ace_const_cmp4+0x16/0x20 [ 292.891485] ? check_preemption_disabled+0x48/0x280 [ 292.896515] run_timer_softirq+0x52/0xb0 [ 292.900581] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.905601] __do_softirq+0x308/0xb7e [ 292.909406] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 292.913914] ? lock_downgrade+0x900/0x900 [ 292.918071] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.923199] ? pvclock_read_flags+0x160/0x160 [ 292.927697] ? lapic_next_event+0x5a/0x90 [ 292.931868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.937412] ? kvm_clock_read+0x18/0x30 [ 292.941392] ? kvm_sched_clock_read+0x9/0x20 [ 292.945803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.951356] ? check_preemption_disabled+0x48/0x280 [ 292.956381] irq_exit+0x17f/0x1c0 [ 292.959878] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.964725] ? smp_reschedule_interrupt+0x109/0x650 [ 292.969742] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.975625] ? interrupt_entry+0xb5/0xc0 [ 292.979689] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.984740] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.989756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.994600] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.999612] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.004629] ? task_prio+0x50/0x50 [ 293.008166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.013710] ? check_preemption_disabled+0x48/0x280 [ 293.018748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.023601] apic_timer_interrupt+0xf/0x20 [ 293.027827] </IRQ> [ 293.030065] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 293.035252] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 293.054151] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.061890] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 293.069154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 293.076417] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 293.083698] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 293.090982] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 293.098292] retint_kernel+0x1b/0x2d [ 293.102020] RIP: 0010:dump_stack+0x358/0x39d [ 293.106425] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 293.125329] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 293.133047] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 293.140311] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 293.147574] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 293.154843] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 293.162113] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 293.169396] ? dump_stack+0x34f/0x39d [ 293.173278] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.178478] ? mark_held_locks+0x130/0x130 [ 293.182718] ? mark_held_locks+0x130/0x130 [ 293.186964] dump_header+0x27b/0xf72 [ 293.190690] ? pagefault_out_of_memory+0x197/0x197 [ 293.195642] ? __lock_acquire+0x62f/0x4c20 [ 293.199892] ? percpu_ref_get_many+0x240/0x240 [ 293.204480] ? print_usage_bug+0xc0/0xc0 [ 293.208548] ? zap_class+0x640/0x640 [ 293.212278] ? print_usage_bug+0xc0/0xc0 [ 293.216343] ? print_usage_bug+0xc0/0xc0 [ 293.220406] ? zap_class+0x640/0x640 [ 293.224131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.229676] ? find_held_lock+0x36/0x1c0 [ 293.233763] ? mark_held_locks+0xc7/0x130 [ 293.237911] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.243016] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.248124] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.252728] ? trace_hardirqs_on+0xbd/0x310 [ 293.257047] ? kasan_check_read+0x11/0x20 [ 293.261191] ? ___ratelimit+0x3b4/0x672 [ 293.265186] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.270285] ? trace_hardirqs_on+0x310/0x310 [ 293.274691] ? lock_downgrade+0x900/0x900 [ 293.278859] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.283991] ? ___ratelimit+0x3b9/0x672 [ 293.287995] ? idr_get_free+0xf70/0xf70 [ 293.291964] ? find_held_lock+0x36/0x1c0 [ 293.296031] oom_kill_process.cold.27+0x10/0x903 [ 293.300786] ? zap_class+0x640/0x640 [ 293.304501] ? check_preemption_disabled+0x48/0x280 [ 293.309520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.314453] ? kasan_check_read+0x11/0x20 [ 293.318618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.323894] ? oom_evaluate_task+0x540/0x540 [ 293.328306] ? find_held_lock+0x36/0x1c0 [ 293.332376] ? out_of_memory+0x974/0x1430 [ 293.336528] ? lock_downgrade+0x900/0x900 [ 293.340677] ? check_preemption_disabled+0x48/0x280 [ 293.345711] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.350648] ? kasan_check_read+0x11/0x20 [ 293.354803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.360088] ? rcu_softirq_qs+0x20/0x20 [ 293.364075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.369641] ? oom_evaluate_task+0x302/0x540 [ 293.374071] out_of_memory+0xa84/0x1430 [ 293.378058] ? oom_killer_disable+0x3a0/0x3a0 [ 293.382561] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 293.387497] ? __ww_mutex_check_waiters+0x160/0x160 [ 293.392531] __alloc_pages_slowpath+0x2354/0x2e10 [ 293.397404] ? warn_alloc+0x120/0x120 [ 293.401226] ? mark_held_locks+0x130/0x130 [ 293.405477] ? find_get_entry+0xaae/0x1120 [ 293.409736] ? filemap_map_pages+0x1a20/0x1a20 [ 293.414330] ? zap_class+0x640/0x640 [ 293.418066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.423627] ? check_preemption_disabled+0x48/0x280 [ 293.428645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.434187] ? should_fail+0x22d/0xd01 [ 293.438081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.443187] ? zap_class+0x640/0x640 [ 293.446927] ? __lock_is_held+0xb5/0x140 [ 293.450996] ? mark_held_locks+0x130/0x130 [ 293.455238] ? lock_release+0xa00/0xa00 [ 293.459212] ? perf_trace_sched_process_exec+0x860/0x860 [ 293.464669] ? xa_load+0x2ba/0x460 [ 293.468218] ? lock_downgrade+0x900/0x900 [ 293.472372] ? __might_sleep+0x95/0x190 [ 293.476351] __alloc_pages_nodemask+0xa80/0xde0 [ 293.481028] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 293.486050] ? __page_cache_alloc+0x191/0x5c0 [ 293.490548] ? xa_load+0x2e1/0x460 [ 293.494100] ? xa_clear_mark+0x40/0x40 [ 293.497990] ? zap_class+0x640/0x640 [ 293.501713] ? zap_class+0x640/0x640 [ 293.505422] ? zap_class+0x640/0x640 [ 293.509138] ? __do_page_cache_readahead+0x663/0x810 [ 293.514237] ? find_held_lock+0x36/0x1c0 [ 293.518300] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 293.523856] alloc_pages_current+0x173/0x350 [ 293.528270] __page_cache_alloc+0x38c/0x5c0 [ 293.532593] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.537525] ? kasan_check_read+0x11/0x20 [ 293.541671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.546951] ? generic_perform_write+0x6a0/0x6a0 [ 293.551711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.557248] ? check_preemption_disabled+0x48/0x280 [ 293.562285] filemap_fault+0x1595/0x25f0 [ 293.566392] ? __lock_page_or_retry+0xa00/0xa00 [ 293.571065] ? mark_held_locks+0x130/0x130 [ 293.575308] ? filemap_map_pages+0xd6b/0x1a20 [ 293.579805] ? lock_downgrade+0x900/0x900 [ 293.583956] ? check_preemption_disabled+0x48/0x280 [ 293.588976] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.594136] ? kasan_check_read+0x11/0x20 [ 293.598282] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.603557] ? rcu_softirq_qs+0x20/0x20 [ 293.607548] ? filemap_map_pages+0xd92/0x1a20 [ 293.612048] ? print_usage_bug+0xc0/0xc0 [ 293.616134] ? find_get_entries_tag+0x1400/0x1400 [ 293.620974] ? __kasan_slab_free+0x102/0x150 [ 293.625381] ? kasan_slab_free+0xe/0x10 [ 293.629353] ? kmem_cache_free+0x83/0x290 [ 293.633500] ? __sigqueue_free.part.29+0x74/0x90 [ 293.638273] ? lock_acquire+0x1ed/0x520 [ 293.642243] ? ext4_filemap_fault+0x7a/0xad [ 293.646568] ? lock_release+0xa00/0xa00 [ 293.650543] ? perf_trace_sched_process_exec+0x860/0x860 [ 293.655995] ? print_usage_bug+0xc0/0xc0 [ 293.660071] ? print_usage_bug+0xc0/0xc0 [ 293.664159] ? down_read+0x8d/0x120 [ 293.667780] ? ext4_filemap_fault+0x7a/0xad [ 293.672106] ? __down_interruptible+0x700/0x700 [ 293.676803] ext4_filemap_fault+0x82/0xad [ 293.680954] __do_fault+0x100/0x6b0 [ 293.684584] ? pmd_devmap_trans_unstable+0x220/0x220 [ 293.689688] ? mark_held_locks+0x130/0x130 [ 293.693927] ? mark_held_locks+0x130/0x130 [ 293.698164] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 293.703728] ? rcu_pm_notify+0xc0/0xc0 [ 293.707625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.713170] __handle_mm_fault+0x3ea0/0x5be0 [ 293.717590] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 293.722644] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.727148] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.731736] ? trace_hardirqs_on+0xbd/0x310 [ 293.736057] ? kasan_check_read+0x11/0x20 [ 293.740206] ? __set_current_blocked+0xdf/0x120 [ 293.744878] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.749992] ? zap_class+0x640/0x640 [ 293.753742] ? zap_class+0x640/0x640 [ 293.757492] ? find_held_lock+0x36/0x1c0 [ 293.761560] ? handle_mm_fault+0x42a/0xc70 [ 293.765799] ? lock_downgrade+0x900/0x900 [ 293.769956] ? check_preemption_disabled+0x48/0x280 [ 293.774978] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.779918] ? kasan_check_read+0x11/0x20 [ 293.784066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.789344] ? rcu_softirq_qs+0x20/0x20 [ 293.793316] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.798417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.803961] ? check_preemption_disabled+0x48/0x280 [ 293.808986] handle_mm_fault+0x54f/0xc70 [ 293.813052] ? __handle_mm_fault+0x5be0/0x5be0 [ 293.817636] ? find_vma+0x34/0x190 [ 293.821182] __do_page_fault+0x5e8/0xe60 [ 293.825243] ? exit_to_usermode_loop+0x1f4/0x380 [ 293.830006] do_page_fault+0xf2/0x7e0 [ 293.833808] ? vmalloc_sync_all+0x30/0x30 [ 293.837959] ? error_entry+0x70/0xd0 [ 293.841712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.846728] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.851685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.856625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.861468] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.866484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.871942] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.876962] ? page_fault+0x8/0x30 [ 293.880502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.885361] ? page_fault+0x8/0x30 [ 293.888905] page_fault+0x1e/0x30 [ 293.892357] RIP: 0033:0x45db60 [ 293.895558] Code: Bad RIP value. [ 293.898920] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 293.904280] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 293.911548] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 293.918814] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 293.926078] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 293.933340] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 293.940637] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 293.940643] warn_alloc_show_mem: 1 callbacks suppressed [ 293.940650] Mem-Info: [ 293.947926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.953289] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 293.953289] active_file:10 inactive_file:13 isolated_file:0 [ 293.953289] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.953289] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 293.953289] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 293.953289] free:13762 free_pcp:404 free_cma:0 [ 293.955661] Call Trace: [ 293.965077] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.997831] <IRQ> [ 294.000397] 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 [ 294.027723] dump_stack+0x244/0x39d [ 294.029843] lowmem_reserve[]: 0 2818 6321 6321 [ 294.055947] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.059543] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 294.064143] warn_alloc.cold.116+0xb7/0x1bd [ 294.069294] lowmem_reserve[]: 0 0 3503 3503 [ 294.096804] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.101101] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 294.105415] ? lock_downgrade+0x900/0x900 [ 294.110230] lowmem_reserve[]: 0 0 0 0 [ 294.139207] ? trace_hardirqs_off+0xb8/0x310 [ 294.143319] 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 [ 294.147115] ? trace_hardirqs_off+0xb8/0x310 [ 294.151492] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 294.165027] __alloc_pages_slowpath+0x26e8/0x2e10 [ 294.169405] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 294.184857] ? warn_alloc+0x120/0x120 [ 294.189656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.203705] ? warn_alloc+0x120/0x120 [ 294.207487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.216309] ? warn_alloc+0x120/0x120 [ 294.220086] 267 total pagecache pages [ 294.228666] ? print_usage_bug+0xc0/0xc0 [ 294.232454] 0 pages in swap cache [ 294.236237] ? zap_class+0x640/0x640 [ 294.240324] Swap cache stats: add 0, delete 0, find 0/0 [ 294.243796] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.247487] Free swap = 0kB [ 294.252846] ? print_usage_bug+0xc0/0xc0 [ 294.257839] Total swap = 0kB [ 294.260851] ? __lock_is_held+0xb5/0x140 [ 294.264883] 1965979 pages RAM [ 294.267893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.271930] 0 pages HighMem/MovableOnly [ 294.275032] ? should_fail+0x22d/0xd01 [ 294.280560] 342853 pages reserved [ 294.284542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.288404] 0 pages cma reserved [ 294.291851] ? __lock_acquire+0x62f/0x4c20 [ 294.296991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.300288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.304552] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.310977] ? __lock_acquire+0x62f/0x4c20 [ 294.316060] syz-fuzzer cpuset=/ mems_allowed=0 [ 294.326280] ? should_fail+0x22d/0xd01 [ 294.338946] ? mark_held_locks+0x130/0x130 [ 294.343187] ? mark_held_locks+0x130/0x130 [ 294.347421] ? try_to_wake_up+0x11c/0x1490 [ 294.351694] ? lock_downgrade+0x900/0x900 [ 294.355835] ? lock_downgrade+0x900/0x900 [ 294.359988] ? zap_class+0x640/0x640 [ 294.363701] ? print_usage_bug+0xc0/0xc0 [ 294.367760] ? trace_hardirqs_off+0xb8/0x310 [ 294.372183] ? kasan_check_read+0x11/0x20 [ 294.376335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.381872] ? check_preemption_disabled+0x48/0x280 [ 294.386895] ? __lock_is_held+0xb5/0x140 [ 294.390961] __alloc_pages_nodemask+0xa80/0xde0 [ 294.395635] ? zap_class+0x640/0x640 [ 294.399356] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 294.404389] ? find_held_lock+0x36/0x1c0 [ 294.408469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.413150] ? lock_downgrade+0x900/0x900 [ 294.417308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.422851] cache_grow_begin+0xa5/0x8c0 [ 294.426913] ? do_raw_spin_unlock+0xa7/0x330 [ 294.431328] fallback_alloc+0x204/0x2e0 [ 294.435308] ____cache_alloc_node+0x1c7/0x1e0 [ 294.439813] kmem_cache_alloc_node+0xe3/0x730 [ 294.444342] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.448585] __alloc_skb+0x119/0x770 [ 294.452294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.457576] ? netdev_alloc_frag+0x1f0/0x1f0 [ 294.462001] ? lock_downgrade+0x900/0x900 [ 294.466158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.471695] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.477146] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.482598] ? addrconf_rs_timer+0x690/0x690 [ 294.487021] ndisc_alloc_skb+0x144/0x340 [ 294.491087] ndisc_send_rs+0x331/0x6e0 [ 294.494978] addrconf_rs_timer+0x314/0x690 [ 294.499227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.503480] call_timer_fn+0x272/0x920 [ 294.507368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.511599] ? process_timeout+0x40/0x40 [ 294.515667] ? __run_timers+0x7da/0xc70 [ 294.519646] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.524137] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.528640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.532877] ? lockdep_hardirqs_on+0x296/0x5b0 [ 294.537476] ? trace_hardirqs_on+0xbd/0x310 [ 294.541801] ? kasan_check_read+0x11/0x20 [ 294.545949] ? __run_timers+0x7da/0xc70 [ 294.549941] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.555072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.559308] __run_timers+0x7e5/0xc70 [ 294.563116] ? timer_fixup_init+0x70/0x70 [ 294.567279] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.572297] ? zap_class+0x640/0x640 [ 294.576020] ? enqueue_hrtimer+0x1a5/0x560 [ 294.580261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.585462] ? find_held_lock+0x36/0x1c0 [ 294.589542] ? zap_class+0x640/0x640 [ 294.593257] ? pvclock_read_flags+0x160/0x160 [ 294.597756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.603344] ? check_preemption_disabled+0x48/0x280 [ 294.608367] ? __lock_is_held+0xb5/0x140 [ 294.612437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.617972] ? check_preemption_disabled+0x48/0x280 [ 294.622992] run_timer_softirq+0x52/0xb0 [ 294.627070] ? rcu_read_lock_sched_held+0x14f/0x180 [ 294.632092] __do_softirq+0x308/0xb7e [ 294.635921] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 294.640411] ? lock_downgrade+0x900/0x900 [ 294.644573] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 294.649683] ? pvclock_read_flags+0x160/0x160 [ 294.654186] ? lapic_next_event+0x5a/0x90 [ 294.658342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.663900] ? kvm_clock_read+0x18/0x30 [ 294.667904] ? kvm_sched_clock_read+0x9/0x20 [ 294.672830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.678377] ? check_preemption_disabled+0x48/0x280 [ 294.683406] irq_exit+0x17f/0x1c0 [ 294.686872] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.691720] ? smp_reschedule_interrupt+0x109/0x650 [ 294.696741] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.702646] ? interrupt_entry+0xb5/0xc0 [ 294.706710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.711731] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.716753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.721613] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.726635] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.731651] ? task_prio+0x50/0x50 [ 294.735215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.740757] ? check_preemption_disabled+0x48/0x280 [ 294.745794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.750664] apic_timer_interrupt+0xf/0x20 [ 294.754891] </IRQ> [ 294.757126] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 294.762056] 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 ac [ 294.780957] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.788682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.795950] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 294.803221] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 294.810507] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.817771] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 294.825083] skb_clone+0x1bb/0x500 [ 294.828632] ? finish_task_switch+0x2f4/0x910 [ 294.833145] ? skb_split+0x11e0/0x11e0 [ 294.837033] ? preempt_notifier_register+0x200/0x200 [ 294.842133] ? __switch_to_asm+0x34/0x70 [ 294.846194] ? __switch_to_asm+0x34/0x70 [ 294.850262] ? __switch_to_asm+0x40/0x70 [ 294.854323] ? __switch_to_asm+0x34/0x70 [ 294.858382] ? __switch_to_asm+0x40/0x70 [ 294.862500] ? __switch_to_asm+0x34/0x70 [ 294.866561] ? __switch_to_asm+0x40/0x70 [ 294.870618] ? __switch_to_asm+0x34/0x70 [ 294.874682] ? __switch_to_asm+0x34/0x70 [ 294.878743] ? __switch_to_asm+0x40/0x70 [ 294.882799] ? __switch_to_asm+0x34/0x70 [ 294.886868] bpf_clone_redirect+0xb9/0x490 [ 294.891109] ? __schedule+0x8d7/0x21d0 [ 294.895003] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 294.900021] ? __sched_text_start+0x8/0x8 [ 294.904173] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.908948] ? find_held_lock+0x36/0x1c0 [ 294.913022] ? lock_acquire+0x1ed/0x520 [ 294.916996] ? bpf_test_run+0x3cb/0x780 [ 294.920969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.926507] ? check_preemption_disabled+0x48/0x280 [ 294.931530] ? kasan_check_read+0x11/0x20 [ 294.935676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.940954] ? rcu_softirq_qs+0x20/0x20 [ 294.944951] ? preempt_schedule+0x4d/0x60 [ 294.949097] ? ___preempt_schedule+0x16/0x18 [ 294.953516] ? bpf_test_run+0x25d/0x780 [ 294.957525] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.961931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.967471] ? bpf_test_init.isra.10+0x70/0x100 [ 294.972147] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 294.976913] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.981755] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.987289] ? fput+0x130/0x1a0 [ 294.990570] ? __bpf_prog_get+0x9b/0x290 [ 294.994638] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.999490] ? bpf_prog_test_run+0x130/0x1a0 [ 295.003904] ? __x64_sys_bpf+0x3d8/0x520 [ 295.007965] ? bpf_prog_get+0x20/0x20 [ 295.011785] ? do_syscall_64+0x1b9/0x820 [ 295.015859] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.021243] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.026183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.031028] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.036061] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.041077] ? prepare_exit_to_usermode+0x291/0x3b0 [ 295.046094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.050937] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.056327] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 295.056403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.063251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.063256] Call Trace: [ 295.063264] <IRQ> [ 295.063282] dump_stack+0x244/0x39d [ 295.063300] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.092652] warn_alloc.cold.116+0xb7/0x1bd [ 295.097000] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.097022] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.101851] ? lock_downgrade+0x900/0x900 [ 295.112333] syz-executor2 cpuset=syz2 mems_allowed=0 [ 295.116481] ? trace_hardirqs_off+0xb8/0x310 [ 295.125968] ? trace_hardirqs_off+0xb8/0x310 [ 295.130384] __alloc_pages_slowpath+0x26e8/0x2e10 [ 295.135251] ? warn_alloc+0x120/0x120 [ 295.139048] ? print_usage_bug+0xc0/0xc0 [ 295.143107] ? warn_alloc+0x120/0x120 [ 295.146973] ? warn_alloc+0x120/0x120 [ 295.150777] ? print_usage_bug+0xc0/0xc0 [ 295.154839] ? print_usage_bug+0xc0/0xc0 [ 295.158915] ? __lock_acquire+0x62f/0x4c20 [ 295.163155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.168690] ? should_fail+0x22d/0xd01 [ 295.172604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.177711] ? __lock_acquire+0x62f/0x4c20 [ 295.181957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.187072] ? __lock_acquire+0x62f/0x4c20 [ 295.191335] ? should_fail+0x22d/0xd01 [ 295.195220] ? find_held_lock+0x36/0x1c0 [ 295.199315] ? mark_held_locks+0x130/0x130 [ 295.203558] ? mark_held_locks+0x130/0x130 [ 295.207794] ? zap_class+0x640/0x640 [ 295.211520] ? zap_class+0x640/0x640 [ 295.215267] ? print_usage_bug+0xc0/0xc0 [ 295.219337] ? do_raw_spin_unlock+0xa7/0x330 [ 295.223739] ? zap_class+0x640/0x640 [ 295.227478] ? print_usage_bug+0xc0/0xc0 [ 295.231537] ? wq_watchdog_touch+0x9c/0xfe [ 295.235776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.241317] ? check_preemption_disabled+0x48/0x280 [ 295.246343] ? __lock_is_held+0xb5/0x140 [ 295.250410] __alloc_pages_nodemask+0xa80/0xde0 [ 295.255086] ? zap_class+0x640/0x640 [ 295.258822] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 295.263849] ? find_held_lock+0x36/0x1c0 [ 295.267923] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.272591] ? lock_downgrade+0x900/0x900 [ 295.276744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.282285] cache_grow_begin+0xa5/0x8c0 [ 295.286345] ? do_raw_spin_unlock+0xa7/0x330 [ 295.290758] fallback_alloc+0x204/0x2e0 [ 295.294739] ____cache_alloc_node+0x1c7/0x1e0 [ 295.299242] kmem_cache_alloc_node+0xe3/0x730 [ 295.303739] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.307984] __alloc_skb+0x119/0x770 [ 295.311708] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.316993] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.321403] ? lock_downgrade+0x900/0x900 [ 295.325567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.331110] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.336580] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.342033] ? addrconf_rs_timer+0x690/0x690 [ 295.346464] ndisc_alloc_skb+0x144/0x340 [ 295.350531] ndisc_send_rs+0x331/0x6e0 [ 295.354456] addrconf_rs_timer+0x314/0x690 [ 295.358706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.362950] call_timer_fn+0x272/0x920 [ 295.366836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.371071] ? process_timeout+0x40/0x40 [ 295.375142] ? mark_held_locks+0xc7/0x130 [ 295.379301] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.383812] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.388333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.392572] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.397158] ? trace_hardirqs_on+0xbd/0x310 [ 295.401484] ? kasan_check_read+0x11/0x20 [ 295.405629] ? __run_timers+0x7da/0xc70 [ 295.409603] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.414717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.418975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.423208] __run_timers+0x7e5/0xc70 [ 295.427032] ? timer_fixup_init+0x70/0x70 [ 295.431197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.436215] ? zap_class+0x640/0x640 [ 295.439933] ? print_usage_bug+0xc0/0xc0 [ 295.443993] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.449186] ? find_held_lock+0x36/0x1c0 [ 295.453253] ? zap_class+0x640/0x640 [ 295.456973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.462514] ? check_preemption_disabled+0x48/0x280 [ 295.467536] ? __lock_is_held+0xb5/0x140 [ 295.471607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.477144] ? check_preemption_disabled+0x48/0x280 [ 295.482169] run_timer_softirq+0x52/0xb0 [ 295.486230] ? rcu_read_lock_sched_held+0x14f/0x180 [ 295.491260] __do_softirq+0x308/0xb7e [ 295.495091] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.499587] ? lock_downgrade+0x900/0x900 [ 295.503743] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 295.508852] ? pvclock_read_flags+0x160/0x160 [ 295.513347] ? lapic_next_event+0x5a/0x90 [ 295.517502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.523044] ? kvm_clock_read+0x18/0x30 [ 295.527019] ? kvm_sched_clock_read+0x9/0x20 [ 295.531445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.536986] ? check_preemption_disabled+0x48/0x280 [ 295.542031] irq_exit+0x17f/0x1c0 [ 295.545505] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.550356] ? smp_reschedule_interrupt+0x109/0x650 [ 295.555375] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.561262] ? interrupt_entry+0xb5/0xc0 [ 295.565322] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.570335] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.575348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.580192] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.585209] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.590359] ? task_prio+0x50/0x50 [ 295.593913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.599469] ? check_preemption_disabled+0x48/0x280 [ 295.604490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.609341] apic_timer_interrupt+0xf/0x20 [ 295.613570] </IRQ> [ 295.615810] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 295.621000] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 295.639898] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.647603] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 295.654874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 295.662141] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 295.669610] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 295.676876] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 295.684195] retint_kernel+0x1b/0x2d [ 295.687928] RIP: 0010:dump_stack+0x358/0x39d [ 295.692335] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 295.711248] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 295.718952] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 295.726221] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 295.733487] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 295.740751] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 295.748015] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 295.755322] ? dump_stack+0x34f/0x39d [ 295.759137] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.764334] ? mark_held_locks+0x130/0x130 [ 295.768572] ? mark_held_locks+0x130/0x130 [ 295.772819] dump_header+0x27b/0xf72 [ 295.776561] ? pagefault_out_of_memory+0x197/0x197 [ 295.781500] ? __lock_acquire+0x62f/0x4c20 [ 295.785738] ? percpu_ref_get_many+0x240/0x240 [ 295.790326] ? print_usage_bug+0xc0/0xc0 [ 295.794396] ? zap_class+0x640/0x640 [ 295.798121] ? print_usage_bug+0xc0/0xc0 [ 295.802183] ? print_usage_bug+0xc0/0xc0 [ 295.806246] ? zap_class+0x640/0x640 [ 295.809969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.815515] ? find_held_lock+0x36/0x1c0 [ 295.819592] ? mark_held_locks+0xc7/0x130 [ 295.823753] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.828873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.833977] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 295.838560] ? trace_hardirqs_on+0xbd/0x310 [ 295.842886] ? kasan_check_read+0x11/0x20 [ 295.847031] ? ___ratelimit+0x3b4/0x672 [ 295.851009] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.856114] ? trace_hardirqs_on+0x310/0x310 [ 295.860522] ? lock_downgrade+0x900/0x900 [ 295.864679] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.869789] ? ___ratelimit+0x3b9/0x672 [ 295.873764] ? idr_get_free+0xf70/0xf70 [ 295.877739] ? find_held_lock+0x36/0x1c0 [ 295.881812] oom_kill_process.cold.27+0x10/0x903 [ 295.886568] ? zap_class+0x640/0x640 [ 295.890285] ? check_preemption_disabled+0x48/0x280 [ 295.895320] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.900274] ? kasan_check_read+0x11/0x20 [ 295.904446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.909729] ? oom_evaluate_task+0x540/0x540 [ 295.914140] ? find_held_lock+0x36/0x1c0 [ 295.918213] ? out_of_memory+0x974/0x1430 [ 295.922362] ? lock_downgrade+0x900/0x900 [ 295.926513] ? check_preemption_disabled+0x48/0x280 [ 295.931533] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.936466] ? kasan_check_read+0x11/0x20 [ 295.940615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.945891] ? rcu_softirq_qs+0x20/0x20 [ 295.949867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.955415] ? oom_evaluate_task+0x302/0x540 [ 295.959838] out_of_memory+0xa84/0x1430 [ 295.963819] ? oom_killer_disable+0x3a0/0x3a0 [ 295.968315] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 295.973250] ? __ww_mutex_check_waiters+0x160/0x160 [ 295.978274] __alloc_pages_slowpath+0x2354/0x2e10 [ 295.983138] ? warn_alloc+0x120/0x120 [ 295.986936] ? mark_held_locks+0x130/0x130 [ 295.991171] ? find_get_entry+0xaae/0x1120 [ 295.995415] ? filemap_map_pages+0x1a20/0x1a20 [ 296.000009] ? zap_class+0x640/0x640 [ 296.003729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.009278] ? check_preemption_disabled+0x48/0x280 [ 296.014291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.019840] ? should_fail+0x22d/0xd01 [ 296.023732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.028836] ? zap_class+0x640/0x640 [ 296.032583] ? __lock_is_held+0xb5/0x140 [ 296.036657] ? mark_held_locks+0x130/0x130 [ 296.040897] ? lock_release+0xa00/0xa00 [ 296.044872] ? perf_trace_sched_process_exec+0x860/0x860 [ 296.050322] ? xa_load+0x2ba/0x460 [ 296.053861] ? lock_downgrade+0x900/0x900 [ 296.058012] ? __might_sleep+0x95/0x190 [ 296.061989] __alloc_pages_nodemask+0xa80/0xde0 [ 296.066662] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 296.071679] ? __page_cache_alloc+0x191/0x5c0 [ 296.076178] ? xa_load+0x2e1/0x460 [ 296.079734] ? xa_clear_mark+0x40/0x40 [ 296.083626] ? zap_class+0x640/0x640 [ 296.087350] ? zap_class+0x640/0x640 [ 296.091078] ? zap_class+0x640/0x640 [ 296.094794] ? __do_page_cache_readahead+0x663/0x810 [ 296.099920] ? find_held_lock+0x36/0x1c0 [ 296.103984] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 296.109529] alloc_pages_current+0x173/0x350 [ 296.114034] __page_cache_alloc+0x38c/0x5c0 [ 296.118352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 296.123303] ? kasan_check_read+0x11/0x20 [ 296.127456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.132750] ? generic_perform_write+0x6a0/0x6a0 [ 296.137508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.143061] ? check_preemption_disabled+0x48/0x280 [ 296.148085] filemap_fault+0x1595/0x25f0 [ 296.152156] ? __lock_page_or_retry+0xa00/0xa00 [ 296.156828] ? mark_held_locks+0x130/0x130 [ 296.161094] ? filemap_map_pages+0xd6b/0x1a20 [ 296.165591] ? lock_downgrade+0x900/0x900 [ 296.169738] ? check_preemption_disabled+0x48/0x280 [ 296.174776] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 296.179711] ? kasan_check_read+0x11/0x20 [ 296.183856] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.189131] ? rcu_softirq_qs+0x20/0x20 [ 296.193114] ? filemap_map_pages+0xd92/0x1a20 [ 296.197617] ? print_usage_bug+0xc0/0xc0 [ 296.201689] ? find_get_entries_tag+0x1400/0x1400 [ 296.206552] ? __kasan_slab_free+0x102/0x150 [ 296.210960] ? kasan_slab_free+0xe/0x10 [ 296.214931] ? kmem_cache_free+0x83/0x290 [ 296.219077] ? __sigqueue_free.part.29+0x74/0x90 [ 296.223847] ? lock_acquire+0x1ed/0x520 [ 296.227838] ? ext4_filemap_fault+0x7a/0xad [ 296.232169] ? lock_release+0xa00/0xa00 [ 296.236141] ? perf_trace_sched_process_exec+0x860/0x860 [ 296.241596] ? print_usage_bug+0xc0/0xc0 [ 296.245660] ? print_usage_bug+0xc0/0xc0 [ 296.249739] ? down_read+0x8d/0x120 [ 296.253368] ? ext4_filemap_fault+0x7a/0xad [ 296.257723] ? __down_interruptible+0x700/0x700 [ 296.262457] ext4_filemap_fault+0x82/0xad [ 296.266609] __do_fault+0x100/0x6b0 [ 296.270253] ? pmd_devmap_trans_unstable+0x220/0x220 [ 296.275373] ? mark_held_locks+0x130/0x130 [ 296.279626] ? mark_held_locks+0x130/0x130 [ 296.283894] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 296.289441] ? rcu_pm_notify+0xc0/0xc0 [ 296.293340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.298885] __handle_mm_fault+0x3ea0/0x5be0 [ 296.303307] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 296.308153] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.312647] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.317229] ? trace_hardirqs_on+0xbd/0x310 [ 296.321550] ? kasan_check_read+0x11/0x20 [ 296.325693] ? __set_current_blocked+0xdf/0x120 [ 296.330397] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.335541] ? zap_class+0x640/0x640 [ 296.339256] ? zap_class+0x640/0x640 [ 296.342978] ? find_held_lock+0x36/0x1c0 [ 296.347049] ? handle_mm_fault+0x42a/0xc70 [ 296.351287] ? lock_downgrade+0x900/0x900 [ 296.355472] ? check_preemption_disabled+0x48/0x280 [ 296.360501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 296.365425] ? kasan_check_read+0x11/0x20 [ 296.369583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.374875] ? rcu_softirq_qs+0x20/0x20 [ 296.378846] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.383949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.389487] ? check_preemption_disabled+0x48/0x280 [ 296.394516] handle_mm_fault+0x54f/0xc70 [ 296.398584] ? __handle_mm_fault+0x5be0/0x5be0 [ 296.403185] ? find_vma+0x34/0x190 [ 296.406741] __do_page_fault+0x5e8/0xe60 [ 296.410803] ? exit_to_usermode_loop+0x1f4/0x380 [ 296.415571] do_page_fault+0xf2/0x7e0 [ 296.419379] ? vmalloc_sync_all+0x30/0x30 [ 296.423527] ? error_entry+0x70/0xd0 [ 296.427239] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.432251] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.437180] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.442105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.446952] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.451978] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.457440] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.462475] ? page_fault+0x8/0x30 [ 296.466033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.470895] ? page_fault+0x8/0x30 [ 296.474439] page_fault+0x1e/0x30 [ 296.477887] RIP: 0033:0x45db60 [ 296.481094] Code: Bad RIP value. [ 296.484504] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 296.489875] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 296.497141] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 296.504422] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 296.511722] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 296.518985] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 296.526270] warn_alloc_show_mem: 1 callbacks suppressed [ 296.526285] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 296.526287] Mem-Info: [ 296.526319] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 296.526319] active_file:10 inactive_file:13 isolated_file:0 [ 296.526319] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.526319] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 296.526319] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 296.526319] free:13762 free_pcp:404 free_cma:0 [ 296.531663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.538942] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.541340] Call Trace: [ 296.574233] 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 [ 296.583607] dump_stack+0x244/0x39d [ 296.610898] lowmem_reserve[]: 0 2818 6321 6321 [ 296.613483] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.639565] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 296.643198] warn_alloc.cold.116+0xb7/0x1bd [ 296.647744] lowmem_reserve[]: 0 0 3503 3503 [ 296.652931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.680400] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 296.684737] ? lock_downgrade+0x900/0x900 [ 296.689045] lowmem_reserve[]: 0 0 0 0 [ 296.693892] ? trace_hardirqs_off+0xb8/0x310 [ 296.722836] 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 [ 296.726984] ? trace_hardirqs_off+0xb8/0x310 [ 296.730753] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 296.735164] __alloc_pages_slowpath+0x26e8/0x2e10 [ 296.748656] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 296.753097] ? warn_alloc+0x120/0x120 [ 296.768486] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.773319] ? zap_class+0x640/0x640 [ 296.787340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.791127] ? warn_alloc+0x120/0x120 [ 296.799931] 267 total pagecache pages [ 296.803644] ? warn_alloc+0x120/0x120 [ 296.812198] 0 pages in swap cache [ 296.815992] ? print_usage_bug+0xc0/0xc0 [ 296.819767] Swap cache stats: add 0, delete 0, find 0/0 [ 296.823556] ? find_held_lock+0x36/0x1c0 [ 296.826984] Free swap = 0kB [ 296.831051] ? print_usage_bug+0xc0/0xc0 [ 296.836386] Total swap = 0kB [ 296.840494] ? cpuacct_charge+0x265/0x440 [ 296.843485] 1965979 pages RAM [ 296.847542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.850536] 0 pages HighMem/MovableOnly [ 296.854680] ? should_fail+0x22d/0xd01 [ 296.857754] 342853 pages reserved [ 296.863287] ? find_held_lock+0x36/0x1c0 [ 296.867233] 0 pages cma reserved [ 296.871142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.874650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.878635] ? __lock_acquire+0x62f/0x4c20 [ 296.878655] ? should_fail+0x22d/0xd01 [ 296.878680] ? mark_held_locks+0x130/0x130 [ 296.882084] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.887113] ? mark_held_locks+0x130/0x130 [ 296.893582] syz-fuzzer cpuset=/ mems_allowed=0 [ 296.897815] ? __lock_acquire+0x62f/0x4c20 [ 296.929126] ? zap_class+0x640/0x640 [ 296.932839] ? __lock_is_held+0xb5/0x140 [ 296.936921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.942479] ? check_preemption_disabled+0x48/0x280 [ 296.947507] ? __lock_is_held+0xb5/0x140 [ 296.951590] __alloc_pages_nodemask+0xa80/0xde0 [ 296.956279] ? zap_class+0x640/0x640 [ 296.959999] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 296.965030] ? find_held_lock+0x36/0x1c0 [ 296.969118] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.973790] ? lock_downgrade+0x900/0x900 [ 296.977952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.983504] cache_grow_begin+0xa5/0x8c0 [ 296.987574] ? do_raw_spin_unlock+0xa7/0x330 [ 296.992026] fallback_alloc+0x204/0x2e0 [ 296.996025] ____cache_alloc_node+0x1c7/0x1e0 [ 297.000536] kmem_cache_alloc+0x1f8/0x730 [ 297.004701] skb_clone+0x1bb/0x500 [ 297.008290] ? finish_task_switch+0x1b4/0x910 [ 297.012802] ? skb_split+0x11e0/0x11e0 [ 297.016699] ? preempt_notifier_register+0x200/0x200 [ 297.021832] ? __switch_to_asm+0x34/0x70 [ 297.025902] ? __switch_to_asm+0x34/0x70 [ 297.029967] ? __switch_to_asm+0x40/0x70 [ 297.034031] ? __switch_to_asm+0x34/0x70 [ 297.038099] ? __switch_to_asm+0x40/0x70 [ 297.042161] ? __switch_to_asm+0x34/0x70 [ 297.046226] ? __switch_to_asm+0x40/0x70 [ 297.050286] ? __switch_to_asm+0x34/0x70 [ 297.054348] ? __switch_to_asm+0x34/0x70 [ 297.058416] ? __switch_to_asm+0x40/0x70 [ 297.062499] ? __switch_to_asm+0x34/0x70 [ 297.066589] bpf_clone_redirect+0xb9/0x490 [ 297.070842] ? __schedule+0x8d7/0x21d0 [ 297.074743] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 297.079777] ? __sched_text_start+0x8/0x8 [ 297.083932] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.088710] ? find_held_lock+0x36/0x1c0 [ 297.092804] ? lock_acquire+0x1ed/0x520 [ 297.096787] ? bpf_test_run+0x3cb/0x780 [ 297.100768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.106317] ? check_preemption_disabled+0x48/0x280 [ 297.111357] ? kasan_check_read+0x11/0x20 [ 297.115519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.120804] ? rcu_softirq_qs+0x20/0x20 [ 297.124787] ? preempt_schedule+0x4d/0x60 [ 297.128944] ? ___preempt_schedule+0x16/0x18 [ 297.133368] ? bpf_test_run+0x25d/0x780 [ 297.137362] ? netlink_diag_dump+0x2a0/0x2a0 [ 297.141776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.147333] ? bpf_test_init.isra.10+0x70/0x100 [ 297.152024] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 297.156793] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 297.161638] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.167179] ? fput+0x130/0x1a0 [ 297.170473] ? __bpf_prog_get+0x9b/0x290 [ 297.174546] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 297.179393] ? bpf_prog_test_run+0x130/0x1a0 [ 297.183826] ? __x64_sys_bpf+0x3d8/0x520 [ 297.187889] ? bpf_prog_get+0x20/0x20 [ 297.191712] ? do_syscall_64+0x1b9/0x820 [ 297.195775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.201172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.206104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.210950] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.215971] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.220994] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.226019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.230873] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.236259] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 297.243190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.252575] Call Trace: [ 297.255169] <IRQ> [ 297.257331] dump_stack+0x244/0x39d [ 297.260971] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.266175] warn_alloc.cold.116+0xb7/0x1bd [ 297.270505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.273087] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.275357] ? lock_downgrade+0x900/0x900 [ 297.285820] syz-executor2 cpuset=syz2 mems_allowed=0 [ 297.289962] ? trace_hardirqs_off+0xb8/0x310 [ 297.299451] ? trace_hardirqs_off+0xb8/0x310 [ 297.303863] __alloc_pages_slowpath+0x26e8/0x2e10 [ 297.308754] ? warn_alloc+0x120/0x120 [ 297.312574] ? print_usage_bug+0xc0/0xc0 [ 297.316636] ? warn_alloc+0x120/0x120 [ 297.320488] ? warn_alloc+0x120/0x120 [ 297.324318] ? print_usage_bug+0xc0/0xc0 [ 297.328416] ? print_usage_bug+0xc0/0xc0 [ 297.332513] ? __lock_acquire+0x62f/0x4c20 [ 297.336760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.342319] ? should_fail+0x22d/0xd01 [ 297.346245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.351358] ? __lock_acquire+0x62f/0x4c20 [ 297.355600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.360708] ? __lock_acquire+0x62f/0x4c20 [ 297.364974] ? should_fail+0x22d/0xd01 [ 297.368894] ? find_held_lock+0x36/0x1c0 [ 297.372967] ? mark_held_locks+0x130/0x130 [ 297.377208] ? mark_held_locks+0x130/0x130 [ 297.381471] ? zap_class+0x640/0x640 [ 297.385184] ? zap_class+0x640/0x640 [ 297.388899] ? print_usage_bug+0xc0/0xc0 [ 297.392957] ? do_raw_spin_unlock+0xa7/0x330 [ 297.397398] ? zap_class+0x640/0x640 [ 297.401119] ? print_usage_bug+0xc0/0xc0 [ 297.405180] ? wq_watchdog_touch+0x9c/0xfe [ 297.409426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.414980] ? check_preemption_disabled+0x48/0x280 [ 297.420015] ? __lock_is_held+0xb5/0x140 [ 297.424087] __alloc_pages_nodemask+0xa80/0xde0 [ 297.428766] ? zap_class+0x640/0x640 [ 297.432494] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 297.437529] ? find_held_lock+0x36/0x1c0 [ 297.441604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.446280] ? lock_downgrade+0x900/0x900 [ 297.450447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.455998] cache_grow_begin+0xa5/0x8c0 [ 297.460068] ? do_raw_spin_unlock+0xa7/0x330 [ 297.464487] fallback_alloc+0x204/0x2e0 [ 297.468481] ____cache_alloc_node+0x1c7/0x1e0 [ 297.472999] kmem_cache_alloc_node+0xe3/0x730 [ 297.477527] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.481772] __alloc_skb+0x119/0x770 [ 297.485503] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.490790] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.495204] ? lock_downgrade+0x900/0x900 [ 297.499367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.504909] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.510367] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.515825] ? addrconf_rs_timer+0x690/0x690 [ 297.520249] ndisc_alloc_skb+0x144/0x340 [ 297.524351] ndisc_send_rs+0x331/0x6e0 [ 297.528248] addrconf_rs_timer+0x314/0x690 [ 297.532488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.536742] call_timer_fn+0x272/0x920 [ 297.540633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.544868] ? process_timeout+0x40/0x40 [ 297.548943] ? mark_held_locks+0xc7/0x130 [ 297.553094] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.557591] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.562088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.566328] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.570934] ? trace_hardirqs_on+0xbd/0x310 [ 297.575256] ? kasan_check_read+0x11/0x20 [ 297.579404] ? __run_timers+0x7da/0xc70 [ 297.583388] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.588499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.593226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.597467] __run_timers+0x7e5/0xc70 [ 297.601291] ? timer_fixup_init+0x70/0x70 [ 297.605454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.610477] ? zap_class+0x640/0x640 [ 297.614200] ? print_usage_bug+0xc0/0xc0 [ 297.618265] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.623468] ? find_held_lock+0x36/0x1c0 [ 297.627538] ? zap_class+0x640/0x640 [ 297.631263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.636806] ? check_preemption_disabled+0x48/0x280 [ 297.641833] ? __lock_is_held+0xb5/0x140 [ 297.645915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.651476] ? check_preemption_disabled+0x48/0x280 [ 297.656501] run_timer_softirq+0x52/0xb0 [ 297.660565] ? rcu_read_lock_sched_held+0x14f/0x180 [ 297.665589] __do_softirq+0x308/0xb7e [ 297.669395] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 297.673893] ? lock_downgrade+0x900/0x900 [ 297.678046] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 297.683172] ? pvclock_read_flags+0x160/0x160 [ 297.687671] ? lapic_next_event+0x5a/0x90 [ 297.691839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.697389] ? kvm_clock_read+0x18/0x30 [ 297.701365] ? kvm_sched_clock_read+0x9/0x20 [ 297.705779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.711320] ? check_preemption_disabled+0x48/0x280 [ 297.716346] irq_exit+0x17f/0x1c0 [ 297.719804] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.724759] ? smp_reschedule_interrupt+0x109/0x650 [ 297.729780] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.735662] ? interrupt_entry+0xb5/0xc0 [ 297.739730] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.744745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.749763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.754607] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.759619] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.764632] ? task_prio+0x50/0x50 [ 297.768171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.773714] ? check_preemption_disabled+0x48/0x280 [ 297.778748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.783599] apic_timer_interrupt+0xf/0x20 [ 297.787843] </IRQ> [ 297.790085] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 297.795273] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 297.814168] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.821873] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 297.829151] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 297.836455] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 297.843723] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 297.850989] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 297.858326] retint_kernel+0x1b/0x2d [ 297.862049] RIP: 0010:dump_stack+0x358/0x39d [ 297.866506] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 297.885416] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 297.893272] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 297.900565] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 297.907845] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 297.915128] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 297.922408] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 297.929728] ? dump_stack+0x34f/0x39d [ 297.933620] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.938823] ? mark_held_locks+0x130/0x130 [ 297.943063] ? mark_held_locks+0x130/0x130 [ 297.947305] dump_header+0x27b/0xf72 [ 297.951033] ? pagefault_out_of_memory+0x197/0x197 [ 297.955978] ? __lock_acquire+0x62f/0x4c20 [ 297.960219] ? percpu_ref_get_many+0x240/0x240 [ 297.964808] ? print_usage_bug+0xc0/0xc0 [ 297.968877] ? zap_class+0x640/0x640 [ 297.972598] ? print_usage_bug+0xc0/0xc0 [ 297.976664] ? print_usage_bug+0xc0/0xc0 [ 297.980745] ? zap_class+0x640/0x640 [ 297.984492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.990038] ? find_held_lock+0x36/0x1c0 [ 297.994115] ? mark_held_locks+0xc7/0x130 [ 297.998284] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.003403] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.008521] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.013112] ? trace_hardirqs_on+0xbd/0x310 [ 298.017445] ? kasan_check_read+0x11/0x20 [ 298.021599] ? ___ratelimit+0x3b4/0x672 [ 298.025575] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.030698] ? trace_hardirqs_on+0x310/0x310 [ 298.035116] ? lock_downgrade+0x900/0x900 [ 298.039269] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.044373] ? ___ratelimit+0x3b9/0x672 [ 298.048348] ? idr_get_free+0xf70/0xf70 [ 298.052318] ? find_held_lock+0x36/0x1c0 [ 298.056417] oom_kill_process.cold.27+0x10/0x903 [ 298.061193] ? zap_class+0x640/0x640 [ 298.064930] ? check_preemption_disabled+0x48/0x280 [ 298.069978] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.074922] ? kasan_check_read+0x11/0x20 [ 298.079069] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.084348] ? oom_evaluate_task+0x540/0x540 [ 298.088774] ? find_held_lock+0x36/0x1c0 [ 298.092841] ? out_of_memory+0x974/0x1430 [ 298.097005] ? lock_downgrade+0x900/0x900 [ 298.101165] ? check_preemption_disabled+0x48/0x280 [ 298.106181] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.111108] ? kasan_check_read+0x11/0x20 [ 298.115252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.120528] ? rcu_softirq_qs+0x20/0x20 [ 298.124506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.130043] ? oom_evaluate_task+0x302/0x540 [ 298.134460] out_of_memory+0xa84/0x1430 [ 298.138451] ? oom_killer_disable+0x3a0/0x3a0 [ 298.142964] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 298.147893] ? __ww_mutex_check_waiters+0x160/0x160 [ 298.152918] __alloc_pages_slowpath+0x2354/0x2e10 [ 298.157781] ? warn_alloc+0x120/0x120 [ 298.161577] ? mark_held_locks+0x130/0x130 [ 298.165830] ? find_get_entry+0xaae/0x1120 [ 298.170094] ? filemap_map_pages+0x1a20/0x1a20 [ 298.174690] ? zap_class+0x640/0x640 [ 298.178423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.183998] ? check_preemption_disabled+0x48/0x280 [ 298.189009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.194557] ? should_fail+0x22d/0xd01 [ 298.198450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.203559] ? zap_class+0x640/0x640 [ 298.207298] ? __lock_is_held+0xb5/0x140 [ 298.211367] ? mark_held_locks+0x130/0x130 [ 298.215608] ? lock_release+0xa00/0xa00 [ 298.219603] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.225072] ? xa_load+0x2ba/0x460 [ 298.228658] ? lock_downgrade+0x900/0x900 [ 298.232815] ? __might_sleep+0x95/0x190 [ 298.236827] __alloc_pages_nodemask+0xa80/0xde0 [ 298.241528] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 298.246549] ? __page_cache_alloc+0x191/0x5c0 [ 298.251062] ? xa_load+0x2e1/0x460 [ 298.254608] ? xa_clear_mark+0x40/0x40 [ 298.258507] ? zap_class+0x640/0x640 [ 298.262247] ? zap_class+0x640/0x640 [ 298.265965] ? zap_class+0x640/0x640 [ 298.269686] ? __do_page_cache_readahead+0x663/0x810 [ 298.274808] ? find_held_lock+0x36/0x1c0 [ 298.278880] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.284428] alloc_pages_current+0x173/0x350 [ 298.288878] __page_cache_alloc+0x38c/0x5c0 [ 298.293201] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.298134] ? kasan_check_read+0x11/0x20 [ 298.302289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.307573] ? generic_perform_write+0x6a0/0x6a0 [ 298.312340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.317883] ? check_preemption_disabled+0x48/0x280 [ 298.322914] filemap_fault+0x1595/0x25f0 [ 298.326993] ? __lock_page_or_retry+0xa00/0xa00 [ 298.331669] ? mark_held_locks+0x130/0x130 [ 298.335924] ? filemap_map_pages+0xd6b/0x1a20 [ 298.340425] ? lock_downgrade+0x900/0x900 [ 298.344585] ? check_preemption_disabled+0x48/0x280 [ 298.349607] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.354544] ? kasan_check_read+0x11/0x20 [ 298.358695] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.363985] ? rcu_softirq_qs+0x20/0x20 [ 298.367979] ? filemap_map_pages+0xd92/0x1a20 [ 298.372490] ? print_usage_bug+0xc0/0xc0 [ 298.376587] ? find_get_entries_tag+0x1400/0x1400 [ 298.381441] ? __kasan_slab_free+0x102/0x150 [ 298.385854] ? kasan_slab_free+0xe/0x10 [ 298.389831] ? kmem_cache_free+0x83/0x290 [ 298.393982] ? __sigqueue_free.part.29+0x74/0x90 [ 298.398760] ? lock_acquire+0x1ed/0x520 [ 298.402783] ? ext4_filemap_fault+0x7a/0xad [ 298.407129] ? lock_release+0xa00/0xa00 [ 298.411100] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.416576] ? print_usage_bug+0xc0/0xc0 [ 298.420638] ? print_usage_bug+0xc0/0xc0 [ 298.424720] ? down_read+0x8d/0x120 [ 298.428348] ? ext4_filemap_fault+0x7a/0xad [ 298.432674] ? __down_interruptible+0x700/0x700 [ 298.437360] ext4_filemap_fault+0x82/0xad [ 298.441512] __do_fault+0x100/0x6b0 [ 298.445143] ? pmd_devmap_trans_unstable+0x220/0x220 [ 298.450251] ? mark_held_locks+0x130/0x130 [ 298.454486] ? mark_held_locks+0x130/0x130 [ 298.458724] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 298.464257] ? rcu_pm_notify+0xc0/0xc0 [ 298.468150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.473727] __handle_mm_fault+0x3ea0/0x5be0 [ 298.478145] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 298.482980] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.487474] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.492054] ? trace_hardirqs_on+0xbd/0x310 [ 298.496373] ? kasan_check_read+0x11/0x20 [ 298.500532] ? __set_current_blocked+0xdf/0x120 [ 298.505202] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.510314] ? zap_class+0x640/0x640 [ 298.514029] ? zap_class+0x640/0x640 [ 298.517749] ? find_held_lock+0x36/0x1c0 [ 298.521820] ? handle_mm_fault+0x42a/0xc70 [ 298.526059] ? lock_downgrade+0x900/0x900 [ 298.530204] ? check_preemption_disabled+0x48/0x280 [ 298.535226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.540156] ? kasan_check_read+0x11/0x20 [ 298.544303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.549577] ? rcu_softirq_qs+0x20/0x20 [ 298.553579] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.558685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.564232] ? check_preemption_disabled+0x48/0x280 [ 298.569293] handle_mm_fault+0x54f/0xc70 [ 298.573377] ? __handle_mm_fault+0x5be0/0x5be0 [ 298.578024] ? find_vma+0x34/0x190 [ 298.581573] __do_page_fault+0x5e8/0xe60 [ 298.585637] ? exit_to_usermode_loop+0x1f4/0x380 [ 298.590406] do_page_fault+0xf2/0x7e0 [ 298.594216] ? vmalloc_sync_all+0x30/0x30 [ 298.598372] ? error_entry+0x70/0xd0 [ 298.602092] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.607116] ? trace_hardirqs_on_caller+0xc0/0x310 [ 298.612051] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.616981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.621841] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.626860] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.632319] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.637339] ? page_fault+0x8/0x30 [ 298.640883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.645741] ? page_fault+0x8/0x30 [ 298.649290] page_fault+0x1e/0x30 [ 298.652749] RIP: 0033:0x45db60 [ 298.655969] Code: Bad RIP value. [ 298.659333] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 298.664714] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 298.672003] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 298.679274] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 298.686550] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 298.693824] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 298.701132] warn_alloc_show_mem: 1 callbacks suppressed [ 298.701145] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 298.701147] Mem-Info: [ 298.701179] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 298.701179] active_file:10 inactive_file:13 isolated_file:0 [ 298.701179] unevictable:0 dirty:0 writeback:0 unstable:0 [ 298.701179] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 298.701179] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 298.701179] free:13762 free_pcp:404 free_cma:0 [ 298.706523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.713804] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 298.716210] Call Trace: [ 298.748982] 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 [ 298.758337] dump_stack+0x244/0x39d [ 298.785637] lowmem_reserve[]: 0 2818 6321 6321 [ 298.788221] ? dump_stack_print_info.cold.1+0x20/0x20 [ 298.814296] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 298.817932] warn_alloc.cold.116+0xb7/0x1bd [ 298.822480] lowmem_reserve[]: 0 0 3503 3503 [ 298.827666] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.855138] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 298.859462] ? lock_downgrade+0x900/0x900 [ 298.863754] lowmem_reserve[]: 0 0 0 0 [ 298.868598] ? trace_hardirqs_off+0xb8/0x310 [ 298.897541] 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 [ 298.901703] ? trace_hardirqs_off+0xb8/0x310 [ 298.905479] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 298.909886] __alloc_pages_slowpath+0x26e8/0x2e10 [ 298.923375] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 298.927830] ? warn_alloc+0x120/0x120 [ 298.943216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.943230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.948069] ? zap_class+0x640/0x640 [ 298.962089] 267 total pagecache pages [ 298.965879] ? warn_alloc+0x120/0x120 [ 298.974695] 0 pages in swap cache [ 298.983255] ? warn_alloc+0x120/0x120 [ 298.986945] Swap cache stats: add 0, delete 0, find 0/0 [ 298.990737] ? print_usage_bug+0xc0/0xc0 [ 298.994529] Free swap = 0kB [ 298.998015] ? find_held_lock+0x36/0x1c0 [ 299.001791] Total swap = 0kB [ 299.007146] ? print_usage_bug+0xc0/0xc0 [ 299.011179] 1965979 pages RAM [ 299.014192] ? cpuacct_charge+0x265/0x440 [ 299.018241] 0 pages HighMem/MovableOnly [ 299.021256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.025290] 342853 pages reserved [ 299.028394] ? should_fail+0x22d/0xd01 [ 299.032513] 0 pages cma reserved [ 299.036495] ? find_held_lock+0x36/0x1c0 [ 299.042107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.045455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.049523] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.052678] ? __lock_acquire+0x62f/0x4c20 [ 299.056712] syz-fuzzer cpuset=/ mems_allowed=0 [ 299.063195] ? should_fail+0x22d/0xd01 [ 299.091151] ? mark_held_locks+0x130/0x130 [ 299.095392] ? mark_held_locks+0x130/0x130 [ 299.099629] ? __lock_acquire+0x62f/0x4c20 [ 299.103873] ? zap_class+0x640/0x640 [ 299.107585] ? __lock_is_held+0xb5/0x140 [ 299.111650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.117195] ? check_preemption_disabled+0x48/0x280 [ 299.122231] ? __lock_is_held+0xb5/0x140 [ 299.126305] __alloc_pages_nodemask+0xa80/0xde0 [ 299.130976] ? zap_class+0x640/0x640 [ 299.134698] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 299.139726] ? find_held_lock+0x36/0x1c0 [ 299.143799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.148503] ? lock_downgrade+0x900/0x900 [ 299.152661] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.158213] cache_grow_begin+0xa5/0x8c0 [ 299.162273] ? do_raw_spin_unlock+0xa7/0x330 [ 299.166691] fallback_alloc+0x204/0x2e0 [ 299.170677] ____cache_alloc_node+0x1c7/0x1e0 [ 299.175176] kmem_cache_alloc+0x1f8/0x730 [ 299.179360] skb_clone+0x1bb/0x500 [ 299.182906] ? finish_task_switch+0x2f4/0x910 [ 299.187405] ? skb_split+0x11e0/0x11e0 [ 299.191335] ? preempt_notifier_register+0x200/0x200 [ 299.196443] ? __switch_to_asm+0x34/0x70 [ 299.200503] ? __switch_to_asm+0x34/0x70 [ 299.204562] ? __switch_to_asm+0x40/0x70 [ 299.208654] ? __switch_to_asm+0x34/0x70 [ 299.212714] ? __switch_to_asm+0x40/0x70 [ 299.216787] ? __switch_to_asm+0x34/0x70 [ 299.220845] ? __switch_to_asm+0x40/0x70 [ 299.224906] ? __switch_to_asm+0x34/0x70 [ 299.228997] ? __switch_to_asm+0x34/0x70 [ 299.233060] ? __switch_to_asm+0x40/0x70 [ 299.237117] ? __switch_to_asm+0x34/0x70 [ 299.241186] bpf_clone_redirect+0xb9/0x490 [ 299.245437] ? __schedule+0x8d7/0x21d0 [ 299.249333] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 299.254355] ? __sched_text_start+0x8/0x8 [ 299.258506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.263287] ? find_held_lock+0x36/0x1c0 [ 299.267354] ? lock_acquire+0x1ed/0x520 [ 299.271323] ? bpf_test_run+0x3cb/0x780 [ 299.275295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.280833] ? check_preemption_disabled+0x48/0x280 [ 299.285878] ? kasan_check_read+0x11/0x20 [ 299.290042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.295344] ? rcu_softirq_qs+0x20/0x20 [ 299.299319] ? preempt_schedule+0x4d/0x60 [ 299.303498] ? ___preempt_schedule+0x16/0x18 [ 299.307913] ? bpf_test_run+0x25d/0x780 [ 299.311907] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.316319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.321858] ? bpf_test_init.isra.10+0x70/0x100 [ 299.326535] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 299.331322] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 299.336162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.341699] ? fput+0x130/0x1a0 [ 299.344981] ? __bpf_prog_get+0x9b/0x290 [ 299.349050] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 299.353910] ? bpf_prog_test_run+0x130/0x1a0 [ 299.358351] ? __x64_sys_bpf+0x3d8/0x520 [ 299.362410] ? bpf_prog_get+0x20/0x20 [ 299.366243] ? do_syscall_64+0x1b9/0x820 [ 299.370305] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.375691] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.380654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.385502] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.390544] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.395576] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.400628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.405479] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.410858] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 299.417784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.427151] Call Trace: [ 299.429733] <IRQ> [ 299.431890] dump_stack+0x244/0x39d [ 299.435525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.436609] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.440731] warn_alloc.cold.116+0xb7/0x1bd [ 299.451195] syz-executor2 cpuset=syz2 mems_allowed=0 [ 299.455510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.465428] ? lock_downgrade+0x900/0x900 [ 299.469594] ? trace_hardirqs_off+0xb8/0x310 [ 299.474003] ? trace_hardirqs_off+0xb8/0x310 [ 299.478417] __alloc_pages_slowpath+0x26e8/0x2e10 [ 299.483297] ? warn_alloc+0x120/0x120 [ 299.487096] ? print_usage_bug+0xc0/0xc0 [ 299.491168] ? warn_alloc+0x120/0x120 [ 299.494977] ? warn_alloc+0x120/0x120 [ 299.498776] ? print_usage_bug+0xc0/0xc0 [ 299.502841] ? print_usage_bug+0xc0/0xc0 [ 299.506898] ? __lock_acquire+0x62f/0x4c20 [ 299.511128] ? __lock_acquire+0x62f/0x4c20 [ 299.515363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.520898] ? should_fail+0x22d/0xd01 [ 299.524830] ? __lock_acquire+0x62f/0x4c20 [ 299.529080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.534182] ? __lock_acquire+0x62f/0x4c20 [ 299.538420] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.543527] ? __lock_acquire+0x62f/0x4c20 [ 299.547758] ? should_fail+0x22d/0xd01 [ 299.551653] ? mark_held_locks+0x130/0x130 [ 299.555893] ? mark_held_locks+0x130/0x130 [ 299.560135] ? zap_class+0x640/0x640 [ 299.563854] ? print_usage_bug+0xc0/0xc0 [ 299.567934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.573472] ? check_preemption_disabled+0x48/0x280 [ 299.578494] ? __lock_is_held+0xb5/0x140 [ 299.582572] __alloc_pages_nodemask+0xa80/0xde0 [ 299.587237] ? zap_class+0x640/0x640 [ 299.591192] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 299.596217] ? find_held_lock+0x36/0x1c0 [ 299.600285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.604955] ? lock_downgrade+0x900/0x900 [ 299.609111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.614653] cache_grow_begin+0xa5/0x8c0 [ 299.618731] ? do_raw_spin_unlock+0xa7/0x330 [ 299.623145] fallback_alloc+0x204/0x2e0 [ 299.627123] ____cache_alloc_node+0x1c7/0x1e0 [ 299.631639] kmem_cache_alloc_node+0xe3/0x730 [ 299.636151] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.640394] __alloc_skb+0x119/0x770 [ 299.644117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.649392] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.653792] ? lock_downgrade+0x900/0x900 [ 299.657956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.663488] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.668931] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.674374] ? addrconf_rs_timer+0x690/0x690 [ 299.678797] ndisc_alloc_skb+0x144/0x340 [ 299.682866] ndisc_send_rs+0x331/0x6e0 [ 299.686758] addrconf_rs_timer+0x314/0x690 [ 299.691018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.695291] call_timer_fn+0x272/0x920 [ 299.699184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.703437] ? process_timeout+0x40/0x40 [ 299.707515] ? mark_held_locks+0xc7/0x130 [ 299.711662] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.716153] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.720659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.725107] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.729740] ? trace_hardirqs_on+0xbd/0x310 [ 299.734065] ? kasan_check_read+0x11/0x20 [ 299.738211] ? __run_timers+0x7da/0xc70 [ 299.742184] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.747302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.751536] __run_timers+0x7e5/0xc70 [ 299.755380] ? timer_fixup_init+0x70/0x70 [ 299.759552] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.764585] ? zap_class+0x640/0x640 [ 299.768308] ? print_usage_bug+0xc0/0xc0 [ 299.772377] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.777574] ? find_held_lock+0x36/0x1c0 [ 299.781662] ? zap_class+0x640/0x640 [ 299.785398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.790960] ? check_preemption_disabled+0x48/0x280 [ 299.795998] ? __lock_is_held+0xb5/0x140 [ 299.800102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.805638] ? check_preemption_disabled+0x48/0x280 [ 299.810658] run_timer_softirq+0x52/0xb0 [ 299.814723] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.819742] __do_softirq+0x308/0xb7e [ 299.823563] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 299.828059] ? lock_downgrade+0x900/0x900 [ 299.832228] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.837338] ? pvclock_read_flags+0x160/0x160 [ 299.841833] ? lapic_next_event+0x5a/0x90 [ 299.846002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.851544] ? kvm_clock_read+0x18/0x30 [ 299.855521] ? kvm_sched_clock_read+0x9/0x20 [ 299.859942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.865484] ? check_preemption_disabled+0x48/0x280 [ 299.870508] irq_exit+0x17f/0x1c0 [ 299.873965] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.878818] ? smp_reschedule_interrupt+0x109/0x650 [ 299.883835] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.889750] ? interrupt_entry+0xb5/0xc0 [ 299.893840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.898882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.903901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.908758] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.913787] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.918805] ? task_prio+0x50/0x50 [ 299.922359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.927897] ? check_preemption_disabled+0x48/0x280 [ 299.932921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.937774] apic_timer_interrupt+0xf/0x20 [ 299.942016] </IRQ> [ 299.944257] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 299.949453] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 299.968350] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.976075] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 299.983343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 299.990612] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 299.997881] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 300.005146] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 300.012455] retint_kernel+0x1b/0x2d [ 300.016175] RIP: 0010:dump_stack+0x358/0x39d [ 300.020580] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 300.039477] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 300.047197] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 300.054457] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 300.061730] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 300.068992] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 300.076257] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 300.083556] ? dump_stack+0x34f/0x39d [ 300.087364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.092576] ? mark_held_locks+0x130/0x130 [ 300.096807] ? mark_held_locks+0x130/0x130 [ 300.101041] dump_header+0x27b/0xf72 [ 300.104761] ? pagefault_out_of_memory+0x197/0x197 [ 300.109696] ? __lock_acquire+0x62f/0x4c20 [ 300.113937] ? percpu_ref_get_many+0x240/0x240 [ 300.118524] ? print_usage_bug+0xc0/0xc0 [ 300.122608] ? zap_class+0x640/0x640 [ 300.126340] ? print_usage_bug+0xc0/0xc0 [ 300.130396] ? print_usage_bug+0xc0/0xc0 [ 300.134461] ? zap_class+0x640/0x640 [ 300.138176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.143718] ? find_held_lock+0x36/0x1c0 [ 300.147799] ? mark_held_locks+0xc7/0x130 [ 300.151977] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.157104] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.162206] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.166786] ? trace_hardirqs_on+0xbd/0x310 [ 300.171119] ? kasan_check_read+0x11/0x20 [ 300.175290] ? ___ratelimit+0x3b4/0x672 [ 300.179266] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.184368] ? trace_hardirqs_on+0x310/0x310 [ 300.188779] ? lock_downgrade+0x900/0x900 [ 300.192933] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.198040] ? ___ratelimit+0x3b9/0x672 [ 300.202061] ? idr_get_free+0xf70/0xf70 [ 300.206032] ? find_held_lock+0x36/0x1c0 [ 300.210102] oom_kill_process.cold.27+0x10/0x903 [ 300.214859] ? zap_class+0x640/0x640 [ 300.218589] ? check_preemption_disabled+0x48/0x280 [ 300.223606] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.228531] ? kasan_check_read+0x11/0x20 [ 300.232681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.237965] ? oom_evaluate_task+0x540/0x540 [ 300.242377] ? find_held_lock+0x36/0x1c0 [ 300.246456] ? out_of_memory+0x974/0x1430 [ 300.250606] ? lock_downgrade+0x900/0x900 [ 300.254748] ? check_preemption_disabled+0x48/0x280 [ 300.259764] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.264696] ? kasan_check_read+0x11/0x20 [ 300.268845] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.274116] ? rcu_softirq_qs+0x20/0x20 [ 300.278096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.283644] ? oom_evaluate_task+0x302/0x540 [ 300.288069] out_of_memory+0xa84/0x1430 [ 300.292049] ? oom_killer_disable+0x3a0/0x3a0 [ 300.296544] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 300.301474] ? __ww_mutex_check_waiters+0x160/0x160 [ 300.306495] __alloc_pages_slowpath+0x2354/0x2e10 [ 300.311359] ? warn_alloc+0x120/0x120 [ 300.315152] ? mark_held_locks+0x130/0x130 [ 300.319401] ? find_get_entry+0xaae/0x1120 [ 300.323646] ? filemap_map_pages+0x1a20/0x1a20 [ 300.328228] ? zap_class+0x640/0x640 [ 300.331950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.337534] ? check_preemption_disabled+0x48/0x280 [ 300.342545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.348080] ? should_fail+0x22d/0xd01 [ 300.351969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.357088] ? zap_class+0x640/0x640 [ 300.360851] ? __lock_is_held+0xb5/0x140 [ 300.364931] ? mark_held_locks+0x130/0x130 [ 300.369178] ? lock_release+0xa00/0xa00 [ 300.373175] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.378622] ? xa_load+0x2ba/0x460 [ 300.382162] ? lock_downgrade+0x900/0x900 [ 300.386307] ? __might_sleep+0x95/0x190 [ 300.390281] __alloc_pages_nodemask+0xa80/0xde0 [ 300.394970] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 300.399981] ? __page_cache_alloc+0x191/0x5c0 [ 300.404498] ? xa_load+0x2e1/0x460 [ 300.408062] ? xa_clear_mark+0x40/0x40 [ 300.412006] ? zap_class+0x640/0x640 [ 300.415734] ? zap_class+0x640/0x640 [ 300.419451] ? zap_class+0x640/0x640 [ 300.423159] ? __do_page_cache_readahead+0x663/0x810 [ 300.428268] ? find_held_lock+0x36/0x1c0 [ 300.432335] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.437895] alloc_pages_current+0x173/0x350 [ 300.442324] __page_cache_alloc+0x38c/0x5c0 [ 300.446638] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.451563] ? kasan_check_read+0x11/0x20 [ 300.455731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.461044] ? generic_perform_write+0x6a0/0x6a0 [ 300.465816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.471363] ? check_preemption_disabled+0x48/0x280 [ 300.476388] filemap_fault+0x1595/0x25f0 [ 300.480469] ? __lock_page_or_retry+0xa00/0xa00 [ 300.485144] ? mark_held_locks+0x130/0x130 [ 300.489384] ? filemap_map_pages+0xd6b/0x1a20 [ 300.493879] ? lock_downgrade+0x900/0x900 [ 300.498029] ? check_preemption_disabled+0x48/0x280 [ 300.503042] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.507993] ? kasan_check_read+0x11/0x20 [ 300.512135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.517408] ? rcu_softirq_qs+0x20/0x20 [ 300.521392] ? filemap_map_pages+0xd92/0x1a20 [ 300.525921] ? print_usage_bug+0xc0/0xc0 [ 300.530011] ? find_get_entries_tag+0x1400/0x1400 [ 300.534871] ? __kasan_slab_free+0x102/0x150 [ 300.539297] ? kasan_slab_free+0xe/0x10 [ 300.543272] ? kmem_cache_free+0x83/0x290 [ 300.547439] ? __sigqueue_free.part.29+0x74/0x90 [ 300.552221] ? lock_acquire+0x1ed/0x520 [ 300.556198] ? ext4_filemap_fault+0x7a/0xad [ 300.560530] ? lock_release+0xa00/0xa00 [ 300.564514] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.569968] ? print_usage_bug+0xc0/0xc0 [ 300.574030] ? print_usage_bug+0xc0/0xc0 [ 300.578106] ? down_read+0x8d/0x120 [ 300.581732] ? ext4_filemap_fault+0x7a/0xad [ 300.586054] ? __down_interruptible+0x700/0x700 [ 300.590739] ext4_filemap_fault+0x82/0xad [ 300.594888] __do_fault+0x100/0x6b0 [ 300.598524] ? pmd_devmap_trans_unstable+0x220/0x220 [ 300.603631] ? mark_held_locks+0x130/0x130 [ 300.607867] ? mark_held_locks+0x130/0x130 [ 300.612108] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 300.617690] ? rcu_pm_notify+0xc0/0xc0 [ 300.621592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.627132] __handle_mm_fault+0x3ea0/0x5be0 [ 300.631547] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 300.636383] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.640878] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.645469] ? trace_hardirqs_on+0xbd/0x310 [ 300.649788] ? kasan_check_read+0x11/0x20 [ 300.653937] ? __set_current_blocked+0xdf/0x120 [ 300.658622] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.663739] ? zap_class+0x640/0x640 [ 300.667461] ? zap_class+0x640/0x640 [ 300.671196] ? find_held_lock+0x36/0x1c0 [ 300.675270] ? handle_mm_fault+0x42a/0xc70 [ 300.679507] ? lock_downgrade+0x900/0x900 [ 300.683658] ? check_preemption_disabled+0x48/0x280 [ 300.688682] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.693623] ? kasan_check_read+0x11/0x20 [ 300.697769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.703065] ? rcu_softirq_qs+0x20/0x20 [ 300.707042] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.712147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.717687] ? check_preemption_disabled+0x48/0x280 [ 300.722748] handle_mm_fault+0x54f/0xc70 [ 300.726812] ? __handle_mm_fault+0x5be0/0x5be0 [ 300.731402] ? find_vma+0x34/0x190 [ 300.734957] __do_page_fault+0x5e8/0xe60 [ 300.739019] ? exit_to_usermode_loop+0x1f4/0x380 [ 300.743784] do_page_fault+0xf2/0x7e0 [ 300.747583] ? vmalloc_sync_all+0x30/0x30 [ 300.751741] ? error_entry+0x70/0xd0 [ 300.755459] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.760475] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.765409] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.770379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.775245] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.780264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.785771] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.790819] ? page_fault+0x8/0x30 [ 300.794371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.799215] ? page_fault+0x8/0x30 [ 300.802772] page_fault+0x1e/0x30 [ 300.806222] RIP: 0033:0x45db60 [ 300.809429] Code: Bad RIP value. [ 300.812801] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 300.818181] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 300.825456] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 300.832724] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 300.839987] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 300.847254] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 300.854545] warn_alloc_show_mem: 1 callbacks suppressed [ 300.854559] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 300.854561] Mem-Info: [ 300.854607] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 300.854607] active_file:10 inactive_file:13 isolated_file:0 [ 300.854607] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.854607] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 300.854607] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 300.854607] free:13762 free_pcp:404 free_cma:0 [ 300.859951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.867235] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.869633] Call Trace: [ 300.902408] 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 [ 300.911773] dump_stack+0x244/0x39d [ 300.939067] lowmem_reserve[]: 0 2818 6321 6321 [ 300.941654] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.967738] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 300.971368] warn_alloc.cold.116+0xb7/0x1bd [ 300.975914] lowmem_reserve[]: 0 0 3503 3503 [ 300.981098] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.008571] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 301.012890] ? lock_downgrade+0x900/0x900 [ 301.017176] lowmem_reserve[]: 0 0 0 0 [ 301.022058] ? trace_hardirqs_off+0xb8/0x310 [ 301.051002] 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 [ 301.055157] ? trace_hardirqs_off+0xb8/0x310 [ 301.058945] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 301.063360] __alloc_pages_slowpath+0x26e8/0x2e10 [ 301.076848] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 301.081271] ? warn_alloc+0x120/0x120 [ 301.096671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.101496] ? zap_class+0x640/0x640 [ 301.115533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.119318] ? warn_alloc+0x120/0x120 [ 301.128133] 267 total pagecache pages [ 301.131854] ? warn_alloc+0x120/0x120 [ 301.140410] 0 pages in swap cache [ 301.144211] ? print_usage_bug+0xc0/0xc0 [ 301.147985] Swap cache stats: add 0, delete 0, find 0/0 [ 301.151775] ? find_held_lock+0x36/0x1c0 [ 301.155202] Free swap = 0kB [ 301.159261] ? print_usage_bug+0xc0/0xc0 [ 301.164601] Total swap = 0kB [ 301.168653] ? cpuacct_charge+0x265/0x440 [ 301.171650] 1965979 pages RAM [ 301.175706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.178713] 0 pages HighMem/MovableOnly [ 301.182872] ? should_fail+0x22d/0xd01 [ 301.185954] 342853 pages reserved [ 301.191488] ? find_held_lock+0x36/0x1c0 [ 301.195446] 0 pages cma reserved [ 301.199327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.202843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.206802] ? __lock_acquire+0x62f/0x4c20 [ 301.210224] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.215243] ? should_fail+0x22d/0xd01 [ 301.221710] syz-fuzzer cpuset=/ mems_allowed=0 [ 301.225942] ? mark_held_locks+0x130/0x130 [ 301.248829] ? mark_held_locks+0x130/0x130 [ 301.253068] ? __lock_acquire+0x62f/0x4c20 [ 301.257324] ? zap_class+0x640/0x640 [ 301.261039] ? __lock_is_held+0xb5/0x140 [ 301.265105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.270655] ? check_preemption_disabled+0x48/0x280 [ 301.275680] ? __lock_is_held+0xb5/0x140 [ 301.279758] __alloc_pages_nodemask+0xa80/0xde0 [ 301.284428] ? zap_class+0x640/0x640 [ 301.288155] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 301.293183] ? find_held_lock+0x36/0x1c0 [ 301.297264] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.301938] ? lock_downgrade+0x900/0x900 [ 301.306129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.311675] cache_grow_begin+0xa5/0x8c0 [ 301.315757] ? do_raw_spin_unlock+0xa7/0x330 [ 301.320188] fallback_alloc+0x204/0x2e0 [ 301.324172] ____cache_alloc_node+0x1c7/0x1e0 [ 301.328678] kmem_cache_alloc+0x1f8/0x730 [ 301.332846] skb_clone+0x1bb/0x500 [ 301.336404] ? finish_task_switch+0x2f4/0x910 [ 301.340912] ? skb_split+0x11e0/0x11e0 [ 301.344817] ? preempt_notifier_register+0x200/0x200 [ 301.349932] ? __switch_to_asm+0x34/0x70 [ 301.353996] ? __switch_to_asm+0x34/0x70 [ 301.358055] ? __switch_to_asm+0x40/0x70 [ 301.362112] ? __switch_to_asm+0x34/0x70 [ 301.366172] ? __switch_to_asm+0x40/0x70 [ 301.370232] ? __switch_to_asm+0x34/0x70 [ 301.374291] ? __switch_to_asm+0x40/0x70 [ 301.378370] ? __switch_to_asm+0x34/0x70 [ 301.382427] ? __switch_to_asm+0x34/0x70 [ 301.386496] ? __switch_to_asm+0x40/0x70 [ 301.390552] ? __switch_to_asm+0x34/0x70 [ 301.394621] bpf_clone_redirect+0xb9/0x490 [ 301.398861] ? __schedule+0x8d7/0x21d0 [ 301.402767] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 301.407799] ? __sched_text_start+0x8/0x8 [ 301.411963] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.416778] ? find_held_lock+0x36/0x1c0 [ 301.420861] ? lock_acquire+0x1ed/0x520 [ 301.424839] ? bpf_test_run+0x3cb/0x780 [ 301.428813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.434352] ? check_preemption_disabled+0x48/0x280 [ 301.439369] ? kasan_check_read+0x11/0x20 [ 301.443527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.448798] ? rcu_softirq_qs+0x20/0x20 [ 301.452782] ? preempt_schedule+0x4d/0x60 [ 301.456924] ? ___preempt_schedule+0x16/0x18 [ 301.461331] ? bpf_test_run+0x25d/0x780 [ 301.465313] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.469735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.475267] ? bpf_test_init.isra.10+0x70/0x100 [ 301.479955] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 301.484717] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.489554] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.495088] ? fput+0x130/0x1a0 [ 301.498363] ? __bpf_prog_get+0x9b/0x290 [ 301.502428] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.507277] ? bpf_prog_test_run+0x130/0x1a0 [ 301.511689] ? __x64_sys_bpf+0x3d8/0x520 [ 301.515759] ? bpf_prog_get+0x20/0x20 [ 301.519580] ? do_syscall_64+0x1b9/0x820 [ 301.523648] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.529016] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.533943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.538816] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.543883] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.548900] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.553921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.558768] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.564143] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 301.571065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.580413] Call Trace: [ 301.583012] <IRQ> [ 301.585160] dump_stack+0x244/0x39d [ 301.588808] ? dump_stack_print_info.cold.1+0x20/0x20 [ 301.594245] warn_alloc.cold.116+0xb7/0x1bd [ 301.596858] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.598567] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.609047] syz-executor2 cpuset=syz2 mems_allowed=0 [ 301.613897] ? lock_downgrade+0x900/0x900 [ 301.623121] ? trace_hardirqs_off+0xb8/0x310 [ 301.627537] ? trace_hardirqs_off+0xb8/0x310 [ 301.631953] __alloc_pages_slowpath+0x26e8/0x2e10 [ 301.636822] ? warn_alloc+0x120/0x120 [ 301.640620] ? print_usage_bug+0xc0/0xc0 [ 301.644682] ? warn_alloc+0x120/0x120 [ 301.648488] ? warn_alloc+0x120/0x120 [ 301.652307] ? print_usage_bug+0xc0/0xc0 [ 301.656360] ? kvm_clock_read+0x18/0x30 [ 301.660326] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.665352] ? print_usage_bug+0xc0/0xc0 [ 301.669429] ? __lock_acquire+0x62f/0x4c20 [ 301.673681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.679223] ? should_fail+0x22d/0xd01 [ 301.683109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.688389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.693497] ? __lock_acquire+0x62f/0x4c20 [ 301.697750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.702850] ? __lock_acquire+0x62f/0x4c20 [ 301.707101] ? should_fail+0x22d/0xd01 [ 301.710983] ? rcu_irq_exit+0x1a2/0x390 [ 301.714971] ? mark_held_locks+0x130/0x130 [ 301.719212] ? mark_held_locks+0x130/0x130 [ 301.723472] ? mark_held_locks+0xc7/0x130 [ 301.727620] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 301.732636] ? zap_class+0x640/0x640 [ 301.736354] ? print_usage_bug+0xc0/0xc0 [ 301.740421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.745968] ? check_preemption_disabled+0x48/0x280 [ 301.751012] ? __lock_is_held+0xb5/0x140 [ 301.755079] __alloc_pages_nodemask+0xa80/0xde0 [ 301.759762] ? zap_class+0x640/0x640 [ 301.763482] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 301.768523] ? find_held_lock+0x36/0x1c0 [ 301.772619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.777295] ? lock_downgrade+0x900/0x900 [ 301.781498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.787060] cache_grow_begin+0xa5/0x8c0 [ 301.791118] ? do_raw_spin_unlock+0xa7/0x330 [ 301.795545] fallback_alloc+0x204/0x2e0 [ 301.799528] ____cache_alloc_node+0x1c7/0x1e0 [ 301.804040] kmem_cache_alloc_node+0xe3/0x730 [ 301.808560] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.812806] __alloc_skb+0x119/0x770 [ 301.816514] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.821793] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.826200] ? lock_downgrade+0x900/0x900 [ 301.830353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.835925] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.841410] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.846866] ? addrconf_rs_timer+0x690/0x690 [ 301.851302] ndisc_alloc_skb+0x144/0x340 [ 301.855366] ndisc_send_rs+0x331/0x6e0 [ 301.859257] addrconf_rs_timer+0x314/0x690 [ 301.863509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.867753] call_timer_fn+0x272/0x920 [ 301.871682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.875937] ? process_timeout+0x40/0x40 [ 301.880002] ? mark_held_locks+0xc7/0x130 [ 301.884179] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.888674] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.893167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.897400] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.901988] ? trace_hardirqs_on+0xbd/0x310 [ 301.906304] ? kasan_check_read+0x11/0x20 [ 301.910451] ? __run_timers+0x7da/0xc70 [ 301.914424] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.919544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.923785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.928021] __run_timers+0x7e5/0xc70 [ 301.931849] ? timer_fixup_init+0x70/0x70 [ 301.935996] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.941012] ? zap_class+0x640/0x640 [ 301.944736] ? print_usage_bug+0xc0/0xc0 [ 301.948799] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.954008] ? find_held_lock+0x36/0x1c0 [ 301.958070] ? zap_class+0x640/0x640 [ 301.961785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.967322] ? check_preemption_disabled+0x48/0x280 [ 301.972347] ? __lock_is_held+0xb5/0x140 [ 301.976407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.981955] ? check_preemption_disabled+0x48/0x280 [ 301.986994] run_timer_softirq+0x52/0xb0 [ 301.991072] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.996102] __do_softirq+0x308/0xb7e [ 301.999902] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.004395] ? lock_downgrade+0x900/0x900 [ 302.008560] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.013673] ? pvclock_read_flags+0x160/0x160 [ 302.018202] ? lapic_next_event+0x5a/0x90 [ 302.022352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.027911] ? kvm_clock_read+0x18/0x30 [ 302.031901] ? kvm_sched_clock_read+0x9/0x20 [ 302.036330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.041870] ? check_preemption_disabled+0x48/0x280 [ 302.046896] irq_exit+0x17f/0x1c0 [ 302.050347] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.055186] ? smp_reschedule_interrupt+0x109/0x650 [ 302.060201] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.066086] ? interrupt_entry+0xb5/0xc0 [ 302.070147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.075164] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.080178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.085039] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.090065] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.095079] ? task_prio+0x50/0x50 [ 302.098622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.104180] ? check_preemption_disabled+0x48/0x280 [ 302.109223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.114079] apic_timer_interrupt+0xf/0x20 [ 302.118306] </IRQ> [ 302.120551] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 302.125767] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 302.144667] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.152377] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 302.159643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 302.166911] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 302.174175] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 302.181447] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 302.188752] retint_kernel+0x1b/0x2d [ 302.192472] RIP: 0010:dump_stack+0x358/0x39d [ 302.196881] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 302.215776] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 302.223481] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 302.230744] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 302.238006] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 302.245274] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 302.252544] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 302.259856] ? dump_stack+0x34f/0x39d [ 302.263668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.268880] ? mark_held_locks+0x130/0x130 [ 302.273111] ? mark_held_locks+0x130/0x130 [ 302.277349] dump_header+0x27b/0xf72 [ 302.281086] ? pagefault_out_of_memory+0x197/0x197 [ 302.286035] ? __lock_acquire+0x62f/0x4c20 [ 302.290286] ? percpu_ref_get_many+0x240/0x240 [ 302.294882] ? print_usage_bug+0xc0/0xc0 [ 302.298987] ? zap_class+0x640/0x640 [ 302.302722] ? print_usage_bug+0xc0/0xc0 [ 302.306805] ? print_usage_bug+0xc0/0xc0 [ 302.310864] ? zap_class+0x640/0x640 [ 302.314581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.320137] ? find_held_lock+0x36/0x1c0 [ 302.324208] ? mark_held_locks+0xc7/0x130 [ 302.328356] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.333478] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.338597] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.343183] ? trace_hardirqs_on+0xbd/0x310 [ 302.347502] ? kasan_check_read+0x11/0x20 [ 302.351651] ? ___ratelimit+0x3b4/0x672 [ 302.355627] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.360738] ? trace_hardirqs_on+0x310/0x310 [ 302.365149] ? lock_downgrade+0x900/0x900 [ 302.369298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.374398] ? ___ratelimit+0x3b9/0x672 [ 302.378372] ? idr_get_free+0xf70/0xf70 [ 302.382345] ? find_held_lock+0x36/0x1c0 [ 302.386419] oom_kill_process.cold.27+0x10/0x903 [ 302.391185] ? zap_class+0x640/0x640 [ 302.394970] ? check_preemption_disabled+0x48/0x280 [ 302.399986] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.404912] ? kasan_check_read+0x11/0x20 [ 302.409070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.414346] ? oom_evaluate_task+0x540/0x540 [ 302.418759] ? find_held_lock+0x36/0x1c0 [ 302.422823] ? out_of_memory+0x974/0x1430 [ 302.426971] ? lock_downgrade+0x900/0x900 [ 302.431114] ? check_preemption_disabled+0x48/0x280 [ 302.436128] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.441056] ? kasan_check_read+0x11/0x20 [ 302.445205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.450481] ? rcu_softirq_qs+0x20/0x20 [ 302.454478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.460009] ? oom_evaluate_task+0x302/0x540 [ 302.464421] out_of_memory+0xa84/0x1430 [ 302.468422] ? oom_killer_disable+0x3a0/0x3a0 [ 302.472941] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 302.477875] ? __ww_mutex_check_waiters+0x160/0x160 [ 302.482902] __alloc_pages_slowpath+0x2354/0x2e10 [ 302.487772] ? warn_alloc+0x120/0x120 [ 302.491572] ? mark_held_locks+0x130/0x130 [ 302.495805] ? find_get_entry+0xaae/0x1120 [ 302.500041] ? filemap_map_pages+0x1a20/0x1a20 [ 302.504621] ? zap_class+0x640/0x640 [ 302.508339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.513872] ? check_preemption_disabled+0x48/0x280 [ 302.518913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.524457] ? should_fail+0x22d/0xd01 [ 302.528352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.533471] ? zap_class+0x640/0x640 [ 302.537212] ? __lock_is_held+0xb5/0x140 [ 302.541285] ? mark_held_locks+0x130/0x130 [ 302.545523] ? lock_release+0xa00/0xa00 [ 302.549498] ? perf_trace_sched_process_exec+0x860/0x860 [ 302.554949] ? xa_load+0x2ba/0x460 [ 302.558492] ? lock_downgrade+0x900/0x900 [ 302.562645] ? __might_sleep+0x95/0x190 [ 302.566624] __alloc_pages_nodemask+0xa80/0xde0 [ 302.571302] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 302.576321] ? __page_cache_alloc+0x191/0x5c0 [ 302.580819] ? xa_load+0x2e1/0x460 [ 302.584359] ? xa_clear_mark+0x40/0x40 [ 302.588249] ? zap_class+0x640/0x640 [ 302.591969] ? zap_class+0x640/0x640 [ 302.595680] ? zap_class+0x640/0x640 [ 302.599397] ? __do_page_cache_readahead+0x663/0x810 [ 302.604516] ? find_held_lock+0x36/0x1c0 [ 302.608584] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 302.614127] alloc_pages_current+0x173/0x350 [ 302.618542] __page_cache_alloc+0x38c/0x5c0 [ 302.622861] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.627789] ? kasan_check_read+0x11/0x20 [ 302.631936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.637213] ? generic_perform_write+0x6a0/0x6a0 [ 302.641968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.647506] ? check_preemption_disabled+0x48/0x280 [ 302.652535] filemap_fault+0x1595/0x25f0 [ 302.656611] ? __lock_page_or_retry+0xa00/0xa00 [ 302.661281] ? mark_held_locks+0x130/0x130 [ 302.665528] ? filemap_map_pages+0xd6b/0x1a20 [ 302.670028] ? lock_downgrade+0x900/0x900 [ 302.674175] ? check_preemption_disabled+0x48/0x280 [ 302.679193] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.684121] ? kasan_check_read+0x11/0x20 [ 302.688265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.693540] ? rcu_softirq_qs+0x20/0x20 [ 302.697528] ? filemap_map_pages+0xd92/0x1a20 [ 302.702031] ? print_usage_bug+0xc0/0xc0 [ 302.706099] ? find_get_entries_tag+0x1400/0x1400 [ 302.710940] ? __kasan_slab_free+0x102/0x150 [ 302.715356] ? kasan_slab_free+0xe/0x10 [ 302.719331] ? kmem_cache_free+0x83/0x290 [ 302.723479] ? __sigqueue_free.part.29+0x74/0x90 [ 302.728254] ? lock_acquire+0x1ed/0x520 [ 302.732250] ? ext4_filemap_fault+0x7a/0xad [ 302.736582] ? lock_release+0xa00/0xa00 [ 302.740570] ? perf_trace_sched_process_exec+0x860/0x860 [ 302.746036] ? print_usage_bug+0xc0/0xc0 [ 302.750098] ? print_usage_bug+0xc0/0xc0 [ 302.754170] ? down_read+0x8d/0x120 [ 302.757802] ? ext4_filemap_fault+0x7a/0xad [ 302.762120] ? __down_interruptible+0x700/0x700 [ 302.766809] ext4_filemap_fault+0x82/0xad [ 302.770959] __do_fault+0x100/0x6b0 [ 302.774590] ? pmd_devmap_trans_unstable+0x220/0x220 [ 302.779717] ? mark_held_locks+0x130/0x130 [ 302.783951] ? mark_held_locks+0x130/0x130 [ 302.788193] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 302.793736] ? rcu_pm_notify+0xc0/0xc0 [ 302.797634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.803202] __handle_mm_fault+0x3ea0/0x5be0 [ 302.807622] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 302.812470] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.816965] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.821550] ? trace_hardirqs_on+0xbd/0x310 [ 302.825890] ? kasan_check_read+0x11/0x20 [ 302.830040] ? __set_current_blocked+0xdf/0x120 [ 302.834713] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.839826] ? zap_class+0x640/0x640 [ 302.843543] ? zap_class+0x640/0x640 [ 302.847262] ? find_held_lock+0x36/0x1c0 [ 302.851344] ? handle_mm_fault+0x42a/0xc70 [ 302.855578] ? lock_downgrade+0x900/0x900 [ 302.859742] ? check_preemption_disabled+0x48/0x280 [ 302.864779] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.869742] ? kasan_check_read+0x11/0x20 [ 302.873905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.879177] ? rcu_softirq_qs+0x20/0x20 [ 302.883167] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.888271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.893807] ? check_preemption_disabled+0x48/0x280 [ 302.898830] handle_mm_fault+0x54f/0xc70 [ 302.902912] ? __handle_mm_fault+0x5be0/0x5be0 [ 302.907511] ? find_vma+0x34/0x190 [ 302.911056] __do_page_fault+0x5e8/0xe60 [ 302.915118] ? exit_to_usermode_loop+0x1f4/0x380 [ 302.919885] do_page_fault+0xf2/0x7e0 [ 302.923686] ? vmalloc_sync_all+0x30/0x30 [ 302.927854] ? error_entry+0x70/0xd0 [ 302.931588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.936607] ? trace_hardirqs_on_caller+0xc0/0x310 [ 302.941537] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.946488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.951330] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.956344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.961803] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.966819] ? page_fault+0x8/0x30 [ 302.970365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.975207] ? page_fault+0x8/0x30 [ 302.978751] page_fault+0x1e/0x30 [ 302.982202] RIP: 0033:0x45db60 [ 302.985440] Code: Bad RIP value. [ 302.988804] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 302.994164] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 303.001428] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 303.008709] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 303.015979] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 303.023241] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 303.030551] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 303.030556] warn_alloc_show_mem: 1 callbacks suppressed [ 303.030565] Mem-Info: [ 303.037895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.043263] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 303.043263] active_file:10 inactive_file:13 isolated_file:0 [ 303.043263] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.043263] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 303.043263] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 303.043263] free:13762 free_pcp:404 free_cma:0 [ 303.045632] Call Trace: [ 303.055019] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.087803] dump_stack+0x244/0x39d [ 303.090359] 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 [ 303.117680] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.121279] lowmem_reserve[]: 0 2818 6321 6321 [ 303.147406] warn_alloc.cold.116+0xb7/0x1bd [ 303.152562] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 303.157156] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.161459] lowmem_reserve[]: 0 0 3503 3503 [ 303.188957] ? lock_downgrade+0x900/0x900 [ 303.193773] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 303.198094] ? trace_hardirqs_off+0xb8/0x310 [ 303.202205] lowmem_reserve[]: 0 0 0 0 [ 303.231190] ? trace_hardirqs_off+0xb8/0x310 [ 303.235590] 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 [ 303.239407] __alloc_pages_slowpath+0x26e8/0x2e10 [ 303.243796] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 303.257352] ? warn_alloc+0x120/0x120 [ 303.262143] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 303.277569] ? zap_class+0x640/0x640 [ 303.281348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.295377] ? warn_alloc+0x120/0x120 [ 303.299067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.307891] ? warn_alloc+0x120/0x120 [ 303.311664] 267 total pagecache pages [ 303.320229] ? print_usage_bug+0xc0/0xc0 [ 303.324011] 0 pages in swap cache [ 303.327814] ? find_held_lock+0x36/0x1c0 [ 303.331853] Swap cache stats: add 0, delete 0, find 0/0 [ 303.335308] ? print_usage_bug+0xc0/0xc0 [ 303.339343] Free swap = 0kB [ 303.344695] ? cpuacct_charge+0x265/0x440 [ 303.348735] Total swap = 0kB [ 303.351742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.355862] 1965979 pages RAM [ 303.358903] ? should_fail+0x22d/0xd01 [ 303.364425] 0 pages HighMem/MovableOnly [ 303.367542] ? find_held_lock+0x36/0x1c0 [ 303.371400] 342853 pages reserved [ 303.375390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.379420] 0 pages cma reserved [ 303.382904] ? __lock_acquire+0x62f/0x4c20 [ 303.388062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.391346] ? should_fail+0x22d/0xd01 [ 303.395632] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.402064] ? mark_held_locks+0x130/0x130 [ 303.405919] syz-fuzzer cpuset=/ mems_allowed=0 [ 303.416153] ? mark_held_locks+0x130/0x130 [ 303.429191] ? __lock_acquire+0x62f/0x4c20 [ 303.433449] ? zap_class+0x640/0x640 [ 303.437167] ? __lock_is_held+0xb5/0x140 [ 303.441239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.446799] ? check_preemption_disabled+0x48/0x280 [ 303.451847] ? __lock_is_held+0xb5/0x140 [ 303.455924] __alloc_pages_nodemask+0xa80/0xde0 [ 303.460595] ? zap_class+0x640/0x640 [ 303.464322] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 303.469352] ? find_held_lock+0x36/0x1c0 [ 303.473427] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.478114] ? lock_downgrade+0x900/0x900 [ 303.482274] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.487821] cache_grow_begin+0xa5/0x8c0 [ 303.491885] ? do_raw_spin_unlock+0xa7/0x330 [ 303.496307] fallback_alloc+0x204/0x2e0 [ 303.500288] ____cache_alloc_node+0x1c7/0x1e0 [ 303.504812] kmem_cache_alloc+0x1f8/0x730 [ 303.508977] skb_clone+0x1bb/0x500 [ 303.512540] ? finish_task_switch+0x2f4/0x910 [ 303.517040] ? skb_split+0x11e0/0x11e0 [ 303.520938] ? preempt_notifier_register+0x200/0x200 [ 303.526041] ? __switch_to_asm+0x34/0x70 [ 303.530102] ? __switch_to_asm+0x34/0x70 [ 303.534176] ? __switch_to_asm+0x40/0x70 [ 303.538242] ? __switch_to_asm+0x34/0x70 [ 303.542304] ? __switch_to_asm+0x40/0x70 [ 303.546366] ? __switch_to_asm+0x34/0x70 [ 303.550462] ? __switch_to_asm+0x40/0x70 [ 303.554530] ? __switch_to_asm+0x34/0x70 [ 303.558591] ? __switch_to_asm+0x34/0x70 [ 303.562653] ? __switch_to_asm+0x40/0x70 [ 303.566728] ? __switch_to_asm+0x34/0x70 [ 303.570821] bpf_clone_redirect+0xb9/0x490 [ 303.575064] ? __schedule+0x8d7/0x21d0 [ 303.578961] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 303.583981] ? __sched_text_start+0x8/0x8 [ 303.588147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.593036] ? find_held_lock+0x36/0x1c0 [ 303.597114] ? lock_acquire+0x1ed/0x520 [ 303.601094] ? bpf_test_run+0x3cb/0x780 [ 303.605078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.610622] ? check_preemption_disabled+0x48/0x280 [ 303.615649] ? kasan_check_read+0x11/0x20 [ 303.619803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.625080] ? rcu_softirq_qs+0x20/0x20 [ 303.629061] ? preempt_schedule+0x4d/0x60 [ 303.633220] ? ___preempt_schedule+0x16/0x18 [ 303.637646] ? bpf_test_run+0x25d/0x780 [ 303.641650] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.646062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.651633] ? bpf_test_init.isra.10+0x70/0x100 [ 303.656308] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 303.661082] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.665957] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.671511] ? fput+0x130/0x1a0 [ 303.674795] ? __bpf_prog_get+0x9b/0x290 [ 303.678871] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.683711] ? bpf_prog_test_run+0x130/0x1a0 [ 303.688130] ? __x64_sys_bpf+0x3d8/0x520 [ 303.692212] ? bpf_prog_get+0x20/0x20 [ 303.696037] ? do_syscall_64+0x1b9/0x820 [ 303.700105] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.705508] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.710444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.715305] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.720328] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.725844] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.730889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.735758] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.741161] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 303.748141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.757494] Call Trace: [ 303.760076] <IRQ> [ 303.762232] dump_stack+0x244/0x39d [ 303.765873] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.771088] warn_alloc.cold.116+0xb7/0x1bd [ 303.775414] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.775653] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.780286] ? lock_downgrade+0x900/0x900 [ 303.790749] syz-executor2 cpuset=syz2 mems_allowed=0 [ 303.794890] ? trace_hardirqs_off+0xb8/0x310 [ 303.804386] ? trace_hardirqs_off+0xb8/0x310 [ 303.808798] __alloc_pages_slowpath+0x26e8/0x2e10 [ 303.813671] ? warn_alloc+0x120/0x120 [ 303.817500] ? print_usage_bug+0xc0/0xc0 [ 303.821563] ? warn_alloc+0x120/0x120 [ 303.825364] ? zap_class+0x640/0x640 [ 303.829074] ? warn_alloc+0x120/0x120 [ 303.832890] ? print_usage_bug+0xc0/0xc0 [ 303.836968] ? print_usage_bug+0xc0/0xc0 [ 303.841053] ? __lock_acquire+0x62f/0x4c20 [ 303.845289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.850822] ? should_fail+0x22d/0xd01 [ 303.854732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.859833] ? __lock_acquire+0x62f/0x4c20 [ 303.864069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.869167] ? __lock_acquire+0x62f/0x4c20 [ 303.873399] ? should_fail+0x22d/0xd01 [ 303.877294] ? find_held_lock+0x36/0x1c0 [ 303.881362] ? mark_held_locks+0x130/0x130 [ 303.885598] ? mark_held_locks+0x130/0x130 [ 303.889823] ? zap_class+0x640/0x640 [ 303.893569] ? zap_class+0x640/0x640 [ 303.897287] ? print_usage_bug+0xc0/0xc0 [ 303.901341] ? do_raw_spin_unlock+0xa7/0x330 [ 303.905753] ? zap_class+0x640/0x640 [ 303.909467] ? print_usage_bug+0xc0/0xc0 [ 303.913528] ? wq_watchdog_touch+0x9c/0xfe [ 303.917759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.923300] ? check_preemption_disabled+0x48/0x280 [ 303.928325] ? __lock_is_held+0xb5/0x140 [ 303.932393] __alloc_pages_nodemask+0xa80/0xde0 [ 303.937060] ? zap_class+0x640/0x640 [ 303.940794] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 303.945817] ? find_held_lock+0x36/0x1c0 [ 303.949889] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.954563] ? lock_downgrade+0x900/0x900 [ 303.958720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.964263] cache_grow_begin+0xa5/0x8c0 [ 303.968321] ? do_raw_spin_unlock+0xa7/0x330 [ 303.972738] fallback_alloc+0x204/0x2e0 [ 303.976749] ____cache_alloc_node+0x1c7/0x1e0 [ 303.981264] kmem_cache_alloc_node+0xe3/0x730 [ 303.985759] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.990037] __alloc_skb+0x119/0x770 [ 303.993763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.999058] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.003470] ? lock_downgrade+0x900/0x900 [ 304.007625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.013160] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.018612] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.024063] ? addrconf_rs_timer+0x690/0x690 [ 304.028488] ndisc_alloc_skb+0x144/0x340 [ 304.032553] ndisc_send_rs+0x331/0x6e0 [ 304.036452] addrconf_rs_timer+0x314/0x690 [ 304.040698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.044942] call_timer_fn+0x272/0x920 [ 304.048825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.053059] ? process_timeout+0x40/0x40 [ 304.057131] ? mark_held_locks+0xc7/0x130 [ 304.061275] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.065781] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.070269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.074511] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.079091] ? trace_hardirqs_on+0xbd/0x310 [ 304.083410] ? kasan_check_read+0x11/0x20 [ 304.087593] ? __run_timers+0x7da/0xc70 [ 304.091568] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.096686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.100930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.105161] __run_timers+0x7e5/0xc70 [ 304.108972] ? timer_fixup_init+0x70/0x70 [ 304.113120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.118179] ? zap_class+0x640/0x640 [ 304.121896] ? print_usage_bug+0xc0/0xc0 [ 304.125956] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.131151] ? find_held_lock+0x36/0x1c0 [ 304.135214] ? zap_class+0x640/0x640 [ 304.138935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.144489] ? check_preemption_disabled+0x48/0x280 [ 304.149553] ? __lock_is_held+0xb5/0x140 [ 304.153616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.159168] ? check_preemption_disabled+0x48/0x280 [ 304.164205] run_timer_softirq+0x52/0xb0 [ 304.168262] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.173295] __do_softirq+0x308/0xb7e [ 304.177096] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.181584] ? lock_downgrade+0x900/0x900 [ 304.185755] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.190878] ? pvclock_read_flags+0x160/0x160 [ 304.195399] ? lapic_next_event+0x5a/0x90 [ 304.199548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.205090] ? kvm_clock_read+0x18/0x30 [ 304.209059] ? kvm_sched_clock_read+0x9/0x20 [ 304.213469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.219021] ? check_preemption_disabled+0x48/0x280 [ 304.224056] irq_exit+0x17f/0x1c0 [ 304.227511] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.232348] ? smp_reschedule_interrupt+0x109/0x650 [ 304.237366] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.243245] ? interrupt_entry+0xb5/0xc0 [ 304.247305] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.252322] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.257335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.262180] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.267195] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.272206] ? task_prio+0x50/0x50 [ 304.275742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.281277] ? check_preemption_disabled+0x48/0x280 [ 304.286293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.291149] apic_timer_interrupt+0xf/0x20 [ 304.295367] </IRQ> [ 304.297599] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 304.302807] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 304.321761] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.329499] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 304.336764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 304.344025] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 304.351288] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 304.358564] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 304.365884] retint_kernel+0x1b/0x2d [ 304.369622] RIP: 0010:dump_stack+0x358/0x39d [ 304.374043] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 304.392935] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 304.400636] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 304.407902] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 304.415162] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 304.422422] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 304.429690] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 304.436995] ? dump_stack+0x34f/0x39d [ 304.440803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.445991] ? mark_held_locks+0x130/0x130 [ 304.450222] ? mark_held_locks+0x130/0x130 [ 304.454462] dump_header+0x27b/0xf72 [ 304.458182] ? pagefault_out_of_memory+0x197/0x197 [ 304.463114] ? __lock_acquire+0x62f/0x4c20 [ 304.467343] ? percpu_ref_get_many+0x240/0x240 [ 304.471930] ? print_usage_bug+0xc0/0xc0 [ 304.476013] ? zap_class+0x640/0x640 [ 304.479744] ? print_usage_bug+0xc0/0xc0 [ 304.483816] ? print_usage_bug+0xc0/0xc0 [ 304.487876] ? zap_class+0x640/0x640 [ 304.491604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.497185] ? find_held_lock+0x36/0x1c0 [ 304.501257] ? mark_held_locks+0xc7/0x130 [ 304.505409] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.510550] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.515679] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.520272] ? trace_hardirqs_on+0xbd/0x310 [ 304.524594] ? kasan_check_read+0x11/0x20 [ 304.528762] ? ___ratelimit+0x3b4/0x672 [ 304.532747] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.537852] ? trace_hardirqs_on+0x310/0x310 [ 304.542271] ? lock_downgrade+0x900/0x900 [ 304.546441] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.551554] ? ___ratelimit+0x3b9/0x672 [ 304.555535] ? idr_get_free+0xf70/0xf70 [ 304.559510] ? find_held_lock+0x36/0x1c0 [ 304.563589] oom_kill_process.cold.27+0x10/0x903 [ 304.568350] ? zap_class+0x640/0x640 [ 304.572067] ? check_preemption_disabled+0x48/0x280 [ 304.577095] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 304.582029] ? kasan_check_read+0x11/0x20 [ 304.586183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.591469] ? oom_evaluate_task+0x540/0x540 [ 304.595899] ? find_held_lock+0x36/0x1c0 [ 304.599985] ? out_of_memory+0x974/0x1430 [ 304.604136] ? lock_downgrade+0x900/0x900 [ 304.608290] ? check_preemption_disabled+0x48/0x280 [ 304.613315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 304.618251] ? kasan_check_read+0x11/0x20 [ 304.622399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.627686] ? rcu_softirq_qs+0x20/0x20 [ 304.631675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.637220] ? oom_evaluate_task+0x302/0x540 [ 304.641649] out_of_memory+0xa84/0x1430 [ 304.645633] ? oom_killer_disable+0x3a0/0x3a0 [ 304.650144] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 304.655081] ? __ww_mutex_check_waiters+0x160/0x160 [ 304.660137] __alloc_pages_slowpath+0x2354/0x2e10 [ 304.665006] ? warn_alloc+0x120/0x120 [ 304.668835] ? mark_held_locks+0x130/0x130 [ 304.673111] ? find_get_entry+0xaae/0x1120 [ 304.677368] ? filemap_map_pages+0x1a20/0x1a20 [ 304.681959] ? zap_class+0x640/0x640 [ 304.685681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.691227] ? check_preemption_disabled+0x48/0x280 [ 304.696247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.701784] ? should_fail+0x22d/0xd01 [ 304.705678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.710788] ? zap_class+0x640/0x640 [ 304.714524] ? __lock_is_held+0xb5/0x140 [ 304.718590] ? mark_held_locks+0x130/0x130 [ 304.722823] ? lock_release+0xa00/0xa00 [ 304.726797] ? perf_trace_sched_process_exec+0x860/0x860 [ 304.732248] ? xa_load+0x2ba/0x460 [ 304.735789] ? lock_downgrade+0x900/0x900 [ 304.739944] ? __might_sleep+0x95/0x190 [ 304.743920] __alloc_pages_nodemask+0xa80/0xde0 [ 304.748598] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 304.753618] ? __page_cache_alloc+0x191/0x5c0 [ 304.758108] ? xa_load+0x2e1/0x460 [ 304.761654] ? xa_clear_mark+0x40/0x40 [ 304.765558] ? zap_class+0x640/0x640 [ 304.769295] ? zap_class+0x640/0x640 [ 304.773009] ? zap_class+0x640/0x640 [ 304.776727] ? __do_page_cache_readahead+0x663/0x810 [ 304.781847] ? find_held_lock+0x36/0x1c0 [ 304.785911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 304.791463] alloc_pages_current+0x173/0x350 [ 304.795894] __page_cache_alloc+0x38c/0x5c0 [ 304.800217] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 304.805152] ? kasan_check_read+0x11/0x20 [ 304.809304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.814589] ? generic_perform_write+0x6a0/0x6a0 [ 304.819353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.824897] ? check_preemption_disabled+0x48/0x280 [ 304.829931] filemap_fault+0x1595/0x25f0 [ 304.834007] ? __lock_page_or_retry+0xa00/0xa00 [ 304.838683] ? mark_held_locks+0x130/0x130 [ 304.842933] ? filemap_map_pages+0xd6b/0x1a20 [ 304.847459] ? lock_downgrade+0x900/0x900 [ 304.851613] ? check_preemption_disabled+0x48/0x280 [ 304.856640] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 304.861590] ? kasan_check_read+0x11/0x20 [ 304.865746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.871042] ? rcu_softirq_qs+0x20/0x20 [ 304.875065] ? filemap_map_pages+0xd92/0x1a20 [ 304.879566] ? print_usage_bug+0xc0/0xc0 [ 304.883654] ? find_get_entries_tag+0x1400/0x1400 [ 304.888527] ? __kasan_slab_free+0x102/0x150 [ 304.892955] ? kasan_slab_free+0xe/0x10 [ 304.896929] ? kmem_cache_free+0x83/0x290 [ 304.901077] ? __sigqueue_free.part.29+0x74/0x90 [ 304.905883] ? lock_acquire+0x1ed/0x520 [ 304.909859] ? ext4_filemap_fault+0x7a/0xad [ 304.914205] ? lock_release+0xa00/0xa00 [ 304.918177] ? perf_trace_sched_process_exec+0x860/0x860 [ 304.923632] ? print_usage_bug+0xc0/0xc0 [ 304.927694] ? print_usage_bug+0xc0/0xc0 [ 304.931768] ? down_read+0x8d/0x120 [ 304.935390] ? ext4_filemap_fault+0x7a/0xad [ 304.939752] ? __down_interruptible+0x700/0x700 [ 304.944472] ext4_filemap_fault+0x82/0xad [ 304.948645] __do_fault+0x100/0x6b0 [ 304.952291] ? pmd_devmap_trans_unstable+0x220/0x220 [ 304.957481] ? mark_held_locks+0x130/0x130 [ 304.961722] ? mark_held_locks+0x130/0x130 [ 304.965961] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 304.971520] ? rcu_pm_notify+0xc0/0xc0 [ 304.975419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.980970] __handle_mm_fault+0x3ea0/0x5be0 [ 304.985390] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 304.990231] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.994770] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.999354] ? trace_hardirqs_on+0xbd/0x310 [ 305.003676] ? kasan_check_read+0x11/0x20 [ 305.007881] ? __set_current_blocked+0xdf/0x120 [ 305.012552] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.017671] ? zap_class+0x640/0x640 [ 305.021383] ? zap_class+0x640/0x640 [ 305.025104] ? find_held_lock+0x36/0x1c0 [ 305.029210] ? handle_mm_fault+0x42a/0xc70 [ 305.033470] ? lock_downgrade+0x900/0x900 [ 305.037619] ? check_preemption_disabled+0x48/0x280 [ 305.042641] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.047569] ? kasan_check_read+0x11/0x20 [ 305.051723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.057000] ? rcu_softirq_qs+0x20/0x20 [ 305.060977] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.066085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.071632] ? check_preemption_disabled+0x48/0x280 [ 305.076663] handle_mm_fault+0x54f/0xc70 [ 305.080748] ? __handle_mm_fault+0x5be0/0x5be0 [ 305.085349] ? find_vma+0x34/0x190 [ 305.088912] __do_page_fault+0x5e8/0xe60 [ 305.092988] ? exit_to_usermode_loop+0x1f4/0x380 [ 305.097758] do_page_fault+0xf2/0x7e0 [ 305.101569] ? vmalloc_sync_all+0x30/0x30 [ 305.105735] ? error_entry+0x70/0xd0 [ 305.109478] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.114500] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.119439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.124374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.129225] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.134245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.139733] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.144756] ? page_fault+0x8/0x30 [ 305.148303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.153176] ? page_fault+0x8/0x30 [ 305.156733] page_fault+0x1e/0x30 [ 305.160198] RIP: 0033:0x45db60 [ 305.163404] Code: Bad RIP value. [ 305.166781] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 305.172145] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 305.179541] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 305.186832] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 305.194119] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 305.201404] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 305.208710] warn_alloc_show_mem: 1 callbacks suppressed [ 305.208723] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 305.208725] Mem-Info: [ 305.208755] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 305.208755] active_file:10 inactive_file:13 isolated_file:0 [ 305.208755] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.208755] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 305.208755] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 305.208755] free:13762 free_pcp:404 free_cma:0 [ 305.214093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.214102] Call Trace: [ 305.221387] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 305.223800] dump_stack+0x244/0x39d [ 305.256572] 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 [ 305.265944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.268501] lowmem_reserve[]: 0 2818 6321 6321 [ 305.295843] warn_alloc.cold.116+0xb7/0x1bd [ 305.299470] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 305.325626] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.330808] lowmem_reserve[]: 0 0 3503 3503 [ 305.335412] ? lock_downgrade+0x900/0x900 [ 305.339712] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 305.367230] ? trace_hardirqs_off+0xb8/0x310 [ 305.372044] lowmem_reserve[]: 0 0 0 0 [ 305.376376] ? trace_hardirqs_off+0xb8/0x310 [ 305.380509] 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 [ 305.409508] __alloc_pages_slowpath+0x26e8/0x2e10 [ 305.413905] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 305.417734] ? warn_alloc+0x120/0x120 [ 305.422098] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 305.435656] ? zap_class+0x640/0x640 [ 305.440476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.455911] ? warn_alloc+0x120/0x120 [ 305.459688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.473752] ? warn_alloc+0x120/0x120 [ 305.477446] 267 total pagecache pages [ 305.486289] ? print_usage_bug+0xc0/0xc0 [ 305.490073] 0 pages in swap cache [ 305.498644] ? find_held_lock+0x36/0x1c0 [ 305.502417] Swap cache stats: add 0, delete 0, find 0/0 [ 305.506236] ? print_usage_bug+0xc0/0xc0 [ 305.510277] Free swap = 0kB [ 305.513760] ? cpuacct_charge+0x265/0x440 [ 305.517786] Total swap = 0kB [ 305.523152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.527180] 1965979 pages RAM [ 305.530218] ? should_fail+0x22d/0xd01 [ 305.534341] 0 pages HighMem/MovableOnly [ 305.534350] 342853 pages reserved [ 305.537376] ? find_held_lock+0x36/0x1c0 [ 305.542909] 0 pages cma reserved [ 305.542982] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.546030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.549974] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.553861] ? __lock_acquire+0x62f/0x4c20 [ 305.557294] syz-fuzzer cpuset=/ mems_allowed=0 [ 305.561349] ? should_fail+0x22d/0xd01 [ 305.599484] ? mark_held_locks+0x130/0x130 [ 305.603758] ? mark_held_locks+0x130/0x130 [ 305.607999] ? __lock_acquire+0x62f/0x4c20 [ 305.612249] ? zap_class+0x640/0x640 [ 305.615963] ? __lock_is_held+0xb5/0x140 [ 305.620034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.625615] ? check_preemption_disabled+0x48/0x280 [ 305.630666] ? __lock_is_held+0xb5/0x140 [ 305.634739] __alloc_pages_nodemask+0xa80/0xde0 [ 305.639418] ? zap_class+0x640/0x640 [ 305.643191] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 305.648241] ? find_held_lock+0x36/0x1c0 [ 305.652333] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.657009] ? lock_downgrade+0x900/0x900 [ 305.661220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.666768] cache_grow_begin+0xa5/0x8c0 [ 305.670836] ? do_raw_spin_unlock+0xa7/0x330 [ 305.675257] fallback_alloc+0x204/0x2e0 [ 305.679247] ____cache_alloc_node+0x1c7/0x1e0 [ 305.683881] kmem_cache_alloc+0x1f8/0x730 [ 305.688051] skb_clone+0x1bb/0x500 [ 305.691615] ? finish_task_switch+0x2f4/0x910 [ 305.696118] ? skb_split+0x11e0/0x11e0 [ 305.700018] ? preempt_notifier_register+0x200/0x200 [ 305.705124] ? __switch_to_asm+0x34/0x70 [ 305.709192] ? __switch_to_asm+0x34/0x70 [ 305.713260] ? __switch_to_asm+0x40/0x70 [ 305.717319] ? __switch_to_asm+0x34/0x70 [ 305.721377] ? __switch_to_asm+0x40/0x70 [ 305.725927] ? __switch_to_asm+0x34/0x70 [ 305.729990] ? __switch_to_asm+0x40/0x70 [ 305.734049] ? __switch_to_asm+0x34/0x70 [ 305.738106] ? __switch_to_asm+0x34/0x70 [ 305.742182] ? __switch_to_asm+0x40/0x70 [ 305.746247] ? __switch_to_asm+0x34/0x70 [ 305.750321] bpf_clone_redirect+0xb9/0x490 [ 305.754574] ? __schedule+0x8d7/0x21d0 [ 305.758480] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 305.763515] ? __sched_text_start+0x8/0x8 [ 305.767699] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.772480] ? find_held_lock+0x36/0x1c0 [ 305.776570] ? lock_acquire+0x1ed/0x520 [ 305.780549] ? bpf_test_run+0x3cb/0x780 [ 305.784527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.790073] ? check_preemption_disabled+0x48/0x280 [ 305.795100] ? kasan_check_read+0x11/0x20 [ 305.799257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.804540] ? rcu_softirq_qs+0x20/0x20 [ 305.808521] ? preempt_schedule+0x4d/0x60 [ 305.812679] ? ___preempt_schedule+0x16/0x18 [ 305.817104] ? bpf_test_run+0x25d/0x780 [ 305.821099] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.825524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.831073] ? bpf_test_init.isra.10+0x70/0x100 [ 305.835757] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 305.840542] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.845395] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.850950] ? fput+0x130/0x1a0 [ 305.854250] ? __bpf_prog_get+0x9b/0x290 [ 305.858320] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.863165] ? bpf_prog_test_run+0x130/0x1a0 [ 305.867586] ? __x64_sys_bpf+0x3d8/0x520 [ 305.871671] ? bpf_prog_get+0x20/0x20 [ 305.875503] ? do_syscall_64+0x1b9/0x820 [ 305.879570] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.884955] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.889888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.894754] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.899783] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 305.904814] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.909845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.914723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.920119] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 305.927072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.936452] Call Trace: [ 305.939040] <IRQ> [ 305.941205] dump_stack+0x244/0x39d [ 305.944844] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.950069] warn_alloc.cold.116+0xb7/0x1bd [ 305.954403] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.955481] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.959269] ? lock_downgrade+0x900/0x900 [ 305.969745] syz-executor2 cpuset=syz2 mems_allowed=0 [ 305.973898] ? trace_hardirqs_off+0xb8/0x310 [ 305.983389] ? trace_hardirqs_off+0xb8/0x310 [ 305.987818] __alloc_pages_slowpath+0x26e8/0x2e10 [ 305.992696] ? warn_alloc+0x120/0x120 [ 305.996512] ? print_usage_bug+0xc0/0xc0 [ 306.000596] ? warn_alloc+0x120/0x120 [ 306.004406] ? warn_alloc+0x120/0x120 [ 306.008216] ? print_usage_bug+0xc0/0xc0 [ 306.012280] ? kvm_clock_read+0x18/0x30 [ 306.016256] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 306.021277] ? print_usage_bug+0xc0/0xc0 [ 306.025345] ? __lock_acquire+0x62f/0x4c20 [ 306.029593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.035152] ? should_fail+0x22d/0xd01 [ 306.039040] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.044328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.049445] ? __lock_acquire+0x62f/0x4c20 [ 306.053690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.058813] ? __lock_acquire+0x62f/0x4c20 [ 306.063051] ? should_fail+0x22d/0xd01 [ 306.066954] ? rcu_irq_exit+0x1a2/0x390 [ 306.070961] ? mark_held_locks+0x130/0x130 [ 306.075215] ? mark_held_locks+0x130/0x130 [ 306.079482] ? mark_held_locks+0xc7/0x130 [ 306.083644] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 306.088665] ? zap_class+0x640/0x640 [ 306.092384] ? print_usage_bug+0xc0/0xc0 [ 306.096460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.102007] ? check_preemption_disabled+0x48/0x280 [ 306.107041] ? __lock_is_held+0xb5/0x140 [ 306.111115] __alloc_pages_nodemask+0xa80/0xde0 [ 306.115789] ? zap_class+0x640/0x640 [ 306.119537] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 306.124588] ? find_held_lock+0x36/0x1c0 [ 306.128663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.133338] ? lock_downgrade+0x900/0x900 [ 306.137498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.143046] cache_grow_begin+0xa5/0x8c0 [ 306.147109] ? do_raw_spin_unlock+0xa7/0x330 [ 306.151531] fallback_alloc+0x204/0x2e0 [ 306.155544] ____cache_alloc_node+0x1c7/0x1e0 [ 306.160061] kmem_cache_alloc_node+0xe3/0x730 [ 306.164558] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.168803] __alloc_skb+0x119/0x770 [ 306.172536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.177825] ? netdev_alloc_frag+0x1f0/0x1f0 [ 306.182236] ? lock_downgrade+0x900/0x900 [ 306.186401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.191966] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.197424] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.202916] ? addrconf_rs_timer+0x690/0x690 [ 306.207341] ndisc_alloc_skb+0x144/0x340 [ 306.211411] ndisc_send_rs+0x331/0x6e0 [ 306.215311] addrconf_rs_timer+0x314/0x690 [ 306.219551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.223799] call_timer_fn+0x272/0x920 [ 306.227720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.231974] ? process_timeout+0x40/0x40 [ 306.236314] ? mark_held_locks+0xc7/0x130 [ 306.240470] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.244966] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.249516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.253756] ? lockdep_hardirqs_on+0x296/0x5b0 [ 306.258345] ? trace_hardirqs_on+0xbd/0x310 [ 306.262672] ? kasan_check_read+0x11/0x20 [ 306.266828] ? __run_timers+0x7da/0xc70 [ 306.270835] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.275967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.280213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.284458] __run_timers+0x7e5/0xc70 [ 306.288302] ? timer_fixup_init+0x70/0x70 [ 306.292459] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.297481] ? zap_class+0x640/0x640 [ 306.301219] ? print_usage_bug+0xc0/0xc0 [ 306.305282] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.310480] ? find_held_lock+0x36/0x1c0 [ 306.314546] ? zap_class+0x640/0x640 [ 306.318267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.323809] ? check_preemption_disabled+0x48/0x280 [ 306.328842] ? __lock_is_held+0xb5/0x140 [ 306.332910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.338457] ? check_preemption_disabled+0x48/0x280 [ 306.343484] run_timer_softirq+0x52/0xb0 [ 306.347564] ? rcu_read_lock_sched_held+0x14f/0x180 [ 306.352590] __do_softirq+0x308/0xb7e [ 306.356403] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 306.360913] ? lock_downgrade+0x900/0x900 [ 306.365066] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 306.370197] ? pvclock_read_flags+0x160/0x160 [ 306.374742] ? lapic_next_event+0x5a/0x90 [ 306.378920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.384487] ? kvm_clock_read+0x18/0x30 [ 306.388469] ? kvm_sched_clock_read+0x9/0x20 [ 306.392920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.398504] ? check_preemption_disabled+0x48/0x280 [ 306.403549] irq_exit+0x17f/0x1c0 [ 306.407006] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.411849] ? smp_reschedule_interrupt+0x109/0x650 [ 306.416871] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.422788] ? interrupt_entry+0xb5/0xc0 [ 306.426871] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.431889] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.436911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.441762] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.446783] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.451807] ? task_prio+0x50/0x50 [ 306.455380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.460924] ? check_preemption_disabled+0x48/0x280 [ 306.465949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.470806] apic_timer_interrupt+0xf/0x20 [ 306.475036] </IRQ> [ 306.477283] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 306.482477] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 306.501412] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 306.509159] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 306.516443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 306.523728] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 306.531025] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 306.538305] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 306.545630] retint_kernel+0x1b/0x2d [ 306.549354] RIP: 0010:dump_stack+0x358/0x39d [ 306.553768] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 306.572676] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 306.580402] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 306.587788] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 306.595068] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 306.602350] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 306.609676] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 306.617000] ? dump_stack+0x34f/0x39d [ 306.620828] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.626033] ? mark_held_locks+0x130/0x130 [ 306.630284] ? mark_held_locks+0x130/0x130 [ 306.634532] dump_header+0x27b/0xf72 [ 306.638267] ? pagefault_out_of_memory+0x197/0x197 [ 306.643224] ? __lock_acquire+0x62f/0x4c20 [ 306.647474] ? percpu_ref_get_many+0x240/0x240 [ 306.652074] ? print_usage_bug+0xc0/0xc0 [ 306.656150] ? zap_class+0x640/0x640 [ 306.659886] ? print_usage_bug+0xc0/0xc0 [ 306.663949] ? print_usage_bug+0xc0/0xc0 [ 306.668015] ? zap_class+0x640/0x640 [ 306.671757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.677304] ? find_held_lock+0x36/0x1c0 [ 306.681384] ? mark_held_locks+0xc7/0x130 [ 306.685651] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 306.690773] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 306.695885] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.700484] ? trace_hardirqs_on+0xbd/0x310 [ 306.704818] ? kasan_check_read+0x11/0x20 [ 306.708975] ? ___ratelimit+0x3b4/0x672 [ 306.712958] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.718069] ? trace_hardirqs_on+0x310/0x310 [ 306.722499] ? lock_downgrade+0x900/0x900 [ 306.726671] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.731789] ? ___ratelimit+0x3b9/0x672 [ 306.735796] ? idr_get_free+0xf70/0xf70 [ 306.739778] ? find_held_lock+0x36/0x1c0 [ 306.743854] oom_kill_process.cold.27+0x10/0x903 [ 306.748621] ? zap_class+0x640/0x640 [ 306.752337] ? check_preemption_disabled+0x48/0x280 [ 306.757356] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.762291] ? kasan_check_read+0x11/0x20 [ 306.766447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.771766] ? oom_evaluate_task+0x540/0x540 [ 306.776226] ? find_held_lock+0x36/0x1c0 [ 306.780299] ? out_of_memory+0x974/0x1430 [ 306.784452] ? lock_downgrade+0x900/0x900 [ 306.788600] ? check_preemption_disabled+0x48/0x280 [ 306.793619] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.798548] ? kasan_check_read+0x11/0x20 [ 306.802694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.807979] ? rcu_softirq_qs+0x20/0x20 [ 306.811963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.817521] ? oom_evaluate_task+0x302/0x540 [ 306.821975] out_of_memory+0xa84/0x1430 [ 306.825974] ? oom_killer_disable+0x3a0/0x3a0 [ 306.830472] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 306.835411] ? __ww_mutex_check_waiters+0x160/0x160 [ 306.840452] __alloc_pages_slowpath+0x2354/0x2e10 [ 306.845331] ? warn_alloc+0x120/0x120 [ 306.849165] ? mark_held_locks+0x130/0x130 [ 306.853440] ? find_get_entry+0xaae/0x1120 [ 306.857684] ? filemap_map_pages+0x1a20/0x1a20 [ 306.862273] ? zap_class+0x640/0x640 [ 306.865990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.871531] ? check_preemption_disabled+0x48/0x280 [ 306.876586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.882131] ? should_fail+0x22d/0xd01 [ 306.886045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.891155] ? zap_class+0x640/0x640 [ 306.894897] ? __lock_is_held+0xb5/0x140 [ 306.898971] ? mark_held_locks+0x130/0x130 [ 306.903207] ? lock_release+0xa00/0xa00 [ 306.907194] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.912650] ? xa_load+0x2ba/0x460 [ 306.916215] ? lock_downgrade+0x900/0x900 [ 306.920368] ? __might_sleep+0x95/0x190 [ 306.924363] __alloc_pages_nodemask+0xa80/0xde0 [ 306.929044] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 306.934066] ? __page_cache_alloc+0x191/0x5c0 [ 306.938566] ? xa_load+0x2e1/0x460 [ 306.942108] ? xa_clear_mark+0x40/0x40 [ 306.946002] ? zap_class+0x640/0x640 [ 306.949731] ? zap_class+0x640/0x640 [ 306.953452] ? zap_class+0x640/0x640 [ 306.957185] ? __do_page_cache_readahead+0x663/0x810 [ 306.962299] ? find_held_lock+0x36/0x1c0 [ 306.966372] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.971922] alloc_pages_current+0x173/0x350 [ 306.976360] __page_cache_alloc+0x38c/0x5c0 [ 306.980688] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.985642] ? kasan_check_read+0x11/0x20 [ 306.989793] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.995084] ? generic_perform_write+0x6a0/0x6a0 [ 306.999880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.005427] ? check_preemption_disabled+0x48/0x280 [ 307.010483] filemap_fault+0x1595/0x25f0 [ 307.014563] ? __lock_page_or_retry+0xa00/0xa00 [ 307.019256] ? mark_held_locks+0x130/0x130 [ 307.023504] ? filemap_map_pages+0xd6b/0x1a20 [ 307.028002] ? lock_downgrade+0x900/0x900 [ 307.032153] ? check_preemption_disabled+0x48/0x280 [ 307.037197] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 307.042150] ? kasan_check_read+0x11/0x20 [ 307.046304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.051586] ? rcu_softirq_qs+0x20/0x20 [ 307.055580] ? filemap_map_pages+0xd92/0x1a20 [ 307.060085] ? print_usage_bug+0xc0/0xc0 [ 307.064161] ? find_get_entries_tag+0x1400/0x1400 [ 307.069017] ? __kasan_slab_free+0x102/0x150 [ 307.073443] ? kasan_slab_free+0xe/0x10 [ 307.077445] ? kmem_cache_free+0x83/0x290 [ 307.081599] ? __sigqueue_free.part.29+0x74/0x90 [ 307.086411] ? lock_acquire+0x1ed/0x520 [ 307.090400] ? ext4_filemap_fault+0x7a/0xad [ 307.094760] ? lock_release+0xa00/0xa00 [ 307.098753] ? perf_trace_sched_process_exec+0x860/0x860 [ 307.104213] ? print_usage_bug+0xc0/0xc0 [ 307.108282] ? print_usage_bug+0xc0/0xc0 [ 307.112391] ? down_read+0x8d/0x120 [ 307.116021] ? ext4_filemap_fault+0x7a/0xad [ 307.120349] ? __down_interruptible+0x700/0x700 [ 307.125030] ext4_filemap_fault+0x82/0xad [ 307.129189] __do_fault+0x100/0x6b0 [ 307.132842] ? pmd_devmap_trans_unstable+0x220/0x220 [ 307.137972] ? mark_held_locks+0x130/0x130 [ 307.142228] ? mark_held_locks+0x130/0x130 [ 307.146472] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 307.152022] ? rcu_pm_notify+0xc0/0xc0 [ 307.155935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.161483] __handle_mm_fault+0x3ea0/0x5be0 [ 307.166085] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 307.170932] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.175446] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 307.180034] ? trace_hardirqs_on+0xbd/0x310 [ 307.184359] ? kasan_check_read+0x11/0x20 [ 307.188515] ? __set_current_blocked+0xdf/0x120 [ 307.193208] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.198330] ? zap_class+0x640/0x640 [ 307.202062] ? zap_class+0x640/0x640 [ 307.205785] ? find_held_lock+0x36/0x1c0 [ 307.209862] ? handle_mm_fault+0x42a/0xc70 [ 307.214117] ? lock_downgrade+0x900/0x900 [ 307.218271] ? check_preemption_disabled+0x48/0x280 [ 307.223291] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 307.228224] ? kasan_check_read+0x11/0x20 [ 307.232407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.237698] ? rcu_softirq_qs+0x20/0x20 [ 307.241696] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.246820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.252363] ? check_preemption_disabled+0x48/0x280 [ 307.257391] handle_mm_fault+0x54f/0xc70 [ 307.261466] ? __handle_mm_fault+0x5be0/0x5be0 [ 307.266058] ? find_vma+0x34/0x190 [ 307.269605] __do_page_fault+0x5e8/0xe60 [ 307.273697] ? exit_to_usermode_loop+0x1f4/0x380 [ 307.278502] do_page_fault+0xf2/0x7e0 [ 307.282305] ? vmalloc_sync_all+0x30/0x30 [ 307.286457] ? error_entry+0x70/0xd0 [ 307.290203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.295217] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.300153] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.305117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.309968] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.314987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.320457] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.325484] ? page_fault+0x8/0x30 [ 307.329030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.333883] ? page_fault+0x8/0x30 [ 307.337454] page_fault+0x1e/0x30 [ 307.340912] RIP: 0033:0x45db60 [ 307.344114] Code: Bad RIP value. [ 307.347496] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 307.352876] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 307.360150] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 307.367446] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 307.374747] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 307.382011] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 307.389342] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 307.389348] warn_alloc_show_mem: 1 callbacks suppressed [ 307.389356] Mem-Info: [ 307.396649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.402035] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 307.402035] active_file:10 inactive_file:13 isolated_file:0 [ 307.402035] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.402035] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 307.402035] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 307.402035] free:13762 free_pcp:404 free_cma:0 [ 307.404405] Call Trace: [ 307.413808] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.446596] dump_stack+0x244/0x39d [ 307.449157] 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 [ 307.476525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.480122] lowmem_reserve[]: 0 2818 6321 6321 [ 307.506253] warn_alloc.cold.116+0xb7/0x1bd [ 307.511440] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 307.516024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.520331] lowmem_reserve[]: 0 0 3503 3503 [ 307.547860] ? lock_downgrade+0x900/0x900 [ 307.552677] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 307.557011] ? trace_hardirqs_off+0xb8/0x310 [ 307.561127] lowmem_reserve[]: 0 0 0 0 [ 307.590105] ? trace_hardirqs_off+0xb8/0x310 [ 307.594759] 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 [ 307.598579] __alloc_pages_slowpath+0x26e8/0x2e10 [ 307.602952] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 307.616501] ? warn_alloc+0x120/0x120 [ 307.621292] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 307.636724] ? zap_class+0x640/0x640 [ 307.640508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.654535] ? warn_alloc+0x120/0x120 [ 307.658230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.667062] ? warn_alloc+0x120/0x120 [ 307.670840] 267 total pagecache pages [ 307.679407] ? print_usage_bug+0xc0/0xc0 [ 307.683188] 0 pages in swap cache [ 307.686980] ? find_held_lock+0x36/0x1c0 [ 307.691019] Swap cache stats: add 0, delete 0, find 0/0 [ 307.694490] ? print_usage_bug+0xc0/0xc0 [ 307.698529] Free swap = 0kB [ 307.703916] ? cpuacct_charge+0x265/0x440 [ 307.707951] Total swap = 0kB [ 307.707961] 1965979 pages RAM [ 307.710981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.715105] 0 pages HighMem/MovableOnly [ 307.718125] ? should_fail+0x22d/0xd01 [ 307.721205] 342853 pages reserved [ 307.727242] ? find_held_lock+0x36/0x1c0 [ 307.731193] 0 pages cma reserved [ 307.735100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.738624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.742597] ? __lock_acquire+0x62f/0x4c20 [ 307.745992] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.751032] ? should_fail+0x22d/0xd01 [ 307.757499] syz-fuzzer cpuset=/ mems_allowed=0 [ 307.761758] ? mark_held_locks+0x130/0x130 [ 307.784621] ? mark_held_locks+0x130/0x130 [ 307.788862] ? __lock_acquire+0x62f/0x4c20 [ 307.793101] ? zap_class+0x640/0x640 [ 307.796815] ? __lock_is_held+0xb5/0x140 [ 307.800888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.806452] ? check_preemption_disabled+0x48/0x280 [ 307.811499] ? __lock_is_held+0xb5/0x140 [ 307.815570] __alloc_pages_nodemask+0xa80/0xde0 [ 307.820240] ? zap_class+0x640/0x640 [ 307.823963] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 307.828996] ? find_held_lock+0x36/0x1c0 [ 307.833074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.837745] ? lock_downgrade+0x900/0x900 [ 307.841933] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.847480] cache_grow_begin+0xa5/0x8c0 [ 307.851568] ? do_raw_spin_unlock+0xa7/0x330 [ 307.855998] fallback_alloc+0x204/0x2e0 [ 307.859978] ____cache_alloc_node+0x1c7/0x1e0 [ 307.864479] kmem_cache_alloc+0x1f8/0x730 [ 307.868647] skb_clone+0x1bb/0x500 [ 307.872229] ? finish_task_switch+0x2f4/0x910 [ 307.876747] ? skb_split+0x11e0/0x11e0 [ 307.880644] ? preempt_notifier_register+0x200/0x200 [ 307.885767] ? __switch_to_asm+0x34/0x70 [ 307.889831] ? __switch_to_asm+0x34/0x70 [ 307.893890] ? __switch_to_asm+0x40/0x70 [ 307.897970] ? __switch_to_asm+0x34/0x70 [ 307.902047] ? __switch_to_asm+0x40/0x70 [ 307.906133] ? __switch_to_asm+0x34/0x70 [ 307.910213] ? __switch_to_asm+0x40/0x70 [ 307.914276] ? __switch_to_asm+0x34/0x70 [ 307.918344] ? __switch_to_asm+0x34/0x70 [ 307.922407] ? __switch_to_asm+0x40/0x70 [ 307.926487] ? __switch_to_asm+0x34/0x70 [ 307.930575] bpf_clone_redirect+0xb9/0x490 [ 307.934836] ? __schedule+0x8d7/0x21d0 [ 307.938739] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 307.943803] ? __sched_text_start+0x8/0x8 [ 307.947959] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.952762] ? find_held_lock+0x36/0x1c0 [ 307.956863] ? lock_acquire+0x1ed/0x520 [ 307.960855] ? bpf_test_run+0x3cb/0x780 [ 307.964841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.970392] ? check_preemption_disabled+0x48/0x280 [ 307.975423] ? kasan_check_read+0x11/0x20 [ 307.979633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.984916] ? rcu_softirq_qs+0x20/0x20 [ 307.988896] ? preempt_schedule+0x4d/0x60 [ 307.993052] ? ___preempt_schedule+0x16/0x18 [ 307.997480] ? bpf_test_run+0x25d/0x780 [ 308.001476] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.005898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.011465] ? bpf_test_init.isra.10+0x70/0x100 [ 308.016149] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 308.020964] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 308.025812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.031390] ? fput+0x130/0x1a0 [ 308.034672] ? __bpf_prog_get+0x9b/0x290 [ 308.038744] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 308.043596] ? bpf_prog_test_run+0x130/0x1a0 [ 308.048019] ? __x64_sys_bpf+0x3d8/0x520 [ 308.052094] ? bpf_prog_get+0x20/0x20 [ 308.055922] ? do_syscall_64+0x1b9/0x820 [ 308.059998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.065369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.070304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.075155] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.080176] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 308.085248] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.090280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.095161] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.100601] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 308.100811] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.107534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.118017] syz-executor2 cpuset=syz2 mems_allowed=0 [ 308.127373] Call Trace: [ 308.135045] <IRQ> [ 308.137221] dump_stack+0x244/0x39d [ 308.140859] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.146068] warn_alloc.cold.116+0xb7/0x1bd [ 308.150400] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.155275] ? lock_downgrade+0x900/0x900 [ 308.159443] ? trace_hardirqs_off+0xb8/0x310 [ 308.163864] ? trace_hardirqs_off+0xb8/0x310 [ 308.168288] __alloc_pages_slowpath+0x26e8/0x2e10 [ 308.173163] ? warn_alloc+0x120/0x120 [ 308.177007] ? print_usage_bug+0xc0/0xc0 [ 308.181103] ? warn_alloc+0x120/0x120 [ 308.184914] ? zap_class+0x640/0x640 [ 308.188653] ? warn_alloc+0x120/0x120 [ 308.192470] ? print_usage_bug+0xc0/0xc0 [ 308.196555] ? print_usage_bug+0xc0/0xc0 [ 308.200619] ? __lock_acquire+0x62f/0x4c20 [ 308.204862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.210403] ? should_fail+0x22d/0xd01 [ 308.214304] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.219411] ? __lock_acquire+0x62f/0x4c20 [ 308.223661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.228782] ? __lock_acquire+0x62f/0x4c20 [ 308.233017] ? should_fail+0x22d/0xd01 [ 308.236910] ? find_held_lock+0x36/0x1c0 [ 308.240980] ? mark_held_locks+0x130/0x130 [ 308.245236] ? mark_held_locks+0x130/0x130 [ 308.249473] ? zap_class+0x640/0x640 [ 308.253212] ? zap_class+0x640/0x640 [ 308.256926] ? print_usage_bug+0xc0/0xc0 [ 308.260979] ? do_raw_spin_unlock+0xa7/0x330 [ 308.265387] ? zap_class+0x640/0x640 [ 308.269103] ? print_usage_bug+0xc0/0xc0 [ 308.273177] ? wq_watchdog_touch+0x9c/0xfe [ 308.277418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.282961] ? check_preemption_disabled+0x48/0x280 [ 308.287988] ? __lock_is_held+0xb5/0x140 [ 308.292070] __alloc_pages_nodemask+0xa80/0xde0 [ 308.296738] ? zap_class+0x640/0x640 [ 308.300476] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 308.305503] ? find_held_lock+0x36/0x1c0 [ 308.309569] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.314238] ? lock_downgrade+0x900/0x900 [ 308.318391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.323929] cache_grow_begin+0xa5/0x8c0 [ 308.328022] ? do_raw_spin_unlock+0xa7/0x330 [ 308.332445] fallback_alloc+0x204/0x2e0 [ 308.336430] ____cache_alloc_node+0x1c7/0x1e0 [ 308.340937] kmem_cache_alloc_node+0xe3/0x730 [ 308.345441] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.349684] __alloc_skb+0x119/0x770 [ 308.353397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.358679] ? netdev_alloc_frag+0x1f0/0x1f0 [ 308.363153] ? lock_downgrade+0x900/0x900 [ 308.367306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.372842] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.378298] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.383748] ? addrconf_rs_timer+0x690/0x690 [ 308.388187] ndisc_alloc_skb+0x144/0x340 [ 308.392257] ndisc_send_rs+0x331/0x6e0 [ 308.396169] addrconf_rs_timer+0x314/0x690 [ 308.400424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.404682] call_timer_fn+0x272/0x920 [ 308.408574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.412813] ? process_timeout+0x40/0x40 [ 308.416885] ? mark_held_locks+0xc7/0x130 [ 308.421033] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.425531] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.430028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.434274] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.438867] ? trace_hardirqs_on+0xbd/0x310 [ 308.443208] ? kasan_check_read+0x11/0x20 [ 308.447360] ? __run_timers+0x7da/0xc70 [ 308.451349] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.456473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.460731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.464971] __run_timers+0x7e5/0xc70 [ 308.468807] ? timer_fixup_init+0x70/0x70 [ 308.472962] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.477984] ? zap_class+0x640/0x640 [ 308.481713] ? print_usage_bug+0xc0/0xc0 [ 308.485779] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.490989] ? find_held_lock+0x36/0x1c0 [ 308.495064] ? zap_class+0x640/0x640 [ 308.498794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.504338] ? check_preemption_disabled+0x48/0x280 [ 308.509370] ? __lock_is_held+0xb5/0x140 [ 308.513461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.519012] ? check_preemption_disabled+0x48/0x280 [ 308.524042] run_timer_softirq+0x52/0xb0 [ 308.528112] ? rcu_read_lock_sched_held+0x14f/0x180 [ 308.533134] __do_softirq+0x308/0xb7e [ 308.536958] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.541479] ? lock_downgrade+0x900/0x900 [ 308.545642] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 308.550757] ? pvclock_read_flags+0x160/0x160 [ 308.555255] ? lapic_next_event+0x5a/0x90 [ 308.559405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.564976] ? kvm_clock_read+0x18/0x30 [ 308.568953] ? kvm_sched_clock_read+0x9/0x20 [ 308.573367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.578923] ? check_preemption_disabled+0x48/0x280 [ 308.583954] irq_exit+0x17f/0x1c0 [ 308.587417] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.592267] ? smp_reschedule_interrupt+0x109/0x650 [ 308.597286] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.603169] ? interrupt_entry+0xb5/0xc0 [ 308.607230] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.612240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.617259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.622099] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.627111] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.632125] ? task_prio+0x50/0x50 [ 308.635668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.641222] ? check_preemption_disabled+0x48/0x280 [ 308.646247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.651106] apic_timer_interrupt+0xf/0x20 [ 308.655335] </IRQ> [ 308.657577] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 308.662769] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 308.681682] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.689400] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 308.696682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 308.703961] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 308.711234] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 308.718541] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 308.725871] retint_kernel+0x1b/0x2d [ 308.729605] RIP: 0010:dump_stack+0x358/0x39d [ 308.734016] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 308.752926] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 308.760642] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 308.767913] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 308.775191] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 308.782485] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 308.789773] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 308.797085] ? dump_stack+0x34f/0x39d [ 308.800910] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.806116] ? mark_held_locks+0x130/0x130 [ 308.810357] ? mark_held_locks+0x130/0x130 [ 308.814606] dump_header+0x27b/0xf72 [ 308.818338] ? pagefault_out_of_memory+0x197/0x197 [ 308.823302] ? __lock_acquire+0x62f/0x4c20 [ 308.827558] ? percpu_ref_get_many+0x240/0x240 [ 308.832184] ? print_usage_bug+0xc0/0xc0 [ 308.836283] ? zap_class+0x640/0x640 [ 308.840002] ? print_usage_bug+0xc0/0xc0 [ 308.844064] ? print_usage_bug+0xc0/0xc0 [ 308.848144] ? zap_class+0x640/0x640 [ 308.851872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.857421] ? find_held_lock+0x36/0x1c0 [ 308.861509] ? mark_held_locks+0xc7/0x130 [ 308.865698] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.870810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.876186] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.880774] ? trace_hardirqs_on+0xbd/0x310 [ 308.885103] ? kasan_check_read+0x11/0x20 [ 308.889257] ? ___ratelimit+0x3b4/0x672 [ 308.893259] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.898371] ? trace_hardirqs_on+0x310/0x310 [ 308.902785] ? lock_downgrade+0x900/0x900 [ 308.906943] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.912051] ? ___ratelimit+0x3b9/0x672 [ 308.916045] ? idr_get_free+0xf70/0xf70 [ 308.920023] ? find_held_lock+0x36/0x1c0 [ 308.924095] oom_kill_process.cold.27+0x10/0x903 [ 308.928874] ? zap_class+0x640/0x640 [ 308.932592] ? check_preemption_disabled+0x48/0x280 [ 308.937615] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.942548] ? kasan_check_read+0x11/0x20 [ 308.946704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.952008] ? oom_evaluate_task+0x540/0x540 [ 308.956447] ? find_held_lock+0x36/0x1c0 [ 308.960521] ? out_of_memory+0x974/0x1430 [ 308.964671] ? lock_downgrade+0x900/0x900 [ 308.968821] ? check_preemption_disabled+0x48/0x280 [ 308.973851] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.978797] ? kasan_check_read+0x11/0x20 [ 308.982961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.988315] ? rcu_softirq_qs+0x20/0x20 [ 308.992298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.997835] ? oom_evaluate_task+0x302/0x540 [ 309.002248] out_of_memory+0xa84/0x1430 [ 309.006233] ? oom_killer_disable+0x3a0/0x3a0 [ 309.010737] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 309.015676] ? __ww_mutex_check_waiters+0x160/0x160 [ 309.020734] __alloc_pages_slowpath+0x2354/0x2e10 [ 309.025607] ? warn_alloc+0x120/0x120 [ 309.029408] ? mark_held_locks+0x130/0x130 [ 309.033663] ? find_get_entry+0xaae/0x1120 [ 309.037908] ? filemap_map_pages+0x1a20/0x1a20 [ 309.042514] ? zap_class+0x640/0x640 [ 309.046236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.051778] ? check_preemption_disabled+0x48/0x280 [ 309.056800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.062340] ? should_fail+0x22d/0xd01 [ 309.066236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.071348] ? zap_class+0x640/0x640 [ 309.075087] ? __lock_is_held+0xb5/0x140 [ 309.079160] ? mark_held_locks+0x130/0x130 [ 309.083399] ? lock_release+0xa00/0xa00 [ 309.087378] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.092832] ? xa_load+0x2ba/0x460 [ 309.096376] ? lock_downgrade+0x900/0x900 [ 309.100545] ? __might_sleep+0x95/0x190 [ 309.104543] __alloc_pages_nodemask+0xa80/0xde0 [ 309.109222] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 309.114241] ? __page_cache_alloc+0x191/0x5c0 [ 309.118744] ? xa_load+0x2e1/0x460 [ 309.122373] ? xa_clear_mark+0x40/0x40 [ 309.126268] ? zap_class+0x640/0x640 [ 309.129988] ? zap_class+0x640/0x640 [ 309.133701] ? zap_class+0x640/0x640 [ 309.137426] ? __do_page_cache_readahead+0x663/0x810 [ 309.142549] ? find_held_lock+0x36/0x1c0 [ 309.146626] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.152172] alloc_pages_current+0x173/0x350 [ 309.156591] __page_cache_alloc+0x38c/0x5c0 [ 309.160914] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.165848] ? kasan_check_read+0x11/0x20 [ 309.170002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.175283] ? generic_perform_write+0x6a0/0x6a0 [ 309.180041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.185588] ? check_preemption_disabled+0x48/0x280 [ 309.190616] filemap_fault+0x1595/0x25f0 [ 309.194693] ? __lock_page_or_retry+0xa00/0xa00 [ 309.199378] ? mark_held_locks+0x130/0x130 [ 309.203624] ? filemap_map_pages+0xd6b/0x1a20 [ 309.208140] ? lock_downgrade+0x900/0x900 [ 309.212307] ? check_preemption_disabled+0x48/0x280 [ 309.217329] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.222262] ? kasan_check_read+0x11/0x20 [ 309.226416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.231700] ? rcu_softirq_qs+0x20/0x20 [ 309.235699] ? filemap_map_pages+0xd92/0x1a20 [ 309.240206] ? print_usage_bug+0xc0/0xc0 [ 309.244276] ? find_get_entries_tag+0x1400/0x1400 [ 309.249119] ? __kasan_slab_free+0x102/0x150 [ 309.253526] ? kasan_slab_free+0xe/0x10 [ 309.257504] ? kmem_cache_free+0x83/0x290 [ 309.261656] ? __sigqueue_free.part.29+0x74/0x90 [ 309.266459] ? lock_acquire+0x1ed/0x520 [ 309.270446] ? ext4_filemap_fault+0x7a/0xad [ 309.274780] ? lock_release+0xa00/0xa00 [ 309.278753] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.284240] ? print_usage_bug+0xc0/0xc0 [ 309.288303] ? print_usage_bug+0xc0/0xc0 [ 309.292399] ? down_read+0x8d/0x120 [ 309.296051] ? ext4_filemap_fault+0x7a/0xad [ 309.300376] ? __down_interruptible+0x700/0x700 [ 309.305092] ext4_filemap_fault+0x82/0xad [ 309.309248] __do_fault+0x100/0x6b0 [ 309.312885] ? pmd_devmap_trans_unstable+0x220/0x220 [ 309.318029] ? mark_held_locks+0x130/0x130 [ 309.322266] ? mark_held_locks+0x130/0x130 [ 309.326500] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 309.332044] ? rcu_pm_notify+0xc0/0xc0 [ 309.335946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.341496] __handle_mm_fault+0x3ea0/0x5be0 [ 309.345919] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 309.350764] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.355267] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.359868] ? trace_hardirqs_on+0xbd/0x310 [ 309.364209] ? kasan_check_read+0x11/0x20 [ 309.368358] ? __set_current_blocked+0xdf/0x120 [ 309.373028] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.378162] ? zap_class+0x640/0x640 [ 309.381895] ? zap_class+0x640/0x640 [ 309.385615] ? find_held_lock+0x36/0x1c0 [ 309.389704] ? handle_mm_fault+0x42a/0xc70 [ 309.393951] ? lock_downgrade+0x900/0x900 [ 309.398101] ? check_preemption_disabled+0x48/0x280 [ 309.403121] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.408053] ? kasan_check_read+0x11/0x20 [ 309.412217] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.417497] ? rcu_softirq_qs+0x20/0x20 [ 309.421475] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.426597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.432141] ? check_preemption_disabled+0x48/0x280 [ 309.437168] handle_mm_fault+0x54f/0xc70 [ 309.441235] ? __handle_mm_fault+0x5be0/0x5be0 [ 309.445827] ? find_vma+0x34/0x190 [ 309.449380] __do_page_fault+0x5e8/0xe60 [ 309.453457] ? exit_to_usermode_loop+0x1f4/0x380 [ 309.458223] do_page_fault+0xf2/0x7e0 [ 309.462030] ? vmalloc_sync_all+0x30/0x30 [ 309.466181] ? error_entry+0x70/0xd0 [ 309.469899] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.474934] ? trace_hardirqs_on_caller+0xc0/0x310 [ 309.479900] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.484844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.489695] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.494723] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.500202] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.505224] ? page_fault+0x8/0x30 [ 309.508773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.513622] ? page_fault+0x8/0x30 [ 309.517168] page_fault+0x1e/0x30 [ 309.520619] RIP: 0033:0x45db60 [ 309.523823] Code: Bad RIP value. [ 309.527186] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 309.532563] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 309.539879] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 309.547174] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 309.554454] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 309.561740] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 309.569069] warn_alloc_show_mem: 1 callbacks suppressed [ 309.569081] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 309.569083] Mem-Info: [ 309.569112] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 309.569112] active_file:10 inactive_file:13 isolated_file:0 [ 309.569112] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.569112] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 309.569112] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 309.569112] free:13762 free_pcp:404 free_cma:0 [ 309.574450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.574458] Call Trace: [ 309.581734] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.584129] <IRQ> [ 309.617196] 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 [ 309.626595] dump_stack+0x244/0x39d [ 309.629151] lowmem_reserve[]: 0 2818 6321 6321 [ 309.656492] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.658619] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 309.685261] warn_alloc.cold.116+0xb7/0x1bd [ 309.688875] lowmem_reserve[]: 0 0 3503 3503 [ 309.693458] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.698623] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 309.726632] ? lock_downgrade+0x900/0x900 [ 309.730928] lowmem_reserve[]: 0 0 0 0 [ 309.735257] ? trace_hardirqs_off+0xb8/0x310 [ 309.740096] 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 [ 309.769080] ? trace_hardirqs_off+0xb8/0x310 [ 309.773206] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 309.777015] __alloc_pages_slowpath+0x26e8/0x2e10 [ 309.781391] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 309.794942] ? warn_alloc+0x120/0x120 [ 309.799312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.814750] ? warn_alloc+0x120/0x120 [ 309.819574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.833622] ? warn_alloc+0x120/0x120 [ 309.837401] 267 total pagecache pages [ 309.846246] ? print_usage_bug+0xc0/0xc0 [ 309.850025] 0 pages in swap cache [ 309.858596] ? zap_class+0x640/0x640 [ 309.862379] Swap cache stats: add 0, delete 0, find 0/0 [ 309.866177] ? kvm_sched_clock_read+0x9/0x20 [ 309.870208] Free swap = 0kB [ 309.870214] Total swap = 0kB [ 309.873663] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.877347] 1965979 pages RAM [ 309.882710] ? print_usage_bug+0xc0/0xc0 [ 309.887117] 0 pages HighMem/MovableOnly [ 309.890141] ? __lock_is_held+0xb5/0x140 [ 309.893132] 342853 pages reserved [ 309.898156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.901231] 0 pages cma reserved [ 309.905285] ? should_fail+0x22d/0xd01 [ 309.909324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.913288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.916820] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.922258] ? __lock_acquire+0x62f/0x4c20 [ 309.925598] syz-fuzzer cpuset=/ mems_allowed=0 [ 309.929482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.965185] ? __lock_acquire+0x62f/0x4c20 [ 309.969427] ? should_fail+0x22d/0xd01 [ 309.973352] ? mark_held_locks+0x130/0x130 [ 309.977621] ? mark_held_locks+0x130/0x130 [ 309.981882] ? try_to_wake_up+0x11c/0x1490 [ 309.986152] ? lock_downgrade+0x900/0x900 [ 309.990316] ? lock_downgrade+0x900/0x900 [ 309.994487] ? zap_class+0x640/0x640 [ 309.998203] ? print_usage_bug+0xc0/0xc0 [ 310.002274] ? trace_hardirqs_off+0xb8/0x310 [ 310.006703] ? kasan_check_read+0x11/0x20 [ 310.010861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.016446] ? check_preemption_disabled+0x48/0x280 [ 310.021483] ? __lock_is_held+0xb5/0x140 [ 310.025554] __alloc_pages_nodemask+0xa80/0xde0 [ 310.030231] ? zap_class+0x640/0x640 [ 310.033954] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 310.038988] ? find_held_lock+0x36/0x1c0 [ 310.043059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.047733] ? lock_downgrade+0x900/0x900 [ 310.051907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.057468] cache_grow_begin+0xa5/0x8c0 [ 310.061532] ? do_raw_spin_unlock+0xa7/0x330 [ 310.065951] fallback_alloc+0x204/0x2e0 [ 310.069938] ____cache_alloc_node+0x1c7/0x1e0 [ 310.074447] kmem_cache_alloc_node+0xe3/0x730 [ 310.078977] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.083226] __alloc_skb+0x119/0x770 [ 310.086943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.092232] ? netdev_alloc_frag+0x1f0/0x1f0 [ 310.096657] ? lock_downgrade+0x900/0x900 [ 310.100817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.106373] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.111837] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.117295] ? addrconf_rs_timer+0x690/0x690 [ 310.121731] ndisc_alloc_skb+0x144/0x340 [ 310.125818] ndisc_send_rs+0x331/0x6e0 [ 310.129713] addrconf_rs_timer+0x314/0x690 [ 310.133991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.138242] call_timer_fn+0x272/0x920 [ 310.142138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.146374] ? process_timeout+0x40/0x40 [ 310.150452] ? __run_timers+0x7da/0xc70 [ 310.154443] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.158949] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.163459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.167701] ? lockdep_hardirqs_on+0x296/0x5b0 [ 310.172291] ? trace_hardirqs_on+0xbd/0x310 [ 310.176620] ? kasan_check_read+0x11/0x20 [ 310.180774] ? __run_timers+0x7da/0xc70 [ 310.184767] ? trace_hardirqs_off_caller+0x310/0x310 [ 310.189886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.194125] __run_timers+0x7e5/0xc70 [ 310.197954] ? timer_fixup_init+0x70/0x70 [ 310.202120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.207156] ? zap_class+0x640/0x640 [ 310.210875] ? enqueue_hrtimer+0x1a5/0x560 [ 310.215114] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.220319] ? find_held_lock+0x36/0x1c0 [ 310.224390] ? zap_class+0x640/0x640 [ 310.228111] ? pvclock_read_flags+0x160/0x160 [ 310.232624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.238183] ? check_preemption_disabled+0x48/0x280 [ 310.243234] ? __lock_is_held+0xb5/0x140 [ 310.247320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.252873] ? check_preemption_disabled+0x48/0x280 [ 310.257930] run_timer_softirq+0x52/0xb0 [ 310.261996] ? rcu_read_lock_sched_held+0x14f/0x180 [ 310.267013] __do_softirq+0x308/0xb7e [ 310.270832] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.275353] ? lock_downgrade+0x900/0x900 [ 310.279513] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 310.284628] ? pvclock_read_flags+0x160/0x160 [ 310.289128] ? lapic_next_event+0x5a/0x90 [ 310.293298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.298842] ? kvm_clock_read+0x18/0x30 [ 310.302850] ? kvm_sched_clock_read+0x9/0x20 [ 310.307267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.312814] ? check_preemption_disabled+0x48/0x280 [ 310.317875] irq_exit+0x17f/0x1c0 [ 310.321336] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.326180] ? smp_reschedule_interrupt+0x109/0x650 [ 310.331226] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.337112] ? interrupt_entry+0xb5/0xc0 [ 310.341182] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.346237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.351265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.356121] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.361134] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.366157] ? task_prio+0x50/0x50 [ 310.369704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.375264] ? check_preemption_disabled+0x48/0x280 [ 310.380289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.385177] apic_timer_interrupt+0xf/0x20 [ 310.389413] </IRQ> [ 310.391659] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 310.396602] 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 ac [ 310.415516] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.423232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.430509] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 310.437787] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 310.445056] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 310.452326] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 310.459646] skb_clone+0x1bb/0x500 [ 310.463199] ? finish_task_switch+0x2f4/0x910 [ 310.467710] ? skb_split+0x11e0/0x11e0 [ 310.471605] ? preempt_notifier_register+0x200/0x200 [ 310.476705] ? __switch_to_asm+0x34/0x70 [ 310.480795] ? __switch_to_asm+0x34/0x70 [ 310.484870] ? __switch_to_asm+0x40/0x70 [ 310.488930] ? __switch_to_asm+0x34/0x70 [ 310.492987] ? __switch_to_asm+0x40/0x70 [ 310.497045] ? __switch_to_asm+0x34/0x70 [ 310.501103] ? __switch_to_asm+0x40/0x70 [ 310.505165] ? __switch_to_asm+0x34/0x70 [ 310.509276] ? __switch_to_asm+0x34/0x70 [ 310.513334] ? __switch_to_asm+0x40/0x70 [ 310.517408] ? __switch_to_asm+0x34/0x70 [ 310.521487] bpf_clone_redirect+0xb9/0x490 [ 310.525737] ? __schedule+0x8d7/0x21d0 [ 310.529634] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 310.534681] ? __sched_text_start+0x8/0x8 [ 310.538865] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.543636] ? find_held_lock+0x36/0x1c0 [ 310.547703] ? lock_acquire+0x1ed/0x520 [ 310.551679] ? bpf_test_run+0x3cb/0x780 [ 310.555678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.561239] ? check_preemption_disabled+0x48/0x280 [ 310.566257] ? kasan_check_read+0x11/0x20 [ 310.570405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.575684] ? rcu_softirq_qs+0x20/0x20 [ 310.579655] ? preempt_schedule+0x4d/0x60 [ 310.583798] ? ___preempt_schedule+0x16/0x18 [ 310.588214] ? bpf_test_run+0x25d/0x780 [ 310.592191] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.596641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.602192] ? bpf_test_init.isra.10+0x70/0x100 [ 310.606865] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 310.611629] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.616466] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.621999] ? fput+0x130/0x1a0 [ 310.625281] ? __bpf_prog_get+0x9b/0x290 [ 310.629349] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.634186] ? bpf_prog_test_run+0x130/0x1a0 [ 310.638605] ? __x64_sys_bpf+0x3d8/0x520 [ 310.642668] ? bpf_prog_get+0x20/0x20 [ 310.646493] ? do_syscall_64+0x1b9/0x820 [ 310.650571] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.655971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.660931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.665776] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.670800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.675825] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.680850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.685731] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.691137] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 310.691235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.698081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.698086] Call Trace: [ 310.698093] <IRQ> [ 310.698115] dump_stack+0x244/0x39d [ 310.698135] ? dump_stack_print_info.cold.1+0x20/0x20 [ 310.727550] warn_alloc.cold.116+0xb7/0x1bd [ 310.731896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.736750] ? lock_downgrade+0x900/0x900 [ 310.736891] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.740913] ? trace_hardirqs_off+0xb8/0x310 [ 310.751392] syz-executor2 cpuset=syz2 mems_allowed=0 [ 310.755794] ? trace_hardirqs_off+0xb8/0x310 [ 310.765367] __alloc_pages_slowpath+0x26e8/0x2e10 [ 310.770259] ? warn_alloc+0x120/0x120 [ 310.774076] ? warn_alloc+0x120/0x120 [ 310.777873] ? zap_class+0x640/0x640 [ 310.781586] ? warn_alloc+0x120/0x120 [ 310.785390] ? print_usage_bug+0xc0/0xc0 [ 310.789455] ? idle_cpu+0x1d0/0x1d0 [ 310.793079] ? kvm_sched_clock_read+0x9/0x20 [ 310.797491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.802509] ? print_usage_bug+0xc0/0xc0 [ 310.806591] ? __lock_is_held+0xb5/0x140 [ 310.810657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.816209] ? should_fail+0x22d/0xd01 [ 310.820144] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.825249] ? __lock_acquire+0x62f/0x4c20 [ 310.829491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.834607] ? __lock_acquire+0x62f/0x4c20 [ 310.838839] ? should_fail+0x22d/0xd01 [ 310.842756] ? mark_held_locks+0x130/0x130 [ 310.847011] ? mark_held_locks+0x130/0x130 [ 310.851249] ? __enqueue_entity+0x10d/0x1f0 [ 310.855575] ? zap_class+0x640/0x640 [ 310.859290] ? print_usage_bug+0xc0/0xc0 [ 310.863348] ? __lock_acquire+0x62f/0x4c20 [ 310.867604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.873188] ? check_preemption_disabled+0x48/0x280 [ 310.878215] ? __lock_is_held+0xb5/0x140 [ 310.882283] __alloc_pages_nodemask+0xa80/0xde0 [ 310.886952] ? zap_class+0x640/0x640 [ 310.890685] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 310.895753] ? find_held_lock+0x36/0x1c0 [ 310.899825] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.904514] ? lock_downgrade+0x900/0x900 [ 310.908683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.914227] cache_grow_begin+0xa5/0x8c0 [ 310.918289] ? do_raw_spin_unlock+0xa7/0x330 [ 310.922700] fallback_alloc+0x204/0x2e0 [ 310.926700] ____cache_alloc_node+0x1c7/0x1e0 [ 310.931249] kmem_cache_alloc_node+0xe3/0x730 [ 310.935743] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.939983] __alloc_skb+0x119/0x770 [ 310.943694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.948994] ? netdev_alloc_frag+0x1f0/0x1f0 [ 310.953399] ? lock_downgrade+0x900/0x900 [ 310.957550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.963085] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.968536] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.974013] ? addrconf_rs_timer+0x690/0x690 [ 310.978428] ndisc_alloc_skb+0x144/0x340 [ 310.982498] ndisc_send_rs+0x331/0x6e0 [ 310.986386] addrconf_rs_timer+0x314/0x690 [ 310.990625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.994866] call_timer_fn+0x272/0x920 [ 310.998768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.003002] ? process_timeout+0x40/0x40 [ 311.007074] ? mark_held_locks+0xc7/0x130 [ 311.011220] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.015721] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.020221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.024472] ? lockdep_hardirqs_on+0x296/0x5b0 [ 311.029055] ? trace_hardirqs_on+0xbd/0x310 [ 311.033388] ? kasan_check_read+0x11/0x20 [ 311.037534] ? __run_timers+0x7da/0xc70 [ 311.041509] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.046636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.050867] __run_timers+0x7e5/0xc70 [ 311.054675] ? timer_fixup_init+0x70/0x70 [ 311.058822] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.063835] ? zap_class+0x640/0x640 [ 311.067567] ? print_usage_bug+0xc0/0xc0 [ 311.071629] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.076838] ? find_held_lock+0x36/0x1c0 [ 311.080951] ? zap_class+0x640/0x640 [ 311.084680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.090218] ? check_preemption_disabled+0x48/0x280 [ 311.095241] ? __lock_is_held+0xb5/0x140 [ 311.099304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.104841] ? check_preemption_disabled+0x48/0x280 [ 311.109865] run_timer_softirq+0x52/0xb0 [ 311.113944] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.118976] __do_softirq+0x308/0xb7e [ 311.122782] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 311.127278] ? lock_downgrade+0x900/0x900 [ 311.131431] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.136548] ? pvclock_read_flags+0x160/0x160 [ 311.141066] ? lapic_next_event+0x5a/0x90 [ 311.145210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.150782] ? kvm_clock_read+0x18/0x30 [ 311.154753] ? kvm_sched_clock_read+0x9/0x20 [ 311.159156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.164694] ? check_preemption_disabled+0x48/0x280 [ 311.169738] irq_exit+0x17f/0x1c0 [ 311.173188] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.178028] ? smp_reschedule_interrupt+0x109/0x650 [ 311.183045] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.188923] ? interrupt_entry+0xb5/0xc0 [ 311.192984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.197997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.203007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.207856] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.212881] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.217911] ? task_prio+0x50/0x50 [ 311.221450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.226995] ? check_preemption_disabled+0x48/0x280 [ 311.232042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.236900] apic_timer_interrupt+0xf/0x20 [ 311.241134] </IRQ> [ 311.243404] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 311.248631] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 311.267526] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.275249] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 311.282509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 311.289773] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 311.297034] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 311.304295] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 311.311601] retint_kernel+0x1b/0x2d [ 311.315313] RIP: 0010:dump_stack+0x358/0x39d [ 311.319747] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 311.338644] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 311.346348] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 311.353614] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 311.360880] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 311.368147] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 311.375410] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 311.382704] ? dump_stack+0x34f/0x39d [ 311.386526] ? dump_stack_print_info.cold.1+0x20/0x20 [ 311.391721] ? mark_held_locks+0x130/0x130 [ 311.395968] ? mark_held_locks+0x130/0x130 [ 311.400209] dump_header+0x27b/0xf72 [ 311.403934] ? pagefault_out_of_memory+0x197/0x197 [ 311.408888] ? __lock_acquire+0x62f/0x4c20 [ 311.413128] ? percpu_ref_get_many+0x240/0x240 [ 311.417732] ? print_usage_bug+0xc0/0xc0 [ 311.421796] ? zap_class+0x640/0x640 [ 311.425513] ? print_usage_bug+0xc0/0xc0 [ 311.429574] ? print_usage_bug+0xc0/0xc0 [ 311.433640] ? zap_class+0x640/0x640 [ 311.437354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.442896] ? find_held_lock+0x36/0x1c0 [ 311.446969] ? mark_held_locks+0xc7/0x130 [ 311.451133] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.456251] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.461350] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.465927] ? trace_hardirqs_on+0xbd/0x310 [ 311.470257] ? kasan_check_read+0x11/0x20 [ 311.474397] ? ___ratelimit+0x3b4/0x672 [ 311.478368] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.483473] ? trace_hardirqs_on+0x310/0x310 [ 311.487898] ? lock_downgrade+0x900/0x900 [ 311.492044] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.497156] ? ___ratelimit+0x3b9/0x672 [ 311.501132] ? idr_get_free+0xf70/0xf70 [ 311.505129] ? find_held_lock+0x36/0x1c0 [ 311.509193] oom_kill_process.cold.27+0x10/0x903 [ 311.513949] ? zap_class+0x640/0x640 [ 311.517664] ? check_preemption_disabled+0x48/0x280 [ 311.522675] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.527602] ? kasan_check_read+0x11/0x20 [ 311.531747] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.537063] ? oom_evaluate_task+0x540/0x540 [ 311.541471] ? find_held_lock+0x36/0x1c0 [ 311.545533] ? out_of_memory+0x974/0x1430 [ 311.549691] ? lock_downgrade+0x900/0x900 [ 311.553887] ? check_preemption_disabled+0x48/0x280 [ 311.558930] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.563851] ? kasan_check_read+0x11/0x20 [ 311.567992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.573262] ? rcu_softirq_qs+0x20/0x20 [ 311.577278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.582807] ? oom_evaluate_task+0x302/0x540 [ 311.587214] out_of_memory+0xa84/0x1430 [ 311.591289] ? oom_killer_disable+0x3a0/0x3a0 [ 311.595783] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 311.600745] ? __ww_mutex_check_waiters+0x160/0x160 [ 311.605769] __alloc_pages_slowpath+0x2354/0x2e10 [ 311.610631] ? warn_alloc+0x120/0x120 [ 311.614426] ? mark_held_locks+0x130/0x130 [ 311.618670] ? find_get_entry+0xaae/0x1120 [ 311.622964] ? filemap_map_pages+0x1a20/0x1a20 [ 311.627546] ? zap_class+0x640/0x640 [ 311.631260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.636796] ? check_preemption_disabled+0x48/0x280 [ 311.641808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.647396] ? should_fail+0x22d/0xd01 [ 311.651285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.656388] ? zap_class+0x640/0x640 [ 311.660123] ? __lock_is_held+0xb5/0x140 [ 311.664191] ? mark_held_locks+0x130/0x130 [ 311.668431] ? lock_release+0xa00/0xa00 [ 311.672418] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.677878] ? xa_load+0x2ba/0x460 [ 311.681418] ? lock_downgrade+0x900/0x900 [ 311.685578] ? __might_sleep+0x95/0x190 [ 311.689557] __alloc_pages_nodemask+0xa80/0xde0 [ 311.694493] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 311.699509] ? __page_cache_alloc+0x191/0x5c0 [ 311.704002] ? xa_load+0x2e1/0x460 [ 311.707543] ? xa_clear_mark+0x40/0x40 [ 311.711430] ? zap_class+0x640/0x640 [ 311.715165] ? zap_class+0x640/0x640 [ 311.718881] ? zap_class+0x640/0x640 [ 311.722595] ? __do_page_cache_readahead+0x663/0x810 [ 311.727711] ? find_held_lock+0x36/0x1c0 [ 311.731779] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 311.737320] alloc_pages_current+0x173/0x350 [ 311.741737] __page_cache_alloc+0x38c/0x5c0 [ 311.746057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.751015] ? kasan_check_read+0x11/0x20 [ 311.755166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.760450] ? generic_perform_write+0x6a0/0x6a0 [ 311.765205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.770743] ? check_preemption_disabled+0x48/0x280 [ 311.775767] filemap_fault+0x1595/0x25f0 [ 311.779837] ? __lock_page_or_retry+0xa00/0xa00 [ 311.784513] ? mark_held_locks+0x130/0x130 [ 311.788761] ? filemap_map_pages+0xd6b/0x1a20 [ 311.793272] ? lock_downgrade+0x900/0x900 [ 311.797421] ? check_preemption_disabled+0x48/0x280 [ 311.802464] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.807391] ? kasan_check_read+0x11/0x20 [ 311.811538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.816812] ? rcu_softirq_qs+0x20/0x20 [ 311.820803] ? filemap_map_pages+0xd92/0x1a20 [ 311.825300] ? print_usage_bug+0xc0/0xc0 [ 311.829371] ? find_get_entries_tag+0x1400/0x1400 [ 311.834210] ? __kasan_slab_free+0x102/0x150 [ 311.838618] ? kasan_slab_free+0xe/0x10 [ 311.842590] ? kmem_cache_free+0x83/0x290 [ 311.846736] ? __sigqueue_free.part.29+0x74/0x90 [ 311.851508] ? lock_acquire+0x1ed/0x520 [ 311.855481] ? ext4_filemap_fault+0x7a/0xad [ 311.859853] ? lock_release+0xa00/0xa00 [ 311.863820] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.869268] ? print_usage_bug+0xc0/0xc0 [ 311.873329] ? print_usage_bug+0xc0/0xc0 [ 311.877396] ? down_read+0x8d/0x120 [ 311.881018] ? ext4_filemap_fault+0x7a/0xad [ 311.885340] ? __down_interruptible+0x700/0x700 [ 311.890030] ext4_filemap_fault+0x82/0xad [ 311.894215] __do_fault+0x100/0x6b0 [ 311.897857] ? pmd_devmap_trans_unstable+0x220/0x220 [ 311.902965] ? mark_held_locks+0x130/0x130 [ 311.907211] ? mark_held_locks+0x130/0x130 [ 311.911485] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 311.917025] ? rcu_pm_notify+0xc0/0xc0 [ 311.920931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.926480] __handle_mm_fault+0x3ea0/0x5be0 [ 311.930896] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 311.935755] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.940262] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.944843] ? trace_hardirqs_on+0xbd/0x310 [ 311.949164] ? kasan_check_read+0x11/0x20 [ 311.953309] ? __set_current_blocked+0xdf/0x120 [ 311.957982] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.963099] ? zap_class+0x640/0x640 [ 311.966813] ? zap_class+0x640/0x640 [ 311.970541] ? find_held_lock+0x36/0x1c0 [ 311.974607] ? handle_mm_fault+0x42a/0xc70 [ 311.978841] ? lock_downgrade+0x900/0x900 [ 311.982990] ? check_preemption_disabled+0x48/0x280 [ 311.988021] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.992966] ? kasan_check_read+0x11/0x20 [ 311.997110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.002387] ? rcu_softirq_qs+0x20/0x20 [ 312.006356] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.011477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.017014] ? check_preemption_disabled+0x48/0x280 [ 312.022046] handle_mm_fault+0x54f/0xc70 [ 312.026121] ? __handle_mm_fault+0x5be0/0x5be0 [ 312.030705] ? find_vma+0x34/0x190 [ 312.034258] __do_page_fault+0x5e8/0xe60 [ 312.038317] ? exit_to_usermode_loop+0x1f4/0x380 [ 312.043074] do_page_fault+0xf2/0x7e0 [ 312.046893] ? vmalloc_sync_all+0x30/0x30 [ 312.051039] ? error_entry+0x70/0xd0 [ 312.054752] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.059793] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.064720] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.069646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.074489] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.079506] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.084958] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.089972] ? page_fault+0x8/0x30 [ 312.093512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.098358] ? page_fault+0x8/0x30 [ 312.101906] page_fault+0x1e/0x30 [ 312.105357] RIP: 0033:0x45db60 [ 312.108562] Code: Bad RIP value. [ 312.111918] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 312.117275] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 312.124551] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 312.131814] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 312.139076] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 312.146340] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 312.153628] warn_alloc_show_mem: 1 callbacks suppressed [ 312.153641] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 312.153643] Mem-Info: [ 312.153673] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 312.153673] active_file:10 inactive_file:13 isolated_file:0 [ 312.153673] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.153673] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 312.153673] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 312.153673] free:13762 free_pcp:404 free_cma:0 [ 312.159015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.166294] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.168687] Call Trace: [ 312.201732] 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 [ 312.211080] dump_stack+0x244/0x39d [ 312.238375] lowmem_reserve[]: 0 2818 6321 6321 [ 312.240971] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.267067] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 312.270693] warn_alloc.cold.116+0xb7/0x1bd [ 312.275238] lowmem_reserve[]: 0 0 3503 3503 [ 312.280454] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.308180] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 312.312495] ? lock_downgrade+0x900/0x900 [ 312.316790] lowmem_reserve[]: 0 0 0 0 [ 312.321625] ? trace_hardirqs_off+0xb8/0x310 [ 312.350569] 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 [ 312.354712] ? trace_hardirqs_off+0xb8/0x310 [ 312.358485] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 312.362885] __alloc_pages_slowpath+0x26e8/0x2e10 [ 312.376378] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 312.380799] ? warn_alloc+0x120/0x120 [ 312.396452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.401279] ? zap_class+0x640/0x640 [ 312.415298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.419079] ? warn_alloc+0x120/0x120 [ 312.427900] 267 total pagecache pages [ 312.431638] ? warn_alloc+0x120/0x120 [ 312.440187] 0 pages in swap cache [ 312.443973] ? print_usage_bug+0xc0/0xc0 [ 312.447762] Swap cache stats: add 0, delete 0, find 0/0 [ 312.451567] ? find_held_lock+0x36/0x1c0 [ 312.454994] Free swap = 0kB [ 312.459046] ? print_usage_bug+0xc0/0xc0 [ 312.464382] Total swap = 0kB [ 312.468429] ? cpuacct_charge+0x265/0x440 [ 312.471426] 1965979 pages RAM [ 312.475489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.478479] 0 pages HighMem/MovableOnly [ 312.482616] ? should_fail+0x22d/0xd01 [ 312.485689] 342853 pages reserved [ 312.491217] ? find_held_lock+0x36/0x1c0 [ 312.495158] 0 pages cma reserved [ 312.499046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.502549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.506518] ? __lock_acquire+0x62f/0x4c20 [ 312.509990] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.514971] ? should_fail+0x22d/0xd01 [ 312.521472] syz-fuzzer cpuset=/ mems_allowed=0 [ 312.525736] ? mark_held_locks+0x130/0x130 [ 312.548636] ? mark_held_locks+0x130/0x130 [ 312.552887] ? __lock_acquire+0x62f/0x4c20 [ 312.557146] ? zap_class+0x640/0x640 [ 312.560854] ? __lock_is_held+0xb5/0x140 [ 312.564917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.570458] ? check_preemption_disabled+0x48/0x280 [ 312.575484] ? __lock_is_held+0xb5/0x140 [ 312.579553] __alloc_pages_nodemask+0xa80/0xde0 [ 312.584226] ? zap_class+0x640/0x640 [ 312.587938] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 312.592977] ? find_held_lock+0x36/0x1c0 [ 312.597051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.601744] ? lock_downgrade+0x900/0x900 [ 312.605895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.611477] cache_grow_begin+0xa5/0x8c0 [ 312.615584] ? do_raw_spin_unlock+0xa7/0x330 [ 312.619998] fallback_alloc+0x204/0x2e0 [ 312.623976] ____cache_alloc_node+0x1c7/0x1e0 [ 312.628530] kmem_cache_alloc+0x1f8/0x730 [ 312.632690] skb_clone+0x1bb/0x500 [ 312.636234] ? finish_task_switch+0x1b4/0x910 [ 312.640729] ? skb_split+0x11e0/0x11e0 [ 312.644623] ? preempt_notifier_register+0x200/0x200 [ 312.649724] ? __switch_to_asm+0x34/0x70 [ 312.653780] ? __switch_to_asm+0x34/0x70 [ 312.658223] ? __switch_to_asm+0x40/0x70 [ 312.662297] ? __switch_to_asm+0x34/0x70 [ 312.666358] ? __switch_to_asm+0x40/0x70 [ 312.670457] ? __switch_to_asm+0x34/0x70 [ 312.674533] ? __switch_to_asm+0x40/0x70 [ 312.678611] ? __switch_to_asm+0x34/0x70 [ 312.682671] ? __switch_to_asm+0x34/0x70 [ 312.686728] ? __switch_to_asm+0x40/0x70 [ 312.690791] ? __switch_to_asm+0x34/0x70 [ 312.694865] bpf_clone_redirect+0xb9/0x490 [ 312.699122] ? __schedule+0x8d7/0x21d0 [ 312.703023] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 312.708046] ? __sched_text_start+0x8/0x8 [ 312.712197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.717178] ? find_held_lock+0x36/0x1c0 [ 312.721257] ? lock_acquire+0x1ed/0x520 [ 312.725240] ? bpf_test_run+0x3cb/0x780 [ 312.729223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.734772] ? check_preemption_disabled+0x48/0x280 [ 312.739801] ? kasan_check_read+0x11/0x20 [ 312.743954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.749233] ? rcu_softirq_qs+0x20/0x20 [ 312.753214] ? preempt_schedule+0x4d/0x60 [ 312.757364] ? ___preempt_schedule+0x16/0x18 [ 312.761784] ? bpf_test_run+0x25d/0x780 [ 312.765789] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.770205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.775747] ? bpf_test_init.isra.10+0x70/0x100 [ 312.780425] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 312.785200] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.790051] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.795587] ? fput+0x130/0x1a0 [ 312.798868] ? __bpf_prog_get+0x9b/0x290 [ 312.802934] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.807779] ? bpf_prog_test_run+0x130/0x1a0 [ 312.812215] ? __x64_sys_bpf+0x3d8/0x520 [ 312.816282] ? bpf_prog_get+0x20/0x20 [ 312.820107] ? do_syscall_64+0x1b9/0x820 [ 312.824169] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.829541] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.834506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.839354] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.844373] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.849395] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.854422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.859282] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.864665] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 312.871594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.880944] Call Trace: [ 312.883538] <IRQ> [ 312.885714] dump_stack+0x244/0x39d [ 312.889354] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.894558] warn_alloc.cold.116+0xb7/0x1bd [ 312.898889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.903748] ? lock_downgrade+0x900/0x900 [ 312.907909] ? trace_hardirqs_off+0xb8/0x310 [ 312.912359] ? trace_hardirqs_off+0xb8/0x310 [ 312.916778] __alloc_pages_slowpath+0x26e8/0x2e10 [ 312.921665] ? warn_alloc+0x120/0x120 [ 312.925477] ? print_usage_bug+0xc0/0xc0 [ 312.929546] ? warn_alloc+0x120/0x120 [ 312.929717] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.933368] ? warn_alloc+0x120/0x120 [ 312.943840] syz-executor2 cpuset=syz2 mems_allowed=0 [ 312.947631] ? print_usage_bug+0xc0/0xc0 [ 312.956784] ? kvm_clock_read+0x18/0x30 [ 312.960777] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 312.965811] ? print_usage_bug+0xc0/0xc0 [ 312.969873] ? __lock_acquire+0x62f/0x4c20 [ 312.974108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.979645] ? should_fail+0x22d/0xd01 [ 312.983532] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.988813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.993916] ? __lock_acquire+0x62f/0x4c20 [ 312.998156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.003276] ? __lock_acquire+0x62f/0x4c20 [ 313.007508] ? should_fail+0x22d/0xd01 [ 313.011406] ? rcu_irq_exit+0x1a2/0x390 [ 313.015415] ? mark_held_locks+0x130/0x130 [ 313.019660] ? mark_held_locks+0x130/0x130 [ 313.023911] ? mark_held_locks+0xc7/0x130 [ 313.028158] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 313.033211] ? zap_class+0x640/0x640 [ 313.036921] ? print_usage_bug+0xc0/0xc0 [ 313.040987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.046528] ? check_preemption_disabled+0x48/0x280 [ 313.051555] ? __lock_is_held+0xb5/0x140 [ 313.055621] __alloc_pages_nodemask+0xa80/0xde0 [ 313.060287] ? zap_class+0x640/0x640 [ 313.064008] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 313.069037] ? find_held_lock+0x36/0x1c0 [ 313.073105] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.077773] ? lock_downgrade+0x900/0x900 [ 313.081956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.087539] cache_grow_begin+0xa5/0x8c0 [ 313.091600] ? do_raw_spin_unlock+0xa7/0x330 [ 313.096024] fallback_alloc+0x204/0x2e0 [ 313.100006] ____cache_alloc_node+0x1c7/0x1e0 [ 313.104522] kmem_cache_alloc_node+0xe3/0x730 [ 313.109016] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.113261] __alloc_skb+0x119/0x770 [ 313.116977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.122257] ? netdev_alloc_frag+0x1f0/0x1f0 [ 313.126661] ? lock_downgrade+0x900/0x900 [ 313.130815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.136350] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.141803] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.147266] ? addrconf_rs_timer+0x690/0x690 [ 313.151685] ndisc_alloc_skb+0x144/0x340 [ 313.155756] ndisc_send_rs+0x331/0x6e0 [ 313.159667] addrconf_rs_timer+0x314/0x690 [ 313.163911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.168170] call_timer_fn+0x272/0x920 [ 313.172056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.176294] ? process_timeout+0x40/0x40 [ 313.180366] ? mark_held_locks+0xc7/0x130 [ 313.184515] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.189006] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.193502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.197743] ? lockdep_hardirqs_on+0x296/0x5b0 [ 313.202327] ? trace_hardirqs_on+0xbd/0x310 [ 313.206648] ? kasan_check_read+0x11/0x20 [ 313.210794] ? __run_timers+0x7da/0xc70 [ 313.214779] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.219885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.224121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.228350] __run_timers+0x7e5/0xc70 [ 313.232160] ? timer_fixup_init+0x70/0x70 [ 313.236306] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.241321] ? zap_class+0x640/0x640 [ 313.245041] ? print_usage_bug+0xc0/0xc0 [ 313.249103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.254295] ? find_held_lock+0x36/0x1c0 [ 313.258357] ? zap_class+0x640/0x640 [ 313.262076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.267614] ? check_preemption_disabled+0x48/0x280 [ 313.272654] ? __lock_is_held+0xb5/0x140 [ 313.276720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.282257] ? check_preemption_disabled+0x48/0x280 [ 313.287280] run_timer_softirq+0x52/0xb0 [ 313.291345] ? rcu_read_lock_sched_held+0x14f/0x180 [ 313.296363] __do_softirq+0x308/0xb7e [ 313.300198] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 313.304729] ? lock_downgrade+0x900/0x900 [ 313.308897] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 313.314002] ? pvclock_read_flags+0x160/0x160 [ 313.318523] ? lapic_next_event+0x5a/0x90 [ 313.322674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.328224] ? kvm_clock_read+0x18/0x30 [ 313.332196] ? kvm_sched_clock_read+0x9/0x20 [ 313.336605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.342145] ? check_preemption_disabled+0x48/0x280 [ 313.347176] irq_exit+0x17f/0x1c0 [ 313.350659] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.355498] ? smp_reschedule_interrupt+0x109/0x650 [ 313.360514] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.366395] ? interrupt_entry+0xb5/0xc0 [ 313.370462] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.375480] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.380499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.385339] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.390352] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.395368] ? task_prio+0x50/0x50 [ 313.398927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.404470] ? check_preemption_disabled+0x48/0x280 [ 313.409494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.414360] apic_timer_interrupt+0xf/0x20 [ 313.418618] </IRQ> [ 313.420861] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 313.426052] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 313.444963] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.452671] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 313.459938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 313.467221] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 313.474484] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 313.481752] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 313.489054] retint_kernel+0x1b/0x2d [ 313.492767] RIP: 0010:dump_stack+0x358/0x39d [ 313.497171] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 313.516072] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 313.523779] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 313.531046] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 313.538309] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 313.545589] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 313.552892] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 313.560198] ? dump_stack+0x34f/0x39d [ 313.564012] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.569209] ? mark_held_locks+0x130/0x130 [ 313.573466] ? mark_held_locks+0x130/0x130 [ 313.577716] dump_header+0x27b/0xf72 [ 313.581454] ? pagefault_out_of_memory+0x197/0x197 [ 313.586388] ? __lock_acquire+0x62f/0x4c20 [ 313.590847] ? percpu_ref_get_many+0x240/0x240 [ 313.595442] ? print_usage_bug+0xc0/0xc0 [ 313.599515] ? zap_class+0x640/0x640 [ 313.603233] ? print_usage_bug+0xc0/0xc0 [ 313.607306] ? print_usage_bug+0xc0/0xc0 [ 313.611371] ? zap_class+0x640/0x640 [ 313.615093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.620652] ? find_held_lock+0x36/0x1c0 [ 313.624726] ? mark_held_locks+0xc7/0x130 [ 313.628881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 313.633983] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 313.639086] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 313.643675] ? trace_hardirqs_on+0xbd/0x310 [ 313.648016] ? kasan_check_read+0x11/0x20 [ 313.652157] ? ___ratelimit+0x3b4/0x672 [ 313.656129] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.661231] ? trace_hardirqs_on+0x310/0x310 [ 313.665635] ? lock_downgrade+0x900/0x900 [ 313.669874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.674980] ? ___ratelimit+0x3b9/0x672 [ 313.678962] ? idr_get_free+0xf70/0xf70 [ 313.682937] ? find_held_lock+0x36/0x1c0 [ 313.687010] oom_kill_process.cold.27+0x10/0x903 [ 313.692026] ? zap_class+0x640/0x640 [ 313.695747] ? check_preemption_disabled+0x48/0x280 [ 313.700775] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 313.705713] ? kasan_check_read+0x11/0x20 [ 313.709861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.715142] ? oom_evaluate_task+0x540/0x540 [ 313.719556] ? find_held_lock+0x36/0x1c0 [ 313.723750] ? out_of_memory+0x974/0x1430 [ 313.727898] ? lock_downgrade+0x900/0x900 [ 313.732043] ? check_preemption_disabled+0x48/0x280 [ 313.737078] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 313.742008] ? kasan_check_read+0x11/0x20 [ 313.746153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.751432] ? rcu_softirq_qs+0x20/0x20 [ 313.755420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.760961] ? oom_evaluate_task+0x302/0x540 [ 313.765376] out_of_memory+0xa84/0x1430 [ 313.769359] ? oom_killer_disable+0x3a0/0x3a0 [ 313.773852] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 313.778800] ? __ww_mutex_check_waiters+0x160/0x160 [ 313.783855] __alloc_pages_slowpath+0x2354/0x2e10 [ 313.788730] ? warn_alloc+0x120/0x120 [ 313.792528] ? mark_held_locks+0x130/0x130 [ 313.796770] ? find_get_entry+0xaae/0x1120 [ 313.801032] ? filemap_map_pages+0x1a20/0x1a20 [ 313.805623] ? zap_class+0x640/0x640 [ 313.809349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.814889] ? check_preemption_disabled+0x48/0x280 [ 313.819906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.825467] ? should_fail+0x22d/0xd01 [ 313.829356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.834468] ? zap_class+0x640/0x640 [ 313.838207] ? __lock_is_held+0xb5/0x140 [ 313.842277] ? mark_held_locks+0x130/0x130 [ 313.846549] ? lock_release+0xa00/0xa00 [ 313.850528] ? perf_trace_sched_process_exec+0x860/0x860 [ 313.855980] ? xa_load+0x2ba/0x460 [ 313.859537] ? lock_downgrade+0x900/0x900 [ 313.863706] ? __might_sleep+0x95/0x190 [ 313.867692] __alloc_pages_nodemask+0xa80/0xde0 [ 313.872390] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 313.877404] ? __page_cache_alloc+0x191/0x5c0 [ 313.881908] ? xa_load+0x2e1/0x460 [ 313.885456] ? xa_clear_mark+0x40/0x40 [ 313.889348] ? zap_class+0x640/0x640 [ 313.893073] ? zap_class+0x640/0x640 [ 313.896799] ? zap_class+0x640/0x640 [ 313.900509] ? __do_page_cache_readahead+0x663/0x810 [ 313.905614] ? find_held_lock+0x36/0x1c0 [ 313.909679] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 313.915237] alloc_pages_current+0x173/0x350 [ 313.919653] __page_cache_alloc+0x38c/0x5c0 [ 313.923970] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 313.928914] ? kasan_check_read+0x11/0x20 [ 313.933061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.938338] ? generic_perform_write+0x6a0/0x6a0 [ 313.943109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.948650] ? check_preemption_disabled+0x48/0x280 [ 313.953670] filemap_fault+0x1595/0x25f0 [ 313.957766] ? __lock_page_or_retry+0xa00/0xa00 [ 313.962491] ? mark_held_locks+0x130/0x130 [ 313.966750] ? filemap_map_pages+0xd6b/0x1a20 [ 313.971248] ? lock_downgrade+0x900/0x900 [ 313.975401] ? check_preemption_disabled+0x48/0x280 [ 313.980423] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 313.985357] ? kasan_check_read+0x11/0x20 [ 313.989505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.994780] ? rcu_softirq_qs+0x20/0x20 [ 313.998780] ? filemap_map_pages+0xd92/0x1a20 [ 314.003280] ? print_usage_bug+0xc0/0xc0 [ 314.007348] ? find_get_entries_tag+0x1400/0x1400 [ 314.012193] ? __kasan_slab_free+0x102/0x150 [ 314.016610] ? kasan_slab_free+0xe/0x10 [ 314.020582] ? kmem_cache_free+0x83/0x290 [ 314.024759] ? __sigqueue_free.part.29+0x74/0x90 [ 314.029576] ? lock_acquire+0x1ed/0x520 [ 314.033582] ? ext4_filemap_fault+0x7a/0xad [ 314.037907] ? lock_release+0xa00/0xa00 [ 314.041894] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.047342] ? print_usage_bug+0xc0/0xc0 [ 314.051403] ? print_usage_bug+0xc0/0xc0 [ 314.055483] ? down_read+0x8d/0x120 [ 314.059104] ? ext4_filemap_fault+0x7a/0xad [ 314.063428] ? __down_interruptible+0x700/0x700 [ 314.068133] ext4_filemap_fault+0x82/0xad [ 314.072279] __do_fault+0x100/0x6b0 [ 314.075908] ? pmd_devmap_trans_unstable+0x220/0x220 [ 314.081010] ? mark_held_locks+0x130/0x130 [ 314.085246] ? mark_held_locks+0x130/0x130 [ 314.089487] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 314.095024] ? rcu_pm_notify+0xc0/0xc0 [ 314.098934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.104481] __handle_mm_fault+0x3ea0/0x5be0 [ 314.108902] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 314.113755] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.118252] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.122837] ? trace_hardirqs_on+0xbd/0x310 [ 314.127161] ? kasan_check_read+0x11/0x20 [ 314.131306] ? __set_current_blocked+0xdf/0x120 [ 314.135991] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.141119] ? zap_class+0x640/0x640 [ 314.144835] ? zap_class+0x640/0x640 [ 314.148556] ? find_held_lock+0x36/0x1c0 [ 314.152644] ? handle_mm_fault+0x42a/0xc70 [ 314.156921] ? lock_downgrade+0x900/0x900 [ 314.161068] ? check_preemption_disabled+0x48/0x280 [ 314.166136] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.171079] ? kasan_check_read+0x11/0x20 [ 314.175236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.180513] ? rcu_softirq_qs+0x20/0x20 [ 314.184487] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.189591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.195128] ? check_preemption_disabled+0x48/0x280 [ 314.200167] handle_mm_fault+0x54f/0xc70 [ 314.204233] ? __handle_mm_fault+0x5be0/0x5be0 [ 314.208818] ? find_vma+0x34/0x190 [ 314.212376] __do_page_fault+0x5e8/0xe60 [ 314.216443] ? exit_to_usermode_loop+0x1f4/0x380 [ 314.221208] do_page_fault+0xf2/0x7e0 [ 314.225013] ? vmalloc_sync_all+0x30/0x30 [ 314.229162] ? error_entry+0x70/0xd0 [ 314.232879] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.237890] ? trace_hardirqs_on_caller+0xc0/0x310 [ 314.242820] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.247746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.252592] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.257606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.263060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 314.268075] ? page_fault+0x8/0x30 [ 314.271615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.276467] ? page_fault+0x8/0x30 [ 314.280008] page_fault+0x1e/0x30 [ 314.283476] RIP: 0033:0x45db60 [ 314.286679] Code: Bad RIP value. [ 314.290060] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 314.295418] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 314.302689] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 314.309961] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 314.317225] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 314.324490] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 314.331789] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 314.331795] warn_alloc_show_mem: 1 callbacks suppressed [ 314.331803] Mem-Info: [ 314.339077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.344457] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 314.344457] active_file:10 inactive_file:13 isolated_file:0 [ 314.344457] unevictable:0 dirty:0 writeback:0 unstable:0 [ 314.344457] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 314.344457] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 314.344457] free:13762 free_pcp:404 free_cma:0 [ 314.346826] Call Trace: [ 314.356214] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 314.388991] dump_stack+0x244/0x39d [ 314.391549] 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 [ 314.418869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.422467] lowmem_reserve[]: 0 2818 6321 6321 [ 314.448592] warn_alloc.cold.116+0xb7/0x1bd [ 314.453744] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 314.458328] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.462633] lowmem_reserve[]: 0 0 3503 3503 [ 314.490127] ? lock_downgrade+0x900/0x900 [ 314.494938] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 314.499260] ? trace_hardirqs_off+0xb8/0x310 [ 314.503373] lowmem_reserve[]: 0 0 0 0 [ 314.532345] ? trace_hardirqs_off+0xb8/0x310 [ 314.536733] 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 [ 314.540535] __alloc_pages_slowpath+0x26e8/0x2e10 [ 314.544905] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 314.558467] ? warn_alloc+0x120/0x120 [ 314.563254] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 314.578683] ? zap_class+0x640/0x640 [ 314.582468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.596516] ? warn_alloc+0x120/0x120 [ 314.600208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.609040] ? warn_alloc+0x120/0x120 [ 314.612815] 267 total pagecache pages [ 314.621397] ? print_usage_bug+0xc0/0xc0 [ 314.625175] 0 pages in swap cache [ 314.628962] ? print_usage_bug+0xc0/0xc0 [ 314.632999] Swap cache stats: add 0, delete 0, find 0/0 [ 314.636447] ? cpuacct_charge+0x265/0x440 [ 314.640495] Free swap = 0kB [ 314.645853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.649975] Total swap = 0kB [ 314.652988] ? should_fail+0x22d/0xd01 [ 314.658499] 1965979 pages RAM [ 314.661512] ? find_held_lock+0x36/0x1c0 [ 314.665377] 0 pages HighMem/MovableOnly [ 314.668479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.672508] 342853 pages reserved [ 314.672518] 0 pages cma reserved [ 314.676488] ? __lock_acquire+0x62f/0x4c20 [ 314.681657] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.685011] ? should_fail+0x22d/0xd01 [ 314.688582] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.692598] ? __update_load_avg_blocked_se+0x690/0x690 [ 314.699069] syz-fuzzer cpuset=/ mems_allowed=0 [ 314.702957] ? mark_held_locks+0x130/0x130 [ 314.727303] ? mark_held_locks+0x130/0x130 [ 314.731545] ? __lock_acquire+0x62f/0x4c20 [ 314.735786] ? update_load_avg+0x387/0x2470 [ 314.740113] ? zap_class+0x640/0x640 [ 314.743839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.749384] ? check_preemption_disabled+0x48/0x280 [ 314.754423] ? __lock_is_held+0xb5/0x140 [ 314.758528] __alloc_pages_nodemask+0xa80/0xde0 [ 314.763198] ? zap_class+0x640/0x640 [ 314.766928] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 314.771958] ? find_held_lock+0x36/0x1c0 [ 314.776032] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.780727] ? lock_downgrade+0x900/0x900 [ 314.784886] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.790450] cache_grow_begin+0xa5/0x8c0 [ 314.794544] ? do_raw_spin_unlock+0xa7/0x330 [ 314.798967] fallback_alloc+0x204/0x2e0 [ 314.802952] ____cache_alloc_node+0x1c7/0x1e0 [ 314.807465] kmem_cache_alloc+0x1f8/0x730 [ 314.811634] skb_clone+0x1bb/0x500 [ 314.815177] ? finish_task_switch+0x2f4/0x910 [ 314.819679] ? skb_split+0x11e0/0x11e0 [ 314.823574] ? preempt_notifier_register+0x200/0x200 [ 314.828678] ? __switch_to_asm+0x34/0x70 [ 314.832755] ? __switch_to_asm+0x34/0x70 [ 314.836824] ? __switch_to_asm+0x40/0x70 [ 314.840885] ? __switch_to_asm+0x34/0x70 [ 314.844960] ? __switch_to_asm+0x40/0x70 [ 314.849037] ? __switch_to_asm+0x34/0x70 [ 314.853125] ? __switch_to_asm+0x40/0x70 [ 314.857200] ? __switch_to_asm+0x34/0x70 [ 314.861267] ? __switch_to_asm+0x34/0x70 [ 314.865325] ? __switch_to_asm+0x40/0x70 [ 314.869386] ? __switch_to_asm+0x34/0x70 [ 314.873474] bpf_clone_redirect+0xb9/0x490 [ 314.877714] ? __schedule+0x8d7/0x21d0 [ 314.881608] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 314.886633] ? __sched_text_start+0x8/0x8 [ 314.890784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.895573] ? find_held_lock+0x36/0x1c0 [ 314.899662] ? lock_acquire+0x1ed/0x520 [ 314.903655] ? bpf_test_run+0x3cb/0x780 [ 314.907631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.913172] ? check_preemption_disabled+0x48/0x280 [ 314.918215] ? kasan_check_read+0x11/0x20 [ 314.922369] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.927645] ? rcu_softirq_qs+0x20/0x20 [ 314.931624] ? preempt_schedule+0x4d/0x60 [ 314.935792] ? ___preempt_schedule+0x16/0x18 [ 314.940216] ? bpf_test_run+0x25d/0x780 [ 314.944199] ? netlink_diag_dump+0x2a0/0x2a0 [ 314.948620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.954156] ? bpf_test_init.isra.10+0x70/0x100 [ 314.958830] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 314.963602] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 314.968450] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.973991] ? fput+0x130/0x1a0 [ 314.977269] ? __bpf_prog_get+0x9b/0x290 [ 314.981337] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 314.986175] ? bpf_prog_test_run+0x130/0x1a0 [ 314.990589] ? __x64_sys_bpf+0x3d8/0x520 [ 314.994655] ? bpf_prog_get+0x20/0x20 [ 314.998496] ? do_syscall_64+0x1b9/0x820 [ 315.002560] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.007924] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.012868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.017732] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.022771] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 315.027801] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.032842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.037725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.043141] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 315.050070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.059424] Call Trace: [ 315.062015] <IRQ> [ 315.064188] dump_stack+0x244/0x39d [ 315.067826] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.073047] warn_alloc.cold.116+0xb7/0x1bd [ 315.077380] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.082230] ? lock_downgrade+0x900/0x900 [ 315.085485] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.086394] ? trace_hardirqs_off+0xb8/0x310 [ 315.096859] syz-executor2 cpuset=syz2 mems_allowed=0 [ 315.101259] ? trace_hardirqs_off+0xb8/0x310 [ 315.110764] __alloc_pages_slowpath+0x26e8/0x2e10 [ 315.115638] ? warn_alloc+0x120/0x120 [ 315.119464] ? print_usage_bug+0xc0/0xc0 [ 315.123544] ? warn_alloc+0x120/0x120 [ 315.127347] ? warn_alloc+0x120/0x120 [ 315.131148] ? print_usage_bug+0xc0/0xc0 [ 315.135211] ? print_usage_bug+0xc0/0xc0 [ 315.139287] ? __lock_acquire+0x62f/0x4c20 [ 315.143522] ? __lock_acquire+0x62f/0x4c20 [ 315.147761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.153297] ? should_fail+0x22d/0xd01 [ 315.157196] ? __lock_acquire+0x62f/0x4c20 [ 315.161428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.166552] ? __lock_acquire+0x62f/0x4c20 [ 315.170802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.175915] ? __lock_acquire+0x62f/0x4c20 [ 315.180173] ? should_fail+0x22d/0xd01 [ 315.184063] ? mark_held_locks+0x130/0x130 [ 315.188297] ? mark_held_locks+0x130/0x130 [ 315.192536] ? zap_class+0x640/0x640 [ 315.196244] ? print_usage_bug+0xc0/0xc0 [ 315.200307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.205846] ? check_preemption_disabled+0x48/0x280 [ 315.210869] ? __lock_is_held+0xb5/0x140 [ 315.214934] __alloc_pages_nodemask+0xa80/0xde0 [ 315.219605] ? zap_class+0x640/0x640 [ 315.223321] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 315.228346] ? find_held_lock+0x36/0x1c0 [ 315.232430] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.237106] ? lock_downgrade+0x900/0x900 [ 315.241264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.246804] cache_grow_begin+0xa5/0x8c0 [ 315.250866] ? do_raw_spin_unlock+0xa7/0x330 [ 315.255281] fallback_alloc+0x204/0x2e0 [ 315.259260] ____cache_alloc_node+0x1c7/0x1e0 [ 315.263756] kmem_cache_alloc_node+0xe3/0x730 [ 315.268265] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.272506] __alloc_skb+0x119/0x770 [ 315.276212] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.281505] ? netdev_alloc_frag+0x1f0/0x1f0 [ 315.285912] ? lock_downgrade+0x900/0x900 [ 315.290068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.295612] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.301071] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.306526] ? addrconf_rs_timer+0x690/0x690 [ 315.310948] ndisc_alloc_skb+0x144/0x340 [ 315.315013] ndisc_send_rs+0x331/0x6e0 [ 315.318909] addrconf_rs_timer+0x314/0x690 [ 315.323153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.327417] call_timer_fn+0x272/0x920 [ 315.331311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.335545] ? process_timeout+0x40/0x40 [ 315.339618] ? mark_held_locks+0xc7/0x130 [ 315.343770] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.348262] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.352753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.356988] ? lockdep_hardirqs_on+0x296/0x5b0 [ 315.361576] ? trace_hardirqs_on+0xbd/0x310 [ 315.365912] ? kasan_check_read+0x11/0x20 [ 315.370059] ? __run_timers+0x7da/0xc70 [ 315.374031] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.379164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.383399] __run_timers+0x7e5/0xc70 [ 315.387210] ? timer_fixup_init+0x70/0x70 [ 315.391359] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.396376] ? zap_class+0x640/0x640 [ 315.400096] ? print_usage_bug+0xc0/0xc0 [ 315.404174] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.409367] ? find_held_lock+0x36/0x1c0 [ 315.413428] ? zap_class+0x640/0x640 [ 315.417153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.422695] ? check_preemption_disabled+0x48/0x280 [ 315.427757] ? __lock_is_held+0xb5/0x140 [ 315.431852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.437415] ? check_preemption_disabled+0x48/0x280 [ 315.442474] run_timer_softirq+0x52/0xb0 [ 315.446535] ? rcu_read_lock_sched_held+0x14f/0x180 [ 315.451552] __do_softirq+0x308/0xb7e [ 315.455352] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 315.459844] ? lock_downgrade+0x900/0x900 [ 315.463996] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 315.469109] ? pvclock_read_flags+0x160/0x160 [ 315.473605] ? lapic_next_event+0x5a/0x90 [ 315.477751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.483306] ? kvm_clock_read+0x18/0x30 [ 315.487281] ? kvm_sched_clock_read+0x9/0x20 [ 315.491687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.497224] ? check_preemption_disabled+0x48/0x280 [ 315.502246] irq_exit+0x17f/0x1c0 [ 315.505722] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.510567] ? smp_reschedule_interrupt+0x109/0x650 [ 315.515602] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.521487] ? interrupt_entry+0xb5/0xc0 [ 315.525563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.530575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.535593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.540434] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.545459] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.550504] ? task_prio+0x50/0x50 [ 315.554044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.559582] ? check_preemption_disabled+0x48/0x280 [ 315.564619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.569478] apic_timer_interrupt+0xf/0x20 [ 315.573712] </IRQ> [ 315.575953] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 315.581161] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 315.600309] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 315.608048] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 315.615315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 315.622581] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 315.629849] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 315.637116] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 315.644432] retint_kernel+0x1b/0x2d [ 315.648184] RIP: 0010:dump_stack+0x358/0x39d [ 315.652590] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 315.671501] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 315.679208] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 315.686473] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 315.693740] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 315.701006] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 315.708274] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 315.715579] ? dump_stack+0x34f/0x39d [ 315.719395] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.724594] ? mark_held_locks+0x130/0x130 [ 315.728836] ? mark_held_locks+0x130/0x130 [ 315.733078] dump_header+0x27b/0xf72 [ 315.736805] ? pagefault_out_of_memory+0x197/0x197 [ 315.741749] ? __lock_acquire+0x62f/0x4c20 [ 315.745986] ? percpu_ref_get_many+0x240/0x240 [ 315.750570] ? print_usage_bug+0xc0/0xc0 [ 315.754636] ? zap_class+0x640/0x640 [ 315.758349] ? print_usage_bug+0xc0/0xc0 [ 315.762412] ? print_usage_bug+0xc0/0xc0 [ 315.766515] ? zap_class+0x640/0x640 [ 315.770237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.775777] ? find_held_lock+0x36/0x1c0 [ 315.779861] ? mark_held_locks+0xc7/0x130 [ 315.784013] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.789129] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.794233] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 315.798822] ? trace_hardirqs_on+0xbd/0x310 [ 315.803144] ? kasan_check_read+0x11/0x20 [ 315.807304] ? ___ratelimit+0x3b4/0x672 [ 315.811280] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.816387] ? trace_hardirqs_on+0x310/0x310 [ 315.820830] ? lock_downgrade+0x900/0x900 [ 315.824985] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.830100] ? ___ratelimit+0x3b9/0x672 [ 315.834092] ? idr_get_free+0xf70/0xf70 [ 315.838066] ? find_held_lock+0x36/0x1c0 [ 315.842140] oom_kill_process.cold.27+0x10/0x903 [ 315.846896] ? zap_class+0x640/0x640 [ 315.850615] ? check_preemption_disabled+0x48/0x280 [ 315.855635] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.860565] ? kasan_check_read+0x11/0x20 [ 315.864718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.870015] ? oom_evaluate_task+0x540/0x540 [ 315.874463] ? find_held_lock+0x36/0x1c0 [ 315.878545] ? out_of_memory+0x974/0x1430 [ 315.882696] ? lock_downgrade+0x900/0x900 [ 315.886844] ? check_preemption_disabled+0x48/0x280 [ 315.891861] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 315.896787] ? kasan_check_read+0x11/0x20 [ 315.900950] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.906239] ? rcu_softirq_qs+0x20/0x20 [ 315.910216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.915767] ? oom_evaluate_task+0x302/0x540 [ 315.920179] out_of_memory+0xa84/0x1430 [ 315.924175] ? oom_killer_disable+0x3a0/0x3a0 [ 315.928666] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 315.933605] ? __ww_mutex_check_waiters+0x160/0x160 [ 315.938637] __alloc_pages_slowpath+0x2354/0x2e10 [ 315.943511] ? warn_alloc+0x120/0x120 [ 315.947314] ? mark_held_locks+0x130/0x130 [ 315.951556] ? find_get_entry+0xaae/0x1120 [ 315.955818] ? filemap_map_pages+0x1a20/0x1a20 [ 315.960401] ? zap_class+0x640/0x640 [ 315.964114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.969660] ? check_preemption_disabled+0x48/0x280 [ 315.974674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.980207] ? should_fail+0x22d/0xd01 [ 315.984101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.989219] ? zap_class+0x640/0x640 [ 315.992953] ? __lock_is_held+0xb5/0x140 [ 315.997026] ? mark_held_locks+0x130/0x130 [ 316.001278] ? lock_release+0xa00/0xa00 [ 316.005250] ? perf_trace_sched_process_exec+0x860/0x860 [ 316.010717] ? xa_load+0x2ba/0x460 [ 316.014263] ? lock_downgrade+0x900/0x900 [ 316.018413] ? __might_sleep+0x95/0x190 [ 316.022397] __alloc_pages_nodemask+0xa80/0xde0 [ 316.027074] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 316.032094] ? __page_cache_alloc+0x191/0x5c0 [ 316.036586] ? xa_load+0x2e1/0x460 [ 316.040121] ? xa_clear_mark+0x40/0x40 [ 316.044004] ? zap_class+0x640/0x640 [ 316.047765] ? zap_class+0x640/0x640 [ 316.051513] ? zap_class+0x640/0x640 [ 316.055221] ? __do_page_cache_readahead+0x663/0x810 [ 316.060326] ? find_held_lock+0x36/0x1c0 [ 316.064395] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 316.069936] alloc_pages_current+0x173/0x350 [ 316.074366] __page_cache_alloc+0x38c/0x5c0 [ 316.078684] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 316.083611] ? kasan_check_read+0x11/0x20 [ 316.087772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.093048] ? generic_perform_write+0x6a0/0x6a0 [ 316.097820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.103358] ? check_preemption_disabled+0x48/0x280 [ 316.108381] filemap_fault+0x1595/0x25f0 [ 316.112465] ? __lock_page_or_retry+0xa00/0xa00 [ 316.117134] ? mark_held_locks+0x130/0x130 [ 316.121378] ? filemap_map_pages+0xd6b/0x1a20 [ 316.125869] ? lock_downgrade+0x900/0x900 [ 316.130016] ? check_preemption_disabled+0x48/0x280 [ 316.135033] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 316.139959] ? kasan_check_read+0x11/0x20 [ 316.144106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.149382] ? rcu_softirq_qs+0x20/0x20 [ 316.153368] ? filemap_map_pages+0xd92/0x1a20 [ 316.157863] ? print_usage_bug+0xc0/0xc0 [ 316.161929] ? find_get_entries_tag+0x1400/0x1400 [ 316.166770] ? __kasan_slab_free+0x102/0x150 [ 316.171175] ? kasan_slab_free+0xe/0x10 [ 316.175142] ? kmem_cache_free+0x83/0x290 [ 316.179310] ? __sigqueue_free.part.29+0x74/0x90 [ 316.184113] ? lock_acquire+0x1ed/0x520 [ 316.188082] ? ext4_filemap_fault+0x7a/0xad [ 316.192421] ? lock_release+0xa00/0xa00 [ 316.196431] ? perf_trace_sched_process_exec+0x860/0x860 [ 316.201893] ? print_usage_bug+0xc0/0xc0 [ 316.205956] ? print_usage_bug+0xc0/0xc0 [ 316.210030] ? down_read+0x8d/0x120 [ 316.213671] ? ext4_filemap_fault+0x7a/0xad [ 316.217994] ? __down_interruptible+0x700/0x700 [ 316.222673] ext4_filemap_fault+0x82/0xad [ 316.226853] __do_fault+0x100/0x6b0 [ 316.230521] ? pmd_devmap_trans_unstable+0x220/0x220 [ 316.235625] ? mark_held_locks+0x130/0x130 [ 316.239854] ? mark_held_locks+0x130/0x130 [ 316.244102] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 316.249651] ? rcu_pm_notify+0xc0/0xc0 [ 316.253547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.259084] __handle_mm_fault+0x3ea0/0x5be0 [ 316.263496] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 316.268329] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.272826] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 316.277407] ? trace_hardirqs_on+0xbd/0x310 [ 316.281744] ? kasan_check_read+0x11/0x20 [ 316.285887] ? __set_current_blocked+0xdf/0x120 [ 316.290573] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.295691] ? zap_class+0x640/0x640 [ 316.299454] ? zap_class+0x640/0x640 [ 316.303190] ? find_held_lock+0x36/0x1c0 [ 316.307263] ? handle_mm_fault+0x42a/0xc70 [ 316.311500] ? lock_downgrade+0x900/0x900 [ 316.315651] ? check_preemption_disabled+0x48/0x280 [ 316.320672] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 316.325601] ? kasan_check_read+0x11/0x20 [ 316.329750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.335023] ? rcu_softirq_qs+0x20/0x20 [ 316.338993] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.344112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.349647] ? check_preemption_disabled+0x48/0x280 [ 316.354668] handle_mm_fault+0x54f/0xc70 [ 316.358761] ? __handle_mm_fault+0x5be0/0x5be0 [ 316.363343] ? find_vma+0x34/0x190 [ 316.366885] __do_page_fault+0x5e8/0xe60 [ 316.370943] ? exit_to_usermode_loop+0x1f4/0x380 [ 316.375714] do_page_fault+0xf2/0x7e0 [ 316.379517] ? vmalloc_sync_all+0x30/0x30 [ 316.383663] ? error_entry+0x70/0xd0 [ 316.387378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.392391] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.397318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.402247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.407105] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.412120] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.417577] ? prepare_exit_to_usermode+0x291/0x3b0 [ 316.422591] ? page_fault+0x8/0x30 [ 316.426165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.431004] ? page_fault+0x8/0x30 [ 316.434570] page_fault+0x1e/0x30 [ 316.438033] RIP: 0033:0x45db60 [ 316.441230] Code: Bad RIP value. [ 316.444606] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 316.449962] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 316.457223] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 316.464525] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 316.471787] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 316.479051] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 316.486331] warn_alloc_show_mem: 1 callbacks suppressed [ 316.486344] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 316.486346] Mem-Info: [ 316.486375] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 316.486375] active_file:10 inactive_file:13 isolated_file:0 [ 316.486375] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.486375] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 316.486375] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 316.486375] free:13762 free_pcp:404 free_cma:0 [ 316.491718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.498986] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.501382] Call Trace: [ 316.534156] 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 [ 316.543510] dump_stack+0x244/0x39d [ 316.570802] lowmem_reserve[]: 0 2818 6321 6321 [ 316.573386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.599466] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 316.603095] warn_alloc.cold.116+0xb7/0x1bd [ 316.607635] lowmem_reserve[]: 0 0 3503 3503 [ 316.612824] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.640295] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 316.644611] ? lock_downgrade+0x900/0x900 [ 316.648900] lowmem_reserve[]: 0 0 0 0 [ 316.653756] ? trace_hardirqs_off+0xb8/0x310 [ 316.682696] 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 [ 316.686872] ? trace_hardirqs_off+0xb8/0x310 [ 316.690640] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 316.695051] __alloc_pages_slowpath+0x26e8/0x2e10 [ 316.708541] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 316.712989] ? warn_alloc+0x120/0x120 [ 316.728390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.733231] ? zap_class+0x640/0x640 [ 316.747250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.751035] ? warn_alloc+0x120/0x120 [ 316.759843] 267 total pagecache pages [ 316.763562] ? warn_alloc+0x120/0x120 [ 316.772112] 0 pages in swap cache [ 316.775903] ? print_usage_bug+0xc0/0xc0 [ 316.779679] Swap cache stats: add 0, delete 0, find 0/0 [ 316.783476] ? find_held_lock+0x36/0x1c0 [ 316.786901] Free swap = 0kB [ 316.790951] ? print_usage_bug+0xc0/0xc0 [ 316.796319] Total swap = 0kB [ 316.800371] ? cpuacct_charge+0x265/0x440 [ 316.803363] 1965979 pages RAM [ 316.807418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.810411] 0 pages HighMem/MovableOnly [ 316.814553] ? should_fail+0x22d/0xd01 [ 316.817630] 342853 pages reserved [ 316.823159] ? find_held_lock+0x36/0x1c0 [ 316.827102] 0 pages cma reserved [ 316.831073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.834572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.838569] ? __lock_acquire+0x62f/0x4c20 [ 316.838590] ? should_fail+0x22d/0xd01 [ 316.838615] ? mark_held_locks+0x130/0x130 [ 316.842005] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.847060] ? mark_held_locks+0x130/0x130 [ 316.853533] syz-fuzzer cpuset=/ mems_allowed=0 [ 316.857759] ? __lock_acquire+0x62f/0x4c20 [ 316.889104] ? zap_class+0x640/0x640 [ 316.892875] ? __lock_is_held+0xb5/0x140 [ 316.896949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.902490] ? check_preemption_disabled+0x48/0x280 [ 316.907522] ? __lock_is_held+0xb5/0x140 [ 316.911595] __alloc_pages_nodemask+0xa80/0xde0 [ 316.916286] ? zap_class+0x640/0x640 [ 316.920027] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 316.925070] ? find_held_lock+0x36/0x1c0 [ 316.929150] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.933840] ? lock_downgrade+0x900/0x900 [ 316.938000] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.943558] cache_grow_begin+0xa5/0x8c0 [ 316.947618] ? do_raw_spin_unlock+0xa7/0x330 [ 316.952048] fallback_alloc+0x204/0x2e0 [ 316.956043] ____cache_alloc_node+0x1c7/0x1e0 [ 316.960544] kmem_cache_alloc+0x1f8/0x730 [ 316.964722] skb_clone+0x1bb/0x500 [ 316.968277] ? finish_task_switch+0x1b4/0x910 [ 316.972777] ? skb_split+0x11e0/0x11e0 [ 316.976670] ? preempt_notifier_register+0x200/0x200 [ 316.981776] ? __switch_to_asm+0x34/0x70 [ 316.985856] ? __switch_to_asm+0x34/0x70 [ 316.989915] ? __switch_to_asm+0x40/0x70 [ 316.993987] ? __switch_to_asm+0x34/0x70 [ 316.998056] ? __switch_to_asm+0x40/0x70 [ 317.002116] ? __switch_to_asm+0x34/0x70 [ 317.006177] ? __switch_to_asm+0x40/0x70 [ 317.010242] ? __switch_to_asm+0x34/0x70 [ 317.014306] ? __switch_to_asm+0x34/0x70 [ 317.018363] ? __switch_to_asm+0x40/0x70 [ 317.022422] ? __switch_to_asm+0x34/0x70 [ 317.026498] bpf_clone_redirect+0xb9/0x490 [ 317.030749] ? __schedule+0x8d7/0x21d0 [ 317.034645] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 317.039666] ? __sched_text_start+0x8/0x8 [ 317.043820] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 317.048595] ? find_held_lock+0x36/0x1c0 [ 317.052684] ? lock_acquire+0x1ed/0x520 [ 317.056663] ? bpf_test_run+0x3cb/0x780 [ 317.060660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.066203] ? check_preemption_disabled+0x48/0x280 [ 317.071236] ? kasan_check_read+0x11/0x20 [ 317.075471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.080752] ? rcu_softirq_qs+0x20/0x20 [ 317.084732] ? preempt_schedule+0x4d/0x60 [ 317.088900] ? ___preempt_schedule+0x16/0x18 [ 317.093333] ? bpf_test_run+0x25d/0x780 [ 317.097340] ? netlink_diag_dump+0x2a0/0x2a0 [ 317.101753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.107296] ? bpf_test_init.isra.10+0x70/0x100 [ 317.111974] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 317.116753] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.121598] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.127138] ? fput+0x130/0x1a0 [ 317.130448] ? __bpf_prog_get+0x9b/0x290 [ 317.134522] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.139362] ? bpf_prog_test_run+0x130/0x1a0 [ 317.143787] ? __x64_sys_bpf+0x3d8/0x520 [ 317.147850] ? bpf_prog_get+0x20/0x20 [ 317.151681] ? do_syscall_64+0x1b9/0x820 [ 317.155745] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 317.161111] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.166055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.170907] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.175927] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 317.180951] ? prepare_exit_to_usermode+0x291/0x3b0 [ 317.185975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.190828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.196218] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 317.203148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.212499] Call Trace: [ 317.215083] <IRQ> [ 317.217242] dump_stack+0x244/0x39d [ 317.220878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 317.226086] warn_alloc.cold.116+0xb7/0x1bd [ 317.230412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 317.235271] ? lock_downgrade+0x900/0x900 [ 317.239455] ? trace_hardirqs_off+0xb8/0x310 [ 317.243881] ? trace_hardirqs_off+0xb8/0x310 [ 317.248302] __alloc_pages_slowpath+0x26e8/0x2e10 [ 317.253185] ? warn_alloc+0x120/0x120 [ 317.253590] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.256993] ? print_usage_bug+0xc0/0xc0 [ 317.267463] syz-executor2 cpuset=syz2 mems_allowed=0 [ 317.271512] ? warn_alloc+0x120/0x120 [ 317.280381] ? warn_alloc+0x120/0x120 [ 317.284186] ? print_usage_bug+0xc0/0xc0 [ 317.288256] ? print_usage_bug+0xc0/0xc0 [ 317.292364] ? __lock_acquire+0x62f/0x4c20 [ 317.296615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.302155] ? should_fail+0x22d/0xd01 [ 317.306043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.311145] ? __lock_acquire+0x62f/0x4c20 [ 317.315381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.320481] ? __lock_acquire+0x62f/0x4c20 [ 317.324713] ? should_fail+0x22d/0xd01 [ 317.328631] ? find_held_lock+0x36/0x1c0 [ 317.332706] ? mark_held_locks+0x130/0x130 [ 317.336952] ? mark_held_locks+0x130/0x130 [ 317.341181] ? zap_class+0x640/0x640 [ 317.344911] ? zap_class+0x640/0x640 [ 317.348640] ? print_usage_bug+0xc0/0xc0 [ 317.352699] ? do_raw_spin_unlock+0xa7/0x330 [ 317.357107] ? zap_class+0x640/0x640 [ 317.360820] ? print_usage_bug+0xc0/0xc0 [ 317.364880] ? wq_watchdog_touch+0x9c/0xfe [ 317.369111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.374648] ? check_preemption_disabled+0x48/0x280 [ 317.379672] ? __lock_is_held+0xb5/0x140 [ 317.383777] __alloc_pages_nodemask+0xa80/0xde0 [ 317.388449] ? zap_class+0x640/0x640 [ 317.392165] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 317.397184] ? find_held_lock+0x36/0x1c0 [ 317.401288] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.405956] ? lock_downgrade+0x900/0x900 [ 317.410111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.415647] cache_grow_begin+0xa5/0x8c0 [ 317.419705] ? do_raw_spin_unlock+0xa7/0x330 [ 317.424135] fallback_alloc+0x204/0x2e0 [ 317.428123] ____cache_alloc_node+0x1c7/0x1e0 [ 317.432627] kmem_cache_alloc_node+0xe3/0x730 [ 317.437120] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.441370] __alloc_skb+0x119/0x770 [ 317.445075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.450351] ? netdev_alloc_frag+0x1f0/0x1f0 [ 317.454757] ? lock_downgrade+0x900/0x900 [ 317.458920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.464463] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.469928] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.475392] ? addrconf_rs_timer+0x690/0x690 [ 317.479844] ndisc_alloc_skb+0x144/0x340 [ 317.483912] ndisc_send_rs+0x331/0x6e0 [ 317.487810] addrconf_rs_timer+0x314/0x690 [ 317.492046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.496282] call_timer_fn+0x272/0x920 [ 317.500164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.504395] ? process_timeout+0x40/0x40 [ 317.508468] ? mark_held_locks+0xc7/0x130 [ 317.512618] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.517104] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.521591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.525823] ? lockdep_hardirqs_on+0x296/0x5b0 [ 317.530403] ? trace_hardirqs_on+0xbd/0x310 [ 317.534765] ? kasan_check_read+0x11/0x20 [ 317.538905] ? __run_timers+0x7da/0xc70 [ 317.542874] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.547975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.552210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.556457] __run_timers+0x7e5/0xc70 [ 317.560276] ? timer_fixup_init+0x70/0x70 [ 317.564419] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.569442] ? zap_class+0x640/0x640 [ 317.573157] ? print_usage_bug+0xc0/0xc0 [ 317.577216] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.582417] ? find_held_lock+0x36/0x1c0 [ 317.586511] ? zap_class+0x640/0x640 [ 317.590505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.596075] ? check_preemption_disabled+0x48/0x280 [ 317.601094] ? __lock_is_held+0xb5/0x140 [ 317.605163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.610701] ? check_preemption_disabled+0x48/0x280 [ 317.615725] run_timer_softirq+0x52/0xb0 [ 317.619784] ? rcu_read_lock_sched_held+0x14f/0x180 [ 317.624794] __do_softirq+0x308/0xb7e [ 317.628615] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 317.633135] ? lock_downgrade+0x900/0x900 [ 317.637285] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 317.642395] ? pvclock_read_flags+0x160/0x160 [ 317.646906] ? lapic_next_event+0x5a/0x90 [ 317.651068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.656613] ? kvm_clock_read+0x18/0x30 [ 317.660583] ? kvm_sched_clock_read+0x9/0x20 [ 317.665001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.670584] ? check_preemption_disabled+0x48/0x280 [ 317.675623] irq_exit+0x17f/0x1c0 [ 317.679081] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.683922] ? smp_reschedule_interrupt+0x109/0x650 [ 317.688937] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.694822] ? interrupt_entry+0xb5/0xc0 [ 317.698890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.703912] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.709022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.713915] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.718931] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.724079] ? task_prio+0x50/0x50 [ 317.727631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.733171] ? check_preemption_disabled+0x48/0x280 [ 317.738195] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.743052] apic_timer_interrupt+0xf/0x20 [ 317.747281] </IRQ> [ 317.749537] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 317.754746] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 317.773644] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 317.781349] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 317.788617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 317.795894] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 317.803163] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 317.810433] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 317.817788] retint_kernel+0x1b/0x2d [ 317.821507] RIP: 0010:dump_stack+0x358/0x39d [ 317.825917] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 317.844837] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 317.852565] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 317.859852] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 317.867138] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 317.874406] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 317.881684] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 317.888984] ? dump_stack+0x34f/0x39d [ 317.892804] ? dump_stack_print_info.cold.1+0x20/0x20 [ 317.898000] ? mark_held_locks+0x130/0x130 [ 317.902236] ? mark_held_locks+0x130/0x130 [ 317.906489] dump_header+0x27b/0xf72 [ 317.910220] ? pagefault_out_of_memory+0x197/0x197 [ 317.915209] ? __lock_acquire+0x62f/0x4c20 [ 317.919482] ? percpu_ref_get_many+0x240/0x240 [ 317.924069] ? print_usage_bug+0xc0/0xc0 [ 317.928200] ? zap_class+0x640/0x640 [ 317.931931] ? print_usage_bug+0xc0/0xc0 [ 317.935990] ? print_usage_bug+0xc0/0xc0 [ 317.940056] ? zap_class+0x640/0x640 [ 317.944052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.949603] ? find_held_lock+0x36/0x1c0 [ 317.953689] ? mark_held_locks+0xc7/0x130 [ 317.957843] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.962949] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.968061] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.972657] ? trace_hardirqs_on+0xbd/0x310 [ 317.976978] ? kasan_check_read+0x11/0x20 [ 317.981144] ? ___ratelimit+0x3b4/0x672 [ 317.985123] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.990230] ? trace_hardirqs_on+0x310/0x310 [ 317.994640] ? lock_downgrade+0x900/0x900 [ 317.998795] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.003902] ? ___ratelimit+0x3b9/0x672 [ 318.007881] ? idr_get_free+0xf70/0xf70 [ 318.011857] ? find_held_lock+0x36/0x1c0 [ 318.015941] oom_kill_process.cold.27+0x10/0x903 [ 318.020703] ? zap_class+0x640/0x640 [ 318.024494] ? check_preemption_disabled+0x48/0x280 [ 318.029516] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.034458] ? kasan_check_read+0x11/0x20 [ 318.038612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.043895] ? oom_evaluate_task+0x540/0x540 [ 318.048315] ? find_held_lock+0x36/0x1c0 [ 318.052385] ? out_of_memory+0x974/0x1430 [ 318.056542] ? lock_downgrade+0x900/0x900 [ 318.060703] ? check_preemption_disabled+0x48/0x280 [ 318.065781] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.070734] ? kasan_check_read+0x11/0x20 [ 318.074896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.080172] ? rcu_softirq_qs+0x20/0x20 [ 318.084169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.089713] ? oom_evaluate_task+0x302/0x540 [ 318.094155] out_of_memory+0xa84/0x1430 [ 318.098138] ? oom_killer_disable+0x3a0/0x3a0 [ 318.102648] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 318.107594] ? __ww_mutex_check_waiters+0x160/0x160 [ 318.112635] __alloc_pages_slowpath+0x2354/0x2e10 [ 318.117505] ? warn_alloc+0x120/0x120 [ 318.121318] ? mark_held_locks+0x130/0x130 [ 318.125561] ? find_get_entry+0xaae/0x1120 [ 318.129809] ? filemap_map_pages+0x1a20/0x1a20 [ 318.134410] ? zap_class+0x640/0x640 [ 318.138135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.143671] ? check_preemption_disabled+0x48/0x280 [ 318.148686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.154226] ? should_fail+0x22d/0xd01 [ 318.158116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.163220] ? zap_class+0x640/0x640 [ 318.166963] ? __lock_is_held+0xb5/0x140 [ 318.171048] ? mark_held_locks+0x130/0x130 [ 318.175282] ? lock_release+0xa00/0xa00 [ 318.179252] ? perf_trace_sched_process_exec+0x860/0x860 [ 318.184700] ? xa_load+0x2ba/0x460 [ 318.188259] ? lock_downgrade+0x900/0x900 [ 318.192447] ? __might_sleep+0x95/0x190 [ 318.196424] __alloc_pages_nodemask+0xa80/0xde0 [ 318.201103] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 318.206121] ? __page_cache_alloc+0x191/0x5c0 [ 318.210613] ? xa_load+0x2e1/0x460 [ 318.214156] ? xa_clear_mark+0x40/0x40 [ 318.218048] ? zap_class+0x640/0x640 [ 318.221782] ? zap_class+0x640/0x640 [ 318.225496] ? zap_class+0x640/0x640 [ 318.229206] ? __do_page_cache_readahead+0x663/0x810 [ 318.234311] ? find_held_lock+0x36/0x1c0 [ 318.238374] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 318.243917] alloc_pages_current+0x173/0x350 [ 318.248344] __page_cache_alloc+0x38c/0x5c0 [ 318.252662] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.257597] ? kasan_check_read+0x11/0x20 [ 318.261757] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.267031] ? generic_perform_write+0x6a0/0x6a0 [ 318.271787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.277322] ? check_preemption_disabled+0x48/0x280 [ 318.282339] filemap_fault+0x1595/0x25f0 [ 318.286404] ? __lock_page_or_retry+0xa00/0xa00 [ 318.291089] ? mark_held_locks+0x130/0x130 [ 318.295342] ? filemap_map_pages+0xd6b/0x1a20 [ 318.299851] ? lock_downgrade+0x900/0x900 [ 318.303989] ? check_preemption_disabled+0x48/0x280 [ 318.309014] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.313954] ? kasan_check_read+0x11/0x20 [ 318.318111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.323379] ? rcu_softirq_qs+0x20/0x20 [ 318.327359] ? filemap_map_pages+0xd92/0x1a20 [ 318.331852] ? print_usage_bug+0xc0/0xc0 [ 318.335913] ? find_get_entries_tag+0x1400/0x1400 [ 318.340749] ? __kasan_slab_free+0x102/0x150 [ 318.345151] ? kasan_slab_free+0xe/0x10 [ 318.349124] ? kmem_cache_free+0x83/0x290 [ 318.353269] ? __sigqueue_free.part.29+0x74/0x90 [ 318.358035] ? lock_acquire+0x1ed/0x520 [ 318.362004] ? ext4_filemap_fault+0x7a/0xad [ 318.366328] ? lock_release+0xa00/0xa00 [ 318.370313] ? perf_trace_sched_process_exec+0x860/0x860 [ 318.375759] ? print_usage_bug+0xc0/0xc0 [ 318.379819] ? print_usage_bug+0xc0/0xc0 [ 318.383913] ? down_read+0x8d/0x120 [ 318.387567] ? ext4_filemap_fault+0x7a/0xad [ 318.391900] ? __down_interruptible+0x700/0x700 [ 318.396572] ext4_filemap_fault+0x82/0xad [ 318.400728] __do_fault+0x100/0x6b0 [ 318.404358] ? pmd_devmap_trans_unstable+0x220/0x220 [ 318.409471] ? mark_held_locks+0x130/0x130 [ 318.413704] ? mark_held_locks+0x130/0x130 [ 318.417960] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 318.423514] ? rcu_pm_notify+0xc0/0xc0 [ 318.427409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.432960] __handle_mm_fault+0x3ea0/0x5be0 [ 318.437380] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 318.442220] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.446723] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 318.451304] ? trace_hardirqs_on+0xbd/0x310 [ 318.455636] ? kasan_check_read+0x11/0x20 [ 318.459783] ? __set_current_blocked+0xdf/0x120 [ 318.464461] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.469580] ? zap_class+0x640/0x640 [ 318.473295] ? zap_class+0x640/0x640 [ 318.477033] ? find_held_lock+0x36/0x1c0 [ 318.481101] ? handle_mm_fault+0x42a/0xc70 [ 318.485335] ? lock_downgrade+0x900/0x900 [ 318.489501] ? check_preemption_disabled+0x48/0x280 [ 318.494523] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 318.499505] ? kasan_check_read+0x11/0x20 [ 318.503654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.508933] ? rcu_softirq_qs+0x20/0x20 [ 318.512906] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.518039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.523573] ? check_preemption_disabled+0x48/0x280 [ 318.528608] handle_mm_fault+0x54f/0xc70 [ 318.532667] ? __handle_mm_fault+0x5be0/0x5be0 [ 318.537248] ? find_vma+0x34/0x190 [ 318.540808] __do_page_fault+0x5e8/0xe60 [ 318.544889] ? exit_to_usermode_loop+0x1f4/0x380 [ 318.549654] do_page_fault+0xf2/0x7e0 [ 318.553476] ? vmalloc_sync_all+0x30/0x30 [ 318.557621] ? error_entry+0x70/0xd0 [ 318.561336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.566351] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.571279] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.576202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.581038] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.586065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.591528] ? prepare_exit_to_usermode+0x291/0x3b0 [ 318.596538] ? page_fault+0x8/0x30 [ 318.600092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.604946] ? page_fault+0x8/0x30 [ 318.608595] page_fault+0x1e/0x30 [ 318.612040] RIP: 0033:0x45db60 [ 318.615239] Code: Bad RIP value. [ 318.618594] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 318.623950] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 318.631211] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 318.638486] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 318.645750] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 318.653013] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 318.660305] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 318.660311] warn_alloc_show_mem: 1 callbacks suppressed [ 318.660319] Mem-Info: [ 318.667596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.673005] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 318.673005] active_file:10 inactive_file:13 isolated_file:0 [ 318.673005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 318.673005] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 318.673005] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 318.673005] free:13762 free_pcp:404 free_cma:0 [ 318.675376] Call Trace: [ 318.684772] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 318.717561] dump_stack+0x244/0x39d [ 318.720123] 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 [ 318.747471] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.751074] lowmem_reserve[]: 0 2818 6321 6321 [ 318.777224] warn_alloc.cold.116+0xb7/0x1bd [ 318.782378] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 318.786959] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.791255] lowmem_reserve[]: 0 0 3503 3503 [ 318.818768] ? lock_downgrade+0x900/0x900 [ 318.823581] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 318.827900] ? trace_hardirqs_off+0xb8/0x310 [ 318.832034] lowmem_reserve[]: 0 0 0 0 [ 318.861008] ? trace_hardirqs_off+0xb8/0x310 [ 318.865387] 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 [ 318.869197] __alloc_pages_slowpath+0x26e8/0x2e10 [ 318.873569] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 318.887114] ? warn_alloc+0x120/0x120 [ 318.891916] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 318.907342] ? zap_class+0x640/0x640 [ 318.911122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 318.925149] ? warn_alloc+0x120/0x120 [ 318.928839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 318.937655] ? warn_alloc+0x120/0x120 [ 318.941480] 267 total pagecache pages [ 318.950088] ? print_usage_bug+0xc0/0xc0 [ 318.953880] 0 pages in swap cache [ 318.957662] ? find_held_lock+0x36/0x1c0 [ 318.961717] Swap cache stats: add 0, delete 0, find 0/0 [ 318.965158] ? print_usage_bug+0xc0/0xc0 [ 318.969193] Free swap = 0kB [ 318.974577] ? cpuacct_charge+0x265/0x440 [ 318.978608] Total swap = 0kB [ 318.981619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.985736] 1965979 pages RAM [ 318.988771] ? should_fail+0x22d/0xd01 [ 318.994279] 0 pages HighMem/MovableOnly [ 318.997371] ? find_held_lock+0x36/0x1c0 [ 319.001229] 342853 pages reserved [ 319.005196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.009231] 0 pages cma reserved [ 319.012676] ? __lock_acquire+0x62f/0x4c20 [ 319.017811] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.021106] ? should_fail+0x22d/0xd01 [ 319.025831] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.031804] ? mark_held_locks+0x130/0x130 [ 319.035666] syz-fuzzer cpuset=/ mems_allowed=0 [ 319.045886] ? mark_held_locks+0x130/0x130 [ 319.058896] ? __lock_acquire+0x62f/0x4c20 [ 319.063153] ? zap_class+0x640/0x640 [ 319.066918] ? __lock_is_held+0xb5/0x140 [ 319.070991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.076535] ? check_preemption_disabled+0x48/0x280 [ 319.081589] ? __lock_is_held+0xb5/0x140 [ 319.085660] __alloc_pages_nodemask+0xa80/0xde0 [ 319.090330] ? zap_class+0x640/0x640 [ 319.094066] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 319.099096] ? find_held_lock+0x36/0x1c0 [ 319.103173] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.107849] ? lock_downgrade+0x900/0x900 [ 319.112024] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.117584] cache_grow_begin+0xa5/0x8c0 [ 319.121651] ? do_raw_spin_unlock+0xa7/0x330 [ 319.126071] fallback_alloc+0x204/0x2e0 [ 319.130059] ____cache_alloc_node+0x1c7/0x1e0 [ 319.134578] kmem_cache_alloc+0x1f8/0x730 [ 319.138738] skb_clone+0x1bb/0x500 [ 319.142285] ? finish_task_switch+0x2f4/0x910 [ 319.146780] ? skb_split+0x11e0/0x11e0 [ 319.150675] ? preempt_notifier_register+0x200/0x200 [ 