_class+0x640/0x640 [ 1065.505020] ? __lock_is_held+0xb5/0x140 [ 1065.509084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1065.514619] ? check_preemption_disabled+0x48/0x280 [ 1065.519643] ? __lock_is_held+0xb5/0x140 [ 1065.523706] __alloc_pages_nodemask+0xa80/0xde0 [ 1065.528371] ? zap_class+0x640/0x640 [ 1065.532090] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1065.537117] ? find_held_lock+0x36/0x1c0 [ 1065.541203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1065.545870] ? lock_downgrade+0x900/0x900 [ 1065.550029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1065.555568] cache_grow_begin+0xa5/0x8c0 [ 1065.559628] ? do_raw_spin_unlock+0xa7/0x330 [ 1065.564039] fallback_alloc+0x204/0x2e0 [ 1065.568018] ____cache_alloc_node+0x1c7/0x1e0 [ 1065.572516] kmem_cache_alloc+0x1f8/0x730 [ 1065.576672] skb_clone+0x1bb/0x500 [ 1065.580211] ? finish_task_switch+0x2f4/0x910 [ 1065.584703] ? skb_split+0x11e0/0x11e0 [ 1065.588590] ? preempt_notifier_register+0x200/0x200 [ 1065.593690] ? __switch_to_asm+0x34/0x70 [ 1065.597746] ? __switch_to_asm+0x34/0x70 [ 1065.601799] ? __switch_to_asm+0x40/0x70 [ 1065.605854] ? __switch_to_asm+0x34/0x70 [ 1065.609907] ? __switch_to_asm+0x40/0x70 [ 1065.613964] ? __switch_to_asm+0x34/0x70 [ 1065.618024] ? __switch_to_asm+0x40/0x70 [ 1065.622077] ? __switch_to_asm+0x34/0x70 [ 1065.626143] ? __switch_to_asm+0x34/0x70 [ 1065.630201] ? __switch_to_asm+0x40/0x70 [ 1065.634256] ? __switch_to_asm+0x34/0x70 [ 1065.638323] bpf_clone_redirect+0xb9/0x490 [ 1065.642558] ? __schedule+0x8d7/0x21d0 [ 1065.646461] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1065.651480] ? __sched_text_start+0x8/0x8 [ 1065.655639] ? find_held_lock+0x36/0x1c0 [ 1065.659720] ? lock_acquire+0x1ed/0x520 [ 1065.663693] ? bpf_test_run+0x3cb/0x780 [ 1065.667669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1065.673204] ? check_preemption_disabled+0x48/0x280 [ 1065.678222] ? kasan_check_read+0x11/0x20 [ 1065.682367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1065.687642] ? rcu_softirq_qs+0x20/0x20 [ 1065.691612] ? preempt_schedule+0x4d/0x60 [ 1065.695757] ? ___preempt_schedule+0x16/0x18 [ 1065.700174] ? bpf_test_run+0x25d/0x780 [ 1065.704162] ? netlink_diag_dump+0x2a0/0x2a0 [ 1065.708569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1065.714101] ? bpf_test_init.isra.10+0x70/0x100 [ 1065.718783] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1065.723550] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1065.728391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1065.733924] ? fput+0x130/0x1a0 [ 1065.737200] ? __bpf_prog_get+0x9b/0x290 [ 1065.741353] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1065.746188] ? bpf_prog_test_run+0x130/0x1a0 [ 1065.750602] ? __x64_sys_bpf+0x3d8/0x520 [ 1065.754659] ? bpf_prog_get+0x20/0x20 [ 1065.758477] ? do_syscall_64+0x1b9/0x820 [ 1065.762538] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1065.767900] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1065.772826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1065.777670] ? trace_hardirqs_on_caller+0x310/0x310 [ 1065.782689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1065.787710] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1065.792730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1065.797578] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1065.802959] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1065.803357] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1065.809968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1065.820437] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1065.829774] Call Trace: [ 1065.837420] [ 1065.839569] dump_stack+0x244/0x39d [ 1065.843195] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1065.848393] warn_alloc.cold.116+0xb7/0x1bd [ 1065.852712] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1065.857552] ? lock_downgrade+0x900/0x900 [ 1065.861704] ? trace_hardirqs_off+0xb8/0x310 [ 1065.866123] ? trace_hardirqs_off+0xb8/0x310 [ 1065.870538] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1065.875403] ? warn_alloc+0x120/0x120 [ 1065.879210] ? warn_alloc+0x120/0x120 [ 1065.883005] ? __lock_acquire+0x62f/0x4c20 [ 1065.887234] ? warn_alloc+0x120/0x120 [ 1065.891033] ? print_usage_bug+0xc0/0xc0 [ 1065.895090] ? print_usage_bug+0xc0/0xc0 [ 1065.899155] ? mark_held_locks+0x130/0x130 [ 1065.903390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1065.908929] ? should_fail+0x22d/0xd01 [ 1065.912810] ? zap_class+0x640/0x640 [ 1065.916524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1065.921623] ? __lock_acquire+0x62f/0x4c20 [ 1065.925856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1065.930950] ? should_fail+0x22d/0xd01 [ 1065.934846] ? mark_held_locks+0x130/0x130 [ 1065.939077] ? mark_held_locks+0x130/0x130 [ 1065.943315] ? lock_downgrade+0x900/0x900 [ 1065.947464] ? zap_class+0x640/0x640 [ 1065.951171] ? zap_class+0x640/0x640 [ 1065.954886] ? zap_class+0x640/0x640 [ 1065.958594] ? do_raw_spin_unlock+0xa7/0x330 [ 1065.962995] ? trace_hardirqs_on+0x310/0x310 [ 1065.967401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1065.972934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1065.978474] ? check_preemption_disabled+0x48/0x280 [ 1065.983495] ? __lock_is_held+0xb5/0x140 [ 1065.987559] __alloc_pages_nodemask+0xa80/0xde0 [ 1065.992225] ? zap_class+0x640/0x640 [ 1065.995938] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1066.000959] ? find_held_lock+0x36/0x1c0 [ 1066.005027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1066.009690] ? lock_downgrade+0x900/0x900 [ 1066.013843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.019378] cache_grow_begin+0xa5/0x8c0 [ 1066.023431] ? do_raw_spin_unlock+0xa7/0x330 [ 1066.027844] fallback_alloc+0x204/0x2e0 [ 1066.031820] ____cache_alloc_node+0x1c7/0x1e0 [ 1066.036318] kmem_cache_alloc_node+0xe3/0x730 [ 1066.041079] ? __kmalloc_node_track_caller+0x50/0x70 [ 1066.046190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1066.051727] __alloc_skb+0x119/0x770 [ 1066.055434] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1066.060803] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1066.065218] ? vprintk_default+0x28/0x30 [ 1066.069275] ? vprintk_func+0x85/0x181 [ 1066.073161] ? printk+0xa7/0xcf [ 1066.076436] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1066.081531] ? do_raw_spin_trylock+0x270/0x270 [ 1066.086118] new_skb+0x26/0x1c0 [ 1066.089396] aoecmd_cfg+0x279/0x7f0 [ 1066.093026] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1066.097347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.102889] ? __lock_is_held+0xb5/0x140 [ 1066.106960] discover_timer+0x50/0x60 [ 1066.110757] call_timer_fn+0x272/0x920 [ 1066.114813] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1066.119654] ? process_timeout+0x40/0x40 [ 1066.123720] ? mark_held_locks+0xc7/0x130 [ 1066.127870] ? _raw_spin_unlock_irq+0x27/0x80 [ 1066.132358] ? _raw_spin_unlock_irq+0x27/0x80 [ 1066.136845] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1066.141685] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1066.146264] ? trace_hardirqs_on+0xbd/0x310 [ 1066.150579] ? kasan_check_read+0x11/0x20 [ 1066.154720] ? __run_timers+0x7da/0xc70 [ 1066.158689] ? trace_hardirqs_off_caller+0x310/0x310 [ 1066.163800] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1066.168637] __run_timers+0x7e5/0xc70 [ 1066.172446] ? timer_fixup_init+0x70/0x70 [ 1066.176596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1066.181610] ? zap_class+0x640/0x640 [ 1066.185325] ? print_usage_bug+0xc0/0xc0 [ 1066.189382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1066.194572] ? find_held_lock+0x36/0x1c0 [ 1066.198634] ? zap_class+0x640/0x640 [ 1066.202528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.208062] ? check_preemption_disabled+0x48/0x280 [ 1066.213097] ? __lock_is_held+0xb5/0x140 [ 1066.217161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.222704] ? check_preemption_disabled+0x48/0x280 [ 1066.227721] run_timer_softirq+0x52/0xb0 [ 1066.231777] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1066.236815] __do_softirq+0x308/0xb7e [ 1066.240616] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1066.245110] ? lock_downgrade+0x900/0x900 [ 1066.249256] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1066.254361] ? pvclock_read_flags+0x160/0x160 [ 1066.258852] ? lapic_next_event+0x5a/0x90 [ 1066.263006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.268545] ? kvm_clock_read+0x18/0x30 [ 1066.272515] ? kvm_sched_clock_read+0x9/0x20 [ 1066.276923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.282459] ? check_preemption_disabled+0x48/0x280 [ 1066.287477] irq_exit+0x17f/0x1c0 [ 1066.290925] smp_apic_timer_interrupt+0x1cb/0x760 [ 1066.295767] ? smp_reschedule_interrupt+0x109/0x650 [ 1066.300781] ? smp_call_function_single_interrupt+0x650/0x650 [ 1066.306659] ? interrupt_entry+0xb5/0xc0 [ 1066.310715] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1066.315724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1066.320735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1066.325579] ? trace_hardirqs_on_caller+0x310/0x310 [ 1066.330590] ? trace_hardirqs_on_caller+0x310/0x310 [ 1066.335690] ? task_prio+0x50/0x50 [ 1066.339227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.344761] ? check_preemption_disabled+0x48/0x280 [ 1066.349799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1066.354650] apic_timer_interrupt+0xf/0x20 [ 1066.358877] [ 1066.361112] RIP: 0010:console_unlock+0x102f/0x1190 [ 1066.366037] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1066.384938] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1066.392639] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1066.399903] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1066.407168] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1066.414431] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1066.421696] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1066.428966] ? netconsole_netdev_event+0x280/0x280 [ 1066.433898] ? console_unlock+0x1026/0x1190 [ 1066.438245] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1066.442904] ? vprintk_emit+0x846/0x990 [ 1066.446875] ? lock_release+0xa00/0xa00 [ 1066.450849] ? trace_hardirqs_on+0x70/0x310 [ 1066.455169] ? vprintk_default+0x28/0x30 [ 1066.459227] ? trace_hardirqs_off_caller+0x310/0x310 [ 1066.464330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.469868] vprintk_emit+0x391/0x990 [ 1066.473670] ? wake_up_klogd+0x180/0x180 [ 1066.477733] ? find_held_lock+0x11/0x1c0 [ 1066.481801] ? mark_held_locks+0xc7/0x130 [ 1066.485949] ? _raw_spin_unlock_irq+0x27/0x80 [ 1066.490444] ? _raw_spin_unlock_irq+0x27/0x80 [ 1066.494941] vprintk_default+0x28/0x30 [ 1066.498838] vprintk_func+0x7e/0x181 [ 1066.502551] printk+0xa7/0xcf [ 1066.505649] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1066.510401] ? _raw_spin_unlock_irq+0x60/0x80 [ 1066.514904] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1066.520192] dump_header+0x7cc/0xf72 [ 1066.523909] ? pagefault_out_of_memory+0x197/0x197 [ 1066.528840] ? __lock_acquire+0x62f/0x4c20 [ 1066.533078] ? print_usage_bug+0xc0/0xc0 [ 1066.537139] ? zap_class+0x640/0x640 [ 1066.540849] ? print_usage_bug+0xc0/0xc0 [ 1066.544913] ? print_usage_bug+0xc0/0xc0 [ 1066.548971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.554506] ? find_held_lock+0x36/0x1c0 [ 1066.558569] ? mark_held_locks+0xc7/0x130 [ 1066.562712] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1066.567810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1066.572908] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1066.577489] ? trace_hardirqs_on+0xbd/0x310 [ 1066.581808] ? kasan_check_read+0x11/0x20 [ 1066.585948] ? ___ratelimit+0x3b4/0x672 [ 1066.589917] ? trace_hardirqs_off_caller+0x310/0x310 [ 1066.595019] ? trace_hardirqs_on+0x310/0x310 [ 1066.599437] ? lock_downgrade+0x900/0x900 [ 1066.603588] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1066.608685] ? ___ratelimit+0x3b9/0x672 [ 1066.612658] ? idr_get_free+0xf70/0xf70 [ 1066.616625] ? find_held_lock+0x36/0x1c0 [ 1066.620695] oom_kill_process.cold.27+0x10/0x903 [ 1066.625448] ? zap_class+0x640/0x640 [ 1066.629162] ? check_preemption_disabled+0x48/0x280 [ 1066.634175] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1066.639096] ? kasan_check_read+0x11/0x20 [ 1066.643238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1066.648514] ? oom_evaluate_task+0x540/0x540 [ 1066.652924] ? find_held_lock+0x36/0x1c0 [ 1066.656985] ? out_of_memory+0x974/0x1430 [ 1066.661127] ? lock_downgrade+0x900/0x900 [ 1066.665270] ? check_preemption_disabled+0x48/0x280 [ 1066.670285] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1066.675293] ? kasan_check_read+0x11/0x20 [ 1066.679435] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1066.684707] ? rcu_softirq_qs+0x20/0x20 [ 1066.688676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1066.694207] ? oom_evaluate_task+0x302/0x540 [ 1066.698613] out_of_memory+0xa84/0x1430 [ 1066.702593] ? oom_killer_disable+0x3a0/0x3a0 [ 1066.707083] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1066.712009] ? __ww_mutex_check_waiters+0x160/0x160 [ 1066.717046] __alloc_pages_slowpath+0x2354/0x2e10 [ 1066.721911] ? warn_alloc+0x120/0x120 [ 1066.725708] ? mark_held_locks+0x130/0x130 [ 1066.729940] ? find_get_entry+0xaae/0x1120 [ 1066.734181] ? filemap_map_pages+0x1a20/0x1a20 [ 1066.738765] ? zap_class+0x640/0x640 [ 1066.742480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1066.748015] ? check_preemption_disabled+0x48/0x280 [ 1066.753038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1066.758572] ? should_fail+0x22d/0xd01 [ 1066.762461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1066.767559] ? zap_class+0x640/0x640 [ 1066.771293] ? __lock_is_held+0xb5/0x140 [ 1066.775360] ? mark_held_locks+0x130/0x130 [ 1066.779594] ? lock_release+0xa00/0xa00 [ 1066.783564] ? perf_trace_sched_process_exec+0x860/0x860 [ 1066.789012] ? xa_load+0x2ba/0x460 [ 1066.792556] ? lock_downgrade+0x900/0x900 [ 1066.796708] ? __might_sleep+0x95/0x190 [ 1066.800681] __alloc_pages_nodemask+0xa80/0xde0 [ 1066.805352] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1066.810361] ? __page_cache_alloc+0x191/0x5c0 [ 1066.814853] ? xa_load+0x2e1/0x460 [ 1066.818391] ? xa_clear_mark+0x40/0x40 [ 1066.822277] ? zap_class+0x640/0x640 [ 1066.825992] ? zap_class+0x640/0x640 [ 1066.829705] ? zap_class+0x640/0x640 [ 1066.833412] ? __do_page_cache_readahead+0x663/0x810 [ 1066.838514] ? find_held_lock+0x36/0x1c0 [ 1066.842577] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1066.848116] alloc_pages_current+0x173/0x350 [ 1066.852523] __page_cache_alloc+0x38c/0x5c0 [ 1066.856837] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1066.861761] ? kasan_check_read+0x11/0x20 [ 1066.865900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1066.871175] ? generic_perform_write+0x6a0/0x6a0 [ 1066.875925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1066.881461] ? check_preemption_disabled+0x48/0x280 [ 1066.886480] filemap_fault+0x1595/0x25f0 [ 1066.890551] ? __lock_page_or_retry+0xa00/0xa00 [ 1066.895220] ? mark_held_locks+0x130/0x130 [ 1066.899461] ? filemap_map_pages+0xd6b/0x1a20 [ 1066.903951] ? lock_downgrade+0x900/0x900 [ 1066.908094] ? check_preemption_disabled+0x48/0x280 [ 1066.913639] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1066.918565] ? kasan_check_read+0x11/0x20 [ 1066.922708] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1066.927979] ? rcu_softirq_qs+0x20/0x20 [ 1066.931961] ? filemap_map_pages+0xd92/0x1a20 [ 1066.936459] ? find_get_entries_tag+0x1400/0x1400 [ 1066.941297] ? find_held_lock+0x36/0x1c0 [ 1066.945374] ? lock_acquire+0x1ed/0x520 [ 1066.949346] ? ext4_filemap_fault+0x7a/0xad [ 1066.953688] ? lock_release+0xa00/0xa00 [ 1066.957662] ? perf_trace_sched_process_exec+0x860/0x860 [ 1066.963110] ? print_usage_bug+0xc0/0xc0 [ 1066.967180] ? down_read+0x8d/0x120 [ 1066.970799] ? ext4_filemap_fault+0x7a/0xad [ 1066.975114] ? __down_interruptible+0x700/0x700 [ 1066.979779] ? find_held_lock+0x36/0x1c0 [ 1066.983837] ext4_filemap_fault+0x82/0xad [ 1066.987983] __do_fault+0x100/0x6b0 [ 1066.991613] ? lock_downgrade+0x900/0x900 [ 1066.995756] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1067.000863] ? kasan_check_read+0x11/0x20 [ 1067.005004] ? do_raw_spin_unlock+0xa7/0x330 [ 1067.009416] ? do_raw_spin_trylock+0x270/0x270 [ 1067.014013] __handle_mm_fault+0x3ea0/0x5be0 [ 1067.018419] ? perf_trace_lock+0x7a0/0x7a0 [ 1067.022660] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1067.027513] ? ksys_dup3+0x680/0x680 [ 1067.031235] ? zap_class+0x640/0x640 [ 1067.034946] ? zap_class+0x640/0x640 [ 1067.038655] ? __x64_sys_futex+0x53e/0x6a0 [ 1067.042886] ? find_held_lock+0x36/0x1c0 [ 1067.046951] ? handle_mm_fault+0x42a/0xc70 [ 1067.051181] ? lock_downgrade+0x900/0x900 [ 1067.055324] ? check_preemption_disabled+0x48/0x280 [ 1067.060338] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1067.065262] ? kasan_check_read+0x11/0x20 [ 1067.069402] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1067.074675] ? rcu_softirq_qs+0x20/0x20 [ 1067.078642] ? trace_hardirqs_off_caller+0x310/0x310 [ 1067.083744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1067.089278] ? check_preemption_disabled+0x48/0x280 [ 1067.094294] handle_mm_fault+0x54f/0xc70 [ 1067.098354] ? __handle_mm_fault+0x5be0/0x5be0 [ 1067.102938] ? find_vma+0x34/0x190 [ 1067.106480] __do_page_fault+0x5e8/0xe60 [ 1067.110538] ? trace_hardirqs_off+0xb8/0x310 [ 1067.114944] ? kernel_write+0x120/0x120 [ 1067.118926] do_page_fault+0xf2/0x7e0 [ 1067.122722] ? vmalloc_sync_all+0x30/0x30 [ 1067.126862] ? error_entry+0x70/0xd0 [ 1067.130572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1067.135586] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1067.140512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1067.145433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1067.150274] ? trace_hardirqs_on_caller+0x310/0x310 [ 1067.155291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1067.160741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1067.166097] ? page_fault+0x8/0x30 [ 1067.169634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1067.174476] ? page_fault+0x8/0x30 [ 1067.178016] page_fault+0x1e/0x30 [ 1067.181480] RIP: 0033:0x404068 [ 1067.184676] Code: Bad RIP value. [ 1067.188033] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1067.193388] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1067.200650] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1067.207911] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1067.215175] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1067.222684] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1067.229976] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1067.229981] warn_alloc_show_mem: 1 callbacks suppressed [ 1067.229996] Mem-Info: [ 1067.237265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1067.242627] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1067.242627] active_file:12 inactive_file:9 isolated_file:0 [ 1067.242627] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1067.242627] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1067.242627] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1067.242627] free:13627 free_pcp:121 free_cma:0 [ 1067.244996] Call Trace: [ 1067.245016] dump_stack+0x244/0x39d [ 1067.257158] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1067.290015] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1067.292570] 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 [ 1067.296200] warn_alloc.cold.116+0xb7/0x1bd [ 1067.323912] lowmem_reserve[]: 0 2818 6321 6321 [ 1067.329102] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1067.355178] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1067.359495] ? lock_downgrade+0x900/0x900 [ 1067.364044] lowmem_reserve[]: 0 0 3503 3503 [ 1067.368883] ? trace_hardirqs_off+0xb8/0x310 [ 1067.396615] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1067.400762] ? trace_hardirqs_off+0xb8/0x310 [ 1067.405055] lowmem_reserve[]: 0 0 0 0 [ 1067.409459] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1067.438141] 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 [ 1067.442576] ? warn_alloc+0x120/0x120 [ 1067.446319] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1067.451166] ? warn_alloc+0x120/0x120 [ 1067.464652] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1067.468454] ? dev_hard_start_xmit+0x42c/0xc80 [ 1067.484037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1067.487819] ? warn_alloc+0x120/0x120 [ 1067.500882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1067.505449] ? print_usage_bug+0xc0/0xc0 [ 1067.514253] 4359 total pagecache pages [ 1067.518038] ? find_held_lock+0x36/0x1c0 [ 1067.526590] 0 pages in swap cache [ 1067.530632] ? print_usage_bug+0xc0/0xc0 [ 1067.534490] Swap cache stats: add 0, delete 0, find 0/0 [ 1067.538535] ? cpuacct_charge+0x265/0x440 [ 1067.541958] Free swap = 0kB [ 1067.546014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1067.551341] Total swap = 0kB [ 1067.551349] 1965979 pages RAM [ 1067.555490] ? should_fail+0x22d/0xd01 [ 1067.558472] 0 pages HighMem/MovableOnly [ 1067.558480] 342854 pages reserved [ 1067.564003] ? find_held_lock+0x36/0x1c0 [ 1067.566992] 0 pages cma reserved [ 1067.570089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1067.574002] aoe: skb alloc failure [ 1067.577914] ? __lock_acquire+0x62f/0x4c20 [ 1067.577933] ? should_fail+0x22d/0xd01 [ 1067.577969] ? mark_held_locks+0x130/0x130 [ 1067.581408] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1067.585436] ? mark_held_locks+0x130/0x130 [ 1067.588785] syz-fuzzer cpuset=/ mems_allowed=0 [ 1067.593875] ? __lock_acquire+0x62f/0x4c20 [ 1067.632903] ? zap_class+0x640/0x640 [ 1067.636618] ? __lock_is_held+0xb5/0x140 [ 1067.640681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1067.646217] ? check_preemption_disabled+0x48/0x280 [ 1067.651241] ? __lock_is_held+0xb5/0x140 [ 1067.655307] __alloc_pages_nodemask+0xa80/0xde0 [ 1067.659980] ? zap_class+0x640/0x640 [ 1067.663701] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1067.668724] ? find_held_lock+0x36/0x1c0 [ 1067.672795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1067.677466] ? lock_downgrade+0x900/0x900 [ 1067.681619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1067.687157] cache_grow_begin+0xa5/0x8c0 [ 1067.691216] ? do_raw_spin_unlock+0xa7/0x330 [ 1067.695629] fallback_alloc+0x204/0x2e0 [ 1067.699607] ____cache_alloc_node+0x1c7/0x1e0 [ 1067.704110] kmem_cache_alloc+0x1f8/0x730 [ 1067.708266] skb_clone+0x1bb/0x500 [ 1067.711802] ? finish_task_switch+0x2f4/0x910 [ 1067.716300] ? skb_split+0x11e0/0x11e0 [ 1067.720188] ? preempt_notifier_register+0x200/0x200 [ 1067.725286] ? __switch_to_asm+0x34/0x70 [ 1067.729346] ? __switch_to_asm+0x34/0x70 [ 1067.733405] ? __switch_to_asm+0x40/0x70 [ 1067.737460] ? __switch_to_asm+0x34/0x70 [ 1067.741517] ? __switch_to_asm+0x40/0x70 [ 1067.745578] ? __switch_to_asm+0x34/0x70 [ 1067.749633] ? __switch_to_asm+0x40/0x70 [ 1067.753686] ? __switch_to_asm+0x34/0x70 [ 1067.757741] ? __switch_to_asm+0x34/0x70 [ 1067.761794] ? __switch_to_asm+0x40/0x70 [ 1067.765850] ? __switch_to_asm+0x34/0x70 [ 1067.769923] bpf_clone_redirect+0xb9/0x490 [ 1067.774161] ? __schedule+0x8d7/0x21d0 [ 1067.778057] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1067.783073] ? __sched_text_start+0x8/0x8 [ 1067.787232] ? find_held_lock+0x36/0x1c0 [ 1067.791297] ? lock_acquire+0x1ed/0x520 [ 1067.795267] ? bpf_test_run+0x3cb/0x780 [ 1067.799241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1067.804779] ? check_preemption_disabled+0x48/0x280 [ 1067.809806] ? kasan_check_read+0x11/0x20 [ 1067.813964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1067.819237] ? rcu_softirq_qs+0x20/0x20 [ 1067.823213] ? preempt_schedule+0x4d/0x60 [ 1067.827358] ? ___preempt_schedule+0x16/0x18 [ 1067.831770] ? bpf_test_run+0x25d/0x780 [ 1067.835775] ? netlink_diag_dump+0x2a0/0x2a0 [ 1067.840186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1067.845718] ? bpf_test_init.isra.10+0x70/0x100 [ 1067.850392] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1067.855170] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1067.860008] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1067.865543] ? fput+0x130/0x1a0 [ 1067.868828] ? __bpf_prog_get+0x9b/0x290 [ 1067.872888] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1067.877728] ? bpf_prog_test_run+0x130/0x1a0 [ 1067.882138] ? __x64_sys_bpf+0x3d8/0x520 [ 1067.886195] ? bpf_prog_get+0x20/0x20 [ 1067.890012] ? do_syscall_64+0x1b9/0x820 [ 1067.894073] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1067.899435] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1067.904365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1067.909207] ? trace_hardirqs_on_caller+0x310/0x310 [ 1067.914224] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1067.919249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1067.924267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1067.929118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1067.934500] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1067.934868] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1067.941515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1067.951983] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1067.961318] Call Trace: [ 1067.968968] [ 1067.971122] dump_stack+0x244/0x39d [ 1067.974749] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1067.979956] warn_alloc.cold.116+0xb7/0x1bd [ 1067.984279] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1067.989125] ? lock_downgrade+0x900/0x900 [ 1067.993276] ? trace_hardirqs_off+0xb8/0x310 [ 1067.997692] ? trace_hardirqs_off+0xb8/0x310 [ 1068.002106] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1068.006978] ? warn_alloc+0x120/0x120 [ 1068.010783] ? warn_alloc+0x120/0x120 [ 1068.014582] ? __lock_acquire+0x62f/0x4c20 [ 1068.018812] ? warn_alloc+0x120/0x120 [ 1068.022611] ? print_usage_bug+0xc0/0xc0 [ 1068.026671] ? print_usage_bug+0xc0/0xc0 [ 1068.030732] ? mark_held_locks+0x130/0x130 [ 1068.034975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1068.040597] ? should_fail+0x22d/0xd01 [ 1068.044481] ? zap_class+0x640/0x640 [ 1068.048198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1068.053301] ? __lock_acquire+0x62f/0x4c20 [ 1068.057534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1068.062629] ? should_fail+0x22d/0xd01 [ 1068.066524] ? mark_held_locks+0x130/0x130 [ 1068.070759] ? mark_held_locks+0x130/0x130 [ 1068.074988] ? lock_downgrade+0x900/0x900 [ 1068.079639] ? zap_class+0x640/0x640 [ 1068.083350] ? zap_class+0x640/0x640 [ 1068.087064] ? zap_class+0x640/0x640 [ 1068.090774] ? do_raw_spin_unlock+0xa7/0x330 [ 1068.095189] ? trace_hardirqs_on+0x310/0x310 [ 1068.099593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.105127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.110663] ? check_preemption_disabled+0x48/0x280 [ 1068.115683] ? __lock_is_held+0xb5/0x140 [ 1068.119748] __alloc_pages_nodemask+0xa80/0xde0 [ 1068.124410] ? zap_class+0x640/0x640 [ 1068.128123] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1068.133145] ? find_held_lock+0x36/0x1c0 [ 1068.137210] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1068.141886] ? lock_downgrade+0x900/0x900 [ 1068.146043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.151580] cache_grow_begin+0xa5/0x8c0 [ 1068.155636] ? do_raw_spin_unlock+0xa7/0x330 [ 1068.160045] fallback_alloc+0x204/0x2e0 [ 1068.164022] ____cache_alloc_node+0x1c7/0x1e0 [ 1068.168520] kmem_cache_alloc_node+0xe3/0x730 [ 1068.173011] ? __kmalloc_node_track_caller+0x50/0x70 [ 1068.178110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1068.183651] __alloc_skb+0x119/0x770 [ 1068.187358] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1068.192731] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1068.197144] ? vprintk_default+0x28/0x30 [ 1068.201206] ? vprintk_func+0x85/0x181 [ 1068.205089] ? printk+0xa7/0xcf [ 1068.208362] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1068.213120] ? do_raw_spin_trylock+0x270/0x270 [ 1068.217703] new_skb+0x26/0x1c0 [ 1068.220985] aoecmd_cfg+0x279/0x7f0 [ 1068.224618] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1068.228945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.234493] ? __lock_is_held+0xb5/0x140 [ 1068.238567] discover_timer+0x50/0x60 [ 1068.242360] call_timer_fn+0x272/0x920 [ 1068.246241] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1068.251077] ? process_timeout+0x40/0x40 [ 1068.255143] ? mark_held_locks+0xc7/0x130 [ 1068.259292] ? _raw_spin_unlock_irq+0x27/0x80 [ 1068.263783] ? _raw_spin_unlock_irq+0x27/0x80 [ 1068.268270] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1068.273114] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1068.277694] ? trace_hardirqs_on+0xbd/0x310 [ 1068.282010] ? kasan_check_read+0x11/0x20 [ 1068.286149] ? __run_timers+0x7da/0xc70 [ 1068.290117] ? trace_hardirqs_off_caller+0x310/0x310 [ 1068.295238] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1068.300079] __run_timers+0x7e5/0xc70 [ 1068.303884] ? timer_fixup_init+0x70/0x70 [ 1068.308035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1068.313050] ? zap_class+0x640/0x640 [ 1068.316767] ? print_usage_bug+0xc0/0xc0 [ 1068.320823] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1068.326014] ? find_held_lock+0x36/0x1c0 [ 1068.330073] ? zap_class+0x640/0x640 [ 1068.333785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.339332] ? check_preemption_disabled+0x48/0x280 [ 1068.344352] ? __lock_is_held+0xb5/0x140 [ 1068.348407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.353943] ? check_preemption_disabled+0x48/0x280 [ 1068.358959] run_timer_softirq+0x52/0xb0 [ 1068.363019] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1068.368034] __do_softirq+0x308/0xb7e [ 1068.371837] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1068.376326] ? lock_downgrade+0x900/0x900 [ 1068.380471] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1068.385578] ? pvclock_read_flags+0x160/0x160 [ 1068.390073] ? lapic_next_event+0x5a/0x90 [ 1068.394216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.399754] ? kvm_clock_read+0x18/0x30 [ 1068.403722] ? kvm_sched_clock_read+0x9/0x20 [ 1068.408130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.413660] ? check_preemption_disabled+0x48/0x280 [ 1068.418678] irq_exit+0x17f/0x1c0 [ 1068.422127] smp_apic_timer_interrupt+0x1cb/0x760 [ 1068.426967] ? smp_reschedule_interrupt+0x109/0x650 [ 1068.431983] ? smp_call_function_single_interrupt+0x650/0x650 [ 1068.437861] ? interrupt_entry+0xb5/0xc0 [ 1068.441925] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1068.446934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1068.451949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1068.456793] ? trace_hardirqs_on_caller+0x310/0x310 [ 1068.461807] ? trace_hardirqs_on_caller+0x310/0x310 [ 1068.466827] ? task_prio+0x50/0x50 [ 1068.470366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.475910] ? check_preemption_disabled+0x48/0x280 [ 1068.481115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1068.485964] apic_timer_interrupt+0xf/0x20 [ 1068.490185] [ 1068.492416] RIP: 0010:console_unlock+0x102f/0x1190 [ 1068.497341] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1068.516336] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1068.524039] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1068.531305] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1068.538568] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1068.545831] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1068.553093] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1068.560367] ? netconsole_netdev_event+0x280/0x280 [ 1068.565303] ? console_unlock+0x1026/0x1190 [ 1068.569734] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1068.574399] ? vprintk_emit+0x846/0x990 [ 1068.578375] ? lock_release+0xa00/0xa00 [ 1068.582365] ? trace_hardirqs_on+0x70/0x310 [ 1068.586682] ? vprintk_default+0x28/0x30 [ 1068.590738] ? trace_hardirqs_off_caller+0x310/0x310 [ 1068.595838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.601381] vprintk_emit+0x391/0x990 [ 1068.605183] ? wake_up_klogd+0x180/0x180 [ 1068.609253] ? find_held_lock+0x11/0x1c0 [ 1068.613325] ? mark_held_locks+0xc7/0x130 [ 1068.617467] ? _raw_spin_unlock_irq+0x27/0x80 [ 1068.621956] ? _raw_spin_unlock_irq+0x27/0x80 [ 1068.626454] vprintk_default+0x28/0x30 [ 1068.630343] vprintk_func+0x7e/0x181 [ 1068.634052] printk+0xa7/0xcf [ 1068.637164] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1068.641917] ? _raw_spin_unlock_irq+0x60/0x80 [ 1068.646417] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1068.651701] dump_header+0x7cc/0xf72 [ 1068.655419] ? pagefault_out_of_memory+0x197/0x197 [ 1068.660350] ? __lock_acquire+0x62f/0x4c20 [ 1068.664681] ? print_usage_bug+0xc0/0xc0 [ 1068.668746] ? zap_class+0x640/0x640 [ 1068.672457] ? print_usage_bug+0xc0/0xc0 [ 1068.676519] ? print_usage_bug+0xc0/0xc0 [ 1068.680578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.686112] ? find_held_lock+0x36/0x1c0 [ 1068.690270] ? mark_held_locks+0xc7/0x130 [ 1068.694414] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1068.699512] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1068.704620] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1068.709202] ? trace_hardirqs_on+0xbd/0x310 [ 1068.713524] ? kasan_check_read+0x11/0x20 [ 1068.717669] ? ___ratelimit+0x3b4/0x672 [ 1068.721637] ? trace_hardirqs_off_caller+0x310/0x310 [ 1068.726823] ? trace_hardirqs_on+0x310/0x310 [ 1068.731230] ? lock_downgrade+0x900/0x900 [ 1068.735382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1068.740483] ? ___ratelimit+0x3b9/0x672 [ 1068.744458] ? idr_get_free+0xf70/0xf70 [ 1068.748428] ? find_held_lock+0x36/0x1c0 [ 1068.752495] oom_kill_process.cold.27+0x10/0x903 [ 1068.757252] ? zap_class+0x640/0x640 [ 1068.760961] ? check_preemption_disabled+0x48/0x280 [ 1068.765976] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1068.770898] ? kasan_check_read+0x11/0x20 [ 1068.775041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1068.780312] ? oom_evaluate_task+0x540/0x540 [ 1068.784718] ? find_held_lock+0x36/0x1c0 [ 1068.788780] ? out_of_memory+0x974/0x1430 [ 1068.792927] ? lock_downgrade+0x900/0x900 [ 1068.797070] ? check_preemption_disabled+0x48/0x280 [ 1068.802083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1068.807006] ? kasan_check_read+0x11/0x20 [ 1068.811149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1068.816423] ? rcu_softirq_qs+0x20/0x20 [ 1068.820394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1068.825932] ? oom_evaluate_task+0x302/0x540 [ 1068.830345] out_of_memory+0xa84/0x1430 [ 1068.834324] ? oom_killer_disable+0x3a0/0x3a0 [ 1068.838818] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1068.843748] ? __ww_mutex_check_waiters+0x160/0x160 [ 1068.848769] __alloc_pages_slowpath+0x2354/0x2e10 [ 1068.853633] ? warn_alloc+0x120/0x120 [ 1068.857427] ? mark_held_locks+0x130/0x130 [ 1068.861661] ? find_get_entry+0xaae/0x1120 [ 1068.865904] ? filemap_map_pages+0x1a20/0x1a20 [ 1068.870485] ? zap_class+0x640/0x640 [ 1068.874202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1068.879738] ? check_preemption_disabled+0x48/0x280 [ 1068.884754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1068.890287] ? should_fail+0x22d/0xd01 [ 1068.894172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1068.899274] ? zap_class+0x640/0x640 [ 1068.903010] ? __lock_is_held+0xb5/0x140 [ 1068.907073] ? mark_held_locks+0x130/0x130 [ 1068.911832] ? lock_release+0xa00/0xa00 [ 1068.915814] ? perf_trace_sched_process_exec+0x860/0x860 [ 1068.921262] ? xa_load+0x2ba/0x460 [ 1068.924802] ? lock_downgrade+0x900/0x900 [ 1068.928950] ? __might_sleep+0x95/0x190 [ 1068.933010] __alloc_pages_nodemask+0xa80/0xde0 [ 1068.937681] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1068.942694] ? __page_cache_alloc+0x191/0x5c0 [ 1068.947181] ? xa_load+0x2e1/0x460 [ 1068.950716] ? xa_clear_mark+0x40/0x40 [ 1068.954603] ? zap_class+0x640/0x640 [ 1068.958318] ? zap_class+0x640/0x640 [ 1068.962025] ? zap_class+0x640/0x640 [ 1068.965733] ? __do_page_cache_readahead+0x663/0x810 [ 1068.970839] ? find_held_lock+0x36/0x1c0 [ 1068.974905] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1068.980442] alloc_pages_current+0x173/0x350 [ 1068.984857] __page_cache_alloc+0x38c/0x5c0 [ 1068.989179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1068.994103] ? kasan_check_read+0x11/0x20 [ 1068.998332] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1069.003604] ? generic_perform_write+0x6a0/0x6a0 [ 1069.008354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1069.013889] ? check_preemption_disabled+0x48/0x280 [ 1069.018907] filemap_fault+0x1595/0x25f0 [ 1069.022976] ? __lock_page_or_retry+0xa00/0xa00 [ 1069.027643] ? mark_held_locks+0x130/0x130 [ 1069.031887] ? filemap_map_pages+0xd6b/0x1a20 [ 1069.036378] ? lock_downgrade+0x900/0x900 [ 1069.040522] ? check_preemption_disabled+0x48/0x280 [ 1069.045534] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1069.050461] ? kasan_check_read+0x11/0x20 [ 1069.054602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1069.059876] ? rcu_softirq_qs+0x20/0x20 [ 1069.063865] ? filemap_map_pages+0xd92/0x1a20 [ 1069.068367] ? find_get_entries_tag+0x1400/0x1400 [ 1069.073680] ? find_held_lock+0x36/0x1c0 [ 1069.077754] ? lock_acquire+0x1ed/0x520 [ 1069.081729] ? ext4_filemap_fault+0x7a/0xad [ 1069.086052] ? lock_release+0xa00/0xa00 [ 1069.090020] ? perf_trace_sched_process_exec+0x860/0x860 [ 1069.095466] ? print_usage_bug+0xc0/0xc0 [ 1069.099541] ? down_read+0x8d/0x120 [ 1069.103162] ? ext4_filemap_fault+0x7a/0xad [ 1069.107480] ? __down_interruptible+0x700/0x700 [ 1069.112148] ? find_held_lock+0x36/0x1c0 [ 1069.116215] ext4_filemap_fault+0x82/0xad [ 1069.120362] __do_fault+0x100/0x6b0 [ 1069.123991] ? lock_downgrade+0x900/0x900 [ 1069.128139] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1069.133244] ? kasan_check_read+0x11/0x20 [ 1069.137383] ? do_raw_spin_unlock+0xa7/0x330 [ 1069.141791] ? do_raw_spin_trylock+0x270/0x270 [ 1069.146384] __handle_mm_fault+0x3ea0/0x5be0 [ 1069.150786] ? perf_trace_lock+0x7a0/0x7a0 [ 1069.155028] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1069.159883] ? ksys_dup3+0x680/0x680 [ 1069.163604] ? zap_class+0x640/0x640 [ 1069.167312] ? zap_class+0x640/0x640 [ 1069.171024] ? __x64_sys_futex+0x53e/0x6a0 [ 1069.175260] ? find_held_lock+0x36/0x1c0 [ 1069.179328] ? handle_mm_fault+0x42a/0xc70 [ 1069.183594] ? lock_downgrade+0x900/0x900 [ 1069.187740] ? check_preemption_disabled+0x48/0x280 [ 1069.192758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1069.197691] ? kasan_check_read+0x11/0x20 [ 1069.201844] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1069.207119] ? rcu_softirq_qs+0x20/0x20 [ 1069.211089] ? trace_hardirqs_off_caller+0x310/0x310 [ 1069.216189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1069.222246] ? check_preemption_disabled+0x48/0x280 [ 1069.227264] handle_mm_fault+0x54f/0xc70 [ 1069.231323] ? __handle_mm_fault+0x5be0/0x5be0 [ 1069.235908] ? find_vma+0x34/0x190 [ 1069.239450] __do_page_fault+0x5e8/0xe60 [ 1069.243503] ? trace_hardirqs_off+0xb8/0x310 [ 1069.247910] ? kernel_write+0x120/0x120 [ 1069.251895] do_page_fault+0xf2/0x7e0 [ 1069.255723] ? vmalloc_sync_all+0x30/0x30 [ 1069.259869] ? error_entry+0x70/0xd0 [ 1069.263583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1069.268594] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1069.273518] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1069.278443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1069.283280] ? trace_hardirqs_on_caller+0x310/0x310 [ 1069.288294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1069.293744] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1069.298757] ? page_fault+0x8/0x30 [ 1069.302296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1069.307138] ? page_fault+0x8/0x30 [ 1069.310674] page_fault+0x1e/0x30 [ 1069.314126] RIP: 0033:0x404068 [ 1069.317339] Code: Bad RIP value. [ 1069.320695] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1069.326052] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1069.333314] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1069.340575] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1069.347843] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1069.355104] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1069.362403] warn_alloc_show_mem: 1 callbacks suppressed [ 1069.362414] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1069.362416] Mem-Info: [ 1069.362447] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1069.362447] active_file:12 inactive_file:9 isolated_file:0 [ 1069.362447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1069.362447] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1069.362447] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1069.362447] free:13627 free_pcp:121 free_cma:0 [ 1069.367785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1069.375069] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1069.377459] Call Trace: [ 1069.410319] 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 [ 1069.419674] dump_stack+0x244/0x39d [ 1069.447313] lowmem_reserve[]: 0 2818 6321 6321 [ 1069.449901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1069.475976] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1069.479610] warn_alloc.cold.116+0xb7/0x1bd [ 1069.484145] lowmem_reserve[]: 0 0 3503 3503 [ 1069.489331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1069.516635] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1069.520955] ? lock_downgrade+0x900/0x900 [ 1069.525254] lowmem_reserve[]: 0 0 0 0 [ 1069.530101] ? trace_hardirqs_off+0xb8/0x310 [ 1069.558778] 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 [ 1069.562930] ? trace_hardirqs_off+0xb8/0x310 [ 1069.566696] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1069.571103] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1069.584585] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1069.589025] ? warn_alloc+0x120/0x120 [ 1069.604581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1069.609408] ? warn_alloc+0x120/0x120 [ 1069.622477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1069.626261] ? dev_hard_start_xmit+0x42c/0xc80 [ 1069.635068] 4359 total pagecache pages [ 1069.638858] ? warn_alloc+0x120/0x120 [ 1069.647413] 0 pages in swap cache [ 1069.651979] ? print_usage_bug+0xc0/0xc0 [ 1069.655838] Swap cache stats: add 0, delete 0, find 0/0 [ 1069.659624] ? find_held_lock+0x36/0x1c0 [ 1069.663045] Free swap = 0kB [ 1069.667095] ? print_usage_bug+0xc0/0xc0 [ 1069.672429] Total swap = 0kB [ 1069.676479] ? cpuacct_charge+0x265/0x440 [ 1069.679467] 1965979 pages RAM [ 1069.683518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1069.686519] 0 pages HighMem/MovableOnly [ 1069.690656] ? should_fail+0x22d/0xd01 [ 1069.693733] 342854 pages reserved [ 1069.699256] ? find_held_lock+0x36/0x1c0 [ 1069.703202] 0 pages cma reserved [ 1069.707079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1069.710572] aoe: skb alloc failure [ 1069.714551] ? __lock_acquire+0x62f/0x4c20 [ 1069.717942] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1069.722987] ? should_fail+0x22d/0xd01 [ 1069.726495] syz-fuzzer cpuset=/ mems_allowed=0 [ 1069.730728] ? mark_held_locks+0x130/0x130 [ 1069.753586] ? mark_held_locks+0x130/0x130 [ 1069.757829] ? __lock_acquire+0x62f/0x4c20 [ 1069.762070] ? zap_class+0x640/0x640 [ 1069.765779] ? __lock_is_held+0xb5/0x140 [ 1069.769849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1069.775392] ? check_preemption_disabled+0x48/0x280 [ 1069.780413] ? __lock_is_held+0xb5/0x140 [ 1069.784481] __alloc_pages_nodemask+0xa80/0xde0 [ 1069.789149] ? zap_class+0x640/0x640 [ 1069.792865] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1069.797888] ? find_held_lock+0x36/0x1c0 [ 1069.801957] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1069.806626] ? lock_downgrade+0x900/0x900 [ 1069.810792] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1069.816331] cache_grow_begin+0xa5/0x8c0 [ 1069.820386] ? do_raw_spin_unlock+0xa7/0x330 [ 1069.824806] fallback_alloc+0x204/0x2e0 [ 1069.828791] ____cache_alloc_node+0x1c7/0x1e0 [ 1069.833290] kmem_cache_alloc+0x1f8/0x730 [ 1069.837453] skb_clone+0x1bb/0x500 [ 1069.840991] ? finish_task_switch+0x2f4/0x910 [ 1069.845485] ? skb_split+0x11e0/0x11e0 [ 1069.849370] ? preempt_notifier_register+0x200/0x200 [ 1069.854468] ? __switch_to_asm+0x34/0x70 [ 1069.858522] ? __switch_to_asm+0x34/0x70 [ 1069.862581] ? __switch_to_asm+0x40/0x70 [ 1069.866637] ? __switch_to_asm+0x34/0x70 [ 1069.870695] ? __switch_to_asm+0x40/0x70 [ 1069.874749] ? __switch_to_asm+0x34/0x70 [ 1069.878812] ? __switch_to_asm+0x40/0x70 [ 1069.882869] ? __switch_to_asm+0x34/0x70 [ 1069.886933] ? __switch_to_asm+0x34/0x70 [ 1069.890986] ? __switch_to_asm+0x40/0x70 [ 1069.895040] ? __switch_to_asm+0x34/0x70 [ 1069.899627] bpf_clone_redirect+0xb9/0x490 [ 1069.903861] ? __schedule+0x8d7/0x21d0 [ 1069.907756] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1069.912789] ? __sched_text_start+0x8/0x8 [ 1069.916949] ? find_held_lock+0x36/0x1c0 [ 1069.921020] ? lock_acquire+0x1ed/0x520 [ 1069.924989] ? bpf_test_run+0x3cb/0x780 [ 1069.928960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1069.934500] ? check_preemption_disabled+0x48/0x280 [ 1069.939518] ? kasan_check_read+0x11/0x20 [ 1069.943667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1069.948944] ? rcu_softirq_qs+0x20/0x20 [ 1069.952914] ? preempt_schedule+0x4d/0x60 [ 1069.957057] ? ___preempt_schedule+0x16/0x18 [ 1069.961475] ? bpf_test_run+0x25d/0x780 [ 1069.965461] ? netlink_diag_dump+0x2a0/0x2a0 [ 1069.969872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1069.975407] ? bpf_test_init.isra.10+0x70/0x100 [ 1069.980083] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1069.984850] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1069.989786] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1069.995324] ? fput+0x130/0x1a0 [ 1069.998604] ? __bpf_prog_get+0x9b/0x290 [ 1070.002673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1070.007510] ? bpf_prog_test_run+0x130/0x1a0 [ 1070.011919] ? __x64_sys_bpf+0x3d8/0x520 [ 1070.015980] ? bpf_prog_get+0x20/0x20 [ 1070.019808] ? do_syscall_64+0x1b9/0x820 [ 1070.023865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1070.029230] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1070.034156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1070.039001] ? trace_hardirqs_on_caller+0x310/0x310 [ 1070.044019] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1070.049035] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1070.054055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1070.058904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1070.064284] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1070.064654] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1070.071295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1070.082260] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1070.091598] Call Trace: [ 1070.099251] [ 1070.101410] dump_stack+0x244/0x39d [ 1070.105037] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1070.110236] warn_alloc.cold.116+0xb7/0x1bd [ 1070.114553] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1070.119398] ? lock_downgrade+0x900/0x900 [ 1070.123551] ? trace_hardirqs_off+0xb8/0x310 [ 1070.127959] ? trace_hardirqs_off+0xb8/0x310 [ 1070.132374] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1070.137241] ? warn_alloc+0x120/0x120 [ 1070.141046] ? warn_alloc+0x120/0x120 [ 1070.144852] ? warn_alloc+0x120/0x120 [ 1070.148650] ? print_usage_bug+0xc0/0xc0 [ 1070.152711] ? print_usage_bug+0xc0/0xc0 [ 1070.156771] ? ktime_get+0x2c1/0x400 [ 1070.160486] ? check_preemption_disabled+0x48/0x280 [ 1070.165494] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1070.169989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1070.175521] ? should_fail+0x22d/0xd01 [ 1070.179447] ? kasan_check_read+0x11/0x20 [ 1070.183591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1070.188690] ? __lock_acquire+0x62f/0x4c20 [ 1070.192922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1070.198018] ? should_fail+0x22d/0xd01 [ 1070.201900] ? print_usage_bug+0xc0/0xc0 [ 1070.205966] ? mark_held_locks+0x130/0x130 [ 1070.210201] ? mark_held_locks+0x130/0x130 [ 1070.214435] ? check_preemption_disabled+0x48/0x280 [ 1070.219453] ? zap_class+0x640/0x640 [ 1070.223165] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1070.227920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.233461] ? check_preemption_disabled+0x48/0x280 [ 1070.238482] ? __lock_is_held+0xb5/0x140 [ 1070.242547] __alloc_pages_nodemask+0xa80/0xde0 [ 1070.247210] ? zap_class+0x640/0x640 [ 1070.250923] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1070.255949] ? find_held_lock+0x36/0x1c0 [ 1070.260013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1070.264678] ? lock_downgrade+0x900/0x900 [ 1070.268829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.274367] cache_grow_begin+0xa5/0x8c0 [ 1070.278420] ? do_raw_spin_unlock+0xa7/0x330 [ 1070.282832] fallback_alloc+0x204/0x2e0 [ 1070.286812] ____cache_alloc_node+0x1c7/0x1e0 [ 1070.291310] kmem_cache_alloc_node+0xe3/0x730 [ 1070.296138] ? __kmalloc_node_track_caller+0x50/0x70 [ 1070.301240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1070.306784] __alloc_skb+0x119/0x770 [ 1070.310491] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1070.316033] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1070.320443] ? vprintk_default+0x28/0x30 [ 1070.324503] ? vprintk_func+0x85/0x181 [ 1070.328389] ? printk+0xa7/0xcf [ 1070.331664] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1070.336416] ? do_raw_spin_trylock+0x270/0x270 [ 1070.341000] new_skb+0x26/0x1c0 [ 1070.344278] aoecmd_cfg+0x279/0x7f0 [ 1070.347906] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1070.352229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.357781] ? __lock_is_held+0xb5/0x140 [ 1070.361847] discover_timer+0x50/0x60 [ 1070.365643] call_timer_fn+0x272/0x920 [ 1070.369527] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1070.374368] ? process_timeout+0x40/0x40 [ 1070.378437] ? mark_held_locks+0xc7/0x130 [ 1070.382583] ? _raw_spin_unlock_irq+0x27/0x80 [ 1070.387072] ? _raw_spin_unlock_irq+0x27/0x80 [ 1070.391564] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1070.396400] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1070.400982] ? trace_hardirqs_on+0xbd/0x310 [ 1070.405297] ? kasan_check_read+0x11/0x20 [ 1070.409440] ? __run_timers+0x7da/0xc70 [ 1070.413415] ? trace_hardirqs_off_caller+0x310/0x310 [ 1070.418528] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1070.423363] __run_timers+0x7e5/0xc70 [ 1070.427167] ? timer_fixup_init+0x70/0x70 [ 1070.431311] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1070.436325] ? zap_class+0x640/0x640 [ 1070.440038] ? print_usage_bug+0xc0/0xc0 [ 1070.444094] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1070.449290] ? find_held_lock+0x36/0x1c0 [ 1070.453351] ? zap_class+0x640/0x640 [ 1070.457067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.462600] ? check_preemption_disabled+0x48/0x280 [ 1070.467619] ? __lock_is_held+0xb5/0x140 [ 1070.471676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.477206] ? check_preemption_disabled+0x48/0x280 [ 1070.482224] run_timer_softirq+0x52/0xb0 [ 1070.486281] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1070.491295] __do_softirq+0x308/0xb7e [ 1070.495091] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1070.499581] ? lock_downgrade+0x900/0x900 [ 1070.503726] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1070.508847] ? pvclock_read_flags+0x160/0x160 [ 1070.513349] ? lapic_next_event+0x5a/0x90 [ 1070.517495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.523031] ? kvm_clock_read+0x18/0x30 [ 1070.526999] ? kvm_sched_clock_read+0x9/0x20 [ 1070.531402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.536937] ? check_preemption_disabled+0x48/0x280 [ 1070.541958] irq_exit+0x17f/0x1c0 [ 1070.545406] smp_apic_timer_interrupt+0x1cb/0x760 [ 1070.550241] ? smp_reschedule_interrupt+0x109/0x650 [ 1070.555255] ? smp_call_function_single_interrupt+0x650/0x650 [ 1070.561132] ? interrupt_entry+0xb5/0xc0 [ 1070.565203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1070.570213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1070.575222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1070.580064] ? trace_hardirqs_on_caller+0x310/0x310 [ 1070.585078] ? trace_hardirqs_on_caller+0x310/0x310 [ 1070.590098] ? task_prio+0x50/0x50 [ 1070.593634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.599165] ? check_preemption_disabled+0x48/0x280 [ 1070.604179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1070.609025] apic_timer_interrupt+0xf/0x20 [ 1070.613256] [ 1070.615493] RIP: 0010:console_unlock+0x102f/0x1190 [ 1070.620425] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1070.639327] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1070.647028] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1070.654290] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1070.661555] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1070.668816] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1070.676079] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1070.683356] ? netconsole_netdev_event+0x280/0x280 [ 1070.688301] ? console_unlock+0x1026/0x1190 [ 1070.692642] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1070.697649] ? vprintk_emit+0x846/0x990 [ 1070.701622] ? lock_release+0xa00/0xa00 [ 1070.705595] ? trace_hardirqs_on+0x70/0x310 [ 1070.709910] ? vprintk_default+0x28/0x30 [ 1070.713966] ? trace_hardirqs_off_caller+0x310/0x310 [ 1070.719065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.724606] vprintk_emit+0x391/0x990 [ 1070.728410] ? wake_up_klogd+0x180/0x180 [ 1070.732470] ? find_held_lock+0x11/0x1c0 [ 1070.736539] ? mark_held_locks+0xc7/0x130 [ 1070.740685] ? _raw_spin_unlock_irq+0x27/0x80 [ 1070.745178] ? _raw_spin_unlock_irq+0x27/0x80 [ 1070.749674] vprintk_default+0x28/0x30 [ 1070.753557] vprintk_func+0x7e/0x181 [ 1070.757267] printk+0xa7/0xcf [ 1070.760368] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1070.765123] ? _raw_spin_unlock_irq+0x60/0x80 [ 1070.769625] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1070.774908] dump_header+0x7cc/0xf72 [ 1070.778629] ? pagefault_out_of_memory+0x197/0x197 [ 1070.783564] ? __lock_acquire+0x62f/0x4c20 [ 1070.787800] ? print_usage_bug+0xc0/0xc0 [ 1070.791866] ? zap_class+0x640/0x640 [ 1070.795580] ? print_usage_bug+0xc0/0xc0 [ 1070.800081] ? print_usage_bug+0xc0/0xc0 [ 1070.804141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1070.809675] ? find_held_lock+0x36/0x1c0 [ 1070.813750] ? mark_held_locks+0xc7/0x130 [ 1070.817898] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1070.822994] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1070.828095] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1070.832677] ? trace_hardirqs_on+0xbd/0x310 [ 1070.837002] ? kasan_check_read+0x11/0x20 [ 1070.841143] ? ___ratelimit+0x3b4/0x672 [ 1070.845113] ? trace_hardirqs_off_caller+0x310/0x310 [ 1070.850212] ? trace_hardirqs_on+0x310/0x310 [ 1070.854616] ? lock_downgrade+0x900/0x900 [ 1070.858765] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1070.863863] ? ___ratelimit+0x3b9/0x672 [ 1070.867832] ? idr_get_free+0xf70/0xf70 [ 1070.871810] ? find_held_lock+0x36/0x1c0 [ 1070.875877] oom_kill_process.cold.27+0x10/0x903 [ 1070.880627] ? zap_class+0x640/0x640 [ 1070.884335] ? check_preemption_disabled+0x48/0x280 [ 1070.889349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1070.894275] ? kasan_check_read+0x11/0x20 [ 1070.898420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1070.903704] ? oom_evaluate_task+0x540/0x540 [ 1070.908113] ? find_held_lock+0x36/0x1c0 [ 1070.912729] ? out_of_memory+0x974/0x1430 [ 1070.916901] ? lock_downgrade+0x900/0x900 [ 1070.921043] ? check_preemption_disabled+0x48/0x280 [ 1070.926069] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1070.930991] ? kasan_check_read+0x11/0x20 [ 1070.935135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1070.940409] ? rcu_softirq_qs+0x20/0x20 [ 1070.944383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1070.949912] ? oom_evaluate_task+0x302/0x540 [ 1070.954325] out_of_memory+0xa84/0x1430 [ 1070.958301] ? oom_killer_disable+0x3a0/0x3a0 [ 1070.962798] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1070.967733] ? __ww_mutex_check_waiters+0x160/0x160 [ 1070.972757] __alloc_pages_slowpath+0x2354/0x2e10 [ 1070.977622] ? warn_alloc+0x120/0x120 [ 1070.981415] ? mark_held_locks+0x130/0x130 [ 1070.985649] ? find_get_entry+0xaae/0x1120 [ 1070.989897] ? filemap_map_pages+0x1a20/0x1a20 [ 1070.994476] ? zap_class+0x640/0x640 [ 1070.998189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1071.003725] ? check_preemption_disabled+0x48/0x280 [ 1071.008750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1071.014284] ? should_fail+0x22d/0xd01 [ 1071.018172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1071.023331] ? zap_class+0x640/0x640 [ 1071.027070] ? __lock_is_held+0xb5/0x140 [ 1071.031139] ? mark_held_locks+0x130/0x130 [ 1071.035373] ? lock_release+0xa00/0xa00 [ 1071.039341] ? perf_trace_sched_process_exec+0x860/0x860 [ 1071.044787] ? xa_load+0x2ba/0x460 [ 1071.048324] ? lock_downgrade+0x900/0x900 [ 1071.052472] ? __might_sleep+0x95/0x190 [ 1071.056447] __alloc_pages_nodemask+0xa80/0xde0 [ 1071.061118] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1071.066128] ? __page_cache_alloc+0x191/0x5c0 [ 1071.070617] ? xa_load+0x2e1/0x460 [ 1071.074154] ? xa_clear_mark+0x40/0x40 [ 1071.078124] ? zap_class+0x640/0x640 [ 1071.081841] ? zap_class+0x640/0x640 [ 1071.085552] ? zap_class+0x640/0x640 [ 1071.089265] ? __do_page_cache_readahead+0x663/0x810 [ 1071.094368] ? find_held_lock+0x36/0x1c0 [ 1071.098430] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1071.104142] alloc_pages_current+0x173/0x350 [ 1071.108554] __page_cache_alloc+0x38c/0x5c0 [ 1071.112867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1071.117794] ? kasan_check_read+0x11/0x20 [ 1071.121937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1071.127209] ? generic_perform_write+0x6a0/0x6a0 [ 1071.131964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1071.137495] ? check_preemption_disabled+0x48/0x280 [ 1071.142512] filemap_fault+0x1595/0x25f0 [ 1071.146578] ? __lock_page_or_retry+0xa00/0xa00 [ 1071.151244] ? mark_held_locks+0x130/0x130 [ 1071.155485] ? filemap_map_pages+0xd6b/0x1a20 [ 1071.159975] ? lock_downgrade+0x900/0x900 [ 1071.164203] ? check_preemption_disabled+0x48/0x280 [ 1071.169220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1071.174143] ? kasan_check_read+0x11/0x20 [ 1071.178287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1071.183561] ? rcu_softirq_qs+0x20/0x20 [ 1071.187543] ? filemap_map_pages+0xd92/0x1a20 [ 1071.192057] ? find_get_entries_tag+0x1400/0x1400 [ 1071.196891] ? find_held_lock+0x36/0x1c0 [ 1071.200966] ? lock_acquire+0x1ed/0x520 [ 1071.204934] ? ext4_filemap_fault+0x7a/0xad [ 1071.209256] ? lock_release+0xa00/0xa00 [ 1071.213224] ? perf_trace_sched_process_exec+0x860/0x860 [ 1071.218680] ? print_usage_bug+0xc0/0xc0 [ 1071.222752] ? down_read+0x8d/0x120 [ 1071.226372] ? ext4_filemap_fault+0x7a/0xad [ 1071.230778] ? __down_interruptible+0x700/0x700 [ 1071.235534] ? find_held_lock+0x36/0x1c0 [ 1071.239593] ext4_filemap_fault+0x82/0xad [ 1071.243744] __do_fault+0x100/0x6b0 [ 1071.247369] ? lock_downgrade+0x900/0x900 [ 1071.251511] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1071.256612] ? kasan_check_read+0x11/0x20 [ 1071.260754] ? do_raw_spin_unlock+0xa7/0x330 [ 1071.265155] ? do_raw_spin_trylock+0x270/0x270 [ 1071.269748] __handle_mm_fault+0x3ea0/0x5be0 [ 1071.274152] ? perf_trace_lock+0x7a0/0x7a0 [ 1071.278390] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1071.283238] ? ksys_dup3+0x680/0x680 [ 1071.286963] ? zap_class+0x640/0x640 [ 1071.290677] ? zap_class+0x640/0x640 [ 1071.294384] ? __x64_sys_futex+0x53e/0x6a0 [ 1071.298622] ? find_held_lock+0x36/0x1c0 [ 1071.302695] ? handle_mm_fault+0x42a/0xc70 [ 1071.306926] ? lock_downgrade+0x900/0x900 [ 1071.311065] ? check_preemption_disabled+0x48/0x280 [ 1071.316084] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1071.321007] ? kasan_check_read+0x11/0x20 [ 1071.325150] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1071.330419] ? rcu_softirq_qs+0x20/0x20 [ 1071.334389] ? trace_hardirqs_off_caller+0x310/0x310 [ 1071.339487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1071.345017] ? check_preemption_disabled+0x48/0x280 [ 1071.350040] handle_mm_fault+0x54f/0xc70 [ 1071.354102] ? __handle_mm_fault+0x5be0/0x5be0 [ 1071.358691] ? find_vma+0x34/0x190 [ 1071.362233] __do_page_fault+0x5e8/0xe60 [ 1071.366287] ? trace_hardirqs_off+0xb8/0x310 [ 1071.370695] ? kernel_write+0x120/0x120 [ 1071.374679] do_page_fault+0xf2/0x7e0 [ 1071.378477] ? vmalloc_sync_all+0x30/0x30 [ 1071.382617] ? error_entry+0x70/0xd0 [ 1071.386326] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1071.391337] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1071.396260] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1071.401183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1071.406028] ? trace_hardirqs_on_caller+0x310/0x310 [ 1071.411040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1071.416489] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1071.421499] ? page_fault+0x8/0x30 [ 1071.425041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1071.429878] ? page_fault+0x8/0x30 [ 1071.433416] page_fault+0x1e/0x30 [ 1071.436860] RIP: 0033:0x404068 [ 1071.440060] Code: Bad RIP value. [ 1071.443415] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1071.448772] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1071.456036] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1071.463298] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1071.470559] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1071.477819] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1071.485101] warn_alloc_show_mem: 1 callbacks suppressed [ 1071.485112] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1071.485114] Mem-Info: [ 1071.485144] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1071.485144] active_file:12 inactive_file:9 isolated_file:0 [ 1071.485144] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1071.485144] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1071.485144] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1071.485144] free:13627 free_pcp:121 free_cma:0 [ 1071.490474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1071.490482] Call Trace: [ 1071.497759] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1071.500160] dump_stack+0x244/0x39d [ 1071.533005] 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 [ 1071.542360] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1071.544907] lowmem_reserve[]: 0 2818 6321 6321 [ 1071.572591] warn_alloc.cold.116+0xb7/0x1bd [ 1071.576180] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1071.602284] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1071.607440] lowmem_reserve[]: 0 0 3503 3503 [ 1071.612012] ? lock_downgrade+0x900/0x900 [ 1071.616305] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1071.643629] ? trace_hardirqs_off+0xb8/0x310 [ 1071.648436] lowmem_reserve[]: 0 0 0 0 [ 1071.652755] ? trace_hardirqs_off+0xb8/0x310 [ 1071.656876] 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 [ 1071.685682] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1071.690057] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1071.693876] ? warn_alloc+0x120/0x120 [ 1071.698229] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1071.711744] ? warn_alloc+0x120/0x120 [ 1071.716562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1071.732153] ? dev_hard_start_xmit+0x42c/0xc80 [ 1071.735931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1071.749004] ? warn_alloc+0x120/0x120 [ 1071.752783] 4359 total pagecache pages [ 1071.761604] ? print_usage_bug+0xc0/0xc0 [ 1071.766162] 0 pages in swap cache [ 1071.774731] ? find_held_lock+0x36/0x1c0 [ 1071.778502] Swap cache stats: add 0, delete 0, find 0/0 [ 1071.778510] Free swap = 0kB [ 1071.782386] ? print_usage_bug+0xc0/0xc0 [ 1071.786466] Total swap = 0kB [ 1071.789910] ? cpuacct_charge+0x265/0x440 [ 1071.793938] 1965979 pages RAM [ 1071.799984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1071.802967] 0 pages HighMem/MovableOnly [ 1071.802975] 342854 pages reserved [ 1071.807028] ? should_fail+0x22d/0xd01 [ 1071.810007] 0 pages cma reserved [ 1071.810069] aoe: skb alloc failure [ 1071.814145] ? find_held_lock+0x36/0x1c0 [ 1071.814167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1071.817296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1071.822768] ? __lock_acquire+0x62f/0x4c20 [ 1071.826715] syz-fuzzer cpuset=/ mems_allowed=0 [ 1071.830159] ? should_fail+0x22d/0xd01 [ 1071.872886] ? mark_held_locks+0x130/0x130 [ 1071.877121] ? mark_held_locks+0x130/0x130 [ 1071.881356] ? __lock_acquire+0x62f/0x4c20 [ 1071.885601] ? zap_class+0x640/0x640 [ 1071.889315] ? __lock_is_held+0xb5/0x140 [ 1071.893376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1071.898909] ? check_preemption_disabled+0x48/0x280 [ 1071.903930] ? __lock_is_held+0xb5/0x140 [ 1071.907994] __alloc_pages_nodemask+0xa80/0xde0 [ 1071.912662] ? zap_class+0x640/0x640 [ 1071.916378] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1071.921405] ? find_held_lock+0x36/0x1c0 [ 1071.925475] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1071.930147] ? lock_downgrade+0x900/0x900 [ 1071.934299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1071.939842] cache_grow_begin+0xa5/0x8c0 [ 1071.943897] ? do_raw_spin_unlock+0xa7/0x330 [ 1071.948312] fallback_alloc+0x204/0x2e0 [ 1071.952288] ____cache_alloc_node+0x1c7/0x1e0 [ 1071.956786] kmem_cache_alloc+0x1f8/0x730 [ 1071.960942] skb_clone+0x1bb/0x500 [ 1071.964486] ? finish_task_switch+0x2f4/0x910 [ 1071.968977] ? skb_split+0x11e0/0x11e0 [ 1071.972864] ? preempt_notifier_register+0x200/0x200 [ 1071.977961] ? __switch_to_asm+0x34/0x70 [ 1071.982018] ? __switch_to_asm+0x34/0x70 [ 1071.986074] ? __switch_to_asm+0x40/0x70 [ 1071.990130] ? __switch_to_asm+0x34/0x70 [ 1071.994188] ? __switch_to_asm+0x40/0x70 [ 1071.998244] ? __switch_to_asm+0x34/0x70 [ 1072.002299] ? __switch_to_asm+0x40/0x70 [ 1072.006355] ? __switch_to_asm+0x34/0x70 [ 1072.010415] ? __switch_to_asm+0x34/0x70 [ 1072.014471] ? __switch_to_asm+0x40/0x70 [ 1072.018529] ? __switch_to_asm+0x34/0x70 [ 1072.022598] bpf_clone_redirect+0xb9/0x490 [ 1072.026837] ? __schedule+0x8d7/0x21d0 [ 1072.030730] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1072.035748] ? __sched_text_start+0x8/0x8 [ 1072.039909] ? find_held_lock+0x36/0x1c0 [ 1072.043975] ? lock_acquire+0x1ed/0x520 [ 1072.047959] ? bpf_test_run+0x3cb/0x780 [ 1072.051932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.057474] ? check_preemption_disabled+0x48/0x280 [ 1072.062498] ? kasan_check_read+0x11/0x20 [ 1072.066645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1072.071921] ? rcu_softirq_qs+0x20/0x20 [ 1072.075901] ? preempt_schedule+0x4d/0x60 [ 1072.080566] ? ___preempt_schedule+0x16/0x18 [ 1072.084993] ? bpf_test_run+0x25d/0x780 [ 1072.088980] ? netlink_diag_dump+0x2a0/0x2a0 [ 1072.093392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1072.098927] ? bpf_test_init.isra.10+0x70/0x100 [ 1072.103612] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1072.108380] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1072.113231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1072.118771] ? fput+0x130/0x1a0 [ 1072.122047] ? __bpf_prog_get+0x9b/0x290 [ 1072.126111] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1072.130951] ? bpf_prog_test_run+0x130/0x1a0 [ 1072.135365] ? __x64_sys_bpf+0x3d8/0x520 [ 1072.139422] ? bpf_prog_get+0x20/0x20 [ 1072.143238] ? do_syscall_64+0x1b9/0x820 [ 1072.147296] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1072.152657] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1072.157581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1072.162433] ? trace_hardirqs_on_caller+0x310/0x310 [ 1072.168005] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1072.173038] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1072.178058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1072.182932] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1072.188325] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1072.188701] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1072.195340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1072.205807] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1072.215143] Call Trace: [ 1072.222793] [ 1072.224947] dump_stack+0x244/0x39d [ 1072.228582] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1072.233788] warn_alloc.cold.116+0xb7/0x1bd [ 1072.238105] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1072.242946] ? lock_downgrade+0x900/0x900 [ 1072.247099] ? trace_hardirqs_off+0xb8/0x310 [ 1072.251511] ? trace_hardirqs_off+0xb8/0x310 [ 1072.256020] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1072.260883] ? warn_alloc+0x120/0x120 [ 1072.264683] ? warn_alloc+0x120/0x120 [ 1072.268483] ? warn_alloc+0x120/0x120 [ 1072.272279] ? print_usage_bug+0xc0/0xc0 [ 1072.276337] ? print_usage_bug+0xc0/0xc0 [ 1072.280391] ? ktime_get+0x2c1/0x400 [ 1072.284105] ? check_preemption_disabled+0x48/0x280 [ 1072.289113] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1072.293617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1072.299152] ? should_fail+0x22d/0xd01 [ 1072.303032] ? kasan_check_read+0x11/0x20 [ 1072.307184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1072.312296] ? __lock_acquire+0x62f/0x4c20 [ 1072.316531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1072.321629] ? should_fail+0x22d/0xd01 [ 1072.325515] ? print_usage_bug+0xc0/0xc0 [ 1072.329579] ? mark_held_locks+0x130/0x130 [ 1072.333822] ? mark_held_locks+0x130/0x130 [ 1072.338052] ? check_preemption_disabled+0x48/0x280 [ 1072.343074] ? zap_class+0x640/0x640 [ 1072.346786] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1072.351538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.357069] ? check_preemption_disabled+0x48/0x280 [ 1072.362091] ? __lock_is_held+0xb5/0x140 [ 1072.366150] __alloc_pages_nodemask+0xa80/0xde0 [ 1072.370812] ? zap_class+0x640/0x640 [ 1072.374525] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1072.379550] ? find_held_lock+0x36/0x1c0 [ 1072.383625] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1072.388292] ? lock_downgrade+0x900/0x900 [ 1072.392440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.397981] cache_grow_begin+0xa5/0x8c0 [ 1072.402034] ? do_raw_spin_unlock+0xa7/0x330 [ 1072.406444] fallback_alloc+0x204/0x2e0 [ 1072.410420] ____cache_alloc_node+0x1c7/0x1e0 [ 1072.414918] kmem_cache_alloc_node+0xe3/0x730 [ 1072.419411] ? __kmalloc_node_track_caller+0x50/0x70 [ 1072.424510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1072.430055] __alloc_skb+0x119/0x770 [ 1072.433763] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1072.439129] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1072.443538] ? vprintk_default+0x28/0x30 [ 1072.447601] ? vprintk_func+0x85/0x181 [ 1072.451483] ? printk+0xa7/0xcf [ 1072.454759] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1072.459515] ? do_raw_spin_trylock+0x270/0x270 [ 1072.464096] new_skb+0x26/0x1c0 [ 1072.467373] aoecmd_cfg+0x279/0x7f0 [ 1072.471002] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1072.475328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.480873] ? __lock_is_held+0xb5/0x140 [ 1072.484950] discover_timer+0x50/0x60 [ 1072.488744] call_timer_fn+0x272/0x920 [ 1072.492626] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1072.497463] ? process_timeout+0x40/0x40 [ 1072.501526] ? mark_held_locks+0xc7/0x130 [ 1072.505675] ? _raw_spin_unlock_irq+0x27/0x80 [ 1072.510167] ? _raw_spin_unlock_irq+0x27/0x80 [ 1072.514659] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1072.519496] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1072.524073] ? trace_hardirqs_on+0xbd/0x310 [ 1072.528388] ? kasan_check_read+0x11/0x20 [ 1072.532527] ? __run_timers+0x7da/0xc70 [ 1072.536496] ? trace_hardirqs_off_caller+0x310/0x310 [ 1072.541617] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1072.546455] __run_timers+0x7e5/0xc70 [ 1072.550259] ? timer_fixup_init+0x70/0x70 [ 1072.554407] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1072.559421] ? zap_class+0x640/0x640 [ 1072.563133] ? print_usage_bug+0xc0/0xc0 [ 1072.567190] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1072.572381] ? find_held_lock+0x36/0x1c0 [ 1072.576442] ? zap_class+0x640/0x640 [ 1072.580165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.585701] ? check_preemption_disabled+0x48/0x280 [ 1072.590719] ? __lock_is_held+0xb5/0x140 [ 1072.594779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.600311] ? check_preemption_disabled+0x48/0x280 [ 1072.605330] run_timer_softirq+0x52/0xb0 [ 1072.609388] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1072.614401] __do_softirq+0x308/0xb7e [ 1072.618201] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1072.622689] ? lock_downgrade+0x900/0x900 [ 1072.626835] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1072.631945] ? pvclock_read_flags+0x160/0x160 [ 1072.636436] ? lapic_next_event+0x5a/0x90 [ 1072.640591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.646130] ? kvm_clock_read+0x18/0x30 [ 1072.650097] ? kvm_sched_clock_read+0x9/0x20 [ 1072.654501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.660034] ? check_preemption_disabled+0x48/0x280 [ 1072.665067] irq_exit+0x17f/0x1c0 [ 1072.668519] smp_apic_timer_interrupt+0x1cb/0x760 [ 1072.673353] ? smp_reschedule_interrupt+0x109/0x650 [ 1072.678366] ? smp_call_function_single_interrupt+0x650/0x650 [ 1072.684244] ? interrupt_entry+0xb5/0xc0 [ 1072.688300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1072.693307] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1072.698320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1072.703161] ? trace_hardirqs_on_caller+0x310/0x310 [ 1072.708170] ? trace_hardirqs_on_caller+0x310/0x310 [ 1072.713179] ? task_prio+0x50/0x50 [ 1072.716718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.722258] ? check_preemption_disabled+0x48/0x280 [ 1072.727276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1072.732120] apic_timer_interrupt+0xf/0x20 [ 1072.736344] [ 1072.738585] RIP: 0010:console_unlock+0x102f/0x1190 [ 1072.743514] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1072.762407] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1072.770111] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1072.777372] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1072.784633] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1072.791900] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1072.799163] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1072.806518] ? netconsole_netdev_event+0x280/0x280 [ 1072.811453] ? console_unlock+0x1026/0x1190 [ 1072.815789] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1072.820448] ? vprintk_emit+0x846/0x990 [ 1072.824425] ? lock_release+0xa00/0xa00 [ 1072.828395] ? trace_hardirqs_on+0x70/0x310 [ 1072.832712] ? vprintk_default+0x28/0x30 [ 1072.836768] ? trace_hardirqs_off_caller+0x310/0x310 [ 1072.841869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.847410] vprintk_emit+0x391/0x990 [ 1072.851212] ? wake_up_klogd+0x180/0x180 [ 1072.855273] ? find_held_lock+0x11/0x1c0 [ 1072.859352] ? mark_held_locks+0xc7/0x130 [ 1072.863499] ? _raw_spin_unlock_irq+0x27/0x80 [ 1072.867989] ? _raw_spin_unlock_irq+0x27/0x80 [ 1072.872485] vprintk_default+0x28/0x30 [ 1072.876367] vprintk_func+0x7e/0x181 [ 1072.880079] printk+0xa7/0xcf [ 1072.883180] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1072.887933] ? _raw_spin_unlock_irq+0x60/0x80 [ 1072.892440] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1072.897717] dump_header+0x7cc/0xf72 [ 1072.901440] ? pagefault_out_of_memory+0x197/0x197 [ 1072.906374] ? __lock_acquire+0x62f/0x4c20 [ 1072.911087] ? print_usage_bug+0xc0/0xc0 [ 