? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 155.481296] ? rcu_bh_qs+0xc0/0xc0 [ 155.484838] ? preempt_schedule+0x4d/0x60 [ 155.488992] ? ___preempt_schedule+0x16/0x18 [ 155.493408] ? bpf_test_run+0x1c0/0x5a0 [ 155.497391] ? netlink_diag_dump+0x2a0/0x2a0 [ 155.501804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 155.507827] ? bpf_test_init.isra.9+0x70/0x100 [ 155.512415] ? bpf_prog_test_run_skb+0x634/0xb40 [ 155.517178] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 155.522026] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 155.527561] ? fput+0x130/0x1a0 [ 155.530846] ? __bpf_prog_get+0x9b/0x290 [ 155.534921] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 155.539760] ? bpf_prog_test_run+0x130/0x1a0 [ 155.544172] ? __x64_sys_bpf+0x3d8/0x510 [ 155.548254] ? bpf_prog_get+0x20/0x20 [ 155.552062] ? ksys_ioctl+0x81/0xd0 [ 155.555726] ? do_syscall_64+0x1b9/0x820 [ 155.559961] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 155.565333] ? syscall_return_slowpath+0x5e0/0x5e0 [ 155.570272] ? trace_hardirqs_off+0x300/0x300 [ 155.574769] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 155.579799] ? recalc_sigpending_tsk+0x180/0x180 [ 155.584556] ? kasan_check_write+0x14/0x20 [ 155.588804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 155.593660] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 155.599044] warn_alloc_show_mem: 1 callbacks suppressed [ 155.599056] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 155.599058] Mem-Info: [ 155.599088] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 155.599088] active_file:17 inactive_file:11 isolated_file:5 [ 155.599088] unevictable:0 dirty:0 writeback:0 unstable:0 [ 155.599088] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 155.599088] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 155.599088] free:13528 free_pcp:440 free_cma:0 [ 155.604432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.611627] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 155.614024] Call Trace: [ 155.646889] Node 0 [ 155.656234] [ 155.684008] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 155.686565] dump_stack+0x1c4/0x2b4 [ 155.688780] lowmem_reserve[]: [ 155.690929] ? dump_stack_print_info.cold.2+0x52/0x52 [ 155.716404] 0 2815 [ 155.720056] warn_alloc.cold.118+0xb7/0x1bd [ 155.723131] 6318 [ 155.728314] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 155.730528] 6318 [ 155.734855] ? lock_downgrade+0x900/0x900 [ 155.741746] ? trace_hardirqs_off+0xb8/0x300 [ 155.743787] Node 0 [ 155.747944] ? trace_hardirqs_off+0xb8/0x300 [ 155.752349] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 155.754561] __alloc_pages_slowpath+0x2667/0x2d80 [ 155.758945] lowmem_reserve[]: [ 155.786103] ? noop_count+0x40/0x40 [ 155.790914] 0 0 [ 155.794032] ? warn_alloc+0x120/0x120 [ 155.797648] 3503 [ 155.799643] ? warn_alloc+0x120/0x120 [ 155.803410] 3503 [ 155.805483] ? print_usage_bug+0xc0/0xc0 [ 155.809261] Node 0 [ 155.811319] ? warn_alloc+0x120/0x120 [ 155.815387] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 155.817595] ? print_usage_bug+0xc0/0xc0 [ 155.821366] lowmem_reserve[]: 0 [ 155.849833] ? check_usage+0x1a9/0x790 [ 155.853876] 0 [ 155.857156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 155.861021] 0 [ 155.862822] ? should_fail+0x22d/0xd01 [ 155.868332] 0 [ 155.870135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 155.875798] ? __lock_acquire+0x7ec/0x4ec0 [ 155.880888] Node 0 DMA: [ 155.885125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 155.885152] ? __lock_acquire+0x7ec/0x4ec0 [ 155.887807] 1*4kB [ 155.892903] ? should_fail+0x22d/0xd01 [ 155.897124] (U) [ 155.899278] ? mark_held_locks+0x130/0x130 [ 155.903136] 0*8kB [ 155.905105] ? mark_held_locks+0x130/0x130 [ 155.909314] 0*16kB [ 155.911462] ? kvm_clock_read+0x18/0x30 [ 155.915664] 1*32kB (U) [ 155.917909] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 155.921862] 2*64kB [ 155.924439] ? ktime_get+0x2e1/0x440 [ 155.929428] (U) [ 155.931664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 155.935352] 1*128kB (U) [ 155.937358] ? graph_lock+0x170/0x170 [ 155.942871] 1*256kB [ 155.945535] ? print_usage_bug+0xc0/0xc0 [ 155.949318] (U) [ 155.951640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 155.955722] 0*512kB [ 155.957692] ? check_preemption_disabled+0x48/0x200 [ 155.963206] 1*1024kB (U) [ 155.965565] ? check_preemption_disabled+0x48/0x200 [ 155.970564] 1*2048kB [ 155.973323] ? __lock_is_held+0xb5/0x140 [ 155.978312] (M) [ 155.980747] __alloc_pages_nodemask+0xa80/0xde0 [ 155.984782] 3*4096kB [ 155.986755] ? graph_lock+0x170/0x170 [ 155.986774] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 155.991419] (M) [ 155.993820] ? graph_lock+0x170/0x170 [ 155.993846] ? find_held_lock+0x36/0x1c0 [ 155.997618] = 15908kB [ 156.002631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 156.004579] Node 0 [ 156.008374] ? lock_downgrade+0x900/0x900 [ 156.012409] DMA32: 4*4kB [ 156.014825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.019465] (UM) [ 156.021733] cache_grow_begin+0x91/0x8c0 [ 156.025869] 3*8kB [ 156.028622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 156.034136] (UM) [ 156.036201] fallback_alloc+0x203/0x2e0 [ 156.040238] 1*16kB (M) [ 156.042402] ____cache_alloc_node+0x1c7/0x1e0 [ 156.046777] 2*32kB (UM) [ 156.048850] kmem_cache_alloc_node+0xe3/0x730 [ 156.052801] 3*64kB [ 156.055425] ? ipv6_get_ifaddr+0x42e/0x620 [ 156.059894] (UM) [ 156.062565] __alloc_skb+0x119/0x770 [ 156.067043] 4*128kB [ 156.069279] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 156.073485] (UM) [ 156.075544] ? skb_scrub_packet+0x490/0x490 [ 156.079254] 2*256kB [ 156.081597] ? lock_downgrade+0x900/0x900 [ 156.086863] (M) [ 156.088936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.093227] 4*512kB (UM) [ 156.095566] ? refcount_sub_and_test_checked+0x203/0x310 [ 156.099687] 3*1024kB [ 156.101660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 156.107176] (M) [ 156.109928] ? addrconf_rs_timer+0x6f0/0x6f0 [ 156.115348] 1*2048kB (M) [ 156.117772] ndisc_alloc_skb+0x144/0x340 [ 156.123195] 4*4096kB [ 156.125162] ndisc_send_rs+0x331/0x6e0 [ 156.129543] (M) [ 156.132330] addrconf_rs_timer+0x3c0/0x6f0 [ 156.136376] = 24888kB [ 156.138789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 156.142654] Node 0 [ 156.144639] call_timer_fn+0x272/0x920 [ 156.148830] Normal: 1035*4kB [ 156.151254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 156.155465] (MEH) [ 156.157704] ? process_timeout+0x40/0x40 [ 156.161580] 457*8kB [ 156.164696] ? find_held_lock+0x36/0x1c0 [ 156.168923] (UMEH) [ 156.171083] ? __run_timers+0x7da/0xc70 [ 156.175118] 163*16kB [ 156.177439] ? _raw_spin_unlock_irq+0x27/0x80 [ 156.181474] (MEH) 58*32kB [ 156.183722] ? _raw_spin_unlock_irq+0x27/0x80 [ 156.187674] (UMEH) [ 156.190082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 156.194553] 13*64kB [ 156.197394] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 156.201863] (UMH) [ 156.204094] ? trace_hardirqs_on+0xbd/0x310 [ 156.208315] 2*128kB (H) [ 156.210643] ? kasan_check_read+0x11/0x20 [ 156.215211] 0*256kB [ 156.217371] ? __run_timers+0x7da/0xc70 [ 156.221668] 0*512kB [ 156.224332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 156.228455] 0*1024kB [ 156.230783] ? neigh_invalidate+0x550/0x550 [ 156.234731] 0*2048kB [ 156.237050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 156.242483] 0*4096kB [ 156.244886] __run_timers+0x7e5/0xc70 [ 156.249180] = 13348kB [ 156.249202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 156.251611] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 156.255817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 156.255827] 412 total pagecache pages [ 156.258238] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 156.262018] 0 pages in swap cache [ 156.264423] ? graph_lock+0x170/0x170 [ 156.273240] Swap cache stats: add 0, delete 0, find 0/0 [ 156.278591] ? enqueue_hrtimer+0x1a5/0x560 [ 156.287139] Free swap = 0kB [ 156.287148] Total swap = 0kB [ 156.290946] ? lock_release+0x970/0x970 [ 156.295937] 1965979 pages RAM [ 156.299382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 156.303159] 0 pages HighMem/MovableOnly [ 156.308519] ? find_held_lock+0x36/0x1c0 [ 156.312723] 343323 pages reserved [ 156.312732] 0 pages cma reserved [ 156.315750] ? graph_lock+0x170/0x170 [ 156.318807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 156.322716] ? pvclock_read_flags+0x160/0x160 [ 156.325911] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 156.330994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.334944] syz-executor3 cpuset= [ 156.339003] ? check_preemption_disabled+0x48/0x200 [ 156.342435] syz3 [ 156.345806] ? __lock_is_held+0xb5/0x140 [ 156.349582] mems_allowed=0 [ 156.356071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.399893] ? check_preemption_disabled+0x48/0x200 [ 156.404924] run_timer_softirq+0x52/0xb0 [ 156.408989] ? rcu_read_lock_sched_held+0x108/0x120 [ 156.414011] __do_softirq+0x30b/0xad8 [ 156.417828] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 156.422936] ? pvclock_read_flags+0x160/0x160 [ 156.427430] ? lapic_next_event+0x5a/0x90 [ 156.431582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.437122] ? check_preemption_disabled+0x48/0x200 [ 156.442135] ? check_preemption_disabled+0x48/0x200 [ 156.447160] ? kvm_clock_read+0x18/0x30 [ 156.451140] ? kvm_sched_clock_read+0x9/0x20 [ 156.455550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.461084] ? check_preemption_disabled+0x48/0x200 [ 156.466115] irq_exit+0x17f/0x1c0 [ 156.469571] smp_apic_timer_interrupt+0x1cb/0x760 [ 156.474412] ? smp_reschedule_interrupt+0x109/0x650 [ 156.479433] ? smp_call_function_single_interrupt+0x650/0x650 [ 156.485317] ? interrupt_entry+0xb5/0xf0 [ 156.489388] ? trace_hardirqs_off_caller+0xbb/0x300 [ 156.494410] ? trace_hardirqs_off_caller+0xbb/0x300 [ 156.499430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.504284] ? trace_hardirqs_off+0x300/0x300 [ 156.508774] ? trace_hardirqs_off+0x300/0x300 [ 156.513299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.518836] ? check_preemption_disabled+0x48/0x200 [ 156.523886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.529442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.534299] apic_timer_interrupt+0xf/0x20 [ 156.538527] [ 156.540770] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 156.545701] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 156.565274] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 156.572994] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 156.580264] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 156.587528] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 156.594791] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 156.602061] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 156.609376] skb_clone+0x1bb/0x500 [ 156.612922] ? finish_task_switch+0x1b5/0x900 [ 156.617447] ? skb_split+0x11e0/0x11e0 [ 156.621339] ? preempt_notifier_register+0x200/0x200 [ 156.626444] ? __switch_to_asm+0x34/0x70 [ 156.630509] ? __switch_to_asm+0x34/0x70 [ 156.634565] ? __switch_to_asm+0x40/0x70 [ 156.638625] ? __switch_to_asm+0x34/0x70 [ 156.642683] ? __switch_to_asm+0x40/0x70 [ 156.646745] ? __switch_to_asm+0x34/0x70 [ 156.650805] ? __switch_to_asm+0x40/0x70 [ 156.654865] ? __switch_to_asm+0x34/0x70 [ 156.658925] ? __switch_to_asm+0x34/0x70 [ 156.662986] ? __switch_to_asm+0x40/0x70 [ 156.667044] ? __switch_to_asm+0x34/0x70 [ 156.671119] bpf_clone_redirect+0xb9/0x490 [ 156.675357] ? __schedule+0x874/0x1ed0 [ 156.679261] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 156.684277] ? __sched_text_start+0x8/0x8 [ 156.688431] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.693201] ? find_held_lock+0x36/0x1c0 [ 156.697277] ? lock_acquire+0x1ed/0x520 [ 156.701249] ? bpf_test_run+0x32e/0x5a0 [ 156.705229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.710768] ? check_preemption_disabled+0x48/0x200 [ 156.715787] ? kasan_check_read+0x11/0x20 [ 156.719955] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 156.725234] ? rcu_bh_qs+0xc0/0xc0 [ 156.728777] ? preempt_schedule+0x4d/0x60 [ 156.732962] ? ___preempt_schedule+0x16/0x18 [ 156.737379] ? bpf_test_run+0x1c0/0x5a0 [ 156.741392] ? netlink_diag_dump+0x2a0/0x2a0 [ 156.745813] ? bpf_prog_test_run_skb+0x295/0xb40 [ 156.750610] ? bpf_prog_test_run_skb+0x634/0xb40 [ 156.755371] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 156.760219] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 156.765754] ? fput+0x130/0x1a0 [ 156.769032] ? __bpf_prog_get+0x9b/0x290 [ 156.773116] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 156.777957] ? bpf_prog_test_run+0x130/0x1a0 [ 156.782373] ? __x64_sys_bpf+0x3d8/0x510 [ 156.786433] ? bpf_prog_get+0x20/0x20 [ 156.790293] ? do_syscall_64+0x1b9/0x820 [ 156.794357] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 156.799723] ? syscall_return_slowpath+0x5e0/0x5e0 [ 156.804654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.809503] ? trace_hardirqs_off+0x300/0x300 [ 156.814001] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 156.819038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 156.824574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 156.829614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.834467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.839871] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 156.839939] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 156.847066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.847075] Call Trace: [ 156.853640] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 156.862901] [ 156.865476] syz-executor3 cpuset= [ 156.875955] dump_stack+0x1c4/0x2b4 [ 156.878079] syz3 [ 156.881524] ? dump_stack_print_info.cold.2+0x52/0x52 [ 156.885151] mems_allowed=0 [ 156.887128] warn_alloc.cold.118+0xb7/0x1bd [ 156.899546] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 156.904396] ? lock_downgrade+0x900/0x900 [ 156.908552] ? trace_hardirqs_off+0xb8/0x300 [ 156.912976] ? trace_hardirqs_off+0xb8/0x300 [ 156.917394] __alloc_pages_slowpath+0x2667/0x2d80 [ 156.922272] ? warn_alloc+0x120/0x120 [ 156.926080] ? warn_alloc+0x120/0x120 [ 156.929886] ? print_usage_bug+0xc0/0xc0 [ 156.933952] ? warn_alloc+0x120/0x120 [ 156.937756] ? print_usage_bug+0xc0/0xc0 [ 156.941823] ? __lock_acquire+0x7ec/0x4ec0 [ 156.946059] ? __lock_acquire+0x7ec/0x4ec0 [ 156.950299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 156.955836] ? should_fail+0x22d/0xd01 [ 156.959723] ? __lock_acquire+0x7ec/0x4ec0 [ 156.963982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 156.969123] ? __lock_acquire+0x7ec/0x4ec0 [ 156.973363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 156.978462] ? __lock_acquire+0x7ec/0x4ec0 [ 156.982696] ? should_fail+0x22d/0xd01 [ 156.986591] ? mark_held_locks+0x130/0x130 [ 156.990832] ? mark_held_locks+0x130/0x130 [ 156.995104] ? graph_lock+0x170/0x170 [ 156.998902] ? print_usage_bug+0xc0/0xc0 [ 157.002974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.008513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.014059] ? check_preemption_disabled+0x48/0x200 [ 157.019075] ? check_preemption_disabled+0x48/0x200 [ 157.024106] ? __lock_is_held+0xb5/0x140 [ 157.028176] __alloc_pages_nodemask+0xa80/0xde0 [ 157.032847] ? graph_lock+0x170/0x170 [ 157.036657] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 157.041670] ? graph_lock+0x170/0x170 [ 157.045484] ? find_held_lock+0x36/0x1c0 [ 157.049558] ? ____cache_alloc_node+0x1c7/0x1e0 [ 157.054227] ? lock_downgrade+0x900/0x900 [ 157.058384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.063937] cache_grow_begin+0x91/0x8c0 [ 157.068009] ? do_raw_spin_unlock+0xa7/0x2f0 [ 157.072442] fallback_alloc+0x203/0x2e0 [ 157.076427] ____cache_alloc_node+0x1c7/0x1e0 [ 157.080942] kmem_cache_alloc_node+0xe3/0x730 [ 157.085596] ? ipv6_get_ifaddr+0x42e/0x620 [ 157.089849] __alloc_skb+0x119/0x770 [ 157.093562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 157.098902] ? skb_scrub_packet+0x490/0x490 [ 157.103227] ? lock_downgrade+0x900/0x900 [ 157.107383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.112922] ? refcount_sub_and_test_checked+0x203/0x310 [ 157.118387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 157.124014] ? addrconf_rs_timer+0x6f0/0x6f0 [ 157.128454] ndisc_alloc_skb+0x144/0x340 [ 157.132522] ndisc_send_rs+0x331/0x6e0 [ 157.136421] addrconf_rs_timer+0x3c0/0x6f0 [ 157.140663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 157.144913] call_timer_fn+0x272/0x920 [ 157.148801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 157.153039] ? process_timeout+0x40/0x40 [ 157.157102] ? find_held_lock+0x36/0x1c0 [ 157.161172] ? __run_timers+0x7da/0xc70 [ 157.165157] ? _raw_spin_unlock_irq+0x27/0x80 [ 157.169655] ? _raw_spin_unlock_irq+0x27/0x80 [ 157.174152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 157.178387] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 157.182981] ? trace_hardirqs_on+0xbd/0x310 [ 157.187299] ? kasan_check_read+0x11/0x20 [ 157.191453] ? __run_timers+0x7da/0xc70 [ 157.195435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 157.200902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 157.205134] __run_timers+0x7e5/0xc70 [ 157.208948] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 157.214323] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 157.219338] ? graph_lock+0x170/0x170 [ 157.223163] ? enqueue_hrtimer+0x1a5/0x560 [ 157.227412] ? lock_release+0x970/0x970 [ 157.231402] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 157.236603] ? find_held_lock+0x36/0x1c0 [ 157.240668] ? graph_lock+0x170/0x170 [ 157.244481] ? pvclock_read_flags+0x160/0x160 [ 157.248999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.254537] ? check_preemption_disabled+0x48/0x200 [ 157.259567] ? __lock_is_held+0xb5/0x140 [ 157.263632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.269171] ? check_preemption_disabled+0x48/0x200 [ 157.274197] run_timer_softirq+0x52/0xb0 [ 157.278264] ? rcu_read_lock_sched_held+0x108/0x120 [ 157.283285] __do_softirq+0x30b/0xad8 [ 157.287113] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 157.292225] ? pvclock_read_flags+0x160/0x160 [ 157.296724] ? lapic_next_event+0x5a/0x90 [ 157.300874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.306409] ? check_preemption_disabled+0x48/0x200 [ 157.311425] ? check_preemption_disabled+0x48/0x200 [ 157.316458] ? kvm_clock_read+0x18/0x30 [ 157.320447] ? kvm_sched_clock_read+0x9/0x20 [ 157.324861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.330396] ? check_preemption_disabled+0x48/0x200 [ 157.335429] irq_exit+0x17f/0x1c0 [ 157.338891] smp_apic_timer_interrupt+0x1cb/0x760 [ 157.343736] ? smp_reschedule_interrupt+0x109/0x650 [ 157.348752] ? smp_call_function_single_interrupt+0x650/0x650 [ 157.354636] ? interrupt_entry+0xb5/0xf0 [ 157.358700] ? trace_hardirqs_off_caller+0xbb/0x300 [ 157.363723] ? trace_hardirqs_off_caller+0xbb/0x300 [ 157.368742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 157.373586] ? trace_hardirqs_off+0x300/0x300 [ 157.378089] ? trace_hardirqs_off+0x300/0x300 [ 157.382591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.388129] ? check_preemption_disabled+0x48/0x200 [ 157.393146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.398695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 157.403557] apic_timer_interrupt+0xf/0x20 [ 157.407789] [ 157.410030] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 157.414958] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 157.433869] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 157.441579] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 157.448850] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 157.456121] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 157.463386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 157.470659] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 157.477984] skb_clone+0x1bb/0x500 [ 157.481526] ? finish_task_switch+0x664/0x900 [ 157.486025] ? skb_split+0x11e0/0x11e0 [ 157.489914] ? preempt_notifier_register+0x200/0x200 [ 157.495043] ? __switch_to_asm+0x34/0x70 [ 157.499129] ? __switch_to_asm+0x34/0x70 [ 157.503190] ? __switch_to_asm+0x40/0x70 [ 157.507681] ? __switch_to_asm+0x34/0x70 [ 157.511745] ? __switch_to_asm+0x40/0x70 [ 157.515808] ? __switch_to_asm+0x34/0x70 [ 157.519872] ? __switch_to_asm+0x40/0x70 [ 157.523934] ? __switch_to_asm+0x34/0x70 [ 157.528001] ? __switch_to_asm+0x34/0x70 [ 157.532061] ? __switch_to_asm+0x40/0x70 [ 157.536119] ? __switch_to_asm+0x34/0x70 [ 157.540199] bpf_clone_redirect+0xb9/0x490 [ 157.544438] ? __schedule+0x874/0x1ed0 [ 157.548333] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 157.553359] ? __sched_text_start+0x8/0x8 [ 157.557508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 157.562276] ? find_held_lock+0x36/0x1c0 [ 157.566343] ? lock_acquire+0x1ed/0x520 [ 157.570315] ? bpf_test_run+0x32e/0x5a0 [ 157.574296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 157.579846] ? check_preemption_disabled+0x48/0x200 [ 157.584866] ? kasan_check_read+0x11/0x20 [ 157.589016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 157.594306] ? rcu_bh_qs+0xc0/0xc0 [ 157.597847] ? preempt_schedule+0x4d/0x60 [ 157.602001] ? ___preempt_schedule+0x16/0x18 [ 157.606421] ? bpf_test_run+0x1c0/0x5a0 [ 157.610411] ? netlink_diag_dump+0x2a0/0x2a0 [ 157.614825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 157.620363] ? bpf_test_init.isra.9+0x70/0x100 [ 157.624949] ? bpf_prog_test_run_skb+0x634/0xb40 [ 157.629721] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 157.634564] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 157.640099] ? fput+0x130/0x1a0 [ 157.643381] ? __bpf_prog_get+0x9b/0x290 [ 157.647446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 157.652293] ? bpf_prog_test_run+0x130/0x1a0 [ 157.656707] ? __x64_sys_bpf+0x3d8/0x510 [ 157.660769] ? bpf_prog_get+0x20/0x20 [ 157.664577] ? ksys_ioctl+0x81/0xd0 [ 157.668226] ? do_syscall_64+0x1b9/0x820 [ 157.672296] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 157.677661] ? syscall_return_slowpath+0x5e0/0x5e0 [ 157.682594] ? trace_hardirqs_off+0x300/0x300 [ 157.687093] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 157.692112] ? recalc_sigpending_tsk+0x180/0x180 [ 157.696870] ? kasan_check_write+0x14/0x20 [ 157.701115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 157.705976] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 157.711360] warn_alloc_show_mem: 1 callbacks suppressed [ 157.711372] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 157.711375] Mem-Info: [ 157.711405] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 157.711405] active_file:17 inactive_file:11 isolated_file:5 [ 157.711405] unevictable:0 dirty:0 writeback:0 unstable:0 [ 157.711405] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 157.711405] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 157.711405] free:13528 free_pcp:440 free_cma:0 [ 157.716753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.723953] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 157.726354] Call Trace: [ 157.759222] Node 0 [ 157.768569] [ 157.796342] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 157.798909] dump_stack+0x1c4/0x2b4 [ 157.801116] lowmem_reserve[]: 0 [ 157.803272] ? dump_stack_print_info.cold.2+0x52/0x52 [ 157.828748] 2815 6318 [ 157.832404] warn_alloc.cold.118+0xb7/0x1bd [ 157.835646] 6318 [ 157.840835] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 157.847630] ? lock_downgrade+0x900/0x900 [ 157.849672] Node 0 [ 157.854514] ? trace_hardirqs_off+0xb8/0x300 [ 157.858667] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 157.860877] ? trace_hardirqs_off+0xb8/0x300 [ 157.865253] lowmem_reserve[]: 0 [ 157.892422] __alloc_pages_slowpath+0x2667/0x2d80 [ 157.896809] 0 [ 157.900113] ? warn_alloc+0x120/0x120 [ 157.904906] 3503 [ 157.906705] ? trace_hardirqs_on+0x310/0x310 [ 157.910475] 3503 [ 157.912634] ? warn_alloc+0x120/0x120 [ 157.917018] Node 0 [ 157.919085] ? print_usage_bug+0xc0/0xc0 [ 157.922887] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 157.925092] ? warn_alloc+0x120/0x120 [ 157.929123] lowmem_reserve[]: 0 [ 157.957579] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 157.957596] ? print_usage_bug+0xc0/0xc0 [ 157.961381] 0 [ 157.964656] ? __lock_acquire+0x7ec/0x4ec0 [ 157.969647] 0 [ 157.973703] ? __lock_acquire+0x7ec/0x4ec0 [ 157.975484] 0 [ 157.979713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 157.985749] ? should_fail+0x22d/0xd01 [ 157.987527] Node 0 [ 157.993066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 157.996926] DMA: 1*4kB [ 157.999166] ? __lock_acquire+0x7ec/0x4ec0 [ 158.004245] (U) [ 158.006828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 158.011043] 0*8kB [ 158.013023] ? __lock_acquire+0x7ec/0x4ec0 [ 158.018102] 0*16kB [ 158.020249] ? should_fail+0x22d/0xd01 [ 158.024460] 1*32kB [ 158.026702] ? print_usage_bug+0xc0/0xc0 [ 158.030567] (U) [ 158.032806] ? mark_held_locks+0x130/0x130 [ 158.036832] 2*64kB (U) [ 158.038818] ? mark_held_locks+0x130/0x130 [ 158.043028] 1*128kB [ 158.045613] ? graph_lock+0x170/0x170 [ 158.049816] (U) 1*256kB [ 158.052149] ? print_usage_bug+0xc0/0xc0 [ 158.055931] (U) [ 158.058595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 158.058614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.062655] 0*512kB [ 158.064629] ? check_preemption_disabled+0x48/0x200 [ 158.069366] 1*1024kB [ 158.074895] ? check_preemption_disabled+0x48/0x200 [ 158.077198] (U) [ 158.082215] ? __lock_is_held+0xb5/0x140 [ 158.084604] 1*2048kB [ 158.089622] __alloc_pages_nodemask+0xa80/0xde0 [ 158.091575] (M) [ 158.095629] ? graph_lock+0x170/0x170 [ 158.098021] 3*4096kB [ 158.102683] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 158.104635] (M) [ 158.108430] ? graph_lock+0x170/0x170 [ 158.110818] = 15908kB [ 158.110828] Node 0 [ 158.115846] ? find_held_lock+0x36/0x1c0 [ 158.117792] DMA32: [ 158.121598] ? ____cache_alloc_node+0x1c7/0x1e0 [ 158.123987] 4*4kB [ 158.126222] ? lock_downgrade+0x900/0x900 [ 158.130258] (UM) [ 158.132501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.137138] 3*8kB (UM) [ 158.139296] cache_grow_begin+0x91/0x8c0 [ 158.143426] 1*16kB [ 158.145491] ? do_raw_spin_unlock+0xa7/0x2f0 [ 158.150997] (M) 2*32kB [ 158.153592] fallback_alloc+0x203/0x2e0 [ 158.157616] (UM) 3*64kB [ 158.159868] ____cache_alloc_node+0x1c7/0x1e0 [ 158.164252] (UM) [ 158.166835] kmem_cache_alloc_node+0xe3/0x730 [ 158.170782] 4*128kB (UM) [ 158.173462] ? ipv6_get_ifaddr+0x42e/0x620 [ 158.177936] 2*256kB [ 158.180000] __alloc_skb+0x119/0x770 [ 158.184458] (M) 4*512kB [ 158.187235] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 158.191437] (UM) 3*1024kB [ 158.193772] ? skb_scrub_packet+0x490/0x490 [ 158.197551] (M) [ 158.200218] ? lock_downgrade+0x900/0x900 [ 158.205470] 1*2048kB [ 158.208320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.212612] (M) [ 158.214585] ? refcount_sub_and_test_checked+0x203/0x310 [ 158.218707] 4*4096kB [ 158.221112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 158.226616] (M) = 24888kB [ 158.228601] ? addrconf_rs_timer+0x6f0/0x6f0 [ 158.234025] Node 0 [ 158.236439] ndisc_alloc_skb+0x144/0x340 [ 158.241855] Normal: [ 158.244614] ndisc_send_rs+0x331/0x6e0 [ 158.248997] 1035*4kB [ 158.251232] addrconf_rs_timer+0x3c0/0x6f0 [ 158.255270] (MEH) [ 158.257597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 158.261458] 457*8kB [ 158.263879] call_timer_fn+0x272/0x920 [ 158.268080] (UMEH) [ 158.270225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 158.274440] 163*16kB [ 158.276760] ? process_timeout+0x40/0x40 [ 158.280621] (MEH) [ 158.282857] ? find_held_lock+0x36/0x1c0 [ 158.287073] 58*32kB [ 158.289495] ? __run_timers+0x7da/0xc70 [ 158.293523] (UMEH) [ 158.295669] ? _raw_spin_unlock_irq+0x27/0x80 [ 158.299707] 13*64kB [ 158.302025] ? _raw_spin_unlock_irq+0x27/0x80 [ 158.305983] (UMH) [ 158.308219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 158.312685] 2*128kB (H) [ 158.315022] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 158.319495] 0*256kB [ 158.321644] ? trace_hardirqs_on+0xbd/0x310 [ 158.325855] 0*512kB [ 158.328533] ? kasan_check_read+0x11/0x20 [ 158.333094] 0*1024kB [ 158.335418] ? __run_timers+0x7da/0xc70 [ 158.339710] 0*2048kB 0*4096kB [ 158.342040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 158.346163] = 13348kB [ 158.348572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 158.352527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 158.355711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 158.361143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 158.363545] __run_timers+0x7e5/0xc70 [ 158.367758] 412 total pagecache pages [ 158.376606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 158.380810] 0 pages in swap cache [ 158.389381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 158.393160] Swap cache stats: add 0, delete 0, find 0/0 [ 158.396955] ? graph_lock+0x170/0x170 [ 158.402576] Free swap = 0kB [ 158.402586] Total swap = 0kB [ 158.406047] ? enqueue_hrtimer+0x1a5/0x560 [ 158.411038] 1965979 pages RAM [ 158.416407] ? lock_release+0x970/0x970 [ 158.420185] 0 pages HighMem/MovableOnly [ 158.423214] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 158.426194] 343323 pages reserved [ 158.426205] 0 pages cma reserved [ 158.430443] ? find_held_lock+0x36/0x1c0 [ 158.433596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 158.437515] ? graph_lock+0x170/0x170 [ 158.437531] ? pvclock_read_flags+0x160/0x160 [ 158.437547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.437564] ? check_preemption_disabled+0x48/0x200 [ 158.441581] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 158.446715] ? __lock_is_held+0xb5/0x140 [ 158.450142] syz-executor3 cpuset= [ 158.453510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.457553] syz3 [ 158.464055] ? check_preemption_disabled+0x48/0x200 [ 158.467845] mems_allowed=0 [ 158.472344] run_timer_softirq+0x52/0xb0 [ 158.520281] ? rcu_read_lock_sched_held+0x108/0x120 [ 158.525309] __do_softirq+0x30b/0xad8 [ 158.529131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 158.534266] ? pvclock_read_flags+0x160/0x160 [ 158.538772] ? lapic_next_event+0x5a/0x90 [ 158.542930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.548476] ? check_preemption_disabled+0x48/0x200 [ 158.553496] ? check_preemption_disabled+0x48/0x200 [ 158.558522] ? kvm_clock_read+0x18/0x30 [ 158.562505] ? kvm_sched_clock_read+0x9/0x20 [ 158.566927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.572479] ? check_preemption_disabled+0x48/0x200 [ 158.577522] irq_exit+0x17f/0x1c0 [ 158.580983] smp_apic_timer_interrupt+0x1cb/0x760 [ 158.585835] ? smp_reschedule_interrupt+0x109/0x650 [ 158.590861] ? smp_call_function_single_interrupt+0x650/0x650 [ 158.596749] ? interrupt_entry+0xb5/0xf0 [ 158.600813] ? trace_hardirqs_off_caller+0xbb/0x300 [ 158.605831] ? trace_hardirqs_off_caller+0xbb/0x300 [ 158.610852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 158.615796] ? trace_hardirqs_off+0x300/0x300 [ 158.620292] ? trace_hardirqs_off+0x300/0x300 [ 158.624788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.630330] ? check_preemption_disabled+0x48/0x200 [ 158.635352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.640899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 158.645762] apic_timer_interrupt+0xf/0x20 [ 158.649997] [ 158.652242] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 158.657180] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 158.676114] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 158.683832] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 158.691101] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 158.698370] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 158.705641] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 158.712914] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 158.720240] skb_clone+0x1bb/0x500 [ 158.723786] ? finish_task_switch+0x1b5/0x900 [ 158.728287] ? skb_split+0x11e0/0x11e0 [ 158.732203] ? preempt_notifier_register+0x200/0x200 [ 158.737306] ? __switch_to_asm+0x34/0x70 [ 158.741368] ? __switch_to_asm+0x34/0x70 [ 158.745425] ? __switch_to_asm+0x40/0x70 [ 158.749489] ? __switch_to_asm+0x34/0x70 [ 158.753551] ? __switch_to_asm+0x40/0x70 [ 158.757613] ? __switch_to_asm+0x34/0x70 [ 158.761676] ? __switch_to_asm+0x40/0x70 [ 158.765736] ? __switch_to_asm+0x34/0x70 [ 158.769800] ? __switch_to_asm+0x34/0x70 [ 158.773859] ? __switch_to_asm+0x40/0x70 [ 158.777916] ? __switch_to_asm+0x34/0x70 [ 158.781988] bpf_clone_redirect+0xb9/0x490 [ 158.786234] ? __schedule+0x874/0x1ed0 [ 158.790131] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 158.795155] ? __sched_text_start+0x8/0x8 [ 158.799313] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 158.804078] ? find_held_lock+0x36/0x1c0 [ 158.808152] ? lock_acquire+0x1ed/0x520 [ 158.812124] ? bpf_test_run+0x32e/0x5a0 [ 158.816098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.821636] ? check_preemption_disabled+0x48/0x200 [ 158.826667] ? kasan_check_read+0x11/0x20 [ 158.830821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 158.836102] ? rcu_bh_qs+0xc0/0xc0 [ 158.839645] ? preempt_schedule+0x4d/0x60 [ 158.843793] ? ___preempt_schedule+0x16/0x18 [ 158.848219] ? bpf_test_run+0x1c0/0x5a0 [ 158.852215] ? netlink_diag_dump+0x2a0/0x2a0 [ 158.856631] ? bpf_prog_test_run_skb+0x295/0xb40 [ 158.861398] ? bpf_prog_test_run_skb+0x634/0xb40 [ 158.866164] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 158.871013] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 158.876550] ? fput+0x130/0x1a0 [ 158.879829] ? __bpf_prog_get+0x9b/0x290 [ 158.883891] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 158.888735] ? bpf_prog_test_run+0x130/0x1a0 [ 158.893148] ? __x64_sys_bpf+0x3d8/0x510 [ 158.897218] ? bpf_prog_get+0x20/0x20 [ 158.901039] ? do_syscall_64+0x1b9/0x820 [ 158.905102] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 158.910475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 158.915409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 158.920254] ? trace_hardirqs_off+0x300/0x300 [ 158.924754] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 158.929774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 158.935316] ? prepare_exit_to_usermode+0x291/0x3b0 [ 158.940340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 158.945198] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 158.950588] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 158.950658] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 158.957790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.957795] Call Trace: [ 158.957803] [ 158.957820] dump_stack+0x1c4/0x2b4 [ 158.957837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 158.964406] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 158.973720] warn_alloc.cold.118+0xb7/0x1bd [ 158.976277] syz-executor3 cpuset= [ 158.978425] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 158.982034] syz3 [ 158.987220] ? lock_downgrade+0x900/0x900 [ 158.997685] mems_allowed=0 [ 159.002007] ? trace_hardirqs_off+0xb8/0x300 [ 159.023684] ? trace_hardirqs_off+0xb8/0x300 [ 159.028103] __alloc_pages_slowpath+0x2667/0x2d80 [ 159.032985] ? warn_alloc+0x120/0x120 [ 159.036795] ? warn_alloc+0x120/0x120 [ 159.040606] ? print_usage_bug+0xc0/0xc0 [ 159.044688] ? warn_alloc+0x120/0x120 [ 159.048490] ? print_usage_bug+0xc0/0xc0 [ 159.052560] ? __lock_acquire+0x7ec/0x4ec0 [ 159.056795] ? __lock_acquire+0x7ec/0x4ec0 [ 159.061033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 159.066570] ? should_fail+0x22d/0xd01 [ 159.070464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 159.075569] ? __lock_acquire+0x7ec/0x4ec0 [ 159.079813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 159.084918] ? __lock_acquire+0x7ec/0x4ec0 [ 159.089152] ? should_fail+0x22d/0xd01 [ 159.093050] ? mark_held_locks+0x130/0x130 [ 159.097295] ? mark_held_locks+0x130/0x130 [ 159.101529] ? graph_lock+0x170/0x170 [ 159.105329] ? graph_lock+0x170/0x170 [ 159.109135] ? graph_lock+0x170/0x170 [ 159.112946] ? print_usage_bug+0xc0/0xc0 [ 159.117015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.122557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.128099] ? check_preemption_disabled+0x48/0x200 [ 159.133113] ? check_preemption_disabled+0x48/0x200 [ 159.138142] ? __lock_is_held+0xb5/0x140 [ 159.142239] __alloc_pages_nodemask+0xa80/0xde0 [ 159.146910] ? graph_lock+0x170/0x170 [ 159.150717] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 159.155733] ? graph_lock+0x170/0x170 [ 159.159545] ? find_held_lock+0x36/0x1c0 [ 159.163619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 159.168293] ? lock_downgrade+0x900/0x900 [ 159.172450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.178006] cache_grow_begin+0x91/0x8c0 [ 159.182073] ? do_raw_spin_unlock+0xa7/0x2f0 [ 159.186490] fallback_alloc+0x203/0x2e0 [ 159.190476] ____cache_alloc_node+0x1c7/0x1e0 [ 159.194988] kmem_cache_alloc_node+0xe3/0x730 [ 159.199489] ? ipv6_get_ifaddr+0x42e/0x620 [ 159.203736] __alloc_skb+0x119/0x770 [ 159.207455] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 159.212737] ? skb_scrub_packet+0x490/0x490 [ 159.217062] ? lock_downgrade+0x900/0x900 [ 159.221222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.226761] ? refcount_sub_and_test_checked+0x203/0x310 [ 159.232219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 159.237677] ? addrconf_rs_timer+0x6f0/0x6f0 [ 159.242101] ndisc_alloc_skb+0x144/0x340 [ 159.246173] ndisc_send_rs+0x331/0x6e0 [ 159.250069] addrconf_rs_timer+0x3c0/0x6f0 [ 159.254321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 159.258576] call_timer_fn+0x272/0x920 [ 159.262470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 159.266708] ? process_timeout+0x40/0x40 [ 159.270770] ? find_held_lock+0x36/0x1c0 [ 159.274841] ? __run_timers+0x7da/0xc70 [ 159.278819] ? _raw_spin_unlock_irq+0x27/0x80 [ 159.283328] ? _raw_spin_unlock_irq+0x27/0x80 [ 159.287824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 159.292063] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 159.296647] ? trace_hardirqs_on+0xbd/0x310 [ 159.300966] ? kasan_check_read+0x11/0x20 [ 159.305124] ? __run_timers+0x7da/0xc70 [ 159.309104] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 159.314569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 159.318806] __run_timers+0x7e5/0xc70 [ 159.322621] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 159.327993] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 159.333013] ? graph_lock+0x170/0x170 [ 159.336822] ? enqueue_hrtimer+0x1a5/0x560 [ 159.341054] ? lock_release+0x970/0x970 [ 159.345029] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 159.350230] ? find_held_lock+0x36/0x1c0 [ 159.354300] ? graph_lock+0x170/0x170 [ 159.358101] ? pvclock_read_flags+0x160/0x160 [ 159.362602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.368142] ? check_preemption_disabled+0x48/0x200 [ 159.373175] ? __lock_is_held+0xb5/0x140 [ 159.377244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.382785] ? check_preemption_disabled+0x48/0x200 [ 159.387810] run_timer_softirq+0x52/0xb0 [ 159.391873] ? rcu_read_lock_sched_held+0x108/0x120 [ 159.396893] __do_softirq+0x30b/0xad8 [ 159.400714] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 159.405830] ? pvclock_read_flags+0x160/0x160 [ 159.410325] ? lapic_next_event+0x5a/0x90 [ 159.414479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.420018] ? check_preemption_disabled+0x48/0x200 [ 159.425033] ? check_preemption_disabled+0x48/0x200 [ 159.430060] ? kvm_clock_read+0x18/0x30 [ 159.434034] ? kvm_sched_clock_read+0x9/0x20 [ 159.438447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.443995] ? check_preemption_disabled+0x48/0x200 [ 159.449030] irq_exit+0x17f/0x1c0 [ 159.452489] smp_apic_timer_interrupt+0x1cb/0x760 [ 159.457332] ? smp_reschedule_interrupt+0x109/0x650 [ 159.462353] ? smp_call_function_single_interrupt+0x650/0x650 [ 159.468241] ? interrupt_entry+0xb5/0xf0 [ 159.472311] ? trace_hardirqs_off_caller+0xbb/0x300 [ 159.477326] ? trace_hardirqs_off_caller+0xbb/0x300 [ 159.482348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 159.487193] ? trace_hardirqs_off+0x300/0x300 [ 159.491686] ? trace_hardirqs_off+0x300/0x300 [ 159.496184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.501723] ? check_preemption_disabled+0x48/0x200 [ 159.506968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.512528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 159.517391] apic_timer_interrupt+0xf/0x20 [ 159.521624] [ 159.523867] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 159.528799] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 159.547718] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 159.555437] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 159.562710] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 159.569986] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 159.577259] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 159.584529] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 159.591849] skb_clone+0x1bb/0x500 [ 159.595395] ? finish_task_switch+0x664/0x900 [ 159.599892] ? skb_split+0x11e0/0x11e0 [ 159.603784] ? preempt_notifier_register+0x200/0x200 [ 159.608890] ? __switch_to_asm+0x34/0x70 [ 159.612956] ? __switch_to_asm+0x34/0x70 [ 159.617018] ? __switch_to_asm+0x40/0x70 [ 159.621076] ? __switch_to_asm+0x34/0x70 [ 159.625138] ? __switch_to_asm+0x40/0x70 [ 159.629208] ? __switch_to_asm+0x34/0x70 [ 159.633281] ? __switch_to_asm+0x40/0x70 [ 159.637344] ? __switch_to_asm+0x34/0x70 [ 159.641412] ? __switch_to_asm+0x34/0x70 [ 159.645469] ? __switch_to_asm+0x40/0x70 [ 159.649533] ? __switch_to_asm+0x34/0x70 [ 159.653605] bpf_clone_redirect+0xb9/0x490 [ 159.657844] ? __schedule+0x874/0x1ed0 [ 159.661743] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 159.666764] ? __sched_text_start+0x8/0x8 [ 159.670914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 159.675693] ? find_held_lock+0x36/0x1c0 [ 159.679771] ? lock_acquire+0x1ed/0x520 [ 159.683745] ? bpf_test_run+0x32e/0x5a0 [ 159.687720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 159.693256] ? check_preemption_disabled+0x48/0x200 [ 159.698280] ? kasan_check_read+0x11/0x20 [ 159.702431] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 159.707712] ? rcu_bh_qs+0xc0/0xc0 [ 159.711256] ? preempt_schedule+0x4d/0x60 [ 159.715410] ? ___preempt_schedule+0x16/0x18 [ 159.719835] ? bpf_test_run+0x1c0/0x5a0 [ 159.723821] ? netlink_diag_dump+0x2a0/0x2a0 [ 159.728238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 159.733778] ? bpf_test_init.isra.9+0x70/0x100 [ 159.738368] ? bpf_prog_test_run_skb+0x634/0xb40 [ 159.743136] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 159.747984] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 159.753520] ? fput+0x130/0x1a0 [ 159.756896] ? __bpf_prog_get+0x9b/0x290 [ 159.760966] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 159.765818] ? bpf_prog_test_run+0x130/0x1a0 [ 159.770237] ? __x64_sys_bpf+0x3d8/0x510 [ 159.774301] ? bpf_prog_get+0x20/0x20 [ 159.778112] ? ksys_ioctl+0x81/0xd0 [ 159.781753] ? do_syscall_64+0x1b9/0x820 [ 159.785814] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 159.791186] ? syscall_return_slowpath+0x5e0/0x5e0 [ 159.796119] ? trace_hardirqs_off+0x300/0x300 [ 159.800624] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 159.805644] ? recalc_sigpending_tsk+0x180/0x180 [ 159.810427] ? kasan_check_write+0x14/0x20 [ 159.814669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 159.819526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 159.824912] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 159.824918] warn_alloc_show_mem: 1 callbacks suppressed [ 159.824926] Mem-Info: [ 159.832114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.832123] Call Trace: [ 159.837505] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 159.837505] active_file:17 inactive_file:11 isolated_file:5 [ 159.837505] unevictable:0 dirty:0 writeback:0 unstable:0 [ 159.837505] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 159.837505] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 159.837505] free:13528 free_pcp:440 free_cma:0 [ 159.839879] [ 159.849243] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 159.851827] dump_stack+0x1c4/0x2b4 [ 159.884687] Node 0 [ 159.886847] ? dump_stack_print_info.cold.2+0x52/0x52 [ 159.914607] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 159.918234] warn_alloc.cold.118+0xb7/0x1bd [ 159.920428] lowmem_reserve[]: 0 [ 159.925627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 159.951107] 2815 6318 [ 159.955443] ? lock_downgrade+0x900/0x900 [ 159.958690] 6318 [ 159.963543] ? trace_hardirqs_off+0xb8/0x300 [ 159.966017] Node 0 [ 159.970162] ? trace_hardirqs_off+0xb8/0x300 [ 159.972228] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 159.972236] lowmem_reserve[]: [ 159.976649] __alloc_pages_slowpath+0x2667/0x2d80 [ 159.978857] 0 [ 159.983287] ? warn_alloc+0x120/0x120 [ 160.010394] 0 [ 160.013511] ? warn_alloc+0x120/0x120 [ 160.018325] 3503 [ 160.020121] ? print_usage_bug+0xc0/0xc0 [ 160.020138] ? warn_alloc+0x120/0x120 [ 160.023922] 3503 [ 160.025719] ? print_usage_bug+0xc0/0xc0 [ 160.031554] ? __lock_acquire+0x7ec/0x4ec0 [ 160.035594] Node 0 [ 160.039389] ? __lock_acquire+0x7ec/0x4ec0 [ 160.041458] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 160.045518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 160.049705] lowmem_reserve[]: 0 [ 160.051953] ? should_fail+0x22d/0xd01 [ 160.056167] 0 [ 160.084638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 160.090159] 0 [ 160.093440] ? __lock_acquire+0x7ec/0x4ec0 [ 160.097301] 0 [ 160.099105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 160.105982] ? __lock_acquire+0x7ec/0x4ec0 [ 160.105999] ? should_fail+0x22d/0xd01 [ 160.110217] Node 0 [ 160.112022] ? mark_held_locks+0x130/0x130 [ 160.117094] DMA: [ 160.121325] ? mark_held_locks+0x130/0x130 [ 160.125200] 1*4kB [ 160.127432] ? graph_lock+0x170/0x170 [ 160.131645] (U) [ 160.133703] ? graph_lock+0x170/0x170 [ 160.137911] 0*8kB 0*16kB [ 160.140067] ? graph_lock+0x170/0x170 [ 160.143840] 1*32kB (U) [ 160.145824] ? print_usage_bug+0xc0/0xc0 [ 160.149602] 2*64kB [ 160.152359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.156154] (U) [ 160.158741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.162774] 1*128kB (U) [ 160.165018] ? check_preemption_disabled+0x48/0x200 [ 160.170525] 1*256kB (U) [ 160.172504] ? check_preemption_disabled+0x48/0x200 [ 160.178015] 0*512kB 1*1024kB [ 160.180701] ? __lock_is_held+0xb5/0x140 [ 160.185684] (U) 1*2048kB [ 160.188368] __alloc_pages_nodemask+0xa80/0xde0 [ 160.193359] (M) [ 160.196460] ? graph_lock+0x170/0x170 [ 160.200497] 3*4096kB (M) [ 160.203263] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 160.207902] = 15908kB [ 160.207912] Node 0 [ 160.209884] ? graph_lock+0x170/0x170 [ 160.213658] DMA32: 4*4kB [ 160.216428] ? find_held_lock+0x36/0x1c0 [ 160.221415] (UM) [ 160.223828] ? ____cache_alloc_node+0x1c7/0x1e0 [ 160.226032] 3*8kB (UM) [ 160.229840] ? lock_downgrade+0x900/0x900 [ 160.232792] 1*16kB (M) [ 160.236866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.238901] 2*32kB (UM) [ 160.243579] cache_grow_begin+0x91/0x8c0 [ 160.246142] 3*64kB [ 160.250288] ? do_raw_spin_unlock+0xa7/0x2f0 [ 160.252871] (UM) 4*128kB [ 160.258424] fallback_alloc+0x203/0x2e0 [ 160.261068] (UM) 2*256kB [ 160.265139] ____cache_alloc_node+0x1c7/0x1e0 [ 160.267351] (M) [ 160.271762] kmem_cache_alloc_node+0xe3/0x730 [ 160.274491] 4*512kB (UM) [ 160.278484] ? ipv6_get_ifaddr+0x42e/0x620 [ 160.281242] 3*1024kB [ 160.285737] __alloc_skb+0x119/0x770 [ 160.287686] (M) [ 160.292179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 160.294905] 1*2048kB (M) [ 160.299143] ? skb_scrub_packet+0x490/0x490 [ 160.301532] 4*4096kB [ 160.305242] ? lock_downgrade+0x900/0x900 [ 160.307203] (M) [ 160.312488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.315216] = 24888kB [ 160.319533] ? refcount_sub_and_test_checked+0x203/0x310 [ 160.321921] Node 0 [ 160.326064] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 160.328014] Normal: [ 160.333548] ? addrconf_rs_timer+0x6f0/0x6f0 [ 160.335941] 1035*4kB [ 160.341395] ndisc_alloc_skb+0x144/0x340 [ 160.343605] (MEH) [ 160.349053] ndisc_send_rs+0x331/0x6e0 [ 160.351353] 457*8kB [ 160.355759] addrconf_rs_timer+0x3c0/0x6f0 [ 160.358147] (UMEH) [ 160.362212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 160.364338] 163*16kB [ 160.368233] call_timer_fn+0x272/0x920 [ 160.370529] (MEH) [ 160.374763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 160.376980] 58*32kB (UMEH) [ 160.381225] ? process_timeout+0x40/0x40 [ 160.383616] 13*64kB (UMH) [ 160.387515] ? find_held_lock+0x36/0x1c0 [ 160.389646] 2*128kB [ 160.393883] ? __run_timers+0x7da/0xc70 [ 160.396784] (H) 0*256kB [ 160.401368] ? _raw_spin_unlock_irq+0x27/0x80 [ 160.404225] 0*512kB [ 160.408288] ? _raw_spin_unlock_irq+0x27/0x80 [ 160.410593] 0*1024kB [ 160.414566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 160.417227] 0*2048kB [ 160.421719] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 160.424015] 0*4096kB = 13348kB [ 160.428515] ? trace_hardirqs_on+0xbd/0x310 [ 160.430910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 160.435130] ? kasan_check_read+0x11/0x20 [ 160.437524] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 160.442097] ? __run_timers+0x7da/0xc70 [ 160.445268] 412 total pagecache pages [ 160.449585] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 160.458400] 0 pages in swap cache [ 160.462542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 160.471094] Swap cache stats: add 0, delete 0, find 0/0 [ 160.471104] Free swap = 0kB [ 160.475078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 160.478855] Total swap = 0kB [ 160.484301] __run_timers+0x7e5/0xc70 [ 160.487733] 1965979 pages RAM [ 160.491974] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 160.497311] 0 pages HighMem/MovableOnly [ 160.500324] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 160.504537] 343323 pages reserved [ 160.507548] ? graph_lock+0x170/0x170 [ 160.511328] 0 pages cma reserved [ 160.514428] ? enqueue_hrtimer+0x1a5/0x560 [ 160.519830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 160.523730] ? lock_release+0x970/0x970 [ 160.523747] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 160.528871] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 160.532197] ? find_held_lock+0x36/0x1c0 [ 160.535985] syz-executor3 cpuset= [ 160.539351] ? graph_lock+0x170/0x170 [ 160.543565] syz3 [ 160.550054] ? pvclock_read_flags+0x160/0x160 [ 160.554288] mems_allowed=0 [ 160.559481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.596093] ? check_preemption_disabled+0x48/0x200 [ 160.601123] ? __lock_is_held+0xb5/0x140 [ 160.605187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.610761] ? check_preemption_disabled+0x48/0x200 [ 160.615788] run_timer_softirq+0x52/0xb0 [ 160.619851] ? rcu_read_lock_sched_held+0x108/0x120 [ 160.624869] __do_softirq+0x30b/0xad8 [ 160.628684] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 160.633794] ? pvclock_read_flags+0x160/0x160 [ 160.638288] ? lapic_next_event+0x5a/0x90 [ 160.642438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.647984] ? check_preemption_disabled+0x48/0x200 [ 160.653000] ? check_preemption_disabled+0x48/0x200 [ 160.658023] ? kvm_clock_read+0x18/0x30 [ 160.661998] ? kvm_sched_clock_read+0x9/0x20 [ 160.666412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.671949] ? check_preemption_disabled+0x48/0x200 [ 160.676984] irq_exit+0x17f/0x1c0 [ 160.680447] smp_apic_timer_interrupt+0x1cb/0x760 [ 160.685298] ? smp_reschedule_interrupt+0x109/0x650 [ 160.690315] ? smp_call_function_single_interrupt+0x650/0x650 [ 160.696200] ? interrupt_entry+0xb5/0xf0 [ 160.700264] ? trace_hardirqs_off_caller+0xbb/0x300 [ 160.705280] ? trace_hardirqs_off_caller+0xbb/0x300 [ 160.710298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 160.715141] ? trace_hardirqs_off+0x300/0x300 [ 160.719633] ? trace_hardirqs_off+0x300/0x300 [ 160.724134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.729675] ? check_preemption_disabled+0x48/0x200 [ 160.734698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.740246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 160.745102] apic_timer_interrupt+0xf/0x20 [ 160.749331] [ 160.751571] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 160.756509] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 160.776201] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 160.783912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 160.791178] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 160.798447] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 160.805714] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 160.812980] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 160.820298] skb_clone+0x1bb/0x500 [ 160.823843] ? finish_task_switch+0x1b5/0x900 [ 160.828338] ? skb_split+0x11e0/0x11e0 [ 160.832230] ? preempt_notifier_register+0x200/0x200 [ 160.837332] ? __switch_to_asm+0x34/0x70 [ 160.841393] ? __switch_to_asm+0x34/0x70 [ 160.845450] ? __switch_to_asm+0x40/0x70 [ 160.849512] ? __switch_to_asm+0x34/0x70 [ 160.853571] ? __switch_to_asm+0x40/0x70 [ 160.857629] ? __switch_to_asm+0x34/0x70 [ 160.861686] ? __switch_to_asm+0x40/0x70 [ 160.865743] ? __switch_to_asm+0x34/0x70 [ 160.869802] ? __switch_to_asm+0x34/0x70 [ 160.873859] ? __switch_to_asm+0x40/0x70 [ 160.877936] ? __switch_to_asm+0x34/0x70 [ 160.882010] bpf_clone_redirect+0xb9/0x490 [ 160.886252] ? __schedule+0x874/0x1ed0 [ 160.890146] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 160.895165] ? __sched_text_start+0x8/0x8 [ 160.899334] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 160.904100] ? find_held_lock+0x36/0x1c0 [ 160.908169] ? lock_acquire+0x1ed/0x520 [ 160.912149] ? bpf_test_run+0x32e/0x5a0 [ 160.916123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 160.921661] ? check_preemption_disabled+0x48/0x200 [ 160.926684] ? kasan_check_read+0x11/0x20 [ 160.930838] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 160.936115] ? rcu_bh_qs+0xc0/0xc0 [ 160.939662] ? preempt_schedule+0x4d/0x60 [ 160.943810] ? ___preempt_schedule+0x16/0x18 [ 160.948235] ? bpf_test_run+0x1c0/0x5a0 [ 160.952228] ? netlink_diag_dump+0x2a0/0x2a0 [ 160.956644] ? bpf_prog_test_run_skb+0x295/0xb40 [ 160.961407] ? bpf_prog_test_run_skb+0x634/0xb40 [ 160.966176] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 160.971033] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 160.976568] ? fput+0x130/0x1a0 [ 160.979849] ? __bpf_prog_get+0x9b/0x290 [ 160.983915] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 160.988757] ? bpf_prog_test_run+0x130/0x1a0 [ 160.993172] ? __x64_sys_bpf+0x3d8/0x510 [ 160.997243] ? bpf_prog_get+0x20/0x20 [ 161.001065] ? do_syscall_64+0x1b9/0x820 [ 161.005130] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 161.010502] ? syscall_return_slowpath+0x5e0/0x5e0 [ 161.015436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.020280] ? trace_hardirqs_off+0x300/0x300 [ 161.024775] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 161.029791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.035329] ? prepare_exit_to_usermode+0x291/0x3b0 [ 161.040357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.045216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.050605] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 161.050674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 161.057802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.057807] Call Trace: [ 161.057815] [ 161.057832] dump_stack+0x1c4/0x2b4 [ 161.057851] ? dump_stack_print_info.cold.2+0x52/0x52 [ 161.064387] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 161.073689] warn_alloc.cold.118+0xb7/0x1bd [ 161.076246] syz-executor3 cpuset= [ 161.078394] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 161.082000] syz3 [ 161.087188] ? lock_downgrade+0x900/0x900 [ 161.097657] mems_allowed=0 [ 161.101990] ? trace_hardirqs_off+0xb8/0x300 [ 161.123646] ? trace_hardirqs_off+0xb8/0x300 [ 161.128064] __alloc_pages_slowpath+0x2667/0x2d80 [ 161.132944] ? warn_alloc+0x120/0x120 [ 161.136755] ? trace_hardirqs_on+0x310/0x310 [ 161.141165] ? warn_alloc+0x120/0x120 [ 161.144979] ? print_usage_bug+0xc0/0xc0 [ 161.149048] ? warn_alloc+0x120/0x120 [ 161.152848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 161.157868] ? print_usage_bug+0xc0/0xc0 [ 161.161941] ? __lock_acquire+0x7ec/0x4ec0 [ 161.166183] ? __lock_acquire+0x7ec/0x4ec0 [ 161.170420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 161.175956] ? should_fail+0x22d/0xd01 [ 161.179856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 161.184964] ? __lock_acquire+0x7ec/0x4ec0 [ 161.189209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 161.194310] ? __lock_acquire+0x7ec/0x4ec0 [ 161.198546] ? should_fail+0x22d/0xd01 [ 161.202430] ? print_usage_bug+0xc0/0xc0 [ 161.206501] ? mark_held_locks+0x130/0x130 [ 161.210746] ? mark_held_locks+0x130/0x130 [ 161.214997] ? graph_lock+0x170/0x170 [ 161.218802] ? print_usage_bug+0xc0/0xc0 [ 161.222863] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 161.227621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.233160] ? check_preemption_disabled+0x48/0x200 [ 161.238178] ? check_preemption_disabled+0x48/0x200 [ 161.243207] ? __lock_is_held+0xb5/0x140 [ 161.247276] __alloc_pages_nodemask+0xa80/0xde0 [ 161.251950] ? graph_lock+0x170/0x170 [ 161.255760] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 161.260779] ? graph_lock+0x170/0x170 [ 161.264599] ? find_held_lock+0x36/0x1c0 [ 161.268672] ? ____cache_alloc_node+0x1c7/0x1e0 [ 161.273343] ? lock_downgrade+0x900/0x900 [ 161.277501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.283054] cache_grow_begin+0x91/0x8c0 [ 161.287120] ? do_raw_spin_unlock+0xa7/0x2f0 [ 161.291539] fallback_alloc+0x203/0x2e0 [ 161.295526] ____cache_alloc_node+0x1c7/0x1e0 [ 161.300028] kmem_cache_alloc_node+0xe3/0x730 [ 161.304536] ? ipv6_get_ifaddr+0x42e/0x620 [ 161.308782] __alloc_skb+0x119/0x770 [ 161.312501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 161.317787] ? skb_scrub_packet+0x490/0x490 [ 161.322107] ? lock_downgrade+0x900/0x900 [ 161.326271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.331809] ? refcount_sub_and_test_checked+0x203/0x310 [ 161.337268] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 161.342719] ? addrconf_rs_timer+0x6f0/0x6f0 [ 161.347141] ndisc_alloc_skb+0x144/0x340 [ 161.351208] ndisc_send_rs+0x331/0x6e0 [ 161.355110] addrconf_rs_timer+0x3c0/0x6f0 [ 161.359353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 161.363612] call_timer_fn+0x272/0x920 [ 161.367509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 161.371751] ? process_timeout+0x40/0x40 [ 161.375815] ? find_held_lock+0x36/0x1c0 [ 161.379889] ? __run_timers+0x7da/0xc70 [ 161.383865] ? _raw_spin_unlock_irq+0x27/0x80 [ 161.388360] ? _raw_spin_unlock_irq+0x27/0x80 [ 161.392858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 161.397094] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 161.401682] ? trace_hardirqs_on+0xbd/0x310 [ 161.406002] ? kasan_check_read+0x11/0x20 [ 161.410154] ? __run_timers+0x7da/0xc70 [ 161.414130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 161.419597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 161.423832] __run_timers+0x7e5/0xc70 [ 161.427647] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 161.433013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 161.438029] ? graph_lock+0x170/0x170 [ 161.441833] ? enqueue_hrtimer+0x1a5/0x560 [ 161.446064] ? lock_release+0x970/0x970 [ 161.450042] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 161.455245] ? find_held_lock+0x36/0x1c0 [ 161.459312] ? graph_lock+0x170/0x170 [ 161.463120] ? pvclock_read_flags+0x160/0x160 [ 161.467619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.473156] ? check_preemption_disabled+0x48/0x200 [ 161.478187] ? __lock_is_held+0xb5/0x140 [ 161.482256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.487793] ? check_preemption_disabled+0x48/0x200 [ 161.492842] run_timer_softirq+0x52/0xb0 [ 161.496903] ? rcu_read_lock_sched_held+0x108/0x120 [ 161.501922] __do_softirq+0x30b/0xad8 [ 161.505735] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 161.511314] ? pvclock_read_flags+0x160/0x160 [ 161.515809] ? lapic_next_event+0x5a/0x90 [ 161.519958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.525501] ? check_preemption_disabled+0x48/0x200 [ 161.530520] ? check_preemption_disabled+0x48/0x200 [ 161.535543] ? kvm_clock_read+0x18/0x30 [ 161.539516] ? kvm_sched_clock_read+0x9/0x20 [ 161.543932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.549473] ? check_preemption_disabled+0x48/0x200 [ 161.554507] irq_exit+0x17f/0x1c0 [ 161.557966] smp_apic_timer_interrupt+0x1cb/0x760 [ 161.562813] ? smp_reschedule_interrupt+0x109/0x650 [ 161.567831] ? smp_call_function_single_interrupt+0x650/0x650 [ 161.573713] ? interrupt_entry+0xb5/0xf0 [ 161.577778] ? trace_hardirqs_off_caller+0xbb/0x300 [ 161.582798] ? trace_hardirqs_off_caller+0xbb/0x300 [ 161.587817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.592662] ? trace_hardirqs_off+0x300/0x300 [ 161.597154] ? trace_hardirqs_off+0x300/0x300 [ 161.601654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.607189] ? check_preemption_disabled+0x48/0x200 [ 161.612216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.617761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.622630] apic_timer_interrupt+0xf/0x20 [ 161.626862] [ 161.629102] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 161.634034] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 161.652937] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 161.660651] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 161.667934] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 161.675208] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 161.682477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 161.689745] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 161.697059] skb_clone+0x1bb/0x500 [ 161.700602] ? finish_task_switch+0x664/0x900 [ 161.705098] ? skb_split+0x11e0/0x11e0 [ 161.708994] ? preempt_notifier_register+0x200/0x200 [ 161.714096] ? __switch_to_asm+0x34/0x70 [ 161.718154] ? __switch_to_asm+0x34/0x70 [ 161.722223] ? __switch_to_asm+0x40/0x70 [ 161.726288] ? __switch_to_asm+0x34/0x70 [ 161.730352] ? __switch_to_asm+0x40/0x70 [ 161.734415] ? __switch_to_asm+0x34/0x70 [ 161.738473] ? __switch_to_asm+0x40/0x70 [ 161.742532] ? __switch_to_asm+0x34/0x70 [ 161.746595] ? __switch_to_asm+0x34/0x70 [ 161.750659] ? __switch_to_asm+0x40/0x70 [ 161.754717] ? __switch_to_asm+0x34/0x70 [ 161.758786] bpf_clone_redirect+0xb9/0x490 [ 161.763028] ? __schedule+0x874/0x1ed0 [ 161.766925] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 161.771947] ? __sched_text_start+0x8/0x8 [ 161.776102] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 161.780874] ? find_held_lock+0x36/0x1c0 [ 161.784944] ? lock_acquire+0x1ed/0x520 [ 161.788926] ? bpf_test_run+0x32e/0x5a0 [ 161.792905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 161.798443] ? check_preemption_disabled+0x48/0x200 [ 161.803463] ? kasan_check_read+0x11/0x20 [ 161.807615] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 161.812892] ? rcu_bh_qs+0xc0/0xc0 [ 161.816446] ? preempt_schedule+0x4d/0x60 [ 161.820602] ? ___preempt_schedule+0x16/0x18 [ 161.825020] ? bpf_test_run+0x1c0/0x5a0 [ 161.829008] ? netlink_diag_dump+0x2a0/0x2a0 [ 161.833421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 161.838958] ? bpf_test_init.isra.9+0x70/0x100 [ 161.843554] ? bpf_prog_test_run_skb+0x634/0xb40 [ 161.848317] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 161.853162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 161.858707] ? fput+0x130/0x1a0 [ 161.861995] ? __bpf_prog_get+0x9b/0x290 [ 161.866058] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 161.870896] ? bpf_prog_test_run+0x130/0x1a0 [ 161.875310] ? __x64_sys_bpf+0x3d8/0x510 [ 161.879372] ? bpf_prog_get+0x20/0x20 [ 161.883180] ? ksys_ioctl+0x81/0xd0 [ 161.886825] ? do_syscall_64+0x1b9/0x820 [ 161.890886] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 161.896254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 161.901186] ? trace_hardirqs_off+0x300/0x300 [ 161.905690] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 161.910707] ? recalc_sigpending_tsk+0x180/0x180 [ 161.915463] ? kasan_check_write+0x14/0x20 [ 161.919868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.924737] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.930128] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 161.930134] warn_alloc_show_mem: 1 callbacks suppressed [ 161.930142] Mem-Info: [ 161.937334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.942706] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 161.942706] active_file:17 inactive_file:11 isolated_file:5 [ 161.942706] unevictable:0 dirty:0 writeback:0 unstable:0 [ 161.942706] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 161.942706] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 161.942706] free:13528 free_pcp:440 free_cma:0 [ 161.945079] Call Trace: [ 161.954466] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 161.987318] [ 161.989893] Node 0 [ 162.017676] dump_stack+0x1c4/0x2b4 [ 162.019831] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 162.022042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 162.025647] lowmem_reserve[]: [ 162.051161] warn_alloc.cold.118+0xb7/0x1bd [ 162.056330] 0 [ 162.059436] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 162.063735] 2815 [ 162.065535] ? lock_downgrade+0x900/0x900 [ 162.070354] 6318 [ 162.072427] ? trace_hardirqs_off+0xb8/0x300 [ 162.076546] 6318 [ 162.078605] ? trace_hardirqs_off+0xb8/0x300 [ 162.085057] __alloc_pages_slowpath+0x2667/0x2d80 [ 162.089436] Node 0 DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 162.094307] ? warn_alloc+0x120/0x120 [ 162.094328] ? warn_alloc+0x120/0x120 [ 162.122060] lowmem_reserve[]: 0 [ 162.125875] ? print_usage_bug+0xc0/0xc0 [ 162.129649] 0 [ 162.132924] ? warn_alloc+0x120/0x120 [ 162.136958] 3503 [ 162.138759] ? print_usage_bug+0xc0/0xc0 [ 162.142554] 3503 [ 162.144621] ? __lock_acquire+0x7ec/0x4ec0 [ 162.148661] Node 0 [ 162.150720] ? __lock_acquire+0x7ec/0x4ec0 [ 162.154960] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 162.157173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 162.161381] lowmem_reserve[]: [ 162.189835] ? should_fail+0x22d/0xd01 [ 162.195347] 0 [ 162.198449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 162.202314] 0 [ 162.204112] ? __lock_acquire+0x7ec/0x4ec0 [ 162.209185] 0 0 [ 162.210996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 162.217188] ? __lock_acquire+0x7ec/0x4ec0 [ 162.222280] Node 0 [ 162.226502] ? should_fail+0x22d/0xd01 [ 162.226513] DMA: [ 162.228751] ? mark_held_locks+0x130/0x130 [ 162.232614] 1*4kB [ 162.234671] ? mark_held_locks+0x130/0x130 [ 162.238881] (U) [ 162.241026] ? graph_lock+0x170/0x170 [ 162.245240] 0*8kB [ 162.247217] ? graph_lock+0x170/0x170 [ 162.250998] 0*16kB [ 162.253141] ? graph_lock+0x170/0x170 [ 162.256923] 1*32kB [ 162.259152] ? print_usage_bug+0xc0/0xc0 [ 162.262930] (U) [ 162.265167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.269203] 2*64kB [ 162.271173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.276687] (U) [ 162.278919] ? check_preemption_disabled+0x48/0x200 [ 162.284432] 1*128kB [ 162.286403] ? check_preemption_disabled+0x48/0x200 [ 162.291397] (U) [ 162.293724] ? __lock_is_held+0xb5/0x140 [ 162.298712] 1*256kB [ 162.300719] __alloc_pages_nodemask+0xa80/0xde0 [ 162.304754] (U) [ 162.307072] ? graph_lock+0x170/0x170 [ 162.311716] 0*512kB [ 162.313697] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 162.317483] 1*1024kB [ 162.319801] ? graph_lock+0x170/0x170 [ 162.324796] (U) [ 162.327209] ? find_held_lock+0x36/0x1c0 [ 162.330983] 1*2048kB (M) [ 162.332973] ? ____cache_alloc_node+0x1c7/0x1e0 [ 162.337007] 3*4096kB (M) [ 162.339772] ? lock_downgrade+0x900/0x900 [ 162.344416] = 15908kB [ 162.344425] Node 0 [ 162.347183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.351310] DMA32: [ 162.353722] cache_grow_begin+0x91/0x8c0 [ 162.355932] 4*4kB [ 162.361465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 162.363678] (UM) [ 162.367739] fallback_alloc+0x203/0x2e0 [ 162.369862] 3*8kB [ 162.374267] ____cache_alloc_node+0x1c7/0x1e0 [ 162.376306] (UM) [ 162.380280] kmem_cache_alloc_node+0xe3/0x730 [ 162.382400] 1*16kB (M) [ 162.386903] ? ipv6_get_ifaddr+0x42e/0x620 [ 162.388946] 2*32kB [ 162.393440] __alloc_skb+0x119/0x770 [ 162.396000] (UM) [ 162.400762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 162.402979] 3*64kB [ 162.406691] ? skb_scrub_packet+0x490/0x490 [ 162.408723] (UM) 4*128kB [ 162.414008] ? lock_downgrade+0x900/0x900 [ 162.416222] (UM) [ 162.420547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.423278] 2*256kB [ 162.427420] ? refcount_sub_and_test_checked+0x203/0x310 [ 162.429457] (M) [ 162.434999] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 162.437301] 4*512kB [ 162.442747] ? addrconf_rs_timer+0x6f0/0x6f0 [ 162.444700] (UM) [ 162.450154] ndisc_alloc_skb+0x144/0x340 [ 162.452448] 3*1024kB [ 162.456858] ndisc_send_rs+0x331/0x6e0 [ 162.458898] (M) [ 162.462965] addrconf_rs_timer+0x3c0/0x6f0 [ 162.465350] 1*2048kB (M) [ 162.469258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.471216] 4*4096kB [ 162.475452] call_timer_fn+0x272/0x920 [ 162.478176] (M) [ 162.482411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.484802] = 24888kB [ 162.488689] ? process_timeout+0x40/0x40 [ 162.490640] Node 0 [ 162.494867] ? find_held_lock+0x36/0x1c0 [ 162.497268] Normal: [ 162.501331] ? __run_timers+0x7da/0xc70 [ 162.503556] 1035*4kB [ 162.507622] ? _raw_spin_unlock_irq+0x27/0x80 [ 162.509919] (MEH) [ 162.513898] ? _raw_spin_unlock_irq+0x27/0x80 [ 162.516299] 457*8kB [ 162.520796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.522936] (UMEH) [ 162.527426] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 162.529731] 163*16kB [ 162.533965] ? trace_hardirqs_on+0xbd/0x310 [ 162.536273] (MEH) [ 162.540841] ? kasan_check_read+0x11/0x20 [ 162.540859] ? __run_timers+0x7da/0xc70 [ 162.543256] 58*32kB (UMEH) [ 162.547585] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 162.549715] 13*64kB [ 162.553862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.557816] (UMH) [ 162.560746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 162.566171] 2*128kB [ 162.568497] __run_timers+0x7e5/0xc70 [ 162.572699] (H) 0*256kB [ 162.574865] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 162.579068] 0*512kB [ 162.581386] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 162.585165] 0*1024kB [ 162.587829] ? graph_lock+0x170/0x170 [ 162.593171] 0*2048kB [ 162.595502] ? enqueue_hrtimer+0x1a5/0x560 [ 162.600500] 0*4096kB [ 162.602907] ? lock_release+0x970/0x970 [ 162.606683] = 13348kB [ 162.609084] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 162.613314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 162.615725] ? find_held_lock+0x36/0x1c0 [ 162.619678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.622077] ? graph_lock+0x170/0x170 [ 162.627245] 412 total pagecache pages [ 162.636076] ? pvclock_read_flags+0x160/0x160 [ 162.640118] 0 pages in swap cache [ 162.648684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.652460] Swap cache stats: add 0, delete 0, find 0/0 [ 162.652469] Free swap = 0kB [ 162.656268] ? check_preemption_disabled+0x48/0x200 [ 162.660735] Total swap = 0kB [ 162.660744] 1965979 pages RAM [ 162.664194] ? __lock_is_held+0xb5/0x140 [ 162.669719] 0 pages HighMem/MovableOnly [ 162.669728] 343323 pages reserved [ 162.675090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.678085] 0 pages cma reserved [ 162.683094] ? check_preemption_disabled+0x48/0x200 [ 162.686149] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 162.689236] run_timer_softirq+0x52/0xb0 [ 162.689251] ? rcu_read_lock_sched_held+0x108/0x120 [ 162.689271] __do_softirq+0x30b/0xad8 [ 162.693413] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 162.697347] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 162.700779] syz-executor3 cpuset= [ 162.706315] ? pvclock_read_flags+0x160/0x160 [ 162.709656] syz3 [ 162.714665] ? lapic_next_event+0x5a/0x90 [ 162.721136] mems_allowed=0 [ 162.725222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.772462] ? check_preemption_disabled+0x48/0x200 [ 162.777491] ? check_preemption_disabled+0x48/0x200 [ 162.782514] ? kvm_clock_read+0x18/0x30 [ 162.786525] ? kvm_sched_clock_read+0x9/0x20 [ 162.790939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.796497] ? check_preemption_disabled+0x48/0x200 [ 162.801526] irq_exit+0x17f/0x1c0 [ 162.805008] smp_apic_timer_interrupt+0x1cb/0x760 [ 162.809849] ? smp_reschedule_interrupt+0x109/0x650 [ 162.814871] ? smp_call_function_single_interrupt+0x650/0x650 [ 162.820755] ? interrupt_entry+0xb5/0xf0 [ 162.824818] ? trace_hardirqs_off_caller+0xbb/0x300 [ 162.829837] ? trace_hardirqs_off_caller+0xbb/0x300 [ 162.834858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 162.839704] ? trace_hardirqs_off+0x300/0x300 [ 162.844208] ? trace_hardirqs_off+0x300/0x300 [ 162.848704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.854241] ? check_preemption_disabled+0x48/0x200 [ 162.859260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 162.864808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 162.869696] apic_timer_interrupt+0xf/0x20 [ 162.873928] [ 162.876168] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 162.881101] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 162.900001] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 162.907714] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 162.914984] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 162.922250] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 162.929516] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.936794] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 162.944124] skb_clone+0x1bb/0x500 [ 162.947666] ? finish_task_switch+0x1b5/0x900 [ 162.952162] ? skb_split+0x11e0/0x11e0 [ 162.956047] ? preempt_notifier_register+0x200/0x200 [ 162.961162] ? __switch_to_asm+0x34/0x70 [ 162.965221] ? __switch_to_asm+0x34/0x70 [ 162.969280] ? __switch_to_asm+0x40/0x70 [ 162.973337] ? __switch_to_asm+0x34/0x70 [ 162.977396] ? __switch_to_asm+0x40/0x70 [ 162.981454] ? __switch_to_asm+0x34/0x70 [ 162.985521] ? __switch_to_asm+0x40/0x70 [ 162.989583] ? __switch_to_asm+0x34/0x70 [ 162.993644] ? __switch_to_asm+0x34/0x70 [ 162.997702] ? __switch_to_asm+0x40/0x70 [ 163.001760] ? __switch_to_asm+0x34/0x70 [ 163.005830] bpf_clone_redirect+0xb9/0x490 [ 163.010075] ? __schedule+0x874/0x1ed0 [ 163.013968] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 163.018988] ? __sched_text_start+0x8/0x8 [ 163.023145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.027907] ? find_held_lock+0x36/0x1c0 [ 163.031974] ? lock_acquire+0x1ed/0x520 [ 163.035952] ? bpf_test_run+0x32e/0x5a0 [ 163.039927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.045462] ? check_preemption_disabled+0x48/0x200 [ 163.050496] ? kasan_check_read+0x11/0x20 [ 163.054649] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 163.059938] ? rcu_bh_qs+0xc0/0xc0 [ 163.063503] ? preempt_schedule+0x4d/0x60 [ 163.067655] ? ___preempt_schedule+0x16/0x18 [ 163.072080] ? bpf_test_run+0x1c0/0x5a0 [ 163.076066] ? netlink_diag_dump+0x2a0/0x2a0 [ 163.080513] ? bpf_prog_test_run_skb+0x295/0xb40 [ 163.085285] ? bpf_prog_test_run_skb+0x634/0xb40 [ 163.090045] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.094897] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 163.100445] ? fput+0x130/0x1a0 [ 163.103732] ? __bpf_prog_get+0x9b/0x290 [ 163.107800] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.112644] ? bpf_prog_test_run+0x130/0x1a0 [ 163.117070] ? __x64_sys_bpf+0x3d8/0x510 [ 163.121145] ? bpf_prog_get+0x20/0x20 [ 163.124966] ? do_syscall_64+0x1b9/0x820 [ 163.129027] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 163.134399] ? syscall_return_slowpath+0x5e0/0x5e0 [ 163.139333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.144176] ? trace_hardirqs_off+0x300/0x300 [ 163.148672] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 163.153688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.159252] ? prepare_exit_to_usermode+0x291/0x3b0 [ 163.164277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.169128] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.174516] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 163.174584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 163.181715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.181720] Call Trace: [ 163.181727] [ 163.181744] dump_stack+0x1c4/0x2b4 [ 163.181761] ? dump_stack_print_info.cold.2+0x52/0x52 [ 163.181789] warn_alloc.cold.118+0xb7/0x1bd [ 163.188358] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 163.197609] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 163.200169] syz-executor3 cpuset= [ 163.202320] ? lock_downgrade+0x900/0x900 [ 163.205937] syz3 [ 163.211134] ? trace_hardirqs_off+0xb8/0x300 [ 163.215433] mems_allowed=0 [ 163.225912] ? trace_hardirqs_off+0xb8/0x300 [ 163.252001] __alloc_pages_slowpath+0x2667/0x2d80 [ 163.256881] ? warn_alloc+0x120/0x120 [ 163.260689] ? warn_alloc+0x120/0x120 [ 163.264495] ? print_usage_bug+0xc0/0xc0 [ 163.268559] ? warn_alloc+0x120/0x120 [ 163.272364] ? print_usage_bug+0xc0/0xc0 [ 163.276428] ? __lock_acquire+0x7ec/0x4ec0 [ 163.280662] ? __lock_acquire+0x7ec/0x4ec0 [ 163.284905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.290442] ? should_fail+0x22d/0xd01 [ 163.294334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 163.299436] ? __lock_acquire+0x7ec/0x4ec0 [ 163.303676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 163.308779] ? __lock_acquire+0x7ec/0x4ec0 [ 163.313014] ? should_fail+0x22d/0xd01 [ 163.316913] ? mark_held_locks+0x130/0x130 [ 163.321153] ? mark_held_locks+0x130/0x130 [ 163.325388] ? graph_lock+0x170/0x170 [ 163.329192] ? graph_lock+0x170/0x170 [ 163.333033] ? graph_lock+0x170/0x170 [ 163.336835] ? print_usage_bug+0xc0/0xc0 [ 163.340897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.346435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.351979] ? check_preemption_disabled+0x48/0x200 [ 163.356999] ? check_preemption_disabled+0x48/0x200 [ 163.362032] ? __lock_is_held+0xb5/0x140 [ 163.366099] __alloc_pages_nodemask+0xa80/0xde0 [ 163.370771] ? graph_lock+0x170/0x170 [ 163.374600] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 163.379615] ? graph_lock+0x170/0x170 [ 163.383428] ? find_held_lock+0x36/0x1c0 [ 163.387503] ? ____cache_alloc_node+0x1c7/0x1e0 [ 163.392174] ? lock_downgrade+0x900/0x900 [ 163.396336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.402235] cache_grow_begin+0x91/0x8c0 [ 163.406298] ? do_raw_spin_unlock+0xa7/0x2f0 [ 163.410717] fallback_alloc+0x203/0x2e0 [ 163.414704] ____cache_alloc_node+0x1c7/0x1e0 [ 163.419227] kmem_cache_alloc_node+0xe3/0x730 [ 163.423721] ? ipv6_get_ifaddr+0x42e/0x620 [ 163.427965] __alloc_skb+0x119/0x770 [ 163.431692] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 163.436985] ? skb_scrub_packet+0x490/0x490 [ 163.441308] ? lock_downgrade+0x900/0x900 [ 163.445470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.451020] ? refcount_sub_and_test_checked+0x203/0x310 [ 163.456473] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 163.461936] ? addrconf_rs_timer+0x6f0/0x6f0 [ 163.466361] ndisc_alloc_skb+0x144/0x340 [ 163.470434] ndisc_send_rs+0x331/0x6e0 [ 163.474356] addrconf_rs_timer+0x3c0/0x6f0 [ 163.478597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.482844] call_timer_fn+0x272/0x920 [ 163.486730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.490966] ? process_timeout+0x40/0x40 [ 163.495041] ? find_held_lock+0x36/0x1c0 [ 163.499112] ? __run_timers+0x7da/0xc70 [ 163.503097] ? _raw_spin_unlock_irq+0x27/0x80 [ 163.508101] ? _raw_spin_unlock_irq+0x27/0x80 [ 163.512599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.516835] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 163.521418] ? trace_hardirqs_on+0xbd/0x310 [ 163.525738] ? kasan_check_read+0x11/0x20 [ 163.529885] ? __run_timers+0x7da/0xc70 [ 163.533877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 163.539344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.543586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 163.547820] __run_timers+0x7e5/0xc70 [ 163.551637] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 163.557006] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 163.562023] ? graph_lock+0x170/0x170 [ 163.565831] ? enqueue_hrtimer+0x1a5/0x560 [ 163.570066] ? lock_release+0x970/0x970 [ 163.574038] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 163.579258] ? find_held_lock+0x36/0x1c0 [ 163.583324] ? graph_lock+0x170/0x170 [ 163.587128] ? pvclock_read_flags+0x160/0x160 [ 163.591619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.597152] ? check_preemption_disabled+0x48/0x200 [ 163.602181] ? __lock_is_held+0xb5/0x140 [ 163.606251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.611786] ? check_preemption_disabled+0x48/0x200 [ 163.616807] run_timer_softirq+0x52/0xb0 [ 163.620874] ? rcu_read_lock_sched_held+0x108/0x120 [ 163.625893] __do_softirq+0x30b/0xad8 [ 163.629711] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 163.634825] ? pvclock_read_flags+0x160/0x160 [ 163.639322] ? lapic_next_event+0x5a/0x90 [ 163.643472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.649011] ? check_preemption_disabled+0x48/0x200 [ 163.654022] ? check_preemption_disabled+0x48/0x200 [ 163.659071] ? kvm_clock_read+0x18/0x30 [ 163.663048] ? kvm_sched_clock_read+0x9/0x20 [ 163.667461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.672999] ? check_preemption_disabled+0x48/0x200 [ 163.678027] irq_exit+0x17f/0x1c0 [ 163.681479] smp_apic_timer_interrupt+0x1cb/0x760 [ 163.686318] ? smp_reschedule_interrupt+0x109/0x650 [ 163.691334] ? smp_call_function_single_interrupt+0x650/0x650 [ 163.697224] ? interrupt_entry+0xb5/0xf0 [ 163.701288] ? trace_hardirqs_off_caller+0xbb/0x300 [ 163.706303] ? trace_hardirqs_off_caller+0xbb/0x300 [ 163.711331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.716176] ? trace_hardirqs_off+0x300/0x300 [ 163.720678] ? trace_hardirqs_off+0x300/0x300 [ 163.725174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.730717] ? check_preemption_disabled+0x48/0x200 [ 163.735731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.741303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.746159] apic_timer_interrupt+0xf/0x20 [ 163.750388] [ 163.752630] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 163.757573] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 163.776477] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 163.784190] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 163.791470] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 163.798739] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 163.806182] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 163.813453] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 163.820782] skb_clone+0x1bb/0x500 [ 163.824336] ? finish_task_switch+0x664/0x900 [ 163.828833] ? skb_split+0x11e0/0x11e0 [ 163.832726] ? preempt_notifier_register+0x200/0x200 [ 163.837831] ? __switch_to_asm+0x34/0x70 [ 163.841891] ? __switch_to_asm+0x34/0x70 [ 163.845960] ? __switch_to_asm+0x40/0x70 [ 163.850021] ? __switch_to_asm+0x34/0x70 [ 163.854086] ? __switch_to_asm+0x40/0x70 [ 163.858158] ? __switch_to_asm+0x34/0x70 [ 163.862220] ? __switch_to_asm+0x40/0x70 [ 163.866278] ? __switch_to_asm+0x34/0x70 [ 163.870338] ? __switch_to_asm+0x34/0x70 [ 163.874487] ? __switch_to_asm+0x40/0x70 [ 163.878557] ? __switch_to_asm+0x34/0x70 [ 163.882637] bpf_clone_redirect+0xb9/0x490 [ 163.886874] ? __schedule+0x874/0x1ed0 [ 163.890773] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 163.895794] ? __sched_text_start+0x8/0x8 [ 163.899942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.904719] ? find_held_lock+0x36/0x1c0 [ 163.908789] ? lock_acquire+0x1ed/0x520 [ 163.912763] ? bpf_test_run+0x32e/0x5a0 [ 163.916745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 163.922282] ? check_preemption_disabled+0x48/0x200 [ 163.927309] ? kasan_check_read+0x11/0x20 [ 163.931458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 163.936739] ? rcu_bh_qs+0xc0/0xc0 [ 163.940280] ? preempt_schedule+0x4d/0x60 [ 163.944431] ? ___preempt_schedule+0x16/0x18 [ 163.948848] ? bpf_test_run+0x1c0/0x5a0 [ 163.952835] ? netlink_diag_dump+0x2a0/0x2a0 [ 163.957252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 163.962788] ? bpf_test_init.isra.9+0x70/0x100 [ 163.967377] ? bpf_prog_test_run_skb+0x634/0xb40 [ 163.972139] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.976986] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 163.982534] ? fput+0x130/0x1a0 [ 163.985839] ? __bpf_prog_get+0x9b/0x290 [ 163.989905] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 163.994753] ? bpf_prog_test_run+0x130/0x1a0 [ 163.999163] ? __x64_sys_bpf+0x3d8/0x510 [ 164.003231] ? bpf_prog_get+0x20/0x20 [ 164.007037] ? ksys_ioctl+0x81/0xd0 [ 164.010671] ? do_syscall_64+0x1b9/0x820 [ 164.014757] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 164.020136] ? syscall_return_slowpath+0x5e0/0x5e0 [ 164.025066] ? trace_hardirqs_off+0x300/0x300 [ 164.029564] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 164.034581] ? recalc_sigpending_tsk+0x180/0x180 [ 164.039336] ? kasan_check_write+0x14/0x20 [ 164.043593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 164.048465] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.053843] warn_alloc_show_mem: 1 callbacks suppressed [ 164.053855] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 164.053857] Mem-Info: [ 164.053888] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 164.053888] active_file:17 inactive_file:11 isolated_file:5 [ 164.053888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 164.053888] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 164.053888] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 164.053888] free:13528 free_pcp:440 free_cma:0 [ 164.059229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.059237] Call Trace: [ 164.066433] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 164.068837] [ 164.101703] Node 0 [ 164.111058] dump_stack+0x1c4/0x2b4 [ 164.113645] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 164.141381] ? dump_stack_print_info.cold.2+0x52/0x52 [ 164.143500] lowmem_reserve[]: 0 [ 164.145751] warn_alloc.cold.118+0xb7/0x1bd [ 164.149342] 2815 [ 164.174840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 164.180004] 6318 [ 164.183277] ? lock_downgrade+0x900/0x900 [ 164.187578] 6318 [ 164.189639] ? trace_hardirqs_off+0xb8/0x300 [ 164.196516] ? trace_hardirqs_off+0xb8/0x300 [ 164.200638] Node 0 [ 164.202726] __alloc_pages_slowpath+0x2667/0x2d80 [ 164.207131] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 164.211535] ? warn_alloc+0x120/0x120 [ 164.213717] lowmem_reserve[]: 0 [ 164.218566] ? warn_alloc+0x120/0x120 [ 164.245685] 0 3503 [ 164.249497] ? print_usage_bug+0xc0/0xc0 [ 164.252759] 3503 [ 164.256571] ? warn_alloc+0x120/0x120 [ 164.258800] Node 0 [ 164.262854] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 164.264954] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 164.268722] ? print_usage_bug+0xc0/0xc0 [ 164.270942] lowmem_reserve[]: 0 [ 164.275973] ? __lock_acquire+0x7ec/0x4ec0 [ 164.304404] 0 0 [ 164.308488] ? __lock_acquire+0x7ec/0x4ec0 [ 164.311742] 0 [ 164.315975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 164.322159] ? should_fail+0x22d/0xd01 [ 164.323938] Node 0 [ 164.329466] ? __lock_acquire+0x7ec/0x4ec0 [ 164.333328] DMA: 1*4kB [ 164.335586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 164.339796] (U) [ 164.342373] ? __lock_acquire+0x7ec/0x4ec0 [ 164.347446] 0*8kB 0*16kB [ 164.349438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 164.353653] 1*32kB [ 164.356408] ? __lock_acquire+0x7ec/0x4ec0 [ 164.361478] (U) 2*64kB [ 164.363718] ? should_fail+0x22d/0xd01 [ 164.367928] (U) [ 164.370512] ? mark_held_locks+0x130/0x130 [ 164.374371] 1*128kB [ 164.376340] ? mark_held_locks+0x130/0x130 [ 164.380553] (U) [ 164.382883] ? graph_lock+0x170/0x170 [ 164.387091] 1*256kB [ 164.389064] ? print_usage_bug+0xc0/0xc0 [ 164.392837] (U) 0*512kB [ 164.395183] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.395212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.399511] 1*1024kB (U) [ 164.402192] ? check_preemption_disabled+0x48/0x200 [ 164.406924] 1*2048kB [ 164.412457] ? check_preemption_disabled+0x48/0x200 [ 164.415204] (M) [ 164.420215] ? __lock_is_held+0xb5/0x140 [ 164.422598] 3*4096kB (M) [ 164.427620] __alloc_pages_nodemask+0xa80/0xde0 [ 164.429573] = 15908kB [ 164.433626] ? graph_lock+0x170/0x170 [ 164.436365] Node 0 [ 164.441026] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 164.443406] DMA32: 4*4kB [ 164.447206] ? graph_lock+0x170/0x170 [ 164.447233] ? find_held_lock+0x36/0x1c0 [ 164.449439] (UM) [ 164.454453] ? ____cache_alloc_node+0x1c7/0x1e0 [ 164.457185] 3*8kB [ 164.460995] ? lock_downgrade+0x900/0x900 [ 164.465036] (UM) [ 164.467098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.471736] 1*16kB (M) [ 164.473896] cache_grow_begin+0x91/0x8c0 [ 164.478017] 2*32kB [ 164.480080] ? do_raw_spin_unlock+0xa7/0x2f0 [ 164.485593] (UM) [ 164.488175] fallback_alloc+0x203/0x2e0 [ 164.492214] 3*64kB (UM) [ 164.494479] ____cache_alloc_node+0x1c7/0x1e0 [ 164.498853] 4*128kB [ 164.500923] kmem_cache_alloc_node+0xe3/0x730 [ 164.504891] (UM) [ 164.507559] ? ipv6_get_ifaddr+0x42e/0x620 [ 164.512026] 2*256kB [ 164.514351] __alloc_skb+0x119/0x770 [ 164.518813] (M) 4*512kB [ 164.520886] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 164.525104] (UM) [ 164.527424] ? skb_scrub_packet+0x490/0x490 [ 164.531113] 3*1024kB [ 164.533779] ? lock_downgrade+0x900/0x900 [ 164.539031] (M) [ 164.541093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.545386] 1*2048kB [ 164.547794] ? refcount_sub_and_test_checked+0x203/0x310 [ 164.551918] (M) [ 164.553902] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 164.559414] 4*4096kB [ 164.561825] ? addrconf_rs_timer+0x6f0/0x6f0 [ 164.567248] (M) [ 164.569231] ndisc_alloc_skb+0x144/0x340 [ 164.574647] = 24888kB [ 164.577051] ndisc_send_rs+0x331/0x6e0 [ 164.581434] Node 0 [ 164.583407] addrconf_rs_timer+0x3c0/0x6f0 [ 164.587445] Normal: [ 164.589856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.593721] 1035*4kB [ 164.595962] call_timer_fn+0x272/0x920 [ 164.600161] (MEH) [ 164.602489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.606712] 457*8kB [ 164.609130] ? process_timeout+0x40/0x40 [ 164.613003] (UMEH) [ 164.615158] ? find_held_lock+0x36/0x1c0 [ 164.619361] 163*16kB (MEH) [ 164.621705] ? __run_timers+0x7da/0xc70 [ 164.625733] 58*32kB (UMEH) [ 164.627977] ? _raw_spin_unlock_irq+0x27/0x80 [ 164.632015] 13*64kB (UMH) [ 164.634953] ? _raw_spin_unlock_irq+0x27/0x80 [ 164.638903] 2*128kB [ 164.641833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.646304] (H) [ 164.649150] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 164.653616] 0*256kB 0*512kB [ 164.655945] ? trace_hardirqs_on+0xbd/0x310 [ 164.660156] 0*1024kB [ 164.662152] ? kasan_check_read+0x11/0x20 [ 164.666715] 0*2048kB [ 164.669730] ? __run_timers+0x7da/0xc70 [ 164.674039] 0*4096kB [ 164.676444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 164.680562] = 13348kB [ 164.680577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 164.683000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 164.686952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 164.689352] __run_timers+0x7e5/0xc70 [ 164.694790] 412 total pagecache pages [ 164.697201] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 164.706029] 0 pages in swap cache [ 164.710268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 164.718835] Swap cache stats: add 0, delete 0, find 0/0 [ 164.722627] ? graph_lock+0x170/0x170 [ 164.726404] Free swap = 0kB [ 164.731762] ? enqueue_hrtimer+0x1a5/0x560 [ 164.735200] Total swap = 0kB [ 164.740204] ? lock_release+0x970/0x970 [ 164.745551] 1965979 pages RAM [ 164.749361] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 164.752350] 0 pages HighMem/MovableOnly [ 164.752360] 343323 pages reserved [ 164.756595] ? find_held_lock+0x36/0x1c0 [ 164.759586] 0 pages cma reserved [ 164.763557] ? graph_lock+0x170/0x170 [ 164.766725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 164.771828] ? pvclock_read_flags+0x160/0x160 [ 164.771844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.771863] ? check_preemption_disabled+0x48/0x200 [ 164.775888] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 164.779273] ? __lock_is_held+0xb5/0x140 [ 164.783315] syz-executor3 cpuset= [ 164.786679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.790455] syz3 [ 164.796960] ? check_preemption_disabled+0x48/0x200 [ 164.801453] mems_allowed=0 [ 164.806993] run_timer_softirq+0x52/0xb0 [ 164.849422] ? rcu_read_lock_sched_held+0x108/0x120 [ 164.854459] __do_softirq+0x30b/0xad8 [ 164.858280] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 164.863406] ? pvclock_read_flags+0x160/0x160 [ 164.867900] ? lapic_next_event+0x5a/0x90 [ 164.872053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.877589] ? check_preemption_disabled+0x48/0x200 [ 164.882606] ? check_preemption_disabled+0x48/0x200 [ 164.887629] ? kvm_clock_read+0x18/0x30 [ 164.891602] ? kvm_sched_clock_read+0x9/0x20 [ 164.896012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.901548] ? check_preemption_disabled+0x48/0x200 [ 164.906579] irq_exit+0x17f/0x1c0 [ 164.910034] smp_apic_timer_interrupt+0x1cb/0x760 [ 164.914875] ? smp_reschedule_interrupt+0x109/0x650 [ 164.919891] ? smp_call_function_single_interrupt+0x650/0x650 [ 164.925779] ? interrupt_entry+0xb5/0xf0 [ 164.929845] ? trace_hardirqs_off_caller+0xbb/0x300 [ 164.934865] ? trace_hardirqs_off_caller+0xbb/0x300 [ 164.939880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 164.944737] ? trace_hardirqs_off+0x300/0x300 [ 164.949231] ? trace_hardirqs_off+0x300/0x300 [ 164.953729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.959265] ? check_preemption_disabled+0x48/0x200 [ 164.964279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.969821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 164.974676] apic_timer_interrupt+0xf/0x20 [ 164.978902] [ 164.981144] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 164.986072] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 165.004969] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 165.012678] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 165.019957] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 165.027228] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 165.034499] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 165.041764] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 165.049075] skb_clone+0x1bb/0x500 [ 165.052618] ? finish_task_switch+0x1b5/0x900 [ 165.057116] ? skb_split+0x11e0/0x11e0 [ 165.061007] ? preempt_notifier_register+0x200/0x200 [ 165.066111] ? __switch_to_asm+0x34/0x70 [ 165.070181] ? __switch_to_asm+0x34/0x70 [ 165.074237] ? __switch_to_asm+0x40/0x70 [ 165.078294] ? __switch_to_asm+0x34/0x70 [ 165.082352] ? __switch_to_asm+0x40/0x70 [ 165.086408] ? __switch_to_asm+0x34/0x70 [ 165.090463] ? __switch_to_asm+0x40/0x70 [ 165.094538] ? __switch_to_asm+0x34/0x70 [ 165.098597] ? __switch_to_asm+0x34/0x70 [ 165.102668] ? __switch_to_asm+0x40/0x70 [ 165.106725] ? __switch_to_asm+0x34/0x70 [ 165.110795] bpf_clone_redirect+0xb9/0x490 [ 165.115043] ? __schedule+0x874/0x1ed0 [ 165.118932] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 165.123949] ? __sched_text_start+0x8/0x8 [ 165.128105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.132865] ? find_held_lock+0x36/0x1c0 [ 165.136948] ? lock_acquire+0x1ed/0x520 [ 165.140928] ? bpf_test_run+0x32e/0x5a0 [ 165.144903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.150444] ? check_preemption_disabled+0x48/0x200 [ 165.155468] ? kasan_check_read+0x11/0x20 [ 165.159624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 165.164954] ? rcu_bh_qs+0xc0/0xc0 [ 165.168532] ? preempt_schedule+0x4d/0x60 [ 165.172680] ? ___preempt_schedule+0x16/0x18 [ 165.177094] ? bpf_test_run+0x1c0/0x5a0 [ 165.181101] ? netlink_diag_dump+0x2a0/0x2a0 [ 165.185515] ? bpf_prog_test_run_skb+0x295/0xb40 [ 165.190278] ? bpf_prog_test_run_skb+0x634/0xb40 [ 165.195051] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 165.199890] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 165.205442] ? fput+0x130/0x1a0 [ 165.208728] ? __bpf_prog_get+0x9b/0x290 [ 165.212792] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 165.217630] ? bpf_prog_test_run+0x130/0x1a0 [ 165.222038] ? __x64_sys_bpf+0x3d8/0x510 [ 165.226094] ? bpf_prog_get+0x20/0x20 [ 165.229916] ? do_syscall_64+0x1b9/0x820 [ 165.233974] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 165.239343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 165.244281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.249131] ? trace_hardirqs_off+0x300/0x300 [ 165.253629] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 165.258658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.264197] ? prepare_exit_to_usermode+0x291/0x3b0 [ 165.269238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.274110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.279501] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 165.279570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 165.286706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.286715] Call Trace: [ 165.293319] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 165.302563] [ 165.305137] syz-executor3 cpuset= [ 165.315615] dump_stack+0x1c4/0x2b4 [ 165.317744] syz3 [ 165.321190] ? dump_stack_print_info.cold.2+0x52/0x52 [ 165.324794] mems_allowed=0 [ 165.326780] warn_alloc.cold.118+0xb7/0x1bd [ 165.339210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 165.344057] ? lock_downgrade+0x900/0x900 [ 165.348235] ? trace_hardirqs_off+0xb8/0x300 [ 165.352650] ? trace_hardirqs_off+0xb8/0x300 [ 165.357088] __alloc_pages_slowpath+0x2667/0x2d80 [ 165.361965] ? warn_alloc+0x120/0x120 [ 165.365785] ? warn_alloc+0x120/0x120 [ 165.369588] ? print_usage_bug+0xc0/0xc0 [ 165.373658] ? warn_alloc+0x120/0x120 [ 165.377464] ? print_usage_bug+0xc0/0xc0 [ 165.381530] ? __lock_acquire+0x7ec/0x4ec0 [ 165.385761] ? __lock_acquire+0x7ec/0x4ec0 [ 165.390006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 165.395554] ? should_fail+0x22d/0xd01 [ 165.399443] ? __lock_acquire+0x7ec/0x4ec0 [ 165.403685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 165.408785] ? __lock_acquire+0x7ec/0x4ec0 [ 165.413039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 165.418142] ? __lock_acquire+0x7ec/0x4ec0 [ 165.422375] ? should_fail+0x22d/0xd01 [ 165.426283] ? mark_held_locks+0x130/0x130 [ 165.430527] ? mark_held_locks+0x130/0x130 [ 165.434772] ? graph_lock+0x170/0x170 [ 165.438572] ? print_usage_bug+0xc0/0xc0 [ 165.442632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.448170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.453723] ? check_preemption_disabled+0x48/0x200 [ 165.458735] ? check_preemption_disabled+0x48/0x200 [ 165.463762] ? __lock_is_held+0xb5/0x140 [ 165.467828] __alloc_pages_nodemask+0xa80/0xde0 [ 165.472500] ? graph_lock+0x170/0x170 [ 165.476341] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 165.481355] ? graph_lock+0x170/0x170 [ 165.485202] ? find_held_lock+0x36/0x1c0 [ 165.489281] ? ____cache_alloc_node+0x1c7/0x1e0 [ 165.493956] ? lock_downgrade+0x900/0x900 [ 165.498116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.503666] cache_grow_begin+0x91/0x8c0 [ 165.508112] ? do_raw_spin_unlock+0xa7/0x2f0 [ 165.512530] fallback_alloc+0x203/0x2e0 [ 165.516511] ____cache_alloc_node+0x1c7/0x1e0 [ 165.521038] kmem_cache_alloc_node+0xe3/0x730 [ 165.525535] ? ipv6_get_ifaddr+0x42e/0x620 [ 165.529786] __alloc_skb+0x119/0x770 [ 165.533501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 165.538794] ? skb_scrub_packet+0x490/0x490 [ 165.543293] ? lock_downgrade+0x900/0x900 [ 165.547451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.552998] ? refcount_sub_and_test_checked+0x203/0x310 [ 165.558456] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 165.563911] ? addrconf_rs_timer+0x6f0/0x6f0 [ 165.568353] ndisc_alloc_skb+0x144/0x340 [ 165.572694] ndisc_send_rs+0x331/0x6e0 [ 165.576707] addrconf_rs_timer+0x3c0/0x6f0 [ 165.580947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.585209] call_timer_fn+0x272/0x920 [ 165.589096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.593333] ? process_timeout+0x40/0x40 [ 165.597389] ? find_held_lock+0x36/0x1c0 [ 165.601460] ? __run_timers+0x7da/0xc70 [ 165.605437] ? _raw_spin_unlock_irq+0x27/0x80 [ 165.609930] ? _raw_spin_unlock_irq+0x27/0x80 [ 165.614424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.618659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 165.623245] ? trace_hardirqs_on+0xbd/0x310 [ 165.627562] ? kasan_check_read+0x11/0x20 [ 165.631709] ? __run_timers+0x7da/0xc70 [ 165.635688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 165.641157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 165.645394] __run_timers+0x7e5/0xc70 [ 165.649225] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 165.654591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 165.659611] ? graph_lock+0x170/0x170 [ 165.663416] ? enqueue_hrtimer+0x1a5/0x560 [ 165.667675] ? lock_release+0x970/0x970 [ 165.671652] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 165.676848] ? find_held_lock+0x36/0x1c0 [ 165.680915] ? graph_lock+0x170/0x170 [ 165.684718] ? pvclock_read_flags+0x160/0x160 [ 165.689223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.694760] ? check_preemption_disabled+0x48/0x200 [ 165.699791] ? __lock_is_held+0xb5/0x140 [ 165.703861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.709399] ? check_preemption_disabled+0x48/0x200 [ 165.714440] run_timer_softirq+0x52/0xb0 [ 165.718502] ? rcu_read_lock_sched_held+0x108/0x120 [ 165.723522] __do_softirq+0x30b/0xad8 [ 165.727341] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 165.732451] ? pvclock_read_flags+0x160/0x160 [ 165.736946] ? lapic_next_event+0x5a/0x90 [ 165.741103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.746642] ? check_preemption_disabled+0x48/0x200 [ 165.751657] ? check_preemption_disabled+0x48/0x200 [ 165.756683] ? kvm_clock_read+0x18/0x30 [ 165.760657] ? kvm_sched_clock_read+0x9/0x20 [ 165.765069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.770603] ? check_preemption_disabled+0x48/0x200 [ 165.775633] irq_exit+0x17f/0x1c0 [ 165.779088] smp_apic_timer_interrupt+0x1cb/0x760 [ 165.783935] ? smp_reschedule_interrupt+0x109/0x650 [ 165.788963] ? smp_call_function_single_interrupt+0x650/0x650 [ 165.794854] ? interrupt_entry+0xb5/0xf0 [ 165.798931] ? trace_hardirqs_off_caller+0xbb/0x300 [ 165.804123] ? trace_hardirqs_off_caller+0xbb/0x300 [ 165.809143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.813993] ? trace_hardirqs_off+0x300/0x300 [ 165.818486] ? trace_hardirqs_off+0x300/0x300 [ 165.822988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.828523] ? check_preemption_disabled+0x48/0x200 [ 165.833541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 165.839089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 165.843949] apic_timer_interrupt+0xf/0x20 [ 165.848179] [ 165.850429] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 165.855360] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 165.874260] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 165.881989] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 165.889252] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 165.896517] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 165.903785] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 165.911051] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 165.918365] skb_clone+0x1bb/0x500 [ 165.921919] ? finish_task_switch+0x664/0x900 [ 165.926420] ? skb_split+0x11e0/0x11e0 [ 165.930314] ? preempt_notifier_register+0x200/0x200 [ 165.935422] ? __switch_to_asm+0x34/0x70 [ 165.939609] ? __switch_to_asm+0x34/0x70 [ 165.943671] ? __switch_to_asm+0x40/0x70 [ 165.947730] ? __switch_to_asm+0x34/0x70 [ 165.951793] ? __switch_to_asm+0x40/0x70 [ 165.955849] ? __switch_to_asm+0x34/0x70 [ 165.959909] ? __switch_to_asm+0x40/0x70 [ 165.963968] ? __switch_to_asm+0x34/0x70 [ 165.968035] ? __switch_to_asm+0x34/0x70 [ 165.972101] ? __switch_to_asm+0x40/0x70 [ 165.976186] ? __switch_to_asm+0x34/0x70 [ 165.980267] bpf_clone_redirect+0xb9/0x490 [ 165.984507] ? __schedule+0x874/0x1ed0 [ 165.988406] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 165.993428] ? __sched_text_start+0x8/0x8 [ 165.997580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.002363] ? find_held_lock+0x36/0x1c0 [ 166.006431] ? lock_acquire+0x1ed/0x520 [ 166.010404] ? bpf_test_run+0x32e/0x5a0 [ 166.014382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.019922] ? check_preemption_disabled+0x48/0x200 [ 166.024945] ? kasan_check_read+0x11/0x20 [ 166.029102] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 166.034378] ? rcu_bh_qs+0xc0/0xc0 [ 166.037920] ? preempt_schedule+0x4d/0x60 [ 166.042067] ? ___preempt_schedule+0x16/0x18 [ 166.046492] ? bpf_test_run+0x1c0/0x5a0 [ 166.050479] ? netlink_diag_dump+0x2a0/0x2a0 [ 166.054897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 166.060431] ? bpf_test_init.isra.9+0x70/0x100 [ 166.065024] ? bpf_prog_test_run_skb+0x634/0xb40 [ 166.069791] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 166.074636] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 166.080177] ? fput+0x130/0x1a0 [ 166.083471] ? __bpf_prog_get+0x9b/0x290 [ 166.087536] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 166.092379] ? bpf_prog_test_run+0x130/0x1a0 [ 166.096792] ? __x64_sys_bpf+0x3d8/0x510 [ 166.100856] ? bpf_prog_get+0x20/0x20 [ 166.104666] ? ksys_ioctl+0x81/0xd0 [ 166.108306] ? do_syscall_64+0x1b9/0x820 [ 166.112366] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 166.117731] ? syscall_return_slowpath+0x5e0/0x5e0 [ 166.122669] ? trace_hardirqs_off+0x300/0x300 [ 166.127168] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 166.132191] ? recalc_sigpending_tsk+0x180/0x180 [ 166.136953] ? kasan_check_write+0x14/0x20 [ 166.141210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 166.146061] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.151438] warn_alloc_show_mem: 1 callbacks suppressed [ 166.151450] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 166.151452] Mem-Info: [ 166.151483] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 166.151483] active_file:17 inactive_file:11 isolated_file:5 [ 166.151483] unevictable:0 dirty:0 writeback:0 unstable:0 [ 166.151483] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 166.151483] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 166.151483] free:13528 free_pcp:440 free_cma:0 [ 166.156838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.164032] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 166.166431] Call Trace: [ 166.199301] Node 0 [ 166.208648] [ 166.236439] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 166.239004] dump_stack+0x1c4/0x2b4 [ 166.241217] lowmem_reserve[]: 0 [ 166.243374] ? dump_stack_print_info.cold.2+0x52/0x52 [ 166.268853] 2815 6318 [ 166.272525] warn_alloc.cold.118+0xb7/0x1bd [ 166.275765] 6318 [ 166.280964] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 166.283444] Node 0 [ 166.287764] ? lock_downgrade+0x900/0x900 [ 166.289833] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 166.294648] ? trace_hardirqs_off+0xb8/0x300 [ 166.296858] lowmem_reserve[]: 0 [ 166.301018] ? trace_hardirqs_off+0xb8/0x300 [ 166.328138] 0 3503 [ 166.332569] __alloc_pages_slowpath+0x2667/0x2d80 [ 166.335817] 3503 [ 166.340247] ? warn_alloc+0x120/0x120 [ 166.347279] ? trace_hardirqs_on+0x310/0x310 [ 166.349323] Node 0 [ 166.353119] ? warn_alloc+0x120/0x120 [ 166.357534] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 166.359743] ? print_usage_bug+0xc0/0xc0 [ 166.363516] lowmem_reserve[]: 0 [ 166.391997] ? warn_alloc+0x120/0x120 [ 166.396043] 0 [ 166.399816] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 166.403593] 0 [ 166.405394] ? print_usage_bug+0xc0/0xc0 [ 166.410388] 0 [ 166.412192] ? __lock_acquire+0x7ec/0x4ec0 [ 166.416231] Node 0 [ 166.418033] ? __lock_acquire+0x7ec/0x4ec0 [ 166.422240] DMA: 1*4kB [ 166.424493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 166.428698] (U) [ 166.431286] ? should_fail+0x22d/0xd01 [ 166.436800] 0*8kB [ 166.438778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 166.442639] 0*16kB [ 166.444785] ? __lock_acquire+0x7ec/0x4ec0 [ 166.449866] 1*32kB [ 166.452103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 166.456309] (U) [ 166.458539] ? __lock_acquire+0x7ec/0x4ec0 [ 166.458558] ? should_fail+0x22d/0xd01 [ 166.463640] 2*64kB [ 166.465611] ? print_usage_bug+0xc0/0xc0 [ 166.469818] (U) [ 166.473711] ? mark_held_locks+0x130/0x130 [ 166.475918] 1*128kB [ 166.479981] ? mark_held_locks+0x130/0x130 [ 166.481940] (U) [ 166.486192] ? graph_lock+0x170/0x170 [ 166.488484] 1*256kB (U) [ 166.492732] ? print_usage_bug+0xc0/0xc0 [ 166.494686] 0*512kB [ 166.498494] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.501139] 1*1024kB [ 166.505211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.507500] (U) [ 166.512256] ? check_preemption_disabled+0x48/0x200 [ 166.514648] 1*2048kB [ 166.520182] ? check_preemption_disabled+0x48/0x200 [ 166.520219] ? __lock_is_held+0xb5/0x140 [ 166.522164] (M) [ 166.527185] __alloc_pages_nodemask+0xa80/0xde0 [ 166.529575] 3*4096kB [ 166.534586] ? graph_lock+0x170/0x170 [ 166.538620] (M) = 15908kB [ 166.540607] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 166.545252] Node 0 [ 166.547662] ? graph_lock+0x170/0x170 [ 166.551433] DMA32: 4*4kB [ 166.554216] ? find_held_lock+0x36/0x1c0 [ 166.559183] (UM) 3*8kB [ 166.561440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 166.565203] (UM) 1*16kB [ 166.567966] ? lock_downgrade+0x900/0x900 [ 166.572009] (M) [ 166.574598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.579237] 2*32kB (UM) [ 166.581919] cache_grow_begin+0x91/0x8c0 [ 166.586035] 3*64kB (UM) [ 166.588019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 166.593523] 4*128kB (UM) [ 166.596212] fallback_alloc+0x203/0x2e0 [ 166.600229] 2*256kB (M) [ 166.602916] ____cache_alloc_node+0x1c7/0x1e0 [ 166.607291] 4*512kB (UM) [ 166.610075] kmem_cache_alloc_node+0xe3/0x730 [ 166.614021] 3*1024kB [ 166.616693] ? ipv6_get_ifaddr+0x42e/0x620 [ 166.621164] (M) [ 166.623929] __alloc_skb+0x119/0x770 [ 166.628400] 1*2048kB [ 166.630816] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 166.635028] (M) [ 166.637018] ? skb_scrub_packet+0x490/0x490 [ 166.640705] 4*4096kB [ 166.643116] ? lock_downgrade+0x900/0x900 [ 166.648365] (M) = 24888kB [ 166.650355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.654647] Node 0 [ 166.657055] ? refcount_sub_and_test_checked+0x203/0x310 [ 166.661177] Normal: [ 166.663939] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 166.669460] 1035*4kB [ 166.671750] ? addrconf_rs_timer+0x6f0/0x6f0 [ 166.677177] (MEH) [ 166.679523] ndisc_alloc_skb+0x144/0x340 [ 166.684941] 457*8kB [ 166.687354] ndisc_send_rs+0x331/0x6e0 [ 166.691736] (UMEH) [ 166.693888] addrconf_rs_timer+0x3c0/0x6f0 [ 166.697921] 163*16kB [ 166.700245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.704108] (MEH) [ 166.706356] call_timer_fn+0x272/0x920 [ 166.710562] 58*32kB (UMEH) [ 166.712981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.717189] 13*64kB (UMH) [ 166.719356] ? process_timeout+0x40/0x40 [ 166.723215] 2*128kB (H) [ 166.726174] ? find_held_lock+0x36/0x1c0 [ 166.730383] 0*256kB 0*512kB [ 166.733249] ? __run_timers+0x7da/0xc70 [ 166.737270] 0*1024kB 0*2048kB [ 166.739949] ? _raw_spin_unlock_irq+0x27/0x80 [ 166.743984] 0*4096kB = 13348kB [ 166.747018] ? _raw_spin_unlock_irq+0x27/0x80 [ 166.750986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 166.754204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.758676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 166.761862] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 166.766333] 412 total pagecache pages [ 166.775167] ? trace_hardirqs_on+0xbd/0x310 [ 166.779386] 0 pages in swap cache [ 166.787956] ? kasan_check_read+0x11/0x20 [ 166.792622] Swap cache stats: add 0, delete 0, find 0/0 [ 166.792633] Free swap = 0kB [ 166.796441] ? __run_timers+0x7da/0xc70 [ 166.800728] Total swap = 0kB [ 166.800737] 1965979 pages RAM [ 166.804191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 166.808307] 0 pages HighMem/MovableOnly [ 166.808317] 343323 pages reserved [ 166.813687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.816678] 0 pages cma reserved [ 166.820648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 166.823703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 166.826749] __run_timers+0x7e5/0xc70 [ 166.832310] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 166.836172] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 166.839591] syz-executor3 cpuset= [ 166.843831] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 166.847180] syz3 [ 166.851419] ? graph_lock+0x170/0x170 [ 166.857890] mems_allowed=0 [ 166.861685] ? enqueue_hrtimer+0x1a5/0x560 [ 166.898890] ? lock_release+0x970/0x970 [ 166.902900] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 166.908104] ? find_held_lock+0x36/0x1c0 [ 166.912177] ? graph_lock+0x170/0x170 [ 166.915993] ? pvclock_read_flags+0x160/0x160 [ 166.920497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.926044] ? check_preemption_disabled+0x48/0x200 [ 166.931074] ? __lock_is_held+0xb5/0x140 [ 166.935140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.940694] ? check_preemption_disabled+0x48/0x200 [ 166.945725] run_timer_softirq+0x52/0xb0 [ 166.949789] ? rcu_read_lock_sched_held+0x108/0x120 [ 166.954806] __do_softirq+0x30b/0xad8 [ 166.958629] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 166.963753] ? pvclock_read_flags+0x160/0x160 [ 166.968247] ? lapic_next_event+0x5a/0x90 [ 166.972395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 166.977933] ? check_preemption_disabled+0x48/0x200 [ 166.982950] ? check_preemption_disabled+0x48/0x200 [ 166.987984] ? kvm_clock_read+0x18/0x30 [ 166.991960] ? kvm_sched_clock_read+0x9/0x20 [ 166.996373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.001909] ? check_preemption_disabled+0x48/0x200 [ 167.006938] irq_exit+0x17f/0x1c0 [ 167.010401] smp_apic_timer_interrupt+0x1cb/0x760 [ 167.015248] ? smp_reschedule_interrupt+0x109/0x650 [ 167.020269] ? smp_call_function_single_interrupt+0x650/0x650 [ 167.026154] ? interrupt_entry+0xb5/0xf0 [ 167.030225] ? trace_hardirqs_off_caller+0xbb/0x300 [ 167.035252] ? trace_hardirqs_off_caller+0xbb/0x300 [ 167.040273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.045121] ? trace_hardirqs_off+0x300/0x300 [ 167.049615] ? trace_hardirqs_off+0x300/0x300 [ 167.054117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.059656] ? check_preemption_disabled+0x48/0x200 [ 167.064676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.070232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.075085] apic_timer_interrupt+0xf/0x20 [ 167.079315] [ 167.081555] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 167.086491] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 167.105404] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 167.113120] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 167.120393] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 167.127663] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 167.134938] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 167.142217] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 167.149553] skb_clone+0x1bb/0x500 [ 167.153104] ? finish_task_switch+0x1b5/0x900 [ 167.157603] ? skb_split+0x11e0/0x11e0 [ 167.161498] ? preempt_notifier_register+0x200/0x200 [ 167.166602] ? __switch_to_asm+0x34/0x70 [ 167.170661] ? __switch_to_asm+0x34/0x70 [ 167.174721] ? __switch_to_asm+0x40/0x70 [ 167.178779] ? __switch_to_asm+0x34/0x70 [ 167.182843] ? __switch_to_asm+0x40/0x70 [ 167.186903] ? __switch_to_asm+0x34/0x70 [ 167.190964] ? __switch_to_asm+0x40/0x70 [ 167.195027] ? __switch_to_asm+0x34/0x70 [ 167.199104] ? __switch_to_asm+0x34/0x70 [ 167.203185] ? __switch_to_asm+0x40/0x70 [ 167.207254] ? __switch_to_asm+0x34/0x70 [ 167.211326] bpf_clone_redirect+0xb9/0x490 [ 167.215572] ? __schedule+0x874/0x1ed0 [ 167.219466] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 167.224501] ? __sched_text_start+0x8/0x8 [ 167.228658] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.233423] ? find_held_lock+0x36/0x1c0 [ 167.237502] ? lock_acquire+0x1ed/0x520 [ 167.241486] ? bpf_test_run+0x32e/0x5a0 [ 167.245467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.251015] ? check_preemption_disabled+0x48/0x200 [ 167.256041] ? kasan_check_read+0x11/0x20 [ 167.260205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 167.265496] ? rcu_bh_qs+0xc0/0xc0 [ 167.269051] ? preempt_schedule+0x4d/0x60 [ 167.273212] ? ___preempt_schedule+0x16/0x18 [ 167.277635] ? bpf_test_run+0x1c0/0x5a0 [ 167.281624] ? netlink_diag_dump+0x2a0/0x2a0 [ 167.286038] ? bpf_prog_test_run_skb+0x295/0xb40 [ 167.290800] ? bpf_prog_test_run_skb+0x634/0xb40 [ 167.295565] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 167.300413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 167.305951] ? fput+0x130/0x1a0 [ 167.309237] ? __bpf_prog_get+0x9b/0x290 [ 167.313310] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 167.318157] ? bpf_prog_test_run+0x130/0x1a0 [ 167.322576] ? __x64_sys_bpf+0x3d8/0x510 [ 167.326640] ? bpf_prog_get+0x20/0x20 [ 167.330460] ? do_syscall_64+0x1b9/0x820 [ 167.334531] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 167.339898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 167.344827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.349670] ? trace_hardirqs_off+0x300/0x300 [ 167.354170] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 167.359204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.364750] ? prepare_exit_to_usermode+0x291/0x3b0 [ 167.369776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.374627] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.380012] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 167.380081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 167.387209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.387218] Call Trace: [ 167.393847] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 167.403574] [ 167.406147] syz-executor3 cpuset= [ 167.416627] dump_stack+0x1c4/0x2b4 [ 167.418755] syz3 [ 167.422217] ? dump_stack_print_info.cold.2+0x52/0x52 [ 167.425824] mems_allowed=0 [ 167.427816] warn_alloc.cold.118+0xb7/0x1bd [ 167.440257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 167.445107] ? lock_downgrade+0x900/0x900 [ 167.449262] ? trace_hardirqs_off+0xb8/0x300 [ 167.453677] ? trace_hardirqs_off+0xb8/0x300 [ 167.458097] __alloc_pages_slowpath+0x2667/0x2d80 [ 167.462981] ? warn_alloc+0x120/0x120 [ 167.466790] ? trace_hardirqs_on+0x310/0x310 [ 167.471205] ? warn_alloc+0x120/0x120 [ 167.475011] ? print_usage_bug+0xc0/0xc0 [ 167.479088] ? warn_alloc+0x120/0x120 [ 167.482888] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 167.487904] ? print_usage_bug+0xc0/0xc0 [ 167.491968] ? __lock_acquire+0x7ec/0x4ec0 [ 167.496208] ? __lock_acquire+0x7ec/0x4ec0 [ 167.500450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 167.506003] ? should_fail+0x22d/0xd01 [ 167.510294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.515407] ? __lock_acquire+0x7ec/0x4ec0 [ 167.519657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 167.524815] ? __lock_acquire+0x7ec/0x4ec0 [ 167.529054] ? should_fail+0x22d/0xd01 [ 167.532944] ? print_usage_bug+0xc0/0xc0 [ 167.537030] ? mark_held_locks+0x130/0x130 [ 167.541279] ? mark_held_locks+0x130/0x130 [ 167.545529] ? graph_lock+0x170/0x170 [ 167.549337] ? print_usage_bug+0xc0/0xc0 [ 167.553488] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.558256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.563800] ? check_preemption_disabled+0x48/0x200 [ 167.568816] ? check_preemption_disabled+0x48/0x200 [ 167.573846] ? __lock_is_held+0xb5/0x140 [ 167.577923] __alloc_pages_nodemask+0xa80/0xde0 [ 167.582599] ? graph_lock+0x170/0x170 [ 167.586410] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 167.591427] ? graph_lock+0x170/0x170 [ 167.595243] ? find_held_lock+0x36/0x1c0 [ 167.599318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 167.603997] ? lock_downgrade+0x900/0x900 [ 167.608158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.613703] cache_grow_begin+0x91/0x8c0 [ 167.617766] ? do_raw_spin_unlock+0xa7/0x2f0 [ 167.622186] fallback_alloc+0x203/0x2e0 [ 167.626181] ____cache_alloc_node+0x1c7/0x1e0 [ 167.630688] kmem_cache_alloc_node+0xe3/0x730 [ 167.635191] ? ipv6_get_ifaddr+0x42e/0x620 [ 167.639443] __alloc_skb+0x119/0x770 [ 167.643159] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 167.648442] ? skb_scrub_packet+0x490/0x490 [ 167.652763] ? lock_downgrade+0x900/0x900 [ 167.656924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.662462] ? refcount_sub_and_test_checked+0x203/0x310 [ 167.667919] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 167.673385] ? addrconf_rs_timer+0x6f0/0x6f0 [ 167.677807] ndisc_alloc_skb+0x144/0x340 [ 167.681876] ndisc_send_rs+0x331/0x6e0 [ 167.685776] addrconf_rs_timer+0x3c0/0x6f0 [ 167.690018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.694267] call_timer_fn+0x272/0x920 [ 167.698154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.702391] ? process_timeout+0x40/0x40 [ 167.706452] ? find_held_lock+0x36/0x1c0 [ 167.710528] ? __run_timers+0x7da/0xc70 [ 167.714514] ? _raw_spin_unlock_irq+0x27/0x80 [ 167.719012] ? _raw_spin_unlock_irq+0x27/0x80 [ 167.723510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.727747] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 167.732337] ? trace_hardirqs_on+0xbd/0x310 [ 167.736664] ? kasan_check_read+0x11/0x20 [ 167.740812] ? __run_timers+0x7da/0xc70 [ 167.744786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 167.750251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 167.754492] __run_timers+0x7e5/0xc70 [ 167.758308] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 167.763674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 167.768694] ? graph_lock+0x170/0x170 [ 167.772503] ? enqueue_hrtimer+0x1a5/0x560 [ 167.776738] ? lock_release+0x970/0x970 [ 167.780718] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 167.785943] ? find_held_lock+0x36/0x1c0 [ 167.790017] ? graph_lock+0x170/0x170 [ 167.793822] ? pvclock_read_flags+0x160/0x160 [ 167.798323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.803864] ? check_preemption_disabled+0x48/0x200 [ 167.808899] ? __lock_is_held+0xb5/0x140 [ 167.812967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.818512] ? check_preemption_disabled+0x48/0x200 [ 167.823538] run_timer_softirq+0x52/0xb0 [ 167.827607] ? rcu_read_lock_sched_held+0x108/0x120 [ 167.832632] __do_softirq+0x30b/0xad8 [ 167.836451] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 167.841565] ? pvclock_read_flags+0x160/0x160 [ 167.846066] ? lapic_next_event+0x5a/0x90 [ 167.850228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.855765] ? check_preemption_disabled+0x48/0x200 [ 167.860786] ? check_preemption_disabled+0x48/0x200 [ 167.865817] ? kvm_clock_read+0x18/0x30 [ 167.869795] ? kvm_sched_clock_read+0x9/0x20 [ 167.874221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.879759] ? check_preemption_disabled+0x48/0x200 [ 167.884791] irq_exit+0x17f/0x1c0 [ 167.888249] smp_apic_timer_interrupt+0x1cb/0x760 [ 167.893098] ? smp_reschedule_interrupt+0x109/0x650 [ 167.898117] ? smp_call_function_single_interrupt+0x650/0x650 [ 167.904008] ? interrupt_entry+0xb5/0xf0 [ 167.908074] ? trace_hardirqs_off_caller+0xbb/0x300 [ 167.913092] ? trace_hardirqs_off_caller+0xbb/0x300 [ 167.918120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.922965] ? trace_hardirqs_off+0x300/0x300 [ 167.927471] ? trace_hardirqs_off+0x300/0x300 [ 167.931984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.937527] ? check_preemption_disabled+0x48/0x200 [ 167.942551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 167.948102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 167.952956] apic_timer_interrupt+0xf/0x20 [ 167.957192] [ 167.959440] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 167.964371] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 167.983272] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 167.990988] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 167.998257] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 168.005525] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 168.012794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 168.020061] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 168.027384] skb_clone+0x1bb/0x500 [ 168.030937] ? finish_task_switch+0x664/0x900 [ 168.035441] ? skb_split+0x11e0/0x11e0 [ 168.039334] ? preempt_notifier_register+0x200/0x200 [ 168.044438] ? __switch_to_asm+0x34/0x70 [ 168.048500] ? __switch_to_asm+0x34/0x70 [ 168.052559] ? __switch_to_asm+0x40/0x70 [ 168.056618] ? __switch_to_asm+0x34/0x70 [ 168.060679] ? __switch_to_asm+0x40/0x70 [ 168.064740] ? __switch_to_asm+0x34/0x70 [ 168.068799] ? __switch_to_asm+0x40/0x70 [ 168.072864] ? __switch_to_asm+0x34/0x70 [ 168.077016] ? __switch_to_asm+0x34/0x70 [ 168.081076] ? __switch_to_asm+0x40/0x70 [ 168.085138] ? __switch_to_asm+0x34/0x70 [ 168.089216] bpf_clone_redirect+0xb9/0x490 [ 168.093456] ? __schedule+0x874/0x1ed0 [ 168.097360] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 168.102384] ? __sched_text_start+0x8/0x8 [ 168.106536] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.111312] ? find_held_lock+0x36/0x1c0 [ 168.115384] ? lock_acquire+0x1ed/0x520 [ 168.119362] ? bpf_test_run+0x32e/0x5a0 [ 168.123337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.128872] ? check_preemption_disabled+0x48/0x200 [ 168.133896] ? kasan_check_read+0x11/0x20 [ 168.138045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 168.143336] ? rcu_bh_qs+0xc0/0xc0 [ 168.146884] ? preempt_schedule+0x4d/0x60 [ 168.151037] ? ___preempt_schedule+0x16/0x18 [ 168.155456] ? bpf_test_run+0x1c0/0x5a0 [ 168.159444] ? netlink_diag_dump+0x2a0/0x2a0 [ 168.163856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 168.169394] ? bpf_test_init.isra.9+0x70/0x100 [ 168.173991] ? bpf_prog_test_run_skb+0x634/0xb40 [ 168.178755] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 168.183601] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 168.189136] ? fput+0x130/0x1a0 [ 168.192422] ? __bpf_prog_get+0x9b/0x290 [ 168.196487] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 168.201335] ? bpf_prog_test_run+0x130/0x1a0 [ 168.205750] ? __x64_sys_bpf+0x3d8/0x510 [ 168.209813] ? bpf_prog_get+0x20/0x20 [ 168.213629] ? ksys_ioctl+0x81/0xd0 [ 168.217277] ? do_syscall_64+0x1b9/0x820 [ 168.221342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 168.226717] ? syscall_return_slowpath+0x5e0/0x5e0 [ 168.231651] ? trace_hardirqs_off+0x300/0x300 [ 168.236148] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 168.241187] ? recalc_sigpending_tsk+0x180/0x180 [ 168.245955] ? kasan_check_write+0x14/0x20 [ 168.250210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.255069] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.260455] warn_alloc_show_mem: 1 callbacks suppressed [ 168.260467] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 168.260469] Mem-Info: [ 168.260506] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 168.260506] active_file:17 inactive_file:11 isolated_file:5 [ 168.260506] unevictable:0 dirty:0 writeback:0 unstable:0 [ 168.260506] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 168.260506] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 168.260506] free:13528 free_pcp:440 free_cma:0 [ 168.265847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.265856] Call Trace: [ 168.273053] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 168.275457] [ 168.308350] Node 0 [ 168.317719] dump_stack+0x1c4/0x2b4 [ 168.320313] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 168.348069] ? dump_stack_print_info.cold.2+0x52/0x52 [ 168.350203] lowmem_reserve[]: [ 168.352451] warn_alloc.cold.118+0xb7/0x1bd [ 168.356046] 0 [ 168.381559] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 168.386730] 2815 [ 168.389835] ? lock_downgrade+0x900/0x900 [ 168.394132] 6318 6318 [ 168.395945] ? trace_hardirqs_off+0xb8/0x300 [ 168.401006] Node 0 [ 168.403073] ? trace_hardirqs_off+0xb8/0x300 [ 168.407221] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 168.409704] __alloc_pages_slowpath+0x2667/0x2d80 [ 168.414081] lowmem_reserve[]: 0 [ 168.416351] ? warn_alloc+0x120/0x120 [ 168.420708] 0 [ 168.447869] ? warn_alloc+0x120/0x120 [ 168.452697] 3503 [ 168.455981] ? print_usage_bug+0xc0/0xc0 [ 168.459761] 3503 [ 168.461563] ? warn_alloc+0x120/0x120 [ 168.465342] Node 0 [ 168.467406] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 168.471475] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 168.473517] ? print_usage_bug+0xc0/0xc0 [ 168.477293] lowmem_reserve[]: [ 168.479530] ? __lock_acquire+0x7ec/0x4ec0 [ 168.484521] 0 [ 168.512986] ? __lock_acquire+0x7ec/0x4ec0 [ 168.517040] 0 [ 168.520149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 168.524359] 0 [ 168.526164] ? should_fail+0x22d/0xd01 [ 168.530372] 0 [ 168.532175] ? __lock_acquire+0x7ec/0x4ec0 [ 168.539496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 168.543354] Node 0 [ 168.545157] ? __lock_acquire+0x7ec/0x4ec0 [ 168.549366] DMA: [ 168.554471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 168.556693] 1*4kB [ 168.560931] ? __lock_acquire+0x7ec/0x4ec0 [ 168.562970] (U) [ 168.568071] ? should_fail+0x22d/0xd01 [ 168.570211] 0*8kB [ 168.574448] ? mark_held_locks+0x130/0x130 [ 168.576397] 0*16kB [ 168.580279] ? mark_held_locks+0x130/0x130 [ 168.582409] 1*32kB [ 168.586645] ? graph_lock+0x170/0x170 [ 168.588851] (U) 2*64kB [ 168.593090] ? print_usage_bug+0xc0/0xc0 [ 168.595305] (U) [ 168.599105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.601667] 1*128kB (U) [ 168.605739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.607691] 1*256kB [ 168.612445] ? check_preemption_disabled+0x48/0x200 [ 168.615091] (U) [ 168.620623] ? check_preemption_disabled+0x48/0x200 [ 168.622930] 0*512kB [ 168.627947] ? __lock_is_held+0xb5/0x140 [ 168.629893] 1*1024kB [ 168.634909] __alloc_pages_nodemask+0xa80/0xde0 [ 168.637199] (U) 1*2048kB (M) [ 168.641278] ? graph_lock+0x170/0x170 [ 168.643666] 3*4096kB (M) [ 168.648345] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 168.651429] = 15908kB [ 168.655227] ? graph_lock+0x170/0x170 [ 168.655253] ? find_held_lock+0x36/0x1c0 [ 168.657991] Node 0 [ 168.663008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 168.665390] DMA32: [ 168.669186] ? lock_downgrade+0x900/0x900 [ 168.673227] 4*4kB [ 168.675470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.680117] (UM) [ 168.682358] cache_grow_begin+0x91/0x8c0 [ 168.686477] 3*8kB (UM) [ 168.688640] ? do_raw_spin_unlock+0xa7/0x2f0 [ 168.694153] 1*16kB [ 168.696225] fallback_alloc+0x203/0x2e0 [ 168.700252] (M) [ 168.702837] ____cache_alloc_node+0x1c7/0x1e0 [ 168.707222] 2*32kB [ 168.709459] kmem_cache_alloc_node+0xe3/0x730 [ 168.713404] (UM) [ 168.715383] ? ipv6_get_ifaddr+0x42e/0x620 [ 168.719846] 3*64kB (UM) [ 168.722098] __alloc_skb+0x119/0x770 [ 168.726561] 4*128kB (UM) [ 168.728640] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 168.732843] 2*256kB (M) [ 168.735526] ? skb_scrub_packet+0x490/0x490 [ 168.739222] 4*512kB [ 168.741979] ? lock_downgrade+0x900/0x900 [ 168.747237] (UM) [ 168.749910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.754200] 3*1024kB (M) 1*2048kB [ 168.756537] ? refcount_sub_and_test_checked+0x203/0x310 [ 168.760661] (M) [ 168.762725] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 168.768237] 4*4096kB [ 168.771773] ? addrconf_rs_timer+0x6f0/0x6f0 [ 168.777205] (M) [ 168.779189] ndisc_alloc_skb+0x144/0x340 [ 168.784608] = 24888kB [ 168.787018] ndisc_send_rs+0x331/0x6e0 [ 168.791418] Node 0 [ 168.793403] addrconf_rs_timer+0x3c0/0x6f0 [ 168.797439] Normal: [ 168.799850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.803714] 1035*4kB [ 168.805967] call_timer_fn+0x272/0x920 [ 168.810171] (MEH) [ 168.812505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.816715] 457*8kB [ 168.819128] ? process_timeout+0x40/0x40 [ 168.822991] (UMEH) [ 168.825140] ? find_held_lock+0x36/0x1c0 [ 168.829348] 163*16kB (MEH) [ 168.831684] ? __run_timers+0x7da/0xc70 [ 168.835711] 58*32kB (UMEH) [ 168.837960] ? _raw_spin_unlock_irq+0x27/0x80 [ 168.842002] 13*64kB (UMH) [ 168.844941] ? _raw_spin_unlock_irq+0x27/0x80 [ 168.848893] 2*128kB [ 168.851827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.856294] (H) [ 168.859135] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 168.863616] 0*256kB 0*512kB [ 168.865950] ? trace_hardirqs_on+0xbd/0x310 [ 168.870160] 0*1024kB [ 168.872156] ? kasan_check_read+0x11/0x20 [ 168.876713] 0*2048kB 0*4096kB [ 168.879745] ? __run_timers+0x7da/0xc70 [ 168.884045] = 13348kB [ 168.886456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 168.890588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 168.893790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 168.897737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 168.900145] __run_timers+0x7e5/0xc70 [ 168.905570] 412 total pagecache pages [ 168.914421] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 168.918730] 0 pages in swap cache [ 168.927303] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 168.931083] Swap cache stats: add 0, delete 0, find 0/0 [ 168.934879] ? graph_lock+0x170/0x170 [ 168.940212] Free swap = 0kB [ 168.940221] Total swap = 0kB [ 168.943672] ? enqueue_hrtimer+0x1a5/0x560 [ 168.948667] 1965979 pages RAM [ 168.954037] ? lock_release+0x970/0x970 [ 168.957815] 0 pages HighMem/MovableOnly [ 168.960836] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 168.963831] 343323 pages reserved [ 168.968064] ? find_held_lock+0x36/0x1c0 [ 168.971144] 0 pages cma reserved [ 168.975117] ? graph_lock+0x170/0x170 [ 168.979130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 168.984251] ? pvclock_read_flags+0x160/0x160 [ 168.987773] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 168.991742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 168.995085] syz-executor3 cpuset= [ 168.998883] ? check_preemption_disabled+0x48/0x200 [ 169.005361] syz3 [ 169.009870] ? __lock_is_held+0xb5/0x140 [ 169.020331] mems_allowed=0 [ 169.025875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.048768] ? check_preemption_disabled+0x48/0x200 [ 169.053807] run_timer_softirq+0x52/0xb0 [ 169.057874] ? rcu_read_lock_sched_held+0x108/0x120 [ 169.062904] __do_softirq+0x30b/0xad8 [ 169.066722] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 169.071838] ? pvclock_read_flags+0x160/0x160 [ 169.076337] ? lapic_next_event+0x5a/0x90 [ 169.080497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.086050] ? check_preemption_disabled+0x48/0x200 [ 169.091079] ? check_preemption_disabled+0x48/0x200 [ 169.096114] ? kvm_clock_read+0x18/0x30 [ 169.100100] ? kvm_sched_clock_read+0x9/0x20 [ 169.104530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.110078] ? check_preemption_disabled+0x48/0x200 [ 169.115113] irq_exit+0x17f/0x1c0 [ 169.118580] smp_apic_timer_interrupt+0x1cb/0x760 [ 169.123432] ? smp_reschedule_interrupt+0x109/0x650 [ 169.128458] ? smp_call_function_single_interrupt+0x650/0x650 [ 169.134364] ? interrupt_entry+0xb5/0xf0 [ 169.138433] ? trace_hardirqs_off_caller+0xbb/0x300 [ 169.143454] ? trace_hardirqs_off_caller+0xbb/0x300 [ 169.148486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.153336] ? trace_hardirqs_off+0x300/0x300 [ 169.157832] ? trace_hardirqs_off+0x300/0x300 [ 169.162337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.167874] ? check_preemption_disabled+0x48/0x200 [ 169.172892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.178445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.183310] apic_timer_interrupt+0xf/0x20 [ 169.187546] [ 169.189788] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 169.194723] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 169.213634] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 169.221360] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 169.228645] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 169.235920] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 169.243193] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 169.250485] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 169.257827] skb_clone+0x1bb/0x500 [ 169.261380] ? finish_task_switch+0x1b5/0x900 [ 169.265879] ? skb_split+0x11e0/0x11e0 [ 169.269773] ? preempt_notifier_register+0x200/0x200 [ 169.274877] ? __switch_to_asm+0x34/0x70 [ 169.278942] ? __switch_to_asm+0x34/0x70 [ 169.283002] ? __switch_to_asm+0x40/0x70 [ 169.287060] ? __switch_to_asm+0x34/0x70 [ 169.291120] ? __switch_to_asm+0x40/0x70 [ 169.295188] ? __switch_to_asm+0x34/0x70 [ 169.299257] ? __switch_to_asm+0x40/0x70 [ 169.303318] ? __switch_to_asm+0x34/0x70 [ 169.307387] ? __switch_to_asm+0x34/0x70 [ 169.311447] ? __switch_to_asm+0x40/0x70 [ 169.315518] ? __switch_to_asm+0x34/0x70 [ 169.319593] bpf_clone_redirect+0xb9/0x490 [ 169.323836] ? __schedule+0x874/0x1ed0 [ 169.327737] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 169.332778] ? __sched_text_start+0x8/0x8 [ 169.336964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.341733] ? find_held_lock+0x36/0x1c0 [ 169.345804] ? lock_acquire+0x1ed/0x520 [ 169.349787] ? bpf_test_run+0x32e/0x5a0 [ 169.353771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.359314] ? check_preemption_disabled+0x48/0x200 [ 169.364343] ? kasan_check_read+0x11/0x20 [ 169.368502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 169.373783] ? rcu_bh_qs+0xc0/0xc0 [ 169.377331] ? preempt_schedule+0x4d/0x60 [ 169.381489] ? ___preempt_schedule+0x16/0x18 [ 169.385912] ? bpf_test_run+0x1c0/0x5a0 [ 169.389902] ? netlink_diag_dump+0x2a0/0x2a0 [ 169.394320] ? bpf_prog_test_run_skb+0x295/0xb40 [ 169.399260] ? bpf_prog_test_run_skb+0x634/0xb40 [ 169.404030] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 169.408877] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 169.414425] ? fput+0x130/0x1a0 [ 169.417711] ? __bpf_prog_get+0x9b/0x290 [ 169.421785] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 169.426652] ? bpf_prog_test_run+0x130/0x1a0 [ 169.431079] ? __x64_sys_bpf+0x3d8/0x510 [ 169.435144] ? bpf_prog_get+0x20/0x20 [ 169.438969] ? do_syscall_64+0x1b9/0x820 [ 169.443039] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 169.448412] ? syscall_return_slowpath+0x5e0/0x5e0 [ 169.453343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.458214] ? trace_hardirqs_off+0x300/0x300 [ 169.462719] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 169.467749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.473307] ? prepare_exit_to_usermode+0x291/0x3b0 [ 169.478347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.483220] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.488618] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 169.488691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 169.495834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.495845] Call Trace: [ 169.502440] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 169.512175] [ 169.514757] syz-executor3 cpuset= [ 169.525250] dump_stack+0x1c4/0x2b4 [ 169.527383] syz3 [ 169.530835] ? dump_stack_print_info.cold.2+0x52/0x52 [ 169.534450] mems_allowed=0 [ 169.536438] warn_alloc.cold.118+0xb7/0x1bd [ 169.548874] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 169.553727] ? lock_downgrade+0x900/0x900 [ 169.557894] ? trace_hardirqs_off+0xb8/0x300 [ 169.562327] ? trace_hardirqs_off+0xb8/0x300 [ 169.566775] __alloc_pages_slowpath+0x2667/0x2d80 [ 169.571659] ? warn_alloc+0x120/0x120 [ 169.575466] ? trace_hardirqs_on+0x310/0x310 [ 169.579879] ? warn_alloc+0x120/0x120 [ 169.583690] ? print_usage_bug+0xc0/0xc0 [ 169.587759] ? warn_alloc+0x120/0x120 [ 169.591565] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 169.596595] ? print_usage_bug+0xc0/0xc0 [ 169.600676] ? __lock_acquire+0x7ec/0x4ec0 [ 169.604917] ? __lock_acquire+0x7ec/0x4ec0 [ 169.609165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.614713] ? should_fail+0x22d/0xd01 [ 169.618618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.623737] ? __lock_acquire+0x7ec/0x4ec0 [ 169.627991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 169.633104] ? __lock_acquire+0x7ec/0x4ec0 [ 169.637343] ? should_fail+0x22d/0xd01 [ 169.641237] ? print_usage_bug+0xc0/0xc0 [ 169.645324] ? mark_held_locks+0x130/0x130 [ 169.649571] ? mark_held_locks+0x130/0x130 [ 169.653828] ? graph_lock+0x170/0x170 [ 169.657635] ? print_usage_bug+0xc0/0xc0 [ 169.661704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.666473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.672022] ? check_preemption_disabled+0x48/0x200 [ 169.677051] ? check_preemption_disabled+0x48/0x200 [ 169.682096] ? __lock_is_held+0xb5/0x140 [ 169.686179] __alloc_pages_nodemask+0xa80/0xde0 [ 169.690890] ? graph_lock+0x170/0x170 [ 169.694711] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 169.699737] ? graph_lock+0x170/0x170 [ 169.703562] ? find_held_lock+0x36/0x1c0 [ 169.707647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 169.712328] ? lock_downgrade+0x900/0x900 [ 169.716500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.722063] cache_grow_begin+0x91/0x8c0 [ 169.726251] ? do_raw_spin_unlock+0xa7/0x2f0 [ 169.730688] fallback_alloc+0x203/0x2e0 [ 169.734684] ____cache_alloc_node+0x1c7/0x1e0 [ 169.739213] kmem_cache_alloc_node+0xe3/0x730 [ 169.743736] ? ipv6_get_ifaddr+0x42e/0x620 [ 169.747995] __alloc_skb+0x119/0x770 [ 169.751736] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 169.757027] ? skb_scrub_packet+0x490/0x490 [ 169.761363] ? lock_downgrade+0x900/0x900 [ 169.765530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.771081] ? refcount_sub_and_test_checked+0x203/0x310 [ 169.776548] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 169.782016] ? addrconf_rs_timer+0x6f0/0x6f0 [ 169.786452] ndisc_alloc_skb+0x144/0x340 [ 169.790536] ndisc_send_rs+0x331/0x6e0 [ 169.794440] addrconf_rs_timer+0x3c0/0x6f0 [ 169.798693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.802955] call_timer_fn+0x272/0x920 [ 169.806855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.811105] ? process_timeout+0x40/0x40 [ 169.815255] ? find_held_lock+0x36/0x1c0 [ 169.819336] ? __run_timers+0x7da/0xc70 [ 169.823318] ? _raw_spin_unlock_irq+0x27/0x80 [ 169.827822] ? _raw_spin_unlock_irq+0x27/0x80 [ 169.832325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.836572] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 169.841164] ? trace_hardirqs_on+0xbd/0x310 [ 169.845487] ? kasan_check_read+0x11/0x20 [ 169.849651] ? __run_timers+0x7da/0xc70 [ 169.853634] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 169.859103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.863353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 169.867773] __run_timers+0x7e5/0xc70 [ 169.871592] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 169.876964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 169.881997] ? graph_lock+0x170/0x170 [ 169.885807] ? enqueue_hrtimer+0x1a5/0x560 [ 169.890052] ? lock_release+0x970/0x970 [ 169.894033] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 169.899235] ? find_held_lock+0x36/0x1c0 [ 169.903309] ? graph_lock+0x170/0x170 [ 169.907135] ? pvclock_read_flags+0x160/0x160 [ 169.911642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.917187] ? check_preemption_disabled+0x48/0x200 [ 169.922231] ? __lock_is_held+0xb5/0x140 [ 169.926313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.931861] ? check_preemption_disabled+0x48/0x200 [ 169.936900] run_timer_softirq+0x52/0xb0 [ 169.940968] ? rcu_read_lock_sched_held+0x108/0x120 [ 169.946006] __do_softirq+0x30b/0xad8 [ 169.949830] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 169.954948] ? pvclock_read_flags+0x160/0x160 [ 169.959460] ? lapic_next_event+0x5a/0x90 [ 169.963621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.969178] ? check_preemption_disabled+0x48/0x200 [ 169.974203] ? check_preemption_disabled+0x48/0x200 [ 169.979244] ? kvm_clock_read+0x18/0x30 [ 169.983235] ? kvm_sched_clock_read+0x9/0x20 [ 169.987667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.993216] ? check_preemption_disabled+0x48/0x200 [ 169.998255] irq_exit+0x17f/0x1c0 [ 170.001721] smp_apic_timer_interrupt+0x1cb/0x760 [ 170.006572] ? smp_reschedule_interrupt+0x109/0x650 [ 170.011606] ? smp_call_function_single_interrupt+0x650/0x650 [ 170.017498] ? interrupt_entry+0xb5/0xf0 [ 170.021567] ? trace_hardirqs_off_caller+0xbb/0x300 [ 170.026591] ? trace_hardirqs_off_caller+0xbb/0x300 [ 170.031624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.036475] ? trace_hardirqs_off+0x300/0x300 [ 170.040986] ? trace_hardirqs_off+0x300/0x300 [ 170.045491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.051046] ? check_preemption_disabled+0x48/0x200 [ 170.056071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.061629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.066494] apic_timer_interrupt+0xf/0x20 [ 170.070734] [ 170.072984] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 170.077924] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 170.096834] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 170.104555] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 170.111835] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 170.119112] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 170.126395] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 170.133671] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 170.141007] skb_clone+0x1bb/0x500 [ 170.144558] ? finish_task_switch+0x664/0x900 [ 170.149059] ? skb_split+0x11e0/0x11e0 [ 170.152957] ? preempt_notifier_register+0x200/0x200 [ 170.158067] ? __switch_to_asm+0x34/0x70 [ 170.162131] ? __switch_to_asm+0x34/0x70 [ 170.166195] ? __switch_to_asm+0x40/0x70 [ 170.170256] ? __switch_to_asm+0x34/0x70 [ 170.174321] ? __switch_to_asm+0x40/0x70 [ 170.178389] ? __switch_to_asm+0x34/0x70 [ 170.182460] ? __switch_to_asm+0x40/0x70 [ 170.186522] ? __switch_to_asm+0x34/0x70 [ 170.190592] ? __switch_to_asm+0x34/0x70 [ 170.194652] ? __switch_to_asm+0x40/0x70 [ 170.198717] ? __switch_to_asm+0x34/0x70 [ 170.202795] bpf_clone_redirect+0xb9/0x490 [ 170.207041] ? __schedule+0x874/0x1ed0 [ 170.210939] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 170.215965] ? __sched_text_start+0x8/0x8 [ 170.220124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.224899] ? find_held_lock+0x36/0x1c0 [ 170.228981] ? lock_acquire+0x1ed/0x520 [ 170.232962] ? bpf_test_run+0x32e/0x5a0 [ 170.236952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.242501] ? check_preemption_disabled+0x48/0x200 [ 170.247525] ? kasan_check_read+0x11/0x20 [ 170.251685] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 170.256996] ? rcu_bh_qs+0xc0/0xc0 [ 170.260545] ? preempt_schedule+0x4d/0x60 [ 170.264697] ? ___preempt_schedule+0x16/0x18 [ 170.269118] ? bpf_test_run+0x1c0/0x5a0 [ 170.273110] ? netlink_diag_dump+0x2a0/0x2a0 [ 170.277531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 170.283072] ? bpf_test_init.isra.9+0x70/0x100 [ 170.287677] ? bpf_prog_test_run_skb+0x634/0xb40 [ 170.292446] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 170.297299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 170.302866] ? fput+0x130/0x1a0 [ 170.306155] ? __bpf_prog_get+0x9b/0x290 [ 170.310225] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 170.315070] ? bpf_prog_test_run+0x130/0x1a0 [ 170.319487] ? __x64_sys_bpf+0x3d8/0x510 [ 170.323553] ? bpf_prog_get+0x20/0x20 [ 170.327375] ? ksys_ioctl+0x81/0xd0 [ 170.331031] ? do_syscall_64+0x1b9/0x820 [ 170.335096] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 170.340467] ? syscall_return_slowpath+0x5e0/0x5e0 [ 170.345408] ? trace_hardirqs_off+0x300/0x300 [ 170.349910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 170.354933] ? recalc_sigpending_tsk+0x180/0x180 [ 170.359692] ? kasan_check_write+0x14/0x20 [ 170.363941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 170.368807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.374203] warn_alloc_show_mem: 1 callbacks suppressed [ 170.374216] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 170.374218] Mem-Info: [ 170.374255] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 170.374255] active_file:17 inactive_file:11 isolated_file:5 [ 170.374255] unevictable:0 dirty:0 writeback:0 unstable:0 [ 170.374255] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 170.374255] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 170.374255] free:13528 free_pcp:440 free_cma:0 [ 170.379608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.386806] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 170.389205] Call Trace: [ 170.422337] Node 0 [ 170.431693] [ 170.459465] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 170.462027] dump_stack+0x1c4/0x2b4 [ 170.464240] lowmem_reserve[]: [ 170.466387] ? dump_stack_print_info.cold.2+0x52/0x52 [ 170.491882] 0 [ 170.495534] warn_alloc.cold.118+0xb7/0x1bd [ 170.498604] 2815 [ 170.503793] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 170.505583] 6318 [ 170.509898] ? lock_downgrade+0x900/0x900 [ 170.511940] 6318 [ 170.516781] ? trace_hardirqs_off+0xb8/0x300 [ 170.522968] ? trace_hardirqs_off+0xb8/0x300 [ 170.525022] Node 0 [ 170.529427] __alloc_pages_slowpath+0x2667/0x2d80 [ 170.533831] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 170.536068] ? warn_alloc+0x120/0x120 [ 170.540861] lowmem_reserve[]: [ 170.568024] ? trace_hardirqs_on+0x310/0x310 [ 170.571817] 0 [ 170.574921] ? warn_alloc+0x120/0x120 [ 170.579310] 0 [ 170.581111] ? print_usage_bug+0xc0/0xc0 [ 170.584886] 3503 [ 170.586703] ? warn_alloc+0x120/0x120 [ 170.590738] 3503 [ 170.592799] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 170.598634] ? print_usage_bug+0xc0/0xc0 [ 170.603625] Node 0 Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 170.607719] ? __lock_acquire+0x7ec/0x4ec0 [ 170.607736] ? __lock_acquire+0x7ec/0x4ec0 [ 170.636779] lowmem_reserve[]: [ 170.641034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 170.645242] 0 [ 170.648344] ? should_fail+0x22d/0xd01 [ 170.653855] 0 [ 170.655654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.659513] 0 [ 170.661327] ? __lock_acquire+0x7ec/0x4ec0 [ 170.666403] 0 [ 170.668205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 170.674215] ? __lock_acquire+0x7ec/0x4ec0 [ 170.674232] ? should_fail+0x22d/0xd01 [ 170.679312] Node 0 [ 170.683542] ? print_usage_bug+0xc0/0xc0 [ 170.687405] DMA: [ 170.689644] ? mark_held_locks+0x130/0x130 [ 170.693677] 1*4kB [ 170.695740] ? mark_held_locks+0x130/0x130 [ 170.699950] (U) [ 170.702103] ? graph_lock+0x170/0x170 [ 170.706310] 0*8kB [ 170.708281] ? print_usage_bug+0xc0/0xc0 [ 170.712074] 0*16kB [ 170.714218] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.714237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.718292] 1*32kB [ 170.720524] ? check_preemption_disabled+0x48/0x200 [ 170.725257] (U) [ 170.730792] ? check_preemption_disabled+0x48/0x200 [ 170.733007] 2*64kB [ 170.738027] ? __lock_is_held+0xb5/0x140 [ 170.739982] (U) [ 170.745003] __alloc_pages_nodemask+0xa80/0xde0 [ 170.747222] 1*128kB [ 170.751279] ? graph_lock+0x170/0x170 [ 170.753245] (U) [ 170.757909] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 170.760216] 1*256kB [ 170.764016] ? graph_lock+0x170/0x170 [ 170.764047] ? find_held_lock+0x36/0x1c0 [ 170.766000] (U) 0*512kB [ 170.771029] ? ____cache_alloc_node+0x1c7/0x1e0 [ 170.773322] 1*1024kB [ 170.777124] ? lock_downgrade+0x900/0x900 [ 170.781165] (U) [ 170.783840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.788479] 1*2048kB (M) [ 170.790898] cache_grow_begin+0x91/0x8c0 [ 170.795022] 3*4096kB [ 170.797001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 170.802504] (M) = 15908kB [ 170.805298] fallback_alloc+0x203/0x2e0 [ 170.809330] Node 0 [ 170.811744] ____cache_alloc_node+0x1c7/0x1e0 [ 170.816123] DMA32: [ 170.818888] kmem_cache_alloc_node+0xe3/0x730 [ 170.822849] 4*4kB [ 170.825095] ? ipv6_get_ifaddr+0x42e/0x620 [ 170.829565] (UM) [ 170.831807] __alloc_skb+0x119/0x770 [ 170.836277] 3*8kB (UM) [ 170.838439] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 170.842652] 1*16kB [ 170.844711] ? skb_scrub_packet+0x490/0x490 [ 170.848402] (M) [ 170.850984] ? lock_downgrade+0x900/0x900 [ 170.856245] 2*32kB [ 170.858486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 170.862775] (UM) [ 170.864753] ? refcount_sub_and_test_checked+0x203/0x310 [ 170.868878] 3*64kB [ 170.871113] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 170.876622] (UM) [ 170.878692] ? addrconf_rs_timer+0x6f0/0x6f0 [ 170.884117] 4*128kB [ 170.886360] ndisc_alloc_skb+0x144/0x340 [ 170.891925] (UM) [ 170.893985] ndisc_send_rs+0x331/0x6e0 [ 170.898395] 2*256kB [ 170.900719] addrconf_rs_timer+0x3c0/0x6f0 [ 170.904759] (M) [ 170.906827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.910696] 4*512kB [ 170.913028] call_timer_fn+0x272/0x920 [ 170.917224] (UM) 3*1024kB [ 170.919206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.923426] (M) [ 170.925747] ? process_timeout+0x40/0x40 [ 170.929611] 1*2048kB [ 170.932449] ? find_held_lock+0x36/0x1c0 [ 170.936657] (M) [ 170.938637] ? __run_timers+0x7da/0xc70 [ 170.942670] 4*4096kB [ 170.945080] ? _raw_spin_unlock_irq+0x27/0x80 [ 170.949116] (M) [ 170.951087] ? _raw_spin_unlock_irq+0x27/0x80 [ 170.955037] = 24888kB [ 170.957439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 170.961908] Node 0 [ 170.963883] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 170.968352] Normal: [ 170.970760] ? trace_hardirqs_on+0xbd/0x310 [ 170.974971] 1035*4kB [ 170.977207] ? kasan_check_read+0x11/0x20 [ 170.981924] (MEH) 457*8kB [ 170.984266] ? __run_timers+0x7da/0xc70 [ 170.988560] (UMEH) [ 170.990967] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 170.995093] 163*16kB [ 170.997932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.001881] (MEH) [ 171.004114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.009541] 58*32kB [ 171.011958] __run_timers+0x7e5/0xc70 [ 171.016171] (UMEH) [ 171.018328] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 171.022535] 13*64kB [ 171.024853] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 171.028626] (UMH) [ 171.030863] ? graph_lock+0x170/0x170 [ 171.036207] 2*128kB [ 171.038538] ? enqueue_hrtimer+0x1a5/0x560 [ 171.043535] (H) [ 171.045682] ? lock_release+0x970/0x970 [ 171.049488] 0*256kB 0*512kB [ 171.051819] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 171.056030] 0*1024kB [ 171.058023] ? find_held_lock+0x36/0x1c0 [ 171.061984] 0*2048kB [ 171.064999] ? graph_lock+0x170/0x170 [ 171.070178] 0*4096kB [ 171.072595] ? pvclock_read_flags+0x160/0x160 [ 171.076631] = 13348kB [ 171.079038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.082822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 171.085237] ? check_preemption_disabled+0x48/0x200 [ 171.089710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 171.089720] 412 total pagecache pages [ 171.092136] ? __lock_is_held+0xb5/0x140 [ 171.097647] 0 pages in swap cache [ 171.106488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.111477] Swap cache stats: add 0, delete 0, find 0/0 [ 171.120056] ? check_preemption_disabled+0x48/0x200 [ 171.123833] Free swap = 0kB [ 171.127896] run_timer_softirq+0x52/0xb0 [ 171.131325] Total swap = 0kB [ 171.136860] ? rcu_read_lock_sched_held+0x108/0x120 [ 171.142206] 1965979 pages RAM [ 171.147222] __do_softirq+0x30b/0xad8 [ 171.150214] 0 pages HighMem/MovableOnly [ 171.150236] 343323 pages reserved [ 171.154314] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 171.157304] 0 pages cma reserved [ 171.162327] ? pvclock_read_flags+0x160/0x160 [ 171.165471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 171.169198] ? lapic_next_event+0x5a/0x90 [ 171.169213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.169227] ? check_preemption_disabled+0x48/0x200 [ 171.169244] ? check_preemption_disabled+0x48/0x200 [ 171.173264] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 171.176650] ? kvm_clock_read+0x18/0x30 [ 171.181729] syz-executor3 cpuset= [ 171.185089] ? kvm_sched_clock_read+0x9/0x20 [ 171.189558] syz3 [ 171.196049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.200174] mems_allowed=0 [ 171.205702] ? check_preemption_disabled+0x48/0x200 [ 171.253359] irq_exit+0x17f/0x1c0 [ 171.256823] smp_apic_timer_interrupt+0x1cb/0x760 [ 171.261673] ? smp_reschedule_interrupt+0x109/0x650 [ 171.266697] ? smp_call_function_single_interrupt+0x650/0x650 [ 171.272595] ? interrupt_entry+0xb5/0xf0 [ 171.276659] ? trace_hardirqs_off_caller+0xbb/0x300 [ 171.281673] ? trace_hardirqs_off_caller+0xbb/0x300 [ 171.286690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 171.291544] ? trace_hardirqs_off+0x300/0x300 [ 171.296060] ? trace_hardirqs_off+0x300/0x300 [ 171.300571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.306105] ? check_preemption_disabled+0x48/0x200 [ 171.311142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.316710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 171.321560] apic_timer_interrupt+0xf/0x20 [ 171.325788] [ 171.328030] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 171.332957] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 171.351856] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 171.359565] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 171.366834] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 171.374116] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 171.381421] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 171.388685] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 171.396037] skb_clone+0x1bb/0x500 [ 171.399603] ? finish_task_switch+0x1b5/0x900 [ 171.404102] ? skb_split+0x11e0/0x11e0 [ 171.407995] ? preempt_notifier_register+0x200/0x200 [ 171.413101] ? __switch_to_asm+0x34/0x70 [ 171.417166] ? __switch_to_asm+0x34/0x70 [ 171.421244] ? __switch_to_asm+0x40/0x70 [ 171.425303] ? __switch_to_asm+0x34/0x70 [ 171.429362] ? __switch_to_asm+0x40/0x70 [ 171.433425] ? __switch_to_asm+0x34/0x70 [ 171.437491] ? __switch_to_asm+0x40/0x70 [ 171.441551] ? __switch_to_asm+0x34/0x70 [ 171.445614] ? __switch_to_asm+0x34/0x70 [ 171.449672] ? __switch_to_asm+0x40/0x70 [ 171.453730] ? __switch_to_asm+0x34/0x70 [ 171.457801] bpf_clone_redirect+0xb9/0x490 [ 171.462040] ? __schedule+0x874/0x1ed0 [ 171.465933] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 171.470960] ? __sched_text_start+0x8/0x8 [ 171.475119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 171.479885] ? find_held_lock+0x36/0x1c0 [ 171.483954] ? lock_acquire+0x1ed/0x520 [ 171.487933] ? bpf_test_run+0x32e/0x5a0 [ 171.491908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.497446] ? check_preemption_disabled+0x48/0x200 [ 171.502471] ? kasan_check_read+0x11/0x20 [ 171.506780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 171.512050] ? rcu_bh_qs+0xc0/0xc0 [ 171.515595] ? preempt_schedule+0x4d/0x60 [ 171.519746] ? ___preempt_schedule+0x16/0x18 [ 171.524162] ? bpf_test_run+0x1c0/0x5a0 [ 171.528147] ? netlink_diag_dump+0x2a0/0x2a0 [ 171.532564] ? bpf_prog_test_run_skb+0x295/0xb40 [ 171.537331] ? bpf_prog_test_run_skb+0x634/0xb40 [ 171.542095] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 171.546940] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 171.552506] ? fput+0x130/0x1a0 [ 171.555790] ? __bpf_prog_get+0x9b/0x290 [ 171.559855] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 171.564700] ? bpf_prog_test_run+0x130/0x1a0 [ 171.569115] ? __x64_sys_bpf+0x3d8/0x510 [ 171.573177] ? bpf_prog_get+0x20/0x20 [ 171.577003] ? do_syscall_64+0x1b9/0x820 [ 171.581071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 171.586438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 171.591367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 171.596216] ? trace_hardirqs_off+0x300/0x300 [ 171.600721] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 171.605740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.611283] ? prepare_exit_to_usermode+0x291/0x3b0 [ 171.616309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 171.621164] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.626549] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 171.626630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 171.633760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.633766] Call Trace: [ 171.633773] [ 171.633790] dump_stack+0x1c4/0x2b4 [ 171.633812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 171.640376] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 171.649651] warn_alloc.cold.118+0xb7/0x1bd [ 171.652203] syz-executor3 cpuset=syz3 [ 171.654375] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 171.658001] mems_allowed=0 [ 171.663207] ? lock_downgrade+0x900/0x900 [ 171.693688] ? trace_hardirqs_off+0xb8/0x300 [ 171.698107] ? trace_hardirqs_off+0xb8/0x300 [ 171.702527] __alloc_pages_slowpath+0x2667/0x2d80 [ 171.707407] ? warn_alloc+0x120/0x120 [ 171.711240] ? warn_alloc+0x120/0x120 [ 171.715112] ? print_usage_bug+0xc0/0xc0 [ 171.719192] ? warn_alloc+0x120/0x120 [ 171.723007] ? print_usage_bug+0xc0/0xc0 [ 171.727087] ? __lock_acquire+0x7ec/0x4ec0 [ 171.731322] ? __lock_acquire+0x7ec/0x4ec0 [ 171.735563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 171.741104] ? should_fail+0x22d/0xd01 [ 171.745016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.750134] ? __lock_acquire+0x7ec/0x4ec0 [ 171.754379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 171.759481] ? __lock_acquire+0x7ec/0x4ec0 [ 171.763720] ? should_fail+0x22d/0xd01 [ 171.767621] ? mark_held_locks+0x130/0x130 [ 171.771866] ? mark_held_locks+0x130/0x130 [ 171.776104] ? graph_lock+0x170/0x170 [ 171.779907] ? graph_lock+0x170/0x170 [ 171.783712] ? graph_lock+0x170/0x170 [ 171.787510] ? print_usage_bug+0xc0/0xc0 [ 171.791572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.797113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.802650] ? check_preemption_disabled+0x48/0x200 [ 171.807665] ? check_preemption_disabled+0x48/0x200 [ 171.812695] ? __lock_is_held+0xb5/0x140 [ 171.816765] __alloc_pages_nodemask+0xa80/0xde0 [ 171.821437] ? graph_lock+0x170/0x170 [ 171.825267] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 171.830280] ? graph_lock+0x170/0x170 [ 171.834096] ? find_held_lock+0x36/0x1c0 [ 171.838178] ? ____cache_alloc_node+0x1c7/0x1e0 [ 171.842854] ? lock_downgrade+0x900/0x900 [ 171.847019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.852562] cache_grow_begin+0x91/0x8c0 [ 171.856630] ? do_raw_spin_unlock+0xa7/0x2f0 [ 171.861057] fallback_alloc+0x203/0x2e0 [ 171.865037] ____cache_alloc_node+0x1c7/0x1e0 [ 171.869552] kmem_cache_alloc_node+0xe3/0x730 [ 171.874076] ? ipv6_get_ifaddr+0x42e/0x620 [ 171.878345] __alloc_skb+0x119/0x770 [ 171.882059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 171.887340] ? skb_scrub_packet+0x490/0x490 [ 171.891660] ? lock_downgrade+0x900/0x900 [ 171.895821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 171.901360] ? refcount_sub_and_test_checked+0x203/0x310 [ 171.906832] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 171.912287] ? addrconf_rs_timer+0x6f0/0x6f0 [ 171.916709] ndisc_alloc_skb+0x144/0x340 [ 171.920776] ndisc_send_rs+0x331/0x6e0 [ 171.924683] addrconf_rs_timer+0x3c0/0x6f0 [ 171.928928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.933213] call_timer_fn+0x272/0x920 [ 171.937108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.941348] ? process_timeout+0x40/0x40 [ 171.945406] ? find_held_lock+0x36/0x1c0 [ 171.949481] ? __run_timers+0x7da/0xc70 [ 171.953457] ? _raw_spin_unlock_irq+0x27/0x80 [ 171.957952] ? _raw_spin_unlock_irq+0x27/0x80 [ 171.962455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.966689] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 171.971287] ? trace_hardirqs_on+0xbd/0x310 [ 171.975608] ? kasan_check_read+0x11/0x20 [ 171.979760] ? __run_timers+0x7da/0xc70 [ 171.983735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 171.989188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.993440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 171.997676] __run_timers+0x7e5/0xc70 [ 172.001492] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 172.006864] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 172.011879] ? graph_lock+0x170/0x170 [ 172.015699] ? enqueue_hrtimer+0x1a5/0x560 [ 172.019941] ? lock_release+0x970/0x970 [ 172.023917] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 172.029117] ? find_held_lock+0x36/0x1c0 [ 172.033195] ? graph_lock+0x170/0x170 [ 172.037094] ? pvclock_read_flags+0x160/0x160 [ 172.041588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.047137] ? check_preemption_disabled+0x48/0x200 [ 172.052215] ? __lock_is_held+0xb5/0x140 [ 172.056301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.061839] ? check_preemption_disabled+0x48/0x200 [ 172.066880] run_timer_softirq+0x52/0xb0 [ 172.070944] ? rcu_read_lock_sched_held+0x108/0x120 [ 172.075973] __do_softirq+0x30b/0xad8 [ 172.079794] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 172.084904] ? pvclock_read_flags+0x160/0x160 [ 172.089402] ? lapic_next_event+0x5a/0x90 [ 172.093557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.099094] ? check_preemption_disabled+0x48/0x200 [ 172.104109] ? check_preemption_disabled+0x48/0x200 [ 172.109131] ? kvm_clock_read+0x18/0x30 [ 172.113119] ? kvm_sched_clock_read+0x9/0x20 [ 172.117545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.123084] ? check_preemption_disabled+0x48/0x200 [ 172.128113] irq_exit+0x17f/0x1c0 [ 172.131571] smp_apic_timer_interrupt+0x1cb/0x760 [ 172.136418] ? smp_reschedule_interrupt+0x109/0x650 [ 172.141437] ? smp_call_function_single_interrupt+0x650/0x650 [ 172.147328] ? interrupt_entry+0xb5/0xf0 [ 172.151395] ? trace_hardirqs_off_caller+0xbb/0x300 [ 172.156416] ? trace_hardirqs_off_caller+0xbb/0x300 [ 172.161434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.166285] ? trace_hardirqs_off+0x300/0x300 [ 172.170781] ? trace_hardirqs_off+0x300/0x300 [ 172.175287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.180821] ? check_preemption_disabled+0x48/0x200 [ 172.185836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.191386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.196249] apic_timer_interrupt+0xf/0x20 [ 172.200531] [ 172.202780] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 172.207711] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 172.226623] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 172.234360] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 172.241628] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 172.248894] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 172.256173] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 172.263445] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 172.270757] skb_clone+0x1bb/0x500 [ 172.274302] ? finish_task_switch+0x664/0x900 [ 172.278804] ? skb_split+0x11e0/0x11e0 [ 172.282692] ? preempt_notifier_register+0x200/0x200 [ 172.287799] ? __switch_to_asm+0x34/0x70 [ 172.291862] ? __switch_to_asm+0x34/0x70 [ 172.295920] ? __switch_to_asm+0x40/0x70 [ 172.299982] ? __switch_to_asm+0x34/0x70 [ 172.304045] ? __switch_to_asm+0x40/0x70 [ 172.308114] ? __switch_to_asm+0x34/0x70 [ 172.312173] ? __switch_to_asm+0x40/0x70 [ 172.316256] ? __switch_to_asm+0x34/0x70 [ 172.320315] ? __switch_to_asm+0x34/0x70 [ 172.324374] ? __switch_to_asm+0x40/0x70 [ 172.328438] ? __switch_to_asm+0x34/0x70 [ 172.332513] bpf_clone_redirect+0xb9/0x490 [ 172.336753] ? __schedule+0x874/0x1ed0 [ 172.340650] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 172.345670] ? __sched_text_start+0x8/0x8 [ 172.349819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.354587] ? find_held_lock+0x36/0x1c0 [ 172.358661] ? lock_acquire+0x1ed/0x520 [ 172.362649] ? bpf_test_run+0x32e/0x5a0 [ 172.366625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.372165] ? check_preemption_disabled+0x48/0x200 [ 172.377208] ? kasan_check_read+0x11/0x20 [ 172.381368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 172.386648] ? rcu_bh_qs+0xc0/0xc0 [ 172.390189] ? preempt_schedule+0x4d/0x60 [ 172.394345] ? ___preempt_schedule+0x16/0x18 [ 172.398765] ? bpf_test_run+0x1c0/0x5a0 [ 172.403035] ? netlink_diag_dump+0x2a0/0x2a0 [ 172.407450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 172.412996] ? bpf_test_init.isra.9+0x70/0x100 [ 172.417585] ? bpf_prog_test_run_skb+0x634/0xb40 [ 172.422358] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 172.427201] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 172.432747] ? fput+0x130/0x1a0 [ 172.436032] ? __bpf_prog_get+0x9b/0x290 [ 172.440094] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 172.444935] ? bpf_prog_test_run+0x130/0x1a0 [ 172.449351] ? __x64_sys_bpf+0x3d8/0x510 [ 172.453426] ? bpf_prog_get+0x20/0x20 [ 172.457260] ? ksys_ioctl+0x81/0xd0 [ 172.460900] ? do_syscall_64+0x1b9/0x820 [ 172.464966] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 172.470347] ? syscall_return_slowpath+0x5e0/0x5e0 [ 172.475280] ? trace_hardirqs_off+0x300/0x300 [ 172.479778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 172.484800] ? recalc_sigpending_tsk+0x180/0x180 [ 172.489559] ? kasan_check_write+0x14/0x20 [ 172.493801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 172.498669] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.504048] warn_alloc_show_mem: 1 callbacks suppressed [ 172.504060] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 172.504062] Mem-Info: [ 172.504094] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 172.504094] active_file:17 inactive_file:11 isolated_file:5 [ 172.504094] unevictable:0 dirty:0 writeback:0 unstable:0 [ 172.504094] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 172.504094] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 172.504094] free:13528 free_pcp:440 free_cma:0 [ 172.509440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.516665] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 172.519066] Call Trace: [ 172.551944] Node 0 [ 172.561300] [ 172.589087] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 172.591671] dump_stack+0x1c4/0x2b4 [ 172.593874] lowmem_reserve[]: 0 [ 172.596029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 172.621509] 2815 6318 [ 172.625168] warn_alloc.cold.118+0xb7/0x1bd [ 172.628410] 6318 [ 172.633606] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 172.636083] Node 0 [ 172.640398] ? lock_downgrade+0x900/0x900 [ 172.642462] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 172.647281] ? trace_hardirqs_off+0xb8/0x300 [ 172.649492] lowmem_reserve[]: [ 172.653638] ? trace_hardirqs_off+0xb8/0x300 [ 172.680766] 0 0 [ 172.685208] __alloc_pages_slowpath+0x2667/0x2d80 [ 172.688268] 3503 [ 172.692697] ? warn_alloc+0x120/0x120 [ 172.694618] 3503 [ 172.699465] ? trace_hardirqs_on+0x310/0x310 [ 172.701503] Node 0 [ 172.705296] ? warn_alloc+0x120/0x120 [ 172.707364] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 172.711744] ? print_usage_bug+0xc0/0xc0 [ 172.713947] lowmem_reserve[]: 0 [ 172.717757] ? warn_alloc+0x120/0x120 [ 172.746198] 0 [ 172.750274] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 172.753528] 0 [ 172.757334] ? print_usage_bug+0xc0/0xc0 [ 172.759116] 0 [ 172.764129] ? __lock_acquire+0x7ec/0x4ec0 [ 172.769969] ? __lock_acquire+0x7ec/0x4ec0 [ 172.771757] Node 0 [ 172.775990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 172.780196] DMA: 1*4kB [ 172.782462] ? should_fail+0x22d/0xd01 [ 172.788000] (U) [ 172.790582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.794442] 0*8kB 0*16kB [ 172.796429] ? __lock_acquire+0x7ec/0x4ec0 [ 172.801507] 1*32kB [ 172.804259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 172.808477] (U) [ 172.810714] ? __lock_acquire+0x7ec/0x4ec0 [ 172.815787] 2*64kB (U) [ 172.817767] ? should_fail+0x22d/0xd01 [ 172.821998] 1*128kB (U) [ 172.824582] ? print_usage_bug+0xc0/0xc0 [ 172.828446] 1*256kB [ 172.831118] ? mark_held_locks+0x130/0x130 [ 172.835168] (U) 0*512kB [ 172.837514] ? mark_held_locks+0x130/0x130 [ 172.841733] 1*1024kB [ 172.844406] ? graph_lock+0x170/0x170 [ 172.848608] (U) 1*2048kB [ 172.851025] ? print_usage_bug+0xc0/0xc0 [ 172.854801] (M) [ 172.857556] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 172.861593] 3*4096kB [ 172.863566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.868301] (M) [ 172.870708] ? check_preemption_disabled+0x48/0x200 [ 172.876213] = 15908kB [ 172.876222] Node 0 [ 172.878206] ? check_preemption_disabled+0x48/0x200 [ 172.883193] DMA32: [ 172.885614] ? __lock_is_held+0xb5/0x140 [ 172.887820] 4*4kB [ 172.892832] __alloc_pages_nodemask+0xa80/0xde0 [ 172.895045] (UM) [ 172.899100] ? graph_lock+0x170/0x170 [ 172.901232] 3*8kB [ 172.905894] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 172.907934] (UM) [ 172.911731] ? graph_lock+0x170/0x170 [ 172.913864] 1*16kB [ 172.918890] ? find_held_lock+0x36/0x1c0 [ 172.920934] (M) [ 172.924738] ? ____cache_alloc_node+0x1c7/0x1e0 [ 172.926944] 2*32kB (UM) [ 172.931025] ? lock_downgrade+0x900/0x900 [ 172.932999] 3*64kB [ 172.937666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.940309] (UM) [ 172.944452] cache_grow_begin+0x91/0x8c0 [ 172.946664] 4*128kB [ 172.952209] ? do_raw_spin_unlock+0xa7/0x2f0 [ 172.954238] (UM) [ 172.958299] fallback_alloc+0x203/0x2e0 [ 172.960599] 2*256kB [ 172.965007] ____cache_alloc_node+0x1c7/0x1e0 [ 172.967047] (M) [ 172.971016] kmem_cache_alloc_node+0xe3/0x730 [ 172.973326] 4*512kB [ 172.977818] ? ipv6_get_ifaddr+0x42e/0x620 [ 172.979775] (UM) [ 172.984280] __alloc_skb+0x119/0x770 [ 172.986579] 3*1024kB [ 172.990808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 172.992844] (M) [ 172.996550] ? skb_scrub_packet+0x490/0x490 [ 172.998941] 1*2048kB [ 173.004220] ? lock_downgrade+0x900/0x900 [ 173.006173] (M) [ 173.010502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.012876] 4*4096kB (M) [ 173.017029] ? refcount_sub_and_test_checked+0x203/0x310 [ 173.018984] = 24888kB [ 173.024511] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 173.027249] Node 0 [ 173.032695] ? addrconf_rs_timer+0x6f0/0x6f0 [ 173.035080] Normal: [ 173.040540] ndisc_alloc_skb+0x144/0x340 [ 173.042752] 1035*4kB [ 173.047155] ndisc_send_rs+0x331/0x6e0 [ 173.049451] (MEH) 457*8kB [ 173.053529] addrconf_rs_timer+0x3c0/0x6f0 [ 173.055915] (UMEH) [ 173.059797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.062620] 163*16kB [ 173.066862] call_timer_fn+0x272/0x920 [ 173.069081] (MEH) [ 173.073311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.075702] 58*32kB [ 173.079586] ? process_timeout+0x40/0x40 [ 173.081711] (UMEH) [ 173.085942] ? find_held_lock+0x36/0x1c0 [ 173.088249] 13*64kB [ 173.092323] ? __run_timers+0x7da/0xc70 [ 173.094532] (UMH) [ 173.098614] ? _raw_spin_unlock_irq+0x27/0x80 [ 173.100928] 2*128kB [ 173.104895] ? _raw_spin_unlock_irq+0x27/0x80 [ 173.107021] (H) [ 173.111514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.113811] 0*256kB 0*512kB [ 173.118313] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 173.120280] 0*1024kB [ 173.124518] ? trace_hardirqs_on+0xbd/0x310 [ 173.127518] 0*2048kB [ 173.132086] ? kasan_check_read+0x11/0x20 [ 173.132105] ? __run_timers+0x7da/0xc70 [ 173.134498] 0*4096kB = 13348kB [ 173.138828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.141228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 173.145379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.149336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 173.152518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 173.157947] 412 total pagecache pages [ 173.166777] __run_timers+0x7e5/0xc70 [ 173.171010] 0 pages in swap cache [ 173.179586] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 173.183793] Swap cache stats: add 0, delete 0, find 0/0 [ 173.183803] Free swap = 0kB [ 173.187601] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 173.191376] Total swap = 0kB [ 173.194827] ? graph_lock+0x170/0x170 [ 173.200169] 1965979 pages RAM [ 173.205525] ? enqueue_hrtimer+0x1a5/0x560 [ 173.208514] 0 pages HighMem/MovableOnly [ 173.208523] 343323 pages reserved [ 173.213527] ? lock_release+0x970/0x970 [ 173.213544] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 173.216545] 0 pages cma reserved [ 173.220364] ? find_held_lock+0x36/0x1c0 [ 173.223505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 173.227674] ? graph_lock+0x170/0x170 [ 173.227690] ? pvclock_read_flags+0x160/0x160 [ 173.227711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.231736] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 173.235112] ? check_preemption_disabled+0x48/0x200 [ 173.239067] syz-executor3 cpuset= [ 173.244271] ? __lock_is_held+0xb5/0x140 [ 173.247608] syz3 [ 173.251667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.258142] mems_allowed=0 [ 173.261934] ? check_preemption_disabled+0x48/0x200 [ 173.310353] run_timer_softirq+0x52/0xb0 [ 173.314437] ? rcu_read_lock_sched_held+0x108/0x120 [ 173.319453] __do_softirq+0x30b/0xad8 [ 173.323294] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 173.328424] ? pvclock_read_flags+0x160/0x160 [ 173.332918] ? lapic_next_event+0x5a/0x90 [ 173.337108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.342642] ? check_preemption_disabled+0x48/0x200 [ 173.347655] ? check_preemption_disabled+0x48/0x200 [ 173.352680] ? kvm_clock_read+0x18/0x30 [ 173.356655] ? kvm_sched_clock_read+0x9/0x20 [ 173.361067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.366603] ? check_preemption_disabled+0x48/0x200 [ 173.371633] irq_exit+0x17f/0x1c0 [ 173.375092] smp_apic_timer_interrupt+0x1cb/0x760 [ 173.379938] ? smp_reschedule_interrupt+0x109/0x650 [ 173.384957] ? smp_call_function_single_interrupt+0x650/0x650 [ 173.390845] ? interrupt_entry+0xb5/0xf0 [ 173.394909] ? trace_hardirqs_off_caller+0xbb/0x300 [ 173.399946] ? trace_hardirqs_off_caller+0xbb/0x300 [ 173.404960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.409807] ? trace_hardirqs_off+0x300/0x300 [ 173.414312] ? trace_hardirqs_off+0x300/0x300 [ 173.418812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.424351] ? check_preemption_disabled+0x48/0x200 [ 173.429369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.434925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.439790] apic_timer_interrupt+0xf/0x20 [ 173.444018] [ 173.446261] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 173.451196] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 173.470095] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 173.477808] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 173.485075] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 173.492343] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 173.499615] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 173.507082] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 173.514400] skb_clone+0x1bb/0x500 [ 173.517958] ? finish_task_switch+0x1b5/0x900 [ 173.522454] ? skb_split+0x11e0/0x11e0 [ 173.526348] ? preempt_notifier_register+0x200/0x200 [ 173.531452] ? __switch_to_asm+0x34/0x70 [ 173.535523] ? __switch_to_asm+0x34/0x70 [ 173.539588] ? __switch_to_asm+0x40/0x70 [ 173.543649] ? __switch_to_asm+0x34/0x70 [ 173.547708] ? __switch_to_asm+0x40/0x70 [ 173.551772] ? __switch_to_asm+0x34/0x70 [ 173.555835] ? __switch_to_asm+0x40/0x70 [ 173.559892] ? __switch_to_asm+0x34/0x70 [ 173.563964] ? __switch_to_asm+0x34/0x70 [ 173.568033] ? __switch_to_asm+0x40/0x70 [ 173.572094] ? __switch_to_asm+0x34/0x70 [ 173.576169] bpf_clone_redirect+0xb9/0x490 [ 173.580408] ? __schedule+0x874/0x1ed0 [ 173.584306] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 173.589328] ? __sched_text_start+0x8/0x8 [ 173.593496] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 173.598258] ? find_held_lock+0x36/0x1c0 [ 173.602328] ? lock_acquire+0x1ed/0x520 [ 173.606302] ? bpf_test_run+0x32e/0x5a0 [ 173.610283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.615822] ? check_preemption_disabled+0x48/0x200 [ 173.620844] ? kasan_check_read+0x11/0x20 [ 173.624995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 173.630273] ? rcu_bh_qs+0xc0/0xc0 [ 173.633815] ? preempt_schedule+0x4d/0x60 [ 173.637967] ? ___preempt_schedule+0x16/0x18 [ 173.642413] ? bpf_test_run+0x1c0/0x5a0 [ 173.646402] ? netlink_diag_dump+0x2a0/0x2a0 [ 173.650815] ? bpf_prog_test_run_skb+0x295/0xb40 [ 173.655580] ? bpf_prog_test_run_skb+0x634/0xb40 [ 173.660344] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 173.665185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 173.670726] ? fput+0x130/0x1a0 [ 173.674006] ? __bpf_prog_get+0x9b/0x290 [ 173.678069] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 173.682913] ? bpf_prog_test_run+0x130/0x1a0 [ 173.687338] ? __x64_sys_bpf+0x3d8/0x510 [ 173.691399] ? bpf_prog_get+0x20/0x20 [ 173.695223] ? do_syscall_64+0x1b9/0x820 [ 173.699286] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 173.704655] ? syscall_return_slowpath+0x5e0/0x5e0 [ 173.709582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.714427] ? trace_hardirqs_off+0x300/0x300 [ 173.718925] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 173.723943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.729493] ? prepare_exit_to_usermode+0x291/0x3b0 [ 173.734527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.739387] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.744777] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 173.744845] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 173.751983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.751989] Call Trace: [ 173.751996] [ 173.752015] dump_stack+0x1c4/0x2b4 [ 173.752033] ? dump_stack_print_info.cold.2+0x52/0x52 [ 173.758614] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 173.767883] warn_alloc.cold.118+0xb7/0x1bd [ 173.770437] syz-executor3 cpuset= [ 173.772586] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 173.776190] syz3 [ 173.781384] ? lock_downgrade+0x900/0x900 [ 173.791840] mems_allowed=0 [ 173.813464] ? trace_hardirqs_off+0xb8/0x300 [ 173.817882] ? trace_hardirqs_off+0xb8/0x300 [ 173.822304] __alloc_pages_slowpath+0x2667/0x2d80 [ 173.827182] ? warn_alloc+0x120/0x120 [ 173.831003] ? warn_alloc+0x120/0x120 [ 173.834809] ? print_usage_bug+0xc0/0xc0 [ 173.838872] ? warn_alloc+0x120/0x120 [ 173.842676] ? print_usage_bug+0xc0/0xc0 [ 173.846739] ? __lock_acquire+0x7ec/0x4ec0 [ 173.850996] ? __lock_acquire+0x7ec/0x4ec0 [ 173.855265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 173.860813] ? should_fail+0x22d/0xd01 [ 173.864700] ? __lock_acquire+0x7ec/0x4ec0 [ 173.868941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.874046] ? __lock_acquire+0x7ec/0x4ec0 [ 173.878293] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 173.883395] ? __lock_acquire+0x7ec/0x4ec0 [ 173.887639] ? should_fail+0x22d/0xd01 [ 173.891563] ? mark_held_locks+0x130/0x130 [ 173.895803] ? mark_held_locks+0x130/0x130 [ 173.900042] ? graph_lock+0x170/0x170 [ 173.903856] ? print_usage_bug+0xc0/0xc0 [ 173.907915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.913456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.919080] ? check_preemption_disabled+0x48/0x200 [ 173.924092] ? check_preemption_disabled+0x48/0x200 [ 173.929133] ? __lock_is_held+0xb5/0x140 [ 173.933210] __alloc_pages_nodemask+0xa80/0xde0 [ 173.937881] ? graph_lock+0x170/0x170 [ 173.941691] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 173.946706] ? graph_lock+0x170/0x170 [ 173.950520] ? find_held_lock+0x36/0x1c0 [ 173.954594] ? ____cache_alloc_node+0x1c7/0x1e0 [ 173.959265] ? lock_downgrade+0x900/0x900 [ 173.963426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.968973] cache_grow_begin+0x91/0x8c0 [ 173.973042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 173.977513] fallback_alloc+0x203/0x2e0 [ 173.981497] ____cache_alloc_node+0x1c7/0x1e0 [ 173.986006] kmem_cache_alloc_node+0xe3/0x730 [ 173.990501] ? ipv6_get_ifaddr+0x42e/0x620 [ 173.994748] __alloc_skb+0x119/0x770 [ 173.998480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 174.003773] ? skb_scrub_packet+0x490/0x490 [ 174.008097] ? lock_downgrade+0x900/0x900 [ 174.012253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.017797] ? refcount_sub_and_test_checked+0x203/0x310 [ 174.023251] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 174.028708] ? addrconf_rs_timer+0x6f0/0x6f0 [ 174.033134] ndisc_alloc_skb+0x144/0x340 [ 174.037208] ndisc_send_rs+0x331/0x6e0 [ 174.041106] addrconf_rs_timer+0x3c0/0x6f0 [ 174.045346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.049595] call_timer_fn+0x272/0x920 [ 174.053484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.057726] ? process_timeout+0x40/0x40 [ 174.061797] ? find_held_lock+0x36/0x1c0 [ 174.066043] ? __run_timers+0x7da/0xc70 [ 174.070037] ? _raw_spin_unlock_irq+0x27/0x80 [ 174.074547] ? _raw_spin_unlock_irq+0x27/0x80 [ 174.079058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.083308] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 174.087903] ? trace_hardirqs_on+0xbd/0x310 [ 174.092239] ? kasan_check_read+0x11/0x20 [ 174.096396] ? __run_timers+0x7da/0xc70 [ 174.100375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 174.105849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 174.110094] __run_timers+0x7e5/0xc70 [ 174.113915] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 174.119288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 174.124318] ? graph_lock+0x170/0x170 [ 174.128132] ? enqueue_hrtimer+0x1a5/0x560 [ 174.132490] ? lock_release+0x970/0x970 [ 174.136479] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 174.141688] ? find_held_lock+0x36/0x1c0 [ 174.145765] ? graph_lock+0x170/0x170 [ 174.149575] ? pvclock_read_flags+0x160/0x160 [ 174.154076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.159617] ? check_preemption_disabled+0x48/0x200 [ 174.164657] ? __lock_is_held+0xb5/0x140 [ 174.168734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.174273] ? check_preemption_disabled+0x48/0x200 [ 174.179307] run_timer_softirq+0x52/0xb0 [ 174.183376] ? rcu_read_lock_sched_held+0x108/0x120 [ 174.188404] __do_softirq+0x30b/0xad8 [ 174.192260] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 174.197378] ? pvclock_read_flags+0x160/0x160 [ 174.201876] ? lapic_next_event+0x5a/0x90 [ 174.206032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.211580] ? check_preemption_disabled+0x48/0x200 [ 174.216601] ? check_preemption_disabled+0x48/0x200 [ 174.221628] ? kvm_clock_read+0x18/0x30 [ 174.225635] ? kvm_sched_clock_read+0x9/0x20 [ 174.230057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.235599] ? check_preemption_disabled+0x48/0x200 [ 174.240633] irq_exit+0x17f/0x1c0 [ 174.244099] smp_apic_timer_interrupt+0x1cb/0x760 [ 174.248957] ? smp_reschedule_interrupt+0x109/0x650 [ 174.253996] ? smp_call_function_single_interrupt+0x650/0x650 [ 174.259885] ? interrupt_entry+0xb5/0xf0 [ 174.263955] ? trace_hardirqs_off_caller+0xbb/0x300 [ 174.268975] ? trace_hardirqs_off_caller+0xbb/0x300 [ 174.274005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.278853] ? trace_hardirqs_off+0x300/0x300 [ 174.283350] ? trace_hardirqs_off+0x300/0x300 [ 174.287849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.293391] ? check_preemption_disabled+0x48/0x200 [ 174.298406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.303952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.308813] apic_timer_interrupt+0xf/0x20 [ 174.313041] [ 174.315280] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 174.320221] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 174.339130] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 174.346843] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 174.354111] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 174.361377] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 174.368644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 174.375909] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 174.383235] skb_clone+0x1bb/0x500 [ 174.386788] ? finish_task_switch+0x664/0x900 [ 174.391286] ? skb_split+0x11e0/0x11e0 [ 174.395180] ? preempt_notifier_register+0x200/0x200 [ 174.400493] ? __switch_to_asm+0x34/0x70 [ 174.404561] ? __switch_to_asm+0x34/0x70 [ 174.408623] ? __switch_to_asm+0x40/0x70 [ 174.412682] ? __switch_to_asm+0x34/0x70 [ 174.416746] ? __switch_to_asm+0x40/0x70 [ 174.420803] ? __switch_to_asm+0x34/0x70 [ 174.424863] ? __switch_to_asm+0x40/0x70 [ 174.428924] ? __switch_to_asm+0x34/0x70 [ 174.432990] ? __switch_to_asm+0x34/0x70 [ 174.437049] ? __switch_to_asm+0x40/0x70 [ 174.441107] ? __switch_to_asm+0x34/0x70 [ 174.445210] bpf_clone_redirect+0xb9/0x490 [ 174.449450] ? __schedule+0x874/0x1ed0 [ 174.453349] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 174.458368] ? __sched_text_start+0x8/0x8 [ 174.462516] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.467286] ? find_held_lock+0x36/0x1c0 [ 174.471356] ? lock_acquire+0x1ed/0x520 [ 174.475332] ? bpf_test_run+0x32e/0x5a0 [ 174.479311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.484847] ? check_preemption_disabled+0x48/0x200 [ 174.489896] ? kasan_check_read+0x11/0x20 [ 174.494057] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 174.499332] ? rcu_bh_qs+0xc0/0xc0 [ 174.502877] ? preempt_schedule+0x4d/0x60 [ 174.507038] ? ___preempt_schedule+0x16/0x18 [ 174.511468] ? bpf_test_run+0x1c0/0x5a0 [ 174.515468] ? netlink_diag_dump+0x2a0/0x2a0 [ 174.519885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 174.525424] ? bpf_test_init.isra.9+0x70/0x100 [ 174.530018] ? bpf_prog_test_run_skb+0x634/0xb40 [ 174.534879] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 174.539726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 174.545402] ? fput+0x130/0x1a0 [ 174.548691] ? __bpf_prog_get+0x9b/0x290 [ 174.552769] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 174.557623] ? bpf_prog_test_run+0x130/0x1a0 [ 174.562035] ? __x64_sys_bpf+0x3d8/0x510 [ 174.566094] ? bpf_prog_get+0x20/0x20 [ 174.569902] ? ksys_ioctl+0x81/0xd0 [ 174.573538] ? do_syscall_64+0x1b9/0x820 [ 174.577610] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 174.582974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 174.587912] ? trace_hardirqs_off+0x300/0x300 [ 174.592408] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 174.597434] ? recalc_sigpending_tsk+0x180/0x180 [ 174.602188] ? kasan_check_write+0x14/0x20 [ 174.606430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 174.611279] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.616656] warn_alloc_show_mem: 1 callbacks suppressed [ 174.616667] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 174.616669] Mem-Info: [ 174.616700] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 174.616700] active_file:17 inactive_file:11 isolated_file:5 [ 174.616700] unevictable:0 dirty:0 writeback:0 unstable:0 [ 174.616700] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 174.616700] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 174.616700] free:13528 free_pcp:440 free_cma:0 [ 174.622036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.622045] Call Trace: [ 174.629243] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 174.631637] [ 174.664503] Node 0 [ 174.673858] dump_stack+0x1c4/0x2b4 [ 174.676443] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 174.704187] ? dump_stack_print_info.cold.2+0x52/0x52 [ 174.706317] lowmem_reserve[]: [ 174.708581] warn_alloc.cold.118+0xb7/0x1bd [ 174.712177] 0 [ 174.737682] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 174.742845] 2815 [ 174.745949] ? lock_downgrade+0x900/0x900 [ 174.750261] 6318 [ 174.752062] ? trace_hardirqs_off+0xb8/0x300 [ 174.756875] 6318 [ 174.758938] ? trace_hardirqs_off+0xb8/0x300 [ 174.765161] __alloc_pages_slowpath+0x2667/0x2d80 [ 174.769542] Node 0 [ 174.771637] ? warn_alloc+0x120/0x120 [ 174.776027] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 174.780840] ? warn_alloc+0x120/0x120 [ 174.783040] lowmem_reserve[]: 0 [ 174.786869] ? print_usage_bug+0xc0/0xc0 [ 174.814011] 0 3503 [ 174.817824] ? warn_alloc+0x120/0x120 [ 174.821077] 3503 [ 174.825132] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 174.831139] ? print_usage_bug+0xc0/0xc0 [ 174.833181] Node 0 [ 174.838197] ? __lock_acquire+0x7ec/0x4ec0 [ 174.842275] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 174.844487] ? __lock_acquire+0x7ec/0x4ec0 [ 174.848692] lowmem_reserve[]: [ 174.877142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 174.881358] 0 [ 174.884457] ? should_fail+0x22d/0xd01 [ 174.889972] 0 0 [ 174.891781] ? __lock_acquire+0x7ec/0x4ec0 [ 174.895638] 0 [ 174.897624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.901837] Node 0 [ 174.903637] ? __lock_acquire+0x7ec/0x4ec0 [ 174.908710] DMA: 1*4kB [ 174.910955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 174.915165] (U) [ 174.917746] ? __lock_acquire+0x7ec/0x4ec0 [ 174.922823] 0*8kB 0*16kB [ 174.924805] ? should_fail+0x22d/0xd01 [ 174.929010] 1*32kB (U) [ 174.931775] ? mark_held_locks+0x130/0x130 [ 174.935629] 2*64kB (U) [ 174.938227] ? mark_held_locks+0x130/0x130 [ 174.942438] 1*128kB [ 174.945019] ? graph_lock+0x170/0x170 [ 174.949231] (U) [ 174.951548] ? print_usage_bug+0xc0/0xc0 [ 174.955332] 1*256kB [ 174.957305] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.961341] (U) [ 174.963660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 174.968397] 0*512kB 1*1024kB [ 174.970377] ? check_preemption_disabled+0x48/0x200 [ 174.975890] (U) [ 174.978999] ? check_preemption_disabled+0x48/0x200 [ 174.983987] 1*2048kB (M) [ 174.985972] ? __lock_is_held+0xb5/0x140 [ 174.990961] 3*4096kB (M) [ 174.993729] __alloc_pages_nodemask+0xa80/0xde0 [ 174.997768] = 15908kB [ 175.000516] ? graph_lock+0x170/0x170 [ 175.005189] Node 0 [ 175.007620] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 175.011394] DMA32: [ 175.013633] ? graph_lock+0x170/0x170 [ 175.018627] 4*4kB [ 175.020863] ? find_held_lock+0x36/0x1c0 [ 175.024652] (UM) 3*8kB [ 175.026815] ? ____cache_alloc_node+0x1c7/0x1e0 [ 175.030850] (UM) [ 175.033433] ? lock_downgrade+0x900/0x900 [ 175.038078] 1*16kB [ 175.040137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.044253] (M) 2*32kB [ 175.046503] cache_grow_begin+0x91/0x8c0 [ 175.052011] (UM) [ 175.054608] ? do_raw_spin_unlock+0xa7/0x2f0 [ 175.058647] 3*64kB [ 175.060712] fallback_alloc+0x203/0x2e0 [ 175.065108] (UM) [ 175.067341] ____cache_alloc_node+0x1c7/0x1e0 [ 175.071303] 4*128kB [ 175.073367] kmem_cache_alloc_node+0xe3/0x730 [ 175.077838] (UM) [ 175.080161] ? ipv6_get_ifaddr+0x42e/0x620 [ 175.084652] 2*256kB [ 175.086726] __alloc_skb+0x119/0x770 [ 175.090935] (M) [ 175.093261] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 175.096946] 4*512kB (UM) [ 175.098926] ? skb_scrub_packet+0x490/0x490 [ 175.104183] 3*1024kB [ 175.106980] ? lock_downgrade+0x900/0x900 [ 175.111273] (M) 1*2048kB [ 175.113692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.117835] (M) [ 175.120593] ? refcount_sub_and_test_checked+0x203/0x310 [ 175.126106] 4*4096kB [ 175.128078] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 175.133499] (M) = 24888kB [ 175.135921] ? addrconf_rs_timer+0x6f0/0x6f0 [ 175.141344] Node 0 [ 175.144106] ndisc_alloc_skb+0x144/0x340 [ 175.148516] Normal: [ 175.150752] ndisc_send_rs+0x331/0x6e0 [ 175.154791] 1035*4kB [ 175.157116] addrconf_rs_timer+0x3c0/0x6f0 [ 175.161021] (MEH) [ 175.163429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.167642] 457*8kB [ 175.169794] call_timer_fn+0x272/0x920 [ 175.174013] (UMEH) [ 175.176344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.180205] 163*16kB (MEH) [ 175.182452] ? process_timeout+0x40/0x40 [ 175.186660] 58*32kB (UMEH) [ 175.189597] ? find_held_lock+0x36/0x1c0 [ 175.193642] 13*64kB (UMH) [ 175.196583] ? __run_timers+0x7da/0xc70 [ 175.200619] 2*128kB [ 175.203455] ? _raw_spin_unlock_irq+0x27/0x80 [ 175.207402] (H) [ 175.209725] ? _raw_spin_unlock_irq+0x27/0x80 [ 175.214200] 0*256kB [ 175.216176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.220650] 0*512kB [ 175.222966] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 175.227183] 0*1024kB [ 175.229525] ? trace_hardirqs_on+0xbd/0x310 [ 175.234080] 0*2048kB 0*4096kB [ 175.236494] ? kasan_check_read+0x11/0x20 [ 175.240785] = 13348kB [ 175.240800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 175.244001] ? __run_timers+0x7da/0xc70 [ 175.248130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 175.250531] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 175.259360] 412 total pagecache pages [ 175.263337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 175.271888] 0 pages in swap cache [ 175.277328] __run_timers+0x7e5/0xc70 [ 175.281131] Swap cache stats: add 0, delete 0, find 0/0 [ 175.281140] Free swap = 0kB [ 175.285380] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 175.288806] Total swap = 0kB [ 175.292601] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 175.297941] 1965979 pages RAM [ 175.300954] ? graph_lock+0x170/0x170 [ 175.306291] 0 pages HighMem/MovableOnly [ 175.306300] 343323 pages reserved [ 175.309310] ? enqueue_hrtimer+0x1a5/0x560 [ 175.314307] 0 pages cma reserved [ 175.317407] ? lock_release+0x970/0x970 [ 175.321264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 175.325170] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 175.328707] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 175.332851] ? find_held_lock+0x36/0x1c0 [ 175.336192] syz-executor3 cpuset= [ 175.340168] ? graph_lock+0x170/0x170 [ 175.346635] syz3 [ 175.351823] ? pvclock_read_flags+0x160/0x160 [ 175.362293] mems_allowed=0 [ 175.366354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.388473] ? check_preemption_disabled+0x48/0x200 [ 175.393513] ? __lock_is_held+0xb5/0x140 [ 175.397587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.403122] ? check_preemption_disabled+0x48/0x200 [ 175.408145] run_timer_softirq+0x52/0xb0 [ 175.412214] ? rcu_read_lock_sched_held+0x108/0x120 [ 175.417238] __do_softirq+0x30b/0xad8 [ 175.421052] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 175.426176] ? pvclock_read_flags+0x160/0x160 [ 175.430688] ? lapic_next_event+0x5a/0x90 [ 175.434851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.440410] ? check_preemption_disabled+0x48/0x200 [ 175.445423] ? check_preemption_disabled+0x48/0x200 [ 175.450448] ? kvm_clock_read+0x18/0x30 [ 175.454429] ? kvm_sched_clock_read+0x9/0x20 [ 175.458840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.464390] ? check_preemption_disabled+0x48/0x200 [ 175.469423] irq_exit+0x17f/0x1c0 [ 175.472890] smp_apic_timer_interrupt+0x1cb/0x760 [ 175.478008] ? smp_reschedule_interrupt+0x109/0x650 [ 175.483028] ? smp_call_function_single_interrupt+0x650/0x650 [ 175.488926] ? interrupt_entry+0xb5/0xf0 [ 175.492988] ? trace_hardirqs_off_caller+0xbb/0x300 [ 175.498010] ? trace_hardirqs_off_caller+0xbb/0x300 [ 175.503034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 175.508120] ? trace_hardirqs_off+0x300/0x300 [ 175.512613] ? trace_hardirqs_off+0x300/0x300 [ 175.517108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.522647] ? check_preemption_disabled+0x48/0x200 [ 175.527672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.533226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 175.538081] apic_timer_interrupt+0xf/0x20 [ 175.542309] [ 175.544552] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 175.549491] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 175.568390] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 175.576111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 175.583380] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 175.590645] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 175.597913] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 175.605181] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 175.612511] skb_clone+0x1bb/0x500 [ 175.616053] ? finish_task_switch+0x1b5/0x900 [ 175.620550] ? skb_split+0x11e0/0x11e0 [ 175.624439] ? preempt_notifier_register+0x200/0x200 [ 175.629545] ? __switch_to_asm+0x34/0x70 [ 175.633605] ? __switch_to_asm+0x34/0x70 [ 175.637665] ? __switch_to_asm+0x40/0x70 [ 175.641727] ? __switch_to_asm+0x34/0x70 [ 175.645787] ? __switch_to_asm+0x40/0x70 [ 175.649847] ? __switch_to_asm+0x34/0x70 [ 175.653910] ? __switch_to_asm+0x40/0x70 [ 175.657976] ? __switch_to_asm+0x34/0x70 [ 175.662038] ? __switch_to_asm+0x34/0x70 [ 175.666100] ? __switch_to_asm+0x40/0x70 [ 175.670161] ? __switch_to_asm+0x34/0x70 [ 175.674236] bpf_clone_redirect+0xb9/0x490 [ 175.678475] ? __schedule+0x874/0x1ed0 [ 175.682380] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 175.687408] ? __sched_text_start+0x8/0x8 [ 175.691566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.696334] ? find_held_lock+0x36/0x1c0 [ 175.700409] ? lock_acquire+0x1ed/0x520 [ 175.704384] ? bpf_test_run+0x32e/0x5a0 [ 175.708360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.713902] ? check_preemption_disabled+0x48/0x200 [ 175.718931] ? kasan_check_read+0x11/0x20 [ 175.723088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 175.728400] ? rcu_bh_qs+0xc0/0xc0 [ 175.731966] ? preempt_schedule+0x4d/0x60 [ 175.736135] ? ___preempt_schedule+0x16/0x18 [ 175.740555] ? bpf_test_run+0x1c0/0x5a0 [ 175.744543] ? netlink_diag_dump+0x2a0/0x2a0 [ 175.748956] ? bpf_prog_test_run_skb+0x295/0xb40 [ 175.753744] ? bpf_prog_test_run_skb+0x634/0xb40 [ 175.758516] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 175.763358] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 175.768896] ? fput+0x130/0x1a0 [ 175.772181] ? __bpf_prog_get+0x9b/0x290 [ 175.776256] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 175.781105] ? bpf_prog_test_run+0x130/0x1a0 [ 175.785530] ? __x64_sys_bpf+0x3d8/0x510 [ 175.789595] ? bpf_prog_get+0x20/0x20 [ 175.793416] ? do_syscall_64+0x1b9/0x820 [ 175.797484] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 175.802853] ? syscall_return_slowpath+0x5e0/0x5e0 [ 175.807795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 175.812639] ? trace_hardirqs_off+0x300/0x300 [ 175.817135] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 175.822150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 175.827689] ? prepare_exit_to_usermode+0x291/0x3b0 [ 175.832717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 175.837576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.842963] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 175.843037] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 175.850181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.850198] Call Trace: [ 175.850226] [ 175.850242] dump_stack+0x1c4/0x2b4 [ 175.850259] ? dump_stack_print_info.cold.2+0x52/0x52 [ 175.856812] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 175.866116] warn_alloc.cold.118+0xb7/0x1bd [ 175.868671] syz-executor3 cpuset= [ 175.870824] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 175.874423] syz3 [ 175.879607] ? lock_downgrade+0x900/0x900 [ 175.890070] mems_allowed=0 [ 175.894385] ? trace_hardirqs_off+0xb8/0x300 [ 175.916043] ? trace_hardirqs_off+0xb8/0x300 [ 175.920464] __alloc_pages_slowpath+0x2667/0x2d80 [ 175.925358] ? warn_alloc+0x120/0x120 [ 175.929162] ? trace_hardirqs_on+0x310/0x310 [ 175.933584] ? warn_alloc+0x120/0x120 [ 175.937403] ? print_usage_bug+0xc0/0xc0 [ 175.941464] ? warn_alloc+0x120/0x120 [ 175.945269] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 175.950287] ? print_usage_bug+0xc0/0xc0 [ 175.954355] ? __lock_acquire+0x7ec/0x4ec0 [ 175.958588] ? __lock_acquire+0x7ec/0x4ec0 [ 175.962830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 175.968380] ? should_fail+0x22d/0xd01 [ 175.972272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.977378] ? __lock_acquire+0x7ec/0x4ec0 [ 175.981618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 175.986721] ? __lock_acquire+0x7ec/0x4ec0 [ 175.990976] ? should_fail+0x22d/0xd01 [ 175.994906] ? print_usage_bug+0xc0/0xc0 [ 175.998997] ? mark_held_locks+0x130/0x130 [ 176.003241] ? mark_held_locks+0x130/0x130 [ 176.007490] ? graph_lock+0x170/0x170 [ 176.011293] ? print_usage_bug+0xc0/0xc0 [ 176.015355] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.020114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.025651] ? check_preemption_disabled+0x48/0x200 [ 176.030668] ? check_preemption_disabled+0x48/0x200 [ 176.035697] ? __lock_is_held+0xb5/0x140 [ 176.039764] __alloc_pages_nodemask+0xa80/0xde0 [ 176.044436] ? graph_lock+0x170/0x170 [ 176.048244] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 176.053255] ? graph_lock+0x170/0x170 [ 176.057078] ? find_held_lock+0x36/0x1c0 [ 176.061149] ? ____cache_alloc_node+0x1c7/0x1e0 [ 176.065825] ? lock_downgrade+0x900/0x900 [ 176.069990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.075534] cache_grow_begin+0x91/0x8c0 [ 176.079614] ? do_raw_spin_unlock+0xa7/0x2f0 [ 176.084037] fallback_alloc+0x203/0x2e0 [ 176.088023] ____cache_alloc_node+0x1c7/0x1e0 [ 176.092526] kmem_cache_alloc_node+0xe3/0x730 [ 176.097046] ? ipv6_get_ifaddr+0x42e/0x620 [ 176.101295] __alloc_skb+0x119/0x770 [ 176.105014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 176.110307] ? skb_scrub_packet+0x490/0x490 [ 176.114625] ? lock_downgrade+0x900/0x900 [ 176.118784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.124324] ? refcount_sub_and_test_checked+0x203/0x310 [ 176.129780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 176.135246] ? addrconf_rs_timer+0x6f0/0x6f0 [ 176.139668] ndisc_alloc_skb+0x144/0x340 [ 176.143739] ndisc_send_rs+0x331/0x6e0 [ 176.147634] addrconf_rs_timer+0x3c0/0x6f0 [ 176.151879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.156128] call_timer_fn+0x272/0x920 [ 176.160026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.164262] ? process_timeout+0x40/0x40 [ 176.168319] ? find_held_lock+0x36/0x1c0 [ 176.172395] ? __run_timers+0x7da/0xc70 [ 176.176379] ? _raw_spin_unlock_irq+0x27/0x80 [ 176.180879] ? _raw_spin_unlock_irq+0x27/0x80 [ 176.185375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.189611] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 176.194195] ? trace_hardirqs_on+0xbd/0x310 [ 176.198522] ? kasan_check_read+0x11/0x20 [ 176.202671] ? __run_timers+0x7da/0xc70 [ 176.206646] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 176.212103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.216349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 176.220589] __run_timers+0x7e5/0xc70 [ 176.224405] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 176.229777] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 176.234796] ? graph_lock+0x170/0x170 [ 176.238604] ? enqueue_hrtimer+0x1a5/0x560 [ 176.242840] ? lock_release+0x970/0x970 [ 176.246818] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 176.252023] ? find_held_lock+0x36/0x1c0 [ 176.256089] ? graph_lock+0x170/0x170 [ 176.259891] ? pvclock_read_flags+0x160/0x160 [ 176.264396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.269936] ? check_preemption_disabled+0x48/0x200 [ 176.274984] ? __lock_is_held+0xb5/0x140 [ 176.279089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.284627] ? check_preemption_disabled+0x48/0x200 [ 176.289656] run_timer_softirq+0x52/0xb0 [ 176.293721] ? rcu_read_lock_sched_held+0x108/0x120 [ 176.298739] __do_softirq+0x30b/0xad8 [ 176.302561] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 176.307673] ? pvclock_read_flags+0x160/0x160 [ 176.312171] ? lapic_next_event+0x5a/0x90 [ 176.316325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.321858] ? check_preemption_disabled+0x48/0x200 [ 176.326872] ? check_preemption_disabled+0x48/0x200 [ 176.331893] ? kvm_clock_read+0x18/0x30 [ 176.335875] ? kvm_sched_clock_read+0x9/0x20 [ 176.340495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.346033] ? check_preemption_disabled+0x48/0x200 [ 176.351060] irq_exit+0x17f/0x1c0 [ 176.354540] smp_apic_timer_interrupt+0x1cb/0x760 [ 176.359385] ? smp_reschedule_interrupt+0x109/0x650 [ 176.364405] ? smp_call_function_single_interrupt+0x650/0x650 [ 176.370293] ? interrupt_entry+0xb5/0xf0 [ 176.374356] ? trace_hardirqs_off_caller+0xbb/0x300 [ 176.379375] ? trace_hardirqs_off_caller+0xbb/0x300 [ 176.384397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.389244] ? trace_hardirqs_off+0x300/0x300 [ 176.393739] ? trace_hardirqs_off+0x300/0x300 [ 176.398243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.404082] ? check_preemption_disabled+0x48/0x200 [ 176.409103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.414652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.419518] apic_timer_interrupt+0xf/0x20 [ 176.423748] [ 176.426001] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 176.430937] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 176.449846] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 176.457555] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 176.464823] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 176.472103] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 176.479382] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 176.486648] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 176.493963] skb_clone+0x1bb/0x500 [ 176.497512] ? finish_task_switch+0x664/0x900 [ 176.502018] ? skb_split+0x11e0/0x11e0 [ 176.505910] ? preempt_notifier_register+0x200/0x200 [ 176.511014] ? __switch_to_asm+0x34/0x70 [ 176.515080] ? __switch_to_asm+0x34/0x70 [ 176.519139] ? __switch_to_asm+0x40/0x70 [ 176.523209] ? __switch_to_asm+0x34/0x70 [ 176.527269] ? __switch_to_asm+0x40/0x70 [ 176.531331] ? __switch_to_asm+0x34/0x70 [ 176.535393] ? __switch_to_asm+0x40/0x70 [ 176.539453] ? __switch_to_asm+0x34/0x70 [ 176.543515] ? __switch_to_asm+0x34/0x70 [ 176.547578] ? __switch_to_asm+0x40/0x70 [ 176.551635] ? __switch_to_asm+0x34/0x70 [ 176.555704] bpf_clone_redirect+0xb9/0x490 [ 176.559945] ? __schedule+0x874/0x1ed0 [ 176.563841] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 176.568864] ? __sched_text_start+0x8/0x8 [ 176.573014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.577782] ? find_held_lock+0x36/0x1c0 [ 176.581854] ? lock_acquire+0x1ed/0x520 [ 176.585828] ? bpf_test_run+0x32e/0x5a0 [ 176.589807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 176.595349] ? check_preemption_disabled+0x48/0x200 [ 176.600372] ? kasan_check_read+0x11/0x20 [ 176.604530] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 176.609814] ? rcu_bh_qs+0xc0/0xc0 [ 176.613360] ? preempt_schedule+0x4d/0x60 [ 176.617508] ? ___preempt_schedule+0x16/0x18 [ 176.621927] ? bpf_test_run+0x1c0/0x5a0 [ 176.625913] ? netlink_diag_dump+0x2a0/0x2a0 [ 176.630330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.635869] ? bpf_test_init.isra.9+0x70/0x100 [ 176.640458] ? bpf_prog_test_run_skb+0x634/0xb40 [ 176.645234] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 176.650077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 176.655615] ? fput+0x130/0x1a0 [ 176.658903] ? __bpf_prog_get+0x9b/0x290 [ 176.662968] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 176.667818] ? bpf_prog_test_run+0x130/0x1a0 [ 176.672239] ? __x64_sys_bpf+0x3d8/0x510 [ 176.676306] ? bpf_prog_get+0x20/0x20 [ 176.680120] ? ksys_ioctl+0x81/0xd0 [ 176.683759] ? do_syscall_64+0x1b9/0x820 [ 176.687834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 176.693210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 176.698146] ? trace_hardirqs_off+0x300/0x300 [ 176.702647] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 176.707667] ? recalc_sigpending_tsk+0x180/0x180 [ 176.712422] ? kasan_check_write+0x14/0x20 [ 176.716671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 176.721527] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.726913] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 176.726919] warn_alloc_show_mem: 1 callbacks suppressed [ 176.726927] Mem-Info: [ 176.734111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.734121] Call Trace: [ 176.739496] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 176.739496] active_file:17 inactive_file:11 isolated_file:5 [ 176.739496] unevictable:0 dirty:0 writeback:0 unstable:0 [ 176.739496] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 176.739496] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 176.739496] free:13528 free_pcp:440 free_cma:0 [ 176.741880] [ 176.751253] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 176.753850] dump_stack+0x1c4/0x2b4 [ 176.786722] Node 0 [ 176.788888] ? dump_stack_print_info.cold.2+0x52/0x52 [ 176.816653] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 176.820282] warn_alloc.cold.118+0xb7/0x1bd [ 176.822490] lowmem_reserve[]: [ 176.827677] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 176.853158] 0 2815 [ 176.857512] ? lock_downgrade+0x900/0x900 [ 176.860587] 6318 [ 176.865429] ? trace_hardirqs_off+0xb8/0x300 [ 176.867635] 6318 [ 176.871783] ? trace_hardirqs_off+0xb8/0x300 [ 176.873821] Node 0 [ 176.878232] __alloc_pages_slowpath+0x2667/0x2d80 [ 176.880296] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 176.884708] ? warn_alloc+0x120/0x120 [ 176.886889] lowmem_reserve[]: 0 [ 176.891736] ? warn_alloc+0x120/0x120 [ 176.918861] 0 3503 [ 176.922681] ? print_usage_bug+0xc0/0xc0 [ 176.925940] 3503 [ 176.929751] ? warn_alloc+0x120/0x120 [ 176.936029] ? print_usage_bug+0xc0/0xc0 [ 176.938067] Node 0 [ 176.941861] ? __lock_acquire+0x7ec/0x4ec0 [ 176.945932] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 176.948149] ? __lock_acquire+0x7ec/0x4ec0 [ 176.952387] lowmem_reserve[]: [ 176.980849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 176.985210] 0 [ 176.988314] ? should_fail+0x22d/0xd01 [ 176.993825] 0 [ 176.995626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 176.999485] 0 0 [ 177.001297] ? __lock_acquire+0x7ec/0x4ec0 [ 177.006381] Node 0 [ 177.008359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 177.012565] DMA: 1*4kB [ 177.014820] ? __lock_acquire+0x7ec/0x4ec0 [ 177.019902] (U) [ 177.022492] ? should_fail+0x22d/0xd01 [ 177.026697] 0*8kB [ 177.028678] ? mark_held_locks+0x130/0x130 [ 177.032525] 0*16kB 1*32kB [ 177.034687] ? mark_held_locks+0x130/0x130 [ 177.038903] (U) [ 177.041746] ? graph_lock+0x170/0x170 [ 177.045960] 2*64kB [ 177.047934] ? graph_lock+0x170/0x170 [ 177.051717] (U) [ 177.053947] ? graph_lock+0x170/0x170 [ 177.057724] 1*128kB [ 177.059693] ? print_usage_bug+0xc0/0xc0 [ 177.063470] (U) [ 177.065798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.069834] 1*256kB [ 177.071805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.077323] (U) [ 177.079642] ? check_preemption_disabled+0x48/0x200 [ 177.085160] 0*512kB [ 177.087129] ? check_preemption_disabled+0x48/0x200 [ 177.092126] 1*1024kB [ 177.094467] ? __lock_is_held+0xb5/0x140 [ 177.099451] (U) [ 177.101859] __alloc_pages_nodemask+0xa80/0xde0 [ 177.105897] 1*2048kB [ 177.107882] ? graph_lock+0x170/0x170 [ 177.112526] (M) [ 177.114932] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 177.118708] 3*4096kB [ 177.120681] ? graph_lock+0x170/0x170 [ 177.125673] (M) [ 177.128089] ? find_held_lock+0x36/0x1c0 [ 177.131862] = 15908kB [ 177.133854] ? ____cache_alloc_node+0x1c7/0x1e0 [ 177.137887] Node 0 [ 177.140333] ? lock_downgrade+0x900/0x900 [ 177.144972] DMA32: [ 177.147240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.151387] 4*4kB [ 177.153624] cache_grow_begin+0x91/0x8c0 [ 177.159136] (UM) [ 177.161296] ? do_raw_spin_unlock+0xa7/0x2f0 [ 177.165329] 3*8kB [ 177.167394] fallback_alloc+0x203/0x2e0 [ 177.171773] (UM) [ 177.173922] ____cache_alloc_node+0x1c7/0x1e0 [ 177.177869] 1*16kB [ 177.179934] kmem_cache_alloc_node+0xe3/0x730 [ 177.184405] (M) [ 177.186642] ? ipv6_get_ifaddr+0x42e/0x620 [ 177.191118] 2*32kB [ 177.193097] __alloc_skb+0x119/0x770 [ 177.197296] (UM) 3*64kB [ 177.199544] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 177.203232] (UM) [ 177.205898] ? skb_scrub_packet+0x490/0x490 [ 177.211148] 4*128kB (UM) [ 177.213229] ? lock_downgrade+0x900/0x900 [ 177.217528] 2*256kB [ 177.220284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.224402] (M) [ 177.226723] ? refcount_sub_and_test_checked+0x203/0x310 [ 177.232240] 4*512kB [ 177.234212] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 177.239644] (UM) [ 177.241978] ? addrconf_rs_timer+0x6f0/0x6f0 [ 177.247425] 3*1024kB [ 177.249498] ndisc_alloc_skb+0x144/0x340 [ 177.253866] (M) 1*2048kB [ 177.256288] ndisc_send_rs+0x331/0x6e0 [ 177.260320] (M) [ 177.263078] addrconf_rs_timer+0x3c0/0x6f0 [ 177.266943] 4*4096kB [ 177.268920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.273134] (M) [ 177.275551] call_timer_fn+0x272/0x920 [ 177.279750] = 24888kB [ 177.281724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.285589] Node 0 [ 177.288004] ? process_timeout+0x40/0x40 [ 177.292211] Normal: 1035*4kB [ 177.294451] ? find_held_lock+0x36/0x1c0 [ 177.294476] ? __run_timers+0x7da/0xc70 [ 177.298513] (MEH) [ 177.301619] ? _raw_spin_unlock_irq+0x27/0x80 [ 177.305650] 457*8kB (UMEH) [ 177.309630] ? _raw_spin_unlock_irq+0x27/0x80 [ 177.311762] 163*16kB [ 177.316253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.319164] (MEH) [ 177.323654] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 177.326053] 58*32kB [ 177.330283] ? trace_hardirqs_on+0xbd/0x310 [ 177.332420] (UMEH) [ 177.337009] ? kasan_check_read+0x11/0x20 [ 177.339307] 13*64kB (UMH) [ 177.343634] ? __run_timers+0x7da/0xc70 [ 177.345850] 2*128kB [ 177.350000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 177.352816] (H) 0*256kB [ 177.356800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.359099] 0*512kB [ 177.364545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 177.367194] 0*1024kB [ 177.371424] __run_timers+0x7e5/0xc70 [ 177.373715] 0*2048kB 0*4096kB [ 177.377976] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 177.380357] = 13348kB [ 177.384151] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 177.387327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 177.392678] ? graph_lock+0x170/0x170 [ 177.395084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 177.400093] ? enqueue_hrtimer+0x1a5/0x560 [ 177.408913] 412 total pagecache pages [ 177.412714] ? lock_release+0x970/0x970 [ 177.421269] 0 pages in swap cache [ 177.425513] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 177.429293] Swap cache stats: add 0, delete 0, find 0/0 [ 177.433262] ? find_held_lock+0x36/0x1c0 [ 177.436693] Free swap = 0kB [ 177.441880] ? graph_lock+0x170/0x170 [ 177.447230] Total swap = 0kB [ 177.451284] ? pvclock_read_flags+0x160/0x160 [ 177.454291] 1965979 pages RAM [ 177.458089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.461080] 0 pages HighMem/MovableOnly [ 177.461090] 343323 pages reserved [ 177.465577] ? check_preemption_disabled+0x48/0x200 [ 177.468652] 0 pages cma reserved [ 177.468734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 177.474199] ? __lock_is_held+0xb5/0x140 [ 177.478271] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 177.481610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.486603] syz-executor3 cpuset= [ 177.489962] ? check_preemption_disabled+0x48/0x200 [ 177.496446] syz3 [ 177.500510] run_timer_softirq+0x52/0xb0 [ 177.511269] mems_allowed=0 [ 177.534184] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.539230] __do_softirq+0x30b/0xad8 [ 177.543049] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 177.548155] ? pvclock_read_flags+0x160/0x160 [ 177.552648] ? lapic_next_event+0x5a/0x90 [ 177.556798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.562339] ? check_preemption_disabled+0x48/0x200 [ 177.567355] ? check_preemption_disabled+0x48/0x200 [ 177.572375] ? kvm_clock_read+0x18/0x30 [ 177.576361] ? kvm_sched_clock_read+0x9/0x20 [ 177.580771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.586308] ? check_preemption_disabled+0x48/0x200 [ 177.591349] irq_exit+0x17f/0x1c0 [ 177.594806] smp_apic_timer_interrupt+0x1cb/0x760 [ 177.599648] ? smp_reschedule_interrupt+0x109/0x650 [ 177.604666] ? smp_call_function_single_interrupt+0x650/0x650 [ 177.610549] ? interrupt_entry+0xb5/0xf0 [ 177.614624] ? trace_hardirqs_off_caller+0xbb/0x300 [ 177.619651] ? trace_hardirqs_off_caller+0xbb/0x300 [ 177.624673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.629521] ? trace_hardirqs_off+0x300/0x300 [ 177.634017] ? trace_hardirqs_off+0x300/0x300 [ 177.638516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.644050] ? check_preemption_disabled+0x48/0x200 [ 177.649064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.654610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.659461] apic_timer_interrupt+0xf/0x20 [ 177.663720] [ 177.665961] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 177.670891] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 177.689792] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 177.697503] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 177.704769] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 177.712035] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 177.719305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 177.726574] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 177.733887] skb_clone+0x1bb/0x500 [ 177.737435] ? finish_task_switch+0x1b5/0x900 [ 177.741929] ? skb_split+0x11e0/0x11e0 [ 177.745818] ? preempt_notifier_register+0x200/0x200 [ 177.750923] ? __switch_to_asm+0x34/0x70 [ 177.754986] ? __switch_to_asm+0x34/0x70 [ 177.759052] ? __switch_to_asm+0x40/0x70 [ 177.763110] ? __switch_to_asm+0x34/0x70 [ 177.767170] ? __switch_to_asm+0x40/0x70 [ 177.771231] ? __switch_to_asm+0x34/0x70 [ 177.775293] ? __switch_to_asm+0x40/0x70 [ 177.779353] ? __switch_to_asm+0x34/0x70 [ 177.783413] ? __switch_to_asm+0x34/0x70 [ 177.787471] ? __switch_to_asm+0x40/0x70 [ 177.791537] ? __switch_to_asm+0x34/0x70 [ 177.795612] bpf_clone_redirect+0xb9/0x490 [ 177.799853] ? __schedule+0x874/0x1ed0 [ 177.803751] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 177.808769] ? __sched_text_start+0x8/0x8 [ 177.812924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.817683] ? find_held_lock+0x36/0x1c0 [ 177.821751] ? lock_acquire+0x1ed/0x520 [ 177.825724] ? bpf_test_run+0x32e/0x5a0 [ 177.829700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.835241] ? check_preemption_disabled+0x48/0x200 [ 177.840264] ? kasan_check_read+0x11/0x20 [ 177.844418] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 177.849694] ? rcu_bh_qs+0xc0/0xc0 [ 177.853238] ? preempt_schedule+0x4d/0x60 [ 177.857384] ? ___preempt_schedule+0x16/0x18 [ 177.861799] ? bpf_test_run+0x1c0/0x5a0 [ 177.865783] ? netlink_diag_dump+0x2a0/0x2a0 [ 177.870198] ? bpf_prog_test_run_skb+0x295/0xb40 [ 177.874959] ? bpf_prog_test_run_skb+0x634/0xb40 [ 177.879739] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 177.884604] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 177.890135] ? fput+0x130/0x1a0 [ 177.893418] ? __bpf_prog_get+0x9b/0x290 [ 177.897489] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 177.902344] ? bpf_prog_test_run+0x130/0x1a0 [ 177.906756] ? __x64_sys_bpf+0x3d8/0x510 [ 177.910816] ? bpf_prog_get+0x20/0x20 [ 177.914646] ? do_syscall_64+0x1b9/0x820 [ 177.918715] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 177.924083] ? syscall_return_slowpath+0x5e0/0x5e0 [ 177.929010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.933854] ? trace_hardirqs_off+0x300/0x300 [ 177.938356] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 177.943376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 177.948929] ? prepare_exit_to_usermode+0x291/0x3b0 [ 177.953962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 177.958829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.964219] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 177.964287] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 177.971414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.971419] Call Trace: [ 177.971426] [ 177.971442] dump_stack+0x1c4/0x2b4 [ 177.971464] ? dump_stack_print_info.cold.2+0x52/0x52 [ 177.978060] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 177.987334] warn_alloc.cold.118+0xb7/0x1bd [ 177.989895] syz-executor3 cpuset= [ 177.992040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 177.995652] syz3 [ 178.000837] ? lock_downgrade+0x900/0x900 [ 178.011319] mems_allowed=0 [ 178.015635] ? trace_hardirqs_off+0xb8/0x300 [ 178.037327] ? trace_hardirqs_off+0xb8/0x300 [ 178.041748] __alloc_pages_slowpath+0x2667/0x2d80 [ 178.046629] ? warn_alloc+0x120/0x120 [ 178.050441] ? warn_alloc+0x120/0x120 [ 178.054258] ? print_usage_bug+0xc0/0xc0 [ 178.058337] ? warn_alloc+0x120/0x120 [ 178.062173] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 178.067196] ? print_usage_bug+0xc0/0xc0 [ 178.071269] ? __lock_acquire+0x7ec/0x4ec0 [ 178.075518] ? __lock_acquire+0x7ec/0x4ec0 [ 178.079755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.085295] ? should_fail+0x22d/0xd01 [ 178.089181] ? __lock_acquire+0x7ec/0x4ec0 [ 178.093436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.098542] ? __lock_acquire+0x7ec/0x4ec0 [ 178.102779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 178.107877] ? __lock_acquire+0x7ec/0x4ec0 [ 178.112113] ? should_fail+0x22d/0xd01 [ 178.116012] ? mark_held_locks+0x130/0x130 [ 178.120264] ? mark_held_locks+0x130/0x130 [ 178.124535] ? graph_lock+0x170/0x170 [ 178.128340] ? print_usage_bug+0xc0/0xc0 [ 178.132425] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 178.137229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.142766] ? check_preemption_disabled+0x48/0x200 [ 178.147781] ? check_preemption_disabled+0x48/0x200 [ 178.152812] ? __lock_is_held+0xb5/0x140 [ 178.156886] __alloc_pages_nodemask+0xa80/0xde0 [ 178.161568] ? graph_lock+0x170/0x170 [ 178.165389] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 178.170402] ? graph_lock+0x170/0x170 [ 178.174221] ? find_held_lock+0x36/0x1c0 [ 178.178296] ? ____cache_alloc_node+0x1c7/0x1e0 [ 178.182965] ? lock_downgrade+0x900/0x900 [ 178.187124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.192667] cache_grow_begin+0x91/0x8c0 [ 178.196727] ? do_raw_spin_unlock+0xa7/0x2f0 [ 178.201155] fallback_alloc+0x203/0x2e0 [ 178.205141] ____cache_alloc_node+0x1c7/0x1e0 [ 178.209657] kmem_cache_alloc_node+0xe3/0x730 [ 178.214167] ? ipv6_get_ifaddr+0x42e/0x620 [ 178.218420] __alloc_skb+0x119/0x770 [ 178.222136] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 178.227413] ? skb_scrub_packet+0x490/0x490 [ 178.231731] ? lock_downgrade+0x900/0x900 [ 178.235888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.241428] ? refcount_sub_and_test_checked+0x203/0x310 [ 178.246883] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 178.252336] ? addrconf_rs_timer+0x6f0/0x6f0 [ 178.256758] ndisc_alloc_skb+0x144/0x340 [ 178.260829] ndisc_send_rs+0x331/0x6e0 [ 178.264722] addrconf_rs_timer+0x3c0/0x6f0 [ 178.268967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.273237] call_timer_fn+0x272/0x920 [ 178.277127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.281364] ? process_timeout+0x40/0x40 [ 178.285423] ? find_held_lock+0x36/0x1c0 [ 178.289519] ? __run_timers+0x7da/0xc70 [ 178.293496] ? _raw_spin_unlock_irq+0x27/0x80 [ 178.297997] ? _raw_spin_unlock_irq+0x27/0x80 [ 178.302493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.306731] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 178.311316] ? trace_hardirqs_on+0xbd/0x310 [ 178.315635] ? kasan_check_read+0x11/0x20 [ 178.319785] ? __run_timers+0x7da/0xc70 [ 178.323776] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 178.329243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 178.333473] __run_timers+0x7e5/0xc70 [ 178.337286] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 178.342665] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 178.347683] ? graph_lock+0x170/0x170 [ 178.351485] ? enqueue_hrtimer+0x1a5/0x560 [ 178.355721] ? lock_release+0x970/0x970 [ 178.359697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 178.364905] ? find_held_lock+0x36/0x1c0 [ 178.368986] ? graph_lock+0x170/0x170 [ 178.372791] ? pvclock_read_flags+0x160/0x160 [ 178.377291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.382830] ? check_preemption_disabled+0x48/0x200 [ 178.387858] ? __lock_is_held+0xb5/0x140 [ 178.391929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.397473] ? check_preemption_disabled+0x48/0x200 [ 178.402770] run_timer_softirq+0x52/0xb0 [ 178.406835] ? rcu_read_lock_sched_held+0x108/0x120 [ 178.411895] __do_softirq+0x30b/0xad8 [ 178.415735] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 178.420845] ? pvclock_read_flags+0x160/0x160 [ 178.425354] ? lapic_next_event+0x5a/0x90 [ 178.429516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.435056] ? check_preemption_disabled+0x48/0x200 [ 178.440100] ? check_preemption_disabled+0x48/0x200 [ 178.445126] ? kvm_clock_read+0x18/0x30 [ 178.449103] ? kvm_sched_clock_read+0x9/0x20 [ 178.453518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.459068] ? check_preemption_disabled+0x48/0x200 [ 178.464094] irq_exit+0x17f/0x1c0 [ 178.467552] smp_apic_timer_interrupt+0x1cb/0x760 [ 178.472399] ? smp_reschedule_interrupt+0x109/0x650 [ 178.477415] ? smp_call_function_single_interrupt+0x650/0x650 [ 178.483300] ? interrupt_entry+0xb5/0xf0 [ 178.487365] ? trace_hardirqs_off_caller+0xbb/0x300 [ 178.492378] ? trace_hardirqs_off_caller+0xbb/0x300 [ 178.497397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.502241] ? trace_hardirqs_off+0x300/0x300 [ 178.506734] ? trace_hardirqs_off+0x300/0x300 [ 178.511248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.516786] ? check_preemption_disabled+0x48/0x200 [ 178.521807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.527352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.532213] apic_timer_interrupt+0xf/0x20 [ 178.536440] [ 178.538680] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 178.543614] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 178.562518] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 178.570495] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 178.577764] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 178.585033] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 178.592302] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 178.599567] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 178.606907] skb_clone+0x1bb/0x500 [ 178.610454] ? finish_task_switch+0x664/0x900 [ 178.614962] ? skb_split+0x11e0/0x11e0 [ 178.618884] ? preempt_notifier_register+0x200/0x200 [ 178.624015] ? __switch_to_asm+0x34/0x70 [ 178.628090] ? __switch_to_asm+0x34/0x70 [ 178.632150] ? __switch_to_asm+0x40/0x70 [ 178.636219] ? __switch_to_asm+0x34/0x70 [ 178.640283] ? __switch_to_asm+0x40/0x70 [ 178.644347] ? __switch_to_asm+0x34/0x70 [ 178.648411] ? __switch_to_asm+0x40/0x70 [ 178.652474] ? __switch_to_asm+0x34/0x70 [ 178.656559] ? __switch_to_asm+0x34/0x70 [ 178.660629] ? __switch_to_asm+0x40/0x70 [ 178.664691] ? __switch_to_asm+0x34/0x70 [ 178.668768] bpf_clone_redirect+0xb9/0x490 [ 178.673010] ? __schedule+0x874/0x1ed0 [ 178.676908] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 178.681932] ? __sched_text_start+0x8/0x8 [ 178.686088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 178.690883] ? find_held_lock+0x36/0x1c0 [ 178.694955] ? lock_acquire+0x1ed/0x520 [ 178.698937] ? bpf_test_run+0x32e/0x5a0 [ 178.702918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 178.708464] ? check_preemption_disabled+0x48/0x200 [ 178.713497] ? kasan_check_read+0x11/0x20 [ 178.717684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 178.722968] ? rcu_bh_qs+0xc0/0xc0 [ 178.726521] ? preempt_schedule+0x4d/0x60 [ 178.730669] ? ___preempt_schedule+0x16/0x18 [ 178.735094] ? bpf_test_run+0x1c0/0x5a0 [ 178.739083] ? netlink_diag_dump+0x2a0/0x2a0 [ 178.743498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 178.749046] ? bpf_test_init.isra.9+0x70/0x100 [ 178.753646] ? bpf_prog_test_run_skb+0x634/0xb40 [ 178.758411] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 178.763255] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 178.768789] ? fput+0x130/0x1a0 [ 178.772155] ? __bpf_prog_get+0x9b/0x290 [ 178.776228] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 178.781094] ? bpf_prog_test_run+0x130/0x1a0 [ 178.785511] ? __x64_sys_bpf+0x3d8/0x510 [ 178.789597] ? bpf_prog_get+0x20/0x20 [ 178.793407] ? ksys_ioctl+0x81/0xd0 [ 178.797059] ? do_syscall_64+0x1b9/0x820 [ 178.801124] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 178.806488] ? syscall_return_slowpath+0x5e0/0x5e0 [ 178.811422] ? trace_hardirqs_off+0x300/0x300 [ 178.815921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 178.820936] ? recalc_sigpending_tsk+0x180/0x180 [ 178.825694] ? kasan_check_write+0x14/0x20 [ 178.829941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 178.834801] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.840192] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 178.840198] warn_alloc_show_mem: 1 callbacks suppressed [ 178.840212] Mem-Info: [ 178.847399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.852770] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 178.852770] active_file:17 inactive_file:11 isolated_file:5 [ 178.852770] unevictable:0 dirty:0 writeback:0 unstable:0 [ 178.852770] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 178.852770] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 178.852770] free:13528 free_pcp:440 free_cma:0 [ 178.855144] Call Trace: [ 178.864546] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 178.897405] [ 178.899986] Node 0 [ 178.927745] dump_stack+0x1c4/0x2b4 [ 178.929900] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 178.932119] ? dump_stack_print_info.cold.2+0x52/0x52 [ 178.935713] lowmem_reserve[]: 0 [ 178.961273] warn_alloc.cold.118+0xb7/0x1bd [ 178.966450] 2815 [ 178.969728] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 178.974025] 6318 [ 178.976086] ? lock_downgrade+0x900/0x900 [ 178.980904] 6318 [ 178.982979] ? trace_hardirqs_off+0xb8/0x300 [ 178.987104] Node 0 [ 178.989163] ? trace_hardirqs_off+0xb8/0x300 [ 178.993572] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 178.995786] __alloc_pages_slowpath+0x2667/0x2d80 [ 179.000157] lowmem_reserve[]: 0 [ 179.027347] ? warn_alloc+0x120/0x120 [ 179.032145] 0 [ 179.035462] ? warn_alloc+0x120/0x120 [ 179.039238] 3503 [ 179.041036] ? print_usage_bug+0xc0/0xc0 [ 179.044805] 3503 [ 179.046874] ? warn_alloc+0x120/0x120 [ 179.050932] Node 0 [ 179.053027] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 179.056829] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 179.059040] ? print_usage_bug+0xc0/0xc0 [ 179.064050] lowmem_reserve[]: 0 [ 179.092541] ? __lock_acquire+0x7ec/0x4ec0 [ 179.096582] 0 [ 179.099860] ? __lock_acquire+0x7ec/0x4ec0 [ 179.104072] 0 [ 179.105871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 179.110083] 0 [ 179.111883] ? should_fail+0x22d/0xd01 [ 179.119203] ? __lock_acquire+0x7ec/0x4ec0 [ 179.123078] Node 0 DMA: [ 179.127317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.127335] ? __lock_acquire+0x7ec/0x4ec0 [ 179.130017] 1*4kB [ 179.135123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 179.139346] (U) [ 179.141494] ? __lock_acquire+0x7ec/0x4ec0 [ 179.141512] ? should_fail+0x22d/0xd01 [ 179.146597] 0*8kB [ 179.148587] ? mark_held_locks+0x130/0x130 [ 179.152792] 0*16kB [ 179.156679] ? mark_held_locks+0x130/0x130 [ 179.158800] 1*32kB (U) [ 179.163050] ? graph_lock+0x170/0x170 [ 179.165263] 2*64kB [ 179.169501] ? print_usage_bug+0xc0/0xc0 [ 179.172061] (U) 1*128kB [ 179.175874] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.178210] (U) 1*256kB [ 179.182312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.182339] ? check_preemption_disabled+0x48/0x200 [ 179.185021] (U) [ 179.189773] ? check_preemption_disabled+0x48/0x200 [ 179.192421] 0*512kB 1*1024kB [ 179.197978] ? __lock_is_held+0xb5/0x140 [ 179.203306] (U) [ 179.205170] __alloc_pages_nodemask+0xa80/0xde0 [ 179.210460] 1*2048kB (M) [ 179.213582] ? graph_lock+0x170/0x170 [ 179.217728] 3*4096kB [ 179.219656] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 179.224310] (M) [ 179.227065] ? graph_lock+0x170/0x170 [ 179.230958] = 15908kB [ 179.233377] ? find_held_lock+0x36/0x1c0 [ 179.238597] Node 0 DMA32: [ 179.240597] ? ____cache_alloc_node+0x1c7/0x1e0 [ 179.244365] 4*4kB [ 179.246773] ? lock_downgrade+0x900/0x900 [ 179.250813] (UM) [ 179.253667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.258419] 3*8kB (UM) [ 179.260585] cache_grow_begin+0x91/0x8c0 [ 179.264991] 1*16kB [ 179.267056] ? do_raw_spin_unlock+0xa7/0x2f0 [ 179.272744] (M) [ 179.275339] fallback_alloc+0x203/0x2e0 [ 179.279643] 2*32kB [ 179.281888] ____cache_alloc_node+0x1c7/0x1e0 [ 179.281907] kmem_cache_alloc_node+0xe3/0x730 [ 179.281923] ? ipv6_get_ifaddr+0x42e/0x620 [ 179.281947] __alloc_skb+0x119/0x770 [ 179.281963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 179.282016] ? skb_scrub_packet+0x490/0x490 [ 179.286416] (UM) [ 179.288395] ? lock_downgrade+0x900/0x900 [ 179.292348] 3*64kB [ 179.294618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.299081] (UM) [ 179.303571] ? refcount_sub_and_test_checked+0x203/0x310 [ 179.307774] 4*128kB (UM) [ 179.311501] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 179.316742] 2*256kB (M) [ 179.321075] ? addrconf_rs_timer+0x6f0/0x6f0 [ 179.323108] 4*512kB (UM) [ 179.327311] ndisc_alloc_skb+0x144/0x340 [ 179.329528] 3*1024kB [ 179.335062] ndisc_send_rs+0x331/0x6e0 [ 179.337097] (M) [ 179.342545] addrconf_rs_timer+0x3c0/0x6f0 [ 179.345279] 1*2048kB [ 179.350727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.353378] (M) [ 179.357791] call_timer_fn+0x272/0x920 [ 179.360519] 4*4096kB [ 179.364578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.366956] (M) = 24888kB [ 179.370854] ? process_timeout+0x40/0x40 [ 179.372807] Node 0 [ 179.377034] ? find_held_lock+0x36/0x1c0 [ 179.379419] Normal: [ 179.383657] ? __run_timers+0x7da/0xc70 [ 179.385606] 1035*4kB [ 179.389495] ? _raw_spin_unlock_irq+0x27/0x80 [ 179.391900] (MEH) [ 179.396142] ? _raw_spin_unlock_irq+0x27/0x80 [ 179.398881] 457*8kB [ 179.402930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.402947] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 179.405187] (UMEH) [ 179.409258] ? trace_hardirqs_on+0xbd/0x310 [ 179.411556] 163*16kB [ 179.415513] ? kasan_check_read+0x11/0x20 [ 179.415531] ? __run_timers+0x7da/0xc70 [ 179.417923] (MEH) [ 179.422415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 179.424535] 58*32kB (UMEH) [ 179.429140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 179.431431] 13*64kB [ 179.435659] __run_timers+0x7e5/0xc70 [ 179.440221] (UMH) [ 179.442466] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 179.446753] 2*128kB [ 179.449158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 179.453275] (H) 0*256kB [ 179.457261] ? graph_lock+0x170/0x170 [ 179.459392] 0*512kB [ 179.464835] ? enqueue_hrtimer+0x1a5/0x560 [ 179.467747] 0*1024kB [ 179.471976] ? lock_release+0x970/0x970 [ 179.474281] 0*2048kB [ 179.478072] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 179.480199] 0*4096kB [ 179.485558] ? find_held_lock+0x36/0x1c0 [ 179.487868] = 13348kB [ 179.492880] ? graph_lock+0x170/0x170 [ 179.495537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 179.499342] ? pvclock_read_flags+0x160/0x160 [ 179.501652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 179.505875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.508788] 412 total pagecache pages [ 179.512759] ? check_preemption_disabled+0x48/0x200 [ 179.515151] 0 pages in swap cache [ 179.520338] ? __lock_is_held+0xb5/0x140 [ 179.522718] Swap cache stats: add 0, delete 0, find 0/0 [ 179.522728] Free swap = 0kB [ 179.526782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.529165] Total swap = 0kB [ 179.529173] 1965979 pages RAM [ 179.532980] ? check_preemption_disabled+0x48/0x200 [ 179.541792] 0 pages HighMem/MovableOnly [ 179.541803] 343323 pages reserved [ 179.546304] run_timer_softirq+0x52/0xb0 [ 179.554852] 0 pages cma reserved [ 179.560384] ? rcu_read_lock_sched_held+0x108/0x120 [ 179.564228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 179.569170] __do_softirq+0x30b/0xad8 [ 179.569197] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 179.569224] ? pvclock_read_flags+0x160/0x160 [ 179.572731] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 179.576716] ? lapic_next_event+0x5a/0x90 [ 179.582060] syz-executor3 cpuset= [ 179.585073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.590595] syz3 [ 179.593625] ? check_preemption_disabled+0x48/0x200 [ 179.596708] mems_allowed=0 [ 179.601715] ? check_preemption_disabled+0x48/0x200 [ 179.679763] ? kvm_clock_read+0x18/0x30 [ 179.683735] ? kvm_sched_clock_read+0x9/0x20 [ 179.688145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.693685] ? check_preemption_disabled+0x48/0x200 [ 179.698716] irq_exit+0x17f/0x1c0 [ 179.702180] smp_apic_timer_interrupt+0x1cb/0x760 [ 179.707023] ? smp_reschedule_interrupt+0x109/0x650 [ 179.712043] ? smp_call_function_single_interrupt+0x650/0x650 [ 179.717930] ? interrupt_entry+0xb5/0xf0 [ 179.721994] ? trace_hardirqs_off_caller+0xbb/0x300 [ 179.727011] ? trace_hardirqs_off_caller+0xbb/0x300 [ 179.732033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.736871] ? trace_hardirqs_off+0x300/0x300 [ 179.741377] ? trace_hardirqs_off+0x300/0x300 [ 179.745876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.751413] ? check_preemption_disabled+0x48/0x200 [ 179.756431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.761975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 179.766830] apic_timer_interrupt+0xf/0x20 [ 179.771059] [ 179.773298] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 179.778231] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 179.797133] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 179.804844] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 179.812113] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 179.819379] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 179.826649] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 179.833920] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 179.841266] skb_clone+0x1bb/0x500 [ 179.844813] ? finish_task_switch+0x1b5/0x900 [ 179.849323] ? skb_split+0x11e0/0x11e0 [ 179.853215] ? preempt_notifier_register+0x200/0x200 [ 179.858318] ? __switch_to_asm+0x34/0x70 [ 179.862382] ? __switch_to_asm+0x34/0x70 [ 179.866442] ? __switch_to_asm+0x40/0x70 [ 179.870508] ? __switch_to_asm+0x34/0x70 [ 179.874575] ? __switch_to_asm+0x40/0x70 [ 179.878643] ? __switch_to_asm+0x34/0x70 [ 179.882707] ? __switch_to_asm+0x40/0x70 [ 179.886779] ? __switch_to_asm+0x34/0x70 [ 179.890838] ? __switch_to_asm+0x34/0x70 [ 179.894899] ? __switch_to_asm+0x40/0x70 [ 179.898956] ? __switch_to_asm+0x34/0x70 [ 179.903033] bpf_clone_redirect+0xb9/0x490 [ 179.907299] ? __schedule+0x874/0x1ed0 [ 179.911193] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 179.916228] ? __sched_text_start+0x8/0x8 [ 179.920386] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.925150] ? find_held_lock+0x36/0x1c0 [ 179.929215] ? lock_acquire+0x1ed/0x520 [ 179.933200] ? bpf_test_run+0x32e/0x5a0 [ 179.937191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.942732] ? check_preemption_disabled+0x48/0x200 [ 179.947754] ? kasan_check_read+0x11/0x20 [ 179.951903] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 179.957180] ? rcu_bh_qs+0xc0/0xc0 [ 179.960728] ? preempt_schedule+0x4d/0x60 [ 179.964876] ? ___preempt_schedule+0x16/0x18 [ 179.969294] ? bpf_test_run+0x1c0/0x5a0 [ 179.973290] ? netlink_diag_dump+0x2a0/0x2a0 [ 179.977702] ? bpf_prog_test_run_skb+0x295/0xb40 [ 179.982464] ? bpf_prog_test_run_skb+0x634/0xb40 [ 179.987235] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 179.992081] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 179.997617] ? fput+0x130/0x1a0 [ 180.000897] ? __bpf_prog_get+0x9b/0x290 [ 180.004989] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 180.009834] ? bpf_prog_test_run+0x130/0x1a0 [ 180.014251] ? __x64_sys_bpf+0x3d8/0x510 [ 180.018328] ? bpf_prog_get+0x20/0x20 [ 180.022160] ? do_syscall_64+0x1b9/0x820 [ 180.026219] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 180.031585] ? syscall_return_slowpath+0x5e0/0x5e0 [ 180.036516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.041360] ? trace_hardirqs_off+0x300/0x300 [ 180.045855] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 180.050884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.056460] ? prepare_exit_to_usermode+0x291/0x3b0 [ 180.061496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.066351] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.071735] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 180.071804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 180.078929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.078934] Call Trace: [ 180.078941] [ 180.078958] dump_stack+0x1c4/0x2b4 [ 180.078976] ? dump_stack_print_info.cold.2+0x52/0x52 [ 180.085514] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 180.094810] warn_alloc.cold.118+0xb7/0x1bd [ 180.097372] syz-executor3 cpuset= [ 180.099529] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 180.103145] syz3 [ 180.108334] ? lock_downgrade+0x900/0x900 [ 180.118798] mems_allowed=0 [ 180.123144] ? trace_hardirqs_off+0xb8/0x300 [ 180.144854] ? trace_hardirqs_off+0xb8/0x300 [ 180.149281] __alloc_pages_slowpath+0x2667/0x2d80 [ 180.154170] ? warn_alloc+0x120/0x120 [ 180.158013] ? warn_alloc+0x120/0x120 [ 180.161829] ? print_usage_bug+0xc0/0xc0 [ 180.165891] ? warn_alloc+0x120/0x120 [ 180.169691] ? print_usage_bug+0xc0/0xc0 [ 180.173754] ? __lock_acquire+0x7ec/0x4ec0 [ 180.177992] ? __lock_acquire+0x7ec/0x4ec0 [ 180.182231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.187773] ? should_fail+0x22d/0xd01 [ 180.191662] ? __lock_acquire+0x7ec/0x4ec0 [ 180.195905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.201012] ? __lock_acquire+0x7ec/0x4ec0 [ 180.205257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 180.210358] ? __lock_acquire+0x7ec/0x4ec0 [ 180.214594] ? should_fail+0x22d/0xd01 [ 180.218493] ? mark_held_locks+0x130/0x130 [ 180.222733] ? mark_held_locks+0x130/0x130 [ 180.226976] ? graph_lock+0x170/0x170 [ 180.230786] ? print_usage_bug+0xc0/0xc0 [ 180.234850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.240402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.245951] ? check_preemption_disabled+0x48/0x200 [ 180.250969] ? check_preemption_disabled+0x48/0x200 [ 180.256030] ? __lock_is_held+0xb5/0x140 [ 180.260101] __alloc_pages_nodemask+0xa80/0xde0 [ 180.264774] ? graph_lock+0x170/0x170 [ 180.268579] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 180.273591] ? graph_lock+0x170/0x170 [ 180.277403] ? find_held_lock+0x36/0x1c0 [ 180.281488] ? ____cache_alloc_node+0x1c7/0x1e0 [ 180.286158] ? lock_downgrade+0x900/0x900 [ 180.290314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.295861] cache_grow_begin+0x91/0x8c0 [ 180.299950] ? do_raw_spin_unlock+0xa7/0x2f0 [ 180.304445] fallback_alloc+0x203/0x2e0 [ 180.308478] ____cache_alloc_node+0x1c7/0x1e0 [ 180.312987] kmem_cache_alloc_node+0xe3/0x730 [ 180.317484] ? ipv6_get_ifaddr+0x42e/0x620 [ 180.321733] __alloc_skb+0x119/0x770 [ 180.325535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 180.330817] ? skb_scrub_packet+0x490/0x490 [ 180.335139] ? lock_downgrade+0x900/0x900 [ 180.339300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.344838] ? refcount_sub_and_test_checked+0x203/0x310 [ 180.350294] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 180.355748] ? addrconf_rs_timer+0x6f0/0x6f0 [ 180.360168] ndisc_alloc_skb+0x144/0x340 [ 180.364240] ndisc_send_rs+0x331/0x6e0 [ 180.368135] addrconf_rs_timer+0x3c0/0x6f0 [ 180.372377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.376627] call_timer_fn+0x272/0x920 [ 180.380534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.384791] ? process_timeout+0x40/0x40 [ 180.388849] ? find_held_lock+0x36/0x1c0 [ 180.392921] ? __run_timers+0x7da/0xc70 [ 180.396904] ? _raw_spin_unlock_irq+0x27/0x80 [ 180.401645] ? _raw_spin_unlock_irq+0x27/0x80 [ 180.406141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.410377] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 180.414961] ? trace_hardirqs_on+0xbd/0x310 [ 180.419289] ? kasan_check_read+0x11/0x20 [ 180.423446] ? __run_timers+0x7da/0xc70 [ 180.427431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 180.432909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 180.437167] __run_timers+0x7e5/0xc70 [ 180.440993] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 180.446376] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 180.451402] ? graph_lock+0x170/0x170 [ 180.455205] ? enqueue_hrtimer+0x1a5/0x560 [ 180.459441] ? lock_release+0x970/0x970 [ 180.463417] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 180.468611] ? find_held_lock+0x36/0x1c0 [ 180.472693] ? graph_lock+0x170/0x170 [ 180.476501] ? pvclock_read_flags+0x160/0x160 [ 180.481003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.486551] ? check_preemption_disabled+0x48/0x200 [ 180.491591] ? __lock_is_held+0xb5/0x140 [ 180.495655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.501195] ? check_preemption_disabled+0x48/0x200 [ 180.506224] run_timer_softirq+0x52/0xb0 [ 180.510290] ? rcu_read_lock_sched_held+0x108/0x120 [ 180.515324] __do_softirq+0x30b/0xad8 [ 180.519137] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 180.524249] ? pvclock_read_flags+0x160/0x160 [ 180.528742] ? lapic_next_event+0x5a/0x90 [ 180.532890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.538429] ? check_preemption_disabled+0x48/0x200 [ 180.543483] ? check_preemption_disabled+0x48/0x200 [ 180.548513] ? kvm_clock_read+0x18/0x30 [ 180.552493] ? kvm_sched_clock_read+0x9/0x20 [ 180.556934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.562468] ? check_preemption_disabled+0x48/0x200 [ 180.567500] irq_exit+0x17f/0x1c0 [ 180.570961] smp_apic_timer_interrupt+0x1cb/0x760 [ 180.575808] ? smp_reschedule_interrupt+0x109/0x650 [ 180.580829] ? smp_call_function_single_interrupt+0x650/0x650 [ 180.586724] ? interrupt_entry+0xb5/0xf0 [ 180.590787] ? trace_hardirqs_off_caller+0xbb/0x300 [ 180.595802] ? trace_hardirqs_off_caller+0xbb/0x300 [ 180.600820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.605662] ? trace_hardirqs_off+0x300/0x300 [ 180.610165] ? trace_hardirqs_off+0x300/0x300 [ 180.614658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.620193] ? check_preemption_disabled+0x48/0x200 [ 180.625212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.630758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.635621] apic_timer_interrupt+0xf/0x20 [ 180.639852] [ 180.642102] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 180.647034] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 180.665930] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 180.673639] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 180.680903] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 180.688172] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 180.695436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 180.702821] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 180.710132] skb_clone+0x1bb/0x500 [ 180.713675] ? finish_task_switch+0x664/0x900 [ 180.718170] ? skb_split+0x11e0/0x11e0 [ 180.722071] ? preempt_notifier_register+0x200/0x200 [ 180.727173] ? __switch_to_asm+0x34/0x70 [ 180.731242] ? __switch_to_asm+0x34/0x70 [ 180.735300] ? __switch_to_asm+0x40/0x70 [ 180.739374] ? __switch_to_asm+0x34/0x70 [ 180.743434] ? __switch_to_asm+0x40/0x70 [ 180.747497] ? __switch_to_asm+0x34/0x70 [ 180.751556] ? __switch_to_asm+0x40/0x70 [ 180.755623] ? __switch_to_asm+0x34/0x70 [ 180.759685] ? __switch_to_asm+0x34/0x70 [ 180.763746] ? __switch_to_asm+0x40/0x70 [ 180.767805] ? __switch_to_asm+0x34/0x70 [ 180.771875] bpf_clone_redirect+0xb9/0x490 [ 180.776151] ? __schedule+0x874/0x1ed0 [ 180.780046] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 180.785064] ? __sched_text_start+0x8/0x8 [ 180.789226] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 180.794003] ? find_held_lock+0x36/0x1c0 [ 180.798075] ? lock_acquire+0x1ed/0x520 [ 180.802045] ? bpf_test_run+0x32e/0x5a0 [ 180.806016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 180.811563] ? check_preemption_disabled+0x48/0x200 [ 180.816596] ? kasan_check_read+0x11/0x20 [ 180.820751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 180.826032] ? rcu_bh_qs+0xc0/0xc0 [ 180.829576] ? preempt_schedule+0x4d/0x60 [ 180.833725] ? ___preempt_schedule+0x16/0x18 [ 180.838155] ? bpf_test_run+0x1c0/0x5a0 [ 180.842142] ? netlink_diag_dump+0x2a0/0x2a0 [ 180.846552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 180.852191] ? bpf_test_init.isra.9+0x70/0x100 [ 180.856861] ? bpf_prog_test_run_skb+0x634/0xb40 [ 180.861626] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 180.866475] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 180.872012] ? fput+0x130/0x1a0 [ 180.875300] ? __bpf_prog_get+0x9b/0x290 [ 180.879369] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 180.884213] ? bpf_prog_test_run+0x130/0x1a0 [ 180.888628] ? __x64_sys_bpf+0x3d8/0x510 [ 180.892715] ? bpf_prog_get+0x20/0x20 [ 180.896524] ? ksys_ioctl+0x81/0xd0 [ 180.900335] ? do_syscall_64+0x1b9/0x820 [ 180.904551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 180.909942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 180.914971] ? trace_hardirqs_off+0x300/0x300 [ 180.919480] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 180.924500] ? recalc_sigpending_tsk+0x180/0x180 [ 180.929252] ? kasan_check_write+0x14/0x20 [ 180.933501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 180.938357] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 180.943747] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 180.943753] warn_alloc_show_mem: 1 callbacks suppressed [ 180.943760] Mem-Info: [ 180.950956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.956334] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 180.956334] active_file:17 inactive_file:11 isolated_file:5 [ 180.956334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 180.956334] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 180.956334] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 180.956334] free:13528 free_pcp:440 free_cma:0 [ 180.958710] Call Trace: [ 180.968098] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 181.000943] [ 181.003517] Node 0 [ 181.031270] dump_stack+0x1c4/0x2b4 [ 181.033424] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 181.035635] ? dump_stack_print_info.cold.2+0x52/0x52 [ 181.039244] lowmem_reserve[]: 0 [ 181.064767] warn_alloc.cold.118+0xb7/0x1bd [ 181.069923] 2815 6318 [ 181.073217] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 181.077507] 6318 [ 181.080019] ? lock_downgrade+0x900/0x900 [ 181.084837] Node 0 [ 181.086903] ? trace_hardirqs_off+0xb8/0x300 [ 181.091050] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 181.093268] ? trace_hardirqs_off+0xb8/0x300 [ 181.097654] lowmem_reserve[]: 0 [ 181.124829] __alloc_pages_slowpath+0x2667/0x2d80 [ 181.129204] 0 3503 3503 [ 181.132524] ? warn_alloc+0x120/0x120 [ 181.137318] Node 0 [ 181.139992] ? warn_alloc+0x120/0x120 [ 181.143812] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 181.146020] ? print_usage_bug+0xc0/0xc0 [ 181.149791] lowmem_reserve[]: 0 [ 181.178247] ? warn_alloc+0x120/0x120 [ 181.182286] 0 [ 181.185564] ? print_usage_bug+0xc0/0xc0 [ 181.189343] 0 [ 181.191135] ? __lock_acquire+0x7ec/0x4ec0 [ 181.195172] 0 [ 181.196973] ? __lock_acquire+0x7ec/0x4ec0 [ 181.203000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 181.207219] Node 0 [ 181.212747] ? should_fail+0x22d/0xd01 [ 181.212757] DMA: [ 181.214992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 181.218860] 1*4kB [ 181.220919] ? __lock_acquire+0x7ec/0x4ec0 [ 181.225994] (U) 0*8kB [ 181.228178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 181.232382] 0*16kB 1*32kB [ 181.234895] ? __lock_acquire+0x7ec/0x4ec0 [ 181.239998] (U) [ 181.242835] ? should_fail+0x22d/0xd01 [ 181.247043] 2*64kB (U) [ 181.249031] ? mark_held_locks+0x130/0x130 [ 181.252903] 1*128kB (U) [ 181.255511] ? mark_held_locks+0x130/0x130 [ 181.259715] 1*256kB (U) [ 181.262390] ? graph_lock+0x170/0x170 [ 181.266602] 0*512kB [ 181.269265] ? graph_lock+0x170/0x170 [ 181.273042] 1*1024kB [ 181.275363] ? graph_lock+0x170/0x170 [ 181.279142] (U) [ 181.281547] ? print_usage_bug+0xc0/0xc0 [ 181.285328] 1*2048kB [ 181.287297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.287315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.291359] (M) [ 181.293768] ? check_preemption_disabled+0x48/0x200 [ 181.299284] 3*4096kB [ 181.304814] ? check_preemption_disabled+0x48/0x200 [ 181.306760] (M) = 15908kB [ 181.311788] ? __lock_is_held+0xb5/0x140 [ 181.314170] Node 0 [ 181.319183] __alloc_pages_nodemask+0xa80/0xde0 [ 181.321912] DMA32: [ 181.325984] ? graph_lock+0x170/0x170 [ 181.328207] 4*4kB (UM) [ 181.332880] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 181.335093] 3*8kB (UM) [ 181.338921] ? graph_lock+0x170/0x170 [ 181.341491] 1*16kB [ 181.346530] ? find_held_lock+0x36/0x1c0 [ 181.349117] (M) [ 181.352917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 181.355145] 2*32kB (UM) [ 181.359235] ? lock_downgrade+0x900/0x900 [ 181.361194] 3*64kB (UM) 4*128kB (UM) [ 181.365891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.368546] 2*256kB (M) [ 181.372701] cache_grow_begin+0x91/0x8c0 [ 181.376483] 4*512kB [ 181.382023] ? do_raw_spin_unlock+0xa7/0x2f0 [ 181.384673] (UM) 3*1024kB [ 181.388741] fallback_alloc+0x203/0x2e0 [ 181.391038] (M) [ 181.395445] ____cache_alloc_node+0x1c7/0x1e0 [ 181.398267] 1*2048kB [ 181.402247] kmem_cache_alloc_node+0xe3/0x730 [ 181.404198] (M) [ 181.408696] ? ipv6_get_ifaddr+0x42e/0x620 [ 181.411084] 4*4096kB [ 181.415576] __alloc_skb+0x119/0x770 [ 181.417524] (M) [ 181.421765] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 181.424154] = 24888kB [ 181.427861] ? skb_scrub_packet+0x490/0x490 [ 181.429817] Node 0 [ 181.435089] ? lock_downgrade+0x900/0x900 [ 181.437489] Normal: [ 181.441813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.444022] 1035*4kB [ 181.448162] ? refcount_sub_and_test_checked+0x203/0x310 [ 181.450500] (MEH) [ 181.456032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 181.458412] 457*8kB (UMEH) [ 181.463879] ? addrconf_rs_timer+0x6f0/0x6f0 [ 181.466022] 163*16kB (MEH) [ 181.471517] ndisc_alloc_skb+0x144/0x340 [ 181.474408] 58*32kB (UMEH) [ 181.478838] ndisc_send_rs+0x331/0x6e0 [ 181.481740] 13*64kB (UMH) [ 181.485807] addrconf_rs_timer+0x3c0/0x6f0 [ 181.488718] 2*128kB [ 181.492619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.495441] (H) [ 181.499681] call_timer_fn+0x272/0x920 [ 181.501966] 0*256kB 0*512kB [ 181.506244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.508698] 0*1024kB 0*2048kB [ 181.512603] ? process_timeout+0x40/0x40 [ 181.515610] 0*4096kB [ 181.519830] ? find_held_lock+0x36/0x1c0 [ 181.519866] ? __run_timers+0x7da/0xc70 [ 181.523045] = 13348kB [ 181.527122] ? _raw_spin_unlock_irq+0x27/0x80 [ 181.529516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 181.533563] ? _raw_spin_unlock_irq+0x27/0x80 [ 181.537534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 181.539934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.544410] 412 total pagecache pages [ 181.553245] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 181.557722] 0 pages in swap cache [ 181.566289] ? trace_hardirqs_on+0xbd/0x310 [ 181.570511] Swap cache stats: add 0, delete 0, find 0/0 [ 181.574301] ? kasan_check_read+0x11/0x20 [ 181.578855] Free swap = 0kB [ 181.578864] Total swap = 0kB [ 181.582312] ? __run_timers+0x7da/0xc70 [ 181.586618] 1965979 pages RAM [ 181.591975] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 181.596105] 0 pages HighMem/MovableOnly [ 181.599118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.602109] 343323 pages reserved [ 181.606093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 181.609174] 0 pages cma reserved [ 181.614619] __run_timers+0x7e5/0xc70 [ 181.618634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 181.622807] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 181.626302] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 