319.155777] ? __switch_to_asm+0x34/0x70 [ 319.159839] ? __switch_to_asm+0x34/0x70 [ 319.163912] ? __switch_to_asm+0x40/0x70 [ 319.168002] ? __switch_to_asm+0x34/0x70 [ 319.172064] ? __switch_to_asm+0x40/0x70 [ 319.176151] ? __switch_to_asm+0x34/0x70 [ 319.180213] ? __switch_to_asm+0x40/0x70 [ 319.184268] ? __switch_to_asm+0x34/0x70 [ 319.188330] ? __switch_to_asm+0x34/0x70 [ 319.192392] ? __switch_to_asm+0x40/0x70 [ 319.196462] ? __switch_to_asm+0x34/0x70 [ 319.200532] bpf_clone_redirect+0xb9/0x490 [ 319.204772] ? __schedule+0x8d7/0x21d0 [ 319.208666] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 319.213686] ? __sched_text_start+0x8/0x8 [ 319.217851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.222652] ? find_held_lock+0x36/0x1c0 [ 319.226738] ? lock_acquire+0x1ed/0x520 [ 319.230716] ? bpf_test_run+0x3cb/0x780 [ 319.234700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.240240] ? check_preemption_disabled+0x48/0x280 [ 319.245257] ? kasan_check_read+0x11/0x20 [ 319.249415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.254715] ? rcu_softirq_qs+0x20/0x20 [ 319.258694] ? preempt_schedule+0x4d/0x60 [ 319.262839] ? ___preempt_schedule+0x16/0x18 [ 319.267258] ? bpf_test_run+0x25d/0x780 [ 319.271256] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.275685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.281238] ? bpf_test_init.isra.10+0x70/0x100 [ 319.285909] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 319.290687] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.295563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.301098] ? fput+0x130/0x1a0 [ 319.304381] ? __bpf_prog_get+0x9b/0x290 [ 319.308454] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.313313] ? bpf_prog_test_run+0x130/0x1a0 [ 319.317727] ? __x64_sys_bpf+0x3d8/0x520 [ 319.321789] ? bpf_prog_get+0x20/0x20 [ 319.325614] ? do_syscall_64+0x1b9/0x820 [ 319.329677] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.335044] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.339973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.344837] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.349858] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.354881] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.359908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.364759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.370143] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 319.377069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.385057] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.386423] Call Trace: [ 319.396902] syz-executor2 cpuset=syz2 mems_allowed=0 [ 319.399476] <IRQ> [ 319.406705] dump_stack+0x244/0x39d [ 319.410340] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.415543] warn_alloc.cold.116+0xb7/0x1bd [ 319.419885] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.424741] ? lock_downgrade+0x900/0x900 [ 319.428902] ? trace_hardirqs_off+0xb8/0x310 [ 319.433319] ? trace_hardirqs_off+0xb8/0x310 [ 319.437745] __alloc_pages_slowpath+0x26e8/0x2e10 [ 319.442619] ? warn_alloc+0x120/0x120 [ 319.446427] ? warn_alloc+0x120/0x120 [ 319.450240] ? warn_alloc+0x120/0x120 [ 319.454040] ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40 [ 319.459404] ? print_usage_bug+0xc0/0xc0 [ 319.463506] ? is_bpf_text_address+0xac/0x170 [ 319.468020] ? print_usage_bug+0xc0/0xc0 [ 319.472100] ? kasan_check_read+0x11/0x20 [ 319.476253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.481794] ? should_fail+0x22d/0xd01 [ 319.485718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.490819] ? __lock_acquire+0x62f/0x4c20 [ 319.495065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.500180] ? __lock_acquire+0x62f/0x4c20 [ 319.504412] ? should_fail+0x22d/0xd01 [ 319.508315] ? mark_held_locks+0x130/0x130 [ 319.512568] ? mark_held_locks+0x130/0x130 [ 319.516800] ? try_to_wake_up+0x11c/0x1490 [ 319.521038] ? zap_class+0x640/0x640 [ 319.524747] ? print_usage_bug+0xc0/0xc0 [ 319.528865] ? trace_hardirqs_off+0xb8/0x310 [ 319.533270] ? kasan_check_read+0x11/0x20 [ 319.537418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.542964] ? check_preemption_disabled+0x48/0x280 [ 319.547989] ? __lock_is_held+0xb5/0x140 [ 319.552056] __alloc_pages_nodemask+0xa80/0xde0 [ 319.556728] ? zap_class+0x640/0x640 [ 319.560461] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 319.565525] ? find_held_lock+0x36/0x1c0 [ 319.569599] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.574272] ? lock_downgrade+0x900/0x900 [ 319.578427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.583976] cache_grow_begin+0xa5/0x8c0 [ 319.588053] ? do_raw_spin_unlock+0xa7/0x330 [ 319.592689] fallback_alloc+0x204/0x2e0 [ 319.596669] ____cache_alloc_node+0x1c7/0x1e0 [ 319.601166] kmem_cache_alloc_node+0xe3/0x730 [ 319.605659] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.609901] __alloc_skb+0x119/0x770 [ 319.613613] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.618890] ? netdev_alloc_frag+0x1f0/0x1f0 [ 319.623301] ? lock_downgrade+0x900/0x900 [ 319.627466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.633034] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.638490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.643939] ? addrconf_rs_timer+0x690/0x690 [ 319.648358] ndisc_alloc_skb+0x144/0x340 [ 319.652417] ndisc_send_rs+0x331/0x6e0 [ 319.656310] addrconf_rs_timer+0x314/0x690 [ 319.660541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.664796] call_timer_fn+0x272/0x920 [ 319.668679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.672959] ? process_timeout+0x40/0x40 [ 319.677028] ? mark_held_locks+0xc7/0x130 [ 319.681178] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.685668] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.690162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.694398] ? lockdep_hardirqs_on+0x296/0x5b0 [ 319.698989] ? trace_hardirqs_on+0xbd/0x310 [ 319.703312] ? kasan_check_read+0x11/0x20 [ 319.707465] ? __run_timers+0x7da/0xc70 [ 319.711451] ? trace_hardirqs_off_caller+0x310/0x310 [ 319.716570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.720800] __run_timers+0x7e5/0xc70 [ 319.724758] ? timer_fixup_init+0x70/0x70 [ 319.728910] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.733928] ? zap_class+0x640/0x640 [ 319.737645] ? print_usage_bug+0xc0/0xc0 [ 319.741728] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.746923] ? find_held_lock+0x36/0x1c0 [ 319.750989] ? zap_class+0x640/0x640 [ 319.754716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.760255] ? check_preemption_disabled+0x48/0x280 [ 319.765279] ? __lock_is_held+0xb5/0x140 [ 319.769339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.774881] ? check_preemption_disabled+0x48/0x280 [ 319.779909] run_timer_softirq+0x52/0xb0 [ 319.783974] ? rcu_read_lock_sched_held+0x14f/0x180 [ 319.788990] __do_softirq+0x308/0xb7e [ 319.792795] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 319.797289] ? lock_downgrade+0x900/0x900 [ 319.801461] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 319.806572] ? pvclock_read_flags+0x160/0x160 [ 319.811068] ? lapic_next_event+0x5a/0x90 [ 319.815215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.820761] ? kvm_clock_read+0x18/0x30 [ 319.824745] ? kvm_sched_clock_read+0x9/0x20 [ 319.829153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.834706] ? check_preemption_disabled+0x48/0x280 [ 319.839747] irq_exit+0x17f/0x1c0 [ 319.843203] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.848091] ? smp_reschedule_interrupt+0x109/0x650 [ 319.853106] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.859002] ? interrupt_entry+0xb5/0xc0 [ 319.863064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.868088] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.873101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.877943] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.882973] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.887990] ? task_prio+0x50/0x50 [ 319.891544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.897080] ? check_preemption_disabled+0x48/0x280 [ 319.902125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.906970] apic_timer_interrupt+0xf/0x20 [ 319.911195] </IRQ> [ 319.913433] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 319.918643] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 319.937535] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 319.945238] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 319.952506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 319.959802] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 319.967068] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 319.974332] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 319.981657] retint_kernel+0x1b/0x2d [ 319.985372] RIP: 0010:dump_stack+0x358/0x39d [ 319.989783] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 320.008700] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 320.016423] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 320.023707] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 320.030985] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 320.038258] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 320.045533] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 320.052826] ? dump_stack+0x34f/0x39d [ 320.056642] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.061841] ? mark_held_locks+0x130/0x130 [ 320.066078] ? mark_held_locks+0x130/0x130 [ 320.070352] dump_header+0x27b/0xf72 [ 320.074085] ? pagefault_out_of_memory+0x197/0x197 [ 320.079031] ? __lock_acquire+0x62f/0x4c20 [ 320.083286] ? percpu_ref_get_many+0x240/0x240 [ 320.087874] ? print_usage_bug+0xc0/0xc0 [ 320.091941] ? zap_class+0x640/0x640 [ 320.095660] ? print_usage_bug+0xc0/0xc0 [ 320.099737] ? print_usage_bug+0xc0/0xc0 [ 320.103803] ? zap_class+0x640/0x640 [ 320.107528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.113121] ? find_held_lock+0x36/0x1c0 [ 320.117193] ? mark_held_locks+0xc7/0x130 [ 320.121344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.126454] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.131563] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.136151] ? trace_hardirqs_on+0xbd/0x310 [ 320.140476] ? kasan_check_read+0x11/0x20 [ 320.144637] ? ___ratelimit+0x3b4/0x672 [ 320.148640] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.153744] ? trace_hardirqs_on+0x310/0x310 [ 320.158151] ? lock_downgrade+0x900/0x900 [ 320.162306] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.167408] ? ___ratelimit+0x3b9/0x672 [ 320.171392] ? idr_get_free+0xf70/0xf70 [ 320.175363] ? find_held_lock+0x36/0x1c0 [ 320.179469] oom_kill_process.cold.27+0x10/0x903 [ 320.184255] ? zap_class+0x640/0x640 [ 320.187966] ? check_preemption_disabled+0x48/0x280 [ 320.192983] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.197942] ? kasan_check_read+0x11/0x20 [ 320.202131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.207409] ? oom_evaluate_task+0x540/0x540 [ 320.211828] ? find_held_lock+0x36/0x1c0 [ 320.215898] ? out_of_memory+0x974/0x1430 [ 320.220063] ? lock_downgrade+0x900/0x900 [ 320.224209] ? check_preemption_disabled+0x48/0x280 [ 320.229244] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.234175] ? kasan_check_read+0x11/0x20 [ 320.238320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.243594] ? rcu_softirq_qs+0x20/0x20 [ 320.247577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.253111] ? oom_evaluate_task+0x302/0x540 [ 320.257520] out_of_memory+0xa84/0x1430 [ 320.261501] ? oom_killer_disable+0x3a0/0x3a0 [ 320.266008] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 320.270944] ? __ww_mutex_check_waiters+0x160/0x160 [ 320.275971] __alloc_pages_slowpath+0x2354/0x2e10 [ 320.280839] ? warn_alloc+0x120/0x120 [ 320.284643] ? mark_held_locks+0x130/0x130 [ 320.288882] ? find_get_entry+0xaae/0x1120 [ 320.293126] ? filemap_map_pages+0x1a20/0x1a20 [ 320.297718] ? zap_class+0x640/0x640 [ 320.301444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.306987] ? check_preemption_disabled+0x48/0x280 [ 320.312005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.317540] ? should_fail+0x22d/0xd01 [ 320.321433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.326549] ? zap_class+0x640/0x640 [ 320.330286] ? __lock_is_held+0xb5/0x140 [ 320.334377] ? mark_held_locks+0x130/0x130 [ 320.338617] ? lock_release+0xa00/0xa00 [ 320.342592] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.348063] ? xa_load+0x2ba/0x460 [ 320.351610] ? lock_downgrade+0x900/0x900 [ 320.355772] ? __might_sleep+0x95/0x190 [ 320.359759] __alloc_pages_nodemask+0xa80/0xde0 [ 320.364445] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 320.369503] ? __page_cache_alloc+0x191/0x5c0 [ 320.373998] ? xa_load+0x2e1/0x460 [ 320.377554] ? xa_clear_mark+0x40/0x40 [ 320.381452] ? zap_class+0x640/0x640 [ 320.385177] ? zap_class+0x640/0x640 [ 320.388919] ? zap_class+0x640/0x640 [ 320.392652] ? __do_page_cache_readahead+0x663/0x810 [ 320.397768] ? find_held_lock+0x36/0x1c0 [ 320.401854] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.407405] alloc_pages_current+0x173/0x350 [ 320.411829] __page_cache_alloc+0x38c/0x5c0 [ 320.416151] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.421099] ? kasan_check_read+0x11/0x20 [ 320.425257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.430543] ? generic_perform_write+0x6a0/0x6a0 [ 320.435306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.440894] ? check_preemption_disabled+0x48/0x280 [ 320.445922] filemap_fault+0x1595/0x25f0 [ 320.449996] ? __lock_page_or_retry+0xa00/0xa00 [ 320.454717] ? mark_held_locks+0x130/0x130 [ 320.458961] ? filemap_map_pages+0xd6b/0x1a20 [ 320.463480] ? lock_downgrade+0x900/0x900 [ 320.467646] ? check_preemption_disabled+0x48/0x280 [ 320.472667] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.477602] ? kasan_check_read+0x11/0x20 [ 320.481771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.487078] ? rcu_softirq_qs+0x20/0x20 [ 320.491086] ? filemap_map_pages+0xd92/0x1a20 [ 320.495601] ? print_usage_bug+0xc0/0xc0 [ 320.499667] ? find_get_entries_tag+0x1400/0x1400 [ 320.504534] ? __kasan_slab_free+0x102/0x150 [ 320.508951] ? kasan_slab_free+0xe/0x10 [ 320.512924] ? kmem_cache_free+0x83/0x290 [ 320.517067] ? __sigqueue_free.part.29+0x74/0x90 [ 320.521846] ? lock_acquire+0x1ed/0x520 [ 320.525817] ? ext4_filemap_fault+0x7a/0xad [ 320.530139] ? lock_release+0xa00/0xa00 [ 320.534110] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.539559] ? print_usage_bug+0xc0/0xc0 [ 320.543617] ? print_usage_bug+0xc0/0xc0 [ 320.547690] ? down_read+0x8d/0x120 [ 320.551331] ? ext4_filemap_fault+0x7a/0xad [ 320.555664] ? __down_interruptible+0x700/0x700 [ 320.560340] ext4_filemap_fault+0x82/0xad [ 320.564488] __do_fault+0x100/0x6b0 [ 320.568113] ? pmd_devmap_trans_unstable+0x220/0x220 [ 320.573212] ? mark_held_locks+0x130/0x130 [ 320.577453] ? mark_held_locks+0x130/0x130 [ 320.581689] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 320.587241] ? rcu_pm_notify+0xc0/0xc0 [ 320.591136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.596675] __handle_mm_fault+0x3ea0/0x5be0 [ 320.601101] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 320.605938] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.610428] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.615029] ? trace_hardirqs_on+0xbd/0x310 [ 320.619382] ? kasan_check_read+0x11/0x20 [ 320.623531] ? __set_current_blocked+0xdf/0x120 [ 320.628195] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.633306] ? zap_class+0x640/0x640 [ 320.637019] ? zap_class+0x640/0x640 [ 320.640740] ? find_held_lock+0x36/0x1c0 [ 320.644805] ? handle_mm_fault+0x42a/0xc70 [ 320.649036] ? lock_downgrade+0x900/0x900 [ 320.653183] ? check_preemption_disabled+0x48/0x280 [ 320.658204] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.663131] ? kasan_check_read+0x11/0x20 [ 320.667279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.672557] ? rcu_softirq_qs+0x20/0x20 [ 320.676530] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.681634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.687176] ? check_preemption_disabled+0x48/0x280 [ 320.692202] handle_mm_fault+0x54f/0xc70 [ 320.696265] ? __handle_mm_fault+0x5be0/0x5be0 [ 320.700866] ? find_vma+0x34/0x190 [ 320.704414] __do_page_fault+0x5e8/0xe60 [ 320.708487] ? exit_to_usermode_loop+0x1f4/0x380 [ 320.713253] do_page_fault+0xf2/0x7e0 [ 320.717058] ? vmalloc_sync_all+0x30/0x30 [ 320.721204] ? error_entry+0x70/0xd0 [ 320.724915] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.729946] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.734888] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.739829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.744672] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.749686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.755141] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.760159] ? page_fault+0x8/0x30 [ 320.763698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.768564] ? page_fault+0x8/0x30 [ 320.772106] page_fault+0x1e/0x30 [ 320.775557] RIP: 0033:0x45db60 [ 320.778778] Code: Bad RIP value. [ 320.782136] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 320.787496] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 320.794797] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 320.802060] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 320.809351] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 320.816638] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 320.823947] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 320.823952] warn_alloc_show_mem: 1 callbacks suppressed [ 320.823961] Mem-Info: [ 320.831258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.836638] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 320.836638] active_file:10 inactive_file:13 isolated_file:0 [ 320.836638] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.836638] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 320.836638] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 320.836638] free:13762 free_pcp:404 free_cma:0 [ 320.839024] Call Trace: [ 320.848424] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 320.881185] dump_stack+0x244/0x39d [ 320.883740] 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 [ 320.911080] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.914679] lowmem_reserve[]: 0 2818 6321 6321 [ 320.940824] warn_alloc.cold.116+0xb7/0x1bd [ 320.945984] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 320.950577] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.954870] lowmem_reserve[]: 0 0 3503 3503 [ 320.982400] ? lock_downgrade+0x900/0x900 [ 320.987218] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 320.991536] ? trace_hardirqs_off+0xb8/0x310 [ 320.995652] lowmem_reserve[]: 0 0 0 0 [ 321.024657] ? trace_hardirqs_off+0xb8/0x310 [ 321.029040] 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 [ 321.032869] __alloc_pages_slowpath+0x26e8/0x2e10 [ 321.037246] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 321.050818] ? warn_alloc+0x120/0x120 [ 321.055597] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 321.071043] ? zap_class+0x640/0x640 [ 321.074827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.088874] ? warn_alloc+0x120/0x120 [ 321.092569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.101389] ? warn_alloc+0x120/0x120 [ 321.105165] 267 total pagecache pages [ 321.113732] ? print_usage_bug+0xc0/0xc0 [ 321.117513] 0 pages in swap cache [ 321.121296] ? find_held_lock+0x36/0x1c0 [ 321.125337] Swap cache stats: add 0, delete 0, find 0/0 [ 321.128783] ? print_usage_bug+0xc0/0xc0 [ 321.132816] Free swap = 0kB [ 321.138169] ? cpuacct_charge+0x265/0x440 [ 321.142202] Total swap = 0kB [ 321.145223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.149357] 1965979 pages RAM [ 321.152372] ? should_fail+0x22d/0xd01 [ 321.157884] 0 pages HighMem/MovableOnly [ 321.161028] ? find_held_lock+0x36/0x1c0 [ 321.164902] 342853 pages reserved [ 321.168874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.172934] 0 pages cma reserved [ 321.176387] ? __lock_acquire+0x62f/0x4c20 [ 321.181528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.184826] ? should_fail+0x22d/0xd01 [ 321.189377] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.195555] ? mark_held_locks+0x130/0x130 [ 321.199409] syz-fuzzer cpuset=/ mems_allowed=0 [ 321.209662] ? mark_held_locks+0x130/0x130 [ 321.222688] ? __lock_acquire+0x62f/0x4c20 [ 321.226928] ? zap_class+0x640/0x640 [ 321.230644] ? __lock_is_held+0xb5/0x140 [ 321.234709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.240248] ? check_preemption_disabled+0x48/0x280 [ 321.245274] ? __lock_is_held+0xb5/0x140 [ 321.249336] __alloc_pages_nodemask+0xa80/0xde0 [ 321.254003] ? zap_class+0x640/0x640 [ 321.257730] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 321.262764] ? find_held_lock+0x36/0x1c0 [ 321.266842] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.271523] ? lock_downgrade+0x900/0x900 [ 321.275687] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.281243] cache_grow_begin+0xa5/0x8c0 [ 321.285309] ? do_raw_spin_unlock+0xa7/0x330 [ 321.289737] fallback_alloc+0x204/0x2e0 [ 321.293728] ____cache_alloc_node+0x1c7/0x1e0 [ 321.298236] kmem_cache_alloc+0x1f8/0x730 [ 321.302395] skb_clone+0x1bb/0x500 [ 321.305963] ? finish_task_switch+0x1b4/0x910 [ 321.310504] ? skb_split+0x11e0/0x11e0 [ 321.314397] ? preempt_notifier_register+0x200/0x200 [ 321.319499] ? __switch_to_asm+0x34/0x70 [ 321.323558] ? __switch_to_asm+0x34/0x70 [ 321.327645] ? __switch_to_asm+0x40/0x70 [ 321.331708] ? __switch_to_asm+0x34/0x70 [ 321.335767] ? __switch_to_asm+0x40/0x70 [ 321.339843] ? __switch_to_asm+0x34/0x70 [ 321.343907] ? __switch_to_asm+0x40/0x70 [ 321.347970] ? __switch_to_asm+0x34/0x70 [ 321.352037] ? __switch_to_asm+0x34/0x70 [ 321.356097] ? __switch_to_asm+0x40/0x70 [ 321.360171] ? __switch_to_asm+0x34/0x70 [ 321.364257] bpf_clone_redirect+0xb9/0x490 [ 321.368506] ? __schedule+0x8d7/0x21d0 [ 321.372403] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 321.377431] ? __sched_text_start+0x8/0x8 [ 321.381594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.386367] ? find_held_lock+0x36/0x1c0 [ 321.390445] ? lock_acquire+0x1ed/0x520 [ 321.394426] ? bpf_test_run+0x3cb/0x780 [ 321.398413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.403964] ? check_preemption_disabled+0x48/0x280 [ 321.408995] ? kasan_check_read+0x11/0x20 [ 321.413146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.418422] ? rcu_softirq_qs+0x20/0x20 [ 321.422407] ? preempt_schedule+0x4d/0x60 [ 321.426578] ? ___preempt_schedule+0x16/0x18 [ 321.431023] ? bpf_test_run+0x25d/0x780 [ 321.435037] ? netlink_diag_dump+0x2a0/0x2a0 [ 321.439467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.445038] ? bpf_test_init.isra.10+0x70/0x100 [ 321.449716] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 321.454490] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.459328] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.464865] ? fput+0x130/0x1a0 [ 321.468147] ? __bpf_prog_get+0x9b/0x290 [ 321.472214] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.477066] ? bpf_prog_test_run+0x130/0x1a0 [ 321.481491] ? __x64_sys_bpf+0x3d8/0x520 [ 321.485565] ? bpf_prog_get+0x20/0x20 [ 321.489379] ? do_syscall_64+0x1b9/0x820 [ 321.493444] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.498809] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.503735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.508582] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.513604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.518619] ? prepare_exit_to_usermode+0x291/0x3b0 [ 321.523641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.528515] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.533904] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 321.540831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.550182] Call Trace: [ 321.552765] <IRQ> [ 321.554924] dump_stack+0x244/0x39d [ 321.558580] ? dump_stack_print_info.cold.1+0x20/0x20 [ 321.563793] warn_alloc.cold.116+0xb7/0x1bd [ 321.568124] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.572977] ? lock_downgrade+0x900/0x900 [ 321.576538] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.577135] ? trace_hardirqs_off+0xb8/0x310 [ 321.587621] syz-executor2 cpuset=syz2 mems_allowed=0 [ 321.592265] ? trace_hardirqs_off+0xb8/0x310 [ 321.601760] __alloc_pages_slowpath+0x26e8/0x2e10 [ 321.606668] ? warn_alloc+0x120/0x120 [ 321.610477] ? warn_alloc+0x120/0x120 [ 321.614284] ? print_usage_bug+0xc0/0xc0 [ 321.618353] ? warn_alloc+0x120/0x120 [ 321.622170] ? print_usage_bug+0xc0/0xc0 [ 321.626233] ? print_usage_bug+0xc0/0xc0 [ 321.630292] ? hrtimer_start_range_ns+0xe00/0xe00 [ 321.635156] ? print_usage_bug+0xc0/0xc0 [ 321.639231] ? print_usage_bug+0xc0/0xc0 [ 321.643304] ? print_usage_bug+0xc0/0xc0 [ 321.647371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.652931] ? should_fail+0x22d/0xd01 [ 321.656823] ? print_usage_bug+0xc0/0xc0 [ 321.660885] ? __lock_acquire+0x62f/0x4c20 [ 321.665125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.670252] ? __lock_acquire+0x62f/0x4c20 [ 321.674541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.679665] ? should_fail+0x22d/0xd01 [ 321.683587] ? mark_held_locks+0x130/0x130 [ 321.687830] ? mark_held_locks+0x130/0x130 [ 321.692076] ? zap_class+0x640/0x640 [ 321.695792] ? mark_held_locks+0x130/0x130 [ 321.700031] ? try_to_wake_up+0x11c/0x1490 [ 321.704289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.709832] ? check_preemption_disabled+0x48/0x280 [ 321.714863] ? __lock_is_held+0xb5/0x140 [ 321.718933] __alloc_pages_nodemask+0xa80/0xde0 [ 321.723726] ? zap_class+0x640/0x640 [ 321.727454] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 321.732485] ? find_held_lock+0x36/0x1c0 [ 321.736555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.741223] ? lock_downgrade+0x900/0x900 [ 321.745391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.750932] cache_grow_begin+0xa5/0x8c0 [ 321.754996] ? do_raw_spin_unlock+0xa7/0x330 [ 321.759411] fallback_alloc+0x204/0x2e0 [ 321.763401] ____cache_alloc_node+0x1c7/0x1e0 [ 321.767910] kmem_cache_alloc_node+0xe3/0x730 [ 321.772407] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.777011] __alloc_skb+0x119/0x770 [ 321.780729] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.786113] ? netdev_alloc_frag+0x1f0/0x1f0 [ 321.790540] ? lock_acquire+0x1ed/0x520 [ 321.794511] ? aoecmd_cfg+0x108/0x7f0 [ 321.798309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.803848] ? check_preemption_disabled+0x48/0x280 [ 321.808875] ? kasan_check_read+0x11/0x20 [ 321.813024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.818299] ? rcu_softirq_qs+0x20/0x20 [ 321.822277] new_skb+0x26/0x1c0 [ 321.825573] aoecmd_cfg+0x279/0x7f0 [ 321.829200] ? find_held_lock+0x36/0x1c0 [ 321.833263] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 321.837592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.843125] ? check_preemption_disabled+0x48/0x280 [ 321.848147] ? __lock_is_held+0xb5/0x140 [ 321.852218] discover_timer+0x50/0x60 [ 321.856015] call_timer_fn+0x272/0x920 [ 321.859903] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 321.864748] ? process_timeout+0x40/0x40 [ 321.868832] ? mark_held_locks+0xc7/0x130 [ 321.872981] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.877475] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.881965] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 321.886824] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.891418] ? trace_hardirqs_on+0xbd/0x310 [ 321.895743] ? kasan_check_read+0x11/0x20 [ 321.899918] ? __run_timers+0x7da/0xc70 [ 321.903894] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.909009] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 321.913868] __run_timers+0x7e5/0xc70 [ 321.917675] ? timer_fixup_init+0x70/0x70 [ 321.921817] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.926826] ? zap_class+0x640/0x640 [ 321.930553] ? print_usage_bug+0xc0/0xc0 [ 321.934619] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.939806] ? find_held_lock+0x36/0x1c0 [ 321.943898] ? zap_class+0x640/0x640 [ 321.947631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.953162] ? check_preemption_disabled+0x48/0x280 [ 321.958178] ? __lock_is_held+0xb5/0x140 [ 321.962239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.967784] ? check_preemption_disabled+0x48/0x280 [ 321.972817] run_timer_softirq+0x52/0xb0 [ 321.976880] ? rcu_read_lock_sched_held+0x14f/0x180 [ 321.981897] __do_softirq+0x308/0xb7e [ 321.985702] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 321.990205] ? lock_downgrade+0x900/0x900 [ 321.994372] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 321.999482] ? pvclock_read_flags+0x160/0x160 [ 322.003981] ? lapic_next_event+0x5a/0x90 [ 322.008153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.013701] ? kvm_clock_read+0x18/0x30 [ 322.017686] ? kvm_sched_clock_read+0x9/0x20 [ 322.022130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.027674] ? check_preemption_disabled+0x48/0x280 [ 322.032700] irq_exit+0x17f/0x1c0 [ 322.036160] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.040997] ? smp_reschedule_interrupt+0x109/0x650 [ 322.046027] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.051957] ? interrupt_entry+0xb5/0xc0 [ 322.056022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.061049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.066069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.070917] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.075936] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.080957] ? task_prio+0x50/0x50 [ 322.084501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.090059] ? check_preemption_disabled+0x48/0x280 [ 322.095110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.099993] apic_timer_interrupt+0xf/0x20 [ 322.104222] </IRQ> [ 322.106481] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 322.111676] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 322.130717] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.138431] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 322.145730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 322.152994] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 322.160256] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 322.167517] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 322.174821] retint_kernel+0x1b/0x2d [ 322.178534] RIP: 0010:dump_stack+0x358/0x39d [ 322.182957] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 322.201885] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 322.209593] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 322.216869] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 322.224131] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 322.231394] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 322.238655] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 322.245930] ? dump_stack+0x34f/0x39d [ 322.249756] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.254966] ? mark_held_locks+0x130/0x130 [ 322.259197] ? mark_held_locks+0x130/0x130 [ 322.263435] dump_header+0x27b/0xf72 [ 322.267178] ? pagefault_out_of_memory+0x197/0x197 [ 322.272114] ? __lock_acquire+0x62f/0x4c20 [ 322.276349] ? percpu_ref_get_many+0x240/0x240 [ 322.280931] ? print_usage_bug+0xc0/0xc0 [ 322.284995] ? zap_class+0x640/0x640 [ 322.288707] ? print_usage_bug+0xc0/0xc0 [ 322.292769] ? print_usage_bug+0xc0/0xc0 [ 322.296827] ? zap_class+0x640/0x640 [ 322.300564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.306104] ? find_held_lock+0x36/0x1c0 [ 322.310174] ? mark_held_locks+0xc7/0x130 [ 322.314321] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 322.319418] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 322.324534] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 322.329118] ? trace_hardirqs_on+0xbd/0x310 [ 322.333466] ? kasan_check_read+0x11/0x20 [ 322.337631] ? ___ratelimit+0x3b4/0x672 [ 322.341618] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.346743] ? trace_hardirqs_on+0x310/0x310 [ 322.351164] ? lock_downgrade+0x900/0x900 [ 322.355315] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.360418] ? ___ratelimit+0x3b9/0x672 [ 322.364398] ? idr_get_free+0xf70/0xf70 [ 322.368369] ? find_held_lock+0x36/0x1c0 [ 322.372449] oom_kill_process.cold.27+0x10/0x903 [ 322.377230] ? zap_class+0x640/0x640 [ 322.380965] ? check_preemption_disabled+0x48/0x280 [ 322.385987] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.390915] ? kasan_check_read+0x11/0x20 [ 322.395064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.400361] ? oom_evaluate_task+0x540/0x540 [ 322.404774] ? find_held_lock+0x36/0x1c0 [ 322.408846] ? out_of_memory+0x974/0x1430 [ 322.413001] ? lock_downgrade+0x900/0x900 [ 322.417154] ? check_preemption_disabled+0x48/0x280 [ 322.422181] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.427113] ? kasan_check_read+0x11/0x20 [ 322.431274] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.436559] ? rcu_softirq_qs+0x20/0x20 [ 322.440550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.446094] ? oom_evaluate_task+0x302/0x540 [ 322.450513] out_of_memory+0xa84/0x1430 [ 322.454507] ? oom_killer_disable+0x3a0/0x3a0 [ 322.459012] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 322.463955] ? __ww_mutex_check_waiters+0x160/0x160 [ 322.468989] __alloc_pages_slowpath+0x2354/0x2e10 [ 322.473872] ? warn_alloc+0x120/0x120 [ 322.477679] ? mark_held_locks+0x130/0x130 [ 322.481945] ? find_get_entry+0xaae/0x1120 [ 322.486197] ? filemap_map_pages+0x1a20/0x1a20 [ 322.490792] ? zap_class+0x640/0x640 [ 322.494519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.500067] ? check_preemption_disabled+0x48/0x280 [ 322.505090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.510634] ? should_fail+0x22d/0xd01 [ 322.514536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.519650] ? zap_class+0x640/0x640 [ 322.523396] ? __lock_is_held+0xb5/0x140 [ 322.527488] ? mark_held_locks+0x130/0x130 [ 322.531738] ? lock_release+0xa00/0xa00 [ 322.535731] ? perf_trace_sched_process_exec+0x860/0x860 [ 322.541198] ? xa_load+0x2ba/0x460 [ 322.544756] ? lock_downgrade+0x900/0x900 [ 322.548923] ? __might_sleep+0x95/0x190 [ 322.552918] __alloc_pages_nodemask+0xa80/0xde0 [ 322.557607] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 322.562639] ? __page_cache_alloc+0x191/0x5c0 [ 322.567150] ? xa_load+0x2e1/0x460 [ 322.570714] ? xa_clear_mark+0x40/0x40 [ 322.574619] ? zap_class+0x640/0x640 [ 322.578352] ? zap_class+0x640/0x640 [ 322.582074] ? zap_class+0x640/0x640 [ 322.585799] ? __do_page_cache_readahead+0x663/0x810 [ 322.590918] ? find_held_lock+0x36/0x1c0 [ 322.594997] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 322.600556] alloc_pages_current+0x173/0x350 [ 322.604983] __page_cache_alloc+0x38c/0x5c0 [ 322.609314] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.614257] ? kasan_check_read+0x11/0x20 [ 322.618415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.623728] ? generic_perform_write+0x6a0/0x6a0 [ 322.628502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.634059] ? check_preemption_disabled+0x48/0x280 [ 322.639095] filemap_fault+0x1595/0x25f0 [ 322.643183] ? __lock_page_or_retry+0xa00/0xa00 [ 322.647869] ? mark_held_locks+0x130/0x130 [ 322.652129] ? filemap_map_pages+0xd6b/0x1a20 [ 322.656641] ? lock_downgrade+0x900/0x900 [ 322.660804] ? check_preemption_disabled+0x48/0x280 [ 322.665840] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.670781] ? kasan_check_read+0x11/0x20 [ 322.674942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.680233] ? rcu_softirq_qs+0x20/0x20 [ 322.684233] ? filemap_map_pages+0xd92/0x1a20 [ 322.688749] ? print_usage_bug+0xc0/0xc0 [ 322.692826] ? find_get_entries_tag+0x1400/0x1400 [ 322.697678] ? __kasan_slab_free+0x102/0x150 [ 322.702098] ? kasan_slab_free+0xe/0x10 [ 322.706084] ? kmem_cache_free+0x83/0x290 [ 322.710240] ? __sigqueue_free.part.29+0x74/0x90 [ 322.715023] ? lock_acquire+0x1ed/0x520 [ 322.719008] ? ext4_filemap_fault+0x7a/0xad [ 322.723343] ? lock_release+0xa00/0xa00 [ 322.727328] ? perf_trace_sched_process_exec+0x860/0x860 [ 322.732794] ? print_usage_bug+0xc0/0xc0 [ 322.736868] ? print_usage_bug+0xc0/0xc0 [ 322.740953] ? down_read+0x8d/0x120 [ 322.744584] ? ext4_filemap_fault+0x7a/0xad [ 322.748916] ? __down_interruptible+0x700/0x700 [ 322.753602] ext4_filemap_fault+0x82/0xad [ 322.757765] __do_fault+0x100/0x6b0 [ 322.761403] ? pmd_devmap_trans_unstable+0x220/0x220 [ 322.766535] ? mark_held_locks+0x130/0x130 [ 322.770779] ? mark_held_locks+0x130/0x130 [ 322.775023] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 322.780570] ? rcu_pm_notify+0xc0/0xc0 [ 322.784488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.790037] __handle_mm_fault+0x3ea0/0x5be0 [ 322.794479] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 322.799332] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.803835] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 322.808427] ? trace_hardirqs_on+0xbd/0x310 [ 322.812821] ? kasan_check_read+0x11/0x20 [ 322.816980] ? __set_current_blocked+0xdf/0x120 [ 322.821657] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.826782] ? zap_class+0x640/0x640 [ 322.830506] ? zap_class+0x640/0x640 [ 322.834233] ? find_held_lock+0x36/0x1c0 [ 322.838316] ? handle_mm_fault+0x42a/0xc70 [ 322.842566] ? lock_downgrade+0x900/0x900 [ 322.846728] ? check_preemption_disabled+0x48/0x280 [ 322.851803] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 322.856743] ? kasan_check_read+0x11/0x20 [ 322.860900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.866187] ? rcu_softirq_qs+0x20/0x20 [ 322.870171] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.875285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.880830] ? check_preemption_disabled+0x48/0x280 [ 322.885885] handle_mm_fault+0x54f/0xc70 [ 322.889960] ? __handle_mm_fault+0x5be0/0x5be0 [ 322.894559] ? find_vma+0x34/0x190 [ 322.898116] __do_page_fault+0x5e8/0xe60 [ 322.902191] ? exit_to_usermode_loop+0x1f4/0x380 [ 322.906970] do_page_fault+0xf2/0x7e0 [ 322.910785] ? vmalloc_sync_all+0x30/0x30 [ 322.914961] ? error_entry+0x70/0xd0 [ 322.918685] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.923720] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.928665] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.933603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.938478] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.943507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.948976] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.954001] ? page_fault+0x8/0x30 [ 322.957555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.962413] ? page_fault+0x8/0x30 [ 322.965979] page_fault+0x1e/0x30 [ 322.969459] RIP: 0033:0x45db60 [ 322.972728] Code: Bad RIP value. [ 322.976097] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 322.981477] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 322.988761] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 322.996040] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 323.003324] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 323.010606] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 323.017915] warn_alloc_show_mem: 1 callbacks suppressed [ 323.017929] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 323.017931] Mem-Info: [ 323.017963] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 323.017963] active_file:10 inactive_file:13 isolated_file:0 [ 323.017963] unevictable:0 dirty:0 writeback:0 unstable:0 [ 323.017963] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 323.017963] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 323.017963] free:13762 free_pcp:404 free_cma:0 [ 323.023316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.030607] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 323.033015] Call Trace: [ 323.065806] 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 [ 323.075180] dump_stack+0x244/0x39d [ 323.102497] lowmem_reserve[]: 0 2818 6321 6321 [ 323.105087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.131179] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 323.134819] warn_alloc.cold.116+0xb7/0x1bd [ 323.139371] lowmem_reserve[]: 0 0 3503 3503 [ 323.144566] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.172044] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 323.176376] ? lock_downgrade+0x900/0x900 [ 323.180674] lowmem_reserve[]: 0 0 0 0 [ 323.185526] ? trace_hardirqs_off+0xb8/0x310 [ 323.214481] 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 [ 323.218637] ? trace_hardirqs_off+0xb8/0x310 [ 323.222419] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 323.226852] __alloc_pages_slowpath+0x26e8/0x2e10 [ 323.240366] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 323.244818] ? warn_alloc+0x120/0x120 [ 323.260227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.265080] ? zap_class+0x640/0x640 [ 323.279120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.282929] ? warn_alloc+0x120/0x120 [ 323.291748] 267 total pagecache pages [ 323.295486] ? warn_alloc+0x120/0x120 [ 323.304047] 0 pages in swap cache [ 323.307858] ? print_usage_bug+0xc0/0xc0 [ 323.311636] Swap cache stats: add 0, delete 0, find 0/0 [ 323.315451] ? find_held_lock+0x36/0x1c0 [ 323.318885] Free swap = 0kB [ 323.322955] ? print_usage_bug+0xc0/0xc0 [ 323.328296] Total swap = 0kB [ 323.332370] ? cpuacct_charge+0x265/0x440 [ 323.335369] 1965979 pages RAM [ 323.339455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.342469] 0 pages HighMem/MovableOnly [ 323.346624] ? should_fail+0x22d/0xd01 [ 323.349716] 342853 pages reserved [ 323.355260] ? find_held_lock+0x36/0x1c0 [ 323.359218] 0 pages cma reserved [ 323.363118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.366623] aoe: skb alloc failure [ 323.370614] ? __lock_acquire+0x62f/0x4c20 [ 323.370637] ? should_fail+0x22d/0xd01 [ 323.370664] ? mark_held_locks+0x130/0x130 [ 323.374043] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.379120] ? mark_held_locks+0x130/0x130 [ 323.382642] syz-fuzzer cpuset=/ mems_allowed=0 [ 323.386880] ? __lock_acquire+0x62f/0x4c20 [ 323.418256] ? zap_class+0x640/0x640 [ 323.421977] ? __lock_is_held+0xb5/0x140 [ 323.426055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.431606] ? check_preemption_disabled+0x48/0x280 [ 323.436645] ? __lock_is_held+0xb5/0x140 [ 323.440728] __alloc_pages_nodemask+0xa80/0xde0 [ 323.445409] ? zap_class+0x640/0x640 [ 323.449157] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 323.454197] ? find_held_lock+0x36/0x1c0 [ 323.458286] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.462971] ? lock_downgrade+0x900/0x900 [ 323.467138] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.472692] cache_grow_begin+0xa5/0x8c0 [ 323.476764] ? do_raw_spin_unlock+0xa7/0x330 [ 323.481190] fallback_alloc+0x204/0x2e0 [ 323.485188] ____cache_alloc_node+0x1c7/0x1e0 [ 323.489715] kmem_cache_alloc+0x1f8/0x730 [ 323.493889] skb_clone+0x1bb/0x500 [ 323.497457] ? finish_task_switch+0x2f4/0x910 [ 323.501967] ? skb_split+0x11e0/0x11e0 [ 323.505870] ? preempt_notifier_register+0x200/0x200 [ 323.510985] ? __switch_to_asm+0x34/0x70 [ 323.515055] ? __switch_to_asm+0x34/0x70 [ 323.519126] ? __switch_to_asm+0x40/0x70 [ 323.523193] ? __switch_to_asm+0x34/0x70 [ 323.527267] ? __switch_to_asm+0x40/0x70 [ 323.531333] ? __switch_to_asm+0x34/0x70 [ 323.535401] ? __switch_to_asm+0x40/0x70 [ 323.539491] ? __switch_to_asm+0x34/0x70 [ 323.543567] ? __switch_to_asm+0x34/0x70 [ 323.547636] ? __switch_to_asm+0x40/0x70 [ 323.551704] ? __switch_to_asm+0x34/0x70 [ 323.555785] bpf_clone_redirect+0xb9/0x490 [ 323.560032] ? __schedule+0x8d7/0x21d0 [ 323.563937] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 323.568968] ? __sched_text_start+0x8/0x8 [ 323.573126] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.577909] ? find_held_lock+0x36/0x1c0 [ 323.581991] ? lock_acquire+0x1ed/0x520 [ 323.585978] ? bpf_test_run+0x3cb/0x780 [ 323.589970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.595641] ? check_preemption_disabled+0x48/0x280 [ 323.600676] ? kasan_check_read+0x11/0x20 [ 323.604838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.610124] ? rcu_softirq_qs+0x20/0x20 [ 323.614109] ? preempt_schedule+0x4d/0x60 [ 323.618270] ? ___preempt_schedule+0x16/0x18 [ 323.622704] ? bpf_test_run+0x25d/0x780 [ 323.626702] ? netlink_diag_dump+0x2a0/0x2a0 [ 323.631127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.636678] ? bpf_test_init.isra.10+0x70/0x100 [ 323.641368] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 323.646144] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 323.651006] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.656558] ? fput+0x130/0x1a0 [ 323.659849] ? __bpf_prog_get+0x9b/0x290 [ 323.663925] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 323.668775] ? bpf_prog_test_run+0x130/0x1a0 [ 323.673199] ? __x64_sys_bpf+0x3d8/0x520 [ 323.677276] ? bpf_prog_get+0x20/0x20 [ 323.681113] ? do_syscall_64+0x1b9/0x820 [ 323.685184] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 323.690573] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.695515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.700375] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.705405] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 323.710466] ? prepare_exit_to_usermode+0x291/0x3b0 [ 323.715511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.720373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.726313] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 323.733252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.742616] Call Trace: [ 323.745206] <IRQ> [ 323.747378] dump_stack+0x244/0x39d [ 323.751028] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.756249] warn_alloc.cold.116+0xb7/0x1bd [ 323.757913] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.760593] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.771083] syz-executor2 cpuset=syz2 mems_allowed=0 [ 323.775937] ? lock_downgrade+0x900/0x900 [ 323.785187] ? trace_hardirqs_off+0xb8/0x310 [ 323.789616] ? trace_hardirqs_off+0xb8/0x310 [ 323.794051] __alloc_pages_slowpath+0x26e8/0x2e10 [ 323.798935] ? warn_alloc+0x120/0x120 [ 323.802751] ? warn_alloc+0x120/0x120 [ 323.806567] ? __lock_acquire+0x62f/0x4c20 [ 323.810812] ? warn_alloc+0x120/0x120 [ 323.814628] ? print_usage_bug+0xc0/0xc0 [ 323.818704] ? print_usage_bug+0xc0/0xc0 [ 323.822789] ? mark_held_locks+0x130/0x130 [ 323.827040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.832590] ? should_fail+0x22d/0xd01 [ 323.836491] ? zap_class+0x640/0x640 [ 323.840218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.845338] ? __lock_acquire+0x62f/0x4c20 [ 323.849592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.854708] ? should_fail+0x22d/0xd01 [ 323.858627] ? mark_held_locks+0x130/0x130 [ 323.862895] ? mark_held_locks+0x130/0x130 [ 323.867173] ? lock_downgrade+0x900/0x900 [ 323.871333] ? zap_class+0x640/0x640 [ 323.875058] ? zap_class+0x640/0x640 [ 323.878786] ? zap_class+0x640/0x640 [ 323.882508] ? do_raw_spin_unlock+0xa7/0x330 [ 323.886926] ? trace_hardirqs_on+0x310/0x310 [ 323.891347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.896897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.902467] ? check_preemption_disabled+0x48/0x280 [ 323.907510] ? __lock_is_held+0xb5/0x140 [ 323.911591] __alloc_pages_nodemask+0xa80/0xde0 [ 323.916274] ? zap_class+0x640/0x640 [ 323.920004] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 323.925048] ? find_held_lock+0x36/0x1c0 [ 323.929129] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.933816] ? lock_downgrade+0x900/0x900 [ 323.937982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.943538] cache_grow_begin+0xa5/0x8c0 [ 323.947614] ? do_raw_spin_unlock+0xa7/0x330 [ 323.952042] fallback_alloc+0x204/0x2e0 [ 323.956032] ____cache_alloc_node+0x1c7/0x1e0 [ 323.960548] kmem_cache_alloc_node+0xe3/0x730 [ 323.965057] ? lockdep_hardirqs_on+0x296/0x5b0 [ 323.969663] __alloc_skb+0x119/0x770 [ 323.973387] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.978770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 323.983198] ? vprintk_default+0x28/0x30 [ 323.987274] ? vprintk_func+0x85/0x181 [ 323.991173] ? printk+0xa7/0xcf [ 323.994479] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 323.999260] new_skb+0x26/0x1c0 [ 324.002551] aoecmd_cfg+0x279/0x7f0 [ 324.006195] ? find_held_lock+0x36/0x1c0 [ 324.010270] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 324.014612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.020172] ? __lock_is_held+0xb5/0x140 [ 324.024262] discover_timer+0x50/0x60 [ 324.028074] call_timer_fn+0x272/0x920 [ 324.031973] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.036832] ? process_timeout+0x40/0x40 [ 324.040915] ? mark_held_locks+0xc7/0x130 [ 324.045078] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.049582] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.054086] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.058942] ? lockdep_hardirqs_on+0x296/0x5b0 [ 324.063537] ? trace_hardirqs_on+0xbd/0x310 [ 324.067870] ? kasan_check_read+0x11/0x20 [ 324.072031] ? __run_timers+0x7da/0xc70 [ 324.076015] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.081146] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 324.086000] __run_timers+0x7e5/0xc70 [ 324.089825] ? timer_fixup_init+0x70/0x70 [ 324.093988] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.099018] ? zap_class+0x640/0x640 [ 324.102756] ? print_usage_bug+0xc0/0xc0 [ 324.106833] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.112043] ? find_held_lock+0x36/0x1c0 [ 324.116124] ? zap_class+0x640/0x640 [ 324.119855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.125411] ? check_preemption_disabled+0x48/0x280 [ 324.130481] ? __lock_is_held+0xb5/0x140 [ 324.134561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.140125] ? check_preemption_disabled+0x48/0x280 [ 324.145159] run_timer_softirq+0x52/0xb0 [ 324.149235] ? rcu_read_lock_sched_held+0x14f/0x180 [ 324.154264] __do_softirq+0x308/0xb7e [ 324.158081] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 324.162584] ? lock_downgrade+0x900/0x900 [ 324.166752] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 324.171875] ? pvclock_read_flags+0x160/0x160 [ 324.176383] ? lapic_next_event+0x5a/0x90 [ 324.180547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.186104] ? kvm_clock_read+0x18/0x30 [ 324.190088] ? kvm_sched_clock_read+0x9/0x20 [ 324.194510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.200065] ? check_preemption_disabled+0x48/0x280 [ 324.205103] irq_exit+0x17f/0x1c0 [ 324.208570] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.213422] ? smp_reschedule_interrupt+0x109/0x650 [ 324.218478] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.224377] ? interrupt_entry+0xb5/0xc0 [ 324.228463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.233494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.238520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.243375] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.248402] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.253429] ? task_prio+0x50/0x50 [ 324.256996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.262544] ? check_preemption_disabled+0x48/0x280 [ 324.267574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.272434] apic_timer_interrupt+0xf/0x20 [ 324.276692] </IRQ> [ 324.278947] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 324.284150] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 324.303053] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 324.310770] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 324.318047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 324.325319] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 324.332591] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 324.339863] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 324.347175] retint_kernel+0x1b/0x2d [ 324.350903] RIP: 0010:dump_stack+0x358/0x39d [ 324.355320] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 324.374228] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 324.381941] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 324.389212] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 324.396490] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 324.403762] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 324.411033] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 324.418331] ? dump_stack+0x34f/0x39d [ 324.422155] ? dump_stack_print_info.cold.1+0x20/0x20 [ 324.427359] ? mark_held_locks+0x130/0x130 [ 324.431606] ? mark_held_locks+0x130/0x130 [ 324.435859] dump_header+0x27b/0xf72 [ 324.439596] ? pagefault_out_of_memory+0x197/0x197 [ 324.444548] ? __lock_acquire+0x62f/0x4c20 [ 324.448813] ? percpu_ref_get_many+0x240/0x240 [ 324.453409] ? print_usage_bug+0xc0/0xc0 [ 324.457506] ? zap_class+0x640/0x640 [ 324.461236] ? print_usage_bug+0xc0/0xc0 [ 324.465310] ? print_usage_bug+0xc0/0xc0 [ 324.469384] ? zap_class+0x640/0x640 [ 324.473112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.478665] ? find_held_lock+0x36/0x1c0 [ 324.482748] ? mark_held_locks+0xc7/0x130 [ 324.486918] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.492028] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.497147] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.501745] ? trace_hardirqs_on+0xbd/0x310 [ 324.506078] ? kasan_check_read+0x11/0x20 [ 324.510240] ? ___ratelimit+0x3b4/0x672 [ 324.514226] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.519344] ? trace_hardirqs_on+0x310/0x310 [ 324.523764] ? lock_downgrade+0x900/0x900 [ 324.527926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.533039] ? ___ratelimit+0x3b9/0x672 [ 324.537026] ? idr_get_free+0xf70/0xf70 [ 324.541012] ? find_held_lock+0x36/0x1c0 [ 324.545103] oom_kill_process.cold.27+0x10/0x903 [ 324.549876] ? zap_class+0x640/0x640 [ 324.553607] ? check_preemption_disabled+0x48/0x280 [ 324.558637] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.563580] ? kasan_check_read+0x11/0x20 [ 324.567746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.573036] ? oom_evaluate_task+0x540/0x540 [ 324.577475] ? find_held_lock+0x36/0x1c0 [ 324.581558] ? out_of_memory+0x974/0x1430 [ 324.585721] ? lock_downgrade+0x900/0x900 [ 324.589877] ? check_preemption_disabled+0x48/0x280 [ 324.594906] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.599842] ? kasan_check_read+0x11/0x20 [ 324.604001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.609284] ? rcu_softirq_qs+0x20/0x20 [ 324.613273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.618815] ? oom_evaluate_task+0x302/0x540 [ 324.623238] out_of_memory+0xa84/0x1430 [ 324.627234] ? oom_killer_disable+0x3a0/0x3a0 [ 324.631741] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 324.636684] ? __ww_mutex_check_waiters+0x160/0x160 [ 324.641733] __alloc_pages_slowpath+0x2354/0x2e10 [ 324.646616] ? warn_alloc+0x120/0x120 [ 324.650422] ? mark_held_locks+0x130/0x130 [ 324.654688] ? find_get_entry+0xaae/0x1120 [ 324.658943] ? filemap_map_pages+0x1a20/0x1a20 [ 324.663541] ? zap_class+0x640/0x640 [ 324.667267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.672941] ? check_preemption_disabled+0x48/0x280 [ 324.677964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.683510] ? should_fail+0x22d/0xd01 [ 324.687414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.692543] ? zap_class+0x640/0x640 [ 324.696290] ? __lock_is_held+0xb5/0x140 [ 324.700376] ? mark_held_locks+0x130/0x130 [ 324.704624] ? lock_release+0xa00/0xa00 [ 324.708609] ? perf_trace_sched_process_exec+0x860/0x860 [ 324.714069] ? xa_load+0x2ba/0x460 [ 324.717618] ? lock_downgrade+0x900/0x900 [ 324.721777] ? __might_sleep+0x95/0x190 [ 324.725766] __alloc_pages_nodemask+0xa80/0xde0 [ 324.730565] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 324.735600] ? __page_cache_alloc+0x191/0x5c0 [ 324.740101] ? xa_load+0x2e1/0x460 [ 324.743655] ? xa_clear_mark+0x40/0x40 [ 324.747556] ? zap_class+0x640/0x640 [ 324.751289] ? zap_class+0x640/0x640 [ 324.755008] ? zap_class+0x640/0x640 [ 324.758737] ? __do_page_cache_readahead+0x663/0x810 [ 324.763854] ? find_held_lock+0x36/0x1c0 [ 324.767930] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 324.773506] alloc_pages_current+0x173/0x350 [ 324.777934] __page_cache_alloc+0x38c/0x5c0 [ 324.782264] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.787204] ? kasan_check_read+0x11/0x20 [ 324.791364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.796661] ? generic_perform_write+0x6a0/0x6a0 [ 324.801431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.807003] ? check_preemption_disabled+0x48/0x280 [ 324.812046] filemap_fault+0x1595/0x25f0 [ 324.816136] ? __lock_page_or_retry+0xa00/0xa00 [ 324.820826] ? mark_held_locks+0x130/0x130 [ 324.825085] ? filemap_map_pages+0xd6b/0x1a20 [ 324.829597] ? lock_downgrade+0x900/0x900 [ 324.833761] ? check_preemption_disabled+0x48/0x280 [ 324.838802] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 324.843752] ? kasan_check_read+0x11/0x20 [ 324.847910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.853200] ? rcu_softirq_qs+0x20/0x20 [ 324.857199] ? filemap_map_pages+0xd92/0x1a20 [ 324.861721] ? print_usage_bug+0xc0/0xc0 [ 324.865806] ? find_get_entries_tag+0x1400/0x1400 [ 324.870662] ? __kasan_slab_free+0x102/0x150 [ 324.875081] ? kasan_slab_free+0xe/0x10 [ 324.879069] ? kmem_cache_free+0x83/0x290 [ 324.883232] ? __sigqueue_free.part.29+0x74/0x90 [ 324.888022] ? lock_acquire+0x1ed/0x520 [ 324.892023] ? ext4_filemap_fault+0x7a/0xad [ 324.896364] ? lock_release+0xa00/0xa00 [ 324.900348] ? perf_trace_sched_process_exec+0x860/0x860 [ 324.905812] ? print_usage_bug+0xc0/0xc0 [ 324.909886] ? print_usage_bug+0xc0/0xc0 [ 324.913970] ? down_read+0x8d/0x120 [ 324.917609] ? ext4_filemap_fault+0x7a/0xad [ 324.921943] ? __down_interruptible+0x700/0x700 [ 324.926637] ext4_filemap_fault+0x82/0xad [ 324.930801] __do_fault+0x100/0x6b0 [ 324.934458] ? pmd_devmap_trans_unstable+0x220/0x220 [ 324.939583] ? mark_held_locks+0x130/0x130 [ 324.943833] ? mark_held_locks+0x130/0x130 [ 324.948080] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 324.953635] ? rcu_pm_notify+0xc0/0xc0 [ 324.957540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.963095] __handle_mm_fault+0x3ea0/0x5be0 [ 324.967531] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 324.972383] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.976892] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.981494] ? trace_hardirqs_on+0xbd/0x310 [ 324.985826] ? kasan_check_read+0x11/0x20 [ 324.990016] ? __set_current_blocked+0xdf/0x120 [ 324.994730] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.999859] ? zap_class+0x640/0x640 [ 325.003635] ? zap_class+0x640/0x640 [ 325.007425] ? find_held_lock+0x36/0x1c0 [ 325.011568] ? handle_mm_fault+0x42a/0xc70 [ 325.015818] ? lock_downgrade+0x900/0x900 [ 325.019977] ? check_preemption_disabled+0x48/0x280 [ 325.025011] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 325.029953] ? kasan_check_read+0x11/0x20 [ 325.034110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.039397] ? rcu_softirq_qs+0x20/0x20 [ 325.043385] ? trace_hardirqs_off_caller+0x310/0x310 [ 325.048508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.054060] ? check_preemption_disabled+0x48/0x280 [ 325.059094] handle_mm_fault+0x54f/0xc70 [ 325.063174] ? __handle_mm_fault+0x5be0/0x5be0 [ 325.067775] ? find_vma+0x34/0x190 [ 325.071362] __do_page_fault+0x5e8/0xe60 [ 325.075453] ? exit_to_usermode_loop+0x1f4/0x380 [ 325.080270] do_page_fault+0xf2/0x7e0 [ 325.084082] ? vmalloc_sync_all+0x30/0x30 [ 325.088271] ? error_entry+0x70/0xd0 [ 325.092002] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.097028] ? trace_hardirqs_on_caller+0xc0/0x310 [ 325.101971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.106914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.111769] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.116797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.122288] ? prepare_exit_to_usermode+0x291/0x3b0 [ 325.127318] ? page_fault+0x8/0x30 [ 325.130874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.135734] ? page_fault+0x8/0x30 [ 325.139285] page_fault+0x1e/0x30 [ 325.142747] RIP: 0033:0x45db60 [ 325.145967] Code: Bad RIP value. [ 325.149336] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 325.154714] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 325.161996] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 325.169275] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 325.176554] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 325.183840] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 325.191146] warn_alloc_show_mem: 1 callbacks suppressed [ 325.191160] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 325.191162] Mem-Info: [ 325.191195] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 325.191195] active_file:10 inactive_file:13 isolated_file:0 [ 325.191195] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.191195] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 325.191195] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 325.191195] free:13762 free_pcp:404 free_cma:0 [ 325.196545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.196555] Call Trace: [ 325.203852] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 325.206275] dump_stack+0x244/0x39d [ 325.239061] 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 [ 325.248454] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.251022] lowmem_reserve[]: 0 2818 6321 6321 [ 325.278375] warn_alloc.cold.116+0xb7/0x1bd [ 325.281981] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 325.308181] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.313349] lowmem_reserve[]: 0 0 3503 3503 [ 325.317959] ? lock_downgrade+0x900/0x900 [ 325.322268] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 325.349794] ? trace_hardirqs_off+0xb8/0x310 [ 325.354611] lowmem_reserve[]: 0 0 0 0 [ 325.358959] ? trace_hardirqs_off+0xb8/0x310 [ 325.363086] 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 [ 325.392084] __alloc_pages_slowpath+0x26e8/0x2e10 [ 325.396491] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 325.400325] ? warn_alloc+0x120/0x120 [ 325.404691] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 325.418233] ? zap_class+0x640/0x640 [ 325.423066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 325.438535] ? warn_alloc+0x120/0x120 [ 325.442326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 325.456386] ? warn_alloc+0x120/0x120 [ 325.460082] 267 total pagecache pages [ 325.468932] ? print_usage_bug+0xc0/0xc0 [ 325.472725] 0 pages in swap cache [ 325.481303] ? find_held_lock+0x36/0x1c0 [ 325.485087] Swap cache stats: add 0, delete 0, find 0/0 [ 325.488890] ? print_usage_bug+0xc0/0xc0 [ 325.492924] Free swap = 0kB [ 325.492934] Total swap = 0kB [ 325.496391] ? cpuacct_charge+0x265/0x440 [ 325.500435] 1965979 pages RAM [ 325.505827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.509860] 0 pages HighMem/MovableOnly [ 325.509869] 342853 pages reserved [ 325.512893] ? should_fail+0x22d/0xd01 [ 325.515894] 0 pages cma reserved [ 325.520047] ? find_held_lock+0x36/0x1c0 [ 325.523194] aoe: skb alloc failure [ 325.528682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.528702] ? __lock_acquire+0x62f/0x4c20 [ 325.528727] ? should_fail+0x22d/0xd01 [ 325.532730] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.536157] ? mark_held_locks+0x130/0x130 [ 325.540015] syz-fuzzer cpuset=/ mems_allowed=0 [ 325.543390] ? mark_held_locks+0x130/0x130 [ 325.587468] ? __lock_acquire+0x62f/0x4c20 [ 325.591943] ? zap_class+0x640/0x640 [ 325.595674] ? __lock_is_held+0xb5/0x140 [ 325.599757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.605310] ? check_preemption_disabled+0x48/0x280 [ 325.610354] ? __lock_is_held+0xb5/0x140 [ 325.614436] __alloc_pages_nodemask+0xa80/0xde0 [ 325.619140] ? zap_class+0x640/0x640 [ 325.622876] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 325.627922] ? find_held_lock+0x36/0x1c0 [ 325.632011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.636697] ? lock_downgrade+0x900/0x900 [ 325.640876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.646451] cache_grow_begin+0xa5/0x8c0 [ 325.650531] ? do_raw_spin_unlock+0xa7/0x330 [ 325.654963] fallback_alloc+0x204/0x2e0 [ 325.658958] ____cache_alloc_node+0x1c7/0x1e0 [ 325.663487] kmem_cache_alloc+0x1f8/0x730 [ 325.667659] skb_clone+0x1bb/0x500 [ 325.671227] ? finish_task_switch+0x1b4/0x910 [ 325.675742] ? skb_split+0x11e0/0x11e0 [ 325.679647] ? preempt_notifier_register+0x200/0x200 [ 325.684762] ? __switch_to_asm+0x34/0x70 [ 325.688838] ? __switch_to_asm+0x34/0x70 [ 325.692907] ? __switch_to_asm+0x40/0x70 [ 325.696981] ? __switch_to_asm+0x34/0x70 [ 325.701056] ? __switch_to_asm+0x40/0x70 [ 325.705125] ? __switch_to_asm+0x34/0x70 [ 325.709196] ? __switch_to_asm+0x40/0x70 [ 325.713281] ? __switch_to_asm+0x34/0x70 [ 325.717355] ? __switch_to_asm+0x34/0x70 [ 325.721426] ? __switch_to_asm+0x40/0x70 [ 325.726041] ? __switch_to_asm+0x34/0x70 [ 325.730127] bpf_clone_redirect+0xb9/0x490 [ 325.734376] ? __schedule+0x8d7/0x21d0 [ 325.738282] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 325.743315] ? __sched_text_start+0x8/0x8 [ 325.747490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 325.752276] ? find_held_lock+0x36/0x1c0 [ 325.756363] ? lock_acquire+0x1ed/0x520 [ 325.760349] ? bpf_test_run+0x3cb/0x780 [ 325.764339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.769893] ? check_preemption_disabled+0x48/0x280 [ 325.774935] ? kasan_check_read+0x11/0x20 [ 325.779099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 325.784388] ? rcu_softirq_qs+0x20/0x20 [ 325.788383] ? preempt_schedule+0x4d/0x60 [ 325.792547] ? ___preempt_schedule+0x16/0x18 [ 325.796981] ? bpf_test_run+0x25d/0x780 [ 325.800981] ? netlink_diag_dump+0x2a0/0x2a0 [ 325.805412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.810988] ? bpf_test_init.isra.10+0x70/0x100 [ 325.815681] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 325.820482] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.825339] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.830891] ? fput+0x130/0x1a0 [ 325.834185] ? __bpf_prog_get+0x9b/0x290 [ 325.838271] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.843130] ? bpf_prog_test_run+0x130/0x1a0 [ 325.847555] ? __x64_sys_bpf+0x3d8/0x520 [ 325.851627] ? bpf_prog_get+0x20/0x20 [ 325.855476] ? do_syscall_64+0x1b9/0x820 [ 325.859554] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 325.864940] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.869880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.874740] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.879776] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 325.884807] ? prepare_exit_to_usermode+0x291/0x3b0 [ 325.889845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.894708] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 325.900105] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 325.907054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.916416] Call Trace: [ 325.919027] <IRQ> [ 325.921203] dump_stack+0x244/0x39d [ 325.924855] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.930078] warn_alloc.cold.116+0xb7/0x1bd [ 325.934420] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.939309] ? lock_downgrade+0x900/0x900 [ 325.943501] ? trace_hardirqs_off+0xb8/0x310 [ 325.944002] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.947931] ? trace_hardirqs_off+0xb8/0x310 [ 325.958425] syz-executor2 cpuset=syz2 mems_allowed=0 [ 325.962865] __alloc_pages_slowpath+0x26e8/0x2e10 [ 325.972825] ? warn_alloc+0x120/0x120 [ 325.976648] ? warn_alloc+0x120/0x120 [ 325.980475] ? __lock_acquire+0x62f/0x4c20 [ 325.984734] ? warn_alloc+0x120/0x120 [ 325.988552] ? print_usage_bug+0xc0/0xc0 [ 325.992629] ? print_usage_bug+0xc0/0xc0 [ 325.996702] ? mark_held_locks+0x130/0x130 [ 326.000958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.006514] ? should_fail+0x22d/0xd01 [ 326.010413] ? zap_class+0x640/0x640 [ 326.014155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.019272] ? __lock_acquire+0x62f/0x4c20 [ 326.023521] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.028635] ? should_fail+0x22d/0xd01 [ 326.032552] ? mark_held_locks+0x130/0x130 [ 326.036802] ? mark_held_locks+0x130/0x130 [ 326.041048] ? lock_downgrade+0x900/0x900 [ 326.045208] ? zap_class+0x640/0x640 [ 326.048934] ? zap_class+0x640/0x640 [ 326.052661] ? zap_class+0x640/0x640 [ 326.056385] ? do_raw_spin_unlock+0xa7/0x330 [ 326.060809] ? trace_hardirqs_on+0x310/0x310 [ 326.065233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.070784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.076340] ? check_preemption_disabled+0x48/0x280 [ 326.081379] ? __lock_is_held+0xb5/0x140 [ 326.085470] __alloc_pages_nodemask+0xa80/0xde0 [ 326.090152] ? zap_class+0x640/0x640 [ 326.093881] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 326.098917] ? find_held_lock+0x36/0x1c0 [ 326.103001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.107682] ? lock_downgrade+0x900/0x900 [ 326.111851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.117410] cache_grow_begin+0xa5/0x8c0 [ 326.121516] ? do_raw_spin_unlock+0xa7/0x330 [ 326.125942] fallback_alloc+0x204/0x2e0 [ 326.129933] ____cache_alloc_node+0x1c7/0x1e0 [ 326.134459] kmem_cache_alloc_node+0xe3/0x730 [ 326.138969] ? lockdep_hardirqs_on+0x296/0x5b0 [ 326.143574] __alloc_skb+0x119/0x770 [ 326.147305] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 326.152691] ? netdev_alloc_frag+0x1f0/0x1f0 [ 326.157130] ? vprintk_default+0x28/0x30 [ 326.161202] ? vprintk_func+0x85/0x181 [ 326.165106] ? printk+0xa7/0xcf [ 326.168397] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 326.173174] new_skb+0x26/0x1c0 [ 326.176481] aoecmd_cfg+0x279/0x7f0 [ 326.180124] ? find_held_lock+0x36/0x1c0 [ 326.184197] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 326.188535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.194094] ? __lock_is_held+0xb5/0x140 [ 326.198176] discover_timer+0x50/0x60 [ 326.201986] call_timer_fn+0x272/0x920 [ 326.205901] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 326.210758] ? process_timeout+0x40/0x40 [ 326.214844] ? mark_held_locks+0xc7/0x130 [ 326.219002] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.223511] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.228013] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 326.232880] ? lockdep_hardirqs_on+0x296/0x5b0 [ 326.237491] ? trace_hardirqs_on+0xbd/0x310 [ 326.241822] ? kasan_check_read+0x11/0x20 [ 326.245992] ? __run_timers+0x7da/0xc70 [ 326.249980] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.255108] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 326.259954] __run_timers+0x7e5/0xc70 [ 326.263805] ? timer_fixup_init+0x70/0x70 [ 326.267964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.272991] ? zap_class+0x640/0x640 [ 326.276726] ? print_usage_bug+0xc0/0xc0 [ 326.280815] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.286023] ? find_held_lock+0x36/0x1c0 [ 326.290101] ? zap_class+0x640/0x640 [ 326.293829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.299377] ? check_preemption_disabled+0x48/0x280 [ 326.304414] ? __lock_is_held+0xb5/0x140 [ 326.308503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.314046] ? check_preemption_disabled+0x48/0x280 [ 326.319075] run_timer_softirq+0x52/0xb0 [ 326.323144] ? rcu_read_lock_sched_held+0x14f/0x180 [ 326.328172] __do_softirq+0x308/0xb7e [ 326.332070] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 326.336575] ? lock_downgrade+0x900/0x900 [ 326.340739] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 326.345863] ? pvclock_read_flags+0x160/0x160 [ 326.350367] ? lapic_next_event+0x5a/0x90 [ 326.354529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.360079] ? kvm_clock_read+0x18/0x30 [ 326.364064] ? kvm_sched_clock_read+0x9/0x20 [ 326.368488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.374035] ? check_preemption_disabled+0x48/0x280 [ 326.379083] irq_exit+0x17f/0x1c0 [ 326.382551] smp_apic_timer_interrupt+0x1cb/0x760 [ 326.387399] ? smp_reschedule_interrupt+0x109/0x650 [ 326.392427] ? smp_call_function_single_interrupt+0x650/0x650 [ 326.398341] ? interrupt_entry+0xb5/0xc0 [ 326.402412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 326.407470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 326.412497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.417349] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.422371] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.427393] ? task_prio+0x50/0x50 [ 326.430947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.436498] ? check_preemption_disabled+0x48/0x280 [ 326.441537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.446404] apic_timer_interrupt+0xf/0x20 [ 326.450659] </IRQ> [ 326.452906] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 326.458108] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 326.477028] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 326.484759] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 326.492054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 326.499344] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 326.506636] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 326.513923] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 326.521249] retint_kernel+0x1b/0x2d [ 326.524980] RIP: 0010:dump_stack+0x358/0x39d [ 326.529401] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 326.548323] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 326.556057] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 326.563361] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 326.570647] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 326.577934] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 326.585217] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 326.592532] ? dump_stack+0x34f/0x39d [ 326.596365] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.601576] ? mark_held_locks+0x130/0x130 [ 326.605816] ? mark_held_locks+0x130/0x130 [ 326.610065] dump_header+0x27b/0xf72 [ 326.613817] ? pagefault_out_of_memory+0x197/0x197 [ 326.618767] ? __lock_acquire+0x62f/0x4c20 [ 326.623018] ? percpu_ref_get_many+0x240/0x240 [ 326.627620] ? print_usage_bug+0xc0/0xc0 [ 326.631699] ? zap_class+0x640/0x640 [ 326.635453] ? print_usage_bug+0xc0/0xc0 [ 326.639530] ? print_usage_bug+0xc0/0xc0 [ 326.643604] ? zap_class+0x640/0x640 [ 326.647331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.652884] ? find_held_lock+0x36/0x1c0 [ 326.656968] ? mark_held_locks+0xc7/0x130 [ 326.661156] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 326.666274] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 326.671392] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 326.675992] ? trace_hardirqs_on+0xbd/0x310 [ 326.680326] ? kasan_check_read+0x11/0x20 [ 326.684495] ? ___ratelimit+0x3b4/0x672 [ 326.688492] ? trace_hardirqs_off_caller+0x310/0x310 [ 326.693608] ? trace_hardirqs_on+0x310/0x310 [ 326.698036] ? lock_downgrade+0x900/0x900 [ 326.702205] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 326.707320] ? ___ratelimit+0x3b9/0x672 [ 326.711311] ? idr_get_free+0xf70/0xf70 [ 326.715297] ? find_held_lock+0x36/0x1c0 [ 326.719377] oom_kill_process.cold.27+0x10/0x903 [ 326.724140] ? zap_class+0x640/0x640 [ 326.727860] ? check_preemption_disabled+0x48/0x280 [ 326.732888] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.737826] ? kasan_check_read+0x11/0x20 [ 326.741980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.747267] ? oom_evaluate_task+0x540/0x540 [ 326.751688] ? find_held_lock+0x36/0x1c0 [ 326.755771] ? out_of_memory+0x974/0x1430 [ 326.759928] ? lock_downgrade+0x900/0x900 [ 326.764088] ? check_preemption_disabled+0x48/0x280 [ 326.769114] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.774055] ? kasan_check_read+0x11/0x20 [ 326.778210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.783497] ? rcu_softirq_qs+0x20/0x20 [ 326.787492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.793039] ? oom_evaluate_task+0x302/0x540 [ 326.797475] out_of_memory+0xa84/0x1430 [ 326.801483] ? oom_killer_disable+0x3a0/0x3a0 [ 326.805989] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 326.810931] ? __ww_mutex_check_waiters+0x160/0x160 [ 326.815969] __alloc_pages_slowpath+0x2354/0x2e10 [ 326.820848] ? warn_alloc+0x120/0x120 [ 326.824656] ? mark_held_locks+0x130/0x130 [ 326.828906] ? find_get_entry+0xaae/0x1120 [ 326.833159] ? filemap_map_pages+0x1a20/0x1a20 [ 326.837753] ? zap_class+0x640/0x640 [ 326.841500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.847048] ? check_preemption_disabled+0x48/0x280 [ 326.852069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.857617] ? should_fail+0x22d/0xd01 [ 326.861524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.866636] ? zap_class+0x640/0x640 [ 326.870398] ? __lock_is_held+0xb5/0x140 [ 326.874492] ? mark_held_locks+0x130/0x130 [ 326.878742] ? lock_release+0xa00/0xa00 [ 326.882742] ? perf_trace_sched_process_exec+0x860/0x860 [ 326.888202] ? xa_load+0x2ba/0x460 [ 326.891756] ? lock_downgrade+0x900/0x900 [ 326.895921] ? __might_sleep+0x95/0x190 [ 326.899908] __alloc_pages_nodemask+0xa80/0xde0 [ 326.904596] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 326.909621] ? __page_cache_alloc+0x191/0x5c0 [ 326.914133] ? xa_load+0x2e1/0x460 [ 326.917685] ? xa_clear_mark+0x40/0x40 [ 326.921591] ? zap_class+0x640/0x640 [ 326.925319] ? zap_class+0x640/0x640 [ 326.929038] ? zap_class+0x640/0x640 [ 326.932759] ? __do_page_cache_readahead+0x663/0x810 [ 326.937877] ? find_held_lock+0x36/0x1c0 [ 326.941954] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 326.947511] alloc_pages_current+0x173/0x350 [ 326.951935] __page_cache_alloc+0x38c/0x5c0 [ 326.956266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 326.961203] ? kasan_check_read+0x11/0x20 [ 326.965358] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 326.970647] ? generic_perform_write+0x6a0/0x6a0 [ 326.975412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.980975] ? check_preemption_disabled+0x48/0x280 [ 326.986006] filemap_fault+0x1595/0x25f0 [ 326.990087] ? __lock_page_or_retry+0xa00/0xa00 [ 326.994769] ? mark_held_locks+0x130/0x130 [ 326.999020] ? filemap_map_pages+0xd6b/0x1a20 [ 327.003528] ? lock_downgrade+0x900/0x900 [ 327.007684] ? check_preemption_disabled+0x48/0x280 [ 327.012718] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.017658] ? kasan_check_read+0x11/0x20 [ 327.021825] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.027106] ? rcu_softirq_qs+0x20/0x20 [ 327.031102] ? filemap_map_pages+0xd92/0x1a20 [ 327.035611] ? print_usage_bug+0xc0/0xc0 [ 327.039687] ? find_get_entries_tag+0x1400/0x1400 [ 327.044591] ? __kasan_slab_free+0x102/0x150 [ 327.049006] ? kasan_slab_free+0xe/0x10 [ 327.052993] ? kmem_cache_free+0x83/0x290 [ 327.057175] ? __sigqueue_free.part.29+0x74/0x90 [ 327.061958] ? lock_acquire+0x1ed/0x520 [ 327.065939] ? ext4_filemap_fault+0x7a/0xad [ 327.070281] ? lock_release+0xa00/0xa00 [ 327.074260] ? perf_trace_sched_process_exec+0x860/0x860 [ 327.079726] ? print_usage_bug+0xc0/0xc0 [ 327.083800] ? print_usage_bug+0xc0/0xc0 [ 327.087886] ? down_read+0x8d/0x120 [ 327.091521] ? ext4_filemap_fault+0x7a/0xad [ 327.095852] ? __down_interruptible+0x700/0x700 [ 327.100543] ext4_filemap_fault+0x82/0xad [ 327.104700] __do_fault+0x100/0x6b0 [ 327.108345] ? pmd_devmap_trans_unstable+0x220/0x220 [ 327.113476] ? mark_held_locks+0x130/0x130 [ 327.117731] ? mark_held_locks+0x130/0x130 [ 327.121980] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 327.127527] ? rcu_pm_notify+0xc0/0xc0 [ 327.131431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.137006] __handle_mm_fault+0x3ea0/0x5be0 [ 327.141456] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 327.146312] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.150832] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 327.155432] ? trace_hardirqs_on+0xbd/0x310 [ 327.159792] ? kasan_check_read+0x11/0x20 [ 327.163959] ? __set_current_blocked+0xdf/0x120 [ 327.168647] ? trace_hardirqs_off_caller+0x310/0x310 [ 327.173781] ? zap_class+0x640/0x640 [ 327.177517] ? zap_class+0x640/0x640 [ 327.181255] ? find_held_lock+0x36/0x1c0 [ 327.185344] ? handle_mm_fault+0x42a/0xc70 [ 327.189596] ? lock_downgrade+0x900/0x900 [ 327.193759] ? check_preemption_disabled+0x48/0x280 [ 327.198798] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 327.203748] ? kasan_check_read+0x11/0x20 [ 327.207913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.213209] ? rcu_softirq_qs+0x20/0x20 [ 327.217200] ? trace_hardirqs_off_caller+0x310/0x310 [ 327.222326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.227885] ? check_preemption_disabled+0x48/0x280 [ 327.232931] handle_mm_fault+0x54f/0xc70 [ 327.237025] ? __handle_mm_fault+0x5be0/0x5be0 [ 327.241627] ? find_vma+0x34/0x190 [ 327.245185] __do_page_fault+0x5e8/0xe60 [ 327.249266] ? exit_to_usermode_loop+0x1f4/0x380 [ 327.254044] do_page_fault+0xf2/0x7e0 [ 327.257860] ? vmalloc_sync_all+0x30/0x30 [ 327.262020] ? error_entry+0x70/0xd0 [ 327.265750] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.270777] ? trace_hardirqs_on_caller+0xc0/0x310 [ 327.275724] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.280670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.285534] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.290563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.296036] ? prepare_exit_to_usermode+0x291/0x3b0 [ 327.301066] ? page_fault+0x8/0x30 [ 327.304620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.309486] ? page_fault+0x8/0x30 [ 327.313033] page_fault+0x1e/0x30 [ 327.316491] RIP: 0033:0x45db60 [ 327.319706] Code: Bad RIP value. [ 327.323079] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 327.328458] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 327.335737] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 327.343014] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 327.350285] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 327.357557] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 327.364851] warn_alloc_show_mem: 1 callbacks suppressed [ 327.364865] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 327.364867] Mem-Info: [ 327.364899] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 327.364899] active_file:10 inactive_file:13 isolated_file:0 [ 327.364899] unevictable:0 dirty:0 writeback:0 unstable:0 [ 327.364899] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 327.364899] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 327.364899] free:13762 free_pcp:404 free_cma:0 [ 327.370246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.377534] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 327.379941] Call Trace: [ 327.412733] 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 [ 327.422096] dump_stack+0x244/0x39d [ 327.449398] lowmem_reserve[]: 0 2818 6321 6321 [ 327.451988] ? dump_stack_print_info.cold.1+0x20/0x20 [ 327.478084] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 327.481733] warn_alloc.cold.116+0xb7/0x1bd [ 327.486290] lowmem_reserve[]: 0 0 3503 3503 [ 327.491524] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.519016] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 327.523362] ? lock_downgrade+0x900/0x900 [ 327.527659] lowmem_reserve[]: 0 0 0 0 [ 327.532516] ? trace_hardirqs_off+0xb8/0x310 [ 327.561489] 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 [ 327.565660] ? trace_hardirqs_off+0xb8/0x310 [ 327.569436] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 327.573870] __alloc_pages_slowpath+0x26e8/0x2e10 [ 327.587381] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 327.592119] ? warn_alloc+0x120/0x120 [ 327.607529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 327.612381] ? zap_class+0x640/0x640 [ 327.626419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 327.630248] ? warn_alloc+0x120/0x120 [ 327.639068] 267 total pagecache pages [ 327.642796] ? warn_alloc+0x120/0x120 [ 327.651361] 0 pages in swap cache [ 327.655178] ? print_usage_bug+0xc0/0xc0 [ 327.658961] Swap cache stats: add 0, delete 0, find 0/0 [ 327.662765] ? find_held_lock+0x36/0x1c0 [ 327.666194] Free swap = 0kB [ 327.666203] Total swap = 0kB [ 327.670279] ? print_usage_bug+0xc0/0xc0 [ 327.675629] 1965979 pages RAM [ 327.679703] ? cpuacct_charge+0x265/0x440 [ 327.682697] 0 pages HighMem/MovableOnly [ 327.685721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.689760] 342853 pages reserved [ 327.689769] 0 pages cma reserved [ 327.692884] ? should_fail+0x22d/0xd01 [ 327.697077] aoe: skb alloc failure [ 327.700991] ? find_held_lock+0x36/0x1c0 [ 327.701015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.706578] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.710006] ? __lock_acquire+0x62f/0x4c20 [ 327.713352] syz-fuzzer cpuset=/ mems_allowed=0 [ 327.717253] ? should_fail+0x22d/0xd01 [ 327.753383] ? mark_held_locks+0x130/0x130 [ 327.757634] ? mark_held_locks+0x130/0x130 [ 327.761881] ? __lock_acquire+0x62f/0x4c20 [ 327.766134] ? zap_class+0x640/0x640 [ 327.769863] ? __lock_is_held+0xb5/0x140 [ 327.773939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.779494] ? check_preemption_disabled+0x48/0x280 [ 327.784533] ? __lock_is_held+0xb5/0x140 [ 327.788613] __alloc_pages_nodemask+0xa80/0xde0 [ 327.793291] ? zap_class+0x640/0x640 [ 327.797021] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 327.802060] ? find_held_lock+0x36/0x1c0 [ 327.806147] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.810828] ? lock_downgrade+0x900/0x900 [ 327.814996] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.820555] cache_grow_begin+0xa5/0x8c0 [ 327.824628] ? do_raw_spin_unlock+0xa7/0x330 [ 327.829057] fallback_alloc+0x204/0x2e0 [ 327.833050] ____cache_alloc_node+0x1c7/0x1e0 [ 327.837567] kmem_cache_alloc+0x1f8/0x730 [ 327.841739] skb_clone+0x1bb/0x500 [ 327.845294] ? finish_task_switch+0x2f4/0x910 [ 327.849807] ? skb_split+0x11e0/0x11e0 [ 327.853710] ? preempt_notifier_register+0x200/0x200 [ 327.858835] ? __switch_to_asm+0x34/0x70 [ 327.862901] ? __switch_to_asm+0x34/0x70 [ 327.866971] ? __switch_to_asm+0x40/0x70 [ 327.871049] ? __switch_to_asm+0x34/0x70 [ 327.875142] ? __switch_to_asm+0x40/0x70 [ 327.879208] ? __switch_to_asm+0x34/0x70 [ 327.883285] ? __switch_to_asm+0x40/0x70 [ 327.887353] ? __switch_to_asm+0x34/0x70 [ 327.891430] ? __switch_to_asm+0x34/0x70 [ 327.895519] ? __switch_to_asm+0x40/0x70 [ 327.899587] ? __switch_to_asm+0x34/0x70 [ 327.903668] bpf_clone_redirect+0xb9/0x490 [ 327.907913] ? __schedule+0x8d7/0x21d0 [ 327.911820] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 327.916854] ? __sched_text_start+0x8/0x8 [ 327.921017] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 327.925799] ? find_held_lock+0x36/0x1c0 [ 327.929881] ? lock_acquire+0x1ed/0x520 [ 327.933864] ? bpf_test_run+0x3cb/0x780 [ 327.937866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.943419] ? check_preemption_disabled+0x48/0x280 [ 327.948483] ? kasan_check_read+0x11/0x20 [ 327.952644] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 327.957964] ? rcu_softirq_qs+0x20/0x20 [ 327.961997] ? preempt_schedule+0x4d/0x60 [ 327.966157] ? ___preempt_schedule+0x16/0x18 [ 327.970584] ? bpf_test_run+0x25d/0x780 [ 327.974585] ? netlink_diag_dump+0x2a0/0x2a0 [ 327.979013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.984562] ? bpf_test_init.isra.10+0x70/0x100 [ 327.989253] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 327.994033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.998885] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 328.004431] ? fput+0x130/0x1a0 [ 328.007742] ? __bpf_prog_get+0x9b/0x290 [ 328.011817] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 328.016670] ? bpf_prog_test_run+0x130/0x1a0 [ 328.021122] ? __x64_sys_bpf+0x3d8/0x520 [ 328.025193] ? bpf_prog_get+0x20/0x20 [ 328.029033] ? do_syscall_64+0x1b9/0x820 [ 328.033114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 328.038497] ? syscall_return_slowpath+0x5e0/0x5e0 [ 328.043454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.048317] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.053351] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 328.058382] ? prepare_exit_to_usermode+0x291/0x3b0 [ 328.063421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.068300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.073698] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 328.073926] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.080647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.091122] syz-executor2 cpuset=syz2 mems_allowed=0 [ 328.100482] Call Trace: [ 328.108150] <IRQ> [ 328.110313] dump_stack+0x244/0x39d [ 328.113954] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.119168] warn_alloc.cold.116+0xb7/0x1bd [ 328.123500] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.128354] ? lock_downgrade+0x900/0x900 [ 328.132520] ? trace_hardirqs_off+0xb8/0x310 [ 328.136944] ? trace_hardirqs_off+0xb8/0x310 [ 328.141368] __alloc_pages_slowpath+0x26e8/0x2e10 [ 328.146249] ? warn_alloc+0x120/0x120 [ 328.150067] ? warn_alloc+0x120/0x120 [ 328.153876] ? __lock_acquire+0x62f/0x4c20 [ 328.158121] ? warn_alloc+0x120/0x120 [ 328.161930] ? print_usage_bug+0xc0/0xc0 [ 328.166017] ? print_usage_bug+0xc0/0xc0 [ 328.170091] ? mark_held_locks+0x130/0x130 [ 328.174340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.179888] ? should_fail+0x22d/0xd01 [ 328.183787] ? zap_class+0x640/0x640 [ 328.187512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.192629] ? __lock_acquire+0x62f/0x4c20 [ 328.196876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.201986] ? should_fail+0x22d/0xd01 [ 328.205905] ? mark_held_locks+0x130/0x130 [ 328.210163] ? mark_held_locks+0x130/0x130 [ 328.214404] ? lock_downgrade+0x900/0x900 [ 328.218581] ? zap_class+0x640/0x640 [ 328.222303] ? zap_class+0x640/0x640 [ 328.226030] ? zap_class+0x640/0x640 [ 328.229751] ? do_raw_spin_unlock+0xa7/0x330 [ 328.234172] ? trace_hardirqs_on+0x310/0x310 [ 328.238590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.244136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.249682] ? check_preemption_disabled+0x48/0x280 [ 328.254727] ? __lock_is_held+0xb5/0x140 [ 328.258803] __alloc_pages_nodemask+0xa80/0xde0 [ 328.263511] ? zap_class+0x640/0x640 [ 328.267240] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 328.272278] ? find_held_lock+0x36/0x1c0 [ 328.276358] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.281035] ? lock_downgrade+0x900/0x900 [ 328.285197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.290755] cache_grow_begin+0xa5/0x8c0 [ 328.294825] ? do_raw_spin_unlock+0xa7/0x330 [ 328.299249] fallback_alloc+0x204/0x2e0 [ 328.303241] ____cache_alloc_node+0x1c7/0x1e0 [ 328.307752] kmem_cache_alloc_node+0xe3/0x730 [ 328.312255] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.316856] __alloc_skb+0x119/0x770 [ 328.320573] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 328.325954] ? netdev_alloc_frag+0x1f0/0x1f0 [ 328.330377] ? vprintk_default+0x28/0x30 [ 328.334463] ? vprintk_func+0x85/0x181 [ 328.338362] ? printk+0xa7/0xcf [ 328.341652] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 328.346425] new_skb+0x26/0x1c0 [ 328.349738] aoecmd_cfg+0x279/0x7f0 [ 328.353378] ? find_held_lock+0x36/0x1c0 [ 328.357463] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 328.361803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.367358] ? __lock_is_held+0xb5/0x140 [ 328.371452] discover_timer+0x50/0x60 [ 328.375262] call_timer_fn+0x272/0x920 [ 328.379160] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 328.384010] ? process_timeout+0x40/0x40 [ 328.388090] ? mark_held_locks+0xc7/0x130 [ 328.392251] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.396756] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.401259] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 328.406113] ? lockdep_hardirqs_on+0x296/0x5b0 [ 328.410706] ? trace_hardirqs_on+0xbd/0x310 [ 328.415042] ? kasan_check_read+0x11/0x20 [ 328.419198] ? __run_timers+0x7da/0xc70 [ 328.423181] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.428492] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 328.433342] __run_timers+0x7e5/0xc70 [ 328.437166] ? timer_fixup_init+0x70/0x70 [ 328.441324] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.446349] ? zap_class+0x640/0x640 [ 328.450079] ? print_usage_bug+0xc0/0xc0 [ 328.454155] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.459359] ? find_held_lock+0x36/0x1c0 [ 328.463431] ? zap_class+0x640/0x640 [ 328.467174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.472727] ? check_preemption_disabled+0x48/0x280 [ 328.477759] ? __lock_is_held+0xb5/0x140 [ 328.481827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.487373] ? check_preemption_disabled+0x48/0x280 [ 328.492402] run_timer_softirq+0x52/0xb0 [ 328.496482] ? rcu_read_lock_sched_held+0x14f/0x180 [ 328.501512] __do_softirq+0x308/0xb7e [ 328.505321] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 328.509826] ? lock_downgrade+0x900/0x900 [ 328.513985] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 328.519118] ? pvclock_read_flags+0x160/0x160 [ 328.523627] ? lapic_next_event+0x5a/0x90 [ 328.527787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.533337] ? kvm_clock_read+0x18/0x30 [ 328.537324] ? kvm_sched_clock_read+0x9/0x20 [ 328.541749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.547294] ? check_preemption_disabled+0x48/0x280 [ 328.552327] irq_exit+0x17f/0x1c0 [ 328.555789] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.560641] ? smp_reschedule_interrupt+0x109/0x650 [ 328.565669] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.571562] ? interrupt_entry+0xb5/0xc0 [ 328.575632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.580654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.585681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.590543] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.595570] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.600594] ? task_prio+0x50/0x50 [ 328.604142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.609691] ? check_preemption_disabled+0x48/0x280 [ 328.614748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.619606] apic_timer_interrupt+0xf/0x20 [ 328.623840] </IRQ> [ 328.626090] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 328.631289] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 328.650196] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 328.657912] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 328.665185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 328.672478] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 328.679757] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 328.687034] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 328.694345] retint_kernel+0x1b/0x2d [ 328.698068] RIP: 0010:dump_stack+0x358/0x39d [ 328.702493] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 328.721400] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 328.729131] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 328.736407] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 328.743695] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 328.750973] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 328.758249] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 328.765554] ? dump_stack+0x34f/0x39d [ 328.769377] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.774585] ? mark_held_locks+0x130/0x130 [ 328.778831] ? mark_held_locks+0x130/0x130 [ 328.783078] dump_header+0x27b/0xf72 [ 328.786813] ? pagefault_out_of_memory+0x197/0x197 [ 328.791756] ? __lock_acquire+0x62f/0x4c20 [ 328.796001] ? percpu_ref_get_many+0x240/0x240 [ 328.800597] ? print_usage_bug+0xc0/0xc0 [ 328.804673] ? zap_class+0x640/0x640 [ 328.808396] ? print_usage_bug+0xc0/0xc0 [ 328.812477] ? print_usage_bug+0xc0/0xc0 [ 328.816549] ? zap_class+0x640/0x640 [ 328.820278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.825826] ? find_held_lock+0x36/0x1c0 [ 328.829904] ? mark_held_locks+0xc7/0x130 [ 328.834060] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.839168] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.844281] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 328.848878] ? trace_hardirqs_on+0xbd/0x310 [ 328.853206] ? kasan_check_read+0x11/0x20 [ 328.857364] ? ___ratelimit+0x3b4/0x672 [ 328.861346] ? trace_hardirqs_off_caller+0x310/0x310 [ 328.866473] ? trace_hardirqs_on+0x310/0x310 [ 328.870895] ? lock_downgrade+0x900/0x900 [ 328.875057] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.880168] ? ___ratelimit+0x3b9/0x672 [ 328.884150] ? idr_get_free+0xf70/0xf70 [ 328.888130] ? find_held_lock+0x36/0x1c0 [ 328.892211] oom_kill_process.cold.27+0x10/0x903 [ 328.896977] ? zap_class+0x640/0x640 [ 328.900702] ? check_preemption_disabled+0x48/0x280 [ 328.905737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 328.910672] ? kasan_check_read+0x11/0x20 [ 328.914831] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.920119] ? oom_evaluate_task+0x540/0x540 [ 328.924544] ? find_held_lock+0x36/0x1c0 [ 328.928621] ? out_of_memory+0x974/0x1430 [ 328.932782] ? lock_downgrade+0x900/0x900 [ 328.936936] ? check_preemption_disabled+0x48/0x280 [ 328.941960] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 328.946899] ? kasan_check_read+0x11/0x20 [ 328.951055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 328.956339] ? rcu_softirq_qs+0x20/0x20 [ 328.960327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.965869] ? oom_evaluate_task+0x302/0x540 [ 328.970292] out_of_memory+0xa84/0x1430 [ 328.974282] ? oom_killer_disable+0x3a0/0x3a0 [ 328.978787] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 328.983735] ? __ww_mutex_check_waiters+0x160/0x160 [ 328.988775] __alloc_pages_slowpath+0x2354/0x2e10 [ 328.993656] ? warn_alloc+0x120/0x120 [ 328.997481] ? mark_held_locks+0x130/0x130 [ 329.001736] ? find_get_entry+0xaae/0x1120 [ 329.005988] ? filemap_map_pages+0x1a20/0x1a20 [ 329.010584] ? zap_class+0x640/0x640 [ 329.014310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.019860] ? check_preemption_disabled+0x48/0x280 [ 329.024884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.030427] ? should_fail+0x22d/0xd01 [ 329.034347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.039474] ? zap_class+0x640/0x640 [ 329.043225] ? __lock_is_held+0xb5/0x140 [ 329.047307] ? mark_held_locks+0x130/0x130 [ 329.051558] ? lock_release+0xa00/0xa00 [ 329.055543] ? perf_trace_sched_process_exec+0x860/0x860 [ 329.061007] ? xa_load+0x2ba/0x460 [ 329.064559] ? lock_downgrade+0x900/0x900 [ 329.068725] ? __might_sleep+0x95/0x190 [ 329.072718] __alloc_pages_nodemask+0xa80/0xde0 [ 329.077405] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 329.082536] ? __page_cache_alloc+0x191/0x5c0 [ 329.087038] ? xa_load+0x2e1/0x460 [ 329.090593] ? xa_clear_mark+0x40/0x40 [ 329.094502] ? zap_class+0x640/0x640 [ 329.098232] ? zap_class+0x640/0x640 [ 329.101954] ? zap_class+0x640/0x640 [ 329.105680] ? __do_page_cache_readahead+0x663/0x810 [ 329.110799] ? find_held_lock+0x36/0x1c0 [ 329.114876] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 329.120429] alloc_pages_current+0x173/0x350 [ 329.124873] __page_cache_alloc+0x38c/0x5c0 [ 329.129200] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.134138] ? kasan_check_read+0x11/0x20 [ 329.138294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.143582] ? generic_perform_write+0x6a0/0x6a0 [ 329.148346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.153891] ? check_preemption_disabled+0x48/0x280 [ 329.158922] filemap_fault+0x1595/0x25f0 [ 329.163003] ? __lock_page_or_retry+0xa00/0xa00 [ 329.167684] ? mark_held_locks+0x130/0x130 [ 329.171947] ? filemap_map_pages+0xd6b/0x1a20 [ 329.176468] ? lock_downgrade+0x900/0x900 [ 329.180625] ? check_preemption_disabled+0x48/0x280 [ 329.185652] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.190594] ? kasan_check_read+0x11/0x20 [ 329.194754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.200037] ? rcu_softirq_qs+0x20/0x20 [ 329.204034] ? filemap_map_pages+0xd92/0x1a20 [ 329.208542] ? print_usage_bug+0xc0/0xc0 [ 329.212618] ? find_get_entries_tag+0x1400/0x1400 [ 329.217480] ? __kasan_slab_free+0x102/0x150 [ 329.221895] ? kasan_slab_free+0xe/0x10 [ 329.225874] ? kmem_cache_free+0x83/0x290 [ 329.230032] ? __sigqueue_free.part.29+0x74/0x90 [ 329.234812] ? lock_acquire+0x1ed/0x520 [ 329.238795] ? ext4_filemap_fault+0x7a/0xad [ 329.243130] ? lock_release+0xa00/0xa00 [ 329.247107] ? perf_trace_sched_process_exec+0x860/0x860 [ 329.252565] ? print_usage_bug+0xc0/0xc0 [ 329.256641] ? print_usage_bug+0xc0/0xc0 [ 329.260728] ? down_read+0x8d/0x120 [ 329.264360] ? ext4_filemap_fault+0x7a/0xad [ 329.268691] ? __down_interruptible+0x700/0x700 [ 329.273380] ext4_filemap_fault+0x82/0xad [ 329.277540] __do_fault+0x100/0x6b0 [ 329.281177] ? pmd_devmap_trans_unstable+0x220/0x220 [ 329.286292] ? mark_held_locks+0x130/0x130 [ 329.290538] ? mark_held_locks+0x130/0x130 [ 329.294781] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 329.300326] ? rcu_pm_notify+0xc0/0xc0 [ 329.304229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.309783] __handle_mm_fault+0x3ea0/0x5be0 [ 329.314205] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 329.319054] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.323567] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 329.328169] ? trace_hardirqs_on+0xbd/0x310 [ 329.332508] ? kasan_check_read+0x11/0x20 [ 329.336670] ? __set_current_blocked+0xdf/0x120 [ 329.341359] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.346503] ? zap_class+0x640/0x640 [ 329.350231] ? zap_class+0x640/0x640 [ 329.353966] ? find_held_lock+0x36/0x1c0 [ 329.358050] ? handle_mm_fault+0x42a/0xc70 [ 329.362303] ? lock_downgrade+0x900/0x900 [ 329.366482] ? check_preemption_disabled+0x48/0x280 [ 329.371519] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 329.376475] ? kasan_check_read+0x11/0x20 [ 329.380643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 329.385938] ? rcu_softirq_qs+0x20/0x20 [ 329.389972] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.395124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.400681] ? check_preemption_disabled+0x48/0x280 [ 329.405729] handle_mm_fault+0x54f/0xc70 [ 329.409812] ? __handle_mm_fault+0x5be0/0x5be0 [ 329.414413] ? find_vma+0x34/0x190 [ 329.417988] __do_page_fault+0x5e8/0xe60 [ 329.422068] ? exit_to_usermode_loop+0x1f4/0x380 [ 329.426850] do_page_fault+0xf2/0x7e0 [ 329.430699] ? vmalloc_sync_all+0x30/0x30 [ 329.434872] ? error_entry+0x70/0xd0 [ 329.438603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.443638] ? trace_hardirqs_on_caller+0xc0/0x310 [ 329.448670] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.453615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.458486] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.463521] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.468990] ? prepare_exit_to_usermode+0x291/0x3b0 [ 329.474023] ? page_fault+0x8/0x30 [ 329.477581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.482455] ? page_fault+0x8/0x30 [ 329.486013] page_fault+0x1e/0x30 [ 329.489488] RIP: 0033:0x45db60 [ 329.492705] Code: Bad RIP value. [ 329.496080] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 329.501467] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 329.508747] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 329.516028] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 329.523306] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 329.530585] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 329.537894] warn_alloc_show_mem: 1 callbacks suppressed [ 329.537906] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 329.537908] Mem-Info: [ 329.537940] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 329.537940] active_file:10 inactive_file:13 isolated_file:0 [ 329.537940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 329.537940] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 329.537940] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 329.537940] free:13762 free_pcp:404 free_cma:0 [ 329.543290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.550585] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 329.552995] Call Trace: [ 329.585786] 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 [ 329.595399] <IRQ> [ 329.622731] lowmem_reserve[]: 0 2818 6321 6321 [ 329.625333] dump_stack+0x244/0x39d [ 329.651433] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 329.653622] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.658177] lowmem_reserve[]: 0 0 3503 3503 [ 329.661819] warn_alloc.cold.116+0xb7/0x1bd [ 329.689300] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 329.694515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.698817] lowmem_reserve[]: 0 0 0 0 [ 329.703146] ? lock_downgrade+0x900/0x900 [ 329.732244] 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 [ 329.737104] ? trace_hardirqs_off+0xb8/0x310 [ 329.740876] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 329.745029] ? trace_hardirqs_off+0xb8/0x310 [ 329.758548] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 329.762984] __alloc_pages_slowpath+0x26e8/0x2e10 [ 329.778410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 329.782856] ? warn_alloc+0x120/0x120 [ 329.796876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 329.801730] ? warn_alloc+0x120/0x120 [ 329.810679] 267 total pagecache pages [ 329.814504] ? zap_class+0x640/0x640 [ 329.823103] 0 pages in swap cache [ 329.826916] ? warn_alloc+0x120/0x120 [ 329.830706] Swap cache stats: add 0, delete 0, find 0/0 [ 329.834429] ? print_usage_bug+0xc0/0xc0 [ 329.837879] Free swap = 0kB [ 329.841685] ? idle_cpu+0x1d0/0x1d0 [ 329.847029] Total swap = 0kB [ 329.851098] ? kvm_sched_clock_read+0x9/0x20 [ 329.854097] 1965979 pages RAM [ 329.857735] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 329.860741] 0 pages HighMem/MovableOnly [ 329.865157] ? print_usage_bug+0xc0/0xc0 [ 329.868245] 342853 pages reserved [ 329.873270] ? __lock_is_held+0xb5/0x140 [ 329.877218] 0 pages cma reserved [ 329.877291] aoe: skb alloc failure [ 329.881296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.884764] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.888796] ? should_fail+0x22d/0xd01 [ 329.892149] syz-fuzzer cpuset=/ mems_allowed=0 [ 329.895693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.925034] ? __lock_acquire+0x62f/0x4c20 [ 329.929288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.934400] ? __lock_acquire+0x62f/0x4c20 [ 329.938646] ? should_fail+0x22d/0xd01 [ 329.942557] ? mark_held_locks+0x130/0x130 [ 329.946808] ? mark_held_locks+0x130/0x130 [ 329.951056] ? try_to_wake_up+0x11c/0x1490 [ 329.955305] ? lock_downgrade+0x900/0x900 [ 329.959488] ? zap_class+0x640/0x640 [ 329.963220] ? print_usage_bug+0xc0/0xc0 [ 329.967291] ? trace_hardirqs_off+0xb8/0x310 [ 329.971715] ? kasan_check_read+0x11/0x20 [ 329.975883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.981458] ? check_preemption_disabled+0x48/0x280 [ 329.986511] ? __lock_is_held+0xb5/0x140 [ 329.990592] __alloc_pages_nodemask+0xa80/0xde0 [ 329.995274] ? zap_class+0x640/0x640 [ 329.999007] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 330.004052] ? find_held_lock+0x36/0x1c0 [ 330.008139] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.012822] ? lock_downgrade+0x900/0x900 [ 330.016995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.022552] cache_grow_begin+0xa5/0x8c0 [ 330.026632] ? do_raw_spin_unlock+0xa7/0x330 [ 330.031095] fallback_alloc+0x204/0x2e0 [ 330.035095] ____cache_alloc_node+0x1c7/0x1e0 [ 330.039614] kmem_cache_alloc_node+0xe3/0x730 [ 330.044123] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.048380] __alloc_skb+0x119/0x770 [ 330.052106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.057400] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.061826] ? lock_downgrade+0x900/0x900 [ 330.065996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.071549] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.077019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.082493] ? addrconf_rs_timer+0x690/0x690 [ 330.086925] ndisc_alloc_skb+0x144/0x340 [ 330.091005] ndisc_send_rs+0x331/0x6e0 [ 330.094911] addrconf_rs_timer+0x314/0x690 [ 330.099164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.103424] call_timer_fn+0x272/0x920 [ 330.107341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.111589] ? process_timeout+0x40/0x40 [ 330.115669] ? __run_timers+0x7da/0xc70 [ 330.119654] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.124157] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.128663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.132908] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.137506] ? trace_hardirqs_on+0xbd/0x310 [ 330.141839] ? kasan_check_read+0x11/0x20 [ 330.145996] ? __run_timers+0x7da/0xc70 [ 330.149985] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.155119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.159370] __run_timers+0x7e5/0xc70 [ 330.163190] ? timer_fixup_init+0x70/0x70 [ 330.167354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.172382] ? zap_class+0x640/0x640 [ 330.176112] ? enqueue_hrtimer+0x1a5/0x560 [ 330.180361] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.185571] ? find_held_lock+0x36/0x1c0 [ 330.189649] ? zap_class+0x640/0x640 [ 330.193376] ? pvclock_read_flags+0x160/0x160 [ 330.197885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.203453] ? check_preemption_disabled+0x48/0x280 [ 330.208503] ? __lock_is_held+0xb5/0x140 [ 330.212577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.218131] ? check_preemption_disabled+0x48/0x280 [ 330.223168] run_timer_softirq+0x52/0xb0 [ 330.227250] ? rcu_read_lock_sched_held+0x14f/0x180 [ 330.232278] __do_softirq+0x308/0xb7e [ 330.236108] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 330.240615] ? lock_downgrade+0x900/0x900 [ 330.244784] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 330.249924] ? pvclock_read_flags+0x160/0x160 [ 330.254436] ? lapic_next_event+0x5a/0x90 [ 330.258622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.264178] ? kvm_clock_read+0x18/0x30 [ 330.268167] ? kvm_sched_clock_read+0x9/0x20 [ 330.272590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.278141] ? check_preemption_disabled+0x48/0x280 [ 330.283180] irq_exit+0x17f/0x1c0 [ 330.286650] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.291504] ? smp_reschedule_interrupt+0x109/0x650 [ 330.296537] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.302434] ? interrupt_entry+0xb5/0xc0 [ 330.306529] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.311561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.316592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.321462] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.326493] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.331525] ? task_prio+0x50/0x50 [ 330.335077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.340631] ? check_preemption_disabled+0x48/0x280 [ 330.345668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.350533] apic_timer_interrupt+0xf/0x20 [ 330.354773] </IRQ> [ 330.357025] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 330.361970] 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 ac [ 330.380887] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 330.388617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 330.395896] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 330.403179] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 330.410479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 330.417760] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 330.425089] skb_clone+0x1bb/0x500 [ 330.428641] ? finish_task_switch+0x2f4/0x910 [ 330.433151] ? skb_split+0x11e0/0x11e0 [ 330.437056] ? preempt_notifier_register+0x200/0x200 [ 330.442168] ? __switch_to_asm+0x34/0x70 [ 330.446244] ? __switch_to_asm+0x34/0x70 [ 330.450311] ? __switch_to_asm+0x40/0x70 [ 330.454382] ? __switch_to_asm+0x34/0x70 [ 330.458465] ? __switch_to_asm+0x40/0x70 [ 330.462537] ? __switch_to_asm+0x34/0x70 [ 330.466606] ? __switch_to_asm+0x40/0x70 [ 330.470673] ? __switch_to_asm+0x34/0x70 [ 330.474746] ? __switch_to_asm+0x34/0x70 [ 330.478826] ? __switch_to_asm+0x40/0x70 [ 330.482894] ? __switch_to_asm+0x34/0x70 [ 330.486976] bpf_clone_redirect+0xb9/0x490 [ 330.491227] ? __schedule+0x8d7/0x21d0 [ 330.495132] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 330.500164] ? __sched_text_start+0x8/0x8 [ 330.504329] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.509111] ? find_held_lock+0x36/0x1c0 [ 330.513195] ? lock_acquire+0x1ed/0x520 [ 330.517188] ? bpf_test_run+0x3cb/0x780 [ 330.521177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.526734] ? check_preemption_disabled+0x48/0x280 [ 330.531768] ? kasan_check_read+0x11/0x20 [ 330.535930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 330.541235] ? rcu_softirq_qs+0x20/0x20 [ 330.545232] ? preempt_schedule+0x4d/0x60 [ 330.549393] ? ___preempt_schedule+0x16/0x18 [ 330.553832] ? bpf_test_run+0x25d/0x780 [ 330.557831] ? netlink_diag_dump+0x2a0/0x2a0 [ 330.562255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.567808] ? bpf_test_init.isra.10+0x70/0x100 [ 330.572516] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 330.577302] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 330.582157] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.587712] ? fput+0x130/0x1a0 [ 330.591004] ? __bpf_prog_get+0x9b/0x290 [ 330.595084] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 330.599935] ? bpf_prog_test_run+0x130/0x1a0 [ 330.604358] ? __x64_sys_bpf+0x3d8/0x520 [ 330.608428] ? bpf_prog_get+0x20/0x20 [ 330.612283] ? do_syscall_64+0x1b9/0x820 [ 330.616353] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 330.621732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 330.626673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.631531] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.636561] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 330.641595] ? prepare_exit_to_usermode+0x291/0x3b0 [ 330.646635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.651499] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.656893] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 330.656971] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.663832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.663842] Call Trace: [ 330.682282] <IRQ> [ 330.684473] dump_stack+0x244/0x39d [ 330.688125] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.693348] warn_alloc.cold.116+0xb7/0x1bd [ 330.697694] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.698188] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.702572] ? lock_downgrade+0x900/0x900 [ 330.713582] syz-executor2 cpuset=syz2 mems_allowed=0 [ 330.717747] ? trace_hardirqs_off+0xb8/0x310 [ 330.727265] ? trace_hardirqs_off+0xb8/0x310 [ 330.731829] __alloc_pages_slowpath+0x26e8/0x2e10 [ 330.736735] ? warn_alloc+0x120/0x120 [ 330.740565] ? warn_alloc+0x120/0x120 [ 330.744387] ? __lock_acquire+0x62f/0x4c20 [ 330.748640] ? warn_alloc+0x120/0x120 [ 330.752472] ? print_usage_bug+0xc0/0xc0 [ 330.756558] ? print_usage_bug+0xc0/0xc0 [ 330.760639] ? mark_held_locks+0x130/0x130 [ 330.764897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.770469] ? should_fail+0x22d/0xd01 [ 330.774372] ? zap_class+0x640/0x640 [ 330.778107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.783231] ? __lock_acquire+0x62f/0x4c20 [ 330.787500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.792622] ? should_fail+0x22d/0xd01 [ 330.796538] ? mark_held_locks+0x130/0x130 [ 330.800793] ? mark_held_locks+0x130/0x130 [ 330.805042] ? lock_downgrade+0x900/0x900 [ 330.809205] ? zap_class+0x640/0x640 [ 330.812934] ? zap_class+0x640/0x640 [ 330.816665] ? zap_class+0x640/0x640 [ 330.820385] ? do_raw_spin_unlock+0xa7/0x330 [ 330.824811] ? trace_hardirqs_on+0x310/0x310 [ 330.829237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.834794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.840353] ? check_preemption_disabled+0x48/0x280 [ 330.845398] ? __lock_is_held+0xb5/0x140 [ 330.849494] __alloc_pages_nodemask+0xa80/0xde0 [ 330.854178] ? zap_class+0x640/0x640 [ 330.857913] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 330.862954] ? find_held_lock+0x36/0x1c0 [ 330.867038] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.871731] ? lock_downgrade+0x900/0x900 [ 330.875903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.881481] cache_grow_begin+0xa5/0x8c0 [ 330.885557] ? do_raw_spin_unlock+0xa7/0x330 [ 330.889991] fallback_alloc+0x204/0x2e0 [ 330.893984] ____cache_alloc_node+0x1c7/0x1e0 [ 330.898501] kmem_cache_alloc_node+0xe3/0x730 [ 330.903010] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.907611] __alloc_skb+0x119/0x770 [ 330.911338] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.916731] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.921158] ? vprintk_default+0x28/0x30 [ 330.925230] ? vprintk_func+0x85/0x181 [ 330.929129] ? printk+0xa7/0xcf [ 330.932420] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 330.937216] new_skb+0x26/0x1c0 [ 330.940514] aoecmd_cfg+0x279/0x7f0 [ 330.944152] ? find_held_lock+0x36/0x1c0 [ 330.948223] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 330.952568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.958131] ? __lock_is_held+0xb5/0x140 [ 330.962216] discover_timer+0x50/0x60 [ 330.966030] call_timer_fn+0x272/0x920 [ 330.969928] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.974787] ? process_timeout+0x40/0x40 [ 330.978874] ? mark_held_locks+0xc7/0x130 [ 330.983033] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.987539] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.992043] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.996897] ? lockdep_hardirqs_on+0x296/0x5b0 [ 331.001496] ? trace_hardirqs_on+0xbd/0x310 [ 331.005828] ? kasan_check_read+0x11/0x20 [ 331.009986] ? __run_timers+0x7da/0xc70 [ 331.013972] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.019102] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.023951] __run_timers+0x7e5/0xc70 [ 331.027775] ? timer_fixup_init+0x70/0x70 [ 331.031938] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 331.036971] ? zap_class+0x640/0x640 [ 331.040701] ? print_usage_bug+0xc0/0xc0 [ 331.044787] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.049999] ? find_held_lock+0x36/0x1c0 [ 331.054076] ? zap_class+0x640/0x640 [ 331.057808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.063361] ? check_preemption_disabled+0x48/0x280 [ 331.068400] ? __lock_is_held+0xb5/0x140 [ 331.072489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.078041] ? check_preemption_disabled+0x48/0x280 [ 331.083107] run_timer_softirq+0x52/0xb0 [ 331.087181] ? rcu_read_lock_sched_held+0x14f/0x180 [ 331.092214] __do_softirq+0x308/0xb7e [ 331.096035] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 331.100545] ? lock_downgrade+0x900/0x900 [ 331.104719] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 331.109844] ? pvclock_read_flags+0x160/0x160 [ 331.114362] ? lapic_next_event+0x5a/0x90 [ 331.118529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.124087] ? kvm_clock_read+0x18/0x30 [ 331.128076] ? kvm_sched_clock_read+0x9/0x20 [ 331.132522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.138078] ? check_preemption_disabled+0x48/0x280 [ 331.143120] irq_exit+0x17f/0x1c0 [ 331.146587] smp_apic_timer_interrupt+0x1cb/0x760 [ 331.151456] ? smp_reschedule_interrupt+0x109/0x650 [ 331.156496] ? smp_call_function_single_interrupt+0x650/0x650 [ 331.162399] ? interrupt_entry+0xb5/0xc0 [ 331.166488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.171520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.176553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.181414] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.186471] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.191502] ? task_prio+0x50/0x50 [ 331.195056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.200621] ? check_preemption_disabled+0x48/0x280 [ 331.205657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.210523] apic_timer_interrupt+0xf/0x20 [ 331.214759] </IRQ> [ 331.217006] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 331.222207] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 331.241128] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 331.248851] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 331.256133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 331.263417] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 331.270719] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 331.278000] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 331.285317] retint_kernel+0x1b/0x2d [ 331.289042] RIP: 0010:dump_stack+0x358/0x39d [ 331.293474] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 331.312394] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 331.320135] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 331.327419] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 331.334723] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 331.342005] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 331.349280] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 331.356603] ? dump_stack+0x34f/0x39d [ 331.360429] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.365655] ? mark_held_locks+0x130/0x130 [ 331.369899] ? mark_held_locks+0x130/0x130 [ 331.374147] dump_header+0x27b/0xf72 [ 331.377884] ? pagefault_out_of_memory+0x197/0x197 [ 331.382832] ? __lock_acquire+0x62f/0x4c20 [ 331.387080] ? percpu_ref_get_many+0x240/0x240 [ 331.391676] ? print_usage_bug+0xc0/0xc0 [ 331.395754] ? zap_class+0x640/0x640 [ 331.399497] ? print_usage_bug+0xc0/0xc0 [ 331.403569] ? print_usage_bug+0xc0/0xc0 [ 331.407643] ? zap_class+0x640/0x640 [ 331.411371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.416927] ? find_held_lock+0x36/0x1c0 [ 331.421010] ? mark_held_locks+0xc7/0x130 [ 331.425172] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.430284] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.435407] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 331.440033] ? trace_hardirqs_on+0xbd/0x310 [ 331.444380] ? kasan_check_read+0x11/0x20 [ 331.448540] ? ___ratelimit+0x3b4/0x672 [ 331.452527] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.457645] ? trace_hardirqs_on+0x310/0x310 [ 331.462069] ? lock_downgrade+0x900/0x900 [ 331.466231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.471348] ? ___ratelimit+0x3b9/0x672 [ 331.475337] ? idr_get_free+0xf70/0xf70 [ 331.479323] ? find_held_lock+0x36/0x1c0 [ 331.483405] oom_kill_process.cold.27+0x10/0x903 [ 331.488187] ? zap_class+0x640/0x640 [ 331.491916] ? check_preemption_disabled+0x48/0x280 [ 331.496951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.501891] ? kasan_check_read+0x11/0x20 [ 331.506048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.511341] ? oom_evaluate_task+0x540/0x540 [ 331.515764] ? find_held_lock+0x36/0x1c0 [ 331.519845] ? out_of_memory+0x974/0x1430 [ 331.524006] ? lock_downgrade+0x900/0x900 [ 331.528164] ? check_preemption_disabled+0x48/0x280 [ 331.533196] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.538137] ? kasan_check_read+0x11/0x20 [ 331.542302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.547598] ? rcu_softirq_qs+0x20/0x20 [ 331.551594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.557142] ? oom_evaluate_task+0x302/0x540 [ 331.561566] out_of_memory+0xa84/0x1430 [ 331.565559] ? oom_killer_disable+0x3a0/0x3a0 [ 331.570065] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 331.575013] ? __ww_mutex_check_waiters+0x160/0x160 [ 331.580053] __alloc_pages_slowpath+0x2354/0x2e10 [ 331.584935] ? warn_alloc+0x120/0x120 [ 331.588747] ? mark_held_locks+0x130/0x130 [ 331.593505] ? find_get_entry+0xaae/0x1120 [ 331.597762] ? filemap_map_pages+0x1a20/0x1a20 [ 331.602359] ? zap_class+0x640/0x640 [ 331.606087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.611642] ? check_preemption_disabled+0x48/0x280 [ 331.616670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.622222] ? should_fail+0x22d/0xd01 [ 331.626127] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.631243] ? zap_class+0x640/0x640 [ 331.634999] ? __lock_is_held+0xb5/0x140 [ 331.639084] ? mark_held_locks+0x130/0x130 [ 331.643336] ? lock_release+0xa00/0xa00 [ 331.647320] ? perf_trace_sched_process_exec+0x860/0x860 [ 331.652783] ? xa_load+0x2ba/0x460 [ 331.656337] ? lock_downgrade+0x900/0x900 [ 331.660505] ? __might_sleep+0x95/0x190 [ 331.664499] __alloc_pages_nodemask+0xa80/0xde0 [ 331.669188] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 331.674219] ? __page_cache_alloc+0x191/0x5c0 [ 331.678733] ? xa_load+0x2e1/0x460 [ 331.682287] ? xa_clear_mark+0x40/0x40 [ 331.686193] ? zap_class+0x640/0x640 [ 331.689929] ? zap_class+0x640/0x640 [ 331.693649] ? zap_class+0x640/0x640 [ 331.697376] ? __do_page_cache_readahead+0x663/0x810 [ 331.702509] ? find_held_lock+0x36/0x1c0 [ 331.706591] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 331.712153] alloc_pages_current+0x173/0x350 [ 331.716587] __page_cache_alloc+0x38c/0x5c0 [ 331.720921] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.726125] ? kasan_check_read+0x11/0x20 [ 331.730287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.735584] ? generic_perform_write+0x6a0/0x6a0 [ 331.740358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.745914] ? check_preemption_disabled+0x48/0x280 [ 331.750953] filemap_fault+0x1595/0x25f0 [ 331.755048] ? __lock_page_or_retry+0xa00/0xa00 [ 331.759744] ? mark_held_locks+0x130/0x130 [ 331.764004] ? filemap_map_pages+0xd6b/0x1a20 [ 331.768520] ? lock_downgrade+0x900/0x900 [ 331.772684] ? check_preemption_disabled+0x48/0x280 [ 331.777732] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.782682] ? kasan_check_read+0x11/0x20 [ 331.786852] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.792145] ? rcu_softirq_qs+0x20/0x20 [ 331.796149] ? filemap_map_pages+0xd92/0x1a20 [ 331.800665] ? print_usage_bug+0xc0/0xc0 [ 331.804750] ? find_get_entries_tag+0x1400/0x1400 [ 331.809607] ? __kasan_slab_free+0x102/0x150 [ 331.814033] ? kasan_slab_free+0xe/0x10 [ 331.818018] ? kmem_cache_free+0x83/0x290 [ 331.822184] ? __sigqueue_free.part.29+0x74/0x90 [ 331.826976] ? lock_acquire+0x1ed/0x520 [ 331.830963] ? ext4_filemap_fault+0x7a/0xad [ 331.835311] ? lock_release+0xa00/0xa00 [ 331.839301] ? perf_trace_sched_process_exec+0x860/0x860 [ 331.844773] ? print_usage_bug+0xc0/0xc0 [ 331.848850] ? print_usage_bug+0xc0/0xc0 [ 331.852939] ? down_read+0x8d/0x120 [ 331.856578] ? ext4_filemap_fault+0x7a/0xad [ 331.860918] ? __down_interruptible+0x700/0x700 [ 331.865618] ext4_filemap_fault+0x82/0xad [ 331.869789] __do_fault+0x100/0x6b0 [ 331.873436] ? pmd_devmap_trans_unstable+0x220/0x220 [ 331.878581] ? mark_held_locks+0x130/0x130 [ 331.882832] ? mark_held_locks+0x130/0x130 [ 331.887081] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 331.892639] ? rcu_pm_notify+0xc0/0xc0 [ 331.896551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.902116] __handle_mm_fault+0x3ea0/0x5be0 [ 331.906552] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 331.911409] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.915940] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 331.920546] ? trace_hardirqs_on+0xbd/0x310 [ 331.924885] ? kasan_check_read+0x11/0x20 [ 331.929050] ? __set_current_blocked+0xdf/0x120 [ 331.933741] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.938876] ? zap_class+0x640/0x640 [ 331.942605] ? zap_class+0x640/0x640 [ 331.946337] ? find_held_lock+0x36/0x1c0 [ 331.950425] ? handle_mm_fault+0x42a/0xc70 [ 331.954693] ? lock_downgrade+0x900/0x900 [ 331.958858] ? check_preemption_disabled+0x48/0x280 [ 331.963891] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 331.968838] ? kasan_check_read+0x11/0x20 [ 331.972998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.978288] ? rcu_softirq_qs+0x20/0x20 [ 331.982273] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.987395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.993127] ? check_preemption_disabled+0x48/0x280 [ 331.998169] handle_mm_fault+0x54f/0xc70 [ 332.002254] ? __handle_mm_fault+0x5be0/0x5be0 [ 332.006858] ? find_vma+0x34/0x190 [ 332.010419] __do_page_fault+0x5e8/0xe60 [ 332.014517] ? exit_to_usermode_loop+0x1f4/0x380 [ 332.019301] do_page_fault+0xf2/0x7e0 [ 332.023121] ? vmalloc_sync_all+0x30/0x30 [ 332.027281] ? error_entry+0x70/0xd0 [ 332.031010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.036039] ? trace_hardirqs_on_caller+0xc0/0x310 [ 332.040985] ? syscall_return_slowpath+0x5e0/0x5e0 [ 332.045927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.050782] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.055814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.061287] ? prepare_exit_to_usermode+0x291/0x3b0 [ 332.066321] ? page_fault+0x8/0x30 [ 332.069878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.074740] ? page_fault+0x8/0x30 [ 332.078289] page_fault+0x1e/0x30 [ 332.081752] RIP: 0033:0x45db60 [ 332.084968] Code: Bad RIP value. [ 332.088335] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 332.093705] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 332.100990] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 332.108274] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 332.115557] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 332.122838] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 332.130147] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 332.130153] warn_alloc_show_mem: 1 callbacks suppressed [ 332.130161] Mem-Info: [ 332.137462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.142841] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 332.142841] active_file:10 inactive_file:13 isolated_file:0 [ 332.142841] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.142841] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 332.142841] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 332.142841] free:13762 free_pcp:404 free_cma:0 [ 332.145228] Call Trace: [ 332.154632] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.187426] dump_stack+0x244/0x39d [ 332.190007] 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 [ 332.217357] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.220954] lowmem_reserve[]: 0 2818 6321 6321 [ 332.247229] warn_alloc.cold.116+0xb7/0x1bd [ 332.252399] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 332.256994] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.261298] lowmem_reserve[]: 0 0 3503 3503 [ 332.288870] ? lock_downgrade+0x900/0x900 [ 332.293703] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 332.298040] ? trace_hardirqs_off+0xb8/0x310 [ 332.302167] lowmem_reserve[]: 0 0 0 0 [ 332.331166] ? trace_hardirqs_off+0xb8/0x310 [ 332.335563] 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 [ 332.339375] __alloc_pages_slowpath+0x26e8/0x2e10 [ 332.343760] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 332.357325] ? warn_alloc+0x120/0x120 [ 332.362135] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 332.377642] ? zap_class+0x640/0x640 [ 332.381436] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.395554] ? warn_alloc+0x120/0x120 [ 332.399257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.408102] ? warn_alloc+0x120/0x120 [ 332.411887] 267 total pagecache pages [ 332.420487] ? print_usage_bug+0xc0/0xc0 [ 332.424278] 0 pages in swap cache [ 332.428075] ? find_held_lock+0x36/0x1c0 [ 332.432125] Swap cache stats: add 0, delete 0, find 0/0 [ 332.435581] ? print_usage_bug+0xc0/0xc0 [ 332.439619] Free swap = 0kB [ 332.439628] Total swap = 0kB [ 332.445001] ? cpuacct_charge+0x265/0x440 [ 332.449044] 1965979 pages RAM [ 332.452069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.455070] 0 pages HighMem/MovableOnly [ 332.459227] ? should_fail+0x22d/0xd01 [ 332.462306] 342853 pages reserved [ 332.467851] ? find_held_lock+0x36/0x1c0 [ 332.471807] 0 pages cma reserved [ 332.475708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.479222] aoe: skb alloc failure [ 332.483219] ? __lock_acquire+0x62f/0x4c20 [ 332.486594] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.491673] ? should_fail+0x22d/0xd01 [ 332.495190] syz-fuzzer cpuset=/ mems_allowed=0 [ 332.499461] ? mark_held_locks+0x130/0x130 [ 332.522374] ? mark_held_locks+0x130/0x130 [ 332.526623] ? __lock_acquire+0x62f/0x4c20 [ 332.530877] ? zap_class+0x640/0x640 [ 332.534602] ? __lock_is_held+0xb5/0x140 [ 332.538675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.544235] ? check_preemption_disabled+0x48/0x280 [ 332.549284] ? __lock_is_held+0xb5/0x140 [ 332.553350] __alloc_pages_nodemask+0xa80/0xde0 [ 332.558018] ? zap_class+0x640/0x640 [ 332.561764] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 332.566794] ? find_held_lock+0x36/0x1c0 [ 332.570908] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.575598] ? lock_downgrade+0x900/0x900 [ 332.579760] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 332.585308] cache_grow_begin+0xa5/0x8c0 [ 332.589372] ? do_raw_spin_unlock+0xa7/0x330 [ 332.593792] fallback_alloc+0x204/0x2e0 [ 332.597791] ____cache_alloc_node+0x1c7/0x1e0 [ 332.602294] kmem_cache_alloc+0x1f8/0x730 [ 332.606464] skb_clone+0x1bb/0x500 [ 332.610010] ? finish_task_switch+0x1b4/0x910 [ 332.614510] ? skb_split+0x11e0/0x11e0 [ 332.618416] ? preempt_notifier_register+0x200/0x200 [ 332.623525] ? __switch_to_asm+0x34/0x70 [ 332.627603] ? __switch_to_asm+0x34/0x70 [ 332.631660] ? __switch_to_asm+0x40/0x70 [ 332.635737] ? __switch_to_asm+0x34/0x70 [ 332.639796] ? __switch_to_asm+0x40/0x70 [ 332.643856] ? __switch_to_asm+0x34/0x70 [ 332.647923] ? __switch_to_asm+0x40/0x70 [ 332.651986] ? __switch_to_asm+0x34/0x70 [ 332.656049] ? __switch_to_asm+0x34/0x70 [ 332.660113] ? __switch_to_asm+0x40/0x70 [ 332.664176] ? __switch_to_asm+0x34/0x70 [ 332.668258] bpf_clone_redirect+0xb9/0x490 [ 332.672500] ? __schedule+0x8d7/0x21d0 [ 332.676397] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 332.681422] ? __sched_text_start+0x8/0x8 [ 332.685602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 332.690381] ? find_held_lock+0x36/0x1c0 [ 332.694463] ? lock_acquire+0x1ed/0x520 [ 332.698450] ? bpf_test_run+0x3cb/0x780 [ 332.702431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.707988] ? check_preemption_disabled+0x48/0x280 [ 332.713014] ? kasan_check_read+0x11/0x20 [ 332.717166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.722455] ? rcu_softirq_qs+0x20/0x20 [ 332.726447] ? preempt_schedule+0x4d/0x60 [ 332.730609] ? ___preempt_schedule+0x16/0x18 [ 332.735035] ? bpf_test_run+0x25d/0x780 [ 332.739029] ? netlink_diag_dump+0x2a0/0x2a0 [ 332.743458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.748998] ? bpf_test_init.isra.10+0x70/0x100 [ 332.753675] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 332.758456] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 332.763302] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 332.768845] ? fput+0x130/0x1a0 [ 332.772133] ? __bpf_prog_get+0x9b/0x290 [ 332.776202] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 332.781056] ? bpf_prog_test_run+0x130/0x1a0 [ 332.785478] ? __x64_sys_bpf+0x3d8/0x520 [ 332.789543] ? bpf_prog_get+0x20/0x20 [ 332.793371] ? do_syscall_64+0x1b9/0x820 [ 332.797435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 332.802814] ? syscall_return_slowpath+0x5e0/0x5e0 [ 332.807745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.812596] ? trace_hardirqs_on_caller+0x310/0x310 [ 332.817616] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 332.822636] ? prepare_exit_to_usermode+0x291/0x3b0 [ 332.827665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.832519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 332.837917] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 332.838234] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.844851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.855343] syz-executor2 cpuset=syz2 mems_allowed=0 [ 332.864681] Call Trace: [ 332.872352] <IRQ> [ 332.874508] dump_stack+0x244/0x39d [ 332.878166] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.883381] warn_alloc.cold.116+0xb7/0x1bd [ 332.887724] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.892577] ? lock_downgrade+0x900/0x900 [ 332.896734] ? trace_hardirqs_off+0xb8/0x310 [ 332.901151] ? trace_hardirqs_off+0xb8/0x310 [ 332.905566] __alloc_pages_slowpath+0x26e8/0x2e10 [ 332.910434] ? warn_alloc+0x120/0x120 [ 332.914251] ? warn_alloc+0x120/0x120 [ 332.918055] ? __lock_acquire+0x62f/0x4c20 [ 332.922288] ? warn_alloc+0x120/0x120 [ 332.926109] ? print_usage_bug+0xc0/0xc0 [ 332.930177] ? print_usage_bug+0xc0/0xc0 [ 332.934257] ? mark_held_locks+0x130/0x130 [ 332.938511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.944045] ? should_fail+0x22d/0xd01 [ 332.947940] ? zap_class+0x640/0x640 [ 332.951655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.956800] ? __lock_acquire+0x62f/0x4c20 [ 332.961029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.966146] ? should_fail+0x22d/0xd01 [ 332.970046] ? mark_held_locks+0x130/0x130 [ 332.974298] ? mark_held_locks+0x130/0x130 [ 332.978530] ? lock_downgrade+0x900/0x900 [ 332.982678] ? zap_class+0x640/0x640 [ 332.986393] ? zap_class+0x640/0x640 [ 332.990107] ? zap_class+0x640/0x640 [ 332.993816] ? do_raw_spin_unlock+0xa7/0x330 [ 332.998239] ? trace_hardirqs_on+0x310/0x310 [ 333.002647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.008182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.013723] ? check_preemption_disabled+0x48/0x280 [ 333.018768] ? __lock_is_held+0xb5/0x140 [ 333.022846] __alloc_pages_nodemask+0xa80/0xde0 [ 333.027517] ? zap_class+0x640/0x640 [ 333.031234] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 333.036263] ? find_held_lock+0x36/0x1c0 [ 333.040332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.045001] ? lock_downgrade+0x900/0x900 [ 333.049196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.054740] cache_grow_begin+0xa5/0x8c0 [ 333.058796] ? do_raw_spin_unlock+0xa7/0x330 [ 333.063212] fallback_alloc+0x204/0x2e0 [ 333.067195] ____cache_alloc_node+0x1c7/0x1e0 [ 333.071695] kmem_cache_alloc_node+0xe3/0x730 [ 333.076193] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.080796] __alloc_skb+0x119/0x770 [ 333.084525] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.089896] ? netdev_alloc_frag+0x1f0/0x1f0 [ 333.094311] ? vprintk_default+0x28/0x30 [ 333.098370] ? vprintk_func+0x85/0x181 [ 333.102254] ? printk+0xa7/0xcf [ 333.105529] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.110293] new_skb+0x26/0x1c0 [ 333.113571] aoecmd_cfg+0x279/0x7f0 [ 333.117199] ? find_held_lock+0x36/0x1c0 [ 333.121265] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 333.125593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.131141] ? __lock_is_held+0xb5/0x140 [ 333.135215] discover_timer+0x50/0x60 [ 333.139014] call_timer_fn+0x272/0x920 [ 333.142915] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.147755] ? process_timeout+0x40/0x40 [ 333.151843] ? mark_held_locks+0xc7/0x130 [ 333.156004] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.160494] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.165016] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.169897] ? lockdep_hardirqs_on+0x296/0x5b0 [ 333.174492] ? trace_hardirqs_on+0xbd/0x310 [ 333.178811] ? kasan_check_read+0x11/0x20 [ 333.182969] ? __run_timers+0x7da/0xc70 [ 333.186942] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.192075] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.196917] __run_timers+0x7e5/0xc70 [ 333.200729] ? timer_fixup_init+0x70/0x70 [ 333.204879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.209897] ? zap_class+0x640/0x640 [ 333.213618] ? print_usage_bug+0xc0/0xc0 [ 333.217682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.222883] ? find_held_lock+0x36/0x1c0 [ 333.226947] ? zap_class+0x640/0x640 [ 333.230669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.236212] ? check_preemption_disabled+0x48/0x280 [ 333.241235] ? __lock_is_held+0xb5/0x140 [ 333.245299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.250850] ? check_preemption_disabled+0x48/0x280 [ 333.255876] run_timer_softirq+0x52/0xb0 [ 333.259967] ? rcu_read_lock_sched_held+0x14f/0x180 [ 333.264991] __do_softirq+0x308/0xb7e [ 333.268799] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 333.273309] ? lock_downgrade+0x900/0x900 [ 333.277471] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 333.282599] ? pvclock_read_flags+0x160/0x160 [ 333.287101] ? lapic_next_event+0x5a/0x90 [ 333.291251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.296789] ? kvm_clock_read+0x18/0x30 [ 333.300764] ? kvm_sched_clock_read+0x9/0x20 [ 333.305176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.310719] ? check_preemption_disabled+0x48/0x280 [ 333.315744] irq_exit+0x17f/0x1c0 [ 333.319214] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.324059] ? smp_reschedule_interrupt+0x109/0x650 [ 333.329075] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.334954] ? interrupt_entry+0xb5/0xc0 [ 333.339021] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.344030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.349043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.353893] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.358903] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.363912] ? task_prio+0x50/0x50 [ 333.367475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.373012] ? check_preemption_disabled+0x48/0x280 [ 333.378029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.382877] apic_timer_interrupt+0xf/0x20 [ 333.387100] </IRQ> [ 333.389331] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 333.394518] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 333.413411] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 333.421138] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 333.428399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 333.435668] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 333.442932] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 333.450196] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 333.457499] retint_kernel+0x1b/0x2d [ 333.461217] RIP: 0010:dump_stack+0x358/0x39d [ 333.465627] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 333.484866] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 333.492575] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 333.499854] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 333.507122] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 333.514390] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 333.521675] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 333.528981] ? dump_stack+0x34f/0x39d [ 333.532813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.538012] ? mark_held_locks+0x130/0x130 [ 333.542244] ? mark_held_locks+0x130/0x130 [ 333.546486] dump_header+0x27b/0xf72 [ 333.550234] ? pagefault_out_of_memory+0x197/0x197 [ 333.555173] ? __lock_acquire+0x62f/0x4c20 [ 333.559411] ? percpu_ref_get_many+0x240/0x240 [ 333.564003] ? print_usage_bug+0xc0/0xc0 [ 333.568082] ? zap_class+0x640/0x640 [ 333.571796] ? print_usage_bug+0xc0/0xc0 [ 333.575857] ? print_usage_bug+0xc0/0xc0 [ 333.580223] ? zap_class+0x640/0x640 [ 333.583945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.589556] ? find_held_lock+0x36/0x1c0 [ 333.593814] ? mark_held_locks+0xc7/0x130 [ 333.597969] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.603081] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.608184] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.612784] ? trace_hardirqs_on+0xbd/0x310 [ 333.617108] ? kasan_check_read+0x11/0x20 [ 333.621256] ? ___ratelimit+0x3b4/0x672 [ 333.625235] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.630343] ? trace_hardirqs_on+0x310/0x310 [ 333.634752] ? lock_downgrade+0x900/0x900 [ 333.638908] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.644014] ? ___ratelimit+0x3b9/0x672 [ 333.647989] ? idr_get_free+0xf70/0xf70 [ 333.651962] ? find_held_lock+0x36/0x1c0 [ 333.656032] oom_kill_process.cold.27+0x10/0x903 [ 333.660787] ? zap_class+0x640/0x640 [ 333.664535] ? check_preemption_disabled+0x48/0x280 [ 333.669553] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.674482] ? kasan_check_read+0x11/0x20 [ 333.678629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.683906] ? oom_evaluate_task+0x540/0x540 [ 333.688321] ? find_held_lock+0x36/0x1c0 [ 333.692390] ? out_of_memory+0x974/0x1430 [ 333.696539] ? lock_downgrade+0x900/0x900 [ 333.700689] ? check_preemption_disabled+0x48/0x280 [ 333.705730] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.710660] ? kasan_check_read+0x11/0x20 [ 333.714807] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.720082] ? rcu_softirq_qs+0x20/0x20 [ 333.724190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.729730] ? oom_evaluate_task+0x302/0x540 [ 333.734146] out_of_memory+0xa84/0x1430 [ 333.738162] ? oom_killer_disable+0x3a0/0x3a0 [ 333.742666] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 333.747600] ? __ww_mutex_check_waiters+0x160/0x160 [ 333.752627] __alloc_pages_slowpath+0x2354/0x2e10 [ 333.757500] ? warn_alloc+0x120/0x120 [ 333.761299] ? mark_held_locks+0x130/0x130 [ 333.765556] ? find_get_entry+0xaae/0x1120 [ 333.770036] ? filemap_map_pages+0x1a20/0x1a20 [ 333.774629] ? zap_class+0x640/0x640 [ 333.778350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.783922] ? check_preemption_disabled+0x48/0x280 [ 333.788941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.794477] ? should_fail+0x22d/0xd01 [ 333.798363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.803468] ? zap_class+0x640/0x640 [ 333.807211] ? __lock_is_held+0xb5/0x140 [ 333.811285] ? mark_held_locks+0x130/0x130 [ 333.815524] ? lock_release+0xa00/0xa00 [ 333.819502] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.824954] ? xa_load+0x2ba/0x460 [ 333.828496] ? lock_downgrade+0x900/0x900 [ 333.832648] ? __might_sleep+0x95/0x190 [ 333.836632] __alloc_pages_nodemask+0xa80/0xde0 [ 333.841305] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 333.846336] ? __page_cache_alloc+0x191/0x5c0 [ 333.850830] ? xa_load+0x2e1/0x460 [ 333.854369] ? xa_clear_mark+0x40/0x40 [ 333.858258] ? zap_class+0x640/0x640 [ 333.861977] ? zap_class+0x640/0x640 [ 333.865692] ? zap_class+0x640/0x640 [ 333.869406] ? __do_page_cache_readahead+0x663/0x810 [ 333.874515] ? find_held_lock+0x36/0x1c0 [ 333.878589] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 333.884130] alloc_pages_current+0x173/0x350 [ 333.888545] __page_cache_alloc+0x38c/0x5c0 [ 333.892860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.897786] ? kasan_check_read+0x11/0x20 [ 333.901964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.907242] ? generic_perform_write+0x6a0/0x6a0 [ 333.912014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.917582] ? check_preemption_disabled+0x48/0x280 [ 333.922606] filemap_fault+0x1595/0x25f0 [ 333.926700] ? __lock_page_or_retry+0xa00/0xa00 [ 333.931374] ? mark_held_locks+0x130/0x130 [ 333.935623] ? filemap_map_pages+0xd6b/0x1a20 [ 333.940119] ? lock_downgrade+0x900/0x900 [ 333.944264] ? check_preemption_disabled+0x48/0x280 [ 333.949283] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.954242] ? kasan_check_read+0x11/0x20 [ 333.958386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.963663] ? rcu_softirq_qs+0x20/0x20 [ 333.967651] ? filemap_map_pages+0xd92/0x1a20 [ 333.972178] ? print_usage_bug+0xc0/0xc0 [ 333.976239] ? find_get_entries_tag+0x1400/0x1400 [ 333.981094] ? __kasan_slab_free+0x102/0x150 [ 333.985512] ? kasan_slab_free+0xe/0x10 [ 333.989502] ? kmem_cache_free+0x83/0x290 [ 333.993649] ? __sigqueue_free.part.29+0x74/0x90 [ 333.998436] ? lock_acquire+0x1ed/0x520 [ 334.002417] ? ext4_filemap_fault+0x7a/0xad [ 334.006754] ? lock_release+0xa00/0xa00 [ 334.010731] ? perf_trace_sched_process_exec+0x860/0x860 [ 334.016184] ? print_usage_bug+0xc0/0xc0 [ 334.020247] ? print_usage_bug+0xc0/0xc0 [ 334.024335] ? down_read+0x8d/0x120 [ 334.027987] ? ext4_filemap_fault+0x7a/0xad [ 334.032395] ? __down_interruptible+0x700/0x700 [ 334.037075] ext4_filemap_fault+0x82/0xad [ 334.041255] __do_fault+0x100/0x6b0 [ 334.044886] ? pmd_devmap_trans_unstable+0x220/0x220 [ 334.049991] ? mark_held_locks+0x130/0x130 [ 334.054228] ? mark_held_locks+0x130/0x130 [ 334.058478] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 334.064019] ? rcu_pm_notify+0xc0/0xc0 [ 334.067926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.073505] __handle_mm_fault+0x3ea0/0x5be0 [ 334.077923] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 334.082783] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.087278] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 334.091863] ? trace_hardirqs_on+0xbd/0x310 [ 334.096199] ? kasan_check_read+0x11/0x20 [ 334.100342] ? __set_current_blocked+0xdf/0x120 [ 334.105022] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.110153] ? zap_class+0x640/0x640 [ 334.113864] ? zap_class+0x640/0x640 [ 334.117599] ? find_held_lock+0x36/0x1c0 [ 334.121666] ? handle_mm_fault+0x42a/0xc70 [ 334.125901] ? lock_downgrade+0x900/0x900 [ 334.130051] ? check_preemption_disabled+0x48/0x280 [ 334.135069] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.139998] ? kasan_check_read+0x11/0x20 [ 334.144162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.149436] ? rcu_softirq_qs+0x20/0x20 [ 334.153415] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.158544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.164115] ? check_preemption_disabled+0x48/0x280 [ 334.169150] handle_mm_fault+0x54f/0xc70 [ 334.173215] ? __handle_mm_fault+0x5be0/0x5be0 [ 334.177800] ? find_vma+0x34/0x190 [ 334.181349] __do_page_fault+0x5e8/0xe60 [ 334.185412] ? exit_to_usermode_loop+0x1f4/0x380 [ 334.190182] do_page_fault+0xf2/0x7e0 [ 334.193982] ? vmalloc_sync_all+0x30/0x30 [ 334.198132] ? error_entry+0x70/0xd0 [ 334.201845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 334.206857] ? trace_hardirqs_on_caller+0xc0/0x310 [ 334.211782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.216716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.221559] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.226573] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.232023] ? prepare_exit_to_usermode+0x291/0x3b0 [ 334.237055] ? page_fault+0x8/0x30 [ 334.240612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.245461] ? page_fault+0x8/0x30 [ 334.249000] page_fault+0x1e/0x30 [ 334.252455] RIP: 0033:0x45db60 [ 334.255661] Code: Bad RIP value. [ 334.259016] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 334.264370] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 334.271635] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 334.278899] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 334.286161] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 334.293426] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 334.300722] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 334.300727] warn_alloc_show_mem: 1 callbacks suppressed [ 334.300734] Mem-Info: [ 334.308008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.313373] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 334.313373] active_file:10 inactive_file:13 isolated_file:0 [ 334.313373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.313373] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 334.313373] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 334.313373] free:13762 free_pcp:404 free_cma:0 [ 334.315749] Call Trace: [ 334.325129] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.357882] <IRQ> [ 334.360452] 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 [ 334.387767] dump_stack+0x244/0x39d [ 334.389888] lowmem_reserve[]: 0 2818 6321 6321 [ 334.416000] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.419623] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.424225] warn_alloc.cold.116+0xb7/0x1bd [ 334.429371] lowmem_reserve[]: 0 0 3503 3503 [ 334.456891] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.461188] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 334.465548] ? lock_downgrade+0x900/0x900 [ 334.470358] lowmem_reserve[]: 0 0 0 0 [ 334.499353] ? trace_hardirqs_off+0xb8/0x310 [ 334.503471] 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 [ 334.507267] ? trace_hardirqs_off+0xb8/0x310 [ 334.511648] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 334.525179] __alloc_pages_slowpath+0x26e8/0x2e10 [ 334.529562] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 334.545023] ? warn_alloc+0x120/0x120 [ 334.549843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.563888] ? warn_alloc+0x120/0x120 [ 334.567667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.576516] ? warn_alloc+0x120/0x120 [ 334.580288] 267 total pagecache pages [ 334.588859] ? print_usage_bug+0xc0/0xc0 [ 334.592853] 0 pages in swap cache [ 334.596641] ? zap_class+0x640/0x640 [ 334.600681] Swap cache stats: add 0, delete 0, find 0/0 [ 334.604141] ? kvm_sched_clock_read+0x9/0x20 [ 334.607837] Free swap = 0kB [ 334.607860] Total swap = 0kB [ 334.613481] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 334.617857] 1965979 pages RAM [ 334.620877] ? print_usage_bug+0xc0/0xc0 [ 334.623864] 0 pages HighMem/MovableOnly [ 334.628892] ? __lock_is_held+0xb5/0x140 [ 334.631963] 342853 pages reserved [ 334.631970] 0 pages cma reserved [ 334.636022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.640048] aoe: skb alloc failure [ 334.644052] ? should_fail+0x22d/0xd01 [ 334.647557] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.650851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.656359] syz-fuzzer cpuset=/ mems_allowed=0 [ 334.659922] ? __lock_acquire+0x62f/0x4c20 [ 334.688370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.693489] ? __lock_acquire+0x62f/0x4c20 [ 334.697747] ? should_fail+0x22d/0xd01 [ 334.701649] ? mark_held_locks+0x130/0x130 [ 334.705888] ? mark_held_locks+0x130/0x130 [ 334.710126] ? try_to_wake_up+0x11c/0x1490 [ 334.714367] ? lock_downgrade+0x900/0x900 [ 334.718537] ? zap_class+0x640/0x640 [ 334.722255] ? print_usage_bug+0xc0/0xc0 [ 334.726319] ? trace_hardirqs_off+0xb8/0x310 [ 334.730730] ? kasan_check_read+0x11/0x20 [ 334.734889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.740429] ? check_preemption_disabled+0x48/0x280 [ 334.745491] ? __lock_is_held+0xb5/0x140 [ 334.749560] __alloc_pages_nodemask+0xa80/0xde0 [ 334.754237] ? zap_class+0x640/0x640 [ 334.757970] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 334.763000] ? find_held_lock+0x36/0x1c0 [ 334.767099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 334.771794] ? lock_downgrade+0x900/0x900 [ 334.775948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.781504] cache_grow_begin+0xa5/0x8c0 [ 334.785565] ? do_raw_spin_unlock+0xa7/0x330 [ 334.789985] fallback_alloc+0x204/0x2e0 [ 334.793981] ____cache_alloc_node+0x1c7/0x1e0 [ 334.798485] kmem_cache_alloc_node+0xe3/0x730 [ 334.802987] ? ipv6_get_ifaddr+0x42e/0x620 [ 334.807238] __alloc_skb+0x119/0x770 [ 334.810956] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.816251] ? netdev_alloc_frag+0x1f0/0x1f0 [ 334.820667] ? lock_downgrade+0x900/0x900 [ 334.824829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.830373] ? refcount_sub_and_test_checked+0x203/0x310 [ 334.835852] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 334.841309] ? addrconf_rs_timer+0x690/0x690 [ 334.845736] ndisc_alloc_skb+0x144/0x340 [ 334.849806] ndisc_send_rs+0x331/0x6e0 [ 334.853703] addrconf_rs_timer+0x314/0x690 [ 334.857970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.862224] call_timer_fn+0x272/0x920 [ 334.866120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.870356] ? process_timeout+0x40/0x40 [ 334.874425] ? __run_timers+0x7da/0xc70 [ 334.878414] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.882918] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.887418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.891663] ? lockdep_hardirqs_on+0x296/0x5b0 [ 334.896251] ? trace_hardirqs_on+0xbd/0x310 [ 334.900571] ? kasan_check_read+0x11/0x20 [ 334.904736] ? __run_timers+0x7da/0xc70 [ 334.908745] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.913869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.918106] __run_timers+0x7e5/0xc70 [ 334.921916] ? timer_fixup_init+0x70/0x70 [ 334.926085] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 334.931119] ? zap_class+0x640/0x640 [ 334.934837] ? enqueue_hrtimer+0x1a5/0x560 [ 334.939073] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 334.944287] ? find_held_lock+0x36/0x1c0 [ 334.948353] ? zap_class+0x640/0x640 [ 334.952070] ? pvclock_read_flags+0x160/0x160 [ 334.956569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.962110] ? check_preemption_disabled+0x48/0x280 [ 334.967170] ? __lock_is_held+0xb5/0x140 [ 334.971238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.976786] ? check_preemption_disabled+0x48/0x280 [ 334.981837] run_timer_softirq+0x52/0xb0 [ 334.985901] ? rcu_read_lock_sched_held+0x14f/0x180 [ 334.990920] __do_softirq+0x308/0xb7e [ 334.994735] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 334.999235] ? lock_downgrade+0x900/0x900 [ 335.003390] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.008506] ? pvclock_read_flags+0x160/0x160 [ 335.013004] ? lapic_next_event+0x5a/0x90 [ 335.017154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.022700] ? kvm_clock_read+0x18/0x30 [ 335.026689] ? kvm_sched_clock_read+0x9/0x20 [ 335.031133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.036678] ? check_preemption_disabled+0x48/0x280 [ 335.041709] irq_exit+0x17f/0x1c0 [ 335.045169] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.050011] ? smp_reschedule_interrupt+0x109/0x650 [ 335.055060] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.060959] ? interrupt_entry+0xb5/0xc0 [ 335.065034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.070076] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.075092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.079935] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.084949] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.089981] ? task_prio+0x50/0x50 [ 335.093525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.099067] ? check_preemption_disabled+0x48/0x280 [ 335.104092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.108950] apic_timer_interrupt+0xf/0x20 [ 335.113184] </IRQ> [ 335.115467] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 335.120408] 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 ac [ 335.139321] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 335.147031] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 335.154302] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 335.161578] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 335.168854] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 335.176140] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 335.183470] skb_clone+0x1bb/0x500 [ 335.187015] ? finish_task_switch+0x1b4/0x910 [ 335.191514] ? skb_split+0x11e0/0x11e0 [ 335.195408] ? preempt_notifier_register+0x200/0x200 [ 335.200523] ? __switch_to_asm+0x34/0x70 [ 335.204588] ? __switch_to_asm+0x34/0x70 [ 335.208661] ? __switch_to_asm+0x40/0x70 [ 335.212719] ? __switch_to_asm+0x34/0x70 [ 335.216776] ? __switch_to_asm+0x40/0x70 [ 335.220855] ? __switch_to_asm+0x34/0x70 [ 335.224919] ? __switch_to_asm+0x40/0x70 [ 335.228978] ? __switch_to_asm+0x34/0x70 [ 335.233040] ? __switch_to_asm+0x34/0x70 [ 335.237100] ? __switch_to_asm+0x40/0x70 [ 335.241157] ? __switch_to_asm+0x34/0x70 [ 335.245229] bpf_clone_redirect+0xb9/0x490 [ 335.249481] ? __schedule+0x8d7/0x21d0 [ 335.253380] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 335.258406] ? __sched_text_start+0x8/0x8 [ 335.262564] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.267336] ? find_held_lock+0x36/0x1c0 [ 335.271405] ? lock_acquire+0x1ed/0x520 [ 335.275404] ? bpf_test_run+0x3cb/0x780 [ 335.279386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.284925] ? check_preemption_disabled+0x48/0x280 [ 335.289954] ? kasan_check_read+0x11/0x20 [ 335.294102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.299385] ? rcu_softirq_qs+0x20/0x20 [ 335.303377] ? preempt_schedule+0x4d/0x60 [ 335.307530] ? ___preempt_schedule+0x16/0x18 [ 335.311949] ? bpf_test_run+0x25d/0x780 [ 335.315964] ? netlink_diag_dump+0x2a0/0x2a0 [ 335.320380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.325935] ? bpf_test_init.isra.10+0x70/0x100 [ 335.330644] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 335.335418] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 335.340284] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.345821] ? fput+0x130/0x1a0 [ 335.349151] ? __bpf_prog_get+0x9b/0x290 [ 335.353224] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 335.358065] ? bpf_prog_test_run+0x130/0x1a0 [ 335.362528] ? __x64_sys_bpf+0x3d8/0x520 [ 335.366593] ? bpf_prog_get+0x20/0x20 [ 335.370411] ? do_syscall_64+0x1b9/0x820 [ 335.374478] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 335.379874] ? syscall_return_slowpath+0x5e0/0x5e0 [ 335.384807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.389657] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.394675] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 335.399696] ? prepare_exit_to_usermode+0x291/0x3b0 [ 335.404744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.409597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.415037] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 335.415136] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 335.421959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.421964] Call Trace: [ 335.421971] <IRQ> [ 335.421993] dump_stack+0x244/0x39d [ 335.422010] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.428589] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.437846] warn_alloc.cold.116+0xb7/0x1bd [ 335.440401] syz-executor2 cpuset=syz2 mems_allowed=0 [ 335.442545] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.476055] ? lock_downgrade+0x900/0x900 [ 335.480218] ? trace_hardirqs_off+0xb8/0x310 [ 335.484636] ? trace_hardirqs_off+0xb8/0x310 [ 335.489054] __alloc_pages_slowpath+0x26e8/0x2e10 [ 335.493936] ? warn_alloc+0x120/0x120 [ 335.497755] ? warn_alloc+0x120/0x120 [ 335.501564] ? warn_alloc+0x120/0x120 [ 335.505385] ? print_usage_bug+0xc0/0xc0 [ 335.509453] ? print_usage_bug+0xc0/0xc0 [ 335.513510] ? ktime_get+0x2c1/0x400 [ 335.517225] ? check_preemption_disabled+0x48/0x280 [ 335.522233] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.526748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.532281] ? should_fail+0x22d/0xd01 [ 335.536203] ? kasan_check_read+0x11/0x20 [ 335.540358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.545473] ? __lock_acquire+0x62f/0x4c20 [ 335.549723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.554828] ? should_fail+0x22d/0xd01 [ 335.558722] ? print_usage_bug+0xc0/0xc0 [ 335.562792] ? mark_held_locks+0x130/0x130 [ 335.567045] ? mark_held_locks+0x130/0x130 [ 335.571298] ? check_preemption_disabled+0x48/0x280 [ 335.576323] ? zap_class+0x640/0x640 [ 335.580045] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.584822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.590499] ? check_preemption_disabled+0x48/0x280 [ 335.595533] ? __lock_is_held+0xb5/0x140 [ 335.599604] __alloc_pages_nodemask+0xa80/0xde0 [ 335.604276] ? zap_class+0x640/0x640 [ 335.608000] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 335.613037] ? find_held_lock+0x36/0x1c0 [ 335.617114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.621789] ? lock_downgrade+0x900/0x900 [ 335.625964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.631536] cache_grow_begin+0xa5/0x8c0 [ 335.635601] ? do_raw_spin_unlock+0xa7/0x330 [ 335.640019] fallback_alloc+0x204/0x2e0 [ 335.644006] ____cache_alloc_node+0x1c7/0x1e0 [ 335.648508] kmem_cache_alloc_node+0xe3/0x730 [ 335.653009] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.657600] __alloc_skb+0x119/0x770 [ 335.661314] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.666689] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.671131] ? vprintk_default+0x28/0x30 [ 335.675191] ? vprintk_func+0x85/0x181 [ 335.679081] ? printk+0xa7/0xcf [ 335.682364] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 335.687161] new_skb+0x26/0x1c0 [ 335.690450] aoecmd_cfg+0x279/0x7f0 [ 335.694126] ? find_held_lock+0x36/0x1c0 [ 335.698194] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 335.702531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.708088] ? __lock_is_held+0xb5/0x140 [ 335.712166] discover_timer+0x50/0x60 [ 335.715973] call_timer_fn+0x272/0x920 [ 335.719867] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.725028] ? process_timeout+0x40/0x40 [ 335.729106] ? mark_held_locks+0xc7/0x130 [ 335.733277] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.737792] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.742308] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.747172] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.751760] ? trace_hardirqs_on+0xbd/0x310 [ 335.756086] ? kasan_check_read+0x11/0x20 [ 335.760236] ? __run_timers+0x7da/0xc70 [ 335.764214] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.769336] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.774182] __run_timers+0x7e5/0xc70 [ 335.777999] ? timer_fixup_init+0x70/0x70 [ 335.782166] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 335.787203] ? zap_class+0x640/0x640 [ 335.790938] ? print_usage_bug+0xc0/0xc0 [ 335.795003] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 335.800223] ? find_held_lock+0x36/0x1c0 [ 335.804290] ? zap_class+0x640/0x640 [ 335.808017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.813597] ? check_preemption_disabled+0x48/0x280 [ 335.818644] ? __lock_is_held+0xb5/0x140 [ 335.822721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.828266] ? check_preemption_disabled+0x48/0x280 [ 335.833296] run_timer_softirq+0x52/0xb0 [ 335.837359] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.842401] __do_softirq+0x308/0xb7e [ 335.846212] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 335.850716] ? lock_downgrade+0x900/0x900 [ 335.854880] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.859999] ? pvclock_read_flags+0x160/0x160 [ 335.864507] ? lapic_next_event+0x5a/0x90 [ 335.868664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.874214] ? kvm_clock_read+0x18/0x30 [ 335.878192] ? kvm_sched_clock_read+0x9/0x20 [ 335.882606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.888167] ? check_preemption_disabled+0x48/0x280 [ 335.893241] irq_exit+0x17f/0x1c0 [ 335.896706] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.901560] ? smp_reschedule_interrupt+0x109/0x650 [ 335.906599] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.912487] ? interrupt_entry+0xb5/0xc0 [ 335.916552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.921571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.926597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.931452] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.936475] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.941516] ? task_prio+0x50/0x50 [ 335.945101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.950668] ? check_preemption_disabled+0x48/0x280 [ 335.955741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.960594] apic_timer_interrupt+0xf/0x20 [ 335.964820] </IRQ> [ 335.967058] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 335.972251] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 335.991183] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 335.999015] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 336.006300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 336.013594] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 336.020897] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 336.028215] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 336.035532] retint_kernel+0x1b/0x2d [ 336.039249] RIP: 0010:dump_stack+0x358/0x39d [ 336.043663] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 336.062585] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 336.070308] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 336.077596] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 336.084865] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 336.092140] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 336.099420] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 336.106730] ? dump_stack+0x34f/0x39d [ 336.110556] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.115773] ? mark_held_locks+0x130/0x130 [ 336.120013] ? mark_held_locks+0x130/0x130 [ 336.124260] dump_header+0x27b/0xf72 [ 336.127991] ? pagefault_out_of_memory+0x197/0x197 [ 336.132930] ? __lock_acquire+0x62f/0x4c20 [ 336.137168] ? percpu_ref_get_many+0x240/0x240 [ 336.141756] ? print_usage_bug+0xc0/0xc0 [ 336.145820] ? zap_class+0x640/0x640 [ 336.149537] ? print_usage_bug+0xc0/0xc0 [ 336.153595] ? print_usage_bug+0xc0/0xc0 [ 336.157665] ? zap_class+0x640/0x640 [ 336.161384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.166942] ? find_held_lock+0x36/0x1c0 [ 336.171011] ? mark_held_locks+0xc7/0x130 [ 336.175158] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.180256] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.185368] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.189951] ? trace_hardirqs_on+0xbd/0x310 [ 336.194280] ? kasan_check_read+0x11/0x20 [ 336.198429] ? ___ratelimit+0x3b4/0x672 [ 336.202418] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.207537] ? trace_hardirqs_on+0x310/0x310 [ 336.211947] ? lock_downgrade+0x900/0x900 [ 336.216105] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 336.221216] ? ___ratelimit+0x3b9/0x672 [ 336.225197] ? idr_get_free+0xf70/0xf70 [ 336.229185] ? find_held_lock+0x36/0x1c0 [ 336.233260] oom_kill_process.cold.27+0x10/0x903 [ 336.238017] ? zap_class+0x640/0x640 [ 336.241738] ? check_preemption_disabled+0x48/0x280 [ 336.246778] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.251718] ? kasan_check_read+0x11/0x20 [ 336.255869] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.261165] ? oom_evaluate_task+0x540/0x540 [ 336.265580] ? find_held_lock+0x36/0x1c0 [ 336.269672] ? out_of_memory+0x974/0x1430 [ 336.273846] ? lock_downgrade+0x900/0x900 [ 336.278014] ? check_preemption_disabled+0x48/0x280 [ 336.283036] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.287969] ? kasan_check_read+0x11/0x20 [ 336.292132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.297411] ? rcu_softirq_qs+0x20/0x20 [ 336.301401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.306945] ? oom_evaluate_task+0x302/0x540 [ 336.311361] out_of_memory+0xa84/0x1430 [ 336.315347] ? oom_killer_disable+0x3a0/0x3a0 [ 336.319862] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 336.324800] ? __ww_mutex_check_waiters+0x160/0x160 [ 336.329862] __alloc_pages_slowpath+0x2354/0x2e10 [ 336.334770] ? warn_alloc+0x120/0x120 [ 336.338575] ? mark_held_locks+0x130/0x130 [ 336.342816] ? find_get_entry+0xaae/0x1120 [ 336.347088] ? filemap_map_pages+0x1a20/0x1a20 [ 336.351718] ? zap_class+0x640/0x640 [ 336.355435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.360985] ? check_preemption_disabled+0x48/0x280 [ 336.366002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.371537] ? should_fail+0x22d/0xd01 [ 336.375428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.380540] ? zap_class+0x640/0x640 [ 336.384277] ? __lock_is_held+0xb5/0x140 [ 336.388343] ? mark_held_locks+0x130/0x130 [ 336.392598] ? lock_release+0xa00/0xa00 [ 336.396572] ? perf_trace_sched_process_exec+0x860/0x860 [ 336.402026] ? xa_load+0x2ba/0x460 [ 336.405611] ? lock_downgrade+0x900/0x900 [ 336.409795] ? __might_sleep+0x95/0x190 [ 336.413794] __alloc_pages_nodemask+0xa80/0xde0 [ 336.418477] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 336.423493] ? __page_cache_alloc+0x191/0x5c0 [ 336.427984] ? xa_load+0x2e1/0x460 [ 336.431521] ? xa_clear_mark+0x40/0x40 [ 336.435407] ? zap_class+0x640/0x640 [ 336.439124] ? zap_class+0x640/0x640 [ 336.442838] ? zap_class+0x640/0x640 [ 336.446602] ? __do_page_cache_readahead+0x663/0x810 [ 336.451727] ? find_held_lock+0x36/0x1c0 [ 336.455795] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 336.461354] alloc_pages_current+0x173/0x350 [ 336.465770] __page_cache_alloc+0x38c/0x5c0 [ 336.470085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.475009] ? kasan_check_read+0x11/0x20 [ 336.479175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.484463] ? generic_perform_write+0x6a0/0x6a0 [ 336.489227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.494767] ? check_preemption_disabled+0x48/0x280 [ 336.499796] filemap_fault+0x1595/0x25f0 [ 336.503870] ? __lock_page_or_retry+0xa00/0xa00 [ 336.508545] ? mark_held_locks+0x130/0x130 [ 336.512826] ? filemap_map_pages+0xd6b/0x1a20 [ 336.517354] ? lock_downgrade+0x900/0x900 [ 336.521515] ? check_preemption_disabled+0x48/0x280 [ 336.526537] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.531474] ? kasan_check_read+0x11/0x20 [ 336.535628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.540903] ? rcu_softirq_qs+0x20/0x20 [ 336.544890] ? filemap_map_pages+0xd92/0x1a20 [ 336.549394] ? print_usage_bug+0xc0/0xc0 [ 336.553484] ? find_get_entries_tag+0x1400/0x1400 [ 336.558345] ? __kasan_slab_free+0x102/0x150 [ 336.562759] ? kasan_slab_free+0xe/0x10 [ 336.566738] ? kmem_cache_free+0x83/0x290 [ 336.570903] ? __sigqueue_free.part.29+0x74/0x90 [ 336.575695] ? lock_acquire+0x1ed/0x520 [ 336.579690] ? ext4_filemap_fault+0x7a/0xad [ 336.584025] ? lock_release+0xa00/0xa00 [ 336.587998] ? perf_trace_sched_process_exec+0x860/0x860 [ 336.593625] ? print_usage_bug+0xc0/0xc0 [ 336.597685] ? print_usage_bug+0xc0/0xc0 [ 336.601761] ? down_read+0x8d/0x120 [ 336.605383] ? ext4_filemap_fault+0x7a/0xad [ 336.609708] ? __down_interruptible+0x700/0x700 [ 336.614388] ext4_filemap_fault+0x82/0xad [ 336.618541] __do_fault+0x100/0x6b0 [ 336.622168] ? pmd_devmap_trans_unstable+0x220/0x220 [ 336.627275] ? mark_held_locks+0x130/0x130 [ 336.631513] ? mark_held_locks+0x130/0x130 [ 336.635784] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 336.641347] ? rcu_pm_notify+0xc0/0xc0 [ 336.645246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.650791] __handle_mm_fault+0x3ea0/0x5be0 [ 336.655213] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 336.660074] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.664580] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 336.669169] ? trace_hardirqs_on+0xbd/0x310 [ 336.673491] ? kasan_check_read+0x11/0x20 [ 336.677640] ? __set_current_blocked+0xdf/0x120 [ 336.682312] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.687429] ? zap_class+0x640/0x640 [ 336.691166] ? zap_class+0x640/0x640 [ 336.694898] ? find_held_lock+0x36/0x1c0 [ 336.698971] ? handle_mm_fault+0x42a/0xc70 [ 336.703225] ? lock_downgrade+0x900/0x900 [ 336.707482] ? check_preemption_disabled+0x48/0x280 [ 336.712561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 336.717490] ? kasan_check_read+0x11/0x20 [ 336.721633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.726909] ? rcu_softirq_qs+0x20/0x20 [ 336.730883] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.735991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.741530] ? check_preemption_disabled+0x48/0x280 [ 336.746553] handle_mm_fault+0x54f/0xc70 [ 336.750616] ? __handle_mm_fault+0x5be0/0x5be0 [ 336.755218] ? find_vma+0x34/0x190 [ 336.758760] __do_page_fault+0x5e8/0xe60 [ 336.762824] ? exit_to_usermode_loop+0x1f4/0x380 [ 336.767587] do_page_fault+0xf2/0x7e0 [ 336.771391] ? vmalloc_sync_all+0x30/0x30 [ 336.775538] ? error_entry+0x70/0xd0 [ 336.779252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.784271] ? trace_hardirqs_on_caller+0xc0/0x310 [ 336.789203] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.794133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.798977] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.803992] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.809452] ? prepare_exit_to_usermode+0x291/0x3b0 [ 336.814472] ? page_fault+0x8/0x30 [ 336.818029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.822876] ? page_fault+0x8/0x30 [ 336.826416] page_fault+0x1e/0x30 [ 336.829872] RIP: 0033:0x45db60 [ 336.833073] Code: Bad RIP value. [ 336.836431] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 336.841797] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 336.849060] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 336.856334] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 336.863618] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 336.870892] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 336.878204] warn_alloc_show_mem: 1 callbacks suppressed [ 336.878220] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 336.878222] Mem-Info: [ 336.878251] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 336.878251] active_file:10 inactive_file:13 isolated_file:0 [ 336.878251] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.878251] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 336.878251] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 336.878251] free:13762 free_pcp:404 free_cma:0 [ 336.883595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.890874] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.893272] Call Trace: [ 336.926235] 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 [ 336.935594] <IRQ> [ 336.962912] lowmem_reserve[]: 0 2818 6321 6321 [ 336.965531] dump_stack+0x244/0x39d [ 336.991640] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 336.993840] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.998381] lowmem_reserve[]: 0 0 3503 3503 [ 337.002055] warn_alloc.cold.116+0xb7/0x1bd [ 337.029530] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 337.034721] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.039013] lowmem_reserve[]: 0 0 0 0 [ 337.043334] ? lock_downgrade+0x900/0x900 [ 337.072279] 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 [ 337.077123] ? trace_hardirqs_off+0xb8/0x310 [ 337.080908] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 337.085054] ? trace_hardirqs_off+0xb8/0x310 [ 337.098564] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 337.102972] __alloc_pages_slowpath+0x26e8/0x2e10 [ 337.118382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 337.122800] ? warn_alloc+0x120/0x120 [ 337.136804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 337.141632] ? print_usage_bug+0xc0/0xc0 [ 337.150449] 267 total pagecache pages [ 337.154259] ? warn_alloc+0x120/0x120 [ 337.162818] 0 pages in swap cache [ 337.166863] ? warn_alloc+0x120/0x120 [ 337.170640] Swap cache stats: add 0, delete 0, find 0/0 [ 337.174427] ? print_usage_bug+0xc0/0xc0 [ 337.177862] Free swap = 0kB [ 337.181657] ? kvm_clock_read+0x18/0x30 [ 337.186996] Total swap = 0kB [ 337.191054] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 337.194048] 1965979 pages RAM [ 337.198012] ? print_usage_bug+0xc0/0xc0 [ 337.201004] 0 pages HighMem/MovableOnly [ 337.206011] ? __lock_acquire+0x62f/0x4c20 [ 337.209093] 342853 pages reserved [ 337.213145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.217095] 0 pages cma reserved [ 337.221327] ? should_fail+0x22d/0xd01 [ 337.224823] aoe: skb alloc failure [ 337.230289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.230307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.230321] ? __lock_acquire+0x62f/0x4c20 [ 337.230340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.233726] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.237567] ? __lock_acquire+0x62f/0x4c20 [ 337.241083] syz-fuzzer cpuset=/ mems_allowed=0 [ 337.246350] ? should_fail+0x22d/0xd01 [ 337.246366] ? rcu_irq_exit+0x1a2/0x390 [ 337.287638] ? mark_held_locks+0x130/0x130 [ 337.291880] ? mark_held_locks+0x130/0x130 [ 337.296127] ? mark_held_locks+0xc7/0x130 [ 337.300279] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 337.305303] ? zap_class+0x640/0x640 [ 337.309019] ? print_usage_bug+0xc0/0xc0 [ 337.313105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.318658] ? check_preemption_disabled+0x48/0x280 [ 337.323696] ? __lock_is_held+0xb5/0x140 [ 337.327772] __alloc_pages_nodemask+0xa80/0xde0 [ 337.332454] ? zap_class+0x640/0x640 [ 337.336194] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 337.341266] ? find_held_lock+0x36/0x1c0 [ 337.345348] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.350026] ? lock_downgrade+0x900/0x900 [ 337.354235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.359783] cache_grow_begin+0xa5/0x8c0 [ 337.363857] ? do_raw_spin_unlock+0xa7/0x330 [ 337.368279] fallback_alloc+0x204/0x2e0 [ 337.372269] ____cache_alloc_node+0x1c7/0x1e0 [ 337.376777] kmem_cache_alloc_node+0xe3/0x730 [ 337.381283] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.385536] __alloc_skb+0x119/0x770 [ 337.389257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.394548] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.398964] ? lock_downgrade+0x900/0x900 [ 337.403132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.408680] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.414143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.419605] ? addrconf_rs_timer+0x690/0x690 [ 337.424034] ndisc_alloc_skb+0x144/0x340 [ 337.428111] ndisc_send_rs+0x331/0x6e0 [ 337.432013] addrconf_rs_timer+0x314/0x690 [ 337.436280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.440537] call_timer_fn+0x272/0x920 [ 337.444433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.448695] ? process_timeout+0x40/0x40 [ 337.452776] ? __run_timers+0x7da/0xc70 [ 337.456765] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.461269] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.465788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.470033] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.474628] ? trace_hardirqs_on+0xbd/0x310 [ 337.478960] ? kasan_check_read+0x11/0x20 [ 337.483133] ? __run_timers+0x7da/0xc70 [ 337.487118] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.492242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.496508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.500756] __run_timers+0x7e5/0xc70 [ 337.504581] ? timer_fixup_init+0x70/0x70 [ 337.508740] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 337.513774] ? zap_class+0x640/0x640 [ 337.517503] ? enqueue_hrtimer+0x1a5/0x560 [ 337.521751] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 337.526961] ? find_held_lock+0x36/0x1c0 [ 337.531036] ? zap_class+0x640/0x640 [ 337.534762] ? pvclock_read_flags+0x160/0x160 [ 337.539273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.544822] ? check_preemption_disabled+0x48/0x280 [ 337.549861] ? __lock_is_held+0xb5/0x140 [ 337.553935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.559492] ? check_preemption_disabled+0x48/0x280 [ 337.564527] run_timer_softirq+0x52/0xb0 [ 337.568687] ? rcu_read_lock_sched_held+0x14f/0x180 [ 337.573711] __do_softirq+0x308/0xb7e [ 337.577529] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 337.582034] ? lock_downgrade+0x900/0x900 [ 337.586230] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 337.591504] ? pvclock_read_flags+0x160/0x160 [ 337.596015] ? lapic_next_event+0x5a/0x90 [ 337.600180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.605738] ? kvm_clock_read+0x18/0x30 [ 337.609735] ? kvm_sched_clock_read+0x9/0x20 [ 337.614167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.619715] ? check_preemption_disabled+0x48/0x280 [ 337.624754] irq_exit+0x17f/0x1c0 [ 337.628222] smp_apic_timer_interrupt+0x1cb/0x760 [ 337.633115] ? smp_reschedule_interrupt+0x109/0x650 [ 337.638144] ? smp_call_function_single_interrupt+0x650/0x650 [ 337.644062] ? interrupt_entry+0xb5/0xc0 [ 337.648157] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.653184] ? trace_hardirqs_off_caller+0xbb/0x310 [ 337.658223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.663118] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.668143] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.673168] ? task_prio+0x50/0x50 [ 337.676721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.682266] ? check_preemption_disabled+0x48/0x280 [ 337.687298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.692162] apic_timer_interrupt+0xf/0x20 [ 337.696398] </IRQ> [ 337.698646] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 337.703585] 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 ac [ 337.722987] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 337.730701] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.737990] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 337.745261] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 337.752533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 337.759822] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 337.767140] skb_clone+0x1bb/0x500 [ 337.770695] ? finish_task_switch+0x1b4/0x910 [ 337.775205] ? skb_split+0x11e0/0x11e0 [ 337.779111] ? preempt_notifier_register+0x200/0x200 [ 337.784224] ? __switch_to_asm+0x34/0x70 [ 337.788297] ? __switch_to_asm+0x34/0x70 [ 337.792366] ? __switch_to_asm+0x40/0x70 [ 337.796432] ? __switch_to_asm+0x34/0x70 [ 337.800515] ? __switch_to_asm+0x40/0x70 [ 337.804581] ? __switch_to_asm+0x34/0x70 [ 337.808646] ? __switch_to_asm+0x40/0x70 [ 337.812713] ? __switch_to_asm+0x34/0x70 [ 337.816798] ? __switch_to_asm+0x34/0x70 [ 337.820862] ? __switch_to_asm+0x40/0x70 [ 337.824926] ? __switch_to_asm+0x34/0x70 [ 337.829000] bpf_clone_redirect+0xb9/0x490 [ 337.833251] ? __schedule+0x8d7/0x21d0 [ 337.837169] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 337.842199] ? __sched_text_start+0x8/0x8 [ 337.846357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.851155] ? find_held_lock+0x36/0x1c0 [ 337.855240] ? lock_acquire+0x1ed/0x520 [ 337.859228] ? bpf_test_run+0x3cb/0x780 [ 337.863210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.868763] ? check_preemption_disabled+0x48/0x280 [ 337.873804] ? kasan_check_read+0x11/0x20 [ 337.877954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.883244] ? rcu_softirq_qs+0x20/0x20 [ 337.887244] ? preempt_schedule+0x4d/0x60 [ 337.891401] ? ___preempt_schedule+0x16/0x18 [ 337.895826] ? bpf_test_run+0x25d/0x780 [ 337.899821] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.904242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.909793] ? bpf_test_init.isra.10+0x70/0x100 [ 337.914494] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 337.919272] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.924119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.929667] ? fput+0x130/0x1a0 [ 337.932961] ? __bpf_prog_get+0x9b/0x290 [ 337.937037] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.941889] ? bpf_prog_test_run+0x130/0x1a0 [ 337.946309] ? __x64_sys_bpf+0x3d8/0x520 [ 337.950378] ? bpf_prog_get+0x20/0x20 [ 337.954209] ? do_syscall_64+0x1b9/0x820 [ 337.958287] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.963668] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.968610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.973485] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.978514] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 337.983545] ? prepare_exit_to_usermode+0x291/0x3b0 [ 337.988583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.993465] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.998862] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 337.998933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.005806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.005815] Call Trace: [ 338.012538] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.021663] <IRQ> [ 338.024245] syz-executor2 cpuset=syz2 mems_allowed=0 [ 338.034746] dump_stack+0x244/0x39d [ 338.045624] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.050849] warn_alloc.cold.116+0xb7/0x1bd [ 338.055188] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.060046] ? lock_downgrade+0x900/0x900 [ 338.064216] ? trace_hardirqs_off+0xb8/0x310 [ 338.068646] ? trace_hardirqs_off+0xb8/0x310 [ 338.073074] __alloc_pages_slowpath+0x26e8/0x2e10 [ 338.077960] ? warn_alloc+0x120/0x120 [ 338.081777] ? warn_alloc+0x120/0x120 [ 338.085592] ? __lock_acquire+0x62f/0x4c20 [ 338.089842] ? warn_alloc+0x120/0x120 [ 338.093655] ? print_usage_bug+0xc0/0xc0 [ 338.097737] ? print_usage_bug+0xc0/0xc0 [ 338.101810] ? mark_held_locks+0x130/0x130 [ 338.106061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.111615] ? should_fail+0x22d/0xd01 [ 338.115514] ? zap_class+0x640/0x640 [ 338.119246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.124369] ? __lock_acquire+0x62f/0x4c20 [ 338.128622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.133741] ? should_fail+0x22d/0xd01 [ 338.137653] ? mark_held_locks+0x130/0x130 [ 338.141906] ? mark_held_locks+0x130/0x130 [ 338.146155] ? lock_downgrade+0x900/0x900 [ 338.150317] ? zap_class+0x640/0x640 [ 338.154042] ? zap_class+0x640/0x640 [ 338.157767] ? zap_class+0x640/0x640 [ 338.161496] ? do_raw_spin_unlock+0xa7/0x330 [ 338.165917] ? trace_hardirqs_on+0x310/0x310 [ 338.170338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.175889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.181464] ? check_preemption_disabled+0x48/0x280 [ 338.186507] ? __lock_is_held+0xb5/0x140 [ 338.190592] __alloc_pages_nodemask+0xa80/0xde0 [ 338.195273] ? zap_class+0x640/0x640 [ 338.199002] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 338.204045] ? find_held_lock+0x36/0x1c0 [ 338.208127] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.212813] ? lock_downgrade+0x900/0x900 [ 338.216981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.222534] cache_grow_begin+0xa5/0x8c0 [ 338.226607] ? do_raw_spin_unlock+0xa7/0x330 [ 338.231047] fallback_alloc+0x204/0x2e0 [ 338.235056] ____cache_alloc_node+0x1c7/0x1e0 [ 338.239566] kmem_cache_alloc_node+0xe3/0x730 [ 338.244072] ? lockdep_hardirqs_on+0x296/0x5b0 [ 338.248675] __alloc_skb+0x119/0x770 [ 338.252396] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 338.257776] ? netdev_alloc_frag+0x1f0/0x1f0 [ 338.262201] ? vprintk_default+0x28/0x30 [ 338.266271] ? vprintk_func+0x85/0x181 [ 338.270171] ? printk+0xa7/0xcf [ 338.273475] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 338.278253] new_skb+0x26/0x1c0 [ 338.281542] aoecmd_cfg+0x279/0x7f0 [ 338.285179] ? find_held_lock+0x36/0x1c0 [ 338.289248] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 338.293589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.299146] ? __lock_is_held+0xb5/0x140 [ 338.303229] discover_timer+0x50/0x60 [ 338.307035] call_timer_fn+0x272/0x920 [ 338.310929] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.315791] ? process_timeout+0x40/0x40 [ 338.319870] ? mark_held_locks+0xc7/0x130 [ 338.324029] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.328535] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.333036] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.337885] ? lockdep_hardirqs_on+0x296/0x5b0 [ 338.342507] ? trace_hardirqs_on+0xbd/0x310 [ 338.346839] ? kasan_check_read+0x11/0x20 [ 338.350994] ? __run_timers+0x7da/0xc70 [ 338.354977] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.360105] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.364951] __run_timers+0x7e5/0xc70 [ 338.368772] ? timer_fixup_init+0x70/0x70 [ 338.372934] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.377961] ? zap_class+0x640/0x640 [ 338.381690] ? print_usage_bug+0xc0/0xc0 [ 338.385765] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.390973] ? find_held_lock+0x36/0x1c0 [ 338.395045] ? zap_class+0x640/0x640 [ 338.398774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.404319] ? check_preemption_disabled+0x48/0x280 [ 338.409355] ? __lock_is_held+0xb5/0x140 [ 338.413422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.418985] ? check_preemption_disabled+0x48/0x280 [ 338.424016] run_timer_softirq+0x52/0xb0 [ 338.428085] ? rcu_read_lock_sched_held+0x14f/0x180 [ 338.433110] __do_softirq+0x308/0xb7e [ 338.436921] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 338.441420] ? lock_downgrade+0x900/0x900 [ 338.445601] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 338.450727] ? pvclock_read_flags+0x160/0x160 [ 338.455240] ? lapic_next_event+0x5a/0x90 [ 338.459405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.464975] ? kvm_clock_read+0x18/0x30 [ 338.468959] ? kvm_sched_clock_read+0x9/0x20 [ 338.473382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.478935] ? check_preemption_disabled+0x48/0x280 [ 338.483973] irq_exit+0x17f/0x1c0 [ 338.487457] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.492315] ? smp_reschedule_interrupt+0x109/0x650 [ 338.497349] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.503245] ? interrupt_entry+0xb5/0xc0 [ 338.507322] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.512354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.517384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.522244] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.527270] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.532300] ? task_prio+0x50/0x50 [ 338.535855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.541407] ? check_preemption_disabled+0x48/0x280 [ 338.546475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.551340] apic_timer_interrupt+0xf/0x20 [ 338.555584] </IRQ> [ 338.557838] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 338.563038] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 338.581955] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 338.589685] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 338.596976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 338.604262] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 338.611549] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 338.618827] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 338.626170] retint_kernel+0x1b/0x2d [ 338.629899] RIP: 0010:dump_stack+0x358/0x39d [ 338.634316] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 338.653220] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 338.660938] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 338.668213] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 338.675497] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 338.682770] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 338.690041] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 338.697333] ? dump_stack+0x34f/0x39d [ 338.701154] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.706357] ? mark_held_locks+0x130/0x130 [ 338.710599] ? mark_held_locks+0x130/0x130 [ 338.714850] dump_header+0x27b/0xf72 [ 338.718584] ? pagefault_out_of_memory+0x197/0x197 [ 338.723535] ? __lock_acquire+0x62f/0x4c20 [ 338.727782] ? percpu_ref_get_many+0x240/0x240 [ 338.732377] ? print_usage_bug+0xc0/0xc0 [ 338.736471] ? zap_class+0x640/0x640 [ 338.740199] ? print_usage_bug+0xc0/0xc0 [ 338.744268] ? print_usage_bug+0xc0/0xc0 [ 338.748338] ? zap_class+0x640/0x640 [ 338.752065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.757613] ? find_held_lock+0x36/0x1c0 [ 338.761691] ? mark_held_locks+0xc7/0x130 [ 338.765853] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.770971] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.776086] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 338.780678] ? trace_hardirqs_on+0xbd/0x310 [ 338.785007] ? kasan_check_read+0x11/0x20 [ 338.789165] ? ___ratelimit+0x3b4/0x672 [ 338.793154] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.798271] ? trace_hardirqs_on+0x310/0x310 [ 338.802693] ? lock_downgrade+0x900/0x900 [ 338.806869] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.811990] ? ___ratelimit+0x3b9/0x672 [ 338.815981] ? idr_get_free+0xf70/0xf70 [ 338.819969] ? find_held_lock+0x36/0x1c0 [ 338.824056] oom_kill_process.cold.27+0x10/0x903 [ 338.828828] ? zap_class+0x640/0x640 [ 338.832561] ? check_preemption_disabled+0x48/0x280 [ 338.837598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.842550] ? kasan_check_read+0x11/0x20 [ 338.846719] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.852016] ? oom_evaluate_task+0x540/0x540 [ 338.856459] ? find_held_lock+0x36/0x1c0 [ 338.860548] ? out_of_memory+0x974/0x1430 [ 338.864732] ? lock_downgrade+0x900/0x900 [ 338.868895] ? check_preemption_disabled+0x48/0x280 [ 338.873927] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.878869] ? kasan_check_read+0x11/0x20 [ 338.883027] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.888316] ? rcu_softirq_qs+0x20/0x20 [ 338.892311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.897860] ? oom_evaluate_task+0x302/0x540 [ 338.902283] out_of_memory+0xa84/0x1430 [ 338.906280] ? oom_killer_disable+0x3a0/0x3a0 [ 338.910793] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 338.915744] ? __ww_mutex_check_waiters+0x160/0x160 [ 338.920791] __alloc_pages_slowpath+0x2354/0x2e10 [ 338.925679] ? warn_alloc+0x120/0x120 [ 338.929497] ? mark_held_locks+0x130/0x130 [ 338.933758] ? find_get_entry+0xaae/0x1120 [ 338.938028] ? filemap_map_pages+0x1a20/0x1a20 [ 338.942629] ? zap_class+0x640/0x640 [ 338.946398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.951954] ? check_preemption_disabled+0x48/0x280 [ 338.957016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.962569] ? should_fail+0x22d/0xd01 [ 338.966487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.971610] ? zap_class+0x640/0x640 [ 338.975362] ? __lock_is_held+0xb5/0x140 [ 338.979460] ? mark_held_locks+0x130/0x130 [ 338.983719] ? lock_release+0xa00/0xa00 [ 338.987709] ? perf_trace_sched_process_exec+0x860/0x860 [ 338.993182] ? xa_load+0x2ba/0x460 [ 338.996743] ? lock_downgrade+0x900/0x900 [ 339.000908] ? __might_sleep+0x95/0x190 [ 339.004904] __alloc_pages_nodemask+0xa80/0xde0 [ 339.009593] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 339.014628] ? __page_cache_alloc+0x191/0x5c0 [ 339.019138] ? xa_load+0x2e1/0x460 [ 339.022695] ? xa_clear_mark+0x40/0x40 [ 339.026603] ? zap_class+0x640/0x640 [ 339.030338] ? zap_class+0x640/0x640 [ 339.034063] ? zap_class+0x640/0x640 [ 339.037794] ? __do_page_cache_readahead+0x663/0x810 [ 339.042916] ? find_held_lock+0x36/0x1c0 [ 339.046995] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 339.052558] alloc_pages_current+0x173/0x350 [ 339.056989] __page_cache_alloc+0x38c/0x5c0 [ 339.061320] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.066260] ? kasan_check_read+0x11/0x20 [ 339.070423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.075735] ? generic_perform_write+0x6a0/0x6a0 [ 339.080506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.086058] ? check_preemption_disabled+0x48/0x280 [ 339.091127] filemap_fault+0x1595/0x25f0 [ 339.095212] ? __lock_page_or_retry+0xa00/0xa00 [ 339.099897] ? mark_held_locks+0x130/0x130 [ 339.104153] ? filemap_map_pages+0xd6b/0x1a20 [ 339.108661] ? lock_downgrade+0x900/0x900 [ 339.112824] ? check_preemption_disabled+0x48/0x280 [ 339.117867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.122808] ? kasan_check_read+0x11/0x20 [ 339.126966] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.132256] ? rcu_softirq_qs+0x20/0x20 [ 339.136255] ? filemap_map_pages+0xd92/0x1a20 [ 339.140769] ? print_usage_bug+0xc0/0xc0 [ 339.144847] ? find_get_entries_tag+0x1400/0x1400 [ 339.149707] ? __kasan_slab_free+0x102/0x150 [ 339.154134] ? kasan_slab_free+0xe/0x10 [ 339.158117] ? kmem_cache_free+0x83/0x290 [ 339.162277] ? __sigqueue_free.part.29+0x74/0x90 [ 339.167069] ? lock_acquire+0x1ed/0x520 [ 339.171055] ? ext4_filemap_fault+0x7a/0xad [ 339.175401] ? lock_release+0xa00/0xa00 [ 339.179389] ? perf_trace_sched_process_exec+0x860/0x860 [ 339.184855] ? print_usage_bug+0xc0/0xc0 [ 339.188934] ? print_usage_bug+0xc0/0xc0 [ 339.193024] ? down_read+0x8d/0x120 [ 339.196663] ? ext4_filemap_fault+0x7a/0xad [ 339.201011] ? __down_interruptible+0x700/0x700 [ 339.205708] ext4_filemap_fault+0x82/0xad [ 339.209881] __do_fault+0x100/0x6b0 [ 339.213526] ? pmd_devmap_trans_unstable+0x220/0x220 [ 339.218645] ? mark_held_locks+0x130/0x130 [ 339.222898] ? mark_held_locks+0x130/0x130 [ 339.227149] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 339.232707] ? rcu_pm_notify+0xc0/0xc0 [ 339.236623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.242179] __handle_mm_fault+0x3ea0/0x5be0 [ 339.246612] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 339.251479] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.255989] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 339.260589] ? trace_hardirqs_on+0xbd/0x310 [ 339.264921] ? kasan_check_read+0x11/0x20 [ 339.269080] ? __set_current_blocked+0xdf/0x120 [ 339.273764] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.278897] ? zap_class+0x640/0x640 [ 339.282620] ? zap_class+0x640/0x640 [ 339.286352] ? find_held_lock+0x36/0x1c0 [ 339.290438] ? handle_mm_fault+0x42a/0xc70 [ 339.294705] ? lock_downgrade+0x900/0x900 [ 339.298916] ? check_preemption_disabled+0x48/0x280 [ 339.303944] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.308884] ? kasan_check_read+0x11/0x20 [ 339.313037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.318319] ? rcu_softirq_qs+0x20/0x20 [ 339.322301] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.327417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.332980] ? check_preemption_disabled+0x48/0x280 [ 339.338012] handle_mm_fault+0x54f/0xc70 [ 339.342088] ? __handle_mm_fault+0x5be0/0x5be0 [ 339.346682] ? find_vma+0x34/0x190 [ 339.350239] __do_page_fault+0x5e8/0xe60 [ 339.354308] ? exit_to_usermode_loop+0x1f4/0x380 [ 339.359086] do_page_fault+0xf2/0x7e0 [ 339.362898] ? vmalloc_sync_all+0x30/0x30 [ 339.367054] ? error_entry+0x70/0xd0 [ 339.370783] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.375803] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.380743] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.385677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.390527] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.395552] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.401013] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.406037] ? page_fault+0x8/0x30 [ 339.409587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.414438] ? page_fault+0x8/0x30 [ 339.418003] page_fault+0x1e/0x30 [ 339.421476] RIP: 0033:0x45db60 [ 339.424687] Code: Bad RIP value. [ 339.428058] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 339.433429] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 339.440728] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 339.448003] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 339.455277] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 339.462552] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 339.469849] warn_alloc_show_mem: 1 callbacks suppressed [ 339.469861] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 339.469863] Mem-Info: [ 339.469895] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 339.469895] active_file:10 inactive_file:13 isolated_file:0 [ 339.469895] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.469895] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 339.469895] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 339.469895] free:13762 free_pcp:404 free_cma:0 [ 339.475247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.482531] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.484934] Call Trace: [ 339.517721] 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 [ 339.527068] <IRQ> [ 339.554378] lowmem_reserve[]: 0 2818 6321 6321 [ 339.556983] dump_stack+0x244/0x39d [ 339.583068] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 339.585230] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.589787] lowmem_reserve[]: 0 0 3503 3503 [ 339.593571] warn_alloc.cold.116+0xb7/0x1bd [ 339.621046] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 339.626239] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.630542] lowmem_reserve[]: 0 0 0 0 [ 339.634872] ? lock_downgrade+0x900/0x900 [ 339.663836] 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 [ 339.668705] ? trace_hardirqs_off+0xb8/0x310 [ 339.672503] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 339.676662] ? trace_hardirqs_off+0xb8/0x310 [ 339.690172] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 339.694605] __alloc_pages_slowpath+0x26e8/0x2e10 [ 339.710030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 339.714494] ? warn_alloc+0x120/0x120 [ 339.728886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 339.733756] ? warn_alloc+0x120/0x120 [ 339.742588] 267 total pagecache pages [ 339.746415] ? zap_class+0x640/0x640 [ 339.754988] 0 pages in swap cache [ 339.758811] ? warn_alloc+0x120/0x120 [ 339.762600] Swap cache stats: add 0, delete 0, find 0/0 [ 339.766318] ? print_usage_bug+0xc0/0xc0 [ 339.769757] Free swap = 0kB [ 339.773569] ? idle_cpu+0x1d0/0x1d0 [ 339.778924] Total swap = 0kB [ 339.783002] ? kvm_sched_clock_read+0x9/0x20 [ 339.786007] 1965979 pages RAM [ 339.789645] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 339.792652] 0 pages HighMem/MovableOnly [ 339.797142] ? print_usage_bug+0xc0/0xc0 [ 339.800226] 342853 pages reserved [ 339.805257] ? __lock_is_held+0xb5/0x140 [ 339.809220] 0 pages cma reserved [ 339.813301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.816798] aoe: skb alloc failure [ 339.820808] ? should_fail+0x22d/0xd01 [ 339.820825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.820842] ? __lock_acquire+0x62f/0x4c20 [ 339.820860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.824341] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.829858] ? __lock_acquire+0x62f/0x4c20 [ 339.833388] syz-fuzzer cpuset=/ mems_allowed=0 [ 339.837290] ? should_fail+0x22d/0xd01 [ 339.874742] ? mark_held_locks+0x130/0x130 [ 339.879011] ? mark_held_locks+0x130/0x130 [ 339.883306] ? __enqueue_entity+0x10d/0x1f0 [ 339.887668] ? zap_class+0x640/0x640 [ 339.891399] ? print_usage_bug+0xc0/0xc0 [ 339.895497] ? __lock_acquire+0x62f/0x4c20 [ 339.899775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.905379] ? check_preemption_disabled+0x48/0x280 [ 339.910507] ? __lock_is_held+0xb5/0x140 [ 339.914634] __alloc_pages_nodemask+0xa80/0xde0 [ 339.919375] ? zap_class+0x640/0x640 [ 339.923138] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 339.928251] ? find_held_lock+0x36/0x1c0 [ 339.932421] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.937168] ? lock_downgrade+0x900/0x900 [ 339.941394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.947049] cache_grow_begin+0xa5/0x8c0 [ 339.951161] ? do_raw_spin_unlock+0xa7/0x330 [ 339.955681] fallback_alloc+0x204/0x2e0 [ 339.959762] ____cache_alloc_node+0x1c7/0x1e0 [ 339.964358] kmem_cache_alloc_node+0xe3/0x730 [ 339.968894] ? ipv6_get_ifaddr+0x42e/0x620 [ 339.973219] __alloc_skb+0x119/0x770 [ 339.977033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.982362] ? netdev_alloc_frag+0x1f0/0x1f0 [ 339.986824] ? lock_downgrade+0x900/0x900 [ 339.991080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.996676] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.002330] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.007851] ? addrconf_rs_timer+0x690/0x690 [ 340.012317] ndisc_alloc_skb+0x144/0x340 [ 340.016462] ndisc_send_rs+0x331/0x6e0 [ 340.020437] addrconf_rs_timer+0x314/0x690 [ 340.024751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.029070] call_timer_fn+0x272/0x920 [ 340.033144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.037686] ? process_timeout+0x40/0x40 [ 340.041887] ? __run_timers+0x7da/0xc70 [ 340.045949] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.050501] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.055039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.059314] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.063916] ? trace_hardirqs_on+0xbd/0x310 [ 340.068252] ? kasan_check_read+0x11/0x20 [ 340.072469] ? __run_timers+0x7da/0xc70 [ 340.076546] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.081772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.086083] __run_timers+0x7e5/0xc70 [ 340.089965] ? timer_fixup_init+0x70/0x70 [ 340.094158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 340.099248] ? zap_class+0x640/0x640 [ 340.103048] ? enqueue_hrtimer+0x1a5/0x560 [ 340.107340] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 340.112588] ? find_held_lock+0x36/0x1c0 [ 340.116729] ? zap_class+0x640/0x640 [ 340.120548] ? pvclock_read_flags+0x160/0x160 [ 340.125113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.130700] ? check_preemption_disabled+0x48/0x280 [ 340.135738] ? __lock_is_held+0xb5/0x140 [ 340.139813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.145362] ? check_preemption_disabled+0x48/0x280 [ 340.150395] run_timer_softirq+0x52/0xb0 [ 340.154483] ? rcu_read_lock_sched_held+0x14f/0x180 [ 340.159508] __do_softirq+0x308/0xb7e [ 340.163320] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 340.167823] ? lock_downgrade+0x900/0x900 [ 340.171982] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 340.177104] ? pvclock_read_flags+0x160/0x160 [ 340.181614] ? lapic_next_event+0x5a/0x90 [ 340.185773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.191330] ? kvm_clock_read+0x18/0x30 [ 340.195313] ? kvm_sched_clock_read+0x9/0x20 [ 340.199731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.205282] ? check_preemption_disabled+0x48/0x280 [ 340.210319] irq_exit+0x17f/0x1c0 [ 340.213781] smp_apic_timer_interrupt+0x1cb/0x760 [ 340.218633] ? smp_reschedule_interrupt+0x109/0x650 [ 340.223663] ? smp_call_function_single_interrupt+0x650/0x650 [ 340.229553] ? interrupt_entry+0xb5/0xc0 [ 340.233622] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.238645] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.243672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.248525] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.253553] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.258580] ? task_prio+0x50/0x50 [ 340.262130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.267677] ? check_preemption_disabled+0x48/0x280 [ 340.272705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.277565] apic_timer_interrupt+0xf/0x20 [ 340.281803] </IRQ> [ 340.284052] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 340.288988] 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 ac [ 340.307895] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 340.315609] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 340.322883] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 340.330157] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 340.337428] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 340.344720] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 340.352035] skb_clone+0x1bb/0x500 [ 340.355583] ? finish_task_switch+0x1b4/0x910 [ 340.360088] ? skb_split+0x11e0/0x11e0 [ 340.363984] ? preempt_notifier_register+0x200/0x200 [ 340.369094] ? __switch_to_asm+0x34/0x70 [ 340.373162] ? __switch_to_asm+0x34/0x70 [ 340.377234] ? __switch_to_asm+0x40/0x70 [ 340.381302] ? __switch_to_asm+0x34/0x70 [ 340.385368] ? __switch_to_asm+0x40/0x70 [ 340.389434] ? __switch_to_asm+0x34/0x70 [ 340.393521] ? __switch_to_asm+0x40/0x70 [ 340.397590] ? __switch_to_asm+0x34/0x70 [ 340.401656] ? __switch_to_asm+0x34/0x70 [ 340.405725] ? __switch_to_asm+0x40/0x70 [ 340.409791] ? __switch_to_asm+0x34/0x70 [ 340.413867] bpf_clone_redirect+0xb9/0x490 [ 340.418109] ? __schedule+0x8d7/0x21d0 [ 340.422009] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 340.427034] ? __sched_text_start+0x8/0x8 [ 340.431189] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 340.435985] ? find_held_lock+0x36/0x1c0 [ 340.440065] ? lock_acquire+0x1ed/0x520 [ 340.444052] ? bpf_test_run+0x3cb/0x780 [ 340.448034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.453585] ? check_preemption_disabled+0x48/0x280 [ 340.458617] ? kasan_check_read+0x11/0x20 [ 340.462772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.468059] ? rcu_softirq_qs+0x20/0x20 [ 340.472044] ? preempt_schedule+0x4d/0x60 [ 340.476200] ? ___preempt_schedule+0x16/0x18 [ 340.480628] ? bpf_test_run+0x25d/0x780 [ 340.484624] ? netlink_diag_dump+0x2a0/0x2a0 [ 340.489042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.494594] ? bpf_test_init.isra.10+0x70/0x100 [ 340.499281] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 340.504054] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.508905] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.514466] ? fput+0x130/0x1a0 [ 340.517758] ? __bpf_prog_get+0x9b/0x290 [ 340.521829] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.526681] ? bpf_prog_test_run+0x130/0x1a0 [ 340.531103] ? __x64_sys_bpf+0x3d8/0x520 [ 340.535172] ? bpf_prog_get+0x20/0x20 [ 340.539004] ? do_syscall_64+0x1b9/0x820 [ 340.543074] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 340.548466] ? syscall_return_slowpath+0x5e0/0x5e0 [ 340.553407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.558277] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.563300] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 340.568325] ? prepare_exit_to_usermode+0x291/0x3b0 [ 340.573355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.578221] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.583615] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 340.583688] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.590552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.590557] Call Trace: [ 340.590564] <IRQ> [ 340.590583] dump_stack+0x244/0x39d [ 340.590602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.597176] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.606476] warn_alloc.cold.116+0xb7/0x1bd [ 340.609040] syz-executor2 cpuset=syz2 mems_allowed=0 [ 340.611196] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.644748] ? lock_downgrade+0x900/0x900 [ 340.648921] ? trace_hardirqs_off+0xb8/0x310 [ 340.653347] ? trace_hardirqs_off+0xb8/0x310 [ 340.657778] __alloc_pages_slowpath+0x26e8/0x2e10 [ 340.662664] ? warn_alloc+0x120/0x120 [ 340.666493] ? warn_alloc+0x120/0x120 [ 340.670309] ? __lock_acquire+0x62f/0x4c20 [ 340.674558] ? warn_alloc+0x120/0x120 [ 340.678373] ? print_usage_bug+0xc0/0xc0 [ 340.682463] ? print_usage_bug+0xc0/0xc0 [ 340.686539] ? mark_held_locks+0x130/0x130 [ 340.690792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.696336] ? should_fail+0x22d/0xd01 [ 340.700279] ? zap_class+0x640/0x640 [ 340.704008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.709123] ? __lock_acquire+0x62f/0x4c20 [ 340.713373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.718508] ? should_fail+0x22d/0xd01 [ 340.722417] ? mark_held_locks+0x130/0x130 [ 340.726683] ? mark_held_locks+0x130/0x130 [ 340.730933] ? lock_downgrade+0x900/0x900 [ 340.735092] ? zap_class+0x640/0x640 [ 340.738818] ? zap_class+0x640/0x640 [ 340.742548] ? zap_class+0x640/0x640 [ 340.746272] ? do_raw_spin_unlock+0xa7/0x330 [ 340.750690] ? trace_hardirqs_on+0x310/0x310 [ 340.755112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.760672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.766227] ? check_preemption_disabled+0x48/0x280 [ 340.771271] ? __lock_is_held+0xb5/0x140 [ 340.775352] __alloc_pages_nodemask+0xa80/0xde0 [ 340.780043] ? zap_class+0x640/0x640 [ 340.783784] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 340.788843] ? find_held_lock+0x36/0x1c0 [ 340.792941] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.797639] ? lock_downgrade+0x900/0x900 [ 340.801818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.807392] cache_grow_begin+0xa5/0x8c0 [ 340.811498] ? do_raw_spin_unlock+0xa7/0x330 [ 340.815946] fallback_alloc+0x204/0x2e0 [ 340.819955] ____cache_alloc_node+0x1c7/0x1e0 [ 340.824500] kmem_cache_alloc_node+0xe3/0x730 [ 340.829029] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.833651] __alloc_skb+0x119/0x770 [ 340.837391] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 340.842793] ? netdev_alloc_frag+0x1f0/0x1f0 [ 340.847233] ? vprintk_default+0x28/0x30 [ 340.851321] ? vprintk_func+0x85/0x181 [ 340.855237] ? printk+0xa7/0xcf [ 340.858540] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 340.863336] new_skb+0x26/0x1c0 [ 340.866649] aoecmd_cfg+0x279/0x7f0 [ 340.870310] ? find_held_lock+0x36/0x1c0 [ 340.874404] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 340.878777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.884356] ? __lock_is_held+0xb5/0x140 [ 340.888481] discover_timer+0x50/0x60 [ 340.892312] call_timer_fn+0x272/0x920 [ 340.896228] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.901109] ? process_timeout+0x40/0x40 [ 340.905211] ? mark_held_locks+0xc7/0x130 [ 340.909390] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.913919] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.918458] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.923331] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.927949] ? trace_hardirqs_on+0xbd/0x310 [ 340.932300] ? kasan_check_read+0x11/0x20 [ 340.936493] ? __run_timers+0x7da/0xc70 [ 340.940511] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.945664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.950538] __run_timers+0x7e5/0xc70 [ 340.954375] ? timer_fixup_init+0x70/0x70 [ 340.958547] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 340.963586] ? zap_class+0x640/0x640 [ 340.967322] ? print_usage_bug+0xc0/0xc0 [ 340.971400] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 340.976609] ? find_held_lock+0x36/0x1c0 [ 340.980688] ? zap_class+0x640/0x640 [ 340.984430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.989999] ? check_preemption_disabled+0x48/0x280 [ 340.995044] ? __lock_is_held+0xb5/0x140 [ 340.999118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.004670] ? check_preemption_disabled+0x48/0x280 [ 341.009708] run_timer_softirq+0x52/0xb0 [ 341.013793] ? rcu_read_lock_sched_held+0x14f/0x180 [ 341.018845] __do_softirq+0x308/0xb7e [ 341.022666] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 341.027178] ? lock_downgrade+0x900/0x900 [ 341.031347] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 341.036486] ? pvclock_read_flags+0x160/0x160 [ 341.040994] ? lapic_next_event+0x5a/0x90 [ 341.045157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.050710] ? kvm_clock_read+0x18/0x30 [ 341.054701] ? kvm_sched_clock_read+0x9/0x20 [ 341.059128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.064679] ? check_preemption_disabled+0x48/0x280 [ 341.069722] irq_exit+0x17f/0x1c0 [ 341.073190] smp_apic_timer_interrupt+0x1cb/0x760 [ 341.078040] ? smp_reschedule_interrupt+0x109/0x650 [ 341.083067] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.088962] ? interrupt_entry+0xb5/0xc0 [ 341.093036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.098063] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.103094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.107949] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.112974] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.117996] ? task_prio+0x50/0x50 [ 341.121549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.127095] ? check_preemption_disabled+0x48/0x280 [ 341.132127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.136989] apic_timer_interrupt+0xf/0x20 [ 341.141227] </IRQ> [ 341.143493] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 341.148690] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 341.167605] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 341.175324] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 341.182688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 341.189971] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 341.197250] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 341.204528] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 341.211846] retint_kernel+0x1b/0x2d [ 341.215574] RIP: 0010:dump_stack+0x358/0x39d [ 341.219995] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 341.238912] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 341.246634] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 341.253910] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 341.261185] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 341.268481] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 341.275762] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 341.283075] ? dump_stack+0x34f/0x39d [ 341.286924] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.292145] ? mark_held_locks+0x130/0x130 [ 341.296392] ? mark_held_locks+0x130/0x130 [ 341.300644] dump_header+0x27b/0xf72 [ 341.304386] ? pagefault_out_of_memory+0x197/0x197 [ 341.309343] ? __lock_acquire+0x62f/0x4c20 [ 341.313604] ? percpu_ref_get_many+0x240/0x240 [ 341.318210] ? print_usage_bug+0xc0/0xc0 [ 341.322288] ? zap_class+0x640/0x640 [ 341.326014] ? print_usage_bug+0xc0/0xc0 [ 341.330089] ? print_usage_bug+0xc0/0xc0 [ 341.334161] ? zap_class+0x640/0x640 [ 341.337888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.343437] ? find_held_lock+0x36/0x1c0 [ 341.347542] ? mark_held_locks+0xc7/0x130 [ 341.351706] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.356822] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.361939] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.366537] ? trace_hardirqs_on+0xbd/0x310 [ 341.370869] ? kasan_check_read+0x11/0x20 [ 341.375035] ? ___ratelimit+0x3b4/0x672 [ 341.379025] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.384155] ? trace_hardirqs_on+0x310/0x310 [ 341.388591] ? lock_downgrade+0x900/0x900 [ 341.392766] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.397894] ? ___ratelimit+0x3b9/0x672 [ 341.401897] ? idr_get_free+0xf70/0xf70 [ 341.405899] ? find_held_lock+0x36/0x1c0 [ 341.409992] oom_kill_process.cold.27+0x10/0x903 [ 341.414792] ? zap_class+0x640/0x640 [ 341.418527] ? check_preemption_disabled+0x48/0x280 [ 341.423580] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.428539] ? kasan_check_read+0x11/0x20 [ 341.432722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.438031] ? oom_evaluate_task+0x540/0x540 [ 341.442494] ? find_held_lock+0x36/0x1c0 [ 341.446591] ? out_of_memory+0x974/0x1430 [ 341.450768] ? lock_downgrade+0x900/0x900 [ 341.454940] ? check_preemption_disabled+0x48/0x280 [ 341.459983] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.464936] ? kasan_check_read+0x11/0x20 [ 341.469106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.474407] ? rcu_softirq_qs+0x20/0x20 [ 341.478424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.484006] ? oom_evaluate_task+0x302/0x540 [ 341.488466] out_of_memory+0xa84/0x1430 [ 341.492503] ? oom_killer_disable+0x3a0/0x3a0 [ 341.497035] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 341.501995] ? __ww_mutex_check_waiters+0x160/0x160 [ 341.507051] __alloc_pages_slowpath+0x2354/0x2e10 [ 341.511950] ? warn_alloc+0x120/0x120 [ 341.515779] ? mark_held_locks+0x130/0x130 [ 341.520042] ? find_get_entry+0xaae/0x1120 [ 341.524314] ? filemap_map_pages+0x1a20/0x1a20 [ 341.528925] ? zap_class+0x640/0x640 [ 341.532671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.538234] ? check_preemption_disabled+0x48/0x280 [ 341.543268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.548822] ? should_fail+0x22d/0xd01 [ 341.552730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.557850] ? zap_class+0x640/0x640 [ 341.561605] ? __lock_is_held+0xb5/0x140 [ 341.565691] ? mark_held_locks+0x130/0x130 [ 341.569953] ? lock_release+0xa00/0xa00 [ 341.573943] ? perf_trace_sched_process_exec+0x860/0x860 [ 341.579409] ? xa_load+0x2ba/0x460 [ 341.582978] ? lock_downgrade+0x900/0x900 [ 341.587142] ? __might_sleep+0x95/0x190 [ 341.591674] __alloc_pages_nodemask+0xa80/0xde0 [ 341.596365] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 341.601396] ? __page_cache_alloc+0x191/0x5c0 [ 341.605914] ? xa_load+0x2e1/0x460 [ 341.609496] ? xa_clear_mark+0x40/0x40 [ 341.613397] ? zap_class+0x640/0x640 [ 341.617132] ? zap_class+0x640/0x640 [ 341.620854] ? zap_class+0x640/0x640 [ 341.624582] ? __do_page_cache_readahead+0x663/0x810 [ 341.629699] ? find_held_lock+0x36/0x1c0 [ 341.633779] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 341.639336] alloc_pages_current+0x173/0x350 [ 341.643763] __page_cache_alloc+0x38c/0x5c0 [ 341.648090] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.653027] ? kasan_check_read+0x11/0x20 [ 341.657181] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.662490] ? generic_perform_write+0x6a0/0x6a0 [ 341.667259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.672811] ? check_preemption_disabled+0x48/0x280 [ 341.677842] filemap_fault+0x1595/0x25f0 [ 341.681927] ? __lock_page_or_retry+0xa00/0xa00 [ 341.686612] ? mark_held_locks+0x130/0x130 [ 341.690863] ? filemap_map_pages+0xd6b/0x1a20 [ 341.695370] ? lock_downgrade+0x900/0x900 [ 341.699530] ? check_preemption_disabled+0x48/0x280 [ 341.704561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.709500] ? kasan_check_read+0x11/0x20 [ 341.713654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.718936] ? rcu_softirq_qs+0x20/0x20 [ 341.723090] ? filemap_map_pages+0xd92/0x1a20 [ 341.727600] ? print_usage_bug+0xc0/0xc0 [ 341.731675] ? find_get_entries_tag+0x1400/0x1400 [ 341.736530] ? __kasan_slab_free+0x102/0x150 [ 341.740945] ? kasan_slab_free+0xe/0x10 [ 341.744927] ? kmem_cache_free+0x83/0x290 [ 341.749086] ? __sigqueue_free.part.29+0x74/0x90 [ 341.753892] ? lock_acquire+0x1ed/0x520 [ 341.757882] ? ext4_filemap_fault+0x7a/0xad [ 341.762220] ? lock_release+0xa00/0xa00 [ 341.766202] ? perf_trace_sched_process_exec+0x860/0x860 [ 341.771671] ? print_usage_bug+0xc0/0xc0 [ 341.775750] ? print_usage_bug+0xc0/0xc0 [ 341.779834] ? down_read+0x8d/0x120 [ 341.783481] ? ext4_filemap_fault+0x7a/0xad [ 341.787813] ? __down_interruptible+0x700/0x700 [ 341.792508] ext4_filemap_fault+0x82/0xad [ 341.796673] __do_fault+0x100/0x6b0 [ 341.800317] ? pmd_devmap_trans_unstable+0x220/0x220 [ 341.805435] ? mark_held_locks+0x130/0x130 [ 341.809701] ? mark_held_locks+0x130/0x130 [ 341.813952] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 341.819504] ? rcu_pm_notify+0xc0/0xc0 [ 341.823411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.828981] __handle_mm_fault+0x3ea0/0x5be0 [ 341.833408] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 341.838272] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.842784] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.847380] ? trace_hardirqs_on+0xbd/0x310 [ 341.851722] ? kasan_check_read+0x11/0x20 [ 341.855881] ? __set_current_blocked+0xdf/0x120 [ 341.860566] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.865696] ? zap_class+0x640/0x640 [ 341.869426] ? zap_class+0x640/0x640 [ 341.873173] ? find_held_lock+0x36/0x1c0 [ 341.877256] ? handle_mm_fault+0x42a/0xc70 [ 341.881502] ? lock_downgrade+0x900/0x900 [ 341.885662] ? check_preemption_disabled+0x48/0x280 [ 341.890690] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.895636] ? kasan_check_read+0x11/0x20 [ 341.899794] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.905078] ? rcu_softirq_qs+0x20/0x20 [ 341.909060] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.914170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.919724] ? check_preemption_disabled+0x48/0x280 [ 341.924760] handle_mm_fault+0x54f/0xc70 [ 341.928837] ? __handle_mm_fault+0x5be0/0x5be0 [ 341.933434] ? find_vma+0x34/0x190 [ 341.937008] __do_page_fault+0x5e8/0xe60 [ 341.941076] ? exit_to_usermode_loop+0x1f4/0x380 [ 341.945845] do_page_fault+0xf2/0x7e0 [ 341.949652] ? vmalloc_sync_all+0x30/0x30 [ 341.953807] ? error_entry+0x70/0xd0 [ 341.957533] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.962559] ? trace_hardirqs_on_caller+0xc0/0x310 [ 341.967496] ? syscall_return_slowpath+0x5e0/0x5e0 [ 341.972429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.977297] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.982320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.987781] ? prepare_exit_to_usermode+0x291/0x3b0 [ 341.992802] ? page_fault+0x8/0x30 [ 341.996351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.001207] ? page_fault+0x8/0x30 [ 342.004760] page_fault+0x1e/0x30 [ 342.008217] RIP: 0033:0x45db60 [ 342.011427] Code: Bad RIP value. [ 342.014810] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 342.020176] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 342.027463] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 342.034759] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 342.042030] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 342.049301] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 342.056595] warn_alloc_show_mem: 1 callbacks suppressed [ 342.056607] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 342.056609] Mem-Info: [ 342.056641] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 342.056641] active_file:10 inactive_file:13 isolated_file:0 [ 342.056641] unevictable:0 dirty:0 writeback:0 unstable:0 [ 342.056641] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 342.056641] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 342.056641] free:13762 free_pcp:404 free_cma:0 [ 342.061988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.069269] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 342.071672] Call Trace: [ 342.104468] 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 [ 342.113817] <IRQ> [ 342.141132] lowmem_reserve[]: 0 2818 6321 6321 [ 342.143724] dump_stack+0x244/0x39d [ 342.169818] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 342.171972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.176537] lowmem_reserve[]: 0 0 3503 3503 [ 342.180172] warn_alloc.cold.116+0xb7/0x1bd [ 342.207645] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 342.212836] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.217140] lowmem_reserve[]: 0 0 0 0 [ 342.221479] ? lock_downgrade+0x900/0x900 [ 342.250432] 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 [ 342.255301] ? trace_hardirqs_off+0xb8/0x310 [ 342.259083] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 342.263237] ? trace_hardirqs_off+0xb8/0x310 [ 342.276742] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 342.281163] __alloc_pages_slowpath+0x26e8/0x2e10 [ 342.296594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.301036] ? warn_alloc+0x120/0x120 [ 342.315052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.319902] ? print_usage_bug+0xc0/0xc0 [ 342.328721] 267 total pagecache pages [ 342.332531] ? warn_alloc+0x120/0x120 [ 342.341092] 0 pages in swap cache [ 342.345157] ? warn_alloc+0x120/0x120 [ 342.348937] Swap cache stats: add 0, delete 0, find 0/0 [ 342.352738] ? print_usage_bug+0xc0/0xc0 [ 342.356174] Free swap = 0kB [ 342.359979] ? kvm_clock_read+0x18/0x30 [ 342.365327] Total swap = 0kB [ 342.369394] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 342.372390] 1965979 pages RAM [ 342.376371] ? print_usage_bug+0xc0/0xc0 [ 342.379367] 0 pages HighMem/MovableOnly [ 342.384388] ? __lock_acquire+0x62f/0x4c20 [ 342.387486] 342853 pages reserved [ 342.391552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.395501] 0 pages cma reserved [ 342.399741] ? should_fail+0x22d/0xd01 [ 342.403234] aoe: skb alloc failure [ 342.408706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.408726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.408745] ? __lock_acquire+0x62f/0x4c20 [ 342.412128] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.415988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.419513] syz-fuzzer cpuset=/ mems_allowed=0 [ 342.424797] ? __lock_acquire+0x62f/0x4c20 [ 342.458256] ? should_fail+0x22d/0xd01 [ 342.462150] ? rcu_irq_exit+0x1a2/0x390 [ 342.466143] ? mark_held_locks+0x130/0x130 [ 342.470393] ? mark_held_locks+0x130/0x130 [ 342.474644] ? mark_held_locks+0xc7/0x130 [ 342.478805] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 342.483830] ? zap_class+0x640/0x640 [ 342.487552] ? print_usage_bug+0xc0/0xc0 [ 342.491631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.497182] ? check_preemption_disabled+0x48/0x280 [ 342.502229] ? __lock_is_held+0xb5/0x140 [ 342.506308] __alloc_pages_nodemask+0xa80/0xde0 [ 342.510989] ? zap_class+0x640/0x640 [ 342.514714] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 342.519748] ? find_held_lock+0x36/0x1c0 [ 342.523827] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.528505] ? lock_downgrade+0x900/0x900 [ 342.532671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.538225] cache_grow_begin+0xa5/0x8c0 [ 342.542292] ? do_raw_spin_unlock+0xa7/0x330 [ 342.546708] fallback_alloc+0x204/0x2e0 [ 342.550698] ____cache_alloc_node+0x1c7/0x1e0 [ 342.555198] kmem_cache_alloc_node+0xe3/0x730 [ 342.559714] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.563976] __alloc_skb+0x119/0x770 [ 342.567690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.572976] ? netdev_alloc_frag+0x1f0/0x1f0 [ 342.577401] ? lock_downgrade+0x900/0x900 [ 342.581555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.587107] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.592574] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.598025] ? addrconf_rs_timer+0x690/0x690 [ 342.602450] ndisc_alloc_skb+0x144/0x340 [ 342.606517] ndisc_send_rs+0x331/0x6e0 [ 342.610409] addrconf_rs_timer+0x314/0x690 [ 342.614651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.618896] call_timer_fn+0x272/0x920 [ 342.622785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.627018] ? process_timeout+0x40/0x40 [ 342.631090] ? __run_timers+0x7da/0xc70 [ 342.635080] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.639576] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.644077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.648318] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.652909] ? trace_hardirqs_on+0xbd/0x310 [ 342.657259] ? kasan_check_read+0x11/0x20 [ 342.661420] ? __run_timers+0x7da/0xc70 [ 342.665427] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.670547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.674799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.679037] __run_timers+0x7e5/0xc70 [ 342.682861] ? timer_fixup_init+0x70/0x70 [ 342.687030] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 342.692065] ? zap_class+0x640/0x640 [ 342.695822] ? enqueue_hrtimer+0x1a5/0x560 [ 342.700076] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 342.705290] ? find_held_lock+0x36/0x1c0 [ 342.709369] ? zap_class+0x640/0x640 [ 342.713096] ? pvclock_read_flags+0x160/0x160 [ 342.717602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.723672] ? check_preemption_disabled+0x48/0x280 [ 342.728724] ? __lock_is_held+0xb5/0x140 [ 342.732794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.738353] ? check_preemption_disabled+0x48/0x280 [ 342.743389] run_timer_softirq+0x52/0xb0 [ 342.747470] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.752505] __do_softirq+0x308/0xb7e [ 342.756315] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 342.760820] ? lock_downgrade+0x900/0x900 [ 342.764974] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.770090] ? pvclock_read_flags+0x160/0x160 [ 342.774589] ? lapic_next_event+0x5a/0x90 [ 342.778746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.784295] ? kvm_clock_read+0x18/0x30 [ 342.788273] ? kvm_sched_clock_read+0x9/0x20 [ 342.792687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.798245] ? check_preemption_disabled+0x48/0x280 [ 342.803310] irq_exit+0x17f/0x1c0 [ 342.806784] smp_apic_timer_interrupt+0x1cb/0x760 [ 342.811625] ? smp_reschedule_interrupt+0x109/0x650 [ 342.816647] ? smp_call_function_single_interrupt+0x650/0x650 [ 342.822537] ? interrupt_entry+0xb5/0xc0 [ 342.826620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.831638] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.836663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.841511] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.846531] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.851564] ? task_prio+0x50/0x50 [ 342.855106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.860651] ? check_preemption_disabled+0x48/0x280 [ 342.865678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.870531] apic_timer_interrupt+0xf/0x20 [ 342.874766] </IRQ> [ 342.877006] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 342.881935] 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 ac [ 342.900873] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 342.908588] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 342.915865] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 342.923133] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 342.930398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 342.937668] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 342.945004] skb_clone+0x1bb/0x500 [ 342.948548] ? finish_task_switch+0x1b4/0x910 [ 342.953042] ? skb_split+0x11e0/0x11e0 [ 342.956931] ? preempt_notifier_register+0x200/0x200 [ 342.962046] ? __switch_to_asm+0x34/0x70 [ 342.966120] ? __switch_to_asm+0x34/0x70 [ 342.970177] ? __switch_to_asm+0x40/0x70 [ 342.974268] ? __switch_to_asm+0x34/0x70 [ 342.978324] ? __switch_to_asm+0x40/0x70 [ 342.982381] ? __switch_to_asm+0x34/0x70 [ 342.986437] ? __switch_to_asm+0x40/0x70 [ 342.990514] ? __switch_to_asm+0x34/0x70 [ 342.994577] ? __switch_to_asm+0x34/0x70 [ 342.998636] ? __switch_to_asm+0x40/0x70 [ 343.002698] ? __switch_to_asm+0x34/0x70 [ 343.006772] bpf_clone_redirect+0xb9/0x490 [ 343.011015] ? __schedule+0x8d7/0x21d0 [ 343.014913] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 343.019950] ? __sched_text_start+0x8/0x8 [ 343.024099] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 343.028874] ? find_held_lock+0x36/0x1c0 [ 343.032964] ? lock_acquire+0x1ed/0x520 [ 343.036955] ? bpf_test_run+0x3cb/0x780 [ 343.040981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.046539] ? check_preemption_disabled+0x48/0x280 [ 343.051584] ? kasan_check_read+0x11/0x20 [ 343.055753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.061046] ? rcu_softirq_qs+0x20/0x20 [ 343.065023] ? preempt_schedule+0x4d/0x60 [ 343.069176] ? ___preempt_schedule+0x16/0x18 [ 343.073610] ? bpf_test_run+0x25d/0x780 [ 343.077599] ? netlink_diag_dump+0x2a0/0x2a0 [ 343.082016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.087558] ? bpf_test_init.isra.10+0x70/0x100 [ 343.092242] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 343.097009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.101856] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.107398] ? fput+0x130/0x1a0 [ 343.110679] ? __bpf_prog_get+0x9b/0x290 [ 343.114765] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.119609] ? bpf_prog_test_run+0x130/0x1a0 [ 343.124023] ? __x64_sys_bpf+0x3d8/0x520 [ 343.128084] ? bpf_prog_get+0x20/0x20 [ 343.131920] ? do_syscall_64+0x1b9/0x820 [ 343.135982] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 343.141366] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.146300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.151149] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.156172] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 343.161196] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.166227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.171098] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.176489] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 343.176559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.183424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.183430] Call Trace: [ 343.183437] <IRQ> [ 343.183470] dump_stack+0x244/0x39d [ 343.183488] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.190143] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.199345] warn_alloc.cold.116+0xb7/0x1bd [ 343.201899] syz-executor2 cpuset=syz2 mems_allowed=0 [ 343.204048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.237556] ? lock_downgrade+0x900/0x900 [ 343.241727] ? trace_hardirqs_off+0xb8/0x310 [ 343.246150] ? trace_hardirqs_off+0xb8/0x310 [ 343.250579] __alloc_pages_slowpath+0x26e8/0x2e10 [ 343.255485] ? warn_alloc+0x120/0x120 [ 343.259297] ? warn_alloc+0x120/0x120 [ 343.263109] ? __lock_acquire+0x62f/0x4c20 [ 343.267353] ? warn_alloc+0x120/0x120 [ 343.271160] ? print_usage_bug+0xc0/0xc0 [ 343.275225] ? print_usage_bug+0xc0/0xc0 [ 343.279313] ? mark_held_locks+0x130/0x130 [ 343.283562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.289104] ? should_fail+0x22d/0xd01 [ 343.292996] ? zap_class+0x640/0x640 [ 343.296721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.301832] ? __lock_acquire+0x62f/0x4c20 [ 343.306120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.311228] ? should_fail+0x22d/0xd01 [ 343.315146] ? mark_held_locks+0x130/0x130 [ 343.319406] ? mark_held_locks+0x130/0x130 [ 343.323649] ? lock_downgrade+0x900/0x900 [ 343.327819] ? zap_class+0x640/0x640 [ 343.331539] ? zap_class+0x640/0x640 [ 343.335285] ? zap_class+0x640/0x640 [ 343.339016] ? do_raw_spin_unlock+0xa7/0x330 [ 343.343428] ? trace_hardirqs_on+0x310/0x310 [ 343.347865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.353412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.358966] ? check_preemption_disabled+0x48/0x280 [ 343.364000] ? __lock_is_held+0xb5/0x140 [ 343.368075] __alloc_pages_nodemask+0xa80/0xde0 [ 343.372763] ? zap_class+0x640/0x640 [ 343.376489] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 343.381519] ? find_held_lock+0x36/0x1c0 [ 343.385592] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.390268] ? lock_downgrade+0x900/0x900 [ 343.394425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.399985] cache_grow_begin+0xa5/0x8c0 [ 343.404051] ? do_raw_spin_unlock+0xa7/0x330 [ 343.408481] fallback_alloc+0x204/0x2e0 [ 343.412472] ____cache_alloc_node+0x1c7/0x1e0 [ 343.416985] kmem_cache_alloc_node+0xe3/0x730 [ 343.421487] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.426084] __alloc_skb+0x119/0x770 [ 343.429802] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.435174] ? netdev_alloc_frag+0x1f0/0x1f0 [ 343.439606] ? vprintk_default+0x28/0x30 [ 343.443668] ? vprintk_func+0x85/0x181 [ 343.447563] ? printk+0xa7/0xcf [ 343.450876] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 343.455658] new_skb+0x26/0x1c0 [ 343.458942] aoecmd_cfg+0x279/0x7f0 [ 343.462573] ? find_held_lock+0x36/0x1c0 [ 343.466642] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 343.470971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.476525] ? __lock_is_held+0xb5/0x140 [ 343.480601] discover_timer+0x50/0x60 [ 343.484402] call_timer_fn+0x272/0x920 [ 343.488294] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.493140] ? process_timeout+0x40/0x40 [ 343.497214] ? mark_held_locks+0xc7/0x130 [ 343.501394] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.505889] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.510389] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.515240] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.519845] ? trace_hardirqs_on+0xbd/0x310 [ 343.524197] ? kasan_check_read+0x11/0x20 [ 343.528343] ? __run_timers+0x7da/0xc70 [ 343.532340] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.537465] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.542310] __run_timers+0x7e5/0xc70 [ 343.546132] ? timer_fixup_init+0x70/0x70 [ 343.550287] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 343.555306] ? zap_class+0x640/0x640 [ 343.559025] ? print_usage_bug+0xc0/0xc0 [ 343.563095] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 343.568325] ? find_held_lock+0x36/0x1c0 [ 343.572393] ? zap_class+0x640/0x640 [ 343.576139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.581684] ? check_preemption_disabled+0x48/0x280 [ 343.586800] ? __lock_is_held+0xb5/0x140 [ 343.591385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.596929] ? check_preemption_disabled+0x48/0x280 [ 343.601970] run_timer_softirq+0x52/0xb0 [ 343.606035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 343.611056] __do_softirq+0x308/0xb7e [ 343.614859] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 343.619358] ? lock_downgrade+0x900/0x900 [ 343.623514] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 343.628632] ? pvclock_read_flags+0x160/0x160 [ 343.633136] ? lapic_next_event+0x5a/0x90 [ 343.637303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.642849] ? kvm_clock_read+0x18/0x30 [ 343.646828] ? kvm_sched_clock_read+0x9/0x20 [ 343.651238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.656780] ? check_preemption_disabled+0x48/0x280 [ 343.661809] irq_exit+0x17f/0x1c0 [ 343.665285] smp_apic_timer_interrupt+0x1cb/0x760 [ 343.670133] ? smp_reschedule_interrupt+0x109/0x650 [ 343.675164] ? smp_call_function_single_interrupt+0x650/0x650 [ 343.681084] ? interrupt_entry+0xb5/0xc0 [ 343.685154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.690207] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.695227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.700093] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.705119] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.710146] ? task_prio+0x50/0x50 [ 343.713692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.719248] ? check_preemption_disabled+0x48/0x280 [ 343.724650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.729509] apic_timer_interrupt+0xf/0x20 [ 343.733743] </IRQ> [ 343.735990] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 343.741189] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 343.760115] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 343.767836] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 343.775127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 343.782413] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 343.789706] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 343.796995] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 343.804320] retint_kernel+0x1b/0x2d [ 343.808058] RIP: 0010:dump_stack+0x358/0x39d [ 343.812483] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 343.831404] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 343.839135] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 343.846421] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 343.853719] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 343.861005] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 343.868375] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 343.875700] ? dump_stack+0x34f/0x39d [ 343.879544] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.884758] ? mark_held_locks+0x130/0x130 [ 343.889021] ? mark_held_locks+0x130/0x130 [ 343.893289] dump_header+0x27b/0xf72 [ 343.897024] ? pagefault_out_of_memory+0x197/0x197 [ 343.901962] ? __lock_acquire+0x62f/0x4c20 [ 343.906211] ? percpu_ref_get_many+0x240/0x240 [ 343.910819] ? print_usage_bug+0xc0/0xc0 [ 343.914890] ? zap_class+0x640/0x640 [ 343.918615] ? print_usage_bug+0xc0/0xc0 [ 343.922676] ? print_usage_bug+0xc0/0xc0 [ 343.926753] ? zap_class+0x640/0x640 [ 343.930499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.936049] ? find_held_lock+0x36/0x1c0 [ 343.940122] ? mark_held_locks+0xc7/0x130 [ 343.944276] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.949383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.954514] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 343.959100] ? trace_hardirqs_on+0xbd/0x310 [ 343.963425] ? kasan_check_read+0x11/0x20 [ 343.967596] ? ___ratelimit+0x3b4/0x672 [ 343.971582] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.976692] ? trace_hardirqs_on+0x310/0x310 [ 343.981113] ? lock_downgrade+0x900/0x900 [ 343.985284] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 343.990392] ? ___ratelimit+0x3b9/0x672 [ 343.994370] ? idr_get_free+0xf70/0xf70 [ 343.998348] ? find_held_lock+0x36/0x1c0 [ 344.002420] oom_kill_process.cold.27+0x10/0x903 [ 344.007192] ? zap_class+0x640/0x640 [ 344.010911] ? check_preemption_disabled+0x48/0x280 [ 344.015936] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.020874] ? kasan_check_read+0x11/0x20 [ 344.025025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.030320] ? oom_evaluate_task+0x540/0x540 [ 344.034748] ? find_held_lock+0x36/0x1c0 [ 344.038843] ? out_of_memory+0x974/0x1430 [ 344.043009] ? lock_downgrade+0x900/0x900 [ 344.047160] ? check_preemption_disabled+0x48/0x280 [ 344.052186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.057115] ? kasan_check_read+0x11/0x20 [ 344.061275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.066555] ? rcu_softirq_qs+0x20/0x20 [ 344.070553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.076091] ? oom_evaluate_task+0x302/0x540 [ 344.080512] out_of_memory+0xa84/0x1430 [ 344.084500] ? oom_killer_disable+0x3a0/0x3a0 [ 344.088997] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 344.093930] ? __ww_mutex_check_waiters+0x160/0x160 [ 344.098956] __alloc_pages_slowpath+0x2354/0x2e10 [ 344.103853] ? warn_alloc+0x120/0x120 [ 344.107658] ? mark_held_locks+0x130/0x130 [ 344.111906] ? find_get_entry+0xaae/0x1120 [ 344.116154] ? filemap_map_pages+0x1a20/0x1a20 [ 344.120751] ? zap_class+0x640/0x640 [ 344.124484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.130033] ? check_preemption_disabled+0x48/0x280 [ 344.135101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.140644] ? should_fail+0x22d/0xd01 [ 344.144541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.149666] ? zap_class+0x640/0x640 [ 344.153410] ? __lock_is_held+0xb5/0x140 [ 344.157491] ? mark_held_locks+0x130/0x130 [ 344.161763] ? lock_release+0xa00/0xa00 [ 344.165772] ? perf_trace_sched_process_exec+0x860/0x860 [ 344.171230] ? xa_load+0x2ba/0x460 [ 344.174777] ? lock_downgrade+0x900/0x900 [ 344.178944] ? __might_sleep+0x95/0x190 [ 344.182944] __alloc_pages_nodemask+0xa80/0xde0 [ 344.187629] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 344.192649] ? __page_cache_alloc+0x191/0x5c0 [ 344.197179] ? xa_load+0x2e1/0x460 [ 344.200741] ? xa_clear_mark+0x40/0x40 [ 344.204634] ? zap_class+0x640/0x640 [ 344.208358] ? zap_class+0x640/0x640 [ 344.212075] ? zap_class+0x640/0x640 [ 344.215797] ? __do_page_cache_readahead+0x663/0x810 [ 344.220912] ? find_held_lock+0x36/0x1c0 [ 344.224999] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 344.230572] alloc_pages_current+0x173/0x350 [ 344.234997] __page_cache_alloc+0x38c/0x5c0 [ 344.239327] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.244265] ? kasan_check_read+0x11/0x20 [ 344.248418] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.253724] ? generic_perform_write+0x6a0/0x6a0 [ 344.258489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.264034] ? check_preemption_disabled+0x48/0x280 [ 344.269070] filemap_fault+0x1595/0x25f0 [ 344.273153] ? __lock_page_or_retry+0xa00/0xa00 [ 344.277835] ? mark_held_locks+0x130/0x130 [ 344.282098] ? filemap_map_pages+0xd6b/0x1a20 [ 344.286599] ? lock_downgrade+0x900/0x900 [ 344.290752] ? check_preemption_disabled+0x48/0x280 [ 344.295773] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.300704] ? kasan_check_read+0x11/0x20 [ 344.304863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.310143] ? rcu_softirq_qs+0x20/0x20 [ 344.314137] ? filemap_map_pages+0xd92/0x1a20 [ 344.318648] ? print_usage_bug+0xc0/0xc0 [ 344.322738] ? find_get_entries_tag+0x1400/0x1400 [ 344.327588] ? __kasan_slab_free+0x102/0x150 [ 344.332015] ? kasan_slab_free+0xe/0x10 [ 344.335990] ? kmem_cache_free+0x83/0x290 [ 344.340145] ? __sigqueue_free.part.29+0x74/0x90 [ 344.344977] ? lock_acquire+0x1ed/0x520 [ 344.348971] ? ext4_filemap_fault+0x7a/0xad [ 344.353307] ? lock_release+0xa00/0xa00 [ 344.357283] ? perf_trace_sched_process_exec+0x860/0x860 [ 344.362745] ? print_usage_bug+0xc0/0xc0 [ 344.366812] ? print_usage_bug+0xc0/0xc0 [ 344.370889] ? down_read+0x8d/0x120 [ 344.374519] ? ext4_filemap_fault+0x7a/0xad [ 344.378845] ? __down_interruptible+0x700/0x700 [ 344.383528] ext4_filemap_fault+0x82/0xad [ 344.387680] __do_fault+0x100/0x6b0 [ 344.391334] ? pmd_devmap_trans_unstable+0x220/0x220 [ 344.396456] ? mark_held_locks+0x130/0x130 [ 344.400710] ? mark_held_locks+0x130/0x130 [ 344.404953] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 344.410502] ? rcu_pm_notify+0xc0/0xc0 [ 344.414398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.419963] __handle_mm_fault+0x3ea0/0x5be0 [ 344.424397] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 344.429239] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.433756] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.438338] ? trace_hardirqs_on+0xbd/0x310 [ 344.442655] ? kasan_check_read+0x11/0x20 [ 344.446851] ? __set_current_blocked+0xdf/0x120 [ 344.451523] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.456639] ? zap_class+0x640/0x640 [ 344.460354] ? zap_class+0x640/0x640 [ 344.464071] ? find_held_lock+0x36/0x1c0 [ 344.468143] ? handle_mm_fault+0x42a/0xc70 [ 344.472380] ? lock_downgrade+0x900/0x900 [ 344.476531] ? check_preemption_disabled+0x48/0x280 [ 344.481557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.486491] ? kasan_check_read+0x11/0x20 [ 344.490655] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.495936] ? rcu_softirq_qs+0x20/0x20 [ 344.499922] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.505032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.510581] ? check_preemption_disabled+0x48/0x280 [ 344.515616] handle_mm_fault+0x54f/0xc70 [ 344.519697] ? __handle_mm_fault+0x5be0/0x5be0 [ 344.524299] ? find_vma+0x34/0x190 [ 344.527847] __do_page_fault+0x5e8/0xe60 [ 344.531940] ? exit_to_usermode_loop+0x1f4/0x380 [ 344.536703] do_page_fault+0xf2/0x7e0 [ 344.540513] ? vmalloc_sync_all+0x30/0x30 [ 344.544664] ? error_entry+0x70/0xd0 [ 344.548389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.553423] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.558363] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.563295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.568146] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.573166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.578645] ? prepare_exit_to_usermode+0x291/0x3b0 [ 344.583670] ? page_fault+0x8/0x30 [ 344.587223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.592074] ? page_fault+0x8/0x30 [ 344.595617] page_fault+0x1e/0x30 [ 344.599078] RIP: 0033:0x45db60 [ 344.602315] Code: Bad RIP value. [ 344.605690] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 344.611055] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 344.618339] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 344.625624] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 344.632906] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 344.640186] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 344.647496] warn_alloc_show_mem: 1 callbacks suppressed [ 344.647508] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 344.647510] Mem-Info: [ 344.647541] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 344.647541] active_file:10 inactive_file:13 isolated_file:0 [ 344.647541] unevictable:0 dirty:0 writeback:0 unstable:0 [ 344.647541] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 344.647541] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 344.647541] free:13762 free_pcp:404 free_cma:0 [ 344.652889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.652899] Call Trace: [ 344.660202] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 344.662608] <IRQ> [ 344.695400] 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 [ 344.704777] dump_stack+0x244/0x39d [ 344.707335] lowmem_reserve[]: 0 2818 6321 6321 [ 344.734679] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.736802] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 344.762944] warn_alloc.cold.116+0xb7/0x1bd [ 344.766544] lowmem_reserve[]: 0 0 3503 3503 [ 344.771127] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.776293] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 344.803931] ? lock_downgrade+0x900/0x900 [ 344.808220] lowmem_reserve[]: 0 0 0 0 [ 344.812557] ? trace_hardirqs_off+0xb8/0x310 [ 344.817371] 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 [ 344.846353] ? trace_hardirqs_off+0xb8/0x310 [ 344.850478] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 344.854276] __alloc_pages_slowpath+0x26e8/0x2e10 [ 344.858652] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 344.872202] ? warn_alloc+0x120/0x120 [ 344.876574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 344.892024] ? warn_alloc+0x120/0x120 [ 344.896860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 344.910908] ? warn_alloc+0x120/0x120 [ 344.914695] 267 total pagecache pages [ 344.923538] ? print_usage_bug+0xc0/0xc0 [ 344.927323] 0 pages in swap cache [ 344.935896] ? idle_cpu+0x1d0/0x1d0 [ 344.939674] Swap cache stats: add 0, delete 0, find 0/0 [ 344.943478] ? kvm_sched_clock_read+0x9/0x20 [ 344.947518] Free swap = 0kB [ 344.950971] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 344.954569] Total swap = 0kB [ 344.959939] ? print_usage_bug+0xc0/0xc0 [ 344.964321] 1965979 pages RAM [ 344.967362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.972339] 0 pages HighMem/MovableOnly [ 344.972347] 342853 pages reserved [ 344.975367] ? should_fail+0x22d/0xd01 [ 344.979393] 0 pages cma reserved [ 344.979525] aoe: skb alloc failure [ 344.982554] ? __lock_acquire+0x62f/0x4c20 [ 344.988132] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.992035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.995466] syz-fuzzer cpuset=/ mems_allowed=0 [ 344.999357] ? __lock_acquire+0x62f/0x4c20 [ 345.034603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.039725] ? __lock_acquire+0x62f/0x4c20 [ 345.043987] ? should_fail+0x22d/0xd01 [ 345.047934] ? mark_held_locks+0x130/0x130 [ 345.052188] ? mark_held_locks+0x130/0x130 [ 345.056458] ? __enqueue_entity+0x10d/0x1f0 [ 345.060817] ? zap_class+0x640/0x640 [ 345.064553] ? print_usage_bug+0xc0/0xc0 [ 345.068621] ? __lock_acquire+0x62f/0x4c20 [ 345.072874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.078475] ? check_preemption_disabled+0x48/0x280 [ 345.083530] ? __lock_is_held+0xb5/0x140 [ 345.087615] __alloc_pages_nodemask+0xa80/0xde0 [ 345.092297] ? zap_class+0x640/0x640 [ 345.096024] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 345.101065] ? find_held_lock+0x36/0x1c0 [ 345.105143] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.109826] ? lock_downgrade+0x900/0x900 [ 345.113991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.119559] cache_grow_begin+0xa5/0x8c0 [ 345.123624] ? do_raw_spin_unlock+0xa7/0x330 [ 345.128050] fallback_alloc+0x204/0x2e0 [ 345.132033] ____cache_alloc_node+0x1c7/0x1e0 [ 345.136584] kmem_cache_alloc_node+0xe3/0x730 [ 345.141088] ? ipv6_get_ifaddr+0x42e/0x620 [ 345.145335] __alloc_skb+0x119/0x770 [ 345.149053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.154344] ? netdev_alloc_frag+0x1f0/0x1f0 [ 345.158763] ? lock_downgrade+0x900/0x900 [ 345.162929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.168499] ? refcount_sub_and_test_checked+0x203/0x310 [ 345.173966] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 345.179433] ? addrconf_rs_timer+0x690/0x690 [ 345.183881] ndisc_alloc_skb+0x144/0x340 [ 345.187966] ndisc_send_rs+0x331/0x6e0 [ 345.191887] addrconf_rs_timer+0x314/0x690 [ 345.196152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.200407] call_timer_fn+0x272/0x920 [ 345.204329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.208574] ? process_timeout+0x40/0x40 [ 345.212653] ? __run_timers+0x7da/0xc70 [ 345.216637] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.221175] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.225677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.229925] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.234518] ? trace_hardirqs_on+0xbd/0x310 [ 345.238849] ? kasan_check_read+0x11/0x20 [ 345.243012] ? __run_timers+0x7da/0xc70 [ 345.247008] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.252141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.256389] __run_timers+0x7e5/0xc70 [ 345.260212] ? timer_fixup_init+0x70/0x70 [ 345.264384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 345.269417] ? zap_class+0x640/0x640 [ 345.273151] ? enqueue_hrtimer+0x1a5/0x560 [ 345.277396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 345.282605] ? find_held_lock+0x36/0x1c0 [ 345.286696] ? zap_class+0x640/0x640 [ 345.290433] ? pvclock_read_flags+0x160/0x160 [ 345.294952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.300504] ? check_preemption_disabled+0x48/0x280 [ 345.305540] ? __lock_is_held+0xb5/0x140 [ 345.309617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.315167] ? check_preemption_disabled+0x48/0x280 [ 