16/0x20 [ 347.182837] ? kvm_clock_read+0x18/0x30 [ 347.186828] ? kvm_sched_clock_read+0x9/0x20 [ 347.191247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.196786] ? check_preemption_disabled+0x48/0x280 [ 347.201807] irq_exit+0x17f/0x1c0 [ 347.205260] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.210095] ? smp_reschedule_interrupt+0x109/0x650 [ 347.215106] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.220989] ? interrupt_entry+0xb5/0xc0 [ 347.225046] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.230058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.235074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.239914] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.244924] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.249937] ? task_prio+0x50/0x50 [ 347.253478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.259024] ? check_preemption_disabled+0x48/0x280 [ 347.264045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.268890] apic_timer_interrupt+0xf/0x20 [ 347.273117] [ 347.275354] RIP: 0010:dump_stack+0x358/0x39d [ 347.279757] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 347.298653] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 347.306358] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 347.313620] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 347.320881] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 347.328149] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 347.335425] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 347.342717] ? dump_stack+0x34f/0x39d [ 347.346529] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.351720] ? mark_held_locks+0x130/0x130 [ 347.355952] ? mark_held_locks+0x130/0x130 [ 347.360184] dump_header+0x27b/0xf72 [ 347.363903] ? pagefault_out_of_memory+0x197/0x197 [ 347.368835] ? __lock_acquire+0x62f/0x4c20 [ 347.373065] ? percpu_ref_get_many+0x240/0x240 [ 347.377645] ? print_usage_bug+0xc0/0xc0 [ 347.381706] ? zap_class+0x640/0x640 [ 347.385417] ? print_usage_bug+0xc0/0xc0 [ 347.389482] ? print_usage_bug+0xc0/0xc0 [ 347.393542] ? zap_class+0x640/0x640 [ 347.397254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.402790] ? find_held_lock+0x36/0x1c0 [ 347.406854] ? mark_held_locks+0xc7/0x130 [ 347.411003] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.416101] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.421198] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.425776] ? trace_hardirqs_on+0xbd/0x310 [ 347.430092] ? kasan_check_read+0x11/0x20 [ 347.434323] ? ___ratelimit+0x3b4/0x672 [ 347.438326] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.443516] ? trace_hardirqs_on+0x310/0x310 [ 347.447924] ? lock_downgrade+0x900/0x900 [ 347.452077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.457271] ? ___ratelimit+0x3b9/0x672 [ 347.461242] ? idr_get_free+0xf70/0xf70 [ 347.465210] ? find_held_lock+0x36/0x1c0 [ 347.469277] oom_kill_process.cold.27+0x10/0x903 [ 347.474030] ? zap_class+0x640/0x640 [ 347.477738] ? check_preemption_disabled+0x48/0x280 [ 347.482753] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.487681] ? kasan_check_read+0x11/0x20 [ 347.491827] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.497112] ? oom_evaluate_task+0x540/0x540 [ 347.501518] ? find_held_lock+0x36/0x1c0 [ 347.505585] ? out_of_memory+0x974/0x1430 [ 347.509727] ? lock_downgrade+0x900/0x900 [ 347.513869] ? check_preemption_disabled+0x48/0x280 [ 347.518881] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.523820] ? kasan_check_read+0x11/0x20 [ 347.527962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.533231] ? rcu_softirq_qs+0x20/0x20 [ 347.537209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.542743] ? oom_evaluate_task+0x302/0x540 [ 347.547236] out_of_memory+0xa84/0x1430 [ 347.551214] ? oom_killer_disable+0x3a0/0x3a0 [ 347.555716] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 347.560644] ? __ww_mutex_check_waiters+0x160/0x160 [ 347.565670] __alloc_pages_slowpath+0x2354/0x2e10 [ 347.570536] ? warn_alloc+0x120/0x120 [ 347.574336] ? mark_held_locks+0x130/0x130 [ 347.578665] ? find_get_entry+0xaae/0x1120 [ 347.582906] ? filemap_map_pages+0x1a20/0x1a20 [ 347.587496] ? zap_class+0x640/0x640 [ 347.591214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.596745] ? check_preemption_disabled+0x48/0x280 [ 347.601763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.607297] ? should_fail+0x22d/0xd01 [ 347.611185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.616286] ? zap_class+0x640/0x640 [ 347.620031] ? __lock_is_held+0xb5/0x140 [ 347.624098] ? mark_held_locks+0x130/0x130 [ 347.628330] ? lock_release+0xa00/0xa00 [ 347.632304] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.637750] ? xa_load+0x2ba/0x460 [ 347.641290] ? lock_downgrade+0x900/0x900 [ 347.645448] ? __might_sleep+0x95/0x190 [ 347.649437] __alloc_pages_nodemask+0xa80/0xde0 [ 347.654120] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 347.659135] ? __page_cache_alloc+0x191/0x5c0 [ 347.663622] ? xa_load+0x2e1/0x460 [ 347.667161] ? xa_clear_mark+0x40/0x40 [ 347.671046] ? zap_class+0x640/0x640 [ 347.674762] ? zap_class+0x640/0x640 [ 347.678476] ? zap_class+0x640/0x640 [ 347.682188] ? __do_page_cache_readahead+0x663/0x810 [ 347.687291] ? find_held_lock+0x36/0x1c0 [ 347.691355] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.696904] alloc_pages_current+0x173/0x350 [ 347.701325] __page_cache_alloc+0x38c/0x5c0 [ 347.705640] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.710571] ? kasan_check_read+0x11/0x20 [ 347.714716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.719993] ? generic_perform_write+0x6a0/0x6a0 [ 347.724746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.730729] ? check_preemption_disabled+0x48/0x280 [ 347.735747] filemap_fault+0x1595/0x25f0 [ 347.739812] ? __lock_page_or_retry+0xa00/0xa00 [ 347.744568] ? mark_held_locks+0x130/0x130 [ 347.748809] ? filemap_map_pages+0xd6b/0x1a20 [ 347.753302] ? lock_downgrade+0x900/0x900 [ 347.757452] ? check_preemption_disabled+0x48/0x280 [ 347.762474] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.767399] ? kasan_check_read+0x11/0x20 [ 347.771546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.776816] ? rcu_softirq_qs+0x20/0x20 [ 347.780794] ? filemap_map_pages+0xd92/0x1a20 [ 347.785296] ? find_get_entries_tag+0x1400/0x1400 [ 347.790137] ? debug_object_destroy+0x2b0/0x2b0 [ 347.794802] ? lock_pi_update_atomic+0x150/0x150 [ 347.799552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.805287] ? lock_acquire+0x1ed/0x520 [ 347.809266] ? ext4_filemap_fault+0x7a/0xad [ 347.813588] ? lock_release+0xa00/0xa00 [ 347.817564] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.823010] ? print_usage_bug+0xc0/0xc0 [ 347.827071] ? print_usage_bug+0xc0/0xc0 [ 347.831139] ? down_read+0x8d/0x120 [ 347.834765] ? ext4_filemap_fault+0x7a/0xad [ 347.839083] ? __down_interruptible+0x700/0x700 [ 347.843757] ext4_filemap_fault+0x82/0xad [ 347.847901] __do_fault+0x100/0x6b0 [ 347.851537] ? pmd_devmap_trans_unstable+0x220/0x220 [ 347.856640] ? mark_held_locks+0x130/0x130 [ 347.860869] ? mark_held_locks+0x130/0x130 [ 347.865101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.870635] ? check_preemption_disabled+0x48/0x280 [ 347.875650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.881190] __handle_mm_fault+0x3ea0/0x5be0 [ 347.885603] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 347.890446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.896522] ? __fpu__restore_sig+0x62f/0x1680 [ 347.901123] ? zap_class+0x640/0x640 [ 347.904830] ? zap_class+0x640/0x640 [ 347.908540] ? __x64_sys_futex+0x53e/0x6a0 [ 347.912776] ? find_held_lock+0x36/0x1c0 [ 347.916839] ? handle_mm_fault+0x42a/0xc70 [ 347.921068] ? lock_downgrade+0x900/0x900 [ 347.925215] ? check_preemption_disabled+0x48/0x280 [ 347.930243] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.935166] ? kasan_check_read+0x11/0x20 [ 347.939308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.944579] ? rcu_softirq_qs+0x20/0x20 [ 347.948550] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.953651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.959199] ? check_preemption_disabled+0x48/0x280 [ 347.964221] handle_mm_fault+0x54f/0xc70 [ 347.968281] ? __handle_mm_fault+0x5be0/0x5be0 [ 347.972865] ? find_vma+0x34/0x190 [ 347.976412] __do_page_fault+0x5e8/0xe60 [ 347.980472] ? trace_hardirqs_off+0xb8/0x310 [ 347.985052] ? exit_to_usermode_loop+0x1f4/0x380 [ 347.989809] do_page_fault+0xf2/0x7e0 [ 347.993605] ? vmalloc_sync_all+0x30/0x30 [ 347.997753] ? error_entry+0x70/0xd0 [ 348.001463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.006484] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.011413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.016345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.021181] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.026196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.031645] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.036656] ? page_fault+0x8/0x30 [ 348.040198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.045038] ? page_fault+0x8/0x30 [ 348.048575] page_fault+0x1e/0x30 [ 348.052025] RIP: 0033:0x45ddf3 [ 348.055229] Code: Bad RIP value. [ 348.058590] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 348.063950] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 348.071214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 348.078474] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 348.085736] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 348.093001] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 348.100295] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 348.100299] warn_alloc_show_mem: 1 callbacks suppressed [ 348.100306] Mem-Info: [ 348.107656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.113020] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 348.113020] active_file:14 inactive_file:13 isolated_file:0 [ 348.113020] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.113020] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 348.113020] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 348.113020] free:13747 free_pcp:512 free_cma:0 [ 348.115398] Call Trace: [ 348.124774] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.157617] [ 348.160191] 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 [ 348.187685] dump_stack+0x244/0x39d [ 348.189807] lowmem_reserve[]: 0 2818 6321 6321 [ 348.215915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.219504] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 348.224093] warn_alloc.cold.116+0xb7/0x1bd [ 348.229243] lowmem_reserve[]: 0 0 3503 3503 [ 348.256557] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.260847] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 348.265159] ? lock_downgrade+0x900/0x900 [ 348.269967] lowmem_reserve[]: 0 0 0 0 [ 348.299029] ? trace_hardirqs_off+0xb8/0x310 [ 348.303148] 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 [ 348.306940] ? trace_hardirqs_off+0xb8/0x310 [ 348.311316] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 348.324838] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.329302] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 348.344586] ? warn_alloc+0x120/0x120 [ 348.349400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.363774] ? print_usage_bug+0xc0/0xc0 [ 348.367551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.376377] ? warn_alloc+0x120/0x120 [ 348.380415] 165 total pagecache pages [ 348.388989] ? warn_alloc+0x120/0x120 [ 348.392769] 0 pages in swap cache [ 348.396555] ? print_usage_bug+0xc0/0xc0 [ 348.400328] Swap cache stats: add 0, delete 0, find 0/0 [ 348.400336] Free swap = 0kB [ 348.403792] ? print_usage_bug+0xc0/0xc0 [ 348.407843] Total swap = 0kB [ 348.413200] ? __lock_acquire+0x62f/0x4c20 [ 348.416370] 1965979 pages RAM [ 348.420430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.423428] 0 pages HighMem/MovableOnly [ 348.427649] ? should_fail+0x22d/0xd01 [ 348.430725] 342855 pages reserved [ 348.436341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.440290] 0 pages cma reserved [ 348.440362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.444174] ? __lock_acquire+0x62f/0x4c20 [ 348.444191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.444206] ? __lock_acquire+0x62f/0x4c20 [ 348.447690] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.452727] ? should_fail+0x22d/0xd01 [ 348.452742] ? find_held_lock+0x36/0x1c0 [ 348.456082] syz-fuzzer cpuset=/ mems_allowed=0 [ 348.462567] ? mark_held_locks+0x130/0x130 [ 348.503012] ? mark_held_locks+0x130/0x130 [ 348.507240] ? zap_class+0x640/0x640 [ 348.510948] ? zap_class+0x640/0x640 [ 348.514665] ? print_usage_bug+0xc0/0xc0 [ 348.518724] ? do_raw_spin_unlock+0xa7/0x330 [ 348.523128] ? zap_class+0x640/0x640 [ 348.526843] ? print_usage_bug+0xc0/0xc0 [ 348.530907] ? wq_watchdog_touch+0x9c/0xfe [ 348.535152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.540701] ? check_preemption_disabled+0x48/0x280 [ 348.545721] ? __lock_is_held+0xb5/0x140 [ 348.549786] __alloc_pages_nodemask+0xa80/0xde0 [ 348.554449] ? zap_class+0x640/0x640 [ 348.558165] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 348.563185] ? find_held_lock+0x36/0x1c0 [ 348.567249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.571918] ? lock_downgrade+0x900/0x900 [ 348.576070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.581604] cache_grow_begin+0xa5/0x8c0 [ 348.585684] ? do_raw_spin_unlock+0xa7/0x330 [ 348.590101] fallback_alloc+0x204/0x2e0 [ 348.594250] ____cache_alloc_node+0x1c7/0x1e0 [ 348.598745] kmem_cache_alloc_node+0xe3/0x730 [ 348.603235] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.607479] __alloc_skb+0x119/0x770 [ 348.611194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.616472] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.620882] ? lock_downgrade+0x900/0x900 [ 348.625045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.630576] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.636037] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.641482] ? addrconf_rs_timer+0x690/0x690 [ 348.646071] ndisc_alloc_skb+0x144/0x340 [ 348.650134] ndisc_send_rs+0x331/0x6e0 [ 348.654033] addrconf_rs_timer+0x314/0x690 [ 348.658273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.662512] call_timer_fn+0x272/0x920 [ 348.666400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.670632] ? process_timeout+0x40/0x40 [ 348.674696] ? __run_timers+0x7da/0xc70 [ 348.678667] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.683160] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.687652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.691891] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.696469] ? trace_hardirqs_on+0xbd/0x310 [ 348.700790] ? kasan_check_read+0x11/0x20 [ 348.704930] ? __run_timers+0x7da/0xc70 [ 348.708907] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.714097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.718507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.722735] __run_timers+0x7e5/0xc70 [ 348.726544] ? timer_fixup_init+0x70/0x70 [ 348.731253] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.736270] ? zap_class+0x640/0x640 [ 348.739980] ? enqueue_hrtimer+0x1a5/0x560 [ 348.744216] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 348.749404] ? find_held_lock+0x36/0x1c0 [ 348.753467] ? zap_class+0x640/0x640 [ 348.757183] ? pvclock_read_flags+0x160/0x160 [ 348.761676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.767212] ? check_preemption_disabled+0x48/0x280 [ 348.772232] ? __lock_is_held+0xb5/0x140 [ 348.776364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.781900] ? check_preemption_disabled+0x48/0x280 [ 348.786918] run_timer_softirq+0x52/0xb0 [ 348.790975] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.795988] __do_softirq+0x308/0xb7e [ 348.800055] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 348.804544] ? lock_downgrade+0x900/0x900 [ 348.808691] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.813797] ? pvclock_read_flags+0x160/0x160 [ 348.818290] ? lapic_next_event+0x5a/0x90 [ 348.822444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.827987] ? kvm_clock_read+0x18/0x30 [ 348.831979] ? kvm_sched_clock_read+0x9/0x20 [ 348.836389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.841921] ? check_preemption_disabled+0x48/0x280 [ 348.846945] irq_exit+0x17f/0x1c0 [ 348.850396] smp_apic_timer_interrupt+0x1cb/0x760 [ 348.855242] ? smp_reschedule_interrupt+0x109/0x650 [ 348.860258] ? smp_call_function_single_interrupt+0x650/0x650 [ 348.866139] ? interrupt_entry+0xb5/0xc0 [ 348.870545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.875908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.880922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.885764] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.890777] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.895797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.900650] apic_timer_interrupt+0xf/0x20 [ 348.904873] [ 348.907111] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 348.912034] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 348.930930] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 348.938629] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 348.945890] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 348.953155] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 348.960503] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 348.967766] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 348.975068] skb_clone+0x1bb/0x500 [ 348.978602] ? finish_task_switch+0x2f4/0x910 [ 348.983096] ? skb_split+0x11e0/0x11e0 [ 348.986982] ? preempt_notifier_register+0x200/0x200 [ 348.992086] ? __switch_to_asm+0x34/0x70 [ 348.996147] ? __switch_to_asm+0x34/0x70 [ 349.000202] ? __switch_to_asm+0x40/0x70 [ 349.004269] ? __switch_to_asm+0x34/0x70 [ 349.008334] ? __switch_to_asm+0x40/0x70 [ 349.012391] ? __switch_to_asm+0x34/0x70 [ 349.016445] ? __switch_to_asm+0x40/0x70 [ 349.020504] ? __switch_to_asm+0x34/0x70 [ 349.024563] ? __switch_to_asm+0x34/0x70 [ 349.028617] ? __switch_to_asm+0x40/0x70 [ 349.032672] ? __switch_to_asm+0x34/0x70 [ 349.036736] bpf_clone_redirect+0xb9/0x490 [ 349.040967] ? __schedule+0x8d7/0x21d0 [ 349.044857] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 349.049872] ? __sched_text_start+0x8/0x8 [ 349.054016] ? retint_kernel+0x2d/0x2d [ 349.057902] ? trace_hardirqs_on_caller+0xc0/0x310 [ 349.062838] ? find_held_lock+0x36/0x1c0 [ 349.066902] ? lock_acquire+0x1ed/0x520 [ 349.070869] ? bpf_test_run+0x3cb/0x780 [ 349.074843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.080379] ? check_preemption_disabled+0x48/0x280 [ 349.085395] ? kasan_check_read+0x11/0x20 [ 349.089537] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.094807] ? rcu_softirq_qs+0x20/0x20 [ 349.098781] ? preempt_schedule+0x4d/0x60 [ 349.102927] ? ___preempt_schedule+0x16/0x18 [ 349.107337] ? bpf_test_run+0x25d/0x780 [ 349.111338] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.115758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.121289] ? bpf_test_init.isra.10+0x70/0x100 [ 349.125963] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 349.130722] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.135559] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.141093] ? fput+0x130/0x1a0 [ 349.144367] ? __bpf_prog_get+0x9b/0x290 [ 349.148426] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.153265] ? bpf_prog_test_run+0x130/0x1a0 [ 349.157679] ? __x64_sys_bpf+0x3d8/0x520 [ 349.161734] ? bpf_prog_get+0x20/0x20 [ 349.165547] ? do_syscall_64+0x1b9/0x820 [ 349.169607] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 349.174965] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.179895] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.184909] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 349.189933] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 349.196602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.201449] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.206831] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 349.206897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.213844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.213848] Call Trace: [ 349.213854] [ 349.213871] dump_stack+0x244/0x39d [ 349.213889] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.220931] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.229732] warn_alloc.cold.116+0xb7/0x1bd [ 349.232288] syz-executor4 cpuset=syz4 mems_allowed=0 [ 349.234432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.267919] ? lock_downgrade+0x900/0x900 [ 349.272071] ? trace_hardirqs_off+0xb8/0x310 [ 349.276478] ? trace_hardirqs_off+0xb8/0x310 [ 349.280890] __alloc_pages_slowpath+0x26e8/0x2e10 [ 349.285759] ? warn_alloc+0x120/0x120 [ 349.289557] ? print_usage_bug+0xc0/0xc0 [ 349.293616] ? warn_alloc+0x120/0x120 [ 349.297415] ? warn_alloc+0x120/0x120 [ 349.301213] ? print_usage_bug+0xc0/0xc0 [ 349.305272] ? print_usage_bug+0xc0/0xc0 [ 349.309340] ? __lock_acquire+0x62f/0x4c20 [ 349.313579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.319291] ? should_fail+0x22d/0xd01 [ 349.323186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.328292] ? __lock_acquire+0x62f/0x4c20 [ 349.332528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.337623] ? __lock_acquire+0x62f/0x4c20 [ 349.341854] ? should_fail+0x22d/0xd01 [ 349.345740] ? find_held_lock+0x36/0x1c0 [ 349.349802] ? mark_held_locks+0x130/0x130 [ 349.354035] ? mark_held_locks+0x130/0x130 [ 349.358261] ? zap_class+0x640/0x640 [ 349.361984] ? zap_class+0x640/0x640 [ 349.365694] ? print_usage_bug+0xc0/0xc0 [ 349.369749] ? do_raw_spin_unlock+0xa7/0x330 [ 349.374153] ? zap_class+0x640/0x640 [ 349.377861] ? print_usage_bug+0xc0/0xc0 [ 349.381917] ? wq_watchdog_touch+0x9c/0xfe [ 349.386148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.391680] ? check_preemption_disabled+0x48/0x280 [ 349.396709] ? __lock_is_held+0xb5/0x140 [ 349.400771] __alloc_pages_nodemask+0xa80/0xde0 [ 349.405433] ? zap_class+0x640/0x640 [ 349.409150] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.414169] ? find_held_lock+0x36/0x1c0 [ 349.418238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.422910] ? lock_downgrade+0x900/0x900 [ 349.427058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.432592] cache_grow_begin+0xa5/0x8c0 [ 349.436646] ? do_raw_spin_unlock+0xa7/0x330 [ 349.441055] fallback_alloc+0x204/0x2e0 [ 349.445032] ____cache_alloc_node+0x1c7/0x1e0 [ 349.449526] kmem_cache_alloc_node+0xe3/0x730 [ 349.454020] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.458268] __alloc_skb+0x119/0x770 [ 349.461980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.467266] ? netdev_alloc_frag+0x1f0/0x1f0 [ 349.471675] ? lock_downgrade+0x900/0x900 [ 349.475826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.481365] ? refcount_sub_and_test_checked+0x203/0x310 [ 349.486812] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 349.492254] ? addrconf_rs_timer+0x690/0x690 [ 349.496681] ndisc_alloc_skb+0x144/0x340 [ 349.500744] ndisc_send_rs+0x331/0x6e0 [ 349.504635] addrconf_rs_timer+0x314/0x690 [ 349.508869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.513112] call_timer_fn+0x272/0x920 [ 349.516997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.521229] ? process_timeout+0x40/0x40 [ 349.525310] ? mark_held_locks+0xc7/0x130 [ 349.529465] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.533955] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.538440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.542674] ? lockdep_hardirqs_on+0x296/0x5b0 [ 349.547261] ? trace_hardirqs_on+0xbd/0x310 [ 349.551583] ? kasan_check_read+0x11/0x20 [ 349.555724] ? __run_timers+0x7da/0xc70 [ 349.559694] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.564796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.569031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.573268] __run_timers+0x7e5/0xc70 [ 349.577075] ? timer_fixup_init+0x70/0x70 [ 349.581219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 349.586236] ? zap_class+0x640/0x640 [ 349.589956] ? print_usage_bug+0xc0/0xc0 [ 349.594100] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.599300] ? find_held_lock+0x36/0x1c0 [ 349.603364] ? zap_class+0x640/0x640 [ 349.607080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.612616] ? check_preemption_disabled+0x48/0x280 [ 349.617640] ? __lock_is_held+0xb5/0x140 [ 349.621699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.627239] ? check_preemption_disabled+0x48/0x280 [ 349.632276] run_timer_softirq+0x52/0xb0 [ 349.636335] ? rcu_read_lock_sched_held+0x14f/0x180 [ 349.641347] __do_softirq+0x308/0xb7e [ 349.645147] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 349.649637] ? lock_downgrade+0x900/0x900 [ 349.653785] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 349.658891] ? pvclock_read_flags+0x160/0x160 [ 349.663385] ? lapic_next_event+0x5a/0x90 [ 349.667532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.673069] ? kvm_clock_read+0x18/0x30 [ 349.677038] ? kvm_sched_clock_read+0x9/0x20 [ 349.681442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.686974] ? check_preemption_disabled+0x48/0x280 [ 349.692001] irq_exit+0x17f/0x1c0 [ 349.695549] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.700385] ? smp_reschedule_interrupt+0x109/0x650 [ 349.705397] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.711284] ? interrupt_entry+0xb5/0xc0 [ 349.715339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.720351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.725362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.730635] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.735658] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.740667] ? task_prio+0x50/0x50 [ 349.744203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.749737] ? check_preemption_disabled+0x48/0x280 [ 349.754758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.759606] apic_timer_interrupt+0xf/0x20 [ 349.763836] [ 349.766071] RIP: 0010:dump_stack+0x358/0x39d [ 349.770477] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 349.789372] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 349.797090] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 349.804353] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 349.811623] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 349.818888] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 349.826150] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 349.833431] ? dump_stack+0x34f/0x39d [ 349.837246] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.842438] ? mark_held_locks+0x130/0x130 [ 349.846670] ? mark_held_locks+0x130/0x130 [ 349.850905] dump_header+0x27b/0xf72 [ 349.854629] ? pagefault_out_of_memory+0x197/0x197 [ 349.859561] ? __lock_acquire+0x62f/0x4c20 [ 349.863799] ? percpu_ref_get_many+0x240/0x240 [ 349.868385] ? print_usage_bug+0xc0/0xc0 [ 349.872447] ? zap_class+0x640/0x640 [ 349.876158] ? print_usage_bug+0xc0/0xc0 [ 349.880213] ? print_usage_bug+0xc0/0xc0 [ 349.884284] ? zap_class+0x640/0x640 [ 349.887998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.893538] ? find_held_lock+0x36/0x1c0 [ 349.898034] ? mark_held_locks+0xc7/0x130 [ 349.902184] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.907283] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.912382] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.916965] ? trace_hardirqs_on+0xbd/0x310 [ 349.921285] ? kasan_check_read+0x11/0x20 [ 349.925431] ? ___ratelimit+0x3b4/0x672 [ 349.929403] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.934503] ? trace_hardirqs_on+0x310/0x310 [ 349.938910] ? lock_downgrade+0x900/0x900 [ 349.943064] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.948164] ? ___ratelimit+0x3b9/0x672 [ 349.952134] ? idr_get_free+0xf70/0xf70 [ 349.956101] ? find_held_lock+0x36/0x1c0 [ 349.960179] oom_kill_process.cold.27+0x10/0x903 [ 349.964933] ? zap_class+0x640/0x640 [ 349.968665] ? check_preemption_disabled+0x48/0x280 [ 349.973681] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.978608] ? kasan_check_read+0x11/0x20 [ 349.982775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.988060] ? oom_evaluate_task+0x540/0x540 [ 349.992468] ? find_held_lock+0x36/0x1c0 [ 349.996532] ? out_of_memory+0x974/0x1430 [ 350.000681] ? lock_downgrade+0x900/0x900 [ 350.004823] ? check_preemption_disabled+0x48/0x280 [ 350.009838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.014763] ? kasan_check_read+0x11/0x20 [ 350.018908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.024180] ? rcu_softirq_qs+0x20/0x20 [ 350.028164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.033693] ? oom_evaluate_task+0x302/0x540 [ 350.038101] out_of_memory+0xa84/0x1430 [ 350.042080] ? oom_killer_disable+0x3a0/0x3a0 [ 350.046571] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 350.051503] ? __ww_mutex_check_waiters+0x160/0x160 [ 350.056531] __alloc_pages_slowpath+0x2354/0x2e10 [ 350.061405] ? warn_alloc+0x120/0x120 [ 350.065199] ? mark_held_locks+0x130/0x130 [ 350.069446] ? find_get_entry+0xaae/0x1120 [ 350.073683] ? filemap_map_pages+0x1a20/0x1a20 [ 350.078266] ? zap_class+0x640/0x640 [ 350.081980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.087515] ? check_preemption_disabled+0x48/0x280 [ 350.092533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.098065] ? should_fail+0x22d/0xd01 [ 350.101953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.107051] ? zap_class+0x640/0x640 [ 350.110784] ? __lock_is_held+0xb5/0x140 [ 350.114849] ? mark_held_locks+0x130/0x130 [ 350.119085] ? lock_release+0xa00/0xa00 [ 350.123054] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.128503] ? xa_load+0x2ba/0x460 [ 350.132038] ? lock_downgrade+0x900/0x900 [ 350.136186] ? __might_sleep+0x95/0x190 [ 350.140181] __alloc_pages_nodemask+0xa80/0xde0 [ 350.144863] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 350.149878] ? __page_cache_alloc+0x191/0x5c0 [ 350.154380] ? xa_load+0x2e1/0x460 [ 350.157916] ? xa_clear_mark+0x40/0x40 [ 350.161801] ? zap_class+0x640/0x640 [ 350.165516] ? zap_class+0x640/0x640 [ 350.169232] ? zap_class+0x640/0x640 [ 350.172941] ? __do_page_cache_readahead+0x663/0x810 [ 350.178043] ? find_held_lock+0x36/0x1c0 [ 350.182118] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 350.187700] alloc_pages_current+0x173/0x350 [ 350.192131] __page_cache_alloc+0x38c/0x5c0 [ 350.196447] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.201371] ? kasan_check_read+0x11/0x20 [ 350.205518] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.210805] ? generic_perform_write+0x6a0/0x6a0 [ 350.215560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.221100] ? check_preemption_disabled+0x48/0x280 [ 350.226118] filemap_fault+0x1595/0x25f0 [ 350.230187] ? __lock_page_or_retry+0xa00/0xa00 [ 350.234885] ? mark_held_locks+0x130/0x130 [ 350.239122] ? filemap_map_pages+0xd6b/0x1a20 [ 350.243613] ? lock_downgrade+0x900/0x900 [ 350.247758] ? check_preemption_disabled+0x48/0x280 [ 350.252775] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.257700] ? kasan_check_read+0x11/0x20 [ 350.261842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.267116] ? rcu_softirq_qs+0x20/0x20 [ 350.271098] ? filemap_map_pages+0xd92/0x1a20 [ 350.275604] ? find_get_entries_tag+0x1400/0x1400 [ 350.280443] ? debug_object_destroy+0x2b0/0x2b0 [ 350.285110] ? lock_pi_update_atomic+0x150/0x150 [ 350.289872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.295414] ? lock_acquire+0x1ed/0x520 [ 350.299396] ? ext4_filemap_fault+0x7a/0xad [ 350.303719] ? lock_release+0xa00/0xa00 [ 350.307689] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.313137] ? print_usage_bug+0xc0/0xc0 [ 350.317199] ? print_usage_bug+0xc0/0xc0 [ 350.321294] ? down_read+0x8d/0x120 [ 350.324913] ? ext4_filemap_fault+0x7a/0xad [ 350.329233] ? __down_interruptible+0x700/0x700 [ 350.333926] ext4_filemap_fault+0x82/0xad [ 350.338071] __do_fault+0x100/0x6b0 [ 350.341705] ? pmd_devmap_trans_unstable+0x220/0x220 [ 350.346810] ? mark_held_locks+0x130/0x130 [ 350.351040] ? mark_held_locks+0x130/0x130 [ 350.355275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.360812] ? check_preemption_disabled+0x48/0x280 [ 350.365831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.371368] __handle_mm_fault+0x3ea0/0x5be0 [ 350.375779] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 350.380618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.386152] ? __fpu__restore_sig+0x62f/0x1680 [ 350.390754] ? zap_class+0x640/0x640 [ 350.394465] ? zap_class+0x640/0x640 [ 350.398172] ? __x64_sys_futex+0x53e/0x6a0 [ 350.402416] ? find_held_lock+0x36/0x1c0 [ 350.406483] ? handle_mm_fault+0x42a/0xc70 [ 350.410716] ? lock_downgrade+0x900/0x900 [ 350.414860] ? check_preemption_disabled+0x48/0x280 [ 350.419874] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.424795] ? kasan_check_read+0x11/0x20 [ 350.428936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.434211] ? rcu_softirq_qs+0x20/0x20 [ 350.438188] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.443290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.448823] ? check_preemption_disabled+0x48/0x280 [ 350.453840] handle_mm_fault+0x54f/0xc70 [ 350.457900] ? __handle_mm_fault+0x5be0/0x5be0 [ 350.462481] ? find_vma+0x34/0x190 [ 350.466023] __do_page_fault+0x5e8/0xe60 [ 350.470083] ? trace_hardirqs_off+0xb8/0x310 [ 350.474489] ? exit_to_usermode_loop+0x1f4/0x380 [ 350.479246] do_page_fault+0xf2/0x7e0 [ 350.483044] ? vmalloc_sync_all+0x30/0x30 [ 350.487192] ? error_entry+0x70/0xd0 [ 350.490905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.495914] ? trace_hardirqs_on_caller+0xc0/0x310 [ 350.500841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.505770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.510612] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.515621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.521072] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.526081] ? page_fault+0x8/0x30 [ 350.529616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.534455] ? page_fault+0x8/0x30 [ 350.537993] page_fault+0x1e/0x30 [ 350.541450] RIP: 0033:0x45ddf3 [ 350.544652] Code: Bad RIP value. [ 350.548008] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 350.553364] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 350.560625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 350.567885] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 350.575145] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 350.582424] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 350.589711] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 350.589716] warn_alloc_show_mem: 1 callbacks suppressed [ 350.589722] Mem-Info: [ 350.597078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.602439] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 350.602439] active_file:14 inactive_file:13 isolated_file:0 [ 350.602439] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.602439] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 350.602439] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 350.602439] free:13747 free_pcp:512 free_cma:0 [ 350.604807] Call Trace: [ 350.614193] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.647116] [ 350.649687] 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 [ 350.677184] dump_stack+0x244/0x39d [ 350.679302] lowmem_reserve[]: 0 2818 6321 6321 [ 350.705409] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.709009] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 350.713588] warn_alloc.cold.116+0xb7/0x1bd [ 350.718742] lowmem_reserve[]: 0 0 3503 3503 [ 350.746478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.750769] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 350.755084] ? lock_downgrade+0x900/0x900 [ 350.759898] lowmem_reserve[]: 0 0 0 0 [ 350.788870] ? trace_hardirqs_off+0xb8/0x310 [ 350.792991] 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 [ 350.796787] ? trace_hardirqs_off+0xb8/0x310 [ 350.801169] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 350.814700] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.819095] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 350.834369] ? warn_alloc+0x120/0x120 [ 350.839173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.853545] ? warn_alloc+0x120/0x120 [ 350.857322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.866154] ? warn_alloc+0x120/0x120 [ 350.869929] 165 total pagecache pages [ 350.878494] ? print_usage_bug+0xc0/0xc0 [ 350.882275] 0 pages in swap cache [ 350.886059] ? is_bpf_text_address+0xac/0x170 [ 350.890097] Swap cache stats: add 0, delete 0, find 0/0 [ 350.893539] ? print_usage_bug+0xc0/0xc0 [ 350.898003] Free swap = 0kB [ 350.903376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.907394] Total swap = 0kB [ 350.907402] 1965979 pages RAM [ 350.910412] ? should_fail+0x22d/0xd01 [ 350.915912] 0 pages HighMem/MovableOnly [ 350.915919] 342855 pages reserved [ 350.918929] ? __lock_acquire+0x62f/0x4c20 [ 350.922006] 0 pages cma reserved [ 350.925882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.929913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.933285] ? __lock_acquire+0x62f/0x4c20 [ 350.933303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.933317] ? __lock_acquire+0x62f/0x4c20 [ 350.937584] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.940893] ? should_fail+0x22d/0xd01 [ 350.945973] syz-fuzzer cpuset=/ mems_allowed=0 [ 350.952467] ? mark_held_locks+0x130/0x130 [ 350.988844] ? mark_held_locks+0x130/0x130 [ 350.993080] ? try_to_wake_up+0x11c/0x1490 [ 350.997315] ? lock_downgrade+0x900/0x900 [ 351.001463] ? zap_class+0x640/0x640 [ 351.005175] ? print_usage_bug+0xc0/0xc0 [ 351.009236] ? trace_hardirqs_off+0xb8/0x310 [ 351.013653] ? kasan_check_read+0x11/0x20 [ 351.017802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.023342] ? check_preemption_disabled+0x48/0x280 [ 351.028406] ? __lock_is_held+0xb5/0x140 [ 351.032481] __alloc_pages_nodemask+0xa80/0xde0 [ 351.037164] ? zap_class+0x640/0x640 [ 351.040881] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.045928] ? find_held_lock+0x36/0x1c0 [ 351.049996] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.054666] ? lock_downgrade+0x900/0x900 [ 351.058816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.064355] cache_grow_begin+0xa5/0x8c0 [ 351.068415] ? do_raw_spin_unlock+0xa7/0x330 [ 351.072827] fallback_alloc+0x204/0x2e0 [ 351.076805] ____cache_alloc_node+0x1c7/0x1e0 [ 351.081302] kmem_cache_alloc_node+0xe3/0x730 [ 351.085793] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.090032] __alloc_skb+0x119/0x770 [ 351.093742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.099020] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.103423] ? lock_downgrade+0x900/0x900 [ 351.107579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.113118] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.118582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.124031] ? addrconf_rs_timer+0x690/0x690 [ 351.128443] ndisc_alloc_skb+0x144/0x340 [ 351.132506] ndisc_send_rs+0x331/0x6e0 [ 351.136394] addrconf_rs_timer+0x314/0x690 [ 351.140628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.144874] call_timer_fn+0x272/0x920 [ 351.148755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.152988] ? process_timeout+0x40/0x40 [ 351.157050] ? __run_timers+0x7da/0xc70 [ 351.161026] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.165519] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.170015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.174246] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.179006] ? trace_hardirqs_on+0xbd/0x310 [ 351.183325] ? kasan_check_read+0x11/0x20 [ 351.187463] ? __run_timers+0x7da/0xc70 [ 351.191437] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.196546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.200771] __run_timers+0x7e5/0xc70 [ 351.204577] ? timer_fixup_init+0x70/0x70 [ 351.208744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.213756] ? zap_class+0x640/0x640 [ 351.217477] ? enqueue_hrtimer+0x1a5/0x560 [ 351.221713] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.226902] ? find_held_lock+0x36/0x1c0 [ 351.230962] ? zap_class+0x640/0x640 [ 351.234678] ? pvclock_read_flags+0x160/0x160 [ 351.239171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.244705] ? check_preemption_disabled+0x48/0x280 [ 351.249730] ? __lock_is_held+0xb5/0x140 [ 351.253793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.260019] ? check_preemption_disabled+0x48/0x280 [ 351.265044] run_timer_softirq+0x52/0xb0 [ 351.269116] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.274131] __do_softirq+0x308/0xb7e [ 351.277937] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.282428] ? lock_downgrade+0x900/0x900 [ 351.286573] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.291677] ? pvclock_read_flags+0x160/0x160 [ 351.296172] ? lapic_next_event+0x5a/0x90 [ 351.300320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.305862] ? kvm_clock_read+0x18/0x30 [ 351.309832] ? kvm_sched_clock_read+0x9/0x20 [ 351.314245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.319780] ? check_preemption_disabled+0x48/0x280 [ 351.324806] irq_exit+0x17f/0x1c0 [ 351.328264] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.333110] ? smp_reschedule_interrupt+0x109/0x650 [ 351.338167] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.344104] ? interrupt_entry+0xb5/0xc0 [ 351.348233] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.353243] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.358258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.363108] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.368122] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.373156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.378006] apic_timer_interrupt+0xf/0x20 [ 351.382231] [ 351.384471] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 351.389402] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 351.408303] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.416019] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.423280] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 351.430543] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 351.437805] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 351.445068] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 351.452416] skb_clone+0x1bb/0x500 [ 351.455993] ? finish_task_switch+0x2f4/0x910 [ 351.460492] ? skb_split+0x11e0/0x11e0 [ 351.464377] ? preempt_notifier_register+0x200/0x200 [ 351.469490] ? __switch_to_asm+0x34/0x70 [ 351.473571] ? __switch_to_asm+0x34/0x70 [ 351.477631] ? __switch_to_asm+0x40/0x70 [ 351.481691] ? __switch_to_asm+0x34/0x70 [ 351.485747] ? __switch_to_asm+0x40/0x70 [ 351.489804] ? __switch_to_asm+0x34/0x70 [ 351.493865] ? __switch_to_asm+0x40/0x70 [ 351.497918] ? __switch_to_asm+0x34/0x70 [ 351.502018] ? __switch_to_asm+0x34/0x70 [ 351.506214] ? __switch_to_asm+0x40/0x70 [ 351.510271] ? __switch_to_asm+0x34/0x70 [ 351.514343] bpf_clone_redirect+0xb9/0x490 [ 351.518575] ? __schedule+0x8d7/0x21d0 [ 351.522472] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 351.527483] ? __sched_text_start+0x8/0x8 [ 351.531631] ? retint_kernel+0x2d/0x2d [ 351.535514] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.540444] ? find_held_lock+0x36/0x1c0 [ 351.544510] ? lock_acquire+0x1ed/0x520 [ 351.548491] ? bpf_test_run+0x3cb/0x780 [ 351.552479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.558016] ? check_preemption_disabled+0x48/0x280 [ 351.563036] ? kasan_check_read+0x11/0x20 [ 351.567183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.572461] ? rcu_softirq_qs+0x20/0x20 [ 351.576440] ? preempt_schedule+0x4d/0x60 [ 351.580589] ? ___preempt_schedule+0x16/0x18 [ 351.585014] ? bpf_test_run+0x25d/0x780 [ 351.588995] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.593406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.599038] ? bpf_test_init.isra.10+0x70/0x100 [ 351.603712] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 351.608483] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.613322] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.618855] ? fput+0x130/0x1a0 [ 351.622137] ? __bpf_prog_get+0x9b/0x290 [ 351.626195] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.631033] ? bpf_prog_test_run+0x130/0x1a0 [ 351.635450] ? __x64_sys_bpf+0x3d8/0x520 [ 351.640028] ? bpf_prog_get+0x20/0x20 [ 351.643846] ? do_syscall_64+0x1b9/0x820 [ 351.647906] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.653271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.658198] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.663212] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.668234] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 351.674902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.679751] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.685133] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 351.685225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.692143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.692150] Call Trace: [ 351.698712] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.707972] [ 351.710535] syz-executor4 cpuset=syz4 mems_allowed=0 [ 351.721013] dump_stack+0x244/0x39d [ 351.732322] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.737520] warn_alloc.cold.116+0xb7/0x1bd [ 351.741837] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.746688] ? lock_downgrade+0x900/0x900 [ 351.750840] ? trace_hardirqs_off+0xb8/0x310 [ 351.755252] ? trace_hardirqs_off+0xb8/0x310 [ 351.759666] __alloc_pages_slowpath+0x26e8/0x2e10 [ 351.764528] ? warn_alloc+0x120/0x120 [ 351.768327] ? print_usage_bug+0xc0/0xc0 [ 351.772386] ? warn_alloc+0x120/0x120 [ 351.776187] ? warn_alloc+0x120/0x120 [ 351.779982] ? print_usage_bug+0xc0/0xc0 [ 351.784044] ? print_usage_bug+0xc0/0xc0 [ 351.788114] ? __lock_acquire+0x62f/0x4c20 [ 351.792438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.798003] ? should_fail+0x22d/0xd01 [ 351.801891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.806993] ? __lock_acquire+0x62f/0x4c20 [ 351.811229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.816327] ? __lock_acquire+0x62f/0x4c20 [ 351.820560] ? should_fail+0x22d/0xd01 [ 351.824446] ? find_held_lock+0x36/0x1c0 [ 351.828513] ? mark_held_locks+0x130/0x130 [ 351.832746] ? mark_held_locks+0x130/0x130 [ 351.836977] ? zap_class+0x640/0x640 [ 351.840684] ? zap_class+0x640/0x640 [ 351.844398] ? print_usage_bug+0xc0/0xc0 [ 351.848452] ? do_raw_spin_unlock+0xa7/0x330 [ 351.852871] ? zap_class+0x640/0x640 [ 351.856580] ? print_usage_bug+0xc0/0xc0 [ 351.860638] ? wq_watchdog_touch+0x9c/0xfe [ 351.864871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.870402] ? check_preemption_disabled+0x48/0x280 [ 351.875423] ? __lock_is_held+0xb5/0x140 [ 351.879484] __alloc_pages_nodemask+0xa80/0xde0 [ 351.884153] ? zap_class+0x640/0x640 [ 351.887886] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.892921] ? find_held_lock+0x36/0x1c0 [ 351.897539] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.902209] ? lock_downgrade+0x900/0x900 [ 351.906360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.911899] cache_grow_begin+0xa5/0x8c0 [ 351.915956] ? do_raw_spin_unlock+0xa7/0x330 [ 351.920366] fallback_alloc+0x204/0x2e0 [ 351.924345] ____cache_alloc_node+0x1c7/0x1e0 [ 351.928839] kmem_cache_alloc_node+0xe3/0x730 [ 351.933331] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.937572] __alloc_skb+0x119/0x770 [ 351.941280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.946572] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.950977] ? lock_downgrade+0x900/0x900 [ 351.955131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.960668] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.966139] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.971587] ? addrconf_rs_timer+0x690/0x690 [ 351.976002] ndisc_alloc_skb+0x144/0x340 [ 351.980075] ndisc_send_rs+0x331/0x6e0 [ 351.983964] addrconf_rs_timer+0x314/0x690 [ 351.988201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.992439] call_timer_fn+0x272/0x920 [ 351.996318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.000551] ? process_timeout+0x40/0x40 [ 352.004614] ? mark_held_locks+0xc7/0x130 [ 352.008760] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.013249] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.017740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.021976] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.026644] ? trace_hardirqs_on+0xbd/0x310 [ 352.030958] ? kasan_check_read+0x11/0x20 [ 352.035099] ? __run_timers+0x7da/0xc70 [ 352.039072] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.044259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.048505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.052751] __run_timers+0x7e5/0xc70 [ 352.056553] ? timer_fixup_init+0x70/0x70 [ 352.060698] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 352.065709] ? zap_class+0x640/0x640 [ 352.069421] ? print_usage_bug+0xc0/0xc0 [ 352.073483] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 352.078677] ? find_held_lock+0x36/0x1c0 [ 352.082738] ? zap_class+0x640/0x640 [ 352.086456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.091994] ? check_preemption_disabled+0x48/0x280 [ 352.097028] ? __lock_is_held+0xb5/0x140 [ 352.101089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.106623] ? check_preemption_disabled+0x48/0x280 [ 352.111641] run_timer_softirq+0x52/0xb0 [ 352.115696] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.120716] __do_softirq+0x308/0xb7e [ 352.124516] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 352.129008] ? lock_downgrade+0x900/0x900 [ 352.133168] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.138272] ? pvclock_read_flags+0x160/0x160 [ 352.142764] ? lapic_next_event+0x5a/0x90 [ 352.146909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.152448] ? kvm_clock_read+0x18/0x30 [ 352.156416] ? kvm_sched_clock_read+0x9/0x20 [ 352.160821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.166361] ? check_preemption_disabled+0x48/0x280 [ 352.171383] irq_exit+0x17f/0x1c0 [ 352.174834] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.179670] ? smp_reschedule_interrupt+0x109/0x650 [ 352.184691] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.190585] ? interrupt_entry+0xb5/0xc0 [ 352.194644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.199651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.204667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.209510] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.214520] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.219533] ? task_prio+0x50/0x50 [ 352.223071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.228604] ? check_preemption_disabled+0x48/0x280 [ 352.233621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.238468] apic_timer_interrupt+0xf/0x20 [ 352.242691] [ 352.244927] RIP: 0010:dump_stack+0x358/0x39d [ 352.249333] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 352.268228] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 352.275931] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 352.283198] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 352.290467] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 352.297734] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 352.304999] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 352.312294] ? dump_stack+0x34f/0x39d [ 352.316106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.321295] ? mark_held_locks+0x130/0x130 [ 352.325529] ? mark_held_locks+0x130/0x130 [ 352.329768] dump_header+0x27b/0xf72 [ 352.333491] ? pagefault_out_of_memory+0x197/0x197 [ 352.338423] ? __lock_acquire+0x62f/0x4c20 [ 352.342656] ? percpu_ref_get_many+0x240/0x240 [ 352.347258] ? print_usage_bug+0xc0/0xc0 [ 352.351323] ? zap_class+0x640/0x640 [ 352.355042] ? print_usage_bug+0xc0/0xc0 [ 352.359098] ? print_usage_bug+0xc0/0xc0 [ 352.363155] ? zap_class+0x640/0x640 [ 352.366870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.372407] ? find_held_lock+0x36/0x1c0 [ 352.376470] ? mark_held_locks+0xc7/0x130 [ 352.380616] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.385717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.390820] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.395398] ? trace_hardirqs_on+0xbd/0x310 [ 352.399715] ? kasan_check_read+0x11/0x20 [ 352.403858] ? ___ratelimit+0x3b4/0x672 [ 352.407841] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.412942] ? trace_hardirqs_on+0x310/0x310 [ 352.417350] ? lock_downgrade+0x900/0x900 [ 352.421500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.426600] ? ___ratelimit+0x3b9/0x672 [ 352.430571] ? idr_get_free+0xf70/0xf70 [ 352.434545] ? find_held_lock+0x36/0x1c0 [ 352.438608] oom_kill_process.cold.27+0x10/0x903 [ 352.443360] ? zap_class+0x640/0x640 [ 352.447072] ? check_preemption_disabled+0x48/0x280 [ 352.452088] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.457022] ? kasan_check_read+0x11/0x20 [ 352.461167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.466444] ? oom_evaluate_task+0x540/0x540 [ 352.470851] ? find_held_lock+0x36/0x1c0 [ 352.474918] ? out_of_memory+0x974/0x1430 [ 352.479062] ? lock_downgrade+0x900/0x900 [ 352.483207] ? check_preemption_disabled+0x48/0x280 [ 352.488220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.493144] ? kasan_check_read+0x11/0x20 [ 352.497285] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.502558] ? rcu_softirq_qs+0x20/0x20 [ 352.506537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.512067] ? oom_evaluate_task+0x302/0x540 [ 352.516474] out_of_memory+0xa84/0x1430 [ 352.520449] ? oom_killer_disable+0x3a0/0x3a0 [ 352.524939] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 352.529864] ? __ww_mutex_check_waiters+0x160/0x160 [ 352.534882] __alloc_pages_slowpath+0x2354/0x2e10 [ 352.539747] ? warn_alloc+0x120/0x120 [ 352.543542] ? mark_held_locks+0x130/0x130 [ 352.547776] ? find_get_entry+0xaae/0x1120 [ 352.552022] ? filemap_map_pages+0x1a20/0x1a20 [ 352.556605] ? zap_class+0x640/0x640 [ 352.560332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.565863] ? check_preemption_disabled+0x48/0x280 [ 352.570872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.576408] ? should_fail+0x22d/0xd01 [ 352.580294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.585397] ? zap_class+0x640/0x640 [ 352.589136] ? __lock_is_held+0xb5/0x140 [ 352.593211] ? mark_held_locks+0x130/0x130 [ 352.597446] ? lock_release+0xa00/0xa00 [ 352.601416] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.606862] ? xa_load+0x2ba/0x460 [ 352.610398] ? lock_downgrade+0x900/0x900 [ 352.614549] ? __might_sleep+0x95/0x190 [ 352.618523] __alloc_pages_nodemask+0xa80/0xde0 [ 352.623195] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 352.628206] ? __page_cache_alloc+0x191/0x5c0 [ 352.632955] ? xa_load+0x2e1/0x460 [ 352.636499] ? xa_clear_mark+0x40/0x40 [ 352.640384] ? zap_class+0x640/0x640 [ 352.644102] ? zap_class+0x640/0x640 [ 352.647808] ? zap_class+0x640/0x640 [ 352.651519] ? __do_page_cache_readahead+0x663/0x810 [ 352.656621] ? find_held_lock+0x36/0x1c0 [ 352.660686] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 352.666224] alloc_pages_current+0x173/0x350 [ 352.670632] __page_cache_alloc+0x38c/0x5c0 [ 352.674945] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.679874] ? kasan_check_read+0x11/0x20 [ 352.684022] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.689296] ? generic_perform_write+0x6a0/0x6a0 [ 352.694051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.699583] ? check_preemption_disabled+0x48/0x280 [ 352.704600] filemap_fault+0x1595/0x25f0 [ 352.708666] ? __lock_page_or_retry+0xa00/0xa00 [ 352.713332] ? mark_held_locks+0x130/0x130 [ 352.717573] ? filemap_map_pages+0xd6b/0x1a20 [ 352.722067] ? lock_downgrade+0x900/0x900 [ 352.726210] ? check_preemption_disabled+0x48/0x280 [ 352.732722] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.737650] ? kasan_check_read+0x11/0x20 [ 352.741791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.747063] ? rcu_softirq_qs+0x20/0x20 [ 352.751043] ? filemap_map_pages+0xd92/0x1a20 [ 352.755546] ? find_get_entries_tag+0x1400/0x1400 [ 352.760385] ? debug_object_destroy+0x2b0/0x2b0 [ 352.765049] ? lock_pi_update_atomic+0x150/0x150 [ 352.769799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.775343] ? lock_acquire+0x1ed/0x520 [ 352.779310] ? ext4_filemap_fault+0x7a/0xad [ 352.783635] ? lock_release+0xa00/0xa00 [ 352.787606] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.793055] ? print_usage_bug+0xc0/0xc0 [ 352.797118] ? print_usage_bug+0xc0/0xc0 [ 352.801192] ? down_read+0x8d/0x120 [ 352.804825] ? ext4_filemap_fault+0x7a/0xad [ 352.809144] ? __down_interruptible+0x700/0x700 [ 352.813828] ext4_filemap_fault+0x82/0xad [ 352.817986] __do_fault+0x100/0x6b0 [ 352.821615] ? pmd_devmap_trans_unstable+0x220/0x220 [ 352.826732] ? mark_held_locks+0x130/0x130 [ 352.830975] ? mark_held_locks+0x130/0x130 [ 352.835221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.840756] ? check_preemption_disabled+0x48/0x280 [ 352.845777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.851331] __handle_mm_fault+0x3ea0/0x5be0 [ 352.855750] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 352.860679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.866233] ? __fpu__restore_sig+0x62f/0x1680 [ 352.870832] ? zap_class+0x640/0x640 [ 352.874540] ? zap_class+0x640/0x640 [ 352.878248] ? __x64_sys_futex+0x53e/0x6a0 [ 352.883092] ? find_held_lock+0x36/0x1c0 [ 352.887162] ? handle_mm_fault+0x42a/0xc70 [ 352.891398] ? lock_downgrade+0x900/0x900 [ 352.895542] ? check_preemption_disabled+0x48/0x280 [ 352.900558] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.905507] ? kasan_check_read+0x11/0x20 [ 352.909672] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.914958] ? rcu_softirq_qs+0x20/0x20 [ 352.918930] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.924039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.929587] ? check_preemption_disabled+0x48/0x280 [ 352.934609] handle_mm_fault+0x54f/0xc70 [ 352.938669] ? __handle_mm_fault+0x5be0/0x5be0 [ 352.943254] ? find_vma+0x34/0x190 [ 352.946793] __do_page_fault+0x5e8/0xe60 [ 352.950846] ? trace_hardirqs_off+0xb8/0x310 [ 352.955252] ? exit_to_usermode_loop+0x1f4/0x380 [ 352.960016] do_page_fault+0xf2/0x7e0 [ 352.963822] ? vmalloc_sync_all+0x30/0x30 [ 352.967975] ? error_entry+0x70/0xd0 [ 352.971684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.976706] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.981629] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.986554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.991391] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.996408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.001861] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.006874] ? page_fault+0x8/0x30 [ 353.010414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.015252] ? page_fault+0x8/0x30 [ 353.018789] page_fault+0x1e/0x30 [ 353.022239] RIP: 0033:0x45ddf3 [ 353.025438] Code: Bad RIP value. [ 353.028795] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 353.034153] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 353.041419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 353.048691] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 353.055965] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 353.063230] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 353.070522] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 353.070527] warn_alloc_show_mem: 1 callbacks suppressed [ 353.070533] Mem-Info: [ 353.077891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.083255] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 353.083255] active_file:14 inactive_file:13 isolated_file:0 [ 353.083255] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.083255] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 353.083255] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 353.083255] free:13747 free_pcp:512 free_cma:0 [ 353.085626] Call Trace: [ 353.095000] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.127856] [ 353.130426] 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 [ 353.157931] dump_stack+0x244/0x39d [ 353.160052] lowmem_reserve[]: 0 2818 6321 6321 [ 353.186245] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.189848] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 353.194429] warn_alloc.cold.116+0xb7/0x1bd [ 353.199586] lowmem_reserve[]: 0 0 3503 3503 [ 353.226914] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.231212] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 353.235524] ? lock_downgrade+0x900/0x900 [ 353.240336] lowmem_reserve[]: 0 0 0 0 [ 353.269305] ? trace_hardirqs_off+0xb8/0x310 [ 353.273420] 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 [ 353.277219] ? trace_hardirqs_off+0xb8/0x310 [ 353.281592] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 353.295149] __alloc_pages_slowpath+0x26e8/0x2e10 [ 353.299519] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 353.314886] ? warn_alloc+0x120/0x120 [ 353.319687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.334067] ? print_usage_bug+0xc0/0xc0 [ 353.337843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.346663] ? warn_alloc+0x120/0x120 [ 353.350694] 165 total pagecache pages [ 353.359342] ? warn_alloc+0x120/0x120 [ 353.363144] 0 pages in swap cache [ 353.366935] ? print_usage_bug+0xc0/0xc0 [ 353.370713] Swap cache stats: add 0, delete 0, find 0/0 [ 353.370721] Free swap = 0kB [ 353.374163] ? kvm_clock_read+0x18/0x30 [ 353.378198] Total swap = 0kB [ 353.383547] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 353.386536] 1965979 pages RAM [ 353.390494] ? print_usage_bug+0xc0/0xc0 [ 353.393487] 0 pages HighMem/MovableOnly [ 353.398487] ? __lock_acquire+0x62f/0x4c20 [ 353.401577] 342855 pages reserved [ 353.401584] 0 pages cma reserved [ 353.405634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.409652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.413799] ? should_fail+0x22d/0xd01 [ 353.413811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.413828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.417302] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.420608] ? __lock_acquire+0x62f/0x4c20 [ 353.426114] syz-fuzzer cpuset=/ mems_allowed=0 [ 353.432597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.470893] ? __lock_acquire+0x62f/0x4c20 [ 353.475134] ? should_fail+0x22d/0xd01 [ 353.479017] ? rcu_irq_exit+0x1a2/0x390 [ 353.482999] ? mark_held_locks+0x130/0x130 [ 353.487242] ? mark_held_locks+0x130/0x130 [ 353.491480] ? mark_held_locks+0xc7/0x130 [ 353.495625] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 353.500646] ? zap_class+0x640/0x640 [ 353.504360] ? print_usage_bug+0xc0/0xc0 [ 353.508427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.513967] ? check_preemption_disabled+0x48/0x280 [ 353.518988] ? __lock_is_held+0xb5/0x140 [ 353.523085] __alloc_pages_nodemask+0xa80/0xde0 [ 353.527752] ? zap_class+0x640/0x640 [ 353.531467] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.536493] ? find_held_lock+0x36/0x1c0 [ 353.540566] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.545246] ? lock_downgrade+0x900/0x900 [ 353.549409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.554952] cache_grow_begin+0xa5/0x8c0 [ 353.559007] ? do_raw_spin_unlock+0xa7/0x330 [ 353.563426] fallback_alloc+0x204/0x2e0 [ 353.567406] ____cache_alloc_node+0x1c7/0x1e0 [ 353.571914] kmem_cache_alloc_node+0xe3/0x730 [ 353.576410] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.580654] __alloc_skb+0x119/0x770 [ 353.584363] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.589640] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.594054] ? lock_downgrade+0x900/0x900 [ 353.598210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.603747] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.609195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.614640] ? addrconf_rs_timer+0x690/0x690 [ 353.619052] ndisc_alloc_skb+0x144/0x340 [ 353.623115] ndisc_send_rs+0x331/0x6e0 [ 353.627021] addrconf_rs_timer+0x314/0x690 [ 353.631256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.635496] call_timer_fn+0x272/0x920 [ 353.639382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.643615] ? process_timeout+0x40/0x40 [ 353.647677] ? __run_timers+0x7da/0xc70 [ 353.651663] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.656153] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.660644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.664874] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.669466] ? trace_hardirqs_on+0xbd/0x310 [ 353.673783] ? kasan_check_read+0x11/0x20 [ 353.677923] ? __run_timers+0x7da/0xc70 [ 353.681903] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.687025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.691288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.695522] __run_timers+0x7e5/0xc70 [ 353.699431] ? timer_fixup_init+0x70/0x70 [ 353.703587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.708599] ? zap_class+0x640/0x640 [ 353.712309] ? enqueue_hrtimer+0x1a5/0x560 [ 353.716559] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.721748] ? find_held_lock+0x36/0x1c0 [ 353.725808] ? zap_class+0x640/0x640 [ 353.729521] ? pvclock_read_flags+0x160/0x160 [ 353.734013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.739549] ? check_preemption_disabled+0x48/0x280 [ 353.744590] ? __lock_is_held+0xb5/0x140 [ 353.748651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.754196] ? check_preemption_disabled+0x48/0x280 [ 353.759215] run_timer_softirq+0x52/0xb0 [ 353.763274] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.768286] __do_softirq+0x308/0xb7e [ 353.772086] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.776575] ? lock_downgrade+0x900/0x900 [ 353.780721] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.785830] ? pvclock_read_flags+0x160/0x160 [ 353.790321] ? lapic_next_event+0x5a/0x90 [ 353.794466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.800016] ? kvm_clock_read+0x18/0x30 [ 353.803987] ? kvm_sched_clock_read+0x9/0x20 [ 353.808400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.813937] ? check_preemption_disabled+0x48/0x280 [ 353.818970] irq_exit+0x17f/0x1c0 [ 353.822425] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.827261] ? smp_reschedule_interrupt+0x109/0x650 [ 353.832294] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.838177] ? interrupt_entry+0xb5/0xc0 [ 353.842245] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.847263] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.852278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.857116] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.862138] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.867169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.872014] apic_timer_interrupt+0xf/0x20 [ 353.876241] [ 353.878476] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 353.883406] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 353.903013] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.910724] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.917988] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 353.925256] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 353.932521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 353.939783] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 353.947089] skb_clone+0x1bb/0x500 [ 353.950634] ? finish_task_switch+0x2f4/0x910 [ 353.955125] ? skb_split+0x11e0/0x11e0 [ 353.959009] ? preempt_notifier_register+0x200/0x200 [ 353.964109] ? __switch_to_asm+0x34/0x70 [ 353.968168] ? __switch_to_asm+0x34/0x70 [ 353.972223] ? __switch_to_asm+0x40/0x70 [ 353.976302] ? __switch_to_asm+0x34/0x70 [ 353.980365] ? __switch_to_asm+0x40/0x70 [ 353.984452] ? __switch_to_asm+0x34/0x70 [ 353.988538] ? __switch_to_asm+0x40/0x70 [ 353.992592] ? __switch_to_asm+0x34/0x70 [ 353.996663] ? __switch_to_asm+0x34/0x70 [ 354.000718] ? __switch_to_asm+0x40/0x70 [ 354.004774] ? __switch_to_asm+0x34/0x70 [ 354.008837] bpf_clone_redirect+0xb9/0x490 [ 354.013073] ? __schedule+0x8d7/0x21d0 [ 354.016991] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 354.022043] ? __sched_text_start+0x8/0x8 [ 354.026191] ? retint_kernel+0x2d/0x2d [ 354.030105] ? trace_hardirqs_on_caller+0xc0/0x310 [ 354.035105] ? find_held_lock+0x36/0x1c0 [ 354.039190] ? lock_acquire+0x1ed/0x520 [ 354.043276] ? bpf_test_run+0x3cb/0x780 [ 354.047250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.052784] ? check_preemption_disabled+0x48/0x280 [ 354.057804] ? kasan_check_read+0x11/0x20 [ 354.061950] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.067222] ? rcu_softirq_qs+0x20/0x20 [ 354.071192] ? preempt_schedule+0x4d/0x60 [ 354.075335] ? ___preempt_schedule+0x16/0x18 [ 354.079764] ? bpf_test_run+0x25d/0x780 [ 354.083830] ? netlink_diag_dump+0x2a0/0x2a0 [ 354.088277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.093808] ? bpf_test_init.isra.10+0x70/0x100 [ 354.098487] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 354.103247] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.108087] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.113619] ? fput+0x130/0x1a0 [ 354.116905] ? __bpf_prog_get+0x9b/0x290 [ 354.120976] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.125810] ? bpf_prog_test_run+0x130/0x1a0 [ 354.130225] ? __x64_sys_bpf+0x3d8/0x520 [ 354.134281] ? bpf_prog_get+0x20/0x20 [ 354.138099] ? do_syscall_64+0x1b9/0x820 [ 354.142159] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 354.147521] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.152450] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.157464] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 354.162475] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 354.169148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.173993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.179369] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 354.179438] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.186387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.186391] Call Trace: [ 354.186400] [ 354.186422] dump_stack+0x244/0x39d [ 354.186440] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.192996] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.202294] warn_alloc.cold.116+0xb7/0x1bd [ 354.204826] syz-executor4 cpuset=syz4 mems_allowed=0 [ 354.206971] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.240455] ? lock_downgrade+0x900/0x900 [ 354.244625] ? trace_hardirqs_off+0xb8/0x310 [ 354.249032] ? trace_hardirqs_off+0xb8/0x310 [ 354.253445] __alloc_pages_slowpath+0x26e8/0x2e10 [ 354.258311] ? warn_alloc+0x120/0x120 [ 354.262111] ? print_usage_bug+0xc0/0xc0 [ 354.266166] ? warn_alloc+0x120/0x120 [ 354.269968] ? warn_alloc+0x120/0x120 [ 354.273764] ? print_usage_bug+0xc0/0xc0 [ 354.277834] ? print_usage_bug+0xc0/0xc0 [ 354.281898] ? __lock_acquire+0x62f/0x4c20 [ 354.286224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.291759] ? should_fail+0x22d/0xd01 [ 354.295646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.300743] ? __lock_acquire+0x62f/0x4c20 [ 354.304991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.310089] ? __lock_acquire+0x62f/0x4c20 [ 354.314320] ? should_fail+0x22d/0xd01 [ 354.318203] ? find_held_lock+0x36/0x1c0 [ 354.322265] ? mark_held_locks+0x130/0x130 [ 354.326513] ? mark_held_locks+0x130/0x130 [ 354.330744] ? zap_class+0x640/0x640 [ 354.334457] ? zap_class+0x640/0x640 [ 354.338169] ? print_usage_bug+0xc0/0xc0 [ 354.342225] ? do_raw_spin_unlock+0xa7/0x330 [ 354.346630] ? zap_class+0x640/0x640 [ 354.350341] ? print_usage_bug+0xc0/0xc0 [ 354.354408] ? wq_watchdog_touch+0x9c/0xfe [ 354.358641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.364177] ? check_preemption_disabled+0x48/0x280 [ 354.369208] ? __lock_is_held+0xb5/0x140 [ 354.373279] __alloc_pages_nodemask+0xa80/0xde0 [ 354.377946] ? zap_class+0x640/0x640 [ 354.381658] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.386683] ? find_held_lock+0x36/0x1c0 [ 354.390747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.395412] ? lock_downgrade+0x900/0x900 [ 354.399560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.405100] cache_grow_begin+0xa5/0x8c0 [ 354.409154] ? do_raw_spin_unlock+0xa7/0x330 [ 354.413565] fallback_alloc+0x204/0x2e0 [ 354.417542] ____cache_alloc_node+0x1c7/0x1e0 [ 354.422057] kmem_cache_alloc_node+0xe3/0x730 [ 354.426561] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.430799] __alloc_skb+0x119/0x770 [ 354.434520] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.439798] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.444216] ? lock_downgrade+0x900/0x900 [ 354.448365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.453900] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.459347] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.464793] ? addrconf_rs_timer+0x690/0x690 [ 354.469216] ndisc_alloc_skb+0x144/0x340 [ 354.473275] ndisc_send_rs+0x331/0x6e0 [ 354.477161] addrconf_rs_timer+0x314/0x690 [ 354.481394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.485632] call_timer_fn+0x272/0x920 [ 354.489604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.493850] ? process_timeout+0x40/0x40 [ 354.497913] ? mark_held_locks+0xc7/0x130 [ 354.502068] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.506559] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.511069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.515298] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.519900] ? trace_hardirqs_on+0xbd/0x310 [ 354.524218] ? kasan_check_read+0x11/0x20 [ 354.528357] ? __run_timers+0x7da/0xc70 [ 354.532358] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.537459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.541695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.545926] __run_timers+0x7e5/0xc70 [ 354.549732] ? timer_fixup_init+0x70/0x70 [ 354.553875] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.558907] ? zap_class+0x640/0x640 [ 354.562621] ? print_usage_bug+0xc0/0xc0 [ 354.566680] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 354.571874] ? find_held_lock+0x36/0x1c0 [ 354.575936] ? zap_class+0x640/0x640 [ 354.579656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.585193] ? check_preemption_disabled+0x48/0x280 [ 354.590215] ? __lock_is_held+0xb5/0x140 [ 354.594272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.599810] ? check_preemption_disabled+0x48/0x280 [ 354.604838] run_timer_softirq+0x52/0xb0 [ 354.608898] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.613913] __do_softirq+0x308/0xb7e [ 354.617712] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 354.622203] ? lock_downgrade+0x900/0x900 [ 354.626352] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 354.631456] ? pvclock_read_flags+0x160/0x160 [ 354.635951] ? lapic_next_event+0x5a/0x90 [ 354.640108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.645653] ? kvm_clock_read+0x18/0x30 [ 354.649623] ? kvm_sched_clock_read+0x9/0x20 [ 354.654026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.659563] ? check_preemption_disabled+0x48/0x280 [ 354.664582] irq_exit+0x17f/0x1c0 [ 354.668029] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.672863] ? smp_reschedule_interrupt+0x109/0x650 [ 354.677963] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.683843] ? interrupt_entry+0xb5/0xc0 [ 354.687898] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.692906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.697919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.702760] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.707777] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.712808] ? task_prio+0x50/0x50 [ 354.716348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.721895] ? check_preemption_disabled+0x48/0x280 [ 354.726932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.732305] apic_timer_interrupt+0xf/0x20 [ 354.736543] [ 354.738779] RIP: 0010:dump_stack+0x358/0x39d [ 354.743206] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 354.762101] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 354.769815] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 354.777076] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 354.784341] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 354.791610] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 354.798873] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 354.806153] ? dump_stack+0x34f/0x39d [ 354.809961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.815149] ? mark_held_locks+0x130/0x130 [ 354.819381] ? mark_held_locks+0x130/0x130 [ 354.823618] dump_header+0x27b/0xf72 [ 354.827338] ? pagefault_out_of_memory+0x197/0x197 [ 354.832268] ? __lock_acquire+0x62f/0x4c20 [ 354.836507] ? percpu_ref_get_many+0x240/0x240 [ 354.841100] ? print_usage_bug+0xc0/0xc0 [ 354.845162] ? zap_class+0x640/0x640 [ 354.848873] ? print_usage_bug+0xc0/0xc0 [ 354.852932] ? print_usage_bug+0xc0/0xc0 [ 354.856991] ? zap_class+0x640/0x640 [ 354.860705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.866256] ? find_held_lock+0x36/0x1c0 [ 354.870324] ? mark_held_locks+0xc7/0x130 [ 354.874474] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.879578] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.884678] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.889260] ? trace_hardirqs_on+0xbd/0x310 [ 354.893577] ? kasan_check_read+0x11/0x20 [ 354.897720] ? ___ratelimit+0x3b4/0x672 [ 354.901691] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.906801] ? trace_hardirqs_on+0x310/0x310 [ 354.911206] ? lock_downgrade+0x900/0x900 [ 354.915355] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.920456] ? ___ratelimit+0x3b9/0x672 [ 354.924429] ? idr_get_free+0xf70/0xf70 [ 354.928398] ? find_held_lock+0x36/0x1c0 [ 354.932465] oom_kill_process.cold.27+0x10/0x903 [ 354.937220] ? zap_class+0x640/0x640 [ 354.940934] ? check_preemption_disabled+0x48/0x280 [ 354.945963] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.950898] ? kasan_check_read+0x11/0x20 [ 354.955042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.960318] ? oom_evaluate_task+0x540/0x540 [ 354.964724] ? find_held_lock+0x36/0x1c0 [ 354.968797] ? out_of_memory+0x974/0x1430 [ 354.972945] ? lock_downgrade+0x900/0x900 [ 354.977088] ? check_preemption_disabled+0x48/0x280 [ 354.982104] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.987030] ? kasan_check_read+0x11/0x20 [ 354.991175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.996450] ? rcu_softirq_qs+0x20/0x20 [ 355.000426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.005959] ? oom_evaluate_task+0x302/0x540 [ 355.010370] out_of_memory+0xa84/0x1430 [ 355.014346] ? oom_killer_disable+0x3a0/0x3a0 [ 355.018835] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 355.023772] ? __ww_mutex_check_waiters+0x160/0x160 [ 355.028805] __alloc_pages_slowpath+0x2354/0x2e10 [ 355.033671] ? warn_alloc+0x120/0x120 [ 355.037472] ? mark_held_locks+0x130/0x130 [ 355.041711] ? find_get_entry+0xaae/0x1120 [ 355.045953] ? filemap_map_pages+0x1a20/0x1a20 [ 355.050539] ? zap_class+0x640/0x640 [ 355.054257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.059794] ? check_preemption_disabled+0x48/0x280 [ 355.064810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.070342] ? should_fail+0x22d/0xd01 [ 355.074228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.079326] ? zap_class+0x640/0x640 [ 355.083056] ? __lock_is_held+0xb5/0x140 [ 355.087122] ? mark_held_locks+0x130/0x130 [ 355.091360] ? lock_release+0xa00/0xa00 [ 355.095339] ? perf_trace_sched_process_exec+0x860/0x860 [ 355.100791] ? xa_load+0x2ba/0x460 [ 355.104328] ? lock_downgrade+0x900/0x900 [ 355.108478] ? __might_sleep+0x95/0x190 [ 355.112466] __alloc_pages_nodemask+0xa80/0xde0 [ 355.117140] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 355.122152] ? __page_cache_alloc+0x191/0x5c0 [ 355.126659] ? xa_load+0x2e1/0x460 [ 355.130196] ? xa_clear_mark+0x40/0x40 [ 355.134079] ? zap_class+0x640/0x640 [ 355.137804] ? zap_class+0x640/0x640 [ 355.141510] ? zap_class+0x640/0x640 [ 355.145219] ? __do_page_cache_readahead+0x663/0x810 [ 355.150324] ? find_held_lock+0x36/0x1c0 [ 355.154385] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 355.159921] alloc_pages_current+0x173/0x350 [ 355.164333] __page_cache_alloc+0x38c/0x5c0 [ 355.168648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.173575] ? kasan_check_read+0x11/0x20 [ 355.177720] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.183014] ? generic_perform_write+0x6a0/0x6a0 [ 355.187797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.193331] ? check_preemption_disabled+0x48/0x280 [ 355.198352] filemap_fault+0x1595/0x25f0 [ 355.202422] ? __lock_page_or_retry+0xa00/0xa00 [ 355.207262] ? mark_held_locks+0x130/0x130 [ 355.211504] ? filemap_map_pages+0xd6b/0x1a20 [ 355.215997] ? lock_downgrade+0x900/0x900 [ 355.220151] ? check_preemption_disabled+0x48/0x280 [ 355.225173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.230100] ? kasan_check_read+0x11/0x20 [ 355.234241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.239513] ? rcu_softirq_qs+0x20/0x20 [ 355.243497] ? filemap_map_pages+0xd92/0x1a20 [ 355.247999] ? find_get_entries_tag+0x1400/0x1400 [ 355.252844] ? debug_object_destroy+0x2b0/0x2b0 [ 355.257510] ? lock_pi_update_atomic+0x150/0x150 [ 355.262259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.267808] ? lock_acquire+0x1ed/0x520 [ 355.271779] ? ext4_filemap_fault+0x7a/0xad [ 355.276104] ? lock_release+0xa00/0xa00 [ 355.280072] ? perf_trace_sched_process_exec+0x860/0x860 [ 355.285519] ? print_usage_bug+0xc0/0xc0 [ 355.289576] ? print_usage_bug+0xc0/0xc0 [ 355.293648] ? down_read+0x8d/0x120 [ 355.297273] ? ext4_filemap_fault+0x7a/0xad [ 355.301590] ? __down_interruptible+0x700/0x700 [ 355.306268] ext4_filemap_fault+0x82/0xad [ 355.310416] __do_fault+0x100/0x6b0 [ 355.314043] ? pmd_devmap_trans_unstable+0x220/0x220 [ 355.319147] ? mark_held_locks+0x130/0x130 [ 355.323377] ? mark_held_locks+0x130/0x130 [ 355.327612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.333148] ? check_preemption_disabled+0x48/0x280 [ 355.338164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.343704] __handle_mm_fault+0x3ea0/0x5be0 [ 355.348125] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 355.352965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.358499] ? __fpu__restore_sig+0x62f/0x1680 [ 355.363100] ? zap_class+0x640/0x640 [ 355.366809] ? zap_class+0x640/0x640 [ 355.370517] ? __x64_sys_futex+0x53e/0x6a0 [ 355.375449] ? find_held_lock+0x36/0x1c0 [ 355.379516] ? handle_mm_fault+0x42a/0xc70 [ 355.383763] ? lock_downgrade+0x900/0x900 [ 355.387918] ? check_preemption_disabled+0x48/0x280 [ 355.392948] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.397876] ? kasan_check_read+0x11/0x20 [ 355.402112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.407388] ? rcu_softirq_qs+0x20/0x20 [ 355.411360] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.416463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.422006] ? check_preemption_disabled+0x48/0x280 [ 355.427027] handle_mm_fault+0x54f/0xc70 [ 355.431086] ? __handle_mm_fault+0x5be0/0x5be0 [ 355.435683] ? find_vma+0x34/0x190 [ 355.439227] __do_page_fault+0x5e8/0xe60 [ 355.443282] ? trace_hardirqs_off+0xb8/0x310 [ 355.447689] ? exit_to_usermode_loop+0x1f4/0x380 [ 355.452454] do_page_fault+0xf2/0x7e0 [ 355.456248] ? vmalloc_sync_all+0x30/0x30 [ 355.460390] ? error_entry+0x70/0xd0 [ 355.464101] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.469109] ? trace_hardirqs_on_caller+0xc0/0x310 [ 355.474037] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.478959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.483803] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.488817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.494267] ? prepare_exit_to_usermode+0x291/0x3b0 [ 355.499276] ? page_fault+0x8/0x30 [ 355.502821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.507660] ? page_fault+0x8/0x30 [ 355.511200] page_fault+0x1e/0x30 [ 355.514648] RIP: 0033:0x45ddf3 [ 355.517853] Code: Bad RIP value. [ 355.521212] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 355.526568] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 355.533829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 355.541096] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 355.548363] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 355.555628] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 355.562917] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 355.562922] warn_alloc_show_mem: 1 callbacks suppressed [ 355.562929] Mem-Info: [ 355.570282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.575643] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 355.575643] active_file:14 inactive_file:13 isolated_file:0 [ 355.575643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.575643] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 355.575643] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 355.575643] free:13747 free_pcp:512 free_cma:0 [ 355.578009] Call Trace: [ 355.587403] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.620246] [ 355.622823] 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 [ 355.650325] dump_stack+0x244/0x39d [ 355.652453] lowmem_reserve[]: 0 2818 6321 6321 [ 355.678561] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.682170] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 355.686753] warn_alloc.cold.116+0xb7/0x1bd [ 355.691898] lowmem_reserve[]: 0 0 3503 3503 [ 355.719224] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.723515] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 355.727841] ? lock_downgrade+0x900/0x900 [ 355.732652] lowmem_reserve[]: 0 0 0 0 [ 355.761620] ? trace_hardirqs_off+0xb8/0x310 [ 355.765739] 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 [ 355.769535] ? trace_hardirqs_off+0xb8/0x310 [ 355.773914] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 355.787440] __alloc_pages_slowpath+0x26e8/0x2e10 [ 355.791817] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 355.807099] ? warn_alloc+0x120/0x120 [ 355.811914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.826287] ? print_usage_bug+0xc0/0xc0 [ 355.830072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.838903] ? warn_alloc+0x120/0x120 [ 355.842936] 165 total pagecache pages [ 355.851500] ? warn_alloc+0x120/0x120 [ 355.855280] 0 pages in swap cache [ 355.859063] ? print_usage_bug+0xc0/0xc0 [ 355.862838] Swap cache stats: add 0, delete 0, find 0/0 [ 355.866275] ? kvm_clock_read+0x18/0x30 [ 355.870311] Free swap = 0kB [ 355.875661] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.879604] Total swap = 0kB [ 355.882609] ? print_usage_bug+0xc0/0xc0 [ 355.887607] 1965979 pages RAM [ 355.890615] ? __lock_acquire+0x62f/0x4c20 [ 355.894640] 0 pages HighMem/MovableOnly [ 355.894648] 342855 pages reserved [ 355.898730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.902933] 0 pages cma reserved [ 355.907072] ? should_fail+0x22d/0xd01 [ 355.910556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.916019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.916036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.916053] ? __lock_acquire+0x62f/0x4c20 [ 355.919514] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.923275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.923291] ? __lock_acquire+0x62f/0x4c20 [ 355.929895] syz-fuzzer cpuset=/ mems_allowed=0 [ 355.935152] ? should_fail+0x22d/0xd01 [ 355.935166] ? rcu_irq_exit+0x1a2/0x390 [ 355.976435] ? mark_held_locks+0x130/0x130 [ 355.980675] ? mark_held_locks+0x130/0x130 [ 355.984914] ? mark_held_locks+0xc7/0x130 [ 355.989057] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 355.994090] ? zap_class+0x640/0x640 [ 355.997796] ? print_usage_bug+0xc0/0xc0 [ 356.001855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.007388] ? check_preemption_disabled+0x48/0x280 [ 356.012409] ? __lock_is_held+0xb5/0x140 [ 356.016475] __alloc_pages_nodemask+0xa80/0xde0 [ 356.021140] ? zap_class+0x640/0x640 [ 356.024854] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.029891] ? find_held_lock+0x36/0x1c0 [ 356.033961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.038624] ? lock_downgrade+0x900/0x900 [ 356.042772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.048308] cache_grow_begin+0xa5/0x8c0 [ 356.052362] ? do_raw_spin_unlock+0xa7/0x330 [ 356.056776] fallback_alloc+0x204/0x2e0 [ 356.060750] ____cache_alloc_node+0x1c7/0x1e0 [ 356.065245] kmem_cache_alloc_node+0xe3/0x730 [ 356.069735] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.073975] __alloc_skb+0x119/0x770 [ 356.077687] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.082963] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.087371] ? lock_downgrade+0x900/0x900 [ 356.091519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.097049] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.102498] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.107940] ? addrconf_rs_timer+0x690/0x690 [ 356.112353] ndisc_alloc_skb+0x144/0x340 [ 356.116413] ndisc_send_rs+0x331/0x6e0 [ 356.120300] addrconf_rs_timer+0x314/0x690 [ 356.124536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.128777] call_timer_fn+0x272/0x920 [ 356.132678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.136910] ? process_timeout+0x40/0x40 [ 356.140970] ? __run_timers+0x7da/0xc70 [ 356.144942] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.149436] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.153922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.158153] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.162735] ? trace_hardirqs_on+0xbd/0x310 [ 356.167149] ? kasan_check_read+0x11/0x20 [ 356.171296] ? __run_timers+0x7da/0xc70 [ 356.175270] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.180372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.184609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.188839] __run_timers+0x7e5/0xc70 [ 356.192642] ? timer_fixup_init+0x70/0x70 [ 356.196792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.201807] ? zap_class+0x640/0x640 [ 356.205520] ? enqueue_hrtimer+0x1a5/0x560 [ 356.209754] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.214945] ? find_held_lock+0x36/0x1c0 [ 356.219009] ? zap_class+0x640/0x640 [ 356.222723] ? pvclock_read_flags+0x160/0x160 [ 356.227213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.232747] ? check_preemption_disabled+0x48/0x280 [ 356.237769] ? __lock_is_held+0xb5/0x140 [ 356.241825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.247366] ? check_preemption_disabled+0x48/0x280 [ 356.252384] run_timer_softirq+0x52/0xb0 [ 356.256440] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.261452] __do_softirq+0x308/0xb7e [ 356.265252] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 356.269742] ? lock_downgrade+0x900/0x900 [ 356.273893] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.279002] ? pvclock_read_flags+0x160/0x160 [ 356.283495] ? lapic_next_event+0x5a/0x90 [ 356.287648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.293191] ? kvm_clock_read+0x18/0x30 [ 356.297160] ? kvm_sched_clock_read+0x9/0x20 [ 356.301574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.307108] ? check_preemption_disabled+0x48/0x280 [ 356.312149] irq_exit+0x17f/0x1c0 [ 356.315600] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.320437] ? smp_reschedule_interrupt+0x109/0x650 [ 356.325447] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.331330] ? interrupt_entry+0xb5/0xc0 [ 356.335401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.340410] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.345427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.350266] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.355280] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.360306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.365150] apic_timer_interrupt+0xf/0x20 [ 356.369377] [ 356.371609] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 356.376545] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 356.395440] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 356.403140] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 356.410404] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 356.417668] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 356.424929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 356.432204] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 356.439513] skb_clone+0x1bb/0x500 [ 356.443052] ? finish_task_switch+0x2f4/0x910 [ 356.447546] ? skb_split+0x11e0/0x11e0 [ 356.451430] ? preempt_notifier_register+0x200/0x200 [ 356.456530] ? __switch_to_asm+0x34/0x70 [ 356.460586] ? __switch_to_asm+0x34/0x70 [ 356.464653] ? __switch_to_asm+0x40/0x70 [ 356.468709] ? __switch_to_asm+0x34/0x70 [ 356.472770] ? __switch_to_asm+0x40/0x70 [ 356.476826] ? __switch_to_asm+0x34/0x70 [ 356.480883] ? __switch_to_asm+0x40/0x70 [ 356.484937] ? __switch_to_asm+0x34/0x70 [ 356.488993] ? __switch_to_asm+0x34/0x70 [ 356.493056] ? __switch_to_asm+0x40/0x70 [ 356.497114] ? __switch_to_asm+0x34/0x70 [ 356.501181] bpf_clone_redirect+0xb9/0x490 [ 356.505415] ? __schedule+0x8d7/0x21d0 [ 356.509302] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 356.514324] ? __sched_text_start+0x8/0x8 [ 356.518472] ? retint_kernel+0x2d/0x2d [ 356.522362] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.527295] ? find_held_lock+0x36/0x1c0 [ 356.531361] ? lock_acquire+0x1ed/0x520 [ 356.535330] ? bpf_test_run+0x3cb/0x780 [ 356.539299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.544830] ? check_preemption_disabled+0x48/0x280 [ 356.549850] ? kasan_check_read+0x11/0x20 [ 356.553991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.559263] ? rcu_softirq_qs+0x20/0x20 [ 356.563232] ? preempt_schedule+0x4d/0x60 [ 356.567375] ? ___preempt_schedule+0x16/0x18 [ 356.571784] ? bpf_test_run+0x25d/0x780 [ 356.575762] ? netlink_diag_dump+0x2a0/0x2a0 [ 356.580170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.585700] ? bpf_test_init.isra.10+0x70/0x100 [ 356.590369] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 356.595133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.599980] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.605516] ? fput+0x130/0x1a0 [ 356.608792] ? __bpf_prog_get+0x9b/0x290 [ 356.612854] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.617690] ? bpf_prog_test_run+0x130/0x1a0 [ 356.622095] ? __x64_sys_bpf+0x3d8/0x520 [ 356.626158] ? bpf_prog_get+0x20/0x20 [ 356.629972] ? do_syscall_64+0x1b9/0x820 [ 356.634028] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 356.639391] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.644320] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.649331] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 356.654348] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 356.661021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.665868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.671247] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 356.671310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.678257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.678262] Call Trace: [ 356.678267] [ 356.678284] dump_stack+0x244/0x39d [ 356.678302] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.684836] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.694122] warn_alloc.cold.116+0xb7/0x1bd [ 356.696671] syz-executor4 cpuset=syz4 mems_allowed=0 [ 356.698812] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.733801] ? lock_downgrade+0x900/0x900 [ 356.737957] ? trace_hardirqs_off+0xb8/0x310 [ 356.742369] ? trace_hardirqs_off+0xb8/0x310 [ 356.746784] __alloc_pages_slowpath+0x26e8/0x2e10 [ 356.751659] ? warn_alloc+0x120/0x120 [ 356.755456] ? find_held_lock+0x36/0x1c0 [ 356.759511] ? warn_alloc+0x120/0x120 [ 356.763314] ? warn_alloc+0x120/0x120 [ 356.767112] ? print_usage_bug+0xc0/0xc0 [ 356.771175] ? print_usage_bug+0xc0/0xc0 [ 356.775233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.780513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.786045] ? should_fail+0x22d/0xd01 [ 356.789931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.795031] ? __lock_acquire+0x62f/0x4c20 [ 356.799265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.804360] ? __lock_acquire+0x62f/0x4c20 [ 356.808588] ? should_fail+0x22d/0xd01 [ 356.812490] ? mark_held_locks+0x130/0x130 [ 356.816745] ? mark_held_locks+0x130/0x130 [ 356.820981] ? __lock_acquire+0x62f/0x4c20 [ 356.825209] ? zap_class+0x640/0x640 [ 356.828914] ? enqueue_entity+0x34b/0x20a0 [ 356.833145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.838676] ? check_preemption_disabled+0x48/0x280 [ 356.843699] ? __lock_is_held+0xb5/0x140 [ 356.847760] __alloc_pages_nodemask+0xa80/0xde0 [ 356.852424] ? zap_class+0x640/0x640 [ 356.856138] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.861164] ? find_held_lock+0x36/0x1c0 [ 356.865228] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.869896] ? lock_downgrade+0x900/0x900 [ 356.874044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.879583] cache_grow_begin+0xa5/0x8c0 [ 356.883655] ? do_raw_spin_unlock+0xa7/0x330 [ 356.888065] fallback_alloc+0x204/0x2e0 [ 356.892045] ____cache_alloc_node+0x1c7/0x1e0 [ 356.896540] kmem_cache_alloc_node+0xe3/0x730 [ 356.901026] ? do_raw_spin_unlock+0xa7/0x330 [ 356.905431] ? do_raw_spin_trylock+0x270/0x270 [ 356.910015] __alloc_skb+0x119/0x770 [ 356.913727] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.918130] ? atomic_notifier_call_chain+0xc6/0x190 [ 356.923230] ? lock_downgrade+0x900/0x900 [ 356.927373] ? check_preemption_disabled+0x48/0x280 [ 356.932387] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.937314] ? kasan_check_read+0x11/0x20 [ 356.941456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.946727] ? rcu_softirq_qs+0x20/0x20 [ 356.950694] ? kasan_check_read+0x11/0x20 [ 356.954839] ? do_raw_write_trylock+0x270/0x270 [ 356.959518] __neigh_notify+0x8c/0x160 [ 356.963402] ? neigh_connected_output+0x780/0x780 [ 356.968242] neigh_timer_handler+0x6cb/0xdf0 [ 356.972645] ? check_preemption_disabled+0x48/0x280 [ 356.977666] ? neigh_periodic_work+0xc60/0xc60 [ 356.982243] ? __lock_is_held+0xb5/0x140 [ 356.986310] call_timer_fn+0x272/0x920 [ 356.990192] ? neigh_periodic_work+0xc60/0xc60 [ 356.994768] ? process_timeout+0x40/0x40 [ 356.998836] ? mark_held_locks+0xc7/0x130 [ 357.002985] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.007476] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.011966] ? neigh_periodic_work+0xc60/0xc60 [ 357.016544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 357.021125] ? trace_hardirqs_on+0xbd/0x310 [ 357.025438] ? kasan_check_read+0x11/0x20 [ 357.029584] ? __run_timers+0x7da/0xc70 [ 357.033557] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.038672] ? neigh_periodic_work+0xc60/0xc60 [ 357.043244] __run_timers+0x7e5/0xc70 [ 357.047050] ? timer_fixup_init+0x70/0x70 [ 357.051197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 357.056209] ? zap_class+0x640/0x640 [ 357.059923] ? print_usage_bug+0xc0/0xc0 [ 357.063979] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 357.069171] ? find_held_lock+0x36/0x1c0 [ 357.073231] ? zap_class+0x640/0x640 [ 357.076943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.082477] ? check_preemption_disabled+0x48/0x280 [ 357.087503] ? __lock_is_held+0xb5/0x140 [ 357.091558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.097101] ? check_preemption_disabled+0x48/0x280 [ 357.102119] run_timer_softirq+0x52/0xb0 [ 357.106175] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.111185] __do_softirq+0x308/0xb7e [ 357.114982] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 357.119472] ? lock_downgrade+0x900/0x900 [ 357.123626] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.128732] ? pvclock_read_flags+0x160/0x160 [ 357.134004] ? lapic_next_event+0x5a/0x90 [ 357.138150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.143686] ? kvm_clock_read+0x18/0x30 [ 357.147658] ? kvm_sched_clock_read+0x9/0x20 [ 357.152066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.157602] ? check_preemption_disabled+0x48/0x280 [ 357.162625] irq_exit+0x17f/0x1c0 [ 357.166076] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.170911] ? smp_reschedule_interrupt+0x109/0x650 [ 357.175924] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.181830] ? interrupt_entry+0xb5/0xc0 [ 357.185903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.190914] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.195929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.200766] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.205773] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.210785] ? task_prio+0x50/0x50 [ 357.214321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.219854] ? check_preemption_disabled+0x48/0x280 [ 357.224871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.229729] apic_timer_interrupt+0xf/0x20 [ 357.233952] [ 357.236189] RIP: 0010:dump_stack+0x358/0x39d [ 357.240598] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 357.259495] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 357.267200] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 357.274463] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 357.281738] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 357.288998] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 357.296264] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 357.303544] ? dump_stack+0x34f/0x39d [ 357.307364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.312561] ? mark_held_locks+0x130/0x130 [ 357.316796] ? mark_held_locks+0x130/0x130 [ 357.321030] dump_header+0x27b/0xf72 [ 357.324752] ? pagefault_out_of_memory+0x197/0x197 [ 357.329742] ? __lock_acquire+0x62f/0x4c20 [ 357.333974] ? percpu_ref_get_many+0x240/0x240 [ 357.338561] ? print_usage_bug+0xc0/0xc0 [ 357.342623] ? zap_class+0x640/0x640 [ 357.346336] ? print_usage_bug+0xc0/0xc0 [ 357.350389] ? print_usage_bug+0xc0/0xc0 [ 357.354445] ? zap_class+0x640/0x640 [ 357.358156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.363698] ? find_held_lock+0x36/0x1c0 [ 357.367765] ? mark_held_locks+0xc7/0x130 [ 357.371916] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 357.377014] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 357.382110] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 357.386691] ? trace_hardirqs_on+0xbd/0x310 [ 357.391007] ? kasan_check_read+0x11/0x20 [ 357.395148] ? ___ratelimit+0x3b4/0x672 [ 357.399119] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.404218] ? trace_hardirqs_on+0x310/0x310 [ 357.408620] ? lock_downgrade+0x900/0x900 [ 357.412767] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.417866] ? ___ratelimit+0x3b9/0x672 [ 357.421837] ? idr_get_free+0xf70/0xf70 [ 357.425805] ? find_held_lock+0x36/0x1c0 [ 357.429869] oom_kill_process.cold.27+0x10/0x903 [ 357.434619] ? zap_class+0x640/0x640 [ 357.438331] ? check_preemption_disabled+0x48/0x280 [ 357.443346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.448267] ? kasan_check_read+0x11/0x20 [ 357.452408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.457680] ? oom_evaluate_task+0x540/0x540 [ 357.462089] ? find_held_lock+0x36/0x1c0 [ 357.466150] ? out_of_memory+0x974/0x1430 [ 357.470298] ? lock_downgrade+0x900/0x900 [ 357.474442] ? check_preemption_disabled+0x48/0x280 [ 357.479454] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.484380] ? kasan_check_read+0x11/0x20 [ 357.488522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.493806] ? rcu_softirq_qs+0x20/0x20 [ 357.497779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.503308] ? oom_evaluate_task+0x302/0x540 [ 357.507713] out_of_memory+0xa84/0x1430 [ 357.511694] ? oom_killer_disable+0x3a0/0x3a0 [ 357.516189] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 357.521116] ? __ww_mutex_check_waiters+0x160/0x160 [ 357.526137] __alloc_pages_slowpath+0x2354/0x2e10 [ 357.530999] ? warn_alloc+0x120/0x120 [ 357.534793] ? mark_held_locks+0x130/0x130 [ 357.539026] ? find_get_entry+0xaae/0x1120 [ 357.543263] ? filemap_map_pages+0x1a20/0x1a20 [ 357.547848] ? zap_class+0x640/0x640 [ 357.551571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.557104] ? check_preemption_disabled+0x48/0x280 [ 357.562113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.567649] ? should_fail+0x22d/0xd01 [ 357.571543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.576646] ? zap_class+0x640/0x640 [ 357.580374] ? __lock_is_held+0xb5/0x140 [ 357.584439] ? mark_held_locks+0x130/0x130 [ 357.588672] ? lock_release+0xa00/0xa00 [ 357.592645] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.598100] ? xa_load+0x2ba/0x460 [ 357.601643] ? lock_downgrade+0x900/0x900 [ 357.605794] ? __might_sleep+0x95/0x190 [ 357.609767] __alloc_pages_nodemask+0xa80/0xde0 [ 357.614439] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 357.619449] ? __page_cache_alloc+0x191/0x5c0 [ 357.623935] ? xa_load+0x2e1/0x460 [ 357.627473] ? xa_clear_mark+0x40/0x40 [ 357.631358] ? zap_class+0x640/0x640 [ 357.635079] ? zap_class+0x640/0x640 [ 357.638785] ? zap_class+0x640/0x640 [ 357.642493] ? __do_page_cache_readahead+0x663/0x810 [ 357.647606] ? find_held_lock+0x36/0x1c0 [ 357.651666] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 357.657203] alloc_pages_current+0x173/0x350 [ 357.661632] __page_cache_alloc+0x38c/0x5c0 [ 357.665953] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.670875] ? kasan_check_read+0x11/0x20 [ 357.675017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.680295] ? generic_perform_write+0x6a0/0x6a0 [ 357.685048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.690581] ? check_preemption_disabled+0x48/0x280 [ 357.695604] filemap_fault+0x1595/0x25f0 [ 357.699672] ? __lock_page_or_retry+0xa00/0xa00 [ 357.704336] ? mark_held_locks+0x130/0x130 [ 357.708578] ? filemap_map_pages+0xd6b/0x1a20 [ 357.713070] ? lock_downgrade+0x900/0x900 [ 357.717212] ? check_preemption_disabled+0x48/0x280 [ 357.722227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.727150] ? kasan_check_read+0x11/0x20 [ 357.731296] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.736567] ? rcu_softirq_qs+0x20/0x20 [ 357.740556] ? filemap_map_pages+0xd92/0x1a20 [ 357.745062] ? find_get_entries_tag+0x1400/0x1400 [ 357.749902] ? debug_object_destroy+0x2b0/0x2b0 [ 357.754569] ? lock_pi_update_atomic+0x150/0x150 [ 357.759317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.764860] ? lock_acquire+0x1ed/0x520 [ 357.768829] ? ext4_filemap_fault+0x7a/0xad [ 357.773150] ? lock_release+0xa00/0xa00 [ 357.777136] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.782583] ? print_usage_bug+0xc0/0xc0 [ 357.786644] ? print_usage_bug+0xc0/0xc0 [ 357.790713] ? down_read+0x8d/0x120 [ 357.794332] ? ext4_filemap_fault+0x7a/0xad [ 357.798663] ? __down_interruptible+0x700/0x700 [ 357.803346] ext4_filemap_fault+0x82/0xad [ 357.807490] __do_fault+0x100/0x6b0 [ 357.811120] ? pmd_devmap_trans_unstable+0x220/0x220 [ 357.816222] ? mark_held_locks+0x130/0x130 [ 357.820453] ? mark_held_locks+0x130/0x130 [ 357.824689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.830221] ? check_preemption_disabled+0x48/0x280 [ 357.835240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.840776] __handle_mm_fault+0x3ea0/0x5be0 [ 357.845201] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 357.850043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.855584] ? __fpu__restore_sig+0x62f/0x1680 [ 357.860181] ? zap_class+0x640/0x640 [ 357.863891] ? zap_class+0x640/0x640 [ 357.867602] ? __x64_sys_futex+0x53e/0x6a0 [ 357.871842] ? find_held_lock+0x36/0x1c0 [ 357.875920] ? handle_mm_fault+0x42a/0xc70 [ 357.880150] ? lock_downgrade+0x900/0x900 [ 357.884295] ? check_preemption_disabled+0x48/0x280 [ 357.889311] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.894235] ? kasan_check_read+0x11/0x20 [ 357.898841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.904128] ? rcu_softirq_qs+0x20/0x20 [ 357.908095] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.913199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.918736] ? check_preemption_disabled+0x48/0x280 [ 357.923754] handle_mm_fault+0x54f/0xc70 [ 357.927816] ? __handle_mm_fault+0x5be0/0x5be0 [ 357.932582] ? find_vma+0x34/0x190 [ 357.936121] __do_page_fault+0x5e8/0xe60 [ 357.940175] ? trace_hardirqs_off+0xb8/0x310 [ 357.944839] ? exit_to_usermode_loop+0x1f4/0x380 [ 357.949597] do_page_fault+0xf2/0x7e0 [ 357.953393] ? vmalloc_sync_all+0x30/0x30 [ 357.957541] ? error_entry+0x70/0xd0 [ 357.961251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.966265] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.971189] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.976110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.980948] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.985956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.991405] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.996415] ? page_fault+0x8/0x30 [ 357.999955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.004796] ? page_fault+0x8/0x30 [ 358.008331] page_fault+0x1e/0x30 [ 358.011775] RIP: 0033:0x45ddf3 [ 358.014972] Code: Bad RIP value. [ 358.018327] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 358.023683] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 358.030949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 358.038210] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 358.045474] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 358.052747] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 358.060035] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 358.060046] warn_alloc_show_mem: 1 callbacks suppressed [ 358.060050] Mem-Info: [ 358.067396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.072768] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 358.072768] active_file:14 inactive_file:13 isolated_file:0 [ 358.072768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.072768] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 358.072768] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 358.072768] free:13747 free_pcp:512 free_cma:0 [ 358.075141] Call Trace: [ 358.084525] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.117363] [ 358.119925] 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 [ 358.147415] dump_stack+0x244/0x39d [ 358.149535] lowmem_reserve[]: 0 2818 6321 6321 [ 358.175637] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.179235] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 358.183904] warn_alloc.cold.116+0xb7/0x1bd [ 358.189055] lowmem_reserve[]: 0 0 3503 3503 [ 358.216374] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.220669] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 358.224987] ? lock_downgrade+0x900/0x900 [ 358.229791] lowmem_reserve[]: 0 0 0 0 [ 358.258767] ? trace_hardirqs_off+0xb8/0x310 [ 358.262882] 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 [ 358.266673] ? trace_hardirqs_off+0xb8/0x310 [ 358.271046] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 358.284577] __alloc_pages_slowpath+0x26e8/0x2e10 [ 358.288952] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 358.304226] ? warn_alloc+0x120/0x120 [ 358.309023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.323395] ? print_usage_bug+0xc0/0xc0 [ 358.327171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.335997] ? warn_alloc+0x120/0x120 [ 358.340026] 165 total pagecache pages [ 358.348591] ? warn_alloc+0x120/0x120 [ 358.352372] 0 pages in swap cache [ 358.356151] ? print_usage_bug+0xc0/0xc0 [ 358.359922] Swap cache stats: add 0, delete 0, find 0/0 [ 358.363362] ? kvm_clock_read+0x18/0x30 [ 358.367395] Free swap = 0kB [ 358.372747] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 358.376684] Total swap = 0kB [ 358.376691] 1965979 pages RAM [ 358.379697] ? print_usage_bug+0xc0/0xc0 [ 358.384682] 0 pages HighMem/MovableOnly [ 358.384689] 342855 pages reserved [ 358.387696] ? __lock_acquire+0x62f/0x4c20 [ 358.390775] 0 pages cma reserved [ 358.394831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.398952] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.402217] ? should_fail+0x22d/0xd01 [ 358.406421] syz-fuzzer cpuset=/ mems_allowed=0 [ 358.409770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.409787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.444325] ? __lock_acquire+0x62f/0x4c20 [ 358.448557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.453652] ? __lock_acquire+0x62f/0x4c20 [ 358.457883] ? should_fail+0x22d/0xd01 [ 358.461766] ? rcu_irq_exit+0x1a2/0x390 [ 358.465743] ? mark_held_locks+0x130/0x130 [ 358.469983] ? mark_held_locks+0x130/0x130 [ 358.474231] ? mark_held_locks+0xc7/0x130 [ 358.478375] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 358.483389] ? zap_class+0x640/0x640 [ 358.487097] ? print_usage_bug+0xc0/0xc0 [ 358.491160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.496693] ? check_preemption_disabled+0x48/0x280 [ 358.501715] ? __lock_is_held+0xb5/0x140 [ 358.505778] __alloc_pages_nodemask+0xa80/0xde0 [ 358.510450] ? zap_class+0x640/0x640 [ 358.514168] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.519192] ? find_held_lock+0x36/0x1c0 [ 358.523261] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.527927] ? lock_downgrade+0x900/0x900 [ 358.532081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.537617] cache_grow_begin+0xa5/0x8c0 [ 358.541675] ? do_raw_spin_unlock+0xa7/0x330 [ 358.546088] fallback_alloc+0x204/0x2e0 [ 358.550065] ____cache_alloc_node+0x1c7/0x1e0 [ 358.554561] kmem_cache_alloc_node+0xe3/0x730 [ 358.559051] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.563291] __alloc_skb+0x119/0x770 [ 358.567173] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.572454] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.576859] ? lock_downgrade+0x900/0x900 [ 358.581009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.586540] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.591992] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.597449] ? addrconf_rs_timer+0x690/0x690 [ 358.601864] ndisc_alloc_skb+0x144/0x340 [ 358.605923] ndisc_send_rs+0x331/0x6e0 [ 358.609811] addrconf_rs_timer+0x314/0x690 [ 358.614045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.618284] call_timer_fn+0x272/0x920 [ 358.622166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.626393] ? process_timeout+0x40/0x40 [ 358.630469] ? __run_timers+0x7da/0xc70 [ 358.634452] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.638942] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.643440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.647678] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.652259] ? trace_hardirqs_on+0xbd/0x310 [ 358.656577] ? kasan_check_read+0x11/0x20 [ 358.660720] ? __run_timers+0x7da/0xc70 [ 358.664688] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.669788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.674021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.678252] __run_timers+0x7e5/0xc70 [ 358.682056] ? timer_fixup_init+0x70/0x70 [ 358.686200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.691212] ? zap_class+0x640/0x640 [ 358.694923] ? enqueue_hrtimer+0x1a5/0x560 [ 358.699166] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.704359] ? find_held_lock+0x36/0x1c0 [ 358.708429] ? zap_class+0x640/0x640 [ 358.712142] ? pvclock_read_flags+0x160/0x160 [ 358.716639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.722175] ? check_preemption_disabled+0x48/0x280 [ 358.727656] ? __lock_is_held+0xb5/0x140 [ 358.731718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.737252] ? check_preemption_disabled+0x48/0x280 [ 358.742266] run_timer_softirq+0x52/0xb0 [ 358.746326] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.751336] __do_softirq+0x308/0xb7e [ 358.755134] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 358.759627] ? lock_downgrade+0x900/0x900 [ 358.763772] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.768877] ? pvclock_read_flags+0x160/0x160 [ 358.773372] ? lapic_next_event+0x5a/0x90 [ 358.777520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.783057] ? kvm_clock_read+0x18/0x30 [ 358.787028] ? kvm_sched_clock_read+0x9/0x20 [ 358.791439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.796972] ? check_preemption_disabled+0x48/0x280 [ 358.801993] irq_exit+0x17f/0x1c0 [ 358.805448] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.810287] ? smp_reschedule_interrupt+0x109/0x650 [ 358.815300] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.821182] ? interrupt_entry+0xb5/0xc0 [ 358.825240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.830248] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.835263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.840112] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.845124] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.850145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.854992] apic_timer_interrupt+0xf/0x20 [ 358.859225] [ 358.861460] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.866387] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 358.885294] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 358.892995] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.900264] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 358.907527] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 358.914786] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.922050] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 358.929351] skb_clone+0x1bb/0x500 [ 358.932889] ? finish_task_switch+0x2f4/0x910 [ 358.937383] ? skb_split+0x11e0/0x11e0 [ 358.941274] ? preempt_notifier_register+0x200/0x200 [ 358.946378] ? __switch_to_asm+0x34/0x70 [ 358.950445] ? __switch_to_asm+0x34/0x70 [ 358.954504] ? __switch_to_asm+0x40/0x70 [ 358.958559] ? __switch_to_asm+0x34/0x70 [ 358.962614] ? __switch_to_asm+0x40/0x70 [ 358.966668] ? __switch_to_asm+0x34/0x70 [ 358.970736] ? __switch_to_asm+0x40/0x70 [ 358.974790] ? __switch_to_asm+0x34/0x70 [ 358.978846] ? __switch_to_asm+0x34/0x70 [ 358.982907] ? __switch_to_asm+0x40/0x70 [ 358.986971] ? __switch_to_asm+0x34/0x70 [ 358.991032] bpf_clone_redirect+0xb9/0x490 [ 358.995262] ? __schedule+0x8d7/0x21d0 [ 358.999149] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 359.004161] ? __sched_text_start+0x8/0x8 [ 359.008308] ? retint_kernel+0x2d/0x2d [ 359.012190] ? trace_hardirqs_on_caller+0xc0/0x310 [ 359.017125] ? find_held_lock+0x36/0x1c0 [ 359.021191] ? lock_acquire+0x1ed/0x520 [ 359.025161] ? bpf_test_run+0x3cb/0x780 [ 359.029129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.034673] ? check_preemption_disabled+0x48/0x280 [ 359.039693] ? kasan_check_read+0x11/0x20 [ 359.043837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.049108] ? rcu_softirq_qs+0x20/0x20 [ 359.053078] ? preempt_schedule+0x4d/0x60 [ 359.057221] ? ___preempt_schedule+0x16/0x18 [ 359.061630] ? bpf_test_run+0x25d/0x780 [ 359.065610] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.070015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.075549] ? bpf_test_init.isra.10+0x70/0x100 [ 359.080216] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 359.084979] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.089815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.095345] ? fput+0x130/0x1a0 [ 359.098620] ? __bpf_prog_get+0x9b/0x290 [ 359.102684] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.107518] ? bpf_prog_test_run+0x130/0x1a0 [ 359.111928] ? __x64_sys_bpf+0x3d8/0x520 [ 359.115987] ? bpf_prog_get+0x20/0x20 [ 359.119801] ? do_syscall_64+0x1b9/0x820 [ 359.123858] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.129216] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.134156] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.139172] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.144184] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 359.150856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.155701] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.161077] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 359.161142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.168084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.168089] Call Trace: [ 359.168095] [ 359.168111] dump_stack+0x244/0x39d [ 359.168130] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.174681] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.183954] warn_alloc.cold.116+0xb7/0x1bd [ 359.186509] syz-executor4 cpuset=syz4 mems_allowed=0 [ 359.188650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.222411] ? lock_downgrade+0x900/0x900 [ 359.226582] ? trace_hardirqs_off+0xb8/0x310 [ 359.230994] ? trace_hardirqs_off+0xb8/0x310 [ 359.235417] __alloc_pages_slowpath+0x26e8/0x2e10 [ 359.240281] ? warn_alloc+0x120/0x120 [ 359.244171] ? warn_alloc+0x120/0x120 [ 359.247971] ? warn_alloc+0x120/0x120 [ 359.251766] ? print_usage_bug+0xc0/0xc0 [ 359.255822] ? enqueue_hrtimer+0x1a5/0x560 [ 359.260053] ? print_usage_bug+0xc0/0xc0 [ 359.264110] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.269304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.274851] ? should_fail+0x22d/0xd01 [ 359.278738] ? __lock_acquire+0x62f/0x4c20 [ 359.282972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.288071] ? __lock_acquire+0x62f/0x4c20 [ 359.292315] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.297414] ? __lock_acquire+0x62f/0x4c20 [ 359.301661] ? should_fail+0x22d/0xd01 [ 359.305553] ? mark_held_locks+0x130/0x130 [ 359.309785] ? mark_held_locks+0x130/0x130 [ 359.314019] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 359.319032] ? ktime_get+0x2c1/0x400 [ 359.322741] ? zap_class+0x640/0x640 [ 359.326458] ? print_usage_bug+0xc0/0xc0 [ 359.330533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.336066] ? check_preemption_disabled+0x48/0x280 [ 359.341085] ? __lock_is_held+0xb5/0x140 [ 359.345149] __alloc_pages_nodemask+0xa80/0xde0 [ 359.349817] ? zap_class+0x640/0x640 [ 359.353544] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.358568] ? find_held_lock+0x36/0x1c0 [ 359.362637] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.367325] ? lock_downgrade+0x900/0x900 [ 359.371475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.377012] cache_grow_begin+0xa5/0x8c0 [ 359.381072] ? do_raw_spin_unlock+0xa7/0x330 [ 359.385487] fallback_alloc+0x204/0x2e0 [ 359.389465] ____cache_alloc_node+0x1c7/0x1e0 [ 359.393959] kmem_cache_alloc_node+0xe3/0x730 [ 359.398480] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.402725] __alloc_skb+0x119/0x770 [ 359.406432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.411711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.416113] ? lock_downgrade+0x900/0x900 [ 359.420266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.425811] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.431261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.436706] ? addrconf_rs_timer+0x690/0x690 [ 359.441130] ndisc_alloc_skb+0x144/0x340 [ 359.445190] ndisc_send_rs+0x331/0x6e0 [ 359.449087] addrconf_rs_timer+0x314/0x690 [ 359.453324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.457572] call_timer_fn+0x272/0x920 [ 359.461459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.465691] ? process_timeout+0x40/0x40 [ 359.469759] ? mark_held_locks+0xc7/0x130 [ 359.473911] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.478406] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.482896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.487135] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.491714] ? trace_hardirqs_on+0xbd/0x310 [ 359.496031] ? kasan_check_read+0x11/0x20 [ 359.500169] ? __run_timers+0x7da/0xc70 [ 359.504142] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.509254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.513504] __run_timers+0x7e5/0xc70 [ 359.517308] ? timer_fixup_init+0x70/0x70 [ 359.521463] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.526478] ? zap_class+0x640/0x640 [ 359.530207] ? print_usage_bug+0xc0/0xc0 [ 359.534267] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.539458] ? find_held_lock+0x36/0x1c0 [ 359.543518] ? zap_class+0x640/0x640 [ 359.547235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.552771] ? check_preemption_disabled+0x48/0x280 [ 359.557793] ? __lock_is_held+0xb5/0x140 [ 359.561937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.567468] ? check_preemption_disabled+0x48/0x280 [ 359.572488] run_timer_softirq+0x52/0xb0 [ 359.576564] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.581577] __do_softirq+0x308/0xb7e [ 359.585380] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 359.589868] ? lock_downgrade+0x900/0x900 [ 359.594020] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.599129] ? pvclock_read_flags+0x160/0x160 [ 359.603619] ? lapic_next_event+0x5a/0x90 [ 359.607766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.613318] ? kvm_clock_read+0x18/0x30 [ 359.617312] ? kvm_sched_clock_read+0x9/0x20 [ 359.621991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.627522] ? check_preemption_disabled+0x48/0x280 [ 359.632542] irq_exit+0x17f/0x1c0 [ 359.635991] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.640824] ? smp_reschedule_interrupt+0x109/0x650 [ 359.645837] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.651732] ? interrupt_entry+0xb5/0xc0 [ 359.655791] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.660836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.665848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.670701] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.675710] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.680721] ? task_prio+0x50/0x50 [ 359.684256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.689792] ? check_preemption_disabled+0x48/0x280 [ 359.694809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.699653] apic_timer_interrupt+0xf/0x20 [ 359.703879] [ 359.706116] RIP: 0010:dump_stack+0x358/0x39d [ 359.710524] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 359.729431] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 359.737137] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 359.744402] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 359.751663] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 359.758924] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 359.766188] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 359.773466] ? dump_stack+0x34f/0x39d [ 359.777273] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.782463] ? mark_held_locks+0x130/0x130 [ 359.786692] ? mark_held_locks+0x130/0x130 [ 359.790925] dump_header+0x27b/0xf72 [ 359.794660] ? pagefault_out_of_memory+0x197/0x197 [ 359.799591] ? __lock_acquire+0x62f/0x4c20 [ 359.803826] ? percpu_ref_get_many+0x240/0x240 [ 359.808406] ? print_usage_bug+0xc0/0xc0 [ 359.812467] ? zap_class+0x640/0x640 [ 359.816177] ? print_usage_bug+0xc0/0xc0 [ 359.820229] ? print_usage_bug+0xc0/0xc0 [ 359.824285] ? zap_class+0x640/0x640 [ 359.827998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.833533] ? find_held_lock+0x36/0x1c0 [ 359.837596] ? mark_held_locks+0xc7/0x130 [ 359.841740] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.846839] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.851955] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.856533] ? trace_hardirqs_on+0xbd/0x310 [ 359.860853] ? kasan_check_read+0x11/0x20 [ 359.864998] ? ___ratelimit+0x3b4/0x672 [ 359.869417] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.874520] ? trace_hardirqs_on+0x310/0x310 [ 359.878924] ? lock_downgrade+0x900/0x900 [ 359.883077] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.888172] ? ___ratelimit+0x3b9/0x672 [ 359.892146] ? idr_get_free+0xf70/0xf70 [ 359.896625] ? find_held_lock+0x36/0x1c0 [ 359.900692] oom_kill_process.cold.27+0x10/0x903 [ 359.905444] ? zap_class+0x640/0x640 [ 359.909154] ? check_preemption_disabled+0x48/0x280 [ 359.914170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.919094] ? kasan_check_read+0x11/0x20 [ 359.923238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.928509] ? oom_evaluate_task+0x540/0x540 [ 359.932916] ? find_held_lock+0x36/0x1c0 [ 359.936981] ? out_of_memory+0x974/0x1430 [ 359.941126] ? lock_downgrade+0x900/0x900 [ 359.945267] ? check_preemption_disabled+0x48/0x280 [ 359.950279] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.955211] ? kasan_check_read+0x11/0x20 [ 359.959356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.964629] ? rcu_softirq_qs+0x20/0x20 [ 359.968606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.974138] ? oom_evaluate_task+0x302/0x540 [ 359.978547] out_of_memory+0xa84/0x1430 [ 359.982532] ? oom_killer_disable+0x3a0/0x3a0 [ 359.987023] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 359.991949] ? __ww_mutex_check_waiters+0x160/0x160 [ 359.996970] __alloc_pages_slowpath+0x2354/0x2e10 [ 360.001832] ? warn_alloc+0x120/0x120 [ 360.005630] ? mark_held_locks+0x130/0x130 [ 360.009869] ? find_get_entry+0xaae/0x1120 [ 360.014111] ? filemap_map_pages+0x1a20/0x1a20 [ 360.019130] ? zap_class+0x640/0x640 [ 360.022843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.028374] ? check_preemption_disabled+0x48/0x280 [ 360.033385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.038916] ? should_fail+0x22d/0xd01 [ 360.042800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.047901] ? zap_class+0x640/0x640 [ 360.051634] ? __lock_is_held+0xb5/0x140 [ 360.055701] ? mark_held_locks+0x130/0x130 [ 360.059934] ? lock_release+0xa00/0xa00 [ 360.063904] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.069357] ? xa_load+0x2ba/0x460 [ 360.072892] ? lock_downgrade+0x900/0x900 [ 360.077041] ? __might_sleep+0x95/0x190 [ 360.081017] __alloc_pages_nodemask+0xa80/0xde0 [ 360.085700] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.090721] ? __page_cache_alloc+0x191/0x5c0 [ 360.095210] ? xa_load+0x2e1/0x460 [ 360.098755] ? xa_clear_mark+0x40/0x40 [ 360.102640] ? zap_class+0x640/0x640 [ 360.106357] ? zap_class+0x640/0x640 [ 360.110064] ? zap_class+0x640/0x640 [ 360.113772] ? __do_page_cache_readahead+0x663/0x810 [ 360.118874] ? find_held_lock+0x36/0x1c0 [ 360.122935] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.128489] alloc_pages_current+0x173/0x350 [ 360.132899] __page_cache_alloc+0x38c/0x5c0 [ 360.137214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.142144] ? kasan_check_read+0x11/0x20 [ 360.146296] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.151573] ? generic_perform_write+0x6a0/0x6a0 [ 360.156331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.161868] ? check_preemption_disabled+0x48/0x280 [ 360.166886] filemap_fault+0x1595/0x25f0 [ 360.170952] ? __lock_page_or_retry+0xa00/0xa00 [ 360.175630] ? mark_held_locks+0x130/0x130 [ 360.179879] ? filemap_map_pages+0xd6b/0x1a20 [ 360.184390] ? lock_downgrade+0x900/0x900 [ 360.188542] ? check_preemption_disabled+0x48/0x280 [ 