181.630476] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 181.633820] syz-executor3 cpuset= [ 181.637616] ? graph_lock+0x170/0x170 [ 181.644083] syz3 [ 181.649441] ? enqueue_hrtimer+0x1a5/0x560 [ 181.659907] mems_allowed=0 [ 181.664914] ? lock_release+0x970/0x970 [ 181.664942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 181.690422] ? find_held_lock+0x36/0x1c0 [ 181.694497] ? graph_lock+0x170/0x170 [ 181.698311] ? pvclock_read_flags+0x160/0x160 [ 181.702809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.708350] ? check_preemption_disabled+0x48/0x200 [ 181.713378] ? __lock_is_held+0xb5/0x140 [ 181.717442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.722978] ? check_preemption_disabled+0x48/0x200 [ 181.728008] run_timer_softirq+0x52/0xb0 [ 181.732085] ? rcu_read_lock_sched_held+0x108/0x120 [ 181.737107] __do_softirq+0x30b/0xad8 [ 181.740917] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 181.746027] ? pvclock_read_flags+0x160/0x160 [ 181.750521] ? lapic_next_event+0x5a/0x90 [ 181.754681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.760216] ? check_preemption_disabled+0x48/0x200 [ 181.765231] ? check_preemption_disabled+0x48/0x200 [ 181.770259] ? kvm_clock_read+0x18/0x30 [ 181.774233] ? kvm_sched_clock_read+0x9/0x20 [ 181.778659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.784193] ? check_preemption_disabled+0x48/0x200 [ 181.789221] irq_exit+0x17f/0x1c0 [ 181.792683] smp_apic_timer_interrupt+0x1cb/0x760 [ 181.797529] ? smp_reschedule_interrupt+0x109/0x650 [ 181.802554] ? smp_call_function_single_interrupt+0x650/0x650 [ 181.808445] ? interrupt_entry+0xb5/0xf0 [ 181.812517] ? trace_hardirqs_off_caller+0xbb/0x300 [ 181.817532] ? trace_hardirqs_off_caller+0xbb/0x300 [ 181.822552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 181.827395] ? trace_hardirqs_off+0x300/0x300 [ 181.831889] ? trace_hardirqs_off+0x300/0x300 [ 181.836391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.841931] ? check_preemption_disabled+0x48/0x200 [ 181.846949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 181.852502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 181.857355] apic_timer_interrupt+0xf/0x20 [ 181.861584] [ 181.863826] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 181.868770] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 181.887671] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 181.895388] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 181.902655] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 181.909921] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 181.917185] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 181.924450] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 181.931770] skb_clone+0x1bb/0x500 [ 181.935318] ? finish_task_switch+0x1b5/0x900 [ 181.939814] ? skb_split+0x11e0/0x11e0 [ 181.943702] ? preempt_notifier_register+0x200/0x200 [ 181.948804] ? __switch_to_asm+0x34/0x70 [ 181.952869] ? __switch_to_asm+0x34/0x70 [ 181.956949] ? __switch_to_asm+0x40/0x70 [ 181.961009] ? __switch_to_asm+0x34/0x70 [ 181.965093] ? __switch_to_asm+0x40/0x70 [ 181.969154] ? __switch_to_asm+0x34/0x70 [ 181.973212] ? __switch_to_asm+0x40/0x70 [ 181.977274] ? __switch_to_asm+0x34/0x70 [ 181.981337] ? __switch_to_asm+0x34/0x70 [ 181.985399] ? __switch_to_asm+0x40/0x70 [ 181.989489] ? __switch_to_asm+0x34/0x70 [ 181.993575] bpf_clone_redirect+0xb9/0x490 [ 181.997822] ? __schedule+0x874/0x1ed0 [ 182.001720] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 182.006742] ? __sched_text_start+0x8/0x8 [ 182.010903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 182.015667] ? find_held_lock+0x36/0x1c0 [ 182.019737] ? lock_acquire+0x1ed/0x520 [ 182.023711] ? bpf_test_run+0x32e/0x5a0 [ 182.027694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.033230] ? check_preemption_disabled+0x48/0x200 [ 182.038254] ? kasan_check_read+0x11/0x20 [ 182.042408] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 182.047687] ? rcu_bh_qs+0xc0/0xc0 [ 182.051242] ? preempt_schedule+0x4d/0x60 [ 182.055399] ? ___preempt_schedule+0x16/0x18 [ 182.059814] ? bpf_test_run+0x1c0/0x5a0 [ 182.063816] ? netlink_diag_dump+0x2a0/0x2a0 [ 182.068237] ? bpf_prog_test_run_skb+0x295/0xb40 [ 182.073001] ? bpf_prog_test_run_skb+0x634/0xb40 [ 182.077765] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.082611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 182.088147] ? fput+0x130/0x1a0 [ 182.091431] ? __bpf_prog_get+0x9b/0x290 [ 182.095499] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.100345] ? bpf_prog_test_run+0x130/0x1a0 [ 182.104758] ? __x64_sys_bpf+0x3d8/0x510 [ 182.108819] ? bpf_prog_get+0x20/0x20 [ 182.112645] ? do_syscall_64+0x1b9/0x820 [ 182.116710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 182.122073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 182.127018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.131866] ? trace_hardirqs_off+0x300/0x300 [ 182.136376] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 182.141396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.146956] ? prepare_exit_to_usermode+0x291/0x3b0 [ 182.152003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.156861] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.162249] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 182.162318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 182.169449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.169454] Call Trace: [ 182.169462] [ 182.169479] dump_stack+0x1c4/0x2b4 [ 182.169502] ? dump_stack_print_info.cold.2+0x52/0x52 [ 182.176033] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 182.185344] warn_alloc.cold.118+0xb7/0x1bd [ 182.187900] syz-executor3 cpuset= [ 182.190071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 182.193672] syz3 [ 182.198857] ? lock_downgrade+0x900/0x900 [ 182.209313] mems_allowed=0 [ 182.230926] ? trace_hardirqs_off+0xb8/0x300 [ 182.235346] ? trace_hardirqs_off+0xb8/0x300 [ 182.239765] __alloc_pages_slowpath+0x2667/0x2d80 [ 182.244645] ? warn_alloc+0x120/0x120 [ 182.248452] ? warn_alloc+0x120/0x120 [ 182.252270] ? print_usage_bug+0xc0/0xc0 [ 182.256329] ? warn_alloc+0x120/0x120 [ 182.260134] ? print_usage_bug+0xc0/0xc0 [ 182.264200] ? __lock_acquire+0x7ec/0x4ec0 [ 182.268443] ? __lock_acquire+0x7ec/0x4ec0 [ 182.272678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.278226] ? should_fail+0x22d/0xd01 [ 182.282120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.287240] ? __lock_acquire+0x7ec/0x4ec0 [ 182.291519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 182.296637] ? __lock_acquire+0x7ec/0x4ec0 [ 182.300870] ? should_fail+0x22d/0xd01 [ 182.304773] ? mark_held_locks+0x130/0x130 [ 182.309015] ? mark_held_locks+0x130/0x130 [ 182.313254] ? graph_lock+0x170/0x170 [ 182.317058] ? graph_lock+0x170/0x170 [ 182.320865] ? graph_lock+0x170/0x170 [ 182.324667] ? print_usage_bug+0xc0/0xc0 [ 182.328755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.334311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.339872] ? check_preemption_disabled+0x48/0x200 [ 182.344889] ? check_preemption_disabled+0x48/0x200 [ 182.349922] ? __lock_is_held+0xb5/0x140 [ 182.353996] __alloc_pages_nodemask+0xa80/0xde0 [ 182.358673] ? graph_lock+0x170/0x170 [ 182.362492] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 182.367512] ? graph_lock+0x170/0x170 [ 182.371360] ? find_held_lock+0x36/0x1c0 [ 182.375435] ? ____cache_alloc_node+0x1c7/0x1e0 [ 182.380106] ? lock_downgrade+0x900/0x900 [ 182.384297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.389885] cache_grow_begin+0x91/0x8c0 [ 182.393946] ? do_raw_spin_unlock+0xa7/0x2f0 [ 182.398375] fallback_alloc+0x203/0x2e0 [ 182.402603] ____cache_alloc_node+0x1c7/0x1e0 [ 182.407109] kmem_cache_alloc_node+0xe3/0x730 [ 182.411609] ? ipv6_get_ifaddr+0x42e/0x620 [ 182.415885] __alloc_skb+0x119/0x770 [ 182.419617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 182.424900] ? skb_scrub_packet+0x490/0x490 [ 182.429230] ? lock_downgrade+0x900/0x900 [ 182.433389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.438942] ? refcount_sub_and_test_checked+0x203/0x310 [ 182.444427] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 182.449880] ? addrconf_rs_timer+0x6f0/0x6f0 [ 182.454323] ndisc_alloc_skb+0x144/0x340 [ 182.458695] ndisc_send_rs+0x331/0x6e0 [ 182.462594] addrconf_rs_timer+0x3c0/0x6f0 [ 182.466841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.471087] call_timer_fn+0x272/0x920 [ 182.474993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.479246] ? process_timeout+0x40/0x40 [ 182.483308] ? find_held_lock+0x36/0x1c0 [ 182.487383] ? __run_timers+0x7da/0xc70 [ 182.491367] ? _raw_spin_unlock_irq+0x27/0x80 [ 182.495865] ? _raw_spin_unlock_irq+0x27/0x80 [ 182.500365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.504606] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 182.509192] ? trace_hardirqs_on+0xbd/0x310 [ 182.513524] ? kasan_check_read+0x11/0x20 [ 182.517674] ? __run_timers+0x7da/0xc70 [ 182.521651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 182.527117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 182.531355] __run_timers+0x7e5/0xc70 [ 182.535176] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 182.540551] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 182.545571] ? graph_lock+0x170/0x170 [ 182.549375] ? enqueue_hrtimer+0x1a5/0x560 [ 182.553608] ? lock_release+0x970/0x970 [ 182.557583] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 182.562777] ? find_held_lock+0x36/0x1c0 [ 182.566868] ? graph_lock+0x170/0x170 [ 182.570688] ? pvclock_read_flags+0x160/0x160 [ 182.575228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.580764] ? check_preemption_disabled+0x48/0x200 [ 182.585793] ? __lock_is_held+0xb5/0x140 [ 182.589859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.595395] ? check_preemption_disabled+0x48/0x200 [ 182.600423] run_timer_softirq+0x52/0xb0 [ 182.604486] ? rcu_read_lock_sched_held+0x108/0x120 [ 182.609505] __do_softirq+0x30b/0xad8 [ 182.613322] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 182.618428] ? pvclock_read_flags+0x160/0x160 [ 182.622920] ? lapic_next_event+0x5a/0x90 [ 182.627069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.632607] ? check_preemption_disabled+0x48/0x200 [ 182.637633] ? check_preemption_disabled+0x48/0x200 [ 182.642674] ? kvm_clock_read+0x18/0x30 [ 182.646647] ? kvm_sched_clock_read+0x9/0x20 [ 182.651056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.656596] ? check_preemption_disabled+0x48/0x200 [ 182.661626] irq_exit+0x17f/0x1c0 [ 182.665082] smp_apic_timer_interrupt+0x1cb/0x760 [ 182.669925] ? smp_reschedule_interrupt+0x109/0x650 [ 182.674944] ? smp_call_function_single_interrupt+0x650/0x650 [ 182.680827] ? interrupt_entry+0xb5/0xf0 [ 182.684903] ? trace_hardirqs_off_caller+0xbb/0x300 [ 182.689958] ? trace_hardirqs_off_caller+0xbb/0x300 [ 182.694979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.699833] ? trace_hardirqs_off+0x300/0x300 [ 182.704323] ? trace_hardirqs_off+0x300/0x300 [ 182.708830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.714365] ? check_preemption_disabled+0x48/0x200 [ 182.719695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.725246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 182.730228] apic_timer_interrupt+0xf/0x20 [ 182.734457] [ 182.736698] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 182.741631] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 182.760529] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 182.768235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 182.775499] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 182.782763] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 182.790026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 182.797295] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 182.804618] skb_clone+0x1bb/0x500 [ 182.808161] ? finish_task_switch+0x664/0x900 [ 182.812670] ? skb_split+0x11e0/0x11e0 [ 182.816559] ? preempt_notifier_register+0x200/0x200 [ 182.821662] ? __switch_to_asm+0x34/0x70 [ 182.825727] ? __switch_to_asm+0x34/0x70 [ 182.829788] ? __switch_to_asm+0x40/0x70 [ 182.833849] ? __switch_to_asm+0x34/0x70 [ 182.837913] ? __switch_to_asm+0x40/0x70 [ 182.841970] ? __switch_to_asm+0x34/0x70 [ 182.846045] ? __switch_to_asm+0x40/0x70 [ 182.850137] ? __switch_to_asm+0x34/0x70 [ 182.854219] ? __switch_to_asm+0x34/0x70 [ 182.858280] ? __switch_to_asm+0x40/0x70 [ 182.862339] ? __switch_to_asm+0x34/0x70 [ 182.866413] bpf_clone_redirect+0xb9/0x490 [ 182.870658] ? __schedule+0x874/0x1ed0 [ 182.874566] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 182.879610] ? __sched_text_start+0x8/0x8 [ 182.883759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 182.888531] ? find_held_lock+0x36/0x1c0 [ 182.892600] ? lock_acquire+0x1ed/0x520 [ 182.896579] ? bpf_test_run+0x32e/0x5a0 [ 182.900553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.906087] ? check_preemption_disabled+0x48/0x200 [ 182.911108] ? kasan_check_read+0x11/0x20 [ 182.915259] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 182.920534] ? rcu_bh_qs+0xc0/0xc0 [ 182.924075] ? preempt_schedule+0x4d/0x60 [ 182.928240] ? ___preempt_schedule+0x16/0x18 [ 182.932658] ? bpf_test_run+0x1c0/0x5a0 [ 182.936643] ? netlink_diag_dump+0x2a0/0x2a0 [ 182.941074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.946609] ? bpf_test_init.isra.9+0x70/0x100 [ 182.951197] ? bpf_prog_test_run_skb+0x634/0xb40 [ 182.955974] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.960825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 182.966372] ? fput+0x130/0x1a0 [ 182.969657] ? __bpf_prog_get+0x9b/0x290 [ 182.973719] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 182.978571] ? bpf_prog_test_run+0x130/0x1a0 [ 182.982996] ? __x64_sys_bpf+0x3d8/0x510 [ 182.987058] ? bpf_prog_get+0x20/0x20 [ 182.990868] ? ksys_ioctl+0x81/0xd0 [ 182.994507] ? do_syscall_64+0x1b9/0x820 [ 182.998571] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 183.003937] ? syscall_return_slowpath+0x5e0/0x5e0 [ 183.008869] ? trace_hardirqs_off+0x300/0x300 [ 183.013368] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 183.018382] ? recalc_sigpending_tsk+0x180/0x180 [ 183.023191] ? kasan_check_write+0x14/0x20 [ 183.027441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.032312] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.037716] warn_alloc_show_mem: 1 callbacks suppressed [ 183.037728] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 183.037730] Mem-Info: [ 183.037760] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 183.037760] active_file:17 inactive_file:11 isolated_file:5 [ 183.037760] unevictable:0 dirty:0 writeback:0 unstable:0 [ 183.037760] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 183.037760] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 183.037760] free:13528 free_pcp:440 free_cma:0 [ 183.043109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.050301] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 183.052697] Call Trace: [ 183.085564] Node 0 [ 183.094917] [ 183.122687] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 183.125251] dump_stack+0x1c4/0x2b4 [ 183.127463] lowmem_reserve[]: [ 183.129614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 183.155088] 0 2815 [ 183.158737] warn_alloc.cold.118+0xb7/0x1bd [ 183.161806] 6318 6318 [ 183.167011] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 183.173573] ? lock_downgrade+0x900/0x900 [ 183.176049] Node 0 [ 183.180894] ? trace_hardirqs_off+0xb8/0x300 [ 183.185082] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 183.187290] ? trace_hardirqs_off+0xb8/0x300 [ 183.191670] lowmem_reserve[]: [ 183.218820] __alloc_pages_slowpath+0x2667/0x2d80 [ 183.223201] 0 [ 183.226326] ? warn_alloc+0x120/0x120 [ 183.231120] 0 [ 183.232919] ? warn_alloc+0x120/0x120 [ 183.236694] 3503 [ 183.238500] ? print_usage_bug+0xc0/0xc0 [ 183.242286] 3503 [ 183.244343] ? warn_alloc+0x120/0x120 [ 183.250440] ? print_usage_bug+0xc0/0xc0 [ 183.254221] Node 0 Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 183.258306] ? __lock_acquire+0x7ec/0x4ec0 [ 183.258323] ? __lock_acquire+0x7ec/0x4ec0 [ 183.287369] lowmem_reserve[]: [ 183.291604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 183.295813] 0 [ 183.298916] ? should_fail+0x22d/0xd01 [ 183.304427] 0 [ 183.306230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 183.310093] 0 [ 183.311895] ? __lock_acquire+0x7ec/0x4ec0 [ 183.316978] 0 [ 183.318781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 183.325052] ? __lock_acquire+0x7ec/0x4ec0 [ 183.330237] Node 0 [ 183.334494] ? should_fail+0x22d/0xd01 [ 183.334505] DMA: [ 183.336745] ? mark_held_locks+0x130/0x130 [ 183.340770] 1*4kB [ 183.342838] ? mark_held_locks+0x130/0x130 [ 183.347047] (U) [ 183.349199] ? graph_lock+0x170/0x170 [ 183.353418] 0*8kB [ 183.355388] ? graph_lock+0x170/0x170 [ 183.359168] 0*16kB [ 183.361327] ? graph_lock+0x170/0x170 [ 183.365106] 1*32kB [ 183.367338] ? print_usage_bug+0xc0/0xc0 [ 183.371112] (U) [ 183.373347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.377381] 2*64kB (U) [ 183.379367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.384874] 1*128kB (U) [ 183.387462] ? check_preemption_disabled+0x48/0x200 [ 183.392973] 1*256kB [ 183.395646] ? check_preemption_disabled+0x48/0x200 [ 183.400642] (U) [ 183.402975] ? __lock_is_held+0xb5/0x140 [ 183.407968] 0*512kB [ 183.409941] __alloc_pages_nodemask+0xa80/0xde0 [ 183.413978] 1*1024kB [ 183.416296] ? graph_lock+0x170/0x170 [ 183.420937] (U) 1*2048kB [ 183.423356] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 183.427129] (M) [ 183.429885] ? graph_lock+0x170/0x170 [ 183.434878] 3*4096kB [ 183.436853] ? find_held_lock+0x36/0x1c0 [ 183.440624] (M) [ 183.443047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 183.447078] = 15908kB [ 183.449064] ? lock_downgrade+0x900/0x900 [ 183.453707] Node 0 [ 183.456116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.460237] DMA32: 4*4kB [ 183.462488] cache_grow_begin+0x91/0x8c0 [ 183.467993] (UM) 3*8kB [ 183.470757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 183.474792] (UM) [ 183.477375] fallback_alloc+0x203/0x2e0 [ 183.481763] 1*16kB [ 183.483826] ____cache_alloc_node+0x1c7/0x1e0 [ 183.487772] (M) [ 183.490007] kmem_cache_alloc_node+0xe3/0x730 [ 183.494483] 2*32kB [ 183.496461] ? ipv6_get_ifaddr+0x42e/0x620 [ 183.500927] (UM) [ 183.503166] __alloc_skb+0x119/0x770 [ 183.507830] 3*64kB (UM) [ 183.509905] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 183.513592] 4*128kB [ 183.516258] ? skb_scrub_packet+0x490/0x490 [ 183.521522] (UM) [ 183.523858] ? lock_downgrade+0x900/0x900 [ 183.528148] 2*256kB (M) [ 183.530242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.534362] 4*512kB [ 183.537044] ? refcount_sub_and_test_checked+0x203/0x310 [ 183.542568] (UM) [ 183.544889] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 183.550316] 3*1024kB [ 183.552371] ? addrconf_rs_timer+0x6f0/0x6f0 [ 183.557807] (M) [ 183.560221] ndisc_alloc_skb+0x144/0x340 [ 183.564596] 1*2048kB (M) [ 183.566578] ndisc_send_rs+0x331/0x6e0 [ 183.570614] 4*4096kB [ 183.573366] addrconf_rs_timer+0x3c0/0x6f0 [ 183.577233] (M) [ 183.579646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.583854] = 24888kB [ 183.585834] call_timer_fn+0x272/0x920 [ 183.590034] Node 0 [ 183.592440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.596303] Normal: [ 183.598534] ? process_timeout+0x40/0x40 [ 183.602747] 1035*4kB [ 183.605067] ? find_held_lock+0x36/0x1c0 [ 183.609103] (MEH) [ 183.611526] ? __run_timers+0x7da/0xc70 [ 183.615555] 457*8kB (UMEH) [ 183.617713] ? _raw_spin_unlock_irq+0x27/0x80 [ 183.621678] 163*16kB [ 183.624602] ? _raw_spin_unlock_irq+0x27/0x80 [ 183.629070] (MEH) 58*32kB [ 183.631495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.635952] (UMEH) 13*64kB [ 183.638803] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 183.643005] (UMH) 2*128kB [ 183.645944] ? trace_hardirqs_on+0xbd/0x310 [ 183.650502] (H) [ 183.653360] ? kasan_check_read+0x11/0x20 [ 183.657657] 0*256kB [ 183.659638] ? __run_timers+0x7da/0xc70 [ 183.663942] 0*512kB 0*1024kB [ 183.666277] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 183.670228] 0*2048kB 0*4096kB [ 183.673343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.678768] = 13348kB [ 183.681957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 183.686185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 183.688589] __run_timers+0x7e5/0xc70 [ 183.692804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 183.701636] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 183.705402] 412 total pagecache pages [ 183.713969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 183.719318] 0 pages in swap cache [ 183.723108] ? graph_lock+0x170/0x170 [ 183.728100] Swap cache stats: add 0, delete 0, find 0/0 [ 183.728110] Free swap = 0kB [ 183.731561] ? enqueue_hrtimer+0x1a5/0x560 [ 183.735339] Total swap = 0kB [ 183.740697] ? lock_release+0x970/0x970 [ 183.740714] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 183.743718] 1965979 pages RAM [ 183.747949] ? find_held_lock+0x36/0x1c0 [ 183.750944] 0 pages HighMem/MovableOnly [ 183.754912] ? graph_lock+0x170/0x170 [ 183.760083] 343323 pages reserved [ 183.760092] 0 pages cma reserved [ 183.763207] ? pvclock_read_flags+0x160/0x160 [ 183.767340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 183.771244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.775080] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 183.778554] ? check_preemption_disabled+0x48/0x200 [ 183.781897] syz-executor3 cpuset= [ 183.786392] ? __lock_is_held+0xb5/0x140 [ 183.792887] syz3 [ 183.798432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.808911] mems_allowed=0 [ 183.813923] ? check_preemption_disabled+0x48/0x200 [ 183.836840] run_timer_softirq+0x52/0xb0 [ 183.840907] ? rcu_read_lock_sched_held+0x108/0x120 [ 183.845924] __do_softirq+0x30b/0xad8 [ 183.849740] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 183.854852] ? pvclock_read_flags+0x160/0x160 [ 183.859348] ? lapic_next_event+0x5a/0x90 [ 183.863502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.869041] ? check_preemption_disabled+0x48/0x200 [ 183.874062] ? check_preemption_disabled+0x48/0x200 [ 183.879087] ? kvm_clock_read+0x18/0x30 [ 183.883072] ? kvm_sched_clock_read+0x9/0x20 [ 183.887492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.893026] ? check_preemption_disabled+0x48/0x200 [ 183.898054] irq_exit+0x17f/0x1c0 [ 183.901524] smp_apic_timer_interrupt+0x1cb/0x760 [ 183.906367] ? smp_reschedule_interrupt+0x109/0x650 [ 183.911386] ? smp_call_function_single_interrupt+0x650/0x650 [ 183.917276] ? interrupt_entry+0xb5/0xf0 [ 183.921359] ? trace_hardirqs_off_caller+0xbb/0x300 [ 183.926376] ? trace_hardirqs_off_caller+0xbb/0x300 [ 183.931392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.936245] ? trace_hardirqs_off+0x300/0x300 [ 183.940736] ? trace_hardirqs_off+0x300/0x300 [ 183.945231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.950768] ? check_preemption_disabled+0x48/0x200 [ 183.955781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 183.961321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.966174] apic_timer_interrupt+0xf/0x20 [ 183.970430] [ 183.972666] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 183.977598] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 183.996500] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 184.004207] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 184.011493] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 184.018760] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 184.026027] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 184.033290] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 184.040628] skb_clone+0x1bb/0x500 [ 184.044181] ? finish_task_switch+0x1b5/0x900 [ 184.048679] ? skb_split+0x11e0/0x11e0 [ 184.052567] ? preempt_notifier_register+0x200/0x200 [ 184.057665] ? __switch_to_asm+0x34/0x70 [ 184.061723] ? __switch_to_asm+0x34/0x70 [ 184.065786] ? __switch_to_asm+0x40/0x70 [ 184.069845] ? __switch_to_asm+0x34/0x70 [ 184.073901] ? __switch_to_asm+0x40/0x70 [ 184.077962] ? __switch_to_asm+0x34/0x70 [ 184.082023] ? __switch_to_asm+0x40/0x70 [ 184.086094] ? __switch_to_asm+0x34/0x70 [ 184.090155] ? __switch_to_asm+0x34/0x70 [ 184.094211] ? __switch_to_asm+0x40/0x70 [ 184.098282] ? __switch_to_asm+0x34/0x70 [ 184.102351] bpf_clone_redirect+0xb9/0x490 [ 184.106594] ? __schedule+0x874/0x1ed0 [ 184.110497] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 184.115519] ? __sched_text_start+0x8/0x8 [ 184.119676] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 184.124443] ? find_held_lock+0x36/0x1c0 [ 184.128515] ? lock_acquire+0x1ed/0x520 [ 184.132495] ? bpf_test_run+0x32e/0x5a0 [ 184.136487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.142027] ? check_preemption_disabled+0x48/0x200 [ 184.147047] ? kasan_check_read+0x11/0x20 [ 184.151198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 184.156473] ? rcu_bh_qs+0xc0/0xc0 [ 184.160021] ? preempt_schedule+0x4d/0x60 [ 184.164171] ? ___preempt_schedule+0x16/0x18 [ 184.168588] ? bpf_test_run+0x1c0/0x5a0 [ 184.172575] ? netlink_diag_dump+0x2a0/0x2a0 [ 184.177014] ? bpf_prog_test_run_skb+0x295/0xb40 [ 184.181793] ? bpf_prog_test_run_skb+0x634/0xb40 [ 184.186556] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 184.191399] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 184.196933] ? fput+0x130/0x1a0 [ 184.200216] ? __bpf_prog_get+0x9b/0x290 [ 184.204299] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 184.209142] ? bpf_prog_test_run+0x130/0x1a0 [ 184.213555] ? __x64_sys_bpf+0x3d8/0x510 [ 184.217618] ? bpf_prog_get+0x20/0x20 [ 184.221439] ? do_syscall_64+0x1b9/0x820 [ 184.225506] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 184.230904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 184.235856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 184.240699] ? trace_hardirqs_off+0x300/0x300 [ 184.245209] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 184.250228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.255767] ? prepare_exit_to_usermode+0x291/0x3b0 [ 184.260793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 184.265650] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.271039] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 184.271107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 184.278234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.278240] Call Trace: [ 184.278247] [ 184.278265] dump_stack+0x1c4/0x2b4 [ 184.278285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 184.284828] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 184.294120] warn_alloc.cold.118+0xb7/0x1bd [ 184.296677] syz-executor3 cpuset= [ 184.298822] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 184.302425] syz3 [ 184.307611] ? lock_downgrade+0x900/0x900 [ 184.318077] mems_allowed=0 [ 184.322398] ? trace_hardirqs_off+0xb8/0x300 [ 184.344079] ? trace_hardirqs_off+0xb8/0x300 [ 184.348522] __alloc_pages_slowpath+0x2667/0x2d80 [ 184.353403] ? warn_alloc+0x120/0x120 [ 184.357222] ? warn_alloc+0x120/0x120 [ 184.361025] ? print_usage_bug+0xc0/0xc0 [ 184.365089] ? warn_alloc+0x120/0x120 [ 184.368893] ? print_usage_bug+0xc0/0xc0 [ 184.372971] ? __lock_acquire+0x7ec/0x4ec0 [ 184.377224] ? __lock_acquire+0x7ec/0x4ec0 [ 184.381460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 184.387004] ? should_fail+0x22d/0xd01 [ 184.390900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.396010] ? __lock_acquire+0x7ec/0x4ec0 [ 184.400511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 184.405611] ? __lock_acquire+0x7ec/0x4ec0 [ 184.409843] ? should_fail+0x22d/0xd01 [ 184.413746] ? mark_held_locks+0x130/0x130 [ 184.417996] ? mark_held_locks+0x130/0x130 [ 184.422238] ? graph_lock+0x170/0x170 [ 184.426036] ? graph_lock+0x170/0x170 [ 184.429842] ? graph_lock+0x170/0x170 [ 184.433641] ? print_usage_bug+0xc0/0xc0 [ 184.437701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.443245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.448788] ? check_preemption_disabled+0x48/0x200 [ 184.453811] ? check_preemption_disabled+0x48/0x200 [ 184.458838] ? __lock_is_held+0xb5/0x140 [ 184.462903] __alloc_pages_nodemask+0xa80/0xde0 [ 184.467577] ? graph_lock+0x170/0x170 [ 184.471384] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 184.476413] ? graph_lock+0x170/0x170 [ 184.480243] ? find_held_lock+0x36/0x1c0 [ 184.484324] ? ____cache_alloc_node+0x1c7/0x1e0 [ 184.488999] ? lock_downgrade+0x900/0x900 [ 184.493514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.499058] cache_grow_begin+0x91/0x8c0 [ 184.503118] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.507549] fallback_alloc+0x203/0x2e0 [ 184.511550] ____cache_alloc_node+0x1c7/0x1e0 [ 184.516054] kmem_cache_alloc_node+0xe3/0x730 [ 184.520550] ? ipv6_get_ifaddr+0x42e/0x620 [ 184.524796] __alloc_skb+0x119/0x770 [ 184.528509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 184.533788] ? skb_scrub_packet+0x490/0x490 [ 184.538108] ? lock_downgrade+0x900/0x900 [ 184.542266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.547806] ? refcount_sub_and_test_checked+0x203/0x310 [ 184.553261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 184.558715] ? addrconf_rs_timer+0x6f0/0x6f0 [ 184.563143] ndisc_alloc_skb+0x144/0x340 [ 184.567219] ndisc_send_rs+0x331/0x6e0 [ 184.571112] addrconf_rs_timer+0x3c0/0x6f0 [ 184.575352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.579595] call_timer_fn+0x272/0x920 [ 184.583483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.587733] ? process_timeout+0x40/0x40 [ 184.591834] ? find_held_lock+0x36/0x1c0 [ 184.595914] ? __run_timers+0x7da/0xc70 [ 184.599891] ? _raw_spin_unlock_irq+0x27/0x80 [ 184.604398] ? _raw_spin_unlock_irq+0x27/0x80 [ 184.608892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.613124] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 184.617708] ? trace_hardirqs_on+0xbd/0x310 [ 184.622029] ? kasan_check_read+0x11/0x20 [ 184.626185] ? __run_timers+0x7da/0xc70 [ 184.630182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 184.635641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.639885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 184.644122] __run_timers+0x7e5/0xc70 [ 184.647947] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 184.653311] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 184.658325] ? graph_lock+0x170/0x170 [ 184.662127] ? enqueue_hrtimer+0x1a5/0x560 [ 184.666359] ? lock_release+0x970/0x970 [ 184.670339] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 184.675535] ? find_held_lock+0x36/0x1c0 [ 184.679603] ? graph_lock+0x170/0x170 [ 184.683408] ? pvclock_read_flags+0x160/0x160 [ 184.687906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.693445] ? check_preemption_disabled+0x48/0x200 [ 184.698556] ? __lock_is_held+0xb5/0x140 [ 184.702617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.708155] ? check_preemption_disabled+0x48/0x200 [ 184.713225] run_timer_softirq+0x52/0xb0 [ 184.717282] ? rcu_read_lock_sched_held+0x108/0x120 [ 184.722301] __do_softirq+0x30b/0xad8 [ 184.726114] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 184.731228] ? pvclock_read_flags+0x160/0x160 [ 184.735772] ? lapic_next_event+0x5a/0x90 [ 184.739923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.745457] ? check_preemption_disabled+0x48/0x200 [ 184.750470] ? check_preemption_disabled+0x48/0x200 [ 184.755504] ? kvm_clock_read+0x18/0x30 [ 184.759479] ? kvm_sched_clock_read+0x9/0x20 [ 184.763888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.769423] ? check_preemption_disabled+0x48/0x200 [ 184.774454] irq_exit+0x17f/0x1c0 [ 184.777914] smp_apic_timer_interrupt+0x1cb/0x760 [ 184.782760] ? smp_reschedule_interrupt+0x109/0x650 [ 184.787778] ? smp_call_function_single_interrupt+0x650/0x650 [ 184.793661] ? interrupt_entry+0xb5/0xf0 [ 184.797725] ? trace_hardirqs_off_caller+0xbb/0x300 [ 184.802739] ? trace_hardirqs_off_caller+0xbb/0x300 [ 184.807761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 184.812718] ? trace_hardirqs_off+0x300/0x300 [ 184.817222] ? trace_hardirqs_off+0x300/0x300 [ 184.821718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.827257] ? check_preemption_disabled+0x48/0x200 [ 184.832274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.837820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 184.842675] apic_timer_interrupt+0xf/0x20 [ 184.846907] [ 184.849145] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 184.854075] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 184.872973] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 184.880693] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 184.887972] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 184.895257] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 184.902524] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 184.909789] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 184.917099] skb_clone+0x1bb/0x500 [ 184.920640] ? finish_task_switch+0x664/0x900 [ 184.925141] ? skb_split+0x11e0/0x11e0 [ 184.929038] ? preempt_notifier_register+0x200/0x200 [ 184.934142] ? __switch_to_asm+0x34/0x70 [ 184.938199] ? __switch_to_asm+0x34/0x70 [ 184.942270] ? __switch_to_asm+0x40/0x70 [ 184.946331] ? __switch_to_asm+0x34/0x70 [ 184.950390] ? __switch_to_asm+0x40/0x70 [ 184.954462] ? __switch_to_asm+0x34/0x70 [ 184.958519] ? __switch_to_asm+0x40/0x70 [ 184.962602] ? __switch_to_asm+0x34/0x70 [ 184.966688] ? __switch_to_asm+0x34/0x70 [ 184.970745] ? __switch_to_asm+0x40/0x70 [ 184.974802] ? __switch_to_asm+0x34/0x70 [ 184.978882] bpf_clone_redirect+0xb9/0x490 [ 184.983117] ? __schedule+0x874/0x1ed0 [ 184.987014] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 184.992029] ? __sched_text_start+0x8/0x8 [ 184.996175] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.000951] ? find_held_lock+0x36/0x1c0 [ 185.005026] ? lock_acquire+0x1ed/0x520 [ 185.009005] ? bpf_test_run+0x32e/0x5a0 [ 185.012980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.018544] ? check_preemption_disabled+0x48/0x200 [ 185.023563] ? kasan_check_read+0x11/0x20 [ 185.027714] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 185.033004] ? rcu_bh_qs+0xc0/0xc0 [ 185.036560] ? preempt_schedule+0x4d/0x60 [ 185.040707] ? ___preempt_schedule+0x16/0x18 [ 185.045123] ? bpf_test_run+0x1c0/0x5a0 [ 185.049109] ? netlink_diag_dump+0x2a0/0x2a0 [ 185.053524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.059056] ? bpf_test_init.isra.9+0x70/0x100 [ 185.063644] ? bpf_prog_test_run_skb+0x634/0xb40 [ 185.068409] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 185.073277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 185.078820] ? fput+0x130/0x1a0 [ 185.082101] ? __bpf_prog_get+0x9b/0x290 [ 185.086211] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 185.091047] ? bpf_prog_test_run+0x130/0x1a0 [ 185.095458] ? __x64_sys_bpf+0x3d8/0x510 [ 185.099524] ? bpf_prog_get+0x20/0x20 [ 185.103336] ? ksys_ioctl+0x81/0xd0 [ 185.106991] ? do_syscall_64+0x1b9/0x820 [ 185.111046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 185.116410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 185.121339] ? trace_hardirqs_off+0x300/0x300 [ 185.125850] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 185.130869] ? recalc_sigpending_tsk+0x180/0x180 [ 185.135624] ? kasan_check_write+0x14/0x20 [ 185.139870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.144732] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 185.150111] warn_alloc_show_mem: 1 callbacks suppressed [ 185.150123] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 185.150126] Mem-Info: [ 185.150156] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 185.150156] active_file:17 inactive_file:11 isolated_file:5 [ 185.150156] unevictable:0 dirty:0 writeback:0 unstable:0 [ 185.150156] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 185.150156] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 185.150156] free:13528 free_pcp:440 free_cma:0 [ 185.155505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.162697] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 185.165096] Call Trace: [ 185.198313] Node 0 [ 185.207668] [ 185.235439] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 185.238020] dump_stack+0x1c4/0x2b4 [ 185.240232] lowmem_reserve[]: [ 185.242377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 185.267856] 0 [ 185.271495] warn_alloc.cold.118+0xb7/0x1bd [ 185.274567] 2815 [ 185.279754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 185.281537] 6318 [ 185.285851] ? lock_downgrade+0x900/0x900 [ 185.287888] 6318 [ 185.292730] ? trace_hardirqs_off+0xb8/0x300 [ 185.298910] ? trace_hardirqs_off+0xb8/0x300 [ 185.300990] Node 0 [ 185.305408] __alloc_pages_slowpath+0x2667/0x2d80 [ 185.309812] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 185.312043] ? warn_alloc+0x120/0x120 [ 185.316833] lowmem_reserve[]: 0 [ 185.344290] ? warn_alloc+0x120/0x120 [ 185.348070] 0 [ 185.351348] ? print_usage_bug+0xc0/0xc0 [ 185.355124] 3503 [ 185.356923] ? warn_alloc+0x120/0x120 [ 185.360981] 3503 [ 185.363048] ? print_usage_bug+0xc0/0xc0 [ 185.368884] ? __lock_acquire+0x7ec/0x4ec0 [ 185.372920] Node 0 [ 185.377144] ? __lock_acquire+0x7ec/0x4ec0 [ 185.377192] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 185.379401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.383614] lowmem_reserve[]: [ 185.412061] ? should_fail+0x22d/0xd01 [ 185.417574] 0 [ 185.420678] ? __lock_acquire+0x7ec/0x4ec0 [ 185.424545] 0 [ 185.426348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 185.430560] 0 [ 185.432357] ? __lock_acquire+0x7ec/0x4ec0 [ 185.437435] 0 [ 185.439236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 185.445269] ? __lock_acquire+0x7ec/0x4ec0 [ 185.450353] Node 0 [ 185.454578] ? should_fail+0x22d/0xd01 [ 185.454589] DMA: [ 185.456831] ? mark_held_locks+0x130/0x130 [ 185.460690] 1*4kB [ 185.462753] ? mark_held_locks+0x130/0x130 [ 185.466960] (U) 0*8kB [ 185.469134] ? graph_lock+0x170/0x170 [ 185.473348] 0*16kB [ 185.475844] ? print_usage_bug+0xc0/0xc0 [ 185.479619] 1*32kB (U) [ 185.481866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.485914] 2*64kB [ 185.488503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.494016] (U) [ 185.496256] ? check_preemption_disabled+0x48/0x200 [ 185.501772] 1*128kB [ 185.503747] ? check_preemption_disabled+0x48/0x200 [ 185.509235] (U) [ 185.511571] ? __lock_is_held+0xb5/0x140 [ 185.516555] 1*256kB [ 185.518534] __alloc_pages_nodemask+0xa80/0xde0 [ 185.522568] (U) [ 185.524886] ? graph_lock+0x170/0x170 [ 185.529547] 0*512kB [ 185.531519] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 185.535293] 1*1024kB [ 185.537632] ? graph_lock+0x170/0x170 [ 185.542634] (U) [ 185.545047] ? find_held_lock+0x36/0x1c0 [ 185.548821] 1*2048kB [ 185.550797] ? ____cache_alloc_node+0x1c7/0x1e0 [ 185.554824] (M) [ 185.557232] ? lock_downgrade+0x900/0x900 [ 185.561869] 3*4096kB (M) [ 185.563857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.567977] = 15908kB [ 185.570729] cache_grow_begin+0x91/0x8c0 [ 185.576251] Node 0 [ 185.578689] ? do_raw_spin_unlock+0xa7/0x2f0 [ 185.582723] DMA32: [ 185.584961] fallback_alloc+0x203/0x2e0 [ 185.589340] 4*4kB [ 185.591576] ____cache_alloc_node+0x1c7/0x1e0 [ 185.595525] (UM) [ 185.597675] kmem_cache_alloc_node+0xe3/0x730 [ 185.602141] 3*8kB [ 185.604201] ? ipv6_get_ifaddr+0x42e/0x620 [ 185.608680] (UM) [ 185.610842] __alloc_skb+0x119/0x770 [ 185.615063] 1*16kB [ 185.617126] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 185.620813] (M) [ 185.623045] ? skb_scrub_packet+0x490/0x490 [ 185.628295] 2*32kB [ 185.630266] ? lock_downgrade+0x900/0x900 [ 185.634560] (UM) [ 185.636797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.640916] 3*64kB [ 185.642992] ? refcount_sub_and_test_checked+0x203/0x310 [ 185.648509] (UM) [ 185.650742] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 185.656168] 4*128kB [ 185.658220] ? addrconf_rs_timer+0x6f0/0x6f0 [ 185.658248] ndisc_alloc_skb+0x144/0x340 [ 185.663669] (UM) [ 185.665988] ndisc_send_rs+0x331/0x6e0 [ 185.670388] 2*256kB [ 185.674447] addrconf_rs_timer+0x3c0/0x6f0 [ 185.676495] (M) [ 185.680380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.682692] 4*512kB [ 185.686931] call_timer_fn+0x272/0x920 [ 185.688877] (UM) [ 185.693112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.695414] 3*1024kB [ 185.699299] ? process_timeout+0x40/0x40 [ 185.701366] (M) [ 185.705595] ? find_held_lock+0x36/0x1c0 [ 185.708014] 1*2048kB [ 185.712076] ? __run_timers+0x7da/0xc70 [ 185.714020] (M) [ 185.718080] ? _raw_spin_unlock_irq+0x27/0x80 [ 185.720461] 4*4096kB (M) [ 185.724448] ? _raw_spin_unlock_irq+0x27/0x80 [ 185.726400] = 24888kB [ 185.726409] Node 0 [ 185.730899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.733631] Normal: [ 185.738117] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 185.740505] 1035*4kB [ 185.742736] ? trace_hardirqs_on+0xbd/0x310 [ 185.746944] (MEH) [ 185.749261] ? kasan_check_read+0x11/0x20 [ 185.753823] 457*8kB [ 185.756222] ? __run_timers+0x7da/0xc70 [ 185.756254] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 185.760562] (UMEH) [ 185.762718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 185.766829] 163*16kB (MEH) [ 185.769156] __run_timers+0x7e5/0xc70 [ 185.773103] 58*32kB [ 185.778559] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 185.780765] (UMEH) [ 185.785004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 185.787928] 13*64kB [ 185.791725] ? graph_lock+0x170/0x170 [ 185.794024] (UMH) [ 185.799384] ? enqueue_hrtimer+0x1a5/0x560 [ 185.801602] 2*128kB [ 185.806615] ? lock_release+0x970/0x970 [ 185.808919] (H) [ 185.812717] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 185.814846] 0*256kB [ 185.819075] ? find_held_lock+0x36/0x1c0 [ 185.821373] 0*512kB 0*1024kB [ 185.825360] ? graph_lock+0x170/0x170 [ 185.827318] 0*2048kB [ 185.832510] ? pvclock_read_flags+0x160/0x160 [ 185.834819] 0*4096kB [ 185.838874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.841968] = 13348kB [ 185.845763] ? check_preemption_disabled+0x48/0x200 [ 185.848161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.852650] ? __lock_is_held+0xb5/0x140 [ 185.855042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.860571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.862963] 412 total pagecache pages [ 185.867976] ? check_preemption_disabled+0x48/0x200 [ 185.876803] 0 pages in swap cache [ 185.880863] run_timer_softirq+0x52/0xb0 [ 185.889415] Swap cache stats: add 0, delete 0, find 0/0 [ 185.894949] ? rcu_read_lock_sched_held+0x108/0x120 [ 185.898724] Free swap = 0kB [ 185.903735] __do_softirq+0x30b/0xad8 [ 185.907174] Total swap = 0kB [ 185.911250] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 185.916580] 1965979 pages RAM [ 185.921594] ? pvclock_read_flags+0x160/0x160 [ 185.924584] 0 pages HighMem/MovableOnly [ 185.924593] 343323 pages reserved [ 185.928398] ? lapic_next_event+0x5a/0x90 [ 185.931388] 0 pages cma reserved [ 185.931482] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 185.936501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.939686] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 185.944073] ? check_preemption_disabled+0x48/0x200 [ 185.948031] syz-executor3 cpuset= [ 185.951477] ? check_preemption_disabled+0x48/0x200 [ 185.951506] ? kvm_clock_read+0x18/0x30 [ 185.955629] syz3 [ 185.958989] ? kvm_sched_clock_read+0x9/0x20 [ 185.965477] mems_allowed=0 [ 185.971027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.013804] ? check_preemption_disabled+0x48/0x200 [ 186.018834] irq_exit+0x17f/0x1c0 [ 186.022314] smp_apic_timer_interrupt+0x1cb/0x760 [ 186.027160] ? smp_reschedule_interrupt+0x109/0x650 [ 186.032182] ? smp_call_function_single_interrupt+0x650/0x650 [ 186.038072] ? interrupt_entry+0xb5/0xf0 [ 186.042154] ? trace_hardirqs_off_caller+0xbb/0x300 [ 186.047169] ? trace_hardirqs_off_caller+0xbb/0x300 [ 186.052187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.057033] ? trace_hardirqs_off+0x300/0x300 [ 186.061530] ? trace_hardirqs_off+0x300/0x300 [ 186.066028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.071561] ? check_preemption_disabled+0x48/0x200 [ 186.076577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.082135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.086987] apic_timer_interrupt+0xf/0x20 [ 186.091223] [ 186.093468] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 186.098423] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 186.117330] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 186.125046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 186.132317] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 186.139600] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 186.146870] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 186.154137] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 186.161451] skb_clone+0x1bb/0x500 [ 186.165003] ? finish_task_switch+0x1b5/0x900 [ 186.169507] ? skb_split+0x11e0/0x11e0 [ 186.173395] ? preempt_notifier_register+0x200/0x200 [ 186.178506] ? __switch_to_asm+0x34/0x70 [ 186.182570] ? __switch_to_asm+0x34/0x70 [ 186.186643] ? __switch_to_asm+0x40/0x70 [ 186.190702] ? __switch_to_asm+0x34/0x70 [ 186.194761] ? __switch_to_asm+0x40/0x70 [ 186.198826] ? __switch_to_asm+0x34/0x70 [ 186.202888] ? __switch_to_asm+0x40/0x70 [ 186.206959] ? __switch_to_asm+0x34/0x70 [ 186.211017] ? __switch_to_asm+0x34/0x70 [ 186.215075] ? __switch_to_asm+0x40/0x70 [ 186.219142] ? __switch_to_asm+0x34/0x70 [ 186.223237] bpf_clone_redirect+0xb9/0x490 [ 186.227474] ? __schedule+0x874/0x1ed0 [ 186.231376] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 186.236410] ? __sched_text_start+0x8/0x8 [ 186.240571] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 186.245330] ? find_held_lock+0x36/0x1c0 [ 186.249410] ? lock_acquire+0x1ed/0x520 [ 186.253384] ? bpf_test_run+0x32e/0x5a0 [ 186.257360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.262896] ? check_preemption_disabled+0x48/0x200 [ 186.267920] ? kasan_check_read+0x11/0x20 [ 186.272078] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 186.277357] ? rcu_bh_qs+0xc0/0xc0 [ 186.280914] ? preempt_schedule+0x4d/0x60 [ 186.285077] ? ___preempt_schedule+0x16/0x18 [ 186.289500] ? bpf_test_run+0x1c0/0x5a0 [ 186.293493] ? netlink_diag_dump+0x2a0/0x2a0 [ 186.297929] ? bpf_prog_test_run_skb+0x295/0xb40 [ 186.302703] ? bpf_prog_test_run_skb+0x634/0xb40 [ 186.307467] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 186.312314] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 186.317870] ? fput+0x130/0x1a0 [ 186.321177] ? __bpf_prog_get+0x9b/0x290 [ 186.325246] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 186.330087] ? bpf_prog_test_run+0x130/0x1a0 [ 186.334513] ? __x64_sys_bpf+0x3d8/0x510 [ 186.338577] ? bpf_prog_get+0x20/0x20 [ 186.342399] ? do_syscall_64+0x1b9/0x820 [ 186.346459] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 186.351834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 186.356764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.361610] ? trace_hardirqs_off+0x300/0x300 [ 186.366113] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 186.371140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.376692] ? prepare_exit_to_usermode+0x291/0x3b0 [ 186.381718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.386571] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.391967] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 186.392053] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 186.399430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.399434] Call Trace: [ 186.399438] [ 186.399450] dump_stack+0x1c4/0x2b4 [ 186.399460] ? dump_stack_print_info.cold.2+0x52/0x52 [ 186.399475] warn_alloc.cold.118+0xb7/0x1bd [ 186.399484] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 186.399500] ? lock_downgrade+0x900/0x900 [ 186.399521] ? trace_hardirqs_off+0xb8/0x300 [ 186.399540] ? trace_hardirqs_off+0xb8/0x300 [ 186.399563] __alloc_pages_slowpath+0x2667/0x2d80 [ 186.406147] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 186.415455] ? warn_alloc+0x120/0x120 [ 186.418022] syz-executor3 cpuset= [ 186.420178] ? trace_hardirqs_on+0x310/0x310 [ 186.423780] syz3 [ 186.428999] ? warn_alloc+0x120/0x120 [ 186.433294] mems_allowed=0 [ 186.438129] ? print_usage_bug+0xc0/0xc0 [ 186.490704] ? warn_alloc+0x120/0x120 [ 186.494508] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 186.499527] ? print_usage_bug+0xc0/0xc0 [ 186.503618] ? __lock_acquire+0x7ec/0x4ec0 [ 186.507853] ? __lock_acquire+0x7ec/0x4ec0 [ 186.512105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 186.517648] ? should_fail+0x22d/0xd01 [ 186.521545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 186.526649] ? __lock_acquire+0x7ec/0x4ec0 [ 186.530890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 186.535996] ? __lock_acquire+0x7ec/0x4ec0 [ 186.540236] ? should_fail+0x22d/0xd01 [ 186.544123] ? print_usage_bug+0xc0/0xc0 [ 186.548198] ? mark_held_locks+0x130/0x130 [ 186.552456] ? mark_held_locks+0x130/0x130 [ 186.556706] ? graph_lock+0x170/0x170 [ 186.560506] ? print_usage_bug+0xc0/0xc0 [ 186.564572] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 186.569332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.574881] ? check_preemption_disabled+0x48/0x200 [ 186.579902] ? check_preemption_disabled+0x48/0x200 [ 186.584931] ? __lock_is_held+0xb5/0x140 [ 186.589008] __alloc_pages_nodemask+0xa80/0xde0 [ 186.593688] ? graph_lock+0x170/0x170 [ 186.597496] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 186.602516] ? graph_lock+0x170/0x170 [ 186.606334] ? find_held_lock+0x36/0x1c0 [ 186.610412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 186.615083] ? lock_downgrade+0x900/0x900 [ 186.619249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.624795] cache_grow_begin+0x91/0x8c0 [ 186.628858] ? do_raw_spin_unlock+0xa7/0x2f0 [ 186.633284] fallback_alloc+0x203/0x2e0 [ 186.637268] ____cache_alloc_node+0x1c7/0x1e0 [ 186.641772] kmem_cache_alloc_node+0xe3/0x730 [ 186.646272] ? ipv6_get_ifaddr+0x42e/0x620 [ 186.650522] __alloc_skb+0x119/0x770 [ 186.654245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 186.659532] ? skb_scrub_packet+0x490/0x490 [ 186.663856] ? lock_downgrade+0x900/0x900 [ 186.668020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.673560] ? refcount_sub_and_test_checked+0x203/0x310 [ 186.679026] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 186.684478] ? addrconf_rs_timer+0x6f0/0x6f0 [ 186.688899] ndisc_alloc_skb+0x144/0x340 [ 186.693142] ndisc_send_rs+0x331/0x6e0 [ 186.697037] addrconf_rs_timer+0x3c0/0x6f0 [ 186.701282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.705532] call_timer_fn+0x272/0x920 [ 186.709419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.713655] ? process_timeout+0x40/0x40 [ 186.717720] ? find_held_lock+0x36/0x1c0 [ 186.721789] ? __run_timers+0x7da/0xc70 [ 186.725765] ? _raw_spin_unlock_irq+0x27/0x80 [ 186.730284] ? _raw_spin_unlock_irq+0x27/0x80 [ 186.734780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.739017] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 186.743601] ? trace_hardirqs_on+0xbd/0x310 [ 186.747925] ? kasan_check_read+0x11/0x20 [ 186.752076] ? __run_timers+0x7da/0xc70 [ 186.756055] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 186.761511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.765754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 186.769996] __run_timers+0x7e5/0xc70 [ 186.773812] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 186.779182] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 186.784219] ? graph_lock+0x170/0x170 [ 186.788024] ? enqueue_hrtimer+0x1a5/0x560 [ 186.792260] ? lock_release+0x970/0x970 [ 186.796241] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 186.801438] ? find_held_lock+0x36/0x1c0 [ 186.805548] ? graph_lock+0x170/0x170 [ 186.809355] ? pvclock_read_flags+0x160/0x160 [ 186.813856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.819393] ? check_preemption_disabled+0x48/0x200 [ 186.824424] ? __lock_is_held+0xb5/0x140 [ 186.828486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.834051] ? check_preemption_disabled+0x48/0x200 [ 186.839074] run_timer_softirq+0x52/0xb0 [ 186.843149] ? rcu_read_lock_sched_held+0x108/0x120 [ 186.848170] __do_softirq+0x30b/0xad8 [ 186.851981] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 186.857096] ? pvclock_read_flags+0x160/0x160 [ 186.861601] ? lapic_next_event+0x5a/0x90 [ 186.865754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.871299] ? check_preemption_disabled+0x48/0x200 [ 186.876320] ? check_preemption_disabled+0x48/0x200 [ 186.881344] ? kvm_clock_read+0x18/0x30 [ 186.885318] ? kvm_sched_clock_read+0x9/0x20 [ 186.889734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.895270] ? check_preemption_disabled+0x48/0x200 [ 186.900327] irq_exit+0x17f/0x1c0 [ 186.903783] smp_apic_timer_interrupt+0x1cb/0x760 [ 186.908636] ? smp_reschedule_interrupt+0x109/0x650 [ 186.913745] ? smp_call_function_single_interrupt+0x650/0x650 [ 186.919630] ? interrupt_entry+0xb5/0xf0 [ 186.923695] ? trace_hardirqs_off_caller+0xbb/0x300 [ 186.928714] ? trace_hardirqs_off_caller+0xbb/0x300 [ 186.933732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.938600] ? trace_hardirqs_off+0x300/0x300 [ 186.943130] ? trace_hardirqs_off+0x300/0x300 [ 186.947636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.953171] ? check_preemption_disabled+0x48/0x200 [ 186.958187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.963737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.968590] apic_timer_interrupt+0xf/0x20 [ 186.972815] [ 186.975054] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 186.979992] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 186.998894] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 187.006601] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 187.013877] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 187.021156] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 187.028417] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 187.035681] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 187.043030] skb_clone+0x1bb/0x500 [ 187.046582] ? finish_task_switch+0x664/0x900 [ 187.051075] ? skb_split+0x11e0/0x11e0 [ 187.054962] ? preempt_notifier_register+0x200/0x200 [ 187.060068] ? __switch_to_asm+0x34/0x70 [ 187.064133] ? __switch_to_asm+0x34/0x70 [ 187.068196] ? __switch_to_asm+0x40/0x70 [ 187.072267] ? __switch_to_asm+0x34/0x70 [ 187.076328] ? __switch_to_asm+0x40/0x70 [ 187.080388] ? __switch_to_asm+0x34/0x70 [ 187.084448] ? __switch_to_asm+0x40/0x70 [ 187.088506] ? __switch_to_asm+0x34/0x70 [ 187.092565] ? __switch_to_asm+0x34/0x70 [ 187.096636] ? __switch_to_asm+0x40/0x70 [ 187.100707] ? __switch_to_asm+0x34/0x70 [ 187.104780] bpf_clone_redirect+0xb9/0x490 [ 187.109021] ? __schedule+0x874/0x1ed0 [ 187.112917] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 187.117941] ? __sched_text_start+0x8/0x8 [ 187.122085] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.126859] ? find_held_lock+0x36/0x1c0 [ 187.130926] ? lock_acquire+0x1ed/0x520 [ 187.134898] ? bpf_test_run+0x32e/0x5a0 [ 187.138876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.144416] ? check_preemption_disabled+0x48/0x200 [ 187.149445] ? kasan_check_read+0x11/0x20 [ 187.153600] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 187.158882] ? rcu_bh_qs+0xc0/0xc0 [ 187.162423] ? preempt_schedule+0x4d/0x60 [ 187.166573] ? ___preempt_schedule+0x16/0x18 [ 187.170997] ? bpf_test_run+0x1c0/0x5a0 [ 187.174993] ? netlink_diag_dump+0x2a0/0x2a0 [ 187.179405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 187.184954] ? bpf_test_init.isra.9+0x70/0x100 [ 187.189558] ? bpf_prog_test_run_skb+0x634/0xb40 [ 187.194321] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 187.199161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 187.204700] ? fput+0x130/0x1a0 [ 187.207981] ? __bpf_prog_get+0x9b/0x290 [ 187.212052] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 187.216895] ? bpf_prog_test_run+0x130/0x1a0 [ 187.221333] ? __x64_sys_bpf+0x3d8/0x510 [ 187.225407] ? bpf_prog_get+0x20/0x20 [ 187.229232] ? ksys_ioctl+0x81/0xd0 [ 187.232873] ? do_syscall_64+0x1b9/0x820 [ 187.236946] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 187.242834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 187.247767] ? trace_hardirqs_off+0x300/0x300 [ 187.252262] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 187.257275] ? recalc_sigpending_tsk+0x180/0x180 [ 187.262030] ? kasan_check_write+0x14/0x20 [ 187.266279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 187.271142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.276519] warn_alloc_show_mem: 1 callbacks suppressed [ 187.276531] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 187.276533] Mem-Info: [ 187.276563] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 187.276563] active_file:17 inactive_file:11 isolated_file:5 [ 187.276563] unevictable:0 dirty:0 writeback:0 unstable:0 [ 187.276563] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 187.276563] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 187.276563] free:13528 free_pcp:440 free_cma:0 [ 187.281902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.281912] Call Trace: [ 187.289113] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 187.291512] [ 187.324385] Node 0 [ 187.333744] dump_stack+0x1c4/0x2b4 [ 187.336331] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 187.364065] ? dump_stack_print_info.cold.2+0x52/0x52 [ 187.366195] lowmem_reserve[]: [ 187.368450] warn_alloc.cold.118+0xb7/0x1bd [ 187.372043] 0 [ 187.397544] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 187.402709] 2815 [ 187.405810] ? lock_downgrade+0x900/0x900 [ 187.410106] 6318 [ 187.411908] ? trace_hardirqs_off+0xb8/0x300 [ 187.416729] 6318 [ 187.418805] ? trace_hardirqs_off+0xb8/0x300 [ 187.422939] Node 0 [ 187.425004] __alloc_pages_slowpath+0x2667/0x2d80 [ 187.429411] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 187.431467] ? warn_alloc+0x120/0x120 [ 187.435824] lowmem_reserve[]: 0 [ 187.438065] ? warn_alloc+0x120/0x120 [ 187.442879] 0 3503 [ 187.470071] ? print_usage_bug+0xc0/0xc0 [ 187.473994] 3503 [ 187.477284] ? warn_alloc+0x120/0x120 [ 187.481290] Node 0 [ 187.483538] ? print_usage_bug+0xc0/0xc0 [ 187.487905] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 187.489938] ? __lock_acquire+0x7ec/0x4ec0 [ 187.493876] lowmem_reserve[]: [ 187.496108] ? __lock_acquire+0x7ec/0x4ec0 [ 187.500414] 0 [ 187.529097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 187.533714] 0 [ 187.536804] ? should_fail+0x22d/0xd01 [ 187.541141] 0 [ 187.542946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 187.548830] 0 [ 187.550631] ? __lock_acquire+0x7ec/0x4ec0 [ 187.556407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 187.561680] Node 0 [ 187.563489] ? __lock_acquire+0x7ec/0x4ec0 [ 187.567824] DMA: 1*4kB [ 187.572940] ? should_fail+0x22d/0xd01 [ 187.575296] (U) [ 187.579537] ? mark_held_locks+0x130/0x130 [ 187.582230] 0*8kB 0*16kB [ 187.586120] ? mark_held_locks+0x130/0x130 [ 187.588224] 1*32kB (U) [ 187.592465] ? graph_lock+0x170/0x170 [ 187.595207] 2*64kB [ 187.599441] ? graph_lock+0x170/0x170 [ 187.602013] (U) [ 187.605809] ? graph_lock+0x170/0x170 [ 187.608036] 1*128kB [ 187.611831] ? print_usage_bug+0xc0/0xc0 [ 187.613790] (U) [ 187.617586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.619884] 1*256kB [ 187.623939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.625891] (U) [ 187.631422] ? check_preemption_disabled+0x48/0x200 [ 187.633722] 0*512kB 1*1024kB [ 187.639267] ? check_preemption_disabled+0x48/0x200 [ 187.641225] (U) [ 187.646247] ? __lock_is_held+0xb5/0x140 [ 187.649316] 1*2048kB (M) [ 187.654339] __alloc_pages_nodemask+0xa80/0xde0 [ 187.656319] 3*4096kB [ 187.660373] ? graph_lock+0x170/0x170 [ 187.663115] (M) = 15908kB [ 187.667791] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 187.670178] Node 0 [ 187.673972] ? graph_lock+0x170/0x170 [ 187.676708] DMA32: 4*4kB [ 187.681734] ? find_held_lock+0x36/0x1c0 [ 187.683941] (UM) [ 187.687742] ? ____cache_alloc_node+0x1c7/0x1e0 [ 187.690472] 3*8kB [ 187.694530] ? lock_downgrade+0x900/0x900 [ 187.696572] (UM) 1*16kB [ 187.701255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.703383] (M) [ 187.707528] cache_grow_begin+0x91/0x8c0 [ 187.710174] 2*32kB [ 187.715710] ? do_raw_spin_unlock+0xa7/0x2f0 [ 187.717656] (UM) 3*64kB [ 187.721727] fallback_alloc+0x203/0x2e0 [ 187.723940] (UM) [ 187.728353] ____cache_alloc_node+0x1c7/0x1e0 [ 187.731013] 4*128kB [ 187.734981] kmem_cache_alloc_node+0xe3/0x730 [ 187.737022] (UM) [ 187.741519] ? ipv6_get_ifaddr+0x42e/0x620 [ 187.743816] 2*256kB (M) [ 187.748329] __alloc_skb+0x119/0x770 [ 187.750369] 4*512kB [ 187.754600] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 187.757245] (UM) [ 187.760954] ? skb_scrub_packet+0x490/0x490 [ 187.763257] 3*1024kB [ 187.768531] ? lock_downgrade+0x900/0x900 [ 187.770573] (M) [ 187.774892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.777276] 1*2048kB [ 187.781422] ? refcount_sub_and_test_checked+0x203/0x310 [ 187.783377] (M) [ 187.788911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 187.791306] 4*4096kB [ 187.796756] ? addrconf_rs_timer+0x6f0/0x6f0 [ 187.798712] (M) [ 187.804170] ndisc_alloc_skb+0x144/0x340 [ 187.806554] = 24888kB [ 187.811030] ndisc_send_rs+0x331/0x6e0 [ 187.812999] Node 0 [ 187.817056] addrconf_rs_timer+0x3c0/0x6f0 [ 187.819454] Normal: [ 187.823339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.825553] 1035*4kB [ 187.829789] call_timer_fn+0x272/0x920 [ 187.832077] (MEH) 457*8kB [ 187.836323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.838705] (UMEH) 163*16kB [ 187.842598] ? process_timeout+0x40/0x40 [ 187.845418] (MEH) [ 187.849652] ? find_held_lock+0x36/0x1c0 [ 187.852650] 58*32kB [ 187.856713] ? __run_timers+0x7da/0xc70 [ 187.858826] (UMEH) 13*64kB [ 187.862894] ? _raw_spin_unlock_irq+0x27/0x80 [ 187.865188] (UMH) 2*128kB [ 187.869186] ? _raw_spin_unlock_irq+0x27/0x80 [ 187.872090] (H) 0*256kB [ 187.876601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.879421] 0*512kB 0*1024kB [ 187.883921] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 187.886584] 0*2048kB [ 187.890815] ? trace_hardirqs_on+0xbd/0x310 [ 187.893900] 0*4096kB [ 187.898475] ? kasan_check_read+0x11/0x20 [ 187.900864] = 13348kB [ 187.905183] ? __run_timers+0x7da/0xc70 [ 187.907579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 187.911717] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 187.914109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 187.918084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 187.926893] 412 total pagecache pages [ 187.932343] __run_timers+0x7e5/0xc70 [ 187.940898] 0 pages in swap cache [ 187.945150] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 187.948917] Swap cache stats: add 0, delete 0, find 0/0 [ 187.952710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 187.956141] Free swap = 0kB [ 187.961503] ? graph_lock+0x170/0x170 [ 187.966837] Total swap = 0kB [ 187.966846] 1965979 pages RAM [ 187.971865] ? enqueue_hrtimer+0x1a5/0x560 [ 187.974858] 0 pages HighMem/MovableOnly [ 187.974868] 343323 pages reserved [ 187.978659] ? lock_release+0x970/0x970 [ 187.978676] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 187.981675] 0 pages cma reserved [ 187.984779] ? find_held_lock+0x36/0x1c0 [ 187.989055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 187.992961] ? graph_lock+0x170/0x170 [ 187.996485] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 188.000371] ? pvclock_read_flags+0x160/0x160 [ 188.005537] syz-executor3 cpuset= [ 188.008903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.012931] syz3 [ 188.019421] ? check_preemption_disabled+0x48/0x200 [ 188.023205] mems_allowed=0 [ 188.033712] ? __lock_is_held+0xb5/0x140 [ 188.061153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.066693] ? check_preemption_disabled+0x48/0x200 [ 188.071721] run_timer_softirq+0x52/0xb0 [ 188.075783] ? rcu_read_lock_sched_held+0x108/0x120 [ 188.080805] __do_softirq+0x30b/0xad8 [ 188.084618] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 188.089728] ? pvclock_read_flags+0x160/0x160 [ 188.094232] ? lapic_next_event+0x5a/0x90 [ 188.098384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.103919] ? check_preemption_disabled+0x48/0x200 [ 188.108931] ? check_preemption_disabled+0x48/0x200 [ 188.113958] ? kvm_clock_read+0x18/0x30 [ 188.117962] ? kvm_sched_clock_read+0x9/0x20 [ 188.122371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.127910] ? check_preemption_disabled+0x48/0x200 [ 188.132954] irq_exit+0x17f/0x1c0 [ 188.136414] smp_apic_timer_interrupt+0x1cb/0x760 [ 188.141254] ? smp_reschedule_interrupt+0x109/0x650 [ 188.146286] ? smp_call_function_single_interrupt+0x650/0x650 [ 188.152174] ? interrupt_entry+0xb5/0xf0 [ 188.156246] ? trace_hardirqs_off_caller+0xbb/0x300 [ 188.161274] ? trace_hardirqs_off_caller+0xbb/0x300 [ 188.166295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 188.171139] ? trace_hardirqs_off+0x300/0x300 [ 188.175635] ? trace_hardirqs_off+0x300/0x300 [ 188.180137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.185679] ? check_preemption_disabled+0x48/0x200 [ 188.190696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.196259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 188.201126] apic_timer_interrupt+0xf/0x20 [ 188.205366] [ 188.207606] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 188.212535] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 188.231437] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 188.239143] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 188.246411] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 188.253680] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 188.260959] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 188.268239] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 188.275558] skb_clone+0x1bb/0x500 [ 188.279103] ? finish_task_switch+0x1b5/0x900 [ 188.283602] ? skb_split+0x11e0/0x11e0 [ 188.287498] ? preempt_notifier_register+0x200/0x200 [ 188.292615] ? __switch_to_asm+0x34/0x70 [ 188.296682] ? __switch_to_asm+0x34/0x70 [ 188.300742] ? __switch_to_asm+0x40/0x70 [ 188.304805] ? __switch_to_asm+0x34/0x70 [ 188.308864] ? __switch_to_asm+0x40/0x70 [ 188.312923] ? __switch_to_asm+0x34/0x70 [ 188.317003] ? __switch_to_asm+0x40/0x70 [ 188.321060] ? __switch_to_asm+0x34/0x70 [ 188.325136] ? __switch_to_asm+0x34/0x70 [ 188.329196] ? __switch_to_asm+0x40/0x70 [ 188.333265] ? __switch_to_asm+0x34/0x70 [ 188.337342] bpf_clone_redirect+0xb9/0x490 [ 188.341582] ? __schedule+0x874/0x1ed0 [ 188.345474] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 188.350506] ? __sched_text_start+0x8/0x8 [ 188.354688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.359448] ? find_held_lock+0x36/0x1c0 [ 188.363519] ? lock_acquire+0x1ed/0x520 [ 188.367494] ? bpf_test_run+0x32e/0x5a0 [ 188.371500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.377047] ? check_preemption_disabled+0x48/0x200 [ 188.382065] ? kasan_check_read+0x11/0x20 [ 188.386222] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 188.391506] ? rcu_bh_qs+0xc0/0xc0 [ 188.395051] ? preempt_schedule+0x4d/0x60 [ 188.399451] ? ___preempt_schedule+0x16/0x18 [ 188.403873] ? bpf_test_run+0x1c0/0x5a0 [ 188.407859] ? netlink_diag_dump+0x2a0/0x2a0 [ 188.412273] ? bpf_prog_test_run_skb+0x295/0xb40 [ 188.417037] ? bpf_prog_test_run_skb+0x634/0xb40 [ 188.421799] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 188.426644] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 188.432179] ? fput+0x130/0x1a0 [ 188.435460] ? __bpf_prog_get+0x9b/0x290 [ 188.439551] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 188.444393] ? bpf_prog_test_run+0x130/0x1a0 [ 188.448809] ? __x64_sys_bpf+0x3d8/0x510 [ 188.452873] ? bpf_prog_get+0x20/0x20 [ 188.456694] ? do_syscall_64+0x1b9/0x820 [ 188.460755] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 188.466120] ? syscall_return_slowpath+0x5e0/0x5e0 [ 188.471047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 188.475904] ? trace_hardirqs_off+0x300/0x300 [ 188.480402] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 188.485424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.490978] ? prepare_exit_to_usermode+0x291/0x3b0 [ 188.496002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 188.500860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.506240] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 188.506320] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 188.513434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.513439] Call Trace: [ 188.513446] [ 188.513464] dump_stack+0x1c4/0x2b4 [ 188.513483] ? dump_stack_print_info.cold.2+0x52/0x52 [ 188.520051] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 188.529334] warn_alloc.cold.118+0xb7/0x1bd [ 188.531890] syz-executor3 cpuset= [ 188.534038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 188.537642] syz3 [ 188.542848] ? lock_downgrade+0x900/0x900 [ 188.553326] mems_allowed=0 [ 188.557645] ? trace_hardirqs_off+0xb8/0x300 [ 188.579338] ? trace_hardirqs_off+0xb8/0x300 [ 188.583783] __alloc_pages_slowpath+0x2667/0x2d80 [ 188.588657] ? warn_alloc+0x120/0x120 [ 188.592468] ? warn_alloc+0x120/0x120 [ 188.596289] ? print_usage_bug+0xc0/0xc0 [ 188.600364] ? warn_alloc+0x120/0x120 [ 188.604168] ? print_usage_bug+0xc0/0xc0 [ 188.608239] ? __lock_acquire+0x7ec/0x4ec0 [ 188.612476] ? __lock_acquire+0x7ec/0x4ec0 [ 188.616714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 188.622251] ? should_fail+0x22d/0xd01 [ 188.626142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 188.631248] ? __lock_acquire+0x7ec/0x4ec0 [ 188.635486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 188.640598] ? __lock_acquire+0x7ec/0x4ec0 [ 188.644835] ? should_fail+0x22d/0xd01 [ 188.648738] ? mark_held_locks+0x130/0x130 [ 188.652995] ? mark_held_locks+0x130/0x130 [ 188.657256] ? graph_lock+0x170/0x170 [ 188.661067] ? graph_lock+0x170/0x170 [ 188.664885] ? graph_lock+0x170/0x170 [ 188.668684] ? print_usage_bug+0xc0/0xc0 [ 188.672746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.678288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.683827] ? check_preemption_disabled+0x48/0x200 [ 188.688843] ? check_preemption_disabled+0x48/0x200 [ 188.693870] ? __lock_is_held+0xb5/0x140 [ 188.697939] __alloc_pages_nodemask+0xa80/0xde0 [ 188.702612] ? graph_lock+0x170/0x170 [ 188.706420] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 188.711442] ? graph_lock+0x170/0x170 [ 188.715258] ? find_held_lock+0x36/0x1c0 [ 188.719329] ? ____cache_alloc_node+0x1c7/0x1e0 [ 188.724005] ? lock_downgrade+0x900/0x900 [ 188.728170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.733712] cache_grow_begin+0x91/0x8c0 [ 188.737781] ? do_raw_spin_unlock+0xa7/0x2f0 [ 188.742195] fallback_alloc+0x203/0x2e0 [ 188.746186] ____cache_alloc_node+0x1c7/0x1e0 [ 188.750692] kmem_cache_alloc_node+0xe3/0x730 [ 188.755199] ? ipv6_get_ifaddr+0x42e/0x620 [ 188.759475] __alloc_skb+0x119/0x770 [ 188.763226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 188.768520] ? skb_scrub_packet+0x490/0x490 [ 188.772842] ? lock_downgrade+0x900/0x900 [ 188.777008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.782550] ? refcount_sub_and_test_checked+0x203/0x310 [ 188.788010] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 188.793462] ? addrconf_rs_timer+0x6f0/0x6f0 [ 188.797889] ndisc_alloc_skb+0x144/0x340 [ 188.801980] ndisc_send_rs+0x331/0x6e0 [ 188.805880] addrconf_rs_timer+0x3c0/0x6f0 [ 188.810120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.814377] call_timer_fn+0x272/0x920 [ 188.818292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.822534] ? process_timeout+0x40/0x40 [ 188.826596] ? find_held_lock+0x36/0x1c0 [ 188.830665] ? __run_timers+0x7da/0xc70 [ 188.834644] ? _raw_spin_unlock_irq+0x27/0x80 [ 188.839153] ? _raw_spin_unlock_irq+0x27/0x80 [ 188.843642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.847879] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 188.852467] ? trace_hardirqs_on+0xbd/0x310 [ 188.856791] ? kasan_check_read+0x11/0x20 [ 188.860944] ? __run_timers+0x7da/0xc70 [ 188.864935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 188.870397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.874639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 188.878879] __run_timers+0x7e5/0xc70 [ 188.882727] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 188.888094] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 188.893111] ? graph_lock+0x170/0x170 [ 188.896916] ? enqueue_hrtimer+0x1a5/0x560 [ 188.901166] ? lock_release+0x970/0x970 [ 188.905167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 188.910370] ? find_held_lock+0x36/0x1c0 [ 188.914441] ? graph_lock+0x170/0x170 [ 188.918248] ? pvclock_read_flags+0x160/0x160 [ 188.922767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.928303] ? check_preemption_disabled+0x48/0x200 [ 188.933337] ? __lock_is_held+0xb5/0x140 [ 188.937404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.942965] ? check_preemption_disabled+0x48/0x200 [ 188.948006] run_timer_softirq+0x52/0xb0 [ 188.952083] ? rcu_read_lock_sched_held+0x108/0x120 [ 188.957118] __do_softirq+0x30b/0xad8 [ 188.960930] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 188.966051] ? pvclock_read_flags+0x160/0x160 [ 188.970562] ? lapic_next_event+0x5a/0x90 [ 188.974711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.980263] ? check_preemption_disabled+0x48/0x200 [ 188.985287] ? check_preemption_disabled+0x48/0x200 [ 188.990308] ? kvm_clock_read+0x18/0x30 [ 188.994285] ? kvm_sched_clock_read+0x9/0x20 [ 188.998711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.004247] ? check_preemption_disabled+0x48/0x200 [ 189.009304] irq_exit+0x17f/0x1c0 [ 189.012790] smp_apic_timer_interrupt+0x1cb/0x760 [ 189.017633] ? smp_reschedule_interrupt+0x109/0x650 [ 189.022655] ? smp_call_function_single_interrupt+0x650/0x650 [ 189.028541] ? interrupt_entry+0xb5/0xf0 [ 189.032603] ? trace_hardirqs_off_caller+0xbb/0x300 [ 189.037623] ? trace_hardirqs_off_caller+0xbb/0x300 [ 189.042644] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.047491] ? trace_hardirqs_off+0x300/0x300 [ 189.051994] ? trace_hardirqs_off+0x300/0x300 [ 189.056495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.062031] ? check_preemption_disabled+0x48/0x200 [ 189.067051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.072598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.077451] apic_timer_interrupt+0xf/0x20 [ 189.081680] [ 189.083923] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 189.088889] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 189.108138] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 189.115846] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 189.123115] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 189.130379] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 189.137641] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 189.144906] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 189.152227] skb_clone+0x1bb/0x500 [ 189.155773] ? finish_task_switch+0x664/0x900 [ 189.160267] ? skb_split+0x11e0/0x11e0 [ 189.164160] ? preempt_notifier_register+0x200/0x200 [ 189.169266] ? __switch_to_asm+0x34/0x70 [ 189.173325] ? __switch_to_asm+0x34/0x70 [ 189.177383] ? __switch_to_asm+0x40/0x70 [ 189.181441] ? __switch_to_asm+0x34/0x70 [ 189.185512] ? __switch_to_asm+0x40/0x70 [ 189.189573] ? __switch_to_asm+0x34/0x70 [ 189.193631] ? __switch_to_asm+0x40/0x70 [ 189.197699] ? __switch_to_asm+0x34/0x70 [ 189.201762] ? __switch_to_asm+0x34/0x70 [ 189.205820] ? __switch_to_asm+0x40/0x70 [ 189.209878] ? __switch_to_asm+0x34/0x70 [ 189.213947] bpf_clone_redirect+0xb9/0x490 [ 189.218186] ? __schedule+0x874/0x1ed0 [ 189.222086] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 189.227105] ? __sched_text_start+0x8/0x8 [ 189.231257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 189.236030] ? find_held_lock+0x36/0x1c0 [ 189.240102] ? lock_acquire+0x1ed/0x520 [ 189.244077] ? bpf_test_run+0x32e/0x5a0 [ 189.248054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.253591] ? check_preemption_disabled+0x48/0x200 [ 189.258613] ? kasan_check_read+0x11/0x20 [ 189.262767] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 189.268046] ? rcu_bh_qs+0xc0/0xc0 [ 189.271589] ? preempt_schedule+0x4d/0x60 [ 189.275742] ? ___preempt_schedule+0x16/0x18 [ 189.280164] ? bpf_test_run+0x1c0/0x5a0 [ 189.284170] ? netlink_diag_dump+0x2a0/0x2a0 [ 189.288609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.294142] ? bpf_test_init.isra.9+0x70/0x100 [ 189.298733] ? bpf_prog_test_run_skb+0x634/0xb40 [ 189.303495] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 189.308337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 189.313884] ? fput+0x130/0x1a0 [ 189.317173] ? __bpf_prog_get+0x9b/0x290 [ 189.321239] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 189.326078] ? bpf_prog_test_run+0x130/0x1a0 [ 189.330531] ? __x64_sys_bpf+0x3d8/0x510 [ 189.334590] ? bpf_prog_get+0x20/0x20 [ 189.338398] ? ksys_ioctl+0x81/0xd0 [ 189.342042] ? do_syscall_64+0x1b9/0x820 [ 189.346106] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.351478] ? syscall_return_slowpath+0x5e0/0x5e0 [ 189.356436] ? trace_hardirqs_off+0x300/0x300 [ 189.360937] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 189.365954] ? recalc_sigpending_tsk+0x180/0x180 [ 189.370730] ? kasan_check_write+0x14/0x20 [ 189.374976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.379851] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.385235] warn_alloc_show_mem: 1 callbacks suppressed [ 189.385247] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 189.385249] Mem-Info: [ 189.385291] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 189.385291] active_file:17 inactive_file:11 isolated_file:5 [ 189.385291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 189.385291] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 189.385291] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 189.385291] free:13528 free_pcp:440 free_cma:0 [ 189.390639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.397832] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 189.400244] Call Trace: [ 189.433126] Node 0 [ 189.442477] [ 189.470277] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.472857] dump_stack+0x1c4/0x2b4 [ 189.475074] lowmem_reserve[]: 0 [ 189.477233] ? dump_stack_print_info.cold.2+0x52/0x52 [ 189.502729] 2815 [ 189.506408] warn_alloc.cold.118+0xb7/0x1bd [ 189.510083] 6318 6318 [ 189.515296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 189.521653] ? lock_downgrade+0x900/0x900 [ 189.524130] Node 0 [ 189.528973] ? trace_hardirqs_off+0xb8/0x300 [ 189.533124] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 189.535333] ? trace_hardirqs_off+0xb8/0x300 [ 189.539713] lowmem_reserve[]: 0 [ 189.566879] __alloc_pages_slowpath+0x2667/0x2d80 [ 189.571261] 0 [ 189.574562] ? warn_alloc+0x120/0x120 [ 189.579349] 3503 3503 [ 189.581160] ? trace_hardirqs_on+0x310/0x310 [ 189.587429] ? warn_alloc+0x120/0x120 [ 189.591812] Node 0 [ 189.595607] ? print_usage_bug+0xc0/0xc0 [ 189.595638] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 189.595645] lowmem_reserve[]: [ 189.597879] ? warn_alloc+0x120/0x120 [ 189.601915] 0 [ 189.630369] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 189.633451] 0 [ 189.637245] ? print_usage_bug+0xc0/0xc0 [ 189.639022] 0 [ 189.644043] ? __lock_acquire+0x7ec/0x4ec0 [ 189.645818] 0 [ 189.649907] ? __lock_acquire+0x7ec/0x4ec0 [ 189.651705] Node 0 [ 189.655937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 189.657717] DMA: [ 189.661956] ? should_fail+0x22d/0xd01 [ 189.664170] 1*4kB [ 189.669701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 189.671738] (U) [ 189.675622] ? __lock_acquire+0x7ec/0x4ec0 [ 189.677751] 0*8kB [ 189.682847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 189.684803] 0*16kB [ 189.689031] ? __lock_acquire+0x7ec/0x4ec0 [ 189.691172] 1*32kB [ 189.696267] ? should_fail+0x22d/0xd01 [ 189.698493] (U) [ 189.702722] ? print_usage_bug+0xc0/0xc0 [ 189.704940] 2*64kB [ 189.708826] ? mark_held_locks+0x130/0x130 [ 189.710777] (U) [ 189.714831] ? mark_held_locks+0x130/0x130 [ 189.717045] 1*128kB [ 189.721288] ? graph_lock+0x170/0x170 [ 189.723251] (U) [ 189.727482] ? print_usage_bug+0xc0/0xc0 [ 189.729783] 1*256kB [ 189.733577] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 189.735524] (U) 0*512kB [ 189.739592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.741895] 1*1024kB [ 189.746648] ? check_preemption_disabled+0x48/0x200 [ 189.749300] (U) [ 189.754834] ? check_preemption_disabled+0x48/0x200 [ 189.757229] 1*2048kB [ 189.762252] ? __lock_is_held+0xb5/0x140 [ 189.764193] (M) [ 189.769207] __alloc_pages_nodemask+0xa80/0xde0 [ 189.771598] 3*4096kB [ 189.775652] ? graph_lock+0x170/0x170 [ 189.777606] (M) [ 189.782268] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 189.784648] = 15908kB [ 189.784657] Node 0 [ 189.788452] ? graph_lock+0x170/0x170 [ 189.790408] DMA32: [ 189.795428] ? find_held_lock+0x36/0x1c0 [ 189.797810] 4*4kB [ 189.800053] ? ____cache_alloc_node+0x1c7/0x1e0 [ 189.803827] (UM) [ 189.806060] ? lock_downgrade+0x900/0x900 [ 189.810095] 3*8kB (UM) [ 189.812259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.816893] 1*16kB (M) [ 189.818976] cache_grow_begin+0x91/0x8c0 [ 189.823143] 2*32kB [ 189.825724] ? do_raw_spin_unlock+0xa7/0x2f0 [ 189.831237] (UM) [ 189.833820] fallback_alloc+0x203/0x2e0 [ 189.837855] 3*64kB [ 189.840091] ____cache_alloc_node+0x1c7/0x1e0 [ 189.844470] (UM) 4*128kB [ 189.846547] kmem_cache_alloc_node+0xe3/0x730 [ 189.850487] (UM) 2*256kB [ 189.852775] ? ipv6_get_ifaddr+0x42e/0x620 [ 189.857250] (M) [ 189.860009] __alloc_skb+0x119/0x770 [ 189.864483] 4*512kB [ 189.867245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 189.871448] (UM) [ 189.873429] ? skb_scrub_packet+0x490/0x490 [ 189.877122] 3*1024kB [ 189.879439] ? lock_downgrade+0x900/0x900 [ 189.884689] (M) [ 189.886755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.891049] 1*2048kB [ 189.893455] ? refcount_sub_and_test_checked+0x203/0x310 [ 189.897575] (M) [ 189.899547] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 189.905052] 4*4096kB (M) [ 189.907469] ? addrconf_rs_timer+0x6f0/0x6f0 [ 189.912892] = 24888kB [ 189.914876] ndisc_alloc_skb+0x144/0x340 [ 189.920307] Node 0 [ 189.923062] ndisc_send_rs+0x331/0x6e0 [ 189.927440] Normal: [ 189.929849] addrconf_rs_timer+0x3c0/0x6f0 [ 189.933884] 1035*4kB [ 189.936116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.940014] (MEH) [ 189.942343] call_timer_fn+0x272/0x920 [ 189.946558] 457*8kB [ 189.948974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.953187] (UMEH) [ 189.955346] ? process_timeout+0x40/0x40 [ 189.959217] 163*16kB [ 189.961554] ? find_held_lock+0x36/0x1c0 [ 189.965764] (MEH) 58*32kB [ 189.968024] ? __run_timers+0x7da/0xc70 [ 189.972044] (UMEH) 13*64kB [ 189.974459] ? _raw_spin_unlock_irq+0x27/0x80 [ 189.978507] (UMH) [ 189.981353] ? _raw_spin_unlock_irq+0x27/0x80 [ 189.985303] 2*128kB [ 189.988247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 189.992717] (H) [ 189.994879] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 189.999352] 0*256kB [ 190.001668] ? trace_hardirqs_on+0xbd/0x310 [ 190.005881] 0*512kB [ 190.007853] ? kasan_check_read+0x11/0x20 [ 190.012427] 0*1024kB [ 190.014748] ? __run_timers+0x7da/0xc70 [ 190.019041] 0*2048kB [ 190.021360] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 190.025514] 0*4096kB [ 190.027925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.031867] = 13348kB [ 190.031893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 190.034307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.039730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 190.039740] 412 total pagecache pages [ 190.042148] __run_timers+0x7e5/0xc70 [ 190.046366] 0 pages in swap cache [ 190.048780] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 190.057589] Swap cache stats: add 0, delete 0, find 0/0 [ 190.057599] Free swap = 0kB [ 190.061855] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 190.070399] Total swap = 0kB [ 190.070408] 1965979 pages RAM [ 190.074240] ? graph_lock+0x170/0x170 [ 190.078014] 0 pages HighMem/MovableOnly [ 190.078025] 343323 pages reserved [ 190.081477] ? enqueue_hrtimer+0x1a5/0x560 [ 190.086815] 0 pages cma reserved [ 190.086891] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 190.092178] ? lock_release+0x970/0x970 [ 190.092195] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 190.092225] ? find_held_lock+0x36/0x1c0 [ 190.095334] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 190.100250] ? graph_lock+0x170/0x170 [ 190.103264] syz-executor3 cpuset= [ 190.106365] ? pvclock_read_flags+0x160/0x160 [ 190.110138] syz3 [ 190.114109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.117541] mems_allowed=0 [ 190.121771] ? check_preemption_disabled+0x48/0x200 [ 190.182363] ? __lock_is_held+0xb5/0x140 [ 190.186432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.191992] ? check_preemption_disabled+0x48/0x200 [ 190.197017] run_timer_softirq+0x52/0xb0 [ 190.201081] ? rcu_read_lock_sched_held+0x108/0x120 [ 190.206103] __do_softirq+0x30b/0xad8 [ 190.209916] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 190.215050] ? pvclock_read_flags+0x160/0x160 [ 190.219546] ? lapic_next_event+0x5a/0x90 [ 190.223697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.229238] ? check_preemption_disabled+0x48/0x200 [ 190.234254] ? check_preemption_disabled+0x48/0x200 [ 190.239278] ? kvm_clock_read+0x18/0x30 [ 190.243252] ? kvm_sched_clock_read+0x9/0x20 [ 190.247664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.253201] ? check_preemption_disabled+0x48/0x200 [ 190.258228] irq_exit+0x17f/0x1c0 [ 190.261689] smp_apic_timer_interrupt+0x1cb/0x760 [ 190.266533] ? smp_reschedule_interrupt+0x109/0x650 [ 190.271554] ? smp_call_function_single_interrupt+0x650/0x650 [ 190.277455] ? interrupt_entry+0xb5/0xf0 [ 190.281520] ? trace_hardirqs_off_caller+0xbb/0x300 [ 190.286538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 190.291558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 190.296423] ? trace_hardirqs_off+0x300/0x300 [ 190.300916] ? trace_hardirqs_off+0x300/0x300 [ 190.305413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.310949] ? check_preemption_disabled+0x48/0x200 [ 190.315961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.321512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 190.326366] apic_timer_interrupt+0xf/0x20 [ 190.330593] [ 190.332832] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 190.337758] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 190.356675] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 190.364395] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 190.371661] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 190.378926] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 190.386206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 190.393471] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 190.401270] skb_clone+0x1bb/0x500 [ 190.404811] ? finish_task_switch+0x1b5/0x900 [ 190.409308] ? skb_split+0x11e0/0x11e0 [ 190.413196] ? preempt_notifier_register+0x200/0x200 [ 190.418326] ? __switch_to_asm+0x34/0x70 [ 190.422384] ? __switch_to_asm+0x34/0x70 [ 190.426441] ? __switch_to_asm+0x40/0x70 [ 190.430506] ? __switch_to_asm+0x34/0x70 [ 190.434565] ? __switch_to_asm+0x40/0x70 [ 190.438632] ? __switch_to_asm+0x34/0x70 [ 190.442688] ? __switch_to_asm+0x40/0x70 [ 190.446749] ? __switch_to_asm+0x34/0x70 [ 190.450808] ? __switch_to_asm+0x34/0x70 [ 190.454869] ? __switch_to_asm+0x40/0x70 [ 190.458929] ? __switch_to_asm+0x34/0x70 [ 190.463007] bpf_clone_redirect+0xb9/0x490 [ 190.467256] ? __schedule+0x874/0x1ed0 [ 190.471152] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 190.476173] ? __sched_text_start+0x8/0x8 [ 190.480342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.485104] ? find_held_lock+0x36/0x1c0 [ 190.489172] ? lock_acquire+0x1ed/0x520 [ 190.493156] ? bpf_test_run+0x32e/0x5a0 [ 190.497130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.502682] ? check_preemption_disabled+0x48/0x200 [ 190.507703] ? kasan_check_read+0x11/0x20 [ 190.511858] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 190.517160] ? rcu_bh_qs+0xc0/0xc0 [ 190.520707] ? preempt_schedule+0x4d/0x60 [ 190.524858] ? ___preempt_schedule+0x16/0x18 [ 190.529284] ? bpf_test_run+0x1c0/0x5a0 [ 190.533271] ? netlink_diag_dump+0x2a0/0x2a0 [ 190.537682] ? bpf_prog_test_run_skb+0x295/0xb40 [ 190.542447] ? bpf_prog_test_run_skb+0x634/0xb40 [ 190.547212] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 190.552060] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 190.557624] ? fput+0x130/0x1a0 [ 190.560908] ? __bpf_prog_get+0x9b/0x290 [ 190.565061] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 190.569904] ? bpf_prog_test_run+0x130/0x1a0 [ 190.574323] ? __x64_sys_bpf+0x3d8/0x510 [ 190.578388] ? bpf_prog_get+0x20/0x20 [ 190.582211] ? do_syscall_64+0x1b9/0x820 [ 190.586276] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 190.591645] ? syscall_return_slowpath+0x5e0/0x5e0 [ 190.596576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 190.601424] ? trace_hardirqs_off+0x300/0x300 [ 190.605928] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 190.610947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.616498] ? prepare_exit_to_usermode+0x291/0x3b0 [ 190.621524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 190.626379] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 190.631772] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 190.631842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 190.638974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.638979] Call Trace: [ 190.638993] [ 190.639011] dump_stack+0x1c4/0x2b4 [ 190.639029] ? dump_stack_print_info.cold.2+0x52/0x52 [ 190.645559] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 190.654873] warn_alloc.cold.118+0xb7/0x1bd [ 190.657422] syz-executor3 cpuset= [ 190.659569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 190.663172] syz3 [ 190.668363] ? lock_downgrade+0x900/0x900 [ 190.678826] mems_allowed=0 [ 190.683152] ? trace_hardirqs_off+0xb8/0x300 [ 190.704811] ? trace_hardirqs_off+0xb8/0x300 [ 190.709239] __alloc_pages_slowpath+0x2667/0x2d80 [ 190.714117] ? warn_alloc+0x120/0x120 [ 190.717927] ? warn_alloc+0x120/0x120 [ 190.721732] ? print_usage_bug+0xc0/0xc0 [ 190.725799] ? warn_alloc+0x120/0x120 [ 190.729604] ? print_usage_bug+0xc0/0xc0 [ 190.733673] ? graph_lock+0x170/0x170 [ 190.737476] ? kvm_sched_clock_read+0x9/0x20 [ 190.741891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.747426] ? should_fail+0x22d/0xd01 [ 190.751318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 190.756421] ? __lock_acquire+0x7ec/0x4ec0 [ 190.760660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 190.765760] ? __lock_acquire+0x7ec/0x4ec0 [ 190.770002] ? should_fail+0x22d/0xd01 [ 190.773903] ? mark_held_locks+0x130/0x130 [ 190.778143] ? mark_held_locks+0x130/0x130 [ 190.782382] ? select_task_rq_fair+0x754/0x34f0 [ 190.787060] ? lock_downgrade+0x900/0x900 [ 190.791216] ? check_preemption_disabled+0x48/0x200 [ 190.796239] ? graph_lock+0x170/0x170 [ 190.800046] ? print_usage_bug+0xc0/0xc0 [ 190.804110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.809648] ? check_preemption_disabled+0x48/0x200 [ 190.814660] ? check_preemption_disabled+0x48/0x200 [ 190.819692] ? __lock_is_held+0xb5/0x140 [ 190.823768] __alloc_pages_nodemask+0xa80/0xde0 [ 190.828439] ? graph_lock+0x170/0x170 [ 190.832252] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 190.837270] ? graph_lock+0x170/0x170 [ 190.841089] ? find_held_lock+0x36/0x1c0 [ 190.845165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 190.849836] ? lock_downgrade+0x900/0x900 [ 190.854006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.859562] cache_grow_begin+0x91/0x8c0 [ 190.863639] ? do_raw_spin_unlock+0xa7/0x2f0 [ 190.868062] fallback_alloc+0x203/0x2e0 [ 190.872047] ____cache_alloc_node+0x1c7/0x1e0 [ 190.876583] kmem_cache_alloc_node+0xe3/0x730 [ 190.881089] ? ipv6_get_ifaddr+0x42e/0x620 [ 190.885338] __alloc_skb+0x119/0x770 [ 190.889057] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 190.894342] ? skb_scrub_packet+0x490/0x490 [ 190.898664] ? lock_downgrade+0x900/0x900 [ 190.902825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 190.908365] ? refcount_sub_and_test_checked+0x203/0x310 [ 190.913819] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 190.919275] ? addrconf_rs_timer+0x6f0/0x6f0 [ 190.923705] ndisc_alloc_skb+0x144/0x340 [ 190.927778] ndisc_send_rs+0x331/0x6e0 [ 190.931671] addrconf_rs_timer+0x3c0/0x6f0 [ 190.935914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.940173] call_timer_fn+0x272/0x920 [ 190.944063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.948307] ? process_timeout+0x40/0x40 [ 190.952370] ? find_held_lock+0x36/0x1c0 [ 190.956443] ? __run_timers+0x7da/0xc70 [ 190.960426] ? _raw_spin_unlock_irq+0x27/0x80 [ 190.964925] ? _raw_spin_unlock_irq+0x27/0x80 [ 190.969425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 190.973663] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 190.978252] ? trace_hardirqs_on+0xbd/0x310 [ 190.982576] ? kasan_check_read+0x11/0x20 [ 190.986730] ? __run_timers+0x7da/0xc70 [ 190.990709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 190.996168] ? __next_timer_interrupt+0x1a0/0x1a0 [ 191.001025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 191.005270] __run_timers+0x7e5/0xc70 [ 191.009088] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 191.014464] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 191.019492] ? graph_lock+0x170/0x170 [ 191.023299] ? enqueue_hrtimer+0x1a5/0x560 [ 191.027536] ? lock_release+0x970/0x970 [ 191.031515] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 191.036714] ? find_held_lock+0x36/0x1c0 [ 191.040780] ? graph_lock+0x170/0x170 [ 191.044583] ? pvclock_read_flags+0x160/0x160 [ 191.049082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.054619] ? check_preemption_disabled+0x48/0x200 [ 191.059663] ? __lock_is_held+0xb5/0x140 [ 191.063726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.069287] ? check_preemption_disabled+0x48/0x200 [ 191.074311] run_timer_softirq+0x52/0xb0 [ 191.078379] ? rcu_read_lock_sched_held+0x108/0x120 [ 191.083400] __do_softirq+0x30b/0xad8 [ 191.087219] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 191.092332] ? pvclock_read_flags+0x160/0x160 [ 191.096828] ? lapic_next_event+0x5a/0x90 [ 191.100979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.106557] ? check_preemption_disabled+0x48/0x200 [ 191.111585] ? check_preemption_disabled+0x48/0x200 [ 191.116612] ? kvm_clock_read+0x18/0x30 [ 191.120771] ? kvm_sched_clock_read+0x9/0x20 [ 191.125186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.130741] ? check_preemption_disabled+0x48/0x200 [ 191.135775] irq_exit+0x17f/0x1c0 [ 191.139245] smp_apic_timer_interrupt+0x1cb/0x760 [ 191.144093] ? smp_reschedule_interrupt+0x109/0x650 [ 191.149114] ? smp_call_function_single_interrupt+0x650/0x650 [ 191.155009] ? interrupt_entry+0xb5/0xf0 [ 191.159075] ? trace_hardirqs_off_caller+0xbb/0x300 [ 191.164091] ? trace_hardirqs_off_caller+0xbb/0x300 [ 191.169115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.173956] ? trace_hardirqs_off+0x300/0x300 [ 191.178459] ? trace_hardirqs_off+0x300/0x300 [ 191.182957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.188501] ? check_preemption_disabled+0x48/0x200 [ 191.193518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.199061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.204032] apic_timer_interrupt+0xf/0x20 [ 191.208256] [ 191.210496] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 191.215428] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 191.234328] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 191.242050] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 191.249318] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 191.256584] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 191.263854] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 191.271121] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 191.278442] skb_clone+0x1bb/0x500 [ 191.282016] ? finish_task_switch+0x664/0x900 [ 191.286520] ? skb_split+0x11e0/0x11e0 [ 191.290417] ? preempt_notifier_register+0x200/0x200 [ 191.295524] ? __switch_to_asm+0x34/0x70 [ 191.299601] ? __switch_to_asm+0x34/0x70 [ 191.303659] ? __switch_to_asm+0x40/0x70 [ 191.307718] ? __switch_to_asm+0x34/0x70 [ 191.311779] ? __switch_to_asm+0x40/0x70 [ 191.315841] ? __switch_to_asm+0x34/0x70 [ 191.319899] ? __switch_to_asm+0x40/0x70 [ 191.323990] ? __switch_to_asm+0x34/0x70 [ 191.328057] ? __switch_to_asm+0x34/0x70 [ 191.332115] ? __switch_to_asm+0x40/0x70 [ 191.336173] ? __switch_to_asm+0x34/0x70 [ 191.340250] bpf_clone_redirect+0xb9/0x490 [ 191.344484] ? __schedule+0x874/0x1ed0 [ 191.348403] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 191.353458] ? __sched_text_start+0x8/0x8 [ 191.357607] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 191.362384] ? find_held_lock+0x36/0x1c0 [ 191.366456] ? lock_acquire+0x1ed/0x520 [ 191.370432] ? bpf_test_run+0x32e/0x5a0 [ 191.374407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.379960] ? check_preemption_disabled+0x48/0x200 [ 191.384984] ? kasan_check_read+0x11/0x20 [ 191.389144] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 191.394424] ? rcu_bh_qs+0xc0/0xc0 [ 191.397965] ? preempt_schedule+0x4d/0x60 [ 191.402122] ? ___preempt_schedule+0x16/0x18 [ 191.406537] ? bpf_test_run+0x1c0/0x5a0 [ 191.410521] ? netlink_diag_dump+0x2a0/0x2a0 [ 191.414933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.420468] ? bpf_test_init.isra.9+0x70/0x100 [ 191.425053] ? bpf_prog_test_run_skb+0x634/0xb40 [ 191.429821] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 191.434685] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 191.440228] ? fput+0x130/0x1a0 [ 191.443510] ? __bpf_prog_get+0x9b/0x290 [ 191.447576] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 191.452417] ? bpf_prog_test_run+0x130/0x1a0 [ 191.456827] ? __x64_sys_bpf+0x3d8/0x510 [ 191.460898] ? bpf_prog_get+0x20/0x20 [ 191.464710] ? ksys_ioctl+0x81/0xd0 [ 191.468351] ? do_syscall_64+0x1b9/0x820 [ 191.472412] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 191.477782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 191.482713] ? trace_hardirqs_off+0x300/0x300 [ 191.487221] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 191.492241] ? recalc_sigpending_tsk+0x180/0x180 [ 191.497004] ? kasan_check_write+0x14/0x20 [ 191.501245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 191.506107] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 191.511951] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 191.511958] warn_alloc_show_mem: 1 callbacks suppressed [ 191.511965] Mem-Info: [ 191.519151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.524518] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 191.524518] active_file:17 inactive_file:11 isolated_file:5 [ 191.524518] unevictable:0 dirty:0 writeback:0 unstable:0 [ 191.524518] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 191.524518] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 191.524518] free:13528 free_pcp:440 free_cma:0 [ 191.524572] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 191.526959] Call Trace: [ 191.536324] Node 0 [ 191.569195] [ 191.596981] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 191.599540] dump_stack+0x1c4/0x2b4 [ 191.601761] lowmem_reserve[]: [ 191.603904] ? dump_stack_print_info.cold.2+0x52/0x52 [ 191.629387] 0 [ 191.633022] warn_alloc.cold.118+0xb7/0x1bd [ 191.636091] 2815 [ 191.641275] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 191.643052] 6318 [ 191.647379] ? lock_downgrade+0x900/0x900 [ 191.649429] 6318 [ 191.654279] ? trace_hardirqs_off+0xb8/0x300 [ 191.660478] ? trace_hardirqs_off+0xb8/0x300 [ 191.662519] Node 0 [ 191.666925] __alloc_pages_slowpath+0x2667/0x2d80 [ 191.671328] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 191.673563] ? warn_alloc+0x120/0x120 [ 191.678352] lowmem_reserve[]: [ 191.705534] ? warn_alloc+0x120/0x120 [ 191.709318] 0 [ 191.712418] ? print_usage_bug+0xc0/0xc0 [ 191.716192] 0 [ 191.717989] ? warn_alloc+0x120/0x120 [ 191.722054] 3503 [ 191.723865] ? print_usage_bug+0xc0/0xc0 [ 191.727641] 3503 [ 191.729698] ? __lock_acquire+0x7ec/0x4ec0 [ 191.735799] ? __lock_acquire+0x7ec/0x4ec0 [ 191.740008] Node 0 [ 191.744236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 191.744279] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 191.744287] lowmem_reserve[]: [ 191.746526] ? should_fail+0x22d/0xd01 [ 191.752039] 0 [ 191.780501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 191.783579] 0 [ 191.787464] ? __lock_acquire+0x7ec/0x4ec0 [ 191.789245] 0 [ 191.794341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 191.796120] 0 [ 191.800347] ? __lock_acquire+0x7ec/0x4ec0 [ 191.800364] ? should_fail+0x22d/0xd01 [ 191.807261] ? mark_held_locks+0x130/0x130 [ 191.809036] Node 0 [ 191.813270] ? mark_held_locks+0x130/0x130 [ 191.817136] DMA: [ 191.821363] ? graph_lock+0x170/0x170 [ 191.823582] 1*4kB [ 191.827808] ? graph_lock+0x170/0x170 [ 191.829853] (U) [ 191.833648] ? graph_lock+0x170/0x170 [ 191.835779] 0*8kB [ 191.839574] ? print_usage_bug+0xc0/0xc0 [ 191.841522] 0*16kB 1*32kB [ 191.845330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.847453] (U) [ 191.851511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.854338] 2*64kB [ 191.859869] ? check_preemption_disabled+0x48/0x200 [ 191.861823] (U) [ 191.867353] ? check_preemption_disabled+0x48/0x200 [ 191.869563] 1*128kB (U) [ 191.874590] ? __lock_is_held+0xb5/0x140 [ 191.876538] 1*256kB [ 191.881551] __alloc_pages_nodemask+0xa80/0xde0 [ 191.884199] (U) [ 191.888260] ? graph_lock+0x170/0x170 [ 191.890562] 0*512kB [ 191.895233] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 191.897186] 1*1024kB [ 191.900981] ? graph_lock+0x170/0x170 [ 191.903289] (U) [ 191.908307] ? find_held_lock+0x36/0x1c0 [ 191.910689] 1*2048kB (M) [ 191.914513] ? ____cache_alloc_node+0x1c7/0x1e0 [ 191.916454] 3*4096kB [ 191.920513] ? lock_downgrade+0x900/0x900 [ 191.923245] (M) [ 191.927916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 191.930304] = 15908kB [ 191.934445] cache_grow_begin+0x91/0x8c0 [ 191.936396] Node 0 [ 191.941926] ? do_raw_spin_unlock+0xa7/0x2f0 [ 191.944316] DMA32: [ 191.948375] fallback_alloc+0x203/0x2e0 [ 191.950587] 4*4kB [ 191.954997] ____cache_alloc_node+0x1c7/0x1e0 [ 191.957217] (UM) [ 191.961194] kmem_cache_alloc_node+0xe3/0x730 [ 191.963339] 3*8kB [ 191.967829] ? ipv6_get_ifaddr+0x42e/0x620 [ 191.969866] (UM) [ 191.974367] __alloc_skb+0x119/0x770 [ 191.976500] 1*16kB [ 191.980729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 191.982765] (M) [ 191.986473] ? skb_scrub_packet+0x490/0x490 [ 191.988688] 2*32kB [ 191.993963] ? lock_downgrade+0x900/0x900 [ 191.995916] (UM) [ 192.000240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.002452] 3*64kB [ 192.006593] ? refcount_sub_and_test_checked+0x203/0x310 [ 192.008632] (UM) [ 192.014165] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 192.016382] 4*128kB [ 192.021827] ? addrconf_rs_timer+0x6f0/0x6f0 [ 192.023871] (UM) [ 192.029324] ndisc_alloc_skb+0x144/0x340 [ 192.031627] 2*256kB (M) [ 192.036045] ndisc_send_rs+0x331/0x6e0 [ 192.038083] 4*512kB [ 192.042145] addrconf_rs_timer+0x3c0/0x6f0 [ 192.044791] (UM) [ 192.048673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.050966] 3*1024kB (M) [ 192.055214] call_timer_fn+0x272/0x920 [ 192.057256] 1*2048kB (M) [ 192.061503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.064240] 4*4096kB [ 192.068119] ? process_timeout+0x40/0x40 [ 192.070854] (M) [ 192.075082] ? find_held_lock+0x36/0x1c0 [ 192.077468] = 24888kB [ 192.081533] ? __run_timers+0x7da/0xc70 [ 192.083513] Node 0 [ 192.087567] ? _raw_spin_unlock_irq+0x27/0x80 [ 192.089965] Normal: [ 192.093952] ? _raw_spin_unlock_irq+0x27/0x80 [ 192.096164] 1035*4kB [ 192.100657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.102958] (MEH) [ 192.107459] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 192.109841] 457*8kB (UMEH) [ 192.114094] ? trace_hardirqs_on+0xbd/0x310 [ 192.116253] 163*16kB [ 192.120828] ? kasan_check_read+0x11/0x20 [ 192.123736] (MEH) [ 192.128052] ? __run_timers+0x7da/0xc70 [ 192.130440] 58*32kB [ 192.134583] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.136711] (UMEH) [ 192.140684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.142991] 13*64kB [ 192.148434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 192.150647] (UMH) [ 192.154877] __run_timers+0x7e5/0xc70 [ 192.157181] 2*128kB [ 192.161420] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 192.163539] (H) [ 192.167349] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 192.169648] 0*256kB [ 192.175002] ? graph_lock+0x170/0x170 [ 192.175020] ? enqueue_hrtimer+0x1a5/0x560 [ 192.176977] 0*512kB [ 192.181996] ? lock_release+0x970/0x970 [ 192.184298] 0*1024kB [ 192.188088] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 192.192323] 0*2048kB [ 192.194642] ? find_held_lock+0x36/0x1c0 [ 192.198593] 0*4096kB [ 192.201020] ? graph_lock+0x170/0x170 [ 192.206187] = 13348kB [ 192.208613] ? pvclock_read_flags+0x160/0x160 [ 192.212665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 192.215080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.218880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 192.221285] ? check_preemption_disabled+0x48/0x200 [ 192.225760] 412 total pagecache pages [ 192.234594] ? __lock_is_held+0xb5/0x140 [ 192.240109] 0 pages in swap cache [ 192.248675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.253666] Swap cache stats: add 0, delete 0, find 0/0 [ 192.253676] Free swap = 0kB [ 192.257472] ? check_preemption_disabled+0x48/0x200 [ 192.261508] Total swap = 0kB [ 192.264990] run_timer_softirq+0x52/0xb0 [ 192.270505] 1965979 pages RAM [ 192.275867] ? rcu_read_lock_sched_held+0x108/0x120 [ 192.278863] 0 pages HighMem/MovableOnly [ 192.278873] 343323 pages reserved [ 192.283887] __do_softirq+0x30b/0xad8 [ 192.286883] 0 pages cma reserved [ 192.290945] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 192.294091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 192.299040] ? pvclock_read_flags+0x160/0x160 [ 192.299054] ? lapic_next_event+0x5a/0x90 [ 192.299073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.303086] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 192.306482] ? check_preemption_disabled+0x48/0x200 [ 192.310262] syz-executor3 cpuset= [ 192.313619] ? check_preemption_disabled+0x48/0x200 [ 192.313640] ? kvm_clock_read+0x18/0x30 [ 192.318715] syz3 [ 192.325211] ? kvm_sched_clock_read+0x9/0x20 [ 192.329696] mems_allowed=0 [ 192.333929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.382117] ? check_preemption_disabled+0x48/0x200 [ 192.387149] irq_exit+0x17f/0x1c0 [ 192.390607] smp_apic_timer_interrupt+0x1cb/0x760 [ 192.395446] ? smp_reschedule_interrupt+0x109/0x650 [ 192.400988] ? smp_call_function_single_interrupt+0x650/0x650 [ 192.406898] ? interrupt_entry+0xb5/0xf0 [ 192.410971] ? trace_hardirqs_off_caller+0xbb/0x300 [ 192.415985] ? trace_hardirqs_off_caller+0xbb/0x300 [ 192.421021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.425863] ? trace_hardirqs_off+0x300/0x300 [ 192.430361] ? trace_hardirqs_off+0x300/0x300 [ 192.434883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.440424] ? check_preemption_disabled+0x48/0x200 [ 192.445449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.451044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.455915] apic_timer_interrupt+0xf/0x20 [ 192.460143] [ 192.462387] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 192.467319] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 192.486228] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 192.493953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 192.501259] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 192.508527] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 192.515791] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 192.523068] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 192.530392] skb_clone+0x1bb/0x500 [ 192.533932] ? finish_task_switch+0x1b5/0x900 [ 192.538428] ? skb_split+0x11e0/0x11e0 [ 192.542323] ? preempt_notifier_register+0x200/0x200 [ 192.547430] ? __switch_to_asm+0x34/0x70 [ 192.551519] ? __switch_to_asm+0x34/0x70 [ 192.555582] ? __switch_to_asm+0x40/0x70 [ 192.559644] ? __switch_to_asm+0x34/0x70 [ 192.563708] ? __switch_to_asm+0x40/0x70 [ 192.567769] ? __switch_to_asm+0x34/0x70 [ 192.571831] ? __switch_to_asm+0x40/0x70 [ 192.575889] ? __switch_to_asm+0x34/0x70 [ 192.579949] ? __switch_to_asm+0x34/0x70 [ 192.584006] ? __switch_to_asm+0x40/0x70 [ 192.588061] ? __switch_to_asm+0x34/0x70 [ 192.592123] bpf_clone_redirect+0xb9/0x490 [ 192.596373] ? __schedule+0x874/0x1ed0 [ 192.600283] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 192.605321] ? __sched_text_start+0x8/0x8 [ 192.609479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.614250] ? find_held_lock+0x36/0x1c0 [ 192.618330] ? lock_acquire+0x1ed/0x520 [ 192.622303] ? bpf_test_run+0x32e/0x5a0 [ 192.626278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.631818] ? check_preemption_disabled+0x48/0x200 [ 192.636840] ? kasan_check_read+0x11/0x20 [ 192.640995] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 192.646290] ? rcu_bh_qs+0xc0/0xc0 [ 192.649836] ? preempt_schedule+0x4d/0x60 [ 192.653984] ? ___preempt_schedule+0x16/0x18 [ 192.658406] ? bpf_test_run+0x1c0/0x5a0 [ 192.662394] ? netlink_diag_dump+0x2a0/0x2a0 [ 192.666806] ? bpf_prog_test_run_skb+0x295/0xb40 [ 192.671567] ? bpf_prog_test_run_skb+0x634/0xb40 [ 192.676337] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 192.681183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 192.686720] ? fput+0x130/0x1a0 [ 192.690000] ? __bpf_prog_get+0x9b/0x290 [ 192.694088] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 192.698940] ? bpf_prog_test_run+0x130/0x1a0 [ 192.703366] ? __x64_sys_bpf+0x3d8/0x510 [ 192.707429] ? bpf_prog_get+0x20/0x20 [ 192.711251] ? do_syscall_64+0x1b9/0x820 [ 192.715327] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 192.720693] ? syscall_return_slowpath+0x5e0/0x5e0 [ 192.725622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.730467] ? trace_hardirqs_off+0x300/0x300 [ 192.734968] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 192.740034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.745572] ? prepare_exit_to_usermode+0x291/0x3b0 [ 192.750598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.755450] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 192.760837] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 192.760906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 192.768034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.768040] Call Trace: [ 192.768047] [ 192.768064] dump_stack+0x1c4/0x2b4 [ 192.768081] ? dump_stack_print_info.cold.2+0x52/0x52 [ 192.768119] warn_alloc.cold.118+0xb7/0x1bd [ 192.774640] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 192.783964] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 192.786529] syz-executor3 cpuset= [ 192.788689] ? lock_downgrade+0x900/0x900 [ 192.792302] syz3 [ 192.797506] ? trace_hardirqs_off+0xb8/0x300 [ 192.801800] mems_allowed=0 [ 192.833973] ? trace_hardirqs_off+0xb8/0x300 [ 192.838407] __alloc_pages_slowpath+0x2667/0x2d80 [ 192.843295] ? warn_alloc+0x120/0x120 [ 192.847102] ? warn_alloc+0x120/0x120 [ 192.850916] ? print_usage_bug+0xc0/0xc0 [ 192.854977] ? warn_alloc+0x120/0x120 [ 192.858796] ? print_usage_bug+0xc0/0xc0 [ 192.862889] ? __lock_acquire+0x7ec/0x4ec0 [ 192.867158] ? __lock_acquire+0x7ec/0x4ec0 [ 192.871395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.876933] ? should_fail+0x22d/0xd01 [ 192.880836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 192.885939] ? __lock_acquire+0x7ec/0x4ec0 [ 192.890191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 192.895347] ? __lock_acquire+0x7ec/0x4ec0 [ 192.899573] ? should_fail+0x22d/0xd01 [ 192.903505] ? mark_held_locks+0x130/0x130 [ 192.907754] ? mark_held_locks+0x130/0x130 [ 192.911996] ? graph_lock+0x170/0x170 [ 192.915794] ? graph_lock+0x170/0x170 [ 192.919598] ? graph_lock+0x170/0x170 [ 192.923403] ? print_usage_bug+0xc0/0xc0 [ 192.927464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.933019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.938557] ? check_preemption_disabled+0x48/0x200 [ 192.943571] ? check_preemption_disabled+0x48/0x200 [ 192.948600] ? __lock_is_held+0xb5/0x140 [ 192.952673] __alloc_pages_nodemask+0xa80/0xde0 [ 192.957347] ? graph_lock+0x170/0x170 [ 192.961151] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 192.966163] ? graph_lock+0x170/0x170 [ 192.970007] ? find_held_lock+0x36/0x1c0 [ 192.974078] ? ____cache_alloc_node+0x1c7/0x1e0 [ 192.978747] ? lock_downgrade+0x900/0x900 [ 192.982912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.988466] cache_grow_begin+0x91/0x8c0 [ 192.992532] ? do_raw_spin_unlock+0xa7/0x2f0 [ 192.996951] fallback_alloc+0x203/0x2e0 [ 193.000937] ____cache_alloc_node+0x1c7/0x1e0 [ 193.005458] kmem_cache_alloc_node+0xe3/0x730 [ 193.009955] ? ipv6_get_ifaddr+0x42e/0x620 [ 193.014221] __alloc_skb+0x119/0x770 [ 193.017937] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 193.023226] ? skb_scrub_packet+0x490/0x490 [ 193.027549] ? lock_downgrade+0x900/0x900 [ 193.031710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.037249] ? refcount_sub_and_test_checked+0x203/0x310 [ 193.042709] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 193.048162] ? addrconf_rs_timer+0x6f0/0x6f0 [ 193.052586] ndisc_alloc_skb+0x144/0x340 [ 193.056657] ndisc_send_rs+0x331/0x6e0 [ 193.060554] addrconf_rs_timer+0x3c0/0x6f0 [ 193.064798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.069052] call_timer_fn+0x272/0x920 [ 193.072937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.077177] ? process_timeout+0x40/0x40 [ 193.081249] ? find_held_lock+0x36/0x1c0 [ 193.085320] ? __run_timers+0x7da/0xc70 [ 193.089297] ? _raw_spin_unlock_irq+0x27/0x80 [ 193.093792] ? _raw_spin_unlock_irq+0x27/0x80 [ 193.098288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.102529] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 193.107117] ? trace_hardirqs_on+0xbd/0x310 [ 193.111435] ? kasan_check_read+0x11/0x20 [ 193.115586] ? __run_timers+0x7da/0xc70 [ 193.119567] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 193.125031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.129277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 193.133512] __run_timers+0x7e5/0xc70 [ 193.137334] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 193.142699] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 193.147720] ? graph_lock+0x170/0x170 [ 193.151526] ? enqueue_hrtimer+0x1a5/0x560 [ 193.155763] ? lock_release+0x970/0x970 [ 193.159739] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 193.164935] ? find_held_lock+0x36/0x1c0 [ 193.169017] ? graph_lock+0x170/0x170 [ 193.172820] ? pvclock_read_flags+0x160/0x160 [ 193.177321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.182861] ? check_preemption_disabled+0x48/0x200 [ 193.187888] ? __lock_is_held+0xb5/0x140 [ 193.191948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.197487] ? check_preemption_disabled+0x48/0x200 [ 193.202526] run_timer_softirq+0x52/0xb0 [ 193.206589] ? rcu_read_lock_sched_held+0x108/0x120 [ 193.211608] __do_softirq+0x30b/0xad8 [ 193.215423] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 193.220531] ? pvclock_read_flags+0x160/0x160 [ 193.225031] ? lapic_next_event+0x5a/0x90 [ 193.229179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.234757] ? check_preemption_disabled+0x48/0x200 [ 193.239772] ? check_preemption_disabled+0x48/0x200 [ 193.244795] ? kvm_clock_read+0x18/0x30 [ 193.248768] ? kvm_sched_clock_read+0x9/0x20 [ 193.253183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.258727] ? check_preemption_disabled+0x48/0x200 [ 193.263756] irq_exit+0x17f/0x1c0 [ 193.267222] smp_apic_timer_interrupt+0x1cb/0x760 [ 193.272063] ? smp_reschedule_interrupt+0x109/0x650 [ 193.277097] ? smp_call_function_single_interrupt+0x650/0x650 [ 193.282981] ? interrupt_entry+0xb5/0xf0 [ 193.287053] ? trace_hardirqs_off_caller+0xbb/0x300 [ 193.292068] ? trace_hardirqs_off_caller+0xbb/0x300 [ 193.297090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.301937] ? trace_hardirqs_off+0x300/0x300 [ 193.306430] ? trace_hardirqs_off+0x300/0x300 [ 193.310929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.316467] ? check_preemption_disabled+0x48/0x200 [ 193.321482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.327033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.331904] apic_timer_interrupt+0xf/0x20 [ 193.336139] [ 193.338378] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 193.343310] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 193.362214] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 193.369933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 193.377232] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 193.384498] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 193.391769] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 193.399040] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 193.406359] skb_clone+0x1bb/0x500 [ 193.409899] ? finish_task_switch+0x664/0x900 [ 193.414397] ? skb_split+0x11e0/0x11e0 [ 193.418296] ? preempt_notifier_register+0x200/0x200 [ 193.423402] ? __switch_to_asm+0x34/0x70 [ 193.427462] ? __switch_to_asm+0x34/0x70 [ 193.431519] ? __switch_to_asm+0x40/0x70 [ 193.435581] ? __switch_to_asm+0x34/0x70 [ 193.439641] ? __switch_to_asm+0x40/0x70 [ 193.443706] ? __switch_to_asm+0x34/0x70 [ 193.447764] ? __switch_to_asm+0x40/0x70 [ 193.451826] ? __switch_to_asm+0x34/0x70 [ 193.455904] ? __switch_to_asm+0x34/0x70 [ 193.459973] ? __switch_to_asm+0x40/0x70 [ 193.464051] ? __switch_to_asm+0x34/0x70 [ 193.468123] bpf_clone_redirect+0xb9/0x490 [ 193.472360] ? __schedule+0x874/0x1ed0 [ 193.476255] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 193.481274] ? __sched_text_start+0x8/0x8 [ 193.485429] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 193.490245] ? find_held_lock+0x36/0x1c0 [ 193.494320] ? lock_acquire+0x1ed/0x520 [ 193.498299] ? bpf_test_run+0x32e/0x5a0 [ 193.502278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.508319] ? check_preemption_disabled+0x48/0x200 [ 193.513362] ? kasan_check_read+0x11/0x20 [ 193.517523] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 193.522798] ? rcu_bh_qs+0xc0/0xc0 [ 193.526366] ? preempt_schedule+0x4d/0x60 [ 193.530522] ? ___preempt_schedule+0x16/0x18 [ 193.534951] ? bpf_test_run+0x1c0/0x5a0 [ 193.538995] ? netlink_diag_dump+0x2a0/0x2a0 [ 193.543423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.548971] ? bpf_test_init.isra.9+0x70/0x100 [ 193.553560] ? bpf_prog_test_run_skb+0x634/0xb40 [ 193.558331] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 193.563178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 193.568738] ? fput+0x130/0x1a0 [ 193.572061] ? __bpf_prog_get+0x9b/0x290 [ 193.576133] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 193.580977] ? bpf_prog_test_run+0x130/0x1a0 [ 193.585399] ? __x64_sys_bpf+0x3d8/0x510 [ 193.589475] ? bpf_prog_get+0x20/0x20 [ 193.593295] ? ksys_ioctl+0x81/0xd0 [ 193.596932] ? do_syscall_64+0x1b9/0x820 [ 193.601022] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 193.606386] ? syscall_return_slowpath+0x5e0/0x5e0 [ 193.611318] ? trace_hardirqs_off+0x300/0x300 [ 193.615815] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 193.620832] ? recalc_sigpending_tsk+0x180/0x180 [ 193.625603] ? kasan_check_write+0x14/0x20 [ 193.629857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.634713] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 193.640099] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 193.640106] warn_alloc_show_mem: 1 callbacks suppressed [ 193.640113] Mem-Info: [ 193.647306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.652677] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 193.652677] active_file:17 inactive_file:11 isolated_file:5 [ 193.652677] unevictable:0 dirty:0 writeback:0 unstable:0 [ 193.652677] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 193.652677] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 193.652677] free:13528 free_pcp:440 free_cma:0 [ 193.655055] Call Trace: [ 193.664445] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 193.697303] [ 193.699884] Node 0 [ 193.727644] dump_stack+0x1c4/0x2b4 [ 193.729803] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 193.732035] ? dump_stack_print_info.cold.2+0x52/0x52 [ 193.735661] lowmem_reserve[]: 0 [ 193.761209] warn_alloc.cold.118+0xb7/0x1bd [ 193.766376] 2815 [ 193.769653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 193.773947] 6318 [ 193.776012] ? lock_downgrade+0x900/0x900 [ 193.780832] 6318 [ 193.782916] ? trace_hardirqs_off+0xb8/0x300 [ 193.789098] ? trace_hardirqs_off+0xb8/0x300 [ 193.793504] Node 0 DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 193.797939] __alloc_pages_slowpath+0x2667/0x2d80 [ 193.797994] ? warn_alloc+0x120/0x120 [ 193.825711] lowmem_reserve[]: 0 [ 193.830573] ? warn_alloc+0x120/0x120 [ 193.834334] 0 3503 [ 193.837624] ? print_usage_bug+0xc0/0xc0 [ 193.841393] 3503 [ 193.843635] ? warn_alloc+0x120/0x120 [ 193.847672] Node 0 [ 193.849735] ? print_usage_bug+0xc0/0xc0 [ 193.853536] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 193.855744] ? __lock_acquire+0x7ec/0x4ec0 [ 193.859777] lowmem_reserve[]: 0 [ 193.888249] ? __lock_acquire+0x7ec/0x4ec0 [ 193.892461] 0 [ 193.895741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.899946] 0 [ 193.901746] ? should_fail+0x22d/0xd01 [ 193.907257] 0 [ 193.909057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 193.914719] ? __lock_acquire+0x7ec/0x4ec0 [ 193.919795] Node 0 DMA: [ 193.924037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 193.924054] ? __lock_acquire+0x7ec/0x4ec0 [ 193.926705] 1*4kB [ 193.931801] ? should_fail+0x22d/0xd01 [ 193.936024] (U) [ 193.938171] ? mark_held_locks+0x130/0x130 [ 193.942030] 0*8kB [ 193.944005] ? mark_held_locks+0x130/0x130 [ 193.948251] 0*16kB [ 193.950392] ? graph_lock+0x170/0x170 [ 193.954598] 1*32kB (U) [ 193.956841] ? graph_lock+0x170/0x170 [ 193.960618] 2*64kB [ 193.963204] ? graph_lock+0x170/0x170 [ 193.966994] (U) [ 193.969231] ? print_usage_bug+0xc0/0xc0 [ 193.973017] 1*128kB [ 193.974992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.979026] (U) 1*256kB [ 193.981358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.986863] (U) 0*512kB [ 193.989543] ? check_preemption_disabled+0x48/0x200 [ 193.995056] 1*1024kB [ 193.997720] ? check_preemption_disabled+0x48/0x200 [ 194.002717] (U) [ 194.005127] ? __lock_is_held+0xb5/0x140 [ 194.010108] 1*2048kB (M) [ 194.012089] __alloc_pages_nodemask+0xa80/0xde0 [ 194.016120] 3*4096kB (M) [ 194.018880] ? graph_lock+0x170/0x170 [ 194.023525] = 15908kB [ 194.026279] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 194.030057] Node 0 [ 194.032460] ? graph_lock+0x170/0x170 [ 194.037453] DMA32: [ 194.039693] ? find_held_lock+0x36/0x1c0 [ 194.043463] 4*4kB [ 194.045704] ? ____cache_alloc_node+0x1c7/0x1e0 [ 194.049736] (UM) [ 194.051884] ? lock_downgrade+0x900/0x900 [ 194.056532] 3*8kB [ 194.058593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.062710] (UM) 1*16kB [ 194.064871] cache_grow_begin+0x91/0x8c0 [ 194.070392] (M) [ 194.073077] ? do_raw_spin_unlock+0xa7/0x2f0 [ 194.077118] 2*32kB [ 194.079100] fallback_alloc+0x203/0x2e0 [ 194.083479] (UM) [ 194.085721] ____cache_alloc_node+0x1c7/0x1e0 [ 194.089674] 3*64kB [ 194.091736] kmem_cache_alloc_node+0xe3/0x730 [ 194.096207] (UM) [ 194.098457] ? ipv6_get_ifaddr+0x42e/0x620 [ 194.102919] 4*128kB (UM) [ 194.104990] __alloc_skb+0x119/0x770 [ 194.109201] 2*256kB (M) [ 194.112102] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 194.115788] 4*512kB (UM) [ 194.118508] ? skb_scrub_packet+0x490/0x490 [ 194.123756] 3*1024kB [ 194.126527] ? lock_downgrade+0x900/0x900 [ 194.130827] (M) [ 194.133254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.137371] 1*2048kB [ 194.139343] ? refcount_sub_and_test_checked+0x203/0x310 [ 194.144950] (M) 4*4096kB [ 194.147370] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 194.152792] (M) = 24888kB [ 194.155561] ? addrconf_rs_timer+0x6f0/0x6f0 [ 194.161002] Node 0 [ 194.163769] ndisc_alloc_skb+0x144/0x340 [ 194.168144] Normal: [ 194.170380] ndisc_send_rs+0x331/0x6e0 [ 194.174420] 1035*4kB [ 194.176739] addrconf_rs_timer+0x3c0/0x6f0 [ 194.180603] (MEH) [ 194.183041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.187246] 457*8kB (UMEH) [ 194.189430] call_timer_fn+0x272/0x920 [ 194.193629] 163*16kB [ 194.196553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.200419] (MEH) [ 194.202827] ? process_timeout+0x40/0x40 [ 194.207032] 58*32kB (UMEH) [ 194.209211] ? find_held_lock+0x36/0x1c0 [ 194.213271] 13*64kB [ 194.216200] ? __run_timers+0x7da/0xc70 [ 194.220239] (UMH) [ 194.222558] ? _raw_spin_unlock_irq+0x27/0x80 [ 194.226514] 2*128kB [ 194.228660] ? _raw_spin_unlock_irq+0x27/0x80 [ 194.233125] (H) 0*256kB [ 194.235469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.240025] 0*512kB [ 194.242692] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 194.246901] 0*1024kB [ 194.249218] ? trace_hardirqs_on+0xbd/0x310 [ 194.253778] 0*2048kB 0*4096kB [ 194.256188] ? kasan_check_read+0x11/0x20 [ 194.256207] ? __run_timers+0x7da/0xc70 [ 194.260515] = 13348kB [ 194.263702] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 194.267832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 194.271794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.274189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 194.279635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 194.288447] 412 total pagecache pages [ 194.292678] __run_timers+0x7e5/0xc70 [ 194.301239] 0 pages in swap cache [ 194.305497] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 194.309264] Swap cache stats: add 0, delete 0, find 0/0 [ 194.313054] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 194.316491] Free swap = 0kB [ 194.316502] Total swap = 0kB [ 194.321864] ? graph_lock+0x170/0x170 [ 194.327204] 1965979 pages RAM [ 194.332213] ? enqueue_hrtimer+0x1a5/0x560 [ 194.335218] 0 pages HighMem/MovableOnly [ 194.335227] 343323 pages reserved [ 194.338255] ? lock_release+0x970/0x970 [ 194.342032] 0 pages cma reserved [ 194.345137] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 194.349408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 194.353342] ? find_held_lock+0x36/0x1c0 [ 194.356827] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 194.360744] ? graph_lock+0x170/0x170 [ 194.364090] syz-executor3 cpuset= [ 194.369273] ? pvclock_read_flags+0x160/0x160 [ 194.375829] syz3 [ 194.379886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.390351] mems_allowed=0 [ 194.394145] ? check_preemption_disabled+0x48/0x200 [ 194.417997] ? __lock_is_held+0xb5/0x140 [ 194.422065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.427601] ? check_preemption_disabled+0x48/0x200 [ 194.432626] run_timer_softirq+0x52/0xb0 [ 194.436686] ? rcu_read_lock_sched_held+0x108/0x120 [ 194.441707] __do_softirq+0x30b/0xad8 [ 194.445525] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 194.451332] ? pvclock_read_flags+0x160/0x160 [ 194.455828] ? lapic_next_event+0x5a/0x90 [ 194.459987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.465538] ? check_preemption_disabled+0x48/0x200 [ 194.470551] ? check_preemption_disabled+0x48/0x200 [ 194.475572] ? kvm_clock_read+0x18/0x30 [ 194.479554] ? kvm_sched_clock_read+0x9/0x20 [ 194.483968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.489513] ? check_preemption_disabled+0x48/0x200 [ 194.494543] irq_exit+0x17f/0x1c0 [ 194.498021] smp_apic_timer_interrupt+0x1cb/0x760 [ 194.502889] ? smp_reschedule_interrupt+0x109/0x650 [ 194.507929] ? smp_call_function_single_interrupt+0x650/0x650 [ 194.513836] ? interrupt_entry+0xb5/0xf0 [ 194.517901] ? trace_hardirqs_off_caller+0xbb/0x300 [ 194.522917] ? trace_hardirqs_off_caller+0xbb/0x300 [ 194.527938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.532778] ? trace_hardirqs_off+0x300/0x300 [ 194.537272] ? trace_hardirqs_off+0x300/0x300 [ 194.541768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.547304] ? check_preemption_disabled+0x48/0x200 [ 194.552317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.557861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.562715] apic_timer_interrupt+0xf/0x20 [ 194.566942] [ 194.569195] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 194.574130] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 194.593031] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 194.600738] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 194.608009] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 194.615275] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 194.622539] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 194.629806] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 194.637115] skb_clone+0x1bb/0x500 [ 194.640671] ? finish_task_switch+0x1b5/0x900 [ 194.645173] ? skb_split+0x11e0/0x11e0 [ 194.649063] ? preempt_notifier_register+0x200/0x200 [ 194.654202] ? __switch_to_asm+0x34/0x70 [ 194.658282] ? __switch_to_asm+0x34/0x70 [ 194.662340] ? __switch_to_asm+0x40/0x70 [ 194.666415] ? __switch_to_asm+0x34/0x70 [ 194.670472] ? __switch_to_asm+0x40/0x70 [ 194.674535] ? __switch_to_asm+0x34/0x70 [ 194.678611] ? __switch_to_asm+0x40/0x70 [ 194.682668] ? __switch_to_asm+0x34/0x70 [ 194.686728] ? __switch_to_asm+0x34/0x70 [ 194.690790] ? __switch_to_asm+0x40/0x70 [ 194.694849] ? __switch_to_asm+0x34/0x70 [ 194.698924] bpf_clone_redirect+0xb9/0x490 [ 194.703165] ? __schedule+0x874/0x1ed0 [ 194.707073] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 194.712105] ? __sched_text_start+0x8/0x8 [ 194.716266] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 194.721028] ? find_held_lock+0x36/0x1c0 [ 194.725093] ? lock_acquire+0x1ed/0x520 [ 194.729063] ? bpf_test_run+0x32e/0x5a0 [ 194.733039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.738583] ? check_preemption_disabled+0x48/0x200 [ 194.743604] ? kasan_check_read+0x11/0x20 [ 194.747756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 194.753032] ? rcu_bh_qs+0xc0/0xc0 [ 194.756588] ? preempt_schedule+0x4d/0x60 [ 194.760744] ? ___preempt_schedule+0x16/0x18 [ 194.765155] ? bpf_test_run+0x1c0/0x5a0 [ 194.769146] ? netlink_diag_dump+0x2a0/0x2a0 [ 194.773553] ? bpf_prog_test_run_skb+0x295/0xb40 [ 194.778323] ? bpf_prog_test_run_skb+0x634/0xb40 [ 194.783095] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 194.787962] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 194.793499] ? fput+0x130/0x1a0 [ 194.796784] ? __bpf_prog_get+0x9b/0x290 [ 194.800850] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 194.805695] ? bpf_prog_test_run+0x130/0x1a0 [ 194.810110] ? __x64_sys_bpf+0x3d8/0x510 [ 194.814169] ? bpf_prog_get+0x20/0x20 [ 194.818009] ? do_syscall_64+0x1b9/0x820 [ 194.822066] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 194.827430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 194.832359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.837202] ? trace_hardirqs_off+0x300/0x300 [ 194.841700] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 194.846716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 194.852265] ? prepare_exit_to_usermode+0x291/0x3b0 [ 194.857300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.862153] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 194.867545] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 194.867614] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 194.874740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.874750] Call Trace: [ 194.881335] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 194.890586] [ 194.893156] syz-executor3 cpuset= [ 194.903638] dump_stack+0x1c4/0x2b4 [ 194.905774] syz3 [ 194.909236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 194.912844] mems_allowed=0 [ 194.914825] warn_alloc.cold.118+0xb7/0x1bd [ 194.927227] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 194.932075] ? lock_downgrade+0x900/0x900 [ 194.936238] ? trace_hardirqs_off+0xb8/0x300 [ 194.940652] ? trace_hardirqs_off+0xb8/0x300 [ 194.945070] __alloc_pages_slowpath+0x2667/0x2d80 [ 194.949943] ? warn_alloc+0x120/0x120 [ 194.953763] ? warn_alloc+0x120/0x120 [ 194.957571] ? print_usage_bug+0xc0/0xc0 [ 194.961632] ? warn_alloc+0x120/0x120 [ 194.965436] ? print_usage_bug+0xc0/0xc0 [ 194.969512] ? __lock_acquire+0x7ec/0x4ec0 [ 194.973749] ? __lock_acquire+0x7ec/0x4ec0 [ 194.977996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 194.983542] ? should_fail+0x22d/0xd01 [ 194.987438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 194.992543] ? __lock_acquire+0x7ec/0x4ec0 [ 194.996785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 195.001887] ? __lock_acquire+0x7ec/0x4ec0 [ 195.006118] ? should_fail+0x22d/0xd01 [ 195.010042] ? mark_held_locks+0x130/0x130 [ 195.014291] ? mark_held_locks+0x130/0x130 [ 195.018528] ? graph_lock+0x170/0x170 [ 195.022342] ? graph_lock+0x170/0x170 [ 195.026159] ? graph_lock+0x170/0x170 [ 195.029960] ? print_usage_bug+0xc0/0xc0 [ 195.034027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.039567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.045103] ? check_preemption_disabled+0x48/0x200 [ 195.050114] ? check_preemption_disabled+0x48/0x200 [ 195.055144] ? __lock_is_held+0xb5/0x140 [ 195.059222] __alloc_pages_nodemask+0xa80/0xde0 [ 195.063923] ? graph_lock+0x170/0x170 [ 195.067758] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 195.072775] ? graph_lock+0x170/0x170 [ 195.076601] ? find_held_lock+0x36/0x1c0 [ 195.080672] ? ____cache_alloc_node+0x1c7/0x1e0 [ 195.085343] ? lock_downgrade+0x900/0x900 [ 195.089503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.095045] cache_grow_begin+0x91/0x8c0 [ 195.099106] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.103535] fallback_alloc+0x203/0x2e0 [ 195.107516] ____cache_alloc_node+0x1c7/0x1e0 [ 195.112022] kmem_cache_alloc_node+0xe3/0x730 [ 195.116534] ? ipv6_get_ifaddr+0x42e/0x620 [ 195.120783] __alloc_skb+0x119/0x770 [ 195.124504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 195.129817] ? skb_scrub_packet+0x490/0x490 [ 195.134142] ? lock_downgrade+0x900/0x900 [ 195.138300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.143858] ? refcount_sub_and_test_checked+0x203/0x310 [ 195.149321] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 195.154777] ? addrconf_rs_timer+0x6f0/0x6f0 [ 195.159208] ndisc_alloc_skb+0x144/0x340 [ 195.163284] ndisc_send_rs+0x331/0x6e0 [ 195.167177] addrconf_rs_timer+0x3c0/0x6f0 [ 195.171425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.175678] call_timer_fn+0x272/0x920 [ 195.179567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.183808] ? process_timeout+0x40/0x40 [ 195.187866] ? find_held_lock+0x36/0x1c0 [ 195.191941] ? __run_timers+0x7da/0xc70 [ 195.195923] ? _raw_spin_unlock_irq+0x27/0x80 [ 195.200417] ? _raw_spin_unlock_irq+0x27/0x80 [ 195.204912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.209158] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 195.213746] ? trace_hardirqs_on+0xbd/0x310 [ 195.218065] ? kasan_check_read+0x11/0x20 [ 195.222218] ? __run_timers+0x7da/0xc70 [ 195.226216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 195.231672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.235915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 195.240161] __run_timers+0x7e5/0xc70 [ 195.243976] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 195.249353] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 195.254374] ? graph_lock+0x170/0x170 [ 195.258181] ? enqueue_hrtimer+0x1a5/0x560 [ 195.262422] ? lock_release+0x970/0x970 [ 195.266408] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 195.271612] ? find_held_lock+0x36/0x1c0 [ 195.275679] ? graph_lock+0x170/0x170 [ 195.279486] ? pvclock_read_flags+0x160/0x160 [ 195.283994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.289532] ? check_preemption_disabled+0x48/0x200 [ 195.294560] ? __lock_is_held+0xb5/0x140 [ 195.298625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.304172] ? check_preemption_disabled+0x48/0x200 [ 195.309219] run_timer_softirq+0x52/0xb0 [ 195.313281] ? rcu_read_lock_sched_held+0x108/0x120 [ 195.318301] __do_softirq+0x30b/0xad8 [ 195.322113] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 195.327228] ? pvclock_read_flags+0x160/0x160 [ 195.331731] ? lapic_next_event+0x5a/0x90 [ 195.335881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.341421] ? check_preemption_disabled+0x48/0x200 [ 195.346439] ? check_preemption_disabled+0x48/0x200 [ 195.351468] ? kvm_clock_read+0x18/0x30 [ 195.355454] ? kvm_sched_clock_read+0x9/0x20 [ 195.359870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.365408] ? check_preemption_disabled+0x48/0x200 [ 195.370435] irq_exit+0x17f/0x1c0 [ 195.373904] smp_apic_timer_interrupt+0x1cb/0x760 [ 195.378761] ? smp_reschedule_interrupt+0x109/0x650 [ 195.383781] ? smp_call_function_single_interrupt+0x650/0x650 [ 195.389662] ? interrupt_entry+0xb5/0xf0 [ 195.393724] ? trace_hardirqs_off_caller+0xbb/0x300 [ 195.398737] ? trace_hardirqs_off_caller+0xbb/0x300 [ 195.403768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.408609] ? trace_hardirqs_off+0x300/0x300 [ 195.413100] ? trace_hardirqs_off+0x300/0x300 [ 195.417599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.423139] ? check_preemption_disabled+0x48/0x200 [ 195.428153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.433699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.438555] apic_timer_interrupt+0xf/0x20 [ 195.442794] [ 195.445044] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 195.449995] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 195.468916] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 195.476628] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 195.483896] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 195.491166] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 195.498434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 195.505702] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 195.513522] skb_clone+0x1bb/0x500 [ 195.517066] ? finish_task_switch+0x664/0x900 [ 195.521563] ? skb_split+0x11e0/0x11e0 [ 195.525452] ? preempt_notifier_register+0x200/0x200 [ 195.530555] ? __switch_to_asm+0x34/0x70 [ 195.534613] ? __switch_to_asm+0x34/0x70 [ 195.538680] ? __switch_to_asm+0x40/0x70 [ 195.542739] ? __switch_to_asm+0x34/0x70 [ 195.546810] ? __switch_to_asm+0x40/0x70 [ 195.550866] ? __switch_to_asm+0x34/0x70 [ 195.555231] ? __switch_to_asm+0x40/0x70 [ 195.559295] ? __switch_to_asm+0x34/0x70 [ 195.563358] ? __switch_to_asm+0x34/0x70 [ 195.567418] ? __switch_to_asm+0x40/0x70 [ 195.571479] ? __switch_to_asm+0x34/0x70 [ 195.575548] bpf_clone_redirect+0xb9/0x490 [ 195.579797] ? __schedule+0x874/0x1ed0 [ 195.583696] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 195.588716] ? __sched_text_start+0x8/0x8 [ 195.592860] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 195.597654] ? find_held_lock+0x36/0x1c0 [ 195.601723] ? lock_acquire+0x1ed/0x520 [ 195.605704] ? bpf_test_run+0x32e/0x5a0 [ 195.609692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 195.615234] ? check_preemption_disabled+0x48/0x200 [ 195.620251] ? kasan_check_read+0x11/0x20 [ 195.624404] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 195.629683] ? rcu_bh_qs+0xc0/0xc0 [ 195.633241] ? preempt_schedule+0x4d/0x60 [ 195.637395] ? ___preempt_schedule+0x16/0x18 [ 195.641811] ? bpf_test_run+0x1c0/0x5a0 [ 195.645809] ? netlink_diag_dump+0x2a0/0x2a0 [ 195.650276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.655825] ? bpf_test_init.isra.9+0x70/0x100 [ 195.660414] ? bpf_prog_test_run_skb+0x634/0xb40 [ 195.665199] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 195.670056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 195.675591] ? fput+0x130/0x1a0 [ 195.678872] ? __bpf_prog_get+0x9b/0x290 [ 195.682945] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 195.687787] ? bpf_prog_test_run+0x130/0x1a0 [ 195.692201] ? __x64_sys_bpf+0x3d8/0x510 [ 195.696288] ? bpf_prog_get+0x20/0x20 [ 195.700113] ? ksys_ioctl+0x81/0xd0 [ 195.703748] ? do_syscall_64+0x1b9/0x820 [ 195.707813] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 195.713218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 195.718151] ? trace_hardirqs_off+0x300/0x300 [ 195.722657] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 195.727685] ? recalc_sigpending_tsk+0x180/0x180 [ 195.732439] ? kasan_check_write+0x14/0x20 [ 195.736695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.741552] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 195.746953] warn_alloc_show_mem: 1 callbacks suppressed [ 195.746965] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 195.746967] Mem-Info: [ 195.747003] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 195.747003] active_file:17 inactive_file:11 isolated_file:5 [ 195.747003] unevictable:0 dirty:0 writeback:0 unstable:0 [ 195.747003] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 195.747003] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 195.747003] free:13528 free_pcp:440 free_cma:0 [ 195.752348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.759541] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 195.761941] Call Trace: [ 195.794812] Node 0 [ 195.804174] [ 195.831948] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 195.834521] dump_stack+0x1c4/0x2b4 [ 195.836730] lowmem_reserve[]: [ 195.838881] ? dump_stack_print_info.cold.2+0x52/0x52 [ 195.864358] 0 2815 [ 195.868019] warn_alloc.cold.118+0xb7/0x1bd [ 195.871084] 6318 [ 195.876281] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 195.878487] 6318 [ 195.878501] Node 0 [ 195.882817] ? lock_downgrade+0x900/0x900 [ 195.884896] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 195.889709] ? trace_hardirqs_off+0xb8/0x300 [ 195.891749] lowmem_reserve[]: [ 195.894011] ? trace_hardirqs_off+0xb8/0x300 [ 195.898150] 0 [ 195.925304] __alloc_pages_slowpath+0x2667/0x2d80 [ 195.929686] 0 [ 195.932824] ? warn_alloc+0x120/0x120 [ 195.937185] 3503 [ 195.938993] ? trace_hardirqs_on+0x310/0x310 [ 195.943808] 3503 [ 195.945613] ? warn_alloc+0x120/0x120 [ 195.949390] Node 0 [ 195.951451] ? print_usage_bug+0xc0/0xc0 [ 195.955860] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 195.957892] ? warn_alloc+0x120/0x120 [ 195.961662] lowmem_reserve[]: 0 [ 195.963909] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 195.967939] 0 0 [ 195.996407] ? print_usage_bug+0xc0/0xc0 [ 196.000178] 0 [ 196.003521] ? __lock_acquire+0x7ec/0x4ec0 [ 196.008513] Node 0 [ 196.010483] ? __lock_acquire+0x7ec/0x4ec0 [ 196.014522] DMA: [ 196.016320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 196.020529] 1*4kB [ 196.022773] ? should_fail+0x22d/0xd01 [ 196.026985] (U) [ 196.029044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 196.034558] 0*8kB [ 196.036705] ? __lock_acquire+0x7ec/0x4ec0 [ 196.040573] 0*16kB [ 196.042546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 196.047626] 1*32kB [ 196.049773] ? __lock_acquire+0x7ec/0x4ec0 [ 196.054073] (U) [ 196.056306] ? should_fail+0x22d/0xd01 [ 196.061387] 2*64kB [ 196.063618] ? print_usage_bug+0xc0/0xc0 [ 196.067825] (U) 1*128kB [ 196.069817] ? mark_held_locks+0x130/0x130 [ 196.073676] (U) [ 196.075907] ? mark_held_locks+0x130/0x130 [ 196.079958] 1*256kB [ 196.082634] ? graph_lock+0x170/0x170 [ 196.086856] (U) [ 196.088828] ? print_usage_bug+0xc0/0xc0 [ 196.093041] 0*512kB [ 196.095358] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.099143] 1*1024kB (U) [ 196.101138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.105172] 1*2048kB (M) [ 196.107507] ? check_preemption_disabled+0x48/0x200 [ 196.112240] 3*4096kB [ 196.115012] ? check_preemption_disabled+0x48/0x200 [ 196.115038] ? __lock_is_held+0xb5/0x140 [ 196.120546] (M) [ 196.123306] __alloc_pages_nodemask+0xa80/0xde0 [ 196.128296] = 15908kB [ 196.130703] ? graph_lock+0x170/0x170 [ 196.135700] Node 0 [ 196.139758] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 196.141714] DMA32: [ 196.146465] ? graph_lock+0x170/0x170 [ 196.148852] 4*4kB [ 196.152655] ? find_held_lock+0x36/0x1c0 [ 196.154864] (UM) [ 196.159882] ? ____cache_alloc_node+0x1c7/0x1e0 [ 196.162092] 3*8kB [ 196.165886] ? lock_downgrade+0x900/0x900 [ 196.168017] (UM) [ 196.172082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.174122] 1*16kB [ 196.178788] cache_grow_begin+0x91/0x8c0 [ 196.180909] (M) 2*32kB [ 196.185064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 196.187094] (UM) 3*64kB [ 196.192644] fallback_alloc+0x203/0x2e0 [ 196.194855] (UM) [ 196.198912] ____cache_alloc_node+0x1c7/0x1e0 [ 196.201471] 4*128kB [ 196.205885] kmem_cache_alloc_node+0xe3/0x730 [ 196.208528] (UM) [ 196.212506] ? ipv6_get_ifaddr+0x42e/0x620 [ 196.214538] 2*256kB (M) [ 196.219041] __alloc_skb+0x119/0x770 [ 196.221341] 4*512kB [ 196.225831] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 196.227868] (UM) [ 196.232097] ? skb_scrub_packet+0x490/0x490 [ 196.234747] 3*1024kB [ 196.238454] ? lock_downgrade+0x900/0x900 [ 196.240752] (M) [ 196.246037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.248076] 1*2048kB [ 196.252396] ? refcount_sub_and_test_checked+0x203/0x310 [ 196.254782] (M) [ 196.258925] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 196.260893] 4*4096kB [ 196.266425] ? addrconf_rs_timer+0x6f0/0x6f0 [ 196.268811] (M) [ 196.274270] ndisc_alloc_skb+0x144/0x340 [ 196.276217] = 24888kB [ 196.276227] Node 0 [ 196.281673] ndisc_send_rs+0x331/0x6e0 [ 196.284053] Normal: 1035*4kB [ 196.288472] addrconf_rs_timer+0x3c0/0x6f0 [ 196.290424] (MEH) [ 196.294480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.296867] 457*8kB [ 196.299109] call_timer_fn+0x272/0x920 [ 196.302960] (UMEH) 163*16kB [ 196.306078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.306097] ? process_timeout+0x40/0x40 [ 196.310309] (MEH) 58*32kB [ 196.312464] ? find_held_lock+0x36/0x1c0 [ 196.316670] (UMEH) 13*64kB [ 196.319008] ? __run_timers+0x7da/0xc70 [ 196.322869] (UMH) [ 196.325881] ? _raw_spin_unlock_irq+0x27/0x80 [ 196.330090] 2*128kB [ 196.334149] ? _raw_spin_unlock_irq+0x27/0x80 [ 196.336968] (H) 0*256kB [ 196.341035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.343939] 0*512kB 0*1024kB [ 196.347923] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 196.350049] 0*2048kB [ 196.354564] ? trace_hardirqs_on+0xbd/0x310 [ 196.356864] 0*4096kB [ 196.361344] ? kasan_check_read+0x11/0x20 [ 196.361363] ? __run_timers+0x7da/0xc70 [ 196.364013] = 13348kB [ 196.368255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 196.371347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 196.375920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.378321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 196.382634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 196.385019] 412 total pagecache pages [ 196.389175] __run_timers+0x7e5/0xc70 [ 196.393131] 0 pages in swap cache [ 196.395555] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 196.401187] Swap cache stats: add 0, delete 0, find 0/0 [ 196.401197] Free swap = 0kB [ 196.410042] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 196.414246] Total swap = 0kB [ 196.414255] 1965979 pages RAM [ 196.422825] ? graph_lock+0x170/0x170 [ 196.427028] 0 pages HighMem/MovableOnly [ 196.427038] 343323 pages reserved [ 196.430834] ? enqueue_hrtimer+0x1a5/0x560 [ 196.434614] 0 pages cma reserved [ 196.438055] ? lock_release+0x970/0x970 [ 196.438083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 196.443504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 196.448788] ? find_held_lock+0x36/0x1c0 [ 196.448808] ? graph_lock+0x170/0x170 [ 196.448826] ? pvclock_read_flags+0x160/0x160 [ 196.451890] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 196.456851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.459845] syz-executor3 cpuset= [ 196.462950] ? check_preemption_disabled+0x48/0x200 [ 196.466725] syz3 [ 196.470699] ? __lock_is_held+0xb5/0x140 [ 196.474119] mems_allowed=0 [ 196.543068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.548609] ? check_preemption_disabled+0x48/0x200 [ 196.553634] run_timer_softirq+0x52/0xb0 [ 196.557698] ? rcu_read_lock_sched_held+0x108/0x120 [ 196.562719] __do_softirq+0x30b/0xad8 [ 196.566534] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 196.571644] ? pvclock_read_flags+0x160/0x160 [ 196.576138] ? lapic_next_event+0x5a/0x90 [ 196.580296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.585839] ? check_preemption_disabled+0x48/0x200 [ 196.590861] ? check_preemption_disabled+0x48/0x200 [ 196.595892] ? kvm_clock_read+0x18/0x30 [ 196.599867] ? kvm_sched_clock_read+0x9/0x20 [ 196.604278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.609815] ? check_preemption_disabled+0x48/0x200 [ 196.614844] irq_exit+0x17f/0x1c0 [ 196.618302] smp_apic_timer_interrupt+0x1cb/0x760 [ 196.623147] ? smp_reschedule_interrupt+0x109/0x650 [ 196.628171] ? smp_call_function_single_interrupt+0x650/0x650 [ 196.634057] ? interrupt_entry+0xb5/0xf0 [ 196.638125] ? trace_hardirqs_off_caller+0xbb/0x300 [ 196.643146] ? trace_hardirqs_off_caller+0xbb/0x300 [ 196.648167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.653010] ? trace_hardirqs_off+0x300/0x300 [ 196.657550] ? trace_hardirqs_off+0x300/0x300 [ 196.662048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.667606] ? check_preemption_disabled+0x48/0x200 [ 196.672619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.678165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.683038] apic_timer_interrupt+0xf/0x20 [ 196.687269] [ 196.689513] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 196.694448] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 196.713346] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 196.721055] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 196.728325] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 196.735597] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 196.742865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 196.750134] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 196.757450] skb_clone+0x1bb/0x500 [ 196.760991] ? finish_task_switch+0x1b5/0x900 [ 196.765495] ? skb_split+0x11e0/0x11e0 [ 196.769385] ? preempt_notifier_register+0x200/0x200 [ 196.774494] ? __switch_to_asm+0x34/0x70 [ 196.778554] ? __switch_to_asm+0x34/0x70 [ 196.782610] ? __switch_to_asm+0x40/0x70 [ 196.786667] ? __switch_to_asm+0x34/0x70 [ 196.790725] ? __switch_to_asm+0x40/0x70 [ 196.794785] ? __switch_to_asm+0x34/0x70 [ 196.798841] ? __switch_to_asm+0x40/0x70 [ 196.802898] ? __switch_to_asm+0x34/0x70 [ 196.806974] ? __switch_to_asm+0x34/0x70 [ 196.811033] ? __switch_to_asm+0x40/0x70 [ 196.815089] ? __switch_to_asm+0x34/0x70 [ 196.819181] bpf_clone_redirect+0xb9/0x490 [ 196.823429] ? __schedule+0x874/0x1ed0 [ 196.827413] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 196.832440] ? __sched_text_start+0x8/0x8 [ 196.836614] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 196.841376] ? find_held_lock+0x36/0x1c0 [ 196.845447] ? lock_acquire+0x1ed/0x520 [ 196.849422] ? bpf_test_run+0x32e/0x5a0 [ 196.853402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.858953] ? check_preemption_disabled+0x48/0x200 [ 196.864006] ? kasan_check_read+0x11/0x20 [ 196.868166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 196.873449] ? rcu_bh_qs+0xc0/0xc0 [ 196.876990] ? preempt_schedule+0x4d/0x60 [ 196.881154] ? ___preempt_schedule+0x16/0x18 [ 196.885596] ? bpf_test_run+0x1c0/0x5a0 [ 196.889601] ? netlink_diag_dump+0x2a0/0x2a0 [ 196.894012] ? bpf_prog_test_run_skb+0x295/0xb40 [ 196.898772] ? bpf_prog_test_run_skb+0x634/0xb40 [ 196.903533] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 196.908376] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 196.913914] ? fput+0x130/0x1a0 [ 196.917196] ? __bpf_prog_get+0x9b/0x290 [ 196.921268] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 196.926125] ? bpf_prog_test_run+0x130/0x1a0 [ 196.930546] ? __x64_sys_bpf+0x3d8/0x510 [ 196.934657] ? bpf_prog_get+0x20/0x20 [ 196.938498] ? do_syscall_64+0x1b9/0x820 [ 196.942564] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 196.947933] ? syscall_return_slowpath+0x5e0/0x5e0 [ 196.952864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.957731] ? trace_hardirqs_off+0x300/0x300 [ 196.962259] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 196.967299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 196.972838] ? prepare_exit_to_usermode+0x291/0x3b0 [ 196.977861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.982721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 196.988105] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 196.988175] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 196.995301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.995322] Call Trace: [ 197.001891] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 197.011144] [ 197.013729] syz-executor3 cpuset= [ 197.024254] dump_stack+0x1c4/0x2b4 [ 197.026383] syz3 [ 197.029832] ? dump_stack_print_info.cold.2+0x52/0x52 [ 197.033461] mems_allowed=0 [ 197.035437] warn_alloc.cold.118+0xb7/0x1bd [ 197.047829] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 197.052677] ? lock_downgrade+0x900/0x900 [ 197.056834] ? trace_hardirqs_off+0xb8/0x300 [ 197.061248] ? trace_hardirqs_off+0xb8/0x300 [ 197.065667] __alloc_pages_slowpath+0x2667/0x2d80 [ 197.070550] ? warn_alloc+0x120/0x120 [ 197.074356] ? warn_alloc+0x120/0x120 [ 197.078157] ? print_usage_bug+0xc0/0xc0 [ 197.082231] ? warn_alloc+0x120/0x120 [ 197.086033] ? print_usage_bug+0xc0/0xc0 [ 197.090110] ? __lock_acquire+0x7ec/0x4ec0 [ 197.094343] ? __lock_acquire+0x7ec/0x4ec0 [ 197.098582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.104122] ? should_fail+0x22d/0xd01 [ 197.108051] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.113160] ? __lock_acquire+0x7ec/0x4ec0 [ 197.117399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 197.122498] ? __lock_acquire+0x7ec/0x4ec0 [ 197.126733] ? should_fail+0x22d/0xd01 [ 197.130634] ? mark_held_locks+0x130/0x130 [ 197.134875] ? mark_held_locks+0x130/0x130 [ 197.139115] ? graph_lock+0x170/0x170 [ 197.142915] ? graph_lock+0x170/0x170 [ 197.146726] ? graph_lock+0x170/0x170 [ 197.150526] ? print_usage_bug+0xc0/0xc0 [ 197.154590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.160127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.165662] ? check_preemption_disabled+0x48/0x200 [ 197.170679] ? check_preemption_disabled+0x48/0x200 [ 197.175711] ? __lock_is_held+0xb5/0x140 [ 197.179780] __alloc_pages_nodemask+0xa80/0xde0 [ 197.184450] ? graph_lock+0x170/0x170 [ 197.188261] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 197.193296] ? graph_lock+0x170/0x170 [ 197.197136] ? find_held_lock+0x36/0x1c0 [ 197.201211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 197.205886] ? lock_downgrade+0x900/0x900 [ 197.210053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.215602] cache_grow_begin+0x91/0x8c0 [ 197.219664] ? do_raw_spin_unlock+0xa7/0x2f0 [ 197.224103] fallback_alloc+0x203/0x2e0 [ 197.228085] ____cache_alloc_node+0x1c7/0x1e0 [ 197.232587] kmem_cache_alloc_node+0xe3/0x730 [ 197.237087] ? ipv6_get_ifaddr+0x42e/0x620 [ 197.241343] __alloc_skb+0x119/0x770 [ 197.245059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 197.250339] ? skb_scrub_packet+0x490/0x490 [ 197.254680] ? lock_downgrade+0x900/0x900 [ 197.258863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.264404] ? refcount_sub_and_test_checked+0x203/0x310 [ 197.269861] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 197.275321] ? addrconf_rs_timer+0x6f0/0x6f0 [ 197.279748] ndisc_alloc_skb+0x144/0x340 [ 197.283820] ndisc_send_rs+0x331/0x6e0 [ 197.287715] addrconf_rs_timer+0x3c0/0x6f0 [ 197.291962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.296232] call_timer_fn+0x272/0x920 [ 197.300145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.304390] ? process_timeout+0x40/0x40 [ 197.308463] ? find_held_lock+0x36/0x1c0 [ 197.312544] ? __run_timers+0x7da/0xc70 [ 197.316547] ? _raw_spin_unlock_irq+0x27/0x80 [ 197.321044] ? _raw_spin_unlock_irq+0x27/0x80 [ 197.325670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.329905] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 197.334488] ? trace_hardirqs_on+0xbd/0x310 [ 197.338820] ? kasan_check_read+0x11/0x20 [ 197.342981] ? __run_timers+0x7da/0xc70 [ 197.346975] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 197.352452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 197.356688] __run_timers+0x7e5/0xc70 [ 197.360502] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 197.365866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 197.370883] ? graph_lock+0x170/0x170 [ 197.374698] ? enqueue_hrtimer+0x1a5/0x560 [ 197.378927] ? lock_release+0x970/0x970 [ 197.382908] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 197.388104] ? find_held_lock+0x36/0x1c0 [ 197.392171] ? graph_lock+0x170/0x170 [ 197.396006] ? pvclock_read_flags+0x160/0x160 [ 197.400508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.406047] ? check_preemption_disabled+0x48/0x200 [ 197.411077] ? __lock_is_held+0xb5/0x140 [ 197.415141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.420677] ? check_preemption_disabled+0x48/0x200 [ 197.425705] run_timer_softirq+0x52/0xb0 [ 197.429771] ? rcu_read_lock_sched_held+0x108/0x120 [ 197.434790] __do_softirq+0x30b/0xad8 [ 197.438602] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 197.443710] ? pvclock_read_flags+0x160/0x160 [ 197.448206] ? lapic_next_event+0x5a/0x90 [ 197.452354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.457889] ? check_preemption_disabled+0x48/0x200 [ 197.462913] ? check_preemption_disabled+0x48/0x200 [ 197.467941] ? kvm_clock_read+0x18/0x30 [ 197.471914] ? kvm_sched_clock_read+0x9/0x20 [ 197.476327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.481867] ? check_preemption_disabled+0x48/0x200 [ 197.486901] irq_exit+0x17f/0x1c0 [ 197.490363] smp_apic_timer_interrupt+0x1cb/0x760 [ 197.495216] ? smp_reschedule_interrupt+0x109/0x650 [ 197.500240] ? smp_call_function_single_interrupt+0x650/0x650 [ 197.506122] ? interrupt_entry+0xb5/0xf0 [ 197.510745] ? trace_hardirqs_off_caller+0xbb/0x300 [ 197.515759] ? trace_hardirqs_off_caller+0xbb/0x300 [ 197.520777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 197.525618] ? trace_hardirqs_off+0x300/0x300 [ 197.530114] ? trace_hardirqs_off+0x300/0x300 [ 197.534742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.540279] ? check_preemption_disabled+0x48/0x200 [ 197.545291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.550834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 197.555687] apic_timer_interrupt+0xf/0x20 [ 197.559913] [ 197.562151] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 197.567079] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 197.585973] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 197.593688] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 197.600952] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 197.608222] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 197.615486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 197.622752] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 197.630061] skb_clone+0x1bb/0x500 [ 197.633609] ? finish_task_switch+0x664/0x900 [ 197.638106] ? skb_split+0x11e0/0x11e0 [ 197.641998] ? preempt_notifier_register+0x200/0x200 [ 197.647102] ? __switch_to_asm+0x34/0x70 [ 197.651165] ? __switch_to_asm+0x34/0x70 [ 197.655229] ? __switch_to_asm+0x40/0x70 [ 197.659288] ? __switch_to_asm+0x34/0x70 [ 197.663346] ? __switch_to_asm+0x40/0x70 [ 197.667404] ? __switch_to_asm+0x34/0x70 [ 197.671465] ? __switch_to_asm+0x40/0x70 [ 197.675539] ? __switch_to_asm+0x34/0x70 [ 197.679601] ? __switch_to_asm+0x34/0x70 [ 197.683675] ? __switch_to_asm+0x40/0x70 [ 197.687748] ? __switch_to_asm+0x34/0x70 [ 197.691816] bpf_clone_redirect+0xb9/0x490 [ 197.696054] ? __schedule+0x874/0x1ed0 [ 197.699944] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 197.704965] ? __sched_text_start+0x8/0x8 [ 197.709127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 197.713901] ? find_held_lock+0x36/0x1c0 [ 197.717974] ? lock_acquire+0x1ed/0x520 [ 197.721947] ? bpf_test_run+0x32e/0x5a0 [ 197.725921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 197.731458] ? check_preemption_disabled+0x48/0x200 [ 197.736478] ? kasan_check_read+0x11/0x20 [ 197.740633] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 197.745909] ? rcu_bh_qs+0xc0/0xc0 [ 197.749448] ? preempt_schedule+0x4d/0x60 [ 197.753590] ? ___preempt_schedule+0x16/0x18 [ 197.758007] ? bpf_test_run+0x1c0/0x5a0 [ 197.761996] ? netlink_diag_dump+0x2a0/0x2a0 [ 197.766405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 197.771942] ? bpf_test_init.isra.9+0x70/0x100 [ 197.776529] ? bpf_prog_test_run_skb+0x634/0xb40 [ 197.781304] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 197.786144] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 197.791677] ? fput+0x130/0x1a0 [ 197.794958] ? __bpf_prog_get+0x9b/0x290 [ 197.799024] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 197.803865] ? bpf_prog_test_run+0x130/0x1a0 [ 197.808288] ? __x64_sys_bpf+0x3d8/0x510 [ 197.812363] ? bpf_prog_get+0x20/0x20 [ 197.816173] ? ksys_ioctl+0x81/0xd0 [ 197.819809] ? do_syscall_64+0x1b9/0x820 [ 197.823872] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 197.829254] ? syscall_return_slowpath+0x5e0/0x5e0 [ 197.834185] ? trace_hardirqs_off+0x300/0x300 [ 197.838692] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 197.843707] ? recalc_sigpending_tsk+0x180/0x180 [ 197.848476] ? kasan_check_write+0x14/0x20 [ 197.852717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 197.857569] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 197.862956] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 197.862962] warn_alloc_show_mem: 1 callbacks suppressed [ 197.862969] Mem-Info: [ 197.870152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.870161] Call Trace: [ 197.875620] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 197.875620] active_file:17 inactive_file:11 isolated_file:5 [ 197.875620] unevictable:0 dirty:0 writeback:0 unstable:0 [ 197.875620] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 197.875620] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 197.875620] free:13528 free_pcp:440 free_cma:0 [ 197.878001] [ 197.887421] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 197.890007] dump_stack+0x1c4/0x2b4 [ 197.922861] Node 0 [ 197.925012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 197.952817] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 197.956429] warn_alloc.cold.118+0xb7/0x1bd [ 197.958641] lowmem_reserve[]: [ 197.963840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 197.989312] 0 2815 [ 197.993639] ? lock_downgrade+0x900/0x900 [ 197.996716] 6318 6318 [ 198.001565] ? trace_hardirqs_off+0xb8/0x300 [ 198.007929] ? trace_hardirqs_off+0xb8/0x300 [ 198.010411] Node 0 [ 198.014820] __alloc_pages_slowpath+0x2667/0x2d80 [ 198.019232] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 198.021456] ? warn_alloc+0x120/0x120 [ 198.026258] lowmem_reserve[]: [ 198.053404] ? trace_hardirqs_on+0x310/0x310 [ 198.057189] 0 [ 198.060311] ? warn_alloc+0x120/0x120 [ 198.064706] 0 [ 198.066507] ? print_usage_bug+0xc0/0xc0 [ 198.070279] 3503 [ 198.072076] ? warn_alloc+0x120/0x120 [ 198.076121] 3503 [ 198.078177] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 198.084069] ? print_usage_bug+0xc0/0xc0 [ 198.089061] Node 0 Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 198.093158] ? __lock_acquire+0x7ec/0x4ec0 [ 198.093175] ? __lock_acquire+0x7ec/0x4ec0 [ 198.122207] lowmem_reserve[]: 0 [ 198.126448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 198.130662] 0 [ 198.133936] ? should_fail+0x22d/0xd01 [ 198.139445] 0 [ 198.141258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 198.145116] 0 [ 198.146928] ? __lock_acquire+0x7ec/0x4ec0 [ 198.152012] Node 0 [ 198.153816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 198.158027] DMA: [ 198.160259] ? __lock_acquire+0x7ec/0x4ec0 [ 198.165340] 1*4kB [ 198.167397] ? should_fail+0x22d/0xd01 [ 198.171605] (U) [ 198.173749] ? print_usage_bug+0xc0/0xc0 [ 198.177617] 0*8kB [ 198.179596] ? mark_held_locks+0x130/0x130 [ 198.183625] 0*16kB 1*32kB [ 198.185780] ? mark_held_locks+0x130/0x130 [ 198.190015] (U) [ 198.192874] ? graph_lock+0x170/0x170 [ 198.197080] 2*64kB [ 198.199049] ? print_usage_bug+0xc0/0xc0 [ 198.202826] (U) [ 198.205072] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.209108] 1*128kB [ 198.211084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.215815] (U) [ 198.218135] ? check_preemption_disabled+0x48/0x200 [ 198.223641] 1*256kB (U) [ 198.225625] ? check_preemption_disabled+0x48/0x200 [ 198.230628] 0*512kB [ 198.233302] ? __lock_is_held+0xb5/0x140 [ 198.238288] 1*1024kB [ 198.240608] __alloc_pages_nodemask+0xa80/0xde0 [ 198.244641] (U) [ 198.247053] ? graph_lock+0x170/0x170 [ 198.251711] 1*2048kB [ 198.253685] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 198.257460] (M) [ 198.259885] ? graph_lock+0x170/0x170 [ 198.264876] 3*4096kB (M) [ 198.266863] ? find_held_lock+0x36/0x1c0 [ 198.270632] = 15908kB [ 198.273391] ? ____cache_alloc_node+0x1c7/0x1e0 [ 198.277421] Node 0 [ 198.279831] ? lock_downgrade+0x900/0x900 [ 198.284474] DMA32: [ 198.286715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.290839] 4*4kB [ 198.293073] cache_grow_begin+0x91/0x8c0 [ 198.298584] (UM) [ 198.300734] ? do_raw_spin_unlock+0xa7/0x2f0 [ 198.304773] 3*8kB [ 198.306833] fallback_alloc+0x203/0x2e0 [ 198.311218] (UM) [ 198.313367] ____cache_alloc_node+0x1c7/0x1e0 [ 198.317336] 1*16kB [ 198.319406] kmem_cache_alloc_node+0xe3/0x730 [ 198.323873] (M) [ 198.326110] ? ipv6_get_ifaddr+0x42e/0x620 [ 198.330581] 2*32kB [ 198.332589] __alloc_skb+0x119/0x770 [ 198.336791] (UM) [ 198.339027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 198.342715] 3*64kB [ 198.344775] ? skb_scrub_packet+0x490/0x490 [ 198.350028] (UM) [ 198.352260] ? lock_downgrade+0x900/0x900 [ 198.356554] 4*128kB (UM) [ 198.358625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.362749] 2*256kB [ 198.365518] ? refcount_sub_and_test_checked+0x203/0x310 [ 198.371029] (M) [ 198.373361] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 198.378789] 4*512kB [ 198.380762] ? addrconf_rs_timer+0x6f0/0x6f0 [ 198.386185] (UM) [ 198.388521] ndisc_alloc_skb+0x144/0x340 [ 198.392910] 3*1024kB [ 198.394991] ndisc_send_rs+0x331/0x6e0 [ 198.399262] (M) 1*2048kB (M) 4*4096kB (M) = 24888kB [ 198.399279] Node 0 Normal: 1035*4kB (MEH) 457*8kB (UMEH) 163*16kB (MEH) 58*32kB (UMEH) 13*64kB (UMH) 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13348kB [ 198.399350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 198.399356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 198.399359] 412 total pagecache pages [ 198.399368] 0 pages in swap cache [ 198.399373] Swap cache stats: add 0, delete 0, find 0/0 [ 198.399376] Free swap = 0kB [ 198.399378] Total swap = 0kB [ 198.399382] 1965979 pages RAM [ 198.399385] 0 pages HighMem/MovableOnly [ 198.399388] 343323 pages reserved [ 198.399390] 0 pages cma reserved [ 198.399463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 198.399544] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 198.401952] addrconf_rs_timer+0x3c0/0x6f0 [ 198.405813] syz-executor3 cpuset= [ 198.410827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.425728] syz3 [ 198.434583] call_timer_fn+0x272/0x920 [ 198.443130] mems_allowed=0 [ 198.446936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.517352] ? process_timeout+0x40/0x40 [ 198.521413] ? find_held_lock+0x36/0x1c0 [ 198.525481] ? __run_timers+0x7da/0xc70 [ 198.529467] ? _raw_spin_unlock_irq+0x27/0x80 [ 198.533965] ? _raw_spin_unlock_irq+0x27/0x80 [ 198.538462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.542706] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 198.547292] ? trace_hardirqs_on+0xbd/0x310 [ 198.551641] ? kasan_check_read+0x11/0x20 [ 198.555788] ? __run_timers+0x7da/0xc70 [ 198.559766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 198.565225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.569466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 198.573706] __run_timers+0x7e5/0xc70 [ 198.577525] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 198.582900] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 198.587917] ? graph_lock+0x170/0x170 [ 198.591730] ? enqueue_hrtimer+0x1a5/0x560 [ 198.595965] ? lock_release+0x970/0x970 [ 198.599952] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 198.605184] ? find_held_lock+0x36/0x1c0 [ 198.609255] ? graph_lock+0x170/0x170 [ 198.613062] ? pvclock_read_flags+0x160/0x160 [ 198.617559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.623122] ? check_preemption_disabled+0x48/0x200 [ 198.628152] ? __lock_is_held+0xb5/0x140 [ 198.632217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.637755] ? check_preemption_disabled+0x48/0x200 [ 198.642784] run_timer_softirq+0x52/0xb0 [ 198.646843] ? rcu_read_lock_sched_held+0x108/0x120 [ 198.651865] __do_softirq+0x30b/0xad8 [ 198.655678] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 198.660786] ? pvclock_read_flags+0x160/0x160 [ 198.665282] ? lapic_next_event+0x5a/0x90 [ 198.669429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.674998] ? check_preemption_disabled+0x48/0x200 [ 198.680011] ? check_preemption_disabled+0x48/0x200 [ 198.685051] ? kvm_clock_read+0x18/0x30 [ 198.689029] ? kvm_sched_clock_read+0x9/0x20 [ 198.693441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.698976] ? check_preemption_disabled+0x48/0x200 [ 198.704007] irq_exit+0x17f/0x1c0 [ 198.707469] smp_apic_timer_interrupt+0x1cb/0x760 [ 198.712314] ? smp_reschedule_interrupt+0x109/0x650 [ 198.717333] ? smp_call_function_single_interrupt+0x650/0x650 [ 198.723239] ? interrupt_entry+0xb5/0xf0 [ 198.727303] ? trace_hardirqs_off_caller+0xbb/0x300 [ 198.732334] ? trace_hardirqs_off_caller+0xbb/0x300 [ 198.737350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.742197] ? trace_hardirqs_off+0x300/0x300 [ 198.746690] ? trace_hardirqs_off+0x300/0x300 [ 198.751188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.756725] ? check_preemption_disabled+0x48/0x200 [ 198.761744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.767289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 198.772139] apic_timer_interrupt+0xf/0x20 [ 198.776365] [ 198.778607] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 198.783541] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 198.802441] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 198.810148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 198.817422] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 198.824691] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 198.831954] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 198.839219] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 198.846550] skb_clone+0x1bb/0x500 [ 198.850095] ? finish_task_switch+0x1b5/0x900 [ 198.854592] ? skb_split+0x11e0/0x11e0 [ 198.858483] ? preempt_notifier_register+0x200/0x200 [ 198.863594] ? __switch_to_asm+0x34/0x70 [ 198.867656] ? __switch_to_asm+0x34/0x70 [ 198.871716] ? __switch_to_asm+0x40/0x70 [ 198.875774] ? __switch_to_asm+0x34/0x70 [ 198.879836] ? __switch_to_asm+0x40/0x70 [ 198.883898] ? __switch_to_asm+0x34/0x70 [ 198.887958] ? __switch_to_asm+0x40/0x70 [ 198.892016] ? __switch_to_asm+0x34/0x70 [ 198.896074] ? __switch_to_asm+0x34/0x70 [ 198.900132] ? __switch_to_asm+0x40/0x70 [ 198.904189] ? __switch_to_asm+0x34/0x70 [ 198.908256] bpf_clone_redirect+0xb9/0x490 [ 198.912503] ? __schedule+0x874/0x1ed0 [ 198.916404] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 198.921422] ? __sched_text_start+0x8/0x8 [ 198.925584] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 198.930351] ? find_held_lock+0x36/0x1c0 [ 198.934421] ? lock_acquire+0x1ed/0x520 [ 198.938393] ? bpf_test_run+0x32e/0x5a0 [ 198.942373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 198.947911] ? check_preemption_disabled+0x48/0x200 [ 198.952933] ? kasan_check_read+0x11/0x20 [ 198.957084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 198.962366] ? rcu_bh_qs+0xc0/0xc0 [ 198.965907] ? preempt_schedule+0x4d/0x60 [ 198.970053] ? ___preempt_schedule+0x16/0x18 [ 198.974479] ? bpf_test_run+0x1c0/0x5a0 [ 198.978471] ? netlink_diag_dump+0x2a0/0x2a0 [ 198.982891] ? bpf_prog_test_run_skb+0x295/0xb40 [ 198.987661] ? bpf_prog_test_run_skb+0x634/0xb40 [ 198.992423] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 198.997269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 199.002806] ? fput+0x130/0x1a0 [ 199.006087] ? __bpf_prog_get+0x9b/0x290 [ 199.010163] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 199.015004] ? bpf_prog_test_run+0x130/0x1a0 [ 199.019417] ? __x64_sys_bpf+0x3d8/0x510 [ 199.023477] ? bpf_prog_get+0x20/0x20 [ 199.027305] ? do_syscall_64+0x1b9/0x820 [ 199.031366] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 199.036733] ? syscall_return_slowpath+0x5e0/0x5e0 [ 199.041661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 199.046516] ? trace_hardirqs_off+0x300/0x300 [ 199.051019] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 199.056039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.061578] ? prepare_exit_to_usermode+0x291/0x3b0 [ 199.066603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 199.071459] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 199.076847] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 199.076923] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 199.084041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.084046] Call Trace: [ 199.084053] [ 199.084070] dump_stack+0x1c4/0x2b4 [ 199.084089] ? dump_stack_print_info.cold.2+0x52/0x52 [ 199.090658] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 199.099930] warn_alloc.cold.118+0xb7/0x1bd [ 199.102485] syz-executor3 cpuset= [ 199.104634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 199.108242] syz3 [ 199.113429] ? lock_downgrade+0x900/0x900 [ 199.123886] mems_allowed=0 [ 199.145495] ? trace_hardirqs_off+0xb8/0x300 [ 199.149913] ? trace_hardirqs_off+0xb8/0x300 [ 199.154336] __alloc_pages_slowpath+0x2667/0x2d80 [ 199.159234] ? warn_alloc+0x120/0x120 [ 199.163044] ? warn_alloc+0x120/0x120 [ 199.166847] ? print_usage_bug+0xc0/0xc0 [ 199.170912] ? warn_alloc+0x120/0x120 [ 199.174712] ? lock_release+0x970/0x970 [ 199.178688] ? print_usage_bug+0xc0/0xc0 [ 199.182757] ? __lock_acquire+0x7ec/0x4ec0 [ 199.187001] ? __lock_acquire+0x7ec/0x4ec0 [ 199.191245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.196784] ? should_fail+0x22d/0xd01 [ 199.200678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.205783] ? __lock_acquire+0x7ec/0x4ec0 [ 199.210032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 199.215132] ? __lock_acquire+0x7ec/0x4ec0 [ 199.219363] ? should_fail+0x22d/0xd01 [ 199.223286] ? mark_held_locks+0x130/0x130 [ 199.227528] ? mark_held_locks+0x130/0x130 [ 199.231772] ? kvm_clock_read+0x18/0x30 [ 199.235751] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 199.240768] ? ktime_get+0x2e1/0x440 [ 199.244487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.250030] ? graph_lock+0x170/0x170 [ 199.253828] ? print_usage_bug+0xc0/0xc0 [ 199.257895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.263432] ? check_preemption_disabled+0x48/0x200 [ 199.268447] ? check_preemption_disabled+0x48/0x200 [ 199.273476] ? __lock_is_held+0xb5/0x140 [ 199.277545] __alloc_pages_nodemask+0xa80/0xde0 [ 199.282225] ? graph_lock+0x170/0x170 [ 199.286033] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 199.291048] ? graph_lock+0x170/0x170 [ 199.294862] ? find_held_lock+0x36/0x1c0 [ 199.298932] ? ____cache_alloc_node+0x1c7/0x1e0 [ 199.303619] ? lock_downgrade+0x900/0x900 [ 199.307779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.313323] cache_grow_begin+0x91/0x8c0 [ 199.317387] ? do_raw_spin_unlock+0xa7/0x2f0 [ 199.321807] fallback_alloc+0x203/0x2e0 [ 199.325792] ____cache_alloc_node+0x1c7/0x1e0 [ 199.330298] kmem_cache_alloc_node+0xe3/0x730 [ 199.334800] ? ipv6_get_ifaddr+0x42e/0x620 [ 199.339049] __alloc_skb+0x119/0x770 [ 199.342766] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 199.348048] ? skb_scrub_packet+0x490/0x490 [ 199.352368] ? lock_downgrade+0x900/0x900 [ 199.356529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.362065] ? refcount_sub_and_test_checked+0x203/0x310 [ 199.367520] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 199.372971] ? addrconf_rs_timer+0x6f0/0x6f0 [ 199.377410] ndisc_alloc_skb+0x144/0x340 [ 199.381476] ndisc_send_rs+0x331/0x6e0 [ 199.385371] addrconf_rs_timer+0x3c0/0x6f0 [ 199.389650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.393897] call_timer_fn+0x272/0x920 [ 199.397813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.402046] ? process_timeout+0x40/0x40 [ 199.406108] ? find_held_lock+0x36/0x1c0 [ 199.410183] ? __run_timers+0x7da/0xc70 [ 199.414164] ? _raw_spin_unlock_irq+0x27/0x80 [ 199.418663] ? _raw_spin_unlock_irq+0x27/0x80 [ 199.423159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.427546] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 199.432131] ? trace_hardirqs_on+0xbd/0x310 [ 199.436460] ? kasan_check_read+0x11/0x20 [ 199.440613] ? __run_timers+0x7da/0xc70 [ 199.444593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 199.450051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.454314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 199.458549] __run_timers+0x7e5/0xc70 [ 199.462369] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 199.467734] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 199.472753] ? graph_lock+0x170/0x170 [ 199.476560] ? enqueue_hrtimer+0x1a5/0x560 [ 199.480797] ? lock_release+0x970/0x970 [ 199.484773] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 199.489979] ? find_held_lock+0x36/0x1c0 [ 199.494047] ? graph_lock+0x170/0x170 [ 199.497858] ? pvclock_read_flags+0x160/0x160 [ 199.502353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.508377] ? check_preemption_disabled+0x48/0x200 [ 199.513421] ? __lock_is_held+0xb5/0x140 [ 199.517481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.523022] ? check_preemption_disabled+0x48/0x200 [ 199.528075] run_timer_softirq+0x52/0xb0 [ 199.532146] ? rcu_read_lock_sched_held+0x108/0x120 [ 199.537166] __do_softirq+0x30b/0xad8 [ 199.540980] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 199.546097] ? pvclock_read_flags+0x160/0x160 [ 199.550595] ? lapic_next_event+0x5a/0x90 [ 199.554750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.560288] ? check_preemption_disabled+0x48/0x200 [ 199.565311] ? check_preemption_disabled+0x48/0x200 [ 199.570339] ? kvm_clock_read+0x18/0x30 [ 199.574319] ? kvm_sched_clock_read+0x9/0x20 [ 199.578729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.584269] ? check_preemption_disabled+0x48/0x200 [ 199.589298] irq_exit+0x17f/0x1c0 [ 199.592754] smp_apic_timer_interrupt+0x1cb/0x760 [ 199.597602] ? smp_reschedule_interrupt+0x109/0x650 [ 199.602630] ? smp_call_function_single_interrupt+0x650/0x650 [ 199.608516] ? interrupt_entry+0xb5/0xf0 [ 199.612585] ? trace_hardirqs_off_caller+0xbb/0x300 [ 199.617600] ? trace_hardirqs_off_caller+0xbb/0x300 [ 199.622631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 199.627483] ? trace_hardirqs_off+0x300/0x300 [ 199.631974] ? trace_hardirqs_off+0x300/0x300 [ 199.636485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.642022] ? check_preemption_disabled+0x48/0x200 [ 199.647033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.652577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 199.657435] apic_timer_interrupt+0xf/0x20 [ 199.661691] [ 199.663933] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 199.668864] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 199.687771] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 199.695479] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 199.702749] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 199.710021] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 199.717294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 199.724563] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 199.731875] skb_clone+0x1bb/0x500 [ 199.735419] ? finish_task_switch+0x664/0x900 [ 199.739942] ? skb_split+0x11e0/0x11e0 [ 199.743832] ? preempt_notifier_register+0x200/0x200 [ 199.748933] ? __switch_to_asm+0x34/0x70 [ 199.752998] ? __switch_to_asm+0x34/0x70 [ 199.757057] ? __switch_to_asm+0x40/0x70 [ 199.761117] ? __switch_to_asm+0x34/0x70 [ 199.765179] ? __switch_to_asm+0x40/0x70 [ 199.769237] ? __switch_to_asm+0x34/0x70 [ 199.773300] ? __switch_to_asm+0x40/0x70 [ 199.777359] ? __switch_to_asm+0x34/0x70 [ 199.781420] ? __switch_to_asm+0x34/0x70 [ 199.785478] ? __switch_to_asm+0x40/0x70 [ 199.789546] ? __switch_to_asm+0x34/0x70 [ 199.793627] bpf_clone_redirect+0xb9/0x490 [ 199.797865] ? __schedule+0x874/0x1ed0 [ 199.801764] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 199.806782] ? __sched_text_start+0x8/0x8 [ 199.810933] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 199.815712] ? find_held_lock+0x36/0x1c0 [ 199.819781] ? lock_acquire+0x1ed/0x520 [ 199.823760] ? bpf_test_run+0x32e/0x5a0 [ 199.827734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 199.833278] ? check_preemption_disabled+0x48/0x200 [ 199.838302] ? kasan_check_read+0x11/0x20 [ 199.842463] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 199.847742] ? rcu_bh_qs+0xc0/0xc0 [ 199.851293] ? preempt_schedule+0x4d/0x60 [ 199.855445] ? ___preempt_schedule+0x16/0x18 [ 199.859862] ? bpf_test_run+0x1c0/0x5a0 [ 199.863855] ? netlink_diag_dump+0x2a0/0x2a0 [ 199.868269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 199.873804] ? bpf_test_init.isra.9+0x70/0x100 [ 199.878392] ? bpf_prog_test_run_skb+0x634/0xb40 [ 199.883158] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 199.888007] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 199.893542] ? fput+0x130/0x1a0 [ 199.896826] ? __bpf_prog_get+0x9b/0x290 [ 199.900893] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 199.905731] ? bpf_prog_test_run+0x130/0x1a0 [ 199.910146] ? __x64_sys_bpf+0x3d8/0x510 [ 199.914210] ? bpf_prog_get+0x20/0x20 [ 199.918025] ? ksys_ioctl+0x81/0xd0 [ 199.921666] ? do_syscall_64+0x1b9/0x820 [ 199.925726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 199.931096] ? syscall_return_slowpath+0x5e0/0x5e0 [ 199.936037] ? trace_hardirqs_off+0x300/0x300 [ 199.940547] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 199.945586] ? recalc_sigpending_tsk+0x180/0x180 [ 199.950351] ? kasan_check_write+0x14/0x20 [ 199.954595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 199.959449] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 199.964845] warn_alloc_show_mem: 1 callbacks suppressed [ 199.964869] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 199.964871] Mem-Info: [ 199.964913] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 199.964913] active_file:17 inactive_file:11 isolated_file:5 [ 199.964913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 199.964913] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 199.964913] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 199.964913] free:13528 free_pcp:440 free_cma:0 [ 199.970298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.977504] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 199.979909] Call Trace: [ 200.012787] Node 0 [ 200.022139] [ 200.049917] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 200.052487] dump_stack+0x1c4/0x2b4 [ 200.054702] lowmem_reserve[]: [ 200.056849] ? dump_stack_print_info.cold.2+0x52/0x52 [ 200.082332] 0 2815 [ 200.086006] warn_alloc.cold.118+0xb7/0x1bd [ 200.089080] 6318 [ 200.094266] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 200.096477] 6318 [ 200.100817] ? lock_downgrade+0x900/0x900 [ 200.107714] ? trace_hardirqs_off+0xb8/0x300 [ 200.109757] Node 0 [ 200.113901] ? trace_hardirqs_off+0xb8/0x300 [ 200.118306] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 200.120530] __alloc_pages_slowpath+0x2667/0x2d80 [ 200.124907] lowmem_reserve[]: [ 200.152089] ? warn_alloc+0x120/0x120 [ 200.156887] 0 [ 200.159987] ? trace_hardirqs_on+0x310/0x310 [ 200.163769] 0 [ 200.165567] ? warn_alloc+0x120/0x120 [ 200.169967] 3503 [ 200.171782] ? print_usage_bug+0xc0/0xc0 [ 200.175565] 3503 [ 200.177630] ? warn_alloc+0x120/0x120 [ 200.181674] Node 0 [ 200.183745] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 200.187555] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 200.189770] ? print_usage_bug+0xc0/0xc0 [ 200.194752] lowmem_reserve[]: 0 [ 200.223236] ? __lock_acquire+0x7ec/0x4ec0 [ 200.227277] 0 [ 200.230552] ? __lock_acquire+0x7ec/0x4ec0 [ 200.234759] 0 0 [ 200.236575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 200.242761] ? should_fail+0x22d/0xd01 [ 200.248275] Node 0 DMA: [ 200.252165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 200.252183] ? __lock_acquire+0x7ec/0x4ec0 [ 200.254835] 1*4kB [ 200.259947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 200.264151] (U) 0*8kB [ 200.266308] ? __lock_acquire+0x7ec/0x4ec0 [ 200.271396] 0*16kB [ 200.273894] ? should_fail+0x22d/0xd01 [ 200.278100] 1*32kB (U) [ 200.280353] ? print_usage_bug+0xc0/0xc0 [ 200.284208] 2*64kB (U) [ 200.286818] ? mark_held_locks+0x130/0x130 [ 200.290843] 1*128kB (U) [ 200.293441] ? mark_held_locks+0x130/0x130 [ 200.297644] 1*256kB (U) [ 200.300328] ? graph_lock+0x170/0x170 [ 200.304529] 0*512kB 1*1024kB [ 200.307227] ? print_usage_bug+0xc0/0xc0 [ 200.310996] (U) [ 200.314112] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.318149] 1*2048kB [ 200.320122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.324854] (M) [ 200.327264] ? check_preemption_disabled+0x48/0x200 [ 200.332774] 3*4096kB [ 200.334752] ? check_preemption_disabled+0x48/0x200 [ 200.339747] (M) [ 200.342161] ? __lock_is_held+0xb5/0x140 [ 200.347144] = 15908kB [ 200.349142] __alloc_pages_nodemask+0xa80/0xde0 [ 200.353179] Node 0 [ 200.355587] ? graph_lock+0x170/0x170 [ 200.360256] DMA32: [ 200.362486] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 200.366274] 4*4kB [ 200.368506] ? graph_lock+0x170/0x170 [ 200.373495] (UM) 3*8kB [ 200.375655] ? find_held_lock+0x36/0x1c0 [ 200.379424] (UM) [ 200.382004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 200.386043] 1*16kB [ 200.388102] ? lock_downgrade+0x900/0x900 [ 200.392746] (M) [ 200.394985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.399329] 2*32kB (UM) 3*64kB (UM) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24888kB [ 200.399373] Node 0 Normal: 1035*4kB (MEH) 457*8kB (UMEH) 163*16kB (MEH) 58*32kB (UMEH) 13*64kB (UMH) 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13348kB [ 200.399444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 200.399450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 200.399453] 412 total pagecache pages [ 200.399462] 0 pages in swap cache [ 200.399467] Swap cache stats: add 0, delete 0, find 0/0 [ 200.399470] Free swap = 0kB [ 200.399472] Total swap = 0kB [ 200.399476] 1965979 pages RAM [ 200.399479] 0 pages HighMem/MovableOnly [ 200.399482] 343323 pages reserved [ 200.399485] 0 pages cma reserved [ 200.399554] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 200.401517] cache_grow_begin+0x91/0x8c0 [ 200.407080] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 200.418204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 200.433107] syz-executor3 cpuset= [ 200.441958] fallback_alloc+0x203/0x2e0 [ 200.450507] syz3 [ 200.454306] ____cache_alloc_node+0x1c7/0x1e0 [ 200.458430] mems_allowed=0 [ 200.463791] kmem_cache_alloc_node+0xe3/0x730 [ 200.530293] ? ipv6_get_ifaddr+0x42e/0x620 [ 200.534543] __alloc_skb+0x119/0x770 [ 200.538259] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 200.543541] ? skb_scrub_packet+0x490/0x490 [ 200.547864] ? lock_downgrade+0x900/0x900 [ 200.552025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.557563] ? refcount_sub_and_test_checked+0x203/0x310 [ 200.563019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 200.568472] ? addrconf_rs_timer+0x6f0/0x6f0 [ 200.572899] ndisc_alloc_skb+0x144/0x340 [ 200.576965] ndisc_send_rs+0x331/0x6e0 [ 200.580860] addrconf_rs_timer+0x3c0/0x6f0 [ 200.585102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.589354] call_timer_fn+0x272/0x920 [ 200.593248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.597484] ? process_timeout+0x40/0x40 [ 200.601554] ? find_held_lock+0x36/0x1c0 [ 200.605625] ? __run_timers+0x7da/0xc70 [ 200.609606] ? _raw_spin_unlock_irq+0x27/0x80 [ 200.614360] ? _raw_spin_unlock_irq+0x27/0x80 [ 200.618856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.623089] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 200.627675] ? trace_hardirqs_on+0xbd/0x310 [ 200.631999] ? kasan_check_read+0x11/0x20 [ 200.636146] ? __run_timers+0x7da/0xc70 [ 200.640136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 200.645590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.649843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 200.654079] __run_timers+0x7e5/0xc70 [ 200.657904] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 200.663310] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 200.668328] ? graph_lock+0x170/0x170 [ 200.672136] ? enqueue_hrtimer+0x1a5/0x560 [ 200.676373] ? lock_release+0x970/0x970 [ 200.680353] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 200.685550] ? find_held_lock+0x36/0x1c0 [ 200.689620] ? graph_lock+0x170/0x170 [ 200.693424] ? pvclock_read_flags+0x160/0x160 [ 200.697925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.703471] ? check_preemption_disabled+0x48/0x200 [ 200.708507] ? __lock_is_held+0xb5/0x140 [ 200.712579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.718128] ? check_preemption_disabled+0x48/0x200 [ 200.723148] run_timer_softirq+0x52/0xb0 [ 200.727226] ? rcu_read_lock_sched_held+0x108/0x120 [ 200.732257] __do_softirq+0x30b/0xad8 [ 200.736091] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 200.741197] ? pvclock_read_flags+0x160/0x160 [ 200.745700] ? lapic_next_event+0x5a/0x90 [ 200.749847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.755388] ? check_preemption_disabled+0x48/0x200 [ 200.760402] ? check_preemption_disabled+0x48/0x200 [ 200.765423] ? kvm_clock_read+0x18/0x30 [ 200.769394] ? kvm_sched_clock_read+0x9/0x20 [ 200.773803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.779338] ? check_preemption_disabled+0x48/0x200 [ 200.784378] irq_exit+0x17f/0x1c0 [ 200.787832] smp_apic_timer_interrupt+0x1cb/0x760 [ 200.792675] ? smp_reschedule_interrupt+0x109/0x650 [ 200.797695] ? smp_call_function_single_interrupt+0x650/0x650 [ 200.803604] ? interrupt_entry+0xb5/0xf0 [ 200.807674] ? trace_hardirqs_off_caller+0xbb/0x300 [ 200.812693] ? trace_hardirqs_off_caller+0xbb/0x300 [ 200.817713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.822571] ? trace_hardirqs_off+0x300/0x300 [ 200.827084] ? trace_hardirqs_off+0x300/0x300 [ 200.831598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.837132] ? check_preemption_disabled+0x48/0x200 [ 200.842161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 200.847710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 200.852571] apic_timer_interrupt+0xf/0x20 [ 200.856802] [ 200.859045] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 200.863974] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 200.882879] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 200.890586] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 200.897851] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 200.905113] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 200.912388] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 200.919655] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 200.926969] skb_clone+0x1bb/0x500 [ 200.930515] ? finish_task_switch+0x1b5/0x900 [ 200.935013] ? skb_split+0x11e0/0x11e0 [ 200.938908] ? preempt_notifier_register+0x200/0x200 [ 200.944013] ? __switch_to_asm+0x34/0x70 [ 200.948077] ? __switch_to_asm+0x34/0x70 [ 200.952151] ? __switch_to_asm+0x40/0x70 [ 200.956228] ? __switch_to_asm+0x34/0x70 [ 200.960288] ? __switch_to_asm+0x40/0x70 [ 200.964345] ? __switch_to_asm+0x34/0x70 [ 200.968412] ? __switch_to_asm+0x40/0x70 [ 200.972470] ? __switch_to_asm+0x34/0x70 [ 200.976539] ? __switch_to_asm+0x34/0x70 [ 200.980599] ? __switch_to_asm+0x40/0x70 [ 200.984671] ? __switch_to_asm+0x34/0x70 [ 200.988745] bpf_clone_redirect+0xb9/0x490 [ 200.992994] ? __schedule+0x874/0x1ed0 [ 200.996909] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 201.001939] ? __sched_text_start+0x8/0x8 [ 201.006094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 201.010854] ? find_held_lock+0x36/0x1c0 [ 201.014922] ? lock_acquire+0x1ed/0x520 [ 201.018897] ? bpf_test_run+0x32e/0x5a0 [ 201.022872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.028411] ? check_preemption_disabled+0x48/0x200 [ 201.033444] ? kasan_check_read+0x11/0x20 [ 201.037594] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 201.042872] ? rcu_bh_qs+0xc0/0xc0 [ 201.046414] ? preempt_schedule+0x4d/0x60 [ 201.050566] ? ___preempt_schedule+0x16/0x18 [ 201.054981] ? bpf_test_run+0x1c0/0x5a0 [ 201.058970] ? netlink_diag_dump+0x2a0/0x2a0 [ 201.063396] ? bpf_prog_test_run_skb+0x295/0xb40 [ 201.068151] ? bpf_prog_test_run_skb+0x634/0xb40 [ 201.072913] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 201.077755] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 201.083289] ? fput+0x130/0x1a0 [ 201.086570] ? __bpf_prog_get+0x9b/0x290 [ 201.090631] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 201.095474] ? bpf_prog_test_run+0x130/0x1a0 [ 201.099895] ? __x64_sys_bpf+0x3d8/0x510 [ 201.103954] ? bpf_prog_get+0x20/0x20 [ 201.107785] ? do_syscall_64+0x1b9/0x820 [ 201.111844] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 201.117208] ? syscall_return_slowpath+0x5e0/0x5e0 [ 201.122158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 201.127017] ? trace_hardirqs_off+0x300/0x300 [ 201.131521] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 201.136538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.142078] ? prepare_exit_to_usermode+0x291/0x3b0 [ 201.147122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 201.151977] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 201.157363] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 201.157432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 201.164561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.164571] Call Trace: [ 201.171144] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 201.180403] [ 201.183000] syz-executor3 cpuset= [ 201.193475] dump_stack+0x1c4/0x2b4 [ 201.195605] syz3 [ 201.199054] ? dump_stack_print_info.cold.2+0x52/0x52 [ 201.202662] mems_allowed=0 [ 201.204644] warn_alloc.cold.118+0xb7/0x1bd [ 201.217040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 201.221888] ? lock_downgrade+0x900/0x900 [ 201.226048] ? trace_hardirqs_off+0xb8/0x300 [ 201.230463] ? trace_hardirqs_off+0xb8/0x300 [ 201.234886] __alloc_pages_slowpath+0x2667/0x2d80 [ 201.239762] ? warn_alloc+0x120/0x120 [ 201.243584] ? warn_alloc+0x120/0x120 [ 201.247411] ? print_usage_bug+0xc0/0xc0 [ 201.251477] ? warn_alloc+0x120/0x120 [ 201.255281] ? print_usage_bug+0xc0/0xc0 [ 201.259349] ? __lock_acquire+0x7ec/0x4ec0 [ 201.263584] ? __lock_acquire+0x7ec/0x4ec0 [ 201.267826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.273363] ? should_fail+0x22d/0xd01 [ 201.277258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 201.282361] ? __lock_acquire+0x7ec/0x4ec0 [ 201.286600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 201.291705] ? __lock_acquire+0x7ec/0x4ec0 [ 201.295937] ? should_fail+0x22d/0xd01 [ 201.299838] ? mark_held_locks+0x130/0x130 [ 201.304091] ? mark_held_locks+0x130/0x130 [ 201.308344] ? graph_lock+0x170/0x170 [ 201.312154] ? graph_lock+0x170/0x170 [ 201.315974] ? graph_lock+0x170/0x170 [ 201.319779] ? print_usage_bug+0xc0/0xc0 [ 201.323840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.329377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.334916] ? check_preemption_disabled+0x48/0x200 [ 201.339930] ? check_preemption_disabled+0x48/0x200 [ 201.344955] ? __lock_is_held+0xb5/0x140 [ 201.349024] __alloc_pages_nodemask+0xa80/0xde0 [ 201.353703] ? graph_lock+0x170/0x170 [ 201.357507] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 201.362521] ? graph_lock+0x170/0x170 [ 201.366348] ? find_held_lock+0x36/0x1c0 [ 201.370424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 201.375091] ? lock_downgrade+0x900/0x900 [ 201.379247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.384799] cache_grow_begin+0x91/0x8c0 [ 201.388861] ? do_raw_spin_unlock+0xa7/0x2f0 [ 201.393291] fallback_alloc+0x203/0x2e0 [ 201.397271] ____cache_alloc_node+0x1c7/0x1e0 [ 201.401769] kmem_cache_alloc_node+0xe3/0x730 [ 201.406269] ? ipv6_get_ifaddr+0x42e/0x620 [ 201.410513] __alloc_skb+0x119/0x770 [ 201.414226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 201.419518] ? skb_scrub_packet+0x490/0x490 [ 201.423849] ? lock_downgrade+0x900/0x900 [ 201.428011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.433548] ? refcount_sub_and_test_checked+0x203/0x310 [ 201.439019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 201.444475] ? addrconf_rs_timer+0x6f0/0x6f0 [ 201.448913] ndisc_alloc_skb+0x144/0x340 [ 201.452978] ndisc_send_rs+0x331/0x6e0 [ 201.456896] addrconf_rs_timer+0x3c0/0x6f0 [ 201.461136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.465388] call_timer_fn+0x272/0x920 [ 201.469281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.473519] ? process_timeout+0x40/0x40 [ 201.477583] ? find_held_lock+0x36/0x1c0 [ 201.481652] ? __run_timers+0x7da/0xc70 [ 201.485630] ? _raw_spin_unlock_irq+0x27/0x80 [ 201.490130] ? _raw_spin_unlock_irq+0x27/0x80 [ 201.494620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.498856] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 201.503441] ? trace_hardirqs_on+0xbd/0x310 [ 201.508284] ? kasan_check_read+0x11/0x20 [ 201.512441] ? __run_timers+0x7da/0xc70 [ 201.516419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 201.521885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.526126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 201.530364] __run_timers+0x7e5/0xc70 [ 201.534178] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 201.539546] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 201.544568] ? graph_lock+0x170/0x170 [ 201.548373] ? enqueue_hrtimer+0x1a5/0x560 [ 201.552605] ? lock_release+0x970/0x970 [ 201.556585] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 201.561782] ? find_held_lock+0x36/0x1c0 [ 201.565854] ? graph_lock+0x170/0x170 [ 201.569669] ? pvclock_read_flags+0x160/0x160 [ 201.574166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.579703] ? check_preemption_disabled+0x48/0x200 [ 201.584731] ? __lock_is_held+0xb5/0x140 [ 201.588797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.594345] ? check_preemption_disabled+0x48/0x200 [ 201.599376] run_timer_softirq+0x52/0xb0 [ 201.603439] ? rcu_read_lock_sched_held+0x108/0x120 [ 201.608459] __do_softirq+0x30b/0xad8 [ 201.612273] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 201.617385] ? pvclock_read_flags+0x160/0x160 [ 201.621880] ? lapic_next_event+0x5a/0x90 [ 201.626028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.631564] ? check_preemption_disabled+0x48/0x200 [ 201.636577] ? check_preemption_disabled+0x48/0x200 [ 201.641620] ? kvm_clock_read+0x18/0x30 [ 201.645594] ? kvm_sched_clock_read+0x9/0x20 [ 201.650009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.655545] ? check_preemption_disabled+0x48/0x200 [ 201.660575] irq_exit+0x17f/0x1c0 [ 201.664031] smp_apic_timer_interrupt+0x1cb/0x760 [ 201.668873] ? smp_reschedule_interrupt+0x109/0x650 [ 201.673895] ? smp_call_function_single_interrupt+0x650/0x650 [ 201.679783] ? interrupt_entry+0xb5/0xf0 [ 201.683850] ? trace_hardirqs_off_caller+0xbb/0x300 [ 201.688868] ? trace_hardirqs_off_caller+0xbb/0x300 [ 201.693886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 201.698728] ? trace_hardirqs_off+0x300/0x300 [ 201.703224] ? trace_hardirqs_off+0x300/0x300 [ 201.707723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.713261] ? check_preemption_disabled+0x48/0x200 [ 201.718277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.723823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 201.728677] apic_timer_interrupt+0xf/0x20 [ 201.732916] [ 201.735207] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 201.740135] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 201.759032] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 201.766740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 201.774008] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 201.781281] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 201.788546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 201.795810] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 201.803120] skb_clone+0x1bb/0x500 [ 201.806759] ? finish_task_switch+0x664/0x900 [ 201.811258] ? skb_split+0x11e0/0x11e0 [ 201.815151] ? preempt_notifier_register+0x200/0x200 [ 201.820257] ? __switch_to_asm+0x34/0x70 [ 201.824346] ? __switch_to_asm+0x34/0x70 [ 201.828404] ? __switch_to_asm+0x40/0x70 [ 201.832462] ? __switch_to_asm+0x34/0x70 [ 201.836533] ? __switch_to_asm+0x40/0x70 [ 201.840848] ? __switch_to_asm+0x34/0x70 [ 201.844913] ? __switch_to_asm+0x40/0x70 [ 201.848971] ? __switch_to_asm+0x34/0x70 [ 201.853036] ? __switch_to_asm+0x34/0x70 [ 201.857093] ? __switch_to_asm+0x40/0x70 [ 201.861151] ? __switch_to_asm+0x34/0x70 [ 201.865270] bpf_clone_redirect+0xb9/0x490 [ 201.869506] ? __schedule+0x874/0x1ed0 [ 201.873419] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 201.878439] ? __sched_text_start+0x8/0x8 [ 201.882587] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 201.887357] ? find_held_lock+0x36/0x1c0 [ 201.891425] ? lock_acquire+0x1ed/0x520 [ 201.895394] ? bpf_test_run+0x32e/0x5a0 [ 201.899368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 201.904910] ? check_preemption_disabled+0x48/0x200 [ 201.909942] ? kasan_check_read+0x11/0x20 [ 201.914090] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 201.919372] ? rcu_bh_qs+0xc0/0xc0 [ 201.922942] ? preempt_schedule+0x4d/0x60 [ 201.927106] ? ___preempt_schedule+0x16/0x18 [ 201.931531] ? bpf_test_run+0x1c0/0x5a0 [ 201.935519] ? netlink_diag_dump+0x2a0/0x2a0 [ 201.939936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 201.945481] ? bpf_test_init.isra.9+0x70/0x100 [ 201.950094] ? bpf_prog_test_run_skb+0x634/0xb40 [ 201.954872] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 201.959723] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 201.965272] ? fput+0x130/0x1a0 [ 201.968552] ? __bpf_prog_get+0x9b/0x290 [ 201.972620] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 201.977459] ? bpf_prog_test_run+0x130/0x1a0 [ 201.981871] ? __x64_sys_bpf+0x3d8/0x510 [ 201.985943] ? bpf_prog_get+0x20/0x20 [ 201.989752] ? ksys_ioctl+0x81/0xd0 [ 201.993388] ? do_syscall_64+0x1b9/0x820 [ 201.997446] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 202.002812] ? syscall_return_slowpath+0x5e0/0x5e0 [ 202.007746] ? trace_hardirqs_off+0x300/0x300 [ 202.012242] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 202.017262] ? recalc_sigpending_tsk+0x180/0x180 [ 202.022187] ? kasan_check_write+0x14/0x20 [ 202.026436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.031290] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 202.036671] warn_alloc_show_mem: 1 callbacks suppressed [ 202.036683] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 202.036685] Mem-Info: [ 202.036716] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 202.036716] active_file:17 inactive_file:11 isolated_file:5 [ 202.036716] unevictable:0 dirty:0 writeback:0 unstable:0 [ 202.036716] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 202.036716] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 202.036716] free:13528 free_pcp:440 free_cma:0 [ 202.042052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.042061] Call Trace: [ 202.049254] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 202.051655] [ 202.084617] Node 0 [ 202.093982] dump_stack+0x1c4/0x2b4 [ 202.096576] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 202.124305] ? dump_stack_print_info.cold.2+0x52/0x52 [ 202.126456] lowmem_reserve[]: [ 202.128701] warn_alloc.cold.118+0xb7/0x1bd [ 202.132297] 0 [ 202.157794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 202.162952] 2815 6318 [ 202.166104] ? lock_downgrade+0x900/0x900 [ 202.170397] 6318 [ 202.172206] ? trace_hardirqs_off+0xb8/0x300 [ 202.177023] Node 0 [ 202.179533] ? trace_hardirqs_off+0xb8/0x300 [ 202.183681] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 202.185722] __alloc_pages_slowpath+0x2667/0x2d80 [ 202.190099] lowmem_reserve[]: [ 202.192355] ? warn_alloc+0x120/0x120 [ 202.196719] 0 [ 202.223864] ? trace_hardirqs_on+0x310/0x310 [ 202.228681] 0 [ 202.231779] ? warn_alloc+0x120/0x120 [ 202.235549] 3503 3503 [ 202.237370] ? print_usage_bug+0xc0/0xc0 [ 202.241758] Node 0 [ 202.243559] ? warn_alloc+0x120/0x120 [ 202.247367] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 202.249833] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 202.253862] lowmem_reserve[]: 0 [ 202.256114] ? print_usage_bug+0xc0/0xc0 [ 202.259904] 0 [ 202.288356] ? __lock_acquire+0x7ec/0x4ec0 [ 202.293353] 0 [ 202.296646] ? __lock_acquire+0x7ec/0x4ec0 [ 202.300686] 0 [ 202.302486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 202.306694] Node 0 [ 202.308501] ? should_fail+0x22d/0xd01 [ 202.312703] DMA: [ 202.314509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 202.320042] 1*4kB [ 202.322282] ? __lock_acquire+0x7ec/0x4ec0 [ 202.326149] (U) [ 202.328210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 202.333293] 0*8kB [ 202.335433] ? __lock_acquire+0x7ec/0x4ec0 [ 202.339655] 0*16kB 1*32kB [ 202.341647] ? should_fail+0x22d/0xd01 [ 202.346728] (U) [ 202.348873] ? print_usage_bug+0xc0/0xc0 [ 202.353087] 2*64kB [ 202.355931] ? mark_held_locks+0x130/0x130 [ 202.359783] (U) 1*128kB [ 202.361771] ? mark_held_locks+0x130/0x130 [ 202.365812] (U) [ 202.368047] ? graph_lock+0x170/0x170 [ 202.372249] 1*256kB (U) [ 202.374923] ? print_usage_bug+0xc0/0xc0 [ 202.379138] 0*512kB [ 202.381115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 202.384892] 1*1024kB [ 202.387561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.391600] (U) [ 202.393922] ? check_preemption_disabled+0x48/0x200 [ 202.398657] 1*2048kB [ 202.401553] ? check_preemption_disabled+0x48/0x200 [ 202.401579] ? __lock_is_held+0xb5/0x140 [ 202.407100] (M) [ 202.409102] __alloc_pages_nodemask+0xa80/0xde0 [ 202.414087] 3*4096kB (M) [ 202.416508] ? graph_lock+0x170/0x170 [ 202.421492] = 15908kB [ 202.421499] Node 0 DMA32: [ 202.425565] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 202.427578] 4*4kB [ 202.432239] ? graph_lock+0x170/0x170 [ 202.434975] (UM) [ 202.438779] ? find_held_lock+0x36/0x1c0 [ 202.441279] 3*8kB [ 202.444137] ? ____cache_alloc_node+0x1c7/0x1e0 [ 202.449118] (UM) 1*16kB [ 202.451276] ? lock_downgrade+0x900/0x900 [ 202.455054] (M) [ 202.457118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.461150] 2*32kB [ 202.463292] cache_grow_begin+0x91/0x8c0 [ 202.467930] (UM) [ 202.470604] ? do_raw_spin_unlock+0xa7/0x2f0 [ 202.474729] 3*64kB [ 202.476700] fallback_alloc+0x203/0x2e0 [ 202.482211] (UM) [ 202.484446] ____cache_alloc_node+0x1c7/0x1e0 [ 202.488482] 4*128kB [ 202.490549] kmem_cache_alloc_node+0xe3/0x730 [ 202.494936] (UM) [ 202.497182] ? ipv6_get_ifaddr+0x42e/0x620 [ 202.501229] 2*256kB (M) [ 202.503310] __alloc_skb+0x119/0x770 [ 202.507782] 4*512kB [ 202.510102] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 202.514770] (UM) 3*1024kB [ 202.516841] ? skb_scrub_packet+0x490/0x490 [ 202.521051] (M) [ 202.523717] ? lock_downgrade+0x900/0x900 [ 202.527405] 1*2048kB (M) [ 202.529740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.534985] 4*4096kB (M) [ 202.537837] ? refcount_sub_and_test_checked+0x203/0x310 [ 202.542138] = 24888kB [ 202.544112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 202.548245] Node 0 [ 202.550999] ? addrconf_rs_timer+0x6f0/0x6f0 [ 202.556623] Normal: 1035*4kB [ 202.559511] ndisc_alloc_skb+0x144/0x340 [ 202.564939] (MEH) [ 202.567345] ndisc_send_rs+0x331/0x6e0 [ 202.572780] 457*8kB [ 202.575023] addrconf_rs_timer+0x3c0/0x6f0 [ 202.579406] (UMEH) [ 202.582524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.586569] 163*16kB [ 202.588733] call_timer_fn+0x272/0x920 [ 202.592599] (MEH) [ 202.594929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.599139] 58*32kB [ 202.601371] ? process_timeout+0x40/0x40 [ 202.605583] (UMEH) [ 202.607987] ? find_held_lock+0x36/0x1c0 [ 202.611870] 13*64kB (UMH) [ 202.614030] ? __run_timers+0x7da/0xc70 [ 202.618240] 2*128kB [ 202.620561] ? _raw_spin_unlock_irq+0x27/0x80 [ 202.624592] (H) [ 202.626838] ? _raw_spin_unlock_irq+0x27/0x80 [ 202.631384] 0*256kB 0*512kB [ 202.634231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.634268] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 202.638226] 0*1024kB [ 202.640544] ? trace_hardirqs_on+0xbd/0x310 [ 202.645014] 0*2048kB 0*4096kB [ 202.646994] ? kasan_check_read+0x11/0x20 [ 202.651471] = 13348kB [ 202.654497] ? __run_timers+0x7da/0xc70 [ 202.658712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 202.663298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 202.665693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 202.670005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.673182] 412 total pagecache pages [ 202.677329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 202.679725] 0 pages in swap cache [ 202.683691] __run_timers+0x7e5/0xc70 [ 202.692580] Swap cache stats: add 0, delete 0, find 0/0 [ 202.697994] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 202.706539] Free swap = 0kB [ 202.706549] Total swap = 0kB [ 202.710782] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 202.714556] 1965979 pages RAM [ 202.718786] ? graph_lock+0x170/0x170 [ 202.722253] 0 pages HighMem/MovableOnly [ 202.722263] 343323 pages reserved [ 202.726058] ? enqueue_hrtimer+0x1a5/0x560 [ 202.731395] 0 pages cma reserved [ 202.731479] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 202.736766] ? lock_release+0x970/0x970 [ 202.736783] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 202.739877] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 202.742806] ? find_held_lock+0x36/0x1c0 [ 202.747799] syz-executor3 cpuset= [ 202.750897] ? graph_lock+0x170/0x170 [ 202.754676] syz3 [ 202.758644] ? pvclock_read_flags+0x160/0x160 [ 202.762075] mems_allowed=0 [ 202.816392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.821929] ? check_preemption_disabled+0x48/0x200 [ 202.826977] ? __lock_is_held+0xb5/0x140 [ 202.831042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.836583] ? check_preemption_disabled+0x48/0x200 [ 202.841625] run_timer_softirq+0x52/0xb0 [ 202.845695] ? rcu_read_lock_sched_held+0x108/0x120 [ 202.850717] __do_softirq+0x30b/0xad8 [ 202.854533] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 202.859641] ? pvclock_read_flags+0x160/0x160 [ 202.864157] ? lapic_next_event+0x5a/0x90 [ 202.868318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.873851] ? check_preemption_disabled+0x48/0x200 [ 202.878863] ? check_preemption_disabled+0x48/0x200 [ 202.883892] ? kvm_clock_read+0x18/0x30 [ 202.887869] ? kvm_sched_clock_read+0x9/0x20 [ 202.892297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.897835] ? check_preemption_disabled+0x48/0x200 [ 202.902863] irq_exit+0x17f/0x1c0 [ 202.906321] smp_apic_timer_interrupt+0x1cb/0x760 [ 202.911178] ? smp_reschedule_interrupt+0x109/0x650 [ 202.916227] ? smp_call_function_single_interrupt+0x650/0x650 [ 202.922112] ? interrupt_entry+0xb5/0xf0 [ 202.926186] ? trace_hardirqs_off_caller+0xbb/0x300 [ 202.931225] ? trace_hardirqs_off_caller+0xbb/0x300 [ 202.936246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.941086] ? trace_hardirqs_off+0x300/0x300 [ 202.945593] ? trace_hardirqs_off+0x300/0x300 [ 202.950116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.955651] ? check_preemption_disabled+0x48/0x200 [ 202.960668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 202.966220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 202.971084] apic_timer_interrupt+0xf/0x20 [ 202.975315] [ 202.977554] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 202.982483] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 203.001391] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 203.009102] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 203.016366] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 203.023630] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 203.030893] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 203.038164] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 203.045474] skb_clone+0x1bb/0x500 [ 203.049020] ? finish_task_switch+0x1b5/0x900 [ 203.053541] ? skb_split+0x11e0/0x11e0 [ 203.057431] ? preempt_notifier_register+0x200/0x200 [ 203.062531] ? __switch_to_asm+0x34/0x70 [ 203.066589] ? __switch_to_asm+0x34/0x70 [ 203.070650] ? __switch_to_asm+0x40/0x70 [ 203.074708] ? __switch_to_asm+0x34/0x70 [ 203.078765] ? __switch_to_asm+0x40/0x70 [ 203.082826] ? __switch_to_asm+0x34/0x70 [ 203.086885] ? __switch_to_asm+0x40/0x70 [ 203.090957] ? __switch_to_asm+0x34/0x70 [ 203.095052] ? __switch_to_asm+0x34/0x70 [ 203.099108] ? __switch_to_asm+0x40/0x70 [ 203.103168] ? __switch_to_asm+0x34/0x70 [ 203.107259] bpf_clone_redirect+0xb9/0x490 [ 203.111503] ? __schedule+0x874/0x1ed0 [ 203.115399] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 203.120422] ? __sched_text_start+0x8/0x8 [ 203.124582] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.129346] ? find_held_lock+0x36/0x1c0 [ 203.133430] ? lock_acquire+0x1ed/0x520 [ 203.137407] ? bpf_test_run+0x32e/0x5a0 [ 203.141385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.146936] ? check_preemption_disabled+0x48/0x200 [ 203.151953] ? kasan_check_read+0x11/0x20 [ 203.156107] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 203.161385] ? rcu_bh_qs+0xc0/0xc0 [ 203.164931] ? preempt_schedule+0x4d/0x60 [ 203.169081] ? ___preempt_schedule+0x16/0x18 [ 203.173506] ? bpf_test_run+0x1c0/0x5a0 [ 203.177503] ? netlink_diag_dump+0x2a0/0x2a0 [ 203.181914] ? bpf_prog_test_run_skb+0x295/0xb40 [ 203.186675] ? bpf_prog_test_run_skb+0x634/0xb40 [ 203.191437] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 203.196312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 203.201845] ? fput+0x130/0x1a0 [ 203.205124] ? __bpf_prog_get+0x9b/0x290 [ 203.209196] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 203.214038] ? bpf_prog_test_run+0x130/0x1a0 [ 203.218447] ? __x64_sys_bpf+0x3d8/0x510 [ 203.222522] ? bpf_prog_get+0x20/0x20 [ 203.226357] ? do_syscall_64+0x1b9/0x820 [ 203.230419] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 203.235781] ? syscall_return_slowpath+0x5e0/0x5e0 [ 203.240710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 203.245566] ? trace_hardirqs_off+0x300/0x300 [ 203.250148] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 203.255176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.260716] ? prepare_exit_to_usermode+0x291/0x3b0 [ 203.265738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 203.270590] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 203.275974] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 203.276043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 203.283173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.283178] Call Trace: [ 203.283185] [ 203.283202] dump_stack+0x1c4/0x2b4 [ 203.283231] ? dump_stack_print_info.cold.2+0x52/0x52 [ 203.289788] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 203.299084] warn_alloc.cold.118+0xb7/0x1bd [ 203.301640] syz-executor3 cpuset= [ 203.303785] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 203.307385] syz3 [ 203.312574] ? lock_downgrade+0x900/0x900 [ 203.323036] mems_allowed=0 [ 203.327358] ? trace_hardirqs_off+0xb8/0x300 [ 203.349024] ? trace_hardirqs_off+0xb8/0x300 [ 203.353449] __alloc_pages_slowpath+0x2667/0x2d80 [ 203.358339] ? warn_alloc+0x120/0x120 [ 203.362144] ? trace_hardirqs_on+0x310/0x310 [ 203.366556] ? warn_alloc+0x120/0x120 [ 203.370369] ? print_usage_bug+0xc0/0xc0 [ 203.374428] ? warn_alloc+0x120/0x120 [ 203.378257] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 203.383270] ? print_usage_bug+0xc0/0xc0 [ 203.387339] ? __lock_acquire+0x7ec/0x4ec0 [ 203.391573] ? __lock_acquire+0x7ec/0x4ec0 [ 203.395811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 203.401349] ? should_fail+0x22d/0xd01 [ 203.405246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.410350] ? __lock_acquire+0x7ec/0x4ec0 [ 203.414628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 203.419745] ? __lock_acquire+0x7ec/0x4ec0 [ 203.423977] ? should_fail+0x22d/0xd01 [ 203.427867] ? print_usage_bug+0xc0/0xc0 [ 203.431936] ? mark_held_locks+0x130/0x130 [ 203.436186] ? mark_held_locks+0x130/0x130 [ 203.440469] ? graph_lock+0x170/0x170 [ 203.444282] ? print_usage_bug+0xc0/0xc0 [ 203.448356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 203.453127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.458667] ? check_preemption_disabled+0x48/0x200 [ 203.463683] ? check_preemption_disabled+0x48/0x200 [ 203.468710] ? __lock_is_held+0xb5/0x140 [ 203.472779] __alloc_pages_nodemask+0xa80/0xde0 [ 203.477448] ? graph_lock+0x170/0x170 [ 203.481271] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 203.486288] ? graph_lock+0x170/0x170 [ 203.490096] ? find_held_lock+0x36/0x1c0 [ 203.494167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 203.498841] ? lock_downgrade+0x900/0x900 [ 203.503005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.509071] cache_grow_begin+0x91/0x8c0 [ 203.513140] ? do_raw_spin_unlock+0xa7/0x2f0 [ 203.517561] fallback_alloc+0x203/0x2e0 [ 203.521543] ____cache_alloc_node+0x1c7/0x1e0 [ 203.526044] kmem_cache_alloc_node+0xe3/0x730 [ 203.530541] ? ipv6_get_ifaddr+0x42e/0x620 [ 203.534791] __alloc_skb+0x119/0x770 [ 203.538509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 203.543808] ? skb_scrub_packet+0x490/0x490 [ 203.548130] ? lock_downgrade+0x900/0x900 [ 203.552287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.557822] ? refcount_sub_and_test_checked+0x203/0x310 [ 203.563276] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 203.568737] ? addrconf_rs_timer+0x6f0/0x6f0 [ 203.573161] ndisc_alloc_skb+0x144/0x340 [ 203.577245] ndisc_send_rs+0x331/0x6e0 [ 203.581139] addrconf_rs_timer+0x3c0/0x6f0 [ 203.585383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.589646] call_timer_fn+0x272/0x920 [ 203.593544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.597777] ? process_timeout+0x40/0x40 [ 203.601837] ? find_held_lock+0x36/0x1c0 [ 203.605906] ? __run_timers+0x7da/0xc70 [ 203.609917] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.614410] ? _raw_spin_unlock_irq+0x27/0x80 [ 203.618902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.623137] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 203.627720] ? trace_hardirqs_on+0xbd/0x310 [ 203.632040] ? kasan_check_read+0x11/0x20 [ 203.636186] ? __run_timers+0x7da/0xc70 [ 203.640166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 203.645620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.649859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 203.654106] __run_timers+0x7e5/0xc70 [ 203.657920] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 203.663310] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 203.668337] ? graph_lock+0x170/0x170 [ 203.672138] ? enqueue_hrtimer+0x1a5/0x560 [ 203.676373] ? lock_release+0x970/0x970 [ 203.680382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 203.685581] ? find_held_lock+0x36/0x1c0 [ 203.689646] ? graph_lock+0x170/0x170 [ 203.693452] ? pvclock_read_flags+0x160/0x160 [ 203.697952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.703518] ? check_preemption_disabled+0x48/0x200 [ 203.708544] ? __lock_is_held+0xb5/0x140 [ 203.712610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.718148] ? check_preemption_disabled+0x48/0x200 [ 203.723169] run_timer_softirq+0x52/0xb0 [ 203.727263] ? rcu_read_lock_sched_held+0x108/0x120 [ 203.732285] __do_softirq+0x30b/0xad8 [ 203.736101] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 203.741211] ? pvclock_read_flags+0x160/0x160 [ 203.745728] ? lapic_next_event+0x5a/0x90 [ 203.749876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.755424] ? check_preemption_disabled+0x48/0x200 [ 203.760444] ? check_preemption_disabled+0x48/0x200 [ 203.765467] ? kvm_clock_read+0x18/0x30 [ 203.769453] ? kvm_sched_clock_read+0x9/0x20 [ 203.773891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.779429] ? check_preemption_disabled+0x48/0x200 [ 203.784456] irq_exit+0x17f/0x1c0 [ 203.787912] smp_apic_timer_interrupt+0x1cb/0x760 [ 203.792752] ? smp_reschedule_interrupt+0x109/0x650 [ 203.797769] ? smp_call_function_single_interrupt+0x650/0x650 [ 203.803670] ? interrupt_entry+0xb5/0xf0 [ 203.807737] ? trace_hardirqs_off_caller+0xbb/0x300 [ 203.812752] ? trace_hardirqs_off_caller+0xbb/0x300 [ 203.817769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 203.822613] ? trace_hardirqs_off+0x300/0x300 [ 203.827106] ? trace_hardirqs_off+0x300/0x300 [ 203.831614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.837149] ? check_preemption_disabled+0x48/0x200 [ 203.842170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 203.847720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 203.852574] apic_timer_interrupt+0xf/0x20 [ 203.856807] [ 203.859046] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 203.863976] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 203.882879] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 203.890591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 203.897866] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 203.905129] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 203.912397] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 203.919662] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 203.926985] skb_clone+0x1bb/0x500 [ 203.930544] ? finish_task_switch+0x664/0x900 [ 203.935043] ? skb_split+0x11e0/0x11e0 [ 203.938931] ? preempt_notifier_register+0x200/0x200 [ 203.944035] ? __switch_to_asm+0x34/0x70 [ 203.948100] ? __switch_to_asm+0x34/0x70 [ 203.952162] ? __switch_to_asm+0x40/0x70 [ 203.956231] ? __switch_to_asm+0x34/0x70 [ 203.960289] ? __switch_to_asm+0x40/0x70 [ 203.964347] ? __switch_to_asm+0x34/0x70 [ 203.968433] ? __switch_to_asm+0x40/0x70 [ 203.972494] ? __switch_to_asm+0x34/0x70 [ 203.976559] ? __switch_to_asm+0x34/0x70 [ 203.980626] ? __switch_to_asm+0x40/0x70 [ 203.984778] ? __switch_to_asm+0x34/0x70 [ 203.988847] bpf_clone_redirect+0xb9/0x490 [ 203.993089] ? __schedule+0x874/0x1ed0 [ 203.996986] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 204.002097] ? __sched_text_start+0x8/0x8 [ 204.006271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 204.011052] ? find_held_lock+0x36/0x1c0 [ 204.015124] ? lock_acquire+0x1ed/0x520 [ 204.019099] ? bpf_test_run+0x32e/0x5a0 [ 204.023086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.028623] ? check_preemption_disabled+0x48/0x200 [ 204.033645] ? kasan_check_read+0x11/0x20 [ 204.037798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 204.043075] ? rcu_bh_qs+0xc0/0xc0 [ 204.046620] ? preempt_schedule+0x4d/0x60 [ 204.050768] ? ___preempt_schedule+0x16/0x18 [ 204.055187] ? bpf_test_run+0x1c0/0x5a0 [ 204.059176] ? netlink_diag_dump+0x2a0/0x2a0 [ 204.063627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.069162] ? bpf_test_init.isra.9+0x70/0x100 [ 204.073766] ? bpf_prog_test_run_skb+0x634/0xb40 [ 204.078530] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 204.083375] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 204.088910] ? fput+0x130/0x1a0 [ 204.092194] ? __bpf_prog_get+0x9b/0x290 [ 204.096261] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 204.101115] ? bpf_prog_test_run+0x130/0x1a0 [ 204.105528] ? __x64_sys_bpf+0x3d8/0x510 [ 204.109590] ? bpf_prog_get+0x20/0x20 [ 204.113405] ? ksys_ioctl+0x81/0xd0 [ 204.117048] ? do_syscall_64+0x1b9/0x820 [ 204.121136] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 204.126506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 204.131441] ? trace_hardirqs_off+0x300/0x300 [ 204.135962] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 204.140979] ? recalc_sigpending_tsk+0x180/0x180 [ 204.145768] ? kasan_check_write+0x14/0x20 [ 204.150020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.154884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 204.160290] warn_alloc_show_mem: 1 callbacks suppressed [ 204.160302] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 204.160304] Mem-Info: [ 204.160334] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 204.160334] active_file:17 inactive_file:11 isolated_file:5 [ 204.160334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 204.160334] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 204.160334] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 204.160334] free:13528 free_pcp:440 free_cma:0 [ 204.165678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.172872] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 204.175270] Call Trace: [ 204.208137] Node 0 [ 204.217482] [ 204.245254] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 204.247816] dump_stack+0x1c4/0x2b4 [ 204.250028] lowmem_reserve[]: [ 204.252174] ? dump_stack_print_info.cold.2+0x52/0x52 [ 204.277647] 0 2815 [ 204.281289] warn_alloc.cold.118+0xb7/0x1bd [ 204.284376] 6318 [ 204.289558] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 204.291775] 6318 [ 204.296093] ? lock_downgrade+0x900/0x900 [ 204.302973] ? trace_hardirqs_off+0xb8/0x300 [ 204.305023] Node 0 [ 204.309168] ? trace_hardirqs_off+0xb8/0x300 [ 204.313579] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 204.315792] __alloc_pages_slowpath+0x2667/0x2d80 [ 204.320171] lowmem_reserve[]: [ 204.347341] ? warn_alloc+0x120/0x120 [ 204.352138] 0 [ 204.355241] ? trace_hardirqs_on+0x310/0x310 [ 204.359026] 0 3503 [ 204.360849] ? warn_alloc+0x120/0x120 [ 204.365236] 3503 [ 204.367475] ? print_usage_bug+0xc0/0xc0 [ 204.373318] ? warn_alloc+0x120/0x120 [ 204.377360] Node 0 [ 204.381158] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 204.381195] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 204.383399] ? print_usage_bug+0xc0/0xc0 [ 204.388399] lowmem_reserve[]: [ 204.417394] ? __lock_acquire+0x7ec/0x4ec0 [ 204.421440] 0 [ 204.424543] ? __lock_acquire+0x7ec/0x4ec0 [ 204.428755] 0 [ 204.430557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 204.434767] 0 [ 204.436565] ? should_fail+0x22d/0xd01 [ 204.442081] 0 [ 204.443887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.449551] ? __lock_acquire+0x7ec/0x4ec0 [ 204.454628] Node 0 DMA: [ 204.458857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 204.458874] ? __lock_acquire+0x7ec/0x4ec0 [ 204.461528] 1*4kB [ 204.466629] ? should_fail+0x22d/0xd01 [ 204.470842] (U) [ 204.472992] ? print_usage_bug+0xc0/0xc0 [ 204.476859] 0*8kB [ 204.478840] ? mark_held_locks+0x130/0x130 [ 204.482866] 0*16kB 1*32kB [ 204.485025] ? mark_held_locks+0x130/0x130 [ 204.489240] (U) [ 204.492088] ? graph_lock+0x170/0x170 [ 204.496297] 2*64kB (U) [ 204.498284] ? print_usage_bug+0xc0/0xc0 [ 204.502057] 1*128kB (U) [ 204.504660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 204.508691] 1*256kB (U) [ 204.511370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.516100] 0*512kB [ 204.518764] ? check_preemption_disabled+0x48/0x200 [ 204.524283] 1*1024kB [ 204.526605] ? check_preemption_disabled+0x48/0x200 [ 204.531593] (U) 1*2048kB [ 204.534022] ? __lock_is_held+0xb5/0x140 [ 204.539010] (M) 3*4096kB [ 204.541776] __alloc_pages_nodemask+0xa80/0xde0 [ 204.545815] (M) [ 204.548569] ? graph_lock+0x170/0x170 [ 204.556341] = 15908kB [ 204.558325] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 204.562105] Node 0 [ 204.564509] ? graph_lock+0x170/0x170 [ 204.569495] DMA32: 4*4kB [ 204.571752] ? find_held_lock+0x36/0x1c0 [ 204.575527] (UM) [ 204.578286] ? ____cache_alloc_node+0x1c7/0x1e0 [ 204.582322] 3*8kB [ 204.584381] ? lock_downgrade+0x900/0x900 [ 204.589024] (UM) 1*16kB [ 204.591187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.595305] (M) [ 204.597972] cache_grow_begin+0x91/0x8c0 [ 204.603488] 2*32kB [ 204.605466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 204.609497] (UM) 3*64kB [ 204.611746] fallback_alloc+0x203/0x2e0 [ 204.616130] (UM) [ 204.618799] ____cache_alloc_node+0x1c7/0x1e0 [ 204.622753] 4*128kB [ 204.624814] kmem_cache_alloc_node+0xe3/0x730 [ 204.629281] (UM) 2*256kB [ 204.631611] ? ipv6_get_ifaddr+0x42e/0x620 [ 204.636081] (M) [ 204.638842] __alloc_skb+0x119/0x770 [ 204.643049] 4*512kB [ 204.645023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 204.648713] (UM) [ 204.651037] ? skb_scrub_packet+0x490/0x490 [ 204.656292] 3*1024kB [ 204.658354] ? lock_downgrade+0x900/0x900 [ 204.662649] (M) [ 204.665058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.669187] 1*2048kB [ 204.671157] ? refcount_sub_and_test_checked+0x203/0x310 [ 204.676668] (M) [ 204.679074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 204.684492] 4*4096kB (M) = 24888kB [ 204.686478] ? addrconf_rs_timer+0x6f0/0x6f0 [ 204.691907] Node 0 [ 204.695449] ndisc_alloc_skb+0x144/0x340 [ 204.699828] Normal: 1035*4kB [ 204.702075] ndisc_send_rs+0x331/0x6e0 [ 204.706110] (MEH) [ 204.709216] addrconf_rs_timer+0x3c0/0x6f0 [ 204.713089] 457*8kB [ 204.715235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.715264] call_timer_fn+0x272/0x920 [ 204.719465] (UMEH) [ 204.721785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.725999] 163*16kB [ 204.729876] ? process_timeout+0x40/0x40 [ 204.732086] (MEH) [ 204.736327] ? find_held_lock+0x36/0x1c0 [ 204.738717] 58*32kB [ 204.742781] ? __run_timers+0x7da/0xc70 [ 204.744903] (UMEH) [ 204.748961] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.751273] 13*64kB [ 204.755240] ? _raw_spin_unlock_irq+0x27/0x80 [ 204.757455] (UMH) [ 204.761952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.764252] 2*128kB [ 204.768739] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 204.770863] (H) [ 204.775089] ? trace_hardirqs_on+0xbd/0x310 [ 204.777391] 0*256kB [ 204.781966] ? kasan_check_read+0x11/0x20 [ 204.783920] 0*512kB [ 204.788233] ? __run_timers+0x7da/0xc70 [ 204.788251] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 204.790555] 0*1024kB [ 204.794712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.797041] 0*2048kB 0*4096kB [ 204.801045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 204.806470] = 13348kB [ 204.808879] __run_timers+0x7e5/0xc70 [ 204.813121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 204.816311] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 204.820532] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 204.822961] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 204.826740] 412 total pagecache pages [ 204.835573] ? graph_lock+0x170/0x170 [ 204.840919] 0 pages in swap cache [ 204.849483] ? enqueue_hrtimer+0x1a5/0x560 [ 204.854482] Swap cache stats: add 0, delete 0, find 0/0 [ 204.858279] ? lock_release+0x970/0x970 [ 204.862054] Free swap = 0kB [ 204.862064] Total swap = 0kB [ 204.865518] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 204.869729] 1965979 pages RAM [ 204.875088] ? find_held_lock+0x36/0x1c0 [ 204.879031] 0 pages HighMem/MovableOnly [ 204.879040] 343323 pages reserved [ 204.882051] ? graph_lock+0x170/0x170 [ 204.885043] 0 pages cma reserved [ 204.890264] ? pvclock_read_flags+0x160/0x160 [ 204.893427] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 204.897419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.897434] ? check_preemption_disabled+0x48/0x200 [ 204.897457] ? __lock_is_held+0xb5/0x140 [ 204.897475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.901490] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 204.904881] ? check_preemption_disabled+0x48/0x200 [ 204.908672] syz-executor3 cpuset= [ 204.912041] run_timer_softirq+0x52/0xb0 [ 204.916525] syz3 [ 204.923010] ? rcu_read_lock_sched_held+0x108/0x120 [ 204.923029] __do_softirq+0x30b/0xad8 [ 204.928549] mems_allowed=0 [ 204.933563] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 204.984836] ? pvclock_read_flags+0x160/0x160 [ 204.989345] ? lapic_next_event+0x5a/0x90 [ 204.993498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 204.999042] ? check_preemption_disabled+0x48/0x200 [ 205.004060] ? check_preemption_disabled+0x48/0x200 [ 205.009086] ? kvm_clock_read+0x18/0x30 [ 205.013058] ? kvm_sched_clock_read+0x9/0x20 [ 205.017479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.023018] ? check_preemption_disabled+0x48/0x200 [ 205.028050] irq_exit+0x17f/0x1c0 [ 205.031512] smp_apic_timer_interrupt+0x1cb/0x760 [ 205.036353] ? smp_reschedule_interrupt+0x109/0x650 [ 205.041374] ? smp_call_function_single_interrupt+0x650/0x650 [ 205.047263] ? interrupt_entry+0xb5/0xf0 [ 205.051332] ? trace_hardirqs_off_caller+0xbb/0x300 [ 205.056357] ? trace_hardirqs_off_caller+0xbb/0x300 [ 205.061396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.066240] ? trace_hardirqs_off+0x300/0x300 [ 205.070736] ? trace_hardirqs_off+0x300/0x300 [ 205.075242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.080781] ? check_preemption_disabled+0x48/0x200 [ 205.085799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.091356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.096229] apic_timer_interrupt+0xf/0x20 [ 205.100459] [ 205.102701] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 205.107656] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 205.126552] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 205.134299] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 205.141828] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 205.149094] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 205.156362] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 205.163625] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 205.170937] skb_clone+0x1bb/0x500 [ 205.174479] ? finish_task_switch+0x1b5/0x900 [ 205.178980] ? skb_split+0x11e0/0x11e0 [ 205.182881] ? preempt_notifier_register+0x200/0x200 [ 205.187980] ? __switch_to_asm+0x34/0x70 [ 205.192038] ? __switch_to_asm+0x34/0x70 [ 205.196093] ? __switch_to_asm+0x40/0x70 [ 205.200151] ? __switch_to_asm+0x34/0x70 [ 205.204210] ? __switch_to_asm+0x40/0x70 [ 205.208277] ? __switch_to_asm+0x34/0x70 [ 205.212342] ? __switch_to_asm+0x40/0x70 [ 205.216400] ? __switch_to_asm+0x34/0x70 [ 205.220462] ? __switch_to_asm+0x34/0x70 [ 205.224530] ? __switch_to_asm+0x40/0x70 [ 205.228591] ? __switch_to_asm+0x34/0x70 [ 205.232661] bpf_clone_redirect+0xb9/0x490 [ 205.236898] ? __schedule+0x874/0x1ed0 [ 205.240795] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 205.245815] ? __sched_text_start+0x8/0x8 [ 205.249968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 205.254731] ? find_held_lock+0x36/0x1c0 [ 205.258803] ? lock_acquire+0x1ed/0x520 [ 205.262776] ? bpf_test_run+0x32e/0x5a0 [ 205.266753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.272292] ? check_preemption_disabled+0x48/0x200 [ 205.277403] ? kasan_check_read+0x11/0x20 [ 205.281552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 205.286830] ? rcu_bh_qs+0xc0/0xc0 [ 205.290377] ? preempt_schedule+0x4d/0x60 [ 205.294551] ? ___preempt_schedule+0x16/0x18 [ 205.298978] ? bpf_test_run+0x1c0/0x5a0 [ 205.302969] ? netlink_diag_dump+0x2a0/0x2a0 [ 205.307383] ? bpf_prog_test_run_skb+0x295/0xb40 [ 205.312166] ? bpf_prog_test_run_skb+0x634/0xb40 [ 205.316940] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 205.321783] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 205.327319] ? fput+0x130/0x1a0 [ 205.330597] ? __bpf_prog_get+0x9b/0x290 [ 205.334675] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 205.339522] ? bpf_prog_test_run+0x130/0x1a0 [ 205.343931] ? __x64_sys_bpf+0x3d8/0x510 [ 205.347990] ? bpf_prog_get+0x20/0x20 [ 205.351813] ? do_syscall_64+0x1b9/0x820 [ 205.355874] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 205.361265] ? syscall_return_slowpath+0x5e0/0x5e0 [ 205.366191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.371031] ? trace_hardirqs_off+0x300/0x300 [ 205.375543] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 205.380562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.386097] ? prepare_exit_to_usermode+0x291/0x3b0 [ 205.391134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.395982] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 205.401365] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 205.401433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 205.408560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.408566] Call Trace: [ 205.408573] [ 205.408590] dump_stack+0x1c4/0x2b4 [ 205.408610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 205.415152] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 205.424464] warn_alloc.cold.118+0xb7/0x1bd [ 205.427029] syz-executor3 cpuset= [ 205.429173] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 205.432774] syz3 [ 205.437964] ? lock_downgrade+0x900/0x900 [ 205.448419] mems_allowed=0 [ 205.452738] ? trace_hardirqs_off+0xb8/0x300 [ 205.474424] ? trace_hardirqs_off+0xb8/0x300 [ 205.479120] __alloc_pages_slowpath+0x2667/0x2d80 [ 205.484002] ? graph_lock+0x170/0x170 [ 205.487814] ? warn_alloc+0x120/0x120 [ 205.491636] ? warn_alloc+0x120/0x120 [ 205.495441] ? print_usage_bug+0xc0/0xc0 [ 205.499503] ? warn_alloc+0x120/0x120 [ 205.503318] ? print_usage_bug+0xc0/0xc0 [ 205.507847] ? __lock_acquire+0x7ec/0x4ec0 [ 205.512083] ? __lock_acquire+0x7ec/0x4ec0 [ 205.516321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.521864] ? should_fail+0x22d/0xd01 [ 205.525756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.530866] ? __lock_acquire+0x7ec/0x4ec0 [ 205.535119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 205.540237] ? __lock_acquire+0x7ec/0x4ec0 [ 205.544486] ? should_fail+0x22d/0xd01 [ 205.548386] ? mark_held_locks+0x130/0x130 [ 205.552641] ? mark_held_locks+0x130/0x130 [ 205.556881] ? graph_lock+0x170/0x170 [ 205.560678] ? graph_lock+0x170/0x170 [ 205.564480] ? graph_lock+0x170/0x170 [ 205.568285] ? print_usage_bug+0xc0/0xc0 [ 205.572370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.577908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.583454] ? check_preemption_disabled+0x48/0x200 [ 205.588467] ? check_preemption_disabled+0x48/0x200 [ 205.593496] ? __lock_is_held+0xb5/0x140 [ 205.597571] __alloc_pages_nodemask+0xa80/0xde0 [ 205.602247] ? graph_lock+0x170/0x170 [ 205.606067] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 205.611077] ? graph_lock+0x170/0x170 [ 205.614888] ? find_held_lock+0x36/0x1c0 [ 205.619001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 205.623685] ? lock_downgrade+0x900/0x900 [ 205.627843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.633392] cache_grow_begin+0x91/0x8c0 [ 205.637479] ? do_raw_spin_unlock+0xa7/0x2f0 [ 205.641925] fallback_alloc+0x203/0x2e0 [ 205.645930] ____cache_alloc_node+0x1c7/0x1e0 [ 205.650446] kmem_cache_alloc_node+0xe3/0x730 [ 205.654941] ? ipv6_get_ifaddr+0x42e/0x620 [ 205.659189] __alloc_skb+0x119/0x770 [ 205.662912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 205.668203] ? skb_scrub_packet+0x490/0x490 [ 205.672531] ? lock_downgrade+0x900/0x900 [ 205.676687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.682238] ? refcount_sub_and_test_checked+0x203/0x310 [ 205.687692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 205.693143] ? addrconf_rs_timer+0x6f0/0x6f0 [ 205.697564] ndisc_alloc_skb+0x144/0x340 [ 205.701632] ndisc_send_rs+0x331/0x6e0 [ 205.705528] addrconf_rs_timer+0x3c0/0x6f0 [ 205.709774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.714023] call_timer_fn+0x272/0x920 [ 205.717908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.722152] ? process_timeout+0x40/0x40 [ 205.726213] ? find_held_lock+0x36/0x1c0 [ 205.730297] ? __run_timers+0x7da/0xc70 [ 205.734288] ? _raw_spin_unlock_irq+0x27/0x80 [ 205.738786] ? _raw_spin_unlock_irq+0x27/0x80 [ 205.743282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.747538] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 205.752133] ? trace_hardirqs_on+0xbd/0x310 [ 205.756489] ? kasan_check_read+0x11/0x20 [ 205.760635] ? __run_timers+0x7da/0xc70 [ 205.764624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 205.770092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.774331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 205.778583] __run_timers+0x7e5/0xc70 [ 205.782408] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 205.787777] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 205.792792] ? graph_lock+0x170/0x170 [ 205.796604] ? enqueue_hrtimer+0x1a5/0x560 [ 205.800836] ? lock_release+0x970/0x970 [ 205.804816] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 205.810045] ? find_held_lock+0x36/0x1c0 [ 205.814111] ? graph_lock+0x170/0x170 [ 205.817924] ? pvclock_read_flags+0x160/0x160 [ 205.822431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.827966] ? check_preemption_disabled+0x48/0x200 [ 205.833015] ? __lock_is_held+0xb5/0x140 [ 205.837073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.842632] ? check_preemption_disabled+0x48/0x200 [ 205.847658] run_timer_softirq+0x52/0xb0 [ 205.851717] ? rcu_read_lock_sched_held+0x108/0x120 [ 205.856775] __do_softirq+0x30b/0xad8 [ 205.860598] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 205.865712] ? pvclock_read_flags+0x160/0x160 [ 205.870206] ? lapic_next_event+0x5a/0x90 [ 205.874366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.879903] ? check_preemption_disabled+0x48/0x200 [ 205.884926] ? check_preemption_disabled+0x48/0x200 [ 205.889959] ? kvm_clock_read+0x18/0x30 [ 205.893936] ? kvm_sched_clock_read+0x9/0x20 [ 205.898345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.903880] ? check_preemption_disabled+0x48/0x200 [ 205.908907] irq_exit+0x17f/0x1c0 [ 205.912362] smp_apic_timer_interrupt+0x1cb/0x760 [ 205.917203] ? smp_reschedule_interrupt+0x109/0x650 [ 205.922239] ? smp_call_function_single_interrupt+0x650/0x650 [ 205.928125] ? interrupt_entry+0xb5/0xf0 [ 205.932183] ? trace_hardirqs_off_caller+0xbb/0x300 [ 205.937213] ? trace_hardirqs_off_caller+0xbb/0x300 [ 205.942265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.947114] ? trace_hardirqs_off+0x300/0x300 [ 205.951606] ? trace_hardirqs_off+0x300/0x300 [ 205.956100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.961633] ? check_preemption_disabled+0x48/0x200 [ 205.966645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.972187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.977048] apic_timer_interrupt+0xf/0x20 [ 205.981277] [ 205.983516] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 205.988450] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 206.007351] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 206.015060] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 206.022324] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 206.029588] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 206.036854] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 206.044120] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 206.051429] skb_clone+0x1bb/0x500 [ 206.054968] ? finish_task_switch+0x664/0x900 [ 206.059469] ? skb_split+0x11e0/0x11e0 [ 206.063366] ? preempt_notifier_register+0x200/0x200 [ 206.068472] ? __switch_to_asm+0x34/0x70 [ 206.072544] ? __switch_to_asm+0x34/0x70 [ 206.076599] ? __switch_to_asm+0x40/0x70 [ 206.080682] ? __switch_to_asm+0x34/0x70 [ 206.084759] ? __switch_to_asm+0x40/0x70 [ 206.088827] ? __switch_to_asm+0x34/0x70 [ 206.092904] ? __switch_to_asm+0x40/0x70 [ 206.096968] ? __switch_to_asm+0x34/0x70 [ 206.101048] ? __switch_to_asm+0x34/0x70 [ 206.105118] ? __switch_to_asm+0x40/0x70 [ 206.109174] ? __switch_to_asm+0x34/0x70 [ 206.113254] bpf_clone_redirect+0xb9/0x490 [ 206.117492] ? __schedule+0x874/0x1ed0 [ 206.121389] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 206.126413] ? __sched_text_start+0x8/0x8 [ 206.130557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 206.135342] ? find_held_lock+0x36/0x1c0 [ 206.139418] ? lock_acquire+0x1ed/0x520 [ 206.143392] ? bpf_test_run+0x32e/0x5a0 [ 206.147372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.152919] ? check_preemption_disabled+0x48/0x200 [ 206.157940] ? kasan_check_read+0x11/0x20 [ 206.162089] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.167377] ? rcu_bh_qs+0xc0/0xc0 [ 206.170942] ? preempt_schedule+0x4d/0x60 [ 206.175101] ? ___preempt_schedule+0x16/0x18 [ 206.179520] ? bpf_test_run+0x1c0/0x5a0 [ 206.183504] ? netlink_diag_dump+0x2a0/0x2a0 [ 206.187921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.193457] ? bpf_test_init.isra.9+0x70/0x100 [ 206.198044] ? bpf_prog_test_run_skb+0x634/0xb40 [ 206.202812] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.207668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 206.213202] ? fput+0x130/0x1a0 [ 206.216493] ? __bpf_prog_get+0x9b/0x290 [ 206.220678] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.225524] ? bpf_prog_test_run+0x130/0x1a0 [ 206.229939] ? __x64_sys_bpf+0x3d8/0x510 [ 206.234015] ? bpf_prog_get+0x20/0x20 [ 206.237836] ? ksys_ioctl+0x81/0xd0 [ 206.241485] ? do_syscall_64+0x1b9/0x820 [ 206.245552] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 206.250917] ? syscall_return_slowpath+0x5e0/0x5e0 [ 206.255850] ? trace_hardirqs_off+0x300/0x300 [ 206.260346] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 206.265361] ? recalc_sigpending_tsk+0x180/0x180 [ 206.270115] ? kasan_check_write+0x14/0x20 [ 206.274361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.279212] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 206.284609] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 206.284615] warn_alloc_show_mem: 1 callbacks suppressed [ 206.284623] Mem-Info: [ 206.291807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.291817] Call Trace: [ 206.297193] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 206.297193] active_file:17 inactive_file:11 isolated_file:5 [ 206.297193] unevictable:0 dirty:0 writeback:0 unstable:0 [ 206.297193] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 206.297193] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 206.297193] free:13528 free_pcp:440 free_cma:0 [ 206.299570] [ 206.308932] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 206.311516] dump_stack+0x1c4/0x2b4 [ 206.344377] Node 0 [ 206.346527] ? dump_stack_print_info.cold.2+0x52/0x52 [ 206.374413] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 206.377902] warn_alloc.cold.118+0xb7/0x1bd [ 206.380111] lowmem_reserve[]: [ 206.385296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 206.413387] 0 [ 206.417709] ? lock_downgrade+0x900/0x900 [ 206.421011] 2815 6318 [ 206.425868] ? trace_hardirqs_off+0xb8/0x300 [ 206.425888] ? trace_hardirqs_off+0xb8/0x300 [ 206.425914] __alloc_pages_slowpath+0x2667/0x2d80 [ 206.425969] ? warn_alloc+0x120/0x120 [ 206.425992] ? warn_alloc+0x120/0x120 [ 206.427798] 6318 [ 206.431954] ? print_usage_bug+0xc0/0xc0 [ 206.434431] Node 0 [ 206.438835] ? warn_alloc+0x120/0x120 [ 206.443256] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 206.448067] ? print_usage_bug+0xc0/0xc0 [ 206.451837] lowmem_reserve[]: 0 [ 206.455645] ? __lock_acquire+0x7ec/0x4ec0 [ 206.457683] 0 [ 206.461737] ? __lock_acquire+0x7ec/0x4ec0 [ 206.463945] 3503 3503 [ 206.467767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.494893] Node 0 [ 206.498951] ? should_fail+0x22d/0xd01 [ 206.502237] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 206.506453] ? __lock_acquire+0x7ec/0x4ec0 [ 206.508242] lowmem_reserve[]: [ 206.512472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.514944] 0 [ 206.520472] ? __lock_acquire+0x7ec/0x4ec0 [ 206.522698] 0 [ 206.526577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.555036] 0 0 [ 206.559294] ? __lock_acquire+0x7ec/0x4ec0 [ 206.562380] Node 0 [ 206.567503] ? should_fail+0x22d/0xd01 [ 206.569272] DMA: 1*4kB [ 206.573546] ? mark_held_locks+0x130/0x130 [ 206.575324] (U) [ 206.580434] ? mark_held_locks+0x130/0x130 [ 206.582393] 0*8kB [ 206.586631] ? graph_lock+0x170/0x170 [ 206.586639] ? print_usage_bug+0xc0/0xc0 [ 206.586652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.586661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.586669] ? check_preemption_disabled+0x48/0x200 [ 206.586675] ? check_preemption_disabled+0x48/0x200 [ 206.586693] ? __lock_is_held+0xb5/0x140 [ 206.586708] __alloc_pages_nodemask+0xa80/0xde0 [ 206.586717] ? graph_lock+0x170/0x170 [ 206.586730] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 206.586736] ? graph_lock+0x170/0x170 [ 206.586750] ? find_held_lock+0x36/0x1c0 [ 206.586764] ? ____cache_alloc_node+0x1c7/0x1e0 [ 206.586772] ? lock_downgrade+0x900/0x900 [ 206.586784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.586795] cache_grow_begin+0x91/0x8c0 [ 206.586804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 206.586816] fallback_alloc+0x203/0x2e0 [ 206.586828] ____cache_alloc_node+0x1c7/0x1e0 [ 206.586839] kmem_cache_alloc_node+0xe3/0x730 [ 206.586849] ? ipv6_get_ifaddr+0x42e/0x620 [ 206.586862] __alloc_skb+0x119/0x770 [ 206.586884] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.586894] ? skb_scrub_packet+0x490/0x490 [ 206.586901] ? lock_downgrade+0x900/0x900 [ 206.586912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.586921] ? refcount_sub_and_test_checked+0x203/0x310 [ 206.586943] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 206.586952] ? addrconf_rs_timer+0x6f0/0x6f0 [ 206.586967] ndisc_alloc_skb+0x144/0x340 [ 206.586978] ndisc_send_rs+0x331/0x6e0 [ 206.586990] addrconf_rs_timer+0x3c0/0x6f0 [ 206.587007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.587034] call_timer_fn+0x272/0x920 [ 206.589260] 0*16kB [ 206.593153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.595722] 1*32kB [ 206.599954] ? process_timeout+0x40/0x40 [ 206.601906] (U) [ 206.606130] ? find_held_lock+0x36/0x1c0 [ 206.608260] 2*64kB [ 206.612068] ? __run_timers+0x7da/0xc70 [ 206.616105] (U) [ 206.621635] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.627159] 1*128kB [ 206.632167] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.637158] (U) [ 206.641238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.645889] 1*256kB (U) [ 206.649698] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 206.654699] 0*512kB [ 206.658501] ? trace_hardirqs_on+0xbd/0x310 [ 206.662536] 1*1024kB [ 206.667195] ? kasan_check_read+0x11/0x20 [ 206.671323] (U) [ 206.676857] ? __run_timers+0x7da/0xc70 [ 206.680895] 1*2048kB [ 206.685299] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.689251] (M) [ 206.693751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 206.698209] 3*4096kB (M) [ 206.702452] __run_timers+0x7e5/0xc70 [ 206.706141] = 15908kB [ 206.711422] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 206.715712] Node 0 [ 206.719857] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 206.725368] DMA32: [ 206.730810] ? graph_lock+0x170/0x170 [ 206.736242] 4*4kB (UM) [ 206.740666] ? enqueue_hrtimer+0x1a5/0x560 [ 206.744709] 3*8kB [ 206.748592] ? lock_release+0x970/0x970 [ 206.752802] (UM) [ 206.757030] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 206.760890] 1*16kB (M) [ 206.763151] ? find_held_lock+0x36/0x1c0 [ 206.767364] 2*32kB [ 206.769597] ? graph_lock+0x170/0x170 [ 206.773631] (UM) [ 206.775601] ? pvclock_read_flags+0x160/0x160 [ 206.779640] 3*64kB [ 206.781870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.785817] (UM) [ 206.787791] ? check_preemption_disabled+0x48/0x200 [ 206.792262] 4*128kB [ 206.794588] ? __lock_is_held+0xb5/0x140 [ 206.799059] (UM) [ 206.801039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.805242] 2*256kB (M) [ 206.807917] ? check_preemption_disabled+0x48/0x200 [ 206.812479] 4*512kB [ 206.814812] run_timer_softirq+0x52/0xb0 [ 206.819108] (UM) [ 206.821514] ? rcu_read_lock_sched_held+0x108/0x120 [ 206.825728] 3*1024kB [ 206.827700] __do_softirq+0x30b/0xad8 [ 206.831650] (M) [ 206.834063] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 206.839478] 1*2048kB (M) [ 206.841468] ? pvclock_read_flags+0x160/0x160 [ 206.845682] 4*4096kB [ 206.848529] ? lapic_next_event+0x5a/0x90 [ 206.848549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.852325] (M) [ 206.854733] ? check_preemption_disabled+0x48/0x200 [ 206.860080] = 24888kB [ 206.862311] ? check_preemption_disabled+0x48/0x200 [ 206.867324] Node 0 [ 206.869568] ? kvm_clock_read+0x18/0x30 [ 206.873344] Normal: 1035*4kB [ 206.875938] ? kvm_sched_clock_read+0x9/0x20 [ 206.880147] (MEH) [ 206.882296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.886248] 457*8kB [ 206.888318] ? check_preemption_disabled+0x48/0x200 [ 206.893682] (UMEH) [ 206.896277] irq_exit+0x17f/0x1c0 [ 206.900438] 163*16kB (MEH) [ 206.902685] smp_apic_timer_interrupt+0x1cb/0x760 [ 206.906462] 58*32kB [ 206.908531] ? smp_reschedule_interrupt+0x109/0x650 [ 206.913000] (UMEH) [ 206.915237] ? smp_call_function_single_interrupt+0x650/0x650 [ 206.915255] ? interrupt_entry+0xb5/0xf0 [ 206.920775] 13*64kB [ 206.922841] ? trace_hardirqs_off_caller+0xbb/0x300 [ 206.927834] (UMH) [ 206.930156] ? trace_hardirqs_off_caller+0xbb/0x300 [ 206.934190] 2*128kB (H) [ 206.936264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.941775] 0*256kB [ 206.944442] ? trace_hardirqs_off+0x300/0x300 [ 206.949432] 0*512kB 0*1024kB [ 206.951758] ? trace_hardirqs_off+0x300/0x300 [ 206.955799] 0*2048kB [ 206.957859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.962855] 0*4096kB [ 206.965259] ? check_preemption_disabled+0x48/0x200 [ 206.969048] = 13348kB [ 206.971023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.976120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 206.978872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.983341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 206.985744] apic_timer_interrupt+0xf/0x20 [ 206.989865] 412 total pagecache pages [ 206.995401] [ 206.997372] 0 pages in swap cache [ 207.002382] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 207.004772] Swap cache stats: add 0, delete 0, find 0/0 [ 207.009779] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 207.012001] Free swap = 0kB [ 207.015958] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 207.019076] Total swap = 0kB [ 207.023468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 207.025598] 1965979 pages RAM [ 207.031120] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 207.033428] 0 pages HighMem/MovableOnly [ 207.038426] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 207.038438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 207.040656] 343323 pages reserved [ 207.040665] 0 pages cma reserved [ 207.044118] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 207.044167] skb_clone+0x1bb/0x500 [ 207.047114] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 207.051887] ? finish_task_switch+0x1b5/0x900 [ 207.051902] ? skb_split+0x11e0/0x11e0 [ 207.051924] ? preempt_notifier_register+0x200/0x200 [ 207.054302] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 207.059248] ? __switch_to_asm+0x34/0x70 [ 207.061465] syz-executor3 cpuset= [ 207.067343] ? __switch_to_asm+0x34/0x70 [ 207.071382] syz3 [ 207.073691] ? __switch_to_asm+0x40/0x70 [ 207.073707] ? __switch_to_asm+0x34/0x70 [ 207.078723] mems_allowed=0 [ 207.080866] ? __switch_to_asm+0x40/0x70 [ 207.322350] ? __switch_to_asm+0x34/0x70 [ 207.326412] ? __switch_to_asm+0x40/0x70 [ 207.330468] ? __switch_to_asm+0x34/0x70 [ 207.334537] ? __switch_to_asm+0x34/0x70 [ 207.338596] ? __switch_to_asm+0x40/0x70 [ 207.342653] ? __switch_to_asm+0x34/0x70 [ 207.346740] bpf_clone_redirect+0xb9/0x490 [ 207.350989] ? __schedule+0x874/0x1ed0 [ 207.354880] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 207.359951] ? __sched_text_start+0x8/0x8 [ 207.364109] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 207.368915] ? find_held_lock+0x36/0x1c0 [ 207.372991] ? lock_acquire+0x1ed/0x520 [ 207.376990] ? bpf_test_run+0x32e/0x5a0 [ 207.380978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.386532] ? check_preemption_disabled+0x48/0x200 [ 207.391576] ? kasan_check_read+0x11/0x20 [ 207.395725] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.401002] ? rcu_bh_qs+0xc0/0xc0 [ 207.404551] ? preempt_schedule+0x4d/0x60 [ 207.408707] ? ___preempt_schedule+0x16/0x18 [ 207.413119] ? bpf_test_run+0x1c0/0x5a0 [ 207.417127] ? netlink_diag_dump+0x2a0/0x2a0 [ 207.421568] ? bpf_prog_test_run_skb+0x295/0xb40 [ 207.426330] ? bpf_prog_test_run_skb+0x634/0xb40 [ 207.431105] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 207.435948] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 207.441499] ? fput+0x130/0x1a0 [ 207.444778] ? __bpf_prog_get+0x9b/0x290 [ 207.448867] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 207.453703] ? bpf_prog_test_run+0x130/0x1a0 [ 207.458116] ? __x64_sys_bpf+0x3d8/0x510 [ 207.462176] ? bpf_prog_get+0x20/0x20 [ 207.465995] ? do_syscall_64+0x1b9/0x820 [ 207.470056] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 207.475435] ? syscall_return_slowpath+0x5e0/0x5e0 [ 207.480364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.485213] ? trace_hardirqs_off+0x300/0x300 [ 207.489714] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 207.494730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.500271] ? prepare_exit_to_usermode+0x291/0x3b0 [ 207.505294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.510362] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.515752] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 207.515821] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 207.522944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.522949] Call Trace: [ 207.522956] [ 207.522972] dump_stack+0x1c4/0x2b4 [ 207.522992] ? dump_stack_print_info.cold.2+0x52/0x52 [ 207.529562] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 207.538832] warn_alloc.cold.118+0xb7/0x1bd [ 207.541385] syz-executor3 cpuset= [ 207.543531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 207.547133] syz3 [ 207.552349] ? lock_downgrade+0x900/0x900 [ 207.562815] mems_allowed=0 [ 207.567161] ? trace_hardirqs_off+0xb8/0x300 [ 207.588860] ? trace_hardirqs_off+0xb8/0x300 [ 207.593282] __alloc_pages_slowpath+0x2667/0x2d80 [ 207.598169] ? warn_alloc+0x120/0x120 [ 207.602005] ? warn_alloc+0x120/0x120 [ 207.605819] ? print_usage_bug+0xc0/0xc0 [ 207.609880] ? warn_alloc+0x120/0x120 [ 207.613683] ? print_usage_bug+0xc0/0xc0 [ 207.617748] ? __lock_acquire+0x7ec/0x4ec0 [ 207.621986] ? __lock_acquire+0x7ec/0x4ec0 [ 207.626236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.631775] ? should_fail+0x22d/0xd01 [ 207.635675] ? __lock_acquire+0x7ec/0x4ec0 [ 207.639915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.645023] ? __lock_acquire+0x7ec/0x4ec0 [ 207.649261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.654361] ? __lock_acquire+0x7ec/0x4ec0 [ 207.658591] ? should_fail+0x22d/0xd01 [ 207.662504] ? mark_held_locks+0x130/0x130 [ 207.666760] ? mark_held_locks+0x130/0x130 [ 207.671012] ? graph_lock+0x170/0x170 [ 207.674815] ? print_usage_bug+0xc0/0xc0 [ 207.678875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.684411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.689943] ? check_preemption_disabled+0x48/0x200 [ 207.694954] ? check_preemption_disabled+0x48/0x200 [ 207.699983] ? __lock_is_held+0xb5/0x140 [ 207.704052] __alloc_pages_nodemask+0xa80/0xde0 [ 207.708719] ? graph_lock+0x170/0x170 [ 207.712525] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 207.717540] ? graph_lock+0x170/0x170 [ 207.721361] ? find_held_lock+0x36/0x1c0 [ 207.725432] ? ____cache_alloc_node+0x1c7/0x1e0 [ 207.730106] ? lock_downgrade+0x900/0x900 [ 207.734263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.739810] cache_grow_begin+0x91/0x8c0 [ 207.743872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 207.748290] fallback_alloc+0x203/0x2e0 [ 207.752284] ____cache_alloc_node+0x1c7/0x1e0 [ 207.756787] kmem_cache_alloc_node+0xe3/0x730 [ 207.761285] ? ipv6_get_ifaddr+0x42e/0x620 [ 207.765536] __alloc_skb+0x119/0x770 [ 207.769300] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.774578] ? skb_scrub_packet+0x490/0x490 [ 207.778900] ? lock_downgrade+0x900/0x900 [ 207.783054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.788592] ? refcount_sub_and_test_checked+0x203/0x310 [ 207.794045] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 207.799493] ? addrconf_rs_timer+0x6f0/0x6f0 [ 207.803933] ndisc_alloc_skb+0x144/0x340 [ 207.808006] ndisc_send_rs+0x331/0x6e0 [ 207.811912] addrconf_rs_timer+0x3c0/0x6f0 [ 207.816154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.820419] call_timer_fn+0x272/0x920 [ 207.824304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.828545] ? process_timeout+0x40/0x40 [ 207.832605] ? find_held_lock+0x36/0x1c0 [ 207.836678] ? __run_timers+0x7da/0xc70 [ 207.840654] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.845145] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.849640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.853874] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 207.858457] ? trace_hardirqs_on+0xbd/0x310 [ 207.862779] ? kasan_check_read+0x11/0x20 [ 207.866928] ? __run_timers+0x7da/0xc70 [ 207.870907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.876377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.880620] __run_timers+0x7e5/0xc70 [ 207.884456] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 207.889857] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 207.894871] ? graph_lock+0x170/0x170 [ 207.898698] ? enqueue_hrtimer+0x1a5/0x560 [ 207.902927] ? lock_release+0x970/0x970 [ 207.906907] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 207.912106] ? find_held_lock+0x36/0x1c0 [ 207.916174] ? graph_lock+0x170/0x170 [ 207.919978] ? pvclock_read_flags+0x160/0x160 [ 207.924477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.930016] ? check_preemption_disabled+0x48/0x200 [ 207.935044] ? __lock_is_held+0xb5/0x140 [ 207.939109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.944678] ? check_preemption_disabled+0x48/0x200 [ 207.949703] run_timer_softirq+0x52/0xb0 [ 207.953764] ? rcu_read_lock_sched_held+0x108/0x120 [ 207.958782] __do_softirq+0x30b/0xad8 [ 207.962601] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 207.967715] ? pvclock_read_flags+0x160/0x160 [ 207.972209] ? lapic_next_event+0x5a/0x90 [ 207.976385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.981919] ? check_preemption_disabled+0x48/0x200 [ 207.986935] ? check_preemption_disabled+0x48/0x200 [ 207.991959] ? kvm_clock_read+0x18/0x30 [ 207.995932] ? kvm_sched_clock_read+0x9/0x20 [ 208.000357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.005891] ? check_preemption_disabled+0x48/0x200 [ 208.010949] irq_exit+0x17f/0x1c0 [ 208.014407] smp_apic_timer_interrupt+0x1cb/0x760 [ 208.019254] ? smp_reschedule_interrupt+0x109/0x650 [ 208.024282] ? smp_call_function_single_interrupt+0x650/0x650 [ 208.030165] ? interrupt_entry+0xb5/0xf0 [ 208.034242] ? trace_hardirqs_off_caller+0xbb/0x300 [ 208.039257] ? trace_hardirqs_off_caller+0xbb/0x300 [ 208.044282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.049124] ? trace_hardirqs_off+0x300/0x300 [ 208.053617] ? trace_hardirqs_off+0x300/0x300 [ 208.058112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.063651] ? check_preemption_disabled+0x48/0x200 [ 208.068666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.074208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.079077] apic_timer_interrupt+0xf/0x20 [ 208.083304] [ 208.085545] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 208.090477] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 208.109379] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 208.117088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 208.124353] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 208.131621] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 208.138887] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 208.146158] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 208.153475] skb_clone+0x1bb/0x500 [ 208.157021] ? finish_task_switch+0x664/0x900 [ 208.161515] ? skb_split+0x11e0/0x11e0 [ 208.165404] ? preempt_notifier_register+0x200/0x200 [ 208.170518] ? __switch_to_asm+0x34/0x70 [ 208.174591] ? __switch_to_asm+0x34/0x70 [ 208.178675] ? __switch_to_asm+0x40/0x70 [ 208.182733] ? __switch_to_asm+0x34/0x70 [ 208.186792] ? __switch_to_asm+0x40/0x70 [ 208.190854] ? __switch_to_asm+0x34/0x70 [ 208.194927] ? __switch_to_asm+0x40/0x70 [ 208.199006] ? __switch_to_asm+0x34/0x70 [ 208.203068] ? __switch_to_asm+0x34/0x70 [ 208.207131] ? __switch_to_asm+0x40/0x70 [ 208.211204] ? __switch_to_asm+0x34/0x70 [ 208.215283] bpf_clone_redirect+0xb9/0x490 [ 208.219558] ? __schedule+0x874/0x1ed0 [ 208.223461] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 208.228482] ? __sched_text_start+0x8/0x8 [ 208.232632] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.237405] ? find_held_lock+0x36/0x1c0 [ 208.241478] ? lock_acquire+0x1ed/0x520 [ 208.245455] ? bpf_test_run+0x32e/0x5a0 [ 208.249433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.254969] ? check_preemption_disabled+0x48/0x200 [ 208.260006] ? kasan_check_read+0x11/0x20 [ 208.264158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 208.269440] ? rcu_bh_qs+0xc0/0xc0 [ 208.273027] ? preempt_schedule+0x4d/0x60 [ 208.277202] ? ___preempt_schedule+0x16/0x18 [ 208.281626] ? bpf_test_run+0x1c0/0x5a0 [ 208.285610] ? netlink_diag_dump+0x2a0/0x2a0 [ 208.290040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.295573] ? bpf_test_init.isra.9+0x70/0x100 [ 208.300163] ? bpf_prog_test_run_skb+0x634/0xb40 [ 208.304927] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.309769] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 208.315305] ? fput+0x130/0x1a0 [ 208.318591] ? __bpf_prog_get+0x9b/0x290 [ 208.322663] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.327515] ? bpf_prog_test_run+0x130/0x1a0 [ 208.331929] ? __x64_sys_bpf+0x3d8/0x510 [ 208.336001] ? bpf_prog_get+0x20/0x20 [ 208.339815] ? ksys_ioctl+0x81/0xd0 [ 208.343453] ? do_syscall_64+0x1b9/0x820 [ 208.347515] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 208.352887] ? syscall_return_slowpath+0x5e0/0x5e0 [ 208.357822] ? trace_hardirqs_off+0x300/0x300 [ 208.362321] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 208.367338] ? recalc_sigpending_tsk+0x180/0x180 [ 208.372117] ? kasan_check_write+0x14/0x20 [ 208.376364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.381223] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 208.386614] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 208.386620] warn_alloc_show_mem: 1 callbacks suppressed [ 208.386641] Mem-Info: [ 208.393834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.399258] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 208.399258] active_file:17 inactive_file:11 isolated_file:5 [ 208.399258] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.399258] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 208.399258] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 208.399258] free:13528 free_pcp:440 free_cma:0 [ 208.399275] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 208.399278] 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 [ 208.399297] lowmem_reserve[]: 0 2815 6318 6318 [ 208.399310] Node 0 DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 208.399329] lowmem_reserve[]: 0 0 3503 3503 [ 208.399341] Node 0 Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 208.399361] lowmem_reserve[]: 0 0 0 0 [ 208.399373] 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 [ 208.399444] Node 0 DMA32: 4*4kB (UM) 3*8kB (UM) 1*16kB (M) 2*32kB (UM) 3*64kB (UM) 4*128kB (UM) 2*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 24888kB [ 208.399515] Node 0 Normal: 1035*4kB [ 208.401933] Call Trace: [ 208.411267] (MEH) 457*8kB [ 208.444176] [ 208.472010] (UMEH) 163*16kB [ 208.498139] dump_stack+0x1c4/0x2b4 [ 208.502700] (MEH) [ 208.530462] ? dump_stack_print_info.cold.2+0x52/0x52 [ 208.534766] 58*32kB [ 208.563830] warn_alloc.cold.118+0xb7/0x1bd [ 208.567607] (UMEH) [ 208.581139] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.596372] 13*64kB [ 208.600078] ? lock_downgrade+0x900/0x900 [ 208.602638] (UMH) [ 208.605485] ? trace_hardirqs_off+0xb8/0x300 [ 208.607603] 2*128kB (H) [ 208.610631] ? trace_hardirqs_off+0xb8/0x300 [ 208.614230] 0*256kB 0*512kB [ 208.616395] __alloc_pages_slowpath+0x2667/0x2d80 [ 208.621560] 0*1024kB [ 208.623906] ? warn_alloc+0x120/0x120 [ 208.628194] 0*2048kB 0*4096kB [ 208.630445] ? trace_hardirqs_on+0x310/0x310 [ 208.635287] = 13348kB [ 208.637608] ? warn_alloc+0x120/0x120 [ 208.641742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 208.643907] ? print_usage_bug+0xc0/0xc0 [ 208.648296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 208.650957] ? warn_alloc+0x120/0x120 [ 208.655344] 412 total pagecache pages [ 208.658359] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 208.663186] 0 pages in swap cache [ 208.665590] ? print_usage_bug+0xc0/0xc0 [ 208.669376] Swap cache stats: add 0, delete 0, find 0/0 [ 208.672555] ? __lock_acquire+0x7ec/0x4ec0 [ 208.676941] Free swap = 0kB [ 208.679343] ? __lock_acquire+0x7ec/0x4ec0 [ 208.683114] Total swap = 0kB [ 208.683123] 1965979 pages RAM [ 208.691958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.695993] 0 pages HighMem/MovableOnly [ 208.704579] ? should_fail+0x22d/0xd01 [ 208.708354] 343323 pages reserved [ 208.708363] 0 pages cma reserved [ 208.712163] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.717214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 208.720595] ? __lock_acquire+0x7ec/0x4ec0 [ 208.720615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.720632] ? __lock_acquire+0x7ec/0x4ec0 [ 208.724728] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 208.730031] ? should_fail+0x22d/0xd01 [ 208.734247] syz-executor3 cpuset= [ 208.737265] ? print_usage_bug+0xc0/0xc0 [ 208.737288] ? mark_held_locks+0x130/0x130 [ 208.741494] syz3 [ 208.744518] ? mark_held_locks+0x130/0x130 [ 208.747603] mems_allowed=0 [ 208.753133] ? graph_lock+0x170/0x170 [ 208.831766] ? print_usage_bug+0xc0/0xc0 [ 208.835828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.840588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.846125] ? check_preemption_disabled+0x48/0x200 [ 208.851150] ? check_preemption_disabled+0x48/0x200 [ 208.856175] ? __lock_is_held+0xb5/0x140 [ 208.860249] __alloc_pages_nodemask+0xa80/0xde0 [ 208.864933] ? graph_lock+0x170/0x170 [ 208.868752] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 208.873766] ? graph_lock+0x170/0x170 [ 208.877578] ? find_held_lock+0x36/0x1c0 [ 208.881649] ? ____cache_alloc_node+0x1c7/0x1e0 [ 208.886319] ? lock_downgrade+0x900/0x900 [ 208.890474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.896021] cache_grow_begin+0x91/0x8c0 [ 208.900084] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.904506] fallback_alloc+0x203/0x2e0 [ 208.908517] ____cache_alloc_node+0x1c7/0x1e0 [ 208.913018] kmem_cache_alloc_node+0xe3/0x730 [ 208.917518] ? ipv6_get_ifaddr+0x42e/0x620 [ 208.921765] __alloc_skb+0x119/0x770 [ 208.925484] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 208.930769] ? skb_scrub_packet+0x490/0x490 [ 208.935089] ? lock_downgrade+0x900/0x900 [ 208.939264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.944808] ? refcount_sub_and_test_checked+0x203/0x310 [ 208.950261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 208.955721] ? addrconf_rs_timer+0x6f0/0x6f0 [ 208.960170] ndisc_alloc_skb+0x144/0x340 [ 208.964257] ndisc_send_rs+0x331/0x6e0 [ 208.968163] addrconf_rs_timer+0x3c0/0x6f0 [ 208.972431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.976687] call_timer_fn+0x272/0x920 [ 208.980577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.984815] ? process_timeout+0x40/0x40 [ 208.988874] ? find_held_lock+0x36/0x1c0 [ 208.992954] ? __run_timers+0x7da/0xc70 [ 208.996930] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.001425] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.005921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.010157] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 209.014746] ? trace_hardirqs_on+0xbd/0x310 [ 209.019063] ? kasan_check_read+0x11/0x20 [ 209.023228] ? __run_timers+0x7da/0xc70 [ 209.027207] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.032683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.036923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.041161] __run_timers+0x7e5/0xc70 [ 209.044983] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.050347] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.055360] ? graph_lock+0x170/0x170 [ 209.059162] ? enqueue_hrtimer+0x1a5/0x560 [ 209.063394] ? lock_release+0x970/0x970 [ 209.067381] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 209.072577] ? find_held_lock+0x36/0x1c0 [ 209.076644] ? graph_lock+0x170/0x170 [ 209.080461] ? pvclock_read_flags+0x160/0x160 [ 209.084965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.090517] ? check_preemption_disabled+0x48/0x200 [ 209.095548] ? __lock_is_held+0xb5/0x140 [ 209.099613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.105148] ? check_preemption_disabled+0x48/0x200 [ 209.110170] run_timer_softirq+0x52/0xb0 [ 209.114259] ? rcu_read_lock_sched_held+0x108/0x120 [ 209.119278] __do_softirq+0x30b/0xad8 [ 209.123090] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 209.128207] ? pvclock_read_flags+0x160/0x160 [ 209.132732] ? lapic_next_event+0x5a/0x90 [ 209.136889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.142429] ? check_preemption_disabled+0x48/0x200 [ 209.147451] ? check_preemption_disabled+0x48/0x200 [ 209.152473] ? kvm_clock_read+0x18/0x30 [ 209.156450] ? kvm_sched_clock_read+0x9/0x20 [ 209.160880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.166416] ? check_preemption_disabled+0x48/0x200 [ 209.171446] irq_exit+0x17f/0x1c0 [ 209.174906] smp_apic_timer_interrupt+0x1cb/0x760 [ 209.179755] ? smp_reschedule_interrupt+0x109/0x650 [ 209.184777] ? smp_call_function_single_interrupt+0x650/0x650 [ 209.190665] ? interrupt_entry+0xb5/0xf0 [ 209.194728] ? trace_hardirqs_off_caller+0xbb/0x300 [ 209.199746] ? trace_hardirqs_off_caller+0xbb/0x300 [ 209.204762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.209602] ? trace_hardirqs_off+0x300/0x300 [ 209.214132] ? trace_hardirqs_off+0x300/0x300 [ 209.218627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.224165] ? check_preemption_disabled+0x48/0x200 [ 209.229204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.234763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.239614] apic_timer_interrupt+0xf/0x20 [ 209.243846] [ 209.246082] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 209.251015] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 209.269913] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 209.277628] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 209.284892] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 209.292160] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 209.299425] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 209.306695] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 209.314020] skb_clone+0x1bb/0x500 [ 209.317560] ? finish_task_switch+0x1b5/0x900 [ 209.322078] ? skb_split+0x11e0/0x11e0 [ 209.325964] ? preempt_notifier_register+0x200/0x200 [ 209.331078] ? __switch_to_asm+0x34/0x70 [ 209.335135] ? __switch_to_asm+0x34/0x70 [ 209.339190] ? __switch_to_asm+0x40/0x70 [ 209.343254] ? __switch_to_asm+0x34/0x70 [ 209.347313] ? __switch_to_asm+0x40/0x70 [ 209.351384] ? __switch_to_asm+0x34/0x70 [ 209.355438] ? __switch_to_asm+0x40/0x70 [ 209.359502] ? __switch_to_asm+0x34/0x70 [ 209.363564] ? __switch_to_asm+0x34/0x70 [ 209.367624] ? __switch_to_asm+0x40/0x70 [ 209.371688] ? __switch_to_asm+0x34/0x70 [ 209.375759] bpf_clone_redirect+0xb9/0x490 [ 209.380009] ? __schedule+0x874/0x1ed0 [ 209.383917] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 209.388936] ? __sched_text_start+0x8/0x8 [ 209.393092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 209.397858] ? find_held_lock+0x36/0x1c0 [ 209.401946] ? lock_acquire+0x1ed/0x520 [ 209.405915] ? bpf_test_run+0x32e/0x5a0 [ 209.409918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.415457] ? check_preemption_disabled+0x48/0x200 [ 209.420476] ? kasan_check_read+0x11/0x20 [ 209.424633] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.429944] ? rcu_bh_qs+0xc0/0xc0 [ 209.433489] ? preempt_schedule+0x4d/0x60 [ 209.437647] ? ___preempt_schedule+0x16/0x18 [ 209.442064] ? bpf_test_run+0x1c0/0x5a0 [ 209.446052] ? netlink_diag_dump+0x2a0/0x2a0 [ 209.450468] ? bpf_prog_test_run_skb+0x295/0xb40 [ 209.455252] ? bpf_prog_test_run_skb+0x634/0xb40 [ 209.460020] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 209.464865] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 209.470399] ? fput+0x130/0x1a0 [ 209.473696] ? __bpf_prog_get+0x9b/0x290 [ 209.477761] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 209.482625] ? bpf_prog_test_run+0x130/0x1a0 [ 209.487042] ? __x64_sys_bpf+0x3d8/0x510 [ 209.491100] ? bpf_prog_get+0x20/0x20 [ 209.494956] ? do_syscall_64+0x1b9/0x820 [ 209.499036] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 209.504400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 209.509548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.514407] ? trace_hardirqs_off+0x300/0x300 [ 209.518903] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 209.523919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.529455] ? prepare_exit_to_usermode+0x291/0x3b0 [ 209.534480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.539338] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 209.544726] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 209.544796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 209.551920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.551926] Call Trace: [ 209.551933] [ 209.551949] dump_stack+0x1c4/0x2b4 [ 209.551970] ? dump_stack_print_info.cold.2+0x52/0x52 [ 209.558552] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.567823] warn_alloc.cold.118+0xb7/0x1bd [ 209.570383] syz-executor3 cpuset= [ 209.572533] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 209.576139] syz3 [ 209.581336] ? lock_downgrade+0x900/0x900 [ 209.591802] mems_allowed=0 [ 209.596128] ? trace_hardirqs_off+0xb8/0x300 [ 209.617843] ? trace_hardirqs_off+0xb8/0x300 [ 209.622283] __alloc_pages_slowpath+0x2667/0x2d80 [ 209.627155] ? warn_alloc+0x120/0x120 [ 209.630971] ? warn_alloc+0x120/0x120 [ 209.634794] ? print_usage_bug+0xc0/0xc0 [ 209.638858] ? warn_alloc+0x120/0x120 [ 209.642682] ? print_usage_bug+0xc0/0xc0 [ 209.646747] ? __lock_acquire+0x7ec/0x4ec0 [ 209.650982] ? __lock_acquire+0x7ec/0x4ec0 [ 209.655234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.660775] ? should_fail+0x22d/0xd01 [ 209.664665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.669777] ? __lock_acquire+0x7ec/0x4ec0 [ 209.674043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.679148] ? __lock_acquire+0x7ec/0x4ec0 [ 209.683380] ? should_fail+0x22d/0xd01 [ 209.687281] ? mark_held_locks+0x130/0x130 [ 209.691524] ? mark_held_locks+0x130/0x130 [ 209.695759] ? graph_lock+0x170/0x170 [ 209.699562] ? graph_lock+0x170/0x170 [ 209.703368] ? graph_lock+0x170/0x170 [ 209.707168] ? print_usage_bug+0xc0/0xc0 [ 209.711236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.716775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.722311] ? check_preemption_disabled+0x48/0x200 [ 209.727336] ? check_preemption_disabled+0x48/0x200 [ 209.732363] ? __lock_is_held+0xb5/0x140 [ 209.736442] __alloc_pages_nodemask+0xa80/0xde0 [ 209.741107] ? graph_lock+0x170/0x170 [ 209.744925] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.749938] ? graph_lock+0x170/0x170 [ 209.753764] ? find_held_lock+0x36/0x1c0 [ 209.757832] ? ____cache_alloc_node+0x1c7/0x1e0 [ 209.762499] ? lock_downgrade+0x900/0x900 [ 209.766656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.772205] cache_grow_begin+0x91/0x8c0 [ 209.776273] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.780689] fallback_alloc+0x203/0x2e0 [ 209.784670] ____cache_alloc_node+0x1c7/0x1e0 [ 209.789169] kmem_cache_alloc_node+0xe3/0x730 [ 209.793664] ? ipv6_get_ifaddr+0x42e/0x620 [ 209.797914] __alloc_skb+0x119/0x770 [ 209.801629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.806910] ? skb_scrub_packet+0x490/0x490 [ 209.811234] ? lock_downgrade+0x900/0x900 [ 209.815389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.820927] ? refcount_sub_and_test_checked+0x203/0x310 [ 209.826384] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 209.831838] ? addrconf_rs_timer+0x6f0/0x6f0 [ 209.836294] ndisc_alloc_skb+0x144/0x340 [ 209.840366] ndisc_send_rs+0x331/0x6e0 [ 209.844263] addrconf_rs_timer+0x3c0/0x6f0 [ 209.848502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.852754] call_timer_fn+0x272/0x920 [ 209.856643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.860879] ? process_timeout+0x40/0x40 [ 209.864940] ? find_held_lock+0x36/0x1c0 [ 209.869031] ? __run_timers+0x7da/0xc70 [ 209.873015] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.877510] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.882010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.886252] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 209.890835] ? trace_hardirqs_on+0xbd/0x310 [ 209.895150] ? kasan_check_read+0x11/0x20 [ 209.899298] ? __run_timers+0x7da/0xc70 [ 209.903273] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.908732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.912976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.917237] __run_timers+0x7e5/0xc70 [ 209.921050] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.926432] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.931452] ? graph_lock+0x170/0x170 [ 209.935257] ? enqueue_hrtimer+0x1a5/0x560 [ 209.939501] ? lock_release+0x970/0x970 [ 209.943488] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 209.948688] ? find_held_lock+0x36/0x1c0 [ 209.952754] ? graph_lock+0x170/0x170 [ 209.956558] ? pvclock_read_flags+0x160/0x160 [ 209.961056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.966594] ? check_preemption_disabled+0x48/0x200 [ 209.971625] ? __lock_is_held+0xb5/0x140 [ 209.975704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.981252] ? check_preemption_disabled+0x48/0x200 [ 209.986284] run_timer_softirq+0x52/0xb0 [ 209.990345] ? rcu_read_lock_sched_held+0x108/0x120 [ 209.995363] __do_softirq+0x30b/0xad8 [ 209.999176] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 210.004292] ? pvclock_read_flags+0x160/0x160 [ 210.008787] ? lapic_next_event+0x5a/0x90 [ 210.012932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.018465] ? check_preemption_disabled+0x48/0x200 [ 210.023482] ? check_preemption_disabled+0x48/0x200 [ 210.028519] ? kvm_clock_read+0x18/0x30 [ 210.032496] ? kvm_sched_clock_read+0x9/0x20 [ 210.036904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.042438] ? check_preemption_disabled+0x48/0x200 [ 210.047465] irq_exit+0x17f/0x1c0 [ 210.050922] smp_apic_timer_interrupt+0x1cb/0x760 [ 210.055762] ? smp_reschedule_interrupt+0x109/0x650 [ 210.060777] ? smp_call_function_single_interrupt+0x650/0x650 [ 210.066661] ? interrupt_entry+0xb5/0xf0 [ 210.070744] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.075761] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.080780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.085622] ? trace_hardirqs_off+0x300/0x300 [ 210.090112] ? trace_hardirqs_off+0x300/0x300 [ 210.094607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.100144] ? check_preemption_disabled+0x48/0x200 [ 210.105158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.110701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.115562] apic_timer_interrupt+0xf/0x20 [ 210.119792] [ 210.122033] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 210.126966] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 210.145883] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 210.153593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 210.160870] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 210.168135] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 210.175405] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 210.182680] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 210.190009] skb_clone+0x1bb/0x500 [ 210.193551] ? finish_task_switch+0x664/0x900 [ 210.198047] ? skb_split+0x11e0/0x11e0 [ 210.201933] ? preempt_notifier_register+0x200/0x200 [ 210.207035] ? __switch_to_asm+0x34/0x70 [ 210.211091] ? __switch_to_asm+0x34/0x70 [ 210.215147] ? __switch_to_asm+0x40/0x70 [ 210.219229] ? __switch_to_asm+0x34/0x70 [ 210.223288] ? __switch_to_asm+0x40/0x70 [ 210.227347] ? __switch_to_asm+0x34/0x70 [ 210.231418] ? __switch_to_asm+0x40/0x70 [ 210.235476] ? __switch_to_asm+0x34/0x70 [ 210.239542] ? __switch_to_asm+0x34/0x70 [ 210.243597] ? __switch_to_asm+0x40/0x70 [ 210.247677] ? __switch_to_asm+0x34/0x70 [ 210.251747] bpf_clone_redirect+0xb9/0x490 [ 210.255984] ? __schedule+0x874/0x1ed0 [ 210.259885] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 210.264918] ? __sched_text_start+0x8/0x8 [ 210.269192] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 210.273979] ? find_held_lock+0x36/0x1c0 [ 210.278074] ? lock_acquire+0x1ed/0x520 [ 210.282044] ? bpf_test_run+0x32e/0x5a0 [ 210.286024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.291562] ? check_preemption_disabled+0x48/0x200 [ 210.296586] ? kasan_check_read+0x11/0x20 [ 210.300734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 210.306018] ? rcu_bh_qs+0xc0/0xc0 [ 210.309565] ? preempt_schedule+0x4d/0x60 [ 210.313716] ? ___preempt_schedule+0x16/0x18 [ 210.318133] ? bpf_test_run+0x1c0/0x5a0 [ 210.322117] ? netlink_diag_dump+0x2a0/0x2a0 [ 210.326531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.332095] ? bpf_test_init.isra.9+0x70/0x100 [ 210.336679] ? bpf_prog_test_run_skb+0x634/0xb40 [ 210.341455] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 210.346293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 210.351841] ? fput+0x130/0x1a0 [ 210.355123] ? __bpf_prog_get+0x9b/0x290 [ 210.359184] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 210.364031] ? bpf_prog_test_run+0x130/0x1a0 [ 210.368466] ? __x64_sys_bpf+0x3d8/0x510 [ 210.372531] ? bpf_prog_get+0x20/0x20 [ 210.376342] ? ksys_ioctl+0x81/0xd0 [ 210.379977] ? do_syscall_64+0x1b9/0x820 [ 210.384053] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 210.389421] ? syscall_return_slowpath+0x5e0/0x5e0 [ 210.394353] ? trace_hardirqs_off+0x300/0x300 [ 210.398848] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 210.404066] ? recalc_sigpending_tsk+0x180/0x180 [ 210.408828] ? kasan_check_write+0x14/0x20 [ 210.413079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.417931] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 210.423311] warn_alloc_show_mem: 1 callbacks suppressed [ 210.423322] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 210.423324] Mem-Info: [ 210.423354] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 210.423354] active_file:17 inactive_file:11 isolated_file:5 [ 210.423354] unevictable:0 dirty:0 writeback:0 unstable:0 [ 210.423354] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 210.423354] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 210.423354] free:13528 free_pcp:440 free_cma:0 [ 210.428688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.428697] Call Trace: [ 210.435890] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 210.438300] [ 210.471166] Node 0 [ 210.480521] dump_stack+0x1c4/0x2b4 [ 210.483110] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.510855] ? dump_stack_print_info.cold.2+0x52/0x52 [ 210.513001] lowmem_reserve[]: [ 210.515235] warn_alloc.cold.118+0xb7/0x1bd [ 210.518838] 0 [ 210.544350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.549513] 2815 6318 [ 210.552637] ? lock_downgrade+0x900/0x900 [ 210.556932] 6318 [ 210.558747] ? trace_hardirqs_off+0xb8/0x300 [ 210.566058] ? trace_hardirqs_off+0xb8/0x300 [ 210.570178] Node 0 [ 210.572245] __alloc_pages_slowpath+0x2667/0x2d80 [ 210.576653] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 210.581073] ? warn_alloc+0x120/0x120 [ 210.583254] lowmem_reserve[]: [ 210.588107] ? trace_hardirqs_on+0x310/0x310 [ 210.615236] 0 [ 210.619034] ? warn_alloc+0x120/0x120 [ 210.622119] 0 [ 210.626523] ? print_usage_bug+0xc0/0xc0 [ 210.628304] 3503 [ 210.632099] ? warn_alloc+0x120/0x120 [ 210.633881] 3503 [ 210.637941] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 210.643784] ? print_usage_bug+0xc0/0xc0 [ 210.645830] Node 0 [ 210.650839] ? __lock_acquire+0x7ec/0x4ec0 [ 210.654912] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 210.657120] ? __lock_acquire+0x7ec/0x4ec0 [ 210.661328] lowmem_reserve[]: [ 210.689792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.694027] 0 [ 210.697127] ? should_fail+0x22d/0xd01 [ 210.702639] 0 [ 210.704439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.708301] 0 [ 210.710097] ? __lock_acquire+0x7ec/0x4ec0 [ 210.715172] 0 [ 210.716967] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.722983] ? __lock_acquire+0x7ec/0x4ec0 [ 210.728069] Node 0 [ 210.732292] ? should_fail+0x22d/0xd01 [ 210.732302] DMA: [ 210.734533] ? print_usage_bug+0xc0/0xc0 [ 210.738404] 1*4kB [ 210.740469] ? mark_held_locks+0x130/0x130 [ 210.744497] (U) 0*8kB [ 210.746664] ? mark_held_locks+0x130/0x130 [ 210.750869] 0*16kB 1*32kB [ 210.753375] ? graph_lock+0x170/0x170 [ 210.757587] (U) [ 210.760440] ? print_usage_bug+0xc0/0xc0 [ 210.764239] 2*64kB [ 210.766232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 210.766251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.770287] (U) [ 210.772533] ? check_preemption_disabled+0x48/0x200 [ 210.777266] 1*128kB [ 210.782794] ? check_preemption_disabled+0x48/0x200 [ 210.784752] (U) [ 210.789766] ? __lock_is_held+0xb5/0x140 [ 210.792067] 1*256kB [ 210.797079] __alloc_pages_nodemask+0xa80/0xde0 [ 210.799027] (U) 0*512kB [ 210.803093] ? graph_lock+0x170/0x170 [ 210.805395] 1*1024kB [ 210.810054] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.812699] (U) [ 210.816494] ? graph_lock+0x170/0x170 [ 210.818884] 1*2048kB [ 210.823910] ? find_held_lock+0x36/0x1c0 [ 210.825861] (M) [ 210.829660] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.832044] 3*4096kB [ 210.836101] ? lock_downgrade+0x900/0x900 [ 210.838052] (M) [ 210.842727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.845103] = 15908kB [ 210.845112] Node 0 [ 210.849256] cache_grow_begin+0x91/0x8c0 [ 210.851204] DMA32: 4*4kB [ 210.856754] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.859144] (UM) [ 210.861380] fallback_alloc+0x203/0x2e0 [ 210.865408] 3*8kB (UM) [ 210.868173] ____cache_alloc_node+0x1c7/0x1e0 [ 210.872554] 1*16kB [ 210.874611] kmem_cache_alloc_node+0xe3/0x730 [ 210.878561] (M) [ 210.881138] ? ipv6_get_ifaddr+0x42e/0x620 [ 210.885606] 2*32kB (UM) [ 210.887876] __alloc_skb+0x119/0x770 [ 210.892356] 3*64kB (UM) [ 210.894340] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 210.898544] 4*128kB (UM) [ 210.901223] ? skb_scrub_packet+0x490/0x490 [ 210.904912] 2*256kB (M) [ 210.907603] ? lock_downgrade+0x900/0x900 [ 210.912857] 4*512kB [ 210.915612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.919908] (UM) [ 210.922575] ? refcount_sub_and_test_checked+0x203/0x310 [ 210.926697] 3*1024kB [ 210.929019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 210.934531] (M) [ 210.936588] ? addrconf_rs_timer+0x6f0/0x6f0 [ 210.942020] 1*2048kB [ 210.944430] ndisc_alloc_skb+0x144/0x340 [ 210.949843] (M) 4*4096kB [ 210.951825] ndisc_send_rs+0x331/0x6e0 [ 210.956203] (M) = 24888kB [ 210.958637] addrconf_rs_timer+0x3c0/0x6f0 [ 210.962686] Node 0 [ 210.965443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.969306] Normal: [ 210.972064] call_timer_fn+0x272/0x920 [ 210.976266] 1035*4kB [ 210.978507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.982712] (MEH) [ 210.985037] ? process_timeout+0x40/0x40 [ 210.988915] 457*8kB [ 210.991327] ? find_held_lock+0x36/0x1c0 [ 210.991351] ? __run_timers+0x7da/0xc70 [ 210.995556] (UMEH) [ 210.997708] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.001747] 163*16kB [ 211.004088] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.008122] (MEH) [ 211.012121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.014340] 58*32kB [ 211.018830] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 211.021215] (UMEH) [ 211.025709] ? trace_hardirqs_on+0xbd/0x310 [ 211.027840] 13*64kB [ 211.032071] ? kasan_check_read+0x11/0x20 [ 211.034383] (UMH) [ 211.038969] ? __run_timers+0x7da/0xc70 [ 211.041184] 2*128kB [ 211.045508] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.047801] (H) [ 211.051946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.054071] 0*256kB [ 211.058042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.060340] 0*512kB 0*1024kB [ 211.065799] __run_timers+0x7e5/0xc70 [ 211.067747] 0*2048kB 0*4096kB [ 211.071994] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 211.074295] = 13348kB [ 211.078529] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 211.081619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.085407] ? graph_lock+0x170/0x170 [ 211.088582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 211.093931] ? enqueue_hrtimer+0x1a5/0x560 [ 211.096325] 412 total pagecache pages [ 211.101334] ? lock_release+0x970/0x970 [ 211.110151] 0 pages in swap cache [ 211.113941] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 211.122492] Swap cache stats: add 0, delete 0, find 0/0 [ 211.122509] Free swap = 0kB [ 211.126739] ? find_held_lock+0x36/0x1c0 [ 211.130514] Total swap = 0kB [ 211.134483] ? graph_lock+0x170/0x170 [ 211.137913] 1965979 pages RAM [ 211.143095] ? pvclock_read_flags+0x160/0x160 [ 211.148431] 0 pages HighMem/MovableOnly [ 211.148440] 343323 pages reserved [ 211.151460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.155495] 0 pages cma reserved [ 211.158512] ? check_preemption_disabled+0x48/0x200 [ 211.162381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 211.165417] ? __lock_is_held+0xb5/0x140 [ 211.169983] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.173858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.177289] syz-executor3 cpuset= [ 211.182821] ? check_preemption_disabled+0x48/0x200 [ 211.186165] syz3 [ 211.191183] run_timer_softirq+0x52/0xb0 [ 211.197655] mems_allowed=0 [ 211.201714] ? rcu_read_lock_sched_held+0x108/0x120 [ 211.240069] __do_softirq+0x30b/0xad8 [ 211.243883] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 211.249027] ? pvclock_read_flags+0x160/0x160 [ 211.253532] ? lapic_next_event+0x5a/0x90 [ 211.257679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.263216] ? check_preemption_disabled+0x48/0x200 [ 211.268227] ? check_preemption_disabled+0x48/0x200 [ 211.273272] ? kvm_clock_read+0x18/0x30 [ 211.277248] ? kvm_sched_clock_read+0x9/0x20 [ 211.281664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.287202] ? check_preemption_disabled+0x48/0x200 [ 211.292257] irq_exit+0x17f/0x1c0 [ 211.295716] smp_apic_timer_interrupt+0x1cb/0x760 [ 211.300559] ? smp_reschedule_interrupt+0x109/0x650 [ 211.305578] ? smp_call_function_single_interrupt+0x650/0x650 [ 211.311464] ? interrupt_entry+0xb5/0xf0 [ 211.315534] ? trace_hardirqs_off_caller+0xbb/0x300 [ 211.320551] ? trace_hardirqs_off_caller+0xbb/0x300 [ 211.325569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.330415] ? trace_hardirqs_off+0x300/0x300 [ 211.334909] ? trace_hardirqs_off+0x300/0x300 [ 211.339407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.344953] ? check_preemption_disabled+0x48/0x200 [ 211.349965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.355510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.360361] apic_timer_interrupt+0xf/0x20 [ 211.364587] [ 211.366841] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 211.371773] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 211.390677] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 211.398399] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 211.405668] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 211.412937] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 211.420225] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 211.427491] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 211.434810] skb_clone+0x1bb/0x500 [ 211.438352] ? finish_task_switch+0x1b5/0x900 [ 211.442848] ? skb_split+0x11e0/0x11e0 [ 211.446737] ? preempt_notifier_register+0x200/0x200 [ 211.451849] ? __switch_to_asm+0x34/0x70 [ 211.455918] ? __switch_to_asm+0x34/0x70 [ 211.459974] ? __switch_to_asm+0x40/0x70 [ 211.464033] ? __switch_to_asm+0x34/0x70 [ 211.468093] ? __switch_to_asm+0x40/0x70 [ 211.472166] ? __switch_to_asm+0x34/0x70 [ 211.476220] ? __switch_to_asm+0x40/0x70 [ 211.480277] ? __switch_to_asm+0x34/0x70 [ 211.484350] ? __switch_to_asm+0x34/0x70 [ 211.488410] ? __switch_to_asm+0x40/0x70 [ 211.492475] ? __switch_to_asm+0x34/0x70 [ 211.496549] bpf_clone_redirect+0xb9/0x490 [ 211.500790] ? __schedule+0x874/0x1ed0 [ 211.504684] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 211.509958] ? __sched_text_start+0x8/0x8 [ 211.514115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.518882] ? find_held_lock+0x36/0x1c0 [ 211.522954] ? lock_acquire+0x1ed/0x520 [ 211.526926] ? bpf_test_run+0x32e/0x5a0 [ 211.530900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.536436] ? check_preemption_disabled+0x48/0x200 [ 211.541460] ? kasan_check_read+0x11/0x20 [ 211.545619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.550896] ? rcu_bh_qs+0xc0/0xc0 [ 211.554438] ? preempt_schedule+0x4d/0x60 [ 211.558603] ? ___preempt_schedule+0x16/0x18 [ 211.563028] ? bpf_test_run+0x1c0/0x5a0 [ 211.567015] ? netlink_diag_dump+0x2a0/0x2a0 [ 211.571428] ? bpf_prog_test_run_skb+0x295/0xb40 [ 211.576198] ? bpf_prog_test_run_skb+0x634/0xb40 [ 211.580961] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.585800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 211.591336] ? fput+0x130/0x1a0 [ 211.594612] ? __bpf_prog_get+0x9b/0x290 [ 211.598675] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.603520] ? bpf_prog_test_run+0x130/0x1a0 [ 211.607936] ? __x64_sys_bpf+0x3d8/0x510 [ 211.611998] ? bpf_prog_get+0x20/0x20 [ 211.615822] ? do_syscall_64+0x1b9/0x820 [ 211.619880] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 211.625257] ? syscall_return_slowpath+0x5e0/0x5e0 [ 211.630199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.635053] ? trace_hardirqs_off+0x300/0x300 [ 211.639551] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 211.644569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.650110] ? prepare_exit_to_usermode+0x291/0x3b0 [ 211.655133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.659985] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 211.665386] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 211.665465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 211.672596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.672602] Call Trace: [ 211.672609] [ 211.672624] dump_stack+0x1c4/0x2b4 [ 211.672645] ? dump_stack_print_info.cold.2+0x52/0x52 [ 211.679205] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.688483] warn_alloc.cold.118+0xb7/0x1bd [ 211.691038] syz-executor3 cpuset= [ 211.693185] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 211.696786] syz3 [ 211.701974] ? lock_downgrade+0x900/0x900 [ 211.712435] mems_allowed=0 [ 211.716752] ? trace_hardirqs_off+0xb8/0x300 [ 211.738427] ? trace_hardirqs_off+0xb8/0x300 [ 211.742850] __alloc_pages_slowpath+0x2667/0x2d80 [ 211.747724] ? warn_alloc+0x120/0x120 [ 211.751528] ? trace_hardirqs_on+0x310/0x310 [ 211.755940] ? warn_alloc+0x120/0x120 [ 211.759773] ? print_usage_bug+0xc0/0xc0 [ 211.763838] ? warn_alloc+0x120/0x120 [ 211.767638] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 211.772661] ? print_usage_bug+0xc0/0xc0 [ 211.776723] ? __lock_acquire+0x7ec/0x4ec0 [ 211.780965] ? __lock_acquire+0x7ec/0x4ec0 [ 211.785227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.790767] ? should_fail+0x22d/0xd01 [ 211.794659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.799765] ? __lock_acquire+0x7ec/0x4ec0 [ 211.804017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.809204] ? __lock_acquire+0x7ec/0x4ec0 [ 211.813443] ? should_fail+0x22d/0xd01 [ 211.817337] ? print_usage_bug+0xc0/0xc0 [ 211.821420] ? mark_held_locks+0x130/0x130 [ 211.825659] ? mark_held_locks+0x130/0x130 [ 211.830069] ? graph_lock+0x170/0x170 [ 211.833873] ? print_usage_bug+0xc0/0xc0 [ 211.837937] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.842700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.848240] ? check_preemption_disabled+0x48/0x200 [ 211.853253] ? check_preemption_disabled+0x48/0x200 [ 211.858281] ? __lock_is_held+0xb5/0x140 [ 211.862348] __alloc_pages_nodemask+0xa80/0xde0 [ 211.867024] ? graph_lock+0x170/0x170 [ 211.870830] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 211.875847] ? graph_lock+0x170/0x170 [ 211.879663] ? find_held_lock+0x36/0x1c0 [ 211.883736] ? ____cache_alloc_node+0x1c7/0x1e0 [ 211.888405] ? lock_downgrade+0x900/0x900 [ 211.892564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.898113] cache_grow_begin+0x91/0x8c0 [ 211.902204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 211.906638] fallback_alloc+0x203/0x2e0 [ 211.910625] ____cache_alloc_node+0x1c7/0x1e0 [ 211.915132] kmem_cache_alloc_node+0xe3/0x730 [ 211.919634] ? ipv6_get_ifaddr+0x42e/0x620 [ 211.923877] __alloc_skb+0x119/0x770 [ 211.927616] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.932903] ? skb_scrub_packet+0x490/0x490 [ 211.937242] ? lock_downgrade+0x900/0x900 [ 211.941417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.946955] ? refcount_sub_and_test_checked+0x203/0x310 [ 211.952416] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 211.957867] ? addrconf_rs_timer+0x6f0/0x6f0 [ 211.962292] ndisc_alloc_skb+0x144/0x340 [ 211.966365] ndisc_send_rs+0x331/0x6e0 [ 211.970260] addrconf_rs_timer+0x3c0/0x6f0 [ 211.974505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.978791] call_timer_fn+0x272/0x920 [ 211.982681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.986943] ? process_timeout+0x40/0x40 [ 211.991041] ? find_held_lock+0x36/0x1c0 [ 211.995115] ? __run_timers+0x7da/0xc70 [ 211.999093] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.003588] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.008093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.012340] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 212.016922] ? trace_hardirqs_on+0xbd/0x310 [ 212.021276] ? kasan_check_read+0x11/0x20 [ 212.025424] ? __run_timers+0x7da/0xc70 [ 212.029399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.034854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.039097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.043335] __run_timers+0x7e5/0xc70 [ 212.047146] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 212.052522] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 212.057543] ? graph_lock+0x170/0x170 [ 212.061349] ? enqueue_hrtimer+0x1a5/0x560 [ 212.065584] ? lock_release+0x970/0x970 [ 212.069560] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 212.074760] ? find_held_lock+0x36/0x1c0 [ 212.078840] ? graph_lock+0x170/0x170 [ 212.082677] ? pvclock_read_flags+0x160/0x160 [ 212.087189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.092731] ? check_preemption_disabled+0x48/0x200 [ 212.097758] ? __lock_is_held+0xb5/0x140 [ 212.101821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.107356] ? check_preemption_disabled+0x48/0x200 [ 212.112381] run_timer_softirq+0x52/0xb0 [ 212.116458] ? rcu_read_lock_sched_held+0x108/0x120 [ 212.121480] __do_softirq+0x30b/0xad8 [ 212.125316] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 212.130425] ? pvclock_read_flags+0x160/0x160 [ 212.134918] ? lapic_next_event+0x5a/0x90 [ 212.139066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.144605] ? check_preemption_disabled+0x48/0x200 [ 212.149620] ? check_preemption_disabled+0x48/0x200 [ 212.154645] ? kvm_clock_read+0x18/0x30 [ 212.158634] ? kvm_sched_clock_read+0x9/0x20 [ 212.163041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.168579] ? check_preemption_disabled+0x48/0x200 [ 212.173608] irq_exit+0x17f/0x1c0 [ 212.177065] smp_apic_timer_interrupt+0x1cb/0x760 [ 212.181910] ? smp_reschedule_interrupt+0x109/0x650 [ 212.186928] ? smp_call_function_single_interrupt+0x650/0x650 [ 212.192813] ? interrupt_entry+0xb5/0xf0 [ 212.196880] ? trace_hardirqs_off_caller+0xbb/0x300 [ 212.201896] ? trace_hardirqs_off_caller+0xbb/0x300 [ 212.206927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.211769] ? trace_hardirqs_off+0x300/0x300 [ 212.216264] ? trace_hardirqs_off+0x300/0x300 [ 212.220762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.226298] ? check_preemption_disabled+0x48/0x200 [ 212.231312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.236861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.241717] apic_timer_interrupt+0xf/0x20 [ 212.245944] [ 212.248187] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 212.253127] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 212.272025] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 212.279737] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 212.287020] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 212.294282] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 212.301553] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 212.308818] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 212.316128] skb_clone+0x1bb/0x500 [ 212.319670] ? finish_task_switch+0x664/0x900 [ 212.324178] ? skb_split+0x11e0/0x11e0 [ 212.328066] ? preempt_notifier_register+0x200/0x200 [ 212.333173] ? __switch_to_asm+0x34/0x70 [ 212.337264] ? __switch_to_asm+0x34/0x70 [ 212.341337] ? __switch_to_asm+0x40/0x70 [ 212.345402] ? __switch_to_asm+0x34/0x70 [ 212.349463] ? __switch_to_asm+0x40/0x70 [ 212.353533] ? __switch_to_asm+0x34/0x70 [ 212.357595] ? __switch_to_asm+0x40/0x70 [ 212.361654] ? __switch_to_asm+0x34/0x70 [ 212.365719] ? __switch_to_asm+0x34/0x70 [ 212.369776] ? __switch_to_asm+0x40/0x70 [ 212.373838] ? __switch_to_asm+0x34/0x70 [ 212.377907] bpf_clone_redirect+0xb9/0x490 [ 212.382142] ? __schedule+0x874/0x1ed0 [ 212.386042] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 212.391071] ? __sched_text_start+0x8/0x8 [ 212.395257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 212.400292] ? find_held_lock+0x36/0x1c0 [ 212.404366] ? lock_acquire+0x1ed/0x520 [ 212.408343] ? bpf_test_run+0x32e/0x5a0 [ 212.412322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.417871] ? check_preemption_disabled+0x48/0x200 [ 212.422897] ? kasan_check_read+0x11/0x20 [ 212.427076] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.432359] ? rcu_bh_qs+0xc0/0xc0 [ 212.435904] ? preempt_schedule+0x4d/0x60 [ 212.440073] ? ___preempt_schedule+0x16/0x18 [ 212.444490] ? bpf_test_run+0x1c0/0x5a0 [ 212.448475] ? netlink_diag_dump+0x2a0/0x2a0 [ 212.452898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.458441] ? bpf_test_init.isra.9+0x70/0x100 [ 212.463041] ? bpf_prog_test_run_skb+0x634/0xb40 [ 212.467805] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 212.472651] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 212.478211] ? fput+0x130/0x1a0 [ 212.481508] ? __bpf_prog_get+0x9b/0x290 [ 212.485571] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 212.490413] ? bpf_prog_test_run+0x130/0x1a0 [ 212.494824] ? __x64_sys_bpf+0x3d8/0x510 [ 212.498899] ? bpf_prog_get+0x20/0x20 [ 212.502711] ? ksys_ioctl+0x81/0xd0 [ 212.506351] ? do_syscall_64+0x1b9/0x820 [ 212.510413] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 212.515782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 212.520717] ? trace_hardirqs_off+0x300/0x300 [ 212.525212] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 212.530244] ? recalc_sigpending_tsk+0x180/0x180 [ 212.535005] ? kasan_check_write+0x14/0x20 [ 212.539271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.544126] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.549507] warn_alloc_show_mem: 1 callbacks suppressed [ 212.549519] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 212.549521] Mem-Info: [ 212.549551] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 212.549551] active_file:17 inactive_file:11 isolated_file:5 [ 212.549551] unevictable:0 dirty:0 writeback:0 unstable:0 [ 212.549551] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 212.549551] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 212.549551] free:13528 free_pcp:440 free_cma:0 [ 212.554903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.562097] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 212.564504] Call Trace: [ 212.597366] Node 0 [ 212.606714] [ 212.634480] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 212.637044] dump_stack+0x1c4/0x2b4 [ 212.639257] lowmem_reserve[]: [ 212.641405] ? dump_stack_print_info.cold.2+0x52/0x52 [ 212.666882] 0 [ 212.670520] warn_alloc.cold.118+0xb7/0x1bd [ 212.673586] 2815 [ 212.678772] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 212.680553] 6318 [ 212.684871] ? lock_downgrade+0x900/0x900 [ 212.686911] 6318 [ 212.691754] ? trace_hardirqs_off+0xb8/0x300 [ 212.697933] ? trace_hardirqs_off+0xb8/0x300 [ 212.699975] Node 0 [ 212.704381] __alloc_pages_slowpath+0x2667/0x2d80 [ 212.708801] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 212.711038] ? warn_alloc+0x120/0x120 [ 212.715834] lowmem_reserve[]: 0 [ 212.742997] ? trace_hardirqs_on+0x310/0x310 [ 212.746784] 0 [ 212.750058] ? warn_alloc+0x120/0x120 [ 212.754442] 3503 [ 212.756247] ? print_usage_bug+0xc0/0xc0 [ 212.760024] 3503 [ 212.762077] ? warn_alloc+0x120/0x120 [ 212.768181] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 212.771956] Node 0 [ 212.776975] ? print_usage_bug+0xc0/0xc0 [ 212.777024] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 212.777032] lowmem_reserve[]: [ 212.779264] ? __lock_acquire+0x7ec/0x4ec0 [ 212.783304] 0 [ 212.811758] ? __lock_acquire+0x7ec/0x4ec0 [ 212.814844] 0 [ 212.819079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.820858] 0 [ 212.825089] ? should_fail+0x22d/0xd01 [ 212.826868] 0 [ 212.832401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.838073] ? __lock_acquire+0x7ec/0x4ec0 [ 212.839852] Node 0 [ 212.844955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.849169] DMA: [ 212.851403] ? __lock_acquire+0x7ec/0x4ec0 [ 212.856484] 1*4kB [ 212.858546] ? should_fail+0x22d/0xd01 [ 212.862752] (U) 0*8kB [ 212.864912] ? print_usage_bug+0xc0/0xc0 [ 212.868775] 0*16kB [ 212.871272] ? mark_held_locks+0x130/0x130 [ 212.875309] 1*32kB [ 212.877541] ? mark_held_locks+0x130/0x130 [ 212.881751] (U) [ 212.883990] ? graph_lock+0x170/0x170 [ 212.888201] 2*64kB [ 212.890175] ? print_usage_bug+0xc0/0xc0 [ 212.893949] (U) [ 212.896186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 212.900228] 1*128kB [ 212.902195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.906926] (U) [ 212.909248] ? check_preemption_disabled+0x48/0x200 [ 212.914765] 1*256kB [ 212.916737] ? check_preemption_disabled+0x48/0x200 [ 212.921734] (U) [ 212.924059] ? __lock_is_held+0xb5/0x140 [ 212.929046] 0*512kB [ 212.931024] __alloc_pages_nodemask+0xa80/0xde0 [ 212.935058] 1*1024kB [ 212.937376] ? graph_lock+0x170/0x170 [ 212.942026] (U) 1*2048kB [ 212.944442] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.948209] (M) 3*4096kB [ 212.950969] ? graph_lock+0x170/0x170 [ 212.955960] (M) [ 212.958718] ? find_held_lock+0x36/0x1c0 [ 212.962490] = 15908kB [ 212.964469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 212.968526] Node 0 [ 212.970934] ? lock_downgrade+0x900/0x900 [ 212.975570] DMA32: 4*4kB [ 212.977817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.981939] (UM) [ 212.984696] cache_grow_begin+0x91/0x8c0 [ 212.990217] 3*8kB [ 212.992274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.996310] (UM) [ 212.998460] fallback_alloc+0x203/0x2e0 [ 213.002843] 1*16kB [ 213.004901] ____cache_alloc_node+0x1c7/0x1e0 [ 213.008847] (M) 2*32kB [ 213.011096] kmem_cache_alloc_node+0xe3/0x730 [ 213.015567] (UM) [ 213.018151] ? ipv6_get_ifaddr+0x42e/0x620 [ 213.022624] 3*64kB [ 213.024686] __alloc_skb+0x119/0x770 [ 213.028889] (UM) [ 213.031123] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.034820] 4*128kB [ 213.036876] ? skb_scrub_packet+0x490/0x490 [ 213.042129] (UM) [ 213.044446] ? lock_downgrade+0x900/0x900 [ 213.048740] 2*256kB (M) [ 213.050811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.055273] 4*512kB (UM) [ 213.057955] ? refcount_sub_and_test_checked+0x203/0x310 [ 213.063471] 3*1024kB [ 213.066225] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 213.071652] (M) 1*2048kB [ 213.074083] ? addrconf_rs_timer+0x6f0/0x6f0 [ 213.079499] (M) 4*4096kB (M) [ 213.082279] ndisc_alloc_skb+0x144/0x340 [ 213.086663] = 24888kB [ 213.089768] ndisc_send_rs+0x331/0x6e0 [ 213.093805] Node 0 [ 213.096215] addrconf_rs_timer+0x3c0/0x6f0 [ 213.100084] Normal: [ 213.102322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.106532] 1035*4kB [ 213.108858] call_timer_fn+0x272/0x920 [ 213.113064] (MEH) [ 213.115469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.119352] 457*8kB (UMEH) [ 213.121547] ? process_timeout+0x40/0x40 [ 213.125760] 163*16kB [ 213.128689] ? find_held_lock+0x36/0x1c0 [ 213.132732] (MEH) [ 213.135156] ? __run_timers+0x7da/0xc70 [ 213.139189] 58*32kB [ 213.141337] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.145284] (UMEH) [ 213.147602] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.152073] 13*64kB [ 213.154305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.158775] (UMH) [ 213.161092] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 213.165301] 2*128kB (H) [ 213.167456] ? trace_hardirqs_on+0xbd/0x310 [ 213.172018] 0*256kB [ 213.174680] ? kasan_check_read+0x11/0x20 [ 213.178981] 0*512kB [ 213.181304] ? __run_timers+0x7da/0xc70 [ 213.185428] 0*1024kB [ 213.187746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.191698] 0*2048kB [ 213.194123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.199549] 0*4096kB = 13348kB [ 213.201989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.206227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.209418] __run_timers+0x7e5/0xc70 [ 213.213643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.222508] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.226272] 412 total pagecache pages [ 213.234843] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 213.240189] 0 pages in swap cache [ 213.243985] ? graph_lock+0x170/0x170 [ 213.248985] Swap cache stats: add 0, delete 0, find 0/0 [ 213.248995] Free swap = 0kB [ 213.252451] ? enqueue_hrtimer+0x1a5/0x560 [ 213.256230] Total swap = 0kB [ 213.256239] 1965979 pages RAM [ 213.261599] ? lock_release+0x970/0x970 [ 213.264588] 0 pages HighMem/MovableOnly [ 213.264598] 343323 pages reserved [ 213.268825] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 213.271823] 0 pages cma reserved [ 213.274929] ? find_held_lock+0x36/0x1c0 [ 213.278938] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.282847] ? graph_lock+0x170/0x170 [ 213.286334] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.291464] ? pvclock_read_flags+0x160/0x160 [ 213.294813] syz-executor3 cpuset= [ 213.298873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.305343] syz3 [ 213.309146] ? check_preemption_disabled+0x48/0x200 [ 213.319609] mems_allowed=0 [ 213.324104] ? __lock_is_held+0xb5/0x140 [ 213.346990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.352538] ? check_preemption_disabled+0x48/0x200 [ 213.357567] run_timer_softirq+0x52/0xb0 [ 213.361630] ? rcu_read_lock_sched_held+0x108/0x120 [ 213.366652] __do_softirq+0x30b/0xad8 [ 213.370474] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 213.375588] ? pvclock_read_flags+0x160/0x160 [ 213.380084] ? lapic_next_event+0x5a/0x90 [ 213.384235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.389783] ? check_preemption_disabled+0x48/0x200 [ 213.394796] ? check_preemption_disabled+0x48/0x200 [ 213.399820] ? kvm_clock_read+0x18/0x30 [ 213.403805] ? kvm_sched_clock_read+0x9/0x20 [ 213.408214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.413765] ? check_preemption_disabled+0x48/0x200 [ 213.418795] irq_exit+0x17f/0x1c0 [ 213.422249] smp_apic_timer_interrupt+0x1cb/0x760 [ 213.427092] ? smp_reschedule_interrupt+0x109/0x650 [ 213.432116] ? smp_call_function_single_interrupt+0x650/0x650 [ 213.438015] ? interrupt_entry+0xb5/0xf0 [ 213.442076] ? trace_hardirqs_off_caller+0xbb/0x300 [ 213.447086] ? trace_hardirqs_off_caller+0xbb/0x300 [ 213.452103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.456945] ? trace_hardirqs_off+0x300/0x300 [ 213.461440] ? trace_hardirqs_off+0x300/0x300 [ 213.465936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.471508] ? check_preemption_disabled+0x48/0x200 [ 213.476529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.482084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.486938] apic_timer_interrupt+0xf/0x20 [ 213.491169] [ 213.493409] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 213.498344] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 213.517427] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 213.525132] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 213.532394] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 213.539659] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 213.546928] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 213.554192] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 213.561510] skb_clone+0x1bb/0x500 [ 213.565048] ? finish_task_switch+0x1b5/0x900 [ 213.569543] ? skb_split+0x11e0/0x11e0 [ 213.573432] ? preempt_notifier_register+0x200/0x200 [ 213.578533] ? __switch_to_asm+0x34/0x70 [ 213.582596] ? __switch_to_asm+0x34/0x70 [ 213.586661] ? __switch_to_asm+0x40/0x70 [ 213.590721] ? __switch_to_asm+0x34/0x70 [ 213.594782] ? __switch_to_asm+0x40/0x70 [ 213.598856] ? __switch_to_asm+0x34/0x70 [ 213.602911] ? __switch_to_asm+0x40/0x70 [ 213.606969] ? __switch_to_asm+0x34/0x70 [ 213.611030] ? __switch_to_asm+0x34/0x70 [ 213.615089] ? __switch_to_asm+0x40/0x70 [ 213.619144] ? __switch_to_asm+0x34/0x70 [ 213.623224] bpf_clone_redirect+0xb9/0x490 [ 213.627468] ? __schedule+0x874/0x1ed0 [ 213.631367] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 213.636387] ? __sched_text_start+0x8/0x8 [ 213.640546] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.645331] ? find_held_lock+0x36/0x1c0 [ 213.649398] ? lock_acquire+0x1ed/0x520 [ 213.653369] ? bpf_test_run+0x32e/0x5a0 [ 213.657345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.662889] ? check_preemption_disabled+0x48/0x200 [ 213.667911] ? kasan_check_read+0x11/0x20 [ 213.672062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.677341] ? rcu_bh_qs+0xc0/0xc0 [ 213.680882] ? preempt_schedule+0x4d/0x60 [ 213.685036] ? ___preempt_schedule+0x16/0x18 [ 213.689453] ? bpf_test_run+0x1c0/0x5a0 [ 213.693444] ? netlink_diag_dump+0x2a0/0x2a0 [ 213.697858] ? bpf_prog_test_run_skb+0x295/0xb40 [ 213.702623] ? bpf_prog_test_run_skb+0x634/0xb40 [ 213.707397] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.712238] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 213.717778] ? fput+0x130/0x1a0 [ 213.721067] ? __bpf_prog_get+0x9b/0x290 [ 213.725137] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.729980] ? bpf_prog_test_run+0x130/0x1a0 [ 213.734394] ? __x64_sys_bpf+0x3d8/0x510 [ 213.738454] ? bpf_prog_get+0x20/0x20 [ 213.742275] ? do_syscall_64+0x1b9/0x820 [ 213.746338] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 213.751708] ? syscall_return_slowpath+0x5e0/0x5e0 [ 213.756640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.761490] ? trace_hardirqs_off+0x300/0x300 [ 213.766006] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 213.771033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.776581] ? prepare_exit_to_usermode+0x291/0x3b0 [ 213.781603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.786479] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.791980] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 213.792056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.799189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.799194] Call Trace: [ 213.799202] [ 213.799217] dump_stack+0x1c4/0x2b4 [ 213.799244] ? dump_stack_print_info.cold.2+0x52/0x52 [ 213.805775] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.815089] warn_alloc.cold.118+0xb7/0x1bd [ 213.817647] syz-executor3 cpuset= [ 213.819794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 213.823401] syz3 [ 213.828587] ? lock_downgrade+0x900/0x900 [ 213.839061] mems_allowed=0 [ 213.860664] ? trace_hardirqs_off+0xb8/0x300 [ 213.865077] ? trace_hardirqs_off+0xb8/0x300 [ 213.869508] __alloc_pages_slowpath+0x2667/0x2d80 [ 213.874386] ? warn_alloc+0x120/0x120 [ 213.878197] ? warn_alloc+0x120/0x120 [ 213.882010] ? print_usage_bug+0xc0/0xc0 [ 213.886067] ? warn_alloc+0x120/0x120 [ 213.889872] ? print_usage_bug+0xc0/0xc0 [ 213.893941] ? __lock_acquire+0x7ec/0x4ec0 [ 213.898182] ? __lock_acquire+0x7ec/0x4ec0 [ 213.902415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.907951] ? should_fail+0x22d/0xd01 [ 213.911845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.916957] ? __lock_acquire+0x7ec/0x4ec0 [ 213.921198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.926304] ? __lock_acquire+0x7ec/0x4ec0 [ 213.930536] ? should_fail+0x22d/0xd01 [ 213.934437] ? mark_held_locks+0x130/0x130 [ 213.938677] ? mark_held_locks+0x130/0x130 [ 213.942916] ? graph_lock+0x170/0x170 [ 213.946715] ? graph_lock+0x170/0x170 [ 213.950534] ? graph_lock+0x170/0x170 [ 213.954338] ? print_usage_bug+0xc0/0xc0 [ 213.958398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.963933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.969497] ? check_preemption_disabled+0x48/0x200 [ 213.974553] ? check_preemption_disabled+0x48/0x200 [ 213.979579] ? __lock_is_held+0xb5/0x140 [ 213.983651] __alloc_pages_nodemask+0xa80/0xde0 [ 213.988323] ? graph_lock+0x170/0x170 [ 213.992132] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 213.997145] ? graph_lock+0x170/0x170 [ 214.000956] ? find_held_lock+0x36/0x1c0 [ 214.005039] ? ____cache_alloc_node+0x1c7/0x1e0 [ 214.009709] ? lock_downgrade+0x900/0x900 [ 214.013865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.019409] cache_grow_begin+0x91/0x8c0 [ 214.023473] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.027892] fallback_alloc+0x203/0x2e0 [ 214.031877] ____cache_alloc_node+0x1c7/0x1e0 [ 214.036399] kmem_cache_alloc_node+0xe3/0x730 [ 214.040911] ? ipv6_get_ifaddr+0x42e/0x620 [ 214.045156] __alloc_skb+0x119/0x770 [ 214.048872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 214.054155] ? skb_scrub_packet+0x490/0x490 [ 214.058489] ? lock_downgrade+0x900/0x900 [ 214.062676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.068214] ? refcount_sub_and_test_checked+0x203/0x310 [ 214.073679] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 214.079144] ? addrconf_rs_timer+0x6f0/0x6f0 [ 214.083573] ndisc_alloc_skb+0x144/0x340 [ 214.087641] ndisc_send_rs+0x331/0x6e0 [ 214.091535] addrconf_rs_timer+0x3c0/0x6f0 [ 214.095782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.100033] call_timer_fn+0x272/0x920 [ 214.103919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.108172] ? process_timeout+0x40/0x40 [ 214.112246] ? find_held_lock+0x36/0x1c0 [ 214.116320] ? __run_timers+0x7da/0xc70 [ 214.120297] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.124790] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.129307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.133550] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 214.138168] ? trace_hardirqs_on+0xbd/0x310 [ 214.142516] ? kasan_check_read+0x11/0x20 [ 214.146680] ? __run_timers+0x7da/0xc70 [ 214.150659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.156113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.160367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 214.164602] __run_timers+0x7e5/0xc70 [ 214.168417] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 214.173782] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 214.178809] ? graph_lock+0x170/0x170 [ 214.182612] ? enqueue_hrtimer+0x1a5/0x560 [ 214.186856] ? lock_release+0x970/0x970 [ 214.190830] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 214.196030] ? find_held_lock+0x36/0x1c0 [ 214.200111] ? graph_lock+0x170/0x170 [ 214.203944] ? pvclock_read_flags+0x160/0x160 [ 214.208455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.213995] ? check_preemption_disabled+0x48/0x200 [ 214.219047] ? __lock_is_held+0xb5/0x140 [ 214.223106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.228640] ? check_preemption_disabled+0x48/0x200 [ 214.233678] run_timer_softirq+0x52/0xb0 [ 214.237753] ? rcu_read_lock_sched_held+0x108/0x120 [ 214.242774] __do_softirq+0x30b/0xad8 [ 214.246590] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 214.251710] ? pvclock_read_flags+0x160/0x160 [ 214.256243] ? lapic_next_event+0x5a/0x90 [ 214.260394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.265947] ? check_preemption_disabled+0x48/0x200 [ 214.270958] ? check_preemption_disabled+0x48/0x200 [ 214.275983] ? kvm_clock_read+0x18/0x30 [ 214.279959] ? kvm_sched_clock_read+0x9/0x20 [ 214.284375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.289914] ? check_preemption_disabled+0x48/0x200 [ 214.294967] irq_exit+0x17f/0x1c0 [ 214.298437] smp_apic_timer_interrupt+0x1cb/0x760 [ 214.303289] ? smp_reschedule_interrupt+0x109/0x650 [ 214.308307] ? smp_call_function_single_interrupt+0x650/0x650 [ 214.314190] ? interrupt_entry+0xb5/0xf0 [ 214.318263] ? trace_hardirqs_off_caller+0xbb/0x300 [ 214.323280] ? trace_hardirqs_off_caller+0xbb/0x300 [ 214.328299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.333141] ? trace_hardirqs_off+0x300/0x300 [ 214.337643] ? trace_hardirqs_off+0x300/0x300 [ 214.342137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.347671] ? check_preemption_disabled+0x48/0x200 [ 214.352700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.358252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.363105] apic_timer_interrupt+0xf/0x20 [ 214.367334] [ 214.369574] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 214.374508] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 214.393405] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 214.401383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 214.408653] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 214.415934] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 214.423196] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 214.430480] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 214.437836] skb_clone+0x1bb/0x500 [ 214.441391] ? finish_task_switch+0x664/0x900 [ 214.445883] ? skb_split+0x11e0/0x11e0 [ 214.449781] ? preempt_notifier_register+0x200/0x200 [ 214.454888] ? __switch_to_asm+0x34/0x70 [ 214.458948] ? __switch_to_asm+0x34/0x70 [ 214.463013] ? __switch_to_asm+0x40/0x70 [ 214.467070] ? __switch_to_asm+0x34/0x70 [ 214.471125] ? __switch_to_asm+0x40/0x70 [ 214.475181] ? __switch_to_asm+0x34/0x70 [ 214.479254] ? __switch_to_asm+0x40/0x70 [ 214.483327] ? __switch_to_asm+0x34/0x70 [ 214.487412] ? __switch_to_asm+0x34/0x70 [ 214.491469] ? __switch_to_asm+0x40/0x70 [ 214.495527] ? __switch_to_asm+0x34/0x70 [ 214.499608] bpf_clone_redirect+0xb9/0x490 [ 214.503856] ? __schedule+0x874/0x1ed0 [ 214.507757] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 214.512776] ? __sched_text_start+0x8/0x8 [ 214.516926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 214.521707] ? find_held_lock+0x36/0x1c0 [ 214.525779] ? lock_acquire+0x1ed/0x520 [ 214.529766] ? bpf_test_run+0x32e/0x5a0 [ 214.533745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.539282] ? check_preemption_disabled+0x48/0x200 [ 214.544301] ? kasan_check_read+0x11/0x20 [ 214.548451] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 214.553732] ? rcu_bh_qs+0xc0/0xc0 [ 214.557278] ? preempt_schedule+0x4d/0x60 [ 214.561442] ? ___preempt_schedule+0x16/0x18 [ 214.565871] ? bpf_test_run+0x1c0/0x5a0 [ 214.569869] ? netlink_diag_dump+0x2a0/0x2a0 [ 214.574286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.579823] ? bpf_test_init.isra.9+0x70/0x100 [ 214.584411] ? bpf_prog_test_run_skb+0x634/0xb40 [ 214.589174] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 214.594040] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 214.599572] ? fput+0x130/0x1a0 [ 214.602854] ? __bpf_prog_get+0x9b/0x290 [ 214.606917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 214.611756] ? bpf_prog_test_run+0x130/0x1a0 [ 214.616164] ? __x64_sys_bpf+0x3d8/0x510 [ 214.620244] ? bpf_prog_get+0x20/0x20 [ 214.624052] ? ksys_ioctl+0x81/0xd0 [ 214.627688] ? do_syscall_64+0x1b9/0x820 [ 214.631752] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 214.637120] ? syscall_return_slowpath+0x5e0/0x5e0 [ 214.642053] ? trace_hardirqs_off+0x300/0x300 [ 214.646550] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 214.651580] ? recalc_sigpending_tsk+0x180/0x180 [ 214.656334] ? kasan_check_write+0x14/0x20 [ 214.660575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.665427] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.670818] warn_alloc_show_mem: 1 callbacks suppressed [ 214.670830] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 214.670832] Mem-Info: [ 214.670865] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 214.670865] active_file:17 inactive_file:11 isolated_file:5 [ 214.670865] unevictable:0 dirty:0 writeback:0 unstable:0 [ 214.670865] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 214.670865] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 214.670865] free:13528 free_pcp:440 free_cma:0 [ 214.676210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.676219] Call Trace: [ 214.683433] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 214.685831] [ 214.718696] Node 0 [ 214.728049] dump_stack+0x1c4/0x2b4 [ 214.730637] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 214.758382] ? dump_stack_print_info.cold.2+0x52/0x52 [ 214.760503] lowmem_reserve[]: 0 [ 214.762759] warn_alloc.cold.118+0xb7/0x1bd [ 214.766352] 2815 [ 214.791859] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 214.797028] 6318 [ 214.800303] ? lock_downgrade+0x900/0x900 [ 214.804614] 6318 [ 214.806676] ? trace_hardirqs_off+0xb8/0x300 [ 214.813561] ? trace_hardirqs_off+0xb8/0x300 [ 214.817683] Node 0 [ 214.819746] __alloc_pages_slowpath+0x2667/0x2d80 [ 214.824149] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 214.828556] ? warn_alloc+0x120/0x120 [ 214.830742] lowmem_reserve[]: 0 [ 214.835593] ? warn_alloc+0x120/0x120 [ 214.862714] 0 3503 [ 214.866527] ? print_usage_bug+0xc0/0xc0 [ 214.869780] 3503 [ 214.873576] ? warn_alloc+0x120/0x120 [ 214.879851] ? print_usage_bug+0xc0/0xc0 [ 214.881892] Node 0 [ 214.885690] ? __lock_acquire+0x7ec/0x4ec0 [ 214.889865] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 214.892076] ? __lock_acquire+0x7ec/0x4ec0 [ 214.896280] lowmem_reserve[]: 0 [ 214.924742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.928954] 0 [ 214.932231] ? should_fail+0x22d/0xd01 [ 214.937748] 0 [ 214.939548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.943411] 0 [ 214.945208] ? __lock_acquire+0x7ec/0x4ec0 [ 214.952102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.956313] Node 0 [ 214.961405] ? __lock_acquire+0x7ec/0x4ec0 [ 214.961415] DMA: [ 214.963654] ? should_fail+0x22d/0xd01 [ 214.967866] 1*4kB [ 214.969958] ? mark_held_locks+0x130/0x130 [ 214.973816] (U) [ 214.975962] ? mark_held_locks+0x130/0x130 [ 214.980169] 0*8kB 0*16kB [ 214.982149] ? graph_lock+0x170/0x170 [ 214.986364] 1*32kB [ 214.989134] ? graph_lock+0x170/0x170 [ 214.992912] (U) [ 214.995143] ? graph_lock+0x170/0x170 [ 214.998924] 2*64kB [ 215.000893] ? print_usage_bug+0xc0/0xc0 [ 215.004672] (U) [ 215.006905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.010943] 1*128kB [ 215.012944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.018449] (U) 1*256kB [ 215.020779] ? check_preemption_disabled+0x48/0x200 [ 215.026297] (U) [ 215.028975] ? check_preemption_disabled+0x48/0x200 [ 215.033964] 0*512kB 1*1024kB [ 215.035954] ? __lock_is_held+0xb5/0x140 [ 215.040936] (U) 1*2048kB [ 215.044052] __alloc_pages_nodemask+0xa80/0xde0 [ 215.048079] (M) 3*4096kB [ 215.050842] ? graph_lock+0x170/0x170 [ 215.055480] (M) = 15908kB [ 215.058248] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 215.062043] Node 0 [ 215.064795] ? graph_lock+0x170/0x170 [ 215.069790] DMA32: [ 215.072027] ? find_held_lock+0x36/0x1c0 [ 215.075799] 4*4kB [ 215.078039] ? ____cache_alloc_node+0x1c7/0x1e0 [ 215.082071] (UM) [ 215.084219] ? lock_downgrade+0x900/0x900 [ 215.088867] 3*8kB (UM) [ 215.090943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.095068] 1*16kB [ 215.097646] cache_grow_begin+0x91/0x8c0 [ 215.103160] (M) [ 215.105391] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.109426] 2*32kB [ 215.111409] fallback_alloc+0x203/0x2e0 [ 215.115783] (UM) 3*64kB [ 215.118031] ____cache_alloc_node+0x1c7/0x1e0 [ 215.121980] (UM) [ 215.124659] kmem_cache_alloc_node+0xe3/0x730 [ 215.129128] 4*128kB [ 215.131190] ? ipv6_get_ifaddr+0x42e/0x620 [ 215.135657] (UM) [ 215.137981] __alloc_skb+0x119/0x770 [ 215.142200] 2*256kB [ 215.144289] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.147994] (M) [ 215.150330] ? skb_scrub_packet+0x490/0x490 [ 215.155585] 4*512kB [ 215.157583] ? lock_downgrade+0x900/0x900 [ 215.161906] (UM) [ 215.164226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.168354] 3*1024kB [ 215.170419] ? refcount_sub_and_test_checked+0x203/0x310 [ 215.175922] (M) 1*2048kB [ 215.178368] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 215.183794] (M) [ 215.186549] ? addrconf_rs_timer+0x6f0/0x6f0 [ 215.191988] 4*4096kB [ 215.193966] ndisc_alloc_skb+0x144/0x340 [ 215.198354] (M) [ 215.200788] ndisc_send_rs+0x331/0x6e0 [ 215.204828] = 24888kB [ 215.206805] addrconf_rs_timer+0x3c0/0x6f0 [ 215.210668] Node 0 [ 215.213072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.217285] Normal: [ 215.219530] call_timer_fn+0x272/0x920 [ 215.223735] 1035*4kB [ 215.226058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.229925] (MEH) [ 215.232347] ? process_timeout+0x40/0x40 [ 215.236559] 457*8kB [ 215.238701] ? find_held_lock+0x36/0x1c0 [ 215.242734] (UMEH) 163*16kB [ 215.245076] ? __run_timers+0x7da/0xc70 [ 215.249103] (MEH) 58*32kB [ 215.252129] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.256073] (UMEH) 13*64kB [ 215.258924] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.263397] (UMH) [ 215.266337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.270806] 2*128kB [ 215.272955] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 215.277163] (H) [ 215.279486] ? trace_hardirqs_on+0xbd/0x310 [ 215.284044] 0*256kB [ 215.286020] ? kasan_check_read+0x11/0x20 [ 215.290333] 0*512kB [ 215.292651] ? __run_timers+0x7da/0xc70 [ 215.296776] 0*1024kB [ 215.299092] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 215.303045] 0*2048kB [ 215.305450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.310878] 0*4096kB [ 215.313310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.317521] = 13348kB [ 215.317536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 215.319983] __run_timers+0x7e5/0xc70 [ 215.324209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 215.326619] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 215.335421] 412 total pagecache pages [ 215.339219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 215.347781] 0 pages in swap cache [ 215.353131] ? graph_lock+0x170/0x170 [ 215.356908] Swap cache stats: add 0, delete 0, find 0/0 [ 215.356918] Free swap = 0kB [ 215.361929] ? enqueue_hrtimer+0x1a5/0x560 [ 215.365362] Total swap = 0kB [ 215.369151] ? lock_release+0x970/0x970 [ 215.369168] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 215.374515] 1965979 pages RAM [ 215.377534] ? find_held_lock+0x36/0x1c0 [ 215.381738] 0 pages HighMem/MovableOnly [ 215.381748] 343323 pages reserved [ 215.384760] ? graph_lock+0x170/0x170 [ 215.388715] 0 pages cma reserved [ 215.393900] ? pvclock_read_flags+0x160/0x160 [ 215.397070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 215.401038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.401052] ? check_preemption_disabled+0x48/0x200 [ 215.401078] ? __lock_is_held+0xb5/0x140 [ 215.405086] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.408477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.412256] syz-executor3 cpuset= [ 215.415630] ? check_preemption_disabled+0x48/0x200 [ 215.420103] syz3 [ 215.426591] run_timer_softirq+0x52/0xb0 [ 215.432101] mems_allowed=0 [ 215.437206] ? rcu_read_lock_sched_held+0x108/0x120 [ 215.479605] __do_softirq+0x30b/0xad8 [ 215.483421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 215.488539] ? pvclock_read_flags+0x160/0x160 [ 215.493033] ? lapic_next_event+0x5a/0x90 [ 215.497187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.502724] ? check_preemption_disabled+0x48/0x200 [ 215.507981] ? check_preemption_disabled+0x48/0x200 [ 215.513009] ? kvm_clock_read+0x18/0x30 [ 215.516988] ? kvm_sched_clock_read+0x9/0x20 [ 215.521413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.526948] ? check_preemption_disabled+0x48/0x200 [ 215.531988] irq_exit+0x17f/0x1c0 [ 215.535447] smp_apic_timer_interrupt+0x1cb/0x760 [ 215.540295] ? smp_reschedule_interrupt+0x109/0x650 [ 215.545318] ? smp_call_function_single_interrupt+0x650/0x650 [ 215.551203] ? interrupt_entry+0xb5/0xf0 [ 215.555275] ? trace_hardirqs_off_caller+0xbb/0x300 [ 215.560293] ? trace_hardirqs_off_caller+0xbb/0x300 [ 215.565311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.570162] ? trace_hardirqs_off+0x300/0x300 [ 215.574661] ? trace_hardirqs_off+0x300/0x300 [ 215.579160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.584696] ? check_preemption_disabled+0x48/0x200 [ 215.589714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.595261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.600116] apic_timer_interrupt+0xf/0x20 [ 215.604353] [ 215.606598] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 215.611535] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 215.630447] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 215.638169] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 215.645457] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 215.652741] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 215.660006] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 215.667272] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 215.674588] skb_clone+0x1bb/0x500 [ 215.678130] ? finish_task_switch+0x1b5/0x900 [ 215.682626] ? skb_split+0x11e0/0x11e0 [ 215.686523] ? preempt_notifier_register+0x200/0x200 [ 215.691629] ? __switch_to_asm+0x34/0x70 [ 215.695694] ? __switch_to_asm+0x34/0x70 [ 215.699754] ? __switch_to_asm+0x40/0x70 [ 215.703811] ? __switch_to_asm+0x34/0x70 [ 215.707868] ? __switch_to_asm+0x40/0x70 [ 215.711925] ? __switch_to_asm+0x34/0x70 [ 215.715985] ? __switch_to_asm+0x40/0x70 [ 215.720047] ? __switch_to_asm+0x34/0x70 [ 215.724166] ? __switch_to_asm+0x34/0x70 [ 215.728234] ? __switch_to_asm+0x40/0x70 [ 215.732325] ? __switch_to_asm+0x34/0x70 [ 215.736397] bpf_clone_redirect+0xb9/0x490 [ 215.740636] ? __schedule+0x874/0x1ed0 [ 215.744544] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 215.749565] ? __sched_text_start+0x8/0x8 [ 215.753720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.758485] ? find_held_lock+0x36/0x1c0 [ 215.762558] ? lock_acquire+0x1ed/0x520 [ 215.766552] ? bpf_test_run+0x32e/0x5a0 [ 215.770533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.776072] ? check_preemption_disabled+0x48/0x200 [ 215.781102] ? kasan_check_read+0x11/0x20 [ 215.785266] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.790555] ? rcu_bh_qs+0xc0/0xc0 [ 215.794098] ? preempt_schedule+0x4d/0x60 [ 215.798250] ? ___preempt_schedule+0x16/0x18 [ 215.802703] ? bpf_test_run+0x1c0/0x5a0 [ 215.806694] ? netlink_diag_dump+0x2a0/0x2a0 [ 215.811118] ? bpf_prog_test_run_skb+0x295/0xb40 [ 215.815888] ? bpf_prog_test_run_skb+0x634/0xb40 [ 215.820663] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.825509] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.831043] ? fput+0x130/0x1a0 [ 215.834323] ? __bpf_prog_get+0x9b/0x290 [ 215.838394] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.843240] ? bpf_prog_test_run+0x130/0x1a0 [ 215.847658] ? __x64_sys_bpf+0x3d8/0x510 [ 215.851718] ? bpf_prog_get+0x20/0x20 [ 215.855567] ? do_syscall_64+0x1b9/0x820 [ 215.859636] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 215.865023] ? syscall_return_slowpath+0x5e0/0x5e0 [ 215.869952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.874796] ? trace_hardirqs_off+0x300/0x300 [ 215.879293] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 215.884309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.889845] ? prepare_exit_to_usermode+0x291/0x3b0 [ 215.894867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.899724] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.905109] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 215.905181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 215.912309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.912315] Call Trace: [ 215.912322] [ 215.912338] dump_stack+0x1c4/0x2b4 [ 215.912359] ? dump_stack_print_info.cold.2+0x52/0x52 [ 215.918924] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.928202] warn_alloc.cold.118+0xb7/0x1bd [ 215.930757] syz-executor3 cpuset= [ 215.932902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.936527] syz3 [ 215.941714] ? lock_downgrade+0x900/0x900 [ 215.952175] mems_allowed=0 [ 215.956507] ? trace_hardirqs_off+0xb8/0x300 [ 215.978193] ? trace_hardirqs_off+0xb8/0x300 [ 215.982617] __alloc_pages_slowpath+0x2667/0x2d80 [ 215.987500] ? warn_alloc+0x120/0x120 [ 215.991309] ? warn_alloc+0x120/0x120 [ 215.995112] ? print_usage_bug+0xc0/0xc0 [ 215.999172] ? warn_alloc+0x120/0x120 [ 216.002974] ? print_usage_bug+0xc0/0xc0 [ 216.007044] ? __lock_acquire+0x7ec/0x4ec0 [ 216.011303] ? __lock_acquire+0x7ec/0x4ec0 [ 216.015540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.021081] ? should_fail+0x22d/0xd01 [ 216.024984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.030091] ? __lock_acquire+0x7ec/0x4ec0 [ 216.034332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.039435] ? __lock_acquire+0x7ec/0x4ec0 [ 216.043667] ? should_fail+0x22d/0xd01 [ 216.047566] ? mark_held_locks+0x130/0x130 [ 216.051808] ? mark_held_locks+0x130/0x130 [ 216.056054] ? graph_lock+0x170/0x170 [ 216.059856] ? graph_lock+0x170/0x170 [ 216.063658] ? graph_lock+0x170/0x170 [ 216.067455] ? print_usage_bug+0xc0/0xc0 [ 216.071518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.077069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.082606] ? check_preemption_disabled+0x48/0x200 [ 216.087622] ? check_preemption_disabled+0x48/0x200 [ 216.092659] ? __lock_is_held+0xb5/0x140 [ 216.096726] __alloc_pages_nodemask+0xa80/0xde0 [ 216.101423] ? graph_lock+0x170/0x170 [ 216.105241] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.110255] ? graph_lock+0x170/0x170 [ 216.114070] ? find_held_lock+0x36/0x1c0 [ 216.118156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.122824] ? lock_downgrade+0x900/0x900 [ 216.126990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.132564] cache_grow_begin+0x91/0x8c0 [ 216.136634] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.141048] fallback_alloc+0x203/0x2e0 [ 216.145036] ____cache_alloc_node+0x1c7/0x1e0 [ 216.149543] kmem_cache_alloc_node+0xe3/0x730 [ 216.154039] ? ipv6_get_ifaddr+0x42e/0x620 [ 216.158285] __alloc_skb+0x119/0x770 [ 216.162015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.167298] ? skb_scrub_packet+0x490/0x490 [ 216.171621] ? lock_downgrade+0x900/0x900 [ 216.175776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.181315] ? refcount_sub_and_test_checked+0x203/0x310 [ 216.186769] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 216.192240] ? addrconf_rs_timer+0x6f0/0x6f0 [ 216.196689] ndisc_alloc_skb+0x144/0x340 [ 216.200756] ndisc_send_rs+0x331/0x6e0 [ 216.204655] addrconf_rs_timer+0x3c0/0x6f0 [ 216.208897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.213150] call_timer_fn+0x272/0x920 [ 216.217043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.221278] ? process_timeout+0x40/0x40 [ 216.225344] ? find_held_lock+0x36/0x1c0 [ 216.229416] ? __run_timers+0x7da/0xc70 [ 216.233392] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.237891] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.242389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.246622] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 216.251206] ? trace_hardirqs_on+0xbd/0x310 [ 216.255533] ? kasan_check_read+0x11/0x20 [ 216.259684] ? __run_timers+0x7da/0xc70 [ 216.263659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.269126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.273361] __run_timers+0x7e5/0xc70 [ 216.277179] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 216.282548] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 216.287587] ? graph_lock+0x170/0x170 [ 216.291407] ? enqueue_hrtimer+0x1a5/0x560 [ 216.295640] ? lock_release+0x970/0x970 [ 216.299615] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 216.304812] ? find_held_lock+0x36/0x1c0 [ 216.308880] ? graph_lock+0x170/0x170 [ 216.312681] ? pvclock_read_flags+0x160/0x160 [ 216.317177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.322744] ? check_preemption_disabled+0x48/0x200 [ 216.327773] ? __lock_is_held+0xb5/0x140 [ 216.331838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.337377] ? check_preemption_disabled+0x48/0x200 [ 216.342399] run_timer_softirq+0x52/0xb0 [ 216.346464] ? rcu_read_lock_sched_held+0x108/0x120 [ 216.351487] __do_softirq+0x30b/0xad8 [ 216.355302] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 216.360412] ? pvclock_read_flags+0x160/0x160 [ 216.364918] ? lapic_next_event+0x5a/0x90 [ 216.369064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.374605] ? check_preemption_disabled+0x48/0x200 [ 216.379645] ? check_preemption_disabled+0x48/0x200 [ 216.384671] ? kvm_clock_read+0x18/0x30 [ 216.388649] ? kvm_sched_clock_read+0x9/0x20 [ 216.393063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.398604] ? check_preemption_disabled+0x48/0x200 [ 216.403829] irq_exit+0x17f/0x1c0 [ 216.407287] smp_apic_timer_interrupt+0x1cb/0x760 [ 216.412128] ? smp_reschedule_interrupt+0x109/0x650 [ 216.417443] ? smp_call_function_single_interrupt+0x650/0x650 [ 216.423484] ? interrupt_entry+0xb5/0xf0 [ 216.427563] ? trace_hardirqs_off_caller+0xbb/0x300 [ 216.432595] ? trace_hardirqs_off_caller+0xbb/0x300 [ 216.437615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.442680] ? trace_hardirqs_off+0x300/0x300 [ 216.447173] ? trace_hardirqs_off+0x300/0x300 [ 216.451780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.457318] ? check_preemption_disabled+0x48/0x200 [ 216.462497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.468045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.472911] apic_timer_interrupt+0xf/0x20 [ 216.477159] [ 216.479577] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 216.484525] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 216.503672] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 216.512183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 216.519631] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 216.527018] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 216.534618] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 216.542611] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 216.549939] skb_clone+0x1bb/0x500 [ 216.553483] ? finish_task_switch+0x664/0x900 [ 216.557986] ? skb_split+0x11e0/0x11e0 [ 216.561883] ? preempt_notifier_register+0x200/0x200 [ 216.567004] ? __switch_to_asm+0x34/0x70 [ 216.571063] ? __switch_to_asm+0x34/0x70 [ 216.575123] ? __switch_to_asm+0x40/0x70 [ 216.579182] ? __switch_to_asm+0x34/0x70 [ 216.583254] ? __switch_to_asm+0x40/0x70 [ 216.587313] ? __switch_to_asm+0x34/0x70 [ 216.591541] ? __switch_to_asm+0x40/0x70 [ 216.595697] ? __switch_to_asm+0x34/0x70 [ 216.599943] ? __switch_to_asm+0x34/0x70 [ 216.604031] ? __switch_to_asm+0x40/0x70 [ 216.608086] ? __switch_to_asm+0x34/0x70 [ 216.612156] bpf_clone_redirect+0xb9/0x490 [ 216.616399] ? __schedule+0x874/0x1ed0 [ 216.620295] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 216.625315] ? __sched_text_start+0x8/0x8 [ 216.629470] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 216.634239] ? find_held_lock+0x36/0x1c0 [ 216.638339] ? lock_acquire+0x1ed/0x520 [ 216.642311] ? bpf_test_run+0x32e/0x5a0 [ 216.646293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.651829] ? check_preemption_disabled+0x48/0x200 [ 216.656848] ? kasan_check_read+0x11/0x20 [ 216.660997] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.666435] ? rcu_bh_qs+0xc0/0xc0 [ 216.670284] ? preempt_schedule+0x4d/0x60 [ 216.674537] ? ___preempt_schedule+0x16/0x18 [ 216.678958] ? bpf_test_run+0x1c0/0x5a0 [ 216.682944] ? netlink_diag_dump+0x2a0/0x2a0 [ 216.687368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.692908] ? bpf_test_init.isra.9+0x70/0x100 [ 216.697496] ? bpf_prog_test_run_skb+0x634/0xb40 [ 216.702260] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 216.707103] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 216.712654] ? fput+0x130/0x1a0 [ 216.715969] ? __bpf_prog_get+0x9b/0x290 [ 216.720053] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 216.724906] ? bpf_prog_test_run+0x130/0x1a0 [ 216.729329] ? __x64_sys_bpf+0x3d8/0x510 [ 216.733395] ? bpf_prog_get+0x20/0x20 [ 216.737210] ? ksys_ioctl+0x81/0xd0 [ 216.740848] ? do_syscall_64+0x1b9/0x820 [ 216.744911] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 216.750275] ? syscall_return_slowpath+0x5e0/0x5e0 [ 216.755205] ? trace_hardirqs_off+0x300/0x300 [ 216.759708] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 216.764725] ? recalc_sigpending_tsk+0x180/0x180 [ 216.769479] ? kasan_check_write+0x14/0x20 [ 216.773725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.778579] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.783962] warn_alloc_show_mem: 1 callbacks suppressed [ 216.783973] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 216.783975] Mem-Info: [ 216.784037] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 216.784037] active_file:17 inactive_file:11 isolated_file:5 [ 216.784037] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.784037] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 216.784037] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 216.784037] free:13528 free_pcp:440 free_cma:0 [ 216.789373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.789382] Call Trace: [ 216.796575] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 216.798985] [ 216.831872] Node 0 [ 216.841239] dump_stack+0x1c4/0x2b4 [ 216.843841] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 216.871578] ? dump_stack_print_info.cold.2+0x52/0x52 [ 216.873710] lowmem_reserve[]: [ 216.875953] warn_alloc.cold.118+0xb7/0x1bd [ 216.879550] 0 [ 216.905054] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.910219] 2815 [ 216.913324] ? lock_downgrade+0x900/0x900 [ 216.917617] 6318 6318 [ 216.919434] ? trace_hardirqs_off+0xb8/0x300 [ 216.924256] Node 0 [ 216.926325] ? trace_hardirqs_off+0xb8/0x300 [ 216.930475] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 216.932948] __alloc_pages_slowpath+0x2667/0x2d80 [ 216.937331] lowmem_reserve[]: 0 [ 216.939610] ? warn_alloc+0x120/0x120 [ 216.943998] 0 [ 216.971161] ? trace_hardirqs_on+0x310/0x310 [ 216.975983] 3503 [ 216.979260] ? warn_alloc+0x120/0x120 [ 216.983037] 3503 [ 216.984859] ? print_usage_bug+0xc0/0xc0 [ 216.991316] ? warn_alloc+0x120/0x120 [ 216.995097] Node 0 [ 216.997158] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 217.001229] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 217.005017] ? print_usage_bug+0xc0/0xc0 [ 217.007238] lowmem_reserve[]: [ 217.012254] ? __lock_acquire+0x7ec/0x4ec0 [ 217.040678] 0 0 [ 217.044750] ? __lock_acquire+0x7ec/0x4ec0 [ 217.047830] 0 [ 217.052062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.054017] 0 [ 217.058250] ? should_fail+0x22d/0xd01 [ 217.065562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.067344] Node 0 [ 217.071235] ? __lock_acquire+0x7ec/0x4ec0 [ 217.076315] DMA: 1*4kB [ 217.078560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.082770] (U) [ 217.085349] ? __lock_acquire+0x7ec/0x4ec0 [ 217.090426] 0*8kB [ 217.092397] ? should_fail+0x22d/0xd01 [ 217.096607] 0*16kB [ 217.098750] ? print_usage_bug+0xc0/0xc0 [ 217.102613] 1*32kB [ 217.104849] ? mark_held_locks+0x130/0x130 [ 217.108880] (U) [ 217.111116] ? mark_held_locks+0x130/0x130 [ 217.115330] 2*64kB [ 217.117303] ? graph_lock+0x170/0x170 [ 217.121521] (U) [ 217.123756] ? print_usage_bug+0xc0/0xc0 [ 217.127543] 1*128kB [ 217.129540] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.133578] (U) [ 217.135915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.140660] 1*256kB [ 217.142633] ? check_preemption_disabled+0x48/0x200 [ 217.148144] (U) [ 217.150462] ? check_preemption_disabled+0x48/0x200 [ 217.155458] 0*512kB [ 217.157436] ? __lock_is_held+0xb5/0x140 [ 217.162422] 1*1024kB [ 217.164741] __alloc_pages_nodemask+0xa80/0xde0 [ 217.168774] (U) [ 217.171183] ? graph_lock+0x170/0x170 [ 217.175822] 1*2048kB (M) [ 217.177803] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 217.181579] 3*4096kB [ 217.184329] ? graph_lock+0x170/0x170 [ 217.189319] (M) = 15908kB [ 217.191776] ? find_held_lock+0x36/0x1c0 [ 217.195551] Node 0 [ 217.198310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.202343] DMA32: [ 217.204580] ? lock_downgrade+0x900/0x900 [ 217.209230] 4*4kB [ 217.211473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.215591] (UM) [ 217.217738] cache_grow_begin+0x91/0x8c0 [ 217.223253] 3*8kB [ 217.225314] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.229352] (UM) [ 217.231510] fallback_alloc+0x203/0x2e0 [ 217.235884] 1*16kB [ 217.237955] ____cache_alloc_node+0x1c7/0x1e0 [ 217.241900] (M) [ 217.244133] kmem_cache_alloc_node+0xe3/0x730 [ 217.248601] 2*32kB [ 217.250576] ? ipv6_get_ifaddr+0x42e/0x620 [ 217.255037] (UM) 3*64kB [ 217.257285] __alloc_skb+0x119/0x770 [ 217.261489] (UM) [ 217.264187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.267871] 4*128kB (UM) [ 217.269939] ? skb_scrub_packet+0x490/0x490 [ 217.275191] 2*256kB [ 217.277951] ? lock_downgrade+0x900/0x900 [ 217.282258] (M) [ 217.284580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.288699] 4*512kB [ 217.290672] ? refcount_sub_and_test_checked+0x203/0x310 [ 217.296182] (UM) [ 217.298512] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 217.303937] 3*1024kB (M) [ 217.306018] ? addrconf_rs_timer+0x6f0/0x6f0 [ 217.311443] 1*2048kB (M) [ 217.314231] ndisc_alloc_skb+0x144/0x340 [ 217.318621] 4*4096kB (M) [ 217.321383] ndisc_send_rs+0x331/0x6e0 [ 217.325416] = 24888kB [ 217.328168] addrconf_rs_timer+0x3c0/0x6f0 [ 217.332029] Node 0 [ 217.334445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.338657] Normal: [ 217.340898] call_timer_fn+0x272/0x920 [ 217.345102] 1035*4kB [ 217.347417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.351276] (MEH) [ 217.353685] ? process_timeout+0x40/0x40 [ 217.357911] 457*8kB (UMEH) [ 217.360068] ? find_held_lock+0x36/0x1c0 [ 217.364103] 163*16kB [ 217.367037] ? __run_timers+0x7da/0xc70 [ 217.371065] (MEH) [ 217.373472] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.377426] 58*32kB [ 217.379568] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.384043] (UMEH) [ 217.386365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.390834] 13*64kB [ 217.393068] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 217.397273] (UMH) [ 217.399608] ? trace_hardirqs_on+0xbd/0x310 [ 217.404163] 2*128kB (H) [ 217.406322] ? kasan_check_read+0x11/0x20 [ 217.410627] 0*256kB [ 217.413296] ? __run_timers+0x7da/0xc70 [ 217.417421] 0*512kB [ 217.419750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.423692] 0*1024kB 0*2048kB [ 217.426025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.431453] 0*4096kB = 13348kB [ 217.434655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.438874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 217.442074] __run_timers+0x7e5/0xc70 [ 217.446289] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 217.446298] 412 total pagecache pages [ 217.455151] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.458922] 0 pages in swap cache [ 217.467488] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.471267] Swap cache stats: add 0, delete 0, find 0/0 [ 217.476634] ? graph_lock+0x170/0x170 [ 217.480059] Free swap = 0kB [ 217.480068] Total swap = 0kB [ 217.485077] ? enqueue_hrtimer+0x1a5/0x560 [ 217.490419] 1965979 pages RAM [ 217.494210] ? lock_release+0x970/0x970 [ 217.497208] 0 pages HighMem/MovableOnly [ 217.500241] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 217.504448] 343323 pages reserved [ 217.507732] ? find_held_lock+0x36/0x1c0 [ 217.511682] 0 pages cma reserved [ 217.511755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 217.515665] ? graph_lock+0x170/0x170 [ 217.520934] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 217.524286] ? pvclock_read_flags+0x160/0x160 [ 217.528323] syz-executor3 cpuset= [ 217.531685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.538155] syz3 [ 217.541958] ? check_preemption_disabled+0x48/0x200 [ 217.552425] mems_allowed=0 [ 217.556923] ? __lock_is_held+0xb5/0x140 [ 217.579789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.585325] ? check_preemption_disabled+0x48/0x200 [ 217.590355] run_timer_softirq+0x52/0xb0 [ 217.594415] ? rcu_read_lock_sched_held+0x108/0x120 [ 217.599448] __do_softirq+0x30b/0xad8 [ 217.603272] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.608385] ? pvclock_read_flags+0x160/0x160 [ 217.612909] ? lapic_next_event+0x5a/0x90 [ 217.617061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.622625] ? check_preemption_disabled+0x48/0x200 [ 217.627638] ? check_preemption_disabled+0x48/0x200 [ 217.632663] ? kvm_clock_read+0x18/0x30 [ 217.636638] ? kvm_sched_clock_read+0x9/0x20 [ 217.641050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.646587] ? check_preemption_disabled+0x48/0x200 [ 217.651618] irq_exit+0x17f/0x1c0 [ 217.655104] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.659955] ? smp_reschedule_interrupt+0x109/0x650 [ 217.664979] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.670869] ? interrupt_entry+0xb5/0xf0 [ 217.674939] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.679953] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.684968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.689811] ? trace_hardirqs_off+0x300/0x300 [ 217.694316] ? trace_hardirqs_off+0x300/0x300 [ 217.698816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.704366] ? check_preemption_disabled+0x48/0x200 [ 217.709381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.714936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.719814] apic_timer_interrupt+0xf/0x20 [ 217.724053] [ 217.726291] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 217.731217] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 217.750126] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 217.757835] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 217.765100] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 217.772366] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 217.779629] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 217.786907] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 217.794228] skb_clone+0x1bb/0x500 [ 217.797774] ? finish_task_switch+0x1b5/0x900 [ 217.802270] ? skb_split+0x11e0/0x11e0 [ 217.806171] ? preempt_notifier_register+0x200/0x200 [ 217.811290] ? __switch_to_asm+0x34/0x70 [ 217.815349] ? __switch_to_asm+0x34/0x70 [ 217.819407] ? __switch_to_asm+0x40/0x70 [ 217.823468] ? __switch_to_asm+0x34/0x70 [ 217.827533] ? __switch_to_asm+0x40/0x70 [ 217.831599] ? __switch_to_asm+0x34/0x70 [ 217.835659] ? __switch_to_asm+0x40/0x70 [ 217.839725] ? __switch_to_asm+0x34/0x70 [ 217.843786] ? __switch_to_asm+0x34/0x70 [ 217.847845] ? __switch_to_asm+0x40/0x70 [ 217.851919] ? __switch_to_asm+0x34/0x70 [ 217.856006] bpf_clone_redirect+0xb9/0x490 [ 217.860255] ? __schedule+0x874/0x1ed0 [ 217.864148] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 217.869178] ? __sched_text_start+0x8/0x8 [ 217.873350] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.878115] ? find_held_lock+0x36/0x1c0 [ 217.882183] ? lock_acquire+0x1ed/0x520 [ 217.886164] ? bpf_test_run+0x32e/0x5a0 [ 217.890144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.895696] ? check_preemption_disabled+0x48/0x200 [ 217.900717] ? kasan_check_read+0x11/0x20 [ 217.904867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.910144] ? rcu_bh_qs+0xc0/0xc0 [ 217.913685] ? preempt_schedule+0x4d/0x60 [ 217.917834] ? ___preempt_schedule+0x16/0x18 [ 217.922255] ? bpf_test_run+0x1c0/0x5a0 [ 217.926240] ? netlink_diag_dump+0x2a0/0x2a0 [ 217.930652] ? bpf_prog_test_run_skb+0x295/0xb40 [ 217.935411] ? bpf_prog_test_run_skb+0x634/0xb40 [ 217.940182] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.945024] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 217.950559] ? fput+0x130/0x1a0 [ 217.953854] ? __bpf_prog_get+0x9b/0x290 [ 217.957916] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.962753] ? bpf_prog_test_run+0x130/0x1a0 [ 217.967176] ? __x64_sys_bpf+0x3d8/0x510 [ 217.971239] ? bpf_prog_get+0x20/0x20 [ 217.975063] ? do_syscall_64+0x1b9/0x820 [ 217.979121] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.984485] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.989432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.994275] ? trace_hardirqs_off+0x300/0x300 [ 217.998775] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.003792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.009330] ? prepare_exit_to_usermode+0x291/0x3b0 [ 218.014356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.019210] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.024596] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 218.024664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 218.031788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.031794] Call Trace: [ 218.031801] [ 218.031817] dump_stack+0x1c4/0x2b4 [ 218.031839] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.038420] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.047682] warn_alloc.cold.118+0xb7/0x1bd [ 218.050230] syz-executor3 cpuset=syz3 [ 218.052390] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.055999] mems_allowed=0 [ 218.061212] ? lock_downgrade+0x900/0x900 [ 218.091649] ? trace_hardirqs_off+0xb8/0x300 [ 218.096070] ? trace_hardirqs_off+0xb8/0x300 [ 218.100487] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.105365] ? warn_alloc+0x120/0x120 [ 218.109171] ? trace_hardirqs_on+0x310/0x310 [ 218.113580] ? warn_alloc+0x120/0x120 [ 218.117386] ? print_usage_bug+0xc0/0xc0 [ 218.121448] ? warn_alloc+0x120/0x120 [ 218.125254] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 218.130275] ? print_usage_bug+0xc0/0xc0 [ 218.134341] ? __lock_acquire+0x7ec/0x4ec0 [ 218.138576] ? __lock_acquire+0x7ec/0x4ec0 [ 218.142813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.148351] ? should_fail+0x22d/0xd01 [ 218.152255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.157358] ? __lock_acquire+0x7ec/0x4ec0 [ 218.161602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.166707] ? __lock_acquire+0x7ec/0x4ec0 [ 218.170939] ? should_fail+0x22d/0xd01 [ 218.174831] ? print_usage_bug+0xc0/0xc0 [ 218.178916] ? mark_held_locks+0x130/0x130 [ 218.183177] ? mark_held_locks+0x130/0x130 [ 218.187430] ? graph_lock+0x170/0x170 [ 218.191241] ? print_usage_bug+0xc0/0xc0 [ 218.195304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.200064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.205603] ? check_preemption_disabled+0x48/0x200 [ 218.210618] ? check_preemption_disabled+0x48/0x200 [ 218.215645] ? __lock_is_held+0xb5/0x140 [ 218.219713] __alloc_pages_nodemask+0xa80/0xde0 [ 218.224387] ? graph_lock+0x170/0x170 [ 218.228190] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.233209] ? graph_lock+0x170/0x170 [ 218.237052] ? find_held_lock+0x36/0x1c0 [ 218.241127] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.245802] ? lock_downgrade+0x900/0x900 [ 218.249970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.255514] cache_grow_begin+0x91/0x8c0 [ 218.259583] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.264012] fallback_alloc+0x203/0x2e0 [ 218.268029] ____cache_alloc_node+0x1c7/0x1e0 [ 218.272537] kmem_cache_alloc_node+0xe3/0x730 [ 218.277063] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.281306] __alloc_skb+0x119/0x770 [ 218.285023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.290305] ? skb_scrub_packet+0x490/0x490 [ 218.294625] ? lock_downgrade+0x900/0x900 [ 218.298785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.304323] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.309814] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.315265] ? addrconf_rs_timer+0x6f0/0x6f0 [ 218.319690] ndisc_alloc_skb+0x144/0x340 [ 218.323760] ndisc_send_rs+0x331/0x6e0 [ 218.327667] addrconf_rs_timer+0x3c0/0x6f0 [ 218.331905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.336168] call_timer_fn+0x272/0x920 [ 218.340066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.344304] ? process_timeout+0x40/0x40 [ 218.348365] ? find_held_lock+0x36/0x1c0 [ 218.352441] ? __run_timers+0x7da/0xc70 [ 218.356419] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.360922] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.365419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.369652] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 218.374245] ? trace_hardirqs_on+0xbd/0x310 [ 218.378565] ? kasan_check_read+0x11/0x20 [ 218.382714] ? __run_timers+0x7da/0xc70 [ 218.386690] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.392147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.396398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.400867] __run_timers+0x7e5/0xc70 [ 218.404680] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.410051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.415100] ? graph_lock+0x170/0x170 [ 218.418907] ? enqueue_hrtimer+0x1a5/0x560 [ 218.423153] ? lock_release+0x970/0x970 [ 218.427143] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.432343] ? find_held_lock+0x36/0x1c0 [ 218.436414] ? graph_lock+0x170/0x170 [ 218.440235] ? pvclock_read_flags+0x160/0x160 [ 218.444732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.450269] ? check_preemption_disabled+0x48/0x200 [ 218.455297] ? __lock_is_held+0xb5/0x140 [ 218.459357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.464903] ? check_preemption_disabled+0x48/0x200 [ 218.469944] run_timer_softirq+0x52/0xb0 [ 218.474035] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.479053] __do_softirq+0x30b/0xad8 [ 218.482878] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 218.487984] ? pvclock_read_flags+0x160/0x160 [ 218.492484] ? lapic_next_event+0x5a/0x90 [ 218.496647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.502181] ? check_preemption_disabled+0x48/0x200 [ 218.507194] ? check_preemption_disabled+0x48/0x200 [ 218.512230] ? kvm_clock_read+0x18/0x30 [ 218.516205] ? kvm_sched_clock_read+0x9/0x20 [ 218.520621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.526156] ? check_preemption_disabled+0x48/0x200 [ 218.531187] irq_exit+0x17f/0x1c0 [ 218.534667] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.539513] ? smp_reschedule_interrupt+0x109/0x650 [ 218.544545] ? smp_call_function_single_interrupt+0x650/0x650 [ 218.550434] ? interrupt_entry+0xb5/0xf0 [ 218.554498] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.559535] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.564551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.569393] ? trace_hardirqs_off+0x300/0x300 [ 218.573896] ? trace_hardirqs_off+0x300/0x300 [ 218.578390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.583929] ? check_preemption_disabled+0x48/0x200 [ 218.588956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.594501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.599361] apic_timer_interrupt+0xf/0x20 [ 218.603588] [ 218.605831] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 218.610762] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 218.629660] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 218.637369] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 218.644634] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 218.651904] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 218.659171] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 218.666442] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 218.673757] skb_clone+0x1bb/0x500 [ 218.677299] ? finish_task_switch+0x664/0x900 [ 218.681798] ? skb_split+0x11e0/0x11e0 [ 218.685689] ? preempt_notifier_register+0x200/0x200 [ 218.690790] ? __switch_to_asm+0x34/0x70 [ 218.694850] ? __switch_to_asm+0x34/0x70 [ 218.698915] ? __switch_to_asm+0x40/0x70 [ 218.702976] ? __switch_to_asm+0x34/0x70 [ 218.707039] ? __switch_to_asm+0x40/0x70 [ 218.711103] ? __switch_to_asm+0x34/0x70 [ 218.715185] ? __switch_to_asm+0x40/0x70 [ 218.719246] ? __switch_to_asm+0x34/0x70 [ 218.723330] ? __switch_to_asm+0x34/0x70 [ 218.727401] ? __switch_to_asm+0x40/0x70 [ 218.731459] ? __switch_to_asm+0x34/0x70 [ 218.735527] bpf_clone_redirect+0xb9/0x490 [ 218.739763] ? __schedule+0x874/0x1ed0 [ 218.743657] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 218.748679] ? __sched_text_start+0x8/0x8 [ 218.752828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.757598] ? find_held_lock+0x36/0x1c0 [ 218.761674] ? lock_acquire+0x1ed/0x520 [ 218.765650] ? bpf_test_run+0x32e/0x5a0 [ 218.769625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.775161] ? check_preemption_disabled+0x48/0x200 [ 218.780184] ? kasan_check_read+0x11/0x20 [ 218.784339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.789615] ? rcu_bh_qs+0xc0/0xc0 [ 218.793157] ? preempt_schedule+0x4d/0x60 [ 218.797315] ? ___preempt_schedule+0x16/0x18 [ 218.801729] ? bpf_test_run+0x1c0/0x5a0 [ 218.805713] ? netlink_diag_dump+0x2a0/0x2a0 [ 218.810167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.815702] ? bpf_test_init.isra.9+0x70/0x100 [ 218.820290] ? bpf_prog_test_run_skb+0x634/0xb40 [ 218.825053] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 218.829912] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 218.835471] ? fput+0x130/0x1a0 [ 218.838753] ? __bpf_prog_get+0x9b/0x290 [ 218.842819] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 218.847675] ? bpf_prog_test_run+0x130/0x1a0 [ 218.852087] ? __x64_sys_bpf+0x3d8/0x510 [ 218.856145] ? bpf_prog_get+0x20/0x20 [ 218.859953] ? ksys_ioctl+0x81/0xd0 [ 218.863603] ? do_syscall_64+0x1b9/0x820 [ 218.867681] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 218.873050] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.877980] ? trace_hardirqs_off+0x300/0x300 [ 218.882492] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.887508] ? recalc_sigpending_tsk+0x180/0x180 [ 218.892279] ? kasan_check_write+0x14/0x20 [ 218.896531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.901383] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.906772] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 218.906778] warn_alloc_show_mem: 1 callbacks suppressed [ 218.906786] Mem-Info: [ 218.913978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.919353] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 218.919353] active_file:17 inactive_file:11 isolated_file:5 [ 218.919353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 218.919353] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 218.919353] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 218.919353] free:13528 free_pcp:440 free_cma:0 [ 218.921730] Call Trace: [ 218.931144] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 218.963984] [ 218.966563] Node 0 [ 218.994329] dump_stack+0x1c4/0x2b4 [ 218.996483] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.998694] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.002291] lowmem_reserve[]: 0 [ 219.027817] warn_alloc.cold.118+0xb7/0x1bd [ 219.032979] 2815 [ 219.036270] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.040568] 6318 [ 219.042634] ? lock_downgrade+0x900/0x900 [ 219.047444] 6318 [ 219.049522] ? trace_hardirqs_off+0xb8/0x300 [ 219.053647] Node 0 [ 219.055708] ? trace_hardirqs_off+0xb8/0x300 [ 219.060119] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 219.062334] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.066713] lowmem_reserve[]: [ 219.093884] ? warn_alloc+0x120/0x120 [ 219.098674] 0 [ 219.101785] ? warn_alloc+0x120/0x120 [ 219.105563] 0 3503 [ 219.107375] ? print_usage_bug+0xc0/0xc0 [ 219.111148] 3503 [ 219.113380] ? warn_alloc+0x120/0x120 [ 219.119478] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 219.123255] Node 0 [ 219.128281] ? print_usage_bug+0xc0/0xc0 [ 219.128337] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 219.128345] lowmem_reserve[]: [ 219.130579] ? __lock_acquire+0x7ec/0x4ec0 [ 219.134613] 0 0 [ 219.163074] ? __lock_acquire+0x7ec/0x4ec0 [ 219.166156] 0 [ 219.170401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.172355] 0 [ 219.176585] ? should_fail+0x22d/0xd01 [ 219.183892] ? __lock_acquire+0x7ec/0x4ec0 [ 219.185687] Node 0 [ 219.189568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.193773] DMA: [ 219.195999] ? __lock_acquire+0x7ec/0x4ec0 [ 219.201084] 1*4kB [ 219.203143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.207354] (U) [ 219.209496] ? __lock_acquire+0x7ec/0x4ec0 [ 219.214573] 0*8kB [ 219.216535] ? should_fail+0x22d/0xd01 [ 219.216560] ? mark_held_locks+0x130/0x130 [ 219.220765] 0*16kB [ 219.222907] ? mark_held_locks+0x130/0x130 [ 219.226772] 1*32kB [ 219.231006] ? graph_lock+0x170/0x170 [ 219.233219] (U) [ 219.237458] ? print_usage_bug+0xc0/0xc0 [ 219.239673] 2*64kB [ 219.243471] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.245421] (U) [ 219.249475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.251680] 1*128kB (U) [ 219.256440] ? check_preemption_disabled+0x48/0x200 [ 219.258398] 1*256kB [ 219.263951] ? check_preemption_disabled+0x48/0x200 [ 219.266603] (U) [ 219.271619] ? __lock_is_held+0xb5/0x140 [ 219.273915] 0*512kB [ 219.278932] __alloc_pages_nodemask+0xa80/0xde0 [ 219.280886] 1*1024kB [ 219.284937] ? graph_lock+0x170/0x170 [ 219.287253] (U) [ 219.291954] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.294337] 1*2048kB (M) [ 219.298141] ? graph_lock+0x170/0x170 [ 219.300097] 3*4096kB [ 219.305115] ? find_held_lock+0x36/0x1c0 [ 219.307847] (M) [ 219.311649] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.314034] = 15908kB [ 219.318084] ? lock_downgrade+0x900/0x900 [ 219.320039] Node 0 [ 219.324706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.327088] DMA32: [ 219.331229] cache_grow_begin+0x91/0x8c0 [ 219.333462] 4*4kB [ 219.338993] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.341212] (UM) [ 219.345283] fallback_alloc+0x203/0x2e0 [ 219.347407] 3*8kB [ 219.351810] ____cache_alloc_node+0x1c7/0x1e0 [ 219.353848] (UM) [ 219.357817] kmem_cache_alloc_node+0xe3/0x730 [ 219.359959] 1*16kB [ 219.364459] ? ipv6_get_ifaddr+0x42e/0x620 [ 219.366501] (M) [ 219.371005] __alloc_skb+0x119/0x770 [ 219.373219] 2*32kB [ 219.377460] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.379414] (UM) [ 219.383120] ? skb_scrub_packet+0x490/0x490 [ 219.385335] 3*64kB [ 219.390612] ? lock_downgrade+0x900/0x900 [ 219.392648] (UM) [ 219.396968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.399179] 4*128kB [ 219.403325] ? refcount_sub_and_test_checked+0x203/0x310 [ 219.405365] (UM) [ 219.410900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 219.413220] 2*256kB [ 219.418661] ? addrconf_rs_timer+0x6f0/0x6f0 [ 219.420700] (M) [ 219.426172] ndisc_alloc_skb+0x144/0x340 [ 219.428464] 4*512kB [ 219.432869] ndisc_send_rs+0x331/0x6e0 [ 219.434833] (UM) [ 219.438908] addrconf_rs_timer+0x3c0/0x6f0 [ 219.441246] 3*1024kB [ 219.445126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.447182] (M) [ 219.451420] call_timer_fn+0x272/0x920 [ 219.453799] 1*2048kB [ 219.458029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.459981] (M) [ 219.463869] ? process_timeout+0x40/0x40 [ 219.466256] 4*4096kB [ 219.470483] ? find_held_lock+0x36/0x1c0 [ 219.472442] (M) [ 219.476508] ? __run_timers+0x7da/0xc70 [ 219.478887] = 24888kB [ 219.482952] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.484919] Node 0 [ 219.488920] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.491308] Normal: [ 219.495798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.498018] 1035*4kB [ 219.502515] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 219.504810] (MEH) [ 219.509204] ? trace_hardirqs_on+0xbd/0x310 [ 219.511603] 457*8kB [ 219.516176] ? kasan_check_read+0x11/0x20 [ 219.518309] (UMEH) [ 219.522669] ? __run_timers+0x7da/0xc70 [ 219.524973] 163*16kB [ 219.529114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.531335] (MEH) [ 219.535329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.537714] 58*32kB [ 219.543156] __run_timers+0x7e5/0xc70 [ 219.545283] (UMEH) [ 219.549532] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 219.551818] 13*64kB [ 219.555614] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 219.557826] (UMH) [ 219.563210] ? graph_lock+0x170/0x170 [ 219.565515] 2*128kB (H) [ 219.570549] ? enqueue_hrtimer+0x1a5/0x560 [ 219.572675] 0*256kB 0*512kB [ 219.576482] ? lock_release+0x970/0x970 [ 219.579134] 0*1024kB [ 219.583360] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 219.586355] 0*2048kB [ 219.590324] ? find_held_lock+0x36/0x1c0 [ 219.592710] 0*4096kB [ 219.597893] ? graph_lock+0x170/0x170 [ 219.600284] = 13348kB [ 219.604337] ? pvclock_read_flags+0x160/0x160 [ 219.606730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 219.610527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.612935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 219.617420] ? check_preemption_disabled+0x48/0x200 [ 219.626234] 412 total pagecache pages [ 219.631768] ? __lock_is_held+0xb5/0x140 [ 219.640321] 0 pages in swap cache [ 219.645418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.649195] Swap cache stats: add 0, delete 0, find 0/0 [ 219.653272] ? check_preemption_disabled+0x48/0x200 [ 219.656788] Free swap = 0kB [ 219.662332] run_timer_softirq+0x52/0xb0 [ 219.667666] Total swap = 0kB [ 219.672678] ? rcu_read_lock_sched_held+0x108/0x120 [ 219.675685] 1965979 pages RAM [ 219.679739] __do_softirq+0x30b/0xad8 [ 219.682732] 0 pages HighMem/MovableOnly [ 219.687749] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 219.690826] 343323 pages reserved [ 219.694622] ? pvclock_read_flags+0x160/0x160 [ 219.698567] 0 pages cma reserved [ 219.698640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.703671] ? lapic_next_event+0x5a/0x90 [ 219.707183] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 219.711617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.714958] syz-executor3 cpuset= [ 219.721446] ? check_preemption_disabled+0x48/0x200 [ 219.725572] syz3 [ 219.736045] ? check_preemption_disabled+0x48/0x200 [ 219.736067] ? kvm_clock_read+0x18/0x30 [ 219.741585] mems_allowed=0 [ 219.745029] ? kvm_sched_clock_read+0x9/0x20 [ 219.768307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.773858] ? check_preemption_disabled+0x48/0x200 [ 219.778893] irq_exit+0x17f/0x1c0 [ 219.782368] smp_apic_timer_interrupt+0x1cb/0x760 [ 219.787214] ? smp_reschedule_interrupt+0x109/0x650 [ 219.792238] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.798141] ? interrupt_entry+0xb5/0xf0 [ 219.802217] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.807270] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.812304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.817150] ? trace_hardirqs_off+0x300/0x300 [ 219.821644] ? trace_hardirqs_off+0x300/0x300 [ 219.826147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.831687] ? check_preemption_disabled+0x48/0x200 [ 219.836706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.842258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.847117] apic_timer_interrupt+0xf/0x20 [ 219.851353] [ 219.853611] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 219.858566] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 219.877528] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 219.885259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 219.892536] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 219.899808] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 219.907076] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 219.914371] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 219.921694] skb_clone+0x1bb/0x500 [ 219.925238] ? finish_task_switch+0x1b5/0x900 [ 219.929768] ? skb_split+0x11e0/0x11e0 [ 219.933664] ? preempt_notifier_register+0x200/0x200 [ 219.938767] ? __switch_to_asm+0x34/0x70 [ 219.942838] ? __switch_to_asm+0x34/0x70 [ 219.946905] ? __switch_to_asm+0x40/0x70 [ 219.950966] ? __switch_to_asm+0x34/0x70 [ 219.955033] ? __switch_to_asm+0x40/0x70 [ 219.959094] ? __switch_to_asm+0x34/0x70 [ 219.963153] ? __switch_to_asm+0x40/0x70 [ 219.967251] ? __switch_to_asm+0x34/0x70 [ 219.971321] ? __switch_to_asm+0x34/0x70 [ 219.975383] ? __switch_to_asm+0x40/0x70 [ 219.979442] ? __switch_to_asm+0x34/0x70 [ 219.983535] bpf_clone_redirect+0xb9/0x490 [ 219.987781] ? __schedule+0x874/0x1ed0 [ 219.991680] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 219.996729] ? __sched_text_start+0x8/0x8 [ 220.000895] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.005670] ? find_held_lock+0x36/0x1c0 [ 220.009741] ? lock_acquire+0x1ed/0x520 [ 220.013713] ? bpf_test_run+0x32e/0x5a0 [ 220.017688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.023229] ? check_preemption_disabled+0x48/0x200 [ 220.028249] ? kasan_check_read+0x11/0x20 [ 220.032399] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.037678] ? rcu_bh_qs+0xc0/0xc0 [ 220.041224] ? preempt_schedule+0x4d/0x60 [ 220.045378] ? ___preempt_schedule+0x16/0x18 [ 220.049793] ? bpf_test_run+0x1c0/0x5a0 [ 220.053782] ? netlink_diag_dump+0x2a0/0x2a0 [ 220.058279] ? bpf_prog_test_run_skb+0x295/0xb40 [ 220.063077] ? bpf_prog_test_run_skb+0x634/0xb40 [ 220.067839] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.072683] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 220.078222] ? fput+0x130/0x1a0 [ 220.081517] ? __bpf_prog_get+0x9b/0x290 [ 220.085584] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.090426] ? bpf_prog_test_run+0x130/0x1a0 [ 220.094838] ? __x64_sys_bpf+0x3d8/0x510 [ 220.098897] ? bpf_prog_get+0x20/0x20 [ 220.102723] ? do_syscall_64+0x1b9/0x820 [ 220.106786] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 220.112165] ? syscall_return_slowpath+0x5e0/0x5e0 [ 220.117105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.121951] ? trace_hardirqs_off+0x300/0x300 [ 220.126450] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 220.131469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.137016] ? prepare_exit_to_usermode+0x291/0x3b0 [ 220.142037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.146889] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.152277] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 220.152358] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 220.159475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.159480] Call Trace: [ 220.159487] [ 220.159504] dump_stack+0x1c4/0x2b4 [ 220.159522] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.159549] warn_alloc.cold.118+0xb7/0x1bd [ 220.166064] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.175366] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.177927] syz-executor3 cpuset= [ 220.180072] ? lock_downgrade+0x900/0x900 [ 220.183677] syz3 [ 220.188868] ? trace_hardirqs_off+0xb8/0x300 [ 220.193169] mems_allowed=0 [ 220.203648] ? trace_hardirqs_off+0xb8/0x300 [ 220.229720] __alloc_pages_slowpath+0x2667/0x2d80 [ 220.234600] ? warn_alloc+0x120/0x120 [ 220.238409] ? warn_alloc+0x120/0x120 [ 220.242215] ? print_usage_bug+0xc0/0xc0 [ 220.246287] ? warn_alloc+0x120/0x120 [ 220.250091] ? print_usage_bug+0xc0/0xc0 [ 220.254152] ? __lock_acquire+0x7ec/0x4ec0 [ 220.258403] ? __lock_acquire+0x7ec/0x4ec0 [ 220.262642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.268189] ? should_fail+0x22d/0xd01 [ 220.272098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.277234] ? __lock_acquire+0x7ec/0x4ec0 [ 220.281477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.286575] ? __lock_acquire+0x7ec/0x4ec0 [ 220.290809] ? should_fail+0x22d/0xd01 [ 220.294708] ? mark_held_locks+0x130/0x130 [ 220.298951] ? mark_held_locks+0x130/0x130 [ 220.303186] ? graph_lock+0x170/0x170 [ 220.306986] ? graph_lock+0x170/0x170 [ 220.310792] ? graph_lock+0x170/0x170 [ 220.314596] ? print_usage_bug+0xc0/0xc0 [ 220.318661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.324202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.329746] ? check_preemption_disabled+0x48/0x200 [ 220.334758] ? check_preemption_disabled+0x48/0x200 [ 220.339786] ? __lock_is_held+0xb5/0x140 [ 220.343853] __alloc_pages_nodemask+0xa80/0xde0 [ 220.348522] ? graph_lock+0x170/0x170 [ 220.352333] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.357358] ? graph_lock+0x170/0x170 [ 220.361171] ? find_held_lock+0x36/0x1c0 [ 220.365259] ? ____cache_alloc_node+0x1c7/0x1e0 [ 220.369929] ? lock_downgrade+0x900/0x900 [ 220.374100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.379652] cache_grow_begin+0x91/0x8c0 [ 220.383718] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.388132] fallback_alloc+0x203/0x2e0 [ 220.392112] ____cache_alloc_node+0x1c7/0x1e0 [ 220.396612] kmem_cache_alloc_node+0xe3/0x730 [ 220.401387] ? ipv6_get_ifaddr+0x42e/0x620 [ 220.405652] __alloc_skb+0x119/0x770 [ 220.409367] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.414650] ? skb_scrub_packet+0x490/0x490 [ 220.418970] ? lock_downgrade+0x900/0x900 [ 220.423131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.428667] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.434130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.439583] ? addrconf_rs_timer+0x6f0/0x6f0 [ 220.444008] ndisc_alloc_skb+0x144/0x340 [ 220.448072] ndisc_send_rs+0x331/0x6e0 [ 220.451965] addrconf_rs_timer+0x3c0/0x6f0 [ 220.456246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.460498] call_timer_fn+0x272/0x920 [ 220.464392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.468628] ? process_timeout+0x40/0x40 [ 220.472687] ? find_held_lock+0x36/0x1c0 [ 220.476756] ? __run_timers+0x7da/0xc70 [ 220.480734] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.485237] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.489734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.493972] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.498582] ? trace_hardirqs_on+0xbd/0x310 [ 220.502900] ? kasan_check_read+0x11/0x20 [ 220.507045] ? __run_timers+0x7da/0xc70 [ 220.511036] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.516503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.520743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.524977] __run_timers+0x7e5/0xc70 [ 220.528799] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.534162] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.539177] ? graph_lock+0x170/0x170 [ 220.542982] ? enqueue_hrtimer+0x1a5/0x560 [ 220.547232] ? lock_release+0x970/0x970 [ 220.551210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.556415] ? find_held_lock+0x36/0x1c0 [ 220.560484] ? graph_lock+0x170/0x170 [ 220.564286] ? pvclock_read_flags+0x160/0x160 [ 220.568794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.574330] ? check_preemption_disabled+0x48/0x200 [ 220.579358] ? __lock_is_held+0xb5/0x140 [ 220.583420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.588977] ? check_preemption_disabled+0x48/0x200 [ 220.594012] run_timer_softirq+0x52/0xb0 [ 220.598084] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.603104] __do_softirq+0x30b/0xad8 [ 220.606921] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.612035] ? pvclock_read_flags+0x160/0x160 [ 220.616534] ? lapic_next_event+0x5a/0x90 [ 220.620681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.626214] ? check_preemption_disabled+0x48/0x200 [ 220.631225] ? check_preemption_disabled+0x48/0x200 [ 220.636249] ? kvm_clock_read+0x18/0x30 [ 220.640229] ? kvm_sched_clock_read+0x9/0x20 [ 220.644672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.650212] ? check_preemption_disabled+0x48/0x200 [ 220.655241] irq_exit+0x17f/0x1c0 [ 220.658704] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.663548] ? smp_reschedule_interrupt+0x109/0x650 [ 220.668573] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.674453] ? interrupt_entry+0xb5/0xf0 [ 220.678533] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.683547] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.688568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.693413] ? trace_hardirqs_off+0x300/0x300 [ 220.697908] ? trace_hardirqs_off+0x300/0x300 [ 220.702412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.707952] ? check_preemption_disabled+0x48/0x200 [ 220.712971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.718521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.723378] apic_timer_interrupt+0xf/0x20 [ 220.727606] [ 220.729844] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.734773] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 220.753683] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 220.761404] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 220.768669] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 220.775957] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 220.783221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 220.790491] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 220.797807] skb_clone+0x1bb/0x500 [ 220.801352] ? finish_task_switch+0x664/0x900 [ 220.805862] ? skb_split+0x11e0/0x11e0 [ 220.809763] ? preempt_notifier_register+0x200/0x200 [ 220.814866] ? __switch_to_asm+0x34/0x70 [ 220.818928] ? __switch_to_asm+0x34/0x70 [ 220.822991] ? __switch_to_asm+0x40/0x70 [ 220.827059] ? __switch_to_asm+0x34/0x70 [ 220.831122] ? __switch_to_asm+0x40/0x70 [ 220.835183] ? __switch_to_asm+0x34/0x70 [ 220.839243] ? __switch_to_asm+0x40/0x70 [ 220.843339] ? __switch_to_asm+0x34/0x70 [ 220.847406] ? __switch_to_asm+0x34/0x70 [ 220.851465] ? __switch_to_asm+0x40/0x70 [ 220.855526] ? __switch_to_asm+0x34/0x70 [ 220.859619] bpf_clone_redirect+0xb9/0x490 [ 220.863871] ? __schedule+0x874/0x1ed0 [ 220.867761] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 220.872785] ? __sched_text_start+0x8/0x8 [ 220.876939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.881708] ? find_held_lock+0x36/0x1c0 [ 220.885795] ? lock_acquire+0x1ed/0x520 [ 220.889769] ? bpf_test_run+0x32e/0x5a0 [ 220.893745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.899293] ? check_preemption_disabled+0x48/0x200 [ 220.904313] ? kasan_check_read+0x11/0x20 [ 220.908488] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.913767] ? rcu_bh_qs+0xc0/0xc0 [ 220.917310] ? preempt_schedule+0x4d/0x60 [ 220.921462] ? ___preempt_schedule+0x16/0x18 [ 220.925876] ? bpf_test_run+0x1c0/0x5a0 [ 220.929863] ? netlink_diag_dump+0x2a0/0x2a0 [ 220.934316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.939877] ? bpf_test_init.isra.9+0x70/0x100 [ 220.944466] ? bpf_prog_test_run_skb+0x634/0xb40 [ 220.949235] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.954092] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 220.959627] ? fput+0x130/0x1a0 [ 220.962924] ? __bpf_prog_get+0x9b/0x290 [ 220.966996] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.971855] ? bpf_prog_test_run+0x130/0x1a0 [ 220.976272] ? __x64_sys_bpf+0x3d8/0x510 [ 220.980333] ? bpf_prog_get+0x20/0x20 [ 220.984140] ? ksys_ioctl+0x81/0xd0 [ 220.987781] ? do_syscall_64+0x1b9/0x820 [ 220.991846] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 220.997212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.002145] ? trace_hardirqs_off+0x300/0x300 [ 221.006640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.011659] ? recalc_sigpending_tsk+0x180/0x180 [ 221.016412] ? kasan_check_write+0x14/0x20 [ 221.020664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.025526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.030918] warn_alloc_show_mem: 1 callbacks suppressed [ 221.030930] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 221.030954] Mem-Info: [ 221.030985] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 221.030985] active_file:17 inactive_file:11 isolated_file:5 [ 221.030985] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.030985] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 221.030985] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 221.030985] free:13528 free_pcp:440 free_cma:0 [ 221.036333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.043534] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.043543] Node 0 [ 221.045966] Call Trace: [ 221.078857] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 221.088183] [ 221.115928] lowmem_reserve[]: [ 221.118166] dump_stack+0x1c4/0x2b4 [ 221.120723] 0 [ 221.146247] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.148377] 2815 [ 221.151496] warn_alloc.cold.118+0xb7/0x1bd [ 221.155088] 6318 6318 [ 221.156895] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.164118] ? lock_downgrade+0x900/0x900 [ 221.168415] Node 0 [ 221.170919] ? trace_hardirqs_off+0xb8/0x300 [ 221.175757] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 221.179876] ? trace_hardirqs_off+0xb8/0x300 [ 221.182087] lowmem_reserve[]: [ 221.186510] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.213647] 0 0 [ 221.218121] ? warn_alloc+0x120/0x120 [ 221.221176] 3503 [ 221.226019] ? warn_alloc+0x120/0x120 [ 221.227975] 3503 [ 221.231770] ? print_usage_bug+0xc0/0xc0 [ 221.237606] ? warn_alloc+0x120/0x120 [ 221.239649] Node 0 [ 221.243702] ? print_usage_bug+0xc0/0xc0 [ 221.247507] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 221.249721] ? __lock_acquire+0x7ec/0x4ec0 [ 221.253751] lowmem_reserve[]: 0 [ 221.282210] ? __lock_acquire+0x7ec/0x4ec0 [ 221.286428] 0 [ 221.289704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.293909] 0 0 [ 221.295716] ? should_fail+0x22d/0xd01 [ 221.301229] Node 0 DMA: [ 221.303234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.307110] 1*4kB [ 221.309779] ? __lock_acquire+0x7ec/0x4ec0 [ 221.315092] (U) [ 221.317255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.321465] 0*8kB 0*16kB [ 221.323473] ? __lock_acquire+0x7ec/0x4ec0 [ 221.328563] 1*32kB [ 221.331326] ? should_fail+0x22d/0xd01 [ 221.335533] (U) [ 221.337784] ? mark_held_locks+0x130/0x130 [ 221.341645] 2*64kB (U) [ 221.343625] ? mark_held_locks+0x130/0x130 [ 221.347830] 1*128kB (U) [ 221.350418] ? graph_lock+0x170/0x170 [ 221.354623] 1*256kB (U) [ 221.357386] ? graph_lock+0x170/0x170 [ 221.361164] 0*512kB [ 221.363831] ? graph_lock+0x170/0x170 [ 221.367610] 1*1024kB [ 221.369940] ? print_usage_bug+0xc0/0xc0 [ 221.373712] (U) 1*2048kB [ 221.376133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.380172] (M) [ 221.382924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.388443] 3*4096kB [ 221.390411] ? check_preemption_disabled+0x48/0x200 [ 221.395921] (M) [ 221.398325] ? check_preemption_disabled+0x48/0x200 [ 221.403315] = 15908kB [ 221.403324] Node 0 [ 221.405305] ? __lock_is_held+0xb5/0x140 [ 221.410286] DMA32: 4*4kB [ 221.412711] __alloc_pages_nodemask+0xa80/0xde0 [ 221.414933] (UM) [ 221.418984] ? graph_lock+0x170/0x170 [ 221.421724] 3*8kB (UM) [ 221.426398] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.428445] 1*16kB [ 221.432252] ? graph_lock+0x170/0x170 [ 221.434802] (M) 2*32kB [ 221.439830] ? find_held_lock+0x36/0x1c0 [ 221.442041] (UM) [ 221.445844] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.448396] 3*64kB (UM) [ 221.452460] ? lock_downgrade+0x900/0x900 [ 221.454526] 4*128kB [ 221.459205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.461854] (UM) [ 221.465996] cache_grow_begin+0x91/0x8c0 [ 221.468305] 2*256kB [ 221.473836] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.475874] (M) [ 221.479935] fallback_alloc+0x203/0x2e0 [ 221.482225] 4*512kB (UM) 3*1024kB [ 221.486643] ____cache_alloc_node+0x1c7/0x1e0 [ 221.488606] (M) [ 221.492574] kmem_cache_alloc_node+0xe3/0x730 [ 221.496083] 1*2048kB (M) [ 221.500585] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.502538] 4*4096kB [ 221.507199] __alloc_skb+0x119/0x770 [ 221.509931] (M) [ 221.514187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.516563] = 24888kB [ 221.516572] Node 0 [ 221.520294] ? skb_scrub_packet+0x490/0x490 [ 221.522267] Normal: [ 221.527541] ? lock_downgrade+0x900/0x900 [ 221.529929] 1035*4kB [ 221.532159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.536465] (MEH) [ 221.538788] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.542913] 457*8kB [ 221.545322] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.550838] (UMEH) [ 221.552986] ? addrconf_rs_timer+0x6f0/0x6f0 [ 221.558414] 163*16kB [ 221.560744] ndisc_alloc_skb+0x144/0x340 [ 221.566160] (MEH) [ 221.568401] ndisc_send_rs+0x331/0x6e0 [ 221.572784] 58*32kB [ 221.575191] addrconf_rs_timer+0x3c0/0x6f0 [ 221.579233] (UMEH) [ 221.581377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.585242] 13*64kB (UMH) [ 221.587580] call_timer_fn+0x272/0x920 [ 221.591782] 2*128kB [ 221.594019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.598232] (H) [ 221.601069] ? process_timeout+0x40/0x40 [ 221.604945] 0*256kB [ 221.607275] ? find_held_lock+0x36/0x1c0 [ 221.611493] 0*512kB [ 221.613475] ? __run_timers+0x7da/0xc70 [ 221.613492] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.613511] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.613524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.613538] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.613554] ? trace_hardirqs_on+0xbd/0x310 [ 221.613572] ? kasan_check_read+0x11/0x20 [ 221.617617] 0*1024kB [ 221.619934] ? __run_timers+0x7da/0xc70 [ 221.623963] 0*2048kB 0*4096kB [ 221.626297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.630251] = 13348kB [ 221.634742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.639321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 221.643547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.648419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 221.652732] __run_timers+0x7e5/0xc70 [ 221.656857] 412 total pagecache pages [ 221.659275] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.663220] 0 pages in swap cache [ 221.666405] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.671835] Swap cache stats: add 0, delete 0, find 0/0 [ 221.674245] ? graph_lock+0x170/0x170 [ 221.678457] Free swap = 0kB [ 221.687289] ? enqueue_hrtimer+0x1a5/0x560 [ 221.691511] Total swap = 0kB [ 221.700076] ? lock_release+0x970/0x970 [ 221.700093] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 221.703887] 1965979 pages RAM [ 221.707687] ? find_held_lock+0x36/0x1c0 [ 221.713027] 0 pages HighMem/MovableOnly [ 221.716480] ? graph_lock+0x170/0x170 [ 221.721476] 343323 pages reserved [ 221.726842] ? pvclock_read_flags+0x160/0x160 [ 221.730640] 0 pages cma reserved [ 221.733649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.737936] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.740887] ? check_preemption_disabled+0x48/0x200 [ 221.744897] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.750047] ? __lock_is_held+0xb5/0x140 [ 221.753124] syz-executor3 cpuset= [ 221.757187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.761140] syz3 [ 221.764947] ? check_preemption_disabled+0x48/0x200 [ 221.768383] mems_allowed=0 [ 221.772877] run_timer_softirq+0x52/0xb0 [ 221.830619] ? rcu_read_lock_sched_held+0x108/0x120 [ 221.835645] __do_softirq+0x30b/0xad8 [ 221.839462] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 221.844573] ? pvclock_read_flags+0x160/0x160 [ 221.849068] ? lapic_next_event+0x5a/0x90 [ 221.853332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.858887] ? check_preemption_disabled+0x48/0x200 [ 221.863897] ? check_preemption_disabled+0x48/0x200 [ 221.868937] ? kvm_clock_read+0x18/0x30 [ 221.872936] ? kvm_sched_clock_read+0x9/0x20 [ 221.877353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.882889] ? check_preemption_disabled+0x48/0x200 [ 221.887954] irq_exit+0x17f/0x1c0 [ 221.891414] smp_apic_timer_interrupt+0x1cb/0x760 [ 221.896267] ? smp_reschedule_interrupt+0x109/0x650 [ 221.901298] ? smp_call_function_single_interrupt+0x650/0x650 [ 221.907183] ? interrupt_entry+0xb5/0xf0 [ 221.911248] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.916274] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.921294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.926135] ? trace_hardirqs_off+0x300/0x300 [ 221.930627] ? trace_hardirqs_off+0x300/0x300 [ 221.935123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.940674] ? check_preemption_disabled+0x48/0x200 [ 221.945699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.951260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.956139] apic_timer_interrupt+0xf/0x20 [ 221.960367] [ 221.962611] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 221.967544] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 221.986443] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 221.994150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 222.001415] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 222.008680] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 222.015948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 222.023247] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 222.030562] skb_clone+0x1bb/0x500 [ 222.034102] ? finish_task_switch+0x1b5/0x900 [ 222.038598] ? skb_split+0x11e0/0x11e0 [ 222.042487] ? preempt_notifier_register+0x200/0x200 [ 222.047608] ? __switch_to_asm+0x34/0x70 [ 222.051666] ? __switch_to_asm+0x34/0x70 [ 222.055723] ? __switch_to_asm+0x40/0x70 [ 222.059784] ? __switch_to_asm+0x34/0x70 [ 222.063843] ? __switch_to_asm+0x40/0x70 [ 222.067913] ? __switch_to_asm+0x34/0x70 [ 222.071984] ? __switch_to_asm+0x40/0x70 [ 222.076043] ? __switch_to_asm+0x34/0x70 [ 222.080105] ? __switch_to_asm+0x34/0x70 [ 222.084177] ? __switch_to_asm+0x40/0x70 [ 222.088232] ? __switch_to_asm+0x34/0x70 [ 222.092305] bpf_clone_redirect+0xb9/0x490 [ 222.096540] ? __schedule+0x874/0x1ed0 [ 222.100442] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 222.105462] ? __sched_text_start+0x8/0x8 [ 222.109630] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.114393] ? find_held_lock+0x36/0x1c0 [ 222.118464] ? lock_acquire+0x1ed/0x520 [ 222.122437] ? bpf_test_run+0x32e/0x5a0 [ 222.126413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.131951] ? check_preemption_disabled+0x48/0x200 [ 222.136972] ? kasan_check_read+0x11/0x20 [ 222.141146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.146422] ? rcu_bh_qs+0xc0/0xc0 [ 222.150053] ? preempt_schedule+0x4d/0x60 [ 222.154202] ? ___preempt_schedule+0x16/0x18 [ 222.158616] ? bpf_test_run+0x1c0/0x5a0 [ 222.162629] ? netlink_diag_dump+0x2a0/0x2a0 [ 222.167038] ? bpf_prog_test_run_skb+0x295/0xb40 [ 222.171799] ? bpf_prog_test_run_skb+0x634/0xb40 [ 222.176562] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.181432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.186971] ? fput+0x130/0x1a0 [ 222.190257] ? __bpf_prog_get+0x9b/0x290 [ 222.194322] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.199160] ? bpf_prog_test_run+0x130/0x1a0 [ 222.203583] ? __x64_sys_bpf+0x3d8/0x510 [ 222.207644] ? bpf_prog_get+0x20/0x20 [ 222.211466] ? do_syscall_64+0x1b9/0x820 [ 222.215533] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 222.220894] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.225824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.230668] ? trace_hardirqs_off+0x300/0x300 [ 222.235162] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 222.240190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.245741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 222.250772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.255623] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.261011] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 222.261075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.268206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.268212] Call Trace: [ 222.268219] [ 222.268244] dump_stack+0x1c4/0x2b4 [ 222.268261] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.274790] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.284102] warn_alloc.cold.118+0xb7/0x1bd [ 222.286659] syz-executor3 cpuset= [ 222.288806] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.292425] syz3 [ 222.297614] ? lock_downgrade+0x900/0x900 [ 222.308079] mems_allowed=0 [ 222.312397] ? trace_hardirqs_off+0xb8/0x300 [ 222.334062] ? trace_hardirqs_off+0xb8/0x300 [ 222.338478] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.343353] ? warn_alloc+0x120/0x120 [ 222.347174] ? warn_alloc+0x120/0x120 [ 222.351018] ? print_usage_bug+0xc0/0xc0 [ 222.355083] ? warn_alloc+0x120/0x120 [ 222.358887] ? print_usage_bug+0xc0/0xc0 [ 222.362956] ? __lock_acquire+0x7ec/0x4ec0 [ 222.367306] ? __lock_acquire+0x7ec/0x4ec0 [ 222.371557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.377094] ? should_fail+0x22d/0xd01 [ 222.380985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.386094] ? __lock_acquire+0x7ec/0x4ec0 [ 222.390332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.395434] ? __lock_acquire+0x7ec/0x4ec0 [ 222.399902] ? should_fail+0x22d/0xd01 [ 222.403813] ? mark_held_locks+0x130/0x130 [ 222.408064] ? mark_held_locks+0x130/0x130 [ 222.412307] ? graph_lock+0x170/0x170 [ 222.416109] ? graph_lock+0x170/0x170 [ 222.419911] ? graph_lock+0x170/0x170 [ 222.423715] ? print_usage_bug+0xc0/0xc0 [ 222.427777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.433312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.438846] ? check_preemption_disabled+0x48/0x200 [ 222.443858] ? check_preemption_disabled+0x48/0x200 [ 222.448889] ? __lock_is_held+0xb5/0x140 [ 222.452959] __alloc_pages_nodemask+0xa80/0xde0 [ 222.457630] ? graph_lock+0x170/0x170 [ 222.461437] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.466455] ? graph_lock+0x170/0x170 [ 222.470268] ? find_held_lock+0x36/0x1c0 [ 222.474345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.479021] ? lock_downgrade+0x900/0x900 [ 222.483183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.488730] cache_grow_begin+0x91/0x8c0 [ 222.492796] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.497212] fallback_alloc+0x203/0x2e0 [ 222.501202] ____cache_alloc_node+0x1c7/0x1e0 [ 222.505715] kmem_cache_alloc_node+0xe3/0x730 [ 222.510213] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.514472] __alloc_skb+0x119/0x770 [ 222.518188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.523469] ? skb_scrub_packet+0x490/0x490 [ 222.527797] ? lock_downgrade+0x900/0x900 [ 222.531966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.537505] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.542962] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.548415] ? addrconf_rs_timer+0x6f0/0x6f0 [ 222.552840] ndisc_alloc_skb+0x144/0x340 [ 222.556914] ndisc_send_rs+0x331/0x6e0 [ 222.560811] addrconf_rs_timer+0x3c0/0x6f0 [ 222.565055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.569303] call_timer_fn+0x272/0x920 [ 222.573191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.577480] ? process_timeout+0x40/0x40 [ 222.581543] ? find_held_lock+0x36/0x1c0 [ 222.585615] ? __run_timers+0x7da/0xc70 [ 222.589617] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.594110] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.598602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.602839] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 222.607427] ? trace_hardirqs_on+0xbd/0x310 [ 222.611748] ? kasan_check_read+0x11/0x20 [ 222.615897] ? __run_timers+0x7da/0xc70 [ 222.619874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.625331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.629570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.633805] __run_timers+0x7e5/0xc70 [ 222.637620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.642997] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.648025] ? graph_lock+0x170/0x170 [ 222.651830] ? enqueue_hrtimer+0x1a5/0x560 [ 222.656078] ? lock_release+0x970/0x970 [ 222.660054] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.665261] ? find_held_lock+0x36/0x1c0 [ 222.669329] ? graph_lock+0x170/0x170 [ 222.673128] ? pvclock_read_flags+0x160/0x160 [ 222.677621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.683160] ? check_preemption_disabled+0x48/0x200 [ 222.688187] ? __lock_is_held+0xb5/0x140 [ 222.692250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.697802] ? check_preemption_disabled+0x48/0x200 [ 222.702827] run_timer_softirq+0x52/0xb0 [ 222.706891] ? rcu_read_lock_sched_held+0x108/0x120 [ 222.711912] __do_softirq+0x30b/0xad8 [ 222.715725] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.720833] ? pvclock_read_flags+0x160/0x160 [ 222.725327] ? lapic_next_event+0x5a/0x90 [ 222.729474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.735027] ? check_preemption_disabled+0x48/0x200 [ 222.740051] ? check_preemption_disabled+0x48/0x200 [ 222.745070] ? kvm_clock_read+0x18/0x30 [ 222.749047] ? kvm_sched_clock_read+0x9/0x20 [ 222.753471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.759011] ? check_preemption_disabled+0x48/0x200 [ 222.764050] irq_exit+0x17f/0x1c0 [ 222.767506] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.772355] ? smp_reschedule_interrupt+0x109/0x650 [ 222.777375] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.783277] ? interrupt_entry+0xb5/0xf0 [ 222.787344] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.792359] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.797381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.802234] ? trace_hardirqs_off+0x300/0x300 [ 222.806902] ? trace_hardirqs_off+0x300/0x300 [ 222.811400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.816961] ? check_preemption_disabled+0x48/0x200 [ 222.821990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.827540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.832396] apic_timer_interrupt+0xf/0x20 [ 222.836624] [ 222.838864] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 222.844056] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 222.862960] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 222.870677] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 222.877943] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 222.885211] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 222.892500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 222.899768] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 222.907115] skb_clone+0x1bb/0x500 [ 222.910655] ? finish_task_switch+0x664/0x900 [ 222.915154] ? skb_split+0x11e0/0x11e0 [ 222.919045] ? preempt_notifier_register+0x200/0x200 [ 222.924157] ? __switch_to_asm+0x34/0x70 [ 222.928238] ? __switch_to_asm+0x34/0x70 [ 222.932295] ? __switch_to_asm+0x40/0x70 [ 222.936364] ? __switch_to_asm+0x34/0x70 [ 222.940423] ? __switch_to_asm+0x40/0x70 [ 222.944485] ? __switch_to_asm+0x34/0x70 [ 222.948545] ? __switch_to_asm+0x40/0x70 [ 222.952602] ? __switch_to_asm+0x34/0x70 [ 222.956663] ? __switch_to_asm+0x34/0x70 [ 222.960722] ? __switch_to_asm+0x40/0x70 [ 222.964786] ? __switch_to_asm+0x34/0x70 [ 222.968868] bpf_clone_redirect+0xb9/0x490 [ 222.973106] ? __schedule+0x874/0x1ed0 [ 222.977016] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 222.982042] ? __sched_text_start+0x8/0x8 [ 222.986201] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.990974] ? find_held_lock+0x36/0x1c0 [ 222.995055] ? lock_acquire+0x1ed/0x520 [ 222.999031] ? bpf_test_run+0x32e/0x5a0 [ 223.003013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.008549] ? check_preemption_disabled+0x48/0x200 [ 223.013579] ? kasan_check_read+0x11/0x20 [ 223.017729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.023018] ? rcu_bh_qs+0xc0/0xc0 [ 223.026562] ? preempt_schedule+0x4d/0x60 [ 223.030714] ? ___preempt_schedule+0x16/0x18 [ 223.035128] ? bpf_test_run+0x1c0/0x5a0 [ 223.039125] ? netlink_diag_dump+0x2a0/0x2a0 [ 223.043551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.049084] ? bpf_test_init.isra.9+0x70/0x100 [ 223.053675] ? bpf_prog_test_run_skb+0x634/0xb40 [ 223.058436] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.063280] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.068818] ? fput+0x130/0x1a0 [ 223.072098] ? __bpf_prog_get+0x9b/0x290 [ 223.076165] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.081013] ? bpf_prog_test_run+0x130/0x1a0 [ 223.085455] ? __x64_sys_bpf+0x3d8/0x510 [ 223.089631] ? bpf_prog_get+0x20/0x20 [ 223.093444] ? ksys_ioctl+0x81/0xd0 [ 223.097111] ? do_syscall_64+0x1b9/0x820 [ 223.101172] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.106537] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.111470] ? trace_hardirqs_off+0x300/0x300 [ 223.115966] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.120982] ? recalc_sigpending_tsk+0x180/0x180 [ 223.125746] ? kasan_check_write+0x14/0x20 [ 223.129991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.134851] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.140250] warn_alloc_show_mem: 1 callbacks suppressed [ 223.140262] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 223.140264] Mem-Info: [ 223.140294] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 223.140294] active_file:17 inactive_file:11 isolated_file:5 [ 223.140294] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.140294] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 223.140294] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 223.140294] free:13528 free_pcp:440 free_cma:0 [ 223.145655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.152846] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.155250] Call Trace: [ 223.188139] Node 0 [ 223.197487] [ 223.225256] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 223.227810] dump_stack+0x1c4/0x2b4 [ 223.230027] lowmem_reserve[]: [ 223.232178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.257648] 0 2815 [ 223.261293] warn_alloc.cold.118+0xb7/0x1bd [ 223.264367] 6318 [ 223.269556] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.271763] 6318 [ 223.276092] ? lock_downgrade+0x900/0x900 [ 223.278132] Node 0 [ 223.282973] ? trace_hardirqs_off+0xb8/0x300 [ 223.285035] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 223.289155] ? trace_hardirqs_off+0xb8/0x300 [ 223.291368] lowmem_reserve[]: [ 223.295778] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.322904] 0 [ 223.327337] ? warn_alloc+0x120/0x120 [ 223.330400] 0 [ 223.335236] ? warn_alloc+0x120/0x120 [ 223.337024] 3503 [ 223.340821] ? print_usage_bug+0xc0/0xc0 [ 223.342600] 3503 [ 223.346396] ? warn_alloc+0x120/0x120 [ 223.352493] ? print_usage_bug+0xc0/0xc0 [ 223.354538] Node 0 [ 223.358350] ? __lock_acquire+0x7ec/0x4ec0 [ 223.362445] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 223.364659] ? __lock_acquire+0x7ec/0x4ec0 [ 223.368861] lowmem_reserve[]: 0 [ 223.397349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.401571] 0 [ 223.404868] ? should_fail+0x22d/0xd01 [ 223.410382] 0 [ 223.412194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.416076] 0 [ 223.417878] ? __lock_acquire+0x7ec/0x4ec0 [ 223.424783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.428994] Node 0 [ 223.434083] ? __lock_acquire+0x7ec/0x4ec0 [ 223.434093] DMA: [ 223.436328] ? should_fail+0x22d/0xd01 [ 223.440540] 1*4kB [ 223.442629] ? mark_held_locks+0x130/0x130 [ 223.446487] (U) [ 223.448640] ? mark_held_locks+0x130/0x130 [ 223.452851] 0*8kB [ 223.454830] ? graph_lock+0x170/0x170 [ 223.459046] 0*16kB [ 223.461189] ? graph_lock+0x170/0x170 [ 223.464965] 1*32kB [ 223.467196] ? graph_lock+0x170/0x170 [ 223.470984] (U) [ 223.473218] ? print_usage_bug+0xc0/0xc0 [ 223.477011] 2*64kB [ 223.478985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.483025] (U) [ 223.485257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.490767] 1*128kB [ 223.492736] ? check_preemption_disabled+0x48/0x200 [ 223.498273] (U) [ 223.500595] ? check_preemption_disabled+0x48/0x200 [ 223.505587] 1*256kB [ 223.507743] ? __lock_is_held+0xb5/0x140 [ 223.512732] (U) [ 223.515055] __alloc_pages_nodemask+0xa80/0xde0 [ 223.519089] 0*512kB [ 223.521058] ? graph_lock+0x170/0x170 [ 223.525703] 1*1024kB [ 223.528038] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.531809] (U) 1*2048kB [ 223.534223] ? graph_lock+0x170/0x170 [ 223.539241] (M) [ 223.542004] ? find_held_lock+0x36/0x1c0 [ 223.545778] 3*4096kB [ 223.547759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.551806] (M) [ 223.554212] ? lock_downgrade+0x900/0x900 [ 223.558863] = 15908kB [ 223.560836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.564975] Node 0 [ 223.567389] cache_grow_begin+0x91/0x8c0 [ 223.572898] DMA32: [ 223.575130] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.579169] 4*4kB [ 223.581406] fallback_alloc+0x203/0x2e0 [ 223.585790] (UM) [ 223.587942] ____cache_alloc_node+0x1c7/0x1e0 [ 223.591894] 3*8kB [ 223.593956] kmem_cache_alloc_node+0xe3/0x730 [ 223.598418] (UM) 1*16kB [ 223.600571] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.605038] (M) [ 223.607713] __alloc_skb+0x119/0x770 [ 223.611910] 2*32kB (UM) [ 223.613893] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.617584] 3*64kB (UM) [ 223.620255] ? skb_scrub_packet+0x490/0x490 [ 223.625520] 4*128kB (UM) [ 223.628236] ? lock_downgrade+0x900/0x900 [ 223.632539] 2*256kB (M) [ 223.635306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.639426] 4*512kB [ 223.642091] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.647595] (UM) 3*1024kB [ 223.649927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.655350] (M) [ 223.658194] ? addrconf_rs_timer+0x6f0/0x6f0 [ 223.663618] 1*2048kB [ 223.665596] ndisc_alloc_skb+0x144/0x340 [ 223.669971] (M) [ 223.672387] ndisc_send_rs+0x331/0x6e0 [ 223.676427] 4*4096kB [ 223.678401] addrconf_rs_timer+0x3c0/0x6f0 [ 223.682262] (M) [ 223.684691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.688900] = 24888kB [ 223.690879] call_timer_fn+0x272/0x920 [ 223.695085] Node 0 [ 223.697491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.701373] Normal: [ 223.703626] ? process_timeout+0x40/0x40 [ 223.707838] 1035*4kB [ 223.710167] ? find_held_lock+0x36/0x1c0 [ 223.714205] (MEH) [ 223.716619] ? __run_timers+0x7da/0xc70 [ 223.720652] 457*8kB [ 223.722800] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.726756] (UMEH) [ 223.729090] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.733559] 163*16kB (MEH) [ 223.735803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.740276] 58*32kB (UMEH) [ 223.743226] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 223.747438] 13*64kB (UMH) [ 223.750462] ? trace_hardirqs_on+0xbd/0x310 [ 223.755025] 2*128kB (H) [ 223.757875] ? kasan_check_read+0x11/0x20 [ 223.762170] 0*256kB 0*512kB [ 223.764851] ? __run_timers+0x7da/0xc70 [ 223.768987] 0*1024kB [ 223.772013] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.775990] 0*2048kB [ 223.778398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.783826] 0*4096kB [ 223.786245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.790453] = 13348kB [ 223.792862] __run_timers+0x7e5/0xc70 [ 223.797082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 223.799493] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.803277] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 223.812116] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.817485] 412 total pagecache pages [ 223.826059] ? graph_lock+0x170/0x170 [ 223.831058] 0 pages in swap cache [ 223.834850] ? enqueue_hrtimer+0x1a5/0x560 [ 223.838634] Swap cache stats: add 0, delete 0, find 0/0 [ 223.838643] Free swap = 0kB [ 223.842090] ? lock_release+0x970/0x970 [ 223.842107] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.846323] Total swap = 0kB [ 223.846332] 1965979 pages RAM [ 223.851694] ? find_held_lock+0x36/0x1c0 [ 223.854683] 0 pages HighMem/MovableOnly [ 223.854692] 343323 pages reserved [ 223.858661] ? graph_lock+0x170/0x170 [ 223.863828] 0 pages cma reserved [ 223.863908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.866858] ? pvclock_read_flags+0x160/0x160 [ 223.870041] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.874017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.877971] syz-executor3 cpuset= [ 223.881436] ? check_preemption_disabled+0x48/0x200 [ 223.885213] syz3 [ 223.888591] ? __lock_is_held+0xb5/0x140 [ 223.895211] mems_allowed=0 [ 223.899697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.938608] ? check_preemption_disabled+0x48/0x200 [ 223.943631] run_timer_softirq+0x52/0xb0 [ 223.947695] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.952714] __do_softirq+0x30b/0xad8 [ 223.956534] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.961644] ? pvclock_read_flags+0x160/0x160 [ 223.966151] ? lapic_next_event+0x5a/0x90 [ 223.970299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.975837] ? check_preemption_disabled+0x48/0x200 [ 223.980849] ? check_preemption_disabled+0x48/0x200 [ 223.985874] ? kvm_clock_read+0x18/0x30 [ 223.989862] ? kvm_sched_clock_read+0x9/0x20 [ 223.994294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.999828] ? check_preemption_disabled+0x48/0x200 [ 224.004859] irq_exit+0x17f/0x1c0 [ 224.008323] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.013174] ? smp_reschedule_interrupt+0x109/0x650 [ 224.018202] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.024101] ? interrupt_entry+0xb5/0xf0 [ 224.028173] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.033192] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.038208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.043053] ? trace_hardirqs_off+0x300/0x300 [ 224.047545] ? trace_hardirqs_off+0x300/0x300 [ 224.052043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.057582] ? check_preemption_disabled+0x48/0x200 [ 224.062597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.068156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.073017] apic_timer_interrupt+0xf/0x20 [ 224.077245] [ 224.079486] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 224.084420] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 224.103322] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 224.111032] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 224.118317] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 224.125592] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 224.132855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 224.140121] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 224.147472] skb_clone+0x1bb/0x500 [ 224.151020] ? finish_task_switch+0x1b5/0x900 [ 224.155524] ? skb_split+0x11e0/0x11e0 [ 224.159411] ? preempt_notifier_register+0x200/0x200 [ 224.164521] ? __switch_to_asm+0x34/0x70 [ 224.168582] ? __switch_to_asm+0x34/0x70 [ 224.172640] ? __switch_to_asm+0x40/0x70 [ 224.176697] ? __switch_to_asm+0x34/0x70 [ 224.180758] ? __switch_to_asm+0x40/0x70 [ 224.184825] ? __switch_to_asm+0x34/0x70 [ 224.188880] ? __switch_to_asm+0x40/0x70 [ 224.192965] ? __switch_to_asm+0x34/0x70 [ 224.197037] ? __switch_to_asm+0x34/0x70 [ 224.201095] ? __switch_to_asm+0x40/0x70 [ 224.205156] ? __switch_to_asm+0x34/0x70 [ 224.209233] bpf_clone_redirect+0xb9/0x490 [ 224.213471] ? __schedule+0x874/0x1ed0 [ 224.217377] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 224.222399] ? __sched_text_start+0x8/0x8 [ 224.226559] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.231328] ? find_held_lock+0x36/0x1c0 [ 224.235397] ? lock_acquire+0x1ed/0x520 [ 224.239371] ? bpf_test_run+0x32e/0x5a0 [ 224.243358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.248905] ? check_preemption_disabled+0x48/0x200 [ 224.253925] ? kasan_check_read+0x11/0x20 [ 224.258099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.263403] ? rcu_bh_qs+0xc0/0xc0 [ 224.266968] ? preempt_schedule+0x4d/0x60 [ 224.271153] ? ___preempt_schedule+0x16/0x18 [ 224.275565] ? bpf_test_run+0x1c0/0x5a0 [ 224.279549] ? netlink_diag_dump+0x2a0/0x2a0 [ 224.283971] ? bpf_prog_test_run_skb+0x295/0xb40 [ 224.288735] ? bpf_prog_test_run_skb+0x634/0xb40 [ 224.293497] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.298348] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.303887] ? fput+0x130/0x1a0 [ 224.307169] ? __bpf_prog_get+0x9b/0x290 [ 224.311226] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.316079] ? bpf_prog_test_run+0x130/0x1a0 [ 224.320488] ? __x64_sys_bpf+0x3d8/0x510 [ 224.324560] ? bpf_prog_get+0x20/0x20 [ 224.328393] ? do_syscall_64+0x1b9/0x820 [ 224.332460] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 224.337822] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.342750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.347606] ? trace_hardirqs_off+0x300/0x300 [ 224.352108] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 224.357123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.362657] ? prepare_exit_to_usermode+0x291/0x3b0 [ 224.367681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.372532] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.377919] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 224.377985] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.385111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.385120] Call Trace: [ 224.391703] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.401204] [ 224.403789] syz-executor3 cpuset= [ 224.414275] dump_stack+0x1c4/0x2b4 [ 224.416405] syz3 [ 224.419852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.423471] mems_allowed=0 [ 224.425449] warn_alloc.cold.118+0xb7/0x1bd [ 224.437846] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.442696] ? lock_downgrade+0x900/0x900 [ 224.446851] ? trace_hardirqs_off+0xb8/0x300 [ 224.451269] ? trace_hardirqs_off+0xb8/0x300 [ 224.455687] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.460561] ? warn_alloc+0x120/0x120 [ 224.464369] ? trace_hardirqs_on+0x310/0x310 [ 224.468777] ? warn_alloc+0x120/0x120 [ 224.472580] ? print_usage_bug+0xc0/0xc0 [ 224.476652] ? warn_alloc+0x120/0x120 [ 224.480454] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 224.485472] ? print_usage_bug+0xc0/0xc0 [ 224.489535] ? __lock_acquire+0x7ec/0x4ec0 [ 224.493768] ? __lock_acquire+0x7ec/0x4ec0 [ 224.498009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.503551] ? should_fail+0x22d/0xd01 [ 224.507443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.512545] ? __lock_acquire+0x7ec/0x4ec0 [ 224.516801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.521901] ? __lock_acquire+0x7ec/0x4ec0 [ 224.526133] ? should_fail+0x22d/0xd01 [ 224.530038] ? print_usage_bug+0xc0/0xc0 [ 224.534118] ? mark_held_locks+0x130/0x130 [ 224.538375] ? mark_held_locks+0x130/0x130 [ 224.542618] ? graph_lock+0x170/0x170 [ 224.546417] ? print_usage_bug+0xc0/0xc0 [ 224.550484] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.555253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.560795] ? check_preemption_disabled+0x48/0x200 [ 224.565813] ? check_preemption_disabled+0x48/0x200 [ 224.570839] ? __lock_is_held+0xb5/0x140 [ 224.574906] __alloc_pages_nodemask+0xa80/0xde0 [ 224.579586] ? graph_lock+0x170/0x170 [ 224.583421] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.588437] ? graph_lock+0x170/0x170 [ 224.592269] ? find_held_lock+0x36/0x1c0 [ 224.596342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.601054] ? lock_downgrade+0x900/0x900 [ 224.605240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.610788] cache_grow_begin+0x91/0x8c0 [ 224.614853] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.619271] fallback_alloc+0x203/0x2e0 [ 224.623258] ____cache_alloc_node+0x1c7/0x1e0 [ 224.627773] kmem_cache_alloc_node+0xe3/0x730 [ 224.632285] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.636529] __alloc_skb+0x119/0x770 [ 224.640250] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.645537] ? skb_scrub_packet+0x490/0x490 [ 224.649858] ? lock_downgrade+0x900/0x900 [ 224.654030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.659571] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.665051] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.670519] ? addrconf_rs_timer+0x6f0/0x6f0 [ 224.674945] ndisc_alloc_skb+0x144/0x340 [ 224.679062] ndisc_send_rs+0x331/0x6e0 [ 224.682955] addrconf_rs_timer+0x3c0/0x6f0 [ 224.687207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.691465] call_timer_fn+0x272/0x920 [ 224.695368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.699618] ? process_timeout+0x40/0x40 [ 224.703681] ? find_held_lock+0x36/0x1c0 [ 224.707750] ? __run_timers+0x7da/0xc70 [ 224.711728] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.716234] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.720734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.724994] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.729582] ? trace_hardirqs_on+0xbd/0x310 [ 224.733902] ? kasan_check_read+0x11/0x20 [ 224.738060] ? __run_timers+0x7da/0xc70 [ 224.742041] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.747501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.751746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.755985] __run_timers+0x7e5/0xc70 [ 224.759802] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.765167] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.770195] ? graph_lock+0x170/0x170 [ 224.774011] ? enqueue_hrtimer+0x1a5/0x560 [ 224.778248] ? lock_release+0x970/0x970 [ 224.782247] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.787448] ? find_held_lock+0x36/0x1c0 [ 224.791515] ? graph_lock+0x170/0x170 [ 224.795316] ? pvclock_read_flags+0x160/0x160 [ 224.799825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.805363] ? check_preemption_disabled+0x48/0x200 [ 224.810390] ? __lock_is_held+0xb5/0x140 [ 224.814451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.819990] ? check_preemption_disabled+0x48/0x200 [ 224.825027] run_timer_softirq+0x52/0xb0 [ 224.829101] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.834119] __do_softirq+0x30b/0xad8 [ 224.837930] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.843052] ? pvclock_read_flags+0x160/0x160 [ 224.847549] ? lapic_next_event+0x5a/0x90 [ 224.851700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.857249] ? check_preemption_disabled+0x48/0x200 [ 224.862269] ? check_preemption_disabled+0x48/0x200 [ 224.867297] ? kvm_clock_read+0x18/0x30 [ 224.871269] ? kvm_sched_clock_read+0x9/0x20 [ 224.875691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.881246] ? check_preemption_disabled+0x48/0x200 [ 224.886321] irq_exit+0x17f/0x1c0 [ 224.889780] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.894623] ? smp_reschedule_interrupt+0x109/0x650 [ 224.899643] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.905537] ? interrupt_entry+0xb5/0xf0 [ 224.909601] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.914620] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.919648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.924514] ? trace_hardirqs_off+0x300/0x300 [ 224.929010] ? trace_hardirqs_off+0x300/0x300 [ 224.933504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.939040] ? check_preemption_disabled+0x48/0x200 [ 224.944051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.949593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.954441] apic_timer_interrupt+0xf/0x20 [ 224.958670] [ 224.960907] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 224.965838] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 224.984736] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 224.992444] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 224.999708] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 225.006971] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 225.014244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 225.021512] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 225.028823] skb_clone+0x1bb/0x500 [ 225.032369] ? finish_task_switch+0x664/0x900 [ 225.036878] ? skb_split+0x11e0/0x11e0 [ 225.040770] ? preempt_notifier_register+0x200/0x200 [ 225.045882] ? __switch_to_asm+0x34/0x70 [ 225.049944] ? __switch_to_asm+0x34/0x70 [ 225.054008] ? __switch_to_asm+0x40/0x70 [ 225.058070] ? __switch_to_asm+0x34/0x70 [ 225.062131] ? __switch_to_asm+0x40/0x70 [ 225.066189] ? __switch_to_asm+0x34/0x70 [ 225.070266] ? __switch_to_asm+0x40/0x70 [ 225.074335] ? __switch_to_asm+0x34/0x70 [ 225.078403] ? __switch_to_asm+0x34/0x70 [ 225.082464] ? __switch_to_asm+0x40/0x70 [ 225.086522] ? __switch_to_asm+0x34/0x70 [ 225.090618] bpf_clone_redirect+0xb9/0x490 [ 225.094865] ? __schedule+0x874/0x1ed0 [ 225.098762] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 225.103785] ? __sched_text_start+0x8/0x8 [ 225.107938] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.112709] ? find_held_lock+0x36/0x1c0 [ 225.116809] ? lock_acquire+0x1ed/0x520 [ 225.120793] ? bpf_test_run+0x32e/0x5a0 [ 225.124768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.130306] ? check_preemption_disabled+0x48/0x200 [ 225.135326] ? kasan_check_read+0x11/0x20 [ 225.139490] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.144771] ? rcu_bh_qs+0xc0/0xc0 [ 225.148317] ? preempt_schedule+0x4d/0x60 [ 225.152466] ? ___preempt_schedule+0x16/0x18 [ 225.156881] ? bpf_test_run+0x1c0/0x5a0 [ 225.160866] ? netlink_diag_dump+0x2a0/0x2a0 [ 225.165278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.170813] ? bpf_test_init.isra.9+0x70/0x100 [ 225.175399] ? bpf_prog_test_run_skb+0x634/0xb40 [ 225.180164] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.185012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 225.190546] ? fput+0x130/0x1a0 [ 225.193826] ? __bpf_prog_get+0x9b/0x290 [ 225.197896] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.202741] ? bpf_prog_test_run+0x130/0x1a0 [ 225.207155] ? __x64_sys_bpf+0x3d8/0x510 [ 225.211214] ? bpf_prog_get+0x20/0x20 [ 225.215047] ? ksys_ioctl+0x81/0xd0 [ 225.218687] ? do_syscall_64+0x1b9/0x820 [ 225.222751] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 225.228117] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.233045] ? trace_hardirqs_off+0x300/0x300 [ 225.237541] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 225.242561] ? recalc_sigpending_tsk+0x180/0x180 [ 225.247323] ? kasan_check_write+0x14/0x20 [ 225.251571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.256422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.261812] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 225.261818] warn_alloc_show_mem: 1 callbacks suppressed [ 225.261826] Mem-Info: [ 225.269022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.274392] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 225.274392] active_file:17 inactive_file:11 isolated_file:5 [ 225.274392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.274392] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 225.274392] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 225.274392] free:13528 free_pcp:440 free_cma:0 [ 225.276767] Call Trace: [ 225.286168] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.319027] [ 225.321624] Node 0 [ 225.349409] dump_stack+0x1c4/0x2b4 [ 225.351559] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.353771] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.357369] lowmem_reserve[]: 0 [ 225.382889] warn_alloc.cold.118+0xb7/0x1bd [ 225.388048] 2815 [ 225.391347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.395642] 6318 [ 225.397699] ? lock_downgrade+0x900/0x900 [ 225.402511] 6318 [ 225.404583] ? trace_hardirqs_off+0xb8/0x300 [ 225.408707] Node 0 [ 225.410765] ? trace_hardirqs_off+0xb8/0x300 [ 225.415174] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 225.417387] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.421763] lowmem_reserve[]: 0 [ 225.448945] ? warn_alloc+0x120/0x120 [ 225.453740] 0 [ 225.457022] ? trace_hardirqs_on+0x310/0x310 [ 225.460797] 3503 [ 225.462591] ? warn_alloc+0x120/0x120 [ 225.466982] 3503 [ 225.469050] ? print_usage_bug+0xc0/0xc0 [ 225.472835] Node 0 [ 225.474908] ? warn_alloc+0x120/0x120 [ 225.478979] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 225.481188] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 225.484954] lowmem_reserve[]: 0 [ 225.513618] ? print_usage_bug+0xc0/0xc0 [ 225.518611] 0 [ 225.521896] ? __lock_acquire+0x7ec/0x4ec0 [ 225.525947] 0 [ 225.527769] ? __lock_acquire+0x7ec/0x4ec0 [ 225.531992] 0 [ 225.533795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.539801] ? should_fail+0x22d/0xd01 [ 225.545311] Node 0 DMA: [ 225.549219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.549243] ? __lock_acquire+0x7ec/0x4ec0 [ 225.551895] 1*4kB [ 225.556991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.561219] (U) [ 225.563366] ? __lock_acquire+0x7ec/0x4ec0 [ 225.568445] 0*8kB [ 225.570516] ? should_fail+0x22d/0xd01 [ 225.574730] 0*16kB 1*32kB [ 225.576891] ? print_usage_bug+0xc0/0xc0 [ 225.580756] (U) [ 225.583600] ? mark_held_locks+0x130/0x130 [ 225.587637] 2*64kB [ 225.589648] ? mark_held_locks+0x130/0x130 [ 225.593857] (U) [ 225.596107] ? graph_lock+0x170/0x170 [ 225.600321] 1*128kB (U) [ 225.602315] ? print_usage_bug+0xc0/0xc0 [ 225.606102] 1*256kB (U) [ 225.608786] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.608804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.612858] 0*512kB [ 225.615528] ? check_preemption_disabled+0x48/0x200 [ 225.620260] 1*1024kB [ 225.625817] ? check_preemption_disabled+0x48/0x200 [ 225.628118] (U) [ 225.633136] ? __lock_is_held+0xb5/0x140 [ 225.635511] 1*2048kB (M) [ 225.640540] __alloc_pages_nodemask+0xa80/0xde0 [ 225.642488] 3*4096kB (M) [ 225.646557] ? graph_lock+0x170/0x170 [ 225.649296] = 15908kB [ 225.654024] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.656766] Node 0 [ 225.660574] ? graph_lock+0x170/0x170 [ 225.662964] DMA32: [ 225.667982] ? find_held_lock+0x36/0x1c0 [ 225.670193] 4*4kB [ 225.673994] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.676208] (UM) [ 225.680265] ? lock_downgrade+0x900/0x900 [ 225.682400] 3*8kB [ 225.687065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.689100] (UM) [ 225.693252] cache_grow_begin+0x91/0x8c0 [ 225.695373] 1*16kB (M) [ 225.700949] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.702988] 2*32kB [ 225.707068] fallback_alloc+0x203/0x2e0 [ 225.709626] (UM) [ 225.714034] ____cache_alloc_node+0x1c7/0x1e0 [ 225.716258] 3*64kB [ 225.720230] kmem_cache_alloc_node+0xe3/0x730 [ 225.722271] (UM) [ 225.726766] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.728982] 4*128kB [ 225.733478] __alloc_skb+0x119/0x770 [ 225.735506] (UM) 2*256kB [ 225.739751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.742051] (M) 4*512kB [ 225.745770] ? skb_scrub_packet+0x490/0x490 [ 225.748507] (UM) 3*1024kB [ 225.753786] ? lock_downgrade+0x900/0x900 [ 225.756435] (M) [ 225.760761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.763924] 1*2048kB (M) [ 225.768078] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.770038] 4*4096kB [ 225.775616] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.778342] (M) = 24888kB [ 225.783797] ? addrconf_rs_timer+0x6f0/0x6f0 [ 225.786186] Node 0 [ 225.791649] ndisc_alloc_skb+0x144/0x340 [ 225.794376] Normal: [ 225.798778] ndisc_send_rs+0x331/0x6e0 [ 225.800989] 1035*4kB [ 225.805048] addrconf_rs_timer+0x3c0/0x6f0 [ 225.807343] (MEH) 457*8kB [ 225.811235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.813622] (UMEH) 163*16kB [ 225.817871] call_timer_fn+0x272/0x920 [ 225.820683] (MEH) [ 225.824912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.827914] 58*32kB (UMEH) [ 225.831804] ? process_timeout+0x40/0x40 [ 225.833935] 13*64kB [ 225.838180] ? find_held_lock+0x36/0x1c0 [ 225.838203] ? __run_timers+0x7da/0xc70 [ 225.841109] (UMH) [ 225.845165] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.847464] 2*128kB [ 225.851520] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.855465] (H) 0*256kB [ 225.857620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.862096] 0*512kB 0*1024kB [ 225.864424] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.868889] 0*2048kB 0*4096kB [ 225.871568] ? trace_hardirqs_on+0xbd/0x310 [ 225.875772] = 13348kB [ 225.875787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.878877] ? kasan_check_read+0x11/0x20 [ 225.878907] ? __run_timers+0x7da/0xc70 [ 225.883496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.886683] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.890985] 412 total pagecache pages [ 225.893396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.902211] 0 pages in swap cache [ 225.906350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.910301] Swap cache stats: add 0, delete 0, find 0/0 [ 225.918871] __run_timers+0x7e5/0xc70 [ 225.924296] Free swap = 0kB [ 225.928099] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.932303] Total swap = 0kB [ 225.935751] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.939962] 1965979 pages RAM [ 225.945317] ? graph_lock+0x170/0x170 [ 225.949090] 0 pages HighMem/MovableOnly [ 225.949099] 343323 pages reserved [ 225.952111] ? enqueue_hrtimer+0x1a5/0x560 [ 225.957452] 0 pages cma reserved [ 225.960465] ? lock_release+0x970/0x970 [ 225.965543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.968549] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.968569] ? find_held_lock+0x36/0x1c0 [ 225.968600] ? graph_lock+0x170/0x170 [ 225.972434] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.976344] ? pvclock_read_flags+0x160/0x160 [ 225.979779] syz-executor3 cpuset= [ 225.984008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.987352] syz3 [ 225.991320] ? check_preemption_disabled+0x48/0x200 [ 225.997791] mems_allowed=0 [ 226.002982] ? __lock_is_held+0xb5/0x140 [ 226.048686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.054221] ? check_preemption_disabled+0x48/0x200 [ 226.059249] run_timer_softirq+0x52/0xb0 [ 226.063313] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.068343] __do_softirq+0x30b/0xad8 [ 226.072158] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.077277] ? pvclock_read_flags+0x160/0x160 [ 226.081769] ? lapic_next_event+0x5a/0x90 [ 226.085916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.091467] ? check_preemption_disabled+0x48/0x200 [ 226.096668] ? check_preemption_disabled+0x48/0x200 [ 226.101692] ? kvm_clock_read+0x18/0x30 [ 226.105669] ? kvm_sched_clock_read+0x9/0x20 [ 226.110077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.115611] ? check_preemption_disabled+0x48/0x200 [ 226.120639] irq_exit+0x17f/0x1c0 [ 226.124107] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.128949] ? smp_reschedule_interrupt+0x109/0x650 [ 226.133969] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.139851] ? interrupt_entry+0xb5/0xf0 [ 226.143911] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.148924] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.153943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.158788] ? trace_hardirqs_off+0x300/0x300 [ 226.163283] ? trace_hardirqs_off+0x300/0x300 [ 226.167777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.173321] ? check_preemption_disabled+0x48/0x200 [ 226.178339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.183889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.188741] apic_timer_interrupt+0xf/0x20 [ 226.192971] [ 226.195209] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.200138] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 226.219037] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 226.226746] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 226.234013] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 226.241311] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 226.248580] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 226.255847] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 226.263173] skb_clone+0x1bb/0x500 [ 226.266713] ? finish_task_switch+0x1b5/0x900 [ 226.271219] ? skb_split+0x11e0/0x11e0 [ 226.275109] ? preempt_notifier_register+0x200/0x200 [ 226.280259] ? __switch_to_asm+0x34/0x70 [ 226.284319] ? __switch_to_asm+0x34/0x70 [ 226.288377] ? __switch_to_asm+0x40/0x70 [ 226.292448] ? __switch_to_asm+0x34/0x70 [ 226.296511] ? __switch_to_asm+0x40/0x70 [ 226.300568] ? __switch_to_asm+0x34/0x70 [ 226.304641] ? __switch_to_asm+0x40/0x70 [ 226.308704] ? __switch_to_asm+0x34/0x70 [ 226.312765] ? __switch_to_asm+0x34/0x70 [ 226.316825] ? __switch_to_asm+0x40/0x70 [ 226.320886] ? __switch_to_asm+0x34/0x70 [ 226.324956] bpf_clone_redirect+0xb9/0x490 [ 226.329192] ? __schedule+0x874/0x1ed0 [ 226.333089] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 226.338118] ? __sched_text_start+0x8/0x8 [ 226.342275] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.347036] ? find_held_lock+0x36/0x1c0 [ 226.351101] ? lock_acquire+0x1ed/0x520 [ 226.355105] ? bpf_test_run+0x32e/0x5a0 [ 226.359105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.364651] ? check_preemption_disabled+0x48/0x200 [ 226.369669] ? kasan_check_read+0x11/0x20 [ 226.373821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.379097] ? rcu_bh_qs+0xc0/0xc0 [ 226.382648] ? preempt_schedule+0x4d/0x60 [ 226.386797] ? ___preempt_schedule+0x16/0x18 [ 226.391227] ? bpf_test_run+0x1c0/0x5a0 [ 226.395214] ? netlink_diag_dump+0x2a0/0x2a0 [ 226.400118] ? bpf_prog_test_run_skb+0x295/0xb40 [ 226.404884] ? bpf_prog_test_run_skb+0x634/0xb40 [ 226.409652] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.414512] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.420050] ? fput+0x130/0x1a0 [ 226.423333] ? __bpf_prog_get+0x9b/0x290 [ 226.427402] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.432290] ? bpf_prog_test_run+0x130/0x1a0 [ 226.436713] ? __x64_sys_bpf+0x3d8/0x510 [ 226.440777] ? bpf_prog_get+0x20/0x20 [ 226.444626] ? do_syscall_64+0x1b9/0x820 [ 226.448708] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.454075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.459004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.463852] ? trace_hardirqs_off+0x300/0x300 [ 226.468358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.473378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.478917] ? prepare_exit_to_usermode+0x291/0x3b0 [ 226.483967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.488814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.494209] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 226.494299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.501409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.501415] Call Trace: [ 226.501421] [ 226.501437] dump_stack+0x1c4/0x2b4 [ 226.501457] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.508023] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.517305] warn_alloc.cold.118+0xb7/0x1bd [ 226.519868] syz-executor3 cpuset= [ 226.522024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.525627] syz3 [ 226.530817] ? lock_downgrade+0x900/0x900 [ 226.541286] mems_allowed=0 [ 226.545629] ? trace_hardirqs_off+0xb8/0x300 [ 226.567295] ? trace_hardirqs_off+0xb8/0x300 [ 226.571721] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.576606] ? warn_alloc+0x120/0x120 [ 226.580422] ? warn_alloc+0x120/0x120 [ 226.584229] ? print_usage_bug+0xc0/0xc0 [ 226.588294] ? warn_alloc+0x120/0x120 [ 226.592110] ? print_usage_bug+0xc0/0xc0 [ 226.596182] ? __lock_acquire+0x7ec/0x4ec0 [ 226.600419] ? __lock_acquire+0x7ec/0x4ec0 [ 226.604668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.610220] ? should_fail+0x22d/0xd01 [ 226.614118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.619226] ? __lock_acquire+0x7ec/0x4ec0 [ 226.623469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.628587] ? __lock_acquire+0x7ec/0x4ec0 [ 226.632825] ? should_fail+0x22d/0xd01 [ 226.636732] ? mark_held_locks+0x130/0x130 [ 226.640978] ? mark_held_locks+0x130/0x130 [ 226.645224] ? graph_lock+0x170/0x170 [ 226.649029] ? graph_lock+0x170/0x170 [ 226.652843] ? graph_lock+0x170/0x170 [ 226.656644] ? print_usage_bug+0xc0/0xc0 [ 226.660709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.666254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.671803] ? check_preemption_disabled+0x48/0x200 [ 226.676822] ? check_preemption_disabled+0x48/0x200 [ 226.681860] ? __lock_is_held+0xb5/0x140 [ 226.685936] __alloc_pages_nodemask+0xa80/0xde0 [ 226.690613] ? graph_lock+0x170/0x170 [ 226.694422] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.699438] ? graph_lock+0x170/0x170 [ 226.703257] ? find_held_lock+0x36/0x1c0 [ 226.707338] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.712022] ? lock_downgrade+0x900/0x900 [ 226.716185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.721734] cache_grow_begin+0x91/0x8c0 [ 226.725804] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.730225] fallback_alloc+0x203/0x2e0 [ 226.734213] ____cache_alloc_node+0x1c7/0x1e0 [ 226.738721] kmem_cache_alloc_node+0xe3/0x730 [ 226.743224] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.747496] __alloc_skb+0x119/0x770 [ 226.751227] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.756512] ? skb_scrub_packet+0x490/0x490 [ 226.760836] ? lock_downgrade+0x900/0x900 [ 226.764992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.770587] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.776047] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.781501] ? addrconf_rs_timer+0x6f0/0x6f0 [ 226.785930] ndisc_alloc_skb+0x144/0x340 [ 226.789999] ndisc_send_rs+0x331/0x6e0 [ 226.793906] addrconf_rs_timer+0x3c0/0x6f0 [ 226.798156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.802420] call_timer_fn+0x272/0x920 [ 226.806318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.810563] ? process_timeout+0x40/0x40 [ 226.814648] ? find_held_lock+0x36/0x1c0 [ 226.818727] ? __run_timers+0x7da/0xc70 [ 226.822709] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.827210] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.831708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.835949] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.840540] ? trace_hardirqs_on+0xbd/0x310 [ 226.844866] ? kasan_check_read+0x11/0x20 [ 226.849116] ? __run_timers+0x7da/0xc70 [ 226.853093] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.858556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.862805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.867042] __run_timers+0x7e5/0xc70 [ 226.870860] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.876229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.881277] ? graph_lock+0x170/0x170 [ 226.885090] ? enqueue_hrtimer+0x1a5/0x560 [ 226.889328] ? lock_release+0x970/0x970 [ 226.893308] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.898509] ? find_held_lock+0x36/0x1c0 [ 226.902582] ? graph_lock+0x170/0x170 [ 226.906386] ? pvclock_read_flags+0x160/0x160 [ 226.910882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.916432] ? check_preemption_disabled+0x48/0x200 [ 226.921459] ? __lock_is_held+0xb5/0x140 [ 226.925518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.931058] ? check_preemption_disabled+0x48/0x200 [ 226.936088] run_timer_softirq+0x52/0xb0 [ 226.940151] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.945172] __do_softirq+0x30b/0xad8 [ 226.948988] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.954108] ? pvclock_read_flags+0x160/0x160 [ 226.958608] ? lapic_next_event+0x5a/0x90 [ 226.962770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.968307] ? check_preemption_disabled+0x48/0x200 [ 226.973335] ? check_preemption_disabled+0x48/0x200 [ 226.978362] ? kvm_clock_read+0x18/0x30 [ 226.982338] ? kvm_sched_clock_read+0x9/0x20 [ 226.986752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.992299] ? check_preemption_disabled+0x48/0x200 [ 226.997341] irq_exit+0x17f/0x1c0 [ 227.000802] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.005659] ? smp_reschedule_interrupt+0x109/0x650 [ 227.010698] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.016588] ? interrupt_entry+0xb5/0xf0 [ 227.020652] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.025665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.030691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.035540] ? trace_hardirqs_off+0x300/0x300 [ 227.040040] ? trace_hardirqs_off+0x300/0x300 [ 227.044543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.050085] ? check_preemption_disabled+0x48/0x200 [ 227.055107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.060658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.065514] apic_timer_interrupt+0xf/0x20 [ 227.069745] [ 227.071988] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 227.076926] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 227.095853] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 227.103578] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 227.110857] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 227.118152] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 227.125449] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 227.132726] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 227.140054] skb_clone+0x1bb/0x500 [ 227.143604] ? finish_task_switch+0x664/0x900 [ 227.148108] ? skb_split+0x11e0/0x11e0 [ 227.152011] ? preempt_notifier_register+0x200/0x200 [ 227.157123] ? __switch_to_asm+0x34/0x70 [ 227.161190] ? __switch_to_asm+0x34/0x70 [ 227.165276] ? __switch_to_asm+0x40/0x70 [ 227.169337] ? __switch_to_asm+0x34/0x70 [ 227.173396] ? __switch_to_asm+0x40/0x70 [ 227.177461] ? __switch_to_asm+0x34/0x70 [ 227.181525] ? __switch_to_asm+0x40/0x70 [ 227.185592] ? __switch_to_asm+0x34/0x70 [ 227.189659] ? __switch_to_asm+0x34/0x70 [ 227.193724] ? __switch_to_asm+0x40/0x70 [ 227.197784] ? __switch_to_asm+0x34/0x70 [ 227.201860] bpf_clone_redirect+0xb9/0x490 [ 227.206107] ? __schedule+0x874/0x1ed0 [ 227.210013] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 227.215045] ? __sched_text_start+0x8/0x8 [ 227.219200] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.223983] ? find_held_lock+0x36/0x1c0 [ 227.228062] ? lock_acquire+0x1ed/0x520 [ 227.232038] ? bpf_test_run+0x32e/0x5a0 [ 227.236022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.241568] ? check_preemption_disabled+0x48/0x200 [ 227.246595] ? kasan_check_read+0x11/0x20 [ 227.250750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.256040] ? rcu_bh_qs+0xc0/0xc0 [ 227.259592] ? preempt_schedule+0x4d/0x60 [ 227.263835] ? ___preempt_schedule+0x16/0x18 [ 227.268269] ? bpf_test_run+0x1c0/0x5a0 [ 227.272273] ? netlink_diag_dump+0x2a0/0x2a0 [ 227.276691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.282264] ? bpf_test_init.isra.9+0x70/0x100 [ 227.286867] ? bpf_prog_test_run_skb+0x634/0xb40 [ 227.291633] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.296495] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.302037] ? fput+0x130/0x1a0 [ 227.305319] ? __bpf_prog_get+0x9b/0x290 [ 227.309383] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.314225] ? bpf_prog_test_run+0x130/0x1a0 [ 227.318664] ? __x64_sys_bpf+0x3d8/0x510 [ 227.322729] ? bpf_prog_get+0x20/0x20 [ 227.326541] ? ksys_ioctl+0x81/0xd0 [ 227.330181] ? do_syscall_64+0x1b9/0x820 [ 227.334250] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 227.339620] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.344558] ? trace_hardirqs_off+0x300/0x300 [ 227.349055] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 227.354072] ? recalc_sigpending_tsk+0x180/0x180 [ 227.358833] ? kasan_check_write+0x14/0x20 [ 227.363083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.367940] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.373334] warn_alloc_show_mem: 1 callbacks suppressed [ 227.373347] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 227.373349] Mem-Info: [ 227.373379] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 227.373379] active_file:17 inactive_file:11 isolated_file:5 [ 227.373379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.373379] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 227.373379] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 227.373379] free:13528 free_pcp:440 free_cma:0 [ 227.378725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.378735] Call Trace: [ 227.385939] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.388343] [ 227.421224] Node 0 [ 227.430599] dump_stack+0x1c4/0x2b4 [ 227.433190] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 227.460949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.463094] lowmem_reserve[]: [ 227.465352] warn_alloc.cold.118+0xb7/0x1bd [ 227.468947] 0 [ 227.494489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.500108] 2815 [ 227.503223] ? lock_downgrade+0x900/0x900 [ 227.508100] 6318 6318 [ 227.509922] ? trace_hardirqs_off+0xb8/0x300 [ 227.516799] ? trace_hardirqs_off+0xb8/0x300 [ 227.520919] Node 0 [ 227.523421] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.527923] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 227.532338] ? warn_alloc+0x120/0x120 [ 227.534523] lowmem_reserve[]: [ 227.539367] ? trace_hardirqs_on+0x310/0x310 [ 227.566502] 0 0 [ 227.570331] ? warn_alloc+0x120/0x120 [ 227.573403] 3503 3503 [ 227.577827] ? print_usage_bug+0xc0/0xc0 [ 227.583583] ? warn_alloc+0x120/0x120 [ 227.586060] Node 0 [ 227.590116] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 227.590138] ? print_usage_bug+0xc0/0xc0 [ 227.593961] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 227.596165] ? __lock_acquire+0x7ec/0x4ec0 [ 227.601172] lowmem_reserve[]: 0 [ 227.605236] ? __lock_acquire+0x7ec/0x4ec0 [ 227.633717] 0 0 [ 227.637990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.641236] 0 [ 227.645473] ? should_fail+0x22d/0xd01 [ 227.647434] Node 0 [ 227.652973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.654750] DMA: 1*4kB [ 227.658652] ? __lock_acquire+0x7ec/0x4ec0 [ 227.660868] (U) [ 227.665973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.668551] 0*8kB [ 227.672782] ? __lock_acquire+0x7ec/0x4ec0 [ 227.674735] 0*16kB [ 227.679827] ? should_fail+0x22d/0xd01 [ 227.679843] ? print_usage_bug+0xc0/0xc0 [ 227.681974] 1*32kB [ 227.686216] ? mark_held_locks+0x130/0x130 [ 227.688430] (U) [ 227.692311] ? mark_held_locks+0x130/0x130 [ 227.696346] 2*64kB (U) [ 227.698594] ? graph_lock+0x170/0x170 [ 227.702803] 1*128kB [ 227.704775] ? print_usage_bug+0xc0/0xc0 [ 227.708984] (U) 1*256kB [ 227.711580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.715353] (U) [ 227.717706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.721745] 0*512kB [ 227.724410] ? check_preemption_disabled+0x48/0x200 [ 227.729137] 1*1024kB (U) [ 227.731123] ? check_preemption_disabled+0x48/0x200 [ 227.736629] 1*2048kB (M) [ 227.738968] ? __lock_is_held+0xb5/0x140 [ 227.743950] 3*4096kB (M) [ 227.746719] __alloc_pages_nodemask+0xa80/0xde0 [ 227.751713] = 15908kB [ 227.754463] ? graph_lock+0x170/0x170 [ 227.758504] Node 0 [ 227.761268] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.765911] DMA32: [ 227.768319] ? graph_lock+0x170/0x170 [ 227.772101] 4*4kB [ 227.774339] ? find_held_lock+0x36/0x1c0 [ 227.779337] (UM) [ 227.781584] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.785366] 3*8kB (UM) [ 227.787547] ? lock_downgrade+0x900/0x900 [ 227.791606] 1*16kB (M) [ 227.793693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.798341] 2*32kB [ 227.800952] cache_grow_begin+0x91/0x8c0 [ 227.805084] (UM) [ 227.807677] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.813210] 3*64kB [ 227.815449] fallback_alloc+0x203/0x2e0 [ 227.819480] (UM) [ 227.821556] ____cache_alloc_node+0x1c7/0x1e0 [ 227.825966] 4*128kB (UM) [ 227.828216] kmem_cache_alloc_node+0xe3/0x730 [ 227.832168] 2*256kB [ 227.834249] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.838719] (M) [ 227.841480] __alloc_skb+0x119/0x770 [ 227.845948] 4*512kB [ 227.848282] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.852491] (UM) [ 227.854467] ? skb_scrub_packet+0x490/0x490 [ 227.858156] 3*1024kB [ 227.860488] ? lock_downgrade+0x900/0x900 [ 227.865733] (M) 1*2048kB [ 227.867812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.872111] (M) [ 227.874523] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.878643] 4*4096kB (M) [ 227.881413] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.886925] = 24888kB [ 227.888902] ? addrconf_rs_timer+0x6f0/0x6f0 [ 227.894325] Node 0 [ 227.897098] ndisc_alloc_skb+0x144/0x340 [ 227.902529] Normal: [ 227.904937] ndisc_send_rs+0x331/0x6e0 [ 227.909318] 1035*4kB [ 227.911554] addrconf_rs_timer+0x3c0/0x6f0 [ 227.915588] (MEH) [ 227.917939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.921828] 457*8kB [ 227.924241] call_timer_fn+0x272/0x920 [ 227.928448] (UMEH) [ 227.930596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.934818] 163*16kB (MEH) [ 227.937150] ? process_timeout+0x40/0x40 [ 227.941027] 58*32kB [ 227.943261] ? find_held_lock+0x36/0x1c0 [ 227.947467] (UMEH) 13*64kB [ 227.950410] ? __run_timers+0x7da/0xc70 [ 227.954444] (UMH) [ 227.956764] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.960810] 2*128kB [ 227.963739] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.967692] (H) [ 227.969844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.974316] 0*256kB [ 227.976635] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 227.981104] 0*512kB [ 227.983077] ? trace_hardirqs_on+0xbd/0x310 [ 227.987287] 0*1024kB [ 227.989606] ? kasan_check_read+0x11/0x20 [ 227.994169] 0*2048kB 0*4096kB [ 227.996528] ? __run_timers+0x7da/0xc70 [ 228.000837] = 13348kB [ 228.003248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.007390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.010570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.014517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.014527] 412 total pagecache pages [ 228.016947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.022377] 0 pages in swap cache [ 228.031207] __run_timers+0x7e5/0xc70 [ 228.035418] Swap cache stats: add 0, delete 0, find 0/0 [ 228.044007] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.047795] Free swap = 0kB [ 228.052031] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.055459] Total swap = 0kB [ 228.059257] ? graph_lock+0x170/0x170 [ 228.064601] 1965979 pages RAM [ 228.069965] ? enqueue_hrtimer+0x1a5/0x560 [ 228.072991] 0 pages HighMem/MovableOnly [ 228.073001] 343323 pages reserved [ 228.078009] ? lock_release+0x970/0x970 [ 228.081022] 0 pages cma reserved [ 228.081095] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.084825] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.088011] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.092142] ? find_held_lock+0x36/0x1c0 [ 228.096092] syz-executor3 cpuset= [ 228.099551] ? graph_lock+0x170/0x170 [ 228.103505] syz3 [ 228.106876] ? pvclock_read_flags+0x160/0x160 [ 228.113351] mems_allowed=0 [ 228.118543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.155203] ? check_preemption_disabled+0x48/0x200 [ 228.160237] ? __lock_is_held+0xb5/0x140 [ 228.164328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.169876] ? check_preemption_disabled+0x48/0x200 [ 228.174901] run_timer_softirq+0x52/0xb0 [ 228.178965] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.183992] __do_softirq+0x30b/0xad8 [ 228.187810] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.192917] ? pvclock_read_flags+0x160/0x160 [ 228.197409] ? lapic_next_event+0x5a/0x90 [ 228.201560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.207097] ? check_preemption_disabled+0x48/0x200 [ 228.212109] ? check_preemption_disabled+0x48/0x200 [ 228.217130] ? kvm_clock_read+0x18/0x30 [ 228.221101] ? kvm_sched_clock_read+0x9/0x20 [ 228.225518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.231058] ? check_preemption_disabled+0x48/0x200 [ 228.236086] irq_exit+0x17f/0x1c0 [ 228.239546] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.244388] ? smp_reschedule_interrupt+0x109/0x650 [ 228.249407] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.255292] ? interrupt_entry+0xb5/0xf0 [ 228.259358] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.264372] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.269391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.274238] ? trace_hardirqs_off+0x300/0x300 [ 228.278740] ? trace_hardirqs_off+0x300/0x300 [ 228.283237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.288779] ? check_preemption_disabled+0x48/0x200 [ 228.293798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.299346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.304203] apic_timer_interrupt+0xf/0x20 [ 228.308434] [ 228.310676] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.315606] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 228.334517] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 228.342238] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 228.349512] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 228.356782] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 228.364051] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 228.371319] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 228.378635] skb_clone+0x1bb/0x500 [ 228.382177] ? finish_task_switch+0x1b5/0x900 [ 228.386674] ? skb_split+0x11e0/0x11e0 [ 228.390563] ? preempt_notifier_register+0x200/0x200 [ 228.395667] ? __switch_to_asm+0x34/0x70 [ 228.400182] ? __switch_to_asm+0x34/0x70 [ 228.404277] ? __switch_to_asm+0x40/0x70 [ 228.408342] ? __switch_to_asm+0x34/0x70 [ 228.412401] ? __switch_to_asm+0x40/0x70 [ 228.416462] ? __switch_to_asm+0x34/0x70 [ 228.420527] ? __switch_to_asm+0x40/0x70 [ 228.424585] ? __switch_to_asm+0x34/0x70 [ 228.428643] ? __switch_to_asm+0x34/0x70 [ 228.432700] ? __switch_to_asm+0x40/0x70 [ 228.436758] ? __switch_to_asm+0x34/0x70 [ 228.440853] bpf_clone_redirect+0xb9/0x490 [ 228.445084] ? __schedule+0x874/0x1ed0 [ 228.449001] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 228.454032] ? __sched_text_start+0x8/0x8 [ 228.458184] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.462948] ? find_held_lock+0x36/0x1c0 [ 228.467031] ? lock_acquire+0x1ed/0x520 [ 228.471010] ? bpf_test_run+0x32e/0x5a0 [ 228.474987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.480528] ? check_preemption_disabled+0x48/0x200 [ 228.485555] ? kasan_check_read+0x11/0x20 [ 228.489708] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.494998] ? rcu_bh_qs+0xc0/0xc0 [ 228.498550] ? preempt_schedule+0x4d/0x60 [ 228.502697] ? ___preempt_schedule+0x16/0x18 [ 228.507114] ? bpf_test_run+0x1c0/0x5a0 [ 228.511104] ? netlink_diag_dump+0x2a0/0x2a0 [ 228.515524] ? bpf_prog_test_run_skb+0x295/0xb40 [ 228.520313] ? bpf_prog_test_run_skb+0x634/0xb40 [ 228.525082] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.529923] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.535484] ? fput+0x130/0x1a0 [ 228.538769] ? __bpf_prog_get+0x9b/0x290 [ 228.542835] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.547681] ? bpf_prog_test_run+0x130/0x1a0 [ 228.552096] ? __x64_sys_bpf+0x3d8/0x510 [ 228.556222] ? bpf_prog_get+0x20/0x20 [ 228.560054] ? do_syscall_64+0x1b9/0x820 [ 228.564115] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.569495] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.574430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.579286] ? trace_hardirqs_off+0x300/0x300 [ 228.583787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.588809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.594358] ? prepare_exit_to_usermode+0x291/0x3b0 [ 228.599384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.604250] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.609636] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 228.609710] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.616844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.616854] Call Trace: [ 228.623435] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.632683] [ 228.635268] syz-executor3 cpuset= [ 228.645749] dump_stack+0x1c4/0x2b4 [ 228.647873] syz3 [ 228.651325] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.654925] mems_allowed=0 [ 228.665020] warn_alloc.cold.118+0xb7/0x1bd [ 228.669353] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.674209] ? lock_downgrade+0x900/0x900 [ 228.678377] ? trace_hardirqs_off+0xb8/0x300 [ 228.682793] ? trace_hardirqs_off+0xb8/0x300 [ 228.687215] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.692099] ? warn_alloc+0x120/0x120 [ 228.695903] ? trace_hardirqs_on+0x310/0x310 [ 228.700318] ? warn_alloc+0x120/0x120 [ 228.704122] ? print_usage_bug+0xc0/0xc0 [ 228.708184] ? warn_alloc+0x120/0x120 [ 228.712038] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 228.717059] ? print_usage_bug+0xc0/0xc0 [ 228.721134] ? __lock_acquire+0x7ec/0x4ec0 [ 228.725368] ? __lock_acquire+0x7ec/0x4ec0 [ 228.729606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.735147] ? should_fail+0x22d/0xd01 [ 228.739048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.744151] ? __lock_acquire+0x7ec/0x4ec0 [ 228.748394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.753495] ? __lock_acquire+0x7ec/0x4ec0 [ 228.757730] ? should_fail+0x22d/0xd01 [ 228.761619] ? print_usage_bug+0xc0/0xc0 [ 228.765694] ? mark_held_locks+0x130/0x130 [ 228.769937] ? mark_held_locks+0x130/0x130 [ 228.774188] ? graph_lock+0x170/0x170 [ 228.777989] ? print_usage_bug+0xc0/0xc0 [ 228.782057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.786818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.792358] ? check_preemption_disabled+0x48/0x200 [ 228.797374] ? check_preemption_disabled+0x48/0x200 [ 228.802403] ? __lock_is_held+0xb5/0x140 [ 228.806477] __alloc_pages_nodemask+0xa80/0xde0 [ 228.811151] ? graph_lock+0x170/0x170 [ 228.814960] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.819975] ? graph_lock+0x170/0x170 [ 228.823798] ? find_held_lock+0x36/0x1c0 [ 228.827881] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.832554] ? lock_downgrade+0x900/0x900 [ 228.836724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.842281] cache_grow_begin+0x91/0x8c0 [ 228.846350] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.850769] fallback_alloc+0x203/0x2e0 [ 228.854878] ____cache_alloc_node+0x1c7/0x1e0 [ 228.859582] kmem_cache_alloc_node+0xe3/0x730 [ 228.864092] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.868436] __alloc_skb+0x119/0x770 [ 228.872156] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.877441] ? skb_scrub_packet+0x490/0x490 [ 228.881773] ? lock_downgrade+0x900/0x900 [ 228.885935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.891485] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.896947] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.902403] ? addrconf_rs_timer+0x6f0/0x6f0 [ 228.906832] ndisc_alloc_skb+0x144/0x340 [ 228.910904] ndisc_send_rs+0x331/0x6e0 [ 228.914816] addrconf_rs_timer+0x3c0/0x6f0 [ 228.919063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.923313] call_timer_fn+0x272/0x920 [ 228.927207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.931457] ? process_timeout+0x40/0x40 [ 228.935524] ? find_held_lock+0x36/0x1c0 [ 228.939611] ? __run_timers+0x7da/0xc70 [ 228.943589] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.948088] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.952583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.956822] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.961418] ? trace_hardirqs_on+0xbd/0x310 [ 228.965739] ? kasan_check_read+0x11/0x20 [ 228.969896] ? __run_timers+0x7da/0xc70 [ 228.973878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.979352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.983609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.987846] __run_timers+0x7e5/0xc70 [ 228.991660] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.997034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.002052] ? graph_lock+0x170/0x170 [ 229.005861] ? enqueue_hrtimer+0x1a5/0x560 [ 229.010109] ? lock_release+0x970/0x970 [ 229.014081] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.019286] ? find_held_lock+0x36/0x1c0 [ 229.023356] ? graph_lock+0x170/0x170 [ 229.027164] ? pvclock_read_flags+0x160/0x160 [ 229.031667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.037201] ? check_preemption_disabled+0x48/0x200 [ 229.042231] ? __lock_is_held+0xb5/0x140 [ 229.046297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.051833] ? check_preemption_disabled+0x48/0x200 [ 229.056859] run_timer_softirq+0x52/0xb0 [ 229.060924] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.065944] __do_softirq+0x30b/0xad8 [ 229.069777] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.074888] ? pvclock_read_flags+0x160/0x160 [ 229.079384] ? lapic_next_event+0x5a/0x90 [ 229.083539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.089087] ? check_preemption_disabled+0x48/0x200 [ 229.094109] ? check_preemption_disabled+0x48/0x200 [ 229.099145] ? kvm_clock_read+0x18/0x30 [ 229.103125] ? kvm_sched_clock_read+0x9/0x20 [ 229.107547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.113085] ? check_preemption_disabled+0x48/0x200 [ 229.118120] irq_exit+0x17f/0x1c0 [ 229.121578] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.126436] ? smp_reschedule_interrupt+0x109/0x650 [ 229.131464] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.137357] ? interrupt_entry+0xb5/0xf0 [ 229.141435] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.146452] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.151475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.156326] ? trace_hardirqs_off+0x300/0x300 [ 229.160863] ? trace_hardirqs_off+0x300/0x300 [ 229.165416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.170955] ? check_preemption_disabled+0x48/0x200 [ 229.175981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.181537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.186397] apic_timer_interrupt+0xf/0x20 [ 229.190653] [ 229.192899] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 229.197832] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 229.216739] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 229.224463] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 229.231745] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 229.239028] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 229.246305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 229.253581] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.260907] skb_clone+0x1bb/0x500 [ 229.264455] ? finish_task_switch+0x664/0x900 [ 229.268959] ? skb_split+0x11e0/0x11e0 [ 229.272853] ? preempt_notifier_register+0x200/0x200 [ 229.277961] ? __switch_to_asm+0x34/0x70 [ 229.282029] ? __switch_to_asm+0x34/0x70 [ 229.286090] ? __switch_to_asm+0x40/0x70 [ 229.290149] ? __switch_to_asm+0x34/0x70 [ 229.294210] ? __switch_to_asm+0x40/0x70 [ 229.298271] ? __switch_to_asm+0x34/0x70 [ 229.302333] ? __switch_to_asm+0x40/0x70 [ 229.306396] ? __switch_to_asm+0x34/0x70 [ 229.310461] ? __switch_to_asm+0x34/0x70 [ 229.314525] ? __switch_to_asm+0x40/0x70 [ 229.318586] ? __switch_to_asm+0x34/0x70 [ 229.322662] bpf_clone_redirect+0xb9/0x490 [ 229.326903] ? __schedule+0x874/0x1ed0 [ 229.330802] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 229.335829] ? __sched_text_start+0x8/0x8 [ 229.340071] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.344848] ? find_held_lock+0x36/0x1c0 [ 229.348921] ? lock_acquire+0x1ed/0x520 [ 229.352903] ? bpf_test_run+0x32e/0x5a0 [ 229.356894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.362431] ? check_preemption_disabled+0x48/0x200 [ 229.367454] ? kasan_check_read+0x11/0x20 [ 229.371608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.376887] ? rcu_bh_qs+0xc0/0xc0 [ 229.380433] ? preempt_schedule+0x4d/0x60 [ 229.384586] ? ___preempt_schedule+0x16/0x18 [ 229.389003] ? bpf_test_run+0x1c0/0x5a0 [ 229.393001] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.397421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.402961] ? bpf_test_init.isra.9+0x70/0x100 [ 229.407551] ? bpf_prog_test_run_skb+0x634/0xb40 [ 229.412316] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.417158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.422698] ? fput+0x130/0x1a0 [ 229.425980] ? __bpf_prog_get+0x9b/0x290 [ 229.430057] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.434897] ? bpf_prog_test_run+0x130/0x1a0 [ 229.439314] ? __x64_sys_bpf+0x3d8/0x510 [ 229.443379] ? bpf_prog_get+0x20/0x20 [ 229.447190] ? ksys_ioctl+0x81/0xd0 [ 229.450833] ? do_syscall_64+0x1b9/0x820 [ 229.454896] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.460266] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.465208] ? trace_hardirqs_off+0x300/0x300 [ 229.469712] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.474736] ? recalc_sigpending_tsk+0x180/0x180 [ 229.479493] ? kasan_check_write+0x14/0x20 [ 229.483739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.488591] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.493975] warn_alloc_show_mem: 1 callbacks suppressed [ 229.493987] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 229.493989] Mem-Info: [ 229.494027] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 229.494027] active_file:17 inactive_file:11 isolated_file:5 [ 229.494027] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.494027] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 229.494027] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 229.494027] free:13528 free_pcp:440 free_cma:0 [ 229.499363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.499373] Call Trace: [ 229.507076] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 229.509478] [ 229.542348] Node 0 [ 229.551713] dump_stack+0x1c4/0x2b4 [ 229.554300] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 229.582041] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.584170] lowmem_reserve[]: 0 [ 229.586421] warn_alloc.cold.118+0xb7/0x1bd [ 229.590021] 2815 [ 229.616052] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.621225] 6318 [ 229.624512] ? lock_downgrade+0x900/0x900 [ 229.628804] 6318 [ 229.630869] ? trace_hardirqs_off+0xb8/0x300 [ 229.637749] ? trace_hardirqs_off+0xb8/0x300 [ 229.641875] Node 0 [ 229.643957] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.648380] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 229.652787] ? warn_alloc+0x120/0x120 [ 229.654977] lowmem_reserve[]: [ 229.659817] ? trace_hardirqs_on+0x310/0x310 [ 229.686960] 0 0 [ 229.690781] ? warn_alloc+0x120/0x120 [ 229.693862] 3503 [ 229.698264] ? print_usage_bug+0xc0/0xc0 [ 229.700220] 3503 [ 229.704014] ? warn_alloc+0x120/0x120 [ 229.710157] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 229.712198] Node 0 [ 229.715995] ? print_usage_bug+0xc0/0xc0 [ 229.721023] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 229.723225] ? __lock_acquire+0x7ec/0x4ec0 [ 229.727262] lowmem_reserve[]: 0 [ 229.755729] ? __lock_acquire+0x7ec/0x4ec0 [ 229.759943] 0 [ 229.763221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.767435] 0 [ 229.769238] ? should_fail+0x22d/0xd01 [ 229.774751] 0 [ 229.776563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.780425] Node 0 [ 229.782224] ? __lock_acquire+0x7ec/0x4ec0 [ 229.787304] DMA: 1*4kB [ 229.789548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.793757] (U) [ 229.796336] ? __lock_acquire+0x7ec/0x4ec0 [ 229.801419] 0*8kB [ 229.803388] ? should_fail+0x22d/0xd01 [ 229.807599] 0*16kB [ 229.809735] ? print_usage_bug+0xc0/0xc0 [ 229.809759] ? mark_held_locks+0x130/0x130 [ 229.813620] 1*32kB [ 229.815849] ? mark_held_locks+0x130/0x130 [ 229.819890] (U) [ 229.824128] ? graph_lock+0x170/0x170 [ 229.826340] 2*64kB [ 229.830568] ? print_usage_bug+0xc0/0xc0 [ 229.832530] (U) [ 229.836327] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.838539] 1*128kB [ 229.842595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.844550] (U) [ 229.849304] ? check_preemption_disabled+0x48/0x200 [ 229.851600] 1*256kB (U) [ 229.857142] ? check_preemption_disabled+0x48/0x200 [ 229.859090] 0*512kB 1*1024kB [ 229.864119] ? __lock_is_held+0xb5/0x140 [ 229.866755] (U) 1*2048kB [ 229.871780] __alloc_pages_nodemask+0xa80/0xde0 [ 229.874862] (M) [ 229.878915] ? graph_lock+0x170/0x170 [ 229.881650] 3*4096kB [ 229.886311] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.888260] (M) = 15908kB [ 229.892068] ? graph_lock+0x170/0x170 [ 229.894458] Node 0 [ 229.899475] ? find_held_lock+0x36/0x1c0 [ 229.902202] DMA32: [ 229.906013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.908237] 4*4kB [ 229.912282] ? lock_downgrade+0x900/0x900 [ 229.914502] (UM) [ 229.919170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.921292] 3*8kB [ 229.925434] cache_grow_begin+0x91/0x8c0 [ 229.927473] (UM) [ 229.933006] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.935139] 1*16kB [ 229.939208] fallback_alloc+0x203/0x2e0 [ 229.941261] (M) [ 229.945678] ____cache_alloc_node+0x1c7/0x1e0 [ 229.947893] 2*32kB [ 229.951862] kmem_cache_alloc_node+0xe3/0x730 [ 229.953812] (UM) [ 229.958377] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.960590] 3*64kB [ 229.965083] __alloc_skb+0x119/0x770 [ 229.967117] (UM) [ 229.971364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.973584] 4*128kB [ 229.977290] ? skb_scrub_packet+0x490/0x490 [ 229.979332] (UM) [ 229.984611] ? lock_downgrade+0x900/0x900 [ 229.986907] 2*256kB (M) [ 229.991238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.993285] 4*512kB [ 229.997430] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.000072] (UM) 3*1024kB [ 230.005621] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.007922] (M) [ 230.013371] ? addrconf_rs_timer+0x6f0/0x6f0 [ 230.016188] 1*2048kB (M) [ 230.021672] ndisc_alloc_skb+0x144/0x340 [ 230.023622] 4*4096kB [ 230.028025] ndisc_send_rs+0x331/0x6e0 [ 230.030761] (M) [ 230.034821] addrconf_rs_timer+0x3c0/0x6f0 [ 230.037218] = 24888kB [ 230.041103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.043057] Node 0 [ 230.047305] call_timer_fn+0x272/0x920 [ 230.049689] Normal: [ 230.053918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.056135] 1035*4kB [ 230.060017] ? process_timeout+0x40/0x40 [ 230.062320] (MEH) [ 230.066553] ? find_held_lock+0x36/0x1c0 [ 230.068941] 457*8kB [ 230.072998] ? __run_timers+0x7da/0xc70 [ 230.075126] (UMEH) [ 230.079180] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.081484] 163*16kB [ 230.085457] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.087759] (MEH) [ 230.092248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.092266] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.094661] 58*32kB [ 230.099151] ? trace_hardirqs_on+0xbd/0x310 [ 230.101278] (UMEH) [ 230.105511] ? kasan_check_read+0x11/0x20 [ 230.110068] 13*64kB [ 230.112391] ? __run_timers+0x7da/0xc70 [ 230.116687] (UMH) [ 230.118925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.123053] 2*128kB [ 230.125381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.129323] (H) [ 230.131475] __run_timers+0x7e5/0xc70 [ 230.136908] 0*256kB [ 230.139237] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.143446] 0*512kB [ 230.145420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.149193] 0*1024kB 0*2048kB [ 230.151532] ? graph_lock+0x170/0x170 [ 230.156874] 0*4096kB [ 230.159195] ? enqueue_hrtimer+0x1a5/0x560 [ 230.164187] = 13348kB [ 230.167372] ? lock_release+0x970/0x970 [ 230.171159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.173559] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.177779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.180184] ? find_held_lock+0x36/0x1c0 [ 230.184131] 412 total pagecache pages [ 230.192985] ? graph_lock+0x170/0x170 [ 230.198175] 0 pages in swap cache [ 230.206743] ? pvclock_read_flags+0x160/0x160 [ 230.210782] Swap cache stats: add 0, delete 0, find 0/0 [ 230.214586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.218365] Free swap = 0kB [ 230.221813] ? check_preemption_disabled+0x48/0x200 [ 230.226291] Total swap = 0kB [ 230.226299] 1965979 pages RAM [ 230.231700] ? __lock_is_held+0xb5/0x140 [ 230.237215] 0 pages HighMem/MovableOnly [ 230.237225] 343323 pages reserved [ 230.240249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.245244] 0 pages cma reserved [ 230.248280] ? check_preemption_disabled+0x48/0x200 [ 230.251425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.255427] run_timer_softirq+0x52/0xb0 [ 230.259483] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.262829] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.268350] syz-executor3 cpuset= [ 230.271716] __do_softirq+0x30b/0xad8 [ 230.276705] syz3 [ 230.283200] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.287227] mems_allowed=0 [ 230.319905] ? pvclock_read_flags+0x160/0x160 [ 230.324402] ? lapic_next_event+0x5a/0x90 [ 230.328564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.334102] ? check_preemption_disabled+0x48/0x200 [ 230.339117] ? check_preemption_disabled+0x48/0x200 [ 230.344133] ? kvm_clock_read+0x18/0x30 [ 230.348133] ? kvm_sched_clock_read+0x9/0x20 [ 230.352544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.358079] ? check_preemption_disabled+0x48/0x200 [ 230.363118] irq_exit+0x17f/0x1c0 [ 230.366586] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.371428] ? smp_reschedule_interrupt+0x109/0x650 [ 230.376447] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.382328] ? interrupt_entry+0xb5/0xf0 [ 230.386390] ? trace_hardirqs_off_caller+0xbb/0x300 [ 230.391406] ? trace_hardirqs_off_caller+0xbb/0x300 [ 230.396426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.401755] ? trace_hardirqs_off+0x300/0x300 [ 230.406291] ? trace_hardirqs_off+0x300/0x300 [ 230.410785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.416322] ? check_preemption_disabled+0x48/0x200 [ 230.421339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.426911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.431762] apic_timer_interrupt+0xf/0x20 [ 230.436001] [ 230.438238] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 230.443166] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 230.462062] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 230.469771] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 230.477035] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 230.484304] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 230.491566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 230.498844] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 230.506162] skb_clone+0x1bb/0x500 [ 230.509707] ? finish_task_switch+0x1b5/0x900 [ 230.514203] ? skb_split+0x11e0/0x11e0 [ 230.518095] ? preempt_notifier_register+0x200/0x200 [ 230.523198] ? __switch_to_asm+0x34/0x70 [ 230.527258] ? __switch_to_asm+0x34/0x70 [ 230.531321] ? __switch_to_asm+0x40/0x70 [ 230.535379] ? __switch_to_asm+0x34/0x70 [ 230.539436] ? __switch_to_asm+0x40/0x70 [ 230.543494] ? __switch_to_asm+0x34/0x70 [ 230.547557] ? __switch_to_asm+0x40/0x70 [ 230.551614] ? __switch_to_asm+0x34/0x70 [ 230.555677] ? __switch_to_asm+0x34/0x70 [ 230.559738] ? __switch_to_asm+0x40/0x70 [ 230.563798] ? __switch_to_asm+0x34/0x70 [ 230.567871] bpf_clone_redirect+0xb9/0x490 [ 230.572108] ? __schedule+0x874/0x1ed0 [ 230.576000] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 230.581018] ? __sched_text_start+0x8/0x8 [ 230.585179] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.589944] ? find_held_lock+0x36/0x1c0 [ 230.594012] ? lock_acquire+0x1ed/0x520 [ 230.597997] ? bpf_test_run+0x32e/0x5a0 [ 230.601969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.607512] ? check_preemption_disabled+0x48/0x200 [ 230.612535] ? kasan_check_read+0x11/0x20 [ 230.616690] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.621982] ? rcu_bh_qs+0xc0/0xc0 [ 230.625552] ? preempt_schedule+0x4d/0x60 [ 230.629703] ? ___preempt_schedule+0x16/0x18 [ 230.634120] ? bpf_test_run+0x1c0/0x5a0 [ 230.638114] ? netlink_diag_dump+0x2a0/0x2a0 [ 230.642532] ? bpf_prog_test_run_skb+0x295/0xb40 [ 230.647294] ? bpf_prog_test_run_skb+0x634/0xb40 [ 230.652052] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.656893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.662425] ? fput+0x130/0x1a0 [ 230.665705] ? __bpf_prog_get+0x9b/0x290 [ 230.669771] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.674615] ? bpf_prog_test_run+0x130/0x1a0 [ 230.679053] ? __x64_sys_bpf+0x3d8/0x510 [ 230.683139] ? bpf_prog_get+0x20/0x20 [ 230.686961] ? do_syscall_64+0x1b9/0x820 [ 230.691023] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.696389] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.701319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.706224] ? trace_hardirqs_off+0x300/0x300 [ 230.710733] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.715748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.721283] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.726309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.731159] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.736562] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 230.736631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.743756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.743762] Call Trace: [ 230.743769] [ 230.743785] dump_stack+0x1c4/0x2b4 [ 230.743805] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.750391] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.759646] warn_alloc.cold.118+0xb7/0x1bd [ 230.762202] syz-executor3 cpuset= [ 230.764347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.767947] syz3 [ 230.773129] ? lock_downgrade+0x900/0x900 [ 230.783590] mems_allowed=0 [ 230.787910] ? trace_hardirqs_off+0xb8/0x300 [ 230.809579] ? trace_hardirqs_off+0xb8/0x300 [ 230.814000] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.818878] ? warn_alloc+0x120/0x120 [ 230.822683] ? trace_hardirqs_on+0x310/0x310 [ 230.827091] ? warn_alloc+0x120/0x120 [ 230.830905] ? print_usage_bug+0xc0/0xc0 [ 230.834970] ? warn_alloc+0x120/0x120 [ 230.838769] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 230.843789] ? print_usage_bug+0xc0/0xc0 [ 230.847853] ? __lock_acquire+0x7ec/0x4ec0 [ 230.852084] ? __lock_acquire+0x7ec/0x4ec0 [ 230.856321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.861863] ? should_fail+0x22d/0xd01 [ 230.865755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.870860] ? __lock_acquire+0x7ec/0x4ec0 [ 230.875099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.880198] ? __lock_acquire+0x7ec/0x4ec0 [ 230.884437] ? should_fail+0x22d/0xd01 [ 230.888320] ? print_usage_bug+0xc0/0xc0 [ 230.892391] ? mark_held_locks+0x130/0x130 [ 230.896657] ? mark_held_locks+0x130/0x130 [ 230.900900] ? graph_lock+0x170/0x170 [ 230.904699] ? print_usage_bug+0xc0/0xc0 [ 230.908760] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.913527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.919067] ? check_preemption_disabled+0x48/0x200 [ 230.924086] ? check_preemption_disabled+0x48/0x200 [ 230.929116] ? __lock_is_held+0xb5/0x140 [ 230.933183] __alloc_pages_nodemask+0xa80/0xde0 [ 230.937853] ? graph_lock+0x170/0x170 [ 230.941660] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.946672] ? graph_lock+0x170/0x170 [ 230.950493] ? find_held_lock+0x36/0x1c0 [ 230.954563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.959250] ? lock_downgrade+0x900/0x900 [ 230.963418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.968964] cache_grow_begin+0x91/0x8c0 [ 230.973043] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.977459] fallback_alloc+0x203/0x2e0 [ 230.981440] ____cache_alloc_node+0x1c7/0x1e0 [ 230.985951] kmem_cache_alloc_node+0xe3/0x730 [ 230.990466] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.994712] __alloc_skb+0x119/0x770 [ 230.998429] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.003718] ? skb_scrub_packet+0x490/0x490 [ 231.008052] ? lock_downgrade+0x900/0x900 [ 231.012207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.017770] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.023245] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.028697] ? addrconf_rs_timer+0x6f0/0x6f0 [ 231.033125] ndisc_alloc_skb+0x144/0x340 [ 231.037192] ndisc_send_rs+0x331/0x6e0 [ 231.041100] addrconf_rs_timer+0x3c0/0x6f0 [ 231.045352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.049600] call_timer_fn+0x272/0x920 [ 231.053492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.057728] ? process_timeout+0x40/0x40 [ 231.061789] ? find_held_lock+0x36/0x1c0 [ 231.065859] ? __run_timers+0x7da/0xc70 [ 231.069839] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.074333] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.078828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.083066] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.087666] ? trace_hardirqs_on+0xbd/0x310 [ 231.091983] ? kasan_check_read+0x11/0x20 [ 231.096137] ? __run_timers+0x7da/0xc70 [ 231.100110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.105563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.109805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.114058] __run_timers+0x7e5/0xc70 [ 231.117872] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.123269] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.128286] ? graph_lock+0x170/0x170 [ 231.132093] ? enqueue_hrtimer+0x1a5/0x560 [ 231.136325] ? lock_release+0x970/0x970 [ 231.140299] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.145501] ? find_held_lock+0x36/0x1c0 [ 231.149573] ? graph_lock+0x170/0x170 [ 231.153376] ? pvclock_read_flags+0x160/0x160 [ 231.157871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.163409] ? check_preemption_disabled+0x48/0x200 [ 231.168437] ? __lock_is_held+0xb5/0x140 [ 231.172502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.178039] ? check_preemption_disabled+0x48/0x200 [ 231.183067] run_timer_softirq+0x52/0xb0 [ 231.187136] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.192157] __do_softirq+0x30b/0xad8 [ 231.195970] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.201074] ? pvclock_read_flags+0x160/0x160 [ 231.205579] ? lapic_next_event+0x5a/0x90 [ 231.209729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.215277] ? check_preemption_disabled+0x48/0x200 [ 231.220304] ? check_preemption_disabled+0x48/0x200 [ 231.225366] ? kvm_clock_read+0x18/0x30 [ 231.229343] ? kvm_sched_clock_read+0x9/0x20 [ 231.233759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.239297] ? check_preemption_disabled+0x48/0x200 [ 231.244324] irq_exit+0x17f/0x1c0 [ 231.247782] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.252638] ? smp_reschedule_interrupt+0x109/0x650 [ 231.257657] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.263571] ? interrupt_entry+0xb5/0xf0 [ 231.267631] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.272662] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.277684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.282527] ? trace_hardirqs_off+0x300/0x300 [ 231.287026] ? trace_hardirqs_off+0x300/0x300 [ 231.291527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.297074] ? check_preemption_disabled+0x48/0x200 [ 231.302101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.307645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.312498] apic_timer_interrupt+0xf/0x20 [ 231.316725] [ 231.318976] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.323919] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 231.342827] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.350535] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.357804] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 231.365070] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 231.372334] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.379615] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.386932] skb_clone+0x1bb/0x500 [ 231.390484] ? finish_task_switch+0x664/0x900 [ 231.394993] ? skb_split+0x11e0/0x11e0 [ 231.398927] ? preempt_notifier_register+0x200/0x200 [ 231.404034] ? __switch_to_asm+0x34/0x70 [ 231.408094] ? __switch_to_asm+0x34/0x70 [ 231.412153] ? __switch_to_asm+0x40/0x70 [ 231.416210] ? __switch_to_asm+0x34/0x70 [ 231.420337] ? __switch_to_asm+0x40/0x70 [ 231.424400] ? __switch_to_asm+0x34/0x70 [ 231.428462] ? __switch_to_asm+0x40/0x70 [ 231.432543] ? __switch_to_asm+0x34/0x70 [ 231.436602] ? __switch_to_asm+0x34/0x70 [ 231.440661] ? __switch_to_asm+0x40/0x70 [ 231.444722] ? __switch_to_asm+0x34/0x70 [ 231.448788] bpf_clone_redirect+0xb9/0x490 [ 231.453027] ? __schedule+0x874/0x1ed0 [ 231.456918] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 231.461933] ? __sched_text_start+0x8/0x8 [ 231.466082] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.470855] ? find_held_lock+0x36/0x1c0 [ 231.474924] ? lock_acquire+0x1ed/0x520 [ 231.478913] ? bpf_test_run+0x32e/0x5a0 [ 231.482899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.488435] ? check_preemption_disabled+0x48/0x200 [ 231.493458] ? kasan_check_read+0x11/0x20 [ 231.497608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.502887] ? rcu_bh_qs+0xc0/0xc0 [ 231.506442] ? preempt_schedule+0x4d/0x60 [ 231.511086] ? ___preempt_schedule+0x16/0x18 [ 231.515504] ? bpf_test_run+0x1c0/0x5a0 [ 231.519506] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.523917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.529455] ? bpf_test_init.isra.9+0x70/0x100 [ 231.534061] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.538826] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.543668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.549211] ? fput+0x130/0x1a0 [ 231.552499] ? __bpf_prog_get+0x9b/0x290 [ 231.556564] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.561405] ? bpf_prog_test_run+0x130/0x1a0 [ 231.565820] ? __x64_sys_bpf+0x3d8/0x510 [ 231.569880] ? bpf_prog_get+0x20/0x20 [ 231.573688] ? ksys_ioctl+0x81/0xd0 [ 231.577328] ? do_syscall_64+0x1b9/0x820 [ 231.581420] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.586791] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.591729] ? trace_hardirqs_off+0x300/0x300 [ 231.596254] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.601284] ? recalc_sigpending_tsk+0x180/0x180 [ 231.606040] ? kasan_check_write+0x14/0x20 [ 231.610283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.615138] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.620521] warn_alloc_show_mem: 1 callbacks suppressed [ 231.620534] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 231.620536] Mem-Info: [ 231.620567] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 231.620567] active_file:17 inactive_file:11 isolated_file:5 [ 231.620567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.620567] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 231.620567] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 231.620567] free:13528 free_pcp:440 free_cma:0 [ 231.625914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.633109] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 231.635515] Call Trace: [ 231.668415] Node 0 [ 231.677782] [ 231.706268] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 231.708840] dump_stack+0x1c4/0x2b4 [ 231.711050] lowmem_reserve[]: [ 231.713196] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.738681] 0 2815 [ 231.742339] warn_alloc.cold.118+0xb7/0x1bd [ 231.745410] 6318 [ 231.750593] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.752808] 6318 [ 231.757123] ? lock_downgrade+0x900/0x900 [ 231.764021] ? trace_hardirqs_off+0xb8/0x300 [ 231.766061] Node 0 [ 231.770205] ? trace_hardirqs_off+0xb8/0x300 [ 231.774615] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 231.776830] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.781220] lowmem_reserve[]: [ 231.808400] ? warn_alloc+0x120/0x120 [ 231.813196] 0 0 [ 231.816316] ? trace_hardirqs_on+0x310/0x310 [ 231.820093] 3503 [ 231.822068] ? warn_alloc+0x120/0x120 [ 231.826455] 3503 [ 231.828521] ? print_usage_bug+0xc0/0xc0 [ 231.832295] Node 0 [ 231.834355] ? warn_alloc+0x120/0x120 [ 231.838432] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 231.840644] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 231.844421] lowmem_reserve[]: [ 231.872874] ? print_usage_bug+0xc0/0xc0 [ 231.877863] 0 [ 231.880964] ? __lock_acquire+0x7ec/0x4ec0 [ 231.885002] 0 [ 231.886815] ? __lock_acquire+0x7ec/0x4ec0 [ 231.891027] 0 [ 231.892829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.897036] 0 [ 231.898835] ? should_fail+0x22d/0xd01 [ 231.906151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.910017] Node 0 DMA: [ 231.915119] ? __lock_acquire+0x7ec/0x4ec0 [ 231.915139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.917819] 1*4kB [ 231.922053] ? __lock_acquire+0x7ec/0x4ec0 [ 231.927128] (U) [ 231.929280] ? should_fail+0x22d/0xd01 [ 231.933487] 0*8kB 0*16kB [ 231.935476] ? print_usage_bug+0xc0/0xc0 [ 231.939335] 1*32kB (U) [ 231.942109] ? mark_held_locks+0x130/0x130 [ 231.946134] 2*64kB (U) [ 231.948725] ? mark_held_locks+0x130/0x130 [ 231.952955] 1*128kB (U) [ 231.955551] ? graph_lock+0x170/0x170 [ 231.959757] 1*256kB (U) [ 231.962437] ? print_usage_bug+0xc0/0xc0 [ 231.966214] 0*512kB [ 231.968895] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.972931] 1*1024kB [ 231.975271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.980002] (U) [ 231.982424] ? check_preemption_disabled+0x48/0x200 [ 231.987937] 1*2048kB [ 231.989907] ? check_preemption_disabled+0x48/0x200 [ 231.994897] (M) [ 231.997315] ? __lock_is_held+0xb5/0x140 [ 232.002296] 3*4096kB (M) [ 232.004289] __alloc_pages_nodemask+0xa80/0xde0 [ 232.008314] = 15908kB [ 232.008324] Node 0 [ 232.011076] ? graph_lock+0x170/0x170 [ 232.015724] DMA32: [ 232.018134] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.020348] 4*4kB [ 232.024142] ? graph_lock+0x170/0x170 [ 232.026355] (UM) [ 232.031374] ? find_held_lock+0x36/0x1c0 [ 232.033486] 3*8kB (UM) [ 232.037314] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.039351] 1*16kB [ 232.043409] ? lock_downgrade+0x900/0x900 [ 232.045969] (M) [ 232.050638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.052852] 2*32kB [ 232.056993] cache_grow_begin+0x91/0x8c0 [ 232.058946] (UM) 3*64kB [ 232.064488] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.066701] (UM) [ 232.070763] fallback_alloc+0x203/0x2e0 [ 232.073410] 4*128kB [ 232.077815] ____cache_alloc_node+0x1c7/0x1e0 [ 232.079851] (UM) [ 232.083822] kmem_cache_alloc_node+0xe3/0x730 [ 232.086121] 2*256kB [ 232.090623] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.092663] (M) [ 232.097164] __alloc_skb+0x119/0x770 [ 232.099456] 4*512kB (UM) [ 232.103701] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.105652] 3*1024kB [ 232.109369] ? skb_scrub_packet+0x490/0x490 [ 232.112101] (M) [ 232.117382] ? lock_downgrade+0x900/0x900 [ 232.119779] 1*2048kB [ 232.124095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.126046] (M) [ 232.130201] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.132580] 4*4096kB (M) [ 232.138132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.140085] = 24888kB [ 232.145537] ? addrconf_rs_timer+0x6f0/0x6f0 [ 232.148270] Node 0 [ 232.153723] ndisc_alloc_skb+0x144/0x340 [ 232.156103] Normal: [ 232.160528] ndisc_send_rs+0x331/0x6e0 [ 232.162735] 1035*4kB [ 232.166794] addrconf_rs_timer+0x3c0/0x6f0 [ 232.169092] (MEH) [ 232.172975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.175353] 457*8kB (UMEH) [ 232.179606] call_timer_fn+0x272/0x920 [ 232.181726] 163*16kB [ 232.185954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.188867] (MEH) [ 232.192752] ? process_timeout+0x40/0x40 [ 232.195139] 58*32kB [ 232.199375] ? find_held_lock+0x36/0x1c0 [ 232.201504] (UMEH) [ 232.205571] ? __run_timers+0x7da/0xc70 [ 232.207866] 13*64kB [ 232.211924] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.214135] (UMH) [ 232.218104] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.220403] 2*128kB (H) [ 232.224919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.227047] 0*256kB [ 232.231548] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.234208] 0*512kB [ 232.238440] ? trace_hardirqs_on+0xbd/0x310 [ 232.240744] 0*1024kB [ 232.245345] ? kasan_check_read+0x11/0x20 [ 232.247644] 0*2048kB 0*4096kB [ 232.251974] ? __run_timers+0x7da/0xc70 [ 232.254367] = 13348kB [ 232.258524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.261699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.265662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.268056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.273497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.282315] 412 total pagecache pages [ 232.286546] __run_timers+0x7e5/0xc70 [ 232.295099] 0 pages in swap cache [ 232.299335] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.303101] Swap cache stats: add 0, delete 0, find 0/0 [ 232.303111] Free swap = 0kB [ 232.306917] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.310346] Total swap = 0kB [ 232.315702] ? graph_lock+0x170/0x170 [ 232.321042] 1965979 pages RAM [ 232.324051] ? enqueue_hrtimer+0x1a5/0x560 [ 232.329040] 0 pages HighMem/MovableOnly [ 232.329049] 343323 pages reserved [ 232.332065] ? lock_release+0x970/0x970 [ 232.335845] 0 pages cma reserved [ 232.338946] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.343218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.347126] ? find_held_lock+0x36/0x1c0 [ 232.350709] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.354541] ? graph_lock+0x170/0x170 [ 232.357885] syz-executor3 cpuset= [ 232.363092] ? pvclock_read_flags+0x160/0x160 [ 232.369667] syz3 [ 232.373731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.384197] mems_allowed=0 [ 232.387994] ? check_preemption_disabled+0x48/0x200 [ 232.411906] ? __lock_is_held+0xb5/0x140 [ 232.415987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.421549] ? check_preemption_disabled+0x48/0x200 [ 232.426591] run_timer_softirq+0x52/0xb0 [ 232.430653] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.435674] __do_softirq+0x30b/0xad8 [ 232.439493] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.444615] ? pvclock_read_flags+0x160/0x160 [ 232.449110] ? lapic_next_event+0x5a/0x90 [ 232.453277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.458816] ? check_preemption_disabled+0x48/0x200 [ 232.463833] ? check_preemption_disabled+0x48/0x200 [ 232.468860] ? kvm_clock_read+0x18/0x30 [ 232.472834] ? kvm_sched_clock_read+0x9/0x20 [ 232.477260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.482806] ? check_preemption_disabled+0x48/0x200 [ 232.487839] irq_exit+0x17f/0x1c0 [ 232.491302] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.496145] ? smp_reschedule_interrupt+0x109/0x650 [ 232.501201] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.507097] ? interrupt_entry+0xb5/0xf0 [ 232.511161] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.516177] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.521207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.526060] ? trace_hardirqs_off+0x300/0x300 [ 232.530557] ? trace_hardirqs_off+0x300/0x300 [ 232.535058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.540596] ? check_preemption_disabled+0x48/0x200 [ 232.545614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.551163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.556022] apic_timer_interrupt+0xf/0x20 [ 232.560264] [ 232.562515] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 232.567448] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 232.586364] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 232.594093] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 232.601378] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 232.608665] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 232.615953] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 232.623245] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 232.630587] skb_clone+0x1bb/0x500 [ 232.634161] ? finish_task_switch+0x1b5/0x900 [ 232.638683] ? skb_split+0x11e0/0x11e0 [ 232.642596] ? preempt_notifier_register+0x200/0x200 [ 232.647719] ? __switch_to_asm+0x34/0x70 [ 232.651813] ? __switch_to_asm+0x34/0x70 [ 232.655893] ? __switch_to_asm+0x40/0x70 [ 232.659975] ? __switch_to_asm+0x34/0x70 [ 232.664062] ? __switch_to_asm+0x40/0x70 [ 232.668145] ? __switch_to_asm+0x34/0x70 [ 232.672251] ? __switch_to_asm+0x40/0x70 [ 232.676332] ? __switch_to_asm+0x34/0x70 [ 232.680414] ? __switch_to_asm+0x34/0x70 [ 232.684504] ? __switch_to_asm+0x40/0x70 [ 232.688585] ? __switch_to_asm+0x34/0x70 [ 232.692706] bpf_clone_redirect+0xb9/0x490 [ 232.696965] ? __schedule+0x874/0x1ed0 [ 232.700999] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 232.706034] ? __sched_text_start+0x8/0x8 [ 232.710196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.714972] ? find_held_lock+0x36/0x1c0 [ 232.719054] ? lock_acquire+0x1ed/0x520 [ 232.723060] ? bpf_test_run+0x32e/0x5a0 [ 232.727044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.732597] ? check_preemption_disabled+0x48/0x200 [ 232.737642] ? kasan_check_read+0x11/0x20 [ 232.741811] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.747123] ? rcu_bh_qs+0xc0/0xc0 [ 232.750688] ? preempt_schedule+0x4d/0x60 [ 232.754855] ? ___preempt_schedule+0x16/0x18 [ 232.759288] ? bpf_test_run+0x1c0/0x5a0 [ 232.763290] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.767720] ? bpf_prog_test_run_skb+0x295/0xb40 [ 232.772502] ? bpf_prog_test_run_skb+0x634/0xb40 [ 232.777308] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.782166] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.787727] ? fput+0x130/0x1a0 [ 232.791018] ? __bpf_prog_get+0x9b/0x290 [ 232.795090] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.799956] ? bpf_prog_test_run+0x130/0x1a0 [ 232.804388] ? __x64_sys_bpf+0x3d8/0x510 [ 232.808470] ? bpf_prog_get+0x20/0x20 [ 232.812314] ? do_syscall_64+0x1b9/0x820 [ 232.816380] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.821749] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.826685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.831539] ? trace_hardirqs_off+0x300/0x300 [ 232.836044] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.841072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.846627] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.851665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.856535] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.861928] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 232.862007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.869149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.869155] Call Trace: [ 232.869162] [ 232.869182] dump_stack+0x1c4/0x2b4 [ 232.869197] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.869227] warn_alloc.cold.118+0xb7/0x1bd [ 232.875789] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.885082] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.887649] syz-executor3 cpuset= [ 232.889799] ? lock_downgrade+0x900/0x900 [ 232.893403] syz3 [ 232.898604] ? trace_hardirqs_off+0xb8/0x300 [ 232.902992] mems_allowed=0 [ 232.913663] ? trace_hardirqs_off+0xb8/0x300 [ 232.941076] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.945964] ? warn_alloc+0x120/0x120 [ 232.949773] ? warn_alloc+0x120/0x120 [ 232.953578] ? print_usage_bug+0xc0/0xc0 [ 232.957650] ? warn_alloc+0x120/0x120 [ 232.961474] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 232.966500] ? print_usage_bug+0xc0/0xc0 [ 232.970745] ? __lock_acquire+0x7ec/0x4ec0 [ 232.974984] ? __lock_acquire+0x7ec/0x4ec0 [ 232.979231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.984777] ? should_fail+0x22d/0xd01 [ 232.988669] ? __lock_acquire+0x7ec/0x4ec0 [ 232.992908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.998016] ? __lock_acquire+0x7ec/0x4ec0 [ 233.002266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.007372] ? __lock_acquire+0x7ec/0x4ec0 [ 233.011608] ? should_fail+0x22d/0xd01 [ 233.015516] ? mark_held_locks+0x130/0x130 [ 233.019761] ? mark_held_locks+0x130/0x130 [ 233.024016] ? graph_lock+0x170/0x170 [ 233.027817] ? print_usage_bug+0xc0/0xc0 [ 233.031879] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.036636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.042176] ? check_preemption_disabled+0x48/0x200 [ 233.047197] ? check_preemption_disabled+0x48/0x200 [ 233.052228] ? __lock_is_held+0xb5/0x140 [ 233.056302] __alloc_pages_nodemask+0xa80/0xde0 [ 233.060978] ? graph_lock+0x170/0x170 [ 233.064792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.069811] ? graph_lock+0x170/0x170 [ 233.073634] ? find_held_lock+0x36/0x1c0 [ 233.077709] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.082384] ? lock_downgrade+0x900/0x900 [ 233.086544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.092091] cache_grow_begin+0x91/0x8c0 [ 233.096157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.100578] fallback_alloc+0x203/0x2e0 [ 233.104576] ____cache_alloc_node+0x1c7/0x1e0 [ 233.109091] kmem_cache_alloc_node+0xe3/0x730 [ 233.113592] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.117842] __alloc_skb+0x119/0x770 [ 233.121561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.126845] ? skb_scrub_packet+0x490/0x490 [ 233.131181] ? lock_downgrade+0x900/0x900 [ 233.135364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.140937] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.146393] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.151850] ? addrconf_rs_timer+0x6f0/0x6f0 [ 233.156278] ndisc_alloc_skb+0x144/0x340 [ 233.160364] ndisc_send_rs+0x331/0x6e0 [ 233.164264] addrconf_rs_timer+0x3c0/0x6f0 [ 233.168513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.172767] call_timer_fn+0x272/0x920 [ 233.176657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.180895] ? process_timeout+0x40/0x40 [ 233.184954] ? find_held_lock+0x36/0x1c0 [ 233.189031] ? __run_timers+0x7da/0xc70 [ 233.193018] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.197517] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.202023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.206265] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.210852] ? trace_hardirqs_on+0xbd/0x310 [ 233.215175] ? kasan_check_read+0x11/0x20 [ 233.219330] ? __run_timers+0x7da/0xc70 [ 233.223308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.228791] ? ip_vs_sync_net_cleanup.cold.11+0x34/0x34 [ 233.234168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.238403] __run_timers+0x7e5/0xc70 [ 233.242219] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.247590] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.252613] ? graph_lock+0x170/0x170 [ 233.256421] ? enqueue_hrtimer+0x1a5/0x560 [ 233.260657] ? lock_release+0x970/0x970 [ 233.264635] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.269830] ? find_held_lock+0x36/0x1c0 [ 233.273896] ? graph_lock+0x170/0x170 [ 233.277701] ? pvclock_read_flags+0x160/0x160 [ 233.282204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.287742] ? check_preemption_disabled+0x48/0x200 [ 233.292770] ? __lock_is_held+0xb5/0x140 [ 233.296832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.302369] ? check_preemption_disabled+0x48/0x200 [ 233.307395] run_timer_softirq+0x52/0xb0 [ 233.311456] ? rcu_read_lock_sched_held+0x108/0x120 [ 233.316476] __do_softirq+0x30b/0xad8 [ 233.320291] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.325398] ? pvclock_read_flags+0x160/0x160 [ 233.329894] ? lapic_next_event+0x5a/0x90 [ 233.334096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.339629] ? check_preemption_disabled+0x48/0x200 [ 233.344645] ? check_preemption_disabled+0x48/0x200 [ 233.349668] ? kvm_clock_read+0x18/0x30 [ 233.353646] ? kvm_sched_clock_read+0x9/0x20 [ 233.358063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.363604] ? check_preemption_disabled+0x48/0x200 [ 233.368632] irq_exit+0x17f/0x1c0 [ 233.372089] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.376933] ? smp_reschedule_interrupt+0x109/0x650 [ 233.381954] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.387841] ? interrupt_entry+0xb5/0xf0 [ 233.391907] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.396924] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.401950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.406800] ? trace_hardirqs_off+0x300/0x300 [ 233.411295] ? trace_hardirqs_off+0x300/0x300 [ 233.415804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.421352] ? check_preemption_disabled+0x48/0x200 [ 233.426379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.431936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.436798] apic_timer_interrupt+0xf/0x20 [ 233.441038] [ 233.443288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 233.448223] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 233.467137] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 233.474869] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 233.482147] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 233.489421] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 233.496687] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.503957] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 233.511802] skb_clone+0x1bb/0x500 [ 233.515350] ? finish_task_switch+0x664/0x900 [ 233.519846] ? skb_split+0x11e0/0x11e0 [ 233.523740] ? preempt_notifier_register+0x200/0x200 [ 233.528845] ? __switch_to_asm+0x34/0x70 [ 233.532906] ? __switch_to_asm+0x34/0x70 [ 233.536994] ? __switch_to_asm+0x40/0x70 [ 233.541059] ? __switch_to_asm+0x34/0x70 [ 233.545115] ? __switch_to_asm+0x40/0x70 [ 233.549170] ? __switch_to_asm+0x34/0x70 [ 233.553239] ? __switch_to_asm+0x40/0x70 [ 233.557300] ? __switch_to_asm+0x34/0x70 [ 233.561368] ? __switch_to_asm+0x34/0x70 [ 233.565424] ? __switch_to_asm+0x40/0x70 [ 233.569486] ? __switch_to_asm+0x34/0x70 [ 233.573559] bpf_clone_redirect+0xb9/0x490 [ 233.577801] ? __schedule+0x874/0x1ed0 [ 233.581700] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 233.586719] ? __sched_text_start+0x8/0x8 [ 233.590867] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.595641] ? find_held_lock+0x36/0x1c0 [ 233.599714] ? lock_acquire+0x1ed/0x520 [ 233.603689] ? bpf_test_run+0x32e/0x5a0 [ 233.607667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.613217] ? check_preemption_disabled+0x48/0x200 [ 233.618257] ? kasan_check_read+0x11/0x20 [ 233.622412] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.627700] ? rcu_bh_qs+0xc0/0xc0 [ 233.631257] ? preempt_schedule+0x4d/0x60 [ 233.635437] ? ___preempt_schedule+0x16/0x18 [ 233.639870] ? bpf_test_run+0x1c0/0x5a0 [ 233.643859] ? netlink_diag_dump+0x2a0/0x2a0 [ 233.648274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.653834] ? bpf_test_init.isra.9+0x70/0x100 [ 233.658422] ? bpf_prog_test_run_skb+0x634/0xb40 [ 233.663184] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.668030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.673575] ? fput+0x130/0x1a0 [ 233.676856] ? __bpf_prog_get+0x9b/0x290 [ 233.680918] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.685758] ? bpf_prog_test_run+0x130/0x1a0 [ 233.690172] ? __x64_sys_bpf+0x3d8/0x510 [ 233.694251] ? bpf_prog_get+0x20/0x20 [ 233.698078] ? ksys_ioctl+0x81/0xd0 [ 233.701716] ? do_syscall_64+0x1b9/0x820 [ 233.705779] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.711144] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.716091] ? trace_hardirqs_off+0x300/0x300 [ 233.720597] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.725617] ? recalc_sigpending_tsk+0x180/0x180 [ 233.730379] ? kasan_check_write+0x14/0x20 [ 233.734627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.739480] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.744859] warn_alloc_show_mem: 1 callbacks suppressed [ 233.744871] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 233.744873] Mem-Info: [ 233.744903] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 233.744903] active_file:17 inactive_file:11 isolated_file:5 [ 233.744903] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.744903] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 233.744903] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 233.744903] free:13528 free_pcp:440 free_cma:0 [ 233.750244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.750254] Call Trace: [ 233.757448] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.759850] [ 233.792726] Node 0 [ 233.802090] dump_stack+0x1c4/0x2b4 [ 233.804676] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 233.832450] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.834582] lowmem_reserve[]: [ 233.836827] warn_alloc.cold.118+0xb7/0x1bd [ 233.840422] 0 [ 233.865936] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.871105] 2815 [ 233.874208] ? lock_downgrade+0x900/0x900 [ 233.878503] 6318 [ 233.880311] ? trace_hardirqs_off+0xb8/0x300 [ 233.885123] 6318 [ 233.887194] ? trace_hardirqs_off+0xb8/0x300 [ 233.891317] Node 0 [ 233.893384] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.897790] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 233.899858] ? warn_alloc+0x120/0x120 [ 233.904214] lowmem_reserve[]: [ 233.906457] ? warn_alloc+0x120/0x120 [ 233.911277] 0 [ 233.938441] ? print_usage_bug+0xc0/0xc0 [ 233.942223] 0 [ 233.945326] ? warn_alloc+0x120/0x120 [ 233.949100] 3503 [ 233.950902] ? print_usage_bug+0xc0/0xc0 [ 233.954950] 3503 [ 233.956744] ? __lock_acquire+0x7ec/0x4ec0 [ 233.960523] Node 0 [ 233.962583] ? __lock_acquire+0x7ec/0x4ec0 [ 233.966652] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 233.968689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.972894] lowmem_reserve[]: 0 [ 233.975138] ? should_fail+0x22d/0xd01 [ 233.979350] 0 [ 234.007825] ? __lock_acquire+0x7ec/0x4ec0 [ 234.013343] 0 [ 234.016625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.020489] 0 [ 234.022295] ? __lock_acquire+0x7ec/0x4ec0 [ 234.028312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.033388] Node 0 [ 234.035191] ? __lock_acquire+0x7ec/0x4ec0 [ 234.039401] DMA: [ 234.044497] ? should_fail+0x22d/0xd01 [ 234.044531] ? mark_held_locks+0x130/0x130 [ 234.046732] 1*4kB [ 234.050961] ? mark_held_locks+0x130/0x130 [ 234.053005] (U) [ 234.056892] ? graph_lock+0x170/0x170 [ 234.061105] 0*8kB [ 234.063250] ? print_usage_bug+0xc0/0xc0 [ 234.063269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.067474] 0*16kB 1*32kB [ 234.069465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.073247] (U) [ 234.075394] ? check_preemption_disabled+0x48/0x200 [ 234.079424] 2*64kB (U) [ 234.084964] ? check_preemption_disabled+0x48/0x200 [ 234.087788] 1*128kB [ 234.093325] ? __lock_is_held+0xb5/0x140 [ 234.095262] (U) 1*256kB [ 234.100312] __alloc_pages_nodemask+0xa80/0xde0 [ 234.102883] (U) [ 234.107897] ? graph_lock+0x170/0x170 [ 234.110209] 0*512kB 1*1024kB [ 234.114306] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.116956] (U) [ 234.121630] ? graph_lock+0x170/0x170 [ 234.123602] 1*2048kB [ 234.127409] ? find_held_lock+0x36/0x1c0 [ 234.130486] (M) [ 234.135516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.137463] 3*4096kB [ 234.141259] ? lock_downgrade+0x900/0x900 [ 234.143653] (M) = 15908kB [ 234.147731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.149686] Node 0 [ 234.154352] cache_grow_begin+0x91/0x8c0 [ 234.156741] DMA32: [ 234.160885] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.163623] 4*4kB [ 234.169165] fallback_alloc+0x203/0x2e0 [ 234.171374] (UM) [ 234.175439] ____cache_alloc_node+0x1c7/0x1e0 [ 234.177650] 3*8kB [ 234.182066] kmem_cache_alloc_node+0xe3/0x730 [ 234.184198] (UM) [ 234.188181] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.190226] 1*16kB [ 234.194730] __alloc_skb+0x119/0x770 [ 234.196852] (M) [ 234.201354] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.203399] 2*32kB [ 234.207630] ? skb_scrub_packet+0x490/0x490 [ 234.209840] (UM) [ 234.213549] ? lock_downgrade+0x900/0x900 [ 234.215522] 3*64kB [ 234.220797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.223015] (UM) [ 234.227330] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.229370] 4*128kB [ 234.233522] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.235727] (UM) [ 234.241276] ? addrconf_rs_timer+0x6f0/0x6f0 [ 234.243314] 2*256kB [ 234.248769] ndisc_alloc_skb+0x144/0x340 [ 234.251072] (M) [ 234.256553] ndisc_send_rs+0x331/0x6e0 [ 234.258595] 4*512kB [ 234.262998] addrconf_rs_timer+0x3c0/0x6f0 [ 234.265302] (UM) [ 234.269361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.271308] 3*1024kB (M) [ 234.275208] call_timer_fn+0x272/0x920 [ 234.277500] 1*2048kB [ 234.281735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.283773] (M) [ 234.288003] ? process_timeout+0x40/0x40 [ 234.290743] 4*4096kB [ 234.294625] ? find_held_lock+0x36/0x1c0 [ 234.297015] (M) [ 234.301287] ? __run_timers+0x7da/0xc70 [ 234.303241] = 24888kB [ 234.307302] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.309688] Node 0 [ 234.313749] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.315704] Normal: [ 234.319676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.322066] 1035*4kB [ 234.326557] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.328768] (MEH) [ 234.333257] ? trace_hardirqs_on+0xbd/0x310 [ 234.335564] 457*8kB [ 234.339789] ? kasan_check_read+0x11/0x20 [ 234.342177] (UMEH) [ 234.346758] ? __run_timers+0x7da/0xc70 [ 234.348885] 163*16kB [ 234.353203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.355505] (MEH) [ 234.359661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.361863] 58*32kB (UMEH) [ 234.365842] __run_timers+0x7e5/0xc70 [ 234.368226] 13*64kB [ 234.373693] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.375812] (UMH) [ 234.380044] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.382962] 2*128kB [ 234.386771] ? graph_lock+0x170/0x170 [ 234.389070] (H) [ 234.394439] ? enqueue_hrtimer+0x1a5/0x560 [ 234.396570] 0*256kB 0*512kB [ 234.402113] ? lock_release+0x970/0x970 [ 234.402131] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.404441] 0*1024kB [ 234.408297] ? find_held_lock+0x36/0x1c0 [ 234.410255] 0*2048kB [ 234.414483] ? graph_lock+0x170/0x170 [ 234.417489] 0*4096kB [ 234.421459] ? pvclock_read_flags+0x160/0x160 [ 234.426626] = 13348kB [ 234.429037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.433081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.435485] ? check_preemption_disabled+0x48/0x200 [ 234.439268] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.441673] ? __lock_is_held+0xb5/0x140 [ 234.446141] 412 total pagecache pages [ 234.448548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.454063] 0 pages in swap cache [ 234.462886] ? check_preemption_disabled+0x48/0x200 [ 234.467893] Swap cache stats: add 0, delete 0, find 0/0 [ 234.476471] run_timer_softirq+0x52/0xb0 [ 234.480532] Free swap = 0kB [ 234.484337] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.489846] Total swap = 0kB [ 234.489855] 1965979 pages RAM [ 234.493304] __do_softirq+0x30b/0xad8 [ 234.498300] 0 pages HighMem/MovableOnly [ 234.503666] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.507700] 343323 pages reserved [ 234.510716] ? pvclock_read_flags+0x160/0x160 [ 234.515714] 0 pages cma reserved [ 234.518723] ? lapic_next_event+0x5a/0x90 [ 234.521871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.525603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.529639] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.534653] ? check_preemption_disabled+0x48/0x200 [ 234.538081] syz-executor3 cpuset= [ 234.542571] ? check_preemption_disabled+0x48/0x200 [ 234.545927] syz3 [ 234.550069] ? kvm_clock_read+0x18/0x30 [ 234.556534] mems_allowed=0 [ 234.594797] ? kvm_sched_clock_read+0x9/0x20 [ 234.599221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.604767] ? check_preemption_disabled+0x48/0x200 [ 234.609794] irq_exit+0x17f/0x1c0 [ 234.613256] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.618100] ? smp_reschedule_interrupt+0x109/0x650 [ 234.623123] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.629006] ? interrupt_entry+0xb5/0xf0 [ 234.633076] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.638092] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.643109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.647950] ? trace_hardirqs_off+0x300/0x300 [ 234.652457] ? trace_hardirqs_off+0x300/0x300 [ 234.656969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.662518] ? check_preemption_disabled+0x48/0x200 [ 234.667543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.673096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.677955] apic_timer_interrupt+0xf/0x20 [ 234.682185] [ 234.684423] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.689358] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 234.708288] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 234.716010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.723290] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 234.730562] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 234.737834] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.745101] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.752423] skb_clone+0x1bb/0x500 [ 234.755970] ? finish_task_switch+0x1b5/0x900 [ 234.760471] ? skb_split+0x11e0/0x11e0 [ 234.764365] ? preempt_notifier_register+0x200/0x200 [ 234.769475] ? __switch_to_asm+0x34/0x70 [ 234.773547] ? __switch_to_asm+0x34/0x70 [ 234.777611] ? __switch_to_asm+0x40/0x70 [ 234.781668] ? __switch_to_asm+0x34/0x70 [ 234.785733] ? __switch_to_asm+0x40/0x70 [ 234.789793] ? __switch_to_asm+0x34/0x70 [ 234.793859] ? __switch_to_asm+0x40/0x70 [ 234.797918] ? __switch_to_asm+0x34/0x70 [ 234.801988] ? __switch_to_asm+0x34/0x70 [ 234.806053] ? __switch_to_asm+0x40/0x70 [ 234.810116] ? __switch_to_asm+0x34/0x70 [ 234.814196] bpf_clone_redirect+0xb9/0x490 [ 234.818436] ? __schedule+0x874/0x1ed0 [ 234.822332] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 234.827354] ? __sched_text_start+0x8/0x8 [ 234.831520] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.836284] ? find_held_lock+0x36/0x1c0 [ 234.840358] ? lock_acquire+0x1ed/0x520 [ 234.844331] ? bpf_test_run+0x32e/0x5a0 [ 234.848317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.853857] ? check_preemption_disabled+0x48/0x200 [ 234.858881] ? kasan_check_read+0x11/0x20 [ 234.863036] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.868316] ? rcu_bh_qs+0xc0/0xc0 [ 234.871866] ? preempt_schedule+0x4d/0x60 [ 234.876024] ? ___preempt_schedule+0x16/0x18 [ 234.885655] ? bpf_test_run+0x1c0/0x5a0 [ 234.889644] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.894058] ? bpf_prog_test_run_skb+0x295/0xb40 [ 234.898816] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.903580] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.908426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.913985] ? fput+0x130/0x1a0 [ 234.917269] ? __bpf_prog_get+0x9b/0x290 [ 234.921340] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.926180] ? bpf_prog_test_run+0x130/0x1a0 [ 234.930600] ? __x64_sys_bpf+0x3d8/0x510 [ 234.934666] ? bpf_prog_get+0x20/0x20 [ 234.938489] ? do_syscall_64+0x1b9/0x820 [ 234.942558] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.947926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.952854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.957702] ? trace_hardirqs_off+0x300/0x300 [ 234.962203] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.967227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.972772] ? prepare_exit_to_usermode+0x291/0x3b0 [ 234.977793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.982645] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.988030] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 234.988098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.995227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.995246] Call Trace: [ 235.001821] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.011069] [ 235.013642] syz-executor3 cpuset= [ 235.024123] dump_stack+0x1c4/0x2b4 [ 235.026253] syz3 [ 235.029707] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.033315] mems_allowed=0 [ 235.035296] warn_alloc.cold.118+0xb7/0x1bd [ 235.047688] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.052536] ? lock_downgrade+0x900/0x900 [ 235.056695] ? trace_hardirqs_off+0xb8/0x300 [ 235.061110] ? trace_hardirqs_off+0xb8/0x300 [ 235.065527] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.070403] ? warn_alloc+0x120/0x120 [ 235.074209] ? trace_hardirqs_on+0x310/0x310 [ 235.078617] ? warn_alloc+0x120/0x120 [ 235.082423] ? print_usage_bug+0xc0/0xc0 [ 235.086499] ? warn_alloc+0x120/0x120 [ 235.090299] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.095341] ? print_usage_bug+0xc0/0xc0 [ 235.099416] ? __lock_acquire+0x7ec/0x4ec0 [ 235.103653] ? __lock_acquire+0x7ec/0x4ec0 [ 235.107892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.113433] ? should_fail+0x22d/0xd01 [ 235.117330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.122436] ? __lock_acquire+0x7ec/0x4ec0 [ 235.126686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.131799] ? __lock_acquire+0x7ec/0x4ec0 [ 235.136035] ? should_fail+0x22d/0xd01 [ 235.139927] ? print_usage_bug+0xc0/0xc0 [ 235.144002] ? mark_held_locks+0x130/0x130 [ 235.148253] ? mark_held_locks+0x130/0x130 [ 235.152497] ? graph_lock+0x170/0x170 [ 235.156301] ? print_usage_bug+0xc0/0xc0 [ 235.160377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.165131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.170690] ? check_preemption_disabled+0x48/0x200 [ 235.175705] ? check_preemption_disabled+0x48/0x200 [ 235.180730] ? __lock_is_held+0xb5/0x140 [ 235.184798] __alloc_pages_nodemask+0xa80/0xde0 [ 235.189471] ? graph_lock+0x170/0x170 [ 235.193281] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.198295] ? graph_lock+0x170/0x170 [ 235.202108] ? find_held_lock+0x36/0x1c0 [ 235.206176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.210858] ? lock_downgrade+0x900/0x900 [ 235.215022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.220567] cache_grow_begin+0x91/0x8c0 [ 235.224633] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.229058] fallback_alloc+0x203/0x2e0 [ 235.233049] ____cache_alloc_node+0x1c7/0x1e0 [ 235.237562] kmem_cache_alloc_node+0xe3/0x730 [ 235.242072] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.246316] __alloc_skb+0x119/0x770 [ 235.250034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.255317] ? skb_scrub_packet+0x490/0x490 [ 235.259637] ? lock_downgrade+0x900/0x900 [ 235.263794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.269336] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.274791] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.280243] ? addrconf_rs_timer+0x6f0/0x6f0 [ 235.284670] ndisc_alloc_skb+0x144/0x340 [ 235.288739] ndisc_send_rs+0x331/0x6e0 [ 235.292634] addrconf_rs_timer+0x3c0/0x6f0 [ 235.296876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.301137] call_timer_fn+0x272/0x920 [ 235.305028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.309302] ? process_timeout+0x40/0x40 [ 235.313366] ? find_held_lock+0x36/0x1c0 [ 235.317433] ? __run_timers+0x7da/0xc70 [ 235.321413] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.325910] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.330404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.334640] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.339223] ? trace_hardirqs_on+0xbd/0x310 [ 235.343551] ? kasan_check_read+0x11/0x20 [ 235.347704] ? __run_timers+0x7da/0xc70 [ 235.351684] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.357141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.361383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.365632] __run_timers+0x7e5/0xc70 [ 235.369452] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.374829] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.379846] ? graph_lock+0x170/0x170 [ 235.383650] ? enqueue_hrtimer+0x1a5/0x560 [ 235.387886] ? lock_release+0x970/0x970 [ 235.391883] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.397087] ? find_held_lock+0x36/0x1c0 [ 235.401162] ? graph_lock+0x170/0x170 [ 235.404966] ? pvclock_read_flags+0x160/0x160 [ 235.409462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.415036] ? check_preemption_disabled+0x48/0x200 [ 235.420074] ? __lock_is_held+0xb5/0x140 [ 235.424156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.429695] ? check_preemption_disabled+0x48/0x200 [ 235.434737] run_timer_softirq+0x52/0xb0 [ 235.438800] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.443820] __do_softirq+0x30b/0xad8 [ 235.447634] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.452758] ? pvclock_read_flags+0x160/0x160 [ 235.457262] ? lapic_next_event+0x5a/0x90 [ 235.461414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.466969] ? check_preemption_disabled+0x48/0x200 [ 235.471983] ? check_preemption_disabled+0x48/0x200 [ 235.477019] ? kvm_clock_read+0x18/0x30 [ 235.481017] ? kvm_sched_clock_read+0x9/0x20 [ 235.485442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.490976] ? check_preemption_disabled+0x48/0x200 [ 235.496018] irq_exit+0x17f/0x1c0 [ 235.499489] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.504335] ? smp_reschedule_interrupt+0x109/0x650 [ 235.509863] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.515765] ? interrupt_entry+0xb5/0xf0 [ 235.519839] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.524856] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.529873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.534716] ? trace_hardirqs_off+0x300/0x300 [ 235.539210] ? trace_hardirqs_off+0x300/0x300 [ 235.543716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.549261] ? check_preemption_disabled+0x48/0x200 [ 235.554276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.559828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.564686] apic_timer_interrupt+0xf/0x20 [ 235.568913] [ 235.571153] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 235.576088] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 235.594993] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 235.602717] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 235.609984] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 235.617264] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 235.624536] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 235.631807] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 235.639124] skb_clone+0x1bb/0x500 [ 235.642664] ? finish_task_switch+0x664/0x900 [ 235.647179] ? skb_split+0x11e0/0x11e0 [ 235.651069] ? preempt_notifier_register+0x200/0x200 [ 235.656174] ? __switch_to_asm+0x34/0x70 [ 235.660242] ? __switch_to_asm+0x34/0x70 [ 235.664303] ? __switch_to_asm+0x40/0x70 [ 235.668363] ? __switch_to_asm+0x34/0x70 [ 235.672425] ? __switch_to_asm+0x40/0x70 [ 235.676509] ? __switch_to_asm+0x34/0x70 [ 235.680574] ? __switch_to_asm+0x40/0x70 [ 235.684635] ? __switch_to_asm+0x34/0x70 [ 235.688698] ? __switch_to_asm+0x34/0x70 [ 235.692763] ? __switch_to_asm+0x40/0x70 [ 235.696822] ? __switch_to_asm+0x34/0x70 [ 235.700902] bpf_clone_redirect+0xb9/0x490 [ 235.705142] ? __schedule+0x874/0x1ed0 [ 235.709040] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 235.714062] ? __sched_text_start+0x8/0x8 [ 235.718215] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.722997] ? find_held_lock+0x36/0x1c0 [ 235.727076] ? lock_acquire+0x1ed/0x520 [ 235.731055] ? bpf_test_run+0x32e/0x5a0 [ 235.735071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.740620] ? check_preemption_disabled+0x48/0x200 [ 235.745645] ? kasan_check_read+0x11/0x20 [ 235.749799] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.755081] ? rcu_bh_qs+0xc0/0xc0 [ 235.758625] ? preempt_schedule+0x4d/0x60 [ 235.762779] ? ___preempt_schedule+0x16/0x18 [ 235.767198] ? bpf_test_run+0x1c0/0x5a0 [ 235.771189] ? netlink_diag_dump+0x2a0/0x2a0 [ 235.775602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.781147] ? bpf_test_init.isra.9+0x70/0x100 [ 235.785741] ? bpf_prog_test_run_skb+0x634/0xb40 [ 235.790510] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 235.795356] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.800986] ? fput+0x130/0x1a0 [ 235.804278] ? __bpf_prog_get+0x9b/0x290 [ 235.808348] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 235.813219] ? bpf_prog_test_run+0x130/0x1a0 [ 235.817662] ? __x64_sys_bpf+0x3d8/0x510 [ 235.821729] ? bpf_prog_get+0x20/0x20 [ 235.825544] ? ksys_ioctl+0x81/0xd0 [ 235.829186] ? do_syscall_64+0x1b9/0x820 [ 235.833253] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 235.838629] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.843598] ? trace_hardirqs_off+0x300/0x300 [ 235.848097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 235.853120] ? recalc_sigpending_tsk+0x180/0x180 [ 235.857886] ? kasan_check_write+0x14/0x20 [ 235.862151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.867021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.872416] warn_alloc_show_mem: 1 callbacks suppressed [ 235.872428] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 235.872431] Mem-Info: [ 235.872460] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 235.872460] active_file:17 inactive_file:11 isolated_file:5 [ 235.872460] unevictable:0 dirty:0 writeback:0 unstable:0 [ 235.872460] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 235.872460] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 235.872460] free:13528 free_pcp:440 free_cma:0 [ 235.877807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.877817] Call Trace: [ 235.885027] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 235.887424] [ 235.920317] Node 0 [ 235.929706] dump_stack+0x1c4/0x2b4 [ 235.932308] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 235.960061] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.962197] lowmem_reserve[]: [ 235.964441] warn_alloc.cold.118+0xb7/0x1bd [ 235.968036] 0 [ 235.993983] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.999161] 2815 [ 236.002274] ? lock_downgrade+0x900/0x900 [ 236.006569] 6318 [ 236.008380] ? trace_hardirqs_off+0xb8/0x300 [ 236.013188] 6318 [ 236.015266] ? trace_hardirqs_off+0xb8/0x300 [ 236.019390] Node 0 [ 236.021459] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.025865] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 236.028018] ? warn_alloc+0x120/0x120 [ 236.032382] lowmem_reserve[]: [ 236.034627] ? trace_hardirqs_on+0x310/0x310 [ 236.039446] 0 [ 236.066615] ? warn_alloc+0x120/0x120 [ 236.070401] 0 [ 236.073507] ? print_usage_bug+0xc0/0xc0 [ 236.077889] 3503 3503 [ 236.079706] ? warn_alloc+0x120/0x120 [ 236.083483] Node 0 [ 236.085283] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.089343] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 236.091815] ? print_usage_bug+0xc0/0xc0 [ 236.095586] lowmem_reserve[]: 0 [ 236.097846] ? __lock_acquire+0x7ec/0x4ec0 [ 236.102845] 0 [ 236.131313] ? __lock_acquire+0x7ec/0x4ec0 [ 236.135357] 0 [ 236.138634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.142845] 0 [ 236.144650] ? should_fail+0x22d/0xd01 [ 236.150663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.156173] Node 0 [ 236.157973] ? __lock_acquire+0x7ec/0x4ec0 [ 236.161827] DMA: 1*4kB [ 236.166939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.169150] (U) [ 236.173383] ? __lock_acquire+0x7ec/0x4ec0 [ 236.175942] 0*8kB 0*16kB [ 236.181051] ? should_fail+0x22d/0xd01 [ 236.183016] 1*32kB [ 236.187233] ? print_usage_bug+0xc0/0xc0 [ 236.187260] ? mark_held_locks+0x130/0x130 [ 236.189990] (U) [ 236.193876] ? mark_held_locks+0x130/0x130 [ 236.196089] 2*64kB [ 236.200159] ? graph_lock+0x170/0x170 [ 236.204361] (U) 1*128kB [ 236.206339] ? print_usage_bug+0xc0/0xc0 [ 236.206358] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.210573] (U) [ 236.212807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.216584] 1*256kB [ 236.219248] ? check_preemption_disabled+0x48/0x200 [ 236.219263] ? check_preemption_disabled+0x48/0x200 [ 236.223301] (U) 0*512kB [ 236.228072] ? __lock_is_held+0xb5/0x140 [ 236.230018] 1*1024kB [ 236.235555] __alloc_pages_nodemask+0xa80/0xde0 [ 236.237852] (U) [ 236.242867] ? graph_lock+0x170/0x170 [ 236.247858] 1*2048kB (M) [ 236.250539] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.254577] 3*4096kB [ 236.256991] ? graph_lock+0x170/0x170 [ 236.257042] ? find_held_lock+0x36/0x1c0 [ 236.261688] (M) [ 236.263671] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.267435] = 15908kB [ 236.267445] Node 0 [ 236.270199] ? lock_downgrade+0x900/0x900 [ 236.275183] DMA32: 4*4kB [ 236.277610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.281384] (UM) [ 236.285443] cache_grow_begin+0x91/0x8c0 [ 236.287397] 3*8kB [ 236.292065] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.294452] (UM) [ 236.296695] fallback_alloc+0x203/0x2e0 [ 236.300820] 1*16kB (M) [ 236.303601] ____cache_alloc_node+0x1c7/0x1e0 [ 236.309109] 2*32kB (UM) [ 236.311216] kmem_cache_alloc_node+0xe3/0x730 [ 236.315256] 3*64kB [ 236.317408] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.321792] (UM) [ 236.323863] __alloc_skb+0x119/0x770 [ 236.327807] 4*128kB [ 236.330392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.334854] (UM) 2*256kB [ 236.337542] ? skb_scrub_packet+0x490/0x490 [ 236.342016] (M) [ 236.344260] ? lock_downgrade+0x900/0x900 [ 236.348474] 4*512kB [ 236.350543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.354223] (UM) 3*1024kB [ 236.356561] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.361806] (M) 1*2048kB [ 236.364578] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.368876] (M) [ 236.370851] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.374973] 4*4096kB [ 236.377305] ndisc_alloc_skb+0x144/0x340 [ 236.382807] (M) [ 236.385652] ndisc_send_rs+0x331/0x6e0 [ 236.391090] = 24888kB [ 236.391099] Node 0 [ 236.393857] addrconf_rs_timer+0x3c0/0x6f0 [ 236.399582] Normal: 1035*4kB [ 236.401587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.405999] (MEH) 457*8kB [ 236.408438] call_timer_fn+0x272/0x920 [ 236.412466] (UMEH) [ 236.414442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.418319] 163*16kB [ 236.420724] ? process_timeout+0x40/0x40 [ 236.422935] (MEH) [ 236.427188] ? find_held_lock+0x36/0x1c0 [ 236.430268] 58*32kB (UMEH) [ 236.434536] ? __run_timers+0x7da/0xc70 [ 236.437348] 13*64kB [ 236.441244] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.443450] (UMH) [ 236.447686] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.450077] 2*128kB [ 236.454135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.456266] (H) [ 236.460335] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.463250] 0*256kB 0*512kB [ 236.467240] ? trace_hardirqs_on+0xbd/0x310 [ 236.469556] 0*1024kB 0*2048kB [ 236.474056] ? kasan_check_read+0x11/0x20 [ 236.476185] 0*4096kB [ 236.480675] ? __run_timers+0x7da/0xc70 [ 236.482976] = 13348kB [ 236.487204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.489174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.493752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.496749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.501059] __run_timers+0x7e5/0xc70 [ 236.504228] 412 total pagecache pages [ 236.508397] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.510787] 0 pages in swap cache [ 236.514753] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.517140] Swap cache stats: add 0, delete 0, find 0/0 [ 236.517149] Free swap = 0kB [ 236.522594] ? graph_lock+0x170/0x170 [ 236.531405] Total swap = 0kB [ 236.531414] 1965979 pages RAM [ 236.535644] ? enqueue_hrtimer+0x1a5/0x560 [ 236.544199] 0 pages HighMem/MovableOnly [ 236.548017] ? lock_release+0x970/0x970 [ 236.551826] 343323 pages reserved [ 236.551830] 0 pages cma reserved [ 236.551894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.551950] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.551955] syz-executor3 cpuset=syz3 mems_allowed=0 [ 236.625265] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.630475] ? find_held_lock+0x36/0x1c0 [ 236.634553] ? graph_lock+0x170/0x170 [ 236.638359] ? pvclock_read_flags+0x160/0x160 [ 236.642864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.648404] ? check_preemption_disabled+0x48/0x200 [ 236.653440] ? __lock_is_held+0xb5/0x140 [ 236.657540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.663080] ? check_preemption_disabled+0x48/0x200 [ 236.668113] run_timer_softirq+0x52/0xb0 [ 236.672215] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.677253] __do_softirq+0x30b/0xad8 [ 236.681068] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.686205] ? pvclock_read_flags+0x160/0x160 [ 236.690712] ? lapic_next_event+0x5a/0x90 [ 236.694892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.700435] ? check_preemption_disabled+0x48/0x200 [ 236.705458] ? check_preemption_disabled+0x48/0x200 [ 236.710489] ? kvm_clock_read+0x18/0x30 [ 236.714471] ? kvm_sched_clock_read+0x9/0x20 [ 236.718886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.724422] ? check_preemption_disabled+0x48/0x200 [ 236.729454] irq_exit+0x17f/0x1c0 [ 236.732913] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.737766] ? smp_reschedule_interrupt+0x109/0x650 [ 236.742799] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.748691] ? interrupt_entry+0xb5/0xf0 [ 236.752766] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.757786] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.762817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.767671] ? trace_hardirqs_off+0x300/0x300 [ 236.772167] ? trace_hardirqs_off+0x300/0x300 [ 236.776670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.782217] ? check_preemption_disabled+0x48/0x200 [ 236.787246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.792800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.797661] apic_timer_interrupt+0xf/0x20 [ 236.801892] [ 236.804136] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.809068] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 236.827972] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 236.835682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 236.842951] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 236.850248] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 236.857534] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 236.864802] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.872120] skb_clone+0x1bb/0x500 [ 236.875664] ? finish_task_switch+0x1b5/0x900 [ 236.880161] ? skb_split+0x11e0/0x11e0 [ 236.884053] ? preempt_notifier_register+0x200/0x200 [ 236.889159] ? __switch_to_asm+0x34/0x70 [ 236.893224] ? __switch_to_asm+0x34/0x70 [ 236.897293] ? __switch_to_asm+0x40/0x70 [ 236.901353] ? __switch_to_asm+0x34/0x70 [ 236.905416] ? __switch_to_asm+0x40/0x70 [ 236.909478] ? __switch_to_asm+0x34/0x70 [ 236.913548] ? __switch_to_asm+0x40/0x70 [ 236.917608] ? __switch_to_asm+0x34/0x70 [ 236.921671] ? __switch_to_asm+0x34/0x70 [ 236.925730] ? __switch_to_asm+0x40/0x70 [ 236.929791] ? __switch_to_asm+0x34/0x70 [ 236.933862] bpf_clone_redirect+0xb9/0x490 [ 236.938136] ? __schedule+0x874/0x1ed0 [ 236.942040] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 236.947061] ? __sched_text_start+0x8/0x8 [ 236.951223] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.955996] ? find_held_lock+0x36/0x1c0 [ 236.960074] ? lock_acquire+0x1ed/0x520 [ 236.964052] ? bpf_test_run+0x32e/0x5a0 [ 236.968031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.973569] ? check_preemption_disabled+0x48/0x200 [ 236.978591] ? kasan_check_read+0x11/0x20 [ 236.982740] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.988017] ? rcu_bh_qs+0xc0/0xc0 [ 236.991562] ? preempt_schedule+0x4d/0x60 [ 236.995714] ? ___preempt_schedule+0x16/0x18 [ 237.000140] ? bpf_test_run+0x1c0/0x5a0 [ 237.004150] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.008561] ? bpf_prog_test_run_skb+0x295/0xb40 [ 237.013318] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.018086] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.022927] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.028464] ? fput+0x130/0x1a0 [ 237.031751] ? __bpf_prog_get+0x9b/0x290 [ 237.035817] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.040662] ? bpf_prog_test_run+0x130/0x1a0 [ 237.045163] ? __x64_sys_bpf+0x3d8/0x510 [ 237.049227] ? bpf_prog_get+0x20/0x20 [ 237.053064] ? do_syscall_64+0x1b9/0x820 [ 237.057130] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.062499] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.067445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.072290] ? trace_hardirqs_off+0x300/0x300 [ 237.076790] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.081805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.087358] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.092381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.097246] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.102644] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 237.102712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.109840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.109846] Call Trace: [ 237.109853] [ 237.109869] dump_stack+0x1c4/0x2b4 [ 237.109891] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.116422] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.125732] warn_alloc.cold.118+0xb7/0x1bd [ 237.128289] syz-executor3 cpuset= [ 237.130451] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.134060] syz3 [ 237.139256] ? lock_downgrade+0x900/0x900 [ 237.149720] mems_allowed=0 [ 237.154038] ? trace_hardirqs_off+0xb8/0x300 [ 237.175748] ? trace_hardirqs_off+0xb8/0x300 [ 237.180167] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.185056] ? warn_alloc+0x120/0x120 [ 237.188862] ? warn_alloc+0x120/0x120 [ 237.192667] ? print_usage_bug+0xc0/0xc0 [ 237.196753] ? warn_alloc+0x120/0x120 [ 237.200556] ? print_usage_bug+0xc0/0xc0 [ 237.204621] ? __lock_acquire+0x7ec/0x4ec0 [ 237.208854] ? __lock_acquire+0x7ec/0x4ec0 [ 237.213093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.218629] ? should_fail+0x22d/0xd01 [ 237.222521] ? __lock_acquire+0x7ec/0x4ec0 [ 237.226770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.231876] ? __lock_acquire+0x7ec/0x4ec0 [ 237.236116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.241220] ? __lock_acquire+0x7ec/0x4ec0 [ 237.245453] ? should_fail+0x22d/0xd01 [ 237.249355] ? mark_held_locks+0x130/0x130 [ 237.253633] ? mark_held_locks+0x130/0x130 [ 237.257872] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.262292] ? graph_lock+0x170/0x170 [ 237.266094] ? print_usage_bug+0xc0/0xc0 [ 237.270168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.275702] ? check_preemption_disabled+0x48/0x200 [ 237.280716] ? check_preemption_disabled+0x48/0x200 [ 237.285749] ? __lock_is_held+0xb5/0x140 [ 237.289823] __alloc_pages_nodemask+0xa80/0xde0 [ 237.294495] ? graph_lock+0x170/0x170 [ 237.298308] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.303324] ? graph_lock+0x170/0x170 [ 237.307154] ? find_held_lock+0x36/0x1c0 [ 237.311229] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.315900] ? lock_downgrade+0x900/0x900 [ 237.320059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.325605] cache_grow_begin+0x91/0x8c0 [ 237.329672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.334088] fallback_alloc+0x203/0x2e0 [ 237.338072] ____cache_alloc_node+0x1c7/0x1e0 [ 237.342572] kmem_cache_alloc_node+0xe3/0x730 [ 237.347073] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.351325] __alloc_skb+0x119/0x770 [ 237.355047] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.360329] ? skb_scrub_packet+0x490/0x490 [ 237.364649] ? lock_downgrade+0x900/0x900 [ 237.368814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.374358] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.379812] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.385263] ? addrconf_rs_timer+0x6f0/0x6f0 [ 237.389690] ndisc_alloc_skb+0x144/0x340 [ 237.393758] ndisc_send_rs+0x331/0x6e0 [ 237.397657] addrconf_rs_timer+0x3c0/0x6f0 [ 237.401906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.406162] call_timer_fn+0x272/0x920 [ 237.410054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.414290] ? process_timeout+0x40/0x40 [ 237.418349] ? find_held_lock+0x36/0x1c0 [ 237.422419] ? __run_timers+0x7da/0xc70 [ 237.426400] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.430897] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.435390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.439623] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.444211] ? trace_hardirqs_on+0xbd/0x310 [ 237.448529] ? kasan_check_read+0x11/0x20 [ 237.452680] ? __run_timers+0x7da/0xc70 [ 237.456678] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.462143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.466382] __run_timers+0x7e5/0xc70 [ 237.470196] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.475587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.480622] ? graph_lock+0x170/0x170 [ 237.484425] ? enqueue_hrtimer+0x1a5/0x560 [ 237.488665] ? lock_release+0x970/0x970 [ 237.492640] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.497835] ? find_held_lock+0x36/0x1c0 [ 237.501904] ? graph_lock+0x170/0x170 [ 237.505710] ? pvclock_read_flags+0x160/0x160 [ 237.510738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.516293] ? check_preemption_disabled+0x48/0x200 [ 237.521326] ? __lock_is_held+0xb5/0x140 [ 237.525393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.530930] ? check_preemption_disabled+0x48/0x200 [ 237.535954] run_timer_softirq+0x52/0xb0 [ 237.540046] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.545074] __do_softirq+0x30b/0xad8 [ 237.548891] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.554005] ? pvclock_read_flags+0x160/0x160 [ 237.558510] ? lapic_next_event+0x5a/0x90 [ 237.562662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.568199] ? check_preemption_disabled+0x48/0x200 [ 237.573218] ? check_preemption_disabled+0x48/0x200 [ 237.578256] ? kvm_clock_read+0x18/0x30 [ 237.582256] ? kvm_sched_clock_read+0x9/0x20 [ 237.586668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.592206] ? check_preemption_disabled+0x48/0x200 [ 237.597252] irq_exit+0x17f/0x1c0 [ 237.600713] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.605561] ? smp_reschedule_interrupt+0x109/0x650 [ 237.610579] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.616465] ? interrupt_entry+0xb5/0xf0 [ 237.620534] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.625549] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.630568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.635415] ? trace_hardirqs_off+0x300/0x300 [ 237.639911] ? trace_hardirqs_off+0x300/0x300 [ 237.644494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.650043] ? check_preemption_disabled+0x48/0x200 [ 237.655060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.660606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.665460] apic_timer_interrupt+0xf/0x20 [ 237.669694] [ 237.671938] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 237.676872] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 237.695774] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 237.703488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 237.710759] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 237.718034] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 237.725299] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 237.732565] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 237.739884] skb_clone+0x1bb/0x500 [ 237.743429] ? finish_task_switch+0x664/0x900 [ 237.747930] ? skb_split+0x11e0/0x11e0 [ 237.751824] ? preempt_notifier_register+0x200/0x200 [ 237.756926] ? __switch_to_asm+0x34/0x70 [ 237.760986] ? __switch_to_asm+0x34/0x70 [ 237.765053] ? __switch_to_asm+0x40/0x70 [ 237.769114] ? __switch_to_asm+0x34/0x70 [ 237.773184] ? __switch_to_asm+0x40/0x70 [ 237.777270] ? __switch_to_asm+0x34/0x70 [ 237.781329] ? __switch_to_asm+0x40/0x70 [ 237.785395] ? __switch_to_asm+0x34/0x70 [ 237.789456] ? __switch_to_asm+0x34/0x70 [ 237.793515] ? __switch_to_asm+0x40/0x70 [ 237.797573] ? __switch_to_asm+0x34/0x70 [ 237.801648] bpf_clone_redirect+0xb9/0x490 [ 237.805889] ? __schedule+0x874/0x1ed0 [ 237.809784] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 237.814806] ? __sched_text_start+0x8/0x8 [ 237.818954] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.823724] ? find_held_lock+0x36/0x1c0 [ 237.827794] ? lock_acquire+0x1ed/0x520 [ 237.831769] ? bpf_test_run+0x32e/0x5a0 [ 237.835750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.841292] ? check_preemption_disabled+0x48/0x200 [ 237.846315] ? kasan_check_read+0x11/0x20 [ 237.850472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.855751] ? rcu_bh_qs+0xc0/0xc0 [ 237.859336] ? preempt_schedule+0x4d/0x60 [ 237.863488] ? ___preempt_schedule+0x16/0x18 [ 237.867911] ? bpf_test_run+0x1c0/0x5a0 [ 237.871895] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.876312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.881847] ? bpf_test_init.isra.9+0x70/0x100 [ 237.886439] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.891206] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.896064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.901599] ? fput+0x130/0x1a0 [ 237.904895] ? __bpf_prog_get+0x9b/0x290 [ 237.908971] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.913815] ? bpf_prog_test_run+0x130/0x1a0 [ 237.918252] ? __x64_sys_bpf+0x3d8/0x510 [ 237.922318] ? bpf_prog_get+0x20/0x20 [ 237.926139] ? ksys_ioctl+0x81/0xd0 [ 237.929785] ? do_syscall_64+0x1b9/0x820 [ 237.933848] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.939211] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.944178] ? trace_hardirqs_off+0x300/0x300 [ 237.948679] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.953695] ? recalc_sigpending_tsk+0x180/0x180 [ 237.958451] ? kasan_check_write+0x14/0x20 [ 237.962699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.967558] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.972938] warn_alloc_show_mem: 1 callbacks suppressed [ 237.972950] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 237.972952] Mem-Info: [ 237.972982] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 237.972982] active_file:17 inactive_file:11 isolated_file:5 [ 237.972982] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.972982] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 237.972982] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 237.972982] free:13528 free_pcp:440 free_cma:0 [ 237.978329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.978338] Call Trace: [ 237.985543] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.987945] [ 238.020823] Node 0 [ 238.030189] dump_stack+0x1c4/0x2b4 [ 238.032778] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.060531] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.062656] lowmem_reserve[]: [ 238.064905] warn_alloc.cold.118+0xb7/0x1bd [ 238.068591] 0 [ 238.094110] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.099282] 2815 [ 238.102387] ? lock_downgrade+0x900/0x900 [ 238.106686] 6318 [ 238.108491] ? trace_hardirqs_off+0xb8/0x300 [ 238.113309] 6318 [ 238.115369] ? trace_hardirqs_off+0xb8/0x300 [ 238.121564] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.125947] Node 0 [ 238.128036] ? warn_alloc+0x120/0x120 [ 238.132427] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 238.137259] ? warn_alloc+0x120/0x120 [ 238.139481] lowmem_reserve[]: 0 [ 238.143306] ? print_usage_bug+0xc0/0xc0 [ 238.170436] 0 [ 238.174263] ? warn_alloc+0x120/0x120 [ 238.177518] 3503 3503 [ 238.181587] ? print_usage_bug+0xc0/0xc0 [ 238.187179] ? __lock_acquire+0x7ec/0x4ec0 [ 238.189654] Node 0 [ 238.193707] ? __lock_acquire+0x7ec/0x4ec0 [ 238.197943] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 238.200150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.204358] lowmem_reserve[]: 0 [ 238.232827] ? should_fail+0x22d/0xd01 [ 238.238347] 0 [ 238.241623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.245487] 0 [ 238.247289] ? __lock_acquire+0x7ec/0x4ec0 [ 238.252367] 0 [ 238.254169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.260188] ? __lock_acquire+0x7ec/0x4ec0 [ 238.265267] Node 0 [ 238.269533] ? should_fail+0x22d/0xd01 [ 238.269544] DMA: [ 238.271792] ? mark_held_locks+0x130/0x130 [ 238.275654] 1*4kB [ 238.277722] ? mark_held_locks+0x130/0x130 [ 238.281935] (U) [ 238.284083] ? graph_lock+0x170/0x170 [ 238.288294] 0*8kB [ 238.290264] ? graph_lock+0x170/0x170 [ 238.294041] 0*16kB [ 238.296183] ? graph_lock+0x170/0x170 [ 238.299961] 1*32kB [ 238.302194] ? print_usage_bug+0xc0/0xc0 [ 238.305970] (U) [ 238.308207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.312253] 2*64kB [ 238.314229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.319758] (U) [ 238.322012] ? check_preemption_disabled+0x48/0x200 [ 238.327527] 1*128kB (U) [ 238.329522] ? check_preemption_disabled+0x48/0x200 [ 238.334507] 1*256kB [ 238.337188] ? __lock_is_held+0xb5/0x140 [ 238.342206] (U) [ 238.344539] __alloc_pages_nodemask+0xa80/0xde0 [ 238.348574] 0*512kB 1*1024kB [ 238.350560] ? graph_lock+0x170/0x170 [ 238.355207] (U) [ 238.358338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.362112] 1*2048kB (M) [ 238.364109] ? graph_lock+0x170/0x170 [ 238.369103] 3*4096kB [ 238.371868] ? find_held_lock+0x36/0x1c0 [ 238.375639] (M) [ 238.378056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.382084] = 15908kB [ 238.384056] ? lock_downgrade+0x900/0x900 [ 238.388700] Node 0 [ 238.391120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.395232] DMA32: 4*4kB [ 238.397487] cache_grow_begin+0x91/0x8c0 [ 238.403271] (UM) 3*8kB [ 238.406043] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.410079] (UM) [ 238.412666] fallback_alloc+0x203/0x2e0 [ 238.417042] 1*16kB (M) [ 238.419132] ____cache_alloc_node+0x1c7/0x1e0 [ 238.423071] 2*32kB (UM) [ 238.425685] kmem_cache_alloc_node+0xe3/0x730 [ 238.430155] 3*64kB (UM) [ 238.432837] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.437308] 4*128kB (UM) [ 238.439989] __alloc_skb+0x119/0x770 [ 238.444195] 2*256kB [ 238.446953] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.450637] (M) 4*512kB [ 238.452968] ? skb_scrub_packet+0x490/0x490 [ 238.458220] (UM) [ 238.460892] ? lock_downgrade+0x900/0x900 [ 238.465189] 3*1024kB (M) [ 238.467285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.471399] 1*2048kB (M) [ 238.474163] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.479672] 4*4096kB (M) [ 238.482457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.487884] = 24888kB [ 238.490640] ? addrconf_rs_timer+0x6f0/0x6f0 [ 238.496069] Node 0 [ 238.498497] ndisc_alloc_skb+0x144/0x340 [ 238.502870] Normal: [ 238.505123] ndisc_send_rs+0x331/0x6e0 [ 238.509162] 1035*4kB [ 238.511488] addrconf_rs_timer+0x3c0/0x6f0 [ 238.515343] (MEH) 457*8kB [ 238.517772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.521996] (UMEH) 163*16kB [ 238.524861] call_timer_fn+0x272/0x920 [ 238.529058] (MEH) [ 238.532087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.535944] 58*32kB (UMEH) [ 238.538102] ? process_timeout+0x40/0x40 [ 238.542314] 13*64kB [ 238.545252] ? find_held_lock+0x36/0x1c0 [ 238.549284] (UMH) [ 238.551618] ? __run_timers+0x7da/0xc70 [ 238.555646] 2*128kB (H) [ 238.557807] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.561753] 0*256kB 0*512kB [ 238.564434] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.568908] 0*1024kB 0*2048kB [ 238.571950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.576423] 0*4096kB [ 238.579611] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.583824] = 13348kB [ 238.586252] ? trace_hardirqs_on+0xbd/0x310 [ 238.590817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 238.593222] ? kasan_check_read+0x11/0x20 [ 238.597529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 238.597539] 412 total pagecache pages [ 238.606387] ? __run_timers+0x7da/0xc70 [ 238.610514] 0 pages in swap cache [ 238.619105] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.623329] Swap cache stats: add 0, delete 0, find 0/0 [ 238.627317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.630758] Free swap = 0kB [ 238.636216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.641587] Total swap = 0kB [ 238.641597] 1965979 pages RAM [ 238.645832] __run_timers+0x7e5/0xc70 [ 238.648827] 0 pages HighMem/MovableOnly [ 238.653067] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.656052] 343323 pages reserved [ 238.656062] 0 pages cma reserved [ 238.659167] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.663009] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.666925] ? graph_lock+0x170/0x170 [ 238.672406] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.675732] ? enqueue_hrtimer+0x1a5/0x560 [ 238.679073] syz-executor3 cpuset= [ 238.684088] ? lock_release+0x970/0x970 [ 238.690559] syz3 [ 238.694357] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.704823] mems_allowed=0 [ 238.726550] ? find_held_lock+0x36/0x1c0 [ 238.730623] ? graph_lock+0x170/0x170 [ 238.734431] ? pvclock_read_flags+0x160/0x160 [ 238.738931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.744467] ? check_preemption_disabled+0x48/0x200 [ 238.749499] ? __lock_is_held+0xb5/0x140 [ 238.753568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.759105] ? check_preemption_disabled+0x48/0x200 [ 238.764130] run_timer_softirq+0x52/0xb0 [ 238.768192] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.773210] __do_softirq+0x30b/0xad8 [ 238.777028] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.782153] ? pvclock_read_flags+0x160/0x160 [ 238.786659] ? lapic_next_event+0x5a/0x90 [ 238.790809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.796359] ? check_preemption_disabled+0x48/0x200 [ 238.801399] ? check_preemption_disabled+0x48/0x200 [ 238.806438] ? kvm_clock_read+0x18/0x30 [ 238.810412] ? kvm_sched_clock_read+0x9/0x20 [ 238.814828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.820365] ? check_preemption_disabled+0x48/0x200 [ 238.825395] irq_exit+0x17f/0x1c0 [ 238.828852] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.833697] ? smp_reschedule_interrupt+0x109/0x650 [ 238.838722] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.844610] ? interrupt_entry+0xb5/0xf0 [ 238.848678] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.853695] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.858717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.863573] ? trace_hardirqs_off+0x300/0x300 [ 238.868072] ? trace_hardirqs_off+0x300/0x300 [ 238.872568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.878105] ? check_preemption_disabled+0x48/0x200 [ 238.883216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.888770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.893629] apic_timer_interrupt+0xf/0x20 [ 238.897860] [ 238.900104] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.905040] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 238.923941] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 238.931665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.938934] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 238.946203] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 238.953481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.960756] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.968078] skb_clone+0x1bb/0x500 [ 238.971627] ? finish_task_switch+0x1b5/0x900 [ 238.976124] ? skb_split+0x11e0/0x11e0 [ 238.980012] ? preempt_notifier_register+0x200/0x200 [ 238.985119] ? __switch_to_asm+0x34/0x70 [ 238.989182] ? __switch_to_asm+0x34/0x70 [ 238.993256] ? __switch_to_asm+0x40/0x70 [ 238.997316] ? __switch_to_asm+0x34/0x70 [ 239.001380] ? __switch_to_asm+0x40/0x70 [ 239.005438] ? __switch_to_asm+0x34/0x70 [ 239.009500] ? __switch_to_asm+0x40/0x70 [ 239.013565] ? __switch_to_asm+0x34/0x70 [ 239.017629] ? __switch_to_asm+0x34/0x70 [ 239.021687] ? __switch_to_asm+0x40/0x70 [ 239.025750] ? __switch_to_asm+0x34/0x70 [ 239.029827] bpf_clone_redirect+0xb9/0x490 [ 239.034068] ? __schedule+0x874/0x1ed0 [ 239.037960] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 239.042982] ? __sched_text_start+0x8/0x8 [ 239.047142] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.051908] ? find_held_lock+0x36/0x1c0 [ 239.055979] ? lock_acquire+0x1ed/0x520 [ 239.059955] ? bpf_test_run+0x32e/0x5a0 [ 239.063935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.069476] ? check_preemption_disabled+0x48/0x200 [ 239.074502] ? kasan_check_read+0x11/0x20 [ 239.078659] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.083936] ? rcu_bh_qs+0xc0/0xc0 [ 239.087481] ? preempt_schedule+0x4d/0x60 [ 239.091635] ? ___preempt_schedule+0x16/0x18 [ 239.096059] ? bpf_test_run+0x1c0/0x5a0 [ 239.100050] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.104462] ? bpf_prog_test_run_skb+0x295/0xb40 [ 239.109225] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.114000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.118847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.124385] ? fput+0x130/0x1a0 [ 239.127667] ? __bpf_prog_get+0x9b/0x290 [ 239.131731] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.136572] ? bpf_prog_test_run+0x130/0x1a0 [ 239.140990] ? __x64_sys_bpf+0x3d8/0x510 [ 239.145051] ? bpf_prog_get+0x20/0x20 [ 239.148872] ? do_syscall_64+0x1b9/0x820 [ 239.152936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.158308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.163243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.168094] ? trace_hardirqs_off+0x300/0x300 [ 239.172589] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.177603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.183151] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.188178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.193033] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.198425] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 239.198493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.205623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.205632] Call Trace: [ 239.212198] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.221457] [ 239.224028] syz-executor3 cpuset= [ 239.234511] dump_stack+0x1c4/0x2b4 [ 239.236646] syz3 [ 239.240093] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.243697] mems_allowed=0 [ 239.245680] warn_alloc.cold.118+0xb7/0x1bd [ 239.258069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.262920] ? lock_downgrade+0x900/0x900 [ 239.267079] ? trace_hardirqs_off+0xb8/0x300 [ 239.271495] ? trace_hardirqs_off+0xb8/0x300 [ 239.275917] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.280792] ? warn_alloc+0x120/0x120 [ 239.284600] ? trace_hardirqs_on+0x310/0x310 [ 239.289007] ? warn_alloc+0x120/0x120 [ 239.292820] ? print_usage_bug+0xc0/0xc0 [ 239.296886] ? warn_alloc+0x120/0x120 [ 239.300686] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 239.305705] ? print_usage_bug+0xc0/0xc0 [ 239.309774] ? __lock_acquire+0x7ec/0x4ec0 [ 239.314008] ? __lock_acquire+0x7ec/0x4ec0 [ 239.318256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.323797] ? should_fail+0x22d/0xd01 [ 239.327692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.332801] ? __lock_acquire+0x7ec/0x4ec0 [ 239.337046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.342149] ? __lock_acquire+0x7ec/0x4ec0 [ 239.346390] ? should_fail+0x22d/0xd01 [ 239.350277] ? print_usage_bug+0xc0/0xc0 [ 239.354356] ? mark_held_locks+0x130/0x130 [ 239.358602] ? mark_held_locks+0x130/0x130 [ 239.362848] ? graph_lock+0x170/0x170 [ 239.366652] ? print_usage_bug+0xc0/0xc0 [ 239.370714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.375480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.381035] ? check_preemption_disabled+0x48/0x200 [ 239.386054] ? check_preemption_disabled+0x48/0x200 [ 239.391080] ? __lock_is_held+0xb5/0x140 [ 239.395162] __alloc_pages_nodemask+0xa80/0xde0 [ 239.399835] ? graph_lock+0x170/0x170 [ 239.403646] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.408666] ? graph_lock+0x170/0x170 [ 239.412482] ? find_held_lock+0x36/0x1c0 [ 239.416558] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.421232] ? lock_downgrade+0x900/0x900 [ 239.425395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.430940] cache_grow_begin+0x91/0x8c0 [ 239.435001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.439428] fallback_alloc+0x203/0x2e0 [ 239.443414] ____cache_alloc_node+0x1c7/0x1e0 [ 239.447918] kmem_cache_alloc_node+0xe3/0x730 [ 239.452419] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.456664] __alloc_skb+0x119/0x770 [ 239.460380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.465670] ? skb_scrub_packet+0x490/0x490 [ 239.469995] ? lock_downgrade+0x900/0x900 [ 239.474165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.479708] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.485163] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.490620] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.495051] ndisc_alloc_skb+0x144/0x340 [ 239.499135] ndisc_send_rs+0x331/0x6e0 [ 239.503056] addrconf_rs_timer+0x3c0/0x6f0 [ 239.507792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.512068] call_timer_fn+0x272/0x920 [ 239.515962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.520206] ? process_timeout+0x40/0x40 [ 239.524275] ? find_held_lock+0x36/0x1c0 [ 239.528350] ? __run_timers+0x7da/0xc70 [ 239.532332] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.536830] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.541327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.545563] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.550248] ? trace_hardirqs_on+0xbd/0x310 [ 239.554569] ? kasan_check_read+0x11/0x20 [ 239.558720] ? __run_timers+0x7da/0xc70 [ 239.562699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.568155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.572399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.576634] __run_timers+0x7e5/0xc70 [ 239.580451] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.585816] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.590838] ? graph_lock+0x170/0x170 [ 239.594646] ? enqueue_hrtimer+0x1a5/0x560 [ 239.598879] ? lock_release+0x970/0x970 [ 239.602860] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.608063] ? find_held_lock+0x36/0x1c0 [ 239.612131] ? graph_lock+0x170/0x170 [ 239.615934] ? pvclock_read_flags+0x160/0x160 [ 239.620437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.625973] ? check_preemption_disabled+0x48/0x200 [ 239.631004] ? __lock_is_held+0xb5/0x140 [ 239.635081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.640623] ? check_preemption_disabled+0x48/0x200 [ 239.645650] run_timer_softirq+0x52/0xb0 [ 239.649714] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.654733] __do_softirq+0x30b/0xad8 [ 239.658550] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.663665] ? pvclock_read_flags+0x160/0x160 [ 239.668166] ? lapic_next_event+0x5a/0x90 [ 239.672318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.677858] ? check_preemption_disabled+0x48/0x200 [ 239.682875] ? check_preemption_disabled+0x48/0x200 [ 239.687897] ? kvm_clock_read+0x18/0x30 [ 239.691875] ? kvm_sched_clock_read+0x9/0x20 [ 239.696291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.701829] ? check_preemption_disabled+0x48/0x200 [ 239.706863] irq_exit+0x17f/0x1c0 [ 239.710325] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.715171] ? smp_reschedule_interrupt+0x109/0x650 [ 239.720191] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.726075] ? interrupt_entry+0xb5/0xf0 [ 239.730142] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.735168] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.740199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.745049] ? trace_hardirqs_off+0x300/0x300 [ 239.749543] ? trace_hardirqs_off+0x300/0x300 [ 239.754045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.759593] ? check_preemption_disabled+0x48/0x200 [ 239.764610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.770153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.775049] apic_timer_interrupt+0xf/0x20 [ 239.779285] [ 239.781522] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.786455] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 239.805358] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 239.813074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.820342] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 239.827613] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 239.834883] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.842153] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 239.849471] skb_clone+0x1bb/0x500 [ 239.853023] ? finish_task_switch+0x664/0x900 [ 239.857537] ? skb_split+0x11e0/0x11e0 [ 239.861438] ? preempt_notifier_register+0x200/0x200 [ 239.866808] ? __switch_to_asm+0x34/0x70 [ 239.870882] ? __switch_to_asm+0x34/0x70 [ 239.874947] ? __switch_to_asm+0x40/0x70 [ 239.879017] ? __switch_to_asm+0x34/0x70 [ 239.883078] ? __switch_to_asm+0x40/0x70 [ 239.887141] ? __switch_to_asm+0x34/0x70 [ 239.891204] ? __switch_to_asm+0x40/0x70 [ 239.895274] ? __switch_to_asm+0x34/0x70 [ 239.899337] ? __switch_to_asm+0x34/0x70 [ 239.903399] ? __switch_to_asm+0x40/0x70 [ 239.907463] ? __switch_to_asm+0x34/0x70 [ 239.911536] bpf_clone_redirect+0xb9/0x490 [ 239.915776] ? __schedule+0x874/0x1ed0 [ 239.919669] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 239.924695] ? __sched_text_start+0x8/0x8 [ 239.928844] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.933615] ? find_held_lock+0x36/0x1c0 [ 239.937687] ? lock_acquire+0x1ed/0x520 [ 239.941665] ? bpf_test_run+0x32e/0x5a0 [ 239.945648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.951191] ? check_preemption_disabled+0x48/0x200 [ 239.956211] ? kasan_check_read+0x11/0x20 [ 239.960369] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.965646] ? rcu_bh_qs+0xc0/0xc0 [ 239.969192] ? preempt_schedule+0x4d/0x60 [ 239.973341] ? ___preempt_schedule+0x16/0x18 [ 239.977762] ? bpf_test_run+0x1c0/0x5a0 [ 239.981751] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.986163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.991704] ? bpf_test_init.isra.9+0x70/0x100 [ 239.996300] ? bpf_prog_test_run_skb+0x634/0xb40 [ 240.001065] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.005908] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.011444] ? fput+0x130/0x1a0 [ 240.014734] ? __bpf_prog_get+0x9b/0x290 [ 240.018808] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.023650] ? bpf_prog_test_run+0x130/0x1a0 [ 240.028065] ? __x64_sys_bpf+0x3d8/0x510 [ 240.032131] ? bpf_prog_get+0x20/0x20 [ 240.035943] ? ksys_ioctl+0x81/0xd0 [ 240.039581] ? do_syscall_64+0x1b9/0x820 [ 240.043643] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.049016] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.053957] ? trace_hardirqs_off+0x300/0x300 [ 240.058455] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.063487] ? recalc_sigpending_tsk+0x180/0x180 [ 240.068251] ? kasan_check_write+0x14/0x20 [ 240.072496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.077366] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.082749] warn_alloc_show_mem: 1 callbacks suppressed [ 240.082761] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 240.082763] Mem-Info: [ 240.082794] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 240.082794] active_file:17 inactive_file:11 isolated_file:5 [ 240.082794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.082794] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 240.082794] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 240.082794] free:13528 free_pcp:440 free_cma:0 [ 240.088140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.095334] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.097732] Call Trace: [ 240.130608] Node 0 [ 240.139965] [ 240.167750] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 240.170314] dump_stack+0x1c4/0x2b4 [ 240.172519] lowmem_reserve[]: 0 [ 240.174676] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.200247] 2815 6318 [ 240.203898] warn_alloc.cold.118+0xb7/0x1bd [ 240.207138] 6318 [ 240.212337] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.214815] Node 0 [ 240.219135] ? lock_downgrade+0x900/0x900 [ 240.221198] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 240.226019] ? trace_hardirqs_off+0xb8/0x300 [ 240.228232] lowmem_reserve[]: [ 240.232377] ? trace_hardirqs_off+0xb8/0x300 [ 240.259505] 0 [ 240.263920] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.266994] 0 [ 240.271426] ? warn_alloc+0x120/0x120 [ 240.273181] 3503 [ 240.278017] ? trace_hardirqs_on+0x310/0x310 [ 240.279805] 3503 [ 240.283626] ? warn_alloc+0x120/0x120 [ 240.290073] ? print_usage_bug+0xc0/0xc0 [ 240.292112] Node 0 [ 240.295904] ? warn_alloc+0x120/0x120 [ 240.299968] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 240.302174] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 240.305951] lowmem_reserve[]: [ 240.334405] ? print_usage_bug+0xc0/0xc0 [ 240.339399] 0 [ 240.342503] ? __lock_acquire+0x7ec/0x4ec0 [ 240.346536] 0 [ 240.348339] ? __lock_acquire+0x7ec/0x4ec0 [ 240.352548] 0 0 [ 240.354395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.360575] ? should_fail+0x22d/0xd01 [ 240.366086] Node 0 DMA: [ 240.369971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.369988] ? __lock_acquire+0x7ec/0x4ec0 [ 240.372638] 1*4kB [ 240.377737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.381945] (U) [ 240.384088] ? __lock_acquire+0x7ec/0x4ec0 [ 240.389161] 0*8kB 0*16kB [ 240.391146] ? should_fail+0x22d/0xd01 [ 240.395360] 1*32kB (U) [ 240.398125] ? print_usage_bug+0xc0/0xc0 [ 240.402272] 2*64kB (U) [ 240.404873] ? mark_held_locks+0x130/0x130 [ 240.408900] 1*128kB (U) [ 240.411492] ? mark_held_locks+0x130/0x130 [ 240.415702] 1*256kB [ 240.418370] ? graph_lock+0x170/0x170 [ 240.422577] (U) [ 240.424899] ? print_usage_bug+0xc0/0xc0 [ 240.428677] 0*512kB [ 240.430651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.434686] 1*1024kB [ 240.437008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.441745] (U) [ 240.444156] ? check_preemption_disabled+0x48/0x200 [ 240.449663] 1*2048kB (M) [ 240.451652] ? check_preemption_disabled+0x48/0x200 [ 240.456669] 3*4096kB [ 240.459433] ? __lock_is_held+0xb5/0x140 [ 240.464432] (M) = 15908kB [ 240.466852] __alloc_pages_nodemask+0xa80/0xde0 [ 240.470886] Node 0 [ 240.473639] ? graph_lock+0x170/0x170 [ 240.478288] DMA32: [ 240.480530] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.484303] 4*4kB [ 240.486539] ? graph_lock+0x170/0x170 [ 240.491542] (UM) [ 240.493700] ? find_held_lock+0x36/0x1c0 [ 240.497475] 3*8kB [ 240.499545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.503575] (UM) [ 240.505725] ? lock_downgrade+0x900/0x900 [ 240.510376] 1*16kB [ 240.512444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.516564] (M) [ 240.518802] cache_grow_begin+0x91/0x8c0 [ 240.524316] 2*32kB [ 240.526289] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.530325] (UM) [ 240.532562] fallback_alloc+0x203/0x2e0 [ 240.536945] 3*64kB [ 240.539003] ____cache_alloc_node+0x1c7/0x1e0 [ 240.542958] (UM) [ 240.545194] kmem_cache_alloc_node+0xe3/0x730 [ 240.549666] 4*128kB [ 240.551727] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.556190] (UM) 2*256kB [ 240.558534] __alloc_skb+0x119/0x770 [ 240.562736] (M) [ 240.565495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.569191] 4*512kB [ 240.571171] ? skb_scrub_packet+0x490/0x490 [ 240.576428] (UM) [ 240.578750] ? lock_downgrade+0x900/0x900 [ 240.583046] 3*1024kB [ 240.585112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.589230] (M) 1*2048kB [ 240.591657] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.597168] (M) [ 240.599924] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.605353] 4*4096kB [ 240.607324] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.612750] (M) [ 240.615170] ndisc_alloc_skb+0x144/0x340 [ 240.619551] = 24888kB [ 240.621544] ndisc_send_rs+0x331/0x6e0 [ 240.625564] Node 0 [ 240.627977] addrconf_rs_timer+0x3c0/0x6f0 [ 240.631843] Normal: [ 240.634096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.638305] 1035*4kB [ 240.640631] call_timer_fn+0x272/0x920 [ 240.644836] (MEH) [ 240.647249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.651109] 457*8kB [ 240.653265] ? process_timeout+0x40/0x40 [ 240.657495] (UMEH) [ 240.659826] ? find_held_lock+0x36/0x1c0 [ 240.663865] 163*16kB [ 240.666100] ? __run_timers+0x7da/0xc70 [ 240.670132] (MEH) [ 240.672557] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.676502] 58*32kB (UMEH) [ 240.678663] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.683137] 13*64kB [ 240.686061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.690529] (UMH) 2*128kB [ 240.692861] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.697070] (H) [ 240.699927] ? trace_hardirqs_on+0xbd/0x310 [ 240.704480] 0*256kB 0*512kB [ 240.706479] ? kasan_check_read+0x11/0x20 [ 240.710780] 0*1024kB [ 240.713796] ? __run_timers+0x7da/0xc70 [ 240.717918] 0*2048kB [ 240.720346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.724295] 0*4096kB = 13348kB [ 240.726717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.732151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.735335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.739549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.748374] __run_timers+0x7e5/0xc70 [ 240.752589] 412 total pagecache pages [ 240.761178] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.764964] 0 pages in swap cache [ 240.768754] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.774094] Swap cache stats: add 0, delete 0, find 0/0 [ 240.777537] ? graph_lock+0x170/0x170 [ 240.782531] Free swap = 0kB [ 240.782541] Total swap = 0kB [ 240.787908] ? enqueue_hrtimer+0x1a5/0x560 [ 240.791685] 1965979 pages RAM [ 240.794697] ? lock_release+0x970/0x970 [ 240.797691] 0 pages HighMem/MovableOnly [ 240.797701] 343323 pages reserved [ 240.801939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.805022] 0 pages cma reserved [ 240.808991] ? find_held_lock+0x36/0x1c0 [ 240.813055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.816428] ? graph_lock+0x170/0x170 [ 240.821685] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.824985] ? pvclock_read_flags+0x160/0x160 [ 240.829070] syz-executor3 cpuset= [ 240.835567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.839346] syz3 [ 240.849833] ? check_preemption_disabled+0x48/0x200 [ 240.854322] mems_allowed=0 [ 240.857802] ? __lock_is_held+0xb5/0x140 [ 240.877302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.882838] ? check_preemption_disabled+0x48/0x200 [ 240.887862] run_timer_softirq+0x52/0xb0 [ 240.891947] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.896964] __do_softirq+0x30b/0xad8 [ 240.900781] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.905888] ? pvclock_read_flags+0x160/0x160 [ 240.910398] ? lapic_next_event+0x5a/0x90 [ 240.914545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.920086] ? check_preemption_disabled+0x48/0x200 [ 240.925122] ? check_preemption_disabled+0x48/0x200 [ 240.930141] ? kvm_clock_read+0x18/0x30 [ 240.934119] ? kvm_sched_clock_read+0x9/0x20 [ 240.938548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.944083] ? check_preemption_disabled+0x48/0x200 [ 240.949112] irq_exit+0x17f/0x1c0 [ 240.952573] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.957428] ? smp_reschedule_interrupt+0x109/0x650 [ 240.962442] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.968329] ? interrupt_entry+0xb5/0xf0 [ 240.972397] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.977410] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.982431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.987274] ? trace_hardirqs_off+0x300/0x300 [ 240.991771] ? trace_hardirqs_off+0x300/0x300 [ 240.996268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.001809] ? check_preemption_disabled+0x48/0x200 [ 241.006826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.012397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.017258] apic_timer_interrupt+0xf/0x20 [ 241.021485] [ 241.023730] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.028661] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 241.047562] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 241.055273] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 241.062548] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 241.069860] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 241.077127] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 241.084393] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 241.091709] skb_clone+0x1bb/0x500 [ 241.095256] ? finish_task_switch+0x1b5/0x900 [ 241.099754] ? skb_split+0x11e0/0x11e0 [ 241.103644] ? preempt_notifier_register+0x200/0x200 [ 241.108752] ? __switch_to_asm+0x34/0x70 [ 241.112814] ? __switch_to_asm+0x34/0x70 [ 241.116874] ? __switch_to_asm+0x40/0x70 [ 241.120930] ? __switch_to_asm+0x34/0x70 [ 241.124997] ? __switch_to_asm+0x40/0x70 [ 241.129059] ? __switch_to_asm+0x34/0x70 [ 241.133121] ? __switch_to_asm+0x40/0x70 [ 241.137183] ? __switch_to_asm+0x34/0x70 [ 241.141254] ? __switch_to_asm+0x34/0x70 [ 241.145316] ? __switch_to_asm+0x40/0x70 [ 241.149373] ? __switch_to_asm+0x34/0x70 [ 241.153448] bpf_clone_redirect+0xb9/0x490 [ 241.157686] ? __schedule+0x874/0x1ed0 [ 241.161579] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 241.166600] ? __sched_text_start+0x8/0x8 [ 241.170755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.175518] ? find_held_lock+0x36/0x1c0 [ 241.179589] ? lock_acquire+0x1ed/0x520 [ 241.183566] ? bpf_test_run+0x32e/0x5a0 [ 241.187555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.193092] ? check_preemption_disabled+0x48/0x200 [ 241.198112] ? kasan_check_read+0x11/0x20 [ 241.202280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.207568] ? rcu_bh_qs+0xc0/0xc0 [ 241.211113] ? preempt_schedule+0x4d/0x60 [ 241.215268] ? ___preempt_schedule+0x16/0x18 [ 241.219688] ? bpf_test_run+0x1c0/0x5a0 [ 241.223676] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.228091] ? bpf_prog_test_run_skb+0x295/0xb40 [ 241.232850] ? bpf_prog_test_run_skb+0x634/0xb40 [ 241.237618] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.242464] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.248007] ? fput+0x130/0x1a0 [ 241.251303] ? __bpf_prog_get+0x9b/0x290 [ 241.255375] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.260214] ? bpf_prog_test_run+0x130/0x1a0 [ 241.264639] ? __x64_sys_bpf+0x3d8/0x510 [ 241.268701] ? bpf_prog_get+0x20/0x20 [ 241.272533] ? do_syscall_64+0x1b9/0x820 [ 241.276598] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.281968] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.286895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.291741] ? trace_hardirqs_off+0x300/0x300 [ 241.296251] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.301274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.306812] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.311836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.316688] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.322072] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 241.322155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.329559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.329565] Call Trace: [ 241.329572] [ 241.329589] dump_stack+0x1c4/0x2b4 [ 241.329610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.336157] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.345450] warn_alloc.cold.118+0xb7/0x1bd [ 241.348006] syz-executor3 cpuset= [ 241.350157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.353759] syz3 [ 241.358948] ? lock_downgrade+0x900/0x900 [ 241.369411] mems_allowed=0 [ 241.373733] ? trace_hardirqs_off+0xb8/0x300 [ 241.395409] ? trace_hardirqs_off+0xb8/0x300 [ 241.399837] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.404713] ? warn_alloc+0x120/0x120 [ 241.408521] ? trace_hardirqs_on+0x310/0x310 [ 241.412931] ? warn_alloc+0x120/0x120 [ 241.416734] ? print_usage_bug+0xc0/0xc0 [ 241.420796] ? warn_alloc+0x120/0x120 [ 241.424600] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 241.429668] ? print_usage_bug+0xc0/0xc0 [ 241.433732] ? __lock_acquire+0x7ec/0x4ec0 [ 241.437970] ? __lock_acquire+0x7ec/0x4ec0 [ 241.442208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.447751] ? should_fail+0x22d/0xd01 [ 241.451645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.456750] ? __lock_acquire+0x7ec/0x4ec0 [ 241.460991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.466122] ? __lock_acquire+0x7ec/0x4ec0 [ 241.470453] ? should_fail+0x22d/0xd01 [ 241.474342] ? print_usage_bug+0xc0/0xc0 [ 241.478415] ? mark_held_locks+0x130/0x130 [ 241.482653] ? mark_held_locks+0x130/0x130 [ 241.486897] ? graph_lock+0x170/0x170 [ 241.490696] ? print_usage_bug+0xc0/0xc0 [ 241.494758] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.499543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.505081] ? check_preemption_disabled+0x48/0x200 [ 241.510565] ? check_preemption_disabled+0x48/0x200 [ 241.515616] ? __lock_is_held+0xb5/0x140 [ 241.519712] __alloc_pages_nodemask+0xa80/0xde0 [ 241.524385] ? graph_lock+0x170/0x170 [ 241.528308] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.533336] ? graph_lock+0x170/0x170 [ 241.537149] ? find_held_lock+0x36/0x1c0 [ 241.541219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.545911] ? lock_downgrade+0x900/0x900 [ 241.550065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.555610] cache_grow_begin+0x91/0x8c0 [ 241.559946] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.564369] fallback_alloc+0x203/0x2e0 [ 241.568357] ____cache_alloc_node+0x1c7/0x1e0 [ 241.572858] kmem_cache_alloc_node+0xe3/0x730 [ 241.577370] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.581741] __alloc_skb+0x119/0x770 [ 241.585457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.590739] ? skb_scrub_packet+0x490/0x490 [ 241.595065] ? lock_downgrade+0x900/0x900 [ 241.599220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.604767] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.610226] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.615689] ? addrconf_rs_timer+0x6f0/0x6f0 [ 241.620247] ndisc_alloc_skb+0x144/0x340 [ 241.624314] ndisc_send_rs+0x331/0x6e0 [ 241.628246] addrconf_rs_timer+0x3c0/0x6f0 [ 241.632492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.636748] call_timer_fn+0x272/0x920 [ 241.640638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.644985] ? process_timeout+0x40/0x40 [ 241.649062] ? find_held_lock+0x36/0x1c0 [ 241.653131] ? __run_timers+0x7da/0xc70 [ 241.657109] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.661604] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.666313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.670550] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.675134] ? trace_hardirqs_on+0xbd/0x310 [ 241.679455] ? kasan_check_read+0x11/0x20 [ 241.683608] ? __run_timers+0x7da/0xc70 [ 241.687588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.693049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.697303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.701541] __run_timers+0x7e5/0xc70 [ 241.705361] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.710744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.715762] ? graph_lock+0x170/0x170 [ 241.719587] ? enqueue_hrtimer+0x1a5/0x560 [ 241.723822] ? lock_release+0x970/0x970 [ 241.727795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.732998] ? find_held_lock+0x36/0x1c0 [ 241.737082] ? graph_lock+0x170/0x170 [ 241.740887] ? pvclock_read_flags+0x160/0x160 [ 241.745471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.751009] ? check_preemption_disabled+0x48/0x200 [ 241.756047] ? __lock_is_held+0xb5/0x140 [ 241.760111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.765644] ? check_preemption_disabled+0x48/0x200 [ 241.770672] run_timer_softirq+0x52/0xb0 [ 241.774738] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.779772] __do_softirq+0x30b/0xad8 [ 241.783596] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.788706] ? pvclock_read_flags+0x160/0x160 [ 241.793245] ? lapic_next_event+0x5a/0x90 [ 241.797396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.802933] ? check_preemption_disabled+0x48/0x200 [ 241.807951] ? check_preemption_disabled+0x48/0x200 [ 241.812982] ? kvm_clock_read+0x18/0x30 [ 241.816970] ? kvm_sched_clock_read+0x9/0x20 [ 241.821487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.827029] ? check_preemption_disabled+0x48/0x200 [ 241.832056] irq_exit+0x17f/0x1c0 [ 241.835522] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.840375] ? smp_reschedule_interrupt+0x109/0x650 [ 241.845396] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.851285] ? interrupt_entry+0xb5/0xf0 [ 241.855350] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.860538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.865562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.870419] ? trace_hardirqs_off+0x300/0x300 [ 241.874912] ? trace_hardirqs_off+0x300/0x300 [ 241.879714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.885360] ? check_preemption_disabled+0x48/0x200 [ 241.890381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.895927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.900786] apic_timer_interrupt+0xf/0x20 [ 241.905027] [ 241.907271] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.912209] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 241.931117] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 241.938956] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 241.946222] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 241.953544] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 241.960823] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 241.968091] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 241.975407] skb_clone+0x1bb/0x500 [ 241.978948] ? finish_task_switch+0x664/0x900 [ 241.983453] ? skb_split+0x11e0/0x11e0 [ 241.987342] ? preempt_notifier_register+0x200/0x200 [ 241.992444] ? __switch_to_asm+0x34/0x70 [ 241.996509] ? __switch_to_asm+0x34/0x70 [ 242.000571] ? __switch_to_asm+0x40/0x70 [ 242.004629] ? __switch_to_asm+0x34/0x70 [ 242.008686] ? __switch_to_asm+0x40/0x70 [ 242.012753] ? __switch_to_asm+0x34/0x70 [ 242.016829] ? __switch_to_asm+0x40/0x70 [ 242.020886] ? __switch_to_asm+0x34/0x70 [ 242.024951] ? __switch_to_asm+0x34/0x70 [ 242.029019] ? __switch_to_asm+0x40/0x70 [ 242.033079] ? __switch_to_asm+0x34/0x70 [ 242.037152] bpf_clone_redirect+0xb9/0x490 [ 242.041400] ? __schedule+0x874/0x1ed0 [ 242.045292] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 242.050317] ? __sched_text_start+0x8/0x8 [ 242.054468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.059251] ? find_held_lock+0x36/0x1c0 [ 242.063324] ? lock_acquire+0x1ed/0x520 [ 242.067298] ? bpf_test_run+0x32e/0x5a0 [ 242.071290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.076825] ? check_preemption_disabled+0x48/0x200 [ 242.081847] ? kasan_check_read+0x11/0x20 [ 242.086030] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.091312] ? rcu_bh_qs+0xc0/0xc0 [ 242.094853] ? preempt_schedule+0x4d/0x60 [ 242.099005] ? ___preempt_schedule+0x16/0x18 [ 242.103431] ? bpf_test_run+0x1c0/0x5a0 [ 242.107417] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.111826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.117365] ? bpf_test_init.isra.9+0x70/0x100 [ 242.121967] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.126728] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.131573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.137147] ? fput+0x130/0x1a0 [ 242.140432] ? __bpf_prog_get+0x9b/0x290 [ 242.144497] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.149342] ? bpf_prog_test_run+0x130/0x1a0 [ 242.153753] ? __x64_sys_bpf+0x3d8/0x510 [ 242.157814] ? bpf_prog_get+0x20/0x20 [ 242.161622] ? ksys_ioctl+0x81/0xd0 [ 242.165267] ? do_syscall_64+0x1b9/0x820 [ 242.169330] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.174710] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.179646] ? trace_hardirqs_off+0x300/0x300 [ 242.184142] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.189179] ? recalc_sigpending_tsk+0x180/0x180 [ 242.193932] ? kasan_check_write+0x14/0x20 [ 242.198175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.203042] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.208425] warn_alloc_show_mem: 1 callbacks suppressed [ 242.208437] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 242.208439] Mem-Info: [ 242.208482] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 242.208482] active_file:17 inactive_file:11 isolated_file:5 [ 242.208482] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.208482] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 242.208482] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 242.208482] free:13528 free_pcp:440 free_cma:0 [ 242.213830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.221053] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.223448] Call Trace: [ 242.256318] Node 0 [ 242.265670] [ 242.293439] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.296000] dump_stack+0x1c4/0x2b4 [ 242.298214] lowmem_reserve[]: [ 242.300366] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.325847] 0 [ 242.329505] warn_alloc.cold.118+0xb7/0x1bd [ 242.332591] 2815 [ 242.337775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.339556] 6318 [ 242.343872] ? lock_downgrade+0x900/0x900 [ 242.345913] 6318 [ 242.350755] ? trace_hardirqs_off+0xb8/0x300 [ 242.356947] ? trace_hardirqs_off+0xb8/0x300 [ 242.359017] Node 0 [ 242.363419] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.367823] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 242.370063] ? warn_alloc+0x120/0x120 [ 242.374847] lowmem_reserve[]: 0 [ 242.402460] ? warn_alloc+0x120/0x120 [ 242.406273] 0 [ 242.409557] ? print_usage_bug+0xc0/0xc0 [ 242.413335] 3503 [ 242.415142] ? warn_alloc+0x120/0x120 [ 242.419174] 3503 [ 242.421280] ? print_usage_bug+0xc0/0xc0 [ 242.425070] Node 0 [ 242.427128] ? __lock_acquire+0x7ec/0x4ec0 [ 242.431196] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 242.433402] ? __lock_acquire+0x7ec/0x4ec0 [ 242.437615] lowmem_reserve[]: [ 242.466068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.470286] 0 [ 242.473414] ? should_fail+0x22d/0xd01 [ 242.478927] 0 [ 242.480724] ? __lock_acquire+0x7ec/0x4ec0 [ 242.484588] 0 [ 242.486388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.490590] 0 [ 242.492401] ? __lock_acquire+0x7ec/0x4ec0 [ 242.497492] Node 0 [ 242.499319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.503531] DMA: [ 242.505763] ? __lock_acquire+0x7ec/0x4ec0 [ 242.510842] 1*4kB [ 242.512904] ? should_fail+0x22d/0xd01 [ 242.517123] (U) [ 242.519282] ? mark_held_locks+0x130/0x130 [ 242.523142] 0*8kB 0*16kB [ 242.525130] ? mark_held_locks+0x130/0x130 [ 242.529343] 1*32kB [ 242.532098] ? graph_lock+0x170/0x170 [ 242.536305] (U) [ 242.538545] ? print_usage_bug+0xc0/0xc0 [ 242.542327] 2*64kB [ 242.544315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.548349] (U) [ 242.550582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.556094] 1*128kB [ 242.558073] ? check_preemption_disabled+0x48/0x200 [ 242.563585] (U) [ 242.565907] ? check_preemption_disabled+0x48/0x200 [ 242.570900] 1*256kB [ 242.572876] ? __lock_is_held+0xb5/0x140 [ 242.577863] (U) [ 242.580189] __alloc_pages_nodemask+0xa80/0xde0 [ 242.584224] 0*512kB [ 242.586193] ? graph_lock+0x170/0x170 [ 242.590837] 1*1024kB [ 242.593154] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.596929] (U) [ 242.599338] ? graph_lock+0x170/0x170 [ 242.604324] 1*2048kB (M) [ 242.606313] ? find_held_lock+0x36/0x1c0 [ 242.610084] 3*4096kB [ 242.612850] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.616886] (M) [ 242.619295] ? lock_downgrade+0x900/0x900 [ 242.623938] = 15908kB [ 242.625927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.630055] Node 0 [ 242.632466] cache_grow_begin+0x91/0x8c0 [ 242.637973] DMA32: 4*4kB [ 242.640221] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.644263] (UM) [ 242.647024] fallback_alloc+0x203/0x2e0 [ 242.651402] 3*8kB (UM) [ 242.653476] ____cache_alloc_node+0x1c7/0x1e0 [ 242.657425] 1*16kB [ 242.660003] kmem_cache_alloc_node+0xe3/0x730 [ 242.664476] (M) [ 242.666708] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.671180] 2*32kB [ 242.673155] __alloc_skb+0x119/0x770 [ 242.677363] (UM) [ 242.679600] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.683310] 3*64kB [ 242.685375] ? skb_scrub_packet+0x490/0x490 [ 242.690622] (UM) 4*128kB [ 242.692876] ? lock_downgrade+0x900/0x900 [ 242.697177] (UM) 2*256kB [ 242.699943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.704066] (M) [ 242.706830] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.712343] 4*512kB [ 242.714314] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.719737] (UM) [ 242.722057] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.727481] 3*1024kB [ 242.729555] ndisc_alloc_skb+0x144/0x340 [ 242.733930] (M) [ 242.736337] ndisc_send_rs+0x331/0x6e0 [ 242.740376] 1*2048kB [ 242.742350] addrconf_rs_timer+0x3c0/0x6f0 [ 242.746221] (M) [ 242.748628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.752832] 4*4096kB (M) [ 242.754827] call_timer_fn+0x272/0x920 [ 242.759037] = 24888kB [ 242.761795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.765658] Node 0 [ 242.768090] ? process_timeout+0x40/0x40 [ 242.772308] Normal: [ 242.774552] ? find_held_lock+0x36/0x1c0 [ 242.778593] 1035*4kB [ 242.780916] ? __run_timers+0x7da/0xc70 [ 242.784959] (MEH) [ 242.787378] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.791328] 457*8kB [ 242.793472] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.797946] (UMEH) [ 242.800303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.804769] 163*16kB (MEH) [ 242.807044] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.811271] 58*32kB [ 242.814199] ? trace_hardirqs_on+0xbd/0x310 [ 242.818753] (UMEH) [ 242.821083] ? kasan_check_read+0x11/0x20 [ 242.825377] 13*64kB (UMH) [ 242.827619] ? __run_timers+0x7da/0xc70 [ 242.831751] 2*128kB (H) [ 242.834600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.838549] 0*256kB [ 242.841237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.846694] 0*512kB 0*1024kB [ 242.849034] __run_timers+0x7e5/0xc70 [ 242.853247] 0*2048kB [ 242.856387] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.860161] 0*4096kB [ 242.862653] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.867992] = 13348kB [ 242.870406] ? graph_lock+0x170/0x170 [ 242.875405] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.877853] ? enqueue_hrtimer+0x1a5/0x560 [ 242.881642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.890468] ? lock_release+0x970/0x970 [ 242.894678] 412 total pagecache pages [ 242.903266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.907222] 0 pages in swap cache [ 242.911039] ? find_held_lock+0x36/0x1c0 [ 242.916213] Swap cache stats: add 0, delete 0, find 0/0 [ 242.916223] Free swap = 0kB [ 242.919687] ? graph_lock+0x170/0x170 [ 242.923731] Total swap = 0kB [ 242.929090] ? pvclock_read_flags+0x160/0x160 [ 242.932118] 1965979 pages RAM [ 242.935929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.938934] 0 pages HighMem/MovableOnly [ 242.943422] ? check_preemption_disabled+0x48/0x200 [ 242.946504] 343323 pages reserved [ 242.952048] ? __lock_is_held+0xb5/0x140 [ 242.955991] 0 pages cma reserved [ 242.961003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.964505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.968489] ? check_preemption_disabled+0x48/0x200 [ 242.968511] run_timer_softirq+0x52/0xb0 [ 242.971936] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.977407] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.983877] syz-executor3 cpuset= [ 242.988892] __do_softirq+0x30b/0xad8 [ 242.992938] syz3 [ 243.003441] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.008440] mems_allowed=0 [ 243.011898] ? pvclock_read_flags+0x160/0x160 [ 243.030146] ? lapic_next_event+0x5a/0x90 [ 243.034309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.039849] ? check_preemption_disabled+0x48/0x200 [ 243.044865] ? check_preemption_disabled+0x48/0x200 [ 243.049891] ? kvm_clock_read+0x18/0x30 [ 243.053864] ? kvm_sched_clock_read+0x9/0x20 [ 243.058281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.063817] ? check_preemption_disabled+0x48/0x200 [ 243.068848] irq_exit+0x17f/0x1c0 [ 243.072309] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.077152] ? smp_reschedule_interrupt+0x109/0x650 [ 243.082172] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.088057] ? interrupt_entry+0xb5/0xf0 [ 243.092121] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.097142] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.102159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.107035] ? trace_hardirqs_off+0x300/0x300 [ 243.111533] ? trace_hardirqs_off+0x300/0x300 [ 243.116028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.121566] ? check_preemption_disabled+0x48/0x200 [ 243.126582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.132127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.136982] apic_timer_interrupt+0xf/0x20 [ 243.141223] [ 243.143477] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 243.148407] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 243.167311] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 243.175043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 243.182308] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 243.189576] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 243.196846] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 243.204133] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 243.211451] skb_clone+0x1bb/0x500 [ 243.214993] ? finish_task_switch+0x1b5/0x900 [ 243.219489] ? skb_split+0x11e0/0x11e0 [ 243.223386] ? preempt_notifier_register+0x200/0x200 [ 243.228487] ? __switch_to_asm+0x34/0x70 [ 243.232552] ? __switch_to_asm+0x34/0x70 [ 243.236604] ? __switch_to_asm+0x40/0x70 [ 243.240656] ? __switch_to_asm+0x34/0x70 [ 243.244718] ? __switch_to_asm+0x40/0x70 [ 243.248775] ? __switch_to_asm+0x34/0x70 [ 243.252833] ? __switch_to_asm+0x40/0x70 [ 243.256896] ? __switch_to_asm+0x34/0x70 [ 243.260960] ? __switch_to_asm+0x34/0x70 [ 243.265028] ? __switch_to_asm+0x40/0x70 [ 243.269086] ? __switch_to_asm+0x34/0x70 [ 243.273166] bpf_clone_redirect+0xb9/0x490 [ 243.277404] ? __schedule+0x874/0x1ed0 [ 243.281301] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 243.286318] ? __sched_text_start+0x8/0x8 [ 243.290476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.295235] ? find_held_lock+0x36/0x1c0 [ 243.299303] ? lock_acquire+0x1ed/0x520 [ 243.303306] ? bpf_test_run+0x32e/0x5a0 [ 243.307282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.312822] ? check_preemption_disabled+0x48/0x200 [ 243.317846] ? kasan_check_read+0x11/0x20 [ 243.321999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.327276] ? rcu_bh_qs+0xc0/0xc0 [ 243.330819] ? preempt_schedule+0x4d/0x60 [ 243.334976] ? ___preempt_schedule+0x16/0x18 [ 243.339391] ? bpf_test_run+0x1c0/0x5a0 [ 243.343376] ? netlink_diag_dump+0x2a0/0x2a0 [ 243.347792] ? bpf_prog_test_run_skb+0x295/0xb40 [ 243.352571] ? bpf_prog_test_run_skb+0x634/0xb40 [ 243.357333] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.362172] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.367707] ? fput+0x130/0x1a0 [ 243.370989] ? __bpf_prog_get+0x9b/0x290 [ 243.375059] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.379897] ? bpf_prog_test_run+0x130/0x1a0 [ 243.384308] ? __x64_sys_bpf+0x3d8/0x510 [ 243.388366] ? bpf_prog_get+0x20/0x20 [ 243.392189] ? do_syscall_64+0x1b9/0x820 [ 243.396266] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.401633] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.406573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.411418] ? trace_hardirqs_off+0x300/0x300 [ 243.415918] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.420958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.426508] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.431548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.436402] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.441807] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 243.441880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.448999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.449004] Call Trace: [ 243.449011] [ 243.449036] dump_stack+0x1c4/0x2b4 [ 243.449053] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.455597] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.464903] warn_alloc.cold.118+0xb7/0x1bd [ 243.467458] syz-executor3 cpuset= [ 243.469605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.473214] syz3 [ 243.478407] ? lock_downgrade+0x900/0x900 [ 243.488895] mems_allowed=0 [ 243.493243] ? trace_hardirqs_off+0xb8/0x300 [ 243.515369] ? trace_hardirqs_off+0xb8/0x300 [ 243.519792] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.524667] ? warn_alloc+0x120/0x120 [ 243.528473] ? warn_alloc+0x120/0x120 [ 243.532281] ? print_usage_bug+0xc0/0xc0 [ 243.536346] ? warn_alloc+0x120/0x120 [ 243.540161] ? print_usage_bug+0xc0/0xc0 [ 243.544241] ? __lock_acquire+0x7ec/0x4ec0 [ 243.548488] ? __lock_acquire+0x7ec/0x4ec0 [ 243.553214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.558761] ? should_fail+0x22d/0xd01 [ 243.562654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.567756] ? __lock_acquire+0x7ec/0x4ec0 [ 243.571995] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.577105] ? __lock_acquire+0x7ec/0x4ec0 [ 243.581338] ? should_fail+0x22d/0xd01 [ 243.585243] ? mark_held_locks+0x130/0x130 [ 243.589486] ? mark_held_locks+0x130/0x130 [ 243.593722] ? graph_lock+0x170/0x170 [ 243.597524] ? graph_lock+0x170/0x170 [ 243.601327] ? graph_lock+0x170/0x170 [ 243.605131] ? print_usage_bug+0xc0/0xc0 [ 243.609194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.614753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.620289] ? check_preemption_disabled+0x48/0x200 [ 243.625305] ? check_preemption_disabled+0x48/0x200 [ 243.630331] ? __lock_is_held+0xb5/0x140 [ 243.634400] __alloc_pages_nodemask+0xa80/0xde0 [ 243.639070] ? graph_lock+0x170/0x170 [ 243.642877] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.647890] ? graph_lock+0x170/0x170 [ 243.651708] ? find_held_lock+0x36/0x1c0 [ 243.655780] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.660449] ? lock_downgrade+0x900/0x900 [ 243.664604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.670146] cache_grow_begin+0x91/0x8c0 [ 243.674207] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.678631] fallback_alloc+0x203/0x2e0 [ 243.682613] ____cache_alloc_node+0x1c7/0x1e0 [ 243.687116] kmem_cache_alloc_node+0xe3/0x730 [ 243.691614] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.695865] __alloc_skb+0x119/0x770 [ 243.699582] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.704869] ? skb_scrub_packet+0x490/0x490 [ 243.709188] ? lock_downgrade+0x900/0x900 [ 243.713348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.718890] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.724347] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.729806] ? addrconf_rs_timer+0x6f0/0x6f0 [ 243.734230] ndisc_alloc_skb+0x144/0x340 [ 243.738306] ndisc_send_rs+0x331/0x6e0 [ 243.742203] addrconf_rs_timer+0x3c0/0x6f0 [ 243.746451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.750718] call_timer_fn+0x272/0x920 [ 243.754608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.758849] ? process_timeout+0x40/0x40 [ 243.762906] ? find_held_lock+0x36/0x1c0 [ 243.766976] ? __run_timers+0x7da/0xc70 [ 243.770962] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.775452] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.779943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.784186] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.788781] ? trace_hardirqs_on+0xbd/0x310 [ 243.793099] ? kasan_check_read+0x11/0x20 [ 243.797264] ? __run_timers+0x7da/0xc70 [ 243.801270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.806750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.810993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.815259] __run_timers+0x7e5/0xc70 [ 243.819072] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.824436] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.829468] ? graph_lock+0x170/0x170 [ 243.833277] ? enqueue_hrtimer+0x1a5/0x560 [ 243.837508] ? lock_release+0x970/0x970 [ 243.841484] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.846682] ? find_held_lock+0x36/0x1c0 [ 243.850751] ? graph_lock+0x170/0x170 [ 243.854554] ? pvclock_read_flags+0x160/0x160 [ 243.859064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.864605] ? check_preemption_disabled+0x48/0x200 [ 243.869635] ? __lock_is_held+0xb5/0x140 [ 243.873701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.879252] ? check_preemption_disabled+0x48/0x200 [ 243.884279] run_timer_softirq+0x52/0xb0 [ 243.888365] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.893385] __do_softirq+0x30b/0xad8 [ 243.897208] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.902334] ? pvclock_read_flags+0x160/0x160 [ 243.906828] ? lapic_next_event+0x5a/0x90 [ 243.910977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.916512] ? check_preemption_disabled+0x48/0x200 [ 243.921531] ? check_preemption_disabled+0x48/0x200 [ 243.926555] ? kvm_clock_read+0x18/0x30 [ 243.930533] ? kvm_sched_clock_read+0x9/0x20 [ 243.934950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.940484] ? check_preemption_disabled+0x48/0x200 [ 243.945516] irq_exit+0x17f/0x1c0 [ 243.948973] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.953815] ? smp_reschedule_interrupt+0x109/0x650 [ 243.958832] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.964715] ? interrupt_entry+0xb5/0xf0 [ 243.968780] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.973795] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.978810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.983664] ? trace_hardirqs_off+0x300/0x300 [ 243.988193] ? trace_hardirqs_off+0x300/0x300 [ 243.992715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.998264] ? check_preemption_disabled+0x48/0x200 [ 244.003280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.008829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.013683] apic_timer_interrupt+0xf/0x20 [ 244.017921] [ 244.020162] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.025090] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 244.043984] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 244.051701] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.058965] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 244.066231] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 244.073504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.080772] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 244.088091] skb_clone+0x1bb/0x500 [ 244.091635] ? finish_task_switch+0x664/0x900 [ 244.096130] ? skb_split+0x11e0/0x11e0 [ 244.100023] ? preempt_notifier_register+0x200/0x200 [ 244.105124] ? __switch_to_asm+0x34/0x70 [ 244.109187] ? __switch_to_asm+0x34/0x70 [ 244.113254] ? __switch_to_asm+0x40/0x70 [ 244.117310] ? __switch_to_asm+0x34/0x70 [ 244.121373] ? __switch_to_asm+0x40/0x70 [ 244.125432] ? __switch_to_asm+0x34/0x70 [ 244.129490] ? __switch_to_asm+0x40/0x70 [ 244.133565] ? __switch_to_asm+0x34/0x70 [ 244.137648] ? __switch_to_asm+0x34/0x70 [ 244.141709] ? __switch_to_asm+0x40/0x70 [ 244.145770] ? __switch_to_asm+0x34/0x70 [ 244.149845] bpf_clone_redirect+0xb9/0x490 [ 244.154080] ? __schedule+0x874/0x1ed0 [ 244.157981] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 244.163004] ? __sched_text_start+0x8/0x8 [ 244.167159] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.171927] ? find_held_lock+0x36/0x1c0 [ 244.176008] ? lock_acquire+0x1ed/0x520 [ 244.180026] ? bpf_test_run+0x32e/0x5a0 [ 244.184013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.189555] ? check_preemption_disabled+0x48/0x200 [ 244.194574] ? kasan_check_read+0x11/0x20 [ 244.198725] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.204006] ? rcu_bh_qs+0xc0/0xc0 [ 244.207558] ? preempt_schedule+0x4d/0x60 [ 244.211709] ? ___preempt_schedule+0x16/0x18 [ 244.216128] ? bpf_test_run+0x1c0/0x5a0 [ 244.220127] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.224556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.230094] ? bpf_test_init.isra.9+0x70/0x100 [ 244.234682] ? bpf_prog_test_run_skb+0x634/0xb40 [ 244.239442] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.244279] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.249827] ? fput+0x130/0x1a0 [ 244.253107] ? __bpf_prog_get+0x9b/0x290 [ 244.257175] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 244.262043] ? bpf_prog_test_run+0x130/0x1a0 [ 244.266460] ? __x64_sys_bpf+0x3d8/0x510 [ 244.270522] ? bpf_prog_get+0x20/0x20 [ 244.274368] ? ksys_ioctl+0x81/0xd0 [ 244.278032] ? do_syscall_64+0x1b9/0x820 [ 244.282109] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.287486] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.292422] ? trace_hardirqs_off+0x300/0x300 [ 244.296917] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.301936] ? recalc_sigpending_tsk+0x180/0x180 [ 244.306715] ? kasan_check_write+0x14/0x20 [ 244.310960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.315829] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.321206] warn_alloc_show_mem: 1 callbacks suppressed [ 244.321218] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 244.321220] Mem-Info: [ 244.321259] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 244.321259] active_file:17 inactive_file:11 isolated_file:5 [ 244.321259] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.321259] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 244.321259] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 244.321259] free:13528 free_pcp:440 free_cma:0 [ 244.326601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.333791] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.336189] Call Trace: [ 244.369051] Node 0 [ 244.378399] [ 244.406342] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.408904] dump_stack+0x1c4/0x2b4 [ 244.411131] lowmem_reserve[]: [ 244.413292] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.438762] 0 2815 [ 244.442418] warn_alloc.cold.118+0xb7/0x1bd [ 244.445490] 6318 [ 244.450679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.452904] 6318 [ 244.457218] ? lock_downgrade+0x900/0x900 [ 244.464100] ? trace_hardirqs_off+0xb8/0x300 [ 244.466138] Node 0 [ 244.470286] ? trace_hardirqs_off+0xb8/0x300 [ 244.474722] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 244.476964] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.481343] lowmem_reserve[]: [ 244.508558] ? warn_alloc+0x120/0x120 [ 244.513355] 0 [ 244.516465] ? warn_alloc+0x120/0x120 [ 244.520245] 0 [ 244.522043] ? print_usage_bug+0xc0/0xc0 [ 244.522060] ? warn_alloc+0x120/0x120 [ 244.525842] 3503 [ 244.527651] ? print_usage_bug+0xc0/0xc0 [ 244.532123] 3503 [ 244.535920] ? __lock_acquire+0x7ec/0x4ec0 [ 244.542022] ? __lock_acquire+0x7ec/0x4ec0 [ 244.544065] Node 0 [ 244.548322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.552551] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 244.552560] lowmem_reserve[]: [ 244.554823] ? should_fail+0x22d/0xd01 [ 244.560340] 0 [ 244.588812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.591903] 0 [ 244.595827] ? __lock_acquire+0x7ec/0x4ec0 [ 244.597772] 0 [ 244.602881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.604658] 0 [ 244.608889] ? __lock_acquire+0x7ec/0x4ec0 [ 244.615766] ? should_fail+0x22d/0xd01 [ 244.617551] Node 0 [ 244.621798] ? mark_held_locks+0x130/0x130 [ 244.625651] DMA: [ 244.627886] ? mark_held_locks+0x130/0x130 [ 244.632098] 1*4kB [ 244.634160] ? graph_lock+0x170/0x170 [ 244.634179] ? graph_lock+0x170/0x170 [ 244.638547] (U) [ 244.640695] ? graph_lock+0x170/0x170 [ 244.644475] 0*8kB [ 244.648271] ? print_usage_bug+0xc0/0xc0 [ 244.650230] 0*16kB [ 244.654028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.654056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.656185] 1*32kB [ 244.660237] ? check_preemption_disabled+0x48/0x200 [ 244.662459] (U) [ 244.667982] ? check_preemption_disabled+0x48/0x200 [ 244.668008] ? __lock_is_held+0xb5/0x140 [ 244.673562] 2*64kB (U) [ 244.675807] __alloc_pages_nodemask+0xa80/0xde0 [ 244.680797] 1*128kB [ 244.682764] ? graph_lock+0x170/0x170 [ 244.687760] (U) [ 244.691816] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.694379] 1*256kB [ 244.699039] ? graph_lock+0x170/0x170 [ 244.701352] (U) [ 244.705169] ? find_held_lock+0x36/0x1c0 [ 244.707132] 0*512kB [ 244.712145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.714442] 1*1024kB [ 244.718234] ? lock_downgrade+0x900/0x900 [ 244.720193] (U) [ 244.724280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.726582] 1*2048kB [ 244.731250] cache_grow_begin+0x91/0x8c0 [ 244.733864] (M) [ 244.738009] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.739967] 3*4096kB [ 244.745502] fallback_alloc+0x203/0x2e0 [ 244.747888] (M) [ 244.751948] ____cache_alloc_node+0x1c7/0x1e0 [ 244.753892] = 15908kB [ 244.753901] Node 0 [ 244.758322] kmem_cache_alloc_node+0xe3/0x730 [ 244.760699] DMA32: 4*4kB [ 244.764689] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.766645] (UM) [ 244.771145] __alloc_skb+0x119/0x770 [ 244.773539] 3*8kB [ 244.775778] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.780259] (UM) [ 244.783011] ? skb_scrub_packet+0x490/0x490 [ 244.787226] 1*16kB [ 244.789287] ? lock_downgrade+0x900/0x900 [ 244.792985] (M) 2*32kB [ 244.795145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.800393] (UM) [ 244.802454] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.806749] 3*64kB [ 244.808977] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.808994] ? addrconf_rs_timer+0x6f0/0x6f0 [ 244.809022] ndisc_alloc_skb+0x144/0x340 [ 244.813142] (UM) 4*128kB [ 244.815748] ndisc_send_rs+0x331/0x6e0 [ 244.821513] (UM) 2*256kB [ 244.823596] addrconf_rs_timer+0x3c0/0x6f0 [ 244.829030] (M) [ 244.831267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.836863] 4*512kB [ 244.841281] call_timer_fn+0x272/0x920 [ 244.845518] (UM) 3*1024kB (M) 1*2048kB (M) [ 244.848302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.852171] 4*4096kB [ 244.854929] ? process_timeout+0x40/0x40 [ 244.859147] (M) [ 244.861117] ? find_held_lock+0x36/0x1c0 [ 244.865327] = 24888kB [ 244.867654] ? __run_timers+0x7da/0xc70 [ 244.871528] Node 0 [ 244.875855] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.880067] Normal: [ 244.882475] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.886515] 1035*4kB [ 244.888541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.892716] (MEH) [ 244.895126] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.899082] 457*8kB [ 244.901351] ? trace_hardirqs_on+0xbd/0x310 [ 244.906062] (UMEH) [ 244.908386] ? kasan_check_read+0x11/0x20 [ 244.912859] 163*16kB [ 244.915256] ? __run_timers+0x7da/0xc70 [ 244.915278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.919488] (MEH) [ 244.921652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.926201] 58*32kB (UMEH) [ 244.928539] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.932829] 13*64kB [ 244.935065] __run_timers+0x7e5/0xc70 [ 244.939192] (UMH) [ 244.941604] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.945548] 2*128kB [ 244.951003] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.953130] (H) 0*256kB [ 244.957371] ? graph_lock+0x170/0x170 [ 244.960294] 0*512kB [ 244.964530] ? enqueue_hrtimer+0x1a5/0x560 [ 244.966826] 0*1024kB [ 244.970628] ? lock_release+0x970/0x970 [ 244.972771] 0*2048kB [ 244.978132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.980428] 0*4096kB = 13348kB [ 244.985449] ? find_held_lock+0x36/0x1c0 [ 244.988102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.991890] ? graph_lock+0x170/0x170 [ 244.994194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.998415] ? pvclock_read_flags+0x160/0x160 [ 245.000804] 412 total pagecache pages [ 245.004773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.007166] 0 pages in swap cache [ 245.012344] ? check_preemption_disabled+0x48/0x200 [ 245.015517] Swap cache stats: add 0, delete 0, find 0/0 [ 245.019581] ? __lock_is_held+0xb5/0x140 [ 245.028383] Free swap = 0kB [ 245.028392] Total swap = 0kB [ 245.032185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.040739] 1965979 pages RAM [ 245.045228] ? check_preemption_disabled+0x48/0x200 [ 245.049021] 0 pages HighMem/MovableOnly [ 245.054560] run_timer_softirq+0x52/0xb0 [ 245.057989] 343323 pages reserved [ 245.062998] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.068343] 0 pages cma reserved [ 245.072400] __do_softirq+0x30b/0xad8 [ 245.075458] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.078414] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.078439] ? pvclock_read_flags+0x160/0x160 [ 245.084024] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.087063] ? lapic_next_event+0x5a/0x90 [ 245.092060] syz-executor3 cpuset= [ 245.096061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.100100] syz3 [ 245.103551] ? check_preemption_disabled+0x48/0x200 [ 245.108552] mems_allowed=0 [ 245.111912] ? check_preemption_disabled+0x48/0x200 [ 245.170194] ? kvm_clock_read+0x18/0x30 [ 245.174197] ? kvm_sched_clock_read+0x9/0x20 [ 245.178608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.184157] ? check_preemption_disabled+0x48/0x200 [ 245.189184] irq_exit+0x17f/0x1c0 [ 245.192643] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.197487] ? smp_reschedule_interrupt+0x109/0x650 [ 245.202509] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.208403] ? interrupt_entry+0xb5/0xf0 [ 245.212469] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.217487] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.222508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.227362] ? trace_hardirqs_off+0x300/0x300 [ 245.231857] ? trace_hardirqs_off+0x300/0x300 [ 245.236355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.241892] ? check_preemption_disabled+0x48/0x200 [ 245.246907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.252452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.257309] apic_timer_interrupt+0xf/0x20 [ 245.261540] [ 245.263782] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.268716] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 245.287618] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 245.295326] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.302602] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 245.309875] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 245.317143] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 245.324414] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.331729] skb_clone+0x1bb/0x500 [ 245.335273] ? finish_task_switch+0x1b5/0x900 [ 245.339772] ? skb_split+0x11e0/0x11e0 [ 245.343664] ? preempt_notifier_register+0x200/0x200 [ 245.348769] ? __switch_to_asm+0x34/0x70 [ 245.352829] ? __switch_to_asm+0x34/0x70 [ 245.356886] ? __switch_to_asm+0x40/0x70 [ 245.360960] ? __switch_to_asm+0x34/0x70 [ 245.365028] ? __switch_to_asm+0x40/0x70 [ 245.369088] ? __switch_to_asm+0x34/0x70 [ 245.373146] ? __switch_to_asm+0x40/0x70 [ 245.377205] ? __switch_to_asm+0x34/0x70 [ 245.381266] ? __switch_to_asm+0x34/0x70 [ 245.385324] ? __switch_to_asm+0x40/0x70 [ 245.389388] ? __switch_to_asm+0x34/0x70 [ 245.393458] bpf_clone_redirect+0xb9/0x490 [ 245.397694] ? __schedule+0x874/0x1ed0 [ 245.401585] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 245.406612] ? __sched_text_start+0x8/0x8 [ 245.410769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.415535] ? find_held_lock+0x36/0x1c0 [ 245.419618] ? lock_acquire+0x1ed/0x520 [ 245.423593] ? bpf_test_run+0x32e/0x5a0 [ 245.427569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.433101] ? check_preemption_disabled+0x48/0x200 [ 245.438118] ? kasan_check_read+0x11/0x20 [ 245.442282] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.447562] ? rcu_bh_qs+0xc0/0xc0 [ 245.451104] ? preempt_schedule+0x4d/0x60 [ 245.455247] ? ___preempt_schedule+0x16/0x18 [ 245.459671] ? bpf_test_run+0x1c0/0x5a0 [ 245.463658] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.468087] ? bpf_prog_test_run_skb+0x295/0xb40 [ 245.472858] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.477620] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.482484] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.488023] ? fput+0x130/0x1a0 [ 245.491304] ? __bpf_prog_get+0x9b/0x290 [ 245.495383] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.500224] ? bpf_prog_test_run+0x130/0x1a0 [ 245.504638] ? __x64_sys_bpf+0x3d8/0x510 [ 245.508793] ? bpf_prog_get+0x20/0x20 [ 245.512615] ? do_syscall_64+0x1b9/0x820 [ 245.516687] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.522053] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.526979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.531822] ? trace_hardirqs_off+0x300/0x300 [ 245.536320] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.541341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.546880] ? prepare_exit_to_usermode+0x291/0x3b0 [ 245.551903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.556757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.562142] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 245.562210] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.569339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.569344] Call Trace: [ 245.569352] [ 245.569375] dump_stack+0x1c4/0x2b4 [ 245.569394] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.575928] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.585235] warn_alloc.cold.118+0xb7/0x1bd [ 245.587790] syz-executor3 cpuset= [ 245.589935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.593539] syz3 [ 245.598725] ? lock_downgrade+0x900/0x900 [ 245.609212] mems_allowed=0 [ 245.613560] ? trace_hardirqs_off+0xb8/0x300 [ 245.635269] ? trace_hardirqs_off+0xb8/0x300 [ 245.639699] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.644585] ? warn_alloc+0x120/0x120 [ 245.648392] ? warn_alloc+0x120/0x120 [ 245.652194] ? print_usage_bug+0xc0/0xc0 [ 245.656274] ? warn_alloc+0x120/0x120 [ 245.660077] ? print_usage_bug+0xc0/0xc0 [ 245.664141] ? __lock_acquire+0x7ec/0x4ec0 [ 245.668380] ? __lock_acquire+0x7ec/0x4ec0 [ 245.672619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.678162] ? should_fail+0x22d/0xd01 [ 245.682076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.687186] ? __lock_acquire+0x7ec/0x4ec0 [ 245.691426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.696532] ? __lock_acquire+0x7ec/0x4ec0 [ 245.700768] ? should_fail+0x22d/0xd01 [ 245.704669] ? mark_held_locks+0x130/0x130 [ 245.708912] ? mark_held_locks+0x130/0x130 [ 245.713147] ? graph_lock+0x170/0x170 [ 245.716949] ? graph_lock+0x170/0x170 [ 245.720755] ? graph_lock+0x170/0x170 [ 245.724558] ? print_usage_bug+0xc0/0xc0 [ 245.728636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.734176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.739715] ? check_preemption_disabled+0x48/0x200 [ 245.744735] ? check_preemption_disabled+0x48/0x200 [ 245.749816] ? __lock_is_held+0xb5/0x140 [ 245.753887] __alloc_pages_nodemask+0xa80/0xde0 [ 245.758557] ? graph_lock+0x170/0x170 [ 245.762360] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.767373] ? graph_lock+0x170/0x170 [ 245.771200] ? find_held_lock+0x36/0x1c0 [ 245.775274] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.779943] ? lock_downgrade+0x900/0x900 [ 245.784105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.789647] cache_grow_begin+0x91/0x8c0 [ 245.793712] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.798128] fallback_alloc+0x203/0x2e0 [ 245.802114] ____cache_alloc_node+0x1c7/0x1e0 [ 245.806626] kmem_cache_alloc_node+0xe3/0x730 [ 245.811121] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.815394] __alloc_skb+0x119/0x770 [ 245.819111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.824390] ? skb_scrub_packet+0x490/0x490 [ 245.828713] ? lock_downgrade+0x900/0x900 [ 245.832867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.838405] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.843861] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.849315] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.853742] ndisc_alloc_skb+0x144/0x340 [ 245.857814] ndisc_send_rs+0x331/0x6e0 [ 245.861716] addrconf_rs_timer+0x3c0/0x6f0 [ 245.865960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.870223] call_timer_fn+0x272/0x920 [ 245.874117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.878357] ? process_timeout+0x40/0x40 [ 245.882415] ? find_held_lock+0x36/0x1c0 [ 245.886488] ? __run_timers+0x7da/0xc70 [ 245.890467] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.894960] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.899452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.903707] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.908293] ? trace_hardirqs_on+0xbd/0x310 [ 245.912635] ? kasan_check_read+0x11/0x20 [ 245.916787] ? __run_timers+0x7da/0xc70 [ 245.920768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.926222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.930471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.934709] __run_timers+0x7e5/0xc70 [ 245.938532] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.943904] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.948932] ? graph_lock+0x170/0x170 [ 245.952737] ? enqueue_hrtimer+0x1a5/0x560 [ 245.956983] ? lock_release+0x970/0x970 [ 245.960982] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.966178] ? find_held_lock+0x36/0x1c0 [ 245.970252] ? graph_lock+0x170/0x170 [ 245.974052] ? pvclock_read_flags+0x160/0x160 [ 245.978546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.984096] ? check_preemption_disabled+0x48/0x200 [ 245.989126] ? __lock_is_held+0xb5/0x140 [ 245.993202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.998740] ? check_preemption_disabled+0x48/0x200 [ 246.003779] run_timer_softirq+0x52/0xb0 [ 246.007842] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.012864] __do_softirq+0x30b/0xad8 [ 246.016678] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.021792] ? pvclock_read_flags+0x160/0x160 [ 246.026287] ? lapic_next_event+0x5a/0x90 [ 246.030436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.035972] ? check_preemption_disabled+0x48/0x200 [ 246.040985] ? check_preemption_disabled+0x48/0x200 [ 246.046031] ? kvm_clock_read+0x18/0x30 [ 246.050008] ? kvm_sched_clock_read+0x9/0x20 [ 246.054429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.059966] ? check_preemption_disabled+0x48/0x200 [ 246.064994] irq_exit+0x17f/0x1c0 [ 246.068456] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.073300] ? smp_reschedule_interrupt+0x109/0x650 [ 246.078318] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.084208] ? interrupt_entry+0xb5/0xf0 [ 246.088281] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.093299] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.098327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.103171] ? trace_hardirqs_off+0x300/0x300 [ 246.107671] ? trace_hardirqs_off+0x300/0x300 [ 246.112171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.117707] ? check_preemption_disabled+0x48/0x200 [ 246.122730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.128288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.133143] apic_timer_interrupt+0xf/0x20 [ 246.137372] [ 246.139634] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 246.144567] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 246.163465] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 246.171176] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.178448] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 246.185718] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 246.192983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 246.200256] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 246.207570] skb_clone+0x1bb/0x500 [ 246.211118] ? finish_task_switch+0x664/0x900 [ 246.215615] ? skb_split+0x11e0/0x11e0 [ 246.219505] ? preempt_notifier_register+0x200/0x200 [ 246.224615] ? __switch_to_asm+0x34/0x70 [ 246.228675] ? __switch_to_asm+0x34/0x70 [ 246.232731] ? __switch_to_asm+0x40/0x70 [ 246.236790] ? __switch_to_asm+0x34/0x70 [ 246.240850] ? __switch_to_asm+0x40/0x70 [ 246.244913] ? __switch_to_asm+0x34/0x70 [ 246.248977] ? __switch_to_asm+0x40/0x70 [ 246.253038] ? __switch_to_asm+0x34/0x70 [ 246.257100] ? __switch_to_asm+0x34/0x70 [ 246.261158] ? __switch_to_asm+0x40/0x70 [ 246.265215] ? __switch_to_asm+0x34/0x70 [ 246.269295] bpf_clone_redirect+0xb9/0x490 [ 246.273537] ? __schedule+0x874/0x1ed0 [ 246.277440] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 246.282461] ? __sched_text_start+0x8/0x8 [ 246.286614] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.291395] ? find_held_lock+0x36/0x1c0 [ 246.295476] ? lock_acquire+0x1ed/0x520 [ 246.299463] ? bpf_test_run+0x32e/0x5a0 [ 246.303442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.308978] ? check_preemption_disabled+0x48/0x200 [ 246.314000] ? kasan_check_read+0x11/0x20 [ 246.318169] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.323451] ? rcu_bh_qs+0xc0/0xc0 [ 246.326996] ? preempt_schedule+0x4d/0x60 [ 246.331148] ? ___preempt_schedule+0x16/0x18 [ 246.335565] ? bpf_test_run+0x1c0/0x5a0 [ 246.339556] ? netlink_diag_dump+0x2a0/0x2a0 [ 246.343971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.349507] ? bpf_test_init.isra.9+0x70/0x100 [ 246.354099] ? bpf_prog_test_run_skb+0x634/0xb40 [ 246.358866] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.363713] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.369255] ? fput+0x130/0x1a0 [ 246.372538] ? __bpf_prog_get+0x9b/0x290 [ 246.376602] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 246.381443] ? bpf_prog_test_run+0x130/0x1a0 [ 246.385880] ? __x64_sys_bpf+0x3d8/0x510 [ 246.389944] ? bpf_prog_get+0x20/0x20 [ 246.393761] ? ksys_ioctl+0x81/0xd0 [ 246.397412] ? do_syscall_64+0x1b9/0x820 [ 246.401750] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 246.407121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.412071] ? trace_hardirqs_off+0x300/0x300 [ 246.416570] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 246.421586] ? recalc_sigpending_tsk+0x180/0x180 [ 246.426346] ? kasan_check_write+0x14/0x20 [ 246.430588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.435442] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.440825] warn_alloc_show_mem: 1 callbacks suppressed [ 246.440838] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 246.440840] Mem-Info: [ 246.440871] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 246.440871] active_file:17 inactive_file:11 isolated_file:5 [ 246.440871] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.440871] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 246.440871] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 246.440871] free:13528 free_pcp:440 free_cma:0 [ 246.446207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.446216] Call Trace: [ 246.453415] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.455819] [ 246.488694] Node 0 [ 246.498047] dump_stack+0x1c4/0x2b4 [ 246.500632] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 246.528374] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.530502] lowmem_reserve[]: [ 246.532751] warn_alloc.cold.118+0xb7/0x1bd [ 246.536346] 0 [ 246.561865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.567040] 2815 [ 246.570143] ? lock_downgrade+0x900/0x900 [ 246.574433] 6318 6318 [ 246.576257] ? trace_hardirqs_off+0xb8/0x300 [ 246.583129] ? trace_hardirqs_off+0xb8/0x300 [ 246.587268] Node 0 [ 246.589768] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.594174] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 246.598583] ? warn_alloc+0x120/0x120 [ 246.600765] lowmem_reserve[]: 0 [ 246.605614] ? warn_alloc+0x120/0x120 [ 246.632739] 0 3503 [ 246.636559] ? print_usage_bug+0xc0/0xc0 [ 246.639809] 3503 [ 246.643614] ? warn_alloc+0x120/0x120 [ 246.645830] Node 0 [ 246.649885] ? print_usage_bug+0xc0/0xc0 [ 246.651953] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 246.655750] ? __lock_acquire+0x7ec/0x4ec0 [ 246.657955] lowmem_reserve[]: 0 [ 246.662020] ? __lock_acquire+0x7ec/0x4ec0 [ 246.690459] 0 [ 246.694692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.697965] 0 0 [ 246.702227] ? should_fail+0x22d/0xd01 [ 246.704023] Node 0 [ 246.709555] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.711522] DMA: [ 246.715406] ? __lock_acquire+0x7ec/0x4ec0 [ 246.717624] 1*4kB [ 246.722719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.724760] (U) [ 246.728990] ? __lock_acquire+0x7ec/0x4ec0 [ 246.731115] 0*8kB 0*16kB [ 246.736223] ? should_fail+0x22d/0xd01 [ 246.738178] 1*32kB [ 246.742415] ? mark_held_locks+0x130/0x130 [ 246.745149] (U) [ 246.749037] ? mark_held_locks+0x130/0x130 [ 246.751257] 2*64kB [ 246.755486] ? graph_lock+0x170/0x170 [ 246.757455] (U) [ 246.761681] ? graph_lock+0x170/0x170 [ 246.763896] 1*128kB [ 246.767694] ? graph_lock+0x170/0x170 [ 246.769648] (U) [ 246.773446] ? print_usage_bug+0xc0/0xc0 [ 246.775743] 1*256kB (U) [ 246.779565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.781515] 0*512kB 1*1024kB (U) [ 246.785586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.788226] 1*2048kB (M) [ 246.793773] ? check_preemption_disabled+0x48/0x200 [ 246.797197] 3*4096kB (M) [ 246.802737] ? check_preemption_disabled+0x48/0x200 [ 246.805473] = 15908kB [ 246.810492] ? __lock_is_held+0xb5/0x140 [ 246.813222] Node 0 [ 246.818251] __alloc_pages_nodemask+0xa80/0xde0 [ 246.820632] DMA32: [ 246.824685] ? graph_lock+0x170/0x170 [ 246.826905] 4*4kB [ 246.831583] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.833797] (UM) [ 246.837592] ? graph_lock+0x170/0x170 [ 246.839715] 3*8kB (UM) [ 246.844743] ? find_held_lock+0x36/0x1c0 [ 246.846780] 1*16kB [ 246.850589] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.853161] (M) [ 246.857216] ? lock_downgrade+0x900/0x900 [ 246.859424] 2*32kB (UM) [ 246.864101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.866050] 3*64kB [ 246.870194] cache_grow_begin+0x91/0x8c0 [ 246.872843] (UM) [ 246.878379] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.880591] 4*128kB [ 246.884648] fallback_alloc+0x203/0x2e0 [ 246.886678] (UM) 2*256kB [ 246.891091] ____cache_alloc_node+0x1c7/0x1e0 [ 246.893385] (M) [ 246.897357] kmem_cache_alloc_node+0xe3/0x730 [ 246.900090] 4*512kB [ 246.904583] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.906541] (UM) [ 246.911038] __alloc_skb+0x119/0x770 [ 246.913337] 3*1024kB (M) [ 246.917581] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.919621] 1*2048kB [ 246.923333] ? skb_scrub_packet+0x490/0x490 [ 246.926071] (M) [ 246.931346] ? lock_downgrade+0x900/0x900 [ 246.933731] 4*4096kB (M) [ 246.938073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.940008] = 24888kB [ 246.940022] Node 0 [ 246.944162] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.946893] Normal: 1035*4kB [ 246.952436] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.954826] (MEH) [ 246.957074] ? addrconf_rs_timer+0x6f0/0x6f0 [ 246.962497] 457*8kB (UMEH) [ 246.965624] ndisc_alloc_skb+0x144/0x340 [ 246.971036] 163*16kB (MEH) [ 246.973197] ndisc_send_rs+0x331/0x6e0 [ 246.977580] 58*32kB [ 246.980508] addrconf_rs_timer+0x3c0/0x6f0 [ 246.984546] (UMEH) [ 246.987478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.991338] 13*64kB (UMH) [ 246.993675] call_timer_fn+0x272/0x920 [ 246.997872] 2*128kB (H) [ 247.000120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.004325] 0*256kB 0*512kB [ 247.007177] ? process_timeout+0x40/0x40 [ 247.011056] 0*1024kB [ 247.013723] ? find_held_lock+0x36/0x1c0 [ 247.017933] 0*2048kB [ 247.020952] ? __run_timers+0x7da/0xc70 [ 247.024987] 0*4096kB [ 247.027396] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.031433] = 13348kB [ 247.033839] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.037797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.040199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.044674] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 247.047072] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.051545] 412 total pagecache pages [ 247.060376] ? trace_hardirqs_on+0xbd/0x310 [ 247.064595] 0 pages in swap cache [ 247.073156] ? kasan_check_read+0x11/0x20 [ 247.073175] ? __run_timers+0x7da/0xc70 [ 247.077763] Swap cache stats: add 0, delete 0, find 0/0 [ 247.077774] Free swap = 0kB [ 247.081578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.085869] Total swap = 0kB [ 247.085878] 1965979 pages RAM [ 247.089334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.093471] 0 pages HighMem/MovableOnly [ 247.093481] 343323 pages reserved [ 247.097454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.102788] 0 pages cma reserved [ 247.102879] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.105813] __run_timers+0x7e5/0xc70 [ 247.111362] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.114288] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.117374] syz-executor3 cpuset= [ 247.121604] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.125556] syz3 [ 247.129003] ? graph_lock+0x170/0x170 [ 247.133311] mems_allowed=0 [ 247.136675] ? enqueue_hrtimer+0x1a5/0x560 [ 247.184078] ? lock_release+0x970/0x970 [ 247.188060] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.193267] ? find_held_lock+0x36/0x1c0 [ 247.197338] ? graph_lock+0x170/0x170 [ 247.201141] ? pvclock_read_flags+0x160/0x160 [ 247.205638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.211173] ? check_preemption_disabled+0x48/0x200 [ 247.216204] ? __lock_is_held+0xb5/0x140 [ 247.220275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.225815] ? check_preemption_disabled+0x48/0x200 [ 247.230845] run_timer_softirq+0x52/0xb0 [ 247.234907] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.239929] __do_softirq+0x30b/0xad8 [ 247.243741] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.248853] ? pvclock_read_flags+0x160/0x160 [ 247.253353] ? lapic_next_event+0x5a/0x90 [ 247.257501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.263044] ? check_preemption_disabled+0x48/0x200 [ 247.268066] ? check_preemption_disabled+0x48/0x200 [ 247.273088] ? kvm_clock_read+0x18/0x30 [ 247.277062] ? kvm_sched_clock_read+0x9/0x20 [ 247.281480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.287018] ? check_preemption_disabled+0x48/0x200 [ 247.292052] irq_exit+0x17f/0x1c0 [ 247.295521] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.300364] ? smp_reschedule_interrupt+0x109/0x650 [ 247.305384] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.311276] ? interrupt_entry+0xb5/0xf0 [ 247.315344] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.320363] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.325384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.330225] ? trace_hardirqs_off+0x300/0x300 [ 247.334724] ? trace_hardirqs_off+0x300/0x300 [ 247.339227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.344772] ? check_preemption_disabled+0x48/0x200 [ 247.349786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.355332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.360183] apic_timer_interrupt+0xf/0x20 [ 247.364409] [ 247.366647] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.371581] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 247.390487] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.398205] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.405474] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 247.412741] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 247.420005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.427274] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.434597] skb_clone+0x1bb/0x500 [ 247.438142] ? finish_task_switch+0x1b5/0x900 [ 247.442643] ? skb_split+0x11e0/0x11e0 [ 247.446549] ? preempt_notifier_register+0x200/0x200 [ 247.451654] ? __switch_to_asm+0x34/0x70 [ 247.455731] ? __switch_to_asm+0x34/0x70 [ 247.459807] ? __switch_to_asm+0x40/0x70 [ 247.463873] ? __switch_to_asm+0x34/0x70 [ 247.467946] ? __switch_to_asm+0x40/0x70 [ 247.472017] ? __switch_to_asm+0x34/0x70 [ 247.476103] ? __switch_to_asm+0x40/0x70 [ 247.480163] ? __switch_to_asm+0x34/0x70 [ 247.484228] ? __switch_to_asm+0x34/0x70 [ 247.488297] ? __switch_to_asm+0x40/0x70 [ 247.492360] ? __switch_to_asm+0x34/0x70 [ 247.496430] bpf_clone_redirect+0xb9/0x490 [ 247.500668] ? __schedule+0x874/0x1ed0 [ 247.504561] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 247.509835] ? __sched_text_start+0x8/0x8 [ 247.513996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.518764] ? find_held_lock+0x36/0x1c0 [ 247.522834] ? lock_acquire+0x1ed/0x520 [ 247.526811] ? bpf_test_run+0x32e/0x5a0 [ 247.530785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.536322] ? check_preemption_disabled+0x48/0x200 [ 247.541345] ? kasan_check_read+0x11/0x20 [ 247.545500] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.550784] ? rcu_bh_qs+0xc0/0xc0 [ 247.554347] ? preempt_schedule+0x4d/0x60 [ 247.558500] ? ___preempt_schedule+0x16/0x18 [ 247.562922] ? bpf_test_run+0x1c0/0x5a0 [ 247.566930] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.571342] ? bpf_prog_test_run_skb+0x295/0xb40 [ 247.576101] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.580863] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.585706] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.591241] ? fput+0x130/0x1a0 [ 247.594532] ? __bpf_prog_get+0x9b/0x290 [ 247.598598] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.603441] ? bpf_prog_test_run+0x130/0x1a0 [ 247.607855] ? __x64_sys_bpf+0x3d8/0x510 [ 247.611917] ? bpf_prog_get+0x20/0x20 [ 247.615741] ? do_syscall_64+0x1b9/0x820 [ 247.619807] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.625173] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.630111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.634959] ? trace_hardirqs_off+0x300/0x300 [ 247.639460] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.644476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.650014] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.655046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.659900] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.665293] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 247.665393] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.672500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.672505] Call Trace: [ 247.672513] [ 247.672529] dump_stack+0x1c4/0x2b4 [ 247.672546] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.672574] warn_alloc.cold.118+0xb7/0x1bd [ 247.679130] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.688397] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.690980] syz-executor3 cpuset= [ 247.693124] ? lock_downgrade+0x900/0x900 [ 247.696725] syz3 [ 247.701914] ? trace_hardirqs_off+0xb8/0x300 [ 247.706210] mems_allowed=0 [ 247.716687] ? trace_hardirqs_off+0xb8/0x300 [ 247.742764] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.747638] ? warn_alloc+0x120/0x120 [ 247.751447] ? warn_alloc+0x120/0x120 [ 247.755270] ? print_usage_bug+0xc0/0xc0 [ 247.759333] ? warn_alloc+0x120/0x120 [ 247.763137] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.768157] ? print_usage_bug+0xc0/0xc0 [ 247.772231] ? __lock_acquire+0x7ec/0x4ec0 [ 247.776473] ? __lock_acquire+0x7ec/0x4ec0 [ 247.780711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.786256] ? should_fail+0x22d/0xd01 [ 247.790146] ? __lock_acquire+0x7ec/0x4ec0 [ 247.794388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.799497] ? __lock_acquire+0x7ec/0x4ec0 [ 247.803739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.808845] ? __lock_acquire+0x7ec/0x4ec0 [ 247.813077] ? should_fail+0x22d/0xd01 [ 247.816977] ? mark_held_locks+0x130/0x130 [ 247.821216] ? mark_held_locks+0x130/0x130 [ 247.825469] ? try_to_wake_up+0x10a/0x12f0 [ 247.829705] ? graph_lock+0x170/0x170 [ 247.833521] ? print_usage_bug+0xc0/0xc0 [ 247.837600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.843147] ? check_preemption_disabled+0x48/0x200 [ 247.848175] ? check_preemption_disabled+0x48/0x200 [ 247.853205] ? __lock_is_held+0xb5/0x140 [ 247.857281] __alloc_pages_nodemask+0xa80/0xde0 [ 247.861951] ? graph_lock+0x170/0x170 [ 247.865760] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.870789] ? graph_lock+0x170/0x170 [ 247.874619] ? find_held_lock+0x36/0x1c0 [ 247.878689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.883363] ? lock_downgrade+0x900/0x900 [ 247.887535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.893078] cache_grow_begin+0x91/0x8c0 [ 247.897155] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.901578] fallback_alloc+0x203/0x2e0 [ 247.905560] ____cache_alloc_node+0x1c7/0x1e0 [ 247.910066] kmem_cache_alloc_node+0xe3/0x730 [ 247.914563] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.918808] __alloc_skb+0x119/0x770 [ 247.922524] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.927812] ? skb_scrub_packet+0x490/0x490 [ 247.932136] ? lock_downgrade+0x900/0x900 [ 247.936294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.941843] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.947299] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.952756] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.957178] ndisc_alloc_skb+0x144/0x340 [ 247.961253] ndisc_send_rs+0x331/0x6e0 [ 247.965153] addrconf_rs_timer+0x3c0/0x6f0 [ 247.969397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.973648] call_timer_fn+0x272/0x920 [ 247.977534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.981772] ? process_timeout+0x40/0x40 [ 247.985832] ? find_held_lock+0x36/0x1c0 [ 247.989903] ? __run_timers+0x7da/0xc70 [ 247.993881] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.998379] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.002876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.007117] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.011702] ? trace_hardirqs_on+0xbd/0x310 [ 248.016030] ? kasan_check_read+0x11/0x20 [ 248.020183] ? __run_timers+0x7da/0xc70 [ 248.024161] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.029626] ? work_on_cpu_safe+0x90/0x90 [ 248.033780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.038022] __run_timers+0x7e5/0xc70 [ 248.041836] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.047204] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.052223] ? graph_lock+0x170/0x170 [ 248.056043] ? enqueue_hrtimer+0x1a5/0x560 [ 248.060278] ? lock_release+0x970/0x970 [ 248.064264] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.069472] ? find_held_lock+0x36/0x1c0 [ 248.073550] ? graph_lock+0x170/0x170 [ 248.077354] ? pvclock_read_flags+0x160/0x160 [ 248.081850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.087393] ? check_preemption_disabled+0x48/0x200 [ 248.092421] ? __lock_is_held+0xb5/0x140 [ 248.096488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.102032] ? check_preemption_disabled+0x48/0x200 [ 248.107075] run_timer_softirq+0x52/0xb0 [ 248.111140] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.116161] __do_softirq+0x30b/0xad8 [ 248.119974] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.125086] ? pvclock_read_flags+0x160/0x160 [ 248.129586] ? lapic_next_event+0x5a/0x90 [ 248.133737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.139277] ? check_preemption_disabled+0x48/0x200 [ 248.144293] ? check_preemption_disabled+0x48/0x200 [ 248.149315] ? kvm_clock_read+0x18/0x30 [ 248.153290] ? kvm_sched_clock_read+0x9/0x20 [ 248.157701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.163250] ? check_preemption_disabled+0x48/0x200 [ 248.168288] irq_exit+0x17f/0x1c0 [ 248.171749] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.176595] ? smp_reschedule_interrupt+0x109/0x650 [ 248.181613] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.187499] ? interrupt_entry+0xb5/0xf0 [ 248.191567] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.196588] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.201610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.206452] ? trace_hardirqs_off+0x300/0x300 [ 248.210946] ? trace_hardirqs_off+0x300/0x300 [ 248.215459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.221053] ? check_preemption_disabled+0x48/0x200 [ 248.226066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.231612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.236488] apic_timer_interrupt+0xf/0x20 [ 248.240715] [ 248.242954] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 248.247915] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 248.266821] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 248.274528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 248.281793] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 248.289057] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 248.296324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 248.303590] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 248.310903] skb_clone+0x1bb/0x500 [ 248.314445] ? finish_task_switch+0x664/0x900 [ 248.318952] ? skb_split+0x11e0/0x11e0 [ 248.322842] ? preempt_notifier_register+0x200/0x200 [ 248.327949] ? __switch_to_asm+0x34/0x70 [ 248.332010] ? __switch_to_asm+0x34/0x70 [ 248.336076] ? __switch_to_asm+0x40/0x70 [ 248.340137] ? __switch_to_asm+0x34/0x70 [ 248.344195] ? __switch_to_asm+0x40/0x70 [ 248.348259] ? __switch_to_asm+0x34/0x70 [ 248.352317] ? __switch_to_asm+0x40/0x70 [ 248.356411] ? __switch_to_asm+0x34/0x70 [ 248.360473] ? __switch_to_asm+0x34/0x70 [ 248.364531] ? __switch_to_asm+0x40/0x70 [ 248.368591] ? __switch_to_asm+0x34/0x70 [ 248.372663] bpf_clone_redirect+0xb9/0x490 [ 248.376903] ? __schedule+0x874/0x1ed0 [ 248.380800] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 248.385818] ? __sched_text_start+0x8/0x8 [ 248.389968] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.394739] ? find_held_lock+0x36/0x1c0 [ 248.398811] ? lock_acquire+0x1ed/0x520 [ 248.403089] ? bpf_test_run+0x32e/0x5a0 [ 248.407072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.412607] ? check_preemption_disabled+0x48/0x200 [ 248.417641] ? kasan_check_read+0x11/0x20 [ 248.421795] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.427075] ? rcu_bh_qs+0xc0/0xc0 [ 248.430618] ? preempt_schedule+0x4d/0x60 [ 248.434771] ? ___preempt_schedule+0x16/0x18 [ 248.439188] ? bpf_test_run+0x1c0/0x5a0 [ 248.443176] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.447588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.453122] ? bpf_test_init.isra.9+0x70/0x100 [ 248.457714] ? bpf_prog_test_run_skb+0x634/0xb40 [ 248.462491] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.467334] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.472872] ? fput+0x130/0x1a0 [ 248.476152] ? __bpf_prog_get+0x9b/0x290 [ 248.480218] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.485061] ? bpf_prog_test_run+0x130/0x1a0 [ 248.489479] ? __x64_sys_bpf+0x3d8/0x510 [ 248.493544] ? bpf_prog_get+0x20/0x20 [ 248.497359] ? ksys_ioctl+0x81/0xd0 [ 248.500997] ? do_syscall_64+0x1b9/0x820 [ 248.505064] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.510439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.515373] ? trace_hardirqs_off+0x300/0x300 [ 248.519869] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.524884] ? recalc_sigpending_tsk+0x180/0x180 [ 248.529642] ? kasan_check_write+0x14/0x20 [ 248.533883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.538739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.544140] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 248.544146] warn_alloc_show_mem: 1 callbacks suppressed [ 248.544153] Mem-Info: [ 248.551349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.556721] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 248.556721] active_file:17 inactive_file:11 isolated_file:5 [ 248.556721] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.556721] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 248.556721] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 248.556721] free:13528 free_pcp:440 free_cma:0 [ 248.559100] Call Trace: [ 248.568490] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.601347] [ 248.603936] Node 0 [ 248.631700] dump_stack+0x1c4/0x2b4 [ 248.633855] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.636066] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.639672] lowmem_reserve[]: [ 248.665208] warn_alloc.cold.118+0xb7/0x1bd [ 248.670371] 0 [ 248.673473] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.677770] 2815 [ 248.679571] ? lock_downgrade+0x900/0x900 [ 248.684388] 6318 [ 248.686464] ? trace_hardirqs_off+0xb8/0x300 [ 248.690582] 6318 [ 248.692652] ? trace_hardirqs_off+0xb8/0x300 [ 248.697038] Node 0 [ 248.699116] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.703521] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 248.705766] ? warn_alloc+0x120/0x120 [ 248.710551] lowmem_reserve[]: 0 [ 248.737718] ? trace_hardirqs_on+0x310/0x310 [ 248.741502] 0 [ 248.744782] ? warn_alloc+0x120/0x120 [ 248.749163] 3503 3503 [ 248.750997] ? print_usage_bug+0xc0/0xc0 [ 248.757281] ? warn_alloc+0x120/0x120 [ 248.761319] Node 0 [ 248.765110] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.765147] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 248.767353] ? print_usage_bug+0xc0/0xc0 [ 248.772339] lowmem_reserve[]: 0 [ 248.800827] ? __lock_acquire+0x7ec/0x4ec0 [ 248.804873] 0 [ 248.808150] ? __lock_acquire+0x7ec/0x4ec0 [ 248.812359] 0 [ 248.814159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.818363] 0 [ 248.820173] ? should_fail+0x22d/0xd01 [ 248.825689] Node 0 [ 248.827496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.831352] DMA: 1*4kB [ 248.833593] ? __lock_acquire+0x7ec/0x4ec0 [ 248.838681] (U) [ 248.841272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.845485] 0*8kB [ 248.847461] ? __lock_acquire+0x7ec/0x4ec0 [ 248.852537] 0*16kB 1*32kB [ 248.854698] ? should_fail+0x22d/0xd01 [ 248.858913] (U) [ 248.861751] ? print_usage_bug+0xc0/0xc0 [ 248.865620] 2*64kB [ 248.867598] ? mark_held_locks+0x130/0x130 [ 248.871631] (U) [ 248.873862] ? mark_held_locks+0x130/0x130 [ 248.878078] 1*128kB [ 248.880052] ? graph_lock+0x170/0x170 [ 248.884262] (U) [ 248.886581] ? print_usage_bug+0xc0/0xc0 [ 248.890362] 1*256kB [ 248.892331] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.896364] (U) [ 248.898686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.903419] 0*512kB [ 248.905388] ? check_preemption_disabled+0x48/0x200 [ 248.910902] 1*1024kB [ 248.913220] ? check_preemption_disabled+0x48/0x200 [ 248.918206] (U) 1*2048kB [ 248.920633] ? __lock_is_held+0xb5/0x140 [ 248.925618] (M) [ 248.928375] __alloc_pages_nodemask+0xa80/0xde0 [ 248.932412] 3*4096kB [ 248.934388] ? graph_lock+0x170/0x170 [ 248.939064] (M) [ 248.941476] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.945244] = 15908kB [ 248.945256] Node 0 [ 248.947227] ? graph_lock+0x170/0x170 [ 248.952213] DMA32: 4*4kB [ 248.954646] ? find_held_lock+0x36/0x1c0 [ 248.956845] (UM) 3*8kB [ 248.960679] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.963404] (UM) 1*16kB [ 248.967469] ? lock_downgrade+0x900/0x900 [ 248.970034] (M) [ 248.974712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.977364] 2*32kB [ 248.981510] cache_grow_begin+0x91/0x8c0 [ 248.983466] (UM) [ 248.989004] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.991224] 3*64kB [ 248.995298] fallback_alloc+0x203/0x2e0 [ 248.997328] (UM) 4*128kB [ 249.001748] ____cache_alloc_node+0x1c7/0x1e0 [ 249.003959] (UM) [ 249.007931] kmem_cache_alloc_node+0xe3/0x730 [ 249.010667] 2*256kB [ 249.015163] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.017200] (M) [ 249.021698] __alloc_skb+0x119/0x770 [ 249.023998] 4*512kB [ 249.028232] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.030185] (UM) [ 249.033896] ? skb_scrub_packet+0x490/0x490 [ 249.036196] 3*1024kB [ 249.041470] ? lock_downgrade+0x900/0x900 [ 249.043517] (M) [ 249.047842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.050226] 1*2048kB [ 249.054375] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.056358] (M) [ 249.061892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.064277] 4*4096kB (M) [ 249.069737] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.071685] = 24888kB [ 249.071695] Node 0 [ 249.077150] ndisc_alloc_skb+0x144/0x340 [ 249.079878] Normal: [ 249.084284] ndisc_send_rs+0x331/0x6e0 [ 249.086674] 1035*4kB [ 249.088909] addrconf_rs_timer+0x3c0/0x6f0 [ 249.092944] (MEH) [ 249.095271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.099130] 457*8kB (UMEH) [ 249.101586] call_timer_fn+0x272/0x920 [ 249.105792] 163*16kB [ 249.107939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.112149] (MEH) [ 249.115076] ? process_timeout+0x40/0x40 [ 249.118938] 58*32kB [ 249.121346] ? find_held_lock+0x36/0x1c0 [ 249.125557] (UMEH) [ 249.127717] ? __run_timers+0x7da/0xc70 [ 249.131755] 13*64kB [ 249.134090] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.138123] (UMH) [ 249.140357] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.144332] 2*128kB [ 249.146654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.151122] (H) [ 249.153280] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.157744] 0*256kB 0*512kB [ 249.160072] ? trace_hardirqs_on+0xbd/0x310 [ 249.164294] 0*1024kB [ 249.166267] ? kasan_check_read+0x11/0x20 [ 249.170826] 0*2048kB [ 249.173844] ? __run_timers+0x7da/0xc70 [ 249.178137] 0*4096kB = 13348kB [ 249.180560] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.184694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.187102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.191055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.194250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.199774] 412 total pagecache pages [ 249.208605] __run_timers+0x7e5/0xc70 [ 249.212820] 0 pages in swap cache [ 249.221399] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.225602] Swap cache stats: add 0, delete 0, find 0/0 [ 249.225612] Free swap = 0kB [ 249.229413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.233193] Total swap = 0kB [ 249.236639] ? graph_lock+0x170/0x170 [ 249.241983] 1965979 pages RAM [ 249.247343] ? enqueue_hrtimer+0x1a5/0x560 [ 249.250334] 0 pages HighMem/MovableOnly [ 249.250343] 343323 pages reserved [ 249.255353] ? lock_release+0x970/0x970 [ 249.258348] 0 pages cma reserved [ 249.262146] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.265296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.269465] ? find_held_lock+0x36/0x1c0 [ 249.269484] ? graph_lock+0x170/0x170 [ 249.269501] ? pvclock_read_flags+0x160/0x160 [ 249.273513] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.276908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.280861] syz-executor3 cpuset= [ 249.284225] ? check_preemption_disabled+0x48/0x200 [ 249.289392] syz3 [ 249.295885] ? __lock_is_held+0xb5/0x140 [ 249.299918] mems_allowed=0 [ 249.303709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.347065] ? check_preemption_disabled+0x48/0x200 [ 249.352092] run_timer_softirq+0x52/0xb0 [ 249.356155] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.361174] __do_softirq+0x30b/0xad8 [ 249.365016] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.370131] ? pvclock_read_flags+0x160/0x160 [ 249.374625] ? lapic_next_event+0x5a/0x90 [ 249.378778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.384315] ? check_preemption_disabled+0x48/0x200 [ 249.389331] ? check_preemption_disabled+0x48/0x200 [ 249.394352] ? kvm_clock_read+0x18/0x30 [ 249.398326] ? kvm_sched_clock_read+0x9/0x20 [ 249.402952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.408490] ? check_preemption_disabled+0x48/0x200 [ 249.413530] irq_exit+0x17f/0x1c0 [ 249.416991] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.421836] ? smp_reschedule_interrupt+0x109/0x650 [ 249.426858] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.432748] ? interrupt_entry+0xb5/0xf0 [ 249.436812] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.441824] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.446852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.451697] ? trace_hardirqs_off+0x300/0x300 [ 249.456189] ? trace_hardirqs_off+0x300/0x300 [ 249.460687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.466222] ? check_preemption_disabled+0x48/0x200 [ 249.471267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.476826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.481676] apic_timer_interrupt+0xf/0x20 [ 249.485925] [ 249.488167] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.493096] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 249.512188] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 249.519905] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.527177] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 249.534456] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 249.541720] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.548987] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.556310] skb_clone+0x1bb/0x500 [ 249.559855] ? finish_task_switch+0x1b5/0x900 [ 249.564356] ? skb_split+0x11e0/0x11e0 [ 249.568248] ? preempt_notifier_register+0x200/0x200 [ 249.573355] ? __switch_to_asm+0x34/0x70 [ 249.577425] ? __switch_to_asm+0x34/0x70 [ 249.581487] ? __switch_to_asm+0x40/0x70 [ 249.585567] ? __switch_to_asm+0x34/0x70 [ 249.589624] ? __switch_to_asm+0x40/0x70 [ 249.593693] ? __switch_to_asm+0x34/0x70 [ 249.597777] ? __switch_to_asm+0x40/0x70 [ 249.601837] ? __switch_to_asm+0x34/0x70 [ 249.605902] ? __switch_to_asm+0x34/0x70 [ 249.609961] ? __switch_to_asm+0x40/0x70 [ 249.614017] ? __switch_to_asm+0x34/0x70 [ 249.618090] bpf_clone_redirect+0xb9/0x490 [ 249.622329] ? __schedule+0x874/0x1ed0 [ 249.626223] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 249.631242] ? __sched_text_start+0x8/0x8 [ 249.635413] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.640173] ? find_held_lock+0x36/0x1c0 [ 249.644241] ? lock_acquire+0x1ed/0x520 [ 249.648218] ? bpf_test_run+0x32e/0x5a0 [ 249.652196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.657733] ? check_preemption_disabled+0x48/0x200 [ 249.662752] ? kasan_check_read+0x11/0x20 [ 249.666900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.672182] ? rcu_bh_qs+0xc0/0xc0 [ 249.675728] ? preempt_schedule+0x4d/0x60 [ 249.679880] ? ___preempt_schedule+0x16/0x18 [ 249.684301] ? bpf_test_run+0x1c0/0x5a0 [ 249.688290] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.692707] ? bpf_prog_test_run_skb+0x295/0xb40 [ 249.697468] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.702233] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.707080] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.712615] ? fput+0x130/0x1a0 [ 249.715898] ? __bpf_prog_get+0x9b/0x290 [ 249.719965] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.724805] ? bpf_prog_test_run+0x130/0x1a0 [ 249.729217] ? __x64_sys_bpf+0x3d8/0x510 [ 249.733289] ? bpf_prog_get+0x20/0x20 [ 249.737111] ? do_syscall_64+0x1b9/0x820 [ 249.741172] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.746544] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.751473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.756316] ? trace_hardirqs_off+0x300/0x300 [ 249.760817] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.765835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.771375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 249.776403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.781267] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.786653] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 249.786684] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 249.793855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.793865] Call Trace: [ 249.800086] rcu: [ 249.809430] [ 249.812007] (detected by 0, t=10618 jiffies, g=9973, q=9) [ 249.814151] dump_stack+0x1c4/0x2b4 [ 249.816282] rcu: All QSes seen, last rcu_preempt kthread activity 10571 (4294962129-4294951558), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 249.816292] syz-executor3 R [ 249.821826] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.825422] running task 20312 7457 5364 0x8000000c [ 249.838096] warn_alloc.cold.118+0xb7/0x1bd [ 249.841173] Call Trace: [ 249.846362] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.852050] [ 249.856378] ? lock_downgrade+0x900/0x900 [ 249.858949] sched_show_task.cold.83+0x2b6/0x30a [ 249.863780] ? trace_hardirqs_off+0xb8/0x300 [ 249.865916] ? can_nice.part.74+0x20/0x20 [ 249.870071] ? trace_hardirqs_off+0xb8/0x300 [ 249.874829] ? vprintk_default+0x28/0x30 [ 249.879221] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.883348] ? vprintk_func+0x85/0x181 [ 249.887772] ? warn_alloc+0x120/0x120 [ 249.891792] ? vprintk_func+0x85/0x181 [ 249.896640] ? warn_alloc+0x120/0x120 [ 249.900516] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 249.904307] ? print_usage_bug+0xc0/0xc0 [ 249.908182] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 249.911970] ? warn_alloc+0x120/0x120 [ 249.916715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.920762] ? print_usage_bug+0xc0/0xc0 [ 249.925525] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 249.929307] ? __lock_acquire+0x7ec/0x4ec0 [ 249.934832] ? wake_up_klogd+0x180/0x180 [ 249.938877] ? __lock_acquire+0x7ec/0x4ec0 [ 249.944145] ? print_cpu_stall+0x1c0/0x1c0 [ 249.948363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.952412] ? graph_lock+0x170/0x170 [ 249.956632] ? should_fail+0x22d/0xd01 [ 249.960850] ? print_usage_bug+0xc0/0xc0 [ 249.966378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.970166] ? lock_downgrade+0x900/0x900 [ 249.974045] ? __lock_acquire+0x7ec/0x4ec0 [ 249.978097] ? check_preemption_disabled+0x48/0x200 [ 249.983191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.987326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.991548] ? __lock_acquire+0x7ec/0x4ec0 [ 249.996559] ? check_preemption_disabled+0x48/0x200 [ 250.001644] ? should_fail+0x22d/0xd01 [ 250.001670] ? mark_held_locks+0x130/0x130 [ 250.007189] ? check_preemption_disabled+0x48/0x200 [ 250.011412] ? mark_held_locks+0x130/0x130 [ 250.016420] ? rcu_test_sync_prims+0x30/0x30 [ 250.020294] ? graph_lock+0x170/0x170 [ 250.024528] ? __lock_is_held+0xb5/0x140 [ 250.029537] ? graph_lock+0x170/0x170 [ 250.033761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.038414] ? graph_lock+0x170/0x170 [ 250.042202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.046264] ? print_usage_bug+0xc0/0xc0 [ 250.050042] ? check_preemption_disabled+0x48/0x200 [ 250.055574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.059359] rcu_check_callbacks+0xafc/0x1990 [ 250.064882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.068941] ? rcu_cpu_stall_reset+0x220/0x220 [ 250.073937] ? check_preemption_disabled+0x48/0x200 [ 250.079470] ? lock_release+0x970/0x970 [ 250.083952] ? check_preemption_disabled+0x48/0x200 [ 250.083978] ? __lock_is_held+0xb5/0x140 [ 250.089505] ? graph_lock+0x170/0x170 [ 250.094089] __alloc_pages_nodemask+0xa80/0xde0 [ 250.099091] ? graph_lock+0x170/0x170 [ 250.103055] ? graph_lock+0x170/0x170 [ 250.108061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.112108] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.115920] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 250.120574] ? graph_lock+0x170/0x170 [ 250.124362] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 250.128154] ? find_held_lock+0x36/0x1c0 [ 250.133687] ? graph_lock+0x170/0x170 [ 250.138689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.143263] ? timekeeping_advance+0x3cc/0xc00 [ 250.147053] ? lock_downgrade+0x900/0x900 [ 250.153275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.157329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.161117] ? check_preemption_disabled+0x48/0x200 [ 250.165776] cache_grow_begin+0x91/0x8c0 [ 250.170343] ? check_preemption_disabled+0x48/0x200 [ 250.174486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.180013] ? trace_hardirqs_off+0xb8/0x300 [ 250.185550] fallback_alloc+0x203/0x2e0 [ 250.190556] ? __lock_is_held+0xb5/0x140 [ 250.194608] ____cache_alloc_node+0x1c7/0x1e0 [ 250.199611] ? trace_hardirqs_on+0x310/0x310 [ 250.204010] kmem_cache_alloc_node+0xe3/0x730 [ 250.208410] ? check_preemption_disabled+0x48/0x200 [ 250.212380] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.216434] ? raise_softirq+0x199/0x420 [ 250.220918] __alloc_skb+0x119/0x770 [ 250.225310] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 250.229793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.234799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.239029] ? skb_scrub_packet+0x490/0x490 [ 250.243072] ? check_preemption_disabled+0x48/0x200 [ 250.246775] ? lock_downgrade+0x900/0x900 [ 250.251435] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.256701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.262221] ? hrtimer_run_queues+0x9a/0x400 [ 250.266538] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.266558] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.271561] ? run_local_timers+0x19b/0x230 [ 250.275704] ? addrconf_rs_timer+0x6f0/0x6f0 [ 250.281228] ? timer_clear_idle+0x90/0x90 [ 250.286775] ndisc_alloc_skb+0x144/0x340 [ 250.291166] ? debug_smp_processor_id+0x1c/0x20 [ 250.291186] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 250.296632] ndisc_send_rs+0x331/0x6e0 [ 250.302075] ? account_process_tick+0x282/0x350 [ 250.306398] addrconf_rs_timer+0x3c0/0x6f0 [ 250.310797] update_process_times+0x2d/0x70 [ 250.314935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.318985] tick_sched_handle+0x9f/0x180 [ 250.323650] call_timer_fn+0x272/0x920 [ 250.329602] tick_sched_timer+0x45/0x130 [ 250.333479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.338134] __hrtimer_run_queues+0x41c/0x10d0 [ 250.342359] ? process_timeout+0x40/0x40 [ 250.346677] ? tick_sched_do_timer+0x1a0/0x1a0 [ 250.350898] ? find_held_lock+0x36/0x1c0 [ 250.355042] ? hrtimer_start_range_ns+0xe00/0xe00 [ 250.358927] ? __run_timers+0x7da/0xc70 [ 250.362975] ? pvclock_read_flags+0x160/0x160 [ 250.367200] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.371769] ? trace_hardirqs_on+0x310/0x310 [ 250.375815] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.380393] ? kvm_clock_read+0x18/0x30 [ 250.384439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.389272] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.393233] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.397717] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 250.402536] ? trace_hardirqs_on+0xbd/0x310 [ 250.402552] ? kasan_check_read+0x11/0x20 [ 250.406960] ? do_timer+0x50/0x50 [ 250.411444] ? __run_timers+0x7da/0xc70 [ 250.415403] ? trace_hardirqs_on+0x310/0x310 [ 250.419625] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.424632] ? do_raw_spin_lock+0xc1/0x200 [ 250.429200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.434557] hrtimer_interrupt+0x313/0x780 [ 250.438865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.443011] smp_apic_timer_interrupt+0x1a1/0x760 [ 250.446438] __run_timers+0x7e5/0xc70 [ 250.450404] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.454805] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.460234] ? interrupt_entry+0xb5/0xf0 [ 250.464463] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.468687] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.472908] ? graph_lock+0x170/0x170 [ 250.477131] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.481958] ? enqueue_hrtimer+0x1a5/0x560 [ 250.485747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.491614] ? lock_release+0x970/0x970 [ 250.491631] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.496991] ? trace_hardirqs_off+0x300/0x300 [ 250.501053] ? find_held_lock+0x36/0x1c0 [ 250.506069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.511071] ? graph_lock+0x170/0x170 [ 250.514880] apic_timer_interrupt+0xf/0x20 [ 250.519879] ? pvclock_read_flags+0x160/0x160 [ 250.524109] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 250.528940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.532899] Code: 40 7e 0f 85 32 ff ff ff e8 15 d6 3e ff e9 28 ff ff ff e8 2c 33 c3 ff 48 83 3d cc 81 b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 250.538077] ? check_preemption_disabled+0x48/0x200 [ 250.542552] RSP: 0000:ffff8801dac07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 250.546630] ? __lock_is_held+0xb5/0x140 [ 250.551440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10034404541 [ 250.555230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.559448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 250.563939] ? check_preemption_disabled+0x48/0x200 [ 250.569281] RBP: ffff8801dac074c0 R08: ffff8801a2022a08 R09: 0000000000000002 [ 250.569294] R10: 0000000000000000 R11: ffff8801a2022140 R12: ffff8801d9be7680 [ 250.574837] run_timer_softirq+0x52/0xb0 [ 250.593724] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 250.593750] ? apic_timer_interrupt+0xa/0x20 [ 250.598759] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.606480] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.610518] __do_softirq+0x30b/0xad8 [ 250.617792] __alloc_skb+0x119/0x770 [ 250.623325] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.630587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.635598] ? pvclock_read_flags+0x160/0x160 [ 250.642862] ? skb_scrub_packet+0x490/0x490 [ 250.650124] ? lapic_next_event+0x5a/0x90 [ 250.654174] ? lock_downgrade+0x900/0x900 [ 250.661438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.665833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.670833] ? check_preemption_disabled+0x48/0x200 [ 250.675056] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.678841] ? check_preemption_disabled+0x48/0x200 [ 250.682551] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.687644] ? kvm_clock_read+0x18/0x30 [ 250.692906] ? addrconf_rs_timer+0x6f0/0x6f0 [ 250.697393] ? kvm_sched_clock_read+0x9/0x20 [ 250.701714] ndisc_alloc_skb+0x144/0x340 [ 250.705841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.709981] ndisc_send_rs+0x331/0x6e0 [ 250.715499] ? check_preemption_disabled+0x48/0x200 [ 250.721029] addrconf_rs_timer+0x3c0/0x6f0 [ 250.726046] irq_exit+0x17f/0x1c0 [ 250.731476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.736482] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.741927] call_timer_fn+0x272/0x920 [ 250.745885] ? smp_reschedule_interrupt+0x109/0x650 [ 250.750301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.754701] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.758755] ? process_timeout+0x40/0x40 [ 250.764293] ? interrupt_entry+0xb5/0xf0 [ 250.768180] ? find_held_lock+0x36/0x1c0 [ 250.773183] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.777419] ? __run_timers+0x7da/0xc70 [ 250.780857] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.785077] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.789909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.793783] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.798792] ? trace_hardirqs_off+0x300/0x300 [ 250.803043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.808912] ? trace_hardirqs_off+0x300/0x300 [ 250.808930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.812986] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.817045] ? check_preemption_disabled+0x48/0x200 [ 250.821096] ? trace_hardirqs_on+0xbd/0x310 [ 250.826098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.830096] ? kasan_check_read+0x11/0x20 [ 250.835110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.839588] ? __run_timers+0x7da/0xc70 [ 250.844421] apic_timer_interrupt+0xf/0x20 [ 250.848908] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.853380] [ 250.857617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.862102] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 250.867637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.872218] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 250.877235] __run_timers+0x7e5/0xc70 [ 250.881545] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 [ 250.887096] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.891210] ORIG_RAX: ffffffffffffff13 [ 250.896062] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.900038] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 250.904272] ? graph_lock+0x170/0x170 [ 250.909710] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 250.911944] ? enqueue_hrtimer+0x1a5/0x560 [ 250.916161] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 250.921102] ? lock_release+0x970/0x970 [ 250.925321] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 250.944238] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.948032] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 250.953399] ? find_held_lock+0x36/0x1c0 [ 250.958781] skb_clone+0x1bb/0x500 [ 250.962724] ? graph_lock+0x170/0x170 [ 250.967940] ? finish_task_switch+0x664/0x900 [ 250.975228] ? pvclock_read_flags+0x160/0x160 [ 250.979035] ? skb_split+0x11e0/0x11e0 [ 250.986306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.990547] ? preempt_notifier_register+0x200/0x200 [ 250.997816] ? check_preemption_disabled+0x48/0x200 [ 251.001781] ? __switch_to_asm+0x34/0x70 [ 251.009057] ? __lock_is_held+0xb5/0x140 [ 251.014270] ? __switch_to_asm+0x34/0x70 [ 251.021534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.025568] ? __switch_to_asm+0x40/0x70 [ 251.025585] ? __switch_to_asm+0x34/0x70 [ 251.029116] ? check_preemption_disabled+0x48/0x200 [ 251.032895] ? __switch_to_asm+0x40/0x70 [ 251.032912] ? __switch_to_asm+0x34/0x70 [ 251.037422] run_timer_softirq+0x52/0xb0 [ 251.041896] ? __switch_to_asm+0x40/0x70 [ 251.045769] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.051288] ? __switch_to_asm+0x34/0x70 [ 251.051304] ? __switch_to_asm+0x34/0x70 [ 251.056414] __do_softirq+0x30b/0xad8 [ 251.061411] ? __switch_to_asm+0x40/0x70 [ 251.061427] ? __switch_to_asm+0x34/0x70 [ 251.065486] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.069532] bpf_clone_redirect+0xb9/0x490 [ 251.073581] ? pvclock_read_flags+0x160/0x160 [ 251.079105] ? __schedule+0x874/0x1ed0 [ 251.083155] ? lapic_next_event+0x5a/0x90 [ 251.087204] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 251.092209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.096265] ? __sched_text_start+0x8/0x8 [ 251.100333] ? check_preemption_disabled+0x48/0x200 [ 251.104377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.104407] ? find_held_lock+0x36/0x1c0 [ 251.108448] ? check_preemption_disabled+0x48/0x200 [ 251.113464] ? lock_acquire+0x1ed/0x520 [ 251.117512] ? kvm_clock_read+0x18/0x30 [ 251.121558] ? bpf_test_run+0x32e/0x5a0 [ 251.125347] ? kvm_sched_clock_read+0x9/0x20 [ 251.129400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.133448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.138545] ? check_preemption_disabled+0x48/0x200 [ 251.142769] ? check_preemption_disabled+0x48/0x200 [ 251.147265] ? kasan_check_read+0x11/0x20 [ 251.151150] irq_exit+0x17f/0x1c0 [ 251.155286] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.160295] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.165835] ? rcu_bh_qs+0xc0/0xc0 [ 251.169977] ? smp_reschedule_interrupt+0x109/0x650 [ 251.174984] ? preempt_schedule+0x4d/0x60 [ 251.179732] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.183786] ? ___preempt_schedule+0x16/0x18 [ 251.188796] ? interrupt_entry+0xb5/0xf0 [ 251.192766] ? bpf_test_run+0x1c0/0x5a0 [ 251.196733] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.200707] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.205102] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.210637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.216169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.221169] ? bpf_test_init.isra.9+0x70/0x100 [ 251.226180] ? trace_hardirqs_off+0x300/0x300 [ 251.230324] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.233763] ? trace_hardirqs_off+0x300/0x300 [ 251.233782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.239059] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.243891] ? check_preemption_disabled+0x48/0x200 [ 251.247423] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.252444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.256582] ? fput+0x130/0x1a0 [ 251.262464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.266859] ? __bpf_prog_get+0x9b/0x290 [ 251.270916] apic_timer_interrupt+0xf/0x20 [ 251.274872] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.279872] [ 251.284287] ? bpf_prog_test_run+0x130/0x1a0 [ 251.289295] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.294823] ? __x64_sys_bpf+0x3d8/0x510 [ 251.299650] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 251.304216] ? bpf_prog_get+0x20/0x20 [ 251.308691] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 251.313461] ? ksys_ioctl+0x81/0xd0 [ 251.317937] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.323484] ? do_syscall_64+0x1b9/0x820 [ 251.328308] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 251.333331] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.338857] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 251.344405] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.347666] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.352503] ? trace_hardirqs_off+0x300/0x300 [ 251.356552] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.360782] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.365640] skb_clone+0x1bb/0x500 [ 251.367838] ? recalc_sigpending_tsk+0x180/0x180 [ 251.372263] ? finish_task_switch+0x1b5/0x900 [ 251.372283] ? skb_split+0x11e0/0x11e0 [ 251.377209] ? kasan_check_write+0x14/0x20 [ 251.381264] ? preempt_notifier_register+0x200/0x200 [ 251.381283] ? __switch_to_asm+0x34/0x70 [ 251.400199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.403993] ? __switch_to_asm+0x34/0x70 [ 251.411697] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.415309] ? __switch_to_asm+0x40/0x70 [ 251.422615] warn_alloc_show_mem: 1 callbacks suppressed [ 251.422621] Mem-Info: [ 251.426659] ? __switch_to_asm+0x34/0x70 [ 251.433933] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 251.433933] active_file:17 inactive_file:11 isolated_file:5 [ 251.433933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.433933] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 251.433933] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 251.433933] free:13528 free_pcp:440 free_cma:0 [ 251.439274] ? __switch_to_asm+0x40/0x70 [ 251.446547] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.446557] Node 0 [ 251.451490] ? __switch_to_asm+0x34/0x70 [ 251.458766] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.463237] ? __switch_to_asm+0x40/0x70 [ 251.470486] lowmem_reserve[]: 0 [ 251.475533] ? __switch_to_asm+0x34/0x70 [ 251.479038] 2815 6318 [ 251.483803] ? __switch_to_asm+0x34/0x70 [ 251.488285] 6318 [ 251.492174] ? __switch_to_asm+0x40/0x70 [ 251.496407] Node 0 [ 251.501524] ? __switch_to_asm+0x34/0x70 [ 251.501552] bpf_clone_redirect+0xb9/0x490 [ 251.505626] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 251.510950] ? __schedule+0x874/0x1ed0 [ 251.514997] lowmem_reserve[]: 0 [ 251.520396] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 251.524439] 0 [ 251.529804] ? __sched_text_start+0x8/0x8 [ 251.532185] 3503 [ 251.536279] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.569791] 3503 [ 251.573880] ? find_held_lock+0x36/0x1c0 [ 251.601621] Node 0 [ 251.603871] ? lock_acquire+0x1ed/0x520 [ 251.607939] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 251.633418] ? bpf_test_run+0x32e/0x5a0 [ 251.637457] lowmem_reserve[]: [ 251.640734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.644768] 0 [ 251.647257] ? check_preemption_disabled+0x48/0x200 [ 251.647276] ? kasan_check_read+0x11/0x20 [ 251.651328] 0 [ 251.653389] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.657421] 0 0 [ 251.659664] ? rcu_bh_qs+0xc0/0xc0 [ 251.667956] ? preempt_schedule+0x4d/0x60 [ 251.695300] Node 0 [ 251.699194] ? ___preempt_schedule+0x16/0x18 [ 251.702437] DMA: 1*4kB [ 251.707467] ? bpf_test_run+0x1c0/0x5a0 [ 251.709249] (U) [ 251.713395] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.715432] 0*8kB [ 251.720181] ? bpf_prog_test_run_skb+0x295/0xb40 [ 251.722234] 0*16kB [ 251.726308] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.728553] 1*32kB [ 251.732535] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.760963] (U) 2*64kB [ 251.764960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.768036] (U) 1*128kB [ 251.773580] ? fput+0x130/0x1a0 [ 251.775357] (U) 1*256kB [ 251.780383] ? __bpf_prog_get+0x9b/0x290 [ 251.784510] (U) [ 251.786312] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.791559] 0*512kB 1*1024kB [ 251.793544] ? bpf_prog_test_run+0x130/0x1a0 [ 251.797063] (U) [ 251.801211] ? __x64_sys_bpf+0x3d8/0x510 [ 251.803417] 1*2048kB (M) [ 251.807828] ? bpf_prog_get+0x20/0x20 [ 251.810387] 3*4096kB (M) [ 251.814384] ? do_syscall_64+0x1b9/0x820 [ 251.816321] = 15908kB [ 251.816330] Node 0 [ 251.820740] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.822864] DMA32: [ 251.827617] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.829830] 4*4kB [ 251.834574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.834592] ? trace_hardirqs_off+0x300/0x300 [ 251.836808] (UM) [ 251.841651] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.844213] 3*8kB [ 251.849748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.852394] (UM) [ 251.855670] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.858314] 1*16kB (M) [ 251.862382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.864336] 2*32kB [ 251.869178] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.872257] (UM) [ 251.876679] rcu: rcu_preempt kthread starved for 10571 jiffies! g9973 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 251.878614] 3*64kB [ 251.882660] rcu: RCU grace-period kthread stack dump: [ 251.885401] (UM) [ 251.889191] rcu_preempt R [ 251.891927] 4*128kB (UM) [ 251.895985] running task [ 251.898381] 2*256kB (M) [ 251.900625] 22872 10 2 0x80000000 [ 251.905967] 4*512kB (UM) [ 251.908201] Call Trace: [ 251.913110] 3*1024kB (M) [ 251.915276] __schedule+0x86c/0x1ed0 [ 251.920091] 1*2048kB (M) [ 251.924595] ? __sched_text_start+0x8/0x8 [ 251.926627] 4*4096kB (M) [ 251.931677] ? __mod_timer+0x6f6/0x1870 [ 251.933803] = 24888kB [ 251.939339] ? add_timer_on+0x9f0/0x9f0 [ 251.941374] Node 0 [ 251.946386] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 251.948940] Normal: 1035*4kB [ 251.953791] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 251.956008] (MEH) [ 251.961369] ? trace_hardirqs_on+0xbd/0x310 [ 251.963411] 457*8kB [ 251.973801] ? kasan_check_read+0x11/0x20 [ 251.976025] (UMEH) [ 251.981210] ? prepare_to_swait_event+0x25a/0x800 [ 251.983269] 163*16kB [ 251.986381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.989115] (MEH) [ 251.992307] schedule+0xfe/0x460 [ 251.994944] 58*32kB (UMEH) [ 251.999097] ? __schedule+0x1ed0/0x1ed0 [ 252.001834] 13*64kB [ 252.004414] ? prepare_to_swait_event+0x25a/0x800 [ 252.007149] (UMH) [ 252.010862] ? __init_swait_queue_head+0x150/0x150 [ 252.013587] 2*128kB (H) [ 252.017738] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.020471] 0*256kB 0*512kB [ 252.024448] ? __lockdep_init_map+0x105/0x590 [ 252.026833] 0*1024kB 0*2048kB [ 252.030809] ? lockdep_init_map+0x9/0x10 [ 252.033029] 0*4096kB [ 252.038125] schedule_timeout+0x140/0x260 [ 252.041206] = 13348kB [ 252.046304] ? usleep_range+0x1a0/0x1a0 [ 252.048441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.052755] ? __next_timer_interrupt+0x1a0/0x1a0 [ 252.055062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.059200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.061412] 412 total pagecache pages [ 252.066252] rcu_gp_kthread+0x9d9/0x2310 [ 252.068651] 0 pages in swap cache [ 252.074118] ? rcu_gp_init+0x1830/0x1830 [ 252.076222] Swap cache stats: add 0, delete 0, find 0/0 [ 252.076232] Free swap = 0kB [ 252.079593] ? update_curr+0x344/0xbe0 [ 252.082495] Total swap = 0kB [ 252.082504] 1965979 pages RAM [ 252.086490] ? graph_lock+0x170/0x170 [ 252.088790] 0 pages HighMem/MovableOnly [ 252.088799] 343323 pages reserved [ 252.093637] ? __account_cfs_rq_runtime+0x790/0x790 [ 252.095759] 0 pages cma reserved [ 252.095831] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.100691] ? __lock_acquire+0x7ec/0x4ec0 [ 252.100712] ? graph_lock+0x170/0x170 [ 252.100735] ? mark_held_locks+0x130/0x130 [ 252.103440] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.108493] ? __lock_is_held+0xb5/0x140 [ 252.111490] syz-executor3 cpuset= [ 252.115973] ? __account_cfs_rq_runtime+0x790/0x790 [ 252.116001] ? set_next_entity+0x30c/0xc40 [ 252.119161] syz3 [ 252.123209] ? mark_held_locks+0x130/0x130 [ 252.123226] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.125654] mems_allowed=0 [ 252.129795] ? select_task_rq_fair+0x34f0/0x34f0 [ 252.132197] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 252.136157] ? __enqueue_entity+0x10d/0x1f0 [ 252.144969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.144993] Call Trace: [ 252.149860] ? graph_lock+0x170/0x170 [ 252.158414] [ 252.163944] ? lock_repin_lock+0x251/0x430 [ 252.167733] dump_stack+0x1c4/0x2b4 [ 252.171787] ? graph_lock+0x170/0x170 [ 252.175330] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.179383] ? put_prev_task_stop+0x300/0xa10 [ 252.184742] warn_alloc.cold.118+0xb7/0x1bd [ 252.187751] ? lock_repin_lock+0x250/0x430 [ 252.191626] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.194645] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.197734] ? lock_downgrade+0x900/0x900 [ 252.201529] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.205489] ? trace_hardirqs_off+0xb8/0x300 [ 252.208925] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.213931] ? trace_hardirqs_off+0xb8/0x300 [ 252.217282] ? trace_hardirqs_on+0xbd/0x310 [ 252.223770] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.227986] ? kasan_check_read+0x11/0x20 [ 252.231805] ? warn_alloc+0x120/0x120 [ 252.236004] ? mark_held_locks+0x130/0x130 [ 252.246485] ? warn_alloc+0x120/0x120 [ 252.250552] ? audit_add_watch+0xae1/0xdc0 [ 252.250575] ? kasan_check_write+0x14/0x20 [ 252.254025] ? print_usage_bug+0xc0/0xc0 [ 252.259027] ? finish_task_switch+0x2f5/0x900 [ 252.263261] ? warn_alloc+0x120/0x120 [ 252.265224] ? __switch_to_asm+0x40/0x70 [ 252.269446] ? print_usage_bug+0xc0/0xc0 [ 252.274453] ? preempt_notifier_register+0x200/0x200 [ 252.277374] ? __lock_acquire+0x7ec/0x4ec0 [ 252.282110] ? __switch_to_asm+0x34/0x70 [ 252.282127] ? __switch_to_asm+0x34/0x70 [ 252.289307] ? __lock_acquire+0x7ec/0x4ec0 [ 252.293617] ? __switch_to_asm+0x40/0x70 [ 252.302965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.305566] ? __switch_to_asm+0x40/0x70 [ 252.309357] ? should_fail+0x22d/0xd01 [ 252.311491] ? __switch_to_asm+0x34/0x70 [ 252.315717] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.319334] ? __switch_to_asm+0x40/0x70 [ 252.319351] ? __switch_to_asm+0x34/0x70 [ 252.323143] ? __lock_acquire+0x7ec/0x4ec0 [ 252.328320] ? __switch_to_asm+0x34/0x70 [ 252.332805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.332829] ? __lock_acquire+0x7ec/0x4ec0 [ 252.337170] ? __switch_to_asm+0x40/0x70 [ 252.341399] ? should_fail+0x22d/0xd01 [ 252.346228] ? __switch_to_asm+0x40/0x70 [ 252.350725] ? mark_held_locks+0x130/0x130 [ 252.354852] ? __switch_to_asm+0x34/0x70 [ 252.359337] ? mark_held_locks+0x130/0x130 [ 252.363725] ? __switch_to_asm+0x40/0x70 [ 252.363747] ? __schedule+0x874/0x1ed0 [ 252.368316] ? graph_lock+0x170/0x170 [ 252.372713] ? __switch_to_asm+0x40/0x70 [ 252.377031] ? graph_lock+0x170/0x170 [ 252.381857] ? __switch_to_asm+0x40/0x70 [ 252.385992] ? graph_lock+0x170/0x170 [ 252.389785] ? graph_lock+0x170/0x170 [ 252.394011] ? print_usage_bug+0xc0/0xc0 [ 252.397805] ? __sched_text_start+0x8/0x8 [ 252.402277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.406511] ? find_held_lock+0x36/0x1c0 [ 252.410840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.410858] ? check_preemption_disabled+0x48/0x200 [ 252.415350] ? __kthread_parkme+0xce/0x1a0 [ 252.419143] ? check_preemption_disabled+0x48/0x200 [ 252.423193] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.427342] ? __lock_is_held+0xb5/0x140 [ 252.432425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.436649] __alloc_pages_nodemask+0xa80/0xde0 [ 252.440699] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.444747] ? graph_lock+0x170/0x170 [ 252.448977] ? trace_hardirqs_on+0xbd/0x310 [ 252.453039] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.458563] ? kasan_check_read+0x11/0x20 [ 252.462605] ? graph_lock+0x170/0x170 [ 252.462632] ? find_held_lock+0x36/0x1c0 [ 252.466500] ? __kthread_parkme+0xce/0x1a0 [ 252.470552] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.475637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.479698] ? lock_downgrade+0x900/0x900 [ 252.483748] ? kasan_check_write+0x14/0x20 [ 252.487978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.492042] ? do_raw_spin_lock+0xc1/0x200 [ 252.497136] cache_grow_begin+0x91/0x8c0 [ 252.501358] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.505410] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.509289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.513346] fallback_alloc+0x203/0x2e0 [ 252.517565] ? __kthread_parkme+0xfb/0x1a0 [ 252.521800] ____cache_alloc_node+0x1c7/0x1e0 [ 252.526019] kthread+0x35a/0x420 [ 252.530081] kmem_cache_alloc_node+0xe3/0x730 [ 252.533954] ? rcu_gp_init+0x1830/0x1830 [ 252.537744] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.541792] ? kthread_bind+0x40/0x40 [ 252.545584] __alloc_skb+0x119/0x770 [ 252.549627] ret_from_fork+0x3a/0x50 [ 252.553417] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.557317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.561253] ? skb_scrub_packet+0x490/0x490 [ 252.561268] ? lock_downgrade+0x900/0x900 [ 252.561294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.565515] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.571042] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.575076] syz-executor3 cpuset= [ 252.580609] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.585604] syz3 [ 252.589838] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.594834] mems_allowed=0 [ 252.599938] ndisc_alloc_skb+0x144/0x340 [ 252.798655] ndisc_send_rs+0x331/0x6e0 [ 252.802556] addrconf_rs_timer+0x3c0/0x6f0 [ 252.806802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.811065] call_timer_fn+0x272/0x920 [ 252.814958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.819216] ? process_timeout+0x40/0x40 [ 252.823280] ? find_held_lock+0x36/0x1c0 [ 252.827353] ? __run_timers+0x7da/0xc70 [ 252.831331] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.835826] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.840326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.844564] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.849151] ? trace_hardirqs_on+0xbd/0x310 [ 252.853472] ? kasan_check_read+0x11/0x20 [ 252.857625] ? __run_timers+0x7da/0xc70 [ 252.861599] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.867075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.871319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.875558] __run_timers+0x7e5/0xc70 [ 252.879373] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.884739] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.889754] ? graph_lock+0x170/0x170 [ 252.893558] ? enqueue_hrtimer+0x1a5/0x560 [ 252.897793] ? lock_release+0x970/0x970 [ 252.901767] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.906961] ? find_held_lock+0x36/0x1c0 [ 252.911046] ? graph_lock+0x170/0x170 [ 252.914847] ? pvclock_read_flags+0x160/0x160 [ 252.919343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.924894] ? check_preemption_disabled+0x48/0x200 [ 252.929925] ? __lock_is_held+0xb5/0x140 [ 252.933991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.939554] ? check_preemption_disabled+0x48/0x200 [ 252.944585] run_timer_softirq+0x52/0xb0 [ 252.948675] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.953701] __do_softirq+0x30b/0xad8 [ 252.957514] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.962627] ? pvclock_read_flags+0x160/0x160 [ 252.967121] ? lapic_next_event+0x5a/0x90 [ 252.971275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.976826] ? check_preemption_disabled+0x48/0x200 [ 252.981840] ? check_preemption_disabled+0x48/0x200 [ 252.986866] ? kvm_clock_read+0x18/0x30 [ 252.990870] ? kvm_sched_clock_read+0x9/0x20 [ 252.995298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.000854] ? check_preemption_disabled+0x48/0x200 [ 253.005889] irq_exit+0x17f/0x1c0 [ 253.009349] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.014198] ? smp_reschedule_interrupt+0x109/0x650 [ 253.019228] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.025121] ? interrupt_entry+0xb5/0xf0 [ 253.029220] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.034240] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.039270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.044118] ? trace_hardirqs_off+0x300/0x300 [ 253.048618] ? trace_hardirqs_off+0x300/0x300 [ 253.053126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.058663] ? check_preemption_disabled+0x48/0x200 [ 253.063684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.069234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.074095] apic_timer_interrupt+0xf/0x20 [ 253.078329] [ 253.080572] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.085504] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 253.104421] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 253.112140] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.119417] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 253.126687] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 253.133952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.141221] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 253.148536] skb_clone+0x1bb/0x500 [ 253.152080] ? finish_task_switch+0x664/0x900 [ 253.156578] ? skb_split+0x11e0/0x11e0 [ 253.160474] ? preempt_notifier_register+0x200/0x200 [ 253.165576] ? __switch_to_asm+0x34/0x70 [ 253.169637] ? __switch_to_asm+0x34/0x70 [ 253.173698] ? __switch_to_asm+0x40/0x70 [ 253.177818] ? __switch_to_asm+0x34/0x70 [ 253.181879] ? __switch_to_asm+0x40/0x70 [ 253.185939] ? __switch_to_asm+0x34/0x70 [ 253.190042] ? __switch_to_asm+0x40/0x70 [ 253.194103] ? __switch_to_asm+0x34/0x70 [ 253.198169] ? __switch_to_asm+0x34/0x70 [ 253.202228] ? __switch_to_asm+0x40/0x70 [ 253.206323] ? __switch_to_asm+0x34/0x70 [ 253.210413] bpf_clone_redirect+0xb9/0x490 [ 253.214659] ? __schedule+0x874/0x1ed0 [ 253.218557] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 253.223578] ? __sched_text_start+0x8/0x8 [ 253.227726] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.232497] ? find_held_lock+0x36/0x1c0 [ 253.236568] ? lock_acquire+0x1ed/0x520 [ 253.240550] ? bpf_test_run+0x32e/0x5a0 [ 253.244522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.250065] ? check_preemption_disabled+0x48/0x200 [ 253.255092] ? kasan_check_read+0x11/0x20 [ 253.259261] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.264547] ? rcu_bh_qs+0xc0/0xc0 [ 253.268092] ? preempt_schedule+0x4d/0x60 [ 253.272240] ? ___preempt_schedule+0x16/0x18 [ 253.276661] ? bpf_test_run+0x1c0/0x5a0 [ 253.280646] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.285057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.290599] ? bpf_test_init.isra.9+0x70/0x100 [ 253.295190] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.299954] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.304798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.310337] ? fput+0x130/0x1a0 [ 253.313621] ? __bpf_prog_get+0x9b/0x290 [ 253.317695] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.322540] ? bpf_prog_test_run+0x130/0x1a0 [ 253.326957] ? __x64_sys_bpf+0x3d8/0x510 [ 253.331024] ? bpf_prog_get+0x20/0x20 [ 253.334836] ? ksys_ioctl+0x81/0xd0 [ 253.338474] ? do_syscall_64+0x1b9/0x820 [ 253.342545] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.347916] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.352850] ? trace_hardirqs_off+0x300/0x300 [ 253.357351] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.362367] ? recalc_sigpending_tsk+0x180/0x180 [ 253.367121] ? kasan_check_write+0x14/0x20 [ 253.371389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.376244] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.381628] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 253.381631] Mem-Info: [ 253.381663] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 253.381663] active_file:17 inactive_file:11 isolated_file:5 [ 253.381663] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.381663] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 253.381663] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 253.381663] free:13528 free_pcp:440 free_cma:0 [ 253.388822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.388831] Call Trace: [ 253.391294] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.424314] [ 253.433684] Node 0 [ 253.436289] dump_stack+0x1c4/0x2b4 [ 253.464050] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.466178] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.468388] lowmem_reserve[]: [ 253.472019] warn_alloc.cold.118+0xb7/0x1bd [ 253.497508] 0 [ 253.502704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.505782] 2815 [ 253.510301] ? lock_downgrade+0x900/0x900 [ 253.512090] 6318 [ 253.516931] ? trace_hardirqs_off+0xb8/0x300 [ 253.518979] 6318 [ 253.523121] ? trace_hardirqs_off+0xb8/0x300 [ 253.529591] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.531638] Node 0 [ 253.536068] ? warn_alloc+0x120/0x120 [ 253.540887] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 253.543094] ? warn_alloc+0x120/0x120 [ 253.546863] lowmem_reserve[]: 0 [ 253.574027] ? print_usage_bug+0xc0/0xc0 [ 253.577813] 0 [ 253.581102] ? warn_alloc+0x120/0x120 [ 253.585143] 3503 [ 253.586944] ? print_usage_bug+0xc0/0xc0 [ 253.590721] 3503 [ 253.592780] ? __lock_acquire+0x7ec/0x4ec0 [ 253.598876] ? __lock_acquire+0x7ec/0x4ec0 [ 253.603086] Node 0 [ 253.607314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.607346] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 253.607353] lowmem_reserve[]: [ 253.609589] ? should_fail+0x22d/0xd01 [ 253.615099] 0 [ 253.643590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.646677] 0 [ 253.650560] ? __lock_acquire+0x7ec/0x4ec0 [ 253.652340] 0 [ 253.657442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.659221] 0 [ 253.663450] ? __lock_acquire+0x7ec/0x4ec0 [ 253.670323] ? should_fail+0x22d/0xd01 [ 253.672104] Node 0 [ 253.676338] ? mark_held_locks+0x130/0x130 [ 253.680198] DMA: [ 253.682428] ? mark_held_locks+0x130/0x130 [ 253.686648] 1*4kB [ 253.688720] ? graph_lock+0x170/0x170 [ 253.692929] (U) [ 253.695100] ? graph_lock+0x170/0x170 [ 253.698872] 0*8kB 0*16kB [ 253.700856] ? graph_lock+0x170/0x170 [ 253.704629] 1*32kB (U) [ 253.707392] ? print_usage_bug+0xc0/0xc0 [ 253.711169] 2*64kB [ 253.713756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.717784] (U) 1*128kB [ 253.720041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.725551] (U) [ 253.728231] ? check_preemption_disabled+0x48/0x200 [ 253.733745] 1*256kB (U) [ 253.735725] ? check_preemption_disabled+0x48/0x200 [ 253.740719] 0*512kB [ 253.743395] ? __lock_is_held+0xb5/0x140 [ 253.748376] 1*1024kB (U) [ 253.750708] __alloc_pages_nodemask+0xa80/0xde0 [ 253.754738] 1*2048kB (M) [ 253.757502] ? graph_lock+0x170/0x170 [ 253.762148] 3*4096kB [ 253.764904] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.768678] (M) [ 253.771080] ? graph_lock+0x170/0x170 [ 253.776063] = 15908kB [ 253.776084] Node 0 [ 253.778065] ? find_held_lock+0x36/0x1c0 [ 253.781839] DMA32: [ 253.784248] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.786463] 4*4kB [ 253.790518] ? lock_downgrade+0x900/0x900 [ 253.792732] (UM) [ 253.797401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.799531] 3*8kB [ 253.803676] cache_grow_begin+0x91/0x8c0 [ 253.805718] (UM) [ 253.811253] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.813388] 1*16kB [ 253.817446] fallback_alloc+0x203/0x2e0 [ 253.819480] (M) [ 253.823885] ____cache_alloc_node+0x1c7/0x1e0 [ 253.826101] 2*32kB [ 253.830070] kmem_cache_alloc_node+0xe3/0x730 [ 253.832025] (UM) [ 253.836514] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.838728] 3*64kB [ 253.843224] __alloc_skb+0x119/0x770 [ 253.845263] (UM) [ 253.849499] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.851714] 4*128kB [ 253.855424] ? skb_scrub_packet+0x490/0x490 [ 253.857467] (UM) [ 253.862737] ? lock_downgrade+0x900/0x900 [ 253.865040] 2*256kB [ 253.869358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.871420] (M) [ 253.875576] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.877875] 4*512kB [ 253.883404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.885356] (UM) [ 253.890801] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.893099] 3*1024kB [ 253.898568] ndisc_alloc_skb+0x144/0x340 [ 253.900603] (M) [ 253.905028] ndisc_send_rs+0x331/0x6e0 [ 253.907422] 1*2048kB [ 253.911476] addrconf_rs_timer+0x3c0/0x6f0 [ 253.913436] (M) [ 253.917346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.919735] 4*4096kB [ 253.923974] call_timer_fn+0x272/0x920 [ 253.925929] (M) [ 253.930160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.932546] = 24888kB [ 253.936427] ? process_timeout+0x40/0x40 [ 253.938389] Node 0 [ 253.942617] ? find_held_lock+0x36/0x1c0 [ 253.945018] Normal: [ 253.949079] ? __run_timers+0x7da/0xc70 [ 253.951289] 1035*4kB [ 253.955353] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.957651] (MEH) [ 253.961623] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.964014] 457*8kB [ 253.968505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.970632] (UMEH) [ 253.975118] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.977415] 163*16kB (MEH) [ 253.981652] ? trace_hardirqs_on+0xbd/0x310 [ 253.983869] 58*32kB [ 253.988442] ? kasan_check_read+0x11/0x20 [ 253.991350] (UMEH) [ 253.995667] ? __run_timers+0x7da/0xc70 [ 253.997969] 13*64kB [ 254.002121] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.004332] (UMH) [ 254.008331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.010641] 2*128kB (H) [ 254.016094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.018219] 0*256kB [ 254.022450] __run_timers+0x7e5/0xc70 [ 254.025097] 0*512kB [ 254.029335] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.031627] 0*1024kB [ 254.035425] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.037729] 0*2048kB [ 254.043082] ? graph_lock+0x170/0x170 [ 254.045469] 0*4096kB [ 254.050912] ? enqueue_hrtimer+0x1a5/0x560 [ 254.053304] = 13348kB [ 254.057108] ? lock_release+0x970/0x970 [ 254.059506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.063732] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.066127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.070095] ? find_held_lock+0x36/0x1c0 [ 254.078903] 412 total pagecache pages [ 254.084085] ? graph_lock+0x170/0x170 [ 254.092640] 0 pages in swap cache [ 254.096691] ? pvclock_read_flags+0x160/0x160 [ 254.100473] Swap cache stats: add 0, delete 0, find 0/0 [ 254.104263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.104280] ? check_preemption_disabled+0x48/0x200 [ 254.107714] Free swap = 0kB [ 254.112207] ? __lock_is_held+0xb5/0x140 [ 254.117544] Total swap = 0kB [ 254.123076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.128071] 1965979 pages RAM [ 254.131099] ? check_preemption_disabled+0x48/0x200 [ 254.135131] 0 pages HighMem/MovableOnly [ 254.135140] 343323 pages reserved [ 254.138160] run_timer_softirq+0x52/0xb0 [ 254.143672] 0 pages cma reserved [ 254.146774] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.151824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.155732] __do_softirq+0x30b/0xad8 [ 254.159281] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.163238] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.166592] syz-executor3 cpuset= [ 254.171602] ? pvclock_read_flags+0x160/0x160 [ 254.178080] syz3 [ 254.181871] ? lapic_next_event+0x5a/0x90 [ 254.192352] mems_allowed=0 [ 254.197476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.219925] ? check_preemption_disabled+0x48/0x200 [ 254.224953] ? check_preemption_disabled+0x48/0x200 [ 254.230016] ? kvm_clock_read+0x18/0x30 [ 254.233995] ? kvm_sched_clock_read+0x9/0x20 [ 254.238412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.243947] ? check_preemption_disabled+0x48/0x200 [ 254.248980] irq_exit+0x17f/0x1c0 [ 254.252440] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.257287] ? smp_reschedule_interrupt+0x109/0x650 [ 254.262304] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.268187] ? interrupt_entry+0xb5/0xf0 [ 254.272249] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.277265] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.282287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.287137] ? trace_hardirqs_off+0x300/0x300 [ 254.291633] ? trace_hardirqs_off+0x300/0x300 [ 254.296134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.301676] ? check_preemption_disabled+0x48/0x200 [ 254.306697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.312264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.317124] apic_timer_interrupt+0xf/0x20 [ 254.321359] [ 254.323595] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.328531] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 254.347430] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 254.355143] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 254.362408] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 254.369676] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 254.376944] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 254.384211] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 254.393260] skb_clone+0x1bb/0x500 [ 254.396803] ? finish_task_switch+0x1b5/0x900 [ 254.401769] ? skb_split+0x11e0/0x11e0 [ 254.405661] ? preempt_notifier_register+0x200/0x200 [ 254.410852] ? __switch_to_asm+0x34/0x70 [ 254.414915] ? __switch_to_asm+0x34/0x70 [ 254.418974] ? __switch_to_asm+0x40/0x70 [ 254.423035] ? __switch_to_asm+0x34/0x70 [ 254.427097] ? __switch_to_asm+0x40/0x70 [ 254.431162] ? __switch_to_asm+0x34/0x70 [ 254.435236] ? __switch_to_asm+0x40/0x70 [ 254.439313] ? __switch_to_asm+0x34/0x70 [ 254.443379] ? __switch_to_asm+0x34/0x70 [ 254.447445] ? __switch_to_asm+0x40/0x70 [ 254.451502] ? __switch_to_asm+0x34/0x70 [ 254.455581] bpf_clone_redirect+0xb9/0x490 [ 254.459821] ? __schedule+0x874/0x1ed0 [ 254.463720] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 254.468739] ? __sched_text_start+0x8/0x8 [ 254.472895] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.477662] ? find_held_lock+0x36/0x1c0 [ 254.481740] ? lock_acquire+0x1ed/0x520 [ 254.485716] ? bpf_test_run+0x32e/0x5a0 [ 254.489695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.495230] ? check_preemption_disabled+0x48/0x200 [ 254.500247] ? kasan_check_read+0x11/0x20 [ 254.504401] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.509763] ? rcu_bh_qs+0xc0/0xc0 [ 254.513308] ? preempt_schedule+0x4d/0x60 [ 254.517460] ? ___preempt_schedule+0x16/0x18 [ 254.521876] ? bpf_test_run+0x1c0/0x5a0 [ 254.525861] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.530273] ? bpf_prog_test_run_skb+0x295/0xb40 [ 254.535048] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.539828] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.544674] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.550210] ? fput+0x130/0x1a0 [ 254.553494] ? __bpf_prog_get+0x9b/0x290 [ 254.557558] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.562399] ? bpf_prog_test_run+0x130/0x1a0 [ 254.566814] ? __x64_sys_bpf+0x3d8/0x510 [ 254.570876] ? bpf_prog_get+0x20/0x20 [ 254.574702] ? do_syscall_64+0x1b9/0x820 [ 254.578766] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.584132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.589058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.593926] ? trace_hardirqs_off+0x300/0x300 [ 254.598419] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.603445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.608986] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.614009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.618879] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.624264] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 254.624330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.631464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.631470] Call Trace: [ 254.631477] [ 254.631496] dump_stack+0x1c4/0x2b4 [ 254.631512] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.631543] warn_alloc.cold.118+0xb7/0x1bd [ 254.638132] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.647383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.649955] syz-executor3 cpuset= [ 254.652101] ? lock_downgrade+0x900/0x900 [ 254.655703] syz3 [ 254.660895] ? trace_hardirqs_off+0xb8/0x300 [ 254.665196] mems_allowed=0 [ 254.675706] ? trace_hardirqs_off+0xb8/0x300 [ 254.701809] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.706688] ? warn_alloc+0x120/0x120 [ 254.710502] ? trace_hardirqs_on+0x310/0x310 [ 254.714926] ? warn_alloc+0x120/0x120 [ 254.718743] ? print_usage_bug+0xc0/0xc0 [ 254.722809] ? warn_alloc+0x120/0x120 [ 254.726614] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 254.731631] ? print_usage_bug+0xc0/0xc0 [ 254.735703] ? __lock_acquire+0x7ec/0x4ec0 [ 254.739935] ? __lock_acquire+0x7ec/0x4ec0 [ 254.744171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.749711] ? should_fail+0x22d/0xd01 [ 254.753606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.758710] ? __lock_acquire+0x7ec/0x4ec0 [ 254.762950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.768051] ? __lock_acquire+0x7ec/0x4ec0 [ 254.772283] ? should_fail+0x22d/0xd01 [ 254.776168] ? print_usage_bug+0xc0/0xc0 [ 254.780260] ? mark_held_locks+0x130/0x130 [ 254.784531] ? mark_held_locks+0x130/0x130 [ 254.788781] ? graph_lock+0x170/0x170 [ 254.792584] ? print_usage_bug+0xc0/0xc0 [ 254.796646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.801407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.806943] ? check_preemption_disabled+0x48/0x200 [ 254.811965] ? check_preemption_disabled+0x48/0x200 [ 254.817010] ? __lock_is_held+0xb5/0x140 [ 254.821091] __alloc_pages_nodemask+0xa80/0xde0 [ 254.825763] ? graph_lock+0x170/0x170 [ 254.829570] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.834588] ? graph_lock+0x170/0x170 [ 254.838403] ? find_held_lock+0x36/0x1c0 [ 254.842477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.847151] ? lock_downgrade+0x900/0x900 [ 254.851312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.856859] cache_grow_begin+0x91/0x8c0 [ 254.860921] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.865340] fallback_alloc+0x203/0x2e0 [ 254.869323] ____cache_alloc_node+0x1c7/0x1e0 [ 254.873824] kmem_cache_alloc_node+0xe3/0x730 [ 254.878323] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.882574] __alloc_skb+0x119/0x770 [ 254.886291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.891573] ? skb_scrub_packet+0x490/0x490 [ 254.895898] ? lock_downgrade+0x900/0x900 [ 254.900057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.905594] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.911056] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.916512] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.920934] ndisc_alloc_skb+0x144/0x340 [ 254.925003] ndisc_send_rs+0x331/0x6e0 [ 254.928903] addrconf_rs_timer+0x3c0/0x6f0 [ 254.933147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.937398] call_timer_fn+0x272/0x920 [ 254.941298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.945540] ? process_timeout+0x40/0x40 [ 254.949604] ? find_held_lock+0x36/0x1c0 [ 254.953681] ? __run_timers+0x7da/0xc70 [ 254.957662] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.962155] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.966653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.970893] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.975475] ? trace_hardirqs_on+0xbd/0x310 [ 254.979794] ? kasan_check_read+0x11/0x20 [ 254.983946] ? __run_timers+0x7da/0xc70 [ 254.987940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.993396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.997639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.001877] __run_timers+0x7e5/0xc70 [ 255.005696] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.011063] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.016093] ? graph_lock+0x170/0x170 [ 255.019901] ? enqueue_hrtimer+0x1a5/0x560 [ 255.024144] ? lock_release+0x970/0x970 [ 255.028116] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.033326] ? find_held_lock+0x36/0x1c0 [ 255.037392] ? graph_lock+0x170/0x170 [ 255.041198] ? pvclock_read_flags+0x160/0x160 [ 255.045693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.051229] ? check_preemption_disabled+0x48/0x200 [ 255.056273] ? __lock_is_held+0xb5/0x140 [ 255.060343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.065880] ? check_preemption_disabled+0x48/0x200 [ 255.070905] run_timer_softirq+0x52/0xb0 [ 255.074967] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.079988] __do_softirq+0x30b/0xad8 [ 255.083811] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.088920] ? pvclock_read_flags+0x160/0x160 [ 255.093420] ? lapic_next_event+0x5a/0x90 [ 255.097583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.103142] ? check_preemption_disabled+0x48/0x200 [ 255.108168] ? check_preemption_disabled+0x48/0x200 [ 255.113191] ? kvm_clock_read+0x18/0x30 [ 255.117169] ? kvm_sched_clock_read+0x9/0x20 [ 255.121577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.127110] ? check_preemption_disabled+0x48/0x200 [ 255.132135] irq_exit+0x17f/0x1c0 [ 255.135588] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.140449] ? smp_reschedule_interrupt+0x109/0x650 [ 255.145476] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.151365] ? interrupt_entry+0xb5/0xf0 [ 255.155428] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.160447] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.165471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.170319] ? trace_hardirqs_off+0x300/0x300 [ 255.174812] ? trace_hardirqs_off+0x300/0x300 [ 255.179310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.184845] ? check_preemption_disabled+0x48/0x200 [ 255.189860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.195409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.200275] apic_timer_interrupt+0xf/0x20 [ 255.204502] [ 255.206746] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.211677] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 255.230576] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 255.238285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.245556] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 255.252821] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 255.260089] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.267363] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.274683] skb_clone+0x1bb/0x500 [ 255.278230] ? finish_task_switch+0x664/0x900 [ 255.282737] ? skb_split+0x11e0/0x11e0 [ 255.286630] ? preempt_notifier_register+0x200/0x200 [ 255.291736] ? __switch_to_asm+0x34/0x70 [ 255.295796] ? __switch_to_asm+0x34/0x70 [ 255.299853] ? __switch_to_asm+0x40/0x70 [ 255.303910] ? __switch_to_asm+0x34/0x70 [ 255.307964] ? __switch_to_asm+0x40/0x70 [ 255.312033] ? __switch_to_asm+0x34/0x70 [ 255.316094] ? __switch_to_asm+0x40/0x70 [ 255.320164] ? __switch_to_asm+0x34/0x70 [ 255.324224] ? __switch_to_asm+0x34/0x70 [ 255.328291] ? __switch_to_asm+0x40/0x70 [ 255.332350] ? __switch_to_asm+0x34/0x70 [ 255.336419] bpf_clone_redirect+0xb9/0x490 [ 255.340656] ? __schedule+0x874/0x1ed0 [ 255.344550] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 255.349572] ? __sched_text_start+0x8/0x8 [ 255.353722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.358495] ? find_held_lock+0x36/0x1c0 [ 255.362564] ? lock_acquire+0x1ed/0x520 [ 255.366542] ? bpf_test_run+0x32e/0x5a0 [ 255.370529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.376066] ? check_preemption_disabled+0x48/0x200 [ 255.381086] ? kasan_check_read+0x11/0x20 [ 255.385247] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.390524] ? rcu_bh_qs+0xc0/0xc0 [ 255.394069] ? preempt_schedule+0x4d/0x60 [ 255.398222] ? ___preempt_schedule+0x16/0x18 [ 255.402647] ? bpf_test_run+0x1c0/0x5a0 [ 255.406631] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.411060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.416602] ? bpf_test_init.isra.9+0x70/0x100 [ 255.421203] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.425965] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.430811] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.436362] ? fput+0x130/0x1a0 [ 255.439643] ? __bpf_prog_get+0x9b/0x290 [ 255.443723] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.448563] ? bpf_prog_test_run+0x130/0x1a0 [ 255.452986] ? __x64_sys_bpf+0x3d8/0x510 [ 255.457064] ? bpf_prog_get+0x20/0x20 [ 255.460873] ? ksys_ioctl+0x81/0xd0 [ 255.464521] ? do_syscall_64+0x1b9/0x820 [ 255.468610] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.473976] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.478908] ? trace_hardirqs_off+0x300/0x300 [ 255.483409] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.488429] ? recalc_sigpending_tsk+0x180/0x180 [ 255.493181] ? kasan_check_write+0x14/0x20 [ 255.497519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.502385] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.508258] warn_alloc_show_mem: 1 callbacks suppressed [ 255.508270] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 255.508273] Mem-Info: [ 255.508304] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 255.508304] active_file:17 inactive_file:11 isolated_file:5 [ 255.508304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.508304] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 255.508304] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 255.508304] free:13528 free_pcp:440 free_cma:0 [ 255.513643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.513653] Call Trace: [ 255.520852] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.523258] [ 255.556789] Node 0 [ 255.566154] dump_stack+0x1c4/0x2b4 [ 255.568742] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.596488] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.598623] lowmem_reserve[]: 0 [ 255.600876] warn_alloc.cold.118+0xb7/0x1bd [ 255.604489] 2815 [ 255.629995] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.635162] 6318 [ 255.638436] ? lock_downgrade+0x900/0x900 [ 255.642732] 6318 [ 255.644798] ? trace_hardirqs_off+0xb8/0x300 [ 255.651684] ? trace_hardirqs_off+0xb8/0x300 [ 255.655804] Node 0 [ 255.657866] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.662276] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 255.666672] ? warn_alloc+0x120/0x120 [ 255.668865] lowmem_reserve[]: 0 [ 255.673738] ? warn_alloc+0x120/0x120 [ 255.700874] 0 3503 [ 255.704686] ? print_usage_bug+0xc0/0xc0 [ 255.707939] 3503 [ 255.711743] ? warn_alloc+0x120/0x120 [ 255.718043] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 255.720095] Node 0 [ 255.723888] ? print_usage_bug+0xc0/0xc0 [ 255.728931] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 255.731139] ? __lock_acquire+0x7ec/0x4ec0 [ 255.735178] lowmem_reserve[]: [ 255.763626] ? __lock_acquire+0x7ec/0x4ec0 [ 255.767837] 0 [ 255.770936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.775144] 0 [ 255.776942] ? should_fail+0x22d/0xd01 [ 255.782455] 0 [ 255.784249] ? __lock_acquire+0x7ec/0x4ec0 [ 255.788119] 0 [ 255.789923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.794135] Node 0 [ 255.795932] ? __lock_acquire+0x7ec/0x4ec0 [ 255.801010] DMA: [ 255.803245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.807464] 1*4kB [ 255.809560] ? __lock_acquire+0x7ec/0x4ec0 [ 255.814639] (U) [ 255.816783] ? should_fail+0x22d/0xd01 [ 255.820993] 0*8kB [ 255.822981] ? mark_held_locks+0x130/0x130 [ 255.826846] 0*16kB [ 255.828993] ? mark_held_locks+0x130/0x130 [ 255.833205] 1*32kB [ 255.835443] ? graph_lock+0x170/0x170 [ 255.839648] (U) [ 255.841876] ? print_usage_bug+0xc0/0xc0 [ 255.845650] 2*64kB [ 255.847614] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.847634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.851669] (U) [ 255.853927] ? check_preemption_disabled+0x48/0x200 [ 255.858658] 1*128kB [ 255.864184] ? check_preemption_disabled+0x48/0x200 [ 255.866156] (U) [ 255.871168] ? __lock_is_held+0xb5/0x140 [ 255.873459] 1*256kB (U) [ 255.878479] __alloc_pages_nodemask+0xa80/0xde0 [ 255.880423] 0*512kB 1*1024kB [ 255.884485] ? graph_lock+0x170/0x170 [ 255.887133] (U) [ 255.891796] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.894879] 1*2048kB [ 255.898675] ? graph_lock+0x170/0x170 [ 255.900632] (M) [ 255.905645] ? find_held_lock+0x36/0x1c0 [ 255.908058] 3*4096kB [ 255.911871] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.913817] (M) [ 255.917871] ? lock_downgrade+0x900/0x900 [ 255.920260] = 15908kB [ 255.920269] Node 0 [ 255.924941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.926891] DMA32: [ 255.931042] cache_grow_begin+0x91/0x8c0 [ 255.933432] 4*4kB [ 255.935663] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.941171] (UM) [ 255.943405] fallback_alloc+0x203/0x2e0 [ 255.947442] 3*8kB [ 255.949589] ____cache_alloc_node+0x1c7/0x1e0 [ 255.953972] (UM) [ 255.956041] kmem_cache_alloc_node+0xe3/0x730 [ 255.959996] 1*16kB [ 255.962138] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.966607] (M) [ 255.968673] __alloc_skb+0x119/0x770 [ 255.973143] 2*32kB [ 255.975381] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.979591] (UM) [ 255.981568] ? skb_scrub_packet+0x490/0x490 [ 255.985263] 3*64kB [ 255.987502] ? lock_downgrade+0x900/0x900 [ 255.992777] (UM) [ 255.994841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.999136] 4*128kB [ 256.001371] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.005515] (UM) [ 256.007582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.013094] 2*256kB [ 256.015413] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.020837] (M) [ 256.022907] ndisc_alloc_skb+0x144/0x340 [ 256.028325] 4*512kB [ 256.030642] ndisc_send_rs+0x331/0x6e0 [ 256.035040] (UM) [ 256.037012] addrconf_rs_timer+0x3c0/0x6f0 [ 256.041045] 3*1024kB (M) [ 256.043380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.047250] 1*2048kB [ 256.049323] call_timer_fn+0x272/0x920 [ 256.053518] (M) 4*4096kB [ 256.056288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.060498] (M) [ 256.062913] ? process_timeout+0x40/0x40 [ 256.066773] = 24888kB [ 256.066782] Node 0 [ 256.069538] ? find_held_lock+0x36/0x1c0 [ 256.073761] Normal: [ 256.075739] ? __run_timers+0x7da/0xc70 [ 256.079770] 1035*4kB [ 256.082176] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.084382] (MEH) [ 256.088439] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.090744] 457*8kB [ 256.094715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.097093] (UMEH) 163*16kB [ 256.101596] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.103724] (MEH) 58*32kB [ 256.108226] ? trace_hardirqs_on+0xbd/0x310 [ 256.110525] (UMEH) 13*64kB [ 256.114771] ? kasan_check_read+0x11/0x20 [ 256.117777] (UMH) [ 256.122356] ? __run_timers+0x7da/0xc70 [ 256.125187] 2*128kB [ 256.129504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.132410] (H) [ 256.136571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.138692] 0*256kB [ 256.142659] __run_timers+0x7e5/0xc70 [ 256.144973] 0*512kB [ 256.150427] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.152370] 0*1024kB [ 256.156599] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.158914] 0*2048kB [ 256.162708] ? graph_lock+0x170/0x170 [ 256.165010] 0*4096kB [ 256.170364] ? enqueue_hrtimer+0x1a5/0x560 [ 256.172755] = 13348kB [ 256.177766] ? lock_release+0x970/0x970 [ 256.180162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.183965] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.186357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.190583] ? find_held_lock+0x36/0x1c0 [ 256.192994] 412 total pagecache pages [ 256.196975] ? graph_lock+0x170/0x170 [ 256.205791] 0 pages in swap cache [ 256.210968] ? pvclock_read_flags+0x160/0x160 [ 256.219517] Swap cache stats: add 0, delete 0, find 0/0 [ 256.219533] Free swap = 0kB [ 256.223602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.227373] Total swap = 0kB [ 256.227382] 1965979 pages RAM [ 256.231180] ? check_preemption_disabled+0x48/0x200 [ 256.234613] 0 pages HighMem/MovableOnly [ 256.239106] ? __lock_is_held+0xb5/0x140 [ 256.244444] 343323 pages reserved [ 256.247458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.252971] 0 pages cma reserved [ 256.253051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.255997] ? check_preemption_disabled+0x48/0x200 [ 256.259199] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.264102] run_timer_softirq+0x52/0xb0 [ 256.268054] syz-executor3 cpuset= [ 256.272108] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.275534] syz3 [ 256.281065] __do_softirq+0x30b/0xad8 [ 256.284411] mems_allowed=0 [ 256.290902] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.332601] ? pvclock_read_flags+0x160/0x160 [ 256.337096] ? lapic_next_event+0x5a/0x90 [ 256.341260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.346797] ? check_preemption_disabled+0x48/0x200 [ 256.351811] ? check_preemption_disabled+0x48/0x200 [ 256.356836] ? kvm_clock_read+0x18/0x30 [ 256.360812] ? kvm_sched_clock_read+0x9/0x20 [ 256.365219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.370765] ? check_preemption_disabled+0x48/0x200 [ 256.375797] irq_exit+0x17f/0x1c0 [ 256.379265] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.384106] ? smp_reschedule_interrupt+0x109/0x650 [ 256.389122] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.395007] ? interrupt_entry+0xb5/0xf0 [ 256.399563] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.404609] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.409642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.414485] ? trace_hardirqs_off+0x300/0x300 [ 256.420627] ? trace_hardirqs_off+0x300/0x300 [ 256.425123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.430680] ? check_preemption_disabled+0x48/0x200 [ 256.435701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.441248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.446107] apic_timer_interrupt+0xf/0x20 [ 256.450333] [ 256.452573] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.457504] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 256.476419] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 256.484128] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 256.491395] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 256.498685] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 256.505952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 256.513218] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 256.520528] skb_clone+0x1bb/0x500 [ 256.524072] ? finish_task_switch+0x1b5/0x900 [ 256.528607] ? skb_split+0x11e0/0x11e0 [ 256.532507] ? preempt_notifier_register+0x200/0x200 [ 256.537616] ? __switch_to_asm+0x34/0x70 [ 256.541674] ? __switch_to_asm+0x34/0x70 [ 256.545736] ? __switch_to_asm+0x40/0x70 [ 256.549798] ? __switch_to_asm+0x34/0x70 [ 256.553856] ? __switch_to_asm+0x40/0x70 [ 256.557927] ? __switch_to_asm+0x34/0x70 [ 256.561992] ? __switch_to_asm+0x40/0x70 [ 256.566049] ? __switch_to_asm+0x34/0x70 [ 256.570106] ? __switch_to_asm+0x34/0x70 [ 256.574177] ? __switch_to_asm+0x40/0x70 [ 256.578232] ? __switch_to_asm+0x34/0x70 [ 256.582305] bpf_clone_redirect+0xb9/0x490 [ 256.586544] ? __schedule+0x874/0x1ed0 [ 256.590440] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 256.595458] ? __sched_text_start+0x8/0x8 [ 256.599612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.604394] ? find_held_lock+0x36/0x1c0 [ 256.608475] ? lock_acquire+0x1ed/0x520 [ 256.612450] ? bpf_test_run+0x32e/0x5a0 [ 256.616453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.621987] ? check_preemption_disabled+0x48/0x200 [ 256.627010] ? kasan_check_read+0x11/0x20 [ 256.631163] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.636450] ? rcu_bh_qs+0xc0/0xc0 [ 256.640018] ? preempt_schedule+0x4d/0x60 [ 256.644171] ? ___preempt_schedule+0x16/0x18 [ 256.648591] ? bpf_test_run+0x1c0/0x5a0 [ 256.652583] ? netlink_diag_dump+0x2a0/0x2a0 [ 256.657000] ? bpf_prog_test_run_skb+0x295/0xb40 [ 256.661760] ? bpf_prog_test_run_skb+0x634/0xb40 [ 256.666530] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.671376] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.676911] ? fput+0x130/0x1a0 [ 256.680191] ? __bpf_prog_get+0x9b/0x290 [ 256.684252] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.689092] ? bpf_prog_test_run+0x130/0x1a0 [ 256.693507] ? __x64_sys_bpf+0x3d8/0x510 [ 256.697574] ? bpf_prog_get+0x20/0x20 [ 256.701399] ? do_syscall_64+0x1b9/0x820 [ 256.705464] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.710829] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.715759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.720609] ? trace_hardirqs_off+0x300/0x300 [ 256.725105] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.730125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.735663] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.740688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.745546] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.750933] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 256.751026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.758156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.758162] Call Trace: [ 256.758169] [ 256.758186] dump_stack+0x1c4/0x2b4 [ 256.758217] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.764755] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.774066] warn_alloc.cold.118+0xb7/0x1bd [ 256.776645] syz-executor3 cpuset= [ 256.778794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.782399] syz3 [ 256.787585] ? lock_downgrade+0x900/0x900 [ 256.798062] mems_allowed=0 [ 256.802393] ? trace_hardirqs_off+0xb8/0x300 [ 256.824063] ? trace_hardirqs_off+0xb8/0x300 [ 256.828484] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.833361] ? warn_alloc+0x120/0x120 [ 256.837170] ? warn_alloc+0x120/0x120 [ 256.840975] ? print_usage_bug+0xc0/0xc0 [ 256.845049] ? warn_alloc+0x120/0x120 [ 256.848851] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 256.853869] ? print_usage_bug+0xc0/0xc0 [ 256.857947] ? __lock_acquire+0x7ec/0x4ec0 [ 256.862220] ? __lock_acquire+0x7ec/0x4ec0 [ 256.866465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.872001] ? should_fail+0x22d/0xd01 [ 256.875913] ? __lock_acquire+0x7ec/0x4ec0 [ 256.880172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.885279] ? __lock_acquire+0x7ec/0x4ec0 [ 256.889515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.894617] ? __lock_acquire+0x7ec/0x4ec0 [ 256.898852] ? should_fail+0x22d/0xd01 [ 256.902786] ? mark_held_locks+0x130/0x130 [ 256.907030] ? mark_held_locks+0x130/0x130 [ 256.911281] ? graph_lock+0x170/0x170 [ 256.915082] ? print_usage_bug+0xc0/0xc0 [ 256.919140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.923895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.929433] ? check_preemption_disabled+0x48/0x200 [ 256.934448] ? check_preemption_disabled+0x48/0x200 [ 256.939475] ? __lock_is_held+0xb5/0x140 [ 256.943546] __alloc_pages_nodemask+0xa80/0xde0 [ 256.948217] ? graph_lock+0x170/0x170 [ 256.952053] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.957065] ? graph_lock+0x170/0x170 [ 256.960891] ? find_held_lock+0x36/0x1c0 [ 256.964963] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.969667] ? lock_downgrade+0x900/0x900 [ 256.973823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.979402] cache_grow_begin+0x91/0x8c0 [ 256.983474] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.987892] fallback_alloc+0x203/0x2e0 [ 256.991875] ____cache_alloc_node+0x1c7/0x1e0 [ 256.996391] kmem_cache_alloc_node+0xe3/0x730 [ 257.000892] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.005149] __alloc_skb+0x119/0x770 [ 257.008877] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.014187] ? skb_scrub_packet+0x490/0x490 [ 257.018509] ? lock_downgrade+0x900/0x900 [ 257.022675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.028214] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.033675] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.039133] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.043592] ndisc_alloc_skb+0x144/0x340 [ 257.047664] ndisc_send_rs+0x331/0x6e0 [ 257.051560] addrconf_rs_timer+0x3c0/0x6f0 [ 257.055813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.060063] call_timer_fn+0x272/0x920 [ 257.063965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.068209] ? process_timeout+0x40/0x40 [ 257.072274] ? find_held_lock+0x36/0x1c0 [ 257.076349] ? __run_timers+0x7da/0xc70 [ 257.080327] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.084826] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.089322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.093557] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.098142] ? trace_hardirqs_on+0xbd/0x310 [ 257.102471] ? kasan_check_read+0x11/0x20 [ 257.106631] ? __run_timers+0x7da/0xc70 [ 257.110609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.116071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.120305] __run_timers+0x7e5/0xc70 [ 257.124121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.129488] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.134519] ? graph_lock+0x170/0x170 [ 257.138326] ? enqueue_hrtimer+0x1a5/0x560 [ 257.142562] ? lock_release+0x970/0x970 [ 257.146545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.151746] ? find_held_lock+0x36/0x1c0 [ 257.155815] ? graph_lock+0x170/0x170 [ 257.159617] ? pvclock_read_flags+0x160/0x160 [ 257.164112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.169646] ? check_preemption_disabled+0x48/0x200 [ 257.174677] ? __lock_is_held+0xb5/0x140 [ 257.178739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.184289] ? check_preemption_disabled+0x48/0x200 [ 257.189318] run_timer_softirq+0x52/0xb0 [ 257.193393] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.198445] __do_softirq+0x30b/0xad8 [ 257.202275] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.207387] ? pvclock_read_flags+0x160/0x160 [ 257.211880] ? lapic_next_event+0x5a/0x90 [ 257.216034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.221569] ? check_preemption_disabled+0x48/0x200 [ 257.226581] ? check_preemption_disabled+0x48/0x200 [ 257.231644] ? kvm_clock_read+0x18/0x30 [ 257.235621] ? kvm_sched_clock_read+0x9/0x20 [ 257.240035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.245574] ? check_preemption_disabled+0x48/0x200 [ 257.250604] irq_exit+0x17f/0x1c0 [ 257.254063] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.258910] ? smp_reschedule_interrupt+0x109/0x650 [ 257.263943] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.269853] ? interrupt_entry+0xb5/0xf0 [ 257.273915] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.278940] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.283970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.288811] ? trace_hardirqs_off+0x300/0x300 [ 257.293312] ? trace_hardirqs_off+0x300/0x300 [ 257.297810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.303359] ? check_preemption_disabled+0x48/0x200 [ 257.308376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.313924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.318774] apic_timer_interrupt+0xf/0x20 [ 257.323014] [ 257.325285] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.330215] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 257.349115] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 257.356833] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.364101] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 257.371368] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 257.378635] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.385927] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.393237] skb_clone+0x1bb/0x500 [ 257.396795] ? finish_task_switch+0x664/0x900 [ 257.401307] ? skb_split+0x11e0/0x11e0 [ 257.405207] ? preempt_notifier_register+0x200/0x200 [ 257.410336] ? __switch_to_asm+0x34/0x70 [ 257.414411] ? __switch_to_asm+0x34/0x70 [ 257.418467] ? __switch_to_asm+0x40/0x70 [ 257.422526] ? __switch_to_asm+0x34/0x70 [ 257.426587] ? __switch_to_asm+0x40/0x70 [ 257.430644] ? __switch_to_asm+0x34/0x70 [ 257.434716] ? __switch_to_asm+0x40/0x70 [ 257.438773] ? __switch_to_asm+0x34/0x70 [ 257.442830] ? __switch_to_asm+0x34/0x70 [ 257.446899] ? __switch_to_asm+0x40/0x70 [ 257.450958] ? __switch_to_asm+0x34/0x70 [ 257.455043] bpf_clone_redirect+0xb9/0x490 [ 257.459277] ? __schedule+0x874/0x1ed0 [ 257.463182] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 257.468202] ? __sched_text_start+0x8/0x8 [ 257.472348] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.477119] ? find_held_lock+0x36/0x1c0 [ 257.481201] ? lock_acquire+0x1ed/0x520 [ 257.485193] ? bpf_test_run+0x32e/0x5a0 [ 257.489172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.494709] ? check_preemption_disabled+0x48/0x200 [ 257.499730] ? kasan_check_read+0x11/0x20 [ 257.503881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.509613] ? rcu_bh_qs+0xc0/0xc0 [ 257.513167] ? preempt_schedule+0x4d/0x60 [ 257.517315] ? ___preempt_schedule+0x16/0x18 [ 257.521733] ? bpf_test_run+0x1c0/0x5a0 [ 257.525718] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.530129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.535666] ? bpf_test_init.isra.9+0x70/0x100 [ 257.540262] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.545033] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.549875] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.555411] ? fput+0x130/0x1a0 [ 257.558691] ? __bpf_prog_get+0x9b/0x290 [ 257.562754] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.567595] ? bpf_prog_test_run+0x130/0x1a0 [ 257.572012] ? __x64_sys_bpf+0x3d8/0x510 [ 257.576079] ? bpf_prog_get+0x20/0x20 [ 257.579889] ? ksys_ioctl+0x81/0xd0 [ 257.583532] ? do_syscall_64+0x1b9/0x820 [ 257.587606] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.592980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.597910] ? trace_hardirqs_off+0x300/0x300 [ 257.602407] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.607419] ? recalc_sigpending_tsk+0x180/0x180 [ 257.612175] ? kasan_check_write+0x14/0x20 [ 257.616417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.621274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.626650] warn_alloc_show_mem: 1 callbacks suppressed [ 257.626662] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 257.626664] Mem-Info: [ 257.626696] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 257.626696] active_file:17 inactive_file:11 isolated_file:5 [ 257.626696] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.626696] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 257.626696] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 257.626696] free:13528 free_pcp:440 free_cma:0 [ 257.632041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.639234] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.641635] Call Trace: [ 257.674513] Node 0 [ 257.683876] [ 257.711641] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.714198] dump_stack+0x1c4/0x2b4 [ 257.716410] lowmem_reserve[]: [ 257.718561] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.744058] 0 2815 [ 257.747704] warn_alloc.cold.118+0xb7/0x1bd [ 257.750775] 6318 [ 257.755958] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.758171] 6318 [ 257.762487] ? lock_downgrade+0x900/0x900 [ 257.769402] ? trace_hardirqs_off+0xb8/0x300 [ 257.771439] Node 0 [ 257.775585] ? trace_hardirqs_off+0xb8/0x300 [ 257.779994] DMA32 free:24888kB min:30036kB low:37544kB high:45052kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 257.782238] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.786617] lowmem_reserve[]: 0 [ 257.813807] ? warn_alloc+0x120/0x120 [ 257.818594] 0 3503 [ 257.821884] ? warn_alloc+0x120/0x120 [ 257.825656] 3503 [ 257.827888] ? print_usage_bug+0xc0/0xc0 [ 257.833727] ? warn_alloc+0x120/0x120 [ 257.837765] Node 0 [ 257.841574] ? print_usage_bug+0xc0/0xc0 [ 257.841603] Normal free:13316kB min:37376kB low:46720kB high:56064kB active_anon:158956kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:1272kB local_pcp:640kB free_cma:0kB [ 257.841610] lowmem_reserve[]: [ 257.843854] ? __lock_acquire+0x7ec/0x4ec0 [ 257.847906] 0 [ 257.876349] ? __lock_acquire+0x7ec/0x4ec0 [ 257.879437] 0 [ 257.883667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.885451] 0 [ 257.889707] ? should_fail+0x22d/0xd01 [ 257.891484] 0 [ 257.897027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.902692] ? __lock_acquire+0x7ec/0x4ec0 [ 257.904480] Node 0 [ 257.909575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.913786] DMA: [ 257.916048] ? __lock_acquire+0x7ec/0x4ec0 [ 257.921127] 1*4kB [ 257.923183] ? should_fail+0x22d/0xd01 [ 257.927391] (U) 0*8kB [ 257.929558] ? mark_held_locks+0x130/0x130 [ 257.933417] 0*16kB [ 257.935911] ? mark_held_locks+0x130/0x130 [ 257.940119] 1*32kB [ 257.942349] ? graph_lock+0x170/0x170 [ 257.946552] (U) 2*64kB [ 257.948793] ? graph_lock+0x170/0x170 [ 257.952569] (U) [ 257.955147] ? graph_lock+0x170/0x170 [ 257.958923] 1*128kB (U) [ 257.960904] ? print_usage_bug+0xc0/0xc0 [ 257.964679] 1*256kB (U) [ 257.967356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.971395] 0*512kB [ 257.974059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.979572] 1*1024kB [ 257.981890] ? check_preemption_disabled+0x48/0x200 [ 257.987415] (U) [ 257.989820] ? check_preemption_disabled+0x48/0x200 [ 257.994811] 1*2048kB (M) [ 257.996800] ? __lock_is_held+0xb5/0x140 [ 258.001791] 3*4096kB [ 258.004552] __alloc_pages_nodemask+0xa80/0xde0 [ 258.008588] (M) [ 258.011005] ? graph_lock+0x170/0x170 [ 258.015652] = 15908kB [ 258.015661] Node 0 [ 258.017639] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.021415] DMA32: [ 258.023819] ? graph_lock+0x170/0x170 [ 258.026043] 4*4kB [ 258.031061] ? find_held_lock+0x36/0x1c0 [ 258.033269] (UM) [ 258.037082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.039205] 3*8kB [ 258.043266] ? lock_downgrade+0x900/0x900 [ 258.045306] (UM) [ 258.049971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.052095] 1*16kB [ 258.056241] cache_grow_begin+0x91/0x8c0 [ 258.058282] (M) [ 258.063816] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.066038] 2*32kB [ 258.070097] fallback_alloc+0x203/0x2e0 [ 258.072050] (UM) [ 258.076456] ____cache_alloc_node+0x1c7/0x1e0 [ 258.078697] 3*64kB [ 258.082670] kmem_cache_alloc_node+0xe3/0x730 [ 258.084707] (UM) [ 258.089209] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.091439] 4*128kB [ 258.095940] __alloc_skb+0x119/0x770 [ 258.097982] (UM) [ 258.102216] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.104517] 2*256kB [ 258.108229] ? skb_scrub_packet+0x490/0x490 [ 258.110281] (M) [ 258.115555] ? lock_downgrade+0x900/0x900 [ 258.117855] 4*512kB [ 258.122168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.124117] (UM) [ 258.128274] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.130573] 3*1024kB [ 258.136102] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.138163] (M) [ 258.143622] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.146009] 1*2048kB [ 258.151460] ndisc_alloc_skb+0x144/0x340 [ 258.153405] (M) [ 258.157814] ndisc_send_rs+0x331/0x6e0 [ 258.160200] 4*4096kB [ 258.164262] addrconf_rs_timer+0x3c0/0x6f0 [ 258.166215] (M) [ 258.170100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.172481] = 24888kB [ 258.172490] Node 0 [ 258.176734] call_timer_fn+0x272/0x920 [ 258.178674] Normal: [ 258.182900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.185293] 1035*4kB [ 258.187531] ? process_timeout+0x40/0x40 [ 258.191403] (MEH) [ 258.193721] ? find_held_lock+0x36/0x1c0 [ 258.197931] 457*8kB [ 258.200344] ? __run_timers+0x7da/0xc70 [ 258.204378] (UMEH) [ 258.206535] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.210569] 163*16kB (MEH) [ 258.212900] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.216846] 58*32kB (UMEH) [ 258.219086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.223556] 13*64kB [ 258.226485] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.230956] (UMH) [ 258.233887] ? trace_hardirqs_on+0xbd/0x310 [ 258.238096] 2*128kB [ 258.240412] ? kasan_check_read+0x11/0x20 [ 258.244971] (H) [ 258.247115] ? __run_timers+0x7da/0xc70 [ 258.251410] 0*256kB [ 258.253727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.257850] 0*512kB [ 258.259837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.263802] 0*1024kB [ 258.266120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.271549] 0*2048kB [ 258.273867] __run_timers+0x7e5/0xc70 [ 258.278069] 0*4096kB = 13348kB [ 258.280493] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.284701] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.287102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.290885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.294068] ? graph_lock+0x170/0x170 [ 258.299408] 412 total pagecache pages [ 258.308238] ? enqueue_hrtimer+0x1a5/0x560 [ 258.313264] 0 pages in swap cache [ 258.321822] ? lock_release+0x970/0x970 [ 258.325603] Swap cache stats: add 0, delete 0, find 0/0 [ 258.329396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.333617] Free swap = 0kB [ 258.337076] ? find_held_lock+0x36/0x1c0 [ 258.341018] Total swap = 0kB [ 258.341032] 1965979 pages RAM [ 258.346389] ? graph_lock+0x170/0x170 [ 258.351564] 0 pages HighMem/MovableOnly [ 258.351586] 343323 pages reserved [ 258.354611] ? pvclock_read_flags+0x160/0x160 [ 258.358667] 0 pages cma reserved [ 258.361681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.364824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.368556] ? check_preemption_disabled+0x48/0x200 [ 258.368581] ? __lock_is_held+0xb5/0x140 [ 258.368610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.372620] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.376020] ? check_preemption_disabled+0x48/0x200 [ 258.380500] syz-executor3 cpuset= [ 258.383872] run_timer_softirq+0x52/0xb0 [ 258.389378] syz3 [ 258.395878] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.401165] mems_allowed=0 [ 258.443957] __do_softirq+0x30b/0xad8 [ 258.447771] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.452878] ? pvclock_read_flags+0x160/0x160 [ 258.457373] ? lapic_next_event+0x5a/0x90 [ 258.461530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.467065] ? check_preemption_disabled+0x48/0x200 [ 258.472079] ? check_preemption_disabled+0x48/0x200 [ 258.477099] ? kvm_clock_read+0x18/0x30 [ 258.481083] ? kvm_sched_clock_read+0x9/0x20 [ 258.485491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.491064] ? check_preemption_disabled+0x48/0x200 [ 258.496094] irq_exit+0x17f/0x1c0 [ 258.499556] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.504399] ? smp_reschedule_interrupt+0x109/0x650 [ 258.509422] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.515315] ? interrupt_entry+0xb5/0xf0 [ 258.519383] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.524399] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.529416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.534268] ? trace_hardirqs_off+0x300/0x300 [ 258.538760] ? trace_hardirqs_off+0x300/0x300 [ 258.543265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.548806] ? check_preemption_disabled+0x48/0x200 [ 258.553821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.559367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.564219] apic_timer_interrupt+0xf/0x20 [ 258.568461] [ 258.570700] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.575632] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 258.594536] RSP: 0000:ffff8801a202f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 258.602254] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.609528] RDX: 0000000000000000 RSI: ffff8801a20229c0 RDI: 0000000000000282 [ 258.616797] RBP: ffff8801a202f7b0 R08: ffff8801a2022140 R09: 0000000000000000 [ 258.624063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 258.631328] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 258.638640] skb_clone+0x1bb/0x500 [ 258.642204] ? finish_task_switch+0x1b5/0x900 [ 258.646700] ? skb_split+0x11e0/0x11e0 [ 258.650588] ? preempt_notifier_register+0x200/0x200 [ 258.655688] ? __switch_to_asm+0x34/0x70 [ 258.659751] ? __switch_to_asm+0x34/0x70 [ 258.663807] ? __switch_to_asm+0x40/0x70 [ 258.667868] ? __switch_to_asm+0x34/0x70 [ 258.671928] ? __switch_to_asm+0x40/0x70 [ 258.675997] ? __switch_to_asm+0x34/0x70 [ 258.680055] ? __switch_to_asm+0x40/0x70 [ 258.684128] ? __switch_to_asm+0x34/0x70 [ 258.688193] ? __switch_to_asm+0x34/0x70 [ 258.692266] ? __switch_to_asm+0x40/0x70 [ 258.696335] ? __switch_to_asm+0x34/0x70 [ 258.700403] bpf_clone_redirect+0xb9/0x490 [ 258.704639] ? __schedule+0x874/0x1ed0 [ 258.708538] bpf_prog_3aea14b1f6cd0d8b+0x867/0x1000 [ 258.713560] ? __sched_text_start+0x8/0x8 [ 258.717717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.722496] ? find_held_lock+0x36/0x1c0 [ 258.726577] ? lock_acquire+0x1ed/0x520 [ 258.730564] ? bpf_test_run+0x32e/0x5a0 [ 258.734542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.740081] ? check_preemption_disabled+0x48/0x200 [ 258.745100] ? kasan_check_read+0x11/0x20 [ 258.749262] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.754547] ? rcu_bh_qs+0xc0/0xc0 [ 258.758090] ? preempt_schedule+0x4d/0x60 [ 258.762257] ? ___preempt_schedule+0x16/0x18 [ 258.766696] ? bpf_test_run+0x1c0/0x5a0 [ 258.770684] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.775108] ? bpf_prog_test_run_skb+0x295/0xb40 [ 258.779870] ? bpf_prog_test_run_skb+0x634/0xb40 [ 258.784632] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.789472] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.795009] ? fput+0x130/0x1a0 [ 258.798315] ? __bpf_prog_get+0x9b/0x290 [ 258.802394] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.807237] ? bpf_prog_test_run+0x130/0x1a0 [ 258.811657] ? __x64_sys_bpf+0x3d8/0x510 [ 258.815719] ? bpf_prog_get+0x20/0x20 [ 258.819547] ? do_syscall_64+0x1b9/0x820 [ 258.823615] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.828980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.833908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.838753] ? trace_hardirqs_off+0x300/0x300 [ 258.843269] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.848291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.853831] ? prepare_exit_to_usermode+0x291/0x3b0 [ 258.858856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.863714] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.869095] CPU: 1 PID: 7516 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 258.869164] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.876291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.876300] Call Trace: [ 258.882899] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.892135] [ 258.894705] syz-executor3 cpuset= [ 258.905182] dump_stack+0x1c4/0x2b4 [ 258.907313] syz3 [ 258.910762] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.914371] mems_allowed=0 [ 258.916362] warn_alloc.cold.118+0xb7/0x1bd [ 258.928754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.933600] ? lock_downgrade+0x900/0x900 [ 258.937756] ? trace_hardirqs_off+0xb8/0x300 [ 258.942175] ? trace_hardirqs_off+0xb8/0x300 [ 258.946605] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.951482] ? warn_alloc+0x120/0x120 [ 258.955287] ? warn_alloc+0x120/0x120 [ 258.959093] ? print_usage_bug+0xc0/0xc0 [ 258.963156] ? warn_alloc+0x120/0x120 [ 258.966955] ? print_usage_bug+0xc0/0xc0 [ 258.971018] ? __lock_acquire+0x7ec/0x4ec0 [ 258.975265] ? __lock_acquire+0x7ec/0x4ec0 [ 258.979502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.985045] ? should_fail+0x22d/0xd01 [ 258.988936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.994051] ? __lock_acquire+0x7ec/0x4ec0 [ 258.998290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.003392] ? __lock_acquire+0x7ec/0x4ec0 [ 259.007623] ? should_fail+0x22d/0xd01 [ 259.011522] ? mark_held_locks+0x130/0x130 [ 259.015765] ? mark_held_locks+0x130/0x130 [ 259.020000] ? graph_lock+0x170/0x170 [ 259.023808] ? graph_lock+0x170/0x170 [ 259.027609] ? graph_lock+0x170/0x170 [ 259.031420] ? print_usage_bug+0xc0/0xc0 [ 259.035482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.041016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.046559] ? check_preemption_disabled+0x48/0x200 [ 259.051577] ? check_preemption_disabled+0x48/0x200 [ 259.056604] ? __lock_is_held+0xb5/0x140 [ 259.060678] __alloc_pages_nodemask+0xa80/0xde0 [ 259.065349] ? graph_lock+0x170/0x170 [ 259.069153] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.074163] ? graph_lock+0x170/0x170 [ 259.077977] ? find_held_lock+0x36/0x1c0 [ 259.082074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.086745] ? lock_downgrade+0x900/0x900 [ 259.090899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.096439] cache_grow_begin+0x91/0x8c0 [ 259.100501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.104928] fallback_alloc+0x203/0x2e0 [ 259.108908] ____cache_alloc_node+0x1c7/0x1e0 [ 259.113406] kmem_cache_alloc_node+0xe3/0x730 [ 259.117905] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.122150] __alloc_skb+0x119/0x770 [ 259.125864] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.131145] ? skb_scrub_packet+0x490/0x490 [ 259.135475] ? lock_downgrade+0x900/0x900 [ 259.139629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.145170] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.150626] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.156078] ? addrconf_rs_timer+0x6f0/0x6f0 [ 259.160515] ndisc_alloc_skb+0x144/0x340 [ 259.164582] ndisc_send_rs+0x331/0x6e0 [ 259.168480] addrconf_rs_timer+0x3c0/0x6f0 [ 259.172723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.176986] call_timer_fn+0x272/0x920 [ 259.180888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.185123] ? process_timeout+0x40/0x40 [ 259.189181] ? find_held_lock+0x36/0x1c0 [ 259.193276] ? __run_timers+0x7da/0xc70 [ 259.197261] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.201756] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.206255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.210490] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.215076] ? trace_hardirqs_on+0xbd/0x310 [ 259.219740] ? kasan_check_read+0x11/0x20 [ 259.223891] ? __run_timers+0x7da/0xc70 [ 259.227867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.233339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.237572] __run_timers+0x7e5/0xc70 [ 259.241387] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.246755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.251773] ? graph_lock+0x170/0x170 [ 259.255575] ? enqueue_hrtimer+0x1a5/0x560 [ 259.259807] ? lock_release+0x970/0x970 [ 259.263794] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.268990] ? find_held_lock+0x36/0x1c0 [ 259.273062] ? graph_lock+0x170/0x170 [ 259.276860] ? pvclock_read_flags+0x160/0x160 [ 259.281353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.286886] ? check_preemption_disabled+0x48/0x200 [ 259.291937] ? __lock_is_held+0xb5/0x140 [ 259.295999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.301541] ? check_preemption_disabled+0x48/0x200 [ 259.306565] run_timer_softirq+0x52/0xb0 [ 259.310631] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.315650] __do_softirq+0x30b/0xad8 [ 259.319460] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.324567] ? pvclock_read_flags+0x160/0x160 [ 259.329062] ? lapic_next_event+0x5a/0x90 [ 259.333210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.338753] ? check_preemption_disabled+0x48/0x200 [ 259.343769] ? check_preemption_disabled+0x48/0x200 [ 259.348789] ? kvm_clock_read+0x18/0x30 [ 259.352762] ? kvm_sched_clock_read+0x9/0x20 [ 259.357174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.362710] ? check_preemption_disabled+0x48/0x200 [ 259.367752] irq_exit+0x17f/0x1c0 [ 259.371229] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.376091] ? smp_reschedule_interrupt+0x109/0x650 [ 259.381107] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.386990] ? interrupt_entry+0xb5/0xf0 [ 259.391059] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.396069] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.401100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.405949] ? trace_hardirqs_off+0x300/0x300 [ 259.410440] ? trace_hardirqs_off+0x300/0x300 [ 259.414947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.420484] ? check_preemption_disabled+0x48/0x200 [ 259.425499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.431047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.435924] apic_timer_interrupt+0xf/0x20 [ 259.440153] [ 259.442408] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 259.447339] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 259.466235] RSP: 0000:ffff88019ea47748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 259.473976] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 259.481291] RDX: 0000000000000000 RSI: ffff88019ea9aa80 RDI: 0000000000000282 [ 259.488554] RBP: ffff88019ea477b0 R08: ffff88019ea9a200 R09: 0000000000000000 [ 259.495822] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 259.503090] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 259.510855] skb_clone+0x1bb/0x500 [ 259.514401] ? finish_task_switch+0x664/0x900 [ 259.518893] ? skb_split+0x11e0/0x11e0 [ 259.522779] ? preempt_notifier_register+0x200/0x200 [ 259.527880] ? __switch_to_asm+0x34/0x70 [ 259.531950] ? __switch_to_asm+0x34/0x70 [ 259.536061] ? __switch_to_asm+0x40/0x70 [ 259.540121] ? __switch_to_asm+0x34/0x70 [ 259.544189] ? __switch_to_asm+0x40/0x70 [ 259.548255] ? __switch_to_asm+0x34/0x70 [ 259.552323] ? __switch_to_asm+0x40/0x70 [ 259.556385] ? __switch_to_asm+0x34/0x70 [ 259.560442] ? __switch_to_asm+0x34/0x70 [ 259.564499] ? __switch_to_asm+0x40/0x70 [ 259.568597] ? __switch_to_asm+0x34/0x70 [ 259.572665] bpf_clone_redirect+0xb9/0x490 [ 259.576900] ? __schedule+0x874/0x1ed0 [ 259.580790] bpf_prog_3aea14b1f6cd0d8b+0x93d/0x1000 [ 259.585809] ? __sched_text_start+0x8/0x8 [ 259.589951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.594741] ? find_held_lock+0x36/0x1c0 [ 259.598809] ? lock_acquire+0x1ed/0x520 [ 259.602784] ? bpf_test_run+0x32e/0x5a0 [ 259.606771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.612308] ? check_preemption_disabled+0x48/0x200 [ 259.617328] ? kasan_check_read+0x11/0x20 [ 259.621486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.626780] ? rcu_bh_qs+0xc0/0xc0 [ 259.630317] ? preempt_schedule+0x4d/0x60 [ 259.634466] ? ___preempt_schedule+0x16/0x18 [ 259.638884] ? bpf_test_run+0x1c0/0x5a0 [ 259.642868] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.647282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.652838] ? bpf_test_init.isra.9+0x70/0x100 [ 259.657423] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.662185] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.667035] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.672571] ? fput+0x130/0x1a0 [ 259.675849] ? __bpf_prog_get+0x9b/0x290 [ 259.679924] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.684775] ? bpf_prog_test_run+0x130/0x1a0 [ 259.689185] ? __x64_sys_bpf+0x3d8/0x510 [ 259.693255] ? bpf_prog_get+0x20/0x20 [ 259.697067] ? ksys_ioctl+0x81/0xd0 [ 259.700708] ? do_syscall_64+0x1b9/0x820 [ 259.704770] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.710135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.715081] ? trace_hardirqs_off+0x300/0x300 [ 259.719600] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.724616] ? recalc_sigpending_tsk+0x180/0x180 [ 259.729372] ? kasan_check_write+0x14/0x20 [ 259.733615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.738466] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.743846] CPU: 0 PID: 7457 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #94 [ 259.743852] warn_alloc_show_mem: 1 callbacks suppressed [ 259.743859] Mem-Info: [ 259.751052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.756422] active_anon:40763 inactive_anon:371 isolated_anon:0 [ 259.756422] active_file:17 inactive_file:11 isolated_file:5 [ 259.756422] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.756422] slab_reclaimable:8670 slab_unreclaimable:1483698 [ 259.756422] mapped:41155 shmem:379 pagetables:629 bounce:0 [ 259.756422] free:13528 free_pcp:440 free_cma:0 [ 259.758794] Call Trace: [ 259.768179] Node 0 active_anon:163052kB inactive_anon:1484kB active_file:68kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.801020]