1072.915152] ? zap_class+0x640/0x640 [ 1072.918866] ? print_usage_bug+0xc0/0xc0 [ 1072.922925] ? print_usage_bug+0xc0/0xc0 [ 1072.926984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1072.932519] ? find_held_lock+0x36/0x1c0 [ 1072.936588] ? mark_held_locks+0xc7/0x130 [ 1072.940734] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1072.945832] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1072.950929] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1072.955514] ? trace_hardirqs_on+0xbd/0x310 [ 1072.959834] ? kasan_check_read+0x11/0x20 [ 1072.963975] ? ___ratelimit+0x3b4/0x672 [ 1072.967942] ? trace_hardirqs_off_caller+0x310/0x310 [ 1072.973046] ? trace_hardirqs_on+0x310/0x310 [ 1072.977453] ? lock_downgrade+0x900/0x900 [ 1072.981603] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1072.986708] ? ___ratelimit+0x3b9/0x672 [ 1072.990681] ? idr_get_free+0xf70/0xf70 [ 1072.994650] ? find_held_lock+0x36/0x1c0 [ 1072.998719] oom_kill_process.cold.27+0x10/0x903 [ 1073.003469] ? zap_class+0x640/0x640 [ 1073.007181] ? check_preemption_disabled+0x48/0x280 [ 1073.012196] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1073.017122] ? kasan_check_read+0x11/0x20 [ 1073.021262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1073.026540] ? oom_evaluate_task+0x540/0x540 [ 1073.031032] ? find_held_lock+0x36/0x1c0 [ 1073.035094] ? out_of_memory+0x974/0x1430 [ 1073.039241] ? lock_downgrade+0x900/0x900 [ 1073.043384] ? check_preemption_disabled+0x48/0x280 [ 1073.048399] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1073.053323] ? kasan_check_read+0x11/0x20 [ 1073.057469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1073.062742] ? rcu_softirq_qs+0x20/0x20 [ 1073.066810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.072338] ? oom_evaluate_task+0x302/0x540 [ 1073.076748] out_of_memory+0xa84/0x1430 [ 1073.080728] ? oom_killer_disable+0x3a0/0x3a0 [ 1073.085222] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1073.090155] ? __ww_mutex_check_waiters+0x160/0x160 [ 1073.095185] __alloc_pages_slowpath+0x2354/0x2e10 [ 1073.100052] ? warn_alloc+0x120/0x120 [ 1073.103861] ? mark_held_locks+0x130/0x130 [ 1073.108102] ? find_get_entry+0xaae/0x1120 [ 1073.112347] ? filemap_map_pages+0x1a20/0x1a20 [ 1073.116932] ? zap_class+0x640/0x640 [ 1073.120656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1073.126195] ? check_preemption_disabled+0x48/0x280 [ 1073.131216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.136796] ? should_fail+0x22d/0xd01 [ 1073.140693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1073.145802] ? zap_class+0x640/0x640 [ 1073.149552] ? __lock_is_held+0xb5/0x140 [ 1073.153626] ? mark_held_locks+0x130/0x130 [ 1073.157864] ? lock_release+0xa00/0xa00 [ 1073.161844] ? perf_trace_sched_process_exec+0x860/0x860 [ 1073.167295] ? xa_load+0x2ba/0x460 [ 1073.170836] ? lock_downgrade+0x900/0x900 [ 1073.174990] ? __might_sleep+0x95/0x190 [ 1073.178975] __alloc_pages_nodemask+0xa80/0xde0 [ 1073.183652] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1073.188667] ? __page_cache_alloc+0x191/0x5c0 [ 1073.193165] ? xa_load+0x2e1/0x460 [ 1073.197054] ? xa_clear_mark+0x40/0x40 [ 1073.200947] ? zap_class+0x640/0x640 [ 1073.204678] ? zap_class+0x640/0x640 [ 1073.208391] ? zap_class+0x640/0x640 [ 1073.212103] ? __do_page_cache_readahead+0x663/0x810 [ 1073.217211] ? find_held_lock+0x36/0x1c0 [ 1073.221281] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1073.226822] alloc_pages_current+0x173/0x350 [ 1073.231253] __page_cache_alloc+0x38c/0x5c0 [ 1073.235577] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1073.240508] ? kasan_check_read+0x11/0x20 [ 1073.244669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1073.250206] ? generic_perform_write+0x6a0/0x6a0 [ 1073.254966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.260507] ? check_preemption_disabled+0x48/0x280 [ 1073.265553] filemap_fault+0x1595/0x25f0 [ 1073.269630] ? __lock_page_or_retry+0xa00/0xa00 [ 1073.274302] ? mark_held_locks+0x130/0x130 [ 1073.278562] ? filemap_map_pages+0xd6b/0x1a20 [ 1073.283059] ? lock_downgrade+0x900/0x900 [ 1073.287210] ? check_preemption_disabled+0x48/0x280 [ 1073.292228] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1073.297419] ? kasan_check_read+0x11/0x20 [ 1073.301578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1073.306853] ? rcu_softirq_qs+0x20/0x20 [ 1073.310848] ? filemap_map_pages+0xd92/0x1a20 [ 1073.315357] ? find_get_entries_tag+0x1400/0x1400 [ 1073.320222] ? find_held_lock+0x36/0x1c0 [ 1073.324304] ? lock_acquire+0x1ed/0x520 [ 1073.328279] ? ext4_filemap_fault+0x7a/0xad [ 1073.332698] ? lock_release+0xa00/0xa00 [ 1073.336756] ? perf_trace_sched_process_exec+0x860/0x860 [ 1073.342206] ? print_usage_bug+0xc0/0xc0 [ 1073.346377] ? down_read+0x8d/0x120 [ 1073.349999] ? ext4_filemap_fault+0x7a/0xad [ 1073.354319] ? __down_interruptible+0x700/0x700 [ 1073.358989] ? find_held_lock+0x36/0x1c0 [ 1073.363052] ext4_filemap_fault+0x82/0xad [ 1073.367205] __do_fault+0x100/0x6b0 [ 1073.370831] ? lock_downgrade+0x900/0x900 [ 1073.374989] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1073.380102] ? kasan_check_read+0x11/0x20 [ 1073.384247] ? do_raw_spin_unlock+0xa7/0x330 [ 1073.388659] ? do_raw_spin_trylock+0x270/0x270 [ 1073.393255] __handle_mm_fault+0x3ea0/0x5be0 [ 1073.398266] ? perf_trace_lock+0x7a0/0x7a0 [ 1073.402523] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1073.407378] ? ksys_dup3+0x680/0x680 [ 1073.411105] ? zap_class+0x640/0x640 [ 1073.414861] ? zap_class+0x640/0x640 [ 1073.418580] ? __x64_sys_futex+0x53e/0x6a0 [ 1073.422822] ? find_held_lock+0x36/0x1c0 [ 1073.426896] ? handle_mm_fault+0x42a/0xc70 [ 1073.431219] ? lock_downgrade+0x900/0x900 [ 1073.435369] ? check_preemption_disabled+0x48/0x280 [ 1073.440399] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1073.445335] ? kasan_check_read+0x11/0x20 [ 1073.449483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1073.454774] ? rcu_softirq_qs+0x20/0x20 [ 1073.458749] ? trace_hardirqs_off_caller+0x310/0x310 [ 1073.463857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.469577] ? check_preemption_disabled+0x48/0x280 [ 1073.474603] handle_mm_fault+0x54f/0xc70 [ 1073.478672] ? __handle_mm_fault+0x5be0/0x5be0 [ 1073.483273] ? find_vma+0x34/0x190 [ 1073.486837] __do_page_fault+0x5e8/0xe60 [ 1073.490912] ? trace_hardirqs_off+0xb8/0x310 [ 1073.495323] ? kernel_write+0x120/0x120 [ 1073.499309] do_page_fault+0xf2/0x7e0 [ 1073.503114] ? vmalloc_sync_all+0x30/0x30 [ 1073.507264] ? error_entry+0x70/0xd0 [ 1073.510978] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1073.515994] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1073.520935] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1073.525871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1073.530717] ? trace_hardirqs_on_caller+0x310/0x310 [ 1073.535742] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1073.541195] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1073.546306] ? page_fault+0x8/0x30 [ 1073.549849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1073.554711] ? page_fault+0x8/0x30 [ 1073.558253] page_fault+0x1e/0x30 [ 1073.561712] RIP: 0033:0x404068 [ 1073.564921] Code: Bad RIP value. [ 1073.568291] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1073.573660] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1073.580929] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1073.588201] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1073.595499] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1073.602782] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1073.610090] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1073.610095] warn_alloc_show_mem: 1 callbacks suppressed [ 1073.610103] Mem-Info: [ 1073.617379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1073.622749] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1073.622749] active_file:12 inactive_file:9 isolated_file:0 [ 1073.622749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1073.622749] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1073.622749] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1073.622749] free:13627 free_pcp:121 free_cma:0 [ 1073.625125] Call Trace: [ 1073.634518] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1073.667469] dump_stack+0x244/0x39d [ 1073.670056] 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 [ 1073.697817] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1073.701414] lowmem_reserve[]: 0 2818 6321 6321 [ 1073.727541] warn_alloc.cold.116+0xb7/0x1bd [ 1073.732707] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1073.737300] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1073.741600] lowmem_reserve[]: 0 0 3503 3503 [ 1073.768935] ? lock_downgrade+0x900/0x900 [ 1073.773757] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1073.778099] ? trace_hardirqs_off+0xb8/0x310 [ 1073.782217] lowmem_reserve[]: 0 0 0 0 [ 1073.810960] ? trace_hardirqs_off+0xb8/0x310 [ 1073.815354] 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 [ 1073.819162] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1073.823543] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1073.837444] ? warn_alloc+0x120/0x120 [ 1073.842236] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1073.857846] ? warn_alloc+0x120/0x120 [ 1073.861630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1073.874721] ? dev_hard_start_xmit+0x42c/0xc80 [ 1073.878507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1073.887335] ? warn_alloc+0x120/0x120 [ 1073.891886] 4359 total pagecache pages [ 1073.900471] ? print_usage_bug+0xc0/0xc0 [ 1073.904252] 0 pages in swap cache [ 1073.908124] ? find_held_lock+0x36/0x1c0 [ 1073.912164] Swap cache stats: add 0, delete 0, find 0/0 [ 1073.915608] ? print_usage_bug+0xc0/0xc0 [ 1073.919643] Free swap = 0kB [ 1073.925003] ? cpuacct_charge+0x265/0x440 [ 1073.929037] Total swap = 0kB [ 1073.932048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1073.936171] 1965979 pages RAM [ 1073.939188] ? should_fail+0x22d/0xd01 [ 1073.944698] 0 pages HighMem/MovableOnly [ 1073.947796] ? find_held_lock+0x36/0x1c0 [ 1073.951660] 342854 pages reserved [ 1073.955627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1073.959662] 0 pages cma reserved [ 1073.963108] ? __lock_acquire+0x62f/0x4c20 [ 1073.968238] aoe: skb alloc failure [ 1073.971550] ? should_fail+0x22d/0xd01 [ 1073.975810] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1073.979303] ? mark_held_locks+0x130/0x130 [ 1073.983158] syz-fuzzer cpuset=/ mems_allowed=0 [ 1073.993381] ? mark_held_locks+0x130/0x130 [ 1074.006392] ? __lock_acquire+0x62f/0x4c20 [ 1074.010637] ? zap_class+0x640/0x640 [ 1074.014355] ? __lock_is_held+0xb5/0x140 [ 1074.018421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.023971] ? check_preemption_disabled+0x48/0x280 [ 1074.028999] ? __lock_is_held+0xb5/0x140 [ 1074.033067] __alloc_pages_nodemask+0xa80/0xde0 [ 1074.037742] ? zap_class+0x640/0x640 [ 1074.041479] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1074.046518] ? find_held_lock+0x36/0x1c0 [ 1074.050595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1074.055268] ? lock_downgrade+0x900/0x900 [ 1074.059426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1074.064982] cache_grow_begin+0xa5/0x8c0 [ 1074.069043] ? do_raw_spin_unlock+0xa7/0x330 [ 1074.073475] fallback_alloc+0x204/0x2e0 [ 1074.078016] ____cache_alloc_node+0x1c7/0x1e0 [ 1074.082522] kmem_cache_alloc+0x1f8/0x730 [ 1074.086685] skb_clone+0x1bb/0x500 [ 1074.090232] ? finish_task_switch+0x2f4/0x910 [ 1074.094735] ? skb_split+0x11e0/0x11e0 [ 1074.098625] ? preempt_notifier_register+0x200/0x200 [ 1074.103728] ? __switch_to_asm+0x34/0x70 [ 1074.107789] ? __switch_to_asm+0x34/0x70 [ 1074.111849] ? __switch_to_asm+0x40/0x70 [ 1074.115911] ? __switch_to_asm+0x34/0x70 [ 1074.120007] ? __switch_to_asm+0x40/0x70 [ 1074.124071] ? __switch_to_asm+0x34/0x70 [ 1074.128148] ? __switch_to_asm+0x40/0x70 [ 1074.132231] ? __switch_to_asm+0x34/0x70 [ 1074.136325] ? __switch_to_asm+0x34/0x70 [ 1074.140418] ? __switch_to_asm+0x40/0x70 [ 1074.144512] ? __switch_to_asm+0x34/0x70 [ 1074.148606] bpf_clone_redirect+0xb9/0x490 [ 1074.152848] ? __schedule+0x8d7/0x21d0 [ 1074.156787] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1074.161810] ? __sched_text_start+0x8/0x8 [ 1074.166013] ? find_held_lock+0x36/0x1c0 [ 1074.170089] ? lock_acquire+0x1ed/0x520 [ 1074.174065] ? bpf_test_run+0x3cb/0x780 [ 1074.178048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.183591] ? check_preemption_disabled+0x48/0x280 [ 1074.188620] ? kasan_check_read+0x11/0x20 [ 1074.192773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1074.198050] ? rcu_softirq_qs+0x20/0x20 [ 1074.202031] ? preempt_schedule+0x4d/0x60 [ 1074.206183] ? ___preempt_schedule+0x16/0x18 [ 1074.210604] ? bpf_test_run+0x25d/0x780 [ 1074.214601] ? netlink_diag_dump+0x2a0/0x2a0 [ 1074.219017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.224561] ? bpf_test_init.isra.10+0x70/0x100 [ 1074.229238] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1074.234006] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1074.238848] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1074.244389] ? fput+0x130/0x1a0 [ 1074.247674] ? __bpf_prog_get+0x9b/0x290 [ 1074.251740] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1074.256674] ? bpf_prog_test_run+0x130/0x1a0 [ 1074.261104] ? __x64_sys_bpf+0x3d8/0x520 [ 1074.265172] ? bpf_prog_get+0x20/0x20 [ 1074.268995] ? do_syscall_64+0x1b9/0x820 [ 1074.273057] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1074.278440] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1074.283370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1074.288221] ? trace_hardirqs_on_caller+0x310/0x310 [ 1074.293239] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1074.298260] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1074.303284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1074.308144] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1074.313531] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1074.313907] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1074.320644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1074.331286] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1074.340628] Call Trace: [ 1074.348299] [ 1074.350478] dump_stack+0x244/0x39d [ 1074.354121] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1074.359327] warn_alloc.cold.116+0xb7/0x1bd [ 1074.363651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1074.368506] ? lock_downgrade+0x900/0x900 [ 1074.372665] ? trace_hardirqs_off+0xb8/0x310 [ 1074.377084] ? trace_hardirqs_off+0xb8/0x310 [ 1074.381501] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1074.386371] ? warn_alloc+0x120/0x120 [ 1074.390176] ? warn_alloc+0x120/0x120 [ 1074.393981] ? warn_alloc+0x120/0x120 [ 1074.397784] ? print_usage_bug+0xc0/0xc0 [ 1074.401855] ? print_usage_bug+0xc0/0xc0 [ 1074.405918] ? ktime_get+0x2c1/0x400 [ 1074.409643] ? check_preemption_disabled+0x48/0x280 [ 1074.414662] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1074.419157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.424698] ? should_fail+0x22d/0xd01 [ 1074.428589] ? kasan_check_read+0x11/0x20 [ 1074.432918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1074.438025] ? __lock_acquire+0x62f/0x4c20 [ 1074.442266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1074.447427] ? should_fail+0x22d/0xd01 [ 1074.451314] ? print_usage_bug+0xc0/0xc0 [ 1074.455383] ? mark_held_locks+0x130/0x130 [ 1074.459623] ? mark_held_locks+0x130/0x130 [ 1074.463856] ? check_preemption_disabled+0x48/0x280 [ 1074.468886] ? zap_class+0x640/0x640 [ 1074.472605] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1074.477361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.482902] ? check_preemption_disabled+0x48/0x280 [ 1074.487928] ? __lock_is_held+0xb5/0x140 [ 1074.491999] __alloc_pages_nodemask+0xa80/0xde0 [ 1074.496668] ? zap_class+0x640/0x640 [ 1074.500385] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1074.505433] ? find_held_lock+0x36/0x1c0 [ 1074.509503] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1074.514172] ? lock_downgrade+0x900/0x900 [ 1074.518329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.523871] cache_grow_begin+0xa5/0x8c0 [ 1074.527948] ? do_raw_spin_unlock+0xa7/0x330 [ 1074.532362] fallback_alloc+0x204/0x2e0 [ 1074.536346] ____cache_alloc_node+0x1c7/0x1e0 [ 1074.540846] kmem_cache_alloc_node+0xe3/0x730 [ 1074.545341] ? __kmalloc_node_track_caller+0x50/0x70 [ 1074.550452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1074.555995] __alloc_skb+0x119/0x770 [ 1074.559707] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1074.565079] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1074.569498] ? vprintk_default+0x28/0x30 [ 1074.573557] ? vprintk_func+0x85/0x181 [ 1074.577453] ? printk+0xa7/0xcf [ 1074.580735] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1074.585493] ? do_raw_spin_trylock+0x270/0x270 [ 1074.590079] new_skb+0x26/0x1c0 [ 1074.593358] aoecmd_cfg+0x279/0x7f0 [ 1074.596998] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1074.601330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.606883] ? __lock_is_held+0xb5/0x140 [ 1074.610958] discover_timer+0x50/0x60 [ 1074.614757] call_timer_fn+0x272/0x920 [ 1074.618646] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1074.623488] ? process_timeout+0x40/0x40 [ 1074.627570] ? mark_held_locks+0xc7/0x130 [ 1074.631720] ? _raw_spin_unlock_irq+0x27/0x80 [ 1074.636213] ? _raw_spin_unlock_irq+0x27/0x80 [ 1074.640707] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1074.645549] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1074.650134] ? trace_hardirqs_on+0xbd/0x310 [ 1074.654455] ? kasan_check_read+0x11/0x20 [ 1074.658603] ? __run_timers+0x7da/0xc70 [ 1074.662578] ? trace_hardirqs_off_caller+0x310/0x310 [ 1074.667694] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1074.672535] __run_timers+0x7e5/0xc70 [ 1074.676344] ? timer_fixup_init+0x70/0x70 [ 1074.680507] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1074.685524] ? zap_class+0x640/0x640 [ 1074.689247] ? print_usage_bug+0xc0/0xc0 [ 1074.693314] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1074.698511] ? find_held_lock+0x36/0x1c0 [ 1074.702577] ? zap_class+0x640/0x640 [ 1074.706295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.711835] ? check_preemption_disabled+0x48/0x280 [ 1074.716860] ? __lock_is_held+0xb5/0x140 [ 1074.720925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.726462] ? check_preemption_disabled+0x48/0x280 [ 1074.731488] run_timer_softirq+0x52/0xb0 [ 1074.735547] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1074.740567] __do_softirq+0x308/0xb7e [ 1074.744369] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1074.748879] ? lock_downgrade+0x900/0x900 [ 1074.753030] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1074.758139] ? pvclock_read_flags+0x160/0x160 [ 1074.762637] ? lapic_next_event+0x5a/0x90 [ 1074.766787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.772329] ? kvm_clock_read+0x18/0x30 [ 1074.776388] ? kvm_sched_clock_read+0x9/0x20 [ 1074.780816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.786353] ? check_preemption_disabled+0x48/0x280 [ 1074.791378] irq_exit+0x17f/0x1c0 [ 1074.794844] smp_apic_timer_interrupt+0x1cb/0x760 [ 1074.799684] ? smp_reschedule_interrupt+0x109/0x650 [ 1074.804706] ? smp_call_function_single_interrupt+0x650/0x650 [ 1074.810594] ? interrupt_entry+0xb5/0xc0 [ 1074.814663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1074.819689] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1074.824722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1074.829583] ? trace_hardirqs_on_caller+0x310/0x310 [ 1074.834608] ? trace_hardirqs_on_caller+0x310/0x310 [ 1074.839648] ? task_prio+0x50/0x50 [ 1074.843205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.848760] ? check_preemption_disabled+0x48/0x280 [ 1074.853796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1074.858661] apic_timer_interrupt+0xf/0x20 [ 1074.862899] [ 1074.865148] RIP: 0010:console_unlock+0x102f/0x1190 [ 1074.870084] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1074.888988] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1074.896697] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1074.903971] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1074.911807] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1074.919079] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1074.926348] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1074.933640] ? netconsole_netdev_event+0x280/0x280 [ 1074.938593] ? console_unlock+0x1026/0x1190 [ 1074.942939] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1074.947606] ? vprintk_emit+0x846/0x990 [ 1074.951583] ? lock_release+0xa00/0xa00 [ 1074.955560] ? trace_hardirqs_on+0x70/0x310 [ 1074.959882] ? vprintk_default+0x28/0x30 [ 1074.963946] ? trace_hardirqs_off_caller+0x310/0x310 [ 1074.969051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1074.974645] vprintk_emit+0x391/0x990 [ 1074.978450] ? wake_up_klogd+0x180/0x180 [ 1074.982522] ? find_held_lock+0x11/0x1c0 [ 1074.986595] ? mark_held_locks+0xc7/0x130 [ 1074.990748] ? _raw_spin_unlock_irq+0x27/0x80 [ 1074.995240] ? _raw_spin_unlock_irq+0x27/0x80 [ 1074.999749] vprintk_default+0x28/0x30 [ 1075.003657] vprintk_func+0x7e/0x181 [ 1075.007370] printk+0xa7/0xcf [ 1075.010493] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1075.015249] ? _raw_spin_unlock_irq+0x60/0x80 [ 1075.019760] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1075.025043] dump_header+0x7cc/0xf72 [ 1075.028769] ? pagefault_out_of_memory+0x197/0x197 [ 1075.033704] ? __lock_acquire+0x62f/0x4c20 [ 1075.037949] ? print_usage_bug+0xc0/0xc0 [ 1075.042016] ? zap_class+0x640/0x640 [ 1075.045742] ? print_usage_bug+0xc0/0xc0 [ 1075.049804] ? print_usage_bug+0xc0/0xc0 [ 1075.053871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1075.059419] ? find_held_lock+0x36/0x1c0 [ 1075.063494] ? mark_held_locks+0xc7/0x130 [ 1075.067644] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1075.072754] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1075.077859] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1075.082443] ? trace_hardirqs_on+0xbd/0x310 [ 1075.086766] ? kasan_check_read+0x11/0x20 [ 1075.090927] ? ___ratelimit+0x3b4/0x672 [ 1075.094904] ? trace_hardirqs_off_caller+0x310/0x310 [ 1075.100010] ? trace_hardirqs_on+0x310/0x310 [ 1075.104420] ? lock_downgrade+0x900/0x900 [ 1075.108575] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1075.113677] ? ___ratelimit+0x3b9/0x672 [ 1075.117655] ? idr_get_free+0xf70/0xf70 [ 1075.121633] ? find_held_lock+0x36/0x1c0 [ 1075.125708] oom_kill_process.cold.27+0x10/0x903 [ 1075.130468] ? zap_class+0x640/0x640 [ 1075.134183] ? check_preemption_disabled+0x48/0x280 [ 1075.139203] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1075.144132] ? kasan_check_read+0x11/0x20 [ 1075.148278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1075.153572] ? oom_evaluate_task+0x540/0x540 [ 1075.157984] ? find_held_lock+0x36/0x1c0 [ 1075.162054] ? out_of_memory+0x974/0x1430 [ 1075.166205] ? lock_downgrade+0x900/0x900 [ 1075.170356] ? check_preemption_disabled+0x48/0x280 [ 1075.175410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1075.180337] ? kasan_check_read+0x11/0x20 [ 1075.184497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1075.189772] ? rcu_softirq_qs+0x20/0x20 [ 1075.193753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.199291] ? oom_evaluate_task+0x302/0x540 [ 1075.203706] out_of_memory+0xa84/0x1430 [ 1075.207694] ? oom_killer_disable+0x3a0/0x3a0 [ 1075.212196] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1075.217130] ? __ww_mutex_check_waiters+0x160/0x160 [ 1075.222158] __alloc_pages_slowpath+0x2354/0x2e10 [ 1075.227028] ? warn_alloc+0x120/0x120 [ 1075.230827] ? mark_held_locks+0x130/0x130 [ 1075.235073] ? find_get_entry+0xaae/0x1120 [ 1075.239320] ? filemap_map_pages+0x1a20/0x1a20 [ 1075.243908] ? zap_class+0x640/0x640 [ 1075.247627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1075.253165] ? check_preemption_disabled+0x48/0x280 [ 1075.258185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.263724] ? should_fail+0x22d/0xd01 [ 1075.267639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1075.272748] ? zap_class+0x640/0x640 [ 1075.276496] ? __lock_is_held+0xb5/0x140 [ 1075.280571] ? mark_held_locks+0x130/0x130 [ 1075.284810] ? lock_release+0xa00/0xa00 [ 1075.288786] ? perf_trace_sched_process_exec+0x860/0x860 [ 1075.294236] ? xa_load+0x2ba/0x460 [ 1075.297782] ? lock_downgrade+0x900/0x900 [ 1075.301936] ? __might_sleep+0x95/0x190 [ 1075.305919] __alloc_pages_nodemask+0xa80/0xde0 [ 1075.310598] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1075.315614] ? __page_cache_alloc+0x191/0x5c0 [ 1075.320121] ? xa_load+0x2e1/0x460 [ 1075.323661] ? xa_clear_mark+0x40/0x40 [ 1075.327550] ? zap_class+0x640/0x640 [ 1075.331274] ? zap_class+0x640/0x640 [ 1075.334988] ? zap_class+0x640/0x640 [ 1075.338710] ? __do_page_cache_readahead+0x663/0x810 [ 1075.343820] ? find_held_lock+0x36/0x1c0 [ 1075.347886] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1075.353428] alloc_pages_current+0x173/0x350 [ 1075.357843] __page_cache_alloc+0x38c/0x5c0 [ 1075.362163] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1075.367269] ? kasan_check_read+0x11/0x20 [ 1075.371505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1075.376786] ? generic_perform_write+0x6a0/0x6a0 [ 1075.381545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.387086] ? check_preemption_disabled+0x48/0x280 [ 1075.392109] filemap_fault+0x1595/0x25f0 [ 1075.396186] ? __lock_page_or_retry+0xa00/0xa00 [ 1075.400860] ? mark_held_locks+0x130/0x130 [ 1075.405103] ? filemap_map_pages+0xd6b/0x1a20 [ 1075.409598] ? lock_downgrade+0x900/0x900 [ 1075.413748] ? check_preemption_disabled+0x48/0x280 [ 1075.418781] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1075.423712] ? kasan_check_read+0x11/0x20 [ 1075.427859] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1075.433133] ? rcu_softirq_qs+0x20/0x20 [ 1075.437118] ? filemap_map_pages+0xd92/0x1a20 [ 1075.441625] ? find_get_entries_tag+0x1400/0x1400 [ 1075.446470] ? find_held_lock+0x36/0x1c0 [ 1075.450554] ? lock_acquire+0x1ed/0x520 [ 1075.454537] ? ext4_filemap_fault+0x7a/0xad [ 1075.458868] ? lock_release+0xa00/0xa00 [ 1075.462841] ? perf_trace_sched_process_exec+0x860/0x860 [ 1075.468297] ? print_usage_bug+0xc0/0xc0 [ 1075.472382] ? down_read+0x8d/0x120 [ 1075.476006] ? ext4_filemap_fault+0x7a/0xad [ 1075.480326] ? __down_interruptible+0x700/0x700 [ 1075.485009] ? find_held_lock+0x36/0x1c0 [ 1075.489074] ext4_filemap_fault+0x82/0xad [ 1075.493308] __do_fault+0x100/0x6b0 [ 1075.496949] ? lock_downgrade+0x900/0x900 [ 1075.501098] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1075.506208] ? kasan_check_read+0x11/0x20 [ 1075.510363] ? do_raw_spin_unlock+0xa7/0x330 [ 1075.514772] ? do_raw_spin_trylock+0x270/0x270 [ 1075.519378] __handle_mm_fault+0x3ea0/0x5be0 [ 1075.523803] ? perf_trace_lock+0x7a0/0x7a0 [ 1075.528046] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1075.532899] ? ksys_dup3+0x680/0x680 [ 1075.536625] ? zap_class+0x640/0x640 [ 1075.540355] ? zap_class+0x640/0x640 [ 1075.544067] ? __x64_sys_futex+0x53e/0x6a0 [ 1075.548305] ? find_held_lock+0x36/0x1c0 [ 1075.552398] ? handle_mm_fault+0x42a/0xc70 [ 1075.556637] ? lock_downgrade+0x900/0x900 [ 1075.560784] ? check_preemption_disabled+0x48/0x280 [ 1075.565802] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1075.570742] ? kasan_check_read+0x11/0x20 [ 1075.574889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1075.580169] ? rcu_softirq_qs+0x20/0x20 [ 1075.584142] ? trace_hardirqs_off_caller+0x310/0x310 [ 1075.589246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1075.594786] ? check_preemption_disabled+0x48/0x280 [ 1075.599809] handle_mm_fault+0x54f/0xc70 [ 1075.603877] ? __handle_mm_fault+0x5be0/0x5be0 [ 1075.608467] ? find_vma+0x34/0x190 [ 1075.612010] __do_page_fault+0x5e8/0xe60 [ 1075.616069] ? trace_hardirqs_off+0xb8/0x310 [ 1075.620489] ? kernel_write+0x120/0x120 [ 1075.624481] do_page_fault+0xf2/0x7e0 [ 1075.628289] ? vmalloc_sync_all+0x30/0x30 [ 1075.632447] ? error_entry+0x70/0xd0 [ 1075.636163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1075.641180] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1075.646107] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1075.651036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1075.655883] ? trace_hardirqs_on_caller+0x310/0x310 [ 1075.660897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1075.666360] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1075.671375] ? page_fault+0x8/0x30 [ 1075.674916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1075.679761] ? page_fault+0x8/0x30 [ 1075.683300] page_fault+0x1e/0x30 [ 1075.686765] RIP: 0033:0x404068 [ 1075.689973] Code: Bad RIP value. [ 1075.693346] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1075.698711] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1075.705976] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1075.713244] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1075.720510] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1075.727778] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1075.735067] warn_alloc_show_mem: 1 callbacks suppressed [ 1075.735078] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1075.735080] Mem-Info: [ 1075.735111] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1075.735111] active_file:12 inactive_file:9 isolated_file:0 [ 1075.735111] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1075.735111] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1075.735111] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1075.735111] free:13627 free_pcp:121 free_cma:0 [ 1075.740453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.747727] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1075.750127] Call Trace: [ 1075.782994] 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 [ 1075.792374] dump_stack+0x244/0x39d [ 1075.820006] lowmem_reserve[]: 0 2818 6321 6321 [ 1075.822599] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1075.848679] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1075.852328] warn_alloc.cold.116+0xb7/0x1bd [ 1075.856992] lowmem_reserve[]: 0 0 3503 3503 [ 1075.862190] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1075.889487] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1075.893811] ? lock_downgrade+0x900/0x900 [ 1075.898102] lowmem_reserve[]: 0 0 0 0 [ 1075.902949] ? trace_hardirqs_off+0xb8/0x310 [ 1075.931631] 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 [ 1075.935789] ? trace_hardirqs_off+0xb8/0x310 [ 1075.939561] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1075.943984] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1075.957477] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1075.961920] ? warn_alloc+0x120/0x120 [ 1075.977482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1075.982329] ? warn_alloc+0x120/0x120 [ 1075.995394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1075.995402] 4359 total pagecache pages [ 1075.999201] ? dev_hard_start_xmit+0x42c/0xc80 [ 1076.008019] 0 pages in swap cache [ 1076.011829] ? warn_alloc+0x120/0x120 [ 1076.020396] Swap cache stats: add 0, delete 0, find 0/0 [ 1076.024282] ? print_usage_bug+0xc0/0xc0 [ 1076.028848] Free swap = 0kB [ 1076.032303] ? find_held_lock+0x36/0x1c0 [ 1076.036077] Total swap = 0kB [ 1076.041440] ? print_usage_bug+0xc0/0xc0 [ 1076.045503] 1965979 pages RAM [ 1076.048518] ? cpuacct_charge+0x265/0x440 [ 1076.052552] 0 pages HighMem/MovableOnly [ 1076.055569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1076.059606] 342854 pages reserved [ 1076.062707] ? should_fail+0x22d/0xd01 [ 1076.066831] 0 pages cma reserved [ 1076.070801] ? find_held_lock+0x36/0x1c0 [ 1076.076787] aoe: skb alloc failure [ 1076.080200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1076.084079] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1076.087414] ? __lock_acquire+0x62f/0x4c20 [ 1076.091449] syz-fuzzer cpuset=/ mems_allowed=0 [ 1076.094987] ? should_fail+0x22d/0xd01 [ 1076.122965] ? mark_held_locks+0x130/0x130 [ 1076.127208] ? mark_held_locks+0x130/0x130 [ 1076.131450] ? __lock_acquire+0x62f/0x4c20 [ 1076.135697] ? zap_class+0x640/0x640 [ 1076.139411] ? __lock_is_held+0xb5/0x140 [ 1076.143483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.149029] ? check_preemption_disabled+0x48/0x280 [ 1076.154060] ? __lock_is_held+0xb5/0x140 [ 1076.158135] __alloc_pages_nodemask+0xa80/0xde0 [ 1076.162806] ? zap_class+0x640/0x640 [ 1076.166529] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1076.171557] ? find_held_lock+0x36/0x1c0 [ 1076.175632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1076.180315] ? lock_downgrade+0x900/0x900 [ 1076.184478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1076.190022] cache_grow_begin+0xa5/0x8c0 [ 1076.194089] ? do_raw_spin_unlock+0xa7/0x330 [ 1076.198507] fallback_alloc+0x204/0x2e0 [ 1076.202492] ____cache_alloc_node+0x1c7/0x1e0 [ 1076.206996] kmem_cache_alloc+0x1f8/0x730 [ 1076.211163] skb_clone+0x1bb/0x500 [ 1076.214709] ? finish_task_switch+0x2f4/0x910 [ 1076.219211] ? skb_split+0x11e0/0x11e0 [ 1076.223107] ? preempt_notifier_register+0x200/0x200 [ 1076.228210] ? __switch_to_asm+0x34/0x70 [ 1076.232287] ? __switch_to_asm+0x34/0x70 [ 1076.236346] ? __switch_to_asm+0x40/0x70 [ 1076.240412] ? __switch_to_asm+0x34/0x70 [ 1076.244477] ? __switch_to_asm+0x40/0x70 [ 1076.248539] ? __switch_to_asm+0x34/0x70 [ 1076.252599] ? __switch_to_asm+0x40/0x70 [ 1076.256663] ? __switch_to_asm+0x34/0x70 [ 1076.260730] ? __switch_to_asm+0x34/0x70 [ 1076.264794] ? __switch_to_asm+0x40/0x70 [ 1076.268857] ? __switch_to_asm+0x34/0x70 [ 1076.272931] bpf_clone_redirect+0xb9/0x490 [ 1076.277167] ? __schedule+0x8d7/0x21d0 [ 1076.281071] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1076.286094] ? __sched_text_start+0x8/0x8 [ 1076.290258] ? find_held_lock+0x36/0x1c0 [ 1076.294344] ? lock_acquire+0x1ed/0x520 [ 1076.298321] ? bpf_test_run+0x3cb/0x780 [ 1076.302304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.307844] ? check_preemption_disabled+0x48/0x280 [ 1076.312872] ? kasan_check_read+0x11/0x20 [ 1076.317020] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1076.322309] ? rcu_softirq_qs+0x20/0x20 [ 1076.326297] ? preempt_schedule+0x4d/0x60 [ 1076.330453] ? ___preempt_schedule+0x16/0x18 [ 1076.334882] ? bpf_test_run+0x25d/0x780 [ 1076.338872] ? netlink_diag_dump+0x2a0/0x2a0 [ 1076.343296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1076.348841] ? bpf_test_init.isra.10+0x70/0x100 [ 1076.353522] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1076.358301] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1076.363149] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1076.368693] ? fput+0x130/0x1a0 [ 1076.371977] ? __bpf_prog_get+0x9b/0x290 [ 1076.376045] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1076.380888] ? bpf_prog_test_run+0x130/0x1a0 [ 1076.385324] ? __x64_sys_bpf+0x3d8/0x520 [ 1076.389389] ? bpf_prog_get+0x20/0x20 [ 1076.393214] ? do_syscall_64+0x1b9/0x820 [ 1076.397287] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1076.402654] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1076.407583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1076.412430] ? trace_hardirqs_on_caller+0x310/0x310 [ 1076.417461] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1076.422485] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1076.427510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1076.432366] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1076.437752] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1076.438110] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1076.444787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1076.455268] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1076.464635] Call Trace: [ 1076.472304] [ 1076.474467] dump_stack+0x244/0x39d [ 1076.478101] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1076.483312] warn_alloc.cold.116+0xb7/0x1bd [ 1076.487642] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1076.492490] ? lock_downgrade+0x900/0x900 [ 1076.496650] ? trace_hardirqs_off+0xb8/0x310 [ 1076.501065] ? trace_hardirqs_off+0xb8/0x310 [ 1076.505482] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1076.510352] ? warn_alloc+0x120/0x120 [ 1076.514159] ? warn_alloc+0x120/0x120 [ 1076.517964] ? __lock_acquire+0x62f/0x4c20 [ 1076.522200] ? warn_alloc+0x120/0x120 [ 1076.526004] ? print_usage_bug+0xc0/0xc0 [ 1076.530070] ? print_usage_bug+0xc0/0xc0 [ 1076.534136] ? mark_held_locks+0x130/0x130 [ 1076.538376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1076.543912] ? should_fail+0x22d/0xd01 [ 1076.547797] ? zap_class+0x640/0x640 [ 1076.551517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1076.556624] ? __lock_acquire+0x62f/0x4c20 [ 1076.560864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1076.565983] ? should_fail+0x22d/0xd01 [ 1076.569884] ? mark_held_locks+0x130/0x130 [ 1076.574126] ? mark_held_locks+0x130/0x130 [ 1076.578360] ? lock_downgrade+0x900/0x900 [ 1076.582520] ? zap_class+0x640/0x640 [ 1076.586234] ? zap_class+0x640/0x640 [ 1076.589963] ? zap_class+0x640/0x640 [ 1076.593678] ? do_raw_spin_unlock+0xa7/0x330 [ 1076.598083] ? trace_hardirqs_on+0x310/0x310 [ 1076.602490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.608032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.613571] ? check_preemption_disabled+0x48/0x280 [ 1076.618595] ? __lock_is_held+0xb5/0x140 [ 1076.622668] __alloc_pages_nodemask+0xa80/0xde0 [ 1076.627342] ? zap_class+0x640/0x640 [ 1076.631065] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1076.636093] ? find_held_lock+0x36/0x1c0 [ 1076.640164] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1076.644839] ? lock_downgrade+0x900/0x900 [ 1076.648998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.654539] cache_grow_begin+0xa5/0x8c0 [ 1076.658618] ? do_raw_spin_unlock+0xa7/0x330 [ 1076.663034] fallback_alloc+0x204/0x2e0 [ 1076.667014] ____cache_alloc_node+0x1c7/0x1e0 [ 1076.671513] kmem_cache_alloc_node+0xe3/0x730 [ 1076.676006] ? __kmalloc_node_track_caller+0x50/0x70 [ 1076.681116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1076.686661] __alloc_skb+0x119/0x770 [ 1076.690378] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1076.695749] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1076.700169] ? vprintk_default+0x28/0x30 [ 1076.704230] ? vprintk_func+0x85/0x181 [ 1076.708129] ? printk+0xa7/0xcf [ 1076.711407] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1076.716267] ? do_raw_spin_trylock+0x270/0x270 [ 1076.720861] new_skb+0x26/0x1c0 [ 1076.724140] aoecmd_cfg+0x279/0x7f0 [ 1076.727775] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1076.732103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.737652] ? __lock_is_held+0xb5/0x140 [ 1076.741745] discover_timer+0x50/0x60 [ 1076.745547] call_timer_fn+0x272/0x920 [ 1076.749439] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1076.754280] ? process_timeout+0x40/0x40 [ 1076.758350] ? mark_held_locks+0xc7/0x130 [ 1076.762503] ? _raw_spin_unlock_irq+0x27/0x80 [ 1076.766997] ? _raw_spin_unlock_irq+0x27/0x80 [ 1076.771494] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1076.776340] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1076.780923] ? trace_hardirqs_on+0xbd/0x310 [ 1076.785256] ? kasan_check_read+0x11/0x20 [ 1076.789403] ? __run_timers+0x7da/0xc70 [ 1076.793380] ? trace_hardirqs_off_caller+0x310/0x310 [ 1076.798853] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1076.803693] __run_timers+0x7e5/0xc70 [ 1076.807506] ? timer_fixup_init+0x70/0x70 [ 1076.811655] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1076.816671] ? zap_class+0x640/0x640 [ 1076.820390] ? print_usage_bug+0xc0/0xc0 [ 1076.824456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1076.829657] ? find_held_lock+0x36/0x1c0 [ 1076.833727] ? zap_class+0x640/0x640 [ 1076.837448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.842985] ? check_preemption_disabled+0x48/0x280 [ 1076.848009] ? __lock_is_held+0xb5/0x140 [ 1076.852070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.857614] ? check_preemption_disabled+0x48/0x280 [ 1076.862642] run_timer_softirq+0x52/0xb0 [ 1076.866708] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1076.871815] __do_softirq+0x308/0xb7e [ 1076.875626] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1076.880118] ? lock_downgrade+0x900/0x900 [ 1076.884287] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1076.889401] ? pvclock_read_flags+0x160/0x160 [ 1076.893900] ? lapic_next_event+0x5a/0x90 [ 1076.898048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.903593] ? kvm_clock_read+0x18/0x30 [ 1076.907568] ? kvm_sched_clock_read+0x9/0x20 [ 1076.912527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.918086] ? check_preemption_disabled+0x48/0x280 [ 1076.923110] irq_exit+0x17f/0x1c0 [ 1076.926564] smp_apic_timer_interrupt+0x1cb/0x760 [ 1076.931413] ? smp_reschedule_interrupt+0x109/0x650 [ 1076.936433] ? smp_call_function_single_interrupt+0x650/0x650 [ 1076.942318] ? interrupt_entry+0xb5/0xc0 [ 1076.946382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1076.951400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1076.956419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1076.961262] ? trace_hardirqs_on_caller+0x310/0x310 [ 1076.966276] ? trace_hardirqs_on_caller+0x310/0x310 [ 1076.971292] ? task_prio+0x50/0x50 [ 1076.974841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1076.980381] ? check_preemption_disabled+0x48/0x280 [ 1076.985401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1076.990350] apic_timer_interrupt+0xf/0x20 [ 1076.994577] [ 1076.996820] RIP: 0010:console_unlock+0x102f/0x1190 [ 1077.001750] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1077.020660] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1077.028370] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1077.035639] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1077.042908] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1077.050174] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1077.057445] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1077.064723] ? netconsole_netdev_event+0x280/0x280 [ 1077.069663] ? console_unlock+0x1026/0x1190 [ 1077.074003] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1077.078673] ? vprintk_emit+0x846/0x990 [ 1077.082651] ? lock_release+0xa00/0xa00 [ 1077.086626] ? trace_hardirqs_on+0x70/0x310 [ 1077.090950] ? vprintk_default+0x28/0x30 [ 1077.095014] ? trace_hardirqs_off_caller+0x310/0x310 [ 1077.100120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1077.105667] vprintk_emit+0x391/0x990 [ 1077.109471] ? wake_up_klogd+0x180/0x180 [ 1077.113548] ? find_held_lock+0x11/0x1c0 [ 1077.117620] ? mark_held_locks+0xc7/0x130 [ 1077.121769] ? _raw_spin_unlock_irq+0x27/0x80 [ 1077.126266] ? _raw_spin_unlock_irq+0x27/0x80 [ 1077.130774] vprintk_default+0x28/0x30 [ 1077.134664] vprintk_func+0x7e/0x181 [ 1077.138381] printk+0xa7/0xcf [ 1077.141493] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1077.146342] ? _raw_spin_unlock_irq+0x60/0x80 [ 1077.150852] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1077.156138] dump_header+0x7cc/0xf72 [ 1077.159868] ? pagefault_out_of_memory+0x197/0x197 [ 1077.164809] ? __lock_acquire+0x62f/0x4c20 [ 1077.169047] ? print_usage_bug+0xc0/0xc0 [ 1077.173116] ? zap_class+0x640/0x640 [ 1077.176831] ? print_usage_bug+0xc0/0xc0 [ 1077.180894] ? print_usage_bug+0xc0/0xc0 [ 1077.184962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1077.190505] ? find_held_lock+0x36/0x1c0 [ 1077.194580] ? mark_held_locks+0xc7/0x130 [ 1077.198736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1077.203837] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1077.208947] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1077.213533] ? trace_hardirqs_on+0xbd/0x310 [ 1077.217857] ? kasan_check_read+0x11/0x20 [ 1077.222004] ? ___ratelimit+0x3b4/0x672 [ 1077.225982] ? trace_hardirqs_off_caller+0x310/0x310 [ 1077.231086] ? trace_hardirqs_on+0x310/0x310 [ 1077.235498] ? lock_downgrade+0x900/0x900 [ 1077.239652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1077.244758] ? ___ratelimit+0x3b9/0x672 [ 1077.248732] ? idr_get_free+0xf70/0xf70 [ 1077.252711] ? find_held_lock+0x36/0x1c0 [ 1077.256794] oom_kill_process.cold.27+0x10/0x903 [ 1077.261565] ? zap_class+0x640/0x640 [ 1077.265280] ? check_preemption_disabled+0x48/0x280 [ 1077.270302] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1077.275238] ? kasan_check_read+0x11/0x20 [ 1077.279384] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1077.284668] ? oom_evaluate_task+0x540/0x540 [ 1077.289078] ? find_held_lock+0x36/0x1c0 [ 1077.293157] ? out_of_memory+0x974/0x1430 [ 1077.297311] ? lock_downgrade+0x900/0x900 [ 1077.301458] ? check_preemption_disabled+0x48/0x280 [ 1077.306478] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1077.311405] ? kasan_check_read+0x11/0x20 [ 1077.315558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1077.320840] ? rcu_softirq_qs+0x20/0x20 [ 1077.324820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1077.330357] ? oom_evaluate_task+0x302/0x540 [ 1077.334768] out_of_memory+0xa84/0x1430 [ 1077.338752] ? oom_killer_disable+0x3a0/0x3a0 [ 1077.343250] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1077.348182] ? __ww_mutex_check_waiters+0x160/0x160 [ 1077.353235] __alloc_pages_slowpath+0x2354/0x2e10 [ 1077.358110] ? warn_alloc+0x120/0x120 [ 1077.361911] ? mark_held_locks+0x130/0x130 [ 1077.366150] ? find_get_entry+0xaae/0x1120 [ 1077.370400] ? filemap_map_pages+0x1a20/0x1a20 [ 1077.374985] ? zap_class+0x640/0x640 [ 1077.378707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1077.384255] ? check_preemption_disabled+0x48/0x280 [ 1077.389271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1077.394806] ? should_fail+0x22d/0xd01 [ 1077.398700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1077.403810] ? zap_class+0x640/0x640 [ 1077.407551] ? __lock_is_held+0xb5/0x140 [ 1077.411622] ? mark_held_locks+0x130/0x130 [ 1077.415859] ? lock_release+0xa00/0xa00 [ 1077.419834] ? perf_trace_sched_process_exec+0x860/0x860 [ 1077.425282] ? xa_load+0x2ba/0x460 [ 1077.428839] ? lock_downgrade+0x900/0x900 [ 1077.432991] ? __might_sleep+0x95/0x190 [ 1077.436970] __alloc_pages_nodemask+0xa80/0xde0 [ 1077.441689] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1077.446706] ? __page_cache_alloc+0x191/0x5c0 [ 1077.451210] ? xa_load+0x2e1/0x460 [ 1077.454752] ? xa_clear_mark+0x40/0x40 [ 1077.458643] ? zap_class+0x640/0x640 [ 1077.462363] ? zap_class+0x640/0x640 [ 1077.466084] ? zap_class+0x640/0x640 [ 1077.469801] ? __do_page_cache_readahead+0x663/0x810 [ 1077.474917] ? find_held_lock+0x36/0x1c0 [ 1077.478985] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1077.484527] alloc_pages_current+0x173/0x350 [ 1077.488943] __page_cache_alloc+0x38c/0x5c0 [ 1077.493262] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1077.498205] ? kasan_check_read+0x11/0x20 [ 1077.502355] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1077.507634] ? generic_perform_write+0x6a0/0x6a0 [ 1077.512391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1077.517941] ? check_preemption_disabled+0x48/0x280 [ 1077.522963] filemap_fault+0x1595/0x25f0 [ 1077.527041] ? __lock_page_or_retry+0xa00/0xa00 [ 1077.531713] ? mark_held_locks+0x130/0x130 [ 1077.535977] ? filemap_map_pages+0xd6b/0x1a20 [ 1077.540474] ? lock_downgrade+0x900/0x900 [ 1077.544624] ? check_preemption_disabled+0x48/0x280 [ 1077.549734] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1077.554789] ? kasan_check_read+0x11/0x20 [ 1077.558937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1077.564217] ? rcu_softirq_qs+0x20/0x20 [ 1077.568216] ? filemap_map_pages+0xd92/0x1a20 [ 1077.572738] ? find_get_entries_tag+0x1400/0x1400 [ 1077.577579] ? find_held_lock+0x36/0x1c0 [ 1077.581659] ? lock_acquire+0x1ed/0x520 [ 1077.585636] ? ext4_filemap_fault+0x7a/0xad [ 1077.589971] ? lock_release+0xa00/0xa00 [ 1077.593942] ? perf_trace_sched_process_exec+0x860/0x860 [ 1077.599397] ? print_usage_bug+0xc0/0xc0 [ 1077.603474] ? down_read+0x8d/0x120 [ 1077.607096] ? ext4_filemap_fault+0x7a/0xad [ 1077.611415] ? __down_interruptible+0x700/0x700 [ 1077.616084] ? find_held_lock+0x36/0x1c0 [ 1077.620150] ext4_filemap_fault+0x82/0xad [ 1077.624312] __do_fault+0x100/0x6b0 [ 1077.627943] ? lock_downgrade+0x900/0x900 [ 1077.632092] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1077.637209] ? kasan_check_read+0x11/0x20 [ 1077.641356] ? do_raw_spin_unlock+0xa7/0x330 [ 1077.645766] ? do_raw_spin_trylock+0x270/0x270 [ 1077.650362] __handle_mm_fault+0x3ea0/0x5be0 [ 1077.654767] ? perf_trace_lock+0x7a0/0x7a0 [ 1077.659016] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1077.663869] ? ksys_dup3+0x680/0x680 [ 1077.667597] ? zap_class+0x640/0x640 [ 1077.671311] ? zap_class+0x640/0x640 [ 1077.675024] ? __x64_sys_futex+0x53e/0x6a0 [ 1077.679264] ? find_held_lock+0x36/0x1c0 [ 1077.683343] ? handle_mm_fault+0x42a/0xc70 [ 1077.687579] ? lock_downgrade+0x900/0x900 [ 1077.691730] ? check_preemption_disabled+0x48/0x280 [ 1077.696749] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1077.701690] ? kasan_check_read+0x11/0x20 [ 1077.705839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1077.711116] ? rcu_softirq_qs+0x20/0x20 [ 1077.715108] ? trace_hardirqs_off_caller+0x310/0x310 [ 1077.720215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1077.725752] ? check_preemption_disabled+0x48/0x280 [ 1077.730790] handle_mm_fault+0x54f/0xc70 [ 1077.734853] ? __handle_mm_fault+0x5be0/0x5be0 [ 1077.739438] ? find_vma+0x34/0x190 [ 1077.742982] __do_page_fault+0x5e8/0xe60 [ 1077.747045] ? trace_hardirqs_off+0xb8/0x310 [ 1077.751451] ? kernel_write+0x120/0x120 [ 1077.755437] do_page_fault+0xf2/0x7e0 [ 1077.759246] ? vmalloc_sync_all+0x30/0x30 [ 1077.763398] ? error_entry+0x70/0xd0 [ 1077.767117] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1077.772135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1077.777075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1077.782008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1077.786853] ? trace_hardirqs_on_caller+0x310/0x310 [ 1077.791867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1077.797321] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1077.802425] ? page_fault+0x8/0x30 [ 1077.805968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1077.810813] ? page_fault+0x8/0x30 [ 1077.814353] page_fault+0x1e/0x30 [ 1077.817806] RIP: 0033:0x404068 [ 1077.821194] Code: Bad RIP value. [ 1077.824553] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1077.829911] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1077.837187] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1077.844468] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1077.851737] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1077.859011] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1077.866303] warn_alloc_show_mem: 1 callbacks suppressed [ 1077.866314] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1077.866316] Mem-Info: [ 1077.866347] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1077.866347] active_file:12 inactive_file:9 isolated_file:0 [ 1077.866347] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1077.866347] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1077.866347] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1077.866347] free:13627 free_pcp:121 free_cma:0 [ 1077.871693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1077.878970] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1077.881364] Call Trace: [ 1077.914315] 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 [ 1077.923677] dump_stack+0x244/0x39d [ 1077.951339] lowmem_reserve[]: 0 2818 6321 6321 [ 1077.953937] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1077.980042] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1077.983684] warn_alloc.cold.116+0xb7/0x1bd [ 1077.988230] lowmem_reserve[]: 0 0 3503 3503 [ 1077.993419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1078.020723] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1078.025046] ? lock_downgrade+0x900/0x900 [ 1078.029339] lowmem_reserve[]: 0 0 0 0 [ 1078.034188] ? trace_hardirqs_off+0xb8/0x310 [ 1078.062874] 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 [ 1078.067030] ? trace_hardirqs_off+0xb8/0x310 [ 1078.070802] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1078.075215] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1078.089179] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1078.093642] ? warn_alloc+0x120/0x120 [ 1078.109223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1078.114062] ? warn_alloc+0x120/0x120 [ 1078.127140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1078.130932] ? dev_hard_start_xmit+0x42c/0xc80 [ 1078.139743] 4359 total pagecache pages [ 1078.143540] ? warn_alloc+0x120/0x120 [ 1078.152102] 0 pages in swap cache [ 1078.156674] ? print_usage_bug+0xc0/0xc0 [ 1078.160538] Swap cache stats: add 0, delete 0, find 0/0 [ 1078.164324] ? find_held_lock+0x36/0x1c0 [ 1078.164343] ? print_usage_bug+0xc0/0xc0 [ 1078.167785] Free swap = 0kB [ 1078.171845] ? cpuacct_charge+0x265/0x440 [ 1078.177181] Total swap = 0kB [ 1078.181264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1078.185304] 1965979 pages RAM [ 1078.188318] ? should_fail+0x22d/0xd01 [ 1078.192439] 0 pages HighMem/MovableOnly [ 1078.195444] ? find_held_lock+0x36/0x1c0 [ 1078.195464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1078.201008] 342854 pages reserved [ 1078.204112] ? __lock_acquire+0x62f/0x4c20 [ 1078.207982] 0 pages cma reserved [ 1078.211954] ? should_fail+0x22d/0xd01 [ 1078.216057] aoe: skb alloc failure [ 1078.221104] ? mark_held_locks+0x130/0x130 [ 1078.224550] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1078.228757] ? mark_held_locks+0x130/0x130 [ 1078.232100] syz-fuzzer cpuset=/ mems_allowed=0 [ 1078.236000] ? __lock_acquire+0x62f/0x4c20 [ 1078.266995] ? zap_class+0x640/0x640 [ 1078.270710] ? __lock_is_held+0xb5/0x140 [ 1078.274774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.280314] ? check_preemption_disabled+0x48/0x280 [ 1078.285339] ? __lock_is_held+0xb5/0x140 [ 1078.289406] __alloc_pages_nodemask+0xa80/0xde0 [ 1078.294074] ? zap_class+0x640/0x640 [ 1078.297790] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1078.302815] ? find_held_lock+0x36/0x1c0 [ 1078.306905] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1078.311571] ? lock_downgrade+0x900/0x900 [ 1078.315724] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1078.321271] cache_grow_begin+0xa5/0x8c0 [ 1078.325330] ? do_raw_spin_unlock+0xa7/0x330 [ 1078.329743] fallback_alloc+0x204/0x2e0 [ 1078.333722] ____cache_alloc_node+0x1c7/0x1e0 [ 1078.338224] kmem_cache_alloc+0x1f8/0x730 [ 1078.342378] skb_clone+0x1bb/0x500 [ 1078.345917] ? finish_task_switch+0x2f4/0x910 [ 1078.350413] ? skb_split+0x11e0/0x11e0 [ 1078.354302] ? preempt_notifier_register+0x200/0x200 [ 1078.359398] ? __switch_to_asm+0x34/0x70 [ 1078.363452] ? __switch_to_asm+0x34/0x70 [ 1078.367510] ? __switch_to_asm+0x40/0x70 [ 1078.371651] ? __switch_to_asm+0x34/0x70 [ 1078.375705] ? __switch_to_asm+0x40/0x70 [ 1078.379760] ? __switch_to_asm+0x34/0x70 [ 1078.383832] ? __switch_to_asm+0x40/0x70 [ 1078.387884] ? __switch_to_asm+0x34/0x70 [ 1078.391944] ? __switch_to_asm+0x34/0x70 [ 1078.396000] ? __switch_to_asm+0x40/0x70 [ 1078.400054] ? __switch_to_asm+0x34/0x70 [ 1078.404127] bpf_clone_redirect+0xb9/0x490 [ 1078.408458] ? __schedule+0x8d7/0x21d0 [ 1078.412350] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1078.417367] ? __sched_text_start+0x8/0x8 [ 1078.421529] ? find_held_lock+0x36/0x1c0 [ 1078.425598] ? lock_acquire+0x1ed/0x520 [ 1078.429572] ? bpf_test_run+0x3cb/0x780 [ 1078.433547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.439087] ? check_preemption_disabled+0x48/0x280 [ 1078.444116] ? kasan_check_read+0x11/0x20 [ 1078.448259] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1078.453618] ? rcu_softirq_qs+0x20/0x20 [ 1078.457588] ? preempt_schedule+0x4d/0x60 [ 1078.461733] ? ___preempt_schedule+0x16/0x18 [ 1078.466186] ? bpf_test_run+0x25d/0x780 [ 1078.470188] ? netlink_diag_dump+0x2a0/0x2a0 [ 1078.474770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1078.480304] ? bpf_test_init.isra.10+0x70/0x100 [ 1078.484987] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1078.489753] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1078.494590] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1078.500127] ? fput+0x130/0x1a0 [ 1078.503410] ? __bpf_prog_get+0x9b/0x290 [ 1078.507470] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1078.512305] ? bpf_prog_test_run+0x130/0x1a0 [ 1078.516717] ? __x64_sys_bpf+0x3d8/0x520 [ 1078.520778] ? bpf_prog_get+0x20/0x20 [ 1078.524597] ? do_syscall_64+0x1b9/0x820 [ 1078.528653] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1078.534019] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1078.538949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1078.543795] ? trace_hardirqs_on_caller+0x310/0x310 [ 1078.548810] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1078.553828] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1078.558850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1078.563698] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1078.569077] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1078.569498] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1078.576106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1078.586569] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1078.595907] Call Trace: [ 1078.603551] [ 1078.605702] dump_stack+0x244/0x39d [ 1078.609329] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1078.614530] warn_alloc.cold.116+0xb7/0x1bd [ 1078.618849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1078.623864] ? lock_downgrade+0x900/0x900 [ 1078.628015] ? trace_hardirqs_off+0xb8/0x310 [ 1078.632424] ? trace_hardirqs_off+0xb8/0x310 [ 1078.636837] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1078.641703] ? warn_alloc+0x120/0x120 [ 1078.645504] ? warn_alloc+0x120/0x120 [ 1078.649305] ? __lock_acquire+0x62f/0x4c20 [ 1078.653536] ? warn_alloc+0x120/0x120 [ 1078.657332] ? print_usage_bug+0xc0/0xc0 [ 1078.661394] ? print_usage_bug+0xc0/0xc0 [ 1078.665456] ? mark_held_locks+0x130/0x130 [ 1078.669691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1078.675224] ? should_fail+0x22d/0xd01 [ 1078.679111] ? zap_class+0x640/0x640 [ 1078.682828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1078.687929] ? __lock_acquire+0x62f/0x4c20 [ 1078.692167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1078.697265] ? should_fail+0x22d/0xd01 [ 1078.701157] ? mark_held_locks+0x130/0x130 [ 1078.705388] ? mark_held_locks+0x130/0x130 [ 1078.709622] ? lock_downgrade+0x900/0x900 [ 1078.713764] ? zap_class+0x640/0x640 [ 1078.717474] ? zap_class+0x640/0x640 [ 1078.721192] ? zap_class+0x640/0x640 [ 1078.724901] ? do_raw_spin_unlock+0xa7/0x330 [ 1078.729305] ? trace_hardirqs_on+0x310/0x310 [ 1078.733708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.739239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.744773] ? check_preemption_disabled+0x48/0x280 [ 1078.749791] ? __lock_is_held+0xb5/0x140 [ 1078.753853] __alloc_pages_nodemask+0xa80/0xde0 [ 1078.758517] ? zap_class+0x640/0x640 [ 1078.762229] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1078.767253] ? find_held_lock+0x36/0x1c0 [ 1078.771317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1078.775982] ? lock_downgrade+0x900/0x900 [ 1078.780135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.785671] cache_grow_begin+0xa5/0x8c0 [ 1078.789730] ? do_raw_spin_unlock+0xa7/0x330 [ 1078.794145] fallback_alloc+0x204/0x2e0 [ 1078.798205] ____cache_alloc_node+0x1c7/0x1e0 [ 1078.802702] kmem_cache_alloc_node+0xe3/0x730 [ 1078.807190] ? __kmalloc_node_track_caller+0x50/0x70 [ 1078.812288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1078.817828] __alloc_skb+0x119/0x770 [ 1078.821535] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1078.826896] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1078.831306] ? vprintk_default+0x28/0x30 [ 1078.835361] ? vprintk_func+0x85/0x181 [ 1078.839246] ? printk+0xa7/0xcf [ 1078.842523] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1078.847277] ? do_raw_spin_trylock+0x270/0x270 [ 1078.851858] new_skb+0x26/0x1c0 [ 1078.855138] aoecmd_cfg+0x279/0x7f0 [ 1078.858771] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1078.863104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.868649] ? __lock_is_held+0xb5/0x140 [ 1078.872717] discover_timer+0x50/0x60 [ 1078.876510] call_timer_fn+0x272/0x920 [ 1078.880396] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1078.885233] ? process_timeout+0x40/0x40 [ 1078.889302] ? mark_held_locks+0xc7/0x130 [ 1078.893449] ? _raw_spin_unlock_irq+0x27/0x80 [ 1078.897939] ? _raw_spin_unlock_irq+0x27/0x80 [ 1078.902434] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1078.907275] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1078.912340] ? trace_hardirqs_on+0xbd/0x310 [ 1078.916665] ? kasan_check_read+0x11/0x20 [ 1078.920806] ? __run_timers+0x7da/0xc70 [ 1078.924777] ? trace_hardirqs_off_caller+0x310/0x310 [ 1078.929893] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1078.934730] __run_timers+0x7e5/0xc70 [ 1078.938542] ? timer_fixup_init+0x70/0x70 [ 1078.942690] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1078.947700] ? zap_class+0x640/0x640 [ 1078.951413] ? print_usage_bug+0xc0/0xc0 [ 1078.955475] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1078.960667] ? find_held_lock+0x36/0x1c0 [ 1078.964728] ? zap_class+0x640/0x640 [ 1078.968445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.973983] ? check_preemption_disabled+0x48/0x280 [ 1078.979005] ? __lock_is_held+0xb5/0x140 [ 1078.983067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1078.988598] ? check_preemption_disabled+0x48/0x280 [ 1078.993613] run_timer_softirq+0x52/0xb0 [ 1078.997668] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1079.002682] __do_softirq+0x308/0xb7e [ 1079.006481] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1079.010981] ? lock_downgrade+0x900/0x900 [ 1079.015127] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1079.020235] ? pvclock_read_flags+0x160/0x160 [ 1079.024727] ? lapic_next_event+0x5a/0x90 [ 1079.028872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.034410] ? kvm_clock_read+0x18/0x30 [ 1079.038386] ? kvm_sched_clock_read+0x9/0x20 [ 1079.042795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.048588] ? check_preemption_disabled+0x48/0x280 [ 1079.053611] irq_exit+0x17f/0x1c0 [ 1079.057073] smp_apic_timer_interrupt+0x1cb/0x760 [ 1079.061909] ? smp_reschedule_interrupt+0x109/0x650 [ 1079.066919] ? smp_call_function_single_interrupt+0x650/0x650 [ 1079.072801] ? interrupt_entry+0xb5/0xc0 [ 1079.076860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1079.081870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1079.086881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1079.091719] ? trace_hardirqs_on_caller+0x310/0x310 [ 1079.096726] ? trace_hardirqs_on_caller+0x310/0x310 [ 1079.101737] ? task_prio+0x50/0x50 [ 1079.105272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.110806] ? check_preemption_disabled+0x48/0x280 [ 1079.115820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1079.120667] apic_timer_interrupt+0xf/0x20 [ 1079.124891] [ 1079.127220] RIP: 0010:console_unlock+0x102f/0x1190 [ 1079.132146] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1079.151059] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1079.158764] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1079.166243] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1079.173508] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1079.180772] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1079.188033] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1079.195314] ? netconsole_netdev_event+0x280/0x280 [ 1079.200333] ? console_unlock+0x1026/0x1190 [ 1079.204668] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1079.209332] ? vprintk_emit+0x846/0x990 [ 1079.213306] ? lock_release+0xa00/0xa00 [ 1079.218233] ? trace_hardirqs_on+0x70/0x310 [ 1079.222547] ? vprintk_default+0x28/0x30 [ 1079.226605] ? trace_hardirqs_off_caller+0x310/0x310 [ 1079.231704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.237244] vprintk_emit+0x391/0x990 [ 1079.241057] ? wake_up_klogd+0x180/0x180 [ 1079.245123] ? find_held_lock+0x11/0x1c0 [ 1079.249190] ? mark_held_locks+0xc7/0x130 [ 1079.253333] ? _raw_spin_unlock_irq+0x27/0x80 [ 1079.257823] ? _raw_spin_unlock_irq+0x27/0x80 [ 1079.262319] vprintk_default+0x28/0x30 [ 1079.266221] vprintk_func+0x7e/0x181 [ 1079.269932] printk+0xa7/0xcf [ 1079.273031] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1079.277788] ? _raw_spin_unlock_irq+0x60/0x80 [ 1079.282291] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1079.287570] dump_header+0x7cc/0xf72 [ 1079.291286] ? pagefault_out_of_memory+0x197/0x197 [ 1079.296218] ? __lock_acquire+0x62f/0x4c20 [ 1079.300456] ? print_usage_bug+0xc0/0xc0 [ 1079.304520] ? zap_class+0x640/0x640 [ 1079.308235] ? print_usage_bug+0xc0/0xc0 [ 1079.312300] ? print_usage_bug+0xc0/0xc0 [ 1079.316361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.321897] ? find_held_lock+0x36/0x1c0 [ 1079.325964] ? mark_held_locks+0xc7/0x130 [ 1079.330111] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1079.335206] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1079.340309] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1079.344891] ? trace_hardirqs_on+0xbd/0x310 [ 1079.349206] ? kasan_check_read+0x11/0x20 [ 1079.353347] ? ___ratelimit+0x3b4/0x672 [ 1079.357318] ? trace_hardirqs_off_caller+0x310/0x310 [ 1079.362421] ? trace_hardirqs_on+0x310/0x310 [ 1079.366829] ? lock_downgrade+0x900/0x900 [ 1079.370980] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1079.376082] ? ___ratelimit+0x3b9/0x672 [ 1079.380062] ? idr_get_free+0xf70/0xf70 [ 1079.384038] ? find_held_lock+0x36/0x1c0 [ 1079.388221] oom_kill_process.cold.27+0x10/0x903 [ 1079.392970] ? zap_class+0x640/0x640 [ 1079.396680] ? check_preemption_disabled+0x48/0x280 [ 1079.401697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1079.406619] ? kasan_check_read+0x11/0x20 [ 1079.410759] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1079.416060] ? oom_evaluate_task+0x540/0x540 [ 1079.420466] ? find_held_lock+0x36/0x1c0 [ 1079.424528] ? out_of_memory+0x974/0x1430 [ 1079.428673] ? lock_downgrade+0x900/0x900 [ 1079.432815] ? check_preemption_disabled+0x48/0x280 [ 1079.437834] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1079.442761] ? kasan_check_read+0x11/0x20 [ 1079.446901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1079.452173] ? rcu_softirq_qs+0x20/0x20 [ 1079.456145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1079.461678] ? oom_evaluate_task+0x302/0x540 [ 1079.466084] out_of_memory+0xa84/0x1430 [ 1079.470323] ? oom_killer_disable+0x3a0/0x3a0 [ 1079.476462] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1079.481392] ? __ww_mutex_check_waiters+0x160/0x160 [ 1079.486422] __alloc_pages_slowpath+0x2354/0x2e10 [ 1079.491375] ? warn_alloc+0x120/0x120 [ 1079.495173] ? mark_held_locks+0x130/0x130 [ 1079.499414] ? find_get_entry+0xaae/0x1120 [ 1079.503653] ? filemap_map_pages+0x1a20/0x1a20 [ 1079.508239] ? zap_class+0x640/0x640 [ 1079.511954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1079.517485] ? check_preemption_disabled+0x48/0x280 [ 1079.522499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1079.528037] ? should_fail+0x22d/0xd01 [ 1079.531925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1079.537036] ? zap_class+0x640/0x640 [ 1079.540771] ? __lock_is_held+0xb5/0x140 [ 1079.544841] ? mark_held_locks+0x130/0x130 [ 1079.549077] ? lock_release+0xa00/0xa00 [ 1079.553047] ? perf_trace_sched_process_exec+0x860/0x860 [ 1079.558493] ? xa_load+0x2ba/0x460 [ 1079.562035] ? lock_downgrade+0x900/0x900 [ 1079.566182] ? __might_sleep+0x95/0x190 [ 1079.570156] __alloc_pages_nodemask+0xa80/0xde0 [ 1079.574826] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1079.579838] ? __page_cache_alloc+0x191/0x5c0 [ 1079.584326] ? xa_load+0x2e1/0x460 [ 1079.587862] ? xa_clear_mark+0x40/0x40 [ 1079.591748] ? zap_class+0x640/0x640 [ 1079.595464] ? zap_class+0x640/0x640 [ 1079.599178] ? zap_class+0x640/0x640 [ 1079.602885] ? __do_page_cache_readahead+0x663/0x810 [ 1079.607989] ? find_held_lock+0x36/0x1c0 [ 1079.612060] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1079.617598] alloc_pages_current+0x173/0x350 [ 1079.622017] __page_cache_alloc+0x38c/0x5c0 [ 1079.626342] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1079.631267] ? kasan_check_read+0x11/0x20 [ 1079.635408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1079.640682] ? generic_perform_write+0x6a0/0x6a0 [ 1079.645441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1079.650974] ? check_preemption_disabled+0x48/0x280 [ 1079.655997] filemap_fault+0x1595/0x25f0 [ 1079.660077] ? __lock_page_or_retry+0xa00/0xa00 [ 1079.664743] ? mark_held_locks+0x130/0x130 [ 1079.668981] ? filemap_map_pages+0xd6b/0x1a20 [ 1079.673494] ? lock_downgrade+0x900/0x900 [ 1079.677635] ? check_preemption_disabled+0x48/0x280 [ 1079.682648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1079.687569] ? kasan_check_read+0x11/0x20 [ 1079.691709] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1079.696980] ? rcu_softirq_qs+0x20/0x20 [ 1079.700972] ? filemap_map_pages+0xd92/0x1a20 [ 1079.705481] ? find_get_entries_tag+0x1400/0x1400 [ 1079.710317] ? find_held_lock+0x36/0x1c0 [ 1079.714396] ? lock_acquire+0x1ed/0x520 [ 1079.718370] ? ext4_filemap_fault+0x7a/0xad [ 1079.722690] ? lock_release+0xa00/0xa00 [ 1079.726658] ? perf_trace_sched_process_exec+0x860/0x860 [ 1079.732107] ? print_usage_bug+0xc0/0xc0 [ 1079.736178] ? down_read+0x8d/0x120 [ 1079.739800] ? ext4_filemap_fault+0x7a/0xad [ 1079.744116] ? __down_interruptible+0x700/0x700 [ 1079.748786] ? find_held_lock+0x36/0x1c0 [ 1079.752849] ext4_filemap_fault+0x82/0xad [ 1079.757009] __do_fault+0x100/0x6b0 [ 1079.760632] ? lock_downgrade+0x900/0x900 [ 1079.764778] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1079.769882] ? kasan_check_read+0x11/0x20 [ 1079.774027] ? do_raw_spin_unlock+0xa7/0x330 [ 1079.778431] ? do_raw_spin_trylock+0x270/0x270 [ 1079.783033] __handle_mm_fault+0x3ea0/0x5be0 [ 1079.787441] ? perf_trace_lock+0x7a0/0x7a0 [ 1079.791681] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1079.796526] ? ksys_dup3+0x680/0x680 [ 1079.800249] ? zap_class+0x640/0x640 [ 1079.803955] ? zap_class+0x640/0x640 [ 1079.807661] ? __x64_sys_futex+0x53e/0x6a0 [ 1079.811896] ? find_held_lock+0x36/0x1c0 [ 1079.815962] ? handle_mm_fault+0x42a/0xc70 [ 1079.820202] ? lock_downgrade+0x900/0x900 [ 1079.824349] ? check_preemption_disabled+0x48/0x280 [ 1079.829377] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1079.834303] ? kasan_check_read+0x11/0x20 [ 1079.838443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1079.843714] ? rcu_softirq_qs+0x20/0x20 [ 1079.847681] ? trace_hardirqs_off_caller+0x310/0x310 [ 1079.852872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1079.858406] ? check_preemption_disabled+0x48/0x280 [ 1079.863427] handle_mm_fault+0x54f/0xc70 [ 1079.867486] ? __handle_mm_fault+0x5be0/0x5be0 [ 1079.872067] ? find_vma+0x34/0x190 [ 1079.875610] __do_page_fault+0x5e8/0xe60 [ 1079.879665] ? trace_hardirqs_off+0xb8/0x310 [ 1079.884069] ? kernel_write+0x120/0x120 [ 1079.888049] do_page_fault+0xf2/0x7e0 [ 1079.891846] ? vmalloc_sync_all+0x30/0x30 [ 1079.895998] ? error_entry+0x70/0xd0 [ 1079.899708] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1079.904721] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1079.910165] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1079.915088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1079.919928] ? trace_hardirqs_on_caller+0x310/0x310 [ 1079.924952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1079.930413] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1079.935427] ? page_fault+0x8/0x30 [ 1079.939063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1079.943903] ? page_fault+0x8/0x30 [ 1079.947441] page_fault+0x1e/0x30 [ 1079.950886] RIP: 0033:0x404068 [ 1079.954082] Code: Bad RIP value. [ 1079.957444] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1079.962799] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1079.970064] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1079.977327] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1079.984594] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1079.991870] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1079.999153] warn_alloc_show_mem: 1 callbacks suppressed [ 1079.999164] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1079.999166] Mem-Info: [ 1079.999197] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1079.999197] active_file:12 inactive_file:9 isolated_file:0 [ 1079.999197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1079.999197] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1079.999197] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1079.999197] free:13627 free_pcp:121 free_cma:0 [ 1080.004536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1080.011819] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1080.014210] Call Trace: [ 1080.047426] 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 [ 1080.056779] dump_stack+0x244/0x39d [ 1080.084774] lowmem_reserve[]: 0 2818 6321 6321 [ 1080.087386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1080.113535] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1080.117167] warn_alloc.cold.116+0xb7/0x1bd [ 1080.121700] lowmem_reserve[]: 0 0 3503 3503 [ 1080.126888] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1080.154192] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1080.158508] ? lock_downgrade+0x900/0x900 [ 1080.162792] lowmem_reserve[]: 0 0 0 0 [ 1080.167642] ? trace_hardirqs_off+0xb8/0x310 [ 1080.196319] 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 [ 1080.200464] ? trace_hardirqs_off+0xb8/0x310 [ 1080.204234] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1080.208640] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1080.222128] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1080.226558] ? warn_alloc+0x120/0x120 [ 1080.242116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1080.246943] ? warn_alloc+0x120/0x120 [ 1080.259997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1080.260005] 4359 total pagecache pages [ 1080.263973] ? dev_hard_start_xmit+0x42c/0xc80 [ 1080.272785] 0 pages in swap cache [ 1080.276569] ? warn_alloc+0x120/0x120 [ 1080.285116] Swap cache stats: add 0, delete 0, find 0/0 [ 1080.288989] ? print_usage_bug+0xc0/0xc0 [ 1080.293547] Free swap = 0kB [ 1080.296988] ? find_held_lock+0x36/0x1c0 [ 1080.300758] Total swap = 0kB [ 1080.306108] ? print_usage_bug+0xc0/0xc0 [ 1080.310136] 1965979 pages RAM [ 1080.313145] ? cpuacct_charge+0x265/0x440 [ 1080.317177] 0 pages HighMem/MovableOnly [ 1080.320188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1080.324218] 342854 pages reserved [ 1080.327313] ? should_fail+0x22d/0xd01 [ 1080.331432] 0 pages cma reserved [ 1080.335395] ? find_held_lock+0x36/0x1c0 [ 1080.340966] aoe: skb alloc failure [ 1080.344345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1080.348253] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1080.351562] ? __lock_acquire+0x62f/0x4c20 [ 1080.355605] syz-fuzzer cpuset=/ mems_allowed=0 [ 1080.359307] ? should_fail+0x22d/0xd01 [ 1080.387359] ? mark_held_locks+0x130/0x130 [ 1080.391596] ? mark_held_locks+0x130/0x130 [ 1080.395833] ? __lock_acquire+0x62f/0x4c20 [ 1080.400073] ? zap_class+0x640/0x640 [ 1080.403805] ? __lock_is_held+0xb5/0x140 [ 1080.407872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1080.413412] ? check_preemption_disabled+0x48/0x280 [ 1080.418435] ? __lock_is_held+0xb5/0x140 [ 1080.422499] __alloc_pages_nodemask+0xa80/0xde0 [ 1080.427166] ? zap_class+0x640/0x640 [ 1080.430885] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1080.435911] ? find_held_lock+0x36/0x1c0 [ 1080.439986] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1080.444653] ? lock_downgrade+0x900/0x900 [ 