548392] ? trace_hardirqs_off+0x300/0x300 [ 367.552964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.558658] ? check_preemption_disabled+0x48/0x200 [ 367.563753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.569364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.574284] apic_timer_interrupt+0xf/0x20 [ 367.578567] [ 367.580860] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 367.585860] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 367.604831] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 367.612603] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.619969] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 367.627335] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 367.634663] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 367.641997] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 367.649398] skb_clone+0x1bb/0x500 [ 367.652995] ? skb_split+0x11e0/0x11e0 [ 367.656929] ? preempt_notifier_register+0x200/0x200 [ 367.662076] ? __switch_to_asm+0x34/0x70 [ 367.666193] ? __switch_to_asm+0x34/0x70 [ 367.670302] ? __switch_to_asm+0x40/0x70 [ 367.674415] ? __switch_to_asm+0x34/0x70 [ 367.678509] ? __switch_to_asm+0x40/0x70 [ 367.682668] ? __switch_to_asm+0x40/0x70 [ 367.686771] ? __switch_to_asm+0x34/0x70 [ 367.690886] ? __switch_to_asm+0x34/0x70 [ 367.695001] ? __switch_to_asm+0x40/0x70 [ 367.699101] ? __switch_to_asm+0x34/0x70 [ 367.703225] bpf_clone_redirect+0xb9/0x490 [ 367.707520] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 367.712621] ? __sched_text_start+0x8/0x8 [ 367.716817] ? retint_kernel+0x2d/0x2d [ 367.720792] ? find_held_lock+0x36/0x1c0 [ 367.724908] ? lock_acquire+0x1ed/0x520 [ 367.728917] ? bpf_test_run+0x32e/0x5a0 [ 367.732945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.738531] ? check_preemption_disabled+0x48/0x200 [ 367.743613] ? kasan_check_read+0x11/0x20 [ 367.747819] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.753179] ? rcu_bh_qs+0xc0/0xc0 [ 367.756765] ? preempt_schedule+0x4d/0x60 [ 367.760959] ? ___preempt_schedule+0x16/0x18 [ 367.765420] ? bpf_test_run+0x1c0/0x5a0 [ 367.769447] ? netlink_diag_dump+0x2a0/0x2a0 [ 367.773925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.779573] ? bpf_test_init.isra.9+0x70/0x100 [ 367.784292] ? bpf_prog_test_run_skb+0x634/0xb40 [ 367.790005] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 367.794925] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.800531] ? fput+0x130/0x1a0 [ 367.803869] ? __bpf_prog_get+0x9b/0x290 [ 367.807980] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 367.812901] ? bpf_prog_test_run+0x130/0x1a0 [ 367.817366] ? __x64_sys_bpf+0x3d8/0x510 [ 367.821491] ? bpf_prog_get+0x20/0x20 [ 367.825366] ? do_syscall_64+0x1b9/0x820 [ 367.829471] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 367.834892] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.839870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.844779] ? trace_hardirqs_off+0x300/0x300 [ 367.849324] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 367.854401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.860000] ? prepare_exit_to_usermode+0x291/0x3b0 [ 367.865108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.870029] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.875462] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 367.875584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.882350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.882359] Call Trace: [ 367.882403] dump_stack+0x1c4/0x2b4 [ 367.882417] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.882444] warn_alloc.cold.118+0xb7/0x1bd [ 367.882459] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.882483] ? lock_downgrade+0x900/0x900 [ 367.889098] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.898423] ? trace_hardirqs_off+0xb8/0x300 [ 367.900995] syz-executor1 cpuset= [ 367.904680] ? trace_hardirqs_off+0xb8/0x300 [ 367.909877] syz1 [ 367.914262] __alloc_pages_slowpath+0x2667/0x2d80 [ 367.919083] mems_allowed=0 [ 367.955903] ? warn_alloc+0x120/0x120 [ 367.959764] ? warn_alloc+0x120/0x120 [ 367.963621] ? print_usage_bug+0xc0/0xc0 [ 367.967734] ? warn_alloc+0x120/0x120 [ 367.971597] ? print_usage_bug+0xc0/0xc0 [ 367.975719] ? __lock_acquire+0x7ec/0x4ec0 [ 367.980016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.985641] ? should_fail+0x22d/0xd01 [ 367.989624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.994816] ? __lock_acquire+0x7ec/0x4ec0 [ 367.999136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.004363] ? __lock_acquire+0x7ec/0x4ec0 [ 368.008690] ? should_fail+0x22d/0xd01 [ 368.012632] ? ret_from_fork+0x3a/0x50 [ 368.016604] ? mark_held_locks+0x130/0x130 [ 368.020928] ? mark_held_locks+0x130/0x130 [ 368.025238] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 368.031214] ? ret_from_fork+0x3a/0x50 [ 368.035169] ? unwind_dump+0x190/0x190 [ 368.039099] ? graph_lock+0x170/0x170 [ 368.042964] ? print_usage_bug+0xc0/0xc0 [ 368.047095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.052770] ? check_preemption_disabled+0x48/0x200 [ 368.057860] ? check_preemption_disabled+0x48/0x200 [ 368.062968] ? __lock_is_held+0xb5/0x140 [ 368.067077] __alloc_pages_nodemask+0xa80/0xde0 [ 368.071849] ? graph_lock+0x170/0x170 [ 368.075724] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.080838] ? graph_lock+0x170/0x170 [ 368.084717] ? find_held_lock+0x36/0x1c0 [ 368.088864] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.093991] ? lock_downgrade+0x900/0x900 [ 368.098227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.103872] cache_grow_begin+0x91/0x8c0 [ 368.108042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.112506] fallback_alloc+0x203/0x2e0 [ 368.116534] ____cache_alloc_node+0x1c7/0x1e0 [ 368.121201] kmem_cache_alloc_node+0xe3/0x730 [ 368.125749] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.130046] __alloc_skb+0x119/0x770 [ 368.133819] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.139190] ? skb_scrub_packet+0x490/0x490 [ 368.143591] ? lock_downgrade+0x900/0x900 [ 368.147794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.153453] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.159001] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.164529] ? addrconf_rs_timer+0x6f0/0x6f0 [ 368.169009] ndisc_alloc_skb+0x144/0x340 [ 368.174005] ndisc_send_rs+0x331/0x6e0 [ 368.177959] addrconf_rs_timer+0x3c0/0x6f0 [ 368.182255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.186584] call_timer_fn+0x272/0x920 [ 368.190542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.194839] ? process_timeout+0x40/0x40 [ 368.198939] ? find_held_lock+0x36/0x1c0 [ 368.203056] ? __run_timers+0x7da/0xc70 [ 368.207059] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.211612] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.216136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.220452] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 368.225110] ? trace_hardirqs_on+0xbd/0x310 [ 368.229495] ? kasan_check_read+0x11/0x20 [ 368.233716] ? __run_timers+0x7da/0xc70 [ 368.237752] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.243309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.247619] __run_timers+0x7e5/0xc70 [ 368.251526] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 368.256978] ? compat_start_thread+0x80/0x80 [ 368.261459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.267116] ? _raw_spin_unlock_irq+0x60/0x80 [ 368.271681] ? finish_task_switch+0x1f5/0x900 [ 368.276234] ? finish_task_switch+0x1b5/0x900 [ 368.280875] ? __switch_to_asm+0x34/0x70 [ 368.285005] ? preempt_notifier_register+0x200/0x200 [ 368.290208] ? __switch_to_asm+0x34/0x70 [ 368.294346] ? __switch_to_asm+0x40/0x70 [ 368.298469] ? __switch_to_asm+0x34/0x70 [ 368.302585] ? __switch_to_asm+0x40/0x70 [ 368.306690] ? __switch_to_asm+0x34/0x70 [ 368.310806] ? __switch_to_asm+0x40/0x70 [ 368.314948] ? __switch_to_asm+0x40/0x70 [ 368.319065] ? pvclock_read_flags+0x160/0x160 [ 368.323659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.329307] ? check_preemption_disabled+0x48/0x200 [ 368.334415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.339807] ? rcu_pm_notify+0xc0/0xc0 [ 368.343778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.349434] ? check_preemption_disabled+0x48/0x200 [ 368.354564] run_timer_softirq+0x52/0xb0 [ 368.358728] ? rcu_read_lock_sched_held+0x108/0x120 [ 368.363879] __do_softirq+0x30b/0xad8 [ 368.367797] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 368.372986] ? trace_hardirqs_off_caller+0x300/0x300 [ 368.378169] ? retint_kernel+0x1b/0x2d [ 368.382127] ? schedule+0x108/0x460 [ 368.385817] ? __schedule+0x1ed0/0x1ed0 [ 368.389876] ? trace_hardirqs_off+0xb8/0x300 [ 368.394415] ? ___might_sleep+0x1ed/0x300 [ 368.398619] ? smpboot_thread_fn+0x68b/0xa00 [ 368.403064] ? trace_hardirqs_on+0x310/0x310 [ 368.407562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.413206] ? check_preemption_disabled+0x48/0x200 [ 368.418352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.424019] ? takeover_tasklets+0xa90/0xa90 [ 368.428518] run_ksoftirqd+0x94/0x100 [ 368.432397] smpboot_thread_fn+0x68b/0xa00 [ 368.436784] ? sort_range+0x30/0x30 [ 368.440515] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.445721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.451360] ? __kthread_parkme+0xfb/0x1a0 [ 368.455712] kthread+0x35a/0x420 [ 368.459120] ? sort_range+0x30/0x30 [ 368.462820] ? kthread_bind+0x40/0x40 [ 368.466698] ret_from_fork+0x3a/0x50 [ 368.470491] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 368.470499] warn_alloc_show_mem: 1 callbacks suppressed [ 368.470517] Mem-Info: [ 368.477868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.477898] Call Trace: [ 368.483378] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 368.483378] active_file:18 inactive_file:31 isolated_file:0 [ 368.483378] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.483378] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 368.483378] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 368.483378] free:13670 free_pcp:352 free_cma:0 [ 368.485777] [ 368.495248] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.497862] dump_stack+0x1c4/0x2b4 [ 368.530940] Node 0 [ 368.533193] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.561106] 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 [ 368.564781] warn_alloc.cold.118+0xb7/0x1bd [ 368.566963] lowmem_reserve[]: [ 368.572307] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.597849] 0 2815 [ 368.602297] ? lock_downgrade+0x900/0x900 [ 368.605389] 6318 6318 [ 368.610372] ? trace_hardirqs_off+0xb8/0x300 [ 368.616784] ? trace_hardirqs_off+0xb8/0x300 [ 368.619239] Node 0 [ 368.623708] __alloc_pages_slowpath+0x2667/0x2d80 [ 368.628107] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 368.630395] ? warn_alloc+0x120/0x120 [ 368.635195] lowmem_reserve[]: 0 [ 368.662060] ? warn_alloc+0x120/0x120 [ 368.665865] 0 [ 368.669209] ? print_usage_bug+0xc0/0xc0 [ 368.672984] 3503 3503 [ 368.674868] ? warn_alloc+0x120/0x120 [ 368.681453] ? print_usage_bug+0xc0/0xc0 [ 368.685224] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 368.689435] ? __lock_acquire+0x7ec/0x4ec0 [ 368.689467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.718796] lowmem_reserve[]: [ 368.723076] ? should_fail+0x22d/0xd01 [ 368.728639] 0 [ 368.731811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.735649] 0 0 [ 368.737536] ? __lock_acquire+0x7ec/0x4ec0 [ 368.742604] 0 [ 368.744670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.748875] Node 0 [ 368.750709] ? __lock_acquire+0x7ec/0x4ec0 [ 368.755827] DMA: [ 368.758093] ? should_fail+0x22d/0xd01 [ 368.762312] 1*4kB [ 368.764437] ? mark_held_locks+0x130/0x130 [ 368.768280] (U) [ 368.770470] ? mark_held_locks+0x130/0x130 [ 368.774672] 0*8kB 0*16kB [ 368.776733] ? graph_lock+0x170/0x170 [ 368.780922] 1*32kB (U) [ 368.783793] ? graph_lock+0x170/0x170 [ 368.787555] 2*64kB [ 368.790186] ? graph_lock+0x170/0x170 [ 368.793954] (U) [ 368.796276] ? print_usage_bug+0xc0/0xc0 [ 368.800038] 1*128kB (U) [ 368.802054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.806115] 1*256kB (U) [ 368.808881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.814429] 0*512kB [ 368.817148] ? check_preemption_disabled+0x48/0x200 [ 368.822694] 1*1024kB (U) [ 368.825060] ? check_preemption_disabled+0x48/0x200 [ 368.830063] 1*2048kB [ 368.832903] ? __lock_is_held+0xb5/0x140 [ 368.837870] (M) 3*4096kB [ 368.840391] __alloc_pages_nodemask+0xa80/0xde0 [ 368.844395] (M) = 15908kB [ 368.847218] ? graph_lock+0x170/0x170 [ 368.851876] Node 0 [ 368.854704] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.858447] DMA32: [ 368.860804] ? graph_lock+0x170/0x170 [ 368.865799] 4*4kB (UM) [ 368.868102] ? find_held_lock+0x36/0x1c0 [ 368.871860] 1*8kB (M) [ 368.874499] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.878550] 3*16kB (M) [ 368.881076] ? lock_downgrade+0x900/0x900 [ 368.885745] 3*32kB (M) [ 368.888435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.892541] 1*64kB [ 368.895179] cache_grow_begin+0x91/0x8c0 [ 368.900691] (M) 3*128kB [ 368.903050] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.907046] (UM) 3*256kB [ 368.909793] fallback_alloc+0x203/0x2e0 [ 368.914150] (UM) 4*512kB [ 368.917003] ____cache_alloc_node+0x1c7/0x1e0 [ 368.920924] (UM) 3*1024kB [ 368.923876] kmem_cache_alloc_node+0xe3/0x730 [ 368.928334] (M) 3*2048kB [ 368.931277] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.935732] (M) 3*4096kB [ 368.938589] __alloc_skb+0x119/0x770 [ 368.942769] (M) = 24936kB [ 368.945619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.949315] Node 0 [ 368.952099] ? skb_scrub_packet+0x490/0x490 [ 368.957358] Normal: 1267*4kB [ 368.959675] ? lock_downgrade+0x900/0x900 [ 368.963959] (UMEH) [ 368.967093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.971223] 430*8kB (UMEH) [ 368.973504] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.979047] 212*16kB (UMEH) [ 368.982049] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.987488] 35*32kB [ 368.990560] ? addrconf_rs_timer+0x6f0/0x6f0 [ 368.995974] (MH) 9*64kB [ 368.998415] ndisc_alloc_skb+0x144/0x340 [ 369.002755] (MH) 1*128kB [ 369.005501] ndisc_send_rs+0x331/0x6e0 [ 369.009845] (H) 1*256kB (H) [ 369.012704] addrconf_rs_timer+0x3c0/0x6f0 [ 369.016549] 0*512kB 0*1024kB [ 369.019650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.023838] 0*2048kB 0*4096kB [ 369.027045] call_timer_fn+0x272/0x920 [ 369.031220] = 13980kB [ 369.034501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.038350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.040807] ? process_timeout+0x40/0x40 [ 369.045031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.045044] 4516 total pagecache pages [ 369.054035] ? find_held_lock+0x36/0x1c0 [ 369.054073] ? __run_timers+0x7da/0xc70 [ 369.058128] 0 pages in swap cache [ 369.066854] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.070690] Swap cache stats: add 0, delete 0, find 0/0 [ 369.070702] Free swap = 0kB [ 369.074865] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.078811] Total swap = 0kB [ 369.082323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.086820] 1965979 pages RAM [ 369.092290] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 369.095271] 0 pages HighMem/MovableOnly [ 369.095283] 343324 pages reserved [ 369.099885] ? trace_hardirqs_on+0xbd/0x310 [ 369.102868] 0 pages cma reserved [ 369.107165] ? kasan_check_read+0x11/0x20 [ 369.110514] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.114968] ? __run_timers+0x7da/0xc70 [ 369.120812] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.123972] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.128311] ksoftirqd/0 cpuset= [ 369.131721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.135897] / [ 369.142555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.146545] mems_allowed=0 [ 369.156958] __run_timers+0x7e5/0xc70 [ 369.182622] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.187995] ? check_preemption_disabled+0x48/0x200 [ 369.193022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.199444] ? rcu_irq_exit+0xce/0x100 [ 369.203518] ? irq_exit+0xbd/0x1c0 [ 369.207095] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.212169] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.217034] ? retint_kernel+0x2d/0x2d [ 369.221004] ? trace_hardirqs_on_caller+0xc0/0x300 [ 369.226104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.231048] ? trace_hardirqs_off_caller+0x300/0x300 [ 369.236286] ? graph_lock+0x170/0x170 [ 369.240205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.245887] ? check_preemption_disabled+0x48/0x200 [ 369.251073] ? __lock_is_held+0xb5/0x140 [ 369.255286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.260978] ? check_preemption_disabled+0x48/0x200 [ 369.266169] run_timer_softirq+0x52/0xb0 [ 369.270348] ? rcu_read_lock_sched_held+0x108/0x120 [ 369.275480] __do_softirq+0x30b/0xad8 [ 369.279390] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 369.284725] ? pvclock_read_flags+0x160/0x160 [ 369.289349] ? lapic_next_event+0x5a/0x90 [ 369.293593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.299230] ? check_preemption_disabled+0x48/0x200 [ 369.304350] ? check_preemption_disabled+0x48/0x200 [ 369.309479] ? kvm_clock_read+0x18/0x30 [ 369.313525] ? kvm_sched_clock_read+0x9/0x20 [ 369.318041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.323668] ? check_preemption_disabled+0x48/0x200 [ 369.328780] irq_exit+0x17f/0x1c0 [ 369.332331] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.337233] ? smp_reschedule_interrupt+0x109/0x650 [ 369.342326] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.348341] ? interrupt_entry+0xb5/0xf0 [ 369.352485] ? trace_hardirqs_off_caller+0xbb/0x300 [ 369.357582] ? trace_hardirqs_off_caller+0xbb/0x300 [ 369.362668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.367586] ? trace_hardirqs_off+0x300/0x300 [ 369.372138] ? trace_hardirqs_off+0x300/0x300 [ 369.376710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.382303] ? check_preemption_disabled+0x48/0x200 [ 369.387373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.392993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.398020] apic_timer_interrupt+0xf/0x20 [ 369.402335] [ 369.404637] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.409650] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 369.428638] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 369.436462] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.443804] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 369.451165] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 369.458506] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.465877] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 369.473280] skb_clone+0x1bb/0x500 [ 369.476929] ? skb_split+0x11e0/0x11e0 [ 369.480887] ? preempt_notifier_register+0x200/0x200 [ 369.486059] ? __switch_to_asm+0x34/0x70 [ 369.490179] ? __switch_to_asm+0x34/0x70 [ 369.494333] ? __switch_to_asm+0x40/0x70 [ 369.498486] ? __switch_to_asm+0x34/0x70 [ 369.502672] ? __switch_to_asm+0x40/0x70 [ 369.506854] ? __switch_to_asm+0x40/0x70 [ 369.510977] ? __switch_to_asm+0x34/0x70 [ 369.515088] ? __switch_to_asm+0x34/0x70 [ 369.519231] ? __switch_to_asm+0x40/0x70 [ 369.523398] ? __switch_to_asm+0x34/0x70 [ 369.527592] bpf_clone_redirect+0xb9/0x490 [ 369.531925] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 369.537285] ? __sched_text_start+0x8/0x8 [ 369.541518] ? retint_kernel+0x2d/0x2d [ 369.545479] ? find_held_lock+0x36/0x1c0 [ 369.549651] ? lock_acquire+0x1ed/0x520 [ 369.553732] ? bpf_test_run+0x32e/0x5a0 [ 369.557866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.563476] ? check_preemption_disabled+0x48/0x200 [ 369.568581] ? kasan_check_read+0x11/0x20 [ 369.572814] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.578191] ? rcu_bh_qs+0xc0/0xc0 [ 369.581850] ? preempt_schedule+0x4d/0x60 [ 369.586064] ? ___preempt_schedule+0x16/0x18 [ 369.590551] ? bpf_test_run+0x1c0/0x5a0 [ 369.594619] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.599105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.604788] ? bpf_test_init.isra.9+0x70/0x100 [ 369.609469] ? bpf_prog_test_run_skb+0x634/0xb40 [ 369.614334] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.619290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.624926] ? fput+0x130/0x1a0 [ 369.628272] ? __bpf_prog_get+0x9b/0x290 [ 369.632430] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.637420] ? bpf_prog_test_run+0x130/0x1a0 [ 369.641946] ? __x64_sys_bpf+0x3d8/0x510 [ 369.646076] ? bpf_prog_get+0x20/0x20 [ 369.649999] ? do_syscall_64+0x1b9/0x820 [ 369.654141] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.659630] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.664646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.669593] ? trace_hardirqs_off+0x300/0x300 [ 369.674175] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.679411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.685088] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.690274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.695252] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.700716] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 369.700926] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.707557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.707587] Call Trace: [ 369.714657] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.723600] dump_stack+0x1c4/0x2b4 [ 369.726168] syz-executor1 cpuset= [ 369.736757] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.740397] syz1 [ 369.743976] warn_alloc.cold.118+0xb7/0x1bd [ 369.749159] mems_allowed=0 [ 369.758540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.763517] ? lock_downgrade+0x900/0x900 [ 369.767793] ? trace_hardirqs_off+0xb8/0x300 [ 369.772354] ? trace_hardirqs_off+0xb8/0x300 [ 369.776909] __alloc_pages_slowpath+0x2667/0x2d80 [ 369.781877] ? warn_alloc+0x120/0x120 [ 369.785788] ? warn_alloc+0x120/0x120 [ 369.789718] ? print_usage_bug+0xc0/0xc0 [ 369.793857] ? warn_alloc+0x120/0x120 [ 369.797737] ? print_usage_bug+0xc0/0xc0 [ 369.801906] ? __lock_acquire+0x7ec/0x4ec0 [ 369.806252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.811887] ? should_fail+0x22d/0xd01 [ 369.816129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.821321] ? __lock_acquire+0x7ec/0x4ec0 [ 369.825657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.830840] ? __lock_acquire+0x7ec/0x4ec0 [ 369.835135] ? should_fail+0x22d/0xd01 [ 369.839079] ? print_usage_bug+0xc0/0xc0 [ 369.843225] ? mark_held_locks+0x130/0x130 [ 369.847541] ? mark_held_locks+0x130/0x130 [ 369.851865] ? graph_lock+0x170/0x170 [ 369.855750] ? print_usage_bug+0xc0/0xc0 [ 369.859871] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.864744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.870456] ? check_preemption_disabled+0x48/0x200 [ 369.875573] ? check_preemption_disabled+0x48/0x200 [ 369.880705] ? __lock_is_held+0xb5/0x140 [ 369.884867] __alloc_pages_nodemask+0xa80/0xde0 [ 369.889651] ? graph_lock+0x170/0x170 [ 369.893624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.898735] ? graph_lock+0x170/0x170 [ 369.902659] ? find_held_lock+0x36/0x1c0 [ 369.906797] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.911549] ? lock_downgrade+0x900/0x900 [ 369.915794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.921443] cache_grow_begin+0x91/0x8c0 [ 369.925630] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.930272] fallback_alloc+0x203/0x2e0 [ 369.934367] ____cache_alloc_node+0x1c7/0x1e0 [ 369.938962] kmem_cache_alloc_node+0xe3/0x730 [ 369.943529] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.947851] __alloc_skb+0x119/0x770 [ 369.951638] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.957022] ? skb_scrub_packet+0x490/0x490 [ 369.961460] ? lock_downgrade+0x900/0x900 [ 369.965735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.971363] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.977085] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.982606] ? addrconf_rs_timer+0x6f0/0x6f0 [ 369.987103] ndisc_alloc_skb+0x144/0x340 [ 369.991250] ndisc_send_rs+0x331/0x6e0 [ 369.995309] addrconf_rs_timer+0x3c0/0x6f0 [ 369.999687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.004040] call_timer_fn+0x272/0x920 [ 370.008045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.012369] ? process_timeout+0x40/0x40 [ 370.016508] ? find_held_lock+0x36/0x1c0 [ 370.020668] ? __run_timers+0x7da/0xc70 [ 370.024760] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.029369] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.033956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.038293] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.042975] ? trace_hardirqs_on+0xbd/0x310 [ 370.047383] ? kasan_check_read+0x11/0x20 [ 370.051636] ? __run_timers+0x7da/0xc70 [ 370.055761] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.061320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.065672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.069986] __run_timers+0x7e5/0xc70 [ 370.073931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.079420] ? compat_start_thread+0x80/0x80 [ 370.083956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.089643] ? _raw_spin_unlock_irq+0x60/0x80 [ 370.094285] ? finish_task_switch+0x1f5/0x900 [ 370.098913] ? finish_task_switch+0x1b5/0x900 [ 370.103515] ? __switch_to_asm+0x34/0x70 [ 370.107673] ? preempt_notifier_register+0x200/0x200 [ 370.112898] ? __switch_to_asm+0x34/0x70 [ 370.117102] ? __switch_to_asm+0x40/0x70 [ 370.121260] ? __switch_to_asm+0x34/0x70 [ 370.125469] ? __switch_to_asm+0x40/0x70 [ 370.129607] ? __switch_to_asm+0x34/0x70 [ 370.133729] ? __switch_to_asm+0x40/0x70 [ 370.137869] ? __switch_to_asm+0x40/0x70 [ 370.142014] ? pvclock_read_flags+0x160/0x160 [ 370.146605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.152210] ? check_preemption_disabled+0x48/0x200 [ 370.157334] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.162761] ? rcu_pm_notify+0xc0/0xc0 [ 370.166754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.172387] ? check_preemption_disabled+0x48/0x200 [ 370.177518] run_timer_softirq+0x52/0xb0 [ 370.181669] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.186801] __do_softirq+0x30b/0xad8 [ 370.190711] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.195906] ? trace_hardirqs_off_caller+0x300/0x300 [ 370.201084] ? retint_kernel+0x1b/0x2d [ 370.205195] ? schedule+0x108/0x460 [ 370.208933] ? __schedule+0x1ed0/0x1ed0 [ 370.213010] ? trace_hardirqs_off+0xb8/0x300 [ 370.217519] ? ___might_sleep+0x1ed/0x300 [ 370.221746] ? smpboot_thread_fn+0x68b/0xa00 [ 370.226228] ? trace_hardirqs_on+0x310/0x310 [ 370.230731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.236371] ? check_preemption_disabled+0x48/0x200 [ 370.241468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.247131] ? takeover_tasklets+0xa90/0xa90 [ 370.251617] run_ksoftirqd+0x94/0x100 [ 370.255473] smpboot_thread_fn+0x68b/0xa00 [ 370.259898] ? sort_range+0x30/0x30 [ 370.263593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.268755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.274361] ? __kthread_parkme+0xfb/0x1a0 [ 370.278663] kthread+0x35a/0x420 [ 370.282075] ? sort_range+0x30/0x30 [ 370.285750] ? kthread_bind+0x40/0x40 [ 370.289607] ret_from_fork+0x3a/0x50 [ 370.293386] warn_alloc_show_mem: 1 callbacks suppressed [ 370.293401] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 370.293404] Mem-Info: [ 370.293442] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 370.293442] active_file:18 inactive_file:31 isolated_file:0 [ 370.293442] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.293442] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 370.293442] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 370.293442] free:13670 free_pcp:352 free_cma:0 [ 370.298810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.298830] Call Trace: [ 370.306159] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.308577] [ 370.341762] Node 0 [ 370.351212] dump_stack+0x1c4/0x2b4 [ 370.353817] 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 [ 370.381990] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.384108] lowmem_reserve[]: 0 [ 370.386399] warn_alloc.cold.118+0xb7/0x1bd [ 370.390037] 2815 6318 [ 370.415652] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.420856] 6318 [ 370.424181] ? lock_downgrade+0x900/0x900 [ 370.431057] ? trace_hardirqs_off+0xb8/0x300 [ 370.435912] Node 0 [ 370.438035] ? trace_hardirqs_off+0xb8/0x300 [ 370.442194] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.446690] __alloc_pages_slowpath+0x2667/0x2d80 [ 370.448869] lowmem_reserve[]: [ 370.453374] ? warn_alloc+0x120/0x120 [ 370.480054] 0 0 [ 370.485039] ? warn_alloc+0x120/0x120 [ 370.488111] 3503 3503 [ 370.491987] ? print_usage_bug+0xc0/0xc0 [ 370.497796] ? warn_alloc+0x120/0x120 [ 370.500268] Node 0 [ 370.504413] ? print_usage_bug+0xc0/0xc0 [ 370.508216] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 370.510467] ? __lock_acquire+0x7ec/0x4ec0 [ 370.514599] lowmem_reserve[]: 0 [ 370.543585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.547782] 0 0 [ 370.551140] ? should_fail+0x22d/0xd01 [ 370.556650] 0 [ 370.558750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.562609] Node 0 [ 370.564453] ? __lock_acquire+0x7ec/0x4ec0 [ 370.569556] DMA: [ 370.571879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.576050] 1*4kB [ 370.578158] ? __lock_acquire+0x7ec/0x4ec0 [ 370.583233] (U) 0*8kB [ 370.585461] ? should_fail+0x22d/0xd01 [ 370.589663] 0*16kB [ 370.592247] ? mark_held_locks+0x130/0x130 [ 370.596056] 1*32kB (U) [ 370.598396] ? mark_held_locks+0x130/0x130 [ 370.602561] 2*64kB (U) [ 370.605209] ? try_to_wake_up+0x10a/0x12f0 [ 370.609409] 1*128kB (U) [ 370.612053] ? graph_lock+0x170/0x170 [ 370.616296] 1*256kB [ 370.619034] ? print_usage_bug+0xc0/0xc0 [ 370.622792] (U) [ 370.625167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.629203] 0*512kB [ 370.631225] ? check_preemption_disabled+0x48/0x200 [ 370.636759] 1*1024kB [ 370.639117] ? check_preemption_disabled+0x48/0x200 [ 370.644134] (U) [ 370.646611] ? __lock_is_held+0xb5/0x140 [ 370.651604] 1*2048kB [ 370.653643] __alloc_pages_nodemask+0xa80/0xde0 [ 370.659485] (M) [ 370.661951] ? graph_lock+0x170/0x170 [ 370.666584] 3*4096kB [ 370.668641] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.672385] (M) = 15908kB [ 370.674866] ? graph_lock+0x170/0x170 [ 370.679899] Node 0 DMA32: [ 370.682750] ? find_held_lock+0x36/0x1c0 [ 370.686520] 4*4kB [ 370.689445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.693443] (UM) 1*8kB [ 370.695689] ? lock_downgrade+0x900/0x900 [ 370.700303] (M) 3*16kB [ 370.702992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.707077] (M) [ 370.709726] cache_grow_begin+0x91/0x8c0 [ 370.715247] 3*32kB (M) [ 370.717347] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.721338] 1*64kB [ 370.723978] fallback_alloc+0x203/0x2e0 [ 370.728409] (M) [ 370.730723] ____cache_alloc_node+0x1c7/0x1e0 [ 370.734647] 3*128kB (UM) [ 370.736701] kmem_cache_alloc_node+0xe3/0x730 [ 370.741150] 3*256kB (UM) [ 370.744007] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.748473] 4*512kB [ 370.751289] __alloc_skb+0x119/0x770 [ 370.755490] (UM) [ 370.757869] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.761537] 3*1024kB (M) [ 370.763662] ? skb_scrub_packet+0x490/0x490 [ 370.768932] 3*2048kB (M) [ 370.771789] ? lock_downgrade+0x900/0x900 [ 370.776047] 3*4096kB (M) [ 370.778893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.783012] = 24936kB [ 370.785818] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.791369] Node 0 [ 370.793870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.799389] Normal: 1267*4kB [ 370.801734] ? addrconf_rs_timer+0x6f0/0x6f0 [ 370.807173] (UMEH) 430*8kB [ 370.810418] ndisc_alloc_skb+0x144/0x340 [ 370.814784] (UMEH) 212*16kB [ 370.817859] ndisc_send_rs+0x331/0x6e0 [ 370.821935] (UMEH) [ 370.824997] addrconf_rs_timer+0x3c0/0x6f0 [ 370.828875] 35*32kB [ 370.831159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.835359] (MH) 9*64kB [ 370.837783] call_timer_fn+0x272/0x920 [ 370.841980] (MH) 1*128kB [ 370.844737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.848610] (H) [ 370.851443] ? process_timeout+0x40/0x40 [ 370.855646] 1*256kB [ 370.857663] ? find_held_lock+0x36/0x1c0 [ 370.861695] (H) 0*512kB [ 370.864094] ? __run_timers+0x7da/0xc70 [ 370.868113] 0*1024kB 0*2048kB [ 370.870871] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.874797] 0*4096kB = 13980kB [ 370.878055] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.882558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.885799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.885847] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.890384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.890402] 4516 total pagecache pages [ 370.899376] ? trace_hardirqs_on+0xbd/0x310 [ 370.903594] 0 pages in swap cache [ 370.908225] ? kasan_check_read+0x11/0x20 [ 370.908278] ? __run_timers+0x7da/0xc70 [ 370.916939] Swap cache stats: add 0, delete 0, find 0/0 [ 370.916971] Free swap = 0kB [ 370.921087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.925415] Total swap = 0kB [ 370.925449] 1965979 pages RAM [ 370.928956] ? work_on_cpu_safe+0x90/0x90 [ 370.933049] 0 pages HighMem/MovableOnly [ 370.933060] 343324 pages reserved [ 370.937114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.942459] 0 pages cma reserved [ 370.942801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.945553] __run_timers+0x7e5/0xc70 [ 370.951438] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.954100] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.957172] ksoftirqd/0 cpuset= [ 370.961383] ? check_preemption_disabled+0x48/0x200 [ 370.961416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.965397] / [ 370.968946] ? rcu_irq_exit+0xce/0x100 [ 370.973130] mems_allowed=0 [ 371.026071] ? irq_exit+0xbd/0x1c0 [ 371.029665] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.034804] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.039683] ? retint_kernel+0x2d/0x2d [ 371.043657] ? trace_hardirqs_on_caller+0xc0/0x300 [ 371.048690] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.053557] ? trace_hardirqs_off_caller+0x300/0x300 [ 371.058817] ? graph_lock+0x170/0x170 [ 371.062720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.068368] ? check_preemption_disabled+0x48/0x200 [ 371.073558] ? __lock_is_held+0xb5/0x140 [ 371.077731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.083372] ? check_preemption_disabled+0x48/0x200 [ 371.088530] run_timer_softirq+0x52/0xb0 [ 371.092682] ? rcu_read_lock_sched_held+0x108/0x120 [ 371.097801] __do_softirq+0x30b/0xad8 [ 371.101715] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 371.107008] ? pvclock_read_flags+0x160/0x160 [ 371.111563] ? lapic_next_event+0x5a/0x90 [ 371.115803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.122550] ? check_preemption_disabled+0x48/0x200 [ 371.127653] ? check_preemption_disabled+0x48/0x200 [ 371.132980] ? kvm_clock_read+0x18/0x30 [ 371.137031] ? kvm_sched_clock_read+0x9/0x20 [ 371.141492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.147160] ? check_preemption_disabled+0x48/0x200 [ 371.152352] irq_exit+0x17f/0x1c0 [ 371.155864] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.160802] ? smp_reschedule_interrupt+0x109/0x650 [ 371.165976] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.172059] ? interrupt_entry+0xb5/0xf0 [ 371.176273] ? trace_hardirqs_off_caller+0xbb/0x300 [ 371.181471] ? trace_hardirqs_off_caller+0xbb/0x300 [ 371.186591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.191499] ? trace_hardirqs_off+0x300/0x300 [ 371.196070] ? trace_hardirqs_off+0x300/0x300 [ 371.200643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.206307] ? check_preemption_disabled+0x48/0x200 [ 371.211420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.217053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.222045] apic_timer_interrupt+0xf/0x20 [ 371.226348] [ 371.228676] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.233667] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 371.252702] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 371.260552] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.267956] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 371.275338] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 371.282723] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.290075] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 371.297517] skb_clone+0x1bb/0x500 [ 371.301132] ? skb_split+0x11e0/0x11e0 [ 371.305067] ? preempt_notifier_register+0x200/0x200 [ 371.310293] ? __switch_to_asm+0x34/0x70 [ 371.314427] ? __switch_to_asm+0x34/0x70 [ 371.318531] ? __switch_to_asm+0x40/0x70 [ 371.322667] ? __switch_to_asm+0x34/0x70 [ 371.326797] ? __switch_to_asm+0x40/0x70 [ 371.330937] ? __switch_to_asm+0x40/0x70 [ 371.335040] ? __switch_to_asm+0x34/0x70 [ 371.339181] ? __switch_to_asm+0x34/0x70 [ 371.343299] ? __switch_to_asm+0x40/0x70 [ 371.347393] ? __switch_to_asm+0x34/0x70 [ 371.351550] bpf_clone_redirect+0xb9/0x490 [ 371.355897] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 371.361025] ? __sched_text_start+0x8/0x8 [ 371.365230] ? retint_kernel+0x2d/0x2d [ 371.369223] ? find_held_lock+0x36/0x1c0 [ 371.373352] ? lock_acquire+0x1ed/0x520 [ 371.377431] ? bpf_test_run+0x32e/0x5a0 [ 371.381470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.387060] ? check_preemption_disabled+0x48/0x200 [ 371.392119] ? kasan_check_read+0x11/0x20 [ 371.396356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.401720] ? rcu_bh_qs+0xc0/0xc0 [ 371.405314] ? preempt_schedule+0x4d/0x60 [ 371.409510] ? ___preempt_schedule+0x16/0x18 [ 371.414019] ? bpf_test_run+0x1c0/0x5a0 [ 371.418050] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.422526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.428159] ? bpf_test_init.isra.9+0x70/0x100 [ 371.432812] ? bpf_prog_test_run_skb+0x634/0xb40 [ 371.437690] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.442608] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.448265] ? fput+0x130/0x1a0 [ 371.451611] ? __bpf_prog_get+0x9b/0x290 [ 371.455758] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.460671] ? bpf_prog_test_run+0x130/0x1a0 [ 371.465158] ? __x64_sys_bpf+0x3d8/0x510 [ 371.469284] ? bpf_prog_get+0x20/0x20 [ 371.473154] ? do_syscall_64+0x1b9/0x820 [ 371.477299] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.482756] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.487793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.492735] ? trace_hardirqs_off+0x300/0x300 [ 371.497344] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.502452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.508063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.513131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.518048] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.523528] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 371.523765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.530365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.530376] Call Trace: [ 371.530441] dump_stack+0x1c4/0x2b4 [ 371.530457] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.530495] warn_alloc.cold.118+0xb7/0x1bd [ 371.530510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.530535] ? lock_downgrade+0x900/0x900 [ 371.530570] ? trace_hardirqs_off+0xb8/0x300 [ 371.537282] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.546628] ? trace_hardirqs_off+0xb8/0x300 [ 371.549175] syz-executor1 cpuset= [ 371.552861] __alloc_pages_slowpath+0x2667/0x2d80 [ 371.558051] syz1 [ 371.562474] ? warn_alloc+0x120/0x120 [ 371.567344] mems_allowed=0 [ 371.608140] ? warn_alloc+0x120/0x120 [ 371.612009] ? print_usage_bug+0xc0/0xc0 [ 371.616116] ? warn_alloc+0x120/0x120 [ 371.619994] ? print_usage_bug+0xc0/0xc0 [ 371.624098] ? __lock_acquire+0x7ec/0x4ec0 [ 371.628408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.634047] ? should_fail+0x22d/0xd01 [ 371.637982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.643145] ? __lock_acquire+0x7ec/0x4ec0 [ 371.647563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.652761] ? __lock_acquire+0x7ec/0x4ec0 [ 371.657054] ? should_fail+0x22d/0xd01 [ 371.661009] ? print_usage_bug+0xc0/0xc0 [ 371.665143] ? mark_held_locks+0x130/0x130 [ 371.669405] ? mark_held_locks+0x130/0x130 [ 371.673680] ? graph_lock+0x170/0x170 [ 371.677533] ? print_usage_bug+0xc0/0xc0 [ 371.681646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.686423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.691972] ? check_preemption_disabled+0x48/0x200 [ 371.696993] ? check_preemption_disabled+0x48/0x200 [ 371.702049] ? __lock_is_held+0xb5/0x140 [ 371.706132] __alloc_pages_nodemask+0xa80/0xde0 [ 371.710845] ? graph_lock+0x170/0x170 [ 371.714663] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.719684] ? graph_lock+0x170/0x170 [ 371.723514] ? find_held_lock+0x36/0x1c0 [ 371.727598] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.732278] ? lock_downgrade+0x900/0x900 [ 371.736438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.741990] cache_grow_begin+0x91/0x8c0 [ 371.746055] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.750484] fallback_alloc+0x203/0x2e0 [ 371.754514] ____cache_alloc_node+0x1c7/0x1e0 [ 371.759078] kmem_cache_alloc_node+0xe3/0x730 [ 371.763669] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.767981] __alloc_skb+0x119/0x770 [ 371.771809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.777213] ? skb_scrub_packet+0x490/0x490 [ 371.781614] ? lock_downgrade+0x900/0x900 [ 371.785854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.791461] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.797046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.802589] ? addrconf_rs_timer+0x6f0/0x6f0 [ 371.807118] ndisc_alloc_skb+0x144/0x340 [ 371.811287] ndisc_send_rs+0x331/0x6e0 [ 371.815274] addrconf_rs_timer+0x3c0/0x6f0 [ 371.819596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.823937] call_timer_fn+0x272/0x920 [ 371.827911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.832242] ? process_timeout+0x40/0x40 [ 371.836376] ? find_held_lock+0x36/0x1c0 [ 371.840514] ? __run_timers+0x7da/0xc70 [ 371.844568] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.849136] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.853705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.858008] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 371.862646] ? trace_hardirqs_on+0xbd/0x310 [ 371.867041] ? kasan_check_read+0x11/0x20 [ 371.871279] ? __run_timers+0x7da/0xc70 [ 371.875331] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.880875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.885185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.889506] __run_timers+0x7e5/0xc70 [ 371.893393] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.898810] ? compat_start_thread+0x80/0x80 [ 371.903287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.908892] ? _raw_spin_unlock_irq+0x60/0x80 [ 371.913449] ? finish_task_switch+0x1f5/0x900 [ 371.918023] ? finish_task_switch+0x1b5/0x900 [ 371.922593] ? __switch_to_asm+0x34/0x70 [ 371.926743] ? preempt_notifier_register+0x200/0x200 [ 371.931947] ? __switch_to_asm+0x34/0x70 [ 371.936081] ? __switch_to_asm+0x40/0x70 [ 371.940212] ? __switch_to_asm+0x34/0x70 [ 371.944363] ? __switch_to_asm+0x40/0x70 [ 371.948511] ? __switch_to_asm+0x34/0x70 [ 371.952659] ? __switch_to_asm+0x40/0x70 [ 371.956804] ? __switch_to_asm+0x40/0x70 [ 371.960953] ? pvclock_read_flags+0x160/0x160 [ 371.965566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.971189] ? check_preemption_disabled+0x48/0x200 [ 371.976336] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.981704] ? rcu_pm_notify+0xc0/0xc0 [ 371.985699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.991335] ? check_preemption_disabled+0x48/0x200 [ 371.996511] run_timer_softirq+0x52/0xb0 [ 372.000661] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.005779] __do_softirq+0x30b/0xad8 [ 372.009679] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.014868] ? trace_hardirqs_off_caller+0x300/0x300 [ 372.020031] ? retint_kernel+0x1b/0x2d [ 372.024022] ? schedule+0x108/0x460 [ 372.027725] ? __schedule+0x1ed0/0x1ed0 [ 372.031779] ? trace_hardirqs_off+0xb8/0x300 [ 372.036255] ? ___might_sleep+0x1ed/0x300 [ 372.040494] ? smpboot_thread_fn+0x68b/0xa00 [ 372.045003] ? trace_hardirqs_on+0x310/0x310 [ 372.049499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.055125] ? check_preemption_disabled+0x48/0x200 [ 372.060237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.065852] ? takeover_tasklets+0xa90/0xa90 [ 372.070356] run_ksoftirqd+0x94/0x100 [ 372.074223] smpboot_thread_fn+0x68b/0xa00 [ 372.078524] ? sort_range+0x30/0x30 [ 372.082190] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.087355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.092993] ? __kthread_parkme+0xfb/0x1a0 [ 372.097295] kthread+0x35a/0x420 [ 372.100739] ? sort_range+0x30/0x30 [ 372.104415] ? kthread_bind+0x40/0x40 [ 372.108286] ret_from_fork+0x3a/0x50 [ 372.112054] warn_alloc_show_mem: 1 callbacks suppressed [ 372.112067] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 372.112069] Mem-Info: [ 372.112106] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 372.112106] active_file:18 inactive_file:31 isolated_file:0 [ 372.112106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.112106] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 372.112106] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 372.112106] free:13670 free_pcp:352 free_cma:0 [ 372.117475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.117483] Call Trace: [ 372.117501] [ 372.124829] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.127272] dump_stack+0x1c4/0x2b4 [ 372.160372] Node 0 [ 372.169790] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.172378] 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 [ 372.174538] warn_alloc.cold.118+0xb7/0x1bd [ 372.202451] lowmem_reserve[]: 0 [ 372.206159] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.208357] 2815 6318 [ 372.213614] ? lock_downgrade+0x900/0x900 [ 372.239128] 6318 [ 372.243507] ? trace_hardirqs_off+0xb8/0x300 [ 372.246777] Node 0 [ 372.251681] ? trace_hardirqs_off+0xb8/0x300 [ 372.254184] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 372.258342] __alloc_pages_slowpath+0x2667/0x2d80 [ 372.260377] lowmem_reserve[]: [ 372.264860] ? warn_alloc+0x120/0x120 [ 372.267041] 0 [ 372.271488] ? warn_alloc+0x120/0x120 [ 372.298213] 0 3503 [ 372.303119] ? print_usage_bug+0xc0/0xc0 [ 372.306210] 3503 [ 372.310063] ? warn_alloc+0x120/0x120 [ 372.315696] ? print_usage_bug+0xc0/0xc0 [ 372.317897] Node 0 [ 372.322007] ? __lock_acquire+0x7ec/0x4ec0 [ 372.324067] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 372.327935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.331979] lowmem_reserve[]: 0 [ 372.334268] ? should_fail+0x22d/0xd01 [ 372.338501] 0 0 [ 372.367205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.372740] 0 [ 372.376047] ? __lock_acquire+0x7ec/0x4ec0 [ 372.381928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.387045] Node 0 [ 372.388904] ? __lock_acquire+0x7ec/0x4ec0 [ 372.393108] DMA: 1*4kB [ 372.398283] ? should_fail+0x22d/0xd01 [ 372.400499] (U) [ 372.404774] ? mark_held_locks+0x130/0x130 [ 372.407360] 0*8kB [ 372.411306] ? mark_held_locks+0x130/0x130 [ 372.413246] 0*16kB [ 372.417525] ? graph_lock+0x170/0x170 [ 372.419661] 1*32kB [ 372.423928] ? graph_lock+0x170/0x170 [ 372.426145] (U) [ 372.429975] ? graph_lock+0x170/0x170 [ 372.432191] 2*64kB [ 372.436027] ? print_usage_bug+0xc0/0xc0 [ 372.437995] (U) [ 372.441848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.444053] 1*128kB [ 372.448143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.450095] (U) [ 372.455665] ? check_preemption_disabled+0x48/0x200 [ 372.457973] 1*256kB [ 372.463640] ? check_preemption_disabled+0x48/0x200 [ 372.463677] ? __lock_is_held+0xb5/0x140 [ 372.465650] (U) [ 372.470701] __alloc_pages_nodemask+0xa80/0xde0 [ 372.473029] 0*512kB [ 372.478082] ? graph_lock+0x170/0x170 [ 372.482129] 1*1024kB (U) [ 372.484143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.488838] 1*2048kB (M) [ 372.491197] ? graph_lock+0x170/0x170 [ 372.494982] 3*4096kB (M) [ 372.497783] ? find_held_lock+0x36/0x1c0 [ 372.502777] = 15908kB [ 372.502790] Node 0 [ 372.505583] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.509376] DMA32: [ 372.512158] ? lock_downgrade+0x900/0x900 [ 372.516217] 4*4kB [ 372.518662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.520867] (UM) [ 372.525606] cache_grow_begin+0x91/0x8c0 [ 372.527810] 1*8kB [ 372.532006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.534126] (M) [ 372.539702] fallback_alloc+0x203/0x2e0 [ 372.541741] 3*16kB [ 372.545951] ____cache_alloc_node+0x1c7/0x1e0 [ 372.548097] (M) [ 372.552544] kmem_cache_alloc_node+0xe3/0x730 [ 372.554490] 3*32kB [ 372.558877] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.561087] (M) 1*64kB [ 372.565633] __alloc_skb+0x119/0x770 [ 372.567587] (M) [ 372.572128] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.574335] 3*128kB [ 372.578618] ? skb_scrub_packet+0x490/0x490 [ 372.581210] (UM) [ 372.584980] ? lock_downgrade+0x900/0x900 [ 372.586905] 3*256kB [ 372.592231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.594527] (UM) [ 372.598928] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.600947] 4*512kB [ 372.605132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.607422] (UM) [ 372.613044] ? addrconf_rs_timer+0x6f0/0x6f0 [ 372.615079] 3*1024kB [ 372.620593] ndisc_alloc_skb+0x144/0x340 [ 372.622890] (M) [ 372.628416] ndisc_send_rs+0x331/0x6e0 [ 372.630452] 3*2048kB [ 372.634941] addrconf_rs_timer+0x3c0/0x6f0 [ 372.637323] (M) [ 372.641448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.643384] 3*4096kB [ 372.647320] call_timer_fn+0x272/0x920 [ 372.649715] (M) [ 372.653983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.655932] = 24936kB [ 372.660220] ? process_timeout+0x40/0x40 [ 372.662598] Node 0 [ 372.666515] ? find_held_lock+0x36/0x1c0 [ 372.666551] ? __run_timers+0x7da/0xc70 [ 372.668517] Normal: [ 372.672815] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.675186] 1267*4kB [ 372.679291] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.681502] (UMEH) [ 372.685606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.689579] 430*8kB [ 372.691935] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 372.696406] (UMEH) 212*16kB [ 372.698879] ? trace_hardirqs_on+0xbd/0x310 [ 372.703410] (UMEH) [ 372.705668] ? kasan_check_read+0x11/0x20 [ 372.709887] 35*32kB (MH) [ 372.712252] ? __run_timers+0x7da/0xc70 [ 372.716808] 9*64kB (MH) [ 372.719892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.724199] 1*128kB (H) [ 372.726485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.730633] 1*256kB [ 372.733424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.737435] (H) [ 372.740138] __run_timers+0x7e5/0xc70 [ 372.745583] 0*512kB [ 372.748291] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 372.752511] 0*1024kB [ 372.754882] ? check_preemption_disabled+0x48/0x200 [ 372.754910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.759154] 0*2048kB [ 372.761164] ? rcu_irq_exit+0xce/0x100 [ 372.764943] 0*4096kB [ 372.767297] ? irq_exit+0xbd/0x1c0 [ 372.772668] = 13980kB [ 372.772690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.775117] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.780169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.780185] 4516 total pagecache pages [ 372.785801] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.788196] 0 pages in swap cache [ 372.792129] ? retint_kernel+0x2d/0x2d [ 372.794520] Swap cache stats: add 0, delete 0, find 0/0 [ 372.794530] Free swap = 0kB [ 372.798128] ? trace_hardirqs_on_caller+0xc0/0x300 [ 372.800509] Total swap = 0kB [ 372.800523] 1965979 pages RAM [ 372.809393] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.814403] 0 pages HighMem/MovableOnly [ 372.814418] 343324 pages reserved [ 372.823077] ? trace_hardirqs_off_caller+0x300/0x300 [ 372.826942] 0 pages cma reserved [ 372.827067] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.831755] ? graph_lock+0x170/0x170 [ 372.831776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.831789] ? check_preemption_disabled+0x48/0x200 [ 372.831819] ? __lock_is_held+0xb5/0x140 [ 372.835441] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.839238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.844603] ksoftirqd/0 cpuset= [ 372.847646] ? check_preemption_disabled+0x48/0x200 [ 372.852575] / [ 372.855623] run_timer_softirq+0x52/0xb0 [ 372.858717] mems_allowed=0 [ 372.863515] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.942470] __do_softirq+0x30b/0xad8 [ 372.946325] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.951525] ? pvclock_read_flags+0x160/0x160 [ 372.956072] ? lapic_next_event+0x5a/0x90 [ 372.960294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.965891] ? check_preemption_disabled+0x48/0x200 [ 372.970958] ? check_preemption_disabled+0x48/0x200 [ 372.976064] ? kvm_clock_read+0x18/0x30 [ 372.980081] ? kvm_sched_clock_read+0x9/0x20 [ 372.984571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.990170] ? check_preemption_disabled+0x48/0x200 [ 372.995254] irq_exit+0x17f/0x1c0 [ 372.998784] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.003687] ? smp_reschedule_interrupt+0x109/0x650 [ 373.008795] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.015301] ? interrupt_entry+0xb5/0xf0 [ 373.019431] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.024526] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.029619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.034533] ? trace_hardirqs_off+0x300/0x300 [ 373.039075] ? trace_hardirqs_off+0x300/0x300 [ 373.043629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.049242] ? check_preemption_disabled+0x48/0x200 [ 373.054334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.059965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.064884] apic_timer_interrupt+0xf/0x20 [ 373.069164] [ 373.071438] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.076443] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 373.095414] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 373.103252] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.110603] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 373.118740] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 373.126069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.133403] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 373.140844] skb_clone+0x1bb/0x500 [ 373.144459] ? skb_split+0x11e0/0x11e0 [ 373.148410] ? preempt_notifier_register+0x200/0x200 [ 373.153613] ? __switch_to_asm+0x34/0x70 [ 373.157745] ? __switch_to_asm+0x34/0x70 [ 373.161929] ? __switch_to_asm+0x40/0x70 [ 373.166031] ? __switch_to_asm+0x34/0x70 [ 373.170144] ? __switch_to_asm+0x40/0x70 [ 373.174303] ? __switch_to_asm+0x40/0x70 [ 373.178406] ? __switch_to_asm+0x34/0x70 [ 373.182493] ? __switch_to_asm+0x34/0x70 [ 373.186566] ? __switch_to_asm+0x40/0x70 [ 373.190742] ? __switch_to_asm+0x34/0x70 [ 373.194895] bpf_clone_redirect+0xb9/0x490 [ 373.199184] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 373.204296] ? __sched_text_start+0x8/0x8 [ 373.208503] ? retint_kernel+0x2d/0x2d [ 373.212444] ? find_held_lock+0x36/0x1c0 [ 373.216578] ? lock_acquire+0x1ed/0x520 [ 373.220608] ? bpf_test_run+0x32e/0x5a0 [ 373.224637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.230271] ? check_preemption_disabled+0x48/0x200 [ 373.235389] ? kasan_check_read+0x11/0x20 [ 373.239607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.244975] ? rcu_bh_qs+0xc0/0xc0 [ 373.248567] ? preempt_schedule+0x4d/0x60 [ 373.252768] ? ___preempt_schedule+0x16/0x18 [ 373.257263] ? bpf_test_run+0x1c0/0x5a0 [ 373.261306] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.265798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.271438] ? bpf_test_init.isra.9+0x70/0x100 [ 373.276073] ? bpf_prog_test_run_skb+0x634/0xb40 [ 373.280891] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.285793] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.291417] ? fput+0x130/0x1a0 [ 373.294743] ? __bpf_prog_get+0x9b/0x290 [ 373.298867] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.303796] ? bpf_prog_test_run+0x130/0x1a0 [ 373.308297] ? __x64_sys_bpf+0x3d8/0x510 [ 373.312415] ? bpf_prog_get+0x20/0x20 [ 373.316316] ? do_syscall_64+0x1b9/0x820 [ 373.320492] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.325987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.331024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.335965] ? trace_hardirqs_off+0x300/0x300 [ 373.340565] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 373.345705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.351385] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.356503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.361467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.366961] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 373.367135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.373809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.373821] Call Trace: [ 373.373921] dump_stack+0x1c4/0x2b4 [ 373.373936] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.373971] warn_alloc.cold.118+0xb7/0x1bd [ 373.373990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.374016] ? lock_downgrade+0x900/0x900 [ 373.374046] ? trace_hardirqs_off+0xb8/0x300 [ 373.374065] ? trace_hardirqs_off+0xb8/0x300 [ 373.380939] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.390121] __alloc_pages_slowpath+0x2667/0x2d80 [ 373.392667] syz-executor1 cpuset= [ 373.396385] ? warn_alloc+0x120/0x120 [ 373.401545] syz1 [ 373.405941] ? warn_alloc+0x120/0x120 [ 373.410777] mems_allowed=0 [ 373.455258] ? print_usage_bug+0xc0/0xc0 [ 373.459385] ? warn_alloc+0x120/0x120 [ 373.463241] ? print_usage_bug+0xc0/0xc0 [ 373.467371] ? __lock_acquire+0x7ec/0x4ec0 [ 373.471675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.477348] ? should_fail+0x22d/0xd01 [ 373.481313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.486494] ? __lock_acquire+0x7ec/0x4ec0 [ 373.490833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.496039] ? __lock_acquire+0x7ec/0x4ec0 [ 373.500329] ? should_fail+0x22d/0xd01 [ 373.504342] ? mark_held_locks+0x130/0x130 [ 373.508682] ? mark_held_locks+0x130/0x130 [ 373.512991] ? graph_lock+0x170/0x170 [ 373.516852] ? graph_lock+0x170/0x170 [ 373.520718] ? graph_lock+0x170/0x170 [ 373.524605] ? print_usage_bug+0xc0/0xc0 [ 373.528722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.534402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.540024] ? check_preemption_disabled+0x48/0x200 [ 373.545081] ? check_preemption_disabled+0x48/0x200 [ 373.550189] ? __lock_is_held+0xb5/0x140 [ 373.554323] __alloc_pages_nodemask+0xa80/0xde0 [ 373.559062] ? graph_lock+0x170/0x170 [ 373.562905] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.567990] ? graph_lock+0x170/0x170 [ 373.571861] ? find_held_lock+0x36/0x1c0 [ 373.575998] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.580762] ? lock_downgrade+0x900/0x900 [ 373.584995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.590681] cache_grow_begin+0x91/0x8c0 [ 373.594835] ? do_raw_spin_unlock+0xa7/0x2f0 [ 373.599319] fallback_alloc+0x203/0x2e0 [ 373.603366] ____cache_alloc_node+0x1c7/0x1e0 [ 373.607954] kmem_cache_alloc_node+0xe3/0x730 [ 373.612728] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.617049] __alloc_skb+0x119/0x770 [ 373.620893] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.626299] ? skb_scrub_packet+0x490/0x490 [ 373.630723] ? lock_downgrade+0x900/0x900 [ 373.634938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.640569] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.646108] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.651637] ? addrconf_rs_timer+0x6f0/0x6f0 [ 373.656123] ndisc_alloc_skb+0x144/0x340 [ 373.660296] ndisc_send_rs+0x331/0x6e0 [ 373.664260] addrconf_rs_timer+0x3c0/0x6f0 [ 373.669449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.673775] call_timer_fn+0x272/0x920 [ 373.677715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.682049] ? process_timeout+0x40/0x40 [ 373.686162] ? find_held_lock+0x36/0x1c0 [ 373.690312] ? __run_timers+0x7da/0xc70 [ 373.694367] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.698933] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.703479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.707791] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.712449] ? trace_hardirqs_on+0xbd/0x310 [ 373.716838] ? kasan_check_read+0x11/0x20 [ 373.721049] ? __run_timers+0x7da/0xc70 [ 373.725062] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.730614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.734923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.739257] __run_timers+0x7e5/0xc70 [ 373.743114] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.748528] ? compat_start_thread+0x80/0x80 [ 373.753033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.758680] ? _raw_spin_unlock_irq+0x60/0x80 [ 373.763257] ? finish_task_switch+0x1f5/0x900 [ 373.767805] ? finish_task_switch+0x1b5/0x900 [ 373.772397] ? __switch_to_asm+0x34/0x70 [ 373.776515] ? preempt_notifier_register+0x200/0x200 [ 373.781703] ? __switch_to_asm+0x34/0x70 [ 373.785834] ? __switch_to_asm+0x40/0x70 [ 373.789933] ? __switch_to_asm+0x34/0x70 [ 373.794043] ? __switch_to_asm+0x40/0x70 [ 373.798203] ? __switch_to_asm+0x34/0x70 [ 373.802316] ? __switch_to_asm+0x40/0x70 [ 373.806463] ? __switch_to_asm+0x40/0x70 [ 373.810597] ? pvclock_read_flags+0x160/0x160 [ 373.815137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.820759] ? check_preemption_disabled+0x48/0x200 [ 373.825897] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.831249] ? rcu_pm_notify+0xc0/0xc0 [ 373.835215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.840896] ? check_preemption_disabled+0x48/0x200 [ 373.846057] run_timer_softirq+0x52/0xb0 [ 373.850162] ? rcu_read_lock_sched_held+0x108/0x120 [ 373.855269] __do_softirq+0x30b/0xad8 [ 373.859140] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 373.864330] ? trace_hardirqs_off_caller+0x300/0x300 [ 373.869504] ? retint_kernel+0x1b/0x2d [ 373.873464] ? schedule+0x108/0x460 [ 373.877136] ? __schedule+0x1ed0/0x1ed0 [ 373.881192] ? trace_hardirqs_off+0xb8/0x300 [ 373.885674] ? ___might_sleep+0x1ed/0x300 [ 373.889866] ? smpboot_thread_fn+0x68b/0xa00 [ 373.894331] ? trace_hardirqs_on+0x310/0x310 [ 373.898811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.904463] ? check_preemption_disabled+0x48/0x200 [ 373.909565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.915210] ? takeover_tasklets+0xa90/0xa90 [ 373.919680] run_ksoftirqd+0x94/0x100 [ 373.923521] smpboot_thread_fn+0x68b/0xa00 [ 373.927850] ? sort_range+0x30/0x30 [ 373.931518] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.936723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.942368] ? __kthread_parkme+0xfb/0x1a0 [ 373.946662] kthread+0x35a/0x420 [ 373.950057] ? sort_range+0x30/0x30 [ 373.953722] ? kthread_bind+0x40/0x40 [ 373.957580] ret_from_fork+0x3a/0x50 [ 373.961371] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 373.961376] warn_alloc_show_mem: 1 callbacks suppressed [ 373.961390] Mem-Info: [ 373.968739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.968770] Call Trace: [ 373.974217] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 373.974217] active_file:18 inactive_file:31 isolated_file:0 [ 373.974217] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.974217] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 373.974217] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 373.974217] free:13670 free_pcp:352 free_cma:0 [ 373.976621] [ 373.986093] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.988704] dump_stack+0x1c4/0x2b4 [ 374.022307] Node 0 [ 374.024522] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.052525] 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 [ 374.052555] lowmem_reserve[]: [ 374.056268] warn_alloc.cold.118+0xb7/0x1bd [ 374.058436] 0 2815 [ 374.063755] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.089570] 6318 6318 [ 374.092810] ? lock_downgrade+0x900/0x900 [ 374.097061] Node 0 [ 374.099403] ? trace_hardirqs_off+0xb8/0x300 [ 374.104245] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 374.106781] ? trace_hardirqs_off+0xb8/0x300 [ 374.110869] lowmem_reserve[]: 0 [ 374.113224] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.117553] 0 3503 [ 374.144927] ? warn_alloc+0x120/0x120 [ 374.149313] 3503 [ 374.152654] ? trace_hardirqs_on+0x310/0x310 [ 374.157477] Node 0 [ 374.159772] ? warn_alloc+0x120/0x120 [ 374.163604] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 374.165677] ? print_usage_bug+0xc0/0xc0 [ 374.170051] lowmem_reserve[]: 0 [ 374.172368] ? warn_alloc+0x120/0x120 [ 374.176097] 0 0 [ 374.204956] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 374.205004] ? print_usage_bug+0xc0/0xc0 [ 374.209062] 0 [ 374.212407] ? __lock_acquire+0x7ec/0x4ec0 [ 374.218194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.223236] Node 0 [ 374.227367] ? should_fail+0x22d/0xd01 [ 374.229125] DMA: [ 374.233424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.238989] 1*4kB [ 374.241278] ? __lock_acquire+0x7ec/0x4ec0 [ 374.245144] (U) [ 374.247265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.252335] 0*8kB 0*16kB [ 374.254540] ? __lock_acquire+0x7ec/0x4ec0 [ 374.258748] 1*32kB (U) [ 374.260792] ? should_fail+0x22d/0xd01 [ 374.265862] 2*64kB (U) [ 374.268676] ? print_usage_bug+0xc0/0xc0 [ 374.272888] 1*128kB (U) [ 374.275543] ? mark_held_locks+0x130/0x130 [ 374.279441] 1*256kB [ 374.282052] ? mark_held_locks+0x130/0x130 [ 374.286077] (U) 0*512kB [ 374.288840] ? graph_lock+0x170/0x170 [ 374.293042] 1*1024kB [ 374.295370] ? print_usage_bug+0xc0/0xc0 [ 374.299583] (U) [ 374.302274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.306059] 1*2048kB (M) [ 374.308531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.312579] 3*4096kB (M) [ 374.314590] ? check_preemption_disabled+0x48/0x200 [ 374.319309] = 15908kB [ 374.319318] Node 0 [ 374.322075] ? check_preemption_disabled+0x48/0x200 [ 374.327587] DMA32: 4*4kB [ 374.330422] ? __lock_is_held+0xb5/0x140 [ 374.335409] (UM) 1*8kB [ 374.337864] __alloc_pages_nodemask+0xa80/0xde0 [ 374.340066] (M) [ 374.345102] ? graph_lock+0x170/0x170 [ 374.347828] 3*16kB (M) [ 374.351924] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.354480] 3*32kB [ 374.359179] ? graph_lock+0x170/0x170 [ 374.361128] (M) [ 374.364957] ? find_held_lock+0x36/0x1c0 [ 374.367506] 1*64kB [ 374.372555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.374754] (M) [ 374.378572] ? lock_downgrade+0x900/0x900 [ 374.380523] 3*128kB [ 374.384610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.386817] (UM) [ 374.391554] cache_grow_begin+0x91/0x8c0 [ 374.393473] 3*256kB [ 374.397652] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.399938] (UM) [ 374.405513] fallback_alloc+0x203/0x2e0 [ 374.407544] 4*512kB [ 374.411630] ____cache_alloc_node+0x1c7/0x1e0 [ 374.413924] (UM) [ 374.418364] kmem_cache_alloc_node+0xe3/0x730 [ 374.420391] 3*1024kB [ 374.424391] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.426679] (M) [ 374.431200] __alloc_skb+0x119/0x770 [ 374.433229] 3*2048kB (M) [ 374.437776] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.440159] 3*4096kB [ 374.444428] ? skb_scrub_packet+0x490/0x490 [ 374.446374] (M) [ 374.450108] ? lock_downgrade+0x900/0x900 [ 374.452854] = 24936kB [ 374.458162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.460549] Node 0 [ 374.464898] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.466842] Normal: [ 374.471016] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.473396] 1267*4kB [ 374.478999] ? addrconf_rs_timer+0x6f0/0x6f0 [ 374.481207] (UMEH) [ 374.486699] ndisc_alloc_skb+0x144/0x340 [ 374.488994] 430*8kB [ 374.494473] ndisc_send_rs+0x331/0x6e0 [ 374.496856] (UMEH) [ 374.501300] addrconf_rs_timer+0x3c0/0x6f0 [ 374.503504] 212*16kB [ 374.507585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.509876] (UMEH) [ 374.513789] call_timer_fn+0x272/0x920 [ 374.515999] 35*32kB [ 374.520270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.522648] (MH) [ 374.526906] ? process_timeout+0x40/0x40 [ 374.529119] 9*64kB [ 374.533022] ? find_held_lock+0x36/0x1c0 [ 374.533052] ? __run_timers+0x7da/0xc70 [ 374.535360] (MH) [ 374.539650] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.541685] 1*128kB [ 374.545786] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.547983] (H) [ 374.552082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.556048] 1*256kB (H) [ 374.558145] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 374.562623] 0*512kB [ 374.564967] ? trace_hardirqs_on+0xbd/0x310 [ 374.569460] 0*1024kB [ 374.571458] ? kasan_check_read+0x11/0x20 [ 374.575666] 0*2048kB 0*4096kB [ 374.578385] ? __run_timers+0x7da/0xc70 [ 374.582939] = 13980kB [ 374.582958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.585312] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.589647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.589667] 4516 total pagecache pages [ 374.592097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.596227] 0 pages in swap cache [ 374.599448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.603402] Swap cache stats: add 0, delete 0, find 0/0 [ 374.603415] Free swap = 0kB [ 374.605842] __run_timers+0x7e5/0xc70 [ 374.614676] Total swap = 0kB [ 374.620174] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.628748] 1965979 pages RAM [ 374.632665] ? check_preemption_disabled+0x48/0x200 [ 374.636895] 0 pages HighMem/MovableOnly [ 374.636912] 343324 pages reserved [ 374.640414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.644618] 0 pages cma reserved [ 374.644751] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.650041] ? rcu_irq_exit+0xce/0x100 [ 374.650058] ? irq_exit+0xbd/0x1c0 [ 374.650077] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 374.650101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.653217] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.656947] ? retint_kernel+0x2d/0x2d [ 374.659946] ksoftirqd/0 cpuset= [ 374.665365] ? trace_hardirqs_on_caller+0xc0/0x300 [ 374.668451] / [ 374.673512] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.677476] mems_allowed=0 [ 374.680964] ? trace_hardirqs_off_caller+0x300/0x300 [ 374.750553] ? graph_lock+0x170/0x170 [ 374.754396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.759988] ? check_preemption_disabled+0x48/0x200 [ 374.765061] ? __lock_is_held+0xb5/0x140 [ 374.769162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.774745] ? check_preemption_disabled+0x48/0x200 [ 374.779819] run_timer_softirq+0x52/0xb0 [ 374.783919] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.789004] __do_softirq+0x30b/0xad8 [ 374.792884] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.798056] ? pvclock_read_flags+0x160/0x160 [ 374.802600] ? lapic_next_event+0x5a/0x90 [ 374.806798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.812391] ? check_preemption_disabled+0x48/0x200 [ 374.817476] ? check_preemption_disabled+0x48/0x200 [ 374.822583] ? kvm_clock_read+0x18/0x30 [ 374.826614] ? kvm_sched_clock_read+0x9/0x20 [ 374.831072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.836661] ? check_preemption_disabled+0x48/0x200 [ 374.841760] irq_exit+0x17f/0x1c0 [ 374.845299] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.850189] ? smp_reschedule_interrupt+0x109/0x650 [ 374.855250] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.861209] ? interrupt_entry+0xb5/0xf0 [ 374.865330] ? trace_hardirqs_off_caller+0xbb/0x300 [ 374.870394] ? trace_hardirqs_off_caller+0xbb/0x300 [ 374.875453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.880347] ? trace_hardirqs_off+0x300/0x300 [ 374.884872] ? trace_hardirqs_off+0x300/0x300 [ 374.889416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.895028] ? check_preemption_disabled+0x48/0x200 [ 374.900121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.905738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.910655] apic_timer_interrupt+0xf/0x20 [ 374.914918] [ 374.917186] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.922151] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 374.941084] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 374.948839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.956154] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 374.963472] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 374.970801] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 374.978119] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 374.985515] skb_clone+0x1bb/0x500 [ 374.989107] ? skb_split+0x11e0/0x11e0 [ 374.993023] ? preempt_notifier_register+0x200/0x200 [ 374.998187] ? __switch_to_asm+0x34/0x70 [ 375.002303] ? __switch_to_asm+0x34/0x70 [ 375.006395] ? __switch_to_asm+0x40/0x70 [ 375.010499] ? __switch_to_asm+0x34/0x70 [ 375.014628] ? __switch_to_asm+0x40/0x70 [ 375.019128] ? __switch_to_asm+0x40/0x70 [ 375.023224] ? __switch_to_asm+0x34/0x70 [ 375.027351] ? __switch_to_asm+0x34/0x70 [ 375.031458] ? __switch_to_asm+0x40/0x70 [ 375.035572] ? __switch_to_asm+0x34/0x70 [ 375.039717] bpf_clone_redirect+0xb9/0x490 [ 375.044031] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 375.049099] ? __sched_text_start+0x8/0x8 [ 375.053306] ? retint_kernel+0x2d/0x2d [ 375.057250] ? find_held_lock+0x36/0x1c0 [ 375.061366] ? lock_acquire+0x1ed/0x520 [ 375.065386] ? bpf_test_run+0x32e/0x5a0 [ 375.069411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.074992] ? check_preemption_disabled+0x48/0x200 [ 375.080057] ? kasan_check_read+0x11/0x20 [ 375.084275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.089619] ? rcu_bh_qs+0xc0/0xc0 [ 375.093198] ? preempt_schedule+0x4d/0x60 [ 375.097383] ? ___preempt_schedule+0x16/0x18 [ 375.101847] ? bpf_test_run+0x1c0/0x5a0 [ 375.105870] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.110329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.115916] ? bpf_test_init.isra.9+0x70/0x100 [ 375.120556] ? bpf_prog_test_run_skb+0x634/0xb40 [ 375.125400] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.130316] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.135906] ? fput+0x130/0x1a0 [ 375.139221] ? __bpf_prog_get+0x9b/0x290 [ 375.143328] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.148222] ? bpf_prog_test_run+0x130/0x1a0 [ 375.152704] ? __x64_sys_bpf+0x3d8/0x510 [ 375.156827] ? bpf_prog_get+0x20/0x20 [ 375.160695] ? do_syscall_64+0x1b9/0x820 [ 375.164805] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.170250] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.175268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.180244] ? trace_hardirqs_off+0x300/0x300 [ 375.184846] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.189949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.195627] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.200742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.205691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.211136] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 375.211366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.217969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.217995] Call Trace: [ 375.224795] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.233962] dump_stack+0x1c4/0x2b4 [ 375.236517] syz-executor1 cpuset= [ 375.247058] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.250704] syz1 [ 375.254196] warn_alloc.cold.118+0xb7/0x1bd [ 375.259381] mems_allowed=0 [ 375.268726] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.273648] ? lock_downgrade+0x900/0x900 [ 375.277872] ? trace_hardirqs_off+0xb8/0x300 [ 375.282346] ? trace_hardirqs_off+0xb8/0x300 [ 375.286856] __alloc_pages_slowpath+0x2667/0x2d80 [ 375.291821] ? warn_alloc+0x120/0x120 [ 375.295670] ? warn_alloc+0x120/0x120 [ 375.299519] ? print_usage_bug+0xc0/0xc0 [ 375.303626] ? warn_alloc+0x120/0x120 [ 375.307463] ? print_usage_bug+0xc0/0xc0 [ 375.311580] ? __lock_acquire+0x7ec/0x4ec0 [ 375.315895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.321512] ? should_fail+0x22d/0xd01 [ 375.325473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.330639] ? __lock_acquire+0x7ec/0x4ec0 [ 375.334962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.340105] ? __lock_acquire+0x7ec/0x4ec0 [ 375.344397] ? should_fail+0x22d/0xd01 [ 375.348347] ? mark_held_locks+0x130/0x130 [ 375.352662] ? mark_held_locks+0x130/0x130 [ 375.356960] ? graph_lock+0x170/0x170 [ 375.360808] ? graph_lock+0x170/0x170 [ 375.364675] ? graph_lock+0x170/0x170 [ 375.368544] ? print_usage_bug+0xc0/0xc0 [ 375.372656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.378245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.383923] ? check_preemption_disabled+0x48/0x200 [ 375.388977] ? check_preemption_disabled+0x48/0x200 [ 375.394088] ? __lock_is_held+0xb5/0x140 [ 375.398203] __alloc_pages_nodemask+0xa80/0xde0 [ 375.402912] ? graph_lock+0x170/0x170 [ 375.406750] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.411801] ? graph_lock+0x170/0x170 [ 375.415662] ? find_held_lock+0x36/0x1c0 [ 375.419774] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.424491] ? lock_downgrade+0x900/0x900 [ 375.428692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.434289] cache_grow_begin+0x91/0x8c0 [ 375.438399] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.442890] fallback_alloc+0x203/0x2e0 [ 375.446917] ____cache_alloc_node+0x1c7/0x1e0 [ 375.451493] kmem_cache_alloc_node+0xe3/0x730 [ 375.456044] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.460329] __alloc_skb+0x119/0x770 [ 375.464081] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.469409] ? skb_scrub_packet+0x490/0x490 [ 375.473807] ? lock_downgrade+0x900/0x900 [ 375.478017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.483615] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.489129] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.494658] ? addrconf_rs_timer+0x6f0/0x6f0 [ 375.499125] ndisc_alloc_skb+0x144/0x340 [ 375.503237] ndisc_send_rs+0x331/0x6e0 [ 375.507167] addrconf_rs_timer+0x3c0/0x6f0 [ 375.511446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.515757] call_timer_fn+0x272/0x920 [ 375.519689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.523986] ? process_timeout+0x40/0x40 [ 375.528087] ? find_held_lock+0x36/0x1c0 [ 375.532198] ? __run_timers+0x7da/0xc70 [ 375.536257] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.540834] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.545399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.549684] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.554322] ? trace_hardirqs_on+0xbd/0x310 [ 375.558691] ? kasan_check_read+0x11/0x20 [ 375.562889] ? __run_timers+0x7da/0xc70 [ 375.566944] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.572504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.576819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.581094] __run_timers+0x7e5/0xc70 [ 375.584957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.590412] ? compat_start_thread+0x80/0x80 [ 375.594879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.600483] ? _raw_spin_unlock_irq+0x60/0x80 [ 375.605043] ? finish_task_switch+0x1f5/0x900 [ 375.609611] ? finish_task_switch+0x1b5/0x900 [ 375.614159] ? __switch_to_asm+0x34/0x70 [ 375.618276] ? preempt_notifier_register+0x200/0x200 [ 375.623431] ? __switch_to_asm+0x34/0x70 [ 375.628430] ? __switch_to_asm+0x40/0x70 [ 375.632539] ? __switch_to_asm+0x34/0x70 [ 375.636648] ? __switch_to_asm+0x40/0x70 [ 375.640754] ? __switch_to_asm+0x34/0x70 [ 375.644856] ? __switch_to_asm+0x40/0x70 [ 375.648958] ? __switch_to_asm+0x40/0x70 [ 375.653065] ? pvclock_read_flags+0x160/0x160 [ 375.657616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.663205] ? check_preemption_disabled+0x48/0x200 [ 375.668297] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.673641] ? rcu_pm_notify+0xc0/0xc0 [ 375.677574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.683171] ? check_preemption_disabled+0x48/0x200 [ 375.688310] run_timer_softirq+0x52/0xb0 [ 375.692432] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.697535] __do_softirq+0x30b/0xad8 [ 375.701405] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.706607] ? trace_hardirqs_off_caller+0x300/0x300 [ 375.711781] ? retint_kernel+0x1b/0x2d [ 375.715755] ? schedule+0x108/0x460 [ 375.719416] ? __schedule+0x1ed0/0x1ed0 [ 375.723467] ? trace_hardirqs_off+0xb8/0x300 [ 375.727987] ? ___might_sleep+0x1ed/0x300 [ 375.732173] ? smpboot_thread_fn+0x68b/0xa00 [ 375.736669] ? trace_hardirqs_on+0x310/0x310 [ 375.741129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.746788] ? check_preemption_disabled+0x48/0x200 [ 375.751897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.757541] ? takeover_tasklets+0xa90/0xa90 [ 375.762047] run_ksoftirqd+0x94/0x100 [ 375.765917] smpboot_thread_fn+0x68b/0xa00 [ 375.770250] ? sort_range+0x30/0x30 [ 375.773918] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.779071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.784695] ? __kthread_parkme+0xfb/0x1a0 [ 375.789011] kthread+0x35a/0x420 [ 375.792416] ? sort_range+0x30/0x30 [ 375.796170] ? kthread_bind+0x40/0x40 [ 375.800057] ret_from_fork+0x3a/0x50 [ 375.803840] warn_alloc_show_mem: 1 callbacks suppressed [ 375.803856] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 375.803859] Mem-Info: [ 375.803922] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 375.803922] active_file:18 inactive_file:31 isolated_file:0 [ 375.803922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.803922] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 375.803922] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 375.803922] free:13670 free_pcp:352 free_cma:0 [ 375.809309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.816674] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.819089] Call Trace: [ 375.852210] Node 0 [ 375.861663] [ 375.889717] 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 [ 375.892354] dump_stack+0x1c4/0x2b4 [ 375.894520] lowmem_reserve[]: 0 [ 375.896712] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.922278] 2815 6318 [ 375.926038] warn_alloc.cold.118+0xb7/0x1bd [ 375.929227] 6318 [ 375.934521] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.941356] ? lock_downgrade+0x900/0x900 [ 375.943374] Node 0 [ 375.948274] ? trace_hardirqs_off+0xb8/0x300 [ 375.952466] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 375.954721] ? trace_hardirqs_off+0xb8/0x300 [ 375.959072] lowmem_reserve[]: 0 [ 375.985979] __alloc_pages_slowpath+0x2667/0x2d80 [ 375.990381] 0 [ 375.993773] ? warn_alloc+0x120/0x120 [ 375.998541] 3503 3503 [ 376.000416] ? trace_hardirqs_on+0x310/0x310 [ 376.004174] Node 0 [ 376.006714] ? warn_alloc+0x120/0x120 [ 376.011114] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 376.013351] ? print_usage_bug+0xc0/0xc0 [ 376.017118] lowmem_reserve[]: 0 [ 376.045946] ? warn_alloc+0x120/0x120 [ 376.049967] 0 0 [ 376.053321] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.057064] 0 [ 376.059066] ? print_usage_bug+0xc0/0xc0 [ 376.065915] ? __lock_acquire+0x7ec/0x4ec0 [ 376.069944] Node 0 DMA: [ 376.074247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.074287] ? should_fail+0x22d/0xd01 [ 376.076942] 1*4kB [ 376.082558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.086390] (U) [ 376.088579] ? __lock_acquire+0x7ec/0x4ec0 [ 376.093678] 0*8kB [ 376.095700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.099890] 0*16kB 1*32kB [ 376.102078] ? __lock_acquire+0x7ec/0x4ec0 [ 376.107165] (U) 2*64kB [ 376.110056] ? should_fail+0x22d/0xd01 [ 376.114283] (U) [ 376.116908] ? print_usage_bug+0xc0/0xc0 [ 376.120776] 1*128kB (U) [ 376.122842] ? mark_held_locks+0x130/0x130 [ 376.126848] 1*256kB [ 376.129554] ? mark_held_locks+0x130/0x130 [ 376.133772] (U) [ 376.136133] ? graph_lock+0x170/0x170 [ 376.140319] 0*512kB 1*1024kB [ 376.142352] ? print_usage_bug+0xc0/0xc0 [ 376.146094] (U) 1*2048kB [ 376.149260] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.153292] (M) [ 376.156086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.160828] 3*4096kB [ 376.162836] ? check_preemption_disabled+0x48/0x200 [ 376.168389] (M) [ 376.170856] ? check_preemption_disabled+0x48/0x200 [ 376.175861] = 15908kB [ 376.177895] ? __lock_is_held+0xb5/0x140 [ 376.182876] Node 0 DMA32: [ 376.185375] __alloc_pages_nodemask+0xa80/0xde0 [ 376.189384] 4*4kB [ 376.192272] ? graph_lock+0x170/0x170 [ 376.197005] (UM) [ 376.199196] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.202942] 1*8kB (M) [ 376.205048] ? graph_lock+0x170/0x170 [ 376.210048] 3*16kB [ 376.212591] ? find_held_lock+0x36/0x1c0 [ 376.216335] (M) 3*32kB [ 376.218639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.222662] (M) [ 376.225295] ? lock_downgrade+0x900/0x900 [ 376.229911] 1*64kB (M) [ 376.231945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.236046] 3*128kB (UM) [ 376.238694] cache_grow_begin+0x91/0x8c0 [ 376.244210] 3*256kB (UM) [ 376.247042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.251056] 4*512kB [ 376.253852] fallback_alloc+0x203/0x2e0 [ 376.258229] (UM) [ 376.260605] ____cache_alloc_node+0x1c7/0x1e0 [ 376.264540] 3*1024kB (M) [ 376.266658] kmem_cache_alloc_node+0xe3/0x730 [ 376.271114] 3*2048kB [ 376.273926] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.278381] (M) 3*4096kB [ 376.280869] __alloc_skb+0x119/0x770 [ 376.285061] (M) [ 376.287870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.291549] = 24936kB [ 376.291560] Node 0 [ 376.293574] ? skb_scrub_packet+0x490/0x490 [ 376.298858] Normal: [ 376.301341] ? lock_downgrade+0x900/0x900 [ 376.303523] 1267*4kB [ 376.307926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.310213] (UMEH) [ 376.314412] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.316774] 430*8kB (UMEH) [ 376.322397] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.324574] 212*16kB [ 376.330074] ? addrconf_rs_timer+0x6f0/0x6f0 [ 376.332992] (UMEH) [ 376.338508] ndisc_alloc_skb+0x144/0x340 [ 376.340880] 35*32kB [ 376.345359] ndisc_send_rs+0x331/0x6e0 [ 376.347547] (MH) [ 376.351674] addrconf_rs_timer+0x3c0/0x6f0 [ 376.353947] 9*64kB (MH) [ 376.357919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.359943] 1*128kB [ 376.385692] call_timer_fn+0x272/0x920 [ 376.388307] (H) [ 376.392605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.394899] 1*256kB [ 376.398858] ? process_timeout+0x40/0x40 [ 376.400786] (H) [ 376.405068] ? find_held_lock+0x36/0x1c0 [ 376.407380] 0*512kB [ 376.411525] ? __run_timers+0x7da/0xc70 [ 376.413454] 0*1024kB [ 376.417604] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.419889] 0*2048kB [ 376.423909] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.426287] 0*4096kB [ 376.430831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.430874] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 376.433257] = 13980kB [ 376.437859] ? trace_hardirqs_on+0xbd/0x310 [ 376.440242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.444528] ? kasan_check_read+0x11/0x20 [ 376.444568] ? __run_timers+0x7da/0xc70 [ 376.449142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.449153] 4516 total pagecache pages [ 376.451605] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.455905] 0 pages in swap cache [ 376.464848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.468966] Swap cache stats: add 0, delete 0, find 0/0 [ 376.468978] Free swap = 0kB [ 376.473027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.481645] Total swap = 0kB [ 376.485615] __run_timers+0x7e5/0xc70 [ 376.491016] 1965979 pages RAM [ 376.494531] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 376.498723] 0 pages HighMem/MovableOnly [ 376.504122] ? check_preemption_disabled+0x48/0x200 [ 376.507109] 343324 pages reserved [ 376.511407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.514374] 0 pages cma reserved [ 376.514609] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.518236] ? rcu_irq_exit+0xce/0x100 [ 376.521612] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.526741] ? irq_exit+0xbd/0x1c0 [ 376.530726] ksoftirqd/0 cpuset= [ 376.535829] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.539262] / [ 376.544909] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.548251] mems_allowed=0 [ 376.554834] ? retint_kernel+0x2d/0x2d [ 376.594299] ? trace_hardirqs_on_caller+0xc0/0x300 [ 376.599378] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.604219] ? trace_hardirqs_off_caller+0x300/0x300 [ 376.609414] ? graph_lock+0x170/0x170 [ 376.613273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.618888] ? check_preemption_disabled+0x48/0x200 [ 376.624031] ? __lock_is_held+0xb5/0x140 [ 376.628176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.633798] ? check_preemption_disabled+0x48/0x200 [ 376.638917] run_timer_softirq+0x52/0xb0 [ 376.643047] ? rcu_read_lock_sched_held+0x108/0x120 [ 376.648100] __do_softirq+0x30b/0xad8 [ 376.651964] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 376.657125] ? pvclock_read_flags+0x160/0x160 [ 376.661677] ? lapic_next_event+0x5a/0x90 [ 376.665882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.671494] ? check_preemption_disabled+0x48/0x200 [ 376.676610] ? check_preemption_disabled+0x48/0x200 [ 376.681770] ? kvm_clock_read+0x18/0x30 [ 376.685810] ? kvm_sched_clock_read+0x9/0x20 [ 376.690270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.695893] ? check_preemption_disabled+0x48/0x200 [ 376.701020] irq_exit+0x17f/0x1c0 [ 376.704512] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.709412] ? smp_reschedule_interrupt+0x109/0x650 [ 376.714498] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.720467] ? interrupt_entry+0xb5/0xf0 [ 376.724597] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.729665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.734770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.739679] ? trace_hardirqs_off+0x300/0x300 [ 376.744223] ? trace_hardirqs_off+0x300/0x300 [ 376.748796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.754405] ? check_preemption_disabled+0x48/0x200 [ 376.759516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.765275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.770239] apic_timer_interrupt+0xf/0x20 [ 376.774510] [ 376.776809] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.781783] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 376.800892] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 376.808699] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.816032] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 376.823408] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 376.830763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.838089] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 376.845595] skb_clone+0x1bb/0x500 [ 376.849194] ? skb_split+0x11e0/0x11e0 [ 376.853113] ? preempt_notifier_register+0x200/0x200 [ 376.858332] ? __switch_to_asm+0x34/0x70 [ 376.862467] ? __switch_to_asm+0x34/0x70 [ 376.866588] ? __switch_to_asm+0x40/0x70 [ 376.870690] ? __switch_to_asm+0x34/0x70 [ 376.874792] ? __switch_to_asm+0x40/0x70 [ 376.878869] ? __switch_to_asm+0x40/0x70 [ 376.882938] ? __switch_to_asm+0x34/0x70 [ 376.887047] ? __switch_to_asm+0x34/0x70 [ 376.891185] ? __switch_to_asm+0x40/0x70 [ 376.895250] ? __switch_to_asm+0x34/0x70 [ 376.899338] bpf_clone_redirect+0xb9/0x490 [ 376.903616] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 376.908672] ? __sched_text_start+0x8/0x8 [ 376.912833] ? retint_kernel+0x2d/0x2d [ 376.916741] ? find_held_lock+0x36/0x1c0 [ 376.920816] ? lock_acquire+0x1ed/0x520 [ 376.924797] ? bpf_test_run+0x32e/0x5a0 [ 376.928789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.934353] ? check_preemption_disabled+0x48/0x200 [ 376.939396] ? kasan_check_read+0x11/0x20 [ 376.943556] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.953090] ? rcu_bh_qs+0xc0/0xc0 [ 376.956644] ? preempt_schedule+0x4d/0x60 [ 376.960794] ? ___preempt_schedule+0x16/0x18 [ 376.965255] ? bpf_test_run+0x1c0/0x5a0 [ 376.969282] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.973761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.979343] ? bpf_test_init.isra.9+0x70/0x100 [ 376.983973] ? bpf_prog_test_run_skb+0x634/0xb40 [ 376.988798] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 376.993689] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.999280] ? fput+0x130/0x1a0 [ 377.002624] ? __bpf_prog_get+0x9b/0x290 [ 377.006766] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.011679] ? bpf_prog_test_run+0x130/0x1a0 [ 377.016641] ? __x64_sys_bpf+0x3d8/0x510 [ 377.020772] ? bpf_prog_get+0x20/0x20 [ 377.024642] ? do_syscall_64+0x1b9/0x820 [ 377.028938] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.034404] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.039402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.044411] ? trace_hardirqs_off+0x300/0x300 [ 377.049060] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.054142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.059785] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.064888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.069843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.075301] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 377.075432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.082102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.082110] Call Trace: [ 377.082147] dump_stack+0x1c4/0x2b4 [ 377.082163] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.082189] warn_alloc.cold.118+0xb7/0x1bd [ 377.082204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.082223] ? lock_downgrade+0x900/0x900 [ 377.082251] ? trace_hardirqs_off+0xb8/0x300 [ 377.088939] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.098262] ? trace_hardirqs_off+0xb8/0x300 [ 377.100826] syz-executor1 cpuset=syz1 [ 377.104516] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.109730] mems_allowed=0 [ 377.114113] ? warn_alloc+0x120/0x120 [ 377.159116] ? warn_alloc+0x120/0x120 [ 377.163000] ? print_usage_bug+0xc0/0xc0 [ 377.167311] ? warn_alloc+0x120/0x120 [ 377.171175] ? print_usage_bug+0xc0/0xc0 [ 377.175328] ? __lock_acquire+0x7ec/0x4ec0 [ 377.179663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.185996] ? should_fail+0x22d/0xd01 [ 377.189963] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.195126] ? __lock_acquire+0x7ec/0x4ec0 [ 377.199551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.204724] ? __lock_acquire+0x7ec/0x4ec0 [ 377.209050] ? should_fail+0x22d/0xd01 [ 377.213045] ? print_usage_bug+0xc0/0xc0 [ 377.217199] ? mark_held_locks+0x130/0x130 [ 377.221521] ? mark_held_locks+0x130/0x130 [ 377.225841] ? graph_lock+0x170/0x170 [ 377.229764] ? print_usage_bug+0xc0/0xc0 [ 377.233916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.238770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.246618] ? check_preemption_disabled+0x48/0x200 [ 377.253840] ? check_preemption_disabled+0x48/0x200 [ 377.259146] ? __lock_is_held+0xb5/0x140 [ 377.265846] __alloc_pages_nodemask+0xa80/0xde0 [ 377.270634] ? graph_lock+0x170/0x170 [ 377.274849] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.280017] ? graph_lock+0x170/0x170 [ 377.283927] ? find_held_lock+0x36/0x1c0 [ 377.288069] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.292852] ? lock_downgrade+0x900/0x900 [ 377.297086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.304000] cache_grow_begin+0x91/0x8c0 [ 377.308140] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.312657] fallback_alloc+0x203/0x2e0 [ 377.318729] ____cache_alloc_node+0x1c7/0x1e0 [ 377.323504] kmem_cache_alloc_node+0xe3/0x730 [ 377.331044] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.346753] __alloc_skb+0x119/0x770 [ 377.350565] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.355931] ? skb_scrub_packet+0x490/0x490 [ 377.360408] ? lock_downgrade+0x900/0x900 [ 377.364664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.370331] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.375914] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.381548] ? addrconf_rs_timer+0x6f0/0x6f0 [ 377.386067] ndisc_alloc_skb+0x144/0x340 [ 377.390217] ndisc_send_rs+0x331/0x6e0 [ 377.395143] addrconf_rs_timer+0x3c0/0x6f0 [ 377.407747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.412222] call_timer_fn+0x272/0x920 [ 377.416326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.420792] ? process_timeout+0x40/0x40 [ 377.425107] ? find_held_lock+0x36/0x1c0 [ 377.429330] ? __run_timers+0x7da/0xc70 [ 377.433620] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.438223] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.443093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.448941] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 377.453737] ? trace_hardirqs_on+0xbd/0x310 [ 377.458120] ? kasan_check_read+0x11/0x20 [ 377.462356] ? __run_timers+0x7da/0xc70 [ 377.466427] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.472027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.476384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.480794] __run_timers+0x7e5/0xc70 [ 377.484702] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.490133] ? compat_start_thread+0x80/0x80 [ 377.494626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.500251] ? _raw_spin_unlock_irq+0x60/0x80 [ 377.504887] ? finish_task_switch+0x1f5/0x900 [ 377.509538] ? finish_task_switch+0x1b5/0x900 [ 377.514121] ? __switch_to_asm+0x34/0x70 [ 377.518254] ? preempt_notifier_register+0x200/0x200 [ 377.523452] ? __switch_to_asm+0x34/0x70 [ 377.527593] ? __switch_to_asm+0x40/0x70 [ 377.531731] ? __switch_to_asm+0x34/0x70 [ 377.535851] ? __switch_to_asm+0x40/0x70 [ 377.540057] ? __switch_to_asm+0x34/0x70 [ 377.544172] ? __switch_to_asm+0x40/0x70 [ 377.548323] ? __switch_to_asm+0x40/0x70 [ 377.552792] ? pvclock_read_flags+0x160/0x160 [ 377.557478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.563204] ? check_preemption_disabled+0x48/0x200 [ 377.568351] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.573955] ? rcu_pm_notify+0xc0/0xc0 [ 377.578029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.583741] ? check_preemption_disabled+0x48/0x200 [ 377.588860] run_timer_softirq+0x52/0xb0 [ 377.592991] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.598091] __do_softirq+0x30b/0xad8 [ 377.602037] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.607201] ? trace_hardirqs_off_caller+0x300/0x300 [ 377.612478] ? retint_kernel+0x1b/0x2d [ 377.616691] ? schedule+0x108/0x460 [ 377.620453] ? __schedule+0x1ed0/0x1ed0 [ 377.624527] ? trace_hardirqs_off+0xb8/0x300 [ 377.629643] ? ___might_sleep+0x1ed/0x300 [ 377.633864] ? smpboot_thread_fn+0x68b/0xa00 [ 377.638345] ? trace_hardirqs_on+0x310/0x310 [ 377.642852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.648469] ? check_preemption_disabled+0x48/0x200 [ 377.653554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.659184] ? takeover_tasklets+0xa90/0xa90 [ 377.663856] run_ksoftirqd+0x94/0x100 [ 377.667739] smpboot_thread_fn+0x68b/0xa00 [ 377.672055] ? sort_range+0x30/0x30 [ 377.675840] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.681013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.686654] ? __kthread_parkme+0xfb/0x1a0 [ 377.690978] kthread+0x35a/0x420 [ 377.694409] ? sort_range+0x30/0x30 [ 377.698078] ? kthread_bind+0x40/0x40 [ 377.701937] ret_from_fork+0x3a/0x50 [ 377.705784] warn_alloc_show_mem: 1 callbacks suppressed [ 377.705799] Mem-Info: [ 377.705817] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 377.705838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.711266] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 377.711266] active_file:18 inactive_file:31 isolated_file:0 [ 377.711266] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.711266] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 377.711266] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 377.711266] free:13670 free_pcp:352 free_cma:0 [ 377.713690] Call Trace: [ 377.721087] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.730473] [ 377.763579] Node 0 [ 377.766250] dump_stack+0x1c4/0x2b4 [ 377.794223] 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 [ 377.796423] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.798593] lowmem_reserve[]: 0 [ 377.802291] warn_alloc.cold.118+0xb7/0x1bd [ 377.827836] 2815 [ 377.833086] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.836385] 6318 6318 [ 377.840845] ? lock_downgrade+0x900/0x900 [ 377.842879] Node 0 [ 377.847804] ? trace_hardirqs_off+0xb8/0x300 [ 377.850323] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 377.854568] ? trace_hardirqs_off+0xb8/0x300 [ 377.856770] lowmem_reserve[]: 0 [ 377.861318] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.888187] 0 3503 [ 377.892702] ? warn_alloc+0x120/0x120 [ 377.895968] 3503 [ 377.900898] ? warn_alloc+0x120/0x120 [ 377.903101] Node 0 [ 377.906948] ? print_usage_bug+0xc0/0xc0 [ 377.909021] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 377.912843] ? warn_alloc+0x120/0x120 [ 377.915060] lowmem_reserve[]: [ 377.919178] ? print_usage_bug+0xc0/0xc0 [ 377.947798] 0 0 [ 377.951716] ? __lock_acquire+0x7ec/0x4ec0 [ 377.954808] 0 0 [ 377.958933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.960894] Node 0 [ 377.965173] ? should_fail+0x22d/0xd01 [ 377.967129] DMA: [ 377.972745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.974972] 1*4kB [ 377.978909] ? __lock_acquire+0x7ec/0x4ec0 [ 377.980960] (U) [ 377.986103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.988228] 0*8kB 0*16kB [ 377.992560] ? __lock_acquire+0x7ec/0x4ec0 [ 377.994606] 1*32kB [ 377.999869] ? should_fail+0x22d/0xd01 [ 378.007613] (U) [ 378.011920] ? mark_held_locks+0x130/0x130 [ 378.014155] 2*64kB [ 378.018075] ? mark_held_locks+0x130/0x130 [ 378.020116] (U) 1*128kB [ 378.024434] ? graph_lock+0x170/0x170 [ 378.026652] (U) [ 378.033802] ? graph_lock+0x170/0x170 [ 378.036447] 1*256kB (U) [ 378.040310] ? graph_lock+0x170/0x170 [ 378.042276] 0*512kB [ 378.046116] ? print_usage_bug+0xc0/0xc0 [ 378.048771] 1*1024kB (U) [ 378.052646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.055032] 1*2048kB (M) [ 378.059171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.061915] 3*4096kB (M) [ 378.067549] ? check_preemption_disabled+0x48/0x200 [ 378.070295] = 15908kB [ 378.075865] ? check_preemption_disabled+0x48/0x200 [ 378.075906] ? __lock_is_held+0xb5/0x140 [ 378.078666] Node 0 [ 378.083746] __alloc_pages_nodemask+0xa80/0xde0 [ 378.086124] DMA32: 4*4kB [ 378.091215] ? graph_lock+0x170/0x170 [ 378.095264] (UM) 1*8kB [ 378.097578] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.102216] (M) 3*16kB [ 378.105044] ? graph_lock+0x170/0x170 [ 378.108877] (M) [ 378.112495] ? find_held_lock+0x36/0x1c0 [ 378.117659] 3*32kB [ 378.120308] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.124066] (M) [ 378.126081] ? lock_downgrade+0x900/0x900 [ 378.130684] 1*64kB (M) [ 378.132996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.137640] 3*128kB (UM) [ 378.139706] cache_grow_begin+0x91/0x8c0 [ 378.143837] 3*256kB (UM) [ 378.146501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.152044] 4*512kB (UM) [ 378.154893] fallback_alloc+0x203/0x2e0 [ 378.159034] 3*1024kB (M) [ 378.161914] ____cache_alloc_node+0x1c7/0x1e0 [ 378.166363] 3*2048kB (M) [ 378.170491] kmem_cache_alloc_node+0xe3/0x730 [ 378.174529] 3*4096kB [ 378.177334] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.181894] (M) = 24936kB [ 378.184747] __alloc_skb+0x119/0x770 [ 378.189248] Node 0 [ 378.191741] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.195922] Normal: 1267*4kB [ 378.198877] ? skb_scrub_packet+0x490/0x490 [ 378.202581] (UMEH) 430*8kB [ 378.208131] ? lock_downgrade+0x900/0x900 [ 378.214007] (UMEH) [ 378.217166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.221490] 212*16kB (UMEH) [ 378.224530] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.228640] 35*32kB (MH) [ 378.230960] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.236489] 9*64kB (MH) [ 378.239642] ? addrconf_rs_timer+0x6f0/0x6f0 [ 378.245070] 1*128kB [ 378.248022] ndisc_alloc_skb+0x144/0x340 [ 378.253447] (H) 1*256kB [ 378.256239] ndisc_send_rs+0x331/0x6e0 [ 378.261403] (H) 0*512kB [ 378.263849] addrconf_rs_timer+0x3c0/0x6f0 [ 378.267893] 0*1024kB 0*2048kB [ 378.270776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.274621] 0*4096kB [ 378.277413] call_timer_fn+0x272/0x920 [ 378.281583] = 13980kB [ 378.284871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.289067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.291551] ? process_timeout+0x40/0x40 [ 378.295468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.295492] 4516 total pagecache pages [ 378.298130] ? find_held_lock+0x36/0x1c0 [ 378.302390] 0 pages in swap cache [ 378.311699] ? __run_timers+0x7da/0xc70 [ 378.315743] Swap cache stats: add 0, delete 0, find 0/0 [ 378.315759] Free swap = 0kB [ 378.324759] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.328619] Total swap = 0kB [ 378.328634] 1965979 pages RAM [ 378.332854] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.336287] 0 pages HighMem/MovableOnly [ 378.336299] 343324 pages reserved [ 378.340347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.345733] 0 pages cma reserved [ 378.346061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.348829] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.353768] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.356394] ? trace_hardirqs_on+0xbd/0x310 [ 378.359492] ksoftirqd/0 cpuset= [ 378.364054] ? kasan_check_read+0x11/0x20 [ 378.368032] / [ 378.371556] ? __run_timers+0x7da/0xc70 [ 378.375790] mems_allowed=0 [ 378.379226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.426758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.431065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.435370] __run_timers+0x7e5/0xc70 [ 378.439271] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.444817] ? check_preemption_disabled+0x48/0x200 [ 378.450195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.455945] ? rcu_irq_exit+0xce/0x100 [ 378.459912] ? irq_exit+0xbd/0x1c0 [ 378.463519] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.468695] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.473568] ? retint_kernel+0x2d/0x2d [ 378.477554] ? trace_hardirqs_on_caller+0xc0/0x300 [ 378.482630] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.487502] ? trace_hardirqs_off_caller+0x300/0x300 [ 378.492714] ? graph_lock+0x170/0x170 [ 378.496613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.502256] ? check_preemption_disabled+0x48/0x200 [ 378.507400] ? __lock_is_held+0xb5/0x140 [ 378.511557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.517203] ? check_preemption_disabled+0x48/0x200 [ 378.522327] run_timer_softirq+0x52/0xb0 [ 378.526570] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.531699] __do_softirq+0x30b/0xad8 [ 378.535592] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.540863] ? pvclock_read_flags+0x160/0x160 [ 378.545544] ? lapic_next_event+0x5a/0x90 [ 378.549772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.555407] ? check_preemption_disabled+0x48/0x200 [ 378.560522] ? check_preemption_disabled+0x48/0x200 [ 378.565817] ? kvm_clock_read+0x18/0x30 [ 378.569979] ? kvm_sched_clock_read+0x9/0x20 [ 378.574540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.580151] ? check_preemption_disabled+0x48/0x200 [ 378.585320] irq_exit+0x17f/0x1c0 [ 378.588883] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.593836] ? smp_reschedule_interrupt+0x109/0x650 [ 378.598999] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.605012] ? interrupt_entry+0xb5/0xf0 [ 378.609168] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.614290] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.619429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.624394] ? trace_hardirqs_off+0x300/0x300 [ 378.628990] ? trace_hardirqs_off+0x300/0x300 [ 378.633590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.639277] ? check_preemption_disabled+0x48/0x200 [ 378.644414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.650062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.655003] apic_timer_interrupt+0xf/0x20 [ 378.659389] [ 378.661691] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.666677] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 378.685700] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 378.693548] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.700938] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 378.708337] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 378.715754] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.723211] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 378.730699] skb_clone+0x1bb/0x500 [ 378.734353] ? skb_split+0x11e0/0x11e0 [ 378.738323] ? preempt_notifier_register+0x200/0x200 [ 378.743511] ? __switch_to_asm+0x34/0x70 [ 378.747664] ? __switch_to_asm+0x34/0x70 [ 378.751795] ? __switch_to_asm+0x40/0x70 [ 378.755925] ? __switch_to_asm+0x34/0x70 [ 378.760055] ? __switch_to_asm+0x40/0x70 [ 378.764176] ? __switch_to_asm+0x40/0x70 [ 378.768300] ? __switch_to_asm+0x34/0x70 [ 378.772441] ? __switch_to_asm+0x34/0x70 [ 378.776564] ? __switch_to_asm+0x40/0x70 [ 378.780680] ? __switch_to_asm+0x34/0x70 [ 378.784823] bpf_clone_redirect+0xb9/0x490 [ 378.789123] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 378.794271] ? __sched_text_start+0x8/0x8 [ 378.798518] ? retint_kernel+0x2d/0x2d [ 378.802508] ? find_held_lock+0x36/0x1c0 [ 378.806932] ? lock_acquire+0x1ed/0x520 [ 378.811045] ? bpf_test_run+0x32e/0x5a0 [ 378.815065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.820714] ? check_preemption_disabled+0x48/0x200 [ 378.825849] ? kasan_check_read+0x11/0x20 [ 378.830070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.835438] ? rcu_bh_qs+0xc0/0xc0 [ 378.839048] ? preempt_schedule+0x4d/0x60 [ 378.843272] ? ___preempt_schedule+0x16/0x18 [ 378.847786] ? bpf_test_run+0x1c0/0x5a0 [ 378.851849] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.856369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.862055] ? bpf_test_init.isra.9+0x70/0x100 [ 378.866729] ? bpf_prog_test_run_skb+0x634/0xb40 [ 378.871613] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.876559] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.882252] ? fput+0x130/0x1a0 [ 378.885596] ? __bpf_prog_get+0x9b/0x290 [ 378.889725] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.894672] ? bpf_prog_test_run+0x130/0x1a0 [ 378.899195] ? __x64_sys_bpf+0x3d8/0x510 [ 378.903346] ? bpf_prog_get+0x20/0x20 [ 378.907278] ? do_syscall_64+0x1b9/0x820 [ 378.911429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 378.916937] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.921964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.926964] ? trace_hardirqs_off+0x300/0x300 [ 378.931574] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 378.936706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.942654] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.947801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.952743] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.958241] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 378.958549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.965072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.965080] Call Trace: [ 378.965157] dump_stack+0x1c4/0x2b4 [ 378.965174] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.965220] warn_alloc.cold.118+0xb7/0x1bd [ 378.965234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.965263] ? lock_downgrade+0x900/0x900 [ 378.965290] ? trace_hardirqs_off+0xb8/0x300 [ 378.965315] ? trace_hardirqs_off+0xb8/0x300 [ 378.972304] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.981445] __alloc_pages_slowpath+0x2667/0x2d80 [ 378.983985] syz-executor1 cpuset= [ 378.987719] ? warn_alloc+0x120/0x120 [ 378.992908] syz1 [ 378.997316] ? warn_alloc+0x120/0x120 [ 379.002170] mems_allowed=0 [ 379.006513] ? print_usage_bug+0xc0/0xc0 [ 379.051459] ? warn_alloc+0x120/0x120 [ 379.055359] ? print_usage_bug+0xc0/0xc0 [ 379.059508] ? __lock_acquire+0x7ec/0x4ec0 [ 379.063843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.069524] ? should_fail+0x22d/0xd01 [ 379.073508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.078748] ? __lock_acquire+0x7ec/0x4ec0 [ 379.083091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.088347] ? __lock_acquire+0x7ec/0x4ec0 [ 379.092666] ? should_fail+0x22d/0xd01 [ 379.096647] ? print_usage_bug+0xc0/0xc0 [ 379.100822] ? mark_held_locks+0x130/0x130 [ 379.105116] ? mark_held_locks+0x130/0x130 [ 379.109476] ? graph_lock+0x170/0x170 [ 379.113373] ? print_usage_bug+0xc0/0xc0 [ 379.117525] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 379.122420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.128062] ? check_preemption_disabled+0x48/0x200 [ 379.133963] ? check_preemption_disabled+0x48/0x200 [ 379.139137] ? __lock_is_held+0xb5/0x140 [ 379.143307] __alloc_pages_nodemask+0xa80/0xde0 [ 379.148064] ? graph_lock+0x170/0x170 [ 379.151937] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.157056] ? graph_lock+0x170/0x170 [ 379.160929] ? find_held_lock+0x36/0x1c0 [ 379.165070] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.169820] ? lock_downgrade+0x900/0x900 [ 379.174047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.179713] cache_grow_begin+0x91/0x8c0 [ 379.183897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.188430] fallback_alloc+0x203/0x2e0 [ 379.192500] ____cache_alloc_node+0x1c7/0x1e0 [ 379.197068] kmem_cache_alloc_node+0xe3/0x730 [ 379.201697] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.206093] __alloc_skb+0x119/0x770 [ 379.209922] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.215389] ? skb_scrub_packet+0x490/0x490 [ 379.220012] ? lock_downgrade+0x900/0x900 [ 379.224274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.230227] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.235839] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.241500] ? addrconf_rs_timer+0x6f0/0x6f0 [ 379.246407] ndisc_alloc_skb+0x144/0x340 [ 379.251346] ndisc_send_rs+0x331/0x6e0 [ 379.255324] addrconf_rs_timer+0x3c0/0x6f0 [ 379.259643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.264001] call_timer_fn+0x272/0x920 [ 379.267979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.272333] ? process_timeout+0x40/0x40 [ 379.276463] ? find_held_lock+0x36/0x1c0 [ 379.280637] ? __run_timers+0x7da/0xc70 [ 379.284680] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.289291] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.293902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.298238] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 379.302928] ? trace_hardirqs_on+0xbd/0x310 [ 379.307332] ? kasan_check_read+0x11/0x20 [ 379.311614] ? __run_timers+0x7da/0xc70 [ 379.315666] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.321266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.325593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.330240] __run_timers+0x7e5/0xc70 [ 379.334438] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 379.339910] ? compat_start_thread+0x80/0x80 [ 379.344441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.350080] ? _raw_spin_unlock_irq+0x60/0x80 [ 379.354665] ? finish_task_switch+0x1f5/0x900 [ 379.359266] ? finish_task_switch+0x1b5/0x900 [ 379.363860] ? __switch_to_asm+0x34/0x70 [ 379.368048] ? preempt_notifier_register+0x200/0x200 [ 379.373254] ? __switch_to_asm+0x34/0x70 [ 379.377441] ? __switch_to_asm+0x40/0x70 [ 379.381589] ? __switch_to_asm+0x34/0x70 [ 379.385774] ? __switch_to_asm+0x40/0x70 [ 379.389918] ? __switch_to_asm+0x34/0x70 [ 379.394040] ? __switch_to_asm+0x40/0x70 [ 379.398153] ? __switch_to_asm+0x40/0x70 [ 379.402306] ? pvclock_read_flags+0x160/0x160 [ 379.406864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.412441] ? check_preemption_disabled+0x48/0x200 [ 379.417540] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.422865] ? rcu_pm_notify+0xc0/0xc0 [ 379.426780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.432400] ? check_preemption_disabled+0x48/0x200 [ 379.437453] run_timer_softirq+0x52/0xb0 [ 379.441520] ? rcu_read_lock_sched_held+0x108/0x120 [ 379.446566] __do_softirq+0x30b/0xad8 [ 379.450421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 379.455582] ? trace_hardirqs_off_caller+0x300/0x300 [ 379.460735] ? retint_kernel+0x1b/0x2d [ 379.464682] ? schedule+0x108/0x460 [ 379.468385] ? __schedule+0x1ed0/0x1ed0 [ 379.472466] ? trace_hardirqs_off+0xb8/0x300 [ 379.476994] ? ___might_sleep+0x1ed/0x300 [ 379.481230] ? smpboot_thread_fn+0x68b/0xa00 [ 379.485747] ? trace_hardirqs_on+0x310/0x310 [ 379.490263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.495880] ? check_preemption_disabled+0x48/0x200 [ 379.500974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.506629] ? takeover_tasklets+0xa90/0xa90 [ 379.511097] run_ksoftirqd+0x94/0x100 [ 379.514989] smpboot_thread_fn+0x68b/0xa00 [ 379.519321] ? sort_range+0x30/0x30 [ 379.523002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.528160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.533764] ? __kthread_parkme+0xfb/0x1a0 [ 379.538055] kthread+0x35a/0x420 [ 379.541466] ? sort_range+0x30/0x30 [ 379.545142] ? kthread_bind+0x40/0x40 [ 379.549019] ret_from_fork+0x3a/0x50 [ 379.552792] warn_alloc_show_mem: 1 callbacks suppressed [ 379.552808] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 379.552810] Mem-Info: [ 379.552846] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 379.552846] active_file:18 inactive_file:31 isolated_file:0 [ 379.552846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.552846] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 379.552846] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 379.552846] free:13670 free_pcp:352 free_cma:0 [ 379.558420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.565775] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.568190] Call Trace: [ 379.601268] Node 0 [ 379.610660] [ 379.638658] 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 [ 379.641263] dump_stack+0x1c4/0x2b4 [ 379.643458] lowmem_reserve[]: 0 [ 379.645679] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.671158] 2815 [ 379.674950] warn_alloc.cold.118+0xb7/0x1bd [ 379.678217] 6318 [ 379.683562] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.685594] 6318 [ 379.690024] ? lock_downgrade+0x900/0x900 [ 379.696944] ? trace_hardirqs_off+0xb8/0x300 [ 379.698988] Node 0 [ 379.703197] ? trace_hardirqs_off+0xb8/0x300 [ 379.707633] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 379.709882] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.714273] lowmem_reserve[]: 0 [ 379.741125] ? warn_alloc+0x120/0x120 [ 379.745961] 0 [ 379.749348] ? trace_hardirqs_on+0x310/0x310 [ 379.753093] 3503 3503 [ 379.754939] ? warn_alloc+0x120/0x120 [ 379.761895] ? print_usage_bug+0xc0/0xc0 [ 379.765691] Node 0 [ 379.769817] ? warn_alloc+0x120/0x120 [ 379.769856] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 379.769867] lowmem_reserve[]: [ 379.772113] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.772133] ? print_usage_bug+0xc0/0xc0 [ 379.775944] 0 0 [ 379.804662] ? __lock_acquire+0x7ec/0x4ec0 [ 379.807761] 0 0 [ 379.812906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.819037] ? should_fail+0x22d/0xd01 [ 379.823251] Node 0 [ 379.825278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.830795] DMA: [ 379.834735] ? __lock_acquire+0x7ec/0x4ec0 [ 379.836966] 1*4kB [ 379.842115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.844151] (U) [ 379.848458] ? __lock_acquire+0x7ec/0x4ec0 [ 379.850576] 0*8kB [ 379.855761] ? should_fail+0x22d/0xd01 [ 379.857700] 0*16kB [ 379.861998] ? print_usage_bug+0xc0/0xc0 [ 379.862037] ? mark_held_locks+0x130/0x130 [ 379.864178] 1*32kB [ 379.868096] ? mark_held_locks+0x130/0x130 [ 379.870301] (U) 2*64kB [ 379.874441] ? graph_lock+0x170/0x170 [ 379.878678] (U) 1*128kB [ 379.880999] ? print_usage_bug+0xc0/0xc0 [ 379.885228] (U) 1*256kB [ 379.887887] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 379.887924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.891732] (U) [ 379.894501] ? check_preemption_disabled+0x48/0x200 [ 379.898539] 0*512kB 1*1024kB [ 379.901273] ? check_preemption_disabled+0x48/0x200 [ 379.906031] (U) 1*2048kB [ 379.911664] ? __lock_is_held+0xb5/0x140 [ 379.913599] (M) 3*4096kB [ 379.918687] __alloc_pages_nodemask+0xa80/0xde0 [ 379.921801] (M) [ 379.926886] ? graph_lock+0x170/0x170 [ 379.929630] = 15908kB [ 379.933772] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.936511] Node 0 [ 379.941236] ? graph_lock+0x170/0x170 [ 379.943178] DMA32: 4*4kB [ 379.947060] ? find_held_lock+0x36/0x1c0 [ 379.949443] (UM) 1*8kB [ 379.954553] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.956751] (M) [ 379.960619] ? lock_downgrade+0x900/0x900 [ 379.963349] 3*16kB (M) [ 379.967506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.970070] 3*32kB (M) [ 379.974818] cache_grow_begin+0x91/0x8c0 [ 379.976847] 1*64kB [ 379.981062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.983612] (M) 3*128kB [ 379.989310] fallback_alloc+0x203/0x2e0 [ 379.991867] (UM) 3*256kB [ 379.996044] ____cache_alloc_node+0x1c7/0x1e0 [ 379.999785] (UM) [ 380.004276] kmem_cache_alloc_node+0xe3/0x730 [ 380.006919] 4*512kB (UM) [ 380.011002] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.013736] 3*1024kB [ 380.018277] __alloc_skb+0x119/0x770 [ 380.020315] (M) [ 380.024918] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.027657] 3*2048kB (M) [ 380.031970] ? skb_scrub_packet+0x490/0x490 [ 380.034348] 3*4096kB (M) [ 380.038112] ? lock_downgrade+0x900/0x900 [ 380.040069] = 24936kB [ 380.045412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.048155] Node 0 [ 380.052525] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.055260] Normal: 1267*4kB [ 380.059524] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.061897] (UMEH) [ 380.067541] ? addrconf_rs_timer+0x6f0/0x6f0 [ 380.069737] 430*8kB (UMEH) [ 380.075263] ndisc_alloc_skb+0x144/0x340 [ 380.078349] 212*16kB (UMEH) [ 380.083902] ndisc_send_rs+0x331/0x6e0 [ 380.086128] 35*32kB [ 380.090616] addrconf_rs_timer+0x3c0/0x6f0 [ 380.093542] (MH) [ 380.097695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.100721] 9*64kB (MH) [ 380.105209] call_timer_fn+0x272/0x920 [ 380.107508] 1*128kB [ 380.111844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.113865] (H) [ 380.118177] ? process_timeout+0x40/0x40 [ 380.120825] 1*256kB (H) [ 380.124787] ? find_held_lock+0x36/0x1c0 [ 380.127092] 0*512kB [ 380.131373] ? __run_timers+0x7da/0xc70 [ 380.133311] 0*1024kB 0*2048kB [ 380.137440] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.140084] 0*4096kB = 13980kB [ 380.144226] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.146577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.150606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.153791] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.153806] 4516 total pagecache pages [ 380.158386] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 380.161585] 0 pages in swap cache [ 380.166186] ? trace_hardirqs_on+0xbd/0x310 [ 380.175012] Swap cache stats: add 0, delete 0, find 0/0 [ 380.175032] Free swap = 0kB [ 380.179480] ? kasan_check_read+0x11/0x20 [ 380.189860] Total swap = 0kB [ 380.189892] 1965979 pages RAM [ 380.193860] ? __run_timers+0x7da/0xc70 [ 380.198485] 0 pages HighMem/MovableOnly [ 380.202033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.206479] 343324 pages reserved [ 380.206505] 0 pages cma reserved [ 380.212015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.215370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.219372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.219426] __run_timers+0x7e5/0xc70 [ 380.219468] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.219506] ? check_preemption_disabled+0x48/0x200 [ 380.222746] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.227595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.227640] ? rcu_irq_exit+0xce/0x100 [ 380.231710] ksoftirqd/0 cpuset= [ 380.235759] ? irq_exit+0xbd/0x1c0 [ 380.241291] / [ 380.244829] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.248184] mems_allowed=0 [ 380.252521] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.319456] ? retint_kernel+0x2d/0x2d [ 380.323435] ? trace_hardirqs_on_caller+0xc0/0x300 [ 380.328550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.333431] ? trace_hardirqs_off_caller+0x300/0x300 [ 380.338667] ? graph_lock+0x170/0x170 [ 380.342558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.348171] ? check_preemption_disabled+0x48/0x200 [ 380.353333] ? __lock_is_held+0xb5/0x140 [ 380.357513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.363111] ? check_preemption_disabled+0x48/0x200 [ 380.368271] run_timer_softirq+0x52/0xb0 [ 380.372439] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.377550] __do_softirq+0x30b/0xad8 [ 380.381473] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 380.386674] ? pvclock_read_flags+0x160/0x160 [ 380.391282] ? lapic_next_event+0x5a/0x90 [ 380.395540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.401153] ? check_preemption_disabled+0x48/0x200 [ 380.406297] ? check_preemption_disabled+0x48/0x200 [ 380.411425] ? kvm_clock_read+0x18/0x30 [ 380.415459] ? kvm_sched_clock_read+0x9/0x20 [ 380.419951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.425554] ? check_preemption_disabled+0x48/0x200 [ 380.430655] irq_exit+0x17f/0x1c0 [ 380.434168] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.439063] ? smp_reschedule_interrupt+0x109/0x650 [ 380.444133] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.450078] ? interrupt_entry+0xb5/0xf0 [ 380.454223] ? trace_hardirqs_off_caller+0xbb/0x300 [ 380.459314] ? trace_hardirqs_off_caller+0xbb/0x300 [ 380.464459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.469420] ? trace_hardirqs_off+0x300/0x300 [ 380.473984] ? trace_hardirqs_off+0x300/0x300 [ 380.478558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.484171] ? check_preemption_disabled+0x48/0x200 [ 380.489291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.494946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.499890] apic_timer_interrupt+0xf/0x20 [ 380.504202] [ 380.506493] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 380.511512] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 380.530494] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 380.538271] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 380.545605] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 380.552953] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 380.560288] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 380.567627] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 380.575053] skb_clone+0x1bb/0x500 [ 380.578644] ? skb_split+0x11e0/0x11e0 [ 380.583477] ? preempt_notifier_register+0x200/0x200 [ 380.588685] ? __switch_to_asm+0x34/0x70 [ 380.592888] ? __switch_to_asm+0x34/0x70 [ 380.597053] ? __switch_to_asm+0x40/0x70 [ 380.601170] ? __switch_to_asm+0x34/0x70 [ 380.605286] ? __switch_to_asm+0x40/0x70 [ 380.609428] ? __switch_to_asm+0x40/0x70 [ 380.613553] ? __switch_to_asm+0x34/0x70 [ 380.617708] ? __switch_to_asm+0x34/0x70 [ 380.621867] ? __switch_to_asm+0x40/0x70 [ 380.625995] ? __switch_to_asm+0x34/0x70 [ 380.630127] bpf_clone_redirect+0xb9/0x490 [ 380.634444] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 380.639557] ? __sched_text_start+0x8/0x8 [ 380.643788] ? retint_kernel+0x2d/0x2d [ 380.647753] ? find_held_lock+0x36/0x1c0 [ 380.651902] ? lock_acquire+0x1ed/0x520 [ 380.655990] ? bpf_test_run+0x32e/0x5a0 [ 380.660050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.665708] ? check_preemption_disabled+0x48/0x200 [ 380.670869] ? kasan_check_read+0x11/0x20 [ 380.675100] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.680467] ? rcu_bh_qs+0xc0/0xc0 [ 380.684076] ? preempt_schedule+0x4d/0x60 [ 380.688334] ? ___preempt_schedule+0x16/0x18 [ 380.692835] ? bpf_test_run+0x1c0/0x5a0 [ 380.696916] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.701466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.707093] ? bpf_test_init.isra.9+0x70/0x100 [ 380.711805] ? bpf_prog_test_run_skb+0x634/0xb40 [ 380.716683] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.721887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.727612] ? fput+0x130/0x1a0 [ 380.730960] ? __bpf_prog_get+0x9b/0x290 [ 380.735112] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.740056] ? bpf_prog_test_run+0x130/0x1a0 [ 380.744551] ? __x64_sys_bpf+0x3d8/0x510 [ 380.748665] ? bpf_prog_get+0x20/0x20 [ 380.752568] ? do_syscall_64+0x1b9/0x820 [ 380.756698] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.762139] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.767154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.772065] ? trace_hardirqs_off+0x300/0x300 [ 380.776646] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.781760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.787444] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.792583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.797578] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.803059] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 380.803308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.809947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.809964] Call Trace: [ 380.810053] dump_stack+0x1c4/0x2b4 [ 380.810068] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.810097] warn_alloc.cold.118+0xb7/0x1bd [ 380.810119] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.810158] ? lock_downgrade+0x900/0x900 [ 380.817059] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.826407] ? trace_hardirqs_off+0xb8/0x300 [ 380.828951] syz-executor1 cpuset= [ 380.832714] ? trace_hardirqs_off+0xb8/0x300 [ 380.837930] syz1 [ 380.842375] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.847279] mems_allowed=0 [ 380.884307] ? warn_alloc+0x120/0x120 [ 380.888175] ? warn_alloc+0x120/0x120 [ 380.892049] ? print_usage_bug+0xc0/0xc0 [ 380.896160] ? warn_alloc+0x120/0x120 [ 380.900011] ? print_usage_bug+0xc0/0xc0 [ 380.904125] ? __lock_acquire+0x7ec/0x4ec0 [ 380.908445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.914072] ? should_fail+0x22d/0xd01 [ 380.918038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.923259] ? __lock_acquire+0x7ec/0x4ec0 [ 380.927561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.932770] ? __lock_acquire+0x7ec/0x4ec0 [ 380.937059] ? should_fail+0x22d/0xd01 [ 380.941009] ? mark_held_locks+0x130/0x130 [ 380.945303] ? mark_held_locks+0x130/0x130 [ 380.949637] ? graph_lock+0x170/0x170 [ 380.953488] ? graph_lock+0x170/0x170 [ 380.957358] ? graph_lock+0x170/0x170 [ 380.961248] ? print_usage_bug+0xc0/0xc0 [ 380.965370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.971049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.976757] ? check_preemption_disabled+0x48/0x200 [ 380.982999] ? check_preemption_disabled+0x48/0x200 [ 380.988101] ? __lock_is_held+0xb5/0x140 [ 380.992255] __alloc_pages_nodemask+0xa80/0xde0 [ 380.998538] ? graph_lock+0x170/0x170 [ 381.002460] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.007626] ? graph_lock+0x170/0x170 [ 381.011545] ? find_held_lock+0x36/0x1c0 [ 381.015737] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.020555] ? lock_downgrade+0x900/0x900 [ 381.024843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.030561] cache_grow_begin+0x91/0x8c0 [ 381.034748] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.039352] fallback_alloc+0x203/0x2e0 [ 381.043399] ____cache_alloc_node+0x1c7/0x1e0 [ 381.048347] kmem_cache_alloc_node+0xe3/0x730 [ 381.053009] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.057317] __alloc_skb+0x119/0x770 [ 381.061077] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.066500] ? skb_scrub_packet+0x490/0x490 [ 381.070936] ? lock_downgrade+0x900/0x900 [ 381.075131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.080776] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.086313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.091910] ? addrconf_rs_timer+0x6f0/0x6f0 [ 381.096424] ndisc_alloc_skb+0x144/0x340 [ 381.100591] ndisc_send_rs+0x331/0x6e0 [ 381.104875] addrconf_rs_timer+0x3c0/0x6f0 [ 381.109175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.113466] call_timer_fn+0x272/0x920 [ 381.117410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.121708] ? process_timeout+0x40/0x40 [ 381.125829] ? find_held_lock+0x36/0x1c0 [ 381.129975] ? __run_timers+0x7da/0xc70 [ 381.134906] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.139577] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.144137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.148512] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.153224] ? trace_hardirqs_on+0xbd/0x310 [ 381.157667] ? kasan_check_read+0x11/0x20 [ 381.161964] ? __run_timers+0x7da/0xc70 [ 381.166056] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.171629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.176051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.181631] __run_timers+0x7e5/0xc70 [ 381.185589] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.191055] ? compat_start_thread+0x80/0x80 [ 381.195591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.201298] ? _raw_spin_unlock_irq+0x60/0x80 [ 381.205925] ? finish_task_switch+0x1f5/0x900 [ 381.210539] ? finish_task_switch+0x1b5/0x900 [ 381.215105] ? __switch_to_asm+0x34/0x70 [ 381.219344] ? preempt_notifier_register+0x200/0x200 [ 381.224590] ? __switch_to_asm+0x34/0x70 [ 381.228849] ? __switch_to_asm+0x40/0x70 [ 381.233004] ? __switch_to_asm+0x34/0x70 [ 381.237136] ? __switch_to_asm+0x40/0x70 [ 381.241290] ? __switch_to_asm+0x34/0x70 [ 381.245471] ? __switch_to_asm+0x40/0x70 [ 381.249632] ? __switch_to_asm+0x40/0x70 [ 381.253787] ? pvclock_read_flags+0x160/0x160 [ 381.258404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.264055] ? check_preemption_disabled+0x48/0x200 [ 381.269192] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.274652] ? rcu_pm_notify+0xc0/0xc0 [ 381.278687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.284371] ? check_preemption_disabled+0x48/0x200 [ 381.289539] run_timer_softirq+0x52/0xb0 [ 381.293714] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.298925] __do_softirq+0x30b/0xad8 [ 381.302898] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.308104] ? trace_hardirqs_off_caller+0x300/0x300 [ 381.313350] ? retint_kernel+0x1b/0x2d [ 381.317412] ? schedule+0x108/0x460 [ 381.321099] ? __schedule+0x1ed0/0x1ed0 [ 381.325170] ? trace_hardirqs_off+0xb8/0x300 [ 381.329688] ? ___might_sleep+0x1ed/0x300 [ 381.333916] ? smpboot_thread_fn+0x68b/0xa00 [ 381.338452] ? trace_hardirqs_on+0x310/0x310 [ 381.343018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.348773] ? check_preemption_disabled+0x48/0x200 [ 381.353926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.359647] ? takeover_tasklets+0xa90/0xa90 [ 381.364187] run_ksoftirqd+0x94/0x100 [ 381.368084] smpboot_thread_fn+0x68b/0xa00 [ 381.372473] ? sort_range+0x30/0x30 [ 381.376234] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.381473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.387122] ? __kthread_parkme+0xfb/0x1a0 [ 381.391497] kthread+0x35a/0x420 [ 381.394943] ? sort_range+0x30/0x30 [ 381.398670] ? kthread_bind+0x40/0x40 [ 381.402605] ret_from_fork+0x3a/0x50 [ 381.406438] warn_alloc_show_mem: 1 callbacks suppressed [ 381.406468] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 381.406471] Mem-Info: [ 381.406500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.411956] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 381.411956] active_file:18 inactive_file:31 isolated_file:0 [ 381.411956] unevictable:0 dirty:0 writeback:0 unstable:0 [ 381.411956] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 381.411956] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 381.411956] free:13670 free_pcp:352 free_cma:0 [ 381.419316] Call Trace: [ 381.421758] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 381.431223] [ 381.464424] Node 0 [ 381.467068] dump_stack+0x1c4/0x2b4 [ 381.495469] 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 [ 381.497648] ? dump_stack_print_info.cold.2+0x52/0x52 [ 381.499813] lowmem_reserve[]: 0 [ 381.503550] warn_alloc.cold.118+0xb7/0x1bd [ 381.529080] 2815 [ 381.534405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.537604] 6318 6318 [ 381.542058] ? lock_downgrade+0x900/0x900 [ 381.544083] Node 0 [ 381.549008] ? trace_hardirqs_off+0xb8/0x300 [ 381.551518] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 381.555681] ? trace_hardirqs_off+0xb8/0x300 [ 381.557878] lowmem_reserve[]: [ 381.562379] __alloc_pages_slowpath+0x2667/0x2d80 [ 381.589091] 0 [ 381.593645] ? warn_alloc+0x120/0x120 [ 381.596665] 0 [ 381.601623] ? warn_alloc+0x120/0x120 [ 381.603343] 3503 [ 381.607215] ? print_usage_bug+0xc0/0xc0 [ 381.608962] 3503 [ 381.612832] ? warn_alloc+0x120/0x120 [ 381.618955] ? print_usage_bug+0xc0/0xc0 [ 381.620989] Node 0 [ 381.624842] ? __lock_acquire+0x7ec/0x4ec0 [ 381.628947] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 381.628959] lowmem_reserve[]: [ 381.631254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.635473] 0 0 [ 381.664315] ? should_fail+0x22d/0xd01 [ 381.667385] 0 0 [ 381.673060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.675008] Node 0 [ 381.678958] ? __lock_acquire+0x7ec/0x4ec0 [ 381.680894] DMA: [ 381.686065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.688276] 1*4kB [ 381.692588] ? __lock_acquire+0x7ec/0x4ec0 [ 381.692626] ? should_fail+0x22d/0xd01 [ 381.694680] (U) [ 381.699913] ? mark_held_locks+0x130/0x130 [ 381.702003] 0*8kB [ 381.706299] ? mark_held_locks+0x130/0x130 [ 381.710140] 0*16kB 1*32kB [ 381.712171] ? graph_lock+0x170/0x170 [ 381.716402] (U) 2*64kB [ 381.718622] ? graph_lock+0x170/0x170 [ 381.722832] (U) [ 381.725767] ? graph_lock+0x170/0x170 [ 381.729509] 1*128kB (U) [ 381.732173] ? print_usage_bug+0xc0/0xc0 [ 381.735938] 1*256kB [ 381.737949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.741711] (U) 0*512kB [ 381.744475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.748504] 1*1024kB [ 381.750894] ? check_preemption_disabled+0x48/0x200 [ 381.756674] (U) 1*2048kB [ 381.759468] ? check_preemption_disabled+0x48/0x200 [ 381.765046] (M) 3*4096kB [ 381.767565] ? __lock_is_held+0xb5/0x140 [ 381.772542] (M) = 15908kB [ 381.775415] __alloc_pages_nodemask+0xa80/0xde0 [ 381.780441] Node 0 [ 381.783284] ? graph_lock+0x170/0x170 [ 381.787274] DMA32: 4*4kB [ 381.790097] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.794735] (UM) 1*8kB [ 381.797059] ? graph_lock+0x170/0x170 [ 381.800844] (M) 3*16kB (M) [ 381.803721] ? find_held_lock+0x36/0x1c0 [ 381.808699] 3*32kB (M) [ 381.811396] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.815168] 1*64kB (M) [ 381.818185] ? lock_downgrade+0x900/0x900 [ 381.822231] 3*128kB (UM) [ 381.824906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.829567] 3*256kB (UM) [ 381.832242] cache_grow_begin+0x91/0x8c0 [ 381.836371] 4*512kB [ 381.839152] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.844660] (UM) [ 381.847484] fallback_alloc+0x203/0x2e0 [ 381.851562] 3*1024kB [ 381.853926] ____cache_alloc_node+0x1c7/0x1e0 [ 381.858304] (M) [ 381.860372] kmem_cache_alloc_node+0xe3/0x730 [ 381.864321] 3*2048kB (M) [ 381.866765] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.871232] 3*4096kB (M) [ 381.873250] __alloc_skb+0x119/0x770 [ 381.877722] = 24936kB [ 381.880483] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.884700] Node 0 [ 381.887545] ? skb_scrub_packet+0x490/0x490 [ 381.891251] Normal: [ 381.893667] ? lock_downgrade+0x900/0x900 [ 381.898920] 1267*4kB [ 381.901161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.905449] (UMEH) 430*8kB [ 381.907785] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.911907] (UMEH) [ 381.914313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.919827] 212*16kB (UMEH) [ 381.922788] ? addrconf_rs_timer+0x6f0/0x6f0 [ 381.928221] 35*32kB (MH) [ 381.930501] ndisc_alloc_skb+0x144/0x340 [ 381.935961] 9*64kB [ 381.939014] ndisc_send_rs+0x331/0x6e0 [ 381.943408] (MH) [ 381.946229] addrconf_rs_timer+0x3c0/0x6f0 [ 381.950294] 1*128kB [ 381.952587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.956459] (H) [ 381.958598] call_timer_fn+0x272/0x920 [ 381.962814] 1*256kB [ 381.965175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.969388] (H) 0*512kB [ 381.971433] ? process_timeout+0x40/0x40 [ 381.975293] 0*1024kB 0*2048kB [ 381.977667] ? find_held_lock+0x36/0x1c0 [ 381.981925] 0*4096kB = 13980kB [ 381.984687] ? __run_timers+0x7da/0xc70 [ 381.988774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.992038] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.996074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.996091] 4516 total pagecache pages [ 381.999343] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.003301] 0 pages in swap cache [ 382.012697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.017185] Swap cache stats: add 0, delete 0, find 0/0 [ 382.017202] Free swap = 0kB [ 382.025838] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.029722] Total swap = 0kB [ 382.029740] 1965979 pages RAM [ 382.034335] ? trace_hardirqs_on+0xbd/0x310 [ 382.039248] 0 pages HighMem/MovableOnly [ 382.039269] 343324 pages reserved [ 382.043555] ? kasan_check_read+0x11/0x20 [ 382.048927] 0 pages cma reserved [ 382.049125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.052047] ? __run_timers+0x7da/0xc70 [ 382.056736] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.059705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.062796] ksoftirqd/0 cpuset= [ 382.067169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.071147] / [ 382.074642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.078781] mems_allowed=0 [ 382.082171] __run_timers+0x7e5/0xc70 [ 382.129414] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.134846] ? check_preemption_disabled+0x48/0x200 [ 382.139949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.145651] ? rcu_irq_exit+0xce/0x100 [ 382.149641] ? irq_exit+0xbd/0x1c0 [ 382.153287] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 382.158399] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.163242] ? retint_kernel+0x2d/0x2d [ 382.167193] ? trace_hardirqs_on_caller+0xc0/0x300 [ 382.172206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.177041] ? trace_hardirqs_off_caller+0x300/0x300 [ 382.182201] ? graph_lock+0x170/0x170 [ 382.186100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.191720] ? check_preemption_disabled+0x48/0x200 [ 382.196846] ? __lock_is_held+0xb5/0x140 [ 382.200969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.206589] ? check_preemption_disabled+0x48/0x200 [ 382.211719] run_timer_softirq+0x52/0xb0 [ 382.215899] ? rcu_read_lock_sched_held+0x108/0x120 [ 382.220986] __do_softirq+0x30b/0xad8 [ 382.225745] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 382.231039] ? pvclock_read_flags+0x160/0x160 [ 382.235618] ? lapic_next_event+0x5a/0x90 [ 382.239882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.245525] ? check_preemption_disabled+0x48/0x200 [ 382.250602] ? check_preemption_disabled+0x48/0x200 [ 382.255740] ? kvm_clock_read+0x18/0x30 [ 382.259790] ? kvm_sched_clock_read+0x9/0x20 [ 382.264292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.269920] ? check_preemption_disabled+0x48/0x200 [ 382.275041] irq_exit+0x17f/0x1c0 [ 382.278581] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.283483] ? smp_reschedule_interrupt+0x109/0x650 [ 382.288579] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.294582] ? interrupt_entry+0xb5/0xf0 [ 382.298721] ? trace_hardirqs_off_caller+0xbb/0x300 [ 382.303815] ? trace_hardirqs_off_caller+0xbb/0x300 [ 382.308922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.313895] ? trace_hardirqs_off+0x300/0x300 [ 382.318463] ? trace_hardirqs_off+0x300/0x300 [ 382.323089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.328727] ? check_preemption_disabled+0x48/0x200 [ 382.333849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.339511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.344527] apic_timer_interrupt+0xf/0x20 [ 382.348872] [ 382.351214] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.356269] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 382.375252] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 382.383056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 382.390377] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 382.397758] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 382.405094] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 382.412493] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 382.419907] skb_clone+0x1bb/0x500 [ 382.423558] ? skb_split+0x11e0/0x11e0 [ 382.427536] ? preempt_notifier_register+0x200/0x200 [ 382.432707] ? __switch_to_asm+0x34/0x70 [ 382.436854] ? __switch_to_asm+0x34/0x70 [ 382.441033] ? __switch_to_asm+0x40/0x70 [ 382.445179] ? __switch_to_asm+0x34/0x70 [ 382.449371] ? __switch_to_asm+0x40/0x70 [ 382.453536] ? __switch_to_asm+0x40/0x70 [ 382.457675] ? __switch_to_asm+0x34/0x70 [ 382.461808] ? __switch_to_asm+0x34/0x70 [ 382.465948] ? __switch_to_asm+0x40/0x70 [ 382.470089] ? __switch_to_asm+0x34/0x70 [ 382.474232] bpf_clone_redirect+0xb9/0x490 [ 382.478615] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 382.483728] ? __sched_text_start+0x8/0x8 [ 382.487950] ? retint_kernel+0x2d/0x2d [ 382.491905] ? find_held_lock+0x36/0x1c0 [ 382.496213] ? lock_acquire+0x1ed/0x520 [ 382.500272] ? bpf_test_run+0x32e/0x5a0 [ 382.504390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.510055] ? check_preemption_disabled+0x48/0x200 [ 382.515140] ? kasan_check_read+0x11/0x20 [ 382.519423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.524825] ? rcu_bh_qs+0xc0/0xc0 [ 382.528432] ? preempt_schedule+0x4d/0x60 [ 382.532641] ? ___preempt_schedule+0x16/0x18 [ 382.537126] ? bpf_test_run+0x1c0/0x5a0 [ 382.541192] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.545678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.551277] ? bpf_test_init.isra.9+0x70/0x100 [ 382.555949] ? bpf_prog_test_run_skb+0x634/0xb40 [ 382.560801] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.565754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.571377] ? fput+0x130/0x1a0 [ 382.574715] ? __bpf_prog_get+0x9b/0x290 [ 382.578847] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.583775] ? bpf_prog_test_run+0x130/0x1a0 [ 382.588280] ? __x64_sys_bpf+0x3d8/0x510 [ 382.592418] ? bpf_prog_get+0x20/0x20 [ 382.596340] ? do_syscall_64+0x1b9/0x820 [ 382.600466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.605942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.610939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.615849] ? trace_hardirqs_off+0x300/0x300 [ 382.620444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.625554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.631180] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.636302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.641233] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.646682] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 382.646792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.653530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.653542] Call Trace: [ 382.653593] dump_stack+0x1c4/0x2b4 [ 382.653608] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.653634] warn_alloc.cold.118+0xb7/0x1bd [ 382.653647] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.653667] ? lock_downgrade+0x900/0x900 [ 382.653691] ? trace_hardirqs_off+0xb8/0x300 [ 382.660530] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.669823] ? trace_hardirqs_off+0xb8/0x300 [ 382.672411] syz-executor1 cpuset= [ 382.676118] __alloc_pages_slowpath+0x2667/0x2d80 [ 382.681311] syz1 [ 382.685750] ? warn_alloc+0x120/0x120 [ 382.690579] mems_allowed=0 [ 382.731498] ? warn_alloc+0x120/0x120 [ 382.735384] ? print_usage_bug+0xc0/0xc0 [ 382.739554] ? warn_alloc+0x120/0x120 [ 382.743449] ? print_usage_bug+0xc0/0xc0 [ 382.747607] ? __lock_acquire+0x7ec/0x4ec0 [ 382.751906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.757521] ? should_fail+0x22d/0xd01 [ 382.761515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.766695] ? __lock_acquire+0x7ec/0x4ec0 [ 382.771068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.776255] ? __lock_acquire+0x7ec/0x4ec0 [ 382.780551] ? should_fail+0x22d/0xd01 [ 382.784522] ? mark_held_locks+0x130/0x130 [ 382.788844] ? mark_held_locks+0x130/0x130 [ 382.793176] ? graph_lock+0x170/0x170 [ 382.797074] ? graph_lock+0x170/0x170 [ 382.800968] ? graph_lock+0x170/0x170 [ 382.804880] ? print_usage_bug+0xc0/0xc0 [ 382.809056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.814683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.820318] ? check_preemption_disabled+0x48/0x200 [ 382.825465] ? check_preemption_disabled+0x48/0x200 [ 382.830615] ? __lock_is_held+0xb5/0x140 [ 382.834755] __alloc_pages_nodemask+0xa80/0xde0 [ 382.839536] ? graph_lock+0x170/0x170 [ 382.843426] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.848502] ? graph_lock+0x170/0x170 [ 382.852389] ? find_held_lock+0x36/0x1c0 [ 382.856563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.861379] ? lock_downgrade+0x900/0x900 [ 382.865665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.871372] cache_grow_begin+0x91/0x8c0 [ 382.875561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.880063] fallback_alloc+0x203/0x2e0 [ 382.884110] ____cache_alloc_node+0x1c7/0x1e0 [ 382.888699] kmem_cache_alloc_node+0xe3/0x730 [ 382.893258] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.897591] __alloc_skb+0x119/0x770 [ 382.901377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.906752] ? skb_scrub_packet+0x490/0x490 [ 382.911178] ? lock_downgrade+0x900/0x900 [ 382.915400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.921085] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.926611] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.932138] ? addrconf_rs_timer+0x6f0/0x6f0 [ 382.936629] ndisc_alloc_skb+0x144/0x340 [ 382.940775] ndisc_send_rs+0x331/0x6e0 [ 382.944750] addrconf_rs_timer+0x3c0/0x6f0 [ 382.949069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.953374] call_timer_fn+0x272/0x920 [ 382.957342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.961642] ? process_timeout+0x40/0x40 [ 382.965768] ? find_held_lock+0x36/0x1c0 [ 382.969925] ? __run_timers+0x7da/0xc70 [ 382.973965] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.978556] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.983100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.987437] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.992208] ? trace_hardirqs_on+0xbd/0x310 [ 382.996599] ? kasan_check_read+0x11/0x20 [ 383.000845] ? __run_timers+0x7da/0xc70 [ 383.004896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.010448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.014860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.019159] __run_timers+0x7e5/0xc70 [ 383.023060] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.028960] ? compat_start_thread+0x80/0x80 [ 383.033464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.039078] ? _raw_spin_unlock_irq+0x60/0x80 [ 383.043635] ? finish_task_switch+0x1f5/0x900 [ 383.048206] ? finish_task_switch+0x1b5/0x900 [ 383.052807] ? __switch_to_asm+0x34/0x70 [ 383.056972] ? preempt_notifier_register+0x200/0x200 [ 383.062156] ? __switch_to_asm+0x34/0x70 [ 383.066350] ? __switch_to_asm+0x40/0x70 [ 383.070552] ? __switch_to_asm+0x34/0x70 [ 383.074740] ? __switch_to_asm+0x40/0x70 [ 383.078888] ? __switch_to_asm+0x34/0x70 [ 383.083020] ? __switch_to_asm+0x40/0x70 [ 383.087155] ? __switch_to_asm+0x40/0x70 [ 383.091312] ? pvclock_read_flags+0x160/0x160 [ 383.096013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.101677] ? check_preemption_disabled+0x48/0x200 [ 383.106895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.112333] ? rcu_pm_notify+0xc0/0xc0 [ 383.116394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.122630] ? check_preemption_disabled+0x48/0x200 [ 383.127904] run_timer_softirq+0x52/0xb0 [ 383.132200] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.137434] __do_softirq+0x30b/0xad8 [ 383.141402] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.146843] ? trace_hardirqs_off_caller+0x300/0x300 [ 383.152007] ? retint_kernel+0x1b/0x2d [ 383.156679] ? schedule+0x108/0x460 [ 383.160361] ? __schedule+0x1ed0/0x1ed0 [ 383.165366] ? trace_hardirqs_off+0xb8/0x300 [ 383.173336] ? ___might_sleep+0x1ed/0x300 [ 383.180754] ? smpboot_thread_fn+0x68b/0xa00 [ 383.188750] ? trace_hardirqs_on+0x310/0x310 [ 383.194052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.199683] ? check_preemption_disabled+0x48/0x200 [ 383.204793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.210483] ? takeover_tasklets+0xa90/0xa90 [ 383.215070] run_ksoftirqd+0x94/0x100 [ 383.218938] smpboot_thread_fn+0x68b/0xa00 [ 383.223291] ? sort_range+0x30/0x30 [ 383.228055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.233259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.238909] ? __kthread_parkme+0xfb/0x1a0 [ 383.243228] kthread+0x35a/0x420 [ 383.246660] ? sort_range+0x30/0x30 [ 383.250329] ? kthread_bind+0x40/0x40 [ 383.254211] ret_from_fork+0x3a/0x50 [ 383.258029] warn_alloc_show_mem: 1 callbacks suppressed [ 383.258045] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 383.258048] Mem-Info: [ 383.258084] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 383.258084] active_file:18 inactive_file:31 isolated_file:0 [ 383.258084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.258084] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 383.258084] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 383.258084] free:13670 free_pcp:352 free_cma:0 [ 383.263486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.270881] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.273347] Call Trace: [ 383.306531] Node 0 [ 383.315985] [ 383.345945] 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 [ 383.348535] dump_stack+0x1c4/0x2b4 [ 383.350745] lowmem_reserve[]: 0 [ 383.352974] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.378520] 2815 [ 383.382284] warn_alloc.cold.118+0xb7/0x1bd [ 383.385474] 6318 6318 [ 383.390802] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.397220] ? lock_downgrade+0x900/0x900 [ 383.399676] Node 0 [ 383.404598] ? trace_hardirqs_off+0xb8/0x300 [ 383.408774] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.411038] ? trace_hardirqs_off+0xb8/0x300 [ 383.415506] lowmem_reserve[]: 0 [ 383.442450] __alloc_pages_slowpath+0x2667/0x2d80 [ 383.446809] 0 3503 [ 383.450217] ? warn_alloc+0x120/0x120 [ 383.454991] 3503 [ 383.457311] ? trace_hardirqs_on+0x310/0x310 [ 383.461064] Node 0 [ 383.463281] ? warn_alloc+0x120/0x120 [ 383.467722] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 383.469980] ? print_usage_bug+0xc0/0xc0 [ 383.473736] lowmem_reserve[]: 0 [ 383.502513] ? warn_alloc+0x120/0x120 [ 383.506680] 0 0 [ 383.510052] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.510073] ? print_usage_bug+0xc0/0xc0 [ 383.513909] 0 [ 383.516022] ? __lock_acquire+0x7ec/0x4ec0 [ 383.521030] Node 0 [ 383.525184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.526937] DMA: 1*4kB [ 383.531295] ? should_fail+0x22d/0xd01 [ 383.533502] (U) [ 383.539102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.541662] 0*8kB [ 383.545616] ? __lock_acquire+0x7ec/0x4ec0 [ 383.547552] 0*16kB [ 383.552772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.554886] 1*32kB [ 383.559235] ? __lock_acquire+0x7ec/0x4ec0 [ 383.561422] (U) [ 383.566631] ? should_fail+0x22d/0xd01 [ 383.568822] 2*64kB [ 383.573115] ? print_usage_bug+0xc0/0xc0 [ 383.575072] (U) [ 383.579152] ? mark_held_locks+0x130/0x130 [ 383.581382] 1*128kB (U) [ 383.585667] ? mark_held_locks+0x130/0x130 [ 383.587901] 1*256kB (U) [ 383.593813] ? graph_lock+0x170/0x170 [ 383.596424] 0*512kB 1*1024kB (U) [ 383.600845] ? print_usage_bug+0xc0/0xc0 [ 383.603540] 1*2048kB (M) [ 383.612863] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.616508] 3*4096kB (M) = 15908kB [ 383.620933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.623738] Node 0 [ 383.628995] ? check_preemption_disabled+0x48/0x200 [ 383.632698] DMA32: 4*4kB [ 383.638404] ? check_preemption_disabled+0x48/0x200 [ 383.640908] (UM) 1*8kB [ 383.646107] ? __lock_is_held+0xb5/0x140 [ 383.648846] (M) 3*16kB [ 383.654033] __alloc_pages_nodemask+0xa80/0xde0 [ 383.656642] (M) [ 383.660787] ? graph_lock+0x170/0x170 [ 383.663794] 3*32kB (M) 1*64kB [ 383.668629] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.670728] (M) 3*128kB [ 383.674688] ? graph_lock+0x170/0x170 [ 383.678035] (UM) 3*256kB (UM) 4*512kB [ 383.683229] ? find_held_lock+0x36/0x1c0 [ 383.686054] (UM) 3*1024kB [ 383.689979] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.693946] (M) 3*2048kB [ 383.698956] ? lock_downgrade+0x900/0x900 [ 383.701773] (M) 3*4096kB [ 383.706576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.709278] (M) = 24936kB [ 383.713510] cache_grow_begin+0x91/0x8c0 [ 383.716268] Node 0 [ 383.722053] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.724889] Normal: 1267*4kB [ 383.729054] fallback_alloc+0x203/0x2e0 [ 383.731266] (UMEH) 430*8kB [ 383.735836] ____cache_alloc_node+0x1c7/0x1e0 [ 383.738897] (UMEH) 212*16kB [ 383.743028] kmem_cache_alloc_node+0xe3/0x730 [ 383.745937] (UMEH) 35*32kB (MH) 9*64kB [ 383.750583] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.753574] (MH) 1*128kB [ 383.758394] __alloc_skb+0x119/0x770 [ 383.762306] (H) 1*256kB [ 383.766713] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.769422] (H) 0*512kB 0*1024kB [ 383.773246] ? skb_scrub_packet+0x490/0x490 [ 383.776230] 0*2048kB 0*4096kB [ 383.781621] ? lock_downgrade+0x900/0x900 [ 383.785032] = 13980kB [ 383.785047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.785063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.789498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.792744] 4516 total pagecache pages [ 383.792780] 0 pages in swap cache [ 383.792786] Swap cache stats: add 0, delete 0, find 0/0 [ 383.797200] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.799698] Free swap = 0kB [ 383.799720] Total swap = 0kB [ 383.808805] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.817346] 1965979 pages RAM [ 383.822894] ? addrconf_rs_timer+0x6f0/0x6f0 [ 383.826765] 0 pages HighMem/MovableOnly [ 383.830227] ndisc_alloc_skb+0x144/0x340 [ 383.835554] 343324 pages reserved [ 383.835564] 0 pages cma reserved [ 383.841019] ndisc_send_rs+0x331/0x6e0 [ 383.844124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.847030] addrconf_rs_timer+0x3c0/0x6f0 [ 383.852588] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.855592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.859978] ksoftirqd/0 cpuset= [ 383.863959] call_timer_fn+0x272/0x920 [ 383.867987] / [ 383.871460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.874806] mems_allowed=0 [ 383.878692] ? process_timeout+0x40/0x40 [ 383.923978] ? find_held_lock+0x36/0x1c0 [ 383.928065] ? __run_timers+0x7da/0xc70 [ 383.932049] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.936543] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.941043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.945293] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.949880] ? trace_hardirqs_on+0xbd/0x310 [ 383.954204] ? kasan_check_read+0x11/0x20 [ 383.958351] ? __run_timers+0x7da/0xc70 [ 383.962344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.967803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.972049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.976292] __run_timers+0x7e5/0xc70 [ 383.980109] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.985493] ? check_preemption_disabled+0x48/0x200 [ 383.990516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.996064] ? rcu_irq_exit+0xce/0x100 [ 384.000272] ? irq_exit+0xbd/0x1c0 [ 384.003823] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 384.008846] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.013609] ? retint_kernel+0x2d/0x2d [ 384.017500] ? trace_hardirqs_on_caller+0xc0/0x300 [ 384.022445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.027204] ? trace_hardirqs_off_caller+0x300/0x300 [ 384.032414] ? graph_lock+0x170/0x170 [ 384.036249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.041790] ? check_preemption_disabled+0x48/0x200 [ 384.046821] ? __lock_is_held+0xb5/0x140 [ 384.050886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.056428] ? check_preemption_disabled+0x48/0x200 [ 384.061470] run_timer_softirq+0x52/0xb0 [ 384.065544] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.070570] __do_softirq+0x30b/0xad8 [ 384.074396] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.079532] ? pvclock_read_flags+0x160/0x160 [ 384.084030] ? lapic_next_event+0x5a/0x90 [ 384.088184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.093722] ? check_preemption_disabled+0x48/0x200 [ 384.098738] ? check_preemption_disabled+0x48/0x200 [ 384.103768] ? kvm_clock_read+0x18/0x30 [ 384.108241] ? kvm_sched_clock_read+0x9/0x20 [ 384.112660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.118201] ? check_preemption_disabled+0x48/0x200 [ 384.123240] irq_exit+0x17f/0x1c0 [ 384.126708] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.131555] ? smp_reschedule_interrupt+0x109/0x650 [ 384.136574] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.142460] ? interrupt_entry+0xb5/0xf0 [ 384.146537] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.151553] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.156584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.161433] ? trace_hardirqs_off+0x300/0x300 [ 384.165933] ? trace_hardirqs_off+0x300/0x300 [ 384.170436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.175978] ? check_preemption_disabled+0x48/0x200 [ 384.180995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.186545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.191432] apic_timer_interrupt+0xf/0x20 [ 384.195678] [ 384.197927] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.202865] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 384.221763] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 384.229477] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.236768] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 384.244036] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 384.251311] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.258589] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 384.265913] skb_clone+0x1bb/0x500 [ 384.269493] ? skb_split+0x11e0/0x11e0 [ 384.273396] ? preempt_notifier_register+0x200/0x200 [ 384.278510] ? __switch_to_asm+0x34/0x70 [ 384.282573] ? __switch_to_asm+0x34/0x70 [ 384.286634] ? __switch_to_asm+0x40/0x70 [ 384.290693] ? __switch_to_asm+0x34/0x70 [ 384.294756] ? __switch_to_asm+0x40/0x70 [ 384.298816] ? __switch_to_asm+0x40/0x70 [ 384.302874] ? __switch_to_asm+0x34/0x70 [ 384.306936] ? __switch_to_asm+0x34/0x70 [ 384.311000] ? __switch_to_asm+0x40/0x70 [ 384.315058] ? __switch_to_asm+0x34/0x70 [ 384.319131] bpf_clone_redirect+0xb9/0x490 [ 384.323382] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 384.328431] ? __sched_text_start+0x8/0x8 [ 384.332585] ? retint_kernel+0x2d/0x2d [ 384.336494] ? find_held_lock+0x36/0x1c0 [ 384.340566] ? lock_acquire+0x1ed/0x520 [ 384.344543] ? bpf_test_run+0x32e/0x5a0 [ 384.348531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.354072] ? check_preemption_disabled+0x48/0x200 [ 384.359096] ? kasan_check_read+0x11/0x20 [ 384.363249] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.368528] ? rcu_bh_qs+0xc0/0xc0 [ 384.372075] ? preempt_schedule+0x4d/0x60 [ 384.376234] ? ___preempt_schedule+0x16/0x18 [ 384.380652] ? bpf_test_run+0x1c0/0x5a0 [ 384.384640] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.389059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.394596] ? bpf_test_init.isra.9+0x70/0x100 [ 384.399187] ? bpf_prog_test_run_skb+0x634/0xb40 [ 384.403955] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.408797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.414332] ? fput+0x130/0x1a0 [ 384.417614] ? __bpf_prog_get+0x9b/0x290 [ 384.421679] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.426524] ? bpf_prog_test_run+0x130/0x1a0 [ 384.430942] ? __x64_sys_bpf+0x3d8/0x510 [ 384.435007] ? bpf_prog_get+0x20/0x20 [ 384.438840] ? do_syscall_64+0x1b9/0x820 [ 384.442910] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.448281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.453208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.458063] ? trace_hardirqs_off+0x300/0x300 [ 384.462579] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.467611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.473162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.478202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.483082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.488492] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 384.488625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.495260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.495267] Call Trace: [ 384.495294] dump_stack+0x1c4/0x2b4 [ 384.495315] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.501912] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.511170] warn_alloc.cold.118+0xb7/0x1bd [ 384.513722] syz-executor1 cpuset= [ 384.517347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.522517] syz1 [ 384.533002] ? lock_downgrade+0x900/0x900 [ 384.537306] mems_allowed=0 [ 384.540759] ? trace_hardirqs_off+0xb8/0x300 [ 384.559027] ? trace_hardirqs_off+0xb8/0x300 [ 384.563451] __alloc_pages_slowpath+0x2667/0x2d80 [ 384.568338] ? warn_alloc+0x120/0x120 [ 384.572153] ? warn_alloc+0x120/0x120 [ 384.575972] ? print_usage_bug+0xc0/0xc0 [ 384.580041] ? warn_alloc+0x120/0x120 [ 384.583845] ? print_usage_bug+0xc0/0xc0 [ 384.587923] ? __lock_acquire+0x7ec/0x4ec0 [ 384.592168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.597713] ? should_fail+0x22d/0xd01 [ 384.601612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.606809] ? __lock_acquire+0x7ec/0x4ec0 [ 384.611051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.616153] ? __lock_acquire+0x7ec/0x4ec0 [ 384.620388] ? should_fail+0x22d/0xd01 [ 384.624273] ? print_usage_bug+0xc0/0xc0 [ 384.628345] ? mark_held_locks+0x130/0x130 [ 384.632587] ? mark_held_locks+0x130/0x130 [ 384.636834] ? graph_lock+0x170/0x170 [ 384.640636] ? print_usage_bug+0xc0/0xc0 [ 384.644709] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.649475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.655015] ? check_preemption_disabled+0x48/0x200 [ 384.660028] ? check_preemption_disabled+0x48/0x200 [ 384.665056] ? __lock_is_held+0xb5/0x140 [ 384.669130] __alloc_pages_nodemask+0xa80/0xde0 [ 384.673805] ? graph_lock+0x170/0x170 [ 384.677611] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.682629] ? graph_lock+0x170/0x170 [ 384.686444] ? find_held_lock+0x36/0x1c0 [ 384.690524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.695201] ? lock_downgrade+0x900/0x900 [ 384.699364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.704920] cache_grow_begin+0x91/0x8c0 [ 384.708989] ? do_raw_spin_unlock+0xa7/0x2f0 [ 384.713409] fallback_alloc+0x203/0x2e0 [ 384.717398] ____cache_alloc_node+0x1c7/0x1e0 [ 384.721911] kmem_cache_alloc_node+0xe3/0x730 [ 384.726412] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.730663] __alloc_skb+0x119/0x770 [ 384.734382] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.739667] ? skb_scrub_packet+0x490/0x490 [ 384.743992] ? lock_downgrade+0x900/0x900 [ 384.748152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.753697] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.759158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.764612] ? addrconf_rs_timer+0x6f0/0x6f0 [ 384.769038] ndisc_alloc_skb+0x144/0x340 [ 384.773112] ndisc_send_rs+0x331/0x6e0 [ 384.777013] addrconf_rs_timer+0x3c0/0x6f0 [ 384.781257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.785507] call_timer_fn+0x272/0x920 [ 384.789400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.793639] ? process_timeout+0x40/0x40 [ 384.797700] ? find_held_lock+0x36/0x1c0 [ 384.801776] ? __run_timers+0x7da/0xc70 [ 384.805757] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.810253] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.814751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.818991] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 384.823581] ? trace_hardirqs_on+0xbd/0x310 [ 384.827911] ? kasan_check_read+0x11/0x20 [ 384.832061] ? __run_timers+0x7da/0xc70 [ 384.836045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.841513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.845762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.850011] __run_timers+0x7e5/0xc70 [ 384.853855] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 384.859235] ? compat_start_thread+0x80/0x80 [ 384.863658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.869209] ? _raw_spin_unlock_irq+0x60/0x80 [ 384.873711] ? finish_task_switch+0x1f5/0x900 [ 384.878204] ? finish_task_switch+0x1b5/0x900 [ 384.882701] ? __switch_to_asm+0x34/0x70 [ 384.886768] ? preempt_notifier_register+0x200/0x200 [ 384.891873] ? __switch_to_asm+0x34/0x70 [ 384.895940] ? __switch_to_asm+0x40/0x70 [ 384.900003] ? __switch_to_asm+0x34/0x70 [ 384.904064] ? __switch_to_asm+0x40/0x70 [ 384.908129] ? __switch_to_asm+0x34/0x70 [ 384.912192] ? __switch_to_asm+0x40/0x70 [ 384.916266] ? __switch_to_asm+0x40/0x70 [ 384.920365] ? pvclock_read_flags+0x160/0x160 [ 384.924899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.930447] ? check_preemption_disabled+0x48/0x200 [ 384.935482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.940770] ? rcu_pm_notify+0xc0/0xc0 [ 384.944662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.950202] ? check_preemption_disabled+0x48/0x200 [ 384.955249] run_timer_softirq+0x52/0xb0 [ 384.959322] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.964348] __do_softirq+0x30b/0xad8 [ 384.968169] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.973277] ? trace_hardirqs_off_caller+0x300/0x300 [ 384.978384] ? retint_kernel+0x1b/0x2d [ 384.982287] ? schedule+0x108/0x460 [ 384.985931] ? __schedule+0x1ed0/0x1ed0 [ 384.989926] ? trace_hardirqs_off+0xb8/0x300 [ 384.994365] ? ___might_sleep+0x1ed/0x300 [ 384.998519] ? smpboot_thread_fn+0x68b/0xa00 [ 385.002948] ? trace_hardirqs_on+0x310/0x310 [ 385.007365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.012912] ? check_preemption_disabled+0x48/0x200 [ 385.017935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.023480] ? takeover_tasklets+0xa90/0xa90 [ 385.027899] run_ksoftirqd+0x94/0x100 [ 385.031705] smpboot_thread_fn+0x68b/0xa00 [ 385.035948] ? sort_range+0x30/0x30 [ 385.039595] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.044715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.050274] ? __kthread_parkme+0xfb/0x1a0 [ 385.054519] kthread+0x35a/0x420 [ 385.057899] ? sort_range+0x30/0x30 [ 385.061532] ? kthread_bind+0x40/0x40 [ 385.065349] ret_from_fork+0x3a/0x50 [ 385.069083] warn_alloc_show_mem: 1 callbacks suppressed [ 385.069096] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 385.069098] Mem-Info: [ 385.069132] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 385.069132] active_file:18 inactive_file:31 isolated_file:0 [ 385.069132] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.069132] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 385.069132] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 385.069132] free:13670 free_pcp:352 free_cma:0 [ 385.074471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.074481] Call Trace: [ 385.081771] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.084175] [ 385.117257] Node 0 [ 385.126640] dump_stack+0x1c4/0x2b4 [ 385.129222] 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 [ 385.157160] ? dump_stack_print_info.cold.2+0x52/0x52 [ 385.159284] lowmem_reserve[]: [ 385.161538] warn_alloc.cold.118+0xb7/0x1bd [ 385.165135] 0 [ 385.190658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.195824] 2815 [ 385.198931] ? lock_downgrade+0x900/0x900 [ 385.203223] 6318 6318 [ 385.205044] ? trace_hardirqs_off+0xb8/0x300 [ 385.209858] Node 0 [ 385.211931] ? trace_hardirqs_off+0xb8/0x300 [ 385.216081] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 385.218562] __alloc_pages_slowpath+0x2667/0x2d80 [ 385.222934] lowmem_reserve[]: 0 [ 385.225206] ? warn_alloc+0x120/0x120 [ 385.229558] 0 3503 [ 385.256326] ? trace_hardirqs_on+0x310/0x310 [ 385.261144] 3503 [ 385.264422] ? warn_alloc+0x120/0x120 [ 385.268200] Node 0 [ 385.270441] ? print_usage_bug+0xc0/0xc0 [ 385.274849] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 385.276886] ? warn_alloc+0x120/0x120 [ 385.280665] lowmem_reserve[]: 0 [ 385.282929] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.286969] 0 [ 385.315612] ? print_usage_bug+0xc0/0xc0 [ 385.319383] 0 0 [ 385.322677] ? __lock_acquire+0x7ec/0x4ec0 [ 385.327673] Node 0 [ 385.329473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.333501] DMA: 1*4kB [ 385.335499] ? should_fail+0x22d/0xd01 [ 385.339690] (U) 0*8kB [ 385.341940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.347450] 0*16kB 1*32kB [ 385.350042] ? __lock_acquire+0x7ec/0x4ec0 [ 385.353912] (U) [ 385.356416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.361493] 2*64kB (U) [ 385.364347] ? __lock_acquire+0x7ec/0x4ec0 [ 385.368556] 1*128kB (U) [ 385.370547] ? should_fail+0x22d/0xd01 [ 385.375634] 1*256kB [ 385.378213] ? print_usage_bug+0xc0/0xc0 [ 385.382417] (U) 0*512kB [ 385.385101] ? mark_held_locks+0x130/0x130 [ 385.388953] 1*1024kB (U) [ 385.391290] ? mark_held_locks+0x130/0x130 [ 385.395325] 1*2048kB (M) [ 385.398019] ? graph_lock+0x170/0x170 [ 385.402223] 3*4096kB [ 385.404986] ? print_usage_bug+0xc0/0xc0 [ 385.409198] (M) [ 385.411957] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.415726] = 15908kB [ 385.415735] Node 0 [ 385.418144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.422172] DMA32: 4*4kB [ 385.424155] ? check_preemption_disabled+0x48/0x200 [ 385.428888] (UM) [ 385.431294] ? check_preemption_disabled+0x48/0x200 [ 385.433512] 1*8kB [ 385.439049] ? __lock_is_held+0xb5/0x140 [ 385.441775] (M) [ 385.446792] __alloc_pages_nodemask+0xa80/0xde0 [ 385.448821] 3*16kB (M) [ 385.453838] ? graph_lock+0x170/0x170 [ 385.455970] 3*32kB [ 385.460025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.461979] (M) [ 385.466646] ? graph_lock+0x170/0x170 [ 385.469207] 1*64kB (M) [ 385.473033] ? find_held_lock+0x36/0x1c0 [ 385.475241] 3*128kB (UM) [ 385.480274] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.482221] 3*256kB [ 385.486019] ? lock_downgrade+0x900/0x900 [ 385.488579] (UM) [ 385.492641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.495376] 4*512kB [ 385.500049] cache_grow_begin+0x91/0x8c0 [ 385.502338] (UM) 3*1024kB [ 385.506500] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.508530] (M) [ 385.514067] fallback_alloc+0x203/0x2e0 [ 385.516372] 3*2048kB [ 385.520437] ____cache_alloc_node+0x1c7/0x1e0 [ 385.523254] (M) 3*4096kB [ 385.527684] kmem_cache_alloc_node+0xe3/0x730 [ 385.529630] (M) [ 385.533607] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.535995] = 24936kB [ 385.540503] __alloc_skb+0x119/0x770 [ 385.543233] Node 0 [ 385.547727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.549672] Normal: 1267*4kB [ 385.553915] ? skb_scrub_packet+0x490/0x490 [ 385.556305] (UMEH) [ 385.560017] ? lock_downgrade+0x900/0x900 [ 385.562222] 430*8kB (UMEH) [ 385.567518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.570587] 212*16kB (UMEH) [ 385.574921] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.577132] 35*32kB [ 385.581277] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.584186] (MH) [ 385.589721] ? addrconf_rs_timer+0x6f0/0x6f0 [ 385.592708] 9*64kB (MH) [ 385.598177] ndisc_alloc_skb+0x144/0x340 [ 385.600471] 1*128kB [ 385.605928] ndisc_send_rs+0x331/0x6e0 [ 385.607969] (H) [ 385.612378] addrconf_rs_timer+0x3c0/0x6f0 [ 385.615017] 1*256kB (H) [ 385.619085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.621388] 0*512kB 0*1024kB 0*2048kB [ 385.625301] call_timer_fn+0x272/0x920 [ 385.627243] 0*4096kB = 13980kB [ 385.631483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.634142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.638367] ? process_timeout+0x40/0x40 [ 385.642238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.646119] ? find_held_lock+0x36/0x1c0 [ 385.649289] 4516 total pagecache pages [ 385.653530] ? __run_timers+0x7da/0xc70 [ 385.662345] 0 pages in swap cache [ 385.666404] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.674955] Swap cache stats: add 0, delete 0, find 0/0 [ 385.679009] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.682877] Free swap = 0kB [ 385.686855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.690282] Total swap = 0kB [ 385.694774] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 385.700114] 1965979 pages RAM [ 385.704609] ? trace_hardirqs_on+0xbd/0x310 [ 385.707605] 0 pages HighMem/MovableOnly [ 385.711834] ? kasan_check_read+0x11/0x20 [ 385.714829] 343324 pages reserved [ 385.719414] ? __run_timers+0x7da/0xc70 [ 385.722486] 0 pages cma reserved [ 385.722597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.726830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.730946] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.734932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.738361] ksoftirqd/0 cpuset= [ 385.742358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.745696] / [ 385.752197] __run_timers+0x7e5/0xc70 [ 385.757625] mems_allowed=0 [ 385.767944] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.794119] ? check_preemption_disabled+0x48/0x200 [ 385.799144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.804712] ? rcu_irq_exit+0xce/0x100 [ 385.808615] ? irq_exit+0xbd/0x1c0 [ 385.812162] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 385.817194] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.821960] ? retint_kernel+0x2d/0x2d [ 385.825852] ? trace_hardirqs_on_caller+0xc0/0x300 [ 385.830809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.835569] ? trace_hardirqs_off_caller+0x300/0x300 [ 385.840681] ? graph_lock+0x170/0x170 [ 385.844506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.850049] ? check_preemption_disabled+0x48/0x200 [ 385.855091] ? __lock_is_held+0xb5/0x140 [ 385.859155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.864697] ? check_preemption_disabled+0x48/0x200 [ 385.869812] run_timer_softirq+0x52/0xb0 [ 385.873875] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.878897] __do_softirq+0x30b/0xad8 [ 385.882716] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.887828] ? pvclock_read_flags+0x160/0x160 [ 385.892324] ? lapic_next_event+0x5a/0x90 [ 385.896472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.902016] ? check_preemption_disabled+0x48/0x200 [ 385.907038] ? check_preemption_disabled+0x48/0x200 [ 385.912066] ? kvm_clock_read+0x18/0x30 [ 385.916041] ? kvm_sched_clock_read+0x9/0x20 [ 385.920476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.926021] ? check_preemption_disabled+0x48/0x200 [ 385.931062] irq_exit+0x17f/0x1c0 [ 385.934531] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.939374] ? smp_reschedule_interrupt+0x109/0x650 [ 385.944409] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.950294] ? interrupt_entry+0xb5/0xf0 [ 385.954358] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.959381] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.964415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.969260] ? trace_hardirqs_off+0x300/0x300 [ 385.973756] ? trace_hardirqs_off+0x300/0x300 [ 385.978252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.983792] ? check_preemption_disabled+0x48/0x200 [ 385.988807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.994362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.999464] apic_timer_interrupt+0xf/0x20 [ 386.003696] [ 386.005941] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.010880] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 386.029809] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 386.037536] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.044811] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 386.052079] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 386.059346] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.066617] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 386.073952] skb_clone+0x1bb/0x500 [ 386.077506] ? skb_split+0x11e0/0x11e0 [ 386.081407] ? preempt_notifier_register+0x200/0x200 [ 386.086518] ? __switch_to_asm+0x34/0x70 [ 386.090581] ? __switch_to_asm+0x34/0x70 [ 386.094643] ? __switch_to_asm+0x40/0x70 [ 386.098714] ? __switch_to_asm+0x34/0x70 [ 386.102774] ? __switch_to_asm+0x40/0x70 [ 386.107362] ? __switch_to_asm+0x40/0x70 [ 386.111428] ? __switch_to_asm+0x34/0x70 [ 386.115497] ? __switch_to_asm+0x34/0x70 [ 386.119560] ? __switch_to_asm+0x40/0x70 [ 386.123621] ? __switch_to_asm+0x34/0x70 [ 386.127703] bpf_clone_redirect+0xb9/0x490 [ 386.131956] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 386.136987] ? __sched_text_start+0x8/0x8 [ 386.141168] ? retint_kernel+0x2d/0x2d [ 386.145081] ? find_held_lock+0x36/0x1c0 [ 386.149158] ? lock_acquire+0x1ed/0x520 [ 386.153141] ? bpf_test_run+0x32e/0x5a0 [ 386.157127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.162704] ? check_preemption_disabled+0x48/0x200 [ 386.167737] ? kasan_check_read+0x11/0x20 [ 386.171895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.177175] ? rcu_bh_qs+0xc0/0xc0 [ 386.180726] ? preempt_schedule+0x4d/0x60 [ 386.184886] ? ___preempt_schedule+0x16/0x18 [ 386.189311] ? bpf_test_run+0x1c0/0x5a0 [ 386.193297] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.197714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.203252] ? bpf_test_init.isra.9+0x70/0x100 [ 386.207839] ? bpf_prog_test_run_skb+0x634/0xb40 [ 386.212609] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.217456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.222997] ? fput+0x130/0x1a0 [ 386.226280] ? __bpf_prog_get+0x9b/0x290 [ 386.230347] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.235189] ? bpf_prog_test_run+0x130/0x1a0 [ 386.239601] ? __x64_sys_bpf+0x3d8/0x510 [ 386.243666] ? bpf_prog_get+0x20/0x20 [ 386.247496] ? do_syscall_64+0x1b9/0x820 [ 386.251577] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.256954] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.261893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.266745] ? trace_hardirqs_off+0x300/0x300 [ 386.271242] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 386.276261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.281798] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.286822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.291677] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.297064] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 386.297171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.303827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.303833] Call Trace: [ 386.303859] dump_stack+0x1c4/0x2b4 [ 386.303881] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.310499] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.319730] warn_alloc.cold.118+0xb7/0x1bd [ 386.322286] syz-executor1 cpuset= [ 386.325919] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.331091] syz1 [ 386.341576] ? lock_downgrade+0x900/0x900 [ 386.345880] mems_allowed=0 [ 386.349365] ? trace_hardirqs_off+0xb8/0x300 [ 386.367650] ? trace_hardirqs_off+0xb8/0x300 [ 386.372086] __alloc_pages_slowpath+0x2667/0x2d80 [ 386.376960] ? mark_held_locks+0x130/0x130 [ 386.381208] ? warn_alloc+0x120/0x120 [ 386.385023] ? warn_alloc+0x120/0x120 [ 386.388836] ? print_usage_bug+0xc0/0xc0 [ 386.392908] ? warn_alloc+0x120/0x120 [ 386.396711] ? print_usage_bug+0xc0/0xc0 [ 386.400769] ? find_held_lock+0x36/0x1c0 [ 386.404848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.410398] ? should_fail+0x22d/0xd01 [ 386.414294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.419401] ? __lock_acquire+0x7ec/0x4ec0 [ 386.423644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.428745] ? __lock_acquire+0x7ec/0x4ec0 [ 386.432983] ? should_fail+0x22d/0xd01 [ 386.436886] ? mark_held_locks+0x130/0x130 [ 386.441160] ? mark_held_locks+0x130/0x130 [ 386.445420] ? __account_cfs_rq_runtime+0x790/0x790 [ 386.450456] ? select_task_rq_fair+0x754/0x34f0 [ 386.455149] ? lock_downgrade+0x900/0x900 [ 386.459310] ? check_preemption_disabled+0x48/0x200 [ 386.464336] ? graph_lock+0x170/0x170 [ 386.468142] ? print_usage_bug+0xc0/0xc0 [ 386.472214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.477758] ? check_preemption_disabled+0x48/0x200 [ 386.482783] ? check_preemption_disabled+0x48/0x200 [ 386.487818] ? __lock_is_held+0xb5/0x140 [ 386.491900] __alloc_pages_nodemask+0xa80/0xde0 [ 386.496577] ? graph_lock+0x170/0x170 [ 386.500385] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.505399] ? graph_lock+0x170/0x170 [ 386.509217] ? find_held_lock+0x36/0x1c0 [ 386.513500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.518179] ? lock_downgrade+0x900/0x900 [ 386.522346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.527909] cache_grow_begin+0x91/0x8c0 [ 386.531985] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.536407] fallback_alloc+0x203/0x2e0 [ 386.540393] ____cache_alloc_node+0x1c7/0x1e0 [ 386.544902] kmem_cache_alloc_node+0xe3/0x730 [ 386.549401] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.553651] __alloc_skb+0x119/0x770 [ 386.557373] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.562655] ? skb_scrub_packet+0x490/0x490 [ 386.566980] ? lock_downgrade+0x900/0x900 [ 386.571146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.576699] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.582161] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.587640] ? addrconf_rs_timer+0x6f0/0x6f0 [ 386.592076] ndisc_alloc_skb+0x144/0x340 [ 386.596173] ndisc_send_rs+0x331/0x6e0 [ 386.600074] addrconf_rs_timer+0x3c0/0x6f0 [ 386.604329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.608587] call_timer_fn+0x272/0x920 [ 386.612480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.616731] ? process_timeout+0x40/0x40 [ 386.620797] ? find_held_lock+0x36/0x1c0 [ 386.624867] ? __run_timers+0x7da/0xc70 [ 386.628854] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.633355] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.637856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.642097] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 386.646683] ? trace_hardirqs_on+0xbd/0x310 [ 386.651006] ? kasan_check_read+0x11/0x20 [ 386.655160] ? __run_timers+0x7da/0xc70 [ 386.659140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.664605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.668844] __run_timers+0x7e5/0xc70 [ 386.672661] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.678034] ? compat_start_thread+0x80/0x80 [ 386.682459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.688025] ? _raw_spin_unlock_irq+0x60/0x80 [ 386.692544] ? finish_task_switch+0x1f5/0x900 [ 386.697065] ? finish_task_switch+0x1b5/0x900 [ 386.701581] ? __switch_to_asm+0x34/0x70 [ 386.705656] ? preempt_notifier_register+0x200/0x200 [ 386.710763] ? __switch_to_asm+0x34/0x70 [ 386.714825] ? __switch_to_asm+0x40/0x70 [ 386.718885] ? __switch_to_asm+0x34/0x70 [ 386.722957] ? __switch_to_asm+0x40/0x70 [ 386.727022] ? __switch_to_asm+0x34/0x70 [ 386.731088] ? __switch_to_asm+0x40/0x70 [ 386.735152] ? __switch_to_asm+0x40/0x70 [ 386.739229] ? pvclock_read_flags+0x160/0x160 [ 386.743733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.749294] ? check_preemption_disabled+0x48/0x200 [ 386.754328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.759609] ? rcu_pm_notify+0xc0/0xc0 [ 386.763510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.769055] ? check_preemption_disabled+0x48/0x200 [ 386.774083] run_timer_softirq+0x52/0xb0 [ 386.778148] ? rcu_read_lock_sched_held+0x108/0x120 [ 386.783176] __do_softirq+0x30b/0xad8 [ 386.786998] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.792105] ? trace_hardirqs_off_caller+0x300/0x300 [ 386.797213] ? retint_kernel+0x1b/0x2d [ 386.801117] ? schedule+0x108/0x460 [ 386.804752] ? __schedule+0x1ed0/0x1ed0 [ 386.808740] ? trace_hardirqs_off+0xb8/0x300 [ 386.813153] ? ___might_sleep+0x1ed/0x300 [ 386.817300] ? smpboot_thread_fn+0x68b/0xa00 [ 386.821711] ? trace_hardirqs_on+0x310/0x310 [ 386.826125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.831665] ? check_preemption_disabled+0x48/0x200 [ 386.836680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.842225] ? takeover_tasklets+0xa90/0xa90 [ 386.846639] run_ksoftirqd+0x94/0x100 [ 386.850447] smpboot_thread_fn+0x68b/0xa00 [ 386.854685] ? sort_range+0x30/0x30 [ 386.858317] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.863449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.868991] ? __kthread_parkme+0xfb/0x1a0 [ 386.873235] kthread+0x35a/0x420 [ 386.876603] ? sort_range+0x30/0x30 [ 386.880243] ? kthread_bind+0x40/0x40 [ 386.884074] ret_from_fork+0x3a/0x50 [ 386.887811] warn_alloc_show_mem: 1 callbacks suppressed [ 386.887824] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 386.887827] Mem-Info: [ 386.887862] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 386.887862] active_file:18 inactive_file:31 isolated_file:0 [ 386.887862] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.887862] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 386.887862] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 386.887862] free:13670 free_pcp:352 free_cma:0 [ 386.893217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.900550] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.902954] Call Trace: [ 386.936019] Node 0 [ 386.945369] [ 386.973336] 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 [ 386.975910] dump_stack+0x1c4/0x2b4 [ 386.978117] lowmem_reserve[]: [ 386.980276] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.005759] 0 [ 387.009407] warn_alloc.cold.118+0xb7/0x1bd [ 387.012468] 2815 [ 387.017655] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.019433] 6318 [ 387.023756] ? lock_downgrade+0x900/0x900 [ 387.025795] 6318 [ 387.030645] ? trace_hardirqs_off+0xb8/0x300 [ 387.036837] ? trace_hardirqs_off+0xb8/0x300 [ 387.038899] Node 0 [ 387.043321] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.047731] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 387.049979] ? warn_alloc+0x120/0x120 [ 387.054769] lowmem_reserve[]: 0 [ 387.081492] ? trace_hardirqs_on+0x310/0x310 [ 387.085271] 0 3503 [ 387.088556] ? warn_alloc+0x120/0x120 [ 387.092939] 3503 [ 387.095173] ? print_usage_bug+0xc0/0xc0 [ 387.101009] ? warn_alloc+0x120/0x120 [ 387.105047] Node 0 [ 387.108859] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.108904] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 387.111100] ? print_usage_bug+0xc0/0xc0 [ 387.116093] lowmem_reserve[]: [ 387.144727] ? __lock_acquire+0x7ec/0x4ec0 [ 387.148775] 0 [ 387.151883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.156101] 0 [ 387.157906] ? should_fail+0x22d/0xd01 [ 387.163423] 0 [ 387.165221] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.169086] 0 [ 387.170888] ? __lock_acquire+0x7ec/0x4ec0 [ 387.177781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.181990] Node 0 [ 387.187083] ? __lock_acquire+0x7ec/0x4ec0 [ 387.187094] DMA: [ 387.189321] ? should_fail+0x22d/0xd01 [ 387.193535] 1*4kB [ 387.195614] ? mark_held_locks+0x130/0x130 [ 387.199470] (U) [ 387.201616] ? mark_held_locks+0x130/0x130 [ 387.205822] 0*8kB 0*16kB [ 387.207823] ? graph_lock+0x170/0x170 [ 387.212035] 1*32kB [ 387.214790] ? print_usage_bug+0xc0/0xc0 [ 387.218567] (U) [ 387.220810] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.224839] 2*64kB (U) [ 387.226828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.231561] 1*128kB [ 387.234143] ? check_preemption_disabled+0x48/0x200 [ 387.239655] (U) [ 387.241973] ? check_preemption_disabled+0x48/0x200 [ 387.246964] 1*256kB (U) [ 387.248952] ? __lock_is_held+0xb5/0x140 [ 387.253939] 0*512kB [ 387.256617] __alloc_pages_nodemask+0xa80/0xde0 [ 387.260653] 1*1024kB [ 387.262971] ? graph_lock+0x170/0x170 [ 387.267618] (U) [ 387.270025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.273800] 1*2048kB (M) [ 387.275780] ? graph_lock+0x170/0x170 [ 387.280774] 3*4096kB [ 387.283534] ? find_held_lock+0x36/0x1c0 [ 387.287305] (M) [ 387.289724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.293743] = 15908kB [ 387.293752] Node 0 [ 387.295727] ? lock_downgrade+0x900/0x900 [ 387.300368] DMA32: 4*4kB [ 387.302810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.305017] (UM) [ 387.309175] cache_grow_begin+0x91/0x8c0 [ 387.311930] 1*8kB (M) [ 387.317474] ? do_raw_spin_unlock+0xa7/0x2f0 [ 387.319515] 3*16kB (M) [ 387.323603] fallback_alloc+0x203/0x2e0 [ 387.326074] 3*32kB [ 387.330482] ____cache_alloc_node+0x1c7/0x1e0 [ 387.333043] (M) 1*64kB [ 387.337028] kmem_cache_alloc_node+0xe3/0x730 [ 387.339242] (M) [ 387.343738] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.346299] 3*128kB [ 387.350807] __alloc_skb+0x119/0x770 [ 387.352764] (UM) [ 387.357001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.359295] 3*256kB [ 387.363014] ? skb_scrub_packet+0x490/0x490 [ 387.365066] (UM) [ 387.370341] ? lock_downgrade+0x900/0x900 [ 387.372642] 4*512kB [ 387.376962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.378995] (UM) [ 387.383170] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.385470] 3*1024kB [ 387.391004] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.393036] (M) 3*2048kB [ 387.398493] ? addrconf_rs_timer+0x6f0/0x6f0 [ 387.400882] (M) [ 387.406338] ndisc_alloc_skb+0x144/0x340 [ 387.409064] 3*4096kB [ 387.413507] ndisc_send_rs+0x331/0x6e0 [ 387.415469] (M) [ 387.419536] addrconf_rs_timer+0x3c0/0x6f0 [ 387.421937] = 24936kB [ 387.425824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.427777] Node 0 [ 387.432017] call_timer_fn+0x272/0x920 [ 387.434414] Normal: [ 387.438645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.440865] 1267*4kB [ 387.444750] ? process_timeout+0x40/0x40 [ 387.447048] (UMEH) [ 387.451282] ? find_held_lock+0x36/0x1c0 [ 387.453671] 430*8kB [ 387.457730] ? __run_timers+0x7da/0xc70 [ 387.459944] (UMEH) [ 387.464004] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.466307] 212*16kB [ 387.470274] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.472508] (UMEH) [ 387.477000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.479389] 35*32kB [ 387.483883] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 387.486103] (MH) [ 387.490335] ? trace_hardirqs_on+0xbd/0x310 [ 387.492634] 9*64kB [ 387.497210] ? kasan_check_read+0x11/0x20 [ 387.499253] (MH) [ 387.503584] ? __run_timers+0x7da/0xc70 [ 387.505795] 1*128kB [ 387.509937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.511978] (H) [ 387.515963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.518296] 1*256kB [ 387.523741] __run_timers+0x7e5/0xc70 [ 387.525698] (H) [ 387.529937] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 387.532231] 0*512kB [ 387.536031] ? check_preemption_disabled+0x48/0x200 [ 387.537983] 0*1024kB [ 387.543363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.545661] 0*2048kB [ 387.550674] ? rcu_irq_exit+0xce/0x100 [ 387.553057] 0*4096kB [ 387.558593] ? irq_exit+0xbd/0x1c0 [ 387.560978] = 13980kB [ 387.564863] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.567272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.570805] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.573196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.578211] ? retint_kernel+0x2d/0x2d [ 387.587037] 4516 total pagecache pages [ 387.591789] ? trace_hardirqs_on_caller+0xc0/0x300 [ 387.600358] 0 pages in swap cache [ 387.604246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.608114] Swap cache stats: add 0, delete 0, find 0/0 [ 387.613034] ? trace_hardirqs_off_caller+0x300/0x300 [ 387.616495] Free swap = 0kB [ 387.621236] ? graph_lock+0x170/0x170 [ 387.626578] Total swap = 0kB [ 387.631678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.634683] 1965979 pages RAM [ 387.638478] ? check_preemption_disabled+0x48/0x200 [ 387.641474] 0 pages HighMem/MovableOnly [ 387.641483] 343324 pages reserved [ 387.647026] ? __lock_is_held+0xb5/0x140 [ 387.650102] 0 pages cma reserved [ 387.655117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.659160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.662516] ? check_preemption_disabled+0x48/0x200 [ 387.666628] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.669926] run_timer_softirq+0x52/0xb0 [ 387.675445] ksoftirqd/0 cpuset= [ 387.681932] ? rcu_read_lock_sched_held+0x108/0x120 [ 387.686926] / [ 387.697239] __do_softirq+0x30b/0xad8 [ 387.701292] mems_allowed=0 [ 387.704570] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 387.723063] ? pvclock_read_flags+0x160/0x160 [ 387.727560] ? lapic_next_event+0x5a/0x90 [ 387.731745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.737304] ? check_preemption_disabled+0x48/0x200 [ 387.742334] ? check_preemption_disabled+0x48/0x200 [ 387.747358] ? kvm_clock_read+0x18/0x30 [ 387.751335] ? kvm_sched_clock_read+0x9/0x20 [ 387.755758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.761296] ? check_preemption_disabled+0x48/0x200 [ 387.766325] irq_exit+0x17f/0x1c0 [ 387.769785] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.774630] ? smp_reschedule_interrupt+0x109/0x650 [ 387.779653] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.785543] ? interrupt_entry+0xb5/0xf0 [ 387.789609] ? trace_hardirqs_off_caller+0xbb/0x300 [ 387.794624] ? trace_hardirqs_off_caller+0xbb/0x300 [ 387.799661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.804507] ? trace_hardirqs_off+0x300/0x300 [ 387.809005] ? trace_hardirqs_off+0x300/0x300 [ 387.813518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.819068] ? check_preemption_disabled+0x48/0x200 [ 387.824083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.829629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.834481] apic_timer_interrupt+0xf/0x20 [ 387.838740] [ 387.840983] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.845917] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 387.864830] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 387.872539] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.879806] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 387.887078] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 387.894352] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.901618] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 387.908939] skb_clone+0x1bb/0x500 [ 387.912485] ? skb_split+0x11e0/0x11e0 [ 387.916383] ? preempt_notifier_register+0x200/0x200 [ 387.921499] ? __switch_to_asm+0x34/0x70 [ 387.925562] ? __switch_to_asm+0x34/0x70 [ 387.929622] ? __switch_to_asm+0x40/0x70 [ 387.933684] ? __switch_to_asm+0x34/0x70 [ 387.937761] ? __switch_to_asm+0x40/0x70 [ 387.941825] ? __switch_to_asm+0x40/0x70 [ 387.945891] ? __switch_to_asm+0x34/0x70 [ 387.949952] ? __switch_to_asm+0x34/0x70 [ 387.954012] ? __switch_to_asm+0x40/0x70 [ 387.958076] ? __switch_to_asm+0x34/0x70 [ 387.962148] bpf_clone_redirect+0xb9/0x490 [ 387.966404] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 387.971456] ? __sched_text_start+0x8/0x8 [ 387.975608] ? retint_kernel+0x2d/0x2d [ 387.979506] ? find_held_lock+0x36/0x1c0 [ 387.983577] ? lock_acquire+0x1ed/0x520 [ 387.987552] ? bpf_test_run+0x32e/0x5a0 [ 387.991537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.997078] ? check_preemption_disabled+0x48/0x200 [ 388.002347] ? kasan_check_read+0x11/0x20 [ 388.006500] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.011781] ? rcu_bh_qs+0xc0/0xc0 [ 388.015327] ? preempt_schedule+0x4d/0x60 [ 388.019483] ? ___preempt_schedule+0x16/0x18 [ 388.023901] ? bpf_test_run+0x1c0/0x5a0 [ 388.027887] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.032305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.037867] ? bpf_test_init.isra.9+0x70/0x100 [ 388.042456] ? bpf_prog_test_run_skb+0x634/0xb40 [ 388.047225] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.052091] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.057641] ? fput+0x130/0x1a0 [ 388.060924] ? __bpf_prog_get+0x9b/0x290 [ 388.064987] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.069829] ? bpf_prog_test_run+0x130/0x1a0 [ 388.074255] ? __x64_sys_bpf+0x3d8/0x510 [ 388.078321] ? bpf_prog_get+0x20/0x20 [ 388.082148] ? do_syscall_64+0x1b9/0x820 [ 388.086215] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.091594] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.096530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.101387] ? trace_hardirqs_off+0x300/0x300 [ 388.106423] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.111441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.116981] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.122008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.126861] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.132247] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 388.132415] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.139003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.139012] Call Trace: [ 388.145627] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.154877] dump_stack+0x1c4/0x2b4 [ 388.157440] syz-executor1 cpuset= [ 388.167924] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.171530] syz1 [ 388.174987] warn_alloc.cold.118+0xb7/0x1bd [ 388.180435] mems_allowed=0 [ 388.182415] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.194474] ? lock_downgrade+0x900/0x900 [ 388.198637] ? trace_hardirqs_off+0xb8/0x300 [ 388.203052] ? trace_hardirqs_off+0xb8/0x300 [ 388.207470] __alloc_pages_slowpath+0x2667/0x2d80 [ 388.212349] ? mark_held_locks+0x130/0x130 [ 388.216591] ? warn_alloc+0x120/0x120 [ 388.220401] ? warn_alloc+0x120/0x120 [ 388.224204] ? print_usage_bug+0xc0/0xc0 [ 388.228297] ? warn_alloc+0x120/0x120 [ 388.232099] ? print_usage_bug+0xc0/0xc0 [ 388.236170] ? __lock_acquire+0x7ec/0x4ec0 [ 388.240408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.245964] ? should_fail+0x22d/0xd01 [ 388.249878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.254987] ? __lock_acquire+0x7ec/0x4ec0 [ 388.259231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.264345] ? __lock_acquire+0x7ec/0x4ec0 [ 388.268587] ? should_fail+0x22d/0xd01 [ 388.272510] ? mark_held_locks+0x130/0x130 [ 388.276750] ? mark_held_locks+0x130/0x130 [ 388.280986] ? graph_lock+0x170/0x170 [ 388.284790] ? graph_lock+0x170/0x170 [ 388.288595] ? graph_lock+0x170/0x170 [ 388.292398] ? print_usage_bug+0xc0/0xc0 [ 388.296461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.301998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.307550] ? check_preemption_disabled+0x48/0x200 [ 388.312565] ? check_preemption_disabled+0x48/0x200 [ 388.317592] ? __lock_is_held+0xb5/0x140 [ 388.321665] __alloc_pages_nodemask+0xa80/0xde0 [ 388.326335] ? graph_lock+0x170/0x170 [ 388.330147] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 388.335159] ? graph_lock+0x170/0x170 [ 388.338971] ? find_held_lock+0x36/0x1c0 [ 388.343048] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.347716] ? lock_downgrade+0x900/0x900 [ 388.351887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.357438] cache_grow_begin+0x91/0x8c0 [ 388.361500] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.365926] fallback_alloc+0x203/0x2e0 [ 388.369916] ____cache_alloc_node+0x1c7/0x1e0 [ 388.374417] kmem_cache_alloc_node+0xe3/0x730 [ 388.378958] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.383202] __alloc_skb+0x119/0x770 [ 388.386923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.392209] ? skb_scrub_packet+0x490/0x490 [ 388.396530] ? lock_downgrade+0x900/0x900 [ 388.400711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.406253] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.411707] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.417186] ? addrconf_rs_timer+0x6f0/0x6f0 [ 388.421610] ndisc_alloc_skb+0x144/0x340 [ 388.425713] ndisc_send_rs+0x331/0x6e0 [ 388.429614] addrconf_rs_timer+0x3c0/0x6f0 [ 388.433883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.438143] call_timer_fn+0x272/0x920 [ 388.442031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.446271] ? process_timeout+0x40/0x40 [ 388.450342] ? find_held_lock+0x36/0x1c0 [ 388.454425] ? __run_timers+0x7da/0xc70 [ 388.458417] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.462914] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.467408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.471671] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 388.476259] ? trace_hardirqs_on+0xbd/0x310 [ 388.480583] ? kasan_check_read+0x11/0x20 [ 388.484730] ? __run_timers+0x7da/0xc70 [ 388.488709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.494167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.498408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.502657] __run_timers+0x7e5/0xc70 [ 388.506475] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.511929] ? compat_start_thread+0x80/0x80 [ 388.516346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.521897] ? _raw_spin_unlock_irq+0x60/0x80 [ 388.526399] ? finish_task_switch+0x1f5/0x900 [ 388.530903] ? finish_task_switch+0x1b5/0x900 [ 388.535396] ? __switch_to_asm+0x34/0x70 [ 388.539477] ? preempt_notifier_register+0x200/0x200 [ 388.544583] ? __switch_to_asm+0x34/0x70 [ 388.548642] ? __switch_to_asm+0x40/0x70 [ 388.552706] ? __switch_to_asm+0x34/0x70 [ 388.556763] ? __switch_to_asm+0x40/0x70 [ 388.560825] ? __switch_to_asm+0x34/0x70 [ 388.564885] ? __switch_to_asm+0x40/0x70 [ 388.568959] ? __switch_to_asm+0x40/0x70 [ 388.573032] ? pvclock_read_flags+0x160/0x160 [ 388.577529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.583066] ? check_preemption_disabled+0x48/0x200 [ 388.588097] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.593376] ? rcu_pm_notify+0xc0/0xc0 [ 388.597265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.602803] ? check_preemption_disabled+0x48/0x200 [ 388.607828] run_timer_softirq+0x52/0xb0 [ 388.611890] ? rcu_read_lock_sched_held+0x108/0x120 [ 388.616917] __do_softirq+0x30b/0xad8 [ 388.620735] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.625856] ? trace_hardirqs_off_caller+0x300/0x300 [ 388.630955] ? retint_kernel+0x1b/0x2d [ 388.634864] ? schedule+0x108/0x460 [ 388.638498] ? __schedule+0x1ed0/0x1ed0 [ 388.642477] ? trace_hardirqs_off+0xb8/0x300 [ 388.646914] ? ___might_sleep+0x1ed/0x300 [ 388.651062] ? smpboot_thread_fn+0x68b/0xa00 [ 388.655470] ? trace_hardirqs_on+0x310/0x310 [ 388.659879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.665424] ? check_preemption_disabled+0x48/0x200 [ 388.670438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.675985] ? takeover_tasklets+0xa90/0xa90 [ 388.680395] run_ksoftirqd+0x94/0x100 [ 388.684196] smpboot_thread_fn+0x68b/0xa00 [ 388.688436] ? sort_range+0x30/0x30 [ 388.692063] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.697180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.702721] ? __kthread_parkme+0xfb/0x1a0 [ 388.706963] kthread+0x35a/0x420 [ 388.710341] ? sort_range+0x30/0x30 [ 388.713971] ? kthread_bind+0x40/0x40 [ 388.717776] ret_from_fork+0x3a/0x50 [ 388.721521] warn_alloc_show_mem: 1 callbacks suppressed [ 388.721534] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 388.721536] Mem-Info: [ 388.721571] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 388.721571] active_file:18 inactive_file:31 isolated_file:0 [ 388.721571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.721571] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 388.721571] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 388.721571] free:13670 free_pcp:352 free_cma:0 [ 388.726902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.726924] Call Trace: [ 388.734220] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.736619] [ 388.769655] Node 0 [ 388.779005] dump_stack+0x1c4/0x2b4 [ 388.781591] 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 [ 388.809511] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.811632] lowmem_reserve[]: [ 388.813879] warn_alloc.cold.118+0xb7/0x1bd [ 388.817472] 0 [ 388.842977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.848156] 2815 [ 388.851273] ? lock_downgrade+0x900/0x900 [ 388.855572] 6318 [ 388.857374] ? trace_hardirqs_off+0xb8/0x300 [ 388.862191] 6318 [ 388.864258] ? trace_hardirqs_off+0xb8/0x300 [ 388.870449] __alloc_pages_slowpath+0x2667/0x2d80 [ 388.874841] Node 0 [ 388.876925] ? warn_alloc+0x120/0x120 [ 388.881313] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 388.886141] ? trace_hardirqs_on+0x310/0x310 [ 388.888346] lowmem_reserve[]: 0 [ 388.892154] ? warn_alloc+0x120/0x120 [ 388.918879] 0 [ 388.923309] ? print_usage_bug+0xc0/0xc0 [ 388.926552] 3503 3503 [ 388.930359] ? warn_alloc+0x120/0x120 [ 388.936199] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.938670] Node 0 [ 388.942466] ? print_usage_bug+0xc0/0xc0 [ 388.947481] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 388.949691] ? __lock_acquire+0x7ec/0x4ec0 [ 388.953724] lowmem_reserve[]: 0 [ 388.982363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.986585] 0 [ 388.989879] ? should_fail+0x22d/0xd01 [ 388.995387] 0 [ 388.997218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.001095] 0 [ 389.002915] ? __lock_acquire+0x7ec/0x4ec0 [ 389.007994] Node 0 [ 389.009792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.014000] DMA: 1*4kB [ 389.016248] ? __lock_acquire+0x7ec/0x4ec0 [ 389.021330] (U) [ 389.023915] ? should_fail+0x22d/0xd01 [ 389.028128] 0*8kB [ 389.030098] ? print_usage_bug+0xc0/0xc0 [ 389.033964] 0*16kB [ 389.036128] ? mark_held_locks+0x130/0x130 [ 389.040160] 1*32kB [ 389.042399] ? mark_held_locks+0x130/0x130 [ 389.046607] (U) [ 389.048858] ? graph_lock+0x170/0x170 [ 389.053059] 2*64kB (U) [ 389.055043] ? print_usage_bug+0xc0/0xc0 [ 389.058820] 1*128kB [ 389.061411] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.065455] (U) [ 389.067777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.072510] 1*256kB [ 389.074483] ? check_preemption_disabled+0x48/0x200 [ 389.079995] (U) [ 389.082318] ? check_preemption_disabled+0x48/0x200 [ 389.087313] 0*512kB [ 389.089294] ? __lock_is_held+0xb5/0x140 [ 389.094276] 1*1024kB (U) [ 389.096612] __alloc_pages_nodemask+0xa80/0xde0 [ 389.100649] 1*2048kB [ 389.103406] ? graph_lock+0x170/0x170 [ 389.108052] (M) [ 389.110462] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.114241] 3*4096kB [ 389.116210] ? graph_lock+0x170/0x170 [ 389.121201] (M) [ 389.123616] ? find_held_lock+0x36/0x1c0 [ 389.127389] = 15908kB [ 389.129373] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.133396] Node 0 DMA32: [ 389.135810] ? lock_downgrade+0x900/0x900 [ 389.140459] 4*4kB [ 389.143478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.147603] (UM) [ 389.149753] cache_grow_begin+0x91/0x8c0 [ 389.155266] 1*8kB [ 389.157341] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.161389] (M) [ 389.163545] fallback_alloc+0x203/0x2e0 [ 389.167927] 3*16kB [ 389.169907] ____cache_alloc_node+0x1c7/0x1e0 [ 389.173857] (M) 3*32kB [ 389.176107] kmem_cache_alloc_node+0xe3/0x730 [ 389.180576] (M) [ 389.183161] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.187622] 1*64kB (M) [ 389.189630] __alloc_skb+0x119/0x770 [ 389.193839] 3*128kB (UM) [ 389.196435] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.200118] 3*256kB [ 389.202937] ? skb_scrub_packet+0x490/0x490 [ 389.208190] (UM) [ 389.210516] ? lock_downgrade+0x900/0x900 [ 389.214814] 4*512kB [ 389.216875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.220995] (UM) [ 389.223318] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.228825] 3*1024kB (M) [ 389.230897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.236324] 3*2048kB (M) [ 389.239089] ? addrconf_rs_timer+0x6f0/0x6f0 [ 389.244522] 3*4096kB [ 389.247287] ndisc_alloc_skb+0x144/0x340 [ 389.251658] (M) [ 389.254064] ndisc_send_rs+0x331/0x6e0 [ 389.258102] = 24936kB [ 389.260074] addrconf_rs_timer+0x3c0/0x6f0 [ 389.263940] Node 0 [ 389.266352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.270580] Normal: 1267*4kB [ 389.272859] call_timer_fn+0x272/0x920 [ 389.277058] (UMEH) [ 389.280161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.284030] 430*8kB [ 389.286277] ? process_timeout+0x40/0x40 [ 389.290493] (UMEH) 212*16kB (UMEH) [ 389.292839] ? find_held_lock+0x36/0x1c0 [ 389.296880] 35*32kB [ 389.300512] ? __run_timers+0x7da/0xc70 [ 389.304542] (MH) [ 389.306869] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.310820] 9*64kB [ 389.312879] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.317354] (MH) [ 389.319582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.319598] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.324071] 1*128kB (H) [ 389.326169] ? trace_hardirqs_on+0xbd/0x310 [ 389.330372] 1*256kB (H) [ 389.334969] ? kasan_check_read+0x11/0x20 [ 389.337626] 0*512kB [ 389.341945] ? __run_timers+0x7da/0xc70 [ 389.344591] 0*1024kB 0*2048kB [ 389.348745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.351050] 0*4096kB [ 389.355018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.358188] = 13980kB [ 389.363649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.366044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.370268] __run_timers+0x7e5/0xc70 [ 389.372662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.376895] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.385703] 4516 total pagecache pages [ 389.389517] ? check_preemption_disabled+0x48/0x200 [ 389.398079] 0 pages in swap cache [ 389.403434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.407295] Swap cache stats: add 0, delete 0, find 0/0 [ 389.412318] ? rcu_irq_exit+0xce/0x100 [ 389.415766] Free swap = 0kB [ 389.421317] ? irq_exit+0xbd/0x1c0 [ 389.426654] Total swap = 0kB [ 389.430541] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.433551] 1965979 pages RAM [ 389.437092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.440077] 0 pages HighMem/MovableOnly [ 389.440087] 343324 pages reserved [ 389.445101] ? retint_kernel+0x2d/0x2d [ 389.448186] 0 pages cma reserved [ 389.452944] ? trace_hardirqs_on_caller+0xc0/0x300 [ 389.457024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.460337] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.460353] ? trace_hardirqs_off_caller+0x300/0x300 [ 389.460370] ? graph_lock+0x170/0x170 [ 389.464337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.467618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.472522] ksoftirqd/0 cpuset= [ 389.479013] ? check_preemption_disabled+0x48/0x200 [ 389.483740] / [ 389.488861] ? __lock_is_held+0xb5/0x140 [ 389.492635] mems_allowed=0 [ 389.502957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.530942] ? check_preemption_disabled+0x48/0x200 [ 389.535969] run_timer_softirq+0x52/0xb0 [ 389.540038] ? rcu_read_lock_sched_held+0x108/0x120 [ 389.545065] __do_softirq+0x30b/0xad8 [ 389.548884] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 389.553996] ? pvclock_read_flags+0x160/0x160 [ 389.558509] ? lapic_next_event+0x5a/0x90 [ 389.562661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.568204] ? check_preemption_disabled+0x48/0x200 [ 389.573223] ? check_preemption_disabled+0x48/0x200 [ 389.578248] ? kvm_clock_read+0x18/0x30 [ 389.582219] ? kvm_sched_clock_read+0x9/0x20 [ 389.586632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.592174] ? check_preemption_disabled+0x48/0x200 [ 389.597223] irq_exit+0x17f/0x1c0 [ 389.600684] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.605534] ? smp_reschedule_interrupt+0x109/0x650 [ 389.610557] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.616455] ? interrupt_entry+0xb5/0xf0 [ 389.620528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 389.625553] ? trace_hardirqs_off_caller+0xbb/0x300 [ 389.630573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.635417] ? trace_hardirqs_off+0x300/0x300 [ 389.639911] ? trace_hardirqs_off+0x300/0x300 [ 389.644413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.649955] ? check_preemption_disabled+0x48/0x200 [ 389.654974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.660525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.665432] apic_timer_interrupt+0xf/0x20 [ 389.669662] [ 389.671907] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 389.676845] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 389.695745] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 389.703458] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 389.710734] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 389.718003] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 389.725275] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 389.732588] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 389.739921] skb_clone+0x1bb/0x500 [ 389.743467] ? skb_split+0x11e0/0x11e0 [ 389.747372] ? preempt_notifier_register+0x200/0x200 [ 389.752485] ? __switch_to_asm+0x34/0x70 [ 389.756554] ? __switch_to_asm+0x34/0x70 [ 389.760615] ? __switch_to_asm+0x40/0x70 [ 389.764672] ? __switch_to_asm+0x34/0x70 [ 389.768728] ? __switch_to_asm+0x40/0x70 [ 389.772786] ? __switch_to_asm+0x40/0x70 [ 389.776846] ? __switch_to_asm+0x34/0x70 [ 389.780912] ? __switch_to_asm+0x34/0x70 [ 389.784972] ? __switch_to_asm+0x40/0x70 [ 389.789032] ? __switch_to_asm+0x34/0x70 [ 389.793108] bpf_clone_redirect+0xb9/0x490 [ 389.797364] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 389.802399] ? __sched_text_start+0x8/0x8 [ 389.806550] ? retint_kernel+0x2d/0x2d [ 389.810471] ? find_held_lock+0x36/0x1c0 [ 389.814574] ? lock_acquire+0x1ed/0x520 [ 389.818555] ? bpf_test_run+0x32e/0x5a0 [ 389.822533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.828071] ? check_preemption_disabled+0x48/0x200 [ 389.833093] ? kasan_check_read+0x11/0x20 [ 389.837247] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.842538] ? rcu_bh_qs+0xc0/0xc0 [ 389.846098] ? preempt_schedule+0x4d/0x60 [ 389.850253] ? ___preempt_schedule+0x16/0x18 [ 389.854673] ? bpf_test_run+0x1c0/0x5a0 [ 389.858664] ? netlink_diag_dump+0x2a0/0x2a0 [ 389.863082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.868620] ? bpf_test_init.isra.9+0x70/0x100 [ 389.873217] ? bpf_prog_test_run_skb+0x634/0xb40 [ 389.877980] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 389.882821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.888360] ? fput+0x130/0x1a0 [ 389.891648] ? __bpf_prog_get+0x9b/0x290 [ 389.895717] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 389.900560] ? bpf_prog_test_run+0x130/0x1a0 [ 389.904988] ? __x64_sys_bpf+0x3d8/0x510 [ 389.909053] ? bpf_prog_get+0x20/0x20 [ 389.912878] ? do_syscall_64+0x1b9/0x820 [ 389.916943] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.922310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.927252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.932111] ? trace_hardirqs_off+0x300/0x300 [ 389.936615] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.941657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.947192] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.952215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.957067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.962466] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 389.962596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.969229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.969235] Call Trace: [ 389.969257] dump_stack+0x1c4/0x2b4 [ 389.969280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.975839] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.985126] warn_alloc.cold.118+0xb7/0x1bd [ 389.987709] syz-executor1 cpuset= [ 389.991330] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.996516] syz1 [ 390.007528] ? lock_downgrade+0x900/0x900 [ 390.011834] mems_allowed=0 [ 390.015285] ? trace_hardirqs_off+0xb8/0x300 [ 390.033517] ? trace_hardirqs_off+0xb8/0x300 [ 390.037944] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.042815] ? mark_held_locks+0x130/0x130 [ 390.047111] ? warn_alloc+0x120/0x120 [ 390.050923] ? warn_alloc+0x120/0x120 [ 390.054729] ? print_usage_bug+0xc0/0xc0 [ 390.058797] ? warn_alloc+0x120/0x120 [ 390.062602] ? print_usage_bug+0xc0/0xc0 [ 390.066679] ? __lock_acquire+0x7ec/0x4ec0 [ 390.070925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.076481] ? should_fail+0x22d/0xd01 [ 390.080373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.085476] ? __lock_acquire+0x7ec/0x4ec0 [ 390.089720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.094825] ? __lock_acquire+0x7ec/0x4ec0 [ 390.099059] ? should_fail+0x22d/0xd01 [ 390.102971] ? mark_held_locks+0x130/0x130 [ 390.107476] ? mark_held_locks+0x130/0x130 [ 390.111717] ? graph_lock+0x170/0x170 [ 390.115534] ? graph_lock+0x170/0x170 [ 390.119356] ? graph_lock+0x170/0x170 [ 390.123158] ? print_usage_bug+0xc0/0xc0 [ 390.127246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.132798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.138349] ? check_preemption_disabled+0x48/0x200 [ 390.143367] ? check_preemption_disabled+0x48/0x200 [ 390.148398] ? __lock_is_held+0xb5/0x140 [ 390.152466] __alloc_pages_nodemask+0xa80/0xde0 [ 390.157136] ? graph_lock+0x170/0x170 [ 390.160943] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.165955] ? graph_lock+0x170/0x170 [ 390.169768] ? find_held_lock+0x36/0x1c0 [ 390.173849] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.178521] ? lock_downgrade+0x900/0x900 [ 390.182682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.188227] cache_grow_begin+0x91/0x8c0 [ 390.192296] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.196713] fallback_alloc+0x203/0x2e0 [ 390.200695] ____cache_alloc_node+0x1c7/0x1e0 [ 390.205196] kmem_cache_alloc_node+0xe3/0x730 [ 390.209695] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.213944] __alloc_skb+0x119/0x770 [ 390.217661] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.222943] ? skb_scrub_packet+0x490/0x490 [ 390.227283] ? lock_downgrade+0x900/0x900 [ 390.231434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.236972] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.242431] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.247888] ? addrconf_rs_timer+0x6f0/0x6f0 [ 390.252323] ndisc_alloc_skb+0x144/0x340 [ 390.256398] ndisc_send_rs+0x331/0x6e0 [ 390.260306] addrconf_rs_timer+0x3c0/0x6f0 [ 390.264563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.268831] call_timer_fn+0x272/0x920 [ 390.272718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.276957] ? process_timeout+0x40/0x40 [ 390.281019] ? find_held_lock+0x36/0x1c0 [ 390.285092] ? __run_timers+0x7da/0xc70 [ 390.289070] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.293563] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.298059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.302310] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.306902] ? trace_hardirqs_on+0xbd/0x310 [ 390.311234] ? kasan_check_read+0x11/0x20 [ 390.315379] ? __run_timers+0x7da/0xc70 [ 390.319365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.324824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.329087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.333324] __run_timers+0x7e5/0xc70 [ 390.337186] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.342555] ? compat_start_thread+0x80/0x80 [ 390.346973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.352518] ? _raw_spin_unlock_irq+0x60/0x80 [ 390.357018] ? finish_task_switch+0x1f5/0x900 [ 390.361512] ? finish_task_switch+0x1b5/0x900 [ 390.366019] ? __switch_to_asm+0x34/0x70 [ 390.370083] ? preempt_notifier_register+0x200/0x200 [ 390.375186] ? __switch_to_asm+0x34/0x70 [ 390.379244] ? __switch_to_asm+0x40/0x70 [ 390.383302] ? __switch_to_asm+0x34/0x70 [ 390.387357] ? __switch_to_asm+0x40/0x70 [ 390.391414] ? __switch_to_asm+0x34/0x70 [ 390.395476] ? __switch_to_asm+0x40/0x70 [ 390.399539] ? __switch_to_asm+0x40/0x70 [ 390.403611] ? pvclock_read_flags+0x160/0x160 [ 390.408108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.413655] ? check_preemption_disabled+0x48/0x200 [ 390.418683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.423961] ? rcu_pm_notify+0xc0/0xc0 [ 390.427865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.433411] ? check_preemption_disabled+0x48/0x200 [ 390.438435] run_timer_softirq+0x52/0xb0 [ 390.442511] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.447535] __do_softirq+0x30b/0xad8 [ 390.451346] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.456448] ? trace_hardirqs_off_caller+0x300/0x300 [ 390.461560] ? retint_kernel+0x1b/0x2d [ 390.465469] ? schedule+0x108/0x460 [ 390.469101] ? __schedule+0x1ed0/0x1ed0 [ 390.473087] ? trace_hardirqs_off+0xb8/0x300 [ 390.477509] ? ___might_sleep+0x1ed/0x300 [ 390.481661] ? smpboot_thread_fn+0x68b/0xa00 [ 390.486072] ? trace_hardirqs_on+0x310/0x310 [ 390.490496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.496034] ? check_preemption_disabled+0x48/0x200 [ 390.501047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.506592] ? takeover_tasklets+0xa90/0xa90 [ 390.511008] run_ksoftirqd+0x94/0x100 [ 390.514814] smpboot_thread_fn+0x68b/0xa00 [ 390.519055] ? sort_range+0x30/0x30 [ 390.522685] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.527789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.533332] ? __kthread_parkme+0xfb/0x1a0 [ 390.537586] kthread+0x35a/0x420 [ 390.540962] ? sort_range+0x30/0x30 [ 390.544598] ? kthread_bind+0x40/0x40 [ 390.548439] ret_from_fork+0x3a/0x50 [ 390.552167] warn_alloc_show_mem: 1 callbacks suppressed [ 390.552180] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 390.552182] Mem-Info: [ 390.552217] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 390.552217] active_file:18 inactive_file:31 isolated_file:0 [ 390.552217] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.552217] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 390.552217] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 390.552217] free:13670 free_pcp:352 free_cma:0 [ 390.557566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.557574] Call Trace: [ 390.564860] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.567261] [ 390.600315] Node 0 [ 390.609684] dump_stack+0x1c4/0x2b4 [ 390.612266] 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 [ 390.640260] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.642399] lowmem_reserve[]: [ 390.644646] warn_alloc.cold.118+0xb7/0x1bd [ 390.648240] 0 [ 390.673740] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.678910] 2815 [ 390.682044] ? lock_downgrade+0x900/0x900 [ 390.686331] 6318 6318 [ 390.688154] ? trace_hardirqs_off+0xb8/0x300 [ 390.695027] ? trace_hardirqs_off+0xb8/0x300 [ 390.699152] Node 0 [ 390.701651] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.706055] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 390.710475] ? warn_alloc+0x120/0x120 [ 390.712662] lowmem_reserve[]: 0 [ 390.717519] ? warn_alloc+0x120/0x120 [ 390.744210] 0 3503 [ 390.748027] ? print_usage_bug+0xc0/0xc0 [ 390.751267] 3503 [ 390.755071] ? warn_alloc+0x120/0x120 [ 390.757284] Node 0 [ 390.761336] ? print_usage_bug+0xc0/0xc0 [ 390.763399] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 390.767175] ? __lock_acquire+0x7ec/0x4ec0 [ 390.769384] lowmem_reserve[]: 0 [ 390.773459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.802055] 0 0 [ 390.806308] ? should_fail+0x22d/0xd01 [ 390.809548] 0 [ 390.815099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.817051] Node 0 [ 390.820937] ? __lock_acquire+0x7ec/0x4ec0 [ 390.822710] DMA: 1*4kB [ 390.827819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.830048] (U) [ 390.834287] ? __lock_acquire+0x7ec/0x4ec0 [ 390.836851] 0*8kB [ 390.841947] ? should_fail+0x22d/0xd01 [ 390.843902] 0*16kB [ 390.848149] ? mark_held_locks+0x130/0x130 [ 390.850282] 1*32kB [ 390.854164] ? mark_held_locks+0x130/0x130 [ 390.856401] (U) 2*64kB [ 390.860638] ? graph_lock+0x170/0x170 [ 390.862855] (U) [ 390.867081] ? graph_lock+0x170/0x170 [ 390.869643] 1*128kB [ 390.873436] ? graph_lock+0x170/0x170 [ 390.875390] (U) [ 390.879192] ? print_usage_bug+0xc0/0xc0 [ 390.881488] 1*256kB (U) [ 390.885308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.887257] 0*512kB [ 390.891310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.893961] 1*1024kB [ 390.899502] ? check_preemption_disabled+0x48/0x200 [ 390.901796] (U) [ 390.907327] ? check_preemption_disabled+0x48/0x200 [ 390.909711] 1*2048kB (M) [ 390.914740] ? __lock_is_held+0xb5/0x140 [ 390.916695] 3*4096kB [ 390.921706] __alloc_pages_nodemask+0xa80/0xde0 [ 390.924438] (M) [ 390.928504] ? graph_lock+0x170/0x170 [ 390.930900] = 15908kB [ 390.930910] Node 0 [ 390.935581] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.937532] DMA32: [ 390.941337] ? graph_lock+0x170/0x170 [ 390.943725] 4*4kB [ 390.945963] ? find_held_lock+0x36/0x1c0 [ 390.950947] (UM) [ 390.953191] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.956963] 1*8kB [ 390.959111] ? lock_downgrade+0x900/0x900 [ 390.963148] (M) [ 390.965212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.969858] 3*16kB (M) [ 390.972017] cache_grow_begin+0x91/0x8c0 [ 390.976140] 3*32kB [ 390.978115] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.983638] (M) [ 390.986269] fallback_alloc+0x203/0x2e0 [ 390.990300] 1*64kB [ 390.992550] ____cache_alloc_node+0x1c7/0x1e0 [ 390.996925] (M) 3*128kB [ 390.998918] kmem_cache_alloc_node+0xe3/0x730 [ 391.002866] (UM) [ 391.005103] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.009570] 3*256kB [ 391.012246] __alloc_skb+0x119/0x770 [ 391.016731] (UM) [ 391.018794] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.023001] 4*512kB [ 391.025317] ? skb_scrub_packet+0x490/0x490 [ 391.029007] (UM) [ 391.031067] ? lock_downgrade+0x900/0x900 [ 391.036315] 3*1024kB (M) [ 391.038646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.042933] 3*2048kB (M) [ 391.045006] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.049120] 3*4096kB (M) [ 391.051885] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.057408] = 24936kB [ 391.060163] ? addrconf_rs_timer+0x6f0/0x6f0 [ 391.065583] Node 0 [ 391.068343] ndisc_alloc_skb+0x144/0x340 [ 391.073757] Normal: [ 391.076169] ndisc_send_rs+0x331/0x6e0 [ 391.080555] 1267*4kB [ 391.082793] addrconf_rs_timer+0x3c0/0x6f0 [ 391.086829] (UMEH) [ 391.089152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.093018] 430*8kB [ 391.095437] call_timer_fn+0x272/0x920 [ 391.099637] (UMEH) [ 391.101874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.106084] 212*16kB (UMEH) [ 391.108433] ? process_timeout+0x40/0x40 [ 391.112287] 35*32kB (MH) [ 391.114531] ? find_held_lock+0x36/0x1c0 [ 391.118743] 9*64kB [ 391.121763] ? __run_timers+0x7da/0xc70 [ 391.125795] (MH) [ 391.128552] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.132599] 1*128kB [ 391.134831] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.138781] (H) [ 391.140840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.145313] 1*256kB [ 391.147631] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 391.152097] (H) [ 391.154071] ? trace_hardirqs_on+0xbd/0x310 [ 391.158281] 0*512kB [ 391.160599] ? kasan_check_read+0x11/0x20 [ 391.165157] 0*1024kB [ 391.167135] ? __run_timers+0x7da/0xc70 [ 391.171428] 0*2048kB [ 391.173752] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.177874] 0*4096kB [ 391.180285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.184228] = 13980kB [ 391.184243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.186648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.192079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.194483] __run_timers+0x7e5/0xc70 [ 391.198696] 4516 total pagecache pages [ 391.201122] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.209934] 0 pages in swap cache [ 391.214160] ? check_preemption_disabled+0x48/0x200 [ 391.222717] Swap cache stats: add 0, delete 0, find 0/0 [ 391.226522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.230381] Free swap = 0kB [ 391.235751] ? rcu_irq_exit+0xce/0x100 [ 391.239171] Total swap = 0kB [ 391.239181] 1965979 pages RAM [ 391.244209] ? irq_exit+0xbd/0x1c0 [ 391.249545] 0 pages HighMem/MovableOnly [ 391.255081] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 391.258074] 343324 pages reserved [ 391.261960] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.264977] 0 pages cma reserved [ 391.268077] ? retint_kernel+0x2d/0x2d [ 391.271716] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.275592] ? trace_hardirqs_on_caller+0xc0/0x300 [ 391.280709] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.284053] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.288791] ksoftirqd/0 cpuset= [ 391.292156] ? trace_hardirqs_off_caller+0x300/0x300 [ 391.296020] / [ 391.302515] ? graph_lock+0x170/0x170 [ 391.307418] mems_allowed=0 [ 391.317725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.344748] ? check_preemption_disabled+0x48/0x200 [ 391.349782] ? __lock_is_held+0xb5/0x140 [ 391.353851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.359398] ? check_preemption_disabled+0x48/0x200 [ 391.364431] run_timer_softirq+0x52/0xb0 [ 391.368506] ? rcu_read_lock_sched_held+0x108/0x120 [ 391.373530] __do_softirq+0x30b/0xad8 [ 391.377343] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 391.382458] ? pvclock_read_flags+0x160/0x160 [ 391.386962] ? lapic_next_event+0x5a/0x90 [ 391.391118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.396655] ? check_preemption_disabled+0x48/0x200 [ 391.401679] ? check_preemption_disabled+0x48/0x200 [ 391.406701] ? kvm_clock_read+0x18/0x30 [ 391.410676] ? kvm_sched_clock_read+0x9/0x20 [ 391.415098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.420636] ? check_preemption_disabled+0x48/0x200 [ 391.425668] irq_exit+0x17f/0x1c0 [ 391.429146] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.433990] ? smp_reschedule_interrupt+0x109/0x650 [ 391.439021] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.444910] ? interrupt_entry+0xb5/0xf0 [ 391.448981] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.453999] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.459020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.463873] ? trace_hardirqs_off+0x300/0x300 [ 391.468368] ? trace_hardirqs_off+0x300/0x300 [ 391.472872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.478418] ? check_preemption_disabled+0x48/0x200 [ 391.483446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.489024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.493899] apic_timer_interrupt+0xf/0x20 [ 391.498131] [ 391.500378] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.505316] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 391.524216] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 391.531939] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.539205] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 391.546517] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 391.553785] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.561054] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 391.568389] skb_clone+0x1bb/0x500 [ 391.571945] ? skb_split+0x11e0/0x11e0 [ 391.575852] ? preempt_notifier_register+0x200/0x200 [ 391.580960] ? __switch_to_asm+0x34/0x70 [ 391.585020] ? __switch_to_asm+0x34/0x70 [ 391.589081] ? __switch_to_asm+0x40/0x70 [ 391.593142] ? __switch_to_asm+0x34/0x70 [ 391.597199] ? __switch_to_asm+0x40/0x70 [ 391.601276] ? __switch_to_asm+0x40/0x70 [ 391.605332] ? __switch_to_asm+0x34/0x70 [ 391.609402] ? __switch_to_asm+0x34/0x70 [ 391.613461] ? __switch_to_asm+0x40/0x70 [ 391.617540] ? __switch_to_asm+0x34/0x70 [ 391.621610] bpf_clone_redirect+0xb9/0x490 [ 391.625855] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 391.630879] ? __sched_text_start+0x8/0x8 [ 391.635030] ? retint_kernel+0x2d/0x2d [ 391.638929] ? find_held_lock+0x36/0x1c0 [ 391.643011] ? lock_acquire+0x1ed/0x520 [ 391.646985] ? bpf_test_run+0x32e/0x5a0 [ 391.650965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.656539] ? check_preemption_disabled+0x48/0x200 [ 391.661563] ? kasan_check_read+0x11/0x20 [ 391.665720] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.671000] ? rcu_bh_qs+0xc0/0xc0 [ 391.674546] ? preempt_schedule+0x4d/0x60 [ 391.678698] ? ___preempt_schedule+0x16/0x18 [ 391.683115] ? bpf_test_run+0x1c0/0x5a0 [ 391.687100] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.691520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.697060] ? bpf_test_init.isra.9+0x70/0x100 [ 391.701668] ? bpf_prog_test_run_skb+0x634/0xb40 [ 391.706470] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.711355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.716924] ? fput+0x130/0x1a0 [ 391.720216] ? __bpf_prog_get+0x9b/0x290 [ 391.724289] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.729136] ? bpf_prog_test_run+0x130/0x1a0 [ 391.733557] ? __x64_sys_bpf+0x3d8/0x510 [ 391.737637] ? bpf_prog_get+0x20/0x20 [ 391.741462] ? do_syscall_64+0x1b9/0x820 [ 391.745538] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.750911] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.755846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.760700] ? trace_hardirqs_off+0x300/0x300 [ 391.765207] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.770237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.775782] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.780813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.785678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.791068] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 391.791162] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.797834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.797844] Call Trace: [ 391.804503] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.813700] dump_stack+0x1c4/0x2b4 [ 391.816260] syz-executor1 cpuset= [ 391.826743] ? dump_stack_print_info.cold.2+0x52/0x52 [ 391.830348] syz1 [ 391.833811] warn_alloc.cold.118+0xb7/0x1bd [ 391.838975] mems_allowed=0 [ 391.840951] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.853012] ? lock_downgrade+0x900/0x900 [ 391.857172] ? trace_hardirqs_off+0xb8/0x300 [ 391.861591] ? trace_hardirqs_off+0xb8/0x300 [ 391.866013] __alloc_pages_slowpath+0x2667/0x2d80 [ 391.870885] ? mark_held_locks+0x130/0x130 [ 391.875135] ? warn_alloc+0x120/0x120 [ 391.878947] ? warn_alloc+0x120/0x120 [ 391.882754] ? print_usage_bug+0xc0/0xc0 [ 391.886820] ? warn_alloc+0x120/0x120 [ 391.890624] ? print_usage_bug+0xc0/0xc0 [ 391.894700] ? __lock_acquire+0x7ec/0x4ec0 [ 391.898939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.904484] ? should_fail+0x22d/0xd01 [ 391.908383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.913492] ? __lock_acquire+0x7ec/0x4ec0 [ 391.917733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.922837] ? __lock_acquire+0x7ec/0x4ec0 [ 391.927070] ? should_fail+0x22d/0xd01 [ 391.930954] ? print_usage_bug+0xc0/0xc0 [ 391.935027] ? mark_held_locks+0x130/0x130 [ 391.939268] ? mark_held_locks+0x130/0x130 [ 391.943524] ? graph_lock+0x170/0x170 [ 391.947323] ? print_usage_bug+0xc0/0xc0 [ 391.951382] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.956150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.961688] ? check_preemption_disabled+0x48/0x200 [ 391.966704] ? check_preemption_disabled+0x48/0x200 [ 391.971732] ? __lock_is_held+0xb5/0x140 [ 391.975804] __alloc_pages_nodemask+0xa80/0xde0 [ 391.980475] ? graph_lock+0x170/0x170 [ 391.984280] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.989296] ? graph_lock+0x170/0x170 [ 391.993123] ? find_held_lock+0x36/0x1c0 [ 391.997211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.002408] ? lock_downgrade+0x900/0x900 [ 392.006568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.012116] cache_grow_begin+0x91/0x8c0 [ 392.016191] ? do_raw_spin_unlock+0xa7/0x2f0 [ 392.020610] fallback_alloc+0x203/0x2e0 [ 392.024598] ____cache_alloc_node+0x1c7/0x1e0 [ 392.029102] kmem_cache_alloc_node+0xe3/0x730 [ 392.033623] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.037876] __alloc_skb+0x119/0x770 [ 392.041614] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.046906] ? skb_scrub_packet+0x490/0x490 [ 392.051237] ? lock_downgrade+0x900/0x900 [ 392.055416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.060971] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.066441] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.071913] ? addrconf_rs_timer+0x6f0/0x6f0 [ 392.076349] ndisc_alloc_skb+0x144/0x340 [ 392.080417] ndisc_send_rs+0x331/0x6e0 [ 392.084326] addrconf_rs_timer+0x3c0/0x6f0 [ 392.088573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.092827] call_timer_fn+0x272/0x920 [ 392.096719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.100956] ? process_timeout+0x40/0x40 [ 392.105140] ? find_held_lock+0x36/0x1c0 [ 392.109218] ? __run_timers+0x7da/0xc70 [ 392.113197] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.117698] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.122196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.126429] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.131028] ? trace_hardirqs_on+0xbd/0x310 [ 392.135347] ? kasan_check_read+0x11/0x20 [ 392.139512] ? __run_timers+0x7da/0xc70 [ 392.143503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.148968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.153225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.157460] __run_timers+0x7e5/0xc70 [ 392.161282] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 392.166647] ? compat_start_thread+0x80/0x80 [ 392.171062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.176611] ? _raw_spin_unlock_irq+0x60/0x80 [ 392.181113] ? finish_task_switch+0x1f5/0x900 [ 392.185624] ? finish_task_switch+0x1b5/0x900 [ 392.190131] ? __switch_to_asm+0x34/0x70 [ 392.194196] ? preempt_notifier_register+0x200/0x200 [ 392.199302] ? __switch_to_asm+0x34/0x70 [ 392.203377] ? __switch_to_asm+0x40/0x70 [ 392.207434] ? __switch_to_asm+0x34/0x70 [ 392.211503] ? __switch_to_asm+0x40/0x70 [ 392.215582] ? __switch_to_asm+0x34/0x70 [ 392.219640] ? __switch_to_asm+0x40/0x70 [ 392.223705] ? __switch_to_asm+0x40/0x70 [ 392.227777] ? pvclock_read_flags+0x160/0x160 [ 392.232276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.237811] ? check_preemption_disabled+0x48/0x200 [ 392.242838] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.248118] ? rcu_pm_notify+0xc0/0xc0 [ 392.252007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.257543] ? check_preemption_disabled+0x48/0x200 [ 392.262571] run_timer_softirq+0x52/0xb0 [ 392.266637] ? rcu_read_lock_sched_held+0x108/0x120 [ 392.271655] __do_softirq+0x30b/0xad8 [ 392.275472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.280603] ? trace_hardirqs_off_caller+0x300/0x300 [ 392.285704] ? retint_kernel+0x1b/0x2d [ 392.289600] ? schedule+0x108/0x460 [ 392.293229] ? __schedule+0x1ed0/0x1ed0 [ 392.297210] ? trace_hardirqs_off+0xb8/0x300 [ 392.301622] ? ___might_sleep+0x1ed/0x300 [ 392.305765] ? smpboot_thread_fn+0x68b/0xa00 [ 392.310174] ? trace_hardirqs_on+0x310/0x310 [ 392.314600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.320139] ? check_preemption_disabled+0x48/0x200 [ 392.325151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.330694] ? takeover_tasklets+0xa90/0xa90 [ 392.335111] run_ksoftirqd+0x94/0x100 [ 392.338918] smpboot_thread_fn+0x68b/0xa00 [ 392.343159] ? sort_range+0x30/0x30 [ 392.346793] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.351915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.357455] ? __kthread_parkme+0xfb/0x1a0 [ 392.361705] kthread+0x35a/0x420 [ 392.365071] ? sort_range+0x30/0x30 [ 392.368697] ? kthread_bind+0x40/0x40 [ 392.372510] ret_from_fork+0x3a/0x50 [ 392.376252] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 392.376259] warn_alloc_show_mem: 1 callbacks suppressed [ 392.376266] Mem-Info: [ 392.383590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.388963] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 392.388963] active_file:18 inactive_file:31 isolated_file:0 [ 392.388963] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.388963] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 392.388963] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 392.388963] free:13670 free_pcp:352 free_cma:0 [ 392.391334] Call Trace: [ 392.400723] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.433768] [ 392.436342] Node 0 [ 392.464276] dump_stack+0x1c4/0x2b4 [ 392.466432] 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 [ 392.468659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.472262] lowmem_reserve[]: [ 392.497774] warn_alloc.cold.118+0xb7/0x1bd [ 392.502925] 0 [ 392.506031] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.510330] 2815 [ 392.512134] ? lock_downgrade+0x900/0x900 [ 392.516949] 6318 [ 392.519020] ? trace_hardirqs_off+0xb8/0x300 [ 392.523143] 6318 [ 392.525211] ? trace_hardirqs_off+0xb8/0x300 [ 392.529608] Node 0 [ 392.531671] __alloc_pages_slowpath+0x2667/0x2d80 [ 392.536074] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.538310] ? warn_alloc+0x120/0x120 [ 392.543093] lowmem_reserve[]: 0 [ 392.569833] ? trace_hardirqs_on+0x310/0x310 [ 392.573602] 0 [ 392.576877] ? warn_alloc+0x120/0x120 [ 392.581265] 3503 [ 392.583068] ? print_usage_bug+0xc0/0xc0 [ 392.586834] 3503 [ 392.588901] ? warn_alloc+0x120/0x120 [ 392.592949] Node 0 [ 392.595012] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.598812] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 392.601032] ? print_usage_bug+0xc0/0xc0 [ 392.606022] lowmem_reserve[]: [ 392.634646] ? __lock_acquire+0x7ec/0x4ec0 [ 392.638681] 0 [ 392.641784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.645990] 0 [ 392.647820] ? should_fail+0x22d/0xd01 [ 392.653328] 0 [ 392.655129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.658993] 0 [ 392.660806] ? __lock_acquire+0x7ec/0x4ec0 [ 392.667686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.671902] Node 0 [ 392.676988] ? __lock_acquire+0x7ec/0x4ec0 [ 392.676999] DMA: [ 392.679232] ? should_fail+0x22d/0xd01 [ 392.683448] 1*4kB [ 392.685517] ? print_usage_bug+0xc0/0xc0 [ 392.685541] ? mark_held_locks+0x130/0x130 [ 392.689406] (U) [ 392.691563] ? mark_held_locks+0x130/0x130 [ 392.695601] 0*8kB [ 392.699838] ? graph_lock+0x170/0x170 [ 392.701787] 0*16kB [ 392.706015] ? print_usage_bug+0xc0/0xc0 [ 392.708143] 1*32kB [ 392.711945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 392.714152] (U) [ 392.718225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.720433] 2*64kB [ 392.725209] ? check_preemption_disabled+0x48/0x200 [ 392.727165] (U) [ 392.732710] ? check_preemption_disabled+0x48/0x200 [ 392.734926] 1*128kB [ 392.739944] ? __lock_is_held+0xb5/0x140 [ 392.741887] (U) 1*256kB [ 392.746943] __alloc_pages_nodemask+0xa80/0xde0 [ 392.749240] (U) [ 392.753297] ? graph_lock+0x170/0x170 [ 392.755946] 0*512kB [ 392.760608] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.762564] 1*1024kB [ 392.766359] ? graph_lock+0x170/0x170 [ 392.768658] (U) [ 392.773672] ? find_held_lock+0x36/0x1c0 [ 392.776057] 1*2048kB [ 392.779860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.781804] (M) [ 392.785865] ? lock_downgrade+0x900/0x900 [ 392.788261] 3*4096kB (M) [ 392.792960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.794911] = 15908kB [ 392.799055] cache_grow_begin+0x91/0x8c0 [ 392.801787] Node 0 [ 392.807321] ? do_raw_spin_unlock+0xa7/0x2f0 [ 392.809708] DMA32: [ 392.813798] fallback_alloc+0x203/0x2e0 [ 392.816006] 4*4kB [ 392.820431] ____cache_alloc_node+0x1c7/0x1e0 [ 392.822661] (UM) [ 392.826632] kmem_cache_alloc_node+0xe3/0x730 [ 392.828765] 1*8kB [ 392.833259] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.835312] (M) [ 392.839812] __alloc_skb+0x119/0x770 [ 392.841934] 3*16kB [ 392.846170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.848122] (M) [ 392.851857] ? skb_scrub_packet+0x490/0x490 [ 392.854071] 3*32kB [ 392.859347] ? lock_downgrade+0x900/0x900 [ 392.861302] (M) [ 392.865629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.867839] 1*64kB [ 392.871985] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.873935] (M) [ 392.879471] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.881685] 3*128kB [ 392.887131] ? addrconf_rs_timer+0x6f0/0x6f0 [ 392.889087] (UM) [ 392.894542] ndisc_alloc_skb+0x144/0x340 [ 392.896834] 3*256kB [ 392.901248] ndisc_send_rs+0x331/0x6e0 [ 392.903289] (UM) [ 392.907348] addrconf_rs_timer+0x3c0/0x6f0 [ 392.909658] 4*512kB [ 392.913544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.915580] (UM) [ 392.919826] call_timer_fn+0x272/0x920 [ 392.922132] 3*1024kB [ 392.926362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.928399] (M) 3*2048kB [ 392.932292] ? process_timeout+0x40/0x40 [ 392.934681] (M) [ 392.938918] ? find_held_lock+0x36/0x1c0 [ 392.941655] 3*4096kB [ 392.945733] ? __run_timers+0x7da/0xc70 [ 392.947686] (M) [ 392.951749] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.954136] = 24936kB [ 392.958104] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.960060] Node 0 [ 392.964556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.966942] Normal: [ 392.971437] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.973661] 1267*4kB [ 392.977893] ? trace_hardirqs_on+0xbd/0x310 [ 392.980194] (UMEH) [ 392.984769] ? kasan_check_read+0x11/0x20 [ 392.987156] 430*8kB [ 392.991483] ? __run_timers+0x7da/0xc70 [ 392.993704] (UMEH) [ 392.997849] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.000157] 212*16kB (UMEH) [ 393.004139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.006348] 35*32kB (MH) [ 393.011806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.014806] 9*64kB [ 393.019037] __run_timers+0x7e5/0xc70 [ 393.021769] (MH) [ 393.026008] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.028218] 1*128kB [ 393.032023] ? check_preemption_disabled+0x48/0x200 [ 393.034064] (H) [ 393.039436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.041734] 1*256kB [ 393.046751] ? rcu_irq_exit+0xce/0x100 [ 393.048697] (H) [ 393.054235] ? irq_exit+0xbd/0x1c0 [ 393.056530] 0*512kB 0*1024kB [ 393.060429] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.062374] 0*2048kB [ 393.065922] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.068998] 0*4096kB = 13980kB [ 393.074015] ? retint_kernel+0x2d/0x2d [ 393.076428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.081177] ? trace_hardirqs_on_caller+0xc0/0x300 [ 393.084363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.088241] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.097054] 4516 total pagecache pages [ 393.101979] ? trace_hardirqs_off_caller+0x300/0x300 [ 393.110538] 0 pages in swap cache [ 393.115292] ? graph_lock+0x170/0x170 [ 393.119159] Swap cache stats: add 0, delete 0, find 0/0 [ 393.124275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.127702] Free swap = 0kB [ 393.131507] ? check_preemption_disabled+0x48/0x200 [ 393.136842] Total swap = 0kB [ 393.142381] ? __lock_is_held+0xb5/0x140 [ 393.145371] 1965979 pages RAM [ 393.150386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.153375] 0 pages HighMem/MovableOnly [ 393.153384] 343324 pages reserved [ 393.157450] ? check_preemption_disabled+0x48/0x200 [ 393.160536] 0 pages cma reserved [ 393.166086] run_timer_softirq+0x52/0xb0 [ 393.170152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.173477] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.178548] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.181847] __do_softirq+0x30b/0xad8 [ 393.185891] ksoftirqd/0 cpuset= [ 393.192408] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.197388] / [ 393.207705] ? pvclock_read_flags+0x160/0x160 [ 393.211486] mems_allowed=0 [ 393.214764] ? lapic_next_event+0x5a/0x90 [ 393.233091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.238633] ? check_preemption_disabled+0x48/0x200 [ 393.243646] ? check_preemption_disabled+0x48/0x200 [ 393.248676] ? kvm_clock_read+0x18/0x30 [ 393.252656] ? kvm_sched_clock_read+0x9/0x20 [ 393.257069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.262610] ? check_preemption_disabled+0x48/0x200 [ 393.267644] irq_exit+0x17f/0x1c0 [ 393.271105] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.275950] ? smp_reschedule_interrupt+0x109/0x650 [ 393.280969] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.286861] ? interrupt_entry+0xb5/0xf0 [ 393.290929] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.295949] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.300970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.305814] ? trace_hardirqs_off+0x300/0x300 [ 393.310307] ? trace_hardirqs_off+0x300/0x300 [ 393.314807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.320349] ? check_preemption_disabled+0x48/0x200 [ 393.325373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.330932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.335789] apic_timer_interrupt+0xf/0x20 [ 393.340020] [ 393.342264] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.347196] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 393.366103] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 393.373817] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.381100] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 393.388372] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 393.395671] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.402938] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 393.410260] skb_clone+0x1bb/0x500 [ 393.413806] ? skb_split+0x11e0/0x11e0 [ 393.417700] ? preempt_notifier_register+0x200/0x200 [ 393.422804] ? __switch_to_asm+0x34/0x70 [ 393.426865] ? __switch_to_asm+0x34/0x70 [ 393.430924] ? __switch_to_asm+0x40/0x70 [ 393.434984] ? __switch_to_asm+0x34/0x70 [ 393.439043] ? __switch_to_asm+0x40/0x70 [ 393.443108] ? __switch_to_asm+0x40/0x70 [ 393.447171] ? __switch_to_asm+0x34/0x70 [ 393.451231] ? __switch_to_asm+0x34/0x70 [ 393.455291] ? __switch_to_asm+0x40/0x70 [ 393.459350] ? __switch_to_asm+0x34/0x70 [ 393.463432] bpf_clone_redirect+0xb9/0x490 [ 393.467680] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 393.472708] ? __sched_text_start+0x8/0x8 [ 393.476859] ? retint_kernel+0x2d/0x2d [ 393.480758] ? find_held_lock+0x36/0x1c0 [ 393.484828] ? lock_acquire+0x1ed/0x520 [ 393.488820] ? bpf_test_run+0x32e/0x5a0 [ 393.492804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.498342] ? check_preemption_disabled+0x48/0x200 [ 393.503362] ? kasan_check_read+0x11/0x20 [ 393.507527] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.512819] ? rcu_bh_qs+0xc0/0xc0 [ 393.516360] ? preempt_schedule+0x4d/0x60 [ 393.520519] ? ___preempt_schedule+0x16/0x18 [ 393.524941] ? bpf_test_run+0x1c0/0x5a0 [ 393.528934] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.533359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.538892] ? bpf_test_init.isra.9+0x70/0x100 [ 393.543484] ? bpf_prog_test_run_skb+0x634/0xb40 [ 393.548284] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.553137] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.558672] ? fput+0x130/0x1a0 [ 393.561958] ? __bpf_prog_get+0x9b/0x290 [ 393.566026] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.570867] ? bpf_prog_test_run+0x130/0x1a0 [ 393.575317] ? __x64_sys_bpf+0x3d8/0x510 [ 393.579390] ? bpf_prog_get+0x20/0x20 [ 393.583237] ? do_syscall_64+0x1b9/0x820 [ 393.587304] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.592677] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.597610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.602464] ? trace_hardirqs_off+0x300/0x300 [ 393.606969] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.611992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.617531] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.622553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.627409] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.632806] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 393.632905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.639594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.639600] Call Trace: [ 393.639621] dump_stack+0x1c4/0x2b4 [ 393.639637] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.639666] warn_alloc.cold.118+0xb7/0x1bd [ 393.646207] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.655485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.658053] syz-executor1 cpuset= [ 393.661701] ? lock_downgrade+0x900/0x900 [ 393.666866] syz1 [ 393.671191] ? trace_hardirqs_off+0xb8/0x300 [ 393.681651] mems_allowed=0 [ 393.686485] ? trace_hardirqs_off+0xb8/0x300 [ 393.707722] __alloc_pages_slowpath+0x2667/0x2d80 [ 393.712594] ? mark_held_locks+0x130/0x130 [ 393.716831] ? warn_alloc+0x120/0x120 [ 393.720672] ? warn_alloc+0x120/0x120 [ 393.724487] ? print_usage_bug+0xc0/0xc0 [ 393.728563] ? warn_alloc+0x120/0x120 [ 393.732366] ? print_usage_bug+0xc0/0xc0 [ 393.736437] ? __lock_acquire+0x7ec/0x4ec0 [ 393.740681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.746219] ? should_fail+0x22d/0xd01 [ 393.750137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.755238] ? __lock_acquire+0x7ec/0x4ec0 [ 393.759493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.764595] ? __lock_acquire+0x7ec/0x4ec0 [ 393.768883] ? should_fail+0x22d/0xd01 [ 393.772790] ? mark_held_locks+0x130/0x130 [ 393.777042] ? mark_held_locks+0x130/0x130 [ 393.781280] ? graph_lock+0x170/0x170 [ 393.785085] ? graph_lock+0x170/0x170 [ 393.788913] ? graph_lock+0x170/0x170 [ 393.792713] ? print_usage_bug+0xc0/0xc0 [ 393.796773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.802314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.807890] ? check_preemption_disabled+0x48/0x200 [ 393.812921] ? check_preemption_disabled+0x48/0x200 [ 393.817954] ? __lock_is_held+0xb5/0x140 [ 393.822027] __alloc_pages_nodemask+0xa80/0xde0 [ 393.826700] ? graph_lock+0x170/0x170 [ 393.830510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.835525] ? graph_lock+0x170/0x170 [ 393.839337] ? find_held_lock+0x36/0x1c0 [ 393.843411] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.848085] ? lock_downgrade+0x900/0x900 [ 393.852243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.857787] cache_grow_begin+0x91/0x8c0 [ 393.861855] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.866283] fallback_alloc+0x203/0x2e0 [ 393.870277] ____cache_alloc_node+0x1c7/0x1e0 [ 393.874777] kmem_cache_alloc_node+0xe3/0x730 [ 393.879316] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.883564] __alloc_skb+0x119/0x770 [ 393.887284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.892567] ? skb_scrub_packet+0x490/0x490 [ 393.896908] ? lock_downgrade+0x900/0x900 [ 393.901069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.906610] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.912074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.917554] ? addrconf_rs_timer+0x6f0/0x6f0 [ 393.921984] ndisc_alloc_skb+0x144/0x340 [ 393.926052] ndisc_send_rs+0x331/0x6e0 [ 393.929948] addrconf_rs_timer+0x3c0/0x6f0 [ 393.934190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.938449] call_timer_fn+0x272/0x920 [ 393.942335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.946574] ? process_timeout+0x40/0x40 [ 393.950638] ? find_held_lock+0x36/0x1c0 [ 393.954709] ? __run_timers+0x7da/0xc70 [ 393.958700] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.963196] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.967694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.971933] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.976524] ? trace_hardirqs_on+0xbd/0x310 [ 393.980851] ? kasan_check_read+0x11/0x20 [ 393.984998] ? __run_timers+0x7da/0xc70 [ 393.988977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.994436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.999199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.003436] __run_timers+0x7e5/0xc70 [ 394.007256] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.012640] ? compat_start_thread+0x80/0x80 [ 394.017064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.022621] ? _raw_spin_unlock_irq+0x60/0x80 [ 394.027120] ? finish_task_switch+0x1f5/0x900 [ 394.031614] ? finish_task_switch+0x1b5/0x900 [ 394.036111] ? __switch_to_asm+0x34/0x70 [ 394.040177] ? preempt_notifier_register+0x200/0x200 [ 394.045282] ? __switch_to_asm+0x34/0x70 [ 394.049340] ? __switch_to_asm+0x40/0x70 [ 394.053405] ? __switch_to_asm+0x34/0x70 [ 394.057467] ? __switch_to_asm+0x40/0x70 [ 394.061543] ? __switch_to_asm+0x34/0x70 [ 394.065603] ? __switch_to_asm+0x40/0x70 [ 394.069686] ? __switch_to_asm+0x40/0x70 [ 394.073761] ? pvclock_read_flags+0x160/0x160 [ 394.078263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.083800] ? check_preemption_disabled+0x48/0x200 [ 394.088829] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.094114] ? rcu_pm_notify+0xc0/0xc0 [ 394.098002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.103547] ? check_preemption_disabled+0x48/0x200 [ 394.108765] run_timer_softirq+0x52/0xb0 [ 394.112832] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.117887] __do_softirq+0x30b/0xad8 [ 394.121709] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.126817] ? trace_hardirqs_off_caller+0x300/0x300 [ 394.131925] ? retint_kernel+0x1b/0x2d [ 394.135839] ? schedule+0x108/0x460 [ 394.139484] ? __schedule+0x1ed0/0x1ed0 [ 394.143468] ? trace_hardirqs_off+0xb8/0x300 [ 394.147893] ? ___might_sleep+0x1ed/0x300 [ 394.152046] ? smpboot_thread_fn+0x68b/0xa00 [ 394.156456] ? trace_hardirqs_on+0x310/0x310 [ 394.160867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.166413] ? check_preemption_disabled+0x48/0x200 [ 394.171449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.176998] ? takeover_tasklets+0xa90/0xa90 [ 394.181414] run_ksoftirqd+0x94/0x100 [ 394.185229] smpboot_thread_fn+0x68b/0xa00 [ 394.189466] ? sort_range+0x30/0x30 [ 394.193095] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.198201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.203740] ? __kthread_parkme+0xfb/0x1a0 [ 394.207985] kthread+0x35a/0x420 [ 394.211353] ? sort_range+0x30/0x30 [ 394.214978] ? kthread_bind+0x40/0x40 [ 394.218794] ret_from_fork+0x3a/0x50 [ 394.222526] warn_alloc_show_mem: 1 callbacks suppressed [ 394.222540] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 394.222542] Mem-Info: [ 394.222576] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 394.222576] active_file:18 inactive_file:31 isolated_file:0 [ 394.222576] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.222576] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 394.222576] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 394.222576] free:13670 free_pcp:352 free_cma:0 [ 394.227921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.235199] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.237596] Call Trace: [ 394.270639] Node 0 [ 394.279984] [ 394.307934] 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 [ 394.310514] dump_stack+0x1c4/0x2b4 [ 394.312713] lowmem_reserve[]: 0 [ 394.314867] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.340371] 2815 [ 394.344019] warn_alloc.cold.118+0xb7/0x1bd [ 394.347275] 6318 [ 394.352459] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.354505] 6318 [ 394.358824] ? lock_downgrade+0x900/0x900 [ 394.365719] ? trace_hardirqs_off+0xb8/0x300 [ 394.367757] Node 0 [ 394.371899] ? trace_hardirqs_off+0xb8/0x300 [ 394.376311] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 394.378543] __alloc_pages_slowpath+0x2667/0x2d80 [ 394.382917] lowmem_reserve[]: 0 [ 394.409667] ? warn_alloc+0x120/0x120 [ 394.414459] 0 [ 394.417734] ? warn_alloc+0x120/0x120 [ 394.421520] 3503 [ 394.423324] ? print_usage_bug+0xc0/0xc0 [ 394.427098] 3503 [ 394.429160] ? warn_alloc+0x120/0x120 [ 394.435305] ? print_usage_bug+0xc0/0xc0 [ 394.439085] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 394.443174] ? __lock_acquire+0x7ec/0x4ec0 [ 394.443194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.472408] lowmem_reserve[]: 0 [ 394.476657] ? should_fail+0x22d/0xd01 [ 394.482163] 0 [ 394.485446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.489320] 0 [ 394.491132] ? __lock_acquire+0x7ec/0x4ec0 [ 394.496211] 0 [ 394.498012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.504018] ? __lock_acquire+0x7ec/0x4ec0 [ 394.509096] Node 0 [ 394.513316] ? should_fail+0x22d/0xd01 [ 394.513326] DMA: [ 394.515560] ? mark_held_locks+0x130/0x130 [ 394.519418] 1*4kB [ 394.521474] ? mark_held_locks+0x130/0x130 [ 394.525681] (U) [ 394.527823] ? graph_lock+0x170/0x170 [ 394.532037] 0*8kB [ 394.534010] ? graph_lock+0x170/0x170 [ 394.537788] 0*16kB [ 394.539932] ? graph_lock+0x170/0x170 [ 394.543709] 1*32kB (U) [ 394.545952] ? print_usage_bug+0xc0/0xc0 [ 394.549734] 2*64kB [ 394.552341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.556388] (U) [ 394.558625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.564134] 1*128kB (U) [ 394.566114] ? check_preemption_disabled+0x48/0x200 [ 394.571629] 1*256kB [ 394.574297] ? check_preemption_disabled+0x48/0x200 [ 394.579311] (U) 0*512kB [ 394.581665] ? __lock_is_held+0xb5/0x140 [ 394.586654] 1*1024kB [ 394.589331] __alloc_pages_nodemask+0xa80/0xde0 [ 394.593364] (U) [ 394.595769] ? graph_lock+0x170/0x170 [ 394.600418] 1*2048kB [ 394.602390] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.606171] (M) [ 394.608580] ? graph_lock+0x170/0x170 [ 394.613575] 3*4096kB [ 394.615557] ? find_held_lock+0x36/0x1c0 [ 394.619342] (M) [ 394.621768] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.625797] = 15908kB [ 394.625806] Node 0 [ 394.627781] ? lock_downgrade+0x900/0x900 [ 394.632430] DMA32: [ 394.634845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.637055] 4*4kB [ 394.641202] cache_grow_begin+0x91/0x8c0 [ 394.643416] (UM) [ 394.648950] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.651078] 1*8kB [ 394.655135] fallback_alloc+0x203/0x2e0 [ 394.657175] (M) [ 394.661584] ____cache_alloc_node+0x1c7/0x1e0 [ 394.663715] 3*16kB [ 394.667689] kmem_cache_alloc_node+0xe3/0x730 [ 394.669642] (M) [ 394.674137] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.676342] 3*32kB (M) [ 394.680849] __alloc_skb+0x119/0x770 [ 394.682811] 1*64kB [ 394.687045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.689604] (M) [ 394.693309] ? skb_scrub_packet+0x490/0x490 [ 394.695526] 3*128kB [ 394.700796] ? lock_downgrade+0x900/0x900 [ 394.702753] (UM) [ 394.707075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.709374] 3*256kB [ 394.713542] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.715596] (UM) [ 394.721160] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.723470] 4*512kB [ 394.728914] ? addrconf_rs_timer+0x6f0/0x6f0 [ 394.728943] ndisc_alloc_skb+0x144/0x340 [ 394.730975] (UM) [ 394.736437] ndisc_send_rs+0x331/0x6e0 [ 394.738738] 3*1024kB [ 394.743144] addrconf_rs_timer+0x3c0/0x6f0 [ 394.747206] (M) [ 394.749267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.753134] 3*2048kB [ 394.755560] call_timer_fn+0x272/0x920 [ 394.759762] (M) [ 394.761736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.765940] 3*4096kB (M) [ 394.768358] ? process_timeout+0x40/0x40 [ 394.772220] = 24936kB [ 394.774222] ? find_held_lock+0x36/0x1c0 [ 394.778431] Node 0 [ 394.781188] ? __run_timers+0x7da/0xc70 [ 394.785214] Normal: 1267*4kB [ 394.787644] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.791675] (UMEH) [ 394.793917] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.797870] 430*8kB [ 394.800970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.800988] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 394.805454] (UMEH) 212*16kB [ 394.807699] ? trace_hardirqs_on+0xbd/0x310 [ 394.812202] (UMEH) [ 394.814531] ? kasan_check_read+0x11/0x20 [ 394.818744] 35*32kB [ 394.823322] ? __run_timers+0x7da/0xc70 [ 394.826315] (MH) [ 394.830629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.832845] 9*64kB [ 394.836993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.839292] (MH) [ 394.843281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.845333] 1*128kB [ 394.850775] __run_timers+0x7e5/0xc70 [ 394.852988] (H) [ 394.857224] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.859250] 1*256kB (H) [ 394.863491] ? check_preemption_disabled+0x48/0x200 [ 394.865804] 0*512kB [ 394.869604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.871556] 0*1024kB [ 394.876921] ? rcu_irq_exit+0xce/0x100 [ 394.879567] 0*2048kB [ 394.884580] ? irq_exit+0xbd/0x1c0 [ 394.886878] 0*4096kB [ 394.892419] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.894801] = 13980kB [ 394.898684] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.901075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.904648] ? retint_kernel+0x2d/0x2d [ 394.907040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.912049] ? trace_hardirqs_on_caller+0xc0/0x300 [ 394.914434] 4516 total pagecache pages [ 394.919185] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.928003] 0 pages in swap cache [ 394.931883] ? trace_hardirqs_off_caller+0x300/0x300 [ 394.940440] Swap cache stats: add 0, delete 0, find 0/0 [ 394.945363] ? graph_lock+0x170/0x170 [ 394.949227] Free swap = 0kB [ 394.953982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.957414] Total swap = 0kB [ 394.957424] 1965979 pages RAM [ 394.962528] ? check_preemption_disabled+0x48/0x200 [ 394.967873] 0 pages HighMem/MovableOnly [ 394.971671] ? __lock_is_held+0xb5/0x140 [ 394.974652] 343324 pages reserved [ 394.974660] 0 pages cma reserved [ 394.980192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.983285] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.986302] ? check_preemption_disabled+0x48/0x200 [ 394.991399] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.995289] run_timer_softirq+0x52/0xb0 [ 394.999323] ksoftirqd/0 cpuset= [ 395.002774] ? rcu_read_lock_sched_held+0x108/0x120 [ 395.006117] / [ 395.011658] __do_softirq+0x30b/0xad8 [ 395.018123] mems_allowed=0 [ 395.023152] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 395.059325] ? pvclock_read_flags+0x160/0x160 [ 395.063821] ? lapic_next_event+0x5a/0x90 [ 395.067976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.073522] ? check_preemption_disabled+0x48/0x200 [ 395.078536] ? check_preemption_disabled+0x48/0x200 [ 395.083581] ? kvm_clock_read+0x18/0x30 [ 395.087565] ? kvm_sched_clock_read+0x9/0x20 [ 395.091993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.097782] ? check_preemption_disabled+0x48/0x200 [ 395.102828] irq_exit+0x17f/0x1c0 [ 395.106290] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.111133] ? smp_reschedule_interrupt+0x109/0x650 [ 395.116150] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.122044] ? interrupt_entry+0xb5/0xf0 [ 395.126112] ? trace_hardirqs_off_caller+0xbb/0x300 [ 395.131124] ? trace_hardirqs_off_caller+0xbb/0x300 [ 395.136173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.141017] ? trace_hardirqs_off+0x300/0x300 [ 395.145520] ? trace_hardirqs_off+0x300/0x300 [ 395.150023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.155562] ? check_preemption_disabled+0x48/0x200 [ 395.160601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.166157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.171013] apic_timer_interrupt+0xf/0x20 [ 395.175246] [ 395.177488] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.182446] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 395.201346] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 395.209054] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.216319] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 395.223589] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 395.230855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.238121] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 395.245451] skb_clone+0x1bb/0x500 [ 395.248995] ? skb_split+0x11e0/0x11e0 [ 395.252891] ? preempt_notifier_register+0x200/0x200 [ 395.258013] ? __switch_to_asm+0x34/0x70 [ 395.262080] ? __switch_to_asm+0x34/0x70 [ 395.266137] ? __switch_to_asm+0x40/0x70 [ 395.270198] ? __switch_to_asm+0x34/0x70 [ 395.274264] ? __switch_to_asm+0x40/0x70 [ 395.278323] ? __switch_to_asm+0x40/0x70 [ 395.282379] ? __switch_to_asm+0x34/0x70 [ 395.286441] ? __switch_to_asm+0x34/0x70 [ 395.290509] ? __switch_to_asm+0x40/0x70 [ 395.294569] ? __switch_to_asm+0x34/0x70 [ 395.298653] bpf_clone_redirect+0xb9/0x490 [ 395.302915] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 395.307944] ? __sched_text_start+0x8/0x8 [ 395.312097] ? retint_kernel+0x2d/0x2d [ 395.316002] ? find_held_lock+0x36/0x1c0 [ 395.320073] ? lock_acquire+0x1ed/0x520 [ 395.324051] ? bpf_test_run+0x32e/0x5a0 [ 395.328028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.333582] ? check_preemption_disabled+0x48/0x200 [ 395.338616] ? kasan_check_read+0x11/0x20 [ 395.342786] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.348066] ? rcu_bh_qs+0xc0/0xc0 [ 395.351620] ? preempt_schedule+0x4d/0x60 [ 395.355771] ? ___preempt_schedule+0x16/0x18 [ 395.360193] ? bpf_test_run+0x1c0/0x5a0 [ 395.364179] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.368597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.374148] ? bpf_test_init.isra.9+0x70/0x100 [ 395.378739] ? bpf_prog_test_run_skb+0x634/0xb40 [ 395.383521] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 395.388361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.393896] ? fput+0x130/0x1a0 [ 395.397178] ? __bpf_prog_get+0x9b/0x290 [ 395.401242] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 395.406083] ? bpf_prog_test_run+0x130/0x1a0 [ 395.410505] ? __x64_sys_bpf+0x3d8/0x510 [ 395.414571] ? bpf_prog_get+0x20/0x20 [ 395.418413] ? do_syscall_64+0x1b9/0x820 [ 395.422479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.427853] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.432792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.437665] ? trace_hardirqs_off+0x300/0x300 [ 395.442166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.447188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.452728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.457756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.462612] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.467999] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 395.468115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.474758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.474764] Call Trace: [ 395.474789] dump_stack+0x1c4/0x2b4 [ 395.474813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.481468] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.490653] warn_alloc.cold.118+0xb7/0x1bd [ 395.493208] syz-executor1 cpuset= [ 395.496830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.501994] syz1 [ 395.512479] ? lock_downgrade+0x900/0x900 [ 395.516787] mems_allowed=0 [ 395.520237] ? trace_hardirqs_off+0xb8/0x300 [ 395.538462] ? trace_hardirqs_off+0xb8/0x300 [ 395.542880] __alloc_pages_slowpath+0x2667/0x2d80 [ 395.547752] ? mark_held_locks+0x130/0x130 [ 395.551994] ? warn_alloc+0x120/0x120 [ 395.555802] ? warn_alloc+0x120/0x120 [ 395.559607] ? print_usage_bug+0xc0/0xc0 [ 395.563666] ? warn_alloc+0x120/0x120 [ 395.567470] ? print_usage_bug+0xc0/0xc0 [ 395.571538] ? __lock_acquire+0x7ec/0x4ec0 [ 395.575782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.581363] ? should_fail+0x22d/0xd01 [ 395.585281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.590383] ? __lock_acquire+0x7ec/0x4ec0 [ 395.594621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.599722] ? __lock_acquire+0x7ec/0x4ec0 [ 395.603957] ? should_fail+0x22d/0xd01 [ 395.607841] ? print_usage_bug+0xc0/0xc0 [ 395.611918] ? mark_held_locks+0x130/0x130 [ 395.616162] ? mark_held_locks+0x130/0x130 [ 395.620410] ? graph_lock+0x170/0x170 [ 395.624217] ? print_usage_bug+0xc0/0xc0 [ 395.628285] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.633049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.638588] ? check_preemption_disabled+0x48/0x200 [ 395.643601] ? check_preemption_disabled+0x48/0x200 [ 395.648639] ? __lock_is_held+0xb5/0x140 [ 395.652726] __alloc_pages_nodemask+0xa80/0xde0 [ 395.657425] ? graph_lock+0x170/0x170 [ 395.661232] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.666249] ? graph_lock+0x170/0x170 [ 395.670062] ? find_held_lock+0x36/0x1c0 [ 395.674136] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.678805] ? lock_downgrade+0x900/0x900 [ 395.682964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.688507] cache_grow_begin+0x91/0x8c0 [ 395.692574] ? do_raw_spin_unlock+0xa7/0x2f0 [ 395.696991] fallback_alloc+0x203/0x2e0 [ 395.700972] ____cache_alloc_node+0x1c7/0x1e0 [ 395.705474] kmem_cache_alloc_node+0xe3/0x730 [ 395.710000] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.714269] __alloc_skb+0x119/0x770 [ 395.717985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.723266] ? skb_scrub_packet+0x490/0x490 [ 395.727593] ? lock_downgrade+0x900/0x900 [ 395.731784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.737328] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.742780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.748231] ? addrconf_rs_timer+0x6f0/0x6f0 [ 395.752655] ndisc_alloc_skb+0x144/0x340 [ 395.756727] ndisc_send_rs+0x331/0x6e0 [ 395.760622] addrconf_rs_timer+0x3c0/0x6f0 [ 395.764894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.769155] call_timer_fn+0x272/0x920 [ 395.773045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.777309] ? process_timeout+0x40/0x40 [ 395.781370] ? find_held_lock+0x36/0x1c0 [ 395.785440] ? __run_timers+0x7da/0xc70 [ 395.789423] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.793928] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.798429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.802670] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 395.807259] ? trace_hardirqs_on+0xbd/0x310 [ 395.811580] ? kasan_check_read+0x11/0x20 [ 395.815731] ? __run_timers+0x7da/0xc70 [ 395.819712] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.825172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.829428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.833680] __run_timers+0x7e5/0xc70 [ 395.837500] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 395.842869] ? compat_start_thread+0x80/0x80 [ 395.847313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.852854] ? _raw_spin_unlock_irq+0x60/0x80 [ 395.857357] ? finish_task_switch+0x1f5/0x900 [ 395.861851] ? finish_task_switch+0x1b5/0x900 [ 395.866350] ? __switch_to_asm+0x34/0x70 [ 395.870416] ? preempt_notifier_register+0x200/0x200 [ 395.875519] ? __switch_to_asm+0x34/0x70 [ 395.879587] ? __switch_to_asm+0x40/0x70 [ 395.883645] ? __switch_to_asm+0x34/0x70 [ 395.887717] ? __switch_to_asm+0x40/0x70 [ 395.891785] ? __switch_to_asm+0x34/0x70 [ 395.895859] ? __switch_to_asm+0x40/0x70 [ 395.899922] ? __switch_to_asm+0x40/0x70 [ 395.903994] ? pvclock_read_flags+0x160/0x160 [ 395.908506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.914054] ? check_preemption_disabled+0x48/0x200 [ 395.919100] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.924393] ? rcu_pm_notify+0xc0/0xc0 [ 395.928293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.933843] ? check_preemption_disabled+0x48/0x200 [ 395.938872] run_timer_softirq+0x52/0xb0 [ 395.942937] ? rcu_read_lock_sched_held+0x108/0x120 [ 395.947958] __do_softirq+0x30b/0xad8 [ 395.951774] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 395.956890] ? trace_hardirqs_off_caller+0x300/0x300 [ 395.962001] ? retint_kernel+0x1b/0x2d [ 395.965917] ? schedule+0x108/0x460 [ 395.969549] ? __schedule+0x1ed0/0x1ed0 [ 395.973542] ? trace_hardirqs_off+0xb8/0x300 [ 395.977967] ? ___might_sleep+0x1ed/0x300 [ 395.982112] ? smpboot_thread_fn+0x68b/0xa00 [ 395.986521] ? trace_hardirqs_on+0x310/0x310 [ 395.990932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.996468] ? check_preemption_disabled+0x48/0x200 [ 396.001970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.007524] ? takeover_tasklets+0xa90/0xa90 [ 396.011940] run_ksoftirqd+0x94/0x100 [ 396.015745] smpboot_thread_fn+0x68b/0xa00 [ 396.019983] ? sort_range+0x30/0x30 [ 396.023612] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.028716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.034253] ? __kthread_parkme+0xfb/0x1a0 [ 396.038494] kthread+0x35a/0x420 [ 396.041863] ? sort_range+0x30/0x30 [ 396.045496] ? kthread_bind+0x40/0x40 [ 396.049315] ret_from_fork+0x3a/0x50 [ 396.053043] warn_alloc_show_mem: 1 callbacks suppressed [ 396.053056] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 396.053058] Mem-Info: [ 396.053092] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 396.053092] active_file:18 inactive_file:31 isolated_file:0 [ 396.053092] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.053092] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 396.053092] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 396.053092] free:13670 free_pcp:352 free_cma:0 [ 396.058429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.065721] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.068120] Call Trace: [ 396.101160] Node 0 [ 396.111025] [ 396.138971] 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 [ 396.141552] dump_stack+0x1c4/0x2b4 [ 396.143756] lowmem_reserve[]: [ 396.145904] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.171383] 0 2815 [ 396.175082] warn_alloc.cold.118+0xb7/0x1bd [ 396.178160] 6318 6318 [ 396.183359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.189907] ? lock_downgrade+0x900/0x900 [ 396.192384] Node 0 [ 396.197234] ? trace_hardirqs_off+0xb8/0x300 [ 396.201381] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 396.203595] ? trace_hardirqs_off+0xb8/0x300 [ 396.207979] lowmem_reserve[]: [ 396.234710] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.239086] 0 [ 396.242219] ? warn_alloc+0x120/0x120 [ 396.247010] 0 [ 396.248808] ? trace_hardirqs_on+0x310/0x310 [ 396.252584] 3503 [ 396.254383] ? warn_alloc+0x120/0x120 [ 396.258771] 3503 [ 396.260836] ? print_usage_bug+0xc0/0xc0 [ 396.266673] ? warn_alloc+0x120/0x120 [ 396.270714] Node 0 [ 396.274505] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 396.274543] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 396.276749] ? print_usage_bug+0xc0/0xc0 [ 396.281745] lowmem_reserve[]: [ 396.310377] ? __lock_acquire+0x7ec/0x4ec0 [ 396.314413] 0 [ 396.317524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.321729] 0 0 [ 396.323545] ? should_fail+0x22d/0xd01 [ 396.329051] 0 [ 396.331035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.334904] Node 0 [ 396.336701] ? __lock_acquire+0x7ec/0x4ec0 [ 396.341779] DMA: [ 396.344019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.348228] 1*4kB [ 396.350287] ? __lock_acquire+0x7ec/0x4ec0 [ 396.355369] (U) [ 396.357509] ? should_fail+0x22d/0xd01 [ 396.357526] ? print_usage_bug+0xc0/0xc0 [ 396.361738] 0*8kB 0*16kB [ 396.363732] ? mark_held_locks+0x130/0x130 [ 396.367588] 1*32kB [ 396.371648] ? mark_held_locks+0x130/0x130 [ 396.374388] (U) [ 396.378633] ? graph_lock+0x170/0x170 [ 396.380841] 2*64kB [ 396.385074] ? print_usage_bug+0xc0/0xc0 [ 396.387033] (U) [ 396.390835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.393048] 1*128kB [ 396.397106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.399055] (U) [ 396.403804] ? check_preemption_disabled+0x48/0x200 [ 396.406103] 1*256kB [ 396.411645] ? check_preemption_disabled+0x48/0x200 [ 396.413598] (U) [ 396.418614] ? __lock_is_held+0xb5/0x140 [ 396.420917] 0*512kB [ 396.425941] __alloc_pages_nodemask+0xa80/0xde0 [ 396.427894] 1*1024kB [ 396.431950] ? graph_lock+0x170/0x170 [ 396.434268] (U) [ 396.438939] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 396.441332] 1*2048kB [ 396.445125] ? graph_lock+0x170/0x170 [ 396.447080] (M) [ 396.452097] ? find_held_lock+0x36/0x1c0 [ 396.454477] 3*4096kB [ 396.458281] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.460231] (M) [ 396.464300] ? lock_downgrade+0x900/0x900 [ 396.466689] = 15908kB [ 396.471357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.473307] Node 0 [ 396.477450] cache_grow_begin+0x91/0x8c0 [ 396.479835] DMA32: [ 396.485391] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.487782] 4*4kB [ 396.491856] fallback_alloc+0x203/0x2e0 [ 396.494065] (UM) [ 396.498484] ____cache_alloc_node+0x1c7/0x1e0 [ 396.500609] 1*8kB (M) [ 396.504593] kmem_cache_alloc_node+0xe3/0x730 [ 396.506639] 3*16kB (M) [ 396.511138] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.513613] 3*32kB [ 396.518108] __alloc_skb+0x119/0x770 [ 396.520678] (M) [ 396.524912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.527128] 1*64kB [ 396.530835] ? skb_scrub_packet+0x490/0x490 [ 396.532793] (M) [ 396.538065] ? lock_downgrade+0x900/0x900 [ 396.540283] 3*128kB [ 396.544607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.546559] (UM) [ 396.550708] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.553006] 3*256kB [ 396.558539] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.560590] (UM) [ 396.566041] ? addrconf_rs_timer+0x6f0/0x6f0 [ 396.568343] 4*512kB [ 396.573806] ndisc_alloc_skb+0x144/0x340 [ 396.575828] (UM) 3*1024kB [ 396.580241] ndisc_send_rs+0x331/0x6e0 [ 396.582540] (M) [ 396.586608] addrconf_rs_timer+0x3c0/0x6f0 [ 396.589431] 3*2048kB [ 396.593317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.595267] (M) [ 396.599508] call_timer_fn+0x272/0x920 [ 396.601890] 3*4096kB (M) [ 396.606131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.608090] = 24936kB [ 396.611974] ? process_timeout+0x40/0x40 [ 396.614711] Node 0 [ 396.618942] ? find_held_lock+0x36/0x1c0 [ 396.621328] Normal: [ 396.625387] ? __run_timers+0x7da/0xc70 [ 396.627597] 1267*4kB [ 396.631658] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.633954] (UMEH) [ 396.637921] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.640312] 430*8kB [ 396.644809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.644826] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.647044] (UMEH) [ 396.651540] ? trace_hardirqs_on+0xbd/0x310 [ 396.653842] 212*16kB [ 396.658070] ? kasan_check_read+0x11/0x20 [ 396.662627] (UMEH) [ 396.664859] ? __run_timers+0x7da/0xc70 [ 396.669154] 35*32kB [ 396.671562] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.675689] (MH) [ 396.677928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.681881] 9*64kB [ 396.684228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.689651] (MH) [ 396.691709] __run_timers+0x7e5/0xc70 [ 396.695916] 1*128kB (H) [ 396.698170] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.702371] 1*256kB [ 396.704432] ? check_preemption_disabled+0x48/0x200 [ 396.708209] (H) [ 396.710889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.716231] 0*512kB [ 396.718593] ? rcu_irq_exit+0xce/0x100 [ 396.723584] 0*1024kB [ 396.725561] ? irq_exit+0xbd/0x1c0 [ 396.731071] 0*2048kB [ 396.733396] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.737258] 0*4096kB [ 396.739681] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.743196] = 13980kB [ 396.745615] ? retint_kernel+0x2d/0x2d [ 396.750615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.753019] ? trace_hardirqs_on_caller+0xc0/0x300 [ 396.757755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.760159] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.764025] 4516 total pagecache pages [ 396.772859] ? trace_hardirqs_off_caller+0x300/0x300 [ 396.777776] 0 pages in swap cache [ 396.786341] ? graph_lock+0x170/0x170 [ 396.791073] Swap cache stats: add 0, delete 0, find 0/0 [ 396.794954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.800034] Free swap = 0kB [ 396.803483] ? check_preemption_disabled+0x48/0x200 [ 396.807266] Total swap = 0kB [ 396.812644] ? __lock_is_held+0xb5/0x140 [ 396.818155] 1965979 pages RAM [ 396.821174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.826167] 0 pages HighMem/MovableOnly [ 396.829183] ? check_preemption_disabled+0x48/0x200 [ 396.833235] 343324 pages reserved [ 396.836338] run_timer_softirq+0x52/0xb0 [ 396.841860] 0 pages cma reserved [ 396.845829] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.850926] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.854266] __do_softirq+0x30b/0xad8 [ 396.858377] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.861692] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.866676] ksoftirqd/0 cpuset= [ 396.873164] ? pvclock_read_flags+0x160/0x160 [ 396.876940] / [ 396.887260] ? lapic_next_event+0x5a/0x90 [ 396.892346] mems_allowed=0 [ 396.895622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.914386] ? check_preemption_disabled+0x48/0x200 [ 396.919419] ? check_preemption_disabled+0x48/0x200 [ 396.924444] ? kvm_clock_read+0x18/0x30 [ 396.928421] ? kvm_sched_clock_read+0x9/0x20 [ 396.932837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.938376] ? check_preemption_disabled+0x48/0x200 [ 396.943422] irq_exit+0x17f/0x1c0 [ 396.946889] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.951752] ? smp_reschedule_interrupt+0x109/0x650 [ 396.956779] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.962674] ? interrupt_entry+0xb5/0xf0 [ 396.966742] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.971758] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.976779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.981623] ? trace_hardirqs_off+0x300/0x300 [ 396.986119] ? trace_hardirqs_off+0x300/0x300 [ 396.990628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.996165] ? check_preemption_disabled+0x48/0x200 [ 397.001183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.006742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.011596] apic_timer_interrupt+0xf/0x20 [ 397.015831] [ 397.018077] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 397.023013] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 397.041914] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 397.049630] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 397.056908] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 397.064174] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 397.071444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 397.078710] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 397.086047] skb_clone+0x1bb/0x500 [ 397.089596] ? skb_split+0x11e0/0x11e0 [ 397.093502] ? preempt_notifier_register+0x200/0x200 [ 397.098619] ? __switch_to_asm+0x34/0x70 [ 397.102681] ? __switch_to_asm+0x34/0x70 [ 397.106738] ? __switch_to_asm+0x40/0x70 [ 397.110797] ? __switch_to_asm+0x34/0x70 [ 397.114894] ? __switch_to_asm+0x40/0x70 [ 397.118963] ? __switch_to_asm+0x40/0x70 [ 397.123037] ? __switch_to_asm+0x34/0x70 [ 397.127098] ? __switch_to_asm+0x34/0x70 [ 397.131157] ? __switch_to_asm+0x40/0x70 [ 397.135217] ? __switch_to_asm+0x34/0x70 [ 397.139310] bpf_clone_redirect+0xb9/0x490 [ 397.143556] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 397.148581] ? __sched_text_start+0x8/0x8 [ 397.152729] ? retint_kernel+0x2d/0x2d [ 397.156628] ? find_held_lock+0x36/0x1c0 [ 397.160699] ? lock_acquire+0x1ed/0x520 [ 397.164677] ? bpf_test_run+0x32e/0x5a0 [ 397.168655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.174196] ? check_preemption_disabled+0x48/0x200 [ 397.179232] ? kasan_check_read+0x11/0x20 [ 397.183405] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.188704] ? rcu_bh_qs+0xc0/0xc0 [ 397.192249] ? preempt_schedule+0x4d/0x60 [ 397.196403] ? ___preempt_schedule+0x16/0x18 [ 397.200816] ? bpf_test_run+0x1c0/0x5a0 [ 397.204801] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.209214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.214749] ? bpf_test_init.isra.9+0x70/0x100 [ 397.219349] ? bpf_prog_test_run_skb+0x634/0xb40 [ 397.224117] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 397.228961] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.234597] ? fput+0x130/0x1a0 [ 397.237881] ? __bpf_prog_get+0x9b/0x290 [ 397.241949] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 397.246805] ? bpf_prog_test_run+0x130/0x1a0 [ 397.251221] ? __x64_sys_bpf+0x3d8/0x510 [ 397.255285] ? bpf_prog_get+0x20/0x20 [ 397.259108] ? do_syscall_64+0x1b9/0x820 [ 397.263172] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.268542] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.273469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.278316] ? trace_hardirqs_off+0x300/0x300 [ 397.282812] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.287843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.293379] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.298409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.303274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.308660] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 397.308765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.315419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.315425] Call Trace: [ 397.315447] dump_stack+0x1c4/0x2b4 [ 397.315470] ? dump_stack_print_info.cold.2+0x52/0x52 [ 397.322049] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.331315] warn_alloc.cold.118+0xb7/0x1bd [ 397.333875] syz-executor1 cpuset= [ 397.337513] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.342668] syz1 [ 397.353151] ? lock_downgrade+0x900/0x900 [ 397.357451] mems_allowed=0 [ 397.360918] ? trace_hardirqs_off+0xb8/0x300 [ 397.379152] ? trace_hardirqs_off+0xb8/0x300 [ 397.383570] __alloc_pages_slowpath+0x2667/0x2d80 [ 397.388442] ? mark_held_locks+0x130/0x130 [ 397.392686] ? warn_alloc+0x120/0x120 [ 397.396505] ? warn_alloc+0x120/0x120 [ 397.400307] ? print_usage_bug+0xc0/0xc0 [ 397.404372] ? warn_alloc+0x120/0x120 [ 397.408177] ? print_usage_bug+0xc0/0xc0 [ 397.412245] ? __lock_acquire+0x7ec/0x4ec0 [ 397.416489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.422042] ? should_fail+0x22d/0xd01 [ 397.425941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.431049] ? __lock_acquire+0x7ec/0x4ec0 [ 397.435288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.440397] ? __lock_acquire+0x7ec/0x4ec0 [ 397.444634] ? should_fail+0x22d/0xd01 [ 397.448542] ? mark_held_locks+0x130/0x130 [ 397.452785] ? mark_held_locks+0x130/0x130 [ 397.457019] ? graph_lock+0x170/0x170 [ 397.460818] ? graph_lock+0x170/0x170 [ 397.464621] ? graph_lock+0x170/0x170 [ 397.468424] ? print_usage_bug+0xc0/0xc0 [ 397.472485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.478040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.483606] ? check_preemption_disabled+0x48/0x200 [ 397.488622] ? check_preemption_disabled+0x48/0x200 [ 397.493654] ? __lock_is_held+0xb5/0x140 [ 397.497724] __alloc_pages_nodemask+0xa80/0xde0 [ 397.502422] ? graph_lock+0x170/0x170 [ 397.506244] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.511255] ? graph_lock+0x170/0x170 [ 397.515069] ? find_held_lock+0x36/0x1c0 [ 397.519171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.523865] ? lock_downgrade+0x900/0x900 [ 397.528028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.533578] cache_grow_begin+0x91/0x8c0 [ 397.537647] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.542064] fallback_alloc+0x203/0x2e0 [ 397.546048] ____cache_alloc_node+0x1c7/0x1e0 [ 397.550550] kmem_cache_alloc_node+0xe3/0x730 [ 397.555052] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.559325] __alloc_skb+0x119/0x770 [ 397.563063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.568344] ? skb_scrub_packet+0x490/0x490 [ 397.572664] ? lock_downgrade+0x900/0x900 [ 397.576821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.582366] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.587821] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.593288] ? addrconf_rs_timer+0x6f0/0x6f0 [ 397.597710] ndisc_alloc_skb+0x144/0x340 [ 397.601781] ndisc_send_rs+0x331/0x6e0 [ 397.605675] addrconf_rs_timer+0x3c0/0x6f0 [ 397.609923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.614175] call_timer_fn+0x272/0x920 [ 397.618064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.622301] ? process_timeout+0x40/0x40 [ 397.626364] ? find_held_lock+0x36/0x1c0 [ 397.630445] ? __run_timers+0x7da/0xc70 [ 397.634424] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.638927] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.643424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.647663] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 397.652252] ? trace_hardirqs_on+0xbd/0x310 [ 397.656573] ? kasan_check_read+0x11/0x20 [ 397.660716] ? __run_timers+0x7da/0xc70 [ 397.664698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.670154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.674396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.678632] __run_timers+0x7e5/0xc70 [ 397.682450] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.687816] ? compat_start_thread+0x80/0x80 [ 397.692244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.697820] ? _raw_spin_unlock_irq+0x60/0x80 [ 397.702321] ? finish_task_switch+0x1f5/0x900 [ 397.706818] ? finish_task_switch+0x1b5/0x900 [ 397.711312] ? __switch_to_asm+0x34/0x70 [ 397.715408] ? preempt_notifier_register+0x200/0x200 [ 397.720522] ? __switch_to_asm+0x34/0x70 [ 397.724581] ? __switch_to_asm+0x40/0x70 [ 397.728640] ? __switch_to_asm+0x34/0x70 [ 397.732704] ? __switch_to_asm+0x40/0x70 [ 397.736768] ? __switch_to_asm+0x34/0x70 [ 397.740828] ? __switch_to_asm+0x40/0x70 [ 397.744888] ? __switch_to_asm+0x40/0x70 [ 397.748968] ? pvclock_read_flags+0x160/0x160 [ 397.753466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.759012] ? check_preemption_disabled+0x48/0x200 [ 397.764042] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.769322] ? rcu_pm_notify+0xc0/0xc0 [ 397.773227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.778766] ? check_preemption_disabled+0x48/0x200 [ 397.783794] run_timer_softirq+0x52/0xb0 [ 397.787862] ? rcu_read_lock_sched_held+0x108/0x120 [ 397.792886] __do_softirq+0x30b/0xad8 [ 397.796706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.801811] ? trace_hardirqs_off_caller+0x300/0x300 [ 397.806918] ? retint_kernel+0x1b/0x2d [ 397.810822] ? schedule+0x108/0x460 [ 397.814458] ? __schedule+0x1ed0/0x1ed0 [ 397.818461] ? trace_hardirqs_off+0xb8/0x300 [ 397.822891] ? ___might_sleep+0x1ed/0x300 [ 397.827048] ? smpboot_thread_fn+0x68b/0xa00 [ 397.831458] ? trace_hardirqs_on+0x310/0x310 [ 397.835911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.841446] ? check_preemption_disabled+0x48/0x200 [ 397.846471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.852035] ? takeover_tasklets+0xa90/0xa90 [ 397.856450] run_ksoftirqd+0x94/0x100 [ 397.860268] smpboot_thread_fn+0x68b/0xa00 [ 397.864516] ? sort_range+0x30/0x30 [ 397.868148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.873249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.878789] ? __kthread_parkme+0xfb/0x1a0 [ 397.883064] kthread+0x35a/0x420 [ 397.886441] ? sort_range+0x30/0x30 [ 397.890068] ? kthread_bind+0x40/0x40 [ 397.893872] ret_from_fork+0x3a/0x50 [ 397.897618] warn_alloc_show_mem: 1 callbacks suppressed [ 397.897630] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 397.897632] Mem-Info: [ 397.897666] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 397.897666] active_file:18 inactive_file:31 isolated_file:0 [ 397.897666] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.897666] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 397.897666] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 397.897666] free:13670 free_pcp:352 free_cma:0 [ 397.903020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.910295] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.912696] Call Trace: [ 397.945742] Node 0 [ 397.955099] [ 397.983041] 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 [ 397.985620] dump_stack+0x1c4/0x2b4 [ 397.987823] lowmem_reserve[]: [ 397.989975] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.015923] 0 2815 [ 398.019579] warn_alloc.cold.118+0xb7/0x1bd [ 398.022650] 6318 [ 398.027835] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.030051] 6318 [ 398.034366] ? lock_downgrade+0x900/0x900 [ 398.036413] Node 0 [ 398.041257] ? trace_hardirqs_off+0xb8/0x300 [ 398.043315] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 398.047441] ? trace_hardirqs_off+0xb8/0x300 [ 398.049646] lowmem_reserve[]: 0 [ 398.054065] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.080752] 0 3503 [ 398.085196] ? warn_alloc+0x120/0x120 [ 398.088427] 3503 [ 398.093264] ? trace_hardirqs_on+0x310/0x310 [ 398.099276] ? warn_alloc+0x120/0x120 [ 398.101316] Node 0 [ 398.106169] ? print_usage_bug+0xc0/0xc0 [ 398.109979] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 398.112228] ? warn_alloc+0x120/0x120 [ 398.116260] lowmem_reserve[]: 0 [ 398.144900] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.148680] 0 [ 398.151960] ? print_usage_bug+0xc0/0xc0 [ 398.156947] 0 0 [ 398.158758] ? __lock_acquire+0x7ec/0x4ec0 [ 398.164768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.168979] Node 0 [ 398.174530] ? should_fail+0x22d/0xd01 [ 398.174534] DMA: 1*4kB [ 398.176773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.180646] (U) [ 398.183228] ? __lock_acquire+0x7ec/0x4ec0 [ 398.188324] 0*8kB [ 398.190327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.194538] 0*16kB [ 398.196690] ? __lock_acquire+0x7ec/0x4ec0 [ 398.196707] ? should_fail+0x22d/0xd01 [ 398.201789] 1*32kB (U) [ 398.204030] ? print_usage_bug+0xc0/0xc0 [ 398.208243] 2*64kB [ 398.212129] ? mark_held_locks+0x130/0x130 [ 398.214685] (U) [ 398.218740] ? mark_held_locks+0x130/0x130 [ 398.220959] 1*128kB [ 398.225195] ? graph_lock+0x170/0x170 [ 398.227139] (U) 1*256kB [ 398.231385] ? print_usage_bug+0xc0/0xc0 [ 398.233690] (U) [ 398.237505] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.240141] 0*512kB [ 398.244198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.246148] 1*1024kB [ 398.250899] ? check_preemption_disabled+0x48/0x200 [ 398.253204] (U) [ 398.258736] ? check_preemption_disabled+0x48/0x200 [ 398.261160] 1*2048kB [ 398.266178] ? __lock_is_held+0xb5/0x140 [ 398.268130] (M) [ 398.273146] __alloc_pages_nodemask+0xa80/0xde0 [ 398.275531] 3*4096kB [ 398.279594] ? graph_lock+0x170/0x170 [ 398.281561] (M) [ 398.286233] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.288623] = 15908kB [ 398.292422] ? graph_lock+0x170/0x170 [ 398.294392] Node 0 [ 398.299454] ? find_held_lock+0x36/0x1c0 [ 398.301835] DMA32: [ 398.305642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.307854] 4*4kB [ 398.311906] ? lock_downgrade+0x900/0x900 [ 398.314124] (UM) [ 398.318800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.320928] 1*8kB [ 398.325071] cache_grow_begin+0x91/0x8c0 [ 398.327109] (M) [ 398.332647] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.334779] 3*16kB (M) [ 398.338850] fallback_alloc+0x203/0x2e0 [ 398.340802] 3*32kB [ 398.345225] ____cache_alloc_node+0x1c7/0x1e0 [ 398.347783] (M) [ 398.351769] kmem_cache_alloc_node+0xe3/0x730 [ 398.353982] 1*64kB [ 398.358487] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.360448] (M) [ 398.364950] __alloc_skb+0x119/0x770 [ 398.367149] 3*128kB (UM) [ 398.371411] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.373357] 3*256kB [ 398.377066] ? skb_scrub_packet+0x490/0x490 [ 398.379800] (UM) [ 398.385072] ? lock_downgrade+0x900/0x900 [ 398.387371] 4*512kB [ 398.391688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.393722] (UM) [ 398.397871] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.400166] 3*1024kB [ 398.405699] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.407737] (M) [ 398.413210] ? addrconf_rs_timer+0x6f0/0x6f0 [ 398.415594] 3*2048kB (M) [ 398.421064] ndisc_alloc_skb+0x144/0x340 [ 398.423008] 3*4096kB [ 398.427419] ndisc_send_rs+0x331/0x6e0 [ 398.430150] (M) [ 398.434208] addrconf_rs_timer+0x3c0/0x6f0 [ 398.436598] = 24936kB [ 398.440482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.442437] Node 0 [ 398.446679] call_timer_fn+0x272/0x920 [ 398.449060] Normal: [ 398.453313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.455528] 1267*4kB [ 398.459427] ? process_timeout+0x40/0x40 [ 398.461738] (UMEH) [ 398.465996] ? find_held_lock+0x36/0x1c0 [ 398.468383] 430*8kB [ 398.472442] ? __run_timers+0x7da/0xc70 [ 398.474651] (UMEH) [ 398.478717] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.481016] 212*16kB [ 398.484985] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.487199] (UMEH) [ 398.491694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.494083] 35*32kB [ 398.498589] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 398.500802] (MH) [ 398.505035] ? trace_hardirqs_on+0xbd/0x310 [ 398.507333] 9*64kB [ 398.511920] ? kasan_check_read+0x11/0x20 [ 398.513959] (MH) [ 398.518296] ? __run_timers+0x7da/0xc70 [ 398.520505] 1*128kB (H) [ 398.524658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.526700] 1*256kB [ 398.530671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.533321] (H) [ 398.538767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.541071] 0*512kB 0*1024kB [ 398.545312] __run_timers+0x7e5/0xc70 [ 398.547265] 0*2048kB [ 398.551529] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.554590] 0*4096kB = 13980kB [ 398.558425] ? check_preemption_disabled+0x48/0x200 [ 398.560842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.566199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.569372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.574413] ? rcu_irq_exit+0xce/0x100 [ 398.583214] 4516 total pagecache pages [ 398.588750] ? irq_exit+0xbd/0x1c0 [ 398.597304] 0 pages in swap cache [ 398.601197] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.605076] Swap cache stats: add 0, delete 0, find 0/0 [ 398.608611] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.612037] Free swap = 0kB [ 398.617049] ? retint_kernel+0x2d/0x2d [ 398.622387] Total swap = 0kB [ 398.627148] ? trace_hardirqs_on_caller+0xc0/0x300 [ 398.630141] 1965979 pages RAM [ 398.634027] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.637016] 0 pages HighMem/MovableOnly [ 398.637026] 343324 pages reserved [ 398.641949] ? trace_hardirqs_off_caller+0x300/0x300 [ 398.645033] 0 pages cma reserved [ 398.649789] ? graph_lock+0x170/0x170 [ 398.653854] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.657186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.662383] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.665632] ? check_preemption_disabled+0x48/0x200 [ 398.669405] ksoftirqd/0 cpuset=/ [ 398.675913] ? __lock_is_held+0xb5/0x140 [ 398.681431] mems_allowed=0 [ 398.691736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.712579] ? check_preemption_disabled+0x48/0x200 [ 398.717610] run_timer_softirq+0x52/0xb0 [ 398.721678] ? rcu_read_lock_sched_held+0x108/0x120 [ 398.726701] __do_softirq+0x30b/0xad8 [ 398.730524] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 398.735634] ? pvclock_read_flags+0x160/0x160 [ 398.740130] ? lapic_next_event+0x5a/0x90 [ 398.744283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.749818] ? check_preemption_disabled+0x48/0x200 [ 398.754843] ? check_preemption_disabled+0x48/0x200 [ 398.759917] ? kvm_clock_read+0x18/0x30 [ 398.763895] ? kvm_sched_clock_read+0x9/0x20 [ 398.768308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.773846] ? check_preemption_disabled+0x48/0x200 [ 398.778891] irq_exit+0x17f/0x1c0 [ 398.782353] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.787194] ? smp_reschedule_interrupt+0x109/0x650 [ 398.792213] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.798100] ? interrupt_entry+0xb5/0xf0 [ 398.802172] ? trace_hardirqs_off_caller+0xbb/0x300 [ 398.807188] ? trace_hardirqs_off_caller+0xbb/0x300 [ 398.812210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.817053] ? trace_hardirqs_off+0x300/0x300 [ 398.821552] ? trace_hardirqs_off+0x300/0x300 [ 398.826050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.831592] ? check_preemption_disabled+0x48/0x200 [ 398.836609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.842156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.847011] apic_timer_interrupt+0xf/0x20 [ 398.851242] [ 398.853487] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.858438] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 398.877340] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 398.885054] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.892324] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 398.899589] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 398.906882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.914152] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 398.921481] skb_clone+0x1bb/0x500 [ 398.925034] ? skb_split+0x11e0/0x11e0 [ 398.928933] ? preempt_notifier_register+0x200/0x200 [ 398.934039] ? __switch_to_asm+0x34/0x70 [ 398.938108] ? __switch_to_asm+0x34/0x70 [ 398.942167] ? __switch_to_asm+0x40/0x70 [ 398.946248] ? __switch_to_asm+0x34/0x70 [ 398.950314] ? __switch_to_asm+0x40/0x70 [ 398.954376] ? __switch_to_asm+0x40/0x70 [ 398.958441] ? __switch_to_asm+0x34/0x70 [ 398.962531] ? __switch_to_asm+0x34/0x70 [ 398.966612] ? __switch_to_asm+0x40/0x70 [ 398.970667] ? __switch_to_asm+0x34/0x70 [ 398.974743] bpf_clone_redirect+0xb9/0x490 [ 398.978992] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 398.984025] ? __sched_text_start+0x8/0x8 [ 398.988180] ? retint_kernel+0x2d/0x2d [ 398.992084] ? find_held_lock+0x36/0x1c0 [ 398.996154] ? lock_acquire+0x1ed/0x520 [ 399.000132] ? bpf_test_run+0x32e/0x5a0 [ 399.004114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.009655] ? check_preemption_disabled+0x48/0x200 [ 399.014701] ? kasan_check_read+0x11/0x20 [ 399.018868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.024153] ? rcu_bh_qs+0xc0/0xc0 [ 399.027697] ? preempt_schedule+0x4d/0x60 [ 399.031853] ? ___preempt_schedule+0x16/0x18 [ 399.036278] ? bpf_test_run+0x1c0/0x5a0 [ 399.040265] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.044676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.050236] ? bpf_test_init.isra.9+0x70/0x100 [ 399.054825] ? bpf_prog_test_run_skb+0x634/0xb40 [ 399.059591] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.064446] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.069986] ? fput+0x130/0x1a0 [ 399.073273] ? __bpf_prog_get+0x9b/0x290 [ 399.077337] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.082184] ? bpf_prog_test_run+0x130/0x1a0 [ 399.086598] ? __x64_sys_bpf+0x3d8/0x510 [ 399.091009] ? bpf_prog_get+0x20/0x20 [ 399.094835] ? do_syscall_64+0x1b9/0x820 [ 399.098906] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.104299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.109255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.114103] ? trace_hardirqs_off+0x300/0x300 [ 399.118598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.123628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.129167] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.134189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.139047] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.144439] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 399.144570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.151202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.151207] Call Trace: [ 399.151231] dump_stack+0x1c4/0x2b4 [ 399.151253] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.157831] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.167112] warn_alloc.cold.118+0xb7/0x1bd [ 399.169668] syz-executor1 cpuset= [ 399.173291] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.178469] syz1 [ 399.188953] ? lock_downgrade+0x900/0x900 [ 399.193279] mems_allowed=0 [ 399.196739] ? trace_hardirqs_off+0xb8/0x300 [ 399.214971] ? trace_hardirqs_off+0xb8/0x300 [ 399.219412] __alloc_pages_slowpath+0x2667/0x2d80 [ 399.224292] ? mark_held_locks+0x130/0x130 [ 399.228534] ? warn_alloc+0x120/0x120 [ 399.232356] ? warn_alloc+0x120/0x120 [ 399.236182] ? print_usage_bug+0xc0/0xc0 [ 399.240271] ? warn_alloc+0x120/0x120 [ 399.244075] ? print_usage_bug+0xc0/0xc0 [ 399.248141] ? __lock_acquire+0x7ec/0x4ec0 [ 399.252383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.257932] ? should_fail+0x22d/0xd01 [ 399.261825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.266930] ? __lock_acquire+0x7ec/0x4ec0 [ 399.271174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.276313] ? __lock_acquire+0x7ec/0x4ec0 [ 399.280551] ? should_fail+0x22d/0xd01 [ 399.284438] ? print_usage_bug+0xc0/0xc0 [ 399.288511] ? mark_held_locks+0x130/0x130 [ 399.292755] ? mark_held_locks+0x130/0x130 [ 399.297002] ? graph_lock+0x170/0x170 [ 399.300800] ? print_usage_bug+0xc0/0xc0 [ 399.304864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.309624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.315161] ? check_preemption_disabled+0x48/0x200 [ 399.320177] ? check_preemption_disabled+0x48/0x200 [ 399.325223] ? __lock_is_held+0xb5/0x140 [ 399.329294] __alloc_pages_nodemask+0xa80/0xde0 [ 399.333969] ? graph_lock+0x170/0x170 [ 399.337776] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.342790] ? graph_lock+0x170/0x170 [ 399.346643] ? find_held_lock+0x36/0x1c0 [ 399.350721] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.355396] ? lock_downgrade+0x900/0x900 [ 399.359558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.365157] cache_grow_begin+0x91/0x8c0 [ 399.369248] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.373678] fallback_alloc+0x203/0x2e0 [ 399.377658] ____cache_alloc_node+0x1c7/0x1e0 [ 399.382159] kmem_cache_alloc_node+0xe3/0x730 [ 399.386660] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.390904] __alloc_skb+0x119/0x770 [ 399.394641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.399930] ? skb_scrub_packet+0x490/0x490 [ 399.404255] ? lock_downgrade+0x900/0x900 [ 399.408416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.413958] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.419413] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.424872] ? addrconf_rs_timer+0x6f0/0x6f0 [ 399.429301] ndisc_alloc_skb+0x144/0x340 [ 399.433374] ndisc_send_rs+0x331/0x6e0 [ 399.437273] addrconf_rs_timer+0x3c0/0x6f0 [ 399.441517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.445773] call_timer_fn+0x272/0x920 [ 399.449665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.453909] ? process_timeout+0x40/0x40 [ 399.457971] ? find_held_lock+0x36/0x1c0 [ 399.462046] ? __run_timers+0x7da/0xc70 [ 399.466025] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.470537] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.475034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.479273] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.483862] ? trace_hardirqs_on+0xbd/0x310 [ 399.488183] ? kasan_check_read+0x11/0x20 [ 399.492334] ? __run_timers+0x7da/0xc70 [ 399.496310] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.501780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.506022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.510346] __run_timers+0x7e5/0xc70 [ 399.514176] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.519538] ? compat_start_thread+0x80/0x80 [ 399.523966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.529513] ? _raw_spin_unlock_irq+0x60/0x80 [ 399.534026] ? finish_task_switch+0x1f5/0x900 [ 399.538523] ? finish_task_switch+0x1b5/0x900 [ 399.543023] ? __switch_to_asm+0x34/0x70 [ 399.547089] ? preempt_notifier_register+0x200/0x200 [ 399.552194] ? __switch_to_asm+0x34/0x70 [ 399.556279] ? __switch_to_asm+0x40/0x70 [ 399.560336] ? __switch_to_asm+0x34/0x70 [ 399.564404] ? __switch_to_asm+0x40/0x70 [ 399.568467] ? __switch_to_asm+0x34/0x70 [ 399.572527] ? __switch_to_asm+0x40/0x70 [ 399.576591] ? __switch_to_asm+0x40/0x70 [ 399.580660] ? pvclock_read_flags+0x160/0x160 [ 399.585169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.590705] ? check_preemption_disabled+0x48/0x200 [ 399.595732] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.601013] ? rcu_pm_notify+0xc0/0xc0 [ 399.604906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.610458] ? check_preemption_disabled+0x48/0x200 [ 399.615486] run_timer_softirq+0x52/0xb0 [ 399.619549] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.624566] __do_softirq+0x30b/0xad8 [ 399.628397] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.633501] ? trace_hardirqs_off_caller+0x300/0x300 [ 399.638603] ? retint_kernel+0x1b/0x2d [ 399.642498] ? schedule+0x108/0x460 [ 399.646132] ? __schedule+0x1ed0/0x1ed0 [ 399.650111] ? trace_hardirqs_off+0xb8/0x300 [ 399.654521] ? ___might_sleep+0x1ed/0x300 [ 399.658668] ? smpboot_thread_fn+0x68b/0xa00 [ 399.663083] ? trace_hardirqs_on+0x310/0x310 [ 399.667497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.673049] ? check_preemption_disabled+0x48/0x200 [ 399.678070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.683611] ? takeover_tasklets+0xa90/0xa90 [ 399.688022] run_ksoftirqd+0x94/0x100 [ 399.691861] smpboot_thread_fn+0x68b/0xa00 [ 399.696100] ? sort_range+0x30/0x30 [ 399.699732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.704836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.710378] ? __kthread_parkme+0xfb/0x1a0 [ 399.714624] kthread+0x35a/0x420 [ 399.717991] ? sort_range+0x30/0x30 [ 399.721616] ? kthread_bind+0x40/0x40 [ 399.725428] ret_from_fork+0x3a/0x50 [ 399.729158] warn_alloc_show_mem: 1 callbacks suppressed [ 399.729171] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 399.729173] Mem-Info: [ 399.729207] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 399.729207] active_file:18 inactive_file:31 isolated_file:0 [ 399.729207] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.729207] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 399.729207] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 399.729207] free:13670 free_pcp:352 free_cma:0 [ 399.734541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.734550] Call Trace: [ 399.741830] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.744239] [ 399.777313] Node 0 [ 399.786666] dump_stack+0x1c4/0x2b4 [ 399.789266] 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 [ 399.817179] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.819305] lowmem_reserve[]: 0 [ 399.821557] warn_alloc.cold.118+0xb7/0x1bd [ 399.825155] 2815 [ 399.850650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.855815] 6318 [ 399.859121] ? lock_downgrade+0x900/0x900 [ 399.863420] 6318 [ 399.865538] ? trace_hardirqs_off+0xb8/0x300 [ 399.872411] ? trace_hardirqs_off+0xb8/0x300 [ 399.876532] Node 0 [ 399.878604] __alloc_pages_slowpath+0x2667/0x2d80 [ 399.883012] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 399.887421] ? warn_alloc+0x120/0x120 [ 399.889602] lowmem_reserve[]: 0 [ 399.894450] ? warn_alloc+0x120/0x120 [ 399.921141] 0 3503 [ 399.924950] ? print_usage_bug+0xc0/0xc0 [ 399.928207] 3503 [ 399.932006] ? warn_alloc+0x120/0x120 [ 399.934235] Node 0 [ 399.938299] ? print_usage_bug+0xc0/0xc0 [ 399.940364] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 399.944139] ? __lock_acquire+0x7ec/0x4ec0 [ 399.946352] lowmem_reserve[]: [ 399.950429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.979025] 0 0 [ 399.983295] ? should_fail+0x22d/0xd01 [ 399.986366] 0 0 [ 399.991909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.998231] ? __lock_acquire+0x7ec/0x4ec0 [ 399.998243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.998250] ? __lock_acquire+0x7ec/0x4ec0 [ 399.998257] ? should_fail+0x22d/0xd01 [ 399.998270] ? mark_held_locks+0x130/0x130 [ 399.998280] ? mark_held_locks+0x130/0x130 [ 399.998289] ? graph_lock+0x170/0x170 [ 399.998296] ? graph_lock+0x170/0x170 [ 399.998305] ? graph_lock+0x170/0x170 [ 399.998313] ? print_usage_bug+0xc0/0xc0 [ 399.998322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.998330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.998338] ? check_preemption_disabled+0x48/0x200 [ 399.998345] ? check_preemption_disabled+0x48/0x200 [ 399.998359] ? __lock_is_held+0xb5/0x140 [ 399.998372] __alloc_pages_nodemask+0xa80/0xde0 [ 399.998380] ? graph_lock+0x170/0x170 [ 399.998410] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.998417] ? graph_lock+0x170/0x170 [ 399.998431] ? find_held_lock+0x36/0x1c0 [ 399.998447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.998455] ? lock_downgrade+0x900/0x900 [ 399.998466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.998477] cache_grow_begin+0x91/0x8c0 [ 399.998486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.998498] fallback_alloc+0x203/0x2e0 [ 399.998509] ____cache_alloc_node+0x1c7/0x1e0 [ 399.998520] kmem_cache_alloc_node+0xe3/0x730 [ 399.998531] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.998546] __alloc_skb+0x119/0x770 [ 399.998557] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.998567] ? skb_scrub_packet+0x490/0x490 [ 399.998574] ? lock_downgrade+0x900/0x900 [ 399.998585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.998596] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.998606] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.998614] ? addrconf_rs_timer+0x6f0/0x6f0 [ 399.998629] ndisc_alloc_skb+0x144/0x340 [ 399.998639] ndisc_send_rs+0x331/0x6e0 [ 399.998651] addrconf_rs_timer+0x3c0/0x6f0 [ 399.998662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.998678] call_timer_fn+0x272/0x920 [ 399.998686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.998694] ? process_timeout+0x40/0x40 [ 399.998700] ? find_held_lock+0x36/0x1c0 [ 399.998713] ? __run_timers+0x7da/0xc70 [ 399.998724] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.998731] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.998738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.998746] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.998755] ? trace_hardirqs_on+0xbd/0x310 [ 399.998761] ? kasan_check_read+0x11/0x20 [ 399.998769] ? __run_timers+0x7da/0xc70 [ 399.998777] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.998787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.998798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.998805] __run_timers+0x7e5/0xc70 [ 399.998820] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.998826] ? check_preemption_disabled+0x48/0x200 [ 399.998833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.998844] ? rcu_irq_exit+0xce/0x100 [ 399.998853] ? irq_exit+0xbd/0x1c0 [ 399.998861] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 399.998872] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.998881] ? retint_kernel+0x2d/0x2d [ 399.998888] ? trace_hardirqs_on_caller+0xc0/0x300 [ 399.998896] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.998920] ? trace_hardirqs_off_caller+0x300/0x300 [ 399.998934] ? graph_lock+0x170/0x170 [ 399.998955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.000921] Node 0 [ 400.006022] ? check_preemption_disabled+0x48/0x200 [ 400.010237] DMA: [ 400.015341] ? __lock_is_held+0xb5/0x140 [ 400.019546] 1*4kB [ 400.023429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.027677] (U) [ 400.031914] ? check_preemption_disabled+0x48/0x200 [ 400.031936] run_timer_softirq+0x52/0xb0 [ 400.035712] 0*8kB [ 400.039516] ? rcu_read_lock_sched_held+0x108/0x120 [ 400.039533] __do_softirq+0x30b/0xad8 [ 400.043325] 0*16kB [ 400.047386] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.052896] 1*32kB [ 400.058433] ? pvclock_read_flags+0x160/0x160 [ 400.063435] (U) [ 400.068447] ? lapic_next_event+0x5a/0x90 [ 400.072484] 2*64kB [ 400.077164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.080956] (U) [ 400.085966] ? check_preemption_disabled+0x48/0x200 [ 400.089744] 1*128kB [ 400.093801] ? check_preemption_disabled+0x48/0x200 [ 400.098445] (U) [ 400.102594] ? kvm_clock_read+0x18/0x30 [ 400.108262] 1*256kB (U) [ 400.112334] ? kvm_sched_clock_read+0x9/0x20 [ 400.116739] 0*512kB [ 400.120710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.125181] 1*1024kB [ 400.129685] ? check_preemption_disabled+0x48/0x200 [ 400.133907] (U) [ 400.137636] irq_exit+0x17f/0x1c0 [ 400.142881] 1*2048kB [ 400.147200] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.151316] (M) [ 400.156849] ? smp_reschedule_interrupt+0x109/0x650 [ 400.162278] 3*4096kB [ 400.167724] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.172105] (M) [ 400.176160] ? interrupt_entry+0xb5/0xf0 [ 400.180024] = 15908kB [ 400.184259] ? trace_hardirqs_off_caller+0xbb/0x300 [ 400.188480] Node 0 [ 400.192364] ? trace_hardirqs_off_caller+0xbb/0x300 [ 400.196577] DMA32: [ 400.200650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.204684] 4*4kB [ 400.208675] ? trace_hardirqs_off+0x300/0x300 [ 400.213145] (UM) [ 400.217637] ? trace_hardirqs_off+0x300/0x300 [ 400.221851] 1*8kB [ 400.226432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.230729] (M) [ 400.234876] ? check_preemption_disabled+0x48/0x200 [ 400.238827] 3*16kB [ 400.244296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.248515] (M) [ 400.252750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.256529] 3*32kB [ 400.261894] apic_timer_interrupt+0xf/0x20 [ 400.266885] (M) [ 400.272414] [ 400.276285] 1*64kB [ 400.279824] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.284825] (M) [ 400.289574] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 400.293443] 3*128kB [ 400.298353] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 400.303113] (UM) [ 400.308204] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.311985] 3*256kB [ 400.317505] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 400.317518] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 400.319751] (UM) [ 400.324751] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 400.324764] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 400.326819] 4*512kB [ 400.330925] skb_clone+0x1bb/0x500 [ 400.333001] (UM) [ 400.338545] ? skb_split+0x11e0/0x11e0 [ 400.340505] 3*1024kB [ 400.345524] ? preempt_notifier_register+0x200/0x200 [ 400.349565] (M) [ 400.351728] ? __switch_to_asm+0x34/0x70 [ 400.356713] 3*2048kB (M) [ 400.360523] ? __switch_to_asm+0x34/0x70 [ 400.362738] 3*4096kB [ 400.367836] ? __switch_to_asm+0x40/0x70 [ 400.370053] (M) [ 400.374547] ? __switch_to_asm+0x34/0x70 [ 400.376506] = 24936kB [ 400.380641] ? __switch_to_asm+0x40/0x70 [ 400.382872] Node 0 [ 400.388405] ? __switch_to_asm+0x40/0x70 [ 400.390354] Normal: [ 400.395364] ? __switch_to_asm+0x34/0x70 [ 400.397669] 1267*4kB [ 400.402689] ? __switch_to_asm+0x34/0x70 [ 400.404646] (UMEH) [ 400.408613] ? __switch_to_asm+0x40/0x70 [ 400.411268] 430*8kB [ 400.415672] ? __switch_to_asm+0x34/0x70 [ 400.417978] (UMEH) [ 400.423526] bpf_clone_redirect+0xb9/0x490 [ 400.425909] 212*16kB [ 400.430928] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 400.432877] (UMEH) [ 400.436328] ? __sched_text_start+0x8/0x8 [ 400.438712] 35*32kB [ 400.443563] ? retint_kernel+0x2d/0x2d [ 400.445522] (MH) [ 400.450556] ? find_held_lock+0x36/0x1c0 [ 400.452943] 9*64kB [ 400.458825] ? lock_acquire+0x1ed/0x520 [ 400.460773] (MH) [ 400.464831] ? bpf_test_run+0x32e/0x5a0 [ 400.467221] 1*128kB [ 400.472235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.474444] (H) [ 400.479456] ? check_preemption_disabled+0x48/0x200 [ 400.481671] 1*256kB [ 400.486518] ? kasan_check_read+0x11/0x20 [ 400.488647] (H) [ 400.493144] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.495180] 0*512kB [ 400.499667] ? rcu_bh_qs+0xc0/0xc0 [ 400.501790] 0*1024kB 0*2048kB [ 400.507333] ? preempt_schedule+0x4d/0x60 [ 400.509285] 0*4096kB [ 400.514299] ? ___preempt_schedule+0x16/0x18 [ 400.516536] = 13980kB [ 400.522071] ? bpf_test_run+0x1c0/0x5a0 [ 400.524027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.528871] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.531087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.535313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.537263] 4516 total pagecache pages [ 400.539494] ? bpf_test_init.isra.9+0x70/0x100 [ 400.541721] 0 pages in swap cache [ 400.546655] ? bpf_prog_test_run_skb+0x634/0xb40 [ 400.548618] Swap cache stats: add 0, delete 0, find 0/0 [ 400.567523] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 400.569828] Free swap = 0kB [ 400.577543] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.579587] Total swap = 0kB [ 400.586858] ? fput+0x130/0x1a0 [ 400.589160] 1965979 pages RAM [ 400.596429] ? __bpf_prog_get+0x9b/0x290 [ 400.603674] 0 pages HighMem/MovableOnly [ 400.603683] 343324 pages reserved [ 400.605745] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 400.613007] 0 pages cma reserved [ 400.620271] ? bpf_prog_test_run+0x130/0x1a0 [ 400.622702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.626110] ? __x64_sys_bpf+0x3d8/0x510 [ 400.628325] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.632052] ? bpf_prog_get+0x20/0x20 [ 400.634447] ksoftirqd/0 cpuset= [ 400.639559] ? do_syscall_64+0x1b9/0x820 [ 400.641508] / [ 400.645560] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.648298] mems_allowed=0 [ 400.652353] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.945143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.950000] ? trace_hardirqs_off+0x300/0x300 [ 400.954503] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.959526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.965065] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.970088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.974949] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.980359] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 400.980471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.987119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.987129] Call Trace: [ 400.993793] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.002983] dump_stack+0x1c4/0x2b4 [ 401.005548] syz-executor1 cpuset= [ 401.016041] ? dump_stack_print_info.cold.2+0x52/0x52 [ 401.019648] syz1 [ 401.023123] warn_alloc.cold.118+0xb7/0x1bd [ 401.028279] mems_allowed=0 [ 401.030247] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.042290] ? lock_downgrade+0x900/0x900 [ 401.046452] ? trace_hardirqs_off+0xb8/0x300 [ 401.050868] ? trace_hardirqs_off+0xb8/0x300 [ 401.055290] __alloc_pages_slowpath+0x2667/0x2d80 [ 401.060165] ? warn_alloc+0x120/0x120 [ 401.063984] ? warn_alloc+0x120/0x120 [ 401.067785] ? print_usage_bug+0xc0/0xc0 [ 401.071860] ? warn_alloc+0x120/0x120 [ 401.075662] ? print_usage_bug+0xc0/0xc0 [ 401.079726] ? __lock_acquire+0x7ec/0x4ec0 [ 401.083968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.089519] ? should_fail+0x22d/0xd01 [ 401.093428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.098539] ? __lock_acquire+0x7ec/0x4ec0 [ 401.102794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.107895] ? __lock_acquire+0x7ec/0x4ec0 [ 401.112149] ? should_fail+0x22d/0xd01 [ 401.116049] ? mark_held_locks+0x130/0x130 [ 401.120292] ? mark_held_locks+0x130/0x130 [ 401.124562] ? graph_lock+0x170/0x170 [ 401.128361] ? print_usage_bug+0xc0/0xc0 [ 401.132427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.137964] ? check_preemption_disabled+0x48/0x200 [ 401.142982] ? check_preemption_disabled+0x48/0x200 [ 401.148014] ? __lock_is_held+0xb5/0x140 [ 401.152097] __alloc_pages_nodemask+0xa80/0xde0 [ 401.156782] ? graph_lock+0x170/0x170 [ 401.160588] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.165606] ? graph_lock+0x170/0x170 [ 401.169423] ? find_held_lock+0x36/0x1c0 [ 401.173516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.178189] ? lock_downgrade+0x900/0x900 [ 401.182350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.187896] cache_grow_begin+0x91/0x8c0 [ 401.191965] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.196384] fallback_alloc+0x203/0x2e0 [ 401.200375] ____cache_alloc_node+0x1c7/0x1e0 [ 401.204877] kmem_cache_alloc_node+0xe3/0x730 [ 401.209392] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.213643] __alloc_skb+0x119/0x770 [ 401.217399] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.222681] ? skb_scrub_packet+0x490/0x490 [ 401.226999] ? lock_downgrade+0x900/0x900 [ 401.231172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.236737] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.242196] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.247663] ? addrconf_rs_timer+0x6f0/0x6f0 [ 401.252086] ndisc_alloc_skb+0x144/0x340 [ 401.256154] ndisc_send_rs+0x331/0x6e0 [ 401.260067] addrconf_rs_timer+0x3c0/0x6f0 [ 401.264313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.268563] call_timer_fn+0x272/0x920 [ 401.272450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.276685] ? process_timeout+0x40/0x40 [ 401.280757] ? find_held_lock+0x36/0x1c0 [ 401.284827] ? __run_timers+0x7da/0xc70 [ 401.288815] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.293320] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.297813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.302048] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.306637] ? trace_hardirqs_on+0xbd/0x310 [ 401.310960] ? kasan_check_read+0x11/0x20 [ 401.315115] ? __run_timers+0x7da/0xc70 [ 401.319090] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.324549] ? work_on_cpu_safe+0x90/0x90 [ 401.328700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.332933] __run_timers+0x7e5/0xc70 [ 401.336748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.342116] ? compat_start_thread+0x80/0x80 [ 401.346536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.352079] ? _raw_spin_unlock_irq+0x60/0x80 [ 401.356580] ? finish_task_switch+0x1f5/0x900 [ 401.361091] ? finish_task_switch+0x1b5/0x900 [ 401.365615] ? __switch_to_asm+0x34/0x70 [ 401.369693] ? preempt_notifier_register+0x200/0x200 [ 401.374796] ? __switch_to_asm+0x34/0x70 [ 401.378893] ? __switch_to_asm+0x40/0x70 [ 401.382962] ? __switch_to_asm+0x34/0x70 [ 401.387024] ? __switch_to_asm+0x40/0x70 [ 401.391085] ? __switch_to_asm+0x34/0x70 [ 401.395147] ? __switch_to_asm+0x40/0x70 [ 401.399205] ? __switch_to_asm+0x40/0x70 [ 401.403277] ? pvclock_read_flags+0x160/0x160 [ 401.407779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.413321] ? check_preemption_disabled+0x48/0x200 [ 401.418364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.423648] ? rcu_pm_notify+0xc0/0xc0 [ 401.427542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.433084] ? check_preemption_disabled+0x48/0x200 [ 401.438109] run_timer_softirq+0x52/0xb0 [ 401.442194] ? rcu_read_lock_sched_held+0x108/0x120 [ 401.447230] __do_softirq+0x30b/0xad8 [ 401.451047] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.456152] ? trace_hardirqs_off_caller+0x300/0x300 [ 401.461253] ? retint_kernel+0x1b/0x2d [ 401.465151] ? schedule+0x108/0x460 [ 401.468786] ? __schedule+0x1ed0/0x1ed0 [ 401.472768] ? trace_hardirqs_off+0xb8/0x300 [ 401.477179] ? ___might_sleep+0x1ed/0x300 [ 401.481336] ? smpboot_thread_fn+0x68b/0xa00 [ 401.485746] ? trace_hardirqs_on+0x310/0x310 [ 401.490159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.495702] ? check_preemption_disabled+0x48/0x200 [ 401.500716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.506270] ? takeover_tasklets+0xa90/0xa90 [ 401.510678] run_ksoftirqd+0x94/0x100 [ 401.514483] smpboot_thread_fn+0x68b/0xa00 [ 401.518727] ? sort_range+0x30/0x30 [ 401.522360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.527461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.533005] ? __kthread_parkme+0xfb/0x1a0 [ 401.537261] kthread+0x35a/0x420 [ 401.540624] ? sort_range+0x30/0x30 [ 401.544251] ? kthread_bind+0x40/0x40 [ 401.548069] ret_from_fork+0x3a/0x50 [ 401.551806] warn_alloc_show_mem: 1 callbacks suppressed [ 401.551819] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 401.551822] Mem-Info: [ 401.551861] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 401.551861] active_file:18 inactive_file:31 isolated_file:0 [ 401.551861] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.551861] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 401.551861] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 401.551861] free:13670 free_pcp:352 free_cma:0 [ 401.557199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.564491] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.566889] Call Trace: [ 401.599936] Node 0 [ 401.609307] [ 401.637252] 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 [ 401.639818] dump_stack+0x1c4/0x2b4 [ 401.642020] lowmem_reserve[]: [ 401.644169] ? dump_stack_print_info.cold.2+0x52/0x52 [ 401.669651] 0 2815 [ 401.673312] warn_alloc.cold.118+0xb7/0x1bd [ 401.676380] 6318 [ 401.681571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.683810] 6318 [ 401.688159] ? lock_downgrade+0x900/0x900 [ 401.695043] ? trace_hardirqs_off+0xb8/0x300 [ 401.697074] Node 0 [ 401.701218] ? trace_hardirqs_off+0xb8/0x300 [ 401.705628] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 401.707839] __alloc_pages_slowpath+0x2667/0x2d80 [ 401.712234] lowmem_reserve[]: [ 401.739000] ? warn_alloc+0x120/0x120 [ 401.743795] 0 [ 401.746894] ? trace_hardirqs_on+0x310/0x310 [ 401.750675] 0 [ 401.752471] ? warn_alloc+0x120/0x120 [ 401.756858] 3503 [ 401.758658] ? print_usage_bug+0xc0/0xc0 [ 401.762428] 3503 [ 401.764483] ? warn_alloc+0x120/0x120 [ 401.770587] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.774360] Node 0 [ 401.779388] ? print_usage_bug+0xc0/0xc0 [ 401.779419] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 401.779427] lowmem_reserve[]: [ 401.781664] ? __lock_acquire+0x7ec/0x4ec0 [ 401.785700] 0 [ 401.814351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.817440] 0 [ 401.821679] ? should_fail+0x22d/0xd01 [ 401.823454] 0 [ 401.829000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.830771] 0 [ 401.834663] ? __lock_acquire+0x7ec/0x4ec0 [ 401.836440] Node 0 [ 401.841541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.843324] DMA: [ 401.847554] ? __lock_acquire+0x7ec/0x4ec0 [ 401.849769] 1*4kB [ 401.854863] ? should_fail+0x22d/0xd01 [ 401.856907] (U) [ 401.861145] ? print_usage_bug+0xc0/0xc0 [ 401.863294] 0*8kB 0*16kB [ 401.867212] ? mark_held_locks+0x130/0x130 [ 401.869155] 1*32kB (U) [ 401.873222] ? mark_held_locks+0x130/0x130 [ 401.875964] 2*64kB [ 401.880198] ? graph_lock+0x170/0x170 [ 401.882767] (U) [ 401.887011] ? print_usage_bug+0xc0/0xc0 [ 401.889241] 1*128kB [ 401.893037] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.894992] (U) [ 401.899053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.901355] 1*256kB [ 401.906105] ? check_preemption_disabled+0x48/0x200 [ 401.908063] (U) [ 401.913592] ? check_preemption_disabled+0x48/0x200 [ 401.913620] ? __lock_is_held+0xb5/0x140 [ 401.915918] 0*512kB [ 401.920938] __alloc_pages_nodemask+0xa80/0xde0 [ 401.922890] 1*1024kB [ 401.927900] ? graph_lock+0x170/0x170 [ 401.931946] (U) [ 401.934268] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.938918] 1*2048kB [ 401.941322] ? graph_lock+0x170/0x170 [ 401.945101] (M) [ 401.947078] ? find_held_lock+0x36/0x1c0 [ 401.952067] 3*4096kB [ 401.954481] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.958250] (M) [ 401.960223] ? lock_downgrade+0x900/0x900 [ 401.964264] = 15908kB [ 401.966674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.971324] Node 0 [ 401.973301] cache_grow_begin+0x91/0x8c0 [ 401.977429] DMA32: [ 401.979862] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.985377] 4*4kB [ 401.987621] fallback_alloc+0x203/0x2e0 [ 401.991660] (UM) [ 401.993894] ____cache_alloc_node+0x1c7/0x1e0 [ 401.998749] 1*8kB (M) [ 402.000916] kmem_cache_alloc_node+0xe3/0x730 [ 402.004871] 3*16kB [ 402.006935] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.011418] (M) [ 402.013918] __alloc_skb+0x119/0x770 [ 402.018387] 3*32kB [ 402.020643] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.024848] (M) [ 402.026816] ? skb_scrub_packet+0x490/0x490 [ 402.030509] 1*64kB [ 402.032751] ? lock_downgrade+0x900/0x900 [ 402.038005] (M) [ 402.040021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.044306] 3*128kB (UM) [ 402.046555] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.050674] 3*256kB [ 402.052642] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.058156] (UM) [ 402.060941] ? addrconf_rs_timer+0x6f0/0x6f0 [ 402.060982] ndisc_alloc_skb+0x144/0x340 [ 402.066400] 4*512kB [ 402.068725] ndisc_send_rs+0x331/0x6e0 [ 402.074149] (UM) [ 402.076210] addrconf_rs_timer+0x3c0/0x6f0 [ 402.080597] 3*1024kB [ 402.084658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.086954] (M) [ 402.090860] call_timer_fn+0x272/0x920 [ 402.092894] 3*2048kB [ 402.097131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.099517] (M) [ 402.103750] ? process_timeout+0x40/0x40 [ 402.105929] 3*4096kB (M) [ 402.109830] ? find_held_lock+0x36/0x1c0 [ 402.112220] = 24936kB [ 402.116453] ? __run_timers+0x7da/0xc70 [ 402.118413] Node 0 [ 402.122474] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.125206] Normal: [ 402.129263] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.131669] 1267*4kB [ 402.135637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.137848] (UMEH) [ 402.142340] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.144669] 430*8kB [ 402.149177] ? trace_hardirqs_on+0xbd/0x310 [ 402.151562] (UMEH) [ 402.155791] ? kasan_check_read+0x11/0x20 [ 402.158005] 212*16kB [ 402.162587] ? __run_timers+0x7da/0xc70 [ 402.164888] (UMEH) [ 402.169205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.171422] 35*32kB [ 402.175565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.177955] (MH) [ 402.181926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.184139] 9*64kB [ 402.189582] __run_timers+0x7e5/0xc70 [ 402.191883] (MH) [ 402.196126] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.198169] 1*128kB [ 402.202416] ? check_preemption_disabled+0x48/0x200 [ 402.204622] (H) [ 402.208423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.210454] 1*256kB (H) [ 402.215831] ? rcu_irq_exit+0xce/0x100 [ 402.218124] 0*512kB [ 402.223140] ? irq_exit+0xbd/0x1c0 [ 402.225090] 0*1024kB [ 402.230627] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 402.233264] 0*2048kB 0*4096kB [ 402.237216] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.239504] = 13980kB [ 402.239521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.243048] ? retint_kernel+0x2d/0x2d [ 402.245457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.250465] ? trace_hardirqs_on_caller+0xc0/0x300 [ 402.253636] 4516 total pagecache pages [ 402.258383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.260783] 0 pages in swap cache [ 402.269610] ? trace_hardirqs_off_caller+0x300/0x300 [ 402.273482] Swap cache stats: add 0, delete 0, find 0/0 [ 402.282057] ? graph_lock+0x170/0x170 [ 402.286964] Free swap = 0kB [ 402.290849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.295587] Total swap = 0kB [ 402.299035] ? check_preemption_disabled+0x48/0x200 [ 402.304113] 1965979 pages RAM [ 402.309474] ? __lock_is_held+0xb5/0x140 [ 402.313240] 0 pages HighMem/MovableOnly [ 402.313249] 343324 pages reserved [ 402.316275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.321782] 0 pages cma reserved [ 402.321920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.324804] ? check_preemption_disabled+0x48/0x200 [ 402.329930] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.332936] run_timer_softirq+0x52/0xb0 [ 402.336970] ksoftirqd/0 cpuset= [ 402.340943] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.344370] / [ 402.349906] __do_softirq+0x30b/0xad8 [ 402.353259] mems_allowed=0 [ 402.359752] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.400859] ? pvclock_read_flags+0x160/0x160 [ 402.405355] ? lapic_next_event+0x5a/0x90 [ 402.409528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.415068] ? check_preemption_disabled+0x48/0x200 [ 402.420088] ? check_preemption_disabled+0x48/0x200 [ 402.425117] ? kvm_clock_read+0x18/0x30 [ 402.429104] ? kvm_sched_clock_read+0x9/0x20 [ 402.433525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.439066] ? check_preemption_disabled+0x48/0x200 [ 402.444097] irq_exit+0x17f/0x1c0 [ 402.447556] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.452399] ? smp_reschedule_interrupt+0x109/0x650 [ 402.457438] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.463321] ? interrupt_entry+0xb5/0xf0 [ 402.467386] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.472412] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.477448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.482296] ? trace_hardirqs_off+0x300/0x300 [ 402.486791] ? trace_hardirqs_off+0x300/0x300 [ 402.491288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.496840] ? check_preemption_disabled+0x48/0x200 [ 402.501859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.507410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.512285] apic_timer_interrupt+0xf/0x20 [ 402.516535] [ 402.518790] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.523724] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 402.542624] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 402.550335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.557617] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 402.564883] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 402.572149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.579417] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 402.586735] skb_clone+0x1bb/0x500 [ 402.590307] ? skb_split+0x11e0/0x11e0 [ 402.594199] ? preempt_notifier_register+0x200/0x200 [ 402.599301] ? __switch_to_asm+0x34/0x70 [ 402.603377] ? __switch_to_asm+0x34/0x70 [ 402.607440] ? __switch_to_asm+0x40/0x70 [ 402.611497] ? __switch_to_asm+0x34/0x70 [ 402.615589] ? __switch_to_asm+0x40/0x70 [ 402.619651] ? __switch_to_asm+0x40/0x70 [ 402.623715] ? __switch_to_asm+0x34/0x70 [ 402.627779] ? __switch_to_asm+0x34/0x70 [ 402.631839] ? __switch_to_asm+0x40/0x70 [ 402.635913] ? __switch_to_asm+0x34/0x70 [ 402.639989] bpf_clone_redirect+0xb9/0x490 [ 402.644236] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 402.649258] ? __sched_text_start+0x8/0x8 [ 402.653415] ? retint_kernel+0x2d/0x2d [ 402.657315] ? find_held_lock+0x36/0x1c0 [ 402.661428] ? lock_acquire+0x1ed/0x520 [ 402.665411] ? bpf_test_run+0x32e/0x5a0 [ 402.669388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.674935] ? check_preemption_disabled+0x48/0x200 [ 402.679962] ? kasan_check_read+0x11/0x20 [ 402.684117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.689396] ? rcu_bh_qs+0xc0/0xc0 [ 402.692949] ? preempt_schedule+0x4d/0x60 [ 402.697102] ? ___preempt_schedule+0x16/0x18 [ 402.701545] ? bpf_test_run+0x1c0/0x5a0 [ 402.705535] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.709960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.715506] ? bpf_test_init.isra.9+0x70/0x100 [ 402.720100] ? bpf_prog_test_run_skb+0x634/0xb40 [ 402.724863] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.729707] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.735246] ? fput+0x130/0x1a0 [ 402.738529] ? __bpf_prog_get+0x9b/0x290 [ 402.742592] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.747432] ? bpf_prog_test_run+0x130/0x1a0 [ 402.751862] ? __x64_sys_bpf+0x3d8/0x510 [ 402.755935] ? bpf_prog_get+0x20/0x20 [ 402.759759] ? do_syscall_64+0x1b9/0x820 [ 402.763824] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.769201] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.774129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.778989] ? trace_hardirqs_off+0x300/0x300 [ 402.783508] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.788531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.794071] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.799104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.803961] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.809350] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 402.809456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.816112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.816121] Call Trace: [ 402.822725] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.831969] dump_stack+0x1c4/0x2b4 [ 402.834531] syz-executor1 cpuset= [ 402.845014] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.848624] syz1 [ 402.852081] warn_alloc.cold.118+0xb7/0x1bd [ 402.857243] mems_allowed=0 [ 402.859226] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.871305] ? lock_downgrade+0x900/0x900 [ 402.875481] ? trace_hardirqs_off+0xb8/0x300 [ 402.879900] ? trace_hardirqs_off+0xb8/0x300 [ 402.884331] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.889214] ? warn_alloc+0x120/0x120 [ 402.893022] ? warn_alloc+0x120/0x120 [ 402.896834] ? print_usage_bug+0xc0/0xc0 [ 402.900914] ? warn_alloc+0x120/0x120 [ 402.904720] ? print_usage_bug+0xc0/0xc0 [ 402.908786] ? __lock_acquire+0x7ec/0x4ec0 [ 402.913027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.918576] ? should_fail+0x22d/0xd01 [ 402.922473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.927591] ? __lock_acquire+0x7ec/0x4ec0 [ 402.931836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.936939] ? __lock_acquire+0x7ec/0x4ec0 [ 402.941202] ? should_fail+0x22d/0xd01 [ 402.945099] ? print_usage_bug+0xc0/0xc0 [ 402.949168] ? mark_held_locks+0x130/0x130 [ 402.953432] ? mark_held_locks+0x130/0x130 [ 402.957674] ? graph_lock+0x170/0x170 [ 402.961475] ? print_usage_bug+0xc0/0xc0 [ 402.965541] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.970305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.975860] ? check_preemption_disabled+0x48/0x200 [ 402.980878] ? check_preemption_disabled+0x48/0x200 [ 402.985922] ? __lock_is_held+0xb5/0x140 [ 402.989996] __alloc_pages_nodemask+0xa80/0xde0 [ 402.994673] ? graph_lock+0x170/0x170 [ 402.998490] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.003502] ? graph_lock+0x170/0x170 [ 403.007353] ? find_held_lock+0x36/0x1c0 [ 403.011428] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.016116] ? lock_downgrade+0x900/0x900 [ 403.020280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.025826] cache_grow_begin+0x91/0x8c0 [ 403.029915] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.034350] fallback_alloc+0x203/0x2e0 [ 403.038335] ____cache_alloc_node+0x1c7/0x1e0 [ 403.042838] kmem_cache_alloc_node+0xe3/0x730 [ 403.047354] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.051615] __alloc_skb+0x119/0x770 [ 403.055330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.060610] ? skb_scrub_packet+0x490/0x490 [ 403.064942] ? lock_downgrade+0x900/0x900 [ 403.069104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.074651] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.080109] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.085569] ? addrconf_rs_timer+0x6f0/0x6f0 [ 403.089998] ndisc_alloc_skb+0x144/0x340 [ 403.094065] ndisc_send_rs+0x331/0x6e0 [ 403.097961] addrconf_rs_timer+0x3c0/0x6f0 [ 403.102208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.106461] call_timer_fn+0x272/0x920 [ 403.110350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.114588] ? process_timeout+0x40/0x40 [ 403.118649] ? find_held_lock+0x36/0x1c0 [ 403.122724] ? __run_timers+0x7da/0xc70 [ 403.126704] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.131212] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.135713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.139949] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 403.144534] ? trace_hardirqs_on+0xbd/0x310 [ 403.148854] ? kasan_check_read+0x11/0x20 [ 403.153045] ? __run_timers+0x7da/0xc70 [ 403.157026] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.162487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.166735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.170969] __run_timers+0x7e5/0xc70 [ 403.174788] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.180155] ? compat_start_thread+0x80/0x80 [ 403.184572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.190122] ? _raw_spin_unlock_irq+0x60/0x80 [ 403.194624] ? finish_task_switch+0x1f5/0x900 [ 403.199121] ? finish_task_switch+0x1b5/0x900 [ 403.203625] ? __switch_to_asm+0x34/0x70 [ 403.207692] ? preempt_notifier_register+0x200/0x200 [ 403.212792] ? __switch_to_asm+0x34/0x70 [ 403.216850] ? __switch_to_asm+0x40/0x70 [ 403.220926] ? __switch_to_asm+0x34/0x70 [ 403.224989] ? __switch_to_asm+0x40/0x70 [ 403.229048] ? __switch_to_asm+0x34/0x70 [ 403.233107] ? __switch_to_asm+0x40/0x70 [ 403.237181] ? __switch_to_asm+0x40/0x70 [ 403.241256] ? pvclock_read_flags+0x160/0x160 [ 403.245761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.251298] ? check_preemption_disabled+0x48/0x200 [ 403.256328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.261608] ? rcu_pm_notify+0xc0/0xc0 [ 403.265500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.271043] ? check_preemption_disabled+0x48/0x200 [ 403.276069] run_timer_softirq+0x52/0xb0 [ 403.280132] ? rcu_read_lock_sched_held+0x108/0x120 [ 403.285154] __do_softirq+0x30b/0xad8 [ 403.288970] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 403.294079] ? trace_hardirqs_off_caller+0x300/0x300 [ 403.299180] ? retint_kernel+0x1b/0x2d [ 403.303103] ? schedule+0x108/0x460 [ 403.306737] ? __schedule+0x1ed0/0x1ed0 [ 403.310718] ? trace_hardirqs_off+0xb8/0x300 [ 403.315143] ? ___might_sleep+0x1ed/0x300 [ 403.319318] ? smpboot_thread_fn+0x68b/0xa00 [ 403.323729] ? trace_hardirqs_on+0x310/0x310 [ 403.328141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.333699] ? check_preemption_disabled+0x48/0x200 [ 403.338719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.344276] ? takeover_tasklets+0xa90/0xa90 [ 403.348694] run_ksoftirqd+0x94/0x100 [ 403.352501] smpboot_thread_fn+0x68b/0xa00 [ 403.356753] ? sort_range+0x30/0x30 [ 403.360407] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.365513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.371058] ? __kthread_parkme+0xfb/0x1a0 [ 403.375302] kthread+0x35a/0x420 [ 403.378667] ? sort_range+0x30/0x30 [ 403.382294] ? kthread_bind+0x40/0x40 [ 403.386102] ret_from_fork+0x3a/0x50 [ 403.389832] warn_alloc_show_mem: 1 callbacks suppressed [ 403.389845] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 403.389847] Mem-Info: [ 403.389882] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 403.389882] active_file:18 inactive_file:31 isolated_file:0 [ 403.389882] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.389882] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 403.389882] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 403.389882] free:13670 free_pcp:352 free_cma:0 [ 403.395222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.395232] Call Trace: [ 403.402536] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.404941] [ 403.437995] Node 0 [ 403.447380] dump_stack+0x1c4/0x2b4 [ 403.449954] 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 [ 403.477896] ? dump_stack_print_info.cold.2+0x52/0x52 [ 403.480023] lowmem_reserve[]: [ 403.482270] warn_alloc.cold.118+0xb7/0x1bd [ 403.485866] 0 [ 403.511376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.516542] 2815 [ 403.519646] ? lock_downgrade+0x900/0x900 [ 403.523939] 6318 [ 403.525745] ? trace_hardirqs_off+0xb8/0x300 [ 403.530550] 6318 [ 403.532623] ? trace_hardirqs_off+0xb8/0x300 [ 403.536748] Node 0 [ 403.538811] __alloc_pages_slowpath+0x2667/0x2d80 [ 403.543222] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 403.545290] ? warn_alloc+0x120/0x120 [ 403.549640] lowmem_reserve[]: 0 [ 403.551884] ? trace_hardirqs_on+0x310/0x310 [ 403.556706] 0 [ 403.583459] ? warn_alloc+0x120/0x120 [ 403.587235] 3503 [ 403.590535] ? print_usage_bug+0xc0/0xc0 [ 403.594919] 3503 [ 403.596725] ? warn_alloc+0x120/0x120 [ 403.600516] Node 0 [ 403.602579] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.606641] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 403.608680] ? print_usage_bug+0xc0/0xc0 [ 403.612443] lowmem_reserve[]: 0 [ 403.614689] ? __lock_acquire+0x7ec/0x4ec0 [ 403.619683] 0 [ 403.648352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.652386] 0 [ 403.655672] ? should_fail+0x22d/0xd01 [ 403.659877] 0 [ 403.661679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.668999] ? __lock_acquire+0x7ec/0x4ec0 [ 403.672860] Node 0 [ 403.674688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.679769] DMA: [ 403.683996] ? __lock_acquire+0x7ec/0x4ec0 [ 403.686210] 1*4kB [ 403.691326] ? should_fail+0x22d/0xd01 [ 403.693364] (U) [ 403.697603] ? print_usage_bug+0xc0/0xc0 [ 403.697628] ? mark_held_locks+0x130/0x130 [ 403.699750] 0*8kB 0*16kB [ 403.703646] ? mark_held_locks+0x130/0x130 [ 403.705606] 1*32kB [ 403.709667] ? graph_lock+0x170/0x170 [ 403.713872] (U) [ 403.716626] ? print_usage_bug+0xc0/0xc0 [ 403.720848] 2*64kB [ 403.723082] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 403.726857] (U) [ 403.728835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.732869] 1*128kB [ 403.735114] ? check_preemption_disabled+0x48/0x200 [ 403.739846] (U) [ 403.741818] ? check_preemption_disabled+0x48/0x200 [ 403.747328] 1*256kB (U) [ 403.749666] ? __lock_is_held+0xb5/0x140 [ 403.754654] 0*512kB [ 403.756633] __alloc_pages_nodemask+0xa80/0xde0 [ 403.761624] 1*1024kB [ 403.764285] ? graph_lock+0x170/0x170 [ 403.768322] (U) [ 403.770671] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.775316] 1*2048kB [ 403.777722] ? graph_lock+0x170/0x170 [ 403.781500] (M) [ 403.783486] ? find_held_lock+0x36/0x1c0 [ 403.788471] 3*4096kB (M) [ 403.790900] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.794701] = 15908kB [ 403.796669] ? lock_downgrade+0x900/0x900 [ 403.800709] Node 0 [ 403.803508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.808148] DMA32: 4*4kB [ 403.810580] cache_grow_begin+0x91/0x8c0 [ 403.814699] (UM) [ 403.816935] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.822458] 1*8kB [ 403.825214] fallback_alloc+0x203/0x2e0 [ 403.829248] (M) [ 403.831358] ____cache_alloc_node+0x1c7/0x1e0 [ 403.835740] 3*16kB [ 403.837891] kmem_cache_alloc_node+0xe3/0x730 [ 403.841847] (M) [ 403.843823] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.848288] 3*32kB (M) [ 403.850547] __alloc_skb+0x119/0x770 [ 403.855014] 1*64kB [ 403.856989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.861193] (M) 3*128kB [ 403.863781] ? skb_scrub_packet+0x490/0x490 [ 403.867473] (UM) [ 403.869712] ? lock_downgrade+0x900/0x900 [ 403.874979] 3*256kB [ 403.877653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.881947] (UM) [ 403.884011] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.888133] 4*512kB [ 403.890451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.895955] (UM) 3*1024kB [ 403.898027] ? addrconf_rs_timer+0x6f0/0x6f0 [ 403.903448] (M) [ 403.905791] ndisc_alloc_skb+0x144/0x340 [ 403.911211] 3*2048kB [ 403.914057] ndisc_send_rs+0x331/0x6e0 [ 403.918437] (M) [ 403.920421] addrconf_rs_timer+0x3c0/0x6f0 [ 403.924465] 3*4096kB [ 403.926872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.930731] (M) [ 403.932718] call_timer_fn+0x272/0x920 [ 403.936914] = 24936kB [ 403.936923] Node 0 [ 403.939335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.943545] Normal: [ 403.945530] ? process_timeout+0x40/0x40 [ 403.949395] 1267*4kB [ 403.951804] ? find_held_lock+0x36/0x1c0 [ 403.954030] (UMEH) [ 403.958264] ? __run_timers+0x7da/0xc70 [ 403.960564] 430*8kB [ 403.964623] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.967006] (UMEH) [ 403.971062] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.973280] 212*16kB [ 403.977276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.979614] (UMEH) [ 403.984118] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 403.986331] 35*32kB [ 403.990824] ? trace_hardirqs_on+0xbd/0x310 [ 403.993210] (MH) [ 403.997773] ? kasan_check_read+0x11/0x20 [ 403.997797] ? __run_timers+0x7da/0xc70 [ 403.997806] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.997817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.997828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.997836] __run_timers+0x7e5/0xc70 [ 403.997864] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.997873] ? check_preemption_disabled+0x48/0x200 [ 403.997882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.997896] ? rcu_irq_exit+0xce/0x100 [ 403.997911] ? irq_exit+0xbd/0x1c0 [ 403.997926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.997947] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.000168] 9*64kB (MH) [ 404.004758] ? retint_kernel+0x2d/0x2d [ 404.007062] 1*128kB [ 404.011380] ? trace_hardirqs_on_caller+0xc0/0x300 [ 404.013425] (H) [ 404.017571] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.021538] 1*256kB [ 404.026984] ? trace_hardirqs_off_caller+0x300/0x300 [ 404.031197] (H) [ 404.035432] ? graph_lock+0x170/0x170 [ 404.039207] 0*512kB [ 404.044613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.049606] 0*1024kB [ 404.055151] ? check_preemption_disabled+0x48/0x200 [ 404.059014] 0*2048kB [ 404.062568] ? __lock_is_held+0xb5/0x140 [ 404.067556] 0*4096kB [ 404.072307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.074955] = 13980kB [ 404.078837] ? check_preemption_disabled+0x48/0x200 [ 404.081147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 404.086071] run_timer_softirq+0x52/0xb0 [ 404.088021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 404.088031] 4516 total pagecache pages [ 404.092788] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.095093] 0 pages in swap cache [ 404.100196] __do_softirq+0x30b/0xad8 [ 404.102150] Swap cache stats: add 0, delete 0, find 0/0 [ 404.106453] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.108760] Free swap = 0kB [ 404.114299] ? pvclock_read_flags+0x160/0x160 [ 404.116682] Total swap = 0kB [ 404.121704] ? lapic_next_event+0x5a/0x90 [ 404.124104] 1965979 pages RAM [ 404.128164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.130548] 0 pages HighMem/MovableOnly [ 404.136081] ? check_preemption_disabled+0x48/0x200 [ 404.138480] 343324 pages reserved [ 404.143494] ? check_preemption_disabled+0x48/0x200 [ 404.152310] 0 pages cma reserved [ 404.156374] ? kvm_clock_read+0x18/0x30 [ 404.165044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.168816] ? kvm_sched_clock_read+0x9/0x20 [ 404.173938] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.177269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.181048] ksoftirqd/0 cpuset= [ 404.186413] ? check_preemption_disabled+0x48/0x200 [ 404.191485] / [ 404.194541] irq_exit+0x17f/0x1c0 [ 404.198999] mems_allowed=0 [ 404.202019] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.287326] ? smp_reschedule_interrupt+0x109/0x650 [ 404.292355] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.298245] ? interrupt_entry+0xb5/0xf0 [ 404.302319] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.307373] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.312398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.317282] ? trace_hardirqs_off+0x300/0x300 [ 404.321773] ? trace_hardirqs_off+0x300/0x300 [ 404.326275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.331818] ? check_preemption_disabled+0x48/0x200 [ 404.336845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.342413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.347274] apic_timer_interrupt+0xf/0x20 [ 404.351513] [ 404.353800] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.358740] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 404.377645] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 404.385358] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 404.392624] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 404.399896] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 404.407163] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 404.414431] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 404.421772] skb_clone+0x1bb/0x500 [ 404.425313] ? skb_split+0x11e0/0x11e0 [ 404.429215] ? preempt_notifier_register+0x200/0x200 [ 404.434353] ? __switch_to_asm+0x34/0x70 [ 404.438422] ? __switch_to_asm+0x34/0x70 [ 404.442484] ? __switch_to_asm+0x40/0x70 [ 404.446550] ? __switch_to_asm+0x34/0x70 [ 404.450611] ? __switch_to_asm+0x40/0x70 [ 404.454675] ? __switch_to_asm+0x40/0x70 [ 404.458732] ? __switch_to_asm+0x34/0x70 [ 404.462804] ? __switch_to_asm+0x34/0x70 [ 404.466860] ? __switch_to_asm+0x40/0x70 [ 404.470929] ? __switch_to_asm+0x34/0x70 [ 404.475004] bpf_clone_redirect+0xb9/0x490 [ 404.479252] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 404.484288] ? __sched_text_start+0x8/0x8 [ 404.488450] ? retint_kernel+0x2d/0x2d [ 404.492364] ? find_held_lock+0x36/0x1c0 [ 404.496452] ? lock_acquire+0x1ed/0x520 [ 404.500446] ? bpf_test_run+0x32e/0x5a0 [ 404.504445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.510003] ? check_preemption_disabled+0x48/0x200 [ 404.515024] ? kasan_check_read+0x11/0x20 [ 404.519193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.524478] ? rcu_bh_qs+0xc0/0xc0 [ 404.528030] ? preempt_schedule+0x4d/0x60 [ 404.532181] ? ___preempt_schedule+0x16/0x18 [ 404.536611] ? bpf_test_run+0x1c0/0x5a0 [ 404.540615] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.545033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.550582] ? bpf_test_init.isra.9+0x70/0x100 [ 404.555175] ? bpf_prog_test_run_skb+0x634/0xb40 [ 404.559942] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.564784] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.570319] ? fput+0x130/0x1a0 [ 404.573608] ? __bpf_prog_get+0x9b/0x290 [ 404.577671] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.582518] ? bpf_prog_test_run+0x130/0x1a0 [ 404.586934] ? __x64_sys_bpf+0x3d8/0x510 [ 404.590999] ? bpf_prog_get+0x20/0x20 [ 404.594824] ? do_syscall_64+0x1b9/0x820 [ 404.598887] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.604272] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.609203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.614055] ? trace_hardirqs_off+0x300/0x300 [ 404.618558] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.623584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.629126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 404.634151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.639020] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.644415] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 404.644547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.651177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.651183] Call Trace: [ 404.651208] dump_stack+0x1c4/0x2b4 [ 404.651232] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.658597] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.667073] warn_alloc.cold.118+0xb7/0x1bd [ 404.667091] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.669799] syz-executor1 cpuset= [ 404.673458] ? lock_downgrade+0x900/0x900 [ 404.673483] ? trace_hardirqs_off+0xb8/0x300 [ 404.678843] syz1 [ 404.689250] ? trace_hardirqs_off+0xb8/0x300 [ 404.689274] __alloc_pages_slowpath+0x2667/0x2d80 [ 404.689321] ? warn_alloc+0x120/0x120 [ 404.689342] ? warn_alloc+0x120/0x120 [ 404.693801] mems_allowed=0 [ 404.698642] ? print_usage_bug+0xc0/0xc0 [ 404.736445] ? warn_alloc+0x120/0x120 [ 404.740252] ? print_usage_bug+0xc0/0xc0 [ 404.744318] ? __lock_acquire+0x7ec/0x4ec0 [ 404.748559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.754104] ? should_fail+0x22d/0xd01 [ 404.758000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.763102] ? __lock_acquire+0x7ec/0x4ec0 [ 404.767342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.772456] ? __lock_acquire+0x7ec/0x4ec0 [ 404.776699] ? should_fail+0x22d/0xd01 [ 404.780591] ? print_usage_bug+0xc0/0xc0 [ 404.784666] ? mark_held_locks+0x130/0x130 [ 404.788911] ? mark_held_locks+0x130/0x130 [ 404.793157] ? graph_lock+0x170/0x170 [ 404.796961] ? print_usage_bug+0xc0/0xc0 [ 404.801032] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.805792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.811329] ? check_preemption_disabled+0x48/0x200 [ 404.816344] ? check_preemption_disabled+0x48/0x200 [ 404.821378] ? __lock_is_held+0xb5/0x140 [ 404.825457] __alloc_pages_nodemask+0xa80/0xde0 [ 404.830129] ? graph_lock+0x170/0x170 [ 404.833939] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 404.838955] ? graph_lock+0x170/0x170 [ 404.842768] ? find_held_lock+0x36/0x1c0 [ 404.846848] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.851526] ? lock_downgrade+0x900/0x900 [ 404.855701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.861253] cache_grow_begin+0x91/0x8c0 [ 404.865319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.869736] fallback_alloc+0x203/0x2e0 [ 404.873719] ____cache_alloc_node+0x1c7/0x1e0 [ 404.878220] kmem_cache_alloc_node+0xe3/0x730 [ 404.882722] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.886973] __alloc_skb+0x119/0x770 [ 404.890691] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.895974] ? skb_scrub_packet+0x490/0x490 [ 404.900297] ? lock_downgrade+0x900/0x900 [ 404.904455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.909995] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.915490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.920955] ? addrconf_rs_timer+0x6f0/0x6f0 [ 404.925392] ndisc_alloc_skb+0x144/0x340 [ 404.929472] ndisc_send_rs+0x331/0x6e0 [ 404.933367] addrconf_rs_timer+0x3c0/0x6f0 [ 404.937606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.941860] call_timer_fn+0x272/0x920 [ 404.945749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.949987] ? process_timeout+0x40/0x40 [ 404.954058] ? find_held_lock+0x36/0x1c0 [ 404.958144] ? __run_timers+0x7da/0xc70 [ 404.962128] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.966622] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.971117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.975352] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 404.979945] ? trace_hardirqs_on+0xbd/0x310 [ 404.984268] ? kasan_check_read+0x11/0x20 [ 404.988416] ? __run_timers+0x7da/0xc70 [ 404.992396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.997864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.002125] __run_timers+0x7e5/0xc70 [ 405.005947] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.011313] ? compat_start_thread+0x80/0x80 [ 405.015731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.021287] ? _raw_spin_unlock_irq+0x60/0x80 [ 405.025786] ? finish_task_switch+0x1f5/0x900 [ 405.030282] ? finish_task_switch+0x1b5/0x900 [ 405.034777] ? __switch_to_asm+0x34/0x70 [ 405.038840] ? preempt_notifier_register+0x200/0x200 [ 405.043944] ? __switch_to_asm+0x34/0x70 [ 405.048055] ? __switch_to_asm+0x40/0x70 [ 405.052122] ? __switch_to_asm+0x34/0x70 [ 405.056180] ? __switch_to_asm+0x40/0x70 [ 405.060240] ? __switch_to_asm+0x34/0x70 [ 405.064302] ? __switch_to_asm+0x40/0x70 [ 405.068381] ? __switch_to_asm+0x40/0x70 [ 405.072457] ? pvclock_read_flags+0x160/0x160 [ 405.076960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.082504] ? check_preemption_disabled+0x48/0x200 [ 405.087537] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.092835] ? rcu_pm_notify+0xc0/0xc0 [ 405.096725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.102264] ? check_preemption_disabled+0x48/0x200 [ 405.107290] run_timer_softirq+0x52/0xb0 [ 405.111355] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.116375] __do_softirq+0x30b/0xad8 [ 405.120192] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.125310] ? trace_hardirqs_off_caller+0x300/0x300 [ 405.130423] ? retint_kernel+0x1b/0x2d [ 405.134334] ? schedule+0x108/0x460 [ 405.137969] ? __schedule+0x1ed0/0x1ed0 [ 405.141952] ? trace_hardirqs_off+0xb8/0x300 [ 405.146365] ? ___might_sleep+0x1ed/0x300 [ 405.150512] ? smpboot_thread_fn+0x68b/0xa00 [ 405.154929] ? trace_hardirqs_on+0x310/0x310 [ 405.159360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.164898] ? check_preemption_disabled+0x48/0x200 [ 405.169926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.175470] ? takeover_tasklets+0xa90/0xa90 [ 405.179883] run_ksoftirqd+0x94/0x100 [ 405.183694] smpboot_thread_fn+0x68b/0xa00 [ 405.187939] ? sort_range+0x30/0x30 [ 405.191572] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.196675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.202216] ? __kthread_parkme+0xfb/0x1a0 [ 405.206458] kthread+0x35a/0x420 [ 405.209822] ? sort_range+0x30/0x30 [ 405.213476] ? kthread_bind+0x40/0x40 [ 405.217283] ret_from_fork+0x3a/0x50 [ 405.221013] warn_alloc_show_mem: 1 callbacks suppressed [ 405.221027] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 405.221029] Mem-Info: [ 405.221067] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 405.221067] active_file:18 inactive_file:31 isolated_file:0 [ 405.221067] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.221067] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 405.221067] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 405.221067] free:13670 free_pcp:352 free_cma:0 [ 405.226408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.226418] Call Trace: [ 405.233701] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.236101] [ 405.269155] Node 0 [ 405.278532] dump_stack+0x1c4/0x2b4 [ 405.281099] 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 [ 405.309018] ? dump_stack_print_info.cold.2+0x52/0x52 [ 405.311152] lowmem_reserve[]: [ 405.313399] warn_alloc.cold.118+0xb7/0x1bd [ 405.316988] 0 2815 [ 405.342531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.347694] 6318 [ 405.350802] ? lock_downgrade+0x900/0x900 [ 405.355098] 6318 [ 405.357340] ? trace_hardirqs_off+0xb8/0x300 [ 405.364211] ? trace_hardirqs_off+0xb8/0x300 [ 405.368336] Node 0 [ 405.370401] __alloc_pages_slowpath+0x2667/0x2d80 [ 405.374806] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.379210] ? warn_alloc+0x120/0x120 [ 405.381402] lowmem_reserve[]: [ 405.386249] ? __bfs+0xb0/0x7a0 [ 405.412938] 0 0 [ 405.416751] ? warn_alloc+0x120/0x120 [ 405.419844] 3503 [ 405.423121] ? print_usage_bug+0xc0/0xc0 [ 405.425071] 3503 [ 405.428865] ? lock_pin_lock+0x350/0x350 [ 405.434974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.437006] Node 0 [ 405.441066] ? should_fail+0x22d/0xd01 [ 405.446598] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 405.448808] ? trace_hardirqs_off+0xb8/0x300 [ 405.452668] lowmem_reserve[]: [ 405.481307] ? kasan_check_read+0x11/0x20 [ 405.485696] 0 [ 405.488800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.492927] 0 [ 405.494732] ? __lock_acquire+0x7ec/0x4ec0 [ 405.499804] 0 0 [ 405.501615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.505830] Node 0 [ 405.507806] ? should_fail+0x22d/0xd01 [ 405.512888] DMA: [ 405.515130] ? mark_held_locks+0x130/0x130 [ 405.518992] 1*4kB [ 405.521053] ? mark_held_locks+0x130/0x130 [ 405.525267] (U) [ 405.527420] ? print_usage_bug+0xc0/0xc0 [ 405.531629] 0*8kB [ 405.533604] ? graph_lock+0x170/0x170 [ 405.537639] 0*16kB [ 405.539786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.543558] 1*32kB [ 405.545800] ? check_preemption_disabled+0x48/0x200 [ 405.551323] (U) [ 405.553559] ? check_preemption_disabled+0x48/0x200 [ 405.558568] 2*64kB [ 405.560557] ? __lock_is_held+0xb5/0x140 [ 405.565560] (U) [ 405.567797] __alloc_pages_nodemask+0xa80/0xde0 [ 405.571829] 1*128kB [ 405.573799] ? graph_lock+0x170/0x170 [ 405.578447] (U) [ 405.580767] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.584549] 1*256kB [ 405.586536] ? graph_lock+0x170/0x170 [ 405.591532] (U) [ 405.593857] ? find_held_lock+0x36/0x1c0 [ 405.597628] 0*512kB [ 405.599614] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.603644] 1*1024kB [ 405.605966] ? lock_downgrade+0x900/0x900 [ 405.610617] (U) [ 405.613032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.617150] 1*2048kB [ 405.619129] cache_grow_begin+0x91/0x8c0 [ 405.624659] (M) [ 405.627072] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.631099] 3*4096kB (M) [ 405.633085] fallback_alloc+0x203/0x2e0 [ 405.637470] = 15908kB [ 405.640231] ____cache_alloc_node+0x1c7/0x1e0 [ 405.644178] Node 0 [ 405.646593] kmem_cache_alloc_node+0xe3/0x730 [ 405.651062] DMA32: [ 405.653297] ? mark_held_locks+0xc7/0x130 [ 405.657770] 4*4kB [ 405.660007] __alloc_skb+0x119/0x770 [ 405.664123] (UM) [ 405.666274] ? skb_scrub_packet+0x490/0x490 [ 405.669962] 1*8kB [ 405.672024] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 405.676321] (M) [ 405.678471] ? queue_work_on+0x12c/0x1e0 [ 405.683032] 3*16kB [ 405.685071] ? switchdev_port_obj_del+0xdc/0x450 [ 405.689043] (M) [ 405.691280] ? switchdev_trans_item_enqueue+0x260/0x260 [ 405.696010] 3*32kB [ 405.697984] ? mod_timer+0x647/0x1440 [ 405.703326] (M) [ 405.705571] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.709345] 1*64kB (M) [ 405.711375] __br_mdb_notify+0x4ff/0x15d0 [ 405.716329] 3*128kB [ 405.718921] ? __br_mdb_add+0x800/0x800 [ 405.723045] (UM) [ 405.725376] ? graph_lock+0x170/0x170 [ 405.729317] 3*256kB [ 405.731377] ? br_multicast_group_expired+0x96/0x610 [ 405.735146] (UM) 4*512kB [ 405.737483] br_mdb_notify+0x310/0x410 [ 405.742558] (UM) [ 405.745315] ? br_mdb_dump+0x2530/0x2530 [ 405.749179] 3*1024kB [ 405.751236] ? kasan_check_write+0x14/0x20 [ 405.755272] (M) [ 405.757694] ? do_raw_spin_lock+0xc1/0x200 [ 405.761902] 3*2048kB [ 405.763880] br_multicast_group_expired+0x1bc/0x610 [ 405.768087] (M) 3*4096kB [ 405.770512] ? br_mdb_free+0x80/0x80 [ 405.775497] (M) [ 405.778278] call_timer_fn+0x272/0x920 [ 405.781960] = 24936kB [ 405.783929] ? br_mdb_free+0x80/0x80 [ 405.787801] Node 0 [ 405.790221] ? process_timeout+0x40/0x40 [ 405.793928] Normal: [ 405.796161] ? find_held_lock+0x36/0x1c0 [ 405.800197] 1267*4kB [ 405.802524] ? __run_timers+0x7da/0xc70 [ 405.806547] (UMEH) [ 405.808967] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.812916] 430*8kB (UMEH) [ 405.815162] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.819629] 212*16kB (UMEH) [ 405.822566] ? br_mdb_free+0x80/0x80 [ 405.827043] 35*32kB [ 405.830058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.833748] (MH) [ 405.836069] ? trace_hardirqs_on+0xbd/0x310 [ 405.840637] 9*64kB [ 405.842690] ? kasan_check_read+0x11/0x20 [ 405.846986] (MH) [ 405.849220] ? __run_timers+0x7da/0xc70 [ 405.853344] 1*128kB [ 405.855427] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.859382] (H) [ 405.861715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.867138] 1*256kB [ 405.869112] ? br_mdb_free+0x80/0x80 [ 405.873326] (H) [ 405.875658] __run_timers+0x7e5/0xc70 [ 405.879368] 0*512kB [ 405.881351] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.885116] 0*1024kB [ 405.887441] ? check_preemption_disabled+0x48/0x200 [ 405.892778] 0*2048kB [ 405.895211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.900212] 0*4096kB [ 405.902635] ? rcu_irq_exit+0xce/0x100 [ 405.908145] = 13980kB [ 405.910560] ? irq_exit+0xbd/0x1c0 [ 405.914428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.916848] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 405.920367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.929211] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.934201] 4516 total pagecache pages [ 405.942772] ? retint_kernel+0x2d/0x2d [ 405.947512] 0 pages in swap cache [ 405.951416] ? trace_hardirqs_on_caller+0xc0/0x300 [ 405.955277] Swap cache stats: add 0, delete 0, find 0/0 [ 405.958724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.963644] Free swap = 0kB [ 405.969004] ? trace_hardirqs_off_caller+0x300/0x300 [ 405.973740] Total swap = 0kB [ 405.976754] ? graph_lock+0x170/0x170 [ 405.981833] 1965979 pages RAM [ 405.984850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.988620] 0 pages HighMem/MovableOnly [ 405.988629] 343324 pages reserved [ 405.991735] ? check_preemption_disabled+0x48/0x200 [ 405.997247] 0 pages cma reserved [ 406.001415] ? __lock_is_held+0xb5/0x140 [ 406.004955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.009862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.009875] ? check_preemption_disabled+0x48/0x200 [ 406.009914] run_timer_softirq+0x52/0xb0 [ 406.013337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.017324] ? rcu_read_lock_sched_held+0x108/0x120 [ 406.023789] ksoftirqd/0 cpuset= [ 406.029352] __do_softirq+0x30b/0xad8 [ 406.034339] / [ 406.038403] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 406.048691] mems_allowed=0 [ 406.053701] ? pvclock_read_flags+0x160/0x160 [ 406.074931] ? lapic_next_event+0x5a/0x90 [ 406.079088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.084626] ? check_preemption_disabled+0x48/0x200 [ 406.089646] ? check_preemption_disabled+0x48/0x200 [ 406.094692] ? kvm_clock_read+0x18/0x30 [ 406.098667] ? kvm_sched_clock_read+0x9/0x20 [ 406.103078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.109131] ? check_preemption_disabled+0x48/0x200 [ 406.114180] irq_exit+0x17f/0x1c0 [ 406.117654] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.122515] ? smp_reschedule_interrupt+0x109/0x650 [ 406.127547] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.133443] ? interrupt_entry+0xb5/0xf0 [ 406.137513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 406.142538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 406.147570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.152418] ? trace_hardirqs_off+0x300/0x300 [ 406.156937] ? trace_hardirqs_off+0x300/0x300 [ 406.161445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.166988] ? check_preemption_disabled+0x48/0x200 [ 406.172008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.177557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.182436] apic_timer_interrupt+0xf/0x20 [ 406.186685] [ 406.188935] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 406.193870] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 406.212785] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 406.220497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 406.227765] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 406.235034] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 406.242305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.249569] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 406.256895] skb_clone+0x1bb/0x500 [ 406.260441] ? skb_split+0x11e0/0x11e0 [ 406.264336] ? preempt_notifier_register+0x200/0x200 [ 406.269465] ? __switch_to_asm+0x34/0x70 [ 406.273526] ? __switch_to_asm+0x34/0x70 [ 406.277586] ? __switch_to_asm+0x40/0x70 [ 406.281644] ? __switch_to_asm+0x34/0x70 [ 406.285716] ? __switch_to_asm+0x40/0x70 [ 406.289788] ? __switch_to_asm+0x40/0x70 [ 406.293847] ? __switch_to_asm+0x34/0x70 [ 406.297912] ? __switch_to_asm+0x34/0x70 [ 406.301972] ? __switch_to_asm+0x40/0x70 [ 406.306030] ? __switch_to_asm+0x34/0x70 [ 406.310106] bpf_clone_redirect+0xb9/0x490 [ 406.314365] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 406.319391] ? __sched_text_start+0x8/0x8 [ 406.323548] ? retint_kernel+0x2d/0x2d [ 406.327474] ? find_held_lock+0x36/0x1c0 [ 406.331555] ? lock_acquire+0x1ed/0x520 [ 406.335529] ? bpf_test_run+0x32e/0x5a0 [ 406.339522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.345070] ? check_preemption_disabled+0x48/0x200 [ 406.350093] ? kasan_check_read+0x11/0x20 [ 406.354270] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.359552] ? rcu_bh_qs+0xc0/0xc0 [ 406.363101] ? preempt_schedule+0x4d/0x60 [ 406.367255] ? ___preempt_schedule+0x16/0x18 [ 406.371704] ? bpf_test_run+0x1c0/0x5a0 [ 406.375694] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.380109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.385645] ? bpf_test_init.isra.9+0x70/0x100 [ 406.390237] ? bpf_prog_test_run_skb+0x634/0xb40 [ 406.395016] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.399858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.405393] ? fput+0x130/0x1a0 [ 406.408686] ? __bpf_prog_get+0x9b/0x290 [ 406.412750] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.417606] ? bpf_prog_test_run+0x130/0x1a0 [ 406.422024] ? __x64_sys_bpf+0x3d8/0x510 [ 406.426089] ? bpf_prog_get+0x20/0x20 [ 406.429914] ? do_syscall_64+0x1b9/0x820 [ 406.433986] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.439364] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.444294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.449144] ? trace_hardirqs_off+0x300/0x300 [ 406.453646] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.458664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.464207] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.469244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.474118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.479516] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 406.479752] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.486286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.496755] syz-executor1 cpuset= [ 406.506096] Call Trace: [ 406.506136] syz1 [ 406.509564] dump_stack+0x1c4/0x2b4 [ 406.512124] mems_allowed=0 [ 406.514093] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.525817] warn_alloc.cold.118+0xb7/0x1bd [ 406.530143] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.534993] ? lock_downgrade+0x900/0x900 [ 406.539150] ? trace_hardirqs_off+0xb8/0x300 [ 406.543562] ? trace_hardirqs_off+0xb8/0x300 [ 406.547992] __alloc_pages_slowpath+0x2667/0x2d80 [ 406.552871] ? warn_alloc+0x120/0x120 [ 406.556685] ? warn_alloc+0x120/0x120 [ 406.560492] ? print_usage_bug+0xc0/0xc0 [ 406.564579] ? warn_alloc+0x120/0x120 [ 406.568397] ? print_usage_bug+0xc0/0xc0 [ 406.572464] ? __lock_acquire+0x7ec/0x4ec0 [ 406.576703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.582243] ? should_fail+0x22d/0xd01 [ 406.586153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.591257] ? __lock_acquire+0x7ec/0x4ec0 [ 406.595499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.600619] ? __lock_acquire+0x7ec/0x4ec0 [ 406.604854] ? should_fail+0x22d/0xd01 [ 406.608752] ? mark_held_locks+0x130/0x130 [ 406.612993] ? mark_held_locks+0x130/0x130 [ 406.617245] ? graph_lock+0x170/0x170 [ 406.621075] ? graph_lock+0x170/0x170 [ 406.624880] ? graph_lock+0x170/0x170 [ 406.628685] ? print_usage_bug+0xc0/0xc0 [ 406.632764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.638315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.643851] ? check_preemption_disabled+0x48/0x200 [ 406.648874] ? check_preemption_disabled+0x48/0x200 [ 406.653917] ? __lock_is_held+0xb5/0x140 [ 406.657991] __alloc_pages_nodemask+0xa80/0xde0 [ 406.662668] ? graph_lock+0x170/0x170 [ 406.666471] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.671500] ? graph_lock+0x170/0x170 [ 406.675322] ? find_held_lock+0x36/0x1c0 [ 406.679419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.684090] ? lock_downgrade+0x900/0x900 [ 406.688250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.693822] cache_grow_begin+0x91/0x8c0 [ 406.697913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 406.702342] fallback_alloc+0x203/0x2e0 [ 406.706327] ____cache_alloc_node+0x1c7/0x1e0 [ 406.710843] kmem_cache_alloc_node+0xe3/0x730 [ 406.715346] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.719595] __alloc_skb+0x119/0x770 [ 406.723316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.728598] ? skb_scrub_packet+0x490/0x490 [ 406.732927] ? lock_downgrade+0x900/0x900 [ 406.737087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.742640] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.748097] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.753554] ? addrconf_rs_timer+0x6f0/0x6f0 [ 406.757981] ndisc_alloc_skb+0x144/0x340 [ 406.762052] ndisc_send_rs+0x331/0x6e0 [ 406.765946] addrconf_rs_timer+0x3c0/0x6f0 [ 406.770204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.774471] call_timer_fn+0x272/0x920 [ 406.778367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.782606] ? process_timeout+0x40/0x40 [ 406.786672] ? find_held_lock+0x36/0x1c0 [ 406.790742] ? __run_timers+0x7da/0xc70 [ 406.794721] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.799217] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.803711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.807960] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 406.812562] ? trace_hardirqs_on+0xbd/0x310 [ 406.816881] ? kasan_check_read+0x11/0x20 [ 406.821035] ? __run_timers+0x7da/0xc70 [ 406.825024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.830483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.834733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.838983] __run_timers+0x7e5/0xc70 [ 406.842811] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 406.848177] ? compat_start_thread+0x80/0x80 [ 406.852594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.858151] ? _raw_spin_unlock_irq+0x60/0x80 [ 406.862648] ? finish_task_switch+0x1f5/0x900 [ 406.867141] ? finish_task_switch+0x1b5/0x900 [ 406.871636] ? __switch_to_asm+0x34/0x70 [ 406.875697] ? preempt_notifier_register+0x200/0x200 [ 406.880803] ? __switch_to_asm+0x34/0x70 [ 406.884865] ? __switch_to_asm+0x40/0x70 [ 406.888948] ? __switch_to_asm+0x34/0x70 [ 406.893007] ? __switch_to_asm+0x40/0x70 [ 406.897066] ? __switch_to_asm+0x34/0x70 [ 406.901166] ? __switch_to_asm+0x40/0x70 [ 406.905226] ? __switch_to_asm+0x40/0x70 [ 406.909298] ? pvclock_read_flags+0x160/0x160 [ 406.913798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.919339] ? check_preemption_disabled+0x48/0x200 [ 406.924369] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.929654] ? rcu_pm_notify+0xc0/0xc0 [ 406.933546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.939082] ? check_preemption_disabled+0x48/0x200 [ 406.944112] run_timer_softirq+0x52/0xb0 [ 406.948172] ? rcu_read_lock_sched_held+0x108/0x120 [ 406.953202] __do_softirq+0x30b/0xad8 [ 406.957018] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 406.962137] ? trace_hardirqs_off_caller+0x300/0x300 [ 406.967241] ? retint_kernel+0x1b/0x2d [ 406.971152] ? schedule+0x108/0x460 [ 406.974787] ? __schedule+0x1ed0/0x1ed0 [ 406.978770] ? trace_hardirqs_off+0xb8/0x300 [ 406.983187] ? ___might_sleep+0x1ed/0x300 [ 406.987376] ? smpboot_thread_fn+0x68b/0xa00 [ 406.991798] ? trace_hardirqs_on+0x310/0x310 [ 406.996212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.001751] ? check_preemption_disabled+0x48/0x200 [ 407.006768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.012316] ? takeover_tasklets+0xa90/0xa90 [ 407.016728] run_ksoftirqd+0x94/0x100 [ 407.020537] smpboot_thread_fn+0x68b/0xa00 [ 407.024777] ? sort_range+0x30/0x30 [ 407.028440] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.033558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.039097] ? __kthread_parkme+0xfb/0x1a0 [ 407.043334] kthread+0x35a/0x420 [ 407.046702] ? sort_range+0x30/0x30 [ 407.050337] ? kthread_bind+0x40/0x40 [ 407.054155] ret_from_fork+0x3a/0x50 [ 407.057919] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 407.057925] warn_alloc_show_mem: 1 callbacks suppressed [ 407.057932] Mem-Info: [ 407.065208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.070582] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 407.070582] active_file:18 inactive_file:31 isolated_file:0 [ 407.070582] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.070582] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 407.070582] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 407.070582] free:13670 free_pcp:352 free_cma:0 [ 407.072958] Call Trace: [ 407.082350] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.115384] [ 407.117960] Node 0 [ 407.145904] dump_stack+0x1c4/0x2b4 [ 407.148052] 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 [ 407.150261] ? dump_stack_print_info.cold.2+0x52/0x52 [ 407.153855] lowmem_reserve[]: 0 [ 407.179414] warn_alloc.cold.118+0xb7/0x1bd [ 407.184570] 2815 6318 [ 407.187869] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.192165] 6318 [ 407.194662] ? lock_downgrade+0x900/0x900 [ 407.201564] ? trace_hardirqs_off+0xb8/0x300 [ 407.205685] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 407.210125] ? trace_hardirqs_off+0xb8/0x300 [ 407.210152] __alloc_pages_slowpath+0x2667/0x2d80 [ 407.237464] lowmem_reserve[]: 0 [ 407.241956] ? warn_alloc+0x120/0x120 [ 407.246733] 0 [ 407.250012] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.253781] 3503 3503 [ 407.255594] ? warn_alloc+0x120/0x120 [ 407.260766] Node 0 [ 407.263267] ? print_usage_bug+0xc0/0xc0 [ 407.267065] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 407.269273] ? warn_alloc+0x120/0x120 [ 407.273311] lowmem_reserve[]: [ 407.301983] ? print_usage_bug+0xc0/0xc0 [ 407.305749] 0 [ 407.308860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.312891] 0 [ 407.314698] ? should_fail+0x22d/0xd01 [ 407.320206] 0 [ 407.322014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.325873] 0 [ 407.327688] ? __lock_acquire+0x7ec/0x4ec0 [ 407.332766] Node 0 [ 407.334565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.338772] DMA: 1*4kB [ 407.341018] ? should_fail+0x22d/0xd01 [ 407.346098] (U) [ 407.348686] ? mark_held_locks+0x130/0x130 [ 407.352545] 0*8kB [ 407.354525] ? mark_held_locks+0x130/0x130 [ 407.358740] 0*16kB [ 407.360893] ? print_usage_bug+0xc0/0xc0 [ 407.365108] 1*32kB [ 407.367351] ? find_held_lock+0x36/0x1c0 [ 407.371384] (U) [ 407.373621] ? graph_lock+0x170/0x170 [ 407.377665] 2*64kB [ 407.379641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.383407] (U) 1*128kB [ 407.385658] ? check_preemption_disabled+0x48/0x200 [ 407.391170] (U) [ 407.393839] ? check_preemption_disabled+0x48/0x200 [ 407.398831] 1*256kB [ 407.400806] ? __lock_is_held+0xb5/0x140 [ 407.405795] (U) [ 407.408119] __alloc_pages_nodemask+0xa80/0xde0 [ 407.412149] 0*512kB [ 407.414117] ? graph_lock+0x170/0x170 [ 407.418770] 1*1024kB [ 407.421091] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.424870] (U) [ 407.427268] ? graph_lock+0x170/0x170 [ 407.427294] ? find_held_lock+0x36/0x1c0 [ 407.432285] 1*2048kB [ 407.434268] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.438037] (M) [ 407.442094] ? lock_downgrade+0x900/0x900 [ 407.444493] 3*4096kB [ 407.449163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.451112] (M) [ 407.455299] cache_grow_begin+0x91/0x8c0 [ 407.457685] = 15908kB [ 407.463219] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.465170] Node 0 [ 407.469232] fallback_alloc+0x203/0x2e0 [ 407.471631] DMA32: [ 407.476039] ____cache_alloc_node+0x1c7/0x1e0 [ 407.478254] 4*4kB [ 407.482225] kmem_cache_alloc_node+0xe3/0x730 [ 407.484452] (UM) [ 407.488956] ? mark_held_locks+0xc7/0x130 [ 407.491083] 1*8kB [ 407.495584] __alloc_skb+0x119/0x770 [ 407.497642] (M) [ 407.501786] ? skb_scrub_packet+0x490/0x490 [ 407.503912] 3*16kB (M) [ 407.507635] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 407.509586] 3*32kB [ 407.513906] ? queue_work_on+0x12c/0x1e0 [ 407.516467] (M) [ 407.521065] ? switchdev_port_obj_del+0xdc/0x450 [ 407.523277] 1*64kB [ 407.527331] ? switchdev_trans_item_enqueue+0x260/0x260 [ 407.529282] (M) [ 407.534039] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.536250] 3*128kB [ 407.541621] __br_mdb_notify+0x4ff/0x15d0 [ 407.543569] (UM) [ 407.548591] ? __br_mdb_add+0x800/0x800 [ 407.550885] 3*256kB [ 407.555033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.557071] (UM) [ 407.561047] ? check_preemption_disabled+0x48/0x200 [ 407.563345] 4*512kB [ 407.568883] ? graph_lock+0x170/0x170 [ 407.570924] (UM) [ 407.575944] ? br_multicast_group_expired+0x96/0x610 [ 407.578243] 3*1024kB [ 407.582043] ? lock_downgrade+0x900/0x900 [ 407.584087] (M) [ 407.589203] br_mdb_notify+0x310/0x410 [ 407.591597] 3*2048kB [ 407.595750] ? br_mdb_dump+0x2530/0x2530 [ 407.597704] (M) [ 407.601589] ? kasan_check_write+0x14/0x20 [ 407.603983] 3*4096kB [ 407.608047] ? do_raw_spin_lock+0xc1/0x200 [ 407.609996] (M) [ 407.614246] br_multicast_group_expired+0x1bc/0x610 [ 407.616631] = 24936kB [ 407.620873] ? br_mdb_free+0x80/0x80 [ 407.622830] Node 0 [ 407.627851] call_timer_fn+0x272/0x920 [ 407.630241] Normal: [ 407.633947] ? br_mdb_free+0x80/0x80 [ 407.636165] 1267*4kB [ 407.640047] ? process_timeout+0x40/0x40 [ 407.642348] (UMEH) [ 407.647538] ? find_held_lock+0x36/0x1c0 [ 407.649934] 430*8kB [ 407.653992] ? __run_timers+0x7da/0xc70 [ 407.656200] (UMEH) [ 407.660260] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.662578] 212*16kB [ 407.666547] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.668765] (UMEH) [ 407.673254] ? br_mdb_free+0x80/0x80 [ 407.675650] 35*32kB [ 407.680155] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 407.682367] (MH) [ 407.686081] ? trace_hardirqs_on+0xbd/0x310 [ 407.688379] 9*64kB [ 407.692954] ? kasan_check_read+0x11/0x20 [ 407.694998] (MH) [ 407.699315] ? __run_timers+0x7da/0xc70 [ 407.701537] 1*128kB [ 407.705679] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.707715] (H) [ 407.711697] ? br_mdb_free+0x80/0x80 [ 407.713998] 1*256kB [ 407.719448] ? br_mdb_free+0x80/0x80 [ 407.721401] (H) [ 407.725128] __run_timers+0x7e5/0xc70 [ 407.727440] 0*512kB [ 407.731177] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.733122] 0*1024kB [ 407.736916] ? check_preemption_disabled+0x48/0x200 [ 407.739254] 0*2048kB [ 407.744631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.747014] 0*4096kB [ 407.752031] ? rcu_irq_exit+0xce/0x100 [ 407.754412] = 13980kB [ 407.754429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.759964] ? irq_exit+0xbd/0x1c0 [ 407.762356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.766237] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 407.768623] 4516 total pagecache pages [ 407.777465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.780984] 0 pages in swap cache [ 407.789547] ? retint_kernel+0x2d/0x2d [ 407.794543] Swap cache stats: add 0, delete 0, find 0/0 [ 407.798427] ? trace_hardirqs_on_caller+0xc0/0x300 [ 407.803156] Free swap = 0kB [ 407.806607] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.810480] Total swap = 0kB [ 407.815844] ? trace_hardirqs_off_caller+0x300/0x300 [ 407.820751] 1965979 pages RAM [ 407.823778] ? graph_lock+0x170/0x170 [ 407.828512] 0 pages HighMem/MovableOnly [ 407.831546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.836622] 343324 pages reserved [ 407.839727] ? check_preemption_disabled+0x48/0x200 [ 407.843509] 0 pages cma reserved [ 407.847476] ? __lock_is_held+0xb5/0x140 [ 407.853101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.856442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.862001] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.864805] ? check_preemption_disabled+0x48/0x200 [ 407.864843] run_timer_softirq+0x52/0xb0 [ 407.869099] ksoftirqd/0 cpuset= [ 407.875598] ? rcu_read_lock_sched_held+0x108/0x120 [ 407.875622] __do_softirq+0x30b/0xad8 [ 407.881314] / [ 407.891567] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.891590] ? pvclock_read_flags+0x160/0x160 [ 407.891605] ? lapic_next_event+0x5a/0x90 [ 407.891626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.891639] ? check_preemption_disabled+0x48/0x200 [ 407.891651] ? check_preemption_disabled+0x48/0x200 [ 407.891676] ? kvm_clock_read+0x18/0x30 [ 407.896811] mems_allowed=0 [ 407.900868] ? kvm_sched_clock_read+0x9/0x20 [ 407.955131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.960678] ? check_preemption_disabled+0x48/0x200 [ 407.965715] irq_exit+0x17f/0x1c0 [ 407.969178] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.974025] ? smp_reschedule_interrupt+0x109/0x650 [ 407.979045] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.984933] ? interrupt_entry+0xb5/0xf0 [ 407.988998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.994025] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.999344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.004188] ? trace_hardirqs_off+0x300/0x300 [ 408.008684] ? trace_hardirqs_off+0x300/0x300 [ 408.013182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.018724] ? check_preemption_disabled+0x48/0x200 [ 408.023739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.029288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.034145] apic_timer_interrupt+0xf/0x20 [ 408.038378] [ 408.040640] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.045581] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 408.064482] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 408.072200] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.079470] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 408.086745] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 408.094011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.101278] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 408.109097] skb_clone+0x1bb/0x500 [ 408.112646] ? skb_split+0x11e0/0x11e0 [ 408.116545] ? preempt_notifier_register+0x200/0x200 [ 408.121650] ? __switch_to_asm+0x34/0x70 [ 408.125712] ? __switch_to_asm+0x34/0x70 [ 408.129786] ? __switch_to_asm+0x40/0x70 [ 408.133859] ? __switch_to_asm+0x34/0x70 [ 408.137933] ? __switch_to_asm+0x40/0x70 [ 408.141995] ? __switch_to_asm+0x40/0x70 [ 408.146054] ? __switch_to_asm+0x34/0x70 [ 408.150114] ? __switch_to_asm+0x34/0x70 [ 408.154174] ? __switch_to_asm+0x40/0x70 [ 408.158236] ? __switch_to_asm+0x34/0x70 [ 408.162326] bpf_clone_redirect+0xb9/0x490 [ 408.166584] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 408.171611] ? __sched_text_start+0x8/0x8 [ 408.175763] ? retint_kernel+0x2d/0x2d [ 408.179664] ? find_held_lock+0x36/0x1c0 [ 408.190076] ? lock_acquire+0x1ed/0x520 [ 408.194052] ? bpf_test_run+0x32e/0x5a0 [ 408.198030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.203568] ? check_preemption_disabled+0x48/0x200 [ 408.208594] ? kasan_check_read+0x11/0x20 [ 408.212749] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.218033] ? rcu_bh_qs+0xc0/0xc0 [ 408.221585] ? preempt_schedule+0x4d/0x60 [ 408.225738] ? ___preempt_schedule+0x16/0x18 [ 408.230159] ? bpf_test_run+0x1c0/0x5a0 [ 408.234145] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.238562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.244100] ? bpf_test_init.isra.9+0x70/0x100 [ 408.248689] ? bpf_prog_test_run_skb+0x634/0xb40 [ 408.253458] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 408.258299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.263836] ? fput+0x130/0x1a0 [ 408.267122] ? __bpf_prog_get+0x9b/0x290 [ 408.271186] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 408.276027] ? bpf_prog_test_run+0x130/0x1a0 [ 408.280461] ? __x64_sys_bpf+0x3d8/0x510 [ 408.284539] ? bpf_prog_get+0x20/0x20 [ 408.288376] ? do_syscall_64+0x1b9/0x820 [ 408.292441] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.297810] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.302740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.307586] ? trace_hardirqs_off+0x300/0x300 [ 408.312083] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.317102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.322643] ? prepare_exit_to_usermode+0x291/0x3b0 [ 408.327668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.332546] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.337934] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 408.338129] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.344695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.344703] Call Trace: [ 408.355192] syz-executor1 cpuset= [ 408.364557] dump_stack+0x1c4/0x2b4 [ 408.367114] syz1 [ 408.370593] ? dump_stack_print_info.cold.2+0x52/0x52 [ 408.374215] mems_allowed=0 [ 408.376194] warn_alloc.cold.118+0xb7/0x1bd [ 408.388589] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.393450] ? lock_downgrade+0x900/0x900 [ 408.397620] ? trace_hardirqs_off+0xb8/0x300 [ 408.402037] ? trace_hardirqs_off+0xb8/0x300 [ 408.406457] __alloc_pages_slowpath+0x2667/0x2d80 [ 408.411331] ? warn_alloc+0x120/0x120 [ 408.415142] ? warn_alloc+0x120/0x120 [ 408.418946] ? print_usage_bug+0xc0/0xc0 [ 408.423004] ? lockdep_on+0x50/0x50 [ 408.426636] ? lock_pin_lock+0x350/0x350 [ 408.430725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.436267] ? should_fail+0x22d/0xd01 [ 408.440167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.445271] ? __lock_acquire+0x7ec/0x4ec0 [ 408.449513] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.454616] ? __lock_acquire+0x2881/0x4ec0 [ 408.458937] ? should_fail+0x22d/0xd01 [ 408.462852] ? __bfs+0xb0/0x7a0 [ 408.466151] ? mark_held_locks+0x130/0x130 [ 408.470392] ? mark_held_locks+0x130/0x130 [ 408.474650] ? graph_lock+0x170/0x170 [ 408.478483] ? graph_lock+0x170/0x170 [ 408.482306] ? ret_from_fork+0x3a/0x50 [ 408.486225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.491762] ? check_preemption_disabled+0x48/0x200 [ 408.496780] ? check_preemption_disabled+0x48/0x200 [ 408.501810] ? __lock_is_held+0xb5/0x140 [ 408.505882] __alloc_pages_nodemask+0xa80/0xde0 [ 408.510562] ? graph_lock+0x170/0x170 [ 408.514368] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.519380] ? graph_lock+0x170/0x170 [ 408.523195] ? find_held_lock+0x36/0x1c0 [ 408.527266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.531938] ? lock_downgrade+0x900/0x900 [ 408.536096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.541639] cache_grow_begin+0x91/0x8c0 [ 