360.193559] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.198483] ? kasan_check_read+0x11/0x20 [ 360.202624] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.207907] ? rcu_softirq_qs+0x20/0x20 [ 360.211889] ? filemap_map_pages+0xd92/0x1a20 [ 360.216393] ? find_get_entries_tag+0x1400/0x1400 [ 360.221232] ? debug_object_destroy+0x2b0/0x2b0 [ 360.225901] ? lock_pi_update_atomic+0x150/0x150 [ 360.230651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.236197] ? lock_acquire+0x1ed/0x520 [ 360.240186] ? ext4_filemap_fault+0x7a/0xad [ 360.244521] ? lock_release+0xa00/0xa00 [ 360.248489] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.253944] ? print_usage_bug+0xc0/0xc0 [ 360.258014] ? print_usage_bug+0xc0/0xc0 [ 360.262080] ? down_read+0x8d/0x120 [ 360.265703] ? ext4_filemap_fault+0x7a/0xad [ 360.270022] ? __down_interruptible+0x700/0x700 [ 360.274694] ext4_filemap_fault+0x82/0xad [ 360.278841] __do_fault+0x100/0x6b0 [ 360.282475] ? pmd_devmap_trans_unstable+0x220/0x220 [ 360.287579] ? mark_held_locks+0x130/0x130 [ 360.291810] ? mark_held_locks+0x130/0x130 [ 360.296041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.301577] ? check_preemption_disabled+0x48/0x280 [ 360.306592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.312134] __handle_mm_fault+0x3ea0/0x5be0 [ 360.316546] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 360.321384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.326918] ? __fpu__restore_sig+0x62f/0x1680 [ 360.331512] ? zap_class+0x640/0x640 [ 360.335220] ? zap_class+0x640/0x640 [ 360.338930] ? __x64_sys_futex+0x53e/0x6a0 [ 360.343163] ? find_held_lock+0x36/0x1c0 [ 360.347230] ? handle_mm_fault+0x42a/0xc70 [ 360.351551] ? lock_downgrade+0x900/0x900 [ 360.355692] ? check_preemption_disabled+0x48/0x280 [ 360.360706] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.365629] ? kasan_check_read+0x11/0x20 [ 360.369781] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.375053] ? rcu_softirq_qs+0x20/0x20 [ 360.379021] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.384122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.389654] ? check_preemption_disabled+0x48/0x280 [ 360.394672] handle_mm_fault+0x54f/0xc70 [ 360.398731] ? __handle_mm_fault+0x5be0/0x5be0 [ 360.403317] ? find_vma+0x34/0x190 [ 360.406855] __do_page_fault+0x5e8/0xe60 [ 360.410912] ? trace_hardirqs_off+0xb8/0x310 [ 360.415334] ? exit_to_usermode_loop+0x1f4/0x380 [ 360.420103] do_page_fault+0xf2/0x7e0 [ 360.423918] ? vmalloc_sync_all+0x30/0x30 [ 360.428059] ? error_entry+0x70/0xd0 [ 360.431772] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.436781] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.441706] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.446630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.451472] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.456483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.461935] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.466944] ? page_fault+0x8/0x30 [ 360.470481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.475320] ? page_fault+0x8/0x30 [ 360.478858] page_fault+0x1e/0x30 [ 360.482310] RIP: 0033:0x45ddf3 [ 360.485509] Code: Bad RIP value. [ 360.488876] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 360.494230] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 360.501499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 360.508763] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 360.516028] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 360.523295] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 360.530582] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 360.530586] warn_alloc_show_mem: 1 callbacks suppressed [ 360.530593] Mem-Info: [ 360.537945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.543312] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 360.543312] active_file:14 inactive_file:13 isolated_file:0 [ 360.543312] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.543312] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 360.543312] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 360.543312] free:13747 free_pcp:512 free_cma:0 [ 360.545676] Call Trace: [ 360.555052] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.587900] [ 360.590467] 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 [ 360.617982] dump_stack+0x244/0x39d [ 360.620099] lowmem_reserve[]: 0 2818 6321 6321 [ 360.646203] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.649798] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 360.654377] warn_alloc.cold.116+0xb7/0x1bd [ 360.659524] lowmem_reserve[]: 0 0 3503 3503 [ 360.686845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.691137] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 360.695453] ? lock_downgrade+0x900/0x900 [ 360.700269] lowmem_reserve[]: 0 0 0 0 [ 360.729782] ? trace_hardirqs_off+0xb8/0x310 [ 360.733903] 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 [ 360.737697] ? trace_hardirqs_off+0xb8/0x310 [ 360.742162] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 360.755682] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.760057] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 360.775329] ? warn_alloc+0x120/0x120 [ 360.780128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.794500] ? print_usage_bug+0xc0/0xc0 [ 360.798279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.807096] ? warn_alloc+0x120/0x120 [ 360.811127] 165 total pagecache pages [ 360.819689] ? warn_alloc+0x120/0x120 [ 360.823474] 0 pages in swap cache [ 360.827271] ? print_usage_bug+0xc0/0xc0 [ 360.831044] Swap cache stats: add 0, delete 0, find 0/0 [ 360.834482] ? kvm_clock_read+0x18/0x30 [ 360.838514] Free swap = 0kB [ 360.843863] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.847805] Total swap = 0kB [ 360.847812] 1965979 pages RAM [ 360.850823] ? print_usage_bug+0xc0/0xc0 [ 360.855807] 0 pages HighMem/MovableOnly [ 360.855814] 342855 pages reserved [ 360.858819] ? __lock_acquire+0x62f/0x4c20 [ 360.861897] 0 pages cma reserved [ 360.865945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.869960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.873328] ? should_fail+0x22d/0xd01 [ 360.873345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.873361] ? __lock_acquire+0x62f/0x4c20 [ 360.877618] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.880922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.886430] syz-fuzzer cpuset=/ mems_allowed=0 [ 360.892911] ? __lock_acquire+0x62f/0x4c20 [ 360.930145] ? should_fail+0x22d/0xd01 [ 360.934037] ? mark_held_locks+0x130/0x130 [ 360.938275] ? mark_held_locks+0x130/0x130 [ 360.942513] ? zap_class+0x640/0x640 [ 360.946228] ? print_usage_bug+0xc0/0xc0 [ 360.950287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.955819] ? check_preemption_disabled+0x48/0x280 [ 360.960841] ? __lock_is_held+0xb5/0x140 [ 360.964906] __alloc_pages_nodemask+0xa80/0xde0 [ 360.969569] ? zap_class+0x640/0x640 [ 360.973287] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.978309] ? find_held_lock+0x36/0x1c0 [ 360.982376] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.987039] ? lock_downgrade+0x900/0x900 [ 360.991188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.996732] cache_grow_begin+0xa5/0x8c0 [ 361.000792] ? do_raw_spin_unlock+0xa7/0x330 [ 361.005203] fallback_alloc+0x204/0x2e0 [ 361.009184] ____cache_alloc_node+0x1c7/0x1e0 [ 361.013683] kmem_cache_alloc_node+0xe3/0x730 [ 361.018173] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.022412] __alloc_skb+0x119/0x770 [ 361.026120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.031397] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.035803] ? lock_downgrade+0x900/0x900 [ 361.039951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.045485] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.050936] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.056382] ? addrconf_rs_timer+0x690/0x690 [ 361.060798] ndisc_alloc_skb+0x144/0x340 [ 361.064857] ndisc_send_rs+0x331/0x6e0 [ 361.068749] addrconf_rs_timer+0x314/0x690 [ 361.072992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.077239] call_timer_fn+0x272/0x920 [ 361.081124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.085352] ? process_timeout+0x40/0x40 [ 361.089415] ? __run_timers+0x7da/0xc70 [ 361.093393] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.097886] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.102373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.106602] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.111185] ? trace_hardirqs_on+0xbd/0x310 [ 361.115527] ? kasan_check_read+0x11/0x20 [ 361.119673] ? __run_timers+0x7da/0xc70 [ 361.123642] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.128756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.132982] __run_timers+0x7e5/0xc70 [ 361.136960] ? timer_fixup_init+0x70/0x70 [ 361.141109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.146123] ? zap_class+0x640/0x640 [ 361.149836] ? enqueue_hrtimer+0x1a5/0x560 [ 361.154070] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 361.159262] ? find_held_lock+0x36/0x1c0 [ 361.163328] ? zap_class+0x640/0x640 [ 361.167044] ? pvclock_read_flags+0x160/0x160 [ 361.171536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.177068] ? check_preemption_disabled+0x48/0x280 [ 361.182094] ? __lock_is_held+0xb5/0x140 [ 361.186150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.191689] ? check_preemption_disabled+0x48/0x280 [ 361.196708] run_timer_softirq+0x52/0xb0 [ 361.200770] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.205785] __do_softirq+0x308/0xb7e [ 361.209588] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 361.214078] ? lock_downgrade+0x900/0x900 [ 361.218231] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.223334] ? pvclock_read_flags+0x160/0x160 [ 361.227824] ? lapic_next_event+0x5a/0x90 [ 361.231973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.237510] ? kvm_clock_read+0x18/0x30 [ 361.241483] ? kvm_sched_clock_read+0x9/0x20 [ 361.245892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.251423] ? check_preemption_disabled+0x48/0x280 [ 361.256446] irq_exit+0x17f/0x1c0 [ 361.259894] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.264742] ? smp_reschedule_interrupt+0x109/0x650 [ 361.269757] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.275640] ? interrupt_entry+0xb5/0xc0 [ 361.279696] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.284715] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.289823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.294665] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.299674] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.304697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.309545] apic_timer_interrupt+0xf/0x20 [ 361.313777] [ 361.316010] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.320935] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 361.339827] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.347531] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.354792] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 361.362053] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 361.369314] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.376575] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 361.383879] skb_clone+0x1bb/0x500 [ 361.387417] ? finish_task_switch+0x2f4/0x910 [ 361.391909] ? skb_split+0x11e0/0x11e0 [ 361.395795] ? preempt_notifier_register+0x200/0x200 [ 361.400893] ? __switch_to_asm+0x34/0x70 [ 361.404955] ? __switch_to_asm+0x34/0x70 [ 361.409009] ? __switch_to_asm+0x40/0x70 [ 361.413063] ? __switch_to_asm+0x34/0x70 [ 361.417145] ? __switch_to_asm+0x40/0x70 [ 361.421246] ? __switch_to_asm+0x34/0x70 [ 361.425346] ? __switch_to_asm+0x40/0x70 [ 361.429405] ? __switch_to_asm+0x34/0x70 [ 361.433468] ? __switch_to_asm+0x34/0x70 [ 361.437523] ? __switch_to_asm+0x40/0x70 [ 361.441576] ? __switch_to_asm+0x34/0x70 [ 361.445645] bpf_clone_redirect+0xb9/0x490 [ 361.449874] ? __schedule+0x8d7/0x21d0 [ 361.453763] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 361.458778] ? __sched_text_start+0x8/0x8 [ 361.462922] ? retint_kernel+0x2d/0x2d [ 361.466809] ? trace_hardirqs_on_caller+0xc0/0x310 [ 361.471739] ? find_held_lock+0x36/0x1c0 [ 361.475800] ? lock_acquire+0x1ed/0x520 [ 361.479773] ? bpf_test_run+0x3cb/0x780 [ 361.483742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.489274] ? check_preemption_disabled+0x48/0x280 [ 361.494289] ? kasan_check_read+0x11/0x20 [ 361.498439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.503712] ? rcu_softirq_qs+0x20/0x20 [ 361.507686] ? preempt_schedule+0x4d/0x60 [ 361.511836] ? ___preempt_schedule+0x16/0x18 [ 361.516245] ? bpf_test_run+0x25d/0x780 [ 361.520224] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.524634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.530174] ? bpf_test_init.isra.10+0x70/0x100 [ 361.534845] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 361.539603] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.544440] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.549976] ? fput+0x130/0x1a0 [ 361.553253] ? __bpf_prog_get+0x9b/0x290 [ 361.557487] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.562323] ? bpf_prog_test_run+0x130/0x1a0 [ 361.566736] ? __x64_sys_bpf+0x3d8/0x520 [ 361.570793] ? bpf_prog_get+0x20/0x20 [ 361.574612] ? do_syscall_64+0x1b9/0x820 [ 361.578669] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.584029] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.588959] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.594059] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.599083] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 361.605751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.610597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.615973] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 361.616038] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.622983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.622987] Call Trace: [ 361.622993] [ 361.623009] dump_stack+0x244/0x39d [ 361.623027] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.629541] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.638857] warn_alloc.cold.116+0xb7/0x1bd [ 361.641409] syz-executor4 cpuset=syz4 mems_allowed=0 [ 361.643549] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.677033] ? lock_downgrade+0x900/0x900 [ 361.681188] ? trace_hardirqs_off+0xb8/0x310 [ 361.685597] ? trace_hardirqs_off+0xb8/0x310 [ 361.690355] __alloc_pages_slowpath+0x26e8/0x2e10 [ 361.695236] ? warn_alloc+0x120/0x120 [ 361.699033] ? print_usage_bug+0xc0/0xc0 [ 361.703088] ? warn_alloc+0x120/0x120 [ 361.706887] ? warn_alloc+0x120/0x120 [ 361.710683] ? print_usage_bug+0xc0/0xc0 [ 361.714746] ? print_usage_bug+0xc0/0xc0 [ 361.718801] ? __lock_acquire+0x62f/0x4c20 [ 361.723049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.728581] ? should_fail+0x22d/0xd01 [ 361.732470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.737578] ? __lock_acquire+0x62f/0x4c20 [ 361.741811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.746909] ? __lock_acquire+0x62f/0x4c20 [ 361.751139] ? should_fail+0x22d/0xd01 [ 361.755035] ? find_held_lock+0x36/0x1c0 [ 361.759098] ? mark_held_locks+0x130/0x130 [ 361.763337] ? mark_held_locks+0x130/0x130 [ 361.767568] ? zap_class+0x640/0x640 [ 361.771279] ? zap_class+0x640/0x640 [ 361.774987] ? print_usage_bug+0xc0/0xc0 [ 361.779042] ? do_raw_spin_unlock+0xa7/0x330 [ 361.783446] ? zap_class+0x640/0x640 [ 361.787161] ? print_usage_bug+0xc0/0xc0 [ 361.791218] ? wq_watchdog_touch+0x9c/0xfe [ 361.795452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.800991] ? check_preemption_disabled+0x48/0x280 [ 361.806011] ? __lock_is_held+0xb5/0x140 [ 361.810069] __alloc_pages_nodemask+0xa80/0xde0 [ 361.814735] ? zap_class+0x640/0x640 [ 361.818449] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 361.823476] ? find_held_lock+0x36/0x1c0 [ 361.827715] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.832381] ? lock_downgrade+0x900/0x900 [ 361.836533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.842066] cache_grow_begin+0xa5/0x8c0 [ 361.846125] ? do_raw_spin_unlock+0xa7/0x330 [ 361.850547] fallback_alloc+0x204/0x2e0 [ 361.854526] ____cache_alloc_node+0x1c7/0x1e0 [ 361.859023] kmem_cache_alloc_node+0xe3/0x730 [ 361.863514] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.867757] __alloc_skb+0x119/0x770 [ 361.871463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.876749] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.881155] ? lock_downgrade+0x900/0x900 [ 361.885311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.890847] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.896759] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.902207] ? addrconf_rs_timer+0x690/0x690 [ 361.906968] ndisc_alloc_skb+0x144/0x340 [ 361.911030] ndisc_send_rs+0x331/0x6e0 [ 361.914915] addrconf_rs_timer+0x314/0x690 [ 361.919163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.923401] call_timer_fn+0x272/0x920 [ 361.927284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.931519] ? process_timeout+0x40/0x40 [ 361.935589] ? mark_held_locks+0xc7/0x130 [ 361.939748] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.944242] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.948729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.952957] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.957536] ? trace_hardirqs_on+0xbd/0x310 [ 361.961850] ? kasan_check_read+0x11/0x20 [ 361.966785] ? __run_timers+0x7da/0xc70 [ 361.970755] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.975856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.980089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.984318] __run_timers+0x7e5/0xc70 [ 361.988128] ? timer_fixup_init+0x70/0x70 [ 361.992281] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.997383] ? zap_class+0x640/0x640 [ 362.001098] ? print_usage_bug+0xc0/0xc0 [ 362.005167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.010361] ? find_held_lock+0x36/0x1c0 [ 362.014421] ? zap_class+0x640/0x640 [ 362.018148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.023681] ? check_preemption_disabled+0x48/0x280 [ 362.028703] ? __lock_is_held+0xb5/0x140 [ 362.032760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.038291] ? check_preemption_disabled+0x48/0x280 [ 362.043310] run_timer_softirq+0x52/0xb0 [ 362.047367] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.052383] __do_softirq+0x308/0xb7e [ 362.056185] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.060678] ? lock_downgrade+0x900/0x900 [ 362.064827] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.069930] ? pvclock_read_flags+0x160/0x160 [ 362.074426] ? lapic_next_event+0x5a/0x90 [ 362.078568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.084102] ? kvm_clock_read+0x18/0x30 [ 362.088089] ? kvm_sched_clock_read+0x9/0x20 [ 362.092498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.098031] ? check_preemption_disabled+0x48/0x280 [ 362.103050] irq_exit+0x17f/0x1c0 [ 362.106498] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.111335] ? smp_reschedule_interrupt+0x109/0x650 [ 362.116345] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.122227] ? interrupt_entry+0xb5/0xc0 [ 362.126282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.131292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.136305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.141152] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.146166] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.151178] ? task_prio+0x50/0x50 [ 362.154715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.160253] ? check_preemption_disabled+0x48/0x280 [ 362.165266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.170116] apic_timer_interrupt+0xf/0x20 [ 362.174345] [ 362.176578] RIP: 0010:dump_stack+0x358/0x39d [ 362.180993] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 362.199891] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.207595] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 362.214861] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 362.222133] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 362.229394] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 362.236659] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 362.243940] ? dump_stack+0x34f/0x39d [ 362.247745] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.252931] ? mark_held_locks+0x130/0x130 [ 362.257159] ? mark_held_locks+0x130/0x130 [ 362.261397] dump_header+0x27b/0xf72 [ 362.265127] ? pagefault_out_of_memory+0x197/0x197 [ 362.270068] ? __lock_acquire+0x62f/0x4c20 [ 362.274304] ? percpu_ref_get_many+0x240/0x240 [ 362.278882] ? print_usage_bug+0xc0/0xc0 [ 362.282947] ? zap_class+0x640/0x640 [ 362.286657] ? print_usage_bug+0xc0/0xc0 [ 362.290732] ? print_usage_bug+0xc0/0xc0 [ 362.294792] ? zap_class+0x640/0x640 [ 362.298503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.304040] ? find_held_lock+0x36/0x1c0 [ 362.308124] ? mark_held_locks+0xc7/0x130 [ 362.312273] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.317381] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.322497] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.327078] ? trace_hardirqs_on+0xbd/0x310 [ 362.331399] ? kasan_check_read+0x11/0x20 [ 362.335542] ? ___ratelimit+0x3b4/0x672 [ 362.339512] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.344611] ? trace_hardirqs_on+0x310/0x310 [ 362.349017] ? lock_downgrade+0x900/0x900 [ 362.353170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.358274] ? ___ratelimit+0x3b9/0x672 [ 362.362251] ? idr_get_free+0xf70/0xf70 [ 362.366221] ? find_held_lock+0x36/0x1c0 [ 362.370285] oom_kill_process.cold.27+0x10/0x903 [ 362.375035] ? zap_class+0x640/0x640 [ 362.378746] ? check_preemption_disabled+0x48/0x280 [ 362.383763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.388686] ? kasan_check_read+0x11/0x20 [ 362.392842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.398124] ? oom_evaluate_task+0x540/0x540 [ 362.402531] ? find_held_lock+0x36/0x1c0 [ 362.406594] ? out_of_memory+0x974/0x1430 [ 362.410741] ? lock_downgrade+0x900/0x900 [ 362.414882] ? check_preemption_disabled+0x48/0x280 [ 362.419897] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.424818] ? kasan_check_read+0x11/0x20 [ 362.428959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.434228] ? rcu_softirq_qs+0x20/0x20 [ 362.438200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.443729] ? oom_evaluate_task+0x302/0x540 [ 362.448137] out_of_memory+0xa84/0x1430 [ 362.452127] ? oom_killer_disable+0x3a0/0x3a0 [ 362.456619] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 362.461549] ? __ww_mutex_check_waiters+0x160/0x160 [ 362.466573] __alloc_pages_slowpath+0x2354/0x2e10 [ 362.471437] ? warn_alloc+0x120/0x120 [ 362.475244] ? mark_held_locks+0x130/0x130 [ 362.479480] ? find_get_entry+0xaae/0x1120 [ 362.483731] ? filemap_map_pages+0x1a20/0x1a20 [ 362.488312] ? zap_class+0x640/0x640 [ 362.492027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.497558] ? check_preemption_disabled+0x48/0x280 [ 362.502572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.508112] ? should_fail+0x22d/0xd01 [ 362.512001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.517109] ? zap_class+0x640/0x640 [ 362.520841] ? __lock_is_held+0xb5/0x140 [ 362.524909] ? mark_held_locks+0x130/0x130 [ 362.529143] ? lock_release+0xa00/0xa00 [ 362.533115] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.538558] ? xa_load+0x2ba/0x460 [ 362.542103] ? lock_downgrade+0x900/0x900 [ 362.546255] ? __might_sleep+0x95/0x190 [ 362.550228] __alloc_pages_nodemask+0xa80/0xde0 [ 362.554896] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.559931] ? __page_cache_alloc+0x191/0x5c0 [ 362.564418] ? xa_load+0x2e1/0x460 [ 362.567965] ? xa_clear_mark+0x40/0x40 [ 362.571864] ? zap_class+0x640/0x640 [ 362.575589] ? zap_class+0x640/0x640 [ 362.579295] ? zap_class+0x640/0x640 [ 362.583004] ? __do_page_cache_readahead+0x663/0x810 [ 362.588118] ? find_held_lock+0x36/0x1c0 [ 362.592179] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.597716] alloc_pages_current+0x173/0x350 [ 362.602125] __page_cache_alloc+0x38c/0x5c0 [ 362.606442] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.611452] ? kasan_check_read+0x11/0x20 [ 362.615595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.620867] ? generic_perform_write+0x6a0/0x6a0 [ 362.625622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.631158] ? check_preemption_disabled+0x48/0x280 [ 362.636176] filemap_fault+0x1595/0x25f0 [ 362.640243] ? __lock_page_or_retry+0xa00/0xa00 [ 362.644909] ? mark_held_locks+0x130/0x130 [ 362.649147] ? filemap_map_pages+0xd6b/0x1a20 [ 362.653649] ? lock_downgrade+0x900/0x900 [ 362.657795] ? check_preemption_disabled+0x48/0x280 [ 362.662809] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.667909] ? kasan_check_read+0x11/0x20 [ 362.672056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.677334] ? rcu_softirq_qs+0x20/0x20 [ 362.681313] ? filemap_map_pages+0xd92/0x1a20 [ 362.685818] ? find_get_entries_tag+0x1400/0x1400 [ 362.690667] ? debug_object_destroy+0x2b0/0x2b0 [ 362.695333] ? lock_pi_update_atomic+0x150/0x150 [ 362.700095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.705640] ? lock_acquire+0x1ed/0x520 [ 362.709613] ? ext4_filemap_fault+0x7a/0xad [ 362.713937] ? lock_release+0xa00/0xa00 [ 362.717906] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.723355] ? print_usage_bug+0xc0/0xc0 [ 362.727922] ? print_usage_bug+0xc0/0xc0 [ 362.731991] ? down_read+0x8d/0x120 [ 362.735611] ? ext4_filemap_fault+0x7a/0xad [ 362.739930] ? __down_interruptible+0x700/0x700 [ 362.744600] ext4_filemap_fault+0x82/0xad [ 362.748746] __do_fault+0x100/0x6b0 [ 362.752371] ? pmd_devmap_trans_unstable+0x220/0x220 [ 362.757475] ? mark_held_locks+0x130/0x130 [ 362.761705] ? mark_held_locks+0x130/0x130 [ 362.765938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.771470] ? check_preemption_disabled+0x48/0x280 [ 362.776486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.782109] __handle_mm_fault+0x3ea0/0x5be0 [ 362.786525] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 362.791367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.796917] ? __fpu__restore_sig+0x62f/0x1680 [ 362.801512] ? zap_class+0x640/0x640 [ 362.805222] ? zap_class+0x640/0x640 [ 362.808934] ? __x64_sys_futex+0x53e/0x6a0 [ 362.813169] ? find_held_lock+0x36/0x1c0 [ 362.817233] ? handle_mm_fault+0x42a/0xc70 [ 362.821468] ? lock_downgrade+0x900/0x900 [ 362.825612] ? check_preemption_disabled+0x48/0x280 [ 362.830636] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.835587] ? kasan_check_read+0x11/0x20 [ 362.839731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.845001] ? rcu_softirq_qs+0x20/0x20 [ 362.848971] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.854081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.859612] ? check_preemption_disabled+0x48/0x280 [ 362.864643] handle_mm_fault+0x54f/0xc70 [ 362.868704] ? __handle_mm_fault+0x5be0/0x5be0 [ 362.873287] ? find_vma+0x34/0x190 [ 362.876826] __do_page_fault+0x5e8/0xe60 [ 362.880881] ? trace_hardirqs_off+0xb8/0x310 [ 362.885283] ? exit_to_usermode_loop+0x1f4/0x380 [ 362.890062] do_page_fault+0xf2/0x7e0 [ 362.893868] ? vmalloc_sync_all+0x30/0x30 [ 362.898010] ? error_entry+0x70/0xd0 [ 362.901735] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.906746] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.911668] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.916591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.921429] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.926444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.931893] ? prepare_exit_to_usermode+0x291/0x3b0 [ 362.936902] ? page_fault+0x8/0x30 [ 362.940440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.945278] ? page_fault+0x8/0x30 [ 362.948816] page_fault+0x1e/0x30 [ 362.952265] RIP: 0033:0x45ddf3 [ 362.955467] Code: Bad RIP value. [ 362.958822] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 362.964182] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 362.971448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 362.978712] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 362.985975] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 362.993238] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 363.000523] warn_alloc_show_mem: 1 callbacks suppressed [ 363.000533] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 363.000535] Mem-Info: [ 363.000566] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 363.000566] active_file:14 inactive_file:13 isolated_file:0 [ 363.000566] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.000566] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 363.000566] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 363.000566] free:13747 free_pcp:512 free_cma:0 [ 363.005900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.005907] Call Trace: [ 363.013265] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.015654] [ 363.048510] 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 [ 363.057863] dump_stack+0x244/0x39d [ 363.060413] lowmem_reserve[]: 0 2818 6321 6321 [ 363.087912] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.090050] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 363.116155] warn_alloc.cold.116+0xb7/0x1bd [ 363.119738] lowmem_reserve[]: 0 0 3503 3503 [ 363.124325] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.129486] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 363.156805] ? lock_downgrade+0x900/0x900 [ 363.161099] lowmem_reserve[]: 0 0 0 0 [ 363.165414] ? trace_hardirqs_off+0xb8/0x310 [ 363.170223] 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 [ 363.199203] ? trace_hardirqs_off+0xb8/0x310 [ 363.203580] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 363.207378] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.211763] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 363.225303] ? warn_alloc+0x120/0x120 [ 363.229669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.244921] ? print_usage_bug+0xc0/0xc0 [ 363.249742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.264114] ? warn_alloc+0x120/0x120 [ 363.267889] 165 total pagecache pages [ 363.276711] ? warn_alloc+0x120/0x120 [ 363.280751] 0 pages in swap cache [ 363.289306] ? print_usage_bug+0xc0/0xc0 [ 363.293078] Swap cache stats: add 0, delete 0, find 0/0 [ 363.296869] ? print_usage_bug+0xc0/0xc0 [ 363.300641] Free swap = 0kB [ 363.304082] ? __lock_acquire+0x62f/0x4c20 [ 363.308122] Total swap = 0kB [ 363.313478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.317508] 1965979 pages RAM [ 363.320519] ? should_fail+0x22d/0xd01 [ 363.324721] 0 pages HighMem/MovableOnly [ 363.324729] 342855 pages reserved [ 363.327739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.333243] 0 pages cma reserved [ 363.333310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.336350] ? __lock_acquire+0x62f/0x4c20 [ 363.340259] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.344168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.347602] syz-fuzzer cpuset=/ mems_allowed=0 [ 363.352691] ? __lock_acquire+0x62f/0x4c20 [ 363.352705] ? should_fail+0x22d/0xd01 [ 363.394696] ? find_held_lock+0x36/0x1c0 [ 363.398764] ? mark_held_locks+0x130/0x130 [ 363.403009] ? mark_held_locks+0x130/0x130 [ 363.407499] ? zap_class+0x640/0x640 [ 363.411214] ? zap_class+0x640/0x640 [ 363.414926] ? print_usage_bug+0xc0/0xc0 [ 363.418980] ? do_raw_spin_unlock+0xa7/0x330 [ 363.423400] ? zap_class+0x640/0x640 [ 363.427113] ? print_usage_bug+0xc0/0xc0 [ 363.431171] ? wq_watchdog_touch+0x9c/0xfe [ 363.435420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.440955] ? check_preemption_disabled+0x48/0x280 [ 363.445975] ? __lock_is_held+0xb5/0x140 [ 363.450044] __alloc_pages_nodemask+0xa80/0xde0 [ 363.454711] ? zap_class+0x640/0x640 [ 363.458422] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 363.463445] ? find_held_lock+0x36/0x1c0 [ 363.467510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.472181] ? lock_downgrade+0x900/0x900 [ 363.476336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.481871] cache_grow_begin+0xa5/0x8c0 [ 363.485931] ? do_raw_spin_unlock+0xa7/0x330 [ 363.490341] fallback_alloc+0x204/0x2e0 [ 363.494315] ____cache_alloc_node+0x1c7/0x1e0 [ 363.498809] kmem_cache_alloc_node+0xe3/0x730 [ 363.503399] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.507638] __alloc_skb+0x119/0x770 [ 363.511351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.516632] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.521034] ? lock_downgrade+0x900/0x900 [ 363.525188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.530724] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.536175] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.541620] ? addrconf_rs_timer+0x690/0x690 [ 363.546037] ndisc_alloc_skb+0x144/0x340 [ 363.550096] ndisc_send_rs+0x331/0x6e0 [ 363.554072] addrconf_rs_timer+0x314/0x690 [ 363.558310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.562548] call_timer_fn+0x272/0x920 [ 363.566431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.570665] ? process_timeout+0x40/0x40 [ 363.574735] ? __run_timers+0x7da/0xc70 [ 363.578711] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.583201] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.587689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.591922] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.596518] ? trace_hardirqs_on+0xbd/0x310 [ 363.600837] ? kasan_check_read+0x11/0x20 [ 363.604985] ? __run_timers+0x7da/0xc70 [ 363.608960] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.614069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.618305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.622538] __run_timers+0x7e5/0xc70 [ 363.626345] ? timer_fixup_init+0x70/0x70 [ 363.630509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.635526] ? zap_class+0x640/0x640 [ 363.639239] ? enqueue_hrtimer+0x1a5/0x560 [ 363.643472] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 363.648668] ? find_held_lock+0x36/0x1c0 [ 363.652729] ? zap_class+0x640/0x640 [ 363.656444] ? pvclock_read_flags+0x160/0x160 [ 363.660940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.666484] ? check_preemption_disabled+0x48/0x280 [ 363.671510] ? __lock_is_held+0xb5/0x140 [ 363.675568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.681107] ? check_preemption_disabled+0x48/0x280 [ 363.686127] run_timer_softirq+0x52/0xb0 [ 363.690185] ? rcu_read_lock_sched_held+0x14f/0x180 [ 363.695197] __do_softirq+0x308/0xb7e [ 363.699010] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 363.703510] ? lock_downgrade+0x900/0x900 [ 363.707657] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 363.712761] ? pvclock_read_flags+0x160/0x160 [ 363.717254] ? lapic_next_event+0x5a/0x90 [ 363.721399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.726936] ? kvm_clock_read+0x18/0x30 [ 363.730909] ? kvm_sched_clock_read+0x9/0x20 [ 363.735328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.740867] ? check_preemption_disabled+0x48/0x280 [ 363.745885] irq_exit+0x17f/0x1c0 [ 363.749335] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.754172] ? smp_reschedule_interrupt+0x109/0x650 [ 363.759186] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.765156] ? interrupt_entry+0xb5/0xc0 [ 363.769214] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.774226] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.779241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.784083] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.789093] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.794113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.798962] apic_timer_interrupt+0xf/0x20 [ 363.803187] [ 363.805424] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.810349] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 363.829253] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 363.836966] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.844232] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 363.851497] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 363.858764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.866028] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 363.873332] skb_clone+0x1bb/0x500 [ 363.876871] ? finish_task_switch+0x2f4/0x910 [ 363.881372] ? skb_split+0x11e0/0x11e0 [ 363.885258] ? preempt_notifier_register+0x200/0x200 [ 363.890359] ? __switch_to_asm+0x34/0x70 [ 363.895381] ? __switch_to_asm+0x34/0x70 [ 363.899439] ? __switch_to_asm+0x40/0x70 [ 363.903501] ? __switch_to_asm+0x34/0x70 [ 363.907560] ? __switch_to_asm+0x40/0x70 [ 363.911615] ? __switch_to_asm+0x34/0x70 [ 363.915673] ? __switch_to_asm+0x40/0x70 [ 363.919731] ? __switch_to_asm+0x34/0x70 [ 363.923787] ? __switch_to_asm+0x34/0x70 [ 363.927843] ? __switch_to_asm+0x40/0x70 [ 363.931901] ? __switch_to_asm+0x34/0x70 [ 363.935972] bpf_clone_redirect+0xb9/0x490 [ 363.940206] ? __schedule+0x8d7/0x21d0 [ 363.944097] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 363.949112] ? __sched_text_start+0x8/0x8 [ 363.953260] ? retint_kernel+0x2d/0x2d [ 363.957147] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.962093] ? find_held_lock+0x36/0x1c0 [ 363.966166] ? lock_acquire+0x1ed/0x520 [ 363.970134] ? bpf_test_run+0x3cb/0x780 [ 363.974104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.979637] ? check_preemption_disabled+0x48/0x280 [ 363.984654] ? kasan_check_read+0x11/0x20 [ 363.988796] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.994070] ? rcu_softirq_qs+0x20/0x20 [ 363.998039] ? preempt_schedule+0x4d/0x60 [ 364.002187] ? ___preempt_schedule+0x16/0x18 [ 364.006599] ? bpf_test_run+0x25d/0x780 [ 364.010602] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.015008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.020540] ? bpf_test_init.isra.10+0x70/0x100 [ 364.025209] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 364.029975] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.034814] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.040347] ? fput+0x130/0x1a0 [ 364.043620] ? __bpf_prog_get+0x9b/0x290 [ 364.047686] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.052523] ? bpf_prog_test_run+0x130/0x1a0 [ 364.056928] ? __x64_sys_bpf+0x3d8/0x520 [ 364.060990] ? bpf_prog_get+0x20/0x20 [ 364.064805] ? do_syscall_64+0x1b9/0x820 [ 364.068862] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.074226] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.079153] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.084182] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.089198] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 364.095871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.100721] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.106096] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 364.106179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.113108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.113112] Call Trace: [ 364.113118] [ 364.113136] dump_stack+0x244/0x39d [ 364.113154] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.119667] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.128972] warn_alloc.cold.116+0xb7/0x1bd [ 364.131519] syz-executor4 cpuset=syz4 mems_allowed=0 [ 364.133658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.167114] ? lock_downgrade+0x900/0x900 [ 364.171264] ? trace_hardirqs_off+0xb8/0x310 [ 364.175678] ? trace_hardirqs_off+0xb8/0x310 [ 364.180092] __alloc_pages_slowpath+0x26e8/0x2e10 [ 364.184976] ? warn_alloc+0x120/0x120 [ 364.188773] ? print_usage_bug+0xc0/0xc0 [ 364.192829] ? warn_alloc+0x120/0x120 [ 364.196629] ? warn_alloc+0x120/0x120 [ 364.200424] ? print_usage_bug+0xc0/0xc0 [ 364.204484] ? print_usage_bug+0xc0/0xc0 [ 364.208539] ? __lock_acquire+0x62f/0x4c20 [ 364.212777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.218314] ? should_fail+0x22d/0xd01 [ 364.222202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.227300] ? __lock_acquire+0x62f/0x4c20 [ 364.231532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.236635] ? __lock_acquire+0x62f/0x4c20 [ 364.240956] ? should_fail+0x22d/0xd01 [ 364.244838] ? find_held_lock+0x36/0x1c0 [ 364.248902] ? mark_held_locks+0x130/0x130 [ 364.253145] ? mark_held_locks+0x130/0x130 [ 364.257371] ? zap_class+0x640/0x640 [ 364.261080] ? zap_class+0x640/0x640 [ 364.264806] ? print_usage_bug+0xc0/0xc0 [ 364.268875] ? do_raw_spin_unlock+0xa7/0x330 [ 364.273276] ? zap_class+0x640/0x640 [ 364.276984] ? print_usage_bug+0xc0/0xc0 [ 364.281040] ? wq_watchdog_touch+0x9c/0xfe [ 364.285271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.290807] ? check_preemption_disabled+0x48/0x280 [ 364.295827] ? __lock_is_held+0xb5/0x140 [ 364.299887] __alloc_pages_nodemask+0xa80/0xde0 [ 364.304555] ? zap_class+0x640/0x640 [ 364.308354] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.313379] ? find_held_lock+0x36/0x1c0 [ 364.317443] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.322110] ? lock_downgrade+0x900/0x900 [ 364.326264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.331814] cache_grow_begin+0xa5/0x8c0 [ 364.335869] ? do_raw_spin_unlock+0xa7/0x330 [ 364.340278] fallback_alloc+0x204/0x2e0 [ 364.344258] ____cache_alloc_node+0x1c7/0x1e0 [ 364.348757] kmem_cache_alloc_node+0xe3/0x730 [ 364.353253] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.357494] __alloc_skb+0x119/0x770 [ 364.361202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.366481] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.370883] ? lock_downgrade+0x900/0x900 [ 364.375042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.380660] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.386112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.391555] ? addrconf_rs_timer+0x690/0x690 [ 364.395971] ndisc_alloc_skb+0x144/0x340 [ 364.400028] ndisc_send_rs+0x331/0x6e0 [ 364.403922] addrconf_rs_timer+0x314/0x690 [ 364.408160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.412397] call_timer_fn+0x272/0x920 [ 364.416285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.420515] ? process_timeout+0x40/0x40 [ 364.424578] ? mark_held_locks+0xc7/0x130 [ 364.428725] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.433216] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.437705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.441938] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.446518] ? trace_hardirqs_on+0xbd/0x310 [ 364.450833] ? kasan_check_read+0x11/0x20 [ 364.454977] ? __run_timers+0x7da/0xc70 [ 364.458950] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.464067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.468299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.472529] __run_timers+0x7e5/0xc70 [ 364.476332] ? timer_fixup_init+0x70/0x70 [ 364.480476] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.485487] ? zap_class+0x640/0x640 [ 364.489203] ? print_usage_bug+0xc0/0xc0 [ 364.493261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.498454] ? find_held_lock+0x36/0x1c0 [ 364.502516] ? zap_class+0x640/0x640 [ 364.506231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.511763] ? check_preemption_disabled+0x48/0x280 [ 364.516787] ? __lock_is_held+0xb5/0x140 [ 364.520846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.526378] ? check_preemption_disabled+0x48/0x280 [ 364.531396] run_timer_softirq+0x52/0xb0 [ 364.535456] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.540479] __do_softirq+0x308/0xb7e [ 364.544277] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.548764] ? lock_downgrade+0x900/0x900 [ 364.552921] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.558116] ? pvclock_read_flags+0x160/0x160 [ 364.562612] ? lapic_next_event+0x5a/0x90 [ 364.566759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.572316] ? kvm_clock_read+0x18/0x30 [ 364.576286] ? kvm_sched_clock_read+0x9/0x20 [ 364.580706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.586245] ? check_preemption_disabled+0x48/0x280 [ 364.591267] irq_exit+0x17f/0x1c0 [ 364.594716] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.599555] ? smp_reschedule_interrupt+0x109/0x650 [ 364.604568] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.610451] ? interrupt_entry+0xb5/0xc0 [ 364.614598] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.619616] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.624626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.629463] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.634472] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.639482] ? task_prio+0x50/0x50 [ 364.643020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.648550] ? check_preemption_disabled+0x48/0x280 [ 364.653565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.658410] apic_timer_interrupt+0xf/0x20 [ 364.662633] [ 364.664867] RIP: 0010:dump_stack+0x358/0x39d [ 364.669452] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 364.688344] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 364.696045] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 364.703309] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 364.710575] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 364.717843] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 364.725111] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 364.732903] ? dump_stack+0x34f/0x39d [ 364.736976] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.742162] ? mark_held_locks+0x130/0x130 [ 364.746395] ? mark_held_locks+0x130/0x130 [ 364.750628] dump_header+0x27b/0xf72 [ 364.754350] ? pagefault_out_of_memory+0x197/0x197 [ 364.759279] ? __lock_acquire+0x62f/0x4c20 [ 364.763513] ? percpu_ref_get_many+0x240/0x240 [ 364.768095] ? print_usage_bug+0xc0/0xc0 [ 364.772156] ? zap_class+0x640/0x640 [ 364.775865] ? print_usage_bug+0xc0/0xc0 [ 364.779935] ? print_usage_bug+0xc0/0xc0 [ 364.783992] ? zap_class+0x640/0x640 [ 364.787708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.793243] ? find_held_lock+0x36/0x1c0 [ 364.797308] ? mark_held_locks+0xc7/0x130 [ 364.801454] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.806555] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.811656] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 364.816236] ? trace_hardirqs_on+0xbd/0x310 [ 364.820552] ? kasan_check_read+0x11/0x20 [ 364.824698] ? ___ratelimit+0x3b4/0x672 [ 364.828667] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.833766] ? trace_hardirqs_on+0x310/0x310 [ 364.838174] ? lock_downgrade+0x900/0x900 [ 364.842332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.847428] ? ___ratelimit+0x3b9/0x672 [ 364.851401] ? idr_get_free+0xf70/0xf70 [ 364.855371] ? find_held_lock+0x36/0x1c0 [ 364.859436] oom_kill_process.cold.27+0x10/0x903 [ 364.864198] ? zap_class+0x640/0x640 [ 364.867925] ? check_preemption_disabled+0x48/0x280 [ 364.872941] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.877875] ? kasan_check_read+0x11/0x20 [ 364.882019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.887772] ? oom_evaluate_task+0x540/0x540 [ 364.892177] ? find_held_lock+0x36/0x1c0 [ 364.896238] ? out_of_memory+0x974/0x1430 [ 364.900393] ? lock_downgrade+0x900/0x900 [ 364.904544] ? check_preemption_disabled+0x48/0x280 [ 364.909575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.914499] ? kasan_check_read+0x11/0x20 [ 364.918639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.923912] ? rcu_softirq_qs+0x20/0x20 [ 364.927892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.933425] ? oom_evaluate_task+0x302/0x540 [ 364.937829] out_of_memory+0xa84/0x1430 [ 364.941813] ? oom_killer_disable+0x3a0/0x3a0 [ 364.946306] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 364.951231] ? __ww_mutex_check_waiters+0x160/0x160 [ 364.956251] __alloc_pages_slowpath+0x2354/0x2e10 [ 364.961111] ? warn_alloc+0x120/0x120 [ 364.964906] ? mark_held_locks+0x130/0x130 [ 364.969143] ? find_get_entry+0xaae/0x1120 [ 364.973384] ? filemap_map_pages+0x1a20/0x1a20 [ 364.977968] ? zap_class+0x640/0x640 [ 364.981680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.987216] ? check_preemption_disabled+0x48/0x280 [ 364.992224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.997758] ? should_fail+0x22d/0xd01 [ 365.001645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.006743] ? zap_class+0x640/0x640 [ 365.010473] ? __lock_is_held+0xb5/0x140 [ 365.014535] ? mark_held_locks+0x130/0x130 [ 365.018772] ? lock_release+0xa00/0xa00 [ 365.022749] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.028215] ? xa_load+0x2ba/0x460 [ 365.031751] ? lock_downgrade+0x900/0x900 [ 365.035901] ? __might_sleep+0x95/0x190 [ 365.039887] __alloc_pages_nodemask+0xa80/0xde0 [ 365.044559] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.049575] ? __page_cache_alloc+0x191/0x5c0 [ 365.054071] ? xa_load+0x2e1/0x460 [ 365.057611] ? xa_clear_mark+0x40/0x40 [ 365.061498] ? zap_class+0x640/0x640 [ 365.065213] ? zap_class+0x640/0x640 [ 365.068920] ? zap_class+0x640/0x640 [ 365.072628] ? __do_page_cache_readahead+0x663/0x810 [ 365.077728] ? find_held_lock+0x36/0x1c0 [ 365.081787] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.087324] alloc_pages_current+0x173/0x350 [ 365.091734] __page_cache_alloc+0x38c/0x5c0 [ 365.096053] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.100976] ? kasan_check_read+0x11/0x20 [ 365.105120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.110401] ? generic_perform_write+0x6a0/0x6a0 [ 365.115151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.120686] ? check_preemption_disabled+0x48/0x280 [ 365.125707] filemap_fault+0x1595/0x25f0 [ 365.129954] ? __lock_page_or_retry+0xa00/0xa00 [ 365.134620] ? mark_held_locks+0x130/0x130 [ 365.138883] ? filemap_map_pages+0xd6b/0x1a20 [ 365.143372] ? lock_downgrade+0x900/0x900 [ 365.147515] ? check_preemption_disabled+0x48/0x280 [ 365.152550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.157472] ? kasan_check_read+0x11/0x20 [ 365.161616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.166888] ? rcu_softirq_qs+0x20/0x20 [ 365.170879] ? filemap_map_pages+0xd92/0x1a20 [ 365.175383] ? find_get_entries_tag+0x1400/0x1400 [ 365.180228] ? debug_object_destroy+0x2b0/0x2b0 [ 365.184913] ? lock_pi_update_atomic+0x150/0x150 [ 365.189663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.195207] ? lock_acquire+0x1ed/0x520 [ 365.199175] ? ext4_filemap_fault+0x7a/0xad [ 365.203495] ? lock_release+0xa00/0xa00 [ 365.207462] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.212908] ? print_usage_bug+0xc0/0xc0 [ 365.216967] ? print_usage_bug+0xc0/0xc0 [ 365.221033] ? down_read+0x8d/0x120 [ 365.224652] ? ext4_filemap_fault+0x7a/0xad [ 365.228968] ? __down_interruptible+0x700/0x700 [ 365.233640] ext4_filemap_fault+0x82/0xad [ 365.237784] __do_fault+0x100/0x6b0 [ 365.241411] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.246520] ? mark_held_locks+0x130/0x130 [ 365.250760] ? mark_held_locks+0x130/0x130 [ 365.254992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.260535] ? check_preemption_disabled+0x48/0x280 [ 365.265558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.271106] __handle_mm_fault+0x3ea0/0x5be0 [ 365.275517] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 365.280359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.285900] ? __fpu__restore_sig+0x62f/0x1680 [ 365.290510] ? zap_class+0x640/0x640 [ 365.294223] ? zap_class+0x640/0x640 [ 365.297929] ? __x64_sys_futex+0x53e/0x6a0 [ 365.302175] ? find_held_lock+0x36/0x1c0 [ 365.306244] ? handle_mm_fault+0x42a/0xc70 [ 365.310477] ? lock_downgrade+0x900/0x900 [ 365.314620] ? check_preemption_disabled+0x48/0x280 [ 365.319650] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.324575] ? kasan_check_read+0x11/0x20 [ 365.328721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.334094] ? rcu_softirq_qs+0x20/0x20 [ 365.338077] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.343178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.348710] ? check_preemption_disabled+0x48/0x280 [ 365.353728] handle_mm_fault+0x54f/0xc70 [ 365.357787] ? __handle_mm_fault+0x5be0/0x5be0 [ 365.362385] ? find_vma+0x34/0x190 [ 365.365928] __do_page_fault+0x5e8/0xe60 [ 365.369983] ? trace_hardirqs_off+0xb8/0x310 [ 365.374387] ? exit_to_usermode_loop+0x1f4/0x380 [ 365.379146] do_page_fault+0xf2/0x7e0 [ 365.382943] ? vmalloc_sync_all+0x30/0x30 [ 365.387094] ? error_entry+0x70/0xd0 [ 365.390806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.395832] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.400761] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.405680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.410511] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.415519] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.420967] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.425977] ? page_fault+0x8/0x30 [ 365.429514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.434353] ? page_fault+0x8/0x30 [ 365.437891] page_fault+0x1e/0x30 [ 365.441358] RIP: 0033:0x45ddf3 [ 365.444596] Code: Bad RIP value. [ 365.447958] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 365.453315] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 365.460579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 365.467847] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 365.475111] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 365.482372] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 365.489666] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 365.489671] warn_alloc_show_mem: 1 callbacks suppressed [ 365.489677] Mem-Info: [ 365.497026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.502393] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 365.502393] active_file:14 inactive_file:13 isolated_file:0 [ 365.502393] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.502393] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 365.502393] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 365.502393] free:13747 free_pcp:512 free_cma:0 [ 365.504764] Call Trace: [ 365.514135] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.547061] [ 365.549624] 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 [ 365.577291] dump_stack+0x244/0x39d [ 365.579407] lowmem_reserve[]: 0 2818 6321 6321 [ 365.605508] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.609112] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 365.613694] warn_alloc.cold.116+0xb7/0x1bd [ 365.618843] lowmem_reserve[]: 0 0 3503 3503 [ 365.646171] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.650462] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 365.654775] ? lock_downgrade+0x900/0x900 [ 365.659588] lowmem_reserve[]: 0 0 0 0 [ 365.688566] ? trace_hardirqs_off+0xb8/0x310 [ 365.692679] 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 [ 365.696474] ? trace_hardirqs_off+0xb8/0x310 [ 365.700850] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 365.714372] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.718746] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 365.734017] ? warn_alloc+0x120/0x120 [ 365.738826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.753205] ? print_usage_bug+0xc0/0xc0 [ 365.756981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.765813] ? warn_alloc+0x120/0x120 [ 365.769850] 165 total pagecache pages [ 365.778412] ? warn_alloc+0x120/0x120 [ 365.782193] 0 pages in swap cache [ 365.785976] ? print_usage_bug+0xc0/0xc0 [ 365.789750] Swap cache stats: add 0, delete 0, find 0/0 [ 365.793187] ? print_usage_bug+0xc0/0xc0 [ 365.797217] Free swap = 0kB [ 365.802565] ? __lock_acquire+0x62f/0x4c20 [ 365.806596] Total swap = 0kB [ 365.809609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.813815] 1965979 pages RAM [ 365.816820] ? should_fail+0x22d/0xd01 [ 365.822327] 0 pages HighMem/MovableOnly [ 365.825427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.829283] 342855 pages reserved [ 365.829290] 0 pages cma reserved [ 365.833252] ? __lock_acquire+0x62f/0x4c20 [ 365.838379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.841763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.845182] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.849330] ? __lock_acquire+0x62f/0x4c20 [ 365.855806] syz-fuzzer cpuset=/ mems_allowed=0 [ 365.860894] ? should_fail+0x22d/0xd01 [ 365.860909] ? find_held_lock+0x36/0x1c0 [ 365.887825] ? mark_held_locks+0x130/0x130 [ 365.892066] ? mark_held_locks+0x130/0x130 [ 365.896785] ? zap_class+0x640/0x640 [ 365.900502] ? zap_class+0x640/0x640 [ 365.904215] ? print_usage_bug+0xc0/0xc0 [ 365.908267] ? do_raw_spin_unlock+0xa7/0x330 [ 365.912679] ? zap_class+0x640/0x640 [ 365.916386] ? print_usage_bug+0xc0/0xc0 [ 365.920439] ? wq_watchdog_touch+0x9c/0xfe [ 365.924671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.930207] ? check_preemption_disabled+0x48/0x280 [ 365.935227] ? __lock_is_held+0xb5/0x140 [ 365.939296] __alloc_pages_nodemask+0xa80/0xde0 [ 365.943960] ? zap_class+0x640/0x640 [ 365.947672] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.952694] ? find_held_lock+0x36/0x1c0 [ 365.956757] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.961433] ? lock_downgrade+0x900/0x900 [ 365.965581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.971122] cache_grow_begin+0xa5/0x8c0 [ 365.975177] ? do_raw_spin_unlock+0xa7/0x330 [ 365.979591] fallback_alloc+0x204/0x2e0 [ 365.983565] ____cache_alloc_node+0x1c7/0x1e0 [ 365.988059] kmem_cache_alloc_node+0xe3/0x730 [ 365.992557] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.996797] __alloc_skb+0x119/0x770 [ 366.000513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.005793] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.010200] ? lock_downgrade+0x900/0x900 [ 366.014356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.019888] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.025335] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.030784] ? addrconf_rs_timer+0x690/0x690 [ 366.035198] ndisc_alloc_skb+0x144/0x340 [ 366.039258] ndisc_send_rs+0x331/0x6e0 [ 366.043187] addrconf_rs_timer+0x314/0x690 [ 366.047459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.051697] call_timer_fn+0x272/0x920 [ 366.055579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.059808] ? process_timeout+0x40/0x40 [ 366.063874] ? __run_timers+0x7da/0xc70 [ 366.067848] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.072337] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.076829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.081072] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.085654] ? trace_hardirqs_on+0xbd/0x310 [ 366.089973] ? kasan_check_read+0x11/0x20 [ 366.094112] ? __run_timers+0x7da/0xc70 [ 366.098083] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.103197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.107434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.111666] __run_timers+0x7e5/0xc70 [ 366.115471] ? timer_fixup_init+0x70/0x70 [ 366.119619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.124629] ? zap_class+0x640/0x640 [ 366.128339] ? enqueue_hrtimer+0x1a5/0x560 [ 366.132571] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.137772] ? find_held_lock+0x36/0x1c0 [ 366.141833] ? zap_class+0x640/0x640 [ 366.145597] ? pvclock_read_flags+0x160/0x160 [ 366.150088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.155622] ? check_preemption_disabled+0x48/0x280 [ 366.160641] ? __lock_is_held+0xb5/0x140 [ 366.164696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.170229] ? check_preemption_disabled+0x48/0x280 [ 366.175256] run_timer_softirq+0x52/0xb0 [ 366.179313] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.184323] __do_softirq+0x308/0xb7e [ 366.188122] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.192613] ? lock_downgrade+0x900/0x900 [ 366.196765] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.201872] ? pvclock_read_flags+0x160/0x160 [ 366.206362] ? lapic_next_event+0x5a/0x90 [ 366.210516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.216055] ? kvm_clock_read+0x18/0x30 [ 366.220024] ? kvm_sched_clock_read+0x9/0x20 [ 366.224429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.229968] ? check_preemption_disabled+0x48/0x280 [ 366.235003] irq_exit+0x17f/0x1c0 [ 366.238454] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.243289] ? smp_reschedule_interrupt+0x109/0x650 [ 366.248300] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.254181] ? interrupt_entry+0xb5/0xc0 [ 366.258237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.263251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.268281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.273117] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.278125] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.283148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.287996] apic_timer_interrupt+0xf/0x20 [ 366.292219] [ 366.294456] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.299384] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 366.318279] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.325980] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.333246] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 366.340516] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 366.347864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.355130] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 366.362430] skb_clone+0x1bb/0x500 [ 366.365970] ? finish_task_switch+0x2f4/0x910 [ 366.370461] ? skb_split+0x11e0/0x11e0 [ 366.374346] ? preempt_notifier_register+0x200/0x200 [ 366.379447] ? __switch_to_asm+0x34/0x70 [ 366.383506] ? __switch_to_asm+0x34/0x70 [ 366.387561] ? __switch_to_asm+0x40/0x70 [ 366.391616] ? __switch_to_asm+0x34/0x70 [ 366.395669] ? __switch_to_asm+0x40/0x70 [ 366.399734] ? __switch_to_asm+0x34/0x70 [ 366.403794] ? __switch_to_asm+0x40/0x70 [ 366.407864] ? __switch_to_asm+0x34/0x70 [ 366.411918] ? __switch_to_asm+0x34/0x70 [ 366.415974] ? __switch_to_asm+0x40/0x70 [ 366.420028] ? __switch_to_asm+0x34/0x70 [ 366.424102] bpf_clone_redirect+0xb9/0x490 [ 366.428335] ? __schedule+0x8d7/0x21d0 [ 366.432223] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 366.437247] ? __sched_text_start+0x8/0x8 [ 366.441392] ? retint_kernel+0x2d/0x2d [ 366.445276] ? trace_hardirqs_on_caller+0xc0/0x310 [ 366.450208] ? find_held_lock+0x36/0x1c0 [ 366.454275] ? lock_acquire+0x1ed/0x520 [ 366.458249] ? bpf_test_run+0x3cb/0x780 [ 366.462222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.467760] ? check_preemption_disabled+0x48/0x280 [ 366.472778] ? kasan_check_read+0x11/0x20 [ 366.476920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.482191] ? rcu_softirq_qs+0x20/0x20 [ 366.486162] ? preempt_schedule+0x4d/0x60 [ 366.490308] ? ___preempt_schedule+0x16/0x18 [ 366.494725] ? bpf_test_run+0x25d/0x780 [ 366.498702] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.503118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.508650] ? bpf_test_init.isra.10+0x70/0x100 [ 366.513319] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 366.518077] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.522919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.528460] ? fput+0x130/0x1a0 [ 366.531740] ? __bpf_prog_get+0x9b/0x290 [ 366.535802] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.540637] ? bpf_prog_test_run+0x130/0x1a0 [ 366.545133] ? __x64_sys_bpf+0x3d8/0x520 [ 366.549187] ? bpf_prog_get+0x20/0x20 [ 366.552999] ? do_syscall_64+0x1b9/0x820 [ 366.557056] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.562416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.567345] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.572370] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.577488] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 366.584156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.589004] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.594379] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 366.594441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.601391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.601398] Call Trace: [ 366.607949] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.617207] [ 366.619772] syz-executor4 cpuset=syz4 mems_allowed=0 [ 366.630256] dump_stack+0x244/0x39d [ 366.641081] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.646278] warn_alloc.cold.116+0xb7/0x1bd [ 366.650598] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.655447] ? lock_downgrade+0x900/0x900 [ 366.659598] ? trace_hardirqs_off+0xb8/0x310 [ 366.664016] ? trace_hardirqs_off+0xb8/0x310 [ 366.668434] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.673299] ? warn_alloc+0x120/0x120 [ 366.677098] ? print_usage_bug+0xc0/0xc0 [ 366.681153] ? warn_alloc+0x120/0x120 [ 366.684954] ? warn_alloc+0x120/0x120 [ 366.688752] ? print_usage_bug+0xc0/0xc0 [ 366.692810] ? kvm_clock_read+0x18/0x30 [ 366.696786] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 366.701800] ? print_usage_bug+0xc0/0xc0 [ 366.705859] ? __lock_acquire+0x62f/0x4c20 [ 366.710095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.715626] ? should_fail+0x22d/0xd01 [ 366.719509] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.724783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.730304] ? __lock_acquire+0x62f/0x4c20 [ 366.734536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.739636] ? __lock_acquire+0x62f/0x4c20 [ 366.743870] ? should_fail+0x22d/0xd01 [ 366.747747] ? rcu_irq_exit+0x1a2/0x390 [ 366.751736] ? mark_held_locks+0x130/0x130 [ 366.755973] ? mark_held_locks+0x130/0x130 [ 366.760207] ? mark_held_locks+0xc7/0x130 [ 366.764352] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 366.769365] ? zap_class+0x640/0x640 [ 366.773079] ? print_usage_bug+0xc0/0xc0 [ 366.777140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.782675] ? check_preemption_disabled+0x48/0x280 [ 366.787716] ? __lock_is_held+0xb5/0x140 [ 366.791788] __alloc_pages_nodemask+0xa80/0xde0 [ 366.796451] ? zap_class+0x640/0x640 [ 366.800176] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 366.805200] ? find_held_lock+0x36/0x1c0 [ 366.809268] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.813934] ? lock_downgrade+0x900/0x900 [ 366.818082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.823625] cache_grow_begin+0xa5/0x8c0 [ 366.827703] ? do_raw_spin_unlock+0xa7/0x330 [ 366.832120] fallback_alloc+0x204/0x2e0 [ 366.836098] ____cache_alloc_node+0x1c7/0x1e0 [ 366.840598] kmem_cache_alloc_node+0xe3/0x730 [ 366.845089] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.849329] __alloc_skb+0x119/0x770 [ 366.853038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.858316] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.862726] ? lock_downgrade+0x900/0x900 [ 366.866878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.872414] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.877864] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.883312] ? addrconf_rs_timer+0x690/0x690 [ 366.887730] ndisc_alloc_skb+0x144/0x340 [ 366.891788] ndisc_send_rs+0x331/0x6e0 [ 366.895672] addrconf_rs_timer+0x314/0x690 [ 366.899916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.904158] call_timer_fn+0x272/0x920 [ 366.908038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.912273] ? process_timeout+0x40/0x40 [ 366.916339] ? mark_held_locks+0xc7/0x130 [ 366.920489] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.924977] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.929462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.933704] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.938286] ? trace_hardirqs_on+0xbd/0x310 [ 366.942602] ? kasan_check_read+0x11/0x20 [ 366.946746] ? __run_timers+0x7da/0xc70 [ 366.950723] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.955838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.960080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.964311] __run_timers+0x7e5/0xc70 [ 366.968116] ? timer_fixup_init+0x70/0x70 [ 366.972262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.977271] ? zap_class+0x640/0x640 [ 366.980989] ? print_usage_bug+0xc0/0xc0 [ 366.985049] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.990242] ? find_held_lock+0x36/0x1c0 [ 366.994306] ? zap_class+0x640/0x640 [ 366.998022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.003559] ? check_preemption_disabled+0x48/0x280 [ 367.008581] ? __lock_is_held+0xb5/0x140 [ 367.012636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.018177] ? check_preemption_disabled+0x48/0x280 [ 367.023194] run_timer_softirq+0x52/0xb0 [ 367.027248] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.032258] __do_softirq+0x308/0xb7e [ 367.036057] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.040544] ? lock_downgrade+0x900/0x900 [ 367.044711] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.049819] ? pvclock_read_flags+0x160/0x160 [ 367.054314] ? lapic_next_event+0x5a/0x90 [ 367.058459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.063992] ? kvm_clock_read+0x18/0x30 [ 367.067961] ? kvm_sched_clock_read+0x9/0x20 [ 367.072367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.077899] ? check_preemption_disabled+0x48/0x280 [ 367.082942] irq_exit+0x17f/0x1c0 [ 367.086391] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.091226] ? smp_reschedule_interrupt+0x109/0x650 [ 367.096238] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.102118] ? interrupt_entry+0xb5/0xc0 [ 367.106175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.111188] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.116202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.121040] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.126049] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.131060] ? task_prio+0x50/0x50 [ 367.134596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.140134] ? check_preemption_disabled+0x48/0x280 [ 367.145150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.149992] apic_timer_interrupt+0xf/0x20 [ 367.154217] [ 367.156454] RIP: 0010:dump_stack+0x358/0x39d [ 367.160858] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.179752] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 367.187468] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 367.194731] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 367.201993] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 367.209258] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 367.216522] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 367.223801] ? dump_stack+0x34f/0x39d [ 367.227612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.232808] ? mark_held_locks+0x130/0x130 [ 367.237037] ? mark_held_locks+0x130/0x130 [ 367.241270] dump_header+0x27b/0xf72 [ 367.244993] ? pagefault_out_of_memory+0x197/0x197 [ 367.249922] ? __lock_acquire+0x62f/0x4c20 [ 367.254153] ? percpu_ref_get_many+0x240/0x240 [ 367.258735] ? print_usage_bug+0xc0/0xc0 [ 367.262796] ? zap_class+0x640/0x640 [ 367.266505] ? print_usage_bug+0xc0/0xc0 [ 367.270820] ? print_usage_bug+0xc0/0xc0 [ 367.274878] ? zap_class+0x640/0x640 [ 367.278588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.284125] ? find_held_lock+0x36/0x1c0 [ 367.288206] ? mark_held_locks+0xc7/0x130 [ 367.292352] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.297454] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.302554] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.307133] ? trace_hardirqs_on+0xbd/0x310 [ 367.311461] ? kasan_check_read+0x11/0x20 [ 367.315602] ? ___ratelimit+0x3b4/0x672 [ 367.319573] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.324675] ? trace_hardirqs_on+0x310/0x310 [ 367.329079] ? lock_downgrade+0x900/0x900 [ 367.333239] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.338336] ? ___ratelimit+0x3b9/0x672 [ 367.342310] ? idr_get_free+0xf70/0xf70 [ 367.346280] ? find_held_lock+0x36/0x1c0 [ 367.350351] oom_kill_process.cold.27+0x10/0x903 [ 367.355101] ? zap_class+0x640/0x640 [ 367.358811] ? check_preemption_disabled+0x48/0x280 [ 367.363828] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.368749] ? kasan_check_read+0x11/0x20 [ 367.372890] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.378161] ? oom_evaluate_task+0x540/0x540 [ 367.382569] ? find_held_lock+0x36/0x1c0 [ 367.386639] ? out_of_memory+0x974/0x1430 [ 367.390785] ? lock_downgrade+0x900/0x900 [ 367.394926] ? check_preemption_disabled+0x48/0x280 [ 367.399951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.404878] ? kasan_check_read+0x11/0x20 [ 367.409021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.414294] ? rcu_softirq_qs+0x20/0x20 [ 367.418270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.423803] ? oom_evaluate_task+0x302/0x540 [ 367.428209] out_of_memory+0xa84/0x1430 [ 367.432184] ? oom_killer_disable+0x3a0/0x3a0 [ 367.436682] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 367.441609] ? __ww_mutex_check_waiters+0x160/0x160 [ 367.446673] __alloc_pages_slowpath+0x2354/0x2e10 [ 367.451538] ? warn_alloc+0x120/0x120 [ 367.455335] ? mark_held_locks+0x130/0x130 [ 367.459570] ? find_get_entry+0xaae/0x1120 [ 367.463806] ? filemap_map_pages+0x1a20/0x1a20 [ 367.468392] ? zap_class+0x640/0x640 [ 367.472108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.477725] ? check_preemption_disabled+0x48/0x280 [ 367.482739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.488274] ? should_fail+0x22d/0xd01 [ 367.492159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.497260] ? zap_class+0x640/0x640 [ 367.500995] ? __lock_is_held+0xb5/0x140 [ 367.505059] ? mark_held_locks+0x130/0x130 [ 367.509295] ? lock_release+0xa00/0xa00 [ 367.513265] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.518711] ? xa_load+0x2ba/0x460 [ 367.522252] ? lock_downgrade+0x900/0x900 [ 367.526397] ? __might_sleep+0x95/0x190 [ 367.530370] __alloc_pages_nodemask+0xa80/0xde0 [ 367.535040] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.540050] ? __page_cache_alloc+0x191/0x5c0 [ 367.544542] ? xa_load+0x2e1/0x460 [ 367.548080] ? xa_clear_mark+0x40/0x40 [ 367.551965] ? zap_class+0x640/0x640 [ 367.555680] ? zap_class+0x640/0x640 [ 367.559401] ? zap_class+0x640/0x640 [ 367.563113] ? __do_page_cache_readahead+0x663/0x810 [ 367.568216] ? find_held_lock+0x36/0x1c0 [ 367.572279] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.577817] alloc_pages_current+0x173/0x350 [ 367.582226] __page_cache_alloc+0x38c/0x5c0 [ 367.586538] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.591481] ? kasan_check_read+0x11/0x20 [ 367.595635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.600914] ? generic_perform_write+0x6a0/0x6a0 [ 367.605673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.611213] ? check_preemption_disabled+0x48/0x280 [ 367.616237] filemap_fault+0x1595/0x25f0 [ 367.620302] ? __lock_page_or_retry+0xa00/0xa00 [ 367.624967] ? mark_held_locks+0x130/0x130 [ 367.629205] ? filemap_map_pages+0xd6b/0x1a20 [ 367.633697] ? lock_downgrade+0x900/0x900 [ 367.637837] ? check_preemption_disabled+0x48/0x280 [ 367.642855] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.647776] ? kasan_check_read+0x11/0x20 [ 367.651920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.657193] ? rcu_softirq_qs+0x20/0x20 [ 367.661175] ? filemap_map_pages+0xd92/0x1a20 [ 367.665680] ? find_get_entries_tag+0x1400/0x1400 [ 367.670524] ? debug_object_destroy+0x2b0/0x2b0 [ 367.675555] ? lock_pi_update_atomic+0x150/0x150 [ 367.680307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.685850] ? lock_acquire+0x1ed/0x520 [ 367.689816] ? ext4_filemap_fault+0x7a/0xad [ 367.694139] ? lock_release+0xa00/0xa00 [ 367.698109] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.703564] ? print_usage_bug+0xc0/0xc0 [ 367.707633] ? print_usage_bug+0xc0/0xc0 [ 367.711698] ? down_read+0x8d/0x120 [ 367.715317] ? ext4_filemap_fault+0x7a/0xad [ 367.719640] ? __down_interruptible+0x700/0x700 [ 367.724315] ext4_filemap_fault+0x82/0xad [ 367.728462] __do_fault+0x100/0x6b0 [ 367.732090] ? pmd_devmap_trans_unstable+0x220/0x220 [ 367.737190] ? mark_held_locks+0x130/0x130 [ 367.741420] ? mark_held_locks+0x130/0x130 [ 367.745653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.751188] ? check_preemption_disabled+0x48/0x280 [ 367.756206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.761742] __handle_mm_fault+0x3ea0/0x5be0 [ 367.766152] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 367.770989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.776522] ? __fpu__restore_sig+0x62f/0x1680 [ 367.781115] ? zap_class+0x640/0x640 [ 367.784823] ? zap_class+0x640/0x640 [ 367.788529] ? __x64_sys_futex+0x53e/0x6a0 [ 367.792764] ? find_held_lock+0x36/0x1c0 [ 367.796829] ? handle_mm_fault+0x42a/0xc70 [ 367.801059] ? lock_downgrade+0x900/0x900 [ 367.805201] ? check_preemption_disabled+0x48/0x280 [ 367.810212] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.815138] ? kasan_check_read+0x11/0x20 [ 367.819283] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.825247] ? rcu_softirq_qs+0x20/0x20 [ 367.829215] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.834317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.839853] ? check_preemption_disabled+0x48/0x280 [ 367.844874] handle_mm_fault+0x54f/0xc70 [ 367.848934] ? __handle_mm_fault+0x5be0/0x5be0 [ 367.853516] ? find_vma+0x34/0x190 [ 367.857054] __do_page_fault+0x5e8/0xe60 [ 367.861113] ? trace_hardirqs_off+0xb8/0x310 [ 367.865515] ? exit_to_usermode_loop+0x1f4/0x380 [ 367.870774] do_page_fault+0xf2/0x7e0 [ 367.874574] ? vmalloc_sync_all+0x30/0x30 [ 367.878729] ? error_entry+0x70/0xd0 [ 367.882438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.887448] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.892373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.897769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.902630] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.907644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.913097] ? prepare_exit_to_usermode+0x291/0x3b0 [ 367.918109] ? page_fault+0x8/0x30 [ 367.921645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.926483] ? page_fault+0x8/0x30 [ 367.930017] page_fault+0x1e/0x30 [ 367.933465] RIP: 0033:0x45ddf3 [ 367.936668] Code: Bad RIP value. [ 367.940021] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 367.945374] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 367.952632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 367.959895] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 367.967155] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 367.974435] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 367.981736] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 367.981741] warn_alloc_show_mem: 1 callbacks suppressed [ 367.981747] Mem-Info: [ 367.989099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.994463] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 367.994463] active_file:14 inactive_file:13 isolated_file:0 [ 367.994463] unevictable:0 dirty:0 writeback:0 unstable:0 [ 367.994463] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 367.994463] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 367.994463] free:13747 free_pcp:512 free_cma:0 [ 367.996832] Call Trace: [ 368.006206] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.039043] [ 368.041609] 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 [ 368.069103] dump_stack+0x244/0x39d [ 368.071213] lowmem_reserve[]: 0 2818 6321 6321 [ 368.097318] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.100915] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.105493] warn_alloc.cold.116+0xb7/0x1bd [ 368.110638] lowmem_reserve[]: 0 0 3503 3503 [ 368.137959] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.142251] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 368.146575] ? lock_downgrade+0x900/0x900 [ 368.151387] lowmem_reserve[]: 0 0 0 0 [ 368.180462] ? trace_hardirqs_off+0xb8/0x310 [ 368.184591] 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 [ 368.188388] ? trace_hardirqs_off+0xb8/0x310 [ 368.192761] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 368.206282] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.210658] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 368.225930] ? warn_alloc+0x120/0x120 [ 368.230732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.245107] ? print_usage_bug+0xc0/0xc0 [ 368.248881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.257698] ? warn_alloc+0x120/0x120 [ 368.261733] 165 total pagecache pages [ 368.270298] ? warn_alloc+0x120/0x120 [ 368.274079] 0 pages in swap cache [ 368.277863] ? print_usage_bug+0xc0/0xc0 [ 368.281634] Swap cache stats: add 0, delete 0, find 0/0 [ 368.285071] ? kvm_clock_read+0x18/0x30 [ 368.289105] Free swap = 0kB [ 368.294451] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 368.298393] Total swap = 0kB [ 368.298400] 1965979 pages RAM [ 368.301409] ? print_usage_bug+0xc0/0xc0 [ 368.306393] 0 pages HighMem/MovableOnly [ 368.306400] 342855 pages reserved [ 368.309405] ? __lock_acquire+0x62f/0x4c20 [ 368.312479] 0 pages cma reserved [ 368.312567] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.316534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.320539] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.323927] ? should_fail+0x22d/0xd01 [ 368.328129] syz-fuzzer cpuset=/ mems_allowed=0 [ 368.331476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.331494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.372467] ? __lock_acquire+0x62f/0x4c20 [ 368.376715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.381818] ? __lock_acquire+0x62f/0x4c20 [ 368.386044] ? should_fail+0x22d/0xd01 [ 368.389940] ? rcu_irq_exit+0x1a2/0x390 [ 368.393921] ? mark_held_locks+0x130/0x130 [ 368.398160] ? mark_held_locks+0x130/0x130 [ 368.402396] ? mark_held_locks+0xc7/0x130 [ 368.406550] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 368.411566] ? zap_class+0x640/0x640 [ 368.415279] ? print_usage_bug+0xc0/0xc0 [ 368.419343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.424878] ? check_preemption_disabled+0x48/0x280 [ 368.429901] ? __lock_is_held+0xb5/0x140 [ 368.433963] __alloc_pages_nodemask+0xa80/0xde0 [ 368.438627] ? zap_class+0x640/0x640 [ 368.442343] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.447366] ? find_held_lock+0x36/0x1c0 [ 368.451433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.456100] ? lock_downgrade+0x900/0x900 [ 368.460247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.465782] cache_grow_begin+0xa5/0x8c0 [ 368.469843] ? do_raw_spin_unlock+0xa7/0x330 [ 368.474256] fallback_alloc+0x204/0x2e0 [ 368.478231] ____cache_alloc_node+0x1c7/0x1e0 [ 368.482740] kmem_cache_alloc_node+0xe3/0x730 [ 368.487245] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.491484] __alloc_skb+0x119/0x770 [ 368.495192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.500466] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.504867] ? lock_downgrade+0x900/0x900 [ 368.509015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.514559] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.520006] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.525450] ? addrconf_rs_timer+0x690/0x690 [ 368.529861] ndisc_alloc_skb+0x144/0x340 [ 368.533919] ndisc_send_rs+0x331/0x6e0 [ 368.537809] addrconf_rs_timer+0x314/0x690 [ 368.542041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.546293] call_timer_fn+0x272/0x920 [ 368.550175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.554405] ? process_timeout+0x40/0x40 [ 368.558470] ? __run_timers+0x7da/0xc70 [ 368.562441] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.566932] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.571423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.575653] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.580235] ? trace_hardirqs_on+0xbd/0x310 [ 368.584555] ? kasan_check_read+0x11/0x20 [ 368.588695] ? __run_timers+0x7da/0xc70 [ 368.592664] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.597772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.602005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.606235] __run_timers+0x7e5/0xc70 [ 368.610054] ? timer_fixup_init+0x70/0x70 [ 368.614198] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.619210] ? zap_class+0x640/0x640 [ 368.622924] ? enqueue_hrtimer+0x1a5/0x560 [ 368.627159] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.632348] ? find_held_lock+0x36/0x1c0 [ 368.636407] ? zap_class+0x640/0x640 [ 368.640117] ? pvclock_read_flags+0x160/0x160 [ 368.644617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.650150] ? check_preemption_disabled+0x48/0x280 [ 368.655168] ? __lock_is_held+0xb5/0x140 [ 368.659225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.664756] ? check_preemption_disabled+0x48/0x280 [ 368.669776] run_timer_softirq+0x52/0xb0 [ 368.673831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.678844] __do_softirq+0x308/0xb7e [ 368.682643] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 368.687157] ? lock_downgrade+0x900/0x900 [ 368.691307] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.696414] ? pvclock_read_flags+0x160/0x160 [ 368.700905] ? lapic_next_event+0x5a/0x90 [ 368.705057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.710602] ? kvm_clock_read+0x18/0x30 [ 368.714569] ? kvm_sched_clock_read+0x9/0x20 [ 368.718976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.724517] ? check_preemption_disabled+0x48/0x280 [ 368.730019] irq_exit+0x17f/0x1c0 [ 368.733473] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.738309] ? smp_reschedule_interrupt+0x109/0x650 [ 368.743323] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.749208] ? interrupt_entry+0xb5/0xc0 [ 368.753269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.758277] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.763287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.768128] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.773139] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.778168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.783013] apic_timer_interrupt+0xf/0x20 [ 368.787242] [ 368.789480] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 368.794413] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 368.813305] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 368.821011] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 368.828276] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 368.835536] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 368.842800] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 368.850073] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 368.857373] skb_clone+0x1bb/0x500 [ 368.860919] ? finish_task_switch+0x2f4/0x910 [ 368.865409] ? skb_split+0x11e0/0x11e0 [ 368.869683] ? preempt_notifier_register+0x200/0x200 [ 368.874783] ? __switch_to_asm+0x34/0x70 [ 368.878840] ? __switch_to_asm+0x34/0x70 [ 368.882895] ? __switch_to_asm+0x40/0x70 [ 368.886952] ? __switch_to_asm+0x34/0x70 [ 368.891005] ? __switch_to_asm+0x40/0x70 [ 368.895066] ? __switch_to_asm+0x34/0x70 [ 368.899120] ? __switch_to_asm+0x40/0x70 [ 368.903176] ? __switch_to_asm+0x34/0x70 [ 368.907240] ? __switch_to_asm+0x34/0x70 [ 368.911294] ? __switch_to_asm+0x40/0x70 [ 368.915351] ? __switch_to_asm+0x34/0x70 [ 368.919416] bpf_clone_redirect+0xb9/0x490 [ 368.923646] ? __schedule+0x8d7/0x21d0 [ 368.927533] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 368.932545] ? __sched_text_start+0x8/0x8 [ 368.936690] ? retint_kernel+0x2d/0x2d [ 368.940576] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.945525] ? find_held_lock+0x36/0x1c0 [ 368.949587] ? lock_acquire+0x1ed/0x520 [ 368.953556] ? bpf_test_run+0x3cb/0x780 [ 368.957528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.963063] ? check_preemption_disabled+0x48/0x280 [ 368.968082] ? kasan_check_read+0x11/0x20 [ 368.972227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.977507] ? rcu_softirq_qs+0x20/0x20 [ 368.981475] ? preempt_schedule+0x4d/0x60 [ 368.985626] ? ___preempt_schedule+0x16/0x18 [ 368.990039] ? bpf_test_run+0x25d/0x780 [ 368.994027] ? netlink_diag_dump+0x2a0/0x2a0 [ 368.998434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.003965] ? bpf_test_init.isra.10+0x70/0x100 [ 369.008637] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 369.013395] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.018232] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.023766] ? fput+0x130/0x1a0 [ 369.027045] ? __bpf_prog_get+0x9b/0x290 [ 369.031105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.035945] ? bpf_prog_test_run+0x130/0x1a0 [ 369.040352] ? __x64_sys_bpf+0x3d8/0x520 [ 369.044406] ? bpf_prog_get+0x20/0x20 [ 369.048220] ? do_syscall_64+0x1b9/0x820 [ 369.052276] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.057637] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.062564] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.067578] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.072594] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 369.079263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.084108] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.089508] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 369.089571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.096523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.096528] Call Trace: [ 369.096534] [ 369.096551] dump_stack+0x244/0x39d [ 369.096569] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.103180] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.112389] warn_alloc.cold.116+0xb7/0x1bd [ 369.114943] syz-executor4 cpuset=syz4 mems_allowed=0 [ 369.117086] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.152051] ? lock_downgrade+0x900/0x900 [ 369.156206] ? trace_hardirqs_off+0xb8/0x310 [ 369.160618] ? trace_hardirqs_off+0xb8/0x310 [ 369.165031] __alloc_pages_slowpath+0x26e8/0x2e10 [ 369.169899] ? warn_alloc+0x120/0x120 [ 369.173701] ? print_usage_bug+0xc0/0xc0 [ 369.177778] ? warn_alloc+0x120/0x120 [ 369.181578] ? zap_class+0x640/0x640 [ 369.185305] ? warn_alloc+0x120/0x120 [ 369.189136] ? print_usage_bug+0xc0/0xc0 [ 369.193195] ? print_usage_bug+0xc0/0xc0 [ 369.197256] ? __lock_acquire+0x62f/0x4c20 [ 369.201511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.207045] ? should_fail+0x22d/0xd01 [ 369.210931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.216028] ? __lock_acquire+0x62f/0x4c20 [ 369.220261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.225363] ? __lock_acquire+0x62f/0x4c20 [ 369.229589] ? should_fail+0x22d/0xd01 [ 369.233478] ? find_held_lock+0x36/0x1c0 [ 369.237548] ? mark_held_locks+0x130/0x130 [ 369.241782] ? mark_held_locks+0x130/0x130 [ 369.246010] ? zap_class+0x640/0x640 [ 369.249721] ? zap_class+0x640/0x640 [ 369.253431] ? print_usage_bug+0xc0/0xc0 [ 369.257503] ? do_raw_spin_unlock+0xa7/0x330 [ 369.261906] ? zap_class+0x640/0x640 [ 369.265615] ? print_usage_bug+0xc0/0xc0 [ 369.269670] ? wq_watchdog_touch+0x9c/0xfe [ 369.273906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.279441] ? check_preemption_disabled+0x48/0x280 [ 369.284492] ? __lock_is_held+0xb5/0x140 [ 369.288562] __alloc_pages_nodemask+0xa80/0xde0 [ 369.293224] ? zap_class+0x640/0x640 [ 369.296940] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.301962] ? find_held_lock+0x36/0x1c0 [ 369.306030] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.310695] ? lock_downgrade+0x900/0x900 [ 369.314847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.320385] cache_grow_begin+0xa5/0x8c0 [ 369.324440] ? do_raw_spin_unlock+0xa7/0x330 [ 369.328861] fallback_alloc+0x204/0x2e0 [ 369.332835] ____cache_alloc_node+0x1c7/0x1e0 [ 369.337339] kmem_cache_alloc_node+0xe3/0x730 [ 369.341833] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.346079] __alloc_skb+0x119/0x770 [ 369.349788] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.355070] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.359485] ? lock_downgrade+0x900/0x900 [ 369.363640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.369172] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.374621] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.380067] ? addrconf_rs_timer+0x690/0x690 [ 369.384494] ndisc_alloc_skb+0x144/0x340 [ 369.388552] ndisc_send_rs+0x331/0x6e0 [ 369.392441] addrconf_rs_timer+0x314/0x690 [ 369.396698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.400948] call_timer_fn+0x272/0x920 [ 369.404848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.409078] ? process_timeout+0x40/0x40 [ 369.413145] ? mark_held_locks+0xc7/0x130 [ 369.417293] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.421783] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.426269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.430498] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.435083] ? trace_hardirqs_on+0xbd/0x310 [ 369.439398] ? kasan_check_read+0x11/0x20 [ 369.443541] ? __run_timers+0x7da/0xc70 [ 369.447511] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.452624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.456863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.461094] __run_timers+0x7e5/0xc70 [ 369.464911] ? timer_fixup_init+0x70/0x70 [ 369.469062] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.474074] ? zap_class+0x640/0x640 [ 369.477785] ? print_usage_bug+0xc0/0xc0 [ 369.481843] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.487034] ? find_held_lock+0x36/0x1c0 [ 369.491093] ? zap_class+0x640/0x640 [ 369.494808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.500342] ? check_preemption_disabled+0x48/0x280 [ 369.505364] ? __lock_is_held+0xb5/0x140 [ 369.509423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.514965] ? check_preemption_disabled+0x48/0x280 [ 369.519981] run_timer_softirq+0x52/0xb0 [ 369.524035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.529049] __do_softirq+0x308/0xb7e [ 369.532847] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.537337] ? lock_downgrade+0x900/0x900 [ 369.541484] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.546588] ? pvclock_read_flags+0x160/0x160 [ 369.551084] ? lapic_next_event+0x5a/0x90 [ 369.555230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.560765] ? kvm_clock_read+0x18/0x30 [ 369.564734] ? kvm_sched_clock_read+0x9/0x20 [ 369.569140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.574671] ? check_preemption_disabled+0x48/0x280 [ 369.579689] irq_exit+0x17f/0x1c0 [ 369.583137] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.587977] ? smp_reschedule_interrupt+0x109/0x650 [ 369.592992] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.598877] ? interrupt_entry+0xb5/0xc0 [ 369.602934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.607945] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.612960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.617799] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.622811] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.627820] ? task_prio+0x50/0x50 [ 369.631356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.636888] ? check_preemption_disabled+0x48/0x280 [ 369.641905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.646748] apic_timer_interrupt+0xf/0x20 [ 369.650976] [ 369.653212] RIP: 0010:dump_stack+0x358/0x39d [ 369.657614] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 369.676509] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 369.684209] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 369.691483] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 369.698749] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 369.706010] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 369.713272] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 369.720559] ? dump_stack+0x34f/0x39d [ 369.724365] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.729552] ? mark_held_locks+0x130/0x130 [ 369.733782] ? mark_held_locks+0x130/0x130 [ 369.738019] dump_header+0x27b/0xf72 [ 369.741739] ? pagefault_out_of_memory+0x197/0x197 [ 369.746674] ? __lock_acquire+0x62f/0x4c20 [ 369.750903] ? percpu_ref_get_many+0x240/0x240 [ 369.755481] ? print_usage_bug+0xc0/0xc0 [ 369.759543] ? zap_class+0x640/0x640 [ 369.763256] ? print_usage_bug+0xc0/0xc0 [ 369.767309] ? print_usage_bug+0xc0/0xc0 [ 369.771366] ? zap_class+0x640/0x640 [ 369.775084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.780620] ? find_held_lock+0x36/0x1c0 [ 369.784696] ? mark_held_locks+0xc7/0x130 [ 369.788842] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.793941] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.799042] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.803620] ? trace_hardirqs_on+0xbd/0x310 [ 369.807938] ? kasan_check_read+0x11/0x20 [ 369.812082] ? ___ratelimit+0x3b4/0x672 [ 369.816052] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.821150] ? trace_hardirqs_on+0x310/0x310 [ 369.825554] ? lock_downgrade+0x900/0x900 [ 369.829704] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.834804] ? ___ratelimit+0x3b9/0x672 [ 369.838772] ? idr_get_free+0xf70/0xf70 [ 369.842740] ? find_held_lock+0x36/0x1c0 [ 369.846805] oom_kill_process.cold.27+0x10/0x903 [ 369.851556] ? zap_class+0x640/0x640 [ 369.855267] ? check_preemption_disabled+0x48/0x280 [ 369.860280] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.865204] ? kasan_check_read+0x11/0x20 [ 369.869347] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.874620] ? oom_evaluate_task+0x540/0x540 [ 369.879026] ? find_held_lock+0x36/0x1c0 [ 369.883088] ? out_of_memory+0x974/0x1430 [ 369.887232] ? lock_downgrade+0x900/0x900 [ 369.891375] ? check_preemption_disabled+0x48/0x280 [ 369.896806] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.901740] ? kasan_check_read+0x11/0x20 [ 369.905884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.911154] ? rcu_softirq_qs+0x20/0x20 [ 369.915126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.920656] ? oom_evaluate_task+0x302/0x540 [ 369.925065] out_of_memory+0xa84/0x1430 [ 369.929040] ? oom_killer_disable+0x3a0/0x3a0 [ 369.933532] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 369.938462] ? __ww_mutex_check_waiters+0x160/0x160 [ 369.943485] __alloc_pages_slowpath+0x2354/0x2e10 [ 369.948352] ? warn_alloc+0x120/0x120 [ 369.952145] ? mark_held_locks+0x130/0x130 [ 369.956381] ? find_get_entry+0xaae/0x1120 [ 369.960624] ? filemap_map_pages+0x1a20/0x1a20 [ 369.965206] ? zap_class+0x640/0x640 [ 369.968922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.974460] ? check_preemption_disabled+0x48/0x280 [ 369.979471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.985001] ? should_fail+0x22d/0xd01 [ 369.988887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.993990] ? zap_class+0x640/0x640 [ 369.997719] ? __lock_is_held+0xb5/0x140 [ 370.001788] ? mark_held_locks+0x130/0x130 [ 370.006024] ? lock_release+0xa00/0xa00 [ 370.009997] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.015445] ? xa_load+0x2ba/0x460 [ 370.018984] ? lock_downgrade+0x900/0x900 [ 370.023142] ? __might_sleep+0x95/0x190 [ 370.027128] __alloc_pages_nodemask+0xa80/0xde0 [ 370.031799] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.036814] ? __page_cache_alloc+0x191/0x5c0 [ 370.041304] ? xa_load+0x2e1/0x460 [ 370.044845] ? xa_clear_mark+0x40/0x40 [ 370.048731] ? zap_class+0x640/0x640 [ 370.052449] ? zap_class+0x640/0x640 [ 370.056160] ? zap_class+0x640/0x640 [ 370.059868] ? __do_page_cache_readahead+0x663/0x810 [ 370.064972] ? find_held_lock+0x36/0x1c0 [ 370.069035] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.074576] alloc_pages_current+0x173/0x350 [ 370.078987] __page_cache_alloc+0x38c/0x5c0 [ 370.083302] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.088225] ? kasan_check_read+0x11/0x20 [ 370.092368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.097651] ? generic_perform_write+0x6a0/0x6a0 [ 370.102416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.107965] ? check_preemption_disabled+0x48/0x280 [ 370.112983] filemap_fault+0x1595/0x25f0 [ 370.117055] ? __lock_page_or_retry+0xa00/0xa00 [ 370.121719] ? mark_held_locks+0x130/0x130 [ 370.125956] ? filemap_map_pages+0xd6b/0x1a20 [ 370.130449] ? lock_downgrade+0x900/0x900 [ 370.134597] ? check_preemption_disabled+0x48/0x280 [ 370.139626] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.144556] ? kasan_check_read+0x11/0x20 [ 370.148961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.154235] ? rcu_softirq_qs+0x20/0x20 [ 370.158217] ? filemap_map_pages+0xd92/0x1a20 [ 370.162724] ? find_get_entries_tag+0x1400/0x1400 [ 370.167569] ? debug_object_destroy+0x2b0/0x2b0 [ 370.172233] ? lock_pi_update_atomic+0x150/0x150 [ 370.176982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.182527] ? lock_acquire+0x1ed/0x520 [ 370.186506] ? ext4_filemap_fault+0x7a/0xad [ 370.190835] ? lock_release+0xa00/0xa00 [ 370.194809] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.200259] ? print_usage_bug+0xc0/0xc0 [ 370.204316] ? print_usage_bug+0xc0/0xc0 [ 370.208389] ? down_read+0x8d/0x120 [ 370.212015] ? ext4_filemap_fault+0x7a/0xad [ 370.216333] ? __down_interruptible+0x700/0x700 [ 370.221005] ext4_filemap_fault+0x82/0xad [ 370.225162] __do_fault+0x100/0x6b0 [ 370.228787] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.233886] ? mark_held_locks+0x130/0x130 [ 370.238116] ? mark_held_locks+0x130/0x130 [ 370.242347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.247888] ? check_preemption_disabled+0x48/0x280 [ 370.252924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.258460] __handle_mm_fault+0x3ea0/0x5be0 [ 370.262870] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 370.267713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.273247] ? __fpu__restore_sig+0x62f/0x1680 [ 370.277854] ? zap_class+0x640/0x640 [ 370.281564] ? zap_class+0x640/0x640 [ 370.285270] ? __x64_sys_futex+0x53e/0x6a0 [ 370.289506] ? find_held_lock+0x36/0x1c0 [ 370.293571] ? handle_mm_fault+0x42a/0xc70 [ 370.297806] ? lock_downgrade+0x900/0x900 [ 370.301947] ? check_preemption_disabled+0x48/0x280 [ 370.306964] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.311890] ? kasan_check_read+0x11/0x20 [ 370.316033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.321304] ? rcu_softirq_qs+0x20/0x20 [ 370.325271] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.330376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.335919] ? check_preemption_disabled+0x48/0x280 [ 370.340939] handle_mm_fault+0x54f/0xc70 [ 370.345002] ? __handle_mm_fault+0x5be0/0x5be0 [ 370.349585] ? find_vma+0x34/0x190 [ 370.353125] __do_page_fault+0x5e8/0xe60 [ 370.357182] ? trace_hardirqs_off+0xb8/0x310 [ 370.361584] ? exit_to_usermode_loop+0x1f4/0x380 [ 370.366356] do_page_fault+0xf2/0x7e0 [ 370.370168] ? vmalloc_sync_all+0x30/0x30 [ 370.374308] ? error_entry+0x70/0xd0 [ 370.378016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.383024] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.387952] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.392876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.397714] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.402725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.408177] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.413189] ? page_fault+0x8/0x30 [ 370.416726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.421568] ? page_fault+0x8/0x30 [ 370.425102] page_fault+0x1e/0x30 [ 370.428551] RIP: 0033:0x45ddf3 [ 370.431750] Code: Bad RIP value. [ 370.435106] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 370.440461] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 370.447721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 370.454981] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 370.462242] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 370.469502] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 370.476789] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 370.476793] warn_alloc_show_mem: 1 callbacks suppressed [ 370.476799] Mem-Info: [ 370.484145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.484152] Call Trace: [ 370.489519] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 370.489519] active_file:14 inactive_file:13 isolated_file:0 [ 370.489519] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.489519] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 370.489519] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 370.489519] free:13747 free_pcp:512 free_cma:0 [ 370.491891] [ 370.501245] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.503816] dump_stack+0x244/0x39d [ 370.536665] 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 [ 370.538813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.566283] lowmem_reserve[]: 0 2818 6321 6321 [ 370.569915] warn_alloc.cold.116+0xb7/0x1bd [ 370.595988] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 370.601168] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.605712] lowmem_reserve[]: 0 0 3503 3503 [ 370.610028] ? lock_downgrade+0x900/0x900 [ 370.637323] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 370.642166] ? trace_hardirqs_off+0xb8/0x310 [ 370.646455] lowmem_reserve[]: 0 0 0 0 [ 370.650596] ? trace_hardirqs_off+0xb8/0x310 [ 370.679548] 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 [ 370.683952] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.687805] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 370.692230] ? warn_alloc+0x120/0x120 [ 370.705700] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 370.710537] ? warn_alloc+0x120/0x120 [ 370.725771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.730084] ? warn_alloc+0x120/0x120 [ 370.744453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.748239] ? print_usage_bug+0xc0/0xc0 [ 370.757046] 165 total pagecache pages [ 370.760832] ? idle_cpu+0x1d0/0x1d0 [ 370.769385] 0 pages in swap cache [ 370.773425] ? kvm_sched_clock_read+0x9/0x20 [ 370.777211] Swap cache stats: add 0, delete 0, find 0/0 [ 370.780822] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 370.784246] Free swap = 0kB [ 370.788640] ? print_usage_bug+0xc0/0xc0 [ 370.793974] Total swap = 0kB [ 370.798982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.801970] 1965979 pages RAM [ 370.806021] ? should_fail+0x22d/0xd01 [ 370.809008] 0 pages HighMem/MovableOnly [ 370.809016] 342855 pages reserved [ 370.814537] ? __lock_acquire+0x62f/0x4c20 [ 370.817620] 0 pages cma reserved [ 370.817702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.821505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.825538] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.828894] ? __lock_acquire+0x62f/0x4c20 [ 370.833103] syz-fuzzer cpuset=/ mems_allowed=0 [ 370.836461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.872182] ? __lock_acquire+0x62f/0x4c20 [ 370.876410] ? should_fail+0x22d/0xd01 [ 370.880303] ? mark_held_locks+0x130/0x130 [ 370.884544] ? mark_held_locks+0x130/0x130 [ 370.888776] ? __enqueue_entity+0x10d/0x1f0 [ 370.893097] ? zap_class+0x640/0x640 [ 370.896805] ? print_usage_bug+0xc0/0xc0 [ 370.900866] ? __lock_acquire+0x62f/0x4c20 [ 370.905099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.910630] ? check_preemption_disabled+0x48/0x280 [ 370.915650] ? __lock_is_held+0xb5/0x140 [ 370.919713] __alloc_pages_nodemask+0xa80/0xde0 [ 370.924381] ? zap_class+0x640/0x640 [ 370.928098] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.933128] ? find_held_lock+0x36/0x1c0 [ 370.937196] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.941865] ? lock_downgrade+0x900/0x900 [ 370.946012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.951552] cache_grow_begin+0xa5/0x8c0 [ 370.955609] ? do_raw_spin_unlock+0xa7/0x330 [ 370.960020] fallback_alloc+0x204/0x2e0 [ 370.963994] ____cache_alloc_node+0x1c7/0x1e0 [ 370.968490] kmem_cache_alloc_node+0xe3/0x730 [ 370.972982] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.977222] __alloc_skb+0x119/0x770 [ 370.980930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.986208] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.990612] ? lock_downgrade+0x900/0x900 [ 370.994764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.000294] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.005761] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.011205] ? addrconf_rs_timer+0x690/0x690 [ 371.015617] ndisc_alloc_skb+0x144/0x340 [ 371.019678] ndisc_send_rs+0x331/0x6e0 [ 371.023568] addrconf_rs_timer+0x314/0x690 [ 371.027803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.032058] call_timer_fn+0x272/0x920 [ 371.035942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.040172] ? process_timeout+0x40/0x40 [ 371.044238] ? __run_timers+0x7da/0xc70 [ 371.048209] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.052701] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.057201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.061434] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.066017] ? trace_hardirqs_on+0xbd/0x310 [ 371.070338] ? kasan_check_read+0x11/0x20 [ 371.074478] ? __run_timers+0x7da/0xc70 [ 371.078473] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.083592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.087825] __run_timers+0x7e5/0xc70 [ 371.091628] ? timer_fixup_init+0x70/0x70 [ 371.095772] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.100783] ? zap_class+0x640/0x640 [ 371.104499] ? enqueue_hrtimer+0x1a5/0x560 [ 371.108731] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.113932] ? find_held_lock+0x36/0x1c0 [ 371.117992] ? zap_class+0x640/0x640 [ 371.121706] ? pvclock_read_flags+0x160/0x160 [ 371.126199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.131730] ? check_preemption_disabled+0x48/0x280 [ 371.136751] ? __lock_is_held+0xb5/0x140 [ 371.140808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.146348] ? check_preemption_disabled+0x48/0x280 [ 371.151364] run_timer_softirq+0x52/0xb0 [ 371.155424] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.160432] __do_softirq+0x308/0xb7e [ 371.164231] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.168720] ? lock_downgrade+0x900/0x900 [ 371.172866] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.177969] ? pvclock_read_flags+0x160/0x160 [ 371.182463] ? lapic_next_event+0x5a/0x90 [ 371.186607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.192146] ? kvm_clock_read+0x18/0x30 [ 371.196117] ? kvm_sched_clock_read+0x9/0x20 [ 371.200524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.206061] ? check_preemption_disabled+0x48/0x280 [ 371.211083] irq_exit+0x17f/0x1c0 [ 371.214533] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.219370] ? smp_reschedule_interrupt+0x109/0x650 [ 371.224382] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.230270] ? interrupt_entry+0xb5/0xc0 [ 371.234339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.239354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.244364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.249203] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.254213] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.259233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.264077] apic_timer_interrupt+0xf/0x20 [ 371.268313] [ 371.270546] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.275479] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 371.294376] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.302081] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.309343] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 371.316607] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 371.323870] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.331136] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 371.338443] skb_clone+0x1bb/0x500 [ 371.341981] ? finish_task_switch+0x2f4/0x910 [ 371.346474] ? skb_split+0x11e0/0x11e0 [ 371.350361] ? preempt_notifier_register+0x200/0x200 [ 371.355461] ? __switch_to_asm+0x34/0x70 [ 371.359523] ? __switch_to_asm+0x34/0x70 [ 371.363579] ? __switch_to_asm+0x40/0x70 [ 371.367639] ? __switch_to_asm+0x34/0x70 [ 371.371714] ? __switch_to_asm+0x40/0x70 [ 371.375770] ? __switch_to_asm+0x34/0x70 [ 371.379827] ? __switch_to_asm+0x40/0x70 [ 371.383893] ? __switch_to_asm+0x34/0x70 [ 371.387952] ? __switch_to_asm+0x34/0x70 [ 371.392011] ? __switch_to_asm+0x40/0x70 [ 371.396077] ? __switch_to_asm+0x34/0x70 [ 371.400141] bpf_clone_redirect+0xb9/0x490 [ 371.404372] ? __schedule+0x8d7/0x21d0 [ 371.408260] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 371.413288] ? __sched_text_start+0x8/0x8 [ 371.417435] ? retint_kernel+0x2d/0x2d [ 371.421323] ? trace_hardirqs_on_caller+0xc0/0x310 [ 371.426252] ? find_held_lock+0x36/0x1c0 [ 371.430322] ? lock_acquire+0x1ed/0x520 [ 371.434300] ? bpf_test_run+0x3cb/0x780 [ 371.438278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.443826] ? check_preemption_disabled+0x48/0x280 [ 371.448847] ? kasan_check_read+0x11/0x20 [ 371.452991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.458268] ? rcu_softirq_qs+0x20/0x20 [ 371.462238] ? preempt_schedule+0x4d/0x60 [ 371.466389] ? ___preempt_schedule+0x16/0x18 [ 371.470807] ? bpf_test_run+0x25d/0x780 [ 371.474795] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.479210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.484745] ? bpf_test_init.isra.10+0x70/0x100 [ 371.489420] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 371.494184] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.499023] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.504661] ? fput+0x130/0x1a0 [ 371.507940] ? __bpf_prog_get+0x9b/0x290 [ 371.511999] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.516835] ? bpf_prog_test_run+0x130/0x1a0 [ 371.521247] ? __x64_sys_bpf+0x3d8/0x520 [ 371.525313] ? bpf_prog_get+0x20/0x20 [ 371.529126] ? do_syscall_64+0x1b9/0x820 [ 371.533183] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.538544] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.543472] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.548490] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.553504] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 371.560177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.565025] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.570400] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 371.570462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.577409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.577414] Call Trace: [ 371.577421] [ 371.577438] dump_stack+0x244/0x39d [ 371.577456] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.584010] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.593297] warn_alloc.cold.116+0xb7/0x1bd [ 371.595843] syz-executor4 cpuset=syz4 mems_allowed=0 [ 371.597985] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.631478] ? lock_downgrade+0x900/0x900 [ 371.635631] ? trace_hardirqs_off+0xb8/0x310 [ 371.640044] ? trace_hardirqs_off+0xb8/0x310 [ 371.644458] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.649324] ? warn_alloc+0x120/0x120 [ 371.653137] ? print_usage_bug+0xc0/0xc0 [ 371.657196] ? warn_alloc+0x120/0x120 [ 371.661002] ? warn_alloc+0x120/0x120 [ 371.664802] ? print_usage_bug+0xc0/0xc0 [ 371.668861] ? kvm_clock_read+0x18/0x30 [ 371.672831] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.677844] ? print_usage_bug+0xc0/0xc0 [ 371.681900] ? __lock_acquire+0x62f/0x4c20 [ 371.686135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.691668] ? should_fail+0x22d/0xd01 [ 371.695563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.700662] ? __lock_acquire+0x62f/0x4c20 [ 371.704894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.709993] ? __lock_acquire+0x62f/0x4c20 [ 371.714232] ? should_fail+0x22d/0xd01 [ 371.718138] ? mark_held_locks+0x130/0x130 [ 371.722371] ? mark_held_locks+0x130/0x130 [ 371.727077] ? zap_class+0x640/0x640 [ 371.730795] ? print_usage_bug+0xc0/0xc0 [ 371.734855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.740392] ? check_preemption_disabled+0x48/0x280 [ 371.745422] ? __lock_is_held+0xb5/0x140 [ 371.749482] __alloc_pages_nodemask+0xa80/0xde0 [ 371.754148] ? zap_class+0x640/0x640 [ 371.757859] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.762893] ? find_held_lock+0x36/0x1c0 [ 371.766958] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.771629] ? lock_downgrade+0x900/0x900 [ 371.775790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.781331] cache_grow_begin+0xa5/0x8c0 [ 371.785387] ? do_raw_spin_unlock+0xa7/0x330 [ 371.789796] fallback_alloc+0x204/0x2e0 [ 371.793774] ____cache_alloc_node+0x1c7/0x1e0 [ 371.798277] kmem_cache_alloc_node+0xe3/0x730 [ 371.802771] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.807010] __alloc_skb+0x119/0x770 [ 371.810717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.815992] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.820395] ? lock_downgrade+0x900/0x900 [ 371.824557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.830095] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.835558] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.841004] ? addrconf_rs_timer+0x690/0x690 [ 371.845421] ndisc_alloc_skb+0x144/0x340 [ 371.849487] ndisc_send_rs+0x331/0x6e0 [ 371.853377] addrconf_rs_timer+0x314/0x690 [ 371.857610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.861849] call_timer_fn+0x272/0x920 [ 371.865730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.870325] ? process_timeout+0x40/0x40 [ 371.874566] ? mark_held_locks+0xc7/0x130 [ 371.878715] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.883203] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.887700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.891933] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.897037] ? trace_hardirqs_on+0xbd/0x310 [ 371.901355] ? kasan_check_read+0x11/0x20 [ 371.905501] ? __run_timers+0x7da/0xc70 [ 371.909475] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.914581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.918814] __run_timers+0x7e5/0xc70 [ 371.922623] ? timer_fixup_init+0x70/0x70 [ 371.926769] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.931783] ? zap_class+0x640/0x640 [ 371.935503] ? print_usage_bug+0xc0/0xc0 [ 371.939560] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.944755] ? find_held_lock+0x36/0x1c0 [ 371.948904] ? zap_class+0x640/0x640 [ 371.952620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.958154] ? check_preemption_disabled+0x48/0x280 [ 371.963175] ? __lock_is_held+0xb5/0x140 [ 371.967245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.972779] ? check_preemption_disabled+0x48/0x280 [ 371.977794] run_timer_softirq+0x52/0xb0 [ 371.981849] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.986864] __do_softirq+0x308/0xb7e [ 371.990835] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.995326] ? lock_downgrade+0x900/0x900 [ 371.999476] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.004580] ? pvclock_read_flags+0x160/0x160 [ 372.009076] ? lapic_next_event+0x5a/0x90 [ 372.013229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.018778] ? kvm_clock_read+0x18/0x30 [ 372.022744] ? kvm_sched_clock_read+0x9/0x20 [ 372.027148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.032682] ? check_preemption_disabled+0x48/0x280 [ 372.037703] irq_exit+0x17f/0x1c0 [ 372.041161] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.045997] ? smp_reschedule_interrupt+0x109/0x650 [ 372.051009] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.056888] ? interrupt_entry+0xb5/0xc0 [ 372.060951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.065961] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.071060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.075901] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.081172] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.086190] ? task_prio+0x50/0x50 [ 372.089733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.095266] ? check_preemption_disabled+0x48/0x280 [ 372.100281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.105217] apic_timer_interrupt+0xf/0x20 [ 372.109447] [ 372.111686] RIP: 0010:dump_stack+0x358/0x39d [ 372.116094] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.134988] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 372.142687] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 372.149950] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 372.157221] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 372.164497] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 372.171758] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 372.179036] ? dump_stack+0x34f/0x39d [ 372.182853] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.188049] ? mark_held_locks+0x130/0x130 [ 372.192283] ? mark_held_locks+0x130/0x130 [ 372.196515] dump_header+0x27b/0xf72 [ 372.200239] ? pagefault_out_of_memory+0x197/0x197 [ 372.205169] ? __lock_acquire+0x62f/0x4c20 [ 372.209409] ? percpu_ref_get_many+0x240/0x240 [ 372.213992] ? print_usage_bug+0xc0/0xc0 [ 372.218058] ? zap_class+0x640/0x640 [ 372.221769] ? print_usage_bug+0xc0/0xc0 [ 372.225823] ? print_usage_bug+0xc0/0xc0 [ 372.229878] ? zap_class+0x640/0x640 [ 372.233595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.239227] ? find_held_lock+0x36/0x1c0 [ 372.243291] ? mark_held_locks+0xc7/0x130 [ 372.247441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.252633] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.257741] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.262322] ? trace_hardirqs_on+0xbd/0x310 [ 372.266642] ? kasan_check_read+0x11/0x20 [ 372.270785] ? ___ratelimit+0x3b4/0x672 [ 372.274755] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.279857] ? trace_hardirqs_on+0x310/0x310 [ 372.284264] ? lock_downgrade+0x900/0x900 [ 372.288413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.293511] ? ___ratelimit+0x3b9/0x672 [ 372.297485] ? idr_get_free+0xf70/0xf70 [ 372.301454] ? find_held_lock+0x36/0x1c0 [ 372.305520] oom_kill_process.cold.27+0x10/0x903 [ 372.310269] ? zap_class+0x640/0x640 [ 372.313993] ? check_preemption_disabled+0x48/0x280 [ 372.319005] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.323927] ? kasan_check_read+0x11/0x20 [ 372.328072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.333348] ? oom_evaluate_task+0x540/0x540 [ 372.337755] ? find_held_lock+0x36/0x1c0 [ 372.341831] ? out_of_memory+0x974/0x1430 [ 372.345978] ? lock_downgrade+0x900/0x900 [ 372.350120] ? check_preemption_disabled+0x48/0x280 [ 372.355139] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.360061] ? kasan_check_read+0x11/0x20 [ 372.364215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.369490] ? rcu_softirq_qs+0x20/0x20 [ 372.373462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.378991] ? oom_evaluate_task+0x302/0x540 [ 372.383400] out_of_memory+0xa84/0x1430 [ 372.387376] ? oom_killer_disable+0x3a0/0x3a0 [ 372.391879] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 372.396810] ? __ww_mutex_check_waiters+0x160/0x160 [ 372.401837] __alloc_pages_slowpath+0x2354/0x2e10 [ 372.406705] ? warn_alloc+0x120/0x120 [ 372.410500] ? mark_held_locks+0x130/0x130 [ 372.414734] ? find_get_entry+0xaae/0x1120 [ 372.418972] ? filemap_map_pages+0x1a20/0x1a20 [ 372.423552] ? zap_class+0x640/0x640 [ 372.427265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.432797] ? check_preemption_disabled+0x48/0x280 [ 372.437810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.443343] ? should_fail+0x22d/0xd01 [ 372.447238] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.452341] ? zap_class+0x640/0x640 [ 372.456075] ? __lock_is_held+0xb5/0x140 [ 372.460180] ? mark_held_locks+0x130/0x130 [ 372.464416] ? lock_release+0xa00/0xa00 [ 372.468393] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.473839] ? xa_load+0x2ba/0x460 [ 372.477377] ? lock_downgrade+0x900/0x900 [ 372.481524] ? __might_sleep+0x95/0x190 [ 372.485501] __alloc_pages_nodemask+0xa80/0xde0 [ 372.490179] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.495213] ? __page_cache_alloc+0x191/0x5c0 [ 372.499705] ? xa_load+0x2e1/0x460 [ 372.503241] ? xa_clear_mark+0x40/0x40 [ 372.507128] ? zap_class+0x640/0x640 [ 372.510852] ? zap_class+0x640/0x640 [ 372.514559] ? zap_class+0x640/0x640 [ 372.518271] ? __do_page_cache_readahead+0x663/0x810 [ 372.523376] ? find_held_lock+0x36/0x1c0 [ 372.527437] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.532980] alloc_pages_current+0x173/0x350 [ 372.537392] __page_cache_alloc+0x38c/0x5c0 [ 372.541706] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.546629] ? kasan_check_read+0x11/0x20 [ 372.550769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.556045] ? generic_perform_write+0x6a0/0x6a0 [ 372.560797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.566331] ? check_preemption_disabled+0x48/0x280 [ 372.571347] filemap_fault+0x1595/0x25f0 [ 372.575421] ? __lock_page_or_retry+0xa00/0xa00 [ 372.580086] ? mark_held_locks+0x130/0x130 [ 372.584323] ? filemap_map_pages+0xd6b/0x1a20 [ 372.588835] ? lock_downgrade+0x900/0x900 [ 372.592974] ? check_preemption_disabled+0x48/0x280 [ 372.597989] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.602911] ? kasan_check_read+0x11/0x20 [ 372.607052] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.612328] ? rcu_softirq_qs+0x20/0x20 [ 372.616310] ? filemap_map_pages+0xd92/0x1a20 [ 372.620816] ? find_get_entries_tag+0x1400/0x1400 [ 372.625658] ? debug_object_destroy+0x2b0/0x2b0 [ 372.630324] ? lock_pi_update_atomic+0x150/0x150 [ 372.635086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.640630] ? lock_acquire+0x1ed/0x520 [ 372.644598] ? ext4_filemap_fault+0x7a/0xad [ 372.648923] ? lock_release+0xa00/0xa00 [ 372.652893] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.658342] ? print_usage_bug+0xc0/0xc0 [ 372.662399] ? print_usage_bug+0xc0/0xc0 [ 372.666464] ? down_read+0x8d/0x120 [ 372.670083] ? ext4_filemap_fault+0x7a/0xad [ 372.674400] ? __down_interruptible+0x700/0x700 [ 372.679072] ext4_filemap_fault+0x82/0xad [ 372.683226] __do_fault+0x100/0x6b0 [ 372.686850] ? pmd_devmap_trans_unstable+0x220/0x220 [ 372.691954] ? mark_held_locks+0x130/0x130 [ 372.696189] ? mark_held_locks+0x130/0x130 [ 372.700420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.705966] ? check_preemption_disabled+0x48/0x280 [ 372.710982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.716520] __handle_mm_fault+0x3ea0/0x5be0 [ 372.720934] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 372.726221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.731756] ? __fpu__restore_sig+0x62f/0x1680 [ 372.736351] ? zap_class+0x640/0x640 [ 372.740058] ? zap_class+0x640/0x640 [ 372.743765] ? __x64_sys_futex+0x53e/0x6a0 [ 372.748002] ? find_held_lock+0x36/0x1c0 [ 372.752069] ? handle_mm_fault+0x42a/0xc70 [ 372.756299] ? lock_downgrade+0x900/0x900 [ 372.760440] ? check_preemption_disabled+0x48/0x280 [ 372.765453] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.770376] ? kasan_check_read+0x11/0x20 [ 372.774521] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.779796] ? rcu_softirq_qs+0x20/0x20 [ 372.783768] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.788874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.794405] ? check_preemption_disabled+0x48/0x280 [ 372.799427] handle_mm_fault+0x54f/0xc70 [ 372.803509] ? __handle_mm_fault+0x5be0/0x5be0 [ 372.808267] ? find_vma+0x34/0x190 [ 372.811807] __do_page_fault+0x5e8/0xe60 [ 372.815865] ? trace_hardirqs_off+0xb8/0x310 [ 372.820271] ? exit_to_usermode_loop+0x1f4/0x380 [ 372.825031] do_page_fault+0xf2/0x7e0 [ 372.828831] ? vmalloc_sync_all+0x30/0x30 [ 372.832972] ? error_entry+0x70/0xd0 [ 372.836679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.841690] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.846619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.851549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.856389] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.861401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.866855] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.871949] ? page_fault+0x8/0x30 [ 372.875487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.880327] ? page_fault+0x8/0x30 [ 372.883861] page_fault+0x1e/0x30 [ 372.887312] RIP: 0033:0x45ddf3 [ 372.890516] Code: Bad RIP value. [ 372.893869] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 372.899236] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 372.906496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 372.913758] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 372.921019] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 372.928291] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 372.935572] warn_alloc_show_mem: 1 callbacks suppressed [ 372.935581] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 372.935583] Mem-Info: [ 372.935616] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 372.935616] active_file:14 inactive_file:13 isolated_file:0 [ 372.935616] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.935616] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 372.935616] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 372.935616] free:13747 free_pcp:512 free_cma:0 [ 372.940944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.948301] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.950693] Call Trace: [ 372.983549] 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 [ 372.992888] [ 373.020356] lowmem_reserve[]: 0 2818 6321 6321 [ 373.022938] dump_stack+0x244/0x39d [ 373.049012] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 373.051160] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.055703] lowmem_reserve[]: 0 0 3503 3503 [ 373.059335] warn_alloc.cold.116+0xb7/0x1bd [ 373.086630] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 373.091813] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.096099] lowmem_reserve[]: 0 0 0 0 [ 373.100425] ? lock_downgrade+0x900/0x900 [ 373.129368] 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 [ 373.134207] ? trace_hardirqs_off+0xb8/0x310 [ 373.137976] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 373.142122] ? trace_hardirqs_off+0xb8/0x310 [ 373.155611] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 373.160026] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.175256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.179674] ? warn_alloc+0x120/0x120 [ 373.194039] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.198868] ? print_usage_bug+0xc0/0xc0 [ 373.207673] 165 total pagecache pages [ 373.211459] ? warn_alloc+0x120/0x120 [ 373.220022] 0 pages in swap cache [ 373.224068] ? warn_alloc+0x120/0x120 [ 373.227845] Swap cache stats: add 0, delete 0, find 0/0 [ 373.231633] ? print_usage_bug+0xc0/0xc0 [ 373.235050] Free swap = 0kB [ 373.238837] ? kvm_clock_read+0x18/0x30 [ 373.244164] Total swap = 0kB [ 373.244172] 1965979 pages RAM [ 373.248220] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 373.251221] 0 pages HighMem/MovableOnly [ 373.255199] ? print_usage_bug+0xc0/0xc0 [ 373.258184] 342855 pages reserved [ 373.258191] 0 pages cma reserved [ 373.261287] ? __lock_acquire+0x62f/0x4c20 [ 373.266335] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.270239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.274349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.277713] ? should_fail+0x22d/0xd01 [ 373.281051] syz-fuzzer cpuset=/ mems_allowed=0 [ 