345.320201] run_timer_softirq+0x52/0xb0 [ 345.324304] ? rcu_read_lock_sched_held+0x14f/0x180 [ 345.329333] __do_softirq+0x308/0xb7e [ 345.333153] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 345.337658] ? lock_downgrade+0x900/0x900 [ 345.341818] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 345.346951] ? pvclock_read_flags+0x160/0x160 [ 345.351459] ? lapic_next_event+0x5a/0x90 [ 345.355630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.361176] ? kvm_clock_read+0x18/0x30 [ 345.365166] ? kvm_sched_clock_read+0x9/0x20 [ 345.369620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.375166] ? check_preemption_disabled+0x48/0x280 [ 345.380196] irq_exit+0x17f/0x1c0 [ 345.383665] smp_apic_timer_interrupt+0x1cb/0x760 [ 345.388533] ? smp_reschedule_interrupt+0x109/0x650 [ 345.393559] ? smp_call_function_single_interrupt+0x650/0x650 [ 345.399455] ? interrupt_entry+0xb5/0xc0 [ 345.403527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.408547] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.413570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.418419] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.423452] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.428492] ? task_prio+0x50/0x50 [ 345.432060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.437609] ? check_preemption_disabled+0x48/0x280 [ 345.442642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.447512] apic_timer_interrupt+0xf/0x20 [ 345.451741] </IRQ> [ 345.453978] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 345.458908] 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 ac [ 345.477817] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 345.485548] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 345.492817] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 345.500089] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 345.507362] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 345.514734] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 345.522050] skb_clone+0x1bb/0x500 [ 345.525597] ? finish_task_switch+0x1b4/0x910 [ 345.530142] ? skb_split+0x11e0/0x11e0 [ 345.534060] ? preempt_notifier_register+0x200/0x200 [ 345.539188] ? __switch_to_asm+0x34/0x70 [ 345.543274] ? __switch_to_asm+0x34/0x70 [ 345.547350] ? __switch_to_asm+0x40/0x70 [ 345.551417] ? __switch_to_asm+0x34/0x70 [ 345.555492] ? __switch_to_asm+0x40/0x70 [ 345.559552] ? __switch_to_asm+0x34/0x70 [ 345.563610] ? __switch_to_asm+0x40/0x70 [ 345.567669] ? __switch_to_asm+0x34/0x70 [ 345.571748] ? __switch_to_asm+0x34/0x70 [ 345.575806] ? __switch_to_asm+0x40/0x70 [ 345.579864] ? __switch_to_asm+0x34/0x70 [ 345.583934] bpf_clone_redirect+0xb9/0x490 [ 345.588173] ? __schedule+0x8d7/0x21d0 [ 345.592466] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 345.597496] ? __sched_text_start+0x8/0x8 [ 345.601648] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.606421] ? find_held_lock+0x36/0x1c0 [ 345.610499] ? lock_acquire+0x1ed/0x520 [ 345.614478] ? bpf_test_run+0x3cb/0x780 [ 345.618480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.624025] ? check_preemption_disabled+0x48/0x280 [ 345.629054] ? kasan_check_read+0x11/0x20 [ 345.633204] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.638515] ? rcu_softirq_qs+0x20/0x20 [ 345.642512] ? preempt_schedule+0x4d/0x60 [ 345.646663] ? ___preempt_schedule+0x16/0x18 [ 345.651096] ? bpf_test_run+0x25d/0x780 [ 345.655089] ? netlink_diag_dump+0x2a0/0x2a0 [ 345.659509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.665057] ? bpf_test_init.isra.10+0x70/0x100 [ 345.669733] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 345.674505] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 345.679358] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.684924] ? fput+0x130/0x1a0 [ 345.688234] ? __bpf_prog_get+0x9b/0x290 [ 345.692306] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 345.697153] ? bpf_prog_test_run+0x130/0x1a0 [ 345.701574] ? __x64_sys_bpf+0x3d8/0x520 [ 345.705644] ? bpf_prog_get+0x20/0x20 [ 345.709494] ? do_syscall_64+0x1b9/0x820 [ 345.713560] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 345.718937] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.724378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.729239] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.734281] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 345.739303] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.744345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.749195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.755164] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 345.755238] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.762097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.762103] Call Trace: [ 345.762109] <IRQ> [ 345.762131] dump_stack+0x244/0x39d [ 345.762149] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.768755] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.778029] warn_alloc.cold.116+0xb7/0x1bd [ 345.780589] syz-executor2 cpuset=syz2 mems_allowed=0 [ 345.782733] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.816221] ? lock_downgrade+0x900/0x900 [ 345.820376] ? trace_hardirqs_off+0xb8/0x310 [ 345.824790] ? trace_hardirqs_off+0xb8/0x310 [ 345.829222] __alloc_pages_slowpath+0x26e8/0x2e10 [ 345.834101] ? warn_alloc+0x120/0x120 [ 345.837940] ? warn_alloc+0x120/0x120 [ 345.841754] ? warn_alloc+0x120/0x120 [ 345.845560] ? print_usage_bug+0xc0/0xc0 [ 345.849629] ? print_usage_bug+0xc0/0xc0 [ 345.853695] ? ktime_get+0x2c1/0x400 [ 345.857421] ? check_preemption_disabled+0x48/0x280 [ 345.862449] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 345.866952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.872491] ? should_fail+0x22d/0xd01 [ 345.876384] ? kasan_check_read+0x11/0x20 [ 345.880545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.885665] ? __lock_acquire+0x62f/0x4c20 [ 345.889911] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.895016] ? should_fail+0x22d/0xd01 [ 345.898912] ? print_usage_bug+0xc0/0xc0 [ 345.902987] ? mark_held_locks+0x130/0x130 [ 345.907227] ? mark_held_locks+0x130/0x130 [ 345.911471] ? check_preemption_disabled+0x48/0x280 [ 345.916517] ? zap_class+0x640/0x640 [ 345.920237] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.925000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.930548] ? check_preemption_disabled+0x48/0x280 [ 345.935583] ? __lock_is_held+0xb5/0x140 [ 345.939670] __alloc_pages_nodemask+0xa80/0xde0 [ 345.944346] ? zap_class+0x640/0x640 [ 345.948069] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 345.953114] ? find_held_lock+0x36/0x1c0 [ 345.957187] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.961885] ? lock_downgrade+0x900/0x900 [ 345.966045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.971592] cache_grow_begin+0xa5/0x8c0 [ 345.975657] ? do_raw_spin_unlock+0xa7/0x330 [ 345.980094] fallback_alloc+0x204/0x2e0 [ 345.984107] ____cache_alloc_node+0x1c7/0x1e0 [ 345.988619] kmem_cache_alloc_node+0xe3/0x730 [ 345.993136] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.997733] __alloc_skb+0x119/0x770 [ 346.001461] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.006842] ? netdev_alloc_frag+0x1f0/0x1f0 [ 346.011277] ? vprintk_default+0x28/0x30 [ 346.015350] ? vprintk_func+0x85/0x181 [ 346.019284] ? printk+0xa7/0xcf [ 346.022579] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 346.027347] new_skb+0x26/0x1c0 [ 346.030641] aoecmd_cfg+0x279/0x7f0 [ 346.034275] ? find_held_lock+0x36/0x1c0 [ 346.038346] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 346.042681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.048251] ? __lock_is_held+0xb5/0x140 [ 346.052346] discover_timer+0x50/0x60 [ 346.056150] call_timer_fn+0x272/0x920 [ 346.060040] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.064886] ? process_timeout+0x40/0x40 [ 346.068995] ? mark_held_locks+0xc7/0x130 [ 346.073144] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.077656] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.082159] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.087010] ? lockdep_hardirqs_on+0x296/0x5b0 [ 346.091604] ? trace_hardirqs_on+0xbd/0x310 [ 346.095931] ? kasan_check_read+0x11/0x20 [ 346.100084] ? __run_timers+0x7da/0xc70 [ 346.104064] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.109200] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 346.114050] __run_timers+0x7e5/0xc70 [ 346.117880] ? timer_fixup_init+0x70/0x70 [ 346.122034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 346.127065] ? zap_class+0x640/0x640 [ 346.130791] ? print_usage_bug+0xc0/0xc0 [ 346.134876] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 346.140079] ? find_held_lock+0x36/0x1c0 [ 346.144176] ? zap_class+0x640/0x640 [ 346.147899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.153438] ? check_preemption_disabled+0x48/0x280 [ 346.158495] ? __lock_is_held+0xb5/0x140 [ 346.162565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.168107] ? check_preemption_disabled+0x48/0x280 [ 346.173134] run_timer_softirq+0x52/0xb0 [ 346.177202] ? rcu_read_lock_sched_held+0x14f/0x180 [ 346.182226] __do_softirq+0x308/0xb7e [ 346.186033] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 346.190532] ? lock_downgrade+0x900/0x900 [ 346.194691] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 346.199814] ? pvclock_read_flags+0x160/0x160 [ 346.204323] ? lapic_next_event+0x5a/0x90 [ 346.208487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.214058] ? kvm_clock_read+0x18/0x30 [ 346.218036] ? kvm_sched_clock_read+0x9/0x20 [ 346.222461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.228011] ? check_preemption_disabled+0x48/0x280 [ 346.233046] irq_exit+0x17f/0x1c0 [ 346.236536] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.241380] ? smp_reschedule_interrupt+0x109/0x650 [ 346.246402] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.252292] ? interrupt_entry+0xb5/0xc0 [ 346.256358] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.261381] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.266403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.271319] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.276360] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.281412] ? task_prio+0x50/0x50 [ 346.284974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.290534] ? check_preemption_disabled+0x48/0x280 [ 346.295578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.300433] apic_timer_interrupt+0xf/0x20 [ 346.304671] </IRQ> [ 346.306909] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 346.312100] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 346.331013] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 346.338736] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 346.346048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 346.353327] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 346.360603] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 346.367876] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 346.375201] retint_kernel+0x1b/0x2d [ 346.378945] RIP: 0010:dump_stack+0x358/0x39d [ 346.383361] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 346.402269] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 346.409983] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 346.417256] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 346.424532] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 346.431809] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 346.439083] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 346.446378] ? dump_stack+0x34f/0x39d [ 346.450188] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.455384] ? mark_held_locks+0x130/0x130 [ 346.459629] ? mark_held_locks+0x130/0x130 [ 346.463876] dump_header+0x27b/0xf72 [ 346.467642] ? pagefault_out_of_memory+0x197/0x197 [ 346.472581] ? __lock_acquire+0x62f/0x4c20 [ 346.476817] ? percpu_ref_get_many+0x240/0x240 [ 346.481400] ? print_usage_bug+0xc0/0xc0 [ 346.485472] ? zap_class+0x640/0x640 [ 346.489188] ? print_usage_bug+0xc0/0xc0 [ 346.493242] ? print_usage_bug+0xc0/0xc0 [ 346.497305] ? zap_class+0x640/0x640 [ 346.501052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.506649] ? find_held_lock+0x36/0x1c0 [ 346.510726] ? mark_held_locks+0xc7/0x130 [ 346.514891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.519989] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.525092] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 346.529678] ? trace_hardirqs_on+0xbd/0x310 [ 346.534004] ? kasan_check_read+0x11/0x20 [ 346.538157] ? ___ratelimit+0x3b4/0x672 [ 346.542140] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.547245] ? trace_hardirqs_on+0x310/0x310 [ 346.551656] ? lock_downgrade+0x900/0x900 [ 346.555808] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.560924] ? ___ratelimit+0x3b9/0x672 [ 346.564901] ? idr_get_free+0xf70/0xf70 [ 346.568873] ? find_held_lock+0x36/0x1c0 [ 346.572940] oom_kill_process.cold.27+0x10/0x903 [ 346.577696] ? zap_class+0x640/0x640 [ 346.581419] ? check_preemption_disabled+0x48/0x280 [ 346.586469] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.591398] ? kasan_check_read+0x11/0x20 [ 346.595548] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.600827] ? oom_evaluate_task+0x540/0x540 [ 346.605237] ? find_held_lock+0x36/0x1c0 [ 346.609306] ? out_of_memory+0x974/0x1430 [ 346.613456] ? lock_downgrade+0x900/0x900 [ 346.617605] ? check_preemption_disabled+0x48/0x280 [ 346.622625] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.627569] ? kasan_check_read+0x11/0x20 [ 346.631763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.637039] ? rcu_softirq_qs+0x20/0x20 [ 346.641018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.646572] ? oom_evaluate_task+0x302/0x540 [ 346.650986] out_of_memory+0xa84/0x1430 [ 346.654969] ? oom_killer_disable+0x3a0/0x3a0 [ 346.659469] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 346.664402] ? __ww_mutex_check_waiters+0x160/0x160 [ 346.669433] __alloc_pages_slowpath+0x2354/0x2e10 [ 346.674317] ? warn_alloc+0x120/0x120 [ 346.678121] ? mark_held_locks+0x130/0x130 [ 346.682365] ? find_get_entry+0xaae/0x1120 [ 346.686609] ? filemap_map_pages+0x1a20/0x1a20 [ 346.691200] ? zap_class+0x640/0x640 [ 346.694945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.700486] ? check_preemption_disabled+0x48/0x280 [ 346.705509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.711055] ? should_fail+0x22d/0xd01 [ 346.714951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.720059] ? zap_class+0x640/0x640 [ 346.723801] ? __lock_is_held+0xb5/0x140 [ 346.727907] ? mark_held_locks+0x130/0x130 [ 346.732152] ? lock_release+0xa00/0xa00 [ 346.736152] ? perf_trace_sched_process_exec+0x860/0x860 [ 346.741620] ? xa_load+0x2ba/0x460 [ 346.745180] ? lock_downgrade+0x900/0x900 [ 346.749334] ? __might_sleep+0x95/0x190 [ 346.753313] __alloc_pages_nodemask+0xa80/0xde0 [ 346.758006] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 346.763047] ? __page_cache_alloc+0x191/0x5c0 [ 346.767545] ? xa_load+0x2e1/0x460 [ 346.771086] ? xa_clear_mark+0x40/0x40 [ 346.774993] ? zap_class+0x640/0x640 [ 346.778763] ? zap_class+0x640/0x640 [ 346.782503] ? zap_class+0x640/0x640 [ 346.786219] ? __do_page_cache_readahead+0x663/0x810 [ 346.791334] ? find_held_lock+0x36/0x1c0 [ 346.795402] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 346.800971] alloc_pages_current+0x173/0x350 [ 346.805387] __page_cache_alloc+0x38c/0x5c0 [ 346.809706] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.814656] ? kasan_check_read+0x11/0x20 [ 346.818809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.824110] ? generic_perform_write+0x6a0/0x6a0 [ 346.828903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.834471] ? check_preemption_disabled+0x48/0x280 [ 346.839504] filemap_fault+0x1595/0x25f0 [ 346.843587] ? __lock_page_or_retry+0xa00/0xa00 [ 346.848281] ? mark_held_locks+0x130/0x130 [ 346.852527] ? filemap_map_pages+0xd6b/0x1a20 [ 346.857030] ? lock_downgrade+0x900/0x900 [ 346.861184] ? check_preemption_disabled+0x48/0x280 [ 346.866218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 346.871165] ? kasan_check_read+0x11/0x20 [ 346.875317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.880598] ? rcu_softirq_qs+0x20/0x20 [ 346.884592] ? filemap_map_pages+0xd92/0x1a20 [ 346.889098] ? print_usage_bug+0xc0/0xc0 [ 346.893242] ? find_get_entries_tag+0x1400/0x1400 [ 346.898091] ? __kasan_slab_free+0x102/0x150 [ 346.902498] ? kasan_slab_free+0xe/0x10 [ 346.906479] ? kmem_cache_free+0x83/0x290 [ 346.910628] ? __sigqueue_free.part.29+0x74/0x90 [ 346.915405] ? lock_acquire+0x1ed/0x520 [ 346.919388] ? ext4_filemap_fault+0x7a/0xad [ 346.923730] ? lock_release+0xa00/0xa00 [ 346.927703] ? perf_trace_sched_process_exec+0x860/0x860 [ 346.933166] ? print_usage_bug+0xc0/0xc0 [ 346.937242] ? print_usage_bug+0xc0/0xc0 [ 346.941321] ? down_read+0x8d/0x120 [ 346.944946] ? ext4_filemap_fault+0x7a/0xad [ 346.949276] ? __down_interruptible+0x700/0x700 [ 346.953955] ext4_filemap_fault+0x82/0xad [ 346.958161] __do_fault+0x100/0x6b0 [ 346.961794] ? pmd_devmap_trans_unstable+0x220/0x220 [ 346.966903] ? mark_held_locks+0x130/0x130 [ 346.971140] ? mark_held_locks+0x130/0x130 [ 346.975377] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 346.980934] ? rcu_pm_notify+0xc0/0xc0 [ 346.984846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.990437] __handle_mm_fault+0x3ea0/0x5be0 [ 346.994889] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 346.999750] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.004249] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.008833] ? trace_hardirqs_on+0xbd/0x310 [ 347.013184] ? kasan_check_read+0x11/0x20 [ 347.017327] ? __set_current_blocked+0xdf/0x120 [ 347.021994] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.027105] ? zap_class+0x640/0x640 [ 347.030823] ? zap_class+0x640/0x640 [ 347.034545] ? find_held_lock+0x36/0x1c0 [ 347.038617] ? handle_mm_fault+0x42a/0xc70 [ 347.042879] ? lock_downgrade+0x900/0x900 [ 347.047043] ? check_preemption_disabled+0x48/0x280 [ 347.052064] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.057027] ? kasan_check_read+0x11/0x20 [ 347.061194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.066483] ? rcu_softirq_qs+0x20/0x20 [ 347.070467] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.075611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.081152] ? check_preemption_disabled+0x48/0x280 [ 347.086180] handle_mm_fault+0x54f/0xc70 [ 347.090247] ? __handle_mm_fault+0x5be0/0x5be0 [ 347.094840] ? find_vma+0x34/0x190 [ 347.098404] __do_page_fault+0x5e8/0xe60 [ 347.102476] ? exit_to_usermode_loop+0x1f4/0x380 [ 347.107245] do_page_fault+0xf2/0x7e0 [ 347.111074] ? vmalloc_sync_all+0x30/0x30 [ 347.115228] ? error_entry+0x70/0xd0 [ 347.118962] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.123998] ? trace_hardirqs_on_caller+0xc0/0x310 [ 347.128947] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.133891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.138741] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.143759] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.149216] ? prepare_exit_to_usermode+0x291/0x3b0 [ 347.154233] ? page_fault+0x8/0x30 [ 347.157777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.162623] ? page_fault+0x8/0x30 [ 347.166169] page_fault+0x1e/0x30 [ 347.169639] RIP: 0033:0x45db60 [ 347.172848] Code: Bad RIP value. [ 347.176237] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 347.181596] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 347.188888] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 347.196160] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 347.203450] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 347.210725] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 347.218019] warn_alloc_show_mem: 1 callbacks suppressed [ 347.218030] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 347.218032] Mem-Info: [ 347.218062] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 347.218062] active_file:10 inactive_file:13 isolated_file:0 [ 347.218062] unevictable:0 dirty:0 writeback:0 unstable:0 [ 347.218062] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 347.218062] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 347.218062] free:13762 free_pcp:404 free_cma:0 [ 347.223405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.230685] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 347.233081] Call Trace: [ 347.265870] 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 [ 347.275226] <IRQ> [ 347.302541] lowmem_reserve[]: 0 2818 6321 6321 [ 347.305129] dump_stack+0x244/0x39d [ 347.331234] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 347.333396] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.337940] lowmem_reserve[]: 0 0 3503 3503 [ 347.341574] warn_alloc.cold.116+0xb7/0x1bd [ 347.369046] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 347.374244] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.378538] lowmem_reserve[]: 0 0 0 0 [ 347.382865] ? lock_downgrade+0x900/0x900 [ 347.411815] 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 [ 347.416680] ? trace_hardirqs_off+0xb8/0x310 [ 347.420466] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 347.424605] ? trace_hardirqs_off+0xb8/0x310 [ 347.438108] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 347.442557] __alloc_pages_slowpath+0x26e8/0x2e10 [ 347.457968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 347.462392] ? warn_alloc+0x120/0x120 [ 347.476413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 347.481253] ? print_usage_bug+0xc0/0xc0 [ 347.490075] 267 total pagecache pages [ 347.493876] ? warn_alloc+0x120/0x120 [ 347.502429] 0 pages in swap cache [ 347.506487] ? warn_alloc+0x120/0x120 [ 347.510259] Swap cache stats: add 0, delete 0, find 0/0 [ 347.514048] ? print_usage_bug+0xc0/0xc0 [ 347.517470] Free swap = 0kB [ 347.521260] ? kvm_clock_read+0x18/0x30 [ 347.526593] Total swap = 0kB [ 347.530646] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 347.533636] 1965979 pages RAM [ 347.537618] ? print_usage_bug+0xc0/0xc0 [ 347.540607] 0 pages HighMem/MovableOnly [ 347.545627] ? __lock_acquire+0x62f/0x4c20 [ 347.548731] 342853 pages reserved [ 347.552790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.556742] 0 pages cma reserved [ 347.560987] ? should_fail+0x22d/0xd01 [ 347.564485] aoe: skb alloc failure [ 347.569941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.569959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.569974] ? __lock_acquire+0x62f/0x4c20 [ 347.569993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.573370] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.577211] ? __lock_acquire+0x62f/0x4c20 [ 347.580731] syz-fuzzer cpuset=/ mems_allowed=0 [ 347.586000] ? should_fail+0x22d/0xd01 [ 347.623767] ? rcu_irq_exit+0x1a2/0x390 [ 347.627799] ? mark_held_locks+0x130/0x130 [ 347.632051] ? mark_held_locks+0x130/0x130 [ 347.636295] ? mark_held_locks+0xc7/0x130 [ 347.640494] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 347.645518] ? zap_class+0x640/0x640 [ 347.649258] ? print_usage_bug+0xc0/0xc0 [ 347.653325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.658869] ? check_preemption_disabled+0x48/0x280 [ 347.663898] ? __lock_is_held+0xb5/0x140 [ 347.667979] __alloc_pages_nodemask+0xa80/0xde0 [ 347.672667] ? zap_class+0x640/0x640 [ 347.676386] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 347.681413] ? find_held_lock+0x36/0x1c0 [ 347.685496] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.690180] ? lock_downgrade+0x900/0x900 [ 347.694340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.699885] cache_grow_begin+0xa5/0x8c0 [ 347.703955] ? do_raw_spin_unlock+0xa7/0x330 [ 347.708378] fallback_alloc+0x204/0x2e0 [ 347.712376] ____cache_alloc_node+0x1c7/0x1e0 [ 347.716894] kmem_cache_alloc_node+0xe3/0x730 [ 347.721390] ? ipv6_get_ifaddr+0x42e/0x620 [ 347.726174] __alloc_skb+0x119/0x770 [ 347.729889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.735205] ? netdev_alloc_frag+0x1f0/0x1f0 [ 347.739623] ? lock_downgrade+0x900/0x900 [ 347.743784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.749322] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.754781] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.760253] ? addrconf_rs_timer+0x690/0x690 [ 347.764703] ndisc_alloc_skb+0x144/0x340 [ 347.768775] ndisc_send_rs+0x331/0x6e0 [ 347.772693] addrconf_rs_timer+0x314/0x690 [ 347.776938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.781188] call_timer_fn+0x272/0x920 [ 347.785083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.789325] ? process_timeout+0x40/0x40 [ 347.793412] ? __run_timers+0x7da/0xc70 [ 347.797396] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.801916] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.806452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.810691] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.815280] ? trace_hardirqs_on+0xbd/0x310 [ 347.819623] ? kasan_check_read+0x11/0x20 [ 347.823774] ? __run_timers+0x7da/0xc70 [ 347.827750] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.832865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.837108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.841349] __run_timers+0x7e5/0xc70 [ 347.845163] ? timer_fixup_init+0x70/0x70 [ 347.849330] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 347.854352] ? zap_class+0x640/0x640 [ 347.858077] ? enqueue_hrtimer+0x1a5/0x560 [ 347.862317] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 347.867519] ? find_held_lock+0x36/0x1c0 [ 347.871606] ? zap_class+0x640/0x640 [ 347.875328] ? pvclock_read_flags+0x160/0x160 [ 347.879828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.885369] ? check_preemption_disabled+0x48/0x280 [ 347.890398] ? __lock_is_held+0xb5/0x140 [ 347.894498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.900038] ? check_preemption_disabled+0x48/0x280 [ 347.905064] run_timer_softirq+0x52/0xb0 [ 347.909128] ? rcu_read_lock_sched_held+0x14f/0x180 [ 347.914150] __do_softirq+0x308/0xb7e [ 347.917971] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 347.922475] ? lock_downgrade+0x900/0x900 [ 347.926634] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 347.931764] ? pvclock_read_flags+0x160/0x160 [ 347.936265] ? lapic_next_event+0x5a/0x90 [ 347.940417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.945971] ? kvm_clock_read+0x18/0x30 [ 347.949960] ? kvm_sched_clock_read+0x9/0x20 [ 347.954386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.959931] ? check_preemption_disabled+0x48/0x280 [ 347.964974] irq_exit+0x17f/0x1c0 [ 347.968436] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.973288] ? smp_reschedule_interrupt+0x109/0x650 [ 347.978304] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.984205] ? interrupt_entry+0xb5/0xc0 [ 347.988274] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.993289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.998326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.003174] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.008195] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.013213] ? task_prio+0x50/0x50 [ 348.016768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.022306] ? check_preemption_disabled+0x48/0x280 [ 348.027343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.032203] apic_timer_interrupt+0xf/0x20 [ 348.036455] </IRQ> [ 348.038699] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 348.043633] 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 ac [ 348.062545] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 348.070259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 348.077528] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 348.084797] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 348.092068] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 348.099337] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 348.106656] skb_clone+0x1bb/0x500 [ 348.110203] ? finish_task_switch+0x1b4/0x910 [ 348.114705] ? skb_split+0x11e0/0x11e0 [ 348.118616] ? preempt_notifier_register+0x200/0x200 [ 348.123716] ? __switch_to_asm+0x34/0x70 [ 348.127791] ? __switch_to_asm+0x34/0x70 [ 348.131879] ? __switch_to_asm+0x40/0x70 [ 348.135938] ? __switch_to_asm+0x34/0x70 [ 348.140015] ? __switch_to_asm+0x40/0x70 [ 348.144076] ? __switch_to_asm+0x34/0x70 [ 348.148134] ? __switch_to_asm+0x40/0x70 [ 348.152195] ? __switch_to_asm+0x34/0x70 [ 348.156260] ? __switch_to_asm+0x34/0x70 [ 348.160316] ? __switch_to_asm+0x40/0x70 [ 348.164370] ? __switch_to_asm+0x34/0x70 [ 348.168438] bpf_clone_redirect+0xb9/0x490 [ 348.172683] ? __schedule+0x8d7/0x21d0 [ 348.176577] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 348.181595] ? __sched_text_start+0x8/0x8 [ 348.185753] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.190525] ? find_held_lock+0x36/0x1c0 [ 348.194601] ? lock_acquire+0x1ed/0x520 [ 348.198580] ? bpf_test_run+0x3cb/0x780 [ 348.202559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.208114] ? check_preemption_disabled+0x48/0x280 [ 348.213142] ? kasan_check_read+0x11/0x20 [ 348.217307] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.222586] ? rcu_softirq_qs+0x20/0x20 [ 348.226566] ? preempt_schedule+0x4d/0x60 [ 348.230716] ? ___preempt_schedule+0x16/0x18 [ 348.235149] ? bpf_test_run+0x25d/0x780 [ 348.239137] ? netlink_diag_dump+0x2a0/0x2a0 [ 348.243548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.249084] ? bpf_test_init.isra.10+0x70/0x100 [ 348.253764] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 348.258533] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.263376] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.268937] ? fput+0x130/0x1a0 [ 348.272235] ? __bpf_prog_get+0x9b/0x290 [ 348.276305] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.281168] ? bpf_prog_test_run+0x130/0x1a0 [ 348.285609] ? __x64_sys_bpf+0x3d8/0x520 [ 348.289674] ? bpf_prog_get+0x20/0x20 [ 348.293501] ? do_syscall_64+0x1b9/0x820 [ 348.297568] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 348.302948] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.307882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.312740] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.317768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 348.322795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.327833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.332687] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.338089] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 348.338200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.345055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.345066] Call Trace: [ 348.351728] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.360935] <IRQ> [ 348.363509] syz-executor2 cpuset=syz2 mems_allowed=0 [ 348.374004] dump_stack+0x244/0x39d [ 348.384865] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.390082] warn_alloc.cold.116+0xb7/0x1bd [ 348.394415] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.399280] ? lock_downgrade+0x900/0x900 [ 348.403455] ? trace_hardirqs_off+0xb8/0x310 [ 348.407879] ? trace_hardirqs_off+0xb8/0x310 [ 348.412307] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.417189] ? warn_alloc+0x120/0x120 [ 348.421000] ? warn_alloc+0x120/0x120 [ 348.424811] ? __lock_acquire+0x62f/0x4c20 [ 348.429055] ? warn_alloc+0x120/0x120 [ 348.432865] ? print_usage_bug+0xc0/0xc0 [ 348.436934] ? print_usage_bug+0xc0/0xc0 [ 348.440999] ? mark_held_locks+0x130/0x130 [ 348.445244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.450788] ? should_fail+0x22d/0xd01 [ 348.454681] ? zap_class+0x640/0x640 [ 348.458410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.463531] ? __lock_acquire+0x62f/0x4c20 [ 348.467777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.472885] ? should_fail+0x22d/0xd01 [ 348.476795] ? mark_held_locks+0x130/0x130 [ 348.481033] ? mark_held_locks+0x130/0x130 [ 348.485268] ? lock_downgrade+0x900/0x900 [ 348.489417] ? zap_class+0x640/0x640 [ 348.493144] ? zap_class+0x640/0x640 [ 348.496858] ? zap_class+0x640/0x640 [ 348.500575] ? do_raw_spin_unlock+0xa7/0x330 [ 348.504986] ? trace_hardirqs_on+0x310/0x310 [ 348.509403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.514942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.520484] ? check_preemption_disabled+0x48/0x280 [ 348.525516] ? __lock_is_held+0xb5/0x140 [ 348.529599] __alloc_pages_nodemask+0xa80/0xde0 [ 348.534270] ? zap_class+0x640/0x640 [ 348.537995] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 348.543026] ? find_held_lock+0x36/0x1c0 [ 348.547100] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.551770] ? lock_downgrade+0x900/0x900 [ 348.555926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.561493] cache_grow_begin+0xa5/0x8c0 [ 348.565573] ? do_raw_spin_unlock+0xa7/0x330 [ 348.569992] fallback_alloc+0x204/0x2e0 [ 348.573975] ____cache_alloc_node+0x1c7/0x1e0 [ 348.578487] kmem_cache_alloc_node+0xe3/0x730 [ 348.582992] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.587584] __alloc_skb+0x119/0x770 [ 348.591299] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.596687] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.601108] ? vprintk_default+0x28/0x30 [ 348.605200] ? vprintk_func+0x85/0x181 [ 348.609090] ? printk+0xa7/0xcf [ 348.612372] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 348.617156] new_skb+0x26/0x1c0 [ 348.620435] aoecmd_cfg+0x279/0x7f0 [ 348.624073] ? find_held_lock+0x36/0x1c0 [ 348.628154] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 348.632487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.638037] ? __lock_is_held+0xb5/0x140 [ 348.642116] discover_timer+0x50/0x60 [ 348.645918] call_timer_fn+0x272/0x920 [ 348.649830] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.654692] ? process_timeout+0x40/0x40 [ 348.658774] ? mark_held_locks+0xc7/0x130 [ 348.662929] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.667438] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.671959] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.676809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.681412] ? trace_hardirqs_on+0xbd/0x310 [ 348.685751] ? kasan_check_read+0x11/0x20 [ 348.689916] ? __run_timers+0x7da/0xc70 [ 348.693909] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.699041] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 348.703887] __run_timers+0x7e5/0xc70 [ 348.707704] ? timer_fixup_init+0x70/0x70 [ 348.711865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.716892] ? zap_class+0x640/0x640 [ 348.720634] ? print_usage_bug+0xc0/0xc0 [ 348.724699] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 348.729919] ? find_held_lock+0x36/0x1c0 [ 348.733987] ? zap_class+0x640/0x640 [ 348.737708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.743255] ? check_preemption_disabled+0x48/0x280 [ 348.748285] ? __lock_is_held+0xb5/0x140 [ 348.752347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.757886] ? check_preemption_disabled+0x48/0x280 [ 348.762911] run_timer_softirq+0x52/0xb0 [ 348.766989] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.772013] __do_softirq+0x308/0xb7e [ 348.775824] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 348.780322] ? lock_downgrade+0x900/0x900 [ 348.784480] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.789610] ? pvclock_read_flags+0x160/0x160 [ 348.794111] ? lapic_next_event+0x5a/0x90 [ 348.798264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.803811] ? kvm_clock_read+0x18/0x30 [ 348.807792] ? kvm_sched_clock_read+0x9/0x20 [ 348.812222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.817790] ? check_preemption_disabled+0x48/0x280 [ 348.822823] irq_exit+0x17f/0x1c0 [ 348.826280] smp_apic_timer_interrupt+0x1cb/0x760 [ 348.831127] ? smp_reschedule_interrupt+0x109/0x650 [ 348.836168] ? smp_call_function_single_interrupt+0x650/0x650 [ 348.842062] ? interrupt_entry+0xb5/0xc0 [ 348.846131] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.851151] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.856176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.861030] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.866049] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.871099] ? task_prio+0x50/0x50 [ 348.874645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.880184] ? check_preemption_disabled+0x48/0x280 [ 348.885209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.890064] apic_timer_interrupt+0xf/0x20 [ 348.894293] </IRQ> [ 348.896549] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 348.901757] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 348.920670] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 348.928387] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 348.935719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 348.943036] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 348.950313] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 348.957589] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 348.964921] retint_kernel+0x1b/0x2d [ 348.968654] RIP: 0010:dump_stack+0x358/0x39d [ 348.973065] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 348.991984] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 348.999701] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 349.006977] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 349.014247] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 349.021516] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 349.028787] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 349.036131] ? dump_stack+0x34f/0x39d [ 349.039956] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.045169] ? mark_held_locks+0x130/0x130 [ 349.049408] ? mark_held_locks+0x130/0x130 [ 349.053653] dump_header+0x27b/0xf72 [ 349.057396] ? pagefault_out_of_memory+0x197/0x197 [ 349.062335] ? __lock_acquire+0x62f/0x4c20 [ 349.066572] ? percpu_ref_get_many+0x240/0x240 [ 349.071158] ? print_usage_bug+0xc0/0xc0 [ 349.075226] ? zap_class+0x640/0x640 [ 349.078945] ? print_usage_bug+0xc0/0xc0 [ 349.083019] ? print_usage_bug+0xc0/0xc0 [ 349.087083] ? zap_class+0x640/0x640 [ 349.090804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.096349] ? find_held_lock+0x36/0x1c0 [ 349.100424] ? mark_held_locks+0xc7/0x130 [ 349.104582] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.109684] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.114825] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.119417] ? trace_hardirqs_on+0xbd/0x310 [ 349.123754] ? kasan_check_read+0x11/0x20 [ 349.127919] ? ___ratelimit+0x3b4/0x672 [ 349.131905] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.137012] ? trace_hardirqs_on+0x310/0x310 [ 349.141428] ? lock_downgrade+0x900/0x900 [ 349.145595] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.150701] ? ___ratelimit+0x3b9/0x672 [ 349.154687] ? idr_get_free+0xf70/0xf70 [ 349.158680] ? find_held_lock+0x36/0x1c0 [ 349.162758] oom_kill_process.cold.27+0x10/0x903 [ 349.167548] ? zap_class+0x640/0x640 [ 349.171265] ? check_preemption_disabled+0x48/0x280 [ 349.176319] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.181269] ? kasan_check_read+0x11/0x20 [ 349.185421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.190746] ? oom_evaluate_task+0x540/0x540 [ 349.195163] ? find_held_lock+0x36/0x1c0 [ 349.199240] ? out_of_memory+0x974/0x1430 [ 349.203393] ? lock_downgrade+0x900/0x900 [ 349.207548] ? check_preemption_disabled+0x48/0x280 [ 349.212570] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.217502] ? kasan_check_read+0x11/0x20 [ 349.221652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.226931] ? rcu_softirq_qs+0x20/0x20 [ 349.230956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.236525] ? oom_evaluate_task+0x302/0x540 [ 349.240945] out_of_memory+0xa84/0x1430 [ 349.244933] ? oom_killer_disable+0x3a0/0x3a0 [ 349.249487] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 349.254424] ? __ww_mutex_check_waiters+0x160/0x160 [ 349.259470] __alloc_pages_slowpath+0x2354/0x2e10 [ 349.264346] ? warn_alloc+0x120/0x120 [ 349.268147] ? mark_held_locks+0x130/0x130 [ 349.272392] ? find_get_entry+0xaae/0x1120 [ 349.276636] ? filemap_map_pages+0x1a20/0x1a20 [ 349.281239] ? zap_class+0x640/0x640 [ 349.284961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.290511] ? check_preemption_disabled+0x48/0x280 [ 349.295549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.301106] ? should_fail+0x22d/0xd01 [ 349.305002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.310134] ? zap_class+0x640/0x640 [ 349.313919] ? __lock_is_held+0xb5/0x140 [ 349.317990] ? mark_held_locks+0x130/0x130 [ 349.322227] ? lock_release+0xa00/0xa00 [ 349.326202] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.331658] ? xa_load+0x2ba/0x460 [ 349.335201] ? lock_downgrade+0x900/0x900 [ 349.339356] ? __might_sleep+0x95/0x190 [ 349.343338] __alloc_pages_nodemask+0xa80/0xde0 [ 349.348018] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.353036] ? __page_cache_alloc+0x191/0x5c0 [ 349.357530] ? xa_load+0x2e1/0x460 [ 349.361083] ? xa_clear_mark+0x40/0x40 [ 349.364975] ? zap_class+0x640/0x640 [ 349.368699] ? zap_class+0x640/0x640 [ 349.372420] ? zap_class+0x640/0x640 [ 349.376144] ? __do_page_cache_readahead+0x663/0x810 [ 349.381255] ? find_held_lock+0x36/0x1c0 [ 349.385326] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 349.390875] alloc_pages_current+0x173/0x350 [ 349.395292] __page_cache_alloc+0x38c/0x5c0 [ 349.399610] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.404539] ? kasan_check_read+0x11/0x20 [ 349.408702] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.413987] ? generic_perform_write+0x6a0/0x6a0 [ 349.418748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.424299] ? check_preemption_disabled+0x48/0x280 [ 349.429326] filemap_fault+0x1595/0x25f0 [ 349.433415] ? __lock_page_or_retry+0xa00/0xa00 [ 349.438097] ? mark_held_locks+0x130/0x130 [ 349.442341] ? filemap_map_pages+0xd6b/0x1a20 [ 349.446848] ? lock_downgrade+0x900/0x900 [ 349.451012] ? check_preemption_disabled+0x48/0x280 [ 349.456031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.460972] ? kasan_check_read+0x11/0x20 [ 349.465115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.470388] ? rcu_softirq_qs+0x20/0x20 [ 349.474381] ? filemap_map_pages+0xd92/0x1a20 [ 349.478881] ? print_usage_bug+0xc0/0xc0 [ 349.482975] ? find_get_entries_tag+0x1400/0x1400 [ 349.487816] ? __kasan_slab_free+0x102/0x150 [ 349.492242] ? kasan_slab_free+0xe/0x10 [ 349.496216] ? kmem_cache_free+0x83/0x290 [ 349.500363] ? __sigqueue_free.part.29+0x74/0x90 [ 349.505140] ? lock_acquire+0x1ed/0x520 [ 349.509146] ? ext4_filemap_fault+0x7a/0xad [ 349.513492] ? lock_release+0xa00/0xa00 [ 349.517469] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.522927] ? print_usage_bug+0xc0/0xc0 [ 349.526995] ? print_usage_bug+0xc0/0xc0 [ 349.531072] ? down_read+0x8d/0x120 [ 349.534696] ? ext4_filemap_fault+0x7a/0xad [ 349.539029] ? __down_interruptible+0x700/0x700 [ 349.543712] ext4_filemap_fault+0x82/0xad [ 349.547872] __do_fault+0x100/0x6b0 [ 349.551515] ? pmd_devmap_trans_unstable+0x220/0x220 [ 349.556640] ? mark_held_locks+0x130/0x130 [ 349.560881] ? mark_held_locks+0x130/0x130 [ 349.565122] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 349.570665] ? rcu_pm_notify+0xc0/0xc0 [ 349.574563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.580108] __handle_mm_fault+0x3ea0/0x5be0 [ 349.584546] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 349.589388] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.594353] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.598941] ? trace_hardirqs_on+0xbd/0x310 [ 349.603267] ? kasan_check_read+0x11/0x20 [ 349.607416] ? __set_current_blocked+0xdf/0x120 [ 349.612099] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.617219] ? zap_class+0x640/0x640 [ 349.620933] ? zap_class+0x640/0x640 [ 349.624655] ? find_held_lock+0x36/0x1c0 [ 349.628733] ? handle_mm_fault+0x42a/0xc70 [ 349.632975] ? lock_downgrade+0x900/0x900 [ 349.637135] ? check_preemption_disabled+0x48/0x280 [ 349.642190] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.647123] ? kasan_check_read+0x11/0x20 [ 349.651276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.656559] ? rcu_softirq_qs+0x20/0x20 [ 349.660542] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.665668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.671214] ? check_preemption_disabled+0x48/0x280 [ 349.676265] handle_mm_fault+0x54f/0xc70 [ 349.680336] ? __handle_mm_fault+0x5be0/0x5be0 [ 349.684929] ? find_vma+0x34/0x190 [ 349.688484] __do_page_fault+0x5e8/0xe60 [ 349.692552] ? exit_to_usermode_loop+0x1f4/0x380 [ 349.697326] do_page_fault+0xf2/0x7e0 [ 349.701134] ? vmalloc_sync_all+0x30/0x30 [ 349.705290] ? error_entry+0x70/0xd0 [ 349.709007] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.714030] ? trace_hardirqs_on_caller+0xc0/0x310 [ 349.718966] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.724071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.728935] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.733956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.739417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 349.744464] ? page_fault+0x8/0x30 [ 349.748027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.752907] ? page_fault+0x8/0x30 [ 349.756457] page_fault+0x1e/0x30 [ 349.759915] RIP: 0033:0x45db60 [ 349.763160] Code: Bad RIP value. [ 349.766531] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 349.771892] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 349.779176] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 349.786452] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 349.793731] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 349.801017] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 349.808344] warn_alloc_show_mem: 1 callbacks suppressed [ 349.808356] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 349.808358] Mem-Info: [ 349.808388] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 349.808388] active_file:10 inactive_file:13 isolated_file:0 [ 349.808388] unevictable:0 dirty:0 writeback:0 unstable:0 [ 349.808388] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 349.808388] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 349.808388] free:13762 free_pcp:404 free_cma:0 [ 349.813727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.813737] Call Trace: [ 349.821037] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 349.823437] <IRQ> [ 349.856225] 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 [ 349.865604] dump_stack+0x244/0x39d [ 349.868170] lowmem_reserve[]: 0 2818 6321 6321 [ 349.895511] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.897634] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 349.923757] warn_alloc.cold.116+0xb7/0x1bd [ 349.927367] lowmem_reserve[]: 0 0 3503 3503 [ 349.931961] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.937124] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 349.964631] ? lock_downgrade+0x900/0x900 [ 349.968934] lowmem_reserve[]: 0 0 0 0 [ 349.973282] ? trace_hardirqs_off+0xb8/0x310 [ 349.978092] 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 [ 350.007086] ? trace_hardirqs_off+0xb8/0x310 [ 350.011205] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 350.015008] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.019377] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 350.032945] ? warn_alloc+0x120/0x120 [ 350.037312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.052750] ? print_usage_bug+0xc0/0xc0 [ 350.057575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.071623] ? warn_alloc+0x120/0x120 [ 350.075397] 267 total pagecache pages [ 350.084239] ? warn_alloc+0x120/0x120 [ 350.088280] 0 pages in swap cache [ 350.096864] ? print_usage_bug+0xc0/0xc0 [ 350.100642] Swap cache stats: add 0, delete 0, find 0/0 [ 350.104432] ? kvm_clock_read+0x18/0x30 [ 350.108210] Free swap = 0kB [ 350.111661] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 350.115692] Total swap = 0kB [ 350.121051] ? print_usage_bug+0xc0/0xc0 [ 350.125001] 1965979 pages RAM [ 350.128015] ? __lock_acquire+0x62f/0x4c20 [ 350.133005] 0 pages HighMem/MovableOnly [ 350.136026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.140055] 342853 pages reserved [ 350.143157] ? should_fail+0x22d/0xd01 [ 350.147371] 0 pages cma reserved [ 350.147441] aoe: skb alloc failure [ 350.151352] ? __lock_acquire+0x62f/0x4c20 [ 350.156904] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.160316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.164179] syz-fuzzer cpuset=/ mems_allowed=0 [ 350.167541] ? __lock_acquire+0x62f/0x4c20 [ 350.199375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.204486] ? __lock_acquire+0x62f/0x4c20 [ 350.208721] ? should_fail+0x22d/0xd01 [ 350.212623] ? mark_held_locks+0x130/0x130 [ 350.216860] ? mark_held_locks+0x130/0x130 [ 350.221117] ? mark_held_locks+0xc7/0x130 [ 350.225272] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 350.230304] ? zap_class+0x640/0x640 [ 350.234017] ? print_usage_bug+0xc0/0xc0 [ 350.238083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.243624] ? check_preemption_disabled+0x48/0x280 [ 350.248661] ? __lock_is_held+0xb5/0x140 [ 350.252733] __alloc_pages_nodemask+0xa80/0xde0 [ 350.257406] ? zap_class+0x640/0x640 [ 350.261125] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 350.266155] ? find_held_lock+0x36/0x1c0 [ 350.270235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.274907] ? lock_downgrade+0x900/0x900 [ 350.279082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.284646] cache_grow_begin+0xa5/0x8c0 [ 350.288711] ? do_raw_spin_unlock+0xa7/0x330 [ 350.293134] fallback_alloc+0x204/0x2e0 [ 350.297115] ____cache_alloc_node+0x1c7/0x1e0 [ 350.301618] kmem_cache_alloc_node+0xe3/0x730 [ 350.306113] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.310359] __alloc_skb+0x119/0x770 [ 350.314099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.319398] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.323820] ? lock_downgrade+0x900/0x900 [ 350.327973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.333528] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.338982] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.344433] ? addrconf_rs_timer+0x690/0x690 [ 350.348899] ndisc_alloc_skb+0x144/0x340 [ 350.352968] ndisc_send_rs+0x331/0x6e0 [ 350.356863] addrconf_rs_timer+0x314/0x690 [ 350.361100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.365368] call_timer_fn+0x272/0x920 [ 350.369356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.373588] ? process_timeout+0x40/0x40 [ 350.377678] ? __run_timers+0x7da/0xc70 [ 350.381659] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.386152] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.390647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.394884] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.399498] ? trace_hardirqs_on+0xbd/0x310 [ 350.403821] ? kasan_check_read+0x11/0x20 [ 350.407969] ? __run_timers+0x7da/0xc70 [ 350.411942] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.417060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.421296] __run_timers+0x7e5/0xc70 [ 350.425131] ? timer_fixup_init+0x70/0x70 [ 350.429279] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 350.434299] ? zap_class+0x640/0x640 [ 350.438022] ? enqueue_hrtimer+0x1a5/0x560 [ 350.442258] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.447475] ? find_held_lock+0x36/0x1c0 [ 350.451553] ? zap_class+0x640/0x640 [ 350.455267] ? pvclock_read_flags+0x160/0x160 [ 350.459768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.465308] ? check_preemption_disabled+0x48/0x280 [ 350.470335] ? __lock_is_held+0xb5/0x140 [ 350.474401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.479954] ? check_preemption_disabled+0x48/0x280 [ 350.484982] run_timer_softirq+0x52/0xb0 [ 350.489057] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.494092] __do_softirq+0x308/0xb7e [ 350.497897] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 350.502407] ? lock_downgrade+0x900/0x900 [ 350.506563] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.511692] ? pvclock_read_flags+0x160/0x160 [ 350.516189] ? lapic_next_event+0x5a/0x90 [ 350.520346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.525889] ? kvm_clock_read+0x18/0x30 [ 350.529883] ? kvm_sched_clock_read+0x9/0x20 [ 350.534296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.539859] ? check_preemption_disabled+0x48/0x280 [ 350.544892] irq_exit+0x17f/0x1c0 [ 350.548357] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.553196] ? smp_reschedule_interrupt+0x109/0x650 [ 350.558231] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.564118] ? interrupt_entry+0xb5/0xc0 [ 350.568185] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.573205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.578262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.583109] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.588125] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.593178] ? task_prio+0x50/0x50 [ 350.596737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.602273] ? check_preemption_disabled+0x48/0x280 [ 350.607297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.612149] apic_timer_interrupt+0xf/0x20 [ 350.616381] </IRQ> [ 350.618624] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 350.623552] 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 ac [ 350.642485] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 350.650197] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 350.657506] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 350.664782] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 350.672052] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 350.679323] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 350.686644] skb_clone+0x1bb/0x500 [ 350.690188] ? finish_task_switch+0x1b4/0x910 [ 350.694702] ? skb_split+0x11e0/0x11e0 [ 350.698595] ? preempt_notifier_register+0x200/0x200 [ 350.703701] ? __switch_to_asm+0x34/0x70 [ 350.707792] ? __switch_to_asm+0x34/0x70 [ 350.711883] ? __switch_to_asm+0x40/0x70 [ 350.715942] ? __switch_to_asm+0x34/0x70 [ 350.720004] ? __switch_to_asm+0x40/0x70 [ 350.724066] ? __switch_to_asm+0x34/0x70 [ 350.728125] ? __switch_to_asm+0x40/0x70 [ 350.732184] ? __switch_to_asm+0x34/0x70 [ 350.736250] ? __switch_to_asm+0x34/0x70 [ 350.740324] ? __switch_to_asm+0x40/0x70 [ 350.744395] ? __switch_to_asm+0x34/0x70 [ 350.748468] bpf_clone_redirect+0xb9/0x490 [ 350.752714] ? __schedule+0x8d7/0x21d0 [ 350.756612] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 350.761639] ? __sched_text_start+0x8/0x8 [ 350.765788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.770569] ? find_held_lock+0x36/0x1c0 [ 350.774642] ? lock_acquire+0x1ed/0x520 [ 350.778618] ? bpf_test_run+0x3cb/0x780 [ 350.782611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.788152] ? check_preemption_disabled+0x48/0x280 [ 350.793184] ? kasan_check_read+0x11/0x20 [ 350.797338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.802620] ? rcu_softirq_qs+0x20/0x20 [ 350.806630] ? preempt_schedule+0x4d/0x60 [ 350.810784] ? ___preempt_schedule+0x16/0x18 [ 350.815211] ? bpf_test_run+0x25d/0x780 [ 350.819205] ? netlink_diag_dump+0x2a0/0x2a0 [ 350.823627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.829180] ? bpf_test_init.isra.10+0x70/0x100 [ 350.833860] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 350.838632] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 350.843491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.849031] ? fput+0x130/0x1a0 [ 350.852311] ? __bpf_prog_get+0x9b/0x290 [ 350.856381] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 350.861230] ? bpf_prog_test_run+0x130/0x1a0 [ 350.865643] ? __x64_sys_bpf+0x3d8/0x520 [ 350.869703] ? bpf_prog_get+0x20/0x20 [ 350.873531] ? do_syscall_64+0x1b9/0x820 [ 350.877591] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 350.882965] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.887896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.892759] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.897777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 350.902802] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.907826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.912679] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.918067] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 350.918152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.925015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.925024] Call Trace: [ 350.931620] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.940854] <IRQ> [ 350.943429] syz-executor2 cpuset=syz2 mems_allowed=0 [ 350.953922] dump_stack+0x244/0x39d [ 350.964795] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.970000] warn_alloc.cold.116+0xb7/0x1bd [ 350.974326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.979179] ? lock_downgrade+0x900/0x900 [ 350.983336] ? trace_hardirqs_off+0xb8/0x310 [ 350.987760] ? trace_hardirqs_off+0xb8/0x310 [ 350.992227] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.997140] ? warn_alloc+0x120/0x120 [ 351.000949] ? warn_alloc+0x120/0x120 [ 351.004766] ? __lock_acquire+0x62f/0x4c20 [ 351.009004] ? warn_alloc+0x120/0x120 [ 351.012818] ? print_usage_bug+0xc0/0xc0 [ 351.016889] ? print_usage_bug+0xc0/0xc0 [ 351.020960] ? mark_held_locks+0x130/0x130 [ 351.025205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.030752] ? should_fail+0x22d/0xd01 [ 351.034647] ? zap_class+0x640/0x640 [ 351.038371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.043488] ? __lock_acquire+0x62f/0x4c20 [ 351.047740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.052866] ? should_fail+0x22d/0xd01 [ 351.056771] ? mark_held_locks+0x130/0x130 [ 351.061010] ? mark_held_locks+0x130/0x130 [ 351.065249] ? lock_downgrade+0x900/0x900 [ 351.069400] ? zap_class+0x640/0x640 [ 351.073116] ? zap_class+0x640/0x640 [ 351.076844] ? zap_class+0x640/0x640 [ 351.080559] ? do_raw_spin_unlock+0xa7/0x330 [ 351.084984] ? trace_hardirqs_on+0x310/0x310 [ 351.089395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.094948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.100495] ? check_preemption_disabled+0x48/0x280 [ 351.105541] ? __lock_is_held+0xb5/0x140 [ 351.109614] __alloc_pages_nodemask+0xa80/0xde0 [ 351.114290] ? zap_class+0x640/0x640 [ 351.118013] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.123058] ? find_held_lock+0x36/0x1c0 [ 351.127133] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.131811] ? lock_downgrade+0x900/0x900 [ 351.135990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.141538] cache_grow_begin+0xa5/0x8c0 [ 351.145602] ? do_raw_spin_unlock+0xa7/0x330 [ 351.150027] fallback_alloc+0x204/0x2e0 [ 351.154019] ____cache_alloc_node+0x1c7/0x1e0 [ 351.158536] kmem_cache_alloc_node+0xe3/0x730 [ 351.163036] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.167632] __alloc_skb+0x119/0x770 [ 351.171346] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 351.176736] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.181188] ? vprintk_default+0x28/0x30 [ 351.185268] ? vprintk_func+0x85/0x181 [ 351.189156] ? printk+0xa7/0xcf [ 351.192438] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 351.197231] new_skb+0x26/0x1c0 [ 351.200518] aoecmd_cfg+0x279/0x7f0 [ 351.204150] ? find_held_lock+0x36/0x1c0 [ 351.208215] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 351.212544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.218093] ? __lock_is_held+0xb5/0x140 [ 351.222173] discover_timer+0x50/0x60 [ 351.225979] call_timer_fn+0x272/0x920 [ 351.229869] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.234713] ? process_timeout+0x40/0x40 [ 351.238794] ? mark_held_locks+0xc7/0x130 [ 351.242958] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.247461] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.251968] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.256816] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.261401] ? trace_hardirqs_on+0xbd/0x310 [ 351.265733] ? kasan_check_read+0x11/0x20 [ 351.269881] ? __run_timers+0x7da/0xc70 [ 351.273858] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.278990] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.283883] __run_timers+0x7e5/0xc70 [ 351.287695] ? timer_fixup_init+0x70/0x70 [ 351.291870] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.296904] ? zap_class+0x640/0x640 [ 351.300622] ? print_usage_bug+0xc0/0xc0 [ 351.304691] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.309904] ? find_held_lock+0x36/0x1c0 [ 351.313986] ? zap_class+0x640/0x640 [ 351.317745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.323286] ? check_preemption_disabled+0x48/0x280 [ 351.328316] ? __lock_is_held+0xb5/0x140 [ 351.332388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.337934] ? check_preemption_disabled+0x48/0x280 [ 351.342956] run_timer_softirq+0x52/0xb0 [ 351.347035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.352053] __do_softirq+0x308/0xb7e [ 351.355898] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.360390] ? lock_downgrade+0x900/0x900 [ 351.364543] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.369651] ? pvclock_read_flags+0x160/0x160 [ 351.374145] ? lapic_next_event+0x5a/0x90 [ 351.378296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.383841] ? kvm_clock_read+0x18/0x30 [ 351.387815] ? kvm_sched_clock_read+0x9/0x20 [ 351.392226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.397769] ? check_preemption_disabled+0x48/0x280 [ 351.402800] irq_exit+0x17f/0x1c0 [ 351.406254] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.411092] ? smp_reschedule_interrupt+0x109/0x650 [ 351.416110] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.421996] ? interrupt_entry+0xb5/0xc0 [ 351.426062] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.431081] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.436098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.440941] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.445968] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.450978] ? task_prio+0x50/0x50 [ 351.454521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.460059] ? check_preemption_disabled+0x48/0x280 [ 351.465081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.469938] apic_timer_interrupt+0xf/0x20 [ 351.474164] </IRQ> [ 351.476399] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 351.481585] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 351.500519] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.508264] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 351.515532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 351.522816] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 351.530100] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 351.537367] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 351.544688] retint_kernel+0x1b/0x2d [ 351.548432] RIP: 0010:dump_stack+0x358/0x39d [ 351.552844] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 351.571762] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 351.579484] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 351.586773] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 351.594531] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 351.601810] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 351.609106] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 351.616406] ? dump_stack+0x34f/0x39d [ 351.620224] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.625426] ? mark_held_locks+0x130/0x130 [ 351.629721] ? mark_held_locks+0x130/0x130 [ 351.633965] dump_header+0x27b/0xf72 [ 351.637691] ? pagefault_out_of_memory+0x197/0x197 [ 351.642633] ? __lock_acquire+0x62f/0x4c20 [ 351.646870] ? percpu_ref_get_many+0x240/0x240 [ 351.651464] ? print_usage_bug+0xc0/0xc0 [ 351.655540] ? zap_class+0x640/0x640 [ 351.659260] ? print_usage_bug+0xc0/0xc0 [ 351.663326] ? print_usage_bug+0xc0/0xc0 [ 351.667389] ? zap_class+0x640/0x640 [ 351.671107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.676655] ? find_held_lock+0x36/0x1c0 [ 351.680754] ? mark_held_locks+0xc7/0x130 [ 351.684912] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.690019] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.695134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.699751] ? trace_hardirqs_on+0xbd/0x310 [ 351.704079] ? kasan_check_read+0x11/0x20 [ 351.708245] ? ___ratelimit+0x3b4/0x672 [ 351.712224] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.717338] ? trace_hardirqs_on+0x310/0x310 [ 351.722010] ? lock_downgrade+0x900/0x900 [ 351.726177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.731284] ? ___ratelimit+0x3b9/0x672 [ 351.735262] ? idr_get_free+0xf70/0xf70 [ 351.739242] ? find_held_lock+0x36/0x1c0 [ 351.743330] oom_kill_process.cold.27+0x10/0x903 [ 351.748093] ? zap_class+0x640/0x640 [ 351.751830] ? check_preemption_disabled+0x48/0x280 [ 351.756855] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.761789] ? kasan_check_read+0x11/0x20 [ 351.765940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.771227] ? oom_evaluate_task+0x540/0x540 [ 351.775644] ? find_held_lock+0x36/0x1c0 [ 351.779726] ? out_of_memory+0x974/0x1430 [ 351.783891] ? lock_downgrade+0x900/0x900 [ 351.788040] ? check_preemption_disabled+0x48/0x280 [ 351.793126] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.798060] ? kasan_check_read+0x11/0x20 [ 351.802225] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.807506] ? rcu_softirq_qs+0x20/0x20 [ 351.811495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.817039] ? oom_evaluate_task+0x302/0x540 [ 351.821466] out_of_memory+0xa84/0x1430 [ 351.825459] ? oom_killer_disable+0x3a0/0x3a0 [ 351.829985] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 351.834919] ? __ww_mutex_check_waiters+0x160/0x160 [ 351.839964] __alloc_pages_slowpath+0x2354/0x2e10 [ 351.844844] ? warn_alloc+0x120/0x120 [ 351.848645] ? mark_held_locks+0x130/0x130 [ 351.852890] ? find_get_entry+0xaae/0x1120 [ 351.857154] ? filemap_map_pages+0x1a20/0x1a20 [ 351.861748] ? zap_class+0x640/0x640 [ 351.865477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.871023] ? check_preemption_disabled+0x48/0x280 [ 351.876043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.881587] ? should_fail+0x22d/0xd01 [ 351.885489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.890612] ? zap_class+0x640/0x640 [ 351.894351] ? __lock_is_held+0xb5/0x140 [ 351.898424] ? mark_held_locks+0x130/0x130 [ 351.902678] ? lock_release+0xa00/0xa00 [ 351.906686] ? perf_trace_sched_process_exec+0x860/0x860 [ 351.912143] ? xa_load+0x2ba/0x460 [ 351.915686] ? lock_downgrade+0x900/0x900 [ 351.919854] ? __might_sleep+0x95/0x190 [ 351.923833] __alloc_pages_nodemask+0xa80/0xde0 [ 351.928557] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.933576] ? __page_cache_alloc+0x191/0x5c0 [ 351.938070] ? xa_load+0x2e1/0x460 [ 351.941641] ? xa_clear_mark+0x40/0x40 [ 351.945528] ? zap_class+0x640/0x640 [ 351.949247] ? zap_class+0x640/0x640 [ 351.952960] ? zap_class+0x640/0x640 [ 351.956674] ? __do_page_cache_readahead+0x663/0x810 [ 351.961800] ? find_held_lock+0x36/0x1c0 [ 351.965861] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 351.971402] alloc_pages_current+0x173/0x350 [ 351.975816] __page_cache_alloc+0x38c/0x5c0 [ 351.980165] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.985093] ? kasan_check_read+0x11/0x20 [ 351.989239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.994520] ? generic_perform_write+0x6a0/0x6a0 [ 351.999294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.004851] ? check_preemption_disabled+0x48/0x280 [ 352.009875] filemap_fault+0x1595/0x25f0 [ 352.014046] ? __lock_page_or_retry+0xa00/0xa00 [ 352.018721] ? mark_held_locks+0x130/0x130 [ 352.022964] ? filemap_map_pages+0xd6b/0x1a20 [ 352.027464] ? lock_downgrade+0x900/0x900 [ 352.031627] ? check_preemption_disabled+0x48/0x280 [ 352.036643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.041572] ? kasan_check_read+0x11/0x20 [ 352.045723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.051028] ? rcu_softirq_qs+0x20/0x20 [ 352.055052] ? filemap_map_pages+0xd92/0x1a20 [ 352.059561] ? print_usage_bug+0xc0/0xc0 [ 352.063630] ? find_get_entries_tag+0x1400/0x1400 [ 352.068483] ? __kasan_slab_free+0x102/0x150 [ 352.072888] ? kasan_slab_free+0xe/0x10 [ 352.076863] ? kmem_cache_free+0x83/0x290 [ 352.081012] ? __sigqueue_free.part.29+0x74/0x90 [ 352.085789] ? lock_acquire+0x1ed/0x520 [ 352.089764] ? ext4_filemap_fault+0x7a/0xad [ 352.094124] ? lock_release+0xa00/0xa00 [ 352.098132] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.103588] ? print_usage_bug+0xc0/0xc0 [ 352.107655] ? print_usage_bug+0xc0/0xc0 [ 352.111732] ? down_read+0x8d/0x120 [ 352.115376] ? ext4_filemap_fault+0x7a/0xad [ 352.119705] ? __down_interruptible+0x700/0x700 [ 352.124410] ext4_filemap_fault+0x82/0xad [ 352.128574] __do_fault+0x100/0x6b0 [ 352.132205] ? pmd_devmap_trans_unstable+0x220/0x220 [ 352.137318] ? mark_held_locks+0x130/0x130 [ 352.141561] ? mark_held_locks+0x130/0x130 [ 352.145797] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.151386] ? rcu_pm_notify+0xc0/0xc0 [ 352.155289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.160836] __handle_mm_fault+0x3ea0/0x5be0 [ 352.165255] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 352.170113] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.174615] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.179200] ? trace_hardirqs_on+0xbd/0x310 [ 352.183524] ? kasan_check_read+0x11/0x20 [ 352.187688] ? __set_current_blocked+0xdf/0x120 [ 352.192367] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.197493] ? zap_class+0x640/0x640 [ 352.201206] ? zap_class+0x640/0x640 [ 352.204958] ? find_held_lock+0x36/0x1c0 [ 352.209091] ? handle_mm_fault+0x42a/0xc70 [ 352.213336] ? lock_downgrade+0x900/0x900 [ 352.217516] ? check_preemption_disabled+0x48/0x280 [ 352.222537] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.227473] ? kasan_check_read+0x11/0x20 [ 352.231625] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.236904] ? rcu_softirq_qs+0x20/0x20 [ 352.240878] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.246018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.251576] ? check_preemption_disabled+0x48/0x280 [ 352.256601] handle_mm_fault+0x54f/0xc70 [ 352.260668] ? __handle_mm_fault+0x5be0/0x5be0 [ 352.265256] ? find_vma+0x34/0x190 [ 352.268829] __do_page_fault+0x5e8/0xe60 [ 352.272899] ? exit_to_usermode_loop+0x1f4/0x380 [ 352.277667] do_page_fault+0xf2/0x7e0 [ 352.281478] ? vmalloc_sync_all+0x30/0x30 [ 352.285632] ? error_entry+0x70/0xd0 [ 352.289354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.294373] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.299310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.304273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.309121] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.314140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.319595] ? prepare_exit_to_usermode+0x291/0x3b0 [ 352.324633] ? page_fault+0x8/0x30 [ 352.328175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.333019] ? page_fault+0x8/0x30 [ 352.336559] page_fault+0x1e/0x30 [ 352.340030] RIP: 0033:0x45db60 [ 352.343232] Code: Bad RIP value. [ 352.346594] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 352.351968] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 352.359236] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 352.366500] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 352.373765] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 352.381046] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 352.388337] warn_alloc_show_mem: 1 callbacks suppressed [ 352.388348] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 352.388350] Mem-Info: [ 352.388380] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 352.388380] active_file:10 inactive_file:13 isolated_file:0 [ 352.388380] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.388380] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 352.388380] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 352.388380] free:13762 free_pcp:404 free_cma:0 [ 352.393726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.401037] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.403437] Call Trace: [ 352.436235] 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 [ 352.445587] <IRQ> [ 352.472929] lowmem_reserve[]: 0 2818 6321 6321 [ 352.475515] dump_stack+0x244/0x39d [ 352.501627] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 352.503805] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.508351] lowmem_reserve[]: 0 0 3503 3503 [ 352.511979] warn_alloc.cold.116+0xb7/0x1bd [ 352.539459] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 352.544653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.548955] lowmem_reserve[]: 0 0 0 0 [ 352.553274] ? lock_downgrade+0x900/0x900 [ 352.582226] 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 [ 352.587091] ? trace_hardirqs_off+0xb8/0x310 [ 352.590852] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 352.595011] ? trace_hardirqs_off+0xb8/0x310 [ 352.608546] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 352.612963] __alloc_pages_slowpath+0x26e8/0x2e10 [ 352.628401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.632848] ? warn_alloc+0x120/0x120 [ 352.646859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.651704] ? print_usage_bug+0xc0/0xc0 [ 352.660511] 267 total pagecache pages [ 352.664311] ? warn_alloc+0x120/0x120 [ 352.672895] 0 pages in swap cache [ 352.676958] ? warn_alloc+0x120/0x120 [ 352.680738] Swap cache stats: add 0, delete 0, find 0/0 [ 352.684531] ? print_usage_bug+0xc0/0xc0 [ 352.687971] Free swap = 0kB [ 352.691765] ? kvm_clock_read+0x18/0x30 [ 352.697112] Total swap = 0kB [ 352.697121] 1965979 pages RAM [ 352.701184] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 352.704172] 0 pages HighMem/MovableOnly [ 352.708166] ? print_usage_bug+0xc0/0xc0 [ 352.711157] 342853 pages reserved [ 352.714254] ? __lock_acquire+0x62f/0x4c20 [ 352.719246] 0 pages cma reserved [ 352.723210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.727377] aoe: skb alloc failure [ 352.730732] ? should_fail+0x22d/0xd01 [ 352.730749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.734987] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.738313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.743829] syz-fuzzer cpuset=/ mems_allowed=0 [ 352.747355] ? __lock_acquire+0x62f/0x4c20 [ 352.780595] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.785732] ? __lock_acquire+0x62f/0x4c20 [ 352.789962] ? should_fail+0x22d/0xd01 [ 352.793842] ? rcu_irq_exit+0x1a2/0x390 [ 352.797853] ? mark_held_locks+0x130/0x130 [ 352.802091] ? mark_held_locks+0x130/0x130 [ 352.806328] ? mark_held_locks+0xc7/0x130 [ 352.810479] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 352.815534] ? zap_class+0x640/0x640 [ 352.819251] ? print_usage_bug+0xc0/0xc0 [ 352.823315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.828857] ? check_preemption_disabled+0x48/0x280 [ 352.833902] ? __lock_is_held+0xb5/0x140 [ 352.837976] __alloc_pages_nodemask+0xa80/0xde0 [ 352.842663] ? zap_class+0x640/0x640 [ 352.846385] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 352.851420] ? find_held_lock+0x36/0x1c0 [ 352.855519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.860195] ? lock_downgrade+0x900/0x900 [ 352.864357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.869925] cache_grow_begin+0xa5/0x8c0 [ 352.874005] ? do_raw_spin_unlock+0xa7/0x330 [ 352.878420] fallback_alloc+0x204/0x2e0 [ 352.882411] ____cache_alloc_node+0x1c7/0x1e0 [ 352.886933] kmem_cache_alloc_node+0xe3/0x730 [ 352.891451] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.895697] __alloc_skb+0x119/0x770 [ 352.899412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.904706] ? netdev_alloc_frag+0x1f0/0x1f0 [ 352.909117] ? lock_downgrade+0x900/0x900 [ 352.913277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.918816] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.924271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.929741] ? addrconf_rs_timer+0x690/0x690 [ 352.934161] ndisc_alloc_skb+0x144/0x340 [ 352.938236] ndisc_send_rs+0x331/0x6e0 [ 352.942127] addrconf_rs_timer+0x314/0x690 [ 352.946472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.950729] call_timer_fn+0x272/0x920 [ 352.954621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.958859] ? process_timeout+0x40/0x40 [ 352.962958] ? __run_timers+0x7da/0xc70 [ 352.966931] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.971427] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.975951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.980187] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.984789] ? trace_hardirqs_on+0xbd/0x310 [ 352.989136] ? kasan_check_read+0x11/0x20 [ 352.993277] ? __run_timers+0x7da/0xc70 [ 352.997247] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.002355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.006592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.010826] __run_timers+0x7e5/0xc70 [ 353.014651] ? timer_fixup_init+0x70/0x70 [ 353.018804] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.023820] ? zap_class+0x640/0x640 [ 353.027538] ? enqueue_hrtimer+0x1a5/0x560 [ 353.031857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.037065] ? find_held_lock+0x36/0x1c0 [ 353.041141] ? zap_class+0x640/0x640 [ 353.044853] ? pvclock_read_flags+0x160/0x160 [ 353.049346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.054936] ? check_preemption_disabled+0x48/0x280 [ 353.059988] ? __lock_is_held+0xb5/0x140 [ 353.064063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.069615] ? check_preemption_disabled+0x48/0x280 [ 353.074632] run_timer_softirq+0x52/0xb0 [ 353.078690] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.083706] __do_softirq+0x308/0xb7e [ 353.087513] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.092005] ? lock_downgrade+0x900/0x900 [ 353.096156] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.101259] ? pvclock_read_flags+0x160/0x160 [ 353.105765] ? lapic_next_event+0x5a/0x90 [ 353.109960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.115520] ? kvm_clock_read+0x18/0x30 [ 353.119495] ? kvm_sched_clock_read+0x9/0x20 [ 353.123932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.129470] ? check_preemption_disabled+0x48/0x280 [ 353.134491] irq_exit+0x17f/0x1c0 [ 353.137942] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.142810] ? smp_reschedule_interrupt+0x109/0x650 [ 353.147840] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.153741] ? interrupt_entry+0xb5/0xc0 [ 353.157806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.162822] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.167841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.172690] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.177715] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.182736] ? task_prio+0x50/0x50 [ 353.186283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.191823] ? check_preemption_disabled+0x48/0x280 [ 353.196860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.201718] apic_timer_interrupt+0xf/0x20 [ 353.205949] </IRQ> [ 353.208204] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 353.213135] 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 ac [ 353.232064] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.239776] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.247046] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 353.254329] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 353.261600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 353.268897] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 353.276231] skb_clone+0x1bb/0x500 [ 353.279778] ? finish_task_switch+0x1b4/0x910 [ 353.284281] ? skb_split+0x11e0/0x11e0 [ 353.288171] ? preempt_notifier_register+0x200/0x200 [ 353.293275] ? __switch_to_asm+0x34/0x70 [ 353.297363] ? __switch_to_asm+0x34/0x70 [ 353.301424] ? __switch_to_asm+0x40/0x70 [ 353.305489] ? __switch_to_asm+0x34/0x70 [ 353.309545] ? __switch_to_asm+0x40/0x70 [ 353.313601] ? __switch_to_asm+0x34/0x70 [ 353.317662] ? __switch_to_asm+0x40/0x70 [ 353.321739] ? __switch_to_asm+0x34/0x70 [ 353.325802] ? __switch_to_asm+0x34/0x70 [ 353.329862] ? __switch_to_asm+0x40/0x70 [ 353.333918] ? __switch_to_asm+0x34/0x70 [ 353.337988] bpf_clone_redirect+0xb9/0x490 [ 353.342227] ? __schedule+0x8d7/0x21d0 [ 353.346118] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 353.351139] ? __sched_text_start+0x8/0x8 [ 353.355290] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.360056] ? find_held_lock+0x36/0x1c0 [ 353.364145] ? lock_acquire+0x1ed/0x520 [ 353.368122] ? bpf_test_run+0x3cb/0x780 [ 353.372098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.377637] ? check_preemption_disabled+0x48/0x280 [ 353.382660] ? kasan_check_read+0x11/0x20 [ 353.386807] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.392079] ? rcu_softirq_qs+0x20/0x20 [ 353.396057] ? preempt_schedule+0x4d/0x60 [ 353.400204] ? ___preempt_schedule+0x16/0x18 [ 353.404619] ? bpf_test_run+0x25d/0x780 [ 353.408607] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.413022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.418558] ? bpf_test_init.isra.10+0x70/0x100 [ 353.423248] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 353.428009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.432846] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.438378] ? fput+0x130/0x1a0 [ 353.441653] ? __bpf_prog_get+0x9b/0x290 [ 353.445716] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.450589] ? bpf_prog_test_run+0x130/0x1a0 [ 353.454995] ? __x64_sys_bpf+0x3d8/0x520 [ 353.459051] ? bpf_prog_get+0x20/0x20 [ 353.462922] ? do_syscall_64+0x1b9/0x820 [ 353.466980] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.472345] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.477277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.482121] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.487140] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.492171] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.497226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.502092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.507480] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 353.507549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.514401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.514410] Call Trace: [ 353.521035] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.530236] <IRQ> [ 353.532808] syz-executor2 cpuset=syz2 mems_allowed=0 [ 353.543302] dump_stack+0x244/0x39d [ 353.554226] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.559435] warn_alloc.cold.116+0xb7/0x1bd [ 353.563772] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.568621] ? lock_downgrade+0x900/0x900 [ 353.572781] ? trace_hardirqs_off+0xb8/0x310 [ 353.577203] ? trace_hardirqs_off+0xb8/0x310 [ 353.581629] __alloc_pages_slowpath+0x26e8/0x2e10 [ 353.586514] ? warn_alloc+0x120/0x120 [ 353.590524] ? warn_alloc+0x120/0x120 [ 353.594328] ? __lock_acquire+0x62f/0x4c20 [ 353.598561] ? warn_alloc+0x120/0x120 [ 353.602368] ? print_usage_bug+0xc0/0xc0 [ 353.606453] ? print_usage_bug+0xc0/0xc0 [ 353.610522] ? mark_held_locks+0x130/0x130 [ 353.614770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.620312] ? should_fail+0x22d/0xd01 [ 353.624198] ? zap_class+0x640/0x640 [ 353.627920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.633028] ? __lock_acquire+0x62f/0x4c20 [ 353.637270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.642373] ? should_fail+0x22d/0xd01 [ 353.646273] ? mark_held_locks+0x130/0x130 [ 353.650512] ? mark_held_locks+0x130/0x130 [ 353.654749] ? lock_downgrade+0x900/0x900 [ 353.658912] ? zap_class+0x640/0x640 [ 353.662627] ? zap_class+0x640/0x640 [ 353.666344] ? zap_class+0x640/0x640 [ 353.670056] ? do_raw_spin_unlock+0xa7/0x330 [ 353.674555] ? trace_hardirqs_on+0x310/0x310 [ 353.678965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.684529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.690092] ? check_preemption_disabled+0x48/0x280 [ 353.695120] ? __lock_is_held+0xb5/0x140 [ 353.699190] __alloc_pages_nodemask+0xa80/0xde0 [ 353.703858] ? zap_class+0x640/0x640 [ 353.707576] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.712616] ? find_held_lock+0x36/0x1c0 [ 353.716686] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.721359] ? lock_downgrade+0x900/0x900 [ 353.725689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.731238] cache_grow_begin+0xa5/0x8c0 [ 353.735328] ? do_raw_spin_unlock+0xa7/0x330 [ 353.739763] fallback_alloc+0x204/0x2e0 [ 353.743774] ____cache_alloc_node+0x1c7/0x1e0 [ 353.748274] kmem_cache_alloc_node+0xe3/0x730 [ 353.752769] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.757362] __alloc_skb+0x119/0x770 [ 353.761075] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 353.766456] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.770879] ? vprintk_default+0x28/0x30 [ 353.774940] ? vprintk_func+0x85/0x181 [ 353.778830] ? printk+0xa7/0xcf [ 353.782130] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 353.786928] new_skb+0x26/0x1c0 [ 353.790212] aoecmd_cfg+0x279/0x7f0 [ 353.793856] ? find_held_lock+0x36/0x1c0 [ 353.797921] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 353.802253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.807805] ? __lock_is_held+0xb5/0x140 [ 353.811933] discover_timer+0x50/0x60 [ 353.815760] call_timer_fn+0x272/0x920 [ 353.819650] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.824510] ? process_timeout+0x40/0x40 [ 353.828596] ? mark_held_locks+0xc7/0x130 [ 353.832765] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.837275] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.841770] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.846617] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.851220] ? trace_hardirqs_on+0xbd/0x310 [ 353.855548] ? kasan_check_read+0x11/0x20 [ 353.859701] ? __run_timers+0x7da/0xc70 [ 353.863703] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.868830] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.873675] __run_timers+0x7e5/0xc70 [ 353.877513] ? timer_fixup_init+0x70/0x70 [ 353.881668] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.886707] ? zap_class+0x640/0x640 [ 353.890434] ? print_usage_bug+0xc0/0xc0 [ 353.894516] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.899727] ? find_held_lock+0x36/0x1c0 [ 353.903815] ? zap_class+0x640/0x640 [ 353.907555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.913115] ? check_preemption_disabled+0x48/0x280 [ 353.918161] ? __lock_is_held+0xb5/0x140 [ 353.922244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.927807] ? check_preemption_disabled+0x48/0x280 [ 353.932835] run_timer_softirq+0x52/0xb0 [ 353.936907] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.941957] __do_softirq+0x308/0xb7e [ 353.945790] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.950286] ? lock_downgrade+0x900/0x900 [ 353.954451] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.959571] ? pvclock_read_flags+0x160/0x160 [ 353.964073] ? lapic_next_event+0x5a/0x90 [ 353.968227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.973780] ? kvm_clock_read+0x18/0x30 [ 353.977757] ? kvm_sched_clock_read+0x9/0x20 [ 353.982167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.987707] ? check_preemption_disabled+0x48/0x280 [ 353.992748] irq_exit+0x17f/0x1c0 [ 353.996202] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.001079] ? smp_reschedule_interrupt+0x109/0x650 [ 354.006105] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.011988] ? interrupt_entry+0xb5/0xc0 [ 354.016098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.021112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.026136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.030982] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.036004] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.041041] ? task_prio+0x50/0x50 [ 354.044582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.050153] ? check_preemption_disabled+0x48/0x280 [ 354.055196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.060053] apic_timer_interrupt+0xf/0x20 [ 354.064286] </IRQ> [ 354.066532] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 354.071730] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 354.090644] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 354.098360] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 354.105626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 354.112896] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 354.120164] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 354.127435] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 354.134753] retint_kernel+0x1b/0x2d [ 354.138482] RIP: 0010:dump_stack+0x358/0x39d [ 354.142903] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 354.161812] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 354.169532] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 354.176807] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 354.184098] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 354.191369] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 354.198642] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 354.205942] ? dump_stack+0x34f/0x39d [ 354.209778] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.214979] ? mark_held_locks+0x130/0x130 [ 354.219217] ? mark_held_locks+0x130/0x130 [ 354.223479] dump_header+0x27b/0xf72 [ 354.227208] ? pagefault_out_of_memory+0x197/0x197 [ 354.232150] ? __lock_acquire+0x62f/0x4c20 [ 354.236428] ? percpu_ref_get_many+0x240/0x240 [ 354.241022] ? print_usage_bug+0xc0/0xc0 [ 354.245106] ? zap_class+0x640/0x640 [ 354.248824] ? print_usage_bug+0xc0/0xc0 [ 354.252888] ? print_usage_bug+0xc0/0xc0 [ 354.256971] ? zap_class+0x640/0x640 [ 354.260699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.266250] ? find_held_lock+0x36/0x1c0 [ 354.270321] ? mark_held_locks+0xc7/0x130 [ 354.274477] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.279583] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.284689] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.289284] ? trace_hardirqs_on+0xbd/0x310 [ 354.293623] ? kasan_check_read+0x11/0x20 [ 354.297779] ? ___ratelimit+0x3b4/0x672 [ 354.301775] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.306898] ? trace_hardirqs_on+0x310/0x310 [ 354.311313] ? lock_downgrade+0x900/0x900 [ 354.315479] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.320585] ? ___ratelimit+0x3b9/0x672 [ 354.324566] ? idr_get_free+0xf70/0xf70 [ 354.328568] ? find_held_lock+0x36/0x1c0 [ 354.332643] oom_kill_process.cold.27+0x10/0x903 [ 354.337411] ? zap_class+0x640/0x640 [ 354.341135] ? check_preemption_disabled+0x48/0x280 [ 354.346156] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.351091] ? kasan_check_read+0x11/0x20 [ 354.355254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.360538] ? oom_evaluate_task+0x540/0x540 [ 354.364969] ? find_held_lock+0x36/0x1c0 [ 354.369055] ? out_of_memory+0x974/0x1430 [ 354.373203] ? lock_downgrade+0x900/0x900 [ 354.377356] ? check_preemption_disabled+0x48/0x280 [ 354.382379] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.387313] ? kasan_check_read+0x11/0x20 [ 354.391483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.396770] ? rcu_softirq_qs+0x20/0x20 [ 354.400766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.406304] ? oom_evaluate_task+0x302/0x540 [ 354.410747] out_of_memory+0xa84/0x1430 [ 354.414785] ? oom_killer_disable+0x3a0/0x3a0 [ 354.419285] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 354.424224] ? __ww_mutex_check_waiters+0x160/0x160 [ 354.429257] __alloc_pages_slowpath+0x2354/0x2e10 [ 354.434128] ? warn_alloc+0x120/0x120 [ 354.437926] ? mark_held_locks+0x130/0x130 [ 354.442198] ? find_get_entry+0xaae/0x1120 [ 354.446452] ? filemap_map_pages+0x1a20/0x1a20 [ 354.451041] ? zap_class+0x640/0x640 [ 354.454789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.460357] ? check_preemption_disabled+0x48/0x280 [ 354.465374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.470925] ? should_fail+0x22d/0xd01 [ 354.474831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.479943] ? zap_class+0x640/0x640 [ 354.483685] ? __lock_is_held+0xb5/0x140 [ 354.487778] ? mark_held_locks+0x130/0x130 [ 354.492015] ? lock_release+0xa00/0xa00 [ 354.495991] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.501475] ? xa_load+0x2ba/0x460 [ 354.505039] ? lock_downgrade+0x900/0x900 [ 354.509192] ? __might_sleep+0x95/0x190 [ 354.513173] __alloc_pages_nodemask+0xa80/0xde0 [ 354.517845] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.522861] ? __page_cache_alloc+0x191/0x5c0 [ 354.527356] ? xa_load+0x2e1/0x460 [ 354.530899] ? xa_clear_mark+0x40/0x40 [ 354.534787] ? zap_class+0x640/0x640 [ 354.538511] ? zap_class+0x640/0x640 [ 354.542255] ? zap_class+0x640/0x640 [ 354.545980] ? __do_page_cache_readahead+0x663/0x810 [ 354.551097] ? find_held_lock+0x36/0x1c0 [ 354.555177] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 354.560728] alloc_pages_current+0x173/0x350 [ 354.565143] __page_cache_alloc+0x38c/0x5c0 [ 354.569469] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.574405] ? kasan_check_read+0x11/0x20 [ 354.578573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.583855] ? generic_perform_write+0x6a0/0x6a0 [ 354.588615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.594159] ? check_preemption_disabled+0x48/0x280 [ 354.599184] filemap_fault+0x1595/0x25f0 [ 354.603258] ? __lock_page_or_retry+0xa00/0xa00 [ 354.607948] ? mark_held_locks+0x130/0x130 [ 354.612194] ? filemap_map_pages+0xd6b/0x1a20 [ 354.616694] ? lock_downgrade+0x900/0x900 [ 354.620847] ? check_preemption_disabled+0x48/0x280 [ 354.625868] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.630797] ? kasan_check_read+0x11/0x20 [ 354.634951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.640240] ? rcu_softirq_qs+0x20/0x20 [ 354.644229] ? filemap_map_pages+0xd92/0x1a20 [ 354.648736] ? print_usage_bug+0xc0/0xc0 [ 354.652849] ? find_get_entries_tag+0x1400/0x1400 [ 354.657711] ? __kasan_slab_free+0x102/0x150 [ 354.662121] ? kasan_slab_free+0xe/0x10 [ 354.666107] ? kmem_cache_free+0x83/0x290 [ 354.670252] ? __sigqueue_free.part.29+0x74/0x90 [ 354.675024] ? lock_acquire+0x1ed/0x520 [ 354.678995] ? ext4_filemap_fault+0x7a/0xad [ 354.683326] ? lock_release+0xa00/0xa00 [ 354.687304] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.692759] ? print_usage_bug+0xc0/0xc0 [ 354.696839] ? print_usage_bug+0xc0/0xc0 [ 354.700919] ? down_read+0x8d/0x120 [ 354.704549] ? ext4_filemap_fault+0x7a/0xad [ 354.708891] ? __down_interruptible+0x700/0x700 [ 354.713576] ext4_filemap_fault+0x82/0xad [ 354.717736] __do_fault+0x100/0x6b0 [ 354.721370] ? pmd_devmap_trans_unstable+0x220/0x220 [ 354.726484] ? mark_held_locks+0x130/0x130 [ 354.730729] ? mark_held_locks+0x130/0x130 [ 354.734966] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.740509] ? rcu_pm_notify+0xc0/0xc0 [ 354.744402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.749946] __handle_mm_fault+0x3ea0/0x5be0 [ 354.754371] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 354.759219] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.763762] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.768345] ? trace_hardirqs_on+0xbd/0x310 [ 354.772671] ? kasan_check_read+0x11/0x20 [ 354.776846] ? __set_current_blocked+0xdf/0x120 [ 354.781515] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.786623] ? zap_class+0x640/0x640 [ 354.790345] ? zap_class+0x640/0x640 [ 354.794068] ? find_held_lock+0x36/0x1c0 [ 354.798139] ? handle_mm_fault+0x42a/0xc70 [ 354.802374] ? lock_downgrade+0x900/0x900 [ 354.806527] ? check_preemption_disabled+0x48/0x280 [ 354.811548] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.816516] ? kasan_check_read+0x11/0x20 [ 354.820667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.826004] ? rcu_softirq_qs+0x20/0x20 [ 354.829979] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.835101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.840652] ? check_preemption_disabled+0x48/0x280 [ 354.845689] handle_mm_fault+0x54f/0xc70 [ 354.849777] ? __handle_mm_fault+0x5be0/0x5be0 [ 354.854386] ? find_vma+0x34/0x190 [ 354.857937] __do_page_fault+0x5e8/0xe60 [ 354.862046] ? exit_to_usermode_loop+0x1f4/0x380 [ 354.866835] do_page_fault+0xf2/0x7e0 [ 354.870644] ? vmalloc_sync_all+0x30/0x30 [ 354.874817] ? error_entry+0x70/0xd0 [ 354.878535] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.883583] ? trace_hardirqs_on_caller+0xc0/0x310 [ 354.888517] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.893454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.898302] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.903318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.908809] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.913825] ? page_fault+0x8/0x30 [ 354.917372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.922217] ? page_fault+0x8/0x30 [ 354.925853] page_fault+0x1e/0x30 [ 354.929302] RIP: 0033:0x45db60 [ 354.932509] Code: Bad RIP value. [ 354.935871] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 354.941234] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 354.948501] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 354.955770] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 354.963041] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 354.970305] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 354.977609] warn_alloc_show_mem: 1 callbacks suppressed [ 354.977636] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 354.977638] Mem-Info: [ 354.977669] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 354.977669] active_file:10 inactive_file:13 isolated_file:0 [ 354.977669] unevictable:0 dirty:0 writeback:0 unstable:0 [ 354.977669] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 354.977669] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 354.977669] free:13762 free_pcp:404 free_cma:0 [ 354.983010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.990286] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 354.992683] Call Trace: [ 355.025473] 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 [ 355.034869] <IRQ> [ 355.062205] lowmem_reserve[]: 0 2818 6321 6321 [ 355.064799] dump_stack+0x244/0x39d [ 355.090871] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 355.093013] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.097563] lowmem_reserve[]: 0 0 3503 3503 [ 355.101187] warn_alloc.cold.116+0xb7/0x1bd [ 355.128650] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 355.133849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.138146] lowmem_reserve[]: 0 0 0 0 [ 355.142469] ? lock_downgrade+0x900/0x900 [ 355.171410] 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 [ 355.176246] ? trace_hardirqs_off+0xb8/0x310 [ 355.180014] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 355.184178] ? trace_hardirqs_off+0xb8/0x310 [ 355.197669] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 355.202081] __alloc_pages_slowpath+0x26e8/0x2e10 [ 355.217491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.221919] ? warn_alloc+0x120/0x120 [ 355.235919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.240747] ? print_usage_bug+0xc0/0xc0 [ 355.249557] 267 total pagecache pages [ 355.253341] ? warn_alloc+0x120/0x120 [ 355.261894] 0 pages in swap cache [ 355.265966] ? warn_alloc+0x120/0x120 [ 355.269743] Swap cache stats: add 0, delete 0, find 0/0 [ 355.273534] ? print_usage_bug+0xc0/0xc0 [ 355.276957] Free swap = 0kB [ 355.280766] ? kvm_clock_read+0x18/0x30 [ 355.286099] Total swap = 0kB [ 355.290156] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.293143] 1965979 pages RAM [ 355.297112] ? print_usage_bug+0xc0/0xc0 [ 355.300103] 0 pages HighMem/MovableOnly [ 355.305119] ? __lock_acquire+0x62f/0x4c20 [ 355.308199] 342853 pages reserved [ 355.312261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.316206] 0 pages cma reserved [ 355.320439] ? should_fail+0x22d/0xd01 [ 355.323981] aoe: skb alloc failure [ 355.329413] ? __lock_acquire+0x62f/0x4c20 [ 355.329450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.329472] ? __lock_acquire+0x62f/0x4c20 [ 355.332857] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.336708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.340223] syz-fuzzer cpuset=/ mems_allowed=0 [ 355.344464] ? __lock_acquire+0x62f/0x4c20 [ 355.377885] ? should_fail+0x22d/0xd01 [ 355.381801] ? mark_held_locks+0x130/0x130 [ 355.386041] ? mark_held_locks+0x130/0x130 [ 355.390286] ? mark_held_locks+0xc7/0x130 [ 355.394433] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 355.399471] ? zap_class+0x640/0x640 [ 355.403186] ? print_usage_bug+0xc0/0xc0 [ 355.407259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.412802] ? check_preemption_disabled+0x48/0x280 [ 355.417830] ? __lock_is_held+0xb5/0x140 [ 355.421903] __alloc_pages_nodemask+0xa80/0xde0 [ 355.426574] ? zap_class+0x640/0x640 [ 355.430290] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 355.435319] ? find_held_lock+0x36/0x1c0 [ 355.439387] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.444057] ? lock_downgrade+0x900/0x900 [ 355.448209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.453797] cache_grow_begin+0xa5/0x8c0 [ 355.457854] ? do_raw_spin_unlock+0xa7/0x330 [ 355.462258] fallback_alloc+0x204/0x2e0 [ 355.466235] ____cache_alloc_node+0x1c7/0x1e0 [ 355.470741] kmem_cache_alloc_node+0xe3/0x730 [ 355.475236] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.479480] __alloc_skb+0x119/0x770 [ 355.483183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.488459] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.492858] ? lock_downgrade+0x900/0x900 [ 355.497026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.502565] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.508018] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.513473] ? addrconf_rs_timer+0x690/0x690 [ 355.517889] ndisc_alloc_skb+0x144/0x340 [ 355.521963] ndisc_send_rs+0x331/0x6e0 [ 355.525852] addrconf_rs_timer+0x314/0x690 [ 355.530086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.534326] call_timer_fn+0x272/0x920 [ 355.538208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.542440] ? process_timeout+0x40/0x40 [ 355.546514] ? __run_timers+0x7da/0xc70 [ 355.550490] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.554987] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.559482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.563730] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.568314] ? trace_hardirqs_on+0xbd/0x310 [ 355.572630] ? kasan_check_read+0x11/0x20 [ 355.576776] ? __run_timers+0x7da/0xc70 [ 355.580755] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.585881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.590137] __run_timers+0x7e5/0xc70 [ 355.594102] ? timer_fixup_init+0x70/0x70 [ 355.598252] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.603299] ? zap_class+0x640/0x640 [ 355.607049] ? enqueue_hrtimer+0x1a5/0x560 [ 355.611306] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.616515] ? find_held_lock+0x36/0x1c0 [ 355.620622] ? zap_class+0x640/0x640 [ 355.624335] ? pvclock_read_flags+0x160/0x160 [ 355.628833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.634388] ? check_preemption_disabled+0x48/0x280 [ 355.639430] ? __lock_is_held+0xb5/0x140 [ 355.643532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.649071] ? check_preemption_disabled+0x48/0x280 [ 355.654096] run_timer_softirq+0x52/0xb0 [ 355.658160] ? rcu_read_lock_sched_held+0x14f/0x180 [ 355.663199] __do_softirq+0x308/0xb7e [ 355.667015] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 355.671528] ? lock_downgrade+0x900/0x900 [ 355.675688] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.680802] ? pvclock_read_flags+0x160/0x160 [ 355.685301] ? lapic_next_event+0x5a/0x90 [ 355.689475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.695023] ? kvm_clock_read+0x18/0x30 [ 355.699001] ? kvm_sched_clock_read+0x9/0x20 [ 355.703413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.708967] ? check_preemption_disabled+0x48/0x280 [ 355.713999] irq_exit+0x17f/0x1c0 [ 355.717468] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.722801] ? smp_reschedule_interrupt+0x109/0x650 [ 355.727835] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.733724] ? interrupt_entry+0xb5/0xc0 [ 355.737790] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.742809] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.747830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.752703] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.757739] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.762763] ? task_prio+0x50/0x50 [ 355.766318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.771865] ? check_preemption_disabled+0x48/0x280 [ 355.776897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.781754] apic_timer_interrupt+0xf/0x20 [ 355.785982] </IRQ> [ 355.788228] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 355.793159] 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 ac [ 355.812055] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 355.819758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.827022] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 355.834290] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 355.841555] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 355.848821] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 355.856127] skb_clone+0x1bb/0x500 [ 355.859669] ? finish_task_switch+0x1b4/0x910 [ 355.864162] ? skb_split+0x11e0/0x11e0 [ 355.868052] ? preempt_notifier_register+0x200/0x200 [ 355.873154] ? __switch_to_asm+0x34/0x70 [ 355.877221] ? __switch_to_asm+0x34/0x70 [ 355.881279] ? __switch_to_asm+0x40/0x70 [ 355.885338] ? __switch_to_asm+0x34/0x70 [ 355.889393] ? __switch_to_asm+0x40/0x70 [ 355.893454] ? __switch_to_asm+0x34/0x70 [ 355.897529] ? __switch_to_asm+0x40/0x70 [ 355.901587] ? __switch_to_asm+0x34/0x70 [ 355.905645] ? __switch_to_asm+0x34/0x70 [ 355.909705] ? __switch_to_asm+0x40/0x70 [ 355.913767] ? __switch_to_asm+0x34/0x70 [ 355.917835] bpf_clone_redirect+0xb9/0x490 [ 355.922073] ? __schedule+0x8d7/0x21d0 [ 355.925968] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 355.930989] ? __sched_text_start+0x8/0x8 [ 355.935139] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 355.939919] ? find_held_lock+0x36/0x1c0 [ 355.943991] ? lock_acquire+0x1ed/0x520 [ 355.947964] ? bpf_test_run+0x3cb/0x780 [ 355.951943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.957513] ? check_preemption_disabled+0x48/0x280 [ 355.962551] ? kasan_check_read+0x11/0x20 [ 355.966701] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.971994] ? rcu_softirq_qs+0x20/0x20 [ 355.975971] ? preempt_schedule+0x4d/0x60 [ 355.980127] ? ___preempt_schedule+0x16/0x18 [ 355.984552] ? bpf_test_run+0x25d/0x780 [ 355.988542] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.992966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.998511] ? bpf_test_init.isra.10+0x70/0x100 [ 356.003192] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 356.007969] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.012813] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.018372] ? fput+0x130/0x1a0 [ 356.021654] ? __bpf_prog_get+0x9b/0x290 [ 356.025720] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.030564] ? bpf_prog_test_run+0x130/0x1a0 [ 356.034983] ? __x64_sys_bpf+0x3d8/0x520 [ 356.039043] ? bpf_prog_get+0x20/0x20 [ 356.042863] ? do_syscall_64+0x1b9/0x820 [ 356.046942] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 356.052308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.057237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.062087] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.067112] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 356.072132] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.077154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.082001] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.087384] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 356.087467] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.094313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.094322] Call Trace: [ 356.100953] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.110154] <IRQ> [ 356.112739] syz-executor2 cpuset=syz2 mems_allowed=0 [ 356.123225] dump_stack+0x244/0x39d [ 356.134085] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.139290] warn_alloc.cold.116+0xb7/0x1bd [ 356.143613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.148493] ? lock_downgrade+0x900/0x900 [ 356.152662] ? trace_hardirqs_off+0xb8/0x310 [ 356.157082] ? trace_hardirqs_off+0xb8/0x310 [ 356.161512] __alloc_pages_slowpath+0x26e8/0x2e10 [ 356.166382] ? warn_alloc+0x120/0x120 [ 356.170189] ? warn_alloc+0x120/0x120 [ 356.173995] ? __lock_acquire+0x62f/0x4c20 [ 356.178232] ? warn_alloc+0x120/0x120 [ 356.182035] ? print_usage_bug+0xc0/0xc0 [ 356.186099] ? print_usage_bug+0xc0/0xc0 [ 356.190166] ? mark_held_locks+0x130/0x130 [ 356.194406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.199943] ? should_fail+0x22d/0xd01 [ 356.203828] ? zap_class+0x640/0x640 [ 356.207592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.212694] ? __lock_acquire+0x62f/0x4c20 [ 356.216936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.222036] ? should_fail+0x22d/0xd01 [ 356.225929] ? mark_held_locks+0x130/0x130 [ 356.230165] ? mark_held_locks+0x130/0x130 [ 356.234397] ? lock_downgrade+0x900/0x900 [ 356.238549] ? zap_class+0x640/0x640 [ 356.242273] ? zap_class+0x640/0x640 [ 356.245990] ? zap_class+0x640/0x640 [ 356.249703] ? do_raw_spin_unlock+0xa7/0x330 [ 356.254117] ? trace_hardirqs_on+0x310/0x310 [ 356.258528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.264081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.269621] ? check_preemption_disabled+0x48/0x280 [ 356.274645] ? __lock_is_held+0xb5/0x140 [ 356.278709] __alloc_pages_nodemask+0xa80/0xde0 [ 356.283379] ? zap_class+0x640/0x640 [ 356.287118] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.292192] ? find_held_lock+0x36/0x1c0 [ 356.296264] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.300945] ? lock_downgrade+0x900/0x900 [ 356.305105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.310650] cache_grow_begin+0xa5/0x8c0 [ 356.314726] ? do_raw_spin_unlock+0xa7/0x330 [ 356.319173] fallback_alloc+0x204/0x2e0 [ 356.323150] ____cache_alloc_node+0x1c7/0x1e0 [ 356.327650] kmem_cache_alloc_node+0xe3/0x730 [ 356.332160] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.336765] __alloc_skb+0x119/0x770 [ 356.340482] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 356.345854] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.350275] ? vprintk_default+0x28/0x30 [ 356.354337] ? vprintk_func+0x85/0x181 [ 356.358223] ? printk+0xa7/0xcf [ 356.361502] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 356.366273] new_skb+0x26/0x1c0 [ 356.369554] aoecmd_cfg+0x279/0x7f0 [ 356.373182] ? find_held_lock+0x36/0x1c0 [ 356.377251] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 356.381596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.387150] ? __lock_is_held+0xb5/0x140 [ 356.391222] discover_timer+0x50/0x60 [ 356.395037] call_timer_fn+0x272/0x920 [ 356.398925] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.403771] ? process_timeout+0x40/0x40 [ 356.407842] ? mark_held_locks+0xc7/0x130 [ 356.411990] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.416485] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.421012] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.425872] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.430463] ? trace_hardirqs_on+0xbd/0x310 [ 356.434789] ? kasan_check_read+0x11/0x20 [ 356.438952] ? __run_timers+0x7da/0xc70 [ 356.442926] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.448053] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.452894] __run_timers+0x7e5/0xc70 [ 356.456722] ? timer_fixup_init+0x70/0x70 [ 356.460875] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.465892] ? zap_class+0x640/0x640 [ 356.469608] ? print_usage_bug+0xc0/0xc0 [ 356.473670] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.478909] ? find_held_lock+0x36/0x1c0 [ 356.482988] ? zap_class+0x640/0x640 [ 356.486729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.492267] ? check_preemption_disabled+0x48/0x280 [ 356.497307] ? __lock_is_held+0xb5/0x140 [ 356.501385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.506955] ? check_preemption_disabled+0x48/0x280 [ 356.511972] run_timer_softirq+0x52/0xb0 [ 356.516029] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.521041] __do_softirq+0x308/0xb7e [ 356.524841] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 356.529342] ? lock_downgrade+0x900/0x900 [ 356.533507] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.538622] ? pvclock_read_flags+0x160/0x160 [ 356.543135] ? lapic_next_event+0x5a/0x90 [ 356.547302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.552845] ? kvm_clock_read+0x18/0x30 [ 356.556818] ? kvm_sched_clock_read+0x9/0x20 [ 356.561241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.566778] ? check_preemption_disabled+0x48/0x280 [ 356.571817] irq_exit+0x17f/0x1c0 [ 356.575273] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.580117] ? smp_reschedule_interrupt+0x109/0x650 [ 356.585132] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.591013] ? interrupt_entry+0xb5/0xc0 [ 356.595075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.600107] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.605139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.609981] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.614998] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.620017] ? task_prio+0x50/0x50 [ 356.623561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.629099] ? check_preemption_disabled+0x48/0x280 [ 356.634126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.638976] apic_timer_interrupt+0xf/0x20 [ 356.643200] </IRQ> [ 356.645436] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 356.650635] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 356.669555] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 356.677272] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 356.684543] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 356.691810] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 356.699080] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 356.706379] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 356.713696] retint_kernel+0x1b/0x2d [ 356.717493] RIP: 0010:dump_stack+0x358/0x39d [ 356.721905] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 356.740836] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 356.748553] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 356.755822] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 356.763089] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 356.770359] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 356.777634] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 356.784927] ? dump_stack+0x34f/0x39d [ 356.788742] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.793938] ? mark_held_locks+0x130/0x130 [ 356.798186] ? mark_held_locks+0x130/0x130 [ 356.802454] dump_header+0x27b/0xf72 [ 356.806233] ? pagefault_out_of_memory+0x197/0x197 [ 356.811190] ? __lock_acquire+0x62f/0x4c20 [ 356.815428] ? percpu_ref_get_many+0x240/0x240 [ 356.820019] ? print_usage_bug+0xc0/0xc0 [ 356.824090] ? zap_class+0x640/0x640 [ 356.827808] ? print_usage_bug+0xc0/0xc0 [ 356.831868] ? print_usage_bug+0xc0/0xc0 [ 356.835950] ? zap_class+0x640/0x640 [ 356.839670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.845215] ? find_held_lock+0x36/0x1c0 [ 356.849284] ? mark_held_locks+0xc7/0x130 [ 356.853450] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.858557] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.863665] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.868248] ? trace_hardirqs_on+0xbd/0x310 [ 356.872569] ? kasan_check_read+0x11/0x20 [ 356.876712] ? ___ratelimit+0x3b4/0x672 [ 356.880703] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.885823] ? trace_hardirqs_on+0x310/0x310 [ 356.890232] ? lock_downgrade+0x900/0x900 [ 356.894381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.899484] ? ___ratelimit+0x3b9/0x672 [ 356.903464] ? idr_get_free+0xf70/0xf70 [ 356.907479] ? find_held_lock+0x36/0x1c0 [ 356.911567] oom_kill_process.cold.27+0x10/0x903 [ 356.916324] ? zap_class+0x640/0x640 [ 356.920036] ? check_preemption_disabled+0x48/0x280 [ 356.925067] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.929993] ? kasan_check_read+0x11/0x20 [ 356.934142] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.939434] ? oom_evaluate_task+0x540/0x540 [ 356.943857] ? find_held_lock+0x36/0x1c0 [ 356.947932] ? out_of_memory+0x974/0x1430 [ 356.952082] ? lock_downgrade+0x900/0x900 [ 356.956227] ? check_preemption_disabled+0x48/0x280 [ 356.961248] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.966170] ? kasan_check_read+0x11/0x20 [ 356.970313] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.975599] ? rcu_softirq_qs+0x20/0x20 [ 356.979578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.985117] ? oom_evaluate_task+0x302/0x540 [ 356.989527] out_of_memory+0xa84/0x1430 [ 356.993507] ? oom_killer_disable+0x3a0/0x3a0 [ 356.998003] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 357.002965] ? __ww_mutex_check_waiters+0x160/0x160 [ 357.007995] __alloc_pages_slowpath+0x2354/0x2e10 [ 357.012871] ? warn_alloc+0x120/0x120 [ 357.016669] ? mark_held_locks+0x130/0x130 [ 357.020916] ? find_get_entry+0xaae/0x1120 [ 357.025183] ? filemap_map_pages+0x1a20/0x1a20 [ 357.029769] ? zap_class+0x640/0x640 [ 357.033508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.039046] ? check_preemption_disabled+0x48/0x280 [ 357.044066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.049605] ? should_fail+0x22d/0xd01 [ 357.053500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.058601] ? zap_class+0x640/0x640 [ 357.062338] ? __lock_is_held+0xb5/0x140 [ 357.066410] ? mark_held_locks+0x130/0x130 [ 357.070655] ? lock_release+0xa00/0xa00 [ 357.074648] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.080099] ? xa_load+0x2ba/0x460 [ 357.083643] ? lock_downgrade+0x900/0x900 [ 357.087810] ? __might_sleep+0x95/0x190 [ 357.091790] __alloc_pages_nodemask+0xa80/0xde0 [ 357.096475] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 357.101494] ? __page_cache_alloc+0x191/0x5c0 [ 357.105985] ? xa_load+0x2e1/0x460 [ 357.109531] ? xa_clear_mark+0x40/0x40 [ 357.113424] ? zap_class+0x640/0x640 [ 357.117152] ? zap_class+0x640/0x640 [ 357.120863] ? zap_class+0x640/0x640 [ 357.124582] ? __do_page_cache_readahead+0x663/0x810 [ 357.129692] ? find_held_lock+0x36/0x1c0 [ 357.133761] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 357.139305] alloc_pages_current+0x173/0x350 [ 357.143725] __page_cache_alloc+0x38c/0x5c0 [ 357.148064] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.152989] ? kasan_check_read+0x11/0x20 [ 357.157134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.162467] ? generic_perform_write+0x6a0/0x6a0 [ 357.167228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.172766] ? check_preemption_disabled+0x48/0x280 [ 357.177789] filemap_fault+0x1595/0x25f0 [ 357.181862] ? __lock_page_or_retry+0xa00/0xa00 [ 357.186534] ? mark_held_locks+0x130/0x130 [ 357.190777] ? filemap_map_pages+0xd6b/0x1a20 [ 357.195270] ? lock_downgrade+0x900/0x900 [ 357.199413] ? check_preemption_disabled+0x48/0x280 [ 357.204436] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.209371] ? kasan_check_read+0x11/0x20 [ 357.213516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.218805] ? rcu_softirq_qs+0x20/0x20 [ 357.222792] ? filemap_map_pages+0xd92/0x1a20 [ 357.227297] ? print_usage_bug+0xc0/0xc0 [ 357.231366] ? find_get_entries_tag+0x1400/0x1400 [ 357.236206] ? __kasan_slab_free+0x102/0x150 [ 357.240617] ? kasan_slab_free+0xe/0x10 [ 357.244586] ? kmem_cache_free+0x83/0x290 [ 357.248737] ? __sigqueue_free.part.29+0x74/0x90 [ 357.253532] ? lock_acquire+0x1ed/0x520 [ 357.257524] ? ext4_filemap_fault+0x7a/0xad [ 357.261863] ? lock_release+0xa00/0xa00 [ 357.265835] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.271319] ? print_usage_bug+0xc0/0xc0 [ 357.275381] ? print_usage_bug+0xc0/0xc0 [ 357.279460] ? down_read+0x8d/0x120 [ 357.283088] ? ext4_filemap_fault+0x7a/0xad [ 357.287416] ? __down_interruptible+0x700/0x700 [ 357.292105] ext4_filemap_fault+0x82/0xad [ 357.296275] __do_fault+0x100/0x6b0 [ 357.299911] ? pmd_devmap_trans_unstable+0x220/0x220 [ 357.305037] ? mark_held_locks+0x130/0x130 [ 357.309275] ? mark_held_locks+0x130/0x130 [ 357.313517] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 357.319062] ? rcu_pm_notify+0xc0/0xc0 [ 357.322958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.328509] __handle_mm_fault+0x3ea0/0x5be0 [ 357.332931] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 357.337779] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.342300] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 357.346904] ? trace_hardirqs_on+0xbd/0x310 [ 357.351229] ? kasan_check_read+0x11/0x20 [ 357.355376] ? __set_current_blocked+0xdf/0x120 [ 357.360046] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.365162] ? zap_class+0x640/0x640 [ 357.368873] ? zap_class+0x640/0x640 [ 357.372611] ? find_held_lock+0x36/0x1c0 [ 357.376680] ? handle_mm_fault+0x42a/0xc70 [ 357.380916] ? lock_downgrade+0x900/0x900 [ 357.385069] ? check_preemption_disabled+0x48/0x280 [ 357.390105] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.395036] ? kasan_check_read+0x11/0x20 [ 357.399184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.404485] ? rcu_softirq_qs+0x20/0x20 [ 357.408469] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.413581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.419119] ? check_preemption_disabled+0x48/0x280 [ 357.424166] handle_mm_fault+0x54f/0xc70 [ 357.428231] ? __handle_mm_fault+0x5be0/0x5be0 [ 357.432821] ? find_vma+0x34/0x190 [ 357.436368] __do_page_fault+0x5e8/0xe60 [ 357.440429] ? exit_to_usermode_loop+0x1f4/0x380 [ 357.445197] do_page_fault+0xf2/0x7e0 [ 357.449019] ? vmalloc_sync_all+0x30/0x30 [ 357.453196] ? error_entry+0x70/0xd0 [ 357.456908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.461937] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.466861] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.471783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.476631] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.481643] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.487093] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.492100] ? page_fault+0x8/0x30 [ 357.495640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.500486] ? page_fault+0x8/0x30 [ 357.504023] page_fault+0x1e/0x30 [ 357.507478] RIP: 0033:0x45db60 [ 357.510673] Code: Bad RIP value. [ 357.514027] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 357.519413] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 357.526700] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 357.533968] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 357.541260] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 357.548523] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 357.555823] warn_alloc_show_mem: 1 callbacks suppressed [ 357.555834] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 357.555836] Mem-Info: [ 357.555866] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 357.555866] active_file:10 inactive_file:13 isolated_file:0 [ 357.555866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.555866] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 357.555866] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 357.555866] free:13762 free_pcp:404 free_cma:0 [ 357.561204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.568551] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.570950] Call Trace: [ 357.603951] 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 [ 357.613290] <IRQ> [ 357.640610] lowmem_reserve[]: 0 2818 6321 6321 [ 357.643196] dump_stack+0x244/0x39d [ 357.669282] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 357.671442] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.675993] lowmem_reserve[]: 0 0 3503 3503 [ 357.679625] warn_alloc.cold.116+0xb7/0x1bd [ 357.707099] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 357.712308] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.716605] lowmem_reserve[]: 0 0 0 0 [ 357.720923] ? lock_downgrade+0x900/0x900 [ 357.750014] 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 [ 357.755416] ? trace_hardirqs_off+0xb8/0x310 [ 357.759188] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 357.763334] ? trace_hardirqs_off+0xb8/0x310 [ 357.776839] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 357.781263] __alloc_pages_slowpath+0x26e8/0x2e10 [ 357.796669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.801103] ? warn_alloc+0x120/0x120 [ 357.815105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.819937] ? print_usage_bug+0xc0/0xc0 [ 357.828746] 267 total pagecache pages [ 357.832537] ? warn_alloc+0x120/0x120 [ 357.841098] 0 pages in swap cache [ 357.845147] ? warn_alloc+0x120/0x120 [ 357.848923] Swap cache stats: add 0, delete 0, find 0/0 [ 357.852712] ? print_usage_bug+0xc0/0xc0 [ 357.856143] Free swap = 0kB [ 357.859947] ? kvm_clock_read+0x18/0x30 [ 357.865282] Total swap = 0kB [ 357.869337] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 357.872329] 1965979 pages RAM [ 357.876296] ? print_usage_bug+0xc0/0xc0 [ 357.879309] 0 pages HighMem/MovableOnly [ 357.884315] ? __lock_acquire+0x62f/0x4c20 [ 357.887389] 342853 pages reserved [ 357.887397] 0 pages cma reserved [ 357.891473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.895484] aoe: skb alloc failure [ 357.899657] ? should_fail+0x22d/0xd01 [ 357.899685] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.899704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.903168] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.906499] ? __lock_acquire+0x62f/0x4c20 [ 357.912026] syz-fuzzer cpuset=/ mems_allowed=0 [ 357.915562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.953912] ? __lock_acquire+0x62f/0x4c20 [ 357.958145] ? should_fail+0x22d/0xd01 [ 357.962028] ? rcu_irq_exit+0x1a2/0x390 [ 357.966030] ? mark_held_locks+0x130/0x130 [ 357.970270] ? mark_held_locks+0x130/0x130 [ 357.974508] ? mark_held_locks+0xc7/0x130 [ 357.978656] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 357.983669] ? zap_class+0x640/0x640 [ 357.987384] ? print_usage_bug+0xc0/0xc0 [ 357.991454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.996992] ? check_preemption_disabled+0x48/0x280 [ 358.002018] ? __lock_is_held+0xb5/0x140 [ 358.006122] __alloc_pages_nodemask+0xa80/0xde0 [ 358.010792] ? zap_class+0x640/0x640 [ 358.014514] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.019540] ? find_held_lock+0x36/0x1c0 [ 358.023608] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.028278] ? lock_downgrade+0x900/0x900 [ 358.032521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.038095] cache_grow_begin+0xa5/0x8c0 [ 358.042182] ? do_raw_spin_unlock+0xa7/0x330 [ 358.046593] fallback_alloc+0x204/0x2e0 [ 358.050571] ____cache_alloc_node+0x1c7/0x1e0 [ 358.055098] kmem_cache_alloc_node+0xe3/0x730 [ 358.059597] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.063846] __alloc_skb+0x119/0x770 [ 358.067557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.072841] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.077262] ? lock_downgrade+0x900/0x900 [ 358.081420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.086962] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.092415] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.097889] ? addrconf_rs_timer+0x690/0x690 [ 358.102315] ndisc_alloc_skb+0x144/0x340 [ 358.106383] ndisc_send_rs+0x331/0x6e0 [ 358.110275] addrconf_rs_timer+0x314/0x690 [ 358.114519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.118762] call_timer_fn+0x272/0x920 [ 358.122649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.126886] ? process_timeout+0x40/0x40 [ 358.130984] ? __run_timers+0x7da/0xc70 [ 358.134964] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.139466] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.143990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.148255] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.152839] ? trace_hardirqs_on+0xbd/0x310 [ 358.157159] ? kasan_check_read+0x11/0x20 [ 358.161315] ? __run_timers+0x7da/0xc70 [ 358.165287] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.170395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.174636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.178871] __run_timers+0x7e5/0xc70 [ 358.182683] ? timer_fixup_init+0x70/0x70 [ 358.186840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.191874] ? zap_class+0x640/0x640 [ 358.195609] ? enqueue_hrtimer+0x1a5/0x560 [ 358.199848] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.205068] ? find_held_lock+0x36/0x1c0 [ 358.209148] ? zap_class+0x640/0x640 [ 358.212868] ? pvclock_read_flags+0x160/0x160 [ 358.217368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.222909] ? check_preemption_disabled+0x48/0x280 [ 358.227955] ? __lock_is_held+0xb5/0x140 [ 358.232017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.237561] ? check_preemption_disabled+0x48/0x280 [ 358.242586] run_timer_softirq+0x52/0xb0 [ 358.246666] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.251687] __do_softirq+0x308/0xb7e [ 358.255530] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 358.260038] ? lock_downgrade+0x900/0x900 [ 358.264192] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.269307] ? pvclock_read_flags+0x160/0x160 [ 358.273802] ? lapic_next_event+0x5a/0x90 [ 358.277950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.283508] ? kvm_clock_read+0x18/0x30 [ 358.287483] ? kvm_sched_clock_read+0x9/0x20 [ 358.291896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.297437] ? check_preemption_disabled+0x48/0x280 [ 