408.545706] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.550141] fallback_alloc+0x203/0x2e0 [ 408.554126] ____cache_alloc_node+0x1c7/0x1e0 [ 408.558630] kmem_cache_alloc_node+0xe3/0x730 [ 408.563126] ? mark_held_locks+0xc7/0x130 [ 408.567283] __alloc_skb+0x119/0x770 [ 408.571001] ? skb_scrub_packet+0x490/0x490 [ 408.575327] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 408.579922] ? queue_work_on+0x12c/0x1e0 [ 408.583996] ? switchdev_port_obj_del+0xdc/0x450 [ 408.588755] ? switchdev_trans_item_enqueue+0x260/0x260 [ 408.594125] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.599158] __br_mdb_notify+0x4ff/0x15d0 [ 408.603305] ? mod_timer+0x647/0x1440 [ 408.607110] ? __br_mdb_add+0x800/0x800 [ 408.611089] ? __lock_acquire+0x7ec/0x4ec0 [ 408.615328] ? lockdep_hardirqs_on+0x150/0x5c0 [ 408.619922] ? ___ratelimit+0x36f/0x655 [ 408.623902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.629376] ? debug_object_init_on_stack+0x20/0x20 [ 408.634396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.639947] br_mdb_notify+0x310/0x410 [ 408.643842] ? br_mdb_dump+0x2530/0x2530 [ 408.647928] br_multicast_del_pg+0x3df/0x790 [ 408.652342] ? br_mdb_ip_get+0x940/0x940 [ 408.656409] ? kasan_check_write+0x14/0x20 [ 408.660651] ? do_raw_spin_lock+0xc1/0x200 [ 408.664913] br_multicast_port_group_expired+0x189/0x1e0 [ 408.670370] call_timer_fn+0x272/0x920 [ 408.674268] ? br_multicast_del_pg+0x790/0x790 [ 408.678851] ? process_timeout+0x40/0x40 [ 408.682925] ? find_held_lock+0x36/0x1c0 [ 408.686995] ? __run_timers+0x7da/0xc70 [ 408.690980] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.695478] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.699978] ? br_multicast_del_pg+0x790/0x790 [ 408.704564] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 408.709167] ? trace_hardirqs_on+0xbd/0x310 [ 408.713494] ? kasan_check_read+0x11/0x20 [ 408.717642] ? __run_timers+0x7da/0xc70 [ 408.721621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.727079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.731324] ? br_multicast_del_pg+0x790/0x790 [ 408.735926] __run_timers+0x7e5/0xc70 [ 408.739756] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.745121] ? compat_start_thread+0x80/0x80 [ 408.749537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.755084] ? _raw_spin_unlock_irq+0x60/0x80 [ 408.759583] ? finish_task_switch+0x1f5/0x900 [ 408.764078] ? finish_task_switch+0x1b5/0x900 [ 408.768578] ? __switch_to_asm+0x34/0x70 [ 408.772646] ? preempt_notifier_register+0x200/0x200 [ 408.777749] ? __switch_to_asm+0x34/0x70 [ 408.781831] ? __switch_to_asm+0x40/0x70 [ 408.785888] ? __switch_to_asm+0x34/0x70 [ 408.789981] ? __switch_to_asm+0x40/0x70 [ 408.794045] ? __switch_to_asm+0x34/0x70 [ 408.798105] ? __switch_to_asm+0x40/0x70 [ 408.802199] ? __switch_to_asm+0x40/0x70 [ 408.806285] ? pvclock_read_flags+0x160/0x160 [ 408.810786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.816323] ? check_preemption_disabled+0x48/0x200 [ 408.821356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.826640] ? rcu_pm_notify+0xc0/0xc0 [ 408.830528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.836066] ? check_preemption_disabled+0x48/0x200 [ 408.841093] run_timer_softirq+0x52/0xb0 [ 408.845158] ? rcu_read_lock_sched_held+0x108/0x120 [ 408.850181] __do_softirq+0x30b/0xad8 [ 408.853997] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.859100] ? trace_hardirqs_off_caller+0x300/0x300 [ 408.864213] ? retint_kernel+0x1b/0x2d [ 408.868113] ? schedule+0x108/0x460 [ 408.871771] ? __schedule+0x1ed0/0x1ed0 [ 408.875755] ? trace_hardirqs_off+0xb8/0x300 [ 408.880165] ? ___might_sleep+0x1ed/0x300 [ 408.884314] ? smpboot_thread_fn+0x68b/0xa00 [ 408.888737] ? trace_hardirqs_on+0x310/0x310 [ 408.893147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.898694] ? check_preemption_disabled+0x48/0x200 [ 408.903709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.909254] ? takeover_tasklets+0xa90/0xa90 [ 408.913667] run_ksoftirqd+0x94/0x100 [ 408.917471] smpboot_thread_fn+0x68b/0xa00 [ 408.921732] ? sort_range+0x30/0x30 [ 408.925367] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.930471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.936017] ? __kthread_parkme+0xfb/0x1a0 [ 408.940261] kthread+0x35a/0x420 [ 408.943627] ? sort_range+0x30/0x30 [ 408.947264] ? kthread_bind+0x40/0x40 [ 408.951067] ret_from_fork+0x3a/0x50 [ 408.954806] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 408.954838] warn_alloc_show_mem: 1 callbacks suppressed [ 408.954845] Mem-Info: [ 408.962096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.967468] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 408.967468] active_file:18 inactive_file:31 isolated_file:0 [ 408.967468] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.967468] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 408.967468] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 408.967468] free:13670 free_pcp:352 free_cma:0 [ 408.969846] Call Trace: [ 408.979267] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 409.012302] [ 409.014882] Node 0 [ 409.042824] dump_stack+0x1c4/0x2b4 [ 409.044967] 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 [ 409.047179] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.050785] lowmem_reserve[]: [ 409.076308] warn_alloc.cold.118+0xb7/0x1bd [ 409.081468] 0 [ 409.084569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.088870] 2815 [ 409.090669] ? lock_downgrade+0x900/0x900 [ 409.095489] 6318 [ 409.097564] ? trace_hardirqs_off+0xb8/0x300 [ 409.101679] 6318 [ 409.103753] ? trace_hardirqs_off+0xb8/0x300 [ 409.108135] Node 0 [ 409.110202] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.114611] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 409.116850] ? warn_alloc+0x120/0x120 [ 409.121642] lowmem_reserve[]: [ 409.148388] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.152164] 0 [ 409.155268] ? warn_alloc+0x120/0x120 [ 409.160258] 0 [ 409.162064] ? print_usage_bug+0xc0/0xc0 [ 409.165870] 3503 3503 [ 409.167676] ? warn_alloc+0x120/0x120 [ 409.174210] ? print_usage_bug+0xc0/0xc0 [ 409.177986] Node 0 [ 409.182041] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.182077] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 409.184286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.189441] lowmem_reserve[]: 0 [ 409.218078] ? should_fail+0x22d/0xd01 [ 409.223587] 0 [ 409.226866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.230733] 0 [ 409.232552] ? __lock_acquire+0x7ec/0x4ec0 [ 409.237642] 0 [ 409.239442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.245452] ? should_fail+0x22d/0xd01 [ 409.250535] Node 0 DMA: [ 409.254428] ? mark_held_locks+0x130/0x130 [ 409.254445] 1*4kB [ 409.257103] ? mark_held_locks+0x130/0x130 [ 409.261313] (U) [ 409.263456] ? print_usage_bug+0xc0/0xc0 [ 409.267685] 0*8kB [ 409.269659] ? find_held_lock+0x36/0x1c0 [ 409.273707] 0*16kB [ 409.275861] ? graph_lock+0x170/0x170 [ 409.279902] 1*32kB [ 409.282137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.285921] (U) [ 409.288153] ? check_preemption_disabled+0x48/0x200 [ 409.293666] 2*64kB [ 409.295638] ? check_preemption_disabled+0x48/0x200 [ 409.300631] (U) [ 409.302880] ? __lock_is_held+0xb5/0x140 [ 409.307865] 1*128kB [ 409.309854] __alloc_pages_nodemask+0xa80/0xde0 [ 409.313888] (U) [ 409.316205] ? graph_lock+0x170/0x170 [ 409.320851] 1*256kB [ 409.322826] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.326600] (U) 0*512kB [ 409.328935] ? graph_lock+0x170/0x170 [ 409.333940] 1*1024kB [ 409.336617] ? find_held_lock+0x36/0x1c0 [ 409.340391] (U) [ 409.342812] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.346842] 1*2048kB [ 409.348820] ? lock_downgrade+0x900/0x900 [ 409.353464] (M) [ 409.355895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.360032] 3*4096kB [ 409.362023] cache_grow_begin+0x91/0x8c0 [ 409.367540] (M) [ 409.369954] ? do_raw_spin_unlock+0xa7/0x2f0 [ 409.373990] = 15908kB [ 409.375965] fallback_alloc+0x203/0x2e0 [ 409.380348] Node 0 [ 409.382761] ____cache_alloc_node+0x1c7/0x1e0 [ 409.386711] DMA32: [ 409.388948] kmem_cache_alloc_node+0xe3/0x730 [ 409.393415] 4*4kB (UM) [ 409.395655] ? mark_held_locks+0xc7/0x130 [ 409.400124] 1*8kB [ 409.402713] __alloc_skb+0x119/0x770 [ 409.406831] (M) [ 409.408980] ? skb_scrub_packet+0x490/0x490 [ 409.412670] 3*16kB [ 409.414645] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 409.418939] (M) [ 409.421177] ? queue_work_on+0x12c/0x1e0 [ 409.425738] 3*32kB [ 409.427710] ? switchdev_port_obj_del+0xdc/0x450 [ 409.431743] (M) [ 409.433977] ? switchdev_trans_item_enqueue+0x260/0x260 [ 409.438711] 1*64kB [ 409.440687] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.446027] (M) [ 409.448264] __br_mdb_notify+0x4ff/0x15d0 [ 409.453254] 3*128kB [ 409.455247] ? __br_mdb_add+0x800/0x800 [ 409.459363] (UM) [ 409.461681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.461698] ? check_preemption_disabled+0x48/0x200 [ 409.465651] 3*256kB (UM) [ 409.467729] ? graph_lock+0x170/0x170 [ 409.473232] 4*512kB (UM) [ 409.478256] ? br_multicast_group_expired+0x96/0x610 [ 409.480993] 3*1024kB [ 409.484786] ? lock_downgrade+0x900/0x900 [ 409.487513] (M) 3*2048kB [ 409.492622] br_mdb_notify+0x310/0x410 [ 409.495003] (M) 3*4096kB [ 409.499158] ? br_mdb_dump+0x2530/0x2530 [ 409.501895] (M) [ 409.505782] ? kasan_check_write+0x14/0x20 [ 409.508514] = 24936kB [ 409.508524] Node 0 [ 409.512585] ? do_raw_spin_lock+0xc1/0x200 [ 409.514534] Normal: 1267*4kB [ 409.518781] br_multicast_group_expired+0x1bc/0x610 [ 409.521167] (UMEH) [ 409.523403] ? br_mdb_free+0x80/0x80 [ 409.527620] 430*8kB [ 409.530730] call_timer_fn+0x272/0x920 [ 409.535712] (UMEH) [ 409.537942] ? br_mdb_free+0x80/0x80 [ 409.541636] 212*16kB [ 409.543960] ? process_timeout+0x40/0x40 [ 409.547838] (UMEH) [ 409.550070] ? find_held_lock+0x36/0x1c0 [ 409.550094] ? __run_timers+0x7da/0xc70 [ 409.553783] 35*32kB [ 409.556190] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.560275] (MH) [ 409.562512] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.566554] 9*64kB [ 409.570519] ? br_mdb_free+0x80/0x80 [ 409.572820] (MH) [ 409.577313] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.579355] 1*128kB [ 409.583872] ? trace_hardirqs_on+0xbd/0x310 [ 409.586082] (H) [ 409.589797] ? kasan_check_read+0x11/0x20 [ 409.591840] 1*256kB [ 409.596425] ? __run_timers+0x7da/0xc70 [ 409.598720] (H) [ 409.603039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.604991] 0*512kB [ 409.609134] ? br_mdb_free+0x80/0x80 [ 409.611441] 0*1024kB [ 409.615415] ? br_mdb_free+0x80/0x80 [ 409.617364] 0*2048kB [ 409.622812] __run_timers+0x7e5/0xc70 [ 409.625111] 0*4096kB [ 409.628834] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.631209] = 13980kB [ 409.634916] ? check_preemption_disabled+0x48/0x200 [ 409.637316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.641100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.641125] ? rcu_irq_exit+0xce/0x100 [ 409.643526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.648909] ? irq_exit+0xbd/0x1c0 [ 409.651300] 4516 total pagecache pages [ 409.656315] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 409.665129] 0 pages in swap cache [ 409.670659] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.674533] Swap cache stats: add 0, delete 0, find 0/0 [ 409.674543] Free swap = 0kB [ 409.683134] ? retint_kernel+0x2d/0x2d [ 409.686655] Total swap = 0kB [ 409.690541] ? trace_hardirqs_on_caller+0xc0/0x300 [ 409.695544] 1965979 pages RAM [ 409.698996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.703733] 0 pages HighMem/MovableOnly [ 409.709094] ? trace_hardirqs_off_caller+0x300/0x300 [ 409.712091] 343324 pages reserved [ 409.715976] ? graph_lock+0x170/0x170 [ 409.718985] 0 pages cma reserved [ 409.723916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.727250] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.731756] ? check_preemption_disabled+0x48/0x200 [ 409.735709] ksoftirqd/0 cpuset= [ 409.740814] ? __lock_is_held+0xb5/0x140 [ 409.744233] / [ 409.748031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.751378] mems_allowed=0 [ 409.756910] ? check_preemption_disabled+0x48/0x200 [ 409.794674] run_timer_softirq+0x52/0xb0 [ 409.798739] ? rcu_read_lock_sched_held+0x108/0x120 [ 409.803763] __do_softirq+0x30b/0xad8 [ 409.807579] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 409.812693] ? pvclock_read_flags+0x160/0x160 [ 409.817189] ? lapic_next_event+0x5a/0x90 [ 409.821343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.826881] ? check_preemption_disabled+0x48/0x200 [ 409.831898] ? check_preemption_disabled+0x48/0x200 [ 409.836924] ? kvm_clock_read+0x18/0x30 [ 409.840902] ? kvm_sched_clock_read+0x9/0x20 [ 409.845319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.850857] ? check_preemption_disabled+0x48/0x200 [ 409.855889] irq_exit+0x17f/0x1c0 [ 409.859350] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.864203] ? smp_reschedule_interrupt+0x109/0x650 [ 409.869221] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.875118] ? interrupt_entry+0xb5/0xf0 [ 409.879183] ? trace_hardirqs_off_caller+0xbb/0x300 [ 409.884200] ? trace_hardirqs_off_caller+0xbb/0x300 [ 409.889246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.894092] ? trace_hardirqs_off+0x300/0x300 [ 409.898588] ? trace_hardirqs_off+0x300/0x300 [ 409.903086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.908622] ? check_preemption_disabled+0x48/0x200 [ 409.913651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.919210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.924067] apic_timer_interrupt+0xf/0x20 [ 409.928324] [ 409.930566] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 409.935503] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 409.954439] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 409.962149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 409.969420] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 409.976727] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 409.983991] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 409.991259] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 409.998894] skb_clone+0x1bb/0x500 [ 410.002457] ? skb_split+0x11e0/0x11e0 [ 410.006355] ? preempt_notifier_register+0x200/0x200 [ 410.011461] ? __switch_to_asm+0x34/0x70 [ 410.015523] ? __switch_to_asm+0x34/0x70 [ 410.019585] ? __switch_to_asm+0x40/0x70 [ 410.023646] ? __switch_to_asm+0x34/0x70 [ 410.027705] ? __switch_to_asm+0x40/0x70 [ 410.031768] ? __switch_to_asm+0x40/0x70 [ 410.035835] ? __switch_to_asm+0x34/0x70 [ 410.039898] ? __switch_to_asm+0x34/0x70 [ 410.043959] ? __switch_to_asm+0x40/0x70 [ 410.048021] ? __switch_to_asm+0x34/0x70 [ 410.052092] bpf_clone_redirect+0xb9/0x490 [ 410.056346] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 410.061386] ? __sched_text_start+0x8/0x8 [ 410.065540] ? retint_kernel+0x2d/0x2d [ 410.069449] ? find_held_lock+0x36/0x1c0 [ 410.073522] ? lock_acquire+0x1ed/0x520 [ 410.077500] ? bpf_test_run+0x32e/0x5a0 [ 410.081491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.087031] ? check_preemption_disabled+0x48/0x200 [ 410.092052] ? kasan_check_read+0x11/0x20 [ 410.096209] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.101489] ? rcu_bh_qs+0xc0/0xc0 [ 410.105487] ? preempt_schedule+0x4d/0x60 [ 410.109662] ? ___preempt_schedule+0x16/0x18 [ 410.114084] ? bpf_test_run+0x1c0/0x5a0 [ 410.118076] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.122493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.128038] ? bpf_test_init.isra.9+0x70/0x100 [ 410.132628] ? bpf_prog_test_run_skb+0x634/0xb40 [ 410.137395] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.142249] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.147786] ? fput+0x130/0x1a0 [ 410.151069] ? __bpf_prog_get+0x9b/0x290 [ 410.155138] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.159981] ? bpf_prog_test_run+0x130/0x1a0 [ 410.164395] ? __x64_sys_bpf+0x3d8/0x510 [ 410.168465] ? bpf_prog_get+0x20/0x20 [ 410.172297] ? do_syscall_64+0x1b9/0x820 [ 410.176361] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.181727] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.186659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.191525] ? trace_hardirqs_off+0x300/0x300 [ 410.196027] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.201047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.206582] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.211604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.216461] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.221851] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 410.222094] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.228707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.239180] syz-executor1 cpuset= [ 410.248520] Call Trace: [ 410.248530] syz1 [ 410.251996] dump_stack+0x1c4/0x2b4 [ 410.254548] mems_allowed=0 [ 410.256528] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.268244] warn_alloc.cold.118+0xb7/0x1bd [ 410.272574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.277425] ? lock_downgrade+0x900/0x900 [ 410.281587] ? trace_hardirqs_off+0xb8/0x300 [ 410.286007] ? trace_hardirqs_off+0xb8/0x300 [ 410.290428] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.295310] ? warn_alloc+0x120/0x120 [ 410.299119] ? warn_alloc+0x120/0x120 [ 410.302928] ? print_usage_bug+0xc0/0xc0 [ 410.306993] ? warn_alloc+0x120/0x120 [ 410.310795] ? print_usage_bug+0xc0/0xc0 [ 410.314862] ? check_usage+0x1a9/0x790 [ 410.318755] ? check_usage+0x1a9/0x790 [ 410.322661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.328229] ? should_fail+0x22d/0xd01 [ 410.332158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.337262] ? __lock_acquire+0x7ec/0x4ec0 [ 410.341503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.346621] ? __lock_acquire+0x7ec/0x4ec0 [ 410.350852] ? should_fail+0x22d/0xd01 [ 410.354740] ? lockdep_on+0x50/0x50 [ 410.358376] ? mark_held_locks+0x130/0x130 [ 410.362617] ? mark_held_locks+0x130/0x130 [ 410.366859] ? graph_lock+0x170/0x170 [ 410.370664] ? ret_from_fork+0x3a/0x50 [ 410.374568] ? kasan_check_read+0x11/0x20 [ 410.378723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.384261] ? check_preemption_disabled+0x48/0x200 [ 410.389277] ? check_preemption_disabled+0x48/0x200 [ 410.394306] ? __lock_is_held+0xb5/0x140 [ 410.398382] __alloc_pages_nodemask+0xa80/0xde0 [ 410.403055] ? graph_lock+0x170/0x170 [ 410.406859] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 410.411877] ? graph_lock+0x170/0x170 [ 410.415708] ? find_held_lock+0x36/0x1c0 [ 410.419784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.424464] ? lock_downgrade+0x900/0x900 [ 410.428638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.434181] cache_grow_begin+0x91/0x8c0 [ 410.438257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.442676] fallback_alloc+0x203/0x2e0 [ 410.446660] ____cache_alloc_node+0x1c7/0x1e0 [ 410.451163] kmem_cache_alloc_node+0xe3/0x730 [ 410.455665] ? mark_held_locks+0xc7/0x130 [ 410.459830] __alloc_skb+0x119/0x770 [ 410.463557] ? skb_scrub_packet+0x490/0x490 [ 410.467883] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 410.472479] ? queue_work_on+0x12c/0x1e0 [ 410.476554] ? switchdev_port_obj_del+0xdc/0x450 [ 410.481315] ? switchdev_trans_item_enqueue+0x260/0x260 [ 410.486687] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.491713] __br_mdb_notify+0x4ff/0x15d0 [ 410.495876] ? __br_mdb_add+0x800/0x800 [ 410.499866] ? __lock_acquire+0x7ec/0x4ec0 [ 410.504114] ? ___ratelimit+0x36f/0x655 [ 410.508099] ? debug_object_init_on_stack+0x20/0x20 [ 410.513121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.518671] br_mdb_notify+0x310/0x410 [ 410.522561] ? br_mdb_dump+0x2530/0x2530 [ 410.526644] br_multicast_del_pg+0x3df/0x790 [ 410.531063] ? br_mdb_ip_get+0x940/0x940 [ 410.535133] ? kasan_check_write+0x14/0x20 [ 410.539369] ? do_raw_spin_lock+0xc1/0x200 [ 410.543638] br_multicast_port_group_expired+0x189/0x1e0 [ 410.549104] call_timer_fn+0x272/0x920 [ 410.552992] ? br_multicast_del_pg+0x790/0x790 [ 410.557578] ? process_timeout+0x40/0x40 [ 410.561637] ? find_held_lock+0x36/0x1c0 [ 410.565707] ? __run_timers+0x7da/0xc70 [ 410.569719] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.574235] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.578737] ? br_multicast_del_pg+0x790/0x790 [ 410.583321] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 410.587916] ? trace_hardirqs_on+0xbd/0x310 [ 410.592243] ? kasan_check_read+0x11/0x20 [ 410.596394] ? __run_timers+0x7da/0xc70 [ 410.600399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.605855] ? br_multicast_del_pg+0x790/0x790 [ 410.610443] ? br_multicast_del_pg+0x790/0x790 [ 410.615030] __run_timers+0x7e5/0xc70 [ 410.618845] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.624209] ? compat_start_thread+0x80/0x80 [ 410.628624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.634172] ? _raw_spin_unlock_irq+0x60/0x80 [ 410.638673] ? finish_task_switch+0x1f5/0x900 [ 410.643169] ? finish_task_switch+0x1b5/0x900 [ 410.647666] ? __switch_to_asm+0x34/0x70 [ 410.651735] ? preempt_notifier_register+0x200/0x200 [ 410.656842] ? __switch_to_asm+0x34/0x70 [ 410.660905] ? __switch_to_asm+0x40/0x70 [ 410.664974] ? __switch_to_asm+0x34/0x70 [ 410.669034] ? __switch_to_asm+0x40/0x70 [ 410.673119] ? __switch_to_asm+0x34/0x70 [ 410.677178] ? __switch_to_asm+0x40/0x70 [ 410.681239] ? __switch_to_asm+0x40/0x70 [ 410.685320] ? pvclock_read_flags+0x160/0x160 [ 410.689817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.695355] ? check_preemption_disabled+0x48/0x200 [ 410.700387] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.705691] ? rcu_pm_notify+0xc0/0xc0 [ 410.709590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.715127] ? check_preemption_disabled+0x48/0x200 [ 410.720156] run_timer_softirq+0x52/0xb0 [ 410.724248] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.729282] __do_softirq+0x30b/0xad8 [ 410.733095] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.738205] ? trace_hardirqs_off_caller+0x300/0x300 [ 410.743306] ? retint_kernel+0x1b/0x2d [ 410.747204] ? schedule+0x108/0x460 [ 410.750849] ? __schedule+0x1ed0/0x1ed0 [ 410.754833] ? trace_hardirqs_off+0xb8/0x300 [ 410.759246] ? ___might_sleep+0x1ed/0x300 [ 410.763391] ? smpboot_thread_fn+0x68b/0xa00 [ 410.767800] ? trace_hardirqs_on+0x310/0x310 [ 410.772215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.777766] ? check_preemption_disabled+0x48/0x200 [ 410.782784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.788329] ? takeover_tasklets+0xa90/0xa90 [ 410.792770] run_ksoftirqd+0x94/0x100 [ 410.796574] smpboot_thread_fn+0x68b/0xa00 [ 410.800819] ? sort_range+0x30/0x30 [ 410.804465] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.809576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.815116] ? __kthread_parkme+0xfb/0x1a0 [ 410.819357] kthread+0x35a/0x420 [ 410.822725] ? sort_range+0x30/0x30 [ 410.826353] ? kthread_bind+0x40/0x40 [ 410.830159] ret_from_fork+0x3a/0x50 [ 410.833894] warn_alloc_show_mem: 1 callbacks suppressed [ 410.833907] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 410.833921] Mem-Info: [ 410.839289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.846571] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 410.846571] active_file:18 inactive_file:31 isolated_file:0 [ 410.846571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.846571] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 410.846571] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 410.846571] free:13670 free_pcp:352 free_cma:0 [ 410.848943] Call Trace: [ 410.858340] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.891373] [ 410.893948] Node 0 [ 410.921915] dump_stack+0x1c4/0x2b4 [ 410.924075] 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 [ 410.926288] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.929891] lowmem_reserve[]: [ 410.955419] warn_alloc.cold.118+0xb7/0x1bd [ 410.960574] 0 [ 410.963676] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.967967] 2815 6318 [ 410.969781] ? lock_downgrade+0x900/0x900 [ 410.974592] 6318 [ 410.977104] ? trace_hardirqs_off+0xb8/0x300 [ 410.981223] Node 0 [ 410.983285] ? trace_hardirqs_off+0xb8/0x300 [ 410.987697] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 410.989909] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.994296] lowmem_reserve[]: [ 411.021055] ? warn_alloc+0x120/0x120 [ 411.025849] 0 [ 411.028955] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.032730] 0 [ 411.034530] ? warn_alloc+0x120/0x120 [ 411.039524] 3503 [ 411.041350] ? print_usage_bug+0xc0/0xc0 [ 411.045114] 3503 [ 411.047182] ? warn_alloc+0x120/0x120 [ 411.051223] Node 0 [ 411.053296] ? print_usage_bug+0xc0/0xc0 [ 411.057101] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 411.059312] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.063347] lowmem_reserve[]: [ 411.091989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.097151] 0 [ 411.100276] ? should_fail+0x22d/0xd01 [ 411.105780] 0 [ 411.107606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.111466] 0 [ 411.113268] ? __lock_acquire+0x7ec/0x4ec0 [ 411.118342] 0 [ 411.120143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.126169] ? should_fail+0x22d/0xd01 [ 411.131254] Node 0 DMA: [ 411.135157] ? mark_held_locks+0x130/0x130 [ 411.135161] 1*4kB (U) [ 411.137835] ? mark_held_locks+0x130/0x130 [ 411.142049] 0*8kB [ 411.144548] ? print_usage_bug+0xc0/0xc0 [ 411.148760] 0*16kB [ 411.150908] ? find_held_lock+0x36/0x1c0 [ 411.154948] 1*32kB [ 411.157179] ? graph_lock+0x170/0x170 [ 411.161219] (U) [ 411.163458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.167231] 2*64kB [ 411.169205] ? check_preemption_disabled+0x48/0x200 [ 411.174712] (U) 1*128kB [ 411.176960] ? check_preemption_disabled+0x48/0x200 [ 411.181954] (U) [ 411.184627] ? __lock_is_held+0xb5/0x140 [ 411.189615] 1*256kB [ 411.191592] __alloc_pages_nodemask+0xa80/0xde0 [ 411.195624] (U) [ 411.197955] ? graph_lock+0x170/0x170 [ 411.202606] 0*512kB [ 411.204582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.208366] 1*1024kB [ 411.210689] ? graph_lock+0x170/0x170 [ 411.215681] (U) [ 411.218111] ? find_held_lock+0x36/0x1c0 [ 411.221883] 1*2048kB [ 411.223890] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.227923] (M) [ 411.230330] ? lock_downgrade+0x900/0x900 [ 411.234977] 3*4096kB [ 411.236960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.241079] (M) [ 411.243488] cache_grow_begin+0x91/0x8c0 [ 411.248999] = 15908kB [ 411.250978] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.255015] Node 0 [ 411.257434] fallback_alloc+0x203/0x2e0 [ 411.261811] DMA32: [ 411.264051] ____cache_alloc_node+0x1c7/0x1e0 [ 411.268004] 4*4kB [ 411.270256] kmem_cache_alloc_node+0xe3/0x730 [ 411.274725] (UM) [ 411.276870] ? mark_held_locks+0xc7/0x130 [ 411.281349] 1*8kB (M) [ 411.283430] __alloc_skb+0x119/0x770 [ 411.287545] 3*16kB [ 411.290042] ? skb_scrub_packet+0x490/0x490 [ 411.293731] (M) [ 411.295968] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 411.300267] 3*32kB [ 411.302250] ? queue_work_on+0x12c/0x1e0 [ 411.306816] (M) [ 411.309056] ? switchdev_port_obj_del+0xdc/0x450 [ 411.313093] 1*64kB [ 411.315065] ? switchdev_trans_item_enqueue+0x260/0x260 [ 411.319796] (M) [ 411.322031] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.327364] 3*128kB (UM) [ 411.329355] __br_mdb_notify+0x4ff/0x15d0 [ 411.334339] 3*256kB (UM) [ 411.337119] ? __br_mdb_add+0x800/0x800 [ 411.341235] 4*512kB (UM) [ 411.344008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.347957] 3*1024kB [ 411.350715] ? check_preemption_disabled+0x48/0x200 [ 411.356225] (M) [ 411.358638] ? graph_lock+0x170/0x170 [ 411.363646] 3*2048kB [ 411.365649] ? br_multicast_group_expired+0x96/0x610 [ 411.369414] (M) 3*4096kB [ 411.371835] ? lock_downgrade+0x900/0x900 [ 411.376915] (M) [ 411.379674] br_mdb_notify+0x310/0x410 [ 411.383793] = 24936kB [ 411.383802] Node 0 [ 411.385774] ? br_mdb_dump+0x2530/0x2530 [ 411.389643] Normal: [ 411.392055] ? kasan_check_write+0x14/0x20 [ 411.394271] 1267*4kB [ 411.398328] ? do_raw_spin_lock+0xc1/0x200 [ 411.400647] (UMEH) [ 411.404920] br_multicast_group_expired+0x1bc/0x610 [ 411.407322] 430*8kB [ 411.411548] ? br_mdb_free+0x80/0x80 [ 411.413763] (UMEH) [ 411.418783] call_timer_fn+0x272/0x920 [ 411.421076] 212*16kB [ 411.424781] ? br_mdb_free+0x80/0x80 [ 411.427000] (UMEH) [ 411.430886] ? process_timeout+0x40/0x40 [ 411.433277] 35*32kB [ 411.436987] ? find_held_lock+0x36/0x1c0 [ 411.439203] (MH) [ 411.443294] ? __run_timers+0x7da/0xc70 [ 411.445595] 9*64kB [ 411.449656] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.451706] (MH) [ 411.455675] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.457894] 1*128kB [ 411.462388] ? br_mdb_free+0x80/0x80 [ 411.462405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 411.464446] (H) [ 411.468938] ? trace_hardirqs_on+0xbd/0x310 [ 411.471237] 1*256kB [ 411.474944] ? kasan_check_read+0x11/0x20 [ 411.479505] (H) [ 411.481486] ? __run_timers+0x7da/0xc70 [ 411.485787] 0*512kB [ 411.488107] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.492231] 0*1024kB [ 411.494203] ? br_mdb_free+0x80/0x80 [ 411.498154] 0*2048kB [ 411.500477] ? br_mdb_free+0x80/0x80 [ 411.505899] 0*4096kB = 13980kB [ 411.508336] __run_timers+0x7e5/0xc70 [ 411.512035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.514451] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 411.518144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.521339] ? check_preemption_disabled+0x48/0x200 [ 411.525116] 4516 total pagecache pages [ 411.533949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.539296] 0 pages in swap cache [ 411.547866] ? rcu_irq_exit+0xce/0x100 [ 411.552858] Swap cache stats: add 0, delete 0, find 0/0 [ 411.556742] ? irq_exit+0xbd/0x1c0 [ 411.562267] Free swap = 0kB [ 411.565718] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 411.569578] Total swap = 0kB [ 411.574938] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.578451] 1965979 pages RAM [ 411.581464] ? retint_kernel+0x2d/0x2d [ 411.586470] 0 pages HighMem/MovableOnly [ 411.589485] ? trace_hardirqs_on_caller+0xc0/0x300 [ 411.594240] 343324 pages reserved [ 411.594248] 0 pages cma reserved [ 411.597384] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.601434] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.605221] ? trace_hardirqs_off_caller+0x300/0x300 [ 411.610131] ksoftirqd/0 cpuset= [ 411.613597] ? graph_lock+0x170/0x170 [ 411.616944] / [ 411.621703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.631997] mems_allowed=0 [ 411.637092] ? check_preemption_disabled+0x48/0x200 [ 411.659283] ? __lock_is_held+0xb5/0x140 [ 411.663353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.668898] ? check_preemption_disabled+0x48/0x200 [ 411.673926] run_timer_softirq+0x52/0xb0 [ 411.677994] ? rcu_read_lock_sched_held+0x108/0x120 [ 411.683026] __do_softirq+0x30b/0xad8 [ 411.686836] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 411.691960] ? pvclock_read_flags+0x160/0x160 [ 411.696484] ? lapic_next_event+0x5a/0x90 [ 411.700640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.706180] ? check_preemption_disabled+0x48/0x200 [ 411.711196] ? check_preemption_disabled+0x48/0x200 [ 411.716223] ? kvm_clock_read+0x18/0x30 [ 411.720197] ? kvm_sched_clock_read+0x9/0x20 [ 411.724606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.730167] ? check_preemption_disabled+0x48/0x200 [ 411.735199] irq_exit+0x17f/0x1c0 [ 411.738660] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.743516] ? smp_reschedule_interrupt+0x109/0x650 [ 411.748540] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.754432] ? interrupt_entry+0xb5/0xf0 [ 411.758497] ? trace_hardirqs_off_caller+0xbb/0x300 [ 411.763528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 411.768548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.773402] ? trace_hardirqs_off+0x300/0x300 [ 411.777909] ? trace_hardirqs_off+0x300/0x300 [ 411.782414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.787952] ? check_preemption_disabled+0x48/0x200 [ 411.792972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.798532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.803388] apic_timer_interrupt+0xf/0x20 [ 411.807628] [ 411.809876] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.814813] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 411.833717] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 411.841450] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.848714] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 411.855985] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 411.863262] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.870535] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 411.877861] skb_clone+0x1bb/0x500 [ 411.881403] ? skb_split+0x11e0/0x11e0 [ 411.885298] ? preempt_notifier_register+0x200/0x200 [ 411.890397] ? __switch_to_asm+0x34/0x70 [ 411.894477] ? __switch_to_asm+0x34/0x70 [ 411.898548] ? __switch_to_asm+0x40/0x70 [ 411.902605] ? __switch_to_asm+0x34/0x70 [ 411.906664] ? __switch_to_asm+0x40/0x70 [ 411.910727] ? __switch_to_asm+0x40/0x70 [ 411.914791] ? __switch_to_asm+0x34/0x70 [ 411.918861] ? __switch_to_asm+0x34/0x70 [ 411.922920] ? __switch_to_asm+0x40/0x70 [ 411.926980] ? __switch_to_asm+0x34/0x70 [ 411.931053] bpf_clone_redirect+0xb9/0x490 [ 411.935314] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 411.940341] ? __sched_text_start+0x8/0x8 [ 411.944492] ? retint_kernel+0x2d/0x2d [ 411.948404] ? find_held_lock+0x36/0x1c0 [ 411.952534] ? lock_acquire+0x1ed/0x520 [ 411.956559] ? bpf_test_run+0x32e/0x5a0 [ 411.960547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.966090] ? check_preemption_disabled+0x48/0x200 [ 411.971113] ? kasan_check_read+0x11/0x20 [ 411.975274] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.980567] ? rcu_bh_qs+0xc0/0xc0 [ 411.984124] ? preempt_schedule+0x4d/0x60 [ 411.988275] ? ___preempt_schedule+0x16/0x18 [ 411.992692] ? bpf_test_run+0x1c0/0x5a0 [ 411.996678] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.001674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.007212] ? bpf_test_init.isra.9+0x70/0x100 [ 412.011815] ? bpf_prog_test_run_skb+0x634/0xb40 [ 412.016593] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.021447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.026983] ? fput+0x130/0x1a0 [ 412.030264] ? __bpf_prog_get+0x9b/0x290 [ 412.034332] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.039177] ? bpf_prog_test_run+0x130/0x1a0 [ 412.043594] ? __x64_sys_bpf+0x3d8/0x510 [ 412.047656] ? bpf_prog_get+0x20/0x20 [ 412.051482] ? do_syscall_64+0x1b9/0x820 [ 412.055565] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.060944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.065876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.070727] ? trace_hardirqs_off+0x300/0x300 [ 412.075225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.080281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.085834] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.090868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.095723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.101111] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 412.101308] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.108083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.108093] Call Trace: [ 412.118571] syz-executor1 cpuset= [ 412.127938] dump_stack+0x1c4/0x2b4 [ 412.130492] syz1 [ 412.133946] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.137556] mems_allowed=0 [ 412.139536] warn_alloc.cold.118+0xb7/0x1bd [ 412.151945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.156794] ? lock_downgrade+0x900/0x900 [ 412.160958] ? trace_hardirqs_off+0xb8/0x300 [ 412.165376] ? trace_hardirqs_off+0xb8/0x300 [ 412.169794] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.174684] ? warn_alloc+0x120/0x120 [ 412.178493] ? warn_alloc+0x120/0x120 [ 412.183150] ? print_usage_bug+0xc0/0xc0 [ 412.187211] ? warn_alloc+0x120/0x120 [ 412.191010] ? print_usage_bug+0xc0/0xc0 [ 412.195073] ? check_usage+0x1a9/0x790 [ 412.198960] ? check_usage+0x1a9/0x790 [ 412.202859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.208416] ? should_fail+0x22d/0xd01 [ 412.212317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.217422] ? __lock_acquire+0x7ec/0x4ec0 [ 412.221666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.226770] ? __lock_acquire+0x7ec/0x4ec0 [ 412.231013] ? should_fail+0x22d/0xd01 [ 412.234900] ? lockdep_on+0x50/0x50 [ 412.238554] ? mark_held_locks+0x130/0x130 [ 412.242797] ? mark_held_locks+0x130/0x130 [ 412.247042] ? graph_lock+0x170/0x170 [ 412.250846] ? ret_from_fork+0x3a/0x50 [ 412.254740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.260278] ? check_preemption_disabled+0x48/0x200 [ 412.265293] ? check_preemption_disabled+0x48/0x200 [ 412.270319] ? __lock_is_held+0xb5/0x140 [ 412.274393] __alloc_pages_nodemask+0xa80/0xde0 [ 412.279066] ? graph_lock+0x170/0x170 [ 412.282872] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.287886] ? graph_lock+0x170/0x170 [ 412.291707] ? find_held_lock+0x36/0x1c0 [ 412.295784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.300453] ? lock_downgrade+0x900/0x900 [ 412.304611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.310158] cache_grow_begin+0x91/0x8c0 [ 412.314223] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.318640] fallback_alloc+0x203/0x2e0 [ 412.322622] ____cache_alloc_node+0x1c7/0x1e0 [ 412.327127] kmem_cache_alloc_node+0xe3/0x730 [ 412.331627] ? mark_held_locks+0xc7/0x130 [ 412.335792] __alloc_skb+0x119/0x770 [ 412.339521] ? skb_scrub_packet+0x490/0x490 [ 412.343846] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 412.348441] ? queue_work_on+0x12c/0x1e0 [ 412.352532] ? switchdev_port_obj_del+0xdc/0x450 [ 412.357319] ? switchdev_trans_item_enqueue+0x260/0x260 [ 412.362710] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.367751] __br_mdb_notify+0x4ff/0x15d0 [ 412.371928] ? __br_mdb_add+0x800/0x800 [ 412.375920] ? __lock_acquire+0x7ec/0x4ec0 [ 412.380164] ? ___ratelimit+0x36f/0x655 [ 412.384148] ? debug_object_init_on_stack+0x20/0x20 [ 412.389167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.394710] br_mdb_notify+0x310/0x410 [ 412.398602] ? br_mdb_dump+0x2530/0x2530 [ 412.402686] br_multicast_del_pg+0x3df/0x790 [ 412.407109] ? br_mdb_ip_get+0x940/0x940 [ 412.411178] ? kasan_check_write+0x14/0x20 [ 412.415420] ? do_raw_spin_lock+0xc1/0x200 [ 412.419665] br_multicast_port_group_expired+0x189/0x1e0 [ 412.425123] call_timer_fn+0x272/0x920 [ 412.429014] ? br_multicast_del_pg+0x790/0x790 [ 412.433604] ? process_timeout+0x40/0x40 [ 412.437664] ? find_held_lock+0x36/0x1c0 [ 412.441739] ? __run_timers+0x7da/0xc70 [ 412.445718] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.450212] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.454706] ? br_multicast_del_pg+0x790/0x790 [ 412.459293] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.463882] ? trace_hardirqs_on+0xbd/0x310 [ 412.468209] ? kasan_check_read+0x11/0x20 [ 412.472363] ? __run_timers+0x7da/0xc70 [ 412.476339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.481797] ? br_multicast_del_pg+0x790/0x790 [ 412.486389] ? br_multicast_del_pg+0x790/0x790 [ 412.490976] __run_timers+0x7e5/0xc70 [ 412.494798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.500166] ? compat_start_thread+0x80/0x80 [ 412.504582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.510128] ? _raw_spin_unlock_irq+0x60/0x80 [ 412.514628] ? finish_task_switch+0x1f5/0x900 [ 412.519121] ? finish_task_switch+0x1b5/0x900 [ 412.523652] ? __switch_to_asm+0x34/0x70 [ 412.527716] ? preempt_notifier_register+0x200/0x200 [ 412.532821] ? __switch_to_asm+0x34/0x70 [ 412.536879] ? __switch_to_asm+0x40/0x70 [ 412.540946] ? __switch_to_asm+0x34/0x70 [ 412.545006] ? __switch_to_asm+0x40/0x70 [ 412.549068] ? __switch_to_asm+0x34/0x70 [ 412.553126] ? __switch_to_asm+0x40/0x70 [ 412.557186] ? __switch_to_asm+0x40/0x70 [ 412.561271] ? pvclock_read_flags+0x160/0x160 [ 412.565807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.571343] ? check_preemption_disabled+0x48/0x200 [ 412.576365] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.581673] ? rcu_pm_notify+0xc0/0xc0 [ 412.585572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.591124] ? check_preemption_disabled+0x48/0x200 [ 412.596151] run_timer_softirq+0x52/0xb0 [ 412.600214] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.605246] __do_softirq+0x30b/0xad8 [ 412.609061] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.614170] ? trace_hardirqs_off_caller+0x300/0x300 [ 412.619271] ? retint_kernel+0x1b/0x2d [ 412.623172] ? schedule+0x108/0x460 [ 412.626803] ? __schedule+0x1ed0/0x1ed0 [ 412.630785] ? trace_hardirqs_off+0xb8/0x300 [ 412.635196] ? ___might_sleep+0x1ed/0x300 [ 412.639365] ? smpboot_thread_fn+0x68b/0xa00 [ 412.643775] ? trace_hardirqs_on+0x310/0x310 [ 412.648185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.653724] ? check_preemption_disabled+0x48/0x200 [ 412.658737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.664285] ? takeover_tasklets+0xa90/0xa90 [ 412.668701] run_ksoftirqd+0x94/0x100 [ 412.672502] smpboot_thread_fn+0x68b/0xa00 [ 412.676752] ? sort_range+0x30/0x30 [ 412.680381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.685486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.691055] ? __kthread_parkme+0xfb/0x1a0 [ 412.695298] kthread+0x35a/0x420 [ 412.698664] ? sort_range+0x30/0x30 [ 412.702301] ? kthread_bind+0x40/0x40 [ 412.706103] ret_from_fork+0x3a/0x50 [ 412.709832] warn_alloc_show_mem: 1 callbacks suppressed [ 412.709844] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 412.709847] Mem-Info: [ 412.709880] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 412.709880] active_file:18 inactive_file:31 isolated_file:0 [ 412.709880] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.709880] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 412.709880] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 412.709880] free:13670 free_pcp:352 free_cma:0 [ 412.715217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.715225] Call Trace: [ 412.722523] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.724925] [ 412.757966] Node 0 [ 412.767352] dump_stack+0x1c4/0x2b4 [ 412.769940] 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 [ 412.797846] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.799973] lowmem_reserve[]: [ 412.802234] warn_alloc.cold.118+0xb7/0x1bd [ 412.805827] 0 [ 412.831339] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.836503] 2815 [ 412.839608] ? lock_downgrade+0x900/0x900 [ 412.843928] 6318 [ 412.845733] ? trace_hardirqs_off+0xb8/0x300 [ 412.850542] 6318 [ 412.852613] ? trace_hardirqs_off+0xb8/0x300 [ 412.856745] Node 0 [ 412.858821] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.863227] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 412.865282] ? warn_alloc+0x120/0x120 [ 412.869645] lowmem_reserve[]: [ 412.871885] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.876706] 0 [ 412.903508] ? warn_alloc+0x120/0x120 [ 412.907293] 0 [ 412.910396] ? print_usage_bug+0xc0/0xc0 [ 412.915384] 3503 [ 412.917191] ? warn_alloc+0x120/0x120 [ 412.920969] 3503 [ 412.922771] ? print_usage_bug+0xc0/0xc0 [ 412.928898] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.932684] Node 0 [ 412.934752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.938810] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 412.943978] ? should_fail+0x22d/0xd01 [ 412.946183] lowmem_reserve[]: [ 412.951718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.980347] 0 [ 412.984236] ? __lock_acquire+0x7ec/0x4ec0 [ 412.987327] 0 [ 412.992432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.994207] 0 [ 412.998448] ? should_fail+0x22d/0xd01 [ 413.000229] 0 [ 413.005351] ? mark_held_locks+0x130/0x130 [ 413.007126] Node 0 [ 413.011011] ? mark_held_locks+0x130/0x130 [ 413.012796] DMA: 1*4kB [ 413.017038] ? print_usage_bug+0xc0/0xc0 [ 413.019254] (U) [ 413.023487] ? find_held_lock+0x36/0x1c0 [ 413.026052] 0*8kB [ 413.030108] ? graph_lock+0x170/0x170 [ 413.032063] 0*16kB [ 413.036125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.038251] 1*32kB [ 413.042049] ? check_preemption_disabled+0x48/0x200 [ 413.044261] (U) [ 413.049795] ? check_preemption_disabled+0x48/0x200 [ 413.052010] 2*64kB [ 413.057027] ? __lock_is_held+0xb5/0x140 [ 413.058973] (U) [ 413.063994] __alloc_pages_nodemask+0xa80/0xde0 [ 413.066198] 1*128kB (U) [ 413.070266] ? graph_lock+0x170/0x170 [ 413.072220] 1*256kB [ 413.076884] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.079538] (U) [ 413.083333] ? graph_lock+0x170/0x170 [ 413.085652] 0*512kB [ 413.090670] ? find_held_lock+0x36/0x1c0 [ 413.092617] 1*1024kB [ 413.096450] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.098731] (U) [ 413.102800] ? lock_downgrade+0x900/0x900 [ 413.105190] 1*2048kB [ 413.109862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.111806] (M) [ 413.115951] cache_grow_begin+0x91/0x8c0 [ 413.118350] 3*4096kB [ 413.123886] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.125861] (M) [ 413.129928] fallback_alloc+0x203/0x2e0 [ 413.132320] = 15908kB [ 413.136731] ____cache_alloc_node+0x1c7/0x1e0 [ 413.138687] Node 0 [ 413.142659] kmem_cache_alloc_node+0xe3/0x730 [ 413.145041] DMA32: 4*4kB [ 413.149544] ? mark_held_locks+0xc7/0x130 [ 413.151759] (UM) [ 413.156275] __alloc_skb+0x119/0x770 [ 413.159015] 1*8kB (M) [ 413.163178] ? skb_scrub_packet+0x490/0x490 [ 413.165221] 3*16kB [ 413.168937] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 413.171416] (M) [ 413.175747] ? queue_work_on+0x12c/0x1e0 [ 413.177963] 3*32kB [ 413.182546] ? switchdev_port_obj_del+0xdc/0x450 [ 413.184496] (M) [ 413.188562] ? switchdev_trans_item_enqueue+0x260/0x260 [ 413.190778] 1*64kB [ 413.195535] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.197485] (M) [ 413.202849] __br_mdb_notify+0x4ff/0x15d0 [ 413.205060] 3*128kB [ 413.210081] ? __br_mdb_add+0x800/0x800 [ 413.212029] (UM) [ 413.216177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.218476] 3*256kB [ 413.222446] ? check_preemption_disabled+0x48/0x200 [ 413.224483] (UM) [ 413.230021] ? graph_lock+0x170/0x170 [ 413.232317] 4*512kB [ 413.237338] ? br_multicast_group_expired+0x96/0x610 [ 413.239371] (UM) [ 413.243173] ? lock_downgrade+0x900/0x900 [ 413.245489] 3*1024kB [ 413.250590] br_mdb_notify+0x310/0x410 [ 413.252627] (M) [ 413.256769] ? br_mdb_dump+0x2530/0x2530 [ 413.259160] 3*2048kB [ 413.263049] ? kasan_check_write+0x14/0x20 [ 413.265005] (M) [ 413.269072] ? do_raw_spin_lock+0xc1/0x200 [ 413.271462] 3*4096kB [ 413.275705] br_multicast_group_expired+0x1bc/0x610 [ 413.277659] (M) [ 413.281891] ? br_mdb_free+0x80/0x80 [ 413.284293] = 24936kB [ 413.289346] call_timer_fn+0x272/0x920 [ 413.291290] Node 0 [ 413.294998] ? br_mdb_free+0x80/0x80 [ 413.297422] Normal: [ 413.301328] ? process_timeout+0x40/0x40 [ 413.303556] 1267*4kB [ 413.307267] ? find_held_lock+0x36/0x1c0 [ 413.309569] (UMEH) [ 413.313646] ? __run_timers+0x7da/0xc70 [ 413.316027] 430*8kB [ 413.320315] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.322528] (UMEH) [ 413.326501] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.328810] 212*16kB (UMEH) [ 413.333317] ? br_mdb_free+0x80/0x80 [ 413.335529] 35*32kB (MH) [ 413.340035] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.343030] 9*64kB [ 413.346764] ? trace_hardirqs_on+0xbd/0x310 [ 413.349516] (MH) [ 413.354086] ? kasan_check_read+0x11/0x20 [ 413.354106] ? __run_timers+0x7da/0xc70 [ 413.356325] 1*128kB [ 413.360656] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.362696] (H) [ 413.366845] ? br_mdb_free+0x80/0x80 [ 413.370795] 1*256kB (H) [ 413.373127] ? br_mdb_free+0x80/0x80 [ 413.378555] 0*512kB [ 413.380537] __run_timers+0x7e5/0xc70 [ 413.380567] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.384248] 0*1024kB [ 413.386918] ? check_preemption_disabled+0x48/0x200 [ 413.390614] 0*2048kB [ 413.392931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.392956] ? rcu_irq_exit+0xce/0x100 [ 413.396742] 0*4096kB [ 413.402103] ? irq_exit+0xbd/0x1c0 [ 413.404488] = 13980kB [ 413.409507] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.411902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.417439] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.421304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.423704] ? retint_kernel+0x2d/0x2d [ 413.427222] 4516 total pagecache pages [ 413.429631] ? trace_hardirqs_on_caller+0xc0/0x300 [ 413.434628] 0 pages in swap cache [ 413.443452] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.448186] Swap cache stats: add 0, delete 0, find 0/0 [ 413.448196] Free swap = 0kB [ 413.456772] ? trace_hardirqs_off_caller+0x300/0x300 [ 413.460672] Total swap = 0kB [ 413.464555] ? graph_lock+0x170/0x170 [ 413.469457] 1965979 pages RAM [ 413.472912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.477638] 0 pages HighMem/MovableOnly [ 413.477648] 343324 pages reserved [ 413.483006] ? check_preemption_disabled+0x48/0x200 [ 413.486001] 0 pages cma reserved [ 413.491113] ? __lock_is_held+0xb5/0x140 [ 413.494327] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.497898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.500986] ksoftirqd/0 cpuset= [ 413.506516] ? check_preemption_disabled+0x48/0x200 [ 413.510476] / [ 413.513935] run_timer_softirq+0x52/0xb0 [ 413.518933] mems_allowed=0 [ 413.522300] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.564110] __do_softirq+0x30b/0xad8 [ 413.567932] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.573050] ? pvclock_read_flags+0x160/0x160 [ 413.577573] ? lapic_next_event+0x5a/0x90 [ 413.581725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.587275] ? check_preemption_disabled+0x48/0x200 [ 413.592302] ? check_preemption_disabled+0x48/0x200 [ 413.597330] ? kvm_clock_read+0x18/0x30 [ 413.601316] ? kvm_sched_clock_read+0x9/0x20 [ 413.605732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.611288] ? check_preemption_disabled+0x48/0x200 [ 413.616327] irq_exit+0x17f/0x1c0 [ 413.619789] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.624635] ? smp_reschedule_interrupt+0x109/0x650 [ 413.629658] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.635551] ? interrupt_entry+0xb5/0xf0 [ 413.639622] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.644639] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.649663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.654518] ? trace_hardirqs_off+0x300/0x300 [ 413.659015] ? trace_hardirqs_off+0x300/0x300 [ 413.663523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.669063] ? check_preemption_disabled+0x48/0x200 [ 413.674077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.679636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.684493] apic_timer_interrupt+0xf/0x20 [ 413.688726] [ 413.690971] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.695908] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 413.714810] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 413.722524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.729794] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 413.737064] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 413.744346] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.751614] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 413.758943] skb_clone+0x1bb/0x500 [ 413.762489] ? skb_split+0x11e0/0x11e0 [ 413.766387] ? preempt_notifier_register+0x200/0x200 [ 413.771500] ? __switch_to_asm+0x34/0x70 [ 413.775567] ? __switch_to_asm+0x34/0x70 [ 413.779629] ? __switch_to_asm+0x40/0x70 [ 413.783689] ? __switch_to_asm+0x34/0x70 [ 413.787747] ? __switch_to_asm+0x40/0x70 [ 413.791809] ? __switch_to_asm+0x40/0x70 [ 413.795874] ? __switch_to_asm+0x34/0x70 [ 413.799936] ? __switch_to_asm+0x34/0x70 [ 413.803999] ? __switch_to_asm+0x40/0x70 [ 413.808065] ? __switch_to_asm+0x34/0x70 [ 413.812152] bpf_clone_redirect+0xb9/0x490 [ 413.816407] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 413.821447] ? __sched_text_start+0x8/0x8 [ 413.825605] ? retint_kernel+0x2d/0x2d [ 413.829510] ? find_held_lock+0x36/0x1c0 [ 413.833583] ? lock_acquire+0x1ed/0x520 [ 413.837562] ? bpf_test_run+0x32e/0x5a0 [ 413.841546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.847086] ? check_preemption_disabled+0x48/0x200 [ 413.852110] ? kasan_check_read+0x11/0x20 [ 413.856263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.861541] ? rcu_bh_qs+0xc0/0xc0 [ 413.865091] ? preempt_schedule+0x4d/0x60 [ 413.869243] ? ___preempt_schedule+0x16/0x18 [ 413.873661] ? bpf_test_run+0x1c0/0x5a0 [ 413.877653] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.882075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.887620] ? bpf_test_init.isra.9+0x70/0x100 [ 413.892216] ? bpf_prog_test_run_skb+0x634/0xb40 [ 413.896982] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.901828] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.907388] ? fput+0x130/0x1a0 [ 413.910718] ? __bpf_prog_get+0x9b/0x290 [ 413.914782] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.919629] ? bpf_prog_test_run+0x130/0x1a0 [ 413.924044] ? __x64_sys_bpf+0x3d8/0x510 [ 413.928140] ? bpf_prog_get+0x20/0x20 [ 413.931980] ? do_syscall_64+0x1b9/0x820 [ 413.936045] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.941424] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.946355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.951204] ? trace_hardirqs_off+0x300/0x300 [ 413.955708] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.960745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.966309] ? prepare_exit_to_usermode+0x291/0x3b0 [ 413.971341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.976196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.981586] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 413.988347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.998148] Call Trace: [ 414.000749] dump_stack+0x1c4/0x2b4 [ 414.004378] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.009586] warn_alloc.cold.118+0xb7/0x1bd [ 414.013915] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.018765] ? lock_downgrade+0x900/0x900 [ 414.022931] ? trace_hardirqs_off+0xb8/0x300 [ 414.027351] ? trace_hardirqs_off+0xb8/0x300 [ 414.031772] __alloc_pages_slowpath+0x2667/0x2d80 [ 414.036666] ? warn_alloc+0x120/0x120 [ 414.040478] ? warn_alloc+0x120/0x120 [ 414.044293] ? print_usage_bug+0xc0/0xc0 [ 414.048441] ? warn_alloc+0x120/0x120 [ 414.052247] ? print_usage_bug+0xc0/0xc0 [ 414.056421] ? check_usage+0x1a9/0x790 [ 414.060311] ? check_usage+0x1a9/0x790 [ 414.064211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.069767] ? should_fail+0x22d/0xd01 [ 414.073737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.078862] ? __lock_acquire+0x7ec/0x4ec0 [ 414.083107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.088219] ? __lock_acquire+0x7ec/0x4ec0 [ 414.092464] ? should_fail+0x22d/0xd01 [ 414.096353] ? lockdep_on+0x50/0x50 [ 414.099990] ? mark_held_locks+0x130/0x130 [ 414.104229] ? mark_held_locks+0x130/0x130 [ 414.108671] ? graph_lock+0x170/0x170 [ 414.112479] ? ret_from_fork+0x3a/0x50 [ 414.116380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.121925] ? check_preemption_disabled+0x48/0x200 [ 414.126944] ? check_preemption_disabled+0x48/0x200 [ 414.131976] ? __lock_is_held+0xb5/0x140 [ 414.136053] __alloc_pages_nodemask+0xa80/0xde0 [ 414.140727] ? graph_lock+0x170/0x170 [ 414.144535] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.149555] ? graph_lock+0x170/0x170 [ 414.153370] ? find_held_lock+0x36/0x1c0 [ 414.157447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.162118] ? lock_downgrade+0x900/0x900 [ 414.166287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.171833] cache_grow_begin+0x91/0x8c0 [ 414.175896] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.180344] fallback_alloc+0x203/0x2e0 [ 414.184328] ____cache_alloc_node+0x1c7/0x1e0 [ 414.188832] kmem_cache_alloc_node+0xe3/0x730 [ 414.193327] ? mark_held_locks+0xc7/0x130 [ 414.197508] __alloc_skb+0x119/0x770 [ 414.201231] ? skb_scrub_packet+0x490/0x490 [ 414.205558] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 414.210152] ? queue_work_on+0x12c/0x1e0 [ 414.214223] ? switchdev_port_obj_del+0xdc/0x450 [ 414.218995] ? switchdev_trans_item_enqueue+0x260/0x260 [ 414.224380] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 414.229415] __br_mdb_notify+0x4ff/0x15d0 [ 414.233578] ? __br_mdb_add+0x800/0x800 [ 414.237566] ? __lock_acquire+0x7ec/0x4ec0 [ 414.241811] ? ___ratelimit+0x36f/0x655 [ 414.245797] ? debug_object_init_on_stack+0x20/0x20 [ 414.250852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.256408] br_mdb_notify+0x310/0x410 [ 414.260300] ? br_mdb_dump+0x2530/0x2530 [ 414.264390] br_multicast_del_pg+0x3df/0x790 [ 414.268807] ? br_mdb_ip_get+0x940/0x940 [ 414.272879] ? kasan_check_write+0x14/0x20 [ 414.277122] ? do_raw_spin_lock+0xc1/0x200 [ 414.281371] br_multicast_port_group_expired+0x189/0x1e0 [ 414.286829] call_timer_fn+0x272/0x920 [ 414.290720] ? br_multicast_del_pg+0x790/0x790 [ 414.295303] ? process_timeout+0x40/0x40 [ 414.299360] ? find_held_lock+0x36/0x1c0 [ 414.303431] ? __run_timers+0x7da/0xc70 [ 414.307410] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.311930] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.316421] ? br_multicast_del_pg+0x790/0x790 [ 414.321002] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 414.325606] ? trace_hardirqs_on+0xbd/0x310 [ 414.329954] ? kasan_check_read+0x11/0x20 [ 414.334101] ? __run_timers+0x7da/0xc70 [ 414.338079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.343536] ? br_multicast_del_pg+0x790/0x790 [ 414.348128] ? br_multicast_del_pg+0x790/0x790 [ 414.352714] __run_timers+0x7e5/0xc70 [ 414.356553] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 414.361924] ? compat_start_thread+0x80/0x80 [ 414.366342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.371888] ? _raw_spin_unlock_irq+0x60/0x80 [ 414.376402] ? finish_task_switch+0x1f5/0x900 [ 414.380899] ? finish_task_switch+0x1b5/0x900 [ 414.385398] ? __switch_to_asm+0x34/0x70 [ 414.389463] ? preempt_notifier_register+0x200/0x200 [ 414.394568] ? __switch_to_asm+0x34/0x70 [ 414.398633] ? __switch_to_asm+0x40/0x70 [ 414.402692] ? __switch_to_asm+0x34/0x70 [ 414.406750] ? __switch_to_asm+0x40/0x70 [ 414.410811] ? __switch_to_asm+0x34/0x70 [ 414.414886] ? __switch_to_asm+0x40/0x70 [ 414.418954] ? __switch_to_asm+0x40/0x70 [ 414.423025] ? pvclock_read_flags+0x160/0x160 [ 414.427550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.433087] ? check_preemption_disabled+0x48/0x200 [ 414.438119] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.443401] ? rcu_pm_notify+0xc0/0xc0 [ 414.447289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.452825] ? check_preemption_disabled+0x48/0x200 [ 414.457863] run_timer_softirq+0x52/0xb0 [ 414.461930] ? rcu_read_lock_sched_held+0x108/0x120 [ 414.466950] __do_softirq+0x30b/0xad8 [ 414.470764] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 414.475870] ? trace_hardirqs_off_caller+0x300/0x300 [ 414.480969] ? retint_kernel+0x1b/0x2d [ 414.484867] ? schedule+0x108/0x460 [ 414.488499] ? __schedule+0x1ed0/0x1ed0 [ 414.492479] ? trace_hardirqs_off+0xb8/0x300 [ 414.496889] ? ___might_sleep+0x1ed/0x300 [ 414.501040] ? smpboot_thread_fn+0x68b/0xa00 [ 414.505448] ? trace_hardirqs_on+0x310/0x310 [ 414.509884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.515423] ? check_preemption_disabled+0x48/0x200 [ 414.520443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.525985] ? takeover_tasklets+0xa90/0xa90 [ 414.530408] run_ksoftirqd+0x94/0x100 [ 414.534210] smpboot_thread_fn+0x68b/0xa00 [ 414.538477] ? sort_range+0x30/0x30 [ 414.542143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.547247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.552790] ? __kthread_parkme+0xfb/0x1a0 [ 414.557028] kthread+0x35a/0x420 [ 414.560392] ? sort_range+0x30/0x30 [ 414.564033] ? kthread_bind+0x40/0x40 [ 414.567838] ret_from_fork+0x3a/0x50 [ 414.571568] warn_alloc_show_mem: 1 callbacks suppressed [ 414.571574] Mem-Info: [ 414.579380] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 414.579380] active_file:18 inactive_file:31 isolated_file:0 [ 414.579380] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.579380] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 414.579380] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 414.579380] free:13670 free_pcp:352 free_cma:0 [ 414.612507] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.640523] 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 [ 414.666661] lowmem_reserve[]: 0 2815 6318 6318 [ 414.671267] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 414.698644] lowmem_reserve[]: 0 0 3503 3503 [ 414.702990] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 414.732262] lowmem_reserve[]: 0 0 0 0 [ 414.736090] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 414.749744] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 414.764978] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 414.780198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 414.789058] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 414.797624] 4516 total pagecache pages [ 414.801518] 0 pages in swap cache [ 414.804969] Swap cache stats: add 0, delete 0, find 0/0 [ 414.810326] Free swap = 0kB [ 414.813334] Total swap = 0kB [ 414.816342] 1965979 pages RAM [ 414.819447] 0 pages HighMem/MovableOnly [ 414.823408] 343324 pages reserved [ 414.826873] 0 pages cma reserved [ 414.830374] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.830387] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.830397] syz-executor1 cpuset= [ 414.840706] ksoftirqd/0 cpuset= [ 414.851190] syz1 mems_allowed=0 [ 414.857933] / mems_allowed=0 [ 414.861214] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 414.871503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.880867] Call Trace: [ 414.883450] [ 414.885610] dump_stack+0x1c4/0x2b4 [ 414.889241] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.894448] warn_alloc.cold.118+0xb7/0x1bd [ 414.898787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.903639] ? lock_downgrade+0x900/0x900 [ 414.907800] ? trace_hardirqs_off+0xb8/0x300 [ 414.912219] ? trace_hardirqs_off+0xb8/0x300 [ 414.916652] __alloc_pages_slowpath+0x2667/0x2d80 [ 414.921537] ? warn_alloc+0x120/0x120 [ 414.925347] ? warn_alloc+0x120/0x120 [ 414.929200] ? print_usage_bug+0xc0/0xc0 [ 414.933278] ? warn_alloc+0x120/0x120 [ 414.937081] ? print_usage_bug+0xc0/0xc0 [ 414.941153] ? find_held_lock+0x36/0x1c0 [ 414.945218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.950768] ? should_fail+0x22d/0xd01 [ 414.954675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.959776] ? __lock_acquire+0x7ec/0x4ec0 [ 414.964026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.969129] ? should_fail+0x22d/0xd01 [ 414.973029] ? mark_held_locks+0x130/0x130 [ 414.977352] ? mark_held_locks+0x130/0x130 [ 414.981586] ? print_usage_bug+0xc0/0xc0 [ 414.985653] ? find_held_lock+0x36/0x1c0 [ 414.989718] ? graph_lock+0x170/0x170 [ 414.993531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.999066] ? check_preemption_disabled+0x48/0x200 [ 415.004094] ? check_preemption_disabled+0x48/0x200 [ 415.009126] ? __lock_is_held+0xb5/0x140 [ 415.013207] __alloc_pages_nodemask+0xa80/0xde0 [ 415.017893] ? graph_lock+0x170/0x170 [ 415.021702] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.026722] ? graph_lock+0x170/0x170 [ 415.030545] ? find_held_lock+0x36/0x1c0 [ 415.034621] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.039319] ? lock_downgrade+0x900/0x900 [ 415.043482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.049032] cache_grow_begin+0x91/0x8c0 [ 415.053099] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.057526] fallback_alloc+0x203/0x2e0 [ 415.061516] ____cache_alloc_node+0x1c7/0x1e0 [ 415.066019] kmem_cache_alloc_node+0xe3/0x730 [ 415.070526] ? mark_held_locks+0xc7/0x130 [ 415.074691] __alloc_skb+0x119/0x770 [ 415.078416] ? skb_scrub_packet+0x490/0x490 [ 415.082747] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 415.087341] ? queue_work_on+0x12c/0x1e0 [ 415.091416] ? switchdev_port_obj_del+0xdc/0x450 [ 415.096189] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.101563] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.106588] __br_mdb_notify+0x4ff/0x15d0 [ 415.110749] ? __br_mdb_add+0x800/0x800 [ 415.114725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.120265] ? check_preemption_disabled+0x48/0x200 [ 415.125303] ? br_multicast_group_expired+0x96/0x610 [ 415.130417] ? lock_downgrade+0x900/0x900 [ 415.134579] br_mdb_notify+0x310/0x410 [ 415.138470] ? br_mdb_dump+0x2530/0x2530 [ 415.142551] ? do_raw_spin_lock+0x1a7/0x200 [ 415.146881] br_multicast_group_expired+0x1bc/0x610 [ 415.151900] ? br_mdb_free+0x80/0x80 [ 415.155630] call_timer_fn+0x272/0x920 [ 415.159523] ? br_mdb_free+0x80/0x80 [ 415.163245] ? process_timeout+0x40/0x40 [ 415.167306] ? find_held_lock+0x36/0x1c0 [ 415.171377] ? __run_timers+0x7da/0xc70 [ 415.175359] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.179858] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.184358] ? br_mdb_free+0x80/0x80 [ 415.188081] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.192676] ? trace_hardirqs_on+0xbd/0x310 [ 415.197032] ? kasan_check_read+0x11/0x20 [ 415.201183] ? __run_timers+0x7da/0xc70 [ 415.205187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.210639] ? br_mdb_free+0x80/0x80 [ 415.214358] ? br_mdb_free+0x80/0x80 [ 415.218079] __run_timers+0x7e5/0xc70 [ 415.221898] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.227262] ? check_preemption_disabled+0x48/0x200 [ 415.232279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.237826] ? rcu_irq_exit+0xce/0x100 [ 415.241722] ? irq_exit+0xbd/0x1c0 [ 415.245271] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 415.250292] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.255050] ? retint_kernel+0x2d/0x2d [ 415.258941] ? trace_hardirqs_on_caller+0xc0/0x300 [ 415.263875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.268659] ? trace_hardirqs_off_caller+0x300/0x300 [ 415.273764] ? graph_lock+0x170/0x170 [ 415.277581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.283123] ? check_preemption_disabled+0x48/0x200 [ 415.288151] ? __lock_is_held+0xb5/0x140 [ 415.292213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.297754] ? check_preemption_disabled+0x48/0x200 [ 415.302782] run_timer_softirq+0x52/0xb0 [ 415.306860] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.311880] __do_softirq+0x30b/0xad8 [ 415.315695] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.320809] ? pvclock_read_flags+0x160/0x160 [ 415.325306] ? lapic_next_event+0x5a/0x90 [ 415.329458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.334993] ? check_preemption_disabled+0x48/0x200 [ 415.340006] ? check_preemption_disabled+0x48/0x200 [ 415.345032] ? kvm_clock_read+0x18/0x30 [ 415.349007] ? kvm_sched_clock_read+0x9/0x20 [ 415.353426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.358969] ? check_preemption_disabled+0x48/0x200 [ 415.364001] irq_exit+0x17f/0x1c0 [ 415.367461] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.372322] ? smp_reschedule_interrupt+0x109/0x650 [ 415.377353] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.383240] ? interrupt_entry+0xb5/0xf0 [ 415.387310] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.392342] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.397371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.402219] ? trace_hardirqs_off+0x300/0x300 [ 415.406730] ? trace_hardirqs_off+0x300/0x300 [ 415.411243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.416794] ? check_preemption_disabled+0x48/0x200 [ 415.421812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.427357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.432226] apic_timer_interrupt+0xf/0x20 [ 415.436472] [ 415.438717] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.443664] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 415.462564] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 415.470277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.477567] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 415.484833] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 415.492099] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.499366] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 415.506694] skb_clone+0x1bb/0x500 [ 415.510242] ? skb_split+0x11e0/0x11e0 [ 415.514164] ? preempt_notifier_register+0x200/0x200 [ 415.519299] ? __switch_to_asm+0x34/0x70 [ 415.523370] ? __switch_to_asm+0x34/0x70 [ 415.527434] ? __switch_to_asm+0x40/0x70 [ 415.531491] ? __switch_to_asm+0x34/0x70 [ 415.535557] ? __switch_to_asm+0x40/0x70 [ 415.539619] ? __switch_to_asm+0x40/0x70 [ 415.543677] ? __switch_to_asm+0x34/0x70 [ 415.547738] ? __switch_to_asm+0x34/0x70 [ 415.551800] ? __switch_to_asm+0x40/0x70 [ 415.555859] ? __switch_to_asm+0x34/0x70 [ 415.559933] bpf_clone_redirect+0xb9/0x490 [ 415.564181] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 415.569206] ? __sched_text_start+0x8/0x8 [ 415.573357] ? retint_kernel+0x2d/0x2d [ 415.577282] ? find_held_lock+0x36/0x1c0 [ 415.581354] ? lock_acquire+0x1ed/0x520 [ 415.585327] ? bpf_test_run+0x32e/0x5a0 [ 415.589317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.594854] ? check_preemption_disabled+0x48/0x200 [ 415.599875] ? kasan_check_read+0x11/0x20 [ 415.604027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.609304] ? rcu_bh_qs+0xc0/0xc0 [ 415.612852] ? preempt_schedule+0x4d/0x60 [ 415.617004] ? ___preempt_schedule+0x16/0x18 [ 415.621439] ? bpf_test_run+0x1c0/0x5a0 [ 415.625430] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.629847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.635389] ? bpf_test_init.isra.9+0x70/0x100 [ 415.639984] ? bpf_prog_test_run_skb+0x634/0xb40 [ 415.644749] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.649604] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.655151] ? fput+0x130/0x1a0 [ 415.658435] ? __bpf_prog_get+0x9b/0x290 [ 415.662535] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.667405] ? bpf_prog_test_run+0x130/0x1a0 [ 415.671847] ? __x64_sys_bpf+0x3d8/0x510 [ 415.675909] ? bpf_prog_get+0x20/0x20 [ 415.679735] ? do_syscall_64+0x1b9/0x820 [ 415.683807] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.689176] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.694110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.698957] ? trace_hardirqs_off+0x300/0x300 [ 415.703455] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.708484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.714034] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.719062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.723922] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.729312] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 415.736083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.745434] Call Trace: [ 415.748031] dump_stack+0x1c4/0x2b4 [ 415.751663] ? dump_stack_print_info.cold.2+0x52/0x52 [ 415.756872] warn_alloc.cold.118+0xb7/0x1bd [ 415.761197] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.766049] ? lock_downgrade+0x900/0x900 [ 415.770212] ? trace_hardirqs_off+0xb8/0x300 [ 415.774628] ? trace_hardirqs_off+0xb8/0x300 [ 415.779043] __alloc_pages_slowpath+0x2667/0x2d80 [ 415.783934] ? warn_alloc+0x120/0x120 [ 415.787749] ? warn_alloc+0x120/0x120 [ 415.791555] ? print_usage_bug+0xc0/0xc0 [ 415.795633] ? warn_alloc+0x120/0x120 [ 415.799461] ? print_usage_bug+0xc0/0xc0 [ 415.803521] ? check_usage+0x1a9/0x790 [ 415.807409] ? check_usage+0x1a9/0x790 [ 415.811304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.816843] ? should_fail+0x22d/0xd01 [ 415.820737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.825845] ? __lock_acquire+0x7ec/0x4ec0 [ 415.830119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.835224] ? __lock_acquire+0x7ec/0x4ec0 [ 415.839463] ? should_fail+0x22d/0xd01 [ 415.843353] ? lockdep_on+0x50/0x50 [ 415.846987] ? mark_held_locks+0x130/0x130 [ 415.851229] ? mark_held_locks+0x130/0x130 [ 415.855482] ? graph_lock+0x170/0x170 [ 415.859311] ? ret_from_fork+0x3a/0x50 [ 415.863202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.868746] ? check_preemption_disabled+0x48/0x200 [ 415.873761] ? check_preemption_disabled+0x48/0x200 [ 415.878791] ? __lock_is_held+0xb5/0x140 [ 415.882863] __alloc_pages_nodemask+0xa80/0xde0 [ 415.887532] ? graph_lock+0x170/0x170 [ 415.891367] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.896383] ? graph_lock+0x170/0x170 [ 415.900196] ? find_held_lock+0x36/0x1c0 [ 415.904269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.908944] ? lock_downgrade+0x900/0x900 [ 415.913103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.918651] cache_grow_begin+0x91/0x8c0 [ 415.922719] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.927140] fallback_alloc+0x203/0x2e0 [ 415.931124] ____cache_alloc_node+0x1c7/0x1e0 [ 415.935656] kmem_cache_alloc_node+0xe3/0x730 [ 415.940165] ? mark_held_locks+0xc7/0x130 [ 415.944324] __alloc_skb+0x119/0x770 [ 415.948044] ? skb_scrub_packet+0x490/0x490 [ 415.952371] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 415.956967] ? queue_work_on+0x12c/0x1e0 [ 415.961040] ? switchdev_port_obj_del+0xdc/0x450 [ 415.965813] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.971182] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.976206] __br_mdb_notify+0x4ff/0x15d0 [ 415.980382] ? __br_mdb_add+0x800/0x800 [ 415.984364] ? __lock_acquire+0x7ec/0x4ec0 [ 415.988616] ? ___ratelimit+0x36f/0x655 [ 415.992603] ? debug_object_init_on_stack+0x20/0x20 [ 415.997979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.003535] br_mdb_notify+0x310/0x410 [ 416.007425] ? br_mdb_dump+0x2530/0x2530 [ 416.011524] br_multicast_del_pg+0x3df/0x790 [ 416.015965] ? br_mdb_ip_get+0x940/0x940 [ 416.020037] ? kasan_check_write+0x14/0x20 [ 416.024275] ? do_raw_spin_lock+0xc1/0x200 [ 416.028523] br_multicast_port_group_expired+0x189/0x1e0 [ 416.033983] call_timer_fn+0x272/0x920 [ 416.037894] ? br_multicast_del_pg+0x790/0x790 [ 416.042490] ? process_timeout+0x40/0x40 [ 416.046559] ? find_held_lock+0x36/0x1c0 [ 416.050631] ? __run_timers+0x7da/0xc70 [ 416.054613] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.059113] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.063611] ? br_multicast_del_pg+0x790/0x790 [ 416.068195] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.072782] ? trace_hardirqs_on+0xbd/0x310 [ 416.077101] ? kasan_check_read+0x11/0x20 [ 416.081267] ? __run_timers+0x7da/0xc70 [ 416.085262] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.090723] ? br_multicast_del_pg+0x790/0x790 [ 416.095327] ? br_multicast_del_pg+0x790/0x790 [ 416.099920] __run_timers+0x7e5/0xc70 [ 416.103738] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.109314] ? compat_start_thread+0x80/0x80 [ 416.113732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.119293] ? _raw_spin_unlock_irq+0x60/0x80 [ 416.123791] ? finish_task_switch+0x1f5/0x900 [ 416.128297] ? finish_task_switch+0x1b5/0x900 [ 416.132796] ? __switch_to_asm+0x34/0x70 [ 416.136873] ? preempt_notifier_register+0x200/0x200 [ 416.141987] ? __switch_to_asm+0x34/0x70 [ 416.146051] ? __switch_to_asm+0x40/0x70 [ 416.150115] ? __switch_to_asm+0x34/0x70 [ 416.154174] ? __switch_to_asm+0x40/0x70 [ 416.158235] ? __switch_to_asm+0x34/0x70 [ 416.162296] ? __switch_to_asm+0x40/0x70 [ 416.166364] ? __switch_to_asm+0x40/0x70 [ 416.170438] ? pvclock_read_flags+0x160/0x160 [ 416.174946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.180488] ? check_preemption_disabled+0x48/0x200 [ 416.185523] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.190806] ? rcu_pm_notify+0xc0/0xc0 [ 416.194695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.200233] ? check_preemption_disabled+0x48/0x200 [ 416.205260] run_timer_softirq+0x52/0xb0 [ 416.209326] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.214348] __do_softirq+0x30b/0xad8 [ 416.218162] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.223268] ? trace_hardirqs_off_caller+0x300/0x300 [ 416.228370] ? retint_kernel+0x1b/0x2d [ 416.232275] ? schedule+0x108/0x460 [ 416.235907] ? __schedule+0x1ed0/0x1ed0 [ 416.239893] ? trace_hardirqs_off+0xb8/0x300 [ 416.244309] ? ___might_sleep+0x1ed/0x300 [ 416.248456] ? smpboot_thread_fn+0x68b/0xa00 [ 416.252864] ? trace_hardirqs_on+0x310/0x310 [ 416.257277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.262816] ? check_preemption_disabled+0x48/0x200 [ 416.267835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.273380] ? takeover_tasklets+0xa90/0xa90 [ 416.277797] run_ksoftirqd+0x94/0x100 [ 416.281599] smpboot_thread_fn+0x68b/0xa00 [ 416.285839] ? sort_range+0x30/0x30 [ 416.289470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.294573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.300111] ? __kthread_parkme+0xfb/0x1a0 [ 416.304350] kthread+0x35a/0x420 [ 416.307740] ? sort_range+0x30/0x30 [ 416.311365] ? kthread_bind+0x40/0x40 [ 416.315173] ret_from_fork+0x3a/0x50 [ 416.318916] warn_alloc_show_mem: 1 callbacks suppressed [ 416.318922] Mem-Info: [ 416.326733] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 416.326733] active_file:18 inactive_file:31 isolated_file:0 [ 416.326733] unevictable:0 dirty:0 writeback:0 unstable:0 [ 416.326733] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 416.326733] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 416.326733] free:13670 free_pcp:352 free_cma:0 [ 416.359841] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 416.387788] 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 [ 416.413941] lowmem_reserve[]: 0 2815 6318 6318 [ 416.418554] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 416.445906] lowmem_reserve[]: 0 0 3503 3503 [ 416.450262] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 416.479610] lowmem_reserve[]: 0 0 0 0 [ 416.483433] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 416.497093] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 416.512338] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 416.527574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.536408] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.544985] 4516 total pagecache pages [ 416.548876] 0 pages in swap cache [ 416.552350] Swap cache stats: add 0, delete 0, find 0/0 [ 416.557702] Free swap = 0kB [ 416.560710] Total swap = 0kB [ 416.563723] 1965979 pages RAM [ 416.566819] 0 pages HighMem/MovableOnly [ 416.570783] 343324 pages reserved [ 416.574224] 0 pages cma reserved [ 416.577777] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.588277] syz-executor1 cpuset=syz1 mems_allowed=0 [ 416.593424] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 416.600705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.610054] Call Trace: [ 416.612631] [ 416.614793] dump_stack+0x1c4/0x2b4 [ 416.618428] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.623641] warn_alloc.cold.118+0xb7/0x1bd [ 416.627968] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.632819] ? lock_downgrade+0x900/0x900 [ 416.636985] ? trace_hardirqs_off+0xb8/0x300 [ 416.641401] ? trace_hardirqs_off+0xb8/0x300 [ 416.645825] __alloc_pages_slowpath+0x2667/0x2d80 [ 416.650727] ? warn_alloc+0x120/0x120 [ 416.654578] ? graph_lock+0x170/0x170 [ 416.658385] ? warn_alloc+0x120/0x120 [ 416.662194] ? print_usage_bug+0xc0/0xc0 [ 416.666258] ? warn_alloc+0x120/0x120 [ 416.670058] ? print_usage_bug+0xc0/0xc0 [ 416.674125] ? find_held_lock+0x36/0x1c0 [ 416.678203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.683746] ? should_fail+0x22d/0xd01 [ 416.687638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.692742] ? __lock_acquire+0x7ec/0x4ec0 [ 416.696982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.702085] ? should_fail+0x22d/0xd01 [ 416.705982] ? mark_held_locks+0x130/0x130 [ 416.710247] ? mark_held_locks+0x130/0x130 [ 416.714481] ? print_usage_bug+0xc0/0xc0 [ 416.718554] ? find_held_lock+0x36/0x1c0 [ 416.722629] ? graph_lock+0x170/0x170 [ 416.726446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.731990] ? check_preemption_disabled+0x48/0x200 [ 416.737005] ? check_preemption_disabled+0x48/0x200 [ 416.742032] ? __lock_is_held+0xb5/0x140 [ 416.746101] __alloc_pages_nodemask+0xa80/0xde0 [ 416.750774] ? graph_lock+0x170/0x170 [ 416.754597] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.759616] ? graph_lock+0x170/0x170 [ 416.763431] ? find_held_lock+0x36/0x1c0 [ 416.767504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.772185] ? lock_downgrade+0x900/0x900 [ 416.776359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.781949] cache_grow_begin+0x91/0x8c0 [ 416.786031] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.790453] fallback_alloc+0x203/0x2e0 [ 416.794443] ____cache_alloc_node+0x1c7/0x1e0 [ 416.798951] kmem_cache_alloc_node+0xe3/0x730 [ 416.803448] ? mark_held_locks+0xc7/0x130 [ 416.807615] __alloc_skb+0x119/0x770 [ 416.811335] ? skb_scrub_packet+0x490/0x490 [ 416.815659] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 416.820247] ? queue_work_on+0x12c/0x1e0 [ 416.824316] ? switchdev_port_obj_del+0xdc/0x450 [ 416.829075] ? switchdev_trans_item_enqueue+0x260/0x260 [ 416.834452] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.839493] __br_mdb_notify+0x4ff/0x15d0 [ 416.843660] ? __br_mdb_add+0x800/0x800 [ 416.847633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.853174] ? check_preemption_disabled+0x48/0x200 [ 416.858210] ? br_multicast_group_expired+0x96/0x610 [ 416.863320] ? lock_downgrade+0x900/0x900 [ 416.867475] br_mdb_notify+0x310/0x410 [ 416.871373] ? br_mdb_dump+0x2530/0x2530 [ 416.875446] ? do_raw_spin_lock+0x1a7/0x200 [ 416.879775] br_multicast_group_expired+0x1bc/0x610 [ 416.884797] ? br_mdb_free+0x80/0x80 [ 416.888533] call_timer_fn+0x272/0x920 [ 416.892428] ? br_mdb_free+0x80/0x80 [ 416.896146] ? process_timeout+0x40/0x40 [ 416.900209] ? find_held_lock+0x36/0x1c0 [ 416.904280] ? __run_timers+0x7da/0xc70 [ 416.908257] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.912756] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.917250] ? br_mdb_free+0x80/0x80 [ 416.920985] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.925572] ? trace_hardirqs_on+0xbd/0x310 [ 416.929905] ? kasan_check_read+0x11/0x20 [ 416.934060] ? __run_timers+0x7da/0xc70 [ 416.938038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.943494] ? br_mdb_free+0x80/0x80 [ 416.947222] ? br_mdb_free+0x80/0x80 [ 416.950938] __run_timers+0x7e5/0xc70 [ 416.954755] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.960119] ? check_preemption_disabled+0x48/0x200 [ 416.965139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.970687] ? rcu_irq_exit+0xce/0x100 [ 416.974580] ? irq_exit+0xbd/0x1c0 [ 416.978131] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 416.983154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.987914] ? retint_kernel+0x2d/0x2d [ 416.991812] ? trace_hardirqs_on_caller+0xc0/0x300 [ 416.996747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.001516] ? trace_hardirqs_off_caller+0x300/0x300 [ 417.006625] ? graph_lock+0x170/0x170 [ 417.010440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.015985] ? check_preemption_disabled+0x48/0x200 [ 417.021016] ? __lock_is_held+0xb5/0x140 [ 417.025080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.030618] ? check_preemption_disabled+0x48/0x200 [ 417.035652] run_timer_softirq+0x52/0xb0 [ 417.039721] ? rcu_read_lock_sched_held+0x108/0x120 [ 417.044751] __do_softirq+0x30b/0xad8 [ 417.048563] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.053677] ? pvclock_read_flags+0x160/0x160 [ 417.058173] ? lapic_next_event+0x5a/0x90 [ 417.062322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.067862] ? check_preemption_disabled+0x48/0x200 [ 417.072878] ? check_preemption_disabled+0x48/0x200 [ 417.077903] ? kvm_clock_read+0x18/0x30 [ 417.081880] ? kvm_sched_clock_read+0x9/0x20 [ 417.086304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.091842] ? check_preemption_disabled+0x48/0x200 [ 417.096873] irq_exit+0x17f/0x1c0 [ 417.100345] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.105193] ? smp_reschedule_interrupt+0x109/0x650 [ 417.110211] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.116116] ? interrupt_entry+0xb5/0xf0 [ 417.120183] ? trace_hardirqs_off_caller+0xbb/0x300 [ 417.125197] ? trace_hardirqs_off_caller+0xbb/0x300 [ 417.130254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.135131] ? trace_hardirqs_off+0x300/0x300 [ 417.139629] ? trace_hardirqs_off+0x300/0x300 [ 417.144132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.149676] ? check_preemption_disabled+0x48/0x200 [ 417.154696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.160245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.165103] apic_timer_interrupt+0xf/0x20 [ 417.169349] [ 417.171610] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 417.176552] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 417.195455] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 417.203165] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 417.210438] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 417.217704] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 417.224968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 417.232237] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 417.239582] skb_clone+0x1bb/0x500 [ 417.243142] ? skb_split+0x11e0/0x11e0 [ 417.247039] ? preempt_notifier_register+0x200/0x200 [ 417.252144] ? __switch_to_asm+0x34/0x70 [ 417.256203] ? __switch_to_asm+0x34/0x70 [ 417.260260] ? __switch_to_asm+0x40/0x70 [ 417.264316] ? __switch_to_asm+0x34/0x70 [ 417.268372] ? __switch_to_asm+0x40/0x70 [ 417.272451] ? __switch_to_asm+0x40/0x70 [ 417.276521] ? __switch_to_asm+0x34/0x70 [ 417.280586] ? __switch_to_asm+0x34/0x70 [ 417.284648] ? __switch_to_asm+0x40/0x70 [ 417.288706] ? __switch_to_asm+0x34/0x70 [ 417.292781] bpf_clone_redirect+0xb9/0x490 [ 417.297029] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 417.302054] ? __sched_text_start+0x8/0x8 [ 417.306205] ? retint_kernel+0x2d/0x2d [ 417.310116] ? find_held_lock+0x36/0x1c0 [ 417.314188] ? lock_acquire+0x1ed/0x520 [ 417.318160] ? bpf_test_run+0x32e/0x5a0 [ 417.322153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.327694] ? check_preemption_disabled+0x48/0x200 [ 417.332719] ? kasan_check_read+0x11/0x20 [ 417.336870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.342150] ? rcu_bh_qs+0xc0/0xc0 [ 417.345699] ? preempt_schedule+0x4d/0x60 [ 417.349862] ? ___preempt_schedule+0x16/0x18 [ 417.354293] ? bpf_test_run+0x1c0/0x5a0 [ 417.358307] ? netlink_diag_dump+0x2a0/0x2a0 [ 417.362718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.368252] ? bpf_test_init.isra.9+0x70/0x100 [ 417.372846] ? bpf_prog_test_run_skb+0x634/0xb40 [ 417.377612] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 417.382479] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.388034] ? fput+0x130/0x1a0 [ 417.391320] ? __bpf_prog_get+0x9b/0x290 [ 417.395380] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 417.400222] ? bpf_prog_test_run+0x130/0x1a0 [ 417.404636] ? __x64_sys_bpf+0x3d8/0x510 [ 417.408696] ? bpf_prog_get+0x20/0x20 [ 417.412531] ? do_syscall_64+0x1b9/0x820 [ 417.416596] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 417.421965] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.426895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.431743] ? trace_hardirqs_off+0x300/0x300 [ 417.436242] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 417.441260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.446801] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.451827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.456687] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.462272] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.472601] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 417.477290] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 417.484034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.493383] Call Trace: [ 417.495989] dump_stack+0x1c4/0x2b4 [ 417.499621] ? dump_stack_print_info.cold.2+0x52/0x52 [ 417.504826] warn_alloc.cold.118+0xb7/0x1bd [ 417.509150] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.514010] ? lock_downgrade+0x900/0x900 [ 417.518168] ? trace_hardirqs_off+0xb8/0x300 [ 417.522588] ? trace_hardirqs_off+0xb8/0x300 [ 417.527006] __alloc_pages_slowpath+0x2667/0x2d80 [ 417.531881] ? warn_alloc+0x120/0x120 [ 417.535697] ? warn_alloc+0x120/0x120 [ 417.539515] ? print_usage_bug+0xc0/0xc0 [ 417.543576] ? warn_alloc+0x120/0x120 [ 417.547373] ? print_usage_bug+0xc0/0xc0 [ 417.551457] ? check_usage+0x1a9/0x790 [ 417.555341] ? check_usage+0x1a9/0x790 [ 417.559237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.564787] ? should_fail+0x22d/0xd01 [ 417.568693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.573798] ? __lock_acquire+0x7ec/0x4ec0 [ 417.578040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.583145] ? __lock_acquire+0x7ec/0x4ec0 [ 417.587391] ? should_fail+0x22d/0xd01 [ 417.591279] ? lockdep_on+0x50/0x50 [ 417.594918] ? mark_held_locks+0x130/0x130 [ 417.599159] ? mark_held_locks+0x130/0x130 [ 417.603406] ? graph_lock+0x170/0x170 [ 417.607207] ? ret_from_fork+0x3a/0x50 [ 417.611100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.616640] ? check_preemption_disabled+0x48/0x200 [ 417.621658] ? check_preemption_disabled+0x48/0x200 [ 417.626689] ? __lock_is_held+0xb5/0x140 [ 417.630789] __alloc_pages_nodemask+0xa80/0xde0 [ 417.635480] ? graph_lock+0x170/0x170 [ 417.639291] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.644309] ? graph_lock+0x170/0x170 [ 417.648123] ? find_held_lock+0x36/0x1c0 [ 417.652200] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.656873] ? lock_downgrade+0x900/0x900 [ 417.661032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.666594] cache_grow_begin+0x91/0x8c0 [ 417.670687] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.675103] fallback_alloc+0x203/0x2e0 [ 417.679087] ____cache_alloc_node+0x1c7/0x1e0 [ 417.683595] kmem_cache_alloc_node+0xe3/0x730 [ 417.688093] ? mark_held_locks+0xc7/0x130 [ 417.692260] __alloc_skb+0x119/0x770 [ 417.696005] ? skb_scrub_packet+0x490/0x490 [ 417.700334] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 417.704926] ? queue_work_on+0x12c/0x1e0 [ 417.708996] ? switchdev_port_obj_del+0xdc/0x450 [ 417.713750] ? switchdev_trans_item_enqueue+0x260/0x260 [ 417.719131] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.724161] __br_mdb_notify+0x4ff/0x15d0 [ 417.728324] ? __br_mdb_add+0x800/0x800 [ 417.732308] ? __lock_acquire+0x7ec/0x4ec0 [ 417.736552] ? ___ratelimit+0x36f/0x655 [ 417.740545] ? debug_object_init_on_stack+0x20/0x20 [ 417.745568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.751118] br_mdb_notify+0x310/0x410 [ 417.755007] ? br_mdb_dump+0x2530/0x2530 [ 417.759088] br_multicast_del_pg+0x3df/0x790 [ 417.763512] ? br_mdb_ip_get+0x940/0x940 [ 417.767591] ? do_raw_spin_lock+0x1a7/0x200 [ 417.771926] br_multicast_port_group_expired+0x189/0x1e0 [ 417.777398] call_timer_fn+0x272/0x920 [ 417.781299] ? br_multicast_del_pg+0x790/0x790 [ 417.785883] ? process_timeout+0x40/0x40 [ 417.789949] ? find_held_lock+0x36/0x1c0 [ 417.794024] ? __run_timers+0x7da/0xc70 [ 417.798007] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.802503] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.806997] ? br_multicast_del_pg+0x790/0x790 [ 417.811583] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 417.816172] ? trace_hardirqs_on+0xbd/0x310 [ 417.820493] ? kasan_check_read+0x11/0x20 [ 417.824655] ? __run_timers+0x7da/0xc70 [ 417.828648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.834120] ? br_multicast_del_pg+0x790/0x790 [ 417.838706] ? br_multicast_del_pg+0x790/0x790 [ 417.843287] __run_timers+0x7e5/0xc70 [ 417.847138] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.852503] ? compat_start_thread+0x80/0x80 [ 417.856934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.862479] ? _raw_spin_unlock_irq+0x60/0x80 [ 417.866982] ? finish_task_switch+0x1f5/0x900 [ 417.871476] ? finish_task_switch+0x1b5/0x900 [ 417.875977] ? __switch_to_asm+0x34/0x70 [ 417.880043] ? preempt_notifier_register+0x200/0x200 [ 417.885173] ? __switch_to_asm+0x34/0x70 [ 417.889227] ? __switch_to_asm+0x40/0x70 [ 417.893286] ? __switch_to_asm+0x34/0x70 [ 417.897344] ? __switch_to_asm+0x40/0x70 [ 417.901414] ? __switch_to_asm+0x34/0x70 [ 417.905472] ? __switch_to_asm+0x40/0x70 [ 417.909535] ? __switch_to_asm+0x40/0x70 [ 417.913609] ? pvclock_read_flags+0x160/0x160 [ 417.918122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.923662] ? check_preemption_disabled+0x48/0x200 [ 417.928690] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.933974] ? rcu_pm_notify+0xc0/0xc0 [ 417.937866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.943402] ? check_preemption_disabled+0x48/0x200 [ 417.948434] run_timer_softirq+0x52/0xb0 [ 417.952525] ? rcu_read_lock_sched_held+0x108/0x120 [ 417.957549] __do_softirq+0x30b/0xad8 [ 417.961368] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.966508] ? trace_hardirqs_off_caller+0x300/0x300 [ 417.971613] ? retint_kernel+0x1b/0x2d [ 417.975508] ? schedule+0x108/0x460 [ 417.979141] ? __schedule+0x1ed0/0x1ed0 [ 417.983127] ? trace_hardirqs_off+0xb8/0x300 [ 417.987564] ? ___might_sleep+0x1ed/0x300 [ 417.991729] ? smpboot_thread_fn+0x68b/0xa00 [ 417.996141] ? trace_hardirqs_on+0x310/0x310 [ 418.001023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.006562] ? check_preemption_disabled+0x48/0x200 [ 418.011595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.017139] ? takeover_tasklets+0xa90/0xa90 [ 418.021552] run_ksoftirqd+0x94/0x100 [ 418.025368] smpboot_thread_fn+0x68b/0xa00 [ 418.029612] ? sort_range+0x30/0x30 [ 418.033246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.038360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.043928] ? __kthread_parkme+0xfb/0x1a0 [ 418.048173] kthread+0x35a/0x420 [ 418.051554] ? sort_range+0x30/0x30 [ 418.055180] ? kthread_bind+0x40/0x40 [ 418.058998] ret_from_fork+0x3a/0x50 [ 418.062743] warn_alloc_show_mem: 1 callbacks suppressed [ 418.062749] Mem-Info: [ 418.070530] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 418.070530] active_file:18 inactive_file:31 isolated_file:0 [ 418.070530] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.070530] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 418.070530] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 418.070530] free:13670 free_pcp:352 free_cma:0 [ 418.103645] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.131849] 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 [ 418.157997] lowmem_reserve[]: 0 2815 6318 6318 [ 418.162605] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 418.189959] lowmem_reserve[]: 0 0 3503 3503 [ 418.194302] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 418.223560] lowmem_reserve[]: 0 0 0 0 [ 418.227385] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 418.241038] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 418.256267] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 418.271495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.280353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.288921] 4516 total pagecache pages [ 418.292825] 0 pages in swap cache [ 418.296274] Swap cache stats: add 0, delete 0, find 0/0 [ 418.301627] Free swap = 0kB [ 418.304634] Total swap = 0kB [ 418.307649] 1965979 pages RAM [ 418.310746] 0 pages HighMem/MovableOnly [ 418.314709] 343324 pages reserved [ 418.318154] 0 pages cma reserved [ 418.321663] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.321676] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.332175] syz-executor1 cpuset=syz1 mems_allowed=0 [ 418.342722] ksoftirqd/0 cpuset= [ 418.347822] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 418.347835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.351282] / [ 418.358469] Call Trace: [ 418.358475] [ 418.358498] dump_stack+0x1c4/0x2b4 [ 418.358540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.358574] warn_alloc.cold.118+0xb7/0x1bd [ 418.358603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.368092] mems_allowed=0 [ 418.369815] ? lock_downgrade+0x900/0x900 [ 418.399522] ? trace_hardirqs_off+0xb8/0x300 [ 418.403938] ? trace_hardirqs_off+0xb8/0x300 [ 418.408392] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.413275] ? warn_alloc+0x120/0x120 [ 418.417082] ? graph_lock+0x170/0x170 [ 418.420886] ? warn_alloc+0x120/0x120 [ 418.424697] ? print_usage_bug+0xc0/0xc0 [ 418.428758] ? warn_alloc+0x120/0x120 [ 418.432558] ? print_usage_bug+0xc0/0xc0 [ 418.436630] ? find_held_lock+0x36/0x1c0 [ 418.440713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.446259] ? should_fail+0x22d/0xd01 [ 418.450159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.455278] ? __lock_acquire+0x7ec/0x4ec0 [ 418.459643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.464760] ? should_fail+0x22d/0xd01 [ 418.468661] ? mark_held_locks+0x130/0x130 [ 418.472904] ? mark_held_locks+0x130/0x130 [ 418.477138] ? print_usage_bug+0xc0/0xc0 [ 418.481211] ? find_held_lock+0x36/0x1c0 [ 418.485290] ? graph_lock+0x170/0x170 [ 418.489101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.494639] ? check_preemption_disabled+0x48/0x200 [ 418.499652] ? check_preemption_disabled+0x48/0x200 [ 418.504678] ? __lock_is_held+0xb5/0x140 [ 418.508750] __alloc_pages_nodemask+0xa80/0xde0 [ 418.513427] ? graph_lock+0x170/0x170 [ 418.517238] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.522250] ? graph_lock+0x170/0x170 [ 418.526066] ? find_held_lock+0x36/0x1c0 [ 418.530140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.534822] ? lock_downgrade+0x900/0x900 [ 418.538984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.544535] cache_grow_begin+0x91/0x8c0 [ 418.548614] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.553033] fallback_alloc+0x203/0x2e0 [ 418.557015] ____cache_alloc_node+0x1c7/0x1e0 [ 418.561527] kmem_cache_alloc_node+0xe3/0x730 [ 418.566025] ? mark_held_locks+0xc7/0x130 [ 418.570188] __alloc_skb+0x119/0x770 [ 418.573909] ? skb_scrub_packet+0x490/0x490 [ 418.578233] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 418.582828] ? queue_work_on+0x12c/0x1e0 [ 418.586897] ? switchdev_port_obj_del+0xdc/0x450 [ 418.591657] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.597032] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.602057] __br_mdb_notify+0x4ff/0x15d0 [ 418.606217] ? __br_mdb_add+0x800/0x800 [ 418.610205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.615760] ? check_preemption_disabled+0x48/0x200 [ 418.620810] ? br_multicast_group_expired+0x96/0x610 [ 418.625928] ? lock_downgrade+0x900/0x900 [ 418.630083] br_mdb_notify+0x310/0x410 [ 418.633973] ? br_mdb_dump+0x2530/0x2530 [ 418.638046] ? do_raw_spin_lock+0x1a7/0x200 [ 418.642374] br_multicast_group_expired+0x1bc/0x610 [ 418.647394] ? br_mdb_free+0x80/0x80 [ 418.651130] call_timer_fn+0x272/0x920 [ 418.655020] ? br_mdb_free+0x80/0x80 [ 418.658741] ? process_timeout+0x40/0x40 [ 418.662801] ? find_held_lock+0x36/0x1c0 [ 418.666875] ? __run_timers+0x7da/0xc70 [ 418.670854] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.675348] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.679840] ? br_mdb_free+0x80/0x80 [ 418.683559] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.688172] ? trace_hardirqs_on+0xbd/0x310 [ 418.692493] ? kasan_check_read+0x11/0x20 [ 418.696650] ? __run_timers+0x7da/0xc70 [ 418.700628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.706082] ? br_mdb_free+0x80/0x80 [ 418.709803] ? br_mdb_free+0x80/0x80 [ 418.713526] __run_timers+0x7e5/0xc70 [ 418.717358] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.722749] ? check_preemption_disabled+0x48/0x200 [ 418.727768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.733341] ? rcu_irq_exit+0xce/0x100 [ 418.737234] ? irq_exit+0xbd/0x1c0 [ 418.740778] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 418.745801] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.750563] ? retint_kernel+0x2d/0x2d [ 418.754476] ? trace_hardirqs_on_caller+0xc0/0x300 [ 418.759421] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.764182] ? trace_hardirqs_off_caller+0x300/0x300 [ 418.769291] ? graph_lock+0x170/0x170 [ 418.773099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.778638] ? check_preemption_disabled+0x48/0x200 [ 418.783666] ? __lock_is_held+0xb5/0x140 [ 418.787731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.793286] ? check_preemption_disabled+0x48/0x200 [ 418.798313] run_timer_softirq+0x52/0xb0 [ 418.802376] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.807398] __do_softirq+0x30b/0xad8 [ 418.811219] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.816333] ? pvclock_read_flags+0x160/0x160 [ 418.820829] ? lapic_next_event+0x5a/0x90 [ 418.824996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.830542] ? check_preemption_disabled+0x48/0x200 [ 418.835557] ? check_preemption_disabled+0x48/0x200 [ 418.840580] ? kvm_clock_read+0x18/0x30 [ 418.844559] ? kvm_sched_clock_read+0x9/0x20 [ 418.848969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.854517] ? check_preemption_disabled+0x48/0x200 [ 418.859579] irq_exit+0x17f/0x1c0 [ 