373.285265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.285283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.326257] ? __lock_acquire+0x62f/0x4c20 [ 373.330599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.335734] ? __lock_acquire+0x62f/0x4c20 [ 373.339994] ? should_fail+0x22d/0xd01 [ 373.343876] ? rcu_irq_exit+0x1a2/0x390 [ 373.347857] ? mark_held_locks+0x130/0x130 [ 373.352098] ? mark_held_locks+0x130/0x130 [ 373.356333] ? mark_held_locks+0xc7/0x130 [ 373.360480] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 373.365493] ? zap_class+0x640/0x640 [ 373.369203] ? print_usage_bug+0xc0/0xc0 [ 373.373266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.378801] ? check_preemption_disabled+0x48/0x280 [ 373.383823] ? __lock_is_held+0xb5/0x140 [ 373.387888] __alloc_pages_nodemask+0xa80/0xde0 [ 373.392551] ? zap_class+0x640/0x640 [ 373.396263] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.401285] ? find_held_lock+0x36/0x1c0 [ 373.405351] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.410016] ? lock_downgrade+0x900/0x900 [ 373.414169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.419738] cache_grow_begin+0xa5/0x8c0 [ 373.423818] ? do_raw_spin_unlock+0xa7/0x330 [ 373.428228] fallback_alloc+0x204/0x2e0 [ 373.432205] ____cache_alloc_node+0x1c7/0x1e0 [ 373.436700] kmem_cache_alloc_node+0xe3/0x730 [ 373.441195] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.445442] __alloc_skb+0x119/0x770 [ 373.449149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.454429] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.458834] ? lock_downgrade+0x900/0x900 [ 373.462994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.468540] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.473988] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.479432] ? addrconf_rs_timer+0x690/0x690 [ 373.483848] ndisc_alloc_skb+0x144/0x340 [ 373.487907] ndisc_send_rs+0x331/0x6e0 [ 373.491801] addrconf_rs_timer+0x314/0x690 [ 373.496034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.500276] call_timer_fn+0x272/0x920 [ 373.504159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.508388] ? process_timeout+0x40/0x40 [ 373.512455] ? __run_timers+0x7da/0xc70 [ 373.516430] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.520927] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.525414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.529644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.534222] ? trace_hardirqs_on+0xbd/0x310 [ 373.538538] ? kasan_check_read+0x11/0x20 [ 373.542680] ? __run_timers+0x7da/0xc70 [ 373.546653] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.551755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.555987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.560220] __run_timers+0x7e5/0xc70 [ 373.564028] ? timer_fixup_init+0x70/0x70 [ 373.568171] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.573185] ? zap_class+0x640/0x640 [ 373.576895] ? enqueue_hrtimer+0x1a5/0x560 [ 373.581127] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.586326] ? find_held_lock+0x36/0x1c0 [ 373.590386] ? zap_class+0x640/0x640 [ 373.594106] ? pvclock_read_flags+0x160/0x160 [ 373.598610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.604142] ? check_preemption_disabled+0x48/0x280 [ 373.609165] ? __lock_is_held+0xb5/0x140 [ 373.613221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.618755] ? check_preemption_disabled+0x48/0x280 [ 373.623774] run_timer_softirq+0x52/0xb0 [ 373.627830] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.632843] __do_softirq+0x308/0xb7e [ 373.636643] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 373.641132] ? lock_downgrade+0x900/0x900 [ 373.645287] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.650390] ? pvclock_read_flags+0x160/0x160 [ 373.654885] ? lapic_next_event+0x5a/0x90 [ 373.659029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.664576] ? kvm_clock_read+0x18/0x30 [ 373.668549] ? kvm_sched_clock_read+0x9/0x20 [ 373.672953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.678488] ? check_preemption_disabled+0x48/0x280 [ 373.683509] irq_exit+0x17f/0x1c0 [ 373.686960] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.691800] ? smp_reschedule_interrupt+0x109/0x650 [ 373.696817] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.702699] ? interrupt_entry+0xb5/0xc0 [ 373.706756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.711766] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.716777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.721626] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.726638] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.731659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.736502] apic_timer_interrupt+0xf/0x20 [ 373.740737] [ 373.742973] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.747903] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 373.766823] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.774538] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.781802] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 373.789070] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 373.796347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.803609] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 373.810910] skb_clone+0x1bb/0x500 [ 373.814450] ? finish_task_switch+0x2f4/0x910 [ 373.818945] ? skb_split+0x11e0/0x11e0 [ 373.822828] ? preempt_notifier_register+0x200/0x200 [ 373.827925] ? __switch_to_asm+0x34/0x70 [ 373.831980] ? __switch_to_asm+0x34/0x70 [ 373.836038] ? __switch_to_asm+0x40/0x70 [ 373.840102] ? __switch_to_asm+0x34/0x70 [ 373.844158] ? __switch_to_asm+0x40/0x70 [ 373.848234] ? __switch_to_asm+0x34/0x70 [ 373.852296] ? __switch_to_asm+0x40/0x70 [ 373.856351] ? __switch_to_asm+0x34/0x70 [ 373.860423] ? __switch_to_asm+0x34/0x70 [ 373.864477] ? __switch_to_asm+0x40/0x70 [ 373.868533] ? __switch_to_asm+0x34/0x70 [ 373.872609] bpf_clone_redirect+0xb9/0x490 [ 373.876926] ? __schedule+0x8d7/0x21d0 [ 373.880814] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 373.885829] ? __sched_text_start+0x8/0x8 [ 373.889975] ? retint_kernel+0x2d/0x2d [ 373.894188] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.899128] ? find_held_lock+0x36/0x1c0 [ 373.903195] ? lock_acquire+0x1ed/0x520 [ 373.907175] ? bpf_test_run+0x3cb/0x780 [ 373.911145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.916679] ? check_preemption_disabled+0x48/0x280 [ 373.921695] ? kasan_check_read+0x11/0x20 [ 373.925837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.931106] ? rcu_softirq_qs+0x20/0x20 [ 373.935076] ? preempt_schedule+0x4d/0x60 [ 373.939220] ? ___preempt_schedule+0x16/0x18 [ 373.943630] ? bpf_test_run+0x25d/0x780 [ 373.947611] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.952018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.957552] ? bpf_test_init.isra.10+0x70/0x100 [ 373.962225] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 373.966987] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.971822] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.977354] ? fput+0x130/0x1a0 [ 373.980629] ? __bpf_prog_get+0x9b/0x290 [ 373.984689] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.989529] ? bpf_prog_test_run+0x130/0x1a0 [ 373.993954] ? __x64_sys_bpf+0x3d8/0x520 [ 373.998012] ? bpf_prog_get+0x20/0x20 [ 374.001830] ? do_syscall_64+0x1b9/0x820 [ 374.005900] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.011253] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.016182] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.021196] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.026208] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 374.032876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.037727] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.043119] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 374.043188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.050124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.050131] Call Trace: [ 374.056681] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.065938] [ 374.068503] syz-executor4 cpuset=syz4 mems_allowed=0 [ 374.078975] dump_stack+0x244/0x39d [ 374.089804] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.095002] warn_alloc.cold.116+0xb7/0x1bd [ 374.099333] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.104174] ? lock_downgrade+0x900/0x900 [ 374.108327] ? trace_hardirqs_off+0xb8/0x310 [ 374.112750] ? trace_hardirqs_off+0xb8/0x310 [ 374.117163] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.122035] ? warn_alloc+0x120/0x120 [ 374.125836] ? print_usage_bug+0xc0/0xc0 [ 374.129896] ? warn_alloc+0x120/0x120 [ 374.133695] ? warn_alloc+0x120/0x120 [ 374.137490] ? print_usage_bug+0xc0/0xc0 [ 374.141543] ? kvm_clock_read+0x18/0x30 [ 374.145512] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 374.150524] ? print_usage_bug+0xc0/0xc0 [ 374.154583] ? __lock_acquire+0x62f/0x4c20 [ 374.158817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.164352] ? should_fail+0x22d/0xd01 [ 374.168232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.173507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.178609] ? __lock_acquire+0x62f/0x4c20 [ 374.182846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.188073] ? __lock_acquire+0x62f/0x4c20 [ 374.192301] ? should_fail+0x22d/0xd01 [ 374.196182] ? rcu_irq_exit+0x1a2/0x390 [ 374.200161] ? mark_held_locks+0x130/0x130 [ 374.204399] ? mark_held_locks+0x130/0x130 [ 374.208634] ? mark_held_locks+0xc7/0x130 [ 374.212776] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 374.217789] ? zap_class+0x640/0x640 [ 374.221500] ? print_usage_bug+0xc0/0xc0 [ 374.225563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.231094] ? check_preemption_disabled+0x48/0x280 [ 374.236116] ? __lock_is_held+0xb5/0x140 [ 374.240176] __alloc_pages_nodemask+0xa80/0xde0 [ 374.244838] ? zap_class+0x640/0x640 [ 374.248553] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.253575] ? find_held_lock+0x36/0x1c0 [ 374.257647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.262318] ? lock_downgrade+0x900/0x900 [ 374.266469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.272012] cache_grow_begin+0xa5/0x8c0 [ 374.276076] ? do_raw_spin_unlock+0xa7/0x330 [ 374.280485] fallback_alloc+0x204/0x2e0 [ 374.284463] ____cache_alloc_node+0x1c7/0x1e0 [ 374.288960] kmem_cache_alloc_node+0xe3/0x730 [ 374.293450] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.297690] __alloc_skb+0x119/0x770 [ 374.301399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.306673] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.311077] ? lock_downgrade+0x900/0x900 [ 374.315229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.320782] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.326231] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.331675] ? addrconf_rs_timer+0x690/0x690 [ 374.336091] ndisc_alloc_skb+0x144/0x340 [ 374.340151] ndisc_send_rs+0x331/0x6e0 [ 374.344043] addrconf_rs_timer+0x314/0x690 [ 374.348276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.352521] call_timer_fn+0x272/0x920 [ 374.356405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.360632] ? process_timeout+0x40/0x40 [ 374.364713] ? mark_held_locks+0xc7/0x130 [ 374.368861] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.373354] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.377841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.382075] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.386658] ? trace_hardirqs_on+0xbd/0x310 [ 374.390979] ? kasan_check_read+0x11/0x20 [ 374.395123] ? __run_timers+0x7da/0xc70 [ 374.399098] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.404198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.408433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.412664] __run_timers+0x7e5/0xc70 [ 374.416478] ? timer_fixup_init+0x70/0x70 [ 374.420625] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.425638] ? zap_class+0x640/0x640 [ 374.429352] ? print_usage_bug+0xc0/0xc0 [ 374.433410] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.438601] ? find_held_lock+0x36/0x1c0 [ 374.442661] ? zap_class+0x640/0x640 [ 374.446378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.451911] ? check_preemption_disabled+0x48/0x280 [ 374.456929] ? __lock_is_held+0xb5/0x140 [ 374.460997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.466537] ? check_preemption_disabled+0x48/0x280 [ 374.471569] run_timer_softirq+0x52/0xb0 [ 374.475624] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.480638] __do_softirq+0x308/0xb7e [ 374.484435] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.488928] ? lock_downgrade+0x900/0x900 [ 374.493076] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.498185] ? pvclock_read_flags+0x160/0x160 [ 374.502674] ? lapic_next_event+0x5a/0x90 [ 374.506823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.512359] ? kvm_clock_read+0x18/0x30 [ 374.516333] ? kvm_sched_clock_read+0x9/0x20 [ 374.520738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.526271] ? check_preemption_disabled+0x48/0x280 [ 374.531291] irq_exit+0x17f/0x1c0 [ 374.534742] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.539578] ? smp_reschedule_interrupt+0x109/0x650 [ 374.544675] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.550554] ? interrupt_entry+0xb5/0xc0 [ 374.554610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.559628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.564666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.569528] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.574541] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.579552] ? task_prio+0x50/0x50 [ 374.583089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.588623] ? check_preemption_disabled+0x48/0x280 [ 374.593640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.598482] apic_timer_interrupt+0xf/0x20 [ 374.602706] [ 374.604939] RIP: 0010:dump_stack+0x358/0x39d [ 374.609347] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 374.628329] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 374.636027] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 374.643288] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 374.650552] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 374.657817] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 374.665081] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 374.672371] ? dump_stack+0x34f/0x39d [ 374.676180] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.681375] ? mark_held_locks+0x130/0x130 [ 374.685629] ? mark_held_locks+0x130/0x130 [ 374.689862] dump_header+0x27b/0xf72 [ 374.693580] ? pagefault_out_of_memory+0x197/0x197 [ 374.698511] ? __lock_acquire+0x62f/0x4c20 [ 374.702740] ? percpu_ref_get_many+0x240/0x240 [ 374.707317] ? print_usage_bug+0xc0/0xc0 [ 374.711376] ? zap_class+0x640/0x640 [ 374.715096] ? print_usage_bug+0xc0/0xc0 [ 374.719152] ? print_usage_bug+0xc0/0xc0 [ 374.723221] ? zap_class+0x640/0x640 [ 374.727438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.732996] ? find_held_lock+0x36/0x1c0 [ 374.737061] ? mark_held_locks+0xc7/0x130 [ 374.741210] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.746307] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.751409] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.755997] ? trace_hardirqs_on+0xbd/0x310 [ 374.760311] ? kasan_check_read+0x11/0x20 [ 374.764453] ? ___ratelimit+0x3b4/0x672 [ 374.768435] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.773534] ? trace_hardirqs_on+0x310/0x310 [ 374.777941] ? lock_downgrade+0x900/0x900 [ 374.782098] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.787193] ? ___ratelimit+0x3b9/0x672 [ 374.791162] ? idr_get_free+0xf70/0xf70 [ 374.795131] ? find_held_lock+0x36/0x1c0 [ 374.799200] oom_kill_process.cold.27+0x10/0x903 [ 374.803978] ? zap_class+0x640/0x640 [ 374.807692] ? check_preemption_disabled+0x48/0x280 [ 374.812706] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.817629] ? kasan_check_read+0x11/0x20 [ 374.821769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.827040] ? oom_evaluate_task+0x540/0x540 [ 374.831446] ? find_held_lock+0x36/0x1c0 [ 374.835511] ? out_of_memory+0x974/0x1430 [ 374.839658] ? lock_downgrade+0x900/0x900 [ 374.843803] ? check_preemption_disabled+0x48/0x280 [ 374.848818] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.853740] ? kasan_check_read+0x11/0x20 [ 374.857882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.863160] ? rcu_softirq_qs+0x20/0x20 [ 374.867134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.872662] ? oom_evaluate_task+0x302/0x540 [ 374.877074] out_of_memory+0xa84/0x1430 [ 374.881053] ? oom_killer_disable+0x3a0/0x3a0 [ 374.885544] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 374.890474] ? __ww_mutex_check_waiters+0x160/0x160 [ 374.895494] __alloc_pages_slowpath+0x2354/0x2e10 [ 374.900355] ? warn_alloc+0x120/0x120 [ 374.904150] ? mark_held_locks+0x130/0x130 [ 374.908387] ? find_get_entry+0xaae/0x1120 [ 374.912625] ? filemap_map_pages+0x1a20/0x1a20 [ 374.917205] ? zap_class+0x640/0x640 [ 374.920917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.926454] ? check_preemption_disabled+0x48/0x280 [ 374.931468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.937009] ? should_fail+0x22d/0xd01 [ 374.940894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.946000] ? zap_class+0x640/0x640 [ 374.949728] ? __lock_is_held+0xb5/0x140 [ 374.953800] ? mark_held_locks+0x130/0x130 [ 374.958028] ? lock_release+0xa00/0xa00 [ 374.961996] ? perf_trace_sched_process_exec+0x860/0x860 [ 374.967442] ? xa_load+0x2ba/0x460 [ 374.970982] ? lock_downgrade+0x900/0x900 [ 374.975129] ? __might_sleep+0x95/0x190 [ 374.979106] __alloc_pages_nodemask+0xa80/0xde0 [ 374.983774] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.988785] ? __page_cache_alloc+0x191/0x5c0 [ 374.993277] ? xa_load+0x2e1/0x460 [ 374.996818] ? xa_clear_mark+0x40/0x40 [ 375.000713] ? zap_class+0x640/0x640 [ 375.004432] ? zap_class+0x640/0x640 [ 375.008137] ? zap_class+0x640/0x640 [ 375.011858] ? __do_page_cache_readahead+0x663/0x810 [ 375.016971] ? find_held_lock+0x36/0x1c0 [ 375.021029] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 375.026567] alloc_pages_current+0x173/0x350 [ 375.030984] __page_cache_alloc+0x38c/0x5c0 [ 375.035299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.040221] ? kasan_check_read+0x11/0x20 [ 375.044364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.049648] ? generic_perform_write+0x6a0/0x6a0 [ 375.054400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.059939] ? check_preemption_disabled+0x48/0x280 [ 375.064974] filemap_fault+0x1595/0x25f0 [ 375.069045] ? __lock_page_or_retry+0xa00/0xa00 [ 375.073710] ? mark_held_locks+0x130/0x130 [ 375.077962] ? filemap_map_pages+0xd6b/0x1a20 [ 375.082453] ? lock_downgrade+0x900/0x900 [ 375.086599] ? check_preemption_disabled+0x48/0x280 [ 375.091613] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.096541] ? kasan_check_read+0x11/0x20 [ 375.100682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.105963] ? rcu_softirq_qs+0x20/0x20 [ 375.109962] ? filemap_map_pages+0xd92/0x1a20 [ 375.114463] ? find_get_entries_tag+0x1400/0x1400 [ 375.119302] ? debug_object_destroy+0x2b0/0x2b0 [ 375.123971] ? lock_pi_update_atomic+0x150/0x150 [ 375.128720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.134261] ? lock_acquire+0x1ed/0x520 [ 375.138243] ? ext4_filemap_fault+0x7a/0xad [ 375.142564] ? lock_release+0xa00/0xa00 [ 375.146532] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.151979] ? print_usage_bug+0xc0/0xc0 [ 375.156036] ? print_usage_bug+0xc0/0xc0 [ 375.160100] ? down_read+0x8d/0x120 [ 375.163727] ? ext4_filemap_fault+0x7a/0xad [ 375.168047] ? __down_interruptible+0x700/0x700 [ 375.172727] ext4_filemap_fault+0x82/0xad [ 375.176874] __do_fault+0x100/0x6b0 [ 375.180514] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.185638] ? mark_held_locks+0x130/0x130 [ 375.189877] ? mark_held_locks+0x130/0x130 [ 375.194122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.199653] ? check_preemption_disabled+0x48/0x280 [ 375.204756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.210292] __handle_mm_fault+0x3ea0/0x5be0 [ 375.214706] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 375.219543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.225075] ? __fpu__restore_sig+0x62f/0x1680 [ 375.229669] ? zap_class+0x640/0x640 [ 375.233376] ? zap_class+0x640/0x640 [ 375.237090] ? __x64_sys_futex+0x53e/0x6a0 [ 375.241322] ? find_held_lock+0x36/0x1c0 [ 375.245387] ? handle_mm_fault+0x42a/0xc70 [ 375.249616] ? lock_downgrade+0x900/0x900 [ 375.253757] ? check_preemption_disabled+0x48/0x280 [ 375.258768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.263690] ? kasan_check_read+0x11/0x20 [ 375.267835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.273105] ? rcu_softirq_qs+0x20/0x20 [ 375.277079] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.282176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.287707] ? check_preemption_disabled+0x48/0x280 [ 375.292736] handle_mm_fault+0x54f/0xc70 [ 375.296797] ? __handle_mm_fault+0x5be0/0x5be0 [ 375.301379] ? find_vma+0x34/0x190 [ 375.304929] __do_page_fault+0x5e8/0xe60 [ 375.308990] ? trace_hardirqs_off+0xb8/0x310 [ 375.313395] ? exit_to_usermode_loop+0x1f4/0x380 [ 375.318154] do_page_fault+0xf2/0x7e0 [ 375.321955] ? vmalloc_sync_all+0x30/0x30 [ 375.326096] ? error_entry+0x70/0xd0 [ 375.329819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.334831] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.339755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.344677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.349517] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.354527] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.359979] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.364988] ? page_fault+0x8/0x30 [ 375.368525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.373365] ? page_fault+0x8/0x30 [ 375.376910] page_fault+0x1e/0x30 [ 375.380358] RIP: 0033:0x45ddf3 [ 375.383555] Code: Bad RIP value. [ 375.386918] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 375.392296] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 375.399562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 375.406823] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 375.414083] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 375.421343] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 375.428626] warn_alloc_show_mem: 1 callbacks suppressed [ 375.428636] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 375.428638] Mem-Info: [ 375.428668] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 375.428668] active_file:14 inactive_file:13 isolated_file:0 [ 375.428668] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.428668] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 375.428668] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 375.428668] free:13747 free_pcp:512 free_cma:0 [ 375.433993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.434001] Call Trace: [ 375.441370] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.443758] [ 375.476636] 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 [ 375.485986] dump_stack+0x244/0x39d [ 375.488540] lowmem_reserve[]: 0 2818 6321 6321 [ 375.516030] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.518152] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 375.544274] warn_alloc.cold.116+0xb7/0x1bd [ 375.547863] lowmem_reserve[]: 0 0 3503 3503 [ 375.552447] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.557615] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 375.584935] ? lock_downgrade+0x900/0x900 [ 375.589217] lowmem_reserve[]: 0 0 0 0 [ 375.593536] ? trace_hardirqs_off+0xb8/0x310 [ 375.598346] 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 [ 375.627312] ? trace_hardirqs_off+0xb8/0x310 [ 375.631432] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 375.635225] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.639617] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 375.653161] ? warn_alloc+0x120/0x120 [ 375.657530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.672782] ? print_usage_bug+0xc0/0xc0 [ 375.677601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.691972] ? warn_alloc+0x120/0x120 [ 375.695747] 165 total pagecache pages [ 375.704574] ? warn_alloc+0x120/0x120 [ 375.708612] 0 pages in swap cache [ 375.717196] ? print_usage_bug+0xc0/0xc0 [ 375.720969] Swap cache stats: add 0, delete 0, find 0/0 [ 375.724754] ? kvm_clock_read+0x18/0x30 [ 375.728526] Free swap = 0kB [ 375.731964] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 375.735994] Total swap = 0kB [ 375.741344] ? print_usage_bug+0xc0/0xc0 [ 375.745289] 1965979 pages RAM [ 375.748296] ? __lock_acquire+0x62f/0x4c20 [ 375.753284] 0 pages HighMem/MovableOnly [ 375.756292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.760320] 342855 pages reserved [ 375.760327] 0 pages cma reserved [ 375.763422] ? should_fail+0x22d/0xd01 [ 375.767680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.771592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.771610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.777198] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.780561] ? __lock_acquire+0x62f/0x4c20 [ 375.783901] syz-fuzzer cpuset=/ mems_allowed=0 [ 375.787779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.828669] ? __lock_acquire+0x62f/0x4c20 [ 375.832896] ? should_fail+0x22d/0xd01 [ 375.836778] ? rcu_irq_exit+0x1a2/0x390 [ 375.840757] ? mark_held_locks+0x130/0x130 [ 375.844989] ? mark_held_locks+0x130/0x130 [ 375.849230] ? mark_held_locks+0xc7/0x130 [ 375.853372] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 375.858395] ? zap_class+0x640/0x640 [ 375.862108] ? print_usage_bug+0xc0/0xc0 [ 375.866178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.871716] ? check_preemption_disabled+0x48/0x280 [ 375.876738] ? __lock_is_held+0xb5/0x140 [ 375.880804] __alloc_pages_nodemask+0xa80/0xde0 [ 375.885472] ? zap_class+0x640/0x640 [ 375.889196] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.895179] ? find_held_lock+0x36/0x1c0 [ 375.899257] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.903935] ? lock_downgrade+0x900/0x900 [ 375.908085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.913626] cache_grow_begin+0xa5/0x8c0 [ 375.917682] ? do_raw_spin_unlock+0xa7/0x330 [ 375.922093] fallback_alloc+0x204/0x2e0 [ 375.926070] ____cache_alloc_node+0x1c7/0x1e0 [ 375.930569] kmem_cache_alloc_node+0xe3/0x730 [ 375.935065] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.939306] __alloc_skb+0x119/0x770 [ 375.943018] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.948296] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.952703] ? lock_downgrade+0x900/0x900 [ 375.956858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.962408] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.967866] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.973316] ? addrconf_rs_timer+0x690/0x690 [ 375.977733] ndisc_alloc_skb+0x144/0x340 [ 375.981797] ndisc_send_rs+0x331/0x6e0 [ 375.985686] addrconf_rs_timer+0x314/0x690 [ 375.989918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.994158] call_timer_fn+0x272/0x920 [ 375.998042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.002270] ? process_timeout+0x40/0x40 [ 376.006354] ? __run_timers+0x7da/0xc70 [ 376.010331] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.014821] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.019317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.023546] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.028132] ? trace_hardirqs_on+0xbd/0x310 [ 376.032452] ? kasan_check_read+0x11/0x20 [ 376.036606] ? __run_timers+0x7da/0xc70 [ 376.040577] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.045677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.049914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.054141] __run_timers+0x7e5/0xc70 [ 376.057944] ? timer_fixup_init+0x70/0x70 [ 376.062088] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.067103] ? zap_class+0x640/0x640 [ 376.070902] ? enqueue_hrtimer+0x1a5/0x560 [ 376.075134] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.080335] ? find_held_lock+0x36/0x1c0 [ 376.084406] ? zap_class+0x640/0x640 [ 376.088120] ? pvclock_read_flags+0x160/0x160 [ 376.092614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.098158] ? check_preemption_disabled+0x48/0x280 [ 376.103181] ? __lock_is_held+0xb5/0x140 [ 376.107247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.112784] ? check_preemption_disabled+0x48/0x280 [ 376.117804] run_timer_softirq+0x52/0xb0 [ 376.121870] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.126882] __do_softirq+0x308/0xb7e [ 376.130689] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.135181] ? lock_downgrade+0x900/0x900 [ 376.139327] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.144431] ? pvclock_read_flags+0x160/0x160 [ 376.148926] ? lapic_next_event+0x5a/0x90 [ 376.153071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.158610] ? kvm_clock_read+0x18/0x30 [ 376.162580] ? kvm_sched_clock_read+0x9/0x20 [ 376.166989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.172526] ? check_preemption_disabled+0x48/0x280 [ 376.177547] irq_exit+0x17f/0x1c0 [ 376.180996] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.185842] ? smp_reschedule_interrupt+0x109/0x650 [ 376.190861] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.196744] ? interrupt_entry+0xb5/0xc0 [ 376.200820] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.205845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.210863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.215702] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.220715] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.225736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.230578] apic_timer_interrupt+0xf/0x20 [ 376.234800] [ 376.237043] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.241968] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 376.260863] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 376.268577] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.275847] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 376.283118] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 376.290381] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.297648] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 376.304958] skb_clone+0x1bb/0x500 [ 376.308497] ? finish_task_switch+0x2f4/0x910 [ 376.313000] ? skb_split+0x11e0/0x11e0 [ 376.316884] ? preempt_notifier_register+0x200/0x200 [ 376.321988] ? __switch_to_asm+0x34/0x70 [ 376.326043] ? __switch_to_asm+0x34/0x70 [ 376.330099] ? __switch_to_asm+0x40/0x70 [ 376.334153] ? __switch_to_asm+0x34/0x70 [ 376.338212] ? __switch_to_asm+0x40/0x70 [ 376.342265] ? __switch_to_asm+0x34/0x70 [ 376.346324] ? __switch_to_asm+0x40/0x70 [ 376.350386] ? __switch_to_asm+0x34/0x70 [ 376.354530] ? __switch_to_asm+0x34/0x70 [ 376.358585] ? __switch_to_asm+0x40/0x70 [ 376.362642] ? __switch_to_asm+0x34/0x70 [ 376.366704] bpf_clone_redirect+0xb9/0x490 [ 376.370940] ? __schedule+0x8d7/0x21d0 [ 376.374837] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 376.379856] ? __sched_text_start+0x8/0x8 [ 376.384001] ? retint_kernel+0x2d/0x2d [ 376.387906] ? trace_hardirqs_on_caller+0xc0/0x310 [ 376.392842] ? find_held_lock+0x36/0x1c0 [ 376.396909] ? lock_acquire+0x1ed/0x520 [ 376.400880] ? bpf_test_run+0x3cb/0x780 [ 376.404850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.410384] ? check_preemption_disabled+0x48/0x280 [ 376.415402] ? kasan_check_read+0x11/0x20 [ 376.419547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.424824] ? rcu_softirq_qs+0x20/0x20 [ 376.428794] ? preempt_schedule+0x4d/0x60 [ 376.432944] ? ___preempt_schedule+0x16/0x18 [ 376.437359] ? bpf_test_run+0x25d/0x780 [ 376.441350] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.445754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.451288] ? bpf_test_init.isra.10+0x70/0x100 [ 376.455956] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 376.460717] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.465554] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.471085] ? fput+0x130/0x1a0 [ 376.474363] ? __bpf_prog_get+0x9b/0x290 [ 376.478421] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.483259] ? bpf_prog_test_run+0x130/0x1a0 [ 376.487693] ? __x64_sys_bpf+0x3d8/0x520 [ 376.491749] ? bpf_prog_get+0x20/0x20 [ 376.495565] ? do_syscall_64+0x1b9/0x820 [ 376.499629] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.504992] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.509920] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.514933] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.519947] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 376.526629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.531476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.536855] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 376.536918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.543862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.543866] Call Trace: [ 376.543872] [ 376.543889] dump_stack+0x244/0x39d [ 376.543907] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.550511] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.559848] warn_alloc.cold.116+0xb7/0x1bd [ 376.562389] syz-executor4 cpuset=syz4 mems_allowed=0 [ 376.564527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.598238] ? lock_downgrade+0x900/0x900 [ 376.602387] ? trace_hardirqs_off+0xb8/0x310 [ 376.606823] ? trace_hardirqs_off+0xb8/0x310 [ 376.611234] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.616097] ? warn_alloc+0x120/0x120 [ 376.619898] ? print_usage_bug+0xc0/0xc0 [ 376.623955] ? warn_alloc+0x120/0x120 [ 376.627756] ? warn_alloc+0x120/0x120 [ 376.631552] ? print_usage_bug+0xc0/0xc0 [ 376.635606] ? kvm_clock_read+0x18/0x30 [ 376.639575] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.644587] ? print_usage_bug+0xc0/0xc0 [ 376.648645] ? __lock_acquire+0x62f/0x4c20 [ 376.652879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.658412] ? should_fail+0x22d/0xd01 [ 376.662297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.667588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.672696] ? __lock_acquire+0x62f/0x4c20 [ 376.676940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.682045] ? __lock_acquire+0x62f/0x4c20 [ 376.686276] ? should_fail+0x22d/0xd01 [ 376.690159] ? rcu_irq_exit+0x1a2/0x390 [ 376.694137] ? mark_held_locks+0x130/0x130 [ 376.698373] ? mark_held_locks+0x130/0x130 [ 376.702610] ? mark_held_locks+0xc7/0x130 [ 376.706751] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.711768] ? zap_class+0x640/0x640 [ 376.715484] ? print_usage_bug+0xc0/0xc0 [ 376.719546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.725081] ? check_preemption_disabled+0x48/0x280 [ 376.731602] ? __lock_is_held+0xb5/0x140 [ 376.735668] __alloc_pages_nodemask+0xa80/0xde0 [ 376.740335] ? zap_class+0x640/0x640 [ 376.744053] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.749075] ? find_held_lock+0x36/0x1c0 [ 376.753140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.757817] ? lock_downgrade+0x900/0x900 [ 376.761971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.767509] cache_grow_begin+0xa5/0x8c0 [ 376.771565] ? do_raw_spin_unlock+0xa7/0x330 [ 376.775975] fallback_alloc+0x204/0x2e0 [ 376.779953] ____cache_alloc_node+0x1c7/0x1e0 [ 376.784454] kmem_cache_alloc_node+0xe3/0x730 [ 376.788944] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.793183] __alloc_skb+0x119/0x770 [ 376.796891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.802165] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.806573] ? lock_downgrade+0x900/0x900 [ 376.810721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.816253] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.821702] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.827150] ? addrconf_rs_timer+0x690/0x690 [ 376.831577] ndisc_alloc_skb+0x144/0x340 [ 376.835636] ndisc_send_rs+0x331/0x6e0 [ 376.839520] addrconf_rs_timer+0x314/0x690 [ 376.843839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.848081] call_timer_fn+0x272/0x920 [ 376.851964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.856199] ? process_timeout+0x40/0x40 [ 376.860263] ? mark_held_locks+0xc7/0x130 [ 376.864412] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.868904] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.873392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.877621] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.882214] ? trace_hardirqs_on+0xbd/0x310 [ 376.886535] ? kasan_check_read+0x11/0x20 [ 376.890677] ? __run_timers+0x7da/0xc70 [ 376.894647] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.899754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.903991] __run_timers+0x7e5/0xc70 [ 376.907809] ? timer_fixup_init+0x70/0x70 [ 376.911953] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.916978] ? zap_class+0x640/0x640 [ 376.920692] ? print_usage_bug+0xc0/0xc0 [ 376.924748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.929944] ? find_held_lock+0x36/0x1c0 [ 376.934009] ? zap_class+0x640/0x640 [ 376.937726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.943258] ? check_preemption_disabled+0x48/0x280 [ 376.948278] ? __lock_is_held+0xb5/0x140 [ 376.952339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.957870] ? check_preemption_disabled+0x48/0x280 [ 376.962896] run_timer_softirq+0x52/0xb0 [ 376.966954] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.971968] __do_softirq+0x308/0xb7e [ 376.975776] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.980280] ? lock_downgrade+0x900/0x900 [ 376.984435] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.989541] ? pvclock_read_flags+0x160/0x160 [ 376.994034] ? lapic_next_event+0x5a/0x90 [ 376.998180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.003721] ? kvm_clock_read+0x18/0x30 [ 377.007691] ? kvm_sched_clock_read+0x9/0x20 [ 377.012099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.017634] ? check_preemption_disabled+0x48/0x280 [ 377.022657] irq_exit+0x17f/0x1c0 [ 377.026104] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.030943] ? smp_reschedule_interrupt+0x109/0x650 [ 377.035957] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.041838] ? interrupt_entry+0xb5/0xc0 [ 377.045908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.050920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.055936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.060783] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.065800] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.070813] ? task_prio+0x50/0x50 [ 377.074348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.079881] ? check_preemption_disabled+0x48/0x280 [ 377.084897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.089742] apic_timer_interrupt+0xf/0x20 [ 377.093975] [ 377.096225] RIP: 0010:dump_stack+0x358/0x39d [ 377.100628] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 377.119534] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 377.127239] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 377.134501] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 377.141766] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 377.149033] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 377.156293] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 377.163571] ? dump_stack+0x34f/0x39d [ 377.167376] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.172567] ? mark_held_locks+0x130/0x130 [ 377.176795] ? mark_held_locks+0x130/0x130 [ 377.181049] dump_header+0x27b/0xf72 [ 377.184788] ? pagefault_out_of_memory+0x197/0x197 [ 377.189722] ? __lock_acquire+0x62f/0x4c20 [ 377.193959] ? percpu_ref_get_many+0x240/0x240 [ 377.198540] ? print_usage_bug+0xc0/0xc0 [ 377.202600] ? zap_class+0x640/0x640 [ 377.206310] ? print_usage_bug+0xc0/0xc0 [ 377.210364] ? print_usage_bug+0xc0/0xc0 [ 377.214420] ? zap_class+0x640/0x640 [ 377.218135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.223670] ? find_held_lock+0x36/0x1c0 [ 377.227742] ? mark_held_locks+0xc7/0x130 [ 377.231894] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.236992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.242089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.246671] ? trace_hardirqs_on+0xbd/0x310 [ 377.250985] ? kasan_check_read+0x11/0x20 [ 377.255129] ? ___ratelimit+0x3b4/0x672 [ 377.259101] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.264202] ? trace_hardirqs_on+0x310/0x310 [ 377.268606] ? lock_downgrade+0x900/0x900 [ 377.272770] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.277866] ? ___ratelimit+0x3b9/0x672 [ 377.281838] ? idr_get_free+0xf70/0xf70 [ 377.285806] ? find_held_lock+0x36/0x1c0 [ 377.289869] oom_kill_process.cold.27+0x10/0x903 [ 377.294619] ? zap_class+0x640/0x640 [ 377.298328] ? check_preemption_disabled+0x48/0x280 [ 377.303340] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.308264] ? kasan_check_read+0x11/0x20 [ 377.312404] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.317679] ? oom_evaluate_task+0x540/0x540 [ 377.322087] ? find_held_lock+0x36/0x1c0 [ 377.326148] ? out_of_memory+0x974/0x1430 [ 377.330307] ? lock_downgrade+0x900/0x900 [ 377.334454] ? check_preemption_disabled+0x48/0x280 [ 377.339468] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.344393] ? kasan_check_read+0x11/0x20 [ 377.348539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.353816] ? rcu_softirq_qs+0x20/0x20 [ 377.357790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.363335] ? oom_evaluate_task+0x302/0x540 [ 377.367753] out_of_memory+0xa84/0x1430 [ 377.371739] ? oom_killer_disable+0x3a0/0x3a0 [ 377.376233] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 377.381161] ? __ww_mutex_check_waiters+0x160/0x160 [ 377.386193] __alloc_pages_slowpath+0x2354/0x2e10 [ 377.391148] ? warn_alloc+0x120/0x120 [ 377.394940] ? mark_held_locks+0x130/0x130 [ 377.399177] ? find_get_entry+0xaae/0x1120 [ 377.403413] ? filemap_map_pages+0x1a20/0x1a20 [ 377.407998] ? zap_class+0x640/0x640 [ 377.411731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.417268] ? check_preemption_disabled+0x48/0x280 [ 377.422282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.427817] ? should_fail+0x22d/0xd01 [ 377.431701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.436806] ? zap_class+0x640/0x640 [ 377.440538] ? __lock_is_held+0xb5/0x140 [ 377.444603] ? mark_held_locks+0x130/0x130 [ 377.448837] ? lock_release+0xa00/0xa00 [ 377.452805] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.458248] ? xa_load+0x2ba/0x460 [ 377.461787] ? lock_downgrade+0x900/0x900 [ 377.465934] ? __might_sleep+0x95/0x190 [ 377.469908] __alloc_pages_nodemask+0xa80/0xde0 [ 377.474578] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.479588] ? __page_cache_alloc+0x191/0x5c0 [ 377.484081] ? xa_load+0x2e1/0x460 [ 377.487617] ? xa_clear_mark+0x40/0x40 [ 377.491500] ? zap_class+0x640/0x640 [ 377.495216] ? zap_class+0x640/0x640 [ 377.498921] ? zap_class+0x640/0x640 [ 377.502632] ? __do_page_cache_readahead+0x663/0x810 [ 377.507747] ? find_held_lock+0x36/0x1c0 [ 377.511808] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 377.517344] alloc_pages_current+0x173/0x350 [ 377.521768] __page_cache_alloc+0x38c/0x5c0 [ 377.526085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.531006] ? kasan_check_read+0x11/0x20 [ 377.535152] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.540428] ? generic_perform_write+0x6a0/0x6a0 [ 377.545182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.550725] ? check_preemption_disabled+0x48/0x280 [ 377.555751] filemap_fault+0x1595/0x25f0 [ 377.559817] ? __lock_page_or_retry+0xa00/0xa00 [ 377.564484] ? mark_held_locks+0x130/0x130 [ 377.568735] ? filemap_map_pages+0xd6b/0x1a20 [ 377.573229] ? lock_downgrade+0x900/0x900 [ 377.577371] ? check_preemption_disabled+0x48/0x280 [ 377.582388] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.587310] ? kasan_check_read+0x11/0x20 [ 377.591456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.596741] ? rcu_softirq_qs+0x20/0x20 [ 377.600737] ? filemap_map_pages+0xd92/0x1a20 [ 377.605240] ? find_get_entries_tag+0x1400/0x1400 [ 377.610086] ? debug_object_destroy+0x2b0/0x2b0 [ 377.614759] ? lock_pi_update_atomic+0x150/0x150 [ 377.619507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.625048] ? lock_acquire+0x1ed/0x520 [ 377.629028] ? ext4_filemap_fault+0x7a/0xad [ 377.633348] ? lock_release+0xa00/0xa00 [ 377.637323] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.642767] ? print_usage_bug+0xc0/0xc0 [ 377.646826] ? print_usage_bug+0xc0/0xc0 [ 377.650891] ? down_read+0x8d/0x120 [ 377.654514] ? ext4_filemap_fault+0x7a/0xad [ 377.658841] ? __down_interruptible+0x700/0x700 [ 377.663521] ext4_filemap_fault+0x82/0xad [ 377.667667] __do_fault+0x100/0x6b0 [ 377.671297] ? pmd_devmap_trans_unstable+0x220/0x220 [ 377.676397] ? mark_held_locks+0x130/0x130 [ 377.680628] ? mark_held_locks+0x130/0x130 [ 377.684858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.690410] ? check_preemption_disabled+0x48/0x280 [ 377.695426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.700963] __handle_mm_fault+0x3ea0/0x5be0 [ 377.705376] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 377.710224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.715761] ? __fpu__restore_sig+0x62f/0x1680 [ 377.720360] ? zap_class+0x640/0x640 [ 377.724069] ? zap_class+0x640/0x640 [ 377.728261] ? __x64_sys_futex+0x53e/0x6a0 [ 377.732499] ? find_held_lock+0x36/0x1c0 [ 377.736562] ? handle_mm_fault+0x42a/0xc70 [ 377.740794] ? lock_downgrade+0x900/0x900 [ 377.744940] ? check_preemption_disabled+0x48/0x280 [ 377.749955] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.754877] ? kasan_check_read+0x11/0x20 [ 377.759020] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.764292] ? rcu_softirq_qs+0x20/0x20 [ 377.768262] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.773361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.778897] ? check_preemption_disabled+0x48/0x280 [ 377.783920] handle_mm_fault+0x54f/0xc70 [ 377.787978] ? __handle_mm_fault+0x5be0/0x5be0 [ 377.792557] ? find_vma+0x34/0x190 [ 377.796100] __do_page_fault+0x5e8/0xe60 [ 377.800156] ? trace_hardirqs_off+0xb8/0x310 [ 377.804557] ? exit_to_usermode_loop+0x1f4/0x380 [ 377.809316] do_page_fault+0xf2/0x7e0 [ 377.813116] ? vmalloc_sync_all+0x30/0x30 [ 377.817257] ? error_entry+0x70/0xd0 [ 377.820965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.825975] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.830899] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.835825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.840685] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.845701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.851159] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.856174] ? page_fault+0x8/0x30 [ 377.859735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.864575] ? page_fault+0x8/0x30 [ 377.868112] page_fault+0x1e/0x30 [ 377.871556] RIP: 0033:0x45ddf3 [ 377.874757] Code: Bad RIP value. [ 377.878123] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 377.883485] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 377.890756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 377.898432] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 377.905705] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 377.912970] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 377.920296] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 377.920307] warn_alloc_show_mem: 1 callbacks suppressed [ 377.920312] Mem-Info: [ 377.927661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.933028] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 377.933028] active_file:14 inactive_file:13 isolated_file:0 [ 377.933028] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.933028] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 377.933028] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 377.933028] free:13747 free_pcp:512 free_cma:0 [ 377.935404] Call Trace: [ 377.944774] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.977612] [ 377.980179] 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 [ 378.007681] dump_stack+0x244/0x39d [ 378.009795] lowmem_reserve[]: 0 2818 6321 6321 [ 378.035901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.039498] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 378.044077] warn_alloc.cold.116+0xb7/0x1bd [ 378.049229] lowmem_reserve[]: 0 0 3503 3503 [ 378.076625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.080915] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 378.085230] ? lock_downgrade+0x900/0x900 [ 378.090042] lowmem_reserve[]: 0 0 0 0 [ 378.119006] ? trace_hardirqs_off+0xb8/0x310 [ 378.123119] 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 [ 378.126912] ? trace_hardirqs_off+0xb8/0x310 [ 378.131289] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 378.144804] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.149185] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 378.164458] ? warn_alloc+0x120/0x120 [ 378.169257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.183631] ? print_usage_bug+0xc0/0xc0 [ 378.187414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.196228] ? warn_alloc+0x120/0x120 [ 378.200262] 165 total pagecache pages [ 378.208826] ? warn_alloc+0x120/0x120 [ 378.212605] 0 pages in swap cache [ 378.216385] ? print_usage_bug+0xc0/0xc0 [ 378.220159] Swap cache stats: add 0, delete 0, find 0/0 [ 378.223599] ? print_usage_bug+0xc0/0xc0 [ 378.227631] Free swap = 0kB [ 378.232986] ? __lock_acquire+0x62f/0x4c20 [ 378.237036] Total swap = 0kB [ 378.240042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.244244] 1965979 pages RAM [ 378.247250] ? should_fail+0x22d/0xd01 [ 378.252756] 0 pages HighMem/MovableOnly [ 378.255849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.259704] 342855 pages reserved [ 378.263669] ? __lock_acquire+0x62f/0x4c20 [ 378.268747] 0 pages cma reserved [ 378.272195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.276457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.279755] ? __lock_acquire+0x62f/0x4c20 [ 378.284911] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.291318] ? should_fail+0x22d/0xd01 [ 378.295524] syz-fuzzer cpuset=/ mems_allowed=0 [ 378.305736] ? find_held_lock+0x36/0x1c0 [ 378.318217] ? mark_held_locks+0x130/0x130 [ 378.322449] ? mark_held_locks+0x130/0x130 [ 378.326679] ? zap_class+0x640/0x640 [ 378.330389] ? zap_class+0x640/0x640 [ 378.334099] ? print_usage_bug+0xc0/0xc0 [ 378.338153] ? do_raw_spin_unlock+0xa7/0x330 [ 378.342561] ? zap_class+0x640/0x640 [ 378.346272] ? print_usage_bug+0xc0/0xc0 [ 378.350327] ? wq_watchdog_touch+0x9c/0xfe [ 378.354558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.360092] ? check_preemption_disabled+0x48/0x280 [ 378.365111] ? __lock_is_held+0xb5/0x140 [ 378.369178] __alloc_pages_nodemask+0xa80/0xde0 [ 378.373842] ? zap_class+0x640/0x640 [ 378.377567] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.382585] ? find_held_lock+0x36/0x1c0 [ 378.386656] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.391323] ? lock_downgrade+0x900/0x900 [ 378.395477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.401010] cache_grow_begin+0xa5/0x8c0 [ 378.405069] ? do_raw_spin_unlock+0xa7/0x330 [ 378.409480] fallback_alloc+0x204/0x2e0 [ 378.413541] ____cache_alloc_node+0x1c7/0x1e0 [ 378.418036] kmem_cache_alloc_node+0xe3/0x730 [ 378.422526] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.426767] __alloc_skb+0x119/0x770 [ 378.430474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.435751] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.440162] ? lock_downgrade+0x900/0x900 [ 378.444311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.449848] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.455298] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.460741] ? addrconf_rs_timer+0x690/0x690 [ 378.465158] ndisc_alloc_skb+0x144/0x340 [ 378.469216] ndisc_send_rs+0x331/0x6e0 [ 378.473105] addrconf_rs_timer+0x314/0x690 [ 378.477340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.481576] call_timer_fn+0x272/0x920 [ 378.485459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.489691] ? process_timeout+0x40/0x40 [ 378.493753] ? __run_timers+0x7da/0xc70 [ 378.497725] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.502224] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.506711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.510940] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.515531] ? trace_hardirqs_on+0xbd/0x310 [ 378.519854] ? kasan_check_read+0x11/0x20 [ 378.523998] ? __run_timers+0x7da/0xc70 [ 378.527970] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.533070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.537309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.541535] __run_timers+0x7e5/0xc70 [ 378.545350] ? timer_fixup_init+0x70/0x70 [ 378.549495] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.554509] ? zap_class+0x640/0x640 [ 378.558223] ? enqueue_hrtimer+0x1a5/0x560 [ 378.562457] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.567653] ? find_held_lock+0x36/0x1c0 [ 378.571713] ? zap_class+0x640/0x640 [ 378.575427] ? pvclock_read_flags+0x160/0x160 [ 378.579918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.585454] ? check_preemption_disabled+0x48/0x280 [ 378.590476] ? __lock_is_held+0xb5/0x140 [ 378.594535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.600069] ? check_preemption_disabled+0x48/0x280 [ 378.605171] run_timer_softirq+0x52/0xb0 [ 378.609232] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.614243] __do_softirq+0x308/0xb7e [ 378.618046] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.622549] ? lock_downgrade+0x900/0x900 [ 378.626699] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.631802] ? pvclock_read_flags+0x160/0x160 [ 378.636298] ? lapic_next_event+0x5a/0x90 [ 378.640445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.645985] ? kvm_clock_read+0x18/0x30 [ 378.649957] ? kvm_sched_clock_read+0x9/0x20 [ 378.654367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.659920] ? check_preemption_disabled+0x48/0x280 [ 378.664939] irq_exit+0x17f/0x1c0 [ 378.668388] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.673226] ? smp_reschedule_interrupt+0x109/0x650 [ 378.678237] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.684117] ? interrupt_entry+0xb5/0xc0 [ 378.688180] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.693191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.698206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.703048] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.708060] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.713086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.717934] apic_timer_interrupt+0xf/0x20 [ 378.722157] [ 378.724394] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.730039] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 378.748939] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 378.756644] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.763909] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 378.771174] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 378.778434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.785698] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 378.793005] skb_clone+0x1bb/0x500 [ 378.796546] ? finish_task_switch+0x2f4/0x910 [ 378.801037] ? skb_split+0x11e0/0x11e0 [ 378.804926] ? preempt_notifier_register+0x200/0x200 [ 378.810025] ? __switch_to_asm+0x34/0x70 [ 378.814083] ? __switch_to_asm+0x34/0x70 [ 378.818142] ? __switch_to_asm+0x40/0x70 [ 378.822203] ? __switch_to_asm+0x34/0x70 [ 378.826259] ? __switch_to_asm+0x40/0x70 [ 378.830316] ? __switch_to_asm+0x34/0x70 [ 378.834371] ? __switch_to_asm+0x40/0x70 [ 378.838427] ? __switch_to_asm+0x34/0x70 [ 378.842486] ? __switch_to_asm+0x34/0x70 [ 378.846543] ? __switch_to_asm+0x40/0x70 [ 378.850607] ? __switch_to_asm+0x34/0x70 [ 378.854681] bpf_clone_redirect+0xb9/0x490 [ 378.858912] ? __schedule+0x8d7/0x21d0 [ 378.862806] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 378.867823] ? __sched_text_start+0x8/0x8 [ 378.871972] ? retint_kernel+0x2d/0x2d [ 378.875858] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.880797] ? find_held_lock+0x36/0x1c0 [ 378.884863] ? lock_acquire+0x1ed/0x520 [ 378.888846] ? bpf_test_run+0x3cb/0x780 [ 378.892817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.898361] ? check_preemption_disabled+0x48/0x280 [ 378.903380] ? kasan_check_read+0x11/0x20 [ 378.907522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.912796] ? rcu_softirq_qs+0x20/0x20 [ 378.916810] ? preempt_schedule+0x4d/0x60 [ 378.920955] ? ___preempt_schedule+0x16/0x18 [ 378.925435] ? bpf_test_run+0x25d/0x780 [ 378.929414] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.933834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.939367] ? bpf_test_init.isra.10+0x70/0x100 [ 378.944038] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 378.948800] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 378.953638] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.959168] ? fput+0x130/0x1a0 [ 378.962455] ? __bpf_prog_get+0x9b/0x290 [ 378.966511] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 378.971350] ? bpf_prog_test_run+0x130/0x1a0 [ 378.975757] ? __x64_sys_bpf+0x3d8/0x520 [ 378.979810] ? bpf_prog_get+0x20/0x20 [ 378.983629] ? do_syscall_64+0x1b9/0x820 [ 378.987689] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 378.993056] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.997984] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.003004] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.008015] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 379.014681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.019526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.024907] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 379.024969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.031911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.031919] Call Trace: [ 379.038481] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.047739] [ 379.050305] syz-executor4 cpuset=syz4 mems_allowed=0 [ 379.060791] dump_stack+0x244/0x39d [ 379.071620] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.076816] warn_alloc.cold.116+0xb7/0x1bd [ 379.081133] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.085973] ? lock_downgrade+0x900/0x900 [ 379.090122] ? trace_hardirqs_off+0xb8/0x310 [ 379.094540] ? trace_hardirqs_off+0xb8/0x310 [ 379.098959] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.103822] ? warn_alloc+0x120/0x120 [ 379.107623] ? print_usage_bug+0xc0/0xc0 [ 379.111679] ? warn_alloc+0x120/0x120 [ 379.115481] ? warn_alloc+0x120/0x120 [ 379.119277] ? print_usage_bug+0xc0/0xc0 [ 379.123332] ? kvm_clock_read+0x18/0x30 [ 379.127388] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.132406] ? print_usage_bug+0xc0/0xc0 [ 379.136466] ? __lock_acquire+0x62f/0x4c20 [ 379.140721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.146252] ? should_fail+0x22d/0xd01 [ 379.150134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.155410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.160620] ? __lock_acquire+0x62f/0x4c20 [ 379.164852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.169948] ? __lock_acquire+0x62f/0x4c20 [ 379.174175] ? should_fail+0x22d/0xd01 [ 379.178052] ? rcu_irq_exit+0x1a2/0x390 [ 379.182034] ? mark_held_locks+0x130/0x130 [ 379.186281] ? mark_held_locks+0x130/0x130 [ 379.190524] ? mark_held_locks+0xc7/0x130 [ 379.194666] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 379.199763] ? zap_class+0x640/0x640 [ 379.203475] ? print_usage_bug+0xc0/0xc0 [ 379.207547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.213091] ? check_preemption_disabled+0x48/0x280 [ 379.218113] ? __lock_is_held+0xb5/0x140 [ 379.222174] __alloc_pages_nodemask+0xa80/0xde0 [ 379.226840] ? zap_class+0x640/0x640 [ 379.230563] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.235599] ? find_held_lock+0x36/0x1c0 [ 379.239664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.244329] ? lock_downgrade+0x900/0x900 [ 379.248480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.254016] cache_grow_begin+0xa5/0x8c0 [ 379.258069] ? do_raw_spin_unlock+0xa7/0x330 [ 379.262479] fallback_alloc+0x204/0x2e0 [ 379.266455] ____cache_alloc_node+0x1c7/0x1e0 [ 379.270954] kmem_cache_alloc_node+0xe3/0x730 [ 379.275444] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.279685] __alloc_skb+0x119/0x770 [ 379.283394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.288672] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.293075] ? lock_downgrade+0x900/0x900 [ 379.297222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.302756] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.308205] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.313651] ? addrconf_rs_timer+0x690/0x690 [ 379.318066] ndisc_alloc_skb+0x144/0x340 [ 379.322129] ndisc_send_rs+0x331/0x6e0 [ 379.326019] addrconf_rs_timer+0x314/0x690 [ 379.330266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.334505] call_timer_fn+0x272/0x920 [ 379.338387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.342616] ? process_timeout+0x40/0x40 [ 379.346679] ? mark_held_locks+0xc7/0x130 [ 379.350849] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.355359] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.359850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.364081] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.368660] ? trace_hardirqs_on+0xbd/0x310 [ 379.372978] ? kasan_check_read+0x11/0x20 [ 379.377119] ? __run_timers+0x7da/0xc70 [ 379.381089] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.386190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.390422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.394653] __run_timers+0x7e5/0xc70 [ 379.398460] ? timer_fixup_init+0x70/0x70 [ 379.402605] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.407622] ? zap_class+0x640/0x640 [ 379.411338] ? print_usage_bug+0xc0/0xc0 [ 379.415398] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.420591] ? find_held_lock+0x36/0x1c0 [ 379.424653] ? zap_class+0x640/0x640 [ 379.428365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.433899] ? check_preemption_disabled+0x48/0x280 [ 379.438918] ? __lock_is_held+0xb5/0x140 [ 379.442977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.448510] ? check_preemption_disabled+0x48/0x280 [ 379.453530] run_timer_softirq+0x52/0xb0 [ 379.457599] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.462609] __do_softirq+0x308/0xb7e [ 379.466409] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.470897] ? lock_downgrade+0x900/0x900 [ 379.475040] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.480147] ? pvclock_read_flags+0x160/0x160 [ 379.484640] ? lapic_next_event+0x5a/0x90 [ 379.488783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.494321] ? kvm_clock_read+0x18/0x30 [ 379.498286] ? kvm_sched_clock_read+0x9/0x20 [ 379.502694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.508227] ? check_preemption_disabled+0x48/0x280 [ 379.513266] irq_exit+0x17f/0x1c0 [ 379.516717] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.521644] ? smp_reschedule_interrupt+0x109/0x650 [ 379.526655] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.532540] ? interrupt_entry+0xb5/0xc0 [ 379.536601] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.541610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.546625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.551461] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.556473] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.561484] ? task_prio+0x50/0x50 [ 379.565022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.570564] ? check_preemption_disabled+0x48/0x280 [ 379.575582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.580425] apic_timer_interrupt+0xf/0x20 [ 379.584647] [ 379.586881] RIP: 0010:dump_stack+0x358/0x39d [ 379.591285] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 379.610178] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 379.617877] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 379.625142] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 379.632406] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 379.639681] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 379.646948] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 379.654239] ? dump_stack+0x34f/0x39d [ 379.658046] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.663234] ? mark_held_locks+0x130/0x130 [ 379.667461] ? mark_held_locks+0x130/0x130 [ 379.671696] dump_header+0x27b/0xf72 [ 379.675415] ? pagefault_out_of_memory+0x197/0x197 [ 379.680344] ? __lock_acquire+0x62f/0x4c20 [ 379.684575] ? percpu_ref_get_many+0x240/0x240 [ 379.689155] ? print_usage_bug+0xc0/0xc0 [ 379.693217] ? zap_class+0x640/0x640 [ 379.696927] ? print_usage_bug+0xc0/0xc0 [ 379.700982] ? print_usage_bug+0xc0/0xc0 [ 379.705043] ? zap_class+0x640/0x640 [ 379.708754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.714303] ? find_held_lock+0x36/0x1c0 [ 379.718369] ? mark_held_locks+0xc7/0x130 [ 379.722523] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.727632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.732743] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.737331] ? trace_hardirqs_on+0xbd/0x310 [ 379.741650] ? kasan_check_read+0x11/0x20 [ 379.745792] ? ___ratelimit+0x3b4/0x672 [ 379.749765] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.754863] ? trace_hardirqs_on+0x310/0x310 [ 379.759265] ? lock_downgrade+0x900/0x900 [ 379.763414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.768520] ? ___ratelimit+0x3b9/0x672 [ 379.772499] ? idr_get_free+0xf70/0xf70 [ 379.776483] ? find_held_lock+0x36/0x1c0 [ 379.780560] oom_kill_process.cold.27+0x10/0x903 [ 379.785312] ? zap_class+0x640/0x640 [ 379.789023] ? check_preemption_disabled+0x48/0x280 [ 379.794040] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.798963] ? kasan_check_read+0x11/0x20 [ 379.803108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.808378] ? oom_evaluate_task+0x540/0x540 [ 379.812783] ? find_held_lock+0x36/0x1c0 [ 379.816847] ? out_of_memory+0x974/0x1430 [ 379.820998] ? lock_downgrade+0x900/0x900 [ 379.825141] ? check_preemption_disabled+0x48/0x280 [ 379.830153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.835076] ? kasan_check_read+0x11/0x20 [ 379.839216] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.844506] ? rcu_softirq_qs+0x20/0x20 [ 379.848482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.854015] ? oom_evaluate_task+0x302/0x540 [ 379.858425] out_of_memory+0xa84/0x1430 [ 379.862404] ? oom_killer_disable+0x3a0/0x3a0 [ 379.866901] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 379.871828] ? __ww_mutex_check_waiters+0x160/0x160 [ 379.876849] __alloc_pages_slowpath+0x2354/0x2e10 [ 379.881713] ? warn_alloc+0x120/0x120 [ 379.885518] ? mark_held_locks+0x130/0x130 [ 379.889758] ? find_get_entry+0xaae/0x1120 [ 379.894406] ? filemap_map_pages+0x1a20/0x1a20 [ 379.898989] ? zap_class+0x640/0x640 [ 379.902704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.908241] ? check_preemption_disabled+0x48/0x280 [ 379.913253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.918785] ? should_fail+0x22d/0xd01 [ 379.922670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.927766] ? zap_class+0x640/0x640 [ 379.931505] ? __lock_is_held+0xb5/0x140 [ 379.935574] ? mark_held_locks+0x130/0x130 [ 379.939805] ? lock_release+0xa00/0xa00 [ 379.943775] ? perf_trace_sched_process_exec+0x860/0x860 [ 379.949218] ? xa_load+0x2ba/0x460 [ 379.952752] ? lock_downgrade+0x900/0x900 [ 379.956897] ? __might_sleep+0x95/0x190 [ 379.960870] __alloc_pages_nodemask+0xa80/0xde0 [ 379.965542] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.970814] ? __page_cache_alloc+0x191/0x5c0 [ 379.975302] ? xa_load+0x2e1/0x460 [ 379.978838] ? xa_clear_mark+0x40/0x40 [ 379.982726] ? zap_class+0x640/0x640 [ 379.986443] ? zap_class+0x640/0x640 [ 379.990154] ? zap_class+0x640/0x640 [ 379.993864] ? __do_page_cache_readahead+0x663/0x810 [ 379.998969] ? find_held_lock+0x36/0x1c0 [ 380.003032] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 380.008575] alloc_pages_current+0x173/0x350 [ 380.012983] __page_cache_alloc+0x38c/0x5c0 [ 380.017295] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.022219] ? kasan_check_read+0x11/0x20 [ 380.026361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.031634] ? generic_perform_write+0x6a0/0x6a0 [ 380.036389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.041920] ? check_preemption_disabled+0x48/0x280 [ 380.046940] filemap_fault+0x1595/0x25f0 [ 380.051005] ? __lock_page_or_retry+0xa00/0xa00 [ 380.055672] ? mark_held_locks+0x130/0x130 [ 380.059908] ? filemap_map_pages+0xd6b/0x1a20 [ 380.064400] ? lock_downgrade+0x900/0x900 [ 380.068546] ? check_preemption_disabled+0x48/0x280 [ 380.073558] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.078488] ? kasan_check_read+0x11/0x20 [ 380.082637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.087908] ? rcu_softirq_qs+0x20/0x20 [ 380.091892] ? filemap_map_pages+0xd92/0x1a20 [ 380.096394] ? find_get_entries_tag+0x1400/0x1400 [ 380.101233] ? debug_object_destroy+0x2b0/0x2b0 [ 380.105898] ? lock_pi_update_atomic+0x150/0x150 [ 380.110648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.116191] ? lock_acquire+0x1ed/0x520 [ 380.120161] ? ext4_filemap_fault+0x7a/0xad [ 380.124488] ? lock_release+0xa00/0xa00 [ 380.128458] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.133909] ? print_usage_bug+0xc0/0xc0 [ 380.137965] ? print_usage_bug+0xc0/0xc0 [ 380.142030] ? down_read+0x8d/0x120 [ 380.145651] ? ext4_filemap_fault+0x7a/0xad [ 380.149966] ? __down_interruptible+0x700/0x700 [ 380.154640] ext4_filemap_fault+0x82/0xad [ 380.158784] __do_fault+0x100/0x6b0 [ 380.162410] ? pmd_devmap_trans_unstable+0x220/0x220 [ 380.167514] ? mark_held_locks+0x130/0x130 [ 380.171746] ? mark_held_locks+0x130/0x130 [ 380.175976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.181513] ? check_preemption_disabled+0x48/0x280 [ 380.186531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.192067] __handle_mm_fault+0x3ea0/0x5be0 [ 380.196487] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 380.201332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.206866] ? __fpu__restore_sig+0x62f/0x1680 [ 380.211460] ? zap_class+0x640/0x640 [ 380.215190] ? zap_class+0x640/0x640 [ 380.218898] ? __x64_sys_futex+0x53e/0x6a0 [ 380.223133] ? find_held_lock+0x36/0x1c0 [ 380.227200] ? handle_mm_fault+0x42a/0xc70 [ 380.231433] ? lock_downgrade+0x900/0x900 [ 380.235585] ? check_preemption_disabled+0x48/0x280 [ 380.240597] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.247604] ? kasan_check_read+0x11/0x20 [ 380.251748] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.257016] ? rcu_softirq_qs+0x20/0x20 [ 380.260988] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.266091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.271623] ? check_preemption_disabled+0x48/0x280 [ 380.276641] handle_mm_fault+0x54f/0xc70 [ 380.280699] ? __handle_mm_fault+0x5be0/0x5be0 [ 380.285284] ? find_vma+0x34/0x190 [ 380.288826] __do_page_fault+0x5e8/0xe60 [ 380.292878] ? trace_hardirqs_off+0xb8/0x310 [ 380.297291] ? exit_to_usermode_loop+0x1f4/0x380 [ 380.302051] do_page_fault+0xf2/0x7e0 [ 380.305847] ? vmalloc_sync_all+0x30/0x30 [ 380.309993] ? error_entry+0x70/0xd0 [ 380.313702] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.318714] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.323636] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.328560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.333398] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.338408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.343860] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.348868] ? page_fault+0x8/0x30 [ 380.352404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.357243] ? page_fault+0x8/0x30 [ 380.360780] page_fault+0x1e/0x30 [ 380.364225] RIP: 0033:0x45ddf3 [ 380.367424] Code: Bad RIP value. [ 380.370786] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 380.376144] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 380.383407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 380.390667] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 380.397981] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 380.405245] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 380.412529] warn_alloc_show_mem: 1 callbacks suppressed [ 380.412540] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 380.412541] Mem-Info: [ 380.412571] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 380.412571] active_file:14 inactive_file:13 isolated_file:0 [ 380.412571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.412571] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 380.412571] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 380.412571] free:13747 free_pcp:512 free_cma:0 [ 380.417906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.425262] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.427652] Call Trace: [ 380.460506] 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 [ 380.469845] [ 380.497318] lowmem_reserve[]: 0 2818 6321 6321 [ 380.499896] dump_stack+0x244/0x39d [ 380.525978] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 380.528126] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.532671] lowmem_reserve[]: 0 0 3503 3503 [ 380.536298] warn_alloc.cold.116+0xb7/0x1bd [ 380.563584] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 380.568766] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.573053] lowmem_reserve[]: 0 0 0 0 [ 380.577376] ? lock_downgrade+0x900/0x900 [ 380.606316] 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 [ 380.611159] ? trace_hardirqs_off+0xb8/0x310 [ 380.614927] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 380.619066] ? trace_hardirqs_off+0xb8/0x310 [ 380.632553] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 380.636970] __alloc_pages_slowpath+0x26e8/0x2e10 [ 380.652199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.656619] ? warn_alloc+0x120/0x120 [ 380.670957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.670965] 165 total pagecache pages [ 380.675796] ? print_usage_bug+0xc0/0xc0 [ 380.684622] 0 pages in swap cache [ 380.688403] ? warn_alloc+0x120/0x120 [ 380.696948] Swap cache stats: add 0, delete 0, find 0/0 [ 380.696957] Free swap = 0kB [ 380.700748] ? warn_alloc+0x120/0x120 [ 380.704774] Total swap = 0kB [ 380.704781] 1965979 pages RAM [ 380.708220] ? print_usage_bug+0xc0/0xc0 [ 380.711985] 0 pages HighMem/MovableOnly [ 380.711992] 342855 pages reserved [ 380.717343] ? kvm_clock_read+0x18/0x30 [ 380.720331] 0 pages cma reserved [ 380.724120] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.727613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.730643] ? print_usage_bug+0xc0/0xc0 [ 380.734742] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.738637] ? __lock_acquire+0x62f/0x4c20 [ 380.742059] syz-fuzzer cpuset=/ mems_allowed=0 [ 380.746021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.789373] ? should_fail+0x22d/0xd01 [ 380.793259] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.798542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.803638] ? __lock_acquire+0x62f/0x4c20 [ 380.807871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.812970] ? __lock_acquire+0x62f/0x4c20 [ 380.817199] ? should_fail+0x22d/0xd01 [ 380.821077] ? rcu_irq_exit+0x1a2/0x390 [ 380.825059] ? mark_held_locks+0x130/0x130 [ 380.829296] ? mark_held_locks+0x130/0x130 [ 380.833531] ? mark_held_locks+0xc7/0x130 [ 380.837675] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.842686] ? zap_class+0x640/0x640 [ 380.846396] ? print_usage_bug+0xc0/0xc0 [ 380.850465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.855997] ? check_preemption_disabled+0x48/0x280 [ 380.861017] ? __lock_is_held+0xb5/0x140 [ 380.865077] __alloc_pages_nodemask+0xa80/0xde0 [ 380.870154] ? zap_class+0x640/0x640 [ 380.874507] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.879529] ? find_held_lock+0x36/0x1c0 [ 380.883595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.888259] ? lock_downgrade+0x900/0x900 [ 380.892415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.897956] cache_grow_begin+0xa5/0x8c0 [ 380.902015] ? do_raw_spin_unlock+0xa7/0x330 [ 380.906440] fallback_alloc+0x204/0x2e0 [ 380.910426] ____cache_alloc_node+0x1c7/0x1e0 [ 380.914923] kmem_cache_alloc_node+0xe3/0x730 [ 380.919427] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.923664] __alloc_skb+0x119/0x770 [ 380.927372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.932651] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.937058] ? lock_downgrade+0x900/0x900 [ 380.941206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.946745] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.952207] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.957651] ? addrconf_rs_timer+0x690/0x690 [ 380.962068] ndisc_alloc_skb+0x144/0x340 [ 380.966125] ndisc_send_rs+0x331/0x6e0 [ 380.970013] addrconf_rs_timer+0x314/0x690 [ 380.974247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.978490] call_timer_fn+0x272/0x920 [ 380.982371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.986606] ? process_timeout+0x40/0x40 [ 380.990668] ? __run_timers+0x7da/0xc70 [ 380.994642] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.999134] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.003625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.007854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.012433] ? trace_hardirqs_on+0xbd/0x310 [ 381.016747] ? kasan_check_read+0x11/0x20 [ 381.020886] ? __run_timers+0x7da/0xc70 [ 381.024863] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.029963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.034200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.038430] __run_timers+0x7e5/0xc70 [ 381.042237] ? timer_fixup_init+0x70/0x70 [ 381.046394] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.051410] ? zap_class+0x640/0x640 [ 381.055126] ? enqueue_hrtimer+0x1a5/0x560 [ 381.059357] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.064556] ? find_held_lock+0x36/0x1c0 [ 381.068622] ? zap_class+0x640/0x640 [ 381.072337] ? pvclock_read_flags+0x160/0x160 [ 381.076831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.082363] ? check_preemption_disabled+0x48/0x280 [ 381.087397] ? __lock_is_held+0xb5/0x140 [ 381.091458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.096994] ? check_preemption_disabled+0x48/0x280 [ 381.102010] run_timer_softirq+0x52/0xb0 [ 381.106068] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.111080] __do_softirq+0x308/0xb7e [ 381.114879] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.119396] ? lock_downgrade+0x900/0x900 [ 381.123545] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.128652] ? pvclock_read_flags+0x160/0x160 [ 381.133146] ? lapic_next_event+0x5a/0x90 [ 381.137291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.142827] ? kvm_clock_read+0x18/0x30 [ 381.146794] ? kvm_sched_clock_read+0x9/0x20 [ 381.151198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.156738] ? check_preemption_disabled+0x48/0x280 [ 381.161760] irq_exit+0x17f/0x1c0 [ 381.165210] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.170044] ? smp_reschedule_interrupt+0x109/0x650 [ 381.175053] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.180934] ? interrupt_entry+0xb5/0xc0 [ 381.184992] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.190383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.195401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.200242] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.205257] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.210276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.215124] apic_timer_interrupt+0xf/0x20 [ 381.219350] [ 381.221590] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.226517] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 381.245410] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.253110] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.260385] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 381.267648] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 381.274913] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.282177] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 381.289481] skb_clone+0x1bb/0x500 [ 381.293019] ? finish_task_switch+0x2f4/0x910 [ 381.297511] ? skb_split+0x11e0/0x11e0 [ 381.301398] ? preempt_notifier_register+0x200/0x200 [ 381.306496] ? __switch_to_asm+0x34/0x70 [ 381.310551] ? __switch_to_asm+0x34/0x70 [ 381.314606] ? __switch_to_asm+0x40/0x70 [ 381.318663] ? __switch_to_asm+0x34/0x70 [ 381.322722] ? __switch_to_asm+0x40/0x70 [ 381.326780] ? __switch_to_asm+0x34/0x70 [ 381.330836] ? __switch_to_asm+0x40/0x70 [ 381.334895] ? __switch_to_asm+0x34/0x70 [ 381.338956] ? __switch_to_asm+0x34/0x70 [ 381.343012] ? __switch_to_asm+0x40/0x70 [ 381.347075] ? __switch_to_asm+0x34/0x70 [ 381.351140] bpf_clone_redirect+0xb9/0x490 [ 381.355379] ? __schedule+0x8d7/0x21d0 [ 381.359268] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 381.364284] ? __sched_text_start+0x8/0x8 [ 381.368430] ? retint_kernel+0x2d/0x2d [ 381.372313] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.377244] ? find_held_lock+0x36/0x1c0 [ 381.381306] ? lock_acquire+0x1ed/0x520 [ 381.385274] ? bpf_test_run+0x3cb/0x780 [ 381.389246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.394780] ? check_preemption_disabled+0x48/0x280 [ 381.399800] ? kasan_check_read+0x11/0x20 [ 381.403941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.409214] ? rcu_softirq_qs+0x20/0x20 [ 381.413182] ? preempt_schedule+0x4d/0x60 [ 381.417327] ? ___preempt_schedule+0x16/0x18 [ 381.421745] ? bpf_test_run+0x25d/0x780 [ 381.425724] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.430132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.435667] ? bpf_test_init.isra.10+0x70/0x100 [ 381.440349] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 381.445120] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.449959] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.455500] ? fput+0x130/0x1a0 [ 381.458775] ? __bpf_prog_get+0x9b/0x290 [ 381.462832] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.467665] ? bpf_prog_test_run+0x130/0x1a0 [ 381.472074] ? __x64_sys_bpf+0x3d8/0x520 [ 381.476131] ? bpf_prog_get+0x20/0x20 [ 381.479942] ? do_syscall_64+0x1b9/0x820 [ 381.484000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.489371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.495080] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.500092] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.505105] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 381.511776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.516624] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.522003] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 381.522066] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.529012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.529016] Call Trace: [ 381.529022] [ 381.529038] dump_stack+0x244/0x39d [ 381.529055] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.529081] warn_alloc.cold.116+0xb7/0x1bd [ 381.535615] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.544890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.547450] syz-executor4 cpuset=syz4 mems_allowed=0 [ 381.549590] ? lock_downgrade+0x900/0x900 [ 381.587184] ? trace_hardirqs_off+0xb8/0x310 [ 381.591605] ? trace_hardirqs_off+0xb8/0x310 [ 381.596018] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.600880] ? warn_alloc+0x120/0x120 [ 381.604680] ? print_usage_bug+0xc0/0xc0 [ 381.608739] ? warn_alloc+0x120/0x120 [ 381.612543] ? warn_alloc+0x120/0x120 [ 381.616344] ? print_usage_bug+0xc0/0xc0 [ 381.620402] ? kvm_clock_read+0x18/0x30 [ 381.624381] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 381.629395] ? print_usage_bug+0xc0/0xc0 [ 381.633451] ? __lock_acquire+0x62f/0x4c20 [ 381.637695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.643231] ? should_fail+0x22d/0xd01 [ 381.647118] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.652397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.657495] ? __lock_acquire+0x62f/0x4c20 [ 381.661731] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.666829] ? __lock_acquire+0x62f/0x4c20 [ 381.671064] ? should_fail+0x22d/0xd01 [ 381.674943] ? rcu_irq_exit+0x1a2/0x390 [ 381.678933] ? mark_held_locks+0x130/0x130 [ 381.683168] ? mark_held_locks+0x130/0x130 [ 381.687405] ? mark_held_locks+0xc7/0x130 [ 381.691547] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 381.696583] ? zap_class+0x640/0x640 [ 381.700295] ? print_usage_bug+0xc0/0xc0 [ 381.704369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.709902] ? check_preemption_disabled+0x48/0x280 [ 381.714923] ? __lock_is_held+0xb5/0x140 [ 381.718988] __alloc_pages_nodemask+0xa80/0xde0 [ 381.723656] ? zap_class+0x640/0x640 [ 381.727375] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.732400] ? find_held_lock+0x36/0x1c0 [ 381.736470] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.741135] ? lock_downgrade+0x900/0x900 [ 381.745283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.750821] cache_grow_begin+0xa5/0x8c0 [ 381.754878] ? do_raw_spin_unlock+0xa7/0x330 [ 381.759289] fallback_alloc+0x204/0x2e0 [ 381.763265] ____cache_alloc_node+0x1c7/0x1e0 [ 381.767761] kmem_cache_alloc_node+0xe3/0x730 [ 381.772251] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.776490] __alloc_skb+0x119/0x770 [ 381.780195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.785472] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.789881] ? lock_downgrade+0x900/0x900 [ 381.794031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.799561] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.805010] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.810455] ? addrconf_rs_timer+0x690/0x690 [ 381.814877] ndisc_alloc_skb+0x144/0x340 [ 381.818936] ndisc_send_rs+0x331/0x6e0 [ 381.822824] addrconf_rs_timer+0x314/0x690 [ 381.827061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.831299] call_timer_fn+0x272/0x920 [ 381.835188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.839417] ? process_timeout+0x40/0x40 [ 381.843481] ? mark_held_locks+0xc7/0x130 [ 381.847628] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.852119] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.856618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.860848] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.865430] ? trace_hardirqs_on+0xbd/0x310 [ 381.870093] ? kasan_check_read+0x11/0x20 [ 381.874235] ? __run_timers+0x7da/0xc70 [ 381.878203] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.883303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.887547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.891773] __run_timers+0x7e5/0xc70 [ 381.895948] ? timer_fixup_init+0x70/0x70 [ 381.900095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.905107] ? zap_class+0x640/0x640 [ 381.908819] ? print_usage_bug+0xc0/0xc0 [ 381.912880] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.918071] ? find_held_lock+0x36/0x1c0 [ 381.922130] ? zap_class+0x640/0x640 [ 381.925847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.931384] ? check_preemption_disabled+0x48/0x280 [ 381.936402] ? __lock_is_held+0xb5/0x140 [ 381.940461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.945991] ? check_preemption_disabled+0x48/0x280 [ 381.951006] run_timer_softirq+0x52/0xb0 [ 381.955063] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.960075] __do_softirq+0x308/0xb7e [ 381.963877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.968382] ? lock_downgrade+0x900/0x900 [ 381.972530] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.977635] ? pvclock_read_flags+0x160/0x160 [ 381.982126] ? lapic_next_event+0x5a/0x90 [ 381.986269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.991810] ? kvm_clock_read+0x18/0x30 [ 381.995783] ? kvm_sched_clock_read+0x9/0x20 [ 382.000186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.005720] ? check_preemption_disabled+0x48/0x280 [ 382.010738] irq_exit+0x17f/0x1c0 [ 382.014189] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.019025] ? smp_reschedule_interrupt+0x109/0x650 [ 382.024034] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.029916] ? interrupt_entry+0xb5/0xc0 [ 382.033976] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.038986] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.043997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.048837] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.053858] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.058878] ? task_prio+0x50/0x50 [ 382.062419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.067949] ? check_preemption_disabled+0x48/0x280 [ 382.072965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.077808] apic_timer_interrupt+0xf/0x20 [ 382.082036] [ 382.084271] RIP: 0010:dump_stack+0x358/0x39d [ 382.088686] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 382.107582] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 382.115282] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 382.122558] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 382.129825] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 382.137086] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 382.144349] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 382.151629] ? dump_stack+0x34f/0x39d [ 382.155440] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.160641] ? mark_held_locks+0x130/0x130 [ 382.164875] ? mark_held_locks+0x130/0x130 [ 382.169113] dump_header+0x27b/0xf72 [ 382.172832] ? pagefault_out_of_memory+0x197/0x197 [ 382.177761] ? __lock_acquire+0x62f/0x4c20 [ 382.181999] ? percpu_ref_get_many+0x240/0x240 [ 382.186581] ? print_usage_bug+0xc0/0xc0 [ 382.190641] ? zap_class+0x640/0x640 [ 382.194352] ? print_usage_bug+0xc0/0xc0 [ 382.198407] ? print_usage_bug+0xc0/0xc0 [ 382.202463] ? zap_class+0x640/0x640 [ 382.206177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.211711] ? find_held_lock+0x36/0x1c0 [ 382.215778] ? mark_held_locks+0xc7/0x130 [ 382.219929] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.225028] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.230128] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.234710] ? trace_hardirqs_on+0xbd/0x310 [ 382.239039] ? kasan_check_read+0x11/0x20 [ 382.243180] ? ___ratelimit+0x3b4/0x672 [ 382.247151] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.252249] ? trace_hardirqs_on+0x310/0x310 [ 382.256685] ? lock_downgrade+0x900/0x900 [ 382.260843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.265953] ? ___ratelimit+0x3b9/0x672 [ 382.269928] ? idr_get_free+0xf70/0xf70 [ 382.273899] ? find_held_lock+0x36/0x1c0 [ 382.277963] oom_kill_process.cold.27+0x10/0x903 [ 382.282714] ? zap_class+0x640/0x640 [ 382.286424] ? check_preemption_disabled+0x48/0x280 [ 382.291438] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.296362] ? kasan_check_read+0x11/0x20 [ 382.300519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.305792] ? oom_evaluate_task+0x540/0x540 [ 382.310199] ? find_held_lock+0x36/0x1c0 [ 382.314264] ? out_of_memory+0x974/0x1430 [ 382.318417] ? lock_downgrade+0x900/0x900 [ 382.322559] ? check_preemption_disabled+0x48/0x280 [ 382.327573] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.332494] ? kasan_check_read+0x11/0x20 [ 382.336635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.341904] ? rcu_softirq_qs+0x20/0x20 [ 382.345876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.351411] ? oom_evaluate_task+0x302/0x540 [ 382.355818] out_of_memory+0xa84/0x1430 [ 382.359798] ? oom_killer_disable+0x3a0/0x3a0 [ 382.364293] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 382.369224] ? __ww_mutex_check_waiters+0x160/0x160 [ 382.374244] __alloc_pages_slowpath+0x2354/0x2e10 [ 382.379114] ? warn_alloc+0x120/0x120 [ 382.382912] ? mark_held_locks+0x130/0x130 [ 382.387146] ? find_get_entry+0xaae/0x1120 [ 382.391383] ? filemap_map_pages+0x1a20/0x1a20 [ 382.395967] ? zap_class+0x640/0x640 [ 382.399680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.405222] ? check_preemption_disabled+0x48/0x280 [ 382.410232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.415767] ? should_fail+0x22d/0xd01 [ 382.419651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.424749] ? zap_class+0x640/0x640 [ 382.428481] ? __lock_is_held+0xb5/0x140 [ 382.432546] ? mark_held_locks+0x130/0x130 [ 382.436778] ? lock_release+0xa00/0xa00 [ 382.440750] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.446194] ? xa_load+0x2ba/0x460 [ 382.449734] ? lock_downgrade+0x900/0x900 [ 382.453881] ? __might_sleep+0x95/0x190 [ 382.457855] __alloc_pages_nodemask+0xa80/0xde0 [ 382.462525] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.467536] ? __page_cache_alloc+0x191/0x5c0 [ 382.472023] ? xa_load+0x2e1/0x460 [ 382.475561] ? xa_clear_mark+0x40/0x40 [ 382.479442] ? zap_class+0x640/0x640 [ 382.483159] ? zap_class+0x640/0x640 [ 382.486865] ? zap_class+0x640/0x640 [ 382.490573] ? __do_page_cache_readahead+0x663/0x810 [ 382.495677] ? find_held_lock+0x36/0x1c0 [ 382.499735] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 382.505280] alloc_pages_current+0x173/0x350 [ 382.509691] __page_cache_alloc+0x38c/0x5c0 [ 382.514009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.518931] ? kasan_check_read+0x11/0x20 [ 382.523079] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.528353] ? generic_perform_write+0x6a0/0x6a0 [ 382.533107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.538640] ? check_preemption_disabled+0x48/0x280 [ 382.543658] filemap_fault+0x1595/0x25f0 [ 382.547730] ? __lock_page_or_retry+0xa00/0xa00 [ 382.552398] ? mark_held_locks+0x130/0x130 [ 382.556645] ? filemap_map_pages+0xd6b/0x1a20 [ 382.561139] ? lock_downgrade+0x900/0x900 [ 382.565290] ? check_preemption_disabled+0x48/0x280 [ 382.570311] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.575238] ? kasan_check_read+0x11/0x20 [ 382.579392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.584665] ? rcu_softirq_qs+0x20/0x20 [ 382.588649] ? filemap_map_pages+0xd92/0x1a20 [ 382.593154] ? find_get_entries_tag+0x1400/0x1400 [ 382.597999] ? debug_object_destroy+0x2b0/0x2b0 [ 382.602669] ? lock_pi_update_atomic+0x150/0x150 [ 382.607416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.612960] ? lock_acquire+0x1ed/0x520 [ 382.616928] ? ext4_filemap_fault+0x7a/0xad [ 382.621264] ? lock_release+0xa00/0xa00 [ 382.625238] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.630706] ? print_usage_bug+0xc0/0xc0 [ 382.634764] ? print_usage_bug+0xc0/0xc0 [ 382.638833] ? down_read+0x8d/0x120 [ 382.642454] ? ext4_filemap_fault+0x7a/0xad [ 382.646778] ? __down_interruptible+0x700/0x700 [ 382.651459] ext4_filemap_fault+0x82/0xad [ 382.655608] __do_fault+0x100/0x6b0 [ 382.659231] ? pmd_devmap_trans_unstable+0x220/0x220 [ 382.664343] ? mark_held_locks+0x130/0x130 [ 382.668572] ? mark_held_locks+0x130/0x130 [ 382.672813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.678349] ? check_preemption_disabled+0x48/0x280 [ 382.683364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.688901] __handle_mm_fault+0x3ea0/0x5be0 [ 382.693310] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 382.698150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.703684] ? __fpu__restore_sig+0x62f/0x1680 [ 382.708287] ? zap_class+0x640/0x640 [ 382.711994] ? zap_class+0x640/0x640 [ 382.715704] ? __x64_sys_futex+0x53e/0x6a0 [ 382.719935] ? find_held_lock+0x36/0x1c0 [ 382.724001] ? handle_mm_fault+0x42a/0xc70 [ 382.728713] ? lock_downgrade+0x900/0x900 [ 382.732859] ? check_preemption_disabled+0x48/0x280 [ 382.737877] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.742800] ? kasan_check_read+0x11/0x20 [ 382.746943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.752213] ? rcu_softirq_qs+0x20/0x20 [ 382.756188] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.761290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.766820] ? check_preemption_disabled+0x48/0x280 [ 382.771838] handle_mm_fault+0x54f/0xc70 [ 382.775897] ? __handle_mm_fault+0x5be0/0x5be0 [ 382.780479] ? find_vma+0x34/0x190 [ 382.784021] __do_page_fault+0x5e8/0xe60 [ 382.788078] ? trace_hardirqs_off+0xb8/0x310 [ 382.792482] ? exit_to_usermode_loop+0x1f4/0x380 [ 382.797248] do_page_fault+0xf2/0x7e0 [ 382.801051] ? vmalloc_sync_all+0x30/0x30 [ 382.805192] ? error_entry+0x70/0xd0 [ 382.808903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.813911] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.818834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.823758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.828596] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.833606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.839057] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.844067] ? page_fault+0x8/0x30 [ 382.847607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.852546] ? page_fault+0x8/0x30 [ 382.856082] page_fault+0x1e/0x30 [ 382.859532] RIP: 0033:0x45ddf3 [ 382.862731] Code: Bad RIP value. [ 382.866085] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 382.871441] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 382.878704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 382.885964] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 382.893231] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 382.900496] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 382.907790] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 382.907795] warn_alloc_show_mem: 1 callbacks suppressed [ 382.907801] Mem-Info: [ 382.915149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.920512] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 382.920512] active_file:14 inactive_file:13 isolated_file:0 [ 382.920512] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.920512] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 382.920512] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 382.920512] free:13747 free_pcp:512 free_cma:0 [ 382.922880] Call Trace: [ 382.932263] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.965097] [ 382.967663] 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 [ 382.995162] dump_stack+0x244/0x39d [ 382.997280] lowmem_reserve[]: 0 2818 6321 6321 [ 383.023381] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.026978] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 383.031562] warn_alloc.cold.116+0xb7/0x1bd [ 383.036707] lowmem_reserve[]: 0 0 3503 3503 [ 383.064042] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.068333] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 383.072645] ? lock_downgrade+0x900/0x900 [ 383.077450] lowmem_reserve[]: 0 0 0 0 [ 383.106434] ? trace_hardirqs_off+0xb8/0x310 [ 383.110551] 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 [ 383.114343] ? trace_hardirqs_off+0xb8/0x310 [ 383.118718] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 383.132241] __alloc_pages_slowpath+0x26e8/0x2e10 [ 383.136622] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 383.151980] ? warn_alloc+0x120/0x120 [ 383.156780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.171155] ? print_usage_bug+0xc0/0xc0 [ 383.174932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.183923] ? warn_alloc+0x120/0x120 [ 383.187962] 165 total pagecache pages [ 383.196536] ? warn_alloc+0x120/0x120 [ 383.200316] 0 pages in swap cache [ 383.204100] ? print_usage_bug+0xc0/0xc0 [ 383.207873] Swap cache stats: add 0, delete 0, find 0/0 [ 383.211308] ? kvm_clock_read+0x18/0x30 [ 383.215338] Free swap = 0kB [ 383.220689] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.224632] Total swap = 0kB [ 383.227638] ? print_usage_bug+0xc0/0xc0 [ 383.232626] 1965979 pages RAM [ 383.235633] ? __lock_acquire+0x62f/0x4c20 [ 383.239660] 0 pages HighMem/MovableOnly [ 383.239667] 342855 pages reserved [ 383.242760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.246965] 0 pages cma reserved [ 383.250929] ? should_fail+0x22d/0xd01 [ 383.254433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.259870] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.259888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.263305] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.267107] ? __lock_acquire+0x62f/0x4c20 [ 383.273571] syz-fuzzer cpuset=/ mems_allowed=0 [ 383.278839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.307980] ? __lock_acquire+0x62f/0x4c20 [ 383.312212] ? should_fail+0x22d/0xd01 [ 383.316091] ? rcu_irq_exit+0x1a2/0x390 [ 383.320072] ? mark_held_locks+0x130/0x130 [ 383.324309] ? mark_held_locks+0x130/0x130 [ 383.328544] ? mark_held_locks+0xc7/0x130 [ 383.332692] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.337704] ? zap_class+0x640/0x640 [ 383.341421] ? print_usage_bug+0xc0/0xc0 [ 383.345482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.351018] ? check_preemption_disabled+0x48/0x280 [ 383.356046] ? __lock_is_held+0xb5/0x140 [ 383.360108] __alloc_pages_nodemask+0xa80/0xde0 [ 383.364770] ? zap_class+0x640/0x640 [ 383.368481] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.373502] ? find_held_lock+0x36/0x1c0 [ 383.377567] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.382233] ? lock_downgrade+0x900/0x900 [ 383.386384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.391922] cache_grow_begin+0xa5/0x8c0 [ 383.395981] ? do_raw_spin_unlock+0xa7/0x330 [ 383.400395] fallback_alloc+0x204/0x2e0 [ 383.404370] ____cache_alloc_node+0x1c7/0x1e0 [ 383.408879] kmem_cache_alloc_node+0xe3/0x730 [ 383.413385] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.417625] __alloc_skb+0x119/0x770 [ 383.421335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.426621] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.431027] ? lock_downgrade+0x900/0x900 [ 383.435183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.440717] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.446164] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.451616] ? addrconf_rs_timer+0x690/0x690 [ 383.456034] ndisc_alloc_skb+0x144/0x340 [ 383.460092] ndisc_send_rs+0x331/0x6e0 [ 383.463978] addrconf_rs_timer+0x314/0x690 [ 383.468216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.472455] call_timer_fn+0x272/0x920 [ 383.476338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.480567] ? process_timeout+0x40/0x40 [ 383.484631] ? __run_timers+0x7da/0xc70 [ 383.488602] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.493091] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.497578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.501809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.506389] ? trace_hardirqs_on+0xbd/0x310 [ 383.510708] ? kasan_check_read+0x11/0x20 [ 383.514847] ? __run_timers+0x7da/0xc70 [ 383.518816] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.523919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.528154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.532388] __run_timers+0x7e5/0xc70 [ 383.536195] ? timer_fixup_init+0x70/0x70 [ 383.540343] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.545361] ? zap_class+0x640/0x640 [ 383.549072] ? enqueue_hrtimer+0x1a5/0x560 [ 383.553305] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.558494] ? find_held_lock+0x36/0x1c0 [ 383.562564] ? zap_class+0x640/0x640 [ 383.566276] ? pvclock_read_flags+0x160/0x160 [ 383.570768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.576301] ? check_preemption_disabled+0x48/0x280 [ 383.581324] ? __lock_is_held+0xb5/0x140 [ 383.585382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.591000] ? check_preemption_disabled+0x48/0x280 [ 383.596013] run_timer_softirq+0x52/0xb0 [ 383.600072] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.605083] __do_softirq+0x308/0xb7e [ 383.608892] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.613381] ? lock_downgrade+0x900/0x900 [ 383.617533] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.622639] ? pvclock_read_flags+0x160/0x160 [ 383.627134] ? lapic_next_event+0x5a/0x90 [ 383.631285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.636820] ? kvm_clock_read+0x18/0x30 [ 383.640789] ? kvm_sched_clock_read+0x9/0x20 [ 383.645196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.650732] ? check_preemption_disabled+0x48/0x280 [ 383.655752] irq_exit+0x17f/0x1c0 [ 383.659199] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.664034] ? smp_reschedule_interrupt+0x109/0x650 [ 383.669048] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.674934] ? interrupt_entry+0xb5/0xc0 [ 383.678992] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.684004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.689017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.693955] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.698966] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.703989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.708833] apic_timer_interrupt+0xf/0x20 [ 383.713059] [ 383.715300] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.720228] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 383.739208] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 383.746922] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.754188] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 383.761450] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 383.768710] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.775971] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 383.783357] skb_clone+0x1bb/0x500 [ 383.786891] ? finish_task_switch+0x2f4/0x910 [ 383.791397] ? skb_split+0x11e0/0x11e0 [ 383.795279] ? preempt_notifier_register+0x200/0x200 [ 383.800375] ? __switch_to_asm+0x34/0x70 [ 383.804429] ? __switch_to_asm+0x34/0x70 [ 383.808485] ? __switch_to_asm+0x40/0x70 [ 383.812542] ? __switch_to_asm+0x34/0x70 [ 383.816604] ? __switch_to_asm+0x40/0x70 [ 383.820666] ? __switch_to_asm+0x34/0x70 [ 383.824719] ? __switch_to_asm+0x40/0x70 [ 383.828772] ? __switch_to_asm+0x34/0x70 [ 383.832827] ? __switch_to_asm+0x34/0x70 [ 383.836893] ? __switch_to_asm+0x40/0x70 [ 383.840950] ? __switch_to_asm+0x34/0x70 [ 383.845013] bpf_clone_redirect+0xb9/0x490 [ 383.849243] ? __schedule+0x8d7/0x21d0 [ 383.853144] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 383.858161] ? __sched_text_start+0x8/0x8 [ 383.862311] ? retint_kernel+0x2d/0x2d [ 383.866195] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.871124] ? find_held_lock+0x36/0x1c0 [ 383.875193] ? lock_acquire+0x1ed/0x520 [ 383.879164] ? bpf_test_run+0x3cb/0x780 [ 383.883144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.888680] ? check_preemption_disabled+0x48/0x280 [ 383.894228] ? kasan_check_read+0x11/0x20 [ 383.898377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.903648] ? rcu_softirq_qs+0x20/0x20 [ 383.907626] ? preempt_schedule+0x4d/0x60 [ 383.911773] ? ___preempt_schedule+0x16/0x18 [ 383.916191] ? bpf_test_run+0x25d/0x780 [ 383.920174] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.924581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.930113] ? bpf_test_init.isra.10+0x70/0x100 [ 383.935050] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 383.939809] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.944650] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.950184] ? fput+0x130/0x1a0 [ 383.953458] ? __bpf_prog_get+0x9b/0x290 [ 383.957515] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.962354] ? bpf_prog_test_run+0x130/0x1a0 [ 383.966762] ? __x64_sys_bpf+0x3d8/0x520 [ 383.970816] ? bpf_prog_get+0x20/0x20 [ 383.974626] ? do_syscall_64+0x1b9/0x820 [ 383.978685] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.984047] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.988973] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.993982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.998996] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 384.005671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.010515] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.015891] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 384.015958] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.022895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.022900] Call Trace: [ 384.022906] [ 384.022922] dump_stack+0x244/0x39d [ 384.022940] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.029509] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.038772] warn_alloc.cold.116+0xb7/0x1bd [ 384.041326] syz-executor4 cpuset=syz4 mems_allowed=0 [ 384.043478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.076933] ? lock_downgrade+0x900/0x900 [ 384.081086] ? trace_hardirqs_off+0xb8/0x310 [ 384.085502] ? trace_hardirqs_off+0xb8/0x310 [ 384.089916] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.094781] ? warn_alloc+0x120/0x120 [ 384.098581] ? print_usage_bug+0xc0/0xc0 [ 384.102638] ? warn_alloc+0x120/0x120 [ 384.106438] ? warn_alloc+0x120/0x120 [ 384.110236] ? print_usage_bug+0xc0/0xc0 [ 384.114295] ? kvm_clock_read+0x18/0x30 [ 384.118265] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.123276] ? print_usage_bug+0xc0/0xc0 [ 384.127356] ? __lock_acquire+0x62f/0x4c20 [ 384.131593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.137129] ? should_fail+0x22d/0xd01 [ 384.141021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.146295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.151392] ? __lock_acquire+0x62f/0x4c20 [ 384.155624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.160731] ? __lock_acquire+0x62f/0x4c20 [ 384.164963] ? should_fail+0x22d/0xd01 [ 384.168843] ? rcu_irq_exit+0x1a2/0x390 [ 384.172824] ? mark_held_locks+0x130/0x130 [ 384.177056] ? mark_held_locks+0x130/0x130 [ 384.181294] ? mark_held_locks+0xc7/0x130 [ 384.185441] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 384.190457] ? zap_class+0x640/0x640 [ 384.194176] ? print_usage_bug+0xc0/0xc0 [ 384.198236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.203773] ? check_preemption_disabled+0x48/0x280 [ 384.208792] ? __lock_is_held+0xb5/0x140 [ 384.212852] __alloc_pages_nodemask+0xa80/0xde0 [ 384.217515] ? zap_class+0x640/0x640 [ 384.221227] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.226253] ? find_held_lock+0x36/0x1c0 [ 384.230322] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.234988] ? lock_downgrade+0x900/0x900 [ 384.239144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.244681] cache_grow_begin+0xa5/0x8c0 [ 384.249103] ? do_raw_spin_unlock+0xa7/0x330 [ 384.253519] fallback_alloc+0x204/0x2e0 [ 384.257494] ____cache_alloc_node+0x1c7/0x1e0 [ 384.261990] kmem_cache_alloc_node+0xe3/0x730 [ 384.266484] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.270725] __alloc_skb+0x119/0x770 [ 384.274432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.279720] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.284133] ? lock_downgrade+0x900/0x900 [ 384.288282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.293813] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.299265] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.304714] ? addrconf_rs_timer+0x690/0x690 [ 384.309137] ndisc_alloc_skb+0x144/0x340 [ 384.313195] ndisc_send_rs+0x331/0x6e0 [ 384.317085] addrconf_rs_timer+0x314/0x690 [ 384.321330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.325572] call_timer_fn+0x272/0x920 [ 384.329453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.333681] ? process_timeout+0x40/0x40 [ 384.337746] ? mark_held_locks+0xc7/0x130 [ 384.341895] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.346385] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.350875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.355111] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.359696] ? trace_hardirqs_on+0xbd/0x310 [ 384.364011] ? kasan_check_read+0x11/0x20 [ 384.368154] ? __run_timers+0x7da/0xc70 [ 384.372128] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.377229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.381465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.385690] __run_timers+0x7e5/0xc70 [ 384.389498] ? timer_fixup_init+0x70/0x70 [ 384.393643] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.398653] ? zap_class+0x640/0x640 [ 384.402366] ? print_usage_bug+0xc0/0xc0 [ 384.406427] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.411619] ? find_held_lock+0x36/0x1c0 [ 384.415680] ? zap_class+0x640/0x640 [ 384.419407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.424943] ? check_preemption_disabled+0x48/0x280 [ 384.429963] ? __lock_is_held+0xb5/0x140 [ 384.434019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.439552] ? check_preemption_disabled+0x48/0x280 [ 384.444569] run_timer_softirq+0x52/0xb0 [ 384.448622] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.453635] __do_softirq+0x308/0xb7e [ 384.457433] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.461919] ? lock_downgrade+0x900/0x900 [ 384.466064] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.471174] ? pvclock_read_flags+0x160/0x160 [ 384.475662] ? lapic_next_event+0x5a/0x90 [ 384.479811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.485348] ? kvm_clock_read+0x18/0x30 [ 384.489314] ? kvm_sched_clock_read+0x9/0x20 [ 384.493719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.499253] ? check_preemption_disabled+0x48/0x280 [ 384.504273] irq_exit+0x17f/0x1c0 [ 384.507723] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.512560] ? smp_reschedule_interrupt+0x109/0x650 [ 384.517575] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.523458] ? interrupt_entry+0xb5/0xc0 [ 384.527513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.532521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.537530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.542366] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.547374] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.552383] ? task_prio+0x50/0x50 [ 384.555923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.561457] ? check_preemption_disabled+0x48/0x280 [ 384.566471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.571313] apic_timer_interrupt+0xf/0x20 [ 384.575537] [ 384.577769] RIP: 0010:dump_stack+0x358/0x39d [ 384.582176] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 384.601076] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 384.608784] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 384.616046] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 384.623314] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 384.630579] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 384.637856] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 384.645134] ? dump_stack+0x34f/0x39d [ 384.648944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.654130] ? mark_held_locks+0x130/0x130 [ 384.658359] ? mark_held_locks+0x130/0x130 [ 384.662591] dump_header+0x27b/0xf72 [ 384.666309] ? pagefault_out_of_memory+0x197/0x197 [ 384.671238] ? __lock_acquire+0x62f/0x4c20 [ 384.675469] ? percpu_ref_get_many+0x240/0x240 [ 384.680047] ? print_usage_bug+0xc0/0xc0 [ 384.684125] ? zap_class+0x640/0x640 [ 384.687838] ? print_usage_bug+0xc0/0xc0 [ 384.691891] ? print_usage_bug+0xc0/0xc0 [ 384.695946] ? zap_class+0x640/0x640 [ 384.699657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.705198] ? find_held_lock+0x36/0x1c0 [ 384.709263] ? mark_held_locks+0xc7/0x130 [ 384.713410] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.718511] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.723612] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.728708] ? trace_hardirqs_on+0xbd/0x310 [ 384.733025] ? kasan_check_read+0x11/0x20 [ 384.737177] ? ___ratelimit+0x3b4/0x672 [ 384.741147] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.746250] ? trace_hardirqs_on+0x310/0x310 [ 384.750658] ? lock_downgrade+0x900/0x900 [ 384.754811] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.759912] ? ___ratelimit+0x3b9/0x672 [ 384.763880] ? idr_get_free+0xf70/0xf70 [ 384.767851] ? find_held_lock+0x36/0x1c0 [ 384.771915] oom_kill_process.cold.27+0x10/0x903 [ 384.776664] ? zap_class+0x640/0x640 [ 384.780375] ? check_preemption_disabled+0x48/0x280 [ 384.785396] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.790323] ? kasan_check_read+0x11/0x20 [ 384.794463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.799735] ? oom_evaluate_task+0x540/0x540 [ 384.804149] ? find_held_lock+0x36/0x1c0 [ 384.808217] ? out_of_memory+0x974/0x1430 [ 384.812363] ? lock_downgrade+0x900/0x900 [ 384.816509] ? check_preemption_disabled+0x48/0x280 [ 384.821527] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.826451] ? kasan_check_read+0x11/0x20 [ 384.830591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.835859] ? rcu_softirq_qs+0x20/0x20 [ 384.839830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.845364] ? oom_evaluate_task+0x302/0x540 [ 384.849773] out_of_memory+0xa84/0x1430 [ 384.853770] ? oom_killer_disable+0x3a0/0x3a0 [ 384.858262] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 384.863192] ? __ww_mutex_check_waiters+0x160/0x160 [ 384.868214] __alloc_pages_slowpath+0x2354/0x2e10 [ 384.873090] ? warn_alloc+0x120/0x120 [ 384.876885] ? mark_held_locks+0x130/0x130 [ 384.881117] ? find_get_entry+0xaae/0x1120 [ 384.885356] ? filemap_map_pages+0x1a20/0x1a20 [ 384.889937] ? zap_class+0x640/0x640 [ 384.893652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.899188] ? check_preemption_disabled+0x48/0x280 [ 384.904202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.909748] ? should_fail+0x22d/0xd01 [ 384.913639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.918739] ? zap_class+0x640/0x640 [ 384.922469] ? __lock_is_held+0xb5/0x140 [ 384.926533] ? mark_held_locks+0x130/0x130 [ 384.930766] ? lock_release+0xa00/0xa00 [ 384.934736] ? perf_trace_sched_process_exec+0x860/0x860 [ 384.940178] ? xa_load+0x2ba/0x460 [ 384.943712] ? lock_downgrade+0x900/0x900 [ 384.947859] ? __might_sleep+0x95/0x190 [ 384.951834] __alloc_pages_nodemask+0xa80/0xde0 [ 384.956515] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.961528] ? __page_cache_alloc+0x191/0x5c0 [ 384.966017] ? xa_load+0x2e1/0x460 [ 384.969557] ? xa_clear_mark+0x40/0x40 [ 384.973440] ? zap_class+0x640/0x640 [ 384.977154] ? zap_class+0x640/0x640 [ 384.980862] ? zap_class+0x640/0x640 [ 384.984570] ? __do_page_cache_readahead+0x663/0x810 [ 384.989670] ? find_held_lock+0x36/0x1c0 [ 384.993732] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 384.999269] alloc_pages_current+0x173/0x350 [ 385.003681] __page_cache_alloc+0x38c/0x5c0 [ 385.008002] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.012937] ? kasan_check_read+0x11/0x20 [ 385.017086] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.022364] ? generic_perform_write+0x6a0/0x6a0 [ 385.027122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.032658] ? check_preemption_disabled+0x48/0x280 [ 385.037677] filemap_fault+0x1595/0x25f0 [ 385.041770] ? __lock_page_or_retry+0xa00/0xa00 [ 385.046435] ? mark_held_locks+0x130/0x130 [ 385.050671] ? filemap_map_pages+0xd6b/0x1a20 [ 385.055163] ? lock_downgrade+0x900/0x900 [ 385.059304] ? check_preemption_disabled+0x48/0x280 [ 385.064317] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.069239] ? kasan_check_read+0x11/0x20 [ 385.073385] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.078661] ? rcu_softirq_qs+0x20/0x20 [ 385.082639] ? filemap_map_pages+0xd92/0x1a20 [ 385.087139] ? find_get_entries_tag+0x1400/0x1400 [ 385.091978] ? debug_object_destroy+0x2b0/0x2b0 [ 385.096649] ? lock_pi_update_atomic+0x150/0x150 [ 385.101399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.107038] ? lock_acquire+0x1ed/0x520 [ 385.111024] ? ext4_filemap_fault+0x7a/0xad [ 385.115346] ? lock_release+0xa00/0xa00 [ 385.119317] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.124762] ? print_usage_bug+0xc0/0xc0 [ 385.128820] ? print_usage_bug+0xc0/0xc0 [ 385.132894] ? down_read+0x8d/0x120 [ 385.136517] ? ext4_filemap_fault+0x7a/0xad [ 385.140837] ? __down_interruptible+0x700/0x700 [ 385.145506] ext4_filemap_fault+0x82/0xad [ 385.149750] __do_fault+0x100/0x6b0 [ 385.153375] ? pmd_devmap_trans_unstable+0x220/0x220 [ 385.158483] ? mark_held_locks+0x130/0x130 [ 385.162716] ? mark_held_locks+0x130/0x130 [ 385.166947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.172479] ? check_preemption_disabled+0x48/0x280 [ 385.177492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.183045] __handle_mm_fault+0x3ea0/0x5be0 [ 385.187460] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 385.192302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.197836] ? __fpu__restore_sig+0x62f/0x1680 [ 385.202432] ? zap_class+0x640/0x640 [ 385.206142] ? zap_class+0x640/0x640 [ 385.209848] ? __x64_sys_futex+0x53e/0x6a0 [ 385.214081] ? find_held_lock+0x36/0x1c0 [ 385.218144] ? handle_mm_fault+0x42a/0xc70 [ 385.222376] ? lock_downgrade+0x900/0x900 [ 385.226516] ? check_preemption_disabled+0x48/0x280 [ 385.231531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.236461] ? kasan_check_read+0x11/0x20 [ 385.240610] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.245886] ? rcu_softirq_qs+0x20/0x20 [ 385.249903] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.255037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.260569] ? check_preemption_disabled+0x48/0x280 [ 385.265585] handle_mm_fault+0x54f/0xc70 [ 385.269643] ? __handle_mm_fault+0x5be0/0x5be0 [ 385.274222] ? find_vma+0x34/0x190 [ 385.277761] __do_page_fault+0x5e8/0xe60 [ 385.281818] ? trace_hardirqs_off+0xb8/0x310 [ 385.286221] ? exit_to_usermode_loop+0x1f4/0x380 [ 385.290986] do_page_fault+0xf2/0x7e0 [ 385.294787] ? vmalloc_sync_all+0x30/0x30 [ 385.298932] ? error_entry+0x70/0xd0 [ 385.302641] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.307651] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.312593] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.317514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.322350] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.327363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.332811] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.337822] ? page_fault+0x8/0x30 [ 385.341362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.346199] ? page_fault+0x8/0x30 [ 385.349732] page_fault+0x1e/0x30 [ 385.353180] RIP: 0033:0x45ddf3 [ 385.356382] Code: Bad RIP value. [ 385.359747] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 385.365101] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 385.372373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 385.379638] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 385.386898] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 385.394162] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 385.401443] warn_alloc_show_mem: 1 callbacks suppressed [ 385.401453] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 385.401455] Mem-Info: [ 385.401485] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 385.401485] active_file:14 inactive_file:13 isolated_file:0 [ 385.401485] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.401485] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 385.401485] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 385.401485] free:13747 free_pcp:512 free_cma:0 [ 385.406812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.406819] Call Trace: [ 385.414175] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.416565] [ 385.449419] 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 [ 385.458763] dump_stack+0x244/0x39d [ 385.461311] lowmem_reserve[]: 0 2818 6321 6321 [ 385.488808] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.490927] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 385.517034] warn_alloc.cold.116+0xb7/0x1bd [ 385.520627] lowmem_reserve[]: 0 0 3503 3503 [ 385.525196] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.530357] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 385.557689] ? lock_downgrade+0x900/0x900 [ 385.561973] lowmem_reserve[]: 0 0 0 0 [ 385.566300] ? trace_hardirqs_off+0xb8/0x310 [ 385.571107] 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 [ 385.600076] ? trace_hardirqs_off+0xb8/0x310 [ 385.604187] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 385.607997] __alloc_pages_slowpath+0x26e8/0x2e10 [ 385.612375] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 385.625907] ? warn_alloc+0x120/0x120 [ 385.630273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.645518] ? warn_alloc+0x120/0x120 [ 385.650333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.664708] ? warn_alloc+0x120/0x120 [ 385.668482] 165 total pagecache pages [ 385.677314] ? print_usage_bug+0xc0/0xc0 [ 385.681095] 0 pages in swap cache [ 385.689651] ? warn_alloc+0x120/0x120 [ 385.693426] Swap cache stats: add 0, delete 0, find 0/0 [ 385.697212] ? print_usage_bug+0xc0/0xc0 [ 385.701241] Free swap = 0kB [ 385.704691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.708458] Total swap = 0kB [ 385.713806] ? should_fail+0x22d/0xd01 [ 385.717838] 1965979 pages RAM [ 385.720845] ? __lock_acquire+0x62f/0x4c20 [ 385.726349] 0 pages HighMem/MovableOnly [ 385.726356] 342855 pages reserved [ 385.729363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.733220] 0 pages cma reserved [ 385.736311] ? __lock_acquire+0x62f/0x4c20 [ 385.740569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.744476] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.744494] ? __lock_acquire+0x62f/0x4c20 [ 385.744509] ? should_fail+0x22d/0xd01 [ 385.748008] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.753048] ? mark_held_locks+0x130/0x130 [ 385.756384] syz-fuzzer cpuset=/ mems_allowed=0 [ 385.760605] ? mark_held_locks+0x130/0x130 [ 385.803447] ? mark_held_locks+0x130/0x130 [ 385.807678] ? zap_class+0x640/0x640 [ 385.811385] ? print_usage_bug+0xc0/0xc0 [ 385.815440] ? mark_held_locks+0x130/0x130 [ 385.819673] ? print_usage_bug+0xc0/0xc0 [ 385.823731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.829268] ? check_preemption_disabled+0x48/0x280 [ 385.834291] ? __lock_is_held+0xb5/0x140 [ 385.838356] __alloc_pages_nodemask+0xa80/0xde0 [ 385.843022] ? zap_class+0x640/0x640 [ 385.846737] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.851758] ? find_held_lock+0x36/0x1c0 [ 385.855838] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.860510] ? lock_downgrade+0x900/0x900 [ 385.864660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.870202] cache_grow_begin+0xa5/0x8c0 [ 385.874262] ? do_raw_spin_unlock+0xa7/0x330 [ 385.878672] fallback_alloc+0x204/0x2e0 [ 385.882645] ____cache_alloc_node+0x1c7/0x1e0 [ 385.887139] kmem_cache_alloc_node+0xe3/0x730 [ 385.891635] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.896395] __alloc_skb+0x119/0x770 [ 385.900547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.905822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.910225] ? lock_downgrade+0x900/0x900 [ 385.914377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.919913] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.925369] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.930816] ? addrconf_rs_timer+0x690/0x690 [ 385.935232] ndisc_alloc_skb+0x144/0x340 [ 385.939292] ndisc_send_rs+0x331/0x6e0 [ 385.943181] addrconf_rs_timer+0x314/0x690 [ 385.947416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.951660] call_timer_fn+0x272/0x920 [ 385.955540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.959770] ? process_timeout+0x40/0x40 [ 385.963835] ? __run_timers+0x7da/0xc70 [ 385.967807] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.972297] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.976786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.981018] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.985922] ? trace_hardirqs_on+0xbd/0x310 [ 385.990244] ? kasan_check_read+0x11/0x20 [ 385.994388] ? __run_timers+0x7da/0xc70 [ 385.998357] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.003496] ? tcp_compressed_ack_kick+0x220/0x220 [ 386.008425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.012650] __run_timers+0x7e5/0xc70 [ 386.016453] ? timer_fixup_init+0x70/0x70 [ 386.020602] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.025616] ? zap_class+0x640/0x640 [ 386.029330] ? enqueue_hrtimer+0x1a5/0x560 [ 386.033561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.038751] ? find_held_lock+0x36/0x1c0 [ 386.042815] ? zap_class+0x640/0x640 [ 386.046529] ? pvclock_read_flags+0x160/0x160 [ 386.051019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.056549] ? check_preemption_disabled+0x48/0x280 [ 386.061566] ? __lock_is_held+0xb5/0x140 [ 386.065623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.071153] ? check_preemption_disabled+0x48/0x280 [ 386.076168] run_timer_softirq+0x52/0xb0 [ 386.080225] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.085236] __do_softirq+0x308/0xb7e [ 386.089033] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.093522] ? lock_downgrade+0x900/0x900 [ 386.097671] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.102774] ? pvclock_read_flags+0x160/0x160 [ 386.107267] ? lapic_next_event+0x5a/0x90 [ 386.111411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.116955] ? kvm_clock_read+0x18/0x30 [ 386.120921] ? kvm_sched_clock_read+0x9/0x20 [ 386.125338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.130871] ? check_preemption_disabled+0x48/0x280 [ 386.135893] irq_exit+0x17f/0x1c0 [ 386.139349] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.144189] ? smp_reschedule_interrupt+0x109/0x650 [ 386.149198] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.155076] ? interrupt_entry+0xb5/0xc0 [ 386.159132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.164141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.169154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.173992] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.179004] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.184025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.188867] apic_timer_interrupt+0xf/0x20 [ 386.193090] [ 386.195326] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.200248] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 386.219138] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.226839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.234101] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 386.241361] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 386.248624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.255889] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 386.263191] skb_clone+0x1bb/0x500 [ 386.266726] ? finish_task_switch+0x2f4/0x910 [ 386.271219] ? skb_split+0x11e0/0x11e0 [ 386.275106] ? preempt_notifier_register+0x200/0x200 [ 386.280204] ? __switch_to_asm+0x34/0x70 [ 386.284259] ? __switch_to_asm+0x34/0x70 [ 386.288323] ? __switch_to_asm+0x40/0x70 [ 386.292377] ? __switch_to_asm+0x34/0x70 [ 386.296432] ? __switch_to_asm+0x40/0x70 [ 386.300490] ? __switch_to_asm+0x34/0x70 [ 386.304548] ? __switch_to_asm+0x40/0x70 [ 386.308605] ? __switch_to_asm+0x34/0x70 [ 386.312665] ? __switch_to_asm+0x34/0x70 [ 386.316718] ? __switch_to_asm+0x40/0x70 [ 386.320771] ? __switch_to_asm+0x34/0x70 [ 386.324836] bpf_clone_redirect+0xb9/0x490 [ 386.329063] ? __schedule+0x8d7/0x21d0 [ 386.332951] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 386.337963] ? __sched_text_start+0x8/0x8 [ 386.342106] ? retint_kernel+0x2d/0x2d [ 386.345987] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.350926] ? find_held_lock+0x36/0x1c0 [ 386.354996] ? lock_acquire+0x1ed/0x520 [ 386.358964] ? bpf_test_run+0x3cb/0x780 [ 386.362943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.368478] ? check_preemption_disabled+0x48/0x280 [ 386.373493] ? kasan_check_read+0x11/0x20 [ 386.377635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.382912] ? rcu_softirq_qs+0x20/0x20 [ 386.386882] ? preempt_schedule+0x4d/0x60 [ 386.391030] ? ___preempt_schedule+0x16/0x18 [ 386.395449] ? bpf_test_run+0x25d/0x780 [ 386.399435] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.403840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.409371] ? bpf_test_init.isra.10+0x70/0x100 [ 386.414039] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 386.418802] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 386.423640] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.429169] ? fput+0x130/0x1a0 [ 386.432449] ? __bpf_prog_get+0x9b/0x290 [ 386.436509] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 386.441344] ? bpf_prog_test_run+0x130/0x1a0 [ 386.445751] ? __x64_sys_bpf+0x3d8/0x520 [ 386.449808] ? bpf_prog_get+0x20/0x20 [ 386.453624] ? do_syscall_64+0x1b9/0x820 [ 386.457679] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.463037] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.467965] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.472978] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 386.477994] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 386.484660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.489508] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.494887] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 386.494955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.501915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.501923] Call Trace: [ 386.508473] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.517729] [ 386.520292] syz-executor4 cpuset=syz4 mems_allowed=0 [ 386.530765] dump_stack+0x244/0x39d [ 386.541591] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.546787] warn_alloc.cold.116+0xb7/0x1bd [ 386.551105] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.555949] ? lock_downgrade+0x900/0x900 [ 386.560101] ? trace_hardirqs_off+0xb8/0x310 [ 386.564511] ? trace_hardirqs_off+0xb8/0x310 [ 386.568929] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.573792] ? warn_alloc+0x120/0x120 [ 386.577587] ? print_usage_bug+0xc0/0xc0 [ 386.581648] ? warn_alloc+0x120/0x120 [ 386.585447] ? warn_alloc+0x120/0x120 [ 386.589241] ? print_usage_bug+0xc0/0xc0 [ 386.593303] ? print_usage_bug+0xc0/0xc0 [ 386.597358] ? __lock_acquire+0x62f/0x4c20 [ 386.601595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.607128] ? should_fail+0x22d/0xd01 [ 386.611012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.616109] ? __lock_acquire+0x62f/0x4c20 [ 386.620342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.625437] ? __lock_acquire+0x62f/0x4c20 [ 386.629682] ? should_fail+0x22d/0xd01 [ 386.633573] ? find_held_lock+0x36/0x1c0 [ 386.637637] ? mark_held_locks+0x130/0x130 [ 386.641869] ? mark_held_locks+0x130/0x130 [ 386.646104] ? zap_class+0x640/0x640 [ 386.649813] ? zap_class+0x640/0x640 [ 386.653523] ? print_usage_bug+0xc0/0xc0 [ 386.657581] ? do_raw_spin_unlock+0xa7/0x330 [ 386.661987] ? zap_class+0x640/0x640 [ 386.665696] ? print_usage_bug+0xc0/0xc0 [ 386.669749] ? wq_watchdog_touch+0x9c/0xfe [ 386.673986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.679522] ? check_preemption_disabled+0x48/0x280 [ 386.684539] ? __lock_is_held+0xb5/0x140 [ 386.688604] __alloc_pages_nodemask+0xa80/0xde0 [ 386.693272] ? zap_class+0x640/0x640 [ 386.696988] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.702008] ? find_held_lock+0x36/0x1c0 [ 386.706072] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.710735] ? lock_downgrade+0x900/0x900 [ 386.714894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.720433] cache_grow_begin+0xa5/0x8c0 [ 386.724948] ? do_raw_spin_unlock+0xa7/0x330 [ 386.729362] fallback_alloc+0x204/0x2e0 [ 386.733338] ____cache_alloc_node+0x1c7/0x1e0 [ 386.737831] kmem_cache_alloc_node+0xe3/0x730 [ 386.742321] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.746568] __alloc_skb+0x119/0x770 [ 386.750275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.755548] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.759975] ? lock_downgrade+0x900/0x900 [ 386.764124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.769659] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.775106] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.780554] ? addrconf_rs_timer+0x690/0x690 [ 386.784970] ndisc_alloc_skb+0x144/0x340 [ 386.789027] ndisc_send_rs+0x331/0x6e0 [ 386.792916] addrconf_rs_timer+0x314/0x690 [ 386.797150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.801390] call_timer_fn+0x272/0x920 [ 386.805272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.809502] ? process_timeout+0x40/0x40 [ 386.813566] ? mark_held_locks+0xc7/0x130 [ 386.817714] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.822206] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.826692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.830923] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.835499] ? trace_hardirqs_on+0xbd/0x310 [ 386.839816] ? kasan_check_read+0x11/0x20 [ 386.843957] ? __run_timers+0x7da/0xc70 [ 386.847926] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.853028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.857265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.861491] __run_timers+0x7e5/0xc70 [ 386.865295] ? timer_fixup_init+0x70/0x70 [ 386.869441] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.874451] ? zap_class+0x640/0x640 [ 386.878166] ? print_usage_bug+0xc0/0xc0 [ 386.882230] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.887423] ? find_held_lock+0x36/0x1c0 [ 386.891488] ? zap_class+0x640/0x640 [ 386.895201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.900740] ? check_preemption_disabled+0x48/0x280 [ 386.905762] ? __lock_is_held+0xb5/0x140 [ 386.909817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.915349] ? check_preemption_disabled+0x48/0x280 [ 386.920362] run_timer_softirq+0x52/0xb0 [ 386.924419] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.929428] __do_softirq+0x308/0xb7e [ 386.933228] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.937721] ? lock_downgrade+0x900/0x900 [ 386.941873] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.946982] ? pvclock_read_flags+0x160/0x160 [ 386.951478] ? lapic_next_event+0x5a/0x90 [ 386.955620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.961156] ? kvm_clock_read+0x18/0x30 [ 386.965131] ? kvm_sched_clock_read+0x9/0x20 [ 386.969535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.975070] ? check_preemption_disabled+0x48/0x280 [ 386.980089] irq_exit+0x17f/0x1c0 [ 386.983538] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.988373] ? smp_reschedule_interrupt+0x109/0x650 [ 386.993388] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.999269] ? interrupt_entry+0xb5/0xc0 [ 387.003331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.008365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.013383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.018320] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.023327] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.028335] ? task_prio+0x50/0x50 [ 387.031884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.037415] ? check_preemption_disabled+0x48/0x280 [ 387.042435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.047280] apic_timer_interrupt+0xf/0x20 [ 387.051505] [ 387.053739] RIP: 0010:dump_stack+0x358/0x39d [ 387.058147] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 387.077039] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 387.084749] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 387.092010] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 387.099271] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 387.106531] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 387.113796] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 387.121077] ? dump_stack+0x34f/0x39d [ 387.124887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.130077] ? mark_held_locks+0x130/0x130 [ 387.134309] ? mark_held_locks+0x130/0x130 [ 387.138546] dump_header+0x27b/0xf72 [ 387.142265] ? pagefault_out_of_memory+0x197/0x197 [ 387.147197] ? __lock_acquire+0x62f/0x4c20 [ 387.151432] ? percpu_ref_get_many+0x240/0x240 [ 387.156012] ? print_usage_bug+0xc0/0xc0 [ 387.160078] ? zap_class+0x640/0x640 [ 387.163790] ? print_usage_bug+0xc0/0xc0 [ 387.167851] ? print_usage_bug+0xc0/0xc0 [ 387.171918] ? zap_class+0x640/0x640 [ 387.175628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.181162] ? find_held_lock+0x36/0x1c0 [ 387.185229] ? mark_held_locks+0xc7/0x130 [ 387.189374] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.194476] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.199574] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.204155] ? trace_hardirqs_on+0xbd/0x310 [ 387.208474] ? kasan_check_read+0x11/0x20 [ 387.212615] ? ___ratelimit+0x3b4/0x672 [ 387.216584] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.221685] ? trace_hardirqs_on+0x310/0x310 [ 387.226087] ? lock_downgrade+0x900/0x900 [ 387.230243] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.235340] ? ___ratelimit+0x3b9/0x672 [ 387.239323] ? idr_get_free+0xf70/0xf70 [ 387.243289] ? find_held_lock+0x36/0x1c0 [ 387.247354] oom_kill_process.cold.27+0x10/0x903 [ 387.252109] ? zap_class+0x640/0x640 [ 387.255821] ? check_preemption_disabled+0x48/0x280 [ 387.260860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.265781] ? kasan_check_read+0x11/0x20 [ 387.269932] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.275210] ? oom_evaluate_task+0x540/0x540 [ 387.279706] ? find_held_lock+0x36/0x1c0 [ 387.283768] ? out_of_memory+0x974/0x1430 [ 387.287918] ? lock_downgrade+0x900/0x900 [ 387.292062] ? check_preemption_disabled+0x48/0x280 [ 387.297075] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.301999] ? kasan_check_read+0x11/0x20 [ 387.306140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.311409] ? rcu_softirq_qs+0x20/0x20 [ 387.315385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.320915] ? oom_evaluate_task+0x302/0x540 [ 387.325325] out_of_memory+0xa84/0x1430 [ 387.329308] ? oom_killer_disable+0x3a0/0x3a0 [ 387.333801] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 387.338739] ? __ww_mutex_check_waiters+0x160/0x160 [ 387.343766] __alloc_pages_slowpath+0x2354/0x2e10 [ 387.348629] ? warn_alloc+0x120/0x120 [ 387.352443] ? mark_held_locks+0x130/0x130 [ 387.356700] ? find_get_entry+0xaae/0x1120 [ 387.360948] ? filemap_map_pages+0x1a20/0x1a20 [ 387.365534] ? zap_class+0x640/0x640 [ 387.369248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.374780] ? check_preemption_disabled+0x48/0x280 [ 387.379818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.385354] ? should_fail+0x22d/0xd01 [ 387.389239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.394336] ? zap_class+0x640/0x640 [ 387.398066] ? __lock_is_held+0xb5/0x140 [ 387.402133] ? mark_held_locks+0x130/0x130 [ 387.406364] ? lock_release+0xa00/0xa00 [ 387.410334] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.415782] ? xa_load+0x2ba/0x460 [ 387.419324] ? lock_downgrade+0x900/0x900 [ 387.423471] ? __might_sleep+0x95/0x190 [ 387.427449] __alloc_pages_nodemask+0xa80/0xde0 [ 387.432117] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.437129] ? __page_cache_alloc+0x191/0x5c0 [ 387.441618] ? xa_load+0x2e1/0x460 [ 387.445156] ? xa_clear_mark+0x40/0x40 [ 387.449038] ? zap_class+0x640/0x640 [ 387.452757] ? zap_class+0x640/0x640 [ 387.456465] ? zap_class+0x640/0x640 [ 387.460177] ? __do_page_cache_readahead+0x663/0x810 [ 387.465296] ? find_held_lock+0x36/0x1c0 [ 387.469357] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 387.474902] alloc_pages_current+0x173/0x350 [ 387.479315] __page_cache_alloc+0x38c/0x5c0 [ 387.483634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.488560] ? kasan_check_read+0x11/0x20 [ 387.492712] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.497987] ? generic_perform_write+0x6a0/0x6a0 [ 387.502741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.508279] ? check_preemption_disabled+0x48/0x280 [ 387.513306] filemap_fault+0x1595/0x25f0 [ 387.517378] ? __lock_page_or_retry+0xa00/0xa00 [ 387.522048] ? mark_held_locks+0x130/0x130 [ 387.526287] ? filemap_map_pages+0xd6b/0x1a20 [ 387.530778] ? lock_downgrade+0x900/0x900 [ 387.534932] ? check_preemption_disabled+0x48/0x280 [ 387.539951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.544875] ? kasan_check_read+0x11/0x20 [ 387.549016] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.554289] ? rcu_softirq_qs+0x20/0x20 [ 387.558276] ? filemap_map_pages+0xd92/0x1a20 [ 387.562779] ? find_get_entries_tag+0x1400/0x1400 [ 387.567630] ? debug_object_destroy+0x2b0/0x2b0 [ 387.572299] ? lock_pi_update_atomic+0x150/0x150 [ 387.577055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.582598] ? lock_acquire+0x1ed/0x520 [ 387.586566] ? ext4_filemap_fault+0x7a/0xad [ 387.590890] ? lock_release+0xa00/0xa00 [ 387.594861] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.600306] ? print_usage_bug+0xc0/0xc0 [ 387.604363] ? print_usage_bug+0xc0/0xc0 [ 387.608426] ? down_read+0x8d/0x120 [ 387.612047] ? ext4_filemap_fault+0x7a/0xad [ 387.616365] ? __down_interruptible+0x700/0x700 [ 387.621040] ext4_filemap_fault+0x82/0xad [ 387.625186] __do_fault+0x100/0x6b0 [ 387.628826] ? pmd_devmap_trans_unstable+0x220/0x220 [ 387.633932] ? mark_held_locks+0x130/0x130 [ 387.638163] ? mark_held_locks+0x130/0x130 [ 387.642402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.647939] ? check_preemption_disabled+0x48/0x280 [ 387.652953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.658488] __handle_mm_fault+0x3ea0/0x5be0 [ 387.662900] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 387.667738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.673271] ? __fpu__restore_sig+0x62f/0x1680 [ 387.677867] ? zap_class+0x640/0x640 [ 387.681578] ? zap_class+0x640/0x640 [ 387.685291] ? __x64_sys_futex+0x53e/0x6a0 [ 387.689527] ? find_held_lock+0x36/0x1c0 [ 387.693595] ? handle_mm_fault+0x42a/0xc70 [ 387.697829] ? lock_downgrade+0x900/0x900 [ 387.701971] ? check_preemption_disabled+0x48/0x280 [ 387.706994] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.711917] ? kasan_check_read+0x11/0x20 [ 387.716060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.721331] ? rcu_softirq_qs+0x20/0x20 [ 387.725794] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.730897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.736432] ? check_preemption_disabled+0x48/0x280 [ 387.741450] handle_mm_fault+0x54f/0xc70 [ 387.745510] ? __handle_mm_fault+0x5be0/0x5be0 [ 387.750094] ? find_vma+0x34/0x190 [ 387.753638] __do_page_fault+0x5e8/0xe60 [ 387.757696] ? trace_hardirqs_off+0xb8/0x310 [ 387.762097] ? exit_to_usermode_loop+0x1f4/0x380 [ 387.766854] do_page_fault+0xf2/0x7e0 [ 387.770651] ? vmalloc_sync_all+0x30/0x30 [ 387.774799] ? error_entry+0x70/0xd0 [ 387.778520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.783528] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.788450] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.793379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.798225] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.803234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.808684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.813692] ? page_fault+0x8/0x30 [ 387.817230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.822071] ? page_fault+0x8/0x30 [ 387.825608] page_fault+0x1e/0x30 [ 387.829053] RIP: 0033:0x45ddf3 [ 387.832251] Code: Bad RIP value. [ 387.835612] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 387.840967] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 387.848230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 387.855493] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 387.862760] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 387.870034] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 387.877314] warn_alloc_show_mem: 1 callbacks suppressed [ 387.877324] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 387.877326] Mem-Info: [ 387.877356] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 387.877356] active_file:14 inactive_file:13 isolated_file:0 [ 387.877356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.877356] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 387.877356] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 387.877356] free:13747 free_pcp:512 free_cma:0 [ 387.882686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.882693] Call Trace: [ 387.890054] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.893442] [ 387.926301] 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 [ 387.935651] dump_stack+0x244/0x39d [ 387.938198] lowmem_reserve[]: 0 2818 6321 6321 [ 387.965693] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.967832] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 387.993938] warn_alloc.cold.116+0xb7/0x1bd [ 387.997523] lowmem_reserve[]: 0 0 3503 3503 [ 388.002097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.007258] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 388.034587] ? lock_downgrade+0x900/0x900 [ 388.038894] lowmem_reserve[]: 0 0 0 0 [ 388.043214] ? trace_hardirqs_off+0xb8/0x310 [ 388.048029] 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 [ 388.076998] ? trace_hardirqs_off+0xb8/0x310 [ 388.081115] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 388.084912] __alloc_pages_slowpath+0x26e8/0x2e10 [ 388.089289] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 388.102827] ? warn_alloc+0x120/0x120 [ 388.107190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.122434] ? print_usage_bug+0xc0/0xc0 [ 388.127250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.141622] ? warn_alloc+0x120/0x120 [ 388.145397] 165 total pagecache pages [ 388.154232] ? warn_alloc+0x120/0x120 [ 388.158272] 0 pages in swap cache [ 388.166831] ? print_usage_bug+0xc0/0xc0 [ 388.170605] Swap cache stats: add 0, delete 0, find 0/0 [ 388.174389] ? kvm_clock_read+0x18/0x30 [ 388.178248] Free swap = 0kB [ 388.181692] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.185725] Total swap = 0kB [ 388.191081] ? print_usage_bug+0xc0/0xc0 [ 388.195024] 1965979 pages RAM [ 388.198553] ? __lock_acquire+0x62f/0x4c20 [ 388.203534] 0 pages HighMem/MovableOnly [ 388.203541] 342855 pages reserved [ 388.206548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.210577] 0 pages cma reserved [ 388.213673] ? should_fail+0x22d/0xd01 [ 388.217934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.221835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.221853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.225352] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.230801] ? __lock_acquire+0x62f/0x4c20 [ 388.234138] syz-fuzzer cpuset=/ mems_allowed=0 [ 388.238016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.278914] ? __lock_acquire+0x62f/0x4c20 [ 388.283143] ? should_fail+0x22d/0xd01 [ 388.287022] ? rcu_irq_exit+0x1a2/0x390 [ 388.291010] ? mark_held_locks+0x130/0x130 [ 388.295244] ? mark_held_locks+0x130/0x130 [ 388.299485] ? mark_held_locks+0xc7/0x130 [ 388.303626] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 388.308635] ? zap_class+0x640/0x640 [ 388.312342] ? print_usage_bug+0xc0/0xc0 [ 388.316400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.321944] ? check_preemption_disabled+0x48/0x280 [ 388.326964] ? __lock_is_held+0xb5/0x140 [ 388.331028] __alloc_pages_nodemask+0xa80/0xde0 [ 388.335694] ? zap_class+0x640/0x640 [ 388.339421] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 388.344445] ? find_held_lock+0x36/0x1c0 [ 388.348513] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.353176] ? lock_downgrade+0x900/0x900 [ 388.357326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.362865] cache_grow_begin+0xa5/0x8c0 [ 388.366921] ? do_raw_spin_unlock+0xa7/0x330 [ 388.371334] fallback_alloc+0x204/0x2e0 [ 388.375310] ____cache_alloc_node+0x1c7/0x1e0 [ 388.379805] kmem_cache_alloc_node+0xe3/0x730 [ 388.384295] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.388534] __alloc_skb+0x119/0x770 [ 388.392245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.397524] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.401935] ? lock_downgrade+0x900/0x900 [ 388.406089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.411620] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.417070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.422951] ? addrconf_rs_timer+0x690/0x690 [ 388.427365] ndisc_alloc_skb+0x144/0x340 [ 388.431424] ndisc_send_rs+0x331/0x6e0 [ 388.435310] addrconf_rs_timer+0x314/0x690 [ 388.439548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.443790] call_timer_fn+0x272/0x920 [ 388.447669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.451899] ? process_timeout+0x40/0x40 [ 388.455963] ? __run_timers+0x7da/0xc70 [ 388.459941] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.464430] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.468918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.473153] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.477748] ? trace_hardirqs_on+0xbd/0x310 [ 388.482079] ? kasan_check_read+0x11/0x20 [ 388.486219] ? __run_timers+0x7da/0xc70 [ 388.490192] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.495293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.499528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.503755] __run_timers+0x7e5/0xc70 [ 388.507560] ? timer_fixup_init+0x70/0x70 [ 388.511704] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.516736] ? zap_class+0x640/0x640 [ 388.520457] ? enqueue_hrtimer+0x1a5/0x560 [ 388.524689] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.529886] ? find_held_lock+0x36/0x1c0 [ 388.533948] ? zap_class+0x640/0x640 [ 388.537664] ? pvclock_read_flags+0x160/0x160 [ 388.542156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.547868] ? check_preemption_disabled+0x48/0x280 [ 388.552891] ? __lock_is_held+0xb5/0x140 [ 388.556947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.562484] ? check_preemption_disabled+0x48/0x280 [ 388.567500] run_timer_softirq+0x52/0xb0 [ 388.571557] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.576567] __do_softirq+0x308/0xb7e [ 388.580365] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.584859] ? lock_downgrade+0x900/0x900 [ 388.589010] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.594115] ? pvclock_read_flags+0x160/0x160 [ 388.598719] ? lapic_next_event+0x5a/0x90 [ 388.602867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.608405] ? kvm_clock_read+0x18/0x30 [ 388.612377] ? kvm_sched_clock_read+0x9/0x20 [ 388.616798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.622335] ? check_preemption_disabled+0x48/0x280 [ 388.627356] irq_exit+0x17f/0x1c0 [ 388.630813] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.635649] ? smp_reschedule_interrupt+0x109/0x650 [ 388.640659] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.646558] ? interrupt_entry+0xb5/0xc0 [ 388.650617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.655628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.660645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.665491] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.670502] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.675524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.680370] apic_timer_interrupt+0xf/0x20 [ 388.684591] [ 388.686824] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.691761] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 388.710656] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.718367] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.726257] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 388.733524] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 388.740790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 388.748052] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 388.755448] skb_clone+0x1bb/0x500 [ 388.758985] ? finish_task_switch+0x2f4/0x910 [ 388.763564] ? skb_split+0x11e0/0x11e0 [ 388.767534] ? preempt_notifier_register+0x200/0x200 [ 388.772632] ? __switch_to_asm+0x34/0x70 [ 388.776697] ? __switch_to_asm+0x34/0x70 [ 388.780750] ? __switch_to_asm+0x40/0x70 [ 388.784805] ? __switch_to_asm+0x34/0x70 [ 388.788860] ? __switch_to_asm+0x40/0x70 [ 388.792914] ? __switch_to_asm+0x34/0x70 [ 388.796979] ? __switch_to_asm+0x40/0x70 [ 388.801033] ? __switch_to_asm+0x34/0x70 [ 388.805087] ? __switch_to_asm+0x34/0x70 [ 388.809141] ? __switch_to_asm+0x40/0x70 [ 388.813195] ? __switch_to_asm+0x34/0x70 [ 388.817264] bpf_clone_redirect+0xb9/0x490 [ 388.821496] ? __schedule+0x8d7/0x21d0 [ 388.825388] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 388.830423] ? __sched_text_start+0x8/0x8 [ 388.834572] ? retint_kernel+0x2d/0x2d [ 388.838457] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.843389] ? find_held_lock+0x36/0x1c0 [ 388.847455] ? lock_acquire+0x1ed/0x520 [ 388.851425] ? bpf_test_run+0x3cb/0x780 [ 388.855399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.860933] ? check_preemption_disabled+0x48/0x280 [ 388.866305] ? kasan_check_read+0x11/0x20 [ 388.870454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.875726] ? rcu_softirq_qs+0x20/0x20 [ 388.879711] ? preempt_schedule+0x4d/0x60 [ 388.883857] ? ___preempt_schedule+0x16/0x18 [ 388.888267] ? bpf_test_run+0x25d/0x780 [ 388.892251] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.896658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.902195] ? bpf_test_init.isra.10+0x70/0x100 [ 388.906869] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 388.911634] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 388.916469] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.922000] ? fput+0x130/0x1a0 [ 388.925274] ? __bpf_prog_get+0x9b/0x290 [ 388.929334] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 388.934169] ? bpf_prog_test_run+0x130/0x1a0 [ 388.938578] ? __x64_sys_bpf+0x3d8/0x520 [ 388.942635] ? bpf_prog_get+0x20/0x20 [ 388.946447] ? do_syscall_64+0x1b9/0x820 [ 388.950510] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.955869] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.960794] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.965808] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.970818] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 388.977573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.982419] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.987803] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 388.987868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.994812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.994817] Call Trace: [ 388.994823] [ 388.994839] dump_stack+0x244/0x39d [ 388.994858] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.001369] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.010685] warn_alloc.cold.116+0xb7/0x1bd [ 389.013232] syz-executor4 cpuset=syz4 mems_allowed=0 [ 389.015375] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.048845] ? lock_downgrade+0x900/0x900 [ 389.052994] ? trace_hardirqs_off+0xb8/0x310 [ 389.057406] ? trace_hardirqs_off+0xb8/0x310 [ 389.061816] __alloc_pages_slowpath+0x26e8/0x2e10 [ 389.066690] ? warn_alloc+0x120/0x120 [ 389.070487] ? print_usage_bug+0xc0/0xc0 [ 389.074545] ? warn_alloc+0x120/0x120 [ 389.078345] ? warn_alloc+0x120/0x120 [ 389.082140] ? print_usage_bug+0xc0/0xc0 [ 389.086196] ? kvm_clock_read+0x18/0x30 [ 389.090169] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.095181] ? print_usage_bug+0xc0/0xc0 [ 389.099239] ? __lock_acquire+0x62f/0x4c20 [ 389.103476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.109007] ? should_fail+0x22d/0xd01 [ 389.112892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.118169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.123271] ? __lock_acquire+0x62f/0x4c20 [ 389.127505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.132603] ? __lock_acquire+0x62f/0x4c20 [ 389.136846] ? should_fail+0x22d/0xd01 [ 389.140727] ? rcu_irq_exit+0x1a2/0x390 [ 389.144708] ? mark_held_locks+0x130/0x130 [ 389.148946] ? mark_held_locks+0x130/0x130 [ 389.153183] ? mark_held_locks+0xc7/0x130 [ 389.157328] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.162347] ? zap_class+0x640/0x640 [ 389.166054] ? print_usage_bug+0xc0/0xc0 [ 389.170114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.175657] ? check_preemption_disabled+0x48/0x280 [ 389.180705] ? __lock_is_held+0xb5/0x140 [ 389.184770] __alloc_pages_nodemask+0xa80/0xde0 [ 389.189436] ? zap_class+0x640/0x640 [ 389.193150] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.198172] ? find_held_lock+0x36/0x1c0 [ 389.202239] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.206907] ? lock_downgrade+0x900/0x900 [ 389.211058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.216598] cache_grow_begin+0xa5/0x8c0 [ 389.220662] ? do_raw_spin_unlock+0xa7/0x330 [ 389.225078] fallback_alloc+0x204/0x2e0 [ 389.229066] ____cache_alloc_node+0x1c7/0x1e0 [ 389.233563] kmem_cache_alloc_node+0xe3/0x730 [ 389.238052] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.242291] __alloc_skb+0x119/0x770 [ 389.245998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.251273] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.255682] ? lock_downgrade+0x900/0x900 [ 389.259830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.265365] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.270815] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.276264] ? addrconf_rs_timer+0x690/0x690 [ 389.280690] ndisc_alloc_skb+0x144/0x340 [ 389.284749] ndisc_send_rs+0x331/0x6e0 [ 389.288645] addrconf_rs_timer+0x314/0x690 [ 389.292884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.297123] call_timer_fn+0x272/0x920 [ 389.301003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.305234] ? process_timeout+0x40/0x40 [ 389.309300] ? mark_held_locks+0xc7/0x130 [ 389.313449] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.317951] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.322440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.326732] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.331313] ? trace_hardirqs_on+0xbd/0x310 [ 389.335627] ? kasan_check_read+0x11/0x20 [ 389.339787] ? __run_timers+0x7da/0xc70 [ 389.343758] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.348864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.353116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.357348] __run_timers+0x7e5/0xc70 [ 389.361169] ? timer_fixup_init+0x70/0x70 [ 389.365313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.370328] ? zap_class+0x640/0x640 [ 389.374044] ? print_usage_bug+0xc0/0xc0 [ 389.378102] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.383296] ? find_held_lock+0x36/0x1c0 [ 389.387356] ? zap_class+0x640/0x640 [ 389.391070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.396604] ? check_preemption_disabled+0x48/0x280 [ 389.401646] ? __lock_is_held+0xb5/0x140 [ 389.405709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.411238] ? check_preemption_disabled+0x48/0x280 [ 389.416256] run_timer_softirq+0x52/0xb0 [ 389.420317] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.425331] __do_softirq+0x308/0xb7e [ 389.429132] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 389.433622] ? lock_downgrade+0x900/0x900 [ 389.437782] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.442886] ? pvclock_read_flags+0x160/0x160 [ 389.447377] ? lapic_next_event+0x5a/0x90 [ 389.451527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.457064] ? kvm_clock_read+0x18/0x30 [ 389.461037] ? kvm_sched_clock_read+0x9/0x20 [ 389.465443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.470980] ? check_preemption_disabled+0x48/0x280 [ 389.476015] irq_exit+0x17f/0x1c0 [ 389.479465] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.484306] ? smp_reschedule_interrupt+0x109/0x650 [ 389.489317] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.495216] ? interrupt_entry+0xb5/0xc0 [ 389.499275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.504285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.509300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.514138] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.519148] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.524160] ? task_prio+0x50/0x50 [ 389.527697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.533230] ? check_preemption_disabled+0x48/0x280 [ 389.538254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.543102] apic_timer_interrupt+0xf/0x20 [ 389.547329] [ 389.549561] RIP: 0010:dump_stack+0x358/0x39d [ 389.553965] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 389.572946] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 389.580652] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 389.587920] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 389.595183] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 389.602446] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 389.609712] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 389.617012] ? dump_stack+0x34f/0x39d [ 389.620819] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.626011] ? mark_held_locks+0x130/0x130 [ 389.630239] ? mark_held_locks+0x130/0x130 [ 389.634476] dump_header+0x27b/0xf72 [ 389.638197] ? pagefault_out_of_memory+0x197/0x197 [ 389.643127] ? __lock_acquire+0x62f/0x4c20 [ 389.647364] ? percpu_ref_get_many+0x240/0x240 [ 389.651946] ? print_usage_bug+0xc0/0xc0 [ 389.656011] ? zap_class+0x640/0x640 [ 389.659722] ? print_usage_bug+0xc0/0xc0 [ 389.663786] ? print_usage_bug+0xc0/0xc0 [ 389.667857] ? zap_class+0x640/0x640 [ 389.671573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.677114] ? find_held_lock+0x36/0x1c0 [ 389.681190] ? mark_held_locks+0xc7/0x130 [ 389.685341] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.690442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.695541] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.700123] ? trace_hardirqs_on+0xbd/0x310 [ 389.704437] ? kasan_check_read+0x11/0x20 [ 389.708580] ? ___ratelimit+0x3b4/0x672 [ 389.712558] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.717665] ? trace_hardirqs_on+0x310/0x310 [ 389.722078] ? lock_downgrade+0x900/0x900 [ 389.726229] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.731327] ? ___ratelimit+0x3b9/0x672 [ 389.735295] ? idr_get_free+0xf70/0xf70 [ 389.739261] ? find_held_lock+0x36/0x1c0 [ 389.743334] oom_kill_process.cold.27+0x10/0x903 [ 389.748082] ? zap_class+0x640/0x640 [ 389.751804] ? check_preemption_disabled+0x48/0x280 [ 389.756818] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.761742] ? kasan_check_read+0x11/0x20 [ 389.765881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.771158] ? oom_evaluate_task+0x540/0x540 [ 389.775565] ? find_held_lock+0x36/0x1c0 [ 389.779639] ? out_of_memory+0x974/0x1430 [ 389.783783] ? lock_downgrade+0x900/0x900 [ 389.787928] ? check_preemption_disabled+0x48/0x280 [ 389.792939] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.797864] ? kasan_check_read+0x11/0x20 [ 389.802006] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.807275] ? rcu_softirq_qs+0x20/0x20 [ 389.811262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.816794] ? oom_evaluate_task+0x302/0x540 [ 389.821204] out_of_memory+0xa84/0x1430 [ 389.825182] ? oom_killer_disable+0x3a0/0x3a0 [ 389.829674] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 389.834609] ? __ww_mutex_check_waiters+0x160/0x160 [ 389.839639] __alloc_pages_slowpath+0x2354/0x2e10 [ 389.844500] ? warn_alloc+0x120/0x120 [ 389.848299] ? mark_held_locks+0x130/0x130 [ 389.852535] ? find_get_entry+0xaae/0x1120 [ 389.856779] ? filemap_map_pages+0x1a20/0x1a20 [ 389.861361] ? zap_class+0x640/0x640 [ 389.865077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.870618] ? check_preemption_disabled+0x48/0x280 [ 389.875634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.881169] ? should_fail+0x22d/0xd01 [ 389.885056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.890154] ? zap_class+0x640/0x640 [ 389.894260] ? __lock_is_held+0xb5/0x140 [ 389.898338] ? mark_held_locks+0x130/0x130 [ 389.902574] ? lock_release+0xa00/0xa00 [ 389.906559] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.912010] ? xa_load+0x2ba/0x460 [ 389.915552] ? lock_downgrade+0x900/0x900 [ 389.919711] ? __might_sleep+0x95/0x190 [ 389.923687] __alloc_pages_nodemask+0xa80/0xde0 [ 389.928370] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.933388] ? __page_cache_alloc+0x191/0x5c0 [ 389.937883] ? xa_load+0x2e1/0x460 [ 389.941426] ? xa_clear_mark+0x40/0x40 [ 389.945308] ? zap_class+0x640/0x640 [ 389.949024] ? zap_class+0x640/0x640 [ 389.952736] ? zap_class+0x640/0x640 [ 389.956446] ? __do_page_cache_readahead+0x663/0x810 [ 389.961549] ? find_held_lock+0x36/0x1c0 [ 389.965628] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.971167] alloc_pages_current+0x173/0x350 [ 389.975583] __page_cache_alloc+0x38c/0x5c0 [ 389.979900] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.984821] ? kasan_check_read+0x11/0x20 [ 389.988963] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.994234] ? generic_perform_write+0x6a0/0x6a0 [ 389.998984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.004516] ? check_preemption_disabled+0x48/0x280 [ 390.009532] filemap_fault+0x1595/0x25f0 [ 390.013610] ? __lock_page_or_retry+0xa00/0xa00 [ 390.018278] ? mark_held_locks+0x130/0x130 [ 390.022516] ? filemap_map_pages+0xd6b/0x1a20 [ 390.027009] ? lock_downgrade+0x900/0x900 [ 390.031148] ? check_preemption_disabled+0x48/0x280 [ 390.036162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.041088] ? kasan_check_read+0x11/0x20 [ 390.045232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.050500] ? rcu_softirq_qs+0x20/0x20 [ 390.054479] ? filemap_map_pages+0xd92/0x1a20 [ 390.058982] ? find_get_entries_tag+0x1400/0x1400 [ 390.063826] ? debug_object_destroy+0x2b0/0x2b0 [ 390.068497] ? lock_pi_update_atomic+0x150/0x150 [ 390.073347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.078893] ? lock_acquire+0x1ed/0x520 [ 390.082862] ? ext4_filemap_fault+0x7a/0xad [ 390.087188] ? lock_release+0xa00/0xa00 [ 390.091156] ? perf_trace_sched_process_exec+0x860/0x860 [ 390.096606] ? print_usage_bug+0xc0/0xc0 [ 390.100666] ? print_usage_bug+0xc0/0xc0 [ 390.104738] ? down_read+0x8d/0x120 [ 390.108368] ? ext4_filemap_fault+0x7a/0xad [ 390.112685] ? __down_interruptible+0x700/0x700 [ 390.117362] ext4_filemap_fault+0x82/0xad [ 390.121505] __do_fault+0x100/0x6b0 [ 390.125132] ? pmd_devmap_trans_unstable+0x220/0x220 [ 390.130235] ? mark_held_locks+0x130/0x130 [ 390.134465] ? mark_held_locks+0x130/0x130 [ 390.138695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.144403] ? check_preemption_disabled+0x48/0x280 [ 390.149419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.154955] __handle_mm_fault+0x3ea0/0x5be0 [ 390.159372] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 390.164210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.169740] ? __fpu__restore_sig+0x62f/0x1680 [ 390.174376] ? zap_class+0x640/0x640 [ 390.178107] ? zap_class+0x640/0x640 [ 390.181822] ? __x64_sys_futex+0x53e/0x6a0 [ 390.186073] ? find_held_lock+0x36/0x1c0 [ 390.190138] ? handle_mm_fault+0x42a/0xc70 [ 390.194371] ? lock_downgrade+0x900/0x900 [ 390.198511] ? check_preemption_disabled+0x48/0x280 [ 390.203524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.208458] ? kasan_check_read+0x11/0x20 [ 390.212601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.217872] ? rcu_softirq_qs+0x20/0x20 [ 390.221842] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.226942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.232471] ? check_preemption_disabled+0x48/0x280 [ 390.237488] handle_mm_fault+0x54f/0xc70 [ 390.241548] ? __handle_mm_fault+0x5be0/0x5be0 [ 390.246145] ? find_vma+0x34/0x190 [ 390.249686] __do_page_fault+0x5e8/0xe60 [ 390.253739] ? trace_hardirqs_off+0xb8/0x310 [ 390.258143] ? exit_to_usermode_loop+0x1f4/0x380 [ 390.262899] do_page_fault+0xf2/0x7e0 [ 390.266695] ? vmalloc_sync_all+0x30/0x30 [ 390.270836] ? error_entry+0x70/0xd0 [ 390.274545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.279574] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.284500] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.289432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.294281] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.299726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.305177] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.310190] ? page_fault+0x8/0x30 [ 390.313734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.318592] ? page_fault+0x8/0x30 [ 390.322132] page_fault+0x1e/0x30 [ 390.325580] RIP: 0033:0x45ddf3 [ 390.328780] Code: Bad RIP value. [ 390.332136] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 390.337490] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 390.344752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 390.352017] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 390.359277] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 390.366538] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 390.373836] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 390.373841] warn_alloc_show_mem: 1 callbacks suppressed [ 390.373847] Mem-Info: [ 390.381199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.386574] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 390.386574] active_file:14 inactive_file:13 isolated_file:0 [ 390.386574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.386574] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 390.386574] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 390.386574] free:13747 free_pcp:512 free_cma:0 [ 390.389025] Call Trace: [ 390.398398] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.431235] [ 390.433805] 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 [ 390.461295] dump_stack+0x244/0x39d [ 390.463413] lowmem_reserve[]: 0 2818 6321 6321 [ 390.489513] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.493120] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 390.497710] warn_alloc.cold.116+0xb7/0x1bd [ 390.502864] lowmem_reserve[]: 0 0 3503 3503 [ 390.530267] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.534558] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 390.538866] ? lock_downgrade+0x900/0x900 [ 390.543689] lowmem_reserve[]: 0 0 0 0 [ 390.572665] ? trace_hardirqs_off+0xb8/0x310 [ 390.576785] 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 [ 390.580583] ? trace_hardirqs_off+0xb8/0x310 [ 390.584957] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 390.598475] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.602854] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 390.618137] ? warn_alloc+0x120/0x120 [ 390.622935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.637308] ? print_usage_bug+0xc0/0xc0 [ 390.641081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.649900] ? warn_alloc+0x120/0x120 [ 390.653936] 165 total pagecache pages [ 390.662500] ? warn_alloc+0x120/0x120 [ 390.666285] 0 pages in swap cache [ 390.670070] ? print_usage_bug+0xc0/0xc0 [ 390.673842] Swap cache stats: add 0, delete 0, find 0/0 [ 390.677282] ? print_usage_bug+0xc0/0xc0 [ 390.681316] Free swap = 0kB [ 390.686663] ? __lock_acquire+0x62f/0x4c20 [ 390.690694] Total swap = 0kB [ 390.693708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.697915] 1965979 pages RAM [ 390.700921] ? should_fail+0x22d/0xd01 [ 390.706420] 0 pages HighMem/MovableOnly [ 390.706427] 342855 pages reserved [ 390.709527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.713383] 0 pages cma reserved [ 390.713465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.717352] ? __lock_acquire+0x62f/0x4c20 [ 390.720908] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.726258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.729595] syz-fuzzer cpuset=/ mems_allowed=0 [ 390.736073] ? __lock_acquire+0x62f/0x4c20 [ 390.736087] ? should_fail+0x22d/0xd01 [ 390.768271] ? find_held_lock+0x36/0x1c0 [ 390.772336] ? mark_held_locks+0x130/0x130 [ 390.776571] ? mark_held_locks+0x130/0x130 [ 390.780798] ? zap_class+0x640/0x640 [ 390.784525] ? zap_class+0x640/0x640 [ 390.788241] ? print_usage_bug+0xc0/0xc0 [ 390.792293] ? do_raw_spin_unlock+0xa7/0x330 [ 390.796699] ? zap_class+0x640/0x640 [ 390.800406] ? print_usage_bug+0xc0/0xc0 [ 390.804459] ? wq_watchdog_touch+0x9c/0xfe [ 390.808693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.814235] ? check_preemption_disabled+0x48/0x280 [ 390.819254] ? __lock_is_held+0xb5/0x140 [ 390.823318] __alloc_pages_nodemask+0xa80/0xde0 [ 390.827981] ? zap_class+0x640/0x640 [ 390.831695] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.836714] ? find_held_lock+0x36/0x1c0 [ 390.840782] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.845449] ? lock_downgrade+0x900/0x900 [ 390.849600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.855141] cache_grow_begin+0xa5/0x8c0 [ 390.859196] ? do_raw_spin_unlock+0xa7/0x330 [ 390.863604] fallback_alloc+0x204/0x2e0 [ 390.867582] ____cache_alloc_node+0x1c7/0x1e0 [ 390.872075] kmem_cache_alloc_node+0xe3/0x730 [ 390.876566] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.880805] __alloc_skb+0x119/0x770 [ 390.884515] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.889787] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.894193] ? lock_downgrade+0x900/0x900 [ 390.898341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.903876] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.909343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.914789] ? addrconf_rs_timer+0x690/0x690 [ 390.919201] ndisc_alloc_skb+0x144/0x340 [ 390.923259] ndisc_send_rs+0x331/0x6e0 [ 390.927144] addrconf_rs_timer+0x314/0x690 [ 390.931375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.935613] call_timer_fn+0x272/0x920 [ 390.939502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.943735] ? process_timeout+0x40/0x40 [ 390.947798] ? __run_timers+0x7da/0xc70 [ 390.951770] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.956266] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.960760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.964990] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.969579] ? trace_hardirqs_on+0xbd/0x310 [ 390.973901] ? kasan_check_read+0x11/0x20 [ 390.978043] ? __run_timers+0x7da/0xc70 [ 390.982030] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.987137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.991374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.995605] __run_timers+0x7e5/0xc70 [ 390.999408] ? timer_fixup_init+0x70/0x70 [ 391.003556] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.008574] ? zap_class+0x640/0x640 [ 391.012290] ? enqueue_hrtimer+0x1a5/0x560 [ 391.016526] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.021719] ? find_held_lock+0x36/0x1c0 [ 391.025780] ? zap_class+0x640/0x640 [ 391.029500] ? pvclock_read_flags+0x160/0x160 [ 391.033995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.039530] ? check_preemption_disabled+0x48/0x280 [ 391.044548] ? __lock_is_held+0xb5/0x140 [ 391.048609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.054139] ? check_preemption_disabled+0x48/0x280 [ 391.059152] run_timer_softirq+0x52/0xb0 [ 391.063206] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.068215] __do_softirq+0x308/0xb7e [ 391.072022] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.076510] ? lock_downgrade+0x900/0x900 [ 391.080657] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.085759] ? pvclock_read_flags+0x160/0x160 [ 391.090250] ? lapic_next_event+0x5a/0x90 [ 391.094420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.099975] ? kvm_clock_read+0x18/0x30 [ 391.103943] ? kvm_sched_clock_read+0x9/0x20 [ 391.108347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.113885] ? check_preemption_disabled+0x48/0x280 [ 391.118916] irq_exit+0x17f/0x1c0 [ 391.122366] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.127207] ? smp_reschedule_interrupt+0x109/0x650 [ 391.132217] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.138098] ? interrupt_entry+0xb5/0xc0 [ 391.142154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.147165] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.152174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.157028] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.162036] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.167057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.171899] apic_timer_interrupt+0xf/0x20 [ 391.176122] [ 391.178356] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.183281] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 391.202175] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.209874] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.217140] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 391.224400] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 391.231675] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.238937] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 391.246239] skb_clone+0x1bb/0x500 [ 391.249774] ? finish_task_switch+0x2f4/0x910 [ 391.254263] ? skb_split+0x11e0/0x11e0 [ 391.258148] ? preempt_notifier_register+0x200/0x200 [ 391.263247] ? __switch_to_asm+0x34/0x70 [ 391.267302] ? __switch_to_asm+0x34/0x70 [ 391.271359] ? __switch_to_asm+0x40/0x70 [ 391.275412] ? __switch_to_asm+0x34/0x70 [ 391.279473] ? __switch_to_asm+0x40/0x70 [ 391.283533] ? __switch_to_asm+0x34/0x70 [ 391.287588] ? __switch_to_asm+0x40/0x70 [ 391.291645] ? __switch_to_asm+0x34/0x70 [ 391.295702] ? __switch_to_asm+0x34/0x70 [ 391.299758] ? __switch_to_asm+0x40/0x70 [ 391.303814] ? __switch_to_asm+0x34/0x70 [ 391.307875] bpf_clone_redirect+0xb9/0x490 [ 391.312108] ? __schedule+0x8d7/0x21d0 [ 391.316003] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 391.321019] ? __sched_text_start+0x8/0x8 [ 391.325163] ? retint_kernel+0x2d/0x2d [ 391.329049] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.333985] ? find_held_lock+0x36/0x1c0 [ 391.338050] ? lock_acquire+0x1ed/0x520 [ 391.342019] ? bpf_test_run+0x3cb/0x780 [ 391.345993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.351534] ? check_preemption_disabled+0x48/0x280 [ 391.356550] ? kasan_check_read+0x11/0x20 [ 391.360695] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.365966] ? rcu_softirq_qs+0x20/0x20 [ 391.369942] ? preempt_schedule+0x4d/0x60 [ 391.374086] ? ___preempt_schedule+0x16/0x18 [ 391.378497] ? bpf_test_run+0x25d/0x780 [ 391.382563] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.387107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.392638] ? bpf_test_init.isra.10+0x70/0x100 [ 391.397305] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 391.402063] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.406898] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.412428] ? fput+0x130/0x1a0 [ 391.415712] ? __bpf_prog_get+0x9b/0x290 [ 391.419772] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.424610] ? bpf_prog_test_run+0x130/0x1a0 [ 391.429014] ? __x64_sys_bpf+0x3d8/0x520 [ 391.433072] ? bpf_prog_get+0x20/0x20 [ 391.436886] ? do_syscall_64+0x1b9/0x820 [ 391.440948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.446311] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.451236] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.456247] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.461261] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 391.467932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.472776] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.478152] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 391.478217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.485161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.485165] Call Trace: [ 391.485171] [ 391.485187] dump_stack+0x244/0x39d [ 391.485205] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.491718] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.501108] warn_alloc.cold.116+0xb7/0x1bd [ 391.503657] syz-executor4 cpuset=syz4 mems_allowed=0 [ 391.505793] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.539243] ? lock_downgrade+0x900/0x900 [ 391.543392] ? trace_hardirqs_off+0xb8/0x310 [ 391.547804] ? trace_hardirqs_off+0xb8/0x310 [ 391.552213] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.557078] ? warn_alloc+0x120/0x120 [ 391.560880] ? print_usage_bug+0xc0/0xc0 [ 391.564937] ? warn_alloc+0x120/0x120 [ 391.568735] ? warn_alloc+0x120/0x120 [ 391.572541] ? print_usage_bug+0xc0/0xc0 [ 391.576605] ? print_usage_bug+0xc0/0xc0 [ 391.580661] ? __lock_acquire+0x62f/0x4c20 [ 391.584896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.590434] ? should_fail+0x22d/0xd01 [ 391.594318] ? __lock_acquire+0x62f/0x4c20 [ 391.598548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.603649] ? __lock_acquire+0x62f/0x4c20 [ 391.607881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.612975] ? __lock_acquire+0x62f/0x4c20 [ 391.617204] ? should_fail+0x22d/0xd01 [ 391.621097] ? mark_held_locks+0x130/0x130 [ 391.625330] ? mark_held_locks+0x130/0x130 [ 391.629561] ? zap_class+0x640/0x640 [ 391.633285] ? zap_class+0x640/0x640 [ 391.636995] ? print_usage_bug+0xc0/0xc0 [ 391.641053] ? wq_watchdog_touch+0x9c/0xfe [ 391.645285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.650820] ? check_preemption_disabled+0x48/0x280 [ 391.655839] ? __lock_is_held+0xb5/0x140 [ 391.659901] __alloc_pages_nodemask+0xa80/0xde0 [ 391.664665] ? zap_class+0x640/0x640 [ 391.668378] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.673402] ? find_held_lock+0x36/0x1c0 [ 391.677475] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.682138] ? lock_downgrade+0x900/0x900 [ 391.686286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.691825] cache_grow_begin+0xa5/0x8c0 [ 391.695886] ? do_raw_spin_unlock+0xa7/0x330 [ 391.700295] fallback_alloc+0x204/0x2e0 [ 391.704269] ____cache_alloc_node+0x1c7/0x1e0 [ 391.708762] kmem_cache_alloc_node+0xe3/0x730 [ 391.713252] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.717493] __alloc_skb+0x119/0x770 [ 391.721202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.726490] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.730892] ? lock_downgrade+0x900/0x900 [ 391.735044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.740580] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.746027] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.751473] ? addrconf_rs_timer+0x690/0x690 [ 391.755887] ndisc_alloc_skb+0x144/0x340 [ 391.759945] ndisc_send_rs+0x331/0x6e0 [ 391.763830] addrconf_rs_timer+0x314/0x690 [ 391.768067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.772306] call_timer_fn+0x272/0x920 [ 391.776185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.780418] ? process_timeout+0x40/0x40 [ 391.784483] ? mark_held_locks+0xc7/0x130 [ 391.788628] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.793118] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.797957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.802191] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.806767] ? trace_hardirqs_on+0xbd/0x310 [ 391.811081] ? kasan_check_read+0x11/0x20 [ 391.815221] ? __run_timers+0x7da/0xc70 [ 391.819190] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.824300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.828528] __run_timers+0x7e5/0xc70 [ 391.832333] ? timer_fixup_init+0x70/0x70 [ 391.836478] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.841491] ? zap_class+0x640/0x640 [ 391.845204] ? print_usage_bug+0xc0/0xc0 [ 391.849269] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.854476] ? find_held_lock+0x36/0x1c0 [ 391.858535] ? zap_class+0x640/0x640 [ 391.862247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.867780] ? check_preemption_disabled+0x48/0x280 [ 391.872801] ? __lock_is_held+0xb5/0x140 [ 391.876861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.882394] ? check_preemption_disabled+0x48/0x280 [ 391.887433] run_timer_softirq+0x52/0xb0 [ 391.891900] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.896911] __do_softirq+0x308/0xb7e [ 391.900716] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.905207] ? lock_downgrade+0x900/0x900 [ 391.909354] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.914464] ? pvclock_read_flags+0x160/0x160 [ 391.918963] ? lapic_next_event+0x5a/0x90 [ 391.923106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.928646] ? kvm_clock_read+0x18/0x30 [ 391.932612] ? kvm_sched_clock_read+0x9/0x20 [ 391.937017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.942555] ? check_preemption_disabled+0x48/0x280 [ 391.947573] irq_exit+0x17f/0x1c0 [ 391.951026] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.955864] ? smp_reschedule_interrupt+0x109/0x650 [ 391.960877] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.966760] ? interrupt_entry+0xb5/0xc0 [ 391.970827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.975839] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.980854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.985691] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.990710] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.995725] ? task_prio+0x50/0x50 [ 391.999260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.004799] ? check_preemption_disabled+0x48/0x280 [ 392.009815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.014658] apic_timer_interrupt+0xf/0x20 [ 392.018880] [ 392.021117] RIP: 0010:dump_stack+0x358/0x39d [ 392.025531] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 392.044438] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 392.052141] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 392.059405] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 392.066678] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 392.073939] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 392.081205] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 392.088485] ? dump_stack+0x34f/0x39d [ 392.092298] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.097487] ? mark_held_locks+0x130/0x130 [ 392.101718] ? mark_held_locks+0x130/0x130 [ 392.105958] dump_header+0x27b/0xf72 [ 392.109681] ? pagefault_out_of_memory+0x197/0x197 [ 392.114611] ? __lock_acquire+0x62f/0x4c20 [ 392.118845] ? percpu_ref_get_many+0x240/0x240 [ 392.123429] ? print_usage_bug+0xc0/0xc0 [ 392.127491] ? zap_class+0x640/0x640 [ 392.131200] ? print_usage_bug+0xc0/0xc0 [ 392.135256] ? print_usage_bug+0xc0/0xc0 [ 392.139311] ? zap_class+0x640/0x640 [ 392.143022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.148555] ? find_held_lock+0x36/0x1c0 [ 392.152622] ? mark_held_locks+0xc7/0x130 [ 392.156773] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.161872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.166975] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.171568] ? trace_hardirqs_on+0xbd/0x310 [ 392.175885] ? kasan_check_read+0x11/0x20 [ 392.180030] ? ___ratelimit+0x3b4/0x672 [ 392.183999] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.189098] ? trace_hardirqs_on+0x310/0x310 [ 392.193499] ? lock_downgrade+0x900/0x900 [ 392.197647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.202743] ? ___ratelimit+0x3b9/0x672 [ 392.206714] ? idr_get_free+0xf70/0xf70 [ 392.210684] ? find_held_lock+0x36/0x1c0 [ 392.214749] oom_kill_process.cold.27+0x10/0x903 [ 392.219502] ? zap_class+0x640/0x640 [ 392.223212] ? check_preemption_disabled+0x48/0x280 [ 392.228224] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.233150] ? kasan_check_read+0x11/0x20 [ 392.237296] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.242574] ? oom_evaluate_task+0x540/0x540 [ 392.246979] ? find_held_lock+0x36/0x1c0 [ 392.251044] ? out_of_memory+0x974/0x1430 [ 392.255193] ? lock_downgrade+0x900/0x900 [ 392.259346] ? check_preemption_disabled+0x48/0x280 [ 392.264553] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.269484] ? kasan_check_read+0x11/0x20 [ 392.273628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.278901] ? rcu_softirq_qs+0x20/0x20 [ 392.282883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.288512] ? oom_evaluate_task+0x302/0x540 [ 392.292919] out_of_memory+0xa84/0x1430 [ 392.296898] ? oom_killer_disable+0x3a0/0x3a0 [ 392.301406] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 392.306330] ? __ww_mutex_check_waiters+0x160/0x160 [ 392.311359] __alloc_pages_slowpath+0x2354/0x2e10 [ 392.316237] ? warn_alloc+0x120/0x120 [ 392.320036] ? mark_held_locks+0x130/0x130 [ 392.324270] ? find_get_entry+0xaae/0x1120 [ 392.328511] ? filemap_map_pages+0x1a20/0x1a20 [ 392.333092] ? zap_class+0x640/0x640 [ 392.336804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.342341] ? check_preemption_disabled+0x48/0x280 [ 392.347377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.352998] ? should_fail+0x22d/0xd01 [ 392.356887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.362009] ? zap_class+0x640/0x640 [ 392.365764] ? __lock_is_held+0xb5/0x140 [ 392.369835] ? mark_held_locks+0x130/0x130 [ 392.374068] ? lock_release+0xa00/0xa00 [ 392.378040] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.383485] ? xa_load+0x2ba/0x460 [ 392.387022] ? lock_downgrade+0x900/0x900 [ 392.391167] ? __might_sleep+0x95/0x190 [ 392.395140] __alloc_pages_nodemask+0xa80/0xde0 [ 392.399814] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.404828] ? __page_cache_alloc+0x191/0x5c0 [ 392.409317] ? xa_load+0x2e1/0x460 [ 392.412853] ? xa_clear_mark+0x40/0x40 [ 392.416740] ? zap_class+0x640/0x640 [ 392.420454] ? zap_class+0x640/0x640 [ 392.424165] ? zap_class+0x640/0x640 [ 392.427873] ? __do_page_cache_readahead+0x663/0x810 [ 392.432984] ? find_held_lock+0x36/0x1c0 [ 392.437049] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.442591] alloc_pages_current+0x173/0x350 [ 392.447002] __page_cache_alloc+0x38c/0x5c0 [ 392.451317] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.456241] ? kasan_check_read+0x11/0x20 [ 392.460389] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.465667] ? generic_perform_write+0x6a0/0x6a0 [ 392.470417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.475949] ? check_preemption_disabled+0x48/0x280 [ 392.480967] filemap_fault+0x1595/0x25f0 [ 392.485037] ? __lock_page_or_retry+0xa00/0xa00 [ 392.489703] ? mark_held_locks+0x130/0x130 [ 392.493943] ? filemap_map_pages+0xd6b/0x1a20 [ 392.498435] ? lock_downgrade+0x900/0x900 [ 392.502582] ? check_preemption_disabled+0x48/0x280 [ 392.507595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.512518] ? kasan_check_read+0x11/0x20 [ 392.516658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.521931] ? rcu_softirq_qs+0x20/0x20 [ 392.525911] ? filemap_map_pages+0xd92/0x1a20 [ 392.530412] ? find_get_entries_tag+0x1400/0x1400 [ 392.535250] ? debug_object_destroy+0x2b0/0x2b0 [ 392.539917] ? lock_pi_update_atomic+0x150/0x150 [ 392.544673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.550217] ? lock_acquire+0x1ed/0x520 [ 392.554187] ? ext4_filemap_fault+0x7a/0xad [ 392.558598] ? lock_release+0xa00/0xa00 [ 392.562569] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.568019] ? print_usage_bug+0xc0/0xc0 [ 392.572074] ? print_usage_bug+0xc0/0xc0 [ 392.576152] ? down_read+0x8d/0x120 [ 392.579776] ? ext4_filemap_fault+0x7a/0xad [ 392.584091] ? __down_interruptible+0x700/0x700 [ 392.588763] ext4_filemap_fault+0x82/0xad [ 392.592909] __do_fault+0x100/0x6b0 [ 392.596536] ? pmd_devmap_trans_unstable+0x220/0x220 [ 392.601641] ? mark_held_locks+0x130/0x130 [ 392.605877] ? mark_held_locks+0x130/0x130 [ 392.610113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.615645] ? check_preemption_disabled+0x48/0x280 [ 392.620664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.626207] __handle_mm_fault+0x3ea0/0x5be0 [ 392.630618] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 392.635454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.640988] ? __fpu__restore_sig+0x62f/0x1680 [ 392.645759] ? zap_class+0x640/0x640 [ 392.649468] ? zap_class+0x640/0x640 [ 392.653173] ? __x64_sys_futex+0x53e/0x6a0 [ 392.657412] ? find_held_lock+0x36/0x1c0 [ 392.661476] ? handle_mm_fault+0x42a/0xc70 [ 392.665707] ? lock_downgrade+0x900/0x900 [ 392.669853] ? check_preemption_disabled+0x48/0x280 [ 392.674867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.679807] ? kasan_check_read+0x11/0x20 [ 392.683950] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.689225] ? rcu_softirq_qs+0x20/0x20 [ 392.693205] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.698319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.703861] ? check_preemption_disabled+0x48/0x280 [ 392.708883] handle_mm_fault+0x54f/0xc70 [ 392.712942] ? __handle_mm_fault+0x5be0/0x5be0 [ 392.717523] ? find_vma+0x34/0x190 [ 392.721066] __do_page_fault+0x5e8/0xe60 [ 392.725633] ? trace_hardirqs_off+0xb8/0x310 [ 392.730048] ? exit_to_usermode_loop+0x1f4/0x380 [ 392.734816] do_page_fault+0xf2/0x7e0 [ 392.738612] ? vmalloc_sync_all+0x30/0x30 [ 392.742757] ? error_entry+0x70/0xd0 [ 392.746468] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.751476] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.756407] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.761342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.766186] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.771224] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.776674] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.781682] ? page_fault+0x8/0x30 [ 392.785220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.790067] ? page_fault+0x8/0x30 [ 392.793604] page_fault+0x1e/0x30 [ 392.797053] RIP: 0033:0x45ddf3 [ 392.800255] Code: Bad RIP value. [ 392.803700] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 392.809054] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 392.816314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 392.823587] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 392.830851] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 392.838119] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 392.845405] warn_alloc_show_mem: 1 callbacks suppressed [ 392.845415] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 392.845417] Mem-Info: [ 392.845447] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 392.845447] active_file:14 inactive_file:13 isolated_file:0 [ 392.845447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.845447] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 392.845447] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 392.845447] free:13747 free_pcp:512 free_cma:0 [ 392.850774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.850781] Call Trace: [ 392.858143] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.860531] [ 392.893389] 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 [ 392.902752] dump_stack+0x244/0x39d [ 392.905316] lowmem_reserve[]: 0 2818 6321 6321 [ 392.932807] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.934930] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.961042] warn_alloc.cold.116+0xb7/0x1bd [ 392.964627] lowmem_reserve[]: 0 0 3503 3503 [ 392.969208] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.974370] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 393.001687] ? lock_downgrade+0x900/0x900 [ 393.005976] lowmem_reserve[]: 0 0 0 0 [ 393.010292] ? trace_hardirqs_off+0xb8/0x310 [ 393.015108] 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 [ 393.044080] ? trace_hardirqs_off+0xb8/0x310 [ 393.048200] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 393.051993] __alloc_pages_slowpath+0x26e8/0x2e10 [ 393.056370] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 393.069906] ? warn_alloc+0x120/0x120 [ 393.074278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.089517] ? print_usage_bug+0xc0/0xc0 [ 393.094346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.108720] ? warn_alloc+0x120/0x120 [ 393.112495] 165 total pagecache pages [ 393.121404] ? warn_alloc+0x120/0x120 [ 393.125446] 0 pages in swap cache [ 393.134001] ? print_usage_bug+0xc0/0xc0 [ 393.137775] Swap cache stats: add 0, delete 0, find 0/0 [ 393.141577] ? print_usage_bug+0xc0/0xc0 [ 393.145349] Free swap = 0kB [ 393.148788] ? __lock_acquire+0x62f/0x4c20 [ 393.152815] Total swap = 0kB [ 393.152824] 1965979 pages RAM [ 393.158175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.162202] 0 pages HighMem/MovableOnly [ 393.162209] 342855 pages reserved [ 393.165215] ? should_fail+0x22d/0xd01 [ 393.169417] 0 pages cma reserved [ 393.172423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.175557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.181025] ? __lock_acquire+0x62f/0x4c20 [ 393.185048] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.188418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.192277] syz-fuzzer cpuset=/ mems_allowed=0 [ 393.195632] ? __lock_acquire+0x62f/0x4c20 [ 393.195647] ? should_fail+0x22d/0xd01 [ 393.239348] ? find_held_lock+0x36/0x1c0 [ 393.243413] ? mark_held_locks+0x130/0x130 [ 393.247650] ? mark_held_locks+0x130/0x130 [ 393.251877] ? zap_class+0x640/0x640 [ 393.255588] ? zap_class+0x640/0x640 [ 393.259302] ? print_usage_bug+0xc0/0xc0 [ 393.263361] ? do_raw_spin_unlock+0xa7/0x330 [ 393.267780] ? zap_class+0x640/0x640 [ 393.271507] ? print_usage_bug+0xc0/0xc0 [ 393.275566] ? wq_watchdog_touch+0x9c/0xfe [ 393.279797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.285333] ? check_preemption_disabled+0x48/0x280 [ 393.290351] ? __lock_is_held+0xb5/0x140 [ 393.294413] __alloc_pages_nodemask+0xa80/0xde0 [ 393.299077] ? zap_class+0x640/0x640 [ 393.302789] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.307818] ? find_held_lock+0x36/0x1c0 [ 393.311884] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.316546] ? lock_downgrade+0x900/0x900 [ 393.320696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.326230] cache_grow_begin+0xa5/0x8c0 [ 393.330291] ? do_raw_spin_unlock+0xa7/0x330 [ 393.334705] fallback_alloc+0x204/0x2e0 [ 393.338683] ____cache_alloc_node+0x1c7/0x1e0 [ 393.343176] kmem_cache_alloc_node+0xe3/0x730 [ 393.347666] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.351908] __alloc_skb+0x119/0x770 [ 393.355619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.360894] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.365302] ? lock_downgrade+0x900/0x900 [ 393.369457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.374987] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.380436] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.385884] ? addrconf_rs_timer+0x690/0x690 [ 393.390301] ndisc_alloc_skb+0x144/0x340 [ 393.394359] ndisc_send_rs+0x331/0x6e0 [ 393.398251] addrconf_rs_timer+0x314/0x690 [ 393.402496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.406733] call_timer_fn+0x272/0x920 [ 393.410614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.414844] ? process_timeout+0x40/0x40 [ 393.418912] ? __run_timers+0x7da/0xc70 [ 393.422887] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.427382] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.431872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.436105] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.440684] ? trace_hardirqs_on+0xbd/0x310 [ 393.444998] ? kasan_check_read+0x11/0x20 [ 393.449143] ? __run_timers+0x7da/0xc70 [ 393.453113] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.458213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.462448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.466673] __run_timers+0x7e5/0xc70 [ 393.470476] ? timer_fixup_init+0x70/0x70 [ 393.474621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.479634] ? zap_class+0x640/0x640 [ 393.483346] ? enqueue_hrtimer+0x1a5/0x560 [ 393.487582] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.492778] ? find_held_lock+0x36/0x1c0 [ 393.496846] ? zap_class+0x640/0x640 [ 393.500559] ? pvclock_read_flags+0x160/0x160 [ 393.505052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.510583] ? check_preemption_disabled+0x48/0x280 [ 393.515604] ? __lock_is_held+0xb5/0x140 [ 393.519661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.525193] ? check_preemption_disabled+0x48/0x280 [ 393.530207] run_timer_softirq+0x52/0xb0 [ 393.534269] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.539282] __do_softirq+0x308/0xb7e [ 393.543082] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.547571] ? lock_downgrade+0x900/0x900 [ 393.551717] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.556908] ? pvclock_read_flags+0x160/0x160 [ 393.561400] ? lapic_next_event+0x5a/0x90 [ 393.565551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.571087] ? kvm_clock_read+0x18/0x30 [ 393.575055] ? kvm_sched_clock_read+0x9/0x20 [ 393.579462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.584998] ? check_preemption_disabled+0x48/0x280 [ 393.590031] irq_exit+0x17f/0x1c0 [ 393.593481] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.598316] ? smp_reschedule_interrupt+0x109/0x650 [ 393.603328] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.609206] ? interrupt_entry+0xb5/0xc0 [ 393.613270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.618288] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.623305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.628146] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.633158] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.638179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.643025] apic_timer_interrupt+0xf/0x20 [ 393.647261] [ 393.649498] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.654425] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 393.673324] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.681026] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.688288] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 393.695553] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 393.702816] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.710080] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 393.717382] skb_clone+0x1bb/0x500 [ 393.720921] ? finish_task_switch+0x2f4/0x910 [ 393.725413] ? skb_split+0x11e0/0x11e0 [ 393.729296] ? preempt_notifier_register+0x200/0x200 [ 393.734406] ? __switch_to_asm+0x34/0x70 [ 393.738465] ? __switch_to_asm+0x34/0x70 [ 393.742520] ? __switch_to_asm+0x40/0x70 [ 393.746574] ? __switch_to_asm+0x34/0x70 [ 393.750630] ? __switch_to_asm+0x40/0x70 [ 393.754690] ? __switch_to_asm+0x34/0x70 [ 393.758751] ? __switch_to_asm+0x40/0x70 [ 393.762814] ? __switch_to_asm+0x34/0x70 [ 393.766873] ? __switch_to_asm+0x34/0x70 [ 393.770929] ? __switch_to_asm+0x40/0x70 [ 393.774984] ? __switch_to_asm+0x34/0x70 [ 393.779050] bpf_clone_redirect+0xb9/0x490 [ 393.783280] ? __schedule+0x8d7/0x21d0 [ 393.787169] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 393.792182] ? __sched_text_start+0x8/0x8 [ 393.796329] ? retint_kernel+0x2d/0x2d [ 393.800217] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.805154] ? find_held_lock+0x36/0x1c0 [ 393.809217] ? lock_acquire+0x1ed/0x520 [ 393.813198] ? bpf_test_run+0x3cb/0x780 [ 393.817175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.822716] ? check_preemption_disabled+0x48/0x280 [ 393.827734] ? kasan_check_read+0x11/0x20 [ 393.831885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.837160] ? rcu_softirq_qs+0x20/0x20 [ 393.841155] ? preempt_schedule+0x4d/0x60 [ 393.845304] ? ___preempt_schedule+0x16/0x18 [ 393.849717] ? bpf_test_run+0x25d/0x780 [ 393.853694] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.858106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.863639] ? bpf_test_init.isra.10+0x70/0x100 [ 393.868305] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 393.873065] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.877904] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.883435] ? fput+0x130/0x1a0 [ 393.886714] ? __bpf_prog_get+0x9b/0x290 [ 393.890775] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.896169] ? bpf_prog_test_run+0x130/0x1a0 [ 393.900578] ? __x64_sys_bpf+0x3d8/0x520 [ 393.904633] ? bpf_prog_get+0x20/0x20 [ 393.908448] ? do_syscall_64+0x1b9/0x820 [ 393.912510] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.917874] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.922808] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.927823] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.932838] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 393.939509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.944356] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.949733] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 393.949800] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.956738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.956742] Call Trace: [ 393.956755] [ 393.956770] dump_stack+0x244/0x39d [ 393.956786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.956812] warn_alloc.cold.116+0xb7/0x1bd [ 393.963337] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.972620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.975177] syz-executor4 cpuset=syz4 mems_allowed=0 [ 393.977321] ? lock_downgrade+0x900/0x900 [ 394.014895] ? trace_hardirqs_off+0xb8/0x310 [ 394.019304] ? trace_hardirqs_off+0xb8/0x310 [ 394.023713] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.028576] ? warn_alloc+0x120/0x120 [ 394.032372] ? print_usage_bug+0xc0/0xc0 [ 394.036428] ? warn_alloc+0x120/0x120 [ 394.040231] ? warn_alloc+0x120/0x120 [ 394.044030] ? print_usage_bug+0xc0/0xc0 [ 394.048085] ? kvm_clock_read+0x18/0x30 [ 394.052054] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.057065] ? print_usage_bug+0xc0/0xc0 [ 394.061126] ? __lock_acquire+0x62f/0x4c20 [ 394.065359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.070906] ? should_fail+0x22d/0xd01 [ 394.074790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.080064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.085159] ? __lock_acquire+0x62f/0x4c20 [ 394.089394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.094492] ? __lock_acquire+0x62f/0x4c20 [ 394.098719] ? should_fail+0x22d/0xd01 [ 394.102602] ? rcu_irq_exit+0x1a2/0x390 [ 394.106580] ? mark_held_locks+0x130/0x130 [ 394.110811] ? mark_held_locks+0x130/0x130 [ 394.115049] ? mark_held_locks+0xc7/0x130 [ 394.119193] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.124220] ? zap_class+0x640/0x640 [ 394.127936] ? print_usage_bug+0xc0/0xc0 [ 394.132007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.137541] ? check_preemption_disabled+0x48/0x280 [ 394.142565] ? __lock_is_held+0xb5/0x140 [ 394.146626] __alloc_pages_nodemask+0xa80/0xde0 [ 394.151289] ? zap_class+0x640/0x640 [ 394.155003] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.160028] ? find_held_lock+0x36/0x1c0 [ 394.164267] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.168936] ? lock_downgrade+0x900/0x900 [ 394.173084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.178636] cache_grow_begin+0xa5/0x8c0 [ 394.182711] ? do_raw_spin_unlock+0xa7/0x330 [ 394.187121] fallback_alloc+0x204/0x2e0 [ 394.191096] ____cache_alloc_node+0x1c7/0x1e0 [ 394.195591] kmem_cache_alloc_node+0xe3/0x730 [ 394.200086] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.204326] __alloc_skb+0x119/0x770 [ 394.208033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.213318] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.217742] ? lock_downgrade+0x900/0x900 [ 394.221891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.227422] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.232896] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.238341] ? addrconf_rs_timer+0x690/0x690 [ 394.242753] ndisc_alloc_skb+0x144/0x340 [ 394.246818] ndisc_send_rs+0x331/0x6e0 [ 394.250709] addrconf_rs_timer+0x314/0x690 [ 394.254941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.259182] call_timer_fn+0x272/0x920 [ 394.263078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.267320] ? process_timeout+0x40/0x40 [ 394.271383] ? mark_held_locks+0xc7/0x130 [ 394.275535] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.280026] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.284517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.288745] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.293321] ? trace_hardirqs_on+0xbd/0x310 [ 394.297637] ? kasan_check_read+0x11/0x20 [ 394.301776] ? __run_timers+0x7da/0xc70 [ 394.305745] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.310850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.315085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.319314] __run_timers+0x7e5/0xc70 [ 394.323120] ? timer_fixup_init+0x70/0x70 [ 394.327267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.332278] ? zap_class+0x640/0x640 [ 394.335989] ? print_usage_bug+0xc0/0xc0 [ 394.340045] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.345241] ? find_held_lock+0x36/0x1c0 [ 394.349302] ? zap_class+0x640/0x640 [ 394.353018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.358549] ? check_preemption_disabled+0x48/0x280 [ 394.363577] ? __lock_is_held+0xb5/0x140 [ 394.367637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.373168] ? check_preemption_disabled+0x48/0x280 [ 394.378198] run_timer_softirq+0x52/0xb0 [ 394.382264] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.387277] __do_softirq+0x308/0xb7e [ 394.391080] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 394.395573] ? lock_downgrade+0x900/0x900 [ 394.399718] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.404823] ? pvclock_read_flags+0x160/0x160 [ 394.409326] ? lapic_next_event+0x5a/0x90 [ 394.413474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.419015] ? kvm_clock_read+0x18/0x30 [ 394.422987] ? kvm_sched_clock_read+0x9/0x20 [ 394.427397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.432929] ? check_preemption_disabled+0x48/0x280 [ 394.437952] irq_exit+0x17f/0x1c0 [ 394.441402] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.446238] ? smp_reschedule_interrupt+0x109/0x650 [ 394.451249] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.457129] ? interrupt_entry+0xb5/0xc0 [ 394.461199] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.466214] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.471228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.476064] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.481073] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.486084] ? task_prio+0x50/0x50 [ 394.489622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.495155] ? check_preemption_disabled+0x48/0x280 [ 394.500187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.505037] apic_timer_interrupt+0xf/0x20 [ 394.509259] [ 394.511494] RIP: 0010:dump_stack+0x358/0x39d [ 394.515912] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 394.534805] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.542510] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 394.549774] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 394.557035] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 394.564301] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 394.571562] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 394.578844] ? dump_stack+0x34f/0x39d [ 394.582656] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.587861] ? mark_held_locks+0x130/0x130 [ 394.592193] ? mark_held_locks+0x130/0x130 [ 394.596426] dump_header+0x27b/0xf72 [ 394.600145] ? pagefault_out_of_memory+0x197/0x197 [ 394.605086] ? __lock_acquire+0x62f/0x4c20 [ 394.609316] ? percpu_ref_get_many+0x240/0x240 [ 394.613897] ? print_usage_bug+0xc0/0xc0 [ 394.617962] ? zap_class+0x640/0x640 [ 394.621677] ? print_usage_bug+0xc0/0xc0 [ 394.625733] ? print_usage_bug+0xc0/0xc0 [ 394.629790] ? zap_class+0x640/0x640 [ 394.633504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.639041] ? find_held_lock+0x36/0x1c0 [ 394.643109] ? mark_held_locks+0xc7/0x130 [ 394.647256] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.652362] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.657466] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.662043] ? trace_hardirqs_on+0xbd/0x310 [ 394.666367] ? kasan_check_read+0x11/0x20 [ 394.670511] ? ___ratelimit+0x3b4/0x672 [ 394.674484] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.679583] ? trace_hardirqs_on+0x310/0x310 [ 394.684076] ? lock_downgrade+0x900/0x900 [ 394.688314] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.693414] ? ___ratelimit+0x3b9/0x672 [ 394.697383] ? idr_get_free+0xf70/0xf70 [ 394.701354] ? find_held_lock+0x36/0x1c0 [ 394.705435] oom_kill_process.cold.27+0x10/0x903 [ 394.710191] ? zap_class+0x640/0x640 [ 394.713908] ? check_preemption_disabled+0x48/0x280 [ 394.718925] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.724245] ? kasan_check_read+0x11/0x20 [ 394.728396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.733673] ? oom_evaluate_task+0x540/0x540 [ 394.738093] ? find_held_lock+0x36/0x1c0 [ 394.742162] ? out_of_memory+0x974/0x1430 [ 394.746311] ? lock_downgrade+0x900/0x900 [ 394.750454] ? check_preemption_disabled+0x48/0x280 [ 394.755472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.760395] ? kasan_check_read+0x11/0x20 [ 394.764536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.769809] ? rcu_softirq_qs+0x20/0x20 [ 394.773781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.779309] ? oom_evaluate_task+0x302/0x540 [ 394.783715] out_of_memory+0xa84/0x1430 [ 394.787695] ? oom_killer_disable+0x3a0/0x3a0 [ 394.792190] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 394.797467] ? __ww_mutex_check_waiters+0x160/0x160 [ 394.802493] __alloc_pages_slowpath+0x2354/0x2e10 [ 394.807358] ? warn_alloc+0x120/0x120 [ 394.811159] ? mark_held_locks+0x130/0x130 [ 394.815402] ? find_get_entry+0xaae/0x1120 [ 394.819638] ? filemap_map_pages+0x1a20/0x1a20 [ 394.824225] ? zap_class+0x640/0x640 [ 394.827938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.833477] ? check_preemption_disabled+0x48/0x280 [ 394.838501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.844036] ? should_fail+0x22d/0xd01 [ 394.847924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.853024] ? zap_class+0x640/0x640 [ 394.856757] ? __lock_is_held+0xb5/0x140 [ 394.860821] ? mark_held_locks+0x130/0x130 [ 394.865879] ? lock_release+0xa00/0xa00 [ 394.869852] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.875301] ? xa_load+0x2ba/0x460 [ 394.878839] ? lock_downgrade+0x900/0x900 [ 394.882986] ? __might_sleep+0x95/0x190 [ 394.886962] __alloc_pages_nodemask+0xa80/0xde0 [ 394.891635] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.896645] ? __page_cache_alloc+0x191/0x5c0 [ 394.901139] ? xa_load+0x2e1/0x460 [ 394.904680] ? xa_clear_mark+0x40/0x40 [ 394.908567] ? zap_class+0x640/0x640 [ 394.912287] ? zap_class+0x640/0x640 [ 394.915994] ? zap_class+0x640/0x640 [ 394.919704] ? __do_page_cache_readahead+0x663/0x810 [ 394.924806] ? find_held_lock+0x36/0x1c0 [ 394.928878] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.934429] alloc_pages_current+0x173/0x350 [ 394.938844] __page_cache_alloc+0x38c/0x5c0 [ 394.943170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.948095] ? kasan_check_read+0x11/0x20 [ 394.952246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.957521] ? generic_perform_write+0x6a0/0x6a0 [ 394.962278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.967988] ? check_preemption_disabled+0x48/0x280 [ 394.973011] filemap_fault+0x1595/0x25f0 [ 394.977083] ? __lock_page_or_retry+0xa00/0xa00 [ 394.981753] ? mark_held_locks+0x130/0x130 [ 394.985992] ? filemap_map_pages+0xd6b/0x1a20 [ 394.990486] ? lock_downgrade+0x900/0x900 [ 394.994635] ? check_preemption_disabled+0x48/0x280 [ 394.999648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.004572] ? kasan_check_read+0x11/0x20 [ 395.008717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.013988] ? rcu_softirq_qs+0x20/0x20 [ 395.017979] ? filemap_map_pages+0xd92/0x1a20 [ 395.022483] ? find_get_entries_tag+0x1400/0x1400 [ 395.027329] ? debug_object_destroy+0x2b0/0x2b0 [ 395.032001] ? lock_pi_update_atomic+0x150/0x150 [ 395.036752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.042298] ? lock_acquire+0x1ed/0x520 [ 395.046267] ? ext4_filemap_fault+0x7a/0xad [ 395.050594] ? lock_release+0xa00/0xa00 [ 395.054563] ? perf_trace_sched_process_exec+0x860/0x860 [ 395.060013] ? print_usage_bug+0xc0/0xc0 [ 395.064083] ? print_usage_bug+0xc0/0xc0 [ 395.068166] ? down_read+0x8d/0x120 [ 395.071784] ? ext4_filemap_fault+0x7a/0xad [ 395.076103] ? __down_interruptible+0x700/0x700 [ 395.080783] ext4_filemap_fault+0x82/0xad [ 395.084927] __do_fault+0x100/0x6b0 [ 395.088555] ? pmd_devmap_trans_unstable+0x220/0x220 [ 395.093653] ? mark_held_locks+0x130/0x130 [ 395.097887] ? mark_held_locks+0x130/0x130 [ 395.102206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.107741] ? check_preemption_disabled+0x48/0x280 [ 395.112756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.118290] __handle_mm_fault+0x3ea0/0x5be0 [ 395.122706] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 395.127726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.133256] ? __fpu__restore_sig+0x62f/0x1680 [ 395.137853] ? zap_class+0x640/0x640 [ 395.141569] ? zap_class+0x640/0x640 [ 395.145280] ? __x64_sys_futex+0x53e/0x6a0 [ 395.149520] ? find_held_lock+0x36/0x1c0 [ 395.153583] ? handle_mm_fault+0x42a/0xc70 [ 395.157817] ? lock_downgrade+0x900/0x900 [ 395.161961] ? check_preemption_disabled+0x48/0x280 [ 395.166975] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.171900] ? kasan_check_read+0x11/0x20 [ 395.176041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.181309] ? rcu_softirq_qs+0x20/0x20 [ 395.185278] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.190376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.195912] ? check_preemption_disabled+0x48/0x280 [ 395.200935] handle_mm_fault+0x54f/0xc70 [ 395.204997] ? __handle_mm_fault+0x5be0/0x5be0 [ 395.209581] ? find_vma+0x34/0x190 [ 395.213133] __do_page_fault+0x5e8/0xe60 [ 395.217189] ? trace_hardirqs_off+0xb8/0x310 [ 395.221603] ? exit_to_usermode_loop+0x1f4/0x380 [ 395.226376] do_page_fault+0xf2/0x7e0 [ 395.230172] ? vmalloc_sync_all+0x30/0x30 [ 395.234313] ? error_entry+0x70/0xd0 [ 395.238022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.243037] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.247965] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.252888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.257726] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.262738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.268191] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.273200] ? page_fault+0x8/0x30 [ 395.276740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.281594] ? page_fault+0x8/0x30 [ 395.285134] page_fault+0x1e/0x30 [ 395.288580] RIP: 0033:0x45ddf3 [ 395.291787] Code: Bad RIP value. [ 395.295144] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 395.300505] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 395.307767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 395.315028] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 395.322290] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 395.329552] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 395.336837] warn_alloc_show_mem: 1 callbacks suppressed [ 395.336847] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 395.336849] Mem-Info: [ 395.336880] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 395.336880] active_file:14 inactive_file:13 isolated_file:0 [ 395.336880] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.336880] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 395.336880] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 395.336880] free:13747 free_pcp:512 free_cma:0 [ 395.342204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.342211] Call Trace: [ 395.349569] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.351960] [ 395.384819] 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 [ 395.394170] dump_stack+0x244/0x39d [ 395.396723] lowmem_reserve[]: 0 2818 6321 6321 [ 395.424209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.426328] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 395.452433] warn_alloc.cold.116+0xb7/0x1bd [ 395.456025] lowmem_reserve[]: 0 0 3503 3503 [ 395.460596] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.465758] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 395.493172] ? lock_downgrade+0x900/0x900 [ 395.497464] lowmem_reserve[]: 0 0 0 0 [ 395.501783] ? trace_hardirqs_off+0xb8/0x310 [ 395.506597] 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 [ 395.535568] ? trace_hardirqs_off+0xb8/0x310 [ 395.539683] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 395.543487] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.547868] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 395.561410] ? warn_alloc+0x120/0x120 [ 395.565776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.581016] ? print_usage_bug+0xc0/0xc0 [ 395.585837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.600215] ? warn_alloc+0x120/0x120 [ 395.603987] 165 total pagecache pages [ 395.612810] ? warn_alloc+0x120/0x120 [ 395.616864] 0 pages in swap cache [ 395.625420] ? print_usage_bug+0xc0/0xc0 [ 395.629199] Swap cache stats: add 0, delete 0, find 0/0 [ 395.632981] ? kvm_clock_read+0x18/0x30 [ 395.636775] Free swap = 0kB [ 395.640216] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.644241] Total swap = 0kB [ 395.644248] 1965979 pages RAM [ 395.649618] ? print_usage_bug+0xc0/0xc0 [ 395.653557] 0 pages HighMem/MovableOnly [ 395.653565] 342855 pages reserved [ 395.656580] ? __lock_acquire+0x62f/0x4c20 [ 395.661570] 0 pages cma reserved [ 395.661637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.664598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.664616] ? should_fail+0x22d/0xd01 [ 395.667740] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.671735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.675714] syz-fuzzer cpuset=/ mems_allowed=0 [ 395.679156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.727715] ? __lock_acquire+0x62f/0x4c20 [ 395.731950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.737045] ? __lock_acquire+0x62f/0x4c20 [ 395.741279] ? should_fail+0x22d/0xd01 [ 395.745164] ? rcu_irq_exit+0x1a2/0x390 [ 395.749143] ? mark_held_locks+0x130/0x130 [ 395.753380] ? mark_held_locks+0x130/0x130 [ 395.757615] ? mark_held_locks+0xc7/0x130 [ 395.761756] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.766776] ? zap_class+0x640/0x640 [ 395.770490] ? print_usage_bug+0xc0/0xc0 [ 395.774550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.780086] ? check_preemption_disabled+0x48/0x280 [ 395.785109] ? __lock_is_held+0xb5/0x140 [ 395.789174] __alloc_pages_nodemask+0xa80/0xde0 [ 395.793841] ? zap_class+0x640/0x640 [ 395.797555] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.802582] ? find_held_lock+0x36/0x1c0 [ 395.806647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.811314] ? lock_downgrade+0x900/0x900 [ 395.815475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.821011] cache_grow_begin+0xa5/0x8c0 [ 395.825070] ? do_raw_spin_unlock+0xa7/0x330 [ 395.829480] fallback_alloc+0x204/0x2e0 [ 395.833453] ____cache_alloc_node+0x1c7/0x1e0 [ 395.837947] kmem_cache_alloc_node+0xe3/0x730 [ 395.842441] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.846685] __alloc_skb+0x119/0x770 [ 395.850394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.855669] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.860422] ? lock_downgrade+0x900/0x900 [ 395.864578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.870110] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.875562] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.881009] ? addrconf_rs_timer+0x690/0x690 [ 395.885428] ndisc_alloc_skb+0x144/0x340 [ 395.889486] ndisc_send_rs+0x331/0x6e0 [ 395.893924] addrconf_rs_timer+0x314/0x690 [ 395.898164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.902411] call_timer_fn+0x272/0x920 [ 395.906293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.910531] ? process_timeout+0x40/0x40 [ 395.914594] ? __run_timers+0x7da/0xc70 [ 395.918571] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.923068] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.927559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.931792] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.936368] ? trace_hardirqs_on+0xbd/0x310 [ 395.940687] ? kasan_check_read+0x11/0x20 [ 395.944827] ? __run_timers+0x7da/0xc70 [ 395.948801] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.953914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.958150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.962376] __run_timers+0x7e5/0xc70 [ 395.966184] ? timer_fixup_init+0x70/0x70 [ 395.970331] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.975444] ? zap_class+0x640/0x640 [ 395.979158] ? enqueue_hrtimer+0x1a5/0x560 [ 395.983396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.988593] ? find_held_lock+0x36/0x1c0 [ 395.992657] ? zap_class+0x640/0x640 [ 395.996369] ? pvclock_read_flags+0x160/0x160 [ 396.000860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.006395] ? check_preemption_disabled+0x48/0x280 [ 396.011425] ? __lock_is_held+0xb5/0x140 [ 396.015485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.021021] ? check_preemption_disabled+0x48/0x280 [ 396.026056] run_timer_softirq+0x52/0xb0 [ 396.030114] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.035139] __do_softirq+0x308/0xb7e [ 396.038940] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.043434] ? lock_downgrade+0x900/0x900 [ 396.047581] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.052685] ? pvclock_read_flags+0x160/0x160 [ 396.057179] ? lapic_next_event+0x5a/0x90 [ 396.061324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.066862] ? kvm_clock_read+0x18/0x30 [ 396.070830] ? kvm_sched_clock_read+0x9/0x20 [ 396.075237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.080774] ? check_preemption_disabled+0x48/0x280 [ 396.085792] irq_exit+0x17f/0x1c0 [ 396.089240] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.094077] ? smp_reschedule_interrupt+0x109/0x650 [ 396.099087] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.104968] ? interrupt_entry+0xb5/0xc0 [ 396.109032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.114052] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.119066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.123905] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.128917] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.133942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.138788] apic_timer_interrupt+0xf/0x20 [ 396.143009] [ 396.145257] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.150184] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 396.169078] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.176779] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.184372] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 396.191633] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 396.198894] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.206156] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 396.213460] skb_clone+0x1bb/0x500 [ 396.216996] ? finish_task_switch+0x2f4/0x910 [ 396.221493] ? skb_split+0x11e0/0x11e0 [ 396.225377] ? preempt_notifier_register+0x200/0x200 [ 396.230477] ? __switch_to_asm+0x34/0x70 [ 396.234531] ? __switch_to_asm+0x34/0x70 [ 396.238589] ? __switch_to_asm+0x40/0x70 [ 396.242644] ? __switch_to_asm+0x34/0x70 [ 396.246699] ? __switch_to_asm+0x40/0x70 [ 396.250753] ? __switch_to_asm+0x34/0x70 [ 396.254808] ? __switch_to_asm+0x40/0x70 [ 396.258861] ? __switch_to_asm+0x34/0x70 [ 396.262917] ? __switch_to_asm+0x34/0x70 [ 396.266972] ? __switch_to_asm+0x40/0x70 [ 396.271035] ? __switch_to_asm+0x34/0x70 [ 396.275097] bpf_clone_redirect+0xb9/0x490 [ 396.279328] ? __schedule+0x8d7/0x21d0 [ 396.283215] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 396.288233] ? __sched_text_start+0x8/0x8 [ 396.292381] ? retint_kernel+0x2d/0x2d [ 396.296263] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.301193] ? find_held_lock+0x36/0x1c0 [ 396.305260] ? lock_acquire+0x1ed/0x520 [ 396.309228] ? bpf_test_run+0x3cb/0x780 [ 396.313197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.318730] ? check_preemption_disabled+0x48/0x280 [ 396.323746] ? kasan_check_read+0x11/0x20 [ 396.327890] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.333160] ? rcu_softirq_qs+0x20/0x20 [ 396.337133] ? preempt_schedule+0x4d/0x60 [ 396.341277] ? ___preempt_schedule+0x16/0x18 [ 396.345691] ? bpf_test_run+0x25d/0x780 [ 396.349670] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.354089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.359623] ? bpf_test_init.isra.10+0x70/0x100 [ 396.364295] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 396.369060] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.373900] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.379433] ? fput+0x130/0x1a0 [ 396.382728] ? __bpf_prog_get+0x9b/0x290 [ 396.386786] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.391621] ? bpf_prog_test_run+0x130/0x1a0 [ 396.396025] ? __x64_sys_bpf+0x3d8/0x520 [ 396.400080] ? bpf_prog_get+0x20/0x20 [ 396.403896] ? do_syscall_64+0x1b9/0x820 [ 396.407951] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.413316] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.418252] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.423265] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.428279] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 396.434950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.439815] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.445196] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 396.445263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.452204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.452211] Call Trace: [ 396.458772] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.468027] [ 396.470589] syz-executor4 cpuset=syz4 mems_allowed=0 [ 396.481066] dump_stack+0x244/0x39d [ 396.491887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.497083] warn_alloc.cold.116+0xb7/0x1bd [ 396.501401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.506241] ? lock_downgrade+0x900/0x900 [ 396.510390] ? trace_hardirqs_off+0xb8/0x310 [ 396.514806] ? trace_hardirqs_off+0xb8/0x310 [ 396.519221] __alloc_pages_slowpath+0x26e8/0x2e10 [ 396.524083] ? warn_alloc+0x120/0x120 [ 396.527883] ? print_usage_bug+0xc0/0xc0 [ 396.531939] ? warn_alloc+0x120/0x120 [ 396.535737] ? warn_alloc+0x120/0x120 [ 396.539532] ? print_usage_bug+0xc0/0xc0 [ 396.543594] ? print_usage_bug+0xc0/0xc0 [ 396.547654] ? __lock_acquire+0x62f/0x4c20 [ 396.551893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.557429] ? should_fail+0x22d/0xd01 [ 396.561314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.566426] ? __lock_acquire+0x62f/0x4c20 [ 396.570662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.575757] ? __lock_acquire+0x62f/0x4c20 [ 396.579995] ? should_fail+0x22d/0xd01 [ 396.583896] ? find_held_lock+0x36/0x1c0 [ 396.587959] ? mark_held_locks+0x130/0x130 [ 396.592206] ? mark_held_locks+0x130/0x130 [ 396.596431] ? zap_class+0x640/0x640 [ 396.600138] ? zap_class+0x640/0x640 [ 396.603850] ? print_usage_bug+0xc0/0xc0 [ 396.607905] ? do_raw_spin_unlock+0xa7/0x330 [ 396.612311] ? zap_class+0x640/0x640 [ 396.616022] ? print_usage_bug+0xc0/0xc0 [ 396.620080] ? wq_watchdog_touch+0x9c/0xfe [ 396.624314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.629846] ? check_preemption_disabled+0x48/0x280 [ 396.634863] ? __lock_is_held+0xb5/0x140 [ 396.638926] __alloc_pages_nodemask+0xa80/0xde0 [ 396.643589] ? zap_class+0x640/0x640 [ 396.647302] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.652328] ? find_held_lock+0x36/0x1c0 [ 396.656392] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.661067] ? lock_downgrade+0x900/0x900 [ 396.665219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.670754] cache_grow_begin+0xa5/0x8c0 [ 396.674820] ? do_raw_spin_unlock+0xa7/0x330 [ 396.679316] fallback_alloc+0x204/0x2e0 [ 396.683291] ____cache_alloc_node+0x1c7/0x1e0 [ 396.687786] kmem_cache_alloc_node+0xe3/0x730 [ 396.692278] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.696522] __alloc_skb+0x119/0x770 [ 396.700230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.705504] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.709908] ? lock_downgrade+0x900/0x900 [ 396.714061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.719684] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.726641] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.732091] ? addrconf_rs_timer+0x690/0x690 [ 396.736507] ndisc_alloc_skb+0x144/0x340 [ 396.740571] ndisc_send_rs+0x331/0x6e0 [ 396.744458] addrconf_rs_timer+0x314/0x690 [ 396.748693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.752932] call_timer_fn+0x272/0x920 [ 396.756817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.761048] ? process_timeout+0x40/0x40 [ 396.765112] ? mark_held_locks+0xc7/0x130 [ 396.769258] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.773751] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.778237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.782466] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.787044] ? trace_hardirqs_on+0xbd/0x310 [ 396.791358] ? kasan_check_read+0x11/0x20 [ 396.795500] ? __run_timers+0x7da/0xc70 [ 396.799468] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.804571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.808810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.813036] __run_timers+0x7e5/0xc70 [ 396.816843] ? timer_fixup_init+0x70/0x70 [ 396.820998] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.826015] ? zap_class+0x640/0x640 [ 396.829998] ? print_usage_bug+0xc0/0xc0 [ 396.834057] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.839249] ? find_held_lock+0x36/0x1c0 [ 396.843314] ? zap_class+0x640/0x640 [ 396.847026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.852646] ? check_preemption_disabled+0x48/0x280 [ 396.857670] ? __lock_is_held+0xb5/0x140 [ 396.861739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.867274] ? check_preemption_disabled+0x48/0x280 [ 396.872298] run_timer_softirq+0x52/0xb0 [ 396.876369] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.881381] __do_softirq+0x308/0xb7e [ 396.885181] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.889671] ? lock_downgrade+0x900/0x900 [ 396.893818] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.898923] ? pvclock_read_flags+0x160/0x160 [ 396.903421] ? lapic_next_event+0x5a/0x90 [ 396.907570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.913105] ? kvm_clock_read+0x18/0x30 [ 396.917076] ? kvm_sched_clock_read+0x9/0x20 [ 396.921481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.927016] ? check_preemption_disabled+0x48/0x280 [ 396.932033] irq_exit+0x17f/0x1c0 [ 396.935481] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.940320] ? smp_reschedule_interrupt+0x109/0x650 [ 396.945418] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.951324] ? interrupt_entry+0xb5/0xc0 [ 396.955383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.960391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.965400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.970236] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.975248] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.980261] ? task_prio+0x50/0x50 [ 396.983799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.989334] ? check_preemption_disabled+0x48/0x280 [ 396.994353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.999196] apic_timer_interrupt+0xf/0x20 [ 397.003423] [ 397.005681] RIP: 0010:dump_stack+0x358/0x39d [ 397.010083] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 397.028982] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 397.036685] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 397.043955] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 397.051223] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 397.058490] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 397.065751] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 397.073028] ? dump_stack+0x34f/0x39d [ 397.076835] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.082026] ? mark_held_locks+0x130/0x130 [ 397.086254] ? mark_held_locks+0x130/0x130 [ 397.090491] dump_header+0x27b/0xf72 [ 397.094211] ? pagefault_out_of_memory+0x197/0x197 [ 397.099143] ? __lock_acquire+0x62f/0x4c20 [ 397.103379] ? percpu_ref_get_many+0x240/0x240 [ 397.107965] ? print_usage_bug+0xc0/0xc0 [ 397.112030] ? zap_class+0x640/0x640 [ 397.115740] ? print_usage_bug+0xc0/0xc0 [ 397.119795] ? print_usage_bug+0xc0/0xc0 [ 397.123855] ? zap_class+0x640/0x640 [ 397.127569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.133107] ? find_held_lock+0x36/0x1c0 [ 397.137172] ? mark_held_locks+0xc7/0x130 [ 397.141318] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.146418] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.151522] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.156100] ? trace_hardirqs_on+0xbd/0x310 [ 397.160419] ? kasan_check_read+0x11/0x20 [ 397.164563] ? ___ratelimit+0x3b4/0x672 [ 397.168531] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.173630] ? trace_hardirqs_on+0x310/0x310 [ 397.178046] ? lock_downgrade+0x900/0x900 [ 397.182215] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.187314] ? ___ratelimit+0x3b9/0x672 [ 397.191286] ? idr_get_free+0xf70/0xf70 [ 397.195352] ? find_held_lock+0x36/0x1c0 [ 397.199417] oom_kill_process.cold.27+0x10/0x903 [ 397.204169] ? zap_class+0x640/0x640 [ 397.207881] ? check_preemption_disabled+0x48/0x280 [ 397.212896] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.217826] ? kasan_check_read+0x11/0x20 [ 397.221977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.227252] ? oom_evaluate_task+0x540/0x540 [ 397.231659] ? find_held_lock+0x36/0x1c0 [ 397.235723] ? out_of_memory+0x974/0x1430 [ 397.239866] ? lock_downgrade+0x900/0x900 [ 397.244095] ? check_preemption_disabled+0x48/0x280 [ 397.249107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.254031] ? kasan_check_read+0x11/0x20 [ 397.258174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.263444] ? rcu_softirq_qs+0x20/0x20 [ 397.267433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.272964] ? oom_evaluate_task+0x302/0x540 [ 397.277371] out_of_memory+0xa84/0x1430 [ 397.281351] ? oom_killer_disable+0x3a0/0x3a0 [ 397.285839] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 397.290765] ? __ww_mutex_check_waiters+0x160/0x160 [ 397.295787] __alloc_pages_slowpath+0x2354/0x2e10 [ 397.300651] ? warn_alloc+0x120/0x120 [ 397.304445] ? mark_held_locks+0x130/0x130 [ 397.308683] ? find_get_entry+0xaae/0x1120 [ 397.312945] ? filemap_map_pages+0x1a20/0x1a20 [ 397.317529] ? zap_class+0x640/0x640 [ 397.321244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.326779] ? check_preemption_disabled+0x48/0x280 [ 397.331788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.337322] ? should_fail+0x22d/0xd01 [ 397.341209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.346312] ? zap_class+0x640/0x640 [ 397.350043] ? __lock_is_held+0xb5/0x140 [ 397.354123] ? mark_held_locks+0x130/0x130 [ 397.358372] ? lock_release+0xa00/0xa00 [ 397.362340] ? perf_trace_sched_process_exec+0x860/0x860 [ 397.367783] ? xa_load+0x2ba/0x460 [ 397.371328] ? lock_downgrade+0x900/0x900 [ 397.375478] ? __might_sleep+0x95/0x190 [ 397.379451] __alloc_pages_nodemask+0xa80/0xde0 [ 397.384122] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.389137] ? __page_cache_alloc+0x191/0x5c0 [ 397.393628] ? xa_load+0x2e1/0x460 [ 397.397162] ? xa_clear_mark+0x40/0x40 [ 397.401051] ? zap_class+0x640/0x640 [ 397.404764] ? zap_class+0x640/0x640 [ 397.408470] ? zap_class+0x640/0x640 [ 397.412182] ? __do_page_cache_readahead+0x663/0x810 [ 397.417284] ? find_held_lock+0x36/0x1c0 [ 397.421344] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 397.426880] alloc_pages_current+0x173/0x350 [ 397.431293] __page_cache_alloc+0x38c/0x5c0 [ 397.435609] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.440530] ? kasan_check_read+0x11/0x20 [ 397.444670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.449951] ? generic_perform_write+0x6a0/0x6a0 [ 397.454701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.460238] ? check_preemption_disabled+0x48/0x280 [ 397.465267] filemap_fault+0x1595/0x25f0 [ 397.469335] ? __lock_page_or_retry+0xa00/0xa00 [ 397.474008] ? mark_held_locks+0x130/0x130 [ 397.478245] ? filemap_map_pages+0xd6b/0x1a20 [ 397.482741] ? lock_downgrade+0x900/0x900 [ 397.486889] ? check_preemption_disabled+0x48/0x280 [ 397.491928] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.496852] ? kasan_check_read+0x11/0x20 [ 397.500997] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.506271] ? rcu_softirq_qs+0x20/0x20 [ 397.510256] ? filemap_map_pages+0xd92/0x1a20 [ 397.514757] ? find_get_entries_tag+0x1400/0x1400 [ 397.519599] ? debug_object_destroy+0x2b0/0x2b0 [ 397.524267] ? lock_pi_update_atomic+0x150/0x150 [ 397.529023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.534569] ? lock_acquire+0x1ed/0x520 [ 397.538538] ? ext4_filemap_fault+0x7a/0xad [ 397.542859] ? lock_release+0xa00/0xa00 [ 397.546833] ? perf_trace_sched_process_exec+0x860/0x860 [ 397.552281] ? print_usage_bug+0xc0/0xc0 [ 397.556342] ? print_usage_bug+0xc0/0xc0 [ 397.560407] ? down_read+0x8d/0x120 [ 397.564029] ? ext4_filemap_fault+0x7a/0xad [ 397.568344] ? __down_interruptible+0x700/0x700 [ 397.573025] ext4_filemap_fault+0x82/0xad [ 397.577169] __do_fault+0x100/0x6b0 [ 397.580794] ? pmd_devmap_trans_unstable+0x220/0x220 [ 397.585903] ? mark_held_locks+0x130/0x130 [ 397.590141] ? mark_held_locks+0x130/0x130 [ 397.594373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.599917] ? check_preemption_disabled+0x48/0x280 [ 397.604945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.610485] __handle_mm_fault+0x3ea0/0x5be0 [ 397.614913] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 397.619767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.625297] ? __fpu__restore_sig+0x62f/0x1680 [ 397.629899] ? zap_class+0x640/0x640 [ 397.633615] ? zap_class+0x640/0x640 [ 397.637323] ? __x64_sys_futex+0x53e/0x6a0 [ 397.641568] ? find_held_lock+0x36/0x1c0 [ 397.645635] ? handle_mm_fault+0x42a/0xc70 [ 397.649864] ? lock_downgrade+0x900/0x900 [ 397.654013] ? check_preemption_disabled+0x48/0x280 [ 397.659029] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.663953] ? kasan_check_read+0x11/0x20 [ 397.668102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.673373] ? rcu_softirq_qs+0x20/0x20 [ 397.677341] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.682440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.687974] ? check_preemption_disabled+0x48/0x280 [ 397.692990] handle_mm_fault+0x54f/0xc70 [ 397.697053] ? __handle_mm_fault+0x5be0/0x5be0 [ 397.701641] ? find_vma+0x34/0x190 [ 397.705182] __do_page_fault+0x5e8/0xe60 [ 397.709250] ? trace_hardirqs_off+0xb8/0x310 [ 397.713658] ? exit_to_usermode_loop+0x1f4/0x380 [ 397.718415] do_page_fault+0xf2/0x7e0 [ 397.722220] ? vmalloc_sync_all+0x30/0x30 [ 397.726362] ? error_entry+0x70/0xd0 [ 397.730071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.735083] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.740007] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.744930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.749767] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.754778] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.760230] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.765237] ? page_fault+0x8/0x30 [ 397.768777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.773620] ? page_fault+0x8/0x30 [ 397.777154] page_fault+0x1e/0x30 [ 397.780602] RIP: 0033:0x45ddf3 [ 397.783799] Code: Bad RIP value. [ 397.787152] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 397.792506] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 397.799789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 397.807059] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 397.814323] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 397.821593] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 397.828895] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 397.828900] warn_alloc_show_mem: 1 callbacks suppressed [ 397.828906] Mem-Info: [ 397.836267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.841628] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 397.841628] active_file:14 inactive_file:13 isolated_file:0 [ 397.841628] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.841628] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 397.841628] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 397.841628] free:13747 free_pcp:512 free_cma:0 [ 397.844000] Call Trace: [ 397.853375] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.886218] [ 397.888781] 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 [ 397.916705] dump_stack+0x244/0x39d [ 397.918826] lowmem_reserve[]: 0 2818 6321 6321 [ 397.944929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.948523] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 397.953106] warn_alloc.cold.116+0xb7/0x1bd [ 397.958257] lowmem_reserve[]: 0 0 3503 3503 [ 397.985660] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.989951] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 397.994264] ? lock_downgrade+0x900/0x900 [ 397.999071] lowmem_reserve[]: 0 0 0 0 [ 398.028046] ? trace_hardirqs_off+0xb8/0x310 [ 398.032159] 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 [ 398.035954] ? trace_hardirqs_off+0xb8/0x310 [ 398.040328] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 398.053862] __alloc_pages_slowpath+0x26e8/0x2e10 [ 398.058244] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 398.073519] ? warn_alloc+0x120/0x120 [ 398.078327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.092700] ? print_usage_bug+0xc0/0xc0 [ 398.096478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.105292] ? warn_alloc+0x120/0x120 [ 398.109326] 165 total pagecache pages [ 398.117891] ? warn_alloc+0x120/0x120 [ 398.121672] 0 pages in swap cache [ 398.125453] ? print_usage_bug+0xc0/0xc0 [ 398.129226] Swap cache stats: add 0, delete 0, find 0/0 [ 398.132752] ? kvm_clock_read+0x18/0x30 [ 398.136784] Free swap = 0kB [ 398.142136] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.146077] Total swap = 0kB [ 398.146084] 1965979 pages RAM [ 398.149089] ? print_usage_bug+0xc0/0xc0 [ 398.154069] 0 pages HighMem/MovableOnly [ 398.154076] 342855 pages reserved [ 398.157082] ? __lock_acquire+0x62f/0x4c20 [ 398.160159] 0 pages cma reserved [ 398.164210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.168207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.171599] ? should_fail+0x22d/0xd01 [ 398.175896] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.179157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.179174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.184690] syz-fuzzer cpuset=/ mems_allowed=0 [ 398.191172] ? __lock_acquire+0x62f/0x4c20 [ 398.224380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.229481] ? __lock_acquire+0x62f/0x4c20 [ 398.233795] ? should_fail+0x22d/0xd01 [ 398.237683] ? rcu_irq_exit+0x1a2/0x390 [ 398.241660] ? mark_held_locks+0x130/0x130 [ 398.245895] ? mark_held_locks+0x130/0x130 [ 398.250129] ? mark_held_locks+0xc7/0x130 [ 398.254294] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.259309] ? zap_class+0x640/0x640 [ 398.263109] ? print_usage_bug+0xc0/0xc0 [ 398.267168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.272710] ? check_preemption_disabled+0x48/0x280 [ 398.277728] ? __lock_is_held+0xb5/0x140 [ 398.281792] __alloc_pages_nodemask+0xa80/0xde0 [ 398.286460] ? zap_class+0x640/0x640 [ 398.290180] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.295204] ? find_held_lock+0x36/0x1c0 [ 398.299275] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.303942] ? lock_downgrade+0x900/0x900 [ 398.308097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.313635] cache_grow_begin+0xa5/0x8c0 [ 398.317691] ? do_raw_spin_unlock+0xa7/0x330 [ 398.322100] fallback_alloc+0x204/0x2e0 [ 398.326076] ____cache_alloc_node+0x1c7/0x1e0 [ 398.330574] kmem_cache_alloc_node+0xe3/0x730 [ 398.335064] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.339303] __alloc_skb+0x119/0x770 [ 398.343010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.348285] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.352689] ? lock_downgrade+0x900/0x900 [ 398.356846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.362380] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.367835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.373283] ? addrconf_rs_timer+0x690/0x690 [ 398.377695] ndisc_alloc_skb+0x144/0x340 [ 398.381758] ndisc_send_rs+0x331/0x6e0 [ 398.385903] addrconf_rs_timer+0x314/0x690 [ 398.390137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.394639] call_timer_fn+0x272/0x920 [ 398.398525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.402758] ? process_timeout+0x40/0x40 [ 398.406831] ? __run_timers+0x7da/0xc70 [ 398.410803] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.415303] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.419798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.424032] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.428611] ? trace_hardirqs_on+0xbd/0x310 [ 398.432927] ? kasan_check_read+0x11/0x20 [ 398.437072] ? __run_timers+0x7da/0xc70 [ 398.441042] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.446148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.450390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.454646] __run_timers+0x7e5/0xc70 [ 398.458479] ? timer_fixup_init+0x70/0x70 [ 398.462623] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.467639] ? zap_class+0x640/0x640 [ 398.471354] ? enqueue_hrtimer+0x1a5/0x560 [ 398.475584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.480774] ? find_held_lock+0x36/0x1c0 [ 398.484840] ? zap_class+0x640/0x640 [ 398.488556] ? pvclock_read_flags+0x160/0x160 [ 398.493047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.498585] ? check_preemption_disabled+0x48/0x280 [ 398.503603] ? __lock_is_held+0xb5/0x140 [ 398.507659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.513295] ? check_preemption_disabled+0x48/0x280 [ 398.518314] run_timer_softirq+0x52/0xb0 [ 398.522374] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.527386] __do_softirq+0x308/0xb7e [ 398.531184] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.535675] ? lock_downgrade+0x900/0x900 [ 398.539825] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.544932] ? pvclock_read_flags+0x160/0x160 [ 398.549421] ? lapic_next_event+0x5a/0x90 [ 398.553570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.559123] ? kvm_clock_read+0x18/0x30 [ 398.563090] ? kvm_sched_clock_read+0x9/0x20 [ 398.567495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.573038] ? check_preemption_disabled+0x48/0x280 [ 398.578060] irq_exit+0x17f/0x1c0 [ 398.581509] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.586347] ? smp_reschedule_interrupt+0x109/0x650 [ 398.591361] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.597253] ? interrupt_entry+0xb5/0xc0 [ 398.601327] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.606344] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.611386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.616236] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.621247] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.626268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.631112] apic_timer_interrupt+0xf/0x20 [ 398.635341] [ 398.637575] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.642501] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 398.661411] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.669127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.676390] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 398.683659] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 398.691009] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.698275] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 398.705581] skb_clone+0x1bb/0x500 [ 398.709119] ? finish_task_switch+0x2f4/0x910 [ 398.713616] ? skb_split+0x11e0/0x11e0 [ 398.717500] ? preempt_notifier_register+0x200/0x200 [ 398.722601] ? __switch_to_asm+0x34/0x70 [ 398.727131] ? __switch_to_asm+0x34/0x70 [ 398.731188] ? __switch_to_asm+0x40/0x70 [ 398.735243] ? __switch_to_asm+0x34/0x70 [ 398.739297] ? __switch_to_asm+0x40/0x70 [ 398.743355] ? __switch_to_asm+0x34/0x70 [ 398.747411] ? __switch_to_asm+0x40/0x70 [ 398.751467] ? __switch_to_asm+0x34/0x70 [ 398.755522] ? __switch_to_asm+0x34/0x70 [ 398.759576] ? __switch_to_asm+0x40/0x70 [ 398.763634] ? __switch_to_asm+0x34/0x70 [ 398.767702] bpf_clone_redirect+0xb9/0x490 [ 398.771932] ? __schedule+0x8d7/0x21d0 [ 398.775822] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 398.780834] ? __sched_text_start+0x8/0x8 [ 398.784979] ? retint_kernel+0x2d/0x2d [ 398.788866] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.793806] ? find_held_lock+0x36/0x1c0 [ 398.797868] ? lock_acquire+0x1ed/0x520 [ 398.801838] ? bpf_test_run+0x3cb/0x780 [ 398.805810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.811348] ? check_preemption_disabled+0x48/0x280 [ 398.816366] ? kasan_check_read+0x11/0x20 [ 398.820524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.825801] ? rcu_softirq_qs+0x20/0x20 [ 398.829784] ? preempt_schedule+0x4d/0x60 [ 398.833928] ? ___preempt_schedule+0x16/0x18 [ 398.838337] ? bpf_test_run+0x25d/0x780 [ 398.842319] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.846729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.852259] ? bpf_test_init.isra.10+0x70/0x100 [ 398.856928] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 398.861688] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.866538] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.872070] ? fput+0x130/0x1a0 [ 398.875343] ? __bpf_prog_get+0x9b/0x290 [ 398.879405] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.884243] ? bpf_prog_test_run+0x130/0x1a0 [ 398.888650] ? __x64_sys_bpf+0x3d8/0x520 [ 398.892705] ? bpf_prog_get+0x20/0x20 [ 398.896517] ? do_syscall_64+0x1b9/0x820 [ 398.900574] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.905935] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.910862] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.915878] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 398.920887] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 398.927571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.932415] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.937803] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 398.937863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.944812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.944816] Call Trace: [ 398.944821] [ 398.944837] dump_stack+0x244/0x39d [ 398.944856] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.951367] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.960679] warn_alloc.cold.116+0xb7/0x1bd [ 398.963226] syz-executor4 cpuset=syz4 mems_allowed=0 [ 398.965366] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.998830] ? lock_downgrade+0x900/0x900 [ 399.002983] ? trace_hardirqs_off+0xb8/0x310 [ 399.007391] ? trace_hardirqs_off+0xb8/0x310 [ 399.011805] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.016669] ? warn_alloc+0x120/0x120 [ 399.020467] ? print_usage_bug+0xc0/0xc0 [ 399.024523] ? warn_alloc+0x120/0x120 [ 399.028321] ? warn_alloc+0x120/0x120 [ 399.032119] ? print_usage_bug+0xc0/0xc0 [ 399.036176] ? kvm_clock_read+0x18/0x30 [ 399.040149] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.045164] ? print_usage_bug+0xc0/0xc0 [ 399.049223] ? __lock_acquire+0x62f/0x4c20 [ 399.053457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.058989] ? should_fail+0x22d/0xd01 [ 399.062882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.068165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.073261] ? __lock_acquire+0x62f/0x4c20 [ 399.077497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.082604] ? __lock_acquire+0x62f/0x4c20 [ 399.086836] ? should_fail+0x22d/0xd01 [ 399.090714] ? rcu_irq_exit+0x1a2/0x390 [ 399.094692] ? mark_held_locks+0x130/0x130 [ 399.098923] ? mark_held_locks+0x130/0x130 [ 399.103161] ? mark_held_locks+0xc7/0x130 [ 399.107309] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 399.112317] ? zap_class+0x640/0x640 [ 399.116026] ? print_usage_bug+0xc0/0xc0 [ 399.120085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.125621] ? check_preemption_disabled+0x48/0x280 [ 399.130643] ? __lock_is_held+0xb5/0x140 [ 399.134705] __alloc_pages_nodemask+0xa80/0xde0 [ 399.139371] ? zap_class+0x640/0x640 [ 399.143104] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.148124] ? find_held_lock+0x36/0x1c0 [ 399.152196] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.156861] ? lock_downgrade+0x900/0x900 [ 399.161009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.166550] cache_grow_begin+0xa5/0x8c0 [ 399.170608] ? do_raw_spin_unlock+0xa7/0x330 [ 399.175018] fallback_alloc+0x204/0x2e0 [ 399.179006] ____cache_alloc_node+0x1c7/0x1e0 [ 399.183512] kmem_cache_alloc_node+0xe3/0x730 [ 399.188003] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.192244] __alloc_skb+0x119/0x770 [ 399.195965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.201239] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.205642] ? lock_downgrade+0x900/0x900 [ 399.209792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.215324] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.220779] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.226224] ? addrconf_rs_timer+0x690/0x690 [ 399.230639] ndisc_alloc_skb+0x144/0x340 [ 399.234700] ndisc_send_rs+0x331/0x6e0 [ 399.238586] addrconf_rs_timer+0x314/0x690 [ 399.242822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.247060] call_timer_fn+0x272/0x920 [ 399.250945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.255177] ? process_timeout+0x40/0x40 [ 399.259250] ? mark_held_locks+0xc7/0x130 [ 