358.302484] irq_exit+0x17f/0x1c0 [ 358.305970] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.310815] ? smp_reschedule_interrupt+0x109/0x650 [ 358.315849] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.321738] ? interrupt_entry+0xb5/0xc0 [ 358.325820] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.330836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.335869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.340731] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.345773] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.350835] ? task_prio+0x50/0x50 [ 358.354380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.359927] ? check_preemption_disabled+0x48/0x280 [ 358.364957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.369825] apic_timer_interrupt+0xf/0x20 [ 358.374053] </IRQ> [ 358.376306] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.381239] 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 ac [ 358.400145] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 358.407848] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.415130] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 358.422395] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 358.429657] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.436929] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 358.444254] skb_clone+0x1bb/0x500 [ 358.447794] ? finish_task_switch+0x1b4/0x910 [ 358.452288] ? skb_split+0x11e0/0x11e0 [ 358.456176] ? preempt_notifier_register+0x200/0x200 [ 358.461274] ? __switch_to_asm+0x34/0x70 [ 358.465330] ? __switch_to_asm+0x34/0x70 [ 358.469387] ? __switch_to_asm+0x40/0x70 [ 358.473452] ? __switch_to_asm+0x34/0x70 [ 358.477513] ? __switch_to_asm+0x40/0x70 [ 358.481570] ? __switch_to_asm+0x34/0x70 [ 358.485626] ? __switch_to_asm+0x40/0x70 [ 358.489683] ? __switch_to_asm+0x34/0x70 [ 358.493740] ? __switch_to_asm+0x34/0x70 [ 358.497794] ? __switch_to_asm+0x40/0x70 [ 358.501848] ? __switch_to_asm+0x34/0x70 [ 358.505932] bpf_clone_redirect+0xb9/0x490 [ 358.510169] ? __schedule+0x8d7/0x21d0 [ 358.514061] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 358.519103] ? __sched_text_start+0x8/0x8 [ 358.523254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.528034] ? find_held_lock+0x36/0x1c0 [ 358.532100] ? lock_acquire+0x1ed/0x520 [ 358.536076] ? bpf_test_run+0x3cb/0x780 [ 358.540051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.545591] ? check_preemption_disabled+0x48/0x280 [ 358.550613] ? kasan_check_read+0x11/0x20 [ 358.554764] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.560038] ? rcu_softirq_qs+0x20/0x20 [ 358.564012] ? preempt_schedule+0x4d/0x60 [ 358.568183] ? ___preempt_schedule+0x16/0x18 [ 358.572604] ? bpf_test_run+0x25d/0x780 [ 358.576605] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.581018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.586559] ? bpf_test_init.isra.10+0x70/0x100 [ 358.591251] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 358.596019] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.600860] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.606408] ? fput+0x130/0x1a0 [ 358.609702] ? __bpf_prog_get+0x9b/0x290 [ 358.613762] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.618649] ? bpf_prog_test_run+0x130/0x1a0 [ 358.623062] ? __x64_sys_bpf+0x3d8/0x520 [ 358.627125] ? bpf_prog_get+0x20/0x20 [ 358.630973] ? do_syscall_64+0x1b9/0x820 [ 358.635059] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.640464] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.645390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.650238] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.655249] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.660260] ? prepare_exit_to_usermode+0x291/0x3b0 [ 358.665277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.670152] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.675575] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 358.675679] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.682517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.682522] Call Trace: [ 358.682527] <IRQ> [ 358.682543] dump_stack+0x244/0x39d [ 358.682562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.689117] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.698397] warn_alloc.cold.116+0xb7/0x1bd [ 358.700965] syz-executor2 cpuset=syz2 mems_allowed=0 [ 358.703122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.736610] ? lock_downgrade+0x900/0x900 [ 358.740770] ? trace_hardirqs_off+0xb8/0x310 [ 358.745204] ? trace_hardirqs_off+0xb8/0x310 [ 358.749622] __alloc_pages_slowpath+0x26e8/0x2e10 [ 358.754503] ? warn_alloc+0x120/0x120 [ 358.758331] ? warn_alloc+0x120/0x120 [ 358.762139] ? __lock_acquire+0x62f/0x4c20 [ 358.766386] ? warn_alloc+0x120/0x120 [ 358.770191] ? print_usage_bug+0xc0/0xc0 [ 358.774261] ? print_usage_bug+0xc0/0xc0 [ 358.778341] ? mark_held_locks+0x130/0x130 [ 358.782633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.788174] ? should_fail+0x22d/0xd01 [ 358.792062] ? zap_class+0x640/0x640 [ 358.795798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.800916] ? __lock_acquire+0x62f/0x4c20 [ 358.805158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.810281] ? should_fail+0x22d/0xd01 [ 358.814198] ? mark_held_locks+0x130/0x130 [ 358.818459] ? mark_held_locks+0x130/0x130 [ 358.822740] ? lock_downgrade+0x900/0x900 [ 358.826903] ? zap_class+0x640/0x640 [ 358.830621] ? zap_class+0x640/0x640 [ 358.834340] ? zap_class+0x640/0x640 [ 358.838071] ? do_raw_spin_unlock+0xa7/0x330 [ 358.842510] ? trace_hardirqs_on+0x310/0x310 [ 358.846935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.852482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.858062] ? check_preemption_disabled+0x48/0x280 [ 358.863117] ? __lock_is_held+0xb5/0x140 [ 358.867184] __alloc_pages_nodemask+0xa80/0xde0 [ 358.871854] ? zap_class+0x640/0x640 [ 358.875588] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.880617] ? find_held_lock+0x36/0x1c0 [ 358.884707] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.889389] ? lock_downgrade+0x900/0x900 [ 358.893561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.899154] cache_grow_begin+0xa5/0x8c0 [ 358.903225] ? do_raw_spin_unlock+0xa7/0x330 [ 358.907649] fallback_alloc+0x204/0x2e0 [ 358.911631] ____cache_alloc_node+0x1c7/0x1e0 [ 358.916151] kmem_cache_alloc_node+0xe3/0x730 [ 358.920661] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.925273] __alloc_skb+0x119/0x770 [ 358.929002] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.934405] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.938825] ? vprintk_default+0x28/0x30 [ 358.942883] ? vprintk_func+0x85/0x181 [ 358.946802] ? printk+0xa7/0xcf [ 358.950080] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 358.954867] new_skb+0x26/0x1c0 [ 358.958169] aoecmd_cfg+0x279/0x7f0 [ 358.961803] ? find_held_lock+0x36/0x1c0 [ 358.965861] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 358.970186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.975739] ? __lock_is_held+0xb5/0x140 [ 358.979811] discover_timer+0x50/0x60 [ 358.983608] call_timer_fn+0x272/0x920 [ 358.987497] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.992341] ? process_timeout+0x40/0x40 [ 358.996413] ? mark_held_locks+0xc7/0x130 [ 359.000573] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.005111] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.009610] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 359.014461] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.019049] ? trace_hardirqs_on+0xbd/0x310 [ 359.023387] ? kasan_check_read+0x11/0x20 [ 359.027540] ? __run_timers+0x7da/0xc70 [ 359.031518] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.036641] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 359.041488] __run_timers+0x7e5/0xc70 [ 359.045297] ? timer_fixup_init+0x70/0x70 [ 359.049456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.054482] ? zap_class+0x640/0x640 [ 359.058197] ? print_usage_bug+0xc0/0xc0 [ 359.062261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.067467] ? find_held_lock+0x36/0x1c0 [ 359.071537] ? zap_class+0x640/0x640 [ 359.075255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.080794] ? check_preemption_disabled+0x48/0x280 [ 359.085821] ? __lock_is_held+0xb5/0x140 [ 359.089881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.095420] ? check_preemption_disabled+0x48/0x280 [ 359.100453] run_timer_softirq+0x52/0xb0 [ 359.104512] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.109531] __do_softirq+0x308/0xb7e [ 359.113332] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 359.117833] ? lock_downgrade+0x900/0x900 [ 359.121994] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.127105] ? pvclock_read_flags+0x160/0x160 [ 359.131599] ? lapic_next_event+0x5a/0x90 [ 359.135754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.141295] ? kvm_clock_read+0x18/0x30 [ 359.145283] ? kvm_sched_clock_read+0x9/0x20 [ 359.149700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.155239] ? check_preemption_disabled+0x48/0x280 [ 359.160277] irq_exit+0x17f/0x1c0 [ 359.163747] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.168594] ? smp_reschedule_interrupt+0x109/0x650 [ 359.173610] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.179490] ? interrupt_entry+0xb5/0xc0 [ 359.183549] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.188575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.193627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.198491] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.203519] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.208532] ? task_prio+0x50/0x50 [ 359.212082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.217617] ? check_preemption_disabled+0x48/0x280 [ 359.222635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.227488] apic_timer_interrupt+0xf/0x20 [ 359.231713] </IRQ> [ 359.233959] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 359.239154] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 359.258049] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 359.265751] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 359.273015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 359.280280] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 359.287544] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 359.294839] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 359.302162] retint_kernel+0x1b/0x2d [ 359.305890] RIP: 0010:dump_stack+0x358/0x39d [ 359.310309] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 359.329204] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 359.336936] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 359.344259] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 359.351530] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 359.358794] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 359.366069] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 359.373346] ? dump_stack+0x34f/0x39d [ 359.377149] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.382340] ? mark_held_locks+0x130/0x130 [ 359.386571] ? mark_held_locks+0x130/0x130 [ 359.390805] dump_header+0x27b/0xf72 [ 359.394527] ? pagefault_out_of_memory+0x197/0x197 [ 359.399484] ? __lock_acquire+0x62f/0x4c20 [ 359.403743] ? percpu_ref_get_many+0x240/0x240 [ 359.408331] ? print_usage_bug+0xc0/0xc0 [ 359.412396] ? zap_class+0x640/0x640 [ 359.416109] ? print_usage_bug+0xc0/0xc0 [ 359.420167] ? print_usage_bug+0xc0/0xc0 [ 359.424226] ? zap_class+0x640/0x640 [ 359.427955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.433491] ? find_held_lock+0x36/0x1c0 [ 359.437581] ? mark_held_locks+0xc7/0x130 [ 359.441750] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.446848] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.451952] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.456531] ? trace_hardirqs_on+0xbd/0x310 [ 359.460846] ? kasan_check_read+0x11/0x20 [ 359.465018] ? ___ratelimit+0x3b4/0x672 [ 359.469059] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.474163] ? trace_hardirqs_on+0x310/0x310 [ 359.478583] ? lock_downgrade+0x900/0x900 [ 359.482737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.487851] ? ___ratelimit+0x3b9/0x672 [ 359.491822] ? idr_get_free+0xf70/0xf70 [ 359.495795] ? find_held_lock+0x36/0x1c0 [ 359.499872] oom_kill_process.cold.27+0x10/0x903 [ 359.504628] ? zap_class+0x640/0x640 [ 359.508344] ? check_preemption_disabled+0x48/0x280 [ 359.513398] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.518326] ? kasan_check_read+0x11/0x20 [ 359.522495] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.527777] ? oom_evaluate_task+0x540/0x540 [ 359.532183] ? find_held_lock+0x36/0x1c0 [ 359.536247] ? out_of_memory+0x974/0x1430 [ 359.540410] ? lock_downgrade+0x900/0x900 [ 359.544558] ? check_preemption_disabled+0x48/0x280 [ 359.549575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.554515] ? kasan_check_read+0x11/0x20 [ 359.558662] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.563952] ? rcu_softirq_qs+0x20/0x20 [ 359.567928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.573468] ? oom_evaluate_task+0x302/0x540 [ 359.577881] out_of_memory+0xa84/0x1430 [ 359.581876] ? oom_killer_disable+0x3a0/0x3a0 [ 359.586366] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 359.591750] ? __ww_mutex_check_waiters+0x160/0x160 [ 359.596787] __alloc_pages_slowpath+0x2354/0x2e10 [ 359.601706] ? warn_alloc+0x120/0x120 [ 359.605521] ? mark_held_locks+0x130/0x130 [ 359.609758] ? find_get_entry+0xaae/0x1120 [ 359.613995] ? filemap_map_pages+0x1a20/0x1a20 [ 359.618589] ? zap_class+0x640/0x640 [ 359.622306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.627839] ? check_preemption_disabled+0x48/0x280 [ 359.632851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.638384] ? should_fail+0x22d/0xd01 [ 359.642269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.647369] ? zap_class+0x640/0x640 [ 359.651100] ? __lock_is_held+0xb5/0x140 [ 359.655197] ? mark_held_locks+0x130/0x130 [ 359.659480] ? lock_release+0xa00/0xa00 [ 359.663481] ? perf_trace_sched_process_exec+0x860/0x860 [ 359.668918] ? xa_load+0x2ba/0x460 [ 359.672450] ? lock_downgrade+0x900/0x900 [ 359.676609] ? __might_sleep+0x95/0x190 [ 359.680583] __alloc_pages_nodemask+0xa80/0xde0 [ 359.685259] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.690287] ? __page_cache_alloc+0x191/0x5c0 [ 359.694773] ? xa_load+0x2e1/0x460 [ 359.698317] ? xa_clear_mark+0x40/0x40 [ 359.702201] ? zap_class+0x640/0x640 [ 359.705919] ? zap_class+0x640/0x640 [ 359.709634] ? zap_class+0x640/0x640 [ 359.713345] ? __do_page_cache_readahead+0x663/0x810 [ 359.718458] ? find_held_lock+0x36/0x1c0 [ 359.722528] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 359.728101] alloc_pages_current+0x173/0x350 [ 359.732512] __page_cache_alloc+0x38c/0x5c0 [ 359.736827] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.741771] ? kasan_check_read+0x11/0x20 [ 359.745992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.751290] ? generic_perform_write+0x6a0/0x6a0 [ 359.756046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.761584] ? check_preemption_disabled+0x48/0x280 [ 359.766612] filemap_fault+0x1595/0x25f0 [ 359.770688] ? __lock_page_or_retry+0xa00/0xa00 [ 359.775366] ? mark_held_locks+0x130/0x130 [ 359.779656] ? filemap_map_pages+0xd6b/0x1a20 [ 359.784150] ? lock_downgrade+0x900/0x900 [ 359.788299] ? check_preemption_disabled+0x48/0x280 [ 359.793318] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.798247] ? kasan_check_read+0x11/0x20 [ 359.802428] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.807733] ? rcu_softirq_qs+0x20/0x20 [ 359.811726] ? filemap_map_pages+0xd92/0x1a20 [ 359.816229] ? print_usage_bug+0xc0/0xc0 [ 359.820299] ? find_get_entries_tag+0x1400/0x1400 [ 359.825142] ? __kasan_slab_free+0x102/0x150 [ 359.829552] ? kasan_slab_free+0xe/0x10 [ 359.833538] ? kmem_cache_free+0x83/0x290 [ 359.837766] ? __sigqueue_free.part.29+0x74/0x90 [ 359.842557] ? lock_acquire+0x1ed/0x520 [ 359.846536] ? ext4_filemap_fault+0x7a/0xad [ 359.850866] ? lock_release+0xa00/0xa00 [ 359.854852] ? perf_trace_sched_process_exec+0x860/0x860 [ 359.860311] ? print_usage_bug+0xc0/0xc0 [ 359.864374] ? print_usage_bug+0xc0/0xc0 [ 359.868457] ? down_read+0x8d/0x120 [ 359.872087] ? ext4_filemap_fault+0x7a/0xad [ 359.876411] ? __down_interruptible+0x700/0x700 [ 359.881100] ext4_filemap_fault+0x82/0xad [ 359.885285] __do_fault+0x100/0x6b0 [ 359.888922] ? pmd_devmap_trans_unstable+0x220/0x220 [ 359.894055] ? mark_held_locks+0x130/0x130 [ 359.898304] ? mark_held_locks+0x130/0x130 [ 359.902555] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 359.908098] ? rcu_pm_notify+0xc0/0xc0 [ 359.911998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.917576] __handle_mm_fault+0x3ea0/0x5be0 [ 359.921998] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 359.926841] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.931339] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.935923] ? trace_hardirqs_on+0xbd/0x310 [ 359.940245] ? kasan_check_read+0x11/0x20 [ 359.944398] ? __set_current_blocked+0xdf/0x120 [ 359.949086] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.954222] ? zap_class+0x640/0x640 [ 359.957958] ? zap_class+0x640/0x640 [ 359.961682] ? find_held_lock+0x36/0x1c0 [ 359.965756] ? handle_mm_fault+0x42a/0xc70 [ 359.969994] ? lock_downgrade+0x900/0x900 [ 359.974148] ? check_preemption_disabled+0x48/0x280 [ 359.979167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.984125] ? kasan_check_read+0x11/0x20 [ 359.988272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.993557] ? rcu_softirq_qs+0x20/0x20 [ 359.997622] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.002781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.008353] ? check_preemption_disabled+0x48/0x280 [ 360.013375] handle_mm_fault+0x54f/0xc70 [ 360.017439] ? __handle_mm_fault+0x5be0/0x5be0 [ 360.022036] ? find_vma+0x34/0x190 [ 360.025607] __do_page_fault+0x5e8/0xe60 [ 360.029714] ? exit_to_usermode_loop+0x1f4/0x380 [ 360.034486] do_page_fault+0xf2/0x7e0 [ 360.038287] ? vmalloc_sync_all+0x30/0x30 [ 360.042471] ? error_entry+0x70/0xd0 [ 360.046186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.051201] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.056136] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.061074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.065947] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.070967] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.076425] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.081454] ? page_fault+0x8/0x30 [ 360.084999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.089868] ? page_fault+0x8/0x30 [ 360.093438] page_fault+0x1e/0x30 [ 360.096952] RIP: 0033:0x45db60 [ 360.100159] Code: Bad RIP value. [ 360.103533] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 360.108893] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 360.116161] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 360.123429] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 360.130701] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 360.137975] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 360.145262] warn_alloc_show_mem: 1 callbacks suppressed [ 360.145274] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 360.145276] Mem-Info: [ 360.145306] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 360.145306] active_file:10 inactive_file:13 isolated_file:0 [ 360.145306] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.145306] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 360.145306] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 360.145306] free:13762 free_pcp:404 free_cma:0 [ 360.150650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.157929] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.160339] Call Trace: [ 360.193123] 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 [ 360.202473] <IRQ> [ 360.229792] lowmem_reserve[]: 0 2818 6321 6321 [ 360.232382] dump_stack+0x244/0x39d [ 360.258479] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 360.260647] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.265225] lowmem_reserve[]: 0 0 3503 3503 [ 360.268870] warn_alloc.cold.116+0xb7/0x1bd [ 360.296345] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 360.301537] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.305824] lowmem_reserve[]: 0 0 0 0 [ 360.310144] ? lock_downgrade+0x900/0x900 [ 360.339100] 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 [ 360.343953] ? trace_hardirqs_off+0xb8/0x310 [ 360.347723] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 360.351881] ? trace_hardirqs_off+0xb8/0x310 [ 360.365383] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 360.369796] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.385200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.389625] ? warn_alloc+0x120/0x120 [ 360.403625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.408460] ? print_usage_bug+0xc0/0xc0 [ 360.417268] 267 total pagecache pages [ 360.421086] ? warn_alloc+0x120/0x120 [ 360.429655] 0 pages in swap cache [ 360.433706] ? warn_alloc+0x120/0x120 [ 360.437486] Swap cache stats: add 0, delete 0, find 0/0 [ 360.441272] ? print_usage_bug+0xc0/0xc0 [ 360.444695] Free swap = 0kB [ 360.448533] ? kvm_clock_read+0x18/0x30 [ 360.453890] Total swap = 0kB [ 360.457943] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.460934] 1965979 pages RAM [ 360.464897] ? print_usage_bug+0xc0/0xc0 [ 360.467905] 0 pages HighMem/MovableOnly [ 360.472907] ? __lock_acquire+0x62f/0x4c20 [ 360.475986] 342853 pages reserved [ 360.480036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.483979] 0 pages cma reserved [ 360.488206] ? should_fail+0x22d/0xd01 [ 360.491683] aoe: skb alloc failure [ 360.497165] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.497181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.497196] ? __lock_acquire+0x62f/0x4c20 [ 360.500598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.504428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.507942] syz-fuzzer cpuset=/ mems_allowed=0 [ 360.513201] ? __lock_acquire+0x62f/0x4c20 [ 360.513215] ? should_fail+0x22d/0xd01 [ 360.550622] ? rcu_irq_exit+0x1a2/0x390 [ 360.554646] ? mark_held_locks+0x130/0x130 [ 360.558901] ? mark_held_locks+0x130/0x130 [ 360.563134] ? mark_held_locks+0xc7/0x130 [ 360.567275] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 360.572286] ? zap_class+0x640/0x640 [ 360.576020] ? print_usage_bug+0xc0/0xc0 [ 360.580089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.585629] ? check_preemption_disabled+0x48/0x280 [ 360.590670] ? __lock_is_held+0xb5/0x140 [ 360.594747] __alloc_pages_nodemask+0xa80/0xde0 [ 360.599455] ? zap_class+0x640/0x640 [ 360.603180] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.608213] ? find_held_lock+0x36/0x1c0 [ 360.612295] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.616968] ? lock_downgrade+0x900/0x900 [ 360.621125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.626676] cache_grow_begin+0xa5/0x8c0 [ 360.630743] ? do_raw_spin_unlock+0xa7/0x330 [ 360.635169] fallback_alloc+0x204/0x2e0 [ 360.639153] ____cache_alloc_node+0x1c7/0x1e0 [ 360.643655] kmem_cache_alloc_node+0xe3/0x730 [ 360.648159] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.652401] __alloc_skb+0x119/0x770 [ 360.656112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.661393] ? netdev_alloc_frag+0x1f0/0x1f0 [ 360.665801] ? lock_downgrade+0x900/0x900 [ 360.669959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.675521] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.680995] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.686471] ? addrconf_rs_timer+0x690/0x690 [ 360.690916] ndisc_alloc_skb+0x144/0x340 [ 360.695005] ndisc_send_rs+0x331/0x6e0 [ 360.698902] addrconf_rs_timer+0x314/0x690 [ 360.703144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.707422] call_timer_fn+0x272/0x920 [ 360.711359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.715594] ? process_timeout+0x40/0x40 [ 360.719692] ? __run_timers+0x7da/0xc70 [ 360.723677] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.728176] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.732675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.736931] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.741518] ? trace_hardirqs_on+0xbd/0x310 [ 360.745860] ? kasan_check_read+0x11/0x20 [ 360.750023] ? __run_timers+0x7da/0xc70 [ 360.753998] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.759105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.763359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.767591] __run_timers+0x7e5/0xc70 [ 360.771411] ? timer_fixup_init+0x70/0x70 [ 360.775575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.780596] ? zap_class+0x640/0x640 [ 360.784316] ? enqueue_hrtimer+0x1a5/0x560 [ 360.788588] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.793806] ? find_held_lock+0x36/0x1c0 [ 360.797879] ? zap_class+0x640/0x640 [ 360.801598] ? pvclock_read_flags+0x160/0x160 [ 360.806098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.811641] ? check_preemption_disabled+0x48/0x280 [ 360.816704] ? __lock_is_held+0xb5/0x140 [ 360.820772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.826317] ? check_preemption_disabled+0x48/0x280 [ 360.831343] run_timer_softirq+0x52/0xb0 [ 360.835425] ? rcu_read_lock_sched_held+0x14f/0x180 [ 360.840463] __do_softirq+0x308/0xb7e [ 360.844274] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 360.848769] ? lock_downgrade+0x900/0x900 [ 360.852925] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.858053] ? pvclock_read_flags+0x160/0x160 [ 360.862555] ? lapic_next_event+0x5a/0x90 [ 360.866713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.872265] ? kvm_clock_read+0x18/0x30 [ 360.876240] ? kvm_sched_clock_read+0x9/0x20 [ 360.880671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.886213] ? check_preemption_disabled+0x48/0x280 [ 360.891268] irq_exit+0x17f/0x1c0 [ 360.894730] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.899575] ? smp_reschedule_interrupt+0x109/0x650 [ 360.904615] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.910516] ? interrupt_entry+0xb5/0xc0 [ 360.914584] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.919603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.924639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.929489] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.934508] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.939529] ? task_prio+0x50/0x50 [ 360.943072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.948615] ? check_preemption_disabled+0x48/0x280 [ 360.953646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.958501] apic_timer_interrupt+0xf/0x20 [ 360.962726] </IRQ> [ 360.964962] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 360.969907] 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 ac [ 360.988849] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 360.996557] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.003822] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 361.011091] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 361.018363] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.025632] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 361.032945] skb_clone+0x1bb/0x500 [ 361.036486] ? finish_task_switch+0x1b4/0x910 [ 361.041020] ? skb_split+0x11e0/0x11e0 [ 361.044913] ? preempt_notifier_register+0x200/0x200 [ 361.050133] ? __switch_to_asm+0x34/0x70 [ 361.054190] ? __switch_to_asm+0x34/0x70 [ 361.058280] ? __switch_to_asm+0x40/0x70 [ 361.062336] ? __switch_to_asm+0x34/0x70 [ 361.066388] ? __switch_to_asm+0x40/0x70 [ 361.070451] ? __switch_to_asm+0x34/0x70 [ 361.074525] ? __switch_to_asm+0x40/0x70 [ 361.078599] ? __switch_to_asm+0x34/0x70 [ 361.082662] ? __switch_to_asm+0x34/0x70 [ 361.086717] ? __switch_to_asm+0x40/0x70 [ 361.090817] ? __switch_to_asm+0x34/0x70 [ 361.094884] bpf_clone_redirect+0xb9/0x490 [ 361.099118] ? __schedule+0x8d7/0x21d0 [ 361.103009] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 361.108031] ? __sched_text_start+0x8/0x8 [ 361.112180] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.116985] ? find_held_lock+0x36/0x1c0 [ 361.121077] ? lock_acquire+0x1ed/0x520 [ 361.125077] ? bpf_test_run+0x3cb/0x780 [ 361.129083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.134628] ? check_preemption_disabled+0x48/0x280 [ 361.139654] ? kasan_check_read+0x11/0x20 [ 361.143804] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.149080] ? rcu_softirq_qs+0x20/0x20 [ 361.153056] ? preempt_schedule+0x4d/0x60 [ 361.157202] ? ___preempt_schedule+0x16/0x18 [ 361.161621] ? bpf_test_run+0x25d/0x780 [ 361.165614] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.170032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.175576] ? bpf_test_init.isra.10+0x70/0x100 [ 361.180261] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 361.185033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.189876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.195430] ? fput+0x130/0x1a0 [ 361.198719] ? __bpf_prog_get+0x9b/0x290 [ 361.202787] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.207635] ? bpf_prog_test_run+0x130/0x1a0 [ 361.212059] ? __x64_sys_bpf+0x3d8/0x520 [ 361.216116] ? bpf_prog_get+0x20/0x20 [ 361.219967] ? do_syscall_64+0x1b9/0x820 [ 361.224027] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.229393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.234333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.239184] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.244205] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.249231] ? prepare_exit_to_usermode+0x291/0x3b0 [ 361.254258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.259111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.264500] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 361.264591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.271456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.271462] Call Trace: [ 361.271469] <IRQ> [ 361.271488] dump_stack+0x244/0x39d [ 361.271506] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.278122] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.287348] warn_alloc.cold.116+0xb7/0x1bd [ 361.289903] syz-executor2 cpuset=syz2 mems_allowed=0 [ 361.292047] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.325563] ? lock_downgrade+0x900/0x900 [ 361.329729] ? trace_hardirqs_off+0xb8/0x310 [ 361.334147] ? trace_hardirqs_off+0xb8/0x310 [ 361.338589] __alloc_pages_slowpath+0x26e8/0x2e10 [ 361.343483] ? warn_alloc+0x120/0x120 [ 361.347293] ? warn_alloc+0x120/0x120 [ 361.351097] ? __lock_acquire+0x62f/0x4c20 [ 361.355338] ? warn_alloc+0x120/0x120 [ 361.359144] ? print_usage_bug+0xc0/0xc0 [ 361.363210] ? print_usage_bug+0xc0/0xc0 [ 361.367282] ? mark_held_locks+0x130/0x130 [ 361.371545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.377090] ? should_fail+0x22d/0xd01 [ 361.380981] ? zap_class+0x640/0x640 [ 361.384709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.389839] ? __lock_acquire+0x62f/0x4c20 [ 361.394083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.399203] ? should_fail+0x22d/0xd01 [ 361.403114] ? mark_held_locks+0x130/0x130 [ 361.407364] ? mark_held_locks+0x130/0x130 [ 361.411611] ? lock_downgrade+0x900/0x900 [ 361.415765] ? zap_class+0x640/0x640 [ 361.419487] ? zap_class+0x640/0x640 [ 361.423204] ? zap_class+0x640/0x640 [ 361.426919] ? do_raw_spin_unlock+0xa7/0x330 [ 361.431336] ? trace_hardirqs_on+0x310/0x310 [ 361.435755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.441313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.446874] ? check_preemption_disabled+0x48/0x280 [ 361.451911] ? __lock_is_held+0xb5/0x140 [ 361.456001] __alloc_pages_nodemask+0xa80/0xde0 [ 361.460676] ? zap_class+0x640/0x640 [ 361.464401] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 361.469442] ? find_held_lock+0x36/0x1c0 [ 361.473528] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.478212] ? lock_downgrade+0x900/0x900 [ 361.482414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.487969] cache_grow_begin+0xa5/0x8c0 [ 361.492037] ? do_raw_spin_unlock+0xa7/0x330 [ 361.496470] fallback_alloc+0x204/0x2e0 [ 361.500474] ____cache_alloc_node+0x1c7/0x1e0 [ 361.504986] kmem_cache_alloc_node+0xe3/0x730 [ 361.509493] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.514088] __alloc_skb+0x119/0x770 [ 361.517806] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.523185] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.527609] ? vprintk_default+0x28/0x30 [ 361.531702] ? vprintk_func+0x85/0x181 [ 361.535600] ? printk+0xa7/0xcf [ 361.538884] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 361.543653] new_skb+0x26/0x1c0 [ 361.546939] aoecmd_cfg+0x279/0x7f0 [ 361.550584] ? find_held_lock+0x36/0x1c0 [ 361.554653] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 361.559002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.564574] ? __lock_is_held+0xb5/0x140 [ 361.568659] discover_timer+0x50/0x60 [ 361.572473] call_timer_fn+0x272/0x920 [ 361.576371] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 361.581237] ? process_timeout+0x40/0x40 [ 361.585315] ? mark_held_locks+0xc7/0x130 [ 361.589483] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.594439] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.598948] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 361.603799] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.608395] ? trace_hardirqs_on+0xbd/0x310 [ 361.612725] ? kasan_check_read+0x11/0x20 [ 361.616871] ? __run_timers+0x7da/0xc70 [ 361.620851] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.625975] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 361.630851] __run_timers+0x7e5/0xc70 [ 361.634669] ? timer_fixup_init+0x70/0x70 [ 361.638846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.643869] ? zap_class+0x640/0x640 [ 361.647596] ? print_usage_bug+0xc0/0xc0 [ 361.651661] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 361.656871] ? find_held_lock+0x36/0x1c0 [ 361.660951] ? zap_class+0x640/0x640 [ 361.664690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.670236] ? check_preemption_disabled+0x48/0x280 [ 361.675268] ? __lock_is_held+0xb5/0x140 [ 361.679338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.684889] ? check_preemption_disabled+0x48/0x280 [ 361.689915] run_timer_softirq+0x52/0xb0 [ 361.693981] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.699002] __do_softirq+0x308/0xb7e [ 361.702821] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 361.707323] ? lock_downgrade+0x900/0x900 [ 361.711489] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.716611] ? pvclock_read_flags+0x160/0x160 [ 361.721115] ? lapic_next_event+0x5a/0x90 [ 361.725529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.731085] ? kvm_clock_read+0x18/0x30 [ 361.735068] ? kvm_sched_clock_read+0x9/0x20 [ 361.739492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.745042] ? check_preemption_disabled+0x48/0x280 [ 361.750075] irq_exit+0x17f/0x1c0 [ 361.753540] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.758385] ? smp_reschedule_interrupt+0x109/0x650 [ 361.763410] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.769308] ? interrupt_entry+0xb5/0xc0 [ 361.773378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.778403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.783427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.788287] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.793308] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.798332] ? task_prio+0x50/0x50 [ 361.801879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.807431] ? check_preemption_disabled+0x48/0x280 [ 361.812479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.817340] apic_timer_interrupt+0xf/0x20 [ 361.821577] </IRQ> [ 361.823822] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 361.829019] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 361.847936] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.855653] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 361.862930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 361.870205] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 361.877488] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 361.884768] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 361.892087] retint_kernel+0x1b/0x2d [ 361.895825] RIP: 0010:dump_stack+0x358/0x39d [ 361.900240] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 361.919156] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 361.926880] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 361.934163] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 361.941453] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 361.948740] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 361.956021] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 361.963324] ? dump_stack+0x34f/0x39d [ 361.967151] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.972361] ? mark_held_locks+0x130/0x130 [ 361.976603] ? mark_held_locks+0x130/0x130 [ 361.980849] dump_header+0x27b/0xf72 [ 361.984596] ? pagefault_out_of_memory+0x197/0x197 [ 361.989735] ? __lock_acquire+0x62f/0x4c20 [ 361.993976] ? percpu_ref_get_many+0x240/0x240 [ 361.998559] ? print_usage_bug+0xc0/0xc0 [ 362.002626] ? zap_class+0x640/0x640 [ 362.006343] ? print_usage_bug+0xc0/0xc0 [ 362.010400] ? print_usage_bug+0xc0/0xc0 [ 362.014472] ? zap_class+0x640/0x640 [ 362.018203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.023764] ? find_held_lock+0x36/0x1c0 [ 362.027851] ? mark_held_locks+0xc7/0x130 [ 362.032000] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.037144] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.042253] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.046833] ? trace_hardirqs_on+0xbd/0x310 [ 362.051162] ? kasan_check_read+0x11/0x20 [ 362.055308] ? ___ratelimit+0x3b4/0x672 [ 362.059282] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.064382] ? trace_hardirqs_on+0x310/0x310 [ 362.068788] ? lock_downgrade+0x900/0x900 [ 362.072940] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.078078] ? ___ratelimit+0x3b9/0x672 [ 362.082067] ? idr_get_free+0xf70/0xf70 [ 362.086040] ? find_held_lock+0x36/0x1c0 [ 362.090113] oom_kill_process.cold.27+0x10/0x903 [ 362.094888] ? zap_class+0x640/0x640 [ 362.098604] ? check_preemption_disabled+0x48/0x280 [ 362.103630] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.108563] ? kasan_check_read+0x11/0x20 [ 362.112730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.118043] ? oom_evaluate_task+0x540/0x540 [ 362.122482] ? find_held_lock+0x36/0x1c0 [ 362.126556] ? out_of_memory+0x974/0x1430 [ 362.130730] ? lock_downgrade+0x900/0x900 [ 362.134905] ? check_preemption_disabled+0x48/0x280 [ 362.139929] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.144879] ? kasan_check_read+0x11/0x20 [ 362.149030] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.154310] ? rcu_softirq_qs+0x20/0x20 [ 362.158291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.163835] ? oom_evaluate_task+0x302/0x540 [ 362.168257] out_of_memory+0xa84/0x1430 [ 362.172248] ? oom_killer_disable+0x3a0/0x3a0 [ 362.176753] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 362.181695] ? __ww_mutex_check_waiters+0x160/0x160 [ 362.186740] __alloc_pages_slowpath+0x2354/0x2e10 [ 362.191616] ? warn_alloc+0x120/0x120 [ 362.195424] ? mark_held_locks+0x130/0x130 [ 362.199676] ? find_get_entry+0xaae/0x1120 [ 362.203922] ? filemap_map_pages+0x1a20/0x1a20 [ 362.208518] ? zap_class+0x640/0x640 [ 362.212253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.217804] ? check_preemption_disabled+0x48/0x280 [ 362.222828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.228373] ? should_fail+0x22d/0xd01 [ 362.232269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.237377] ? zap_class+0x640/0x640 [ 362.241119] ? __lock_is_held+0xb5/0x140 [ 362.245198] ? mark_held_locks+0x130/0x130 [ 362.249452] ? lock_release+0xa00/0xa00 [ 362.253433] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.258911] ? xa_load+0x2ba/0x460 [ 362.262464] ? lock_downgrade+0x900/0x900 [ 362.266626] ? __might_sleep+0x95/0x190 [ 362.270610] __alloc_pages_nodemask+0xa80/0xde0 [ 362.275289] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.280309] ? __page_cache_alloc+0x191/0x5c0 [ 362.284817] ? xa_load+0x2e1/0x460 [ 362.288357] ? xa_clear_mark+0x40/0x40 [ 362.292245] ? zap_class+0x640/0x640 [ 362.295979] ? zap_class+0x640/0x640 [ 362.299758] ? zap_class+0x640/0x640 [ 362.303508] ? __do_page_cache_readahead+0x663/0x810 [ 362.308631] ? find_held_lock+0x36/0x1c0 [ 362.312702] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.318250] alloc_pages_current+0x173/0x350 [ 362.322670] __page_cache_alloc+0x38c/0x5c0 [ 362.326993] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.331960] ? kasan_check_read+0x11/0x20 [ 362.336111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.341392] ? generic_perform_write+0x6a0/0x6a0 [ 362.346148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.351684] ? check_preemption_disabled+0x48/0x280 [ 362.356713] filemap_fault+0x1595/0x25f0 [ 362.360798] ? __lock_page_or_retry+0xa00/0xa00 [ 362.365479] ? mark_held_locks+0x130/0x130 [ 362.369726] ? filemap_map_pages+0xd6b/0x1a20 [ 362.374256] ? lock_downgrade+0x900/0x900 [ 362.378403] ? check_preemption_disabled+0x48/0x280 [ 362.383421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.388450] ? kasan_check_read+0x11/0x20 [ 362.392598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.397904] ? rcu_softirq_qs+0x20/0x20 [ 362.401895] ? filemap_map_pages+0xd92/0x1a20 [ 362.406410] ? print_usage_bug+0xc0/0xc0 [ 362.410518] ? find_get_entries_tag+0x1400/0x1400 [ 362.415359] ? __kasan_slab_free+0x102/0x150 [ 362.419770] ? kasan_slab_free+0xe/0x10 [ 362.423759] ? kmem_cache_free+0x83/0x290 [ 362.427920] ? __sigqueue_free.part.29+0x74/0x90 [ 362.432694] ? lock_acquire+0x1ed/0x520 [ 362.436673] ? ext4_filemap_fault+0x7a/0xad [ 362.441056] ? lock_release+0xa00/0xa00 [ 362.445053] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.450510] ? print_usage_bug+0xc0/0xc0 [ 362.454569] ? print_usage_bug+0xc0/0xc0 [ 362.458643] ? down_read+0x8d/0x120 [ 362.462265] ? ext4_filemap_fault+0x7a/0xad [ 362.466583] ? __down_interruptible+0x700/0x700 [ 362.471258] ext4_filemap_fault+0x82/0xad [ 362.475407] __do_fault+0x100/0x6b0 [ 362.479070] ? pmd_devmap_trans_unstable+0x220/0x220 [ 362.484175] ? mark_held_locks+0x130/0x130 [ 362.488407] ? mark_held_locks+0x130/0x130 [ 362.492648] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 362.498184] ? rcu_pm_notify+0xc0/0xc0 [ 362.502076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.507623] __handle_mm_fault+0x3ea0/0x5be0 [ 362.512047] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 362.516886] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.521387] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.525991] ? trace_hardirqs_on+0xbd/0x310 [ 362.530314] ? kasan_check_read+0x11/0x20 [ 362.534469] ? __set_current_blocked+0xdf/0x120 [ 362.539142] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.544277] ? zap_class+0x640/0x640 [ 362.548016] ? zap_class+0x640/0x640 [ 362.551766] ? find_held_lock+0x36/0x1c0 [ 362.555887] ? handle_mm_fault+0x42a/0xc70 [ 362.560137] ? lock_downgrade+0x900/0x900 [ 362.564336] ? check_preemption_disabled+0x48/0x280 [ 362.569354] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.574281] ? kasan_check_read+0x11/0x20 [ 362.578430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.583724] ? rcu_softirq_qs+0x20/0x20 [ 362.587715] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.592831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.598370] ? check_preemption_disabled+0x48/0x280 [ 362.603391] handle_mm_fault+0x54f/0xc70 [ 362.607483] ? __handle_mm_fault+0x5be0/0x5be0 [ 362.612104] ? find_vma+0x34/0x190 [ 362.615662] __do_page_fault+0x5e8/0xe60 [ 362.619747] ? exit_to_usermode_loop+0x1f4/0x380 [ 362.624512] do_page_fault+0xf2/0x7e0 [ 362.628327] ? vmalloc_sync_all+0x30/0x30 [ 362.632477] ? error_entry+0x70/0xd0 [ 362.636190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.641204] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.646134] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.651062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.655921] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.660937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.666422] ? prepare_exit_to_usermode+0x291/0x3b0 [ 362.671469] ? page_fault+0x8/0x30 [ 362.675013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.679866] ? page_fault+0x8/0x30 [ 362.683404] page_fault+0x1e/0x30 [ 362.686879] RIP: 0033:0x45db60 [ 362.690095] Code: Bad RIP value. [ 362.693458] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 362.698820] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 362.706093] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 362.713364] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 362.720632] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 362.727901] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 362.735203] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 362.735209] warn_alloc_show_mem: 1 callbacks suppressed [ 362.735216] Mem-Info: [ 362.742497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.747870] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 362.747870] active_file:10 inactive_file:13 isolated_file:0 [ 362.747870] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.747870] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 362.747870] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 362.747870] free:13762 free_pcp:404 free_cma:0 [ 362.750244] Call Trace: [ 362.759685] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.792483] <IRQ> [ 362.795098] 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 [ 362.822435] dump_stack+0x244/0x39d [ 362.824570] lowmem_reserve[]: 0 2818 6321 6321 [ 362.850698] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.854298] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 362.858885] warn_alloc.cold.116+0xb7/0x1bd [ 362.864034] lowmem_reserve[]: 0 0 3503 3503 [ 362.891575] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.895899] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 362.900232] ? lock_downgrade+0x900/0x900 [ 362.905044] lowmem_reserve[]: 0 0 0 0 [ 362.934048] ? trace_hardirqs_off+0xb8/0x310 [ 362.938174] 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 [ 362.941975] ? trace_hardirqs_off+0xb8/0x310 [ 362.946356] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 362.959904] __alloc_pages_slowpath+0x26e8/0x2e10 [ 362.964290] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 362.979772] ? warn_alloc+0x120/0x120 [ 362.984583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 362.998633] ? print_usage_bug+0xc0/0xc0 [ 363.002441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.011279] ? warn_alloc+0x120/0x120 [ 363.015329] 267 total pagecache pages [ 363.023908] ? warn_alloc+0x120/0x120 [ 363.027688] 0 pages in swap cache [ 363.031541] ? print_usage_bug+0xc0/0xc0 [ 363.035330] Swap cache stats: add 0, delete 0, find 0/0 [ 363.038779] ? kvm_clock_read+0x18/0x30 [ 363.042825] Free swap = 0kB [ 363.048187] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.052133] Total swap = 0kB [ 363.055146] ? print_usage_bug+0xc0/0xc0 [ 363.060136] 1965979 pages RAM [ 363.063150] ? __lock_acquire+0x62f/0x4c20 [ 363.067188] 0 pages HighMem/MovableOnly [ 363.070288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.074503] 342853 pages reserved [ 363.078501] ? should_fail+0x22d/0xd01 [ 363.084018] 0 pages cma reserved [ 363.087471] ? __lock_acquire+0x62f/0x4c20 [ 363.091386] aoe: skb alloc failure [ 363.094723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.099026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.102490] ? __lock_acquire+0x62f/0x4c20 [ 363.107566] syz-fuzzer cpuset=/ mems_allowed=0 [ 363.117827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.131743] ? __lock_acquire+0x62f/0x4c20 [ 363.135991] ? should_fail+0x22d/0xd01 [ 363.139906] ? mark_held_locks+0x130/0x130 [ 363.144148] ? mark_held_locks+0x130/0x130 [ 363.148393] ? mark_held_locks+0xc7/0x130 [ 363.152541] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 363.157559] ? zap_class+0x640/0x640 [ 363.161277] ? print_usage_bug+0xc0/0xc0 [ 363.165342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.170883] ? check_preemption_disabled+0x48/0x280 [ 363.175915] ? __lock_is_held+0xb5/0x140 [ 363.179996] __alloc_pages_nodemask+0xa80/0xde0 [ 363.184667] ? zap_class+0x640/0x640 [ 363.188384] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 363.193414] ? find_held_lock+0x36/0x1c0 [ 363.197492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.202162] ? lock_downgrade+0x900/0x900 [ 363.206315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.211863] cache_grow_begin+0xa5/0x8c0 [ 363.215946] ? do_raw_spin_unlock+0xa7/0x330 [ 363.220364] fallback_alloc+0x204/0x2e0 [ 363.224346] ____cache_alloc_node+0x1c7/0x1e0 [ 363.228849] kmem_cache_alloc_node+0xe3/0x730 [ 363.233350] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.237595] __alloc_skb+0x119/0x770 [ 363.241311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.246595] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.251024] ? lock_downgrade+0x900/0x900 [ 363.255190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.260750] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.266246] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.271702] ? addrconf_rs_timer+0x690/0x690 [ 363.276126] ndisc_alloc_skb+0x144/0x340 [ 363.280193] ndisc_send_rs+0x331/0x6e0 [ 363.284089] addrconf_rs_timer+0x314/0x690 [ 363.288332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.292594] call_timer_fn+0x272/0x920 [ 363.296530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.300801] ? process_timeout+0x40/0x40 [ 363.304875] ? __run_timers+0x7da/0xc70 [ 363.308858] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.313353] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.317852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.322089] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.326673] ? trace_hardirqs_on+0xbd/0x310 [ 363.331014] ? kasan_check_read+0x11/0x20 [ 363.335162] ? __run_timers+0x7da/0xc70 [ 363.339140] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.344263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.348522] __run_timers+0x7e5/0xc70 [ 363.352333] ? timer_fixup_init+0x70/0x70 [ 363.356490] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.361514] ? zap_class+0x640/0x640 [ 363.365239] ? enqueue_hrtimer+0x1a5/0x560 [ 363.369482] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 363.374686] ? find_held_lock+0x36/0x1c0 [ 363.378758] ? zap_class+0x640/0x640 [ 363.382491] ? pvclock_read_flags+0x160/0x160 [ 363.386990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.392535] ? check_preemption_disabled+0x48/0x280 [ 363.397573] ? __lock_is_held+0xb5/0x140 [ 363.401644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.407186] ? check_preemption_disabled+0x48/0x280 [ 363.412224] run_timer_softirq+0x52/0xb0 [ 363.416292] ? rcu_read_lock_sched_held+0x14f/0x180 [ 363.421310] __do_softirq+0x308/0xb7e [ 363.425132] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 363.429630] ? lock_downgrade+0x900/0x900 [ 363.433816] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 363.438939] ? pvclock_read_flags+0x160/0x160 [ 363.443435] ? lapic_next_event+0x5a/0x90 [ 363.447598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.453157] ? kvm_clock_read+0x18/0x30 [ 363.457136] ? kvm_sched_clock_read+0x9/0x20 [ 363.461562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.467104] ? check_preemption_disabled+0x48/0x280 [ 363.472141] irq_exit+0x17f/0x1c0 [ 363.475600] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.480441] ? smp_reschedule_interrupt+0x109/0x650 [ 363.485480] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.491366] ? interrupt_entry+0xb5/0xc0 [ 363.495442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.500476] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.505498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.510344] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.515361] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.520380] ? task_prio+0x50/0x50 [ 363.523924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.529490] ? check_preemption_disabled+0x48/0x280 [ 363.534522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.539379] apic_timer_interrupt+0xf/0x20 [ 363.543626] </IRQ> [ 363.545872] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.550808] 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 ac [ 363.569725] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 363.577440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.584736] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 363.592330] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 363.599618] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.606889] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 363.614269] skb_clone+0x1bb/0x500 [ 363.617814] ? finish_task_switch+0x1b4/0x910 [ 363.622332] ? skb_split+0x11e0/0x11e0 [ 363.626228] ? preempt_notifier_register+0x200/0x200 [ 363.631338] ? __switch_to_asm+0x34/0x70 [ 363.635416] ? __switch_to_asm+0x34/0x70 [ 363.639488] ? __switch_to_asm+0x40/0x70 [ 363.643553] ? __switch_to_asm+0x34/0x70 [ 363.647617] ? __switch_to_asm+0x40/0x70 [ 363.651701] ? __switch_to_asm+0x34/0x70 [ 363.655769] ? __switch_to_asm+0x40/0x70 [ 363.659851] ? __switch_to_asm+0x34/0x70 [ 363.663914] ? __switch_to_asm+0x34/0x70 [ 363.667976] ? __switch_to_asm+0x40/0x70 [ 363.672038] ? __switch_to_asm+0x34/0x70 [ 363.676108] bpf_clone_redirect+0xb9/0x490 [ 363.680349] ? __schedule+0x8d7/0x21d0 [ 363.684262] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 363.689286] ? __sched_text_start+0x8/0x8 [ 363.693435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.698214] ? find_held_lock+0x36/0x1c0 [ 363.702294] ? lock_acquire+0x1ed/0x520 [ 363.706274] ? bpf_test_run+0x3cb/0x780 [ 363.710269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.715815] ? check_preemption_disabled+0x48/0x280 [ 363.720861] ? kasan_check_read+0x11/0x20 [ 363.725507] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.730786] ? rcu_softirq_qs+0x20/0x20 [ 363.734773] ? preempt_schedule+0x4d/0x60 [ 363.738925] ? ___preempt_schedule+0x16/0x18 [ 363.743347] ? bpf_test_run+0x25d/0x780 [ 363.747339] ? netlink_diag_dump+0x2a0/0x2a0 [ 363.751755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.757295] ? bpf_test_init.isra.10+0x70/0x100 [ 363.761989] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 363.766759] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.771619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.777160] ? fput+0x130/0x1a0 [ 363.780443] ? __bpf_prog_get+0x9b/0x290 [ 363.784525] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.789369] ? bpf_prog_test_run+0x130/0x1a0 [ 363.793784] ? __x64_sys_bpf+0x3d8/0x520 [ 363.797847] ? bpf_prog_get+0x20/0x20 [ 363.801692] ? do_syscall_64+0x1b9/0x820 [ 363.805755] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.811126] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.816056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.820905] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.825939] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 363.830983] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.836013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.840868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.846262] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 363.846332] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.853197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.853203] Call Trace: [ 363.853209] <IRQ> [ 363.853230] dump_stack+0x244/0x39d [ 363.853248] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.853273] warn_alloc.cold.116+0xb7/0x1bd [ 363.859857] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.869144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.871739] syz-executor2 cpuset=syz2 mems_allowed=0 [ 363.873901] ? lock_downgrade+0x900/0x900 [ 363.911595] ? trace_hardirqs_off+0xb8/0x310 [ 363.916020] ? trace_hardirqs_off+0xb8/0x310 [ 363.920452] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.925346] ? warn_alloc+0x120/0x120 [ 363.929159] ? warn_alloc+0x120/0x120 [ 363.932985] ? warn_alloc+0x120/0x120 [ 363.936793] ? print_usage_bug+0xc0/0xc0 [ 363.940867] ? print_usage_bug+0xc0/0xc0 [ 363.944934] ? ktime_get+0x2c1/0x400 [ 363.948662] ? check_preemption_disabled+0x48/0x280 [ 363.953680] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 363.958183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.963734] ? should_fail+0x22d/0xd01 [ 363.967632] ? kasan_check_read+0x11/0x20 [ 363.971789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.976902] ? __lock_acquire+0x62f/0x4c20 [ 363.981143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.986246] ? should_fail+0x22d/0xd01 [ 363.990134] ? print_usage_bug+0xc0/0xc0 [ 363.994210] ? mark_held_locks+0x130/0x130 [ 363.998455] ? mark_held_locks+0x130/0x130 [ 364.002707] ? check_preemption_disabled+0x48/0x280 [ 364.007755] ? zap_class+0x640/0x640 [ 364.011477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.016245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.021787] ? check_preemption_disabled+0x48/0x280 [ 364.026814] ? __lock_is_held+0xb5/0x140 [ 364.030902] __alloc_pages_nodemask+0xa80/0xde0 [ 364.035575] ? zap_class+0x640/0x640 [ 364.039294] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.044321] ? find_held_lock+0x36/0x1c0 [ 364.048392] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.053060] ? lock_downgrade+0x900/0x900 [ 364.057216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.062762] cache_grow_begin+0xa5/0x8c0 [ 364.066852] ? do_raw_spin_unlock+0xa7/0x330 [ 364.071279] fallback_alloc+0x204/0x2e0 [ 364.075259] ____cache_alloc_node+0x1c7/0x1e0 [ 364.079760] kmem_cache_alloc_node+0xe3/0x730 [ 364.084264] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.088873] __alloc_skb+0x119/0x770 [ 364.092591] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.097959] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.102388] ? vprintk_default+0x28/0x30 [ 364.106474] ? vprintk_func+0x85/0x181 [ 364.110366] ? printk+0xa7/0xcf [ 364.113648] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 364.118430] new_skb+0x26/0x1c0 [ 364.121739] aoecmd_cfg+0x279/0x7f0 [ 364.125386] ? find_held_lock+0x36/0x1c0 [ 364.129459] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 364.133795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.139352] ? __lock_is_held+0xb5/0x140 [ 364.143429] discover_timer+0x50/0x60 [ 364.147243] call_timer_fn+0x272/0x920 [ 364.151136] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 364.155996] ? process_timeout+0x40/0x40 [ 364.160069] ? mark_held_locks+0xc7/0x130 [ 364.164219] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.168722] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.173219] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 364.178064] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.182654] ? trace_hardirqs_on+0xbd/0x310 [ 364.186979] ? kasan_check_read+0x11/0x20 [ 364.191128] ? __run_timers+0x7da/0xc70 [ 364.195103] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.200245] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 364.205120] __run_timers+0x7e5/0xc70 [ 364.208948] ? timer_fixup_init+0x70/0x70 [ 364.213098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.218120] ? zap_class+0x640/0x640 [ 364.221840] ? print_usage_bug+0xc0/0xc0 [ 364.225903] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.231102] ? find_held_lock+0x36/0x1c0 [ 364.235166] ? zap_class+0x640/0x640 [ 364.238904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.244453] ? check_preemption_disabled+0x48/0x280 [ 364.249489] ? __lock_is_held+0xb5/0x140 [ 364.253566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.259162] ? check_preemption_disabled+0x48/0x280 [ 364.264214] run_timer_softirq+0x52/0xb0 [ 364.268278] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.273296] __do_softirq+0x308/0xb7e [ 364.277105] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.281597] ? lock_downgrade+0x900/0x900 [ 364.285751] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.290860] ? pvclock_read_flags+0x160/0x160 [ 364.295353] ? lapic_next_event+0x5a/0x90 [ 364.299504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.305052] ? kvm_clock_read+0x18/0x30 [ 364.309042] ? kvm_sched_clock_read+0x9/0x20 [ 364.313478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.319018] ? check_preemption_disabled+0x48/0x280 [ 364.324045] irq_exit+0x17f/0x1c0 [ 364.327523] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.332366] ? smp_reschedule_interrupt+0x109/0x650 [ 364.337395] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.343280] ? interrupt_entry+0xb5/0xc0 [ 364.347343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.352362] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.357382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.362228] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.367247] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.372275] ? task_prio+0x50/0x50 [ 364.375823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.381366] ? check_preemption_disabled+0x48/0x280 [ 364.386423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.391301] apic_timer_interrupt+0xf/0x20 [ 364.395545] </IRQ> [ 364.397823] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 364.403017] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 364.421927] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.429648] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 364.436955] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 364.444243] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 364.451524] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 364.458799] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 364.466114] retint_kernel+0x1b/0x2d [ 364.469857] RIP: 0010:dump_stack+0x358/0x39d [ 364.474262] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 364.493182] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 364.500898] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 364.508183] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 364.515485] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 364.522761] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 364.530064] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 364.537398] ? dump_stack+0x34f/0x39d [ 364.541232] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.546433] ? mark_held_locks+0x130/0x130 [ 364.550686] ? mark_held_locks+0x130/0x130 [ 364.554934] dump_header+0x27b/0xf72 [ 364.558674] ? pagefault_out_of_memory+0x197/0x197 [ 364.563618] ? __lock_acquire+0x62f/0x4c20 [ 364.567865] ? percpu_ref_get_many+0x240/0x240 [ 364.572465] ? print_usage_bug+0xc0/0xc0 [ 364.576547] ? zap_class+0x640/0x640 [ 364.580265] ? print_usage_bug+0xc0/0xc0 [ 364.584325] ? print_usage_bug+0xc0/0xc0 [ 364.588386] ? zap_class+0x640/0x640 [ 364.592103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.597649] ? find_held_lock+0x36/0x1c0 [ 364.601739] ? mark_held_locks+0xc7/0x130 [ 364.605926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.611030] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.616134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 364.620733] ? trace_hardirqs_on+0xbd/0x310 [ 364.625072] ? kasan_check_read+0x11/0x20 [ 364.629232] ? ___ratelimit+0x3b4/0x672 [ 364.633211] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.638315] ? trace_hardirqs_on+0x310/0x310 [ 364.642730] ? lock_downgrade+0x900/0x900 [ 364.646931] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.652038] ? ___ratelimit+0x3b9/0x672 [ 364.656020] ? idr_get_free+0xf70/0xf70 [ 364.660010] ? find_held_lock+0x36/0x1c0 [ 364.664081] oom_kill_process.cold.27+0x10/0x903 [ 364.668832] ? zap_class+0x640/0x640 [ 364.672538] ? check_preemption_disabled+0x48/0x280 [ 364.677564] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.682526] ? kasan_check_read+0x11/0x20 [ 364.686680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.692033] ? oom_evaluate_task+0x540/0x540 [ 364.696479] ? find_held_lock+0x36/0x1c0 [ 364.700564] ? out_of_memory+0x974/0x1430 [ 364.704712] ? lock_downgrade+0x900/0x900 [ 364.708869] ? check_preemption_disabled+0x48/0x280 [ 364.713890] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.718817] ? kasan_check_read+0x11/0x20 [ 364.722965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.728250] ? rcu_softirq_qs+0x20/0x20 [ 364.732231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.737770] ? oom_evaluate_task+0x302/0x540 [ 364.742178] out_of_memory+0xa84/0x1430 [ 364.746158] ? oom_killer_disable+0x3a0/0x3a0 [ 364.750652] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 364.755596] ? __ww_mutex_check_waiters+0x160/0x160 [ 364.760624] __alloc_pages_slowpath+0x2354/0x2e10 [ 364.765500] ? warn_alloc+0x120/0x120 [ 364.769298] ? mark_held_locks+0x130/0x130 [ 364.773542] ? find_get_entry+0xaae/0x1120 [ 364.777783] ? filemap_map_pages+0x1a20/0x1a20 [ 364.782383] ? zap_class+0x640/0x640 [ 364.786106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.791667] ? check_preemption_disabled+0x48/0x280 [ 364.796681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.802225] ? should_fail+0x22d/0xd01 [ 364.806129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.811233] ? zap_class+0x640/0x640 [ 364.814987] ? __lock_is_held+0xb5/0x140 [ 364.819060] ? mark_held_locks+0x130/0x130 [ 364.823296] ? lock_release+0xa00/0xa00 [ 364.827273] ? perf_trace_sched_process_exec+0x860/0x860 [ 364.832730] ? xa_load+0x2ba/0x460 [ 364.836272] ? lock_downgrade+0x900/0x900 [ 364.840424] ? __might_sleep+0x95/0x190 [ 364.844413] __alloc_pages_nodemask+0xa80/0xde0 [ 364.849102] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.854118] ? __page_cache_alloc+0x191/0x5c0 [ 364.858625] ? xa_load+0x2e1/0x460 [ 364.862169] ? xa_clear_mark+0x40/0x40 [ 364.866074] ? zap_class+0x640/0x640 [ 364.869827] ? zap_class+0x640/0x640 [ 364.873538] ? zap_class+0x640/0x640 [ 364.877256] ? __do_page_cache_readahead+0x663/0x810 [ 364.882367] ? find_held_lock+0x36/0x1c0 [ 364.886437] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 364.891996] alloc_pages_current+0x173/0x350 [ 364.896417] __page_cache_alloc+0x38c/0x5c0 [ 364.900770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.905703] ? kasan_check_read+0x11/0x20 [ 364.909860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.915161] ? generic_perform_write+0x6a0/0x6a0 [ 364.919924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.925501] ? check_preemption_disabled+0x48/0x280 [ 364.930533] filemap_fault+0x1595/0x25f0 [ 364.934621] ? __lock_page_or_retry+0xa00/0xa00 [ 364.939299] ? mark_held_locks+0x130/0x130 [ 364.943546] ? filemap_map_pages+0xd6b/0x1a20 [ 364.948048] ? lock_downgrade+0x900/0x900 [ 364.952196] ? check_preemption_disabled+0x48/0x280 [ 364.957213] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.962143] ? kasan_check_read+0x11/0x20 [ 364.966289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.971566] ? rcu_softirq_qs+0x20/0x20 [ 364.975558] ? filemap_map_pages+0xd92/0x1a20 [ 364.980061] ? print_usage_bug+0xc0/0xc0 [ 364.984133] ? find_get_entries_tag+0x1400/0x1400 [ 364.988999] ? __kasan_slab_free+0x102/0x150 [ 364.993410] ? kasan_slab_free+0xe/0x10 [ 364.997394] ? kmem_cache_free+0x83/0x290 [ 365.001554] ? __sigqueue_free.part.29+0x74/0x90 [ 365.006335] ? lock_acquire+0x1ed/0x520 [ 365.010313] ? ext4_filemap_fault+0x7a/0xad [ 365.014650] ? lock_release+0xa00/0xa00 [ 365.018628] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.024088] ? print_usage_bug+0xc0/0xc0 [ 365.028159] ? print_usage_bug+0xc0/0xc0 [ 365.032259] ? down_read+0x8d/0x120 [ 365.035892] ? ext4_filemap_fault+0x7a/0xad [ 365.040249] ? __down_interruptible+0x700/0x700 [ 365.044934] ext4_filemap_fault+0x82/0xad [ 365.049091] __do_fault+0x100/0x6b0 [ 365.052754] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.057883] ? mark_held_locks+0x130/0x130 [ 365.062125] ? mark_held_locks+0x130/0x130 [ 365.066363] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 365.071925] ? rcu_pm_notify+0xc0/0xc0 [ 365.075854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.081399] __handle_mm_fault+0x3ea0/0x5be0 [ 365.085823] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 365.090666] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.095184] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.099785] ? trace_hardirqs_on+0xbd/0x310 [ 365.104110] ? kasan_check_read+0x11/0x20 [ 365.108260] ? __set_current_blocked+0xdf/0x120 [ 365.112932] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.118070] ? zap_class+0x640/0x640 [ 365.121791] ? zap_class+0x640/0x640 [ 365.125512] ? find_held_lock+0x36/0x1c0 [ 365.129590] ? handle_mm_fault+0x42a/0xc70 [ 365.133842] ? lock_downgrade+0x900/0x900 [ 365.137996] ? check_preemption_disabled+0x48/0x280 [ 365.143021] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.147954] ? kasan_check_read+0x11/0x20 [ 365.152104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.157392] ? rcu_softirq_qs+0x20/0x20 [ 365.161366] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.166492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.172036] ? check_preemption_disabled+0x48/0x280 [ 365.177079] handle_mm_fault+0x54f/0xc70 [ 365.181158] ? __handle_mm_fault+0x5be0/0x5be0 [ 365.185772] ? find_vma+0x34/0x190 [ 365.189322] __do_page_fault+0x5e8/0xe60 [ 365.193388] ? exit_to_usermode_loop+0x1f4/0x380 [ 365.198156] do_page_fault+0xf2/0x7e0 [ 365.201961] ? vmalloc_sync_all+0x30/0x30 [ 365.206115] ? error_entry+0x70/0xd0 [ 365.209850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.214865] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.219795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.224734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.229601] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.234627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.240094] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.245104] ? page_fault+0x8/0x30 [ 365.248641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.253501] ? page_fault+0x8/0x30 [ 365.257073] page_fault+0x1e/0x30 [ 365.260542] RIP: 0033:0x45db60 [ 365.263748] Code: Bad RIP value. [ 365.267104] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 365.272480] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 365.279748] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 365.287011] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 365.294274] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 365.301538] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 365.308821] warn_alloc_show_mem: 1 callbacks suppressed [ 365.308833] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 365.308834] Mem-Info: [ 365.308864] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 365.308864] active_file:10 inactive_file:13 isolated_file:0 [ 365.308864] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.308864] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 365.308864] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 365.308864] free:13762 free_pcp:404 free_cma:0 [ 365.314207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.321491] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.323893] Call Trace: [ 365.356667] 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 [ 365.366026] <IRQ> [ 365.393330] lowmem_reserve[]: 0 2818 6321 6321 [ 365.395909] dump_stack+0x244/0x39d [ 365.422006] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 365.424148] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.428698] lowmem_reserve[]: 0 0 3503 3503 [ 365.432323] warn_alloc.cold.116+0xb7/0x1bd [ 365.459785] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 365.464969] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.469263] lowmem_reserve[]: 0 0 0 0 [ 365.473595] ? lock_downgrade+0x900/0x900 [ 365.502540] 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 [ 365.507385] ? trace_hardirqs_off+0xb8/0x310 [ 365.511168] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 365.515319] ? trace_hardirqs_off+0xb8/0x310 [ 365.528813] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 365.533244] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.548646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.553074] ? warn_alloc+0x120/0x120 [ 365.567071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.567079] 267 total pagecache pages [ 365.571926] ? print_usage_bug+0xc0/0xc0 [ 365.580748] 0 pages in swap cache [ 365.584534] ? warn_alloc+0x120/0x120 [ 365.593305] Swap cache stats: add 0, delete 0, find 0/0 [ 365.593314] Free swap = 0kB [ 365.597117] ? warn_alloc+0x120/0x120 [ 365.601167] Total swap = 0kB [ 365.604607] ? print_usage_bug+0xc0/0xc0 [ 365.608379] 1965979 pages RAM [ 365.613738] ? kvm_clock_read+0x18/0x30 [ 365.616733] 0 pages HighMem/MovableOnly [ 365.620528] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.623520] 342853 pages reserved [ 365.627601] ? print_usage_bug+0xc0/0xc0 [ 365.630700] 0 pages cma reserved [ 365.634697] ? __lock_acquire+0x62f/0x4c20 [ 365.638744] aoe: skb alloc failure [ 365.643676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.647183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.651171] ? should_fail+0x22d/0xd01 [ 365.654510] syz-fuzzer cpuset=/ mems_allowed=0 [ 365.658744] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.658762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.696879] ? __lock_acquire+0x62f/0x4c20 [ 365.701122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.706231] ? __lock_acquire+0x62f/0x4c20 [ 365.710473] ? should_fail+0x22d/0xd01 [ 365.714363] ? rcu_irq_exit+0x1a2/0x390 [ 365.718349] ? mark_held_locks+0x130/0x130 [ 365.723104] ? mark_held_locks+0x130/0x130 [ 365.727361] ? mark_held_locks+0xc7/0x130 [ 365.731513] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 365.736539] ? zap_class+0x640/0x640 [ 365.740260] ? print_usage_bug+0xc0/0xc0 [ 365.744332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.749892] ? check_preemption_disabled+0x48/0x280 [ 365.755502] ? __lock_is_held+0xb5/0x140 [ 365.759587] __alloc_pages_nodemask+0xa80/0xde0 [ 365.764272] ? zap_class+0x640/0x640 [ 365.767996] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.773029] ? find_held_lock+0x36/0x1c0 [ 365.777103] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.781776] ? lock_downgrade+0x900/0x900 [ 365.785937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.791511] cache_grow_begin+0xa5/0x8c0 [ 365.795577] ? do_raw_spin_unlock+0xa7/0x330 [ 365.799999] fallback_alloc+0x204/0x2e0 [ 365.803982] ____cache_alloc_node+0x1c7/0x1e0 [ 365.808493] kmem_cache_alloc_node+0xe3/0x730 [ 365.812992] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.817248] __alloc_skb+0x119/0x770 [ 365.820964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.826251] ? netdev_alloc_frag+0x1f0/0x1f0 [ 365.830675] ? lock_downgrade+0x900/0x900 [ 365.834837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.840394] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.845854] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.851329] ? addrconf_rs_timer+0x690/0x690 [ 365.855755] ndisc_alloc_skb+0x144/0x340 [ 365.859829] ndisc_send_rs+0x331/0x6e0 [ 365.863724] addrconf_rs_timer+0x314/0x690 [ 365.867969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.872233] call_timer_fn+0x272/0x920 [ 365.876139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.880377] ? process_timeout+0x40/0x40 [ 365.884444] ? __run_timers+0x7da/0xc70 [ 365.888429] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.892946] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.897443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.901702] ? lockdep_hardirqs_on+0x296/0x5b0 [ 365.906293] ? trace_hardirqs_on+0xbd/0x310 [ 365.910634] ? kasan_check_read+0x11/0x20 [ 365.914831] ? __run_timers+0x7da/0xc70 [ 365.918813] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.923932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.928173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.932413] __run_timers+0x7e5/0xc70 [ 365.936235] ? timer_fixup_init+0x70/0x70 [ 365.940387] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.945416] ? zap_class+0x640/0x640 [ 365.949145] ? enqueue_hrtimer+0x1a5/0x560 [ 365.953383] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.958578] ? find_held_lock+0x36/0x1c0 [ 365.962645] ? zap_class+0x640/0x640 [ 365.966378] ? pvclock_read_flags+0x160/0x160 [ 365.970878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.976418] ? check_preemption_disabled+0x48/0x280 [ 365.981462] ? __lock_is_held+0xb5/0x140 [ 365.985530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.991081] ? check_preemption_disabled+0x48/0x280 [ 365.996098] run_timer_softirq+0x52/0xb0 [ 366.000164] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.005181] __do_softirq+0x308/0xb7e [ 366.008982] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.013482] ? lock_downgrade+0x900/0x900 [ 366.017633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.022769] ? pvclock_read_flags+0x160/0x160 [ 366.027271] ? lapic_next_event+0x5a/0x90 [ 366.031419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.036976] ? kvm_clock_read+0x18/0x30 [ 366.040976] ? kvm_sched_clock_read+0x9/0x20 [ 366.045398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.050946] ? check_preemption_disabled+0x48/0x280 [ 366.055985] irq_exit+0x17f/0x1c0 [ 366.059436] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.064282] ? smp_reschedule_interrupt+0x109/0x650 [ 366.069320] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.075207] ? interrupt_entry+0xb5/0xc0 [ 366.079276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.084289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.089308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.094151] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.099166] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.104178] ? task_prio+0x50/0x50 [ 366.107738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.113294] ? check_preemption_disabled+0x48/0x280 [ 366.118314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.123167] apic_timer_interrupt+0xf/0x20 [ 366.127401] </IRQ> [ 366.129640] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.134583] 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 ac [ 366.153489] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.161213] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.168501] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 366.175826] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 366.183099] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.190382] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 366.197707] skb_clone+0x1bb/0x500 [ 366.201258] ? finish_task_switch+0x1b4/0x910 [ 366.205755] ? skb_split+0x11e0/0x11e0 [ 366.209658] ? preempt_notifier_register+0x200/0x200 [ 366.214761] ? __switch_to_asm+0x34/0x70 [ 366.218823] ? __switch_to_asm+0x34/0x70 [ 366.222877] ? __switch_to_asm+0x40/0x70 [ 366.226930] ? __switch_to_asm+0x34/0x70 [ 366.230981] ? __switch_to_asm+0x40/0x70 [ 366.235035] ? __switch_to_asm+0x34/0x70 [ 366.239105] ? __switch_to_asm+0x40/0x70 [ 366.243206] ? __switch_to_asm+0x34/0x70 [ 366.247297] ? __switch_to_asm+0x34/0x70 [ 366.251372] ? __switch_to_asm+0x40/0x70 [ 366.255456] ? __switch_to_asm+0x34/0x70 [ 366.259539] bpf_clone_redirect+0xb9/0x490 [ 366.263788] ? __schedule+0x8d7/0x21d0 [ 366.267694] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 366.272714] ? __sched_text_start+0x8/0x8 [ 366.276892] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.281662] ? find_held_lock+0x36/0x1c0 [ 366.285729] ? lock_acquire+0x1ed/0x520 [ 366.289718] ? bpf_test_run+0x3cb/0x780 [ 366.293693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.299232] ? check_preemption_disabled+0x48/0x280 [ 366.304263] ? kasan_check_read+0x11/0x20 [ 366.308412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.313701] ? rcu_softirq_qs+0x20/0x20 [ 366.317692] ? preempt_schedule+0x4d/0x60 [ 366.321838] ? ___preempt_schedule+0x16/0x18 [ 366.326272] ? bpf_test_run+0x25d/0x780 [ 366.330278] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.334711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.340251] ? bpf_test_init.isra.10+0x70/0x100 [ 366.344928] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 366.349707] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.354551] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.360086] ? fput+0x130/0x1a0 [ 366.363365] ? __bpf_prog_get+0x9b/0x290 [ 366.367430] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.372291] ? bpf_prog_test_run+0x130/0x1a0 [ 366.376704] ? __x64_sys_bpf+0x3d8/0x520 [ 366.380791] ? bpf_prog_get+0x20/0x20 [ 366.384620] ? do_syscall_64+0x1b9/0x820 [ 366.388682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.394055] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.398984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.403825] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.408856] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.413906] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.418927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.423774] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.429167] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 366.429241] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.436092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.436100] Call Trace: [ 366.442679] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.451947] <IRQ> [ 366.454541] syz-executor2 cpuset=syz2 mems_allowed=0 [ 366.465026] dump_stack+0x244/0x39d [ 366.475882] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.481082] warn_alloc.cold.116+0xb7/0x1bd [ 366.485398] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.490277] ? lock_downgrade+0x900/0x900 [ 366.494502] ? trace_hardirqs_off+0xb8/0x310 [ 366.498915] ? trace_hardirqs_off+0xb8/0x310 [ 366.503342] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.508220] ? warn_alloc+0x120/0x120 [ 366.512018] ? warn_alloc+0x120/0x120 [ 366.515828] ? warn_alloc+0x120/0x120 [ 366.519626] ? print_usage_bug+0xc0/0xc0 [ 366.523688] ? print_usage_bug+0xc0/0xc0 [ 366.527753] ? ktime_get+0x2c1/0x400 [ 366.531480] ? check_preemption_disabled+0x48/0x280 [ 366.536497] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.541003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.546558] ? should_fail+0x22d/0xd01 [ 366.550443] ? kasan_check_read+0x11/0x20 [ 366.554622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.559760] ? __lock_acquire+0x62f/0x4c20 [ 366.564008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.569110] ? should_fail+0x22d/0xd01 [ 366.573014] ? print_usage_bug+0xc0/0xc0 [ 366.577093] ? mark_held_locks+0x130/0x130 [ 366.581337] ? mark_held_locks+0x130/0x130 [ 366.585571] ? check_preemption_disabled+0x48/0x280 [ 366.590595] ? zap_class+0x640/0x640 [ 366.594311] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.599066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.604603] ? check_preemption_disabled+0x48/0x280 [ 366.609632] ? __lock_is_held+0xb5/0x140 [ 366.613727] __alloc_pages_nodemask+0xa80/0xde0 [ 366.618414] ? zap_class+0x640/0x640 [ 366.622133] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 366.627173] ? find_held_lock+0x36/0x1c0 [ 366.631259] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.635934] ? lock_downgrade+0x900/0x900 [ 366.640091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.645634] cache_grow_begin+0xa5/0x8c0 [ 366.649706] ? do_raw_spin_unlock+0xa7/0x330 [ 366.654154] fallback_alloc+0x204/0x2e0 [ 366.658130] ____cache_alloc_node+0x1c7/0x1e0 [ 366.662628] kmem_cache_alloc_node+0xe3/0x730 [ 366.667140] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.671737] __alloc_skb+0x119/0x770 [ 366.675485] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.680858] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.685293] ? vprintk_default+0x28/0x30 [ 366.689352] ? vprintk_func+0x85/0x181 [ 366.693243] ? printk+0xa7/0xcf [ 366.696524] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 366.701292] new_skb+0x26/0x1c0 [ 366.704571] aoecmd_cfg+0x279/0x7f0 [ 366.708198] ? find_held_lock+0x36/0x1c0 [ 366.712262] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 366.716606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.722154] ? __lock_is_held+0xb5/0x140 [ 366.726224] discover_timer+0x50/0x60 [ 366.730066] call_timer_fn+0x272/0x920 [ 366.733954] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 366.738791] ? process_timeout+0x40/0x40 [ 366.742887] ? mark_held_locks+0xc7/0x130 [ 366.747031] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.751578] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.756111] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 366.760971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.765583] ? trace_hardirqs_on+0xbd/0x310 [ 366.769902] ? kasan_check_read+0x11/0x20 [ 366.774048] ? __run_timers+0x7da/0xc70 [ 366.778017] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.783129] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 366.787966] __run_timers+0x7e5/0xc70 [ 366.791774] ? timer_fixup_init+0x70/0x70 [ 366.795922] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.800948] ? zap_class+0x640/0x640 [ 366.804681] ? print_usage_bug+0xc0/0xc0 [ 366.808742] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.813944] ? find_held_lock+0x36/0x1c0 [ 366.818008] ? zap_class+0x640/0x640 [ 366.821732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.827285] ? check_preemption_disabled+0x48/0x280 [ 366.832308] ? __lock_is_held+0xb5/0x140 [ 366.836370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.841906] ? check_preemption_disabled+0x48/0x280 [ 366.846921] run_timer_softirq+0x52/0xb0 [ 366.850979] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.856006] __do_softirq+0x308/0xb7e [ 366.859803] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.864302] ? lock_downgrade+0x900/0x900 [ 366.868456] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.873566] ? pvclock_read_flags+0x160/0x160 [ 366.878082] ? lapic_next_event+0x5a/0x90 [ 366.882245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.887805] ? kvm_clock_read+0x18/0x30 [ 366.891778] ? kvm_sched_clock_read+0x9/0x20 [ 366.896201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.901754] ? check_preemption_disabled+0x48/0x280 [ 366.906808] irq_exit+0x17f/0x1c0 [ 366.910266] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.915108] ? smp_reschedule_interrupt+0x109/0x650 [ 366.920134] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.926017] ? interrupt_entry+0xb5/0xc0 [ 366.930078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.935092] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.940127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.944968] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.949994] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.955037] ? task_prio+0x50/0x50 [ 366.958573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.964115] ? check_preemption_disabled+0x48/0x280 [ 366.969150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.974007] apic_timer_interrupt+0xf/0x20 [ 366.978232] </IRQ> [ 366.980476] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 366.985664] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 367.004573] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.012281] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 367.019563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 367.026875] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 367.034172] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 367.041435] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 367.048756] retint_kernel+0x1b/0x2d [ 367.052470] RIP: 0010:dump_stack+0x358/0x39d [ 367.056875] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.075783] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 367.083513] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 367.090810] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 367.098100] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 367.105403] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 367.112677] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 367.119974] ? dump_stack+0x34f/0x39d [ 367.123823] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.129020] ? mark_held_locks+0x130/0x130 [ 367.133257] ? mark_held_locks+0x130/0x130 [ 367.137499] dump_header+0x27b/0xf72 [ 367.141227] ? pagefault_out_of_memory+0x197/0x197 [ 367.146171] ? __lock_acquire+0x62f/0x4c20 [ 367.150409] ? percpu_ref_get_many+0x240/0x240 [ 367.155001] ? print_usage_bug+0xc0/0xc0 [ 367.159074] ? zap_class+0x640/0x640 [ 367.162796] ? print_usage_bug+0xc0/0xc0 [ 367.166861] ? print_usage_bug+0xc0/0xc0 [ 367.170944] ? zap_class+0x640/0x640 [ 367.174663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.180208] ? find_held_lock+0x36/0x1c0 [ 367.184286] ? mark_held_locks+0xc7/0x130 [ 367.188442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.193574] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.198684] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.203272] ? trace_hardirqs_on+0xbd/0x310 [ 367.207596] ? kasan_check_read+0x11/0x20 [ 367.211761] ? ___ratelimit+0x3b4/0x672 [ 367.215744] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.220865] ? trace_hardirqs_on+0x310/0x310 [ 367.225282] ? lock_downgrade+0x900/0x900 [ 367.229438] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.234555] ? ___ratelimit+0x3b9/0x672 [ 367.238533] ? idr_get_free+0xf70/0xf70 [ 367.242508] ? find_held_lock+0x36/0x1c0 [ 367.246598] oom_kill_process.cold.27+0x10/0x903 [ 367.251356] ? zap_class+0x640/0x640 [ 367.255075] ? check_preemption_disabled+0x48/0x280 [ 367.260098] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.265041] ? kasan_check_read+0x11/0x20 [ 367.269187] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.274470] ? oom_evaluate_task+0x540/0x540 [ 367.278896] ? find_held_lock+0x36/0x1c0 [ 367.282978] ? out_of_memory+0x974/0x1430 [ 367.287128] ? lock_downgrade+0x900/0x900 [ 367.291279] ? check_preemption_disabled+0x48/0x280 [ 367.296319] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.301264] ? kasan_check_read+0x11/0x20 [ 367.305412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.310696] ? rcu_softirq_qs+0x20/0x20 [ 367.314677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.320211] ? oom_evaluate_task+0x302/0x540 [ 367.324618] out_of_memory+0xa84/0x1430 [ 367.328598] ? oom_killer_disable+0x3a0/0x3a0 [ 367.333090] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 367.338035] ? __ww_mutex_check_waiters+0x160/0x160 [ 367.343075] __alloc_pages_slowpath+0x2354/0x2e10 [ 367.347942] ? warn_alloc+0x120/0x120 [ 367.351745] ? mark_held_locks+0x130/0x130 [ 367.355982] ? find_get_entry+0xaae/0x1120 [ 367.360238] ? filemap_map_pages+0x1a20/0x1a20 [ 367.364840] ? zap_class+0x640/0x640 [ 367.368559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.374109] ? check_preemption_disabled+0x48/0x280 [ 367.379128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.384663] ? should_fail+0x22d/0xd01 [ 367.388555] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.393659] ? zap_class+0x640/0x640 [ 367.397392] ? __lock_is_held+0xb5/0x140 [ 367.401490] ? mark_held_locks+0x130/0x130 [ 367.405731] ? lock_release+0xa00/0xa00 [ 367.409705] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.415154] ? xa_load+0x2ba/0x460 [ 367.418690] ? lock_downgrade+0x900/0x900 [ 367.422843] ? __might_sleep+0x95/0x190 [ 367.426851] __alloc_pages_nodemask+0xa80/0xde0 [ 367.431571] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.436603] ? __page_cache_alloc+0x191/0x5c0 [ 367.441093] ? xa_load+0x2e1/0x460 [ 367.444631] ? xa_clear_mark+0x40/0x40 [ 367.448519] ? zap_class+0x640/0x640 [ 367.452299] ? zap_class+0x640/0x640 [ 367.456034] ? zap_class+0x640/0x640 [ 367.459755] ? __do_page_cache_readahead+0x663/0x810 [ 367.464917] ? find_held_lock+0x36/0x1c0 [ 367.468986] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.474532] alloc_pages_current+0x173/0x350 [ 367.478945] __page_cache_alloc+0x38c/0x5c0 [ 367.483259] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.488186] ? kasan_check_read+0x11/0x20 [ 367.492345] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.497627] ? generic_perform_write+0x6a0/0x6a0 [ 367.502397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.507972] ? check_preemption_disabled+0x48/0x280 [ 367.513029] filemap_fault+0x1595/0x25f0 [ 367.517101] ? __lock_page_or_retry+0xa00/0xa00 [ 367.521800] ? mark_held_locks+0x130/0x130 [ 367.526042] ? filemap_map_pages+0xd6b/0x1a20 [ 367.530536] ? lock_downgrade+0x900/0x900 [ 367.534696] ? check_preemption_disabled+0x48/0x280 [ 367.539738] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.544670] ? kasan_check_read+0x11/0x20 [ 367.548818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.554091] ? rcu_softirq_qs+0x20/0x20 [ 367.558078] ? filemap_map_pages+0xd92/0x1a20 [ 367.562577] ? print_usage_bug+0xc0/0xc0 [ 367.566645] ? find_get_entries_tag+0x1400/0x1400 [ 367.571490] ? __kasan_slab_free+0x102/0x150 [ 367.575897] ? kasan_slab_free+0xe/0x10 [ 367.579902] ? kmem_cache_free+0x83/0x290 [ 367.584073] ? __sigqueue_free.part.29+0x74/0x90 [ 367.588855] ? lock_acquire+0x1ed/0x520 [ 367.593325] ? ext4_filemap_fault+0x7a/0xad [ 367.597649] ? lock_release+0xa00/0xa00 [ 367.601619] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.607069] ? print_usage_bug+0xc0/0xc0 [ 367.611127] ? print_usage_bug+0xc0/0xc0 [ 367.615195] ? down_read+0x8d/0x120 [ 367.618816] ? ext4_filemap_fault+0x7a/0xad [ 367.623166] ? __down_interruptible+0x700/0x700 [ 367.627901] ext4_filemap_fault+0x82/0xad [ 367.632077] __do_fault+0x100/0x6b0 [ 367.635712] ? pmd_devmap_trans_unstable+0x220/0x220 [ 367.640823] ? mark_held_locks+0x130/0x130 [ 367.645055] ? mark_held_locks+0x130/0x130 [ 367.649285] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 367.654819] ? rcu_pm_notify+0xc0/0xc0 [ 367.658755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.664294] __handle_mm_fault+0x3ea0/0x5be0 [ 367.668706] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 367.673541] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.678031] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.682610] ? trace_hardirqs_on+0xbd/0x310 [ 367.686929] ? kasan_check_read+0x11/0x20 [ 367.691075] ? __set_current_blocked+0xdf/0x120 [ 367.695772] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.700888] ? zap_class+0x640/0x640 [ 367.704599] ? zap_class+0x640/0x640 [ 367.708321] ? find_held_lock+0x36/0x1c0 [ 367.712393] ? handle_mm_fault+0x42a/0xc70 [ 367.716647] ? lock_downgrade+0x900/0x900 [ 367.720800] ? check_preemption_disabled+0x48/0x280 [ 367.725818] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.730763] ? kasan_check_read+0x11/0x20 [ 367.734924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.740201] ? rcu_softirq_qs+0x20/0x20 [ 367.744176] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.749284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.754825] ? check_preemption_disabled+0x48/0x280 [ 367.759860] handle_mm_fault+0x54f/0xc70 [ 367.763927] ? __handle_mm_fault+0x5be0/0x5be0 [ 367.768514] ? find_vma+0x34/0x190 [ 367.772073] __do_page_fault+0x5e8/0xe60 [ 367.776136] ? exit_to_usermode_loop+0x1f4/0x380 [ 367.780898] do_page_fault+0xf2/0x7e0 [ 367.784711] ? vmalloc_sync_all+0x30/0x30 [ 367.788869] ? error_entry+0x70/0xd0 [ 367.792592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.797605] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.802529] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.807590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.812440] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.817489] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.822963] ? prepare_exit_to_usermode+0x291/0x3b0 [ 367.827983] ? page_fault+0x8/0x30 [ 367.831540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.836418] ? page_fault+0x8/0x30 [ 367.839983] page_fault+0x1e/0x30 [ 367.843435] RIP: 0033:0x45db60 [ 367.846664] Code: Bad RIP value. [ 367.850054] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 367.855414] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 367.862700] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 367.870024] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 367.877333] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 367.884599] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 367.891915] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 367.891921] warn_alloc_show_mem: 1 callbacks suppressed [ 367.891928] Mem-Info: [ 367.899199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.899209] Call Trace: [ 367.904588] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 367.904588] active_file:10 inactive_file:13 isolated_file:0 [ 367.904588] unevictable:0 dirty:0 writeback:0 unstable:0 [ 367.904588] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 367.904588] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 367.904588] free:13762 free_pcp:404 free_cma:0 [ 367.906962] <IRQ> [ 367.916349] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 367.918951] dump_stack+0x244/0x39d [ 367.951829] 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 [ 367.953988] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.981293] lowmem_reserve[]: 0 2818 6321 6321 [ 367.984960] warn_alloc.cold.116+0xb7/0x1bd [ 368.011025] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 368.016211] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.020767] lowmem_reserve[]: 0 0 3503 3503 [ 368.025079] ? lock_downgrade+0x900/0x900 [ 368.052548] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 368.057410] ? trace_hardirqs_off+0xb8/0x310 [ 368.061702] lowmem_reserve[]: 0 0 0 0 [ 368.065842] ? trace_hardirqs_off+0xb8/0x310 [ 368.094788] 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 [ 368.099207] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.102991] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 368.107426] ? warn_alloc+0x120/0x120 [ 368.120901] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 368.125755] ? print_usage_bug+0xc0/0xc0 [ 368.141165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.144953] ? warn_alloc+0x120/0x120 [ 368.158977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.163023] ? warn_alloc+0x120/0x120 [ 368.171866] 267 total pagecache pages [ 368.175658] ? print_usage_bug+0xc0/0xc0 [ 368.184213] 0 pages in swap cache [ 368.188013] ? kvm_clock_read+0x18/0x30 [ 368.191782] Swap cache stats: add 0, delete 0, find 0/0 [ 368.191790] Free swap = 0kB [ 368.195858] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 368.199282] Total swap = 0kB [ 368.203254] ? print_usage_bug+0xc0/0xc0 [ 368.208608] 1965979 pages RAM [ 368.211656] ? __lock_acquire+0x62f/0x4c20 [ 368.216640] 0 pages HighMem/MovableOnly [ 368.216648] 342853 pages reserved [ 368.219672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.223706] 0 pages cma reserved [ 368.226826] ? should_fail+0x22d/0xd01 [ 368.231112] aoe: skb alloc failure [ 368.234995] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.235015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.238547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.244035] ? __lock_acquire+0x62f/0x4c20 [ 368.247373] syz-fuzzer cpuset=/ mems_allowed=0 [ 368.251258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.289273] ? __lock_acquire+0x62f/0x4c20 [ 368.293514] ? should_fail+0x22d/0xd01 [ 368.297410] ? rcu_irq_exit+0x1a2/0x390 [ 368.301399] ? mark_held_locks+0x130/0x130 [ 368.305656] ? mark_held_locks+0x130/0x130 [ 368.309894] ? mark_held_locks+0xc7/0x130 [ 368.314073] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 368.319096] ? zap_class+0x640/0x640 [ 368.322823] ? print_usage_bug+0xc0/0xc0 [ 368.326888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.332431] ? check_preemption_disabled+0x48/0x280 [ 368.337478] ? __lock_is_held+0xb5/0x140 [ 368.341566] __alloc_pages_nodemask+0xa80/0xde0 [ 368.346237] ? zap_class+0x640/0x640 [ 368.349953] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.354976] ? find_held_lock+0x36/0x1c0 [ 368.359042] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.363735] ? lock_downgrade+0x900/0x900 [ 368.367919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.373462] cache_grow_begin+0xa5/0x8c0 [ 368.377538] ? do_raw_spin_unlock+0xa7/0x330 [ 368.381970] fallback_alloc+0x204/0x2e0 [ 368.385951] ____cache_alloc_node+0x1c7/0x1e0 [ 368.390461] kmem_cache_alloc_node+0xe3/0x730 [ 368.395000] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.399250] __alloc_skb+0x119/0x770 [ 368.402964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.408245] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.412656] ? lock_downgrade+0x900/0x900 [ 368.416825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.422380] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.427837] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.433287] ? addrconf_rs_timer+0x690/0x690 [ 368.437710] ndisc_alloc_skb+0x144/0x340 [ 368.441780] ndisc_send_rs+0x331/0x6e0 [ 368.445690] addrconf_rs_timer+0x314/0x690 [ 368.449929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.454172] call_timer_fn+0x272/0x920 [ 368.458075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.462304] ? process_timeout+0x40/0x40 [ 368.466365] ? __run_timers+0x7da/0xc70 [ 368.470335] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.474822] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.479345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.483588] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.488169] ? trace_hardirqs_on+0xbd/0x310 [ 368.492488] ? kasan_check_read+0x11/0x20 [ 368.496650] ? __run_timers+0x7da/0xc70 [ 368.500642] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.505746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.509999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.514232] __run_timers+0x7e5/0xc70 [ 368.518045] ? timer_fixup_init+0x70/0x70 [ 368.522197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.527243] ? zap_class+0x640/0x640 [ 368.530966] ? enqueue_hrtimer+0x1a5/0x560 [ 368.535223] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.540420] ? find_held_lock+0x36/0x1c0 [ 368.544495] ? zap_class+0x640/0x640 [ 368.548215] ? pvclock_read_flags+0x160/0x160 [ 368.552727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.558274] ? check_preemption_disabled+0x48/0x280 [ 368.563303] ? __lock_is_held+0xb5/0x140 [ 368.567384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.572946] ? check_preemption_disabled+0x48/0x280 [ 368.577975] run_timer_softirq+0x52/0xb0 [ 368.582041] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.587059] __do_softirq+0x308/0xb7e [ 368.590885] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 368.595390] ? lock_downgrade+0x900/0x900 [ 368.599550] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.604671] ? pvclock_read_flags+0x160/0x160 [ 368.609174] ? lapic_next_event+0x5a/0x90 [ 368.613327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.618874] ? kvm_clock_read+0x18/0x30 [ 368.622850] ? kvm_sched_clock_read+0x9/0x20 [ 368.627264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.632819] ? check_preemption_disabled+0x48/0x280 [ 368.637870] irq_exit+0x17f/0x1c0 [ 368.641337] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.646183] ? smp_reschedule_interrupt+0x109/0x650 [ 368.651201] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.657088] ? interrupt_entry+0xb5/0xc0 [ 368.661150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.666166] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.671183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.676043] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.681062] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.686083] ? task_prio+0x50/0x50 [ 368.689624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.695179] ? check_preemption_disabled+0x48/0x280 [ 368.700212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.705088] apic_timer_interrupt+0xf/0x20 [ 368.709319] </IRQ> [ 368.711570] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 368.716500] 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 ac [ 368.735394] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 368.743124] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 368.750390] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 368.757664] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 368.764957] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 368.772240] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 368.779562] skb_clone+0x1bb/0x500 [ 368.783104] ? finish_task_switch+0x1b4/0x910 [ 368.787603] ? skb_split+0x11e0/0x11e0 [ 368.791502] ? preempt_notifier_register+0x200/0x200 [ 368.796625] ? __switch_to_asm+0x34/0x70 [ 368.800691] ? __switch_to_asm+0x34/0x70 [ 368.804749] ? __switch_to_asm+0x40/0x70 [ 368.808810] ? __switch_to_asm+0x34/0x70 [ 368.812884] ? __switch_to_asm+0x40/0x70 [ 368.816941] ? __switch_to_asm+0x34/0x70 [ 368.820999] ? __switch_to_asm+0x40/0x70 [ 368.825057] ? __switch_to_asm+0x34/0x70 [ 368.829118] ? __switch_to_asm+0x34/0x70 [ 368.833189] ? __switch_to_asm+0x40/0x70 [ 368.837248] ? __switch_to_asm+0x34/0x70 [ 368.841310] bpf_clone_redirect+0xb9/0x490 [ 368.845547] ? __schedule+0x8d7/0x21d0 [ 368.849441] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 368.854472] ? __sched_text_start+0x8/0x8 [ 368.858623] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 368.863390] ? find_held_lock+0x36/0x1c0 [ 368.867465] ? lock_acquire+0x1ed/0x520 [ 368.871442] ? bpf_test_run+0x3cb/0x780 [ 368.875428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.880969] ? check_preemption_disabled+0x48/0x280 [ 368.885989] ? kasan_check_read+0x11/0x20 [ 368.890131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.895431] ? rcu_softirq_qs+0x20/0x20 [ 368.899412] ? preempt_schedule+0x4d/0x60 [ 368.903568] ? ___preempt_schedule+0x16/0x18 [ 368.907988] ? bpf_test_run+0x25d/0x780 [ 368.911977] ? netlink_diag_dump+0x2a0/0x2a0 [ 368.916390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.921949] ? bpf_test_init.isra.10+0x70/0x100 [ 368.926629] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 368.931398] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.936269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.941807] ? fput+0x130/0x1a0 [ 368.945087] ? __bpf_prog_get+0x9b/0x290 [ 368.949157] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.954007] ? bpf_prog_test_run+0x130/0x1a0 [ 368.958457] ? __x64_sys_bpf+0x3d8/0x520 [ 368.962525] ? bpf_prog_get+0x20/0x20 [ 368.966348] ? do_syscall_64+0x1b9/0x820 [ 368.970411] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 368.975807] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.980746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.985597] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.990616] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 368.995642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.000670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.005531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.010951] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 369.011051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.017894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.017899] Call Trace: [ 369.017905] <IRQ> [ 369.017925] dump_stack+0x244/0x39d [ 369.017942] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.024482] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.033881] warn_alloc.cold.116+0xb7/0x1bd [ 369.036439] syz-executor2 cpuset=syz2 mems_allowed=0 [ 369.038602] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.072090] ? lock_downgrade+0x900/0x900 [ 369.076237] ? trace_hardirqs_off+0xb8/0x310 [ 369.080648] ? trace_hardirqs_off+0xb8/0x310 [ 369.085086] __alloc_pages_slowpath+0x26e8/0x2e10 [ 369.089973] ? warn_alloc+0x120/0x120 [ 369.093799] ? warn_alloc+0x120/0x120 [ 369.097605] ? warn_alloc+0x120/0x120 [ 369.101408] ? print_usage_bug+0xc0/0xc0 [ 369.105488] ? print_usage_bug+0xc0/0xc0 [ 369.109565] ? ktime_get+0x2c1/0x400 [ 369.113287] ? check_preemption_disabled+0x48/0x280 [ 369.118296] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.122828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.128366] ? should_fail+0x22d/0xd01 [ 369.132256] ? kasan_check_read+0x11/0x20 [ 369.136410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.141514] ? __lock_acquire+0x62f/0x4c20 [ 369.145758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.150858] ? should_fail+0x22d/0xd01 [ 369.154748] ? print_usage_bug+0xc0/0xc0 [ 369.158834] ? mark_held_locks+0x130/0x130 [ 369.163075] ? mark_held_locks+0x130/0x130 [ 369.167323] ? check_preemption_disabled+0x48/0x280 [ 369.172346] ? zap_class+0x640/0x640 [ 369.176078] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.180834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.186383] ? check_preemption_disabled+0x48/0x280 [ 369.191410] ? __lock_is_held+0xb5/0x140 [ 369.195480] __alloc_pages_nodemask+0xa80/0xde0 [ 369.200150] ? zap_class+0x640/0x640 [ 369.203887] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.208913] ? find_held_lock+0x36/0x1c0 [ 369.213002] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.217673] ? lock_downgrade+0x900/0x900 [ 369.221827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.227367] cache_grow_begin+0xa5/0x8c0 [ 369.231422] ? do_raw_spin_unlock+0xa7/0x330 [ 369.235843] fallback_alloc+0x204/0x2e0 [ 369.239825] ____cache_alloc_node+0x1c7/0x1e0 [ 369.244341] kmem_cache_alloc_node+0xe3/0x730 [ 369.248849] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.253436] __alloc_skb+0x119/0x770 [ 369.257176] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.262561] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.266984] ? vprintk_default+0x28/0x30 [ 369.271052] ? vprintk_func+0x85/0x181 [ 369.274953] ? printk+0xa7/0xcf [ 369.278260] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 369.283028] new_skb+0x26/0x1c0 [ 369.286313] aoecmd_cfg+0x279/0x7f0 [ 369.289943] ? find_held_lock+0x36/0x1c0 [ 369.294008] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 369.298355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.303922] ? __lock_is_held+0xb5/0x140 [ 369.307998] discover_timer+0x50/0x60 [ 369.311806] call_timer_fn+0x272/0x920 [ 369.315696] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 369.320587] ? process_timeout+0x40/0x40 [ 369.324701] ? mark_held_locks+0xc7/0x130 [ 369.328857] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.333352] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.337851] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 369.342697] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.347302] ? trace_hardirqs_on+0xbd/0x310 [ 369.351624] ? kasan_check_read+0x11/0x20 [ 369.355784] ? __run_timers+0x7da/0xc70 [ 369.359762] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.364908] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 369.369757] __run_timers+0x7e5/0xc70 [ 369.373569] ? timer_fixup_init+0x70/0x70 [ 369.377727] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.382790] ? zap_class+0x640/0x640 [ 369.386516] ? print_usage_bug+0xc0/0xc0 [ 369.390583] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.395784] ? find_held_lock+0x36/0x1c0 [ 369.399851] ? zap_class+0x640/0x640 [ 369.403577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.409122] ? check_preemption_disabled+0x48/0x280 [ 369.414150] ? __lock_is_held+0xb5/0x140 [ 369.418211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.423749] ? check_preemption_disabled+0x48/0x280 [ 369.428770] run_timer_softirq+0x52/0xb0 [ 369.432832] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.437857] __do_softirq+0x308/0xb7e [ 369.441660] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.446151] ? lock_downgrade+0x900/0x900 [ 369.450312] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.455435] ? pvclock_read_flags+0x160/0x160 [ 369.459942] ? lapic_next_event+0x5a/0x90 [ 369.464091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.469631] ? kvm_clock_read+0x18/0x30 [ 369.473633] ? kvm_sched_clock_read+0x9/0x20 [ 369.478042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.483576] ? check_preemption_disabled+0x48/0x280 [ 369.488601] irq_exit+0x17f/0x1c0 [ 369.492059] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.496912] ? smp_reschedule_interrupt+0x109/0x650 [ 369.501924] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.507802] ? interrupt_entry+0xb5/0xc0 [ 369.511874] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.516883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.521912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.526854] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.531864] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.536871] ? task_prio+0x50/0x50 [ 369.540413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.545954] ? check_preemption_disabled+0x48/0x280 [ 369.550969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.555870] apic_timer_interrupt+0xf/0x20 [ 369.560094] </IRQ> [ 369.562329] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 369.567528] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 369.586419] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.594331] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 369.601610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 369.608873] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 369.616157] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 369.623442] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 369.630769] retint_kernel+0x1b/0x2d [ 369.634489] RIP: 0010:dump_stack+0x358/0x39d [ 369.638916] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 369.657828] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 369.665550] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 369.672835] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 369.680102] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 369.687375] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 369.694660] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 369.701961] ? dump_stack+0x34f/0x39d [ 369.705781] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.710981] ? mark_held_locks+0x130/0x130 [ 369.715217] ? mark_held_locks+0x130/0x130 [ 369.719459] dump_header+0x27b/0xf72 [ 369.723456] ? pagefault_out_of_memory+0x197/0x197 [ 369.728424] ? __lock_acquire+0x62f/0x4c20 [ 369.732664] ? percpu_ref_get_many+0x240/0x240 [ 369.737249] ? print_usage_bug+0xc0/0xc0 [ 369.741330] ? zap_class+0x640/0x640 [ 369.745044] ? print_usage_bug+0xc0/0xc0 [ 369.749098] ? print_usage_bug+0xc0/0xc0 [ 369.753171] ? zap_class+0x640/0x640 [ 369.756887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.762488] ? find_held_lock+0x36/0x1c0 [ 369.766557] ? mark_held_locks+0xc7/0x130 [ 369.770703] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.775825] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 369.780926] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.785515] ? trace_hardirqs_on+0xbd/0x310 [ 369.789843] ? kasan_check_read+0x11/0x20 [ 369.793990] ? ___ratelimit+0x3b4/0x672 [ 369.797973] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.803080] ? trace_hardirqs_on+0x310/0x310 [ 369.807493] ? lock_downgrade+0x900/0x900 [ 369.811646] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.816757] ? ___ratelimit+0x3b9/0x672 [ 369.820753] ? idr_get_free+0xf70/0xf70 [ 369.824735] ? find_held_lock+0x36/0x1c0 [ 369.828809] oom_kill_process.cold.27+0x10/0x903 [ 369.833567] ? zap_class+0x640/0x640 [ 369.837293] ? check_preemption_disabled+0x48/0x280 [ 369.842315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.847244] ? kasan_check_read+0x11/0x20 [ 369.851392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.856673] ? oom_evaluate_task+0x540/0x540 [ 369.861087] ? find_held_lock+0x36/0x1c0 [ 369.865160] ? out_of_memory+0x974/0x1430 [ 369.869312] ? lock_downgrade+0x900/0x900 [ 369.873481] ? check_preemption_disabled+0x48/0x280 [ 369.878504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.883434] ? kasan_check_read+0x11/0x20 [ 369.887587] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.892865] ? rcu_softirq_qs+0x20/0x20 [ 369.896843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.902380] ? oom_evaluate_task+0x302/0x540 [ 369.906796] out_of_memory+0xa84/0x1430 [ 369.910779] ? oom_killer_disable+0x3a0/0x3a0 [ 369.915291] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 369.920239] ? __ww_mutex_check_waiters+0x160/0x160 [ 369.925268] __alloc_pages_slowpath+0x2354/0x2e10 [ 369.930143] ? warn_alloc+0x120/0x120 [ 369.933946] ? mark_held_locks+0x130/0x130 [ 369.938192] ? find_get_entry+0xaae/0x1120 [ 369.942436] ? filemap_map_pages+0x1a20/0x1a20 [ 369.947036] ? zap_class+0x640/0x640 [ 369.950761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.956301] ? check_preemption_disabled+0x48/0x280 [ 369.961320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.966857] ? should_fail+0x22d/0xd01 [ 369.970753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.975861] ? zap_class+0x640/0x640 [ 369.979601] ? __lock_is_held+0xb5/0x140 [ 369.983672] ? mark_held_locks+0x130/0x130 [ 369.987943] ? lock_release+0xa00/0xa00 [ 369.991921] ? perf_trace_sched_process_exec+0x860/0x860 [ 369.997375] ? xa_load+0x2ba/0x460 [ 370.000916] ? lock_downgrade+0x900/0x900 [ 370.005071] ? __might_sleep+0x95/0x190 [ 370.009055] __alloc_pages_nodemask+0xa80/0xde0 [ 370.013741] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.018759] ? __page_cache_alloc+0x191/0x5c0 [ 370.023313] ? xa_load+0x2e1/0x460 [ 370.026856] ? xa_clear_mark+0x40/0x40 [ 370.030751] ? zap_class+0x640/0x640 [ 370.034493] ? zap_class+0x640/0x640 [ 370.038209] ? zap_class+0x640/0x640 [ 370.041919] ? __do_page_cache_readahead+0x663/0x810 [ 370.047033] ? find_held_lock+0x36/0x1c0 [ 370.051094] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.056652] alloc_pages_current+0x173/0x350 [ 370.061063] __page_cache_alloc+0x38c/0x5c0 [ 370.065394] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.070320] ? kasan_check_read+0x11/0x20 [ 370.074471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.079772] ? generic_perform_write+0x6a0/0x6a0 [ 370.084525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.090055] ? check_preemption_disabled+0x48/0x280 [ 370.095105] filemap_fault+0x1595/0x25f0 [ 370.099224] ? __lock_page_or_retry+0xa00/0xa00 [ 370.103921] ? mark_held_locks+0x130/0x130 [ 370.108161] ? filemap_map_pages+0xd6b/0x1a20 [ 370.112664] ? lock_downgrade+0x900/0x900 [ 370.116827] ? check_preemption_disabled+0x48/0x280 [ 370.121843] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.126774] ? kasan_check_read+0x11/0x20 [ 370.130920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.136192] ? rcu_softirq_qs+0x20/0x20 [ 370.140176] ? filemap_map_pages+0xd92/0x1a20 [ 370.144676] ? print_usage_bug+0xc0/0xc0 [ 370.148747] ? find_get_entries_tag+0x1400/0x1400 [ 370.153584] ? __kasan_slab_free+0x102/0x150 [ 370.157992] ? kasan_slab_free+0xe/0x10 [ 370.161966] ? kmem_cache_free+0x83/0x290 [ 370.166112] ? __sigqueue_free.part.29+0x74/0x90 [ 370.170885] ? lock_acquire+0x1ed/0x520 [ 370.174855] ? ext4_filemap_fault+0x7a/0xad [ 370.179180] ? lock_release+0xa00/0xa00 [ 370.183151] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.188617] ? print_usage_bug+0xc0/0xc0 [ 370.192679] ? print_usage_bug+0xc0/0xc0 [ 370.196758] ? down_read+0x8d/0x120 [ 370.200381] ? ext4_filemap_fault+0x7a/0xad [ 370.204699] ? __down_interruptible+0x700/0x700 [ 370.209411] ext4_filemap_fault+0x82/0xad [ 370.213558] __do_fault+0x100/0x6b0 [ 370.217193] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.222292] ? mark_held_locks+0x130/0x130 [ 370.226543] ? mark_held_locks+0x130/0x130 [ 370.230786] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 370.236319] ? rcu_pm_notify+0xc0/0xc0 [ 370.240210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.245751] __handle_mm_fault+0x3ea0/0x5be0 [ 370.250164] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 370.255015] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.259538] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.264121] ? trace_hardirqs_on+0xbd/0x310 [ 370.268442] ? kasan_check_read+0x11/0x20 [ 370.272653] ? __set_current_blocked+0xdf/0x120 [ 370.277349] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.282464] ? zap_class+0x640/0x640 [ 370.286177] ? zap_class+0x640/0x640 [ 370.289899] ? find_held_lock+0x36/0x1c0 [ 370.293990] ? handle_mm_fault+0x42a/0xc70 [ 370.298228] ? lock_downgrade+0x900/0x900 [ 370.302373] ? check_preemption_disabled+0x48/0x280 [ 370.307389] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.312313] ? kasan_check_read+0x11/0x20 [ 370.316464] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.321778] ? rcu_softirq_qs+0x20/0x20 [ 370.325795] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.330911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.336509] ? check_preemption_disabled+0x48/0x280 [ 370.341542] handle_mm_fault+0x54f/0xc70 [ 370.345631] ? __handle_mm_fault+0x5be0/0x5be0 [ 370.350225] ? find_vma+0x34/0x190 [ 370.353774] __do_page_fault+0x5e8/0xe60 [ 370.357835] ? exit_to_usermode_loop+0x1f4/0x380 [ 370.362609] do_page_fault+0xf2/0x7e0 [ 370.366418] ? vmalloc_sync_all+0x30/0x30 [ 370.370571] ? error_entry+0x70/0xd0 [ 370.374281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.379288] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.384220] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.389188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.394108] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.399123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.404575] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.409589] ? page_fault+0x8/0x30 [ 370.413132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.417975] ? page_fault+0x8/0x30 [ 370.421517] page_fault+0x1e/0x30 [ 370.425011] RIP: 0033:0x45db60 [ 370.428209] Code: Bad RIP value. [ 370.431573] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 370.436934] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 370.444198] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 370.451467] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 370.458733] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 370.466010] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 370.473321] warn_alloc_show_mem: 1 callbacks suppressed [ 370.473332] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 370.473334] Mem-Info: [ 370.473365] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 370.473365] active_file:10 inactive_file:13 isolated_file:0 [ 370.473365] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.473365] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 370.473365] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 370.473365] free:13762 free_pcp:404 free_cma:0 [ 370.478703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.485976] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.488373] Call Trace: [ 370.521147] 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 [ 370.530485] <IRQ> [ 370.557791] lowmem_reserve[]: 0 2818 6321 6321 [ 370.560375] dump_stack+0x244/0x39d [ 370.586478] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 370.588625] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.593194] lowmem_reserve[]: 0 0 3503 3503 [ 370.596824] warn_alloc.cold.116+0xb7/0x1bd [ 370.624292] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 370.629505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.633815] lowmem_reserve[]: 0 0 0 0 [ 370.638131] ? lock_downgrade+0x900/0x900 [ 370.667108] 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 [ 370.671965] ? trace_hardirqs_off+0xb8/0x310 [ 370.675734] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 370.679885] ? trace_hardirqs_off+0xb8/0x310 [ 370.693382] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 370.697832] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.713278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.717721] ? warn_alloc+0x120/0x120 [ 370.731709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.736566] ? print_usage_bug+0xc0/0xc0 [ 370.745375] 267 total pagecache pages [ 370.749167] ? warn_alloc+0x120/0x120 [ 370.757727] 0 pages in swap cache [ 370.761777] ? warn_alloc+0x120/0x120 [ 370.765575] Swap cache stats: add 0, delete 0, find 0/0 [ 370.769370] ? print_usage_bug+0xc0/0xc0 [ 370.772803] Free swap = 0kB [ 370.776629] ? print_usage_bug+0xc0/0xc0 [ 370.781966] Total swap = 0kB [ 370.786017] ? __lock_acquire+0x62f/0x4c20 [ 370.789026] 1965979 pages RAM [ 370.793085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.796075] 0 pages HighMem/MovableOnly [ 370.796084] 342853 pages reserved [ 370.800319] ? should_fail+0x22d/0xd01 [ 370.803399] 0 pages cma reserved [ 370.808961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.813008] aoe: skb alloc failure [ 370.816407] ? __lock_acquire+0x62f/0x4c20 [ 370.820351] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.823643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.828725] syz-fuzzer cpuset=/ mems_allowed=0 [ 370.832269] ? __lock_acquire+0x62f/0x4c20 [ 370.860595] ? should_fail+0x22d/0xd01 [ 370.864508] ? find_held_lock+0x36/0x1c0 [ 370.868573] ? mark_held_locks+0x130/0x130 [ 370.872807] ? mark_held_locks+0x130/0x130 [ 370.877069] ? zap_class+0x640/0x640 [ 370.880798] ? zap_class+0x640/0x640 [ 370.884535] ? print_usage_bug+0xc0/0xc0 [ 370.888642] ? do_raw_spin_unlock+0xa7/0x330 [ 370.893050] ? zap_class+0x640/0x640 [ 370.896778] ? print_usage_bug+0xc0/0xc0 [ 370.900840] ? wq_watchdog_touch+0x9c/0xfe [ 370.905078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.910625] ? check_preemption_disabled+0x48/0x280 [ 370.915653] ? __lock_is_held+0xb5/0x140 [ 370.919739] __alloc_pages_nodemask+0xa80/0xde0 [ 370.924407] ? zap_class+0x640/0x640 [ 370.928124] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.933148] ? find_held_lock+0x36/0x1c0 [ 370.937225] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.941895] ? lock_downgrade+0x900/0x900 [ 370.946059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.951605] cache_grow_begin+0xa5/0x8c0 [ 370.955663] ? do_raw_spin_unlock+0xa7/0x330 [ 370.960106] fallback_alloc+0x204/0x2e0 [ 370.964085] ____cache_alloc_node+0x1c7/0x1e0 [ 370.968586] kmem_cache_alloc_node+0xe3/0x730 [ 370.973078] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.977318] __alloc_skb+0x119/0x770 [ 370.981024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.986318] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.990738] ? lock_downgrade+0x900/0x900 [ 370.994897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.000433] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.005900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.011350] ? addrconf_rs_timer+0x690/0x690 [ 371.015769] ndisc_alloc_skb+0x144/0x340 [ 371.019834] ndisc_send_rs+0x331/0x6e0 [ 371.023729] addrconf_rs_timer+0x314/0x690 [ 371.027970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.032222] call_timer_fn+0x272/0x920 [ 371.036111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.040355] ? process_timeout+0x40/0x40 [ 371.044460] ? __run_timers+0x7da/0xc70 [ 371.048469] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.052961] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.057459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.061692] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.066275] ? trace_hardirqs_on+0xbd/0x310 [ 371.070593] ? kasan_check_read+0x11/0x20 [ 371.074738] ? __run_timers+0x7da/0xc70 [ 371.078715] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.083837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.088074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.092299] __run_timers+0x7e5/0xc70 [ 371.096104] ? timer_fixup_init+0x70/0x70 [ 371.100251] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.105265] ? zap_class+0x640/0x640 [ 371.108982] ? enqueue_hrtimer+0x1a5/0x560 [ 371.113223] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.118429] ? find_held_lock+0x36/0x1c0 [ 371.122499] ? zap_class+0x640/0x640 [ 371.126217] ? pvclock_read_flags+0x160/0x160 [ 371.130719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.136256] ? check_preemption_disabled+0x48/0x280 [ 371.141287] ? __lock_is_held+0xb5/0x140 [ 371.145348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.150892] ? check_preemption_disabled+0x48/0x280 [ 371.155910] run_timer_softirq+0x52/0xb0 [ 371.159982] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.165013] __do_softirq+0x308/0xb7e [ 371.168819] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.173329] ? lock_downgrade+0x900/0x900 [ 371.177518] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.182630] ? pvclock_read_flags+0x160/0x160 [ 371.187129] ? lapic_next_event+0x5a/0x90 [ 371.191280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.196821] ? kvm_clock_read+0x18/0x30 [ 371.200796] ? kvm_sched_clock_read+0x9/0x20 [ 371.205203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.210744] ? check_preemption_disabled+0x48/0x280 [ 371.215768] irq_exit+0x17f/0x1c0 [ 371.219241] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.224109] ? smp_reschedule_interrupt+0x109/0x650 [ 371.229140] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.235018] ? interrupt_entry+0xb5/0xc0 [ 371.239091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.244105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.249122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.253963] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.258978] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.263990] ? task_prio+0x50/0x50 [ 371.267533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.273094] ? check_preemption_disabled+0x48/0x280 [ 