1080.448805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1080.454363] cache_grow_begin+0xa5/0x8c0 [ 1080.458422] ? do_raw_spin_unlock+0xa7/0x330 [ 1080.462840] fallback_alloc+0x204/0x2e0 [ 1080.466823] ____cache_alloc_node+0x1c7/0x1e0 [ 1080.471324] kmem_cache_alloc+0x1f8/0x730 [ 1080.475483] skb_clone+0x1bb/0x500 [ 1080.479025] ? finish_task_switch+0x2f4/0x910 [ 1080.483521] ? skb_split+0x11e0/0x11e0 [ 1080.487415] ? preempt_notifier_register+0x200/0x200 [ 1080.492511] ? __switch_to_asm+0x34/0x70 [ 1080.496566] ? __switch_to_asm+0x34/0x70 [ 1080.500623] ? __switch_to_asm+0x40/0x70 [ 1080.504681] ? __switch_to_asm+0x34/0x70 [ 1080.508743] ? __switch_to_asm+0x40/0x70 [ 1080.512814] ? __switch_to_asm+0x34/0x70 [ 1080.516871] ? __switch_to_asm+0x40/0x70 [ 1080.520926] ? __switch_to_asm+0x34/0x70 [ 1080.524989] ? __switch_to_asm+0x34/0x70 [ 1080.529046] ? __switch_to_asm+0x40/0x70 [ 1080.533102] ? __switch_to_asm+0x34/0x70 [ 1080.537169] bpf_clone_redirect+0xb9/0x490 [ 1080.541404] ? __schedule+0x8d7/0x21d0 [ 1080.545296] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1080.550315] ? __sched_text_start+0x8/0x8 [ 1080.554475] ? find_held_lock+0x36/0x1c0 [ 1080.558543] ? lock_acquire+0x1ed/0x520 [ 1080.562518] ? bpf_test_run+0x3cb/0x780 [ 1080.566494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1080.572032] ? check_preemption_disabled+0x48/0x280 [ 1080.577051] ? kasan_check_read+0x11/0x20 [ 1080.581197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1080.586473] ? rcu_softirq_qs+0x20/0x20 [ 1080.590445] ? preempt_schedule+0x4d/0x60 [ 1080.594592] ? ___preempt_schedule+0x16/0x18 [ 1080.599004] ? bpf_test_run+0x25d/0x780 [ 1080.602987] ? netlink_diag_dump+0x2a0/0x2a0 [ 1080.607401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1080.613457] ? bpf_test_init.isra.10+0x70/0x100 [ 1080.618127] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1080.622894] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1080.627730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1080.633263] ? fput+0x130/0x1a0 [ 1080.636540] ? __bpf_prog_get+0x9b/0x290 [ 1080.640605] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1080.645450] ? bpf_prog_test_run+0x130/0x1a0 [ 1080.649860] ? __x64_sys_bpf+0x3d8/0x520 [ 1080.653922] ? bpf_prog_get+0x20/0x20 [ 1080.657747] ? do_syscall_64+0x1b9/0x820 [ 1080.661815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1080.667176] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1080.672102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1080.676963] ? trace_hardirqs_on_caller+0x310/0x310 [ 1080.681980] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1080.687000] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1080.692023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1080.696868] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1080.702250] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1080.702481] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1080.709260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1080.709265] Call Trace: [ 1080.709273] [ 1080.709296] dump_stack+0x244/0x39d [ 1080.720044] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1080.729402] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1080.748081] warn_alloc.cold.116+0xb7/0x1bd [ 1080.752405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1080.757246] ? lock_downgrade+0x900/0x900 [ 1080.761395] ? trace_hardirqs_off+0xb8/0x310 [ 1080.765805] ? trace_hardirqs_off+0xb8/0x310 [ 1080.770217] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1080.775086] ? warn_alloc+0x120/0x120 [ 1080.778885] ? warn_alloc+0x120/0x120 [ 1080.782691] ? warn_alloc+0x120/0x120 [ 1080.786488] ? print_usage_bug+0xc0/0xc0 [ 1080.790547] ? print_usage_bug+0xc0/0xc0 [ 1080.794600] ? ktime_get+0x2c1/0x400 [ 1080.798316] ? check_preemption_disabled+0x48/0x280 [ 1080.803326] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1080.807816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1080.813347] ? should_fail+0x22d/0xd01 [ 1080.817233] ? kasan_check_read+0x11/0x20 [ 1080.821381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1080.826483] ? __lock_acquire+0x62f/0x4c20 [ 1080.830716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1080.835813] ? should_fail+0x22d/0xd01 [ 1080.839693] ? print_usage_bug+0xc0/0xc0 [ 1080.843756] ? mark_held_locks+0x130/0x130 [ 1080.847993] ? mark_held_locks+0x130/0x130 [ 1080.852224] ? check_preemption_disabled+0x48/0x280 [ 1080.857242] ? zap_class+0x640/0x640 [ 1080.860959] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1080.865713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1080.871245] ? check_preemption_disabled+0x48/0x280 [ 1080.876268] ? __lock_is_held+0xb5/0x140 [ 1080.880333] __alloc_pages_nodemask+0xa80/0xde0 [ 1080.884997] ? zap_class+0x640/0x640 [ 1080.888713] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1080.893734] ? find_held_lock+0x36/0x1c0 [ 1080.897798] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1080.902463] ? lock_downgrade+0x900/0x900 [ 1080.906612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1080.912708] cache_grow_begin+0xa5/0x8c0 [ 1080.916770] ? do_raw_spin_unlock+0xa7/0x330 [ 1080.921182] fallback_alloc+0x204/0x2e0 [ 1080.925160] ____cache_alloc_node+0x1c7/0x1e0 [ 1080.929659] kmem_cache_alloc_node+0xe3/0x730 [ 1080.934152] ? __kmalloc_node_track_caller+0x50/0x70 [ 1080.939254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1080.944795] __alloc_skb+0x119/0x770 [ 1080.948502] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1080.953863] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1080.958279] ? vprintk_default+0x28/0x30 [ 1080.962337] ? vprintk_func+0x85/0x181 [ 1080.966220] ? printk+0xa7/0xcf [ 1080.969497] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1080.974252] ? do_raw_spin_trylock+0x270/0x270 [ 1080.978841] new_skb+0x26/0x1c0 [ 1080.982116] aoecmd_cfg+0x279/0x7f0 [ 1080.985743] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1080.990065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1080.995606] ? __lock_is_held+0xb5/0x140 [ 1080.999675] discover_timer+0x50/0x60 [ 1081.003467] call_timer_fn+0x272/0x920 [ 1081.007348] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1081.012185] ? process_timeout+0x40/0x40 [ 1081.016248] ? mark_held_locks+0xc7/0x130 [ 1081.020398] ? _raw_spin_unlock_irq+0x27/0x80 [ 1081.024888] ? _raw_spin_unlock_irq+0x27/0x80 [ 1081.029384] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1081.034221] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1081.038801] ? trace_hardirqs_on+0xbd/0x310 [ 1081.043117] ? kasan_check_read+0x11/0x20 [ 1081.047267] ? __run_timers+0x7da/0xc70 [ 1081.051248] ? trace_hardirqs_off_caller+0x310/0x310 [ 1081.056363] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1081.061201] __run_timers+0x7e5/0xc70 [ 1081.065007] ? timer_fixup_init+0x70/0x70 [ 1081.069154] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1081.074168] ? zap_class+0x640/0x640 [ 1081.077881] ? print_usage_bug+0xc0/0xc0 [ 1081.081945] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1081.087135] ? find_held_lock+0x36/0x1c0 [ 1081.091202] ? zap_class+0x640/0x640 [ 1081.094924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.100460] ? check_preemption_disabled+0x48/0x280 [ 1081.105487] ? __lock_is_held+0xb5/0x140 [ 1081.109545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.115078] ? check_preemption_disabled+0x48/0x280 [ 1081.120097] run_timer_softirq+0x52/0xb0 [ 1081.124152] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1081.129164] __do_softirq+0x308/0xb7e [ 1081.132961] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1081.137452] ? lock_downgrade+0x900/0x900 [ 1081.141598] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1081.146708] ? pvclock_read_flags+0x160/0x160 [ 1081.151203] ? lapic_next_event+0x5a/0x90 [ 1081.155347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.160900] ? kvm_clock_read+0x18/0x30 [ 1081.164871] ? kvm_sched_clock_read+0x9/0x20 [ 1081.169281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.174811] ? check_preemption_disabled+0x48/0x280 [ 1081.179853] irq_exit+0x17f/0x1c0 [ 1081.183306] smp_apic_timer_interrupt+0x1cb/0x760 [ 1081.188141] ? smp_reschedule_interrupt+0x109/0x650 [ 1081.193151] ? smp_call_function_single_interrupt+0x650/0x650 [ 1081.199028] ? interrupt_entry+0xb5/0xc0 [ 1081.203086] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1081.208106] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1081.213122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1081.217962] ? trace_hardirqs_on_caller+0x310/0x310 [ 1081.222971] ? trace_hardirqs_on_caller+0x310/0x310 [ 1081.227986] ? task_prio+0x50/0x50 [ 1081.231521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.237062] ? check_preemption_disabled+0x48/0x280 [ 1081.242077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1081.246923] apic_timer_interrupt+0xf/0x20 [ 1081.251147] [ 1081.253379] RIP: 0010:console_unlock+0x102f/0x1190 [ 1081.258307] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1081.277204] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1081.284913] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1081.292175] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1081.299440] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1081.306701] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1081.313962] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1081.321234] ? netconsole_netdev_event+0x280/0x280 [ 1081.326168] ? console_unlock+0x1026/0x1190 [ 1081.330509] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1081.335170] ? vprintk_emit+0x846/0x990 [ 1081.339141] ? lock_release+0xa00/0xa00 [ 1081.343111] ? trace_hardirqs_on+0x70/0x310 [ 1081.347427] ? vprintk_default+0x28/0x30 [ 1081.351484] ? trace_hardirqs_off_caller+0x310/0x310 [ 1081.356584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.362122] vprintk_emit+0x391/0x990 [ 1081.365922] ? wake_up_klogd+0x180/0x180 [ 1081.369984] ? find_held_lock+0x11/0x1c0 [ 1081.374070] ? mark_held_locks+0xc7/0x130 [ 1081.378213] ? _raw_spin_unlock_irq+0x27/0x80 [ 1081.382706] ? _raw_spin_unlock_irq+0x27/0x80 [ 1081.387205] vprintk_default+0x28/0x30 [ 1081.391091] vprintk_func+0x7e/0x181 [ 1081.394801] printk+0xa7/0xcf [ 1081.397902] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1081.402656] ? _raw_spin_unlock_irq+0x60/0x80 [ 1081.407162] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1081.412446] dump_header+0x7cc/0xf72 [ 1081.416175] ? pagefault_out_of_memory+0x197/0x197 [ 1081.421105] ? __lock_acquire+0x62f/0x4c20 [ 1081.425340] ? print_usage_bug+0xc0/0xc0 [ 1081.429404] ? zap_class+0x640/0x640 [ 1081.433119] ? print_usage_bug+0xc0/0xc0 [ 1081.437177] ? print_usage_bug+0xc0/0xc0 [ 1081.441239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.446774] ? find_held_lock+0x36/0x1c0 [ 1081.450839] ? mark_held_locks+0xc7/0x130 [ 1081.454993] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1081.460091] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1081.465189] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1081.469769] ? trace_hardirqs_on+0xbd/0x310 [ 1081.474084] ? kasan_check_read+0x11/0x20 [ 1081.478228] ? ___ratelimit+0x3b4/0x672 [ 1081.482201] ? trace_hardirqs_off_caller+0x310/0x310 [ 1081.487303] ? trace_hardirqs_on+0x310/0x310 [ 1081.491705] ? lock_downgrade+0x900/0x900 [ 1081.495870] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1081.500968] ? ___ratelimit+0x3b9/0x672 [ 1081.504939] ? idr_get_free+0xf70/0xf70 [ 1081.508911] ? find_held_lock+0x36/0x1c0 [ 1081.512983] oom_kill_process.cold.27+0x10/0x903 [ 1081.517732] ? zap_class+0x640/0x640 [ 1081.521439] ? check_preemption_disabled+0x48/0x280 [ 1081.526452] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1081.531378] ? kasan_check_read+0x11/0x20 [ 1081.535517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1081.540790] ? oom_evaluate_task+0x540/0x540 [ 1081.545195] ? find_held_lock+0x36/0x1c0 [ 1081.549261] ? out_of_memory+0x974/0x1430 [ 1081.553410] ? lock_downgrade+0x900/0x900 [ 1081.557554] ? check_preemption_disabled+0x48/0x280 [ 1081.562570] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1081.567494] ? kasan_check_read+0x11/0x20 [ 1081.571639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1081.576911] ? rcu_softirq_qs+0x20/0x20 [ 1081.580884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1081.586428] ? oom_evaluate_task+0x302/0x540 [ 1081.590835] out_of_memory+0xa84/0x1430 [ 1081.594820] ? oom_killer_disable+0x3a0/0x3a0 [ 1081.599314] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1081.604328] ? __ww_mutex_check_waiters+0x160/0x160 [ 1081.609351] __alloc_pages_slowpath+0x2354/0x2e10 [ 1081.614218] ? warn_alloc+0x120/0x120 [ 1081.618015] ? mark_held_locks+0x130/0x130 [ 1081.622251] ? find_get_entry+0xaae/0x1120 [ 1081.626491] ? filemap_map_pages+0x1a20/0x1a20 [ 1081.631072] ? zap_class+0x640/0x640 [ 1081.634784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1081.640316] ? check_preemption_disabled+0x48/0x280 [ 1081.645328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1081.650865] ? should_fail+0x22d/0xd01 [ 1081.654754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1081.659865] ? zap_class+0x640/0x640 [ 1081.663596] ? __lock_is_held+0xb5/0x140 [ 1081.667667] ? mark_held_locks+0x130/0x130 [ 1081.671900] ? lock_release+0xa00/0xa00 [ 1081.675878] ? perf_trace_sched_process_exec+0x860/0x860 [ 1081.681327] ? xa_load+0x2ba/0x460 [ 1081.684872] ? lock_downgrade+0x900/0x900 [ 1081.689023] ? __might_sleep+0x95/0x190 [ 1081.693087] __alloc_pages_nodemask+0xa80/0xde0 [ 1081.697756] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1081.702770] ? __page_cache_alloc+0x191/0x5c0 [ 1081.707257] ? xa_load+0x2e1/0x460 [ 1081.710792] ? xa_clear_mark+0x40/0x40 [ 1081.714677] ? zap_class+0x640/0x640 [ 1081.718392] ? zap_class+0x640/0x640 [ 1081.722098] ? zap_class+0x640/0x640 [ 1081.725808] ? __do_page_cache_readahead+0x663/0x810 [ 1081.730918] ? find_held_lock+0x36/0x1c0 [ 1081.734981] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1081.740521] alloc_pages_current+0x173/0x350 [ 1081.744932] __page_cache_alloc+0x38c/0x5c0 [ 1081.749247] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1081.754168] ? kasan_check_read+0x11/0x20 [ 1081.758312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1081.763588] ? generic_perform_write+0x6a0/0x6a0 [ 1081.768339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1081.773871] ? check_preemption_disabled+0x48/0x280 [ 1081.778888] filemap_fault+0x1595/0x25f0 [ 1081.782955] ? __lock_page_or_retry+0xa00/0xa00 [ 1081.787620] ? mark_held_locks+0x130/0x130 [ 1081.791865] ? filemap_map_pages+0xd6b/0x1a20 [ 1081.796356] ? lock_downgrade+0x900/0x900 [ 1081.800502] ? check_preemption_disabled+0x48/0x280 [ 1081.805521] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1081.810443] ? kasan_check_read+0x11/0x20 [ 1081.814584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1081.819860] ? rcu_softirq_qs+0x20/0x20 [ 1081.823853] ? filemap_map_pages+0xd92/0x1a20 [ 1081.828354] ? find_get_entries_tag+0x1400/0x1400 [ 1081.833188] ? find_held_lock+0x36/0x1c0 [ 1081.837269] ? lock_acquire+0x1ed/0x520 [ 1081.841235] ? ext4_filemap_fault+0x7a/0xad [ 1081.845740] ? lock_release+0xa00/0xa00 [ 1081.849708] ? perf_trace_sched_process_exec+0x860/0x860 [ 1081.855158] ? print_usage_bug+0xc0/0xc0 [ 1081.859232] ? down_read+0x8d/0x120 [ 1081.862862] ? ext4_filemap_fault+0x7a/0xad [ 1081.867179] ? __down_interruptible+0x700/0x700 [ 1081.871852] ? find_held_lock+0x36/0x1c0 [ 1081.875922] ext4_filemap_fault+0x82/0xad [ 1081.880070] __do_fault+0x100/0x6b0 [ 1081.883691] ? lock_downgrade+0x900/0x900 [ 1081.887845] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1081.892948] ? kasan_check_read+0x11/0x20 [ 1081.897091] ? do_raw_spin_unlock+0xa7/0x330 [ 1081.901496] ? do_raw_spin_trylock+0x270/0x270 [ 1081.906092] __handle_mm_fault+0x3ea0/0x5be0 [ 1081.910493] ? perf_trace_lock+0x7a0/0x7a0 [ 1081.914730] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1081.919576] ? ksys_dup3+0x680/0x680 [ 1081.923300] ? zap_class+0x640/0x640 [ 1081.927006] ? zap_class+0x640/0x640 [ 1081.930802] ? __x64_sys_futex+0x53e/0x6a0 [ 1081.935047] ? find_held_lock+0x36/0x1c0 [ 1081.939113] ? handle_mm_fault+0x42a/0xc70 [ 1081.943343] ? lock_downgrade+0x900/0x900 [ 1081.947489] ? check_preemption_disabled+0x48/0x280 [ 1081.952595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1081.957519] ? kasan_check_read+0x11/0x20 [ 1081.961661] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1081.966930] ? rcu_softirq_qs+0x20/0x20 [ 1081.970898] ? trace_hardirqs_off_caller+0x310/0x310 [ 1081.976002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1081.981537] ? check_preemption_disabled+0x48/0x280 [ 1081.986554] handle_mm_fault+0x54f/0xc70 [ 1081.990616] ? __handle_mm_fault+0x5be0/0x5be0 [ 1081.995199] ? find_vma+0x34/0x190 [ 1081.998743] __do_page_fault+0x5e8/0xe60 [ 1082.002798] ? trace_hardirqs_off+0xb8/0x310 [ 1082.007228] ? kernel_write+0x120/0x120 [ 1082.011214] do_page_fault+0xf2/0x7e0 [ 1082.015013] ? vmalloc_sync_all+0x30/0x30 [ 1082.019156] ? error_entry+0x70/0xd0 [ 1082.022870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1082.027877] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1082.032801] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1082.037731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1082.042572] ? trace_hardirqs_on_caller+0x310/0x310 [ 1082.047583] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1082.053034] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1082.058043] ? page_fault+0x8/0x30 [ 1082.061580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1082.066422] ? page_fault+0x8/0x30 [ 1082.069959] page_fault+0x1e/0x30 [ 1082.073405] RIP: 0033:0x404068 [ 1082.076928] Code: Bad RIP value. [ 1082.080287] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1082.085643] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1082.092904] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1082.100165] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1082.107428] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1082.114689] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1082.121983] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1082.121988] warn_alloc_show_mem: 1 callbacks suppressed [ 1082.121994] Mem-Info: [ 1082.129256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1082.134616] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1082.134616] active_file:12 inactive_file:9 isolated_file:0 [ 1082.134616] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1082.134616] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1082.134616] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1082.134616] free:13627 free_pcp:121 free_cma:0 [ 1082.136986] Call Trace: [ 1082.146358] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1082.179513] [ 1082.182080] 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 [ 1082.209747] dump_stack+0x244/0x39d [ 1082.211863] lowmem_reserve[]: 0 2818 6321 6321 [ 1082.237965] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1082.241562] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1082.246146] warn_alloc.cold.116+0xb7/0x1bd [ 1082.251297] lowmem_reserve[]: 0 0 3503 3503 [ 1082.278608] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1082.282900] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1082.287215] ? lock_downgrade+0x900/0x900 [ 1082.292026] lowmem_reserve[]: 0 0 0 0 [ 1082.320731] ? trace_hardirqs_off+0xb8/0x310 [ 1082.324847] 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 [ 1082.328645] ? trace_hardirqs_off+0xb8/0x310 [ 1082.333023] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1082.346537] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1082.350913] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1082.366534] ? warn_alloc+0x120/0x120 [ 1082.371329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1082.384415] ? account_entity_enqueue+0x3a3/0x660 [ 1082.388193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1082.397007] ? warn_alloc+0x120/0x120 [ 1082.401822] 4359 total pagecache pages [ 1082.410385] ? warn_alloc+0x120/0x120 [ 1082.414168] 0 pages in swap cache [ 1082.418035] ? print_usage_bug+0xc0/0xc0 [ 1082.421810] Swap cache stats: add 0, delete 0, find 0/0 [ 1082.425244] ? zap_class+0x640/0x640 [ 1082.429277] Free swap = 0kB [ 1082.434625] ? __lock_is_held+0xb5/0x140 [ 1082.438308] Total swap = 0kB [ 1082.438316] 1965979 pages RAM [ 1082.441318] ? print_usage_bug+0xc0/0xc0 [ 1082.445349] 0 pages HighMem/MovableOnly [ 1082.448359] ? check_preemption_disabled+0x48/0x280 [ 1082.451427] 342854 pages reserved [ 1082.451434] 0 pages cma reserved [ 1082.455486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1082.459475] aoe: skb alloc failure [ 1082.464432] ? should_fail+0x22d/0xd01 [ 1082.467903] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1082.471214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1082.476716] syz-fuzzer cpuset=/ mems_allowed=0 [ 1082.480244] ? __lock_acquire+0x62f/0x4c20 [ 1082.508181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1082.513277] ? __lock_acquire+0x62f/0x4c20 [ 1082.517504] ? should_fail+0x22d/0xd01 [ 1082.521396] ? mark_held_locks+0x130/0x130 [ 1082.525631] ? mark_held_locks+0x130/0x130 [ 1082.529863] ? try_to_wake_up+0x11c/0x1490 [ 1082.534093] ? lock_downgrade+0x900/0x900 [ 1082.538237] ? zap_class+0x640/0x640 [ 1082.541943] ? print_usage_bug+0xc0/0xc0 [ 1082.546001] ? trace_hardirqs_off+0xb8/0x310 [ 1082.550409] ? kasan_check_read+0x11/0x20 [ 1082.554553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.560083] ? check_preemption_disabled+0x48/0x280 [ 1082.565106] ? __lock_is_held+0xb5/0x140 [ 1082.569168] __alloc_pages_nodemask+0xa80/0xde0 [ 1082.573830] ? zap_class+0x640/0x640 [ 1082.577547] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1082.582572] ? find_held_lock+0x36/0x1c0 [ 1082.586641] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1082.591304] ? lock_downgrade+0x900/0x900 [ 1082.595454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.600990] cache_grow_begin+0xa5/0x8c0 [ 1082.605045] ? do_raw_spin_unlock+0xa7/0x330 [ 1082.609456] fallback_alloc+0x204/0x2e0 [ 1082.613447] ____cache_alloc_node+0x1c7/0x1e0 [ 1082.617942] kmem_cache_alloc_node+0xe3/0x730 [ 1082.622435] ? ipv6_get_ifaddr+0x42e/0x620 [ 1082.626677] __alloc_skb+0x119/0x770 [ 1082.630386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1082.635667] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1082.640069] ? lock_downgrade+0x900/0x900 [ 1082.644219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.649754] ? refcount_sub_and_test_checked+0x203/0x310 [ 1082.655212] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1082.660745] ? addrconf_rs_timer+0x690/0x690 [ 1082.665167] ndisc_alloc_skb+0x144/0x340 [ 1082.669230] ndisc_send_rs+0x331/0x6e0 [ 1082.673118] addrconf_rs_timer+0x314/0x690 [ 1082.677358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1082.681599] call_timer_fn+0x272/0x920 [ 1082.685484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1082.689718] ? process_timeout+0x40/0x40 [ 1082.693793] ? __run_timers+0x7da/0xc70 [ 1082.697769] ? _raw_spin_unlock_irq+0x27/0x80 [ 1082.702360] ? _raw_spin_unlock_irq+0x27/0x80 [ 1082.706851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1082.711084] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1082.715664] ? trace_hardirqs_on+0xbd/0x310 [ 1082.719984] ? kasan_check_read+0x11/0x20 [ 1082.724124] ? __run_timers+0x7da/0xc70 [ 1082.728092] ? trace_hardirqs_off_caller+0x310/0x310 [ 1082.733204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1082.737434] __run_timers+0x7e5/0xc70 [ 1082.741243] ? timer_fixup_init+0x70/0x70 [ 1082.745387] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1082.750399] ? zap_class+0x640/0x640 [ 1082.754116] ? enqueue_hrtimer+0x1a5/0x560 [ 1082.758348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1082.763539] ? find_held_lock+0x36/0x1c0 [ 1082.767602] ? zap_class+0x640/0x640 [ 1082.771321] ? pvclock_read_flags+0x160/0x160 [ 1082.775812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.781343] ? check_preemption_disabled+0x48/0x280 [ 1082.786368] ? __lock_is_held+0xb5/0x140 [ 1082.790425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.795961] ? check_preemption_disabled+0x48/0x280 [ 1082.800981] run_timer_softirq+0x52/0xb0 [ 1082.805041] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1082.810068] __do_softirq+0x308/0xb7e [ 1082.813866] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1082.818355] ? lock_downgrade+0x900/0x900 [ 1082.822501] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1082.827608] ? pvclock_read_flags+0x160/0x160 [ 1082.832102] ? lapic_next_event+0x5a/0x90 [ 1082.836252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.841793] ? kvm_clock_read+0x18/0x30 [ 1082.845769] ? kvm_sched_clock_read+0x9/0x20 [ 1082.850179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.855712] ? check_preemption_disabled+0x48/0x280 [ 1082.860736] irq_exit+0x17f/0x1c0 [ 1082.864189] smp_apic_timer_interrupt+0x1cb/0x760 [ 1082.869027] ? smp_reschedule_interrupt+0x109/0x650 [ 1082.874039] ? smp_call_function_single_interrupt+0x650/0x650 [ 1082.879915] ? interrupt_entry+0xb5/0xc0 [ 1082.883978] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1082.888989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1082.894011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1082.898852] ? trace_hardirqs_on_caller+0x310/0x310 [ 1082.903861] ? trace_hardirqs_on_caller+0x310/0x310 [ 1082.909262] ? task_prio+0x50/0x50 [ 1082.912806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1082.918340] ? check_preemption_disabled+0x48/0x280 [ 1082.923360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1082.928209] apic_timer_interrupt+0xf/0x20 [ 1082.932432] [ 1082.934667] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1082.939591] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1082.958487] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1082.966185] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1082.973451] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1082.980711] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1082.987976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1082.995253] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1083.002557] skb_clone+0x1bb/0x500 [ 1083.006095] ? finish_task_switch+0x2f4/0x910 [ 1083.010589] ? skb_split+0x11e0/0x11e0 [ 1083.014476] ? preempt_notifier_register+0x200/0x200 [ 1083.019571] ? __switch_to_asm+0x34/0x70 [ 1083.023630] ? __switch_to_asm+0x34/0x70 [ 1083.027682] ? __switch_to_asm+0x40/0x70 [ 1083.031741] ? __switch_to_asm+0x34/0x70 [ 1083.035792] ? __switch_to_asm+0x40/0x70 [ 1083.039847] ? __switch_to_asm+0x34/0x70 [ 1083.043898] ? __switch_to_asm+0x40/0x70 [ 1083.047953] ? __switch_to_asm+0x34/0x70 [ 1083.052008] ? __switch_to_asm+0x34/0x70 [ 1083.056062] ? __switch_to_asm+0x40/0x70 [ 1083.060118] ? __switch_to_asm+0x34/0x70 [ 1083.064182] bpf_clone_redirect+0xb9/0x490 [ 1083.068410] ? __schedule+0x8d7/0x21d0 [ 1083.072298] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1083.077831] ? __sched_text_start+0x8/0x8 [ 1083.081990] ? find_held_lock+0x36/0x1c0 [ 1083.086056] ? lock_acquire+0x1ed/0x520 [ 1083.090023] ? bpf_test_run+0x3cb/0x780 [ 1083.093993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.099524] ? check_preemption_disabled+0x48/0x280 [ 1083.104539] ? kasan_check_read+0x11/0x20 [ 1083.108681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1083.113953] ? rcu_softirq_qs+0x20/0x20 [ 1083.117924] ? preempt_schedule+0x4d/0x60 [ 1083.122067] ? ___preempt_schedule+0x16/0x18 [ 1083.126483] ? bpf_test_run+0x25d/0x780 [ 1083.130464] ? netlink_diag_dump+0x2a0/0x2a0 [ 1083.134870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1083.140403] ? bpf_test_init.isra.10+0x70/0x100 [ 1083.145074] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1083.149836] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1083.154675] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1083.160206] ? fput+0x130/0x1a0 [ 1083.163485] ? __bpf_prog_get+0x9b/0x290 [ 1083.167545] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1083.172379] ? bpf_prog_test_run+0x130/0x1a0 [ 1083.176787] ? __x64_sys_bpf+0x3d8/0x520 [ 1083.180844] ? bpf_prog_get+0x20/0x20 [ 1083.184658] ? do_syscall_64+0x1b9/0x820 [ 1083.188715] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1083.194087] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1083.199010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1083.203851] ? trace_hardirqs_on_caller+0x310/0x310 [ 1083.208868] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1083.213886] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1083.218902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1083.223755] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1083.229136] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1083.229207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1083.236144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1083.236149] Call Trace: [ 1083.236155] [ 1083.236170] dump_stack+0x244/0x39d [ 1083.236189] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1083.242705] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1083.252006] warn_alloc.cold.116+0xb7/0x1bd [ 1083.254552] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1083.256691] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1083.290160] ? lock_downgrade+0x900/0x900 [ 1083.294311] ? trace_hardirqs_off+0xb8/0x310 [ 1083.298728] ? trace_hardirqs_off+0xb8/0x310 [ 1083.303144] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1083.308012] ? warn_alloc+0x120/0x120 [ 1083.311815] ? warn_alloc+0x120/0x120 [ 1083.315615] ? warn_alloc+0x120/0x120 [ 1083.319411] ? print_usage_bug+0xc0/0xc0 [ 1083.323469] ? print_usage_bug+0xc0/0xc0 [ 1083.327529] ? ktime_get+0x2c1/0x400 [ 1083.331253] ? check_preemption_disabled+0x48/0x280 [ 1083.336263] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1083.340756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1083.346289] ? should_fail+0x22d/0xd01 [ 1083.350172] ? kasan_check_read+0x11/0x20 [ 1083.354336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1083.359439] ? __lock_acquire+0x62f/0x4c20 [ 1083.363669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1083.368766] ? should_fail+0x22d/0xd01 [ 1083.372646] ? print_usage_bug+0xc0/0xc0 [ 1083.376720] ? mark_held_locks+0x130/0x130 [ 1083.380952] ? mark_held_locks+0x130/0x130 [ 1083.385209] ? check_preemption_disabled+0x48/0x280 [ 1083.390231] ? zap_class+0x640/0x640 [ 1083.393942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1083.398697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.404238] ? check_preemption_disabled+0x48/0x280 [ 1083.409262] ? __lock_is_held+0xb5/0x140 [ 1083.413323] __alloc_pages_nodemask+0xa80/0xde0 [ 1083.417983] ? zap_class+0x640/0x640 [ 1083.421694] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1083.426729] ? find_held_lock+0x36/0x1c0 [ 1083.430795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1083.435460] ? lock_downgrade+0x900/0x900 [ 1083.439608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.445146] cache_grow_begin+0xa5/0x8c0 [ 1083.449199] ? do_raw_spin_unlock+0xa7/0x330 [ 1083.453608] fallback_alloc+0x204/0x2e0 [ 1083.457585] ____cache_alloc_node+0x1c7/0x1e0 [ 1083.462084] kmem_cache_alloc_node+0xe3/0x730 [ 1083.466571] ? __kmalloc_node_track_caller+0x50/0x70 [ 1083.471676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1083.477222] __alloc_skb+0x119/0x770 [ 1083.480928] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1083.486288] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1083.490705] ? vprintk_default+0x28/0x30 [ 1083.494760] ? vprintk_func+0x85/0x181 [ 1083.498641] ? printk+0xa7/0xcf [ 1083.501914] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1083.506670] ? do_raw_spin_trylock+0x270/0x270 [ 1083.511256] new_skb+0x26/0x1c0 [ 1083.514533] aoecmd_cfg+0x279/0x7f0 [ 1083.518164] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1083.522485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.528031] ? __lock_is_held+0xb5/0x140 [ 1083.532105] discover_timer+0x50/0x60 [ 1083.535900] call_timer_fn+0x272/0x920 [ 1083.539780] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1083.544616] ? process_timeout+0x40/0x40 [ 1083.548679] ? mark_held_locks+0xc7/0x130 [ 1083.552841] ? _raw_spin_unlock_irq+0x27/0x80 [ 1083.557332] ? _raw_spin_unlock_irq+0x27/0x80 [ 1083.561824] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1083.566661] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1083.571239] ? trace_hardirqs_on+0xbd/0x310 [ 1083.575556] ? kasan_check_read+0x11/0x20 [ 1083.579704] ? __run_timers+0x7da/0xc70 [ 1083.583677] ? trace_hardirqs_off_caller+0x310/0x310 [ 1083.588796] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1083.593633] __run_timers+0x7e5/0xc70 [ 1083.597441] ? timer_fixup_init+0x70/0x70 [ 1083.601591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1083.606602] ? zap_class+0x640/0x640 [ 1083.610314] ? print_usage_bug+0xc0/0xc0 [ 1083.614370] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1083.619563] ? find_held_lock+0x36/0x1c0 [ 1083.623624] ? zap_class+0x640/0x640 [ 1083.627336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.632874] ? check_preemption_disabled+0x48/0x280 [ 1083.637895] ? __lock_is_held+0xb5/0x140 [ 1083.641953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.647487] ? check_preemption_disabled+0x48/0x280 [ 1083.652506] run_timer_softirq+0x52/0xb0 [ 1083.656563] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1083.661577] __do_softirq+0x308/0xb7e [ 1083.665375] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1083.669868] ? lock_downgrade+0x900/0x900 [ 1083.674015] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1083.679122] ? pvclock_read_flags+0x160/0x160 [ 1083.683616] ? lapic_next_event+0x5a/0x90 [ 1083.687762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.693303] ? kvm_clock_read+0x18/0x30 [ 1083.697271] ? kvm_sched_clock_read+0x9/0x20 [ 1083.701689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.707222] ? check_preemption_disabled+0x48/0x280 [ 1083.712242] irq_exit+0x17f/0x1c0 [ 1083.715699] smp_apic_timer_interrupt+0x1cb/0x760 [ 1083.720533] ? smp_reschedule_interrupt+0x109/0x650 [ 1083.725545] ? smp_call_function_single_interrupt+0x650/0x650 [ 1083.731422] ? interrupt_entry+0xb5/0xc0 [ 1083.735482] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1083.740490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1083.745501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1083.750338] ? trace_hardirqs_on_caller+0x310/0x310 [ 1083.755347] ? trace_hardirqs_on_caller+0x310/0x310 [ 1083.760356] ? task_prio+0x50/0x50 [ 1083.763891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.769422] ? check_preemption_disabled+0x48/0x280 [ 1083.774442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1083.779287] apic_timer_interrupt+0xf/0x20 [ 1083.783512] [ 1083.785759] RIP: 0010:console_unlock+0x102f/0x1190 [ 1083.790689] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1083.809582] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1083.817281] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1083.824541] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1083.831806] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1083.839070] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1083.846336] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1083.853609] ? netconsole_netdev_event+0x280/0x280 [ 1083.858538] ? console_unlock+0x1026/0x1190 [ 1083.862876] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1083.867537] ? vprintk_emit+0x846/0x990 [ 1083.871511] ? lock_release+0xa00/0xa00 [ 1083.875484] ? trace_hardirqs_on+0x70/0x310 [ 1083.879803] ? vprintk_default+0x28/0x30 [ 1083.883863] ? trace_hardirqs_off_caller+0x310/0x310 [ 1083.888969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.894507] vprintk_emit+0x391/0x990 [ 1083.898306] ? wake_up_klogd+0x180/0x180 [ 1083.902371] ? find_held_lock+0x11/0x1c0 [ 1083.906436] ? mark_held_locks+0xc7/0x130 [ 1083.910580] ? _raw_spin_unlock_irq+0x27/0x80 [ 1083.915071] ? _raw_spin_unlock_irq+0x27/0x80 [ 1083.919588] vprintk_default+0x28/0x30 [ 1083.923475] vprintk_func+0x7e/0x181 [ 1083.927189] printk+0xa7/0xcf [ 1083.930289] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1083.935044] ? _raw_spin_unlock_irq+0x60/0x80 [ 1083.939550] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1083.944831] dump_header+0x7cc/0xf72 [ 1083.948554] ? pagefault_out_of_memory+0x197/0x197 [ 1083.953485] ? __lock_acquire+0x62f/0x4c20 [ 1083.957728] ? print_usage_bug+0xc0/0xc0 [ 1083.961787] ? zap_class+0x640/0x640 [ 1083.965498] ? print_usage_bug+0xc0/0xc0 [ 1083.969571] ? print_usage_bug+0xc0/0xc0 [ 1083.973631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1083.979176] ? find_held_lock+0x36/0x1c0 [ 1083.983243] ? mark_held_locks+0xc7/0x130 [ 1083.987387] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1083.992487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1083.997588] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1084.002171] ? trace_hardirqs_on+0xbd/0x310 [ 1084.006489] ? kasan_check_read+0x11/0x20 [ 1084.010633] ? ___ratelimit+0x3b4/0x672 [ 1084.014608] ? trace_hardirqs_off_caller+0x310/0x310 [ 1084.019709] ? trace_hardirqs_on+0x310/0x310 [ 1084.024112] ? lock_downgrade+0x900/0x900 [ 1084.028262] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1084.033372] ? ___ratelimit+0x3b9/0x672 [ 1084.037343] ? idr_get_free+0xf70/0xf70 [ 1084.041310] ? find_held_lock+0x36/0x1c0 [ 1084.045389] oom_kill_process.cold.27+0x10/0x903 [ 1084.050140] ? zap_class+0x640/0x640 [ 1084.053848] ? check_preemption_disabled+0x48/0x280 [ 1084.058949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1084.063871] ? kasan_check_read+0x11/0x20 [ 1084.068012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1084.073289] ? oom_evaluate_task+0x540/0x540 [ 1084.078065] ? find_held_lock+0x36/0x1c0 [ 1084.082134] ? out_of_memory+0x974/0x1430 [ 1084.086281] ? lock_downgrade+0x900/0x900 [ 1084.090425] ? check_preemption_disabled+0x48/0x280 [ 1084.095438] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1084.100365] ? kasan_check_read+0x11/0x20 [ 1084.104508] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1084.109793] ? rcu_softirq_qs+0x20/0x20 [ 1084.113766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1084.119298] ? oom_evaluate_task+0x302/0x540 [ 1084.123706] out_of_memory+0xa84/0x1430 [ 1084.127687] ? oom_killer_disable+0x3a0/0x3a0 [ 1084.132179] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1084.137110] ? __ww_mutex_check_waiters+0x160/0x160 [ 1084.142130] __alloc_pages_slowpath+0x2354/0x2e10 [ 1084.146999] ? warn_alloc+0x120/0x120 [ 1084.150800] ? mark_held_locks+0x130/0x130 [ 1084.155037] ? find_get_entry+0xaae/0x1120 [ 1084.159275] ? filemap_map_pages+0x1a20/0x1a20 [ 1084.163861] ? zap_class+0x640/0x640 [ 1084.167579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1084.173114] ? check_preemption_disabled+0x48/0x280 [ 1084.178123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1084.183665] ? should_fail+0x22d/0xd01 [ 1084.187558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1084.192665] ? zap_class+0x640/0x640 [ 1084.196401] ? __lock_is_held+0xb5/0x140 [ 1084.200473] ? mark_held_locks+0x130/0x130 [ 1084.204709] ? lock_release+0xa00/0xa00 [ 1084.208680] ? perf_trace_sched_process_exec+0x860/0x860 [ 1084.214129] ? xa_load+0x2ba/0x460 [ 1084.217670] ? lock_downgrade+0x900/0x900 [ 1084.221820] ? __might_sleep+0x95/0x190 [ 1084.225796] __alloc_pages_nodemask+0xa80/0xde0 [ 1084.230467] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1084.235480] ? __page_cache_alloc+0x191/0x5c0 [ 1084.239969] ? xa_load+0x2e1/0x460 [ 1084.243505] ? xa_clear_mark+0x40/0x40 [ 1084.247393] ? zap_class+0x640/0x640 [ 1084.251108] ? zap_class+0x640/0x640 [ 1084.254817] ? zap_class+0x640/0x640 [ 1084.258526] ? __do_page_cache_readahead+0x663/0x810 [ 1084.263630] ? find_held_lock+0x36/0x1c0 [ 1084.267702] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1084.273243] alloc_pages_current+0x173/0x350 [ 1084.277659] __page_cache_alloc+0x38c/0x5c0 [ 1084.281974] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1084.286899] ? kasan_check_read+0x11/0x20 [ 1084.291042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1084.296317] ? generic_perform_write+0x6a0/0x6a0 [ 1084.301072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1084.306605] ? check_preemption_disabled+0x48/0x280 [ 1084.311628] filemap_fault+0x1595/0x25f0 [ 1084.315704] ? __lock_page_or_retry+0xa00/0xa00 [ 1084.320375] ? mark_held_locks+0x130/0x130 [ 1084.324611] ? filemap_map_pages+0xd6b/0x1a20 [ 1084.329114] ? lock_downgrade+0x900/0x900 [ 1084.333260] ? check_preemption_disabled+0x48/0x280 [ 1084.338280] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1084.343206] ? kasan_check_read+0x11/0x20 [ 1084.347351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1084.352626] ? rcu_softirq_qs+0x20/0x20 [ 1084.356621] ? filemap_map_pages+0xd92/0x1a20 [ 1084.361130] ? find_get_entries_tag+0x1400/0x1400 [ 1084.365966] ? find_held_lock+0x36/0x1c0 [ 1084.370047] ? lock_acquire+0x1ed/0x520 [ 1084.374020] ? ext4_filemap_fault+0x7a/0xad [ 1084.378347] ? lock_release+0xa00/0xa00 [ 1084.382316] ? perf_trace_sched_process_exec+0x860/0x860 [ 1084.387763] ? print_usage_bug+0xc0/0xc0 [ 1084.391834] ? down_read+0x8d/0x120 [ 1084.395458] ? ext4_filemap_fault+0x7a/0xad [ 1084.399774] ? __down_interruptible+0x700/0x700 [ 1084.404443] ? find_held_lock+0x36/0x1c0 [ 1084.408501] ext4_filemap_fault+0x82/0xad [ 1084.412656] __do_fault+0x100/0x6b0 [ 1084.416282] ? lock_downgrade+0x900/0x900 [ 1084.420440] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1084.425544] ? kasan_check_read+0x11/0x20 [ 1084.429689] ? do_raw_spin_unlock+0xa7/0x330 [ 1084.434091] ? do_raw_spin_trylock+0x270/0x270 [ 1084.438686] __handle_mm_fault+0x3ea0/0x5be0 [ 1084.443090] ? perf_trace_lock+0x7a0/0x7a0 [ 1084.447327] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1084.452175] ? ksys_dup3+0x680/0x680 [ 1084.455898] ? zap_class+0x640/0x640 [ 1084.459611] ? zap_class+0x640/0x640 [ 1084.463323] ? __x64_sys_futex+0x53e/0x6a0 [ 1084.467558] ? find_held_lock+0x36/0x1c0 [ 1084.471629] ? handle_mm_fault+0x42a/0xc70 [ 1084.475859] ? lock_downgrade+0x900/0x900 [ 1084.480005] ? check_preemption_disabled+0x48/0x280 [ 1084.485024] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1084.490563] ? kasan_check_read+0x11/0x20 [ 1084.494705] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1084.499974] ? rcu_softirq_qs+0x20/0x20 [ 1084.503944] ? trace_hardirqs_off_caller+0x310/0x310 [ 1084.509043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1084.514575] ? check_preemption_disabled+0x48/0x280 [ 1084.519597] handle_mm_fault+0x54f/0xc70 [ 1084.523664] ? __handle_mm_fault+0x5be0/0x5be0 [ 1084.528244] ? find_vma+0x34/0x190 [ 1084.531783] __do_page_fault+0x5e8/0xe60 [ 1084.535841] ? trace_hardirqs_off+0xb8/0x310 [ 1084.540246] ? kernel_write+0x120/0x120 [ 1084.544223] do_page_fault+0xf2/0x7e0 [ 1084.548021] ? vmalloc_sync_all+0x30/0x30 [ 1084.552165] ? error_entry+0x70/0xd0 [ 1084.555873] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1084.560970] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1084.565908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1084.570831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1084.575669] ? trace_hardirqs_on_caller+0x310/0x310 [ 1084.580678] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1084.586140] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1084.591148] ? page_fault+0x8/0x30 [ 1084.594684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1084.599523] ? page_fault+0x8/0x30 [ 1084.603059] page_fault+0x1e/0x30 [ 1084.606509] RIP: 0033:0x404068 [ 1084.609711] Code: Bad RIP value. [ 1084.613067] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1084.622155] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1084.629418] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1084.636679] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1084.643962] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1084.651226] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1084.658513] warn_alloc_show_mem: 1 callbacks suppressed [ 1084.658523] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1084.658524] Mem-Info: [ 1084.658555] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1084.658555] active_file:12 inactive_file:9 isolated_file:0 [ 1084.658555] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1084.658555] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1084.658555] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1084.658555] free:13627 free_pcp:121 free_cma:0 [ 1084.663890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1084.671162] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1084.673549] Call Trace: [ 1084.706428] 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 [ 1084.715767] [ 1084.743408] lowmem_reserve[]: 0 2818 6321 6321 [ 1084.745994] dump_stack+0x244/0x39d [ 1084.772069] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1084.774214] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1084.778759] lowmem_reserve[]: 0 0 3503 3503 [ 1084.782392] warn_alloc.cold.116+0xb7/0x1bd [ 1084.809679] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1084.814860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1084.819147] lowmem_reserve[]: 0 0 0 0 [ 1084.823469] ? lock_downgrade+0x900/0x900 [ 1084.852148] 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 [ 1084.856989] ? trace_hardirqs_off+0xb8/0x310 [ 1084.860760] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1084.864901] ? trace_hardirqs_off+0xb8/0x310 [ 1084.878392] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1084.882796] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1084.898374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1084.902788] ? warn_alloc+0x120/0x120 [ 1084.916366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1084.916375] 4359 total pagecache pages [ 1084.921221] ? print_usage_bug+0xc0/0xc0 [ 1084.930024] 0 pages in swap cache [ 1084.933805] ? warn_alloc+0x120/0x120 [ 1084.942351] Swap cache stats: add 0, delete 0, find 0/0 [ 1084.946222] ? warn_alloc+0x120/0x120 [ 1084.950253] Free swap = 0kB [ 1084.953691] ? print_usage_bug+0xc0/0xc0 [ 1084.957460] Total swap = 0kB [ 1084.962812] ? print_usage_bug+0xc0/0xc0 [ 1084.966581] 1965979 pages RAM [ 1084.969601] ? __lock_acquire+0x62f/0x4c20 [ 1084.973634] 0 pages HighMem/MovableOnly [ 1084.976643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1084.980672] 342854 pages reserved [ 1084.983764] ? should_fail+0x22d/0xd01 [ 1084.987969] 0 pages cma reserved [ 1084.991929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1084.997484] aoe: skb alloc failure [ 1085.000875] ? __lock_acquire+0x62f/0x4c20 [ 1085.004757] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1085.008088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1085.013160] syz-fuzzer cpuset=/ mems_allowed=0 [ 1085.016685] ? __lock_acquire+0x62f/0x4c20 [ 1085.044970] ? should_fail+0x22d/0xd01 [ 1085.048860] ? find_held_lock+0x36/0x1c0 [ 1085.052927] ? mark_held_locks+0x130/0x130 [ 1085.057166] ? mark_held_locks+0x130/0x130 [ 1085.061395] ? zap_class+0x640/0x640 [ 1085.065105] ? zap_class+0x640/0x640 [ 1085.068817] ? print_usage_bug+0xc0/0xc0 [ 1085.072871] ? do_raw_spin_unlock+0xa7/0x330 [ 1085.077278] ? zap_class+0x640/0x640 [ 1085.080989] ? print_usage_bug+0xc0/0xc0 [ 1085.085042] ? wq_watchdog_touch+0x9c/0xfe [ 1085.089276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.094814] ? check_preemption_disabled+0x48/0x280 [ 1085.099834] ? __lock_is_held+0xb5/0x140 [ 1085.103898] __alloc_pages_nodemask+0xa80/0xde0 [ 1085.108561] ? zap_class+0x640/0x640 [ 1085.112282] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1085.117305] ? find_held_lock+0x36/0x1c0 [ 1085.121375] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1085.126042] ? lock_downgrade+0x900/0x900 [ 1085.130197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.135733] cache_grow_begin+0xa5/0x8c0 [ 1085.139789] ? do_raw_spin_unlock+0xa7/0x330 [ 1085.144204] fallback_alloc+0x204/0x2e0 [ 1085.148182] ____cache_alloc_node+0x1c7/0x1e0 [ 1085.152681] kmem_cache_alloc_node+0xe3/0x730 [ 1085.157187] ? ipv6_get_ifaddr+0x42e/0x620 [ 1085.161514] __alloc_skb+0x119/0x770 [ 1085.165223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1085.170500] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1085.174905] ? lock_downgrade+0x900/0x900 [ 1085.179052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.184601] ? refcount_sub_and_test_checked+0x203/0x310 [ 1085.190053] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1085.195498] ? addrconf_rs_timer+0x690/0x690 [ 1085.199913] ndisc_alloc_skb+0x144/0x340 [ 1085.203972] ndisc_send_rs+0x331/0x6e0 [ 1085.207863] addrconf_rs_timer+0x314/0x690 [ 1085.212105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1085.216345] call_timer_fn+0x272/0x920 [ 1085.220229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1085.224461] ? process_timeout+0x40/0x40 [ 1085.228523] ? __run_timers+0x7da/0xc70 [ 1085.232493] ? _raw_spin_unlock_irq+0x27/0x80 [ 1085.236985] ? _raw_spin_unlock_irq+0x27/0x80 [ 1085.241474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1085.245703] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1085.250284] ? trace_hardirqs_on+0xbd/0x310 [ 1085.254603] ? kasan_check_read+0x11/0x20 [ 1085.258747] ? __run_timers+0x7da/0xc70 [ 1085.262716] ? trace_hardirqs_off_caller+0x310/0x310 [ 1085.267832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1085.272065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1085.276292] __run_timers+0x7e5/0xc70 [ 1085.280098] ? timer_fixup_init+0x70/0x70 [ 1085.284246] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1085.289259] ? zap_class+0x640/0x640 [ 1085.292976] ? enqueue_hrtimer+0x1a5/0x560 [ 1085.297209] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1085.302400] ? find_held_lock+0x36/0x1c0 [ 1085.306466] ? zap_class+0x640/0x640 [ 1085.310180] ? pvclock_read_flags+0x160/0x160 [ 1085.314673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.320204] ? check_preemption_disabled+0x48/0x280 [ 1085.325225] ? __lock_is_held+0xb5/0x140 [ 1085.329282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.334817] ? check_preemption_disabled+0x48/0x280 [ 1085.339833] run_timer_softirq+0x52/0xb0 [ 1085.343892] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1085.348910] __do_softirq+0x308/0xb7e [ 1085.352710] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1085.357202] ? lock_downgrade+0x900/0x900 [ 1085.361346] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1085.366455] ? pvclock_read_flags+0x160/0x160 [ 1085.370945] ? lapic_next_event+0x5a/0x90 [ 1085.375088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.380623] ? kvm_clock_read+0x18/0x30 [ 1085.384591] ? kvm_sched_clock_read+0x9/0x20 [ 1085.389003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.394536] ? check_preemption_disabled+0x48/0x280 [ 1085.399568] irq_exit+0x17f/0x1c0 [ 1085.403018] smp_apic_timer_interrupt+0x1cb/0x760 [ 1085.407854] ? smp_reschedule_interrupt+0x109/0x650 [ 1085.412887] ? smp_call_function_single_interrupt+0x650/0x650 [ 1085.418766] ? interrupt_entry+0xb5/0xc0 [ 1085.422833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1085.427842] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1085.432851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1085.437693] ? trace_hardirqs_on_caller+0x310/0x310 [ 1085.442706] ? trace_hardirqs_on_caller+0x310/0x310 [ 1085.447727] ? task_prio+0x50/0x50 [ 1085.451264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.456797] ? check_preemption_disabled+0x48/0x280 [ 1085.461813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1085.466664] apic_timer_interrupt+0xf/0x20 [ 1085.470889] [ 1085.473122] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1085.478050] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1085.496944] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1085.504648] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1085.511923] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1085.519187] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1085.526447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1085.533731] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1085.541034] skb_clone+0x1bb/0x500 [ 1085.544574] ? finish_task_switch+0x2f4/0x910 [ 1085.549065] ? skb_split+0x11e0/0x11e0 [ 1085.552950] ? preempt_notifier_register+0x200/0x200 [ 1085.558046] ? __switch_to_asm+0x34/0x70 [ 1085.562112] ? __switch_to_asm+0x34/0x70 [ 1085.566169] ? __switch_to_asm+0x40/0x70 [ 1085.570224] ? __switch_to_asm+0x34/0x70 [ 1085.574280] ? __switch_to_asm+0x40/0x70 [ 1085.578336] ? __switch_to_asm+0x34/0x70 [ 1085.582393] ? __switch_to_asm+0x40/0x70 [ 1085.586452] ? __switch_to_asm+0x34/0x70 [ 1085.590519] ? __switch_to_asm+0x34/0x70 [ 1085.594578] ? __switch_to_asm+0x40/0x70 [ 1085.598635] ? __switch_to_asm+0x34/0x70 [ 1085.602699] bpf_clone_redirect+0xb9/0x490 [ 1085.606932] ? __schedule+0x8d7/0x21d0 [ 1085.610819] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1085.615834] ? __sched_text_start+0x8/0x8 [ 1085.619997] ? find_held_lock+0x36/0x1c0 [ 1085.624074] ? lock_acquire+0x1ed/0x520 [ 1085.628048] ? bpf_test_run+0x3cb/0x780 [ 1085.632020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.637562] ? check_preemption_disabled+0x48/0x280 [ 1085.642580] ? kasan_check_read+0x11/0x20 [ 1085.646723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1085.651994] ? rcu_softirq_qs+0x20/0x20 [ 1085.655962] ? preempt_schedule+0x4d/0x60 [ 1085.660105] ? ___preempt_schedule+0x16/0x18 [ 1085.664515] ? bpf_test_run+0x25d/0x780 [ 1085.668501] ? netlink_diag_dump+0x2a0/0x2a0 [ 1085.672912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1085.678443] ? bpf_test_init.isra.10+0x70/0x100 [ 1085.683120] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1085.687881] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1085.692717] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1085.698248] ? fput+0x130/0x1a0 [ 1085.701522] ? __bpf_prog_get+0x9b/0x290 [ 1085.705602] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1085.710440] ? bpf_prog_test_run+0x130/0x1a0 [ 1085.714850] ? __x64_sys_bpf+0x3d8/0x520 [ 1085.718909] ? bpf_prog_get+0x20/0x20 [ 1085.722725] ? do_syscall_64+0x1b9/0x820 [ 1085.726784] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1085.732147] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1085.737070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1085.741923] ? trace_hardirqs_on_caller+0x310/0x310 [ 1085.746935] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1085.751945] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1085.756964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1085.761810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1085.767190] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1085.767253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1085.774211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1085.774219] Call Trace: [ 1085.780776] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1085.790028] [ 1085.792608] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1085.803082] dump_stack+0x244/0x39d [ 1085.813908] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1085.819108] warn_alloc.cold.116+0xb7/0x1bd [ 1085.823427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1085.828267] ? lock_downgrade+0x900/0x900 [ 1085.832418] ? trace_hardirqs_off+0xb8/0x310 [ 1085.836839] ? trace_hardirqs_off+0xb8/0x310 [ 1085.841249] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1085.846116] ? warn_alloc+0x120/0x120 [ 1085.849919] ? warn_alloc+0x120/0x120 [ 1085.853716] ? __lock_acquire+0x62f/0x4c20 [ 1085.857951] ? warn_alloc+0x120/0x120 [ 1085.861748] ? print_usage_bug+0xc0/0xc0 [ 1085.865810] ? print_usage_bug+0xc0/0xc0 [ 1085.869870] ? mark_held_locks+0x130/0x130 [ 1085.874113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1085.879649] ? should_fail+0x22d/0xd01 [ 1085.883541] ? zap_class+0x640/0x640 [ 1085.887253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1085.892351] ? __lock_acquire+0x62f/0x4c20 [ 1085.896587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1085.901683] ? should_fail+0x22d/0xd01 [ 1085.905575] ? mark_held_locks+0x130/0x130 [ 1085.909807] ? mark_held_locks+0x130/0x130 [ 1085.914036] ? lock_downgrade+0x900/0x900 [ 1085.918178] ? zap_class+0x640/0x640 [ 1085.921893] ? zap_class+0x640/0x640 [ 1085.925602] ? zap_class+0x640/0x640 [ 1085.929311] ? do_raw_spin_unlock+0xa7/0x330 [ 1085.933714] ? trace_hardirqs_on+0x310/0x310 [ 1085.938116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.943649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.949184] ? check_preemption_disabled+0x48/0x280 [ 1085.954208] ? __lock_is_held+0xb5/0x140 [ 1085.958270] __alloc_pages_nodemask+0xa80/0xde0 [ 1085.962931] ? zap_class+0x640/0x640 [ 1085.966647] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1085.971669] ? find_held_lock+0x36/0x1c0 [ 1085.975734] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1085.980401] ? lock_downgrade+0x900/0x900 [ 1085.984549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1085.990090] cache_grow_begin+0xa5/0x8c0 [ 1085.994147] ? do_raw_spin_unlock+0xa7/0x330 [ 1085.998562] fallback_alloc+0x204/0x2e0 [ 1086.002541] ____cache_alloc_node+0x1c7/0x1e0 [ 1086.007038] kmem_cache_alloc_node+0xe3/0x730 [ 1086.011535] ? __kmalloc_node_track_caller+0x50/0x70 [ 1086.016638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1086.022176] __alloc_skb+0x119/0x770 [ 1086.025888] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1086.031264] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1086.035680] ? vprintk_default+0x28/0x30 [ 1086.039744] ? vprintk_func+0x85/0x181 [ 1086.043625] ? printk+0xa7/0xcf [ 1086.046898] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1086.051651] ? do_raw_spin_trylock+0x270/0x270 [ 1086.056231] new_skb+0x26/0x1c0 [ 1086.059526] aoecmd_cfg+0x279/0x7f0 [ 1086.063509] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1086.067831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.073381] ? __lock_is_held+0xb5/0x140 [ 1086.077793] discover_timer+0x50/0x60 [ 1086.081591] call_timer_fn+0x272/0x920 [ 1086.085476] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1086.090319] ? process_timeout+0x40/0x40 [ 1086.094387] ? mark_held_locks+0xc7/0x130 [ 1086.098530] ? _raw_spin_unlock_irq+0x27/0x80 [ 1086.103020] ? _raw_spin_unlock_irq+0x27/0x80 [ 1086.107514] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1086.112351] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1086.116933] ? trace_hardirqs_on+0xbd/0x310 [ 1086.121250] ? kasan_check_read+0x11/0x20 [ 1086.125393] ? __run_timers+0x7da/0xc70 [ 1086.129363] ? trace_hardirqs_off_caller+0x310/0x310 [ 1086.134472] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1086.139312] __run_timers+0x7e5/0xc70 [ 1086.143117] ? timer_fixup_init+0x70/0x70 [ 1086.147262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1086.152273] ? zap_class+0x640/0x640 [ 1086.155985] ? print_usage_bug+0xc0/0xc0 [ 1086.160042] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1086.165224] ? find_held_lock+0x36/0x1c0 [ 1086.169281] ? zap_class+0x640/0x640 [ 1086.172993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.178526] ? check_preemption_disabled+0x48/0x280 [ 1086.183546] ? __lock_is_held+0xb5/0x140 [ 1086.187602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.193134] ? check_preemption_disabled+0x48/0x280 [ 1086.198153] run_timer_softirq+0x52/0xb0 [ 1086.202209] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1086.207226] __do_softirq+0x308/0xb7e [ 1086.211027] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1086.215521] ? lock_downgrade+0x900/0x900 [ 1086.219669] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1086.224773] ? pvclock_read_flags+0x160/0x160 [ 1086.229265] ? lapic_next_event+0x5a/0x90 [ 1086.233407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.238945] ? kvm_clock_read+0x18/0x30 [ 1086.242916] ? kvm_sched_clock_read+0x9/0x20 [ 1086.247321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.252859] ? check_preemption_disabled+0x48/0x280 [ 1086.257885] irq_exit+0x17f/0x1c0 [ 1086.261334] smp_apic_timer_interrupt+0x1cb/0x760 [ 1086.266173] ? smp_reschedule_interrupt+0x109/0x650 [ 1086.271185] ? smp_call_function_single_interrupt+0x650/0x650 [ 1086.277066] ? interrupt_entry+0xb5/0xc0 [ 1086.281122] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1086.286142] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1086.291156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1086.295992] ? trace_hardirqs_on_caller+0x310/0x310 [ 1086.301001] ? trace_hardirqs_on_caller+0x310/0x310 [ 1086.306015] ? task_prio+0x50/0x50 [ 1086.309550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.315081] ? check_preemption_disabled+0x48/0x280 [ 1086.320099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1086.324945] apic_timer_interrupt+0xf/0x20 [ 1086.329175] [ 1086.331410] RIP: 0010:console_unlock+0x102f/0x1190 [ 1086.336333] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1086.355229] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1086.362934] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1086.370199] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1086.377460] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1086.384727] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1086.391987] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1086.399257] ? netconsole_netdev_event+0x280/0x280 [ 1086.404191] ? console_unlock+0x1026/0x1190 [ 1086.408536] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1086.413196] ? vprintk_emit+0x846/0x990 [ 1086.417172] ? lock_release+0xa00/0xa00 [ 1086.421145] ? trace_hardirqs_on+0x70/0x310 [ 1086.425458] ? vprintk_default+0x28/0x30 [ 1086.429532] ? trace_hardirqs_off_caller+0x310/0x310 [ 1086.434631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.440172] vprintk_emit+0x391/0x990 [ 1086.443971] ? wake_up_klogd+0x180/0x180 [ 1086.448033] ? find_held_lock+0x11/0x1c0 [ 1086.452099] ? mark_held_locks+0xc7/0x130 [ 1086.456244] ? _raw_spin_unlock_irq+0x27/0x80 [ 1086.460734] ? _raw_spin_unlock_irq+0x27/0x80 [ 1086.465232] vprintk_default+0x28/0x30 [ 1086.469117] vprintk_func+0x7e/0x181 [ 1086.472923] printk+0xa7/0xcf [ 1086.476024] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1086.480777] ? _raw_spin_unlock_irq+0x60/0x80 [ 1086.485281] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1086.490562] dump_header+0x7cc/0xf72 [ 1086.494282] ? pagefault_out_of_memory+0x197/0x197 [ 1086.499220] ? __lock_acquire+0x62f/0x4c20 [ 1086.503457] ? print_usage_bug+0xc0/0xc0 [ 1086.507527] ? zap_class+0x640/0x640 [ 1086.511238] ? print_usage_bug+0xc0/0xc0 [ 1086.515295] ? print_usage_bug+0xc0/0xc0 [ 1086.519356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.524896] ? find_held_lock+0x36/0x1c0 [ 1086.528959] ? mark_held_locks+0xc7/0x130 [ 1086.533102] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1086.538200] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1086.543297] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1086.547877] ? trace_hardirqs_on+0xbd/0x310 [ 1086.552191] ? kasan_check_read+0x11/0x20 [ 1086.556332] ? ___ratelimit+0x3b4/0x672 [ 1086.560302] ? trace_hardirqs_off_caller+0x310/0x310 [ 1086.565404] ? trace_hardirqs_on+0x310/0x310 [ 1086.569809] ? lock_downgrade+0x900/0x900 [ 1086.573961] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1086.579059] ? ___ratelimit+0x3b9/0x672 [ 1086.583029] ? idr_get_free+0xf70/0xf70 [ 1086.586998] ? find_held_lock+0x36/0x1c0 [ 1086.591670] oom_kill_process.cold.27+0x10/0x903 [ 1086.596430] ? zap_class+0x640/0x640 [ 1086.600147] ? check_preemption_disabled+0x48/0x280 [ 1086.605160] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1086.610084] ? kasan_check_read+0x11/0x20 [ 1086.614228] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1086.619587] ? oom_evaluate_task+0x540/0x540 [ 1086.623998] ? find_held_lock+0x36/0x1c0 [ 1086.628061] ? out_of_memory+0x974/0x1430 [ 1086.632204] ? lock_downgrade+0x900/0x900 [ 1086.636349] ? check_preemption_disabled+0x48/0x280 [ 1086.641363] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1086.646286] ? kasan_check_read+0x11/0x20 [ 1086.650427] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1086.655703] ? rcu_softirq_qs+0x20/0x20 [ 1086.659682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1086.665212] ? oom_evaluate_task+0x302/0x540 [ 1086.669621] out_of_memory+0xa84/0x1430 [ 1086.673602] ? oom_killer_disable+0x3a0/0x3a0 [ 1086.678093] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1086.683020] ? __ww_mutex_check_waiters+0x160/0x160 [ 1086.688054] __alloc_pages_slowpath+0x2354/0x2e10 [ 1086.692918] ? warn_alloc+0x120/0x120 [ 1086.696713] ? mark_held_locks+0x130/0x130 [ 1086.700948] ? find_get_entry+0xaae/0x1120 [ 1086.705272] ? filemap_map_pages+0x1a20/0x1a20 [ 1086.709858] ? zap_class+0x640/0x640 [ 1086.713570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1086.719105] ? check_preemption_disabled+0x48/0x280 [ 1086.724114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1086.729645] ? should_fail+0x22d/0xd01 [ 1086.733536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1086.738633] ? zap_class+0x640/0x640 [ 1086.742365] ? __lock_is_held+0xb5/0x140 [ 1086.746432] ? mark_held_locks+0x130/0x130 [ 1086.750673] ? lock_release+0xa00/0xa00 [ 1086.754641] ? perf_trace_sched_process_exec+0x860/0x860 [ 1086.760087] ? xa_load+0x2ba/0x460 [ 1086.763623] ? lock_downgrade+0x900/0x900 [ 1086.767770] ? __might_sleep+0x95/0x190 [ 1086.771751] __alloc_pages_nodemask+0xa80/0xde0 [ 1086.776420] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1086.781447] ? __page_cache_alloc+0x191/0x5c0 [ 1086.785937] ? xa_load+0x2e1/0x460 [ 1086.789479] ? xa_clear_mark+0x40/0x40 [ 1086.793361] ? zap_class+0x640/0x640 [ 1086.797077] ? zap_class+0x640/0x640 [ 1086.800787] ? zap_class+0x640/0x640 [ 1086.804573] ? __do_page_cache_readahead+0x663/0x810 [ 1086.809674] ? find_held_lock+0x36/0x1c0 [ 1086.813737] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1086.819280] alloc_pages_current+0x173/0x350 [ 1086.823690] __page_cache_alloc+0x38c/0x5c0 [ 1086.828007] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1086.832928] ? kasan_check_read+0x11/0x20 [ 1086.837075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1086.842348] ? generic_perform_write+0x6a0/0x6a0 [ 1086.847097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1086.852629] ? check_preemption_disabled+0x48/0x280 [ 1086.857649] filemap_fault+0x1595/0x25f0 [ 1086.861716] ? __lock_page_or_retry+0xa00/0xa00 [ 1086.866383] ? mark_held_locks+0x130/0x130 [ 1086.870623] ? filemap_map_pages+0xd6b/0x1a20 [ 1086.875116] ? lock_downgrade+0x900/0x900 [ 1086.879258] ? check_preemption_disabled+0x48/0x280 [ 1086.884274] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1086.889196] ? kasan_check_read+0x11/0x20 [ 1086.893340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1086.898610] ? rcu_softirq_qs+0x20/0x20 [ 1086.902596] ? filemap_map_pages+0xd92/0x1a20 [ 1086.907102] ? find_get_entries_tag+0x1400/0x1400 [ 1086.912483] ? find_held_lock+0x36/0x1c0 [ 1086.916567] ? lock_acquire+0x1ed/0x520 [ 1086.920537] ? ext4_filemap_fault+0x7a/0xad [ 1086.924862] ? lock_release+0xa00/0xa00 [ 1086.928830] ? perf_trace_sched_process_exec+0x860/0x860 [ 1086.934282] ? print_usage_bug+0xc0/0xc0 [ 1086.938355] ? down_read+0x8d/0x120 [ 1086.941992] ? ext4_filemap_fault+0x7a/0xad [ 1086.946313] ? __down_interruptible+0x700/0x700 [ 1086.950981] ? find_held_lock+0x36/0x1c0 [ 1086.955042] ext4_filemap_fault+0x82/0xad [ 1086.959190] __do_fault+0x100/0x6b0 [ 1086.962820] ? lock_downgrade+0x900/0x900 [ 1086.966961] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1086.972069] ? kasan_check_read+0x11/0x20 [ 1086.976214] ? do_raw_spin_unlock+0xa7/0x330 [ 1086.980617] ? do_raw_spin_trylock+0x270/0x270 [ 1086.985208] __handle_mm_fault+0x3ea0/0x5be0 [ 1086.989611] ? perf_trace_lock+0x7a0/0x7a0 [ 1086.993851] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1086.998703] ? ksys_dup3+0x680/0x680 [ 1087.002435] ? zap_class+0x640/0x640 [ 1087.006142] ? zap_class+0x640/0x640 [ 1087.009847] ? __x64_sys_futex+0x53e/0x6a0 [ 1087.014080] ? find_held_lock+0x36/0x1c0 [ 1087.018144] ? handle_mm_fault+0x42a/0xc70 [ 1087.022378] ? lock_downgrade+0x900/0x900 [ 1087.026520] ? check_preemption_disabled+0x48/0x280 [ 1087.031538] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1087.036459] ? kasan_check_read+0x11/0x20 [ 1087.040604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1087.045884] ? rcu_softirq_qs+0x20/0x20 [ 1087.049857] ? trace_hardirqs_off_caller+0x310/0x310 [ 1087.054971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1087.060507] ? check_preemption_disabled+0x48/0x280 [ 1087.065539] handle_mm_fault+0x54f/0xc70 [ 1087.069597] ? __handle_mm_fault+0x5be0/0x5be0 [ 1087.074176] ? find_vma+0x34/0x190 [ 1087.077715] __do_page_fault+0x5e8/0xe60 [ 1087.081794] ? trace_hardirqs_off+0xb8/0x310 [ 1087.086197] ? kernel_write+0x120/0x120 [ 1087.090174] do_page_fault+0xf2/0x7e0 [ 1087.093971] ? vmalloc_sync_all+0x30/0x30 [ 1087.098112] ? error_entry+0x70/0xd0 [ 1087.101821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1087.106834] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1087.111758] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1087.116683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1087.121522] ? trace_hardirqs_on_caller+0x310/0x310 [ 1087.126532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1087.131980] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1087.136991] ? page_fault+0x8/0x30 [ 1087.140531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1087.145369] ? page_fault+0x8/0x30 [ 1087.148907] page_fault+0x1e/0x30 [ 1087.152353] RIP: 0033:0x404068 [ 1087.155551] Code: Bad RIP value. [ 1087.158911] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1087.164266] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1087.171533] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1087.178801] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1087.186061] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1087.193322] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1087.200615] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1087.200619] warn_alloc_show_mem: 1 callbacks suppressed [ 1087.200625] Mem-Info: [ 1087.207883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1087.207891] Call Trace: [ 1087.213253] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1087.213253] active_file:12 inactive_file:9 isolated_file:0 [ 1087.213253] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1087.213253] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1087.213253] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1087.213253] free:13627 free_pcp:121 free_cma:0 [ 1087.215623] [ 1087.224979] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1087.227553] dump_stack+0x244/0x39d [ 1087.260406] 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 [ 1087.262548] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1087.290188] lowmem_reserve[]: 0 2818 6321 6321 [ 1087.293821] warn_alloc.cold.116+0xb7/0x1bd [ 1087.319891] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1087.325073] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1087.329623] lowmem_reserve[]: 0 0 3503 3503 [ 1087.333937] ? lock_downgrade+0x900/0x900 [ 1087.361230] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1087.366070] ? trace_hardirqs_off+0xb8/0x310 [ 1087.370353] lowmem_reserve[]: 0 0 0 0 [ 1087.374502] ? trace_hardirqs_off+0xb8/0x310 [ 1087.403179] 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 [ 1087.407606] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1087.411369] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1087.415798] ? warn_alloc+0x120/0x120 [ 1087.429270] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1087.434112] ? print_usage_bug+0xc0/0xc0 [ 1087.449693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1087.453477] ? warn_alloc+0x120/0x120 [ 1087.466545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1087.470592] ? warn_alloc+0x120/0x120 [ 1087.479400] 4359 total pagecache pages [ 1087.483184] ? print_usage_bug+0xc0/0xc0 [ 1087.491738] 0 pages in swap cache [ 1087.495521] ? kvm_clock_read+0x18/0x30 [ 1087.499392] Swap cache stats: add 0, delete 0, find 0/0 [ 1087.503439] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1087.506862] Free swap = 0kB [ 1087.510820] ? print_usage_bug+0xc0/0xc0 [ 1087.516151] Total swap = 0kB [ 1087.521164] ? __lock_acquire+0x62f/0x4c20 [ 1087.524157] 1965979 pages RAM [ 1087.528208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1087.531199] 0 pages HighMem/MovableOnly [ 1087.535419] ? should_fail+0x22d/0xd01 [ 1087.538491] 342854 pages reserved [ 1087.538498] 0 pages cma reserved [ 1087.544019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1087.548034] aoe: skb alloc failure [ 1087.551842] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1087.555292] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1087.558623] ? __lock_acquire+0x62f/0x4c20 [ 1087.563869] syz-fuzzer cpuset=/ mems_allowed=0 [ 1087.567403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1087.596545] ? __lock_acquire+0x62f/0x4c20 [ 1087.600776] ? should_fail+0x22d/0xd01 [ 1087.604656] ? rcu_irq_exit+0x1a2/0x390 [ 1087.608634] ? mark_held_locks+0x130/0x130 [ 1087.612867] ? mark_held_locks+0x130/0x130 [ 1087.617102] ? mark_held_locks+0xc7/0x130 [ 1087.621256] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1087.626281] ? zap_class+0x640/0x640 [ 1087.629991] ? print_usage_bug+0xc0/0xc0 [ 1087.634056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.639589] ? check_preemption_disabled+0x48/0x280 [ 1087.644612] ? __lock_is_held+0xb5/0x140 [ 1087.648678] __alloc_pages_nodemask+0xa80/0xde0 [ 1087.653343] ? zap_class+0x640/0x640 [ 1087.657063] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1087.662094] ? find_held_lock+0x36/0x1c0 [ 1087.666159] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1087.670827] ? lock_downgrade+0x900/0x900 [ 1087.674980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.680517] cache_grow_begin+0xa5/0x8c0 [ 1087.684573] ? do_raw_spin_unlock+0xa7/0x330 [ 1087.688985] fallback_alloc+0x204/0x2e0 [ 1087.692966] ____cache_alloc_node+0x1c7/0x1e0 [ 1087.697464] kmem_cache_alloc_node+0xe3/0x730 [ 1087.701958] ? ipv6_get_ifaddr+0x42e/0x620 [ 1087.706199] __alloc_skb+0x119/0x770 [ 1087.709908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1087.715186] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1087.719593] ? lock_downgrade+0x900/0x900 [ 1087.723741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.729273] ? refcount_sub_and_test_checked+0x203/0x310 [ 1087.734722] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1087.740165] ? addrconf_rs_timer+0x690/0x690 [ 1087.744580] ndisc_alloc_skb+0x144/0x340 [ 1087.748641] ndisc_send_rs+0x331/0x6e0 [ 1087.752530] addrconf_rs_timer+0x314/0x690 [ 1087.756764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1087.761008] call_timer_fn+0x272/0x920 [ 1087.764888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1087.769123] ? process_timeout+0x40/0x40 [ 1087.773212] ? __run_timers+0x7da/0xc70 [ 1087.777185] ? _raw_spin_unlock_irq+0x27/0x80 [ 1087.781674] ? _raw_spin_unlock_irq+0x27/0x80 [ 1087.786163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1087.790398] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1087.794990] ? trace_hardirqs_on+0xbd/0x310 [ 1087.799306] ? kasan_check_read+0x11/0x20 [ 1087.803449] ? __run_timers+0x7da/0xc70 [ 1087.807422] ? trace_hardirqs_off_caller+0x310/0x310 [ 1087.812525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1087.816759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1087.820999] __run_timers+0x7e5/0xc70 [ 1087.824808] ? timer_fixup_init+0x70/0x70 [ 1087.828958] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1087.833970] ? zap_class+0x640/0x640 [ 1087.837680] ? enqueue_hrtimer+0x1a5/0x560 [ 1087.841916] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1087.847111] ? find_held_lock+0x36/0x1c0 [ 1087.851171] ? zap_class+0x640/0x640 [ 1087.854882] ? pvclock_read_flags+0x160/0x160 [ 1087.859380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.864912] ? check_preemption_disabled+0x48/0x280 [ 1087.869932] ? __lock_is_held+0xb5/0x140 [ 1087.873991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.879526] ? check_preemption_disabled+0x48/0x280 [ 1087.884541] run_timer_softirq+0x52/0xb0 [ 1087.888599] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1087.893609] __do_softirq+0x308/0xb7e [ 1087.897414] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1087.901903] ? lock_downgrade+0x900/0x900 [ 1087.906054] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1087.911164] ? pvclock_read_flags+0x160/0x160 [ 1087.915660] ? lapic_next_event+0x5a/0x90 [ 1087.919807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.925345] ? kvm_clock_read+0x18/0x30 [ 1087.929326] ? kvm_sched_clock_read+0x9/0x20 [ 1087.933741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1087.939281] ? check_preemption_disabled+0x48/0x280 [ 1087.944301] irq_exit+0x17f/0x1c0 [ 1087.947752] smp_apic_timer_interrupt+0x1cb/0x760 [ 1087.952589] ? smp_reschedule_interrupt+0x109/0x650 [ 1087.957603] ? smp_call_function_single_interrupt+0x650/0x650 [ 1087.963485] ? interrupt_entry+0xb5/0xc0 [ 1087.967544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1087.972560] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1087.977573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1087.982413] ? trace_hardirqs_on_caller+0x310/0x310 [ 1087.987424] ? trace_hardirqs_on_caller+0x310/0x310 [ 1087.992444] ? task_prio+0x50/0x50 [ 1087.995981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.001517] ? check_preemption_disabled+0x48/0x280 [ 1088.006707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.011551] apic_timer_interrupt+0xf/0x20 [ 1088.015773] [ 1088.018010] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1088.022935] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1088.041830] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1088.049541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1088.056802] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1088.064064] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1088.071344] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1088.079095] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1088.086417] skb_clone+0x1bb/0x500 [ 1088.089958] ? finish_task_switch+0x2f4/0x910 [ 1088.094449] ? skb_split+0x11e0/0x11e0 [ 1088.098331] ? preempt_notifier_register+0x200/0x200 [ 1088.103437] ? __switch_to_asm+0x34/0x70 [ 1088.107496] ? __switch_to_asm+0x34/0x70 [ 1088.111556] ? __switch_to_asm+0x40/0x70 [ 1088.115611] ? __switch_to_asm+0x34/0x70 [ 1088.119665] ? __switch_to_asm+0x40/0x70 [ 1088.123718] ? __switch_to_asm+0x34/0x70 [ 1088.127772] ? __switch_to_asm+0x40/0x70 [ 1088.131824] ? __switch_to_asm+0x34/0x70 [ 1088.135882] ? __switch_to_asm+0x34/0x70 [ 1088.139935] ? __switch_to_asm+0x40/0x70 [ 1088.143988] ? __switch_to_asm+0x34/0x70 [ 1088.148054] bpf_clone_redirect+0xb9/0x490 [ 1088.152286] ? __schedule+0x8d7/0x21d0 [ 1088.156177] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1088.161193] ? __sched_text_start+0x8/0x8 [ 1088.165861] ? find_held_lock+0x36/0x1c0 [ 1088.169926] ? lock_acquire+0x1ed/0x520 [ 1088.173896] ? bpf_test_run+0x3cb/0x780 [ 1088.177866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.183403] ? check_preemption_disabled+0x48/0x280 [ 1088.188419] ? kasan_check_read+0x11/0x20 [ 1088.192571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1088.197841] ? rcu_softirq_qs+0x20/0x20 [ 1088.201813] ? preempt_schedule+0x4d/0x60 [ 1088.205957] ? ___preempt_schedule+0x16/0x18 [ 1088.210394] ? bpf_test_run+0x25d/0x780 [ 1088.214378] ? netlink_diag_dump+0x2a0/0x2a0 [ 1088.218786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1088.224321] ? bpf_test_init.isra.10+0x70/0x100 [ 1088.229004] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1088.233763] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1088.238609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1088.244139] ? fput+0x130/0x1a0 [ 1088.247415] ? __bpf_prog_get+0x9b/0x290 [ 1088.251477] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1088.256313] ? bpf_prog_test_run+0x130/0x1a0 [ 1088.260729] ? __x64_sys_bpf+0x3d8/0x520 [ 1088.264783] ? bpf_prog_get+0x20/0x20 [ 1088.268597] ? do_syscall_64+0x1b9/0x820 [ 1088.272651] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1088.278011] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1088.282934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.287779] ? trace_hardirqs_on_caller+0x310/0x310 [ 1088.292794] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1088.297809] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1088.302824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.307672] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1088.313052] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1088.313115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1088.320059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1088.320064] Call Trace: [ 1088.320070] [ 1088.320087] dump_stack+0x244/0x39d [ 1088.320106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1088.326646] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1088.335925] warn_alloc.cold.116+0xb7/0x1bd [ 1088.338474] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1088.340611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1088.374056] ? lock_downgrade+0x900/0x900 [ 1088.378205] ? trace_hardirqs_off+0xb8/0x310 [ 1088.382615] ? trace_hardirqs_off+0xb8/0x310 [ 1088.387025] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1088.391893] ? warn_alloc+0x120/0x120 [ 1088.395698] ? warn_alloc+0x120/0x120 [ 1088.399502] ? __lock_acquire+0x62f/0x4c20 [ 1088.403780] ? warn_alloc+0x120/0x120 [ 1088.407579] ? print_usage_bug+0xc0/0xc0 [ 1088.411641] ? print_usage_bug+0xc0/0xc0 [ 1088.415704] ? mark_held_locks+0x130/0x130 [ 1088.419941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1088.425472] ? should_fail+0x22d/0xd01 [ 1088.429352] ? zap_class+0x640/0x640 [ 1088.433063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1088.438170] ? __lock_acquire+0x62f/0x4c20 [ 1088.442402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1088.447497] ? should_fail+0x22d/0xd01 [ 1088.451395] ? mark_held_locks+0x130/0x130 [ 1088.455628] ? mark_held_locks+0x130/0x130 [ 1088.459859] ? lock_downgrade+0x900/0x900 [ 1088.464118] ? zap_class+0x640/0x640 [ 1088.467827] ? zap_class+0x640/0x640 [ 1088.471540] ? zap_class+0x640/0x640 [ 1088.475248] ? do_raw_spin_unlock+0xa7/0x330 [ 1088.479649] ? trace_hardirqs_on+0x310/0x310 [ 1088.484074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.489610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.495143] ? check_preemption_disabled+0x48/0x280 [ 1088.500163] ? __lock_is_held+0xb5/0x140 [ 1088.504225] __alloc_pages_nodemask+0xa80/0xde0 [ 1088.508886] ? zap_class+0x640/0x640 [ 1088.512604] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1088.517625] ? find_held_lock+0x36/0x1c0 [ 1088.521695] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1088.526363] ? lock_downgrade+0x900/0x900 [ 1088.530516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.536053] cache_grow_begin+0xa5/0x8c0 [ 1088.540108] ? do_raw_spin_unlock+0xa7/0x330 [ 1088.544520] fallback_alloc+0x204/0x2e0 [ 1088.548493] ____cache_alloc_node+0x1c7/0x1e0 [ 1088.552988] kmem_cache_alloc_node+0xe3/0x730 [ 1088.557479] ? __kmalloc_node_track_caller+0x50/0x70 [ 1088.562578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1088.568116] __alloc_skb+0x119/0x770 [ 1088.571825] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1088.577190] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1088.581606] ? vprintk_default+0x28/0x30 [ 1088.586355] ? vprintk_func+0x85/0x181 [ 1088.590238] ? printk+0xa7/0xcf [ 1088.593516] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1088.598268] ? do_raw_spin_trylock+0x270/0x270 [ 1088.602857] new_skb+0x26/0x1c0 [ 1088.606132] aoecmd_cfg+0x279/0x7f0 [ 1088.609764] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1088.614088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.619629] ? __lock_is_held+0xb5/0x140 [ 1088.623701] discover_timer+0x50/0x60 [ 1088.627497] call_timer_fn+0x272/0x920 [ 1088.631380] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1088.636219] ? process_timeout+0x40/0x40 [ 1088.640285] ? mark_held_locks+0xc7/0x130 [ 1088.644443] ? _raw_spin_unlock_irq+0x27/0x80 [ 1088.648933] ? _raw_spin_unlock_irq+0x27/0x80 [ 1088.653421] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1088.658258] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1088.662845] ? trace_hardirqs_on+0xbd/0x310 [ 1088.667159] ? kasan_check_read+0x11/0x20 [ 1088.671308] ? __run_timers+0x7da/0xc70 [ 1088.675278] ? trace_hardirqs_off_caller+0x310/0x310 [ 1088.680399] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1088.685233] __run_timers+0x7e5/0xc70 [ 1088.689039] ? timer_fixup_init+0x70/0x70 [ 1088.693185] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1088.698199] ? zap_class+0x640/0x640 [ 1088.701911] ? print_usage_bug+0xc0/0xc0 [ 1088.705967] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1088.711168] ? find_held_lock+0x36/0x1c0 [ 1088.715400] ? zap_class+0x640/0x640 [ 1088.719117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.724654] ? check_preemption_disabled+0x48/0x280 [ 1088.729677] ? __lock_is_held+0xb5/0x140 [ 1088.733739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.739271] ? check_preemption_disabled+0x48/0x280 [ 1088.744304] run_timer_softirq+0x52/0xb0 [ 1088.748363] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1088.753375] __do_softirq+0x308/0xb7e [ 1088.757180] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1088.761671] ? lock_downgrade+0x900/0x900 [ 1088.765821] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1088.770924] ? pvclock_read_flags+0x160/0x160 [ 1088.775462] ? lapic_next_event+0x5a/0x90 [ 1088.779606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.785142] ? kvm_clock_read+0x18/0x30 [ 1088.789113] ? kvm_sched_clock_read+0x9/0x20 [ 1088.793521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.799055] ? check_preemption_disabled+0x48/0x280 [ 1088.804075] irq_exit+0x17f/0x1c0 [ 1088.807527] smp_apic_timer_interrupt+0x1cb/0x760 [ 1088.812361] ? smp_reschedule_interrupt+0x109/0x650 [ 1088.817376] ? smp_call_function_single_interrupt+0x650/0x650 [ 1088.823255] ? interrupt_entry+0xb5/0xc0 [ 1088.827319] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1088.832327] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1088.837339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.842178] ? trace_hardirqs_on_caller+0x310/0x310 [ 1088.847185] ? trace_hardirqs_on_caller+0x310/0x310 [ 1088.852195] ? task_prio+0x50/0x50 [ 1088.855729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.861259] ? check_preemption_disabled+0x48/0x280 [ 1088.866287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1088.871132] apic_timer_interrupt+0xf/0x20 [ 1088.875355] [ 1088.877587] RIP: 0010:console_unlock+0x102f/0x1190 [ 1088.882516] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1088.901408] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1088.909615] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1088.916884] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1088.924145] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1088.931410] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1088.938671] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1088.945952] ? netconsole_netdev_event+0x280/0x280 [ 1088.950882] ? console_unlock+0x1026/0x1190 [ 1088.955217] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1088.959876] ? vprintk_emit+0x846/0x990 [ 1088.963854] ? lock_release+0xa00/0xa00 [ 1088.967832] ? trace_hardirqs_on+0x70/0x310 [ 1088.972149] ? vprintk_default+0x28/0x30 [ 1088.976204] ? trace_hardirqs_off_caller+0x310/0x310 [ 1088.981311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1088.986849] vprintk_emit+0x391/0x990 [ 1088.990655] ? wake_up_klogd+0x180/0x180 [ 1088.994716] ? find_held_lock+0x11/0x1c0 [ 1088.998787] ? mark_held_locks+0xc7/0x130 [ 1089.002949] ? _raw_spin_unlock_irq+0x27/0x80 [ 1089.007439] ? _raw_spin_unlock_irq+0x27/0x80 [ 1089.011932] vprintk_default+0x28/0x30 [ 1089.015814] vprintk_func+0x7e/0x181 [ 1089.019529] printk+0xa7/0xcf [ 1089.022634] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1089.027386] ? _raw_spin_unlock_irq+0x60/0x80 [ 1089.031892] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1089.037173] dump_header+0x7cc/0xf72 [ 1089.040890] ? pagefault_out_of_memory+0x197/0x197 [ 1089.045820] ? __lock_acquire+0x62f/0x4c20 [ 1089.050059] ? print_usage_bug+0xc0/0xc0 [ 1089.054118] ? zap_class+0x640/0x640 [ 1089.057832] ? print_usage_bug+0xc0/0xc0 [ 1089.061888] ? print_usage_bug+0xc0/0xc0 [ 1089.065946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1089.071483] ? find_held_lock+0x36/0x1c0 [ 1089.075548] ? mark_held_locks+0xc7/0x130 [ 1089.079695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1089.084794] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1089.089891] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1089.094470] ? trace_hardirqs_on+0xbd/0x310 [ 1089.098787] ? kasan_check_read+0x11/0x20 [ 1089.102929] ? ___ratelimit+0x3b4/0x672 [ 1089.106903] ? trace_hardirqs_off_caller+0x310/0x310 [ 1089.112005] ? trace_hardirqs_on+0x310/0x310 [ 1089.116409] ? lock_downgrade+0x900/0x900 [ 1089.120559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1089.125659] ? ___ratelimit+0x3b9/0x672 [ 1089.129633] ? idr_get_free+0xf70/0xf70 [ 1089.133602] ? find_held_lock+0x36/0x1c0 [ 1089.137672] oom_kill_process.cold.27+0x10/0x903 [ 1089.142423] ? zap_class+0x640/0x640 [ 1089.146133] ? check_preemption_disabled+0x48/0x280 [ 1089.151146] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1089.156072] ? kasan_check_read+0x11/0x20 [ 1089.160211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1089.165483] ? oom_evaluate_task+0x540/0x540 [ 1089.169890] ? find_held_lock+0x36/0x1c0 [ 1089.173956] ? out_of_memory+0x974/0x1430 [ 1089.178099] ? lock_downgrade+0x900/0x900 [ 1089.182245] ? check_preemption_disabled+0x48/0x280 [ 1089.187274] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1089.192197] ? kasan_check_read+0x11/0x20 [ 1089.196342] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1089.201617] ? rcu_softirq_qs+0x20/0x20 [ 1089.205591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1089.211135] ? oom_evaluate_task+0x302/0x540 [ 1089.215542] out_of_memory+0xa84/0x1430 [ 1089.219518] ? oom_killer_disable+0x3a0/0x3a0 [ 1089.224012] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1089.228943] ? __ww_mutex_check_waiters+0x160/0x160 [ 1089.233966] __alloc_pages_slowpath+0x2354/0x2e10 [ 1089.238833] ? warn_alloc+0x120/0x120 [ 1089.242631] ? mark_held_locks+0x130/0x130 [ 1089.246865] ? find_get_entry+0xaae/0x1120 [ 1089.251103] ? filemap_map_pages+0x1a20/0x1a20 [ 1089.255684] ? zap_class+0x640/0x640 [ 1089.259402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1089.264935] ? check_preemption_disabled+0x48/0x280 [ 1089.269944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1089.275475] ? should_fail+0x22d/0xd01 [ 1089.279366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1089.284466] ? zap_class+0x640/0x640 [ 1089.288205] ? __lock_is_held+0xb5/0x140 [ 1089.292280] ? mark_held_locks+0x130/0x130 [ 1089.296513] ? lock_release+0xa00/0xa00 [ 1089.300486] ? perf_trace_sched_process_exec+0x860/0x860 [ 1089.305932] ? xa_load+0x2ba/0x460 [ 1089.309472] ? lock_downgrade+0x900/0x900 [ 1089.313623] ? __might_sleep+0x95/0x190 [ 1089.317596] __alloc_pages_nodemask+0xa80/0xde0 [ 1089.322277] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1089.327287] ? __page_cache_alloc+0x191/0x5c0 [ 1089.331774] ? xa_load+0x2e1/0x460 [ 1089.335314] ? xa_clear_mark+0x40/0x40 [ 1089.339199] ? zap_class+0x640/0x640 [ 1089.342920] ? zap_class+0x640/0x640 [ 1089.346628] ? zap_class+0x640/0x640 [ 1089.350339] ? __do_page_cache_readahead+0x663/0x810 [ 1089.355449] ? find_held_lock+0x36/0x1c0 [ 1089.359509] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1089.365049] alloc_pages_current+0x173/0x350 [ 1089.369457] __page_cache_alloc+0x38c/0x5c0 [ 1089.373773] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1089.378696] ? kasan_check_read+0x11/0x20 [ 1089.382839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1089.388116] ? generic_perform_write+0x6a0/0x6a0 [ 1089.392869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1089.398402] ? check_preemption_disabled+0x48/0x280 [ 1089.403421] filemap_fault+0x1595/0x25f0 [ 1089.407490] ? __lock_page_or_retry+0xa00/0xa00 [ 1089.412260] ? mark_held_locks+0x130/0x130 [ 1089.416503] ? filemap_map_pages+0xd6b/0x1a20 [ 1089.420994] ? lock_downgrade+0x900/0x900 [ 1089.425136] ? check_preemption_disabled+0x48/0x280 [ 1089.430151] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1089.435075] ? kasan_check_read+0x11/0x20 [ 1089.439222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1089.444503] ? rcu_softirq_qs+0x20/0x20 [ 1089.448486] ? filemap_map_pages+0xd92/0x1a20 [ 1089.452991] ? find_get_entries_tag+0x1400/0x1400 [ 1089.457825] ? find_held_lock+0x36/0x1c0 [ 1089.461899] ? lock_acquire+0x1ed/0x520 [ 1089.465867] ? ext4_filemap_fault+0x7a/0xad [ 1089.470280] ? lock_release+0xa00/0xa00 [ 1089.474253] ? perf_trace_sched_process_exec+0x860/0x860 [ 1089.479703] ? print_usage_bug+0xc0/0xc0 [ 1089.483776] ? down_read+0x8d/0x120 [ 1089.487398] ? ext4_filemap_fault+0x7a/0xad [ 1089.491716] ? __down_interruptible+0x700/0x700 [ 1089.496380] ? find_held_lock+0x36/0x1c0 [ 1089.500463] ext4_filemap_fault+0x82/0xad [ 1089.504625] __do_fault+0x100/0x6b0 [ 1089.508256] ? lock_downgrade+0x900/0x900 [ 1089.512399] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1089.517502] ? kasan_check_read+0x11/0x20 [ 1089.521642] ? do_raw_spin_unlock+0xa7/0x330 [ 1089.526048] ? do_raw_spin_trylock+0x270/0x270 [ 1089.530640] __handle_mm_fault+0x3ea0/0x5be0 [ 1089.535046] ? perf_trace_lock+0x7a0/0x7a0 [ 1089.539282] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1089.544131] ? ksys_dup3+0x680/0x680 [ 1089.547864] ? zap_class+0x640/0x640 [ 1089.551576] ? zap_class+0x640/0x640 [ 1089.555292] ? __x64_sys_futex+0x53e/0x6a0 [ 1089.559544] ? find_held_lock+0x36/0x1c0 [ 1089.563616] ? handle_mm_fault+0x42a/0xc70 [ 1089.567851] ? lock_downgrade+0x900/0x900 [ 1089.571992] ? check_preemption_disabled+0x48/0x280 [ 1089.577017] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1089.581943] ? kasan_check_read+0x11/0x20 [ 1089.586084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1089.591355] ? rcu_softirq_qs+0x20/0x20 [ 1089.595327] ? trace_hardirqs_off_caller+0x310/0x310 [ 1089.600436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1089.605969] ? check_preemption_disabled+0x48/0x280 [ 1089.610988] handle_mm_fault+0x54f/0xc70 [ 1089.615051] ? __handle_mm_fault+0x5be0/0x5be0 [ 1089.619632] ? find_vma+0x34/0x190 [ 1089.623173] __do_page_fault+0x5e8/0xe60 [ 1089.627341] ? trace_hardirqs_off+0xb8/0x310 [ 1089.631744] ? kernel_write+0x120/0x120 [ 1089.635726] do_page_fault+0xf2/0x7e0 [ 1089.639523] ? vmalloc_sync_all+0x30/0x30 [ 1089.643663] ? error_entry+0x70/0xd0 [ 1089.647372] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1089.652384] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1089.657307] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1089.662237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1089.667079] ? trace_hardirqs_on_caller+0x310/0x310 [ 1089.672088] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1089.677537] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1089.682548] ? page_fault+0x8/0x30 [ 1089.686086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1089.690928] ? page_fault+0x8/0x30 [ 1089.694463] page_fault+0x1e/0x30 [ 1089.697907] RIP: 0033:0x404068 [ 1089.701110] Code: Bad RIP value. [ 1089.704464] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1089.709819] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1089.717079] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1089.724341] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1089.731603] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1089.738866] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1089.746147] warn_alloc_show_mem: 1 callbacks suppressed [ 1089.746157] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1089.746159] Mem-Info: [ 1089.746188] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1089.746188] active_file:12 inactive_file:9 isolated_file:0 [ 1089.746188] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1089.746188] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1089.746188] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1089.746188] free:13627 free_pcp:121 free_cma:0 [ 1089.751519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1089.751526] Call Trace: [ 1089.758798] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1089.761189] [ 1089.794060] 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 [ 1089.803418] dump_stack+0x244/0x39d [ 1089.805972] lowmem_reserve[]: 0 2818 6321 6321 [ 1089.833633] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1089.835756] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1089.861960] warn_alloc.cold.116+0xb7/0x1bd [ 1089.865548] lowmem_reserve[]: 0 0 3503 3503 [ 1089.870118] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1089.875276] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1089.902589] ? lock_downgrade+0x900/0x900 [ 1089.906884] lowmem_reserve[]: 0 0 0 0 [ 1089.911217] ? trace_hardirqs_off+0xb8/0x310 [ 1089.916024] 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 [ 1089.944731] ? trace_hardirqs_off+0xb8/0x310 [ 1089.948850] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1089.952655] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1089.957028] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1089.970570] ? warn_alloc+0x120/0x120 [ 1089.974935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1089.990535] ? print_usage_bug+0xc0/0xc0 [ 1089.995350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1090.008422] ? warn_alloc+0x120/0x120 [ 1090.012201] 4359 total pagecache pages [ 1090.021022] ? warn_alloc+0x120/0x120 [ 1090.025063] 0 pages in swap cache [ 1090.033619] ? print_usage_bug+0xc0/0xc0 [ 1090.037395] Swap cache stats: add 0, delete 0, find 0/0 [ 1090.041265] ? kvm_clock_read+0x18/0x30 [ 1090.045036] Free swap = 0kB [ 1090.048479] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1090.052505] Total swap = 0kB [ 1090.052513] 1965979 pages RAM [ 1090.057860] ? print_usage_bug+0xc0/0xc0 [ 1090.061798] 0 pages HighMem/MovableOnly [ 1090.061805] 342854 pages reserved [ 1090.064809] ? __lock_acquire+0x62f/0x4c20 [ 1090.069797] 0 pages cma reserved [ 1090.072804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1090.076320] aoe: skb alloc failure [ 1090.080315] ? should_fail+0x22d/0xd01 [ 1090.084366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1090.087785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1090.091993] syz-fuzzer cpuset=/ mems_allowed=0 [ 1090.095347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1090.133364] ? __lock_acquire+0x62f/0x4c20 [ 1090.137601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1090.142696] ? __lock_acquire+0x62f/0x4c20 [ 1090.146927] ? should_fail+0x22d/0xd01 [ 1090.150807] ? rcu_irq_exit+0x1a2/0x390 [ 1090.154797] ? mark_held_locks+0x130/0x130 [ 1090.159030] ? mark_held_locks+0x130/0x130 [ 1090.163274] ? mark_held_locks+0xc7/0x130 [ 1090.167866] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1090.172882] ? zap_class+0x640/0x640 [ 1090.176591] ? print_usage_bug+0xc0/0xc0 [ 1090.180653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.186192] ? check_preemption_disabled+0x48/0x280 [ 1090.191216] ? __lock_is_held+0xb5/0x140 [ 1090.195278] __alloc_pages_nodemask+0xa80/0xde0 [ 1090.199945] ? zap_class+0x640/0x640 [ 1090.203660] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1090.208680] ? find_held_lock+0x36/0x1c0 [ 1090.212744] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1090.217411] ? lock_downgrade+0x900/0x900 [ 1090.221559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.227099] cache_grow_begin+0xa5/0x8c0 [ 1090.231156] ? do_raw_spin_unlock+0xa7/0x330 [ 1090.235574] fallback_alloc+0x204/0x2e0 [ 1090.239548] ____cache_alloc_node+0x1c7/0x1e0 [ 1090.244051] kmem_cache_alloc_node+0xe3/0x730 [ 1090.248543] ? ipv6_get_ifaddr+0x42e/0x620 [ 1090.252787] __alloc_skb+0x119/0x770 [ 1090.256498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1090.261779] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1090.266187] ? lock_downgrade+0x900/0x900 [ 1090.270335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.275869] ? refcount_sub_and_test_checked+0x203/0x310 [ 1090.281316] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1090.286762] ? addrconf_rs_timer+0x690/0x690 [ 1090.291188] ndisc_alloc_skb+0x144/0x340 [ 1090.295255] ndisc_send_rs+0x331/0x6e0 [ 1090.299146] addrconf_rs_timer+0x314/0x690 [ 1090.303386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1090.307629] call_timer_fn+0x272/0x920 [ 1090.311510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1090.315741] ? process_timeout+0x40/0x40 [ 1090.319808] ? __run_timers+0x7da/0xc70 [ 1090.323781] ? _raw_spin_unlock_irq+0x27/0x80 [ 1090.328268] ? _raw_spin_unlock_irq+0x27/0x80 [ 1090.332759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1090.336990] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1090.341656] ? trace_hardirqs_on+0xbd/0x310 [ 1090.345977] ? kasan_check_read+0x11/0x20 [ 1090.350118] ? __run_timers+0x7da/0xc70 [ 1090.354087] ? trace_hardirqs_off_caller+0x310/0x310 [ 1090.359195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1090.363428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1090.367657] __run_timers+0x7e5/0xc70 [ 1090.371465] ? timer_fixup_init+0x70/0x70 [ 1090.375610] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1090.380625] ? zap_class+0x640/0x640 [ 1090.384341] ? enqueue_hrtimer+0x1a5/0x560 [ 1090.388575] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1090.394036] ? find_held_lock+0x36/0x1c0 [ 1090.398096] ? zap_class+0x640/0x640 [ 1090.401807] ? pvclock_read_flags+0x160/0x160 [ 1090.406298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.411834] ? check_preemption_disabled+0x48/0x280 [ 1090.416855] ? __lock_is_held+0xb5/0x140 [ 1090.420912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.426446] ? check_preemption_disabled+0x48/0x280 [ 1090.431462] run_timer_softirq+0x52/0xb0 [ 1090.435518] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1090.441402] __do_softirq+0x308/0xb7e [ 1090.445200] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1090.449689] ? lock_downgrade+0x900/0x900 [ 1090.453839] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1090.458948] ? pvclock_read_flags+0x160/0x160 [ 1090.463444] ? lapic_next_event+0x5a/0x90 [ 1090.467590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.473128] ? kvm_clock_read+0x18/0x30 [ 1090.477102] ? kvm_sched_clock_read+0x9/0x20 [ 1090.481505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.487039] ? check_preemption_disabled+0x48/0x280 [ 1090.492059] irq_exit+0x17f/0x1c0 [ 1090.495508] smp_apic_timer_interrupt+0x1cb/0x760 [ 1090.500348] ? smp_reschedule_interrupt+0x109/0x650 [ 1090.505360] ? smp_call_function_single_interrupt+0x650/0x650 [ 1090.511238] ? interrupt_entry+0xb5/0xc0 [ 1090.515298] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1090.520308] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1090.525319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1090.530168] ? trace_hardirqs_on_caller+0x310/0x310 [ 1090.535178] ? trace_hardirqs_on_caller+0x310/0x310 [ 1090.540190] ? task_prio+0x50/0x50 [ 1090.543731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.549265] ? check_preemption_disabled+0x48/0x280 [ 1090.554282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1090.559130] apic_timer_interrupt+0xf/0x20 [ 1090.563368] [ 1090.565602] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1090.570528] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1090.590115] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1090.597823] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1090.605084] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1090.612347] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1090.619609] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1090.626869] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1090.634181] skb_clone+0x1bb/0x500 [ 1090.637718] ? finish_task_switch+0x2f4/0x910 [ 1090.642211] ? skb_split+0x11e0/0x11e0 [ 1090.646098] ? preempt_notifier_register+0x200/0x200 [ 1090.651192] ? __switch_to_asm+0x34/0x70 [ 1090.655245] ? __switch_to_asm+0x34/0x70 [ 1090.659299] ? __switch_to_asm+0x40/0x70 [ 1090.663366] ? __switch_to_asm+0x34/0x70 [ 1090.667421] ? __switch_to_asm+0x40/0x70 [ 1090.671474] ? __switch_to_asm+0x34/0x70 [ 1090.675538] ? __switch_to_asm+0x40/0x70 [ 1090.679600] ? __switch_to_asm+0x34/0x70 [ 1090.683655] ? __switch_to_asm+0x34/0x70 [ 1090.687707] ? __switch_to_asm+0x40/0x70 [ 1090.691761] ? __switch_to_asm+0x34/0x70 [ 1090.695825] bpf_clone_redirect+0xb9/0x490 [ 1090.700057] ? __schedule+0x8d7/0x21d0 [ 1090.703944] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1090.708961] ? __sched_text_start+0x8/0x8 [ 1090.713122] ? find_held_lock+0x36/0x1c0 [ 1090.717194] ? lock_acquire+0x1ed/0x520 [ 1090.721166] ? bpf_test_run+0x3cb/0x780 [ 1090.725147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1090.730687] ? check_preemption_disabled+0x48/0x280 [ 1090.735705] ? kasan_check_read+0x11/0x20 [ 1090.739847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1090.745122] ? rcu_softirq_qs+0x20/0x20 [ 1090.749110] ? preempt_schedule+0x4d/0x60 [ 1090.753263] ? ___preempt_schedule+0x16/0x18 [ 1090.757678] ? bpf_test_run+0x25d/0x780 [ 1090.761661] ? netlink_diag_dump+0x2a0/0x2a0 [ 1090.766071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1090.771606] ? bpf_test_init.isra.10+0x70/0x100 [ 1090.776278] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1090.781038] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1090.785888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1090.791422] ? fput+0x130/0x1a0 [ 1090.794786] ? __bpf_prog_get+0x9b/0x290 [ 1090.798845] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1090.803684] ? bpf_prog_test_run+0x130/0x1a0 [ 1090.808091] ? __x64_sys_bpf+0x3d8/0x520 [ 1090.812157] ? bpf_prog_get+0x20/0x20 [ 1090.815970] ? do_syscall_64+0x1b9/0x820 [ 1090.820032] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1090.825392] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1090.830313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1090.835155] ? trace_hardirqs_on_caller+0x310/0x310 [ 1090.840169] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1090.845181] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1090.850210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1090.855054] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1090.860433] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1090.860492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1090.867437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1090.867442] Call Trace: [ 1090.867448] [ 1090.867465] dump_stack+0x244/0x39d [ 1090.867488] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1090.874000] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1090.883304] warn_alloc.cold.116+0xb7/0x1bd [ 1090.885854] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1090.887995] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1090.922409] ? lock_downgrade+0x900/0x900 [ 1090.926564] ? trace_hardirqs_off+0xb8/0x310 [ 1090.930973] ? trace_hardirqs_off+0xb8/0x310 [ 1090.935386] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1090.940254] ? warn_alloc+0x120/0x120 [ 1090.944056] ? warn_alloc+0x120/0x120 [ 1090.947852] ? __lock_acquire+0x62f/0x4c20 [ 1090.952082] ? warn_alloc+0x120/0x120 [ 1090.955888] ? print_usage_bug+0xc0/0xc0 [ 1090.959950] ? print_usage_bug+0xc0/0xc0 [ 1090.964098] ? mark_held_locks+0x130/0x130 [ 1090.968341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1090.973871] ? should_fail+0x22d/0xd01 [ 1090.978204] ? zap_class+0x640/0x640 [ 1090.981915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1090.987014] ? __lock_acquire+0x62f/0x4c20 [ 1090.991248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1090.996347] ? should_fail+0x22d/0xd01 [ 1091.000246] ? mark_held_locks+0x130/0x130 [ 1091.004496] ? mark_held_locks+0x130/0x130 [ 1091.008723] ? lock_downgrade+0x900/0x900 [ 1091.012867] ? zap_class+0x640/0x640 [ 1091.016572] ? zap_class+0x640/0x640 [ 1091.020286] ? zap_class+0x640/0x640 [ 1091.024078] ? do_raw_spin_unlock+0xa7/0x330 [ 1091.028491] ? trace_hardirqs_on+0x310/0x310 [ 1091.032898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.038431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.043962] ? check_preemption_disabled+0x48/0x280 [ 1091.048982] ? __lock_is_held+0xb5/0x140 [ 1091.053042] __alloc_pages_nodemask+0xa80/0xde0 [ 1091.057711] ? zap_class+0x640/0x640 [ 1091.061424] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1091.066446] ? find_held_lock+0x36/0x1c0 [ 1091.070514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1091.075182] ? lock_downgrade+0x900/0x900 [ 1091.079344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.084882] cache_grow_begin+0xa5/0x8c0 [ 1091.088936] ? do_raw_spin_unlock+0xa7/0x330 [ 1091.093348] fallback_alloc+0x204/0x2e0 [ 1091.097324] ____cache_alloc_node+0x1c7/0x1e0 [ 1091.101827] kmem_cache_alloc_node+0xe3/0x730 [ 1091.106317] ? __kmalloc_node_track_caller+0x50/0x70 [ 1091.111422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1091.116960] __alloc_skb+0x119/0x770 [ 1091.120666] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1091.126030] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1091.130449] ? vprintk_default+0x28/0x30 [ 1091.134507] ? vprintk_func+0x85/0x181 [ 1091.138388] ? printk+0xa7/0xcf [ 1091.141663] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1091.146420] ? do_raw_spin_trylock+0x270/0x270 [ 1091.151007] new_skb+0x26/0x1c0 [ 1091.154283] aoecmd_cfg+0x279/0x7f0 [ 1091.157914] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1091.162236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.167996] ? __lock_is_held+0xb5/0x140 [ 1091.172070] discover_timer+0x50/0x60 [ 1091.175869] call_timer_fn+0x272/0x920 [ 1091.179752] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1091.184589] ? process_timeout+0x40/0x40 [ 1091.188655] ? mark_held_locks+0xc7/0x130 [ 1091.192799] ? _raw_spin_unlock_irq+0x27/0x80 [ 1091.197382] ? _raw_spin_unlock_irq+0x27/0x80 [ 1091.201873] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1091.206710] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1091.211287] ? trace_hardirqs_on+0xbd/0x310 [ 1091.215603] ? kasan_check_read+0x11/0x20 [ 1091.219743] ? __run_timers+0x7da/0xc70 [ 1091.223712] ? trace_hardirqs_off_caller+0x310/0x310 [ 1091.228822] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1091.233657] __run_timers+0x7e5/0xc70 [ 1091.237470] ? timer_fixup_init+0x70/0x70 [ 1091.241618] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1091.246630] ? zap_class+0x640/0x640 [ 1091.250345] ? print_usage_bug+0xc0/0xc0 [ 1091.254415] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1091.259609] ? find_held_lock+0x36/0x1c0 [ 1091.263675] ? zap_class+0x640/0x640 [ 1091.267387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.272919] ? check_preemption_disabled+0x48/0x280 [ 1091.277942] ? __lock_is_held+0xb5/0x140 [ 1091.282003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.287536] ? check_preemption_disabled+0x48/0x280 [ 1091.292558] run_timer_softirq+0x52/0xb0 [ 1091.296617] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1091.301630] __do_softirq+0x308/0xb7e [ 1091.305433] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1091.309929] ? lock_downgrade+0x900/0x900 [ 1091.314090] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1091.319201] ? pvclock_read_flags+0x160/0x160 [ 1091.323700] ? lapic_next_event+0x5a/0x90 [ 1091.327844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.333387] ? kvm_clock_read+0x18/0x30 [ 1091.337362] ? kvm_sched_clock_read+0x9/0x20 [ 1091.341767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.347299] ? check_preemption_disabled+0x48/0x280 [ 1091.352323] irq_exit+0x17f/0x1c0 [ 1091.355776] smp_apic_timer_interrupt+0x1cb/0x760 [ 1091.360612] ? smp_reschedule_interrupt+0x109/0x650 [ 1091.365628] ? smp_call_function_single_interrupt+0x650/0x650 [ 1091.371511] ? interrupt_entry+0xb5/0xc0 [ 1091.375569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1091.380577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1091.385586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1091.390428] ? trace_hardirqs_on_caller+0x310/0x310 [ 1091.395461] ? trace_hardirqs_on_caller+0x310/0x310 [ 1091.400482] ? task_prio+0x50/0x50 [ 1091.404023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.410253] ? check_preemption_disabled+0x48/0x280 [ 1091.415273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1091.420122] apic_timer_interrupt+0xf/0x20 [ 1091.424344] [ 1091.426576] RIP: 0010:console_unlock+0x102f/0x1190 [ 1091.431506] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1091.450412] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1091.458291] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1091.465552] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1091.472813] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1091.480086] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1091.487351] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1091.494629] ? netconsole_netdev_event+0x280/0x280 [ 1091.499562] ? console_unlock+0x1026/0x1190 [ 1091.503899] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1091.508559] ? vprintk_emit+0x846/0x990 [ 1091.512532] ? lock_release+0xa00/0xa00 [ 1091.516511] ? trace_hardirqs_on+0x70/0x310 [ 1091.520830] ? vprintk_default+0x28/0x30 [ 1091.524887] ? trace_hardirqs_off_caller+0x310/0x310 [ 1091.529987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.535540] vprintk_emit+0x391/0x990 [ 1091.539346] ? wake_up_klogd+0x180/0x180 [ 1091.543411] ? find_held_lock+0x11/0x1c0 [ 1091.547478] ? mark_held_locks+0xc7/0x130 [ 1091.551622] ? _raw_spin_unlock_irq+0x27/0x80 [ 1091.556113] ? _raw_spin_unlock_irq+0x27/0x80 [ 1091.560607] vprintk_default+0x28/0x30 [ 1091.564491] vprintk_func+0x7e/0x181 [ 1091.568201] printk+0xa7/0xcf [ 1091.571300] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1091.576052] ? _raw_spin_unlock_irq+0x60/0x80 [ 1091.580562] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1091.585839] dump_header+0x7cc/0xf72 [ 1091.589561] ? pagefault_out_of_memory+0x197/0x197 [ 1091.594494] ? __lock_acquire+0x62f/0x4c20 [ 1091.598729] ? print_usage_bug+0xc0/0xc0 [ 1091.602791] ? zap_class+0x640/0x640 [ 1091.606505] ? print_usage_bug+0xc0/0xc0 [ 1091.610566] ? print_usage_bug+0xc0/0xc0 [ 1091.614633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.620167] ? find_held_lock+0x36/0x1c0 [ 1091.624230] ? mark_held_locks+0xc7/0x130 [ 1091.628376] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1091.633475] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1091.638577] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1091.643159] ? trace_hardirqs_on+0xbd/0x310 [ 1091.647482] ? kasan_check_read+0x11/0x20 [ 1091.651624] ? ___ratelimit+0x3b4/0x672 [ 1091.655597] ? trace_hardirqs_off_caller+0x310/0x310 [ 1091.660697] ? trace_hardirqs_on+0x310/0x310 [ 1091.665100] ? lock_downgrade+0x900/0x900 [ 1091.669253] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1091.674352] ? ___ratelimit+0x3b9/0x672 [ 1091.678413] ? idr_get_free+0xf70/0xf70 [ 1091.682385] ? find_held_lock+0x36/0x1c0 [ 1091.686457] oom_kill_process.cold.27+0x10/0x903 [ 1091.691212] ? zap_class+0x640/0x640 [ 1091.694926] ? check_preemption_disabled+0x48/0x280 [ 1091.699942] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1091.704867] ? kasan_check_read+0x11/0x20 [ 1091.709008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1091.714279] ? oom_evaluate_task+0x540/0x540 [ 1091.718685] ? find_held_lock+0x36/0x1c0 [ 1091.722746] ? out_of_memory+0x974/0x1430 [ 1091.726893] ? lock_downgrade+0x900/0x900 [ 1091.731039] ? check_preemption_disabled+0x48/0x280 [ 1091.736080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1091.741002] ? kasan_check_read+0x11/0x20 [ 1091.745143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1091.750420] ? rcu_softirq_qs+0x20/0x20 [ 1091.754391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1091.759934] ? oom_evaluate_task+0x302/0x540 [ 1091.764342] out_of_memory+0xa84/0x1430 [ 1091.768320] ? oom_killer_disable+0x3a0/0x3a0 [ 1091.772809] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1091.777740] ? __ww_mutex_check_waiters+0x160/0x160 [ 1091.782763] __alloc_pages_slowpath+0x2354/0x2e10 [ 1091.787627] ? warn_alloc+0x120/0x120 [ 1091.791427] ? mark_held_locks+0x130/0x130 [ 1091.795660] ? find_get_entry+0xaae/0x1120 [ 1091.799897] ? filemap_map_pages+0x1a20/0x1a20 [ 1091.804479] ? zap_class+0x640/0x640 [ 1091.808197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1091.813750] ? check_preemption_disabled+0x48/0x280 [ 1091.818764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1091.824305] ? should_fail+0x22d/0xd01 [ 1091.828194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1091.833295] ? zap_class+0x640/0x640 [ 1091.837030] ? __lock_is_held+0xb5/0x140 [ 1091.841105] ? mark_held_locks+0x130/0x130 [ 1091.845338] ? lock_release+0xa00/0xa00 [ 1091.849311] ? perf_trace_sched_process_exec+0x860/0x860 [ 1091.854755] ? xa_load+0x2ba/0x460 [ 1091.858291] ? lock_downgrade+0x900/0x900 [ 1091.862440] ? __might_sleep+0x95/0x190 [ 1091.866419] __alloc_pages_nodemask+0xa80/0xde0 [ 1091.871089] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1091.876099] ? __page_cache_alloc+0x191/0x5c0 [ 1091.880595] ? xa_load+0x2e1/0x460 [ 1091.884134] ? xa_clear_mark+0x40/0x40 [ 1091.888019] ? zap_class+0x640/0x640 [ 1091.891744] ? zap_class+0x640/0x640 [ 1091.895450] ? zap_class+0x640/0x640 [ 1091.899160] ? __do_page_cache_readahead+0x663/0x810 [ 1091.904264] ? find_held_lock+0x36/0x1c0 [ 1091.908325] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1091.913863] alloc_pages_current+0x173/0x350 [ 1091.918272] __page_cache_alloc+0x38c/0x5c0 [ 1091.922589] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1091.927512] ? kasan_check_read+0x11/0x20 [ 1091.931652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1091.936924] ? generic_perform_write+0x6a0/0x6a0 [ 1091.941678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1091.947208] ? check_preemption_disabled+0x48/0x280 [ 1091.952226] filemap_fault+0x1595/0x25f0 [ 1091.956293] ? __lock_page_or_retry+0xa00/0xa00 [ 1091.960960] ? mark_held_locks+0x130/0x130 [ 1091.965198] ? filemap_map_pages+0xd6b/0x1a20 [ 1091.969692] ? lock_downgrade+0x900/0x900 [ 1091.973842] ? check_preemption_disabled+0x48/0x280 [ 1091.978863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1091.983810] ? kasan_check_read+0x11/0x20 [ 1091.987951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1091.993221] ? rcu_softirq_qs+0x20/0x20 [ 1091.997201] ? filemap_map_pages+0xd92/0x1a20 [ 1092.001708] ? find_get_entries_tag+0x1400/0x1400 [ 1092.006544] ? find_held_lock+0x36/0x1c0 [ 1092.010625] ? lock_acquire+0x1ed/0x520 [ 1092.014597] ? ext4_filemap_fault+0x7a/0xad [ 1092.018919] ? lock_release+0xa00/0xa00 [ 1092.022885] ? perf_trace_sched_process_exec+0x860/0x860 [ 1092.028332] ? print_usage_bug+0xc0/0xc0 [ 1092.032411] ? down_read+0x8d/0x120 [ 1092.036043] ? ext4_filemap_fault+0x7a/0xad [ 1092.040359] ? __down_interruptible+0x700/0x700 [ 1092.045047] ? find_held_lock+0x36/0x1c0 [ 1092.049108] ext4_filemap_fault+0x82/0xad [ 1092.053255] __do_fault+0x100/0x6b0 [ 1092.056879] ? lock_downgrade+0x900/0x900 [ 1092.061036] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1092.066629] ? kasan_check_read+0x11/0x20 [ 1092.070768] ? do_raw_spin_unlock+0xa7/0x330 [ 1092.075504] ? do_raw_spin_trylock+0x270/0x270 [ 1092.080101] __handle_mm_fault+0x3ea0/0x5be0 [ 1092.084502] ? perf_trace_lock+0x7a0/0x7a0 [ 1092.088745] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1092.093595] ? ksys_dup3+0x680/0x680 [ 1092.097321] ? zap_class+0x640/0x640 [ 1092.101036] ? zap_class+0x640/0x640 [ 1092.104745] ? __x64_sys_futex+0x53e/0x6a0 [ 1092.108979] ? find_held_lock+0x36/0x1c0 [ 1092.113052] ? handle_mm_fault+0x42a/0xc70 [ 1092.117282] ? lock_downgrade+0x900/0x900 [ 1092.121428] ? check_preemption_disabled+0x48/0x280 [ 1092.126540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1092.131462] ? kasan_check_read+0x11/0x20 [ 1092.135604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1092.140875] ? rcu_softirq_qs+0x20/0x20 [ 1092.144843] ? trace_hardirqs_off_caller+0x310/0x310 [ 1092.149942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1092.155476] ? check_preemption_disabled+0x48/0x280 [ 1092.160493] handle_mm_fault+0x54f/0xc70 [ 1092.164553] ? __handle_mm_fault+0x5be0/0x5be0 [ 1092.169139] ? find_vma+0x34/0x190 [ 1092.172680] __do_page_fault+0x5e8/0xe60 [ 1092.176739] ? trace_hardirqs_off+0xb8/0x310 [ 1092.181144] ? kernel_write+0x120/0x120 [ 1092.185126] do_page_fault+0xf2/0x7e0 [ 1092.188924] ? vmalloc_sync_all+0x30/0x30 [ 1092.193068] ? error_entry+0x70/0xd0 [ 1092.196777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1092.201788] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1092.206712] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1092.211636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1092.216474] ? trace_hardirqs_on_caller+0x310/0x310 [ 1092.221485] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1092.226938] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1092.231949] ? page_fault+0x8/0x30 [ 1092.235486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1092.240327] ? page_fault+0x8/0x30 [ 1092.243865] page_fault+0x1e/0x30 [ 1092.247317] RIP: 0033:0x404068 [ 1092.250520] Code: Bad RIP value. [ 1092.253878] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1092.259233] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1092.266500] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1092.273763] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1092.281029] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1092.288296] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1092.295586] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1092.295591] warn_alloc_show_mem: 1 callbacks suppressed [ 1092.295597] Mem-Info: [ 1092.302863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1092.308225] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1092.308225] active_file:12 inactive_file:9 isolated_file:0 [ 1092.308225] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1092.308225] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1092.308225] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1092.308225] free:13627 free_pcp:121 free_cma:0 [ 1092.310591] Call Trace: [ 1092.319965] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1092.352802] [ 1092.355374] 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 [ 1092.383031] dump_stack+0x244/0x39d [ 1092.385148] lowmem_reserve[]: 0 2818 6321 6321 [ 1092.411247] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1092.414840] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1092.419436] warn_alloc.cold.116+0xb7/0x1bd [ 1092.424589] lowmem_reserve[]: 0 0 3503 3503 [ 1092.451905] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1092.456194] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1092.460509] ? lock_downgrade+0x900/0x900 [ 1092.465317] lowmem_reserve[]: 0 0 0 0 [ 1092.494037] ? trace_hardirqs_off+0xb8/0x310 [ 1092.494057] ? trace_hardirqs_off+0xb8/0x310 [ 1092.498189] 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 [ 1092.501991] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1092.506367] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1092.510804] ? warn_alloc+0x120/0x120 [ 1092.524273] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1092.529109] ? print_usage_bug+0xc0/0xc0 [ 1092.544695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1092.548477] ? warn_alloc+0x120/0x120 [ 1092.561542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1092.565589] ? warn_alloc+0x120/0x120 [ 1092.574393] 4359 total pagecache pages [ 1092.578183] ? print_usage_bug+0xc0/0xc0 [ 1092.586740] 0 pages in swap cache [ 1092.590522] ? print_usage_bug+0xc0/0xc0 [ 1092.594380] Swap cache stats: add 0, delete 0, find 0/0 [ 1092.598426] ? __lock_acquire+0x62f/0x4c20 [ 1092.601855] Free swap = 0kB [ 1092.605908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1092.611240] Total swap = 0kB [ 1092.611247] 1965979 pages RAM [ 1092.615470] ? should_fail+0x22d/0xd01 [ 1092.618462] 0 pages HighMem/MovableOnly [ 1092.624006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1092.626999] 342854 pages reserved [ 1092.630090] ? __lock_acquire+0x62f/0x4c20 [ 1092.633949] 0 pages cma reserved [ 1092.637913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1092.643042] aoe: skb alloc failure [ 1092.646425] ? __lock_acquire+0x62f/0x4c20 [ 1092.646438] ? should_fail+0x22d/0xd01 [ 1092.646455] ? find_held_lock+0x36/0x1c0 [ 1092.650689] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1092.654022] ? mark_held_locks+0x130/0x130 [ 1092.659091] syz-fuzzer cpuset=/ mems_allowed=0 [ 1092.662618] ? mark_held_locks+0x130/0x130 [ 1092.697939] ? zap_class+0x640/0x640 [ 1092.701658] ? zap_class+0x640/0x640 [ 1092.705370] ? print_usage_bug+0xc0/0xc0 [ 1092.709425] ? do_raw_spin_unlock+0xa7/0x330 [ 1092.713828] ? zap_class+0x640/0x640 [ 1092.717540] ? print_usage_bug+0xc0/0xc0 [ 1092.721594] ? wq_watchdog_touch+0x9c/0xfe [ 1092.725827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1092.731368] ? check_preemption_disabled+0x48/0x280 [ 1092.736393] ? __lock_is_held+0xb5/0x140 [ 1092.740458] __alloc_pages_nodemask+0xa80/0xde0 [ 1092.745125] ? zap_class+0x640/0x640 [ 1092.748850] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1092.753878] ? find_held_lock+0x36/0x1c0 [ 1092.757944] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1092.762616] ? lock_downgrade+0x900/0x900 [ 1092.766765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1092.772303] cache_grow_begin+0xa5/0x8c0 [ 1092.776374] ? do_raw_spin_unlock+0xa7/0x330 [ 1092.780872] fallback_alloc+0x204/0x2e0 [ 1092.784852] ____cache_alloc_node+0x1c7/0x1e0 [ 1092.789349] kmem_cache_alloc_node+0xe3/0x730 [ 1092.793846] ? ipv6_get_ifaddr+0x42e/0x620 [ 1092.798093] __alloc_skb+0x119/0x770 [ 1092.801800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1092.807083] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1092.811486] ? lock_downgrade+0x900/0x900 [ 1092.815638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1092.821169] ? refcount_sub_and_test_checked+0x203/0x310 [ 1092.826618] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1092.832063] ? addrconf_rs_timer+0x690/0x690 [ 1092.836498] ndisc_alloc_skb+0x144/0x340 [ 1092.840559] ndisc_send_rs+0x331/0x6e0 [ 1092.844447] addrconf_rs_timer+0x314/0x690 [ 1092.848685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1092.852927] call_timer_fn+0x272/0x920 [ 1092.856813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1092.861052] ? process_timeout+0x40/0x40 [ 1092.865115] ? __run_timers+0x7da/0xc70 [ 1092.869087] ? _raw_spin_unlock_irq+0x27/0x80 [ 1092.873578] ? _raw_spin_unlock_irq+0x27/0x80 [ 1092.878066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1092.882294] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1092.886874] ? trace_hardirqs_on+0xbd/0x310 [ 1092.891188] ? kasan_check_read+0x11/0x20 [ 1092.895330] ? __run_timers+0x7da/0xc70 [ 1092.899305] ? trace_hardirqs_off_caller+0x310/0x310 [ 1092.904407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1092.908973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1092.913205] __run_timers+0x7e5/0xc70 [ 1092.917011] ? timer_fixup_init+0x70/0x70 [ 1092.921158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1092.926174] ? zap_class+0x640/0x640 [ 1092.929886] ? enqueue_hrtimer+0x1a5/0x560 [ 1092.934202] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1092.939398] ? find_held_lock+0x36/0x1c0 [ 1092.943459] ? zap_class+0x640/0x640 [ 1092.947170] ? pvclock_read_flags+0x160/0x160 [ 1092.951665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1092.957201] ? check_preemption_disabled+0x48/0x280 [ 1092.962221] ? __lock_is_held+0xb5/0x140 [ 1092.966280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1092.971811] ? check_preemption_disabled+0x48/0x280 [ 1092.976839] run_timer_softirq+0x52/0xb0 [ 1092.980893] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1092.985912] __do_softirq+0x308/0xb7e [ 1092.989714] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1092.994203] ? lock_downgrade+0x900/0x900 [ 1092.998349] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1093.003454] ? pvclock_read_flags+0x160/0x160 [ 1093.007954] ? lapic_next_event+0x5a/0x90 [ 1093.012101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.017639] ? kvm_clock_read+0x18/0x30 [ 1093.021620] ? kvm_sched_clock_read+0x9/0x20 [ 1093.026028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.031559] ? check_preemption_disabled+0x48/0x280 [ 1093.036597] irq_exit+0x17f/0x1c0 [ 1093.040049] smp_apic_timer_interrupt+0x1cb/0x760 [ 1093.044886] ? smp_reschedule_interrupt+0x109/0x650 [ 1093.049990] ? smp_call_function_single_interrupt+0x650/0x650 [ 1093.055869] ? interrupt_entry+0xb5/0xc0 [ 1093.059926] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1093.064950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1093.069974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.074821] ? trace_hardirqs_on_caller+0x310/0x310 [ 1093.079833] ? trace_hardirqs_on_caller+0x310/0x310 [ 1093.084847] ? task_prio+0x50/0x50 [ 1093.088382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.093917] ? check_preemption_disabled+0x48/0x280 [ 1093.098946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.103791] apic_timer_interrupt+0xf/0x20 [ 1093.108017] [ 1093.110257] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1093.115184] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1093.134078] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1093.141784] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1093.149053] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1093.156314] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1093.163575] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1093.170841] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1093.178146] skb_clone+0x1bb/0x500 [ 1093.181681] ? finish_task_switch+0x2f4/0x910 [ 1093.186177] ? skb_split+0x11e0/0x11e0 [ 1093.190060] ? preempt_notifier_register+0x200/0x200 [ 1093.195154] ? __switch_to_asm+0x34/0x70 [ 1093.199213] ? __switch_to_asm+0x34/0x70 [ 1093.203265] ? __switch_to_asm+0x40/0x70 [ 1093.207329] ? __switch_to_asm+0x34/0x70 [ 1093.211382] ? __switch_to_asm+0x40/0x70 [ 1093.215439] ? __switch_to_asm+0x34/0x70 [ 1093.219496] ? __switch_to_asm+0x40/0x70 [ 1093.223552] ? __switch_to_asm+0x34/0x70 [ 1093.227605] ? __switch_to_asm+0x34/0x70 [ 1093.231655] ? __switch_to_asm+0x40/0x70 [ 1093.235707] ? __switch_to_asm+0x34/0x70 [ 1093.239766] bpf_clone_redirect+0xb9/0x490 [ 1093.243997] ? __schedule+0x8d7/0x21d0 [ 1093.247886] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1093.252994] ? __sched_text_start+0x8/0x8 [ 1093.257149] ? find_held_lock+0x36/0x1c0 [ 1093.261219] ? lock_acquire+0x1ed/0x520 [ 1093.265189] ? bpf_test_run+0x3cb/0x780 [ 1093.269158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.274961] ? check_preemption_disabled+0x48/0x280 [ 1093.279980] ? kasan_check_read+0x11/0x20 [ 1093.284122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1093.289392] ? rcu_softirq_qs+0x20/0x20 [ 1093.293361] ? preempt_schedule+0x4d/0x60 [ 1093.297505] ? ___preempt_schedule+0x16/0x18 [ 1093.301916] ? bpf_test_run+0x25d/0x780 [ 1093.305907] ? netlink_diag_dump+0x2a0/0x2a0 [ 1093.310318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1093.315851] ? bpf_test_init.isra.10+0x70/0x100 [ 1093.320524] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1093.325286] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1093.330125] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1093.335657] ? fput+0x130/0x1a0 [ 1093.338950] ? __bpf_prog_get+0x9b/0x290 [ 1093.343009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1093.347844] ? bpf_prog_test_run+0x130/0x1a0 [ 1093.352251] ? __x64_sys_bpf+0x3d8/0x520 [ 1093.356309] ? bpf_prog_get+0x20/0x20 [ 1093.360122] ? do_syscall_64+0x1b9/0x820 [ 1093.364180] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1093.369540] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1093.374476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.379316] ? trace_hardirqs_on_caller+0x310/0x310 [ 1093.384329] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1093.389346] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1093.394450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.399296] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1093.404680] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1093.404740] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1093.411687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1093.411693] Call Trace: [ 1093.411698] [ 1093.411715] dump_stack+0x244/0x39d [ 1093.411734] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1093.418276] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1093.427559] warn_alloc.cold.116+0xb7/0x1bd [ 1093.430108] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1093.432247] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1093.465704] ? lock_downgrade+0x900/0x900 [ 1093.469856] ? trace_hardirqs_off+0xb8/0x310 [ 1093.474267] ? trace_hardirqs_off+0xb8/0x310 [ 1093.478683] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1093.483550] ? warn_alloc+0x120/0x120 [ 1093.487349] ? warn_alloc+0x120/0x120 [ 1093.491147] ? __lock_acquire+0x62f/0x4c20 [ 1093.495380] ? warn_alloc+0x120/0x120 [ 1093.499180] ? print_usage_bug+0xc0/0xc0 [ 1093.503247] ? print_usage_bug+0xc0/0xc0 [ 1093.507311] ? mark_held_locks+0x130/0x130 [ 1093.511545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1093.517079] ? should_fail+0x22d/0xd01 [ 1093.520961] ? zap_class+0x640/0x640 [ 1093.524674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1093.529776] ? __lock_acquire+0x62f/0x4c20 [ 1093.534010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1093.539106] ? should_fail+0x22d/0xd01 [ 1093.542998] ? mark_held_locks+0x130/0x130 [ 1093.547233] ? mark_held_locks+0x130/0x130 [ 1093.551467] ? lock_downgrade+0x900/0x900 [ 1093.555611] ? zap_class+0x640/0x640 [ 1093.559320] ? zap_class+0x640/0x640 [ 1093.563033] ? zap_class+0x640/0x640 [ 1093.566739] ? do_raw_spin_unlock+0xa7/0x330 [ 1093.571142] ? trace_hardirqs_on+0x310/0x310 [ 1093.575542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.581078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.586612] ? check_preemption_disabled+0x48/0x280 [ 1093.591635] ? __lock_is_held+0xb5/0x140 [ 1093.595697] __alloc_pages_nodemask+0xa80/0xde0 [ 1093.600358] ? zap_class+0x640/0x640 [ 1093.604071] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1093.609092] ? find_held_lock+0x36/0x1c0 [ 1093.613161] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1093.617827] ? lock_downgrade+0x900/0x900 [ 1093.621988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.627526] cache_grow_begin+0xa5/0x8c0 [ 1093.631584] ? do_raw_spin_unlock+0xa7/0x330 [ 1093.636005] fallback_alloc+0x204/0x2e0 [ 1093.639989] ____cache_alloc_node+0x1c7/0x1e0 [ 1093.644483] kmem_cache_alloc_node+0xe3/0x730 [ 1093.648971] ? __kmalloc_node_track_caller+0x50/0x70 [ 1093.654070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1093.659615] __alloc_skb+0x119/0x770 [ 1093.663321] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1093.668684] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1093.673093] ? vprintk_default+0x28/0x30 [ 1093.677150] ? vprintk_func+0x85/0x181 [ 1093.681039] ? printk+0xa7/0xcf [ 1093.684313] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1093.689064] ? do_raw_spin_trylock+0x270/0x270 [ 1093.693644] new_skb+0x26/0x1c0 [ 1093.696923] aoecmd_cfg+0x279/0x7f0 [ 1093.700555] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1093.704879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.710431] ? __lock_is_held+0xb5/0x140 [ 1093.714498] discover_timer+0x50/0x60 [ 1093.718296] call_timer_fn+0x272/0x920 [ 1093.722179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1093.727018] ? process_timeout+0x40/0x40 [ 1093.731081] ? mark_held_locks+0xc7/0x130 [ 1093.735229] ? _raw_spin_unlock_irq+0x27/0x80 [ 1093.739720] ? _raw_spin_unlock_irq+0x27/0x80 [ 1093.744210] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1093.749048] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1093.753630] ? trace_hardirqs_on+0xbd/0x310 [ 1093.757946] ? kasan_check_read+0x11/0x20 [ 1093.762097] ? __run_timers+0x7da/0xc70 [ 1093.766068] ? trace_hardirqs_off_caller+0x310/0x310 [ 1093.771182] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1093.776019] __run_timers+0x7e5/0xc70 [ 1093.779823] ? timer_fixup_init+0x70/0x70 [ 1093.783970] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1093.788982] ? zap_class+0x640/0x640 [ 1093.792697] ? print_usage_bug+0xc0/0xc0 [ 1093.796760] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1093.801956] ? find_held_lock+0x36/0x1c0 [ 1093.806022] ? zap_class+0x640/0x640 [ 1093.809739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.815275] ? check_preemption_disabled+0x48/0x280 [ 1093.820294] ? __lock_is_held+0xb5/0x140 [ 1093.824351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.829891] ? check_preemption_disabled+0x48/0x280 [ 1093.834912] run_timer_softirq+0x52/0xb0 [ 1093.838970] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1093.843983] __do_softirq+0x308/0xb7e [ 1093.847784] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1093.852276] ? lock_downgrade+0x900/0x900 [ 1093.856422] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1093.861531] ? pvclock_read_flags+0x160/0x160 [ 1093.866022] ? lapic_next_event+0x5a/0x90 [ 1093.870172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.875711] ? kvm_clock_read+0x18/0x30 [ 1093.879679] ? kvm_sched_clock_read+0x9/0x20 [ 1093.884086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.889626] ? check_preemption_disabled+0x48/0x280 [ 1093.894645] irq_exit+0x17f/0x1c0 [ 1093.898095] smp_apic_timer_interrupt+0x1cb/0x760 [ 1093.902930] ? smp_reschedule_interrupt+0x109/0x650 [ 1093.907945] ? smp_call_function_single_interrupt+0x650/0x650 [ 1093.913823] ? interrupt_entry+0xb5/0xc0 [ 1093.917891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1093.922907] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1093.927923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.932760] ? trace_hardirqs_on_caller+0x310/0x310 [ 1093.937769] ? trace_hardirqs_on_caller+0x310/0x310 [ 1093.942780] ? task_prio+0x50/0x50 [ 1093.946316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1093.951853] ? check_preemption_disabled+0x48/0x280 [ 1093.956899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1093.961746] apic_timer_interrupt+0xf/0x20 [ 1093.965973] [ 1093.968205] RIP: 0010:console_unlock+0x102f/0x1190 [ 1093.973133] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1093.992026] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1093.999729] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1094.006990] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1094.014253] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1094.021515] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1094.028777] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1094.036059] ? netconsole_netdev_event+0x280/0x280 [ 1094.040991] ? console_unlock+0x1026/0x1190 [ 1094.045331] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1094.049993] ? vprintk_emit+0x846/0x990 [ 1094.053966] ? lock_release+0xa00/0xa00 [ 1094.057937] ? trace_hardirqs_on+0x70/0x310 [ 1094.062253] ? vprintk_default+0x28/0x30 [ 1094.066309] ? trace_hardirqs_off_caller+0x310/0x310 [ 1094.071407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1094.077399] vprintk_emit+0x391/0x990 [ 1094.081203] ? wake_up_klogd+0x180/0x180 [ 1094.085277] ? find_held_lock+0x11/0x1c0 [ 1094.089342] ? mark_held_locks+0xc7/0x130 [ 1094.093492] ? _raw_spin_unlock_irq+0x27/0x80 [ 1094.097980] ? _raw_spin_unlock_irq+0x27/0x80 [ 1094.102477] vprintk_default+0x28/0x30 [ 1094.106359] vprintk_func+0x7e/0x181 [ 1094.110067] printk+0xa7/0xcf [ 1094.113169] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1094.117926] ? _raw_spin_unlock_irq+0x60/0x80 [ 1094.122428] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1094.127713] dump_header+0x7cc/0xf72 [ 1094.131433] ? pagefault_out_of_memory+0x197/0x197 [ 1094.136367] ? __lock_acquire+0x62f/0x4c20 [ 1094.140601] ? print_usage_bug+0xc0/0xc0 [ 1094.144663] ? zap_class+0x640/0x640 [ 1094.148381] ? print_usage_bug+0xc0/0xc0 [ 1094.152437] ? print_usage_bug+0xc0/0xc0 [ 1094.156495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1094.162030] ? find_held_lock+0x36/0x1c0 [ 1094.166098] ? mark_held_locks+0xc7/0x130 [ 1094.170245] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1094.175346] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1094.180446] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1094.185045] ? trace_hardirqs_on+0xbd/0x310 [ 1094.189360] ? kasan_check_read+0x11/0x20 [ 1094.193500] ? ___ratelimit+0x3b4/0x672 [ 1094.197469] ? trace_hardirqs_off_caller+0x310/0x310 [ 1094.202568] ? trace_hardirqs_on+0x310/0x310 [ 1094.206973] ? lock_downgrade+0x900/0x900 [ 1094.211123] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1094.216224] ? ___ratelimit+0x3b9/0x672 [ 1094.220193] ? idr_get_free+0xf70/0xf70 [ 1094.224166] ? find_held_lock+0x36/0x1c0 [ 1094.228233] oom_kill_process.cold.27+0x10/0x903 [ 1094.232982] ? zap_class+0x640/0x640 [ 1094.236694] ? check_preemption_disabled+0x48/0x280 [ 1094.241711] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1094.246634] ? kasan_check_read+0x11/0x20 [ 1094.250778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1094.256052] ? oom_evaluate_task+0x540/0x540 [ 1094.260459] ? find_held_lock+0x36/0x1c0 [ 1094.264521] ? out_of_memory+0x974/0x1430 [ 1094.268666] ? lock_downgrade+0x900/0x900 [ 1094.272809] ? check_preemption_disabled+0x48/0x280 [ 1094.277826] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1094.282754] ? kasan_check_read+0x11/0x20 [ 1094.286894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1094.292167] ? rcu_softirq_qs+0x20/0x20 [ 1094.296141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1094.301672] ? oom_evaluate_task+0x302/0x540 [ 1094.306081] out_of_memory+0xa84/0x1430 [ 1094.310058] ? oom_killer_disable+0x3a0/0x3a0 [ 1094.314550] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1094.319477] ? __ww_mutex_check_waiters+0x160/0x160 [ 1094.325804] __alloc_pages_slowpath+0x2354/0x2e10 [ 1094.330668] ? warn_alloc+0x120/0x120 [ 1094.334464] ? mark_held_locks+0x130/0x130 [ 1094.338697] ? find_get_entry+0xaae/0x1120 [ 1094.342935] ? filemap_map_pages+0x1a20/0x1a20 [ 1094.347518] ? zap_class+0x640/0x640 [ 1094.351243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1094.356775] ? check_preemption_disabled+0x48/0x280 [ 1094.361788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1094.367321] ? should_fail+0x22d/0xd01 [ 1094.371212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1094.376313] ? zap_class+0x640/0x640 [ 1094.380048] ? __lock_is_held+0xb5/0x140 [ 1094.384116] ? mark_held_locks+0x130/0x130 [ 1094.388347] ? lock_release+0xa00/0xa00 [ 1094.392317] ? perf_trace_sched_process_exec+0x860/0x860 [ 1094.397764] ? xa_load+0x2ba/0x460 [ 1094.401299] ? lock_downgrade+0x900/0x900 [ 1094.405450] ? __might_sleep+0x95/0x190 [ 1094.409426] __alloc_pages_nodemask+0xa80/0xde0 [ 1094.414109] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1094.419118] ? __page_cache_alloc+0x191/0x5c0 [ 1094.423605] ? xa_load+0x2e1/0x460 [ 1094.427284] ? xa_clear_mark+0x40/0x40 [ 1094.431170] ? zap_class+0x640/0x640 [ 1094.434896] ? zap_class+0x640/0x640 [ 1094.438604] ? zap_class+0x640/0x640 [ 1094.442314] ? __do_page_cache_readahead+0x663/0x810 [ 1094.447418] ? find_held_lock+0x36/0x1c0 [ 1094.451481] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1094.457031] alloc_pages_current+0x173/0x350 [ 1094.461440] __page_cache_alloc+0x38c/0x5c0 [ 1094.465759] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1094.470685] ? kasan_check_read+0x11/0x20 [ 1094.474834] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1094.480109] ? generic_perform_write+0x6a0/0x6a0 [ 1094.484864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1094.490401] ? check_preemption_disabled+0x48/0x280 [ 1094.495418] filemap_fault+0x1595/0x25f0 [ 1094.499496] ? __lock_page_or_retry+0xa00/0xa00 [ 1094.504161] ? mark_held_locks+0x130/0x130 [ 1094.508405] ? filemap_map_pages+0xd6b/0x1a20 [ 1094.512897] ? lock_downgrade+0x900/0x900 [ 1094.517040] ? check_preemption_disabled+0x48/0x280 [ 1094.522054] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1094.526975] ? kasan_check_read+0x11/0x20 [ 1094.531117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1094.536391] ? rcu_softirq_qs+0x20/0x20 [ 1094.540375] ? filemap_map_pages+0xd92/0x1a20 [ 1094.544880] ? find_get_entries_tag+0x1400/0x1400 [ 1094.549722] ? find_held_lock+0x36/0x1c0 [ 1094.553799] ? lock_acquire+0x1ed/0x520 [ 1094.557775] ? ext4_filemap_fault+0x7a/0xad [ 1094.562108] ? lock_release+0xa00/0xa00 [ 1094.566165] ? perf_trace_sched_process_exec+0x860/0x860 [ 1094.571617] ? print_usage_bug+0xc0/0xc0 [ 1094.575691] ? down_read+0x8d/0x120 [ 1094.579310] ? ext4_filemap_fault+0x7a/0xad [ 1094.583627] ? __down_interruptible+0x700/0x700 [ 1094.588294] ? find_held_lock+0x36/0x1c0 [ 1094.592352] ext4_filemap_fault+0x82/0xad [ 1094.596494] __do_fault+0x100/0x6b0 [ 1094.600120] ? lock_downgrade+0x900/0x900 [ 1094.604262] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1094.609364] ? kasan_check_read+0x11/0x20 [ 1094.613506] ? do_raw_spin_unlock+0xa7/0x330 [ 1094.617908] ? do_raw_spin_trylock+0x270/0x270 [ 1094.622501] __handle_mm_fault+0x3ea0/0x5be0 [ 1094.626901] ? perf_trace_lock+0x7a0/0x7a0 [ 1094.631142] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1094.635993] ? ksys_dup3+0x680/0x680 [ 1094.639723] ? zap_class+0x640/0x640 [ 1094.643443] ? zap_class+0x640/0x640 [ 1094.647149] ? __x64_sys_futex+0x53e/0x6a0 [ 1094.651383] ? find_held_lock+0x36/0x1c0 [ 1094.655450] ? handle_mm_fault+0x42a/0xc70 [ 1094.659684] ? lock_downgrade+0x900/0x900 [ 1094.663834] ? check_preemption_disabled+0x48/0x280 [ 1094.668848] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1094.673772] ? kasan_check_read+0x11/0x20 [ 1094.677913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1094.683186] ? rcu_softirq_qs+0x20/0x20 [ 1094.687152] ? trace_hardirqs_off_caller+0x310/0x310 [ 1094.692254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1094.697788] ? check_preemption_disabled+0x48/0x280 [ 1094.702828] handle_mm_fault+0x54f/0xc70 [ 1094.706890] ? __handle_mm_fault+0x5be0/0x5be0 [ 1094.711473] ? find_vma+0x34/0x190 [ 1094.715016] __do_page_fault+0x5e8/0xe60 [ 1094.719074] ? trace_hardirqs_off+0xb8/0x310 [ 1094.723476] ? kernel_write+0x120/0x120 [ 1094.727453] do_page_fault+0xf2/0x7e0 [ 1094.731249] ? vmalloc_sync_all+0x30/0x30 [ 1094.735389] ? error_entry+0x70/0xd0 [ 1094.739100] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1094.744109] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1094.749034] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1094.753959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1094.758801] ? trace_hardirqs_on_caller+0x310/0x310 [ 1094.763826] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1094.769286] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1094.774297] ? page_fault+0x8/0x30 [ 1094.777844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1094.782688] ? page_fault+0x8/0x30 [ 1094.786238] page_fault+0x1e/0x30 [ 1094.789687] RIP: 0033:0x404068 [ 1094.792888] Code: Bad RIP value. [ 1094.796246] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1094.801602] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1094.808866] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1094.816127] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1094.823399] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1094.830659] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1094.837948] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1094.837952] warn_alloc_show_mem: 1 callbacks suppressed [ 1094.837958] Mem-Info: [ 1094.845223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1094.850583] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1094.850583] active_file:12 inactive_file:9 isolated_file:0 [ 1094.850583] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1094.850583] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1094.850583] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1094.850583] free:13627 free_pcp:121 free_cma:0 [ 1094.852957] Call Trace: [ 1094.862338] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1094.895264] [ 1094.897825] 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 [ 1094.925952] dump_stack+0x244/0x39d [ 1094.928072] lowmem_reserve[]: 0 2818 6321 6321 [ 1094.954173] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1094.957767] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1094.962353] warn_alloc.cold.116+0xb7/0x1bd [ 1094.967499] lowmem_reserve[]: 0 0 3503 3503 [ 1094.994825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1094.999116] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1095.003427] ? lock_downgrade+0x900/0x900 [ 1095.008240] lowmem_reserve[]: 0 0 0 0 [ 1095.036949] ? trace_hardirqs_off+0xb8/0x310 [ 1095.041061] 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 [ 1095.044857] ? trace_hardirqs_off+0xb8/0x310 [ 1095.049320] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1095.062840] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1095.067213] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1095.082846] ? warn_alloc+0x120/0x120 [ 1095.087641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1095.100725] ? print_usage_bug+0xc0/0xc0 [ 1095.104503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1095.113319] ? warn_alloc+0x120/0x120 [ 1095.117352] 4359 total pagecache pages [ 1095.125914] ? warn_alloc+0x120/0x120 [ 1095.129692] 0 pages in swap cache [ 1095.133558] ? print_usage_bug+0xc0/0xc0 [ 1095.137332] Swap cache stats: add 0, delete 0, find 0/0 [ 1095.140766] ? kvm_clock_read+0x18/0x30 [ 1095.144804] Free swap = 0kB [ 1095.150158] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1095.154101] Total swap = 0kB [ 1095.157109] ? print_usage_bug+0xc0/0xc0 [ 1095.162093] 1965979 pages RAM [ 1095.165100] ? __lock_acquire+0x62f/0x4c20 [ 1095.169125] 0 pages HighMem/MovableOnly [ 1095.169132] 342854 pages reserved [ 1095.172228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1095.176428] 0 pages cma reserved [ 1095.180389] ? should_fail+0x22d/0xd01 [ 1095.183863] aoe: skb alloc failure [ 1095.189333] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1095.189351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1095.189367] ? __lock_acquire+0x62f/0x4c20 [ 1095.192733] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1095.196582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1095.200090] syz-fuzzer cpuset=/ mems_allowed=0 [ 1095.205351] ? __lock_acquire+0x62f/0x4c20 [ 1095.238719] ? should_fail+0x22d/0xd01 [ 1095.242602] ? rcu_irq_exit+0x1a2/0x390 [ 1095.246582] ? mark_held_locks+0x130/0x130 [ 1095.250924] ? mark_held_locks+0x130/0x130 [ 1095.255158] ? mark_held_locks+0xc7/0x130 [ 1095.259304] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1095.264313] ? zap_class+0x640/0x640 [ 1095.268110] ? print_usage_bug+0xc0/0xc0 [ 1095.272170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.277704] ? check_preemption_disabled+0x48/0x280 [ 1095.282725] ? __lock_is_held+0xb5/0x140 [ 1095.286795] __alloc_pages_nodemask+0xa80/0xde0 [ 1095.291458] ? zap_class+0x640/0x640 [ 1095.295178] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1095.300203] ? find_held_lock+0x36/0x1c0 [ 1095.304275] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1095.308945] ? lock_downgrade+0x900/0x900 [ 1095.313093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.318636] cache_grow_begin+0xa5/0x8c0 [ 1095.322693] ? do_raw_spin_unlock+0xa7/0x330 [ 1095.327108] fallback_alloc+0x204/0x2e0 [ 1095.331088] ____cache_alloc_node+0x1c7/0x1e0 [ 1095.335587] kmem_cache_alloc_node+0xe3/0x730 [ 1095.340077] ? ipv6_get_ifaddr+0x42e/0x620 [ 1095.344317] __alloc_skb+0x119/0x770 [ 1095.348023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1095.353299] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1095.357701] ? lock_downgrade+0x900/0x900 [ 1095.361971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.367519] ? refcount_sub_and_test_checked+0x203/0x310 [ 1095.372969] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1095.378418] ? addrconf_rs_timer+0x690/0x690 [ 1095.382835] ndisc_alloc_skb+0x144/0x340 [ 1095.386899] ndisc_send_rs+0x331/0x6e0 [ 1095.390792] addrconf_rs_timer+0x314/0x690 [ 1095.395027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1095.399269] call_timer_fn+0x272/0x920 [ 1095.403150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1095.407382] ? process_timeout+0x40/0x40 [ 1095.411449] ? __run_timers+0x7da/0xc70 [ 1095.415430] ? _raw_spin_unlock_irq+0x27/0x80 [ 1095.419920] ? _raw_spin_unlock_irq+0x27/0x80 [ 1095.424410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1095.428644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1095.433227] ? trace_hardirqs_on+0xbd/0x310 [ 1095.437542] ? kasan_check_read+0x11/0x20 [ 1095.441685] ? __run_timers+0x7da/0xc70 [ 1095.445656] ? trace_hardirqs_off_caller+0x310/0x310 [ 1095.450765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1095.454999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1095.459227] __run_timers+0x7e5/0xc70 [ 1095.463033] ? timer_fixup_init+0x70/0x70 [ 1095.467176] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1095.472202] ? zap_class+0x640/0x640 [ 1095.475914] ? enqueue_hrtimer+0x1a5/0x560 [ 1095.480144] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1095.485338] ? find_held_lock+0x36/0x1c0 [ 1095.489398] ? zap_class+0x640/0x640 [ 1095.493113] ? pvclock_read_flags+0x160/0x160 [ 1095.497606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.503168] ? check_preemption_disabled+0x48/0x280 [ 1095.508186] ? __lock_is_held+0xb5/0x140 [ 1095.512245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.517780] ? check_preemption_disabled+0x48/0x280 [ 1095.522795] run_timer_softirq+0x52/0xb0 [ 1095.526851] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1095.531862] __do_softirq+0x308/0xb7e [ 1095.535662] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1095.540154] ? lock_downgrade+0x900/0x900 [ 1095.544305] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1095.549408] ? pvclock_read_flags+0x160/0x160 [ 1095.553904] ? lapic_next_event+0x5a/0x90 [ 1095.558053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.563592] ? kvm_clock_read+0x18/0x30 [ 1095.567563] ? kvm_sched_clock_read+0x9/0x20 [ 1095.571969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.577501] ? check_preemption_disabled+0x48/0x280 [ 1095.582525] irq_exit+0x17f/0x1c0 [ 1095.585975] smp_apic_timer_interrupt+0x1cb/0x760 [ 1095.590813] ? smp_reschedule_interrupt+0x109/0x650 [ 1095.595825] ? smp_call_function_single_interrupt+0x650/0x650 [ 1095.601707] ? interrupt_entry+0xb5/0xc0 [ 1095.605768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1095.610782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1095.615891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1095.620729] ? trace_hardirqs_on_caller+0x310/0x310 [ 1095.625765] ? trace_hardirqs_on_caller+0x310/0x310 [ 1095.630781] ? task_prio+0x50/0x50 [ 1095.634317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.639849] ? check_preemption_disabled+0x48/0x280 [ 1095.644870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1095.649717] apic_timer_interrupt+0xf/0x20 [ 1095.653945] [ 1095.656179] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1095.661107] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1095.680003] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1095.687703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1095.694969] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1095.702234] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1095.709496] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1095.716763] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1095.724066] skb_clone+0x1bb/0x500 [ 1095.727613] ? finish_task_switch+0x2f4/0x910 [ 1095.732108] ? skb_split+0x11e0/0x11e0 [ 1095.735995] ? preempt_notifier_register+0x200/0x200 [ 1095.741089] ? __switch_to_asm+0x34/0x70 [ 1095.745152] ? __switch_to_asm+0x34/0x70 [ 1095.749204] ? __switch_to_asm+0x40/0x70 [ 1095.753259] ? __switch_to_asm+0x34/0x70 [ 1095.757313] ? __switch_to_asm+0x40/0x70 [ 1095.761366] ? __switch_to_asm+0x34/0x70 [ 1095.765418] ? __switch_to_asm+0x40/0x70 [ 1095.769472] ? __switch_to_asm+0x34/0x70 [ 1095.773526] ? __switch_to_asm+0x34/0x70 [ 1095.777578] ? __switch_to_asm+0x40/0x70 [ 1095.781634] ? __switch_to_asm+0x34/0x70 [ 1095.785694] bpf_clone_redirect+0xb9/0x490 [ 1095.789942] ? __schedule+0x8d7/0x21d0 [ 1095.793831] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1095.798845] ? __sched_text_start+0x8/0x8 [ 1095.803001] ? find_held_lock+0x36/0x1c0 [ 1095.807066] ? lock_acquire+0x1ed/0x520 [ 1095.811038] ? bpf_test_run+0x3cb/0x780 [ 1095.815013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1095.820549] ? check_preemption_disabled+0x48/0x280 [ 1095.825581] ? kasan_check_read+0x11/0x20 [ 1095.829753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1095.835025] ? rcu_softirq_qs+0x20/0x20 [ 1095.838996] ? preempt_schedule+0x4d/0x60 [ 1095.843140] ? ___preempt_schedule+0x16/0x18 [ 1095.847554] ? bpf_test_run+0x25d/0x780 [ 1095.851536] ? netlink_diag_dump+0x2a0/0x2a0 [ 1095.855948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1095.861485] ? bpf_test_init.isra.10+0x70/0x100 [ 1095.866159] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1095.870918] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1095.875755] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1095.881286] ? fput+0x130/0x1a0 [ 1095.884572] ? __bpf_prog_get+0x9b/0x290 [ 1095.888636] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1095.893470] ? bpf_prog_test_run+0x130/0x1a0 [ 1095.897882] ? __x64_sys_bpf+0x3d8/0x520 [ 1095.901936] ? bpf_prog_get+0x20/0x20 [ 1095.905924] ? do_syscall_64+0x1b9/0x820 [ 1095.909981] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1095.915340] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1095.920266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1095.925112] ? trace_hardirqs_on_caller+0x310/0x310 [ 1095.930123] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1095.935140] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1095.940156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1095.945005] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1095.950382] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1095.950443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1095.957393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1095.957398] Call Trace: [ 1095.957403] [ 1095.957420] dump_stack+0x244/0x39d [ 1095.957439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1095.963953] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1095.973267] warn_alloc.cold.116+0xb7/0x1bd [ 1095.975817] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1095.977953] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1096.011421] ? lock_downgrade+0x900/0x900 [ 1096.015570] ? trace_hardirqs_off+0xb8/0x310 [ 1096.019980] ? trace_hardirqs_off+0xb8/0x310 [ 1096.024397] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1096.029264] ? warn_alloc+0x120/0x120 [ 1096.033069] ? warn_alloc+0x120/0x120 [ 1096.036869] ? __lock_acquire+0x62f/0x4c20 [ 1096.041104] ? warn_alloc+0x120/0x120 [ 1096.044900] ? print_usage_bug+0xc0/0xc0 [ 1096.048956] ? print_usage_bug+0xc0/0xc0 [ 1096.053016] ? mark_held_locks+0x130/0x130 [ 1096.057250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1096.062784] ? should_fail+0x22d/0xd01 [ 1096.066664] ? zap_class+0x640/0x640 [ 1096.070377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1096.075788] ? __lock_acquire+0x62f/0x4c20 [ 1096.080025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1096.085122] ? should_fail+0x22d/0xd01 [ 1096.089016] ? mark_held_locks+0x130/0x130 [ 1096.093249] ? mark_held_locks+0x130/0x130 [ 1096.097479] ? lock_downgrade+0x900/0x900 [ 1096.101621] ? zap_class+0x640/0x640 [ 1096.105328] ? zap_class+0x640/0x640 [ 1096.109047] ? zap_class+0x640/0x640 [ 1096.112849] ? do_raw_spin_unlock+0xa7/0x330 [ 1096.117254] ? trace_hardirqs_on+0x310/0x310 [ 1096.121657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.127191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.132734] ? check_preemption_disabled+0x48/0x280 [ 1096.137758] ? __lock_is_held+0xb5/0x140 [ 1096.141823] __alloc_pages_nodemask+0xa80/0xde0 [ 1096.146486] ? zap_class+0x640/0x640 [ 1096.150224] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1096.155251] ? find_held_lock+0x36/0x1c0 [ 1096.159321] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1096.163989] ? lock_downgrade+0x900/0x900 [ 1096.168142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.173681] cache_grow_begin+0xa5/0x8c0 [ 1096.177744] ? do_raw_spin_unlock+0xa7/0x330 [ 1096.182156] fallback_alloc+0x204/0x2e0 [ 1096.186130] ____cache_alloc_node+0x1c7/0x1e0 [ 1096.190629] kmem_cache_alloc_node+0xe3/0x730 [ 1096.195119] ? __kmalloc_node_track_caller+0x50/0x70 [ 1096.200225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1096.205767] __alloc_skb+0x119/0x770 [ 1096.209473] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1096.214838] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1096.219249] ? vprintk_default+0x28/0x30 [ 1096.223303] ? vprintk_func+0x85/0x181 [ 1096.227185] ? printk+0xa7/0xcf [ 1096.230460] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1096.235213] ? do_raw_spin_trylock+0x270/0x270 [ 1096.239797] new_skb+0x26/0x1c0 [ 1096.243082] aoecmd_cfg+0x279/0x7f0 [ 1096.246716] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1096.251041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.256585] ? __lock_is_held+0xb5/0x140 [ 1096.260656] discover_timer+0x50/0x60 [ 1096.264450] call_timer_fn+0x272/0x920 [ 1096.268334] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1096.273170] ? process_timeout+0x40/0x40 [ 1096.277238] ? mark_held_locks+0xc7/0x130 [ 1096.281381] ? _raw_spin_unlock_irq+0x27/0x80 [ 1096.285873] ? _raw_spin_unlock_irq+0x27/0x80 [ 1096.290362] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1096.295201] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1096.299782] ? trace_hardirqs_on+0xbd/0x310 [ 1096.304103] ? kasan_check_read+0x11/0x20 [ 1096.308246] ? __run_timers+0x7da/0xc70 [ 1096.312215] ? trace_hardirqs_off_caller+0x310/0x310 [ 1096.317342] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1096.322176] __run_timers+0x7e5/0xc70 [ 1096.325979] ? timer_fixup_init+0x70/0x70 [ 1096.330123] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1096.335132] ? zap_class+0x640/0x640 [ 1096.338848] ? print_usage_bug+0xc0/0xc0 [ 1096.342906] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1096.348099] ? find_held_lock+0x36/0x1c0 [ 1096.352162] ? zap_class+0x640/0x640 [ 1096.355884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.361419] ? check_preemption_disabled+0x48/0x280 [ 1096.366437] ? __lock_is_held+0xb5/0x140 [ 1096.370495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.376030] ? check_preemption_disabled+0x48/0x280 [ 1096.381054] run_timer_softirq+0x52/0xb0 [ 1096.385109] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1096.390122] __do_softirq+0x308/0xb7e [ 1096.393920] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1096.398408] ? lock_downgrade+0x900/0x900 [ 1096.402561] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1096.407757] ? pvclock_read_flags+0x160/0x160 [ 1096.412253] ? lapic_next_event+0x5a/0x90 [ 1096.416401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.421938] ? kvm_clock_read+0x18/0x30 [ 1096.425905] ? kvm_sched_clock_read+0x9/0x20 [ 1096.430310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.435842] ? check_preemption_disabled+0x48/0x280 [ 1096.440863] irq_exit+0x17f/0x1c0 [ 1096.444316] smp_apic_timer_interrupt+0x1cb/0x760 [ 1096.449154] ? smp_reschedule_interrupt+0x109/0x650 [ 1096.454167] ? smp_call_function_single_interrupt+0x650/0x650 [ 1096.460049] ? interrupt_entry+0xb5/0xc0 [ 1096.464111] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1096.469122] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1096.474134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1096.478972] ? trace_hardirqs_on_caller+0x310/0x310 [ 1096.483984] ? trace_hardirqs_on_caller+0x310/0x310 [ 1096.488994] ? task_prio+0x50/0x50 [ 1096.492529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.498068] ? check_preemption_disabled+0x48/0x280 [ 1096.503083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1096.507929] apic_timer_interrupt+0xf/0x20 [ 1096.512152] [ 1096.514385] RIP: 0010:console_unlock+0x102f/0x1190 [ 1096.519309] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1096.538205] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1096.545919] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1096.553195] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1096.560456] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1096.567720] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1096.574985] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1096.582269] ? netconsole_netdev_event+0x280/0x280 [ 1096.587200] ? console_unlock+0x1026/0x1190 [ 1096.591541] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1096.596204] ? vprintk_emit+0x846/0x990 [ 1096.600177] ? lock_release+0xa00/0xa00 [ 1096.604151] ? trace_hardirqs_on+0x70/0x310 [ 1096.608466] ? vprintk_default+0x28/0x30 [ 1096.612525] ? trace_hardirqs_off_caller+0x310/0x310 [ 1096.617627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.623164] vprintk_emit+0x391/0x990 [ 1096.626966] ? wake_up_klogd+0x180/0x180 [ 1096.631034] ? find_held_lock+0x11/0x1c0 [ 1096.635100] ? mark_held_locks+0xc7/0x130 [ 1096.639256] ? _raw_spin_unlock_irq+0x27/0x80 [ 1096.643750] ? _raw_spin_unlock_irq+0x27/0x80 [ 1096.648249] vprintk_default+0x28/0x30 [ 1096.652136] vprintk_func+0x7e/0x181 [ 1096.655844] printk+0xa7/0xcf [ 1096.658946] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1096.663718] ? _raw_spin_unlock_irq+0x60/0x80 [ 1096.668226] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1096.673591] dump_header+0x7cc/0xf72 [ 1096.677310] ? pagefault_out_of_memory+0x197/0x197 [ 1096.682243] ? __lock_acquire+0x62f/0x4c20 [ 1096.686476] ? print_usage_bug+0xc0/0xc0 [ 1096.690559] ? zap_class+0x640/0x640 [ 1096.694275] ? print_usage_bug+0xc0/0xc0 [ 1096.698331] ? print_usage_bug+0xc0/0xc0 [ 1096.702390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.707926] ? find_held_lock+0x36/0x1c0 [ 1096.711993] ? mark_held_locks+0xc7/0x130 [ 1096.716138] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1096.721233] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1096.726333] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1096.730911] ? trace_hardirqs_on+0xbd/0x310 [ 1096.735226] ? kasan_check_read+0x11/0x20 [ 1096.739369] ? ___ratelimit+0x3b4/0x672 [ 1096.744208] ? trace_hardirqs_off_caller+0x310/0x310 [ 1096.749310] ? trace_hardirqs_on+0x310/0x310 [ 1096.753716] ? lock_downgrade+0x900/0x900 [ 1096.757867] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1096.762964] ? ___ratelimit+0x3b9/0x672 [ 1096.766938] ? idr_get_free+0xf70/0xf70 [ 1096.770905] ? find_held_lock+0x36/0x1c0 [ 1096.774973] oom_kill_process.cold.27+0x10/0x903 [ 1096.779728] ? zap_class+0x640/0x640 [ 1096.783435] ? check_preemption_disabled+0x48/0x280 [ 1096.788450] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1096.793374] ? kasan_check_read+0x11/0x20 [ 1096.797514] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1096.802790] ? oom_evaluate_task+0x540/0x540 [ 1096.807198] ? find_held_lock+0x36/0x1c0 [ 1096.811260] ? out_of_memory+0x974/0x1430 [ 1096.815403] ? lock_downgrade+0x900/0x900 [ 1096.819545] ? check_preemption_disabled+0x48/0x280 [ 1096.824561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1096.829483] ? kasan_check_read+0x11/0x20 [ 1096.833628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1096.838911] ? rcu_softirq_qs+0x20/0x20 [ 1096.842882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1096.848410] ? oom_evaluate_task+0x302/0x540 [ 1096.852819] out_of_memory+0xa84/0x1430 [ 1096.856799] ? oom_killer_disable+0x3a0/0x3a0 [ 1096.861288] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1096.866219] ? __ww_mutex_check_waiters+0x160/0x160 [ 1096.871240] __alloc_pages_slowpath+0x2354/0x2e10 [ 1096.876103] ? warn_alloc+0x120/0x120 [ 1096.879899] ? mark_held_locks+0x130/0x130 [ 1096.884135] ? find_get_entry+0xaae/0x1120 [ 1096.888381] ? filemap_map_pages+0x1a20/0x1a20 [ 1096.893223] ? zap_class+0x640/0x640 [ 1096.896936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1096.902469] ? check_preemption_disabled+0x48/0x280 [ 1096.907950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1096.913489] ? should_fail+0x22d/0xd01 [ 1096.917378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1096.922485] ? zap_class+0x640/0x640 [ 1096.926217] ? __lock_is_held+0xb5/0x140 [ 1096.930286] ? mark_held_locks+0x130/0x130 [ 1096.934521] ? lock_release+0xa00/0xa00 [ 1096.938491] ? perf_trace_sched_process_exec+0x860/0x860 [ 1096.943938] ? xa_load+0x2ba/0x460 [ 1096.947475] ? lock_downgrade+0x900/0x900 [ 1096.951625] ? __might_sleep+0x95/0x190 [ 1096.955609] __alloc_pages_nodemask+0xa80/0xde0 [ 1096.960286] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1096.965298] ? __page_cache_alloc+0x191/0x5c0 [ 1096.969788] ? xa_load+0x2e1/0x460 [ 1096.973323] ? xa_clear_mark+0x40/0x40 [ 1096.977211] ? zap_class+0x640/0x640 [ 1096.980931] ? zap_class+0x640/0x640 [ 1096.984645] ? zap_class+0x640/0x640 [ 1096.988355] ? __do_page_cache_readahead+0x663/0x810 [ 1096.993463] ? find_held_lock+0x36/0x1c0 [ 1096.997527] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1097.003065] alloc_pages_current+0x173/0x350 [ 1097.007478] __page_cache_alloc+0x38c/0x5c0 [ 1097.011793] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1097.016718] ? kasan_check_read+0x11/0x20 [ 1097.020862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1097.026137] ? generic_perform_write+0x6a0/0x6a0 [ 1097.030887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1097.036428] ? check_preemption_disabled+0x48/0x280 [ 1097.041446] filemap_fault+0x1595/0x25f0 [ 1097.045512] ? __lock_page_or_retry+0xa00/0xa00 [ 1097.050177] ? mark_held_locks+0x130/0x130 [ 1097.054415] ? filemap_map_pages+0xd6b/0x1a20 [ 1097.058905] ? lock_downgrade+0x900/0x900 [ 1097.063045] ? check_preemption_disabled+0x48/0x280 [ 1097.068058] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1097.072981] ? kasan_check_read+0x11/0x20 [ 1097.077131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1097.082402] ? rcu_softirq_qs+0x20/0x20 [ 1097.086385] ? filemap_map_pages+0xd92/0x1a20 [ 1097.090888] ? find_get_entries_tag+0x1400/0x1400 [ 1097.095722] ? find_held_lock+0x36/0x1c0 [ 1097.099800] ? lock_acquire+0x1ed/0x520 [ 1097.103774] ? ext4_filemap_fault+0x7a/0xad [ 1097.108095] ? lock_release+0xa00/0xa00 [ 1097.112149] ? perf_trace_sched_process_exec+0x860/0x860 [ 1097.117596] ? print_usage_bug+0xc0/0xc0 [ 1097.121676] ? down_read+0x8d/0x120 [ 1097.125299] ? ext4_filemap_fault+0x7a/0xad [ 1097.129617] ? __down_interruptible+0x700/0x700 [ 1097.134288] ? find_held_lock+0x36/0x1c0 [ 1097.138351] ext4_filemap_fault+0x82/0xad [ 1097.142495] __do_fault+0x100/0x6b0 [ 1097.146121] ? lock_downgrade+0x900/0x900 [ 1097.150267] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1097.155373] ? kasan_check_read+0x11/0x20 [ 1097.159514] ? do_raw_spin_unlock+0xa7/0x330 [ 1097.163921] ? do_raw_spin_trylock+0x270/0x270 [ 1097.168514] __handle_mm_fault+0x3ea0/0x5be0 [ 1097.172918] ? perf_trace_lock+0x7a0/0x7a0 [ 1097.177153] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1097.182007] ? ksys_dup3+0x680/0x680 [ 1097.185727] ? zap_class+0x640/0x640 [ 1097.189439] ? zap_class+0x640/0x640 [ 1097.193148] ? __x64_sys_futex+0x53e/0x6a0 [ 1097.197382] ? find_held_lock+0x36/0x1c0 [ 1097.201450] ? handle_mm_fault+0x42a/0xc70 [ 1097.205683] ? lock_downgrade+0x900/0x900 [ 1097.209828] ? check_preemption_disabled+0x48/0x280 [ 1097.214845] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1097.219772] ? kasan_check_read+0x11/0x20 [ 1097.223913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1097.229185] ? rcu_softirq_qs+0x20/0x20 [ 1097.233153] ? trace_hardirqs_off_caller+0x310/0x310 [ 1097.238256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1097.243789] ? check_preemption_disabled+0x48/0x280 [ 1097.248812] handle_mm_fault+0x54f/0xc70 [ 1097.252875] ? __handle_mm_fault+0x5be0/0x5be0 [ 1097.257457] ? find_vma+0x34/0x190 [ 1097.261005] __do_page_fault+0x5e8/0xe60 [ 1097.265063] ? trace_hardirqs_off+0xb8/0x310 [ 1097.269468] ? kernel_write+0x120/0x120 [ 1097.273446] do_page_fault+0xf2/0x7e0 [ 1097.277424] ? vmalloc_sync_all+0x30/0x30 [ 1097.281567] ? error_entry+0x70/0xd0 [ 1097.285279] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1097.290290] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1097.295217] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1097.300141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1097.304989] ? trace_hardirqs_on_caller+0x310/0x310 [ 1097.310004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1097.315452] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1097.320466] ? page_fault+0x8/0x30 [ 1097.324008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1097.328849] ? page_fault+0x8/0x30 [ 1097.332384] page_fault+0x1e/0x30 [ 1097.335833] RIP: 0033:0x404068 [ 1097.339118] Code: Bad RIP value. [ 1097.342477] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1097.347833] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1097.355094] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1097.362356] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1097.369622] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1097.376890] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1097.384182] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1097.384187] warn_alloc_show_mem: 1 callbacks suppressed [ 1097.384193] Mem-Info: [ 1097.391459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1097.396820] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1097.396820] active_file:12 inactive_file:9 isolated_file:0 [ 1097.396820] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1097.396820] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1097.396820] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1097.396820] free:13627 free_pcp:121 free_cma:0 [ 1097.399187] Call Trace: [ 1097.408557] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1097.441586] [ 1097.444158] 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 [ 1097.471824] dump_stack+0x244/0x39d [ 1097.473936] lowmem_reserve[]: 0 2818 6321 6321 [ 1097.500040] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1097.503639] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1097.508219] warn_alloc.cold.116+0xb7/0x1bd [ 1097.513376] lowmem_reserve[]: 0 0 3503 3503 [ 1097.540695] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1097.544986] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1097.549302] ? lock_downgrade+0x900/0x900 [ 1097.554105] lowmem_reserve[]: 0 0 0 0 [ 1097.582817] ? trace_hardirqs_off+0xb8/0x310 [ 1097.586939] 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 [ 1097.590908] ? trace_hardirqs_off+0xb8/0x310 [ 1097.595284] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1097.608803] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1097.613178] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1097.629231] ? warn_alloc+0x120/0x120 [ 1097.634031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1097.647118] ? print_usage_bug+0xc0/0xc0 [ 1097.650895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1097.659720] ? warn_alloc+0x120/0x120 [ 1097.663755] 4359 total pagecache pages [ 1097.672316] ? warn_alloc+0x120/0x120 [ 1097.676098] 0 pages in swap cache [ 1097.679964] ? print_usage_bug+0xc0/0xc0 [ 1097.683914] Swap cache stats: add 0, delete 0, find 0/0 [ 1097.687353] ? print_usage_bug+0xc0/0xc0 [ 1097.691381] Free swap = 0kB [ 1097.696732] ? __lock_acquire+0x62f/0x4c20 [ 1097.700772] Total swap = 0kB [ 1097.703782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1097.707991] 1965979 pages RAM [ 1097.710995] ? should_fail+0x22d/0xd01 [ 1097.716502] 0 pages HighMem/MovableOnly [ 1097.719602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1097.723457] 342854 pages reserved [ 1097.727505] ? __lock_acquire+0x62f/0x4c20 [ 1097.732578] 0 pages cma reserved [ 1097.732639] aoe: skb alloc failure [ 1097.736029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1097.736042] ? __lock_acquire+0x62f/0x4c20 [ 1097.736056] ? should_fail+0x22d/0xd01 [ 1097.740292] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1097.743621] ? find_held_lock+0x36/0x1c0 [ 1097.747131] syz-fuzzer cpuset=/ mems_allowed=0 [ 1097.752224] ? mark_held_locks+0x130/0x130 [ 1097.784199] ? mark_held_locks+0x130/0x130 [ 1097.788427] ? zap_class+0x640/0x640 [ 1097.792143] ? zap_class+0x640/0x640 [ 1097.795853] ? print_usage_bug+0xc0/0xc0 [ 1097.799907] ? do_raw_spin_unlock+0xa7/0x330 [ 1097.804310] ? zap_class+0x640/0x640 [ 1097.808025] ? print_usage_bug+0xc0/0xc0 [ 1097.812086] ? wq_watchdog_touch+0x9c/0xfe [ 1097.816321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1097.821856] ? check_preemption_disabled+0x48/0x280 [ 1097.826878] ? __lock_is_held+0xb5/0x140 [ 1097.830939] __alloc_pages_nodemask+0xa80/0xde0 [ 1097.835606] ? zap_class+0x640/0x640 [ 1097.839324] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1097.844349] ? find_held_lock+0x36/0x1c0 [ 1097.848415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1097.853083] ? lock_downgrade+0x900/0x900 [ 1097.857234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1097.862773] cache_grow_begin+0xa5/0x8c0 [ 1097.866828] ? do_raw_spin_unlock+0xa7/0x330 [ 1097.871331] fallback_alloc+0x204/0x2e0 [ 1097.875312] ____cache_alloc_node+0x1c7/0x1e0 [ 1097.879809] kmem_cache_alloc_node+0xe3/0x730 [ 1097.884300] ? ipv6_get_ifaddr+0x42e/0x620 [ 1097.888541] __alloc_skb+0x119/0x770 [ 1097.892257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1097.897533] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1097.901943] ? lock_downgrade+0x900/0x900 [ 1097.906093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1097.911641] ? refcount_sub_and_test_checked+0x203/0x310 [ 1097.917092] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1097.922538] ? addrconf_rs_timer+0x690/0x690 [ 1097.926959] ndisc_alloc_skb+0x144/0x340 [ 1097.931024] ndisc_send_rs+0x331/0x6e0 [ 1097.934914] addrconf_rs_timer+0x314/0x690 [ 1097.939157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1097.943396] call_timer_fn+0x272/0x920 [ 1097.947285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1097.951523] ? process_timeout+0x40/0x40 [ 1097.955595] ? __run_timers+0x7da/0xc70 [ 1097.959573] ? _raw_spin_unlock_irq+0x27/0x80 [ 1097.964063] ? _raw_spin_unlock_irq+0x27/0x80 [ 1097.968557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1097.972787] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1097.977370] ? trace_hardirqs_on+0xbd/0x310 [ 1097.981684] ? kasan_check_read+0x11/0x20 [ 1097.985826] ? __run_timers+0x7da/0xc70 [ 1097.989797] ? trace_hardirqs_off_caller+0x310/0x310 [ 1097.994898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1097.999135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1098.003362] __run_timers+0x7e5/0xc70 [ 1098.007170] ? timer_fixup_init+0x70/0x70 [ 1098.011313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1098.016327] ? zap_class+0x640/0x640 [ 1098.020056] ? enqueue_hrtimer+0x1a5/0x560 [ 1098.024289] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1098.029479] ? find_held_lock+0x36/0x1c0 [ 1098.033540] ? zap_class+0x640/0x640 [ 1098.037260] ? pvclock_read_flags+0x160/0x160 [ 1098.041751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.047294] ? check_preemption_disabled+0x48/0x280 [ 1098.052314] ? __lock_is_held+0xb5/0x140 [ 1098.056372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.061907] ? check_preemption_disabled+0x48/0x280 [ 1098.066921] run_timer_softirq+0x52/0xb0 [ 1098.070976] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1098.076504] __do_softirq+0x308/0xb7e [ 1098.080308] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1098.084806] ? lock_downgrade+0x900/0x900 [ 1098.088958] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1098.094063] ? pvclock_read_flags+0x160/0x160 [ 1098.098564] ? lapic_next_event+0x5a/0x90 [ 1098.102710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.108248] ? kvm_clock_read+0x18/0x30 [ 1098.112216] ? kvm_sched_clock_read+0x9/0x20 [ 1098.116625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.122175] ? check_preemption_disabled+0x48/0x280 [ 1098.127198] irq_exit+0x17f/0x1c0 [ 1098.130646] smp_apic_timer_interrupt+0x1cb/0x760 [ 1098.135484] ? smp_reschedule_interrupt+0x109/0x650 [ 1098.140497] ? smp_call_function_single_interrupt+0x650/0x650 [ 1098.146394] ? interrupt_entry+0xb5/0xc0 [ 1098.150465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1098.155479] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1098.160492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.165681] ? trace_hardirqs_on_caller+0x310/0x310 [ 1098.170691] ? trace_hardirqs_on_caller+0x310/0x310 [ 1098.175702] ? task_prio+0x50/0x50 [ 1098.179241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.184777] ? check_preemption_disabled+0x48/0x280 [ 1098.189794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.194638] apic_timer_interrupt+0xf/0x20 [ 1098.198866] [ 1098.201098] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1098.206028] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1098.224925] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1098.232626] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1098.239888] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1098.247148] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1098.254416] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1098.261765] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1098.269074] skb_clone+0x1bb/0x500 [ 1098.272609] ? finish_task_switch+0x2f4/0x910 [ 1098.277102] ? skb_split+0x11e0/0x11e0 [ 1098.282635] ? preempt_notifier_register+0x200/0x200 [ 1098.287751] ? __switch_to_asm+0x34/0x70 [ 1098.291805] ? __switch_to_asm+0x34/0x70 [ 1098.295858] ? __switch_to_asm+0x40/0x70 [ 1098.299916] ? __switch_to_asm+0x34/0x70 [ 1098.303971] ? __switch_to_asm+0x40/0x70 [ 1098.308032] ? __switch_to_asm+0x34/0x70 [ 1098.312085] ? __switch_to_asm+0x40/0x70 [ 1098.316143] ? __switch_to_asm+0x34/0x70 [ 1098.320203] ? __switch_to_asm+0x34/0x70 [ 1098.324260] ? __switch_to_asm+0x40/0x70 [ 1098.328314] ? __switch_to_asm+0x34/0x70 [ 1098.332375] bpf_clone_redirect+0xb9/0x490 [ 1098.336608] ? __schedule+0x8d7/0x21d0 [ 1098.340499] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1098.345519] ? __sched_text_start+0x8/0x8 [ 1098.349687] ? find_held_lock+0x36/0x1c0 [ 1098.353755] ? lock_acquire+0x1ed/0x520 [ 1098.357725] ? bpf_test_run+0x3cb/0x780 [ 1098.361697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.367234] ? check_preemption_disabled+0x48/0x280 [ 1098.372253] ? kasan_check_read+0x11/0x20 [ 1098.376399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1098.381672] ? rcu_softirq_qs+0x20/0x20 [ 1098.385642] ? preempt_schedule+0x4d/0x60 [ 1098.389786] ? ___preempt_schedule+0x16/0x18 [ 1098.394202] ? bpf_test_run+0x25d/0x780 [ 1098.398182] ? netlink_diag_dump+0x2a0/0x2a0 [ 1098.402589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1098.408120] ? bpf_test_init.isra.10+0x70/0x100 [ 1098.412792] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1098.417558] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1098.422396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1098.427926] ? fput+0x130/0x1a0 [ 1098.431207] ? __bpf_prog_get+0x9b/0x290 [ 1098.435266] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1098.440101] ? bpf_prog_test_run+0x130/0x1a0 [ 1098.444511] ? __x64_sys_bpf+0x3d8/0x520 [ 1098.448574] ? bpf_prog_get+0x20/0x20 [ 1098.452392] ? do_syscall_64+0x1b9/0x820 [ 1098.456449] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1098.461807] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1098.466729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.471570] ? trace_hardirqs_on_caller+0x310/0x310 [ 1098.476587] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1098.481602] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1098.486622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1098.491475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1098.496856] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1098.496920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1098.503881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1098.510433] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1098.519681] Call Trace: [ 1098.530148] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1098.532712] [ 1098.539937] dump_stack+0x244/0x39d [ 1098.543566] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1098.548772] warn_alloc.cold.116+0xb7/0x1bd [ 1098.553092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1098.557937] ? lock_downgrade+0x900/0x900 [ 1098.562091] ? trace_hardirqs_off+0xb8/0x310 [ 1098.566502] ? trace_hardirqs_off+0xb8/0x310 [ 1098.570922] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1098.575787] ? warn_alloc+0x120/0x120 [ 1098.579591] ? warn_alloc+0x120/0x120 [ 1098.583389] ? __lock_acquire+0x62f/0x4c20 [ 1098.587627] ? warn_alloc+0x120/0x120 [ 1098.591426] ? print_usage_bug+0xc0/0xc0 [ 1098.595486] ? print_usage_bug+0xc0/0xc0 [ 1098.599555] ? mark_held_locks+0x130/0x130 [ 1098.603790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1098.609321] ? should_fail+0x22d/0xd01 [ 1098.613204] ? zap_class+0x640/0x640 [ 1098.616917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1098.622014] ? __lock_acquire+0x62f/0x4c20 [ 1098.626247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1098.631343] ? should_fail+0x22d/0xd01 [ 1098.635238] ? mark_held_locks+0x130/0x130 [ 1098.639472] ? mark_held_locks+0x130/0x130 [ 1098.643711] ? lock_downgrade+0x900/0x900 [ 1098.647853] ? zap_class+0x640/0x640 [ 1098.651564] ? zap_class+0x640/0x640 [ 1098.655273] ? zap_class+0x640/0x640 [ 1098.658978] ? do_raw_spin_unlock+0xa7/0x330 [ 1098.663382] ? trace_hardirqs_on+0x310/0x310 [ 1098.667786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.673322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.678856] ? check_preemption_disabled+0x48/0x280 [ 1098.683890] ? __lock_is_held+0xb5/0x140 [ 1098.687969] __alloc_pages_nodemask+0xa80/0xde0 [ 1098.692637] ? zap_class+0x640/0x640 [ 1098.696352] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1098.701374] ? find_held_lock+0x36/0x1c0 [ 1098.705441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1098.710109] ? lock_downgrade+0x900/0x900 [ 1098.714260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.719796] cache_grow_begin+0xa5/0x8c0 [ 1098.723855] ? do_raw_spin_unlock+0xa7/0x330 [ 1098.728268] fallback_alloc+0x204/0x2e0 [ 1098.732246] ____cache_alloc_node+0x1c7/0x1e0 [ 1098.736740] kmem_cache_alloc_node+0xe3/0x730 [ 1098.741228] ? __kmalloc_node_track_caller+0x50/0x70 [ 1098.746326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1098.751872] __alloc_skb+0x119/0x770 [ 1098.755580] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1098.760945] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1098.765354] ? vprintk_default+0x28/0x30 [ 1098.769409] ? vprintk_func+0x85/0x181 [ 1098.773293] ? printk+0xa7/0xcf [ 1098.776571] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1098.781323] ? do_raw_spin_trylock+0x270/0x270 [ 1098.785911] new_skb+0x26/0x1c0 [ 1098.789185] aoecmd_cfg+0x279/0x7f0 [ 1098.792812] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1098.797132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.802675] ? __lock_is_held+0xb5/0x140 [ 1098.806742] discover_timer+0x50/0x60 [ 1098.810538] call_timer_fn+0x272/0x920 [ 1098.814427] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1098.819270] ? process_timeout+0x40/0x40 [ 1098.823336] ? mark_held_locks+0xc7/0x130 [ 1098.827481] ? _raw_spin_unlock_irq+0x27/0x80 [ 1098.831974] ? _raw_spin_unlock_irq+0x27/0x80 [ 1098.836464] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1098.841306] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1098.845883] ? trace_hardirqs_on+0xbd/0x310 [ 1098.850196] ? kasan_check_read+0x11/0x20 [ 1098.854340] ? __run_timers+0x7da/0xc70 [ 1098.858314] ? trace_hardirqs_off_caller+0x310/0x310 [ 1098.863427] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1098.868260] __run_timers+0x7e5/0xc70 [ 1098.872064] ? timer_fixup_init+0x70/0x70 [ 1098.876211] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1098.881228] ? zap_class+0x640/0x640 [ 1098.884940] ? print_usage_bug+0xc0/0xc0 [ 1098.888998] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1098.894194] ? find_held_lock+0x36/0x1c0 [ 1098.898258] ? zap_class+0x640/0x640 [ 1098.901973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.908058] ? check_preemption_disabled+0x48/0x280 [ 1098.913084] ? __lock_is_held+0xb5/0x140 [ 1098.917141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.922674] ? check_preemption_disabled+0x48/0x280 [ 1098.927689] run_timer_softirq+0x52/0xb0 [ 1098.931748] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1098.936763] __do_softirq+0x308/0xb7e [ 1098.940570] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1098.945058] ? lock_downgrade+0x900/0x900 [ 1098.949208] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1098.954311] ? pvclock_read_flags+0x160/0x160 [ 1098.958802] ? lapic_next_event+0x5a/0x90 [ 1098.962947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.968491] ? kvm_clock_read+0x18/0x30 [ 1098.972458] ? kvm_sched_clock_read+0x9/0x20 [ 1098.976868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1098.982403] ? check_preemption_disabled+0x48/0x280 [ 1098.987430] irq_exit+0x17f/0x1c0 [ 1098.990885] smp_apic_timer_interrupt+0x1cb/0x760 [ 1098.995725] ? smp_reschedule_interrupt+0x109/0x650 [ 1099.000741] ? smp_call_function_single_interrupt+0x650/0x650 [ 1099.006619] ? interrupt_entry+0xb5/0xc0 [ 1099.010679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1099.015687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1099.020702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1099.025544] ? trace_hardirqs_on_caller+0x310/0x310 [ 1099.030552] ? trace_hardirqs_on_caller+0x310/0x310 [ 1099.035563] ? task_prio+0x50/0x50 [ 1099.039098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1099.044636] ? check_preemption_disabled+0x48/0x280 [ 1099.049650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1099.054582] apic_timer_interrupt+0xf/0x20 [ 1099.058805] [ 1099.061042] RIP: 0010:console_unlock+0x102f/0x1190 [ 1099.065971] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1099.084866] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1099.092653] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1099.099914] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1099.107176] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1099.114442] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1099.121710] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1099.128991] ? netconsole_netdev_event+0x280/0x280 [ 1099.133920] ? console_unlock+0x1026/0x1190 [ 1099.138267] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1099.142927] ? vprintk_emit+0x846/0x990 [ 1099.146900] ? lock_release+0xa00/0xa00 [ 1099.150868] ? trace_hardirqs_on+0x70/0x310 [ 1099.155186] ? vprintk_default+0x28/0x30 [ 1099.159247] ? trace_hardirqs_off_caller+0x310/0x310 [ 1099.164345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1099.169884] vprintk_emit+0x391/0x990 [ 1099.173685] ? wake_up_klogd+0x180/0x180 [ 1099.177748] ? find_held_lock+0x11/0x1c0 [ 1099.181812] ? mark_held_locks+0xc7/0x130 [ 1099.185962] ? _raw_spin_unlock_irq+0x27/0x80 [ 1099.190453] ? _raw_spin_unlock_irq+0x27/0x80 [ 1099.194959] vprintk_default+0x28/0x30 [ 1099.198844] vprintk_func+0x7e/0x181 [ 1099.202556] printk+0xa7/0xcf [ 1099.205664] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1099.210416] ? _raw_spin_unlock_irq+0x60/0x80 [ 1099.214920] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1099.220204] dump_header+0x7cc/0xf72 [ 1099.223925] ? pagefault_out_of_memory+0x197/0x197 [ 1099.228857] ? __lock_acquire+0x62f/0x4c20 [ 1099.233090] ? print_usage_bug+0xc0/0xc0 [ 1099.237152] ? zap_class+0x640/0x640 [ 1099.240865] ? print_usage_bug+0xc0/0xc0 [ 1099.244923] ? print_usage_bug+0xc0/0xc0 [ 1099.248984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1099.254522] ? find_held_lock+0x36/0x1c0 [ 1099.258597] ? mark_held_locks+0xc7/0x130 [ 1099.262747] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1099.267851] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1099.272954] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1099.277533] ? trace_hardirqs_on+0xbd/0x310 [ 1099.281848] ? kasan_check_read+0x11/0x20 [ 1099.285995] ? ___ratelimit+0x3b4/0x672 [ 1099.289968] ? trace_hardirqs_off_caller+0x310/0x310 [ 1099.295066] ? trace_hardirqs_on+0x310/0x310 [ 1099.299482] ? lock_downgrade+0x900/0x900 [ 1099.303628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1099.308741] ? ___ratelimit+0x3b9/0x672 [ 1099.312713] ? idr_get_free+0xf70/0xf70 [ 1099.316685] ? find_held_lock+0x36/0x1c0 [ 1099.320750] oom_kill_process.cold.27+0x10/0x903 [ 1099.325506] ? zap_class+0x640/0x640 [ 1099.329214] ? check_preemption_disabled+0x48/0x280 [ 1099.334229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1099.339152] ? kasan_check_read+0x11/0x20 [ 1099.343299] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1099.348571] ? oom_evaluate_task+0x540/0x540 [ 1099.352977] ? find_held_lock+0x36/0x1c0 [ 1099.357040] ? out_of_memory+0x974/0x1430 [ 1099.361189] ? lock_downgrade+0x900/0x900 [ 1099.365331] ? check_preemption_disabled+0x48/0x280 [ 1099.370349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1099.375275] ? kasan_check_read+0x11/0x20 [ 1099.379420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1099.384695] ? rcu_softirq_qs+0x20/0x20 [ 1099.388671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1099.394202] ? oom_evaluate_task+0x302/0x540 [ 1099.398624] out_of_memory+0xa84/0x1430 [ 1099.402602] ? oom_killer_disable+0x3a0/0x3a0 [ 1099.407095] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1099.412023] ? __ww_mutex_check_waiters+0x160/0x160 [ 1099.417046] __alloc_pages_slowpath+0x2354/0x2e10 [ 1099.421917] ? warn_alloc+0x120/0x120 [ 1099.425711] ? mark_held_locks+0x130/0x130 [ 1099.429944] ? find_get_entry+0xaae/0x1120 [ 1099.434184] ? filemap_map_pages+0x1a20/0x1a20 [ 1099.438777] ? zap_class+0x640/0x640 [ 1099.442505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1099.448050] ? check_preemption_disabled+0x48/0x280 [ 1099.453059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1099.458590] ? should_fail+0x22d/0xd01 [ 1099.462477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1099.467578] ? zap_class+0x640/0x640 [ 1099.471310] ? __lock_is_held+0xb5/0x140 [ 1099.475376] ? mark_held_locks+0x130/0x130 [ 1099.479610] ? lock_release+0xa00/0xa00 [ 1099.483583] ? perf_trace_sched_process_exec+0x860/0x860 [ 1099.489028] ? xa_load+0x2ba/0x460 [ 1099.492568] ? lock_downgrade+0x900/0x900 [ 1099.496718] ? __might_sleep+0x95/0x190 [ 1099.500694] __alloc_pages_nodemask+0xa80/0xde0 [ 1099.505366] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1099.510381] ? __page_cache_alloc+0x191/0x5c0 [ 1099.514868] ? xa_load+0x2e1/0x460 [ 1099.518403] ? xa_clear_mark+0x40/0x40 [ 1099.522294] ? zap_class+0x640/0x640 [ 1099.526014] ? zap_class+0x640/0x640 [ 1099.529723] ? zap_class+0x640/0x640 [ 1099.533441] ? __do_page_cache_readahead+0x663/0x810 [ 1099.538546] ? find_held_lock+0x36/0x1c0 [ 1099.542606] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1099.548145] alloc_pages_current+0x173/0x350 [ 1099.552558] __page_cache_alloc+0x38c/0x5c0 [ 1099.556870] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1099.561800] ? kasan_check_read+0x11/0x20 [ 1099.565941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1099.571228] ? generic_perform_write+0x6a0/0x6a0 [ 1099.575980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1099.581517] ? check_preemption_disabled+0x48/0x280 [ 1099.586537] filemap_fault+0x1595/0x25f0 [ 1099.590606] ? __lock_page_or_retry+0xa00/0xa00 [ 1099.595273] ? mark_held_locks+0x130/0x130 [ 1099.599514] ? filemap_map_pages+0xd6b/0x1a20 [ 1099.604010] ? lock_downgrade+0x900/0x900 [ 1099.608152] ? check_preemption_disabled+0x48/0x280 [ 1099.613170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1099.618105] ? kasan_check_read+0x11/0x20 [ 1099.622245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1099.627518] ? rcu_softirq_qs+0x20/0x20 [ 1099.631501] ? filemap_map_pages+0xd92/0x1a20 [ 1099.636199] ? find_get_entries_tag+0x1400/0x1400 [ 1099.641033] ? find_held_lock+0x36/0x1c0 [ 1099.645107] ? lock_acquire+0x1ed/0x520 [ 1099.649076] ? ext4_filemap_fault+0x7a/0xad [ 1099.653402] ? lock_release+0xa00/0xa00 [ 1099.657378] ? perf_trace_sched_process_exec+0x860/0x860 [ 1099.662828] ? print_usage_bug+0xc0/0xc0 [ 1099.666898] ? down_read+0x8d/0x120 [ 1099.670520] ? ext4_filemap_fault+0x7a/0xad [ 1099.674839] ? __down_interruptible+0x700/0x700 [ 1099.679508] ? find_held_lock+0x36/0x1c0 [ 1099.683573] ext4_filemap_fault+0x82/0xad [ 1099.687716] __do_fault+0x100/0x6b0 [ 1099.691348] ? lock_downgrade+0x900/0x900 [ 1099.695509] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1099.700611] ? kasan_check_read+0x11/0x20 [ 1099.704756] ? do_raw_spin_unlock+0xa7/0x330 [ 1099.709162] ? do_raw_spin_trylock+0x270/0x270 [ 1099.713752] __handle_mm_fault+0x3ea0/0x5be0 [ 1099.718156] ? perf_trace_lock+0x7a0/0x7a0 [ 1099.722391] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1099.727246] ? ksys_dup3+0x680/0x680 [ 1099.730971] ? zap_class+0x640/0x640 [ 1099.734686] ? zap_class+0x640/0x640 [ 1099.738392] ? __x64_sys_futex+0x53e/0x6a0 [ 1099.742632] ? find_held_lock+0x36/0x1c0 [ 1099.746698] ? handle_mm_fault+0x42a/0xc70 [ 1099.750927] ? lock_downgrade+0x900/0x900 [ 1099.755073] ? check_preemption_disabled+0x48/0x280 [ 1099.760088] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1099.765016] ? kasan_check_read+0x11/0x20 [ 1099.769157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1099.774433] ? rcu_softirq_qs+0x20/0x20 [ 1099.778420] ? trace_hardirqs_off_caller+0x310/0x310 [ 1099.783518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1099.789062] ? check_preemption_disabled+0x48/0x280 [ 1099.794080] handle_mm_fault+0x54f/0xc70 [ 1099.798148] ? __handle_mm_fault+0x5be0/0x5be0 [ 1099.802731] ? find_vma+0x34/0x190 [ 1099.806272] __do_page_fault+0x5e8/0xe60 [ 1099.810327] ? trace_hardirqs_off+0xb8/0x310 [ 1099.814728] ? kernel_write+0x120/0x120 [ 1099.818704] do_page_fault+0xf2/0x7e0 [ 1099.822503] ? vmalloc_sync_all+0x30/0x30 [ 1099.826645] ? error_entry+0x70/0xd0 [ 1099.830360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1099.835374] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1099.840307] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1099.845227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1099.850066] ? trace_hardirqs_on_caller+0x310/0x310 [ 1099.855079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1099.860530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1099.865541] ? page_fault+0x8/0x30 [ 1099.869082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1099.873921] ? page_fault+0x8/0x30 [ 1099.877461] page_fault+0x1e/0x30 [ 1099.880922] RIP: 0033:0x404068 [ 1099.884119] Code: Bad RIP value. [ 1099.887476] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1099.892832] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1099.900093] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1099.907361] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1099.914623] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1099.921889] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1099.929174] warn_alloc_show_mem: 1 callbacks suppressed [ 1099.929183] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1099.929185] Mem-Info: [ 1099.929214] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1099.929214] active_file:12 inactive_file:9 isolated_file:0 [ 1099.929214] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1099.929214] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1099.929214] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1099.929214] free:13627 free_pcp:121 free_cma:0 [ 1099.934551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1099.941818] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1099.944205] Call Trace: [ 1099.977421] 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 [ 1099.986765] [ 1100.014418] lowmem_reserve[]: 0 2818 6321 6321 [ 1100.016996] dump_stack+0x244/0x39d [ 1100.043073] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1100.045218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1100.049765] lowmem_reserve[]: 0 0 3503 3503 [ 1100.053403] warn_alloc.cold.116+0xb7/0x1bd [ 1100.081065] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1100.086263] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1100.090539] lowmem_reserve[]: 0 0 0 0 [ 1100.094859] ? lock_downgrade+0x900/0x900 [ 1100.123534] 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 [ 1100.128375] ? trace_hardirqs_off+0xb8/0x310 [ 1100.132144] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1100.136292] ? trace_hardirqs_off+0xb8/0x310 [ 1100.149951] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1100.154362] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1100.170218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1100.174638] ? warn_alloc+0x120/0x120 [ 1100.187679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1100.192506] ? print_usage_bug+0xc0/0xc0 [ 1100.201309] 4359 total pagecache pages [ 1100.205099] ? warn_alloc+0x120/0x120 [ 1100.213654] 0 pages in swap cache [ 1100.217696] ? warn_alloc+0x120/0x120 [ 1100.221557] Swap cache stats: add 0, delete 0, find 0/0 [ 1100.225353] ? print_usage_bug+0xc0/0xc0 [ 1100.228774] Free swap = 0kB [ 1100.232570] ? kvm_clock_read+0x18/0x30 [ 1100.237915] Total swap = 0kB [ 1100.241966] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1100.244954] 1965979 pages RAM [ 1100.248913] ? print_usage_bug+0xc0/0xc0 [ 1100.251899] 0 pages HighMem/MovableOnly [ 1100.251907] 342854 pages reserved [ 1100.256909] ? __lock_acquire+0x62f/0x4c20 [ 1100.259981] 0 pages cma reserved [ 1100.260060] aoe: skb alloc failure [ 1100.264053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1100.268659] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1100.271458] ? should_fail+0x22d/0xd01 [ 1100.271475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1100.275837] syz-fuzzer cpuset=/ mems_allowed=0 [ 1100.279198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1100.279215] ? __lock_acquire+0x62f/0x4c20 [ 1100.321581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1100.326680] ? __lock_acquire+0x62f/0x4c20 [ 1100.330908] ? should_fail+0x22d/0xd01 [ 1100.334788] ? rcu_irq_exit+0x1a2/0x390 [ 1100.338770] ? mark_held_locks+0x130/0x130 [ 1100.343012] ? mark_held_locks+0x130/0x130 [ 1100.347252] ? mark_held_locks+0xc7/0x130 [ 1100.351401] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1100.356414] ? zap_class+0x640/0x640 [ 1100.360122] ? print_usage_bug+0xc0/0xc0 [ 1100.364188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.369720] ? check_preemption_disabled+0x48/0x280 [ 1100.374740] ? __lock_is_held+0xb5/0x140 [ 1100.378806] __alloc_pages_nodemask+0xa80/0xde0 [ 1100.383473] ? zap_class+0x640/0x640 [ 1100.387190] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1100.392220] ? find_held_lock+0x36/0x1c0 [ 1100.396292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1100.400964] ? lock_downgrade+0x900/0x900 [ 1100.405117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.410655] cache_grow_begin+0xa5/0x8c0 [ 1100.414710] ? do_raw_spin_unlock+0xa7/0x330 [ 1100.419125] fallback_alloc+0x204/0x2e0 [ 1100.423103] ____cache_alloc_node+0x1c7/0x1e0 [ 1100.427598] kmem_cache_alloc_node+0xe3/0x730 [ 1100.432089] ? ipv6_get_ifaddr+0x42e/0x620 [ 1100.436343] __alloc_skb+0x119/0x770 [ 1100.440056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1100.445338] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1100.449745] ? lock_downgrade+0x900/0x900 [ 1100.453897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.459432] ? refcount_sub_and_test_checked+0x203/0x310 [ 1100.464879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1100.470324] ? addrconf_rs_timer+0x690/0x690 [ 1100.474746] ndisc_alloc_skb+0x144/0x340 [ 1100.478810] ndisc_send_rs+0x331/0x6e0 [ 1100.482697] addrconf_rs_timer+0x314/0x690 [ 1100.486933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1100.491177] call_timer_fn+0x272/0x920 [ 1100.495062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1100.499304] ? process_timeout+0x40/0x40 [ 1100.503375] ? __run_timers+0x7da/0xc70 [ 1100.507349] ? _raw_spin_unlock_irq+0x27/0x80 [ 1100.511847] ? _raw_spin_unlock_irq+0x27/0x80 [ 1100.516333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1100.520567] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1100.525144] ? trace_hardirqs_on+0xbd/0x310 [ 1100.529458] ? kasan_check_read+0x11/0x20 [ 1100.533596] ? __run_timers+0x7da/0xc70 [ 1100.537570] ? trace_hardirqs_off_caller+0x310/0x310 [ 1100.542671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1100.546907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1100.551135] __run_timers+0x7e5/0xc70 [ 1100.554942] ? timer_fixup_init+0x70/0x70 [ 1100.559088] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1100.564100] ? zap_class+0x640/0x640 [ 1100.567812] ? enqueue_hrtimer+0x1a5/0x560 [ 1100.572047] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1100.577244] ? find_held_lock+0x36/0x1c0 [ 1100.581308] ? zap_class+0x640/0x640 [ 1100.585039] ? pvclock_read_flags+0x160/0x160 [ 1100.589530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.595068] ? check_preemption_disabled+0x48/0x280 [ 1100.600093] ? __lock_is_held+0xb5/0x140 [ 1100.604151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.609686] ? check_preemption_disabled+0x48/0x280 [ 1100.614707] run_timer_softirq+0x52/0xb0 [ 1100.618763] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1100.623789] __do_softirq+0x308/0xb7e [ 1100.627590] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1100.632084] ? lock_downgrade+0x900/0x900 [ 1100.636243] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1100.641354] ? pvclock_read_flags+0x160/0x160 [ 1100.645845] ? lapic_next_event+0x5a/0x90 [ 1100.649991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.655529] ? kvm_clock_read+0x18/0x30 [ 1100.659496] ? kvm_sched_clock_read+0x9/0x20 [ 1100.663906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.669439] ? check_preemption_disabled+0x48/0x280 [ 1100.674464] irq_exit+0x17f/0x1c0 [ 1100.677918] smp_apic_timer_interrupt+0x1cb/0x760 [ 1100.682755] ? smp_reschedule_interrupt+0x109/0x650 [ 1100.687769] ? smp_call_function_single_interrupt+0x650/0x650 [ 1100.693653] ? interrupt_entry+0xb5/0xc0 [ 1100.697714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1100.702725] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1100.707737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1100.712577] ? trace_hardirqs_on_caller+0x310/0x310 [ 1100.717587] ? trace_hardirqs_on_caller+0x310/0x310 [ 1100.722599] ? task_prio+0x50/0x50 [ 1100.726137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.731678] ? check_preemption_disabled+0x48/0x280 [ 1100.736699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1100.741545] apic_timer_interrupt+0xf/0x20 [ 1100.745773] [ 1100.748020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1100.752949] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1100.771846] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1100.779552] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1100.786814] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1100.794077] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1100.801345] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1100.808611] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1100.815915] skb_clone+0x1bb/0x500 [ 1100.819462] ? finish_task_switch+0x2f4/0x910 [ 1100.823954] ? skb_split+0x11e0/0x11e0 [ 1100.827838] ? preempt_notifier_register+0x200/0x200 [ 1100.832938] ? __switch_to_asm+0x34/0x70 [ 1100.836992] ? __switch_to_asm+0x34/0x70 [ 1100.841060] ? __switch_to_asm+0x40/0x70 [ 1100.845113] ? __switch_to_asm+0x34/0x70 [ 1100.849164] ? __switch_to_asm+0x40/0x70 [ 1100.853222] ? __switch_to_asm+0x34/0x70 [ 1100.857274] ? __switch_to_asm+0x40/0x70 [ 1100.861338] ? __switch_to_asm+0x34/0x70 [ 1100.865392] ? __switch_to_asm+0x34/0x70 [ 1100.869450] ? __switch_to_asm+0x40/0x70 [ 1100.873503] ? __switch_to_asm+0x34/0x70 [ 1100.877572] bpf_clone_redirect+0xb9/0x490 [ 1100.881805] ? __schedule+0x8d7/0x21d0 [ 1100.885696] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1100.890714] ? __sched_text_start+0x8/0x8 [ 1100.894873] ? find_held_lock+0x36/0x1c0 [ 1100.898936] ? lock_acquire+0x1ed/0x520 [ 1100.902905] ? bpf_test_run+0x3cb/0x780 [ 1100.907242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1100.912776] ? check_preemption_disabled+0x48/0x280 [ 1100.917798] ? kasan_check_read+0x11/0x20 [ 1100.922009] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1100.927283] ? rcu_softirq_qs+0x20/0x20 [ 1100.931257] ? preempt_schedule+0x4d/0x60 [ 1100.935415] ? ___preempt_schedule+0x16/0x18 [ 1100.939837] ? bpf_test_run+0x25d/0x780 [ 1100.943819] ? netlink_diag_dump+0x2a0/0x2a0 [ 1100.948228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1100.953760] ? bpf_test_init.isra.10+0x70/0x100 [ 1100.958428] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1100.963201] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1100.968041] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1100.973573] ? fput+0x130/0x1a0 [ 1100.976851] ? __bpf_prog_get+0x9b/0x290 [ 1100.980912] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1100.985748] ? bpf_prog_test_run+0x130/0x1a0 [ 1100.990157] ? __x64_sys_bpf+0x3d8/0x520 [ 1100.994216] ? bpf_prog_get+0x20/0x20 [ 1100.998056] ? do_syscall_64+0x1b9/0x820 [ 1101.002114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1101.007474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1101.012396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.017236] ? trace_hardirqs_on_caller+0x310/0x310 [ 1101.022250] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1101.027268] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1101.032287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.037142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1101.042521] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1101.042584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1101.049532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1101.049537] Call Trace: [ 1101.049543] [ 1101.049561] dump_stack+0x244/0x39d [ 1101.049579] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1101.056124] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1101.065402] warn_alloc.cold.116+0xb7/0x1bd [ 1101.067948] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1101.070100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1101.104068] ? lock_downgrade+0x900/0x900 [ 1101.108224] ? trace_hardirqs_off+0xb8/0x310 [ 1101.112638] ? trace_hardirqs_off+0xb8/0x310 [ 1101.117065] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1101.121931] ? warn_alloc+0x120/0x120 [ 1101.125728] ? find_held_lock+0x36/0x1c0 [ 1101.129787] ? warn_alloc+0x120/0x120 [ 1101.133589] ? warn_alloc+0x120/0x120 [ 1101.137384] ? print_usage_bug+0xc0/0xc0 [ 1101.141445] ? print_usage_bug+0xc0/0xc0 [ 1101.145504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1101.150825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1101.156360] ? should_fail+0x22d/0xd01 [ 1101.160247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1101.165346] ? __lock_acquire+0x62f/0x4c20 [ 1101.169583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1101.174684] ? __lock_acquire+0x62f/0x4c20 [ 1101.178910] ? should_fail+0x22d/0xd01 [ 1101.182805] ? mark_held_locks+0x130/0x130 [ 1101.187041] ? mark_held_locks+0x130/0x130 [ 1101.191277] ? __lock_acquire+0x62f/0x4c20 [ 1101.195514] ? zap_class+0x640/0x640 [ 1101.199227] ? enqueue_entity+0x34b/0x20a0 [ 1101.203467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.209000] ? check_preemption_disabled+0x48/0x280 [ 1101.214018] ? __lock_is_held+0xb5/0x140 [ 1101.218080] __alloc_pages_nodemask+0xa80/0xde0 [ 1101.222745] ? zap_class+0x640/0x640 [ 1101.226458] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1101.231480] ? find_held_lock+0x36/0x1c0 [ 1101.235545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1101.240211] ? lock_downgrade+0x900/0x900 [ 1101.244364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.249903] cache_grow_begin+0xa5/0x8c0 [ 1101.253957] ? do_raw_spin_unlock+0xa7/0x330 [ 1101.258389] fallback_alloc+0x204/0x2e0 [ 1101.262369] ____cache_alloc_node+0x1c7/0x1e0 [ 1101.266864] kmem_cache_alloc_node+0xe3/0x730 [ 1101.271351] ? do_raw_spin_unlock+0xa7/0x330 [ 1101.275755] ? do_raw_spin_trylock+0x270/0x270 [ 1101.280341] __alloc_skb+0x119/0x770 [ 1101.284054] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1101.288457] ? atomic_notifier_call_chain+0xc6/0x190 [ 1101.293555] ? lock_downgrade+0x900/0x900 [ 1101.297696] ? check_preemption_disabled+0x48/0x280 [ 1101.302709] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1101.307631] ? kasan_check_read+0x11/0x20 [ 1101.311779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1101.317053] ? rcu_softirq_qs+0x20/0x20 [ 1101.321019] ? kasan_check_read+0x11/0x20 [ 1101.325165] ? do_raw_write_trylock+0x270/0x270 [ 1101.329904] __neigh_notify+0x8c/0x160 [ 1101.333795] ? neigh_connected_output+0x780/0x780 [ 1101.338638] neigh_timer_handler+0x6cb/0xdf0 [ 1101.343043] ? check_preemption_disabled+0x48/0x280 [ 1101.348233] ? neigh_periodic_work+0xc60/0xc60 [ 1101.352813] ? __lock_is_held+0xb5/0x140 [ 1101.356902] call_timer_fn+0x272/0x920 [ 1101.360786] ? neigh_periodic_work+0xc60/0xc60 [ 1101.365367] ? process_timeout+0x40/0x40 [ 1101.369431] ? mark_held_locks+0xc7/0x130 [ 1101.373579] ? _raw_spin_unlock_irq+0x27/0x80 [ 1101.378071] ? _raw_spin_unlock_irq+0x27/0x80 [ 1101.382561] ? neigh_periodic_work+0xc60/0xc60 [ 1101.387141] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1101.391718] ? trace_hardirqs_on+0xbd/0x310 [ 1101.396037] ? kasan_check_read+0x11/0x20 [ 1101.400177] ? __run_timers+0x7da/0xc70 [ 1101.404144] ? trace_hardirqs_off_caller+0x310/0x310 [ 1101.409254] ? neigh_periodic_work+0xc60/0xc60 [ 1101.413834] __run_timers+0x7e5/0xc70 [ 1101.417639] ? timer_fixup_init+0x70/0x70 [ 1101.421798] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1101.426818] ? zap_class+0x640/0x640 [ 1101.430532] ? print_usage_bug+0xc0/0xc0 [ 1101.434590] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1101.439782] ? find_held_lock+0x36/0x1c0 [ 1101.443846] ? zap_class+0x640/0x640 [ 1101.447562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.453094] ? check_preemption_disabled+0x48/0x280 [ 1101.458115] ? __lock_is_held+0xb5/0x140 [ 1101.462175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.467719] ? check_preemption_disabled+0x48/0x280 [ 1101.472738] run_timer_softirq+0x52/0xb0 [ 1101.476798] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1101.481812] __do_softirq+0x308/0xb7e [ 1101.485872] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1101.490360] ? lock_downgrade+0x900/0x900 [ 1101.494507] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1101.499611] ? pvclock_read_flags+0x160/0x160 [ 1101.504108] ? lapic_next_event+0x5a/0x90 [ 1101.508251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.513796] ? kvm_clock_read+0x18/0x30 [ 1101.517763] ? kvm_sched_clock_read+0x9/0x20 [ 1101.522166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.527890] ? check_preemption_disabled+0x48/0x280 [ 1101.532909] irq_exit+0x17f/0x1c0 [ 1101.536365] smp_apic_timer_interrupt+0x1cb/0x760 [ 1101.541203] ? smp_reschedule_interrupt+0x109/0x650 [ 1101.546219] ? smp_call_function_single_interrupt+0x650/0x650 [ 1101.552098] ? interrupt_entry+0xb5/0xc0 [ 1101.556162] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1101.561176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1101.566283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.571119] ? trace_hardirqs_on_caller+0x310/0x310 [ 1101.576139] ? trace_hardirqs_on_caller+0x310/0x310 [ 1101.581153] ? task_prio+0x50/0x50 [ 1101.584689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.590222] ? check_preemption_disabled+0x48/0x280 [ 1101.595241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1101.600095] apic_timer_interrupt+0xf/0x20 [ 1101.604317] [ 1101.606548] RIP: 0010:console_unlock+0x102f/0x1190 [ 1101.611475] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1101.630367] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1101.638090] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1101.645351] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1101.652613] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1101.659876] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1101.667137] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1101.674412] ? netconsole_netdev_event+0x280/0x280 [ 1101.679346] ? console_unlock+0x1026/0x1190 [ 1101.683682] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1101.688344] ? vprintk_emit+0x846/0x990 [ 1101.692319] ? lock_release+0xa00/0xa00 [ 1101.696287] ? trace_hardirqs_on+0x70/0x310 [ 1101.700606] ? vprintk_default+0x28/0x30 [ 1101.704670] ? trace_hardirqs_off_caller+0x310/0x310 [ 1101.709768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.715306] vprintk_emit+0x391/0x990 [ 1101.719106] ? wake_up_klogd+0x180/0x180 [ 1101.723167] ? find_held_lock+0x11/0x1c0 [ 1101.727231] ? mark_held_locks+0xc7/0x130 [ 1101.731382] ? _raw_spin_unlock_irq+0x27/0x80 [ 1101.735869] ? _raw_spin_unlock_irq+0x27/0x80 [ 1101.740368] vprintk_default+0x28/0x30 [ 1101.744260] vprintk_func+0x7e/0x181 [ 1101.747971] printk+0xa7/0xcf [ 1101.751070] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1101.755824] ? _raw_spin_unlock_irq+0x60/0x80 [ 1101.760327] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1101.765606] dump_header+0x7cc/0xf72 [ 1101.769327] ? pagefault_out_of_memory+0x197/0x197 [ 1101.774263] ? __lock_acquire+0x62f/0x4c20 [ 1101.778499] ? print_usage_bug+0xc0/0xc0 [ 1101.782562] ? zap_class+0x640/0x640 [ 1101.786279] ? print_usage_bug+0xc0/0xc0 [ 1101.790337] ? print_usage_bug+0xc0/0xc0 [ 1101.794394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.799929] ? find_held_lock+0x36/0x1c0 [ 1101.803993] ? mark_held_locks+0xc7/0x130 [ 1101.808140] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1101.813243] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1101.818353] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1101.822934] ? trace_hardirqs_on+0xbd/0x310 [ 1101.827257] ? kasan_check_read+0x11/0x20 [ 1101.831398] ? ___ratelimit+0x3b4/0x672 [ 1101.835367] ? trace_hardirqs_off_caller+0x310/0x310 [ 1101.840464] ? trace_hardirqs_on+0x310/0x310 [ 1101.844871] ? lock_downgrade+0x900/0x900 [ 1101.849018] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1101.854119] ? ___ratelimit+0x3b9/0x672 [ 1101.858094] ? idr_get_free+0xf70/0xf70 [ 1101.862061] ? find_held_lock+0x36/0x1c0 [ 1101.866126] oom_kill_process.cold.27+0x10/0x903 [ 1101.870881] ? zap_class+0x640/0x640 [ 1101.874589] ? check_preemption_disabled+0x48/0x280 [ 1101.879612] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1101.884536] ? kasan_check_read+0x11/0x20 [ 1101.888679] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1101.893953] ? oom_evaluate_task+0x540/0x540 [ 1101.898358] ? find_held_lock+0x36/0x1c0 [ 1101.902421] ? out_of_memory+0x974/0x1430 [ 1101.906564] ? lock_downgrade+0x900/0x900 [ 1101.910710] ? check_preemption_disabled+0x48/0x280 [ 1101.915723] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1101.920648] ? kasan_check_read+0x11/0x20 [ 1101.924788] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1101.930060] ? rcu_softirq_qs+0x20/0x20 [ 1101.934033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1101.939566] ? oom_evaluate_task+0x302/0x540 [ 1101.943974] out_of_memory+0xa84/0x1430 [ 1101.947948] ? oom_killer_disable+0x3a0/0x3a0 [ 1101.952442] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1101.957367] ? __ww_mutex_check_waiters+0x160/0x160 [ 1101.962388] __alloc_pages_slowpath+0x2354/0x2e10 [ 1101.967260] ? warn_alloc+0x120/0x120 [ 1101.971058] ? mark_held_locks+0x130/0x130 [ 1101.975290] ? find_get_entry+0xaae/0x1120 [ 1101.979528] ? filemap_map_pages+0x1a20/0x1a20 [ 1101.984112] ? zap_class+0x640/0x640 [ 1101.987825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1101.993360] ? check_preemption_disabled+0x48/0x280 [ 1101.998457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1102.003991] ? should_fail+0x22d/0xd01 [ 1102.007880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1102.012978] ? zap_class+0x640/0x640 [ 1102.016712] ? __lock_is_held+0xb5/0x140 [ 1102.020776] ? mark_held_locks+0x130/0x130 [ 1102.025007] ? lock_release+0xa00/0xa00 [ 1102.028975] ? perf_trace_sched_process_exec+0x860/0x860 [ 1102.034421] ? xa_load+0x2ba/0x460 [ 1102.037959] ? lock_downgrade+0x900/0x900 [ 1102.042109] ? __might_sleep+0x95/0x190 [ 1102.046088] __alloc_pages_nodemask+0xa80/0xde0 [ 1102.050757] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1102.055771] ? __page_cache_alloc+0x191/0x5c0 [ 1102.060261] ? xa_load+0x2e1/0x460 [ 1102.063797] ? xa_clear_mark+0x40/0x40 [ 1102.067682] ? zap_class+0x640/0x640 [ 1102.071397] ? zap_class+0x640/0x640 [ 1102.075449] ? zap_class+0x640/0x640 [ 1102.079207] ? __do_page_cache_readahead+0x663/0x810 [ 1102.084325] ? find_held_lock+0x36/0x1c0 [ 1102.088387] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1102.093926] alloc_pages_current+0x173/0x350 [ 1102.098336] __page_cache_alloc+0x38c/0x5c0 [ 1102.102652] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1102.107574] ? kasan_check_read+0x11/0x20 [ 1102.111718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1102.116991] ? generic_perform_write+0x6a0/0x6a0 [ 1102.121741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1102.127274] ? check_preemption_disabled+0x48/0x280 [ 1102.132298] filemap_fault+0x1595/0x25f0 [ 1102.136380] ? __lock_page_or_retry+0xa00/0xa00 [ 1102.141049] ? mark_held_locks+0x130/0x130 [ 1102.145288] ? filemap_map_pages+0xd6b/0x1a20 [ 1102.149778] ? lock_downgrade+0x900/0x900 [ 1102.153925] ? check_preemption_disabled+0x48/0x280 [ 1102.158938] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1102.163858] ? kasan_check_read+0x11/0x20 [ 1102.167994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1102.173265] ? rcu_softirq_qs+0x20/0x20 [ 1102.177421] ? filemap_map_pages+0xd92/0x1a20 [ 1102.181923] ? find_get_entries_tag+0x1400/0x1400 [ 1102.186760] ? find_held_lock+0x36/0x1c0 [ 1102.190838] ? lock_acquire+0x1ed/0x520 [ 1102.194806] ? ext4_filemap_fault+0x7a/0xad [ 1102.199129] ? lock_release+0xa00/0xa00 [ 1102.203097] ? perf_trace_sched_process_exec+0x860/0x860 [ 1102.208542] ? print_usage_bug+0xc0/0xc0 [ 1102.212704] ? down_read+0x8d/0x120 [ 1102.216321] ? ext4_filemap_fault+0x7a/0xad [ 1102.220645] ? __down_interruptible+0x700/0x700 [ 1102.225310] ? find_held_lock+0x36/0x1c0 [ 1102.229369] ext4_filemap_fault+0x82/0xad [ 1102.233512] __do_fault+0x100/0x6b0 [ 1102.237137] ? lock_downgrade+0x900/0x900 [ 1102.241281] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1102.246390] ? kasan_check_read+0x11/0x20 [ 1102.250532] ? do_raw_spin_unlock+0xa7/0x330 [ 1102.254936] ? do_raw_spin_trylock+0x270/0x270 [ 1102.259532] __handle_mm_fault+0x3ea0/0x5be0 [ 1102.263934] ? perf_trace_lock+0x7a0/0x7a0 [ 1102.268175] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1102.273026] ? ksys_dup3+0x680/0x680 [ 1102.276752] ? zap_class+0x640/0x640 [ 1102.280480] ? zap_class+0x640/0x640 [ 1102.284190] ? __x64_sys_futex+0x53e/0x6a0 [ 1102.288430] ? find_held_lock+0x36/0x1c0 [ 1102.292498] ? handle_mm_fault+0x42a/0xc70 [ 1102.296727] ? lock_downgrade+0x900/0x900 [ 1102.300870] ? check_preemption_disabled+0x48/0x280 [ 1102.305884] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1102.310810] ? kasan_check_read+0x11/0x20 [ 1102.314956] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1102.320232] ? rcu_softirq_qs+0x20/0x20 [ 1102.324199] ? trace_hardirqs_off_caller+0x310/0x310 [ 1102.329309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1102.334845] ? check_preemption_disabled+0x48/0x280 [ 1102.339864] handle_mm_fault+0x54f/0xc70 [ 1102.343926] ? __handle_mm_fault+0x5be0/0x5be0 [ 1102.348510] ? find_vma+0x34/0x190 [ 1102.352049] __do_page_fault+0x5e8/0xe60 [ 1102.356103] ? trace_hardirqs_off+0xb8/0x310 [ 1102.360506] ? kernel_write+0x120/0x120 [ 1102.364485] do_page_fault+0xf2/0x7e0 [ 1102.368281] ? vmalloc_sync_all+0x30/0x30 [ 1102.372425] ? error_entry+0x70/0xd0 [ 1102.376136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1102.381152] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1102.386078] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1102.391003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1102.395842] ? trace_hardirqs_on_caller+0x310/0x310 [ 1102.400853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1102.406303] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1102.411312] ? page_fault+0x8/0x30 [ 1102.414854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1102.419694] ? page_fault+0x8/0x30 [ 1102.423235] page_fault+0x1e/0x30 [ 1102.426682] RIP: 0033:0x404068 [ 1102.429881] Code: Bad RIP value. [ 1102.433237] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1102.438590] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1102.445870] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1102.453133] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1102.460400] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1102.467664] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1102.474958] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1102.474969] warn_alloc_show_mem: 1 callbacks suppressed [ 1102.474974] Mem-Info: [ 1102.482233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1102.487596] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1102.487596] active_file:12 inactive_file:9 isolated_file:0 [ 1102.487596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1102.487596] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1102.487596] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1102.487596] free:13627 free_pcp:121 free_cma:0 [ 1102.489970] Call Trace: [ 1102.499345] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1102.532204] [ 1102.534768] 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 [ 1102.562431] dump_stack+0x244/0x39d [ 1102.564545] lowmem_reserve[]: 0 2818 6321 6321 [ 1102.590658] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1102.594255] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1102.598836] warn_alloc.cold.116+0xb7/0x1bd [ 1102.603987] lowmem_reserve[]: 0 0 3503 3503 [ 1102.631299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1102.635593] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1102.639905] ? lock_downgrade+0x900/0x900 [ 1102.644715] lowmem_reserve[]: 0 0 0 0 [ 1102.673419] ? trace_hardirqs_off+0xb8/0x310 [ 1102.677532] 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 [ 1102.681324] ? trace_hardirqs_off+0xb8/0x310 [ 1102.685698] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1102.699221] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1102.703590] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13780kB [ 1102.719224] ? warn_alloc+0x120/0x120 [ 1102.724020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1102.737092] ? print_usage_bug+0xc0/0xc0 [ 1102.740876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1102.749692] ? warn_alloc+0x120/0x120 [ 1102.753724] 4359 total pagecache pages [ 1102.762288] ? warn_alloc+0x120/0x120 [ 1102.766069] 0 pages in swap cache [ 1102.769965] ? print_usage_bug+0xc0/0xc0 [ 1102.773737] Swap cache stats: add 0, delete 0, find 0/0 [ 1102.777265] ? kvm_clock_read+0x18/0x30 [ 1102.781299] Free swap = 0kB [ 1102.786647] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1102.790584] Total swap = 0kB [ 1102.790591] 1965979 pages RAM [ 1102.793597] ? print_usage_bug+0xc0/0xc0 [ 1102.798583] 0 pages HighMem/MovableOnly [ 1102.801586] ? __lock_acquire+0x62f/0x4c20 [ 1102.804662] 342854 pages reserved [ 1102.808709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1102.812653] 0 pages cma reserved [ 1102.816872] ? should_fail+0x22d/0xd01 [ 1102.820402] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1102.825808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1102.825827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1102.829164] syz-fuzzer cpuset=/ mems_allowed=0 [ 1102.833045] ? __lock_acquire+0x62f/0x4c20 [ 1102.862382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1102.867476] ? __lock_acquire+0x62f/0x4c20 [ 1102.871705] ? should_fail+0x22d/0xd01 [ 1102.875583] ? rcu_irq_exit+0x1a2/0x390 [ 1102.879567] ? mark_held_locks+0x130/0x130 [ 1102.883803] ? mark_held_locks+0x130/0x130 [ 1102.888048] ? mark_held_locks+0xc7/0x130 [ 1102.892193] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1102.897206] ? zap_class+0x640/0x640 [ 1102.900916] ? print_usage_bug+0xc0/0xc0 [ 1102.904976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1102.910885] ? check_preemption_disabled+0x48/0x280 [ 1102.915909] ? __lock_is_held+0xb5/0x140 [ 1102.919972] __alloc_pages_nodemask+0xa80/0xde0 [ 1102.924637] ? zap_class+0x640/0x640 [ 1102.928355] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1102.933378] ? find_held_lock+0x36/0x1c0 [ 1102.937447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1102.942112] ? lock_downgrade+0x900/0x900 [ 1102.946266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1102.951801] cache_grow_begin+0xa5/0x8c0 [ 1102.955858] ? do_raw_spin_unlock+0xa7/0x330 [ 1102.960269] fallback_alloc+0x204/0x2e0 [ 1102.964246] ____cache_alloc_node+0x1c7/0x1e0 [ 1102.968741] kmem_cache_alloc_node+0xe3/0x730 [ 1102.973230] ? ipv6_get_ifaddr+0x42e/0x620 [ 1102.977475] __alloc_skb+0x119/0x770 [ 1102.981189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1102.986463] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1102.990865] ? lock_downgrade+0x900/0x900 [ 1102.995018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.000640] ? refcount_sub_and_test_checked+0x203/0x310 [ 1103.006087] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1103.011536] ? addrconf_rs_timer+0x690/0x690 [ 1103.015952] ndisc_alloc_skb+0x144/0x340 [ 1103.020360] ndisc_send_rs+0x331/0x6e0 [ 1103.024246] addrconf_rs_timer+0x314/0x690 [ 1103.028486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.032724] call_timer_fn+0x272/0x920 [ 1103.036605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.040836] ? process_timeout+0x40/0x40 [ 1103.044900] ? __run_timers+0x7da/0xc70 [ 1103.048879] ? _raw_spin_unlock_irq+0x27/0x80 [ 1103.053368] ? _raw_spin_unlock_irq+0x27/0x80 [ 1103.057855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.062087] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1103.066666] ? trace_hardirqs_on+0xbd/0x310 [ 1103.070984] ? kasan_check_read+0x11/0x20 [ 1103.075630] ? __run_timers+0x7da/0xc70 [ 1103.079603] ? trace_hardirqs_off_caller+0x310/0x310 [ 1103.084708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.088946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.093181] __run_timers+0x7e5/0xc70 [ 1103.096988] ? timer_fixup_init+0x70/0x70 [ 1103.101134] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1103.106156] ? zap_class+0x640/0x640 [ 1103.109873] ? enqueue_hrtimer+0x1a5/0x560 [ 1103.114107] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1103.119299] ? find_held_lock+0x36/0x1c0 [ 1103.123358] ? zap_class+0x640/0x640 [ 1103.127068] ? pvclock_read_flags+0x160/0x160 [ 1103.131560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.137092] ? check_preemption_disabled+0x48/0x280 [ 1103.142119] ? __lock_is_held+0xb5/0x140 [ 1103.146182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.151716] ? check_preemption_disabled+0x48/0x280 [ 1103.156735] run_timer_softirq+0x52/0xb0 [ 1103.160808] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1103.165822] __do_softirq+0x308/0xb7e [ 1103.169623] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1103.174117] ? lock_downgrade+0x900/0x900 [ 1103.178275] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1103.183380] ? pvclock_read_flags+0x160/0x160 [ 1103.187874] ? lapic_next_event+0x5a/0x90 [ 1103.192021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.197560] ? kvm_clock_read+0x18/0x30 [ 1103.201530] ? kvm_sched_clock_read+0x9/0x20 [ 1103.205935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.211479] ? check_preemption_disabled+0x48/0x280 [ 1103.216499] irq_exit+0x17f/0x1c0 [ 1103.219948] smp_apic_timer_interrupt+0x1cb/0x760 [ 1103.224783] ? smp_reschedule_interrupt+0x109/0x650 [ 1103.229794] ? smp_call_function_single_interrupt+0x650/0x650 [ 1103.235681] ? interrupt_entry+0xb5/0xc0 [ 1103.239738] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1103.244748] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1103.249762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1103.254599] ? trace_hardirqs_on_caller+0x310/0x310 [ 1103.259612] ? trace_hardirqs_on_caller+0x310/0x310 [ 1103.264621] ? task_prio+0x50/0x50 [ 1103.268166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.273699] ? check_preemption_disabled+0x48/0x280 [ 1103.278716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1103.283655] apic_timer_interrupt+0xf/0x20 [ 1103.287878] [ 1103.290115] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1103.295046] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1103.313940] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1103.321643] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1103.328907] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1103.336171] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1103.343434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1103.350702] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1103.358190] skb_clone+0x1bb/0x500 [ 1103.361725] ? finish_task_switch+0x2f4/0x910 [ 1103.366215] ? skb_split+0x11e0/0x11e0 [ 1103.370099] ? preempt_notifier_register+0x200/0x200 [ 1103.375202] ? __switch_to_asm+0x34/0x70 [ 1103.379259] ? __switch_to_asm+0x34/0x70 [ 1103.383312] ? __switch_to_asm+0x40/0x70 [ 1103.387365] ? __switch_to_asm+0x34/0x70 [ 1103.391418] ? __switch_to_asm+0x40/0x70 [ 1103.395470] ? __switch_to_asm+0x34/0x70 [ 1103.399522] ? __switch_to_asm+0x40/0x70 [ 1103.403575] ? __switch_to_asm+0x34/0x70 [ 1103.407635] ? __switch_to_asm+0x34/0x70 [ 1103.411687] ? __switch_to_asm+0x40/0x70 [ 1103.415739] ? __switch_to_asm+0x34/0x70 [ 1103.419800] bpf_clone_redirect+0xb9/0x490 [ 1103.424028] ? __schedule+0x8d7/0x21d0 [ 1103.427917] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1103.432929] ? __sched_text_start+0x8/0x8 [ 1103.437083] ? find_held_lock+0x36/0x1c0 [ 1103.441154] ? lock_acquire+0x1ed/0x520 [ 1103.445130] ? bpf_test_run+0x3cb/0x780 [ 1103.449099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.454640] ? check_preemption_disabled+0x48/0x280 [ 1103.459659] ? kasan_check_read+0x11/0x20 [ 1103.463802] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1103.469075] ? rcu_softirq_qs+0x20/0x20 [ 1103.473044] ? preempt_schedule+0x4d/0x60 [ 1103.477187] ? ___preempt_schedule+0x16/0x18 [ 1103.481602] ? bpf_test_run+0x25d/0x780 [ 1103.485583] ? netlink_diag_dump+0x2a0/0x2a0 [ 1103.489996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1103.495530] ? bpf_test_init.isra.10+0x70/0x100 [ 1103.500199] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1103.504958] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1103.509795] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1103.515330] ? fput+0x130/0x1a0 [ 1103.518951] ? __bpf_prog_get+0x9b/0x290 [ 1103.523011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1103.527844] ? bpf_prog_test_run+0x130/0x1a0 [ 1103.532254] ? __x64_sys_bpf+0x3d8/0x520 [ 1103.536311] ? bpf_prog_get+0x20/0x20 [ 1103.540130] ? do_syscall_64+0x1b9/0x820 [ 1103.544187] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1103.549548] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1103.554469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1103.559322] ? trace_hardirqs_on_caller+0x310/0x310 [ 1103.564338] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1103.569353] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1103.574370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1103.579219] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1103.584598] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1103.584663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1103.591608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1103.591613] Call Trace: [ 1103.591618] [ 1103.591634] dump_stack+0x244/0x39d [ 1103.591654] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1103.598788] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1103.607492] warn_alloc.cold.116+0xb7/0x1bd [ 1103.610040] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1103.612180] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1103.645630] ? lock_downgrade+0x900/0x900 [ 1103.649786] ? trace_hardirqs_off+0xb8/0x310 [ 1103.654195] ? trace_hardirqs_off+0xb8/0x310 [ 1103.658610] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1103.663480] ? warn_alloc+0x120/0x120 [ 1103.667284] ? warn_alloc+0x120/0x120 [ 1103.671345] ? warn_alloc+0x120/0x120 [ 1103.675141] ? print_usage_bug+0xc0/0xc0 [ 1103.679207] ? enqueue_hrtimer+0x1a5/0x560 [ 1103.683437] ? print_usage_bug+0xc0/0xc0 [ 1103.687494] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1103.692689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1103.698227] ? should_fail+0x22d/0xd01 [ 1103.702123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1103.707222] ? __lock_acquire+0x62f/0x4c20 [ 1103.711454] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1103.716557] ? __lock_acquire+0x62f/0x4c20 [ 1103.720787] ? should_fail+0x22d/0xd01 [ 1103.724681] ? mark_held_locks+0x130/0x130 [ 1103.728918] ? mark_held_locks+0x130/0x130 [ 1103.733155] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1103.738167] ? ktime_get+0x2c1/0x400 [ 1103.741882] ? zap_class+0x640/0x640 [ 1103.745593] ? print_usage_bug+0xc0/0xc0 [ 1103.749655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.755190] ? check_preemption_disabled+0x48/0x280 [ 1103.760210] ? __lock_is_held+0xb5/0x140 [ 1103.764534] __alloc_pages_nodemask+0xa80/0xde0 [ 1103.769198] ? zap_class+0x640/0x640 [ 1103.772915] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1103.777937] ? find_held_lock+0x36/0x1c0 [ 1103.782004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1103.786668] ? lock_downgrade+0x900/0x900 [ 1103.790816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.796351] cache_grow_begin+0xa5/0x8c0 [ 1103.800410] ? do_raw_spin_unlock+0xa7/0x330 [ 1103.804820] fallback_alloc+0x204/0x2e0 [ 1103.808797] ____cache_alloc_node+0x1c7/0x1e0 [ 1103.813295] kmem_cache_alloc_node+0xe3/0x730 [ 1103.817787] ? ipv6_get_ifaddr+0x42e/0x620 [ 1103.822026] __alloc_skb+0x119/0x770 [ 1103.825734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1103.831009] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1103.835415] ? lock_downgrade+0x900/0x900 [ 1103.839568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.845106] ? refcount_sub_and_test_checked+0x203/0x310 [ 1103.850558] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1103.856006] ? addrconf_rs_timer+0x690/0x690 [ 1103.860424] ndisc_alloc_skb+0x144/0x340 [ 1103.864489] ndisc_send_rs+0x331/0x6e0 [ 1103.868380] addrconf_rs_timer+0x314/0x690 [ 1103.872623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.876866] call_timer_fn+0x272/0x920 [ 1103.880750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.884982] ? process_timeout+0x40/0x40 [ 1103.889146] ? mark_held_locks+0xc7/0x130 [ 1103.893290] ? _raw_spin_unlock_irq+0x27/0x80 [ 1103.897780] ? _raw_spin_unlock_irq+0x27/0x80 [ 1103.902268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.906496] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1103.911075] ? trace_hardirqs_on+0xbd/0x310 [ 1103.915400] ? kasan_check_read+0x11/0x20 [ 1103.919545] ? __run_timers+0x7da/0xc70 [ 1103.923519] ? trace_hardirqs_off_caller+0x310/0x310 [ 1103.928627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1103.932859] __run_timers+0x7e5/0xc70 [ 1103.936667] ? timer_fixup_init+0x70/0x70 [ 1103.940811] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1103.945823] ? zap_class+0x640/0x640 [ 1103.949540] ? print_usage_bug+0xc0/0xc0 [ 1103.953613] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1103.958806] ? find_held_lock+0x36/0x1c0 [ 1103.962866] ? zap_class+0x640/0x640 [ 1103.966578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.972114] ? check_preemption_disabled+0x48/0x280 [ 1103.977138] ? __lock_is_held+0xb5/0x140 [ 1103.981195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1103.986817] ? check_preemption_disabled+0x48/0x280 [ 1103.991833] run_timer_softirq+0x52/0xb0 [ 1103.995891] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1104.000902] __do_softirq+0x308/0xb7e [ 1104.004701] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1104.009193] ? lock_downgrade+0x900/0x900 [ 1104.013340] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1104.018448] ? pvclock_read_flags+0x160/0x160 [ 1104.022944] ? lapic_next_event+0x5a/0x90 [ 1104.027094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.032632] ? kvm_clock_read+0x18/0x30 [ 1104.036600] ? kvm_sched_clock_read+0x9/0x20 [ 1104.041006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.046541] ? check_preemption_disabled+0x48/0x280 [ 1104.051562] irq_exit+0x17f/0x1c0 [ 1104.055011] smp_apic_timer_interrupt+0x1cb/0x760 [ 1104.059845] ? smp_reschedule_interrupt+0x109/0x650 [ 1104.064884] ? smp_call_function_single_interrupt+0x650/0x650 [ 1104.070765] ? interrupt_entry+0xb5/0xc0 [ 1104.075209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1104.080224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1104.085238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1104.090087] ? trace_hardirqs_on_caller+0x310/0x310 [ 1104.095097] ? trace_hardirqs_on_caller+0x310/0x310 [ 1104.100106] ? task_prio+0x50/0x50 [ 1104.103647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.109180] ? check_preemption_disabled+0x48/0x280 [ 1104.114199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1104.119048] apic_timer_interrupt+0xf/0x20 [ 1104.123280] [ 1104.125511] RIP: 0010:console_unlock+0x102f/0x1190 [ 1104.130451] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1104.149346] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1104.157051] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1104.164321] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1104.171583] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1104.178848] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1104.186111] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1104.193382] ? netconsole_netdev_event+0x280/0x280 [ 1104.198315] ? console_unlock+0x1026/0x1190 [ 1104.202650] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1104.207308] ? vprintk_emit+0x846/0x990 [ 1104.211284] ? lock_release+0xa00/0xa00 [ 1104.215252] ? trace_hardirqs_on+0x70/0x310 [ 1104.219569] ? vprintk_default+0x28/0x30 [ 1104.223630] ? trace_hardirqs_off_caller+0x310/0x310 [ 1104.228728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.234265] vprintk_emit+0x391/0x990 [ 1104.238071] ? wake_up_klogd+0x180/0x180 [ 1104.242143] ? find_held_lock+0x11/0x1c0 [ 1104.246206] ? mark_held_locks+0xc7/0x130 [ 1104.250354] ? _raw_spin_unlock_irq+0x27/0x80 [ 1104.254841] ? _raw_spin_unlock_irq+0x27/0x80 [ 1104.259338] vprintk_default+0x28/0x30 [ 1104.263229] vprintk_func+0x7e/0x181 [ 1104.266941] printk+0xa7/0xcf [ 1104.270044] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1104.274804] ? _raw_spin_unlock_irq+0x60/0x80 [ 1104.279304] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1104.284584] dump_header+0x7cc/0xf72 [ 1104.288304] ? pagefault_out_of_memory+0x197/0x197 [ 1104.293235] ? __lock_acquire+0x62f/0x4c20 [ 1104.297468] ? print_usage_bug+0xc0/0xc0 [ 1104.301532] ? zap_class+0x640/0x640 [ 1104.305247] ? print_usage_bug+0xc0/0xc0 [ 1104.309306] ? print_usage_bug+0xc0/0xc0 [ 1104.313366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.318901] ? find_held_lock+0x36/0x1c0 [ 1104.322966] ? mark_held_locks+0xc7/0x130 [ 1104.327110] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1104.332207] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1104.337304] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1104.341905] ? trace_hardirqs_on+0xbd/0x310 [ 1104.346222] ? kasan_check_read+0x11/0x20 [ 1104.350366] ? ___ratelimit+0x3b4/0x672 [ 1104.354334] ? trace_hardirqs_off_caller+0x310/0x310 [ 1104.359437] ? trace_hardirqs_on+0x310/0x310 [ 1104.363843] ? lock_downgrade+0x900/0x900 [ 1104.367989] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1104.373088] ? ___ratelimit+0x3b9/0x672 [ 1104.377063] ? idr_get_free+0xf70/0xf70 [ 1104.381034] ? find_held_lock+0x36/0x1c0 [ 1104.385102] oom_kill_process.cold.27+0x10/0x903 [ 1104.389862] ? zap_class+0x640/0x640 [ 1104.393575] ? check_preemption_disabled+0x48/0x280 [ 1104.398589] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1104.403510] ? kasan_check_read+0x11/0x20 [ 1104.407651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1104.412927] ? oom_evaluate_task+0x540/0x540 [ 1104.417332] ? find_held_lock+0x36/0x1c0 [ 1104.421485] ? out_of_memory+0x974/0x1430 [ 1104.425630] ? lock_downgrade+0x900/0x900 [ 1104.429770] ? check_preemption_disabled+0x48/0x280 [ 1104.434787] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1104.439711] ? kasan_check_read+0x11/0x20 [ 1104.443851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1104.449121] ? rcu_softirq_qs+0x20/0x20 [ 1104.453097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1104.458630] ? oom_evaluate_task+0x302/0x540 [ 1104.463044] out_of_memory+0xa84/0x1430 [ 1104.467025] ? oom_killer_disable+0x3a0/0x3a0 [ 1104.471524] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1104.476453] ? __ww_mutex_check_waiters+0x160/0x160 [ 1104.481475] __alloc_pages_slowpath+0x2354/0x2e10 [ 1104.486342] ? warn_alloc+0x120/0x120 [ 1104.490142] ? mark_held_locks+0x130/0x130 [ 1104.494380] ? find_get_entry+0xaae/0x1120 [ 1104.498625] ? filemap_map_pages+0x1a20/0x1a20 [ 1104.503210] ? zap_class+0x640/0x640 [ 1104.506924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1104.512456] ? check_preemption_disabled+0x48/0x280 [ 1104.517466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1104.522998] ? should_fail+0x22d/0xd01 [ 1104.527063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1104.532160] ? zap_class+0x640/0x640 [ 1104.535898] ? __lock_is_held+0xb5/0x140 [ 1104.539966] ? mark_held_locks+0x130/0x130 [ 1104.544198] ? lock_release+0xa00/0xa00 [ 1104.548170] ? perf_trace_sched_process_exec+0x860/0x860 [ 1104.553613] ? xa_load+0x2ba/0x460 [ 1104.557151] ? lock_downgrade+0x900/0x900 [ 1104.561299] ? __might_sleep+0x95/0x190 [ 1104.565277] __alloc_pages_nodemask+0xa80/0xde0 [ 1104.569947] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1104.574956] ? __page_cache_alloc+0x191/0x5c0 [ 1104.579445] ? xa_load+0x2e1/0x460 [ 1104.582981] ? xa_clear_mark+0x40/0x40 [ 1104.586866] ? zap_class+0x640/0x640 [ 1104.590580] ? zap_class+0x640/0x640 [ 1104.594289] ? zap_class+0x640/0x640 [ 1104.597996] ? __do_page_cache_readahead+0x663/0x810 [ 1104.603106] ? find_held_lock+0x36/0x1c0 [ 1104.607170] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1104.612716] alloc_pages_current+0x173/0x350 [ 1104.617127] __page_cache_alloc+0x38c/0x5c0 [ 1104.621443] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1104.626366] ? kasan_check_read+0x11/0x20 [ 1104.630516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1104.635790] ? generic_perform_write+0x6a0/0x6a0 [ 1104.640540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1104.646077] ? check_preemption_disabled+0x48/0x280 [ 1104.651097] filemap_fault+0x1595/0x25f0 [ 1104.655168] ? __lock_page_or_retry+0xa00/0xa00 [ 1104.659837] ? mark_held_locks+0x130/0x130 [ 1104.664075] ? filemap_map_pages+0xd6b/0x1a20 [ 1104.668565] ? lock_downgrade+0x900/0x900 [ 1104.672708] ? check_preemption_disabled+0x48/0x280 [ 1104.677720] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1104.682647] ? kasan_check_read+0x11/0x20 [ 1104.686789] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1104.692059] ? rcu_softirq_qs+0x20/0x20 [ 1104.696051] ? filemap_map_pages+0xd92/0x1a20 [ 1104.700554] ? find_get_entries_tag+0x1400/0x1400 [ 1104.705393] ? find_held_lock+0x36/0x1c0 [ 1104.709473] ? lock_acquire+0x1ed/0x520 [ 1104.713442] ? ext4_filemap_fault+0x7a/0xad [ 1104.717768] ? lock_release+0xa00/0xa00 [ 1104.721735] ? perf_trace_sched_process_exec+0x860/0x860 [ 1104.727184] ? print_usage_bug+0xc0/0xc0 [ 1104.731256] ? down_read+0x8d/0x120 [ 1104.734877] ? ext4_filemap_fault+0x7a/0xad [ 1104.739194] ? __down_interruptible+0x700/0x700 [ 1104.743860] ? find_held_lock+0x36/0x1c0 [ 1104.747921] ext4_filemap_fault+0x82/0xad [ 1104.752066] __do_fault+0x100/0x6b0 [ 1104.755689] ? lock_downgrade+0x900/0x900 [ 1104.759837] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1104.764940] ? kasan_check_read+0x11/0x20 [ 1104.769080] ? do_raw_spin_unlock+0xa7/0x330 [ 1104.773482] ? do_raw_spin_trylock+0x270/0x270 [ 1104.778077] __handle_mm_fault+0x3ea0/0x5be0 [ 1104.782482] ? perf_trace_lock+0x7a0/0x7a0 [ 1104.786717] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1104.791563] ? ksys_dup3+0x680/0x680 [ 1104.795294] ? zap_class+0x640/0x640 [ 1104.799000] ? zap_class+0x640/0x640 [ 1104.802714] ? __x64_sys_futex+0x53e/0x6a0 [ 1104.806947] ? find_held_lock+0x36/0x1c0 [ 1104.811018] ? handle_mm_fault+0x42a/0xc70 [ 1104.815250] ? lock_downgrade+0x900/0x900 [ 1104.819404] ? check_preemption_disabled+0x48/0x280 [ 1104.824419] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1104.829348] ? kasan_check_read+0x11/0x20 [ 1104.833490] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1104.838763] ? rcu_softirq_qs+0x20/0x20 [ 1104.842734] ? trace_hardirqs_off_caller+0x310/0x310 [ 1104.847926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1104.853457] ? check_preemption_disabled+0x48/0x280 [ 1104.858476] handle_mm_fault+0x54f/0xc70 [ 1104.862538] ? __handle_mm_fault+0x5be0/0x5be0 [ 1104.867122] ? find_vma+0x34/0x190 [ 1104.870676] __do_page_fault+0x5e8/0xe60 [ 1104.874734] ? trace_hardirqs_off+0xb8/0x310 [ 1104.879141] ? kernel_write+0x120/0x120 [ 1104.883122] do_page_fault+0xf2/0x7e0 [ 1104.886918] ? vmalloc_sync_all+0x30/0x30 [ 1104.891061] ? error_entry+0x70/0xd0 [ 1104.894772] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1104.899781] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1104.904703] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1104.910093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1104.914936] ? trace_hardirqs_on_caller+0x310/0x310 [ 1104.919945] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1104.925401] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1104.930416] ? page_fault+0x8/0x30 [ 1104.933958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1104.938797] ? page_fault+0x8/0x30 [ 1104.942343] page_fault+0x1e/0x30 [ 1104.945795] RIP: 0033:0x404068 [ 1104.949005] Code: Bad RIP value. [ 1104.952361] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1104.957720] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1104.964980] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1104.972246] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1104.979509] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1104.986770] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1104.994062] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1104.994067] warn_alloc_show_mem: 1 callbacks suppressed [ 1104.994075] Mem-Info: [ 1105.001337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1105.006702] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1105.006702] active_file:12 inactive_file:9 isolated_file:0 [ 1105.006702] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1105.006702] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1105.006702] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1105.006702] free:13627 free_pcp:121 free_cma:0 [ 1105.009074] Call Trace: [ 1105.018457] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1105.051407] dump_stack+0x244/0x39d [ 1105.053963] 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 [ 1105.082332] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1105.085922] lowmem_reserve[]: 0 2818 6321 6321 [ 1105.112148] warn_alloc.cold.116+0xb7/0x1bd [ 1105.117297] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1105.121870] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1105.126284] lowmem_reserve[]: 0 0 3503 3503 [ 1105.153607] ? lock_downgrade+0x900/0x900 [ 1105.158415] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1105.162736] ? trace_hardirqs_off+0xb8/0x310 [ 1105.166851] lowmem_reserve[]: 0 0 0 0 [ 1105.195569] ? trace_hardirqs_off+0xb8/0x310 [ 1105.199942] 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 [ 1105.203739] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1105.208119] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1105.221669] ? warn_alloc+0x120/0x120 [ 1105.226450] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1105.242056] ? warn_alloc+0x120/0x120 [ 1105.245831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1105.259253] ? dev_hard_start_xmit+0x42c/0xc80 [ 1105.263032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1105.271850] ? warn_alloc+0x120/0x120 [ 1105.276398] 4359 total pagecache pages [ 1105.284964] ? print_usage_bug+0xc0/0xc0 [ 1105.288747] 0 pages in swap cache [ 1105.292621] ? print_usage_bug+0xc0/0xc0 [ 1105.296655] Swap cache stats: add 0, delete 0, find 0/0 [ 1105.300096] ? cpuacct_charge+0x265/0x440 [ 1105.304125] Free swap = 0kB [ 1105.309476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1105.313601] Total swap = 0kB [ 1105.316610] ? should_fail+0x22d/0xd01 [ 1105.322116] 1965979 pages RAM [ 1105.325211] ? find_held_lock+0x36/0x1c0 [ 1105.329072] 0 pages HighMem/MovableOnly [ 1105.332164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1105.336192] 342854 pages reserved [ 1105.336200] 0 pages cma reserved [ 1105.340159] ? __lock_acquire+0x62f/0x4c20 [ 1105.345298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1105.348688] ? should_fail+0x22d/0xd01 [ 1105.348703] ? __update_load_avg_blocked_se+0x690/0x690 [ 1105.348728] ? mark_held_locks+0x130/0x130 [ 1105.352111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1105.356287] ? mark_held_locks+0x130/0x130 [ 1105.362765] syz-fuzzer cpuset=/ mems_allowed=0 [ 1105.366644] ? __lock_acquire+0x62f/0x4c20 [ 1105.399409] ? update_load_avg+0x387/0x2470 [ 1105.403730] ? zap_class+0x640/0x640 [ 1105.407451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1105.412995] ? check_preemption_disabled+0x48/0x280 [ 1105.418016] ? __lock_is_held+0xb5/0x140 [ 1105.422084] __alloc_pages_nodemask+0xa80/0xde0 [ 1105.426750] ? zap_class+0x640/0x640 [ 1105.430470] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1105.435493] ? find_held_lock+0x36/0x1c0 [ 1105.439561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1105.444232] ? lock_downgrade+0x900/0x900 [ 1105.448383] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1105.453932] cache_grow_begin+0xa5/0x8c0 [ 1105.457998] ? do_raw_spin_unlock+0xa7/0x330 [ 1105.462415] fallback_alloc+0x204/0x2e0 [ 1105.466396] ____cache_alloc_node+0x1c7/0x1e0 [ 1105.470896] kmem_cache_alloc+0x1f8/0x730 [ 1105.475055] skb_clone+0x1bb/0x500 [ 1105.478598] ? finish_task_switch+0x2f4/0x910 [ 1105.483089] ? skb_split+0x11e0/0x11e0 [ 1105.486984] ? preempt_notifier_register+0x200/0x200 [ 1105.492084] ? __switch_to_asm+0x34/0x70 [ 1105.496140] ? __switch_to_asm+0x34/0x70 [ 1105.500198] ? __switch_to_asm+0x40/0x70 [ 1105.504257] ? __switch_to_asm+0x34/0x70 [ 1105.508316] ? __switch_to_asm+0x40/0x70 [ 1105.512376] ? __switch_to_asm+0x34/0x70 [ 1105.516433] ? __switch_to_asm+0x40/0x70 [ 1105.520488] ? __switch_to_asm+0x34/0x70 [ 1105.524545] ? __switch_to_asm+0x34/0x70 [ 1105.528598] ? __switch_to_asm+0x40/0x70 [ 1105.532651] ? __switch_to_asm+0x34/0x70 [ 1105.536720] bpf_clone_redirect+0xb9/0x490 [ 1105.540966] ? __schedule+0x8d7/0x21d0 [ 1105.544863] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1105.549877] ? __sched_text_start+0x8/0x8 [ 1105.554034] ? find_held_lock+0x36/0x1c0 [ 1105.558102] ? lock_acquire+0x1ed/0x520 [ 1105.562073] ? bpf_test_run+0x3cb/0x780 [ 1105.566045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1105.571579] ? check_preemption_disabled+0x48/0x280 [ 1105.576599] ? kasan_check_read+0x11/0x20 [ 1105.580740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1105.586011] ? rcu_softirq_qs+0x20/0x20 [ 1105.589986] ? preempt_schedule+0x4d/0x60 [ 1105.594129] ? ___preempt_schedule+0x16/0x18 [ 1105.598546] ? bpf_test_run+0x25d/0x780 [ 1105.602533] ? netlink_diag_dump+0x2a0/0x2a0 [ 1105.606940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1105.612483] ? bpf_test_init.isra.10+0x70/0x100 [ 1105.617157] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1105.621922] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1105.626768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1105.632304] ? fput+0x130/0x1a0 [ 1105.635584] ? __bpf_prog_get+0x9b/0x290 [ 1105.639646] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1105.644482] ? bpf_prog_test_run+0x130/0x1a0 [ 1105.648893] ? __x64_sys_bpf+0x3d8/0x520 [ 1105.652958] ? bpf_prog_get+0x20/0x20 [ 1105.656782] ? do_syscall_64+0x1b9/0x820 [ 1105.660844] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1105.666210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1105.671143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1105.676003] ? trace_hardirqs_on_caller+0x310/0x310 [ 1105.681015] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1105.686033] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1105.691052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1105.695902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1105.701281] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1105.708299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1105.710316] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1105.717658] Call Trace: [ 1105.728130] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1105.730696] [ 1105.737923] dump_stack+0x244/0x39d [ 1105.741562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1105.746758] warn_alloc.cold.116+0xb7/0x1bd [ 1105.751083] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1105.755927] ? lock_downgrade+0x900/0x900 [ 1105.760084] ? trace_hardirqs_off+0xb8/0x310 [ 1105.764497] ? trace_hardirqs_off+0xb8/0x310 [ 1105.768906] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1105.773776] ? warn_alloc+0x120/0x120 [ 1105.777571] ? print_usage_bug+0xc0/0xc0 [ 1105.781627] ? warn_alloc+0x120/0x120 [ 1105.785430] ? warn_alloc+0x120/0x120 [ 1105.789230] ? print_usage_bug+0xc0/0xc0 [ 1105.793289] ? print_usage_bug+0xc0/0xc0 [ 1105.797352] ? __lock_acquire+0x62f/0x4c20 [ 1105.801587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1105.807120] ? should_fail+0x22d/0xd01 [ 1105.811009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1105.816110] ? __lock_acquire+0x62f/0x4c20 [ 1105.820348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1105.825444] ? __lock_acquire+0x62f/0x4c20 [ 1105.829671] ? should_fail+0x22d/0xd01 [ 1105.833551] ? find_held_lock+0x36/0x1c0 [ 1105.837616] ? mark_held_locks+0x130/0x130 [ 1105.841849] ? mark_held_locks+0x130/0x130 [ 1105.846077] ? zap_class+0x640/0x640 [ 1105.849790] ? zap_class+0x640/0x640 [ 1105.853507] ? print_usage_bug+0xc0/0xc0 [ 1105.857559] ? do_raw_spin_unlock+0xa7/0x330 [ 1105.861962] ? zap_class+0x640/0x640 [ 1105.865670] ? print_usage_bug+0xc0/0xc0 [ 1105.869723] ? wq_watchdog_touch+0x9c/0xfe [ 1105.873962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1105.879493] ? check_preemption_disabled+0x48/0x280 [ 1105.884516] ? __lock_is_held+0xb5/0x140 [ 1105.888576] __alloc_pages_nodemask+0xa80/0xde0 [ 1105.893243] ? zap_class+0x640/0x640 [ 1105.896965] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1105.901992] ? find_held_lock+0x36/0x1c0 [ 1105.906056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1105.910720] ? lock_downgrade+0x900/0x900 [ 1105.914869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1105.920404] cache_grow_begin+0xa5/0x8c0 [ 1105.924460] ? do_raw_spin_unlock+0xa7/0x330 [ 1105.928874] fallback_alloc+0x204/0x2e0 [ 1105.932847] ____cache_alloc_node+0x1c7/0x1e0 [ 1105.937347] kmem_cache_alloc_node+0xe3/0x730 [ 1105.941835] ? ipv6_get_ifaddr+0x42e/0x620 [ 1105.946073] __alloc_skb+0x119/0x770 [ 1105.949784] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1105.955062] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1105.959465] ? lock_downgrade+0x900/0x900 [ 1105.963613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1105.969144] ? refcount_sub_and_test_checked+0x203/0x310 [ 1105.974592] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1105.980038] ? addrconf_rs_timer+0x690/0x690 [ 1105.984456] ndisc_alloc_skb+0x144/0x340 [ 1105.988528] ndisc_send_rs+0x331/0x6e0 [ 1105.992419] addrconf_rs_timer+0x314/0x690 [ 1105.996656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1106.000894] call_timer_fn+0x272/0x920 [ 1106.004779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1106.009012] ? process_timeout+0x40/0x40 [ 1106.013078] ? mark_held_locks+0xc7/0x130 [ 1106.017223] ? _raw_spin_unlock_irq+0x27/0x80 [ 1106.021712] ? _raw_spin_unlock_irq+0x27/0x80 [ 1106.026200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1106.030428] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1106.035011] ? trace_hardirqs_on+0xbd/0x310 [ 1106.039326] ? kasan_check_read+0x11/0x20 [ 1106.043468] ? __run_timers+0x7da/0xc70 [ 1106.047441] ? trace_hardirqs_off_caller+0x310/0x310 [ 1106.052542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1106.056778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1106.061004] __run_timers+0x7e5/0xc70 [ 1106.064808] ? timer_fixup_init+0x70/0x70 [ 1106.068953] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1106.074300] ? zap_class+0x640/0x640 [ 1106.078016] ? print_usage_bug+0xc0/0xc0 [ 1106.082076] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1106.087266] ? find_held_lock+0x36/0x1c0 [ 1106.091331] ? zap_class+0x640/0x640 [ 1106.095047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.100579] ? check_preemption_disabled+0x48/0x280 [ 1106.105597] ? __lock_is_held+0xb5/0x140 [ 1106.109654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.115188] ? check_preemption_disabled+0x48/0x280 [ 1106.120208] run_timer_softirq+0x52/0xb0 [ 1106.124263] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1106.129290] __do_softirq+0x308/0xb7e [ 1106.133090] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1106.137579] ? lock_downgrade+0x900/0x900 [ 1106.141725] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1106.146835] ? pvclock_read_flags+0x160/0x160 [ 1106.151328] ? lapic_next_event+0x5a/0x90 [ 1106.155471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.161008] ? kvm_clock_read+0x18/0x30 [ 1106.164979] ? kvm_sched_clock_read+0x9/0x20 [ 1106.169388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.174930] ? check_preemption_disabled+0x48/0x280 [ 1106.179949] irq_exit+0x17f/0x1c0 [ 1106.183396] smp_apic_timer_interrupt+0x1cb/0x760 [ 1106.188230] ? smp_reschedule_interrupt+0x109/0x650 [ 1106.193243] ? smp_call_function_single_interrupt+0x650/0x650 [ 1106.199125] ? interrupt_entry+0xb5/0xc0 [ 1106.203185] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1106.208196] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1106.213209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1106.218047] ? trace_hardirqs_on_caller+0x310/0x310 [ 1106.223061] ? trace_hardirqs_on_caller+0x310/0x310 [ 1106.228071] ? task_prio+0x50/0x50 [ 1106.231607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.237150] ? check_preemption_disabled+0x48/0x280 [ 1106.242165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1106.247008] apic_timer_interrupt+0xf/0x20 [ 1106.251232] [ 1106.253471] RIP: 0010:console_unlock+0x102f/0x1190 [ 1106.258398] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1106.277294] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1106.284994] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1106.292262] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1106.299532] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1106.306814] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1106.314078] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1106.321355] ? netconsole_netdev_event+0x280/0x280 [ 1106.326289] ? console_unlock+0x1026/0x1190 [ 1106.330631] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1106.335290] ? vprintk_emit+0x846/0x990 [ 1106.339264] ? lock_release+0xa00/0xa00 [ 1106.343233] ? trace_hardirqs_on+0x70/0x310 [ 1106.347724] ? vprintk_default+0x28/0x30 [ 1106.351779] ? trace_hardirqs_off_caller+0x310/0x310 [ 1106.356882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.362429] vprintk_emit+0x391/0x990 [ 1106.366267] ? wake_up_klogd+0x180/0x180 [ 1106.370333] ? find_held_lock+0x11/0x1c0 [ 1106.374396] ? mark_held_locks+0xc7/0x130 [ 1106.378538] ? _raw_spin_unlock_irq+0x27/0x80 [ 1106.383030] ? _raw_spin_unlock_irq+0x27/0x80 [ 1106.387531] vprintk_default+0x28/0x30 [ 1106.391415] vprintk_func+0x7e/0x181 [ 1106.395127] printk+0xa7/0xcf [ 1106.398228] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1106.402986] ? _raw_spin_unlock_irq+0x60/0x80 [ 1106.407492] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1106.412770] dump_header+0x7cc/0xf72 [ 1106.416487] ? pagefault_out_of_memory+0x197/0x197 [ 1106.421421] ? __lock_acquire+0x62f/0x4c20 [ 1106.425653] ? print_usage_bug+0xc0/0xc0 [ 1106.429715] ? zap_class+0x640/0x640 [ 1106.433429] ? print_usage_bug+0xc0/0xc0 [ 1106.437488] ? print_usage_bug+0xc0/0xc0 [ 1106.441545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.447080] ? find_held_lock+0x36/0x1c0 [ 1106.451144] ? mark_held_locks+0xc7/0x130 [ 1106.455461] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1106.460561] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1106.465659] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1106.470237] ? trace_hardirqs_on+0xbd/0x310 [ 1106.474563] ? kasan_check_read+0x11/0x20 [ 1106.478705] ? ___ratelimit+0x3b4/0x672 [ 1106.482682] ? trace_hardirqs_off_caller+0x310/0x310 [ 1106.487783] ? trace_hardirqs_on+0x310/0x310 [ 1106.492188] ? lock_downgrade+0x900/0x900 [ 1106.496338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1106.501436] ? ___ratelimit+0x3b9/0x672 [ 1106.505409] ? idr_get_free+0xf70/0xf70 [ 1106.509379] ? find_held_lock+0x36/0x1c0 [ 1106.513447] oom_kill_process.cold.27+0x10/0x903 [ 1106.518196] ? zap_class+0x640/0x640 [ 1106.521909] ? check_preemption_disabled+0x48/0x280 [ 1106.526922] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1106.531844] ? kasan_check_read+0x11/0x20 [ 1106.535993] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1106.541268] ? oom_evaluate_task+0x540/0x540 [ 1106.545672] ? find_held_lock+0x36/0x1c0 [ 1106.549737] ? out_of_memory+0x974/0x1430 [ 1106.553890] ? lock_downgrade+0x900/0x900 [ 1106.558031] ? check_preemption_disabled+0x48/0x280 [ 1106.563043] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1106.567967] ? kasan_check_read+0x11/0x20 [ 1106.572111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1106.577380] ? rcu_softirq_qs+0x20/0x20 [ 1106.581353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1106.586887] ? oom_evaluate_task+0x302/0x540 [ 1106.591294] out_of_memory+0xa84/0x1430 [ 1106.595275] ? oom_killer_disable+0x3a0/0x3a0 [ 1106.599766] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1106.604695] ? __ww_mutex_check_waiters+0x160/0x160 [ 1106.609721] __alloc_pages_slowpath+0x2354/0x2e10 [ 1106.614587] ? warn_alloc+0x120/0x120 [ 1106.618380] ? mark_held_locks+0x130/0x130 [ 1106.622613] ? find_get_entry+0xaae/0x1120 [ 1106.626857] ? filemap_map_pages+0x1a20/0x1a20 [ 1106.631445] ? zap_class+0x640/0x640 [ 1106.635159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1106.640692] ? check_preemption_disabled+0x48/0x280 [ 1106.645703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1106.651239] ? should_fail+0x22d/0xd01 [ 1106.655125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1106.660224] ? zap_class+0x640/0x640 [ 1106.663982] ? __lock_is_held+0xb5/0x140 [ 1106.668047] ? mark_held_locks+0x130/0x130 [ 1106.672283] ? lock_release+0xa00/0xa00 [ 1106.676255] ? perf_trace_sched_process_exec+0x860/0x860 [ 1106.681702] ? xa_load+0x2ba/0x460 [ 1106.685243] ? lock_downgrade+0x900/0x900 [ 1106.689393] ? __might_sleep+0x95/0x190 [ 1106.693366] __alloc_pages_nodemask+0xa80/0xde0 [ 1106.698035] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1106.703047] ? __page_cache_alloc+0x191/0x5c0 [ 1106.707538] ? xa_load+0x2e1/0x460 [ 1106.711074] ? xa_clear_mark+0x40/0x40 [ 1106.714958] ? zap_class+0x640/0x640 [ 1106.718676] ? zap_class+0x640/0x640 [ 1106.722382] ? zap_class+0x640/0x640 [ 1106.726096] ? __do_page_cache_readahead+0x663/0x810 [ 1106.731199] ? find_held_lock+0x36/0x1c0 [ 1106.735261] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1106.740802] alloc_pages_current+0x173/0x350 [ 1106.745213] __page_cache_alloc+0x38c/0x5c0 [ 1106.749530] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1106.754549] ? kasan_check_read+0x11/0x20 [ 1106.758690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1106.763963] ? generic_perform_write+0x6a0/0x6a0 [ 1106.768714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1106.774255] ? check_preemption_disabled+0x48/0x280 [ 1106.779273] filemap_fault+0x1595/0x25f0 [ 1106.783344] ? __lock_page_or_retry+0xa00/0xa00 [ 1106.788013] ? mark_held_locks+0x130/0x130 [ 1106.792255] ? filemap_map_pages+0xd6b/0x1a20 [ 1106.796749] ? lock_downgrade+0x900/0x900 [ 1106.800893] ? check_preemption_disabled+0x48/0x280 [ 1106.805905] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1106.810830] ? kasan_check_read+0x11/0x20 [ 1106.814982] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1106.820252] ? rcu_softirq_qs+0x20/0x20 [ 1106.824238] ? filemap_map_pages+0xd92/0x1a20 [ 1106.828741] ? find_get_entries_tag+0x1400/0x1400 [ 1106.833579] ? find_held_lock+0x36/0x1c0 [ 1106.837655] ? lock_acquire+0x1ed/0x520 [ 1106.841623] ? ext4_filemap_fault+0x7a/0xad [ 1106.845945] ? lock_release+0xa00/0xa00 [ 1106.849913] ? perf_trace_sched_process_exec+0x860/0x860 [ 1106.855358] ? print_usage_bug+0xc0/0xc0 [ 1106.859428] ? down_read+0x8d/0x120 [ 1106.863054] ? ext4_filemap_fault+0x7a/0xad [ 1106.867371] ? __down_interruptible+0x700/0x700 [ 1106.872039] ? find_held_lock+0x36/0x1c0 [ 1106.876102] ext4_filemap_fault+0x82/0xad [ 1106.880245] __do_fault+0x100/0x6b0 [ 1106.883877] ? lock_downgrade+0x900/0x900 [ 1106.888024] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1106.893132] ? kasan_check_read+0x11/0x20 [ 1106.897273] ? do_raw_spin_unlock+0xa7/0x330 [ 1106.901678] ? do_raw_spin_trylock+0x270/0x270 [ 1106.906734] __handle_mm_fault+0x3ea0/0x5be0 [ 1106.911142] ? perf_trace_lock+0x7a0/0x7a0 [ 1106.915380] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1106.920232] ? ksys_dup3+0x680/0x680 [ 1106.923957] ? zap_class+0x640/0x640 [ 1106.927663] ? zap_class+0x640/0x640 [ 1106.931374] ? __x64_sys_futex+0x53e/0x6a0 [ 1106.935608] ? find_held_lock+0x36/0x1c0 [ 1106.939672] ? handle_mm_fault+0x42a/0xc70 [ 1106.943906] ? lock_downgrade+0x900/0x900 [ 1106.948139] ? check_preemption_disabled+0x48/0x280 [ 1106.953154] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1106.958083] ? kasan_check_read+0x11/0x20 [ 1106.962235] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1106.967505] ? rcu_softirq_qs+0x20/0x20 [ 1106.971473] ? trace_hardirqs_off_caller+0x310/0x310 [ 1106.976571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1106.982106] ? check_preemption_disabled+0x48/0x280 [ 1106.987122] handle_mm_fault+0x54f/0xc70 [ 1106.991183] ? __handle_mm_fault+0x5be0/0x5be0 [ 1106.995767] ? find_vma+0x34/0x190 [ 1106.999305] __do_page_fault+0x5e8/0xe60 [ 1107.003361] ? trace_hardirqs_off+0xb8/0x310 [ 1107.007764] ? kernel_write+0x120/0x120 [ 1107.011743] do_page_fault+0xf2/0x7e0 [ 1107.015540] ? vmalloc_sync_all+0x30/0x30 [ 1107.019691] ? error_entry+0x70/0xd0 [ 1107.023400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1107.028412] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1107.033335] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1107.038256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1107.043094] ? trace_hardirqs_on_caller+0x310/0x310 [ 1107.048104] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1107.053551] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1107.058564] ? page_fault+0x8/0x30 [ 1107.062106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1107.066945] ? page_fault+0x8/0x30 [ 1107.070485] page_fault+0x1e/0x30 [ 1107.073932] RIP: 0033:0x404068 [ 1107.077144] Code: Bad RIP value. [ 1107.080502] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1107.085948] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1107.093216] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1107.100481] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1107.107741] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1107.115015] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1107.122302] warn_alloc_show_mem: 1 callbacks suppressed [ 1107.122313] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1107.122314] Mem-Info: [ 1107.122344] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1107.122344] active_file:12 inactive_file:9 isolated_file:0 [ 1107.122344] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1107.122344] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1107.122344] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1107.122344] free:13627 free_pcp:121 free_cma:0 [ 1107.127683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1107.134954] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1107.137341] Call Trace: [ 1107.170200] 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 [ 1107.179551] dump_stack+0x244/0x39d [ 1107.207270] lowmem_reserve[]: 0 2818 6321 6321 [ 1107.209860] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1107.235934] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1107.239564] warn_alloc.cold.116+0xb7/0x1bd [ 1107.244105] lowmem_reserve[]: 0 0 3503 3503 [ 1107.249288] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1107.276696] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1107.281015] ? lock_downgrade+0x900/0x900 [ 1107.285300] lowmem_reserve[]: 0 0 0 0 [ 1107.290135] ? trace_hardirqs_off+0xb8/0x310 [ 1107.318823] 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 [ 1107.322969] ? trace_hardirqs_off+0xb8/0x310 [ 1107.326726] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1107.331142] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1107.344627] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1107.349057] ? warn_alloc+0x120/0x120 [ 1107.364699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1107.369531] ? warn_alloc+0x120/0x120 [ 1107.382940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1107.386724] ? dev_hard_start_xmit+0x42c/0xc80 [ 1107.395528] 4359 total pagecache pages [ 1107.399319] ? warn_alloc+0x120/0x120 [ 1107.407875] 0 pages in swap cache [ 1107.412438] ? print_usage_bug+0xc0/0xc0 [ 1107.416300] Swap cache stats: add 0, delete 0, find 0/0 [ 1107.420084] ? find_held_lock+0x36/0x1c0 [ 1107.423510] Free swap = 0kB [ 1107.427557] ? print_usage_bug+0xc0/0xc0 [ 1107.432889] Total swap = 0kB [ 1107.436941] ? cpuacct_charge+0x265/0x440 [ 1107.439928] 1965979 pages RAM [ 1107.443976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1107.446961] 0 pages HighMem/MovableOnly [ 1107.451095] ? should_fail+0x22d/0xd01 [ 1107.454162] 342854 pages reserved [ 1107.454171] 0 pages cma reserved [ 1107.459697] ? find_held_lock+0x36/0x1c0 [ 1107.463691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1107.467520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1107.467535] ? __lock_acquire+0x62f/0x4c20 [ 1107.467556] ? should_fail+0x22d/0xd01 [ 1107.471026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1107.474341] ? mark_held_locks+0x130/0x130 [ 1107.478366] syz-fuzzer cpuset=/ mems_allowed=0 [ 1107.484845] ? mark_held_locks+0x130/0x130 [ 1107.521243] ? __lock_acquire+0x62f/0x4c20 [ 1107.525483] ? zap_class+0x640/0x640 [ 1107.529193] ? __lock_is_held+0xb5/0x140 [ 1107.533255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1107.538801] ? check_preemption_disabled+0x48/0x280 [ 1107.543834] ? __lock_is_held+0xb5/0x140 [ 1107.547900] __alloc_pages_nodemask+0xa80/0xde0 [ 1107.552564] ? zap_class+0x640/0x640 [ 1107.556279] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1107.561303] ? find_held_lock+0x36/0x1c0 [ 1107.565374] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1107.570044] ? lock_downgrade+0x900/0x900 [ 1107.574198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1107.579738] cache_grow_begin+0xa5/0x8c0 [ 1107.583804] ? do_raw_spin_unlock+0xa7/0x330 [ 1107.588220] fallback_alloc+0x204/0x2e0 [ 1107.592199] ____cache_alloc_node+0x1c7/0x1e0 [ 1107.596695] kmem_cache_alloc+0x1f8/0x730 [ 1107.600853] skb_clone+0x1bb/0x500 [ 1107.604390] ? finish_task_switch+0x2f4/0x910 [ 1107.608884] ? skb_split+0x11e0/0x11e0 [ 1107.612770] ? preempt_notifier_register+0x200/0x200 [ 1107.617872] ? __switch_to_asm+0x34/0x70 [ 1107.621928] ? __switch_to_asm+0x34/0x70 [ 1107.625982] ? __switch_to_asm+0x40/0x70 [ 1107.630039] ? __switch_to_asm+0x34/0x70 [ 1107.634098] ? __switch_to_asm+0x40/0x70 [ 1107.638152] ? __switch_to_asm+0x34/0x70 [ 1107.642211] ? __switch_to_asm+0x40/0x70 [ 1107.646266] ? __switch_to_asm+0x34/0x70 [ 1107.650327] ? __switch_to_asm+0x34/0x70 [ 1107.654381] ? __switch_to_asm+0x40/0x70 [ 1107.658440] ? __switch_to_asm+0x34/0x70 [ 1107.662515] bpf_clone_redirect+0xb9/0x490 [ 1107.666750] ? __schedule+0x8d7/0x21d0 [ 1107.670643] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1107.675668] ? __sched_text_start+0x8/0x8 [ 1107.679835] ? find_held_lock+0x36/0x1c0 [ 1107.683917] ? lock_acquire+0x1ed/0x520 [ 1107.687889] ? bpf_test_run+0x3cb/0x780 [ 1107.691877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1107.697414] ? check_preemption_disabled+0x48/0x280 [ 1107.702436] ? kasan_check_read+0x11/0x20 [ 1107.706580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1107.711858] ? rcu_softirq_qs+0x20/0x20 [ 1107.715832] ? preempt_schedule+0x4d/0x60 [ 1107.719983] ? ___preempt_schedule+0x16/0x18 [ 1107.724401] ? bpf_test_run+0x25d/0x780 [ 1107.728384] ? netlink_diag_dump+0x2a0/0x2a0 [ 1107.732803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1107.738339] ? bpf_test_init.isra.10+0x70/0x100 [ 1107.743014] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1107.747796] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1107.752636] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1107.758175] ? fput+0x130/0x1a0 [ 1107.761453] ? __bpf_prog_get+0x9b/0x290 [ 1107.765521] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1107.770358] ? bpf_prog_test_run+0x130/0x1a0 [ 1107.774770] ? __x64_sys_bpf+0x3d8/0x520 [ 1107.778835] ? bpf_prog_get+0x20/0x20 [ 1107.782659] ? do_syscall_64+0x1b9/0x820 [ 1107.786715] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1107.792082] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1107.797008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1107.801853] ? trace_hardirqs_on_caller+0x310/0x310 [ 1107.806872] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1107.811890] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1107.816909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1107.821756] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1107.827147] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1107.832073] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1107.834164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1107.844638] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1107.853970] Call Trace: [ 1107.861623] [ 1107.863786] dump_stack+0x244/0x39d [ 1107.867417] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1107.872614] warn_alloc.cold.116+0xb7/0x1bd [ 1107.876935] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1107.881784] ? lock_downgrade+0x900/0x900 [ 1107.885935] ? trace_hardirqs_off+0xb8/0x310 [ 1107.890346] ? trace_hardirqs_off+0xb8/0x310 [ 1107.894759] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1107.899631] ? warn_alloc+0x120/0x120 [ 1107.903429] ? print_usage_bug+0xc0/0xc0 [ 1107.908615] ? warn_alloc+0x120/0x120 [ 1107.912414] ? warn_alloc+0x120/0x120 [ 1107.916209] ? print_usage_bug+0xc0/0xc0 [ 1107.920270] ? print_usage_bug+0xc0/0xc0 [ 1107.924331] ? __lock_acquire+0x62f/0x4c20 [ 1107.928567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1107.934103] ? should_fail+0x22d/0xd01 [ 1107.937996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1107.943107] ? __lock_acquire+0x62f/0x4c20 [ 1107.947342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1107.952439] ? __lock_acquire+0x62f/0x4c20 [ 1107.956666] ? should_fail+0x22d/0xd01 [ 1107.960547] ? find_held_lock+0x36/0x1c0 [ 1107.964609] ? mark_held_locks+0x130/0x130 [ 1107.968847] ? mark_held_locks+0x130/0x130 [ 1107.973075] ? zap_class+0x640/0x640 [ 1107.976790] ? zap_class+0x640/0x640 [ 1107.980500] ? print_usage_bug+0xc0/0xc0 [ 1107.984557] ? do_raw_spin_unlock+0xa7/0x330 [ 1107.988962] ? zap_class+0x640/0x640 [ 1107.992668] ? print_usage_bug+0xc0/0xc0 [ 1107.996725] ? wq_watchdog_touch+0x9c/0xfe [ 1108.000963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.006499] ? check_preemption_disabled+0x48/0x280 [ 1108.011522] ? __lock_is_held+0xb5/0x140 [ 1108.015586] __alloc_pages_nodemask+0xa80/0xde0 [ 1108.020249] ? zap_class+0x640/0x640 [ 1108.023961] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1108.028982] ? find_held_lock+0x36/0x1c0 [ 1108.033051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1108.038153] ? lock_downgrade+0x900/0x900 [ 1108.042304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.047843] cache_grow_begin+0xa5/0x8c0 [ 1108.051899] ? do_raw_spin_unlock+0xa7/0x330 [ 1108.056312] fallback_alloc+0x204/0x2e0 [ 1108.060290] ____cache_alloc_node+0x1c7/0x1e0 [ 1108.064792] kmem_cache_alloc_node+0xe3/0x730 [ 1108.069283] ? ipv6_get_ifaddr+0x42e/0x620 [ 1108.073896] __alloc_skb+0x119/0x770 [ 1108.077607] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1108.082887] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1108.087299] ? lock_downgrade+0x900/0x900 [ 1108.091450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.096981] ? refcount_sub_and_test_checked+0x203/0x310 [ 1108.102430] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1108.107878] ? addrconf_rs_timer+0x690/0x690 [ 1108.112296] ndisc_alloc_skb+0x144/0x340 [ 1108.116355] ndisc_send_rs+0x331/0x6e0 [ 1108.120242] addrconf_rs_timer+0x314/0x690 [ 1108.124481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1108.128721] call_timer_fn+0x272/0x920 [ 1108.132609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1108.136841] ? process_timeout+0x40/0x40 [ 1108.140905] ? mark_held_locks+0xc7/0x130 [ 1108.145054] ? _raw_spin_unlock_irq+0x27/0x80 [ 1108.149540] ? _raw_spin_unlock_irq+0x27/0x80 [ 1108.154030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1108.158260] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1108.162838] ? trace_hardirqs_on+0xbd/0x310 [ 1108.167162] ? kasan_check_read+0x11/0x20 [ 1108.171301] ? __run_timers+0x7da/0xc70 [ 1108.175273] ? trace_hardirqs_off_caller+0x310/0x310 [ 1108.180379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1108.184616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1108.188846] __run_timers+0x7e5/0xc70 [ 1108.192655] ? timer_fixup_init+0x70/0x70 [ 1108.196800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1108.201815] ? zap_class+0x640/0x640 [ 1108.205526] ? print_usage_bug+0xc0/0xc0 [ 1108.209584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1108.214782] ? find_held_lock+0x36/0x1c0 [ 1108.218842] ? zap_class+0x640/0x640 [ 1108.222564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.228098] ? check_preemption_disabled+0x48/0x280 [ 1108.233125] ? __lock_is_held+0xb5/0x140 [ 1108.237185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.242719] ? check_preemption_disabled+0x48/0x280 [ 1108.247752] run_timer_softirq+0x52/0xb0 [ 1108.251806] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1108.256817] __do_softirq+0x308/0xb7e [ 1108.260617] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1108.265109] ? lock_downgrade+0x900/0x900 [ 1108.269266] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1108.274371] ? pvclock_read_flags+0x160/0x160 [ 1108.278865] ? lapic_next_event+0x5a/0x90 [ 1108.283008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.288545] ? kvm_clock_read+0x18/0x30 [ 1108.292512] ? kvm_sched_clock_read+0x9/0x20 [ 1108.296917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.302453] ? check_preemption_disabled+0x48/0x280 [ 1108.307474] irq_exit+0x17f/0x1c0 [ 1108.310924] smp_apic_timer_interrupt+0x1cb/0x760 [ 1108.315761] ? smp_reschedule_interrupt+0x109/0x650 [ 1108.320774] ? smp_call_function_single_interrupt+0x650/0x650 [ 1108.326827] ? interrupt_entry+0xb5/0xc0 [ 1108.330887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1108.335916] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1108.340931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.345774] ? trace_hardirqs_on_caller+0x310/0x310 [ 1108.350788] ? trace_hardirqs_on_caller+0x310/0x310 [ 1108.355797] ? task_prio+0x50/0x50 [ 1108.359336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.364869] ? check_preemption_disabled+0x48/0x280 [ 1108.369889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1108.374741] apic_timer_interrupt+0xf/0x20 [ 1108.378964] [ 1108.381197] RIP: 0010:console_unlock+0x102f/0x1190 [ 1108.386135] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1108.405028] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1108.412738] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1108.420001] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1108.427263] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1108.434540] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1108.441893] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1108.449256] ? netconsole_netdev_event+0x280/0x280 [ 1108.454188] ? console_unlock+0x1026/0x1190 [ 1108.458526] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1108.463190] ? vprintk_emit+0x846/0x990 [ 1108.467160] ? lock_release+0xa00/0xa00 [ 1108.471132] ? trace_hardirqs_on+0x70/0x310 [ 1108.475449] ? vprintk_default+0x28/0x30 [ 1108.479506] ? trace_hardirqs_off_caller+0x310/0x310 [ 1108.484607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.490149] vprintk_emit+0x391/0x990 [ 1108.493953] ? wake_up_klogd+0x180/0x180 [ 1108.498020] ? find_held_lock+0x11/0x1c0 [ 1108.502089] ? mark_held_locks+0xc7/0x130 [ 1108.506231] ? _raw_spin_unlock_irq+0x27/0x80 [ 1108.510728] ? _raw_spin_unlock_irq+0x27/0x80 [ 1108.515226] vprintk_default+0x28/0x30 [ 1108.519115] vprintk_func+0x7e/0x181 [ 1108.522825] printk+0xa7/0xcf [ 1108.525930] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1108.530684] ? _raw_spin_unlock_irq+0x60/0x80 [ 1108.535191] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1108.540473] dump_header+0x7cc/0xf72 [ 1108.544195] ? pagefault_out_of_memory+0x197/0x197 [ 1108.549130] ? __lock_acquire+0x62f/0x4c20 [ 1108.553365] ? print_usage_bug+0xc0/0xc0 [ 1108.557427] ? zap_class+0x640/0x640 [ 1108.561141] ? print_usage_bug+0xc0/0xc0 [ 1108.565202] ? print_usage_bug+0xc0/0xc0 [ 1108.569261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.574802] ? find_held_lock+0x36/0x1c0 [ 1108.578865] ? mark_held_locks+0xc7/0x130 [ 1108.583010] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1108.588110] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1108.593209] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1108.597786] ? trace_hardirqs_on+0xbd/0x310 [ 1108.602106] ? kasan_check_read+0x11/0x20 [ 1108.606248] ? ___ratelimit+0x3b4/0x672 [ 1108.610217] ? trace_hardirqs_off_caller+0x310/0x310 [ 1108.615317] ? trace_hardirqs_on+0x310/0x310 [ 1108.619728] ? lock_downgrade+0x900/0x900 [ 1108.623879] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1108.628977] ? ___ratelimit+0x3b9/0x672 [ 1108.632947] ? idr_get_free+0xf70/0xf70 [ 1108.636918] ? find_held_lock+0x36/0x1c0 [ 1108.640988] oom_kill_process.cold.27+0x10/0x903 [ 1108.645741] ? zap_class+0x640/0x640 [ 1108.649451] ? check_preemption_disabled+0x48/0x280 [ 1108.654466] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1108.659388] ? kasan_check_read+0x11/0x20 [ 1108.663536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1108.668810] ? oom_evaluate_task+0x540/0x540 [ 1108.673220] ? find_held_lock+0x36/0x1c0 [ 1108.677284] ? out_of_memory+0x974/0x1430 [ 1108.681428] ? lock_downgrade+0x900/0x900 [ 1108.685569] ? check_preemption_disabled+0x48/0x280 [ 1108.690581] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1108.695503] ? kasan_check_read+0x11/0x20 [ 1108.699646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1108.704918] ? rcu_softirq_qs+0x20/0x20 [ 1108.708892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1108.714421] ? oom_evaluate_task+0x302/0x540 [ 1108.718831] out_of_memory+0xa84/0x1430 [ 1108.722806] ? oom_killer_disable+0x3a0/0x3a0 [ 1108.727295] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1108.732222] ? __ww_mutex_check_waiters+0x160/0x160 [ 1108.737242] __alloc_pages_slowpath+0x2354/0x2e10 [ 1108.742110] ? warn_alloc+0x120/0x120 [ 1108.745905] ? mark_held_locks+0x130/0x130 [ 1108.750140] ? find_get_entry+0xaae/0x1120 [ 1108.754382] ? filemap_map_pages+0x1a20/0x1a20 [ 1108.758968] ? zap_class+0x640/0x640 [ 1108.762680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1108.768226] ? check_preemption_disabled+0x48/0x280 [ 1108.773239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1108.778772] ? should_fail+0x22d/0xd01 [ 1108.782662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1108.787763] ? zap_class+0x640/0x640 [ 1108.791496] ? __lock_is_held+0xb5/0x140 [ 1108.795561] ? mark_held_locks+0x130/0x130 [ 1108.799794] ? lock_release+0xa00/0xa00 [ 1108.803763] ? perf_trace_sched_process_exec+0x860/0x860 [ 1108.809207] ? xa_load+0x2ba/0x460 [ 1108.812743] ? lock_downgrade+0x900/0x900 [ 1108.816889] ? __might_sleep+0x95/0x190 [ 1108.820862] __alloc_pages_nodemask+0xa80/0xde0 [ 1108.825531] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1108.830541] ? __page_cache_alloc+0x191/0x5c0 [ 1108.835033] ? xa_load+0x2e1/0x460 [ 1108.838572] ? xa_clear_mark+0x40/0x40 [ 1108.842457] ? zap_class+0x640/0x640 [ 1108.846174] ? zap_class+0x640/0x640 [ 1108.849881] ? zap_class+0x640/0x640 [ 1108.853588] ? __do_page_cache_readahead+0x663/0x810 [ 1108.858697] ? find_held_lock+0x36/0x1c0 [ 1108.862760] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1108.868302] alloc_pages_current+0x173/0x350 [ 1108.872716] __page_cache_alloc+0x38c/0x5c0 [ 1108.877030] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1108.881958] ? kasan_check_read+0x11/0x20 [ 1108.886099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1108.891373] ? generic_perform_write+0x6a0/0x6a0 [ 1108.896124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1108.901655] ? check_preemption_disabled+0x48/0x280 [ 1108.907194] filemap_fault+0x1595/0x25f0 [ 1108.911266] ? __lock_page_or_retry+0xa00/0xa00 [ 1108.915932] ? mark_held_locks+0x130/0x130 [ 1108.920171] ? filemap_map_pages+0xd6b/0x1a20 [ 1108.924663] ? lock_downgrade+0x900/0x900 [ 1108.928830] ? check_preemption_disabled+0x48/0x280 [ 1108.933846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1108.938768] ? kasan_check_read+0x11/0x20 [ 1108.942910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1108.948183] ? rcu_softirq_qs+0x20/0x20 [ 1108.952163] ? filemap_map_pages+0xd92/0x1a20 [ 1108.956666] ? find_get_entries_tag+0x1400/0x1400 [ 1108.961509] ? find_held_lock+0x36/0x1c0 [ 1108.965588] ? lock_acquire+0x1ed/0x520 [ 1108.969557] ? ext4_filemap_fault+0x7a/0xad [ 1108.973881] ? lock_release+0xa00/0xa00 [ 1108.977847] ? perf_trace_sched_process_exec+0x860/0x860 [ 1108.983294] ? print_usage_bug+0xc0/0xc0 [ 1108.987369] ? down_read+0x8d/0x120 [ 1108.990990] ? ext4_filemap_fault+0x7a/0xad [ 1108.995306] ? __down_interruptible+0x700/0x700 [ 1108.999970] ? find_held_lock+0x36/0x1c0 [ 1109.004032] ext4_filemap_fault+0x82/0xad [ 1109.008178] __do_fault+0x100/0x6b0 [ 1109.011801] ? lock_downgrade+0x900/0x900 [ 1109.015946] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1109.021052] ? kasan_check_read+0x11/0x20 [ 1109.025192] ? do_raw_spin_unlock+0xa7/0x330 [ 1109.029592] ? do_raw_spin_trylock+0x270/0x270 [ 1109.034187] __handle_mm_fault+0x3ea0/0x5be0 [ 1109.038586] ? perf_trace_lock+0x7a0/0x7a0 [ 1109.042828] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1109.047683] ? ksys_dup3+0x680/0x680 [ 1109.051408] ? zap_class+0x640/0x640 [ 1109.055117] ? zap_class+0x640/0x640 [ 1109.058829] ? __x64_sys_futex+0x53e/0x6a0 [ 1109.063066] ? find_held_lock+0x36/0x1c0 [ 1109.067134] ? handle_mm_fault+0x42a/0xc70 [ 1109.071368] ? lock_downgrade+0x900/0x900 [ 1109.075509] ? check_preemption_disabled+0x48/0x280 [ 1109.080523] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1109.085448] ? kasan_check_read+0x11/0x20 [ 1109.089589] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1109.094864] ? rcu_softirq_qs+0x20/0x20 [ 1109.098832] ? trace_hardirqs_off_caller+0x310/0x310 [ 1109.103931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1109.109462] ? check_preemption_disabled+0x48/0x280 [ 1109.114572] handle_mm_fault+0x54f/0xc70 [ 1109.118636] ? __handle_mm_fault+0x5be0/0x5be0 [ 1109.123217] ? find_vma+0x34/0x190 [ 1109.126757] __do_page_fault+0x5e8/0xe60 [ 1109.130811] ? trace_hardirqs_off+0xb8/0x310 [ 1109.135213] ? kernel_write+0x120/0x120 [ 1109.139192] do_page_fault+0xf2/0x7e0 [ 1109.142989] ? vmalloc_sync_all+0x30/0x30 [ 1109.147135] ? error_entry+0x70/0xd0 [ 1109.150850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1109.155859] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1109.160783] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1109.165706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1109.170545] ? trace_hardirqs_on_caller+0x310/0x310 [ 1109.175561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1109.181010] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1109.186021] ? page_fault+0x8/0x30 [ 1109.189568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1109.194407] ? page_fault+0x8/0x30 [ 1109.197941] page_fault+0x1e/0x30 [ 1109.201390] RIP: 0033:0x404068 [ 1109.204587] Code: Bad RIP value. [ 1109.207947] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1109.213301] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1109.220562] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1109.227822] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1109.235083] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1109.242348] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1109.249633] warn_alloc_show_mem: 1 callbacks suppressed [ 1109.249644] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1109.249646] Mem-Info: [ 1109.249685] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1109.249685] active_file:12 inactive_file:9 isolated_file:0 [ 1109.249685] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1109.249685] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1109.249685] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1109.249685] free:13627 free_pcp:121 free_cma:0 [ 1109.255016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1109.262302] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1109.264699] Call Trace: [ 1109.297568] 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 [ 1109.306924] dump_stack+0x244/0x39d [ 1109.334560] lowmem_reserve[]: 0 2818 6321 6321 [ 1109.337143] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1109.363220] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1109.366852] warn_alloc.cold.116+0xb7/0x1bd [ 1109.371397] lowmem_reserve[]: 0 0 3503 3503 [ 1109.376584] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1109.403875] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1109.408187] ? lock_downgrade+0x900/0x900 [ 1109.412471] lowmem_reserve[]: 0 0 0 0 [ 1109.417318] ? trace_hardirqs_off+0xb8/0x310 [ 1109.445998] 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 [ 1109.450143] ? trace_hardirqs_off+0xb8/0x310 [ 1109.453911] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1109.458316] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1109.471804] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1109.476237] ? warn_alloc+0x120/0x120 [ 1109.491794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1109.496622] ? warn_alloc+0x120/0x120 [ 1109.510033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1109.513832] ? dev_hard_start_xmit+0x42c/0xc80 [ 1109.522647] 4359 total pagecache pages [ 1109.526436] ? warn_alloc+0x120/0x120 [ 1109.534989] 0 pages in swap cache [ 1109.539555] ? print_usage_bug+0xc0/0xc0 [ 1109.543413] Swap cache stats: add 0, delete 0, find 0/0 [ 1109.547198] ? find_held_lock+0x36/0x1c0 [ 1109.550623] Free swap = 0kB [ 1109.554679] ? print_usage_bug+0xc0/0xc0 [ 1109.560012] Total swap = 0kB [ 1109.564065] ? cpuacct_charge+0x265/0x440 [ 1109.567054] 1965979 pages RAM [ 1109.571105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1109.574092] 0 pages HighMem/MovableOnly [ 1109.578228] ? should_fail+0x22d/0xd01 [ 1109.581299] 342854 pages reserved [ 1109.581307] 0 pages cma reserved [ 1109.586829] ? find_held_lock+0x36/0x1c0 [ 1109.590839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1109.594654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1109.598154] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1109.601435] ? __lock_acquire+0x62f/0x4c20 [ 1109.605466] syz-fuzzer cpuset=/ mems_allowed=0 [ 1109.611949] ? should_fail+0x22d/0xd01 [ 1109.639899] ? mark_held_locks+0x130/0x130 [ 1109.644134] ? mark_held_locks+0x130/0x130 [ 1109.648369] ? __lock_acquire+0x62f/0x4c20 [ 1109.652609] ? zap_class+0x640/0x640 [ 1109.656324] ? __lock_is_held+0xb5/0x140 [ 1109.660386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1109.665921] ? check_preemption_disabled+0x48/0x280 [ 1109.670947] ? __lock_is_held+0xb5/0x140 [ 1109.675012] __alloc_pages_nodemask+0xa80/0xde0 [ 1109.679680] ? zap_class+0x640/0x640 [ 1109.683397] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1109.688422] ? find_held_lock+0x36/0x1c0 [ 1109.692493] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1109.697158] ? lock_downgrade+0x900/0x900 [ 1109.701309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1109.706852] cache_grow_begin+0xa5/0x8c0 [ 1109.710908] ? do_raw_spin_unlock+0xa7/0x330 [ 1109.715321] fallback_alloc+0x204/0x2e0 [ 1109.719299] ____cache_alloc_node+0x1c7/0x1e0 [ 1109.723797] kmem_cache_alloc+0x1f8/0x730 [ 1109.727957] skb_clone+0x1bb/0x500 [ 1109.731498] ? finish_task_switch+0x2f4/0x910 [ 1109.735995] ? skb_split+0x11e0/0x11e0 [ 1109.739881] ? preempt_notifier_register+0x200/0x200 [ 1109.744979] ? __switch_to_asm+0x34/0x70 [ 1109.749035] ? __switch_to_asm+0x34/0x70 [ 1109.753092] ? __switch_to_asm+0x40/0x70 [ 1109.757148] ? __switch_to_asm+0x34/0x70 [ 1109.761206] ? __switch_to_asm+0x40/0x70 [ 1109.765259] ? __switch_to_asm+0x34/0x70 [ 1109.769312] ? __switch_to_asm+0x40/0x70 [ 1109.773367] ? __switch_to_asm+0x34/0x70 [ 1109.777424] ? __switch_to_asm+0x34/0x70 [ 1109.781486] ? __switch_to_asm+0x40/0x70 [ 1109.785545] ? __switch_to_asm+0x34/0x70 [ 1109.789613] bpf_clone_redirect+0xb9/0x490 [ 1109.793851] ? __schedule+0x8d7/0x21d0 [ 1109.797742] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1109.802756] ? __sched_text_start+0x8/0x8 [ 1109.806914] ? find_held_lock+0x36/0x1c0 [ 1109.810978] ? lock_acquire+0x1ed/0x520 [ 1109.814954] ? bpf_test_run+0x3cb/0x780 [ 1109.818930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1109.824467] ? check_preemption_disabled+0x48/0x280 [ 1109.829493] ? kasan_check_read+0x11/0x20 [ 1109.833641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1109.838912] ? rcu_softirq_qs+0x20/0x20 [ 1109.842888] ? preempt_schedule+0x4d/0x60 [ 1109.847032] ? ___preempt_schedule+0x16/0x18 [ 1109.851444] ? bpf_test_run+0x25d/0x780 [ 1109.855431] ? netlink_diag_dump+0x2a0/0x2a0 [ 1109.859842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1109.865379] ? bpf_test_init.isra.10+0x70/0x100 [ 1109.870056] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1109.874819] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1109.879662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1109.885194] ? fput+0x130/0x1a0 [ 1109.888470] ? __bpf_prog_get+0x9b/0x290 [ 1109.892538] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1109.897378] ? bpf_prog_test_run+0x130/0x1a0 [ 1109.901790] ? __x64_sys_bpf+0x3d8/0x520 [ 1109.905850] ? bpf_prog_get+0x20/0x20 [ 1109.909669] ? do_syscall_64+0x1b9/0x820 [ 1109.913726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1109.919178] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1109.924104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1109.928950] ? trace_hardirqs_on_caller+0x310/0x310 [ 1109.933962] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1109.938980] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1109.944005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1109.948855] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1109.954238] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1109.959100] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1109.961252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1109.971718] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1109.981056] Call Trace: [ 1109.988705] [ 1109.990861] dump_stack+0x244/0x39d [ 1109.994491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1109.999687] warn_alloc.cold.116+0xb7/0x1bd [ 1110.004006] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1110.008849] ? lock_downgrade+0x900/0x900 [ 1110.013004] ? trace_hardirqs_off+0xb8/0x310 [ 1110.017413] ? trace_hardirqs_off+0xb8/0x310 [ 1110.021825] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1110.026691] ? warn_alloc+0x120/0x120 [ 1110.030505] ? print_usage_bug+0xc0/0xc0 [ 1110.034649] ? warn_alloc+0x120/0x120 [ 1110.038452] ? warn_alloc+0x120/0x120 [ 1110.042249] ? print_usage_bug+0xc0/0xc0 [ 1110.046306] ? kvm_clock_read+0x18/0x30 [ 1110.050273] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1110.055286] ? print_usage_bug+0xc0/0xc0 [ 1110.059345] ? __lock_acquire+0x62f/0x4c20 [ 1110.063583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1110.069134] ? should_fail+0x22d/0xd01 [ 1110.073365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1110.078648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1110.083752] ? __lock_acquire+0x62f/0x4c20 [ 1110.087994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1110.093088] ? __lock_acquire+0x62f/0x4c20 [ 1110.097316] ? should_fail+0x22d/0xd01 [ 1110.101193] ? rcu_irq_exit+0x1a2/0x390 [ 1110.105172] ? mark_held_locks+0x130/0x130 [ 1110.109409] ? mark_held_locks+0x130/0x130 [ 1110.113643] ? mark_held_locks+0xc7/0x130 [ 1110.117785] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1110.122797] ? zap_class+0x640/0x640 [ 1110.126505] ? print_usage_bug+0xc0/0xc0 [ 1110.130567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.136106] ? check_preemption_disabled+0x48/0x280 [ 1110.141129] ? __lock_is_held+0xb5/0x140 [ 1110.145190] __alloc_pages_nodemask+0xa80/0xde0 [ 1110.149866] ? zap_class+0x640/0x640 [ 1110.153582] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1110.158617] ? find_held_lock+0x36/0x1c0 [ 1110.162683] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1110.167349] ? lock_downgrade+0x900/0x900 [ 1110.171496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.177034] cache_grow_begin+0xa5/0x8c0 [ 1110.181092] ? do_raw_spin_unlock+0xa7/0x330 [ 1110.185502] fallback_alloc+0x204/0x2e0 [ 1110.189477] ____cache_alloc_node+0x1c7/0x1e0 [ 1110.193973] kmem_cache_alloc_node+0xe3/0x730 [ 1110.198467] ? ipv6_get_ifaddr+0x42e/0x620 [ 1110.202711] __alloc_skb+0x119/0x770 [ 1110.206417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1110.211696] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1110.216098] ? lock_downgrade+0x900/0x900 [ 1110.220250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.225782] ? refcount_sub_and_test_checked+0x203/0x310 [ 1110.231233] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1110.236678] ? addrconf_rs_timer+0x690/0x690 [ 1110.241094] ndisc_alloc_skb+0x144/0x340 [ 1110.245157] ndisc_send_rs+0x331/0x6e0 [ 1110.249047] addrconf_rs_timer+0x314/0x690 [ 1110.253282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1110.257520] call_timer_fn+0x272/0x920 [ 1110.261402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1110.265633] ? process_timeout+0x40/0x40 [ 1110.269701] ? mark_held_locks+0xc7/0x130 [ 1110.273849] ? _raw_spin_unlock_irq+0x27/0x80 [ 1110.278336] ? _raw_spin_unlock_irq+0x27/0x80 [ 1110.282822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1110.287051] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1110.291646] ? trace_hardirqs_on+0xbd/0x310 [ 1110.295965] ? kasan_check_read+0x11/0x20 [ 1110.300105] ? __run_timers+0x7da/0xc70 [ 1110.304075] ? trace_hardirqs_off_caller+0x310/0x310 [ 1110.309177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1110.313410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1110.317641] __run_timers+0x7e5/0xc70 [ 1110.321445] ? timer_fixup_init+0x70/0x70 [ 1110.325596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1110.330607] ? zap_class+0x640/0x640 [ 1110.334320] ? print_usage_bug+0xc0/0xc0 [ 1110.338377] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1110.343568] ? find_held_lock+0x36/0x1c0 [ 1110.347635] ? zap_class+0x640/0x640 [ 1110.351352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.356886] ? check_preemption_disabled+0x48/0x280 [ 1110.361907] ? __lock_is_held+0xb5/0x140 [ 1110.365967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.371499] ? check_preemption_disabled+0x48/0x280 [ 1110.376516] run_timer_softirq+0x52/0xb0 [ 1110.380580] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1110.385602] __do_softirq+0x308/0xb7e [ 1110.389406] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1110.393895] ? lock_downgrade+0x900/0x900 [ 1110.398216] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1110.403323] ? pvclock_read_flags+0x160/0x160 [ 1110.407819] ? lapic_next_event+0x5a/0x90 [ 1110.411962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.417497] ? kvm_clock_read+0x18/0x30 [ 1110.421464] ? kvm_sched_clock_read+0x9/0x20 [ 1110.425873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.431405] ? check_preemption_disabled+0x48/0x280 [ 1110.436428] irq_exit+0x17f/0x1c0 [ 1110.439888] smp_apic_timer_interrupt+0x1cb/0x760 [ 1110.444722] ? smp_reschedule_interrupt+0x109/0x650 [ 1110.449734] ? smp_call_function_single_interrupt+0x650/0x650 [ 1110.455612] ? interrupt_entry+0xb5/0xc0 [ 1110.459841] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1110.464853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1110.469864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1110.474706] ? trace_hardirqs_on_caller+0x310/0x310 [ 1110.479715] ? trace_hardirqs_on_caller+0x310/0x310 [ 1110.484729] ? task_prio+0x50/0x50 [ 1110.488264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.493800] ? check_preemption_disabled+0x48/0x280 [ 1110.498815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1110.503659] apic_timer_interrupt+0xf/0x20 [ 1110.507884] [ 1110.510118] RIP: 0010:console_unlock+0x102f/0x1190 [ 1110.515045] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1110.533943] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1110.541644] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1110.548907] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1110.556169] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1110.563430] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1110.570692] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1110.577963] ? netconsole_netdev_event+0x280/0x280 [ 1110.582892] ? console_unlock+0x1026/0x1190 [ 1110.587231] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1110.591891] ? vprintk_emit+0x846/0x990 [ 1110.595868] ? lock_release+0xa00/0xa00 [ 1110.599842] ? trace_hardirqs_on+0x70/0x310 [ 1110.604161] ? vprintk_default+0x28/0x30 [ 1110.608220] ? trace_hardirqs_off_caller+0x310/0x310 [ 1110.613322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.618859] vprintk_emit+0x391/0x990 [ 1110.622657] ? wake_up_klogd+0x180/0x180 [ 1110.626718] ? find_held_lock+0x11/0x1c0 [ 1110.630783] ? mark_held_locks+0xc7/0x130 [ 1110.635017] ? _raw_spin_unlock_irq+0x27/0x80 [ 1110.639505] ? _raw_spin_unlock_irq+0x27/0x80 [ 1110.643997] vprintk_default+0x28/0x30 [ 1110.647879] vprintk_func+0x7e/0x181 [ 1110.651590] printk+0xa7/0xcf [ 1110.654689] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1110.659440] ? _raw_spin_unlock_irq+0x60/0x80 [ 1110.663955] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1110.669233] dump_header+0x7cc/0xf72 [ 1110.672952] ? pagefault_out_of_memory+0x197/0x197 [ 1110.677884] ? __lock_acquire+0x62f/0x4c20 [ 1110.682119] ? print_usage_bug+0xc0/0xc0 [ 1110.686181] ? zap_class+0x640/0x640 [ 1110.689901] ? print_usage_bug+0xc0/0xc0 [ 1110.693962] ? print_usage_bug+0xc0/0xc0 [ 1110.698021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.703562] ? find_held_lock+0x36/0x1c0 [ 1110.707628] ? mark_held_locks+0xc7/0x130 [ 1110.711772] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1110.716868] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1110.721969] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1110.726555] ? trace_hardirqs_on+0xbd/0x310 [ 1110.730872] ? kasan_check_read+0x11/0x20 [ 1110.735014] ? ___ratelimit+0x3b4/0x672 [ 1110.738988] ? trace_hardirqs_off_caller+0x310/0x310 [ 1110.744087] ? trace_hardirqs_on+0x310/0x310 [ 1110.748494] ? lock_downgrade+0x900/0x900 [ 1110.752642] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1110.757738] ? ___ratelimit+0x3b9/0x672 [ 1110.761708] ? idr_get_free+0xf70/0xf70 [ 1110.765675] ? find_held_lock+0x36/0x1c0 [ 1110.769743] oom_kill_process.cold.27+0x10/0x903 [ 1110.774496] ? zap_class+0x640/0x640 [ 1110.778203] ? check_preemption_disabled+0x48/0x280 [ 1110.783218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1110.788139] ? kasan_check_read+0x11/0x20 [ 1110.792278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1110.797557] ? oom_evaluate_task+0x540/0x540 [ 1110.802482] ? find_held_lock+0x36/0x1c0 [ 1110.806556] ? out_of_memory+0x974/0x1430 [ 1110.810699] ? lock_downgrade+0x900/0x900 [ 1110.814839] ? check_preemption_disabled+0x48/0x280 [ 1110.819857] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1110.824782] ? kasan_check_read+0x11/0x20 [ 1110.828926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1110.834197] ? rcu_softirq_qs+0x20/0x20 [ 1110.838168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1110.844133] ? oom_evaluate_task+0x302/0x540 [ 1110.848551] out_of_memory+0xa84/0x1430 [ 1110.852538] ? oom_killer_disable+0x3a0/0x3a0 [ 1110.857029] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1110.861954] ? __ww_mutex_check_waiters+0x160/0x160 [ 1110.866975] __alloc_pages_slowpath+0x2354/0x2e10 [ 1110.871840] ? warn_alloc+0x120/0x120 [ 1110.875636] ? mark_held_locks+0x130/0x130 [ 1110.879869] ? find_get_entry+0xaae/0x1120 [ 1110.884113] ? filemap_map_pages+0x1a20/0x1a20 [ 1110.888694] ? zap_class+0x640/0x640 [ 1110.892410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1110.897944] ? check_preemption_disabled+0x48/0x280 [ 1110.902956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1110.909018] ? should_fail+0x22d/0xd01 [ 1110.912917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1110.918018] ? zap_class+0x640/0x640 [ 1110.921751] ? __lock_is_held+0xb5/0x140 [ 1110.925821] ? mark_held_locks+0x130/0x130 [ 1110.930057] ? lock_release+0xa00/0xa00 [ 1110.934032] ? perf_trace_sched_process_exec+0x860/0x860 [ 1110.939477] ? xa_load+0x2ba/0x460 [ 1110.943024] ? lock_downgrade+0x900/0x900 [ 1110.947169] ? __might_sleep+0x95/0x190 [ 1110.951147] __alloc_pages_nodemask+0xa80/0xde0 [ 1110.955819] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1110.960830] ? __page_cache_alloc+0x191/0x5c0 [ 1110.965316] ? xa_load+0x2e1/0x460 [ 1110.968851] ? xa_clear_mark+0x40/0x40 [ 1110.972737] ? zap_class+0x640/0x640 [ 1110.976452] ? zap_class+0x640/0x640 [ 1110.980160] ? zap_class+0x640/0x640 [ 1110.983869] ? __do_page_cache_readahead+0x663/0x810 [ 1110.988974] ? find_held_lock+0x36/0x1c0 [ 1110.993036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1110.998617] alloc_pages_current+0x173/0x350 [ 1111.003030] __page_cache_alloc+0x38c/0x5c0 [ 1111.007346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1111.012269] ? kasan_check_read+0x11/0x20 [ 1111.016410] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1111.021685] ? generic_perform_write+0x6a0/0x6a0 [ 1111.026439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1111.031975] ? check_preemption_disabled+0x48/0x280 [ 1111.036992] filemap_fault+0x1595/0x25f0 [ 1111.041058] ? __lock_page_or_retry+0xa00/0xa00 [ 1111.045727] ? mark_held_locks+0x130/0x130 [ 1111.049966] ? filemap_map_pages+0xd6b/0x1a20 [ 1111.054456] ? lock_downgrade+0x900/0x900 [ 1111.058599] ? check_preemption_disabled+0x48/0x280 [ 1111.063613] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1111.068543] ? kasan_check_read+0x11/0x20 [ 1111.072684] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1111.077969] ? rcu_softirq_qs+0x20/0x20 [ 1111.081957] ? filemap_map_pages+0xd92/0x1a20 [ 1111.086465] ? find_get_entries_tag+0x1400/0x1400 [ 1111.091305] ? find_held_lock+0x36/0x1c0 [ 1111.095380] ? lock_acquire+0x1ed/0x520 [ 1111.099352] ? ext4_filemap_fault+0x7a/0xad [ 1111.103683] ? lock_release+0xa00/0xa00 [ 1111.107654] ? perf_trace_sched_process_exec+0x860/0x860 [ 1111.113102] ? print_usage_bug+0xc0/0xc0 [ 1111.117173] ? down_read+0x8d/0x120 [ 1111.120791] ? ext4_filemap_fault+0x7a/0xad [ 1111.125106] ? __down_interruptible+0x700/0x700 [ 1111.129772] ? find_held_lock+0x36/0x1c0 [ 1111.133831] ext4_filemap_fault+0x82/0xad [ 1111.137978] __do_fault+0x100/0x6b0 [ 1111.141600] ? lock_downgrade+0x900/0x900 [ 1111.145744] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1111.150845] ? kasan_check_read+0x11/0x20 [ 1111.154989] ? do_raw_spin_unlock+0xa7/0x330 [ 1111.159392] ? do_raw_spin_trylock+0x270/0x270 [ 1111.163990] __handle_mm_fault+0x3ea0/0x5be0 [ 1111.168390] ? perf_trace_lock+0x7a0/0x7a0 [ 1111.172626] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1111.177476] ? ksys_dup3+0x680/0x680 [ 1111.181206] ? zap_class+0x640/0x640 [ 1111.184910] ? zap_class+0x640/0x640 [ 1111.188617] ? __x64_sys_futex+0x53e/0x6a0 [ 1111.192849] ? find_held_lock+0x36/0x1c0 [ 1111.196920] ? handle_mm_fault+0x42a/0xc70 [ 1111.201154] ? lock_downgrade+0x900/0x900 [ 1111.205295] ? check_preemption_disabled+0x48/0x280 [ 1111.210308] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1111.215319] ? kasan_check_read+0x11/0x20 [ 1111.219460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1111.224729] ? rcu_softirq_qs+0x20/0x20 [ 1111.228701] ? trace_hardirqs_off_caller+0x310/0x310 [ 1111.233803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1111.239333] ? check_preemption_disabled+0x48/0x280 [ 1111.244353] handle_mm_fault+0x54f/0xc70 [ 1111.248420] ? __handle_mm_fault+0x5be0/0x5be0 [ 1111.253260] ? find_vma+0x34/0x190 [ 1111.256808] __do_page_fault+0x5e8/0xe60 [ 1111.260870] ? trace_hardirqs_off+0xb8/0x310 [ 1111.265271] ? kernel_write+0x120/0x120 [ 1111.269253] do_page_fault+0xf2/0x7e0 [ 1111.273053] ? vmalloc_sync_all+0x30/0x30 [ 1111.277194] ? error_entry+0x70/0xd0 [ 1111.280906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1111.285919] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1111.290841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1111.295770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1111.300608] ? trace_hardirqs_on_caller+0x310/0x310 [ 1111.305622] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1111.311071] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1111.316082] ? page_fault+0x8/0x30 [ 1111.319618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1111.324471] ? page_fault+0x8/0x30 [ 1111.328016] page_fault+0x1e/0x30 [ 1111.331461] RIP: 0033:0x404068 [ 1111.334660] Code: Bad RIP value. [ 1111.338016] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1111.343371] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1111.350636] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1111.357901] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1111.365162] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1111.372422] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1111.379706] warn_alloc_show_mem: 1 callbacks suppressed [ 1111.379716] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1111.379718] Mem-Info: [ 1111.379748] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1111.379748] active_file:12 inactive_file:9 isolated_file:0 [ 1111.379748] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1111.379748] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1111.379748] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1111.379748] free:13627 free_pcp:121 free_cma:0 [ 1111.385087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1111.392359] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1111.394750] Call Trace: [ 1111.427693] 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 [ 1111.437044] dump_stack+0x244/0x39d [ 1111.464681] lowmem_reserve[]: 0 2818 6321 6321 [ 1111.467259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1111.493329] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1111.496974] warn_alloc.cold.116+0xb7/0x1bd [ 1111.501514] lowmem_reserve[]: 0 0 3503 3503 [ 1111.506692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1111.533986] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1111.538303] ? lock_downgrade+0x900/0x900 [ 1111.542585] lowmem_reserve[]: 0 0 0 0 [ 1111.547429] ? trace_hardirqs_off+0xb8/0x310 [ 1111.576109] 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 [ 1111.580257] ? trace_hardirqs_off+0xb8/0x310 [ 1111.584020] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1111.588424] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1111.601922] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1111.606353] ? warn_alloc+0x120/0x120 [ 1111.621904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1111.626740] ? warn_alloc+0x120/0x120 [ 1111.640236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1111.644019] ? dev_hard_start_xmit+0x42c/0xc80 [ 1111.652823] 4359 total pagecache pages [ 1111.656616] ? warn_alloc+0x120/0x120 [ 1111.665169] 0 pages in swap cache [ 1111.669735] ? print_usage_bug+0xc0/0xc0 [ 1111.673594] Swap cache stats: add 0, delete 0, find 0/0 [ 1111.677377] ? find_held_lock+0x36/0x1c0 [ 1111.680798] Free swap = 0kB [ 1111.684848] ? print_usage_bug+0xc0/0xc0 [ 1111.690182] Total swap = 0kB [ 1111.694231] ? cpuacct_charge+0x265/0x440 [ 1111.697219] 1965979 pages RAM [ 1111.701272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1111.704260] 0 pages HighMem/MovableOnly [ 1111.708394] ? should_fail+0x22d/0xd01 [ 1111.711477] 342854 pages reserved [ 1111.717001] ? find_held_lock+0x36/0x1c0 [ 1111.720943] 0 pages cma reserved [ 1111.724820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1111.728301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1111.732295] ? __lock_acquire+0x62f/0x4c20 [ 1111.735713] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1111.740728] ? should_fail+0x22d/0xd01 [ 1111.747191] syz-fuzzer cpuset=/ mems_allowed=0 [ 1111.751425] ? mark_held_locks+0x130/0x130 [ 1111.774285] ? mark_held_locks+0x130/0x130 [ 1111.778522] ? __lock_acquire+0x62f/0x4c20 [ 1111.782759] ? zap_class+0x640/0x640 [ 1111.786479] ? __lock_is_held+0xb5/0x140 [ 1111.790545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1111.796082] ? check_preemption_disabled+0x48/0x280 [ 1111.801105] ? __lock_is_held+0xb5/0x140 [ 1111.805170] __alloc_pages_nodemask+0xa80/0xde0 [ 1111.809835] ? zap_class+0x640/0x640 [ 1111.813554] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1111.818583] ? find_held_lock+0x36/0x1c0 [ 1111.822650] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1111.827323] ? lock_downgrade+0x900/0x900 [ 1111.831482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1111.837023] cache_grow_begin+0xa5/0x8c0 [ 1111.841083] ? do_raw_spin_unlock+0xa7/0x330 [ 1111.845498] fallback_alloc+0x204/0x2e0 [ 1111.849479] ____cache_alloc_node+0x1c7/0x1e0 [ 1111.853977] kmem_cache_alloc+0x1f8/0x730 [ 1111.858133] skb_clone+0x1bb/0x500 [ 1111.861670] ? finish_task_switch+0x2f4/0x910 [ 1111.866164] ? skb_split+0x11e0/0x11e0 [ 1111.870057] ? preempt_notifier_register+0x200/0x200 [ 1111.875156] ? __switch_to_asm+0x34/0x70 [ 1111.879213] ? __switch_to_asm+0x34/0x70 [ 1111.883269] ? __switch_to_asm+0x40/0x70 [ 1111.887329] ? __switch_to_asm+0x34/0x70 [ 1111.891387] ? __switch_to_asm+0x40/0x70 [ 1111.895440] ? __switch_to_asm+0x34/0x70 [ 1111.899504] ? __switch_to_asm+0x40/0x70 [ 1111.903559] ? __switch_to_asm+0x34/0x70 [ 1111.907616] ? __switch_to_asm+0x34/0x70 [ 1111.911676] ? __switch_to_asm+0x40/0x70 [ 1111.915729] ? __switch_to_asm+0x34/0x70 [ 1111.919794] bpf_clone_redirect+0xb9/0x490 [ 1111.924030] ? __schedule+0x8d7/0x21d0 [ 1111.927921] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1111.932934] ? __sched_text_start+0x8/0x8 [ 1111.937092] ? find_held_lock+0x36/0x1c0 [ 1111.941158] ? lock_acquire+0x1ed/0x520 [ 1111.945130] ? bpf_test_run+0x3cb/0x780 [ 1111.949103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1111.954638] ? check_preemption_disabled+0x48/0x280 [ 1111.959656] ? kasan_check_read+0x11/0x20 [ 1111.963801] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1111.969073] ? rcu_softirq_qs+0x20/0x20 [ 1111.973046] ? preempt_schedule+0x4d/0x60 [ 1111.977193] ? ___preempt_schedule+0x16/0x18 [ 1111.981605] ? bpf_test_run+0x25d/0x780 [ 1111.985590] ? netlink_diag_dump+0x2a0/0x2a0 [ 1111.989996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1111.995530] ? bpf_test_init.isra.10+0x70/0x100 [ 1112.000203] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1112.004971] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1112.009810] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1112.015346] ? fput+0x130/0x1a0 [ 1112.018627] ? __bpf_prog_get+0x9b/0x290 [ 1112.022687] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1112.027522] ? bpf_prog_test_run+0x130/0x1a0 [ 1112.031931] ? __x64_sys_bpf+0x3d8/0x520 [ 1112.035990] ? bpf_prog_get+0x20/0x20 [ 1112.039806] ? do_syscall_64+0x1b9/0x820 [ 1112.043863] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1112.049228] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1112.054587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1112.059432] ? trace_hardirqs_on_caller+0x310/0x310 [ 1112.064459] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1112.069478] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1112.075051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1112.079904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1112.085288] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1112.090164] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1112.092308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1112.102774] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1112.112129] Call Trace: [ 1112.119785] [ 1112.121944] dump_stack+0x244/0x39d [ 1112.125573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1112.130771] warn_alloc.cold.116+0xb7/0x1bd [ 1112.135092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1112.139948] ? lock_downgrade+0x900/0x900 [ 1112.144098] ? trace_hardirqs_off+0xb8/0x310 [ 1112.148510] ? trace_hardirqs_off+0xb8/0x310 [ 1112.152933] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1112.157803] ? warn_alloc+0x120/0x120 [ 1112.161604] ? print_usage_bug+0xc0/0xc0 [ 1112.165660] ? warn_alloc+0x120/0x120 [ 1112.169464] ? warn_alloc+0x120/0x120 [ 1112.173259] ? print_usage_bug+0xc0/0xc0 [ 1112.177319] ? kvm_clock_read+0x18/0x30 [ 1112.181290] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1112.186302] ? print_usage_bug+0xc0/0xc0 [ 1112.190360] ? __lock_acquire+0x62f/0x4c20 [ 1112.194599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1112.200131] ? should_fail+0x22d/0xd01 [ 1112.204014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1112.209286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1112.214382] ? __lock_acquire+0x62f/0x4c20 [ 1112.218620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1112.223718] ? __lock_acquire+0x62f/0x4c20 [ 1112.227950] ? should_fail+0x22d/0xd01 [ 1112.231827] ? rcu_irq_exit+0x1a2/0x390 [ 1112.235813] ? mark_held_locks+0x130/0x130 [ 1112.240046] ? mark_held_locks+0x130/0x130 [ 1112.244281] ? mark_held_locks+0xc7/0x130 [ 1112.248432] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1112.253446] ? zap_class+0x640/0x640 [ 1112.257154] ? print_usage_bug+0xc0/0xc0 [ 1112.261214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.266751] ? check_preemption_disabled+0x48/0x280 [ 1112.271771] ? __lock_is_held+0xb5/0x140 [ 1112.275837] __alloc_pages_nodemask+0xa80/0xde0 [ 1112.280500] ? zap_class+0x640/0x640 [ 1112.284211] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1112.289232] ? find_held_lock+0x36/0x1c0 [ 1112.293298] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1112.297963] ? lock_downgrade+0x900/0x900 [ 1112.302115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.307651] cache_grow_begin+0xa5/0x8c0 [ 1112.311704] ? do_raw_spin_unlock+0xa7/0x330 [ 1112.316116] fallback_alloc+0x204/0x2e0 [ 1112.320091] ____cache_alloc_node+0x1c7/0x1e0 [ 1112.324585] kmem_cache_alloc_node+0xe3/0x730 [ 1112.329074] ? ipv6_get_ifaddr+0x42e/0x620 [ 1112.333317] __alloc_skb+0x119/0x770 [ 1112.337024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1112.342302] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1112.346704] ? lock_downgrade+0x900/0x900 [ 1112.350855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.356387] ? refcount_sub_and_test_checked+0x203/0x310 [ 1112.361841] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1112.367285] ? addrconf_rs_timer+0x690/0x690 [ 1112.371703] ndisc_alloc_skb+0x144/0x340 [ 1112.375761] ndisc_send_rs+0x331/0x6e0 [ 1112.379655] addrconf_rs_timer+0x314/0x690 [ 1112.383892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1112.388131] call_timer_fn+0x272/0x920 [ 1112.392011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1112.396240] ? process_timeout+0x40/0x40 [ 1112.400305] ? mark_held_locks+0xc7/0x130 [ 1112.404449] ? _raw_spin_unlock_irq+0x27/0x80 [ 1112.408936] ? _raw_spin_unlock_irq+0x27/0x80 [ 1112.413428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1112.417656] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1112.422233] ? trace_hardirqs_on+0xbd/0x310 [ 1112.426549] ? kasan_check_read+0x11/0x20 [ 1112.430691] ? __run_timers+0x7da/0xc70 [ 1112.434665] ? trace_hardirqs_off_caller+0x310/0x310 [ 1112.439774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1112.444007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1112.448232] __run_timers+0x7e5/0xc70 [ 1112.452039] ? timer_fixup_init+0x70/0x70 [ 1112.456186] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1112.461197] ? zap_class+0x640/0x640 [ 1112.464909] ? print_usage_bug+0xc0/0xc0 [ 1112.468967] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1112.474160] ? find_held_lock+0x36/0x1c0 [ 1112.478222] ? zap_class+0x640/0x640 [ 1112.481940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.487475] ? check_preemption_disabled+0x48/0x280 [ 1112.492495] ? __lock_is_held+0xb5/0x140 [ 1112.496553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.502087] ? check_preemption_disabled+0x48/0x280 [ 1112.507102] run_timer_softirq+0x52/0xb0 [ 1112.511162] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1112.516173] __do_softirq+0x308/0xb7e [ 1112.519976] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1112.524466] ? lock_downgrade+0x900/0x900 [ 1112.528611] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1112.533719] ? pvclock_read_flags+0x160/0x160 [ 1112.538382] ? lapic_next_event+0x5a/0x90 [ 1112.542534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.548069] ? kvm_clock_read+0x18/0x30 [ 1112.552036] ? kvm_sched_clock_read+0x9/0x20 [ 1112.556439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.561974] ? check_preemption_disabled+0x48/0x280 [ 1112.566992] irq_exit+0x17f/0x1c0 [ 1112.570442] smp_apic_timer_interrupt+0x1cb/0x760 [ 1112.575299] ? smp_reschedule_interrupt+0x109/0x650 [ 1112.580315] ? smp_call_function_single_interrupt+0x650/0x650 [ 1112.586195] ? interrupt_entry+0xb5/0xc0 [ 1112.590249] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1112.595258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1112.600268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1112.605109] ? trace_hardirqs_on_caller+0x310/0x310 [ 1112.610120] ? trace_hardirqs_on_caller+0x310/0x310 [ 1112.615133] ? task_prio+0x50/0x50 [ 1112.618668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.624203] ? check_preemption_disabled+0x48/0x280 [ 1112.629222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1112.634071] apic_timer_interrupt+0xf/0x20 [ 1112.638296] [ 1112.640531] RIP: 0010:console_unlock+0x102f/0x1190 [ 1112.645458] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1112.664350] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1112.672052] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1112.679311] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1112.686571] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1112.693830] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1112.701093] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1112.708361] ? netconsole_netdev_event+0x280/0x280 [ 1112.713295] ? console_unlock+0x1026/0x1190 [ 1112.717633] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1112.722296] ? vprintk_emit+0x846/0x990 [ 1112.726269] ? lock_release+0xa00/0xa00 [ 1112.730237] ? trace_hardirqs_on+0x70/0x310 [ 1112.734555] ? vprintk_default+0x28/0x30 [ 1112.738613] ? trace_hardirqs_off_caller+0x310/0x310 [ 1112.743713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.749253] vprintk_emit+0x391/0x990 [ 1112.753054] ? wake_up_klogd+0x180/0x180 [ 1112.757118] ? find_held_lock+0x11/0x1c0 [ 1112.761181] ? mark_held_locks+0xc7/0x130 [ 1112.765325] ? _raw_spin_unlock_irq+0x27/0x80 [ 1112.769812] ? _raw_spin_unlock_irq+0x27/0x80 [ 1112.774309] vprintk_default+0x28/0x30 [ 1112.778193] vprintk_func+0x7e/0x181 [ 1112.781908] printk+0xa7/0xcf [ 1112.785010] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1112.789769] ? _raw_spin_unlock_irq+0x60/0x80 [ 1112.794273] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1112.799551] dump_header+0x7cc/0xf72 [ 1112.803268] ? pagefault_out_of_memory+0x197/0x197 [ 1112.808209] ? __lock_acquire+0x62f/0x4c20 [ 1112.812447] ? print_usage_bug+0xc0/0xc0 [ 1112.816513] ? zap_class+0x640/0x640 [ 1112.820223] ? print_usage_bug+0xc0/0xc0 [ 1112.824278] ? print_usage_bug+0xc0/0xc0 [ 1112.828342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1112.833876] ? find_held_lock+0x36/0x1c0 [ 1112.837944] ? mark_held_locks+0xc7/0x130 [ 1112.842089] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1112.847186] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1112.852304] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1112.856882] ? trace_hardirqs_on+0xbd/0x310 [ 1112.861201] ? kasan_check_read+0x11/0x20 [ 1112.865340] ? ___ratelimit+0x3b4/0x672 [ 1112.869317] ? trace_hardirqs_off_caller+0x310/0x310 [ 1112.874419] ? trace_hardirqs_on+0x310/0x310 [ 1112.878823] ? lock_downgrade+0x900/0x900 [ 1112.882971] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1112.888072] ? ___ratelimit+0x3b9/0x672 [ 1112.892041] ? idr_get_free+0xf70/0xf70 [ 1112.896013] ? find_held_lock+0x36/0x1c0 [ 1112.900077] oom_kill_process.cold.27+0x10/0x903 [ 1112.904830] ? zap_class+0x640/0x640 [ 1112.909027] ? check_preemption_disabled+0x48/0x280 [ 1112.914048] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1112.919061] ? kasan_check_read+0x11/0x20 [ 1112.923205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1112.928481] ? oom_evaluate_task+0x540/0x540 [ 1112.932888] ? find_held_lock+0x36/0x1c0 [ 1112.936952] ? out_of_memory+0x974/0x1430 [ 1112.941096] ? lock_downgrade+0x900/0x900 [ 1112.945237] ? check_preemption_disabled+0x48/0x280 [ 1112.950253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1112.955174] ? kasan_check_read+0x11/0x20 [ 1112.959316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1112.964585] ? rcu_softirq_qs+0x20/0x20 [ 1112.968562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1112.974092] ? oom_evaluate_task+0x302/0x540 [ 1112.978505] out_of_memory+0xa84/0x1430 [ 1112.982484] ? oom_killer_disable+0x3a0/0x3a0 [ 1112.986977] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1112.991910] ? __ww_mutex_check_waiters+0x160/0x160 [ 1112.996930] __alloc_pages_slowpath+0x2354/0x2e10 [ 1113.001799] ? warn_alloc+0x120/0x120 [ 1113.005598] ? mark_held_locks+0x130/0x130 [ 1113.009833] ? find_get_entry+0xaae/0x1120 [ 1113.014072] ? filemap_map_pages+0x1a20/0x1a20 [ 1113.018656] ? zap_class+0x640/0x640 [ 1113.022377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1113.027909] ? check_preemption_disabled+0x48/0x280 [ 1113.032919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1113.038454] ? should_fail+0x22d/0xd01 [ 1113.042341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1113.047450] ? zap_class+0x640/0x640 [ 1113.051963] ? __lock_is_held+0xb5/0x140 [ 1113.056031] ? mark_held_locks+0x130/0x130 [ 1113.060261] ? lock_release+0xa00/0xa00 [ 1113.064229] ? perf_trace_sched_process_exec+0x860/0x860 [ 1113.069674] ? xa_load+0x2ba/0x460 [ 1113.073208] ? lock_downgrade+0x900/0x900 [ 1113.077373] ? __might_sleep+0x95/0x190 [ 1113.081350] __alloc_pages_nodemask+0xa80/0xde0 [ 1113.086027] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1113.091038] ? __page_cache_alloc+0x191/0x5c0 [ 1113.095528] ? xa_load+0x2e1/0x460 [ 1113.099064] ? xa_clear_mark+0x40/0x40 [ 1113.102948] ? zap_class+0x640/0x640 [ 1113.106662] ? zap_class+0x640/0x640 [ 1113.110374] ? zap_class+0x640/0x640 [ 1113.114082] ? __do_page_cache_readahead+0x663/0x810 [ 1113.119184] ? find_held_lock+0x36/0x1c0 [ 1113.123336] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1113.128878] alloc_pages_current+0x173/0x350 [ 1113.133285] __page_cache_alloc+0x38c/0x5c0 [ 1113.137601] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1113.142523] ? kasan_check_read+0x11/0x20 [ 1113.146664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1113.151941] ? generic_perform_write+0x6a0/0x6a0 [ 1113.156693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1113.162230] ? check_preemption_disabled+0x48/0x280 [ 1113.167249] filemap_fault+0x1595/0x25f0 [ 1113.171328] ? __lock_page_or_retry+0xa00/0xa00 [ 1113.175999] ? mark_held_locks+0x130/0x130 [ 1113.180240] ? filemap_map_pages+0xd6b/0x1a20 [ 1113.184732] ? lock_downgrade+0x900/0x900 [ 1113.188875] ? check_preemption_disabled+0x48/0x280 [ 1113.193887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1113.198812] ? kasan_check_read+0x11/0x20 [ 1113.202956] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1113.208229] ? rcu_softirq_qs+0x20/0x20 [ 1113.212210] ? filemap_map_pages+0xd92/0x1a20 [ 1113.216720] ? find_get_entries_tag+0x1400/0x1400 [ 1113.221556] ? find_held_lock+0x36/0x1c0 [ 1113.225637] ? lock_acquire+0x1ed/0x520 [ 1113.229606] ? ext4_filemap_fault+0x7a/0xad [ 1113.233929] ? lock_release+0xa00/0xa00 [ 1113.237895] ? perf_trace_sched_process_exec+0x860/0x860 [ 1113.243348] ? print_usage_bug+0xc0/0xc0 [ 1113.247416] ? down_read+0x8d/0x120 [ 1113.251039] ? ext4_filemap_fault+0x7a/0xad [ 1113.255364] ? __down_interruptible+0x700/0x700 [ 1113.260123] ? find_held_lock+0x36/0x1c0 [ 1113.264184] ext4_filemap_fault+0x82/0xad [ 1113.268328] __do_fault+0x100/0x6b0 [ 1113.271956] ? lock_downgrade+0x900/0x900 [ 1113.276101] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1113.281202] ? kasan_check_read+0x11/0x20 [ 1113.285351] ? do_raw_spin_unlock+0xa7/0x330 [ 1113.289754] ? do_raw_spin_trylock+0x270/0x270 [ 1113.294354] __handle_mm_fault+0x3ea0/0x5be0 [ 1113.298759] ? perf_trace_lock+0x7a0/0x7a0 [ 1113.302997] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1113.307845] ? ksys_dup3+0x680/0x680 [ 1113.311567] ? zap_class+0x640/0x640 [ 1113.315272] ? zap_class+0x640/0x640 [ 1113.318979] ? __x64_sys_futex+0x53e/0x6a0 [ 1113.323211] ? find_held_lock+0x36/0x1c0 [ 1113.327281] ? handle_mm_fault+0x42a/0xc70 [ 1113.331513] ? lock_downgrade+0x900/0x900 [ 1113.335656] ? check_preemption_disabled+0x48/0x280 [ 1113.340671] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1113.345597] ? kasan_check_read+0x11/0x20 [ 1113.349740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1113.355009] ? rcu_softirq_qs+0x20/0x20 [ 1113.358976] ? trace_hardirqs_off_caller+0x310/0x310 [ 1113.364075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1113.369606] ? check_preemption_disabled+0x48/0x280 [ 1113.374624] handle_mm_fault+0x54f/0xc70 [ 1113.378684] ? __handle_mm_fault+0x5be0/0x5be0 [ 1113.383271] ? find_vma+0x34/0x190 [ 1113.386815] __do_page_fault+0x5e8/0xe60 [ 1113.390871] ? trace_hardirqs_off+0xb8/0x310 [ 1113.395271] ? kernel_write+0x120/0x120 [ 1113.399248] do_page_fault+0xf2/0x7e0 [ 1113.403043] ? vmalloc_sync_all+0x30/0x30 [ 1113.407186] ? error_entry+0x70/0xd0 [ 1113.410896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1113.415905] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1113.420831] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1113.425755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1113.430598] ? trace_hardirqs_on_caller+0x310/0x310 [ 1113.435607] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1113.441058] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1113.446070] ? page_fault+0x8/0x30 [ 1113.449606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1113.454445] ? page_fault+0x8/0x30 [ 1113.457985] page_fault+0x1e/0x30 [ 1113.461430] RIP: 0033:0x404068 [ 1113.464629] Code: Bad RIP value. [ 1113.467984] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1113.473345] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1113.480606] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1113.487868] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1113.495132] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1113.502391] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1113.509673] warn_alloc_show_mem: 1 callbacks suppressed [ 1113.509684] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1113.509689] Mem-Info: [ 1113.509720] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1113.509720] active_file:12 inactive_file:9 isolated_file:0 [ 1113.509720] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1113.509720] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1113.509720] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1113.509720] free:13627 free_pcp:121 free_cma:0 [ 1113.515058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1113.522340] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1113.524723] Call Trace: [ 1113.557578] 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 [ 1113.566943] dump_stack+0x244/0x39d [ 1113.594579] lowmem_reserve[]: 0 2818 6321 6321 [ 1113.597157] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1113.623234] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1113.626867] warn_alloc.cold.116+0xb7/0x1bd [ 1113.631403] lowmem_reserve[]: 0 0 3503 3503 [ 1113.636589] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1113.663878] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1113.668204] ? lock_downgrade+0x900/0x900 [ 1113.672490] lowmem_reserve[]: 0 0 0 0 [ 1113.677343] ? trace_hardirqs_off+0xb8/0x310 [ 1113.706014] 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 [ 1113.710173] ? trace_hardirqs_off+0xb8/0x310 [ 1113.713937] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1113.718344] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1113.731832] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1113.736271] ? warn_alloc+0x120/0x120 [ 1113.751830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1113.756658] ? warn_alloc+0x120/0x120 [ 1113.770067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1113.773852] ? dev_hard_start_xmit+0x42c/0xc80 [ 1113.782658] 4359 total pagecache pages [ 1113.786444] ? warn_alloc+0x120/0x120 [ 1113.795000] 0 pages in swap cache [ 1113.799569] ? print_usage_bug+0xc0/0xc0 [ 1113.803429] Swap cache stats: add 0, delete 0, find 0/0 [ 1113.807205] ? find_held_lock+0x36/0x1c0 [ 1113.807224] ? print_usage_bug+0xc0/0xc0 [ 1113.810649] Free swap = 0kB [ 1113.814697] ? cpuacct_charge+0x265/0x440 [ 1113.820027] Total swap = 0kB [ 1113.824079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1113.828110] 1965979 pages RAM [ 1113.831118] ? should_fail+0x22d/0xd01 [ 1113.835239] 0 pages HighMem/MovableOnly [ 1113.838245] ? find_held_lock+0x36/0x1c0 [ 1113.843744] 342854 pages reserved [ 1113.843752] 0 pages cma reserved [ 1113.846849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1113.850754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1113.854663] ? __lock_acquire+0x62f/0x4c20 [ 1113.858786] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1113.862165] ? should_fail+0x22d/0xd01 [ 1113.865497] syz-fuzzer cpuset=/ mems_allowed=0 [ 1113.870607] ? mark_held_locks+0x130/0x130 [ 1113.904171] ? mark_held_locks+0x130/0x130 [ 1113.908413] ? __lock_acquire+0x62f/0x4c20 [ 1113.912655] ? zap_class+0x640/0x640 [ 1113.916367] ? __lock_is_held+0xb5/0x140 [ 1113.920430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1113.925967] ? check_preemption_disabled+0x48/0x280 [ 1113.930990] ? __lock_is_held+0xb5/0x140 [ 1113.935056] __alloc_pages_nodemask+0xa80/0xde0 [ 1113.939724] ? zap_class+0x640/0x640 [ 1113.943439] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1113.948462] ? find_held_lock+0x36/0x1c0 [ 1113.952551] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1113.957217] ? lock_downgrade+0x900/0x900 [ 1113.961372] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1113.966910] cache_grow_begin+0xa5/0x8c0 [ 1113.970966] ? do_raw_spin_unlock+0xa7/0x330 [ 1113.975382] fallback_alloc+0x204/0x2e0 [ 1113.979364] ____cache_alloc_node+0x1c7/0x1e0 [ 1113.983864] kmem_cache_alloc+0x1f8/0x730 [ 1113.988019] skb_clone+0x1bb/0x500 [ 1113.991556] ? finish_task_switch+0x2f4/0x910 [ 1113.996047] ? skb_split+0x11e0/0x11e0 [ 1113.999936] ? preempt_notifier_register+0x200/0x200 [ 1114.005033] ? __switch_to_asm+0x34/0x70 [ 1114.009088] ? __switch_to_asm+0x34/0x70 [ 1114.013144] ? __switch_to_asm+0x40/0x70 [ 1114.017215] ? __switch_to_asm+0x34/0x70 [ 1114.021270] ? __switch_to_asm+0x40/0x70 [ 1114.025329] ? __switch_to_asm+0x34/0x70 [ 1114.029386] ? __switch_to_asm+0x40/0x70 [ 1114.033440] ? __switch_to_asm+0x34/0x70 [ 1114.037499] ? __switch_to_asm+0x34/0x70 [ 1114.041645] ? __switch_to_asm+0x40/0x70 [ 1114.045702] ? __switch_to_asm+0x34/0x70 [ 1114.049772] bpf_clone_redirect+0xb9/0x490 [ 1114.054001] ? __schedule+0x8d7/0x21d0 [ 1114.057895] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1114.062909] ? __sched_text_start+0x8/0x8 [ 1114.067065] ? find_held_lock+0x36/0x1c0 [ 1114.071130] ? lock_acquire+0x1ed/0x520 [ 1114.075645] ? bpf_test_run+0x3cb/0x780 [ 1114.079618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.085162] ? check_preemption_disabled+0x48/0x280 [ 1114.090183] ? kasan_check_read+0x11/0x20 [ 1114.094330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1114.099602] ? rcu_softirq_qs+0x20/0x20 [ 1114.103578] ? preempt_schedule+0x4d/0x60 [ 1114.107721] ? ___preempt_schedule+0x16/0x18 [ 1114.112147] ? bpf_test_run+0x25d/0x780 [ 1114.116128] ? netlink_diag_dump+0x2a0/0x2a0 [ 1114.120543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1114.126074] ? bpf_test_init.isra.10+0x70/0x100 [ 1114.130747] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1114.135509] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1114.140350] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1114.145884] ? fput+0x130/0x1a0 [ 1114.149163] ? __bpf_prog_get+0x9b/0x290 [ 1114.153226] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1114.158062] ? bpf_prog_test_run+0x130/0x1a0 [ 1114.162471] ? __x64_sys_bpf+0x3d8/0x520 [ 1114.166917] ? bpf_prog_get+0x20/0x20 [ 1114.170736] ? do_syscall_64+0x1b9/0x820 [ 1114.174797] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1114.180160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1114.185085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1114.189929] ? trace_hardirqs_on_caller+0x310/0x310 [ 1114.194947] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1114.199966] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1114.204985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1114.210712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1114.216094] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1114.220851] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1114.223111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1114.233580] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1114.242916] Call Trace: [ 1114.250566] [ 1114.252722] dump_stack+0x244/0x39d [ 1114.256355] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1114.261554] warn_alloc.cold.116+0xb7/0x1bd [ 1114.265963] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1114.270803] ? lock_downgrade+0x900/0x900 [ 1114.274952] ? trace_hardirqs_off+0xb8/0x310 [ 1114.279363] ? trace_hardirqs_off+0xb8/0x310 [ 1114.283777] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1114.288649] ? warn_alloc+0x120/0x120 [ 1114.292451] ? print_usage_bug+0xc0/0xc0 [ 1114.296509] ? warn_alloc+0x120/0x120 [ 1114.300309] ? warn_alloc+0x120/0x120 [ 1114.304107] ? print_usage_bug+0xc0/0xc0 [ 1114.308167] ? kvm_clock_read+0x18/0x30 [ 1114.312141] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1114.317153] ? print_usage_bug+0xc0/0xc0 [ 1114.321212] ? __lock_acquire+0x62f/0x4c20 [ 1114.325452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1114.330987] ? should_fail+0x22d/0xd01 [ 1114.334872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1114.340146] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1114.345247] ? __lock_acquire+0x62f/0x4c20 [ 1114.349489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1114.354584] ? __lock_acquire+0x62f/0x4c20 [ 1114.358811] ? should_fail+0x22d/0xd01 [ 1114.362692] ? rcu_irq_exit+0x1a2/0x390 [ 1114.366670] ? mark_held_locks+0x130/0x130 [ 1114.370904] ? mark_held_locks+0x130/0x130 [ 1114.375138] ? mark_held_locks+0xc7/0x130 [ 1114.379279] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1114.384292] ? zap_class+0x640/0x640 [ 1114.387999] ? print_usage_bug+0xc0/0xc0 [ 1114.392065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.397597] ? check_preemption_disabled+0x48/0x280 [ 1114.402624] ? __lock_is_held+0xb5/0x140 [ 1114.406690] __alloc_pages_nodemask+0xa80/0xde0 [ 1114.411358] ? zap_class+0x640/0x640 [ 1114.415071] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1114.420097] ? find_held_lock+0x36/0x1c0 [ 1114.424167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1114.428835] ? lock_downgrade+0x900/0x900 [ 1114.432986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.438524] cache_grow_begin+0xa5/0x8c0 [ 1114.442600] ? do_raw_spin_unlock+0xa7/0x330 [ 1114.447013] fallback_alloc+0x204/0x2e0 [ 1114.450989] ____cache_alloc_node+0x1c7/0x1e0 [ 1114.455504] kmem_cache_alloc_node+0xe3/0x730 [ 1114.459996] ? ipv6_get_ifaddr+0x42e/0x620 [ 1114.464235] __alloc_skb+0x119/0x770 [ 1114.467952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1114.473231] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1114.477642] ? lock_downgrade+0x900/0x900 [ 1114.481792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.487324] ? refcount_sub_and_test_checked+0x203/0x310 [ 1114.492777] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1114.498222] ? addrconf_rs_timer+0x690/0x690 [ 1114.502645] ndisc_alloc_skb+0x144/0x340 [ 1114.506705] ndisc_send_rs+0x331/0x6e0 [ 1114.510591] addrconf_rs_timer+0x314/0x690 [ 1114.514833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1114.519071] call_timer_fn+0x272/0x920 [ 1114.522956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1114.527184] ? process_timeout+0x40/0x40 [ 1114.531255] ? mark_held_locks+0xc7/0x130 [ 1114.535401] ? _raw_spin_unlock_irq+0x27/0x80 [ 1114.539890] ? _raw_spin_unlock_irq+0x27/0x80 [ 1114.544388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1114.548622] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1114.553203] ? trace_hardirqs_on+0xbd/0x310 [ 1114.557518] ? kasan_check_read+0x11/0x20 [ 1114.561657] ? __run_timers+0x7da/0xc70 [ 1114.565628] ? trace_hardirqs_off_caller+0x310/0x310 [ 1114.570733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1114.574968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1114.579195] __run_timers+0x7e5/0xc70 [ 1114.582999] ? timer_fixup_init+0x70/0x70 [ 1114.587143] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1114.592157] ? zap_class+0x640/0x640 [ 1114.595875] ? print_usage_bug+0xc0/0xc0 [ 1114.599936] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1114.605140] ? find_held_lock+0x36/0x1c0 [ 1114.609201] ? zap_class+0x640/0x640 [ 1114.612926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.618458] ? check_preemption_disabled+0x48/0x280 [ 1114.623476] ? __lock_is_held+0xb5/0x140 [ 1114.627534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.633065] ? check_preemption_disabled+0x48/0x280 [ 1114.638082] run_timer_softirq+0x52/0xb0 [ 1114.642136] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1114.647148] __do_softirq+0x308/0xb7e [ 1114.650947] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1114.655436] ? lock_downgrade+0x900/0x900 [ 1114.659583] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1114.664690] ? pvclock_read_flags+0x160/0x160 [ 1114.669184] ? lapic_next_event+0x5a/0x90 [ 1114.673327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.678863] ? kvm_clock_read+0x18/0x30 [ 1114.682830] ? kvm_sched_clock_read+0x9/0x20 [ 1114.687251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.692787] ? check_preemption_disabled+0x48/0x280 [ 1114.697805] irq_exit+0x17f/0x1c0 [ 1114.701261] smp_apic_timer_interrupt+0x1cb/0x760 [ 1114.706095] ? smp_reschedule_interrupt+0x109/0x650 [ 1114.711106] ? smp_call_function_single_interrupt+0x650/0x650 [ 1114.716985] ? interrupt_entry+0xb5/0xc0 [ 1114.721042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1114.726053] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1114.731064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1114.735903] ? trace_hardirqs_on_caller+0x310/0x310 [ 1114.740914] ? trace_hardirqs_on_caller+0x310/0x310 [ 1114.745923] ? task_prio+0x50/0x50 [ 1114.749463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.754995] ? check_preemption_disabled+0x48/0x280 [ 1114.760015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1114.764867] apic_timer_interrupt+0xf/0x20 [ 1114.769177] [ 1114.771407] RIP: 0010:console_unlock+0x102f/0x1190 [ 1114.776334] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1114.795233] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1114.802934] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1114.810198] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1114.817465] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1114.824727] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1114.831992] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1114.839272] ? netconsole_netdev_event+0x280/0x280 [ 1114.844210] ? console_unlock+0x1026/0x1190 [ 1114.848553] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1114.853232] ? vprintk_emit+0x846/0x990 [ 1114.857203] ? lock_release+0xa00/0xa00 [ 1114.861179] ? trace_hardirqs_on+0x70/0x310 [ 1114.865499] ? vprintk_default+0x28/0x30 [ 1114.869558] ? trace_hardirqs_off_caller+0x310/0x310 [ 1114.874658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.880202] vprintk_emit+0x391/0x990 [ 1114.884012] ? wake_up_klogd+0x180/0x180 [ 1114.888074] ? find_held_lock+0x11/0x1c0 [ 1114.892140] ? mark_held_locks+0xc7/0x130 [ 1114.896299] ? _raw_spin_unlock_irq+0x27/0x80 [ 1114.900792] ? _raw_spin_unlock_irq+0x27/0x80 [ 1114.905828] vprintk_default+0x28/0x30 [ 1114.909715] vprintk_func+0x7e/0x181 [ 1114.913428] printk+0xa7/0xcf [ 1114.916528] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1114.921281] ? _raw_spin_unlock_irq+0x60/0x80 [ 1114.925783] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1114.931065] dump_header+0x7cc/0xf72 [ 1114.934783] ? pagefault_out_of_memory+0x197/0x197 [ 1114.939732] ? __lock_acquire+0x62f/0x4c20 [ 1114.943970] ? print_usage_bug+0xc0/0xc0 [ 1114.948031] ? zap_class+0x640/0x640 [ 1114.951742] ? print_usage_bug+0xc0/0xc0 [ 1114.955806] ? print_usage_bug+0xc0/0xc0 [ 1114.959864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1114.965404] ? find_held_lock+0x36/0x1c0 [ 1114.969471] ? mark_held_locks+0xc7/0x130 [ 1114.973617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1114.978715] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1114.983817] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1114.988394] ? trace_hardirqs_on+0xbd/0x310 [ 1114.992708] ? kasan_check_read+0x11/0x20 [ 1114.996853] ? ___ratelimit+0x3b4/0x672 [ 1115.000823] ? trace_hardirqs_off_caller+0x310/0x310 [ 1115.005926] ? trace_hardirqs_on+0x310/0x310 [ 1115.010333] ? lock_downgrade+0x900/0x900 [ 1115.014480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1115.019583] ? ___ratelimit+0x3b9/0x672 [ 1115.023558] ? idr_get_free+0xf70/0xf70 [ 1115.027535] ? find_held_lock+0x36/0x1c0 [ 1115.031606] oom_kill_process.cold.27+0x10/0x903 [ 1115.036360] ? zap_class+0x640/0x640 [ 1115.040068] ? check_preemption_disabled+0x48/0x280 [ 1115.045084] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1115.050006] ? kasan_check_read+0x11/0x20 [ 1115.054149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1115.059422] ? oom_evaluate_task+0x540/0x540 [ 1115.063830] ? find_held_lock+0x36/0x1c0 [ 1115.067896] ? out_of_memory+0x974/0x1430 [ 1115.072039] ? lock_downgrade+0x900/0x900 [ 1115.076183] ? check_preemption_disabled+0x48/0x280 [ 1115.081211] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1115.086133] ? kasan_check_read+0x11/0x20 [ 1115.090275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1115.095552] ? rcu_softirq_qs+0x20/0x20 [ 1115.099530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1115.105063] ? oom_evaluate_task+0x302/0x540 [ 1115.109470] out_of_memory+0xa84/0x1430 [ 1115.113448] ? oom_killer_disable+0x3a0/0x3a0 [ 1115.117937] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1115.122864] ? __ww_mutex_check_waiters+0x160/0x160 [ 1115.127888] __alloc_pages_slowpath+0x2354/0x2e10 [ 1115.132758] ? warn_alloc+0x120/0x120 [ 1115.136554] ? mark_held_locks+0x130/0x130 [ 1115.140794] ? find_get_entry+0xaae/0x1120 [ 1115.145031] ? filemap_map_pages+0x1a20/0x1a20 [ 1115.149615] ? zap_class+0x640/0x640 [ 1115.153332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1115.158862] ? check_preemption_disabled+0x48/0x280 [ 1115.164082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1115.169613] ? should_fail+0x22d/0xd01 [ 1115.173498] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1115.178596] ? zap_class+0x640/0x640 [ 1115.182328] ? __lock_is_held+0xb5/0x140 [ 1115.186397] ? mark_held_locks+0x130/0x130 [ 1115.190654] ? lock_release+0xa00/0xa00 [ 1115.194623] ? perf_trace_sched_process_exec+0x860/0x860 [ 1115.200071] ? xa_load+0x2ba/0x460 [ 1115.203611] ? lock_downgrade+0x900/0x900 [ 1115.207758] ? __might_sleep+0x95/0x190 [ 1115.211735] __alloc_pages_nodemask+0xa80/0xde0 [ 1115.216405] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1115.221420] ? __page_cache_alloc+0x191/0x5c0 [ 1115.225911] ? xa_load+0x2e1/0x460 [ 1115.229447] ? xa_clear_mark+0x40/0x40 [ 1115.233331] ? zap_class+0x640/0x640 [ 1115.237049] ? zap_class+0x640/0x640 [ 1115.240760] ? zap_class+0x640/0x640 [ 1115.244471] ? __do_page_cache_readahead+0x663/0x810 [ 1115.249578] ? find_held_lock+0x36/0x1c0 [ 1115.253639] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1115.259175] alloc_pages_current+0x173/0x350 [ 1115.263594] __page_cache_alloc+0x38c/0x5c0 [ 1115.267908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1115.272829] ? kasan_check_read+0x11/0x20 [ 1115.276970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1115.282242] ? generic_perform_write+0x6a0/0x6a0 [ 1115.286995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1115.292528] ? check_preemption_disabled+0x48/0x280 [ 1115.297556] filemap_fault+0x1595/0x25f0 [ 1115.301623] ? __lock_page_or_retry+0xa00/0xa00 [ 1115.306288] ? mark_held_locks+0x130/0x130 [ 1115.310530] ? filemap_map_pages+0xd6b/0x1a20 [ 1115.315022] ? lock_downgrade+0x900/0x900 [ 1115.319167] ? check_preemption_disabled+0x48/0x280 [ 1115.324194] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1115.329119] ? kasan_check_read+0x11/0x20 [ 1115.333263] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1115.338533] ? rcu_softirq_qs+0x20/0x20 [ 1115.342522] ? filemap_map_pages+0xd92/0x1a20 [ 1115.347025] ? find_get_entries_tag+0x1400/0x1400 [ 1115.351865] ? find_held_lock+0x36/0x1c0 [ 1115.355938] ? lock_acquire+0x1ed/0x520 [ 1115.359905] ? ext4_filemap_fault+0x7a/0xad [ 1115.364229] ? lock_release+0xa00/0xa00 [ 1115.368200] ? perf_trace_sched_process_exec+0x860/0x860 [ 1115.373648] ? print_usage_bug+0xc0/0xc0 [ 1115.377716] ? down_read+0x8d/0x120 [ 1115.381339] ? ext4_filemap_fault+0x7a/0xad [ 1115.385657] ? __down_interruptible+0x700/0x700 [ 1115.390322] ? find_held_lock+0x36/0x1c0 [ 1115.394381] ext4_filemap_fault+0x82/0xad [ 1115.398522] __do_fault+0x100/0x6b0 [ 1115.402151] ? lock_downgrade+0x900/0x900 [ 1115.406304] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1115.411411] ? kasan_check_read+0x11/0x20 [ 1115.415558] ? do_raw_spin_unlock+0xa7/0x330 [ 1115.419963] ? do_raw_spin_trylock+0x270/0x270 [ 1115.424580] __handle_mm_fault+0x3ea0/0x5be0 [ 1115.428982] ? perf_trace_lock+0x7a0/0x7a0 [ 1115.433222] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1115.438067] ? ksys_dup3+0x680/0x680 [ 1115.441788] ? zap_class+0x640/0x640 [ 1115.445498] ? zap_class+0x640/0x640 [ 1115.449204] ? __x64_sys_futex+0x53e/0x6a0 [ 1115.453436] ? find_held_lock+0x36/0x1c0 [ 1115.457502] ? handle_mm_fault+0x42a/0xc70 [ 1115.461741] ? lock_downgrade+0x900/0x900 [ 1115.465885] ? check_preemption_disabled+0x48/0x280 [ 1115.470906] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1115.475831] ? kasan_check_read+0x11/0x20 [ 1115.479972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1115.485248] ? rcu_softirq_qs+0x20/0x20 [ 1115.489216] ? trace_hardirqs_off_caller+0x310/0x310 [ 1115.494314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1115.499849] ? check_preemption_disabled+0x48/0x280 [ 1115.504868] handle_mm_fault+0x54f/0xc70 [ 1115.508925] ? __handle_mm_fault+0x5be0/0x5be0 [ 1115.513506] ? find_vma+0x34/0x190 [ 1115.517054] __do_page_fault+0x5e8/0xe60 [ 1115.521109] ? trace_hardirqs_off+0xb8/0x310 [ 1115.525511] ? kernel_write+0x120/0x120 [ 1115.529492] do_page_fault+0xf2/0x7e0 [ 1115.533293] ? vmalloc_sync_all+0x30/0x30 [ 1115.537436] ? error_entry+0x70/0xd0 [ 1115.541145] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1115.546167] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1115.551092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1115.556013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1115.560850] ? trace_hardirqs_on_caller+0x310/0x310 [ 1115.565860] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1115.571310] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1115.576321] ? page_fault+0x8/0x30 [ 1115.579857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1115.584697] ? page_fault+0x8/0x30 [ 1115.588230] page_fault+0x1e/0x30 [ 1115.591674] RIP: 0033:0x404068 [ 1115.594875] Code: Bad RIP value. [ 1115.598229] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1115.603582] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1115.610847] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1115.618108] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1115.625370] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1115.632632] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1115.639915] warn_alloc_show_mem: 1 callbacks suppressed [ 1115.639926] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1115.639928] Mem-Info: [ 1115.639960] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1115.639960] active_file:12 inactive_file:9 isolated_file:0 [ 1115.639960] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1115.639960] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1115.639960] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1115.639960] free:13627 free_pcp:121 free_cma:0 [ 1115.645296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1115.652563] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1115.654951] Call Trace: [ 1115.687805] 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 [ 1115.697167] dump_stack+0x244/0x39d [ 1115.724798] lowmem_reserve[]: 0 2818 6321 6321 [ 1115.727390] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1115.753475] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1115.757105] warn_alloc.cold.116+0xb7/0x1bd [ 1115.761639] lowmem_reserve[]: 0 0 3503 3503 [ 1115.766827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1115.794119] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1115.798442] ? lock_downgrade+0x900/0x900 [ 1115.802721] lowmem_reserve[]: 0 0 0 0 [ 1115.807567] ? trace_hardirqs_off+0xb8/0x310 [ 1115.836241] 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 [ 1115.840384] ? trace_hardirqs_off+0xb8/0x310 [ 1115.844154] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1115.848559] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1115.862046] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1115.866475] ? warn_alloc+0x120/0x120 [ 1115.882030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1115.886860] ? warn_alloc+0x120/0x120 [ 1115.900281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1115.904068] ? dev_hard_start_xmit+0x42c/0xc80 [ 1115.912871] 4359 total pagecache pages [ 1115.916659] ? warn_alloc+0x120/0x120 [ 1115.925213] 0 pages in swap cache [ 1115.929868] ? print_usage_bug+0xc0/0xc0 [ 1115.933733] Swap cache stats: add 0, delete 0, find 0/0 [ 1115.933741] Free swap = 0kB [ 1115.937526] ? find_held_lock+0x36/0x1c0 [ 1115.940952] Total swap = 0kB [ 1115.945005] ? print_usage_bug+0xc0/0xc0 [ 1115.950339] 1965979 pages RAM [ 1115.953345] ? cpuacct_charge+0x265/0x440 [ 1115.957374] 0 pages HighMem/MovableOnly [ 1115.960380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1115.964404] 342854 pages reserved [ 1115.964412] 0 pages cma reserved [ 1115.967508] ? should_fail+0x22d/0xd01 [ 1115.971680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1115.975582] ? find_held_lock+0x36/0x1c0 [ 1115.975603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1115.975621] ? __lock_acquire+0x62f/0x4c20 [ 1115.981198] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1115.984589] ? should_fail+0x22d/0xd01 [ 1115.987924] syz-fuzzer cpuset=/ mems_allowed=0 [ 1115.991811] ? mark_held_locks+0x130/0x130 [ 1116.034555] ? mark_held_locks+0x130/0x130 [ 1116.038788] ? __lock_acquire+0x62f/0x4c20 [ 1116.043025] ? zap_class+0x640/0x640 [ 1116.046739] ? __lock_is_held+0xb5/0x140 [ 1116.050803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.056337] ? check_preemption_disabled+0x48/0x280 [ 1116.061362] ? __lock_is_held+0xb5/0x140 [ 1116.065429] __alloc_pages_nodemask+0xa80/0xde0 [ 1116.070095] ? zap_class+0x640/0x640 [ 1116.074300] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1116.079331] ? find_held_lock+0x36/0x1c0 [ 1116.083442] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1116.088136] ? lock_downgrade+0x900/0x900 [ 1116.092291] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1116.097832] cache_grow_begin+0xa5/0x8c0 [ 1116.101889] ? do_raw_spin_unlock+0xa7/0x330 [ 1116.106306] fallback_alloc+0x204/0x2e0 [ 1116.110382] ____cache_alloc_node+0x1c7/0x1e0 [ 1116.114878] kmem_cache_alloc+0x1f8/0x730 [ 1116.119037] skb_clone+0x1bb/0x500 [ 1116.122577] ? finish_task_switch+0x2f4/0x910 [ 1116.127080] ? skb_split+0x11e0/0x11e0 [ 1116.130970] ? preempt_notifier_register+0x200/0x200 [ 1116.136073] ? __switch_to_asm+0x34/0x70 [ 1116.140135] ? __switch_to_asm+0x34/0x70 [ 1116.144191] ? __switch_to_asm+0x40/0x70 [ 1116.148249] ? __switch_to_asm+0x34/0x70 [ 1116.152307] ? __switch_to_asm+0x40/0x70 [ 1116.156367] ? __switch_to_asm+0x34/0x70 [ 1116.160424] ? __switch_to_asm+0x40/0x70 [ 1116.164855] ? __switch_to_asm+0x34/0x70 [ 1116.168909] ? __switch_to_asm+0x34/0x70 [ 1116.172964] ? __switch_to_asm+0x40/0x70 [ 1116.177024] ? __switch_to_asm+0x34/0x70 [ 1116.181090] bpf_clone_redirect+0xb9/0x490 [ 1116.185341] ? __schedule+0x8d7/0x21d0 [ 1116.189236] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1116.194256] ? __sched_text_start+0x8/0x8 [ 1116.198415] ? find_held_lock+0x36/0x1c0 [ 1116.202484] ? lock_acquire+0x1ed/0x520 [ 1116.206462] ? bpf_test_run+0x3cb/0x780 [ 1116.210435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.215976] ? check_preemption_disabled+0x48/0x280 [ 1116.221003] ? kasan_check_read+0x11/0x20 [ 1116.225151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1116.230523] ? rcu_softirq_qs+0x20/0x20 [ 1116.234498] ? preempt_schedule+0x4d/0x60 [ 1116.238648] ? ___preempt_schedule+0x16/0x18 [ 1116.243064] ? bpf_test_run+0x25d/0x780 [ 1116.247055] ? netlink_diag_dump+0x2a0/0x2a0 [ 1116.251465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1116.257003] ? bpf_test_init.isra.10+0x70/0x100 [ 1116.261676] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1116.266439] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1116.271277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1116.276824] ? fput+0x130/0x1a0 [ 1116.280110] ? __bpf_prog_get+0x9b/0x290 [ 1116.284171] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1116.289014] ? bpf_prog_test_run+0x130/0x1a0 [ 1116.293425] ? __x64_sys_bpf+0x3d8/0x520 [ 1116.297483] ? bpf_prog_get+0x20/0x20 [ 1116.301303] ? do_syscall_64+0x1b9/0x820 [ 1116.305361] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1116.310725] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1116.315652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1116.320495] ? trace_hardirqs_on_caller+0x310/0x310 [ 1116.325517] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1116.330536] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1116.335558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1116.340408] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1116.345791] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1116.350633] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1116.352812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1116.363282] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1116.372620] Call Trace: [ 1116.380272] [ 1116.382429] dump_stack+0x244/0x39d [ 1116.386064] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1116.391288] warn_alloc.cold.116+0xb7/0x1bd [ 1116.395606] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1116.400454] ? lock_downgrade+0x900/0x900 [ 1116.404614] ? trace_hardirqs_off+0xb8/0x310 [ 1116.409025] ? trace_hardirqs_off+0xb8/0x310 [ 1116.413437] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1116.418307] ? warn_alloc+0x120/0x120 [ 1116.422113] ? print_usage_bug+0xc0/0xc0 [ 1116.426173] ? warn_alloc+0x120/0x120 [ 1116.429977] ? warn_alloc+0x120/0x120 [ 1116.433778] ? print_usage_bug+0xc0/0xc0 [ 1116.437841] ? print_usage_bug+0xc0/0xc0 [ 1116.441900] ? __lock_acquire+0x62f/0x4c20 [ 1116.446139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1116.451674] ? should_fail+0x22d/0xd01 [ 1116.455563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1116.460667] ? __lock_acquire+0x62f/0x4c20 [ 1116.464927] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1116.470022] ? __lock_acquire+0x62f/0x4c20 [ 1116.474248] ? should_fail+0x22d/0xd01 [ 1116.478134] ? find_held_lock+0x36/0x1c0 [ 1116.482200] ? mark_held_locks+0x130/0x130 [ 1116.486440] ? mark_held_locks+0x130/0x130 [ 1116.490671] ? zap_class+0x640/0x640 [ 1116.494380] ? zap_class+0x640/0x640 [ 1116.498097] ? print_usage_bug+0xc0/0xc0 [ 1116.502156] ? do_raw_spin_unlock+0xa7/0x330 [ 1116.506558] ? zap_class+0x640/0x640 [ 1116.510267] ? print_usage_bug+0xc0/0xc0 [ 1116.514325] ? wq_watchdog_touch+0x9c/0xfe [ 1116.518556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.524097] ? check_preemption_disabled+0x48/0x280 [ 1116.529120] ? __lock_is_held+0xb5/0x140 [ 1116.533183] __alloc_pages_nodemask+0xa80/0xde0 [ 1116.537849] ? zap_class+0x640/0x640 [ 1116.541563] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1116.546587] ? find_held_lock+0x36/0x1c0 [ 1116.550654] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1116.555319] ? lock_downgrade+0x900/0x900 [ 1116.559471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.565011] cache_grow_begin+0xa5/0x8c0 [ 1116.569074] ? do_raw_spin_unlock+0xa7/0x330 [ 1116.573498] fallback_alloc+0x204/0x2e0 [ 1116.577476] ____cache_alloc_node+0x1c7/0x1e0 [ 1116.581971] kmem_cache_alloc_node+0xe3/0x730 [ 1116.586462] ? ipv6_get_ifaddr+0x42e/0x620 [ 1116.590704] __alloc_skb+0x119/0x770 [ 1116.594412] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1116.599690] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1116.604098] ? lock_downgrade+0x900/0x900 [ 1116.608247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.613780] ? refcount_sub_and_test_checked+0x203/0x310 [ 1116.619228] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1116.624761] ? addrconf_rs_timer+0x690/0x690 [ 1116.629178] ndisc_alloc_skb+0x144/0x340 [ 1116.633237] ndisc_send_rs+0x331/0x6e0 [ 1116.637123] addrconf_rs_timer+0x314/0x690 [ 1116.641362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1116.645614] call_timer_fn+0x272/0x920 [ 1116.649502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1116.653736] ? process_timeout+0x40/0x40 [ 1116.657801] ? mark_held_locks+0xc7/0x130 [ 1116.661947] ? _raw_spin_unlock_irq+0x27/0x80 [ 1116.666442] ? _raw_spin_unlock_irq+0x27/0x80 [ 1116.670928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1116.675156] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1116.679734] ? trace_hardirqs_on+0xbd/0x310 [ 1116.684050] ? kasan_check_read+0x11/0x20 [ 1116.688195] ? __run_timers+0x7da/0xc70 [ 1116.692165] ? trace_hardirqs_off_caller+0x310/0x310 [ 1116.697265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1116.701499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1116.705725] __run_timers+0x7e5/0xc70 [ 1116.709529] ? timer_fixup_init+0x70/0x70 [ 1116.713673] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1116.718687] ? zap_class+0x640/0x640 [ 1116.722403] ? print_usage_bug+0xc0/0xc0 [ 1116.726464] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1116.731655] ? find_held_lock+0x36/0x1c0 [ 1116.735716] ? zap_class+0x640/0x640 [ 1116.739433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.744966] ? check_preemption_disabled+0x48/0x280 [ 1116.749991] ? __lock_is_held+0xb5/0x140 [ 1116.754047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.759584] ? check_preemption_disabled+0x48/0x280 [ 1116.764603] run_timer_softirq+0x52/0xb0 [ 1116.768660] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1116.773673] __do_softirq+0x308/0xb7e [ 1116.777470] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1116.781958] ? lock_downgrade+0x900/0x900 [ 1116.786106] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1116.791223] ? pvclock_read_flags+0x160/0x160 [ 1116.795716] ? lapic_next_event+0x5a/0x90 [ 1116.799859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.805400] ? kvm_clock_read+0x18/0x30 [ 1116.809372] ? kvm_sched_clock_read+0x9/0x20 [ 1116.813780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.819312] ? check_preemption_disabled+0x48/0x280 [ 1116.824335] irq_exit+0x17f/0x1c0 [ 1116.827785] smp_apic_timer_interrupt+0x1cb/0x760 [ 1116.832620] ? smp_reschedule_interrupt+0x109/0x650 [ 1116.837640] ? smp_call_function_single_interrupt+0x650/0x650 [ 1116.843516] ? interrupt_entry+0xb5/0xc0 [ 1116.847575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1116.852584] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1116.857597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1116.862439] ? trace_hardirqs_on_caller+0x310/0x310 [ 1116.867451] ? trace_hardirqs_on_caller+0x310/0x310 [ 1116.872462] ? task_prio+0x50/0x50 [ 1116.875997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1116.881532] ? check_preemption_disabled+0x48/0x280 [ 1116.886551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1116.891405] apic_timer_interrupt+0xf/0x20 [ 1116.895632] [ 1116.897867] RIP: 0010:console_unlock+0x102f/0x1190 [ 1116.902791] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1116.922253] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1116.929962] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1116.937227] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1116.944490] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1116.951750] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1116.959011] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1116.966292] ? netconsole_netdev_event+0x280/0x280 [ 1116.971223] ? console_unlock+0x1026/0x1190 [ 1116.975560] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1116.980219] ? vprintk_emit+0x846/0x990 [ 1116.984192] ? lock_release+0xa00/0xa00 [ 1116.988163] ? trace_hardirqs_on+0x70/0x310 [ 1116.992481] ? vprintk_default+0x28/0x30 [ 1116.996541] ? trace_hardirqs_off_caller+0x310/0x310 [ 1117.001640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1117.007179] vprintk_emit+0x391/0x990 [ 1117.010981] ? wake_up_klogd+0x180/0x180 [ 1117.015055] ? find_held_lock+0x11/0x1c0 [ 1117.019122] ? mark_held_locks+0xc7/0x130 [ 1117.023267] ? _raw_spin_unlock_irq+0x27/0x80 [ 1117.027754] ? _raw_spin_unlock_irq+0x27/0x80 [ 1117.032251] vprintk_default+0x28/0x30 [ 1117.036131] vprintk_func+0x7e/0x181 [ 1117.039843] printk+0xa7/0xcf [ 1117.042947] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1117.047721] ? _raw_spin_unlock_irq+0x60/0x80 [ 1117.052226] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1117.057509] dump_header+0x7cc/0xf72 [ 1117.061226] ? pagefault_out_of_memory+0x197/0x197 [ 1117.066159] ? __lock_acquire+0x62f/0x4c20 [ 1117.070396] ? print_usage_bug+0xc0/0xc0 [ 1117.074462] ? zap_class+0x640/0x640 [ 1117.078175] ? print_usage_bug+0xc0/0xc0 [ 1117.082232] ? print_usage_bug+0xc0/0xc0 [ 1117.086288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1117.091824] ? find_held_lock+0x36/0x1c0 [ 1117.095889] ? mark_held_locks+0xc7/0x130 [ 1117.100033] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1117.105138] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1117.110237] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1117.114820] ? trace_hardirqs_on+0xbd/0x310 [ 1117.119139] ? kasan_check_read+0x11/0x20 [ 1117.123284] ? ___ratelimit+0x3b4/0x672 [ 1117.127255] ? trace_hardirqs_off_caller+0x310/0x310 [ 1117.132356] ? trace_hardirqs_on+0x310/0x310 [ 1117.136760] ? lock_downgrade+0x900/0x900 [ 1117.140907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1117.146006] ? ___ratelimit+0x3b9/0x672 [ 1117.149983] ? idr_get_free+0xf70/0xf70 [ 1117.153951] ? find_held_lock+0x36/0x1c0 [ 1117.158017] oom_kill_process.cold.27+0x10/0x903 [ 1117.162771] ? zap_class+0x640/0x640 [ 1117.166482] ? check_preemption_disabled+0x48/0x280 [ 1117.171495] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1117.176428] ? kasan_check_read+0x11/0x20 [ 1117.180571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1117.185846] ? oom_evaluate_task+0x540/0x540 [ 1117.190255] ? find_held_lock+0x36/0x1c0 [ 1117.194318] ? out_of_memory+0x974/0x1430 [ 1117.198461] ? lock_downgrade+0x900/0x900 [ 1117.202603] ? check_preemption_disabled+0x48/0x280 [ 1117.207616] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1117.212541] ? kasan_check_read+0x11/0x20 [ 1117.216682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1117.221952] ? rcu_softirq_qs+0x20/0x20 [ 1117.225927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1117.231456] ? oom_evaluate_task+0x302/0x540 [ 1117.235869] out_of_memory+0xa84/0x1430 [ 1117.239847] ? oom_killer_disable+0x3a0/0x3a0 [ 1117.244344] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1117.249269] ? __ww_mutex_check_waiters+0x160/0x160 [ 1117.254290] __alloc_pages_slowpath+0x2354/0x2e10 [ 1117.259155] ? warn_alloc+0x120/0x120 [ 1117.262953] ? mark_held_locks+0x130/0x130 [ 1117.267187] ? find_get_entry+0xaae/0x1120 [ 1117.271425] ? filemap_map_pages+0x1a20/0x1a20 [ 1117.276010] ? zap_class+0x640/0x640 [ 1117.279728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1117.285263] ? check_preemption_disabled+0x48/0x280 [ 1117.290272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1117.295806] ? should_fail+0x22d/0xd01 [ 1117.299693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1117.304792] ? zap_class+0x640/0x640 [ 1117.308525] ? __lock_is_held+0xb5/0x140 [ 1117.312593] ? mark_held_locks+0x130/0x130 [ 1117.316828] ? lock_release+0xa00/0xa00 [ 1117.320797] ? perf_trace_sched_process_exec+0x860/0x860 [ 1117.326240] ? xa_load+0x2ba/0x460 [ 1117.329781] ? lock_downgrade+0x900/0x900 [ 1117.333932] ? __might_sleep+0x95/0x190 [ 1117.337906] __alloc_pages_nodemask+0xa80/0xde0 [ 1117.342580] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1117.347590] ? __page_cache_alloc+0x191/0x5c0 [ 1117.352079] ? xa_load+0x2e1/0x460 [ 1117.355613] ? xa_clear_mark+0x40/0x40 [ 1117.359498] ? zap_class+0x640/0x640 [ 1117.363216] ? zap_class+0x640/0x640 [ 1117.366928] ? zap_class+0x640/0x640 [ 1117.370641] ? __do_page_cache_readahead+0x663/0x810 [ 1117.375744] ? find_held_lock+0x36/0x1c0 [ 1117.379803] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1117.385339] alloc_pages_current+0x173/0x350 [ 1117.389748] __page_cache_alloc+0x38c/0x5c0 [ 1117.394063] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1117.398984] ? kasan_check_read+0x11/0x20 [ 1117.403133] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1117.408407] ? generic_perform_write+0x6a0/0x6a0 [ 1117.413158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1117.418690] ? check_preemption_disabled+0x48/0x280 [ 1117.423715] filemap_fault+0x1595/0x25f0 [ 1117.427786] ? __lock_page_or_retry+0xa00/0xa00 [ 1117.432451] ? mark_held_locks+0x130/0x130 [ 1117.436688] ? filemap_map_pages+0xd6b/0x1a20 [ 1117.441184] ? lock_downgrade+0x900/0x900 [ 1117.445325] ? check_preemption_disabled+0x48/0x280 [ 1117.450337] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1117.455262] ? kasan_check_read+0x11/0x20 [ 1117.459403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1117.464675] ? rcu_softirq_qs+0x20/0x20 [ 1117.468660] ? filemap_map_pages+0xd92/0x1a20 [ 1117.473163] ? find_get_entries_tag+0x1400/0x1400 [ 1117.477999] ? find_held_lock+0x36/0x1c0 [ 1117.482086] ? lock_acquire+0x1ed/0x520 [ 1117.486056] ? ext4_filemap_fault+0x7a/0xad [ 1117.490381] ? lock_release+0xa00/0xa00 [ 1117.494350] ? perf_trace_sched_process_exec+0x860/0x860 [ 1117.499798] ? print_usage_bug+0xc0/0xc0 [ 1117.503871] ? down_read+0x8d/0x120 [ 1117.507492] ? ext4_filemap_fault+0x7a/0xad [ 1117.511809] ? __down_interruptible+0x700/0x700 [ 1117.516474] ? find_held_lock+0x36/0x1c0 [ 1117.520533] ext4_filemap_fault+0x82/0xad [ 