399.263395] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.267888] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.272380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.276608] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.281189] ? trace_hardirqs_on+0xbd/0x310 [ 399.285504] ? kasan_check_read+0x11/0x20 [ 399.289648] ? __run_timers+0x7da/0xc70 [ 399.293620] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.298722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.302967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.307198] __run_timers+0x7e5/0xc70 [ 399.311004] ? timer_fixup_init+0x70/0x70 [ 399.315150] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.320163] ? zap_class+0x640/0x640 [ 399.323879] ? print_usage_bug+0xc0/0xc0 [ 399.328026] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.333217] ? find_held_lock+0x36/0x1c0 [ 399.337281] ? zap_class+0x640/0x640 [ 399.340997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.346533] ? check_preemption_disabled+0x48/0x280 [ 399.351554] ? __lock_is_held+0xb5/0x140 [ 399.355622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.361157] ? check_preemption_disabled+0x48/0x280 [ 399.366174] run_timer_softirq+0x52/0xb0 [ 399.370228] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.375254] __do_softirq+0x308/0xb7e [ 399.379053] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 399.383540] ? lock_downgrade+0x900/0x900 [ 399.387688] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.392802] ? pvclock_read_flags+0x160/0x160 [ 399.397294] ? lapic_next_event+0x5a/0x90 [ 399.401439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.406979] ? kvm_clock_read+0x18/0x30 [ 399.410953] ? kvm_sched_clock_read+0x9/0x20 [ 399.415359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.420890] ? check_preemption_disabled+0x48/0x280 [ 399.425909] irq_exit+0x17f/0x1c0 [ 399.429367] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.434210] ? smp_reschedule_interrupt+0x109/0x650 [ 399.439220] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.445099] ? interrupt_entry+0xb5/0xc0 [ 399.449155] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.454163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.459178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.464020] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.469029] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.474038] ? task_prio+0x50/0x50 [ 399.477575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.483105] ? check_preemption_disabled+0x48/0x280 [ 399.488121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.492966] apic_timer_interrupt+0xf/0x20 [ 399.497195] [ 399.499430] RIP: 0010:dump_stack+0x358/0x39d [ 399.503838] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 399.522732] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 399.530443] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 399.537713] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 399.544982] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 399.552243] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 399.559508] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 399.566785] ? dump_stack+0x34f/0x39d [ 399.570591] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.575786] ? mark_held_locks+0x130/0x130 [ 399.580018] ? mark_held_locks+0x130/0x130 [ 399.584252] dump_header+0x27b/0xf72 [ 399.587971] ? pagefault_out_of_memory+0x197/0x197 [ 399.592899] ? __lock_acquire+0x62f/0x4c20 [ 399.597133] ? percpu_ref_get_many+0x240/0x240 [ 399.601719] ? print_usage_bug+0xc0/0xc0 [ 399.605783] ? zap_class+0x640/0x640 [ 399.609494] ? print_usage_bug+0xc0/0xc0 [ 399.613563] ? print_usage_bug+0xc0/0xc0 [ 399.617619] ? zap_class+0x640/0x640 [ 399.621332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.626876] ? find_held_lock+0x36/0x1c0 [ 399.630939] ? mark_held_locks+0xc7/0x130 [ 399.635084] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.640201] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.645305] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.649901] ? trace_hardirqs_on+0xbd/0x310 [ 399.654218] ? kasan_check_read+0x11/0x20 [ 399.658358] ? ___ratelimit+0x3b4/0x672 [ 399.662328] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.667432] ? trace_hardirqs_on+0x310/0x310 [ 399.671840] ? lock_downgrade+0x900/0x900 [ 399.675990] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.681086] ? ___ratelimit+0x3b9/0x672 [ 399.685058] ? idr_get_free+0xf70/0xf70 [ 399.689025] ? find_held_lock+0x36/0x1c0 [ 399.695177] oom_kill_process.cold.27+0x10/0x903 [ 399.699927] ? zap_class+0x640/0x640 [ 399.703646] ? check_preemption_disabled+0x48/0x280 [ 399.708665] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.713600] ? kasan_check_read+0x11/0x20 [ 399.717746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.723020] ? oom_evaluate_task+0x540/0x540 [ 399.727432] ? find_held_lock+0x36/0x1c0 [ 399.731508] ? out_of_memory+0x974/0x1430 [ 399.735654] ? lock_downgrade+0x900/0x900 [ 399.739794] ? check_preemption_disabled+0x48/0x280 [ 399.744817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.749746] ? kasan_check_read+0x11/0x20 [ 399.753894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.759172] ? rcu_softirq_qs+0x20/0x20 [ 399.763144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.768679] ? oom_evaluate_task+0x302/0x540 [ 399.773096] out_of_memory+0xa84/0x1430 [ 399.777071] ? oom_killer_disable+0x3a0/0x3a0 [ 399.781565] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 399.786497] ? __ww_mutex_check_waiters+0x160/0x160 [ 399.791518] __alloc_pages_slowpath+0x2354/0x2e10 [ 399.796384] ? warn_alloc+0x120/0x120 [ 399.800179] ? mark_held_locks+0x130/0x130 [ 399.804414] ? find_get_entry+0xaae/0x1120 [ 399.808654] ? filemap_map_pages+0x1a20/0x1a20 [ 399.813240] ? zap_class+0x640/0x640 [ 399.816967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.822498] ? check_preemption_disabled+0x48/0x280 [ 399.827507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.833040] ? should_fail+0x22d/0xd01 [ 399.836927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.842032] ? zap_class+0x640/0x640 [ 399.845768] ? __lock_is_held+0xb5/0x140 [ 399.849832] ? mark_held_locks+0x130/0x130 [ 399.854066] ? lock_release+0xa00/0xa00 [ 399.858036] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.863481] ? xa_load+0x2ba/0x460 [ 399.867016] ? lock_downgrade+0x900/0x900 [ 399.871163] ? __might_sleep+0x95/0x190 [ 399.875135] __alloc_pages_nodemask+0xa80/0xde0 [ 399.879892] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.884901] ? __page_cache_alloc+0x191/0x5c0 [ 399.889389] ? xa_load+0x2e1/0x460 [ 399.893390] ? xa_clear_mark+0x40/0x40 [ 399.897276] ? zap_class+0x640/0x640 [ 399.900994] ? zap_class+0x640/0x640 [ 399.904710] ? zap_class+0x640/0x640 [ 399.908419] ? __do_page_cache_readahead+0x663/0x810 [ 399.913540] ? find_held_lock+0x36/0x1c0 [ 399.917613] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 399.923150] alloc_pages_current+0x173/0x350 [ 399.927562] __page_cache_alloc+0x38c/0x5c0 [ 399.931877] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.936799] ? kasan_check_read+0x11/0x20 [ 399.940944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.946219] ? generic_perform_write+0x6a0/0x6a0 [ 399.950969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.956503] ? check_preemption_disabled+0x48/0x280 [ 399.961522] filemap_fault+0x1595/0x25f0 [ 399.965593] ? __lock_page_or_retry+0xa00/0xa00 [ 399.970259] ? mark_held_locks+0x130/0x130 [ 399.974497] ? filemap_map_pages+0xd6b/0x1a20 [ 399.978987] ? lock_downgrade+0x900/0x900 [ 399.983131] ? check_preemption_disabled+0x48/0x280 [ 399.988142] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.993064] ? kasan_check_read+0x11/0x20 [ 399.997207] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.002480] ? rcu_softirq_qs+0x20/0x20 [ 400.006463] ? filemap_map_pages+0xd92/0x1a20 [ 400.010966] ? find_get_entries_tag+0x1400/0x1400 [ 400.015805] ? debug_object_destroy+0x2b0/0x2b0 [ 400.020469] ? lock_pi_update_atomic+0x150/0x150 [ 400.025217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.030758] ? lock_acquire+0x1ed/0x520 [ 400.034724] ? ext4_filemap_fault+0x7a/0xad [ 400.039044] ? lock_release+0xa00/0xa00 [ 400.043012] ? perf_trace_sched_process_exec+0x860/0x860 [ 400.048461] ? print_usage_bug+0xc0/0xc0 [ 400.052523] ? print_usage_bug+0xc0/0xc0 [ 400.056589] ? down_read+0x8d/0x120 [ 400.060209] ? ext4_filemap_fault+0x7a/0xad [ 400.064526] ? __down_interruptible+0x700/0x700 [ 400.069200] ext4_filemap_fault+0x82/0xad [ 400.073429] __do_fault+0x100/0x6b0 [ 400.077055] ? pmd_devmap_trans_unstable+0x220/0x220 [ 400.082154] ? mark_held_locks+0x130/0x130 [ 400.086386] ? mark_held_locks+0x130/0x130 [ 400.090617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.096147] ? check_preemption_disabled+0x48/0x280 [ 400.101165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.106708] __handle_mm_fault+0x3ea0/0x5be0 [ 400.111119] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 400.115957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.121489] ? __fpu__restore_sig+0x62f/0x1680 [ 400.126082] ? zap_class+0x640/0x640 [ 400.129790] ? zap_class+0x640/0x640 [ 400.133498] ? __x64_sys_futex+0x53e/0x6a0 [ 400.137732] ? find_held_lock+0x36/0x1c0 [ 400.141799] ? handle_mm_fault+0x42a/0xc70 [ 400.146030] ? lock_downgrade+0x900/0x900 [ 400.150170] ? check_preemption_disabled+0x48/0x280 [ 400.155187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.160109] ? kasan_check_read+0x11/0x20 [ 400.164250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.169520] ? rcu_softirq_qs+0x20/0x20 [ 400.173486] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.178604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.184138] ? check_preemption_disabled+0x48/0x280 [ 400.189162] handle_mm_fault+0x54f/0xc70 [ 400.193221] ? __handle_mm_fault+0x5be0/0x5be0 [ 400.197803] ? find_vma+0x34/0x190 [ 400.201346] __do_page_fault+0x5e8/0xe60 [ 400.205404] ? trace_hardirqs_off+0xb8/0x310 [ 400.209806] ? exit_to_usermode_loop+0x1f4/0x380 [ 400.214565] do_page_fault+0xf2/0x7e0 [ 400.218363] ? vmalloc_sync_all+0x30/0x30 [ 400.222507] ? error_entry+0x70/0xd0 [ 400.226218] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.231226] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.236147] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.241071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.245911] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.250923] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.256372] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.261380] ? page_fault+0x8/0x30 [ 400.264921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.269762] ? page_fault+0x8/0x30 [ 400.273294] page_fault+0x1e/0x30 [ 400.276753] RIP: 0033:0x45ddf3 [ 400.279954] Code: Bad RIP value. [ 400.283311] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 400.288669] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 400.295929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 400.303189] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 400.310450] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 400.317713] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 400.324999] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 400.325004] warn_alloc_show_mem: 1 callbacks suppressed [ 400.325010] Mem-Info: [ 400.332362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.337720] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 400.337720] active_file:14 inactive_file:13 isolated_file:0 [ 400.337720] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.337720] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 400.337720] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 400.337720] free:13747 free_pcp:512 free_cma:0 [ 400.340088] Call Trace: [ 400.349462] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.382387] [ 400.384953] 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 [ 400.412440] dump_stack+0x244/0x39d [ 400.414560] lowmem_reserve[]: 0 2818 6321 6321 [ 400.440668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.444272] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 400.448850] warn_alloc.cold.116+0xb7/0x1bd [ 400.453995] lowmem_reserve[]: 0 0 3503 3503 [ 400.481314] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.485606] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 400.489934] ? lock_downgrade+0x900/0x900 [ 400.494749] lowmem_reserve[]: 0 0 0 0 [ 400.523714] ? trace_hardirqs_off+0xb8/0x310 [ 400.527829] 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 [ 400.531630] ? trace_hardirqs_off+0xb8/0x310 [ 400.536005] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 400.549522] __alloc_pages_slowpath+0x26e8/0x2e10 [ 400.553901] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 400.569176] ? warn_alloc+0x120/0x120 [ 400.573973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.588361] ? print_usage_bug+0xc0/0xc0 [ 400.592159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.600969] ? warn_alloc+0x120/0x120 [ 400.605002] 165 total pagecache pages [ 400.613562] ? warn_alloc+0x120/0x120 [ 400.617338] 0 pages in swap cache [ 400.621119] ? print_usage_bug+0xc0/0xc0 [ 400.624904] Swap cache stats: add 0, delete 0, find 0/0 [ 400.628345] ? print_usage_bug+0xc0/0xc0 [ 400.632379] Free swap = 0kB [ 400.637726] ? __lock_acquire+0x62f/0x4c20 [ 400.641750] Total swap = 0kB [ 400.641757] 1965979 pages RAM [ 400.644765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.648965] 0 pages HighMem/MovableOnly [ 400.648972] 342855 pages reserved [ 400.651978] ? should_fail+0x22d/0xd01 [ 400.655055] 0 pages cma reserved [ 400.660584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.664581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.667968] ? __lock_acquire+0x62f/0x4c20 [ 400.671877] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.675176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.680249] syz-fuzzer cpuset=/ mems_allowed=0 [ 400.686723] ? __lock_acquire+0x62f/0x4c20 [ 400.686738] ? should_fail+0x22d/0xd01 [ 400.718889] ? find_held_lock+0x36/0x1c0 [ 400.722951] ? mark_held_locks+0x130/0x130 [ 400.727618] ? mark_held_locks+0x130/0x130 [ 400.731846] ? zap_class+0x640/0x640 [ 400.735553] ? zap_class+0x640/0x640 [ 400.739261] ? print_usage_bug+0xc0/0xc0 [ 400.743317] ? do_raw_spin_unlock+0xa7/0x330 [ 400.747718] ? zap_class+0x640/0x640 [ 400.751430] ? print_usage_bug+0xc0/0xc0 [ 400.755487] ? wq_watchdog_touch+0x9c/0xfe [ 400.759729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.765261] ? check_preemption_disabled+0x48/0x280 [ 400.770280] ? __lock_is_held+0xb5/0x140 [ 400.774340] __alloc_pages_nodemask+0xa80/0xde0 [ 400.779006] ? zap_class+0x640/0x640 [ 400.782719] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.787743] ? find_held_lock+0x36/0x1c0 [ 400.791807] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.796473] ? lock_downgrade+0x900/0x900 [ 400.800633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.806171] cache_grow_begin+0xa5/0x8c0 [ 400.810226] ? do_raw_spin_unlock+0xa7/0x330 [ 400.814654] fallback_alloc+0x204/0x2e0 [ 400.818634] ____cache_alloc_node+0x1c7/0x1e0 [ 400.823134] kmem_cache_alloc_node+0xe3/0x730 [ 400.827624] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.831863] __alloc_skb+0x119/0x770 [ 400.835571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.840853] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.845254] ? lock_downgrade+0x900/0x900 [ 400.849404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.854934] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.860381] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.866254] ? addrconf_rs_timer+0x690/0x690 [ 400.870668] ndisc_alloc_skb+0x144/0x340 [ 400.874729] ndisc_send_rs+0x331/0x6e0 [ 400.878624] addrconf_rs_timer+0x314/0x690 [ 400.882858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.887101] call_timer_fn+0x272/0x920 [ 400.890985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.895214] ? process_timeout+0x40/0x40 [ 400.899277] ? __run_timers+0x7da/0xc70 [ 400.903251] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.907742] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.912228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.916455] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.921034] ? trace_hardirqs_on+0xbd/0x310 [ 400.925347] ? kasan_check_read+0x11/0x20 [ 400.929507] ? __run_timers+0x7da/0xc70 [ 400.933480] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.938596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.942827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.947059] __run_timers+0x7e5/0xc70 [ 400.950864] ? timer_fixup_init+0x70/0x70 [ 400.955008] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.960021] ? zap_class+0x640/0x640 [ 400.963734] ? enqueue_hrtimer+0x1a5/0x560 [ 400.967965] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.973153] ? find_held_lock+0x36/0x1c0 [ 400.977214] ? zap_class+0x640/0x640 [ 400.980930] ? pvclock_read_flags+0x160/0x160 [ 400.985422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.990956] ? check_preemption_disabled+0x48/0x280 [ 400.995973] ? __lock_is_held+0xb5/0x140 [ 401.000033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.005567] ? check_preemption_disabled+0x48/0x280 [ 401.010596] run_timer_softirq+0x52/0xb0 [ 401.014655] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.019673] __do_softirq+0x308/0xb7e [ 401.023472] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 401.027962] ? lock_downgrade+0x900/0x900 [ 401.032114] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.037221] ? pvclock_read_flags+0x160/0x160 [ 401.041712] ? lapic_next_event+0x5a/0x90 [ 401.045858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.051397] ? kvm_clock_read+0x18/0x30 [ 401.055366] ? kvm_sched_clock_read+0x9/0x20 [ 401.059771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.065302] ? check_preemption_disabled+0x48/0x280 [ 401.070324] irq_exit+0x17f/0x1c0 [ 401.073772] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.078607] ? smp_reschedule_interrupt+0x109/0x650 [ 401.083621] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.089503] ? interrupt_entry+0xb5/0xc0 [ 401.093558] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.098584] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.103599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.108441] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.113452] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.118475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.123317] apic_timer_interrupt+0xf/0x20 [ 401.127540] [ 401.129781] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 401.134709] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 401.153602] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 401.161304] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 401.168573] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 401.175839] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 401.183106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 401.190366] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 401.197665] skb_clone+0x1bb/0x500 [ 401.201202] ? finish_task_switch+0x2f4/0x910 [ 401.205694] ? skb_split+0x11e0/0x11e0 [ 401.209582] ? preempt_notifier_register+0x200/0x200 [ 401.214679] ? __switch_to_asm+0x34/0x70 [ 401.218734] ? __switch_to_asm+0x34/0x70 [ 401.222787] ? __switch_to_asm+0x40/0x70 [ 401.226842] ? __switch_to_asm+0x34/0x70 [ 401.230900] ? __switch_to_asm+0x40/0x70 [ 401.234956] ? __switch_to_asm+0x34/0x70 [ 401.239009] ? __switch_to_asm+0x40/0x70 [ 401.243063] ? __switch_to_asm+0x34/0x70 [ 401.247122] ? __switch_to_asm+0x34/0x70 [ 401.251177] ? __switch_to_asm+0x40/0x70 [ 401.255232] ? __switch_to_asm+0x34/0x70 [ 401.259307] bpf_clone_redirect+0xb9/0x490 [ 401.263542] ? __schedule+0x8d7/0x21d0 [ 401.267440] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 401.272456] ? __sched_text_start+0x8/0x8 [ 401.276604] ? retint_kernel+0x2d/0x2d [ 401.280485] ? trace_hardirqs_on_caller+0xc0/0x310 [ 401.285413] ? find_held_lock+0x36/0x1c0 [ 401.289476] ? lock_acquire+0x1ed/0x520 [ 401.293446] ? bpf_test_run+0x3cb/0x780 [ 401.297417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.302952] ? check_preemption_disabled+0x48/0x280 [ 401.307967] ? kasan_check_read+0x11/0x20 [ 401.312111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.317383] ? rcu_softirq_qs+0x20/0x20 [ 401.321351] ? preempt_schedule+0x4d/0x60 [ 401.325495] ? ___preempt_schedule+0x16/0x18 [ 401.329905] ? bpf_test_run+0x25d/0x780 [ 401.333885] ? netlink_diag_dump+0x2a0/0x2a0 [ 401.338291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.343821] ? bpf_test_init.isra.10+0x70/0x100 [ 401.348492] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 401.353251] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.358093] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.363630] ? fput+0x130/0x1a0 [ 401.366904] ? __bpf_prog_get+0x9b/0x290 [ 401.370960] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.375797] ? bpf_prog_test_run+0x130/0x1a0 [ 401.380297] ? __x64_sys_bpf+0x3d8/0x520 [ 401.384355] ? bpf_prog_get+0x20/0x20 [ 401.388166] ? do_syscall_64+0x1b9/0x820 [ 401.392225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 401.397583] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.402508] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.407525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 401.412550] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 401.419223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.424074] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.429454] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 401.429514] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.436463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.436468] Call Trace: [ 401.436473] [ 401.436489] dump_stack+0x244/0x39d [ 401.436509] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.443042] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.452346] warn_alloc.cold.116+0xb7/0x1bd [ 401.454896] syz-executor4 cpuset=syz4 mems_allowed=0 [ 401.457038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.490497] ? lock_downgrade+0x900/0x900 [ 401.494650] ? trace_hardirqs_off+0xb8/0x310 [ 401.499057] ? trace_hardirqs_off+0xb8/0x310 [ 401.503466] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.508330] ? warn_alloc+0x120/0x120 [ 401.512131] ? print_usage_bug+0xc0/0xc0 [ 401.516186] ? warn_alloc+0x120/0x120 [ 401.519988] ? warn_alloc+0x120/0x120 [ 401.523788] ? print_usage_bug+0xc0/0xc0 [ 401.527849] ? print_usage_bug+0xc0/0xc0 [ 401.531915] ? __lock_acquire+0x62f/0x4c20 [ 401.536149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.541681] ? should_fail+0x22d/0xd01 [ 401.545572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.550668] ? __lock_acquire+0x62f/0x4c20 [ 401.554906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.560002] ? __lock_acquire+0x62f/0x4c20 [ 401.564229] ? should_fail+0x22d/0xd01 [ 401.568109] ? find_held_lock+0x36/0x1c0 [ 401.572176] ? mark_held_locks+0x130/0x130 [ 401.576413] ? mark_held_locks+0x130/0x130 [ 401.580643] ? zap_class+0x640/0x640 [ 401.584354] ? zap_class+0x640/0x640 [ 401.588066] ? print_usage_bug+0xc0/0xc0 [ 401.592140] ? do_raw_spin_unlock+0xa7/0x330 [ 401.596552] ? zap_class+0x640/0x640 [ 401.600275] ? print_usage_bug+0xc0/0xc0 [ 401.604330] ? wq_watchdog_touch+0x9c/0xfe [ 401.608569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.614105] ? check_preemption_disabled+0x48/0x280 [ 401.619123] ? __lock_is_held+0xb5/0x140 [ 401.623185] __alloc_pages_nodemask+0xa80/0xde0 [ 401.627849] ? zap_class+0x640/0x640 [ 401.631565] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.636584] ? find_held_lock+0x36/0x1c0 [ 401.640647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.645327] ? lock_downgrade+0x900/0x900 [ 401.649477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.655016] cache_grow_begin+0xa5/0x8c0 [ 401.659075] ? do_raw_spin_unlock+0xa7/0x330 [ 401.663486] fallback_alloc+0x204/0x2e0 [ 401.667468] ____cache_alloc_node+0x1c7/0x1e0 [ 401.671963] kmem_cache_alloc_node+0xe3/0x730 [ 401.676453] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.680698] __alloc_skb+0x119/0x770 [ 401.684407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.689679] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.694082] ? lock_downgrade+0x900/0x900 [ 401.698234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.703766] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.709214] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.714665] ? addrconf_rs_timer+0x690/0x690 [ 401.719081] ndisc_alloc_skb+0x144/0x340 [ 401.723140] ndisc_send_rs+0x331/0x6e0 [ 401.727030] addrconf_rs_timer+0x314/0x690 [ 401.731266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.735516] call_timer_fn+0x272/0x920 [ 401.739405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.743633] ? process_timeout+0x40/0x40 [ 401.747704] ? mark_held_locks+0xc7/0x130 [ 401.751849] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.756343] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.760834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.765069] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.769646] ? trace_hardirqs_on+0xbd/0x310 [ 401.773963] ? kasan_check_read+0x11/0x20 [ 401.778105] ? __run_timers+0x7da/0xc70 [ 401.782077] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.787180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.791419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.795651] __run_timers+0x7e5/0xc70 [ 401.799454] ? timer_fixup_init+0x70/0x70 [ 401.803600] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.808610] ? zap_class+0x640/0x640 [ 401.812322] ? print_usage_bug+0xc0/0xc0 [ 401.816380] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.821575] ? find_held_lock+0x36/0x1c0 [ 401.825635] ? zap_class+0x640/0x640 [ 401.829351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.834882] ? check_preemption_disabled+0x48/0x280 [ 401.839903] ? __lock_is_held+0xb5/0x140 [ 401.843957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.849490] ? check_preemption_disabled+0x48/0x280 [ 401.854528] run_timer_softirq+0x52/0xb0 [ 401.858597] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.863607] __do_softirq+0x308/0xb7e [ 401.867403] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 401.871893] ? lock_downgrade+0x900/0x900 [ 401.876042] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.881149] ? pvclock_read_flags+0x160/0x160 [ 401.885638] ? lapic_next_event+0x5a/0x90 [ 401.889783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.895706] ? kvm_clock_read+0x18/0x30 [ 401.899678] ? kvm_sched_clock_read+0x9/0x20 [ 401.904100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.909661] ? check_preemption_disabled+0x48/0x280 [ 401.914678] irq_exit+0x17f/0x1c0 [ 401.918128] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.922963] ? smp_reschedule_interrupt+0x109/0x650 [ 401.927972] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.933851] ? interrupt_entry+0xb5/0xc0 [ 401.937910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.942918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.947942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.952777] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.957789] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.962811] ? task_prio+0x50/0x50 [ 401.966351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.971894] ? check_preemption_disabled+0x48/0x280 [ 401.976917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.981765] apic_timer_interrupt+0xf/0x20 [ 401.985987] [ 401.988224] RIP: 0010:dump_stack+0x358/0x39d [ 401.992627] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 402.011526] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 402.019226] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 402.026497] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 402.033763] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 402.041025] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 402.048286] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 402.055564] ? dump_stack+0x34f/0x39d [ 402.059375] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.064564] ? mark_held_locks+0x130/0x130 [ 402.068790] ? mark_held_locks+0x130/0x130 [ 402.073023] dump_header+0x27b/0xf72 [ 402.076749] ? pagefault_out_of_memory+0x197/0x197 [ 402.081680] ? __lock_acquire+0x62f/0x4c20 [ 402.085912] ? percpu_ref_get_many+0x240/0x240 [ 402.090497] ? print_usage_bug+0xc0/0xc0 [ 402.094560] ? zap_class+0x640/0x640 [ 402.098272] ? print_usage_bug+0xc0/0xc0 [ 402.102324] ? print_usage_bug+0xc0/0xc0 [ 402.106380] ? zap_class+0x640/0x640 [ 402.110092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.115630] ? find_held_lock+0x36/0x1c0 [ 402.119694] ? mark_held_locks+0xc7/0x130 [ 402.123855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.128952] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.134052] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.138628] ? trace_hardirqs_on+0xbd/0x310 [ 402.142946] ? kasan_check_read+0x11/0x20 [ 402.147089] ? ___ratelimit+0x3b4/0x672 [ 402.151070] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.156167] ? trace_hardirqs_on+0x310/0x310 [ 402.160573] ? lock_downgrade+0x900/0x900 [ 402.164722] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.169822] ? ___ratelimit+0x3b9/0x672 [ 402.173793] ? idr_get_free+0xf70/0xf70 [ 402.177758] ? find_held_lock+0x36/0x1c0 [ 402.181822] oom_kill_process.cold.27+0x10/0x903 [ 402.186574] ? zap_class+0x640/0x640 [ 402.190288] ? check_preemption_disabled+0x48/0x280 [ 402.195303] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.200224] ? kasan_check_read+0x11/0x20 [ 402.204370] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.209643] ? oom_evaluate_task+0x540/0x540 [ 402.214054] ? find_held_lock+0x36/0x1c0 [ 402.218117] ? out_of_memory+0x974/0x1430 [ 402.222261] ? lock_downgrade+0x900/0x900 [ 402.226402] ? check_preemption_disabled+0x48/0x280 [ 402.231418] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.236339] ? kasan_check_read+0x11/0x20 [ 402.240491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.245772] ? rcu_softirq_qs+0x20/0x20 [ 402.249742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.255272] ? oom_evaluate_task+0x302/0x540 [ 402.259679] out_of_memory+0xa84/0x1430 [ 402.263657] ? oom_killer_disable+0x3a0/0x3a0 [ 402.268148] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 402.273088] ? __ww_mutex_check_waiters+0x160/0x160 [ 402.278108] __alloc_pages_slowpath+0x2354/0x2e10 [ 402.282969] ? warn_alloc+0x120/0x120 [ 402.286764] ? mark_held_locks+0x130/0x130 [ 402.291002] ? find_get_entry+0xaae/0x1120 [ 402.295239] ? filemap_map_pages+0x1a20/0x1a20 [ 402.299819] ? zap_class+0x640/0x640 [ 402.303534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.309066] ? check_preemption_disabled+0x48/0x280 [ 402.314082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.319614] ? should_fail+0x22d/0xd01 [ 402.323504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.328603] ? zap_class+0x640/0x640 [ 402.332345] ? __lock_is_held+0xb5/0x140 [ 402.336411] ? mark_held_locks+0x130/0x130 [ 402.340648] ? lock_release+0xa00/0xa00 [ 402.344620] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.350066] ? xa_load+0x2ba/0x460 [ 402.353614] ? lock_downgrade+0x900/0x900 [ 402.357766] ? __might_sleep+0x95/0x190 [ 402.361743] __alloc_pages_nodemask+0xa80/0xde0 [ 402.366411] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 402.371420] ? __page_cache_alloc+0x191/0x5c0 [ 402.375918] ? xa_load+0x2e1/0x460 [ 402.379460] ? xa_clear_mark+0x40/0x40 [ 402.383361] ? zap_class+0x640/0x640 [ 402.387076] ? zap_class+0x640/0x640 [ 402.390783] ? zap_class+0x640/0x640 [ 402.394494] ? __do_page_cache_readahead+0x663/0x810 [ 402.399596] ? find_held_lock+0x36/0x1c0 [ 402.403658] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 402.409194] alloc_pages_current+0x173/0x350 [ 402.413690] __page_cache_alloc+0x38c/0x5c0 [ 402.418005] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.422925] ? kasan_check_read+0x11/0x20 [ 402.427067] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.432343] ? generic_perform_write+0x6a0/0x6a0 [ 402.437115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.442651] ? check_preemption_disabled+0x48/0x280 [ 402.447676] filemap_fault+0x1595/0x25f0 [ 402.451742] ? __lock_page_or_retry+0xa00/0xa00 [ 402.456416] ? mark_held_locks+0x130/0x130 [ 402.460664] ? filemap_map_pages+0xd6b/0x1a20 [ 402.465155] ? lock_downgrade+0x900/0x900 [ 402.469295] ? check_preemption_disabled+0x48/0x280 [ 402.474392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.479316] ? kasan_check_read+0x11/0x20 [ 402.483468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.488744] ? rcu_softirq_qs+0x20/0x20 [ 402.492727] ? filemap_map_pages+0xd92/0x1a20 [ 402.497227] ? find_get_entries_tag+0x1400/0x1400 [ 402.502067] ? debug_object_destroy+0x2b0/0x2b0 [ 402.506731] ? lock_pi_update_atomic+0x150/0x150 [ 402.511482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.517026] ? lock_acquire+0x1ed/0x520 [ 402.520996] ? ext4_filemap_fault+0x7a/0xad [ 402.525317] ? lock_release+0xa00/0xa00 [ 402.529293] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.534739] ? print_usage_bug+0xc0/0xc0 [ 402.538797] ? print_usage_bug+0xc0/0xc0 [ 402.542871] ? down_read+0x8d/0x120 [ 402.546491] ? ext4_filemap_fault+0x7a/0xad [ 402.550827] ? __down_interruptible+0x700/0x700 [ 402.555500] ext4_filemap_fault+0x82/0xad [ 402.559645] __do_fault+0x100/0x6b0 [ 402.563273] ? pmd_devmap_trans_unstable+0x220/0x220 [ 402.568372] ? mark_held_locks+0x130/0x130 [ 402.572603] ? mark_held_locks+0x130/0x130 [ 402.576836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.582384] ? check_preemption_disabled+0x48/0x280 [ 402.587417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.592994] __handle_mm_fault+0x3ea0/0x5be0 [ 402.597404] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 402.602254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.607789] ? __fpu__restore_sig+0x62f/0x1680 [ 402.612383] ? zap_class+0x640/0x640 [ 402.616091] ? zap_class+0x640/0x640 [ 402.619813] ? __x64_sys_futex+0x53e/0x6a0 [ 402.624045] ? find_held_lock+0x36/0x1c0 [ 402.628111] ? handle_mm_fault+0x42a/0xc70 [ 402.632339] ? lock_downgrade+0x900/0x900 [ 402.636480] ? check_preemption_disabled+0x48/0x280 [ 402.641492] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.646417] ? kasan_check_read+0x11/0x20 [ 402.650572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.655847] ? rcu_softirq_qs+0x20/0x20 [ 402.659817] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.664918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.670462] ? check_preemption_disabled+0x48/0x280 [ 402.675481] handle_mm_fault+0x54f/0xc70 [ 402.679543] ? __handle_mm_fault+0x5be0/0x5be0 [ 402.684123] ? find_vma+0x34/0x190 [ 402.687667] __do_page_fault+0x5e8/0xe60 [ 402.691722] ? trace_hardirqs_off+0xb8/0x310 [ 402.696124] ? exit_to_usermode_loop+0x1f4/0x380 [ 402.700885] do_page_fault+0xf2/0x7e0 [ 402.704681] ? vmalloc_sync_all+0x30/0x30 [ 402.708834] ? error_entry+0x70/0xd0 [ 402.712544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.717553] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.722479] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.728872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.733721] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.738734] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.744183] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.749195] ? page_fault+0x8/0x30 [ 402.752733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.757571] ? page_fault+0x8/0x30 [ 402.761108] page_fault+0x1e/0x30 [ 402.764557] RIP: 0033:0x45ddf3 [ 402.767755] Code: Bad RIP value. [ 402.771111] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 402.776468] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 402.783730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 402.790992] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 402.798252] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 402.805513] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 402.812799] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 402.812804] warn_alloc_show_mem: 1 callbacks suppressed [ 402.812810] Mem-Info: [ 402.820164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.825526] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 402.825526] active_file:14 inactive_file:13 isolated_file:0 [ 402.825526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.825526] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 402.825526] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 402.825526] free:13747 free_pcp:512 free_cma:0 [ 402.827979] Call Trace: [ 402.837353] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.870203] [ 402.872785] 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 [ 402.900546] dump_stack+0x244/0x39d [ 402.902674] lowmem_reserve[]: 0 2818 6321 6321 [ 402.928783] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.932382] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 402.936973] warn_alloc.cold.116+0xb7/0x1bd [ 402.942122] lowmem_reserve[]: 0 0 3503 3503 [ 402.969442] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.973738] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 402.978052] ? lock_downgrade+0x900/0x900 [ 402.982864] lowmem_reserve[]: 0 0 0 0 [ 403.011833] ? trace_hardirqs_off+0xb8/0x310 [ 403.015950] 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 [ 403.019757] ? trace_hardirqs_off+0xb8/0x310 [ 403.024133] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 403.037651] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.042023] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 403.057302] ? warn_alloc+0x120/0x120 [ 403.062103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.076489] ? print_usage_bug+0xc0/0xc0 [ 403.080267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.089084] ? warn_alloc+0x120/0x120 [ 403.093118] 165 total pagecache pages [ 403.101681] ? warn_alloc+0x120/0x120 [ 403.105459] 0 pages in swap cache [ 403.109242] ? print_usage_bug+0xc0/0xc0 [ 403.113018] Swap cache stats: add 0, delete 0, find 0/0 [ 403.116455] ? kvm_clock_read+0x18/0x30 [ 403.120484] Free swap = 0kB [ 403.125833] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.129777] Total swap = 0kB [ 403.132782] ? print_usage_bug+0xc0/0xc0 [ 403.137767] 1965979 pages RAM [ 403.140774] ? __lock_acquire+0x62f/0x4c20 [ 403.144803] 0 pages HighMem/MovableOnly [ 403.144810] 342855 pages reserved [ 403.147909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.152110] 0 pages cma reserved [ 403.156069] ? should_fail+0x22d/0xd01 [ 403.159570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.165017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.165035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.165051] ? __lock_acquire+0x62f/0x4c20 [ 403.168458] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.172275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.178746] syz-fuzzer cpuset=/ mems_allowed=0 [ 403.184017] ? __lock_acquire+0x62f/0x4c20 [ 403.217397] ? should_fail+0x22d/0xd01 [ 403.221282] ? rcu_irq_exit+0x1a2/0x390 [ 403.225267] ? mark_held_locks+0x130/0x130 [ 403.229506] ? mark_held_locks+0x130/0x130 [ 403.233739] ? mark_held_locks+0xc7/0x130 [ 403.237882] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.242900] ? zap_class+0x640/0x640 [ 403.246623] ? print_usage_bug+0xc0/0xc0 [ 403.250682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.256218] ? check_preemption_disabled+0x48/0x280 [ 403.261237] ? __lock_is_held+0xb5/0x140 [ 403.265298] __alloc_pages_nodemask+0xa80/0xde0 [ 403.269968] ? zap_class+0x640/0x640 [ 403.273683] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.278702] ? find_held_lock+0x36/0x1c0 [ 403.282767] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.287435] ? lock_downgrade+0x900/0x900 [ 403.291584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.297120] cache_grow_begin+0xa5/0x8c0 [ 403.301175] ? do_raw_spin_unlock+0xa7/0x330 [ 403.305589] fallback_alloc+0x204/0x2e0 [ 403.309567] ____cache_alloc_node+0x1c7/0x1e0 [ 403.314061] kmem_cache_alloc_node+0xe3/0x730 [ 403.318553] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.322794] __alloc_skb+0x119/0x770 [ 403.326503] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.331780] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.336189] ? lock_downgrade+0x900/0x900 [ 403.340340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.345893] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.351346] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.356800] ? addrconf_rs_timer+0x690/0x690 [ 403.361213] ndisc_alloc_skb+0x144/0x340 [ 403.365272] ndisc_send_rs+0x331/0x6e0 [ 403.369162] addrconf_rs_timer+0x314/0x690 [ 403.373397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.377636] call_timer_fn+0x272/0x920 [ 403.381606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.385838] ? process_timeout+0x40/0x40 [ 403.389921] ? __run_timers+0x7da/0xc70 [ 403.393927] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.398418] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.402921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.407169] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.411814] ? trace_hardirqs_on+0xbd/0x310 [ 403.416131] ? kasan_check_read+0x11/0x20 [ 403.420290] ? __run_timers+0x7da/0xc70 [ 403.424260] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.429370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.433603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.437832] __run_timers+0x7e5/0xc70 [ 403.441642] ? timer_fixup_init+0x70/0x70 [ 403.445788] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.450823] ? zap_class+0x640/0x640 [ 403.454541] ? enqueue_hrtimer+0x1a5/0x560 [ 403.458771] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.463964] ? find_held_lock+0x36/0x1c0 [ 403.468024] ? zap_class+0x640/0x640 [ 403.471737] ? pvclock_read_flags+0x160/0x160 [ 403.476242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.481776] ? check_preemption_disabled+0x48/0x280 [ 403.486800] ? __lock_is_held+0xb5/0x140 [ 403.490861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.496400] ? check_preemption_disabled+0x48/0x280 [ 403.501417] run_timer_softirq+0x52/0xb0 [ 403.505479] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.510497] __do_softirq+0x308/0xb7e [ 403.514298] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.518791] ? lock_downgrade+0x900/0x900 [ 403.522943] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.528048] ? pvclock_read_flags+0x160/0x160 [ 403.532541] ? lapic_next_event+0x5a/0x90 [ 403.536686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.542221] ? kvm_clock_read+0x18/0x30 [ 403.546199] ? kvm_sched_clock_read+0x9/0x20 [ 403.550607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.556144] ? check_preemption_disabled+0x48/0x280 [ 403.561163] irq_exit+0x17f/0x1c0 [ 403.564614] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.569452] ? smp_reschedule_interrupt+0x109/0x650 [ 403.574466] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.580359] ? interrupt_entry+0xb5/0xc0 [ 403.584422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.589435] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.594449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.599291] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.604301] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.609321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.614170] apic_timer_interrupt+0xf/0x20 [ 403.618395] [ 403.620629] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.625557] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 403.644537] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.652241] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.659504] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 403.666768] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 403.674032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.681296] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 403.688688] skb_clone+0x1bb/0x500 [ 403.692236] ? finish_task_switch+0x2f4/0x910 [ 403.696728] ? skb_split+0x11e0/0x11e0 [ 403.700615] ? preempt_notifier_register+0x200/0x200 [ 403.705712] ? __switch_to_asm+0x34/0x70 [ 403.709768] ? __switch_to_asm+0x34/0x70 [ 403.713824] ? __switch_to_asm+0x40/0x70 [ 403.717885] ? __switch_to_asm+0x34/0x70 [ 403.721941] ? __switch_to_asm+0x40/0x70 [ 403.725996] ? __switch_to_asm+0x34/0x70 [ 403.730054] ? __switch_to_asm+0x40/0x70 [ 403.734108] ? __switch_to_asm+0x34/0x70 [ 403.738167] ? __switch_to_asm+0x34/0x70 [ 403.742223] ? __switch_to_asm+0x40/0x70 [ 403.746278] ? __switch_to_asm+0x34/0x70 [ 403.750350] bpf_clone_redirect+0xb9/0x490 [ 403.754579] ? __schedule+0x8d7/0x21d0 [ 403.758472] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 403.763486] ? __sched_text_start+0x8/0x8 [ 403.767632] ? retint_kernel+0x2d/0x2d [ 403.771517] ? trace_hardirqs_on_caller+0xc0/0x310 [ 403.776449] ? find_held_lock+0x36/0x1c0 [ 403.780513] ? lock_acquire+0x1ed/0x520 [ 403.784481] ? bpf_test_run+0x3cb/0x780 [ 403.788463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.793997] ? check_preemption_disabled+0x48/0x280 [ 403.799016] ? kasan_check_read+0x11/0x20 [ 403.803158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.808429] ? rcu_softirq_qs+0x20/0x20 [ 403.812412] ? preempt_schedule+0x4d/0x60 [ 403.816555] ? ___preempt_schedule+0x16/0x18 [ 403.820965] ? bpf_test_run+0x25d/0x780 [ 403.824949] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.829355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.834890] ? bpf_test_init.isra.10+0x70/0x100 [ 403.839563] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 403.844331] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.849168] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.854703] ? fput+0x130/0x1a0 [ 403.857985] ? __bpf_prog_get+0x9b/0x290 [ 403.862043] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.866883] ? bpf_prog_test_run+0x130/0x1a0 [ 403.871290] ? __x64_sys_bpf+0x3d8/0x520 [ 403.875354] ? bpf_prog_get+0x20/0x20 [ 403.879167] ? do_syscall_64+0x1b9/0x820 [ 403.883226] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.888588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.894059] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.899074] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 403.904087] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 403.910755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.915609] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.920984] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 403.921045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.927991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.927996] Call Trace: [ 403.928002] [ 403.928016] dump_stack+0x244/0x39d [ 403.928035] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.934580] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.943862] warn_alloc.cold.116+0xb7/0x1bd [ 403.946414] syz-executor4 cpuset=syz4 mems_allowed=0 [ 403.948551] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.982021] ? lock_downgrade+0x900/0x900 [ 403.986173] ? trace_hardirqs_off+0xb8/0x310 [ 403.990584] ? trace_hardirqs_off+0xb8/0x310 [ 403.994994] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.999860] ? warn_alloc+0x120/0x120 [ 404.003655] ? print_usage_bug+0xc0/0xc0 [ 404.007713] ? warn_alloc+0x120/0x120 [ 404.011510] ? warn_alloc+0x120/0x120 [ 404.015312] ? print_usage_bug+0xc0/0xc0 [ 404.019377] ? print_usage_bug+0xc0/0xc0 [ 404.023435] ? __lock_acquire+0x62f/0x4c20 [ 404.027672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.033209] ? should_fail+0x22d/0xd01 [ 404.037095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.042196] ? __lock_acquire+0x62f/0x4c20 [ 404.046451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.051558] ? __lock_acquire+0x62f/0x4c20 [ 404.055786] ? should_fail+0x22d/0xd01 [ 404.059666] ? find_held_lock+0x36/0x1c0 [ 404.063728] ? mark_held_locks+0x130/0x130 [ 404.067966] ? mark_held_locks+0x130/0x130 [ 404.072191] ? zap_class+0x640/0x640 [ 404.075900] ? zap_class+0x640/0x640 [ 404.079609] ? print_usage_bug+0xc0/0xc0 [ 404.083662] ? do_raw_spin_unlock+0xa7/0x330 [ 404.088063] ? zap_class+0x640/0x640 [ 404.091774] ? print_usage_bug+0xc0/0xc0 [ 404.095840] ? wq_watchdog_touch+0x9c/0xfe [ 404.100074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.105604] ? check_preemption_disabled+0x48/0x280 [ 404.110624] ? __lock_is_held+0xb5/0x140 [ 404.114688] __alloc_pages_nodemask+0xa80/0xde0 [ 404.119354] ? zap_class+0x640/0x640 [ 404.123066] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.128089] ? find_held_lock+0x36/0x1c0 [ 404.132158] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.136825] ? lock_downgrade+0x900/0x900 [ 404.140974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.146511] cache_grow_begin+0xa5/0x8c0 [ 404.150567] ? do_raw_spin_unlock+0xa7/0x330 [ 404.154978] fallback_alloc+0x204/0x2e0 [ 404.158959] ____cache_alloc_node+0x1c7/0x1e0 [ 404.163456] kmem_cache_alloc_node+0xe3/0x730 [ 404.167947] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.172189] __alloc_skb+0x119/0x770 [ 404.175898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.181181] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.185588] ? lock_downgrade+0x900/0x900 [ 404.189740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.195270] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.200725] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.206169] ? addrconf_rs_timer+0x690/0x690 [ 404.210587] ndisc_alloc_skb+0x144/0x340 [ 404.214648] ndisc_send_rs+0x331/0x6e0 [ 404.218536] addrconf_rs_timer+0x314/0x690 [ 404.222772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.227013] call_timer_fn+0x272/0x920 [ 404.230892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.235124] ? process_timeout+0x40/0x40 [ 404.239190] ? mark_held_locks+0xc7/0x130 [ 404.243337] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.247826] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.252326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.256559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.261135] ? trace_hardirqs_on+0xbd/0x310 [ 404.265451] ? kasan_check_read+0x11/0x20 [ 404.269593] ? __run_timers+0x7da/0xc70 [ 404.273565] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.278668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.282901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.287127] __run_timers+0x7e5/0xc70 [ 404.290938] ? timer_fixup_init+0x70/0x70 [ 404.295081] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.300096] ? zap_class+0x640/0x640 [ 404.303809] ? print_usage_bug+0xc0/0xc0 [ 404.307867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.313059] ? find_held_lock+0x36/0x1c0 [ 404.317118] ? zap_class+0x640/0x640 [ 404.320843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.326376] ? check_preemption_disabled+0x48/0x280 [ 404.331394] ? __lock_is_held+0xb5/0x140 [ 404.335450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.340980] ? check_preemption_disabled+0x48/0x280 [ 404.345998] run_timer_softirq+0x52/0xb0 [ 404.350052] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.355067] __do_softirq+0x308/0xb7e [ 404.358885] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.363379] ? lock_downgrade+0x900/0x900 [ 404.367527] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.372633] ? pvclock_read_flags+0x160/0x160 [ 404.377132] ? lapic_next_event+0x5a/0x90 [ 404.381285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.386827] ? kvm_clock_read+0x18/0x30 [ 404.390798] ? kvm_sched_clock_read+0x9/0x20 [ 404.395202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.400740] ? check_preemption_disabled+0x48/0x280 [ 404.405763] irq_exit+0x17f/0x1c0 [ 404.409215] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.414050] ? smp_reschedule_interrupt+0x109/0x650 [ 404.419061] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.424944] ? interrupt_entry+0xb5/0xc0 [ 404.429004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.434015] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.439027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.443865] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.448878] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.453890] ? task_prio+0x50/0x50 [ 404.457425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.462962] ? check_preemption_disabled+0x48/0x280 [ 404.467980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.472828] apic_timer_interrupt+0xf/0x20 [ 404.477052] [ 404.479299] RIP: 0010:dump_stack+0x358/0x39d [ 404.483703] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.502600] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 404.510305] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 404.517566] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 404.524840] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 404.532114] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 404.539383] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 404.546660] ? dump_stack+0x34f/0x39d [ 404.550472] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.555664] ? mark_held_locks+0x130/0x130 [ 404.559895] ? mark_held_locks+0x130/0x130 [ 404.564131] dump_header+0x27b/0xf72 [ 404.567851] ? pagefault_out_of_memory+0x197/0x197 [ 404.572804] ? __lock_acquire+0x62f/0x4c20 [ 404.577041] ? percpu_ref_get_many+0x240/0x240 [ 404.581621] ? print_usage_bug+0xc0/0xc0 [ 404.585681] ? zap_class+0x640/0x640 [ 404.589409] ? print_usage_bug+0xc0/0xc0 [ 404.593467] ? print_usage_bug+0xc0/0xc0 [ 404.597523] ? zap_class+0x640/0x640 [ 404.601235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.606775] ? find_held_lock+0x36/0x1c0 [ 404.610839] ? mark_held_locks+0xc7/0x130 [ 404.614985] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.620090] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.625189] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.629767] ? trace_hardirqs_on+0xbd/0x310 [ 404.634086] ? kasan_check_read+0x11/0x20 [ 404.638228] ? ___ratelimit+0x3b4/0x672 [ 404.642202] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.647318] ? trace_hardirqs_on+0x310/0x310 [ 404.651724] ? lock_downgrade+0x900/0x900 [ 404.655877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.660978] ? ___ratelimit+0x3b9/0x672 [ 404.664946] ? idr_get_free+0xf70/0xf70 [ 404.668913] ? find_held_lock+0x36/0x1c0 [ 404.672975] oom_kill_process.cold.27+0x10/0x903 [ 404.677902] ? zap_class+0x640/0x640 [ 404.681611] ? check_preemption_disabled+0x48/0x280 [ 404.686625] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.691552] ? kasan_check_read+0x11/0x20 [ 404.695692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.700987] ? oom_evaluate_task+0x540/0x540 [ 404.705396] ? find_held_lock+0x36/0x1c0 [ 404.709461] ? out_of_memory+0x974/0x1430 [ 404.713604] ? lock_downgrade+0x900/0x900 [ 404.717761] ? check_preemption_disabled+0x48/0x280 [ 404.723285] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.728247] ? kasan_check_read+0x11/0x20 [ 404.732397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.737673] ? rcu_softirq_qs+0x20/0x20 [ 404.741649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.747181] ? oom_evaluate_task+0x302/0x540 [ 404.751585] out_of_memory+0xa84/0x1430 [ 404.755563] ? oom_killer_disable+0x3a0/0x3a0 [ 404.760053] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 404.764996] ? __ww_mutex_check_waiters+0x160/0x160 [ 404.770016] __alloc_pages_slowpath+0x2354/0x2e10 [ 404.774882] ? warn_alloc+0x120/0x120 [ 404.778675] ? mark_held_locks+0x130/0x130 [ 404.782911] ? find_get_entry+0xaae/0x1120 [ 404.787150] ? filemap_map_pages+0x1a20/0x1a20 [ 404.791730] ? zap_class+0x640/0x640 [ 404.795444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.800976] ? check_preemption_disabled+0x48/0x280 [ 404.805984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.811515] ? should_fail+0x22d/0xd01 [ 404.815401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.820519] ? zap_class+0x640/0x640 [ 404.824260] ? __lock_is_held+0xb5/0x140 [ 404.828327] ? mark_held_locks+0x130/0x130 [ 404.832559] ? lock_release+0xa00/0xa00 [ 404.836528] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.841975] ? xa_load+0x2ba/0x460 [ 404.845512] ? lock_downgrade+0x900/0x900 [ 404.849658] ? __might_sleep+0x95/0x190 [ 404.853634] __alloc_pages_nodemask+0xa80/0xde0 [ 404.858307] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.863323] ? __page_cache_alloc+0x191/0x5c0 [ 404.867847] ? xa_load+0x2e1/0x460 [ 404.871386] ? xa_clear_mark+0x40/0x40 [ 404.875275] ? zap_class+0x640/0x640 [ 404.878993] ? zap_class+0x640/0x640 [ 404.882704] ? zap_class+0x640/0x640 [ 404.886414] ? __do_page_cache_readahead+0x663/0x810 [ 404.891516] ? find_held_lock+0x36/0x1c0 [ 404.895579] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.901122] alloc_pages_current+0x173/0x350 [ 404.905540] __page_cache_alloc+0x38c/0x5c0 [ 404.909856] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.914780] ? kasan_check_read+0x11/0x20 [ 404.918927] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.924200] ? generic_perform_write+0x6a0/0x6a0 [ 404.928965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.934501] ? check_preemption_disabled+0x48/0x280 [ 404.939518] filemap_fault+0x1595/0x25f0 [ 404.943585] ? __lock_page_or_retry+0xa00/0xa00 [ 404.948259] ? mark_held_locks+0x130/0x130 [ 404.952495] ? filemap_map_pages+0xd6b/0x1a20 [ 404.956986] ? lock_downgrade+0x900/0x900 [ 404.961129] ? check_preemption_disabled+0x48/0x280 [ 404.966162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.971084] ? kasan_check_read+0x11/0x20 [ 404.975232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.980508] ? rcu_softirq_qs+0x20/0x20 [ 404.984490] ? filemap_map_pages+0xd92/0x1a20 [ 404.988995] ? find_get_entries_tag+0x1400/0x1400 [ 404.993839] ? debug_object_destroy+0x2b0/0x2b0 [ 404.998502] ? lock_pi_update_atomic+0x150/0x150 [ 405.003260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.008805] ? lock_acquire+0x1ed/0x520 [ 405.012778] ? ext4_filemap_fault+0x7a/0xad [ 405.017098] ? lock_release+0xa00/0xa00 [ 405.021064] ? perf_trace_sched_process_exec+0x860/0x860 [ 405.026512] ? print_usage_bug+0xc0/0xc0 [ 405.030572] ? print_usage_bug+0xc0/0xc0 [ 405.034636] ? down_read+0x8d/0x120 [ 405.038269] ? ext4_filemap_fault+0x7a/0xad [ 405.042584] ? __down_interruptible+0x700/0x700 [ 405.047262] ext4_filemap_fault+0x82/0xad [ 405.051406] __do_fault+0x100/0x6b0 [ 405.055031] ? pmd_devmap_trans_unstable+0x220/0x220 [ 405.060395] ? mark_held_locks+0x130/0x130 [ 405.064631] ? mark_held_locks+0x130/0x130 [ 405.068874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.074408] ? check_preemption_disabled+0x48/0x280 [ 405.079423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.084958] __handle_mm_fault+0x3ea0/0x5be0 [ 405.089370] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 405.094217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.100015] ? __fpu__restore_sig+0x62f/0x1680 [ 405.104613] ? zap_class+0x640/0x640 [ 405.108321] ? zap_class+0x640/0x640 [ 405.112028] ? __x64_sys_futex+0x53e/0x6a0 [ 405.116259] ? find_held_lock+0x36/0x1c0 [ 405.120322] ? handle_mm_fault+0x42a/0xc70 [ 405.124557] ? lock_downgrade+0x900/0x900 [ 405.128703] ? check_preemption_disabled+0x48/0x280 [ 405.133720] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.138640] ? kasan_check_read+0x11/0x20 [ 405.142781] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.148056] ? rcu_softirq_qs+0x20/0x20 [ 405.152034] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.157139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.162672] ? check_preemption_disabled+0x48/0x280 [ 405.167691] handle_mm_fault+0x54f/0xc70 [ 405.172530] ? __handle_mm_fault+0x5be0/0x5be0 [ 405.177115] ? find_vma+0x34/0x190 [ 405.180658] __do_page_fault+0x5e8/0xe60 [ 405.184724] ? trace_hardirqs_off+0xb8/0x310 [ 405.189125] ? exit_to_usermode_loop+0x1f4/0x380 [ 405.193892] do_page_fault+0xf2/0x7e0 [ 405.197691] ? vmalloc_sync_all+0x30/0x30 [ 405.201837] ? error_entry+0x70/0xd0 [ 405.205550] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.210563] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.215486] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.220408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.225249] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.230259] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.235720] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.240730] ? page_fault+0x8/0x30 [ 405.244273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.249118] ? page_fault+0x8/0x30 [ 405.252652] page_fault+0x1e/0x30 [ 405.256101] RIP: 0033:0x45ddf3 [ 405.259301] Code: Bad RIP value. [ 405.262662] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 405.268016] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 405.275277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 405.282540] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 405.289803] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 405.297064] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 405.304344] warn_alloc_show_mem: 1 callbacks suppressed [ 405.304354] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 405.304356] Mem-Info: [ 405.304386] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 405.304386] active_file:14 inactive_file:13 isolated_file:0 [ 405.304386] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.304386] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 405.304386] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 405.304386] free:13747 free_pcp:512 free_cma:0 [ 405.309720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.309728] Call Trace: [ 405.317086] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.319475] [ 405.352330] 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 [ 405.361679] dump_stack+0x244/0x39d [ 405.364234] lowmem_reserve[]: 0 2818 6321 6321 [ 405.391724] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.393843] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.419953] warn_alloc.cold.116+0xb7/0x1bd [ 405.423535] lowmem_reserve[]: 0 0 3503 3503 [ 405.428110] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.433279] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 405.460594] ? lock_downgrade+0x900/0x900 [ 405.464884] lowmem_reserve[]: 0 0 0 0 [ 405.469213] ? trace_hardirqs_off+0xb8/0x310 [ 405.474027] 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 [ 405.503353] ? trace_hardirqs_off+0xb8/0x310 [ 405.507472] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 405.511267] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.515635] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 405.529186] ? warn_alloc+0x120/0x120 [ 405.533550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.548801] ? print_usage_bug+0xc0/0xc0 [ 405.553620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.567995] ? warn_alloc+0x120/0x120 [ 405.571766] 165 total pagecache pages [ 405.580591] ? warn_alloc+0x120/0x120 [ 405.584630] 0 pages in swap cache [ 405.593192] ? print_usage_bug+0xc0/0xc0 [ 405.596970] Swap cache stats: add 0, delete 0, find 0/0 [ 405.600759] ? kvm_clock_read+0x18/0x30 [ 405.604547] Free swap = 0kB [ 405.607986] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.612010] Total swap = 0kB [ 405.612017] 1965979 pages RAM [ 405.617368] ? print_usage_bug+0xc0/0xc0 [ 405.621306] 0 pages HighMem/MovableOnly [ 405.621313] 342855 pages reserved [ 405.624319] ? __lock_acquire+0x62f/0x4c20 [ 405.629303] 0 pages cma reserved [ 405.632309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.635443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.639436] ? should_fail+0x22d/0xd01 [ 405.643457] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.646824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.651029] syz-fuzzer cpuset=/ mems_allowed=0 [ 405.654389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.695368] ? __lock_acquire+0x62f/0x4c20 [ 405.699609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.704707] ? __lock_acquire+0x62f/0x4c20 [ 405.708934] ? should_fail+0x22d/0xd01 [ 405.712813] ? rcu_irq_exit+0x1a2/0x390 [ 405.716792] ? mark_held_locks+0x130/0x130 [ 405.721027] ? mark_held_locks+0x130/0x130 [ 405.725262] ? mark_held_locks+0xc7/0x130 [ 405.729413] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 405.734427] ? zap_class+0x640/0x640 [ 405.738140] ? print_usage_bug+0xc0/0xc0 [ 405.742209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.747743] ? check_preemption_disabled+0x48/0x280 [ 405.752765] ? __lock_is_held+0xb5/0x140 [ 405.756832] __alloc_pages_nodemask+0xa80/0xde0 [ 405.761497] ? zap_class+0x640/0x640 [ 405.765211] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 405.770235] ? find_held_lock+0x36/0x1c0 [ 405.774303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.778971] ? lock_downgrade+0x900/0x900 [ 405.783135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.788688] cache_grow_begin+0xa5/0x8c0 [ 405.792741] ? do_raw_spin_unlock+0xa7/0x330 [ 405.797159] fallback_alloc+0x204/0x2e0 [ 405.801146] ____cache_alloc_node+0x1c7/0x1e0 [ 405.805644] kmem_cache_alloc_node+0xe3/0x730 [ 405.810145] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.814384] __alloc_skb+0x119/0x770 [ 405.818091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.823371] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.827774] ? lock_downgrade+0x900/0x900 [ 405.831927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.837462] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.842933] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.848379] ? addrconf_rs_timer+0x690/0x690 [ 405.852799] ndisc_alloc_skb+0x144/0x340 [ 405.856859] ndisc_send_rs+0x331/0x6e0 [ 405.860749] addrconf_rs_timer+0x314/0x690 [ 405.864986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.869225] call_timer_fn+0x272/0x920 [ 405.873106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.877343] ? process_timeout+0x40/0x40 [ 405.881409] ? __run_timers+0x7da/0xc70 [ 405.885381] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.889882] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.894902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.899150] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.903729] ? trace_hardirqs_on+0xbd/0x310 [ 405.908047] ? kasan_check_read+0x11/0x20 [ 405.912187] ? __run_timers+0x7da/0xc70 [ 405.916166] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.921271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.925504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.929731] __run_timers+0x7e5/0xc70 [ 405.933538] ? timer_fixup_init+0x70/0x70 [ 405.937684] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.942695] ? zap_class+0x640/0x640 [ 405.946409] ? enqueue_hrtimer+0x1a5/0x560 [ 405.950640] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.955843] ? find_held_lock+0x36/0x1c0 [ 405.959902] ? zap_class+0x640/0x640 [ 405.963613] ? pvclock_read_flags+0x160/0x160 [ 405.968105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.973644] ? check_preemption_disabled+0x48/0x280 [ 405.978679] ? __lock_is_held+0xb5/0x140 [ 405.982734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.988265] ? check_preemption_disabled+0x48/0x280 [ 405.993281] run_timer_softirq+0x52/0xb0 [ 405.997342] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.002356] __do_softirq+0x308/0xb7e [ 406.006154] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.010648] ? lock_downgrade+0x900/0x900 [ 406.014794] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.019897] ? pvclock_read_flags+0x160/0x160 [ 406.024391] ? lapic_next_event+0x5a/0x90 [ 406.028539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.034080] ? kvm_clock_read+0x18/0x30 [ 406.038046] ? kvm_sched_clock_read+0x9/0x20 [ 406.042454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.047987] ? check_preemption_disabled+0x48/0x280 [ 406.053007] irq_exit+0x17f/0x1c0 [ 406.056456] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.061293] ? smp_reschedule_interrupt+0x109/0x650 [ 406.066306] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.072191] ? interrupt_entry+0xb5/0xc0 [ 406.076253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.081262] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.086275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.091119] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.096143] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.101164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.106007] apic_timer_interrupt+0xf/0x20 [ 406.110232] [ 406.112466] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 406.117391] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 406.136283] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.143984] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 406.151248] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 406.158511] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 406.165774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.173056] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 406.180355] skb_clone+0x1bb/0x500 [ 406.183892] ? finish_task_switch+0x2f4/0x910 [ 406.188383] ? skb_split+0x11e0/0x11e0 [ 406.192266] ? preempt_notifier_register+0x200/0x200 [ 406.197366] ? __switch_to_asm+0x34/0x70 [ 406.201426] ? __switch_to_asm+0x34/0x70 [ 406.205480] ? __switch_to_asm+0x40/0x70 [ 406.209534] ? __switch_to_asm+0x34/0x70 [ 406.213587] ? __switch_to_asm+0x40/0x70 [ 406.217643] ? __switch_to_asm+0x34/0x70 [ 406.221703] ? __switch_to_asm+0x40/0x70 [ 406.225759] ? __switch_to_asm+0x34/0x70 [ 406.229817] ? __switch_to_asm+0x34/0x70 [ 406.233884] ? __switch_to_asm+0x40/0x70 [ 406.237940] ? __switch_to_asm+0x34/0x70 [ 406.242001] bpf_clone_redirect+0xb9/0x490 [ 406.246229] ? __schedule+0x8d7/0x21d0 [ 406.250125] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 406.255147] ? __sched_text_start+0x8/0x8 [ 406.259293] ? retint_kernel+0x2d/0x2d [ 406.263177] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.268117] ? find_held_lock+0x36/0x1c0 [ 406.272179] ? lock_acquire+0x1ed/0x520 [ 406.276148] ? bpf_test_run+0x3cb/0x780 [ 406.280126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.285660] ? check_preemption_disabled+0x48/0x280 [ 406.290677] ? kasan_check_read+0x11/0x20 [ 406.294821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.300100] ? rcu_softirq_qs+0x20/0x20 [ 406.304073] ? preempt_schedule+0x4d/0x60 [ 406.308241] ? ___preempt_schedule+0x16/0x18 [ 406.312653] ? bpf_test_run+0x25d/0x780 [ 406.316640] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.321045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.326749] ? bpf_test_init.isra.10+0x70/0x100 [ 406.331418] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 406.336182] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.341019] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.346551] ? fput+0x130/0x1a0 [ 406.349825] ? __bpf_prog_get+0x9b/0x290 [ 406.353887] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.358721] ? bpf_prog_test_run+0x130/0x1a0 [ 406.363128] ? __x64_sys_bpf+0x3d8/0x520 [ 406.367188] ? bpf_prog_get+0x20/0x20 [ 406.371000] ? do_syscall_64+0x1b9/0x820 [ 406.375058] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.380423] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.385354] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.390367] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.395378] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 406.402046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.406893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.412272] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 406.412332] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.419278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.419283] Call Trace: [ 406.419289] [ 406.419306] dump_stack+0x244/0x39d [ 406.419325] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.425866] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.435150] warn_alloc.cold.116+0xb7/0x1bd [ 406.437701] syz-executor4 cpuset=syz4 mems_allowed=0 [ 406.439841] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.473309] ? lock_downgrade+0x900/0x900 [ 406.477481] ? trace_hardirqs_off+0xb8/0x310 [ 406.481894] ? trace_hardirqs_off+0xb8/0x310 [ 406.486314] __alloc_pages_slowpath+0x26e8/0x2e10 [ 406.491211] ? warn_alloc+0x120/0x120 [ 406.495017] ? print_usage_bug+0xc0/0xc0 [ 406.499082] ? warn_alloc+0x120/0x120 [ 406.502887] ? warn_alloc+0x120/0x120 [ 406.506684] ? print_usage_bug+0xc0/0xc0 [ 406.510741] ? kvm_clock_read+0x18/0x30 [ 406.514713] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.519725] ? print_usage_bug+0xc0/0xc0 [ 406.523780] ? __lock_acquire+0x62f/0x4c20 [ 406.528018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.533550] ? should_fail+0x22d/0xd01 [ 406.537429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.542707] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.547811] ? __lock_acquire+0x62f/0x4c20 [ 406.552049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.557155] ? __lock_acquire+0x62f/0x4c20 [ 406.561384] ? should_fail+0x22d/0xd01 [ 406.565268] ? rcu_irq_exit+0x1a2/0x390 [ 406.569251] ? mark_held_locks+0x130/0x130 [ 406.573487] ? mark_held_locks+0x130/0x130 [ 406.577724] ? mark_held_locks+0xc7/0x130 [ 406.581871] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.586884] ? zap_class+0x640/0x640 [ 406.590590] ? print_usage_bug+0xc0/0xc0 [ 406.594652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.600189] ? check_preemption_disabled+0x48/0x280 [ 406.605208] ? __lock_is_held+0xb5/0x140 [ 406.609274] __alloc_pages_nodemask+0xa80/0xde0 [ 406.613941] ? zap_class+0x640/0x640 [ 406.617654] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.622686] ? find_held_lock+0x36/0x1c0 [ 406.626753] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.631429] ? lock_downgrade+0x900/0x900 [ 406.635583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.641122] cache_grow_begin+0xa5/0x8c0 [ 406.645178] ? do_raw_spin_unlock+0xa7/0x330 [ 406.649587] fallback_alloc+0x204/0x2e0 [ 406.653568] ____cache_alloc_node+0x1c7/0x1e0 [ 406.658075] kmem_cache_alloc_node+0xe3/0x730 [ 406.662576] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.666947] __alloc_skb+0x119/0x770 [ 406.670659] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.675935] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.680339] ? lock_downgrade+0x900/0x900 [ 406.684489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.690020] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.695470] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.700916] ? addrconf_rs_timer+0x690/0x690 [ 406.705349] ndisc_alloc_skb+0x144/0x340 [ 406.709409] ndisc_send_rs+0x331/0x6e0 [ 406.713295] addrconf_rs_timer+0x314/0x690 [ 406.717528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.721772] call_timer_fn+0x272/0x920 [ 406.727198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.731432] ? process_timeout+0x40/0x40 [ 406.735500] ? mark_held_locks+0xc7/0x130 [ 406.739646] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.744137] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.748625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.752858] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.757442] ? trace_hardirqs_on+0xbd/0x310 [ 406.761764] ? kasan_check_read+0x11/0x20 [ 406.765911] ? __run_timers+0x7da/0xc70 [ 406.769889] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.774995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.779232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.783459] __run_timers+0x7e5/0xc70 [ 406.787268] ? timer_fixup_init+0x70/0x70 [ 406.791414] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.796429] ? zap_class+0x640/0x640 [ 406.800142] ? print_usage_bug+0xc0/0xc0 [ 406.804198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.809388] ? find_held_lock+0x36/0x1c0 [ 406.813449] ? zap_class+0x640/0x640 [ 406.817163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.822695] ? check_preemption_disabled+0x48/0x280 [ 406.827713] ? __lock_is_held+0xb5/0x140 [ 406.831769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.837300] ? check_preemption_disabled+0x48/0x280 [ 406.842317] run_timer_softirq+0x52/0xb0 [ 406.846374] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.851385] __do_softirq+0x308/0xb7e [ 406.855185] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.859686] ? lock_downgrade+0x900/0x900 [ 406.864709] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.869817] ? pvclock_read_flags+0x160/0x160 [ 406.874308] ? lapic_next_event+0x5a/0x90 [ 406.878455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.883995] ? kvm_clock_read+0x18/0x30 [ 406.887966] ? kvm_sched_clock_read+0x9/0x20 [ 406.892369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.897902] ? check_preemption_disabled+0x48/0x280 [ 406.902935] irq_exit+0x17f/0x1c0 [ 406.906385] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.911219] ? smp_reschedule_interrupt+0x109/0x650 [ 406.916229] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.922132] ? interrupt_entry+0xb5/0xc0 [ 406.926190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.931199] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.936213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.941054] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.946079] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.951093] ? task_prio+0x50/0x50 [ 406.954630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.960166] ? check_preemption_disabled+0x48/0x280 [ 406.965180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.970024] apic_timer_interrupt+0xf/0x20 [ 406.974273] [ 406.976507] RIP: 0010:dump_stack+0x358/0x39d [ 406.980915] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 406.999813] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 407.007528] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 407.014789] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 407.022061] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 407.029326] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 407.036591] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 407.043869] ? dump_stack+0x34f/0x39d [ 407.047697] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.052888] ? mark_held_locks+0x130/0x130 [ 407.057130] ? mark_held_locks+0x130/0x130 [ 407.061376] dump_header+0x27b/0xf72 [ 407.065101] ? pagefault_out_of_memory+0x197/0x197 [ 407.070042] ? __lock_acquire+0x62f/0x4c20 [ 407.074278] ? percpu_ref_get_many+0x240/0x240 [ 407.078862] ? print_usage_bug+0xc0/0xc0 [ 407.082925] ? zap_class+0x640/0x640 [ 407.086636] ? print_usage_bug+0xc0/0xc0 [ 407.090695] ? print_usage_bug+0xc0/0xc0 [ 407.094766] ? zap_class+0x640/0x640 [ 407.098495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.104037] ? find_held_lock+0x36/0x1c0 [ 407.108121] ? mark_held_locks+0xc7/0x130 [ 407.112277] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.117387] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.122492] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.127086] ? trace_hardirqs_on+0xbd/0x310 [ 407.131406] ? kasan_check_read+0x11/0x20 [ 407.135551] ? ___ratelimit+0x3b4/0x672 [ 407.139639] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.144737] ? trace_hardirqs_on+0x310/0x310 [ 407.149144] ? lock_downgrade+0x900/0x900 [ 407.153296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.158391] ? ___ratelimit+0x3b9/0x672 [ 407.162361] ? idr_get_free+0xf70/0xf70 [ 407.166329] ? find_held_lock+0x36/0x1c0 [ 407.170392] oom_kill_process.cold.27+0x10/0x903 [ 407.175144] ? zap_class+0x640/0x640 [ 407.178862] ? check_preemption_disabled+0x48/0x280 [ 407.183877] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.188803] ? kasan_check_read+0x11/0x20 [ 407.192946] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.198217] ? oom_evaluate_task+0x540/0x540 [ 407.202626] ? find_held_lock+0x36/0x1c0 [ 407.206688] ? out_of_memory+0x974/0x1430 [ 407.210829] ? lock_downgrade+0x900/0x900 [ 407.214974] ? check_preemption_disabled+0x48/0x280 [ 407.219989] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.224915] ? kasan_check_read+0x11/0x20 [ 407.229066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.234336] ? rcu_softirq_qs+0x20/0x20 [ 407.238313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.243842] ? oom_evaluate_task+0x302/0x540 [ 407.248246] out_of_memory+0xa84/0x1430 [ 407.252220] ? oom_killer_disable+0x3a0/0x3a0 [ 407.256711] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 407.261636] ? __ww_mutex_check_waiters+0x160/0x160 [ 407.266656] __alloc_pages_slowpath+0x2354/0x2e10 [ 407.271526] ? warn_alloc+0x120/0x120 [ 407.275318] ? mark_held_locks+0x130/0x130 [ 407.279551] ? find_get_entry+0xaae/0x1120 [ 407.283792] ? filemap_map_pages+0x1a20/0x1a20 [ 407.288371] ? zap_class+0x640/0x640 [ 407.292089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.297620] ? check_preemption_disabled+0x48/0x280 [ 407.302630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.308163] ? should_fail+0x22d/0xd01 [ 407.312053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.317150] ? zap_class+0x640/0x640 [ 407.320883] ? __lock_is_held+0xb5/0x140 [ 407.324947] ? mark_held_locks+0x130/0x130 [ 407.329197] ? lock_release+0xa00/0xa00 [ 407.333170] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.338614] ? xa_load+0x2ba/0x460 [ 407.342153] ? lock_downgrade+0x900/0x900 [ 407.346301] ? __might_sleep+0x95/0x190 [ 407.350282] __alloc_pages_nodemask+0xa80/0xde0 [ 407.354976] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.360003] ? __page_cache_alloc+0x191/0x5c0 [ 407.364498] ? xa_load+0x2e1/0x460 [ 407.368038] ? xa_clear_mark+0x40/0x40 [ 407.371927] ? zap_class+0x640/0x640 [ 407.375644] ? zap_class+0x640/0x640 [ 407.379357] ? zap_class+0x640/0x640 [ 407.383066] ? __do_page_cache_readahead+0x663/0x810 [ 407.388169] ? find_held_lock+0x36/0x1c0 [ 407.392230] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.397769] alloc_pages_current+0x173/0x350 [ 407.402182] __page_cache_alloc+0x38c/0x5c0 [ 407.406498] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.411421] ? kasan_check_read+0x11/0x20 [ 407.415563] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.420841] ? generic_perform_write+0x6a0/0x6a0 [ 407.425593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.431132] ? check_preemption_disabled+0x48/0x280 [ 407.436164] filemap_fault+0x1595/0x25f0 [ 407.440231] ? __lock_page_or_retry+0xa00/0xa00 [ 407.444897] ? mark_held_locks+0x130/0x130 [ 407.449136] ? filemap_map_pages+0xd6b/0x1a20 [ 407.453629] ? lock_downgrade+0x900/0x900 [ 407.457772] ? check_preemption_disabled+0x48/0x280 [ 407.462790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.467731] ? kasan_check_read+0x11/0x20 [ 407.471873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.477167] ? rcu_softirq_qs+0x20/0x20 [ 407.481147] ? filemap_map_pages+0xd92/0x1a20 [ 407.485647] ? find_get_entries_tag+0x1400/0x1400 [ 407.490489] ? debug_object_destroy+0x2b0/0x2b0 [ 407.495159] ? lock_pi_update_atomic+0x150/0x150 [ 407.499911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.505456] ? lock_acquire+0x1ed/0x520 [ 407.509424] ? ext4_filemap_fault+0x7a/0xad [ 407.513745] ? lock_release+0xa00/0xa00 [ 407.517715] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.523161] ? print_usage_bug+0xc0/0xc0 [ 407.527220] ? print_usage_bug+0xc0/0xc0 [ 407.531287] ? down_read+0x8d/0x120 [ 407.534911] ? ext4_filemap_fault+0x7a/0xad [ 407.539230] ? __down_interruptible+0x700/0x700 [ 407.543901] ext4_filemap_fault+0x82/0xad [ 407.548056] __do_fault+0x100/0x6b0 [ 407.551682] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.556783] ? mark_held_locks+0x130/0x130 [ 407.561018] ? mark_held_locks+0x130/0x130 [ 407.565253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.570787] ? check_preemption_disabled+0x48/0x280 [ 407.575806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.581346] __handle_mm_fault+0x3ea0/0x5be0 [ 407.585772] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 407.590611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.596145] ? __fpu__restore_sig+0x62f/0x1680 [ 407.600743] ? zap_class+0x640/0x640 [ 407.604450] ? zap_class+0x640/0x640 [ 407.608158] ? __x64_sys_futex+0x53e/0x6a0 [ 407.612398] ? find_held_lock+0x36/0x1c0 [ 407.616462] ? handle_mm_fault+0x42a/0xc70 [ 407.620692] ? lock_downgrade+0x900/0x900 [ 407.624837] ? check_preemption_disabled+0x48/0x280 [ 407.629852] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.634775] ? kasan_check_read+0x11/0x20 [ 407.638921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.644190] ? rcu_softirq_qs+0x20/0x20 [ 407.648158] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.653354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.658888] ? check_preemption_disabled+0x48/0x280 [ 407.663940] handle_mm_fault+0x54f/0xc70 [ 407.668015] ? __handle_mm_fault+0x5be0/0x5be0 [ 407.672604] ? find_vma+0x34/0x190 [ 407.676144] __do_page_fault+0x5e8/0xe60 [ 407.680201] ? trace_hardirqs_off+0xb8/0x310 [ 407.684604] ? exit_to_usermode_loop+0x1f4/0x380 [ 407.689377] do_page_fault+0xf2/0x7e0 [ 407.693173] ? vmalloc_sync_all+0x30/0x30 [ 407.697317] ? error_entry+0x70/0xd0 [ 407.701028] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.706039] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.710972] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.715898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.720738] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.726231] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.731684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.736693] ? page_fault+0x8/0x30 [ 407.740229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.745070] ? page_fault+0x8/0x30 [ 407.748605] page_fault+0x1e/0x30 [ 407.752048] RIP: 0033:0x45ddf3 [ 407.755245] Code: Bad RIP value. [ 407.758605] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 407.763968] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 407.771235] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 407.778502] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 407.785769] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 407.793037] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 407.800318] warn_alloc_show_mem: 1 callbacks suppressed [ 407.800328] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 407.800330] Mem-Info: [ 407.800361] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 407.800361] active_file:14 inactive_file:13 isolated_file:0 [ 407.800361] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.800361] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 407.800361] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 407.800361] free:13747 free_pcp:512 free_cma:0 [ 407.805695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.813139] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.815527] Call Trace: [ 407.848388] 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 [ 407.857730] [ 407.885206] lowmem_reserve[]: 0 2818 6321 6321 [ 407.887786] dump_stack+0x244/0x39d [ 407.914396] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.916554] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.921095] lowmem_reserve[]: 0 0 3503 3503 [ 407.924720] warn_alloc.cold.116+0xb7/0x1bd [ 407.952008] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 407.957188] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.961478] lowmem_reserve[]: 0 0 0 0 [ 407.965791] ? lock_downgrade+0x900/0x900 [ 407.994830] 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 [ 407.999674] ? trace_hardirqs_off+0xb8/0x310 [ 408.003442] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 408.007590] ? trace_hardirqs_off+0xb8/0x310 [ 408.021075] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 408.025489] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.040720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.045135] ? warn_alloc+0x120/0x120 [ 408.059572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.059579] 165 total pagecache pages [ 408.064413] ? print_usage_bug+0xc0/0xc0 [ 408.073223] 0 pages in swap cache [ 408.077002] ? warn_alloc+0x120/0x120 [ 408.085547] Swap cache stats: add 0, delete 0, find 0/0 [ 408.085555] Free swap = 0kB [ 408.089345] ? warn_alloc+0x120/0x120 [ 408.093374] Total swap = 0kB [ 408.096814] ? print_usage_bug+0xc0/0xc0 [ 408.100584] 1965979 pages RAM [ 408.105938] ? kvm_clock_read+0x18/0x30 [ 408.108921] 0 pages HighMem/MovableOnly [ 408.108937] 342855 pages reserved [ 408.112723] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.115706] 0 pages cma reserved [ 408.115769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.119763] ? print_usage_bug+0xc0/0xc0 [ 408.122913] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.126803] ? __lock_acquire+0x62f/0x4c20 [ 408.130750] syz-fuzzer cpuset=/ mems_allowed=0 [ 408.134195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.177553] ? should_fail+0x22d/0xd01 [ 408.181437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.186715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.191818] ? __lock_acquire+0x62f/0x4c20 [ 408.196052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.201146] ? __lock_acquire+0x62f/0x4c20 [ 408.205375] ? should_fail+0x22d/0xd01 [ 408.209254] ? rcu_irq_exit+0x1a2/0x390 [ 408.213230] ? mark_held_locks+0x130/0x130 [ 408.217467] ? mark_held_locks+0x130/0x130 [ 408.221700] ? mark_held_locks+0xc7/0x130 [ 408.225844] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.230854] ? zap_class+0x640/0x640 [ 408.234561] ? print_usage_bug+0xc0/0xc0 [ 408.238620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.244157] ? check_preemption_disabled+0x48/0x280 [ 408.249185] ? __lock_is_held+0xb5/0x140 [ 408.253252] __alloc_pages_nodemask+0xa80/0xde0 [ 408.257922] ? zap_class+0x640/0x640 [ 408.261636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.266659] ? find_held_lock+0x36/0x1c0 [ 408.270747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.275415] ? lock_downgrade+0x900/0x900 [ 408.279576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.285113] cache_grow_begin+0xa5/0x8c0 [ 408.289170] ? do_raw_spin_unlock+0xa7/0x330 [ 408.293585] fallback_alloc+0x204/0x2e0 [ 408.297565] ____cache_alloc_node+0x1c7/0x1e0 [ 408.302060] kmem_cache_alloc_node+0xe3/0x730 [ 408.306551] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.310791] __alloc_skb+0x119/0x770 [ 408.314500] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.319774] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.324265] ? lock_downgrade+0x900/0x900 [ 408.328414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.333963] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.339426] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.344882] ? addrconf_rs_timer+0x690/0x690 [ 408.349311] ndisc_alloc_skb+0x144/0x340 [ 408.353385] ndisc_send_rs+0x331/0x6e0 [ 408.357276] addrconf_rs_timer+0x314/0x690 [ 408.361511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.365749] call_timer_fn+0x272/0x920 [ 408.369630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.373862] ? process_timeout+0x40/0x40 [ 408.377932] ? __run_timers+0x7da/0xc70 [ 408.381921] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.386412] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.390910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.395146] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.399726] ? trace_hardirqs_on+0xbd/0x310 [ 408.404045] ? kasan_check_read+0x11/0x20 [ 408.408189] ? __run_timers+0x7da/0xc70 [ 408.412184] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.417288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.421700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.425933] __run_timers+0x7e5/0xc70 [ 408.429741] ? timer_fixup_init+0x70/0x70 [ 408.433886] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.438912] ? zap_class+0x640/0x640 [ 408.442626] ? enqueue_hrtimer+0x1a5/0x560 [ 408.446866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.452062] ? find_held_lock+0x36/0x1c0 [ 408.456123] ? zap_class+0x640/0x640 [ 408.459836] ? pvclock_read_flags+0x160/0x160 [ 408.464329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.469883] ? check_preemption_disabled+0x48/0x280 [ 408.474918] ? __lock_is_held+0xb5/0x140 [ 408.478979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.484508] ? check_preemption_disabled+0x48/0x280 [ 408.489524] run_timer_softirq+0x52/0xb0 [ 408.493597] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.498612] __do_softirq+0x308/0xb7e [ 408.502411] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.506911] ? lock_downgrade+0x900/0x900 [ 408.511059] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.516165] ? pvclock_read_flags+0x160/0x160 [ 408.520660] ? lapic_next_event+0x5a/0x90 [ 408.524805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.530341] ? kvm_clock_read+0x18/0x30 [ 408.534309] ? kvm_sched_clock_read+0x9/0x20 [ 408.538715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.544426] ? check_preemption_disabled+0x48/0x280 [ 408.549460] irq_exit+0x17f/0x1c0 [ 408.552922] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.557759] ? smp_reschedule_interrupt+0x109/0x650 [ 408.562772] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.568661] ? interrupt_entry+0xb5/0xc0 [ 408.572717] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.577728] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.582739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.587577] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.592586] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.597694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.602549] apic_timer_interrupt+0xf/0x20 [ 408.606774] [ 408.609014] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.613947] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 408.632840] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 408.640541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.647803] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 408.655071] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 408.662334] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.669596] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 408.676903] skb_clone+0x1bb/0x500 [ 408.680444] ? finish_task_switch+0x2f4/0x910 [ 408.684939] ? skb_split+0x11e0/0x11e0 [ 408.688824] ? preempt_notifier_register+0x200/0x200 [ 408.693922] ? __switch_to_asm+0x34/0x70 [ 408.698004] ? __switch_to_asm+0x34/0x70 [ 408.702063] ? __switch_to_asm+0x40/0x70 [ 408.706121] ? __switch_to_asm+0x34/0x70 [ 408.710181] ? __switch_to_asm+0x40/0x70 [ 408.714236] ? __switch_to_asm+0x34/0x70 [ 408.718291] ? __switch_to_asm+0x40/0x70 [ 408.722345] ? __switch_to_asm+0x34/0x70 [ 408.726997] ? __switch_to_asm+0x34/0x70 [ 408.731057] ? __switch_to_asm+0x40/0x70 [ 408.735115] ? __switch_to_asm+0x34/0x70 [ 408.739179] bpf_clone_redirect+0xb9/0x490 [ 408.743413] ? __schedule+0x8d7/0x21d0 [ 408.747315] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 408.752328] ? __sched_text_start+0x8/0x8 [ 408.756474] ? retint_kernel+0x2d/0x2d [ 408.760357] ? trace_hardirqs_on_caller+0xc0/0x310 [ 408.765289] ? find_held_lock+0x36/0x1c0 [ 408.769356] ? lock_acquire+0x1ed/0x520 [ 408.773418] ? bpf_test_run+0x3cb/0x780 [ 408.777391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.782928] ? check_preemption_disabled+0x48/0x280 [ 408.787945] ? kasan_check_read+0x11/0x20 [ 408.792087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.797362] ? rcu_softirq_qs+0x20/0x20 [ 408.801344] ? preempt_schedule+0x4d/0x60 [ 408.805489] ? ___preempt_schedule+0x16/0x18 [ 408.809904] ? bpf_test_run+0x25d/0x780 [ 408.813892] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.818318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.823852] ? bpf_test_init.isra.10+0x70/0x100 [ 408.828530] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 408.833292] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.838128] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.843665] ? fput+0x130/0x1a0 [ 408.846942] ? __bpf_prog_get+0x9b/0x290 [ 408.851002] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.855836] ? bpf_prog_test_run+0x130/0x1a0 [ 408.860248] ? __x64_sys_bpf+0x3d8/0x520 [ 408.864740] ? bpf_prog_get+0x20/0x20 [ 408.868553] ? do_syscall_64+0x1b9/0x820 [ 408.872612] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.877976] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.882903] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.887921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.892943] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 408.899614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.904462] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.909862] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 408.909924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.916876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.916885] Call Trace: [ 408.916891] [ 408.916906] dump_stack+0x244/0x39d [ 408.916925] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.923463] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.932744] warn_alloc.cold.116+0xb7/0x1bd [ 408.935291] syz-executor4 cpuset=syz4 mems_allowed=0 [ 408.937431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.970893] ? lock_downgrade+0x900/0x900 [ 408.975042] ? trace_hardirqs_off+0xb8/0x310 [ 408.979463] ? trace_hardirqs_off+0xb8/0x310 [ 408.983888] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.988749] ? warn_alloc+0x120/0x120 [ 408.992547] ? print_usage_bug+0xc0/0xc0 [ 408.996610] ? warn_alloc+0x120/0x120 [ 409.000408] ? warn_alloc+0x120/0x120 [ 409.004205] ? print_usage_bug+0xc0/0xc0 [ 409.008264] ? kvm_clock_read+0x18/0x30 [ 409.012236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.017248] ? print_usage_bug+0xc0/0xc0 [ 409.021303] ? __lock_acquire+0x62f/0x4c20 [ 409.025537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.031071] ? should_fail+0x22d/0xd01 [ 409.034954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.040231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.045329] ? __lock_acquire+0x62f/0x4c20 [ 409.049560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.054656] ? __lock_acquire+0x62f/0x4c20 [ 409.058886] ? should_fail+0x22d/0xd01 [ 409.062766] ? rcu_irq_exit+0x1a2/0x390 [ 409.066748] ? mark_held_locks+0x130/0x130 [ 409.070985] ? mark_held_locks+0x130/0x130 [ 409.075221] ? mark_held_locks+0xc7/0x130 [ 409.079366] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 409.084385] ? zap_class+0x640/0x640 [ 409.088097] ? print_usage_bug+0xc0/0xc0 [ 409.092159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.097693] ? check_preemption_disabled+0x48/0x280 [ 409.102714] ? __lock_is_held+0xb5/0x140 [ 409.106779] __alloc_pages_nodemask+0xa80/0xde0 [ 409.111442] ? zap_class+0x640/0x640 [ 409.115157] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.120179] ? find_held_lock+0x36/0x1c0 [ 409.124244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.128913] ? lock_downgrade+0x900/0x900 [ 409.133072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.138609] cache_grow_begin+0xa5/0x8c0 [ 409.142672] ? do_raw_spin_unlock+0xa7/0x330 [ 409.147084] fallback_alloc+0x204/0x2e0 [ 409.151067] ____cache_alloc_node+0x1c7/0x1e0 [ 409.155563] kmem_cache_alloc_node+0xe3/0x730 [ 409.160053] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.164292] __alloc_skb+0x119/0x770 [ 409.168002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.173277] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.177688] ? lock_downgrade+0x900/0x900 [ 409.181873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.187406] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.192865] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.198317] ? addrconf_rs_timer+0x690/0x690 [ 409.202735] ndisc_alloc_skb+0x144/0x340 [ 409.206805] ndisc_send_rs+0x331/0x6e0 [ 409.210702] addrconf_rs_timer+0x314/0x690 [ 409.215027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.219289] call_timer_fn+0x272/0x920 [ 409.223185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.227412] ? process_timeout+0x40/0x40 [ 409.231481] ? mark_held_locks+0xc7/0x130 [ 409.235626] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.240116] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.244604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.248847] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.253431] ? trace_hardirqs_on+0xbd/0x310 [ 409.257748] ? kasan_check_read+0x11/0x20 [ 409.261889] ? __run_timers+0x7da/0xc70 [ 409.265867] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.270969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.275206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.279433] __run_timers+0x7e5/0xc70 [ 409.283239] ? timer_fixup_init+0x70/0x70 [ 409.287385] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.292400] ? zap_class+0x640/0x640 [ 409.296130] ? print_usage_bug+0xc0/0xc0 [ 409.300192] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.305387] ? find_held_lock+0x36/0x1c0 [ 409.309447] ? zap_class+0x640/0x640 [ 409.313160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.318707] ? check_preemption_disabled+0x48/0x280 [ 409.323726] ? __lock_is_held+0xb5/0x140 [ 409.327783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.333319] ? check_preemption_disabled+0x48/0x280 [ 409.338333] run_timer_softirq+0x52/0xb0 [ 409.342388] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.347401] __do_softirq+0x308/0xb7e [ 409.351201] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.355690] ? lock_downgrade+0x900/0x900 [ 409.359848] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.364957] ? pvclock_read_flags+0x160/0x160 [ 409.369448] ? lapic_next_event+0x5a/0x90 [ 409.373591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.379134] ? kvm_clock_read+0x18/0x30 [ 409.383102] ? kvm_sched_clock_read+0x9/0x20 [ 409.387512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.393047] ? check_preemption_disabled+0x48/0x280 [ 409.398069] irq_exit+0x17f/0x1c0 [ 409.401521] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.406358] ? smp_reschedule_interrupt+0x109/0x650 [ 409.411373] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.417254] ? interrupt_entry+0xb5/0xc0 [ 409.421310] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.426321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.431332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.436174] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.441189] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.446200] ? task_prio+0x50/0x50 [ 409.449739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.455271] ? check_preemption_disabled+0x48/0x280 [ 409.460289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.465135] apic_timer_interrupt+0xf/0x20 [ 409.469360] [ 409.471591] RIP: 0010:dump_stack+0x358/0x39d [ 409.475994] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.494891] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 409.502618] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 409.509885] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 409.517148] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 409.524410] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 409.531673] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 409.538953] ? dump_stack+0x34f/0x39d [ 409.542762] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.547948] ? mark_held_locks+0x130/0x130 [ 409.552177] ? mark_held_locks+0x130/0x130 [ 409.556413] dump_header+0x27b/0xf72 [ 409.560132] ? pagefault_out_of_memory+0x197/0x197 [ 409.565064] ? __lock_acquire+0x62f/0x4c20 [ 409.569303] ? percpu_ref_get_many+0x240/0x240 [ 409.573883] ? print_usage_bug+0xc0/0xc0 [ 409.577948] ? zap_class+0x640/0x640 [ 409.581659] ? print_usage_bug+0xc0/0xc0 [ 409.585715] ? print_usage_bug+0xc0/0xc0 [ 409.589776] ? zap_class+0x640/0x640 [ 409.593497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.599035] ? find_held_lock+0x36/0x1c0 [ 409.603099] ? mark_held_locks+0xc7/0x130 [ 409.607247] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.612347] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.617449] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.622027] ? trace_hardirqs_on+0xbd/0x310 [ 409.626344] ? kasan_check_read+0x11/0x20 [ 409.630484] ? ___ratelimit+0x3b4/0x672 [ 409.634457] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.639555] ? trace_hardirqs_on+0x310/0x310 [ 409.643964] ? lock_downgrade+0x900/0x900 [ 409.648127] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.653229] ? ___ratelimit+0x3b9/0x672 [ 409.657203] ? idr_get_free+0xf70/0xf70 [ 409.661175] ? find_held_lock+0x36/0x1c0 [ 409.665240] oom_kill_process.cold.27+0x10/0x903 [ 409.669994] ? zap_class+0x640/0x640 [ 409.673707] ? check_preemption_disabled+0x48/0x280 [ 409.678724] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.683647] ? kasan_check_read+0x11/0x20 [ 409.687795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.693071] ? oom_evaluate_task+0x540/0x540 [ 409.697494] ? find_held_lock+0x36/0x1c0 [ 409.701556] ? out_of_memory+0x974/0x1430 [ 409.705699] ? lock_downgrade+0x900/0x900 [ 409.709844] ? check_preemption_disabled+0x48/0x280 [ 409.714856] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.719788] ? kasan_check_read+0x11/0x20 [ 409.723936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.729221] ? rcu_softirq_qs+0x20/0x20 [ 409.733195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.738725] ? oom_evaluate_task+0x302/0x540 [ 409.743132] out_of_memory+0xa84/0x1430 [ 409.747112] ? oom_killer_disable+0x3a0/0x3a0 [ 409.751606] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 409.756553] ? __ww_mutex_check_waiters+0x160/0x160 [ 409.761577] __alloc_pages_slowpath+0x2354/0x2e10 [ 409.766440] ? warn_alloc+0x120/0x120 [ 409.770235] ? mark_held_locks+0x130/0x130 [ 409.774472] ? find_get_entry+0xaae/0x1120 [ 409.778713] ? filemap_map_pages+0x1a20/0x1a20 [ 409.783298] ? zap_class+0x640/0x640 [ 409.787017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.792553] ? check_preemption_disabled+0x48/0x280 [ 409.797585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.803118] ? should_fail+0x22d/0xd01 [ 409.807004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.812105] ? zap_class+0x640/0x640 [ 409.815845] ? __lock_is_held+0xb5/0x140 [ 409.819921] ? mark_held_locks+0x130/0x130 [ 409.824166] ? lock_release+0xa00/0xa00 [ 409.828136] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.833580] ? xa_load+0x2ba/0x460 [ 409.837120] ? lock_downgrade+0x900/0x900 [ 409.841271] ? __might_sleep+0x95/0x190 [ 409.845246] __alloc_pages_nodemask+0xa80/0xde0 [ 409.849920] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.854945] ? __page_cache_alloc+0x191/0x5c0 [ 409.859434] ? xa_load+0x2e1/0x460 [ 409.862970] ? xa_clear_mark+0x40/0x40 [ 409.866859] ? zap_class+0x640/0x640 [ 409.870671] ? zap_class+0x640/0x640 [ 409.874383] ? zap_class+0x640/0x640 [ 409.878093] ? __do_page_cache_readahead+0x663/0x810 [ 409.883197] ? find_held_lock+0x36/0x1c0 [ 409.887259] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.893229] alloc_pages_current+0x173/0x350 [ 409.897643] __page_cache_alloc+0x38c/0x5c0 [ 409.901963] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.906887] ? kasan_check_read+0x11/0x20 [ 409.911031] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.916305] ? generic_perform_write+0x6a0/0x6a0 [ 409.921056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.926699] ? check_preemption_disabled+0x48/0x280 [ 409.931718] filemap_fault+0x1595/0x25f0 [ 409.935798] ? __lock_page_or_retry+0xa00/0xa00 [ 409.940464] ? mark_held_locks+0x130/0x130 [ 409.944701] ? filemap_map_pages+0xd6b/0x1a20 [ 409.949192] ? lock_downgrade+0x900/0x900 [ 409.953335] ? check_preemption_disabled+0x48/0x280 [ 409.958349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.963271] ? kasan_check_read+0x11/0x20 [ 409.967411] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.972685] ? rcu_softirq_qs+0x20/0x20 [ 409.976663] ? filemap_map_pages+0xd92/0x1a20 [ 409.981169] ? find_get_entries_tag+0x1400/0x1400 [ 409.986015] ? debug_object_destroy+0x2b0/0x2b0 [ 409.990678] ? lock_pi_update_atomic+0x150/0x150 [ 409.995428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.000975] ? lock_acquire+0x1ed/0x520 [ 410.004946] ? ext4_filemap_fault+0x7a/0xad [ 410.009271] ? lock_release+0xa00/0xa00 [ 410.013242] ? perf_trace_sched_process_exec+0x860/0x860 [ 410.018690] ? print_usage_bug+0xc0/0xc0 [ 410.022763] ? print_usage_bug+0xc0/0xc0 [ 410.026834] ? down_read+0x8d/0x120 [ 410.030451] ? ext4_filemap_fault+0x7a/0xad [ 410.034777] ? __down_interruptible+0x700/0x700 [ 410.039473] ext4_filemap_fault+0x82/0xad [ 410.043615] __do_fault+0x100/0x6b0 [ 410.047243] ? pmd_devmap_trans_unstable+0x220/0x220 [ 410.052346] ? mark_held_locks+0x130/0x130 [ 410.056574] ? mark_held_locks+0x130/0x130 [ 410.060806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.066352] ? check_preemption_disabled+0x48/0x280 [ 410.071368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.076905] __handle_mm_fault+0x3ea0/0x5be0 [ 410.081337] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 410.086176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.091707] ? __fpu__restore_sig+0x62f/0x1680 [ 410.096304] ? zap_class+0x640/0x640 [ 410.100012] ? zap_class+0x640/0x640 [ 410.103720] ? __x64_sys_futex+0x53e/0x6a0 [ 410.107957] ? find_held_lock+0x36/0x1c0 [ 410.112022] ? handle_mm_fault+0x42a/0xc70 [ 410.116256] ? lock_downgrade+0x900/0x900 [ 410.120398] ? check_preemption_disabled+0x48/0x280 [ 410.125415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 410.130337] ? kasan_check_read+0x11/0x20 [ 410.134489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.139763] ? rcu_softirq_qs+0x20/0x20 [ 410.143736] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.148843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.154385] ? check_preemption_disabled+0x48/0x280 [ 410.159404] handle_mm_fault+0x54f/0xc70 [ 410.163464] ? __handle_mm_fault+0x5be0/0x5be0 [ 410.168043] ? find_vma+0x34/0x190 [ 410.171581] __do_page_fault+0x5e8/0xe60 [ 410.175636] ? trace_hardirqs_off+0xb8/0x310 [ 410.180042] ? exit_to_usermode_loop+0x1f4/0x380 [ 410.184807] do_page_fault+0xf2/0x7e0 [ 410.188607] ? vmalloc_sync_all+0x30/0x30 [ 410.192757] ? error_entry+0x70/0xd0 [ 410.196472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.201485] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.206410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.211333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.216175] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.221185] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.226636] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.231646] ? page_fault+0x8/0x30 [ 410.235183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.240023] ? page_fault+0x8/0x30 [ 410.243557] page_fault+0x1e/0x30 [ 410.247006] RIP: 0033:0x45ddf3 [ 410.250211] Code: Bad RIP value. [ 410.253570] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 410.258925] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 410.266187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 410.273449] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 410.280714] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 410.287986] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 410.295276] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 410.295281] warn_alloc_show_mem: 1 callbacks suppressed [ 410.295287] Mem-Info: [ 410.302642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.308005] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 410.308005] active_file:14 inactive_file:13 isolated_file:0 [ 410.308005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.308005] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 410.308005] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 410.308005] free:13747 free_pcp:512 free_cma:0 [ 410.310372] Call Trace: [ 410.319759] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.352594] [ 410.355156] 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 [ 410.382653] dump_stack+0x244/0x39d [ 410.384768] lowmem_reserve[]: 0 2818 6321 6321 [ 410.410886] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.414484] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.419063] warn_alloc.cold.116+0xb7/0x1bd [ 410.424216] lowmem_reserve[]: 0 0 3503 3503 [ 410.451528] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.455821] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 410.460309] ? lock_downgrade+0x900/0x900 [ 410.465117] lowmem_reserve[]: 0 0 0 0 [ 410.494093] ? trace_hardirqs_off+0xb8/0x310 [ 410.498208] 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 [ 410.502013] ? trace_hardirqs_off+0xb8/0x310 [ 410.506390] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 410.519910] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.524285] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 410.539559] ? warn_alloc+0x120/0x120 [ 410.544360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.558742] ? print_usage_bug+0xc0/0xc0 [ 410.562527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.571344] ? warn_alloc+0x120/0x120 [ 410.575399] 165 total pagecache pages [ 410.583961] ? warn_alloc+0x120/0x120 [ 410.587744] 0 pages in swap cache [ 410.591523] ? print_usage_bug+0xc0/0xc0 [ 410.595301] Swap cache stats: add 0, delete 0, find 0/0 [ 410.598743] ? kvm_clock_read+0x18/0x30 [ 410.602786] Free swap = 0kB [ 410.608136] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.612074] Total swap = 0kB [ 410.612081] 1965979 pages RAM [ 410.615086] ? print_usage_bug+0xc0/0xc0 [ 410.620067] 0 pages HighMem/MovableOnly [ 410.620074] 342855 pages reserved [ 410.623080] ? __lock_acquire+0x62f/0x4c20 [ 410.626156] 0 pages cma reserved [ 410.630205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.634292] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.637677] ? should_fail+0x22d/0xd01 [ 410.641951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.645243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.650750] syz-fuzzer cpuset=/ mems_allowed=0 [ 410.657235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.686217] ? __lock_acquire+0x62f/0x4c20 [ 410.690455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.695551] ? __lock_acquire+0x62f/0x4c20 [ 410.699780] ? should_fail+0x22d/0xd01 [ 410.703665] ? rcu_irq_exit+0x1a2/0x390 [ 410.707651] ? mark_held_locks+0x130/0x130 [ 410.711897] ? mark_held_locks+0x130/0x130 [ 410.716131] ? mark_held_locks+0xc7/0x130 [ 410.720273] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.725857] ? zap_class+0x640/0x640 [ 410.729568] ? print_usage_bug+0xc0/0xc0 [ 410.733629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.739165] ? check_preemption_disabled+0x48/0x280 [ 410.744185] ? __lock_is_held+0xb5/0x140 [ 410.748256] __alloc_pages_nodemask+0xa80/0xde0 [ 410.752924] ? zap_class+0x640/0x640 [ 410.756636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 410.761667] ? find_held_lock+0x36/0x1c0 [ 410.765740] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.770408] ? lock_downgrade+0x900/0x900 [ 410.774561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.780100] cache_grow_begin+0xa5/0x8c0 [ 410.784155] ? do_raw_spin_unlock+0xa7/0x330 [ 410.788565] fallback_alloc+0x204/0x2e0 [ 410.792540] ____cache_alloc_node+0x1c7/0x1e0 [ 410.797034] kmem_cache_alloc_node+0xe3/0x730 [ 410.801523] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.805762] __alloc_skb+0x119/0x770 [ 410.809468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.814742] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.819151] ? lock_downgrade+0x900/0x900 [ 410.823301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.828831] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.834278] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.839731] ? addrconf_rs_timer+0x690/0x690 [ 410.844142] ndisc_alloc_skb+0x144/0x340 [ 410.848209] ndisc_send_rs+0x331/0x6e0 [ 410.852100] addrconf_rs_timer+0x314/0x690 [ 410.856333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.860575] call_timer_fn+0x272/0x920 [ 410.864461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.868696] ? process_timeout+0x40/0x40 [ 410.872763] ? __run_timers+0x7da/0xc70 [ 410.876737] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.881233] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.885725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.889954] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.894534] ? trace_hardirqs_on+0xbd/0x310 [ 410.898849] ? kasan_check_read+0x11/0x20 [ 410.902993] ? __run_timers+0x7da/0xc70 [ 410.906967] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.912069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.916301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.920534] __run_timers+0x7e5/0xc70 [ 410.924338] ? timer_fixup_init+0x70/0x70 [ 410.928491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.933503] ? zap_class+0x640/0x640 [ 410.937219] ? enqueue_hrtimer+0x1a5/0x560 [ 410.941452] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.946646] ? find_held_lock+0x36/0x1c0 [ 410.950717] ? zap_class+0x640/0x640 [ 410.954438] ? pvclock_read_flags+0x160/0x160 [ 410.958928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.964460] ? check_preemption_disabled+0x48/0x280 [ 410.969653] ? __lock_is_held+0xb5/0x140 [ 410.973720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.979251] ? check_preemption_disabled+0x48/0x280 [ 410.984267] run_timer_softirq+0x52/0xb0 [ 410.988323] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.993334] __do_softirq+0x308/0xb7e [ 410.997136] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.001623] ? lock_downgrade+0x900/0x900 [ 411.005792] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.010897] ? pvclock_read_flags+0x160/0x160 [ 411.015392] ? lapic_next_event+0x5a/0x90 [ 411.019539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.025073] ? kvm_clock_read+0x18/0x30 [ 411.029044] ? kvm_sched_clock_read+0x9/0x20 [ 411.033450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.038984] ? check_preemption_disabled+0x48/0x280 [ 411.044006] irq_exit+0x17f/0x1c0 [ 411.047458] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.052293] ? smp_reschedule_interrupt+0x109/0x650 [ 411.057305] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.063200] ? interrupt_entry+0xb5/0xc0 [ 411.067258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.072271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.077283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.082123] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.087137] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.092159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.097094] apic_timer_interrupt+0xf/0x20 [ 411.101318] [ 411.103563] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.108489] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 411.127383] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.135099] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.142365] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 411.149625] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 411.156897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.164163] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 411.171466] skb_clone+0x1bb/0x500 [ 411.175003] ? finish_task_switch+0x2f4/0x910 [ 411.179497] ? skb_split+0x11e0/0x11e0 [ 411.183381] ? preempt_notifier_register+0x200/0x200 [ 411.188482] ? __switch_to_asm+0x34/0x70 [ 411.192538] ? __switch_to_asm+0x34/0x70 [ 411.196592] ? __switch_to_asm+0x40/0x70 [ 411.200654] ? __switch_to_asm+0x34/0x70 [ 411.204707] ? __switch_to_asm+0x40/0x70 [ 411.208761] ? __switch_to_asm+0x34/0x70 [ 411.212814] ? __switch_to_asm+0x40/0x70 [ 411.216867] ? __switch_to_asm+0x34/0x70 [ 411.220921] ? __switch_to_asm+0x34/0x70 [ 411.224976] ? __switch_to_asm+0x40/0x70 [ 411.229032] ? __switch_to_asm+0x34/0x70 [ 411.233095] bpf_clone_redirect+0xb9/0x490 [ 411.237337] ? __schedule+0x8d7/0x21d0 [ 411.241312] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 411.246330] ? __sched_text_start+0x8/0x8 [ 411.250476] ? retint_kernel+0x2d/0x2d [ 411.254358] ? trace_hardirqs_on_caller+0xc0/0x310 [ 411.259291] ? find_held_lock+0x36/0x1c0 [ 411.263356] ? lock_acquire+0x1ed/0x520 [ 411.267350] ? bpf_test_run+0x3cb/0x780 [ 411.271367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.276904] ? check_preemption_disabled+0x48/0x280 [ 411.281921] ? kasan_check_read+0x11/0x20 [ 411.286064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.291336] ? rcu_softirq_qs+0x20/0x20 [ 411.295305] ? preempt_schedule+0x4d/0x60 [ 411.299448] ? ___preempt_schedule+0x16/0x18 [ 411.303862] ? bpf_test_run+0x25d/0x780 [ 411.307844] ? netlink_diag_dump+0x2a0/0x2a0 [ 411.312252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.317785] ? bpf_test_init.isra.10+0x70/0x100 [ 411.322457] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 411.327216] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.332053] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.337584] ? fput+0x130/0x1a0 [ 411.340862] ? __bpf_prog_get+0x9b/0x290 [ 411.344935] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.349774] ? bpf_prog_test_run+0x130/0x1a0 [ 411.354182] ? __x64_sys_bpf+0x3d8/0x520 [ 411.358241] ? bpf_prog_get+0x20/0x20 [ 411.362053] ? do_syscall_64+0x1b9/0x820 [ 411.366113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.371473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.376399] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.381415] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 411.386439] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 411.393109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.397962] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.403338] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 411.403400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.410348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.410355] Call Trace: [ 411.416924] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.426164] [ 411.428733] syz-executor4 cpuset=syz4 mems_allowed=0 [ 411.439296] dump_stack+0x244/0x39d [ 411.450122] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.455320] warn_alloc.cold.116+0xb7/0x1bd [ 411.459646] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.464491] ? lock_downgrade+0x900/0x900 [ 411.468656] ? trace_hardirqs_off+0xb8/0x310 [ 411.473066] ? trace_hardirqs_off+0xb8/0x310 [ 411.477476] __alloc_pages_slowpath+0x26e8/0x2e10 [ 411.482341] ? warn_alloc+0x120/0x120 [ 411.486136] ? print_usage_bug+0xc0/0xc0 [ 411.490196] ? warn_alloc+0x120/0x120 [ 411.493996] ? warn_alloc+0x120/0x120 [ 411.497796] ? print_usage_bug+0xc0/0xc0 [ 411.501856] ? print_usage_bug+0xc0/0xc0 [ 411.505913] ? __lock_acquire+0x62f/0x4c20 [ 411.510147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.515683] ? should_fail+0x22d/0xd01 [ 411.519583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.524683] ? __lock_acquire+0x62f/0x4c20 [ 411.528918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.534016] ? __lock_acquire+0x62f/0x4c20 [ 411.538247] ? should_fail+0x22d/0xd01 [ 411.542134] ? find_held_lock+0x36/0x1c0 [ 411.546202] ? mark_held_locks+0x130/0x130 [ 411.550452] ? mark_held_locks+0x130/0x130 [ 411.554708] ? try_to_wake_up+0x11c/0x1490 [ 411.558946] ? lock_downgrade+0x900/0x900 [ 411.563094] ? zap_class+0x640/0x640 [ 411.566802] ? print_usage_bug+0xc0/0xc0 [ 411.570857] ? trace_hardirqs_off+0xb8/0x310 [ 411.575266] ? kasan_check_read+0x11/0x20 [ 411.579410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.584942] ? check_preemption_disabled+0x48/0x280 [ 411.589962] ? __lock_is_held+0xb5/0x140 [ 411.594024] __alloc_pages_nodemask+0xa80/0xde0 [ 411.598773] ? zap_class+0x640/0x640 [ 411.602486] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.607508] ? find_held_lock+0x36/0x1c0 [ 411.611572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.616238] ? lock_downgrade+0x900/0x900 [ 411.620386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.625921] cache_grow_begin+0xa5/0x8c0 [ 411.629977] ? do_raw_spin_unlock+0xa7/0x330 [ 411.634391] fallback_alloc+0x204/0x2e0 [ 411.638366] ____cache_alloc_node+0x1c7/0x1e0 [ 411.642861] kmem_cache_alloc_node+0xe3/0x730 [ 411.647357] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.651612] __alloc_skb+0x119/0x770 [ 411.655327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.660612] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.665019] ? lock_downgrade+0x900/0x900 [ 411.669168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.674700] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.680147] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.685594] ? addrconf_rs_timer+0x690/0x690 [ 411.690017] ndisc_alloc_skb+0x144/0x340 [ 411.694180] ndisc_send_rs+0x331/0x6e0 [ 411.698066] addrconf_rs_timer+0x314/0x690 [ 411.702304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.706556] call_timer_fn+0x272/0x920 [ 411.710440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.714672] ? process_timeout+0x40/0x40 [ 411.718744] ? mark_held_locks+0xc7/0x130 [ 411.722903] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.727394] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.731886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.736116] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.740693] ? trace_hardirqs_on+0xbd/0x310 [ 411.745009] ? kasan_check_read+0x11/0x20 [ 411.749148] ? __run_timers+0x7da/0xc70 [ 411.753117] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.758225] ? __queue_work+0x1440/0x1440 [ 411.762373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.766607] __run_timers+0x7e5/0xc70 [ 411.770417] ? timer_fixup_init+0x70/0x70 [ 411.774568] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.779584] ? zap_class+0x640/0x640 [ 411.783314] ? print_usage_bug+0xc0/0xc0 [ 411.787371] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.792566] ? find_held_lock+0x36/0x1c0 [ 411.796641] ? zap_class+0x640/0x640 [ 411.800357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.805895] ? check_preemption_disabled+0x48/0x280 [ 411.810920] ? __lock_is_held+0xb5/0x140 [ 411.814977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.820522] ? check_preemption_disabled+0x48/0x280 [ 411.825540] run_timer_softirq+0x52/0xb0 [ 411.829603] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.834626] __do_softirq+0x308/0xb7e [ 411.838437] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.843018] ? lock_downgrade+0x900/0x900 [ 411.847184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.852306] ? pvclock_read_flags+0x160/0x160 [ 411.856825] ? lapic_next_event+0x5a/0x90 [ 411.860975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.866512] ? kvm_clock_read+0x18/0x30 [ 411.870480] ? kvm_sched_clock_read+0x9/0x20 [ 411.874887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.880420] ? check_preemption_disabled+0x48/0x280 [ 411.885440] irq_exit+0x17f/0x1c0 [ 411.888889] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.894284] ? smp_reschedule_interrupt+0x109/0x650 [ 411.899390] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.905273] ? interrupt_entry+0xb5/0xc0 [ 411.909335] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.914346] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.919361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.924203] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.929216] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.934489] ? task_prio+0x50/0x50 [ 411.938027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.943560] ? check_preemption_disabled+0x48/0x280 [ 411.948593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.953442] apic_timer_interrupt+0xf/0x20 [ 411.957667] [ 411.959987] RIP: 0010:dump_stack+0x358/0x39d [ 411.964394] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 411.983286] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 411.990986] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 411.998252] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 412.005513] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 412.012776] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 412.020037] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 412.027325] ? dump_stack+0x34f/0x39d [ 412.031132] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.036322] ? mark_held_locks+0x130/0x130 [ 412.040550] ? mark_held_locks+0x130/0x130 [ 412.044789] dump_header+0x27b/0xf72 [ 412.048510] ? pagefault_out_of_memory+0x197/0x197 [ 412.053440] ? __lock_acquire+0x62f/0x4c20 [ 412.057672] ? percpu_ref_get_many+0x240/0x240 [ 412.062253] ? print_usage_bug+0xc0/0xc0 [ 412.066314] ? zap_class+0x640/0x640 [ 412.070023] ? print_usage_bug+0xc0/0xc0 [ 412.074078] ? print_usage_bug+0xc0/0xc0 [ 412.078138] ? zap_class+0x640/0x640 [ 412.081851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.087386] ? find_held_lock+0x36/0x1c0 [ 412.091537] ? mark_held_locks+0xc7/0x130 [ 412.095692] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.100791] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.105889] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.110466] ? trace_hardirqs_on+0xbd/0x310 [ 412.114785] ? kasan_check_read+0x11/0x20 [ 412.118926] ? ___ratelimit+0x3b4/0x672 [ 412.122903] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.128000] ? trace_hardirqs_on+0x310/0x310 [ 412.132408] ? lock_downgrade+0x900/0x900 [ 412.136556] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.141666] ? ___ratelimit+0x3b9/0x672 [ 412.145641] ? idr_get_free+0xf70/0xf70 [ 412.149614] ? find_held_lock+0x36/0x1c0 [ 412.153678] oom_kill_process.cold.27+0x10/0x903 [ 412.158430] ? zap_class+0x640/0x640 [ 412.162138] ? check_preemption_disabled+0x48/0x280 [ 412.167154] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.172077] ? kasan_check_read+0x11/0x20 [ 412.176238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.181528] ? oom_evaluate_task+0x540/0x540 [ 412.185941] ? find_held_lock+0x36/0x1c0 [ 412.190005] ? out_of_memory+0x974/0x1430 [ 412.194151] ? lock_downgrade+0x900/0x900 [ 412.198295] ? check_preemption_disabled+0x48/0x280 [ 412.203331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.208253] ? kasan_check_read+0x11/0x20 [ 412.212396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.217859] ? rcu_softirq_qs+0x20/0x20 [ 412.221833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.227364] ? oom_evaluate_task+0x302/0x540 [ 412.231773] out_of_memory+0xa84/0x1430 [ 412.235747] ? oom_killer_disable+0x3a0/0x3a0 [ 412.240240] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 412.245167] ? __ww_mutex_check_waiters+0x160/0x160 [ 412.250197] __alloc_pages_slowpath+0x2354/0x2e10 [ 412.255065] ? warn_alloc+0x120/0x120 [ 412.258873] ? mark_held_locks+0x130/0x130 [ 