371.278120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.282972] apic_timer_interrupt+0xf/0x20 [ 371.287201] </IRQ> [ 371.289443] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.294379] 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 ac [ 371.313278] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.320994] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.328265] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 371.335531] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 371.342797] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.350061] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 371.357363] skb_clone+0x1bb/0x500 [ 371.360914] ? finish_task_switch+0x1b4/0x910 [ 371.365410] ? skb_split+0x11e0/0x11e0 [ 371.369300] ? preempt_notifier_register+0x200/0x200 [ 371.374396] ? __switch_to_asm+0x34/0x70 [ 371.378489] ? __switch_to_asm+0x34/0x70 [ 371.382634] ? __switch_to_asm+0x40/0x70 [ 371.386694] ? __switch_to_asm+0x34/0x70 [ 371.390751] ? __switch_to_asm+0x40/0x70 [ 371.394842] ? __switch_to_asm+0x34/0x70 [ 371.398898] ? __switch_to_asm+0x40/0x70 [ 371.402995] ? __switch_to_asm+0x34/0x70 [ 371.407076] ? __switch_to_asm+0x34/0x70 [ 371.411159] ? __switch_to_asm+0x40/0x70 [ 371.415211] ? __switch_to_asm+0x34/0x70 [ 371.419275] bpf_clone_redirect+0xb9/0x490 [ 371.423507] ? __schedule+0x8d7/0x21d0 [ 371.427415] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 371.432440] ? __sched_text_start+0x8/0x8 [ 371.436595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.441366] ? find_held_lock+0x36/0x1c0 [ 371.445486] ? lock_acquire+0x1ed/0x520 [ 371.449485] ? bpf_test_run+0x3cb/0x780 [ 371.453464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.459017] ? check_preemption_disabled+0x48/0x280 [ 371.464063] ? kasan_check_read+0x11/0x20 [ 371.468207] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.473483] ? rcu_softirq_qs+0x20/0x20 [ 371.477474] ? preempt_schedule+0x4d/0x60 [ 371.481631] ? ___preempt_schedule+0x16/0x18 [ 371.486041] ? bpf_test_run+0x25d/0x780 [ 371.490020] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.494439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.499982] ? bpf_test_init.isra.10+0x70/0x100 [ 371.504681] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 371.509444] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.514298] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.519843] ? fput+0x130/0x1a0 [ 371.523120] ? __bpf_prog_get+0x9b/0x290 [ 371.527178] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.532015] ? bpf_prog_test_run+0x130/0x1a0 [ 371.536423] ? __x64_sys_bpf+0x3d8/0x520 [ 371.540487] ? bpf_prog_get+0x20/0x20 [ 371.544304] ? do_syscall_64+0x1b9/0x820 [ 371.548359] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.553726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.558657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.563500] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.568533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.573549] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.578569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.583419] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.588824] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 371.588888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.595995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.596004] Call Trace: [ 371.602573] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.611853] <IRQ> [ 371.614437] syz-executor2 cpuset=syz2 mems_allowed=0 [ 371.624966] dump_stack+0x244/0x39d [ 371.635812] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.641029] warn_alloc.cold.116+0xb7/0x1bd [ 371.645349] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.650206] ? lock_downgrade+0x900/0x900 [ 371.654359] ? trace_hardirqs_off+0xb8/0x310 [ 371.658783] ? trace_hardirqs_off+0xb8/0x310 [ 371.663240] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.668130] ? warn_alloc+0x120/0x120 [ 371.671924] ? warn_alloc+0x120/0x120 [ 371.675773] ? warn_alloc+0x120/0x120 [ 371.679611] ? print_usage_bug+0xc0/0xc0 [ 371.683727] ? print_usage_bug+0xc0/0xc0 [ 371.687804] ? ktime_get+0x2c1/0x400 [ 371.691527] ? check_preemption_disabled+0x48/0x280 [ 371.696545] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.701041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.706579] ? should_fail+0x22d/0xd01 [ 371.710471] ? kasan_check_read+0x11/0x20 [ 371.714627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.719748] ? __lock_acquire+0x62f/0x4c20 [ 371.723993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.729096] ? should_fail+0x22d/0xd01 [ 371.732983] ? print_usage_bug+0xc0/0xc0 [ 371.737055] ? mark_held_locks+0x130/0x130 [ 371.741298] ? mark_held_locks+0x130/0x130 [ 371.745535] ? check_preemption_disabled+0x48/0x280 [ 371.750563] ? zap_class+0x640/0x640 [ 371.754279] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.759034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.764586] ? check_preemption_disabled+0x48/0x280 [ 371.769610] ? __lock_is_held+0xb5/0x140 [ 371.773675] __alloc_pages_nodemask+0xa80/0xde0 [ 371.778359] ? zap_class+0x640/0x640 [ 371.782078] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.787110] ? find_held_lock+0x36/0x1c0 [ 371.791181] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.795948] ? lock_downgrade+0x900/0x900 [ 371.800113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.805651] cache_grow_begin+0xa5/0x8c0 [ 371.809732] ? do_raw_spin_unlock+0xa7/0x330 [ 371.814145] fallback_alloc+0x204/0x2e0 [ 371.818132] ____cache_alloc_node+0x1c7/0x1e0 [ 371.822631] kmem_cache_alloc_node+0xe3/0x730 [ 371.827125] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.831713] __alloc_skb+0x119/0x770 [ 371.835440] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.840812] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.845256] ? vprintk_default+0x28/0x30 [ 371.849328] ? vprintk_func+0x85/0x181 [ 371.853222] ? printk+0xa7/0xcf [ 371.856500] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 371.861272] new_skb+0x26/0x1c0 [ 371.864553] aoecmd_cfg+0x279/0x7f0 [ 371.868180] ? find_held_lock+0x36/0x1c0 [ 371.872245] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 371.876612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.882157] ? __lock_is_held+0xb5/0x140 [ 371.886227] discover_timer+0x50/0x60 [ 371.890028] call_timer_fn+0x272/0x920 [ 371.893920] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 371.898773] ? process_timeout+0x40/0x40 [ 371.902841] ? mark_held_locks+0xc7/0x130 [ 371.906990] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.911490] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.915995] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 371.920836] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.925417] ? trace_hardirqs_on+0xbd/0x310 [ 371.929778] ? kasan_check_read+0x11/0x20 [ 371.933929] ? __run_timers+0x7da/0xc70 [ 371.937916] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.943042] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 371.947875] __run_timers+0x7e5/0xc70 [ 371.951712] ? timer_fixup_init+0x70/0x70 [ 371.955891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.960928] ? zap_class+0x640/0x640 [ 371.964656] ? print_usage_bug+0xc0/0xc0 [ 371.968714] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.973912] ? find_held_lock+0x36/0x1c0 [ 371.977984] ? zap_class+0x640/0x640 [ 371.981755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.987315] ? check_preemption_disabled+0x48/0x280 [ 371.992336] ? __lock_is_held+0xb5/0x140 [ 371.996412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.001994] ? check_preemption_disabled+0x48/0x280 [ 372.007022] run_timer_softirq+0x52/0xb0 [ 372.011087] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.016114] __do_softirq+0x308/0xb7e [ 372.019917] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.024419] ? lock_downgrade+0x900/0x900 [ 372.028577] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.033691] ? pvclock_read_flags+0x160/0x160 [ 372.038192] ? lapic_next_event+0x5a/0x90 [ 372.042338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.047870] ? kvm_clock_read+0x18/0x30 [ 372.051849] ? kvm_sched_clock_read+0x9/0x20 [ 372.056253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.061783] ? check_preemption_disabled+0x48/0x280 [ 372.066818] irq_exit+0x17f/0x1c0 [ 372.070265] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.075107] ? smp_reschedule_interrupt+0x109/0x650 [ 372.080123] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.086005] ? interrupt_entry+0xb5/0xc0 [ 372.090061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.095077] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.100098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.104943] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.109980] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.115002] ? task_prio+0x50/0x50 [ 372.118545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.124081] ? check_preemption_disabled+0x48/0x280 [ 372.129103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.133951] apic_timer_interrupt+0xf/0x20 [ 372.138175] </IRQ> [ 372.140409] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 372.145594] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 372.164489] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 372.172190] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 372.179457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 372.186722] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 372.194012] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 372.201289] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 372.208625] retint_kernel+0x1b/0x2d [ 372.212334] RIP: 0010:dump_stack+0x358/0x39d [ 372.216738] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.235666] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 372.243378] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 372.250655] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 372.257923] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 372.265188] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 372.272456] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 372.279780] ? dump_stack+0x34f/0x39d [ 372.283645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.288831] ? mark_held_locks+0x130/0x130 [ 372.293084] ? mark_held_locks+0x130/0x130 [ 372.297339] dump_header+0x27b/0xf72 [ 372.301066] ? pagefault_out_of_memory+0x197/0x197 [ 372.306005] ? __lock_acquire+0x62f/0x4c20 [ 372.310249] ? percpu_ref_get_many+0x240/0x240 [ 372.314832] ? print_usage_bug+0xc0/0xc0 [ 372.318901] ? zap_class+0x640/0x640 [ 372.322620] ? print_usage_bug+0xc0/0xc0 [ 372.326692] ? print_usage_bug+0xc0/0xc0 [ 372.330770] ? zap_class+0x640/0x640 [ 372.334493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.340037] ? find_held_lock+0x36/0x1c0 [ 372.344103] ? mark_held_locks+0xc7/0x130 [ 372.348250] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.353347] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.358468] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.363052] ? trace_hardirqs_on+0xbd/0x310 [ 372.367373] ? kasan_check_read+0x11/0x20 [ 372.371517] ? ___ratelimit+0x3b4/0x672 [ 372.375505] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.380602] ? trace_hardirqs_on+0x310/0x310 [ 372.385021] ? lock_downgrade+0x900/0x900 [ 372.389170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.394267] ? ___ratelimit+0x3b9/0x672 [ 372.398242] ? idr_get_free+0xf70/0xf70 [ 372.402229] ? find_held_lock+0x36/0x1c0 [ 372.406300] oom_kill_process.cold.27+0x10/0x903 [ 372.411056] ? zap_class+0x640/0x640 [ 372.414767] ? check_preemption_disabled+0x48/0x280 [ 372.419787] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.424714] ? kasan_check_read+0x11/0x20 [ 372.428877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.434176] ? oom_evaluate_task+0x540/0x540 [ 372.438590] ? find_held_lock+0x36/0x1c0 [ 372.442671] ? out_of_memory+0x974/0x1430 [ 372.446835] ? lock_downgrade+0x900/0x900 [ 372.451016] ? check_preemption_disabled+0x48/0x280 [ 372.456031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.460957] ? kasan_check_read+0x11/0x20 [ 372.465101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.470389] ? rcu_softirq_qs+0x20/0x20 [ 372.474365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.479902] ? oom_evaluate_task+0x302/0x540 [ 372.484340] out_of_memory+0xa84/0x1430 [ 372.488320] ? oom_killer_disable+0x3a0/0x3a0 [ 372.492816] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 372.497762] ? __ww_mutex_check_waiters+0x160/0x160 [ 372.502789] __alloc_pages_slowpath+0x2354/0x2e10 [ 372.507670] ? warn_alloc+0x120/0x120 [ 372.511471] ? mark_held_locks+0x130/0x130 [ 372.515730] ? find_get_entry+0xaae/0x1120 [ 372.519986] ? filemap_map_pages+0x1a20/0x1a20 [ 372.524570] ? zap_class+0x640/0x640 [ 372.528290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.533849] ? check_preemption_disabled+0x48/0x280 [ 372.538861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.544394] ? should_fail+0x22d/0xd01 [ 372.548362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.553466] ? zap_class+0x640/0x640 [ 372.557200] ? __lock_is_held+0xb5/0x140 [ 372.561267] ? mark_held_locks+0x130/0x130 [ 372.565531] ? lock_release+0xa00/0xa00 [ 372.569504] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.574965] ? xa_load+0x2ba/0x460 [ 372.578501] ? lock_downgrade+0x900/0x900 [ 372.582665] ? __might_sleep+0x95/0x190 [ 372.586637] __alloc_pages_nodemask+0xa80/0xde0 [ 372.591339] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.596348] ? __page_cache_alloc+0x191/0x5c0 [ 372.600832] ? xa_load+0x2e1/0x460 [ 372.604428] ? xa_clear_mark+0x40/0x40 [ 372.608315] ? zap_class+0x640/0x640 [ 372.612028] ? zap_class+0x640/0x640 [ 372.615747] ? zap_class+0x640/0x640 [ 372.619509] ? __do_page_cache_readahead+0x663/0x810 [ 372.624615] ? find_held_lock+0x36/0x1c0 [ 372.628730] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.634273] alloc_pages_current+0x173/0x350 [ 372.638686] __page_cache_alloc+0x38c/0x5c0 [ 372.643045] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.648005] ? kasan_check_read+0x11/0x20 [ 372.652164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.657438] ? generic_perform_write+0x6a0/0x6a0 [ 372.662243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.667777] ? check_preemption_disabled+0x48/0x280 [ 372.672793] filemap_fault+0x1595/0x25f0 [ 372.676884] ? __lock_page_or_retry+0xa00/0xa00 [ 372.681553] ? mark_held_locks+0x130/0x130 [ 372.685794] ? filemap_map_pages+0xd6b/0x1a20 [ 372.690287] ? lock_downgrade+0x900/0x900 [ 372.694432] ? check_preemption_disabled+0x48/0x280 [ 372.699461] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.704387] ? kasan_check_read+0x11/0x20 [ 372.708535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.713808] ? rcu_softirq_qs+0x20/0x20 [ 372.717819] ? filemap_map_pages+0xd92/0x1a20 [ 372.722317] ? print_usage_bug+0xc0/0xc0 [ 372.726382] ? find_get_entries_tag+0x1400/0x1400 [ 372.731221] ? __kasan_slab_free+0x102/0x150 [ 372.735629] ? kasan_slab_free+0xe/0x10 [ 372.739639] ? kmem_cache_free+0x83/0x290 [ 372.743802] ? __sigqueue_free.part.29+0x74/0x90 [ 372.748601] ? lock_acquire+0x1ed/0x520 [ 372.752589] ? ext4_filemap_fault+0x7a/0xad [ 372.756919] ? lock_release+0xa00/0xa00 [ 372.760890] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.766340] ? print_usage_bug+0xc0/0xc0 [ 372.770404] ? print_usage_bug+0xc0/0xc0 [ 372.774486] ? down_read+0x8d/0x120 [ 372.778113] ? ext4_filemap_fault+0x7a/0xad [ 372.782433] ? __down_interruptible+0x700/0x700 [ 372.787140] ext4_filemap_fault+0x82/0xad [ 372.791290] __do_fault+0x100/0x6b0 [ 372.794915] ? pmd_devmap_trans_unstable+0x220/0x220 [ 372.800065] ? mark_held_locks+0x130/0x130 [ 372.804328] ? mark_held_locks+0x130/0x130 [ 372.808560] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 372.814094] ? rcu_pm_notify+0xc0/0xc0 [ 372.818001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.823559] __handle_mm_fault+0x3ea0/0x5be0 [ 372.827974] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 372.832823] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.837328] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.841938] ? trace_hardirqs_on+0xbd/0x310 [ 372.846272] ? kasan_check_read+0x11/0x20 [ 372.850413] ? __set_current_blocked+0xdf/0x120 [ 372.855078] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.860198] ? zap_class+0x640/0x640 [ 372.863911] ? zap_class+0x640/0x640 [ 372.867656] ? find_held_lock+0x36/0x1c0 [ 372.871728] ? handle_mm_fault+0x42a/0xc70 [ 372.875987] ? lock_downgrade+0x900/0x900 [ 372.880128] ? check_preemption_disabled+0x48/0x280 [ 372.885153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.890073] ? kasan_check_read+0x11/0x20 [ 372.894255] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.899574] ? rcu_softirq_qs+0x20/0x20 [ 372.903552] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.908652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.914185] ? check_preemption_disabled+0x48/0x280 [ 372.919200] handle_mm_fault+0x54f/0xc70 [ 372.923259] ? __handle_mm_fault+0x5be0/0x5be0 [ 372.927841] ? find_vma+0x34/0x190 [ 372.931384] __do_page_fault+0x5e8/0xe60 [ 372.935440] ? exit_to_usermode_loop+0x1f4/0x380 [ 372.940219] do_page_fault+0xf2/0x7e0 [ 372.944019] ? vmalloc_sync_all+0x30/0x30 [ 372.948163] ? error_entry+0x70/0xd0 [ 372.951875] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.956897] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.961821] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.966751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.971603] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.976614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.982070] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.987094] ? page_fault+0x8/0x30 [ 372.990663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.995503] ? page_fault+0x8/0x30 [ 372.999056] page_fault+0x1e/0x30 [ 373.002505] RIP: 0033:0x45db60 [ 373.005704] Code: Bad RIP value. [ 373.009064] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 373.014418] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 373.021698] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 373.028992] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 373.036253] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 373.043515] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 373.050798] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 373.050803] warn_alloc_show_mem: 1 callbacks suppressed [ 373.050809] Mem-Info: [ 373.058075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.063488] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 373.063488] active_file:10 inactive_file:13 isolated_file:0 [ 373.063488] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.063488] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 373.063488] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 373.063488] free:13762 free_pcp:404 free_cma:0 [ 373.065859] Call Trace: [ 373.075256] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.108010] <IRQ> [ 373.110617] 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 [ 373.137947] dump_stack+0x244/0x39d [ 373.140071] lowmem_reserve[]: 0 2818 6321 6321 [ 373.166173] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.169782] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 373.174362] warn_alloc.cold.116+0xb7/0x1bd [ 373.179534] lowmem_reserve[]: 0 0 3503 3503 [ 373.207028] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.211377] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 373.215703] ? lock_downgrade+0x900/0x900 [ 373.220549] lowmem_reserve[]: 0 0 0 0 [ 373.249513] ? trace_hardirqs_off+0xb8/0x310 [ 373.253630] 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 [ 373.257424] ? trace_hardirqs_off+0xb8/0x310 [ 373.261802] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 373.275317] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.279692] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 373.295133] ? warn_alloc+0x120/0x120 [ 373.299937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.313967] ? print_usage_bug+0xc0/0xc0 [ 373.317747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.326633] ? warn_alloc+0x120/0x120 [ 373.330676] 267 total pagecache pages [ 373.339245] ? warn_alloc+0x120/0x120 [ 373.343037] 0 pages in swap cache [ 373.346848] ? print_usage_bug+0xc0/0xc0 [ 373.350623] Swap cache stats: add 0, delete 0, find 0/0 [ 373.354077] ? kvm_clock_read+0x18/0x30 [ 373.358144] Free swap = 0kB [ 373.363511] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 373.367462] Total swap = 0kB [ 373.370473] ? print_usage_bug+0xc0/0xc0 [ 373.375478] 1965979 pages RAM [ 373.378533] ? __lock_acquire+0x62f/0x4c20 [ 373.382568] 0 pages HighMem/MovableOnly [ 373.385671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.389881] 342853 pages reserved [ 373.393842] ? should_fail+0x22d/0xd01 [ 373.399349] 0 pages cma reserved [ 373.402848] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.406766] aoe: skb alloc failure [ 373.410061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.410075] ? __lock_acquire+0x62f/0x4c20 [ 373.410091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.415381] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.418887] ? __lock_acquire+0x62f/0x4c20 [ 373.423963] syz-fuzzer cpuset=/ mems_allowed=0 [ 373.428195] ? should_fail+0x22d/0xd01 [ 373.456188] ? rcu_irq_exit+0x1a2/0x390 [ 373.460195] ? mark_held_locks+0x130/0x130 [ 373.464455] ? mark_held_locks+0x130/0x130 [ 373.468691] ? mark_held_locks+0xc7/0x130 [ 373.472849] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 373.477879] ? zap_class+0x640/0x640 [ 373.481593] ? print_usage_bug+0xc0/0xc0 [ 373.485659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.491224] ? check_preemption_disabled+0x48/0x280 [ 373.496251] ? __lock_is_held+0xb5/0x140 [ 373.500312] __alloc_pages_nodemask+0xa80/0xde0 [ 373.505039] ? zap_class+0x640/0x640 [ 373.508762] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.513792] ? find_held_lock+0x36/0x1c0 [ 373.517863] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.522530] ? lock_downgrade+0x900/0x900 [ 373.526684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.532246] cache_grow_begin+0xa5/0x8c0 [ 373.536305] ? do_raw_spin_unlock+0xa7/0x330 [ 373.540735] fallback_alloc+0x204/0x2e0 [ 373.544719] ____cache_alloc_node+0x1c7/0x1e0 [ 373.549253] kmem_cache_alloc_node+0xe3/0x730 [ 373.553756] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.558006] __alloc_skb+0x119/0x770 [ 373.561715] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.567006] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.571410] ? lock_downgrade+0x900/0x900 [ 373.575566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.581108] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.586562] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.592126] ? addrconf_rs_timer+0x690/0x690 [ 373.596574] ndisc_alloc_skb+0x144/0x340 [ 373.600656] ndisc_send_rs+0x331/0x6e0 [ 373.604548] addrconf_rs_timer+0x314/0x690 [ 373.608792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.613037] call_timer_fn+0x272/0x920 [ 373.616943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.621181] ? process_timeout+0x40/0x40 [ 373.625258] ? __run_timers+0x7da/0xc70 [ 373.629240] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.633738] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.638235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.642475] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.647058] ? trace_hardirqs_on+0xbd/0x310 [ 373.651384] ? kasan_check_read+0x11/0x20 [ 373.655548] ? __run_timers+0x7da/0xc70 [ 373.659543] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.664650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.668889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.673139] __run_timers+0x7e5/0xc70 [ 373.676967] ? timer_fixup_init+0x70/0x70 [ 373.681117] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.686135] ? zap_class+0x640/0x640 [ 373.689850] ? enqueue_hrtimer+0x1a5/0x560 [ 373.694137] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.699335] ? find_held_lock+0x36/0x1c0 [ 373.703418] ? zap_class+0x640/0x640 [ 373.707144] ? pvclock_read_flags+0x160/0x160 [ 373.711676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.717215] ? check_preemption_disabled+0x48/0x280 [ 373.722735] ? __lock_is_held+0xb5/0x140 [ 373.726803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.732342] ? check_preemption_disabled+0x48/0x280 [ 373.737379] run_timer_softirq+0x52/0xb0 [ 373.741455] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.746485] __do_softirq+0x308/0xb7e [ 373.750292] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 373.755399] ? lock_downgrade+0x900/0x900 [ 373.759553] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.764672] ? pvclock_read_flags+0x160/0x160 [ 373.769189] ? lapic_next_event+0x5a/0x90 [ 373.773348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.778912] ? kvm_clock_read+0x18/0x30 [ 373.782903] ? kvm_sched_clock_read+0x9/0x20 [ 373.787361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.792906] ? check_preemption_disabled+0x48/0x280 [ 373.797949] irq_exit+0x17f/0x1c0 [ 373.801410] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.806256] ? smp_reschedule_interrupt+0x109/0x650 [ 373.811280] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.817167] ? interrupt_entry+0xb5/0xc0 [ 373.821264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.826284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.831303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.836151] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.841174] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.846202] ? task_prio+0x50/0x50 [ 373.849750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.855304] ? check_preemption_disabled+0x48/0x280 [ 373.860329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.865186] apic_timer_interrupt+0xf/0x20 [ 373.869412] </IRQ> [ 373.871664] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.876594] 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 ac [ 373.895535] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.903305] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.910570] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 373.917870] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 373.925168] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.932455] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 373.939766] skb_clone+0x1bb/0x500 [ 373.943308] ? finish_task_switch+0x1b4/0x910 [ 373.947800] ? skb_split+0x11e0/0x11e0 [ 373.951688] ? preempt_notifier_register+0x200/0x200 [ 373.956857] ? __switch_to_asm+0x34/0x70 [ 373.960916] ? __switch_to_asm+0x34/0x70 [ 373.964986] ? __switch_to_asm+0x40/0x70 [ 373.969067] ? __switch_to_asm+0x34/0x70 [ 373.973118] ? __switch_to_asm+0x40/0x70 [ 373.977171] ? __switch_to_asm+0x34/0x70 [ 373.981226] ? __switch_to_asm+0x40/0x70 [ 373.985291] ? __switch_to_asm+0x34/0x70 [ 373.989342] ? __switch_to_asm+0x34/0x70 [ 373.993392] ? __switch_to_asm+0x40/0x70 [ 373.997485] ? __switch_to_asm+0x34/0x70 [ 374.001564] bpf_clone_redirect+0xb9/0x490 [ 374.005801] ? __schedule+0x8d7/0x21d0 [ 374.009697] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 374.014722] ? __sched_text_start+0x8/0x8 [ 374.018872] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.023662] ? find_held_lock+0x36/0x1c0 [ 374.027743] ? lock_acquire+0x1ed/0x520 [ 374.031758] ? bpf_test_run+0x3cb/0x780 [ 374.035734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.041286] ? check_preemption_disabled+0x48/0x280 [ 374.046305] ? kasan_check_read+0x11/0x20 [ 374.050469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.055771] ? rcu_softirq_qs+0x20/0x20 [ 374.059766] ? preempt_schedule+0x4d/0x60 [ 374.063908] ? ___preempt_schedule+0x16/0x18 [ 374.068315] ? bpf_test_run+0x25d/0x780 [ 374.072291] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.076695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.082234] ? bpf_test_init.isra.10+0x70/0x100 [ 374.086904] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 374.091711] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.096566] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.102114] ? fput+0x130/0x1a0 [ 374.105392] ? __bpf_prog_get+0x9b/0x290 [ 374.109469] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.114317] ? bpf_prog_test_run+0x130/0x1a0 [ 374.118729] ? __x64_sys_bpf+0x3d8/0x520 [ 374.122787] ? bpf_prog_get+0x20/0x20 [ 374.126640] ? do_syscall_64+0x1b9/0x820 [ 374.130700] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.136095] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.141042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.145908] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.150943] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.155989] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.161016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.165869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.171270] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 374.171339] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.178200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.178205] Call Trace: [ 374.178212] <IRQ> [ 374.178231] dump_stack+0x244/0x39d [ 374.178250] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.184781] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.194106] warn_alloc.cold.116+0xb7/0x1bd [ 374.196653] syz-executor2 cpuset=syz2 mems_allowed=0 [ 374.198796] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.232330] ? lock_downgrade+0x900/0x900 [ 374.236494] ? trace_hardirqs_off+0xb8/0x310 [ 374.240922] ? trace_hardirqs_off+0xb8/0x310 [ 374.245340] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.250205] ? warn_alloc+0x120/0x120 [ 374.254006] ? warn_alloc+0x120/0x120 [ 374.257818] ? __lock_acquire+0x62f/0x4c20 [ 374.262090] ? warn_alloc+0x120/0x120 [ 374.265891] ? print_usage_bug+0xc0/0xc0 [ 374.269956] ? print_usage_bug+0xc0/0xc0 [ 374.274023] ? mark_held_locks+0x130/0x130 [ 374.278264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.283802] ? should_fail+0x22d/0xd01 [ 374.287688] ? zap_class+0x640/0x640 [ 374.291407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.296523] ? __lock_acquire+0x62f/0x4c20 [ 374.300761] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.305861] ? should_fail+0x22d/0xd01 [ 374.309763] ? mark_held_locks+0x130/0x130 [ 374.314017] ? mark_held_locks+0x130/0x130 [ 374.318262] ? lock_downgrade+0x900/0x900 [ 374.322406] ? zap_class+0x640/0x640 [ 374.326141] ? zap_class+0x640/0x640 [ 374.329871] ? zap_class+0x640/0x640 [ 374.333607] ? do_raw_spin_unlock+0xa7/0x330 [ 374.338019] ? trace_hardirqs_on+0x310/0x310 [ 374.342435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.347978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.353516] ? check_preemption_disabled+0x48/0x280 [ 374.358542] ? __lock_is_held+0xb5/0x140 [ 374.362609] __alloc_pages_nodemask+0xa80/0xde0 [ 374.367280] ? zap_class+0x640/0x640 [ 374.371000] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.376027] ? find_held_lock+0x36/0x1c0 [ 374.380112] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.384795] ? lock_downgrade+0x900/0x900 [ 374.388978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.394539] cache_grow_begin+0xa5/0x8c0 [ 374.398595] ? do_raw_spin_unlock+0xa7/0x330 [ 374.403008] fallback_alloc+0x204/0x2e0 [ 374.407003] ____cache_alloc_node+0x1c7/0x1e0 [ 374.411503] kmem_cache_alloc_node+0xe3/0x730 [ 374.416017] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.420612] __alloc_skb+0x119/0x770 [ 374.424326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.429700] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.434118] ? vprintk_default+0x28/0x30 [ 374.438180] ? vprintk_func+0x85/0x181 [ 374.442068] ? printk+0xa7/0xcf [ 374.445343] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 374.450110] new_skb+0x26/0x1c0 [ 374.453387] aoecmd_cfg+0x279/0x7f0 [ 374.457014] ? find_held_lock+0x36/0x1c0 [ 374.461092] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 374.465418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.470970] ? __lock_is_held+0xb5/0x140 [ 374.475038] discover_timer+0x50/0x60 [ 374.478835] call_timer_fn+0x272/0x920 [ 374.482761] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 374.487604] ? process_timeout+0x40/0x40 [ 374.491670] ? mark_held_locks+0xc7/0x130 [ 374.495816] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.500305] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.504794] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 374.509649] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.514228] ? trace_hardirqs_on+0xbd/0x310 [ 374.518564] ? kasan_check_read+0x11/0x20 [ 374.522706] ? __run_timers+0x7da/0xc70 [ 374.526689] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.531809] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 374.536664] __run_timers+0x7e5/0xc70 [ 374.540489] ? timer_fixup_init+0x70/0x70 [ 374.544651] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.549681] ? zap_class+0x640/0x640 [ 374.553408] ? print_usage_bug+0xc0/0xc0 [ 374.557514] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.562704] ? find_held_lock+0x36/0x1c0 [ 374.566787] ? zap_class+0x640/0x640 [ 374.570506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.576038] ? check_preemption_disabled+0x48/0x280 [ 374.581058] ? __lock_is_held+0xb5/0x140 [ 374.585121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.590652] ? check_preemption_disabled+0x48/0x280 [ 374.595666] run_timer_softirq+0x52/0xb0 [ 374.599726] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.604744] __do_softirq+0x308/0xb7e [ 374.608548] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.613080] ? lock_downgrade+0x900/0x900 [ 374.617223] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.622327] ? pvclock_read_flags+0x160/0x160 [ 374.626824] ? lapic_next_event+0x5a/0x90 [ 374.630989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.636536] ? kvm_clock_read+0x18/0x30 [ 374.640508] ? kvm_sched_clock_read+0x9/0x20 [ 374.644931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.650476] ? check_preemption_disabled+0x48/0x280 [ 374.655646] irq_exit+0x17f/0x1c0 [ 374.659134] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.663971] ? smp_reschedule_interrupt+0x109/0x650 [ 374.668981] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.674883] ? interrupt_entry+0xb5/0xc0 [ 374.678990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.684009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.689035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.693880] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.698967] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.703985] ? task_prio+0x50/0x50 [ 374.707533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.713075] ? check_preemption_disabled+0x48/0x280 [ 374.718092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.722981] apic_timer_interrupt+0xf/0x20 [ 374.727223] </IRQ> [ 374.729522] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 374.734712] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 374.753617] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.761349] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 374.768609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 374.775879] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 374.783142] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 374.790402] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 374.797713] retint_kernel+0x1b/0x2d [ 374.801469] RIP: 0010:dump_stack+0x358/0x39d [ 374.805872] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 374.824770] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 374.832474] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 374.839756] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 374.847025] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 374.854291] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 374.861557] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 374.868837] ? dump_stack+0x34f/0x39d [ 374.872652] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.877844] ? mark_held_locks+0x130/0x130 [ 374.882087] ? mark_held_locks+0x130/0x130 [ 374.886323] dump_header+0x27b/0xf72 [ 374.890078] ? pagefault_out_of_memory+0x197/0x197 [ 374.895023] ? __lock_acquire+0x62f/0x4c20 [ 374.899258] ? percpu_ref_get_many+0x240/0x240 [ 374.903872] ? print_usage_bug+0xc0/0xc0 [ 374.907942] ? zap_class+0x640/0x640 [ 374.911657] ? print_usage_bug+0xc0/0xc0 [ 374.915714] ? print_usage_bug+0xc0/0xc0 [ 374.919776] ? zap_class+0x640/0x640 [ 374.923486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.929033] ? find_held_lock+0x36/0x1c0 [ 374.933095] ? mark_held_locks+0xc7/0x130 [ 374.937258] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.942352] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.947459] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.952046] ? trace_hardirqs_on+0xbd/0x310 [ 374.956365] ? kasan_check_read+0x11/0x20 [ 374.960553] ? ___ratelimit+0x3b4/0x672 [ 374.964525] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.969621] ? trace_hardirqs_on+0x310/0x310 [ 374.974022] ? lock_downgrade+0x900/0x900 [ 374.978166] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.983259] ? ___ratelimit+0x3b9/0x672 [ 374.987240] ? idr_get_free+0xf70/0xf70 [ 374.991211] ? find_held_lock+0x36/0x1c0 [ 374.995307] oom_kill_process.cold.27+0x10/0x903 [ 375.000063] ? zap_class+0x640/0x640 [ 375.003797] ? check_preemption_disabled+0x48/0x280 [ 375.008817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.013759] ? kasan_check_read+0x11/0x20 [ 375.017934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.023220] ? oom_evaluate_task+0x540/0x540 [ 375.027639] ? find_held_lock+0x36/0x1c0 [ 375.031736] ? out_of_memory+0x974/0x1430 [ 375.035895] ? lock_downgrade+0x900/0x900 [ 375.040040] ? check_preemption_disabled+0x48/0x280 [ 375.045050] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.049988] ? kasan_check_read+0x11/0x20 [ 375.054147] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.059418] ? rcu_softirq_qs+0x20/0x20 [ 375.063387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.068915] ? oom_evaluate_task+0x302/0x540 [ 375.073338] out_of_memory+0xa84/0x1430 [ 375.077318] ? oom_killer_disable+0x3a0/0x3a0 [ 375.081810] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 375.086756] ? __ww_mutex_check_waiters+0x160/0x160 [ 375.091779] __alloc_pages_slowpath+0x2354/0x2e10 [ 375.096649] ? warn_alloc+0x120/0x120 [ 375.100442] ? mark_held_locks+0x130/0x130 [ 375.104703] ? find_get_entry+0xaae/0x1120 [ 375.108976] ? filemap_map_pages+0x1a20/0x1a20 [ 375.113585] ? zap_class+0x640/0x640 [ 375.117302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.122838] ? check_preemption_disabled+0x48/0x280 [ 375.127858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.133393] ? should_fail+0x22d/0xd01 [ 375.137281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.142378] ? zap_class+0x640/0x640 [ 375.146123] ? __lock_is_held+0xb5/0x140 [ 375.150186] ? mark_held_locks+0x130/0x130 [ 375.154421] ? lock_release+0xa00/0xa00 [ 375.158430] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.163923] ? xa_load+0x2ba/0x460 [ 375.167484] ? lock_downgrade+0x900/0x900 [ 375.171633] ? __might_sleep+0x95/0x190 [ 375.175605] __alloc_pages_nodemask+0xa80/0xde0 [ 375.180279] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.185308] ? __page_cache_alloc+0x191/0x5c0 [ 375.189799] ? xa_load+0x2e1/0x460 [ 375.193353] ? xa_clear_mark+0x40/0x40 [ 375.197238] ? zap_class+0x640/0x640 [ 375.200956] ? zap_class+0x640/0x640 [ 375.204695] ? zap_class+0x640/0x640 [ 375.208424] ? __do_page_cache_readahead+0x663/0x810 [ 375.213540] ? find_held_lock+0x36/0x1c0 [ 375.217604] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 375.223148] alloc_pages_current+0x173/0x350 [ 375.227609] __page_cache_alloc+0x38c/0x5c0 [ 375.231952] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.236890] ? kasan_check_read+0x11/0x20 [ 375.241032] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.246324] ? generic_perform_write+0x6a0/0x6a0 [ 375.251078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.256662] ? check_preemption_disabled+0x48/0x280 [ 375.261701] filemap_fault+0x1595/0x25f0 [ 375.265773] ? __lock_page_or_retry+0xa00/0xa00 [ 375.270443] ? mark_held_locks+0x130/0x130 [ 375.274698] ? filemap_map_pages+0xd6b/0x1a20 [ 375.279215] ? lock_downgrade+0x900/0x900 [ 375.283358] ? check_preemption_disabled+0x48/0x280 [ 375.288374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.293299] ? kasan_check_read+0x11/0x20 [ 375.297445] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.302732] ? rcu_softirq_qs+0x20/0x20 [ 375.306735] ? filemap_map_pages+0xd92/0x1a20 [ 375.311234] ? print_usage_bug+0xc0/0xc0 [ 375.315300] ? find_get_entries_tag+0x1400/0x1400 [ 375.320141] ? __kasan_slab_free+0x102/0x150 [ 375.324584] ? kasan_slab_free+0xe/0x10 [ 375.328556] ? kmem_cache_free+0x83/0x290 [ 375.332704] ? __sigqueue_free.part.29+0x74/0x90 [ 375.337480] ? lock_acquire+0x1ed/0x520 [ 375.341459] ? ext4_filemap_fault+0x7a/0xad [ 375.345842] ? lock_release+0xa00/0xa00 [ 375.349816] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.355264] ? print_usage_bug+0xc0/0xc0 [ 375.359331] ? print_usage_bug+0xc0/0xc0 [ 375.363414] ? down_read+0x8d/0x120 [ 375.367072] ? ext4_filemap_fault+0x7a/0xad [ 375.371442] ? __down_interruptible+0x700/0x700 [ 375.376131] ext4_filemap_fault+0x82/0xad [ 375.380282] __do_fault+0x100/0x6b0 [ 375.383927] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.389047] ? mark_held_locks+0x130/0x130 [ 375.393291] ? mark_held_locks+0x130/0x130 [ 375.397523] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 375.403064] ? rcu_pm_notify+0xc0/0xc0 [ 375.406959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.412536] __handle_mm_fault+0x3ea0/0x5be0 [ 375.416988] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 375.421827] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.426329] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.430912] ? trace_hardirqs_on+0xbd/0x310 [ 375.435235] ? kasan_check_read+0x11/0x20 [ 375.439381] ? __set_current_blocked+0xdf/0x120 [ 375.444047] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.449988] ? zap_class+0x640/0x640 [ 375.453712] ? zap_class+0x640/0x640 [ 375.457431] ? find_held_lock+0x36/0x1c0 [ 375.461515] ? handle_mm_fault+0x42a/0xc70 [ 375.465757] ? lock_downgrade+0x900/0x900 [ 375.469917] ? check_preemption_disabled+0x48/0x280 [ 375.474949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.479872] ? kasan_check_read+0x11/0x20 [ 375.484028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.489301] ? rcu_softirq_qs+0x20/0x20 [ 375.493298] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.498400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.503935] ? check_preemption_disabled+0x48/0x280 [ 375.508954] handle_mm_fault+0x54f/0xc70 [ 375.513018] ? __handle_mm_fault+0x5be0/0x5be0 [ 375.517598] ? find_vma+0x34/0x190 [ 375.521139] __do_page_fault+0x5e8/0xe60 [ 375.525196] ? exit_to_usermode_loop+0x1f4/0x380 [ 375.529970] do_page_fault+0xf2/0x7e0 [ 375.533856] ? vmalloc_sync_all+0x30/0x30 [ 375.537997] ? error_entry+0x70/0xd0 [ 375.541731] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.546748] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.551686] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.556647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.561490] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.566503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.571983] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.576991] ? page_fault+0x8/0x30 [ 375.580529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.585402] ? page_fault+0x8/0x30 [ 375.588940] page_fault+0x1e/0x30 [ 375.592595] RIP: 0033:0x45db60 [ 375.595794] Code: Bad RIP value. [ 375.599163] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 375.604515] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 375.611802] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 375.619066] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 375.626326] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 375.633582] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 375.640880] warn_alloc_show_mem: 1 callbacks suppressed [ 375.640892] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 375.640893] Mem-Info: [ 375.640923] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 375.640923] active_file:10 inactive_file:13 isolated_file:0 [ 375.640923] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.640923] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 375.640923] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 375.640923] free:13762 free_pcp:404 free_cma:0 [ 375.646261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.653536] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.655947] Call Trace: [ 375.688754] 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 [ 375.698095] <IRQ> [ 375.725533] lowmem_reserve[]: 0 2818 6321 6321 [ 375.728116] dump_stack+0x244/0x39d [ 375.754201] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 375.756352] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.760904] lowmem_reserve[]: 0 0 3503 3503 [ 375.764532] warn_alloc.cold.116+0xb7/0x1bd [ 375.792018] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 375.797212] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.801506] lowmem_reserve[]: 0 0 0 0 [ 375.805826] ? lock_downgrade+0x900/0x900 [ 375.834787] 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 [ 375.839639] ? trace_hardirqs_off+0xb8/0x310 [ 375.843408] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 375.847557] ? trace_hardirqs_off+0xb8/0x310 [ 375.861058] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 375.865485] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.880899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.885326] ? warn_alloc+0x120/0x120 [ 375.899352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.904199] ? print_usage_bug+0xc0/0xc0 [ 375.913006] 267 total pagecache pages [ 375.916813] ? warn_alloc+0x120/0x120 [ 375.925371] 0 pages in swap cache [ 375.929433] ? warn_alloc+0x120/0x120 [ 375.933209] Swap cache stats: add 0, delete 0, find 0/0 [ 375.937017] ? print_usage_bug+0xc0/0xc0 [ 375.940439] Free swap = 0kB [ 375.944243] ? print_usage_bug+0xc0/0xc0 [ 375.949580] Total swap = 0kB [ 375.953638] ? __lock_acquire+0x62f/0x4c20 [ 375.956631] 1965979 pages RAM [ 375.960686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.963681] 0 pages HighMem/MovableOnly [ 375.967909] ? should_fail+0x22d/0xd01 [ 375.970990] 342853 pages reserved [ 375.976556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.980497] 0 pages cma reserved [ 375.980584] aoe: skb alloc failure [ 375.984392] ? __lock_acquire+0x62f/0x4c20 [ 375.988026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.992917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.996271] syz-fuzzer cpuset=/ mems_allowed=0 [ 375.999802] ? __lock_acquire+0x62f/0x4c20 [ 375.999818] ? should_fail+0x22d/0xd01 [ 376.032025] ? find_held_lock+0x36/0x1c0 [ 376.036100] ? mark_held_locks+0x130/0x130 [ 376.040344] ? mark_held_locks+0x130/0x130 [ 376.044592] ? zap_class+0x640/0x640 [ 376.048306] ? zap_class+0x640/0x640 [ 376.052017] ? print_usage_bug+0xc0/0xc0 [ 376.056074] ? do_raw_spin_unlock+0xa7/0x330 [ 376.060484] ? zap_class+0x640/0x640 [ 376.064228] ? print_usage_bug+0xc0/0xc0 [ 376.068316] ? wq_watchdog_touch+0x9c/0xfe [ 376.072567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.078103] ? check_preemption_disabled+0x48/0x280 [ 376.083124] ? __lock_is_held+0xb5/0x140 [ 376.087188] __alloc_pages_nodemask+0xa80/0xde0 [ 376.091852] ? zap_class+0x640/0x640 [ 376.095591] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.100612] ? find_held_lock+0x36/0x1c0 [ 376.104690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.109355] ? lock_downgrade+0x900/0x900 [ 376.113515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.119080] cache_grow_begin+0xa5/0x8c0 [ 376.123140] ? do_raw_spin_unlock+0xa7/0x330 [ 376.127566] fallback_alloc+0x204/0x2e0 [ 376.131541] ____cache_alloc_node+0x1c7/0x1e0 [ 376.136034] kmem_cache_alloc_node+0xe3/0x730 [ 376.140535] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.144798] __alloc_skb+0x119/0x770 [ 376.148506] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.153778] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.158180] ? lock_downgrade+0x900/0x900 [ 376.162346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.167908] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.173370] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.178816] ? addrconf_rs_timer+0x690/0x690 [ 376.183238] ndisc_alloc_skb+0x144/0x340 [ 376.187304] ndisc_send_rs+0x331/0x6e0 [ 376.191194] addrconf_rs_timer+0x314/0x690 [ 376.195429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.199688] call_timer_fn+0x272/0x920 [ 376.203598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.207833] ? process_timeout+0x40/0x40 [ 376.211900] ? __run_timers+0x7da/0xc70 [ 376.215872] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.220363] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.224850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.229101] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.233683] ? trace_hardirqs_on+0xbd/0x310 [ 376.238008] ? kasan_check_read+0x11/0x20 [ 376.242147] ? __run_timers+0x7da/0xc70 [ 376.246131] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.251245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.255482] __run_timers+0x7e5/0xc70 [ 376.259289] ? timer_fixup_init+0x70/0x70 [ 376.263438] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.268468] ? zap_class+0x640/0x640 [ 376.272183] ? enqueue_hrtimer+0x1a5/0x560 [ 376.276414] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.281606] ? find_held_lock+0x36/0x1c0 [ 376.285667] ? zap_class+0x640/0x640 [ 376.289382] ? pvclock_read_flags+0x160/0x160 [ 376.293917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.299468] ? check_preemption_disabled+0x48/0x280 [ 376.304496] ? __lock_is_held+0xb5/0x140 [ 376.308557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.314116] ? check_preemption_disabled+0x48/0x280 [ 376.319153] run_timer_softirq+0x52/0xb0 [ 376.323218] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.328247] __do_softirq+0x308/0xb7e [ 376.332080] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.336573] ? lock_downgrade+0x900/0x900 [ 376.340742] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.345860] ? pvclock_read_flags+0x160/0x160 [ 376.350376] ? lapic_next_event+0x5a/0x90 [ 376.354540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.360089] ? kvm_clock_read+0x18/0x30 [ 376.364062] ? kvm_sched_clock_read+0x9/0x20 [ 376.368493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.374035] ? check_preemption_disabled+0x48/0x280 [ 376.379079] irq_exit+0x17f/0x1c0 [ 376.382558] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.387395] ? smp_reschedule_interrupt+0x109/0x650 [ 376.392414] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.398304] ? interrupt_entry+0xb5/0xc0 [ 376.402366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.407377] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.412409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.417260] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.422284] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.427299] ? task_prio+0x50/0x50 [ 376.430836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.436375] ? check_preemption_disabled+0x48/0x280 [ 376.441395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.446251] apic_timer_interrupt+0xf/0x20 [ 376.450496] </IRQ> [ 376.452736] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.457678] 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 ac [ 376.476574] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 376.484272] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.491529] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 376.498800] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 376.506074] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.513336] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 376.520665] skb_clone+0x1bb/0x500 [ 376.524201] ? finish_task_switch+0x1b4/0x910 [ 376.528709] ? skb_split+0x11e0/0x11e0 [ 376.532620] ? preempt_notifier_register+0x200/0x200 [ 376.537740] ? __switch_to_asm+0x34/0x70 [ 376.541794] ? __switch_to_asm+0x34/0x70 [ 376.545842] ? __switch_to_asm+0x40/0x70 [ 376.549891] ? __switch_to_asm+0x34/0x70 [ 376.553939] ? __switch_to_asm+0x40/0x70 [ 376.557987] ? __switch_to_asm+0x34/0x70 [ 376.562038] ? __switch_to_asm+0x40/0x70 [ 376.566085] ? __switch_to_asm+0x34/0x70 [ 376.570166] ? __switch_to_asm+0x34/0x70 [ 376.574226] ? __switch_to_asm+0x40/0x70 [ 376.578276] ? __switch_to_asm+0x34/0x70 [ 376.582331] bpf_clone_redirect+0xb9/0x490 [ 376.586557] ? __schedule+0x8d7/0x21d0 [ 376.590442] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 376.595477] ? __sched_text_start+0x8/0x8 [ 376.599623] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.604377] ? find_held_lock+0x36/0x1c0 [ 376.608477] ? lock_acquire+0x1ed/0x520 [ 376.612469] ? bpf_test_run+0x3cb/0x780 [ 376.616458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.621990] ? check_preemption_disabled+0x48/0x280 [ 376.627008] ? kasan_check_read+0x11/0x20 [ 376.631187] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.636478] ? rcu_softirq_qs+0x20/0x20 [ 376.640454] ? preempt_schedule+0x4d/0x60 [ 376.644599] ? ___preempt_schedule+0x16/0x18 [ 376.649012] ? bpf_test_run+0x25d/0x780 [ 376.653013] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.657425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.662965] ? bpf_test_init.isra.10+0x70/0x100 [ 376.667637] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 376.672404] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.677248] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.682789] ? fput+0x130/0x1a0 [ 376.686130] ? __bpf_prog_get+0x9b/0x290 [ 376.690195] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.695040] ? bpf_prog_test_run+0x130/0x1a0 [ 376.699477] ? __x64_sys_bpf+0x3d8/0x520 [ 376.703541] ? bpf_prog_get+0x20/0x20 [ 376.707362] ? do_syscall_64+0x1b9/0x820 [ 376.711425] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.716807] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.721738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.726591] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.731617] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.736672] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.741695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.746555] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.752027] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 376.752097] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.758966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.758971] Call Trace: [ 376.758978] <IRQ> [ 376.758995] dump_stack+0x244/0x39d [ 376.759012] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.765531] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.774920] warn_alloc.cold.116+0xb7/0x1bd [ 376.777475] syz-executor2 cpuset=syz2 mems_allowed=0 [ 376.779618] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.813113] ? lock_downgrade+0x900/0x900 [ 376.817285] ? trace_hardirqs_off+0xb8/0x310 [ 376.821711] ? trace_hardirqs_off+0xb8/0x310 [ 376.826143] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.831014] ? warn_alloc+0x120/0x120 [ 376.834819] ? warn_alloc+0x120/0x120 [ 376.838625] ? warn_alloc+0x120/0x120 [ 376.842425] ? print_usage_bug+0xc0/0xc0 [ 376.846496] ? __lock_acquire+0x62f/0x4c20 [ 376.850756] ? print_usage_bug+0xc0/0xc0 [ 376.854817] ? __lock_acquire+0x62f/0x4c20 [ 376.859095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.864645] ? should_fail+0x22d/0xd01 [ 376.868528] ? __lock_acquire+0x62f/0x4c20 [ 376.872770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.877874] ? __lock_acquire+0x62f/0x4c20 [ 376.882128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.887257] ? __lock_acquire+0x62f/0x4c20 [ 376.891489] ? should_fail+0x22d/0xd01 [ 376.895383] ? mark_held_locks+0x130/0x130 [ 376.899634] ? mark_held_locks+0x130/0x130 [ 376.903887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.908994] ? zap_class+0x640/0x640 [ 376.912709] ? print_usage_bug+0xc0/0xc0 [ 376.916776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.922309] ? check_preemption_disabled+0x48/0x280 [ 376.927532] ? __lock_is_held+0xb5/0x140 [ 376.931596] __alloc_pages_nodemask+0xa80/0xde0 [ 376.936276] ? zap_class+0x640/0x640 [ 376.939992] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.945018] ? find_held_lock+0x36/0x1c0 [ 376.949087] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.953757] ? lock_downgrade+0x900/0x900 [ 376.957902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.963474] cache_grow_begin+0xa5/0x8c0 [ 376.967550] ? do_raw_spin_unlock+0xa7/0x330 [ 376.971962] fallback_alloc+0x204/0x2e0 [ 376.975935] ____cache_alloc_node+0x1c7/0x1e0 [ 376.980429] kmem_cache_alloc_node+0xe3/0x730 [ 376.984929] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.989197] __alloc_skb+0x119/0x770 [ 376.992920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.998240] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.002676] ? lock_downgrade+0x900/0x900 [ 377.006830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.012367] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.017824] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.023275] ? addrconf_rs_timer+0x690/0x690 [ 377.027702] ndisc_alloc_skb+0x144/0x340 [ 377.031787] ndisc_send_rs+0x331/0x6e0 [ 377.035683] addrconf_rs_timer+0x314/0x690 [ 377.039941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.044191] call_timer_fn+0x272/0x920 [ 377.048077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.052333] ? process_timeout+0x40/0x40 [ 377.056407] ? mark_held_locks+0xc7/0x130 [ 377.060558] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.065066] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.069560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.073794] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.078378] ? trace_hardirqs_on+0xbd/0x310 [ 377.082698] ? kasan_check_read+0x11/0x20 [ 377.086856] ? __run_timers+0x7da/0xc70 [ 377.090831] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.095938] ? prandom_seed_full_state+0x3b0/0x3b0 [ 377.100887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.105122] __run_timers+0x7e5/0xc70 [ 377.108932] ? timer_fixup_init+0x70/0x70 [ 377.113083] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.118100] ? zap_class+0x640/0x640 [ 377.121818] ? print_usage_bug+0xc0/0xc0 [ 377.125895] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.131093] ? find_held_lock+0x36/0x1c0 [ 377.135160] ? zap_class+0x640/0x640 [ 377.138880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.144418] ? check_preemption_disabled+0x48/0x280 [ 377.149461] ? __lock_is_held+0xb5/0x140 [ 377.153545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.159090] ? check_preemption_disabled+0x48/0x280 [ 377.164111] run_timer_softirq+0x52/0xb0 [ 377.168171] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.173188] __do_softirq+0x308/0xb7e [ 377.176996] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 377.181493] ? lock_downgrade+0x900/0x900 [ 377.185643] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.190756] ? pvclock_read_flags+0x160/0x160 [ 377.195251] ? lapic_next_event+0x5a/0x90 [ 377.199401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.204960] ? kvm_clock_read+0x18/0x30 [ 377.208954] ? kvm_sched_clock_read+0x9/0x20 [ 377.213364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.218916] ? check_preemption_disabled+0x48/0x280 [ 377.223954] irq_exit+0x17f/0x1c0 [ 377.227406] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.232247] ? smp_reschedule_interrupt+0x109/0x650 [ 377.237276] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.243182] ? interrupt_entry+0xb5/0xc0 [ 377.247271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.252286] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.257299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.262188] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.267279] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.272325] ? task_prio+0x50/0x50 [ 377.275867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.281417] ? check_preemption_disabled+0x48/0x280 [ 377.286468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.291329] apic_timer_interrupt+0xf/0x20 [ 377.295552] </IRQ> [ 377.297819] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 377.303021] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 377.321916] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.329620] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 377.336883] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 377.344151] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 377.351418] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 377.358692] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 377.366031] retint_kernel+0x1b/0x2d [ 377.369774] RIP: 0010:dump_stack+0x358/0x39d [ 377.374194] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 377.393110] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 377.400812] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 377.408073] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 377.415352] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 377.422614] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 377.429890] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 377.437177] ? dump_stack+0x34f/0x39d [ 377.441014] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.446250] ? mark_held_locks+0x130/0x130 [ 377.450481] ? mark_held_locks+0x130/0x130 [ 377.454716] dump_header+0x27b/0xf72 [ 377.458440] ? pagefault_out_of_memory+0x197/0x197 [ 377.463414] ? __lock_acquire+0x62f/0x4c20 [ 377.467651] ? percpu_ref_get_many+0x240/0x240 [ 377.472232] ? print_usage_bug+0xc0/0xc0 [ 377.476297] ? zap_class+0x640/0x640 [ 377.480011] ? print_usage_bug+0xc0/0xc0 [ 377.484065] ? print_usage_bug+0xc0/0xc0 [ 377.488121] ? zap_class+0x640/0x640 [ 377.491866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.497418] ? find_held_lock+0x36/0x1c0 [ 377.501510] ? mark_held_locks+0xc7/0x130 [ 377.505667] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.510795] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.515906] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.520485] ? trace_hardirqs_on+0xbd/0x310 [ 377.524803] ? kasan_check_read+0x11/0x20 [ 377.528962] ? ___ratelimit+0x3b4/0x672 [ 377.532937] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.538045] ? trace_hardirqs_on+0x310/0x310 [ 377.542464] ? lock_downgrade+0x900/0x900 [ 377.546635] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.551743] ? ___ratelimit+0x3b9/0x672 [ 377.555730] ? idr_get_free+0xf70/0xf70 [ 377.559705] ? find_held_lock+0x36/0x1c0 [ 377.563785] oom_kill_process.cold.27+0x10/0x903 [ 377.568543] ? zap_class+0x640/0x640 [ 377.572257] ? check_preemption_disabled+0x48/0x280 [ 377.577276] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.582201] ? kasan_check_read+0x11/0x20 [ 377.586362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.591818] ? oom_evaluate_task+0x540/0x540 [ 377.596230] ? find_held_lock+0x36/0x1c0 [ 377.600303] ? out_of_memory+0x974/0x1430 [ 377.604461] ? lock_downgrade+0x900/0x900 [ 377.608626] ? check_preemption_disabled+0x48/0x280 [ 377.613663] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.618593] ? kasan_check_read+0x11/0x20 [ 377.622759] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.628055] ? rcu_softirq_qs+0x20/0x20 [ 377.632034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.637570] ? oom_evaluate_task+0x302/0x540 [ 377.641983] out_of_memory+0xa84/0x1430 [ 377.645982] ? oom_killer_disable+0x3a0/0x3a0 [ 377.650483] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 377.655433] ? __ww_mutex_check_waiters+0x160/0x160 [ 377.660492] __alloc_pages_slowpath+0x2354/0x2e10 [ 377.665361] ? warn_alloc+0x120/0x120 [ 377.669159] ? mark_held_locks+0x130/0x130 [ 377.673417] ? find_get_entry+0xaae/0x1120 [ 377.677667] ? filemap_map_pages+0x1a20/0x1a20 [ 377.682257] ? zap_class+0x640/0x640 [ 377.685994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.691563] ? check_preemption_disabled+0x48/0x280 [ 377.696598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.702137] ? should_fail+0x22d/0xd01 [ 377.706053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.711184] ? zap_class+0x640/0x640 [ 377.714923] ? __lock_is_held+0xb5/0x140 [ 377.719012] ? mark_held_locks+0x130/0x130 [ 377.723367] ? lock_release+0xa00/0xa00 [ 377.727345] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.732814] ? xa_load+0x2ba/0x460 [ 377.736366] ? lock_downgrade+0x900/0x900 [ 377.740523] ? __might_sleep+0x95/0x190 [ 377.744530] __alloc_pages_nodemask+0xa80/0xde0 [ 377.749206] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.754239] ? __page_cache_alloc+0x191/0x5c0 [ 377.758738] ? xa_load+0x2e1/0x460 [ 377.762278] ? xa_clear_mark+0x40/0x40 [ 377.766167] ? zap_class+0x640/0x640 [ 377.769885] ? zap_class+0x640/0x640 [ 377.773609] ? zap_class+0x640/0x640 [ 377.777323] ? __do_page_cache_readahead+0x663/0x810 [ 377.782427] ? find_held_lock+0x36/0x1c0 [ 377.786496] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 377.792067] alloc_pages_current+0x173/0x350 [ 377.796492] __page_cache_alloc+0x38c/0x5c0 [ 377.800805] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.805746] ? kasan_check_read+0x11/0x20 [ 377.809894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.815175] ? generic_perform_write+0x6a0/0x6a0 [ 377.819971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.825514] ? check_preemption_disabled+0x48/0x280 [ 377.830544] filemap_fault+0x1595/0x25f0 [ 377.834619] ? __lock_page_or_retry+0xa00/0xa00 [ 377.839290] ? mark_held_locks+0x130/0x130 [ 377.843536] ? filemap_map_pages+0xd6b/0x1a20 [ 377.848033] ? lock_downgrade+0x900/0x900 [ 377.852180] ? check_preemption_disabled+0x48/0x280 [ 377.857214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.862143] ? kasan_check_read+0x11/0x20 [ 377.866301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.871585] ? rcu_softirq_qs+0x20/0x20 [ 377.875587] ? filemap_map_pages+0xd92/0x1a20 [ 377.880089] ? print_usage_bug+0xc0/0xc0 [ 377.884171] ? find_get_entries_tag+0x1400/0x1400 [ 377.889010] ? __kasan_slab_free+0x102/0x150 [ 377.893426] ? kasan_slab_free+0xe/0x10 [ 377.897422] ? kmem_cache_free+0x83/0x290 [ 377.901604] ? __sigqueue_free.part.29+0x74/0x90 [ 377.906377] ? lock_acquire+0x1ed/0x520 [ 377.910351] ? ext4_filemap_fault+0x7a/0xad [ 377.914699] ? lock_release+0xa00/0xa00 [ 377.918690] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.924160] ? print_usage_bug+0xc0/0xc0 [ 377.928222] ? print_usage_bug+0xc0/0xc0 [ 377.932298] ? down_read+0x8d/0x120 [ 377.935920] ? ext4_filemap_fault+0x7a/0xad [ 377.940274] ? __down_interruptible+0x700/0x700 [ 377.944967] ext4_filemap_fault+0x82/0xad [ 377.949117] __do_fault+0x100/0x6b0 [ 377.952752] ? pmd_devmap_trans_unstable+0x220/0x220 [ 377.957878] ? mark_held_locks+0x130/0x130 [ 377.962116] ? mark_held_locks+0x130/0x130 [ 377.966373] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 377.971912] ? rcu_pm_notify+0xc0/0xc0 [ 377.975813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.981355] __handle_mm_fault+0x3ea0/0x5be0 [ 377.985772] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 377.990614] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.995111] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.999695] ? trace_hardirqs_on+0xbd/0x310 [ 378.004037] ? kasan_check_read+0x11/0x20 [ 378.008182] ? __set_current_blocked+0xdf/0x120 [ 378.012853] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.017997] ? zap_class+0x640/0x640 [ 378.021711] ? zap_class+0x640/0x640 [ 378.025457] ? find_held_lock+0x36/0x1c0 [ 378.029528] ? handle_mm_fault+0x42a/0xc70 [ 378.033777] ? lock_downgrade+0x900/0x900 [ 378.037929] ? check_preemption_disabled+0x48/0x280 [ 378.042964] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.047916] ? kasan_check_read+0x11/0x20 [ 378.052059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.057333] ? rcu_softirq_qs+0x20/0x20 [ 378.061304] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.066409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.071945] ? check_preemption_disabled+0x48/0x280 [ 378.077016] handle_mm_fault+0x54f/0xc70 [ 378.081108] ? __handle_mm_fault+0x5be0/0x5be0 [ 378.085708] ? find_vma+0x34/0x190 [ 378.089256] __do_page_fault+0x5e8/0xe60 [ 378.093315] ? exit_to_usermode_loop+0x1f4/0x380 [ 378.098073] do_page_fault+0xf2/0x7e0 [ 378.101916] ? vmalloc_sync_all+0x30/0x30 [ 378.106103] ? error_entry+0x70/0xd0 [ 378.109816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.114828] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.119754] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.124680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.129529] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.134547] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.140000] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.145014] ? page_fault+0x8/0x30 [ 378.148571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.153426] ? page_fault+0x8/0x30 [ 378.156988] page_fault+0x1e/0x30 [ 378.160437] RIP: 0033:0x45db60 [ 378.163657] Code: Bad RIP value. [ 378.167041] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 378.172397] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 378.179663] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 378.186926] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 378.194201] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 378.201470] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 378.208772] warn_alloc_show_mem: 1 callbacks suppressed [ 378.208784] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 378.208786] Mem-Info: [ 378.208816] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 378.208816] active_file:10 inactive_file:13 isolated_file:0 [ 378.208816] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.208816] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 378.208816] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 378.208816] free:13762 free_pcp:404 free_cma:0 [ 378.214152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.214161] Call Trace: [ 378.221444] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.223850] <IRQ> [ 378.256640] 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 [ 378.266035] dump_stack+0x244/0x39d [ 378.268592] lowmem_reserve[]: 0 2818 6321 6321 [ 378.295930] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.298059] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 378.324180] warn_alloc.cold.116+0xb7/0x1bd [ 378.327777] lowmem_reserve[]: 0 0 3503 3503 [ 378.332349] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.337524] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 378.365016] ? lock_downgrade+0x900/0x900 [ 378.369308] lowmem_reserve[]: 0 0 0 0 [ 378.373625] ? trace_hardirqs_off+0xb8/0x310 [ 378.378436] 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 [ 378.407409] ? trace_hardirqs_off+0xb8/0x310 [ 378.411527] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 378.415352] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.419747] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 378.433283] ? warn_alloc+0x120/0x120 [ 378.437651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.453068] ? print_usage_bug+0xc0/0xc0 [ 378.457926] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.471972] ? warn_alloc+0x120/0x120 [ 378.475754] 267 total pagecache pages [ 378.484603] ? warn_alloc+0x120/0x120 [ 378.488642] 0 pages in swap cache [ 378.497201] ? print_usage_bug+0xc0/0xc0 [ 378.500998] Swap cache stats: add 0, delete 0, find 0/0 [ 378.504800] ? print_usage_bug+0xc0/0xc0 [ 378.508574] Free swap = 0kB [ 378.512031] ? __lock_acquire+0x62f/0x4c20 [ 378.516098] Total swap = 0kB [ 378.521463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.525510] 1965979 pages RAM [ 378.528525] ? should_fail+0x22d/0xd01 [ 378.532754] 0 pages HighMem/MovableOnly [ 378.535783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.541300] 342853 pages reserved [ 378.544397] ? __lock_acquire+0x62f/0x4c20 [ 378.548260] 0 pages cma reserved [ 378.552230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.557369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.560743] ? __lock_acquire+0x62f/0x4c20 [ 378.560758] ? should_fail+0x22d/0xd01 [ 378.565165] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.568337] ? find_held_lock+0x36/0x1c0 [ 378.573420] syz-fuzzer cpuset=/ mems_allowed=0 [ 378.579905] ? mark_held_locks+0x130/0x130 [ 378.611068] ? mark_held_locks+0x130/0x130 [ 378.615303] ? zap_class+0x640/0x640 [ 378.619019] ? zap_class+0x640/0x640 [ 378.622750] ? print_usage_bug+0xc0/0xc0 [ 378.626827] ? do_raw_spin_unlock+0xa7/0x330 [ 378.631253] ? zap_class+0x640/0x640 [ 378.634969] ? print_usage_bug+0xc0/0xc0 [ 378.639061] ? wq_watchdog_touch+0x9c/0xfe [ 378.643332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.648886] ? check_preemption_disabled+0x48/0x280 [ 378.653939] ? __lock_is_held+0xb5/0x140 [ 378.658037] __alloc_pages_nodemask+0xa80/0xde0 [ 378.662734] ? zap_class+0x640/0x640 [ 378.666460] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.671494] ? find_held_lock+0x36/0x1c0 [ 378.675589] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.680258] ? lock_downgrade+0x900/0x900 [ 378.684415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.689994] cache_grow_begin+0xa5/0x8c0 [ 378.694067] ? do_raw_spin_unlock+0xa7/0x330 [ 378.698488] fallback_alloc+0x204/0x2e0 [ 378.702475] ____cache_alloc_node+0x1c7/0x1e0 [ 378.706992] kmem_cache_alloc_node+0xe3/0x730 [ 378.711489] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.715734] __alloc_skb+0x119/0x770 [ 378.719456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.724753] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.729165] ? lock_downgrade+0x900/0x900 [ 378.734808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.740350] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.745804] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.751255] ? addrconf_rs_timer+0x690/0x690 [ 378.755674] ndisc_alloc_skb+0x144/0x340 [ 378.759736] ndisc_send_rs+0x331/0x6e0 [ 378.763697] addrconf_rs_timer+0x314/0x690 [ 378.767951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.772192] call_timer_fn+0x272/0x920 [ 378.776083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.780313] ? process_timeout+0x40/0x40 [ 378.784379] ? __run_timers+0x7da/0xc70 [ 378.788353] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.792844] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.797334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.801565] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.806161] ? trace_hardirqs_on+0xbd/0x310 [ 378.810532] ? kasan_check_read+0x11/0x20 [ 378.814718] ? __run_timers+0x7da/0xc70 [ 378.818696] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.823834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.828072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.832320] __run_timers+0x7e5/0xc70 [ 378.836124] ? timer_fixup_init+0x70/0x70 [ 378.840267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.845305] ? zap_class+0x640/0x640 [ 378.849016] ? enqueue_hrtimer+0x1a5/0x560 [ 378.853246] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.858437] ? find_held_lock+0x36/0x1c0 [ 378.862503] ? zap_class+0x640/0x640 [ 378.866216] ? pvclock_read_flags+0x160/0x160 [ 378.870713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.876249] ? check_preemption_disabled+0x48/0x280 [ 378.881273] ? __lock_is_held+0xb5/0x140 [ 378.885332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.890881] ? check_preemption_disabled+0x48/0x280 [ 378.895927] run_timer_softirq+0x52/0xb0 [ 378.899990] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.905022] __do_softirq+0x308/0xb7e [ 378.908827] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.913332] ? lock_downgrade+0x900/0x900 [ 378.917488] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.922610] ? pvclock_read_flags+0x160/0x160 [ 378.927111] ? lapic_next_event+0x5a/0x90 [ 378.931292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.936870] ? kvm_clock_read+0x18/0x30 [ 378.940853] ? kvm_sched_clock_read+0x9/0x20 [ 378.945274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.950839] ? check_preemption_disabled+0x48/0x280 [ 378.955865] irq_exit+0x17f/0x1c0 [ 378.959318] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.964158] ? smp_reschedule_interrupt+0x109/0x650 [ 378.969175] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.975093] ? interrupt_entry+0xb5/0xc0 [ 378.979183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.984197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.989227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.994070] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.999100] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.004134] ? task_prio+0x50/0x50 [ 379.007683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.013232] ? check_preemption_disabled+0x48/0x280 [ 379.018272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.023126] apic_timer_interrupt+0xf/0x20 [ 379.027357] </IRQ> [ 379.029611] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.034545] 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 ac [ 379.053465] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.061172] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.068437] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 379.075741] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 379.083005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 379.090268] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 379.097600] skb_clone+0x1bb/0x500 [ 379.101155] ? finish_task_switch+0x1b4/0x910 [ 379.105664] ? skb_split+0x11e0/0x11e0 [ 379.109549] ? preempt_notifier_register+0x200/0x200 [ 379.114649] ? __switch_to_asm+0x34/0x70 [ 379.118725] ? __switch_to_asm+0x34/0x70 [ 379.122811] ? __switch_to_asm+0x40/0x70 [ 379.126868] ? __switch_to_asm+0x34/0x70 [ 379.130927] ? __switch_to_asm+0x40/0x70 [ 379.135016] ? __switch_to_asm+0x34/0x70 [ 379.139073] ? __switch_to_asm+0x40/0x70 [ 379.143132] ? __switch_to_asm+0x34/0x70 [ 379.147201] ? __switch_to_asm+0x34/0x70 [ 379.151263] ? __switch_to_asm+0x40/0x70 [ 379.155332] ? __switch_to_asm+0x34/0x70 [ 379.159430] bpf_clone_redirect+0xb9/0x490 [ 379.163675] ? __schedule+0x8d7/0x21d0 [ 379.167572] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 379.172621] ? __sched_text_start+0x8/0x8 [ 379.176781] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 379.181551] ? find_held_lock+0x36/0x1c0 [ 379.185618] ? lock_acquire+0x1ed/0x520 [ 379.189593] ? bpf_test_run+0x3cb/0x780 [ 379.193571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.199107] ? check_preemption_disabled+0x48/0x280 [ 379.204128] ? kasan_check_read+0x11/0x20 [ 379.208286] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.213579] ? rcu_softirq_qs+0x20/0x20 [ 379.217553] ? preempt_schedule+0x4d/0x60 [ 379.221731] ? ___preempt_schedule+0x16/0x18 [ 379.226149] ? bpf_test_run+0x25d/0x780 [ 379.230137] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.234549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.240090] ? bpf_test_init.isra.10+0x70/0x100 [ 379.244763] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 379.249542] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.254379] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.259921] ? fput+0x130/0x1a0 [ 379.263210] ? __bpf_prog_get+0x9b/0x290 [ 379.267278] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.272115] ? bpf_prog_test_run+0x130/0x1a0 [ 379.276538] ? __x64_sys_bpf+0x3d8/0x520 [ 379.280593] ? bpf_prog_get+0x20/0x20 [ 379.284407] ? do_syscall_64+0x1b9/0x820 [ 379.288466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.293864] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.298787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.303634] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.308653] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.313665] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.318686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.323543] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.328939] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 379.329017] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.335864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.335887] Call Trace: [ 379.342445] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.351706] <IRQ> [ 379.354276] syz-executor2 cpuset=syz2 mems_allowed=0 [ 379.364802] dump_stack+0x244/0x39d [ 379.375653] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.380851] warn_alloc.cold.116+0xb7/0x1bd [ 379.385183] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.390023] ? lock_downgrade+0x900/0x900 [ 379.394203] ? trace_hardirqs_off+0xb8/0x310 [ 379.398611] ? trace_hardirqs_off+0xb8/0x310 [ 379.403024] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.407945] ? warn_alloc+0x120/0x120 [ 379.411764] ? print_usage_bug+0xc0/0xc0 [ 379.415821] ? warn_alloc+0x120/0x120 [ 379.419637] ? warn_alloc+0x120/0x120 [ 379.423431] ? print_usage_bug+0xc0/0xc0 [ 379.427546] ? print_usage_bug+0xc0/0xc0 [ 379.431604] ? find_held_lock+0x36/0x1c0 [ 379.435672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.441207] ? should_fail+0x22d/0xd01 [ 379.445120] ? __lock_acquire+0x62f/0x4c20 [ 379.449355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.454464] ? __lock_acquire+0x62f/0x4c20 [ 379.458703] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.463801] ? __lock_acquire+0x62f/0x4c20 [ 379.468025] ? should_fail+0x22d/0xd01 [ 379.471914] ? mark_held_locks+0x130/0x130 [ 379.476157] ? mark_held_locks+0x130/0x130 [ 379.480402] ? zap_class+0x640/0x640 [ 379.484123] ? zap_class+0x640/0x640 [ 379.487851] ? print_usage_bug+0xc0/0xc0 [ 379.491917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.497462] ? check_preemption_disabled+0x48/0x280 [ 379.502509] ? __lock_is_held+0xb5/0x140 [ 379.506585] __alloc_pages_nodemask+0xa80/0xde0 [ 379.511247] ? zap_class+0x640/0x640 [ 379.514966] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.519990] ? find_held_lock+0x36/0x1c0 [ 379.524062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.528741] ? lock_downgrade+0x900/0x900 [ 379.532906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.538446] cache_grow_begin+0xa5/0x8c0 [ 379.542513] ? do_raw_spin_unlock+0xa7/0x330 [ 379.546959] fallback_alloc+0x204/0x2e0 [ 379.551017] ____cache_alloc_node+0x1c7/0x1e0 [ 379.555514] kmem_cache_alloc_node+0xe3/0x730 [ 379.560007] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.564246] __alloc_skb+0x119/0x770 [ 379.567951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.573240] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.577669] ? lock_downgrade+0x900/0x900 [ 379.581817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.587348] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.593038] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.598515] ? addrconf_rs_timer+0x690/0x690 [ 379.602936] ndisc_alloc_skb+0x144/0x340 [ 379.607015] ndisc_send_rs+0x331/0x6e0 [ 379.610902] addrconf_rs_timer+0x314/0x690 [ 379.615135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.619375] call_timer_fn+0x272/0x920 [ 379.623256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.627498] ? process_timeout+0x40/0x40 [ 379.631565] ? mark_held_locks+0xc7/0x130 [ 379.635710] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.640218] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.644705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.648967] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.653578] ? trace_hardirqs_on+0xbd/0x310 [ 379.657910] ? kasan_check_read+0x11/0x20 [ 379.662055] ? __run_timers+0x7da/0xc70 [ 379.666029] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.671154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.675391] __run_timers+0x7e5/0xc70 [ 379.679198] ? timer_fixup_init+0x70/0x70 [ 379.683347] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.688362] ? zap_class+0x640/0x640 [ 379.692078] ? print_usage_bug+0xc0/0xc0 [ 379.696145] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.701341] ? find_held_lock+0x36/0x1c0 [ 379.705403] ? zap_class+0x640/0x640 [ 379.709146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.714700] ? check_preemption_disabled+0x48/0x280 [ 379.719732] ? __lock_is_held+0xb5/0x140 [ 379.723960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.729510] ? check_preemption_disabled+0x48/0x280 [ 379.734527] run_timer_softirq+0x52/0xb0 [ 379.738592] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.743610] __do_softirq+0x308/0xb7e [ 379.747417] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.751917] ? lock_downgrade+0x900/0x900 [ 379.756068] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.761176] ? pvclock_read_flags+0x160/0x160 [ 379.765675] ? lapic_next_event+0x5a/0x90 [ 379.769834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.775372] ? kvm_clock_read+0x18/0x30 [ 379.779345] ? kvm_sched_clock_read+0x9/0x20 [ 379.783757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.789313] ? check_preemption_disabled+0x48/0x280 [ 379.794334] irq_exit+0x17f/0x1c0 [ 379.797787] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.802628] ? smp_reschedule_interrupt+0x109/0x650 [ 379.807645] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.813528] ? interrupt_entry+0xb5/0xc0 [ 379.817594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.822614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.827639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.832490] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.837508] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.842530] ? task_prio+0x50/0x50 [ 379.846070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.851636] ? check_preemption_disabled+0x48/0x280 [ 379.856672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.861543] apic_timer_interrupt+0xf/0x20 [ 379.865766] </IRQ> [ 379.868019] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 379.873210] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 379.892103] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.899804] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 379.907066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 379.914330] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 379.921590] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 379.928879] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 379.936183] retint_kernel+0x1b/0x2d [ 379.939894] RIP: 0010:dump_stack+0x358/0x39d [ 379.944297] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 379.963192] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 379.970892] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 379.978156] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 379.985414] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 379.992672] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 379.999932] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 380.007232] ? dump_stack+0x34f/0x39d [ 380.011042] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.016237] ? mark_held_locks+0x130/0x130 [ 380.020486] ? mark_held_locks+0x130/0x130 [ 380.024741] dump_header+0x27b/0xf72 [ 380.028468] ? pagefault_out_of_memory+0x197/0x197 [ 380.033403] ? __lock_acquire+0x62f/0x4c20 [ 380.037642] ? percpu_ref_get_many+0x240/0x240 [ 380.042223] ? print_usage_bug+0xc0/0xc0 [ 380.046293] ? zap_class+0x640/0x640 [ 380.050006] ? print_usage_bug+0xc0/0xc0 [ 380.054068] ? print_usage_bug+0xc0/0xc0 [ 380.058128] ? zap_class+0x640/0x640 [ 380.061840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.067377] ? find_held_lock+0x36/0x1c0 [ 380.071455] ? mark_held_locks+0xc7/0x130 [ 380.075604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.080702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.085807] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.090387] ? trace_hardirqs_on+0xbd/0x310 [ 380.094704] ? kasan_check_read+0x11/0x20 [ 380.098851] ? ___ratelimit+0x3b4/0x672 [ 380.102823] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.107929] ? trace_hardirqs_on+0x310/0x310 [ 380.112336] ? lock_downgrade+0x900/0x900 [ 380.116505] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.121607] ? ___ratelimit+0x3b9/0x672 [ 380.125577] ? idr_get_free+0xf70/0xf70 [ 380.129561] ? find_held_lock+0x36/0x1c0 [ 380.133630] oom_kill_process.cold.27+0x10/0x903 [ 380.138384] ? zap_class+0x640/0x640 [ 380.142094] ? check_preemption_disabled+0x48/0x280 [ 380.147111] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.152049] ? kasan_check_read+0x11/0x20 [ 380.156192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.161494] ? oom_evaluate_task+0x540/0x540 [ 380.165934] ? find_held_lock+0x36/0x1c0 [ 380.170000] ? out_of_memory+0x974/0x1430 [ 380.174178] ? lock_downgrade+0x900/0x900 [ 380.178328] ? check_preemption_disabled+0x48/0x280 [ 380.183348] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.188279] ? kasan_check_read+0x11/0x20 [ 380.192440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.197735] ? rcu_softirq_qs+0x20/0x20 [ 380.201715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.207254] ? oom_evaluate_task+0x302/0x540 [ 380.211662] out_of_memory+0xa84/0x1430 [ 380.215637] ? oom_killer_disable+0x3a0/0x3a0 [ 380.220128] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 380.225058] ? __ww_mutex_check_waiters+0x160/0x160 [ 380.230082] __alloc_pages_slowpath+0x2354/0x2e10 [ 380.234975] ? warn_alloc+0x120/0x120 [ 380.238789] ? mark_held_locks+0x130/0x130 [ 380.243044] ? find_get_entry+0xaae/0x1120 [ 380.247318] ? filemap_map_pages+0x1a20/0x1a20 [ 380.251923] ? zap_class+0x640/0x640 [ 380.255678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.261233] ? check_preemption_disabled+0x48/0x280 [ 380.266246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.271779] ? should_fail+0x22d/0xd01 [ 380.275668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.280772] ? zap_class+0x640/0x640 [ 380.284526] ? __lock_is_held+0xb5/0x140 [ 380.288592] ? mark_held_locks+0x130/0x130 [ 380.292840] ? lock_release+0xa00/0xa00 [ 380.296819] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.302266] ? xa_load+0x2ba/0x460 [ 380.305809] ? lock_downgrade+0x900/0x900 [ 380.309962] ? __might_sleep+0x95/0x190 [ 380.313937] __alloc_pages_nodemask+0xa80/0xde0 [ 380.318612] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.323627] ? __page_cache_alloc+0x191/0x5c0 [ 380.328136] ? xa_load+0x2e1/0x460 [ 380.331677] ? xa_clear_mark+0x40/0x40 [ 380.335565] ? zap_class+0x640/0x640 [ 380.339285] ? zap_class+0x640/0x640 [ 380.342995] ? zap_class+0x640/0x640 [ 380.346706] ? __do_page_cache_readahead+0x663/0x810 [ 380.351833] ? find_held_lock+0x36/0x1c0 [ 380.355896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 380.361437] alloc_pages_current+0x173/0x350 [ 380.365853] __page_cache_alloc+0x38c/0x5c0 [ 380.370182] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.375108] ? kasan_check_read+0x11/0x20 [ 380.379249] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.384578] ? generic_perform_write+0x6a0/0x6a0 [ 380.389357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.394890] ? check_preemption_disabled+0x48/0x280 [ 380.399906] filemap_fault+0x1595/0x25f0 [ 380.403973] ? __lock_page_or_retry+0xa00/0xa00 [ 380.408681] ? mark_held_locks+0x130/0x130 [ 380.412969] ? filemap_map_pages+0xd6b/0x1a20 [ 380.417480] ? lock_downgrade+0x900/0x900 [ 380.421667] ? check_preemption_disabled+0x48/0x280 [ 380.426683] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.431626] ? kasan_check_read+0x11/0x20 [ 380.435772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.441090] ? rcu_softirq_qs+0x20/0x20 [ 380.445084] ? filemap_map_pages+0xd92/0x1a20 [ 380.449587] ? print_usage_bug+0xc0/0xc0 [ 380.453699] ? find_get_entries_tag+0x1400/0x1400 [ 380.458584] ? __kasan_slab_free+0x102/0x150 [ 380.463000] ? kasan_slab_free+0xe/0x10 [ 380.466965] ? kmem_cache_free+0x83/0x290 [ 380.471109] ? __sigqueue_free.part.29+0x74/0x90 [ 380.475899] ? lock_acquire+0x1ed/0x520 [ 380.479879] ? ext4_filemap_fault+0x7a/0xad [ 380.484198] ? lock_release+0xa00/0xa00 [ 380.488178] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.493622] ? print_usage_bug+0xc0/0xc0 [ 380.497675] ? print_usage_bug+0xc0/0xc0 [ 380.501753] ? down_read+0x8d/0x120 [ 380.505371] ? ext4_filemap_fault+0x7a/0xad [ 380.509693] ? __down_interruptible+0x700/0x700 [ 380.514375] ext4_filemap_fault+0x82/0xad [ 380.518536] __do_fault+0x100/0x6b0 [ 380.522166] ? pmd_devmap_trans_unstable+0x220/0x220 [ 380.527268] ? mark_held_locks+0x130/0x130 [ 380.531496] ? mark_held_locks+0x130/0x130 [ 380.535733] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.541289] ? rcu_pm_notify+0xc0/0xc0 [ 380.545177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.550713] __handle_mm_fault+0x3ea0/0x5be0 [ 380.555131] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 380.559979] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.564477] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.569058] ? trace_hardirqs_on+0xbd/0x310 [ 380.573388] ? kasan_check_read+0x11/0x20 [ 380.577544] ? __set_current_blocked+0xdf/0x120 [ 380.582228] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.587391] ? zap_class+0x640/0x640 [ 380.591114] ? zap_class+0x640/0x640 [ 380.594828] ? find_held_lock+0x36/0x1c0 [ 380.598891] ? handle_mm_fault+0x42a/0xc70 [ 380.603121] ? lock_downgrade+0x900/0x900 [ 380.607298] ? check_preemption_disabled+0x48/0x280 [ 380.612331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.617257] ? kasan_check_read+0x11/0x20 [ 380.621410] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.626695] ? rcu_softirq_qs+0x20/0x20 [ 380.630682] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.635806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.641355] ? check_preemption_disabled+0x48/0x280 [ 380.646389] handle_mm_fault+0x54f/0xc70 [ 380.650457] ? __handle_mm_fault+0x5be0/0x5be0 [ 380.655055] ? find_vma+0x34/0x190 [ 380.658598] __do_page_fault+0x5e8/0xe60 [ 380.662654] ? exit_to_usermode_loop+0x1f4/0x380 [ 380.667426] do_page_fault+0xf2/0x7e0 [ 380.671225] ? vmalloc_sync_all+0x30/0x30 [ 380.675383] ? error_entry+0x70/0xd0 [ 380.679114] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.684141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.689084] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.694029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.698871] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.703887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.709370] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.714386] ? page_fault+0x8/0x30 [ 380.717957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.722804] ? page_fault+0x8/0x30 [ 380.726340] page_fault+0x1e/0x30 [ 380.729785] RIP: 0033:0x45db60 [ 380.733158] Code: Bad RIP value. [ 380.736520] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 380.741906] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 380.749175] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 380.756442] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 380.763733] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 380.770996] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 380.778293] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 380.778298] warn_alloc_show_mem: 1 callbacks suppressed [ 380.778305] Mem-Info: [ 380.785576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.790950] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 380.790950] active_file:10 inactive_file:13 isolated_file:0 [ 380.790950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.790950] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 380.790950] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 380.790950] free:13762 free_pcp:404 free_cma:0 [ 380.793335] Call Trace: [ 380.802741] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.835524] <IRQ> [ 380.838101] 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 [ 380.865421] dump_stack+0x244/0x39d [ 380.867542] lowmem_reserve[]: 0 2818 6321 6321 [ 380.893643] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.897239] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 380.901836] warn_alloc.cold.116+0xb7/0x1bd [ 380.906988] lowmem_reserve[]: 0 0 3503 3503 [ 380.934502] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.938795] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 380.943108] ? lock_downgrade+0x900/0x900 [ 380.947919] lowmem_reserve[]: 0 0 0 0 [ 380.976902] ? trace_hardirqs_off+0xb8/0x310 [ 380.981063] 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 [ 380.984858] ? trace_hardirqs_off+0xb8/0x310 [ 380.989261] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 381.002792] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.007171] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 381.022621] ? warn_alloc+0x120/0x120 [ 381.027424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.041460] ? print_usage_bug+0xc0/0xc0 [ 381.045234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.045242] 267 total pagecache pages [ 381.054066] ? warn_alloc+0x120/0x120 [ 381.058106] 0 pages in swap cache [ 381.066662] ? warn_alloc+0x120/0x120 [ 381.070434] Swap cache stats: add 0, delete 0, find 0/0 [ 381.074229] ? print_usage_bug+0xc0/0xc0 [ 381.077666] Free swap = 0kB [ 381.081488] ? kvm_clock_read+0x18/0x30 [ 381.086939] Total swap = 0kB [ 381.090990] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 381.093979] 1965979 pages RAM [ 381.097939] ? print_usage_bug+0xc0/0xc0 [ 381.100937] 0 pages HighMem/MovableOnly [ 381.105947] ? __lock_acquire+0x62f/0x4c20 [ 381.109054] 342853 pages reserved [ 381.113117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.117070] 0 pages cma reserved [ 381.121291] ? should_fail+0x22d/0xd01 [ 381.124792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.130255] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.130273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.130289] ? __lock_acquire+0x62f/0x4c20 [ 381.133718] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.137511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.143981] syz-fuzzer cpuset=/ mems_allowed=0 [ 381.149253] ? __lock_acquire+0x62f/0x4c20 [ 381.182684] ? should_fail+0x22d/0xd01 [ 381.186827] ? rcu_irq_exit+0x1a2/0x390 [ 381.190812] ? mark_held_locks+0x130/0x130 [ 381.195047] ? mark_held_locks+0x130/0x130 [ 381.199284] ? mark_held_locks+0xc7/0x130 [ 381.203433] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 381.208477] ? zap_class+0x640/0x640 [ 381.212247] ? print_usage_bug+0xc0/0xc0 [ 381.216312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.221858] ? check_preemption_disabled+0x48/0x280 [ 381.226882] ? __lock_is_held+0xb5/0x140 [ 381.230960] __alloc_pages_nodemask+0xa80/0xde0 [ 381.235637] ? zap_class+0x640/0x640 [ 381.239349] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.244422] ? find_held_lock+0x36/0x1c0 [ 381.248497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.253203] ? lock_downgrade+0x900/0x900 [ 381.257375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.262916] cache_grow_begin+0xa5/0x8c0 [ 381.266987] ? do_raw_spin_unlock+0xa7/0x330 [ 381.271401] fallback_alloc+0x204/0x2e0 [ 381.275378] ____cache_alloc_node+0x1c7/0x1e0 [ 381.279876] kmem_cache_alloc_node+0xe3/0x730 [ 381.284368] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.288608] __alloc_skb+0x119/0x770 [ 381.292318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.297593] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.301994] ? lock_downgrade+0x900/0x900 [ 381.306162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.311697] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.317154] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.322618] ? addrconf_rs_timer+0x690/0x690 [ 381.327069] ndisc_alloc_skb+0x144/0x340 [ 381.331145] ndisc_send_rs+0x331/0x6e0 [ 381.335039] addrconf_rs_timer+0x314/0x690 [ 381.339290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.343547] call_timer_fn+0x272/0x920 [ 381.347431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.351675] ? process_timeout+0x40/0x40 [ 381.355743] ? __run_timers+0x7da/0xc70 [ 381.359739] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.364248] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.368737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.372971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.377552] ? trace_hardirqs_on+0xbd/0x310 [ 381.381869] ? kasan_check_read+0x11/0x20 [ 381.386016] ? __run_timers+0x7da/0xc70 [ 381.389989] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.395091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.399330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.403559] __run_timers+0x7e5/0xc70 [ 381.407364] ? timer_fixup_init+0x70/0x70 [ 381.411510] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.416524] ? zap_class+0x640/0x640 [ 381.420244] ? enqueue_hrtimer+0x1a5/0x560 [ 381.424490] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.429688] ? find_held_lock+0x36/0x1c0 [ 381.433765] ? zap_class+0x640/0x640 [ 381.437513] ? pvclock_read_flags+0x160/0x160 [ 381.442007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.447553] ? check_preemption_disabled+0x48/0x280 [ 381.452629] ? __lock_is_held+0xb5/0x140 [ 381.456702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.462243] ? check_preemption_disabled+0x48/0x280 [ 381.467261] run_timer_softirq+0x52/0xb0 [ 381.471318] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.476334] __do_softirq+0x308/0xb7e [ 381.480153] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.484657] ? lock_downgrade+0x900/0x900 [ 381.488803] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.493929] ? pvclock_read_flags+0x160/0x160 [ 381.498438] ? lapic_next_event+0x5a/0x90 [ 381.502592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.508173] ? kvm_clock_read+0x18/0x30 [ 381.512145] ? kvm_sched_clock_read+0x9/0x20 [ 381.516600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.522135] ? check_preemption_disabled+0x48/0x280 [ 381.527158] irq_exit+0x17f/0x1c0 [ 381.530615] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.535464] ? smp_reschedule_interrupt+0x109/0x650 [ 381.540482] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.546379] ? interrupt_entry+0xb5/0xc0 [ 381.550440] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.555471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.560498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.565337] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.570351] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.575360] ? task_prio+0x50/0x50 [ 381.578895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.584429] ? check_preemption_disabled+0x48/0x280 [ 381.589457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.594302] apic_timer_interrupt+0xf/0x20 [ 381.598523] </IRQ> [ 381.600757] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.605680] 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 ac [ 381.624572] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.632275] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.639553] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 381.646819] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 381.654084] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.661375] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 381.668683] skb_clone+0x1bb/0x500 [ 381.672229] ? finish_task_switch+0x1b4/0x910 [ 381.676744] ? skb_split+0x11e0/0x11e0 [ 381.680663] ? preempt_notifier_register+0x200/0x200 [ 381.685778] ? __switch_to_asm+0x34/0x70 [ 381.689838] ? __switch_to_asm+0x34/0x70 [ 381.694331] ? __switch_to_asm+0x40/0x70 [ 381.698390] ? __switch_to_asm+0x34/0x70 [ 381.702456] ? __switch_to_asm+0x40/0x70 [ 381.706515] ? __switch_to_asm+0x34/0x70 [ 381.710574] ? __switch_to_asm+0x40/0x70 [ 381.714633] ? __switch_to_asm+0x34/0x70 [ 381.718689] ? __switch_to_asm+0x34/0x70 [ 381.723253] ? __switch_to_asm+0x40/0x70 [ 381.727311] ? __switch_to_asm+0x34/0x70 [ 381.731378] bpf_clone_redirect+0xb9/0x490 [ 381.735615] ? __schedule+0x8d7/0x21d0 [ 381.739525] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 381.744546] ? __sched_text_start+0x8/0x8 [ 381.748708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.754206] ? find_held_lock+0x36/0x1c0 [ 381.758278] ? lock_acquire+0x1ed/0x520 [ 381.762258] ? bpf_test_run+0x3cb/0x780 [ 381.766237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.771794] ? check_preemption_disabled+0x48/0x280 [ 381.776833] ? kasan_check_read+0x11/0x20 [ 381.780986] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.786269] ? rcu_softirq_qs+0x20/0x20 [ 381.790254] ? preempt_schedule+0x4d/0x60 [ 381.794406] ? ___preempt_schedule+0x16/0x18 [ 381.798827] ? bpf_test_run+0x25d/0x780 [ 381.802818] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.807234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.812794] ? bpf_test_init.isra.10+0x70/0x100 [ 381.817506] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 381.822291] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.827133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.832678] ? fput+0x130/0x1a0 [ 381.835964] ? __bpf_prog_get+0x9b/0x290 [ 381.840067] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.844907] ? bpf_prog_test_run+0x130/0x1a0 [ 381.849353] ? __x64_sys_bpf+0x3d8/0x520 [ 381.853414] ? bpf_prog_get+0x20/0x20 [ 381.857255] ? do_syscall_64+0x1b9/0x820 [ 381.861320] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.866693] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.871646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.876495] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.881528] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.886560] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.891578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.896427] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.901810] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 381.901894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.908751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.908756] Call Trace: [ 381.908762] <IRQ> [ 381.908808] dump_stack+0x244/0x39d [ 381.908825] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.915447] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.924665] warn_alloc.cold.116+0xb7/0x1bd [ 381.927239] syz-executor2 cpuset=syz2 mems_allowed=0 [ 381.929389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.962901] ? lock_downgrade+0x900/0x900 [ 381.967097] ? trace_hardirqs_off+0xb8/0x310 [ 381.971542] ? trace_hardirqs_off+0xb8/0x310 [ 381.975971] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.980838] ? warn_alloc+0x120/0x120 [ 381.984670] ? print_usage_bug+0xc0/0xc0 [ 381.988732] ? warn_alloc+0x120/0x120 [ 381.992549] ? warn_alloc+0x120/0x120 [ 381.996345] ? print_usage_bug+0xc0/0xc0 [ 382.000404] ? print_usage_bug+0xc0/0xc0 [ 382.004467] ? __lock_acquire+0x62f/0x4c20 [ 382.008731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.014263] ? should_fail+0x22d/0xd01 [ 382.018148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.023250] ? __lock_acquire+0x62f/0x4c20 [ 382.027486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.032585] ? __lock_acquire+0x62f/0x4c20 [ 382.036810] ? should_fail+0x22d/0xd01 [ 382.040707] ? find_held_lock+0x36/0x1c0 [ 382.044803] ? mark_held_locks+0x130/0x130 [ 382.049037] ? mark_held_locks+0x130/0x130 [ 382.053280] ? zap_class+0x640/0x640 [ 382.056990] ? zap_class+0x640/0x640 [ 382.060713] ? print_usage_bug+0xc0/0xc0 [ 382.064770] ? do_raw_spin_unlock+0xa7/0x330 [ 382.069169] ? zap_class+0x640/0x640 [ 382.072882] ? print_usage_bug+0xc0/0xc0 [ 382.076934] ? wq_watchdog_touch+0x9c/0xfe [ 382.081165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.086748] ? check_preemption_disabled+0x48/0x280 [ 382.091782] ? __lock_is_held+0xb5/0x140 [ 382.095843] __alloc_pages_nodemask+0xa80/0xde0 [ 382.100520] ? zap_class+0x640/0x640 [ 382.104240] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.109262] ? find_held_lock+0x36/0x1c0 [ 382.113329] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.118015] ? lock_downgrade+0x900/0x900 [ 382.122171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.127714] cache_grow_begin+0xa5/0x8c0 [ 382.131787] ? do_raw_spin_unlock+0xa7/0x330 [ 382.136210] fallback_alloc+0x204/0x2e0 [ 382.140192] ____cache_alloc_node+0x1c7/0x1e0 [ 382.144698] kmem_cache_alloc_node+0xe3/0x730 [ 382.149285] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.153529] __alloc_skb+0x119/0x770 [ 382.157264] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.162559] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.167004] ? lock_downgrade+0x900/0x900 [ 382.171162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.176702] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.182185] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.187651] ? addrconf_rs_timer+0x690/0x690 [ 382.192077] ndisc_alloc_skb+0x144/0x340 [ 382.196147] ndisc_send_rs+0x331/0x6e0 [ 382.200041] addrconf_rs_timer+0x314/0x690 [ 382.204280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.208525] call_timer_fn+0x272/0x920 [ 382.212415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.216667] ? process_timeout+0x40/0x40 [ 382.220758] ? mark_held_locks+0xc7/0x130 [ 382.224911] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.229406] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.233904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.238145] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.242742] ? trace_hardirqs_on+0xbd/0x310 [ 382.247069] ? kasan_check_read+0x11/0x20 [ 382.251221] ? __run_timers+0x7da/0xc70 [ 382.255202] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.260324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.264561] __run_timers+0x7e5/0xc70 [ 382.268396] ? timer_fixup_init+0x70/0x70 [ 382.272568] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.277588] ? zap_class+0x640/0x640 [ 382.281308] ? print_usage_bug+0xc0/0xc0 [ 382.285374] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.290573] ? find_held_lock+0x36/0x1c0 [ 382.294639] ? zap_class+0x640/0x640 [ 382.298360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.303916] ? check_preemption_disabled+0x48/0x280 [ 382.308945] ? __lock_is_held+0xb5/0x140 [ 382.313008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.318563] ? check_preemption_disabled+0x48/0x280 [ 382.323598] run_timer_softirq+0x52/0xb0 [ 382.327663] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.332696] __do_softirq+0x308/0xb7e [ 382.336506] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.340998] ? lock_downgrade+0x900/0x900 [ 382.345146] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.350284] ? pvclock_read_flags+0x160/0x160 [ 382.354781] ? lapic_next_event+0x5a/0x90 [ 382.358938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.364481] ? kvm_clock_read+0x18/0x30 [ 382.368475] ? kvm_sched_clock_read+0x9/0x20 [ 382.372879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.378411] ? check_preemption_disabled+0x48/0x280 [ 382.383431] irq_exit+0x17f/0x1c0 [ 382.386887] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.391741] ? smp_reschedule_interrupt+0x109/0x650 [ 382.396757] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.402637] ? interrupt_entry+0xb5/0xc0 [ 382.406696] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.411706] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.416727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.421564] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.426575] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.431591] ? task_prio+0x50/0x50 [ 382.435130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.440661] ? check_preemption_disabled+0x48/0x280 [ 382.445705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.450564] apic_timer_interrupt+0xf/0x20 [ 382.454785] </IRQ> [ 382.457018] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 382.462204] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 382.481158] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.488871] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 382.496153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 382.503423] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 382.510702] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 382.518005] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 382.525319] retint_kernel+0x1b/0x2d [ 382.529035] RIP: 0010:dump_stack+0x358/0x39d [ 382.533445] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 382.552377] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 382.560088] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 382.567354] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 382.574623] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 382.581901] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 382.589169] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 382.596496] ? dump_stack+0x34f/0x39d [ 382.600307] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.605501] ? mark_held_locks+0x130/0x130 [ 382.609735] ? mark_held_locks+0x130/0x130 [ 382.613985] dump_header+0x27b/0xf72 [ 382.617708] ? pagefault_out_of_memory+0x197/0x197 [ 382.622645] ? __lock_acquire+0x62f/0x4c20 [ 382.626891] ? percpu_ref_get_many+0x240/0x240 [ 382.631482] ? print_usage_bug+0xc0/0xc0 [ 382.635556] ? zap_class+0x640/0x640 [ 382.639266] ? print_usage_bug+0xc0/0xc0 [ 382.643358] ? print_usage_bug+0xc0/0xc0 [ 382.647418] ? zap_class+0x640/0x640 [ 382.651140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.656675] ? find_held_lock+0x36/0x1c0 [ 382.660741] ? mark_held_locks+0xc7/0x130 [ 382.664913] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.670005] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.675099] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.679690] ? trace_hardirqs_on+0xbd/0x310 [ 382.684025] ? kasan_check_read+0x11/0x20 [ 382.688165] ? ___ratelimit+0x3b4/0x672 [ 382.692138] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.697238] ? trace_hardirqs_on+0x310/0x310 [ 382.701645] ? lock_downgrade+0x900/0x900 [ 382.705810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.710907] ? ___ratelimit+0x3b9/0x672 [ 382.714877] ? idr_get_free+0xf70/0xf70 [ 382.718851] ? find_held_lock+0x36/0x1c0 [ 382.722970] oom_kill_process.cold.27+0x10/0x903 [ 382.727786] ? zap_class+0x640/0x640 [ 382.731560] ? check_preemption_disabled+0x48/0x280 [ 382.736609] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.741599] ? kasan_check_read+0x11/0x20 [ 382.745751] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.751039] ? oom_evaluate_task+0x540/0x540 [ 382.755548] ? find_held_lock+0x36/0x1c0 [ 382.759627] ? out_of_memory+0x974/0x1430 [ 382.763800] ? lock_downgrade+0x900/0x900 [ 382.767949] ? check_preemption_disabled+0x48/0x280 [ 382.772965] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.777890] ? kasan_check_read+0x11/0x20 [ 382.782038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.787313] ? rcu_softirq_qs+0x20/0x20 [ 382.791296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.796829] ? oom_evaluate_task+0x302/0x540 [ 382.801241] out_of_memory+0xa84/0x1430 [ 382.805226] ? oom_killer_disable+0x3a0/0x3a0 [ 382.809745] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 382.814696] ? __ww_mutex_check_waiters+0x160/0x160 [ 382.819773] __alloc_pages_slowpath+0x2354/0x2e10 [ 382.824647] ? warn_alloc+0x120/0x120 [ 382.828457] ? mark_held_locks+0x130/0x130 [ 382.832699] ? find_get_entry+0xaae/0x1120 [ 382.836947] ? filemap_map_pages+0x1a20/0x1a20 [ 382.841538] ? zap_class+0x640/0x640 [ 382.845255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.850792] ? check_preemption_disabled+0x48/0x280 [ 382.855820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.861355] ? should_fail+0x22d/0xd01 [ 382.865249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.870352] ? zap_class+0x640/0x640 [ 382.874096] ? __lock_is_held+0xb5/0x140 [ 382.878164] ? mark_held_locks+0x130/0x130 [ 382.882399] ? lock_release+0xa00/0xa00 [ 382.886374] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.891828] ? xa_load+0x2ba/0x460 [ 382.895369] ? lock_downgrade+0x900/0x900 [ 382.899521] ? __might_sleep+0x95/0x190 [ 382.903497] __alloc_pages_nodemask+0xa80/0xde0 [ 382.908187] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.913206] ? __page_cache_alloc+0x191/0x5c0 [ 382.917700] ? xa_load+0x2e1/0x460 [ 382.921277] ? xa_clear_mark+0x40/0x40 [ 382.925164] ? zap_class+0x640/0x640 [ 382.928881] ? zap_class+0x640/0x640 [ 382.932600] ? zap_class+0x640/0x640 [ 382.936323] ? __do_page_cache_readahead+0x663/0x810 [ 382.941440] ? find_held_lock+0x36/0x1c0 [ 382.945509] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 382.951050] alloc_pages_current+0x173/0x350 [ 382.955478] __page_cache_alloc+0x38c/0x5c0 [ 382.959809] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.964737] ? kasan_check_read+0x11/0x20 [ 382.968887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.974176] ? generic_perform_write+0x6a0/0x6a0 [ 382.978927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.984463] ? check_preemption_disabled+0x48/0x280 [ 382.989487] filemap_fault+0x1595/0x25f0 [ 382.993603] ? __lock_page_or_retry+0xa00/0xa00 [ 382.998265] ? mark_held_locks+0x130/0x130 [ 383.002499] ? filemap_map_pages+0xd6b/0x1a20 [ 383.007004] ? lock_downgrade+0x900/0x900 [ 383.011159] ? check_preemption_disabled+0x48/0x280 [ 383.016186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.021120] ? kasan_check_read+0x11/0x20 [ 383.025261] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.030549] ? rcu_softirq_qs+0x20/0x20 [ 383.034536] ? filemap_map_pages+0xd92/0x1a20 [ 383.039036] ? print_usage_bug+0xc0/0xc0 [ 383.043117] ? find_get_entries_tag+0x1400/0x1400 [ 383.048006] ? __kasan_slab_free+0x102/0x150 [ 383.052438] ? kasan_slab_free+0xe/0x10 [ 383.056436] ? kmem_cache_free+0x83/0x290 [ 383.060588] ? __sigqueue_free.part.29+0x74/0x90 [ 383.065360] ? lock_acquire+0x1ed/0x520 [ 383.069334] ? ext4_filemap_fault+0x7a/0xad [ 383.073659] ? lock_release+0xa00/0xa00 [ 383.077633] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.083083] ? print_usage_bug+0xc0/0xc0 [ 383.087141] ? print_usage_bug+0xc0/0xc0 [ 383.091212] ? down_read+0x8d/0x120 [ 383.094867] ? ext4_filemap_fault+0x7a/0xad [ 383.099201] ? __down_interruptible+0x700/0x700 [ 383.103880] ext4_filemap_fault+0x82/0xad [ 383.108028] __do_fault+0x100/0x6b0 [ 383.111682] ? pmd_devmap_trans_unstable+0x220/0x220 [ 383.116787] ? mark_held_locks+0x130/0x130 [ 383.121020] ? mark_held_locks+0x130/0x130 [ 383.125252] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 383.130845] ? rcu_pm_notify+0xc0/0xc0 [ 383.134763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.140308] __handle_mm_fault+0x3ea0/0x5be0 [ 383.144731] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 383.149589] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.154087] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.158675] ? trace_hardirqs_on+0xbd/0x310 [ 383.162998] ? kasan_check_read+0x11/0x20 [ 383.167171] ? __set_current_blocked+0xdf/0x120 [ 383.171845] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.176966] ? zap_class+0x640/0x640 [ 383.180693] ? zap_class+0x640/0x640 [ 383.184415] ? find_held_lock+0x36/0x1c0 [ 383.188492] ? handle_mm_fault+0x42a/0xc70 [ 383.192745] ? lock_downgrade+0x900/0x900 [ 383.196894] ? check_preemption_disabled+0x48/0x280 [ 383.201912] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.206844] ? kasan_check_read+0x11/0x20 [ 383.211005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.216274] ? rcu_softirq_qs+0x20/0x20 [ 383.220245] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.225346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.230878] ? check_preemption_disabled+0x48/0x280 [ 383.235899] handle_mm_fault+0x54f/0xc70 [ 383.239973] ? __handle_mm_fault+0x5be0/0x5be0 [ 383.244569] ? find_vma+0x34/0x190 [ 383.248125] __do_page_fault+0x5e8/0xe60 [ 383.252182] ? exit_to_usermode_loop+0x1f4/0x380 [ 383.256968] do_page_fault+0xf2/0x7e0 [ 383.260767] ? vmalloc_sync_all+0x30/0x30 [ 383.264909] ? error_entry+0x70/0xd0 [ 383.268663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.273708] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.278637] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.283559] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.288411] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.293415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.298867] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.303922] ? page_fault+0x8/0x30 [ 383.307468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.312312] ? page_fault+0x8/0x30 [ 383.315847] page_fault+0x1e/0x30 [ 383.319308] RIP: 0033:0x45db60 [ 383.322508] Code: Bad RIP value. [ 383.325888] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 383.331245] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 383.338528] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 383.345796] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 383.353062] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 383.360344] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 383.367637] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 383.367642] warn_alloc_show_mem: 1 callbacks suppressed [ 383.367649] Mem-Info: [ 383.374917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.380281] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 383.380281] active_file:10 inactive_file:13 isolated_file:0 [ 383.380281] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.380281] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 383.380281] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 383.380281] free:13762 free_pcp:404 free_cma:0 [ 383.382683] Call Trace: [ 383.392080] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.424852] <IRQ> [ 383.427427] 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 [ 383.454770] dump_stack+0x244/0x39d [ 383.456903] lowmem_reserve[]: 0 2818 6321 6321 [ 383.483067] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.486677] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 383.491297] warn_alloc.cold.116+0xb7/0x1bd [ 383.496472] lowmem_reserve[]: 0 0 3503 3503 [ 383.524023] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.528321] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 383.532638] ? lock_downgrade+0x900/0x900 [ 383.537472] lowmem_reserve[]: 0 0 0 0 [ 383.566471] ? trace_hardirqs_off+0xb8/0x310 [ 383.570593] 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 [ 383.574396] ? trace_hardirqs_off+0xb8/0x310 [ 383.578786] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 383.592539] __alloc_pages_slowpath+0x26e8/0x2e10 [ 383.596924] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 383.612389] ? warn_alloc+0x120/0x120 [ 383.617191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.631248] ? warn_alloc+0x120/0x120 [ 383.635026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.643864] ? warn_alloc+0x120/0x120 [ 383.647648] 267 total pagecache pages [ 383.656236] ? print_usage_bug+0xc0/0xc0 [ 383.660013] 0 pages in swap cache [ 383.663802] ? warn_alloc+0x120/0x120 [ 383.667851] Swap cache stats: add 0, delete 0, find 0/0 [ 383.671297] ? print_usage_bug+0xc0/0xc0 [ 383.675080] Free swap = 0kB [ 383.680457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.684487] Total swap = 0kB [ 383.687520] ? should_fail+0x22d/0xd01 [ 383.693033] 1965979 pages RAM [ 383.696049] ? __lock_acquire+0x62f/0x4c20 [ 383.699908] 0 pages HighMem/MovableOnly [ 383.703014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.707223] 342853 pages reserved [ 383.711198] ? __lock_acquire+0x62f/0x4c20 [ 383.716272] 0 pages cma reserved [ 383.719741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.724180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.727466] ? __lock_acquire+0x62f/0x4c20 [ 383.727480] ? should_fail+0x22d/0xd01 [ 383.727504] ? mark_held_locks+0x130/0x130 [ 383.732663] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.739089] ? mark_held_locks+0x130/0x130 [ 383.743316] syz-fuzzer cpuset=/ mems_allowed=0 [ 383.747231] ? mark_held_locks+0x130/0x130 [ 383.774682] ? zap_class+0x640/0x640 [ 383.778394] ? print_usage_bug+0xc0/0xc0 [ 383.782459] ? mark_held_locks+0x130/0x130 [ 383.786694] ? print_usage_bug+0xc0/0xc0 [ 383.790757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.796332] ? check_preemption_disabled+0x48/0x280 [ 383.801364] ? __lock_is_held+0xb5/0x140 [ 383.805433] __alloc_pages_nodemask+0xa80/0xde0 [ 383.810109] ? zap_class+0x640/0x640 [ 383.813828] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.818868] ? find_held_lock+0x36/0x1c0 [ 383.822959] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.827630] ? lock_downgrade+0x900/0x900 [ 383.831791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.837336] cache_grow_begin+0xa5/0x8c0 [ 383.841399] ? do_raw_spin_unlock+0xa7/0x330 [ 383.845818] fallback_alloc+0x204/0x2e0 [ 383.849797] ____cache_alloc_node+0x1c7/0x1e0 [ 383.854299] kmem_cache_alloc_node+0xe3/0x730 [ 383.858794] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.863068] __alloc_skb+0x119/0x770 [ 383.866783] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.872083] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.876508] ? lock_downgrade+0x900/0x900 [ 383.880678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.886226] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.891681] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.897143] ? addrconf_rs_timer+0x690/0x690 [ 383.901565] ndisc_alloc_skb+0x144/0x340 [ 383.905645] ndisc_send_rs+0x331/0x6e0 [ 383.909543] addrconf_rs_timer+0x314/0x690 [ 383.913798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.918060] call_timer_fn+0x272/0x920 [ 383.921961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.926195] ? process_timeout+0x40/0x40 [ 383.930266] ? __run_timers+0x7da/0xc70 [ 383.934245] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.938738] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.943239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.947478] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.952059] ? trace_hardirqs_on+0xbd/0x310 [ 383.956379] ? kasan_check_read+0x11/0x20 [ 383.960526] ? __run_timers+0x7da/0xc70 [ 383.964527] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.969665] ? tcp_compressed_ack_kick+0x220/0x220 [ 383.974598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.978826] __run_timers+0x7e5/0xc70 [ 383.982636] ? timer_fixup_init+0x70/0x70 [ 383.986800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.991817] ? zap_class+0x640/0x640 [ 383.995533] ? enqueue_hrtimer+0x1a5/0x560 [ 383.999827] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.005038] ? find_held_lock+0x36/0x1c0 [ 384.009098] ? zap_class+0x640/0x640 [ 384.012814] ? pvclock_read_flags+0x160/0x160 [ 384.017304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.022844] ? check_preemption_disabled+0x48/0x280 [ 384.027887] ? __lock_is_held+0xb5/0x140 [ 384.031981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.037536] ? check_preemption_disabled+0x48/0x280 [ 384.042574] run_timer_softirq+0x52/0xb0 [ 384.046654] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.051668] __do_softirq+0x308/0xb7e [ 384.055476] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.059994] ? lock_downgrade+0x900/0x900 [ 384.064146] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.069256] ? pvclock_read_flags+0x160/0x160 [ 384.073761] ? lapic_next_event+0x5a/0x90 [ 384.077906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.083468] ? kvm_clock_read+0x18/0x30 [ 384.087444] ? kvm_sched_clock_read+0x9/0x20 [ 384.091889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.097468] ? check_preemption_disabled+0x48/0x280 [ 384.102492] irq_exit+0x17f/0x1c0 [ 384.105944] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.110785] ? smp_reschedule_interrupt+0x109/0x650 [ 384.115818] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.121701] ? interrupt_entry+0xb5/0xc0 [ 384.125776] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.130790] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.135810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.140656] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.145676] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.150695] ? task_prio+0x50/0x50 [ 384.154245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.159789] ? check_preemption_disabled+0x48/0x280 [ 384.164818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.169669] apic_timer_interrupt+0xf/0x20 [ 384.173895] </IRQ> [ 384.176132] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.181087] 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 ac [ 384.200008] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 384.207719] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.214984] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 384.222255] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 384.229522] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.236837] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 384.244165] skb_clone+0x1bb/0x500 [ 384.247718] ? finish_task_switch+0x1b4/0x910 [ 384.252214] ? skb_split+0x11e0/0x11e0 [ 384.256110] ? preempt_notifier_register+0x200/0x200 [ 384.261210] ? __switch_to_asm+0x34/0x70 [ 384.265279] ? __switch_to_asm+0x34/0x70 [ 384.269337] ? __switch_to_asm+0x40/0x70 [ 384.273398] ? __switch_to_asm+0x34/0x70 [ 384.277465] ? __switch_to_asm+0x40/0x70 [ 384.281525] ? __switch_to_asm+0x34/0x70 [ 384.285582] ? __switch_to_asm+0x40/0x70 [ 384.289653] ? __switch_to_asm+0x34/0x70 [ 384.293712] ? __switch_to_asm+0x34/0x70 [ 384.297781] ? __switch_to_asm+0x40/0x70 [ 384.301860] ? __switch_to_asm+0x34/0x70 [ 384.305926] bpf_clone_redirect+0xb9/0x490 [ 384.310162] ? __schedule+0x8d7/0x21d0 [ 384.314058] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 384.319094] ? __sched_text_start+0x8/0x8 [ 384.323244] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.328015] ? find_held_lock+0x36/0x1c0 [ 384.332085] ? lock_acquire+0x1ed/0x520 [ 384.336065] ? bpf_test_run+0x3cb/0x780 [ 384.340042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.345597] ? check_preemption_disabled+0x48/0x280 [ 384.350637] ? kasan_check_read+0x11/0x20 [ 384.354826] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.360160] ? rcu_softirq_qs+0x20/0x20 [ 384.364165] ? preempt_schedule+0x4d/0x60 [ 384.368323] ? ___preempt_schedule+0x16/0x18 [ 384.372744] ? bpf_test_run+0x25d/0x780 [ 384.376741] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.381153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.386689] ? bpf_test_init.isra.10+0x70/0x100 [ 384.391385] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 384.396175] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.401046] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.406647] ? fput+0x130/0x1a0 [ 384.409950] ? __bpf_prog_get+0x9b/0x290 [ 384.414024] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.418863] ? bpf_prog_test_run+0x130/0x1a0 [ 384.423275] ? __x64_sys_bpf+0x3d8/0x520 [ 384.427335] ? bpf_prog_get+0x20/0x20 [ 384.431158] ? do_syscall_64+0x1b9/0x820 [ 384.435218] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.440588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.445515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.450369] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.455387] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.460442] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.465490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.470339] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.475730] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 384.475796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.482656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.482661] Call Trace: [ 384.482667] <IRQ> [ 384.482687] dump_stack+0x244/0x39d [ 384.482704] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.489278] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.498545] warn_alloc.cold.116+0xb7/0x1bd [ 384.501118] syz-executor2 cpuset=syz2 mems_allowed=0 [ 384.503272] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.536830] ? lock_downgrade+0x900/0x900 [ 384.540999] ? trace_hardirqs_off+0xb8/0x310 [ 384.545436] ? trace_hardirqs_off+0xb8/0x310 [ 384.549887] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.554772] ? warn_alloc+0x120/0x120 [ 384.558579] ? print_usage_bug+0xc0/0xc0 [ 384.562645] ? warn_alloc+0x120/0x120 [ 384.566478] ? warn_alloc+0x120/0x120 [ 384.570288] ? print_usage_bug+0xc0/0xc0 [ 384.574356] ? print_usage_bug+0xc0/0xc0 [ 384.578423] ? __lock_acquire+0x62f/0x4c20 [ 384.582675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.588215] ? should_fail+0x22d/0xd01 [ 384.592137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.597260] ? __lock_acquire+0x62f/0x4c20 [ 384.601505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.606609] ? __lock_acquire+0x62f/0x4c20 [ 384.610850] ? should_fail+0x22d/0xd01 [ 384.614758] ? mark_held_locks+0x130/0x130 [ 384.619005] ? mark_held_locks+0x130/0x130 [ 384.623242] ? zap_class+0x640/0x640 [ 384.627016] ? zap_class+0x640/0x640 [ 384.630742] ? print_usage_bug+0xc0/0xc0 [ 384.634806] ? wq_watchdog_touch+0x9c/0xfe [ 384.639050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.644593] ? check_preemption_disabled+0x48/0x280 [ 384.649623] ? __lock_is_held+0xb5/0x140 [ 384.653697] __alloc_pages_nodemask+0xa80/0xde0 [ 384.658375] ? zap_class+0x640/0x640 [ 384.662102] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.667135] ? find_held_lock+0x36/0x1c0 [ 384.671211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.675884] ? lock_downgrade+0x900/0x900 [ 384.680052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.685616] cache_grow_begin+0xa5/0x8c0 [ 384.689687] ? do_raw_spin_unlock+0xa7/0x330 [ 384.694108] fallback_alloc+0x204/0x2e0 [ 384.698093] ____cache_alloc_node+0x1c7/0x1e0 [ 384.702595] kmem_cache_alloc_node+0xe3/0x730 [ 384.707095] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.711341] __alloc_skb+0x119/0x770 [ 384.715058] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.720340] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.724756] ? lock_downgrade+0x900/0x900 [ 384.728921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.734471] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.739931] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.745385] ? addrconf_rs_timer+0x690/0x690 [ 384.749826] ndisc_alloc_skb+0x144/0x340 [ 384.753890] ndisc_send_rs+0x331/0x6e0 [ 384.757786] addrconf_rs_timer+0x314/0x690 [ 384.762026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.766270] call_timer_fn+0x272/0x920 [ 384.770159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.774401] ? process_timeout+0x40/0x40 [ 384.778480] ? mark_held_locks+0xc7/0x130 [ 384.782636] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.787232] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.791732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.795979] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.800560] ? trace_hardirqs_on+0xbd/0x310 [ 384.804882] ? kasan_check_read+0x11/0x20 [ 384.809030] ? __run_timers+0x7da/0xc70 [ 384.813006] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.818145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.822398] __run_timers+0x7e5/0xc70 [ 384.826212] ? timer_fixup_init+0x70/0x70 [ 384.830367] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.835418] ? zap_class+0x640/0x640 [ 384.839145] ? print_usage_bug+0xc0/0xc0 [ 384.843209] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.848403] ? find_held_lock+0x36/0x1c0 [ 384.852475] ? zap_class+0x640/0x640 [ 384.856197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.861748] ? check_preemption_disabled+0x48/0x280 [ 384.866775] ? __lock_is_held+0xb5/0x140 [ 384.870850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.876396] ? check_preemption_disabled+0x48/0x280 [ 384.881421] run_timer_softirq+0x52/0xb0 [ 384.885494] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.890515] __do_softirq+0x308/0xb7e [ 384.894353] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.898867] ? lock_downgrade+0x900/0x900 [ 384.903022] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.908137] ? pvclock_read_flags+0x160/0x160 [ 384.912645] ? lapic_next_event+0x5a/0x90 [ 384.916802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.922350] ? kvm_clock_read+0x18/0x30 [ 384.926329] ? kvm_sched_clock_read+0x9/0x20 [ 384.930750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.936293] ? check_preemption_disabled+0x48/0x280 [ 384.941328] irq_exit+0x17f/0x1c0 [ 384.944793] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.949640] ? smp_reschedule_interrupt+0x109/0x650 [ 384.954662] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.960556] ? interrupt_entry+0xb5/0xc0 [ 384.964622] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.969645] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.974669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.979523] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.984546] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.989569] ? task_prio+0x50/0x50 [ 384.993116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.998670] ? check_preemption_disabled+0x48/0x280 [ 385.003700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.008580] apic_timer_interrupt+0xf/0x20 [ 385.012809] </IRQ> [ 385.015055] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 385.020249] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 385.039164] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.046878] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 385.054152] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 385.061427] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 385.068705] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 385.075986] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 385.083296] retint_kernel+0x1b/0x2d [ 385.087015] RIP: 0010:dump_stack+0x358/0x39d [ 385.091430] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 385.110345] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 385.118058] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 385.125347] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 385.132634] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 385.139925] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 385.147212] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 385.154512] ? dump_stack+0x34f/0x39d [ 385.158343] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.163543] ? mark_held_locks+0x130/0x130 [ 385.167795] ? mark_held_locks+0x130/0x130 [ 385.172034] dump_header+0x27b/0xf72 [ 385.175777] ? pagefault_out_of_memory+0x197/0x197 [ 385.180720] ? __lock_acquire+0x62f/0x4c20 [ 385.184995] ? percpu_ref_get_many+0x240/0x240 [ 385.189602] ? print_usage_bug+0xc0/0xc0 [ 385.193672] ? zap_class+0x640/0x640 [ 385.197390] ? print_usage_bug+0xc0/0xc0 [ 385.201462] ? print_usage_bug+0xc0/0xc0 [ 385.205528] ? zap_class+0x640/0x640 [ 385.209261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.214803] ? find_held_lock+0x36/0x1c0 [ 385.218901] ? mark_held_locks+0xc7/0x130 [ 385.223057] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.228165] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.233274] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.237859] ? trace_hardirqs_on+0xbd/0x310 [ 385.242182] ? kasan_check_read+0x11/0x20 [ 385.246345] ? ___ratelimit+0x3b4/0x672 [ 385.250325] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.255431] ? trace_hardirqs_on+0x310/0x310 [ 385.259891] ? lock_downgrade+0x900/0x900 [ 385.264056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.269210] ? ___ratelimit+0x3b9/0x672 [ 385.273194] ? idr_get_free+0xf70/0xf70 [ 385.277180] ? find_held_lock+0x36/0x1c0 [ 385.281267] oom_kill_process.cold.27+0x10/0x903 [ 385.286029] ? zap_class+0x640/0x640 [ 385.289749] ? check_preemption_disabled+0x48/0x280 [ 385.294774] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.299708] ? kasan_check_read+0x11/0x20 [ 385.303881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.309184] ? oom_evaluate_task+0x540/0x540 [ 385.313609] ? find_held_lock+0x36/0x1c0 [ 385.317691] ? out_of_memory+0x974/0x1430 [ 385.321850] ? lock_downgrade+0x900/0x900 [ 385.326007] ? check_preemption_disabled+0x48/0x280 [ 385.331047] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.335985] ? kasan_check_read+0x11/0x20 [ 385.340140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.345421] ? rcu_softirq_qs+0x20/0x20 [ 385.349412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.354952] ? oom_evaluate_task+0x302/0x540 [ 385.359366] out_of_memory+0xa84/0x1430 [ 385.363349] ? oom_killer_disable+0x3a0/0x3a0 [ 385.367855] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 385.372801] ? __ww_mutex_check_waiters+0x160/0x160 [ 385.377851] __alloc_pages_slowpath+0x2354/0x2e10 [ 385.382737] ? warn_alloc+0x120/0x120 [ 385.386537] ? mark_held_locks+0x130/0x130 [ 385.390780] ? find_get_entry+0xaae/0x1120 [ 385.395025] ? filemap_map_pages+0x1a20/0x1a20 [ 385.399632] ? zap_class+0x640/0x640 [ 385.403350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.408892] ? check_preemption_disabled+0x48/0x280 [ 385.413922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.419480] ? should_fail+0x22d/0xd01 [ 385.423372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.428488] ? zap_class+0x640/0x640 [ 385.432238] ? __lock_is_held+0xb5/0x140 [ 385.436316] ? mark_held_locks+0x130/0x130 [ 385.440557] ? lock_release+0xa00/0xa00 [ 385.444563] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.450030] ? xa_load+0x2ba/0x460 [ 385.453602] ? lock_downgrade+0x900/0x900 [ 385.457757] ? __might_sleep+0x95/0x190 [ 385.461757] __alloc_pages_nodemask+0xa80/0xde0 [ 385.466432] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.471459] ? __page_cache_alloc+0x191/0x5c0 [ 385.475966] ? xa_load+0x2e1/0x460 [ 385.479509] ? xa_clear_mark+0x40/0x40 [ 385.483396] ? zap_class+0x640/0x640 [ 385.487128] ? zap_class+0x640/0x640 [ 385.490847] ? zap_class+0x640/0x640 [ 385.494618] ? __do_page_cache_readahead+0x663/0x810 [ 385.499727] ? find_held_lock+0x36/0x1c0 [ 385.503806] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.509348] alloc_pages_current+0x173/0x350 [ 385.513766] __page_cache_alloc+0x38c/0x5c0 [ 385.518101] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.523043] ? kasan_check_read+0x11/0x20 [ 385.527188] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.532472] ? generic_perform_write+0x6a0/0x6a0 [ 385.537234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.542792] ? check_preemption_disabled+0x48/0x280 [ 385.547840] filemap_fault+0x1595/0x25f0 [ 385.551914] ? __lock_page_or_retry+0xa00/0xa00 [ 385.556586] ? mark_held_locks+0x130/0x130 [ 385.560828] ? filemap_map_pages+0xd6b/0x1a20 [ 385.565345] ? lock_downgrade+0x900/0x900 [ 385.569496] ? check_preemption_disabled+0x48/0x280 [ 385.574529] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.579467] ? kasan_check_read+0x11/0x20 [ 385.583621] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.588911] ? rcu_softirq_qs+0x20/0x20 [ 385.593141] ? filemap_map_pages+0xd92/0x1a20 [ 385.597671] ? print_usage_bug+0xc0/0xc0 [ 385.601742] ? find_get_entries_tag+0x1400/0x1400 [ 385.606585] ? __kasan_slab_free+0x102/0x150 [ 385.611006] ? kasan_slab_free+0xe/0x10 [ 385.615055] ? kmem_cache_free+0x83/0x290 [ 385.619221] ? __sigqueue_free.part.29+0x74/0x90 [ 385.624032] ? lock_acquire+0x1ed/0x520 [ 385.628001] ? ext4_filemap_fault+0x7a/0xad [ 385.632327] ? lock_release+0xa00/0xa00 [ 385.636297] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.641748] ? print_usage_bug+0xc0/0xc0 [ 385.645811] ? print_usage_bug+0xc0/0xc0 [ 385.649886] ? down_read+0x8d/0x120 [ 385.653517] ? ext4_filemap_fault+0x7a/0xad [ 385.657839] ? __down_interruptible+0x700/0x700 [ 385.662534] ext4_filemap_fault+0x82/0xad [ 385.666686] __do_fault+0x100/0x6b0 [ 385.670317] ? pmd_devmap_trans_unstable+0x220/0x220 [ 385.675420] ? mark_held_locks+0x130/0x130 [ 385.679671] ? mark_held_locks+0x130/0x130 [ 385.683926] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.689495] ? rcu_pm_notify+0xc0/0xc0 [ 385.693446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.699036] __handle_mm_fault+0x3ea0/0x5be0 [ 385.703483] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 385.708362] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.712882] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.717508] ? trace_hardirqs_on+0xbd/0x310 [ 385.721955] ? kasan_check_read+0x11/0x20 [ 385.726103] ? __set_current_blocked+0xdf/0x120 [ 385.730780] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.735924] ? zap_class+0x640/0x640 [ 385.739642] ? zap_class+0x640/0x640 [ 385.743365] ? find_held_lock+0x36/0x1c0 [ 385.747444] ? handle_mm_fault+0x42a/0xc70 [ 385.751701] ? lock_downgrade+0x900/0x900 [ 385.755846] ? check_preemption_disabled+0x48/0x280 [ 385.760867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.765818] ? kasan_check_read+0x11/0x20 [ 385.769984] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.775267] ? rcu_softirq_qs+0x20/0x20 [ 385.779244] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.784355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.789894] ? check_preemption_disabled+0x48/0x280 [ 385.794945] handle_mm_fault+0x54f/0xc70 [ 385.799012] ? __handle_mm_fault+0x5be0/0x5be0 [ 385.803613] ? find_vma+0x34/0x190 [ 385.807161] __do_page_fault+0x5e8/0xe60 [ 385.811227] ? exit_to_usermode_loop+0x1f4/0x380 [ 385.816013] do_page_fault+0xf2/0x7e0 [ 385.819822] ? vmalloc_sync_all+0x30/0x30 [ 385.823971] ? error_entry+0x70/0xd0 [ 385.827704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.832737] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.837685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.842622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.847477] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.852498] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.857955] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.862978] ? page_fault+0x8/0x30 [ 385.866525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.871370] ? page_fault+0x8/0x30 [ 385.874912] page_fault+0x1e/0x30 [ 385.878377] RIP: 0033:0x45db60 [ 385.881607] Code: Bad RIP value. [ 385.884978] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 385.890355] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 385.897620] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 385.904886] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 385.912155] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 385.919426] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 385.926788] warn_alloc_show_mem: 1 callbacks suppressed [ 385.926800] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 385.926802] Mem-Info: [ 385.926834] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 385.926834] active_file:10 inactive_file:13 isolated_file:0 [ 385.926834] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.926834] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 385.926834] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 385.926834] free:13762 free_pcp:404 free_cma:0 [ 385.932181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.939467] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.941864] Call Trace: [ 385.974651] 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 [ 385.984010] <IRQ> [ 386.011327] lowmem_reserve[]: 0 2818 6321 6321 [ 386.013934] dump_stack+0x244/0x39d [ 386.040048] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 386.042228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.046784] lowmem_reserve[]: 0 0 3503 3503 [ 386.050420] warn_alloc.cold.116+0xb7/0x1bd [ 386.077900] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 386.083112] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.087399] lowmem_reserve[]: 0 0 0 0 [ 386.091721] ? lock_downgrade+0x900/0x900 [ 386.120682] 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 [ 386.125533] ? trace_hardirqs_off+0xb8/0x310 [ 386.129295] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 386.133440] ? trace_hardirqs_off+0xb8/0x310 [ 386.146949] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 386.151378] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.166793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.171232] ? warn_alloc+0x120/0x120 [ 386.185243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.190087] ? print_usage_bug+0xc0/0xc0 [ 386.198898] 267 total pagecache pages [ 386.202699] ? warn_alloc+0x120/0x120 [ 386.211255] 0 pages in swap cache [ 386.215318] ? warn_alloc+0x120/0x120 [ 386.219089] Swap cache stats: add 0, delete 0, find 0/0 [ 386.222879] ? print_usage_bug+0xc0/0xc0 [ 386.226303] Free swap = 0kB [ 386.230095] ? kvm_clock_read+0x18/0x30 [ 386.235427] Total swap = 0kB [ 386.235435] 1965979 pages RAM [ 386.239500] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.242519] 0 pages HighMem/MovableOnly [ 386.246491] ? print_usage_bug+0xc0/0xc0 [ 386.249499] 342853 pages reserved [ 386.252598] ? __lock_acquire+0x62f/0x4c20 [ 386.257590] 0 pages cma reserved [ 386.261575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.265664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.269053] ? should_fail+0x22d/0xd01 [ 386.269065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.269086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.273359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.276660] ? __lock_acquire+0x62f/0x4c20 [ 386.282168] syz-fuzzer cpuset=/ mems_allowed=0 [ 386.288661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.327003] ? __lock_acquire+0x62f/0x4c20 [ 386.331250] ? should_fail+0x22d/0xd01 [ 386.335150] ? rcu_irq_exit+0x1a2/0x390 [ 386.339140] ? mark_held_locks+0x130/0x130 [ 386.343391] ? mark_held_locks+0x130/0x130 [ 386.347634] ? mark_held_locks+0xc7/0x130 [ 386.351800] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.356853] ? zap_class+0x640/0x640 [ 386.360597] ? print_usage_bug+0xc0/0xc0 [ 386.364667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.370217] ? check_preemption_disabled+0x48/0x280 [ 386.375259] ? __lock_is_held+0xb5/0x140 [ 386.379343] __alloc_pages_nodemask+0xa80/0xde0 [ 386.384012] ? zap_class+0x640/0x640 [ 386.387748] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.392782] ? find_held_lock+0x36/0x1c0 [ 386.396851] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.401560] ? lock_downgrade+0x900/0x900 [ 386.405725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.411270] cache_grow_begin+0xa5/0x8c0 [ 386.415336] ? do_raw_spin_unlock+0xa7/0x330 [ 386.419756] fallback_alloc+0x204/0x2e0 [ 386.423738] ____cache_alloc_node+0x1c7/0x1e0 [ 386.428259] kmem_cache_alloc_node+0xe3/0x730 [ 386.432759] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.437003] __alloc_skb+0x119/0x770 [ 386.440716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.446021] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.450432] ? lock_downgrade+0x900/0x900 [ 386.454593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.460129] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.465581] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.471035] ? addrconf_rs_timer+0x690/0x690 [ 386.475477] ndisc_alloc_skb+0x144/0x340 [ 386.479568] ndisc_send_rs+0x331/0x6e0 [ 386.483468] addrconf_rs_timer+0x314/0x690 [ 386.487764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.492009] call_timer_fn+0x272/0x920 [ 386.495897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.500149] ? process_timeout+0x40/0x40 [ 386.504230] ? __run_timers+0x7da/0xc70 [ 386.508219] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.512717] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.517210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.521500] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.526115] ? trace_hardirqs_on+0xbd/0x310 [ 386.530434] ? kasan_check_read+0x11/0x20 [ 386.534602] ? __run_timers+0x7da/0xc70 [ 386.538577] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.543687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.547938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.552176] __run_timers+0x7e5/0xc70 [ 386.555987] ? timer_fixup_init+0x70/0x70 [ 386.560140] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.565160] ? zap_class+0x640/0x640 [ 386.568890] ? enqueue_hrtimer+0x1a5/0x560 [ 386.573126] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.578323] ? find_held_lock+0x36/0x1c0 [ 386.582386] ? zap_class+0x640/0x640 [ 386.586124] ? pvclock_read_flags+0x160/0x160 [ 386.590626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.596167] ? check_preemption_disabled+0x48/0x280 [ 386.601192] ? __lock_is_held+0xb5/0x140 [ 386.605257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.610808] ? check_preemption_disabled+0x48/0x280 [ 386.615829] run_timer_softirq+0x52/0xb0 [ 386.619917] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.624936] __do_softirq+0x308/0xb7e [ 386.628770] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.633293] ? lock_downgrade+0x900/0x900 [ 386.637445] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.642567] ? pvclock_read_flags+0x160/0x160 [ 386.647081] ? lapic_next_event+0x5a/0x90 [ 386.651234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.656777] ? kvm_clock_read+0x18/0x30 [ 386.660748] ? kvm_sched_clock_read+0x9/0x20 [ 386.665180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.670718] ? check_preemption_disabled+0x48/0x280 [ 386.675746] irq_exit+0x17f/0x1c0 [ 386.679203] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.684052] ? smp_reschedule_interrupt+0x109/0x650 [ 386.689112] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.695005] ? interrupt_entry+0xb5/0xc0 [ 386.699082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.704127] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.709180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.714026] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.719056] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.724533] ? task_prio+0x50/0x50 [ 386.728095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.733693] ? check_preemption_disabled+0x48/0x280 [ 386.738714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.743584] apic_timer_interrupt+0xf/0x20 [ 386.747846] </IRQ> [ 386.750108] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.755084] 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 ac [ 386.774014] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.781722] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.789002] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 386.796265] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 386.803553] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.810817] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 386.818163] skb_clone+0x1bb/0x500 [ 386.821708] ? finish_task_switch+0x1b4/0x910 [ 386.826202] ? skb_split+0x11e0/0x11e0 [ 386.830094] ? preempt_notifier_register+0x200/0x200 [ 386.835194] ? __switch_to_asm+0x34/0x70 [ 386.839257] ? __switch_to_asm+0x34/0x70 [ 386.843318] ? __switch_to_asm+0x40/0x70 [ 386.847374] ? __switch_to_asm+0x34/0x70 [ 386.851434] ? __switch_to_asm+0x40/0x70 [ 386.855511] ? __switch_to_asm+0x34/0x70 [ 386.859570] ? __switch_to_asm+0x40/0x70 [ 386.863629] ? __switch_to_asm+0x34/0x70 [ 386.867689] ? __switch_to_asm+0x34/0x70 [ 386.871778] ? __switch_to_asm+0x40/0x70 [ 386.875840] ? __switch_to_asm+0x34/0x70 [ 386.879913] bpf_clone_redirect+0xb9/0x490 [ 386.884153] ? __schedule+0x8d7/0x21d0 [ 386.888045] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 386.893067] ? __sched_text_start+0x8/0x8 [ 386.897227] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.902000] ? find_held_lock+0x36/0x1c0 [ 386.906073] ? lock_acquire+0x1ed/0x520 [ 386.910068] ? bpf_test_run+0x3cb/0x780 [ 386.914046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.919588] ? check_preemption_disabled+0x48/0x280 [ 386.924617] ? kasan_check_read+0x11/0x20 [ 386.928781] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.934059] ? rcu_softirq_qs+0x20/0x20 [ 386.938053] ? preempt_schedule+0x4d/0x60 [ 386.942204] ? ___preempt_schedule+0x16/0x18 [ 386.946628] ? bpf_test_run+0x25d/0x780 [ 386.950629] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.955063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.960635] ? bpf_test_init.isra.10+0x70/0x100 [ 386.965309] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 386.970072] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 386.974923] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.980481] ? fput+0x130/0x1a0 [ 386.983763] ? __bpf_prog_get+0x9b/0x290 [ 386.987847] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 386.992689] ? bpf_prog_test_run+0x130/0x1a0 [ 386.997101] ? __x64_sys_bpf+0x3d8/0x520 [ 387.001160] ? bpf_prog_get+0x20/0x20 [ 387.004981] ? do_syscall_64+0x1b9/0x820 [ 387.009070] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.014438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.019374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.024220] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.029247] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.034270] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.039292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.044154] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.049564] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 387.049598] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 387.056520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.056529] Call Trace: [ 387.062750] rcu: (detected by 1, t=10637 jiffies, g=25617, q=24) [ 387.072116] <IRQ> [ 387.074709] rcu: All QSes seen, last rcu_preempt kthread activity 10298 (4294975853-4294965555), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 387.080956] dump_stack+0x244/0x39d [ 387.083085] syz-executor2 R running task 20504 13037 6054 0x8010000c [ 387.095734] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.099327] Call Trace: [ 387.106512] warn_alloc.cold.116+0xb7/0x1bd [ 387.111673] <IRQ> [ 387.114255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.118560] sched_show_task.cold.84+0x2b6/0x30a [ 387.120690] ? lock_downgrade+0x900/0x900 [ 387.125511] ? can_nice.part.74+0x20/0x20 [ 387.130248] ? trace_hardirqs_off+0xb8/0x310 [ 387.134391] ? vprintk_default+0x28/0x30 [ 387.138525] ? trace_hardirqs_off+0xb8/0x310 [ 387.142914] ? vprintk_func+0x85/0x181 [ 387.146966] __alloc_pages_slowpath+0x26e8/0x2e10 [ 387.151441] ? vprintk_func+0x85/0x181 [ 387.155342] ? warn_alloc+0x120/0x120 [ 387.160147] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 387.164033] ? print_usage_bug+0xc0/0xc0 [ 387.167826] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 387.172566] ? warn_alloc+0x120/0x120 [ 387.176641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.181384] ? warn_alloc+0x120/0x120 [ 387.185174] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 387.190693] ? print_usage_bug+0xc0/0xc0 [ 387.194480] ? print_usage_bug+0xc0/0xc0 [ 387.199744] ? print_usage_bug+0xc0/0xc0 [ 387.203788] ? rcu_qs+0x110/0x110 [ 387.207834] ? __lock_acquire+0x62f/0x4c20 [ 387.211888] ? zap_class+0x640/0x640 [ 387.215342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.219567] ? print_usage_bug+0xc0/0xc0 [ 387.223266] ? should_fail+0x22d/0xd01 [ 387.228790] ? kasan_check_read+0x11/0x20 [ 387.232851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.236726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.240890] ? __lock_acquire+0x62f/0x4c20 [ 387.245983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.251505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.255728] ? do_trace_rcu_torture_read+0x10/0x10 [ 387.261257] ? __lock_acquire+0x62f/0x4c20 [ 387.266347] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 387.271273] ? should_fail+0x22d/0xd01 [ 387.275500] ? __lock_is_held+0xb5/0x140 [ 387.280777] ? find_held_lock+0x36/0x1c0 [ 387.284652] ? __rcu_read_lock+0x50/0x50 [ 387.288731] ? mark_held_locks+0x130/0x130 [ 387.292783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.296832] ? mark_held_locks+0x130/0x130 [ 387.301063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.306582] ? zap_class+0x640/0x640 [ 387.310805] ? check_preemption_disabled+0x48/0x280 [ 387.316322] ? zap_class+0x640/0x640 [ 387.320025] rcu_check_callbacks+0xfd7/0x13f0 [ 387.325022] ? print_usage_bug+0xc0/0xc0 [ 387.329158] ? rcutree_dead_cpu+0x10/0x10 [ 387.333651] ? do_raw_spin_unlock+0xa7/0x330 [ 387.337716] ? lock_downgrade+0x900/0x900 [ 387.341850] ? zap_class+0x640/0x640 [ 387.346259] ? lock_release+0x930/0xa00 [ 387.350396] ? print_usage_bug+0xc0/0xc0 [ 387.354102] ? zap_class+0x640/0x640 [ 387.358055] ? wq_watchdog_touch+0x9c/0xfe [ 387.362128] ? mark_held_locks+0x130/0x130 [ 387.365849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.370097] ? zap_class+0x640/0x640 [ 387.374334] ? check_preemption_disabled+0x48/0x280 [ 387.379852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.383552] ? __lock_is_held+0xb5/0x140 [ 387.388554] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 387.394076] __alloc_pages_nodemask+0xa80/0xde0 [ 387.398115] ? kvm_set_tsc_khz+0x540/0x540 [ 387.402678] ? zap_class+0x640/0x640 [ 387.407325] ? warn_alloc.cold.116+0xd1/0x1bd [ 387.411540] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.415239] ? find_held_lock+0x36/0x1c0 [ 387.419767] ? find_held_lock+0x36/0x1c0 [ 387.424783] ? zap_class+0x640/0x640 [ 387.428834] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.432870] ? timekeeping_advance+0x3cc/0xc00 [ 387.436568] ? lock_downgrade+0x900/0x900 [ 387.441221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.445816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.449947] ? check_preemption_disabled+0x48/0x280 [ 387.455474] cache_grow_begin+0xa5/0x8c0 [ 387.461026] ? trace_hardirqs_off+0xb8/0x310 [ 387.466019] ? do_raw_spin_unlock+0xa7/0x330 [ 387.470081] ? __lock_is_held+0xb5/0x140 [ 387.474487] fallback_alloc+0x204/0x2e0 [ 387.478879] ? trace_hardirqs_on+0x310/0x310 [ 387.482939] ____cache_alloc_node+0x1c7/0x1e0 [ 387.486912] ? check_preemption_disabled+0x48/0x280 [ 387.491303] kmem_cache_alloc_node+0xe3/0x730 [ 387.495790] ? raise_softirq+0x199/0x420 [ 387.500800] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.505276] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 387.509333] __alloc_skb+0x119/0x770 [ 387.513542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.518202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.521901] ? check_preemption_disabled+0x48/0x280 [ 387.527423] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.532686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.537687] ? lock_downgrade+0x900/0x900 [ 387.542076] ? hrtimer_run_queues+0x9a/0x400 [ 387.547598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.551745] ? run_local_timers+0x19b/0x230 [ 387.556138] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.561653] ? timer_clear_idle+0x90/0x90 [ 387.565976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.571424] ? debug_smp_processor_id+0x1c/0x20 [ 387.575555] ? addrconf_rs_timer+0x690/0x690 [ 387.580996] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 387.585650] ndisc_alloc_skb+0x144/0x340 [ 387.590038] ? account_process_tick+0x282/0x350 [ 387.596251] ndisc_send_rs+0x331/0x6e0 [ 387.600304] update_process_times+0x2d/0x70 [ 387.604967] addrconf_rs_timer+0x314/0x690 [ 387.608846] tick_sched_handle+0x9f/0x180 [ 387.613150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.617362] tick_sched_timer+0x45/0x130 [ 387.621500] call_timer_fn+0x272/0x920 [ 387.625717] __hrtimer_run_queues+0x41c/0x10d0 [ 387.629767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.633644] ? tick_sched_do_timer+0x1a0/0x1a0 [ 387.638204] ? process_timeout+0x40/0x40 [ 387.642431] ? hrtimer_start_range_ns+0xe00/0xe00 [ 387.647002] ? mark_held_locks+0xc7/0x130 [ 387.651046] ? pvclock_read_flags+0x160/0x160 [ 387.655866] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.659999] ? trace_hardirqs_on+0x310/0x310 [ 387.664484] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.668969] ? kvm_clock_read+0x18/0x30 [ 387.673371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.677859] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.681816] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.686034] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 387.691034] ? trace_hardirqs_on+0xbd/0x310 [ 387.695604] ? do_timer+0x50/0x50 [ 387.700976] ? kasan_check_read+0x11/0x20 [ 387.705282] ? rwlock_bug.part.2+0x90/0x90 [ 387.708719] ? __run_timers+0x7da/0xc70 [ 387.712856] ? trace_hardirqs_on+0x310/0x310 [ 387.717078] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.721050] ? rcu_softirq_qs+0x20/0x20 [ 387.725556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.730669] hrtimer_interrupt+0x313/0x780 [ 387.734622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.738856] smp_apic_timer_interrupt+0x1a1/0x760 [ 387.743070] __run_timers+0x7e5/0xc70 [ 387.747307] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.752136] ? timer_fixup_init+0x70/0x70 [ 387.755961] ? interrupt_entry+0xb5/0xc0 [ 387.761862] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.765997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.770044] ? zap_class+0x640/0x640 [ 387.775061] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.780065] ? print_usage_bug+0xc0/0xc0 [ 387.783767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.788418] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.792474] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.797302] ? find_held_lock+0x36/0x1c0 [ 387.802489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.807489] ? zap_class+0x640/0x640 [ 387.811558] apic_timer_interrupt+0xf/0x20 [ 387.816398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.820097] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 387.824324] ? check_preemption_disabled+0x48/0x280 [ 387.829845] 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 ac [ 387.835223] ? __lock_is_held+0xb5/0x140 [ 387.840217] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 387.859134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.863184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10032a899a1 [ 387.870903] ? check_preemption_disabled+0x48/0x280 [ 387.876418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 387.883698] run_timer_softirq+0x52/0xb0 [ 387.888693] RBP: ffff8801daf074c0 R08: ffff88019544cd08 R09: 0000000000000002 [ 387.895967] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.900006] R10: 0000000000000000 R11: ffff88019544c440 R12: ffff8801d9beec00 [ 387.907275] __do_softirq+0x308/0xb7e [ 387.912273] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 387.919543] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.923328] ? apic_timer_interrupt+0xa/0x20 [ 387.930590] ? lock_downgrade+0x900/0x900 [ 387.930610] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.935155] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.939549] ? pvclock_read_flags+0x160/0x160 [ 387.943689] __alloc_skb+0x119/0x770 [ 387.948772] ? lapic_next_event+0x5a/0x90 [ 387.952994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.957494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.961194] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.965325] ? kvm_clock_read+0x18/0x30 [ 387.970582] ? lock_downgrade+0x900/0x900 [ 387.976122] ? kvm_sched_clock_read+0x9/0x20 [ 387.980546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.984503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.988634] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.993037] ? check_preemption_disabled+0x48/0x280 [ 387.998695] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.004225] irq_exit+0x17f/0x1c0 [ 388.009663] ? addrconf_rs_timer+0x690/0x690 [ 388.014679] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.020128] ndisc_alloc_skb+0x144/0x340 [ 388.023560] ? smp_reschedule_interrupt+0x109/0x650 [ 388.028004] ndisc_send_rs+0x331/0x6e0 [ 388.032845] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.036902] addrconf_rs_timer+0x314/0x690 [ 388.041900] ? interrupt_entry+0xb5/0xc0 [ 388.045786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.051652] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.055888] call_timer_fn+0x272/0x920 [ 388.059924] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.064142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.069169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.073033] ? process_timeout+0x40/0x40 [ 388.078032] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.082260] ? __run_timers+0x7da/0xc70 [ 388.087083] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.091125] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.096129] ? task_prio+0x50/0x50 [ 388.100089] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.105098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.109587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.113139] ? check_preemption_disabled+0x48/0x280 [ 388.117628] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.123146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.127370] ? trace_hardirqs_on+0xbd/0x310 [ 388.132369] apic_timer_interrupt+0xf/0x20 [ 388.136931] ? kasan_check_read+0x11/0x20 [ 388.141743] </IRQ> [ 388.146047] ? __run_timers+0x7da/0xc70 [ 388.150269] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 388.154397] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.156634] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 388.160592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.165751] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.170875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.189784] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 388.189797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 388.194031] __run_timers+0x7e5/0xc70 [ 388.201716] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 388.205967] ? timer_fixup_init+0x70/0x70 [ 388.213211] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 388.220497] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.224270] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 388.231539] ? zap_class+0x640/0x640 [ 388.235701] retint_kernel+0x1b/0x2d [ 388.242950] ? enqueue_hrtimer+0x1a5/0x560 [ 388.247969] RIP: 0010:dump_stack+0x358/0x39d [ 388.255287] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.258985] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 388.262690] ? find_held_lock+0x36/0x1c0 [ 388.266897] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 388.271320] ? zap_class+0x640/0x640 [ 388.276490] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 388.295402] ? pvclock_read_flags+0x160/0x160 [ 388.299442] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 388.307193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.310889] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 388.318160] ? check_preemption_disabled+0x48/0x280 [ 388.322644] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 388.329916] ? __lock_is_held+0xb5/0x140 [ 388.335423] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 388.342690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.347696] ? dump_stack+0x34f/0x39d [ 388.354945] ? check_preemption_disabled+0x48/0x280 [ 388.358995] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.366263] run_timer_softirq+0x52/0xb0 [ 388.371786] ? mark_held_locks+0x130/0x130 [ 388.375603] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.380597] ? mark_held_locks+0x130/0x130 [ 388.385769] __do_softirq+0x308/0xb7e [ 388.389822] dump_header+0x27b/0xf72 [ 388.394041] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.399074] ? pagefault_out_of_memory+0x197/0x197 [ 388.403298] ? lock_downgrade+0x900/0x900 [ 388.407087] ? __lock_acquire+0x62f/0x4c20 [ 388.410783] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.415264] ? percpu_ref_get_many+0x240/0x240 [ 388.420175] ? pvclock_read_flags+0x160/0x160 [ 388.424312] ? print_usage_bug+0xc0/0xc0 [ 388.428531] ? lapic_next_event+0x5a/0x90 [ 388.433615] ? zap_class+0x640/0x640 [ 388.438189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.442666] ? print_usage_bug+0xc0/0xc0 [ 388.446728] ? kvm_clock_read+0x18/0x30 [ 388.450886] ? print_usage_bug+0xc0/0xc0 [ 388.454589] ? kvm_sched_clock_read+0x9/0x20 [ 388.460104] ? zap_class+0x640/0x640 [ 388.464222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.468188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.472237] ? check_preemption_disabled+0x48/0x280 [ 388.476623] ? find_held_lock+0x36/0x1c0 [ 388.480324] irq_exit+0x17f/0x1c0 [ 388.485839] ? mark_held_locks+0xc7/0x130 [ 388.491351] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.496359] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.500404] ? smp_reschedule_interrupt+0x109/0x650 [ 388.503839] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.507970] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.512794] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.517899] ? interrupt_entry+0xb5/0xc0 [ 388.522942] ? trace_hardirqs_on+0xbd/0x310 [ 388.528046] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.533917] ? kasan_check_read+0x11/0x20 [ 388.538506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.542577] ? ___ratelimit+0x3b4/0x672 [ 388.546889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.551886] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.556015] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.561015] ? trace_hardirqs_on+0x310/0x310 [ 388.564986] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.569811] ? lock_downgrade+0x900/0x900 [ 388.574897] ? task_prio+0x50/0x50 [ 388.579899] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.584290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.589286] ? ___ratelimit+0x3b9/0x672 [ 388.593421] ? check_preemption_disabled+0x48/0x280 [ 388.596981] ? idr_get_free+0xf70/0xf70 [ 388.602071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.607598] ? find_held_lock+0x36/0x1c0 [ 388.611579] apic_timer_interrupt+0xf/0x20 [ 388.616592] oom_kill_process.cold.27+0x10/0x903 [ 388.620563] </IRQ> [ 388.625410] ? zap_class+0x640/0x640 [ 388.629488] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.633710] ? check_preemption_disabled+0x48/0x280 [ 388.638445] 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 ac [ 388.640675] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.644368] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.649285] ? kasan_check_read+0x11/0x20 [ 388.654279] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.673169] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.678079] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 388.685771] ? oom_evaluate_task+0x540/0x540 [ 388.689899] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 388.697162] ? find_held_lock+0x36/0x1c0 [ 388.702414] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 388.709675] ? out_of_memory+0x974/0x1430 [ 388.714059] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 388.721321] ? lock_downgrade+0x900/0x900 [ 388.725396] skb_clone+0x1bb/0x500 [ 388.732627] ? check_preemption_disabled+0x48/0x280 [ 388.736762] ? finish_task_switch+0x1b4/0x910 [ 388.744019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.748153] ? skb_split+0x11e0/0x11e0 [ 388.751676] ? kasan_check_read+0x11/0x20 [ 388.756690] ? preempt_notifier_register+0x200/0x200 [ 388.761167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.766082] ? __switch_to_asm+0x34/0x70 [ 388.769983] ? rcu_softirq_qs+0x20/0x20 [ 388.774119] ? __switch_to_asm+0x34/0x70 [ 388.779213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.784486] ? __switch_to_asm+0x40/0x70 [ 388.788545] ? oom_evaluate_task+0x302/0x540 [ 388.792504] ? __switch_to_asm+0x34/0x70 [ 388.796553] out_of_memory+0xa84/0x1430 [ 388.802086] ? __switch_to_asm+0x40/0x70 [ 388.806145] ? oom_killer_disable+0x3a0/0x3a0 [ 388.810534] ? __switch_to_asm+0x34/0x70 [ 388.814581] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 388.818538] ? __switch_to_asm+0x40/0x70 [ 388.822600] ? __ww_mutex_check_waiters+0x160/0x160 [ 388.827080] ? __switch_to_asm+0x34/0x70 [ 388.831140] __alloc_pages_slowpath+0x2354/0x2e10 [ 388.836044] ? __switch_to_asm+0x34/0x70 [ 388.840118] ? warn_alloc+0x120/0x120 [ 388.845095] ? __switch_to_asm+0x40/0x70 [ 388.849151] ? mark_held_locks+0x130/0x130 [ 388.854005] ? __switch_to_asm+0x34/0x70 [ 388.858059] ? find_get_entry+0xaae/0x1120 [ 388.861844] bpf_clone_redirect+0xb9/0x490 [ 388.865900] ? filemap_map_pages+0x1a20/0x1a20 [ 388.870121] ? __schedule+0x8d7/0x21d0 [ 388.874168] ? zap_class+0x640/0x640 [ 388.878386] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 388.882604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.887180] ? __sched_text_start+0x8/0x8 [ 388.891050] ? check_preemption_disabled+0x48/0x280 [ 388.894779] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.899802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.905329] ? find_held_lock+0x36/0x1c0 [ 388.909462] ? should_fail+0x22d/0xd01 [ 388.914474] ? lock_acquire+0x1ed/0x520 [ 388.919212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.924734] ? bpf_test_run+0x3cb/0x780 [ 388.928830] ? zap_class+0x640/0x640 [ 388.932706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.936678] ? __lock_is_held+0xb5/0x140 [ 388.941750] ? check_preemption_disabled+0x48/0x280 [ 388.945710] ? mark_held_locks+0x130/0x130 [ 388.949447] ? kasan_check_read+0x11/0x20 [ 388.954984] ? lock_release+0xa00/0xa00 [ 388.959026] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.964022] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.968237] ? rcu_softirq_qs+0x20/0x20 [ 388.972368] ? xa_load+0x2ba/0x460 [ 388.976324] ? preempt_schedule+0x4d/0x60 [ 388.981582] ? lock_downgrade+0x900/0x900 [ 388.987012] ? ___preempt_schedule+0x16/0x18 [ 388.990968] ? __might_sleep+0x95/0x190 [ 388.994513] ? bpf_test_run+0x25d/0x780 [ 388.998637] __alloc_pages_nodemask+0xa80/0xde0 [ 389.002783] ? netlink_diag_dump+0x2a0/0x2a0 [ 389.007172] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.011127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.015083] ? __page_cache_alloc+0x191/0x5c0 [ 389.019732] ? bpf_test_init.isra.10+0x70/0x100 [ 389.024157] ? xa_load+0x2e1/0x460 [ 389.029175] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 389.034697] ? xa_clear_mark+0x40/0x40 [ 389.039189] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.043859] ? zap_class+0x640/0x640 [ 389.047388] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.052126] ? zap_class+0x640/0x640 [ 389.055993] ? fput+0x130/0x1a0 [ 389.060818] ? zap_class+0x640/0x640 [ 389.064527] ? __bpf_prog_get+0x9b/0x290 [ 389.070063] ? __do_page_cache_readahead+0x663/0x810 [ 389.073762] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.077024] ? find_held_lock+0x36/0x1c0 [ 389.080732] ? bpf_prog_test_run+0x130/0x1a0 [ 389.084787] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.089884] ? __x64_sys_bpf+0x3d8/0x520 [ 389.094719] alloc_pages_current+0x173/0x350 [ 389.098778] ? bpf_prog_get+0x20/0x20 [ 389.103174] __page_cache_alloc+0x38c/0x5c0 [ 389.108704] ? do_syscall_64+0x1b9/0x820 [ 389.112737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.117123] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.120901] ? kasan_check_read+0x11/0x20 [ 389.120930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.125274] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.129326] ? generic_perform_write+0x6a0/0x6a0 [ 389.134240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.139582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.143714] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.148982] ? check_preemption_disabled+0x48/0x280 [ 389.153903] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.158641] filemap_fault+0x1595/0x25f0 [ 389.163486] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.169027] ? __lock_page_or_retry+0xa00/0xa00 [ 389.174037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.179035] ? mark_held_locks+0x130/0x130 [ 389.184038] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.188088] ? filemap_map_pages+0xd6b/0x1a20 [ 389.193102] rcu: rcu_preempt kthread starved for 10298 jiffies! g25617 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 389.197765] ? lock_downgrade+0x900/0x900 [ 389.202580] rcu: RCU grace-period kthread stack dump: [ 389.206841] ? check_preemption_disabled+0x48/0x280 [ 389.212204] rcu_preempt R running task 22696 10 2 0x80000000 [ 389.216693] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.227160] Call Trace: [ 389.231309] ? kasan_check_read+0x11/0x20 [ 389.236505] __schedule+0x8cf/0x21d0 [ 389.241498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.248678] ? __sched_text_start+0x8/0x8 [ 389.253589] ? rcu_softirq_qs+0x20/0x20 [ 389.256161] ? add_timer_on+0xa20/0xa20 [ 389.260297] ? filemap_map_pages+0xd92/0x1a20 [ 389.263983] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.269248] ? print_usage_bug+0xc0/0xc0 [ 389.273380] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.277343] ? find_get_entries_tag+0x1400/0x1400 [ 389.281299] ? trace_hardirqs_on+0xbd/0x310 [ 389.285782] ? __kasan_slab_free+0x102/0x150 [ 389.290869] ? kasan_check_read+0x11/0x20 [ 389.294923] ? kasan_slab_free+0xe/0x10 [ 389.300011] ? prepare_to_swait_event+0x25a/0x800 [ 389.304850] ? kmem_cache_free+0x83/0x290 [ 389.309165] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.313572] ? __sigqueue_free.part.29+0x74/0x90 [ 389.317714] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.321706] ? lock_acquire+0x1ed/0x520 [ 389.326528] schedule+0xfe/0x460 [ 389.330659] ? ext4_filemap_fault+0x7a/0xad [ 389.335764] ? __schedule+0x21d0/0x21d0 [ 389.340506] ? lock_release+0xa00/0xa00 [ 389.345597] ? prepare_to_swait_event+0x25a/0x800 [ 389.349555] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.352924] ? __init_swait_queue_head+0x150/0x150 [ 389.357231] ? print_usage_bug+0xc0/0xc0 [ 389.361196] ? __lockdep_init_map+0x105/0x590 [ 389.365182] ? print_usage_bug+0xc0/0xc0 [ 389.370011] ? lockdep_init_map+0x9/0x10 [ 389.375491] ? down_read+0x8d/0x120 [ 389.380405] schedule_timeout+0x140/0x260 [ 389.384447] ? ext4_filemap_fault+0x7a/0xad [ 389.388931] ? usleep_range+0x1a0/0x1a0 [ 389.392992] ? __down_interruptible+0x700/0x700 [ 389.397036] ? __next_timer_interrupt+0x1a0/0x1a0 [ 389.400658] ext4_filemap_fault+0x82/0xad [ 389.404811] rcu_gp_fqs_loop+0x762/0xa80 [ 389.409105] __do_fault+0x100/0x6b0 [ 389.413076] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 389.417732] ? pmd_devmap_trans_unstable+0x220/0x220 [ 389.422569] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.426698] ? mark_held_locks+0x130/0x130 [ 389.430745] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.434354] ? mark_held_locks+0x130/0x130 [ 389.439113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.444203] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.449297] ? rcu_gp_init+0x90b/0x1260 [ 389.453508] ? rcu_pm_notify+0xc0/0xc0 [ 389.458961] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 389.463198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.468720] ? rcu_accelerate_cbs+0x562/0xae0 [ 389.474247] __handle_mm_fault+0x3ea0/0x5be0 [ 389.478256] ? zap_class+0x640/0x640 [ 389.482178] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 389.486942] ? zap_class+0x640/0x640 [ 389.492478] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.497001] ? __lock_is_held+0xb5/0x140 [ 389.501384] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.505083] ? __lock_is_held+0xb5/0x140 [ 389.509909] ? trace_hardirqs_on+0xbd/0x310 [ 389.513607] ? zap_class+0x640/0x640 [ 389.518090] ? kasan_check_read+0x11/0x20 [ 389.522147] ? rcu_accelerate_cbs+0x562/0xae0 [ 389.526713] ? __set_current_blocked+0xdf/0x120 [ 389.530786] ? find_held_lock+0x36/0x1c0 [ 389.535090] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.538805] ? rcu_gp_kthread+0x8cf/0xc70 [ 389.542938] ? zap_class+0x640/0x640 [ 389.547410] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.552063] ? zap_class+0x640/0x640 [ 389.556106] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.561194] ? find_held_lock+0x36/0x1c0 [ 389.565318] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.569015] ? handle_mm_fault+0x42a/0xc70 [ 389.573501] ? trace_hardirqs_on+0xbd/0x310 [ 389.577193] ? lock_downgrade+0x900/0x900 [ 389.581670] ? kasan_check_read+0x11/0x20 [ 389.585710] ? check_preemption_disabled+0x48/0x280 [ 389.590401] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.590410] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.590419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.590432] rcu_gp_kthread+0x341/0xc70 [ 389.590443] ? rcu_gp_init+0x1260/0x1260 [ 389.590460] ? mark_held_locks+0x130/0x130 [ 389.590476] ? __schedule+0x168a/0x21d0 [ 389.590490] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.594715] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.599029] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.603160] ? kasan_check_read+0x11/0x20 [ 389.607315] ? trace_hardirqs_on+0xbd/0x310 [ 389.612334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.617476] ? kasan_check_read+0x11/0x20 [ 389.622906] ? rcu_softirq_qs+0x20/0x20 [ 389.628443] ? __schedule+0x168a/0x21d0 [ 389.633457] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.637504] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.641730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.645681] ? lock_pin_lock+0x350/0x350 [ 389.650180] ? check_preemption_disabled+0x48/0x280 [ 389.655091] ? _raw_spin_unlock_irq+0x60/0x80 [ 389.659656] handle_mm_fault+0x54f/0xc70 [ 389.663785] ? __schedule+0x168a/0x21d0 [ 389.668089] ? __handle_mm_fault+0x5be0/0x5be0 [ 389.673799] ? __switch_to_asm+0x40/0x70 [ 389.677949] ? find_vma+0x34/0x190 [ 389.681906] ? __switch_to_asm+0x40/0x70 [ 389.685866] __do_page_fault+0x5e8/0xe60 [ 389.690984] ? show_schedstat+0x721/0xf30 [ 389.696075] ? exit_to_usermode_loop+0x1f4/0x380 [ 389.701596] ? __sched_text_start+0x8/0x8 [ 389.705640] do_page_fault+0xf2/0x7e0 [ 389.710641] ? find_held_lock+0x36/0x1c0 [ 389.715115] ? vmalloc_sync_all+0x30/0x30 [ 389.719165] ? __kthread_parkme+0xce/0x1a0 [ 389.723218] ? error_entry+0x70/0xd0 [ 389.727805] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.731880] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.735405] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.739460] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.743506] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.747639] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.747655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.752393] ? trace_hardirqs_on+0xbd/0x310 [ 389.756552] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.760338] ? kasan_check_read+0x11/0x20 [ 389.764375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.768513] ? __kthread_parkme+0xce/0x1a0 [ 389.772733] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.776506] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.781611] ? page_fault+0x8/0x30 [ 389.786623] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.791704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.796640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.801239] ? page_fault+0x8/0x30 [ 389.806159] ? __kthread_parkme+0xfb/0x1a0 [ 389.810999] page_fault+0x1e/0x30 [ 389.815307] ? rcu_gp_init+0x1260/0x1260 [ 389.820301] RIP: 0033:0x45db60 [ 389.824442] kthread+0x35a/0x440 [ 389.829884] Code: Bad RIP value. [ 389.834098] ? kthread_stop+0x900/0x900 [ 389.839089] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 389.844186] ret_from_fork+0x3a/0x50 [ 389.847701] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 389.852899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.857607] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 389.857615] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 389.857623] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 389.857632] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 389.857661] warn_alloc_show_mem: 1 callbacks suppressed [ 389.857665] Mem-Info: [ 389.863220] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.866729] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 389.866729] active_file:10 inactive_file:13 isolated_file:0 [ 389.866729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.866729] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 389.866729] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 389.866729] free:13762 free_pcp:404 free_cma:0 [ 389.870921] syz-executor2 cpuset=syz2 mems_allowed=0 [ 389.874374] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.878431] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 389.881600] 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 [ 389.884986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.888328] lowmem_reserve[]: 0 2818 6321 6321 [ 389.892295] Call Trace: [ 389.897644] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 389.901342] <IRQ> [ 389.908600] lowmem_reserve[]: 0 0 3503 3503 [ 389.915090] dump_stack+0x244/0x39d [ 389.922331] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 389.929605] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.936844] lowmem_reserve[]: 0 0 0 0 [ 389.944133] warn_alloc.cold.116+0xb7/0x1bd [ 389.949485] 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 [ 389.951889] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.962377] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 389.995212] ? lock_downgrade+0x900/0x900 [ 390.000322] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 390.027689] ? trace_hardirqs_off+0xb8/0x310 [ 390.034956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.061070] ? trace_hardirqs_off+0xb8/0x310 [ 390.070422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.075013] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.077567] 267 total pagecache pages [ 390.105088] ? warn_alloc+0x120/0x120 [ 390.107242] 0 pages in swap cache [ 390.111552] ? print_usage_bug+0xc0/0xc0 [ 390.115157] Swap cache stats: add 0, delete 0, find 0/0 [ 390.144171] ? warn_alloc+0x120/0x120 [ 390.149334] Free swap = 0kB [ 390.153123] ? warn_alloc+0x120/0x120 [ 390.157432] Total swap = 0kB [ 390.170964] ? print_usage_bug+0xc0/0xc0 [ 390.175781] 1965979 pages RAM [ 390.191208] ? print_usage_bug+0xc0/0xc0 [ 390.195328] 0 pages HighMem/MovableOnly [ 390.209385] ? __lock_acquire+0x62f/0x4c20 [ 390.213769] 342853 pages reserved [ 390.222599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.226983] 0 pages cma reserved [ 390.235555] ? should_fail+0x22d/0xd01 [ 390.240427] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.244172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.248035] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.251400] ? __lock_acquire+0x62f/0x4c20 [ 390.255434] syz-fuzzer cpuset=/ mems_allowed=0 [ 390.260793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.345610] ? __lock_acquire+0x62f/0x4c20 [ 390.349842] ? should_fail+0x22d/0xd01 [ 390.353725] ? find_held_lock+0x36/0x1c0 [ 390.357795] ? mark_held_locks+0x130/0x130 [ 390.362030] ? mark_held_locks+0x130/0x130 [ 390.366261] ? zap_class+0x640/0x640 [ 390.369985] ? zap_class+0x640/0x640 [ 390.373698] ? print_usage_bug+0xc0/0xc0 [ 390.377754] ? do_raw_spin_unlock+0xa7/0x330 [ 390.382169] ? zap_class+0x640/0x640 [ 390.385888] ? print_usage_bug+0xc0/0xc0 [ 390.389965] ? wq_watchdog_touch+0x9c/0xfe [ 390.394198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.399755] ? check_preemption_disabled+0x48/0x280 [ 390.404782] ? __lock_is_held+0xb5/0x140 [ 390.408845] __alloc_pages_nodemask+0xa80/0xde0 [ 390.413513] ? zap_class+0x640/0x640 [ 390.417255] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.422290] ? find_held_lock+0x36/0x1c0 [ 390.426357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.431042] ? lock_downgrade+0x900/0x900 [ 390.435247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.440788] cache_grow_begin+0xa5/0x8c0 [ 390.444847] ? do_raw_spin_unlock+0xa7/0x330 [ 390.449261] fallback_alloc+0x204/0x2e0 [ 390.453239] ____cache_alloc_node+0x1c7/0x1e0 [ 390.457735] kmem_cache_alloc_node+0xe3/0x730 [ 390.462232] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.466493] __alloc_skb+0x119/0x770 [ 390.470210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.475487] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.479892] ? lock_downgrade+0x900/0x900 [ 390.484052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.489583] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.495088] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.500547] ? addrconf_rs_timer+0x690/0x690 [ 390.504987] ndisc_alloc_skb+0x144/0x340 [ 390.509060] ndisc_send_rs+0x331/0x6e0 [ 390.513006] addrconf_rs_timer+0x314/0x690 [ 390.517255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.521492] call_timer_fn+0x272/0x920 [ 390.525370] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.529596] ? process_timeout+0x40/0x40 [ 390.533668] ? __run_timers+0x7da/0xc70 [ 390.537646] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.542135] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.546635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.550866] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.555443] ? trace_hardirqs_on+0xbd/0x310 [ 390.559798] ? kasan_check_read+0x11/0x20 [ 390.563964] ? __run_timers+0x7da/0xc70 [ 390.567975] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.573079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.577312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.581543] __run_timers+0x7e5/0xc70 [ 390.585350] ? timer_fixup_init+0x70/0x70 [ 390.589494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.594519] ? zap_class+0x640/0x640 [ 390.598235] ? enqueue_hrtimer+0x1a5/0x560 [ 390.602505] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.607758] ? find_held_lock+0x36/0x1c0 [ 390.611832] ? zap_class+0x640/0x640 [ 390.615559] ? pvclock_read_flags+0x160/0x160 [ 390.620094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.625635] ? check_preemption_disabled+0x48/0x280 [ 390.630653] ? __lock_is_held+0xb5/0x140 [ 390.634723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.640270] ? check_preemption_disabled+0x48/0x280 [ 390.645287] run_timer_softirq+0x52/0xb0 [ 390.649347] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.654362] __do_softirq+0x308/0xb7e [ 390.658166] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.662659] ? lock_downgrade+0x900/0x900 [ 390.666805] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.671907] ? pvclock_read_flags+0x160/0x160 [ 390.676402] ? lapic_next_event+0x5a/0x90 [ 390.680551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.686126] ? kvm_clock_read+0x18/0x30 [ 390.690097] ? kvm_sched_clock_read+0x9/0x20 [ 390.694509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.700052] ? check_preemption_disabled+0x48/0x280 [ 390.705107] irq_exit+0x17f/0x1c0 [ 390.708566] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.713405] ? smp_reschedule_interrupt+0x109/0x650 [ 390.718423] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.724313] ? interrupt_entry+0xb5/0xc0 [ 390.728378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.733396] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.738413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.743255] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.748266] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.753310] ? task_prio+0x50/0x50 [ 390.756861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.762393] ? check_preemption_disabled+0x48/0x280 [ 390.767412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.772261] apic_timer_interrupt+0xf/0x20 [ 390.776487] </IRQ> [ 390.778720] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.783681] 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 ac [ 390.802632] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.810338] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.817602] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 390.824866] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 390.832164] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.839467] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 390.846811] skb_clone+0x1bb/0x500 [ 390.850350] ? finish_task_switch+0x1b4/0x910 [ 390.854864] ? skb_split+0x11e0/0x11e0 [ 390.858781] ? preempt_notifier_register+0x200/0x200 [ 390.863880] ? __switch_to_asm+0x34/0x70 [ 390.867933] ? __switch_to_asm+0x34/0x70 [ 390.871989] ? __switch_to_asm+0x40/0x70 [ 390.876041] ? __switch_to_asm+0x34/0x70 [ 390.880103] ? __switch_to_asm+0x40/0x70 [ 390.884193] ? __switch_to_asm+0x34/0x70 [ 390.888248] ? __switch_to_asm+0x40/0x70 [ 390.892339] ? __switch_to_asm+0x34/0x70 [ 390.896391] ? __switch_to_asm+0x34/0x70 [ 390.900447] ? __switch_to_asm+0x40/0x70 [ 390.904544] ? __switch_to_asm+0x34/0x70 [ 390.908608] bpf_clone_redirect+0xb9/0x490 [ 390.912840] ? __schedule+0x8d7/0x21d0 [ 390.916733] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 390.921768] ? __sched_text_start+0x8/0x8 [ 390.925914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.930683] ? find_held_lock+0x36/0x1c0 [ 390.934750] ? lock_acquire+0x1ed/0x520 [ 390.938722] ? bpf_test_run+0x3cb/0x780 [ 390.942699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.948254] ? check_preemption_disabled+0x48/0x280 [ 390.953289] ? kasan_check_read+0x11/0x20 [ 390.957433] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.962718] ? rcu_softirq_qs+0x20/0x20 [ 390.966690] ? preempt_schedule+0x4d/0x60 [ 390.970852] ? ___preempt_schedule+0x16/0x18 [ 390.975265] ? bpf_test_run+0x25d/0x780 [ 390.979284] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.983768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.989304] ? bpf_test_init.isra.10+0x70/0x100 [ 390.994001] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 390.998777] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.003621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.009173] ? fput+0x130/0x1a0 [ 391.012449] ? __bpf_prog_get+0x9b/0x290 [ 391.016523] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 391.021376] ? bpf_prog_test_run+0x130/0x1a0 [ 391.025817] ? __x64_sys_bpf+0x3d8/0x520 [ 391.029877] ? bpf_prog_get+0x20/0x20 [ 391.033698] ? do_syscall_64+0x1b9/0x820 [ 391.037761] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.043125] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.048096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.052939] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.057974] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.063007] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.068024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.072874] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.078256] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 391.078336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.085193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.085201] Call Trace: [ 391.091809] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.101036] <IRQ> [ 391.103603] syz-executor2 cpuset=syz2 mems_allowed=0 [ 391.114091] dump_stack+0x244/0x39d [ 391.124955] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.130154] warn_alloc.cold.116+0xb7/0x1bd [ 391.134531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.139377] ? lock_downgrade+0x900/0x900 [ 391.143530] ? trace_hardirqs_off+0xb8/0x310 [ 391.147946] ? trace_hardirqs_off+0xb8/0x310 [ 391.152401] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.157298] ? warn_alloc+0x120/0x120 [ 391.161113] ? print_usage_bug+0xc0/0xc0 [ 391.165174] ? warn_alloc+0x120/0x120 [ 391.169021] ? warn_alloc+0x120/0x120 [ 391.172824] ? print_usage_bug+0xc0/0xc0 [ 391.176884] ? kvm_clock_read+0x18/0x30 [ 391.180857] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.185874] ? print_usage_bug+0xc0/0xc0 [ 391.189934] ? __lock_acquire+0x62f/0x4c20 [ 391.194201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.199739] ? should_fail+0x22d/0xd01 [ 391.203633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.208922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.214050] ? __lock_acquire+0x62f/0x4c20 [ 391.218288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.223399] ? __lock_acquire+0x62f/0x4c20 [ 391.227629] ? should_fail+0x22d/0xd01 [ 391.231527] ? rcu_irq_exit+0x1a2/0x390 [ 391.235507] ? mark_held_locks+0x130/0x130 [ 391.239760] ? mark_held_locks+0x130/0x130 [ 391.244000] ? mark_held_locks+0xc7/0x130 [ 391.248142] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 391.253155] ? zap_class+0x640/0x640 [ 391.256862] ? print_usage_bug+0xc0/0xc0 [ 391.260937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.266491] ? check_preemption_disabled+0x48/0x280 [ 391.271580] ? __lock_is_held+0xb5/0x140 [ 391.275675] __alloc_pages_nodemask+0xa80/0xde0 [ 391.280342] ? zap_class+0x640/0x640 [ 391.284090] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.289123] ? find_held_lock+0x36/0x1c0 [ 391.293233] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.297898] ? lock_downgrade+0x900/0x900 [ 391.302061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.307598] cache_grow_begin+0xa5/0x8c0 [ 391.311683] ? do_raw_spin_unlock+0xa7/0x330 [ 391.316143] fallback_alloc+0x204/0x2e0 [ 391.320118] ____cache_alloc_node+0x1c7/0x1e0 [ 391.324625] kmem_cache_alloc_node+0xe3/0x730 [ 391.329145] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.333391] __alloc_skb+0x119/0x770 [ 391.337102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.342382] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.346823] ? lock_downgrade+0x900/0x900 [ 391.350998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.356538] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.362014] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.367484] ? addrconf_rs_timer+0x690/0x690 [ 391.371905] ndisc_alloc_skb+0x144/0x340 [ 391.375968] ndisc_send_rs+0x331/0x6e0 [ 391.379860] addrconf_rs_timer+0x314/0x690 [ 391.384102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.388362] call_timer_fn+0x272/0x920 [ 391.392249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.396484] ? process_timeout+0x40/0x40 [ 391.400581] ? mark_held_locks+0xc7/0x130 [ 391.404747] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.409272] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.413805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.418053] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.422638] ? trace_hardirqs_on+0xbd/0x310 [ 391.426958] ? kasan_check_read+0x11/0x20 [ 391.431099] ? __run_timers+0x7da/0xc70 [ 391.435082] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.440198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.444430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.448663] __run_timers+0x7e5/0xc70 [ 391.452473] ? timer_fixup_init+0x70/0x70 [ 391.456621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.461627] ? zap_class+0x640/0x640 [ 391.465351] ? print_usage_bug+0xc0/0xc0 [ 391.469407] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.474619] ? find_held_lock+0x36/0x1c0 [ 391.478693] ? zap_class+0x640/0x640 [ 391.482403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.487931] ? check_preemption_disabled+0x48/0x280 [ 391.492991] ? __lock_is_held+0xb5/0x140 [ 391.497095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.502624] ? check_preemption_disabled+0x48/0x280 [ 391.507648] run_timer_softirq+0x52/0xb0 [ 391.511720] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.516782] __do_softirq+0x308/0xb7e [ 391.520604] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.525093] ? lock_downgrade+0x900/0x900 [ 391.529250] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.534360] ? pvclock_read_flags+0x160/0x160 [ 391.538884] ? lapic_next_event+0x5a/0x90 [ 391.543054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.548595] ? kvm_clock_read+0x18/0x30 [ 391.552570] ? kvm_sched_clock_read+0x9/0x20 [ 391.556981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.562523] ? check_preemption_disabled+0x48/0x280 [ 391.567584] irq_exit+0x17f/0x1c0 [ 391.571052] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.575895] ? smp_reschedule_interrupt+0x109/0x650 [ 391.580912] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.586794] ? interrupt_entry+0xb5/0xc0 [ 391.591048] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.596066] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.601099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.605959] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.610978] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.615997] ? task_prio+0x50/0x50 [ 391.619571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.625106] ? check_preemption_disabled+0x48/0x280 [ 391.630142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.634994] apic_timer_interrupt+0xf/0x20 [ 391.639221] </IRQ> [ 391.641470] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 391.646664] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 391.665565] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.673299] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 391.680566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 391.687832] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 391.695134] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 391.702400] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 391.709695] retint_kernel+0x1b/0x2d [ 391.713476] RIP: 0010:dump_stack+0x358/0x39d [ 391.717889] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 391.736902] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 391.744625] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 391.751891] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 391.759162] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 391.766430] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 391.773718] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 391.781023] ? dump_stack+0x34f/0x39d [ 391.784842] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.790038] ? mark_held_locks+0x130/0x130 [ 391.794271] ? mark_held_locks+0x130/0x130 [ 391.798530] dump_header+0x27b/0xf72 [ 391.802266] ? pagefault_out_of_memory+0x197/0x197 [ 391.807204] ? __lock_acquire+0x62f/0x4c20 [ 391.811461] ? percpu_ref_get_many+0x240/0x240 [ 391.816066] ? print_usage_bug+0xc0/0xc0 [ 391.820128] ? zap_class+0x640/0x640 [ 391.823858] ? print_usage_bug+0xc0/0xc0 [ 391.827938] ? print_usage_bug+0xc0/0xc0 [ 391.832029] ? zap_class+0x640/0x640 [ 391.835751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.841300] ? find_held_lock+0x36/0x1c0 [ 391.845376] ? mark_held_locks+0xc7/0x130 [ 391.849539] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.854640] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.859749] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.864337] ? trace_hardirqs_on+0xbd/0x310 [ 391.868660] ? kasan_check_read+0x11/0x20 [ 391.872825] ? ___ratelimit+0x3b4/0x672 [ 391.876797] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.881897] ? trace_hardirqs_on+0x310/0x310 [ 391.886322] ? lock_downgrade+0x900/0x900 [ 391.890480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.895586] ? ___ratelimit+0x3b9/0x672 [ 391.899562] ? idr_get_free+0xf70/0xf70 [ 391.903542] ? find_held_lock+0x36/0x1c0 [ 391.907647] oom_kill_process.cold.27+0x10/0x903 [ 391.912425] ? zap_class+0x640/0x640 [ 391.916151] ? check_preemption_disabled+0x48/0x280 [ 391.921183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.926127] ? kasan_check_read+0x11/0x20 [ 391.930272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.935544] ? oom_evaluate_task+0x540/0x540 [ 391.939951] ? find_held_lock+0x36/0x1c0 [ 391.944019] ? out_of_memory+0x974/0x1430 [ 391.948170] ? lock_downgrade+0x900/0x900 [ 391.952315] ? check_preemption_disabled+0x48/0x280 [ 391.957330] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.962256] ? kasan_check_read+0x11/0x20 [ 391.966413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.971698] ? rcu_softirq_qs+0x20/0x20 [ 391.975677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.981206] ? oom_evaluate_task+0x302/0x540 [ 391.985612] out_of_memory+0xa84/0x1430 [ 391.989589] ? oom_killer_disable+0x3a0/0x3a0 [ 391.994077] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 391.999003] ? __ww_mutex_check_waiters+0x160/0x160 [ 392.004025] __alloc_pages_slowpath+0x2354/0x2e10 [ 392.008888] ? warn_alloc+0x120/0x120 [ 392.012684] ? mark_held_locks+0x130/0x130 [ 392.016921] ? find_get_entry+0xaae/0x1120 [ 392.021211] ? filemap_map_pages+0x1a20/0x1a20 [ 392.025799] ? zap_class+0x640/0x640 [ 392.029517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.035051] ? check_preemption_disabled+0x48/0x280 [ 392.040063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.045596] ? should_fail+0x22d/0xd01 [ 392.049495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.054602] ? zap_class+0x640/0x640 [ 392.058337] ? __lock_is_held+0xb5/0x140 [ 392.062432] ? mark_held_locks+0x130/0x130 [ 392.066673] ? lock_release+0xa00/0xa00 [ 392.070639] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.076100] ? xa_load+0x2ba/0x460 [ 392.079635] ? lock_downgrade+0x900/0x900 [ 392.083782] ? __might_sleep+0x95/0x190 [ 392.087793] __alloc_pages_nodemask+0xa80/0xde0 [ 392.092493] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.097522] ? __page_cache_alloc+0x191/0x5c0 [ 392.102009] ? xa_load+0x2e1/0x460 [ 392.105580] ? xa_clear_mark+0x40/0x40 [ 392.109472] ? zap_class+0x640/0x640 [ 392.113222] ? zap_class+0x640/0x640 [ 392.116946] ? zap_class+0x640/0x640 [ 392.120668] ? __do_page_cache_readahead+0x663/0x810 [ 392.125769] ? find_held_lock+0x36/0x1c0 [ 392.129827] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.135370] alloc_pages_current+0x173/0x350 [ 392.139781] __page_cache_alloc+0x38c/0x5c0 [ 392.144122] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.149072] ? kasan_check_read+0x11/0x20 [ 392.153214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.158512] ? generic_perform_write+0x6a0/0x6a0 [ 392.163269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.168818] ? check_preemption_disabled+0x48/0x280 [ 392.173835] filemap_fault+0x1595/0x25f0 [ 392.177922] ? __lock_page_or_retry+0xa00/0xa00 [ 392.182591] ? mark_held_locks+0x130/0x130 [ 392.186831] ? filemap_map_pages+0xd6b/0x1a20 [ 392.191327] ? lock_downgrade+0x900/0x900 [ 392.195474] ? check_preemption_disabled+0x48/0x280 [ 392.200501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.205425] ? kasan_check_read+0x11/0x20 [ 392.209577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.214852] ? rcu_softirq_qs+0x20/0x20 [ 392.218849] ? filemap_map_pages+0xd92/0x1a20 [ 392.223360] ? print_usage_bug+0xc0/0xc0 [ 392.227421] ? find_get_entries_tag+0x1400/0x1400 [ 392.232273] ? __kasan_slab_free+0x102/0x150 [ 392.236673] ? kasan_slab_free+0xe/0x10 [ 392.240636] ? kmem_cache_free+0x83/0x290 [ 392.244780] ? __sigqueue_free.part.29+0x74/0x90 [ 392.249554] ? lock_acquire+0x1ed/0x520 [ 392.253525] ? ext4_filemap_fault+0x7a/0xad [ 392.257844] ? lock_release+0xa00/0xa00 [ 392.261808] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.267251] ? print_usage_bug+0xc0/0xc0 [ 392.271309] ? print_usage_bug+0xc0/0xc0 [ 392.275380] ? down_read+0x8d/0x120 [ 392.278999] ? ext4_filemap_fault+0x7a/0xad [ 392.283313] ? __down_interruptible+0x700/0x700 [ 392.287982] ext4_filemap_fault+0x82/0xad [ 392.292138] __do_fault+0x100/0x6b0 [ 392.295766] ? pmd_devmap_trans_unstable+0x220/0x220 [ 392.300867] ? mark_held_locks+0x130/0x130 [ 392.305096] ? mark_held_locks+0x130/0x130 [ 392.309329] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.314870] ? rcu_pm_notify+0xc0/0xc0 [ 392.318779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.324318] __handle_mm_fault+0x3ea0/0x5be0 [ 392.328784] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 392.333646] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.338153] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.342742] ? trace_hardirqs_on+0xbd/0x310 [ 392.347090] ? kasan_check_read+0x11/0x20 [ 392.351243] ? __set_current_blocked+0xdf/0x120 [ 392.355958] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.361091] ? zap_class+0x640/0x640 [ 392.364830] ? zap_class+0x640/0x640 [ 392.368552] ? find_held_lock+0x36/0x1c0 [ 392.372619] ? handle_mm_fault+0x42a/0xc70 [ 392.376853] ? lock_downgrade+0x900/0x900 [ 392.381015] ? check_preemption_disabled+0x48/0x280 [ 392.386034] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.390990] ? kasan_check_read+0x11/0x20 [ 392.395135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.400408] ? rcu_softirq_qs+0x20/0x20 [ 392.404383] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.409526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.415062] ? check_preemption_disabled+0x48/0x280 [ 392.420085] handle_mm_fault+0x54f/0xc70 [ 392.424180] ? __handle_mm_fault+0x5be0/0x5be0 [ 392.428784] ? find_vma+0x34/0x190 [ 392.432327] __do_page_fault+0x5e8/0xe60 [ 392.436387] ? exit_to_usermode_loop+0x1f4/0x380 [ 392.441152] do_page_fault+0xf2/0x7e0 [ 392.444958] ? vmalloc_sync_all+0x30/0x30 [ 392.449120] ? error_entry+0x70/0xd0 [ 392.452848] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.457866] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.462809] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.467757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.472608] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.477637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.483089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.488101] ? page_fault+0x8/0x30 [ 392.491655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.496515] ? page_fault+0x8/0x30 [ 392.500072] page_fault+0x1e/0x30 [ 392.503519] RIP: 0033:0x45db60 [ 392.506741] Code: Bad RIP value. [ 392.510096] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 392.515489] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 392.522769] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 392.530047] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 392.537311] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 392.544578] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 392.551881] warn_alloc_show_mem: 1 callbacks suppressed [ 392.551893] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 392.551895] Mem-Info: [ 392.551942] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 392.551942] active_file:10 inactive_file:13 isolated_file:0 [ 392.551942] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.551942] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 392.551942] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 392.551942] free:13762 free_pcp:404 free_cma:0 [ 392.557281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.564554] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.566950] Call Trace: [ 392.599731] 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 [ 392.609081] <IRQ> [ 392.636402] lowmem_reserve[]: 0 2818 6321 6321 [ 392.638993] dump_stack+0x244/0x39d [ 392.665088] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 392.667234] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.671784] lowmem_reserve[]: 0 0 3503 3503 [ 392.675410] warn_alloc.cold.116+0xb7/0x1bd [ 392.702879] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 392.708070] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.712360] lowmem_reserve[]: 0 0 0 0 [ 392.716679] ? lock_downgrade+0x900/0x900 [ 392.745628] 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 [ 392.750486] ? trace_hardirqs_off+0xb8/0x310 [ 392.754256] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 392.758399] ? trace_hardirqs_off+0xb8/0x310 [ 392.771901] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 392.776317] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.791738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.796160] ? warn_alloc+0x120/0x120 [ 392.810166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.815029] ? print_usage_bug+0xc0/0xc0 [ 392.823841] 267 total pagecache pages [ 392.827640] ? warn_alloc+0x120/0x120 [ 392.836214] 0 pages in swap cache [ 392.840288] ? warn_alloc+0x120/0x120 [ 392.844060] Swap cache stats: add 0, delete 0, find 0/0 [ 392.847855] ? print_usage_bug+0xc0/0xc0 [ 392.851278] Free swap = 0kB [ 392.855064] ? kvm_clock_read+0x18/0x30 [ 392.860404] Total swap = 0kB [ 392.864482] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.867481] 1965979 pages RAM [ 392.871450] ? print_usage_bug+0xc0/0xc0 [ 392.874448] 0 pages HighMem/MovableOnly [ 392.879464] ? __lock_acquire+0x62f/0x4c20 [ 392.882542] 342853 pages reserved [ 392.886603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.890549] 0 pages cma reserved [ 392.894793] ? should_fail+0x22d/0xd01 [ 392.898274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.903913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.903933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.907363] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.911161] ? __lock_acquire+0x62f/0x4c20 [ 392.917634] syz-fuzzer cpuset=/ mems_allowed=0 [ 392.922923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.952144] ? __lock_acquire+0x62f/0x4c20 [ 392.956381] ? should_fail+0x22d/0xd01 [ 392.960279] ? rcu_irq_exit+0x1a2/0x390 [ 392.964292] ? mark_held_locks+0x130/0x130 [ 392.968532] ? mark_held_locks+0x130/0x130 [ 392.972772] ? mark_held_locks+0xc7/0x130 [ 392.976926] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.981946] ? zap_class+0x640/0x640 [ 392.985661] ? print_usage_bug+0xc0/0xc0 [ 392.989745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.995288] ? check_preemption_disabled+0x48/0x280 [ 393.000316] ? __lock_is_held+0xb5/0x140 [ 393.004385] __alloc_pages_nodemask+0xa80/0xde0 [ 393.009060] ? zap_class+0x640/0x640 [ 393.012784] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.017813] ? find_held_lock+0x36/0x1c0 [ 393.021886] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.026562] ? lock_downgrade+0x900/0x900 [ 393.030722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.036273] cache_grow_begin+0xa5/0x8c0 [ 393.040363] ? do_raw_spin_unlock+0xa7/0x330 [ 393.044787] fallback_alloc+0x204/0x2e0 [ 393.048770] ____cache_alloc_node+0x1c7/0x1e0 [ 393.053274] kmem_cache_alloc_node+0xe3/0x730 [ 393.057779] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.062031] __alloc_skb+0x119/0x770 [ 393.065750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.071038] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.075472] ? lock_downgrade+0x900/0x900 [ 393.079638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.085180] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.090644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.096103] ? addrconf_rs_timer+0x690/0x690 [ 393.100533] ndisc_alloc_skb+0x144/0x340 [ 393.104605] ndisc_send_rs+0x331/0x6e0 [ 393.108508] addrconf_rs_timer+0x314/0x690 [ 393.112764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.117013] call_timer_fn+0x272/0x920 [ 393.120908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.125144] ? process_timeout+0x40/0x40 [ 393.129219] ? __run_timers+0x7da/0xc70 [ 393.133203] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.137703] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.142204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.146447] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.151045] ? trace_hardirqs_on+0xbd/0x310 [ 393.155374] ? kasan_check_read+0x11/0x20 [ 393.159541] ? __run_timers+0x7da/0xc70 [ 393.163563] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.168688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.172933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.177182] __run_timers+0x7e5/0xc70 [ 393.180992] ? timer_fixup_init+0x70/0x70 [ 393.185144] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.190164] ? zap_class+0x640/0x640 [ 393.193882] ? enqueue_hrtimer+0x1a5/0x560 [ 393.198118] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.203314] ? find_held_lock+0x36/0x1c0 [ 393.207380] ? zap_class+0x640/0x640 [ 393.211097] ? pvclock_read_flags+0x160/0x160 [ 393.215594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.221155] ? check_preemption_disabled+0x48/0x280 [ 393.226181] ? __lock_is_held+0xb5/0x140 [ 393.230249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.235787] ? check_preemption_disabled+0x48/0x280 [ 393.240804] run_timer_softirq+0x52/0xb0 [ 393.244861] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.249879] __do_softirq+0x308/0xb7e [ 393.253687] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.258185] ? lock_downgrade+0x900/0x900 [ 393.262336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.267442] ? pvclock_read_flags+0x160/0x160 [ 393.272008] ? lapic_next_event+0x5a/0x90 [ 393.276156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.281696] ? kvm_clock_read+0x18/0x30 [ 393.285670] ? kvm_sched_clock_read+0x9/0x20 [ 393.290080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.295616] ? check_preemption_disabled+0x48/0x280 [ 393.300657] irq_exit+0x17f/0x1c0 [ 393.304125] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.308964] ? smp_reschedule_interrupt+0x109/0x650 [ 393.313980] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.319859] ? interrupt_entry+0xb5/0xc0 [ 393.323920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.328939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.333958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.338826] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.343837] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.348849] ? task_prio+0x50/0x50 [ 393.352385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.357921] ? check_preemption_disabled+0x48/0x280 [ 393.362974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.367837] apic_timer_interrupt+0xf/0x20 [ 393.372097] </IRQ> [ 393.374338] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.379262] 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 ac [ 393.398158] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.405860] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.413133] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 393.420396] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 393.427653] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.434918] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 393.442222] skb_clone+0x1bb/0x500 [ 393.445772] ? finish_task_switch+0x1b4/0x910 [ 393.450272] ? skb_split+0x11e0/0x11e0 [ 393.454161] ? preempt_notifier_register+0x200/0x200 [ 393.459272] ? __switch_to_asm+0x34/0x70 [ 393.463330] ? __switch_to_asm+0x34/0x70 [ 393.467390] ? __switch_to_asm+0x40/0x70 [ 393.471444] ? __switch_to_asm+0x34/0x70 [ 393.475512] ? __switch_to_asm+0x40/0x70 [ 393.479574] ? __switch_to_asm+0x34/0x70 [ 393.483627] ? __switch_to_asm+0x40/0x70 [ 393.487686] ? __switch_to_asm+0x34/0x70 [ 393.491762] ? __switch_to_asm+0x34/0x70 [ 393.495818] ? __switch_to_asm+0x40/0x70 [ 393.499872] ? __switch_to_asm+0x34/0x70 [ 393.503937] bpf_clone_redirect+0xb9/0x490 [ 393.508221] ? __schedule+0x8d7/0x21d0 [ 393.512123] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 393.517143] ? __sched_text_start+0x8/0x8 [ 393.521289] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.526050] ? find_held_lock+0x36/0x1c0 [ 393.530117] ? lock_acquire+0x1ed/0x520 [ 393.534085] ? bpf_test_run+0x3cb/0x780 [ 393.538053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.543606] ? check_preemption_disabled+0x48/0x280 [ 393.548656] ? kasan_check_read+0x11/0x20 [ 393.552802] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.558077] ? rcu_softirq_qs+0x20/0x20 [ 393.562055] ? preempt_schedule+0x4d/0x60 [ 393.566203] ? ___preempt_schedule+0x16/0x18 [ 393.570629] ? bpf_test_run+0x25d/0x780 [ 393.574616] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.579031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.584574] ? bpf_test_init.isra.10+0x70/0x100 [ 393.589288] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 393.594183] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.599053] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.604592] ? fput+0x130/0x1a0 [ 393.607879] ? __bpf_prog_get+0x9b/0x290 [ 393.611983] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.616821] ? bpf_prog_test_run+0x130/0x1a0 [ 393.621252] ? __x64_sys_bpf+0x3d8/0x520 [ 393.625312] ? bpf_prog_get+0x20/0x20 [ 393.629148] ? do_syscall_64+0x1b9/0x820 [ 393.633211] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.638583] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.643510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.648353] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.653367] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.658381] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.663402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.668251] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.673629] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 393.673699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.680584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.680589] Call Trace: [ 393.680596] <IRQ> [ 393.680618] dump_stack+0x244/0x39d [ 393.680635] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.687187] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.696471] warn_alloc.cold.116+0xb7/0x1bd [ 393.699022] syz-executor2 cpuset=syz2 mems_allowed=0 [ 393.701196] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.734802] ? lock_downgrade+0x900/0x900 [ 393.738961] ? trace_hardirqs_off+0xb8/0x310 [ 393.743375] ? trace_hardirqs_off+0xb8/0x310 [ 393.747795] __alloc_pages_slowpath+0x26e8/0x2e10 [ 393.752674] ? warn_alloc+0x120/0x120 [ 393.756496] ? print_usage_bug+0xc0/0xc0 [ 393.760558] ? warn_alloc+0x120/0x120 [ 393.764360] ? warn_alloc+0x120/0x120 [ 393.768162] ? print_usage_bug+0xc0/0xc0 [ 393.772220] ? kvm_clock_read+0x18/0x30 [ 393.776194] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.781213] ? print_usage_bug+0xc0/0xc0 [ 393.785275] ? __lock_acquire+0x62f/0x4c20 [ 393.789530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.795081] ? should_fail+0x22d/0xd01 [ 393.798967] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.804247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.809352] ? __lock_acquire+0x62f/0x4c20 [ 393.813594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.818718] ? __lock_acquire+0x62f/0x4c20 [ 393.822982] ? should_fail+0x22d/0xd01 [ 393.826924] ? rcu_irq_exit+0x1a2/0x390 [ 393.830925] ? mark_held_locks+0x130/0x130 [ 393.835167] ? mark_held_locks+0x130/0x130 [ 393.839405] ? mark_held_locks+0xc7/0x130 [ 393.843553] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.848574] ? zap_class+0x640/0x640 [ 393.852288] ? print_usage_bug+0xc0/0xc0 [ 393.856354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.861894] ? check_preemption_disabled+0x48/0x280 [ 393.866952] ? __lock_is_held+0xb5/0x140 [ 393.871030] __alloc_pages_nodemask+0xa80/0xde0 [ 393.875693] ? zap_class+0x640/0x640 [ 393.879407] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.884433] ? find_held_lock+0x36/0x1c0 [ 393.888514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.893191] ? lock_downgrade+0x900/0x900 [ 393.897344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.902883] cache_grow_begin+0xa5/0x8c0 [ 393.906936] ? do_raw_spin_unlock+0xa7/0x330 [ 393.911392] fallback_alloc+0x204/0x2e0 [ 393.915385] ____cache_alloc_node+0x1c7/0x1e0 [ 393.919893] kmem_cache_alloc_node+0xe3/0x730 [ 393.924400] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.928654] __alloc_skb+0x119/0x770 [ 393.932387] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.937662] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.942065] ? lock_downgrade+0x900/0x900 [ 393.946213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.951749] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.957201] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.962647] ? addrconf_rs_timer+0x690/0x690 [ 393.967059] ndisc_alloc_skb+0x144/0x340 [ 393.971120] ndisc_send_rs+0x331/0x6e0 [ 393.975011] addrconf_rs_timer+0x314/0x690 [ 393.979247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.983501] call_timer_fn+0x272/0x920 [ 393.987385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.991615] ? process_timeout+0x40/0x40 [ 393.995685] ? mark_held_locks+0xc7/0x130 [ 393.999843] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.004332] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.008825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.013085] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.017663] ? trace_hardirqs_on+0xbd/0x310 [ 394.022017] ? kasan_check_read+0x11/0x20 [ 394.026187] ? __run_timers+0x7da/0xc70 [ 394.030165] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.035278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.039508] __run_timers+0x7e5/0xc70 [ 394.043318] ? timer_fixup_init+0x70/0x70 [ 394.047474] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.052493] ? zap_class+0x640/0x640 [ 394.056209] ? print_usage_bug+0xc0/0xc0 [ 394.060270] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.065471] ? find_held_lock+0x36/0x1c0 [ 394.069534] ? zap_class+0x640/0x640 [ 394.073244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.078777] ? check_preemption_disabled+0x48/0x280 [ 394.083794] ? __lock_is_held+0xb5/0x140 [ 394.087852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.093386] ? check_preemption_disabled+0x48/0x280 [ 394.098420] run_timer_softirq+0x52/0xb0 [ 394.102499] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.107530] __do_softirq+0x308/0xb7e [ 394.111358] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 394.115851] ? lock_downgrade+0x900/0x900 [ 394.120000] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.125108] ? pvclock_read_flags+0x160/0x160 [ 394.129601] ? lapic_next_event+0x5a/0x90 [ 394.133749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.139288] ? kvm_clock_read+0x18/0x30 [ 394.143261] ? kvm_sched_clock_read+0x9/0x20 [ 394.147675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.153262] ? check_preemption_disabled+0x48/0x280 [ 394.158284] irq_exit+0x17f/0x1c0 [ 394.161740] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.166584] ? smp_reschedule_interrupt+0x109/0x650 [ 394.171596] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.177482] ? interrupt_entry+0xb5/0xc0 [ 394.181545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.186556] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.191570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.196414] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.201429] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.206472] ? task_prio+0x50/0x50 [ 394.210010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.215544] ? check_preemption_disabled+0x48/0x280 [ 394.220562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.225406] apic_timer_interrupt+0xf/0x20 [ 394.229627] </IRQ> [ 394.231859] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 394.237079] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 394.255985] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 394.263687] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 394.270951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 394.278235] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 394.285501] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 394.292785] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 394.300110] retint_kernel+0x1b/0x2d [ 394.303828] RIP: 0010:dump_stack+0x358/0x39d [ 394.308237] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 394.327135] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 394.334843] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 394.342111] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 394.349375] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 394.356650] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 394.363917] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 394.371194] ? dump_stack+0x34f/0x39d [ 394.375031] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.380218] ? mark_held_locks+0x130/0x130 [ 394.384448] ? mark_held_locks+0x130/0x130 [ 394.388694] dump_header+0x27b/0xf72 [ 394.392432] ? pagefault_out_of_memory+0x197/0x197 [ 394.397378] ? __lock_acquire+0x62f/0x4c20 [ 394.401609] ? percpu_ref_get_many+0x240/0x240 [ 394.406187] ? print_usage_bug+0xc0/0xc0 [ 394.410250] ? zap_class+0x640/0x640 [ 394.413965] ? print_usage_bug+0xc0/0xc0 [ 394.418020] ? print_usage_bug+0xc0/0xc0 [ 394.422079] ? zap_class+0x640/0x640 [ 394.425793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.431328] ? find_held_lock+0x36/0x1c0 [ 394.435407] ? mark_held_locks+0xc7/0x130 [ 394.439547] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.444644] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.449747] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.454337] ? trace_hardirqs_on+0xbd/0x310 [ 394.458658] ? kasan_check_read+0x11/0x20 [ 394.462798] ? ___ratelimit+0x3b4/0x672 [ 394.466767] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.471863] ? trace_hardirqs_on+0x310/0x310 [ 394.476264] ? lock_downgrade+0x900/0x900 [ 394.480439] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.485557] ? ___ratelimit+0x3b9/0x672 [ 394.489542] ? idr_get_free+0xf70/0xf70 [ 394.493523] ? find_held_lock+0x36/0x1c0 [ 394.497649] oom_kill_process.cold.27+0x10/0x903 [ 394.502412] ? zap_class+0x640/0x640 [ 394.506117] ? check_preemption_disabled+0x48/0x280 [ 394.511129] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.516055] ? kasan_check_read+0x11/0x20 [ 394.520195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.525470] ? oom_evaluate_task+0x540/0x540 [ 394.529940] ? find_held_lock+0x36/0x1c0 [ 394.534024] ? out_of_memory+0x974/0x1430 [ 394.538218] ? lock_downgrade+0x900/0x900 [ 394.542379] ? check_preemption_disabled+0x48/0x280 [ 394.547393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.552316] ? kasan_check_read+0x11/0x20 [ 394.556466] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.561761] ? rcu_softirq_qs+0x20/0x20 [ 394.565742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.571274] ? oom_evaluate_task+0x302/0x540 [ 394.575688] out_of_memory+0xa84/0x1430 [ 394.580086] ? oom_killer_disable+0x3a0/0x3a0 [ 394.584586] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 394.589517] ? __ww_mutex_check_waiters+0x160/0x160 [ 394.594546] __alloc_pages_slowpath+0x2354/0x2e10 [ 394.599415] ? warn_alloc+0x120/0x120 [ 394.603219] ? mark_held_locks+0x130/0x130 [ 394.607469] ? find_get_entry+0xaae/0x1120 [ 394.611719] ? filemap_map_pages+0x1a20/0x1a20 [ 394.616311] ? zap_class+0x640/0x640 [ 394.620030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.625584] ? check_preemption_disabled+0x48/0x280 [ 394.630600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.636139] ? should_fail+0x22d/0xd01 [ 394.640031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.645133] ? zap_class+0x640/0x640 [ 394.648873] ? __lock_is_held+0xb5/0x140 [ 394.652947] ? mark_held_locks+0x130/0x130 [ 394.657189] ? lock_release+0xa00/0xa00 [ 394.661187] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.666636] ? xa_load+0x2ba/0x460 [ 394.670181] ? lock_downgrade+0x900/0x900 [ 394.674332] ? __might_sleep+0x95/0x190 [ 394.678314] __alloc_pages_nodemask+0xa80/0xde0 [ 394.682989] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.688332] ? __page_cache_alloc+0x191/0x5c0 [ 394.692828] ? xa_load+0x2e1/0x460 [ 394.696370] ? xa_clear_mark+0x40/0x40 [ 394.700259] ? zap_class+0x640/0x640 [ 394.703983] ? zap_class+0x640/0x640 [ 394.707696] ? zap_class+0x640/0x640 [ 394.711424] ? __do_page_cache_readahead+0x663/0x810 [ 394.716541] ? find_held_lock+0x36/0x1c0 [ 394.720622] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.726182] alloc_pages_current+0x173/0x350 [ 394.730601] __page_cache_alloc+0x38c/0x5c0 [ 394.734936] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.739876] ? kasan_check_read+0x11/0x20 [ 394.744025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.749304] ? generic_perform_write+0x6a0/0x6a0 [ 394.754798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.760342] ? check_preemption_disabled+0x48/0x280 [ 394.765369] filemap_fault+0x1595/0x25f0 [ 394.769510] ? __lock_page_or_retry+0xa00/0xa00 [ 394.774184] ? mark_held_locks+0x130/0x130 [ 394.778430] ? filemap_map_pages+0xd6b/0x1a20 [ 394.782934] ? lock_downgrade+0x900/0x900 [ 394.787087] ? check_preemption_disabled+0x48/0x280 [ 394.792110] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.797040] ? kasan_check_read+0x11/0x20 [ 394.801203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.806499] ? rcu_softirq_qs+0x20/0x20 [ 394.810490] ? filemap_map_pages+0xd92/0x1a20 [ 394.814991] ? print_usage_bug+0xc0/0xc0 [ 394.819061] ? find_get_entries_tag+0x1400/0x1400 [ 394.823903] ? __kasan_slab_free+0x102/0x150 [ 394.828311] ? kasan_slab_free+0xe/0x10 [ 394.832286] ? kmem_cache_free+0x83/0x290 [ 394.836434] ? __sigqueue_free.part.29+0x74/0x90 [ 394.841247] ? lock_acquire+0x1ed/0x520 [ 394.845223] ? ext4_filemap_fault+0x7a/0xad [ 394.849550] ? lock_release+0xa00/0xa00 [ 394.853530] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.858982] ? print_usage_bug+0xc0/0xc0 [ 394.863048] ? print_usage_bug+0xc0/0xc0 [ 394.867137] ? down_read+0x8d/0x120 [ 394.870764] ? ext4_filemap_fault+0x7a/0xad [ 394.875088] ? __down_interruptible+0x700/0x700 [ 394.879829] ext4_filemap_fault+0x82/0xad [ 394.883981] __do_fault+0x100/0x6b0 [ 394.887613] ? pmd_devmap_trans_unstable+0x220/0x220 [ 394.892739] ? mark_held_locks+0x130/0x130 [ 394.896991] ? mark_held_locks+0x130/0x130 [ 394.901225] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 394.906784] ? rcu_pm_notify+0xc0/0xc0 [ 394.910692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.916233] __handle_mm_fault+0x3ea0/0x5be0 [ 394.920654] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 394.925519] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.930021] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.934619] ? trace_hardirqs_on+0xbd/0x310 [ 394.938935] ? kasan_check_read+0x11/0x20 [ 394.943083] ? __set_current_blocked+0xdf/0x120 [ 394.947836] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.952957] ? zap_class+0x640/0x640 [ 394.956696] ? zap_class+0x640/0x640 [ 394.960429] ? find_held_lock+0x36/0x1c0 [ 394.964518] ? handle_mm_fault+0x42a/0xc70 [ 394.968754] ? lock_downgrade+0x900/0x900 [ 394.972897] ? check_preemption_disabled+0x48/0x280 [ 394.977937] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.982873] ? kasan_check_read+0x11/0x20 [ 394.987018] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.992287] ? rcu_softirq_qs+0x20/0x20 [ 394.996270] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.001386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.006921] ? check_preemption_disabled+0x48/0x280 [ 395.011941] handle_mm_fault+0x54f/0xc70 [ 395.016013] ? __handle_mm_fault+0x5be0/0x5be0 [ 395.020594] ? find_vma+0x34/0x190 [ 395.024132] __do_page_fault+0x5e8/0xe60 [ 395.028188] ? exit_to_usermode_loop+0x1f4/0x380 [ 395.032953] do_page_fault+0xf2/0x7e0 [ 395.036760] ? vmalloc_sync_all+0x30/0x30 [ 395.040907] ? error_entry+0x70/0xd0 [ 395.044618] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.049651] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.054574] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.059516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.064355] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.069366] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.074819] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.079833] ? page_fault+0x8/0x30 [ 395.083372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.088216] ? page_fault+0x8/0x30 [ 395.091762] page_fault+0x1e/0x30 [ 395.095230] RIP: 0033:0x45db60 [ 395.098431] Code: Bad RIP value. [ 395.101795] RSP: 002b:000000c420fc3ab8 EFLAGS: 00010246 [ 395.107154] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 395.114542] RDX: 000000c420fc3ac0 RSI: 000000c420fc3bf0 RDI: 0000000000000011 [ 395.121806] RBP: 000000c4203c3e90 R08: 0000000000000002 R09: 000000c428d5cac8 [ 395.129097] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 395.136416] R13: 000000c4200582a0 R14: 0000000000000001 R15: 0000000000000000 [ 395.143709] CPU: 1 PID: 13037 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #83 [ 395.143736] warn_alloc_show_mem: 1 callbacks suppressed [ 395.143757] Mem-Info: [ 395.151082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.156444] active_anon:44400 inactive_anon:188 isolated_anon:0 [ 395.156444] active_file:10 inactive_file:13 isolated_file:0 [ 395.156444] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.156444] slab_reclaimable:9163 slab_unreclaimable:1469634 [ 395.156444] mapped:8211 shmem:244 pagetables:401 bounce:0 [ 395.156444] free:13762 free_pcp:404 free_cma:0 [ 395.158816] Call Trace: [ 395.168210] Node 0 active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32844kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.201009] <IRQ> [ 395.203588] 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 [ 395.230903] dump_stack+0x244/0x39d [ 395.233023] lowmem_reserve[]: 0 2818 6321 6321 [ 395.259123] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.262724] Node 0 DMA32 free:25124kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 395.267305] warn_alloc.cold.116+0xb7/0x1bd [ 395.272467] lowmem_reserve[]: 0 0 3503 3503 [ 395.300029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.304341] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:177600kB inactive_anon:752kB active_file:40kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1604kB bounce:0kB free_pcp:1368kB local_pcp:780kB free_cma:0kB [ 395.308658] ? lock_downgrade+0x900/0x900 [ 395.313481] lowmem_reserve[]: 0 0 0 0 [ 395.342461] ? trace_hardirqs_off+0xb8/0x310 [ 395.346593] 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 [ 395.350390] ? trace_hardirqs_off+0xb8/0x310 [ 395.354786] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25124kB [ 395.368309] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.372700] Node 0 Normal: 1036*4kB (UMEH) 434*8kB (UME) 260*16kB (UM) 69*32kB (UM) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB [ 395.388140] ? warn_alloc+0x120/0x120 [ 395.392941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.406978] ? print_usage_bug+0xc0/0xc0 [ 395.410758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.419575] ? warn_alloc+0x120/0x120 [ 395.423609] 267 total pagecache pages [ 395.432185] ? warn_alloc+0x120/0x120 [ 395.435960] 0 pages in swap cache [ 395.439761] ? print_usage_bug+0xc0/0xc0 [ 395.443541] Swap cache stats: add 0, delete 0, find 0/0 [ 395.446977] ? kvm_clock_read+0x18/0x30 [ 395.451010] Free swap = 0kB [ 395.456376] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.460342] Total swap = 0kB [ 395.463350] ? print_usage_bug+0xc0/0xc0 [ 395.468337] 1965979 pages RAM [ 395.471339] ? __lock_acquire+0x62f/0x4c20 [ 395.475382] 0 pages HighMem/MovableOnly [ 395.478483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.482689] 342853 pages reserved [ 395.486650] ? should_fail+0x22d/0xd01 [ 395.492153] 0 pages cma reserved [ 395.495591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.499526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.502808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.508191] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.514604] ? __lock_acquire+0x62f/0x4c20 [ 395.519678] syz-fuzzer cpuset=/ mems_allowed=0 [ 395.529891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.543798] ? __lock_acquire+0x62f/0x4c20 [ 395.548027] ? should_fail+0x22d/0xd01 [ 395.551908] ? rcu_irq_exit+0x1a2/0x390 [ 395.555905] ? mark_held_locks+0x130/0x130 [ 395.560153] ? mark_held_locks+0x130/0x130 [ 395.564391] ? mark_held_locks+0xc7/0x130 [ 395.568534] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.573544] ? zap_class+0x640/0x640 [ 395.577284] ? print_usage_bug+0xc0/0xc0 [ 395.581348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.586881] ? check_preemption_disabled+0x48/0x280 [ 395.592044] ? __lock_is_held+0xb5/0x140 [ 395.596108] __alloc_pages_nodemask+0xa80/0xde0 [ 395.600800] ? zap_class+0x640/0x640 [ 395.604516] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.609545] ? find_held_lock+0x36/0x1c0 [ 395.613607] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.618270] ? lock_downgrade+0x900/0x900 [ 395.622421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.627988] cache_grow_begin+0xa5/0x8c0 [ 395.632062] ? do_raw_spin_unlock+0xa7/0x330 [ 395.636493] fallback_alloc+0x204/0x2e0 [ 395.640496] ____cache_alloc_node+0x1c7/0x1e0 [ 395.645018] kmem_cache_alloc_node+0xe3/0x730 [ 395.649514] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.653761] __alloc_skb+0x119/0x770 [ 395.657478] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.662757] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.667172] ? lock_downgrade+0x900/0x900 [ 395.671327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.676878] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.682334] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.687786] ? addrconf_rs_timer+0x690/0x690 [ 395.692249] ndisc_alloc_skb+0x144/0x340 [ 395.696313] ndisc_send_rs+0x331/0x6e0 [ 395.700207] addrconf_rs_timer+0x314/0x690 [ 395.704450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.708706] call_timer_fn+0x272/0x920 [ 395.712595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.716848] ? process_timeout+0x40/0x40 [ 395.720918] ? __run_timers+0x7da/0xc70 [ 395.725415] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.729907] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.734400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.738633] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.743214] ? trace_hardirqs_on+0xbd/0x310 [ 395.747536] ? kasan_check_read+0x11/0x20 [ 395.751685] ? __run_timers+0x7da/0xc70 [ 395.755707] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.760815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.765055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.769331] __run_timers+0x7e5/0xc70 [ 395.773141] ? timer_fixup_init+0x70/0x70 [ 395.777294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.782312] ? zap_class+0x640/0x640 [ 395.786034] ? enqueue_hrtimer+0x1a5/0x560 [ 395.790271] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.795479] ? find_held_lock+0x36/0x1c0 [ 395.799544] ? zap_class+0x640/0x640 [ 395.803271] ? pvclock_read_flags+0x160/0x160 [ 395.807770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.813310] ? check_preemption_disabled+0x48/0x280 [ 395.818335] ? __lock_is_held+0xb5/0x140 [ 395.822396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.827941] ? check_preemption_disabled+0x48/0x280 [ 395.832966] run_timer_softirq+0x52/0xb0 [ 395.837030] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.842053] __do_softirq+0x308/0xb7e [ 395.845858] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.850353] ? lock_downgrade+0x900/0x900 [ 395.854502] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.859612] ? pvclock_read_flags+0x160/0x160 [ 395.864113] ? lapic_next_event+0x5a/0x90 [ 395.868263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.873839] ? kvm_clock_read+0x18/0x30 [ 395.877813] ? kvm_sched_clock_read+0x9/0x20 [ 395.882245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.887780] ? check_preemption_disabled+0x48/0x280 [ 395.892802] irq_exit+0x17f/0x1c0 [ 395.896258] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.901126] ? smp_reschedule_interrupt+0x109/0x650 [ 395.906141] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.912022] ? interrupt_entry+0xb5/0xc0 [ 395.916099] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.921128] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.926142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.930984] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.935996] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.941011] ? task_prio+0x50/0x50 [ 395.944567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.950111] ? check_preemption_disabled+0x48/0x280 [ 395.955126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.959968] apic_timer_interrupt+0xf/0x20 [ 395.964191] </IRQ> [ 395.966421] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.971347] 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 ac [ 395.990247] RSP: 0000:ffff880191007738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.997949] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.005210] RDX: 0000000000000000 RSI: ffff88019544ccc0 RDI: 0000000000000286 [ 396.012484] RBP: ffff8801910077a0 R08: ffff88019544c440 R09: 0000000000000000 [ 396.019755] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.027024] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 396.034368] skb_clone+0x1bb/0x500 [ 396.037907] ? finish_task_switch+0x1b4/0x910 [ 396.042398] ? skb_split+0x11e0/0x11e0 [ 396.046282] ? preempt_notifier_register+0x200/0x200 [ 396.051391] ? __switch_to_asm+0x34/0x70 [ 396.055443] ? __switch_to_asm+0x34/0x70 [ 396.059532] ? __switch_to_asm+0x40/0x70 [ 396.063582] ? __switch_to_asm+0x34/0x70 [ 396.067652] ? __switch_to_asm+0x40/0x70 [ 396.071706] ? __switch_to_asm+0x34/0x70 [ 396.075788] ? __switch_to_asm+0x40/0x70 [ 396.079843] ? __switch_to_asm+0x34/0x70 [ 396.083931] ? __switch_to_asm+0x34/0x70 [ 396.088012] ? __switch_to_asm+0x40/0x70 [ 396.092064] ? __switch_to_asm+0x34/0x70 [ 396.096138] bpf_clone_redirect+0xb9/0x490 [ 396.100385] ? __schedule+0x8d7/0x21d0 [ 396.104283] bpf_prog_bebbfe2050753572+0x2bc/0x1000 [ 396.109295] ? __sched_text_start+0x8/0x8 [ 396.113450] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.118220] ? find_held_lock+0x36/0x1c0 [ 396.122288] ? lock_acquire+0x1ed/0x520 [ 396.126273] ? bpf_test_run+0x3cb/0x780 [ 396.130257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.135809] ? check_preemption_disabled+0x48/0x280 [ 396.140840] ? kasan_check_read+0x11/0x20 [ 396.144996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.150270] ? rcu_softirq_qs+0x20/0x20 [ 396.154243] ? preempt_schedule+0x4d/0x60 [ 396.158386] ? ___preempt_schedule+0x16/0x18 [ 396.162799] ? bpf_test_run+0x25d/0x780 [ 396.166813] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.171222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.176760] ? bpf_test_init.isra.10+0x70/0x100 [ 396.181430] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 396.186200] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.191041] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.196604] ? fput+0x130/0x1a0 [ 396.199879] ? __bpf_prog_get+0x9b/0x290 [ 396.203972] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.208839] ? bpf_prog_test_run+0x130/0x1a0 [ 396.213249] ? __x64_sys_bpf+0x3d8/0x520 [ 396.217306] ? bpf_prog_get+0x20/0x20 [ 396.221122] ? do_syscall_64+0x1b9/0x820 [ 396.225189] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.230555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.235509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.240352] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.245368] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.250387] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.255405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.260252] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.265627] CPU: 0 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83 [ 396.265687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.272548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.272553] Call Trace: [ 396.272558] <IRQ> [ 396.272589] dump_stack+0x244/0x39d [ 396.272608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.279210] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.288484] warn_alloc.cold.116+0xb7/0x1bd [ 396.291037] syz-executor2 cpuset=syz2 mems_allowed=0 [ 396.293177] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.326657] ? lock_downgrade+0x900/0x900 [ 396.330826] ? trace_hardirqs_off+0xb8/0x310 [ 396.335254] ? trace_hardirqs_off+0xb8/0x310 [ 396.339672] __alloc_pages_slowpath+0x26e8/0x2e10 [ 396.344547] ? warn_alloc+0x120/0x120 [ 396.348353] ? print_usage_bug+0xc0/0xc0 [ 396.352415] ? warn_alloc+0x120/0x120 [ 396.356236] ? warn_alloc+0x120/0x120 [ 396.360040] ? print_usage_bug+0xc0/0xc0 [ 396.364119] ? kvm_clock_read+0x18/0x30 [ 396.368108] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 396.373152] ? print_usage_bug+0xc0/0xc0 [ 396.377250] ? __lock_acquire+0x62f/0x4c20 [ 396.381489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.387058] ? should_fail+0x22d/0xd01 [ 396.390955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.396245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.401346] ? __lock_acquire+0x62f/0x4c20 [ 396.405594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.410719] ? __lock_acquire+0x62f/0x4c20 [ 396.414969] ? should_fail+0x22d/0xd01 [ 396.418846] ? rcu_irq_exit+0x1a2/0x390 [ 396.422840] ? mark_held_locks+0x130/0x130 [ 396.427119] ? mark_held_locks+0x130/0x130 [ 396.431372] ? mark_held_locks+0xc7/0x130 [ 396.435516] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.440571] ? zap_class+0x640/0x640 [ 396.444295] ? print_usage_bug+0xc0/0xc0 [ 396.448355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.453933] ? check_preemption_disabled+0x48/0x280 [ 396.458960] ? __lock_is_held+0xb5/0x140 [ 396.463070] __alloc_pages_nodemask+0xa80/0xde0 [ 396.467738] ? zap_class+0x640/0x640 [ 396.471452] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.476499] ? find_held_lock+0x36/0x1c0 [ 396.480566] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.485245] ? lock_downgrade+0x900/0x900 [ 396.489392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.494939] cache_grow_begin+0xa5/0x8c0 [ 396.499024] ? do_raw_spin_unlock+0xa7/0x330 [ 396.503433] fallback_alloc+0x204/0x2e0 [ 396.507418] ____cache_alloc_node+0x1c7/0x1e0 [ 396.511913] kmem_cache_alloc_node+0xe3/0x730 [ 396.516405] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.520662] __alloc_skb+0x119/0x770 [ 396.524368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.529648] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.534052] ? lock_downgrade+0x900/0x900 [ 396.538200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.543792] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.549254] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.554701] ? addrconf_rs_timer+0x690/0x690 [ 396.559135] ndisc_alloc_skb+0x144/0x340 [ 396.563212] ndisc_send_rs+0x331/0x6e0 [ 396.567105] addrconf_rs_timer+0x314/0x690 [ 396.571351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.575603] call_timer_fn+0x272/0x920 [ 396.579502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.583763] ? process_timeout+0x40/0x40 [ 396.587825] ? mark_held_locks+0xc7/0x130 [ 396.592192] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.596681] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.601169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.605396] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.609972] ? trace_hardirqs_on+0xbd/0x310 [ 396.614287] ? kasan_check_read+0x11/0x20 [ 396.618428] ? __run_timers+0x7da/0xc70 [ 396.622406] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.627526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.631765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.636010] __run_timers+0x7e5/0xc70 [ 396.639818] ? timer_fixup_init+0x70/0x70 [ 396.643969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.649002] ? zap_class+0x640/0x640 [ 396.652723] ? print_usage_bug+0xc0/0xc0 [ 396.656793] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.661988] ? find_held_lock+0x36/0x1c0 [ 396.666053] ? zap_class+0x640/0x640 [ 396.669781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.675320] ? check_preemption_disabled+0x48/0x280 [ 396.680344] ? __lock_is_held+0xb5/0x140 [ 396.684403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.689953] ? check_preemption_disabled+0x48/0x280 [ 396.694990] run_timer_softirq+0x52/0xb0 [ 396.699046] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.704073] __do_softirq+0x308/0xb7e [ 396.707875] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.712368] ? lock_downgrade+0x900/0x900 [ 396.716522] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.721633] ? pvclock_read_flags+0x160/0x160 [ 396.726129] ? lapic_next_event+0x5a/0x90 [ 396.730277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.735821] ? kvm_clock_read+0x18/0x30 [ 396.739791] ? kvm_sched_clock_read+0x9/0x20 [ 396.744194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.749725] ? check_preemption_disabled+0x48/0x280 [ 396.754767] irq_exit+0x17f/0x1c0 [ 396.758240] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.763140] ? smp_reschedule_interrupt+0x109/0x650 [ 396.768150] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.774028] ? interrupt_entry+0xb5/0xc0 [ 396.778105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.783146] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.788176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.793015] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.798027] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.803037] ? task_prio+0x50/0x50 [ 396.806575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.812115] ? check_preemption_disabled+0x48/0x280 [ 396.817136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.821987] apic_timer_interrupt+0xf/0x20 [ 396.826214] </IRQ> [ 396.828450] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 396.833646] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec [ 396.852544] RSP: 0018:ffff8801bee7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.860247] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10036a66136 [ 396.867514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801b533093c [ 396.874847] RBP: ffff8801bee7e128 R08: ffff8801b53309b0 R09: 0000000000000006 [ 396.882109] R10: 0000000000000000 R11: ffff8801b53300c0 R12: dffffc0000000000 [ 396.889371] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 396.896659] retint_kernel+0x1b/0x2d [ 396.900366] RIP: 0010:dump_stack+0x358/0x39d [ 396.904765] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 396.923686] RSP: 0018:ffff8801bee7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 396.931389] RAX: ffff8801b53300c0 RBX: 1ffffffff12a3f76 RCX: 1ffff10036a66136 [ 396.938649] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293 [ 396.945915] RBP: ffff8801bee7e290 R08: ffff8801b53309b0 R09: 0000000000000006 [ 396.953216] R10: 0000000000000000 R11: ffff8801b53300c0 R12: 1ffff10037dcfc45 [ 396.960508] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 396.967829] ? dump_stack+0x34f/0x39d [ 396.971671] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.976858] ? mark_held_locks+0x130/0x130 [ 396.981090] ? mark_held_locks+0x130/0x130 [ 396.985322] dump_header+0x27b/0xf72 [ 396.989042] ? pagefault_out_of_memory+0x197/0x197 [ 396.994001] ? __lock_acquire+0x62f/0x4c20 [ 396.998231] ? percpu_ref_get_many+0x240/0x240 [ 397.002813] ? print_usage_bug+0xc0/0xc0 [ 397.006898] ? zap_class+0x640/0x640 [ 397.010632] ? print_usage_bug+0xc0/0xc0 [ 397.014696] ? print_usage_bug+0xc0/0xc0 [ 397.018765] ? zap_class+0x640/0x640 [ 397.022505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.028062] ? find_held_lock+0x36/0x1c0 [ 397.032148] ? mark_held_locks+0xc7/0x130 [ 397.036306] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.041405] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.046508] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.051100] ? trace_hardirqs_on+0xbd/0x310