418.863053] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.867895] ? smp_reschedule_interrupt+0x109/0x650 [ 418.872914] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.878804] ? interrupt_entry+0xb5/0xf0 [ 418.882879] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.887908] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.892929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.897774] ? trace_hardirqs_off+0x300/0x300 [ 418.902268] ? trace_hardirqs_off+0x300/0x300 [ 418.906767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.912307] ? check_preemption_disabled+0x48/0x200 [ 418.917335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.922897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.927771] apic_timer_interrupt+0xf/0x20 [ 418.931998] [ 418.934241] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.939176] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 418.958076] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 418.965791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.973058] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 418.980323] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 418.987592] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.994859] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 419.002193] skb_clone+0x1bb/0x500 [ 419.005740] ? skb_split+0x11e0/0x11e0 [ 419.009636] ? preempt_notifier_register+0x200/0x200 [ 419.014743] ? __switch_to_asm+0x34/0x70 [ 419.018809] ? __switch_to_asm+0x34/0x70 [ 419.022871] ? __switch_to_asm+0x40/0x70 [ 419.026945] ? __switch_to_asm+0x34/0x70 [ 419.031007] ? __switch_to_asm+0x40/0x70 [ 419.035068] ? __switch_to_asm+0x40/0x70 [ 419.039128] ? __switch_to_asm+0x34/0x70 [ 419.043189] ? __switch_to_asm+0x34/0x70 [ 419.047251] ? __switch_to_asm+0x40/0x70 [ 419.051311] ? __switch_to_asm+0x34/0x70 [ 419.055388] bpf_clone_redirect+0xb9/0x490 [ 419.059672] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 419.064701] ? __sched_text_start+0x8/0x8 [ 419.068854] ? retint_kernel+0x2d/0x2d [ 419.072760] ? find_held_lock+0x36/0x1c0 [ 419.076830] ? lock_acquire+0x1ed/0x520 [ 419.080808] ? bpf_test_run+0x32e/0x5a0 [ 419.084788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.090326] ? check_preemption_disabled+0x48/0x200 [ 419.095366] ? kasan_check_read+0x11/0x20 [ 419.099524] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.104806] ? rcu_bh_qs+0xc0/0xc0 [ 419.108353] ? preempt_schedule+0x4d/0x60 [ 419.112506] ? ___preempt_schedule+0x16/0x18 [ 419.116973] ? bpf_test_run+0x1c0/0x5a0 [ 419.120958] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.125374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.130910] ? bpf_test_init.isra.9+0x70/0x100 [ 419.135504] ? bpf_prog_test_run_skb+0x634/0xb40 [ 419.140281] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.145124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.150661] ? fput+0x130/0x1a0 [ 419.153944] ? __bpf_prog_get+0x9b/0x290 [ 419.158013] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.162853] ? bpf_prog_test_run+0x130/0x1a0 [ 419.167271] ? __x64_sys_bpf+0x3d8/0x510 [ 419.171335] ? bpf_prog_get+0x20/0x20 [ 419.175186] ? do_syscall_64+0x1b9/0x820 [ 419.179250] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.184633] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.189565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.194421] ? trace_hardirqs_off+0x300/0x300 [ 419.198931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.203983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.209546] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.214575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.219434] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.224825] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 419.225074] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.231592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.231601] Call Trace: [ 419.242080] syz-executor1 cpuset= [ 419.251441] dump_stack+0x1c4/0x2b4 [ 419.254003] syz1 [ 419.257474] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.261082] mems_allowed=0 [ 419.263065] warn_alloc.cold.118+0xb7/0x1bd [ 419.275475] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.280341] ? lock_downgrade+0x900/0x900 [ 419.284515] ? trace_hardirqs_off+0xb8/0x300 [ 419.288943] ? trace_hardirqs_off+0xb8/0x300 [ 419.293363] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.298243] ? warn_alloc+0x120/0x120 [ 419.302053] ? warn_alloc+0x120/0x120 [ 419.305861] ? print_usage_bug+0xc0/0xc0 [ 419.309927] ? warn_alloc+0x120/0x120 [ 419.313733] ? print_usage_bug+0xc0/0xc0 [ 419.317804] ? check_usage_forwards+0x3e0/0x3e0 [ 419.322486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.328079] ? should_fail+0x22d/0xd01 [ 419.331974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.337078] ? __lock_acquire+0x7ec/0x4ec0 [ 419.341325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.346441] ? should_fail+0x22d/0xd01 [ 419.350344] ? mark_held_locks+0x130/0x130 [ 419.354588] ? mark_held_locks+0x130/0x130 [ 419.358833] ? kasan_check_read+0x11/0x20 [ 419.362982] ? __lock_acquire+0x2881/0x4ec0 [ 419.367302] ? lock_downgrade+0x900/0x900 [ 419.371468] ? graph_lock+0x170/0x170 [ 419.375298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.380844] ? check_preemption_disabled+0x48/0x200 [ 419.385885] ? check_preemption_disabled+0x48/0x200 [ 419.390938] ? __lock_is_held+0xb5/0x140 [ 419.395011] __alloc_pages_nodemask+0xa80/0xde0 [ 419.399686] ? graph_lock+0x170/0x170 [ 419.403498] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.408515] ? graph_lock+0x170/0x170 [ 419.412333] ? find_held_lock+0x36/0x1c0 [ 419.416409] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.421080] ? lock_downgrade+0x900/0x900 [ 419.425242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.430796] cache_grow_begin+0x91/0x8c0 [ 419.434863] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.439303] fallback_alloc+0x203/0x2e0 [ 419.443299] ____cache_alloc_node+0x1c7/0x1e0 [ 419.447802] kmem_cache_alloc_node+0xe3/0x730 [ 419.452297] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.456712] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 419.461305] __alloc_skb+0x119/0x770 [ 419.465030] ? skb_scrub_packet+0x490/0x490 [ 419.469373] ? atomic_notifier_call_chain+0xc6/0x190 [ 419.474475] ? lock_downgrade+0x900/0x900 [ 419.478627] ? check_preemption_disabled+0x48/0x200 [ 419.483658] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.489453] ? kasan_check_read+0x11/0x20 [ 419.493603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.498884] ? rcu_bh_qs+0xc0/0xc0 [ 419.502440] ? do_raw_write_trylock+0x1c0/0x1c0 [ 419.507127] __neigh_notify+0x8c/0x160 [ 419.511018] ? __neigh_event_send+0x1390/0x1390 [ 419.515712] neigh_timer_handler+0x6cb/0xdf0 [ 419.520131] ? neigh_invalidate+0x550/0x550 [ 419.524454] ? __lock_is_held+0xb5/0x140 [ 419.528547] call_timer_fn+0x272/0x920 [ 419.532462] ? neigh_invalidate+0x550/0x550 [ 419.536785] ? process_timeout+0x40/0x40 [ 419.540873] ? find_held_lock+0x36/0x1c0 [ 419.544951] ? __run_timers+0x7da/0xc70 [ 419.548939] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.553435] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.557938] ? neigh_invalidate+0x550/0x550 [ 419.562264] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 419.566890] ? trace_hardirqs_on+0xbd/0x310 [ 419.571219] ? kasan_check_read+0x11/0x20 [ 419.575368] ? __run_timers+0x7da/0xc70 [ 419.579346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.584805] ? br_multicast_del_pg+0x790/0x790 [ 419.589399] ? neigh_invalidate+0x550/0x550 [ 419.593726] __run_timers+0x7e5/0xc70 [ 419.597570] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.602953] ? compat_start_thread+0x80/0x80 [ 419.607367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.612921] ? _raw_spin_unlock_irq+0x60/0x80 [ 419.617425] ? finish_task_switch+0x1f5/0x900 [ 419.621930] ? finish_task_switch+0x1b5/0x900 [ 419.626427] ? __switch_to_asm+0x34/0x70 [ 419.630505] ? preempt_notifier_register+0x200/0x200 [ 419.635636] ? __switch_to_asm+0x34/0x70 [ 419.639699] ? __switch_to_asm+0x40/0x70 [ 419.643757] ? __switch_to_asm+0x34/0x70 [ 419.647817] ? __switch_to_asm+0x40/0x70 [ 419.651878] ? __switch_to_asm+0x34/0x70 [ 419.655942] ? __switch_to_asm+0x40/0x70 [ 419.660005] ? __switch_to_asm+0x40/0x70 [ 419.664079] ? pvclock_read_flags+0x160/0x160 [ 419.668581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.674124] ? check_preemption_disabled+0x48/0x200 [ 419.679152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.684434] ? rcu_pm_notify+0xc0/0xc0 [ 419.688338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.693871] ? check_preemption_disabled+0x48/0x200 [ 419.698903] run_timer_softirq+0x52/0xb0 [ 419.702978] ? rcu_read_lock_sched_held+0x108/0x120 [ 419.708000] __do_softirq+0x30b/0xad8 [ 419.711814] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.716935] ? trace_hardirqs_off_caller+0x300/0x300 [ 419.722037] ? retint_kernel+0x1b/0x2d [ 419.725940] ? schedule+0x108/0x460 [ 419.729580] ? __schedule+0x1ed0/0x1ed0 [ 419.733590] ? trace_hardirqs_off+0xb8/0x300 [ 419.738002] ? ___might_sleep+0x1ed/0x300 [ 419.742149] ? smpboot_thread_fn+0x68b/0xa00 [ 419.746559] ? trace_hardirqs_on+0x310/0x310 [ 419.750977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.756519] ? check_preemption_disabled+0x48/0x200 [ 419.761536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.767083] ? takeover_tasklets+0xa90/0xa90 [ 419.771499] run_ksoftirqd+0x94/0x100 [ 419.775326] smpboot_thread_fn+0x68b/0xa00 [ 419.779585] ? sort_range+0x30/0x30 [ 419.783217] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.788330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.793868] ? __kthread_parkme+0xfb/0x1a0 [ 419.798114] kthread+0x35a/0x420 [ 419.801483] ? sort_range+0x30/0x30 [ 419.805108] ? kthread_bind+0x40/0x40 [ 419.808922] ret_from_fork+0x3a/0x50 [ 419.812664] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 419.812670] warn_alloc_show_mem: 1 callbacks suppressed [ 419.812677] Mem-Info: [ 419.819954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.825332] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 419.825332] active_file:18 inactive_file:31 isolated_file:0 [ 419.825332] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.825332] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 419.825332] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 419.825332] free:13670 free_pcp:352 free_cma:0 [ 419.827703] Call Trace: [ 419.837092] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.870119] [ 419.872698] Node 0 [ 419.900639] dump_stack+0x1c4/0x2b4 [ 419.902783] 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 [ 419.905005] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.908602] lowmem_reserve[]: 0 [ 419.934125] warn_alloc.cold.118+0xb7/0x1bd [ 419.939286] 2815 [ 419.942570] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.946863] 6318 6318 [ 419.948947] ? lock_downgrade+0x900/0x900 [ 419.953764] Node 0 [ 419.956266] ? trace_hardirqs_off+0xb8/0x300 [ 419.960408] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 419.962621] ? trace_hardirqs_off+0xb8/0x300 [ 419.966996] lowmem_reserve[]: 0 [ 419.993747] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.998589] 0 [ 420.001901] ? warn_alloc+0x120/0x120 [ 420.006686] 3503 3503 [ 420.008499] ? trace_hardirqs_on+0x310/0x310 [ 420.014782] ? warn_alloc+0x120/0x120 [ 420.019174] Node 0 [ 420.022969] ? print_usage_bug+0xc0/0xc0 [ 420.023002] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 420.023010] lowmem_reserve[]: [ 420.025247] ? warn_alloc+0x120/0x120 [ 420.029307] 0 [ 420.057933] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.057953] ? print_usage_bug+0xc0/0xc0 [ 420.061038] 0 [ 420.064847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.066621] 0 [ 420.071634] ? check_preemption_disabled+0x48/0x200 [ 420.075668] 0 [ 420.077476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.082993] Node 0 [ 420.084799] ? should_fail+0x22d/0xd01 [ 420.089783] DMA: 1*4kB [ 420.091592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.097107] (U) [ 420.099342] ? __lock_acquire+0x7ec/0x4ec0 [ 420.103206] 0*8kB [ 420.106273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.111357] 0*16kB [ 420.113333] ? __lock_acquire+0x7ec/0x4ec0 [ 420.117548] 1*32kB [ 420.119697] ? should_fail+0x22d/0xd01 [ 420.124768] (U) 2*64kB [ 420.127022] ? mark_held_locks+0x130/0x130 [ 420.131220] (U) 1*128kB [ 420.133466] ? mark_held_locks+0x130/0x130 [ 420.137324] (U) 1*256kB [ 420.139921] ? graph_lock+0x170/0x170 [ 420.144130] (U) 0*512kB [ 420.146806] ? print_usage_bug+0xc0/0xc0 [ 420.151021] 1*1024kB [ 420.153706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.157474] (U) [ 420.160149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.164198] 1*2048kB [ 420.166607] ? check_preemption_disabled+0x48/0x200 [ 420.171335] (M) [ 420.173317] ? check_preemption_disabled+0x48/0x200 [ 420.178846] 3*4096kB [ 420.181264] ? __lock_is_held+0xb5/0x140 [ 420.186263] (M) [ 420.188254] __alloc_pages_nodemask+0xa80/0xde0 [ 420.193257] = 15908kB [ 420.195664] ? graph_lock+0x170/0x170 [ 420.199703] Node 0 [ 420.201676] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.206319] DMA32: 4*4kB [ 420.208733] ? graph_lock+0x170/0x170 [ 420.212522] (UM) [ 420.214777] ? find_held_lock+0x36/0x1c0 [ 420.219764] 1*8kB [ 420.222538] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.226298] (M) [ 420.228360] ? lock_downgrade+0x900/0x900 [ 420.232401] 3*16kB [ 420.234557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.239198] (M) [ 420.241174] cache_grow_begin+0x91/0x8c0 [ 420.245293] 3*32kB (M) [ 420.247547] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.253053] 1*64kB (M) [ 420.255046] fallback_alloc+0x203/0x2e0 [ 420.259080] 3*128kB (UM) [ 420.261674] ____cache_alloc_node+0x1c7/0x1e0 [ 420.266055] 3*256kB [ 420.268641] kmem_cache_alloc_node+0xe3/0x730 [ 420.272591] (UM) [ 420.275353] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.279820] 4*512kB [ 420.282150] __alloc_skb+0x119/0x770 [ 420.286613] (UM) [ 420.288684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.292891] 3*1024kB [ 420.295214] ? skb_scrub_packet+0x490/0x490 [ 420.298908] (M) [ 420.300971] ? lock_downgrade+0x900/0x900 [ 420.306225] 3*2048kB [ 420.308641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.312934] (M) 3*4096kB [ 420.314926] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.319049] (M) [ 420.321461] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.326968] = 24936kB [ 420.326978] Node 0 [ 420.329737] ? addrconf_rs_timer+0x6f0/0x6f0 [ 420.335164] Normal: [ 420.337151] ndisc_alloc_skb+0x144/0x340 [ 420.342569] 1267*4kB [ 420.344985] ndisc_send_rs+0x331/0x6e0 [ 420.347198] (UMEH) [ 420.351604] addrconf_rs_timer+0x3c0/0x6f0 [ 420.353901] 430*8kB (UMEH) [ 420.357973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.360366] 212*16kB [ 420.364264] call_timer_fn+0x272/0x920 [ 420.366467] (UMEH) [ 420.370701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.373612] 35*32kB [ 420.377844] ? process_timeout+0x40/0x40 [ 420.380231] (MH) [ 420.384119] ? find_held_lock+0x36/0x1c0 [ 420.386335] 9*64kB [ 420.390573] ? __run_timers+0x7da/0xc70 [ 420.392871] (MH) [ 420.396936] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.398971] 1*128kB (H) [ 420.403040] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.405254] 1*256kB (H) [ 420.409274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.411317] 0*512kB [ 420.415813] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 420.418462] 0*1024kB 0*2048kB [ 420.422969] ? trace_hardirqs_on+0xbd/0x310 [ 420.425618] 0*4096kB [ 420.429850] ? kasan_check_read+0x11/0x20 [ 420.432154] = 13980kB [ 420.436733] ? __run_timers+0x7da/0xc70 [ 420.439911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.444222] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.446616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.450766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.453144] 4516 total pagecache pages [ 420.457114] __run_timers+0x7e5/0xc70 [ 420.465935] 0 pages in swap cache [ 420.471392] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 420.479941] Swap cache stats: add 0, delete 0, find 0/0 [ 420.484168] ? check_preemption_disabled+0x48/0x200 [ 420.484187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.488053] Free swap = 0kB [ 420.491857] ? rcu_irq_exit+0xce/0x100 [ 420.495281] Total swap = 0kB [ 420.500641] ? irq_exit+0xbd/0x1c0 [ 420.505978] 1965979 pages RAM [ 420.510992] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 420.516502] 0 pages HighMem/MovableOnly [ 420.519542] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.523393] 343324 pages reserved [ 420.523402] 0 pages cma reserved [ 420.526430] ? retint_kernel+0x2d/0x2d [ 420.530147] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.533049] ? trace_hardirqs_on_caller+0xc0/0x300 [ 420.538046] ksoftirqd/0 cpuset= [ 420.542016] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.546747] / [ 420.550195] ? trace_hardirqs_off_caller+0x300/0x300 [ 420.553540] mems_allowed=0 [ 420.557427] ? graph_lock+0x170/0x170 [ 420.594185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.599726] ? check_preemption_disabled+0x48/0x200 [ 420.604755] ? __lock_is_held+0xb5/0x140 [ 420.608845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.614397] ? check_preemption_disabled+0x48/0x200 [ 420.619432] run_timer_softirq+0x52/0xb0 [ 420.623517] ? rcu_read_lock_sched_held+0x108/0x120 [ 420.628554] __do_softirq+0x30b/0xad8 [ 420.632367] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 420.637478] ? pvclock_read_flags+0x160/0x160 [ 420.641984] ? lapic_next_event+0x5a/0x90 [ 420.646133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.651671] ? check_preemption_disabled+0x48/0x200 [ 420.656694] ? check_preemption_disabled+0x48/0x200 [ 420.661774] ? kvm_clock_read+0x18/0x30 [ 420.665744] ? kvm_sched_clock_read+0x9/0x20 [ 420.670154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.675698] ? check_preemption_disabled+0x48/0x200 [ 420.680735] irq_exit+0x17f/0x1c0 [ 420.684196] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.689041] ? smp_reschedule_interrupt+0x109/0x650 [ 420.694064] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.699951] ? interrupt_entry+0xb5/0xf0 [ 420.704019] ? trace_hardirqs_off_caller+0xbb/0x300 [ 420.709034] ? trace_hardirqs_off_caller+0xbb/0x300 [ 420.714053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.718897] ? trace_hardirqs_off+0x300/0x300 [ 420.723394] ? trace_hardirqs_off+0x300/0x300 [ 420.727894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.733450] ? check_preemption_disabled+0x48/0x200 [ 420.738479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.744031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.748889] apic_timer_interrupt+0xf/0x20 [ 420.753125] [ 420.755369] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.760316] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 420.779226] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 420.786939] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.794205] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 420.801476] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 420.809008] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.816274] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 420.823597] skb_clone+0x1bb/0x500 [ 420.827142] ? skb_split+0x11e0/0x11e0 [ 420.831036] ? preempt_notifier_register+0x200/0x200 [ 420.836142] ? __switch_to_asm+0x34/0x70 [ 420.840201] ? __switch_to_asm+0x34/0x70 [ 420.844261] ? __switch_to_asm+0x40/0x70 [ 420.848320] ? __switch_to_asm+0x34/0x70 [ 420.852380] ? __switch_to_asm+0x40/0x70 [ 420.856457] ? __switch_to_asm+0x40/0x70 [ 420.860544] ? __switch_to_asm+0x34/0x70 [ 420.864605] ? __switch_to_asm+0x34/0x70 [ 420.868680] ? __switch_to_asm+0x40/0x70 [ 420.872738] ? __switch_to_asm+0x34/0x70 [ 420.876817] bpf_clone_redirect+0xb9/0x490 [ 420.881064] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 420.886087] ? __sched_text_start+0x8/0x8 [ 420.890244] ? retint_kernel+0x2d/0x2d [ 420.894167] ? find_held_lock+0x36/0x1c0 [ 420.898237] ? lock_acquire+0x1ed/0x520 [ 420.902211] ? bpf_test_run+0x32e/0x5a0 [ 420.906191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.911732] ? check_preemption_disabled+0x48/0x200 [ 420.916778] ? kasan_check_read+0x11/0x20 [ 420.920935] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.926219] ? rcu_bh_qs+0xc0/0xc0 [ 420.929764] ? preempt_schedule+0x4d/0x60 [ 420.933918] ? ___preempt_schedule+0x16/0x18 [ 420.938342] ? bpf_test_run+0x1c0/0x5a0 [ 420.942328] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.946753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.952288] ? bpf_test_init.isra.9+0x70/0x100 [ 420.956885] ? bpf_prog_test_run_skb+0x634/0xb40 [ 420.961649] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.966493] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.972043] ? fput+0x130/0x1a0 [ 420.975326] ? __bpf_prog_get+0x9b/0x290 [ 420.979389] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.984238] ? bpf_prog_test_run+0x130/0x1a0 [ 420.988669] ? __x64_sys_bpf+0x3d8/0x510 [ 420.992732] ? bpf_prog_get+0x20/0x20 [ 420.996557] ? do_syscall_64+0x1b9/0x820 [ 421.000625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.005991] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.010943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.015792] ? trace_hardirqs_off+0x300/0x300 [ 421.020291] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.025320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.030857] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.035883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.040735] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.046127] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 421.046226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.052887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.052893] Call Trace: [ 421.052924] dump_stack+0x1c4/0x2b4 [ 421.052942] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.059548] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.068823] warn_alloc.cold.118+0xb7/0x1bd [ 421.071376] syz-executor1 cpuset= [ 421.074998] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.080169] syz1 [ 421.090668] ? lock_downgrade+0x900/0x900 [ 421.094973] mems_allowed=0 [ 421.098428] ? trace_hardirqs_off+0xb8/0x300 [ 421.116656] ? trace_hardirqs_off+0xb8/0x300 [ 421.121136] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.126017] ? warn_alloc+0x120/0x120 [ 421.129825] ? warn_alloc+0x120/0x120 [ 421.133632] ? print_usage_bug+0xc0/0xc0 [ 421.137699] ? warn_alloc+0x120/0x120 [ 421.141497] ? warn_alloc+0x120/0x120 [ 421.145317] ? print_usage_bug+0xc0/0xc0 [ 421.149399] ? check_usage_forwards+0x3e0/0x3e0 [ 421.154096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.159638] ? should_fail+0x22d/0xd01 [ 421.163534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.168644] ? __lock_acquire+0x7ec/0x4ec0 [ 421.172883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.177992] ? __lock_acquire+0x7ec/0x4ec0 [ 421.182226] ? should_fail+0x22d/0xd01 [ 421.186131] ? mark_held_locks+0x130/0x130 [ 421.190409] ? mark_held_locks+0x130/0x130 [ 421.194669] ? graph_lock+0x170/0x170 [ 421.198476] ? print_usage_bug+0xc0/0xc0 [ 421.202541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.208080] ? check_preemption_disabled+0x48/0x200 [ 421.213093] ? check_preemption_disabled+0x48/0x200 [ 421.218122] ? __lock_is_held+0xb5/0x140 [ 421.222234] __alloc_pages_nodemask+0xa80/0xde0 [ 421.226923] ? graph_lock+0x170/0x170 [ 421.230734] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.235751] ? graph_lock+0x170/0x170 [ 421.239564] ? find_held_lock+0x36/0x1c0 [ 421.243638] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.248308] ? lock_downgrade+0x900/0x900 [ 421.252461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.258005] cache_grow_begin+0x91/0x8c0 [ 421.262068] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.266494] fallback_alloc+0x203/0x2e0 [ 421.270478] ____cache_alloc_node+0x1c7/0x1e0 [ 421.274982] kmem_cache_alloc_node+0xe3/0x730 [ 421.279483] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.283730] __alloc_skb+0x119/0x770 [ 421.287452] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.292739] ? skb_scrub_packet+0x490/0x490 [ 421.297062] ? lock_downgrade+0x900/0x900 [ 421.301222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.306767] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.312238] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.317692] ? addrconf_rs_timer+0x6f0/0x6f0 [ 421.322122] ndisc_alloc_skb+0x144/0x340 [ 421.326191] ndisc_send_rs+0x331/0x6e0 [ 421.330093] addrconf_rs_timer+0x3c0/0x6f0 [ 421.334332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.338582] call_timer_fn+0x272/0x920 [ 421.342474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.346712] ? process_timeout+0x40/0x40 [ 421.350774] ? find_held_lock+0x36/0x1c0 [ 421.354845] ? __run_timers+0x7da/0xc70 [ 421.358824] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.363321] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.367815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.372049] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.376647] ? trace_hardirqs_on+0xbd/0x310 [ 421.380973] ? kasan_check_read+0x11/0x20 [ 421.385122] ? __run_timers+0x7da/0xc70 [ 421.389100] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.394571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.398806] __run_timers+0x7e5/0xc70 [ 421.402623] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.407990] ? compat_start_thread+0x80/0x80 [ 421.412400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.417948] ? _raw_spin_unlock_irq+0x60/0x80 [ 421.422448] ? finish_task_switch+0x1f5/0x900 [ 421.426950] ? finish_task_switch+0x1b5/0x900 [ 421.431446] ? __switch_to_asm+0x34/0x70 [ 421.435516] ? preempt_notifier_register+0x200/0x200 [ 421.440619] ? __switch_to_asm+0x34/0x70 [ 421.444678] ? __switch_to_asm+0x40/0x70 [ 421.448734] ? __switch_to_asm+0x34/0x70 [ 421.452813] ? __switch_to_asm+0x40/0x70 [ 421.456871] ? __switch_to_asm+0x34/0x70 [ 421.460944] ? __switch_to_asm+0x40/0x70 [ 421.465008] ? __switch_to_asm+0x40/0x70 [ 421.469080] ? pvclock_read_flags+0x160/0x160 [ 421.473578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.479113] ? check_preemption_disabled+0x48/0x200 [ 421.484155] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.489442] ? rcu_pm_notify+0xc0/0xc0 [ 421.493337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.498894] ? check_preemption_disabled+0x48/0x200 [ 421.503933] run_timer_softirq+0x52/0xb0 [ 421.507996] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.513016] __do_softirq+0x30b/0xad8 [ 421.516835] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.521954] ? trace_hardirqs_off_caller+0x300/0x300 [ 421.527060] ? retint_kernel+0x1b/0x2d [ 421.530960] ? schedule+0x108/0x460 [ 421.534598] ? __schedule+0x1ed0/0x1ed0 [ 421.538583] ? trace_hardirqs_off+0xb8/0x300 [ 421.542995] ? ___might_sleep+0x1ed/0x300 [ 421.547141] ? smpboot_thread_fn+0x68b/0xa00 [ 421.551551] ? trace_hardirqs_on+0x310/0x310 [ 421.555963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.561503] ? check_preemption_disabled+0x48/0x200 [ 421.566536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.572084] ? takeover_tasklets+0xa90/0xa90 [ 421.576499] run_ksoftirqd+0x94/0x100 [ 421.580308] smpboot_thread_fn+0x68b/0xa00 [ 421.584554] ? sort_range+0x30/0x30 [ 421.588189] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.593293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.598834] ? __kthread_parkme+0xfb/0x1a0 [ 421.603073] kthread+0x35a/0x420 [ 421.606438] ? sort_range+0x30/0x30 [ 421.610066] ? kthread_bind+0x40/0x40 [ 421.613873] ret_from_fork+0x3a/0x50 [ 421.617606] warn_alloc_show_mem: 1 callbacks suppressed [ 421.617619] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 421.617621] Mem-Info: [ 421.617656] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 421.617656] active_file:18 inactive_file:31 isolated_file:0 [ 421.617656] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.617656] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 421.617656] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 421.617656] free:13670 free_pcp:352 free_cma:0 [ 421.623003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.630285] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.632696] Call Trace: [ 421.665738] Node 0 [ 421.675087] [ 421.703036] 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 [ 421.705601] dump_stack+0x1c4/0x2b4 [ 421.707805] lowmem_reserve[]: [ 421.709954] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.735431] 0 [ 421.739064] warn_alloc.cold.118+0xb7/0x1bd [ 421.742126] 2815 6318 [ 421.747330] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.749113] 6318 [ 421.753462] ? lock_downgrade+0x900/0x900 [ 421.760790] ? trace_hardirqs_off+0xb8/0x300 [ 421.762825] Node 0 [ 421.766968] ? trace_hardirqs_off+0xb8/0x300 [ 421.771378] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.773592] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.777969] lowmem_reserve[]: [ 421.804716] ? warn_alloc+0x120/0x120 [ 421.809510] 0 [ 421.812612] ? trace_hardirqs_on+0x310/0x310 [ 421.816398] 0 [ 421.818204] ? warn_alloc+0x120/0x120 [ 421.822591] 3503 [ 421.824391] ? print_usage_bug+0xc0/0xc0 [ 421.828166] 3503 [ 421.830229] ? warn_alloc+0x120/0x120 [ 421.836329] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.840102] Node 0 [ 421.845111] ? print_usage_bug+0xc0/0xc0 [ 421.845142] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 421.845150] lowmem_reserve[]: [ 421.847380] ? __lock_acquire+0x7ec/0x4ec0 [ 421.851427] 0 [ 421.880057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.883144] 0 [ 421.887377] ? should_fail+0x22d/0xd01 [ 421.889150] 0 [ 421.894684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.896465] 0 [ 421.900362] ? __lock_acquire+0x7ec/0x4ec0 [ 421.907243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.909027] Node 0 [ 421.913256] ? __lock_acquire+0x7ec/0x4ec0 [ 421.918350] DMA: [ 421.920582] ? should_fail+0x22d/0xd01 [ 421.920598] ? print_usage_bug+0xc0/0xc0 [ 421.924813] 1*4kB [ 421.926877] ? mark_held_locks+0x130/0x130 [ 421.930743] (U) [ 421.934808] ? mark_held_locks+0x130/0x130 [ 421.936933] 0*8kB 0*16kB [ 421.941179] ? graph_lock+0x170/0x170 [ 421.943133] 1*32kB [ 421.947397] ? print_usage_bug+0xc0/0xc0 [ 421.950133] (U) [ 421.953941] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.956151] 2*64kB (U) [ 421.960219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.962168] 1*128kB [ 421.966915] ? check_preemption_disabled+0x48/0x200 [ 421.969482] (U) [ 421.975012] ? check_preemption_disabled+0x48/0x200 [ 421.977314] 1*256kB [ 421.982326] ? __lock_is_held+0xb5/0x140 [ 421.984287] (U) [ 421.989315] __alloc_pages_nodemask+0xa80/0xde0 [ 421.991628] 0*512kB [ 421.995681] ? graph_lock+0x170/0x170 [ 421.998159] 1*1024kB (U) [ 422.002839] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.005141] 1*2048kB [ 422.008939] ? graph_lock+0x170/0x170 [ 422.011674] (M) [ 422.016694] ? find_held_lock+0x36/0x1c0 [ 422.019079] 3*4096kB [ 422.022895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.024839] (M) [ 422.028900] ? lock_downgrade+0x900/0x900 [ 422.031285] = 15908kB [ 422.031294] Node 0 [ 422.035972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.037933] DMA32: 4*4kB [ 422.042100] cache_grow_begin+0x91/0x8c0 [ 422.044489] (UM) [ 422.046731] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.052242] 1*8kB [ 422.054998] fallback_alloc+0x203/0x2e0 [ 422.059030] (M) [ 422.061094] ____cache_alloc_node+0x1c7/0x1e0 [ 422.065469] 3*16kB (M) [ 422.067628] kmem_cache_alloc_node+0xe3/0x730 [ 422.071591] 3*32kB [ 422.073569] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.078035] (M) [ 422.080662] __alloc_skb+0x119/0x770 [ 422.085133] 1*64kB (M) [ 422.087386] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.091587] 3*128kB (UM) [ 422.093567] ? skb_scrub_packet+0x490/0x490 [ 422.097260] 3*256kB [ 422.099842] ? lock_downgrade+0x900/0x900 [ 422.105131] (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 422.105160] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 422.105225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.105232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.105235] 4516 total pagecache pages [ 422.105246] 0 pages in swap cache [ 422.105251] Swap cache stats: add 0, delete 0, find 0/0 [ 422.105254] Free swap = 0kB [ 422.105257] Total swap = 0kB [ 422.105262] 1965979 pages RAM [ 422.105265] 0 pages HighMem/MovableOnly [ 422.105268] 343324 pages reserved [ 422.105271] 0 pages cma reserved [ 422.105362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.105431] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.105438] ksoftirqd/0 cpuset=/ [ 422.108232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.112539] mems_allowed=0 [ 422.114860] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.225345] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.230805] ? addrconf_rs_timer+0x6f0/0x6f0 [ 422.235248] ndisc_alloc_skb+0x144/0x340 [ 422.239317] ndisc_send_rs+0x331/0x6e0 [ 422.243213] addrconf_rs_timer+0x3c0/0x6f0 [ 422.247458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.251712] call_timer_fn+0x272/0x920 [ 422.255603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.259839] ? process_timeout+0x40/0x40 [ 422.263900] ? find_held_lock+0x36/0x1c0 [ 422.267979] ? __run_timers+0x7da/0xc70 [ 422.271959] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.276469] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.280980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.285219] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 422.289807] ? trace_hardirqs_on+0xbd/0x310 [ 422.294131] ? kasan_check_read+0x11/0x20 [ 422.298280] ? __run_timers+0x7da/0xc70 [ 422.302271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.307743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.311986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.316241] __run_timers+0x7e5/0xc70 [ 422.320085] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.325454] ? check_preemption_disabled+0x48/0x200 [ 422.330473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.336021] ? rcu_irq_exit+0xce/0x100 [ 422.339916] ? irq_exit+0xbd/0x1c0 [ 422.343466] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 422.348492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.353270] ? retint_kernel+0x2d/0x2d [ 422.357202] ? trace_hardirqs_on_caller+0xc0/0x300 [ 422.362139] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.366900] ? trace_hardirqs_off_caller+0x300/0x300 [ 422.372013] ? graph_lock+0x170/0x170 [ 422.375818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.381354] ? check_preemption_disabled+0x48/0x200 [ 422.386382] ? __lock_is_held+0xb5/0x140 [ 422.390454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.396004] ? check_preemption_disabled+0x48/0x200 [ 422.401068] run_timer_softirq+0x52/0xb0 [ 422.405134] ? rcu_read_lock_sched_held+0x108/0x120 [ 422.410156] __do_softirq+0x30b/0xad8 [ 422.413986] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.419098] ? pvclock_read_flags+0x160/0x160 [ 422.423597] ? lapic_next_event+0x5a/0x90 [ 422.427745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.433285] ? check_preemption_disabled+0x48/0x200 [ 422.438300] ? check_preemption_disabled+0x48/0x200 [ 422.443326] ? kvm_clock_read+0x18/0x30 [ 422.447300] ? kvm_sched_clock_read+0x9/0x20 [ 422.451713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.457249] ? check_preemption_disabled+0x48/0x200 [ 422.462282] irq_exit+0x17f/0x1c0 [ 422.465747] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.470592] ? smp_reschedule_interrupt+0x109/0x650 [ 422.475610] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.481494] ? interrupt_entry+0xb5/0xf0 [ 422.485570] ? trace_hardirqs_off_caller+0xbb/0x300 [ 422.490605] ? trace_hardirqs_off_caller+0xbb/0x300 [ 422.495629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.500484] ? trace_hardirqs_off+0x300/0x300 [ 422.504986] ? trace_hardirqs_off+0x300/0x300 [ 422.509486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.515035] ? check_preemption_disabled+0x48/0x200 [ 422.520049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.525596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.530456] apic_timer_interrupt+0xf/0x20 [ 422.534706] [ 422.536953] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 422.541886] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 422.560806] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 422.568524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.575789] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 422.583067] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 422.590332] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 422.597598] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 422.604929] skb_clone+0x1bb/0x500 [ 422.608474] ? skb_split+0x11e0/0x11e0 [ 422.612397] ? preempt_notifier_register+0x200/0x200 [ 422.617529] ? __switch_to_asm+0x34/0x70 [ 422.621593] ? __switch_to_asm+0x34/0x70 [ 422.625652] ? __switch_to_asm+0x40/0x70 [ 422.629717] ? __switch_to_asm+0x34/0x70 [ 422.633778] ? __switch_to_asm+0x40/0x70 [ 422.637839] ? __switch_to_asm+0x40/0x70 [ 422.641901] ? __switch_to_asm+0x34/0x70 [ 422.645967] ? __switch_to_asm+0x34/0x70 [ 422.650029] ? __switch_to_asm+0x40/0x70 [ 422.654087] ? __switch_to_asm+0x34/0x70 [ 422.658251] bpf_clone_redirect+0xb9/0x490 [ 422.662503] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 422.667545] ? __sched_text_start+0x8/0x8 [ 422.671727] ? retint_kernel+0x2d/0x2d [ 422.675629] ? find_held_lock+0x36/0x1c0 [ 422.679699] ? lock_acquire+0x1ed/0x520 [ 422.683701] ? bpf_test_run+0x32e/0x5a0 [ 422.687719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.693277] ? check_preemption_disabled+0x48/0x200 [ 422.698318] ? kasan_check_read+0x11/0x20 [ 422.702472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.707773] ? rcu_bh_qs+0xc0/0xc0 [ 422.711339] ? preempt_schedule+0x4d/0x60 [ 422.715493] ? ___preempt_schedule+0x16/0x18 [ 422.719918] ? bpf_test_run+0x1c0/0x5a0 [ 422.723910] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.728367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.733906] ? bpf_test_init.isra.9+0x70/0x100 [ 422.738495] ? bpf_prog_test_run_skb+0x634/0xb40 [ 422.743288] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.748133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.753675] ? fput+0x130/0x1a0 [ 422.756957] ? __bpf_prog_get+0x9b/0x290 [ 422.761021] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.765864] ? bpf_prog_test_run+0x130/0x1a0 [ 422.770282] ? __x64_sys_bpf+0x3d8/0x510 [ 422.774353] ? bpf_prog_get+0x20/0x20 [ 422.778177] ? do_syscall_64+0x1b9/0x820 [ 422.782243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.787609] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.792548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.797407] ? trace_hardirqs_off+0x300/0x300 [ 422.801921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.806948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.812490] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.817528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.822385] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.827779] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 422.827930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.834557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.834563] Call Trace: [ 422.834589] dump_stack+0x1c4/0x2b4 [ 422.834612] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.841219] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.850465] warn_alloc.cold.118+0xb7/0x1bd [ 422.853019] syz-executor1 cpuset= [ 422.856643] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.861812] syz1 [ 422.872301] ? lock_downgrade+0x900/0x900 [ 422.876600] mems_allowed=0 [ 422.880052] ? trace_hardirqs_off+0xb8/0x300 [ 422.898281] ? trace_hardirqs_off+0xb8/0x300 [ 422.902705] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.907587] ? warn_alloc+0x120/0x120 [ 422.911397] ? warn_alloc+0x120/0x120 [ 422.915202] ? print_usage_bug+0xc0/0xc0 [ 422.919284] ? warn_alloc+0x120/0x120 [ 422.923084] ? warn_alloc+0x120/0x120 [ 422.926884] ? print_usage_bug+0xc0/0xc0 [ 422.930962] ? __lock_acquire+0x7ec/0x4ec0 [ 422.935198] ? check_usage_forwards+0x3e0/0x3e0 [ 422.939923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.945468] ? should_fail+0x22d/0xd01 [ 422.949359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.954476] ? __lock_acquire+0x7ec/0x4ec0 [ 422.958721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.963826] ? __lock_acquire+0x7ec/0x4ec0 [ 422.968061] ? should_fail+0x22d/0xd01 [ 422.971964] ? mark_held_locks+0x130/0x130 [ 422.976205] ? mark_held_locks+0x130/0x130 [ 422.980470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.986017] ? graph_lock+0x170/0x170 [ 422.989819] ? print_usage_bug+0xc0/0xc0 [ 422.993884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.999429] ? check_preemption_disabled+0x48/0x200 [ 423.004444] ? check_preemption_disabled+0x48/0x200 [ 423.009483] ? __lock_is_held+0xb5/0x140 [ 423.013557] __alloc_pages_nodemask+0xa80/0xde0 [ 423.018228] ? graph_lock+0x170/0x170 [ 423.022036] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.027051] ? graph_lock+0x170/0x170 [ 423.030869] ? find_held_lock+0x36/0x1c0 [ 423.034965] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.039638] ? lock_downgrade+0x900/0x900 [ 423.043793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.049360] cache_grow_begin+0x91/0x8c0 [ 423.053427] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.057939] fallback_alloc+0x203/0x2e0 [ 423.061930] ____cache_alloc_node+0x1c7/0x1e0 [ 423.066432] kmem_cache_alloc_node+0xe3/0x730 [ 423.070939] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.075203] __alloc_skb+0x119/0x770 [ 423.078926] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.084208] ? skb_scrub_packet+0x490/0x490 [ 423.088547] ? lock_downgrade+0x900/0x900 [ 423.092707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.098253] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.103708] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.109163] ? addrconf_rs_timer+0x6f0/0x6f0 [ 423.113590] ndisc_alloc_skb+0x144/0x340 [ 423.117672] ndisc_send_rs+0x331/0x6e0 [ 423.121568] addrconf_rs_timer+0x3c0/0x6f0 [ 423.125815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.130069] call_timer_fn+0x272/0x920 [ 423.133957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.138196] ? process_timeout+0x40/0x40 [ 423.142260] ? find_held_lock+0x36/0x1c0 [ 423.146333] ? __run_timers+0x7da/0xc70 [ 423.150352] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.154845] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.159343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.163586] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 423.168172] ? trace_hardirqs_on+0xbd/0x310 [ 423.172502] ? kasan_check_read+0x11/0x20 [ 423.176651] ? __run_timers+0x7da/0xc70 [ 423.180633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.186094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.190349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.194610] __run_timers+0x7e5/0xc70 [ 423.198432] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 423.203799] ? compat_start_thread+0x80/0x80 [ 423.208228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.213792] ? _raw_spin_unlock_irq+0x60/0x80 [ 423.218295] ? finish_task_switch+0x1f5/0x900 [ 423.222793] ? finish_task_switch+0x1b5/0x900 [ 423.227289] ? __switch_to_asm+0x34/0x70 [ 423.231363] ? preempt_notifier_register+0x200/0x200 [ 423.236476] ? __switch_to_asm+0x34/0x70 [ 423.240537] ? __switch_to_asm+0x40/0x70 [ 423.244597] ? __switch_to_asm+0x34/0x70 [ 423.248668] ? __switch_to_asm+0x40/0x70 [ 423.252738] ? __switch_to_asm+0x34/0x70 [ 423.256799] ? __switch_to_asm+0x40/0x70 [ 423.260860] ? __switch_to_asm+0x40/0x70 [ 423.264937] ? pvclock_read_flags+0x160/0x160 [ 423.269440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.274977] ? check_preemption_disabled+0x48/0x200 [ 423.280008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.285287] ? rcu_pm_notify+0xc0/0xc0 [ 423.289173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.294731] ? check_preemption_disabled+0x48/0x200 [ 423.299756] run_timer_softirq+0x52/0xb0 [ 423.303819] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.308876] __do_softirq+0x30b/0xad8 [ 423.312703] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 423.317811] ? trace_hardirqs_off_caller+0x300/0x300 [ 423.322933] ? retint_kernel+0x1b/0x2d [ 423.326832] ? schedule+0x108/0x460 [ 423.330488] ? __schedule+0x1ed0/0x1ed0 [ 423.334481] ? trace_hardirqs_off+0xb8/0x300 [ 423.338914] ? ___might_sleep+0x1ed/0x300 [ 423.343066] ? smpboot_thread_fn+0x68b/0xa00 [ 423.347472] ? trace_hardirqs_on+0x310/0x310 [ 423.351882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.357424] ? check_preemption_disabled+0x48/0x200 [ 423.362453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.368000] ? takeover_tasklets+0xa90/0xa90 [ 423.372414] run_ksoftirqd+0x94/0x100 [ 423.376232] smpboot_thread_fn+0x68b/0xa00 [ 423.380487] ? sort_range+0x30/0x30 [ 423.384116] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.389224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.394763] ? __kthread_parkme+0xfb/0x1a0 [ 423.399006] kthread+0x35a/0x420 [ 423.402369] ? sort_range+0x30/0x30 [ 423.406027] ? kthread_bind+0x40/0x40 [ 423.409834] ret_from_fork+0x3a/0x50 [ 423.413569] warn_alloc_show_mem: 1 callbacks suppressed [ 423.413582] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 423.413585] Mem-Info: [ 423.413620] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 423.413620] active_file:18 inactive_file:31 isolated_file:0 [ 423.413620] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.413620] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 423.413620] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 423.413620] free:13670 free_pcp:352 free_cma:0 [ 423.418957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.426235] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.428637] Call Trace: [ 423.461688] Node 0 [ 423.471038] [ 423.498984] 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 [ 423.501561] dump_stack+0x1c4/0x2b4 [ 423.503765] lowmem_reserve[]: [ 423.505926] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.531411] 0 2815 [ 423.535078] warn_alloc.cold.118+0xb7/0x1bd [ 423.538148] 6318 [ 423.543337] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.545558] 6318 [ 423.549898] ? lock_downgrade+0x900/0x900 [ 423.556801] ? trace_hardirqs_off+0xb8/0x300 [ 423.558835] Node 0 [ 423.562982] ? trace_hardirqs_off+0xb8/0x300 [ 423.567389] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.569604] __alloc_pages_slowpath+0x2667/0x2d80 [ 423.573986] lowmem_reserve[]: [ 423.600739] ? warn_alloc+0x120/0x120 [ 423.605537] 0 [ 423.608646] ? trace_hardirqs_on+0x310/0x310 [ 423.612425] 0 [ 423.614234] ? warn_alloc+0x120/0x120 [ 423.618621] 3503 [ 423.620427] ? print_usage_bug+0xc0/0xc0 [ 423.624231] 3503 [ 423.626291] ? warn_alloc+0x120/0x120 [ 423.632401] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.632425] ? print_usage_bug+0xc0/0xc0 [ 423.636202] Node 0 [ 423.641216] ? __lock_acquire+0x7ec/0x4ec0 [ 423.645283] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 423.647496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.651699] lowmem_reserve[]: 0 [ 423.680368] ? should_fail+0x22d/0xd01 [ 423.685891] 0 [ 423.689171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.693031] 0 0 [ 423.694840] ? __lock_acquire+0x7ec/0x4ec0 [ 423.699949] Node 0 [ 423.701925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.706172] DMA: [ 423.708413] ? __lock_acquire+0x7ec/0x4ec0 [ 423.713504] 1*4kB [ 423.715582] ? should_fail+0x22d/0xd01 [ 423.719794] (U) [ 423.721941] ? print_usage_bug+0xc0/0xc0 [ 423.725807] 0*8kB [ 423.727782] ? mark_held_locks+0x130/0x130 [ 423.731828] 0*16kB [ 423.733973] ? mark_held_locks+0x130/0x130 [ 423.738184] 1*32kB [ 423.740437] ? graph_lock+0x170/0x170 [ 423.744652] (U) [ 423.746887] ? print_usage_bug+0xc0/0xc0 [ 423.750661] 2*64kB (U) [ 423.752647] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.756679] 1*128kB [ 423.759288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.764012] (U) [ 423.766359] ? check_preemption_disabled+0x48/0x200 [ 423.771880] 1*256kB [ 423.773850] ? check_preemption_disabled+0x48/0x200 [ 423.778841] (U) [ 423.781172] ? __lock_is_held+0xb5/0x140 [ 423.786160] 0*512kB [ 423.788137] __alloc_pages_nodemask+0xa80/0xde0 [ 423.792169] 1*1024kB [ 423.794485] ? graph_lock+0x170/0x170 [ 423.799131] (U) [ 423.801546] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.805316] 1*2048kB (M) [ 423.807326] ? graph_lock+0x170/0x170 [ 423.812321] 3*4096kB [ 423.815082] ? find_held_lock+0x36/0x1c0 [ 423.818856] (M) [ 423.821356] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.825389] = 15908kB [ 423.827362] ? lock_downgrade+0x900/0x900 [ 423.832007] Node 0 [ 423.834428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.838547] DMA32: [ 423.840784] cache_grow_begin+0x91/0x8c0 [ 423.846295] 4*4kB [ 423.848548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.852587] (UM) [ 423.854742] fallback_alloc+0x203/0x2e0 [ 423.859126] 1*8kB [ 423.861191] ____cache_alloc_node+0x1c7/0x1e0 [ 423.865138] (M) [ 423.867301] kmem_cache_alloc_node+0xe3/0x730 [ 423.871770] 3*16kB [ 423.873749] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.878219] (M) [ 423.880485] __alloc_skb+0x119/0x770 [ 423.884682] 3*32kB (M) [ 423.886686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.890366] 1*64kB (M) [ 423.892984] ? skb_scrub_packet+0x490/0x490 [ 423.898235] 3*128kB (UM) [ 423.900828] ? lock_downgrade+0x900/0x900 [ 423.905125] 3*256kB [ 423.907885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.912007] (UM) [ 423.914331] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.919838] 4*512kB (UM) [ 423.921909] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.927338] 3*1024kB [ 423.930092] ? addrconf_rs_timer+0x6f0/0x6f0 [ 423.935510] (M) 3*2048kB [ 423.937956] ndisc_alloc_skb+0x144/0x340 [ 423.942330] (M) [ 423.945091] ndisc_send_rs+0x331/0x6e0 [ 423.949129] 3*4096kB [ 423.951107] addrconf_rs_timer+0x3c0/0x6f0 [ 423.954970] (M) [ 423.957382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.961589] = 24936kB [ 423.961598] Node 0 [ 423.963580] call_timer_fn+0x272/0x920 [ 423.967785] Normal: [ 423.970194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.972412] 1267*4kB [ 423.976305] ? process_timeout+0x40/0x40 [ 423.978610] (UMEH) 430*8kB [ 423.982852] ? find_held_lock+0x36/0x1c0 [ 423.985240] (UMEH) [ 423.989306] ? __run_timers+0x7da/0xc70 [ 423.992213] 212*16kB [ 423.996274] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.999001] (UMEH) 35*32kB [ 424.002986] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.005385] (MH) [ 424.009902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.012832] 9*64kB (MH) [ 424.017350] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.019410] 1*128kB (H) [ 424.023657] ? trace_hardirqs_on+0xbd/0x310 [ 424.026308] 1*256kB [ 424.030885] ? kasan_check_read+0x11/0x20 [ 424.033565] (H) [ 424.037909] ? __run_timers+0x7da/0xc70 [ 424.040219] 0*512kB [ 424.044361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.046318] 0*1024kB [ 424.050304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.052603] 0*2048kB [ 424.058054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.060445] 0*4096kB [ 424.064701] __run_timers+0x7e5/0xc70 [ 424.067093] = 13980kB [ 424.071330] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.073717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.077510] ? check_preemption_disabled+0x48/0x200 [ 424.079906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.085264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.094076] 4516 total pagecache pages [ 424.099095] ? rcu_irq_exit+0xce/0x100 [ 424.107840] 0 pages in swap cache [ 424.113377] ? irq_exit+0xbd/0x1c0 [ 424.117243] Swap cache stats: add 0, delete 0, find 0/0 [ 424.121129] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 424.124583] Free swap = 0kB [ 424.128137] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.133471] Total swap = 0kB [ 424.138480] ? retint_kernel+0x2d/0x2d [ 424.141476] 1965979 pages RAM [ 424.146229] ? trace_hardirqs_on_caller+0xc0/0x300 [ 424.149220] 0 pages HighMem/MovableOnly [ 424.149230] 343324 pages reserved [ 424.153131] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.156214] 0 pages cma reserved [ 424.161150] ? trace_hardirqs_off_caller+0x300/0x300 [ 424.165192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.168556] ? graph_lock+0x170/0x170 [ 424.173392] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.176660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.181742] ksoftirqd/0 cpuset= [ 424.188232] ? check_preemption_disabled+0x48/0x200 [ 424.192009] / [ 424.202324] ? __lock_is_held+0xb5/0x140 [ 424.207844] mems_allowed=0 [ 424.211115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.230300] ? check_preemption_disabled+0x48/0x200 [ 424.235328] run_timer_softirq+0x52/0xb0 [ 424.239433] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.244466] __do_softirq+0x30b/0xad8 [ 424.248316] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.253445] ? pvclock_read_flags+0x160/0x160 [ 424.257947] ? lapic_next_event+0x5a/0x90 [ 424.262096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.267636] ? check_preemption_disabled+0x48/0x200 [ 424.272649] ? check_preemption_disabled+0x48/0x200 [ 424.277688] ? kvm_clock_read+0x18/0x30 [ 424.281663] ? kvm_sched_clock_read+0x9/0x20 [ 424.286071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.291619] ? check_preemption_disabled+0x48/0x200 [ 424.296653] irq_exit+0x17f/0x1c0 [ 424.300111] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.304954] ? smp_reschedule_interrupt+0x109/0x650 [ 424.309976] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.315863] ? interrupt_entry+0xb5/0xf0 [ 424.319934] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.324953] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.329972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.334821] ? trace_hardirqs_off+0x300/0x300 [ 424.339316] ? trace_hardirqs_off+0x300/0x300 [ 424.343810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.349345] ? check_preemption_disabled+0x48/0x200 [ 424.354363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.359915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.364771] apic_timer_interrupt+0xf/0x20 [ 424.369001] [ 424.371246] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.376183] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 424.395082] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 424.402797] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.410065] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 424.417336] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 424.424601] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 424.431868] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 424.439194] skb_clone+0x1bb/0x500 [ 424.442741] ? skb_split+0x11e0/0x11e0 [ 424.446636] ? preempt_notifier_register+0x200/0x200 [ 424.451742] ? __switch_to_asm+0x34/0x70 [ 424.455808] ? __switch_to_asm+0x34/0x70 [ 424.459884] ? __switch_to_asm+0x40/0x70 [ 424.463983] ? __switch_to_asm+0x34/0x70 [ 424.468045] ? __switch_to_asm+0x40/0x70 [ 424.472107] ? __switch_to_asm+0x40/0x70 [ 424.476179] ? __switch_to_asm+0x34/0x70 [ 424.480244] ? __switch_to_asm+0x34/0x70 [ 424.484307] ? __switch_to_asm+0x40/0x70 [ 424.488362] ? __switch_to_asm+0x34/0x70 [ 424.492445] bpf_clone_redirect+0xb9/0x490 [ 424.496695] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 424.501722] ? __sched_text_start+0x8/0x8 [ 424.505878] ? retint_kernel+0x2d/0x2d [ 424.509781] ? find_held_lock+0x36/0x1c0 [ 424.513854] ? lock_acquire+0x1ed/0x520 [ 424.517845] ? bpf_test_run+0x32e/0x5a0 [ 424.521824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.527365] ? check_preemption_disabled+0x48/0x200 [ 424.532389] ? kasan_check_read+0x11/0x20 [ 424.536562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.541839] ? rcu_bh_qs+0xc0/0xc0 [ 424.545400] ? preempt_schedule+0x4d/0x60 [ 424.549556] ? ___preempt_schedule+0x16/0x18 [ 424.553979] ? bpf_test_run+0x1c0/0x5a0 [ 424.557970] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.562386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.567930] ? bpf_test_init.isra.9+0x70/0x100 [ 424.572530] ? bpf_prog_test_run_skb+0x634/0xb40 [ 424.577297] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.582157] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.587696] ? fput+0x130/0x1a0 [ 424.590982] ? __bpf_prog_get+0x9b/0x290 [ 424.595046] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.599889] ? bpf_prog_test_run+0x130/0x1a0 [ 424.604307] ? __x64_sys_bpf+0x3d8/0x510 [ 424.608391] ? bpf_prog_get+0x20/0x20 [ 424.612238] ? do_syscall_64+0x1b9/0x820 [ 424.616325] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.621713] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.626642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.631488] ? trace_hardirqs_off+0x300/0x300 [ 424.636012] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.641035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.646580] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.651608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.656467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.661865] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 424.661968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.668624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.668633] Call Trace: [ 424.675231] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.684473] dump_stack+0x1c4/0x2b4 [ 424.687035] syz-executor1 cpuset= [ 424.697515] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.701127] syz1 [ 424.704593] warn_alloc.cold.118+0xb7/0x1bd [ 424.709763] mems_allowed=0 [ 424.711735] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.723818] ? lock_downgrade+0x900/0x900 [ 424.727973] ? trace_hardirqs_off+0xb8/0x300 [ 424.732400] ? trace_hardirqs_off+0xb8/0x300 [ 424.736824] __alloc_pages_slowpath+0x2667/0x2d80 [ 424.741700] ? warn_alloc+0x120/0x120 [ 424.745520] ? warn_alloc+0x120/0x120 [ 424.749331] ? print_usage_bug+0xc0/0xc0 [ 424.753390] ? warn_alloc+0x120/0x120 [ 424.757203] ? print_usage_bug+0xc0/0xc0 [ 424.761303] ? __lock_acquire+0x7ec/0x4ec0 [ 424.765546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.771086] ? should_fail+0x22d/0xd01 [ 424.774978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.780080] ? __lock_acquire+0x7ec/0x4ec0 [ 424.784338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.789462] ? __lock_acquire+0x7ec/0x4ec0 [ 424.793696] ? should_fail+0x22d/0xd01 [ 424.797585] ? print_usage_bug+0xc0/0xc0 [ 424.801685] ? mark_held_locks+0x130/0x130 [ 424.805936] ? mark_held_locks+0x130/0x130 [ 424.810181] ? graph_lock+0x170/0x170 [ 424.813979] ? print_usage_bug+0xc0/0xc0 [ 424.818046] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.822808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.828346] ? check_preemption_disabled+0x48/0x200 [ 424.833357] ? check_preemption_disabled+0x48/0x200 [ 424.838384] ? __lock_is_held+0xb5/0x140 [ 424.842451] __alloc_pages_nodemask+0xa80/0xde0 [ 424.847123] ? graph_lock+0x170/0x170 [ 424.850938] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 424.855953] ? graph_lock+0x170/0x170 [ 424.859769] ? find_held_lock+0x36/0x1c0 [ 424.863860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.868531] ? lock_downgrade+0x900/0x900 [ 424.872691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.878233] cache_grow_begin+0x91/0x8c0 [ 424.882294] ? do_raw_spin_unlock+0xa7/0x2f0 [ 424.886727] fallback_alloc+0x203/0x2e0 [ 424.890707] ____cache_alloc_node+0x1c7/0x1e0 [ 424.895213] kmem_cache_alloc_node+0xe3/0x730 [ 424.899715] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.903965] __alloc_skb+0x119/0x770 [ 424.907683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.912968] ? skb_scrub_packet+0x490/0x490 [ 424.917296] ? lock_downgrade+0x900/0x900 [ 424.921481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.927018] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.932473] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.937947] ? addrconf_rs_timer+0x6f0/0x6f0 [ 424.942381] ndisc_alloc_skb+0x144/0x340 [ 424.946464] ndisc_send_rs+0x331/0x6e0 [ 424.950360] addrconf_rs_timer+0x3c0/0x6f0 [ 424.954608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.958862] call_timer_fn+0x272/0x920 [ 424.962750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.966989] ? process_timeout+0x40/0x40 [ 424.971049] ? find_held_lock+0x36/0x1c0 [ 424.975122] ? __run_timers+0x7da/0xc70 [ 424.979100] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.983596] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.988119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.992357] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.996947] ? trace_hardirqs_on+0xbd/0x310 [ 425.001280] ? kasan_check_read+0x11/0x20 [ 425.005432] ? __run_timers+0x7da/0xc70 [ 425.009432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.014932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.019182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.023416] __run_timers+0x7e5/0xc70 [ 425.027235] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.032599] ? compat_start_thread+0x80/0x80 [ 425.037017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.042565] ? _raw_spin_unlock_irq+0x60/0x80 [ 425.047071] ? finish_task_switch+0x1f5/0x900 [ 425.051568] ? finish_task_switch+0x1b5/0x900 [ 425.056063] ? __switch_to_asm+0x34/0x70 [ 425.060130] ? preempt_notifier_register+0x200/0x200 [ 425.065236] ? __switch_to_asm+0x34/0x70 [ 425.069295] ? __switch_to_asm+0x40/0x70 [ 425.073357] ? __switch_to_asm+0x34/0x70 [ 425.077427] ? __switch_to_asm+0x40/0x70 [ 425.081488] ? __switch_to_asm+0x34/0x70 [ 425.085554] ? __switch_to_asm+0x40/0x70 [ 425.089620] ? __switch_to_asm+0x40/0x70 [ 425.093702] ? pvclock_read_flags+0x160/0x160 [ 425.098200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.103766] ? check_preemption_disabled+0x48/0x200 [ 425.108798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.114082] ? rcu_pm_notify+0xc0/0xc0 [ 425.117974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.123522] ? check_preemption_disabled+0x48/0x200 [ 425.128568] run_timer_softirq+0x52/0xb0 [ 425.132633] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.137659] __do_softirq+0x30b/0xad8 [ 425.141477] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.146589] ? trace_hardirqs_off_caller+0x300/0x300 [ 425.151694] ? retint_kernel+0x1b/0x2d [ 425.155606] ? schedule+0x108/0x460 [ 425.159238] ? __schedule+0x1ed0/0x1ed0 [ 425.163232] ? trace_hardirqs_off+0xb8/0x300 [ 425.167649] ? ___might_sleep+0x1ed/0x300 [ 425.171798] ? smpboot_thread_fn+0x68b/0xa00 [ 425.176208] ? trace_hardirqs_on+0x310/0x310 [ 425.180625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.186164] ? check_preemption_disabled+0x48/0x200 [ 425.191184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.196728] ? takeover_tasklets+0xa90/0xa90 [ 425.201146] run_ksoftirqd+0x94/0x100 [ 425.204956] smpboot_thread_fn+0x68b/0xa00 [ 425.209199] ? sort_range+0x30/0x30 [ 425.212836] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.217949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.223489] ? __kthread_parkme+0xfb/0x1a0 [ 425.227732] kthread+0x35a/0x420 [ 425.231098] ? sort_range+0x30/0x30 [ 425.234724] ? kthread_bind+0x40/0x40 [ 425.238530] ret_from_fork+0x3a/0x50 [ 425.242269] warn_alloc_show_mem: 1 callbacks suppressed [ 425.242281] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 425.242284] Mem-Info: [ 425.242322] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 425.242322] active_file:18 inactive_file:31 isolated_file:0 [ 425.242322] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.242322] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 425.242322] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 425.242322] free:13670 free_pcp:352 free_cma:0 [ 425.247658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.254947] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.257344] Call Trace: [ 425.290387] Node 0 [ 425.299847] [ 425.327805] 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 [ 425.330397] dump_stack+0x1c4/0x2b4 [ 425.332599] lowmem_reserve[]: 0 [ 425.334755] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.360234] 2815 6318 [ 425.363886] warn_alloc.cold.118+0xb7/0x1bd [ 425.367125] 6318 [ 425.372313] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.374794] Node 0 [ 425.379117] ? lock_downgrade+0x900/0x900 [ 425.381180] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 425.386001] ? trace_hardirqs_off+0xb8/0x300 [ 425.388210] lowmem_reserve[]: [ 425.392373] ? trace_hardirqs_off+0xb8/0x300 [ 425.419068] 0 0 [ 425.423507] __alloc_pages_slowpath+0x2667/0x2d80 [ 425.426571] 3503 [ 425.431007] ? warn_alloc+0x120/0x120 [ 425.432933] 3503 [ 425.437776] ? trace_hardirqs_on+0x310/0x310 [ 425.443611] ? warn_alloc+0x120/0x120 [ 425.445652] Node 0 [ 425.450059] ? print_usage_bug+0xc0/0xc0 [ 425.453880] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 425.456087] ? warn_alloc+0x120/0x120 [ 425.460127] lowmem_reserve[]: [ 425.488775] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.492547] 0 [ 425.495651] ? print_usage_bug+0xc0/0xc0 [ 425.500634] 0 0 [ 425.502447] ? __lock_acquire+0x7ec/0x4ec0 [ 425.506494] 0 [ 425.508470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.514484] ? should_fail+0x22d/0xd01 [ 425.519991] Node 0 DMA: [ 425.523877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.523896] ? __lock_acquire+0x7ec/0x4ec0 [ 425.526550] 1*4kB [ 425.531647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.535855] (U) [ 425.537996] ? __lock_acquire+0x7ec/0x4ec0 [ 425.538013] ? should_fail+0x22d/0xd01 [ 425.543184] 0*8kB [ 425.545159] ? print_usage_bug+0xc0/0xc0 [ 425.549370] 0*16kB 1*32kB [ 425.553278] ? mark_held_locks+0x130/0x130 [ 425.555434] (U) [ 425.559491] ? mark_held_locks+0x130/0x130 [ 425.562326] 2*64kB [ 425.566563] ? graph_lock+0x170/0x170 [ 425.568530] (U) [ 425.572762] ? print_usage_bug+0xc0/0xc0 [ 425.574978] 1*128kB [ 425.578779] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.580726] (U) [ 425.584796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.587085] 1*256kB (U) [ 425.591847] ? check_preemption_disabled+0x48/0x200 [ 425.593799] 0*512kB [ 425.599330] ? check_preemption_disabled+0x48/0x200 [ 425.601978] 1*1024kB [ 425.606998] ? __lock_is_held+0xb5/0x140 [ 425.609291] (U) [ 425.614311] __alloc_pages_nodemask+0xa80/0xde0 [ 425.616691] 1*2048kB (M) [ 425.620756] ? graph_lock+0x170/0x170 [ 425.622708] 3*4096kB (M) [ 425.627386] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.630120] = 15908kB [ 425.633916] ? graph_lock+0x170/0x170 [ 425.636659] Node 0 [ 425.641680] ? find_held_lock+0x36/0x1c0 [ 425.644065] DMA32: [ 425.647875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.650081] 4*4kB [ 425.654140] ? lock_downgrade+0x900/0x900 [ 425.656355] (UM) [ 425.661030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.663143] 1*8kB (M) [ 425.667304] cache_grow_begin+0x91/0x8c0 [ 425.669345] 3*16kB [ 425.674892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.677371] (M) [ 425.681439] fallback_alloc+0x203/0x2e0 [ 425.683645] 3*32kB [ 425.688051] ____cache_alloc_node+0x1c7/0x1e0 [ 425.690008] (M) [ 425.693979] kmem_cache_alloc_node+0xe3/0x730 [ 425.696195] 1*64kB [ 425.700687] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.702665] (M) [ 425.707162] __alloc_skb+0x119/0x770 [ 425.709371] 3*128kB [ 425.713607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.715555] (UM) [ 425.719444] ? skb_scrub_packet+0x490/0x490 [ 425.721747] 3*256kB [ 425.727020] ? lock_downgrade+0x900/0x900 [ 425.729062] (UM) [ 425.733381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.735678] 4*512kB [ 425.739828] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.741864] (UM) [ 425.747408] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.749708] 3*1024kB (M) [ 425.755191] ? addrconf_rs_timer+0x6f0/0x6f0 [ 425.757227] 3*2048kB (M) [ 425.762697] ndisc_alloc_skb+0x144/0x340 [ 425.765415] 3*4096kB (M) [ 425.769839] ndisc_send_rs+0x331/0x6e0 [ 425.772563] = 24936kB [ 425.772572] Node 0 [ 425.776632] addrconf_rs_timer+0x3c0/0x6f0 [ 425.779355] Normal: 1267*4kB [ 425.783252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.785635] (UMEH) [ 425.787889] call_timer_fn+0x272/0x920 [ 425.792089] 430*8kB [ 425.795194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.799407] (UMEH) [ 425.801649] ? process_timeout+0x40/0x40 [ 425.805522] 212*16kB [ 425.807835] ? find_held_lock+0x36/0x1c0 [ 425.812035] (UMEH) 35*32kB [ 425.814287] ? __run_timers+0x7da/0xc70 [ 425.818320] (MH) [ 425.820732] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.824763] 9*64kB [ 425.827694] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.831647] (MH) [ 425.833714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.838182] 1*128kB (H) [ 425.840436] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 425.844899] 1*256kB [ 425.846963] ? trace_hardirqs_on+0xbd/0x310 [ 425.851171] (H) [ 425.853841] ? kasan_check_read+0x11/0x20 [ 425.858398] 0*512kB [ 425.860724] ? __run_timers+0x7da/0xc70 [ 425.865020] 0*1024kB [ 425.866996] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.871124] 0*2048kB [ 425.873455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.877401] 0*4096kB [ 425.879816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.885268] = 13980kB [ 425.887677] __run_timers+0x7e5/0xc70 [ 425.891892] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.894316] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.898528] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.900925] ? check_preemption_disabled+0x48/0x200 [ 425.904706] 4516 total pagecache pages [ 425.913543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.918890] 0 pages in swap cache [ 425.927463] ? rcu_irq_exit+0xce/0x100 [ 425.932452] Swap cache stats: add 0, delete 0, find 0/0 [ 425.932462] Free swap = 0kB [ 425.936355] ? irq_exit+0xbd/0x1c0 [ 425.941864] Total swap = 0kB [ 425.945323] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 425.949179] 1965979 pages RAM [ 425.954537] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.954557] ? retint_kernel+0x2d/0x2d [ 425.957548] 0 pages HighMem/MovableOnly [ 425.957557] 343324 pages reserved [ 425.961096] ? trace_hardirqs_on_caller+0xc0/0x300 [ 425.964109] 0 pages cma reserved [ 425.969128] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.972318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.976964] ? trace_hardirqs_off_caller+0x300/0x300 [ 425.980951] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.984809] ? graph_lock+0x170/0x170 [ 425.988240] ksoftirqd/0 cpuset= [ 425.993171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.996510] / [ 426.001429] ? check_preemption_disabled+0x48/0x200 [ 426.007901] mems_allowed=0 [ 426.013011] ? __lock_is_held+0xb5/0x140 [ 426.049559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.055101] ? check_preemption_disabled+0x48/0x200 [ 426.060133] run_timer_softirq+0x52/0xb0 [ 426.064201] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.069226] __do_softirq+0x30b/0xad8 [ 426.073045] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.078160] ? pvclock_read_flags+0x160/0x160 [ 426.082661] ? lapic_next_event+0x5a/0x90 [ 426.086816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.092354] ? check_preemption_disabled+0x48/0x200 [ 426.097371] ? check_preemption_disabled+0x48/0x200 [ 426.102398] ? kvm_clock_read+0x18/0x30 [ 426.106886] ? kvm_sched_clock_read+0x9/0x20 [ 426.111302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.116842] ? check_preemption_disabled+0x48/0x200 [ 426.121877] irq_exit+0x17f/0x1c0 [ 426.125344] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.130190] ? smp_reschedule_interrupt+0x109/0x650 [ 426.135210] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.141097] ? interrupt_entry+0xb5/0xf0 [ 426.145163] ? trace_hardirqs_off_caller+0xbb/0x300 [ 426.150181] ? trace_hardirqs_off_caller+0xbb/0x300 [ 426.155205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.160050] ? trace_hardirqs_off+0x300/0x300 [ 426.164553] ? trace_hardirqs_off+0x300/0x300 [ 426.169054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.174596] ? check_preemption_disabled+0x48/0x200 [ 426.179620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.185170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.190028] apic_timer_interrupt+0xf/0x20 [ 426.194260] [ 426.196536] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 426.201478] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 426.220395] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 426.228111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.235377] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 426.242643] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 426.249908] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.257228] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 426.264559] skb_clone+0x1bb/0x500 [ 426.268111] ? skb_split+0x11e0/0x11e0 [ 426.272005] ? preempt_notifier_register+0x200/0x200 [ 426.277110] ? __switch_to_asm+0x34/0x70 [ 426.281176] ? __switch_to_asm+0x34/0x70 [ 426.285237] ? __switch_to_asm+0x40/0x70 [ 426.289333] ? __switch_to_asm+0x34/0x70 [ 426.293404] ? __switch_to_asm+0x40/0x70 [ 426.297478] ? __switch_to_asm+0x40/0x70 [ 426.301545] ? __switch_to_asm+0x34/0x70 [ 426.305620] ? __switch_to_asm+0x34/0x70 [ 426.309707] ? __switch_to_asm+0x40/0x70 [ 426.313787] ? __switch_to_asm+0x34/0x70 [ 426.317858] bpf_clone_redirect+0xb9/0x490 [ 426.322117] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 426.327142] ? __sched_text_start+0x8/0x8 [ 426.331294] ? retint_kernel+0x2d/0x2d [ 426.335193] ? find_held_lock+0x36/0x1c0 [ 426.339269] ? lock_acquire+0x1ed/0x520 [ 426.343244] ? bpf_test_run+0x32e/0x5a0 [ 426.347223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.352766] ? check_preemption_disabled+0x48/0x200 [ 426.357787] ? kasan_check_read+0x11/0x20 [ 426.361939] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.367223] ? rcu_bh_qs+0xc0/0xc0 [ 426.370777] ? preempt_schedule+0x4d/0x60 [ 426.374931] ? ___preempt_schedule+0x16/0x18 [ 426.379355] ? bpf_test_run+0x1c0/0x5a0 [ 426.383344] ? netlink_diag_dump+0x2a0/0x2a0 [ 426.387763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.393300] ? bpf_test_init.isra.9+0x70/0x100 [ 426.397890] ? bpf_prog_test_run_skb+0x634/0xb40 [ 426.402655] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 426.407502] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.413047] ? fput+0x130/0x1a0 [ 426.416331] ? __bpf_prog_get+0x9b/0x290 [ 426.420401] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 426.425248] ? bpf_prog_test_run+0x130/0x1a0 [ 426.429669] ? __x64_sys_bpf+0x3d8/0x510 [ 426.433731] ? bpf_prog_get+0x20/0x20 [ 426.437563] ? do_syscall_64+0x1b9/0x820 [ 426.441629] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 426.446997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.451927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.456777] ? trace_hardirqs_off+0x300/0x300 [ 426.461277] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 426.466381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.471920] ? prepare_exit_to_usermode+0x291/0x3b0 [ 426.476948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.481803] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.487202] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 426.487322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.493969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.493975] Call Trace: [ 426.493997] dump_stack+0x1c4/0x2b4 [ 426.494021] ? dump_stack_print_info.cold.2+0x52/0x52 [ 426.500632] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.509864] warn_alloc.cold.118+0xb7/0x1bd [ 426.512426] syz-executor1 cpuset= [ 426.516045] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.521211] syz1 [ 426.531700] ? lock_downgrade+0x900/0x900 [ 426.536001] mems_allowed=0 [ 426.539454] ? trace_hardirqs_off+0xb8/0x300 [ 426.557695] ? trace_hardirqs_off+0xb8/0x300 [ 426.562115] __alloc_pages_slowpath+0x2667/0x2d80 [ 426.566995] ? warn_alloc+0x120/0x120 [ 426.570803] ? warn_alloc+0x120/0x120 [ 426.574610] ? print_usage_bug+0xc0/0xc0 [ 426.578675] ? warn_alloc+0x120/0x120 [ 426.582475] ? print_usage_bug+0xc0/0xc0 [ 426.586555] ? __lock_acquire+0x7ec/0x4ec0 [ 426.590800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.596342] ? should_fail+0x22d/0xd01 [ 426.600235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.605338] ? __lock_acquire+0x7ec/0x4ec0 [ 426.609580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.614685] ? __lock_acquire+0x7ec/0x4ec0 [ 426.618951] ? should_fail+0x22d/0xd01 [ 426.622840] ? print_usage_bug+0xc0/0xc0 [ 426.626910] ? mark_held_locks+0x130/0x130 [ 426.631161] ? mark_held_locks+0x130/0x130 [ 426.635409] ? graph_lock+0x170/0x170 [ 426.639210] ? print_usage_bug+0xc0/0xc0 [ 426.643273] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.648032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.653575] ? check_preemption_disabled+0x48/0x200 [ 426.658592] ? check_preemption_disabled+0x48/0x200 [ 426.663624] ? __lock_is_held+0xb5/0x140 [ 426.667699] __alloc_pages_nodemask+0xa80/0xde0 [ 426.672376] ? graph_lock+0x170/0x170 [ 426.676183] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.681206] ? graph_lock+0x170/0x170 [ 426.685024] ? find_held_lock+0x36/0x1c0 [ 426.689101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.693774] ? lock_downgrade+0x900/0x900 [ 426.697938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.703482] cache_grow_begin+0x91/0x8c0 [ 426.707548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.711994] fallback_alloc+0x203/0x2e0 [ 426.715979] ____cache_alloc_node+0x1c7/0x1e0 [ 426.720482] kmem_cache_alloc_node+0xe3/0x730 [ 426.724981] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.729233] __alloc_skb+0x119/0x770 [ 426.732951] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.738231] ? skb_scrub_packet+0x490/0x490 [ 426.742559] ? lock_downgrade+0x900/0x900 [ 426.746720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.752262] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.757721] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.763174] ? addrconf_rs_timer+0x6f0/0x6f0 [ 426.767602] ndisc_alloc_skb+0x144/0x340 [ 426.771672] ndisc_send_rs+0x331/0x6e0 [ 426.775574] addrconf_rs_timer+0x3c0/0x6f0 [ 426.779817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.784074] call_timer_fn+0x272/0x920 [ 426.787965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.792201] ? process_timeout+0x40/0x40 [ 426.796263] ? find_held_lock+0x36/0x1c0 [ 426.800340] ? __run_timers+0x7da/0xc70 [ 426.804319] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.808814] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.813313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.817547] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 426.822134] ? trace_hardirqs_on+0xbd/0x310 [ 426.826454] ? kasan_check_read+0x11/0x20 [ 426.830603] ? __run_timers+0x7da/0xc70 [ 426.834578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.840041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.844288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.848527] __run_timers+0x7e5/0xc70 [ 426.852346] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.857709] ? compat_start_thread+0x80/0x80 [ 426.862121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.867680] ? _raw_spin_unlock_irq+0x60/0x80 [ 426.872178] ? finish_task_switch+0x1f5/0x900 [ 426.876676] ? finish_task_switch+0x1b5/0x900 [ 426.881171] ? __switch_to_asm+0x34/0x70 [ 426.885241] ? preempt_notifier_register+0x200/0x200 [ 426.890343] ? __switch_to_asm+0x34/0x70 [ 426.894403] ? __switch_to_asm+0x40/0x70 [ 426.898466] ? __switch_to_asm+0x34/0x70 [ 426.902529] ? __switch_to_asm+0x40/0x70 [ 426.906591] ? __switch_to_asm+0x34/0x70 [ 426.910651] ? __switch_to_asm+0x40/0x70 [ 426.914728] ? __switch_to_asm+0x40/0x70 [ 426.918799] ? pvclock_read_flags+0x160/0x160 [ 426.923300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.928840] ? check_preemption_disabled+0x48/0x200 [ 426.933874] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.939155] ? rcu_pm_notify+0xc0/0xc0 [ 426.943045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.948583] ? check_preemption_disabled+0x48/0x200 [ 426.953610] run_timer_softirq+0x52/0xb0 [ 426.957672] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.962694] __do_softirq+0x30b/0xad8 [ 426.966508] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.971613] ? trace_hardirqs_off_caller+0x300/0x300 [ 426.976715] ? retint_kernel+0x1b/0x2d [ 426.980616] ? schedule+0x108/0x460 [ 426.984246] ? __schedule+0x1ed0/0x1ed0 [ 426.988228] ? trace_hardirqs_off+0xb8/0x300 [ 426.992655] ? ___might_sleep+0x1ed/0x300 [ 426.996815] ? smpboot_thread_fn+0x68b/0xa00 [ 427.001226] ? trace_hardirqs_on+0x310/0x310 [ 427.005640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.011180] ? check_preemption_disabled+0x48/0x200 [ 427.016193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.021738] ? takeover_tasklets+0xa90/0xa90 [ 427.026160] run_ksoftirqd+0x94/0x100 [ 427.029965] smpboot_thread_fn+0x68b/0xa00 [ 427.034204] ? sort_range+0x30/0x30 [ 427.037846] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.042955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.048495] ? __kthread_parkme+0xfb/0x1a0 [ 427.052742] kthread+0x35a/0x420 [ 427.056119] ? sort_range+0x30/0x30 [ 427.059749] ? kthread_bind+0x40/0x40 [ 427.063556] ret_from_fork+0x3a/0x50 [ 427.067285] warn_alloc_show_mem: 1 callbacks suppressed [ 427.067298] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 427.067300] Mem-Info: [ 427.067334] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 427.067334] active_file:18 inactive_file:31 isolated_file:0 [ 427.067334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.067334] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 427.067334] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 427.067334] free:13670 free_pcp:352 free_cma:0 [ 427.072668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.072678] Call Trace: [ 427.079968] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.082369] [ 427.115419] Node 0 [ 427.124799] dump_stack+0x1c4/0x2b4 [ 427.127381] 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 [ 427.155302] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.157436] lowmem_reserve[]: [ 427.159686] warn_alloc.cold.118+0xb7/0x1bd [ 427.163280] 0 [ 427.188799] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.193966] 2815 [ 427.197075] ? lock_downgrade+0x900/0x900 [ 427.201378] 6318 [ 427.203182] ? trace_hardirqs_off+0xb8/0x300 [ 427.207994] 6318 [ 427.210061] ? trace_hardirqs_off+0xb8/0x300 [ 427.216274] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.220659] Node 0 [ 427.222748] ? warn_alloc+0x120/0x120 [ 427.227133] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.231949] ? warn_alloc+0x120/0x120 [ 427.234159] lowmem_reserve[]: [ 427.237959] ? print_usage_bug+0xc0/0xc0 [ 427.264670] 0 0 [ 427.268498] ? warn_alloc+0x120/0x120 [ 427.271579] 3503 [ 427.275636] ? print_usage_bug+0xc0/0xc0 [ 427.277590] 3503 [ 427.281387] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.287492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.289540] Node 0 [ 427.294561] ? should_fail+0x22d/0xd01 [ 427.300094] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 427.302302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.306163] lowmem_reserve[]: [ 427.334815] ? __lock_acquire+0x7ec/0x4ec0 [ 427.339910] 0 [ 427.343015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.347233] 0 0 [ 427.349041] ? should_fail+0x22d/0xd01 [ 427.354122] 0 [ 427.356117] ? mark_held_locks+0x130/0x130 [ 427.359975] Node 0 [ 427.361835] ? mark_held_locks+0x130/0x130 [ 427.366055] DMA: [ 427.368312] ? print_usage_bug+0xc0/0xc0 [ 427.372531] 1*4kB [ 427.374605] ? find_held_lock+0x36/0x1c0 [ 427.378667] (U) [ 427.380823] ? graph_lock+0x170/0x170 [ 427.384864] 0*8kB [ 427.386837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.390612] 0*16kB [ 427.392759] ? check_preemption_disabled+0x48/0x200 [ 427.398277] 1*32kB [ 427.400524] ? check_preemption_disabled+0x48/0x200 [ 427.405513] (U) [ 427.407761] ? __lock_is_held+0xb5/0x140 [ 427.412750] 2*64kB [ 427.414730] __alloc_pages_nodemask+0xa80/0xde0 [ 427.418761] (U) [ 427.421001] ? graph_lock+0x170/0x170 [ 427.425645] 1*128kB (U) [ 427.427629] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.431411] 1*256kB [ 427.434081] ? graph_lock+0x170/0x170 [ 427.439074] (U) [ 427.441430] ? find_held_lock+0x36/0x1c0 [ 427.445196] 0*512kB [ 427.447179] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.451226] 1*1024kB [ 427.453557] ? lock_downgrade+0x900/0x900 [ 427.458203] (U) [ 427.460631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.464751] 1*2048kB [ 427.466728] cache_grow_begin+0x91/0x8c0 [ 427.472240] (M) [ 427.474651] ? do_raw_spin_unlock+0xa7/0x2f0 [ 427.478682] 3*4096kB (M) [ 427.480673] fallback_alloc+0x203/0x2e0 [ 427.485060] = 15908kB [ 427.487815] ____cache_alloc_node+0x1c7/0x1e0 [ 427.491762] Node 0 [ 427.494170] kmem_cache_alloc_node+0xe3/0x730 [ 427.498639] DMA32: [ 427.500871] ? mark_held_locks+0xc7/0x130 [ 427.505341] 4*4kB [ 427.507583] __alloc_skb+0x119/0x770 [ 427.511699] (UM) [ 427.513850] ? skb_scrub_packet+0x490/0x490 [ 427.517538] 1*8kB [ 427.519603] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 427.523895] (M) [ 427.526065] ? queue_work_on+0x12c/0x1e0 [ 427.530620] 3*16kB [ 427.532594] ? switchdev_port_obj_del+0xdc/0x450 [ 427.536625] (M) 3*32kB [ 427.538868] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.543594] (M) 1*64kB [ 427.546189] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.551518] (M) 3*128kB (UM) [ 427.554121] __br_mdb_notify+0x4ff/0x15d0 [ 427.559114] 3*256kB [ 427.562221] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.566356] (UM) [ 427.568710] ? mod_timer+0x647/0x1440 [ 427.573793] 4*512kB [ 427.575849] ? __br_mdb_add+0x800/0x800 [ 427.579648] (UM) [ 427.581974] ? __lock_acquire+0x7ec/0x4ec0 [ 427.585946] 3*1024kB [ 427.588006] ? kasan_check_read+0x11/0x20 [ 427.592218] (M) [ 427.594640] ? ___ratelimit+0x36f/0x655 [ 427.598768] 3*2048kB [ 427.600746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.604693] (M) [ 427.607102] ? debug_object_init_on_stack+0x20/0x20 [ 427.612524] 3*4096kB (M) [ 427.614511] ? graph_lock+0x170/0x170 [ 427.619505] = 24936kB [ 427.622269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.626040] Node 0 [ 427.628453] br_mdb_notify+0x310/0x410 [ 427.633962] Normal: [ 427.636194] ? br_mdb_dump+0x2530/0x2530 [ 427.640058] 1267*4kB [ 427.642408] br_multicast_del_pg+0x3df/0x790 [ 427.646434] (UMEH) [ 427.648843] ? br_mdb_ip_get+0x940/0x940 [ 427.653221] 430*8kB (UMEH) [ 427.655472] ? kasan_check_write+0x14/0x20 [ 427.659507] 212*16kB [ 427.662450] ? do_raw_spin_lock+0xc1/0x200 [ 427.666677] (UMEH) [ 427.669090] br_multicast_port_group_expired+0x189/0x1e0 [ 427.673296] 35*32kB (MH) [ 427.675551] call_timer_fn+0x272/0x920 [ 427.680980] 9*64kB [ 427.683732] ? br_multicast_del_pg+0x790/0x790 [ 427.687594] (MH) [ 427.689825] ? process_timeout+0x40/0x40 [ 427.694383] 1*128kB [ 427.696444] ? find_held_lock+0x36/0x1c0 [ 427.700507] (H) [ 427.702840] ? __run_timers+0x7da/0xc70 [ 427.706872] 1*256kB (H) [ 427.708878] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.712842] 0*512kB [ 427.715509] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.719985] 0*1024kB [ 427.722303] ? br_multicast_del_pg+0x790/0x790 [ 427.726790] 0*2048kB [ 427.729222] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 427.733790] 0*4096kB [ 427.736200] ? trace_hardirqs_on+0xbd/0x310 [ 427.740752] = 13980kB [ 427.740767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.743170] ? kasan_check_read+0x11/0x20 [ 427.747474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.749875] ? __run_timers+0x7da/0xc70 [ 427.758690] 4516 total pagecache pages [ 427.762836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.771391] 0 pages in swap cache [ 427.775362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.779225] Swap cache stats: add 0, delete 0, find 0/0 [ 427.784669] ? br_multicast_del_pg+0x790/0x790 [ 427.788099] Free swap = 0kB [ 427.792335] __run_timers+0x7e5/0xc70 [ 427.797675] Total swap = 0kB [ 427.802265] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 427.805249] 1965979 pages RAM [ 427.809044] ? check_preemption_disabled+0x48/0x200 [ 427.812039] 0 pages HighMem/MovableOnly [ 427.817404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.820487] 343324 pages reserved [ 427.825530] ? rcu_irq_exit+0xce/0x100 [ 427.829497] 0 pages cma reserved [ 427.835038] ? irq_exit+0xbd/0x1c0 [ 427.838587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.842357] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 427.842377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.842395] ? retint_kernel+0x2d/0x2d [ 427.869369] ? trace_hardirqs_on_caller+0xc0/0x300 [ 427.874391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.879151] ? trace_hardirqs_off_caller+0x300/0x300 [ 427.884256] ? graph_lock+0x170/0x170 [ 427.888062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.893606] ? check_preemption_disabled+0x48/0x200 [ 427.898638] ? __lock_is_held+0xb5/0x140 [ 427.902701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.908239] ? check_preemption_disabled+0x48/0x200 [ 427.913268] run_timer_softirq+0x52/0xb0 [ 427.917346] ? rcu_read_lock_sched_held+0x108/0x120 [ 427.922370] __do_softirq+0x30b/0xad8 [ 427.926195] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 427.931308] ? pvclock_read_flags+0x160/0x160 [ 427.935807] ? lapic_next_event+0x5a/0x90 [ 427.939960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.945497] ? check_preemption_disabled+0x48/0x200 [ 427.950551] ? check_preemption_disabled+0x48/0x200 [ 427.955586] ? kvm_clock_read+0x18/0x30 [ 427.959565] ? kvm_sched_clock_read+0x9/0x20 [ 427.963977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.969514] ? check_preemption_disabled+0x48/0x200 [ 427.974585] irq_exit+0x17f/0x1c0 [ 427.978042] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.982886] ? smp_reschedule_interrupt+0x109/0x650 [ 427.987908] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.993798] ? interrupt_entry+0xb5/0xf0 [ 427.998084] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.003104] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.008127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.012990] ? trace_hardirqs_off+0x300/0x300 [ 428.017511] ? trace_hardirqs_off+0x300/0x300 [ 428.022009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.027551] ? check_preemption_disabled+0x48/0x200 [ 428.032571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.038120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.042978] apic_timer_interrupt+0xf/0x20 [ 428.047208] [ 428.049457] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.054395] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 428.073298] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 428.081011] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.088279] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 428.095548] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 428.102842] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.110604] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 428.117954] skb_clone+0x1bb/0x500 [ 428.121501] ? skb_split+0x11e0/0x11e0 [ 428.125404] ? preempt_notifier_register+0x200/0x200 [ 428.130513] ? __switch_to_asm+0x34/0x70 [ 428.134585] ? __switch_to_asm+0x34/0x70 [ 428.138645] ? __switch_to_asm+0x40/0x70 [ 428.142703] ? __switch_to_asm+0x34/0x70 [ 428.146764] ? __switch_to_asm+0x40/0x70 [ 428.150827] ? __switch_to_asm+0x40/0x70 [ 428.154890] ? __switch_to_asm+0x34/0x70 [ 428.158958] ? __switch_to_asm+0x34/0x70 [ 428.163019] ? __switch_to_asm+0x40/0x70 [ 428.167100] ? __switch_to_asm+0x34/0x70 [ 428.171176] bpf_clone_redirect+0xb9/0x490 [ 428.175433] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 428.180462] ? __sched_text_start+0x8/0x8 [ 428.184619] ? retint_kernel+0x2d/0x2d [ 428.188526] ? find_held_lock+0x36/0x1c0 [ 428.192601] ? lock_acquire+0x1ed/0x520 [ 428.196593] ? bpf_test_run+0x32e/0x5a0 [ 428.200568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.206105] ? check_preemption_disabled+0x48/0x200 [ 428.211133] ? kasan_check_read+0x11/0x20 [ 428.215293] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.220574] ? rcu_bh_qs+0xc0/0xc0 [ 428.224119] ? preempt_schedule+0x4d/0x60 [ 428.228274] ? ___preempt_schedule+0x16/0x18 [ 428.232691] ? bpf_test_run+0x1c0/0x5a0 [ 428.236676] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.241089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.246626] ? bpf_test_init.isra.9+0x70/0x100 [ 428.251216] ? bpf_prog_test_run_skb+0x634/0xb40 [ 428.256005] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.260857] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.266400] ? fput+0x130/0x1a0 [ 428.269691] ? __bpf_prog_get+0x9b/0x290 [ 428.273755] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.278600] ? bpf_prog_test_run+0x130/0x1a0 [ 428.283018] ? __x64_sys_bpf+0x3d8/0x510 [ 428.287081] ? bpf_prog_get+0x20/0x20 [ 428.290905] ? do_syscall_64+0x1b9/0x820 [ 428.294971] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.300341] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.305270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.310119] ? trace_hardirqs_off+0x300/0x300 [ 428.314619] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.319641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.325181] ? prepare_exit_to_usermode+0x291/0x3b0 [ 428.330209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.335066] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.340629] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.350953] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 428.355647] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 428.362395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.371746] Call Trace: [ 428.374338] dump_stack+0x1c4/0x2b4 [ 428.377971] ? dump_stack_print_info.cold.2+0x52/0x52 [ 428.383178] warn_alloc.cold.118+0xb7/0x1bd [ 428.387502] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.392357] ? lock_downgrade+0x900/0x900 [ 428.396515] ? trace_hardirqs_off+0xb8/0x300 [ 428.400948] ? trace_hardirqs_off+0xb8/0x300 [ 428.405382] __alloc_pages_slowpath+0x2667/0x2d80 [ 428.410256] ? warn_alloc+0x120/0x120 [ 428.414060] ? warn_alloc+0x120/0x120 [ 428.417865] ? print_usage_bug+0xc0/0xc0 [ 428.421943] ? warn_alloc+0x120/0x120 [ 428.425773] ? print_usage_bug+0xc0/0xc0 [ 428.429847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.435403] ? should_fail+0x22d/0xd01 [ 428.439300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.444418] ? __lock_acquire+0x7ec/0x4ec0 [ 428.448673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.453785] ? __lock_acquire+0x7ec/0x4ec0 [ 428.458017] ? should_fail+0x22d/0xd01 [ 428.461904] ? mark_held_locks+0x130/0x130 [ 428.466153] ? mark_held_locks+0x130/0x130 [ 428.470414] ? mark_held_locks+0x130/0x130 [ 428.474661] ? graph_lock+0x170/0x170 [ 428.478467] ? ret_from_fork+0x3a/0x50 [ 428.482367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.487929] ? check_preemption_disabled+0x48/0x200 [ 428.492948] ? check_preemption_disabled+0x48/0x200 [ 428.497979] ? __lock_is_held+0xb5/0x140 [ 428.502051] __alloc_pages_nodemask+0xa80/0xde0 [ 428.506733] ? graph_lock+0x170/0x170 [ 428.510549] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.515568] ? graph_lock+0x170/0x170 [ 428.519414] ? find_held_lock+0x36/0x1c0 [ 428.523502] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.528174] ? lock_downgrade+0x900/0x900 [ 428.532333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.537890] cache_grow_begin+0x91/0x8c0 [ 428.541964] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.546381] fallback_alloc+0x203/0x2e0 [ 428.550379] ____cache_alloc_node+0x1c7/0x1e0 [ 428.554895] kmem_cache_alloc_node+0xe3/0x730 [ 428.559409] ? mark_held_locks+0xc7/0x130 [ 428.563598] __alloc_skb+0x119/0x770 [ 428.567317] ? skb_scrub_packet+0x490/0x490 [ 428.571651] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 428.576245] ? queue_work_on+0x12c/0x1e0 [ 428.580316] ? switchdev_port_obj_del+0xdc/0x450 [ 428.585074] ? switchdev_trans_item_enqueue+0x260/0x260 [ 428.590447] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.595472] __br_mdb_notify+0x4ff/0x15d0 [ 428.599627] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.604735] ? mod_timer+0x647/0x1440 [ 428.608538] ? __br_mdb_add+0x800/0x800 [ 428.612519] ? __lock_acquire+0x7ec/0x4ec0 [ 428.616755] ? lockdep_hardirqs_on+0x150/0x5c0 [ 428.621345] ? ___ratelimit+0x36f/0x655 [ 428.625327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.630788] ? debug_object_init_on_stack+0x20/0x20 [ 428.635810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.641355] br_mdb_notify+0x310/0x410 [ 428.645247] ? br_mdb_dump+0x2530/0x2530 [ 428.649361] br_multicast_del_pg+0x3df/0x790 [ 428.653775] ? br_mdb_ip_get+0x940/0x940 [ 428.657866] ? do_raw_spin_lock+0x1a7/0x200 [ 428.662213] br_multicast_port_group_expired+0x189/0x1e0 [ 428.667675] call_timer_fn+0x272/0x920 [ 428.671567] ? br_multicast_del_pg+0x790/0x790 [ 428.676156] ? process_timeout+0x40/0x40 [ 428.680220] ? find_held_lock+0x36/0x1c0 [ 428.684290] ? __run_timers+0x7da/0xc70 [ 428.688305] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.692798] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.697325] ? br_multicast_del_pg+0x790/0x790 [ 428.701918] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.706516] ? trace_hardirqs_on+0xbd/0x310 [ 428.710877] ? kasan_check_read+0x11/0x20 [ 428.715059] ? __run_timers+0x7da/0xc70 [ 428.719036] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.724504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.728744] ? br_multicast_del_pg+0x790/0x790 [ 428.733336] __run_timers+0x7e5/0xc70 [ 428.737155] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.742523] ? compat_start_thread+0x80/0x80 [ 428.746945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.752495] ? _raw_spin_unlock_irq+0x60/0x80 [ 428.756998] ? finish_task_switch+0x1f5/0x900 [ 428.761492] ? finish_task_switch+0x1b5/0x900 [ 428.765987] ? __switch_to_asm+0x34/0x70 [ 428.770057] ? preempt_notifier_register+0x200/0x200 [ 428.775187] ? __switch_to_asm+0x34/0x70 [ 428.779243] ? __switch_to_asm+0x40/0x70 [ 428.783301] ? __switch_to_asm+0x34/0x70 [ 428.787359] ? __switch_to_asm+0x40/0x70 [ 428.791417] ? __switch_to_asm+0x34/0x70 [ 428.795490] ? __switch_to_asm+0x40/0x70 [ 428.799554] ? __switch_to_asm+0x40/0x70 [ 428.803626] ? pvclock_read_flags+0x160/0x160 [ 428.808124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.813661] ? check_preemption_disabled+0x48/0x200 [ 428.818709] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.823992] ? rcu_pm_notify+0xc0/0xc0 [ 428.827883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.833418] ? check_preemption_disabled+0x48/0x200 [ 428.838447] run_timer_softirq+0x52/0xb0 [ 428.842535] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.847557] __do_softirq+0x30b/0xad8 [ 428.851369] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.856489] ? trace_hardirqs_off_caller+0x300/0x300 [ 428.861593] ? retint_kernel+0x1b/0x2d [ 428.865495] ? schedule+0x108/0x460 [ 428.869132] ? __schedule+0x1ed0/0x1ed0 [ 428.873120] ? trace_hardirqs_off+0xb8/0x300 [ 428.877529] ? ___might_sleep+0x1ed/0x300 [ 428.881680] ? smpboot_thread_fn+0x68b/0xa00 [ 428.886089] ? trace_hardirqs_on+0x310/0x310 [ 428.890505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.896045] ? check_preemption_disabled+0x48/0x200 [ 428.901064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.906610] ? takeover_tasklets+0xa90/0xa90 [ 428.911022] run_ksoftirqd+0x94/0x100 [ 428.914823] smpboot_thread_fn+0x68b/0xa00 [ 428.919061] ? sort_range+0x30/0x30 [ 428.922701] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.927808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.933351] ? __kthread_parkme+0xfb/0x1a0 [ 428.937592] kthread+0x35a/0x420 [ 428.940960] ? sort_range+0x30/0x30 [ 428.944588] ? kthread_bind+0x40/0x40 [ 428.948392] ret_from_fork+0x3a/0x50 [ 428.952128] warn_alloc_show_mem: 1 callbacks suppressed [ 428.952134] Mem-Info: [ 428.959937] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 428.959937] active_file:18 inactive_file:31 isolated_file:0 [ 428.959937] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.959937] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 428.959937] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 