412.263108] ? find_get_entry+0xaae/0x1120 [ 412.267352] ? filemap_map_pages+0x1a20/0x1a20 [ 412.271946] ? zap_class+0x640/0x640 [ 412.275659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.281190] ? check_preemption_disabled+0x48/0x280 [ 412.286202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.291734] ? should_fail+0x22d/0xd01 [ 412.295625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.300724] ? zap_class+0x640/0x640 [ 412.304454] ? __lock_is_held+0xb5/0x140 [ 412.308521] ? mark_held_locks+0x130/0x130 [ 412.312782] ? lock_release+0xa00/0xa00 [ 412.316778] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.322222] ? xa_load+0x2ba/0x460 [ 412.325755] ? lock_downgrade+0x900/0x900 [ 412.329911] ? __might_sleep+0x95/0x190 [ 412.333885] __alloc_pages_nodemask+0xa80/0xde0 [ 412.338591] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.343606] ? __page_cache_alloc+0x191/0x5c0 [ 412.348096] ? xa_load+0x2e1/0x460 [ 412.351636] ? xa_clear_mark+0x40/0x40 [ 412.355525] ? zap_class+0x640/0x640 [ 412.359247] ? zap_class+0x640/0x640 [ 412.362953] ? zap_class+0x640/0x640 [ 412.366662] ? __do_page_cache_readahead+0x663/0x810 [ 412.371765] ? find_held_lock+0x36/0x1c0 [ 412.375826] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 412.381366] alloc_pages_current+0x173/0x350 [ 412.385773] __page_cache_alloc+0x38c/0x5c0 [ 412.390085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.395010] ? kasan_check_read+0x11/0x20 [ 412.399153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.404433] ? generic_perform_write+0x6a0/0x6a0 [ 412.409184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.414718] ? check_preemption_disabled+0x48/0x280 [ 412.419744] filemap_fault+0x1595/0x25f0 [ 412.423813] ? __lock_page_or_retry+0xa00/0xa00 [ 412.428483] ? mark_held_locks+0x130/0x130 [ 412.432730] ? filemap_map_pages+0xd6b/0x1a20 [ 412.437244] ? lock_downgrade+0x900/0x900 [ 412.441390] ? check_preemption_disabled+0x48/0x280 [ 412.446403] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.451591] ? kasan_check_read+0x11/0x20 [ 412.455733] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.461005] ? rcu_softirq_qs+0x20/0x20 [ 412.464988] ? filemap_map_pages+0xd92/0x1a20 [ 412.469494] ? find_get_entries_tag+0x1400/0x1400 [ 412.474336] ? debug_object_destroy+0x2b0/0x2b0 [ 412.479002] ? lock_pi_update_atomic+0x150/0x150 [ 412.483753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.489298] ? lock_acquire+0x1ed/0x520 [ 412.493267] ? ext4_filemap_fault+0x7a/0xad [ 412.497591] ? lock_release+0xa00/0xa00 [ 412.501567] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.507018] ? print_usage_bug+0xc0/0xc0 [ 412.511075] ? print_usage_bug+0xc0/0xc0 [ 412.515144] ? down_read+0x8d/0x120 [ 412.518764] ? ext4_filemap_fault+0x7a/0xad [ 412.523084] ? __down_interruptible+0x700/0x700 [ 412.527852] ext4_filemap_fault+0x82/0xad [ 412.531997] __do_fault+0x100/0x6b0 [ 412.535630] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.540728] ? mark_held_locks+0x130/0x130 [ 412.544963] ? mark_held_locks+0x130/0x130 [ 412.549215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.554753] ? check_preemption_disabled+0x48/0x280 [ 412.559774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.565311] __handle_mm_fault+0x3ea0/0x5be0 [ 412.569722] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 412.574582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.580122] ? __fpu__restore_sig+0x62f/0x1680 [ 412.584730] ? zap_class+0x640/0x640 [ 412.588438] ? zap_class+0x640/0x640 [ 412.592143] ? __x64_sys_futex+0x53e/0x6a0 [ 412.596377] ? find_held_lock+0x36/0x1c0 [ 412.600456] ? handle_mm_fault+0x42a/0xc70 [ 412.604693] ? lock_downgrade+0x900/0x900 [ 412.608835] ? check_preemption_disabled+0x48/0x280 [ 412.613855] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.618785] ? kasan_check_read+0x11/0x20 [ 412.623104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.628380] ? rcu_softirq_qs+0x20/0x20 [ 412.632353] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.637452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.642983] ? check_preemption_disabled+0x48/0x280 [ 412.648004] handle_mm_fault+0x54f/0xc70 [ 412.652078] ? __handle_mm_fault+0x5be0/0x5be0 [ 412.656662] ? find_vma+0x34/0x190 [ 412.660200] __do_page_fault+0x5e8/0xe60 [ 412.664279] ? trace_hardirqs_off+0xb8/0x310 [ 412.668689] ? exit_to_usermode_loop+0x1f4/0x380 [ 412.673448] do_page_fault+0xf2/0x7e0 [ 412.677249] ? vmalloc_sync_all+0x30/0x30 [ 412.681394] ? error_entry+0x70/0xd0 [ 412.685111] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.690128] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.695052] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.699975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.704815] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.709823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.715272] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.720283] ? page_fault+0x8/0x30 [ 412.724339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.729187] ? page_fault+0x8/0x30 [ 412.732720] page_fault+0x1e/0x30 [ 412.736165] RIP: 0033:0x45ddf3 [ 412.739366] Code: Bad RIP value. [ 412.742763] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 412.748120] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 412.755381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 412.762643] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 412.769906] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 412.777172] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 412.784486] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 412.784491] warn_alloc_show_mem: 1 callbacks suppressed [ 412.784497] Mem-Info: [ 412.791859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.797222] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 412.797222] active_file:14 inactive_file:13 isolated_file:0 [ 412.797222] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.797222] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 412.797222] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 412.797222] free:13747 free_pcp:512 free_cma:0 [ 412.799591] Call Trace: [ 412.808964] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.841803] [ 412.844370] 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 [ 412.872283] dump_stack+0x244/0x39d [ 412.874404] lowmem_reserve[]: 0 2818 6321 6321 [ 412.900510] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.904123] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 412.908710] warn_alloc.cold.116+0xb7/0x1bd [ 412.913859] lowmem_reserve[]: 0 0 3503 3503 [ 412.941180] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.945472] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 412.949792] ? lock_downgrade+0x900/0x900 [ 412.954602] lowmem_reserve[]: 0 0 0 0 [ 412.983573] ? trace_hardirqs_off+0xb8/0x310 [ 412.987690] 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 [ 412.991494] ? trace_hardirqs_off+0xb8/0x310 [ 412.995863] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 413.009387] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.013761] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 413.029037] ? warn_alloc+0x120/0x120 [ 413.033834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.048209] ? print_usage_bug+0xc0/0xc0 [ 413.051985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.060801] ? warn_alloc+0x120/0x120 [ 413.064836] 165 total pagecache pages [ 413.073396] ? warn_alloc+0x120/0x120 [ 413.077172] 0 pages in swap cache [ 413.080970] ? print_usage_bug+0xc0/0xc0 [ 413.084741] Swap cache stats: add 0, delete 0, find 0/0 [ 413.088180] ? kvm_clock_read+0x18/0x30 [ 413.092210] Free swap = 0kB [ 413.097574] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.101522] Total swap = 0kB [ 413.104529] ? print_usage_bug+0xc0/0xc0 [ 413.109536] 1965979 pages RAM [ 413.112717] ? __lock_acquire+0x62f/0x4c20 [ 413.116746] 0 pages HighMem/MovableOnly [ 413.116753] 342855 pages reserved [ 413.119851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.124064] 0 pages cma reserved [ 413.128027] ? should_fail+0x22d/0xd01 [ 413.131535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.136978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.136992] ? __lock_acquire+0x62f/0x4c20 [ 413.137015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.140404] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.144227] ? __lock_acquire+0x62f/0x4c20 [ 413.150692] syz-fuzzer cpuset=/ mems_allowed=0 [ 413.155777] ? should_fail+0x22d/0xd01 [ 413.155802] ? mark_held_locks+0x130/0x130 [ 413.192404] ? mark_held_locks+0x130/0x130 [ 413.196641] ? zap_class+0x640/0x640 [ 413.200351] ? print_usage_bug+0xc0/0xc0 [ 413.204413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.209946] ? check_preemption_disabled+0x48/0x280 [ 413.214969] ? __lock_is_held+0xb5/0x140 [ 413.219034] __alloc_pages_nodemask+0xa80/0xde0 [ 413.223696] ? zap_class+0x640/0x640 [ 413.227407] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.232434] ? find_held_lock+0x36/0x1c0 [ 413.236508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.241176] ? lock_downgrade+0x900/0x900 [ 413.245327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.250862] cache_grow_begin+0xa5/0x8c0 [ 413.254923] ? do_raw_spin_unlock+0xa7/0x330 [ 413.259334] fallback_alloc+0x204/0x2e0 [ 413.263314] ____cache_alloc_node+0x1c7/0x1e0 [ 413.267897] kmem_cache_alloc_node+0xe3/0x730 [ 413.272400] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.276643] __alloc_skb+0x119/0x770 [ 413.280350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.285647] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.290055] ? lock_downgrade+0x900/0x900 [ 413.294220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.299756] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.305511] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.310957] ? addrconf_rs_timer+0x690/0x690 [ 413.315374] ndisc_alloc_skb+0x144/0x340 [ 413.319435] ndisc_send_rs+0x331/0x6e0 [ 413.323325] addrconf_rs_timer+0x314/0x690 [ 413.327558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.331804] call_timer_fn+0x272/0x920 [ 413.335707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.339944] ? process_timeout+0x40/0x40 [ 413.344018] ? __run_timers+0x7da/0xc70 [ 413.347997] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.352490] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.356987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.361218] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.365798] ? trace_hardirqs_on+0xbd/0x310 [ 413.370115] ? kasan_check_read+0x11/0x20 [ 413.374255] ? __run_timers+0x7da/0xc70 [ 413.378227] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.383337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.387568] __run_timers+0x7e5/0xc70 [ 413.391378] ? timer_fixup_init+0x70/0x70 [ 413.395524] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.400536] ? zap_class+0x640/0x640 [ 413.404248] ? enqueue_hrtimer+0x1a5/0x560 [ 413.408480] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.413672] ? find_held_lock+0x36/0x1c0 [ 413.417734] ? zap_class+0x640/0x640 [ 413.421468] ? pvclock_read_flags+0x160/0x160 [ 413.425963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.431498] ? check_preemption_disabled+0x48/0x280 [ 413.436518] ? __lock_is_held+0xb5/0x140 [ 413.440577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.446108] ? check_preemption_disabled+0x48/0x280 [ 413.451123] run_timer_softirq+0x52/0xb0 [ 413.455181] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.460191] __do_softirq+0x308/0xb7e [ 413.463993] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.468482] ? lock_downgrade+0x900/0x900 [ 413.472627] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.477731] ? pvclock_read_flags+0x160/0x160 [ 413.482225] ? lapic_next_event+0x5a/0x90 [ 413.486370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.491907] ? kvm_clock_read+0x18/0x30 [ 413.495874] ? kvm_sched_clock_read+0x9/0x20 [ 413.500280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.505812] ? check_preemption_disabled+0x48/0x280 [ 413.510836] irq_exit+0x17f/0x1c0 [ 413.514288] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.519127] ? smp_reschedule_interrupt+0x109/0x650 [ 413.524137] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.530018] ? interrupt_entry+0xb5/0xc0 [ 413.534074] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.539093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.544111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.548947] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.553964] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.558993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.563838] apic_timer_interrupt+0xf/0x20 [ 413.568061] [ 413.570301] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.575399] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 413.594311] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.602103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.609366] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 413.616632] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 413.623906] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.631169] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 413.638475] skb_clone+0x1bb/0x500 [ 413.642013] ? finish_task_switch+0x2f4/0x910 [ 413.646509] ? skb_split+0x11e0/0x11e0 [ 413.650396] ? preempt_notifier_register+0x200/0x200 [ 413.655595] ? __switch_to_asm+0x34/0x70 [ 413.659651] ? __switch_to_asm+0x34/0x70 [ 413.663704] ? __switch_to_asm+0x40/0x70 [ 413.667759] ? __switch_to_asm+0x34/0x70 [ 413.671901] ? __switch_to_asm+0x40/0x70 [ 413.675962] ? __switch_to_asm+0x34/0x70 [ 413.680021] ? __switch_to_asm+0x40/0x70 [ 413.684078] ? __switch_to_asm+0x34/0x70 [ 413.688136] ? __switch_to_asm+0x34/0x70 [ 413.692192] ? __switch_to_asm+0x40/0x70 [ 413.696248] ? __switch_to_asm+0x34/0x70 [ 413.700310] bpf_clone_redirect+0xb9/0x490 [ 413.704538] ? __schedule+0x8d7/0x21d0 [ 413.708436] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 413.713452] ? __sched_text_start+0x8/0x8 [ 413.717598] ? retint_kernel+0x2d/0x2d [ 413.721479] ? trace_hardirqs_on_caller+0xc0/0x310 [ 413.726408] ? find_held_lock+0x36/0x1c0 [ 413.730481] ? lock_acquire+0x1ed/0x520 [ 413.734451] ? bpf_test_run+0x3cb/0x780 [ 413.738429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.743968] ? check_preemption_disabled+0x48/0x280 [ 413.749158] ? kasan_check_read+0x11/0x20 [ 413.753301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.758577] ? rcu_softirq_qs+0x20/0x20 [ 413.762547] ? preempt_schedule+0x4d/0x60 [ 413.766689] ? ___preempt_schedule+0x16/0x18 [ 413.771106] ? bpf_test_run+0x25d/0x780 [ 413.775085] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.779491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.785024] ? bpf_test_init.isra.10+0x70/0x100 [ 413.789694] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 413.794457] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 413.799295] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.804825] ? fput+0x130/0x1a0 [ 413.808106] ? __bpf_prog_get+0x9b/0x290 [ 413.812166] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 413.817004] ? bpf_prog_test_run+0x130/0x1a0 [ 413.821419] ? __x64_sys_bpf+0x3d8/0x520 [ 413.825474] ? bpf_prog_get+0x20/0x20 [ 413.829291] ? do_syscall_64+0x1b9/0x820 [ 413.833346] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.838705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.843632] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.848644] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.853656] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 413.860328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.865173] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.870548] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 413.870611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.877559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.877564] Call Trace: [ 413.877570] [ 413.877587] dump_stack+0x244/0x39d [ 413.877605] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.884142] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.893814] warn_alloc.cold.116+0xb7/0x1bd [ 413.896385] syz-executor4 cpuset=syz4 mems_allowed=0 [ 413.898528] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.931978] ? lock_downgrade+0x900/0x900 [ 413.936129] ? trace_hardirqs_off+0xb8/0x310 [ 413.940537] ? trace_hardirqs_off+0xb8/0x310 [ 413.944950] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.949814] ? warn_alloc+0x120/0x120 [ 413.953610] ? print_usage_bug+0xc0/0xc0 [ 413.957667] ? warn_alloc+0x120/0x120 [ 413.961558] ? warn_alloc+0x120/0x120 [ 413.965356] ? print_usage_bug+0xc0/0xc0 [ 413.969424] ? print_usage_bug+0xc0/0xc0 [ 413.973485] ? __lock_acquire+0x62f/0x4c20 [ 413.977719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.983252] ? should_fail+0x22d/0xd01 [ 413.987137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.992241] ? __lock_acquire+0x62f/0x4c20 [ 413.996473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.001570] ? __lock_acquire+0x62f/0x4c20 [ 414.005797] ? should_fail+0x22d/0xd01 [ 414.009679] ? find_held_lock+0x36/0x1c0 [ 414.013745] ? mark_held_locks+0x130/0x130 [ 414.017978] ? mark_held_locks+0x130/0x130 [ 414.022204] ? zap_class+0x640/0x640 [ 414.026092] ? zap_class+0x640/0x640 [ 414.029808] ? print_usage_bug+0xc0/0xc0 [ 414.033865] ? do_raw_spin_unlock+0xa7/0x330 [ 414.038268] ? zap_class+0x640/0x640 [ 414.041976] ? print_usage_bug+0xc0/0xc0 [ 414.046031] ? wq_watchdog_touch+0x9c/0xfe [ 414.050262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.055795] ? check_preemption_disabled+0x48/0x280 [ 414.060818] ? __lock_is_held+0xb5/0x140 [ 414.064885] __alloc_pages_nodemask+0xa80/0xde0 [ 414.069547] ? zap_class+0x640/0x640 [ 414.073263] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.078296] ? find_held_lock+0x36/0x1c0 [ 414.082365] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.087034] ? lock_downgrade+0x900/0x900 [ 414.091183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.096723] cache_grow_begin+0xa5/0x8c0 [ 414.100781] ? do_raw_spin_unlock+0xa7/0x330 [ 414.105191] fallback_alloc+0x204/0x2e0 [ 414.109164] ____cache_alloc_node+0x1c7/0x1e0 [ 414.113658] kmem_cache_alloc_node+0xe3/0x730 [ 414.118148] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.122395] __alloc_skb+0x119/0x770 [ 414.126110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.131395] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.135804] ? lock_downgrade+0x900/0x900 [ 414.139957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.145488] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.150941] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.156391] ? addrconf_rs_timer+0x690/0x690 [ 414.160812] ndisc_alloc_skb+0x144/0x340 [ 414.164871] ndisc_send_rs+0x331/0x6e0 [ 414.168757] addrconf_rs_timer+0x314/0x690 [ 414.172994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.177237] call_timer_fn+0x272/0x920 [ 414.181117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.185346] ? process_timeout+0x40/0x40 [ 414.189424] ? mark_held_locks+0xc7/0x130 [ 414.193571] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.198059] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.202545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.206777] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.211353] ? trace_hardirqs_on+0xbd/0x310 [ 414.215687] ? kasan_check_read+0x11/0x20 [ 414.219827] ? __run_timers+0x7da/0xc70 [ 414.223798] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.228900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.233138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.237368] __run_timers+0x7e5/0xc70 [ 414.241182] ? timer_fixup_init+0x70/0x70 [ 414.245325] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.250346] ? zap_class+0x640/0x640 [ 414.254066] ? print_usage_bug+0xc0/0xc0 [ 414.258123] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 414.263312] ? find_held_lock+0x36/0x1c0 [ 414.267378] ? zap_class+0x640/0x640 [ 414.271097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.276629] ? check_preemption_disabled+0x48/0x280 [ 414.281651] ? __lock_is_held+0xb5/0x140 [ 414.285707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.291238] ? check_preemption_disabled+0x48/0x280 [ 414.296254] run_timer_softirq+0x52/0xb0 [ 414.300311] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.305323] __do_softirq+0x308/0xb7e [ 414.309125] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 414.313616] ? lock_downgrade+0x900/0x900 [ 414.317764] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.322868] ? pvclock_read_flags+0x160/0x160 [ 414.327359] ? lapic_next_event+0x5a/0x90 [ 414.331515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.337055] ? kvm_clock_read+0x18/0x30 [ 414.341027] ? kvm_sched_clock_read+0x9/0x20 [ 414.345436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.350972] ? check_preemption_disabled+0x48/0x280 [ 414.355994] irq_exit+0x17f/0x1c0 [ 414.359447] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.364294] ? smp_reschedule_interrupt+0x109/0x650 [ 414.369308] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.375189] ? interrupt_entry+0xb5/0xc0 [ 414.379249] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.384257] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.389270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.394193] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.399201] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.404211] ? task_prio+0x50/0x50 [ 414.407750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.413281] ? check_preemption_disabled+0x48/0x280 [ 414.418300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.423146] apic_timer_interrupt+0xf/0x20 [ 414.427376] [ 414.429612] RIP: 0010:dump_stack+0x358/0x39d [ 414.434020] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 414.452912] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 414.460618] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 414.467883] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 414.475144] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 414.482404] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 414.489664] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 414.496947] ? dump_stack+0x34f/0x39d [ 414.500757] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.505944] ? mark_held_locks+0x130/0x130 [ 414.510176] ? mark_held_locks+0x130/0x130 [ 414.514409] dump_header+0x27b/0xf72 [ 414.518129] ? pagefault_out_of_memory+0x197/0x197 [ 414.523059] ? __lock_acquire+0x62f/0x4c20 [ 414.527290] ? percpu_ref_get_many+0x240/0x240 [ 414.531868] ? print_usage_bug+0xc0/0xc0 [ 414.535927] ? zap_class+0x640/0x640 [ 414.539635] ? print_usage_bug+0xc0/0xc0 [ 414.543691] ? print_usage_bug+0xc0/0xc0 [ 414.547747] ? zap_class+0x640/0x640 [ 414.551460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.556997] ? find_held_lock+0x36/0x1c0 [ 414.561061] ? mark_held_locks+0xc7/0x130 [ 414.565206] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.570305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.575406] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.579986] ? trace_hardirqs_on+0xbd/0x310 [ 414.584304] ? kasan_check_read+0x11/0x20 [ 414.588442] ? ___ratelimit+0x3b4/0x672 [ 414.592414] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.597515] ? trace_hardirqs_on+0x310/0x310 [ 414.601917] ? lock_downgrade+0x900/0x900 [ 414.606070] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.611168] ? ___ratelimit+0x3b9/0x672 [ 414.615138] ? idr_get_free+0xf70/0xf70 [ 414.619106] ? find_held_lock+0x36/0x1c0 [ 414.623172] oom_kill_process.cold.27+0x10/0x903 [ 414.627922] ? zap_class+0x640/0x640 [ 414.631633] ? check_preemption_disabled+0x48/0x280 [ 414.636645] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.641570] ? kasan_check_read+0x11/0x20 [ 414.645715] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.650988] ? oom_evaluate_task+0x540/0x540 [ 414.655397] ? find_held_lock+0x36/0x1c0 [ 414.659462] ? out_of_memory+0x974/0x1430 [ 414.663604] ? lock_downgrade+0x900/0x900 [ 414.667744] ? check_preemption_disabled+0x48/0x280 [ 414.672756] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.677679] ? kasan_check_read+0x11/0x20 [ 414.681822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.687094] ? rcu_softirq_qs+0x20/0x20 [ 414.691086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.696617] ? oom_evaluate_task+0x302/0x540 [ 414.701027] out_of_memory+0xa84/0x1430 [ 414.705007] ? oom_killer_disable+0x3a0/0x3a0 [ 414.709498] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 414.714429] ? __ww_mutex_check_waiters+0x160/0x160 [ 414.719448] __alloc_pages_slowpath+0x2354/0x2e10 [ 414.724786] ? warn_alloc+0x120/0x120 [ 414.728587] ? mark_held_locks+0x130/0x130 [ 414.732823] ? find_get_entry+0xaae/0x1120 [ 414.737064] ? filemap_map_pages+0x1a20/0x1a20 [ 414.741646] ? zap_class+0x640/0x640 [ 414.745379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.750915] ? check_preemption_disabled+0x48/0x280 [ 414.755924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.761455] ? should_fail+0x22d/0xd01 [ 414.765347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.770475] ? zap_class+0x640/0x640 [ 414.774205] ? __lock_is_held+0xb5/0x140 [ 414.778267] ? mark_held_locks+0x130/0x130 [ 414.782515] ? lock_release+0xa00/0xa00 [ 414.786486] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.791930] ? xa_load+0x2ba/0x460 [ 414.795469] ? lock_downgrade+0x900/0x900 [ 414.799616] ? __might_sleep+0x95/0x190 [ 414.803591] __alloc_pages_nodemask+0xa80/0xde0 [ 414.808261] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.813271] ? __page_cache_alloc+0x191/0x5c0 [ 414.817772] ? xa_load+0x2e1/0x460 [ 414.821310] ? xa_clear_mark+0x40/0x40 [ 414.825204] ? zap_class+0x640/0x640 [ 414.828919] ? zap_class+0x640/0x640 [ 414.832625] ? zap_class+0x640/0x640 [ 414.836339] ? __do_page_cache_readahead+0x663/0x810 [ 414.841448] ? find_held_lock+0x36/0x1c0 [ 414.845508] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.851045] alloc_pages_current+0x173/0x350 [ 414.855456] __page_cache_alloc+0x38c/0x5c0 [ 414.859772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.864699] ? kasan_check_read+0x11/0x20 [ 414.868842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.874117] ? generic_perform_write+0x6a0/0x6a0 [ 414.878872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.884403] ? check_preemption_disabled+0x48/0x280 [ 414.889423] filemap_fault+0x1595/0x25f0 [ 414.893489] ? __lock_page_or_retry+0xa00/0xa00 [ 414.898155] ? mark_held_locks+0x130/0x130 [ 414.902394] ? filemap_map_pages+0xd6b/0x1a20 [ 414.906885] ? lock_downgrade+0x900/0x900 [ 414.911029] ? check_preemption_disabled+0x48/0x280 [ 414.916043] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.920964] ? kasan_check_read+0x11/0x20 [ 414.925106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.930374] ? rcu_softirq_qs+0x20/0x20 [ 414.934361] ? filemap_map_pages+0xd92/0x1a20 [ 414.938867] ? find_get_entries_tag+0x1400/0x1400 [ 414.943708] ? debug_object_destroy+0x2b0/0x2b0 [ 414.948374] ? lock_pi_update_atomic+0x150/0x150 [ 414.953122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.958665] ? lock_acquire+0x1ed/0x520 [ 414.962633] ? ext4_filemap_fault+0x7a/0xad [ 414.966954] ? lock_release+0xa00/0xa00 [ 414.970922] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.976371] ? print_usage_bug+0xc0/0xc0 [ 414.980428] ? print_usage_bug+0xc0/0xc0 [ 414.984497] ? down_read+0x8d/0x120 [ 414.988115] ? ext4_filemap_fault+0x7a/0xad [ 414.992433] ? __down_interruptible+0x700/0x700 [ 414.997109] ext4_filemap_fault+0x82/0xad [ 415.001253] __do_fault+0x100/0x6b0 [ 415.004879] ? pmd_devmap_trans_unstable+0x220/0x220 [ 415.009982] ? mark_held_locks+0x130/0x130 [ 415.014214] ? mark_held_locks+0x130/0x130 [ 415.018445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.023976] ? check_preemption_disabled+0x48/0x280 [ 415.028991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.034525] __handle_mm_fault+0x3ea0/0x5be0 [ 415.038936] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 415.043777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.049317] ? __fpu__restore_sig+0x62f/0x1680 [ 415.053918] ? zap_class+0x640/0x640 [ 415.057626] ? zap_class+0x640/0x640 [ 415.061336] ? __x64_sys_futex+0x53e/0x6a0 [ 415.065572] ? find_held_lock+0x36/0x1c0 [ 415.069635] ? handle_mm_fault+0x42a/0xc70 [ 415.073865] ? lock_downgrade+0x900/0x900 [ 415.078005] ? check_preemption_disabled+0x48/0x280 [ 415.083017] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.087940] ? kasan_check_read+0x11/0x20 [ 415.092081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.097352] ? rcu_softirq_qs+0x20/0x20 [ 415.101325] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.106421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.111950] ? check_preemption_disabled+0x48/0x280 [ 415.116967] handle_mm_fault+0x54f/0xc70 [ 415.121031] ? __handle_mm_fault+0x5be0/0x5be0 [ 415.125613] ? find_vma+0x34/0x190 [ 415.129152] __do_page_fault+0x5e8/0xe60 [ 415.133205] ? trace_hardirqs_off+0xb8/0x310 [ 415.137607] ? exit_to_usermode_loop+0x1f4/0x380 [ 415.142369] do_page_fault+0xf2/0x7e0 [ 415.146165] ? vmalloc_sync_all+0x30/0x30 [ 415.150319] ? error_entry+0x70/0xd0 [ 415.154028] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.159053] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.163990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.168914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.173755] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.178764] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.184212] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.189224] ? page_fault+0x8/0x30 [ 415.192759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.197603] ? page_fault+0x8/0x30 [ 415.201138] page_fault+0x1e/0x30 [ 415.204584] RIP: 0033:0x45ddf3 [ 415.207786] Code: Bad RIP value. [ 415.211141] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 415.216497] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 415.223762] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 415.231027] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 415.238295] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 415.245563] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 415.252848] warn_alloc_show_mem: 1 callbacks suppressed [ 415.252858] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 415.252859] Mem-Info: [ 415.252890] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 415.252890] active_file:14 inactive_file:13 isolated_file:0 [ 415.252890] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.252890] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 415.252890] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 415.252890] free:13747 free_pcp:512 free_cma:0 [ 415.258221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.265597] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.267984] Call Trace: [ 415.300840] 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 [ 415.310180] [ 415.337654] lowmem_reserve[]: 0 2818 6321 6321 [ 415.340231] dump_stack+0x244/0x39d [ 415.366313] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 415.368458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.373004] lowmem_reserve[]: 0 0 3503 3503 [ 415.376632] warn_alloc.cold.116+0xb7/0x1bd [ 415.404006] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 415.409188] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.413478] lowmem_reserve[]: 0 0 0 0 [ 415.417797] ? lock_downgrade+0x900/0x900 [ 415.446733] 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 [ 415.451572] ? trace_hardirqs_off+0xb8/0x310 [ 415.455338] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 415.459479] ? trace_hardirqs_off+0xb8/0x310 [ 415.472967] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 415.477381] __alloc_pages_slowpath+0x26e8/0x2e10 [ 415.492613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.497028] ? warn_alloc+0x120/0x120 [ 415.511371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.516196] ? print_usage_bug+0xc0/0xc0 [ 415.525010] 165 total pagecache pages [ 415.528799] ? warn_alloc+0x120/0x120 [ 415.537350] 0 pages in swap cache [ 415.541393] ? warn_alloc+0x120/0x120 [ 415.545165] Swap cache stats: add 0, delete 0, find 0/0 [ 415.548952] ? print_usage_bug+0xc0/0xc0 [ 415.552374] Free swap = 0kB [ 415.556164] ? kvm_clock_read+0x18/0x30 [ 415.561493] Total swap = 0kB [ 415.565542] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.568532] 1965979 pages RAM [ 415.572494] ? print_usage_bug+0xc0/0xc0 [ 415.575486] 0 pages HighMem/MovableOnly [ 415.580488] ? __lock_acquire+0x62f/0x4c20 [ 415.583563] 342855 pages reserved [ 415.583570] 0 pages cma reserved [ 415.587619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.591618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.595786] ? should_fail+0x22d/0xd01 [ 415.595798] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.595815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.599318] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.602620] ? __lock_acquire+0x62f/0x4c20 [ 415.608128] syz-fuzzer cpuset=/ mems_allowed=0 [ 415.614609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.652908] ? __lock_acquire+0x62f/0x4c20 [ 415.657138] ? should_fail+0x22d/0xd01 [ 415.661713] ? rcu_irq_exit+0x1a2/0x390 [ 415.665706] ? mark_held_locks+0x130/0x130 [ 415.669940] ? mark_held_locks+0x130/0x130 [ 415.674173] ? mark_held_locks+0xc7/0x130 [ 415.678315] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 415.683334] ? zap_class+0x640/0x640 [ 415.687053] ? print_usage_bug+0xc0/0xc0 [ 415.691117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.696648] ? check_preemption_disabled+0x48/0x280 [ 415.701670] ? __lock_is_held+0xb5/0x140 [ 415.705731] __alloc_pages_nodemask+0xa80/0xde0 [ 415.710396] ? zap_class+0x640/0x640 [ 415.714115] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 415.719140] ? find_held_lock+0x36/0x1c0 [ 415.723205] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.727877] ? lock_downgrade+0x900/0x900 [ 415.732033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.737570] cache_grow_begin+0xa5/0x8c0 [ 415.741624] ? do_raw_spin_unlock+0xa7/0x330 [ 415.746038] fallback_alloc+0x204/0x2e0 [ 415.750012] ____cache_alloc_node+0x1c7/0x1e0 [ 415.754510] kmem_cache_alloc_node+0xe3/0x730 [ 415.759000] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.763247] __alloc_skb+0x119/0x770 [ 415.766965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.772246] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.776651] ? lock_downgrade+0x900/0x900 [ 415.780803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.786333] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.791783] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.797239] ? addrconf_rs_timer+0x690/0x690 [ 415.801653] ndisc_alloc_skb+0x144/0x340 [ 415.805711] ndisc_send_rs+0x331/0x6e0 [ 415.809610] addrconf_rs_timer+0x314/0x690 [ 415.813844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.818082] call_timer_fn+0x272/0x920 [ 415.821967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.826198] ? process_timeout+0x40/0x40 [ 415.830267] ? __run_timers+0x7da/0xc70 [ 415.834249] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.838741] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.843237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.847467] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.852056] ? trace_hardirqs_on+0xbd/0x310 [ 415.856375] ? kasan_check_read+0x11/0x20 [ 415.860515] ? __run_timers+0x7da/0xc70 [ 415.864485] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.869584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.873818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.878045] __run_timers+0x7e5/0xc70 [ 415.881854] ? timer_fixup_init+0x70/0x70 [ 415.885999] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.891479] ? zap_class+0x640/0x640 [ 415.895196] ? enqueue_hrtimer+0x1a5/0x560 [ 415.899440] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.904630] ? find_held_lock+0x36/0x1c0 [ 415.908690] ? zap_class+0x640/0x640 [ 415.912405] ? pvclock_read_flags+0x160/0x160 [ 415.916900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.922435] ? check_preemption_disabled+0x48/0x280 [ 415.927453] ? __lock_is_held+0xb5/0x140 [ 415.931507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.937037] ? check_preemption_disabled+0x48/0x280 [ 415.942051] run_timer_softirq+0x52/0xb0 [ 415.946109] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.951122] __do_softirq+0x308/0xb7e [ 415.954922] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.959410] ? lock_downgrade+0x900/0x900 [ 415.963554] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.968663] ? pvclock_read_flags+0x160/0x160 [ 415.973155] ? lapic_next_event+0x5a/0x90 [ 415.977298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.982832] ? kvm_clock_read+0x18/0x30 [ 415.986799] ? kvm_sched_clock_read+0x9/0x20 [ 415.991206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.996796] ? check_preemption_disabled+0x48/0x280 [ 416.001817] irq_exit+0x17f/0x1c0 [ 416.005268] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.010106] ? smp_reschedule_interrupt+0x109/0x650 [ 416.015117] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.021010] ? interrupt_entry+0xb5/0xc0 [ 416.025069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.030082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.035097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.039934] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.044946] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.049967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.054826] apic_timer_interrupt+0xf/0x20 [ 416.059053] [ 416.061285] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.066219] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 416.085116] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.092816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.100079] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 416.107341] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 416.114605] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.121871] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 416.129172] skb_clone+0x1bb/0x500 [ 416.132714] ? finish_task_switch+0x2f4/0x910 [ 416.137217] ? skb_split+0x11e0/0x11e0 [ 416.141105] ? preempt_notifier_register+0x200/0x200 [ 416.146209] ? __switch_to_asm+0x34/0x70 [ 416.150264] ? __switch_to_asm+0x34/0x70 [ 416.154321] ? __switch_to_asm+0x40/0x70 [ 416.158391] ? __switch_to_asm+0x34/0x70 [ 416.162712] ? __switch_to_asm+0x40/0x70 [ 416.166776] ? __switch_to_asm+0x34/0x70 [ 416.170833] ? __switch_to_asm+0x40/0x70 [ 416.174892] ? __switch_to_asm+0x34/0x70 [ 416.178953] ? __switch_to_asm+0x34/0x70 [ 416.183007] ? __switch_to_asm+0x40/0x70 [ 416.187063] ? __switch_to_asm+0x34/0x70 [ 416.191124] bpf_clone_redirect+0xb9/0x490 [ 416.195356] ? __schedule+0x8d7/0x21d0 [ 416.199245] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 416.204275] ? __sched_text_start+0x8/0x8 [ 416.208419] ? retint_kernel+0x2d/0x2d [ 416.212300] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.217234] ? find_held_lock+0x36/0x1c0 [ 416.221304] ? lock_acquire+0x1ed/0x520 [ 416.225275] ? bpf_test_run+0x3cb/0x780 [ 416.229244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.234778] ? check_preemption_disabled+0x48/0x280 [ 416.239794] ? kasan_check_read+0x11/0x20 [ 416.243940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.249219] ? rcu_softirq_qs+0x20/0x20 [ 416.253198] ? preempt_schedule+0x4d/0x60 [ 416.257341] ? ___preempt_schedule+0x16/0x18 [ 416.261752] ? bpf_test_run+0x25d/0x780 [ 416.265736] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.270144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.275672] ? bpf_test_init.isra.10+0x70/0x100 [ 416.280343] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 416.285105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.289955] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.295486] ? fput+0x130/0x1a0 [ 416.298761] ? __bpf_prog_get+0x9b/0x290 [ 416.302821] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.307654] ? bpf_prog_test_run+0x130/0x1a0 [ 416.312064] ? __x64_sys_bpf+0x3d8/0x520 [ 416.316123] ? bpf_prog_get+0x20/0x20 [ 416.319940] ? do_syscall_64+0x1b9/0x820 [ 416.324005] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.329365] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.334295] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.339312] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.344328] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 416.350995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.355842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.361227] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 416.361288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.368240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.368245] Call Trace: [ 416.368251] [ 416.368267] dump_stack+0x244/0x39d [ 416.368287] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.374821] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.384107] warn_alloc.cold.116+0xb7/0x1bd [ 416.386654] syz-executor4 cpuset=syz4 mems_allowed=0 [ 416.388795] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.422259] ? lock_downgrade+0x900/0x900 [ 416.426407] ? trace_hardirqs_off+0xb8/0x310 [ 416.430816] ? trace_hardirqs_off+0xb8/0x310 [ 416.435233] __alloc_pages_slowpath+0x26e8/0x2e10 [ 416.440094] ? warn_alloc+0x120/0x120 [ 416.443892] ? print_usage_bug+0xc0/0xc0 [ 416.447954] ? warn_alloc+0x120/0x120 [ 416.451758] ? warn_alloc+0x120/0x120 [ 416.455555] ? print_usage_bug+0xc0/0xc0 [ 416.459620] ? print_usage_bug+0xc0/0xc0 [ 416.463686] ? __lock_acquire+0x62f/0x4c20 [ 416.467925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.473462] ? should_fail+0x22d/0xd01 [ 416.477347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.482449] ? __lock_acquire+0x62f/0x4c20 [ 416.486682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.491866] ? __lock_acquire+0x62f/0x4c20 [ 416.496094] ? should_fail+0x22d/0xd01 [ 416.499977] ? find_held_lock+0x36/0x1c0 [ 416.504042] ? mark_held_locks+0x130/0x130 [ 416.508274] ? mark_held_locks+0x130/0x130 [ 416.512500] ? zap_class+0x640/0x640 [ 416.516213] ? zap_class+0x640/0x640 [ 416.519924] ? print_usage_bug+0xc0/0xc0 [ 416.523981] ? do_raw_spin_unlock+0xa7/0x330 [ 416.528387] ? zap_class+0x640/0x640 [ 416.532108] ? print_usage_bug+0xc0/0xc0 [ 416.536180] ? wq_watchdog_touch+0x9c/0xfe [ 416.540416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.545949] ? check_preemption_disabled+0x48/0x280 [ 416.550973] ? __lock_is_held+0xb5/0x140 [ 416.555034] __alloc_pages_nodemask+0xa80/0xde0 [ 416.559699] ? zap_class+0x640/0x640 [ 416.563414] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.568437] ? find_held_lock+0x36/0x1c0 [ 416.572502] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.577180] ? lock_downgrade+0x900/0x900 [ 416.581334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.586871] cache_grow_begin+0xa5/0x8c0 [ 416.590927] ? do_raw_spin_unlock+0xa7/0x330 [ 416.595335] fallback_alloc+0x204/0x2e0 [ 416.599312] ____cache_alloc_node+0x1c7/0x1e0 [ 416.603808] kmem_cache_alloc_node+0xe3/0x730 [ 416.608319] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.612557] __alloc_skb+0x119/0x770 [ 416.616268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.621544] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.625951] ? lock_downgrade+0x900/0x900 [ 416.630102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.635636] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.641087] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.646531] ? addrconf_rs_timer+0x690/0x690 [ 416.650948] ndisc_alloc_skb+0x144/0x340 [ 416.655007] ndisc_send_rs+0x331/0x6e0 [ 416.658899] addrconf_rs_timer+0x314/0x690 [ 416.663137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.667383] call_timer_fn+0x272/0x920 [ 416.671262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.675493] ? process_timeout+0x40/0x40 [ 416.679558] ? mark_held_locks+0xc7/0x130 [ 416.683709] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.688203] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.692694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.696924] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.701592] ? trace_hardirqs_on+0xbd/0x310 [ 416.705910] ? kasan_check_read+0x11/0x20 [ 416.710050] ? __run_timers+0x7da/0xc70 [ 416.714022] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.719124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.723882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.728113] __run_timers+0x7e5/0xc70 [ 416.731929] ? timer_fixup_init+0x70/0x70 [ 416.736072] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.741086] ? zap_class+0x640/0x640 [ 416.744798] ? print_usage_bug+0xc0/0xc0 [ 416.748857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.754050] ? find_held_lock+0x36/0x1c0 [ 416.758113] ? zap_class+0x640/0x640 [ 416.761833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.767372] ? check_preemption_disabled+0x48/0x280 [ 416.772396] ? __lock_is_held+0xb5/0x140 [ 416.776452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.781984] ? check_preemption_disabled+0x48/0x280 [ 416.787000] run_timer_softirq+0x52/0xb0 [ 416.791060] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.796077] __do_softirq+0x308/0xb7e [ 416.799877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.804370] ? lock_downgrade+0x900/0x900 [ 416.808515] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.813631] ? pvclock_read_flags+0x160/0x160 [ 416.818122] ? lapic_next_event+0x5a/0x90 [ 416.822279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.827814] ? kvm_clock_read+0x18/0x30 [ 416.831784] ? kvm_sched_clock_read+0x9/0x20 [ 416.836189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.841720] ? check_preemption_disabled+0x48/0x280 [ 416.846743] irq_exit+0x17f/0x1c0 [ 416.850193] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.855034] ? smp_reschedule_interrupt+0x109/0x650 [ 416.860050] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.865932] ? interrupt_entry+0xb5/0xc0 [ 416.869996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.875009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.880022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.884860] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.889869] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.894883] ? task_prio+0x50/0x50 [ 416.898420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.903954] ? check_preemption_disabled+0x48/0x280 [ 416.908971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.913813] apic_timer_interrupt+0xf/0x20 [ 416.918039] [ 416.920272] RIP: 0010:dump_stack+0x358/0x39d [ 416.924674] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 416.943564] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.951264] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 416.958529] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 416.965795] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 416.973056] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 416.980321] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 416.987608] ? dump_stack+0x34f/0x39d [ 416.991417] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.996608] ? mark_held_locks+0x130/0x130 [ 417.000836] ? mark_held_locks+0x130/0x130 [ 417.005070] dump_header+0x27b/0xf72 [ 417.008787] ? pagefault_out_of_memory+0x197/0x197 [ 417.013718] ? __lock_acquire+0x62f/0x4c20 [ 417.017962] ? percpu_ref_get_many+0x240/0x240 [ 417.022545] ? print_usage_bug+0xc0/0xc0 [ 417.026608] ? zap_class+0x640/0x640 [ 417.030320] ? print_usage_bug+0xc0/0xc0 [ 417.034376] ? print_usage_bug+0xc0/0xc0 [ 417.038434] ? zap_class+0x640/0x640 [ 417.042159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.047695] ? find_held_lock+0x36/0x1c0 [ 417.051761] ? mark_held_locks+0xc7/0x130 [ 417.055911] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.061012] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.066109] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.070700] ? trace_hardirqs_on+0xbd/0x310 [ 417.075016] ? kasan_check_read+0x11/0x20 [ 417.079161] ? ___ratelimit+0x3b4/0x672 [ 417.083146] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.088244] ? trace_hardirqs_on+0x310/0x310 [ 417.092646] ? lock_downgrade+0x900/0x900 [ 417.096794] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.102326] ? ___ratelimit+0x3b9/0x672 [ 417.106301] ? idr_get_free+0xf70/0xf70 [ 417.110270] ? find_held_lock+0x36/0x1c0 [ 417.114339] oom_kill_process.cold.27+0x10/0x903 [ 417.119088] ? zap_class+0x640/0x640 [ 417.122806] ? check_preemption_disabled+0x48/0x280 [ 417.127832] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.132756] ? kasan_check_read+0x11/0x20 [ 417.136898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.142172] ? oom_evaluate_task+0x540/0x540 [ 417.146578] ? find_held_lock+0x36/0x1c0 [ 417.150649] ? out_of_memory+0x974/0x1430 [ 417.154796] ? lock_downgrade+0x900/0x900 [ 417.158937] ? check_preemption_disabled+0x48/0x280 [ 417.163951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.168876] ? kasan_check_read+0x11/0x20 [ 417.173018] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.178288] ? rcu_softirq_qs+0x20/0x20 [ 417.182266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.187795] ? oom_evaluate_task+0x302/0x540 [ 417.192202] out_of_memory+0xa84/0x1430 [ 417.196178] ? oom_killer_disable+0x3a0/0x3a0 [ 417.200670] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 417.205601] ? __ww_mutex_check_waiters+0x160/0x160 [ 417.210622] __alloc_pages_slowpath+0x2354/0x2e10 [ 417.215486] ? warn_alloc+0x120/0x120 [ 417.219279] ? mark_held_locks+0x130/0x130 [ 417.223516] ? find_get_entry+0xaae/0x1120 [ 417.227750] ? filemap_map_pages+0x1a20/0x1a20 [ 417.232328] ? zap_class+0x640/0x640 [ 417.236043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.241578] ? check_preemption_disabled+0x48/0x280 [ 417.246586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.252127] ? should_fail+0x22d/0xd01 [ 417.256014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.261117] ? zap_class+0x640/0x640 [ 417.264855] ? __lock_is_held+0xb5/0x140 [ 417.268919] ? mark_held_locks+0x130/0x130 [ 417.273152] ? lock_release+0xa00/0xa00 [ 417.277135] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.282583] ? xa_load+0x2ba/0x460 [ 417.286128] ? lock_downgrade+0x900/0x900 [ 417.290274] ? __might_sleep+0x95/0x190 [ 417.294248] __alloc_pages_nodemask+0xa80/0xde0 [ 417.298918] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.303933] ? __page_cache_alloc+0x191/0x5c0 [ 417.308424] ? xa_load+0x2e1/0x460 [ 417.311960] ? xa_clear_mark+0x40/0x40 [ 417.315848] ? zap_class+0x640/0x640 [ 417.319567] ? zap_class+0x640/0x640 [ 417.323276] ? zap_class+0x640/0x640 [ 417.327113] ? __do_page_cache_readahead+0x663/0x810 [ 417.332224] ? find_held_lock+0x36/0x1c0 [ 417.336286] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 417.341823] alloc_pages_current+0x173/0x350 [ 417.346233] __page_cache_alloc+0x38c/0x5c0 [ 417.350550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.355476] ? kasan_check_read+0x11/0x20 [ 417.359706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.364978] ? generic_perform_write+0x6a0/0x6a0 [ 417.369732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.375271] ? check_preemption_disabled+0x48/0x280 [ 417.380287] filemap_fault+0x1595/0x25f0 [ 417.384356] ? __lock_page_or_retry+0xa00/0xa00 [ 417.389024] ? mark_held_locks+0x130/0x130 [ 417.393262] ? filemap_map_pages+0xd6b/0x1a20 [ 417.397752] ? lock_downgrade+0x900/0x900 [ 417.401894] ? check_preemption_disabled+0x48/0x280 [ 417.406908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.411835] ? kasan_check_read+0x11/0x20 [ 417.415977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.421248] ? rcu_softirq_qs+0x20/0x20 [ 417.425228] ? filemap_map_pages+0xd92/0x1a20 [ 417.429747] ? find_get_entries_tag+0x1400/0x1400 [ 417.434587] ? debug_object_destroy+0x2b0/0x2b0 [ 417.439251] ? lock_pi_update_atomic+0x150/0x150 [ 417.443997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.449540] ? lock_acquire+0x1ed/0x520 [ 417.453509] ? ext4_filemap_fault+0x7a/0xad [ 417.457834] ? lock_release+0xa00/0xa00 [ 417.461802] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.467249] ? print_usage_bug+0xc0/0xc0 [ 417.471304] ? print_usage_bug+0xc0/0xc0 [ 417.475459] ? down_read+0x8d/0x120 [ 417.479089] ? ext4_filemap_fault+0x7a/0xad [ 417.483409] ? __down_interruptible+0x700/0x700 [ 417.488088] ext4_filemap_fault+0x82/0xad [ 417.492235] __do_fault+0x100/0x6b0 [ 417.495862] ? pmd_devmap_trans_unstable+0x220/0x220 [ 417.500962] ? mark_held_locks+0x130/0x130 [ 417.505190] ? mark_held_locks+0x130/0x130 [ 417.509426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.514956] ? check_preemption_disabled+0x48/0x280 [ 417.519972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.525507] __handle_mm_fault+0x3ea0/0x5be0 [ 417.529918] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 417.534754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.540285] ? __fpu__restore_sig+0x62f/0x1680 [ 417.544879] ? zap_class+0x640/0x640 [ 417.548593] ? zap_class+0x640/0x640 [ 417.552299] ? __x64_sys_futex+0x53e/0x6a0 [ 417.556538] ? find_held_lock+0x36/0x1c0 [ 417.560599] ? handle_mm_fault+0x42a/0xc70 [ 417.564833] ? lock_downgrade+0x900/0x900 [ 417.568979] ? check_preemption_disabled+0x48/0x280 [ 417.573990] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.578911] ? kasan_check_read+0x11/0x20 [ 417.583053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.588332] ? rcu_softirq_qs+0x20/0x20 [ 417.592302] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.597401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.602936] ? check_preemption_disabled+0x48/0x280 [ 417.607953] handle_mm_fault+0x54f/0xc70 [ 417.612013] ? __handle_mm_fault+0x5be0/0x5be0 [ 417.616598] ? find_vma+0x34/0x190 [ 417.620138] __do_page_fault+0x5e8/0xe60 [ 417.624192] ? trace_hardirqs_off+0xb8/0x310 [ 417.628598] ? exit_to_usermode_loop+0x1f4/0x380 [ 417.633357] do_page_fault+0xf2/0x7e0 [ 417.637156] ? vmalloc_sync_all+0x30/0x30 [ 417.641300] ? error_entry+0x70/0xd0 [ 417.645011] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.650021] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.654948] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.659870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.664711] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.669724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.675176] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.680188] ? page_fault+0x8/0x30 [ 417.683726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.688567] ? page_fault+0x8/0x30 [ 417.692112] page_fault+0x1e/0x30 [ 417.695558] RIP: 0033:0x45ddf3 [ 417.698761] Code: Bad RIP value. [ 417.702116] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 417.707469] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 417.714735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 417.721999] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 417.729261] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 417.736530] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 417.743815] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 417.743820] warn_alloc_show_mem: 1 callbacks suppressed [ 417.743826] Mem-Info: [ 417.751175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.756536] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 417.756536] active_file:14 inactive_file:13 isolated_file:0 [ 417.756536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.756536] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 417.756536] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 417.756536] free:13747 free_pcp:512 free_cma:0 [ 417.758905] Call Trace: [ 417.768291] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.801127] [ 417.803691] 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 [ 417.831188] dump_stack+0x244/0x39d [ 417.833305] lowmem_reserve[]: 0 2818 6321 6321 [ 417.859405] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.863000] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 417.867588] warn_alloc.cold.116+0xb7/0x1bd [ 417.872732] lowmem_reserve[]: 0 0 3503 3503 [ 417.900605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.904898] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 417.909213] ? lock_downgrade+0x900/0x900 [ 417.914021] lowmem_reserve[]: 0 0 0 0 [ 417.943000] ? trace_hardirqs_off+0xb8/0x310 [ 417.947118] 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 [ 417.950912] ? trace_hardirqs_off+0xb8/0x310 [ 417.955290] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 417.968813] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.973189] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 417.988463] ? warn_alloc+0x120/0x120 [ 417.993267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.007643] ? print_usage_bug+0xc0/0xc0 [ 418.011416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.020235] ? warn_alloc+0x120/0x120 [ 418.024266] 165 total pagecache pages [ 418.032826] ? warn_alloc+0x120/0x120 [ 418.036606] 0 pages in swap cache [ 418.040393] ? print_usage_bug+0xc0/0xc0 [ 418.044167] Swap cache stats: add 0, delete 0, find 0/0 [ 418.044174] Free swap = 0kB [ 418.047612] ? kvm_clock_read+0x18/0x30 [ 418.051640] Total swap = 0kB [ 418.056995] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.059983] 1965979 pages RAM [ 418.063943] ? print_usage_bug+0xc0/0xc0 [ 418.066930] 0 pages HighMem/MovableOnly [ 418.066937] 342855 pages reserved [ 418.071951] ? __lock_acquire+0x62f/0x4c20 [ 418.075034] 0 pages cma reserved [ 418.079086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.083098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.086476] ? should_fail+0x22d/0xd01 [ 418.090731] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.094041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.099554] syz-fuzzer cpuset=/ mems_allowed=0 [ 418.106052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.135045] ? __lock_acquire+0x62f/0x4c20 [ 418.139283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.144379] ? __lock_acquire+0x62f/0x4c20 [ 418.148607] ? should_fail+0x22d/0xd01 [ 418.152486] ? rcu_irq_exit+0x1a2/0x390 [ 418.156470] ? mark_held_locks+0x130/0x130 [ 418.160709] ? mark_held_locks+0x130/0x130 [ 418.164943] ? mark_held_locks+0xc7/0x130 [ 418.169089] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 418.174097] ? zap_class+0x640/0x640 [ 418.177805] ? print_usage_bug+0xc0/0xc0 [ 418.181866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.187398] ? check_preemption_disabled+0x48/0x280 [ 418.192436] ? __lock_is_held+0xb5/0x140 [ 418.196498] __alloc_pages_nodemask+0xa80/0xde0 [ 418.201163] ? zap_class+0x640/0x640 [ 418.204878] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.209900] ? find_held_lock+0x36/0x1c0 [ 418.213962] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.218626] ? lock_downgrade+0x900/0x900 [ 418.222775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.228319] cache_grow_begin+0xa5/0x8c0 [ 418.232374] ? do_raw_spin_unlock+0xa7/0x330 [ 418.236783] fallback_alloc+0x204/0x2e0 [ 418.240758] ____cache_alloc_node+0x1c7/0x1e0 [ 418.245263] kmem_cache_alloc_node+0xe3/0x730 [ 418.249758] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.253998] __alloc_skb+0x119/0x770 [ 418.257711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.263158] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.267562] ? lock_downgrade+0x900/0x900 [ 418.271715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.277249] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.282786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.288236] ? addrconf_rs_timer+0x690/0x690 [ 418.292648] ndisc_alloc_skb+0x144/0x340 [ 418.296712] ndisc_send_rs+0x331/0x6e0 [ 418.300596] addrconf_rs_timer+0x314/0x690 [ 418.304830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.309072] call_timer_fn+0x272/0x920 [ 418.312951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.317186] ? process_timeout+0x40/0x40 [ 418.321250] ? __run_timers+0x7da/0xc70 [ 418.325594] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.330081] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.334569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.338799] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.343382] ? trace_hardirqs_on+0xbd/0x310 [ 418.347697] ? kasan_check_read+0x11/0x20 [ 418.351840] ? __run_timers+0x7da/0xc70 [ 418.355812] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.360915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.365151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.369379] __run_timers+0x7e5/0xc70 [ 418.373191] ? timer_fixup_init+0x70/0x70 [ 418.377337] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.382348] ? zap_class+0x640/0x640 [ 418.386059] ? enqueue_hrtimer+0x1a5/0x560 [ 418.390289] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.395483] ? find_held_lock+0x36/0x1c0 [ 418.399546] ? zap_class+0x640/0x640 [ 418.403265] ? pvclock_read_flags+0x160/0x160 [ 418.407757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.413318] ? check_preemption_disabled+0x48/0x280 [ 418.418341] ? __lock_is_held+0xb5/0x140 [ 418.422398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.428370] ? check_preemption_disabled+0x48/0x280 [ 418.433387] run_timer_softirq+0x52/0xb0 [ 418.437446] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.442459] __do_softirq+0x308/0xb7e [ 418.446256] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.450745] ? lock_downgrade+0x900/0x900 [ 418.454896] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.460009] ? pvclock_read_flags+0x160/0x160 [ 418.464506] ? lapic_next_event+0x5a/0x90 [ 418.468661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.474203] ? kvm_clock_read+0x18/0x30 [ 418.478174] ? kvm_sched_clock_read+0x9/0x20 [ 418.482578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.488109] ? check_preemption_disabled+0x48/0x280 [ 418.493126] irq_exit+0x17f/0x1c0 [ 418.496577] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.501416] ? smp_reschedule_interrupt+0x109/0x650 [ 418.506426] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.512305] ? interrupt_entry+0xb5/0xc0 [ 418.516362] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.521373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.526384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.531226] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.536233] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.541255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.546115] apic_timer_interrupt+0xf/0x20 [ 418.550342] [ 418.552575] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.557507] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 418.576403] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 418.584107] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.591368] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 418.598630] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 418.605894] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.613155] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 418.620453] skb_clone+0x1bb/0x500 [ 418.623996] ? finish_task_switch+0x2f4/0x910 [ 418.628485] ? skb_split+0x11e0/0x11e0 [ 418.632371] ? preempt_notifier_register+0x200/0x200 [ 418.637482] ? __switch_to_asm+0x34/0x70 [ 418.641544] ? __switch_to_asm+0x34/0x70 [ 418.645600] ? __switch_to_asm+0x40/0x70 [ 418.649653] ? __switch_to_asm+0x34/0x70 [ 418.653713] ? __switch_to_asm+0x40/0x70 [ 418.657766] ? __switch_to_asm+0x34/0x70 [ 418.661842] ? __switch_to_asm+0x40/0x70 [ 418.665899] ? __switch_to_asm+0x34/0x70 [ 418.669958] ? __switch_to_asm+0x34/0x70 [ 418.674118] ? __switch_to_asm+0x40/0x70 [ 418.678264] ? __switch_to_asm+0x34/0x70 [ 418.682426] bpf_clone_redirect+0xb9/0x490 [ 418.686660] ? __schedule+0x8d7/0x21d0 [ 418.690555] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 418.695570] ? __sched_text_start+0x8/0x8 [ 418.699718] ? retint_kernel+0x2d/0x2d [ 418.703603] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.708532] ? find_held_lock+0x36/0x1c0 [ 418.712594] ? lock_acquire+0x1ed/0x520 [ 418.716580] ? bpf_test_run+0x3cb/0x780 [ 418.720558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.726749] ? check_preemption_disabled+0x48/0x280 [ 418.731771] ? kasan_check_read+0x11/0x20 [ 418.735914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.741189] ? rcu_softirq_qs+0x20/0x20 [ 418.745159] ? preempt_schedule+0x4d/0x60 [ 418.749304] ? ___preempt_schedule+0x16/0x18 [ 418.753714] ? bpf_test_run+0x25d/0x780 [ 418.757693] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.762099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.767634] ? bpf_test_init.isra.10+0x70/0x100 [ 418.772305] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 418.777066] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.781906] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.787438] ? fput+0x130/0x1a0 [ 418.790714] ? __bpf_prog_get+0x9b/0x290 [ 418.794862] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.799697] ? bpf_prog_test_run+0x130/0x1a0 [ 418.804106] ? __x64_sys_bpf+0x3d8/0x520 [ 418.808177] ? bpf_prog_get+0x20/0x20 [ 418.811997] ? do_syscall_64+0x1b9/0x820 [ 418.816088] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.821453] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.826387] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.831399] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.836412] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 418.843084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.847932] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.853314] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 418.853382] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.860320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.860327] Call Trace: [ 418.866880] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.876137] [ 418.878708] syz-executor4 cpuset=syz4 mems_allowed=0 [ 418.889199] dump_stack+0x244/0x39d [ 418.900045] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.905242] warn_alloc.cold.116+0xb7/0x1bd [ 418.909654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.914504] ? lock_downgrade+0x900/0x900 [ 418.918658] ? trace_hardirqs_off+0xb8/0x310 [ 418.923068] ? trace_hardirqs_off+0xb8/0x310 [ 418.927476] __alloc_pages_slowpath+0x26e8/0x2e10 [ 418.932339] ? warn_alloc+0x120/0x120 [ 418.936139] ? print_usage_bug+0xc0/0xc0 [ 418.940195] ? warn_alloc+0x120/0x120 [ 418.944000] ? warn_alloc+0x120/0x120 [ 418.947797] ? print_usage_bug+0xc0/0xc0 [ 418.951856] ? print_usage_bug+0xc0/0xc0 [ 418.955918] ? __lock_acquire+0x62f/0x4c20 [ 418.960163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.965698] ? should_fail+0x22d/0xd01 [ 418.969587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.974689] ? __lock_acquire+0x62f/0x4c20 [ 418.978923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.984025] ? __lock_acquire+0x62f/0x4c20 [ 418.988255] ? should_fail+0x22d/0xd01 [ 418.992134] ? find_held_lock+0x36/0x1c0 [ 418.996203] ? mark_held_locks+0x130/0x130 [ 419.000439] ? mark_held_locks+0x130/0x130 [ 419.004687] ? zap_class+0x640/0x640 [ 419.008393] ? zap_class+0x640/0x640 [ 419.012105] ? print_usage_bug+0xc0/0xc0 [ 419.016157] ? do_raw_spin_unlock+0xa7/0x330 [ 419.020564] ? zap_class+0x640/0x640 [ 419.024271] ? print_usage_bug+0xc0/0xc0 [ 419.028325] ? wq_watchdog_touch+0x9c/0xfe [ 419.032558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.038104] ? check_preemption_disabled+0x48/0x280 [ 419.043126] ? __lock_is_held+0xb5/0x140 [ 419.047191] __alloc_pages_nodemask+0xa80/0xde0 [ 419.051854] ? zap_class+0x640/0x640 [ 419.055567] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.060591] ? find_held_lock+0x36/0x1c0 [ 419.064664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.069327] ? lock_downgrade+0x900/0x900 [ 419.073475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.079013] cache_grow_begin+0xa5/0x8c0 [ 419.083068] ? do_raw_spin_unlock+0xa7/0x330 [ 419.087480] fallback_alloc+0x204/0x2e0 [ 419.091456] ____cache_alloc_node+0x1c7/0x1e0 [ 419.095963] kmem_cache_alloc_node+0xe3/0x730 [ 419.100476] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.104715] __alloc_skb+0x119/0x770 [ 419.108427] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.113703] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.118117] ? lock_downgrade+0x900/0x900 [ 419.122267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.127802] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.133252] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.138698] ? addrconf_rs_timer+0x690/0x690 [ 419.143111] ndisc_alloc_skb+0x144/0x340 [ 419.147168] ndisc_send_rs+0x331/0x6e0 [ 419.151058] addrconf_rs_timer+0x314/0x690 [ 419.155294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.159539] call_timer_fn+0x272/0x920 [ 419.163423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.167655] ? process_timeout+0x40/0x40 [ 419.171719] ? mark_held_locks+0xc7/0x130 [ 419.175892] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.180430] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.184958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.189189] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.193768] ? trace_hardirqs_on+0xbd/0x310 [ 419.198085] ? kasan_check_read+0x11/0x20 [ 419.202228] ? __run_timers+0x7da/0xc70 [ 419.206200] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.211303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.215540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.219768] __run_timers+0x7e5/0xc70 [ 419.223572] ? timer_fixup_init+0x70/0x70 [ 419.227714] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.232726] ? zap_class+0x640/0x640 [ 419.236444] ? print_usage_bug+0xc0/0xc0 [ 419.240510] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.245703] ? find_held_lock+0x36/0x1c0 [ 419.249761] ? zap_class+0x640/0x640 [ 419.253473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.259018] ? check_preemption_disabled+0x48/0x280 [ 419.264040] ? __lock_is_held+0xb5/0x140 [ 419.268096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.273632] ? check_preemption_disabled+0x48/0x280 [ 419.278646] run_timer_softirq+0x52/0xb0 [ 419.282706] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.287720] __do_softirq+0x308/0xb7e [ 419.291521] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 419.296008] ? lock_downgrade+0x900/0x900 [ 419.300156] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.305264] ? pvclock_read_flags+0x160/0x160 [ 419.309760] ? lapic_next_event+0x5a/0x90 [ 419.313915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.319468] ? kvm_clock_read+0x18/0x30 [ 419.323524] ? kvm_sched_clock_read+0x9/0x20 [ 419.328026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.333558] ? check_preemption_disabled+0x48/0x280 [ 419.338574] irq_exit+0x17f/0x1c0 [ 419.342022] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.346861] ? smp_reschedule_interrupt+0x109/0x650 [ 419.351872] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.357755] ? interrupt_entry+0xb5/0xc0 [ 419.361815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.366824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.371851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.376690] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.381707] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.386715] ? task_prio+0x50/0x50 [ 419.390254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.395784] ? check_preemption_disabled+0x48/0x280 [ 419.400797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.405639] apic_timer_interrupt+0xf/0x20 [ 419.409875] [ 419.412114] RIP: 0010:dump_stack+0x358/0x39d [ 419.416521] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 419.435412] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 419.443128] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 419.450566] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 419.457829] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 419.465092] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 419.472352] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 419.479636] ? dump_stack+0x34f/0x39d [ 419.483445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.488815] ? mark_held_locks+0x130/0x130 [ 419.493044] ? mark_held_locks+0x130/0x130 [ 419.497279] dump_header+0x27b/0xf72 [ 419.501001] ? pagefault_out_of_memory+0x197/0x197 [ 419.505941] ? __lock_acquire+0x62f/0x4c20 [ 419.510175] ? percpu_ref_get_many+0x240/0x240 [ 419.514753] ? print_usage_bug+0xc0/0xc0 [ 419.518815] ? zap_class+0x640/0x640 [ 419.522526] ? print_usage_bug+0xc0/0xc0 [ 419.526581] ? print_usage_bug+0xc0/0xc0 [ 419.530639] ? zap_class+0x640/0x640 [ 419.534349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.539893] ? find_held_lock+0x36/0x1c0 [ 419.543963] ? mark_held_locks+0xc7/0x130 [ 419.548111] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.553210] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.558312] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.562895] ? trace_hardirqs_on+0xbd/0x310 [ 419.567214] ? kasan_check_read+0x11/0x20 [ 419.571357] ? ___ratelimit+0x3b4/0x672 [ 419.575329] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.580429] ? trace_hardirqs_on+0x310/0x310 [ 419.584833] ? lock_downgrade+0x900/0x900 [ 419.588985] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.594093] ? ___ratelimit+0x3b9/0x672 [ 419.598064] ? idr_get_free+0xf70/0xf70 [ 419.602037] ? find_held_lock+0x36/0x1c0 [ 419.606112] oom_kill_process.cold.27+0x10/0x903 [ 419.610864] ? zap_class+0x640/0x640 [ 419.614578] ? check_preemption_disabled+0x48/0x280 [ 419.619691] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.624613] ? kasan_check_read+0x11/0x20 [ 419.628753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.634116] ? oom_evaluate_task+0x540/0x540 [ 419.638521] ? find_held_lock+0x36/0x1c0 [ 419.642586] ? out_of_memory+0x974/0x1430 [ 419.646740] ? lock_downgrade+0x900/0x900 [ 419.650894] ? check_preemption_disabled+0x48/0x280 [ 419.655921] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.660843] ? kasan_check_read+0x11/0x20 [ 419.664992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.670265] ? rcu_softirq_qs+0x20/0x20 [ 419.674236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.679765] ? oom_evaluate_task+0x302/0x540 [ 419.684172] out_of_memory+0xa84/0x1430 [ 419.688152] ? oom_killer_disable+0x3a0/0x3a0 [ 419.692642] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 419.697572] ? __ww_mutex_check_waiters+0x160/0x160 [ 419.702592] __alloc_pages_slowpath+0x2354/0x2e10 [ 419.707455] ? warn_alloc+0x120/0x120 [ 419.711253] ? mark_held_locks+0x130/0x130 [ 419.715488] ? find_get_entry+0xaae/0x1120 [ 419.719728] ? filemap_map_pages+0x1a20/0x1a20 [ 419.724308] ? zap_class+0x640/0x640 [ 419.728044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.733576] ? check_preemption_disabled+0x48/0x280 [ 419.738585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.744120] ? should_fail+0x22d/0xd01 [ 419.748009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.753368] ? zap_class+0x640/0x640 [ 419.757102] ? __lock_is_held+0xb5/0x140 [ 419.761169] ? mark_held_locks+0x130/0x130 [ 419.765403] ? lock_release+0xa00/0xa00 [ 419.769372] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.774819] ? xa_load+0x2ba/0x460 [ 419.778355] ? lock_downgrade+0x900/0x900 [ 419.782503] ? __might_sleep+0x95/0x190 [ 419.786478] __alloc_pages_nodemask+0xa80/0xde0 [ 419.791147] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.796266] ? __page_cache_alloc+0x191/0x5c0 [ 419.800755] ? xa_load+0x2e1/0x460 [ 419.804291] ? xa_clear_mark+0x40/0x40 [ 419.808175] ? zap_class+0x640/0x640 [ 419.811902] ? zap_class+0x640/0x640 [ 419.815628] ? zap_class+0x640/0x640 [ 419.819343] ? __do_page_cache_readahead+0x663/0x810 [ 419.824452] ? find_held_lock+0x36/0x1c0 [ 419.828511] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 419.834048] alloc_pages_current+0x173/0x350 [ 419.838458] __page_cache_alloc+0x38c/0x5c0 [ 419.842776] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.847698] ? kasan_check_read+0x11/0x20 [ 419.851838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.857121] ? generic_perform_write+0x6a0/0x6a0 [ 419.861879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.867420] ? check_preemption_disabled+0x48/0x280 [ 419.872443] filemap_fault+0x1595/0x25f0 [ 419.876513] ? __lock_page_or_retry+0xa00/0xa00 [ 419.881201] ? mark_held_locks+0x130/0x130 [ 419.885439] ? filemap_map_pages+0xd6b/0x1a20 [ 419.890318] ? lock_downgrade+0x900/0x900 [ 419.894461] ? check_preemption_disabled+0x48/0x280 [ 419.899473] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.904399] ? kasan_check_read+0x11/0x20 [ 419.908539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.913812] ? rcu_softirq_qs+0x20/0x20 [ 419.917796] ? filemap_map_pages+0xd92/0x1a20 [ 419.922296] ? find_get_entries_tag+0x1400/0x1400 [ 419.927138] ? debug_object_destroy+0x2b0/0x2b0 [ 419.931802] ? lock_pi_update_atomic+0x150/0x150 [ 419.936550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.942096] ? lock_acquire+0x1ed/0x520 [ 419.946063] ? ext4_filemap_fault+0x7a/0xad [ 419.950387] ? lock_release+0xa00/0xa00 [ 419.954353] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.959799] ? print_usage_bug+0xc0/0xc0 [ 419.963866] ? print_usage_bug+0xc0/0xc0 [ 419.967941] ? down_read+0x8d/0x120 [ 419.971559] ? ext4_filemap_fault+0x7a/0xad [ 419.975889] ? __down_interruptible+0x700/0x700 [ 419.980560] ext4_filemap_fault+0x82/0xad [ 419.984704] __do_fault+0x100/0x6b0 [ 419.988333] ? pmd_devmap_trans_unstable+0x220/0x220 [ 419.993432] ? mark_held_locks+0x130/0x130 [ 419.997665] ? mark_held_locks+0x130/0x130 [ 420.001901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.007528] ? check_preemption_disabled+0x48/0x280 [ 420.012548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.018083] __handle_mm_fault+0x3ea0/0x5be0 [ 420.022494] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 420.027335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.032877] ? __fpu__restore_sig+0x62f/0x1680 [ 420.037472] ? zap_class+0x640/0x640 [ 420.041183] ? zap_class+0x640/0x640 [ 420.044891] ? __x64_sys_futex+0x53e/0x6a0 [ 420.049123] ? find_held_lock+0x36/0x1c0 [ 420.053187] ? handle_mm_fault+0x42a/0xc70 [ 420.057421] ? lock_downgrade+0x900/0x900 [ 420.061561] ? check_preemption_disabled+0x48/0x280 [ 420.066582] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.071504] ? kasan_check_read+0x11/0x20 [ 420.075645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.080916] ? rcu_softirq_qs+0x20/0x20 [ 420.084900] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.090001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.095532] ? check_preemption_disabled+0x48/0x280 [ 420.100548] handle_mm_fault+0x54f/0xc70 [ 420.104611] ? __handle_mm_fault+0x5be0/0x5be0 [ 420.109191] ? find_vma+0x34/0x190 [ 420.112735] __do_page_fault+0x5e8/0xe60 [ 420.116788] ? trace_hardirqs_off+0xb8/0x310 [ 420.121189] ? exit_to_usermode_loop+0x1f4/0x380 [ 420.125960] do_page_fault+0xf2/0x7e0 [ 420.129758] ? vmalloc_sync_all+0x30/0x30 [ 420.133900] ? error_entry+0x70/0xd0 [ 420.137611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.142625] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.147547] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.152474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.157314] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.162325] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.167774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.172782] ? page_fault+0x8/0x30 [ 420.176346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.181219] ? page_fault+0x8/0x30 [ 420.184753] page_fault+0x1e/0x30 [ 420.188199] RIP: 0033:0x45ddf3 [ 420.191397] Code: Bad RIP value. [ 420.194750] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 420.200103] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 420.207368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 420.214631] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 420.221895] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 420.229155] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 420.236444] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 420.236449] warn_alloc_show_mem: 1 callbacks suppressed [ 420.236455] Mem-Info: [ 420.243805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.249170] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 420.249170] active_file:14 inactive_file:13 isolated_file:0 [ 420.249170] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.249170] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 420.249170] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 420.249170] free:13747 free_pcp:512 free_cma:0 [ 420.251549] Call Trace: [ 420.260920] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.293762] [ 420.296327] 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 [ 420.323827] dump_stack+0x244/0x39d [ 420.325942] lowmem_reserve[]: 0 2818 6321 6321 [ 420.352047] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.355646] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 420.360227] warn_alloc.cold.116+0xb7/0x1bd [ 420.365380] lowmem_reserve[]: 0 0 3503 3503 [ 420.392692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.396989] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 420.401302] ? lock_downgrade+0x900/0x900 [ 420.406108] lowmem_reserve[]: 0 0 0 0 [ 420.435079] ? trace_hardirqs_off+0xb8/0x310 [ 420.439194] 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 [ 420.442990] ? trace_hardirqs_off+0xb8/0x310 [ 420.447368] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 420.460888] __alloc_pages_slowpath+0x26e8/0x2e10 [ 420.465262] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 420.480532] ? warn_alloc+0x120/0x120 [ 420.485331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.499708] ? print_usage_bug+0xc0/0xc0 [ 420.503486] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.512305] ? warn_alloc+0x120/0x120 [ 420.516339] 165 total pagecache pages [ 420.524905] ? warn_alloc+0x120/0x120 [ 420.528685] 0 pages in swap cache [ 420.532472] ? print_usage_bug+0xc0/0xc0 [ 420.536247] Swap cache stats: add 0, delete 0, find 0/0 [ 420.539686] ? kvm_clock_read+0x18/0x30 [ 420.543715] Free swap = 0kB [ 420.549064] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.553010] Total swap = 0kB [ 420.556015] ? print_usage_bug+0xc0/0xc0 [ 420.561001] 1965979 pages RAM [ 420.564006] ? __lock_acquire+0x62f/0x4c20 [ 420.568033] 0 pages HighMem/MovableOnly [ 420.568040] 342855 pages reserved [ 420.571137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.575339] 0 pages cma reserved [ 420.579298] ? should_fail+0x22d/0xd01 [ 420.582779] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.588240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.588257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.591647] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.595470] ? __lock_acquire+0x62f/0x4c20 [ 420.601933] syz-fuzzer cpuset=/ mems_allowed=0 [ 420.607200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.636357] ? __lock_acquire+0x62f/0x4c20 [ 420.640778] ? should_fail+0x22d/0xd01 [ 420.644666] ? rcu_irq_exit+0x1a2/0x390 [ 420.648650] ? mark_held_locks+0x130/0x130 [ 420.652884] ? mark_held_locks+0x130/0x130 [ 420.657117] ? mark_held_locks+0xc7/0x130 [ 420.661258] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 420.666270] ? zap_class+0x640/0x640 [ 420.669984] ? print_usage_bug+0xc0/0xc0 [ 420.674046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.679578] ? check_preemption_disabled+0x48/0x280 [ 420.684597] ? __lock_is_held+0xb5/0x140 [ 420.688658] __alloc_pages_nodemask+0xa80/0xde0 [ 420.693326] ? zap_class+0x640/0x640 [ 420.697048] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.702067] ? find_held_lock+0x36/0x1c0 [ 420.706132] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.710803] ? lock_downgrade+0x900/0x900 [ 420.714951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.720499] cache_grow_begin+0xa5/0x8c0 [ 420.724993] ? do_raw_spin_unlock+0xa7/0x330 [ 420.729407] fallback_alloc+0x204/0x2e0 [ 420.733382] ____cache_alloc_node+0x1c7/0x1e0 [ 420.737881] kmem_cache_alloc_node+0xe3/0x730 [ 420.742379] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.746617] __alloc_skb+0x119/0x770 [ 420.750326] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.755599] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.760005] ? lock_downgrade+0x900/0x900 [ 420.764160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.769694] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.775148] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.780608] ? addrconf_rs_timer+0x690/0x690 [ 420.785024] ndisc_alloc_skb+0x144/0x340 [ 420.789083] ndisc_send_rs+0x331/0x6e0 [ 420.792969] addrconf_rs_timer+0x314/0x690 [ 420.797289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.801533] call_timer_fn+0x272/0x920 [ 420.805432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.809665] ? process_timeout+0x40/0x40 [ 420.813743] ? __run_timers+0x7da/0xc70 [ 420.817726] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.822218] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.826709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.830937] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.835518] ? trace_hardirqs_on+0xbd/0x310 [ 420.839835] ? kasan_check_read+0x11/0x20 [ 420.843981] ? __run_timers+0x7da/0xc70 [ 420.847949] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.853049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.857289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.861521] __run_timers+0x7e5/0xc70 [ 420.865571] ? timer_fixup_init+0x70/0x70 [ 420.869717] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.874731] ? zap_class+0x640/0x640 [ 420.878444] ? enqueue_hrtimer+0x1a5/0x560 [ 420.882674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.887863] ? find_held_lock+0x36/0x1c0 [ 420.891922] ? zap_class+0x640/0x640 [ 420.895634] ? pvclock_read_flags+0x160/0x160 [ 420.900124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.905662] ? check_preemption_disabled+0x48/0x280 [ 420.910684] ? __lock_is_held+0xb5/0x140 [ 420.914744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.920283] ? check_preemption_disabled+0x48/0x280 [ 420.925306] run_timer_softirq+0x52/0xb0 [ 420.929365] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.934377] __do_softirq+0x308/0xb7e [ 420.938179] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.942668] ? lock_downgrade+0x900/0x900 [ 420.946825] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.951936] ? pvclock_read_flags+0x160/0x160 [ 420.956429] ? lapic_next_event+0x5a/0x90 [ 420.960585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.966124] ? kvm_clock_read+0x18/0x30 [ 420.970095] ? kvm_sched_clock_read+0x9/0x20 [ 420.974499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.980047] ? check_preemption_disabled+0x48/0x280 [ 420.985067] irq_exit+0x17f/0x1c0 [ 420.988537] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.993376] ? smp_reschedule_interrupt+0x109/0x650 [ 420.998386] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.004266] ? interrupt_entry+0xb5/0xc0 [ 421.008330] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.013343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.018354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.023192] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.028202] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.033225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.038082] apic_timer_interrupt+0xf/0x20 [ 421.042311] [ 421.044549] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 421.049475] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 421.068368] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.076072] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 421.083340] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 421.090606] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 421.097872] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 421.105137] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 421.112438] skb_clone+0x1bb/0x500 [ 421.115972] ? finish_task_switch+0x2f4/0x910 [ 421.120464] ? skb_split+0x11e0/0x11e0 [ 421.124346] ? preempt_notifier_register+0x200/0x200 [ 421.129442] ? __switch_to_asm+0x34/0x70 [ 421.133499] ? __switch_to_asm+0x34/0x70 [ 421.137555] ? __switch_to_asm+0x40/0x70 [ 421.141612] ? __switch_to_asm+0x34/0x70 [ 421.145671] ? __switch_to_asm+0x40/0x70 [ 421.149724] ? __switch_to_asm+0x34/0x70 [ 421.153784] ? __switch_to_asm+0x40/0x70 [ 421.157852] ? __switch_to_asm+0x34/0x70 [ 421.161912] ? __switch_to_asm+0x34/0x70 [ 421.165967] ? __switch_to_asm+0x40/0x70 [ 421.170021] ? __switch_to_asm+0x34/0x70 [ 421.174082] bpf_clone_redirect+0xb9/0x490 [ 421.178664] ? __schedule+0x8d7/0x21d0 [ 421.182571] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 421.187585] ? __sched_text_start+0x8/0x8 [ 421.191731] ? retint_kernel+0x2d/0x2d [ 421.195627] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.200556] ? find_held_lock+0x36/0x1c0 [ 421.204624] ? lock_acquire+0x1ed/0x520 [ 421.208591] ? bpf_test_run+0x3cb/0x780 [ 421.212559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.218093] ? check_preemption_disabled+0x48/0x280 [ 421.223109] ? kasan_check_read+0x11/0x20 [ 421.227253] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.232526] ? rcu_softirq_qs+0x20/0x20 [ 421.236495] ? preempt_schedule+0x4d/0x60 [ 421.240642] ? ___preempt_schedule+0x16/0x18 [ 421.245054] ? bpf_test_run+0x25d/0x780 [ 421.249035] ? netlink_diag_dump+0x2a0/0x2a0 [ 421.253441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.258972] ? bpf_test_init.isra.10+0x70/0x100 [ 421.263643] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 421.268400] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.273236] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.278775] ? fput+0x130/0x1a0 [ 421.282048] ? __bpf_prog_get+0x9b/0x290 [ 421.286106] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.290944] ? bpf_prog_test_run+0x130/0x1a0 [ 421.295373] ? __x64_sys_bpf+0x3d8/0x520 [ 421.299427] ? bpf_prog_get+0x20/0x20 [ 421.303239] ? do_syscall_64+0x1b9/0x820 [ 421.307301] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.312662] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.317587] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.322605] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.327624] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 421.334291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.339136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.344516] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 421.344577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.351531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.351538] Call Trace: [ 421.358089] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.367349] [ 421.369911] syz-executor4 cpuset=syz4 mems_allowed=0 [ 421.380389] dump_stack+0x244/0x39d [ 421.391239] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.396437] warn_alloc.cold.116+0xb7/0x1bd [ 421.400783] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.405625] ? lock_downgrade+0x900/0x900 [ 421.409780] ? trace_hardirqs_off+0xb8/0x310 [ 421.414191] ? trace_hardirqs_off+0xb8/0x310 [ 421.418602] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.423465] ? warn_alloc+0x120/0x120 [ 421.427262] ? print_usage_bug+0xc0/0xc0 [ 421.431319] ? warn_alloc+0x120/0x120 [ 421.435118] ? warn_alloc+0x120/0x120 [ 421.438918] ? print_usage_bug+0xc0/0xc0 [ 421.442978] ? print_usage_bug+0xc0/0xc0 [ 421.447033] ? __lock_acquire+0x62f/0x4c20 [ 421.451276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.456810] ? should_fail+0x22d/0xd01 [ 421.460700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.465806] ? __lock_acquire+0x62f/0x4c20 [ 421.470040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.475146] ? __lock_acquire+0x62f/0x4c20 [ 421.479374] ? should_fail+0x22d/0xd01 [ 421.483255] ? find_held_lock+0x36/0x1c0 [ 421.487318] ? mark_held_locks+0x130/0x130 [ 421.491566] ? mark_held_locks+0x130/0x130 [ 421.495793] ? zap_class+0x640/0x640 [ 421.499503] ? zap_class+0x640/0x640 [ 421.503213] ? print_usage_bug+0xc0/0xc0 [ 421.507270] ? do_raw_spin_unlock+0xa7/0x330 [ 421.511671] ? zap_class+0x640/0x640 [ 421.515417] ? print_usage_bug+0xc0/0xc0 [ 421.519474] ? wq_watchdog_touch+0x9c/0xfe [ 421.523719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.529258] ? check_preemption_disabled+0x48/0x280 [ 421.534277] ? __lock_is_held+0xb5/0x140 [ 421.538339] __alloc_pages_nodemask+0xa80/0xde0 [ 421.543006] ? zap_class+0x640/0x640 [ 421.546727] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 421.551756] ? find_held_lock+0x36/0x1c0 [ 421.555823] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.560486] ? lock_downgrade+0x900/0x900 [ 421.564635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.570171] cache_grow_begin+0xa5/0x8c0 [ 421.574225] ? do_raw_spin_unlock+0xa7/0x330 [ 421.578641] fallback_alloc+0x204/0x2e0 [ 421.582618] ____cache_alloc_node+0x1c7/0x1e0 [ 421.587116] kmem_cache_alloc_node+0xe3/0x730 [ 421.591607] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.595847] __alloc_skb+0x119/0x770 [ 421.599563] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.604839] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.609240] ? lock_downgrade+0x900/0x900 [ 421.613391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.618923] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.624370] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.629819] ? addrconf_rs_timer+0x690/0x690 [ 421.634233] ndisc_alloc_skb+0x144/0x340 [ 421.638292] ndisc_send_rs+0x331/0x6e0 [ 421.642181] addrconf_rs_timer+0x314/0x690 [ 421.646425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.650664] call_timer_fn+0x272/0x920 [ 421.654550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.658780] ? process_timeout+0x40/0x40 [ 421.662849] ? mark_held_locks+0xc7/0x130 [ 421.667000] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.671490] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.675981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.680214] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.684795] ? trace_hardirqs_on+0xbd/0x310 [ 421.689112] ? kasan_check_read+0x11/0x20 [ 421.693255] ? __run_timers+0x7da/0xc70 [ 421.697228] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.702330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.706564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.710796] __run_timers+0x7e5/0xc70 [ 421.714615] ? timer_fixup_init+0x70/0x70 [ 421.718763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.723781] ? zap_class+0x640/0x640 [ 421.727502] ? print_usage_bug+0xc0/0xc0 [ 421.731560] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.736753] ? find_held_lock+0x36/0x1c0 [ 421.740814] ? zap_class+0x640/0x640 [ 421.744529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.750060] ? check_preemption_disabled+0x48/0x280 [ 421.755078] ? __lock_is_held+0xb5/0x140 [ 421.759137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.764673] ? check_preemption_disabled+0x48/0x280 [ 421.769703] run_timer_softirq+0x52/0xb0 [ 421.773764] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.778775] __do_softirq+0x308/0xb7e [ 421.782573] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.787063] ? lock_downgrade+0x900/0x900 [ 421.791208] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.796326] ? pvclock_read_flags+0x160/0x160 [ 421.800821] ? lapic_next_event+0x5a/0x90 [ 421.804971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.810507] ? kvm_clock_read+0x18/0x30 [ 421.814477] ? kvm_sched_clock_read+0x9/0x20 [ 421.818882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.824416] ? check_preemption_disabled+0x48/0x280 [ 421.829434] irq_exit+0x17f/0x1c0 [ 421.832881] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.837724] ? smp_reschedule_interrupt+0x109/0x650 [ 421.842738] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.848621] ? interrupt_entry+0xb5/0xc0 [ 421.852689] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.857714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.862731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.867573] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.872585] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.877600] ? task_prio+0x50/0x50 [ 421.881137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.886671] ? check_preemption_disabled+0x48/0x280 [ 421.892168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.897016] apic_timer_interrupt+0xf/0x20 [ 421.901241] [ 421.903475] RIP: 0010:dump_stack+0x358/0x39d [ 421.907880] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 421.926770] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 421.934473] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 421.941738] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 421.949003] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 421.956267] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 421.963537] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 421.970817] ? dump_stack+0x34f/0x39d [ 421.974640] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.979834] ? mark_held_locks+0x130/0x130 [ 421.984062] ? mark_held_locks+0x130/0x130 [ 421.988295] dump_header+0x27b/0xf72 [ 421.992019] ? pagefault_out_of_memory+0x197/0x197 [ 421.996948] ? __lock_acquire+0x62f/0x4c20 [ 422.001195] ? percpu_ref_get_many+0x240/0x240 [ 422.005781] ? print_usage_bug+0xc0/0xc0 [ 422.009841] ? zap_class+0x640/0x640 [ 422.013555] ? print_usage_bug+0xc0/0xc0 [ 422.017614] ? print_usage_bug+0xc0/0xc0 [ 422.021680] ? zap_class+0x640/0x640 [ 422.025402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.030938] ? find_held_lock+0x36/0x1c0 [ 422.035003] ? mark_held_locks+0xc7/0x130 [ 422.039154] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.044254] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.049353] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.053937] ? trace_hardirqs_on+0xbd/0x310 [ 422.058253] ? kasan_check_read+0x11/0x20 [ 422.062395] ? ___ratelimit+0x3b4/0x672 [ 422.066368] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.071468] ? trace_hardirqs_on+0x310/0x310 [ 422.075876] ? lock_downgrade+0x900/0x900 [ 422.080027] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.085124] ? ___ratelimit+0x3b9/0x672 [ 422.089108] ? idr_get_free+0xf70/0xf70 [ 422.093076] ? find_held_lock+0x36/0x1c0 [ 422.097144] oom_kill_process.cold.27+0x10/0x903 [ 422.101898] ? zap_class+0x640/0x640 [ 422.105606] ? check_preemption_disabled+0x48/0x280 [ 422.110625] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.115580] ? kasan_check_read+0x11/0x20 [ 422.119721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.125007] ? oom_evaluate_task+0x540/0x540 [ 422.129416] ? find_held_lock+0x36/0x1c0 [ 422.133481] ? out_of_memory+0x974/0x1430 [ 422.137626] ? lock_downgrade+0x900/0x900 [ 422.141774] ? check_preemption_disabled+0x48/0x280 [ 422.146785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.151712] ? kasan_check_read+0x11/0x20 [ 422.155851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.161122] ? rcu_softirq_qs+0x20/0x20 [ 422.165093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.170626] ? oom_evaluate_task+0x302/0x540 [ 422.175062] out_of_memory+0xa84/0x1430 [ 422.179050] ? oom_killer_disable+0x3a0/0x3a0 [ 422.183539] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 422.188466] ? __ww_mutex_check_waiters+0x160/0x160 [ 422.193488] __alloc_pages_slowpath+0x2354/0x2e10 [ 422.198349] ? warn_alloc+0x120/0x120 [ 422.202156] ? mark_held_locks+0x130/0x130 [ 422.206393] ? find_get_entry+0xaae/0x1120 [ 422.210633] ? filemap_map_pages+0x1a20/0x1a20 [ 422.215224] ? zap_class+0x640/0x640 [ 422.218937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.224468] ? check_preemption_disabled+0x48/0x280 [ 422.229498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.235029] ? should_fail+0x22d/0xd01 [ 422.238914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.244013] ? zap_class+0x640/0x640 [ 422.247748] ? __lock_is_held+0xb5/0x140 [ 422.251814] ? mark_held_locks+0x130/0x130 [ 422.256048] ? lock_release+0xa00/0xa00 [ 422.260017] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.265462] ? xa_load+0x2ba/0x460 [ 422.269000] ? lock_downgrade+0x900/0x900 [ 422.273149] ? __might_sleep+0x95/0x190 [ 422.277122] __alloc_pages_nodemask+0xa80/0xde0 [ 422.281792] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.286802] ? __page_cache_alloc+0x191/0x5c0 [ 422.291289] ? xa_load+0x2e1/0x460 [ 422.294829] ? xa_clear_mark+0x40/0x40 [ 422.298716] ? zap_class+0x640/0x640 [ 422.302430] ? zap_class+0x640/0x640 [ 422.306146] ? zap_class+0x640/0x640 [ 422.309856] ? __do_page_cache_readahead+0x663/0x810 [ 422.314959] ? find_held_lock+0x36/0x1c0 [ 422.319023] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 422.324561] alloc_pages_current+0x173/0x350 [ 422.328970] __page_cache_alloc+0x38c/0x5c0 [ 422.333284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.338206] ? kasan_check_read+0x11/0x20 [ 422.342353] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.347627] ? generic_perform_write+0x6a0/0x6a0 [ 422.352390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.357924] ? check_preemption_disabled+0x48/0x280 [ 422.362943] filemap_fault+0x1595/0x25f0 [ 422.367010] ? __lock_page_or_retry+0xa00/0xa00 [ 422.371681] ? mark_held_locks+0x130/0x130 [ 422.375926] ? filemap_map_pages+0xd6b/0x1a20 [ 422.380420] ? lock_downgrade+0x900/0x900 [ 422.384561] ? check_preemption_disabled+0x48/0x280 [ 422.389573] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.394496] ? kasan_check_read+0x11/0x20 [ 422.398643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.403918] ? rcu_softirq_qs+0x20/0x20 [ 422.407899] ? filemap_map_pages+0xd92/0x1a20 [ 422.412407] ? find_get_entries_tag+0x1400/0x1400 [ 422.417247] ? debug_object_destroy+0x2b0/0x2b0 [ 422.421918] ? lock_pi_update_atomic+0x150/0x150 [ 422.426668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.432213] ? lock_acquire+0x1ed/0x520 [ 422.436180] ? ext4_filemap_fault+0x7a/0xad [ 422.440503] ? lock_release+0xa00/0xa00 [ 422.444474] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.449918] ? print_usage_bug+0xc0/0xc0 [ 422.453978] ? print_usage_bug+0xc0/0xc0 [ 422.458043] ? down_read+0x8d/0x120 [ 422.461663] ? ext4_filemap_fault+0x7a/0xad [ 422.465980] ? __down_interruptible+0x700/0x700 [ 422.470663] ext4_filemap_fault+0x82/0xad [ 422.474809] __do_fault+0x100/0x6b0 [ 422.478434] ? pmd_devmap_trans_unstable+0x220/0x220 [ 422.483534] ? mark_held_locks+0x130/0x130 [ 422.487764] ? mark_held_locks+0x130/0x130 [ 422.491999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.497530] ? check_preemption_disabled+0x48/0x280 [ 422.502543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.508077] __handle_mm_fault+0x3ea0/0x5be0 [ 422.512486] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 422.517325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.522858] ? __fpu__restore_sig+0x62f/0x1680 [ 422.527631] ? zap_class+0x640/0x640 [ 422.531343] ? zap_class+0x640/0x640 [ 422.535055] ? __x64_sys_futex+0x53e/0x6a0 [ 422.539287] ? find_held_lock+0x36/0x1c0 [ 422.543351] ? handle_mm_fault+0x42a/0xc70 [ 422.547580] ? lock_downgrade+0x900/0x900 [ 422.551721] ? check_preemption_disabled+0x48/0x280 [ 422.556736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.561660] ? kasan_check_read+0x11/0x20 [ 422.565805] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.571079] ? rcu_softirq_qs+0x20/0x20 [ 422.575049] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.580160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.585697] ? check_preemption_disabled+0x48/0x280 [ 422.590715] handle_mm_fault+0x54f/0xc70 [ 422.594780] ? __handle_mm_fault+0x5be0/0x5be0 [ 422.599371] ? find_vma+0x34/0x190 [ 422.602910] __do_page_fault+0x5e8/0xe60 [ 422.606969] ? trace_hardirqs_off+0xb8/0x310 [ 422.611371] ? exit_to_usermode_loop+0x1f4/0x380 [ 422.616135] do_page_fault+0xf2/0x7e0 [ 422.619930] ? vmalloc_sync_all+0x30/0x30 [ 422.624070] ? error_entry+0x70/0xd0 [ 422.627779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.632789] ? trace_hardirqs_on_caller+0xc0/0x310 [ 422.637711] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.642643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.647485] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.652496] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.657945] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.662952] ? page_fault+0x8/0x30 [ 422.666491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.671331] ? page_fault+0x8/0x30 [ 422.674865] page_fault+0x1e/0x30 [ 422.678315] RIP: 0033:0x45ddf3 [ 422.681512] Code: Bad RIP value. [ 422.684866] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 422.690220] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 422.697495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 422.704759] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 422.712022] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 422.719286] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 422.727086] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 422.727091] warn_alloc_show_mem: 1 callbacks suppressed [ 422.727098] Mem-Info: [ 422.734443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.734451] Call Trace: [ 422.739814] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 422.739814] active_file:14 inactive_file:13 isolated_file:0 [ 422.739814] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.739814] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 422.739814] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 422.739814] free:13747 free_pcp:512 free_cma:0 [ 422.742182] [ 422.751539] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 422.754111] dump_stack+0x244/0x39d [ 422.786956] 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 [ 422.789104] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.816569] lowmem_reserve[]: 0 2818 6321 6321 [ 422.820216] warn_alloc.cold.116+0xb7/0x1bd [ 422.846288] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 422.851481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.856026] lowmem_reserve[]: 0 0 3503 3503 [ 422.860346] ? lock_downgrade+0x900/0x900 [ 422.887746] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 422.892590] ? trace_hardirqs_off+0xb8/0x310 [ 422.896879] lowmem_reserve[]: 0 0 0 0 [ 422.901021] ? trace_hardirqs_off+0xb8/0x310 [ 422.929960] 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 [ 422.934361] __alloc_pages_slowpath+0x26e8/0x2e10 [ 422.938126] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 422.942554] ? warn_alloc+0x120/0x120 [ 422.956288] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 422.961124] ? print_usage_bug+0xc0/0xc0 [ 422.976359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.980142] ? warn_alloc+0x120/0x120 [ 422.994502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.994510] 165 total pagecache pages [ 422.998563] ? warn_alloc+0x120/0x120 [ 423.007377] 0 pages in swap cache [ 423.011159] ? print_usage_bug+0xc0/0xc0 [ 423.019707] Swap cache stats: add 0, delete 0, find 0/0 [ 423.023600] ? kvm_clock_read+0x18/0x30 [ 423.027372] Free swap = 0kB [ 423.030814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.034845] Total swap = 0kB [ 423.040193] ? print_usage_bug+0xc0/0xc0 [ 423.044140] 1965979 pages RAM [ 423.047146] ? __lock_acquire+0x62f/0x4c20 [ 423.052130] 0 pages HighMem/MovableOnly [ 423.055139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.059164] 342855 pages reserved [ 423.059171] 0 pages cma reserved [ 423.062268] ? should_fail+0x22d/0xd01 [ 423.066546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.070428] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.070446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.076725] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.080104] ? __lock_acquire+0x62f/0x4c20 [ 423.083447] syz-fuzzer cpuset=/ mems_allowed=0 [ 423.087324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.128468] ? __lock_acquire+0x62f/0x4c20 [ 423.132699] ? should_fail+0x22d/0xd01 [ 423.136584] ? rcu_irq_exit+0x1a2/0x390 [ 423.140572] ? mark_held_locks+0x130/0x130 [ 423.144808] ? mark_held_locks+0x130/0x130 [ 423.149044] ? mark_held_locks+0xc7/0x130 [ 423.153186] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 423.158198] ? zap_class+0x640/0x640 [ 423.161904] ? print_usage_bug+0xc0/0xc0 [ 423.165967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.171499] ? check_preemption_disabled+0x48/0x280 [ 423.176517] ? __lock_is_held+0xb5/0x140 [ 423.180588] __alloc_pages_nodemask+0xa80/0xde0 [ 423.185250] ? zap_class+0x640/0x640 [ 423.188968] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 423.193992] ? find_held_lock+0x36/0x1c0 [ 423.198059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.202728] ? lock_downgrade+0x900/0x900 [ 423.206880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.212417] cache_grow_begin+0xa5/0x8c0 [ 423.216471] ? do_raw_spin_unlock+0xa7/0x330 [ 423.220884] fallback_alloc+0x204/0x2e0 [ 423.224860] ____cache_alloc_node+0x1c7/0x1e0 [ 423.229357] kmem_cache_alloc_node+0xe3/0x730 [ 423.233847] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.238093] __alloc_skb+0x119/0x770 [ 423.241799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.247083] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.251488] ? lock_downgrade+0x900/0x900 [ 423.255641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.261172] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.266707] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.272154] ? addrconf_rs_timer+0x690/0x690 [ 423.276572] ndisc_alloc_skb+0x144/0x340 [ 423.280637] ndisc_send_rs+0x331/0x6e0 [ 423.284525] addrconf_rs_timer+0x314/0x690 [ 423.288782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.293020] call_timer_fn+0x272/0x920 [ 423.296906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.301137] ? process_timeout+0x40/0x40 [ 423.305201] ? __run_timers+0x7da/0xc70 [ 423.309177] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.313668] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.318155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.322385] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.326965] ? trace_hardirqs_on+0xbd/0x310 [ 423.331283] ? kasan_check_read+0x11/0x20 [ 423.335430] ? __run_timers+0x7da/0xc70 [ 423.339399] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.344500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.348741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.352970] __run_timers+0x7e5/0xc70 [ 423.356774] ? timer_fixup_init+0x70/0x70 [ 423.360919] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.365935] ? zap_class+0x640/0x640 [ 423.369646] ? enqueue_hrtimer+0x1a5/0x560 [ 423.373878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.379071] ? find_held_lock+0x36/0x1c0 [ 423.383135] ? zap_class+0x640/0x640 [ 423.386847] ? pvclock_read_flags+0x160/0x160 [ 423.391340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.397046] ? check_preemption_disabled+0x48/0x280 [ 423.402074] ? __lock_is_held+0xb5/0x140 [ 423.406133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.411668] ? check_preemption_disabled+0x48/0x280 [ 423.416690] run_timer_softirq+0x52/0xb0 [ 423.420745] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.425757] __do_softirq+0x308/0xb7e [ 423.429560] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 423.434052] ? lock_downgrade+0x900/0x900 [ 423.438206] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.443308] ? pvclock_read_flags+0x160/0x160 [ 423.447800] ? lapic_next_event+0x5a/0x90 [ 423.451949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.457484] ? kvm_clock_read+0x18/0x30 [ 423.461452] ? kvm_sched_clock_read+0x9/0x20 [ 423.465861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.471391] ? check_preemption_disabled+0x48/0x280 [ 423.476411] irq_exit+0x17f/0x1c0 [ 423.479863] smp_apic_timer_interrupt+0x1cb/0x760 [ 423.484700] ? smp_reschedule_interrupt+0x109/0x650 [ 423.489719] ? smp_call_function_single_interrupt+0x650/0x650 [ 423.495688] ? interrupt_entry+0xb5/0xc0 [ 423.499743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.504754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.509768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.514605] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.519613] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.524658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.529500] apic_timer_interrupt+0xf/0x20 [ 423.533729] [ 423.535967] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 423.540897] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 423.559791] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 423.567496] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 423.574763] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 423.582031] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 423.589296] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 423.596557] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 423.603863] skb_clone+0x1bb/0x500 [ 423.607401] ? finish_task_switch+0x2f4/0x910 [ 423.611892] ? skb_split+0x11e0/0x11e0 [ 423.615776] ? preempt_notifier_register+0x200/0x200 [ 423.620871] ? __switch_to_asm+0x34/0x70 [ 423.624930] ? __switch_to_asm+0x34/0x70 [ 423.628982] ? __switch_to_asm+0x40/0x70 [ 423.633046] ? __switch_to_asm+0x34/0x70 [ 423.637104] ? __switch_to_asm+0x40/0x70 [ 423.641160] ? __switch_to_asm+0x34/0x70 [ 423.645215] ? __switch_to_asm+0x40/0x70 [ 423.649270] ? __switch_to_asm+0x34/0x70 [ 423.653332] ? __switch_to_asm+0x34/0x70 [ 423.657387] ? __switch_to_asm+0x40/0x70 [ 423.661444] ? __switch_to_asm+0x34/0x70 [ 423.665507] bpf_clone_redirect+0xb9/0x490 [ 423.669745] ? __schedule+0x8d7/0x21d0 [ 423.673635] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 423.678655] ? __sched_text_start+0x8/0x8 [ 423.682805] ? retint_kernel+0x2d/0x2d [ 423.686692] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.691631] ? find_held_lock+0x36/0x1c0 [ 423.696024] ? lock_acquire+0x1ed/0x520 [ 423.699996] ? bpf_test_run+0x3cb/0x780 [ 423.703968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.709502] ? check_preemption_disabled+0x48/0x280 [ 423.714534] ? kasan_check_read+0x11/0x20 [ 423.718681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.723951] ? rcu_softirq_qs+0x20/0x20 [ 423.727924] ? preempt_schedule+0x4d/0x60 [ 423.732078] ? ___preempt_schedule+0x16/0x18 [ 423.736489] ? bpf_test_run+0x25d/0x780 [ 423.740486] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.744898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.750429] ? bpf_test_init.isra.10+0x70/0x100 [ 423.755099] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 423.759861] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.764699] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.770232] ? fput+0x130/0x1a0 [ 423.773513] ? __bpf_prog_get+0x9b/0x290 [ 423.777574] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.782409] ? bpf_prog_test_run+0x130/0x1a0 [ 423.786816] ? __x64_sys_bpf+0x3d8/0x520 [ 423.790884] ? bpf_prog_get+0x20/0x20 [ 423.794695] ? do_syscall_64+0x1b9/0x820 [ 423.798762] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.804121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.809049] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.814062] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 423.819075] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 423.825749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.830598] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.835980] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 423.836046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.842986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.842990] Call Trace: [ 423.842996] [ 423.843012] dump_stack+0x244/0x39d [ 423.843030] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.849554] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.858857] warn_alloc.cold.116+0xb7/0x1bd [ 423.861410] syz-executor4 cpuset=syz4 mems_allowed=0 [ 423.863935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.897852] ? lock_downgrade+0x900/0x900 [ 423.902008] ? trace_hardirqs_off+0xb8/0x310 [ 423.906421] ? trace_hardirqs_off+0xb8/0x310 [ 423.910835] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.915700] ? warn_alloc+0x120/0x120 [ 423.919502] ? print_usage_bug+0xc0/0xc0 [ 423.923561] ? warn_alloc+0x120/0x120 [ 423.927359] ? warn_alloc+0x120/0x120 [ 423.931156] ? print_usage_bug+0xc0/0xc0 [ 423.935212] ? kvm_clock_read+0x18/0x30 [ 423.939180] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.944194] ? print_usage_bug+0xc0/0xc0 [ 423.948251] ? __lock_acquire+0x62f/0x4c20 [ 423.952493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.958028] ? should_fail+0x22d/0xd01 [ 423.961907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.967184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.972283] ? __lock_acquire+0x62f/0x4c20 [ 423.976522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.981621] ? __lock_acquire+0x62f/0x4c20 [ 423.985856] ? should_fail+0x22d/0xd01 [ 423.989735] ? rcu_irq_exit+0x1a2/0x390 [ 423.993711] ? mark_held_locks+0x130/0x130 [ 423.997947] ? mark_held_locks+0x130/0x130 [ 424.002179] ? mark_held_locks+0xc7/0x130 [ 424.006320] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 424.011330] ? zap_class+0x640/0x640 [ 424.015041] ? print_usage_bug+0xc0/0xc0 [ 424.019103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.024635] ? check_preemption_disabled+0x48/0x280 [ 424.029657] ? __lock_is_held+0xb5/0x140 [ 424.033716] __alloc_pages_nodemask+0xa80/0xde0 [ 424.038380] ? zap_class+0x640/0x640 [ 424.042090] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.047113] ? find_held_lock+0x36/0x1c0 [ 424.051196] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.055864] ? lock_downgrade+0x900/0x900 [ 424.060014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.065549] cache_grow_begin+0xa5/0x8c0 [ 424.069608] ? do_raw_spin_unlock+0xa7/0x330 [ 424.074019] fallback_alloc+0x204/0x2e0 [ 424.077993] ____cache_alloc_node+0x1c7/0x1e0 [ 424.082499] kmem_cache_alloc_node+0xe3/0x730 [ 424.086998] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.091241] __alloc_skb+0x119/0x770 [ 424.094951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.100229] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.104633] ? lock_downgrade+0x900/0x900 [ 424.108782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.114324] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.119780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.125225] ? addrconf_rs_timer+0x690/0x690 [ 424.129641] ndisc_alloc_skb+0x144/0x340 [ 424.133701] ndisc_send_rs+0x331/0x6e0 [ 424.137588] addrconf_rs_timer+0x314/0x690 [ 424.141822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.146061] call_timer_fn+0x272/0x920 [ 424.149942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.154174] ? process_timeout+0x40/0x40 [ 424.158237] ? mark_held_locks+0xc7/0x130 [ 424.162382] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.166870] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.171361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.175595] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.180176] ? trace_hardirqs_on+0xbd/0x310 [ 424.184504] ? kasan_check_read+0x11/0x20 [ 424.188647] ? __run_timers+0x7da/0xc70 [ 424.192617] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.197722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.201956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.206186] __run_timers+0x7e5/0xc70 [ 424.209992] ? timer_fixup_init+0x70/0x70 [ 424.214134] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.219145] ? zap_class+0x640/0x640 [ 424.222862] ? print_usage_bug+0xc0/0xc0 [ 424.226920] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.232114] ? find_held_lock+0x36/0x1c0 [ 424.236181] ? zap_class+0x640/0x640 [ 424.239897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.245429] ? check_preemption_disabled+0x48/0x280 [ 424.250457] ? __lock_is_held+0xb5/0x140 [ 424.254530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.260065] ? check_preemption_disabled+0x48/0x280 [ 424.265083] run_timer_softirq+0x52/0xb0 [ 424.269137] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.274149] __do_softirq+0x308/0xb7e [ 424.277951] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.282444] ? lock_downgrade+0x900/0x900 [ 424.286596] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.291709] ? pvclock_read_flags+0x160/0x160 [ 424.296199] ? lapic_next_event+0x5a/0x90 [ 424.300344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.305880] ? kvm_clock_read+0x18/0x30 [ 424.309847] ? kvm_sched_clock_read+0x9/0x20 [ 424.314250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.319784] ? check_preemption_disabled+0x48/0x280 [ 424.324809] irq_exit+0x17f/0x1c0 [ 424.328261] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.333099] ? smp_reschedule_interrupt+0x109/0x650 [ 424.338109] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.343993] ? interrupt_entry+0xb5/0xc0 [ 424.348050] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.353059] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.358071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.362911] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.367919] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.372926] ? task_prio+0x50/0x50 [ 424.376488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.382021] ? check_preemption_disabled+0x48/0x280 [ 424.387034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.391876] apic_timer_interrupt+0xf/0x20 [ 424.396099] [ 424.398334] RIP: 0010:dump_stack+0x358/0x39d [ 424.402737] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 424.421631] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 424.429336] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 424.436612] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 424.443876] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 424.451139] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 424.458401] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 424.465682] ? dump_stack+0x34f/0x39d [ 424.469497] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.474683] ? mark_held_locks+0x130/0x130 [ 424.478910] ? mark_held_locks+0x130/0x130 [ 424.483147] dump_header+0x27b/0xf72 [ 424.486865] ? pagefault_out_of_memory+0x197/0x197 [ 424.491796] ? __lock_acquire+0x62f/0x4c20 [ 424.496026] ? percpu_ref_get_many+0x240/0x240 [ 424.500610] ? print_usage_bug+0xc0/0xc0 [ 424.504671] ? zap_class+0x640/0x640 [ 424.508381] ? print_usage_bug+0xc0/0xc0 [ 424.512441] ? print_usage_bug+0xc0/0xc0 [ 424.516518] ? zap_class+0x640/0x640 [ 424.520491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.526026] ? find_held_lock+0x36/0x1c0 [ 424.530528] ? mark_held_locks+0xc7/0x130 [ 424.534673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.539775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.544873] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.549465] ? trace_hardirqs_on+0xbd/0x310 [ 424.553780] ? kasan_check_read+0x11/0x20 [ 424.557932] ? ___ratelimit+0x3b4/0x672 [ 424.561903] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.567000] ? trace_hardirqs_on+0x310/0x310 [ 424.571402] ? lock_downgrade+0x900/0x900 [ 424.575556] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.580654] ? ___ratelimit+0x3b9/0x672 [ 424.584623] ? idr_get_free+0xf70/0xf70 [ 424.588605] ? find_held_lock+0x36/0x1c0 [ 424.592676] oom_kill_process.cold.27+0x10/0x903 [ 424.597438] ? zap_class+0x640/0x640 [ 424.601154] ? check_preemption_disabled+0x48/0x280 [ 424.606168] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.611092] ? kasan_check_read+0x11/0x20 [ 424.615231] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.620502] ? oom_evaluate_task+0x540/0x540 [ 424.624909] ? find_held_lock+0x36/0x1c0 [ 424.628974] ? out_of_memory+0x974/0x1430 [ 424.633118] ? lock_downgrade+0x900/0x900 [ 424.637261] ? check_preemption_disabled+0x48/0x280 [ 424.642277] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.647197] ? kasan_check_read+0x11/0x20 [ 424.651343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.656611] ? rcu_softirq_qs+0x20/0x20 [ 424.660587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.666122] ? oom_evaluate_task+0x302/0x540 [ 424.670534] out_of_memory+0xa84/0x1430 [ 424.674515] ? oom_killer_disable+0x3a0/0x3a0 [ 424.679015] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 424.683945] ? __ww_mutex_check_waiters+0x160/0x160 [ 424.688967] __alloc_pages_slowpath+0x2354/0x2e10 [ 424.694006] ? warn_alloc+0x120/0x120 [ 424.697798] ? mark_held_locks+0x130/0x130 [ 424.702035] ? find_get_entry+0xaae/0x1120 [ 424.706272] ? filemap_map_pages+0x1a20/0x1a20 [ 424.710851] ? zap_class+0x640/0x640 [ 424.714570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.720102] ? check_preemption_disabled+0x48/0x280 [ 424.725591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.731123] ? should_fail+0x22d/0xd01 [ 424.735007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.740105] ? zap_class+0x640/0x640 [ 424.743838] ? __lock_is_held+0xb5/0x140 [ 424.747905] ? mark_held_locks+0x130/0x130 [ 424.752137] ? lock_release+0xa00/0xa00 [ 424.756109] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.761555] ? xa_load+0x2ba/0x460 [ 424.765096] ? lock_downgrade+0x900/0x900 [ 424.769246] ? __might_sleep+0x95/0x190 [ 424.773223] __alloc_pages_nodemask+0xa80/0xde0 [ 424.777897] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.782910] ? __page_cache_alloc+0x191/0x5c0 [ 424.787398] ? xa_load+0x2e1/0x460 [ 424.790943] ? xa_clear_mark+0x40/0x40 [ 424.794831] ? zap_class+0x640/0x640 [ 424.798547] ? zap_class+0x640/0x640 [ 424.802258] ? zap_class+0x640/0x640 [ 424.805970] ? __do_page_cache_readahead+0x663/0x810 [ 424.811075] ? find_held_lock+0x36/0x1c0 [ 424.815139] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 424.820680] alloc_pages_current+0x173/0x350 [ 424.825091] __page_cache_alloc+0x38c/0x5c0 [ 424.829404] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.834336] ? kasan_check_read+0x11/0x20 [ 424.838478] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.843751] ? generic_perform_write+0x6a0/0x6a0 [ 424.848505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.854036] ? check_preemption_disabled+0x48/0x280 [ 424.859056] filemap_fault+0x1595/0x25f0 [ 424.863126] ? __lock_page_or_retry+0xa00/0xa00 [ 424.867796] ? mark_held_locks+0x130/0x130 [ 424.872043] ? filemap_map_pages+0xd6b/0x1a20 [ 424.876546] ? lock_downgrade+0x900/0x900 [ 424.880687] ? check_preemption_disabled+0x48/0x280 [ 424.885702] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.890630] ? kasan_check_read+0x11/0x20 [ 424.894771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.900043] ? rcu_softirq_qs+0x20/0x20 [ 424.904025] ? filemap_map_pages+0xd92/0x1a20 [ 424.908525] ? find_get_entries_tag+0x1400/0x1400 [ 424.913366] ? debug_object_destroy+0x2b0/0x2b0 [ 424.918031] ? lock_pi_update_atomic+0x150/0x150 [ 424.922783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.928327] ? lock_acquire+0x1ed/0x520 [ 424.932295] ? ext4_filemap_fault+0x7a/0xad [ 424.936617] ? lock_release+0xa00/0xa00 [ 424.940601] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.946046] ? print_usage_bug+0xc0/0xc0 [ 424.950106] ? print_usage_bug+0xc0/0xc0 [ 424.954173] ? down_read+0x8d/0x120 [ 424.957792] ? ext4_filemap_fault+0x7a/0xad [ 424.962110] ? __down_interruptible+0x700/0x700 [ 424.966781] ext4_filemap_fault+0x82/0xad [ 424.970927] __do_fault+0x100/0x6b0 [ 424.974556] ? pmd_devmap_trans_unstable+0x220/0x220 [ 424.979662] ? mark_held_locks+0x130/0x130 [ 424.983896] ? mark_held_locks+0x130/0x130 [ 424.988130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.993662] ? check_preemption_disabled+0x48/0x280 [ 424.998678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.004215] __handle_mm_fault+0x3ea0/0x5be0 [ 425.008627] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 425.013469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.019004] ? __fpu__restore_sig+0x62f/0x1680 [ 425.023599] ? zap_class+0x640/0x640 [ 425.027309] ? zap_class+0x640/0x640 [ 425.031013] ? __x64_sys_futex+0x53e/0x6a0 [ 425.035246] ? find_held_lock+0x36/0x1c0 [ 425.039308] ? handle_mm_fault+0x42a/0xc70 [ 425.043544] ? lock_downgrade+0x900/0x900 [ 425.047694] ? check_preemption_disabled+0x48/0x280 [ 425.052707] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.057631] ? kasan_check_read+0x11/0x20 [ 425.061795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.067068] ? rcu_softirq_qs+0x20/0x20 [ 425.071037] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.076151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.081686] ? check_preemption_disabled+0x48/0x280 [ 425.086714] handle_mm_fault+0x54f/0xc70 [ 425.090772] ? __handle_mm_fault+0x5be0/0x5be0 [ 425.095367] ? find_vma+0x34/0x190 [ 425.098914] __do_page_fault+0x5e8/0xe60 [ 425.102968] ? trace_hardirqs_off+0xb8/0x310 [ 425.107369] ? exit_to_usermode_loop+0x1f4/0x380 [ 425.112136] do_page_fault+0xf2/0x7e0 [ 425.115935] ? vmalloc_sync_all+0x30/0x30 [ 425.120080] ? error_entry+0x70/0xd0 [ 425.123792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.128811] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.133742] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.138664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.143504] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.148516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.153968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.158978] ? page_fault+0x8/0x30 [ 425.162516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.167356] ? page_fault+0x8/0x30 [ 425.170898] page_fault+0x1e/0x30 [ 425.174346] RIP: 0033:0x45ddf3 [ 425.177553] Code: Bad RIP value. [ 425.180911] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 425.186272] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 425.193536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 425.200797] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 425.208072] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 425.215333] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 425.222622] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 425.222626] warn_alloc_show_mem: 1 callbacks suppressed [ 425.222632] Mem-Info: [ 425.229978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.229986] Call Trace: [ 425.235353] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 425.235353] active_file:14 inactive_file:13 isolated_file:0 [ 425.235353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.235353] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 425.235353] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 425.235353] free:13747 free_pcp:512 free_cma:0 [ 425.237725] [ 425.247168] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.249743] dump_stack+0x244/0x39d [ 425.282598] 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 [ 425.284753] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.312208] lowmem_reserve[]: 0 2818 6321 6321 [ 425.316018] warn_alloc.cold.116+0xb7/0x1bd [ 425.342090] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.347273] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.351828] lowmem_reserve[]: 0 0 3503 3503 [ 425.356147] ? lock_downgrade+0x900/0x900 [ 425.383540] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 425.388386] ? trace_hardirqs_off+0xb8/0x310 [ 425.392677] lowmem_reserve[]: 0 0 0 0 [ 425.396824] ? trace_hardirqs_off+0xb8/0x310 [ 425.425856] 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 [ 425.430272] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.434043] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 425.438466] ? warn_alloc+0x120/0x120 [ 425.451938] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 425.456772] ? print_usage_bug+0xc0/0xc0 [ 425.472008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.475789] ? warn_alloc+0x120/0x120 [ 425.490150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.490158] 165 total pagecache pages [ 425.494208] ? warn_alloc+0x120/0x120 [ 425.503109] 0 pages in swap cache [ 425.506899] ? print_usage_bug+0xc0/0xc0 [ 425.515439] Swap cache stats: add 0, delete 0, find 0/0 [ 425.515446] Free swap = 0kB [ 425.519237] ? print_usage_bug+0xc0/0xc0 [ 425.523005] Total swap = 0kB [ 425.523012] 1965979 pages RAM [ 425.523016] 0 pages HighMem/MovableOnly [ 425.523024] 342855 pages reserved [ 425.526485] ? __lock_acquire+0x62f/0x4c20 [ 425.530513] 0 pages cma reserved [ 425.530575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.535881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.535898] ? should_fail+0x22d/0xd01 [ 425.538940] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.542938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.545928] syz-fuzzer cpuset=/ mems_allowed=0 [ 425.549019] ? __lock_acquire+0x62f/0x4c20 [ 425.603894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.608992] ? __lock_acquire+0x62f/0x4c20 [ 425.613219] ? should_fail+0x22d/0xd01 [ 425.617102] ? find_held_lock+0x36/0x1c0 [ 425.621188] ? mark_held_locks+0x130/0x130 [ 425.625426] ? mark_held_locks+0x130/0x130 [ 425.629654] ? zap_class+0x640/0x640 [ 425.633369] ? zap_class+0x640/0x640 [ 425.637081] ? print_usage_bug+0xc0/0xc0 [ 425.641133] ? do_raw_spin_unlock+0xa7/0x330 [ 425.645537] ? zap_class+0x640/0x640 [ 425.649245] ? print_usage_bug+0xc0/0xc0 [ 425.653302] ? wq_watchdog_touch+0x9c/0xfe [ 425.657540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.663074] ? check_preemption_disabled+0x48/0x280 [ 425.668095] ? __lock_is_held+0xb5/0x140 [ 425.672162] __alloc_pages_nodemask+0xa80/0xde0 [ 425.676838] ? zap_class+0x640/0x640 [ 425.680564] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.685584] ? find_held_lock+0x36/0x1c0 [ 425.689653] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.694324] ? lock_downgrade+0x900/0x900 [ 425.698482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.704018] cache_grow_begin+0xa5/0x8c0 [ 425.708079] ? do_raw_spin_unlock+0xa7/0x330 [ 425.712489] fallback_alloc+0x204/0x2e0 [ 425.716554] ____cache_alloc_node+0x1c7/0x1e0 [ 425.721042] kmem_cache_alloc_node+0xe3/0x730 [ 425.725529] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.729786] __alloc_skb+0x119/0x770 [ 425.733497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.738782] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.743189] ? lock_downgrade+0x900/0x900 [ 425.747344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.752879] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.758336] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.763783] ? addrconf_rs_timer+0x690/0x690 [ 425.768196] ndisc_alloc_skb+0x144/0x340 [ 425.772255] ndisc_send_rs+0x331/0x6e0 [ 425.776141] addrconf_rs_timer+0x314/0x690 [ 425.780388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.784632] call_timer_fn+0x272/0x920 [ 425.788521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.792753] ? process_timeout+0x40/0x40 [ 425.796820] ? __run_timers+0x7da/0xc70 [ 425.800796] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.805290] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.809783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.814012] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.818597] ? trace_hardirqs_on+0xbd/0x310 [ 425.823011] ? kasan_check_read+0x11/0x20 [ 425.827154] ? __run_timers+0x7da/0xc70 [ 425.831125] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.836226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.840460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.844688] __run_timers+0x7e5/0xc70 [ 425.848494] ? timer_fixup_init+0x70/0x70 [ 425.852641] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.857739] ? zap_class+0x640/0x640 [ 425.862096] ? enqueue_hrtimer+0x1a5/0x560 [ 425.866335] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.871531] ? find_held_lock+0x36/0x1c0 [ 425.875595] ? zap_class+0x640/0x640 [ 425.879305] ? pvclock_read_flags+0x160/0x160 [ 425.883810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.889888] ? check_preemption_disabled+0x48/0x280 [ 425.894912] ? __lock_is_held+0xb5/0x140 [ 425.898971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.904505] ? check_preemption_disabled+0x48/0x280 [ 425.909519] run_timer_softirq+0x52/0xb0 [ 425.913581] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.918595] __do_softirq+0x308/0xb7e [ 425.922393] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.926880] ? lock_downgrade+0x900/0x900 [ 425.931024] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.936130] ? pvclock_read_flags+0x160/0x160 [ 425.940624] ? lapic_next_event+0x5a/0x90 [ 425.944770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.950313] ? kvm_clock_read+0x18/0x30 [ 425.954282] ? kvm_sched_clock_read+0x9/0x20 [ 425.958706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.964241] ? check_preemption_disabled+0x48/0x280 [ 425.969434] irq_exit+0x17f/0x1c0 [ 425.972882] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.977720] ? smp_reschedule_interrupt+0x109/0x650 [ 425.982732] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.988610] ? interrupt_entry+0xb5/0xc0 [ 425.992665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.997679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.002691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.007530] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.012539] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.017566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.022414] apic_timer_interrupt+0xf/0x20 [ 426.026638] [ 426.028873] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 426.033799] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 426.052704] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.060406] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.067668] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 426.074934] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 426.082198] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.089464] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 426.096766] skb_clone+0x1bb/0x500 [ 426.100310] ? finish_task_switch+0x2f4/0x910 [ 426.104804] ? skb_split+0x11e0/0x11e0 [ 426.108690] ? preempt_notifier_register+0x200/0x200 [ 426.113790] ? __switch_to_asm+0x34/0x70 [ 426.117848] ? __switch_to_asm+0x34/0x70 [ 426.121902] ? __switch_to_asm+0x40/0x70 [ 426.125958] ? __switch_to_asm+0x34/0x70 [ 426.130012] ? __switch_to_asm+0x40/0x70 [ 426.134066] ? __switch_to_asm+0x34/0x70 [ 426.138122] ? __switch_to_asm+0x40/0x70 [ 426.142175] ? __switch_to_asm+0x34/0x70 [ 426.146234] ? __switch_to_asm+0x34/0x70 [ 426.150296] ? __switch_to_asm+0x40/0x70 [ 426.154371] ? __switch_to_asm+0x34/0x70 [ 426.158455] bpf_clone_redirect+0xb9/0x490 [ 426.162687] ? __schedule+0x8d7/0x21d0 [ 426.166582] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 426.171609] ? __sched_text_start+0x8/0x8 [ 426.175756] ? retint_kernel+0x2d/0x2d [ 426.179639] ? trace_hardirqs_on_caller+0xc0/0x310 [ 426.184571] ? find_held_lock+0x36/0x1c0 [ 426.188634] ? lock_acquire+0x1ed/0x520 [ 426.192605] ? bpf_test_run+0x3cb/0x780 [ 426.196578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.202122] ? check_preemption_disabled+0x48/0x280 [ 426.207138] ? kasan_check_read+0x11/0x20 [ 426.211286] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.216556] ? rcu_softirq_qs+0x20/0x20 [ 426.220524] ? preempt_schedule+0x4d/0x60 [ 426.224670] ? ___preempt_schedule+0x16/0x18 [ 426.229079] ? bpf_test_run+0x25d/0x780 [ 426.233058] ? netlink_diag_dump+0x2a0/0x2a0 [ 426.237462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.243001] ? bpf_test_init.isra.10+0x70/0x100 [ 426.247672] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 426.252434] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 426.257273] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.262816] ? fput+0x130/0x1a0 [ 426.266091] ? __bpf_prog_get+0x9b/0x290 [ 426.270149] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 426.274988] ? bpf_prog_test_run+0x130/0x1a0 [ 426.279394] ? __x64_sys_bpf+0x3d8/0x520 [ 426.283448] ? bpf_prog_get+0x20/0x20 [ 426.287271] ? do_syscall_64+0x1b9/0x820 [ 426.291334] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 426.296695] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.301636] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.306647] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 426.311657] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 426.318328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.323178] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.328553] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 426.328615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.335562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.335567] Call Trace: [ 426.335573] [ 426.335589] dump_stack+0x244/0x39d [ 426.335607] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.342124] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.351426] warn_alloc.cold.116+0xb7/0x1bd [ 426.353975] syz-executor4 cpuset=syz4 mems_allowed=0 [ 426.356113] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.389657] ? lock_downgrade+0x900/0x900 [ 426.393805] ? trace_hardirqs_off+0xb8/0x310 [ 426.398224] ? trace_hardirqs_off+0xb8/0x310 [ 426.402652] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.407522] ? warn_alloc+0x120/0x120 [ 426.411319] ? print_usage_bug+0xc0/0xc0 [ 426.415376] ? warn_alloc+0x120/0x120 [ 426.419178] ? warn_alloc+0x120/0x120 [ 426.422975] ? print_usage_bug+0xc0/0xc0 [ 426.427036] ? print_usage_bug+0xc0/0xc0 [ 426.431100] ? __lock_acquire+0x62f/0x4c20 [ 426.435336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.440868] ? should_fail+0x22d/0xd01 [ 426.444755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.449857] ? __lock_acquire+0x62f/0x4c20 [ 426.454095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.459192] ? __lock_acquire+0x62f/0x4c20 [ 426.463418] ? should_fail+0x22d/0xd01 [ 426.467304] ? find_held_lock+0x36/0x1c0 [ 426.471369] ? mark_held_locks+0x130/0x130 [ 426.475606] ? mark_held_locks+0x130/0x130 [ 426.479835] ? zap_class+0x640/0x640 [ 426.483543] ? zap_class+0x640/0x640 [ 426.487250] ? print_usage_bug+0xc0/0xc0 [ 426.491491] ? do_raw_spin_unlock+0xa7/0x330 [ 426.495898] ? zap_class+0x640/0x640 [ 426.499609] ? print_usage_bug+0xc0/0xc0 [ 426.503671] ? wq_watchdog_touch+0x9c/0xfe [ 426.507920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.513453] ? check_preemption_disabled+0x48/0x280 [ 426.518473] ? __lock_is_held+0xb5/0x140 [ 426.522539] __alloc_pages_nodemask+0xa80/0xde0 [ 426.527206] ? zap_class+0x640/0x640 [ 426.530921] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.535940] ? find_held_lock+0x36/0x1c0 [ 426.540006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.544675] ? lock_downgrade+0x900/0x900 [ 426.548828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.554364] cache_grow_begin+0xa5/0x8c0 [ 426.558420] ? do_raw_spin_unlock+0xa7/0x330 [ 426.562834] fallback_alloc+0x204/0x2e0 [ 426.566808] ____cache_alloc_node+0x1c7/0x1e0 [ 426.571326] kmem_cache_alloc_node+0xe3/0x730 [ 426.575825] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.580067] __alloc_skb+0x119/0x770 [ 426.583779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.589062] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.593474] ? lock_downgrade+0x900/0x900 [ 426.597627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.603158] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.608605] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.614047] ? addrconf_rs_timer+0x690/0x690 [ 426.618461] ndisc_alloc_skb+0x144/0x340 [ 426.622522] ndisc_send_rs+0x331/0x6e0 [ 426.626408] addrconf_rs_timer+0x314/0x690 [ 426.630642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.634882] call_timer_fn+0x272/0x920 [ 426.638767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.642996] ? process_timeout+0x40/0x40 [ 426.647062] ? mark_held_locks+0xc7/0x130 [ 426.651212] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.655708] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.660197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.664427] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.669006] ? trace_hardirqs_on+0xbd/0x310 [ 426.673322] ? kasan_check_read+0x11/0x20 [ 426.677465] ? __run_timers+0x7da/0xc70 [ 426.681437] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.686538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.690774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.695005] __run_timers+0x7e5/0xc70 [ 426.698810] ? timer_fixup_init+0x70/0x70 [ 426.702954] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.707964] ? zap_class+0x640/0x640 [ 426.711675] ? print_usage_bug+0xc0/0xc0 [ 426.715732] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.721319] ? find_held_lock+0x36/0x1c0 [ 426.725382] ? zap_class+0x640/0x640 [ 426.729097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.734628] ? check_preemption_disabled+0x48/0x280 [ 426.739647] ? __lock_is_held+0xb5/0x140 [ 426.743703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.749240] ? check_preemption_disabled+0x48/0x280 [ 426.754268] run_timer_softirq+0x52/0xb0 [ 426.758324] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.763337] __do_softirq+0x308/0xb7e [ 426.767135] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.771623] ? lock_downgrade+0x900/0x900 [ 426.775782] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.780899] ? pvclock_read_flags+0x160/0x160 [ 426.785396] ? lapic_next_event+0x5a/0x90 [ 426.789544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.795079] ? kvm_clock_read+0x18/0x30 [ 426.799052] ? kvm_sched_clock_read+0x9/0x20 [ 426.803457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.808990] ? check_preemption_disabled+0x48/0x280 [ 426.814013] irq_exit+0x17f/0x1c0 [ 426.817470] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.822309] ? smp_reschedule_interrupt+0x109/0x650 [ 426.827320] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.833200] ? interrupt_entry+0xb5/0xc0 [ 426.837269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.842282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.847296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.852136] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.857149] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.862161] ? task_prio+0x50/0x50 [ 426.865699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.871240] ? check_preemption_disabled+0x48/0x280 [ 426.876267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.881111] apic_timer_interrupt+0xf/0x20 [ 426.885334] [ 426.887566] RIP: 0010:dump_stack+0x358/0x39d [ 426.891972] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 426.910866] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.918568] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 426.925831] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 426.933098] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 426.940364] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 426.947625] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 426.954907] ? dump_stack+0x34f/0x39d [ 426.958750] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.963938] ? mark_held_locks+0x130/0x130 [ 426.968167] ? mark_held_locks+0x130/0x130 [ 426.972404] dump_header+0x27b/0xf72 [ 426.976123] ? pagefault_out_of_memory+0x197/0x197 [ 426.981058] ? __lock_acquire+0x62f/0x4c20 [ 426.985294] ? percpu_ref_get_many+0x240/0x240 [ 426.989875] ? print_usage_bug+0xc0/0xc0 [ 426.993956] ? zap_class+0x640/0x640 [ 426.997670] ? print_usage_bug+0xc0/0xc0 [ 427.001728] ? print_usage_bug+0xc0/0xc0 [ 427.005784] ? zap_class+0x640/0x640 [ 427.009500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.015035] ? find_held_lock+0x36/0x1c0 [ 427.019097] ? mark_held_locks+0xc7/0x130 [ 427.023251] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.028349] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.033445] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.038024] ? trace_hardirqs_on+0xbd/0x310 [ 427.042344] ? kasan_check_read+0x11/0x20 [ 427.046487] ? ___ratelimit+0x3b4/0x672 [ 427.050458] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.055558] ? trace_hardirqs_on+0x310/0x310 [ 427.059961] ? lock_downgrade+0x900/0x900 [ 427.064107] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.069214] ? ___ratelimit+0x3b9/0x672 [ 427.073187] ? idr_get_free+0xf70/0xf70 [ 427.077161] ? find_held_lock+0x36/0x1c0 [ 427.081237] oom_kill_process.cold.27+0x10/0x903 [ 427.085990] ? zap_class+0x640/0x640 [ 427.089715] ? check_preemption_disabled+0x48/0x280 [ 427.094736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.099663] ? kasan_check_read+0x11/0x20 [ 427.103807] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.109079] ? oom_evaluate_task+0x540/0x540 [ 427.113485] ? find_held_lock+0x36/0x1c0 [ 427.117552] ? out_of_memory+0x974/0x1430 [ 427.121695] ? lock_downgrade+0x900/0x900 [ 427.125841] ? check_preemption_disabled+0x48/0x280 [ 427.130854] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.135776] ? kasan_check_read+0x11/0x20 [ 427.139919] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.145191] ? rcu_softirq_qs+0x20/0x20 [ 427.149174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.154708] ? oom_evaluate_task+0x302/0x540 [ 427.159114] out_of_memory+0xa84/0x1430 [ 427.163178] ? oom_killer_disable+0x3a0/0x3a0 [ 427.167674] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 427.172610] ? __ww_mutex_check_waiters+0x160/0x160 [ 427.177643] __alloc_pages_slowpath+0x2354/0x2e10 [ 427.182506] ? warn_alloc+0x120/0x120 [ 427.186310] ? mark_held_locks+0x130/0x130 [ 427.190542] ? find_get_entry+0xaae/0x1120 [ 427.194784] ? filemap_map_pages+0x1a20/0x1a20 [ 427.199365] ? zap_class+0x640/0x640 [ 427.203094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.208628] ? check_preemption_disabled+0x48/0x280 [ 427.213645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.219176] ? should_fail+0x22d/0xd01 [ 427.223065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.228179] ? zap_class+0x640/0x640 [ 427.231926] ? __lock_is_held+0xb5/0x140 [ 427.235988] ? mark_held_locks+0x130/0x130 [ 427.240228] ? lock_release+0xa00/0xa00 [ 427.244220] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.249666] ? xa_load+0x2ba/0x460 [ 427.253219] ? lock_downgrade+0x900/0x900 [ 427.257370] ? __might_sleep+0x95/0x190 [ 427.261347] __alloc_pages_nodemask+0xa80/0xde0 [ 427.266018] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.271031] ? __page_cache_alloc+0x191/0x5c0 [ 427.275517] ? xa_load+0x2e1/0x460 [ 427.279065] ? xa_clear_mark+0x40/0x40 [ 427.282948] ? zap_class+0x640/0x640 [ 427.286662] ? zap_class+0x640/0x640 [ 427.290373] ? zap_class+0x640/0x640 [ 427.294080] ? __do_page_cache_readahead+0x663/0x810 [ 427.299211] ? find_held_lock+0x36/0x1c0 [ 427.303270] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.308827] alloc_pages_current+0x173/0x350 [ 427.313408] __page_cache_alloc+0x38c/0x5c0 [ 427.317726] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.322652] ? kasan_check_read+0x11/0x20 [ 427.326879] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.332152] ? generic_perform_write+0x6a0/0x6a0 [ 427.336911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.342454] ? check_preemption_disabled+0x48/0x280 [ 427.347481] filemap_fault+0x1595/0x25f0 [ 427.351557] ? __lock_page_or_retry+0xa00/0xa00 [ 427.356233] ? mark_held_locks+0x130/0x130 [ 427.360487] ? filemap_map_pages+0xd6b/0x1a20 [ 427.364997] ? lock_downgrade+0x900/0x900 [ 427.369141] ? check_preemption_disabled+0x48/0x280 [ 427.374156] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.379096] ? kasan_check_read+0x11/0x20 [ 427.383237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.388510] ? rcu_softirq_qs+0x20/0x20 [ 427.392495] ? filemap_map_pages+0xd92/0x1a20 [ 427.396997] ? find_get_entries_tag+0x1400/0x1400 [ 427.401836] ? debug_object_destroy+0x2b0/0x2b0 [ 427.406499] ? lock_pi_update_atomic+0x150/0x150 [ 427.411257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.416803] ? lock_acquire+0x1ed/0x520 [ 427.420775] ? ext4_filemap_fault+0x7a/0xad [ 427.425101] ? lock_release+0xa00/0xa00 [ 427.429068] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.434515] ? print_usage_bug+0xc0/0xc0 [ 427.438572] ? print_usage_bug+0xc0/0xc0 [ 427.442638] ? down_read+0x8d/0x120 [ 427.446259] ? ext4_filemap_fault+0x7a/0xad [ 427.450575] ? __down_interruptible+0x700/0x700 [ 427.455244] ext4_filemap_fault+0x82/0xad [ 427.459386] __do_fault+0x100/0x6b0 [ 427.463011] ? pmd_devmap_trans_unstable+0x220/0x220 [ 427.468109] ? mark_held_locks+0x130/0x130 [ 427.472341] ? mark_held_locks+0x130/0x130 [ 427.476574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.482106] ? check_preemption_disabled+0x48/0x280 [ 427.487120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.492745] __handle_mm_fault+0x3ea0/0x5be0 [ 427.497156] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 427.502006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.507538] ? __fpu__restore_sig+0x62f/0x1680 [ 427.512142] ? zap_class+0x640/0x640 [ 427.515863] ? zap_class+0x640/0x640 [ 427.519573] ? __x64_sys_futex+0x53e/0x6a0 [ 427.523804] ? find_held_lock+0x36/0x1c0 [ 427.527887] ? handle_mm_fault+0x42a/0xc70 [ 427.532117] ? lock_downgrade+0x900/0x900 [ 427.536266] ? check_preemption_disabled+0x48/0x280 [ 427.541280] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.546305] ? kasan_check_read+0x11/0x20 [ 427.550448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.555720] ? rcu_softirq_qs+0x20/0x20 [ 427.559694] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.564794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.570327] ? check_preemption_disabled+0x48/0x280 [ 427.575345] handle_mm_fault+0x54f/0xc70 [ 427.579407] ? __handle_mm_fault+0x5be0/0x5be0 [ 427.583987] ? find_vma+0x34/0x190 [ 427.587530] __do_page_fault+0x5e8/0xe60 [ 427.591583] ? trace_hardirqs_off+0xb8/0x310 [ 427.595984] ? exit_to_usermode_loop+0x1f4/0x380 [ 427.600743] do_page_fault+0xf2/0x7e0 [ 427.604538] ? vmalloc_sync_all+0x30/0x30 [ 427.608682] ? error_entry+0x70/0xd0 [ 427.612391] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.617401] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.622323] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.627245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.632097] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.637109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.642556] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.647569] ? page_fault+0x8/0x30 [ 427.651109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.655950] ? page_fault+0x8/0x30 [ 427.659482] page_fault+0x1e/0x30 [ 427.662931] RIP: 0033:0x45ddf3 [ 427.666128] Code: Bad RIP value. [ 427.669488] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 427.674842] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 427.682117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 427.689383] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 427.696647] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 427.703908] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 427.711218] warn_alloc_show_mem: 1 callbacks suppressed [ 427.711229] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 427.711230] Mem-Info: [ 427.711261] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 427.711261] active_file:14 inactive_file:13 isolated_file:0 [ 427.711261] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.711261] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 427.711261] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 427.711261] free:13747 free_pcp:512 free_cma:0 [ 427.716593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.724221] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.726606] Call Trace: [ 427.759462] 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 [ 427.768801] [ 427.796268] lowmem_reserve[]: 0 2818 6321 6321 [ 427.798853] dump_stack+0x244/0x39d [ 427.825014] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.827168] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.831713] lowmem_reserve[]: 0 0 3503 3503 [ 427.835347] warn_alloc.cold.116+0xb7/0x1bd [ 427.862635] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 427.867819] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.872106] lowmem_reserve[]: 0 0 0 0 [ 427.876432] ? lock_downgrade+0x900/0x900 [ 427.905863] 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 [ 427.910715] ? trace_hardirqs_off+0xb8/0x310 [ 427.914471] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 427.918613] ? trace_hardirqs_off+0xb8/0x310 [ 427.932099] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 427.936516] __alloc_pages_slowpath+0x26e8/0x2e10 [ 427.951745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.956167] ? warn_alloc+0x120/0x120 [ 427.970522] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.970531] 165 total pagecache pages [ 427.975363] ? print_usage_bug+0xc0/0xc0 [ 427.984174] 0 pages in swap cache [ 427.987956] ? warn_alloc+0x120/0x120 [ 427.996503] Swap cache stats: add 0, delete 0, find 0/0 [ 428.000287] ? warn_alloc+0x120/0x120 [ 428.004319] Free swap = 0kB [ 428.007761] ? print_usage_bug+0xc0/0xc0 [ 428.011533] Total swap = 0kB [ 428.016883] ? print_usage_bug+0xc0/0xc0 [ 428.020655] 1965979 pages RAM [ 428.023664] ? __lock_acquire+0x62f/0x4c20 [ 428.027689] 0 pages HighMem/MovableOnly [ 428.027696] 342855 pages reserved [ 428.030705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.034731] 0 pages cma reserved [ 428.037823] ? should_fail+0x22d/0xd01 [ 428.042098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.045985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.045999] ? __lock_acquire+0x62f/0x4c20 [ 428.046018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.049490] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.054963] ? __lock_acquire+0x62f/0x4c20 [ 428.058302] syz-fuzzer cpuset=/ mems_allowed=0 [ 428.062177] ? should_fail+0x22d/0xd01 [ 428.105895] ? find_held_lock+0x36/0x1c0 [ 428.109960] ? mark_held_locks+0x130/0x130 [ 428.114193] ? mark_held_locks+0x130/0x130 [ 428.118420] ? zap_class+0x640/0x640 [ 428.122138] ? zap_class+0x640/0x640 [ 428.125850] ? print_usage_bug+0xc0/0xc0 [ 428.130005] ? do_raw_spin_unlock+0xa7/0x330 [ 428.134411] ? zap_class+0x640/0x640 [ 428.138140] ? print_usage_bug+0xc0/0xc0 [ 428.142197] ? wq_watchdog_touch+0x9c/0xfe [ 428.146433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.151964] ? check_preemption_disabled+0x48/0x280 [ 428.156989] ? __lock_is_held+0xb5/0x140 [ 428.161051] __alloc_pages_nodemask+0xa80/0xde0 [ 428.165715] ? zap_class+0x640/0x640 [ 428.169434] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.174455] ? find_held_lock+0x36/0x1c0 [ 428.178524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.183190] ? lock_downgrade+0x900/0x900 [ 428.187342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.192884] cache_grow_begin+0xa5/0x8c0 [ 428.196938] ? do_raw_spin_unlock+0xa7/0x330 [ 428.201349] fallback_alloc+0x204/0x2e0 [ 428.205322] ____cache_alloc_node+0x1c7/0x1e0 [ 428.209821] kmem_cache_alloc_node+0xe3/0x730 [ 428.214310] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.218552] __alloc_skb+0x119/0x770 [ 428.222260] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.227536] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.231939] ? lock_downgrade+0x900/0x900 [ 428.236088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.241632] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.247079] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.252532] ? addrconf_rs_timer+0x690/0x690 [ 428.256950] ndisc_alloc_skb+0x144/0x340 [ 428.261017] ndisc_send_rs+0x331/0x6e0 [ 428.264907] addrconf_rs_timer+0x314/0x690 [ 428.269143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.273469] call_timer_fn+0x272/0x920 [ 428.277352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.281584] ? process_timeout+0x40/0x40 [ 428.285647] ? __run_timers+0x7da/0xc70 [ 428.289631] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.294127] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.298622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.302856] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.307433] ? trace_hardirqs_on+0xbd/0x310 [ 428.311751] ? kasan_check_read+0x11/0x20 [ 428.315890] ? __run_timers+0x7da/0xc70 [ 428.319860] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.324959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.329192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.333422] __run_timers+0x7e5/0xc70 [ 428.337226] ? timer_fixup_init+0x70/0x70 [ 428.341379] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.346392] ? zap_class+0x640/0x640 [ 428.350111] ? enqueue_hrtimer+0x1a5/0x560 [ 428.354345] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.359540] ? find_held_lock+0x36/0x1c0 [ 428.363601] ? zap_class+0x640/0x640 [ 428.367323] ? pvclock_read_flags+0x160/0x160 [ 428.371813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.377442] ? check_preemption_disabled+0x48/0x280 [ 428.382475] ? __lock_is_held+0xb5/0x140 [ 428.386530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.392069] ? check_preemption_disabled+0x48/0x280 [ 428.397109] run_timer_softirq+0x52/0xb0 [ 428.401170] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.406185] __do_softirq+0x308/0xb7e [ 428.409982] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 428.414472] ? lock_downgrade+0x900/0x900 [ 428.418638] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.423747] ? pvclock_read_flags+0x160/0x160 [ 428.428243] ? lapic_next_event+0x5a/0x90 [ 428.432388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.437924] ? kvm_clock_read+0x18/0x30 [ 428.441893] ? kvm_sched_clock_read+0x9/0x20 [ 428.446299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.451835] ? check_preemption_disabled+0x48/0x280 [ 428.456859] irq_exit+0x17f/0x1c0 [ 428.460308] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.465146] ? smp_reschedule_interrupt+0x109/0x650 [ 428.470156] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.476041] ? interrupt_entry+0xb5/0xc0 [ 428.480103] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.485116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.490141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.494979] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.499988] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.505006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.509848] apic_timer_interrupt+0xf/0x20 [ 428.514079] [ 428.516315] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.521240] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 428.540133] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.547837] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.555100] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 428.562367] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 428.569631] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.576897] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 428.584198] skb_clone+0x1bb/0x500 [ 428.587735] ? finish_task_switch+0x2f4/0x910 [ 428.592228] ? skb_split+0x11e0/0x11e0 [ 428.596112] ? preempt_notifier_register+0x200/0x200 [ 428.601209] ? __switch_to_asm+0x34/0x70 [ 428.605273] ? __switch_to_asm+0x34/0x70 [ 428.609330] ? __switch_to_asm+0x40/0x70 [ 428.613384] ? __switch_to_asm+0x34/0x70 [ 428.617442] ? __switch_to_asm+0x40/0x70 [ 428.621500] ? __switch_to_asm+0x34/0x70 [ 428.625568] ? __switch_to_asm+0x40/0x70 [ 428.629633] ? __switch_to_asm+0x34/0x70 [ 428.633691] ? __switch_to_asm+0x34/0x70 [ 428.637751] ? __switch_to_asm+0x40/0x70 [ 428.641807] ? __switch_to_asm+0x34/0x70 [ 428.645868] bpf_clone_redirect+0xb9/0x490 [ 428.650098] ? __schedule+0x8d7/0x21d0 [ 428.653986] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 428.658997] ? __sched_text_start+0x8/0x8 [ 428.663140] ? retint_kernel+0x2d/0x2d [ 428.667028] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.671964] ? find_held_lock+0x36/0x1c0 [ 428.676030] ? lock_acquire+0x1ed/0x520 [ 428.680004] ? bpf_test_run+0x3cb/0x780 [ 428.683976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.689509] ? check_preemption_disabled+0x48/0x280 [ 428.694528] ? kasan_check_read+0x11/0x20 [ 428.698675] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.703948] ? rcu_softirq_qs+0x20/0x20 [ 428.707917] ? preempt_schedule+0x4d/0x60 [ 428.712068] ? ___preempt_schedule+0x16/0x18 [ 428.716478] ? bpf_test_run+0x25d/0x780 [ 428.720458] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.725504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.731039] ? bpf_test_init.isra.10+0x70/0x100 [ 428.735716] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 428.740484] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.745321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.750853] ? fput+0x130/0x1a0 [ 428.754131] ? __bpf_prog_get+0x9b/0x290 [ 428.758193] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.763027] ? bpf_prog_test_run+0x130/0x1a0 [ 428.767439] ? __x64_sys_bpf+0x3d8/0x520 [ 428.771498] ? bpf_prog_get+0x20/0x20 [ 428.775315] ? do_syscall_64+0x1b9/0x820 [ 428.779377] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.784740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.789667] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.794678] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.799694] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 428.806362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.811209] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.816592] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 428.816657] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.823598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.823602] Call Trace: [ 428.823609] [ 428.823625] dump_stack+0x244/0x39d [ 428.823643] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.830161] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.839460] warn_alloc.cold.116+0xb7/0x1bd [ 428.842013] syz-executor4 cpuset=syz4 mems_allowed=0 [ 428.844152] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.877620] ? lock_downgrade+0x900/0x900 [ 428.881771] ? trace_hardirqs_off+0xb8/0x310 [ 428.886179] ? trace_hardirqs_off+0xb8/0x310 [ 428.890601] __alloc_pages_slowpath+0x26e8/0x2e10 [ 428.895553] ? warn_alloc+0x120/0x120 [ 428.899353] ? print_usage_bug+0xc0/0xc0 [ 428.903411] ? warn_alloc+0x120/0x120 [ 428.907210] ? warn_alloc+0x120/0x120 [ 428.911010] ? print_usage_bug+0xc0/0xc0 [ 428.915080] ? print_usage_bug+0xc0/0xc0 [ 428.919137] ? __lock_acquire+0x62f/0x4c20 [ 428.923370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.928912] ? should_fail+0x22d/0xd01 [ 428.932801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.937910] ? __lock_acquire+0x62f/0x4c20 [ 428.942144] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.947239] ? __lock_acquire+0x62f/0x4c20 [ 428.951466] ? should_fail+0x22d/0xd01 [ 428.955364] ? find_held_lock+0x36/0x1c0 [ 428.959426] ? mark_held_locks+0x130/0x130 [ 428.963660] ? mark_held_locks+0x130/0x130 [ 428.967886] ? zap_class+0x640/0x640 [ 428.971599] ? zap_class+0x640/0x640 [ 428.975318] ? print_usage_bug+0xc0/0xc0 [ 428.979371] ? do_raw_spin_unlock+0xa7/0x330 [ 428.983793] ? zap_class+0x640/0x640 [ 428.987502] ? print_usage_bug+0xc0/0xc0 [ 428.991644] ? wq_watchdog_touch+0x9c/0xfe [ 428.995881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.001418] ? check_preemption_disabled+0x48/0x280 [ 429.006438] ? __lock_is_held+0xb5/0x140 [ 429.010501] __alloc_pages_nodemask+0xa80/0xde0 [ 429.015163] ? zap_class+0x640/0x640 [ 429.018880] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 429.023906] ? find_held_lock+0x36/0x1c0 [ 429.027970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.032634] ? lock_downgrade+0x900/0x900 [ 429.036783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.042320] cache_grow_begin+0xa5/0x8c0 [ 429.046374] ? do_raw_spin_unlock+0xa7/0x330 [ 429.050785] fallback_alloc+0x204/0x2e0 [ 429.054764] ____cache_alloc_node+0x1c7/0x1e0 [ 429.059272] kmem_cache_alloc_node+0xe3/0x730 [ 429.063764] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.068029] __alloc_skb+0x119/0x770 [ 429.071742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.077027] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.081431] ? lock_downgrade+0x900/0x900 [ 429.085598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.091133] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.096593] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.102042] ? addrconf_rs_timer+0x690/0x690 [ 429.106461] ndisc_alloc_skb+0x144/0x340 [ 429.110520] ndisc_send_rs+0x331/0x6e0 [ 429.114417] addrconf_rs_timer+0x314/0x690 [ 429.118661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.122922] call_timer_fn+0x272/0x920 [ 429.126808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.131047] ? process_timeout+0x40/0x40 [ 429.135116] ? mark_held_locks+0xc7/0x130 [ 429.139266] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.143755] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.148249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.152482] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.157068] ? trace_hardirqs_on+0xbd/0x310 [ 429.161385] ? kasan_check_read+0x11/0x20 [ 429.165524] ? __run_timers+0x7da/0xc70 [ 429.169511] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.174661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.178910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.183138] __run_timers+0x7e5/0xc70 [ 429.186945] ? timer_fixup_init+0x70/0x70 [ 429.191102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.196114] ? zap_class+0x640/0x640 [ 429.199829] ? print_usage_bug+0xc0/0xc0 [ 429.203899] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.209101] ? find_held_lock+0x36/0x1c0 [ 429.213161] ? zap_class+0x640/0x640 [ 429.216879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.222414] ? check_preemption_disabled+0x48/0x280 [ 429.227439] ? __lock_is_held+0xb5/0x140 [ 429.231499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.237042] ? check_preemption_disabled+0x48/0x280 [ 429.242064] run_timer_softirq+0x52/0xb0 [ 429.246119] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.251131] __do_softirq+0x308/0xb7e [ 429.254928] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.259430] ? lock_downgrade+0x900/0x900 [ 429.263575] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.268679] ? pvclock_read_flags+0x160/0x160 [ 429.273174] ? lapic_next_event+0x5a/0x90 [ 429.277319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.282857] ? kvm_clock_read+0x18/0x30 [ 429.286827] ? kvm_sched_clock_read+0x9/0x20 [ 429.291239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.296771] ? check_preemption_disabled+0x48/0x280 [ 429.301803] irq_exit+0x17f/0x1c0 [ 429.305251] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.310085] ? smp_reschedule_interrupt+0x109/0x650 [ 429.315096] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.320978] ? interrupt_entry+0xb5/0xc0 [ 429.325048] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.330057] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.335072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.339910] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.344922] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.349933] ? task_prio+0x50/0x50 [ 429.353474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.359017] ? check_preemption_disabled+0x48/0x280 [ 429.364053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.368912] apic_timer_interrupt+0xf/0x20 [ 429.373136] [ 429.375371] RIP: 0010:dump_stack+0x358/0x39d [ 429.379774] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 429.398666] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 429.406373] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 429.413637] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 429.420901] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 429.428162] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 429.435427] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 429.442715] ? dump_stack+0x34f/0x39d [ 429.446525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.452755] ? mark_held_locks+0x130/0x130 [ 429.456983] ? mark_held_locks+0x130/0x130 [ 429.461227] dump_header+0x27b/0xf72 [ 429.464949] ? pagefault_out_of_memory+0x197/0x197 [ 429.469881] ? __lock_acquire+0x62f/0x4c20 [ 429.474111] ? percpu_ref_get_many+0x240/0x240 [ 429.478694] ? print_usage_bug+0xc0/0xc0 [ 429.482778] ? zap_class+0x640/0x640 [ 429.486496] ? print_usage_bug+0xc0/0xc0 [ 429.490549] ? print_usage_bug+0xc0/0xc0 [ 429.494608] ? zap_class+0x640/0x640 [ 429.498321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.503873] ? find_held_lock+0x36/0x1c0 [ 429.507942] ? mark_held_locks+0xc7/0x130 [ 429.512092] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.517192] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.522291] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.526872] ? trace_hardirqs_on+0xbd/0x310 [ 429.531193] ? kasan_check_read+0x11/0x20 [ 429.535339] ? ___ratelimit+0x3b4/0x672 [ 429.539309] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.544409] ? trace_hardirqs_on+0x310/0x310 [ 429.548816] ? lock_downgrade+0x900/0x900 [ 429.552974] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.558083] ? ___ratelimit+0x3b9/0x672 [ 429.562056] ? idr_get_free+0xf70/0xf70 [ 429.566028] ? find_held_lock+0x36/0x1c0 [ 429.570098] oom_kill_process.cold.27+0x10/0x903 [ 429.574851] ? zap_class+0x640/0x640 [ 429.578562] ? check_preemption_disabled+0x48/0x280 [ 429.583579] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.588501] ? kasan_check_read+0x11/0x20 [ 429.592643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.597919] ? oom_evaluate_task+0x540/0x540 [ 429.602412] ? find_held_lock+0x36/0x1c0 [ 429.606481] ? out_of_memory+0x974/0x1430 [ 429.610629] ? lock_downgrade+0x900/0x900 [ 429.614771] ? check_preemption_disabled+0x48/0x280 [ 429.619783] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.624709] ? kasan_check_read+0x11/0x20 [ 429.628864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.634137] ? rcu_softirq_qs+0x20/0x20 [ 429.638110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.643641] ? oom_evaluate_task+0x302/0x540 [ 429.648068] out_of_memory+0xa84/0x1430 [ 429.652059] ? oom_killer_disable+0x3a0/0x3a0 [ 429.656561] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 429.661490] ? __ww_mutex_check_waiters+0x160/0x160 [ 429.666511] __alloc_pages_slowpath+0x2354/0x2e10 [ 429.671379] ? warn_alloc+0x120/0x120 [ 429.675172] ? mark_held_locks+0x130/0x130 [ 429.679405] ? find_get_entry+0xaae/0x1120 [ 429.683641] ? filemap_map_pages+0x1a20/0x1a20 [ 429.688223] ? zap_class+0x640/0x640 [ 429.691949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.697490] ? check_preemption_disabled+0x48/0x280 [ 429.702502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.708033] ? should_fail+0x22d/0xd01 [ 429.711920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.717112] ? zap_class+0x640/0x640 [ 429.720846] ? __lock_is_held+0xb5/0x140 [ 429.724914] ? mark_held_locks+0x130/0x130 [ 429.729147] ? lock_release+0xa00/0xa00 [ 429.733117] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.738561] ? xa_load+0x2ba/0x460 [ 429.742095] ? lock_downgrade+0x900/0x900 [ 429.746249] ? __might_sleep+0x95/0x190 [ 429.750221] __alloc_pages_nodemask+0xa80/0xde0 [ 429.754905] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 429.759920] ? __page_cache_alloc+0x191/0x5c0 [ 429.764418] ? xa_load+0x2e1/0x460 [ 429.767965] ? xa_clear_mark+0x40/0x40 [ 429.771853] ? zap_class+0x640/0x640 [ 429.775571] ? zap_class+0x640/0x640 [ 429.779280] ? zap_class+0x640/0x640 [ 429.782999] ? __do_page_cache_readahead+0x663/0x810 [ 429.788107] ? find_held_lock+0x36/0x1c0 [ 429.792198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.797750] alloc_pages_current+0x173/0x350 [ 429.802159] __page_cache_alloc+0x38c/0x5c0 [ 429.806479] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.811426] ? kasan_check_read+0x11/0x20 [ 429.815577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.820855] ? generic_perform_write+0x6a0/0x6a0 [ 429.825611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.831154] ? check_preemption_disabled+0x48/0x280 [ 429.836179] filemap_fault+0x1595/0x25f0 [ 429.840253] ? __lock_page_or_retry+0xa00/0xa00 [ 429.844922] ? mark_held_locks+0x130/0x130 [ 429.849166] ? filemap_map_pages+0xd6b/0x1a20 [ 429.853658] ? lock_downgrade+0x900/0x900 [ 429.857801] ? check_preemption_disabled+0x48/0x280 [ 429.862818] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.867741] ? kasan_check_read+0x11/0x20 [ 429.871887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.877161] ? rcu_softirq_qs+0x20/0x20 [ 429.881139] ? filemap_map_pages+0xd92/0x1a20 [ 429.885643] ? find_get_entries_tag+0x1400/0x1400 [ 429.890817] ? debug_object_destroy+0x2b0/0x2b0 [ 429.895483] ? lock_pi_update_atomic+0x150/0x150 [ 429.900235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.905781] ? lock_acquire+0x1ed/0x520 [ 429.909752] ? ext4_filemap_fault+0x7a/0xad [ 429.914078] ? lock_release+0xa00/0xa00 [ 429.918047] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.923491] ? print_usage_bug+0xc0/0xc0 [ 429.927642] ? print_usage_bug+0xc0/0xc0 [ 429.931712] ? down_read+0x8d/0x120 [ 429.935335] ? ext4_filemap_fault+0x7a/0xad [ 429.939658] ? __down_interruptible+0x700/0x700 [ 429.944329] ext4_filemap_fault+0x82/0xad [ 429.948479] __do_fault+0x100/0x6b0 [ 429.952109] ? pmd_devmap_trans_unstable+0x220/0x220 [ 429.957212] ? mark_held_locks+0x130/0x130 [ 429.961467] ? mark_held_locks+0x130/0x130 [ 429.965702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.971238] ? check_preemption_disabled+0x48/0x280 [ 429.976254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.981794] __handle_mm_fault+0x3ea0/0x5be0 [ 429.986208] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 429.991048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.996581] ? __fpu__restore_sig+0x62f/0x1680 [ 430.001178] ? zap_class+0x640/0x640 [ 430.004893] ? zap_class+0x640/0x640 [ 430.008600] ? __x64_sys_futex+0x53e/0x6a0 [ 430.012835] ? find_held_lock+0x36/0x1c0 [ 430.016902] ? handle_mm_fault+0x42a/0xc70 [ 430.021146] ? lock_downgrade+0x900/0x900 [ 430.025294] ? check_preemption_disabled+0x48/0x280 [ 430.030309] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.035238] ? kasan_check_read+0x11/0x20 [ 430.039381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.044658] ? rcu_softirq_qs+0x20/0x20 [ 430.048628] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.053731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.059267] ? check_preemption_disabled+0x48/0x280 [ 430.064288] handle_mm_fault+0x54f/0xc70 [ 430.068346] ? __handle_mm_fault+0x5be0/0x5be0 [ 430.072939] ? find_vma+0x34/0x190 [ 430.076484] __do_page_fault+0x5e8/0xe60 [ 430.080543] ? trace_hardirqs_off+0xb8/0x310 [ 430.084969] ? exit_to_usermode_loop+0x1f4/0x380 [ 430.089729] do_page_fault+0xf2/0x7e0 [ 430.093525] ? vmalloc_sync_all+0x30/0x30 [ 430.097667] ? error_entry+0x70/0xd0 [ 430.101378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.106386] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.111311] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.116236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.121076] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.126087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.131550] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.136559] ? page_fault+0x8/0x30 [ 430.140097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.144946] ? page_fault+0x8/0x30 [ 430.148486] page_fault+0x1e/0x30 [ 430.151939] RIP: 0033:0x45ddf3 [ 430.155144] Code: Bad RIP value. [ 430.158505] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 430.163860] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 430.171128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 430.178390] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 430.185654] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 430.192914] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 430.200206] warn_alloc_show_mem: 1 callbacks suppressed [ 430.200216] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 430.200217] Mem-Info: [ 430.200247] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 430.200247] active_file:14 inactive_file:13 isolated_file:0 [ 430.200247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.200247] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 430.200247] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 430.200247] free:13747 free_pcp:512 free_cma:0 [ 430.205583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.212950] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.215331] Call Trace: [ 430.248191] 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 [ 430.257528] [ 430.285007] lowmem_reserve[]: 0 2818 6321 6321 [ 430.287586] dump_stack+0x244/0x39d [ 430.313664] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.315807] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.320444] lowmem_reserve[]: 0 0 3503 3503 [ 430.324067] warn_alloc.cold.116+0xb7/0x1bd [ 430.351357] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 430.356536] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.360826] lowmem_reserve[]: 0 0 0 0 [ 430.365145] ? lock_downgrade+0x900/0x900 [ 430.394090] 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 [ 430.398939] ? trace_hardirqs_off+0xb8/0x310 [ 430.402707] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 430.406849] ? trace_hardirqs_off+0xb8/0x310 [ 430.420337] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 430.424749] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.439984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.444398] ? warn_alloc+0x120/0x120 [ 430.458745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.463570] ? print_usage_bug+0xc0/0xc0 [ 430.472376] 165 total pagecache pages [ 430.476159] ? warn_alloc+0x120/0x120 [ 430.484715] 0 pages in swap cache [ 430.488758] ? warn_alloc+0x120/0x120 [ 430.492533] Swap cache stats: add 0, delete 0, find 0/0 [ 430.496320] ? print_usage_bug+0xc0/0xc0 [ 430.499745] Free swap = 0kB [ 430.503532] ? print_usage_bug+0xc0/0xc0 [ 430.508860] Total swap = 0kB [ 430.508868] 1965979 pages RAM [ 430.512938] ? __lock_acquire+0x62f/0x4c20 [ 430.515930] 0 pages HighMem/MovableOnly [ 430.519982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.522971] 342855 pages reserved [ 430.522978] 0 pages cma reserved [ 430.526099] ? should_fail+0x22d/0xd01 [ 430.530355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.534279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.534293] ? __lock_acquire+0x62f/0x4c20 [ 430.534311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.539882] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.543272] ? __lock_acquire+0x62f/0x4c20 [ 430.546610] syz-fuzzer cpuset=/ mems_allowed=0 [ 430.550486] ? should_fail+0x22d/0xd01 [ 430.594237] ? find_held_lock+0x36/0x1c0 [ 430.598303] ? mark_held_locks+0x130/0x130 [ 430.602537] ? mark_held_locks+0x130/0x130 [ 430.606765] ? zap_class+0x640/0x640 [ 430.610481] ? zap_class+0x640/0x640 [ 430.614201] ? print_usage_bug+0xc0/0xc0 [ 430.618253] ? do_raw_spin_unlock+0xa7/0x330 [ 430.622659] ? zap_class+0x640/0x640 [ 430.626366] ? print_usage_bug+0xc0/0xc0 [ 430.630423] ? wq_watchdog_touch+0x9c/0xfe [ 430.634656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.640194] ? check_preemption_disabled+0x48/0x280 [ 430.645215] ? __lock_is_held+0xb5/0x140 [ 430.649296] __alloc_pages_nodemask+0xa80/0xde0 [ 430.653962] ? zap_class+0x640/0x640 [ 430.657674] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.662699] ? find_held_lock+0x36/0x1c0 [ 430.666769] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.671435] ? lock_downgrade+0x900/0x900 [ 430.675584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.681125] cache_grow_begin+0xa5/0x8c0 [ 430.685182] ? do_raw_spin_unlock+0xa7/0x330 [ 430.689591] fallback_alloc+0x204/0x2e0 [ 430.693584] ____cache_alloc_node+0x1c7/0x1e0 [ 430.698089] kmem_cache_alloc_node+0xe3/0x730 [ 430.702581] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.706829] __alloc_skb+0x119/0x770 [ 430.710539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.715815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.720233] ? lock_downgrade+0x900/0x900 [ 430.724782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.730318] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.735767] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.741214] ? addrconf_rs_timer+0x690/0x690 [ 430.745640] ndisc_alloc_skb+0x144/0x340 [ 430.749703] ndisc_send_rs+0x331/0x6e0 [ 430.753591] addrconf_rs_timer+0x314/0x690 [ 430.757838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.762081] call_timer_fn+0x272/0x920 [ 430.765966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.770196] ? process_timeout+0x40/0x40 [ 430.774258] ? __run_timers+0x7da/0xc70 [ 430.778236] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.782729] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.787219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.791449] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.796114] ? trace_hardirqs_on+0xbd/0x310 [ 430.800429] ? kasan_check_read+0x11/0x20 [ 430.804572] ? __run_timers+0x7da/0xc70 [ 430.808543] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.813653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.817895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.822121] __run_timers+0x7e5/0xc70 [ 430.825924] ? timer_fixup_init+0x70/0x70 [ 430.830077] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.835092] ? zap_class+0x640/0x640 [ 430.838808] ? enqueue_hrtimer+0x1a5/0x560 [ 430.843039] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.848234] ? find_held_lock+0x36/0x1c0 [ 430.852298] ? zap_class+0x640/0x640 [ 430.856010] ? pvclock_read_flags+0x160/0x160 [ 430.860501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.866037] ? check_preemption_disabled+0x48/0x280 [ 430.871057] ? __lock_is_held+0xb5/0x140 [ 430.875119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.880649] ? check_preemption_disabled+0x48/0x280 [ 430.885678] run_timer_softirq+0x52/0xb0 [ 430.889732] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.894744] __do_softirq+0x308/0xb7e [ 430.898541] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.903037] ? lock_downgrade+0x900/0x900 [ 430.907186] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.912289] ? pvclock_read_flags+0x160/0x160 [ 430.916786] ? lapic_next_event+0x5a/0x90 [ 430.920931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.926467] ? kvm_clock_read+0x18/0x30 [ 430.930437] ? kvm_sched_clock_read+0x9/0x20 [ 430.934841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.940386] ? check_preemption_disabled+0x48/0x280 [ 430.945411] irq_exit+0x17f/0x1c0 [ 430.948867] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.953707] ? smp_reschedule_interrupt+0x109/0x650 [ 430.958723] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.964618] ? interrupt_entry+0xb5/0xc0 [ 430.968674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.973685] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.978695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.983544] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.988556] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.993581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.998429] apic_timer_interrupt+0xf/0x20 [ 431.002656] [ 431.004895] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 431.009818] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 431.028724] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 431.036432] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 431.043694] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 431.050961] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 431.058221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 431.065487] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 431.072790] skb_clone+0x1bb/0x500 [ 431.076330] ? finish_task_switch+0x2f4/0x910 [ 431.080820] ? skb_split+0x11e0/0x11e0 [ 431.084709] ? preempt_notifier_register+0x200/0x200 [ 431.089806] ? __switch_to_asm+0x34/0x70 [ 431.093867] ? __switch_to_asm+0x34/0x70 [ 431.097921] ? __switch_to_asm+0x40/0x70 [ 431.101975] ? __switch_to_asm+0x34/0x70 [ 431.106030] ? __switch_to_asm+0x40/0x70 [ 431.110085] ? __switch_to_asm+0x34/0x70 [ 431.114141] ? __switch_to_asm+0x40/0x70 [ 431.118200] ? __switch_to_asm+0x34/0x70 [ 431.122262] ? __switch_to_asm+0x34/0x70 [ 431.126314] ? __switch_to_asm+0x40/0x70 [ 431.130371] ? __switch_to_asm+0x34/0x70 [ 431.134431] bpf_clone_redirect+0xb9/0x490 [ 431.138671] ? __schedule+0x8d7/0x21d0 [ 431.142563] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 431.147590] ? __sched_text_start+0x8/0x8 [ 431.151734] ? retint_kernel+0x2d/0x2d [ 431.155615] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.160548] ? find_held_lock+0x36/0x1c0 [ 431.164620] ? lock_acquire+0x1ed/0x520 [ 431.168586] ? bpf_test_run+0x3cb/0x780 [ 431.172555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.178089] ? check_preemption_disabled+0x48/0x280 [ 431.183108] ? kasan_check_read+0x11/0x20 [ 431.187253] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.192523] ? rcu_softirq_qs+0x20/0x20 [ 431.196496] ? preempt_schedule+0x4d/0x60 [ 431.200644] ? ___preempt_schedule+0x16/0x18 [ 431.205055] ? bpf_test_run+0x25d/0x780 [ 431.209038] ? netlink_diag_dump+0x2a0/0x2a0 [ 431.213441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.218971] ? bpf_test_init.isra.10+0x70/0x100 [ 431.223643] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 431.228403] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.233241] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.238773] ? fput+0x130/0x1a0 [ 431.242047] ? __bpf_prog_get+0x9b/0x290 [ 431.246113] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.250946] ? bpf_prog_test_run+0x130/0x1a0 [ 431.255356] ? __x64_sys_bpf+0x3d8/0x520 [ 431.259416] ? bpf_prog_get+0x20/0x20 [ 431.263232] ? do_syscall_64+0x1b9/0x820 [ 431.267288] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.272647] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.277572] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.282582] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.287597] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 431.294268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.299114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.304493] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 431.304555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.311502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.311509] Call Trace: [ 431.318077] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.327319] [ 431.329883] syz-executor4 cpuset=syz4 mems_allowed=0 [ 431.340360] dump_stack+0x244/0x39d [ 431.351179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.356374] warn_alloc.cold.116+0xb7/0x1bd [ 431.360692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.365534] ? lock_downgrade+0x900/0x900 [ 431.369685] ? trace_hardirqs_off+0xb8/0x310 [ 431.374094] ? trace_hardirqs_off+0xb8/0x310 [ 431.378519] __alloc_pages_slowpath+0x26e8/0x2e10 [ 431.383385] ? warn_alloc+0x120/0x120 [ 431.387185] ? print_usage_bug+0xc0/0xc0 [ 431.391246] ? warn_alloc+0x120/0x120 [ 431.395043] ? warn_alloc+0x120/0x120 [ 431.398848] ? print_usage_bug+0xc0/0xc0 [ 431.402912] ? print_usage_bug+0xc0/0xc0 [ 431.406967] ? __lock_acquire+0x62f/0x4c20 [ 431.411205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.416740] ? should_fail+0x22d/0xd01 [ 431.420626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.425725] ? __lock_acquire+0x62f/0x4c20 [ 431.429958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.435053] ? __lock_acquire+0x62f/0x4c20 [ 431.439285] ? should_fail+0x22d/0xd01 [ 431.443185] ? mark_held_locks+0x130/0x130 [ 431.447421] ? mark_held_locks+0x130/0x130 [ 431.451648] ? zap_class+0x640/0x640 [ 431.455363] ? zap_class+0x640/0x640 [ 431.459071] ? print_usage_bug+0xc0/0xc0 [ 431.463123] ? wq_watchdog_touch+0x9c/0xfe [ 431.467355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.472888] ? check_preemption_disabled+0x48/0x280 [ 431.477911] ? __lock_is_held+0xb5/0x140 [ 431.481970] __alloc_pages_nodemask+0xa80/0xde0 [ 431.486633] ? zap_class+0x640/0x640 [ 431.490347] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 431.495372] ? find_held_lock+0x36/0x1c0 [ 431.499437] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.504105] ? lock_downgrade+0x900/0x900 [ 431.508255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.513790] cache_grow_begin+0xa5/0x8c0 [ 431.517855] ? do_raw_spin_unlock+0xa7/0x330 [ 431.522269] fallback_alloc+0x204/0x2e0 [ 431.526244] ____cache_alloc_node+0x1c7/0x1e0 [ 431.530738] kmem_cache_alloc_node+0xe3/0x730 [ 431.535232] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.539472] __alloc_skb+0x119/0x770 [ 431.543188] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.548474] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.552889] ? lock_downgrade+0x900/0x900 [ 431.557042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.562578] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.568032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.573479] ? addrconf_rs_timer+0x690/0x690 [ 431.577897] ndisc_alloc_skb+0x144/0x340 [ 431.581959] ndisc_send_rs+0x331/0x6e0 [ 431.585850] addrconf_rs_timer+0x314/0x690 [ 431.590089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.594330] call_timer_fn+0x272/0x920 [ 431.598214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.602441] ? process_timeout+0x40/0x40 [ 431.606508] ? mark_held_locks+0xc7/0x130 [ 431.610652] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.615145] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.619642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.623877] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.628457] ? trace_hardirqs_on+0xbd/0x310 [ 431.632774] ? kasan_check_read+0x11/0x20 [ 431.636920] ? __run_timers+0x7da/0xc70 [ 431.640888] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.645999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.650231] __run_timers+0x7e5/0xc70 [ 431.654036] ? timer_fixup_init+0x70/0x70 [ 431.658184] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.663200] ? zap_class+0x640/0x640 [ 431.666914] ? print_usage_bug+0xc0/0xc0 [ 431.670974] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.676165] ? find_held_lock+0x36/0x1c0 [ 431.680239] ? zap_class+0x640/0x640 [ 431.683953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.689486] ? check_preemption_disabled+0x48/0x280 [ 431.694505] ? __lock_is_held+0xb5/0x140 [ 431.698561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.704092] ? check_preemption_disabled+0x48/0x280 [ 431.709106] run_timer_softirq+0x52/0xb0 [ 431.713166] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.718177] __do_softirq+0x308/0xb7e [ 431.721978] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.726471] ? lock_downgrade+0x900/0x900 [ 431.730622] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.735735] ? pvclock_read_flags+0x160/0x160 [ 431.740228] ? lapic_next_event+0x5a/0x90 [ 431.744373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.749914] ? kvm_clock_read+0x18/0x30 [ 431.753881] ? kvm_sched_clock_read+0x9/0x20 [ 431.758288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.763824] ? check_preemption_disabled+0x48/0x280 [ 431.768863] irq_exit+0x17f/0x1c0 [ 431.772327] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.777168] ? smp_reschedule_interrupt+0x109/0x650 [ 431.782185] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.788073] ? interrupt_entry+0xb5/0xc0 [ 431.792133] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.797145] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.802158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.806995] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.812003] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.817013] ? task_prio+0x50/0x50 [ 431.820553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.826189] ? check_preemption_disabled+0x48/0x280 [ 431.831209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.836059] apic_timer_interrupt+0xf/0x20 [ 431.840288] [ 431.842525] RIP: 0010:dump_stack+0x358/0x39d [ 431.846932] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 431.865826] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 431.873529] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 431.880800] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 431.888501] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 431.895775] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 431.903040] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 431.910329] ? dump_stack+0x34f/0x39d [ 431.914135] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.919323] ? mark_held_locks+0x130/0x130 [ 431.923567] ? mark_held_locks+0x130/0x130 [ 431.927806] dump_header+0x27b/0xf72 [ 431.931529] ? pagefault_out_of_memory+0x197/0x197 [ 431.936463] ? __lock_acquire+0x62f/0x4c20 [ 431.940694] ? percpu_ref_get_many+0x240/0x240 [ 431.945274] ? print_usage_bug+0xc0/0xc0 [ 431.949333] ? zap_class+0x640/0x640 [ 431.953043] ? print_usage_bug+0xc0/0xc0 [ 431.957095] ? print_usage_bug+0xc0/0xc0 [ 431.961155] ? zap_class+0x640/0x640 [ 431.964865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.970401] ? find_held_lock+0x36/0x1c0 [ 431.974469] ? mark_held_locks+0xc7/0x130 [ 431.978619] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.983721] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.988823] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.993405] ? trace_hardirqs_on+0xbd/0x310 [ 431.997722] ? kasan_check_read+0x11/0x20 [ 432.001866] ? ___ratelimit+0x3b4/0x672 [ 432.005836] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.010934] ? trace_hardirqs_on+0x310/0x310 [ 432.015336] ? lock_downgrade+0x900/0x900 [ 432.019493] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.024593] ? ___ratelimit+0x3b9/0x672 [ 432.028563] ? idr_get_free+0xf70/0xf70 [ 432.032534] ? find_held_lock+0x36/0x1c0 [ 432.036602] oom_kill_process.cold.27+0x10/0x903 [ 432.041355] ? zap_class+0x640/0x640 [ 432.045069] ? check_preemption_disabled+0x48/0x280 [ 432.050082] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.055003] ? kasan_check_read+0x11/0x20 [ 432.059144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.064417] ? oom_evaluate_task+0x540/0x540 [ 432.068822] ? find_held_lock+0x36/0x1c0 [ 432.072887] ? out_of_memory+0x974/0x1430 [ 432.077035] ? lock_downgrade+0x900/0x900 [ 432.081177] ? check_preemption_disabled+0x48/0x280 [ 432.086195] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.091118] ? kasan_check_read+0x11/0x20 [ 432.095263] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.100532] ? rcu_softirq_qs+0x20/0x20 [ 432.104507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.110042] ? oom_evaluate_task+0x302/0x540 [ 432.114447] out_of_memory+0xa84/0x1430 [ 432.118423] ? oom_killer_disable+0x3a0/0x3a0 [ 432.122912] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 432.127847] ? __ww_mutex_check_waiters+0x160/0x160 [ 432.132868] __alloc_pages_slowpath+0x2354/0x2e10 [ 432.137734] ? warn_alloc+0x120/0x120 [ 432.141544] ? mark_held_locks+0x130/0x130 [ 432.145787] ? find_get_entry+0xaae/0x1120 [ 432.150024] ? filemap_map_pages+0x1a20/0x1a20 [ 432.154606] ? zap_class+0x640/0x640 [ 432.158318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.163847] ? check_preemption_disabled+0x48/0x280 [ 432.168864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.174416] ? should_fail+0x22d/0xd01 [ 432.178320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.183417] ? zap_class+0x640/0x640 [ 432.187151] ? __lock_is_held+0xb5/0x140 [ 432.191226] ? mark_held_locks+0x130/0x130 [ 432.195460] ? lock_release+0xa00/0xa00 [ 432.199428] ? perf_trace_sched_process_exec+0x860/0x860 [ 432.204877] ? xa_load+0x2ba/0x460 [ 432.208413] ? lock_downgrade+0x900/0x900 [ 432.212559] ? __might_sleep+0x95/0x190 [ 432.216535] __alloc_pages_nodemask+0xa80/0xde0 [ 432.221206] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.226222] ? __page_cache_alloc+0x191/0x5c0 [ 432.230714] ? xa_load+0x2e1/0x460 [ 432.234253] ? xa_clear_mark+0x40/0x40 [ 432.238136] ? zap_class+0x640/0x640 [ 432.241853] ? zap_class+0x640/0x640 [ 432.245558] ? zap_class+0x640/0x640 [ 432.249274] ? __do_page_cache_readahead+0x663/0x810 [ 432.254384] ? find_held_lock+0x36/0x1c0 [ 432.258446] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 432.263983] alloc_pages_current+0x173/0x350 [ 432.268391] __page_cache_alloc+0x38c/0x5c0 [ 432.272705] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.277645] ? kasan_check_read+0x11/0x20 [ 432.281875] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.287150] ? generic_perform_write+0x6a0/0x6a0 [ 432.291900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.297430] ? check_preemption_disabled+0x48/0x280 [ 432.302451] filemap_fault+0x1595/0x25f0 [ 432.306521] ? __lock_page_or_retry+0xa00/0xa00 [ 432.311275] ? mark_held_locks+0x130/0x130 [ 432.315513] ? filemap_map_pages+0xd6b/0x1a20 [ 432.320009] ? lock_downgrade+0x900/0x900 [ 432.324155] ? check_preemption_disabled+0x48/0x280 [ 432.329167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.334097] ? kasan_check_read+0x11/0x20 [ 432.338237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.343523] ? rcu_softirq_qs+0x20/0x20 [ 432.347503] ? filemap_map_pages+0xd92/0x1a20 [ 432.352007] ? find_get_entries_tag+0x1400/0x1400 [ 432.356850] ? debug_object_destroy+0x2b0/0x2b0 [ 432.361518] ? lock_pi_update_atomic+0x150/0x150 [ 432.366273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.371821] ? lock_acquire+0x1ed/0x520 [ 432.375789] ? ext4_filemap_fault+0x7a/0xad [ 432.380116] ? lock_release+0xa00/0xa00 [ 432.384082] ? perf_trace_sched_process_exec+0x860/0x860 [ 432.389528] ? print_usage_bug+0xc0/0xc0 [ 432.393584] ? print_usage_bug+0xc0/0xc0 [ 432.397654] ? down_read+0x8d/0x120 [ 432.401274] ? ext4_filemap_fault+0x7a/0xad [ 432.405692] ? __down_interruptible+0x700/0x700 [ 432.410375] ext4_filemap_fault+0x82/0xad [ 432.414528] __do_fault+0x100/0x6b0 [ 432.418156] ? pmd_devmap_trans_unstable+0x220/0x220 [ 432.423257] ? mark_held_locks+0x130/0x130 [ 432.427503] ? mark_held_locks+0x130/0x130 [ 432.431754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.437289] ? check_preemption_disabled+0x48/0x280 [ 432.442306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.447886] __handle_mm_fault+0x3ea0/0x5be0 [ 432.452300] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 432.457141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.462762] ? __fpu__restore_sig+0x62f/0x1680 [ 432.467370] ? zap_class+0x640/0x640 [ 432.471079] ? zap_class+0x640/0x640 [ 432.474789] ? __x64_sys_futex+0x53e/0x6a0 [ 432.479026] ? find_held_lock+0x36/0x1c0 [ 432.483091] ? handle_mm_fault+0x42a/0xc70 [ 432.487325] ? lock_downgrade+0x900/0x900 [ 432.491466] ? check_preemption_disabled+0x48/0x280 [ 432.496481] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.501410] ? kasan_check_read+0x11/0x20 [ 432.505555] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.510825] ? rcu_softirq_qs+0x20/0x20 [ 432.514796] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.520128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.525663] ? check_preemption_disabled+0x48/0x280 [ 432.530684] handle_mm_fault+0x54f/0xc70 [ 432.534758] ? __handle_mm_fault+0x5be0/0x5be0 [ 432.539341] ? find_vma+0x34/0x190 [ 432.542881] __do_page_fault+0x5e8/0xe60 [ 432.546940] ? trace_hardirqs_off+0xb8/0x310 [ 432.551344] ? exit_to_usermode_loop+0x1f4/0x380 [ 432.556105] do_page_fault+0xf2/0x7e0 [ 432.559905] ? vmalloc_sync_all+0x30/0x30 [ 432.564045] ? error_entry+0x70/0xd0 [ 432.567759] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.572772] ? trace_hardirqs_on_caller+0xc0/0x310 [ 432.577693] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.582635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.587480] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.592489] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.597937] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.602945] ? page_fault+0x8/0x30 [ 432.606483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.611320] ? page_fault+0x8/0x30 [ 432.614855] page_fault+0x1e/0x30 [ 432.618302] RIP: 0033:0x45ddf3 [ 432.621498] Code: Bad RIP value. [ 432.624854] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 432.630209] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 432.637469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 432.644737] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 432.651998] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 432.659257] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 432.666541] warn_alloc_show_mem: 1 callbacks suppressed [ 432.666552] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 432.666554] Mem-Info: [ 432.666584] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 432.666584] active_file:14 inactive_file:13 isolated_file:0 [ 432.666584] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.666584] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 432.666584] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 432.666584] free:13747 free_pcp:512 free_cma:0 [ 432.671921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.679277] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.681678] Call Trace: [ 432.714542] 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 [ 432.724410] [ 432.751890] lowmem_reserve[]: 0 2818 6321 6321 [ 432.754472] dump_stack+0x244/0x39d [ 432.780547] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 432.782702] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.787254] lowmem_reserve[]: 0 0 3503 3503 [ 432.790887] warn_alloc.cold.116+0xb7/0x1bd [ 432.818170] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 432.823350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.827638] lowmem_reserve[]: 0 0 0 0 [ 432.831957] ? lock_downgrade+0x900/0x900 [ 432.860991] 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 [ 432.865923] ? trace_hardirqs_off+0xb8/0x310 [ 432.869696] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 432.873836] ? trace_hardirqs_off+0xb8/0x310 [ 432.887739] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 432.892146] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.907385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.911801] ? warn_alloc+0x120/0x120 [ 432.926145] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.930973] ? print_usage_bug+0xc0/0xc0 [ 432.939779] 165 total pagecache pages [ 432.943566] ? warn_alloc+0x120/0x120 [ 432.952126] 0 pages in swap cache [ 432.956170] ? warn_alloc+0x120/0x120 [ 432.959943] Swap cache stats: add 0, delete 0, find 0/0 [ 432.963726] ? print_usage_bug+0xc0/0xc0 [ 432.967156] Free swap = 0kB [ 432.970942] ? kvm_clock_read+0x18/0x30 [ 432.976274] Total swap = 0kB [ 432.980321] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.983308] 1965979 pages RAM [ 432.987274] ? print_usage_bug+0xc0/0xc0 [ 432.990260] 0 pages HighMem/MovableOnly [ 432.990267] 342855 pages reserved [ 432.995270] ? __lock_acquire+0x62f/0x4c20 [ 432.998346] 0 pages cma reserved [ 433.002397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.006396] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.009783] ? should_fail+0x22d/0xd01 [ 433.014063] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.017345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.022862] syz-fuzzer cpuset=/ mems_allowed=0 [ 433.029341] ? __lock_acquire+0x62f/0x4c20 [ 433.057279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.062374] ? __lock_acquire+0x62f/0x4c20 [ 433.066603] ? should_fail+0x22d/0xd01 [ 433.070505] ? mark_held_locks+0x130/0x130 [ 433.074751] ? mark_held_locks+0x130/0x130 [ 433.078997] ? zap_class+0x640/0x640 [ 433.082709] ? print_usage_bug+0xc0/0xc0 [ 433.086774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.092309] ? check_preemption_disabled+0x48/0x280 [ 433.097332] ? __lock_is_held+0xb5/0x140 [ 433.101400] __alloc_pages_nodemask+0xa80/0xde0 [ 433.106062] ? zap_class+0x640/0x640 [ 433.109773] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.114797] ? find_held_lock+0x36/0x1c0 [ 433.118862] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.123527] ? lock_downgrade+0x900/0x900 [ 433.127692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.133232] cache_grow_begin+0xa5/0x8c0 [ 433.137310] ? do_raw_spin_unlock+0xa7/0x330 [ 433.141725] fallback_alloc+0x204/0x2e0 [ 433.145698] ____cache_alloc_node+0x1c7/0x1e0 [ 433.150196] kmem_cache_alloc_node+0xe3/0x730 [ 433.154699] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.158945] __alloc_skb+0x119/0x770 [ 433.162662] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.167939] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.172341] ? lock_downgrade+0x900/0x900 [ 433.178243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.183777] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.189224] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.194678] ? addrconf_rs_timer+0x690/0x690 [ 433.199092] ndisc_alloc_skb+0x144/0x340 [ 433.203169] ndisc_send_rs+0x331/0x6e0 [ 433.207061] addrconf_rs_timer+0x314/0x690 [ 433.211293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.215532] call_timer_fn+0x272/0x920 [ 433.219417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.223654] ? process_timeout+0x40/0x40 [ 433.227728] ? __run_timers+0x7da/0xc70 [ 433.231711] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.236217] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.240705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.244933] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.249513] ? trace_hardirqs_on+0xbd/0x310 [ 433.253829] ? kasan_check_read+0x11/0x20 [ 433.257970] ? __run_timers+0x7da/0xc70 [ 433.261941] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.267048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.271275] __run_timers+0x7e5/0xc70 [ 433.275078] ? timer_fixup_init+0x70/0x70 [ 433.279226] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.284240] ? zap_class+0x640/0x640 [ 433.287954] ? enqueue_hrtimer+0x1a5/0x560 [ 433.292194] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.297385] ? find_held_lock+0x36/0x1c0 [ 433.301449] ? zap_class+0x640/0x640 [ 433.305170] ? pvclock_read_flags+0x160/0x160 [ 433.309669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.315201] ? check_preemption_disabled+0x48/0x280 [ 433.320220] ? __lock_is_held+0xb5/0x140 [ 433.324277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.329813] ? check_preemption_disabled+0x48/0x280 [ 433.334831] run_timer_softirq+0x52/0xb0 [ 433.338902] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.343912] __do_softirq+0x308/0xb7e [ 433.347716] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.352208] ? lock_downgrade+0x900/0x900 [ 433.356358] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.361462] ? pvclock_read_flags+0x160/0x160 [ 433.365958] ? lapic_next_event+0x5a/0x90 [ 433.370104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.375657] ? kvm_clock_read+0x18/0x30 [ 433.379626] ? kvm_sched_clock_read+0x9/0x20 [ 433.384039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.389573] ? check_preemption_disabled+0x48/0x280 [ 433.394599] irq_exit+0x17f/0x1c0 [ 433.398058] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.402895] ? smp_reschedule_interrupt+0x109/0x650 [ 433.407908] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.413789] ? interrupt_entry+0xb5/0xc0 [ 433.417847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.422861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.427872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.432709] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.437724] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.442748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.447593] apic_timer_interrupt+0xf/0x20 [ 433.451826] [ 433.454062] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 433.458987] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 433.477882] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 433.485587] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.492849] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 433.500112] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 433.507372] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.514642] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 433.521948] skb_clone+0x1bb/0x500 [ 433.525486] ? finish_task_switch+0x2f4/0x910 [ 433.529976] ? skb_split+0x11e0/0x11e0 [ 433.533860] ? preempt_notifier_register+0x200/0x200 [ 433.538959] ? __switch_to_asm+0x34/0x70 [ 433.543017] ? __switch_to_asm+0x34/0x70 [ 433.547077] ? __switch_to_asm+0x40/0x70 [ 433.551135] ? __switch_to_asm+0x34/0x70 [ 433.555195] ? __switch_to_asm+0x40/0x70 [ 433.559249] ? __switch_to_asm+0x34/0x70 [ 433.563302] ? __switch_to_asm+0x40/0x70 [ 433.567387] ? __switch_to_asm+0x34/0x70 [ 433.571450] ? __switch_to_asm+0x34/0x70 [ 433.575505] ? __switch_to_asm+0x40/0x70 [ 433.579564] ? __switch_to_asm+0x34/0x70 [ 433.583638] bpf_clone_redirect+0xb9/0x490 [ 433.587874] ? __schedule+0x8d7/0x21d0 [ 433.591763] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 433.596774] ? __sched_text_start+0x8/0x8 [ 433.600922] ? retint_kernel+0x2d/0x2d [ 433.604804] ? trace_hardirqs_on_caller+0xc0/0x310 [ 433.609735] ? find_held_lock+0x36/0x1c0 [ 433.613802] ? lock_acquire+0x1ed/0x520 [ 433.617772] ? bpf_test_run+0x3cb/0x780 [ 433.621744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.627281] ? check_preemption_disabled+0x48/0x280 [ 433.632419] ? kasan_check_read+0x11/0x20 [ 433.636565] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.641835] ? rcu_softirq_qs+0x20/0x20 [ 433.645802] ? preempt_schedule+0x4d/0x60 [ 433.649947] ? ___preempt_schedule+0x16/0x18 [ 433.654359] ? bpf_test_run+0x25d/0x780 [ 433.658339] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.662748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.668290] ? bpf_test_init.isra.10+0x70/0x100 [ 433.672957] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 433.677718] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.682556] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.688089] ? fput+0x130/0x1a0 [ 433.691366] ? __bpf_prog_get+0x9b/0x290 [ 433.695435] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.700275] ? bpf_prog_test_run+0x130/0x1a0 [ 433.704686] ? __x64_sys_bpf+0x3d8/0x520 [ 433.708745] ? bpf_prog_get+0x20/0x20 [ 433.712561] ? do_syscall_64+0x1b9/0x820 [ 433.716630] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.722000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.726927] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.731937] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.736952] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 433.743625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.748473] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.753851] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 433.753914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.760856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.760863] Call Trace: [ 433.767420] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.776672] [ 433.779236] syz-executor4 cpuset=syz4 mems_allowed=0 [ 433.789717] dump_stack+0x244/0x39d [ 433.800540] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.805737] warn_alloc.cold.116+0xb7/0x1bd [ 433.810057] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.814897] ? lock_downgrade+0x900/0x900 [ 433.819050] ? trace_hardirqs_off+0xb8/0x310 [ 433.823462] ? trace_hardirqs_off+0xb8/0x310 [ 433.827872] __alloc_pages_slowpath+0x26e8/0x2e10 [ 433.832737] ? warn_alloc+0x120/0x120 [ 433.836538] ? print_usage_bug+0xc0/0xc0 [ 433.840605] ? warn_alloc+0x120/0x120 [ 433.844409] ? warn_alloc+0x120/0x120 [ 433.848206] ? print_usage_bug+0xc0/0xc0 [ 433.852261] ? kvm_clock_read+0x18/0x30 [ 433.856231] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.861245] ? print_usage_bug+0xc0/0xc0 [ 433.865301] ? __lock_acquire+0x62f/0x4c20 [ 433.869537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.875069] ? should_fail+0x22d/0xd01 [ 433.878952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.884230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.889675] ? __lock_acquire+0x62f/0x4c20 [ 433.893910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.899004] ? __lock_acquire+0x62f/0x4c20 [ 433.903457] ? should_fail+0x22d/0xd01 [ 433.907341] ? rcu_irq_exit+0x1a2/0x390 [ 433.911319] ? mark_held_locks+0x130/0x130 [ 433.915550] ? mark_held_locks+0x130/0x130 [ 433.919796] ? mark_held_locks+0xc7/0x130 [ 433.923940] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 433.928947] ? zap_class+0x640/0x640 [ 433.932654] ? print_usage_bug+0xc0/0xc0 [ 433.936715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.942246] ? check_preemption_disabled+0x48/0x280 [ 433.947262] ? __lock_is_held+0xb5/0x140 [ 433.951325] __alloc_pages_nodemask+0xa80/0xde0 [ 433.955992] ? zap_class+0x640/0x640 [ 433.959704] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.964731] ? find_held_lock+0x36/0x1c0 [ 433.968800] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.973463] ? lock_downgrade+0x900/0x900 [ 433.977619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.983159] cache_grow_begin+0xa5/0x8c0 [ 433.987217] ? do_raw_spin_unlock+0xa7/0x330 [ 433.991631] fallback_alloc+0x204/0x2e0 [ 433.995615] ____cache_alloc_node+0x1c7/0x1e0 [ 434.000108] kmem_cache_alloc_node+0xe3/0x730 [ 434.004610] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.008848] __alloc_skb+0x119/0x770 [ 434.012557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.017839] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.022240] ? lock_downgrade+0x900/0x900 [ 434.026416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.031947] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.037397] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.042841] ? addrconf_rs_timer+0x690/0x690 [ 434.047252] ndisc_alloc_skb+0x144/0x340 [ 434.051311] ndisc_send_rs+0x331/0x6e0 [ 434.055202] addrconf_rs_timer+0x314/0x690 [ 434.059438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.063680] call_timer_fn+0x272/0x920 [ 434.067563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.071807] ? process_timeout+0x40/0x40 [ 434.075873] ? mark_held_locks+0xc7/0x130 [ 434.080020] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.084512] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.089002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.093259] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.097841] ? trace_hardirqs_on+0xbd/0x310 [ 434.102157] ? kasan_check_read+0x11/0x20 [ 434.106306] ? __run_timers+0x7da/0xc70 [ 434.110281] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.115380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.119616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.123841] __run_timers+0x7e5/0xc70 [ 434.127644] ? timer_fixup_init+0x70/0x70 [ 434.131788] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.136807] ? zap_class+0x640/0x640 [ 434.140519] ? print_usage_bug+0xc0/0xc0 [ 434.144584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.149785] ? find_held_lock+0x36/0x1c0 [ 434.153845] ? zap_class+0x640/0x640 [ 434.157566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.163106] ? check_preemption_disabled+0x48/0x280 [ 434.168128] ? __lock_is_held+0xb5/0x140 [ 434.172189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.177728] ? check_preemption_disabled+0x48/0x280 [ 434.182750] run_timer_softirq+0x52/0xb0 [ 434.186805] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.191819] __do_softirq+0x308/0xb7e [ 434.195620] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 434.200111] ? lock_downgrade+0x900/0x900 [ 434.204257] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.209360] ? pvclock_read_flags+0x160/0x160 [ 434.213853] ? lapic_next_event+0x5a/0x90 [ 434.218009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.223563] ? kvm_clock_read+0x18/0x30 [ 434.227539] ? kvm_sched_clock_read+0x9/0x20 [ 434.231952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.237486] ? check_preemption_disabled+0x48/0x280 [ 434.242505] irq_exit+0x17f/0x1c0 [ 434.245959] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.250793] ? smp_reschedule_interrupt+0x109/0x650 [ 434.255808] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.261692] ? interrupt_entry+0xb5/0xc0 [ 434.265748] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.270756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.275940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.280791] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.285800] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.290809] ? task_prio+0x50/0x50 [ 434.294344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.299891] ? check_preemption_disabled+0x48/0x280 [ 434.304911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.309767] apic_timer_interrupt+0xf/0x20 [ 434.313988] [ 434.316221] RIP: 0010:dump_stack+0x358/0x39d [ 434.320628] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 434.339520] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 434.347230] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 434.354490] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 434.361752] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 434.369013] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 434.376274] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 434.383559] ? dump_stack+0x34f/0x39d [ 434.387369] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.392571] ? mark_held_locks+0x130/0x130 [ 434.396802] ? mark_held_locks+0x130/0x130 [ 434.401035] dump_header+0x27b/0xf72 [ 434.404753] ? pagefault_out_of_memory+0x197/0x197 [ 434.409686] ? __lock_acquire+0x62f/0x4c20 [ 434.413916] ? percpu_ref_get_many+0x240/0x240 [ 434.418498] ? print_usage_bug+0xc0/0xc0 [ 434.422567] ? zap_class+0x640/0x640 [ 434.426276] ? print_usage_bug+0xc0/0xc0 [ 434.430328] ? print_usage_bug+0xc0/0xc0 [ 434.434387] ? zap_class+0x640/0x640 [ 434.438100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.443635] ? find_held_lock+0x36/0x1c0 [ 434.447699] ? mark_held_locks+0xc7/0x130 [ 434.451858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.456958] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.462072] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.466651] ? trace_hardirqs_on+0xbd/0x310 [ 434.470967] ? kasan_check_read+0x11/0x20 [ 434.475281] ? ___ratelimit+0x3b4/0x672 [ 434.479255] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.484351] ? trace_hardirqs_on+0x310/0x310 [ 434.488754] ? lock_downgrade+0x900/0x900 [ 434.492900] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.498001] ? ___ratelimit+0x3b9/0x672 [ 434.501972] ? idr_get_free+0xf70/0xf70 [ 434.505940] ? find_held_lock+0x36/0x1c0 [ 434.510008] oom_kill_process.cold.27+0x10/0x903 [ 434.514846] ? zap_class+0x640/0x640 [ 434.518566] ? check_preemption_disabled+0x48/0x280 [ 434.523587] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.528508] ? kasan_check_read+0x11/0x20 [ 434.532656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.537934] ? oom_evaluate_task+0x540/0x540 [ 434.542343] ? find_held_lock+0x36/0x1c0 [ 434.546405] ? out_of_memory+0x974/0x1430 [ 434.550561] ? lock_downgrade+0x900/0x900 [ 434.554702] ? check_preemption_disabled+0x48/0x280 [ 434.559715] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.564638] ? kasan_check_read+0x11/0x20 [ 434.568777] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.574046] ? rcu_softirq_qs+0x20/0x20 [ 434.578020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.583560] ? oom_evaluate_task+0x302/0x540 [ 434.587969] out_of_memory+0xa84/0x1430 [ 434.591947] ? oom_killer_disable+0x3a0/0x3a0 [ 434.596442] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 434.601370] ? __ww_mutex_check_waiters+0x160/0x160 [ 434.606390] __alloc_pages_slowpath+0x2354/0x2e10 [ 434.611255] ? warn_alloc+0x120/0x120 [ 434.615055] ? mark_held_locks+0x130/0x130 [ 434.619291] ? find_get_entry+0xaae/0x1120 [ 434.623534] ? filemap_map_pages+0x1a20/0x1a20 [ 434.628120] ? zap_class+0x640/0x640 [ 434.631832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.637367] ? check_preemption_disabled+0x48/0x280 [ 434.642381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.647912] ? should_fail+0x22d/0xd01 [ 434.651807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.656914] ? zap_class+0x640/0x640 [ 434.660644] ? __lock_is_held+0xb5/0x140 [ 434.664707] ? mark_held_locks+0x130/0x130 [ 434.668939] ? lock_release+0xa00/0xa00 [ 434.672911] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.678355] ? xa_load+0x2ba/0x460 [ 434.681893] ? lock_downgrade+0x900/0x900 [ 434.686039] ? __might_sleep+0x95/0x190 [ 434.690020] __alloc_pages_nodemask+0xa80/0xde0 [ 434.694807] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.699820] ? __page_cache_alloc+0x191/0x5c0 [ 434.704311] ? xa_load+0x2e1/0x460 [ 434.707847] ? xa_clear_mark+0x40/0x40 [ 434.711743] ? zap_class+0x640/0x640 [ 434.715458] ? zap_class+0x640/0x640 [ 434.719166] ? zap_class+0x640/0x640 [ 434.723380] ? __do_page_cache_readahead+0x663/0x810 [ 434.728489] ? find_held_lock+0x36/0x1c0 [ 434.732559] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 434.738099] alloc_pages_current+0x173/0x350 [ 434.742518] __page_cache_alloc+0x38c/0x5c0 [ 434.746836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.751764] ? kasan_check_read+0x11/0x20 [ 434.755909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.761180] ? generic_perform_write+0x6a0/0x6a0 [ 434.765931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.771463] ? check_preemption_disabled+0x48/0x280 [ 434.776481] filemap_fault+0x1595/0x25f0 [ 434.780639] ? __lock_page_or_retry+0xa00/0xa00 [ 434.785309] ? mark_held_locks+0x130/0x130 [ 434.789549] ? filemap_map_pages+0xd6b/0x1a20 [ 434.794040] ? lock_downgrade+0x900/0x900 [ 434.798182] ? check_preemption_disabled+0x48/0x280 [ 434.803198] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.808125] ? kasan_check_read+0x11/0x20 [ 434.812265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.817543] ? rcu_softirq_qs+0x20/0x20 [ 434.821538] ? filemap_map_pages+0xd92/0x1a20 [ 434.826043] ? find_get_entries_tag+0x1400/0x1400 [ 434.830893] ? debug_object_destroy+0x2b0/0x2b0 [ 434.835569] ? lock_pi_update_atomic+0x150/0x150 [ 434.840318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.845861] ? lock_acquire+0x1ed/0x520 [ 434.849830] ? ext4_filemap_fault+0x7a/0xad [ 434.854152] ? lock_release+0xa00/0xa00 [ 434.858122] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.863566] ? print_usage_bug+0xc0/0xc0 [ 434.867626] ? print_usage_bug+0xc0/0xc0 [ 434.871780] ? down_read+0x8d/0x120 [ 434.875400] ? ext4_filemap_fault+0x7a/0xad [ 434.879897] ? __down_interruptible+0x700/0x700 [ 434.884567] ext4_filemap_fault+0x82/0xad [ 434.888711] __do_fault+0x100/0x6b0 [ 434.892335] ? pmd_devmap_trans_unstable+0x220/0x220 [ 434.897435] ? mark_held_locks+0x130/0x130 [ 434.901669] ? mark_held_locks+0x130/0x130 [ 434.905900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.911433] ? check_preemption_disabled+0x48/0x280 [ 434.916463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.922006] __handle_mm_fault+0x3ea0/0x5be0 [ 434.926416] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 434.931254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.936790] ? __fpu__restore_sig+0x62f/0x1680 [ 434.941383] ? zap_class+0x640/0x640 [ 434.945094] ? zap_class+0x640/0x640 [ 434.948801] ? __x64_sys_futex+0x53e/0x6a0 [ 434.953034] ? find_held_lock+0x36/0x1c0 [ 434.957100] ? handle_mm_fault+0x42a/0xc70 [ 434.961334] ? lock_downgrade+0x900/0x900 [ 434.965480] ? check_preemption_disabled+0x48/0x280 [ 434.970520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.975441] ? kasan_check_read+0x11/0x20 [ 434.979594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.984869] ? rcu_softirq_qs+0x20/0x20 [ 434.988837] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.993938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.999473] ? check_preemption_disabled+0x48/0x280 [ 435.004506] handle_mm_fault+0x54f/0xc70 [ 435.008570] ? __handle_mm_fault+0x5be0/0x5be0 [ 435.013151] ? find_vma+0x34/0x190 [ 435.016690] __do_page_fault+0x5e8/0xe60 [ 435.020743] ? trace_hardirqs_off+0xb8/0x310 [ 435.025144] ? exit_to_usermode_loop+0x1f4/0x380 [ 435.029904] do_page_fault+0xf2/0x7e0 [ 435.033705] ? vmalloc_sync_all+0x30/0x30 [ 435.037845] ? error_entry+0x70/0xd0 [ 435.041561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.046569] ? trace_hardirqs_on_caller+0xc0/0x310 [ 435.051501] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.056430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.061267] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.066277] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.071741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.076750] ? page_fault+0x8/0x30 [ 435.080292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.085130] ? page_fault+0x8/0x30 [ 435.088663] page_fault+0x1e/0x30 [ 435.092108] RIP: 0033:0x45ddf3 [ 435.095305] Code: Bad RIP value. [ 435.098659] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 435.104013] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 435.111278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 435.118543] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 435.125806] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 435.133071] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 435.140352] warn_alloc_show_mem: 1 callbacks suppressed [ 435.140362] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 435.140364] Mem-Info: [ 435.140394] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 435.140394] active_file:14 inactive_file:13 isolated_file:0 [ 435.140394] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.140394] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 435.140394] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 435.140394] free:13747 free_pcp:512 free_cma:0 [ 435.145729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.153083] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.155481] Call Trace: [ 435.188343] 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 [ 435.197698] [ 435.225165] lowmem_reserve[]: 0 2818 6321 6321 [ 435.227750] dump_stack+0x244/0x39d [ 435.253824] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 435.255969] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.260511] lowmem_reserve[]: 0 0 3503 3503 [ 435.264140] warn_alloc.cold.116+0xb7/0x1bd [ 435.291426] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 435.296603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.300903] lowmem_reserve[]: 0 0 0 0 [ 435.305222] ? lock_downgrade+0x900/0x900 [ 435.334163] 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 [ 435.339006] ? trace_hardirqs_off+0xb8/0x310 [ 435.342772] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 435.346914] ? trace_hardirqs_off+0xb8/0x310 [ 435.360398] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 435.364810] __alloc_pages_slowpath+0x26e8/0x2e10 [ 435.380040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 435.380053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 435.384479] ? warn_alloc+0x120/0x120 [ 435.398816] 165 total pagecache pages [ 435.403645] ? print_usage_bug+0xc0/0xc0 [ 435.412465] 0 pages in swap cache [ 435.421018] ? warn_alloc+0x120/0x120 [ 435.424794] Swap cache stats: add 0, delete 0, find 0/0 [ 435.428577] ? warn_alloc+0x120/0x120 [ 435.432609] Free swap = 0kB [ 435.436047] ? print_usage_bug+0xc0/0xc0 [ 435.439833] Total swap = 0kB [ 435.439841] 1965979 pages RAM [ 435.445189] ? kvm_clock_read+0x18/0x30 [ 435.448957] 0 pages HighMem/MovableOnly [ 435.451965] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.455994] 342855 pages reserved [ 435.456001] 0 pages cma reserved [ 435.459007] ? print_usage_bug+0xc0/0xc0 [ 435.462139] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.466040] ? __lock_acquire+0x62f/0x4c20 [ 435.466058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.466075] ? should_fail+0x22d/0xd01 [ 435.470070] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.475021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.478453] syz-fuzzer cpuset=/ mems_allowed=0 [ 435.481807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.531027] ? __lock_acquire+0x62f/0x4c20 [ 435.535264] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.540360] ? __lock_acquire+0x62f/0x4c20 [ 435.544589] ? should_fail+0x22d/0xd01 [ 435.548473] ? rcu_irq_exit+0x1a2/0x390 [ 435.552457] ? mark_held_locks+0x130/0x130 [ 435.556695] ? mark_held_locks+0x130/0x130 [ 435.561016] ? mark_held_locks+0xc7/0x130 [ 435.565159] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 435.570172] ? zap_class+0x640/0x640 [ 435.573879] ? print_usage_bug+0xc0/0xc0 [ 435.577944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.583484] ? check_preemption_disabled+0x48/0x280 [ 435.588508] ? __lock_is_held+0xb5/0x140 [ 435.592572] __alloc_pages_nodemask+0xa80/0xde0 [ 435.597239] ? zap_class+0x640/0x640 [ 435.600959] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 435.605983] ? find_held_lock+0x36/0x1c0 [ 435.610048] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.614803] ? lock_downgrade+0x900/0x900 [ 435.618961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.624497] cache_grow_begin+0xa5/0x8c0 [ 435.628552] ? do_raw_spin_unlock+0xa7/0x330 [ 435.632981] fallback_alloc+0x204/0x2e0 [ 435.636965] ____cache_alloc_node+0x1c7/0x1e0 [ 435.641463] kmem_cache_alloc_node+0xe3/0x730 [ 435.645958] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.650200] __alloc_skb+0x119/0x770 [ 435.653907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.659186] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.663589] ? lock_downgrade+0x900/0x900 [ 435.667740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.673271] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.678718] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.684256] ? addrconf_rs_timer+0x690/0x690 [ 435.688758] ndisc_alloc_skb+0x144/0x340 [ 435.692816] ndisc_send_rs+0x331/0x6e0 [ 435.696702] addrconf_rs_timer+0x314/0x690 [ 435.700934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.705177] call_timer_fn+0x272/0x920 [ 435.709060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.713287] ? process_timeout+0x40/0x40 [ 435.717355] ? __run_timers+0x7da/0xc70 [ 435.721326] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.725819] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.730306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.734538] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.739116] ? trace_hardirqs_on+0xbd/0x310 [ 435.743438] ? kasan_check_read+0x11/0x20 [ 435.747579] ? __run_timers+0x7da/0xc70 [ 435.751550] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.756653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.760886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.765117] __run_timers+0x7e5/0xc70 [ 435.768921] ? timer_fixup_init+0x70/0x70 [ 435.773067] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.778099] ? zap_class+0x640/0x640 [ 435.781814] ? enqueue_hrtimer+0x1a5/0x560 [ 435.786045] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.791239] ? find_held_lock+0x36/0x1c0 [ 435.795301] ? zap_class+0x640/0x640 [ 435.799012] ? pvclock_read_flags+0x160/0x160 [ 435.803502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.809038] ? check_preemption_disabled+0x48/0x280 [ 435.814058] ? __lock_is_held+0xb5/0x140 [ 435.818907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.824446] ? check_preemption_disabled+0x48/0x280 [ 435.829465] run_timer_softirq+0x52/0xb0 [ 435.833520] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.838530] __do_softirq+0x308/0xb7e [ 435.842327] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.846816] ? lock_downgrade+0x900/0x900 [ 435.850963] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.856068] ? pvclock_read_flags+0x160/0x160 [ 435.860561] ? lapic_next_event+0x5a/0x90 [ 435.864706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.870244] ? kvm_clock_read+0x18/0x30 [ 435.874215] ? kvm_sched_clock_read+0x9/0x20 [ 435.878627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.884191] ? check_preemption_disabled+0x48/0x280 [ 435.889748] irq_exit+0x17f/0x1c0 [ 435.893203] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.898043] ? smp_reschedule_interrupt+0x109/0x650 [ 435.903060] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.908946] ? interrupt_entry+0xb5/0xc0 [ 435.913003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.918013] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.923025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.927864] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.932873] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.937896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.942743] apic_timer_interrupt+0xf/0x20 [ 435.946991] [ 435.949257] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 435.954182] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 435.973085] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 435.980787] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 435.988050] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 435.995311] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 436.002587] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 436.009848] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 436.017148] skb_clone+0x1bb/0x500 [ 436.020686] ? finish_task_switch+0x2f4/0x910 [ 436.025179] ? skb_split+0x11e0/0x11e0 [ 436.029061] ? preempt_notifier_register+0x200/0x200 [ 436.034156] ? __switch_to_asm+0x34/0x70 [ 436.038212] ? __switch_to_asm+0x34/0x70 [ 436.042269] ? __switch_to_asm+0x40/0x70 [ 436.046327] ? __switch_to_asm+0x34/0x70 [ 436.050391] ? __switch_to_asm+0x40/0x70 [ 436.054444] ? __switch_to_asm+0x34/0x70 [ 436.058496] ? __switch_to_asm+0x40/0x70 [ 436.062552] ? __switch_to_asm+0x34/0x70 [ 436.066611] ? __switch_to_asm+0x34/0x70 [ 436.070664] ? __switch_to_asm+0x40/0x70 [ 436.074720] ? __switch_to_asm+0x34/0x70 [ 436.078786] bpf_clone_redirect+0xb9/0x490 [ 436.083019] ? __schedule+0x8d7/0x21d0 [ 436.086913] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 436.091930] ? __sched_text_start+0x8/0x8 [ 436.096088] ? retint_kernel+0x2d/0x2d [ 436.099972] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.104903] ? find_held_lock+0x36/0x1c0 [ 436.108973] ? lock_acquire+0x1ed/0x520 [ 436.112940] ? bpf_test_run+0x3cb/0x780 [ 436.116913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.122538] ? check_preemption_disabled+0x48/0x280 [ 436.127557] ? kasan_check_read+0x11/0x20 [ 436.131697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.136967] ? rcu_softirq_qs+0x20/0x20 [ 436.140936] ? preempt_schedule+0x4d/0x60 [ 436.145076] ? ___preempt_schedule+0x16/0x18 [ 436.149490] ? bpf_test_run+0x25d/0x780 [ 436.153488] ? netlink_diag_dump+0x2a0/0x2a0 [ 436.157896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.163430] ? bpf_test_init.isra.10+0x70/0x100 [ 436.168099] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 436.172863] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 436.177699] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.183230] ? fput+0x130/0x1a0 [ 436.186505] ? __bpf_prog_get+0x9b/0x290 [ 436.190567] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 436.195405] ? bpf_prog_test_run+0x130/0x1a0 [ 436.199814] ? __x64_sys_bpf+0x3d8/0x520 [ 436.203873] ? bpf_prog_get+0x20/0x20 [ 436.207688] ? do_syscall_64+0x1b9/0x820 [ 436.211743] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 436.217103] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.222031] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.227046] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 436.232057] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 436.238724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.243568] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.248951] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 436.249015] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.255961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.255966] Call Trace: [ 436.255972] [ 436.255989] dump_stack+0x244/0x39d [ 436.256007] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.262544] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.271822] warn_alloc.cold.116+0xb7/0x1bd [ 436.274376] syz-executor4 cpuset=syz4 mems_allowed=0 [ 436.276541] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.309977] ? lock_downgrade+0x900/0x900 [ 436.314128] ? trace_hardirqs_off+0xb8/0x310 [ 436.318537] ? trace_hardirqs_off+0xb8/0x310 [ 436.322951] __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.327815] ? warn_alloc+0x120/0x120 [ 436.331612] ? print_usage_bug+0xc0/0xc0 [ 436.335667] ? warn_alloc+0x120/0x120 [ 436.339465] ? warn_alloc+0x120/0x120 [ 436.343265] ? print_usage_bug+0xc0/0xc0 [ 436.347326] ? print_usage_bug+0xc0/0xc0 [ 436.351398] ? __lock_acquire+0x62f/0x4c20 [ 436.355635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.361171] ? should_fail+0x22d/0xd01 [ 436.365058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.370154] ? __lock_acquire+0x62f/0x4c20 [ 436.374399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.379498] ? __lock_acquire+0x62f/0x4c20 [ 436.383723] ? should_fail+0x22d/0xd01 [ 436.387609] ? find_held_lock+0x36/0x1c0 [ 436.391673] ? mark_held_locks+0x130/0x130 [ 436.395911] ? mark_held_locks+0x130/0x130 [ 436.400138] ? zap_class+0x640/0x640 [ 436.403849] ? zap_class+0x640/0x640 [ 436.407649] ? print_usage_bug+0xc0/0xc0 [ 436.411700] ? do_raw_spin_unlock+0xa7/0x330 [ 436.416101] ? zap_class+0x640/0x640 [ 436.419808] ? print_usage_bug+0xc0/0xc0 [ 436.423862] ? wq_watchdog_touch+0x9c/0xfe [ 436.428094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.433628] ? check_preemption_disabled+0x48/0x280 [ 436.438648] ? __lock_is_held+0xb5/0x140 [ 436.442713] __alloc_pages_nodemask+0xa80/0xde0 [ 436.447394] ? zap_class+0x640/0x640 [ 436.451107] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.456128] ? find_held_lock+0x36/0x1c0 [ 436.460194] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.464862] ? lock_downgrade+0x900/0x900 [ 436.469013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.474551] cache_grow_begin+0xa5/0x8c0 [ 436.478608] ? do_raw_spin_unlock+0xa7/0x330 [ 436.483019] fallback_alloc+0x204/0x2e0 [ 436.486995] ____cache_alloc_node+0x1c7/0x1e0 [ 436.491489] kmem_cache_alloc_node+0xe3/0x730 [ 436.495983] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.500222] __alloc_skb+0x119/0x770 [ 436.503931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.509209] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.513611] ? lock_downgrade+0x900/0x900 [ 436.517758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.523309] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.528759] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.534202] ? addrconf_rs_timer+0x690/0x690 [ 436.538614] ndisc_alloc_skb+0x144/0x340 [ 436.542673] ndisc_send_rs+0x331/0x6e0 [ 436.546560] addrconf_rs_timer+0x314/0x690 [ 436.550792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.555029] call_timer_fn+0x272/0x920 [ 436.558909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.563141] ? process_timeout+0x40/0x40 [ 436.567206] ? mark_held_locks+0xc7/0x130 [ 436.571359] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.576199] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.580685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.584914] ? lockdep_hardirqs_on+0x296/0x5b0 [ 436.589494] ? trace_hardirqs_on+0xbd/0x310 [ 436.593809] ? kasan_check_read+0x11/0x20 [ 436.597948] ? __run_timers+0x7da/0xc70 [ 436.601918] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.607018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.611253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.615479] __run_timers+0x7e5/0xc70 [ 436.619282] ? timer_fixup_init+0x70/0x70 [ 436.623427] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.628439] ? zap_class+0x640/0x640 [ 436.632151] ? print_usage_bug+0xc0/0xc0 [ 436.636208] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.641399] ? find_held_lock+0x36/0x1c0 [ 436.645460] ? zap_class+0x640/0x640 [ 436.649171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.654702] ? check_preemption_disabled+0x48/0x280 [ 436.659721] ? __lock_is_held+0xb5/0x140 [ 436.663781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.669326] ? check_preemption_disabled+0x48/0x280 [ 436.674364] run_timer_softirq+0x52/0xb0 [ 436.678433] ? rcu_read_lock_sched_held+0x14f/0x180 [ 436.683454] __do_softirq+0x308/0xb7e [ 436.687256] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 436.691750] ? lock_downgrade+0x900/0x900 [ 436.695900] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 436.701004] ? pvclock_read_flags+0x160/0x160 [ 436.705498] ? lapic_next_event+0x5a/0x90 [ 436.709653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.715193] ? kvm_clock_read+0x18/0x30 [ 436.719170] ? kvm_sched_clock_read+0x9/0x20 [ 436.725089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.730626] ? check_preemption_disabled+0x48/0x280 [ 436.735651] irq_exit+0x17f/0x1c0 [ 436.739101] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.743938] ? smp_reschedule_interrupt+0x109/0x650 [ 436.748951] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.754836] ? interrupt_entry+0xb5/0xc0 [ 436.758902] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.763910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.768921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.773764] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.778775] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.783784] ? task_prio+0x50/0x50 [ 436.787328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.792865] ? check_preemption_disabled+0x48/0x280 [ 436.797891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.802739] apic_timer_interrupt+0xf/0x20 [ 436.807048] [ 436.809283] RIP: 0010:dump_stack+0x358/0x39d [ 436.813698] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 436.832590] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 436.840291] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 436.847561] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 436.854825] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 436.862087] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 436.869353] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 436.877066] ? dump_stack+0x34f/0x39d [ 436.880872] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.886060] ? mark_held_locks+0x130/0x130 [ 436.890287] ? mark_held_locks+0x130/0x130 [ 436.894529] dump_header+0x27b/0xf72 [ 436.898267] ? pagefault_out_of_memory+0x197/0x197 [ 436.903199] ? __lock_acquire+0x62f/0x4c20 [ 436.907434] ? percpu_ref_get_many+0x240/0x240 [ 436.912015] ? print_usage_bug+0xc0/0xc0 [ 436.916077] ? zap_class+0x640/0x640 [ 436.919788] ? print_usage_bug+0xc0/0xc0 [ 436.923840] ? print_usage_bug+0xc0/0xc0 [ 436.927896] ? zap_class+0x640/0x640 [ 436.931607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.937141] ? find_held_lock+0x36/0x1c0 [ 436.941204] ? mark_held_locks+0xc7/0x130 [ 436.945355] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.950457] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.955553] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 436.960135] ? trace_hardirqs_on+0xbd/0x310 [ 436.964450] ? kasan_check_read+0x11/0x20 [ 436.968592] ? ___ratelimit+0x3b4/0x672 [ 436.972563] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.977660] ? trace_hardirqs_on+0x310/0x310 [ 436.982068] ? lock_downgrade+0x900/0x900 [ 436.986219] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.991322] ? ___ratelimit+0x3b9/0x672 [ 436.995294] ? idr_get_free+0xf70/0xf70 [ 436.999278] ? find_held_lock+0x36/0x1c0 [ 437.003355] oom_kill_process.cold.27+0x10/0x903 [ 437.008108] ? zap_class+0x640/0x640 [ 437.011817] ? check_preemption_disabled+0x48/0x280 [ 437.016831] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 437.021756] ? kasan_check_read+0x11/0x20 [ 437.025898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.031169] ? oom_evaluate_task+0x540/0x540 [ 437.035575] ? find_held_lock+0x36/0x1c0 [ 437.039654] ? out_of_memory+0x974/0x1430 [ 437.043887] ? lock_downgrade+0x900/0x900 [ 437.048143] ? check_preemption_disabled+0x48/0x280 [ 437.053160] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 437.058087] ? kasan_check_read+0x11/0x20 [ 437.062235] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.067505] ? rcu_softirq_qs+0x20/0x20 [ 437.071477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.077006] ? oom_evaluate_task+0x302/0x540 [ 437.081416] out_of_memory+0xa84/0x1430 [ 437.085392] ? oom_killer_disable+0x3a0/0x3a0 [ 437.089883] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 437.094812] ? __ww_mutex_check_waiters+0x160/0x160 [ 437.099837] __alloc_pages_slowpath+0x2354/0x2e10 [ 437.104712] ? warn_alloc+0x120/0x120 [ 437.108507] ? mark_held_locks+0x130/0x130 [ 437.112740] ? find_get_entry+0xaae/0x1120 [ 437.116980] ? filemap_map_pages+0x1a20/0x1a20 [ 437.121569] ? zap_class+0x640/0x640 [ 437.125282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.130836] ? check_preemption_disabled+0x48/0x280 [ 437.135847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.141383] ? should_fail+0x22d/0xd01 [ 437.145269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.150375] ? zap_class+0x640/0x640 [ 437.154107] ? __lock_is_held+0xb5/0x140 [ 437.158175] ? mark_held_locks+0x130/0x130 [ 437.162416] ? lock_release+0xa00/0xa00 [ 437.166387] ? perf_trace_sched_process_exec+0x860/0x860 [ 437.171833] ? xa_load+0x2ba/0x460 [ 437.175378] ? lock_downgrade+0x900/0x900 [ 437.179529] ? __might_sleep+0x95/0x190 [ 437.183510] __alloc_pages_nodemask+0xa80/0xde0 [ 437.188184] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 437.193196] ? __page_cache_alloc+0x191/0x5c0 [ 437.197688] ? xa_load+0x2e1/0x460 [ 437.201226] ? xa_clear_mark+0x40/0x40 [ 437.205109] ? zap_class+0x640/0x640 [ 437.208824] ? zap_class+0x640/0x640 [ 437.212534] ? zap_class+0x640/0x640 [ 437.216246] ? __do_page_cache_readahead+0x663/0x810 [ 437.221350] ? find_held_lock+0x36/0x1c0 [ 437.225415] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 437.230955] alloc_pages_current+0x173/0x350 [ 437.235370] __page_cache_alloc+0x38c/0x5c0 [ 437.239691] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 437.244617] ? kasan_check_read+0x11/0x20 [ 437.248770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.254052] ? generic_perform_write+0x6a0/0x6a0 [ 437.258809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.264352] ? check_preemption_disabled+0x48/0x280 [ 437.269375] filemap_fault+0x1595/0x25f0 [ 437.273451] ? __lock_page_or_retry+0xa00/0xa00 [ 437.278117] ? mark_held_locks+0x130/0x130 [ 437.282360] ? filemap_map_pages+0xd6b/0x1a20 [ 437.286856] ? lock_downgrade+0x900/0x900 [ 437.291012] ? check_preemption_disabled+0x48/0x280 [ 437.296030] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 437.300971] ? kasan_check_read+0x11/0x20 [ 437.305118] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.310398] ? rcu_softirq_qs+0x20/0x20 [ 437.314384] ? filemap_map_pages+0xd92/0x1a20 [ 437.318890] ? find_get_entries_tag+0x1400/0x1400 [ 437.324603] ? debug_object_destroy+0x2b0/0x2b0 [ 437.329282] ? lock_pi_update_atomic+0x150/0x150 [ 437.334125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.339673] ? lock_acquire+0x1ed/0x520 [ 437.343643] ? ext4_filemap_fault+0x7a/0xad [ 437.347965] ? lock_release+0xa00/0xa00 [ 437.351937] ? perf_trace_sched_process_exec+0x860/0x860 [ 437.357390] ? print_usage_bug+0xc0/0xc0 [ 437.361450] ? print_usage_bug+0xc0/0xc0 [ 437.365521] ? down_read+0x8d/0x120 [ 437.369141] ? ext4_filemap_fault+0x7a/0xad [ 437.373474] ? __down_interruptible+0x700/0x700 [ 437.378149] ext4_filemap_fault+0x82/0xad [ 437.382306] __do_fault+0x100/0x6b0 [ 437.385942] ? pmd_devmap_trans_unstable+0x220/0x220 [ 437.391048] ? mark_held_locks+0x130/0x130 [ 437.395288] ? mark_held_locks+0x130/0x130 [ 437.399533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.405070] ? check_preemption_disabled+0x48/0x280 [ 437.410090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.415638] __handle_mm_fault+0x3ea0/0x5be0 [ 437.420051] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 437.424896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.430432] ? __fpu__restore_sig+0x62f/0x1680 [ 437.435031] ? zap_class+0x640/0x640 [ 437.438742] ? zap_class+0x640/0x640 [ 437.442446] ? __x64_sys_futex+0x53e/0x6a0 [ 437.446680] ? find_held_lock+0x36/0x1c0 [ 437.450747] ? handle_mm_fault+0x42a/0xc70 [ 437.454985] ? lock_downgrade+0x900/0x900 [ 437.459143] ? check_preemption_disabled+0x48/0x280 [ 437.464162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 437.469087] ? kasan_check_read+0x11/0x20 [ 437.473230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.478514] ? rcu_softirq_qs+0x20/0x20 [ 437.482489] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.487591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.493133] ? check_preemption_disabled+0x48/0x280 [ 437.498163] handle_mm_fault+0x54f/0xc70 [ 437.502228] ? __handle_mm_fault+0x5be0/0x5be0 [ 437.506845] ? find_vma+0x34/0x190 [ 437.510387] __do_page_fault+0x5e8/0xe60 [ 437.514447] ? trace_hardirqs_off+0xb8/0x310 [ 437.518856] ? exit_to_usermode_loop+0x1f4/0x380 [ 437.523615] do_page_fault+0xf2/0x7e0 [ 437.527414] ? vmalloc_sync_all+0x30/0x30 [ 437.531558] ? error_entry+0x70/0xd0 [ 437.535355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.540382] ? trace_hardirqs_on_caller+0xc0/0x310 [ 437.545315] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.550245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.555103] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.560135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.565588] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.570610] ? page_fault+0x8/0x30 [ 437.574152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.578997] ? page_fault+0x8/0x30 [ 437.582536] page_fault+0x1e/0x30 [ 437.585986] RIP: 0033:0x45ddf3 [ 437.589185] Code: Bad RIP value. [ 437.592542] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 437.597899] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 437.605165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 437.612430] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 437.619695] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 437.626960] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 437.634258] warn_alloc_show_mem: 1 callbacks suppressed [ 437.634269] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 437.634276] Mem-Info: [ 437.639635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.646996] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 437.646996] active_file:14 inactive_file:13 isolated_file:0 [ 437.646996] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.646996] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 437.646996] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 437.646996] free:13747 free_pcp:512 free_cma:0 [ 437.649365] Call Trace: [ 437.649376] [ 437.659321] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.692160] dump_stack+0x244/0x39d [ 437.694717] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.696857] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.724765] lowmem_reserve[]: 0 2818 6321 6321 [ 437.728490] warn_alloc.cold.116+0xb7/0x1bd [ 437.754568] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 437.759764] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.764301] lowmem_reserve[]: 0 0 3503 3503 [ 437.768624] ? lock_downgrade+0x900/0x900 [ 437.795934] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 437.800784] ? trace_hardirqs_off+0xb8/0x310 [ 437.805068] lowmem_reserve[]: 0 0 0 0 [ 437.809213] ? trace_hardirqs_off+0xb8/0x310 [ 437.838165] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 437.842581] __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.846343] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 437.850776] ? warn_alloc+0x120/0x120 [ 437.864253] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 437.869092] ? print_usage_bug+0xc0/0xc0 [ 437.884330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.888618] ? warn_alloc+0x120/0x120 [ 437.902986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.907040] ? warn_alloc+0x120/0x120 [ 437.915841] 165 total pagecache pages [ 437.915858] 0 pages in swap cache [ 437.919643] ? print_usage_bug+0xc0/0xc0 [ 437.928188] Swap cache stats: add 0, delete 0, find 0/0 [ 437.928196] Free swap = 0kB [ 437.932094] ? kvm_clock_read+0x18/0x30 [ 437.935864] Total swap = 0kB [ 437.939316] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.943349] 1965979 pages RAM [ 437.948704] ? print_usage_bug+0xc0/0xc0 [ 437.951693] 0 pages HighMem/MovableOnly [ 437.955655] ? __lock_acquire+0x62f/0x4c20 [ 437.958639] 342855 pages reserved [ 437.958647] 0 pages cma reserved [ 437.963651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.966780] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.970778] ? should_fail+0x22d/0xd01 [ 437.974805] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.978955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.982382] syz-fuzzer cpuset=/ mems_allowed=0 [ 437.985734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.026859] ? __lock_acquire+0x62f/0x4c20 [ 438.031098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.036199] ? __lock_acquire+0x62f/0x4c20 [ 438.040436] ? should_fail+0x22d/0xd01 [ 438.044318] ? rcu_irq_exit+0x1a2/0x390 [ 438.048304] ? mark_held_locks+0x130/0x130 [ 438.052542] ? mark_held_locks+0x130/0x130 [ 438.056784] ? mark_held_locks+0xc7/0x130 [ 438.060931] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 438.065948] ? zap_class+0x640/0x640 [ 438.069661] ? print_usage_bug+0xc0/0xc0 [ 438.073725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.079272] ? check_preemption_disabled+0x48/0x280 [ 438.084296] ? __lock_is_held+0xb5/0x140 [ 438.088365] __alloc_pages_nodemask+0xa80/0xde0 [ 438.093031] ? zap_class+0x640/0x640 [ 438.096750] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 438.101773] ? find_held_lock+0x36/0x1c0 [ 438.105844] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.110515] ? lock_downgrade+0x900/0x900 [ 438.114672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.120222] cache_grow_begin+0xa5/0x8c0 [ 438.124282] ? do_raw_spin_unlock+0xa7/0x330 [ 438.128693] fallback_alloc+0x204/0x2e0 [ 438.132689] ____cache_alloc_node+0x1c7/0x1e0 [ 438.137193] kmem_cache_alloc_node+0xe3/0x730 [ 438.141700] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.145944] __alloc_skb+0x119/0x770 [ 438.149652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.154933] ? netdev_alloc_frag+0x1f0/0x1f0 [ 438.159341] ? lock_downgrade+0x900/0x900 [ 438.163502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.169047] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.174506] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.179959] ? addrconf_rs_timer+0x690/0x690 [ 438.184395] ndisc_alloc_skb+0x144/0x340 [ 438.188461] ndisc_send_rs+0x331/0x6e0 [ 438.192353] addrconf_rs_timer+0x314/0x690 [ 438.196593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.200839] call_timer_fn+0x272/0x920 [ 438.204725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.208957] ? process_timeout+0x40/0x40 [ 438.213023] ? __run_timers+0x7da/0xc70 [ 438.217002] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.221498] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.225994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.230235] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.234816] ? trace_hardirqs_on+0xbd/0x310 [ 438.239138] ? kasan_check_read+0x11/0x20 [ 438.243281] ? __run_timers+0x7da/0xc70 [ 438.247257] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.252366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.256617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.260845] __run_timers+0x7e5/0xc70 [ 438.264653] ? timer_fixup_init+0x70/0x70 [ 438.268797] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.273810] ? zap_class+0x640/0x640 [ 438.277527] ? enqueue_hrtimer+0x1a5/0x560 [ 438.281761] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.286958] ? find_held_lock+0x36/0x1c0 [ 438.291019] ? zap_class+0x640/0x640 [ 438.294741] ? pvclock_read_flags+0x160/0x160 [ 438.299239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.304780] ? check_preemption_disabled+0x48/0x280 [ 438.309803] ? __lock_is_held+0xb5/0x140 [ 438.313861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.319397] ? check_preemption_disabled+0x48/0x280 [ 438.324415] run_timer_softirq+0x52/0xb0 [ 438.328473] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.333487] __do_softirq+0x308/0xb7e [ 438.337287] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.341780] ? lock_downgrade+0x900/0x900 [ 