428.959937] free:13670 free_pcp:352 free_cma:0 [ 428.993041] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 429.020972] 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 [ 429.047109] lowmem_reserve[]: 0 2815 6318 6318 [ 429.051714] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 429.079069] lowmem_reserve[]: 0 0 3503 3503 [ 429.083418] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 429.112692] lowmem_reserve[]: 0 0 0 0 [ 429.116526] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 429.130180] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 429.145412] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 429.160635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.169466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.178029] 4516 total pagecache pages [ 429.181925] 0 pages in swap cache [ 429.185370] Swap cache stats: add 0, delete 0, find 0/0 [ 429.190723] Free swap = 0kB [ 429.193735] Total swap = 0kB [ 429.196748] 1965979 pages RAM [ 429.199845] 0 pages HighMem/MovableOnly [ 429.203810] 343324 pages reserved [ 429.207250] 0 pages cma reserved [ 429.210800] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.221297] syz-executor1 cpuset=syz1 mems_allowed=0 [ 429.226428] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 429.233698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.243048] Call Trace: [ 429.245628] [ 429.247799] dump_stack+0x1c4/0x2b4 [ 429.251452] ? dump_stack_print_info.cold.2+0x52/0x52 [ 429.256660] warn_alloc.cold.118+0xb7/0x1bd [ 429.260989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.265839] ? lock_downgrade+0x900/0x900 [ 429.270010] ? trace_hardirqs_off+0xb8/0x300 [ 429.274431] ? trace_hardirqs_off+0xb8/0x300 [ 429.278853] __alloc_pages_slowpath+0x2667/0x2d80 [ 429.283753] ? warn_alloc+0x120/0x120 [ 429.287559] ? warn_alloc+0x120/0x120 [ 429.291367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.296909] ? print_usage_bug+0xc0/0xc0 [ 429.300977] ? warn_alloc+0x120/0x120 [ 429.304781] ? print_usage_bug+0xc0/0xc0 [ 429.308854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.314406] ? should_fail+0x22d/0xd01 [ 429.318295] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.323317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.328429] ? __lock_acquire+0x7ec/0x4ec0 [ 429.332668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.337778] ? should_fail+0x22d/0xd01 [ 429.341684] ? mark_held_locks+0x130/0x130 [ 429.345923] ? mark_held_locks+0x130/0x130 [ 429.350162] ? print_usage_bug+0xc0/0xc0 [ 429.354230] ? find_held_lock+0x36/0x1c0 [ 429.358291] ? graph_lock+0x170/0x170 [ 429.362098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.367641] ? check_preemption_disabled+0x48/0x200 [ 429.372655] ? check_preemption_disabled+0x48/0x200 [ 429.377685] ? __lock_is_held+0xb5/0x140 [ 429.381755] __alloc_pages_nodemask+0xa80/0xde0 [ 429.386435] ? graph_lock+0x170/0x170 [ 429.390240] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.395259] ? graph_lock+0x170/0x170 [ 429.399077] ? find_held_lock+0x36/0x1c0 [ 429.403158] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.407833] ? lock_downgrade+0x900/0x900 [ 429.411992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.417557] cache_grow_begin+0x91/0x8c0 [ 429.421628] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.426045] fallback_alloc+0x203/0x2e0 [ 429.430030] ____cache_alloc_node+0x1c7/0x1e0 [ 429.434537] kmem_cache_alloc_node+0xe3/0x730 [ 429.439037] ? mark_held_locks+0xc7/0x130 [ 429.443204] __alloc_skb+0x119/0x770 [ 429.446925] ? skb_scrub_packet+0x490/0x490 [ 429.451257] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 429.455847] ? queue_work_on+0x12c/0x1e0 [ 429.459920] ? switchdev_port_obj_del+0xdc/0x450 [ 429.464679] ? switchdev_trans_item_enqueue+0x260/0x260 [ 429.470049] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.475076] __br_mdb_notify+0x4ff/0x15d0 [ 429.479236] ? __br_mdb_add+0x800/0x800 [ 429.483209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.488751] ? __lock_acquire+0x7ec/0x4ec0 [ 429.493015] ? kasan_check_read+0x11/0x20 [ 429.497174] ? debug_object_init_on_stack+0x20/0x20 [ 429.502194] ? graph_lock+0x170/0x170 [ 429.505999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.511552] br_mdb_notify+0x310/0x410 [ 429.515446] ? br_mdb_dump+0x2530/0x2530 [ 429.519533] br_multicast_del_pg+0x3df/0x790 [ 429.523950] ? br_mdb_ip_get+0x940/0x940 [ 429.528029] ? do_raw_spin_lock+0x1a7/0x200 [ 429.532364] br_multicast_port_group_expired+0x189/0x1e0 [ 429.537825] call_timer_fn+0x272/0x920 [ 429.541717] ? br_multicast_del_pg+0x790/0x790 [ 429.546301] ? process_timeout+0x40/0x40 [ 429.550366] ? find_held_lock+0x36/0x1c0 [ 429.554444] ? __run_timers+0x7da/0xc70 [ 429.558456] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.562954] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.567450] ? br_multicast_del_pg+0x790/0x790 [ 429.572035] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 429.576626] ? trace_hardirqs_on+0xbd/0x310 [ 429.580949] ? kasan_check_read+0x11/0x20 [ 429.585102] ? __run_timers+0x7da/0xc70 [ 429.589077] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.594542] ? br_multicast_del_pg+0x790/0x790 [ 429.599130] ? br_multicast_del_pg+0x790/0x790 [ 429.603715] __run_timers+0x7e5/0xc70 [ 429.607543] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.612908] ? check_preemption_disabled+0x48/0x200 [ 429.617926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.623475] ? rcu_irq_exit+0xce/0x100 [ 429.627380] ? irq_exit+0xbd/0x1c0 [ 429.630926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 429.635950] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.640798] ? retint_kernel+0x2d/0x2d [ 429.644687] ? trace_hardirqs_on_caller+0xc0/0x300 [ 429.649621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.654380] ? trace_hardirqs_off_caller+0x300/0x300 [ 429.659489] ? graph_lock+0x170/0x170 [ 429.663327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.668868] ? check_preemption_disabled+0x48/0x200 [ 429.673898] ? __lock_is_held+0xb5/0x140 [ 429.677963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.683504] ? check_preemption_disabled+0x48/0x200 [ 429.688544] run_timer_softirq+0x52/0xb0 [ 429.692625] ? rcu_read_lock_sched_held+0x108/0x120 [ 429.697646] __do_softirq+0x30b/0xad8 [ 429.701464] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.706581] ? pvclock_read_flags+0x160/0x160 [ 429.711100] ? lapic_next_event+0x5a/0x90 [ 429.715248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.720795] ? check_preemption_disabled+0x48/0x200 [ 429.725808] ? check_preemption_disabled+0x48/0x200 [ 429.730862] ? kvm_clock_read+0x18/0x30 [ 429.734849] ? kvm_sched_clock_read+0x9/0x20 [ 429.739268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.744800] ? check_preemption_disabled+0x48/0x200 [ 429.749838] irq_exit+0x17f/0x1c0 [ 429.753298] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.758145] ? smp_reschedule_interrupt+0x109/0x650 [ 429.763162] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.769045] ? interrupt_entry+0xb5/0xf0 [ 429.773109] ? trace_hardirqs_off_caller+0xbb/0x300 [ 429.778125] ? trace_hardirqs_off_caller+0xbb/0x300 [ 429.783147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.787992] ? trace_hardirqs_off+0x300/0x300 [ 429.792488] ? trace_hardirqs_off+0x300/0x300 [ 429.796994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.802539] ? check_preemption_disabled+0x48/0x200 [ 429.807555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.813107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.817963] apic_timer_interrupt+0xf/0x20 [ 429.822196] [ 429.824444] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 429.829382] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 429.848293] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 429.856026] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 429.863292] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 429.870560] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 429.877829] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 429.885097] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 429.892426] skb_clone+0x1bb/0x500 [ 429.895969] ? skb_split+0x11e0/0x11e0 [ 429.899865] ? preempt_notifier_register+0x200/0x200 [ 429.904967] ? __switch_to_asm+0x34/0x70 [ 429.909031] ? __switch_to_asm+0x34/0x70 [ 429.913094] ? __switch_to_asm+0x40/0x70 [ 429.917153] ? __switch_to_asm+0x34/0x70 [ 429.921211] ? __switch_to_asm+0x40/0x70 [ 429.925278] ? __switch_to_asm+0x40/0x70 [ 429.929338] ? __switch_to_asm+0x34/0x70 [ 429.933400] ? __switch_to_asm+0x34/0x70 [ 429.937467] ? __switch_to_asm+0x40/0x70 [ 429.941534] ? __switch_to_asm+0x34/0x70 [ 429.945608] bpf_clone_redirect+0xb9/0x490 [ 429.949857] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 429.954878] ? __sched_text_start+0x8/0x8 [ 429.959028] ? retint_kernel+0x2d/0x2d [ 429.962928] ? find_held_lock+0x36/0x1c0 [ 429.967001] ? lock_acquire+0x1ed/0x520 [ 429.970975] ? bpf_test_run+0x32e/0x5a0 [ 429.974952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.980490] ? check_preemption_disabled+0x48/0x200 [ 429.985524] ? kasan_check_read+0x11/0x20 [ 429.989683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.994961] ? rcu_bh_qs+0xc0/0xc0 [ 429.998735] ? preempt_schedule+0x4d/0x60 [ 430.002888] ? ___preempt_schedule+0x16/0x18 [ 430.007308] ? bpf_test_run+0x1c0/0x5a0 [ 430.011297] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.015711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.021248] ? bpf_test_init.isra.9+0x70/0x100 [ 430.025834] ? bpf_prog_test_run_skb+0x634/0xb40 [ 430.030597] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.035445] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.040987] ? fput+0x130/0x1a0 [ 430.044277] ? __bpf_prog_get+0x9b/0x290 [ 430.048340] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.053192] ? bpf_prog_test_run+0x130/0x1a0 [ 430.057617] ? __x64_sys_bpf+0x3d8/0x510 [ 430.061683] ? bpf_prog_get+0x20/0x20 [ 430.065528] ? do_syscall_64+0x1b9/0x820 [ 430.069609] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.074979] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.079909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.084761] ? trace_hardirqs_off+0x300/0x300 [ 430.089259] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.094278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.099818] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.104844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.110203] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.115732] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.115762] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.126228] syz-executor1 cpuset= [ 430.136539] ksoftirqd/0 cpuset= [ 430.136542] syz1 mems_allowed=0 [ 430.139995] / [ 430.143276] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 430.146536] mems_allowed=0 [ 430.148243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.167776] Call Trace: [ 430.170365] [ 430.172541] dump_stack+0x1c4/0x2b4 [ 430.176176] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.181393] warn_alloc.cold.118+0xb7/0x1bd [ 430.185723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.190570] ? lock_downgrade+0x900/0x900 [ 430.194735] ? trace_hardirqs_off+0xb8/0x300 [ 430.199151] ? trace_hardirqs_off+0xb8/0x300 [ 430.203574] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.208455] ? warn_alloc+0x120/0x120 [ 430.212267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.217293] ? warn_alloc+0x120/0x120 [ 430.221110] ? print_usage_bug+0xc0/0xc0 [ 430.225175] ? warn_alloc+0x120/0x120 [ 430.228982] ? print_usage_bug+0xc0/0xc0 [ 430.233042] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.238246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.243792] ? should_fail+0x22d/0xd01 [ 430.247709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.252813] ? __lock_acquire+0x7ec/0x4ec0 [ 430.257056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.262163] ? should_fail+0x22d/0xd01 [ 430.266069] ? mark_held_locks+0x130/0x130 [ 430.270310] ? mark_held_locks+0x130/0x130 [ 430.274548] ? print_usage_bug+0xc0/0xc0 [ 430.278616] ? find_held_lock+0x36/0x1c0 [ 430.282686] ? graph_lock+0x170/0x170 [ 430.286492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.292151] ? check_preemption_disabled+0x48/0x200 [ 430.297167] ? check_preemption_disabled+0x48/0x200 [ 430.302195] ? __lock_is_held+0xb5/0x140 [ 430.306268] __alloc_pages_nodemask+0xa80/0xde0 [ 430.310941] ? graph_lock+0x170/0x170 [ 430.314748] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 430.319766] ? graph_lock+0x170/0x170 [ 430.323584] ? find_held_lock+0x36/0x1c0 [ 430.327661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.332335] ? lock_downgrade+0x900/0x900 [ 430.336510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.342066] cache_grow_begin+0x91/0x8c0 [ 430.346129] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.350573] fallback_alloc+0x203/0x2e0 [ 430.354560] ____cache_alloc_node+0x1c7/0x1e0 [ 430.359063] kmem_cache_alloc_node+0xe3/0x730 [ 430.363563] ? mark_held_locks+0xc7/0x130 [ 430.367726] __alloc_skb+0x119/0x770 [ 430.371461] ? skb_scrub_packet+0x490/0x490 [ 430.375795] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 430.380389] ? queue_work_on+0x12c/0x1e0 [ 430.384468] ? switchdev_port_obj_del+0xdc/0x450 [ 430.389230] ? switchdev_trans_item_enqueue+0x260/0x260 [ 430.394602] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.399629] __br_mdb_notify+0x4ff/0x15d0 [ 430.403802] ? __br_mdb_add+0x800/0x800 [ 430.407779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.413329] ? __lock_acquire+0x7ec/0x4ec0 [ 430.417578] ? kasan_check_read+0x11/0x20 [ 430.421733] ? debug_object_init_on_stack+0x20/0x20 [ 430.426763] ? graph_lock+0x170/0x170 [ 430.430585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.436134] br_mdb_notify+0x310/0x410 [ 430.440029] ? br_mdb_dump+0x2530/0x2530 [ 430.444112] br_multicast_del_pg+0x3df/0x790 [ 430.448536] ? br_mdb_ip_get+0x940/0x940 [ 430.452606] ? kasan_check_write+0x14/0x20 [ 430.456855] ? do_raw_spin_lock+0xc1/0x200 [ 430.461100] br_multicast_port_group_expired+0x189/0x1e0 [ 430.466563] call_timer_fn+0x272/0x920 [ 430.470457] ? br_multicast_del_pg+0x790/0x790 [ 430.475045] ? process_timeout+0x40/0x40 [ 430.479109] ? find_held_lock+0x36/0x1c0 [ 430.483181] ? __run_timers+0x7da/0xc70 [ 430.487173] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.491668] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.496162] ? br_multicast_del_pg+0x790/0x790 [ 430.500744] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.505334] ? trace_hardirqs_on+0xbd/0x310 [ 430.509658] ? kasan_check_read+0x11/0x20 [ 430.513809] ? __run_timers+0x7da/0xc70 [ 430.517788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.523246] ? br_multicast_del_pg+0x790/0x790 [ 430.527837] ? br_multicast_del_pg+0x790/0x790 [ 430.532418] __run_timers+0x7e5/0xc70 [ 430.536287] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.541652] ? check_preemption_disabled+0x48/0x200 [ 430.546685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.552233] ? rcu_irq_exit+0xce/0x100 [ 430.556129] ? irq_exit+0xbd/0x1c0 [ 430.559676] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 430.564696] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.569464] ? retint_kernel+0x2d/0x2d [ 430.573354] ? trace_hardirqs_on_caller+0xc0/0x300 [ 430.578287] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.583067] ? trace_hardirqs_off_caller+0x300/0x300 [ 430.588175] ? graph_lock+0x170/0x170 [ 430.591985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.597544] ? check_preemption_disabled+0x48/0x200 [ 430.602579] ? __lock_is_held+0xb5/0x140 [ 430.606642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.612190] ? check_preemption_disabled+0x48/0x200 [ 430.617218] run_timer_softirq+0x52/0xb0 [ 430.621286] ? rcu_read_lock_sched_held+0x108/0x120 [ 430.626305] __do_softirq+0x30b/0xad8 [ 430.630118] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 430.635233] ? pvclock_read_flags+0x160/0x160 [ 430.639732] ? lapic_next_event+0x5a/0x90 [ 430.643885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.649419] ? check_preemption_disabled+0x48/0x200 [ 430.654456] ? check_preemption_disabled+0x48/0x200 [ 430.659477] ? kvm_clock_read+0x18/0x30 [ 430.663469] ? kvm_sched_clock_read+0x9/0x20 [ 430.667919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.673456] ? check_preemption_disabled+0x48/0x200 [ 430.678508] irq_exit+0x17f/0x1c0 [ 430.682018] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.686862] ? smp_reschedule_interrupt+0x109/0x650 [ 430.691881] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.697770] ? interrupt_entry+0xb5/0xf0 [ 430.701850] ? trace_hardirqs_off_caller+0xbb/0x300 [ 430.706868] ? trace_hardirqs_off_caller+0xbb/0x300 [ 430.711892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.716737] ? trace_hardirqs_off+0x300/0x300 [ 430.721234] ? trace_hardirqs_off+0x300/0x300 [ 430.725732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.731272] ? check_preemption_disabled+0x48/0x200 [ 430.736287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.741835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.746694] apic_timer_interrupt+0xf/0x20 [ 430.750923] [ 430.753170] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.758106] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 430.777010] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 430.784721] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.791989] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 430.799256] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 430.806532] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.813801] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 430.821124] skb_clone+0x1bb/0x500 [ 430.824671] ? skb_split+0x11e0/0x11e0 [ 430.828565] ? preempt_notifier_register+0x200/0x200 [ 430.833670] ? __switch_to_asm+0x34/0x70 [ 430.837729] ? __switch_to_asm+0x34/0x70 [ 430.841791] ? __switch_to_asm+0x40/0x70 [ 430.845850] ? __switch_to_asm+0x34/0x70 [ 430.849909] ? __switch_to_asm+0x40/0x70 [ 430.853970] ? __switch_to_asm+0x40/0x70 [ 430.858031] ? __switch_to_asm+0x34/0x70 [ 430.862094] ? __switch_to_asm+0x34/0x70 [ 430.866193] ? __switch_to_asm+0x40/0x70 [ 430.870263] ? __switch_to_asm+0x34/0x70 [ 430.874334] bpf_clone_redirect+0xb9/0x490 [ 430.878578] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 430.883602] ? __sched_text_start+0x8/0x8 [ 430.887754] ? retint_kernel+0x2d/0x2d [ 430.891665] ? find_held_lock+0x36/0x1c0 [ 430.895735] ? lock_acquire+0x1ed/0x520 [ 430.899712] ? bpf_test_run+0x32e/0x5a0 [ 430.903689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.909227] ? check_preemption_disabled+0x48/0x200 [ 430.914262] ? kasan_check_read+0x11/0x20 [ 430.918447] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.923730] ? rcu_bh_qs+0xc0/0xc0 [ 430.927290] ? preempt_schedule+0x4d/0x60 [ 430.931454] ? ___preempt_schedule+0x16/0x18 [ 430.935879] ? bpf_test_run+0x1c0/0x5a0 [ 430.939874] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.944293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.949836] ? bpf_test_init.isra.9+0x70/0x100 [ 430.954452] ? bpf_prog_test_run_skb+0x634/0xb40 [ 430.959216] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.964058] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.969594] ? fput+0x130/0x1a0 [ 430.972875] ? __bpf_prog_get+0x9b/0x290 [ 430.976941] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.981782] ? bpf_prog_test_run+0x130/0x1a0 [ 430.986221] ? __x64_sys_bpf+0x3d8/0x510 [ 430.990283] ? bpf_prog_get+0x20/0x20 [ 430.994109] ? do_syscall_64+0x1b9/0x820 [ 430.998176] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.003561] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.008490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.013344] ? trace_hardirqs_off+0x300/0x300 [ 431.017841] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.022859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.028397] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.033431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.038290] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.043674] warn_alloc_show_mem: 1 callbacks suppressed [ 431.043686] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 431.043700] Mem-Info: [ 431.043734] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 431.043734] active_file:18 inactive_file:31 isolated_file:0 [ 431.043734] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.043734] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 431.043734] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 431.043734] free:13670 free_pcp:352 free_cma:0 [ 431.049078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.055840] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 431.058244] Call Trace: [ 431.091291] Node 0 [ 431.100662] dump_stack+0x1c4/0x2b4 [ 431.128593] 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 [ 431.131159] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.133365] lowmem_reserve[]: 0 [ 431.137009] warn_alloc.cold.118+0xb7/0x1bd [ 431.162472] 2815 6318 [ 431.167670] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.170919] 6318 [ 431.175256] ? lock_downgrade+0x900/0x900 [ 431.177743] Node 0 [ 431.182593] ? trace_hardirqs_off+0xb8/0x300 [ 431.184653] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 431.188773] ? trace_hardirqs_off+0xb8/0x300 [ 431.190978] lowmem_reserve[]: 0 [ 431.195396] __alloc_pages_slowpath+0x2667/0x2d80 [ 431.222083] 0 3503 [ 431.226552] ? warn_alloc+0x120/0x120 [ 431.229752] 3503 [ 431.234620] ? warn_alloc+0x120/0x120 [ 431.240662] ? print_usage_bug+0xc0/0xc0 [ 431.242703] Node 0 [ 431.246498] ? warn_alloc+0x120/0x120 [ 431.250568] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:1360kB free_cma:0kB [ 431.252784] ? print_usage_bug+0xc0/0xc0 [ 431.256567] lowmem_reserve[]: 0 [ 431.285391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.289431] 0 [ 431.292708] ? should_fail+0x22d/0xd01 [ 431.298226] 0 [ 431.300024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.303890] 0 [ 431.305691] ? __lock_acquire+0x7ec/0x4ec0 [ 431.312569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.316779] Node 0 [ 431.321869] ? __lock_acquire+0x7ec/0x4ec0 [ 431.321879] DMA: [ 431.324107] ? should_fail+0x22d/0xd01 [ 431.324123] ? mark_held_locks+0x130/0x130 [ 431.328347] 1*4kB [ 431.330415] ? mark_held_locks+0x130/0x130 [ 431.334286] (U) [ 431.338515] ? mark_held_locks+0x130/0x130 [ 431.340663] 0*8kB [ 431.344901] ? graph_lock+0x170/0x170 [ 431.346849] 0*16kB 1*32kB [ 431.351092] ? ret_from_fork+0x3a/0x50 [ 431.353220] (U) [ 431.357018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.359840] 2*64kB [ 431.363725] ? check_preemption_disabled+0x48/0x200 [ 431.365680] (U) [ 431.371209] ? check_preemption_disabled+0x48/0x200 [ 431.373440] 1*128kB [ 431.378459] ? __lock_is_held+0xb5/0x140 [ 431.380411] (U) [ 431.385430] __alloc_pages_nodemask+0xa80/0xde0 [ 431.387734] 1*256kB [ 431.391811] ? graph_lock+0x170/0x170 [ 431.393763] (U) [ 431.398444] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.400747] 0*512kB [ 431.404543] ? graph_lock+0x170/0x170 [ 431.406501] 1*1024kB [ 431.411517] ? find_held_lock+0x36/0x1c0 [ 431.413816] (U) [ 431.417627] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.420005] 1*2048kB [ 431.424060] ? lock_downgrade+0x900/0x900 [ 431.426012] (M) [ 431.430681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.433064] 3*4096kB [ 431.437208] cache_grow_begin+0x91/0x8c0 [ 431.439162] (M) [ 431.444699] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.447088] = 15908kB [ 431.451147] fallback_alloc+0x203/0x2e0 [ 431.453101] Node 0 [ 431.457511] ____cache_alloc_node+0x1c7/0x1e0 [ 431.459904] DMA32: [ 431.463881] kmem_cache_alloc_node+0xe3/0x730 [ 431.466097] 4*4kB [ 431.470585] ? mark_held_locks+0xc7/0x130 [ 431.472799] (UM) [ 431.477301] __alloc_skb+0x119/0x770 [ 431.479429] 1*8kB [ 431.483580] ? skb_scrub_packet+0x490/0x490 [ 431.485620] (M) [ 431.489335] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 431.491464] 3*16kB [ 431.495787] ? queue_work_on+0x12c/0x1e0 [ 431.497741] (M) [ 431.502326] ? switchdev_port_obj_del+0xdc/0x450 [ 431.504540] 3*32kB [ 431.508599] ? switchdev_trans_item_enqueue+0x260/0x260 [ 431.510553] (M) [ 431.515332] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 431.517549] 1*64kB [ 431.522908] __br_mdb_notify+0x4ff/0x15d0 [ 431.524856] (M) [ 431.529887] ? __br_mdb_add+0x800/0x800 [ 431.532099] 3*128kB [ 431.536247] ? __lock_acquire+0x7ec/0x4ec0 [ 431.538193] (UM) 3*256kB [ 431.542173] ? ___ratelimit+0x36f/0x655 [ 431.544470] (UM) [ 431.548707] ? debug_object_init_on_stack+0x20/0x20 [ 431.551433] 4*512kB (UM) [ 431.555421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.557465] 3*1024kB [ 431.562478] br_mdb_notify+0x310/0x410 [ 431.565240] (M) [ 431.570770] ? br_mdb_dump+0x2530/0x2530 [ 431.573162] 3*2048kB [ 431.577056] br_multicast_del_pg+0x3df/0x790 [ 431.578997] (M) [ 431.583062] ? br_mdb_ip_get+0x940/0x940 [ 431.585451] 3*4096kB [ 431.589859] ? kasan_check_write+0x14/0x20 [ 431.591819] (M) [ 431.595903] ? do_raw_spin_lock+0xc1/0x200 [ 431.598281] = 24936kB [ 431.598290] Node 0 [ 431.602523] br_multicast_port_group_expired+0x189/0x1e0 [ 431.604505] Normal: [ 431.608739] call_timer_fn+0x272/0x920 [ 431.611123] 1267*4kB [ 431.613356] ? br_multicast_del_pg+0x790/0x790 [ 431.618779] (UMEH) [ 431.621109] ? process_timeout+0x40/0x40 [ 431.624974] 430*8kB [ 431.627377] ? find_held_lock+0x36/0x1c0 [ 431.631927] (UMEH) 212*16kB [ 431.634175] ? __run_timers+0x7da/0xc70 [ 431.638207] (UMEH) [ 431.640529] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.644573] 35*32kB [ 431.647586] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.651559] (MH) [ 431.653792] ? br_multicast_del_pg+0x790/0x790 [ 431.658258] 9*64kB (MH) [ 431.660609] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 431.665080] 1*128kB [ 431.667141] ? trace_hardirqs_on+0xbd/0x310 [ 431.671697] (H) [ 431.674406] ? kasan_check_read+0x11/0x20 [ 431.678993] 1*256kB [ 431.681312] ? __run_timers+0x7da/0xc70 [ 431.685633] (H) [ 431.687605] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.691726] 0*512kB 0*1024kB [ 431.694060] ? br_multicast_del_pg+0x790/0x790 [ 431.698009] 0*2048kB [ 431.699981] ? br_multicast_del_pg+0x790/0x790 [ 431.705413] 0*4096kB [ 431.708524] __run_timers+0x7e5/0xc70 [ 431.713082] = 13980kB [ 431.713097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.715520] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 431.720079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.722476] ? compat_start_thread+0x80/0x80 [ 431.726267] 4516 total pagecache pages [ 431.728674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.737494] 0 pages in swap cache [ 431.742848] ? _raw_spin_unlock_irq+0x60/0x80 [ 431.751395] Swap cache stats: add 0, delete 0, find 0/0 [ 431.751405] Free swap = 0kB [ 431.755813] ? finish_task_switch+0x1f5/0x900 [ 431.759677] Total swap = 0kB [ 431.765209] ? finish_task_switch+0x1b5/0x900 [ 431.768641] 1965979 pages RAM [ 431.773143] ? __switch_to_asm+0x34/0x70 [ 431.778483] 0 pages HighMem/MovableOnly [ 431.781498] ? preempt_notifier_register+0x200/0x200 [ 431.785969] 343324 pages reserved [ 431.788979] ? __switch_to_asm+0x34/0x70 [ 431.793453] 0 pages cma reserved [ 431.796558] ? __switch_to_asm+0x40/0x70 [ 431.800847] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.804601] ? __switch_to_asm+0x34/0x70 [ 431.809684] syz-executor1 cpuset= [ 431.813136] ? __switch_to_asm+0x40/0x70 [ 431.817178] syz1 [ 431.820536] ? __switch_to_asm+0x34/0x70 [ 431.820552] ? __switch_to_asm+0x40/0x70 [ 431.824604] mems_allowed=0 [ 431.835079] ? __switch_to_asm+0x40/0x70 [ 431.863729] ? pvclock_read_flags+0x160/0x160 [ 431.868231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.873768] ? check_preemption_disabled+0x48/0x200 [ 431.878797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.884079] ? rcu_pm_notify+0xc0/0xc0 [ 431.887969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.893509] ? check_preemption_disabled+0x48/0x200 [ 431.898536] run_timer_softirq+0x52/0xb0 [ 431.902599] ? rcu_read_lock_sched_held+0x108/0x120 [ 431.907619] __do_softirq+0x30b/0xad8 [ 431.911449] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 431.916573] ? trace_hardirqs_off_caller+0x300/0x300 [ 431.921687] ? retint_kernel+0x1b/0x2d [ 431.925590] ? schedule+0x108/0x460 [ 431.929222] ? __schedule+0x1ed0/0x1ed0 [ 431.933203] ? trace_hardirqs_off+0xb8/0x300 [ 431.937614] ? ___might_sleep+0x1ed/0x300 [ 431.941775] ? smpboot_thread_fn+0x68b/0xa00 [ 431.946187] ? trace_hardirqs_on+0x310/0x310 [ 431.950602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.956145] ? check_preemption_disabled+0x48/0x200 [ 431.961161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.966710] ? takeover_tasklets+0xa90/0xa90 [ 431.971128] run_ksoftirqd+0x94/0x100 [ 431.974951] smpboot_thread_fn+0x68b/0xa00 [ 431.979203] ? sort_range+0x30/0x30 [ 431.982850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.987960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.993528] ? __kthread_parkme+0xfb/0x1a0 [ 431.998270] kthread+0x35a/0x420 [ 432.001637] ? sort_range+0x30/0x30 [ 432.005286] ? kthread_bind+0x40/0x40 [ 432.009091] ret_from_fork+0x3a/0x50 [ 432.012831] Mem-Info: [ 432.012844] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 432.012856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.015300] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 432.015300] active_file:18 inactive_file:31 isolated_file:0 [ 432.015300] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.015300] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 432.015300] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 432.015300] free:13670 free_pcp:352 free_cma:0 [ 432.022560] Call Trace: [ 432.031953] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.064985] [ 432.067563] Node 0 [ 432.095512] dump_stack+0x1c4/0x2b4 [ 432.097653] 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 [ 432.099865] ? dump_stack_print_info.cold.2+0x52/0x52 [ 432.103467] lowmem_reserve[]: [ 432.129484] warn_alloc.cold.118+0xb7/0x1bd [ 432.134640] 0 [ 432.137753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.142043] 2815 6318 [ 432.143858] ? lock_downgrade+0x900/0x900 [ 432.148672] 6318 [ 432.151180] ? trace_hardirqs_off+0xb8/0x300 [ 432.155301] Node 0 [ 432.157364] ? trace_hardirqs_off+0xb8/0x300 [ 432.161770] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.163997] __alloc_pages_slowpath+0x2667/0x2d80 [ 432.168374] lowmem_reserve[]: [ 432.195130] ? warn_alloc+0x120/0x120 [ 432.199929] 0 [ 432.203040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.206810] 0 3503 [ 432.208616] ? warn_alloc+0x120/0x120 [ 432.213615] 3503 [ 432.215856] ? print_usage_bug+0xc0/0xc0 [ 432.221689] ? warn_alloc+0x120/0x120 [ 432.225726] Node 0 [ 432.229516] ? print_usage_bug+0xc0/0xc0 [ 432.229547] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 432.229555] lowmem_reserve[]: [ 432.231790] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.235823] 0 0 [ 432.264470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.267544] 0 [ 432.272732] ? should_fail+0x22d/0xd01 [ 432.274680] 0 [ 432.280214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.285882] ? __lock_acquire+0x7ec/0x4ec0 [ 432.287658] Node 0 [ 432.292770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.296981] DMA: [ 432.299216] ? should_fail+0x22d/0xd01 [ 432.304294] 1*4kB [ 432.306362] ? mark_held_locks+0x130/0x130 [ 432.310219] (U) [ 432.312364] ? mark_held_locks+0x130/0x130 [ 432.316582] 0*8kB [ 432.318555] ? print_usage_bug+0xc0/0xc0 [ 432.322767] 0*16kB 1*32kB [ 432.324931] ? find_held_lock+0x36/0x1c0 [ 432.328968] (U) 2*64kB [ 432.331823] ? graph_lock+0x170/0x170 [ 432.335855] (U) 1*128kB [ 432.338453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.342226] (U) [ 432.344894] ? check_preemption_disabled+0x48/0x200 [ 432.350404] 1*256kB (U) [ 432.352389] ? check_preemption_disabled+0x48/0x200 [ 432.357394] 0*512kB [ 432.360072] ? __lock_is_held+0xb5/0x140 [ 432.365054] 1*1024kB [ 432.367396] __alloc_pages_nodemask+0xa80/0xde0 [ 432.371435] (U) [ 432.373842] ? graph_lock+0x170/0x170 [ 432.378500] 1*2048kB [ 432.380477] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.384251] (M) [ 432.386659] ? graph_lock+0x170/0x170 [ 432.391657] 3*4096kB [ 432.393638] ? find_held_lock+0x36/0x1c0 [ 432.397409] (M) [ 432.399835] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.403876] = 15908kB [ 432.405851] ? lock_downgrade+0x900/0x900 [ 432.410500] Node 0 [ 432.412918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.417044] DMA32: [ 432.419282] cache_grow_begin+0x91/0x8c0 [ 432.424790] 4*4kB [ 432.427031] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.431065] (UM) [ 432.433216] fallback_alloc+0x203/0x2e0 [ 432.437608] 1*8kB [ 432.439669] ____cache_alloc_node+0x1c7/0x1e0 [ 432.443614] (M) [ 432.445765] kmem_cache_alloc_node+0xe3/0x730 [ 432.450227] 3*16kB (M) [ 432.452219] ? mark_held_locks+0xc7/0x130 [ 432.456681] 3*32kB (M) [ 432.459281] __alloc_skb+0x119/0x770 [ 432.463395] 1*64kB [ 432.465976] ? skb_scrub_packet+0x490/0x490 [ 432.469664] (M) [ 432.471905] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 432.476203] 3*128kB [ 432.478181] ? queue_work_on+0x12c/0x1e0 [ 432.482732] (UM) [ 432.485054] ? switchdev_port_obj_del+0xdc/0x450 [ 432.489084] 3*256kB (UM) [ 432.491159] ? switchdev_trans_item_enqueue+0x260/0x260 [ 432.495896] 4*512kB [ 432.498667] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.504009] (UM) [ 432.506344] __br_mdb_notify+0x4ff/0x15d0 [ 432.511349] 3*1024kB (M) [ 432.513429] ? __br_mdb_add+0x800/0x800 [ 432.517533] 3*2048kB (M) [ 432.520302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.524240] 3*4096kB (M) [ 432.527007] ? __lock_acquire+0x7ec/0x4ec0 [ 432.532517] = 24936kB [ 432.535280] ? kasan_check_read+0x11/0x20 [ 432.539541] Node 0 [ 432.541958] ? debug_object_init_on_stack+0x20/0x20 [ 432.546080] Normal: [ 432.548327] ? graph_lock+0x170/0x170 [ 432.553334] 1267*4kB [ 432.555658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.559433] (UMEH) [ 432.561845] br_mdb_notify+0x310/0x410 [ 432.567358] 430*8kB [ 432.569589] ? br_mdb_dump+0x2530/0x2530 [ 432.573456] (UMEH) [ 432.575786] br_multicast_del_pg+0x3df/0x790 [ 432.579813] 212*16kB [ 432.582047] ? br_mdb_ip_get+0x940/0x940 [ 432.586430] (UMEH) [ 432.588842] ? kasan_check_write+0x14/0x20 [ 432.592879] 35*32kB [ 432.595117] ? do_raw_spin_lock+0xc1/0x200 [ 432.599326] (MH) 9*64kB [ 432.601659] br_multicast_port_group_expired+0x189/0x1e0 [ 432.605861] (MH) 1*128kB [ 432.608547] call_timer_fn+0x272/0x920 [ 432.614226] (H) [ 432.616993] ? br_multicast_del_pg+0x790/0x790 [ 432.620854] 1*256kB (H) [ 432.622841] ? process_timeout+0x40/0x40 [ 432.627397] 0*512kB [ 432.630067] ? find_held_lock+0x36/0x1c0 [ 432.634105] 0*1024kB [ 432.636464] ? __run_timers+0x7da/0xc70 [ 432.640493] 0*2048kB [ 432.642901] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.646850] 0*4096kB [ 432.649274] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.653749] = 13980kB [ 432.656157] ? br_multicast_del_pg+0x790/0x790 [ 432.660634] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.663036] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 432.667600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.676439] ? trace_hardirqs_on+0xbd/0x310 [ 432.680993] 4516 total pagecache pages [ 432.689572] ? kasan_check_read+0x11/0x20 [ 432.693893] 0 pages in swap cache [ 432.697769] ? __run_timers+0x7da/0xc70 [ 432.701892] Swap cache stats: add 0, delete 0, find 0/0 [ 432.701901] Free swap = 0kB [ 432.705352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.709301] Total swap = 0kB [ 432.714672] ? br_multicast_del_pg+0x790/0x790 [ 432.717670] 1965979 pages RAM [ 432.723115] ? br_multicast_del_pg+0x790/0x790 [ 432.726115] 0 pages HighMem/MovableOnly [ 432.730695] __run_timers+0x7e5/0xc70 [ 432.733768] 343324 pages reserved [ 432.733777] 0 pages cma reserved [ 432.738370] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.742550] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.746112] ? check_preemption_disabled+0x48/0x200 [ 432.749543] ksoftirqd/0 cpuset= [ 432.752914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.758257] / [ 432.768574] ? rcu_irq_exit+0xce/0x100 [ 432.773564] mems_allowed=0 [ 432.776842] ? irq_exit+0xbd/0x1c0 [ 432.794375] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 432.799401] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.804170] ? retint_kernel+0x2d/0x2d [ 432.808065] ? trace_hardirqs_on_caller+0xc0/0x300 [ 432.813002] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.817759] ? trace_hardirqs_off_caller+0x300/0x300 [ 432.822869] ? graph_lock+0x170/0x170 [ 432.826679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.832236] ? check_preemption_disabled+0x48/0x200 [ 432.837265] ? __lock_is_held+0xb5/0x140 [ 432.841326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.846877] ? check_preemption_disabled+0x48/0x200 [ 432.851904] run_timer_softirq+0x52/0xb0 [ 432.855970] ? rcu_read_lock_sched_held+0x108/0x120 [ 432.860996] __do_softirq+0x30b/0xad8 [ 432.864812] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.869925] ? pvclock_read_flags+0x160/0x160 [ 432.874461] ? lapic_next_event+0x5a/0x90 [ 432.878609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.884145] ? check_preemption_disabled+0x48/0x200 [ 432.889164] ? check_preemption_disabled+0x48/0x200 [ 432.894194] ? kvm_clock_read+0x18/0x30 [ 432.898168] ? kvm_sched_clock_read+0x9/0x20 [ 432.902585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.908124] ? check_preemption_disabled+0x48/0x200 [ 432.913154] irq_exit+0x17f/0x1c0 [ 432.916619] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.921463] ? smp_reschedule_interrupt+0x109/0x650 [ 432.926489] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.932379] ? interrupt_entry+0xb5/0xf0 [ 432.936449] ? trace_hardirqs_off_caller+0xbb/0x300 [ 432.941490] ? trace_hardirqs_off_caller+0xbb/0x300 [ 432.946545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.951390] ? trace_hardirqs_off+0x300/0x300 [ 432.955888] ? trace_hardirqs_off+0x300/0x300 [ 432.960388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.965936] ? check_preemption_disabled+0x48/0x200 [ 432.970954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.976504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.981365] apic_timer_interrupt+0xf/0x20 [ 432.985605] [ 432.987853] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.992798] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 433.011706] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 433.019415] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.026685] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 433.033955] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 433.041224] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.048491] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 433.055820] skb_clone+0x1bb/0x500 [ 433.059375] ? skb_split+0x11e0/0x11e0 [ 433.063284] ? preempt_notifier_register+0x200/0x200 [ 433.068387] ? __switch_to_asm+0x34/0x70 [ 433.072455] ? __switch_to_asm+0x34/0x70 [ 433.076516] ? __switch_to_asm+0x40/0x70 [ 433.080583] ? __switch_to_asm+0x34/0x70 [ 433.084641] ? __switch_to_asm+0x40/0x70 [ 433.088705] ? __switch_to_asm+0x40/0x70 [ 433.092768] ? __switch_to_asm+0x34/0x70 [ 433.096828] ? __switch_to_asm+0x34/0x70 [ 433.100887] ? __switch_to_asm+0x40/0x70 [ 433.104946] ? __switch_to_asm+0x34/0x70 [ 433.109046] bpf_clone_redirect+0xb9/0x490 [ 433.113297] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 433.118323] ? __sched_text_start+0x8/0x8 [ 433.122472] ? retint_kernel+0x2d/0x2d [ 433.126368] ? find_held_lock+0x36/0x1c0 [ 433.130449] ? lock_acquire+0x1ed/0x520 [ 433.134433] ? bpf_test_run+0x32e/0x5a0 [ 433.138412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.143962] ? check_preemption_disabled+0x48/0x200 [ 433.148987] ? kasan_check_read+0x11/0x20 [ 433.153139] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.158420] ? rcu_bh_qs+0xc0/0xc0 [ 433.161974] ? preempt_schedule+0x4d/0x60 [ 433.166128] ? ___preempt_schedule+0x16/0x18 [ 433.170556] ? bpf_test_run+0x1c0/0x5a0 [ 433.174555] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.178969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.184506] ? bpf_test_init.isra.9+0x70/0x100 [ 433.189100] ? bpf_prog_test_run_skb+0x634/0xb40 [ 433.193864] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 433.198706] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.204256] ? fput+0x130/0x1a0 [ 433.207552] ? __bpf_prog_get+0x9b/0x290 [ 433.211619] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 433.216462] ? bpf_prog_test_run+0x130/0x1a0 [ 433.220881] ? __x64_sys_bpf+0x3d8/0x510 [ 433.224946] ? bpf_prog_get+0x20/0x20 [ 433.228774] ? do_syscall_64+0x1b9/0x820 [ 433.232841] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.238212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.243165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.248012] ? trace_hardirqs_off+0x300/0x300 [ 433.252510] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.257551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.263103] ? prepare_exit_to_usermode+0x291/0x3b0 [ 433.268127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.272982] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.278380] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 433.278577] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.285143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.285152] Call Trace: [ 433.295626] syz-executor1 cpuset= [ 433.304979] dump_stack+0x1c4/0x2b4 [ 433.307546] syz1 [ 433.310996] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.314606] mems_allowed=0 [ 433.316588] warn_alloc.cold.118+0xb7/0x1bd [ 433.328990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.333853] ? lock_downgrade+0x900/0x900 [ 433.338018] ? trace_hardirqs_off+0xb8/0x300 [ 433.342439] ? trace_hardirqs_off+0xb8/0x300 [ 433.346875] __alloc_pages_slowpath+0x2667/0x2d80 [ 433.351778] ? warn_alloc+0x120/0x120 [ 433.355591] ? warn_alloc+0x120/0x120 [ 433.359394] ? print_usage_bug+0xc0/0xc0 [ 433.363460] ? warn_alloc+0x120/0x120 [ 433.367262] ? print_usage_bug+0xc0/0xc0 [ 433.371338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.376882] ? should_fail+0x22d/0xd01 [ 433.380809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.385913] ? __lock_acquire+0x7ec/0x4ec0 [ 433.390192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.395294] ? __lock_acquire+0x7ec/0x4ec0 [ 433.399528] ? should_fail+0x22d/0xd01 [ 433.403418] ? mark_held_locks+0x130/0x130 [ 433.407666] ? mark_held_locks+0x130/0x130 [ 433.411906] ? mark_held_locks+0x130/0x130 [ 433.416155] ? graph_lock+0x170/0x170 [ 433.419963] ? ret_from_fork+0x3a/0x50 [ 433.423859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.429399] ? check_preemption_disabled+0x48/0x200 [ 433.434425] ? check_preemption_disabled+0x48/0x200 [ 433.439469] ? __lock_is_held+0xb5/0x140 [ 433.443555] __alloc_pages_nodemask+0xa80/0xde0 [ 433.448230] ? graph_lock+0x170/0x170 [ 433.452036] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.457049] ? graph_lock+0x170/0x170 [ 433.460869] ? find_held_lock+0x36/0x1c0 [ 433.464956] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.469630] ? lock_downgrade+0x900/0x900 [ 433.473787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.479335] cache_grow_begin+0x91/0x8c0 [ 433.483397] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.487817] fallback_alloc+0x203/0x2e0 [ 433.491802] ____cache_alloc_node+0x1c7/0x1e0 [ 433.496303] kmem_cache_alloc_node+0xe3/0x730 [ 433.500797] ? mark_held_locks+0xc7/0x130 [ 433.504960] __alloc_skb+0x119/0x770 [ 433.508682] ? skb_scrub_packet+0x490/0x490 [ 433.513006] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 433.517595] ? queue_work_on+0x12c/0x1e0 [ 433.521722] ? switchdev_port_obj_del+0xdc/0x450 [ 433.526480] ? switchdev_trans_item_enqueue+0x260/0x260 [ 433.531852] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.536900] __br_mdb_notify+0x4ff/0x15d0 [ 433.541064] ? __br_mdb_add+0x800/0x800 [ 433.545045] ? __lock_acquire+0x7ec/0x4ec0 [ 433.549287] ? ___ratelimit+0x36f/0x655 [ 433.553274] ? debug_object_init_on_stack+0x20/0x20 [ 433.558301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.563878] br_mdb_notify+0x310/0x410 [ 433.567768] ? br_mdb_dump+0x2530/0x2530 [ 433.571848] br_multicast_del_pg+0x3df/0x790 [ 433.576266] ? br_mdb_ip_get+0x940/0x940 [ 433.580337] ? kasan_check_write+0x14/0x20 [ 433.584581] ? do_raw_spin_lock+0xc1/0x200 [ 433.588824] br_multicast_port_group_expired+0x189/0x1e0 [ 433.594284] call_timer_fn+0x272/0x920 [ 433.598173] ? br_multicast_del_pg+0x790/0x790 [ 433.602760] ? process_timeout+0x40/0x40 [ 433.606819] ? find_held_lock+0x36/0x1c0 [ 433.610893] ? __run_timers+0x7da/0xc70 [ 433.614880] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.619374] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.623868] ? br_multicast_del_pg+0x790/0x790 [ 433.628457] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 433.633044] ? trace_hardirqs_on+0xbd/0x310 [ 433.637363] ? kasan_check_read+0x11/0x20 [ 433.641512] ? __run_timers+0x7da/0xc70 [ 433.645493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.650959] ? br_multicast_del_pg+0x790/0x790 [ 433.655547] ? br_multicast_del_pg+0x790/0x790 [ 433.660132] __run_timers+0x7e5/0xc70 [ 433.663957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 433.669334] ? compat_start_thread+0x80/0x80 [ 433.673751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.679295] ? _raw_spin_unlock_irq+0x60/0x80 [ 433.683794] ? finish_task_switch+0x1f5/0x900 [ 433.688291] ? finish_task_switch+0x1b5/0x900 [ 433.692874] ? __switch_to_asm+0x34/0x70 [ 433.696948] ? preempt_notifier_register+0x200/0x200 [ 433.702052] ? __switch_to_asm+0x34/0x70 [ 433.706111] ? __switch_to_asm+0x40/0x70 [ 433.710173] ? __switch_to_asm+0x34/0x70 [ 433.714233] ? __switch_to_asm+0x40/0x70 [ 433.718294] ? __switch_to_asm+0x34/0x70 [ 433.722355] ? __switch_to_asm+0x40/0x70 [ 433.726419] ? __switch_to_asm+0x40/0x70 [ 433.730490] ? pvclock_read_flags+0x160/0x160 [ 433.734985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.740521] ? check_preemption_disabled+0x48/0x200 [ 433.745567] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.750845] ? rcu_pm_notify+0xc0/0xc0 [ 433.754738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.760280] ? check_preemption_disabled+0x48/0x200 [ 433.765306] run_timer_softirq+0x52/0xb0 [ 433.769373] ? rcu_read_lock_sched_held+0x108/0x120 [ 433.774391] __do_softirq+0x30b/0xad8 [ 433.778203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 433.783310] ? trace_hardirqs_off_caller+0x300/0x300 [ 433.788415] ? retint_kernel+0x1b/0x2d [ 433.792329] ? schedule+0x108/0x460 [ 433.795959] ? __schedule+0x1ed0/0x1ed0 [ 433.799964] ? trace_hardirqs_off+0xb8/0x300 [ 433.804373] ? ___might_sleep+0x1ed/0x300 [ 433.808528] ? smpboot_thread_fn+0x68b/0xa00 [ 433.812951] ? trace_hardirqs_on+0x310/0x310 [ 433.817366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.822937] ? check_preemption_disabled+0x48/0x200 [ 433.827956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.833502] ? takeover_tasklets+0xa90/0xa90 [ 433.837916] run_ksoftirqd+0x94/0x100 [ 433.841722] smpboot_thread_fn+0x68b/0xa00 [ 433.845965] ? sort_range+0x30/0x30 [ 433.849595] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.854701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.860268] ? __kthread_parkme+0xfb/0x1a0 [ 433.864523] kthread+0x35a/0x420 [ 433.867894] ? sort_range+0x30/0x30 [ 433.871554] ? kthread_bind+0x40/0x40 [ 433.875357] ret_from_fork+0x3a/0x50 [ 433.879140] warn_alloc_show_mem: 1 callbacks suppressed [ 433.879153] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 433.879156] Mem-Info: [ 433.879191] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 433.879191] active_file:18 inactive_file:31 isolated_file:0 [ 433.879191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.879191] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 433.879191] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 433.879191] free:13670 free_pcp:352 free_cma:0 [ 433.884541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.891819] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.894217] Call Trace: [ 433.927252] 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 [ 433.936621] [ 433.964533] lowmem_reserve[]: 0 [ 433.967132] dump_stack+0x1c4/0x2b4 [ 433.993200] 2815 6318 [ 433.995365] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.999106] 6318 [ 434.002755] warn_alloc.cold.118+0xb7/0x1bd [ 434.005218] Node 0 [ 434.010404] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.012467] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 434.016765] ? lock_downgrade+0x900/0x900 [ 434.018976] lowmem_reserve[]: 0 [ 434.023828] ? trace_hardirqs_off+0xb8/0x300 [ 434.050535] 0 3503 [ 434.054708] ? trace_hardirqs_off+0xb8/0x300 [ 434.057956] 3503 [ 434.062367] __alloc_pages_slowpath+0x2667/0x2d80 [ 434.069007] ? warn_alloc+0x120/0x120 [ 434.071045] Node 0 [ 434.075888] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.079691] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 434.081900] ? warn_alloc+0x120/0x120 [ 434.086896] lowmem_reserve[]: [ 434.116041] ? print_usage_bug+0xc0/0xc0 [ 434.123813] 0 [ 434.126921] ? warn_alloc+0x120/0x120 [ 434.130961] 0 [ 434.132757] ? print_usage_bug+0xc0/0xc0 [ 434.136523] 0 0 [ 434.138346] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.142384] Node 0 [ 434.144362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.149521] DMA: [ 434.151777] ? should_fail+0x22d/0xd01 [ 434.157287] 1*4kB [ 434.159348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.163214] (U) [ 434.165358] ? __lock_acquire+0x7ec/0x4ec0 [ 434.170431] 0*8kB 0*16kB [ 434.172416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.176628] 1*32kB [ 434.179382] ? should_fail+0x22d/0xd01 [ 434.185316] (U) [ 434.187568] ? mark_held_locks+0x130/0x130 [ 434.191437] 2*64kB [ 434.193409] ? mark_held_locks+0x130/0x130 [ 434.197668] (U) [ 434.199899] ? print_usage_bug+0xc0/0xc0 [ 434.204108] 1*128kB (U) [ 434.206096] ? find_held_lock+0x36/0x1c0 [ 434.210136] 1*256kB [ 434.212800] ? graph_lock+0x170/0x170 [ 434.216837] (U) [ 434.219162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.222940] 0*512kB [ 434.224917] ? check_preemption_disabled+0x48/0x200 [ 434.230430] 1*1024kB (U) [ 434.232762] ? check_preemption_disabled+0x48/0x200 [ 434.237755] 1*2048kB [ 434.240530] ? __lock_is_held+0xb5/0x140 [ 434.245541] (M) [ 434.247952] __alloc_pages_nodemask+0xa80/0xde0 [ 434.251989] 3*4096kB [ 434.253964] ? graph_lock+0x170/0x170 [ 434.258614] (M) [ 434.261020] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.264796] = 15908kB [ 434.266796] ? graph_lock+0x170/0x170 [ 434.271791] Node 0 [ 434.274202] ? find_held_lock+0x36/0x1c0 [ 434.277973] DMA32: [ 434.280214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.284249] 4*4kB [ 434.286481] ? lock_downgrade+0x900/0x900 [ 434.291122] (UM) 1*8kB [ 434.293307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.297443] (M) [ 434.300027] cache_grow_begin+0x91/0x8c0 [ 434.305546] 3*16kB [ 434.307520] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.311567] (M) [ 434.313810] fallback_alloc+0x203/0x2e0 [ 434.318195] 3*32kB [ 434.320169] ____cache_alloc_node+0x1c7/0x1e0 [ 434.324121] (M) [ 434.326380] kmem_cache_alloc_node+0xe3/0x730 [ 434.330851] 1*64kB [ 434.332824] ? mark_held_locks+0xc7/0x130 [ 434.337294] (M) [ 434.339537] __alloc_skb+0x119/0x770 [ 434.343659] 3*128kB (UM) [ 434.345644] ? skb_scrub_packet+0x490/0x490 [ 434.349327] 3*256kB (UM) [ 434.352098] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 434.356389] 4*512kB (UM) [ 434.359159] ? queue_work_on+0x12c/0x1e0 [ 434.363715] 3*1024kB [ 434.366498] ? switchdev_port_obj_del+0xdc/0x450 [ 434.370540] (M) [ 434.372952] ? switchdev_trans_item_enqueue+0x260/0x260 [ 434.377688] 3*2048kB [ 434.379662] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.384998] (M) [ 434.387414] __br_mdb_notify+0x4ff/0x15d0 [ 434.392396] 3*4096kB (M) [ 434.394385] ? __br_mdb_add+0x800/0x800 [ 434.398526] = 24936kB [ 434.398548] Node 0 [ 434.401307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.405255] Normal: [ 434.407667] ? __lock_acquire+0x7ec/0x4ec0 [ 434.409883] 1267*4kB [ 434.415435] ? kasan_check_read+0x11/0x20 [ 434.417732] (UMEH) [ 434.421968] ? debug_object_init_on_stack+0x20/0x20 [ 434.424353] 430*8kB [ 434.428520] ? graph_lock+0x170/0x170 [ 434.430744] (UMEH) [ 434.435756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.438083] 212*16kB [ 434.441891] br_mdb_notify+0x310/0x410 [ 434.444101] (UMEH) [ 434.449632] ? br_mdb_dump+0x2530/0x2530 [ 434.452015] 35*32kB (MH) [ 434.455922] br_multicast_del_pg+0x3df/0x790 [ 434.458128] 9*64kB (MH) [ 434.462194] ? br_mdb_ip_get+0x940/0x940 [ 434.464933] 1*128kB [ 434.469339] ? kasan_check_write+0x14/0x20 [ 434.471981] (H) [ 434.476043] ? do_raw_spin_lock+0xc1/0x200 [ 434.478341] 1*256kB [ 434.482572] br_multicast_port_group_expired+0x189/0x1e0 [ 434.484530] (H) [ 434.488763] call_timer_fn+0x272/0x920 [ 434.491065] 0*512kB [ 434.496508] ? br_multicast_del_pg+0x790/0x790 [ 434.498472] 0*1024kB [ 434.502368] ? process_timeout+0x40/0x40 [ 434.504674] 0*2048kB [ 434.509253] ? find_held_lock+0x36/0x1c0 [ 434.511643] 0*4096kB [ 434.515702] ? __run_timers+0x7da/0xc70 [ 434.518079] = 13980kB [ 434.518094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.522146] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.524549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.528549] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.530955] 4516 total pagecache pages [ 434.539784] ? br_multicast_del_pg+0x790/0x790 [ 434.544276] 0 pages in swap cache [ 434.552855] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 434.557332] Swap cache stats: add 0, delete 0, find 0/0 [ 434.561234] ? trace_hardirqs_on+0xbd/0x310 [ 434.565787] Free swap = 0kB [ 434.569233] ? kasan_check_read+0x11/0x20 [ 434.573797] Total swap = 0kB [ 434.579155] ? __run_timers+0x7da/0xc70 [ 434.583456] 1965979 pages RAM [ 434.586474] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.590595] 0 pages HighMem/MovableOnly [ 434.593609] ? br_multicast_del_pg+0x790/0x790 [ 434.597565] 343324 pages reserved [ 434.597574] 0 pages cma reserved [ 434.600676] ? br_multicast_del_pg+0x790/0x790 [ 434.606290] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.610073] __run_timers+0x7e5/0xc70 [ 434.614633] ksoftirqd/0 cpuset= [ 434.618090] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 434.621431] / [ 434.626001] ? check_preemption_disabled+0x48/0x200 [ 434.626021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.636311] mems_allowed=0 [ 434.640119] ? rcu_irq_exit+0xce/0x100 [ 434.667767] ? irq_exit+0xbd/0x1c0 [ 434.671316] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 434.676338] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.681108] ? retint_kernel+0x2d/0x2d [ 434.685002] ? trace_hardirqs_on_caller+0xc0/0x300 [ 434.689939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.694700] ? trace_hardirqs_off_caller+0x300/0x300 [ 434.699813] ? graph_lock+0x170/0x170 [ 434.703619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.709158] ? check_preemption_disabled+0x48/0x200 [ 434.714202] ? __lock_is_held+0xb5/0x140 [ 434.718269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.723808] ? check_preemption_disabled+0x48/0x200 [ 434.728835] run_timer_softirq+0x52/0xb0 [ 434.732899] ? rcu_read_lock_sched_held+0x108/0x120 [ 434.737930] __do_softirq+0x30b/0xad8 [ 434.741752] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 434.746868] ? pvclock_read_flags+0x160/0x160 [ 434.751366] ? lapic_next_event+0x5a/0x90 [ 434.755517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.761056] ? check_preemption_disabled+0x48/0x200 [ 434.766073] ? check_preemption_disabled+0x48/0x200 [ 434.771100] ? kvm_clock_read+0x18/0x30 [ 434.775079] ? kvm_sched_clock_read+0x9/0x20 [ 434.779502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.785037] ? check_preemption_disabled+0x48/0x200 [ 434.790072] irq_exit+0x17f/0x1c0 [ 434.793532] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.798382] ? smp_reschedule_interrupt+0x109/0x650 [ 434.803404] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.809301] ? interrupt_entry+0xb5/0xf0 [ 434.813369] ? trace_hardirqs_off_caller+0xbb/0x300 [ 434.818401] ? trace_hardirqs_off_caller+0xbb/0x300 [ 434.823430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.828288] ? trace_hardirqs_off+0x300/0x300 [ 434.832780] ? trace_hardirqs_off+0x300/0x300 [ 434.837281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.842823] ? check_preemption_disabled+0x48/0x200 [ 434.847841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.853397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.858288] apic_timer_interrupt+0xf/0x20 [ 434.862521] [ 434.864767] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 434.869704] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 434.888615] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 434.896347] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 434.903617] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 434.910887] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 434.918153] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 434.925420] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 434.932742] skb_clone+0x1bb/0x500 [ 434.936312] ? skb_split+0x11e0/0x11e0 [ 434.940216] ? preempt_notifier_register+0x200/0x200 [ 434.945321] ? __switch_to_asm+0x34/0x70 [ 434.949382] ? __switch_to_asm+0x34/0x70 [ 434.953465] ? __switch_to_asm+0x40/0x70 [ 434.957521] ? __switch_to_asm+0x34/0x70 [ 434.961577] ? __switch_to_asm+0x40/0x70 [ 434.965638] ? __switch_to_asm+0x40/0x70 [ 434.969698] ? __switch_to_asm+0x34/0x70 [ 434.973760] ? __switch_to_asm+0x34/0x70 [ 434.977819] ? __switch_to_asm+0x40/0x70 [ 434.981882] ? __switch_to_asm+0x34/0x70 [ 434.985955] bpf_clone_redirect+0xb9/0x490 [ 434.990205] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 434.995229] ? __sched_text_start+0x8/0x8 [ 434.999386] ? retint_kernel+0x2d/0x2d [ 435.003316] ? find_held_lock+0x36/0x1c0 [ 435.007390] ? lock_acquire+0x1ed/0x520 [ 435.011383] ? bpf_test_run+0x32e/0x5a0 [ 435.015381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.020925] ? check_preemption_disabled+0x48/0x200 [ 435.025950] ? kasan_check_read+0x11/0x20 [ 435.030103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.035385] ? rcu_bh_qs+0xc0/0xc0 [ 435.038948] ? preempt_schedule+0x4d/0x60 [ 435.043098] ? ___preempt_schedule+0x16/0x18 [ 435.047527] ? bpf_test_run+0x1c0/0x5a0 [ 435.051518] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.055938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.061476] ? bpf_test_init.isra.9+0x70/0x100 [ 435.066064] ? bpf_prog_test_run_skb+0x634/0xb40 [ 435.070832] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 435.075680] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.081221] ? fput+0x130/0x1a0 [ 435.084505] ? __bpf_prog_get+0x9b/0x290 [ 435.088570] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 435.093411] ? bpf_prog_test_run+0x130/0x1a0 [ 435.097830] ? __x64_sys_bpf+0x3d8/0x510 [ 435.101892] ? bpf_prog_get+0x20/0x20 [ 435.105724] ? do_syscall_64+0x1b9/0x820 [ 435.109792] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.115158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.120090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.124941] ? trace_hardirqs_off+0x300/0x300 [ 435.129445] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.134467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.140007] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.145038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.149894] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.155288] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 435.155529] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.162057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.172536] syz-executor1 cpuset= [ 435.181879] Call Trace: [ 435.181883] syz1 mems_allowed=0 [ 435.185360] dump_stack+0x1c4/0x2b4 [ 435.194818] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.200030] warn_alloc.cold.118+0xb7/0x1bd [ 435.204355] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.209209] ? lock_downgrade+0x900/0x900 [ 435.213384] ? trace_hardirqs_off+0xb8/0x300 [ 435.217803] ? trace_hardirqs_off+0xb8/0x300 [ 435.222221] __alloc_pages_slowpath+0x2667/0x2d80 [ 435.227098] ? warn_alloc+0x120/0x120 [ 435.230905] ? warn_alloc+0x120/0x120 [ 435.234715] ? print_usage_bug+0xc0/0xc0 [ 435.238788] ? warn_alloc+0x120/0x120 [ 435.242591] ? print_usage_bug+0xc0/0xc0 [ 435.246669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.252211] ? should_fail+0x22d/0xd01 [ 435.256104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.261206] ? __lock_acquire+0x7ec/0x4ec0 [ 435.265450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.270559] ? __lock_acquire+0x7ec/0x4ec0 [ 435.274791] ? should_fail+0x22d/0xd01 [ 435.278677] ? mark_held_locks+0x130/0x130 [ 435.282920] ? mark_held_locks+0x130/0x130 [ 435.287172] ? mark_held_locks+0x130/0x130 [ 435.291418] ? graph_lock+0x170/0x170 [ 435.295223] ? ret_from_fork+0x3a/0x50 [ 435.299118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.304656] ? check_preemption_disabled+0x48/0x200 [ 435.309671] ? check_preemption_disabled+0x48/0x200 [ 435.314699] ? __lock_is_held+0xb5/0x140 [ 435.318780] __alloc_pages_nodemask+0xa80/0xde0 [ 435.323456] ? graph_lock+0x170/0x170 [ 435.327267] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.332283] ? graph_lock+0x170/0x170 [ 435.336098] ? find_held_lock+0x36/0x1c0 [ 435.340176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.344851] ? lock_downgrade+0x900/0x900 [ 435.349019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.354571] cache_grow_begin+0x91/0x8c0 [ 435.358636] ? do_raw_spin_unlock+0xa7/0x2f0 [ 435.363052] fallback_alloc+0x203/0x2e0 [ 435.367040] ____cache_alloc_node+0x1c7/0x1e0 [ 435.371548] kmem_cache_alloc_node+0xe3/0x730 [ 435.376043] ? mark_held_locks+0xc7/0x130 [ 435.380206] __alloc_skb+0x119/0x770 [ 435.383930] ? skb_scrub_packet+0x490/0x490 [ 435.388253] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 435.392856] ? queue_work_on+0x12c/0x1e0 [ 435.396929] ? switchdev_port_obj_del+0xdc/0x450 [ 435.401688] ? switchdev_trans_item_enqueue+0x260/0x260 [ 435.407063] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.412094] __br_mdb_notify+0x4ff/0x15d0 [ 435.416272] ? __br_mdb_add+0x800/0x800 [ 435.420256] ? __lock_acquire+0x7ec/0x4ec0 [ 435.424496] ? ___ratelimit+0x36f/0x655 [ 435.428489] ? debug_object_init_on_stack+0x20/0x20 [ 435.433512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.439066] br_mdb_notify+0x310/0x410 [ 435.442967] ? br_mdb_dump+0x2530/0x2530 [ 435.447053] br_multicast_del_pg+0x3df/0x790 [ 435.451471] ? br_mdb_ip_get+0x940/0x940 [ 435.455545] ? kasan_check_write+0x14/0x20 [ 435.459783] ? do_raw_spin_lock+0xc1/0x200 [ 435.464026] br_multicast_port_group_expired+0x189/0x1e0 [ 435.469484] call_timer_fn+0x272/0x920 [ 435.473374] ? br_multicast_del_pg+0x790/0x790 [ 435.477964] ? process_timeout+0x40/0x40 [ 435.482023] ? find_held_lock+0x36/0x1c0 [ 435.486099] ? __run_timers+0x7da/0xc70 [ 435.490080] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.494575] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.499071] ? br_multicast_del_pg+0x790/0x790 [ 435.503653] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 435.508244] ? trace_hardirqs_on+0xbd/0x310 [ 435.512580] ? kasan_check_read+0x11/0x20 [ 435.516730] ? __run_timers+0x7da/0xc70 [ 435.520711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.526169] ? br_multicast_del_pg+0x790/0x790 [ 435.530757] ? br_multicast_del_pg+0x790/0x790 [ 435.535373] __run_timers+0x7e5/0xc70 [ 435.539191] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 435.544562] ? compat_start_thread+0x80/0x80 [ 435.548984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.554538] ? _raw_spin_unlock_irq+0x60/0x80 [ 435.559045] ? finish_task_switch+0x1f5/0x900 [ 435.563545] ? finish_task_switch+0x1b5/0x900 [ 435.568039] ? __switch_to_asm+0x34/0x70 [ 435.572131] ? preempt_notifier_register+0x200/0x200 [ 435.577242] ? __switch_to_asm+0x34/0x70 [ 435.581330] ? __switch_to_asm+0x40/0x70 [ 435.585393] ? __switch_to_asm+0x34/0x70 [ 435.589454] ? __switch_to_asm+0x40/0x70 [ 435.593516] ? __switch_to_asm+0x34/0x70 [ 435.597587] ? __switch_to_asm+0x40/0x70 [ 435.601646] ? __switch_to_asm+0x40/0x70 [ 435.605721] ? pvclock_read_flags+0x160/0x160 [ 435.610224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.615766] ? check_preemption_disabled+0x48/0x200 [ 435.620795] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.626080] ? rcu_pm_notify+0xc0/0xc0 [ 435.629990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.635535] ? check_preemption_disabled+0x48/0x200 [ 435.640573] run_timer_softirq+0x52/0xb0 [ 435.644640] ? rcu_read_lock_sched_held+0x108/0x120 [ 435.649665] __do_softirq+0x30b/0xad8 [ 435.653482] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 435.658586] ? trace_hardirqs_off_caller+0x300/0x300 [ 435.663689] ? retint_kernel+0x1b/0x2d [ 435.667587] ? schedule+0x108/0x460 [ 435.671226] ? __schedule+0x1ed0/0x1ed0 [ 435.675206] ? trace_hardirqs_off+0xb8/0x300 [ 435.679617] ? ___might_sleep+0x1ed/0x300 [ 435.683770] ? smpboot_thread_fn+0x68b/0xa00 [ 435.688182] ? trace_hardirqs_on+0x310/0x310 [ 435.692596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.698138] ? check_preemption_disabled+0x48/0x200 [ 435.703154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.708698] ? takeover_tasklets+0xa90/0xa90 [ 435.713111] run_ksoftirqd+0x94/0x100 [ 435.716915] smpboot_thread_fn+0x68b/0xa00 [ 435.721161] ? sort_range+0x30/0x30 [ 435.724812] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.729937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.735480] ? __kthread_parkme+0xfb/0x1a0 [ 435.739742] kthread+0x35a/0x420 [ 435.743108] ? sort_range+0x30/0x30 [ 435.746733] ? kthread_bind+0x40/0x40 [ 435.750557] ret_from_fork+0x3a/0x50 [ 435.754296] warn_alloc_show_mem: 1 callbacks suppressed [ 435.754308] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 435.754311] Mem-Info: [ 435.754347] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 435.754347] active_file:18 inactive_file:31 isolated_file:0 [ 435.754347] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.754347] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 435.754347] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 435.754347] free:13670 free_pcp:352 free_cma:0 [ 435.759682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.759691] Call Trace: [ 435.766978] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.769381] [ 435.802419] Node 0 [ 435.811781] dump_stack+0x1c4/0x2b4 [ 435.814363] 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 [ 435.842279] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.844404] lowmem_reserve[]: [ 435.846655] warn_alloc.cold.118+0xb7/0x1bd [ 435.850255] 0 [ 435.875756] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.880945] 2815 [ 435.884053] ? lock_downgrade+0x900/0x900 [ 435.888344] 6318 6318 [ 435.890169] ? trace_hardirqs_off+0xb8/0x300 [ 435.894981] Node 0 [ 435.897044] ? trace_hardirqs_off+0xb8/0x300 [ 435.901190] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 435.903662] __alloc_pages_slowpath+0x2667/0x2d80 [ 435.908041] lowmem_reserve[]: [ 435.910310] ? warn_alloc+0x120/0x120 [ 435.914672] 0 [ 435.941388] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.946203] 0 [ 435.949304] ? warn_alloc+0x120/0x120 [ 435.953083] 3503 [ 435.954883] ? print_usage_bug+0xc0/0xc0 [ 435.959868] 3503 [ 435.961687] ? warn_alloc+0x120/0x120 [ 435.965463] Node 0 [ 435.967544] ? print_usage_bug+0xc0/0xc0 [ 435.967563] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.971632] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 435.973672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.977434] lowmem_reserve[]: 0 [ 435.979681] ? should_fail+0x22d/0xd01 [ 435.983723] 0 [ 435.988910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.018051] 0 0 [ 436.023620] ? __lock_acquire+0x7ec/0x4ec0 [ 436.030758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.032539] Node 0 [ 436.037635] ? should_fail+0x22d/0xd01 [ 436.039592] DMA: [ 436.043829] ? mark_held_locks+0x130/0x130 [ 436.048902] 1*4kB [ 436.051159] ? mark_held_locks+0x130/0x130 [ 436.055022] (U) [ 436.057083] ? print_usage_bug+0xc0/0xc0 [ 436.061300] 0*8kB 0*16kB [ 436.063476] ? find_held_lock+0x36/0x1c0 [ 436.067701] 1*32kB [ 436.069675] ? graph_lock+0x170/0x170 [ 436.073718] (U) [ 436.076491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.080518] 2*64kB (U) [ 436.082772] ? check_preemption_disabled+0x48/0x200 [ 436.086572] 1*128kB (U) [ 436.088555] ? check_preemption_disabled+0x48/0x200 [ 436.094072] 1*256kB [ 436.096659] ? __lock_is_held+0xb5/0x140 [ 436.101649] (U) [ 436.104320] __alloc_pages_nodemask+0xa80/0xde0 [ 436.109480] 0*512kB 1*1024kB [ 436.111847] ? graph_lock+0x170/0x170 [ 436.115883] (U) [ 436.117856] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 436.122516] 1*2048kB [ 436.125627] ? graph_lock+0x170/0x170 [ 436.129425] (M) 3*4096kB (M) [ 436.131429] ? find_held_lock+0x36/0x1c0 [ 436.136407] = 15908kB [ 436.136417] Node 0 [ 436.138854] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.142615] DMA32: 4*4kB [ 436.145727] ? lock_downgrade+0x900/0x900 [ 436.149767] (UM) [ 436.152202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.154423] 1*8kB [ 436.159093] cache_grow_begin+0x91/0x8c0 [ 436.161827] (M) [ 436.165976] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.168011] 3*16kB (M) [ 436.173562] fallback_alloc+0x203/0x2e0 [ 436.175685] 3*32kB (M) [ 436.179764] ____cache_alloc_node+0x1c7/0x1e0 [ 436.181716] 1*64kB [ 436.186120] kmem_cache_alloc_node+0xe3/0x730 [ 436.188680] (M) [ 436.192651] ? mark_held_locks+0xc7/0x130 [ 436.195218] 3*128kB [ 436.199713] __alloc_skb+0x119/0x770 [ 436.201921] (UM) [ 436.206416] ? skb_scrub_packet+0x490/0x490 [ 436.208370] 3*256kB [ 436.212512] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 436.214814] (UM) [ 436.218538] ? queue_work_on+0x12c/0x1e0 [ 436.220583] 4*512kB [ 436.224910] ? switchdev_port_obj_del+0xdc/0x450 [ 436.227200] (UM) 3*1024kB [ 436.231789] ? switchdev_trans_item_enqueue+0x260/0x260 [ 436.233828] (M) [ 436.237902] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 436.240201] 3*2048kB [ 436.244959] __br_mdb_notify+0x4ff/0x15d0 [ 436.247778] (M) [ 436.253142] ? __br_mdb_add+0x800/0x800 [ 436.255084] 3*4096kB (M) [ 436.260105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.262495] = 24936kB [ 436.266683] ? __lock_acquire+0x7ec/0x4ec0 [ 436.268635] Node 0 [ 436.272607] ? kasan_check_read+0x11/0x20 [ 436.275344] Normal: [ 436.280878] ? debug_object_init_on_stack+0x20/0x20 [ 436.283267] 1267*4kB [ 436.287496] ? graph_lock+0x170/0x170 [ 436.289706] (UMEH) [ 436.293858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.296161] 430*8kB [ 436.301175] br_mdb_notify+0x310/0x410 [ 436.303561] (UMEH) [ 436.307367] ? br_mdb_dump+0x2530/0x2530 [ 436.309577] 212*16kB (UMEH) [ 436.315128] br_multicast_del_pg+0x3df/0x790 [ 436.317415] 35*32kB (MH) [ 436.321323] ? br_mdb_ip_get+0x940/0x940 [ 436.323529] 9*64kB (MH) [ 436.327595] ? kasan_check_write+0x14/0x20 [ 436.330587] 1*128kB [ 436.334989] ? do_raw_spin_lock+0xc1/0x200 [ 436.337744] (H) 1*256kB [ 436.341817] br_multicast_port_group_expired+0x189/0x1e0 [ 436.344459] (H) [ 436.348692] call_timer_fn+0x272/0x920 [ 436.350985] 0*512kB 0*1024kB [ 436.355228] ? br_multicast_del_pg+0x790/0x790 [ 436.357873] 0*2048kB 0*4096kB [ 436.363332] ? process_timeout+0x40/0x40 [ 436.365293] = 13980kB [ 436.369196] ? find_held_lock+0x36/0x1c0 [ 436.372289] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.376866] ? __run_timers+0x7da/0xc70 [ 436.380036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.384091] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.386479] 4516 total pagecache pages [ 436.390540] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.399351] 0 pages in swap cache [ 436.403315] ? br_multicast_del_pg+0x790/0x790 [ 436.411876] Swap cache stats: add 0, delete 0, find 0/0 [ 436.416367] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 436.420229] Free swap = 0kB [ 436.424719] ? trace_hardirqs_on+0xbd/0x310 [ 436.428147] Total swap = 0kB [ 436.432726] ? kasan_check_read+0x11/0x20 [ 436.438069] 1965979 pages RAM [ 436.442649] ? __run_timers+0x7da/0xc70 [ 436.445640] 0 pages HighMem/MovableOnly [ 436.445650] 343324 pages reserved [ 436.449973] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.452968] 0 pages cma reserved [ 436.457114] ? br_multicast_del_pg+0x790/0x790 [ 436.460388] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.464168] ? br_multicast_del_pg+0x790/0x790 [ 436.468119] ksoftirqd/0 cpuset= [ 436.471572] __run_timers+0x7e5/0xc70 [ 436.476996] / [ 436.480367] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 436.484961] mems_allowed=0 [ 436.495280] ? check_preemption_disabled+0x48/0x200 [ 436.521904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.527464] ? rcu_irq_exit+0xce/0x100 [ 436.531368] ? irq_exit+0xbd/0x1c0 [ 436.534914] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 436.539939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.544702] ? retint_kernel+0x2d/0x2d [ 436.548596] ? trace_hardirqs_on_caller+0xc0/0x300 [ 436.553548] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.558306] ? trace_hardirqs_off_caller+0x300/0x300 [ 436.563422] ? graph_lock+0x170/0x170 [ 436.567242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.572780] ? check_preemption_disabled+0x48/0x200 [ 436.577813] ? __lock_is_held+0xb5/0x140 [ 436.581877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.587415] ? check_preemption_disabled+0x48/0x200 [ 436.592467] run_timer_softirq+0x52/0xb0 [ 436.596544] ? rcu_read_lock_sched_held+0x108/0x120 [ 436.601566] __do_softirq+0x30b/0xad8 [ 436.605379] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 436.610506] ? pvclock_read_flags+0x160/0x160 [ 436.615008] ? lapic_next_event+0x5a/0x90 [ 436.619163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.624704] ? check_preemption_disabled+0x48/0x200 [ 436.629720] ? check_preemption_disabled+0x48/0x200 [ 436.634742] ? kvm_clock_read+0x18/0x30 [ 436.638727] ? kvm_sched_clock_read+0x9/0x20 [ 436.643136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.648671] ? check_preemption_disabled+0x48/0x200 [ 436.653713] irq_exit+0x17f/0x1c0 [ 436.657170] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.662012] ? smp_reschedule_interrupt+0x109/0x650 [ 436.667030] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.672915] ? interrupt_entry+0xb5/0xf0 [ 436.676982] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.681999] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.687017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.691864] ? trace_hardirqs_off+0x300/0x300 [ 436.696357] ? trace_hardirqs_off+0x300/0x300 [ 436.700856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.706394] ? check_preemption_disabled+0x48/0x200 [ 436.711416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.716969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.721826] apic_timer_interrupt+0xf/0x20 [ 436.726056] [ 436.728298] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 436.733230] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 436.752129] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 436.759847] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 436.767123] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 436.774389] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 436.781654] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 436.788921] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 436.796236] skb_clone+0x1bb/0x500 [ 436.799793] ? skb_split+0x11e0/0x11e0 [ 436.803694] ? preempt_notifier_register+0x200/0x200 [ 436.808799] ? __switch_to_asm+0x34/0x70 [ 436.812859] ? __switch_to_asm+0x34/0x70 [ 436.816918] ? __switch_to_asm+0x40/0x70 [ 436.820978] ? __switch_to_asm+0x34/0x70 [ 436.825038] ? __switch_to_asm+0x40/0x70 [ 436.829103] ? __switch_to_asm+0x40/0x70 [ 436.833164] ? __switch_to_asm+0x34/0x70 [ 436.837222] ? __switch_to_asm+0x34/0x70 [ 436.841282] ? __switch_to_asm+0x40/0x70 [ 436.845343] ? __switch_to_asm+0x34/0x70 [ 436.849415] bpf_clone_redirect+0xb9/0x490 [ 436.853675] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 436.858710] ? __sched_text_start+0x8/0x8 [ 436.862862] ? retint_kernel+0x2d/0x2d [ 436.866763] ? find_held_lock+0x36/0x1c0 [ 436.870837] ? lock_acquire+0x1ed/0x520 [ 436.874812] ? bpf_test_run+0x32e/0x5a0 [ 436.878792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.884336] ? check_preemption_disabled+0x48/0x200 [ 436.889357] ? kasan_check_read+0x11/0x20 [ 436.893509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.898800] ? rcu_bh_qs+0xc0/0xc0 [ 436.902349] ? preempt_schedule+0x4d/0x60 [ 436.906498] ? ___preempt_schedule+0x16/0x18 [ 436.910920] ? bpf_test_run+0x1c0/0x5a0 [ 436.914912] ? netlink_diag_dump+0x2a0/0x2a0 [ 436.919330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.924869] ? bpf_test_init.isra.9+0x70/0x100 [ 436.929466] ? bpf_prog_test_run_skb+0x634/0xb40 [ 436.934231] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.939075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.944610] ? fput+0x130/0x1a0 [ 436.947893] ? __bpf_prog_get+0x9b/0x290 [ 436.951961] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.956801] ? bpf_prog_test_run+0x130/0x1a0 [ 436.961229] ? __x64_sys_bpf+0x3d8/0x510 [ 436.965290] ? bpf_prog_get+0x20/0x20 [ 436.969117] ? do_syscall_64+0x1b9/0x820 [ 436.973183] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 436.978579] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.983511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.988366] ? trace_hardirqs_off+0x300/0x300 [ 436.992875] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 436.997892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.003437] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.008480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.013330] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.018716] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 437.025475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.034821] Call Trace: [ 437.037421] dump_stack+0x1c4/0x2b4 [ 437.041065] ? dump_stack_print_info.cold.2+0x52/0x52 [ 437.046287] warn_alloc.cold.118+0xb7/0x1bd [ 437.050610] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.055458] ? lock_downgrade+0x900/0x900 [ 437.059631] ? trace_hardirqs_off+0xb8/0x300 [ 437.064046] ? trace_hardirqs_off+0xb8/0x300 [ 437.068463] __alloc_pages_slowpath+0x2667/0x2d80 [ 437.073340] ? warn_alloc+0x120/0x120 [ 437.077145] ? warn_alloc+0x120/0x120 [ 437.080957] ? print_usage_bug+0xc0/0xc0 [ 437.085022] ? warn_alloc+0x120/0x120 [ 437.088824] ? print_usage_bug+0xc0/0xc0 [ 437.092918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.098465] ? should_fail+0x22d/0xd01 [ 437.102355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.107485] ? __lock_acquire+0x7ec/0x4ec0 [ 437.111725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.116824] ? __lock_acquire+0x7ec/0x4ec0 [ 437.121061] ? should_fail+0x22d/0xd01 [ 437.124980] ? mark_held_locks+0x130/0x130 [ 437.129226] ? mark_held_locks+0x130/0x130 [ 437.133469] ? mark_held_locks+0x130/0x130 [ 437.137718] ? graph_lock+0x170/0x170 [ 437.141544] ? ret_from_fork+0x3a/0x50 [ 437.145437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.150973] ? check_preemption_disabled+0x48/0x200 [ 437.155986] ? check_preemption_disabled+0x48/0x200 [ 437.161020] ? __lock_is_held+0xb5/0x140 [ 437.165091] __alloc_pages_nodemask+0xa80/0xde0 [ 437.169761] ? graph_lock+0x170/0x170 [ 437.173567] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 437.178580] ? graph_lock+0x170/0x170 [ 437.182392] ? find_held_lock+0x36/0x1c0 [ 437.186468] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.191140] ? lock_downgrade+0x900/0x900 [ 437.195297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.200851] cache_grow_begin+0x91/0x8c0 [ 437.204916] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.209350] fallback_alloc+0x203/0x2e0 [ 437.213339] ____cache_alloc_node+0x1c7/0x1e0 [ 437.217841] kmem_cache_alloc_node+0xe3/0x730 [ 437.222347] ? mark_held_locks+0xc7/0x130 [ 437.226536] __alloc_skb+0x119/0x770 [ 437.230257] ? skb_scrub_packet+0x490/0x490 [ 437.234579] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 437.239228] ? queue_work_on+0x12c/0x1e0 [ 437.243299] ? switchdev_port_obj_del+0xdc/0x450 [ 437.248057] ? switchdev_trans_item_enqueue+0x260/0x260 [ 437.253431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.258455] __br_mdb_notify+0x4ff/0x15d0 [ 437.262616] ? __br_mdb_add+0x800/0x800 [ 437.266595] ? __lock_acquire+0x7ec/0x4ec0 [ 437.270837] ? ___ratelimit+0x36f/0x655 [ 437.274822] ? debug_object_init_on_stack+0x20/0x20 [ 437.279841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.285385] br_mdb_notify+0x310/0x410 [ 437.289275] ? br_mdb_dump+0x2530/0x2530 [ 437.293356] br_multicast_del_pg+0x3df/0x790 [ 437.297770] ? br_mdb_ip_get+0x940/0x940 [ 437.301840] ? kasan_check_write+0x14/0x20 [ 437.306081] ? do_raw_spin_lock+0xc1/0x200 [ 437.310338] br_multicast_port_group_expired+0x189/0x1e0 [ 437.315807] call_timer_fn+0x272/0x920 [ 437.319698] ? br_multicast_del_pg+0x790/0x790 [ 437.324287] ? process_timeout+0x40/0x40 [ 437.328350] ? find_held_lock+0x36/0x1c0 [ 437.332463] ? __run_timers+0x7da/0xc70 [ 437.336456] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.340956] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.345451] ? br_multicast_del_pg+0x790/0x790 [ 437.350035] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 437.354621] ? trace_hardirqs_on+0xbd/0x310 [ 437.358946] ? kasan_check_read+0x11/0x20 [ 437.363093] ? __run_timers+0x7da/0xc70 [ 437.367072] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.372529] ? br_multicast_del_pg+0x790/0x790 [ 437.377117] ? br_multicast_del_pg+0x790/0x790 [ 437.381705] __run_timers+0x7e5/0xc70 [ 437.385519] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 437.390879] ? compat_start_thread+0x80/0x80 [ 437.395317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.400860] ? _raw_spin_unlock_irq+0x60/0x80 [ 437.405373] ? finish_task_switch+0x1f5/0x900 [ 437.409877] ? finish_task_switch+0x1b5/0x900 [ 437.414385] ? __switch_to_asm+0x34/0x70 [ 437.418474] ? preempt_notifier_register+0x200/0x200 [ 437.423577] ? __switch_to_asm+0x34/0x70 [ 437.427638] ? __switch_to_asm+0x40/0x70 [ 437.431702] ? __switch_to_asm+0x34/0x70 [ 437.435761] ? __switch_to_asm+0x40/0x70 [ 437.439823] ? __switch_to_asm+0x34/0x70 [ 437.443893] ? __switch_to_asm+0x40/0x70 [ 437.447963] ? __switch_to_asm+0x40/0x70 [ 437.452033] ? pvclock_read_flags+0x160/0x160 [ 437.456542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.462085] ? check_preemption_disabled+0x48/0x200 [ 437.467113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 437.472399] ? rcu_pm_notify+0xc0/0xc0 [ 437.476301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.481837] ? check_preemption_disabled+0x48/0x200 [ 437.486863] run_timer_softirq+0x52/0xb0 [ 437.490931] ? rcu_read_lock_sched_held+0x108/0x120 [ 437.495952] __do_softirq+0x30b/0xad8 [ 437.499766] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 437.504870] ? trace_hardirqs_off_caller+0x300/0x300 [ 437.509971] ? retint_kernel+0x1b/0x2d [ 437.513870] ? schedule+0x108/0x460 [ 437.517501] ? __schedule+0x1ed0/0x1ed0 [ 437.521487] ? trace_hardirqs_off+0xb8/0x300 [ 437.525901] ? ___might_sleep+0x1ed/0x300 [ 437.530054] ? smpboot_thread_fn+0x68b/0xa00 [ 437.534474] ? trace_hardirqs_on+0x310/0x310 [ 437.538884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.544435] ? check_preemption_disabled+0x48/0x200 [ 437.549450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.554996] ? takeover_tasklets+0xa90/0xa90 [ 437.559420] run_ksoftirqd+0x94/0x100 [ 437.563218] smpboot_thread_fn+0x68b/0xa00 [ 437.567457] ? sort_range+0x30/0x30 [ 437.571113] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.576217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.581757] ? __kthread_parkme+0xfb/0x1a0 [ 437.586000] kthread+0x35a/0x420 [ 437.589367] ? sort_range+0x30/0x30 [ 437.593008] ? kthread_bind+0x40/0x40 [ 437.596813] ret_from_fork+0x3a/0x50 [ 437.600543] warn_alloc_show_mem: 1 callbacks suppressed [ 437.600562] Mem-Info: [ 437.608360] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 437.608360] active_file:18 inactive_file:31 isolated_file:0 [ 437.608360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.608360] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 437.608360] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 437.608360] free:13670 free_pcp:352 free_cma:0 [ 437.641467] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.669397] 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 [ 437.695543] lowmem_reserve[]: 0 2815 6318 6318 [ 437.700144] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.727494] lowmem_reserve[]: 0 0 3503 3503 [ 437.731837] Node 0 Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 437.761097] lowmem_reserve[]: 0 0 0 0 [ 437.764916] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 437.778575] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (M) 3*4096kB (M) = 24936kB [ 437.793806] Node 0 Normal: 1267*4kB (UMEH) 430*8kB (UMEH) 212*16kB (UMEH) 35*32kB (MH) 9*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13980kB [ 437.809031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.817864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.826433] 4516 total pagecache pages [ 437.830325] 0 pages in swap cache [ 437.833770] Swap cache stats: add 0, delete 0, find 0/0 [ 437.839120] Free swap = 0kB [ 437.842133] Total swap = 0kB [ 437.845145] 1965979 pages RAM [ 437.848243] 0 pages HighMem/MovableOnly [ 437.852207] 343324 pages reserved [ 437.855650] 0 pages cma reserved [ 437.859191] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.859220] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.869514] ksoftirqd/0 cpuset= [ 437.880009] syz-executor1 cpuset= [ 437.880012] / mems_allowed=0 [ 437.883284] syz1 [ 437.886749] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 437.889756] mems_allowed=0 [ 437.891723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.910726] Call Trace: [ 437.913321] dump_stack+0x1c4/0x2b4 [ 437.916960] ? dump_stack_print_info.cold.2+0x52/0x52 [ 437.922166] warn_alloc.cold.118+0xb7/0x1bd [ 437.926516] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.931372] ? lock_downgrade+0x900/0x900 [ 437.935542] ? trace_hardirqs_off+0xb8/0x300 [ 437.939960] ? trace_hardirqs_off+0xb8/0x300 [ 437.944375] __alloc_pages_slowpath+0x2667/0x2d80 [ 437.949293] ? warn_alloc+0x120/0x120 [ 437.953101] ? warn_alloc+0x120/0x120 [ 437.956903] ? print_usage_bug+0xc0/0xc0 [ 437.960973] ? warn_alloc+0x120/0x120 [ 437.964777] ? print_usage_bug+0xc0/0xc0 [ 437.968837] ? __lock_is_held+0xb5/0x140 [ 437.972904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.978457] ? should_fail+0x22d/0xd01 [ 437.982355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.987458] ? __lock_acquire+0x7ec/0x4ec0 [ 437.991699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.996802] ? __lock_acquire+0x7ec/0x4ec0 [ 438.001569] ? should_fail+0x22d/0xd01 [ 438.005481] ? mark_held_locks+0x130/0x130 [ 438.009735] ? __pv_queued_spin_lock_slowpath+0x15d0/0x15d0 [ 438.015444] ? mark_held_locks+0x130/0x130 [ 438.019711] ? graph_lock+0x170/0x170 [ 438.023542] ? print_usage_bug+0xc0/0xc0 [ 438.027606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.033143] ? check_preemption_disabled+0x48/0x200 [ 438.038159] ? check_preemption_disabled+0x48/0x200 [ 438.043187] ? __lock_is_held+0xb5/0x140 [ 438.047256] __alloc_pages_nodemask+0xa80/0xde0 [ 438.051934] ? graph_lock+0x170/0x170 [ 438.055740] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.060751] ? graph_lock+0x170/0x170 [ 438.064564] ? find_held_lock+0x36/0x1c0 [ 438.068638] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.073311] ? lock_downgrade+0x900/0x900 [ 438.077468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.083011] cache_grow_begin+0x91/0x8c0 [ 438.087086] ? do_raw_spin_unlock+0xa7/0x2f0 [ 438.091521] fallback_alloc+0x203/0x2e0 [ 438.095507] ____cache_alloc_node+0x1c7/0x1e0 [ 438.100010] kmem_cache_alloc_node+0xe3/0x730 [ 438.104510] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.108943] __alloc_skb+0x119/0x770 [ 438.112666] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.117954] ? skb_scrub_packet+0x490/0x490 [ 438.122317] ? lock_downgrade+0x900/0x900 [ 438.126488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.132032] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.137490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.142954] ? addrconf_rs_timer+0x6f0/0x6f0 [ 438.147395] ndisc_alloc_skb+0x144/0x340 [ 438.151475] ndisc_send_rs+0x331/0x6e0 [ 438.155370] addrconf_rs_timer+0x3c0/0x6f0 [ 438.159628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.163880] call_timer_fn+0x272/0x920 [ 438.167769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.172008] ? process_timeout+0x40/0x40 [ 438.176070] ? find_held_lock+0x36/0x1c0 [ 438.180143] ? __run_timers+0x7da/0xc70 [ 438.184122] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.188617] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.193110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.197349] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 438.201941] ? trace_hardirqs_on+0xbd/0x310 [ 438.206291] ? kasan_check_read+0x11/0x20 [ 438.210443] ? __run_timers+0x7da/0xc70 [ 438.214420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.219877] ? work_on_cpu_safe+0x90/0x90 [ 438.224031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.228279] __run_timers+0x7e5/0xc70 [ 438.232125] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 438.237492] ? compat_start_thread+0x80/0x80 [ 438.241908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.247487] ? _raw_spin_unlock_irq+0x60/0x80 [ 438.251984] ? finish_task_switch+0x1f5/0x900 [ 438.256480] ? finish_task_switch+0x1b5/0x900 [ 438.260998] ? __switch_to_asm+0x34/0x70 [ 438.265065] ? preempt_notifier_register+0x200/0x200 [ 438.270171] ? __switch_to_asm+0x34/0x70 [ 438.274231] ? __switch_to_asm+0x40/0x70 [ 438.278303] ? __switch_to_asm+0x34/0x70 [ 438.282357] ? __switch_to_asm+0x40/0x70 [ 438.286438] ? __switch_to_asm+0x34/0x70 [ 438.290498] ? __switch_to_asm+0x40/0x70 [ 438.294557] ? __switch_to_asm+0x40/0x70 [ 438.298627] ? pvclock_read_flags+0x160/0x160 [ 438.303137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.308689] ? check_preemption_disabled+0x48/0x200 [ 438.313718] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.319046] ? rcu_pm_notify+0xc0/0xc0 [ 438.322946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.328492] ? check_preemption_disabled+0x48/0x200 [ 438.333518] run_timer_softirq+0x52/0xb0 [ 438.337581] ? rcu_read_lock_sched_held+0x108/0x120 [ 438.342616] __do_softirq+0x30b/0xad8 [ 438.346428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 438.351536] ? trace_hardirqs_off_caller+0x300/0x300 [ 438.356639] ? retint_kernel+0x1b/0x2d [ 438.360537] ? schedule+0x108/0x460 [ 438.364181] ? __schedule+0x1ed0/0x1ed0 [ 438.368170] ? trace_hardirqs_off+0xb8/0x300 [ 438.372593] ? ___might_sleep+0x1ed/0x300 [ 438.376746] ? smpboot_thread_fn+0x68b/0xa00 [ 438.381158] ? trace_hardirqs_on+0x310/0x310 [ 438.385602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.391178] ? check_preemption_disabled+0x48/0x200 [ 438.396199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.401746] ? takeover_tasklets+0xa90/0xa90 [ 438.406158] run_ksoftirqd+0x94/0x100 [ 438.409962] smpboot_thread_fn+0x68b/0xa00 [ 438.414199] ? sort_range+0x30/0x30 [ 438.417848] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.422955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.428497] ? __kthread_parkme+0xfb/0x1a0 [ 438.432736] kthread+0x35a/0x420 [ 438.436104] ? sort_range+0x30/0x30 [ 438.439730] ? kthread_bind+0x40/0x40 [ 438.443531] ret_from_fork+0x3a/0x50 [ 438.447272] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 438.447399] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 438.454604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.454611] Call Trace: [ 438.454619] [ 438.454638] dump_stack+0x1c4/0x2b4 [ 438.454655] ? dump_stack_print_info.cold.2+0x52/0x52 [ 438.461241] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.470498] warn_alloc.cold.118+0xb7/0x1bd [ 438.473051] ksoftirqd/0 cpuset= [ 438.475196] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.478803] / [ 438.483991] ? lock_downgrade+0x900/0x900 [ 438.494365] mems_allowed=0 [ 438.498688] ? trace_hardirqs_off+0xb8/0x300 [ 438.519977] ? trace_hardirqs_off+0xb8/0x300 [ 438.524400] __alloc_pages_slowpath+0x2667/0x2d80 [ 438.529279] ? warn_alloc+0x120/0x120 [ 438.533087] ? warn_alloc+0x120/0x120 [ 438.536894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.542463] ? print_usage_bug+0xc0/0xc0 [ 438.546530] ? warn_alloc+0x120/0x120 [ 438.550334] ? print_usage_bug+0xc0/0xc0 [ 438.554407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.559951] ? should_fail+0x22d/0xd01 [ 438.563842] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.568862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.573965] ? __lock_acquire+0x7ec/0x4ec0 [ 438.578212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.583321] ? should_fail+0x22d/0xd01 [ 438.587232] ? mark_held_locks+0x130/0x130 [ 438.591487] ? mark_held_locks+0x130/0x130 [ 438.595750] ? print_usage_bug+0xc0/0xc0 [ 438.599819] ? find_held_lock+0x36/0x1c0 [ 438.603881] ? graph_lock+0x170/0x170 [ 438.607686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.613226] ? check_preemption_disabled+0x48/0x200 [ 438.618253] ? check_preemption_disabled+0x48/0x200 [ 438.623306] ? __lock_is_held+0xb5/0x140 [ 438.627378] __alloc_pages_nodemask+0xa80/0xde0 [ 438.632049] ? graph_lock+0x170/0x170 [ 438.635854] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.640868] ? graph_lock+0x170/0x170 [ 438.644680] ? find_held_lock+0x36/0x1c0 [ 438.648758] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.653448] ? lock_downgrade+0x900/0x900 [ 438.657637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.663185] cache_grow_begin+0x91/0x8c0 [ 438.667249] ? do_raw_spin_unlock+0xa7/0x2f0 [ 438.671669] fallback_alloc+0x203/0x2e0 [ 438.675652] ____cache_alloc_node+0x1c7/0x1e0 [ 438.680159] kmem_cache_alloc_node+0xe3/0x730 [ 438.684654] ? mark_held_locks+0xc7/0x130 [ 438.688818] __alloc_skb+0x119/0x770 [ 438.692549] ? skb_scrub_packet+0x490/0x490 [ 438.696872] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 438.701467] ? queue_work_on+0x12c/0x1e0 [ 438.705557] ? switchdev_port_obj_del+0xdc/0x450 [ 438.710321] ? switchdev_trans_item_enqueue+0x260/0x260 [ 438.715731] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 438.720765] __br_mdb_notify+0x4ff/0x15d0 [ 438.724929] ? __br_mdb_add+0x800/0x800 [ 438.728903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.734478] ? __lock_acquire+0x7ec/0x4ec0 [ 438.738806] ? kasan_check_read+0x11/0x20 [ 438.742964] ? debug_object_init_on_stack+0x20/0x20 [ 438.747982] ? graph_lock+0x170/0x170 [ 438.751809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.757390] br_mdb_notify+0x310/0x410 [ 438.761305] ? br_mdb_dump+0x2530/0x2530 [ 438.765393] br_multicast_del_pg+0x3df/0x790 [ 438.769805] ? br_mdb_ip_get+0x940/0x940 [ 438.773876] ? kasan_check_write+0x14/0x20 [ 438.778117] ? do_raw_spin_lock+0xc1/0x200 [ 438.782402] br_multicast_port_group_expired+0x189/0x1e0 [ 438.787880] call_timer_fn+0x272/0x920 [ 438.791771] ? br_multicast_del_pg+0x790/0x790 [ 438.796356] ? process_timeout+0x40/0x40 [ 438.800418] ? find_held_lock+0x36/0x1c0 [ 438.804516] ? __run_timers+0x7da/0xc70 [ 438.808509] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.813010] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.817535] ? br_multicast_del_pg+0x790/0x790 [ 438.822133] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 438.826722] ? trace_hardirqs_on+0xbd/0x310 [ 438.831041] ? kasan_check_read+0x11/0x20 [ 438.835233] ? __run_timers+0x7da/0xc70 [ 438.839238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.844691] ? br_multicast_del_pg+0x790/0x790 [ 438.849282] ? br_multicast_del_pg+0x790/0x790 [ 438.853865] __run_timers+0x7e5/0xc70 [ 438.857685] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 438.863052] ? check_preemption_disabled+0x48/0x200 [ 438.868070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.873617] ? rcu_irq_exit+0xce/0x100 [ 438.877510] ? irq_exit+0xbd/0x1c0 [ 438.881066] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 438.886088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.890852] ? retint_kernel+0x2d/0x2d [ 438.894743] ? trace_hardirqs_on_caller+0xc0/0x300 [ 438.899675] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.904441] ? trace_hardirqs_off_caller+0x300/0x300 [ 438.909554] ? graph_lock+0x170/0x170 [ 438.913365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.918907] ? check_preemption_disabled+0x48/0x200 [ 438.923938] ? __lock_is_held+0xb5/0x140 [ 438.928008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.933552] ? check_preemption_disabled+0x48/0x200 [ 438.938582] run_timer_softirq+0x52/0xb0 [ 438.942649] ? rcu_read_lock_sched_held+0x108/0x120 [ 438.947698] __do_softirq+0x30b/0xad8 [ 438.951545] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 438.956671] ? pvclock_read_flags+0x160/0x160 [ 438.961167] ? lapic_next_event+0x5a/0x90 [ 438.965317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.970851] ? check_preemption_disabled+0x48/0x200 [ 438.975864] ? check_preemption_disabled+0x48/0x200 [ 438.980890] ? kvm_clock_read+0x18/0x30 [ 438.984864] ? kvm_sched_clock_read+0x9/0x20 [ 438.989278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.994817] ? check_preemption_disabled+0x48/0x200 [ 438.999867] irq_exit+0x17f/0x1c0 [ 439.003327] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.008174] ? smp_reschedule_interrupt+0x109/0x650 [ 439.013213] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.019102] ? interrupt_entry+0xb5/0xf0 [ 439.023170] ? trace_hardirqs_off_caller+0xbb/0x300 [ 439.028197] ? trace_hardirqs_off_caller+0xbb/0x300 [ 439.033232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.038075] ? trace_hardirqs_off+0x300/0x300 [ 439.042569] ? trace_hardirqs_off+0x300/0x300 [ 439.047065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.052600] ? check_preemption_disabled+0x48/0x200 [ 439.057633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.063181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.068041] apic_timer_interrupt+0xf/0x20 [ 439.072311] [ 439.074561] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 439.079497] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 439.098432] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 439.106153] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 439.113439] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 439.120706] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 439.127977] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 439.135246] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 439.142591] skb_clone+0x1bb/0x500 [ 439.146143] ? skb_split+0x11e0/0x11e0 [ 439.150036] ? preempt_notifier_register+0x200/0x200 [ 439.155146] ? __switch_to_asm+0x34/0x70 [ 439.159206] ? __switch_to_asm+0x34/0x70 [ 439.163265] ? __switch_to_asm+0x40/0x70 [ 439.167325] ? __switch_to_asm+0x34/0x70 [ 439.171383] ? __switch_to_asm+0x40/0x70 [ 439.175449] ? __switch_to_asm+0x40/0x70 [ 439.179509] ? __switch_to_asm+0x34/0x70 [ 439.183580] ? __switch_to_asm+0x34/0x70 [ 439.187642] ? __switch_to_asm+0x40/0x70 [ 439.191707] ? __switch_to_asm+0x34/0x70 [ 439.195781] bpf_clone_redirect+0xb9/0x490 [ 439.200043] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 439.205070] ? __sched_text_start+0x8/0x8 [ 439.209222] ? retint_kernel+0x2d/0x2d [ 439.213133] ? find_held_lock+0x36/0x1c0 [ 439.217204] ? lock_acquire+0x1ed/0x520 [ 439.221197] ? bpf_test_run+0x32e/0x5a0 [ 439.225198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.230757] ? check_preemption_disabled+0x48/0x200 [ 439.235806] ? kasan_check_read+0x11/0x20 [ 439.239961] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.245238] ? rcu_bh_qs+0xc0/0xc0 [ 439.248788] ? preempt_schedule+0x4d/0x60 [ 439.252940] ? ___preempt_schedule+0x16/0x18 [ 439.257357] ? bpf_test_run+0x1c0/0x5a0 [ 439.261344] ? netlink_diag_dump+0x2a0/0x2a0 [ 439.265780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.271318] ? bpf_test_init.isra.9+0x70/0x100 [ 439.275924] ? bpf_prog_test_run_skb+0x634/0xb40 [ 439.280688] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 439.285541] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.291085] ? fput+0x130/0x1a0 [ 439.294372] ? __bpf_prog_get+0x9b/0x290 [ 