438.345934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.351041] ? pvclock_read_flags+0x160/0x160 [ 438.355540] ? lapic_next_event+0x5a/0x90 [ 438.359686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.365227] ? kvm_clock_read+0x18/0x30 [ 438.369201] ? kvm_sched_clock_read+0x9/0x20 [ 438.373610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.379149] ? check_preemption_disabled+0x48/0x280 [ 438.384191] irq_exit+0x17f/0x1c0 [ 438.387643] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.392482] ? smp_reschedule_interrupt+0x109/0x650 [ 438.397496] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.403384] ? interrupt_entry+0xb5/0xc0 [ 438.407444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.412455] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.417476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.422317] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.427327] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.432356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.437210] apic_timer_interrupt+0xf/0x20 [ 438.441437] [ 438.443677] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 438.448608] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 438.467508] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 438.475212] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 438.482475] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 438.489741] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 438.497011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 438.504281] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 438.511600] skb_clone+0x1bb/0x500 [ 438.515143] ? finish_task_switch+0x2f4/0x910 [ 438.519642] ? skb_split+0x11e0/0x11e0 [ 438.523531] ? preempt_notifier_register+0x200/0x200 [ 438.528630] ? __switch_to_asm+0x34/0x70 [ 438.532702] ? __switch_to_asm+0x34/0x70 [ 438.536759] ? __switch_to_asm+0x40/0x70 [ 438.540817] ? __switch_to_asm+0x34/0x70 [ 438.544881] ? __switch_to_asm+0x40/0x70 [ 438.548938] ? __switch_to_asm+0x34/0x70 [ 438.553002] ? __switch_to_asm+0x40/0x70 [ 438.557060] ? __switch_to_asm+0x34/0x70 [ 438.561121] ? __switch_to_asm+0x34/0x70 [ 438.565187] ? __switch_to_asm+0x40/0x70 [ 438.569246] ? __switch_to_asm+0x34/0x70 [ 438.573310] bpf_clone_redirect+0xb9/0x490 [ 438.577540] ? __schedule+0x8d7/0x21d0 [ 438.581432] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 438.586446] ? __sched_text_start+0x8/0x8 [ 438.590590] ? retint_kernel+0x2d/0x2d [ 438.594479] ? trace_hardirqs_on_caller+0xc0/0x310 [ 438.599419] ? find_held_lock+0x36/0x1c0 [ 438.603485] ? lock_acquire+0x1ed/0x520 [ 438.607453] ? bpf_test_run+0x3cb/0x780 [ 438.611423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.616960] ? check_preemption_disabled+0x48/0x280 [ 438.621982] ? kasan_check_read+0x11/0x20 [ 438.626145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.631426] ? rcu_softirq_qs+0x20/0x20 [ 438.635399] ? preempt_schedule+0x4d/0x60 [ 438.639544] ? ___preempt_schedule+0x16/0x18 [ 438.643959] ? bpf_test_run+0x25d/0x780 [ 438.647941] ? netlink_diag_dump+0x2a0/0x2a0 [ 438.652358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.657898] ? bpf_test_init.isra.10+0x70/0x100 [ 438.662576] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 438.667335] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.672178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 438.677712] ? fput+0x130/0x1a0 [ 438.680994] ? __bpf_prog_get+0x9b/0x290 [ 438.685057] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.689899] ? bpf_prog_test_run+0x130/0x1a0 [ 438.694315] ? __x64_sys_bpf+0x3d8/0x520 [ 438.698379] ? bpf_prog_get+0x20/0x20 [ 438.702202] ? do_syscall_64+0x1b9/0x820 [ 438.706262] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 438.711625] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.716559] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.721983] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 438.727000] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 438.733672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.738524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 438.743901] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 438.743964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 438.750909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.750917] Call Trace: [ 438.757484] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.766741] [ 438.769307] syz-executor4 cpuset=syz4 mems_allowed=0 [ 438.779784] dump_stack+0x244/0x39d [ 438.790618] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.795816] warn_alloc.cold.116+0xb7/0x1bd [ 438.800146] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.804994] ? lock_downgrade+0x900/0x900 [ 438.809160] ? trace_hardirqs_off+0xb8/0x310 [ 438.813575] ? trace_hardirqs_off+0xb8/0x310 [ 438.817998] __alloc_pages_slowpath+0x26e8/0x2e10 [ 438.822865] ? warn_alloc+0x120/0x120 [ 438.826661] ? print_usage_bug+0xc0/0xc0 [ 438.830737] ? warn_alloc+0x120/0x120 [ 438.834554] ? warn_alloc+0x120/0x120 [ 438.838365] ? print_usage_bug+0xc0/0xc0 [ 438.842428] ? kvm_clock_read+0x18/0x30 [ 438.846410] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 438.851428] ? print_usage_bug+0xc0/0xc0 [ 438.855491] ? __lock_acquire+0x62f/0x4c20 [ 438.859735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.866149] ? should_fail+0x22d/0xd01 [ 438.870050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.875333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.880433] ? __lock_acquire+0x62f/0x4c20 [ 438.884671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.889770] ? __lock_acquire+0x62f/0x4c20 [ 438.894006] ? should_fail+0x22d/0xd01 [ 438.897897] ? rcu_irq_exit+0x1a2/0x390 [ 438.901886] ? mark_held_locks+0x130/0x130 [ 438.906149] ? mark_held_locks+0x130/0x130 [ 438.910392] ? mark_held_locks+0xc7/0x130 [ 438.914539] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 438.919555] ? zap_class+0x640/0x640 [ 438.923272] ? print_usage_bug+0xc0/0xc0 [ 438.927335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.932880] ? check_preemption_disabled+0x48/0x280 [ 438.937900] ? __lock_is_held+0xb5/0x140 [ 438.941963] __alloc_pages_nodemask+0xa80/0xde0 [ 438.946632] ? zap_class+0x640/0x640 [ 438.950347] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 438.955367] ? find_held_lock+0x36/0x1c0 [ 438.959433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.964098] ? lock_downgrade+0x900/0x900 [ 438.968253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.973793] cache_grow_begin+0xa5/0x8c0 [ 438.977846] ? do_raw_spin_unlock+0xa7/0x330 [ 438.982260] fallback_alloc+0x204/0x2e0 [ 438.986239] ____cache_alloc_node+0x1c7/0x1e0 [ 438.990738] kmem_cache_alloc_node+0xe3/0x730 [ 438.995239] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.999479] __alloc_skb+0x119/0x770 [ 439.003192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.008564] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.012967] ? lock_downgrade+0x900/0x900 [ 439.017123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.022662] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.028120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.033584] ? addrconf_rs_timer+0x690/0x690 [ 439.038008] ndisc_alloc_skb+0x144/0x340 [ 439.042070] ndisc_send_rs+0x331/0x6e0 [ 439.045960] addrconf_rs_timer+0x314/0x690 [ 439.050198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.054447] call_timer_fn+0x272/0x920 [ 439.058331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.062567] ? process_timeout+0x40/0x40 [ 439.066645] ? mark_held_locks+0xc7/0x130 [ 439.070792] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.075302] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.079795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.084030] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.088610] ? trace_hardirqs_on+0xbd/0x310 [ 439.092935] ? kasan_check_read+0x11/0x20 [ 439.097083] ? __run_timers+0x7da/0xc70 [ 439.101061] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.106170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.110415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.114643] __run_timers+0x7e5/0xc70 [ 439.118451] ? timer_fixup_init+0x70/0x70 [ 439.122598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.127612] ? zap_class+0x640/0x640 [ 439.131327] ? print_usage_bug+0xc0/0xc0 [ 439.135389] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.140588] ? find_held_lock+0x36/0x1c0 [ 439.144655] ? zap_class+0x640/0x640 [ 439.148378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.154088] ? check_preemption_disabled+0x48/0x280 [ 439.159134] ? __lock_is_held+0xb5/0x140 [ 439.163205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.168745] ? check_preemption_disabled+0x48/0x280 [ 439.173813] run_timer_softirq+0x52/0xb0 [ 439.177882] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.182903] __do_softirq+0x308/0xb7e [ 439.186708] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 439.191200] ? lock_downgrade+0x900/0x900 [ 439.195357] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.200465] ? pvclock_read_flags+0x160/0x160 [ 439.204962] ? lapic_next_event+0x5a/0x90 [ 439.209120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.214665] ? kvm_clock_read+0x18/0x30 [ 439.218647] ? kvm_sched_clock_read+0x9/0x20 [ 439.223064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.228602] ? check_preemption_disabled+0x48/0x280 [ 439.233629] irq_exit+0x17f/0x1c0 [ 439.237082] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.241928] ? smp_reschedule_interrupt+0x109/0x650 [ 439.246946] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.252834] ? interrupt_entry+0xb5/0xc0 [ 439.256896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.261908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.266920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.271766] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.276779] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.281794] ? task_prio+0x50/0x50 [ 439.285336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.290875] ? check_preemption_disabled+0x48/0x280 [ 439.295895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.300748] apic_timer_interrupt+0xf/0x20 [ 439.304978] [ 439.307212] RIP: 0010:dump_stack+0x358/0x39d [ 439.311635] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 439.330533] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 439.338258] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 439.345541] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 439.352806] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 439.360072] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 439.367352] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 439.374635] ? dump_stack+0x34f/0x39d [ 439.378441] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.383632] ? mark_held_locks+0x130/0x130 [ 439.387866] ? mark_held_locks+0x130/0x130 [ 439.392104] dump_header+0x27b/0xf72 [ 439.395828] ? pagefault_out_of_memory+0x197/0x197 [ 439.400762] ? __lock_acquire+0x62f/0x4c20 [ 439.404997] ? percpu_ref_get_many+0x240/0x240 [ 439.409579] ? print_usage_bug+0xc0/0xc0 [ 439.413641] ? zap_class+0x640/0x640 [ 439.417359] ? print_usage_bug+0xc0/0xc0 [ 439.421414] ? print_usage_bug+0xc0/0xc0 [ 439.425477] ? zap_class+0x640/0x640 [ 439.429193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.434737] ? find_held_lock+0x36/0x1c0 [ 439.438806] ? mark_held_locks+0xc7/0x130 [ 439.442954] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.448057] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.453166] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 439.457747] ? trace_hardirqs_on+0xbd/0x310 [ 439.462068] ? kasan_check_read+0x11/0x20 [ 439.466225] ? ___ratelimit+0x3b4/0x672 [ 439.470292] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.475394] ? trace_hardirqs_on+0x310/0x310 [ 439.479800] ? lock_downgrade+0x900/0x900 [ 439.484218] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.489322] ? ___ratelimit+0x3b9/0x672 [ 439.493296] ? idr_get_free+0xf70/0xf70 [ 439.497265] ? find_held_lock+0x36/0x1c0 [ 439.501332] oom_kill_process.cold.27+0x10/0x903 [ 439.506102] ? zap_class+0x640/0x640 [ 439.509825] ? check_preemption_disabled+0x48/0x280 [ 439.514847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.519774] ? kasan_check_read+0x11/0x20 [ 439.523920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.529282] ? oom_evaluate_task+0x540/0x540 [ 439.533693] ? find_held_lock+0x36/0x1c0 [ 439.537756] ? out_of_memory+0x974/0x1430 [ 439.541907] ? lock_downgrade+0x900/0x900 [ 439.546055] ? check_preemption_disabled+0x48/0x280 [ 439.551091] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.556025] ? kasan_check_read+0x11/0x20 [ 439.560182] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.565465] ? rcu_softirq_qs+0x20/0x20 [ 439.569440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.574973] ? oom_evaluate_task+0x302/0x540 [ 439.579381] out_of_memory+0xa84/0x1430 [ 439.583368] ? oom_killer_disable+0x3a0/0x3a0 [ 439.587862] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 439.592791] ? __ww_mutex_check_waiters+0x160/0x160 [ 439.597820] __alloc_pages_slowpath+0x2354/0x2e10 [ 439.602686] ? warn_alloc+0x120/0x120 [ 439.606481] ? mark_held_locks+0x130/0x130 [ 439.610724] ? find_get_entry+0xaae/0x1120 [ 439.614965] ? filemap_map_pages+0x1a20/0x1a20 [ 439.619550] ? zap_class+0x640/0x640 [ 439.623268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.628801] ? check_preemption_disabled+0x48/0x280 [ 439.633815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.639361] ? should_fail+0x22d/0xd01 [ 439.643251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.648357] ? zap_class+0x640/0x640 [ 439.652101] ? __lock_is_held+0xb5/0x140 [ 439.656172] ? mark_held_locks+0x130/0x130 [ 439.660407] ? lock_release+0xa00/0xa00 [ 439.664384] ? perf_trace_sched_process_exec+0x860/0x860 [ 439.669833] ? xa_load+0x2ba/0x460 [ 439.673374] ? lock_downgrade+0x900/0x900 [ 439.677520] ? __might_sleep+0x95/0x190 [ 439.681495] __alloc_pages_nodemask+0xa80/0xde0 [ 439.686172] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 439.691189] ? __page_cache_alloc+0x191/0x5c0 [ 439.695678] ? xa_load+0x2e1/0x460 [ 439.699217] ? xa_clear_mark+0x40/0x40 [ 439.703107] ? zap_class+0x640/0x640 [ 439.706826] ? zap_class+0x640/0x640 [ 439.710538] ? zap_class+0x640/0x640 [ 439.714247] ? __do_page_cache_readahead+0x663/0x810 [ 439.719353] ? find_held_lock+0x36/0x1c0 [ 439.723852] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 439.729393] alloc_pages_current+0x173/0x350 [ 439.733804] __page_cache_alloc+0x38c/0x5c0 [ 439.738118] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.743047] ? kasan_check_read+0x11/0x20 [ 439.747210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.752516] ? generic_perform_write+0x6a0/0x6a0 [ 439.757302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.762845] ? check_preemption_disabled+0x48/0x280 [ 439.767867] filemap_fault+0x1595/0x25f0 [ 439.771941] ? __lock_page_or_retry+0xa00/0xa00 [ 439.776610] ? mark_held_locks+0x130/0x130 [ 439.780854] ? filemap_map_pages+0xd6b/0x1a20 [ 439.785353] ? lock_downgrade+0x900/0x900 [ 439.789500] ? check_preemption_disabled+0x48/0x280 [ 439.794515] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.799439] ? kasan_check_read+0x11/0x20 [ 439.803590] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.808865] ? rcu_softirq_qs+0x20/0x20 [ 439.812851] ? filemap_map_pages+0xd92/0x1a20 [ 439.817532] ? find_get_entries_tag+0x1400/0x1400 [ 439.822377] ? debug_object_destroy+0x2b0/0x2b0 [ 439.827053] ? lock_pi_update_atomic+0x150/0x150 [ 439.831813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.837362] ? lock_acquire+0x1ed/0x520 [ 439.841329] ? ext4_filemap_fault+0x7a/0xad [ 439.845648] ? lock_release+0xa00/0xa00 [ 439.849620] ? perf_trace_sched_process_exec+0x860/0x860 [ 439.855079] ? print_usage_bug+0xc0/0xc0 [ 439.859143] ? print_usage_bug+0xc0/0xc0 [ 439.863219] ? down_read+0x8d/0x120 [ 439.866841] ? ext4_filemap_fault+0x7a/0xad [ 439.871164] ? __down_interruptible+0x700/0x700 [ 439.875840] ext4_filemap_fault+0x82/0xad [ 439.879987] __do_fault+0x100/0x6b0 [ 439.883620] ? pmd_devmap_trans_unstable+0x220/0x220 [ 439.889142] ? mark_held_locks+0x130/0x130 [ 439.893375] ? mark_held_locks+0x130/0x130 [ 439.897695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.903240] ? check_preemption_disabled+0x48/0x280 [ 439.908256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.913799] __handle_mm_fault+0x3ea0/0x5be0 [ 439.918216] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 439.923067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.928607] ? __fpu__restore_sig+0x62f/0x1680 [ 439.933210] ? zap_class+0x640/0x640 [ 439.936921] ? zap_class+0x640/0x640 [ 439.940636] ? __x64_sys_futex+0x53e/0x6a0 [ 439.944872] ? find_held_lock+0x36/0x1c0 [ 439.948950] ? handle_mm_fault+0x42a/0xc70 [ 439.953188] ? lock_downgrade+0x900/0x900 [ 439.957333] ? check_preemption_disabled+0x48/0x280 [ 439.962357] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.967286] ? kasan_check_read+0x11/0x20 [ 439.971438] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.976717] ? rcu_softirq_qs+0x20/0x20 [ 439.980693] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.985800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.991345] ? check_preemption_disabled+0x48/0x280 [ 439.996371] handle_mm_fault+0x54f/0xc70 [ 440.000434] ? __handle_mm_fault+0x5be0/0x5be0 [ 440.005021] ? find_vma+0x34/0x190 [ 440.008578] __do_page_fault+0x5e8/0xe60 [ 440.012634] ? trace_hardirqs_off+0xb8/0x310 [ 440.017049] ? exit_to_usermode_loop+0x1f4/0x380 [ 440.021817] do_page_fault+0xf2/0x7e0 [ 440.025616] ? vmalloc_sync_all+0x30/0x30 [ 440.029766] ? error_entry+0x70/0xd0 [ 440.033479] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.038493] ? trace_hardirqs_on_caller+0xc0/0x310 [ 440.043422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.048353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.053226] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.058244] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.063702] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.068715] ? page_fault+0x8/0x30 [ 440.072261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.077102] ? page_fault+0x8/0x30 [ 440.080643] page_fault+0x1e/0x30 [ 440.084096] RIP: 0033:0x45ddf3 [ 440.087298] Code: Bad RIP value. [ 440.090656] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 440.096013] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 440.103292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 440.110559] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 440.117821] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 440.125095] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 440.132381] warn_alloc_show_mem: 1 callbacks suppressed [ 440.132392] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 440.132394] Mem-Info: [ 440.132423] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 440.132423] active_file:14 inactive_file:13 isolated_file:0 [ 440.132423] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.132423] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 440.132423] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 440.132423] free:13747 free_pcp:512 free_cma:0 [ 440.137755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.137763] Call Trace: [ 440.145128] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.147517] [ 440.180472] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.189849] dump_stack+0x244/0x39d [ 440.192404] lowmem_reserve[]: 0 2818 6321 6321 [ 440.219901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.222030] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 440.248147] warn_alloc.cold.116+0xb7/0x1bd [ 440.251739] lowmem_reserve[]: 0 0 3503 3503 [ 440.256311] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.261557] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 440.288884] ? lock_downgrade+0x900/0x900 [ 440.293174] lowmem_reserve[]: 0 0 0 0 [ 440.297489] ? trace_hardirqs_off+0xb8/0x310 [ 440.302297] 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 [ 440.331264] ? trace_hardirqs_off+0xb8/0x310 [ 440.335384] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 440.339179] __alloc_pages_slowpath+0x26e8/0x2e10 [ 440.343555] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 440.357091] ? warn_alloc+0x120/0x120 [ 440.361456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 440.376698] ? print_usage_bug+0xc0/0xc0 [ 440.381516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 440.395893] ? warn_alloc+0x120/0x120 [ 440.399667] 165 total pagecache pages [ 440.408498] ? warn_alloc+0x120/0x120 [ 440.412540] 0 pages in swap cache [ 440.421095] ? print_usage_bug+0xc0/0xc0 [ 440.424868] Swap cache stats: add 0, delete 0, find 0/0 [ 440.428653] ? kvm_clock_read+0x18/0x30 [ 440.432425] Free swap = 0kB [ 440.435864] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.439896] Total swap = 0kB [ 440.445258] ? print_usage_bug+0xc0/0xc0 [ 440.449211] 1965979 pages RAM [ 440.452213] ? __lock_acquire+0x62f/0x4c20 [ 440.457200] 0 pages HighMem/MovableOnly [ 440.460209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.464235] 342855 pages reserved [ 440.464242] 0 pages cma reserved [ 440.467336] ? should_fail+0x22d/0xd01 [ 440.471601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 440.475499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.475520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.475537] ? __lock_acquire+0x62f/0x4c20 [ 440.481101] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.484492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.487827] syz-fuzzer cpuset=/ mems_allowed=0 [ 440.491695] ? __lock_acquire+0x62f/0x4c20 [ 440.491710] ? should_fail+0x22d/0xd01 [ 440.540672] ? rcu_irq_exit+0x1a2/0x390 [ 440.544650] ? mark_held_locks+0x130/0x130 [ 440.548909] ? mark_held_locks+0x130/0x130 [ 440.553142] ? mark_held_locks+0xc7/0x130 [ 440.557290] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 440.562305] ? zap_class+0x640/0x640 [ 440.566015] ? print_usage_bug+0xc0/0xc0 [ 440.570079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.575611] ? check_preemption_disabled+0x48/0x280 [ 440.580631] ? __lock_is_held+0xb5/0x140 [ 440.584698] __alloc_pages_nodemask+0xa80/0xde0 [ 440.589364] ? zap_class+0x640/0x640 [ 440.593076] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 440.598100] ? find_held_lock+0x36/0x1c0 [ 440.602167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.606835] ? lock_downgrade+0x900/0x900 [ 440.610991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.616535] cache_grow_begin+0xa5/0x8c0 [ 440.620591] ? do_raw_spin_unlock+0xa7/0x330 [ 440.625008] fallback_alloc+0x204/0x2e0 [ 440.628990] ____cache_alloc_node+0x1c7/0x1e0 [ 440.633489] kmem_cache_alloc_node+0xe3/0x730 [ 440.637991] ? ipv6_get_ifaddr+0x42e/0x620 [ 440.642238] __alloc_skb+0x119/0x770 [ 440.645949] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.651230] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.655636] ? lock_downgrade+0x900/0x900 [ 440.659788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.665323] ? refcount_sub_and_test_checked+0x203/0x310 [ 440.670771] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 440.676219] ? addrconf_rs_timer+0x690/0x690 [ 440.680637] ndisc_alloc_skb+0x144/0x340 [ 440.684698] ndisc_send_rs+0x331/0x6e0 [ 440.688585] addrconf_rs_timer+0x314/0x690 [ 440.692822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.697058] call_timer_fn+0x272/0x920 [ 440.700939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.705176] ? process_timeout+0x40/0x40 [ 440.709239] ? __run_timers+0x7da/0xc70 [ 440.713216] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.717706] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.722624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.726860] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.731440] ? trace_hardirqs_on+0xbd/0x310 [ 440.735760] ? kasan_check_read+0x11/0x20 [ 440.739904] ? __run_timers+0x7da/0xc70 [ 440.743884] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.748994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.753230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.757462] __run_timers+0x7e5/0xc70 [ 440.761274] ? timer_fixup_init+0x70/0x70 [ 440.765422] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.770443] ? zap_class+0x640/0x640 [ 440.774154] ? enqueue_hrtimer+0x1a5/0x560 [ 440.778385] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.783581] ? find_held_lock+0x36/0x1c0 [ 440.787653] ? zap_class+0x640/0x640 [ 440.791375] ? pvclock_read_flags+0x160/0x160 [ 440.795871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.801436] ? check_preemption_disabled+0x48/0x280 [ 440.806455] ? __lock_is_held+0xb5/0x140 [ 440.810516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.816050] ? check_preemption_disabled+0x48/0x280 [ 440.821070] run_timer_softirq+0x52/0xb0 [ 440.825124] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.830135] __do_softirq+0x308/0xb7e [ 440.833935] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.838433] ? lock_downgrade+0x900/0x900 [ 440.842928] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.848044] ? pvclock_read_flags+0x160/0x160 [ 440.852536] ? lapic_next_event+0x5a/0x90 [ 440.856681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.862634] ? kvm_clock_read+0x18/0x30 [ 440.866610] ? kvm_sched_clock_read+0x9/0x20 [ 440.871019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.876554] ? check_preemption_disabled+0x48/0x280 [ 440.881581] irq_exit+0x17f/0x1c0 [ 440.885031] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.889873] ? smp_reschedule_interrupt+0x109/0x650 [ 440.894885] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.900765] ? interrupt_entry+0xb5/0xc0 [ 440.904825] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.909834] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.914845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.919692] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.924703] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.929726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.934572] apic_timer_interrupt+0xf/0x20 [ 440.938809] [ 440.941051] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 440.945977] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 440.964878] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 440.972581] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.979847] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 440.987206] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 440.994491] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 441.001776] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 441.009079] skb_clone+0x1bb/0x500 [ 441.012629] ? finish_task_switch+0x2f4/0x910 [ 441.017124] ? skb_split+0x11e0/0x11e0 [ 441.021010] ? preempt_notifier_register+0x200/0x200 [ 441.026108] ? __switch_to_asm+0x34/0x70 [ 441.030169] ? __switch_to_asm+0x34/0x70 [ 441.034227] ? __switch_to_asm+0x40/0x70 [ 441.038307] ? __switch_to_asm+0x34/0x70 [ 441.042362] ? __switch_to_asm+0x40/0x70 [ 441.046421] ? __switch_to_asm+0x34/0x70 [ 441.050478] ? __switch_to_asm+0x40/0x70 [ 441.054533] ? __switch_to_asm+0x34/0x70 [ 441.058590] ? __switch_to_asm+0x34/0x70 [ 441.062649] ? __switch_to_asm+0x40/0x70 [ 441.066703] ? __switch_to_asm+0x34/0x70 [ 441.070769] bpf_clone_redirect+0xb9/0x490 [ 441.075007] ? __schedule+0x8d7/0x21d0 [ 441.078895] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 441.083908] ? __sched_text_start+0x8/0x8 [ 441.088067] ? retint_kernel+0x2d/0x2d [ 441.091959] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.096892] ? find_held_lock+0x36/0x1c0 [ 441.100969] ? lock_acquire+0x1ed/0x520 [ 441.104947] ? bpf_test_run+0x3cb/0x780 [ 441.108933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.114501] ? check_preemption_disabled+0x48/0x280 [ 441.119559] ? kasan_check_read+0x11/0x20 [ 441.123793] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.129064] ? rcu_softirq_qs+0x20/0x20 [ 441.133035] ? preempt_schedule+0x4d/0x60 [ 441.137179] ? ___preempt_schedule+0x16/0x18 [ 441.141592] ? bpf_test_run+0x25d/0x780 [ 441.145573] ? netlink_diag_dump+0x2a0/0x2a0 [ 441.149980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.155515] ? bpf_test_init.isra.10+0x70/0x100 [ 441.160187] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 441.164951] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 441.169797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 441.175328] ? fput+0x130/0x1a0 [ 441.178605] ? __bpf_prog_get+0x9b/0x290 [ 441.182673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 441.187508] ? bpf_prog_test_run+0x130/0x1a0 [ 441.191914] ? __x64_sys_bpf+0x3d8/0x520 [ 441.195976] ? bpf_prog_get+0x20/0x20 [ 441.199792] ? do_syscall_64+0x1b9/0x820 [ 441.203854] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 441.209218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.214148] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.219159] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 441.224170] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 441.230841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.235690] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 441.241071] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 441.241102] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 441.248086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.254295] rcu: (detected by 1, t=10514 jiffies, g=29581, q=2) [ 441.263638] Call Trace: [ 441.269952] rcu: All QSes seen, last rcu_preempt kthread activity 10514 (4294981276-4294970762), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 441.272508] [ 441.285140] syz-executor4 R running task 20688 15033 5763 0x8010000c [ 441.287284] dump_stack+0x244/0x39d [ 441.294434] Call Trace: [ 441.298048] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.300606] [ 441.305796] warn_alloc.cold.116+0xb7/0x1bd [ 441.307927] sched_show_task.cold.84+0x2b6/0x30a [ 441.312225] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.316958] ? can_nice.part.74+0x20/0x20 [ 441.321780] ? lock_downgrade+0x900/0x900 [ 441.325915] ? vprintk_default+0x28/0x30 [ 441.330072] ? trace_hardirqs_off+0xb8/0x310 [ 441.334107] ? vprintk_func+0x85/0x181 [ 441.338498] ? trace_hardirqs_off+0xb8/0x310 [ 441.342358] ? vprintk_func+0x85/0x181 [ 441.346751] __alloc_pages_slowpath+0x26e8/0x2e10 [ 441.350617] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 441.355461] ? warn_alloc+0x120/0x120 [ 441.360179] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 441.363962] ? print_usage_bug+0xc0/0xc0 [ 441.368698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.372735] ? warn_alloc+0x120/0x120 [ 441.378254] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 441.382034] ? warn_alloc+0x120/0x120 [ 441.387287] ? print_usage_bug+0xc0/0xc0 [ 441.391067] ? print_usage_bug+0xc0/0xc0 [ 441.395106] ? rcu_qs+0x110/0x110 [ 441.399145] ? print_usage_bug+0xc0/0xc0 [ 441.402588] ? zap_class+0x640/0x640 [ 441.406620] ? __lock_acquire+0x62f/0x4c20 [ 441.410315] ? print_usage_bug+0xc0/0xc0 [ 441.414531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.418568] ? kasan_check_read+0x11/0x20 [ 441.424081] ? should_fail+0x22d/0xd01 [ 441.428205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.432075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.437591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.442676] ? __lock_acquire+0x62f/0x4c20 [ 441.448196] ? do_trace_rcu_torture_read+0x10/0x10 [ 441.452419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.457334] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 441.462412] ? __lock_acquire+0x62f/0x4c20 [ 441.467670] ? __lock_is_held+0xb5/0x140 [ 441.471880] ? should_fail+0x22d/0xd01 [ 441.475930] ? __rcu_read_lock+0x50/0x50 [ 441.475946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.479808] ? find_held_lock+0x36/0x1c0 [ 441.483849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.489369] ? mark_held_locks+0x130/0x130 [ 441.493404] ? check_preemption_disabled+0x48/0x280 [ 441.498928] ? mark_held_locks+0x130/0x130 [ 441.503140] rcu_check_callbacks+0xfd7/0x13f0 [ 441.508134] ? zap_class+0x640/0x640 [ 441.512347] ? rcutree_dead_cpu+0x10/0x10 [ 441.516821] ? zap_class+0x640/0x640 [ 441.520519] ? lock_downgrade+0x900/0x900 [ 441.524647] ? print_usage_bug+0xc0/0xc0 [ 441.528343] ? lock_release+0x930/0xa00 [ 441.532471] ? do_raw_spin_unlock+0xa7/0x330 [ 441.536518] ? zap_class+0x640/0x640 [ 441.540472] ? zap_class+0x640/0x640 [ 441.544856] ? zap_class+0x640/0x640 [ 441.548556] ? print_usage_bug+0xc0/0xc0 [ 441.552253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.555949] ? wq_watchdog_touch+0x9c/0xfe [ 441.560053] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 441.565511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.569727] ? kvm_set_tsc_khz+0x540/0x540 [ 441.574297] ? check_preemption_disabled+0x48/0x280 [ 441.579813] ? warn_alloc.cold.116+0xd1/0x1bd [ 441.584033] ? __lock_is_held+0xb5/0x140 [ 441.589032] ? find_held_lock+0x36/0x1c0 [ 441.593510] __alloc_pages_nodemask+0xa80/0xde0 [ 441.597551] ? zap_class+0x640/0x640 [ 441.601594] ? zap_class+0x640/0x640 [ 441.606243] ? timekeeping_advance+0x3cc/0xc00 [ 441.609940] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 441.613642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.618219] ? find_held_lock+0x36/0x1c0 [ 441.623217] ? check_preemption_disabled+0x48/0x280 [ 441.628742] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.632786] ? trace_hardirqs_off+0xb8/0x310 [ 441.637781] ? lock_downgrade+0x900/0x900 [ 441.642436] ? __lock_is_held+0xb5/0x140 [ 441.646836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.650968] ? trace_hardirqs_on+0x310/0x310 [ 441.655025] cache_grow_begin+0xa5/0x8c0 [ 441.660545] ? check_preemption_disabled+0x48/0x280 [ 441.664936] ? do_raw_spin_unlock+0xa7/0x330 [ 441.668979] ? raise_softirq+0x199/0x420 [ 441.673979] fallback_alloc+0x204/0x2e0 [ 441.678363] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 441.682410] ____cache_alloc_node+0x1c7/0x1e0 [ 441.686369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.691025] kmem_cache_alloc_node+0xe3/0x730 [ 441.695505] ? check_preemption_disabled+0x48/0x280 [ 441.701019] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.705497] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 441.710501] __alloc_skb+0x119/0x770 [ 441.714716] ? hrtimer_run_queues+0x9a/0x400 [ 441.720232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.723933] ? run_local_timers+0x19b/0x230 [ 441.728322] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.733582] ? timer_clear_idle+0x90/0x90 [ 441.737893] ? lock_downgrade+0x900/0x900 [ 441.742275] ? debug_smp_processor_id+0x1c/0x20 [ 441.742294] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 441.746426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.750558] ? account_process_tick+0x282/0x350 [ 441.755209] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.761162] update_process_times+0x2d/0x70 [ 441.766675] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.771334] tick_sched_handle+0x9f/0x180 [ 441.776767] ? addrconf_rs_timer+0x690/0x690 [ 441.781069] tick_sched_timer+0x45/0x130 [ 441.786507] ndisc_alloc_skb+0x144/0x340 [ 441.790635] __hrtimer_run_queues+0x41c/0x10d0 [ 441.795026] ndisc_send_rs+0x331/0x6e0 [ 441.799073] ? tick_sched_do_timer+0x1a0/0x1a0 [ 441.803553] addrconf_rs_timer+0x314/0x690 [ 441.808135] ? hrtimer_start_range_ns+0xe00/0xe00 [ 441.812003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.816573] ? pvclock_read_flags+0x160/0x160 [ 441.820791] call_timer_fn+0x272/0x920 [ 441.825622] ? trace_hardirqs_on+0x310/0x310 [ 441.829834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.834316] ? kvm_clock_read+0x18/0x30 [ 441.838184] ? process_timeout+0x40/0x40 [ 441.842574] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 441.846793] ? mark_held_locks+0xc7/0x130 [ 441.850744] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 441.854964] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.860049] ? do_timer+0x50/0x50 [ 441.864552] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.869899] ? rwlock_bug.part.2+0x90/0x90 [ 441.874372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.877809] ? trace_hardirqs_on+0x310/0x310 [ 441.882283] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.886495] ? rcu_softirq_qs+0x20/0x20 [ 441.891058] ? trace_hardirqs_on+0xbd/0x310 [ 441.895451] hrtimer_interrupt+0x313/0x780 [ 441.900002] ? kasan_check_read+0x11/0x20 [ 441.900016] ? __run_timers+0x7da/0xc70 [ 441.903989] smp_apic_timer_interrupt+0x1a1/0x760 [ 441.908277] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.912491] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.916622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.920578] ? interrupt_entry+0xb5/0xc0 [ 441.925402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.930487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.936348] __run_timers+0x7e5/0xc70 [ 441.940567] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.944613] ? timer_fixup_init+0x70/0x70 [ 441.948824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.953820] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.957599] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.962249] ? zap_class+0x640/0x640 [ 441.966394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.971205] ? print_usage_bug+0xc0/0xc0 [ 441.976207] apic_timer_interrupt+0xf/0x20 [ 441.981201] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 441.984896] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 441.989726] ? find_held_lock+0x36/0x1c0 [ 441.993766] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 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 d2 4b [ 441.997980] ? zap_class+0x640/0x640 [ 442.003143] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 442.008495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.012541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039a5f161 [ 442.031431] ? check_preemption_disabled+0x48/0x280 [ 442.035111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 442.035122] RBP: ffff8801daf074c0 R08: ffff8801cd2f8b08 R09: 0000000000000002 [ 442.042823] ? __lock_is_held+0xb5/0x140 [ 442.048326] R10: 0000000000000000 R11: ffff8801cd2f8240 R12: ffff8801d9bee600 [ 442.055583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.060575] R13: ffff8801d9bee600 R14: 0000000000000000 R15: 0000000000000286 [ 442.067829] ? check_preemption_disabled+0x48/0x280 [ 442.075088] ? apic_timer_interrupt+0xa/0x20 [ 442.079130] run_timer_softirq+0x52/0xb0 [ 442.086399] ? ipv6_get_ifaddr+0x42e/0x620 [ 442.091907] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.099162] __alloc_skb+0x119/0x770 [ 442.104238] __do_softirq+0x308/0xb7e [ 442.108628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.112670] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.116887] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.121883] ? lock_downgrade+0x900/0x900 [ 442.125572] ? lock_downgrade+0x900/0x900 [ 442.129350] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.134615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.139090] ? pvclock_read_flags+0x160/0x160 [ 442.143476] ? refcount_sub_and_test_checked+0x203/0x310 [ 442.147603] ? lapic_next_event+0x5a/0x90 [ 442.151728] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.156809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.162323] ? addrconf_rs_timer+0x690/0x690 [ 442.166800] ? kvm_clock_read+0x18/0x30 [ 442.172237] ndisc_alloc_skb+0x144/0x340 [ 442.176372] ? kvm_sched_clock_read+0x9/0x20 [ 442.181800] ndisc_send_rs+0x331/0x6e0 [ 442.187318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.191704] addrconf_rs_timer+0x314/0x690 [ 442.195660] ? check_preemption_disabled+0x48/0x280 [ 442.199701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.204102] irq_exit+0x17f/0x1c0 [ 442.207972] call_timer_fn+0x272/0x920 [ 442.213483] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.217695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.222689] ? smp_reschedule_interrupt+0x109/0x650 [ 442.226901] ? process_timeout+0x40/0x40 [ 442.230341] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.234214] ? __run_timers+0x7da/0xc70 [ 442.239032] ? interrupt_entry+0xb5/0xc0 [ 442.243245] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.248241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.252282] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.258148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.258165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.262113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.266154] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.270629] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.275615] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.275631] ? task_prio+0x50/0x50 [ 442.280107] ? trace_hardirqs_on+0xbd/0x310 [ 442.285102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.289929] ? kasan_check_read+0x11/0x20 [ 442.294140] ? check_preemption_disabled+0x48/0x280 [ 442.299130] ? __run_timers+0x7da/0xc70 [ 442.303695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.308689] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.312214] apic_timer_interrupt+0xf/0x20 [ 442.316516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.322037] [ 442.326173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.331167] RIP: 0010:dump_stack+0x358/0x39d [ 442.335117] __run_timers+0x7e5/0xc70 [ 442.339940] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 442.345031] ? timer_fixup_init+0x70/0x70 [ 442.349239] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 442.353470] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.355676] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 442.355687] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 442.359909] ? zap_class+0x640/0x640 [ 442.364287] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 442.364298] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 442.368173] ? enqueue_hrtimer+0x1a5/0x560 [ 442.387047] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 442.387071] ? dump_stack+0x34f/0x39d [ 442.391194] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.398889] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.403880] ? find_held_lock+0x36/0x1c0 [ 442.411130] ? mark_held_locks+0x130/0x130 [ 442.418381] ? zap_class+0x640/0x640 [ 442.422074] ? mark_held_locks+0x130/0x130 [ 442.429329] ? pvclock_read_flags+0x160/0x160 [ 442.436581] dump_header+0x27b/0xf72 [ 442.440795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.448061] ? pagefault_out_of_memory+0x197/0x197 [ 442.451847] ? check_preemption_disabled+0x48/0x280 [ 442.457016] ? __lock_acquire+0x62f/0x4c20 [ 442.462447] ? __lock_is_held+0xb5/0x140 [ 442.466484] ? percpu_ref_get_many+0x240/0x240 [ 442.470699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.474391] ? print_usage_bug+0xc0/0xc0 [ 442.478608] ? check_preemption_disabled+0x48/0x280 [ 442.483083] ? zap_class+0x640/0x640 [ 442.486779] run_timer_softirq+0x52/0xb0 [ 442.492294] ? print_usage_bug+0xc0/0xc0 [ 442.497207] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.502202] ? print_usage_bug+0xc0/0xc0 [ 442.506417] __do_softirq+0x308/0xb7e [ 442.510461] ? zap_class+0x640/0x640 [ 442.515026] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.520542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.524583] ? lock_downgrade+0x900/0x900 [ 442.529576] ? find_held_lock+0x36/0x1c0 [ 442.533268] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.537313] ? mark_held_locks+0xc7/0x130 [ 442.541359] ? pvclock_read_flags+0x160/0x160 [ 442.546353] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.550390] ? lapic_next_event+0x5a/0x90 [ 442.554169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.557860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.562351] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 442.567868] ? kvm_clock_read+0x18/0x30 [ 442.571993] ? trace_hardirqs_on+0xbd/0x310 [ 442.576032] ? kvm_sched_clock_read+0x9/0x20 [ 442.581121] ? kasan_check_read+0x11/0x20 [ 442.585256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.589730] ? ___ratelimit+0x3b4/0x672 [ 442.594821] ? check_preemption_disabled+0x48/0x280 [ 442.598948] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.604040] irq_exit+0x17f/0x1c0 [ 442.609552] ? trace_hardirqs_on+0x310/0x310 [ 442.614115] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.618067] ? lock_downgrade+0x900/0x900 [ 442.622365] ? smp_reschedule_interrupt+0x109/0x650 [ 442.626768] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.630890] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.636405] ? ___ratelimit+0x3b9/0x672 [ 442.640362] ? interrupt_entry+0xb5/0xc0 [ 442.645354] ? idr_get_free+0xf70/0xf70 [ 442.650438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.653870] ? find_held_lock+0x36/0x1c0 [ 442.658257] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.663095] oom_kill_process.cold.27+0x10/0x903 [ 442.667222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.672216] ? zap_class+0x640/0x640 [ 442.677299] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.683161] ? check_preemption_disabled+0x48/0x280 [ 442.687113] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.691153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.695114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.700103] ? kasan_check_read+0x11/0x20 [ 442.704145] apic_timer_interrupt+0xf/0x20 [ 442.709140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.713868] [ 442.718698] ? oom_evaluate_task+0x540/0x540 [ 442.722936] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 442.727938] ? find_held_lock+0x36/0x1c0 [ 442.732927] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 442.737926] ? out_of_memory+0x974/0x1430 [ 442.742824] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 442.747649] ? lock_downgrade+0x900/0x900 [ 442.751771] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 442.755989] ? check_preemption_disabled+0x48/0x280 [ 442.756007] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.761260] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 442.763472] ? kasan_check_read+0x11/0x20 [ 442.763487] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.767867] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 442.767877] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 442.772795] ? rcu_softirq_qs+0x20/0x20 [ 442.776832] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 442.795724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.799879] skb_clone+0x1bb/0x500 [ 442.807711] ? oom_evaluate_task+0x302/0x540 [ 442.811839] ? finish_task_switch+0x2f4/0x910 [ 442.819102] out_of_memory+0xa84/0x1430 [ 442.824094] ? skb_split+0x11e0/0x11e0 [ 442.829006] ? oom_killer_disable+0x3a0/0x3a0 [ 442.836254] ? preempt_notifier_register+0x200/0x200 [ 442.840380] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 442.845637] ? __switch_to_asm+0x34/0x70 [ 442.853235] ? __ww_mutex_check_waiters+0x160/0x160 [ 442.860485] ? __switch_to_asm+0x34/0x70 [ 442.864448] __alloc_pages_slowpath+0x2354/0x2e10 [ 442.871712] ? __switch_to_asm+0x40/0x70 [ 442.877249] ? warn_alloc+0x120/0x120 [ 442.880751] ? __switch_to_asm+0x34/0x70 [ 442.885135] ? mark_held_locks+0x130/0x130 [ 442.889610] ? __switch_to_asm+0x40/0x70 [ 442.893567] ? find_get_entry+0xaae/0x1120 [ 442.897430] ? __switch_to_asm+0x34/0x70 [ 442.901908] ? filemap_map_pages+0x1a20/0x1a20 [ 442.906990] ? __switch_to_asm+0x40/0x70 [ 442.911900] ? zap_class+0x640/0x640 [ 442.915950] ? __switch_to_asm+0x34/0x70 [ 442.920950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.924988] ? __switch_to_asm+0x34/0x70 [ 442.929810] ? check_preemption_disabled+0x48/0x280 [ 442.933859] ? __switch_to_asm+0x40/0x70 [ 442.937638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.941677] ? __switch_to_asm+0x34/0x70 [ 442.945900] ? should_fail+0x22d/0xd01 [ 442.949944] bpf_clone_redirect+0xb9/0x490 [ 442.954174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.958213] ? __schedule+0x8d7/0x21d0 [ 442.962779] ? zap_class+0x640/0x640 [ 442.966821] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 442.970531] ? __lock_is_held+0xb5/0x140 [ 442.974575] ? __sched_text_start+0x8/0x8 [ 442.980093] ? mark_held_locks+0x130/0x130 [ 442.984137] ? retint_kernel+0x2d/0x2d [ 442.989131] ? lock_release+0xa00/0xa00 [ 442.993169] ? trace_hardirqs_on_caller+0xc0/0x310 [ 442.998685] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.002732] ? find_held_lock+0x36/0x1c0 [ 443.006595] ? xa_load+0x2ba/0x460 [ 443.010815] ? lock_acquire+0x1ed/0x520 [ 443.015892] ? lock_downgrade+0x900/0x900 [ 443.019768] ? bpf_test_run+0x3cb/0x780 [ 443.023467] ? __might_sleep+0x95/0x190 [ 443.028462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.032501] __alloc_pages_nodemask+0xa80/0xde0 [ 443.036630] ? check_preemption_disabled+0x48/0x280 [ 443.040852] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 443.044718] ? kasan_check_read+0x11/0x20 [ 443.048679] ? __page_cache_alloc+0x191/0x5c0 [ 443.053588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.059020] ? xa_load+0x2e1/0x460 [ 443.063061] ? rcu_softirq_qs+0x20/0x20 [ 443.066580] ? xa_clear_mark+0x40/0x40 [ 443.070534] ? preempt_schedule+0x4d/0x60 [ 443.074672] ? zap_class+0x640/0x640 [ 443.078939] ? ___preempt_schedule+0x16/0x18 [ 443.082898] ? zap_class+0x640/0x640 [ 443.088418] ? bpf_test_run+0x25d/0x780 [ 443.093062] ? zap_class+0x640/0x640 [ 443.098066] ? netlink_diag_dump+0x2a0/0x2a0 [ 443.103048] ? __do_page_cache_readahead+0x663/0x810 [ 443.103067] ? find_held_lock+0x36/0x1c0 [ 443.107193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.111671] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 443.116927] ? bpf_test_init.isra.10+0x70/0x100 [ 443.120448] alloc_pages_current+0x173/0x350 [ 443.124404] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 443.128273] __page_cache_alloc+0x38c/0x5c0 [ 443.132420] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 443.136117] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.140511] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 443.144205] ? kasan_check_read+0x11/0x20 [ 443.144219] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.148177] ? fput+0x130/0x1a0 [ 443.151871] ? generic_perform_write+0x6a0/0x6a0 [ 443.156258] ? __bpf_prog_get+0x9b/0x290 [ 443.161361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.165399] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 443.170918] ? check_preemption_disabled+0x48/0x280 [ 443.176430] ? bpf_prog_test_run+0x130/0x1a0 [ 443.181085] filemap_fault+0x1595/0x25f0 [ 443.185469] ? __x64_sys_bpf+0x3d8/0x520 [ 443.190213] ? __lock_page_or_retry+0xa00/0xa00 [ 443.194506] ? bpf_prog_get+0x20/0x20 [ 443.199330] ? mark_held_locks+0x130/0x130 [ 443.204260] ? do_syscall_64+0x1b9/0x820 [ 443.209778] ? filemap_map_pages+0xd6b/0x1a20 [ 443.213903] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 443.219162] ? lock_downgrade+0x900/0x900 [ 443.222419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.227159] ? check_preemption_disabled+0x48/0x280 [ 443.231200] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.236713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.241534] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 443.246531] ? kasan_check_read+0x11/0x20 [ 443.250921] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 443.254958] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.259006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.263647] ? rcu_softirq_qs+0x20/0x20 [ 443.267446] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 443.271667] ? filemap_map_pages+0xd92/0x1a20 [ 443.275716] rcu: rcu_preempt kthread starved for 10514 jiffies! g29581 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 443.280184] ? find_get_entries_tag+0x1400/0x1400 [ 443.285510] rcu: RCU grace-period kthread stack dump: [ 443.285519] rcu_preempt R running task 22696 10 2 0x80000000 [ 443.289655] ? debug_object_destroy+0x2b0/0x2b0 [ 443.294556] Call Trace: [ 443.299561] ? lock_pi_update_atomic+0x150/0x150 [ 443.304556] __schedule+0x8cf/0x21d0 [ 443.309459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.309485] ? lock_acquire+0x1ed/0x520 [ 443.314478] ? __sched_text_start+0x8/0x8 [ 443.318600] ? ext4_filemap_fault+0x7a/0xad [ 443.325258] ? add_timer_on+0xa20/0xa20 [ 443.330503] ? lock_release+0xa00/0xa00 [ 443.335326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.339273] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.339290] ? print_usage_bug+0xc0/0xc0 [ 443.344633] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.349106] ? print_usage_bug+0xc0/0xc0 [ 443.359573] ? trace_hardirqs_on+0xbd/0x310 [ 443.364405] ? down_read+0x8d/0x120 [ 443.369570] ? kasan_check_read+0x11/0x20 [ 443.376738] ? ext4_filemap_fault+0x7a/0xad [ 443.381389] ? prepare_to_swait_event+0x25a/0x800 [ 443.383955] ? __down_interruptible+0x700/0x700 [ 443.388692] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.392391] ext4_filemap_fault+0x82/0xad [ 443.397905] schedule+0xfe/0x460 [ 443.401853] __do_fault+0x100/0x6b0 [ 443.405980] ? __schedule+0x21d0/0x21d0 [ 443.410285] ? pmd_devmap_trans_unstable+0x220/0x220 [ 443.414239] ? prepare_to_swait_event+0x25a/0x800 [ 443.418192] ? mark_held_locks+0x130/0x130 [ 443.423289] ? __init_swait_queue_head+0x150/0x150 [ 443.428722] ? mark_held_locks+0x130/0x130 [ 443.432766] ? __lockdep_init_map+0x105/0x590 [ 443.437848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.441895] ? lockdep_init_map+0x9/0x10 [ 443.446194] ? check_preemption_disabled+0x48/0x280 [ 443.449801] schedule_timeout+0x140/0x260 [ 443.453933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.458246] ? usleep_range+0x1a0/0x1a0 [ 443.463066] __handle_mm_fault+0x3ea0/0x5be0 [ 443.467720] ? __next_timer_interrupt+0x1a0/0x1a0 [ 443.472805] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 443.477124] rcu_gp_fqs_loop+0x762/0xa80 [ 443.480459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.484072] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 443.488023] ? __fpu__restore_sig+0x62f/0x1680 [ 443.493106] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.497943] ? zap_class+0x640/0x640 [ 443.502145] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.507054] ? zap_class+0x640/0x640 [ 443.511269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.515746] ? __x64_sys_futex+0x53e/0x6a0 [ 443.521268] ? rcu_gp_init+0x90b/0x1260 [ 443.525307] ? find_held_lock+0x36/0x1c0 [ 443.530313] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 443.534442] ? handle_mm_fault+0x42a/0xc70 [ 443.539951] ? rcu_accelerate_cbs+0x562/0xae0 [ 443.543906] ? lock_downgrade+0x900/0x900 [ 443.548294] ? zap_class+0x640/0x640 [ 443.553109] ? check_preemption_disabled+0x48/0x280 [ 443.553126] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.557949] ? zap_class+0x640/0x640 [ 443.561990] ? kasan_check_read+0x11/0x20 [ 443.567509] ? __lock_is_held+0xb5/0x140 [ 443.572237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.576803] ? __lock_is_held+0xb5/0x140 [ 443.581883] ? rcu_softirq_qs+0x20/0x20 [ 443.585578] ? zap_class+0x640/0x640 [ 443.591010] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.594721] ? rcu_accelerate_cbs+0x562/0xae0 [ 443.600243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.604463] ? find_held_lock+0x36/0x1c0 [ 443.608414] ? check_preemption_disabled+0x48/0x280 [ 443.612461] ? rcu_gp_kthread+0x8cf/0xc70 [ 443.617195] handle_mm_fault+0x54f/0xc70 [ 443.621407] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.625895] ? __handle_mm_fault+0x5be0/0x5be0 [ 443.630013] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.633711] ? find_vma+0x34/0x190 [ 443.638708] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.638724] ? trace_hardirqs_on+0xbd/0x310 [ 443.643636] __do_page_fault+0x5e8/0xe60 [ 443.647327] ? kasan_check_read+0x11/0x20 [ 443.651455] ? trace_hardirqs_off+0xb8/0x310 [ 443.655510] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.660768] ? exit_to_usermode_loop+0x1f4/0x380 [ 443.664805] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.668767] do_page_fault+0xf2/0x7e0 [ 443.672462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.677541] ? vmalloc_sync_all+0x30/0x30 [ 443.682022] rcu_gp_kthread+0x341/0xc70 [ 443.687617] ? error_entry+0x70/0xd0 [ 443.691664] ? rcu_gp_init+0x1260/0x1260 [ 443.696656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.700783] ? mark_held_locks+0x130/0x130 [ 443.704845] ? trace_hardirqs_on_caller+0xc0/0x310 [ 443.709320] ? __schedule+0x168a/0x21d0 [ 443.713888] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.718364] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.721877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.721894] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.726466] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.730762] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.730781] ? prepare_exit_to_usermode+0x291/0x3b0 [ 443.734821] ? trace_hardirqs_on+0xbd/0x310 [ 443.738944] ? page_fault+0x8/0x30 [ 443.743331] ? kasan_check_read+0x11/0x20 [ 443.748419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.753150] ? __schedule+0x168a/0x21d0 [ 443.758579] ? page_fault+0x8/0x30 [ 443.762365] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.767880] page_fault+0x1e/0x30 [ 443.772010] ? lock_pin_lock+0x350/0x350 [ 443.776058] RIP: 0033:0x45ddf3 [ 443.779763] ? _raw_spin_unlock_irq+0x60/0x80 [ 443.783801] Code: Bad RIP value. [ 443.788786] ? __schedule+0x168a/0x21d0 [ 443.792988] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 443.797913] ? __switch_to_asm+0x40/0x70 [ 443.801858] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 443.801872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 443.806784] ? __switch_to_asm+0x40/0x70 [ 443.811260] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 443.811271] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 443.816099] ? show_schedstat+0x721/0xf30 [ 443.821085] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 443.821115] warn_alloc_show_mem: 1 callbacks suppressed [ 443.821118] Mem-Info: [ 443.825671] ? __sched_text_start+0x8/0x8 [ 443.831129] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 443.831129] active_file:14 inactive_file:13 isolated_file:0 [ 443.831129] unevictable:0 dirty:0 writeback:0 unstable:0 [ 443.831129] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 443.831129] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 443.831129] free:13747 free_pcp:512 free_cma:0 [ 443.836120] ? find_held_lock+0x36/0x1c0 [ 443.840432] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 443.843946] ? __kthread_parkme+0xce/0x1a0 [ 443.848060] 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 [ 443.852895] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.856832] lowmem_reserve[]: 0 2818 6321 6321 [ 443.860369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.865441] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 443.868898] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.872923] lowmem_reserve[]: 0 0 3503 3503 [ 443.876110] ? trace_hardirqs_on+0xbd/0x310 [ 443.880569] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 443.883932] ? kasan_check_read+0x11/0x20 [ 443.888324] lowmem_reserve[]: 0 0 0 0 [ 443.893703] ? __kthread_parkme+0xce/0x1a0 [ 443.897731] 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 [ 443.904997] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.912239] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 443.916303] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.923532] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 443.930816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.934940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.942208] ? __kthread_parkme+0xfb/0x1a0 [ 443.947540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.947548] 165 total pagecache pages [ 443.949949] ? rcu_gp_init+0x1260/0x1260 [ 443.954087] 0 pages in swap cache [ 443.986956] kthread+0x35a/0x440 [ 443.990998] Swap cache stats: add 0, delete 0, find 0/0 [ 444.018482] ? kthread_stop+0x900/0x900 [ 444.022692] Free swap = 0kB [ 444.048789] ret_from_fork+0x3a/0x50 [ 444.053947] Total swap = 0kB [ 444.053955] 1965979 pages RAM [ 444.058640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.063599] 0 pages HighMem/MovableOnly [ 444.063604] 342855 pages reserved [ 444.063609] 0 pages cma reserved [ 444.063647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.091069] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.095572] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.099823] syz-executor4 cpuset=syz4 mems_allowed=0 [ 444.104128] syz-fuzzer cpuset=/ mems_allowed=0 [ 444.133092] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 444.323679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.333023] Call Trace: [ 444.335617] [ 444.337779] dump_stack+0x244/0x39d [ 444.341409] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.346610] warn_alloc.cold.116+0xb7/0x1bd [ 444.350937] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.355783] ? lock_downgrade+0x900/0x900 [ 444.359933] ? trace_hardirqs_off+0xb8/0x310 [ 444.364345] ? trace_hardirqs_off+0xb8/0x310 [ 444.368766] __alloc_pages_slowpath+0x26e8/0x2e10 [ 444.373637] ? warn_alloc+0x120/0x120 [ 444.377442] ? print_usage_bug+0xc0/0xc0 [ 444.381503] ? warn_alloc+0x120/0x120 [ 444.385302] ? warn_alloc+0x120/0x120 [ 444.389104] ? print_usage_bug+0xc0/0xc0 [ 444.393166] ? kvm_clock_read+0x18/0x30 [ 444.397136] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 444.402150] ? print_usage_bug+0xc0/0xc0 [ 444.406211] ? __lock_acquire+0x62f/0x4c20 [ 444.410445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.415976] ? should_fail+0x22d/0xd01 [ 444.419857] ? __lock_acquire+0x62f/0x4c20 [ 444.424090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.429188] ? __lock_acquire+0x62f/0x4c20 [ 444.433427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.438523] ? __lock_acquire+0x62f/0x4c20 [ 444.442750] ? should_fail+0x22d/0xd01 [ 444.446654] ? mark_held_locks+0x130/0x130 [ 444.450892] ? mark_held_locks+0x130/0x130 [ 444.455125] ? try_to_wake_up+0x11c/0x1490 [ 444.459377] ? lock_downgrade+0x900/0x900 [ 444.463525] ? zap_class+0x640/0x640 [ 444.467234] ? print_usage_bug+0xc0/0xc0 [ 444.471290] ? trace_hardirqs_off+0xb8/0x310 [ 444.475692] ? kasan_check_read+0x11/0x20 [ 444.479837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.485373] ? check_preemption_disabled+0x48/0x280 [ 444.490393] ? __lock_is_held+0xb5/0x140 [ 444.494477] __alloc_pages_nodemask+0xa80/0xde0 [ 444.499226] ? zap_class+0x640/0x640 [ 444.502939] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 444.507971] ? find_held_lock+0x36/0x1c0 [ 444.512037] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.516708] ? lock_downgrade+0x900/0x900 [ 444.520859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.526399] cache_grow_begin+0xa5/0x8c0 [ 444.530454] ? do_raw_spin_unlock+0xa7/0x330 [ 444.534863] fallback_alloc+0x204/0x2e0 [ 444.538838] ____cache_alloc_node+0x1c7/0x1e0 [ 444.543336] kmem_cache_alloc_node+0xe3/0x730 [ 444.547835] ? ipv6_get_ifaddr+0x42e/0x620 [ 444.552075] __alloc_skb+0x119/0x770 [ 444.555787] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.561063] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.565465] ? lock_downgrade+0x900/0x900 [ 444.569624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.575185] ? refcount_sub_and_test_checked+0x203/0x310 [ 444.580662] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 444.586124] ? addrconf_rs_timer+0x690/0x690 [ 444.590569] ndisc_alloc_skb+0x144/0x340 [ 444.594673] ndisc_send_rs+0x331/0x6e0 [ 444.598578] addrconf_rs_timer+0x314/0x690 [ 444.602822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.607060] call_timer_fn+0x272/0x920 [ 444.610940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.615184] ? process_timeout+0x40/0x40 [ 444.619262] ? __run_timers+0x7da/0xc70 [ 444.623249] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.627757] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.632262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.636508] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.641088] ? trace_hardirqs_on+0xbd/0x310 [ 444.645405] ? kasan_check_read+0x11/0x20 [ 444.649569] ? __run_timers+0x7da/0xc70 [ 444.653581] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.658708] ? __queue_work+0x1440/0x1440 [ 444.662896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.667126] __run_timers+0x7e5/0xc70 [ 444.670934] ? timer_fixup_init+0x70/0x70 [ 444.675083] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.680094] ? zap_class+0x640/0x640 [ 444.683807] ? enqueue_hrtimer+0x1a5/0x560 [ 444.688041] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.693230] ? find_held_lock+0x36/0x1c0 [ 444.697290] ? zap_class+0x640/0x640 [ 444.701006] ? pvclock_read_flags+0x160/0x160 [ 444.705500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.711032] ? check_preemption_disabled+0x48/0x280 [ 444.716056] ? __lock_is_held+0xb5/0x140 [ 444.720538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.726074] ? check_preemption_disabled+0x48/0x280 [ 444.731090] run_timer_softirq+0x52/0xb0 [ 444.735150] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.740165] __do_softirq+0x308/0xb7e [ 444.743965] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 444.748453] ? lock_downgrade+0x900/0x900 [ 444.752608] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.757717] ? pvclock_read_flags+0x160/0x160 [ 444.762211] ? lapic_next_event+0x5a/0x90 [ 444.766353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.771894] ? kvm_clock_read+0x18/0x30 [ 444.775862] ? kvm_sched_clock_read+0x9/0x20 [ 444.780268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.785803] ? check_preemption_disabled+0x48/0x280 [ 444.790825] irq_exit+0x17f/0x1c0 [ 444.794278] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.799113] ? smp_reschedule_interrupt+0x109/0x650 [ 444.804139] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.810020] ? interrupt_entry+0xb5/0xc0 [ 444.814082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.819092] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.824106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.828949] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.833963] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.839158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.844003] apic_timer_interrupt+0xf/0x20 [ 444.848225] [ 444.850460] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 444.855387] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 444.874777] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 444.882479] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 444.889742] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 444.897003] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 444.904262] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 444.911526] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 444.918825] skb_clone+0x1bb/0x500 [ 444.922360] ? finish_task_switch+0x2f4/0x910 [ 444.926853] ? skb_split+0x11e0/0x11e0 [ 444.930743] ? preempt_notifier_register+0x200/0x200 [ 444.935842] ? __switch_to_asm+0x34/0x70 [ 444.939902] ? __switch_to_asm+0x34/0x70 [ 444.943957] ? __switch_to_asm+0x40/0x70 [ 444.948010] ? __switch_to_asm+0x34/0x70 [ 444.952067] ? __switch_to_asm+0x40/0x70 [ 444.956127] ? __switch_to_asm+0x34/0x70 [ 444.960181] ? __switch_to_asm+0x40/0x70 [ 444.964238] ? __switch_to_asm+0x34/0x70 [ 444.968298] ? __switch_to_asm+0x34/0x70 [ 444.972353] ? __switch_to_asm+0x40/0x70 [ 444.976410] ? __switch_to_asm+0x34/0x70 [ 444.980472] bpf_clone_redirect+0xb9/0x490 [ 444.984701] ? __schedule+0x8d7/0x21d0 [ 444.988597] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 444.993610] ? __sched_text_start+0x8/0x8 [ 444.997756] ? retint_kernel+0x2d/0x2d [ 445.001646] ? trace_hardirqs_on_caller+0xc0/0x310 [ 445.006585] ? find_held_lock+0x36/0x1c0 [ 445.010653] ? lock_acquire+0x1ed/0x520 [ 445.014620] ? bpf_test_run+0x3cb/0x780 [ 445.018598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.024132] ? check_preemption_disabled+0x48/0x280 [ 445.029147] ? kasan_check_read+0x11/0x20 [ 445.033287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.038559] ? rcu_softirq_qs+0x20/0x20 [ 445.042539] ? preempt_schedule+0x4d/0x60 [ 445.046688] ? ___preempt_schedule+0x16/0x18 [ 445.051103] ? bpf_test_run+0x25d/0x780 [ 445.055082] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.059492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.065024] ? bpf_test_init.isra.10+0x70/0x100 [ 445.069693] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 445.074452] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.079286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.084818] ? fput+0x130/0x1a0 [ 445.088097] ? __bpf_prog_get+0x9b/0x290 [ 445.092158] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.096994] ? bpf_prog_test_run+0x130/0x1a0 [ 445.101400] ? __x64_sys_bpf+0x3d8/0x520 [ 445.105455] ? bpf_prog_get+0x20/0x20 [ 445.109266] ? do_syscall_64+0x1b9/0x820 [ 445.113323] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.118685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.123617] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.128629] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.133640] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 445.140309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.145159] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.150530] Mem-Info: [ 445.150541] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 445.150551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.152966] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 445.152966] active_file:14 inactive_file:13 isolated_file:0 [ 445.152966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 445.152966] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 445.152966] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 445.152966] free:13747 free_pcp:512 free_cma:0 [ 445.159949] Call Trace: [ 445.169321] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 445.202163] [ 445.204728] 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 [ 445.232216] dump_stack+0x244/0x39d [ 445.234336] lowmem_reserve[]: 0 2818 6321 6321 [ 445.260449] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.264048] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 445.268631] warn_alloc.cold.116+0xb7/0x1bd [ 445.273786] lowmem_reserve[]: 0 0 3503 3503 [ 445.301285] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.305579] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:948kB free_cma:0kB [ 445.309893] ? lock_downgrade+0x900/0x900 [ 445.314698] lowmem_reserve[]: 0 0 0 0 [ 445.343760] ? trace_hardirqs_off+0xb8/0x310 [ 445.347886] 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 [ 445.351680] ? trace_hardirqs_off+0xb8/0x310 [ 445.356059] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 445.369589] __alloc_pages_slowpath+0x26e8/0x2e10 [ 445.373971] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 445.389251] ? warn_alloc+0x120/0x120 [ 445.394049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 445.408421] ? print_usage_bug+0xc0/0xc0 [ 445.412195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 445.421024] ? warn_alloc+0x120/0x120 [ 445.425056] 165 total pagecache pages [ 445.433618] ? warn_alloc+0x120/0x120 [ 445.437395] 0 pages in swap cache [ 445.441177] ? print_usage_bug+0xc0/0xc0 [ 445.444950] Swap cache stats: add 0, delete 0, find 0/0 [ 445.448383] ? kvm_clock_read+0x18/0x30 [ 445.452412] Free swap = 0kB [ 445.457761] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.461705] Total swap = 0kB [ 445.464716] ? print_usage_bug+0xc0/0xc0 [ 445.469699] 1965979 pages RAM [ 445.472704] ? __lock_acquire+0x62f/0x4c20 [ 445.476738] 0 pages HighMem/MovableOnly [ 445.479831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.484027] 342855 pages reserved [ 445.484034] 0 pages cma reserved [ 445.487999] ? should_fail+0x22d/0xd01 [ 445.493591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 445.496963] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.496981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.500365] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.504187] ? __lock_acquire+0x62f/0x4c20 [ 445.510652] syz-executor4 cpuset=syz4 mems_allowed=0 [ 445.515915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.545932] ? __lock_acquire+0x62f/0x4c20 [ 445.550159] ? should_fail+0x22d/0xd01 [ 445.554039] ? rcu_irq_exit+0x1a2/0x390 [ 445.558016] ? mark_held_locks+0x130/0x130 [ 445.562251] ? mark_held_locks+0x130/0x130 [ 445.566483] ? mark_held_locks+0xc7/0x130 [ 445.570624] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 445.575731] ? zap_class+0x640/0x640 [ 445.579442] ? print_usage_bug+0xc0/0xc0 [ 445.583501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.589043] ? check_preemption_disabled+0x48/0x280 [ 445.594068] ? __lock_is_held+0xb5/0x140 [ 445.598128] __alloc_pages_nodemask+0xa80/0xde0 [ 445.602791] ? zap_class+0x640/0x640 [ 445.606503] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 445.611546] ? find_held_lock+0x36/0x1c0 [ 445.615611] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.620275] ? lock_downgrade+0x900/0x900 [ 445.624428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.629968] cache_grow_begin+0xa5/0x8c0 [ 445.634025] ? do_raw_spin_unlock+0xa7/0x330 [ 445.638443] fallback_alloc+0x204/0x2e0 [ 445.642415] ____cache_alloc_node+0x1c7/0x1e0 [ 445.646911] kmem_cache_alloc_node+0xe3/0x730 [ 445.651407] ? ipv6_get_ifaddr+0x42e/0x620 [ 445.655647] __alloc_skb+0x119/0x770 [ 445.659356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.664632] ? netdev_alloc_frag+0x1f0/0x1f0 [ 445.669035] ? lock_downgrade+0x900/0x900 [ 445.673187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.678721] ? refcount_sub_and_test_checked+0x203/0x310 [ 445.684174] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 445.689618] ? addrconf_rs_timer+0x690/0x690 [ 445.694029] ndisc_alloc_skb+0x144/0x340 [ 445.698087] ndisc_send_rs+0x331/0x6e0 [ 445.701975] addrconf_rs_timer+0x314/0x690 [ 445.706209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.710448] call_timer_fn+0x272/0x920 [ 445.714329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.718562] ? process_timeout+0x40/0x40 [ 445.722630] ? mark_held_locks+0xc7/0x130 [ 445.726777] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.731265] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.735755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.739985] ? lockdep_hardirqs_on+0x296/0x5b0 [ 445.744565] ? trace_hardirqs_on+0xbd/0x310 [ 445.748886] ? kasan_check_read+0x11/0x20 [ 445.753052] ? __run_timers+0x7da/0xc70 [ 445.757030] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.762140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.766377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.770616] __run_timers+0x7e5/0xc70 [ 445.774421] ? timer_fixup_init+0x70/0x70 [ 445.778571] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.783583] ? zap_class+0x640/0x640 [ 445.787296] ? print_usage_bug+0xc0/0xc0 [ 445.791353] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.796550] ? find_held_lock+0x36/0x1c0 [ 445.800610] ? zap_class+0x640/0x640 [ 445.804324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.809857] ? check_preemption_disabled+0x48/0x280 [ 445.814877] ? __lock_is_held+0xb5/0x140 [ 445.818940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.824472] ? check_preemption_disabled+0x48/0x280 [ 445.829492] run_timer_softirq+0x52/0xb0 [ 445.833563] ? rcu_read_lock_sched_held+0x14f/0x180 [ 445.838571] __do_softirq+0x308/0xb7e [ 445.842369] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 445.846862] ? lock_downgrade+0x900/0x900 [ 445.851010] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 445.856120] ? pvclock_read_flags+0x160/0x160 [ 445.860612] ? lapic_next_event+0x5a/0x90 [ 445.864773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.870310] ? kvm_clock_read+0x18/0x30 [ 445.874283] ? kvm_sched_clock_read+0x9/0x20 [ 445.878691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.884229] ? check_preemption_disabled+0x48/0x280 [ 445.889811] irq_exit+0x17f/0x1c0 [ 445.893268] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.898189] ? smp_reschedule_interrupt+0x109/0x650 [ 445.903200] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.909079] ? interrupt_entry+0xb5/0xc0 [ 445.913137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.918149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.923163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.928003] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.933017] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.938028] ? task_prio+0x50/0x50 [ 445.941568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.947101] ? check_preemption_disabled+0x48/0x280 [ 445.952115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.956977] apic_timer_interrupt+0xf/0x20 [ 445.961206] [ 445.963442] RIP: 0010:dump_stack+0x358/0x39d [ 445.967845] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 445.986740] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 445.994443] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 446.001710] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 446.008971] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 446.016232] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 446.023502] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 446.030784] ? dump_stack+0x34f/0x39d [ 446.034612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.039800] ? mark_held_locks+0x130/0x130 [ 446.044028] ? mark_held_locks+0x130/0x130 [ 446.048261] dump_header+0x27b/0xf72 [ 446.051982] ? pagefault_out_of_memory+0x197/0x197 [ 446.056915] ? __lock_acquire+0x62f/0x4c20 [ 446.061145] ? percpu_ref_get_many+0x240/0x240 [ 446.065726] ? print_usage_bug+0xc0/0xc0 [ 446.069799] ? zap_class+0x640/0x640 [ 446.073519] ? print_usage_bug+0xc0/0xc0 [ 446.077572] ? print_usage_bug+0xc0/0xc0 [ 446.081647] ? zap_class+0x640/0x640 [ 446.085444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.090990] ? find_held_lock+0x36/0x1c0 [ 446.095052] ? mark_held_locks+0xc7/0x130 [ 446.099199] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.104301] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.109398] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.113976] ? trace_hardirqs_on+0xbd/0x310 [ 446.118294] ? kasan_check_read+0x11/0x20 [ 446.122443] ? ___ratelimit+0x3b4/0x672 [ 446.126418] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.131518] ? trace_hardirqs_on+0x310/0x310 [ 446.135924] ? lock_downgrade+0x900/0x900 [ 446.140072] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.145169] ? ___ratelimit+0x3b9/0x672 [ 446.149137] ? idr_get_free+0xf70/0xf70 [ 446.153105] ? find_held_lock+0x36/0x1c0 [ 446.157172] oom_kill_process.cold.27+0x10/0x903 [ 446.161936] ? zap_class+0x640/0x640 [ 446.165650] ? check_preemption_disabled+0x48/0x280 [ 446.170665] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.175607] ? kasan_check_read+0x11/0x20 [ 446.179775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.185056] ? oom_evaluate_task+0x540/0x540 [ 446.189474] ? find_held_lock+0x36/0x1c0 [ 446.193541] ? out_of_memory+0x974/0x1430 [ 446.197688] ? lock_downgrade+0x900/0x900 [ 446.201833] ? check_preemption_disabled+0x48/0x280 [ 446.206846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.211773] ? kasan_check_read+0x11/0x20 [ 446.215914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.221187] ? rcu_softirq_qs+0x20/0x20 [ 446.225163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.230691] ? oom_evaluate_task+0x302/0x540 [ 446.235099] out_of_memory+0xa84/0x1430 [ 446.239078] ? oom_killer_disable+0x3a0/0x3a0 [ 446.243567] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 446.248515] ? __ww_mutex_check_waiters+0x160/0x160 [ 446.253538] __alloc_pages_slowpath+0x2354/0x2e10 [ 446.258401] ? warn_alloc+0x120/0x120 [ 446.262195] ? mark_held_locks+0x130/0x130 [ 446.266428] ? find_get_entry+0xaae/0x1120 [ 446.270681] ? filemap_map_pages+0x1a20/0x1a20 [ 446.275262] ? zap_class+0x640/0x640 [ 446.278981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.284521] ? check_preemption_disabled+0x48/0x280 [ 446.289532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.295066] ? should_fail+0x22d/0xd01 [ 446.298954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.304053] ? zap_class+0x640/0x640 [ 446.307788] ? __lock_is_held+0xb5/0x140 [ 446.311854] ? mark_held_locks+0x130/0x130 [ 446.316089] ? lock_release+0xa00/0xa00 [ 446.320067] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.325514] ? xa_load+0x2ba/0x460 [ 446.329053] ? lock_downgrade+0x900/0x900 [ 446.333214] ? __might_sleep+0x95/0x190 [ 446.337200] __alloc_pages_nodemask+0xa80/0xde0 [ 446.341869] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 446.346881] ? __page_cache_alloc+0x191/0x5c0 [ 446.351368] ? xa_load+0x2e1/0x460 [ 446.354904] ? xa_clear_mark+0x40/0x40 [ 446.358790] ? zap_class+0x640/0x640 [ 446.362508] ? zap_class+0x640/0x640 [ 446.366219] ? zap_class+0x640/0x640 [ 446.369925] ? __do_page_cache_readahead+0x663/0x810 [ 446.375028] ? find_held_lock+0x36/0x1c0 [ 446.379090] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 446.384629] alloc_pages_current+0x173/0x350 [ 446.389038] __page_cache_alloc+0x38c/0x5c0 [ 446.393355] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.398281] ? kasan_check_read+0x11/0x20 [ 446.402422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.407701] ? generic_perform_write+0x6a0/0x6a0 [ 446.412458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.417996] ? check_preemption_disabled+0x48/0x280 [ 446.423016] filemap_fault+0x1595/0x25f0 [ 446.427082] ? __lock_page_or_retry+0xa00/0xa00 [ 446.431752] ? mark_held_locks+0x130/0x130 [ 446.435989] ? filemap_map_pages+0xd6b/0x1a20 [ 446.440485] ? lock_downgrade+0x900/0x900 [ 446.444631] ? check_preemption_disabled+0x48/0x280 [ 446.449648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.454574] ? kasan_check_read+0x11/0x20 [ 446.458714] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.463984] ? rcu_softirq_qs+0x20/0x20 [ 446.467965] ? filemap_map_pages+0xd92/0x1a20 [ 446.472476] ? find_get_entries_tag+0x1400/0x1400 [ 446.477318] ? debug_object_destroy+0x2b0/0x2b0 [ 446.481988] ? lock_pi_update_atomic+0x150/0x150 [ 446.486743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.492284] ? lock_acquire+0x1ed/0x520 [ 446.496251] ? ext4_filemap_fault+0x7a/0xad [ 446.500572] ? lock_release+0xa00/0xa00 [ 446.504715] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.510161] ? print_usage_bug+0xc0/0xc0 [ 446.514220] ? print_usage_bug+0xc0/0xc0 [ 446.518286] ? down_read+0x8d/0x120 [ 446.521902] ? ext4_filemap_fault+0x7a/0xad [ 446.526224] ? __down_interruptible+0x700/0x700 [ 446.530896] ext4_filemap_fault+0x82/0xad [ 446.535042] __do_fault+0x100/0x6b0 [ 446.538668] ? pmd_devmap_trans_unstable+0x220/0x220 [ 446.543769] ? mark_held_locks+0x130/0x130 [ 446.547998] ? mark_held_locks+0x130/0x130 [ 446.552239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.557774] ? check_preemption_disabled+0x48/0x280 [ 446.562793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.568328] __handle_mm_fault+0x3ea0/0x5be0 [ 446.572743] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 446.577584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.583122] ? __fpu__restore_sig+0x62f/0x1680 [ 446.587719] ? zap_class+0x640/0x640 [ 446.591439] ? zap_class+0x640/0x640 [ 446.595158] ? __x64_sys_futex+0x53e/0x6a0 [ 446.599389] ? find_held_lock+0x36/0x1c0 [ 446.603462] ? handle_mm_fault+0x42a/0xc70 [ 446.607693] ? lock_downgrade+0x900/0x900 [ 446.611837] ? check_preemption_disabled+0x48/0x280 [ 446.616864] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.621791] ? kasan_check_read+0x11/0x20 [ 446.625935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.631210] ? rcu_softirq_qs+0x20/0x20 [ 446.635180] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.640280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.645915] ? check_preemption_disabled+0x48/0x280 [ 446.650951] handle_mm_fault+0x54f/0xc70 [ 446.655016] ? __handle_mm_fault+0x5be0/0x5be0 [ 446.659603] ? find_vma+0x34/0x190 [ 446.663229] __do_page_fault+0x5e8/0xe60 [ 446.667287] ? trace_hardirqs_off+0xb8/0x310 [ 446.671689] ? exit_to_usermode_loop+0x1f4/0x380 [ 446.676698] do_page_fault+0xf2/0x7e0 [ 446.680496] ? vmalloc_sync_all+0x30/0x30 [ 446.684642] ? error_entry+0x70/0xd0 [ 446.688355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.693365] ? trace_hardirqs_on_caller+0xc0/0x310 [ 446.698291] ? syscall_return_slowpath+0x5e0/0x5e0 [ 446.703215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.708059] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.713078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.718530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 446.724022] ? page_fault+0x8/0x30 [ 446.727567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.732407] ? page_fault+0x8/0x30 [ 446.735956] page_fault+0x1e/0x30 [ 446.739400] RIP: 0033:0x45ddf3 [ 446.742603] Code: Bad RIP value. [ 446.745963] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 446.751326] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 446.758586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 446.765848] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 446.773111] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 446.780374] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 446.787657] Mem-Info: [ 446.787667] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 446.787677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.790088] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 446.790088] active_file:14 inactive_file:13 isolated_file:0 [ 446.790088] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.790088] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 446.790088] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 446.790088] free:13747 free_pcp:512 free_cma:0 [ 446.797430] Call Trace: [ 446.806805] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.839989] [ 446.842550] 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 [ 446.870039] dump_stack+0x244/0x39d [ 446.872166] lowmem_reserve[]: 0 2818 6321 6321 [ 446.898264] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.901857] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 446.906439] warn_alloc.cold.116+0xb7/0x1bd [ 446.911596] lowmem_reserve[]: 0 0 3503 3503 [ 446.938907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.943200] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 446.947515] ? lock_downgrade+0x900/0x900 [ 446.952326] lowmem_reserve[]: 0 0 0 0 [ 446.981292] ? trace_hardirqs_off+0xb8/0x310 [ 446.985416] 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 [ 446.989211] ? trace_hardirqs_off+0xb8/0x310 [ 446.993585] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 447.007108] __alloc_pages_slowpath+0x26e8/0x2e10 [ 447.011503] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 447.026772] ? warn_alloc+0x120/0x120 [ 447.031572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 447.045945] ? print_usage_bug+0xc0/0xc0 [ 447.049728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 447.049736] 165 total pagecache pages [ 447.058561] ? warn_alloc+0x120/0x120 [ 447.062612] 0 pages in swap cache [ 447.071171] ? warn_alloc+0x120/0x120 [ 447.074947] Swap cache stats: add 0, delete 0, find 0/0 [ 447.078734] ? print_usage_bug+0xc0/0xc0 [ 447.082155] Free swap = 0kB [ 447.085943] ? print_usage_bug+0xc0/0xc0 [ 447.091277] Total swap = 0kB [ 447.095322] ? __lock_acquire+0x62f/0x4c20 [ 447.098308] 1965979 pages RAM [ 447.102364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.105347] 0 pages HighMem/MovableOnly [ 447.105354] 342855 pages reserved [ 447.109576] ? should_fail+0x22d/0xd01 [ 447.112654] 0 pages cma reserved [ 447.118181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.122177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 447.125572] ? __lock_acquire+0x62f/0x4c20 [ 447.125589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.125604] ? __lock_acquire+0x62f/0x4c20 [ 447.129516] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.132817] ? should_fail+0x22d/0xd01 [ 447.137891] syz-fuzzer cpuset=/ mems_allowed=0 [ 447.144372] ? find_held_lock+0x36/0x1c0 [ 447.180630] ? mark_held_locks+0x130/0x130 [ 447.184867] ? mark_held_locks+0x130/0x130 [ 447.189105] ? zap_class+0x640/0x640 [ 447.192813] ? zap_class+0x640/0x640 [ 447.196524] ? print_usage_bug+0xc0/0xc0 [ 447.200578] ? do_raw_spin_unlock+0xa7/0x330 [ 447.204988] ? zap_class+0x640/0x640 [ 447.208695] ? print_usage_bug+0xc0/0xc0 [ 447.212758] ? wq_watchdog_touch+0x9c/0xfe [ 447.216998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.222617] ? check_preemption_disabled+0x48/0x280 [ 447.227638] ? __lock_is_held+0xb5/0x140 [ 447.231705] __alloc_pages_nodemask+0xa80/0xde0 [ 447.236378] ? zap_class+0x640/0x640 [ 447.240106] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 447.245125] ? find_held_lock+0x36/0x1c0 [ 447.249202] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.253871] ? lock_downgrade+0x900/0x900 [ 447.258025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.263564] cache_grow_begin+0xa5/0x8c0 [ 447.267619] ? do_raw_spin_unlock+0xa7/0x330 [ 447.272032] fallback_alloc+0x204/0x2e0 [ 447.276016] ____cache_alloc_node+0x1c7/0x1e0 [ 447.280526] kmem_cache_alloc_node+0xe3/0x730 [ 447.285018] ? ipv6_get_ifaddr+0x42e/0x620 [ 447.289259] __alloc_skb+0x119/0x770 [ 447.292969] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.298245] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.302651] ? lock_downgrade+0x900/0x900 [ 447.306803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.312334] ? refcount_sub_and_test_checked+0x203/0x310 [ 447.317793] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 447.323245] ? addrconf_rs_timer+0x690/0x690 [ 447.327664] ndisc_alloc_skb+0x144/0x340 [ 447.331724] ndisc_send_rs+0x331/0x6e0 [ 447.335709] addrconf_rs_timer+0x314/0x690 [ 447.339944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.344182] call_timer_fn+0x272/0x920 [ 447.348062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.352289] ? process_timeout+0x40/0x40 [ 447.356353] ? __run_timers+0x7da/0xc70 [ 447.360335] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.364840] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.369330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.373570] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.378149] ? trace_hardirqs_on+0xbd/0x310 [ 447.382464] ? kasan_check_read+0x11/0x20 [ 447.386611] ? __run_timers+0x7da/0xc70 [ 447.390579] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.395688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.399922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.404156] __run_timers+0x7e5/0xc70 [ 447.407962] ? timer_fixup_init+0x70/0x70 [ 447.412105] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.417117] ? zap_class+0x640/0x640 [ 447.420829] ? enqueue_hrtimer+0x1a5/0x560 [ 447.425149] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.430338] ? find_held_lock+0x36/0x1c0 [ 447.434403] ? zap_class+0x640/0x640 [ 447.438119] ? pvclock_read_flags+0x160/0x160 [ 447.442613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.448146] ? check_preemption_disabled+0x48/0x280 [ 447.453165] ? __lock_is_held+0xb5/0x140 [ 447.457223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.462756] ? check_preemption_disabled+0x48/0x280 [ 447.467773] run_timer_softirq+0x52/0xb0 [ 447.471831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.476839] __do_softirq+0x308/0xb7e [ 447.480639] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 447.485133] ? lock_downgrade+0x900/0x900 [ 447.489279] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.494392] ? pvclock_read_flags+0x160/0x160 [ 447.498890] ? lapic_next_event+0x5a/0x90 [ 447.503040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.508577] ? kvm_clock_read+0x18/0x30 [ 447.512545] ? kvm_sched_clock_read+0x9/0x20 [ 447.516951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.522488] ? check_preemption_disabled+0x48/0x280 [ 447.527507] irq_exit+0x17f/0x1c0 [ 447.530959] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.535798] ? smp_reschedule_interrupt+0x109/0x650 [ 447.540822] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.546702] ? interrupt_entry+0xb5/0xc0 [ 447.550759] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.555771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.560875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.565715] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.570726] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.575747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.580593] apic_timer_interrupt+0xf/0x20 [ 447.584820] [ 447.587058] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.591982] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 447.610877] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 447.618586] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.625849] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 447.633121] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 447.640385] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.647647] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 447.654954] skb_clone+0x1bb/0x500 [ 447.658491] ? finish_task_switch+0x2f4/0x910 [ 447.662985] ? skb_split+0x11e0/0x11e0 [ 447.666874] ? preempt_notifier_register+0x200/0x200 [ 447.671981] ? __switch_to_asm+0x34/0x70 [ 447.676040] ? __switch_to_asm+0x34/0x70 [ 447.680102] ? __switch_to_asm+0x40/0x70 [ 447.684155] ? __switch_to_asm+0x34/0x70 [ 447.688212] ? __switch_to_asm+0x40/0x70 [ 447.692269] ? __switch_to_asm+0x34/0x70 [ 447.696332] ? __switch_to_asm+0x40/0x70 [ 447.700387] ? __switch_to_asm+0x34/0x70 [ 447.704446] ? __switch_to_asm+0x34/0x70 [ 447.708500] ? __switch_to_asm+0x40/0x70 [ 447.712555] ? __switch_to_asm+0x34/0x70 [ 447.716623] bpf_clone_redirect+0xb9/0x490 [ 447.720854] ? __schedule+0x8d7/0x21d0 [ 447.724742] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 447.729753] ? __sched_text_start+0x8/0x8 [ 447.733898] ? retint_kernel+0x2d/0x2d [ 447.737784] ? trace_hardirqs_on_caller+0xc0/0x310 [ 447.742717] ? find_held_lock+0x36/0x1c0 [ 447.746782] ? lock_acquire+0x1ed/0x520 [ 447.750755] ? bpf_test_run+0x3cb/0x780 [ 447.754728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.760269] ? check_preemption_disabled+0x48/0x280 [ 447.765289] ? kasan_check_read+0x11/0x20 [ 447.769435] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.774704] ? rcu_softirq_qs+0x20/0x20 [ 447.778675] ? preempt_schedule+0x4d/0x60 [ 447.782817] ? ___preempt_schedule+0x16/0x18 [ 447.787230] ? bpf_test_run+0x25d/0x780 [ 447.791213] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.795624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.801157] ? bpf_test_init.isra.10+0x70/0x100 [ 447.805835] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 447.810599] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.815436] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.820970] ? fput+0x130/0x1a0 [ 447.824247] ? __bpf_prog_get+0x9b/0x290 [ 447.828306] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.833151] ? bpf_prog_test_run+0x130/0x1a0 [ 447.837556] ? __x64_sys_bpf+0x3d8/0x520 [ 447.841611] ? bpf_prog_get+0x20/0x20 [ 447.845422] ? do_syscall_64+0x1b9/0x820 [ 447.849480] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.854845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.859771] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.864783] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.869796] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 447.876491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.881355] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.887342] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 447.887395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 447.894352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.894357] Call Trace: [ 447.894364] [ 447.894382] dump_stack+0x244/0x39d [ 447.894401] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.900910] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.910212] warn_alloc.cold.116+0xb7/0x1bd [ 447.912767] syz-executor4 cpuset=syz4 mems_allowed=0 [ 447.914906] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.948407] ? lock_downgrade+0x900/0x900 [ 447.952558] ? trace_hardirqs_off+0xb8/0x310 [ 447.956967] ? trace_hardirqs_off+0xb8/0x310 [ 447.961384] __alloc_pages_slowpath+0x26e8/0x2e10 [ 447.966250] ? warn_alloc+0x120/0x120 [ 447.970046] ? print_usage_bug+0xc0/0xc0 [ 447.974106] ? warn_alloc+0x120/0x120 [ 447.977903] ? warn_alloc+0x120/0x120 [ 447.981703] ? print_usage_bug+0xc0/0xc0 [ 447.985763] ? print_usage_bug+0xc0/0xc0 [ 447.989818] ? __lock_acquire+0x62f/0x4c20 [ 447.994052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.999584] ? should_fail+0x22d/0xd01 [ 448.003471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.008568] ? __lock_acquire+0x62f/0x4c20 [ 448.012799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.017896] ? __lock_acquire+0x62f/0x4c20 [ 448.022140] ? should_fail+0x22d/0xd01 [ 448.026021] ? find_held_lock+0x36/0x1c0 [ 448.030087] ? mark_held_locks+0x130/0x130 [ 448.034332] ? mark_held_locks+0x130/0x130 [ 448.038560] ? zap_class+0x640/0x640 [ 448.042270] ? zap_class+0x640/0x640 [ 448.045985] ? print_usage_bug+0xc0/0xc0 [ 448.050129] ? do_raw_spin_unlock+0xa7/0x330 [ 448.054536] ? zap_class+0x640/0x640 [ 448.058244] ? print_usage_bug+0xc0/0xc0 [ 448.062309] ? wq_watchdog_touch+0x9c/0xfe [ 448.066546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.072086] ? check_preemption_disabled+0x48/0x280 [ 448.077105] ? __lock_is_held+0xb5/0x140 [ 448.081171] __alloc_pages_nodemask+0xa80/0xde0 [ 448.085833] ? zap_class+0x640/0x640 [ 448.089546] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 448.094566] ? find_held_lock+0x36/0x1c0 [ 448.098632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.103304] ? lock_downgrade+0x900/0x900 [ 448.107466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.113003] cache_grow_begin+0xa5/0x8c0 [ 448.117234] ? do_raw_spin_unlock+0xa7/0x330 [ 448.121645] fallback_alloc+0x204/0x2e0 [ 448.125622] ____cache_alloc_node+0x1c7/0x1e0 [ 448.130139] kmem_cache_alloc_node+0xe3/0x730 [ 448.134632] ? ipv6_get_ifaddr+0x42e/0x620 [ 448.138870] __alloc_skb+0x119/0x770 [ 448.142580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.147854] ? netdev_alloc_frag+0x1f0/0x1f0 [ 448.152261] ? lock_downgrade+0x900/0x900 [ 448.156420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.161955] ? refcount_sub_and_test_checked+0x203/0x310 [ 448.167404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 448.172856] ? addrconf_rs_timer+0x690/0x690 [ 448.177305] ndisc_alloc_skb+0x144/0x340 [ 448.181373] ndisc_send_rs+0x331/0x6e0 [ 448.185262] addrconf_rs_timer+0x314/0x690 [ 448.189505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.193745] call_timer_fn+0x272/0x920 [ 448.197625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.201859] ? process_timeout+0x40/0x40 [ 448.205926] ? mark_held_locks+0xc7/0x130 [ 448.210073] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.214561] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.219052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.223291] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.227877] ? trace_hardirqs_on+0xbd/0x310 [ 448.232214] ? kasan_check_read+0x11/0x20 [ 448.236355] ? __run_timers+0x7da/0xc70 [ 448.240333] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.245434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.249670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.253920] __run_timers+0x7e5/0xc70 [ 448.257727] ? timer_fixup_init+0x70/0x70 [ 448.261874] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.266887] ? zap_class+0x640/0x640 [ 448.270602] ? print_usage_bug+0xc0/0xc0 [ 448.274658] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.279852] ? find_held_lock+0x36/0x1c0 [ 448.283914] ? zap_class+0x640/0x640 [ 448.287627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.293159] ? check_preemption_disabled+0x48/0x280 [ 448.298199] ? __lock_is_held+0xb5/0x140 [ 448.302262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.307810] ? check_preemption_disabled+0x48/0x280 [ 448.312824] run_timer_softirq+0x52/0xb0 [ 448.316879] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.321888] __do_softirq+0x308/0xb7e [ 448.325689] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.330177] ? lock_downgrade+0x900/0x900 [ 448.334327] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.339433] ? pvclock_read_flags+0x160/0x160 [ 448.343926] ? lapic_next_event+0x5a/0x90 [ 448.348073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.353609] ? kvm_clock_read+0x18/0x30 [ 448.357576] ? kvm_sched_clock_read+0x9/0x20 [ 448.361983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.367535] ? check_preemption_disabled+0x48/0x280 [ 448.372555] irq_exit+0x17f/0x1c0 [ 448.376009] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.380846] ? smp_reschedule_interrupt+0x109/0x650 [ 448.385855] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.391742] ? interrupt_entry+0xb5/0xc0 [ 448.395800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.400817] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.405833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.410673] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.415683] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.420695] ? task_prio+0x50/0x50 [ 448.424231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.429769] ? check_preemption_disabled+0x48/0x280 [ 448.434785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.439629] apic_timer_interrupt+0xf/0x20 [ 448.443851] [ 448.446084] RIP: 0010:dump_stack+0x358/0x39d [ 448.450487] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 448.469384] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 448.477085] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 448.484346] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 448.491607] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 448.498871] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 448.506131] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 448.513412] ? dump_stack+0x34f/0x39d [ 448.517222] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.522417] ? mark_held_locks+0x130/0x130 [ 448.526644] ? mark_held_locks+0x130/0x130 [ 448.530876] dump_header+0x27b/0xf72 [ 448.534594] ? pagefault_out_of_memory+0x197/0x197 [ 448.539526] ? __lock_acquire+0x62f/0x4c20 [ 448.543754] ? percpu_ref_get_many+0x240/0x240 [ 448.548339] ? print_usage_bug+0xc0/0xc0 [ 448.552429] ? zap_class+0x640/0x640 [ 448.556139] ? print_usage_bug+0xc0/0xc0 [ 448.560192] ? print_usage_bug+0xc0/0xc0 [ 448.564258] ? zap_class+0x640/0x640 [ 448.567978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.573511] ? find_held_lock+0x36/0x1c0 [ 448.577573] ? mark_held_locks+0xc7/0x130 [ 448.581719] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.586820] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.591919] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.596496] ? trace_hardirqs_on+0xbd/0x310 [ 448.600813] ? kasan_check_read+0x11/0x20 [ 448.604956] ? ___ratelimit+0x3b4/0x672 [ 448.608932] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.614030] ? trace_hardirqs_on+0x310/0x310 [ 448.618439] ? lock_downgrade+0x900/0x900 [ 448.622765] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.627865] ? ___ratelimit+0x3b9/0x672 [ 448.631838] ? idr_get_free+0xf70/0xf70 [ 448.635809] ? find_held_lock+0x36/0x1c0 [ 448.639874] oom_kill_process.cold.27+0x10/0x903 [ 448.644625] ? zap_class+0x640/0x640 [ 448.648337] ? check_preemption_disabled+0x48/0x280 [ 448.653351] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.658279] ? kasan_check_read+0x11/0x20 [ 448.662418] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.667691] ? oom_evaluate_task+0x540/0x540 [ 448.672096] ? find_held_lock+0x36/0x1c0 [ 448.676161] ? out_of_memory+0x974/0x1430 [ 448.680307] ? lock_downgrade+0x900/0x900 [ 448.684453] ? check_preemption_disabled+0x48/0x280 [ 448.689467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.694390] ? kasan_check_read+0x11/0x20 [ 448.698530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.703801] ? rcu_softirq_qs+0x20/0x20 [ 448.707865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.713396] ? oom_evaluate_task+0x302/0x540 [ 448.717804] out_of_memory+0xa84/0x1430 [ 448.722301] ? oom_killer_disable+0x3a0/0x3a0 [ 448.726796] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 448.731725] ? __ww_mutex_check_waiters+0x160/0x160 [ 448.736745] __alloc_pages_slowpath+0x2354/0x2e10 [ 448.741610] ? warn_alloc+0x120/0x120 [ 448.745414] ? mark_held_locks+0x130/0x130 [ 448.749651] ? find_get_entry+0xaae/0x1120 [ 448.753890] ? filemap_map_pages+0x1a20/0x1a20 [ 448.758472] ? zap_class+0x640/0x640 [ 448.762187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.767720] ? check_preemption_disabled+0x48/0x280 [ 448.772728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.778268] ? should_fail+0x22d/0xd01 [ 448.782155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.787267] ? zap_class+0x640/0x640 [ 448.791009] ? __lock_is_held+0xb5/0x140 [ 448.795074] ? mark_held_locks+0x130/0x130 [ 448.799306] ? lock_release+0xa00/0xa00 [ 448.803280] ? perf_trace_sched_process_exec+0x860/0x860 [ 448.808724] ? xa_load+0x2ba/0x460 [ 448.812282] ? lock_downgrade+0x900/0x900 [ 448.816430] ? __might_sleep+0x95/0x190 [ 448.820408] __alloc_pages_nodemask+0xa80/0xde0 [ 448.825080] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 448.830095] ? __page_cache_alloc+0x191/0x5c0 [ 448.834591] ? xa_load+0x2e1/0x460 [ 448.838130] ? xa_clear_mark+0x40/0x40 [ 448.842027] ? zap_class+0x640/0x640 [ 448.845742] ? zap_class+0x640/0x640 [ 448.849449] ? zap_class+0x640/0x640 [ 448.853162] ? __do_page_cache_readahead+0x663/0x810 [ 448.858268] ? find_held_lock+0x36/0x1c0 [ 448.862332] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 448.867870] alloc_pages_current+0x173/0x350 [ 448.872284] __page_cache_alloc+0x38c/0x5c0 [ 448.876598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.881521] ? kasan_check_read+0x11/0x20 [ 448.885669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.890943] ? generic_perform_write+0x6a0/0x6a0 [ 448.895698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.901235] ? check_preemption_disabled+0x48/0x280 [ 448.906266] filemap_fault+0x1595/0x25f0 [ 448.910334] ? __lock_page_or_retry+0xa00/0xa00 [ 448.915001] ? mark_held_locks+0x130/0x130 [ 448.919250] ? filemap_map_pages+0xd6b/0x1a20 [ 448.923743] ? lock_downgrade+0x900/0x900 [ 448.927888] ? check_preemption_disabled+0x48/0x280 [ 448.932900] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.937823] ? kasan_check_read+0x11/0x20 [ 448.941967] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.947247] ? rcu_softirq_qs+0x20/0x20 [ 448.951237] ? filemap_map_pages+0xd92/0x1a20 [ 448.955747] ? find_get_entries_tag+0x1400/0x1400 [ 448.960587] ? debug_object_destroy+0x2b0/0x2b0 [ 448.965258] ? lock_pi_update_atomic+0x150/0x150 [ 448.970015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.975562] ? lock_acquire+0x1ed/0x520 [ 448.979545] ? ext4_filemap_fault+0x7a/0xad [ 448.983868] ? lock_release+0xa00/0xa00 [ 448.987841] ? perf_trace_sched_process_exec+0x860/0x860 [ 448.993289] ? print_usage_bug+0xc0/0xc0 [ 448.997348] ? print_usage_bug+0xc0/0xc0 [ 449.001415] ? down_read+0x8d/0x120 [ 449.005039] ? ext4_filemap_fault+0x7a/0xad [ 449.009354] ? __down_interruptible+0x700/0x700 [ 449.014024] ext4_filemap_fault+0x82/0xad [ 449.018174] __do_fault+0x100/0x6b0 [ 449.021800] ? pmd_devmap_trans_unstable+0x220/0x220 [ 449.026899] ? mark_held_locks+0x130/0x130 [ 449.031129] ? mark_held_locks+0x130/0x130 [ 449.035361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.040900] ? check_preemption_disabled+0x48/0x280 [ 449.045927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.051462] __handle_mm_fault+0x3ea0/0x5be0 [ 449.055872] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 449.060717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.066256] ? __fpu__restore_sig+0x62f/0x1680 [ 449.070855] ? zap_class+0x640/0x640 [ 449.074567] ? zap_class+0x640/0x640 [ 449.078277] ? __x64_sys_futex+0x53e/0x6a0 [ 449.082510] ? find_held_lock+0x36/0x1c0 [ 449.086574] ? handle_mm_fault+0x42a/0xc70 [ 449.090828] ? lock_downgrade+0x900/0x900 [ 449.094975] ? check_preemption_disabled+0x48/0x280 [ 449.099999] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.104923] ? kasan_check_read+0x11/0x20 [ 449.109069] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.114337] ? rcu_softirq_qs+0x20/0x20 [ 449.118312] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.123410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.128953] ? check_preemption_disabled+0x48/0x280 [ 449.133973] handle_mm_fault+0x54f/0xc70 [ 449.138034] ? __handle_mm_fault+0x5be0/0x5be0 [ 449.142790] ? find_vma+0x34/0x190 [ 449.146331] __do_page_fault+0x5e8/0xe60 [ 449.150387] ? trace_hardirqs_off+0xb8/0x310 [ 449.154793] ? exit_to_usermode_loop+0x1f4/0x380 [ 449.159552] do_page_fault+0xf2/0x7e0 [ 449.163349] ? vmalloc_sync_all+0x30/0x30 [ 449.167490] ? error_entry+0x70/0xd0 [ 449.171206] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.176241] ? trace_hardirqs_on_caller+0xc0/0x310 [ 449.181170] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.186102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.190947] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.195961] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.201411] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.206421] ? page_fault+0x8/0x30 [ 449.209961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.214888] ? page_fault+0x8/0x30 [ 449.218422] page_fault+0x1e/0x30 [ 449.221867] RIP: 0033:0x45ddf3 [ 449.225072] Code: Bad RIP value. [ 449.228428] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 449.233784] RAX: ffffffffffffff92 RBX: 000000003690e3d6 RCX: 000000000045ddf3 [ 449.241051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 449.248312] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 449.255588] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 449.262861] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c426ec8418 [ 449.270147] warn_alloc_show_mem: 1 callbacks suppressed [ 449.270151] Mem-Info: [ 449.270176] CPU: 1 PID: 15033 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #136 [ 449.275526] active_anon:50526 inactive_anon:131 isolated_anon:0 [ 449.275526] active_file:14 inactive_file:13 isolated_file:0 [ 449.275526] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.275526] slab_reclaimable:9177 slab_unreclaimable:1470171 [ 449.275526] mapped:32770 shmem:138 pagetables:538 bounce:0 [ 449.275526] free:13747 free_pcp:512 free_cma:0 [ 449.277906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.277913] Call Trace: [ 449.285296] Node 0 active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.318145] [ 449.327482] 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 [ 449.330061] dump_stack+0x244/0x39d [ 449.357544] lowmem_reserve[]: 0 2818 6321 6321 [ 449.359690] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.385776] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 449.389429] warn_alloc.cold.116+0xb7/0x1bd [ 449.393962] lowmem_reserve[]: 0 0 3503 3503 [ 449.399143] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.426437] Node 0 Normal free:13884kB min:37364kB low:46704kB high:56044kB active_anon:202104kB inactive_anon:524kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2152kB bounce:0kB free_pcp:1800kB local_pcp:852kB free_cma:0kB [ 449.430750] ? lock_downgrade+0x900/0x900 [ 449.435038] lowmem_reserve[]: 0 0 0 0 [ 449.439894] ? trace_hardirqs_off+0xb8/0x310 [ 449.468836] 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 [ 449.472981] ? trace_hardirqs_off+0xb8/0x310 [ 449.476749] Node 0 DMA32: 5*4kB (UM) 3*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB [ 449.481154] __alloc_pages_slowpath+0x26e8/0x2e10 [ 449.494668] Node 0 Normal: 655*4kB (UME) 384*8kB (ME) 200*16kB (ME) 79*32kB (UME) 23*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13916kB [ 449.499096] ? warn_alloc+0x120/0x120 [ 449.514310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.519134] ? print_usage_bug+0xc0/0xc0 [ 449.533497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 449.537278] ? warn_alloc+0x120/0x120 [ 449.546083] 165 total pagecache pages [ 449.550130] ? warn_alloc+0x120/0x120 [ 449.558705] 0 pages in swap cache [ 449.562485] ? print_usage_bug+0xc0/0xc0 [ 449.566259] Swap cache stats: add 0, delete 0, find 0/0 [ 449.570043] ? print_usage_bug+0xc0/0xc0 [ 449.573479] Free swap = 0kB [ 449.577526] ? __lock_acquire+0x62f/0x4c20 [ 449.582858] Total swap = 0kB [ 449.586908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.589897] 1965979 pages RAM [ 449.594121] ? should_fail+0x22d/0xd01 [ 449.597115] 0 pages HighMem/MovableOnly [ 449.597122] 342855 pages reserved [ 449.602648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.605723] 0 pages cma reserved [ 449.609596] ? __lock_acquire+0x62f/0x4c20 [ 449.613596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 449.616985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.622713] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.625428] ? __lock_acquire+0x62f/0x4c20 [ 449.625446] ? should_fail+0x22d/0xd01 [ 449.629738] syz-fuzzer cpuset=/ mems_allowed=0 [ 449.636211] ? find_held_lock+0x36/0x1c0 [ 449.636235] ? mark_held_locks+0x130/0x130 [ 449.672523] ? mark_held_locks+0x130/0x130 [ 449.676750] ? zap_class+0x640/0x640 [ 449.680460] ? zap_class+0x640/0x640 [ 449.684185] ? print_usage_bug+0xc0/0xc0 [ 449.688241] ? do_raw_spin_unlock+0xa7/0x330 [ 449.692646] ? zap_class+0x640/0x640 [ 449.696357] ? print_usage_bug+0xc0/0xc0 [ 449.700416] ? wq_watchdog_touch+0x9c/0xfe [ 449.704648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.710189] ? check_preemption_disabled+0x48/0x280 [ 449.715212] ? __lock_is_held+0xb5/0x140 [ 449.719273] __alloc_pages_nodemask+0xa80/0xde0 [ 449.723941] ? zap_class+0x640/0x640 [ 449.727654] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 449.732693] ? find_held_lock+0x36/0x1c0 [ 449.736759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.741427] ? lock_downgrade+0x900/0x900 [ 449.745580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.751156] cache_grow_begin+0xa5/0x8c0 [ 449.755217] ? do_raw_spin_unlock+0xa7/0x330 [ 449.759633] fallback_alloc+0x204/0x2e0 [ 449.763619] ____cache_alloc_node+0x1c7/0x1e0 [ 449.768117] kmem_cache_alloc_node+0xe3/0x730 [ 449.772620] ? ipv6_get_ifaddr+0x42e/0x620 [ 449.776865] __alloc_skb+0x119/0x770 [ 449.780580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.785872] ? netdev_alloc_frag+0x1f0/0x1f0 [ 449.790281] ? lock_downgrade+0x900/0x900 [ 449.794434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.799971] ? refcount_sub_and_test_checked+0x203/0x310 [ 449.805425] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 449.810879] ? addrconf_rs_timer+0x690/0x690 [ 449.815300] ndisc_alloc_skb+0x144/0x340 [ 449.819368] ndisc_send_rs+0x331/0x6e0 [ 449.823263] addrconf_rs_timer+0x314/0x690 [ 449.827506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 449.831754] call_timer_fn+0x272/0x920 [ 449.835640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 449.839882] ? process_timeout+0x40/0x40 [ 449.843951] ? __run_timers+0x7da/0xc70 [ 449.847928] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.852421] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.856916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 449.861158] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.865742] ? trace_hardirqs_on+0xbd/0x310 [ 449.870066] ? kasan_check_read+0x11/0x20 [ 449.874212] ? __run_timers+0x7da/0xc70 [ 449.878189] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.883296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 449.888004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 449.892235] __run_timers+0x7e5/0xc70 [ 449.896041] ? timer_fixup_init+0x70/0x70 [ 449.900187] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.905201] ? zap_class+0x640/0x640 [ 449.908914] ? enqueue_hrtimer+0x1a5/0x560 [ 449.913159] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 449.918358] ? find_held_lock+0x36/0x1c0 [ 449.922422] ? zap_class+0x640/0x640 [ 449.926144] ? pvclock_read_flags+0x160/0x160 [ 449.930643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.936182] ? check_preemption_disabled+0x48/0x280 [ 449.941203] ? __lock_is_held+0xb5/0x140 [ 449.945261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.950798] ? check_preemption_disabled+0x48/0x280 [ 449.955813] run_timer_softirq+0x52/0xb0 [ 449.959868] ? rcu_read_lock_sched_held+0x14f/0x180 [ 449.964879] __do_softirq+0x308/0xb7e [ 449.968685] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 449.973174] ? lock_downgrade+0x900/0x900 [ 449.977319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 449.982424] ? pvclock_read_flags+0x160/0x160 [ 449.986921] ? lapic_next_event+0x5a/0x90 [ 449.991070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.996612] ? kvm_clock_read+0x18/0x30 [ 450.000584] ? kvm_sched_clock_read+0x9/0x20 [ 450.004990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.010525] ? check_preemption_disabled+0x48/0x280 [ 450.015545] irq_exit+0x17f/0x1c0 [ 450.018993] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.023828] ? smp_reschedule_interrupt+0x109/0x650 [ 450.028842] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.034725] ? interrupt_entry+0xb5/0xc0 [ 450.038786] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.043797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.048808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.053652] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.058670] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.063692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.068534] apic_timer_interrupt+0xf/0x20 [ 450.072756] [ 450.074990] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.079919] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 4b [ 450.098812] RSP: 0000:ffff88019c97f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 450.106517] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.113780] RDX: 0000000000000000 RSI: ffff8801cd2f8ac0 RDI: 0000000000000286 [ 450.121041] RBP: ffff88019c97f7a0 R08: ffff8801cd2f8240 R09: 0000000000000000 [ 450.128301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.135564] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020 [ 450.142866] skb_clone+0x1bb/0x500 [ 450.146402] ? finish_task_switch+0x2f4/0x910 [ 450.150894] ? skb_split+0x11e0/0x11e0 [ 450.154780] ? preempt_notifier_register+0x200/0x200 [ 450.159912] ? __switch_to_asm+0x34/0x70 [ 450.163973] ? __switch_to_asm+0x34/0x70 [ 450.168032] ? __switch_to_asm+0x40/0x70 [ 450.172092] ? __switch_to_asm+0x34/0x70 [ 450.176179] ? __switch_to_asm+0x40/0x70 [ 450.180250] ? __switch_to_asm+0x34/0x70 [ 450.184307] ? __switch_to_asm+0x40/0x70 [ 450.188365] ? __switch_to_asm+0x34/0x70 [ 450.192438] ? __switch_to_asm+0x34/0x70 [ 450.196495] ? __switch_to_asm+0x40/0x70 [ 450.200558] ? __switch_to_asm+0x34/0x70 [ 450.204635] bpf_clone_redirect+0xb9/0x490 [ 450.208870] ? __schedule+0x8d7/0x21d0 [ 450.212764] bpf_prog_bebbfe2050753572+0x8a1/0x1000 [ 450.217781] ? __sched_text_start+0x8/0x8 [ 450.222021] ? retint_kernel+0x2d/0x2d [ 450.225937] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.230871] ? find_held_lock+0x36/0x1c0 [ 450.234939] ? lock_acquire+0x1ed/0x520 [ 450.238914] ? bpf_test_run+0x3cb/0x780 [ 450.242891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.248427] ? check_preemption_disabled+0x48/0x280 [ 450.253451] ? kasan_check_read+0x11/0x20 [ 450.257599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.262878] ? rcu_softirq_qs+0x20/0x20 [ 450.266853] ? preempt_schedule+0x4d/0x60 [ 450.271009] ? ___preempt_schedule+0x16/0x18 [ 450.275436] ? bpf_test_run+0x25d/0x780 [ 450.279426] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.283845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.289389] ? bpf_test_init.isra.10+0x70/0x100 [ 450.294069] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 450.298860] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.303710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.309255] ? fput+0x130/0x1a0 [ 450.312540] ? __bpf_prog_get+0x9b/0x290 [ 450.316612] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.321474] ? bpf_prog_test_run+0x130/0x1a0 [ 450.325904] ? __x64_sys_bpf+0x3d8/0x520 [ 450.329980] ? bpf_prog_get+0x20/0x20 [ 450.333801] ? do_syscall_64+0x1b9/0x820 [ 450.337866] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.343242] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.348182] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.353210] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.358325] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 450.365077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.369987] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.375375] CPU: 0 PID: 5660 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #136 [ 450.375435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 450.382396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.382401] Call Trace: [ 450.382407] [ 450.382424] dump_stack+0x244/0x39d [ 450.382448] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.389028] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.398338] warn_alloc.cold.116+0xb7/0x1bd [ 450.400913] syz-executor4 cpuset=syz4 mems_allowed=0 [ 450.403044] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.436569] ? lock_downgrade+0x900/0x900 [ 450.440730] ? trace_hardirqs_off+0xb8/0x310 [ 450.445156] ? trace_hardirqs_off+0xb8/0x310 [ 450.449583] __alloc_pages_slowpath+0x26e8/0x2e10 [ 450.454462] ? warn_alloc+0x120/0x120 [ 450.458271] ? warn_alloc+0x120/0x120 [ 450.462098] ? warn_alloc+0x120/0x120 [ 450.465913] ? print_usage_bug+0xc0/0xc0 [ 450.469982] ? print_usage_bug+0xc0/0xc0 [ 450.474052] ? trace_hardirqs_off+0xb8/0x310 [ 450.478488] ? kasan_check_read+0x11/0x20 [ 450.482649] ? do_raw_spin_unlock+0xa7/0x330 [ 450.487066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.492633] ? should_fail+0x22d/0xd01 [ 450.496620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.501789] ? __lock_acquire+0x62f/0x4c20 [ 450.506032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.511226] ? should_fail+0x22d/0xd01 [ 450.515147] ? mark_held_locks+0x130/0x130 [ 450.519394] ? mark_held_locks+0x130/0x130 [ 450.523635] ? print_usage_bug+0xc0/0xc0 [ 450.527709] ? find_held_lock+0x36/0x1c0 [ 450.531780] ? zap_class+0x640/0x640 [ 450.535504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.541049] ? check_preemption_disabled+0x48/0x280 [ 450.546120] ? __lock_is_held+0xb5/0x140 [ 450.550194] __alloc_pages_nodemask+0xa80/0xde0 [ 450.554873] ? zap_class+0x640/0x640 [ 450.558597] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 450.563718] ? find_held_lock+0x36/0x1c0 [ 450.567799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.572477] ? lock_downgrade+0x900/0x900 [ 450.576640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.582190] cache_grow_begin+0xa5/0x8c0 [ 450.586256] ? do_raw_spin_unlock+0xa7/0x330 [ 450.590679] fallback_alloc+0x204/0x2e0 [ 450.594670] ____cache_alloc_node+0x1c7/0x1e0 [ 450.599180] kmem_cache_alloc_node+0xe3/0x730 [ 450.603710] ? mark_held_locks+0xc7/0x130 [ 450.607877] __alloc_skb+0x119/0x770 [ 450.611599] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.616015] ? do_raw_spin_trylock+0x270/0x270 [ 450.620612] ? kmem_cache_alloc_trace+0x353/0x750 [ 450.625468] ? queue_work_on+0x12c/0x1e0 [ 450.629611] ? switchdev_port_obj_del+0xdc/0x440 [ 450.634388] ? switchdev_trans_item_enqueue+0x260/0x260 [ 450.639757] ? mod_timer+0x631/0x1560 [ 450.643559] ? wake_up_klogd+0x180/0x180 [ 450.647630] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.652714] __br_mdb_notify+0x4ff/0x15d0 [ 450.656905] ? __br_mdb_add+0x7f0/0x7f0 [ 450.660900] ? zap_class+0x640/0x640 [ 450.664631] ? br_multicast_group_expired+0x96/0x610 [ 450.669748] br_mdb_notify+0x310/0x410 [ 450.673643] ? br_mdb_dump+0x27b0/0x27b0 [ 450.677786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.683339] br_multicast_group_expired+0x1bc/0x610 [ 450.688364] ? br_mdb_free+0x80/0x80 [ 450.692114] call_timer_fn+0x272/0x920 [ 450.696012] ? br_mdb_free+0x80/0x80 [ 450.699747] ? process_timeout+0x40/0x40 [ 450.703928] ? mark_held_locks+0xc7/0x130 [ 450.708110] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.712611] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.717111] ? br_mdb_free+0x80/0x80 [ 450.722352] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.726942] ? trace_hardirqs_on+0xbd/0x310 [ 450.731271] ? kasan_check_read+0x11/0x20 [ 450.735424] ? __run_timers+0x7da/0xc70 [ 450.739406] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.744520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.748768] ? br_mdb_free+0x80/0x80 [ 450.752490] __run_timers+0x7e5/0xc70 [ 450.756306] ? timer_fixup_init+0x70/0x70 [ 450.760466] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.765487] ? zap_class+0x640/0x640 [ 450.769211] ? print_usage_bug+0xc0/0xc0 [ 450.773278] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.778483] ? find_held_lock+0x36/0x1c0 [ 450.782581] ? zap_class+0x640/0x640 [ 450.786411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.791959] ? check_preemption_disabled+0x48/0x280 [ 450.796992] ? __lock_is_held+0xb5/0x140 [ 450.801086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.806629] ? check_preemption_disabled+0x48/0x280 [ 450.811745] run_timer_softirq+0x52/0xb0 [ 450.815817] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.820841] __do_softirq+0x308/0xb7e [ 450.824653] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.829156] ? lock_downgrade+0x900/0x900 [ 450.833318] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.838435] ? pvclock_read_flags+0x160/0x160 [ 450.842944] ? lapic_next_event+0x5a/0x90 [ 450.847104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.852657] ? kvm_clock_read+0x18/0x30 [ 450.856637] ? kvm_sched_clock_read+0x9/0x20 [ 450.861095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.866711] ? check_preemption_disabled+0x48/0x280 [ 450.871742] irq_exit+0x17f/0x1c0 [ 450.875207] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.880078] ? smp_reschedule_interrupt+0x109/0x650 [ 450.885104] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.890996] ? interrupt_entry+0xb5/0xc0 [ 450.895087] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.900110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.905135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.909987] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.915007] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.920071] ? task_prio+0x50/0x50 [ 450.923626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.929169] ? check_preemption_disabled+0x48/0x280 [ 450.934194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.939070] apic_timer_interrupt+0xf/0x20 [ 450.943312] [ 450.945554] RIP: 0010:dump_stack+0x358/0x39d [ 450.949971] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 71 df fb f9 48 83 3d 19 03 8b 01 00 0f 84 63 fe ff ff e8 1e 92 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 0b 92 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 450.968962] RSP: 0000:ffff8801d78d61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 450.976675] RAX: ffff8801ba0b82c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10037417176 [ 450.983948] RDX: 0000000000000000 RSI: ffffffff87c6f8a2 RDI: 0000000000000293 [ 450.991220] RBP: ffff8801d78d6290 R08: ffff8801ba0b8bb0 R09: 0000000000000006 [ 450.998495] R10: 0000000000000000 R11: ffff8801ba0b82c0 R12: 1ffff1003af1ac45 [ 451.005766] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 451.013080] ? dump_stack+0x34f/0x39d [ 451.016924] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.022158] ? mark_held_locks+0x130/0x130 [ 451.026397] ? mark_held_locks+0x130/0x130 [ 451.030648] dump_header+0x27b/0xf72 [ 451.034426] ? pagefault_out_of_memory+0x197/0x197 [ 451.039369] ? __lock_acquire+0x62f/0x4c20 [ 451.043614] ? percpu_ref_get_many+0x240/0x240 [ 451.048211] ? print_usage_bug+0xc0/0xc0 [ 451.052280] ? zap_class+0x640/0x640 [ 451.055999] ? print_usage_bug+0xc0/0xc0 [ 451.060091] ? print_usage_bug+0xc0/0xc0 [ 451.064162] ? zap_class+0x640/0x640 [ 451.067885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.073435] ? find_held_lock+0x36/0x1c0 [ 451.077514] ? mark_held_locks+0xc7/0x130 [ 451.081677] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.086788] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.091900] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 451.096492] ? trace_hardirqs_on+0xbd/0x310 [ 451.100822] ? kasan_check_read+0x11/0x20 [ 451.104974] ? ___ratelimit+0x3b4/0x672 [ 451.108961] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.114074] ? trace_hardirqs_on+0x310/0x310 [ 451.118490] ? lock_downgrade+0x900/0x900 [ 451.122650] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.127759] ? ___ratelimit+0x3b9/0x672 [ 451.131743] ? idr_get_free+0xf70/0xf70 [ 451.135722] ? find_held_lock+0x36/0x1c0 [ 451.139802] oom_kill_process.cold.27+0x10/0x903 [ 451.144566] ? zap_class+0x640/0x640 [ 451.148350] ? check_preemption_disabled+0x48/0x280 [ 451.153376] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.159098] ? kasan_check_read+0x11/0x20 [ 451.163270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.168554] ? oom_evaluate_task+0x540/0x540 [ 451.172977] ? find_held_lock+0x36/0x1c0 [ 451.177093] ? out_of_memory+0x974/0x1430 [ 451.181258] ? lock_downgrade+0x900/0x900 [ 451.185417] ? check_preemption_disabled+0x48/0x280 [ 451.190455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.195396] ? kasan_check_read+0x11/0x20 [ 451.199557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.204853] ? rcu_softirq_qs+0x20/0x20 [ 451.208844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.214402] ? oom_evaluate_task+0x302/0x540 [ 451.218825] out_of_memory+0xa84/0x1430 [ 451.222815] ? oom_killer_disable+0x3a0/0x3a0 [ 451.227321] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 451.232259] ? __ww_mutex_check_waiters+0x160/0x160 [ 451.237290] __alloc_pages_slowpath+0x2354/0x2e10 [ 451.242166] ? warn_alloc+0x120/0x120 [ 451.245975] ? mark_held_locks+0x130/0x130 [ 451.250238] ? find_get_entry+0xaae/0x1120 [ 451.254489] ? filemap_map_pages+0x1a20/0x1a20 [ 451.259093] ? zap_class+0x640/0x640 [ 451.262819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.268366] ? check_preemption_disabled+0x48/0x280