439.298445] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 439.303286] ? bpf_prog_test_run+0x130/0x1a0 [ 439.307704] ? __x64_sys_bpf+0x3d8/0x510 [ 439.311766] ? bpf_prog_get+0x20/0x20 [ 439.315593] ? do_syscall_64+0x1b9/0x820 [ 439.319656] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 439.325028] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.329956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.334807] ? trace_hardirqs_off+0x300/0x300 [ 439.339304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 439.344321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.349896] ? prepare_exit_to_usermode+0x291/0x3b0 [ 439.354921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.359792] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 439.365184] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 439.365248] rcu: INFO: rcu_preempt self-detected stall on CPU [ 439.371955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.371963] Call Trace: [ 439.387192] dump_stack+0x1c4/0x2b4 [ 439.390231] rcu: 1-...!: (1 GPs behind) idle=d92/1/0x4000000000000004 softirq=103899/103900 fqs=0 [ 439.393371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 439.393403] warn_alloc.cold.118+0xb7/0x1bd [ 439.393419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.393441] ? lock_downgrade+0x900/0x900 [ 439.393465] ? trace_hardirqs_off+0xb8/0x300 [ 439.393486] ? trace_hardirqs_off+0xb8/0x300 [ 439.393508] __alloc_pages_slowpath+0x2667/0x2d80 [ 439.393551] ? warn_alloc+0x120/0x120 [ 439.393584] ? warn_alloc+0x120/0x120 [ 439.393599] ? print_usage_bug+0xc0/0xc0 [ 439.403090] rcu: [ 439.408279] ? warn_alloc+0x120/0x120 [ 439.412585] (t=10556 jiffies g=47413 q=2676) [ 439.417421] ? print_usage_bug+0xc0/0xc0 [ 439.421567] rcu: rcu_preempt kthread starved for 10556 jiffies! g47413 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 439.425976] ? __lock_acquire+0x7ec/0x4ec0 [ 439.430362] rcu: RCU grace-period kthread stack dump: [ 439.435204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.438982] rcu_preempt R [ 439.442783] ? should_fail+0x22d/0xd01 [ 439.446808] running task 23064 10 2 0x80000000 [ 439.448967] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.452749] Call Trace: [ 439.457254] ? __lock_acquire+0x7ec/0x4ec0 [ 439.461323] __schedule+0x86c/0x1ed0 [ 439.471790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.476017] ? __sched_text_start+0x8/0x8 [ 439.481190] ? __lock_acquire+0x7ec/0x4ec0 [ 439.486718] ? __mod_timer+0x6f6/0x1870 [ 439.489811] ? should_fail+0x22d/0xd01 [ 439.493693] ? add_timer_on+0x9f0/0x9f0 [ 439.499386] ? print_usage_bug+0xc0/0xc0 [ 439.504490] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.507064] ? mark_held_locks+0x130/0x130 [ 439.511283] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.514983] ? mark_held_locks+0x130/0x130 [ 439.520091] ? trace_hardirqs_on+0xbd/0x310 [ 439.524231] ? graph_lock+0x170/0x170 [ 439.528466] ? kasan_check_read+0x11/0x20 [ 439.532454] ? print_usage_bug+0xc0/0xc0 [ 439.536333] ? prepare_to_swait_event+0x25a/0x800 [ 439.540335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.544383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.549475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.553703] schedule+0xfe/0x460 [ 439.558789] ? check_preemption_disabled+0x48/0x200 [ 439.563012] ? __schedule+0x1ed0/0x1ed0 [ 439.567332] ? check_preemption_disabled+0x48/0x200 [ 439.571121] ? prepare_to_swait_event+0x25a/0x800 [ 439.575287] ? __lock_is_held+0xb5/0x140 [ 439.579333] ? __init_swait_queue_head+0x150/0x150 [ 439.584180] __alloc_pages_nodemask+0xa80/0xde0 [ 439.588918] ? __lockdep_init_map+0x105/0x590 [ 439.594360] ? graph_lock+0x170/0x170 [ 439.599882] ? lockdep_init_map+0x9/0x10 [ 439.603239] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 439.608245] schedule_timeout+0x140/0x260 [ 439.612205] ? graph_lock+0x170/0x170 [ 439.617212] ? usleep_range+0x1a0/0x1a0 [ 439.622060] ? find_held_lock+0x36/0x1c0 [ 439.626121] ? __next_timer_interrupt+0x1a0/0x1a0 [ 439.631040] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.635692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.640171] ? lock_downgrade+0x900/0x900 [ 439.643966] rcu_gp_kthread+0x9d9/0x2310 [ 439.648009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.653031] ? rcu_gp_init+0x1830/0x1830 [ 439.657145] cache_grow_begin+0x91/0x8c0 [ 439.660932] ? update_curr+0x344/0xbe0 [ 439.664937] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.668980] ? graph_lock+0x170/0x170 [ 439.673817] fallback_alloc+0x203/0x2e0 [ 439.678469] ? __account_cfs_rq_runtime+0x790/0x790 [ 439.684084] ____cache_alloc_node+0x1c7/0x1e0 [ 439.688217] ? __lock_acquire+0x7ec/0x4ec0 [ 439.692262] kmem_cache_alloc_node+0xe3/0x730 [ 439.697783] ? graph_lock+0x170/0x170 [ 439.701844] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.705892] ? mark_held_locks+0x130/0x130 [ 439.709769] __alloc_skb+0x119/0x770 [ 439.714164] ? __lock_is_held+0xb5/0x140 [ 439.717967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.721945] ? __account_cfs_rq_runtime+0x790/0x790 [ 439.726953] ? skb_scrub_packet+0x490/0x490 [ 439.731449] ? set_next_entity+0x30c/0xc40 [ 439.735655] ? lock_downgrade+0x900/0x900 [ 439.740140] ? mark_held_locks+0x130/0x130 [ 439.743940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.748151] ? rcu_read_lock_sched_held+0x108/0x120 [ 439.752370] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.756083] ? select_task_rq_fair+0x34f0/0x34f0 [ 439.760139] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.765399] ? __enqueue_entity+0x10d/0x1f0 [ 439.770449] ? addrconf_rs_timer+0x6f0/0x6f0 [ 439.774760] ? graph_lock+0x170/0x170 [ 439.778993] ndisc_alloc_skb+0x144/0x340 [ 439.783120] ? lock_repin_lock+0x251/0x430 [ 439.787346] ndisc_send_rs+0x331/0x6e0 [ 439.792869] ? graph_lock+0x170/0x170 [ 439.797877] addrconf_rs_timer+0x3c0/0x6f0 [ 439.803318] ? put_prev_task_stop+0x300/0xa10 [ 439.808064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.813505] ? lock_repin_lock+0x250/0x430 [ 439.817819] call_timer_fn+0x272/0x920 [ 439.822203] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.826000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.830052] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.834313] ? process_timeout+0x40/0x40 [ 439.838203] ? lockdep_hardirqs_on+0x421/0x5c0 [ 439.841993] ? find_held_lock+0x36/0x1c0 [ 439.846215] ? trace_hardirqs_on+0xbd/0x310 [ 439.850698] ? __run_timers+0x7da/0xc70 [ 439.854918] ? kasan_check_read+0x11/0x20 [ 439.859145] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.863027] ? mark_held_locks+0x130/0x130 [ 439.867505] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.871729] ? audit_add_watch+0xae1/0xdc0 [ 439.876222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.880269] ? kasan_check_write+0x14/0x20 [ 439.884845] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 439.888911] ? finish_task_switch+0x2f5/0x900 [ 439.893218] ? trace_hardirqs_on+0xbd/0x310 [ 439.897176] ? __switch_to_asm+0x40/0x70 [ 439.901314] ? kasan_check_read+0x11/0x20 [ 439.905799] ? preempt_notifier_register+0x200/0x200 [ 439.910021] ? __run_timers+0x7da/0xc70 [ 439.914501] ? __switch_to_asm+0x34/0x70 [ 439.918726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.922944] ? __switch_to_asm+0x34/0x70 [ 439.922960] ? __switch_to_asm+0x40/0x70 [ 439.927190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.931755] ? __switch_to_asm+0x40/0x70 [ 439.936239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.940551] ? __switch_to_asm+0x34/0x70 [ 439.944604] __run_timers+0x7e5/0xc70 [ 439.948737] ? __switch_to_asm+0x40/0x70 [ 439.953840] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 439.957804] ? __switch_to_asm+0x34/0x70 [ 439.961853] ? compat_start_thread+0x80/0x80 [ 439.967301] ? __switch_to_asm+0x34/0x70 [ 439.971354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.975398] ? __switch_to_asm+0x40/0x70 [ 439.979624] ? _raw_spin_unlock_irq+0x60/0x80 [ 439.983678] ? __switch_to_asm+0x40/0x70 [ 439.987909] ? finish_task_switch+0x1f5/0x900 [ 439.991940] ? __switch_to_asm+0x34/0x70 [ 439.991956] ? __switch_to_asm+0x40/0x70 [ 439.995750] ? finish_task_switch+0x1b5/0x900 [ 440.000033] ? __schedule+0x874/0x1ed0 [ 440.005374] ? __switch_to_asm+0x34/0x70 [ 440.009425] ? __switch_to_asm+0x40/0x70 [ 440.013838] ? preempt_notifier_register+0x200/0x200 [ 440.017890] ? __switch_to_asm+0x40/0x70 [ 440.023414] ? __switch_to_asm+0x34/0x70 [ 440.027488] ? graph_lock+0x170/0x170 [ 440.031965] ? __switch_to_asm+0x40/0x70 [ 440.036023] ? __sched_text_start+0x8/0x8 [ 440.040496] ? __switch_to_asm+0x34/0x70 [ 440.044558] ? find_held_lock+0x36/0x1c0 [ 440.048605] ? __switch_to_asm+0x40/0x70 [ 440.053094] ? __kthread_parkme+0xce/0x1a0 [ 440.056966] ? __switch_to_asm+0x34/0x70 [ 440.061028] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 440.065080] ? __switch_to_asm+0x40/0x70 [ 440.070169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 440.074215] ? __switch_to_asm+0x40/0x70 [ 440.078268] ? lockdep_hardirqs_on+0x421/0x5c0 [ 440.082062] ? pvclock_read_flags+0x160/0x160 [ 440.086110] ? trace_hardirqs_on+0xbd/0x310 [ 440.090246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.094292] ? kasan_check_read+0x11/0x20 [ 440.098367] ? check_preemption_disabled+0x48/0x200 [ 440.102422] ? __kthread_parkme+0xce/0x1a0 [ 440.106835] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 440.110884] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.115978] ? rcu_pm_notify+0xc0/0xc0 [ 440.120031] ? kasan_check_write+0x14/0x20 [ 440.125124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.129180] ? do_raw_spin_lock+0xc1/0x200 [ 440.133754] ? check_preemption_disabled+0x48/0x200 [ 440.138245] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 440.142557] run_timer_softirq+0x52/0xb0 [ 440.148082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.152224] ? rcu_read_lock_sched_held+0x108/0x120 [ 440.157229] ? __kthread_parkme+0xfb/0x1a0 [ 440.161448] __do_softirq+0x30b/0xad8 [ 440.161475] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 440.166749] kthread+0x35a/0x420 [ 440.172202] ? trace_hardirqs_off_caller+0x300/0x300 [ 440.176074] ? rcu_gp_init+0x1830/0x1830 [ 440.180299] ? retint_kernel+0x1b/0x2d [ 440.185835] ? kthread_bind+0x40/0x40 [ 440.190064] ? schedule+0x108/0x460 [ 440.195141] ret_from_fork+0x3a/0x50 [ 440.200243] ? __schedule+0x1ed0/0x1ed0 [ 440.204329] NMI backtrace for cpu 1 [ 440.209843] ? trace_hardirqs_off+0xb8/0x300 [ 440.267396] ? ___might_sleep+0x1ed/0x300 [ 440.271548] ? smpboot_thread_fn+0x68b/0xa00 [ 440.275975] ? trace_hardirqs_on+0x310/0x310 [ 440.280394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.285940] ? check_preemption_disabled+0x48/0x200 [ 440.290964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.296511] ? takeover_tasklets+0xa90/0xa90 [ 440.300942] run_ksoftirqd+0x94/0x100 [ 440.304754] smpboot_thread_fn+0x68b/0xa00 [ 440.308992] ? sort_range+0x30/0x30 [ 440.312628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 440.317731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.323277] ? __kthread_parkme+0xfb/0x1a0 [ 440.327532] kthread+0x35a/0x420 [ 440.330919] ? sort_range+0x30/0x30 [ 440.334557] ? kthread_bind+0x40/0x40 [ 440.338398] ret_from_fork+0x3a/0x50 [ 440.342130] warn_alloc_show_mem: 2 callbacks suppressed [ 440.342145] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 440.342148] Mem-Info: [ 440.342196] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 440.342196] active_file:18 inactive_file:31 isolated_file:0 [ 440.342196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.342196] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 440.342196] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 440.342196] free:13670 free_pcp:352 free_cma:0 [ 440.347545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.354834] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.357233] Call Trace: [ 440.390300] 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 [ 440.399683] [ 440.427612] lowmem_reserve[]: 0 [ 440.430264] dump_stack+0x1c4/0x2b4 [ 440.456326] 2815 [ 440.458490] ? dump_stack_print_info.cold.2+0x52/0x52 [ 440.461729] 6318 [ 440.465374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.467418] 6318 [ 440.472626] ? trace_hardirqs_off+0xb8/0x300 [ 440.480209] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 440.482248] Node 0 [ 440.486658] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 440.491319] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.493536] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 440.498685] lowmem_reserve[]: 0 [ 440.525461] arch_trigger_cpumask_backtrace+0x14/0x20 [ 440.530710] 0 [ 440.533999] rcu_dump_cpu_stacks+0x175/0x1c2 [ 440.539148] 3503 [ 440.540949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.540972] print_cpu_stall.cold.78+0x2d3/0x524 [ 440.545363] 3503 [ 440.547424] ? rcu_dynticks_snap+0x30/0x30 [ 440.557196] ? lock_downgrade+0x900/0x900 [ 440.559228] Node 0 [ 440.563458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.567614] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 440.569827] ? check_preemption_disabled+0x48/0x200 [ 440.575335] lowmem_reserve[]: [ 440.603961] ? check_preemption_disabled+0x48/0x200 [ 440.608953] 0 0 [ 440.612067] ? rcu_test_sync_prims+0x30/0x30 [ 440.617054] 0 0 [ 440.619043] ? __lock_is_held+0xb5/0x140 [ 440.625403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.629438] Node 0 DMA: [ 440.634991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.634995] 1*4kB (U) [ 440.637682] ? check_preemption_disabled+0x48/0x200 [ 440.643196] 0*8kB [ 440.645691] rcu_check_callbacks+0xfd9/0x1990 [ 440.650693] 0*16kB 1*32kB [ 440.652867] ? rcu_cpu_stall_reset+0x220/0x220 [ 440.657334] (U) [ 440.660178] ? lock_release+0x970/0x970 [ 440.664743] 2*64kB [ 440.666728] ? graph_lock+0x170/0x170 [ 440.670685] (U) [ 440.672929] ? graph_lock+0x170/0x170 [ 440.676709] 1*128kB (U) [ 440.678695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.682471] 1*256kB [ 440.685141] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 440.690654] (U) [ 440.692974] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 440.697539] 0*512kB [ 440.699534] ? graph_lock+0x170/0x170 [ 440.705724] 1*1024kB [ 440.708056] ? timekeeping_advance+0x3cc/0xc00 [ 440.711843] (U) [ 440.714249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.718833] 1*2048kB [ 440.720810] ? check_preemption_disabled+0x48/0x200 [ 440.726324] (M) [ 440.728732] ? check_preemption_disabled+0x48/0x200 [ 440.733727] 3*4096kB [ 440.735708] ? trace_hardirqs_off+0xb8/0x300 [ 440.740697] (M) [ 440.743102] ? __lock_is_held+0xb5/0x140 [ 440.747503] = 15908kB [ 440.749482] ? trace_hardirqs_on+0x310/0x310 [ 440.753522] Node 0 [ 440.755935] ? check_preemption_disabled+0x48/0x200 [ 440.760334] DMA32: [ 440.762574] ? raise_softirq+0x199/0x420 [ 440.767560] 4*4kB [ 440.769790] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 440.773829] (UM) [ 440.775975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.780613] 1*8kB (M) [ 440.782682] ? check_preemption_disabled+0x48/0x200 [ 440.788200] 3*16kB [ 440.790695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.795687] (M) [ 440.797918] ? hrtimer_run_queues+0x9a/0x400 [ 440.803436] 3*32kB (M) [ 440.805418] ? run_local_timers+0x19b/0x230 [ 440.809806] 1*64kB [ 440.812399] ? timer_clear_idle+0x90/0x90 [ 440.816722] (M) [ 440.818968] ? debug_smp_processor_id+0x1c/0x20 [ 440.823093] 3*128kB [ 440.825066] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 440.829715] (UM) [ 440.832034] ? account_process_tick+0x282/0x350 [ 440.837980] 3*256kB [ 440.840043] update_process_times+0x2d/0x70 [ 440.844686] (UM) [ 440.847023] tick_sched_handle+0x9f/0x180 [ 440.851317] 4*512kB [ 440.853372] tick_sched_timer+0x45/0x130 [ 440.857488] (UM) 3*1024kB [ 440.859819] __hrtimer_run_queues+0x41c/0x10d0 [ 440.863859] (M) [ 440.866704] ? tick_sched_do_timer+0x1a0/0x1a0 [ 440.871260] 3*2048kB [ 440.873233] ? hrtimer_start_range_ns+0xe00/0xe00 [ 440.877803] (M) [ 440.880214] ? pvclock_read_flags+0x160/0x160 [ 440.885031] 3*4096kB [ 440.887005] ? trace_hardirqs_on+0x310/0x310 [ 440.891473] (M) [ 440.893913] ? graph_lock+0x170/0x170 [ 440.898298] = 24936kB [ 440.900274] ? kvm_clock_read+0x18/0x30 [ 440.904047] Node 0 [ 440.906462] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.910413] Normal: [ 440.912674] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 440.917682] 1267*4kB [ 440.920003] ? do_timer+0x50/0x50 [ 440.925345] (UMEH) [ 440.927754] ? trace_hardirqs_on+0x310/0x310 [ 440.931184] 430*8kB [ 440.933449] ? do_raw_spin_lock+0xc1/0x200 [ 440.937825] (UMEH) [ 440.940148] hrtimer_interrupt+0x313/0x780 [ 440.944356] 212*16kB [ 440.946614] smp_apic_timer_interrupt+0x1a1/0x760 [ 440.950805] (UMEH) [ 440.953236] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.958047] 35*32kB (MH) [ 440.960287] ? interrupt_entry+0xb5/0xf0 [ 440.966148] 9*64kB [ 440.968913] ? trace_hardirqs_off_caller+0xbb/0x300 [ 440.972956] (MH) [ 440.975193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.980180] 1*128kB (H) [ 440.982255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.986897] 1*256kB [ 440.989578] ? trace_hardirqs_off+0x300/0x300 [ 440.994399] (H) [ 440.996745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.001209] 0*512kB [ 441.003190] apic_timer_interrupt+0xf/0x20 [ 441.008003] 0*1024kB [ 441.010343] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 441.014549] 0*2048kB [ 441.016957] Code: 40 7e 0f 85 32 ff ff ff e8 e5 d2 3e ff e9 28 ff ff ff e8 fc 2f c3 ff 48 83 3d 9c 7e 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 f2 7a [ 441.016969] RSP: 0000:ffff8801dad071d8 EFLAGS: 00000282 [ 441.022320] 0*4096kB [ 441.024721] ORIG_RAX: ffffffffffffff13 [ 441.043605] = 13980kB [ 441.043620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 441.048981] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003484257e [ 441.051390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 441.055351] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 441.057753] 4516 total pagecache pages [ 441.066592] RBP: ffff8801dad07248 R08: ffff8801a4212bf0 R09: 0000000000000002 [ 441.066618] R10: 0000000000000000 R11: ffff8801a4212300 R12: ffff8801d9a04040 [ 441.073883] 0 pages in swap cache [ 441.082449] R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000282 [ 441.082481] ? apic_timer_interrupt+0xa/0x20 [ 441.089719] Swap cache stats: add 0, delete 0, find 0/0 [ 441.089729] Free swap = 0kB [ 441.093652] ? mark_held_locks+0xc7/0x130 [ 441.100886] Total swap = 0kB [ 441.100895] 1965979 pages RAM [ 441.108190] __alloc_skb+0x119/0x770 [ 441.111613] 0 pages HighMem/MovableOnly [ 441.111622] 343324 pages reserved [ 441.118901] ? skb_scrub_packet+0x490/0x490 [ 441.123284] 0 pages cma reserved [ 441.128646] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 441.131737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.135778] ? queue_work_on+0x12c/0x1e0 [ 441.138851] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.141880] ? switchdev_port_obj_del+0xdc/0x450 [ 441.145569] ksoftirqd/0 cpuset= [ 441.149545] ? switchdev_trans_item_enqueue+0x260/0x260 [ 441.152975] / [ 441.157299] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 441.160643] mems_allowed=0 [ 441.165223] __br_mdb_notify+0x4ff/0x15d0 [ 441.213150] ? __br_mdb_add+0x800/0x800 [ 441.217124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.222670] ? __lock_acquire+0x7ec/0x4ec0 [ 441.226921] ? kasan_check_read+0x11/0x20 [ 441.231082] ? debug_object_init_on_stack+0x20/0x20 [ 441.236096] ? graph_lock+0x170/0x170 [ 441.239898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.245448] br_mdb_notify+0x310/0x410 [ 441.249341] ? br_mdb_dump+0x2530/0x2530 [ 441.253416] br_multicast_del_pg+0x3df/0x790 [ 441.257846] ? br_mdb_ip_get+0x940/0x940 [ 441.261916] ? kasan_check_write+0x14/0x20 [ 441.266167] ? do_raw_spin_lock+0xc1/0x200 [ 441.270409] br_multicast_port_group_expired+0x189/0x1e0 [ 441.275874] call_timer_fn+0x272/0x920 [ 441.279762] ? br_multicast_del_pg+0x790/0x790 [ 441.284353] ? process_timeout+0x40/0x40 [ 441.288411] ? find_held_lock+0x36/0x1c0 [ 441.292486] ? __run_timers+0x7da/0xc70 [ 441.296470] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.300964] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.305485] ? br_multicast_del_pg+0x790/0x790 [ 441.310066] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 441.314679] ? trace_hardirqs_on+0xbd/0x310 [ 441.318996] ? kasan_check_read+0x11/0x20 [ 441.323168] ? __run_timers+0x7da/0xc70 [ 441.327157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.332617] ? br_multicast_del_pg+0x790/0x790 [ 441.337217] ? br_multicast_del_pg+0x790/0x790 [ 441.341804] __run_timers+0x7e5/0xc70 [ 441.345621] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 441.350988] ? check_preemption_disabled+0x48/0x200 [ 441.356005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.361560] ? rcu_irq_exit+0xce/0x100 [ 441.365456] ? irq_exit+0xbd/0x1c0 [ 441.369000] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 441.374033] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.378797] ? retint_kernel+0x2d/0x2d [ 441.382688] ? trace_hardirqs_on_caller+0xc0/0x300 [ 441.387622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.392379] ? trace_hardirqs_off_caller+0x300/0x300 [ 441.397489] ? graph_lock+0x170/0x170 [ 441.401294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.406832] ? check_preemption_disabled+0x48/0x200 [ 441.411866] ? __lock_is_held+0xb5/0x140 [ 441.415932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.421472] ? check_preemption_disabled+0x48/0x200 [ 441.426497] run_timer_softirq+0x52/0xb0 [ 441.430568] ? rcu_read_lock_sched_held+0x108/0x120 [ 441.435590] __do_softirq+0x30b/0xad8 [ 441.439402] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 441.444519] ? pvclock_read_flags+0x160/0x160 [ 441.449022] ? lapic_next_event+0x5a/0x90 [ 441.453178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.458730] ? check_preemption_disabled+0x48/0x200 [ 441.463742] ? check_preemption_disabled+0x48/0x200 [ 441.468778] ? kvm_clock_read+0x18/0x30 [ 441.472764] ? kvm_sched_clock_read+0x9/0x20 [ 441.477182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.482719] ? check_preemption_disabled+0x48/0x200 [ 441.487751] irq_exit+0x17f/0x1c0 [ 441.491214] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.496058] ? smp_reschedule_interrupt+0x109/0x650 [ 441.501080] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.506990] ? interrupt_entry+0xb5/0xf0 [ 441.511052] ? trace_hardirqs_off_caller+0xbb/0x300 [ 441.516070] ? trace_hardirqs_off_caller+0xbb/0x300 [ 441.521089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.525931] ? trace_hardirqs_off+0x300/0x300 [ 441.530434] ? trace_hardirqs_off+0x300/0x300 [ 441.534934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.540501] ? check_preemption_disabled+0x48/0x200 [ 441.545545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.551090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.555952] apic_timer_interrupt+0xf/0x20 [ 441.560181] [ 441.562422] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 441.567382] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 441.586365] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 441.594073] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 441.601338] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 441.608615] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 441.615878] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 441.623146] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 441.630472] skb_clone+0x1bb/0x500 [ 441.634048] ? skb_split+0x11e0/0x11e0 [ 441.637958] ? preempt_notifier_register+0x200/0x200 [ 441.643067] ? __switch_to_asm+0x34/0x70 [ 441.647145] ? __switch_to_asm+0x34/0x70 [ 441.651205] ? __switch_to_asm+0x40/0x70 [ 441.655266] ? __switch_to_asm+0x34/0x70 [ 441.659324] ? __switch_to_asm+0x40/0x70 [ 441.663385] ? __switch_to_asm+0x40/0x70 [ 441.667450] ? __switch_to_asm+0x34/0x70 [ 441.671513] ? __switch_to_asm+0x34/0x70 [ 441.675581] ? __switch_to_asm+0x40/0x70 [ 441.679641] ? __switch_to_asm+0x34/0x70 [ 441.683723] bpf_clone_redirect+0xb9/0x490 [ 441.687992] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 441.693014] ? __sched_text_start+0x8/0x8 [ 441.697181] ? retint_kernel+0x2d/0x2d [ 441.701079] ? find_held_lock+0x36/0x1c0 [ 441.705156] ? lock_acquire+0x1ed/0x520 [ 441.709131] ? bpf_test_run+0x32e/0x5a0 [ 441.713110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.718652] ? check_preemption_disabled+0x48/0x200 [ 441.723678] ? kasan_check_read+0x11/0x20 [ 441.727848] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 441.733146] ? rcu_bh_qs+0xc0/0xc0 [ 441.736694] ? preempt_schedule+0x4d/0x60 [ 441.740845] ? ___preempt_schedule+0x16/0x18 [ 441.745260] ? bpf_test_run+0x1c0/0x5a0 [ 441.749245] ? netlink_diag_dump+0x2a0/0x2a0 [ 441.753684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.759221] ? bpf_test_init.isra.9+0x70/0x100 [ 441.763809] ? bpf_prog_test_run_skb+0x634/0xb40 [ 441.768573] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.773416] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 441.778967] ? fput+0x130/0x1a0 [ 441.782253] ? __bpf_prog_get+0x9b/0x290 [ 441.786316] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.791157] ? bpf_prog_test_run+0x130/0x1a0 [ 441.795569] ? __x64_sys_bpf+0x3d8/0x510 [ 441.799630] ? bpf_prog_get+0x20/0x20 [ 441.803458] ? do_syscall_64+0x1b9/0x820 [ 441.807520] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 441.812896] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.817829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.822677] ? trace_hardirqs_off+0x300/0x300 [ 441.827178] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 441.832210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.837757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 441.842782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.847639] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 441.853030] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 441.853665] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.859802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.859810] Call Trace: [ 441.870286] syz-executor1 cpuset= [ 441.879679] dump_stack+0x1c4/0x2b4 [ 441.882242] syz1 [ 441.885689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 441.889293] mems_allowed=0 [ 441.891275] warn_alloc.cold.118+0xb7/0x1bd [ 441.903664] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.908514] ? lock_downgrade+0x900/0x900 [ 441.912680] ? trace_hardirqs_off+0xb8/0x300 [ 441.917099] ? trace_hardirqs_off+0xb8/0x300 [ 441.921529] __alloc_pages_slowpath+0x2667/0x2d80 [ 441.926409] ? warn_alloc+0x120/0x120 [ 441.930221] ? warn_alloc+0x120/0x120 [ 441.934027] ? print_usage_bug+0xc0/0xc0 [ 441.938090] ? warn_alloc+0x120/0x120 [ 441.941892] ? print_usage_bug+0xc0/0xc0 [ 441.945980] ? __lock_acquire+0x7ec/0x4ec0 [ 441.950218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.955789] ? should_fail+0x22d/0xd01 [ 441.959701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.964805] ? __lock_acquire+0x7ec/0x4ec0 [ 441.969053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.974169] ? __lock_acquire+0x7ec/0x4ec0 [ 441.978415] ? should_fail+0x22d/0xd01 [ 441.982319] ? mark_held_locks+0x130/0x130 [ 441.986560] ? mark_held_locks+0x130/0x130 [ 441.990794] ? graph_lock+0x170/0x170 [ 441.994598] ? graph_lock+0x170/0x170 [ 441.998887] ? graph_lock+0x170/0x170 [ 442.002687] ? print_usage_bug+0xc0/0xc0 [ 442.006762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.012299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.017834] ? check_preemption_disabled+0x48/0x200 [ 442.022871] ? check_preemption_disabled+0x48/0x200 [ 442.027895] ? __lock_is_held+0xb5/0x140 [ 442.031971] __alloc_pages_nodemask+0xa80/0xde0 [ 442.036643] ? graph_lock+0x170/0x170 [ 442.040461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 442.045473] ? graph_lock+0x170/0x170 [ 442.049286] ? find_held_lock+0x36/0x1c0 [ 442.053355] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.058025] ? lock_downgrade+0x900/0x900 [ 442.062193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.067749] cache_grow_begin+0x91/0x8c0 [ 442.071825] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.076246] fallback_alloc+0x203/0x2e0 [ 442.080232] ____cache_alloc_node+0x1c7/0x1e0 [ 442.084735] kmem_cache_alloc_node+0xe3/0x730 [ 442.089233] ? ipv6_get_ifaddr+0x42e/0x620 [ 442.093491] __alloc_skb+0x119/0x770 [ 442.097205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 442.102484] ? skb_scrub_packet+0x490/0x490 [ 442.107029] ? lock_downgrade+0x900/0x900 [ 442.111189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.116732] ? refcount_sub_and_test_checked+0x203/0x310 [ 442.122190] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.127648] ? addrconf_rs_timer+0x6f0/0x6f0 [ 442.132073] ndisc_alloc_skb+0x144/0x340 [ 442.136140] ndisc_send_rs+0x331/0x6e0 [ 442.140061] addrconf_rs_timer+0x3c0/0x6f0 [ 442.144306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.148558] call_timer_fn+0x272/0x920 [ 442.152461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.156703] ? process_timeout+0x40/0x40 [ 442.160767] ? find_held_lock+0x36/0x1c0 [ 442.164839] ? __run_timers+0x7da/0xc70 [ 442.168849] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.173353] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.177870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.182107] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 442.186697] ? trace_hardirqs_on+0xbd/0x310 [ 442.191049] ? kasan_check_read+0x11/0x20 [ 442.195224] ? __run_timers+0x7da/0xc70 [ 442.199211] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.204671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.208916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.213155] __run_timers+0x7e5/0xc70 [ 442.216977] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.222367] ? compat_start_thread+0x80/0x80 [ 442.226782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.232350] ? _raw_spin_unlock_irq+0x60/0x80 [ 442.236862] ? finish_task_switch+0x1f5/0x900 [ 442.241354] ? finish_task_switch+0x1b5/0x900 [ 442.245849] ? __switch_to_asm+0x34/0x70 [ 442.249914] ? preempt_notifier_register+0x200/0x200 [ 442.255028] ? __switch_to_asm+0x34/0x70 [ 442.259113] ? __switch_to_asm+0x40/0x70 [ 442.263174] ? __switch_to_asm+0x34/0x70 [ 442.267234] ? __switch_to_asm+0x40/0x70 [ 442.271294] ? __switch_to_asm+0x34/0x70 [ 442.275350] ? __switch_to_asm+0x40/0x70 [ 442.279407] ? __switch_to_asm+0x40/0x70 [ 442.283476] ? pvclock_read_flags+0x160/0x160 [ 442.287976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.293518] ? check_preemption_disabled+0x48/0x200 [ 442.298545] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 442.303827] ? rcu_pm_notify+0xc0/0xc0 [ 442.307715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.313254] ? check_preemption_disabled+0x48/0x200 [ 442.318281] run_timer_softirq+0x52/0xb0 [ 442.322341] ? rcu_read_lock_sched_held+0x108/0x120 [ 442.327361] __do_softirq+0x30b/0xad8 [ 442.331187] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 442.336291] ? trace_hardirqs_off_caller+0x300/0x300 [ 442.341401] ? retint_kernel+0x1b/0x2d [ 442.345329] ? schedule+0x108/0x460 [ 442.348969] ? __schedule+0x1ed0/0x1ed0 [ 442.352986] ? trace_hardirqs_off+0xb8/0x300 [ 442.357398] ? ___might_sleep+0x1ed/0x300 [ 442.361561] ? smpboot_thread_fn+0x68b/0xa00 [ 442.365969] ? trace_hardirqs_on+0x310/0x310 [ 442.370381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.375917] ? check_preemption_disabled+0x48/0x200 [ 442.380944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.386487] ? takeover_tasklets+0xa90/0xa90 [ 442.390912] run_ksoftirqd+0x94/0x100 [ 442.394719] smpboot_thread_fn+0x68b/0xa00 [ 442.398974] ? sort_range+0x30/0x30 [ 442.402608] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.407715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.413252] ? __kthread_parkme+0xfb/0x1a0 [ 442.417518] kthread+0x35a/0x420 [ 442.420890] ? sort_range+0x30/0x30 [ 442.424517] ? kthread_bind+0x40/0x40 [ 442.428323] ret_from_fork+0x3a/0x50 [ 442.432055] Mem-Info: [ 442.432068] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 442.432094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.434524] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 442.434524] active_file:18 inactive_file:31 isolated_file:0 [ 442.434524] unevictable:0 dirty:0 writeback:0 unstable:0 [ 442.434524] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 442.434524] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 442.434524] free:13670 free_pcp:352 free_cma:0 [ 442.441782] Call Trace: [ 442.451183] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 442.484205] [ 442.486776] Node 0 [ 442.514725] dump_stack+0x1c4/0x2b4 [ 442.516877] 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 [ 442.519088] ? dump_stack_print_info.cold.2+0x52/0x52 [ 442.522684] lowmem_reserve[]: 0 [ 442.548223] warn_alloc.cold.118+0xb7/0x1bd [ 442.553376] 2815 6318 [ 442.556666] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.560967] 6318 [ 442.563466] ? lock_downgrade+0x900/0x900 [ 442.570352] ? trace_hardirqs_off+0xb8/0x300 [ 442.574468] Node 0 DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 442.578934] ? trace_hardirqs_off+0xb8/0x300 [ 442.578958] __alloc_pages_slowpath+0x2667/0x2d80 [ 442.606251] lowmem_reserve[]: 0 [ 442.610694] ? warn_alloc+0x120/0x120 [ 442.615486] 0 [ 442.618764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.622541] 3503 [ 442.624342] ? warn_alloc+0x120/0x120 [ 442.629336] 3503 [ 442.631397] ? print_usage_bug+0xc0/0xc0 [ 442.637233] ? warn_alloc+0x120/0x120 [ 442.641269] Node 0 [ 442.645064] ? print_usage_bug+0xc0/0xc0 [ 442.645095] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 442.645103] lowmem_reserve[]: [ 442.647337] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.651374] 0 [ 442.681389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.684463] 0 [ 442.689654] ? should_fail+0x22d/0xd01 [ 442.691476] 0 [ 442.697006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.698782] 0 [ 442.702664] ? __lock_acquire+0x7ec/0x4ec0 [ 442.709553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.711332] Node 0 [ 442.715565] ? should_fail+0x22d/0xd01 [ 442.720645] DMA: [ 442.722882] ? mark_held_locks+0x130/0x130 [ 442.726742] 1*4kB [ 442.728801] ? mark_held_locks+0x130/0x130 [ 442.733011] (U) [ 442.735159] ? print_usage_bug+0xc0/0xc0 [ 442.739386] 0*8kB [ 442.741355] ? find_held_lock+0x36/0x1c0 [ 442.745398] 0*16kB [ 442.747545] ? graph_lock+0x170/0x170 [ 442.751583] 1*32kB [ 442.753820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.757591] (U) [ 442.759821] ? check_preemption_disabled+0x48/0x200 [ 442.765335] 2*64kB [ 442.767306] ? check_preemption_disabled+0x48/0x200 [ 442.772299] (U) [ 442.774552] ? __lock_is_held+0xb5/0x140 [ 442.779541] 1*128kB [ 442.781520] __alloc_pages_nodemask+0xa80/0xde0 [ 442.785582] (U) [ 442.787909] ? graph_lock+0x170/0x170 [ 442.792557] 1*256kB [ 442.794538] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 442.798310] (U) [ 442.800654] ? graph_lock+0x170/0x170 [ 442.805648] 0*512kB [ 442.807633] ? find_held_lock+0x36/0x1c0 [ 442.811404] 1*1024kB [ 442.813759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.817804] (U) [ 442.820208] ? lock_downgrade+0x900/0x900 [ 442.824852] 1*2048kB [ 442.826833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.830957] (M) [ 442.833389] cache_grow_begin+0x91/0x8c0 [ 442.838917] 3*4096kB [ 442.840896] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.844936] (M) [ 442.847344] fallback_alloc+0x203/0x2e0 [ 442.851727] = 15908kB [ 442.853727] ____cache_alloc_node+0x1c7/0x1e0 [ 442.857677] Node 0 [ 442.860086] kmem_cache_alloc_node+0xe3/0x730 [ 442.864582] DMA32: [ 442.866828] ? mark_held_locks+0xc7/0x130 [ 442.871297] 4*4kB [ 442.873581] __alloc_skb+0x119/0x770 [ 442.877688] (UM) [ 442.879968] ? skb_scrub_packet+0x490/0x490 [ 442.883662] 1*8kB [ 442.885724] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 442.890031] (M) [ 442.892177] ? queue_work_on+0x12c/0x1e0 [ 442.896727] 3*16kB (M) [ 442.898709] ? switchdev_port_obj_del+0xdc/0x450 [ 442.902743] 3*32kB [ 442.905325] ? switchdev_trans_item_enqueue+0x260/0x260 [ 442.910058] (M) [ 442.912307] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 442.917639] 1*64kB (M) [ 442.919626] __br_mdb_notify+0x4ff/0x15d0 [ 442.924615] 3*128kB [ 442.927199] ? __br_mdb_add+0x800/0x800 [ 442.931319] (UM) [ 442.933638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.937591] 3*256kB [ 442.939652] ? __lock_acquire+0x7ec/0x4ec0 [ 442.945162] (UM) [ 442.947484] ? kasan_check_read+0x11/0x20 [ 442.951693] 4*512kB [ 442.953748] ? debug_object_init_on_stack+0x20/0x20 [ 442.957866] (UM) [ 442.960188] ? graph_lock+0x170/0x170 [ 442.965186] 3*1024kB [ 442.967245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.971020] (M) [ 442.973428] br_mdb_notify+0x310/0x410 [ 442.978939] 3*2048kB [ 442.980909] ? br_mdb_dump+0x2530/0x2530 [ 442.984777] (M) [ 442.987196] br_multicast_del_pg+0x3df/0x790 [ 442.991224] 3*4096kB [ 442.993196] ? br_mdb_ip_get+0x940/0x940 [ 442.997585] (M) [ 442.999991] ? kasan_check_write+0x14/0x20 [ 443.004027] = 24936kB [ 443.006000] ? do_raw_spin_lock+0xc1/0x200 [ 443.010206] Node 0 [ 443.012613] br_multicast_port_group_expired+0x189/0x1e0 [ 443.016841] Normal: [ 443.019074] call_timer_fn+0x272/0x920 [ 443.024497] 1267*4kB [ 443.026811] ? br_multicast_del_pg+0x790/0x790 [ 443.030673] (UMEH) [ 443.033124] ? process_timeout+0x40/0x40 [ 443.037704] 430*8kB [ 443.039939] ? find_held_lock+0x36/0x1c0 [ 443.043982] (UMEH) [ 443.046304] ? __run_timers+0x7da/0xc70 [ 443.050347] 212*16kB [ 443.052587] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.056530] (UMEH) 35*32kB (MH) [ 443.058954] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.063423] 9*64kB (MH) [ 443.066803] ? br_multicast_del_pg+0x790/0x790 [ 443.071279] 1*128kB [ 443.073957] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 443.078512] (H) [ 443.080844] ? trace_hardirqs_on+0xbd/0x310 [ 443.085408] 1*256kB [ 443.087417] ? kasan_check_read+0x11/0x20 [ 443.091725] (H) [ 443.094047] ? __run_timers+0x7da/0xc70 [ 443.098170] 0*512kB [ 443.100146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.104096] 0*1024kB [ 443.106422] ? br_multicast_del_pg+0x790/0x790 [ 443.111847] 0*2048kB [ 443.114247] ? br_multicast_del_pg+0x790/0x790 [ 443.118804] 0*4096kB [ 443.121206] __run_timers+0x7e5/0xc70 [ 443.125764] = 13980kB [ 443.128179] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 443.131968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.134367] ? check_preemption_disabled+0x48/0x200 [ 443.139709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.148543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.153526] 4516 total pagecache pages [ 443.162110] ? rcu_irq_exit+0xce/0x100 [ 443.167635] 0 pages in swap cache [ 443.171515] ? irq_exit+0xbd/0x1c0 [ 443.175377] Swap cache stats: add 0, delete 0, find 0/0 [ 443.178838] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 443.182352] Free swap = 0kB [ 443.187713] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 443.192699] Total swap = 0kB [ 443.195709] ? retint_kernel+0x2d/0x2d [ 443.200445] 1965979 pages RAM [ 443.203476] ? trace_hardirqs_on_caller+0xc0/0x300 [ 443.207339] 0 pages HighMem/MovableOnly [ 443.210446] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 443.215350] 343324 pages reserved [ 443.219317] ? trace_hardirqs_off_caller+0x300/0x300 [ 443.224048] 0 pages cma reserved [ 443.227500] ? graph_lock+0x170/0x170 [ 443.232694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 443.235951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.239865] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.246241] ? check_preemption_disabled+0x48/0x200 [ 443.251754] ksoftirqd/0 cpuset= [ 443.262067] ? __lock_is_held+0xb5/0x140 [ 443.267053] / [ 443.270329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.274384] mems_allowed=0 [ 443.276103] ? check_preemption_disabled+0x48/0x200 [ 443.289576] run_timer_softirq+0x52/0xb0 [ 443.293640] ? rcu_read_lock_sched_held+0x108/0x120 [ 443.298662] __do_softirq+0x30b/0xad8 [ 443.302487] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 443.307609] ? pvclock_read_flags+0x160/0x160 [ 443.312105] ? lapic_next_event+0x5a/0x90 [ 443.316253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.321792] ? check_preemption_disabled+0x48/0x200 [ 443.326806] ? check_preemption_disabled+0x48/0x200 [ 443.331831] ? kvm_clock_read+0x18/0x30 [ 443.335817] ? kvm_sched_clock_read+0x9/0x20 [ 443.340242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.345794] ? check_preemption_disabled+0x48/0x200 [ 443.350855] irq_exit+0x17f/0x1c0 [ 443.354325] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.359168] ? smp_reschedule_interrupt+0x109/0x650 [ 443.364186] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.370069] ? interrupt_entry+0xb5/0xf0 [ 443.374133] ? trace_hardirqs_off_caller+0xbb/0x300 [ 443.379148] ? trace_hardirqs_off_caller+0xbb/0x300 [ 443.384181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.389024] ? trace_hardirqs_off+0x300/0x300 [ 443.393520] ? trace_hardirqs_off+0x300/0x300 [ 443.398028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.403572] ? check_preemption_disabled+0x48/0x200 [ 443.408588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.414134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.418999] apic_timer_interrupt+0xf/0x20 [ 443.423240] [ 443.425486] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 443.430423] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 443.449344] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 443.457062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 443.464329] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 443.471594] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 443.478859] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 443.486124] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 443.493449] skb_clone+0x1bb/0x500 [ 443.497011] ? skb_split+0x11e0/0x11e0 [ 443.500903] ? preempt_notifier_register+0x200/0x200 [ 443.506018] ? __switch_to_asm+0x34/0x70 [ 443.510078] ? __switch_to_asm+0x34/0x70 [ 443.514162] ? __switch_to_asm+0x40/0x70 [ 443.518233] ? __switch_to_asm+0x34/0x70 [ 443.522302] ? __switch_to_asm+0x40/0x70 [ 443.526364] ? __switch_to_asm+0x40/0x70 [ 443.530422] ? __switch_to_asm+0x34/0x70 [ 443.534486] ? __switch_to_asm+0x34/0x70 [ 443.538554] ? __switch_to_asm+0x40/0x70 [ 443.542615] ? __switch_to_asm+0x34/0x70 [ 443.546688] bpf_clone_redirect+0xb9/0x490 [ 443.550973] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 443.556001] ? __sched_text_start+0x8/0x8 [ 443.560156] ? retint_kernel+0x2d/0x2d [ 443.564062] ? find_held_lock+0x36/0x1c0 [ 443.568133] ? lock_acquire+0x1ed/0x520 [ 443.572107] ? bpf_test_run+0x32e/0x5a0 [ 443.576087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.581628] ? check_preemption_disabled+0x48/0x200 [ 443.586652] ? kasan_check_read+0x11/0x20 [ 443.590805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 443.596085] ? rcu_bh_qs+0xc0/0xc0 [ 443.599630] ? preempt_schedule+0x4d/0x60 [ 443.603786] ? ___preempt_schedule+0x16/0x18 [ 443.608209] ? bpf_test_run+0x1c0/0x5a0 [ 443.612222] ? netlink_diag_dump+0x2a0/0x2a0 [ 443.616653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.622191] ? bpf_test_init.isra.9+0x70/0x100 [ 443.626777] ? bpf_prog_test_run_skb+0x634/0xb40 [ 443.631552] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 443.636392] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 443.641931] ? fput+0x130/0x1a0 [ 443.645242] ? __bpf_prog_get+0x9b/0x290 [ 443.649307] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 443.654150] ? bpf_prog_test_run+0x130/0x1a0 [ 443.658571] ? __x64_sys_bpf+0x3d8/0x510 [ 443.662636] ? bpf_prog_get+0x20/0x20 [ 443.666463] ? do_syscall_64+0x1b9/0x820 [ 443.670537] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 443.675902] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.680835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.685682] ? trace_hardirqs_off+0x300/0x300 [ 443.690177] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 443.695197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.700732] ? prepare_exit_to_usermode+0x291/0x3b0 [ 443.705757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.710618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 443.716016] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 443.716265] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.722791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.733260] syz-executor1 cpuset= [ 443.742596] Call Trace: [ 443.742606] syz1 [ 443.746054] dump_stack+0x1c4/0x2b4 [ 443.748614] mems_allowed=0 [ 443.750585] ? dump_stack_print_info.cold.2+0x52/0x52 [ 443.762343] warn_alloc.cold.118+0xb7/0x1bd [ 443.766668] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.771513] ? lock_downgrade+0x900/0x900 [ 443.775689] ? trace_hardirqs_off+0xb8/0x300 [ 443.780102] ? trace_hardirqs_off+0xb8/0x300 [ 443.784520] __alloc_pages_slowpath+0x2667/0x2d80 [ 443.789395] ? warn_alloc+0x120/0x120 [ 443.793202] ? warn_alloc+0x120/0x120 [ 443.797004] ? print_usage_bug+0xc0/0xc0 [ 443.801066] ? warn_alloc+0x120/0x120 [ 443.804880] ? print_usage_bug+0xc0/0xc0 [ 443.808950] ? __lock_acquire+0x7ec/0x4ec0 [ 443.813189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.818735] ? should_fail+0x22d/0xd01 [ 443.822629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.827739] ? __lock_acquire+0x7ec/0x4ec0 [ 443.831978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.837084] ? __lock_acquire+0x7ec/0x4ec0 [ 443.841319] ? should_fail+0x22d/0xd01 [ 443.845205] ? print_usage_bug+0xc0/0xc0 [ 443.849277] ? mark_held_locks+0x130/0x130 [ 443.853544] ? mark_held_locks+0x130/0x130 [ 443.857802] ? graph_lock+0x170/0x170 [ 443.861610] ? print_usage_bug+0xc0/0xc0 [ 443.865672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 443.870436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.875974] ? check_preemption_disabled+0x48/0x200 [ 443.880987] ? check_preemption_disabled+0x48/0x200 [ 443.886014] ? __lock_is_held+0xb5/0x140 [ 443.890087] __alloc_pages_nodemask+0xa80/0xde0 [ 443.894759] ? graph_lock+0x170/0x170 [ 443.898568] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 443.903629] ? graph_lock+0x170/0x170 [ 443.907464] ? find_held_lock+0x36/0x1c0 [ 443.911542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.916215] ? lock_downgrade+0x900/0x900 [ 443.920378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.925926] cache_grow_begin+0x91/0x8c0 [ 443.929998] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.934418] fallback_alloc+0x203/0x2e0 [ 443.938403] ____cache_alloc_node+0x1c7/0x1e0 [ 443.942906] kmem_cache_alloc_node+0xe3/0x730 [ 443.947412] ? ipv6_get_ifaddr+0x42e/0x620 [ 443.951661] __alloc_skb+0x119/0x770 [ 443.955376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 443.960653] ? skb_scrub_packet+0x490/0x490 [ 443.964975] ? lock_downgrade+0x900/0x900 [ 443.969139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.974677] ? refcount_sub_and_test_checked+0x203/0x310 [ 443.980139] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 443.985587] ? addrconf_rs_timer+0x6f0/0x6f0 [ 443.990021] ndisc_alloc_skb+0x144/0x340 [ 443.994099] ndisc_send_rs+0x331/0x6e0 [ 443.998445] addrconf_rs_timer+0x3c0/0x6f0 [ 444.002705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.006964] call_timer_fn+0x272/0x920 [ 444.010869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.015122] ? process_timeout+0x40/0x40 [ 444.019179] ? find_held_lock+0x36/0x1c0 [ 444.023250] ? __run_timers+0x7da/0xc70 [ 444.027230] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.031742] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.036241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.040478] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 444.045076] ? trace_hardirqs_on+0xbd/0x310 [ 444.049409] ? kasan_check_read+0x11/0x20 [ 444.053565] ? __run_timers+0x7da/0xc70 [ 444.057552] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.063023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.067268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.071504] __run_timers+0x7e5/0xc70 [ 444.075341] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 444.080705] ? compat_start_thread+0x80/0x80 [ 444.085132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.090691] ? _raw_spin_unlock_irq+0x60/0x80 [ 444.095189] ? finish_task_switch+0x1f5/0x900 [ 444.099684] ? finish_task_switch+0x1b5/0x900 [ 444.104177] ? __switch_to_asm+0x34/0x70 [ 444.108473] ? preempt_notifier_register+0x200/0x200 [ 444.113576] ? __switch_to_asm+0x34/0x70 [ 444.117638] ? __switch_to_asm+0x40/0x70 [ 444.121722] ? __switch_to_asm+0x34/0x70 [ 444.125779] ? __switch_to_asm+0x40/0x70 [ 444.129842] ? __switch_to_asm+0x34/0x70 [ 444.133901] ? __switch_to_asm+0x40/0x70 [ 444.137973] ? __switch_to_asm+0x40/0x70 [ 444.142042] ? pvclock_read_flags+0x160/0x160 [ 444.146537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.152103] ? check_preemption_disabled+0x48/0x200 [ 444.157130] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 444.162414] ? rcu_pm_notify+0xc0/0xc0 [ 444.166309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.171847] ? check_preemption_disabled+0x48/0x200 [ 444.176877] run_timer_softirq+0x52/0xb0 [ 444.180955] ? rcu_read_lock_sched_held+0x108/0x120 [ 444.185980] __do_softirq+0x30b/0xad8 [ 444.189795] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 444.194938] ? trace_hardirqs_off_caller+0x300/0x300 [ 444.200041] ? retint_kernel+0x1b/0x2d [ 444.203943] ? schedule+0x108/0x460 [ 444.207573] ? __schedule+0x1ed0/0x1ed0 [ 444.211554] ? trace_hardirqs_off+0xb8/0x300 [ 444.215970] ? ___might_sleep+0x1ed/0x300 [ 444.220117] ? smpboot_thread_fn+0x68b/0xa00 [ 444.224528] ? trace_hardirqs_on+0x310/0x310 [ 444.228949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.234486] ? check_preemption_disabled+0x48/0x200 [ 444.239514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.245062] ? takeover_tasklets+0xa90/0xa90 [ 444.249477] run_ksoftirqd+0x94/0x100 [ 444.253277] smpboot_thread_fn+0x68b/0xa00 [ 444.257513] ? sort_range+0x30/0x30 [ 444.261142] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.266247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.271786] ? __kthread_parkme+0xfb/0x1a0 [ 444.276026] kthread+0x35a/0x420 [ 444.279391] ? sort_range+0x30/0x30 [ 444.283024] ? kthread_bind+0x40/0x40 [ 444.286827] ret_from_fork+0x3a/0x50 [ 444.290593] warn_alloc_show_mem: 1 callbacks suppressed [ 444.290604] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 444.290606] Mem-Info: [ 444.290642] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 444.290642] active_file:18 inactive_file:31 isolated_file:0 [ 444.290642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 444.290642] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 444.290642] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 444.290642] free:13670 free_pcp:352 free_cma:0 [ 444.295997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.303274] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 444.305676] Call Trace: [ 444.338720] Node 0 [ 444.348062] [ 444.376011] 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 [ 444.378579] dump_stack+0x1c4/0x2b4 [ 444.380782] lowmem_reserve[]: [ 444.382932] ? dump_stack_print_info.cold.2+0x52/0x52 [ 444.408420] 0 [ 444.412057] warn_alloc.cold.118+0xb7/0x1bd [ 444.415126] 2815 [ 444.420313] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.422093] 6318 [ 444.426426] ? lock_downgrade+0x900/0x900 [ 444.428464] 6318 [ 444.433306] ? trace_hardirqs_off+0xb8/0x300 [ 444.439510] ? trace_hardirqs_off+0xb8/0x300 [ 444.441551] Node 0 [ 444.445957] __alloc_pages_slowpath+0x2667/0x2d80 [ 444.450365] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 444.452603] ? warn_alloc+0x120/0x120 [ 444.457389] lowmem_reserve[]: 0 [ 444.484121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.487904] 0 [ 444.491181] ? warn_alloc+0x120/0x120 [ 444.496184] 3503 [ 444.497986] ? print_usage_bug+0xc0/0xc0 [ 444.501759] 3503 [ 444.503818] ? warn_alloc+0x120/0x120 [ 444.509913] ? print_usage_bug+0xc0/0xc0 [ 444.513688] Node 0 [ 444.517748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.517785] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 444.520013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.525176] lowmem_reserve[]: [ 444.553805] ? should_fail+0x22d/0xd01 [ 444.559313] 0 [ 444.562414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.566274] 0 [ 444.568074] ? __lock_acquire+0x7ec/0x4ec0 [ 444.573165] 0 [ 444.574964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.579172] 0 [ 444.580999] ? should_fail+0x22d/0xd01 [ 444.587880] ? mark_held_locks+0x130/0x130 [ 444.591741] Node 0 DMA: [ 444.595968] ? mark_held_locks+0x130/0x130 [ 444.595996] ? print_usage_bug+0xc0/0xc0 [ 444.598679] 1*4kB [ 444.602907] ? find_held_lock+0x36/0x1c0 [ 444.606950] (U) [ 444.609095] ? graph_lock+0x170/0x170 [ 444.613152] 0*8kB 0*16kB [ 444.615140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.618918] 1*32kB [ 444.621672] ? check_preemption_disabled+0x48/0x200 [ 444.627198] (U) [ 444.629438] ? check_preemption_disabled+0x48/0x200 [ 444.634424] 2*64kB [ 444.636400] ? __lock_is_held+0xb5/0x140 [ 444.641399] (U) [ 444.643641] __alloc_pages_nodemask+0xa80/0xde0 [ 444.647675] 1*128kB [ 444.649645] ? graph_lock+0x170/0x170 [ 444.654291] (U) [ 444.656615] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 444.660386] 1*256kB (U) [ 444.662369] ? graph_lock+0x170/0x170 [ 444.667381] 0*512kB [ 444.670054] ? find_held_lock+0x36/0x1c0 [ 444.673828] 1*1024kB [ 444.676166] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.680196] (U) [ 444.682602] ? lock_downgrade+0x900/0x900 [ 444.687247] 1*2048kB [ 444.689227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.693350] (M) [ 444.695763] cache_grow_begin+0x91/0x8c0 [ 444.701277] 3*4096kB [ 444.703252] ? do_raw_spin_unlock+0xa7/0x2f0 [ 444.707288] (M) [ 444.709701] fallback_alloc+0x203/0x2e0 [ 444.714085] = 15908kB [ 444.716068] ____cache_alloc_node+0x1c7/0x1e0 [ 444.720029] Node 0 [ 444.722446] kmem_cache_alloc_node+0xe3/0x730 [ 444.726912] DMA32: [ 444.729148] ? mark_held_locks+0xc7/0x130 [ 444.733622] 4*4kB [ 444.735871] __alloc_skb+0x119/0x770 [ 444.739989] (UM) [ 444.742135] ? skb_scrub_packet+0x490/0x490 [ 444.745829] 1*8kB [ 444.747889] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 444.752184] (M) [ 444.754332] ? queue_work_on+0x12c/0x1e0 [ 444.758899] 3*16kB (M) [ 444.760889] ? switchdev_port_obj_del+0xdc/0x450 [ 444.764925] 3*32kB [ 444.767508] ? switchdev_trans_item_enqueue+0x260/0x260 [ 444.772241] (M) [ 444.774473] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 444.779813] 1*64kB [ 444.781819] __br_mdb_notify+0x4ff/0x15d0 [ 444.786807] (M) [ 444.789043] ? __br_mdb_add+0x800/0x800 [ 444.793183] 3*128kB [ 444.795150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.799100] (UM) [ 444.801422] ? __lock_acquire+0x7ec/0x4ec0 [ 444.806929] 3*256kB (UM) [ 444.809005] ? kasan_check_read+0x11/0x20 [ 444.813212] 4*512kB (UM) [ 444.815997] ? debug_object_init_on_stack+0x20/0x20 [ 444.820121] 3*1024kB [ 444.822874] ? graph_lock+0x170/0x170 [ 444.827865] (M) [ 444.830277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.834057] 3*2048kB [ 444.836030] br_mdb_notify+0x310/0x410 [ 444.841530] (M) 3*4096kB (M) [ 444.843954] ? br_mdb_dump+0x2530/0x2530 [ 444.847834] = 24936kB [ 444.850945] br_multicast_del_pg+0x3df/0x790 [ 444.854979] Node 0 [ 444.857386] ? br_mdb_ip_get+0x940/0x940 [ 444.861767] Normal: 1267*4kB [ 444.864013] ? kasan_check_write+0x14/0x20 [ 444.868048] (UMEH) [ 444.871165] ? do_raw_spin_lock+0xc1/0x200 [ 444.875378] 430*8kB [ 444.877613] br_multicast_port_group_expired+0x189/0x1e0 [ 444.881823] (UMEH) [ 444.884144] call_timer_fn+0x272/0x920 [ 444.889583] 212*16kB [ 444.891814] ? br_multicast_del_pg+0x790/0x790 [ 444.895680] (UMEH) [ 444.898093] ? process_timeout+0x40/0x40 [ 444.902654] 35*32kB [ 444.904901] ? find_held_lock+0x36/0x1c0 [ 444.908950] (MH) [ 444.911277] ? __run_timers+0x7da/0xc70 [ 444.915313] 9*64kB [ 444.917374] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.921325] (MH) [ 444.923567] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.928034] 1*128kB (H) [ 444.930115] ? br_multicast_del_pg+0x790/0x790 [ 444.934589] 1*256kB [ 444.937255] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 444.941816] (H) [ 444.944139] ? trace_hardirqs_on+0xbd/0x310 [ 444.948712] 0*512kB [ 444.950683] ? kasan_check_read+0x11/0x20 [ 444.954979] 0*1024kB 0*2048kB [ 444.957309] ? __run_timers+0x7da/0xc70 [ 444.961429] 0*4096kB = 13980kB [ 444.961450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.964636] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.968595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.971774] ? br_multicast_del_pg+0x790/0x790 [ 444.980590] 4516 total pagecache pages [ 444.986036] ? br_multicast_del_pg+0x790/0x790 [ 444.994598] 0 pages in swap cache [ 444.999169] __run_timers+0x7e5/0xc70 [ 445.003038] Swap cache stats: add 0, delete 0, find 0/0 [ 445.007626] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 445.011049] Free swap = 0kB [ 445.014846] ? check_preemption_disabled+0x48/0x200 [ 445.020186] Total swap = 0kB [ 445.025550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.028545] 1965979 pages RAM [ 445.033565] ? rcu_irq_exit+0xce/0x100 [ 445.036569] 0 pages HighMem/MovableOnly [ 445.042117] ? irq_exit+0xbd/0x1c0 [ 445.045211] 343324 pages reserved [ 445.045220] 0 pages cma reserved [ 445.049104] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 445.053145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 445.056610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.060135] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.063400] ? retint_kernel+0x2d/0x2d [ 445.068438] ksoftirqd/0 cpuset=/ [ 445.074933] ? trace_hardirqs_on_caller+0xc0/0x300 [ 445.079675] mems_allowed=0 [ 445.089979] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.109777] ? trace_hardirqs_off_caller+0x300/0x300 [ 445.114889] ? graph_lock+0x170/0x170 [ 445.118700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.124413] ? check_preemption_disabled+0x48/0x200 [ 445.129451] ? __lock_is_held+0xb5/0x140 [ 445.133517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.139076] ? check_preemption_disabled+0x48/0x200 [ 445.144115] run_timer_softirq+0x52/0xb0 [ 445.148181] ? rcu_read_lock_sched_held+0x108/0x120 [ 445.153198] __do_softirq+0x30b/0xad8 [ 445.157025] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 445.162134] ? pvclock_read_flags+0x160/0x160 [ 445.166631] ? lapic_next_event+0x5a/0x90 [ 445.170779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.176328] ? check_preemption_disabled+0x48/0x200 [ 445.181340] ? check_preemption_disabled+0x48/0x200 [ 445.186365] ? kvm_clock_read+0x18/0x30 [ 445.190343] ? kvm_sched_clock_read+0x9/0x20 [ 445.194752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.200284] ? check_preemption_disabled+0x48/0x200 [ 445.205330] irq_exit+0x17f/0x1c0 [ 445.208791] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.213655] ? smp_reschedule_interrupt+0x109/0x650 [ 445.218676] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.224567] ? interrupt_entry+0xb5/0xf0 [ 445.228635] ? trace_hardirqs_off_caller+0xbb/0x300 [ 445.233649] ? trace_hardirqs_off_caller+0xbb/0x300 [ 445.238672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.243511] ? trace_hardirqs_off+0x300/0x300 [ 445.248013] ? trace_hardirqs_off+0x300/0x300 [ 445.252519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.258065] ? check_preemption_disabled+0x48/0x200 [ 445.263081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.268628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.273517] apic_timer_interrupt+0xf/0x20 [ 445.277762] [ 445.280017] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.284949] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 445.303860] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 445.311568] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.318837] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 445.326105] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 445.333368] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.340637] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 445.347955] skb_clone+0x1bb/0x500 [ 445.351508] ? skb_split+0x11e0/0x11e0 [ 445.355423] ? preempt_notifier_register+0x200/0x200 [ 445.360543] ? __switch_to_asm+0x34/0x70 [ 445.364621] ? __switch_to_asm+0x34/0x70 [ 445.368679] ? __switch_to_asm+0x40/0x70 [ 445.372740] ? __switch_to_asm+0x34/0x70 [ 445.376832] ? __switch_to_asm+0x40/0x70 [ 445.380925] ? __switch_to_asm+0x40/0x70 [ 445.385077] ? __switch_to_asm+0x34/0x70 [ 445.389137] ? __switch_to_asm+0x34/0x70 [ 445.393196] ? __switch_to_asm+0x40/0x70 [ 445.397257] ? __switch_to_asm+0x34/0x70 [ 445.401332] bpf_clone_redirect+0xb9/0x490 [ 445.405584] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 445.410623] ? __sched_text_start+0x8/0x8 [ 445.414781] ? retint_kernel+0x2d/0x2d [ 445.418679] ? find_held_lock+0x36/0x1c0 [ 445.422752] ? lock_acquire+0x1ed/0x520 [ 445.426728] ? bpf_test_run+0x32e/0x5a0 [ 445.430711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.436272] ? check_preemption_disabled+0x48/0x200 [ 445.441295] ? kasan_check_read+0x11/0x20 [ 445.445450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.450745] ? rcu_bh_qs+0xc0/0xc0 [ 445.454286] ? preempt_schedule+0x4d/0x60 [ 445.458454] ? ___preempt_schedule+0x16/0x18 [ 445.462882] ? bpf_test_run+0x1c0/0x5a0 [ 445.466871] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.471285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.476849] ? bpf_test_init.isra.9+0x70/0x100 [ 445.481456] ? bpf_prog_test_run_skb+0x634/0xb40 [ 445.486225] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.491067] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.496618] ? fput+0x130/0x1a0 [ 445.499910] ? __bpf_prog_get+0x9b/0x290 [ 445.503974] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 445.508819] ? bpf_prog_test_run+0x130/0x1a0 [ 445.513248] ? __x64_sys_bpf+0x3d8/0x510 [ 445.517309] ? bpf_prog_get+0x20/0x20 [ 445.521131] ? do_syscall_64+0x1b9/0x820 [ 445.525197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.530571] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.535500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.540351] ? trace_hardirqs_off+0x300/0x300 [ 445.544848] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.549864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.555399] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.560418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.565271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.570661] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 445.570922] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.577421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.577430] Call Trace: [ 445.587914] syz-executor1 cpuset= [ 445.597283] dump_stack+0x1c4/0x2b4 [ 445.599836] syz1 [ 445.603287] ? dump_stack_print_info.cold.2+0x52/0x52 [ 445.606910] mems_allowed=0 [ 445.608891] warn_alloc.cold.118+0xb7/0x1bd [ 445.621282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.626131] ? lock_downgrade+0x900/0x900 [ 445.630292] ? trace_hardirqs_off+0xb8/0x300 [ 445.634712] ? trace_hardirqs_off+0xb8/0x300 [ 445.639131] __alloc_pages_slowpath+0x2667/0x2d80 [ 445.644007] ? warn_alloc+0x120/0x120 [ 445.647817] ? warn_alloc+0x120/0x120 [ 445.651621] ? print_usage_bug+0xc0/0xc0 [ 445.655697] ? warn_alloc+0x120/0x120 [ 445.659498] ? print_usage_bug+0xc0/0xc0 [ 445.663567] ? __lock_acquire+0x7ec/0x4ec0 [ 445.667811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.673354] ? should_fail+0x22d/0xd01 [ 445.677244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.682349] ? __lock_acquire+0x7ec/0x4ec0 [ 445.686612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.691710] ? __lock_acquire+0x7ec/0x4ec0 [ 445.695954] ? should_fail+0x22d/0xd01 [ 445.699848] ? print_usage_bug+0xc0/0xc0 [ 445.703915] ? mark_held_locks+0x130/0x130 [ 445.708159] ? mark_held_locks+0x130/0x130 [ 445.712402] ? graph_lock+0x170/0x170 [ 445.716203] ? print_usage_bug+0xc0/0xc0 [ 445.720283] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.725058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.730605] ? check_preemption_disabled+0x48/0x200 [ 445.735627] ? check_preemption_disabled+0x48/0x200 [ 445.740660] ? __lock_is_held+0xb5/0x140 [ 445.744739] __alloc_pages_nodemask+0xa80/0xde0 [ 445.749426] ? graph_lock+0x170/0x170 [ 445.753235] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 445.758254] ? graph_lock+0x170/0x170 [ 445.762071] ? find_held_lock+0x36/0x1c0 [ 445.766153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.770829] ? lock_downgrade+0x900/0x900 [ 445.774991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.780543] cache_grow_begin+0x91/0x8c0 [ 445.784609] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.789032] fallback_alloc+0x203/0x2e0 [ 445.793020] ____cache_alloc_node+0x1c7/0x1e0 [ 445.797527] kmem_cache_alloc_node+0xe3/0x730 [ 445.802029] ? ipv6_get_ifaddr+0x42e/0x620 [ 445.806285] __alloc_skb+0x119/0x770 [ 445.810005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.815408] ? skb_scrub_packet+0x490/0x490 [ 445.819746] ? lock_downgrade+0x900/0x900 [ 445.823906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.829457] ? refcount_sub_and_test_checked+0x203/0x310 [ 445.834917] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 445.840391] ? addrconf_rs_timer+0x6f0/0x6f0 [ 445.844829] ndisc_alloc_skb+0x144/0x340 [ 445.848903] ndisc_send_rs+0x331/0x6e0 [ 445.852820] addrconf_rs_timer+0x3c0/0x6f0 [ 445.857067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.861341] call_timer_fn+0x272/0x920 [ 445.865243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.869511] ? process_timeout+0x40/0x40 [ 445.873582] ? find_held_lock+0x36/0x1c0 [ 445.877660] ? __run_timers+0x7da/0xc70 [ 445.881643] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.886136] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.890646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.894888] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 445.899480] ? trace_hardirqs_on+0xbd/0x310 [ 445.903800] ? kasan_check_read+0x11/0x20 [ 445.907971] ? __run_timers+0x7da/0xc70 [ 445.911955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.917418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.921661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.925914] __run_timers+0x7e5/0xc70 [ 445.929742] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 445.935105] ? compat_start_thread+0x80/0x80 [ 445.939518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.945065] ? _raw_spin_unlock_irq+0x60/0x80 [ 445.949566] ? finish_task_switch+0x1f5/0x900 [ 445.954060] ? finish_task_switch+0x1b5/0x900 [ 445.958552] ? __switch_to_asm+0x34/0x70 [ 445.962617] ? preempt_notifier_register+0x200/0x200 [ 445.967722] ? __switch_to_asm+0x34/0x70 [ 445.971781] ? __switch_to_asm+0x40/0x70 [ 445.975853] ? __switch_to_asm+0x34/0x70 [ 445.979924] ? __switch_to_asm+0x40/0x70 [ 445.984000] ? __switch_to_asm+0x34/0x70 [ 445.988058] ? __switch_to_asm+0x40/0x70 [ 445.992131] ? __switch_to_asm+0x40/0x70 [ 445.996199] ? pvclock_read_flags+0x160/0x160 [ 446.001226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.006780] ? check_preemption_disabled+0x48/0x200 [ 446.011812] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 446.017113] ? rcu_pm_notify+0xc0/0xc0 [ 446.021029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.026578] ? check_preemption_disabled+0x48/0x200 [ 446.031632] run_timer_softirq+0x52/0xb0 [ 446.035712] ? rcu_read_lock_sched_held+0x108/0x120 [ 446.040732] __do_softirq+0x30b/0xad8 [ 446.044541] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 446.049675] ? trace_hardirqs_off_caller+0x300/0x300 [ 446.054778] ? retint_kernel+0x1b/0x2d [ 446.058676] ? schedule+0x108/0x460 [ 446.062313] ? __schedule+0x1ed0/0x1ed0 [ 446.066291] ? trace_hardirqs_off+0xb8/0x300 [ 446.070697] ? ___might_sleep+0x1ed/0x300 [ 446.074843] ? smpboot_thread_fn+0x68b/0xa00 [ 446.079248] ? trace_hardirqs_on+0x310/0x310 [ 446.083660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.089197] ? check_preemption_disabled+0x48/0x200 [ 446.094213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.099755] ? takeover_tasklets+0xa90/0xa90 [ 446.104171] run_ksoftirqd+0x94/0x100 [ 446.108137] smpboot_thread_fn+0x68b/0xa00 [ 446.112375] ? sort_range+0x30/0x30 [ 446.116002] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.121103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.126642] ? __kthread_parkme+0xfb/0x1a0 [ 446.130878] kthread+0x35a/0x420 [ 446.134260] ? sort_range+0x30/0x30 [ 446.137887] ? kthread_bind+0x40/0x40 [ 446.141694] ret_from_fork+0x3a/0x50 [ 446.145451] warn_alloc_show_mem: 1 callbacks suppressed [ 446.145464] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 446.145466] Mem-Info: [ 446.145504] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 446.145504] active_file:18 inactive_file:31 isolated_file:0 [ 446.145504] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.145504] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 446.145504] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 446.145504] free:13670 free_pcp:352 free_cma:0 [ 446.150841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.158119] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.160516] Call Trace: [ 446.193569] Node 0 [ 446.202913] [ 446.230862] 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 [ 446.233441] dump_stack+0x1c4/0x2b4 [ 446.235639] lowmem_reserve[]: [ 446.237784] ? dump_stack_print_info.cold.2+0x52/0x52 [ 446.263272] 0 2815 [ 446.266935] warn_alloc.cold.118+0xb7/0x1bd [ 446.269996] 6318 [ 446.275186] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.277408] 6318 [ 446.281730] ? lock_downgrade+0x900/0x900 [ 446.288634] ? trace_hardirqs_off+0xb8/0x300 [ 446.290664] Node 0 [ 446.294819] ? trace_hardirqs_off+0xb8/0x300 [ 446.299228] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 446.301448] __alloc_pages_slowpath+0x2667/0x2d80 [ 446.305850] lowmem_reserve[]: [ 446.332608] ? warn_alloc+0x120/0x120 [ 446.337444] 0 [ 446.340553] ? warn_alloc+0x120/0x120 [ 446.344323] 0 [ 446.346126] ? print_usage_bug+0xc0/0xc0 [ 446.349901] 3503 [ 446.351701] ? warn_alloc+0x120/0x120 [ 446.355736] 3503 [ 446.357807] ? print_usage_bug+0xc0/0xc0 [ 446.361591] Node 0 [ 446.363654] ? lock_downgrade+0x900/0x900 [ 446.367730] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 446.369945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.374075] lowmem_reserve[]: [ 446.402733] ? should_fail+0x22d/0xd01 [ 446.408244] 0 [ 446.411370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.415254] 0 0 [ 446.417067] ? __lock_acquire+0x7ec/0x4ec0 [ 446.422148] 0 [ 446.424147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.428356] Node 0 [ 446.430164] ? should_fail+0x22d/0xd01 [ 446.435257] DMA: [ 446.437496] ? mark_held_locks+0x130/0x130 [ 446.441358] 1*4kB [ 446.443438] ? mark_held_locks+0x130/0x130 [ 446.447647] (U) [ 446.449792] ? print_usage_bug+0xc0/0xc0 [ 446.454009] 0*8kB [ 446.455985] ? find_held_lock+0x36/0x1c0 [ 446.460024] 0*16kB [ 446.462171] ? graph_lock+0x170/0x170 [ 446.466208] 1*32kB [ 446.468450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.472219] (U) [ 446.474459] ? check_preemption_disabled+0x48/0x200 [ 446.479972] 2*64kB [ 446.481942] ? check_preemption_disabled+0x48/0x200 [ 446.486943] (U) 1*128kB [ 446.489193] ? __lock_is_held+0xb5/0x140 [ 446.494180] (U) [ 446.496854] __alloc_pages_nodemask+0xa80/0xde0 [ 446.500899] 1*256kB [ 446.502872] ? graph_lock+0x170/0x170 [ 446.507516] (U) [ 446.509854] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 446.513646] 0*512kB [ 446.515643] ? graph_lock+0x170/0x170 [ 446.520662] 1*1024kB [ 446.523004] ? find_held_lock+0x36/0x1c0 [ 446.526785] (U) [ 446.529202] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.533236] 1*2048kB (M) [ 446.535221] ? lock_downgrade+0x900/0x900 [ 446.539879] 3*4096kB [ 446.542636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.546778] (M) [ 446.549186] cache_grow_begin+0x91/0x8c0 [ 446.554698] = 15908kB [ 446.556670] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.560709] Node 0 [ 446.563118] fallback_alloc+0x203/0x2e0 [ 446.567500] DMA32: [ 446.569735] ____cache_alloc_node+0x1c7/0x1e0 [ 446.573689] 4*4kB [ 446.575939] kmem_cache_alloc_node+0xe3/0x730 [ 446.580417] (UM) [ 446.582567] ? mark_held_locks+0xc7/0x130 [ 446.587038] 1*8kB [ 446.589105] __alloc_skb+0x119/0x770 [ 446.593221] (M) [ 446.595367] ? skb_scrub_packet+0x490/0x490 [ 446.599062] 3*16kB [ 446.601038] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 446.605336] (M) [ 446.607575] ? queue_work_on+0x12c/0x1e0 [ 446.612130] 3*32kB [ 446.614099] ? switchdev_port_obj_del+0xdc/0x450 [ 446.618155] (M) [ 446.620389] ? switchdev_trans_item_enqueue+0x260/0x260 [ 446.625126] 1*64kB [ 446.627097] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 446.632432] (M) [ 446.634675] __br_mdb_notify+0x4ff/0x15d0 [ 446.639665] 3*128kB [ 446.641643] ? __br_mdb_add+0x800/0x800 [ 446.645762] (UM) [ 446.648091] ? graph_lock+0x170/0x170 [ 446.652039] 3*256kB [ 446.654099] ? br_multicast_group_expired+0x96/0x610 [ 446.657873] (UM) [ 446.660205] ? find_held_lock+0x36/0x1c0 [ 446.665290] 4*512kB [ 446.667365] br_mdb_notify+0x310/0x410 [ 446.671401] (UM) [ 446.673719] ? br_mdb_dump+0x2530/0x2530 [ 446.677587] 3*1024kB [ 446.679642] ? kasan_check_write+0x14/0x20 [ 446.683680] (M) [ 446.686091] ? do_raw_spin_lock+0xc1/0x200 [ 446.690301] 3*2048kB [ 446.692278] br_multicast_group_expired+0x1bc/0x610 [ 446.696489] (M) [ 446.698892] ? br_mdb_free+0x80/0x80 [ 446.703898] 3*4096kB [ 446.705879] call_timer_fn+0x272/0x920 [ 446.709560] (M) [ 446.711966] ? br_mdb_free+0x80/0x80 [ 446.715832] = 24936kB [ 446.717803] ? process_timeout+0x40/0x40 [ 446.721492] Node 0 [ 446.723930] ? find_held_lock+0x36/0x1c0 [ 446.727976] Normal: [ 446.730215] ? __run_timers+0x7da/0xc70 [ 446.734250] 1267*4kB [ 446.736576] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.740522] (UMEH) [ 446.742955] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.747431] 430*8kB [ 446.749665] ? br_mdb_free+0x80/0x80 [ 446.754137] (UMEH) [ 446.756464] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 446.760158] 212*16kB [ 446.762388] ? trace_hardirqs_on+0xbd/0x310 [ 446.766950] (UMEH) [ 446.769355] ? kasan_check_read+0x11/0x20 [ 446.773659] 35*32kB [ 446.775904] ? __run_timers+0x7da/0xc70 [ 446.780029] (MH) [ 446.782362] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.786315] 9*64kB [ 446.788370] ? br_multicast_del_pg+0x790/0x790 [ 446.793798] (MH) [ 446.796030] ? br_mdb_free+0x80/0x80 [ 446.800594] 1*128kB [ 446.802653] __run_timers+0x7e5/0xc70 [ 446.806340] (H) [ 446.808669] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 446.812430] 1*256kB (H) [ 446.814421] ? check_preemption_disabled+0x48/0x200 [ 446.819762] 0*512kB [ 446.822428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.827415] 0*1024kB 0*2048kB [ 446.829754] ? rcu_irq_exit+0xce/0x100 [ 446.835265] 0*4096kB [ 446.838460] ? irq_exit+0xbd/0x1c0 [ 446.842330] = 13980kB [ 446.844737] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 446.848256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 446.850657] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.855718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 446.864552] ? retint_kernel+0x2d/0x2d [ 446.869280] 4516 total pagecache pages [ 446.877853] ? trace_hardirqs_on_caller+0xc0/0x300 [ 446.881718] 0 pages in swap cache [ 446.885608] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.890518] Swap cache stats: add 0, delete 0, find 0/0 [ 446.893974] ? trace_hardirqs_off_caller+0x300/0x300 [ 446.898708] Free swap = 0kB [ 446.904079] ? graph_lock+0x170/0x170 [ 446.909170] Total swap = 0kB [ 446.912186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.915965] 1965979 pages RAM [ 446.918981] ? check_preemption_disabled+0x48/0x200 [ 446.924508] 0 pages HighMem/MovableOnly [ 446.927629] ? __lock_is_held+0xb5/0x140 [ 446.932615] 343324 pages reserved [ 446.936587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.940626] 0 pages cma reserved [ 446.944075] ? check_preemption_disabled+0x48/0x200 [ 446.949688] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 446.952960] run_timer_softirq+0x52/0xb0 [ 446.958023] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.964442] ? rcu_read_lock_sched_held+0x108/0x120 [ 446.968477] ksoftirqd/0 cpuset= [ 446.978786] __do_softirq+0x30b/0xad8 [ 446.983790] / [ 446.987073] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 446.990849] mems_allowed=0 [ 446.992578] ? pvclock_read_flags+0x160/0x160 [ 447.005066] ? lapic_next_event+0x5a/0x90 [ 447.009219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.014757] ? check_preemption_disabled+0x48/0x200 [ 447.019769] ? check_preemption_disabled+0x48/0x200 [ 447.024795] ? kvm_clock_read+0x18/0x30 [ 447.028773] ? kvm_sched_clock_read+0x9/0x20 [ 447.033187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.038722] ? check_preemption_disabled+0x48/0x200 [ 447.043748] irq_exit+0x17f/0x1c0 [ 447.047208] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.052050] ? smp_reschedule_interrupt+0x109/0x650 [ 447.057081] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.062969] ? interrupt_entry+0xb5/0xf0 [ 447.067050] ? trace_hardirqs_off_caller+0xbb/0x300 [ 447.072062] ? trace_hardirqs_off_caller+0xbb/0x300 [ 447.077083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.081923] ? trace_hardirqs_off+0x300/0x300 [ 447.086437] ? trace_hardirqs_off+0x300/0x300 [ 447.090948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.096484] ? check_preemption_disabled+0x48/0x200 [ 447.101513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.107063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.111920] apic_timer_interrupt+0xf/0x20 [ 447.116148] [ 447.118394] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.123329] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 447.142228] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 447.149940] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.157206] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 447.164475] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 447.171755] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.179021] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 447.186365] skb_clone+0x1bb/0x500 [ 447.189915] ? skb_split+0x11e0/0x11e0 [ 447.193821] ? preempt_notifier_register+0x200/0x200 [ 447.198934] ? __switch_to_asm+0x34/0x70 [ 447.203020] ? __switch_to_asm+0x34/0x70 [ 447.207094] ? __switch_to_asm+0x40/0x70 [ 447.211152] ? __switch_to_asm+0x34/0x70 [ 447.215216] ? __switch_to_asm+0x40/0x70 [ 447.219280] ? __switch_to_asm+0x40/0x70 [ 447.223363] ? __switch_to_asm+0x34/0x70 [ 447.227424] ? __switch_to_asm+0x34/0x70 [ 447.231495] ? __switch_to_asm+0x40/0x70 [ 447.235578] ? __switch_to_asm+0x34/0x70 [ 447.239664] bpf_clone_redirect+0xb9/0x490 [ 447.243915] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 447.248948] ? __sched_text_start+0x8/0x8 [ 447.253115] ? retint_kernel+0x2d/0x2d [ 447.257010] ? find_held_lock+0x36/0x1c0 [ 447.261082] ? lock_acquire+0x1ed/0x520 [ 447.265054] ? bpf_test_run+0x32e/0x5a0 [ 447.269034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.274572] ? check_preemption_disabled+0x48/0x200 [ 447.279594] ? kasan_check_read+0x11/0x20 [ 447.283749] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.289026] ? rcu_bh_qs+0xc0/0xc0 [ 447.292568] ? preempt_schedule+0x4d/0x60 [ 447.296720] ? ___preempt_schedule+0x16/0x18 [ 447.301144] ? bpf_test_run+0x1c0/0x5a0 [ 447.305127] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.309541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.315082] ? bpf_test_init.isra.9+0x70/0x100 [ 447.319671] ? bpf_prog_test_run_skb+0x634/0xb40 [ 447.324446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 447.329290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.334829] ? fput+0x130/0x1a0 [ 447.338125] ? __bpf_prog_get+0x9b/0x290 [ 447.342202] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 447.347046] ? bpf_prog_test_run+0x130/0x1a0 [ 447.351461] ? __x64_sys_bpf+0x3d8/0x510 [ 447.355522] ? bpf_prog_get+0x20/0x20 [ 447.359347] ? do_syscall_64+0x1b9/0x820 [ 447.363411] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.368780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.373709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.378551] ? trace_hardirqs_off+0x300/0x300 [ 447.383049] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.388068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.393606] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.398628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.403479] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.408877] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 447.409076] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.415646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.426120] syz-executor1 cpuset= [ 447.435461] Call Trace: [ 447.435471] syz1 [ 447.438922] dump_stack+0x1c4/0x2b4 [ 447.441489] mems_allowed=0 [ 447.443462] ? dump_stack_print_info.cold.2+0x52/0x52 [ 447.455193] warn_alloc.cold.118+0xb7/0x1bd [ 447.459547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.464397] ? lock_downgrade+0x900/0x900 [ 447.468563] ? trace_hardirqs_off+0xb8/0x300 [ 447.472977] ? trace_hardirqs_off+0xb8/0x300 [ 447.477418] __alloc_pages_slowpath+0x2667/0x2d80 [ 447.482307] ? warn_alloc+0x120/0x120 [ 447.486120] ? warn_alloc+0x120/0x120 [ 447.489925] ? print_usage_bug+0xc0/0xc0 [ 447.494006] ? warn_alloc+0x120/0x120 [ 447.497804] ? print_usage_bug+0xc0/0xc0 [ 447.501871] ? __lock_acquire+0x7ec/0x4ec0 [ 447.506108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.511652] ? should_fail+0x22d/0xd01 [ 447.515552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.520659] ? __lock_acquire+0x7ec/0x4ec0 [ 447.524896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.529998] ? __lock_acquire+0x7ec/0x4ec0 [ 447.534261] ? should_fail+0x22d/0xd01 [ 447.538159] ? mark_held_locks+0x130/0x130 [ 447.542399] ? mark_held_locks+0x130/0x130 [ 447.546653] ? graph_lock+0x170/0x170 [ 447.550459] ? graph_lock+0x170/0x170 [ 447.554265] ? graph_lock+0x170/0x170 [ 447.558068] ? print_usage_bug+0xc0/0xc0 [ 447.562128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.567665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.573217] ? check_preemption_disabled+0x48/0x200 [ 447.578229] ? check_preemption_disabled+0x48/0x200 [ 447.583284] ? __lock_is_held+0xb5/0x140 [ 447.587371] __alloc_pages_nodemask+0xa80/0xde0 [ 447.592053] ? graph_lock+0x170/0x170 [ 447.595864] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.600875] ? graph_lock+0x170/0x170 [ 447.604689] ? find_held_lock+0x36/0x1c0 [ 447.608762] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.613431] ? lock_downgrade+0x900/0x900 [ 447.617625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.623167] cache_grow_begin+0x91/0x8c0 [ 447.627229] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.631647] fallback_alloc+0x203/0x2e0 [ 447.635634] ____cache_alloc_node+0x1c7/0x1e0 [ 447.640148] kmem_cache_alloc_node+0xe3/0x730 [ 447.644648] ? ipv6_get_ifaddr+0x42e/0x620 [ 447.648907] __alloc_skb+0x119/0x770 [ 447.652626] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.657909] ? skb_scrub_packet+0x490/0x490 [ 447.662234] ? lock_downgrade+0x900/0x900 [ 447.666386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.671924] ? refcount_sub_and_test_checked+0x203/0x310 [ 447.677384] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 447.682840] ? addrconf_rs_timer+0x6f0/0x6f0 [ 447.687274] ndisc_alloc_skb+0x144/0x340 [ 447.691341] ndisc_send_rs+0x331/0x6e0 [ 447.695241] addrconf_rs_timer+0x3c0/0x6f0 [ 447.699507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.703770] call_timer_fn+0x272/0x920 [ 447.707659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.711899] ? process_timeout+0x40/0x40 [ 447.715968] ? find_held_lock+0x36/0x1c0 [ 447.720038] ? __run_timers+0x7da/0xc70 [ 447.724017] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.728513] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.733026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.737284] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 447.741882] ? trace_hardirqs_on+0xbd/0x310 [ 447.746200] ? kasan_check_read+0x11/0x20 [ 447.750359] ? __run_timers+0x7da/0xc70 [ 447.754337] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.759798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.764044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.768290] __run_timers+0x7e5/0xc70 [ 447.772116] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 447.777479] ? compat_start_thread+0x80/0x80 [ 447.781895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.787452] ? _raw_spin_unlock_irq+0x60/0x80 [ 447.791959] ? finish_task_switch+0x1f5/0x900 [ 447.796466] ? finish_task_switch+0x1b5/0x900 [ 447.800978] ? __switch_to_asm+0x34/0x70 [ 447.805057] ? preempt_notifier_register+0x200/0x200 [ 447.810159] ? __switch_to_asm+0x34/0x70 [ 447.814217] ? __switch_to_asm+0x40/0x70 [ 447.818277] ? __switch_to_asm+0x34/0x70 [ 447.822337] ? __switch_to_asm+0x40/0x70 [ 447.826395] ? __switch_to_asm+0x34/0x70 [ 447.830463] ? __switch_to_asm+0x40/0x70 [ 447.834537] ? __switch_to_asm+0x40/0x70 [ 447.838609] ? pvclock_read_flags+0x160/0x160 [ 447.843109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.848645] ? check_preemption_disabled+0x48/0x200 [ 447.853676] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.858958] ? rcu_pm_notify+0xc0/0xc0 [ 447.862861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.868395] ? check_preemption_disabled+0x48/0x200 [ 447.873415] run_timer_softirq+0x52/0xb0 [ 447.877488] ? rcu_read_lock_sched_held+0x108/0x120 [ 447.882505] __do_softirq+0x30b/0xad8 [ 447.886327] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 447.891446] ? trace_hardirqs_off_caller+0x300/0x300 [ 447.896561] ? retint_kernel+0x1b/0x2d [ 447.900458] ? schedule+0x108/0x460 [ 447.904094] ? __schedule+0x1ed0/0x1ed0 [ 447.908075] ? trace_hardirqs_off+0xb8/0x300 [ 447.912486] ? ___might_sleep+0x1ed/0x300 [ 447.916631] ? smpboot_thread_fn+0x68b/0xa00 [ 447.921041] ? trace_hardirqs_on+0x310/0x310 [ 447.925473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.931009] ? check_preemption_disabled+0x48/0x200 [ 447.936037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.941581] ? takeover_tasklets+0xa90/0xa90 [ 447.945994] run_ksoftirqd+0x94/0x100 [ 447.949793] smpboot_thread_fn+0x68b/0xa00 [ 447.954047] ? sort_range+0x30/0x30 [ 447.957674] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 447.962775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.968313] ? __kthread_parkme+0xfb/0x1a0 [ 447.972558] kthread+0x35a/0x420 [ 447.975926] ? sort_range+0x30/0x30 [ 447.979562] ? kthread_bind+0x40/0x40 [ 447.983364] ret_from_fork+0x3a/0x50 [ 447.987095] warn_alloc_show_mem: 1 callbacks suppressed [ 447.987108] CPU: 1 PID: 10795 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #99 [ 447.987110] Mem-Info: [ 447.987145] active_anon:45310 inactive_anon:2946 isolated_anon:0 [ 447.987145] active_file:18 inactive_file:31 isolated_file:0 [ 447.987145] unevictable:0 dirty:0 writeback:0 unstable:0 [ 447.987145] slab_reclaimable:9526 slab_unreclaimable:1475274 [ 447.987145] mapped:49333 shmem:4475 pagetables:626 bounce:0 [ 447.987145] free:13670 free_pcp:352 free_cma:0 [ 447.992585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.000359] Node 0 active_anon:181240kB inactive_anon:11784kB active_file:72kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197332kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 448.002768] Call Trace: [ 448.035813] Node 0 [ 448.045159] [ 448.073104] 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 [ 448.075669] dump_stack+0x1c4/0x2b4 [ 448.077880] lowmem_reserve[]: [ 448.080114] ? dump_stack_print_info.cold.2+0x52/0x52 [ 448.105775] 0 2815 [ 448.109446] warn_alloc.cold.118+0xb7/0x1bd [ 448.112515] 6318 [ 448.117709] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.119928] 6318 [ 448.124256] ? lock_downgrade+0x900/0x900 [ 448.131141] ? trace_hardirqs_off+0xb8/0x300 [ 448.133179] Node 0 [ 448.137321] ? trace_hardirqs_off+0xb8/0x300 [ 448.141732] DMA32 free:24936kB min:30036kB low:37544kB high:45052kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 448.143945] __alloc_pages_slowpath+0x2667/0x2d80 [ 448.148333] lowmem_reserve[]: [ 448.175079] ? warn_alloc+0x120/0x120 [ 448.179875] 0 [ 448.182983] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.186760] 0 [ 448.188569] ? warn_alloc+0x120/0x120 [ 448.193562] 3503 [ 448.195361] ? print_usage_bug+0xc0/0xc0 [ 448.199131] 3503 [ 448.201189] ? warn_alloc+0x120/0x120 [ 448.207286] ? print_usage_bug+0xc0/0xc0 [ 448.211064] Node 0 [ 448.215116] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.215152] Normal free:13836kB min:37376kB low:46720kB high:56064kB active_anon:181140kB inactive_anon:11784kB active_file:348kB inactive_file:400kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2504kB bounce:0kB free_pcp:1408kB local_pcp:48kB free_cma:0kB [ 448.217361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.222527] lowmem_reserve[]: [ 448.251166] ? should_fail+0x22d/0xd01 [ 448.256676] 0 [ 448.259791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.263652] 0 [ 448.265456] ? __lock_acquire+0x7ec/0x4ec0 [ 448.270530] 0 [ 448.272336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.276548] 0 [ 448.278348] ? should_fail+0x22d/0xd01 [ 448.285234] ? mark_held_locks+0x130/0x130 [ 448.289095] Node 0 DMA: [ 448.293324] ? mark_held_locks+0x130/0x130 [ 448.293340] ? print_usage_bug+0xc0/0xc0 [ 448.296006] 1*4kB [ 448.300238] ? find_held_lock+0x36/0x1c0 [ 448.304275] (U) [ 448.306418] ? graph_lock+0x170/0x170 [ 448.310461] 0*8kB [ 448.312481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.316264] 0*16kB [ 448.318411] ? check_preemption_disabled+0x48/0x200 [ 448.323925] 1*32kB [ 448.326154] ? check_preemption_disabled+0x48/0x200 [ 448.331146] (U) [ 448.333385] ? __lock_is_held+0xb5/0x140 [ 448.338374] 2*64kB [ 448.340348] __alloc_pages_nodemask+0xa80/0xde0 [ 448.344379] (U) [ 448.346642] ? graph_lock+0x170/0x170 [ 448.351291] 1*128kB [ 448.353265] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 448.357044] (U) [ 448.359362] ? graph_lock+0x170/0x170 [ 448.364358] 1*256kB [ 448.366336] ? find_held_lock+0x36/0x1c0 [ 448.370108] (U) [ 448.372443] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.376471] 0*512kB [ 448.378449] ? lock_downgrade+0x900/0x900 [ 448.383087] 1*1024kB [ 448.385411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.389534] (U) 1*2048kB (M) [ 448.391975] cache_grow_begin+0x91/0x8c0 [ 448.397491] 3*4096kB [ 448.400619] ? do_raw_spin_unlock+0xa7/0x2f0 [ 448.404658] (M) = 15908kB [ 448.407076] fallback_alloc+0x203/0x2e0 [ 448.411468] Node 0 [ 448.414228] ____cache_alloc_node+0x1c7/0x1e0 [ 448.418175] DMA32: [ 448.420409] kmem_cache_alloc_node+0xe3/0x730 [ 448.424881] 4*4kB [ 448.427125] ? mark_held_locks+0xc7/0x130 [ 448.431599] (UM) [ 448.433752] __alloc_skb+0x119/0x770 [ 448.437874] 1*8kB [ 448.439936] ? skb_scrub_packet+0x490/0x490 [ 448.443636] (M) [ 448.445781] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 448.450081] 3*16kB [ 448.452057] ? queue_work_on+0x12c/0x1e0 [ 448.456615] (M) [ 448.458861] ? switchdev_port_obj_del+0xdc/0x450 [ 448.462894] 3*32kB [ 448.464864] ? switchdev_trans_item_enqueue+0x260/0x260 [ 448.469596] (M) [ 448.471828] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.477164] 1*64kB [ 448.479135] __br_mdb_notify+0x4ff/0x15d0 [ 448.484127] (M) [ 448.486366] ? __br_mdb_add+0x800/0x800 [ 448.490489] 3*128kB [ 448.492465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.496412] (UM) [ 448.498738] ? check_preemption_disabled+0x48/0x200 [ 448.504250] 3*256kB [ 448.506313] ? graph_lock+0x170/0x170 [ 448.511299] (UM) [ 448.513620] ? br_multicast_group_expired+0x96/0x610 [ 448.518089] 4*512kB [ 448.520148] ? lock_downgrade+0x900/0x900 [ 448.525226] (UM) [ 448.527558] br_mdb_notify+0x310/0x410 [ 448.531678] 3*1024kB [ 448.533738] ? br_mdb_dump+0x2530/0x2530 [ 448.537602] (M) [ 448.540051] ? kasan_check_write+0x14/0x20 [ 448.544086] 3*2048kB [ 448.546087] ? do_raw_spin_lock+0xc1/0x200 [ 448.550293] (M) [ 448.552697] br_multicast_group_expired+0x1bc/0x610 [ 448.556917] 3*4096kB [ 448.558886] ? br_mdb_free+0x80/0x80 [ 448.563881] (M) [ 448.566297] call_timer_fn+0x272/0x920 [ 448.569978] = 24936kB [ 448.571951] ? br_mdb_free+0x80/0x80 [ 448.575842] Node 0 [ 448.578250] ? process_timeout+0x40/0x40 [ 448.581944] Normal: [ 448.584190] ? find_held_lock+0x36/0x1c0 [ 448.588251] 1267*4kB [ 448.590577] ? __run_timers+0x7da/0xc70 [ 448.594612] (UMEH) [ 448.597024] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.600970] 430*8kB [ 448.603201] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.607672] (UMEH) [ 448.609988] ? br_mdb_free+0x80/0x80 [ 448.614470] 212*16kB (UMEH) [ 448.616710] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 448.620403] 35*32kB [ 448.623420] ? trace_hardirqs_on+0xbd/0x310 [ 448.627976] (MH) [ 448.630295] ? kasan_check_read+0x11/0x20 [ 448.634610] 9*64kB [ 448.636670] ? __run_timers+0x7da/0xc70 [ 448.640791] (MH) [ 448.643024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.646982] 1*128kB [ 448.649040] ? br_mdb_free+0x80/0x80 [ 448.654465] (H) [ 448.656781] ? br_mdb_free+0x80/0x80 [ 448.660471] 1*256kB [ 448.662447] __run_timers+0x7e5/0xc70 [ 448.666130] (H) [ 448.668464] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 448.672238] 0*512kB [ 448.674221] ? check_preemption_disabled+0x48/0x200 [ 448.679562] 0*1024kB [ 448.681885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.686873] 0*2048kB [ 448.689279] ? rcu_irq_exit+0xce/0x100 [ 448.694786] 0*4096kB [ 448.697204] ? irq_exit+0xbd/0x1c0 [ 448.701064] = 13980kB [ 448.703474] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 448.706989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 448.709419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.714420] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 448.723245] ? retint_kernel+0x2d/0x2d [ 448.727980] 4516 total pagecache pages [ 448.736557] ? trace_hardirqs_on_caller+0xc0/0x300 [ 448.740428] 0 pages in swap cache [ 448.744313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.749222] Swap cache stats: add 0, delete 0, find 0/0 [ 448.752664] ? trace_hardirqs_off_caller+0x300/0x300 [ 448.757399] Free swap = 0kB [ 448.762761] ? graph_lock+0x170/0x170 [ 448.767837] Total swap = 0kB [ 448.770855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.774634] 1965979 pages RAM [ 448.777651] ? check_preemption_disabled+0x48/0x200 [ 448.783161] 0 pages HighMem/MovableOnly [ 448.786267] ? __lock_is_held+0xb5/0x140 [ 448.791255] 343324 pages reserved [ 448.795220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.799255] 0 pages cma reserved [ 448.802715] ? check_preemption_disabled+0x48/0x200 [ 448.808364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 448.811623] run_timer_softirq+0x52/0xb0 [ 448.811645] ? rcu_read_lock_sched_held+0x108/0x120 [ 448.816738] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.823155] __do_softirq+0x30b/0xad8 [ 448.827197] ksoftirqd/0 cpuset= [ 448.832215] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 448.842498] / [ 448.846316] ? pvclock_read_flags+0x160/0x160 [ 448.849586] mems_allowed=0 [ 448.854684] ? lapic_next_event+0x5a/0x90 [ 448.868012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.873560] ? check_preemption_disabled+0x48/0x200 [ 448.878589] ? check_preemption_disabled+0x48/0x200 [ 448.883615] ? kvm_clock_read+0x18/0x30 [ 448.887595] ? kvm_sched_clock_read+0x9/0x20 [ 448.892011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.897556] ? check_preemption_disabled+0x48/0x200 [ 448.902588] irq_exit+0x17f/0x1c0 [ 448.906061] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.910907] ? smp_reschedule_interrupt+0x109/0x650 [ 448.915926] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.921811] ? interrupt_entry+0xb5/0xf0 [ 448.925879] ? trace_hardirqs_off_caller+0xbb/0x300 [ 448.930904] ? trace_hardirqs_off_caller+0xbb/0x300 [ 448.935940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.940786] ? trace_hardirqs_off+0x300/0x300 [ 448.945281] ? trace_hardirqs_off+0x300/0x300 [ 448.949793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.955337] ? check_preemption_disabled+0x48/0x200 [ 448.960369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.965913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.970764] apic_timer_interrupt+0xf/0x20 [ 448.975002] [ 448.977246] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 448.982180] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e 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 f2 7a [ 449.001083] RSP: 0000:ffff8801c5b87748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 449.008798] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 449.016062] RDX: 0000000000000000 RSI: ffff8801a4212b80 RDI: 0000000000000282 [ 449.023331] RBP: ffff8801c5b877b0 R08: ffff8801a4212300 R09: 0000000000000000 [ 449.030598] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 449.037862] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 449.045178] skb_clone+0x1bb/0x500 [ 449.048722] ? skb_split+0x11e0/0x11e0 [ 449.052618] ? preempt_notifier_register+0x200/0x200 [ 449.057725] ? __switch_to_asm+0x34/0x70 [ 449.061787] ? __switch_to_asm+0x34/0x70 [ 449.065852] ? __switch_to_asm+0x40/0x70 [ 449.069913] ? __switch_to_asm+0x34/0x70 [ 449.073975] ? __switch_to_asm+0x40/0x70 [ 449.078054] ? __switch_to_asm+0x40/0x70 [ 449.082111] ? __switch_to_asm+0x34/0x70 [ 449.086172] ? __switch_to_asm+0x34/0x70 [ 449.090235] ? __switch_to_asm+0x40/0x70 [ 449.094295] ? __switch_to_asm+0x34/0x70 [ 449.098371] bpf_clone_redirect+0xb9/0x490 [ 449.102615] bpf_prog_bebbfe2050753572+0x32d/0x1000 [ 449.107638] ? __sched_text_start+0x8/0x8 [ 449.111791] ? retint_kernel+0x2d/0x2d [ 449.115695] ? find_held_lock+0x36/0x1c0 [ 449.119764] ? lock_acquire+0x1ed/0x520 [ 449.123738] ? bpf_test_run+0x32e/0x5a0 [ 449.127719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.133254] ? check_preemption_disabled+0x48/0x200 [ 449.138284] ? kasan_check_read+0x11/0x20 [ 449.142458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 449.147738] ? rcu_bh_qs+0xc0/0xc0 [ 449.151286] ? preempt_schedule+0x4d/0x60 [ 449.155442] ? ___preempt_schedule+0x16/0x18 [ 449.159946] ? bpf_test_run+0x1c0/0x5a0 [ 449.163959] ? netlink_diag_dump+0x2a0/0x2a0 [ 449.168399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.173935] ? bpf_test_init.isra.9+0x70/0x100 [ 449.178524] ? bpf_prog_test_run_skb+0x634/0xb40 [ 449.183299] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 449.188164] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 449.193699] ? fput+0x130/0x1a0 [ 449.196982] ? __bpf_prog_get+0x9b/0x290 [ 449.201050] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 449.205891] ? bpf_prog_test_run+0x130/0x1a0 [ 449.210306] ? __x64_sys_bpf+0x3d8/0x510 [ 449.214370] ? bpf_prog_get+0x20/0x20 [ 449.218194] ? do_syscall_64+0x1b9/0x820 [ 449.222259] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 449.227628] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.232567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.237430] ? trace_hardirqs_off+0x300/0x300 [ 449.241934] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 449.246951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.252488] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.257506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.262360] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 449.267756] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #99 [ 449.268000] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.274523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.285003] syz-executor1 cpuset= [ 449.294346] Call Trace: [ 449.294356] syz1 [ 449.297809] dump_stack+0x1c4/0x2b4 [ 449.300371] mems_allowed=0 [ 449.302339] ? dump_stack_print_info.cold.2+0x52/0x52 [ 449.314059] warn_alloc.cold.118+0xb7/0x1bd [ 449.318378] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.323227] ? lock_downgrade+0x900/0x900 [ 449.327394] ? trace_hardirqs_off+0xb8/0x300 [ 449.331825] ? trace_hardirqs_off+0xb8/0x300 [ 449.336246] __alloc_pages_slowpath+0x2667/0x2d80 [ 449.341122] ? warn_alloc+0x120/0x120 [ 449.344940] ? warn_alloc+0x120/0x120 [ 449.348746] ? print_usage_bug+0xc0/0xc0 [ 449.352807] ? warn_alloc+0x120/0x120 [ 449.356621] ? print_usage_bug+0xc0/0xc0 [ 449.360686] ? __lock_acquire+0x7ec/0x4ec0 [ 449.364953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.370494] ? should_fail+0x22d/0xd01 [ 449.374384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.379494] ? __lock_acquire+0x7ec/0x4ec0 [ 449.383734] ? fault_create_debugfs_attr+0x1f0/0x1f0