1117.524676] __do_fault+0x100/0x6b0 [ 1117.528299] ? lock_downgrade+0x900/0x900 [ 1117.532449] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1117.537554] ? kasan_check_read+0x11/0x20 [ 1117.541697] ? do_raw_spin_unlock+0xa7/0x330 [ 1117.546098] ? do_raw_spin_trylock+0x270/0x270 [ 1117.550693] __handle_mm_fault+0x3ea0/0x5be0 [ 1117.555092] ? perf_trace_lock+0x7a0/0x7a0 [ 1117.559330] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1117.564176] ? ksys_dup3+0x680/0x680 [ 1117.567901] ? zap_class+0x640/0x640 [ 1117.571607] ? zap_class+0x640/0x640 [ 1117.575313] ? __x64_sys_futex+0x53e/0x6a0 [ 1117.579549] ? find_held_lock+0x36/0x1c0 [ 1117.583615] ? handle_mm_fault+0x42a/0xc70 [ 1117.587847] ? lock_downgrade+0x900/0x900 [ 1117.591988] ? check_preemption_disabled+0x48/0x280 [ 1117.597015] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1117.601942] ? kasan_check_read+0x11/0x20 [ 1117.606083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1117.611357] ? rcu_softirq_qs+0x20/0x20 [ 1117.615333] ? trace_hardirqs_off_caller+0x310/0x310 [ 1117.620438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1117.625973] ? check_preemption_disabled+0x48/0x280 [ 1117.631007] handle_mm_fault+0x54f/0xc70 [ 1117.635071] ? __handle_mm_fault+0x5be0/0x5be0 [ 1117.639651] ? find_vma+0x34/0x190 [ 1117.643199] __do_page_fault+0x5e8/0xe60 [ 1117.647278] ? trace_hardirqs_off+0xb8/0x310 [ 1117.651679] ? kernel_write+0x120/0x120 [ 1117.655656] do_page_fault+0xf2/0x7e0 [ 1117.659554] ? vmalloc_sync_all+0x30/0x30 [ 1117.663696] ? error_entry+0x70/0xd0 [ 1117.667409] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1117.672418] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1117.677340] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1117.682265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1117.687102] ? trace_hardirqs_on_caller+0x310/0x310 [ 1117.692113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1117.697565] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1117.702576] ? page_fault+0x8/0x30 [ 1117.706121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1117.710963] ? page_fault+0x8/0x30 [ 1117.714526] page_fault+0x1e/0x30 [ 1117.717972] RIP: 0033:0x404068 [ 1117.721175] Code: Bad RIP value. [ 1117.724532] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1117.729886] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1117.737151] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1117.744415] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1117.751675] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1117.758941] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1117.766227] warn_alloc_show_mem: 1 callbacks suppressed [ 1117.766237] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1117.766239] Mem-Info: [ 1117.766270] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1117.766270] active_file:12 inactive_file:9 isolated_file:0 [ 1117.766270] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1117.766270] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1117.766270] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1117.766270] free:13627 free_pcp:121 free_cma:0 [ 1117.771607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1117.778868] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1117.778876] 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 [ 1117.781287] Call Trace: [ 1117.814137] lowmem_reserve[]: 0 2818 6321 6321 [ 1117.823496] dump_stack+0x244/0x39d [ 1117.851226] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1117.877334] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1117.879886] lowmem_reserve[]: 0 0 3503 3503 [ 1117.884471] warn_alloc.cold.116+0xb7/0x1bd [ 1117.888058] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1117.915388] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1117.920546] lowmem_reserve[]: 0 0 0 0 [ 1117.924861] ? lock_downgrade+0x900/0x900 [ 1117.929155] 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 [ 1117.957874] ? trace_hardirqs_off+0xb8/0x310 [ 1117.962678] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1117.966474] ? trace_hardirqs_off+0xb8/0x310 [ 1117.970589] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1117.984111] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1117.988491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1118.004109] ? warn_alloc+0x120/0x120 [ 1118.008469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1118.021889] ? warn_alloc+0x120/0x120 [ 1118.026703] 4359 total pagecache pages [ 1118.035526] ? dev_hard_start_xmit+0x42c/0xc80 [ 1118.039306] 0 pages in swap cache [ 1118.047863] ? warn_alloc+0x120/0x120 [ 1118.051638] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.055511] ? print_usage_bug+0xc0/0xc0 [ 1118.060062] Free swap = 0kB [ 1118.063519] ? find_held_lock+0x36/0x1c0 [ 1118.067291] Total swap = 0kB [ 1118.073178] ? print_usage_bug+0xc0/0xc0 [ 1118.077207] 1965979 pages RAM [ 1118.080216] ? cpuacct_charge+0x265/0x440 [ 1118.084244] 0 pages HighMem/MovableOnly [ 1118.087252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1118.091275] 342854 pages reserved [ 1118.091283] 0 pages cma reserved [ 1118.094375] ? should_fail+0x22d/0xd01 [ 1118.098548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1118.102449] ? find_held_lock+0x36/0x1c0 [ 1118.102469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1118.108061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1118.111425] ? __lock_acquire+0x62f/0x4c20 [ 1118.114763] syz-fuzzer cpuset=/ mems_allowed=0 [ 1118.118638] ? should_fail+0x22d/0xd01 [ 1118.157189] ? mark_held_locks+0x130/0x130 [ 1118.161423] ? mark_held_locks+0x130/0x130 [ 1118.166092] ? __lock_acquire+0x62f/0x4c20 [ 1118.170328] ? zap_class+0x640/0x640 [ 1118.174124] ? __lock_is_held+0xb5/0x140 [ 1118.178189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.183722] ? check_preemption_disabled+0x48/0x280 [ 1118.188745] ? __lock_is_held+0xb5/0x140 [ 1118.192808] __alloc_pages_nodemask+0xa80/0xde0 [ 1118.197485] ? zap_class+0x640/0x640 [ 1118.201204] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1118.206228] ? find_held_lock+0x36/0x1c0 [ 1118.210305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1118.214983] ? lock_downgrade+0x900/0x900 [ 1118.219135] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1118.224672] cache_grow_begin+0xa5/0x8c0 [ 1118.228731] ? do_raw_spin_unlock+0xa7/0x330 [ 1118.233143] fallback_alloc+0x204/0x2e0 [ 1118.237129] ____cache_alloc_node+0x1c7/0x1e0 [ 1118.241625] kmem_cache_alloc+0x1f8/0x730 [ 1118.245781] skb_clone+0x1bb/0x500 [ 1118.249327] ? finish_task_switch+0x2f4/0x910 [ 1118.253827] ? skb_split+0x11e0/0x11e0 [ 1118.257715] ? preempt_notifier_register+0x200/0x200 [ 1118.262819] ? __switch_to_asm+0x34/0x70 [ 1118.266876] ? __switch_to_asm+0x34/0x70 [ 1118.270935] ? __switch_to_asm+0x40/0x70 [ 1118.274996] ? __switch_to_asm+0x34/0x70 [ 1118.279052] ? __switch_to_asm+0x40/0x70 [ 1118.283109] ? __switch_to_asm+0x34/0x70 [ 1118.287166] ? __switch_to_asm+0x40/0x70 [ 1118.291219] ? __switch_to_asm+0x34/0x70 [ 1118.295279] ? __switch_to_asm+0x34/0x70 [ 1118.299333] ? __switch_to_asm+0x40/0x70 [ 1118.303386] ? __switch_to_asm+0x34/0x70 [ 1118.307456] bpf_clone_redirect+0xb9/0x490 [ 1118.311686] ? __schedule+0x8d7/0x21d0 [ 1118.315577] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1118.320590] ? __sched_text_start+0x8/0x8 [ 1118.324746] ? find_held_lock+0x36/0x1c0 [ 1118.328818] ? lock_acquire+0x1ed/0x520 [ 1118.332788] ? bpf_test_run+0x3cb/0x780 [ 1118.336762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.342307] ? check_preemption_disabled+0x48/0x280 [ 1118.347326] ? kasan_check_read+0x11/0x20 [ 1118.351473] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1118.356744] ? rcu_softirq_qs+0x20/0x20 [ 1118.360717] ? preempt_schedule+0x4d/0x60 [ 1118.364864] ? ___preempt_schedule+0x16/0x18 [ 1118.369278] ? bpf_test_run+0x25d/0x780 [ 1118.373260] ? netlink_diag_dump+0x2a0/0x2a0 [ 1118.377667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1118.383209] ? bpf_test_init.isra.10+0x70/0x100 [ 1118.387878] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1118.392644] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1118.397481] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1118.403013] ? fput+0x130/0x1a0 [ 1118.406289] ? __bpf_prog_get+0x9b/0x290 [ 1118.410352] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1118.415189] ? bpf_prog_test_run+0x130/0x1a0 [ 1118.419597] ? __x64_sys_bpf+0x3d8/0x520 [ 1118.423655] ? bpf_prog_get+0x20/0x20 [ 1118.427470] ? do_syscall_64+0x1b9/0x820 [ 1118.431527] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1118.436894] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1118.441820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.446663] ? trace_hardirqs_on_caller+0x310/0x310 [ 1118.451678] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1118.456693] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1118.461713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.466559] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1118.471944] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1118.476746] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1118.478958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1118.489439] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1118.498775] Call Trace: [ 1118.506424] [ 1118.508583] dump_stack+0x244/0x39d [ 1118.512211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1118.517412] warn_alloc.cold.116+0xb7/0x1bd [ 1118.521730] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1118.526572] ? lock_downgrade+0x900/0x900 [ 1118.530727] ? trace_hardirqs_off+0xb8/0x310 [ 1118.535136] ? trace_hardirqs_off+0xb8/0x310 [ 1118.539551] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1118.544420] ? warn_alloc+0x120/0x120 [ 1118.548216] ? print_usage_bug+0xc0/0xc0 [ 1118.552274] ? warn_alloc+0x120/0x120 [ 1118.556075] ? warn_alloc+0x120/0x120 [ 1118.559870] ? print_usage_bug+0xc0/0xc0 [ 1118.563933] ? kvm_clock_read+0x18/0x30 [ 1118.567901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1118.572927] ? print_usage_bug+0xc0/0xc0 [ 1118.576987] ? __lock_acquire+0x62f/0x4c20 [ 1118.581229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1118.586761] ? should_fail+0x22d/0xd01 [ 1118.590642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1118.595928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1118.601026] ? __lock_acquire+0x62f/0x4c20 [ 1118.605259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1118.610360] ? __lock_acquire+0x62f/0x4c20 [ 1118.614586] ? should_fail+0x22d/0xd01 [ 1118.618465] ? rcu_irq_exit+0x1a2/0x390 [ 1118.622447] ? mark_held_locks+0x130/0x130 [ 1118.626725] ? mark_held_locks+0x130/0x130 [ 1118.630957] ? mark_held_locks+0xc7/0x130 [ 1118.635104] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1118.640113] ? zap_class+0x640/0x640 [ 1118.643820] ? print_usage_bug+0xc0/0xc0 [ 1118.647878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.653409] ? check_preemption_disabled+0x48/0x280 [ 1118.658431] ? __lock_is_held+0xb5/0x140 [ 1118.662492] __alloc_pages_nodemask+0xa80/0xde0 [ 1118.667157] ? zap_class+0x640/0x640 [ 1118.670872] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1118.675895] ? find_held_lock+0x36/0x1c0 [ 1118.679965] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1118.684630] ? lock_downgrade+0x900/0x900 [ 1118.688783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.694320] cache_grow_begin+0xa5/0x8c0 [ 1118.698374] ? do_raw_spin_unlock+0xa7/0x330 [ 1118.702786] fallback_alloc+0x204/0x2e0 [ 1118.706773] ____cache_alloc_node+0x1c7/0x1e0 [ 1118.711269] kmem_cache_alloc_node+0xe3/0x730 [ 1118.715762] ? ipv6_get_ifaddr+0x42e/0x620 [ 1118.720028] __alloc_skb+0x119/0x770 [ 1118.723733] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1118.729024] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1118.733425] ? lock_downgrade+0x900/0x900 [ 1118.737574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.743108] ? refcount_sub_and_test_checked+0x203/0x310 [ 1118.748556] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1118.754004] ? addrconf_rs_timer+0x690/0x690 [ 1118.758419] ndisc_alloc_skb+0x144/0x340 [ 1118.762479] ndisc_send_rs+0x331/0x6e0 [ 1118.766367] addrconf_rs_timer+0x314/0x690 [ 1118.770606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1118.774847] call_timer_fn+0x272/0x920 [ 1118.778731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1118.782962] ? process_timeout+0x40/0x40 [ 1118.787030] ? mark_held_locks+0xc7/0x130 [ 1118.791173] ? _raw_spin_unlock_irq+0x27/0x80 [ 1118.795659] ? _raw_spin_unlock_irq+0x27/0x80 [ 1118.800149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1118.804378] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1118.808959] ? trace_hardirqs_on+0xbd/0x310 [ 1118.813281] ? kasan_check_read+0x11/0x20 [ 1118.817422] ? __run_timers+0x7da/0xc70 [ 1118.821390] ? trace_hardirqs_off_caller+0x310/0x310 [ 1118.826595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1118.830831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1118.835058] __run_timers+0x7e5/0xc70 [ 1118.838862] ? timer_fixup_init+0x70/0x70 [ 1118.843010] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1118.848020] ? zap_class+0x640/0x640 [ 1118.851765] ? print_usage_bug+0xc0/0xc0 [ 1118.855821] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1118.861010] ? find_held_lock+0x36/0x1c0 [ 1118.865075] ? zap_class+0x640/0x640 [ 1118.868792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.874323] ? check_preemption_disabled+0x48/0x280 [ 1118.879342] ? __lock_is_held+0xb5/0x140 [ 1118.883402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.888938] ? check_preemption_disabled+0x48/0x280 [ 1118.893953] run_timer_softirq+0x52/0xb0 [ 1118.898008] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1118.903020] __do_softirq+0x308/0xb7e [ 1118.907350] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1118.911875] ? lock_downgrade+0x900/0x900 [ 1118.916036] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1118.921141] ? pvclock_read_flags+0x160/0x160 [ 1118.925632] ? lapic_next_event+0x5a/0x90 [ 1118.929777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.935318] ? kvm_clock_read+0x18/0x30 [ 1118.939287] ? kvm_sched_clock_read+0x9/0x20 [ 1118.943692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1118.949224] ? check_preemption_disabled+0x48/0x280 [ 1118.954257] irq_exit+0x17f/0x1c0 [ 1118.957706] smp_apic_timer_interrupt+0x1cb/0x760 [ 1118.962540] ? smp_reschedule_interrupt+0x109/0x650 [ 1118.967553] ? smp_call_function_single_interrupt+0x650/0x650 [ 1118.973433] ? interrupt_entry+0xb5/0xc0 [ 1118.977491] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1118.982501] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1118.987511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1118.992352] ? trace_hardirqs_on_caller+0x310/0x310 [ 1118.997359] ? trace_hardirqs_on_caller+0x310/0x310 [ 1119.002371] ? task_prio+0x50/0x50 [ 1119.005916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1119.011452] ? check_preemption_disabled+0x48/0x280 [ 1119.016467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1119.021315] apic_timer_interrupt+0xf/0x20 [ 1119.025536] [ 1119.027772] RIP: 0010:console_unlock+0x102f/0x1190 [ 1119.032697] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1119.051589] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1119.059292] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1119.066554] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1119.073814] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1119.081078] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1119.088342] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1119.095616] ? netconsole_netdev_event+0x280/0x280 [ 1119.100544] ? console_unlock+0x1026/0x1190 [ 1119.104912] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1119.109573] ? vprintk_emit+0x846/0x990 [ 1119.113554] ? lock_release+0xa00/0xa00 [ 1119.117524] ? trace_hardirqs_on+0x70/0x310 [ 1119.121843] ? vprintk_default+0x28/0x30 [ 1119.125907] ? trace_hardirqs_off_caller+0x310/0x310 [ 1119.131005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1119.136545] vprintk_emit+0x391/0x990 [ 1119.140344] ? wake_up_klogd+0x180/0x180 [ 1119.144408] ? find_held_lock+0x11/0x1c0 [ 1119.148471] ? mark_held_locks+0xc7/0x130 [ 1119.152628] ? _raw_spin_unlock_irq+0x27/0x80 [ 1119.157116] ? _raw_spin_unlock_irq+0x27/0x80 [ 1119.161612] vprintk_default+0x28/0x30 [ 1119.165763] vprintk_func+0x7e/0x181 [ 1119.169475] printk+0xa7/0xcf [ 1119.172573] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1119.177326] ? _raw_spin_unlock_irq+0x60/0x80 [ 1119.181826] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1119.187103] dump_header+0x7cc/0xf72 [ 1119.190821] ? pagefault_out_of_memory+0x197/0x197 [ 1119.195756] ? __lock_acquire+0x62f/0x4c20 [ 1119.199989] ? print_usage_bug+0xc0/0xc0 [ 1119.204051] ? zap_class+0x640/0x640 [ 1119.207760] ? print_usage_bug+0xc0/0xc0 [ 1119.211822] ? print_usage_bug+0xc0/0xc0 [ 1119.215891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1119.221425] ? find_held_lock+0x36/0x1c0 [ 1119.225489] ? mark_held_locks+0xc7/0x130 [ 1119.229636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1119.234734] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1119.239836] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1119.244421] ? trace_hardirqs_on+0xbd/0x310 [ 1119.248739] ? kasan_check_read+0x11/0x20 [ 1119.252885] ? ___ratelimit+0x3b4/0x672 [ 1119.257027] ? trace_hardirqs_off_caller+0x310/0x310 [ 1119.262130] ? trace_hardirqs_on+0x310/0x310 [ 1119.266536] ? lock_downgrade+0x900/0x900 [ 1119.270683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1119.275781] ? ___ratelimit+0x3b9/0x672 [ 1119.279752] ? idr_get_free+0xf70/0xf70 [ 1119.283727] ? find_held_lock+0x36/0x1c0 [ 1119.287790] oom_kill_process.cold.27+0x10/0x903 [ 1119.292542] ? zap_class+0x640/0x640 [ 1119.296252] ? check_preemption_disabled+0x48/0x280 [ 1119.301269] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1119.306192] ? kasan_check_read+0x11/0x20 [ 1119.310336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1119.315611] ? oom_evaluate_task+0x540/0x540 [ 1119.320021] ? find_held_lock+0x36/0x1c0 [ 1119.324086] ? out_of_memory+0x974/0x1430 [ 1119.328234] ? lock_downgrade+0x900/0x900 [ 1119.332378] ? check_preemption_disabled+0x48/0x280 [ 1119.337393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1119.342314] ? kasan_check_read+0x11/0x20 [ 1119.346454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1119.351729] ? rcu_softirq_qs+0x20/0x20 [ 1119.355707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1119.361249] ? oom_evaluate_task+0x302/0x540 [ 1119.365662] out_of_memory+0xa84/0x1430 [ 1119.369642] ? oom_killer_disable+0x3a0/0x3a0 [ 1119.374136] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1119.379064] ? __ww_mutex_check_waiters+0x160/0x160 [ 1119.384086] __alloc_pages_slowpath+0x2354/0x2e10 [ 1119.388958] ? warn_alloc+0x120/0x120 [ 1119.392760] ? mark_held_locks+0x130/0x130 [ 1119.396996] ? find_get_entry+0xaae/0x1120 [ 1119.401240] ? filemap_map_pages+0x1a20/0x1a20 [ 1119.405824] ? zap_class+0x640/0x640 [ 1119.409546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1119.415080] ? check_preemption_disabled+0x48/0x280 [ 1119.420093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1119.425627] ? should_fail+0x22d/0xd01 [ 1119.429514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1119.434617] ? zap_class+0x640/0x640 [ 1119.438350] ? __lock_is_held+0xb5/0x140 [ 1119.442419] ? mark_held_locks+0x130/0x130 [ 1119.446654] ? lock_release+0xa00/0xa00 [ 1119.450624] ? perf_trace_sched_process_exec+0x860/0x860 [ 1119.456068] ? xa_load+0x2ba/0x460 [ 1119.459607] ? lock_downgrade+0x900/0x900 [ 1119.463753] ? __might_sleep+0x95/0x190 [ 1119.467725] __alloc_pages_nodemask+0xa80/0xde0 [ 1119.472396] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1119.477416] ? __page_cache_alloc+0x191/0x5c0 [ 1119.481912] ? xa_load+0x2e1/0x460 [ 1119.485450] ? xa_clear_mark+0x40/0x40 [ 1119.489339] ? zap_class+0x640/0x640 [ 1119.493056] ? zap_class+0x640/0x640 [ 1119.496861] ? zap_class+0x640/0x640 [ 1119.500570] ? __do_page_cache_readahead+0x663/0x810 [ 1119.505674] ? find_held_lock+0x36/0x1c0 [ 1119.509737] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1119.515274] alloc_pages_current+0x173/0x350 [ 1119.519683] __page_cache_alloc+0x38c/0x5c0 [ 1119.523998] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1119.528921] ? kasan_check_read+0x11/0x20 [ 1119.533061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1119.538337] ? generic_perform_write+0x6a0/0x6a0 [ 1119.543087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1119.548619] ? check_preemption_disabled+0x48/0x280 [ 1119.553635] filemap_fault+0x1595/0x25f0 [ 1119.557756] ? __lock_page_or_retry+0xa00/0xa00 [ 1119.562421] ? mark_held_locks+0x130/0x130 [ 1119.566657] ? filemap_map_pages+0xd6b/0x1a20 [ 1119.571153] ? lock_downgrade+0x900/0x900 [ 1119.575295] ? check_preemption_disabled+0x48/0x280 [ 1119.580311] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1119.585241] ? kasan_check_read+0x11/0x20 [ 1119.589381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1119.594650] ? rcu_softirq_qs+0x20/0x20 [ 1119.598631] ? filemap_map_pages+0xd92/0x1a20 [ 1119.603137] ? find_get_entries_tag+0x1400/0x1400 [ 1119.607972] ? find_held_lock+0x36/0x1c0 [ 1119.612048] ? lock_acquire+0x1ed/0x520 [ 1119.616019] ? ext4_filemap_fault+0x7a/0xad [ 1119.620344] ? lock_release+0xa00/0xa00 [ 1119.624311] ? perf_trace_sched_process_exec+0x860/0x860 [ 1119.629758] ? print_usage_bug+0xc0/0xc0 [ 1119.633828] ? down_read+0x8d/0x120 [ 1119.637459] ? ext4_filemap_fault+0x7a/0xad [ 1119.641780] ? __down_interruptible+0x700/0x700 [ 1119.646444] ? find_held_lock+0x36/0x1c0 [ 1119.650503] ext4_filemap_fault+0x82/0xad [ 1119.654648] __do_fault+0x100/0x6b0 [ 1119.658270] ? lock_downgrade+0x900/0x900 [ 1119.662412] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1119.667516] ? kasan_check_read+0x11/0x20 [ 1119.671657] ? do_raw_spin_unlock+0xa7/0x330 [ 1119.676062] ? do_raw_spin_trylock+0x270/0x270 [ 1119.680656] __handle_mm_fault+0x3ea0/0x5be0 [ 1119.685060] ? perf_trace_lock+0x7a0/0x7a0 [ 1119.689300] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1119.694154] ? ksys_dup3+0x680/0x680 [ 1119.697880] ? zap_class+0x640/0x640 [ 1119.701586] ? zap_class+0x640/0x640 [ 1119.705297] ? __x64_sys_futex+0x53e/0x6a0 [ 1119.709532] ? find_held_lock+0x36/0x1c0 [ 1119.713604] ? handle_mm_fault+0x42a/0xc70 [ 1119.717840] ? lock_downgrade+0x900/0x900 [ 1119.721988] ? check_preemption_disabled+0x48/0x280 [ 1119.727000] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1119.731925] ? kasan_check_read+0x11/0x20 [ 1119.736066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1119.741340] ? rcu_softirq_qs+0x20/0x20 [ 1119.745310] ? trace_hardirqs_off_caller+0x310/0x310 [ 1119.750408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1119.755939] ? check_preemption_disabled+0x48/0x280 [ 1119.760957] handle_mm_fault+0x54f/0xc70 [ 1119.765015] ? __handle_mm_fault+0x5be0/0x5be0 [ 1119.769596] ? find_vma+0x34/0x190 [ 1119.773152] __do_page_fault+0x5e8/0xe60 [ 1119.777215] ? trace_hardirqs_off+0xb8/0x310 [ 1119.781618] ? kernel_write+0x120/0x120 [ 1119.785926] do_page_fault+0xf2/0x7e0 [ 1119.789721] ? vmalloc_sync_all+0x30/0x30 [ 1119.793862] ? error_entry+0x70/0xd0 [ 1119.797573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1119.802588] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1119.807511] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1119.812435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1119.817272] ? trace_hardirqs_on_caller+0x310/0x310 [ 1119.822284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1119.827733] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1119.832744] ? page_fault+0x8/0x30 [ 1119.836283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1119.841126] ? page_fault+0x8/0x30 [ 1119.844665] page_fault+0x1e/0x30 [ 1119.848111] RIP: 0033:0x404068 [ 1119.851312] Code: Bad RIP value. [ 1119.854666] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1119.860025] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1119.867286] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1119.874547] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1119.881812] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1119.889085] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1119.896368] warn_alloc_show_mem: 1 callbacks suppressed [ 1119.896379] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1119.896381] Mem-Info: [ 1119.896412] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1119.896412] active_file:12 inactive_file:9 isolated_file:0 [ 1119.896412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1119.896412] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1119.896412] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1119.896412] free:13627 free_pcp:121 free_cma:0 [ 1119.901750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1119.909033] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1119.911420] Call Trace: [ 1119.944280] 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 [ 1119.953635] dump_stack+0x244/0x39d [ 1119.981271] lowmem_reserve[]: 0 2818 6321 6321 [ 1119.983864] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1120.009942] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1120.013573] warn_alloc.cold.116+0xb7/0x1bd [ 1120.018109] lowmem_reserve[]: 0 0 3503 3503 [ 1120.023300] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1120.050593] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1120.054914] ? lock_downgrade+0x900/0x900 [ 1120.059290] lowmem_reserve[]: 0 0 0 0 [ 1120.064131] ? trace_hardirqs_off+0xb8/0x310 [ 1120.093160] 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 [ 1120.097328] ? trace_hardirqs_off+0xb8/0x310 [ 1120.101081] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1120.105492] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1120.118975] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1120.123411] ? warn_alloc+0x120/0x120 [ 1120.138985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1120.143822] ? warn_alloc+0x120/0x120 [ 1120.157242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1120.161025] ? dev_hard_start_xmit+0x42c/0xc80 [ 1120.169834] 4359 total pagecache pages [ 1120.173626] ? warn_alloc+0x120/0x120 [ 1120.182195] 0 pages in swap cache [ 1120.186763] ? print_usage_bug+0xc0/0xc0 [ 1120.190626] Swap cache stats: add 0, delete 0, find 0/0 [ 1120.194409] ? find_held_lock+0x36/0x1c0 [ 1120.197835] Free swap = 0kB [ 1120.201885] ? print_usage_bug+0xc0/0xc0 [ 1120.207222] Total swap = 0kB [ 1120.211277] ? cpuacct_charge+0x265/0x440 [ 1120.214278] 1965979 pages RAM [ 1120.218329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1120.221315] 0 pages HighMem/MovableOnly [ 1120.221323] 342854 pages reserved [ 1120.225462] ? should_fail+0x22d/0xd01 [ 1120.228537] 0 pages cma reserved [ 1120.234060] ? find_held_lock+0x36/0x1c0 [ 1120.238077] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1120.241451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1120.245357] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1120.248666] ? __lock_acquire+0x62f/0x4c20 [ 1120.252698] syz-fuzzer cpuset=/ mems_allowed=0 [ 1120.259181] ? should_fail+0x22d/0xd01 [ 1120.287135] ? mark_held_locks+0x130/0x130 [ 1120.291371] ? mark_held_locks+0x130/0x130 [ 1120.295609] ? __lock_acquire+0x62f/0x4c20 [ 1120.299866] ? zap_class+0x640/0x640 [ 1120.303585] ? __lock_is_held+0xb5/0x140 [ 1120.307671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1120.313209] ? check_preemption_disabled+0x48/0x280 [ 1120.318234] ? __lock_is_held+0xb5/0x140 [ 1120.322303] __alloc_pages_nodemask+0xa80/0xde0 [ 1120.326971] ? zap_class+0x640/0x640 [ 1120.330693] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1120.335719] ? find_held_lock+0x36/0x1c0 [ 1120.339793] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1120.344463] ? lock_downgrade+0x900/0x900 [ 1120.348617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1120.354160] cache_grow_begin+0xa5/0x8c0 [ 1120.358221] ? do_raw_spin_unlock+0xa7/0x330 [ 1120.362645] fallback_alloc+0x204/0x2e0 [ 1120.366624] ____cache_alloc_node+0x1c7/0x1e0 [ 1120.371130] kmem_cache_alloc+0x1f8/0x730 [ 1120.375289] skb_clone+0x1bb/0x500 [ 1120.378828] ? finish_task_switch+0x2f4/0x910 [ 1120.383322] ? skb_split+0x11e0/0x11e0 [ 1120.387213] ? preempt_notifier_register+0x200/0x200 [ 1120.392312] ? __switch_to_asm+0x34/0x70 [ 1120.396372] ? __switch_to_asm+0x34/0x70 [ 1120.400430] ? __switch_to_asm+0x40/0x70 [ 1120.404487] ? __switch_to_asm+0x34/0x70 [ 1120.408546] ? __switch_to_asm+0x40/0x70 [ 1120.412601] ? __switch_to_asm+0x34/0x70 [ 1120.416667] ? __switch_to_asm+0x40/0x70 [ 1120.420725] ? __switch_to_asm+0x34/0x70 [ 1120.424788] ? __switch_to_asm+0x34/0x70 [ 1120.428847] ? __switch_to_asm+0x40/0x70 [ 1120.432900] ? __switch_to_asm+0x34/0x70 [ 1120.436970] bpf_clone_redirect+0xb9/0x490 [ 1120.441207] ? __schedule+0x8d7/0x21d0 [ 1120.445102] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1120.450119] ? __sched_text_start+0x8/0x8 [ 1120.454281] ? find_held_lock+0x36/0x1c0 [ 1120.458349] ? lock_acquire+0x1ed/0x520 [ 1120.462321] ? bpf_test_run+0x3cb/0x780 [ 1120.466298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1120.471838] ? check_preemption_disabled+0x48/0x280 [ 1120.476859] ? kasan_check_read+0x11/0x20 [ 1120.481006] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1120.486283] ? rcu_softirq_qs+0x20/0x20 [ 1120.490258] ? preempt_schedule+0x4d/0x60 [ 1120.494407] ? ___preempt_schedule+0x16/0x18 [ 1120.498822] ? bpf_test_run+0x25d/0x780 [ 1120.502808] ? netlink_diag_dump+0x2a0/0x2a0 [ 1120.507220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1120.512775] ? bpf_test_init.isra.10+0x70/0x100 [ 1120.517452] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1120.522302] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1120.527143] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1120.532677] ? fput+0x130/0x1a0 [ 1120.535957] ? __bpf_prog_get+0x9b/0x290 [ 1120.540021] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1120.544873] ? bpf_prog_test_run+0x130/0x1a0 [ 1120.549286] ? __x64_sys_bpf+0x3d8/0x520 [ 1120.553346] ? bpf_prog_get+0x20/0x20 [ 1120.557165] ? do_syscall_64+0x1b9/0x820 [ 1120.561222] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1120.566584] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1120.571529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1120.576377] ? trace_hardirqs_on_caller+0x310/0x310 [ 1120.581397] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1120.586418] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1120.591442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1120.596289] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1120.601676] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1120.606481] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1120.608693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1120.619162] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1120.628503] Call Trace: [ 1120.636154] [ 1120.638309] dump_stack+0x244/0x39d [ 1120.641940] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1120.647143] warn_alloc.cold.116+0xb7/0x1bd [ 1120.651462] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1120.656304] ? lock_downgrade+0x900/0x900 [ 1120.660457] ? trace_hardirqs_off+0xb8/0x310 [ 1120.664871] ? trace_hardirqs_off+0xb8/0x310 [ 1120.669286] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1120.674157] ? warn_alloc+0x120/0x120 [ 1120.677955] ? print_usage_bug+0xc0/0xc0 [ 1120.682012] ? warn_alloc+0x120/0x120 [ 1120.685808] ? zap_class+0x640/0x640 [ 1120.689520] ? warn_alloc+0x120/0x120 [ 1120.693316] ? print_usage_bug+0xc0/0xc0 [ 1120.697380] ? print_usage_bug+0xc0/0xc0 [ 1120.701439] ? __lock_acquire+0x62f/0x4c20 [ 1120.705676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1120.711209] ? should_fail+0x22d/0xd01 [ 1120.715099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1120.720207] ? __lock_acquire+0x62f/0x4c20 [ 1120.724441] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1120.729539] ? __lock_acquire+0x62f/0x4c20 [ 1120.733778] ? should_fail+0x22d/0xd01 [ 1120.737667] ? find_held_lock+0x36/0x1c0 [ 1120.741733] ? mark_held_locks+0x130/0x130 [ 1120.745975] ? mark_held_locks+0x130/0x130 [ 1120.750203] ? zap_class+0x640/0x640 [ 1120.753914] ? zap_class+0x640/0x640 [ 1120.757624] ? print_usage_bug+0xc0/0xc0 [ 1120.761703] ? do_raw_spin_unlock+0xa7/0x330 [ 1120.766105] ? zap_class+0x640/0x640 [ 1120.769818] ? print_usage_bug+0xc0/0xc0 [ 1120.773878] ? wq_watchdog_touch+0x9c/0xfe [ 1120.778114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1120.783648] ? check_preemption_disabled+0x48/0x280 [ 1120.788669] ? __lock_is_held+0xb5/0x140 [ 1120.792735] __alloc_pages_nodemask+0xa80/0xde0 [ 1120.797409] ? zap_class+0x640/0x640 [ 1120.801126] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1120.806149] ? find_held_lock+0x36/0x1c0 [ 1120.810218] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1120.814889] ? lock_downgrade+0x900/0x900 [ 1120.819040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1120.824665] cache_grow_begin+0xa5/0x8c0 [ 1120.828722] ? do_raw_spin_unlock+0xa7/0x330 [ 1120.833146] fallback_alloc+0x204/0x2e0 [ 1120.837130] ____cache_alloc_node+0x1c7/0x1e0 [ 1120.841626] kmem_cache_alloc_node+0xe3/0x730 [ 1120.846123] ? ipv6_get_ifaddr+0x42e/0x620 [ 1120.850365] __alloc_skb+0x119/0x770 [ 1120.854075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1120.859355] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1120.863766] ? lock_downgrade+0x900/0x900 [ 1120.867922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1120.873460] ? refcount_sub_and_test_checked+0x203/0x310 [ 1120.878911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1120.884446] ? addrconf_rs_timer+0x690/0x690 [ 1120.888862] ndisc_alloc_skb+0x144/0x340 [ 1120.892925] ndisc_send_rs+0x331/0x6e0 [ 1120.896816] addrconf_rs_timer+0x314/0x690 [ 1120.901053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1120.905799] call_timer_fn+0x272/0x920 [ 1120.909688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1120.913922] ? process_timeout+0x40/0x40 [ 1120.917991] ? mark_held_locks+0xc7/0x130 [ 1120.922142] ? _raw_spin_unlock_irq+0x27/0x80 [ 1120.926630] ? _raw_spin_unlock_irq+0x27/0x80 [ 1120.931125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1120.935360] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1120.939939] ? trace_hardirqs_on+0xbd/0x310 [ 1120.944261] ? kasan_check_read+0x11/0x20 [ 1120.948402] ? __run_timers+0x7da/0xc70 [ 1120.952373] ? trace_hardirqs_off_caller+0x310/0x310 [ 1120.957480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1120.961715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1120.965956] __run_timers+0x7e5/0xc70 [ 1120.969768] ? timer_fixup_init+0x70/0x70 [ 1120.973920] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1120.978932] ? zap_class+0x640/0x640 [ 1120.982646] ? print_usage_bug+0xc0/0xc0 [ 1120.986725] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1120.991928] ? find_held_lock+0x36/0x1c0 [ 1120.995990] ? zap_class+0x640/0x640 [ 1120.999707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.005246] ? check_preemption_disabled+0x48/0x280 [ 1121.010267] ? __lock_is_held+0xb5/0x140 [ 1121.014325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.019861] ? check_preemption_disabled+0x48/0x280 [ 1121.024888] run_timer_softirq+0x52/0xb0 [ 1121.028945] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1121.033958] __do_softirq+0x308/0xb7e [ 1121.037764] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1121.042255] ? lock_downgrade+0x900/0x900 [ 1121.046406] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1121.051511] ? pvclock_read_flags+0x160/0x160 [ 1121.056005] ? lapic_next_event+0x5a/0x90 [ 1121.060152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.065691] ? kvm_clock_read+0x18/0x30 [ 1121.069671] ? kvm_sched_clock_read+0x9/0x20 [ 1121.074078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.079617] ? check_preemption_disabled+0x48/0x280 [ 1121.084638] irq_exit+0x17f/0x1c0 [ 1121.088094] smp_apic_timer_interrupt+0x1cb/0x760 [ 1121.092934] ? smp_reschedule_interrupt+0x109/0x650 [ 1121.097966] ? smp_call_function_single_interrupt+0x650/0x650 [ 1121.103847] ? interrupt_entry+0xb5/0xc0 [ 1121.107910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1121.112933] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1121.117947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.122792] ? trace_hardirqs_on_caller+0x310/0x310 [ 1121.127807] ? trace_hardirqs_on_caller+0x310/0x310 [ 1121.132842] ? task_prio+0x50/0x50 [ 1121.136381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.141930] ? check_preemption_disabled+0x48/0x280 [ 1121.146949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.151794] apic_timer_interrupt+0xf/0x20 [ 1121.156019] [ 1121.158270] RIP: 0010:console_unlock+0x102f/0x1190 [ 1121.163196] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1121.182091] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1121.189797] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1121.197060] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1121.204326] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1121.211593] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1121.218860] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1121.226136] ? netconsole_netdev_event+0x280/0x280 [ 1121.231067] ? console_unlock+0x1026/0x1190 [ 1121.235408] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1121.240070] ? vprintk_emit+0x846/0x990 [ 1121.244047] ? lock_release+0xa00/0xa00 [ 1121.248021] ? trace_hardirqs_on+0x70/0x310 [ 1121.252336] ? vprintk_default+0x28/0x30 [ 1121.256393] ? trace_hardirqs_off_caller+0x310/0x310 [ 1121.261498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.267042] vprintk_emit+0x391/0x990 [ 1121.270847] ? wake_up_klogd+0x180/0x180 [ 1121.274910] ? find_held_lock+0x11/0x1c0 [ 1121.278974] ? mark_held_locks+0xc7/0x130 [ 1121.283121] ? _raw_spin_unlock_irq+0x27/0x80 [ 1121.287612] ? _raw_spin_unlock_irq+0x27/0x80 [ 1121.292111] vprintk_default+0x28/0x30 [ 1121.296003] vprintk_func+0x7e/0x181 [ 1121.299720] printk+0xa7/0xcf [ 1121.302823] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1121.307583] ? _raw_spin_unlock_irq+0x60/0x80 [ 1121.312104] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1121.317386] dump_header+0x7cc/0xf72 [ 1121.321109] ? pagefault_out_of_memory+0x197/0x197 [ 1121.326042] ? __lock_acquire+0x62f/0x4c20 [ 1121.330283] ? print_usage_bug+0xc0/0xc0 [ 1121.334348] ? zap_class+0x640/0x640 [ 1121.338070] ? print_usage_bug+0xc0/0xc0 [ 1121.342137] ? print_usage_bug+0xc0/0xc0 [ 1121.346197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.351739] ? find_held_lock+0x36/0x1c0 [ 1121.355804] ? mark_held_locks+0xc7/0x130 [ 1121.359952] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1121.365050] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1121.370154] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1121.374736] ? trace_hardirqs_on+0xbd/0x310 [ 1121.379055] ? kasan_check_read+0x11/0x20 [ 1121.383204] ? ___ratelimit+0x3b4/0x672 [ 1121.387180] ? trace_hardirqs_off_caller+0x310/0x310 [ 1121.392281] ? trace_hardirqs_on+0x310/0x310 [ 1121.396683] ? lock_downgrade+0x900/0x900 [ 1121.400855] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1121.405957] ? ___ratelimit+0x3b9/0x672 [ 1121.409931] ? idr_get_free+0xf70/0xf70 [ 1121.413906] ? find_held_lock+0x36/0x1c0 [ 1121.417973] oom_kill_process.cold.27+0x10/0x903 [ 1121.422732] ? zap_class+0x640/0x640 [ 1121.426442] ? check_preemption_disabled+0x48/0x280 [ 1121.431463] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1121.436387] ? kasan_check_read+0x11/0x20 [ 1121.440530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1121.445803] ? oom_evaluate_task+0x540/0x540 [ 1121.450214] ? find_held_lock+0x36/0x1c0 [ 1121.454279] ? out_of_memory+0x974/0x1430 [ 1121.458426] ? lock_downgrade+0x900/0x900 [ 1121.462574] ? check_preemption_disabled+0x48/0x280 [ 1121.467587] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1121.472511] ? kasan_check_read+0x11/0x20 [ 1121.476655] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1121.481943] ? rcu_softirq_qs+0x20/0x20 [ 1121.485916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1121.491446] ? oom_evaluate_task+0x302/0x540 [ 1121.495856] out_of_memory+0xa84/0x1430 [ 1121.499834] ? oom_killer_disable+0x3a0/0x3a0 [ 1121.504325] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1121.509253] ? __ww_mutex_check_waiters+0x160/0x160 [ 1121.514275] __alloc_pages_slowpath+0x2354/0x2e10 [ 1121.519142] ? warn_alloc+0x120/0x120 [ 1121.522940] ? mark_held_locks+0x130/0x130 [ 1121.527175] ? find_get_entry+0xaae/0x1120 [ 1121.531414] ? filemap_map_pages+0x1a20/0x1a20 [ 1121.536000] ? zap_class+0x640/0x640 [ 1121.539720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1121.545254] ? check_preemption_disabled+0x48/0x280 [ 1121.550265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1121.555801] ? should_fail+0x22d/0xd01 [ 1121.559700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1121.564817] ? zap_class+0x640/0x640 [ 1121.568551] ? __lock_is_held+0xb5/0x140 [ 1121.572620] ? mark_held_locks+0x130/0x130 [ 1121.576852] ? lock_release+0xa00/0xa00 [ 1121.580824] ? perf_trace_sched_process_exec+0x860/0x860 [ 1121.586274] ? xa_load+0x2ba/0x460 [ 1121.589825] ? lock_downgrade+0x900/0x900 [ 1121.593974] ? __might_sleep+0x95/0x190 [ 1121.597950] __alloc_pages_nodemask+0xa80/0xde0 [ 1121.602627] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1121.607640] ? __page_cache_alloc+0x191/0x5c0 [ 1121.612133] ? xa_load+0x2e1/0x460 [ 1121.615675] ? xa_clear_mark+0x40/0x40 [ 1121.619567] ? zap_class+0x640/0x640 [ 1121.623292] ? zap_class+0x640/0x640 [ 1121.627002] ? zap_class+0x640/0x640 [ 1121.630711] ? __do_page_cache_readahead+0x663/0x810 [ 1121.635817] ? find_held_lock+0x36/0x1c0 [ 1121.639883] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1121.645426] alloc_pages_current+0x173/0x350 [ 1121.649837] __page_cache_alloc+0x38c/0x5c0 [ 1121.654156] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1121.659083] ? kasan_check_read+0x11/0x20 [ 1121.663227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1121.668507] ? generic_perform_write+0x6a0/0x6a0 [ 1121.673262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1121.678796] ? check_preemption_disabled+0x48/0x280 [ 1121.683815] filemap_fault+0x1595/0x25f0 [ 1121.687884] ? __lock_page_or_retry+0xa00/0xa00 [ 1121.692562] ? mark_held_locks+0x130/0x130 [ 1121.696801] ? filemap_map_pages+0xd6b/0x1a20 [ 1121.701297] ? lock_downgrade+0x900/0x900 [ 1121.705441] ? check_preemption_disabled+0x48/0x280 [ 1121.710455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1121.715382] ? kasan_check_read+0x11/0x20 [ 1121.719524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1121.724799] ? rcu_softirq_qs+0x20/0x20 [ 1121.728813] ? filemap_map_pages+0xd92/0x1a20 [ 1121.733317] ? find_get_entries_tag+0x1400/0x1400 [ 1121.738177] ? find_held_lock+0x36/0x1c0 [ 1121.742256] ? lock_acquire+0x1ed/0x520 [ 1121.746229] ? ext4_filemap_fault+0x7a/0xad [ 1121.750556] ? lock_release+0xa00/0xa00 [ 1121.754529] ? perf_trace_sched_process_exec+0x860/0x860 [ 1121.759973] ? print_usage_bug+0xc0/0xc0 [ 1121.764054] ? down_read+0x8d/0x120 [ 1121.767680] ? ext4_filemap_fault+0x7a/0xad [ 1121.771999] ? __down_interruptible+0x700/0x700 [ 1121.776677] ? find_held_lock+0x36/0x1c0 [ 1121.780739] ext4_filemap_fault+0x82/0xad [ 1121.784886] __do_fault+0x100/0x6b0 [ 1121.788515] ? lock_downgrade+0x900/0x900 [ 1121.792658] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1121.797772] ? kasan_check_read+0x11/0x20 [ 1121.801912] ? do_raw_spin_unlock+0xa7/0x330 [ 1121.806325] ? do_raw_spin_trylock+0x270/0x270 [ 1121.810941] __handle_mm_fault+0x3ea0/0x5be0 [ 1121.815348] ? perf_trace_lock+0x7a0/0x7a0 [ 1121.819586] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1121.824441] ? ksys_dup3+0x680/0x680 [ 1121.828167] ? zap_class+0x640/0x640 [ 1121.831878] ? zap_class+0x640/0x640 [ 1121.835586] ? __x64_sys_futex+0x53e/0x6a0 [ 1121.839821] ? find_held_lock+0x36/0x1c0 [ 1121.843890] ? handle_mm_fault+0x42a/0xc70 [ 1121.848130] ? lock_downgrade+0x900/0x900 [ 1121.852276] ? check_preemption_disabled+0x48/0x280 [ 1121.857292] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1121.862215] ? kasan_check_read+0x11/0x20 [ 1121.866359] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1121.871631] ? rcu_softirq_qs+0x20/0x20 [ 1121.875611] ? trace_hardirqs_off_caller+0x310/0x310 [ 1121.880712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1121.886246] ? check_preemption_disabled+0x48/0x280 [ 1121.891269] handle_mm_fault+0x54f/0xc70 [ 1121.895329] ? __handle_mm_fault+0x5be0/0x5be0 [ 1121.899910] ? find_vma+0x34/0x190 [ 1121.903450] __do_page_fault+0x5e8/0xe60 [ 1121.907508] ? trace_hardirqs_off+0xb8/0x310 [ 1121.911915] ? kernel_write+0x120/0x120 [ 1121.915894] do_page_fault+0xf2/0x7e0 [ 1121.919694] ? vmalloc_sync_all+0x30/0x30 [ 1121.923842] ? error_entry+0x70/0xd0 [ 1121.927554] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1121.932566] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1121.937509] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1121.942435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.947275] ? trace_hardirqs_on_caller+0x310/0x310 [ 1121.952286] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1121.957741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1121.962754] ? page_fault+0x8/0x30 [ 1121.966293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1121.971134] ? page_fault+0x8/0x30 [ 1121.974680] page_fault+0x1e/0x30 [ 1121.978126] RIP: 0033:0x404068 [ 1121.981330] Code: Bad RIP value. [ 1121.984708] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1121.990065] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1121.997328] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1122.004595] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1122.011856] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1122.019121] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1122.026408] warn_alloc_show_mem: 1 callbacks suppressed [ 1122.026419] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1122.026421] Mem-Info: [ 1122.026452] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1122.026452] active_file:12 inactive_file:9 isolated_file:0 [ 1122.026452] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1122.026452] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1122.026452] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1122.026452] free:13627 free_pcp:121 free_cma:0 [ 1122.031793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1122.039155] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1122.041545] Call Trace: [ 1122.074720] 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 [ 1122.084091] dump_stack+0x244/0x39d [ 1122.111717] lowmem_reserve[]: 0 2818 6321 6321 [ 1122.114309] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1122.140386] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1122.144020] warn_alloc.cold.116+0xb7/0x1bd [ 1122.148559] lowmem_reserve[]: 0 0 3503 3503 [ 1122.153747] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1122.181042] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1122.185361] ? lock_downgrade+0x900/0x900 [ 1122.189650] lowmem_reserve[]: 0 0 0 0 [ 1122.194613] ? trace_hardirqs_off+0xb8/0x310 [ 1122.223292] 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 [ 1122.227439] ? trace_hardirqs_off+0xb8/0x310 [ 1122.231205] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1122.235611] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1122.249099] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1122.253532] ? warn_alloc+0x120/0x120 [ 1122.269085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1122.273916] ? warn_alloc+0x120/0x120 [ 1122.287322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1122.287331] 4359 total pagecache pages [ 1122.291126] ? dev_hard_start_xmit+0x42c/0xc80 [ 1122.299943] 0 pages in swap cache [ 1122.303725] ? warn_alloc+0x120/0x120 [ 1122.312273] Swap cache stats: add 0, delete 0, find 0/0 [ 1122.312281] Free swap = 0kB [ 1122.316173] ? print_usage_bug+0xc0/0xc0 [ 1122.320726] Total swap = 0kB [ 1122.324169] ? find_held_lock+0x36/0x1c0 [ 1122.327942] 1965979 pages RAM [ 1122.333292] ? print_usage_bug+0xc0/0xc0 [ 1122.336280] 0 pages HighMem/MovableOnly [ 1122.336288] 342854 pages reserved [ 1122.340338] ? cpuacct_charge+0x265/0x440 [ 1122.343331] 0 pages cma reserved [ 1122.347386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1122.350534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1122.354534] ? should_fail+0x22d/0xd01 [ 1122.358560] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1122.361930] ? find_held_lock+0x36/0x1c0 [ 1122.366050] syz-fuzzer cpuset=/ mems_allowed=0 [ 1122.369410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1122.409193] ? __lock_acquire+0x62f/0x4c20 [ 1122.413431] ? should_fail+0x22d/0xd01 [ 1122.417332] ? mark_held_locks+0x130/0x130 [ 1122.421572] ? mark_held_locks+0x130/0x130 [ 1122.425806] ? __lock_acquire+0x62f/0x4c20 [ 1122.430046] ? zap_class+0x640/0x640 [ 1122.433757] ? __lock_is_held+0xb5/0x140 [ 1122.437825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1122.443362] ? check_preemption_disabled+0x48/0x280 [ 1122.448390] ? __lock_is_held+0xb5/0x140 [ 1122.452459] __alloc_pages_nodemask+0xa80/0xde0 [ 1122.457132] ? zap_class+0x640/0x640 [ 1122.460849] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1122.465878] ? find_held_lock+0x36/0x1c0 [ 1122.469948] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1122.474626] ? lock_downgrade+0x900/0x900 [ 1122.478780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1122.484324] cache_grow_begin+0xa5/0x8c0 [ 1122.488385] ? do_raw_spin_unlock+0xa7/0x330 [ 1122.492800] fallback_alloc+0x204/0x2e0 [ 1122.496782] ____cache_alloc_node+0x1c7/0x1e0 [ 1122.501281] kmem_cache_alloc+0x1f8/0x730 [ 1122.505439] skb_clone+0x1bb/0x500 [ 1122.508978] ? finish_task_switch+0x2f4/0x910 [ 1122.513481] ? skb_split+0x11e0/0x11e0 [ 1122.517369] ? preempt_notifier_register+0x200/0x200 [ 1122.522476] ? __switch_to_asm+0x34/0x70 [ 1122.526536] ? __switch_to_asm+0x34/0x70 [ 1122.530596] ? __switch_to_asm+0x40/0x70 [ 1122.534662] ? __switch_to_asm+0x34/0x70 [ 1122.538717] ? __switch_to_asm+0x40/0x70 [ 1122.542774] ? __switch_to_asm+0x34/0x70 [ 1122.546846] ? __switch_to_asm+0x40/0x70 [ 1122.550910] ? __switch_to_asm+0x34/0x70 [ 1122.554969] ? __switch_to_asm+0x34/0x70 [ 1122.559023] ? __switch_to_asm+0x40/0x70 [ 1122.563083] ? __switch_to_asm+0x34/0x70 [ 1122.567152] bpf_clone_redirect+0xb9/0x490 [ 1122.571388] ? __schedule+0x8d7/0x21d0 [ 1122.575281] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1122.580302] ? __sched_text_start+0x8/0x8 [ 1122.584470] ? find_held_lock+0x36/0x1c0 [ 1122.588540] ? lock_acquire+0x1ed/0x520 [ 1122.592513] ? bpf_test_run+0x3cb/0x780 [ 1122.596489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1122.602027] ? check_preemption_disabled+0x48/0x280 [ 1122.607048] ? kasan_check_read+0x11/0x20 [ 1122.611199] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1122.616477] ? rcu_softirq_qs+0x20/0x20 [ 1122.620452] ? preempt_schedule+0x4d/0x60 [ 1122.624609] ? ___preempt_schedule+0x16/0x18 [ 1122.629028] ? bpf_test_run+0x25d/0x780 [ 1122.633013] ? netlink_diag_dump+0x2a0/0x2a0 [ 1122.637423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1122.642963] ? bpf_test_init.isra.10+0x70/0x100 [ 1122.647643] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1122.652409] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1122.657249] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1122.662787] ? fput+0x130/0x1a0 [ 1122.666067] ? __bpf_prog_get+0x9b/0x290 [ 1122.670129] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1122.674966] ? bpf_prog_test_run+0x130/0x1a0 [ 1122.679381] ? __x64_sys_bpf+0x3d8/0x520 [ 1122.683442] ? bpf_prog_get+0x20/0x20 [ 1122.687267] ? do_syscall_64+0x1b9/0x820 [ 1122.691323] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1122.696687] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1122.701622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1122.706476] ? trace_hardirqs_on_caller+0x310/0x310 [ 1122.711491] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1122.716511] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1122.721536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1122.726384] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1122.731769] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1122.731931] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1122.738787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1122.749249] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1122.758592] Call Trace: [ 1122.766251] [ 1122.768403] dump_stack+0x244/0x39d [ 1122.772035] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1122.777234] warn_alloc.cold.116+0xb7/0x1bd [ 1122.781554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1122.786494] ? lock_downgrade+0x900/0x900 [ 1122.790646] ? trace_hardirqs_off+0xb8/0x310 [ 1122.795057] ? trace_hardirqs_off+0xb8/0x310 [ 1122.799470] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1122.804337] ? warn_alloc+0x120/0x120 [ 1122.808135] ? print_usage_bug+0xc0/0xc0 [ 1122.812193] ? warn_alloc+0x120/0x120 [ 1122.815992] ? warn_alloc+0x120/0x120 [ 1122.819791] ? print_usage_bug+0xc0/0xc0 [ 1122.823851] ? kvm_clock_read+0x18/0x30 [ 1122.827823] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1122.832838] ? print_usage_bug+0xc0/0xc0 [ 1122.836900] ? __lock_acquire+0x62f/0x4c20 [ 1122.841137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1122.846669] ? should_fail+0x22d/0xd01 [ 1122.850549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1122.855831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1122.860928] ? __lock_acquire+0x62f/0x4c20 [ 1122.865170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1122.870269] ? __lock_acquire+0x62f/0x4c20 [ 1122.874496] ? should_fail+0x22d/0xd01 [ 1122.878375] ? rcu_irq_exit+0x1a2/0x390 [ 1122.882352] ? mark_held_locks+0x130/0x130 [ 1122.886598] ? mark_held_locks+0x130/0x130 [ 1122.890832] ? mark_held_locks+0xc7/0x130 [ 1122.894974] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1122.899987] ? zap_class+0x640/0x640 [ 1122.903699] ? print_usage_bug+0xc0/0xc0 [ 1122.908251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1122.913785] ? check_preemption_disabled+0x48/0x280 [ 1122.918806] ? __lock_is_held+0xb5/0x140 [ 1122.922873] __alloc_pages_nodemask+0xa80/0xde0 [ 1122.927536] ? zap_class+0x640/0x640 [ 1122.931254] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1122.936278] ? find_held_lock+0x36/0x1c0 [ 1122.940346] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1122.945008] ? lock_downgrade+0x900/0x900 [ 1122.949157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1122.954704] cache_grow_begin+0xa5/0x8c0 [ 1122.958759] ? do_raw_spin_unlock+0xa7/0x330 [ 1122.963169] fallback_alloc+0x204/0x2e0 [ 1122.967146] ____cache_alloc_node+0x1c7/0x1e0 [ 1122.971640] kmem_cache_alloc_node+0xe3/0x730 [ 1122.976130] ? ipv6_get_ifaddr+0x42e/0x620 [ 1122.980368] __alloc_skb+0x119/0x770 [ 1122.984074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1122.989350] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1122.993751] ? lock_downgrade+0x900/0x900 [ 1122.997901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.003433] ? refcount_sub_and_test_checked+0x203/0x310 [ 1123.008880] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1123.014411] ? addrconf_rs_timer+0x690/0x690 [ 1123.018827] ndisc_alloc_skb+0x144/0x340 [ 1123.022886] ndisc_send_rs+0x331/0x6e0 [ 1123.026772] addrconf_rs_timer+0x314/0x690 [ 1123.031008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1123.035249] call_timer_fn+0x272/0x920 [ 1123.039133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1123.043362] ? process_timeout+0x40/0x40 [ 1123.047427] ? mark_held_locks+0xc7/0x130 [ 1123.051581] ? _raw_spin_unlock_irq+0x27/0x80 [ 1123.056069] ? _raw_spin_unlock_irq+0x27/0x80 [ 1123.060555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1123.064790] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1123.069368] ? trace_hardirqs_on+0xbd/0x310 [ 1123.073683] ? kasan_check_read+0x11/0x20 [ 1123.077824] ? __run_timers+0x7da/0xc70 [ 1123.081793] ? trace_hardirqs_off_caller+0x310/0x310 [ 1123.086894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1123.091127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1123.095531] __run_timers+0x7e5/0xc70 [ 1123.099348] ? timer_fixup_init+0x70/0x70 [ 1123.103491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1123.108503] ? zap_class+0x640/0x640 [ 1123.112221] ? print_usage_bug+0xc0/0xc0 [ 1123.116283] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1123.121474] ? find_held_lock+0x36/0x1c0 [ 1123.125535] ? zap_class+0x640/0x640 [ 1123.129256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.134788] ? check_preemption_disabled+0x48/0x280 [ 1123.139809] ? __lock_is_held+0xb5/0x140 [ 1123.143870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.149402] ? check_preemption_disabled+0x48/0x280 [ 1123.154424] run_timer_softirq+0x52/0xb0 [ 1123.158482] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1123.163711] __do_softirq+0x308/0xb7e [ 1123.167515] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1123.172004] ? lock_downgrade+0x900/0x900 [ 1123.176153] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1123.181256] ? pvclock_read_flags+0x160/0x160 [ 1123.185749] ? lapic_next_event+0x5a/0x90 [ 1123.189894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.195441] ? kvm_clock_read+0x18/0x30 [ 1123.199416] ? kvm_sched_clock_read+0x9/0x20 [ 1123.203826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.209359] ? check_preemption_disabled+0x48/0x280 [ 1123.214381] irq_exit+0x17f/0x1c0 [ 1123.217834] smp_apic_timer_interrupt+0x1cb/0x760 [ 1123.222669] ? smp_reschedule_interrupt+0x109/0x650 [ 1123.227680] ? smp_call_function_single_interrupt+0x650/0x650 [ 1123.233566] ? interrupt_entry+0xb5/0xc0 [ 1123.237626] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1123.242635] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1123.247646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1123.252484] ? trace_hardirqs_on_caller+0x310/0x310 [ 1123.257495] ? trace_hardirqs_on_caller+0x310/0x310 [ 1123.262509] ? task_prio+0x50/0x50 [ 1123.266048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.271579] ? check_preemption_disabled+0x48/0x280 [ 1123.276595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1123.281442] apic_timer_interrupt+0xf/0x20 [ 1123.285667] [ 1123.287897] RIP: 0010:console_unlock+0x102f/0x1190 [ 1123.292827] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1123.311717] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1123.319431] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1123.326698] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1123.333960] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1123.341222] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1123.348485] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1123.355757] ? netconsole_netdev_event+0x280/0x280 [ 1123.360687] ? console_unlock+0x1026/0x1190 [ 1123.365026] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1123.369687] ? vprintk_emit+0x846/0x990 [ 1123.373658] ? lock_release+0xa00/0xa00 [ 1123.377629] ? trace_hardirqs_on+0x70/0x310 [ 1123.381945] ? vprintk_default+0x28/0x30 [ 1123.386007] ? trace_hardirqs_off_caller+0x310/0x310 [ 1123.391106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.396642] vprintk_emit+0x391/0x990 [ 1123.400442] ? wake_up_klogd+0x180/0x180 [ 1123.404506] ? find_held_lock+0x11/0x1c0 [ 1123.408579] ? mark_held_locks+0xc7/0x130 [ 1123.412726] ? _raw_spin_unlock_irq+0x27/0x80 [ 1123.417215] ? _raw_spin_unlock_irq+0x27/0x80 [ 1123.421714] vprintk_default+0x28/0x30 [ 1123.425595] vprintk_func+0x7e/0x181 [ 1123.429303] printk+0xa7/0xcf [ 1123.432402] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1123.437155] ? _raw_spin_unlock_irq+0x60/0x80 [ 1123.441656] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1123.446937] dump_header+0x7cc/0xf72 [ 1123.450657] ? pagefault_out_of_memory+0x197/0x197 [ 1123.455761] ? __lock_acquire+0x62f/0x4c20 [ 1123.459996] ? print_usage_bug+0xc0/0xc0 [ 1123.464057] ? zap_class+0x640/0x640 [ 1123.467770] ? print_usage_bug+0xc0/0xc0 [ 1123.471831] ? print_usage_bug+0xc0/0xc0 [ 1123.475890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.481607] ? find_held_lock+0x36/0x1c0 [ 1123.485673] ? mark_held_locks+0xc7/0x130 [ 1123.489816] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1123.494914] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1123.500013] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1123.504594] ? trace_hardirqs_on+0xbd/0x310 [ 1123.508913] ? kasan_check_read+0x11/0x20 [ 1123.513056] ? ___ratelimit+0x3b4/0x672 [ 1123.517028] ? trace_hardirqs_off_caller+0x310/0x310 [ 1123.522130] ? trace_hardirqs_on+0x310/0x310 [ 1123.526544] ? lock_downgrade+0x900/0x900 [ 1123.530692] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1123.535791] ? ___ratelimit+0x3b9/0x672 [ 1123.539759] ? idr_get_free+0xf70/0xf70 [ 1123.543729] ? find_held_lock+0x36/0x1c0 [ 1123.547793] oom_kill_process.cold.27+0x10/0x903 [ 1123.552547] ? zap_class+0x640/0x640 [ 1123.556254] ? check_preemption_disabled+0x48/0x280 [ 1123.561268] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1123.566199] ? kasan_check_read+0x11/0x20 [ 1123.570339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1123.575613] ? oom_evaluate_task+0x540/0x540 [ 1123.580024] ? find_held_lock+0x36/0x1c0 [ 1123.584086] ? out_of_memory+0x974/0x1430 [ 1123.588234] ? lock_downgrade+0x900/0x900 [ 1123.592374] ? check_preemption_disabled+0x48/0x280 [ 1123.597392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1123.602314] ? kasan_check_read+0x11/0x20 [ 1123.606454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1123.611725] ? rcu_softirq_qs+0x20/0x20 [ 1123.615697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1123.621231] ? oom_evaluate_task+0x302/0x540 [ 1123.625644] out_of_memory+0xa84/0x1430 [ 1123.629625] ? oom_killer_disable+0x3a0/0x3a0 [ 1123.634118] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1123.639045] ? __ww_mutex_check_waiters+0x160/0x160 [ 1123.644067] __alloc_pages_slowpath+0x2354/0x2e10 [ 1123.648945] ? warn_alloc+0x120/0x120 [ 1123.653003] ? mark_held_locks+0x130/0x130 [ 1123.657236] ? find_get_entry+0xaae/0x1120 [ 1123.661474] ? filemap_map_pages+0x1a20/0x1a20 [ 1123.666056] ? zap_class+0x640/0x640 [ 1123.669774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1123.675305] ? check_preemption_disabled+0x48/0x280 [ 1123.680316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1123.685847] ? should_fail+0x22d/0xd01 [ 1123.689740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1123.694838] ? zap_class+0x640/0x640 [ 1123.698574] ? __lock_is_held+0xb5/0x140 [ 1123.702638] ? mark_held_locks+0x130/0x130 [ 1123.706871] ? lock_release+0xa00/0xa00 [ 1123.710849] ? perf_trace_sched_process_exec+0x860/0x860 [ 1123.716297] ? xa_load+0x2ba/0x460 [ 1123.719838] ? lock_downgrade+0x900/0x900 [ 1123.723989] ? __might_sleep+0x95/0x190 [ 1123.727967] __alloc_pages_nodemask+0xa80/0xde0 [ 1123.732638] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1123.737650] ? __page_cache_alloc+0x191/0x5c0 [ 1123.742136] ? xa_load+0x2e1/0x460 [ 1123.745675] ? xa_clear_mark+0x40/0x40 [ 1123.749562] ? zap_class+0x640/0x640 [ 1123.753277] ? zap_class+0x640/0x640 [ 1123.756986] ? zap_class+0x640/0x640 [ 1123.760696] ? __do_page_cache_readahead+0x663/0x810 [ 1123.765799] ? find_held_lock+0x36/0x1c0 [ 1123.769859] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1123.775402] alloc_pages_current+0x173/0x350 [ 1123.779813] __page_cache_alloc+0x38c/0x5c0 [ 1123.784132] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1123.789054] ? kasan_check_read+0x11/0x20 [ 1123.793196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1123.798470] ? generic_perform_write+0x6a0/0x6a0 [ 1123.803222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1123.808755] ? check_preemption_disabled+0x48/0x280 [ 1123.813776] filemap_fault+0x1595/0x25f0 [ 1123.817842] ? __lock_page_or_retry+0xa00/0xa00 [ 1123.822525] ? mark_held_locks+0x130/0x130 [ 1123.826766] ? filemap_map_pages+0xd6b/0x1a20 [ 1123.831261] ? lock_downgrade+0x900/0x900 [ 1123.835407] ? check_preemption_disabled+0x48/0x280 [ 1123.840436] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1123.845358] ? kasan_check_read+0x11/0x20 [ 1123.849507] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1123.854778] ? rcu_softirq_qs+0x20/0x20 [ 1123.858766] ? filemap_map_pages+0xd92/0x1a20 [ 1123.863267] ? find_get_entries_tag+0x1400/0x1400 [ 1123.868102] ? find_held_lock+0x36/0x1c0 [ 1123.872178] ? lock_acquire+0x1ed/0x520 [ 1123.876149] ? ext4_filemap_fault+0x7a/0xad [ 1123.880470] ? lock_release+0xa00/0xa00 [ 1123.884442] ? perf_trace_sched_process_exec+0x860/0x860 [ 1123.889893] ? print_usage_bug+0xc0/0xc0 [ 1123.893964] ? down_read+0x8d/0x120 [ 1123.897586] ? ext4_filemap_fault+0x7a/0xad [ 1123.901908] ? __down_interruptible+0x700/0x700 [ 1123.906577] ? find_held_lock+0x36/0x1c0 [ 1123.910641] ext4_filemap_fault+0x82/0xad [ 1123.914788] __do_fault+0x100/0x6b0 [ 1123.918414] ? lock_downgrade+0x900/0x900 [ 1123.922560] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1123.927667] ? kasan_check_read+0x11/0x20 [ 1123.931812] ? do_raw_spin_unlock+0xa7/0x330 [ 1123.936225] ? do_raw_spin_trylock+0x270/0x270 [ 1123.940822] __handle_mm_fault+0x3ea0/0x5be0 [ 1123.945227] ? perf_trace_lock+0x7a0/0x7a0 [ 1123.949463] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1123.954317] ? ksys_dup3+0x680/0x680 [ 1123.958044] ? zap_class+0x640/0x640 [ 1123.961751] ? zap_class+0x640/0x640 [ 1123.965463] ? __x64_sys_futex+0x53e/0x6a0 [ 1123.969703] ? find_held_lock+0x36/0x1c0 [ 1123.973773] ? handle_mm_fault+0x42a/0xc70 [ 1123.978002] ? lock_downgrade+0x900/0x900 [ 1123.982144] ? check_preemption_disabled+0x48/0x280 [ 1123.987161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1123.992082] ? kasan_check_read+0x11/0x20 [ 1123.996229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1124.001506] ? rcu_softirq_qs+0x20/0x20 [ 1124.005477] ? trace_hardirqs_off_caller+0x310/0x310 [ 1124.010586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1124.016120] ? check_preemption_disabled+0x48/0x280 [ 1124.021141] handle_mm_fault+0x54f/0xc70 [ 1124.025201] ? __handle_mm_fault+0x5be0/0x5be0 [ 1124.029783] ? find_vma+0x34/0x190 [ 1124.033324] __do_page_fault+0x5e8/0xe60 [ 1124.037380] ? trace_hardirqs_off+0xb8/0x310 [ 1124.041779] ? kernel_write+0x120/0x120 [ 1124.045757] do_page_fault+0xf2/0x7e0 [ 1124.049557] ? vmalloc_sync_all+0x30/0x30 [ 1124.053702] ? error_entry+0x70/0xd0 [ 1124.057412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1124.062423] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1124.067350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1124.072612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1124.077457] ? trace_hardirqs_on_caller+0x310/0x310 [ 1124.082560] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1124.088009] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1124.093021] ? page_fault+0x8/0x30 [ 1124.096560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1124.101403] ? page_fault+0x8/0x30 [ 1124.104939] page_fault+0x1e/0x30 [ 1124.108387] RIP: 0033:0x404068 [ 1124.111588] Code: Bad RIP value. [ 1124.114947] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1124.120301] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1124.127562] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1124.134830] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1124.142096] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1124.149358] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1124.156647] warn_alloc_show_mem: 1 callbacks suppressed [ 1124.156656] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1124.156658] Mem-Info: [ 1124.156688] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1124.156688] active_file:12 inactive_file:9 isolated_file:0 [ 1124.156688] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1124.156688] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1124.156688] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1124.156688] free:13627 free_pcp:121 free_cma:0 [ 1124.162378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1124.169647] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1124.172031] Call Trace: [ 1124.205729] 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 [ 1124.215068] [ 1124.242798] lowmem_reserve[]: 0 2818 6321 6321 [ 1124.245375] dump_stack+0x244/0x39d [ 1124.271450] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1124.273604] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1124.278152] lowmem_reserve[]: 0 0 3503 3503 [ 1124.281776] warn_alloc.cold.116+0xb7/0x1bd [ 1124.309235] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1124.314417] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1124.318702] lowmem_reserve[]: 0 0 0 0 [ 1124.323020] ? lock_downgrade+0x900/0x900 [ 1124.351713] 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 [ 1124.356553] ? trace_hardirqs_off+0xb8/0x310 [ 1124.360323] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1124.364485] ? trace_hardirqs_off+0xb8/0x310 [ 1124.377974] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1124.382379] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1124.398042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1124.402463] ? warn_alloc+0x120/0x120 [ 1124.415845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1124.420671] ? warn_alloc+0x120/0x120 [ 1124.429481] 4359 total pagecache pages [ 1124.433267] ? zap_class+0x640/0x640 [ 1124.441827] 0 pages in swap cache [ 1124.445600] ? warn_alloc+0x120/0x120 [ 1124.449469] Swap cache stats: add 0, delete 0, find 0/0 [ 1124.453166] ? print_usage_bug+0xc0/0xc0 [ 1124.456589] Free swap = 0kB [ 1124.460372] ? idle_cpu+0x1d0/0x1d0 [ 1124.465705] Total swap = 0kB [ 1124.469756] ? kvm_sched_clock_read+0x9/0x20 [ 1124.472744] 1965979 pages RAM [ 1124.476356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1124.479342] 0 pages HighMem/MovableOnly [ 1124.483737] ? print_usage_bug+0xc0/0xc0 [ 1124.486811] 342854 pages reserved [ 1124.486820] 0 pages cma reserved [ 1124.491821] ? __lock_is_held+0xb5/0x140 [ 1124.495835] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1124.499824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1124.503301] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1124.506601] ? should_fail+0x22d/0xd01 [ 1124.510630] syz-fuzzer cpuset=/ mems_allowed=0 [ 1124.517111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1124.546341] ? __lock_acquire+0x62f/0x4c20 [ 1124.550578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1124.555675] ? __lock_acquire+0x62f/0x4c20 [ 1124.559901] ? should_fail+0x22d/0xd01 [ 1124.563795] ? mark_held_locks+0x130/0x130 [ 1124.568031] ? mark_held_locks+0x130/0x130 [ 1124.572262] ? zap_class+0x640/0x640 [ 1124.575977] ? zap_class+0x640/0x640 [ 1124.579685] ? print_usage_bug+0xc0/0xc0 [ 1124.583740] ? __lock_acquire+0x62f/0x4c20 [ 1124.587972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.593509] ? check_preemption_disabled+0x48/0x280 [ 1124.598532] ? __lock_is_held+0xb5/0x140 [ 1124.602593] __alloc_pages_nodemask+0xa80/0xde0 [ 1124.607261] ? zap_class+0x640/0x640 [ 1124.610977] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1124.616002] ? find_held_lock+0x36/0x1c0 [ 1124.620069] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1124.624732] ? lock_downgrade+0x900/0x900 [ 1124.628887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.634422] cache_grow_begin+0xa5/0x8c0 [ 1124.638484] ? do_raw_spin_unlock+0xa7/0x330 [ 1124.642893] fallback_alloc+0x204/0x2e0 [ 1124.646867] ____cache_alloc_node+0x1c7/0x1e0 [ 1124.651369] kmem_cache_alloc_node+0xe3/0x730 [ 1124.655858] ? ipv6_get_ifaddr+0x42e/0x620 [ 1124.660098] __alloc_skb+0x119/0x770 [ 1124.663806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1124.669084] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1124.673489] ? lock_downgrade+0x900/0x900 [ 1124.677724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.683278] ? refcount_sub_and_test_checked+0x203/0x310 [ 1124.688730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1124.694180] ? addrconf_rs_timer+0x690/0x690 [ 1124.698595] ndisc_alloc_skb+0x144/0x340 [ 1124.702659] ndisc_send_rs+0x331/0x6e0 [ 1124.706545] addrconf_rs_timer+0x314/0x690 [ 1124.710782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1124.715023] call_timer_fn+0x272/0x920 [ 1124.718908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1124.723138] ? process_timeout+0x40/0x40 [ 1124.727206] ? __run_timers+0x7da/0xc70 [ 1124.731180] ? _raw_spin_unlock_irq+0x27/0x80 [ 1124.735668] ? _raw_spin_unlock_irq+0x27/0x80 [ 1124.740157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1124.744392] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1124.748968] ? trace_hardirqs_on+0xbd/0x310 [ 1124.753283] ? kasan_check_read+0x11/0x20 [ 1124.757437] ? __run_timers+0x7da/0xc70 [ 1124.761406] ? trace_hardirqs_off_caller+0x310/0x310 [ 1124.766520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1124.770747] __run_timers+0x7e5/0xc70 [ 1124.774557] ? timer_fixup_init+0x70/0x70 [ 1124.778700] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1124.783711] ? zap_class+0x640/0x640 [ 1124.787432] ? enqueue_hrtimer+0x1a5/0x560 [ 1124.791665] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1124.796865] ? find_held_lock+0x36/0x1c0 [ 1124.800925] ? zap_class+0x640/0x640 [ 1124.804636] ? pvclock_read_flags+0x160/0x160 [ 1124.809131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.814664] ? check_preemption_disabled+0x48/0x280 [ 1124.819683] ? __lock_is_held+0xb5/0x140 [ 1124.823739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.829271] ? check_preemption_disabled+0x48/0x280 [ 1124.834294] run_timer_softirq+0x52/0xb0 [ 1124.838350] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1124.843362] __do_softirq+0x308/0xb7e [ 1124.847161] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1124.851655] ? lock_downgrade+0x900/0x900 [ 1124.855802] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1124.860911] ? pvclock_read_flags+0x160/0x160 [ 1124.865406] ? lapic_next_event+0x5a/0x90 [ 1124.869558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.875184] ? kvm_clock_read+0x18/0x30 [ 1124.879151] ? kvm_sched_clock_read+0x9/0x20 [ 1124.883556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.889091] ? check_preemption_disabled+0x48/0x280 [ 1124.894111] irq_exit+0x17f/0x1c0 [ 1124.897570] smp_apic_timer_interrupt+0x1cb/0x760 [ 1124.902408] ? smp_reschedule_interrupt+0x109/0x650 [ 1124.907755] ? smp_call_function_single_interrupt+0x650/0x650 [ 1124.913636] ? interrupt_entry+0xb5/0xc0 [ 1124.917696] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1124.922713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1124.927723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1124.932560] ? trace_hardirqs_on_caller+0x310/0x310 [ 1124.937572] ? trace_hardirqs_on_caller+0x310/0x310 [ 1124.942581] ? task_prio+0x50/0x50 [ 1124.946121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1124.951658] ? check_preemption_disabled+0x48/0x280 [ 1124.956674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1124.961525] apic_timer_interrupt+0xf/0x20 [ 1124.965750] [ 1124.967989] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1124.972912] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1124.991803] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1124.999513] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1125.006775] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1125.014036] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1125.021301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1125.028561] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1125.035861] skb_clone+0x1bb/0x500 [ 1125.039399] ? finish_task_switch+0x2f4/0x910 [ 1125.043900] ? skb_split+0x11e0/0x11e0 [ 1125.047782] ? preempt_notifier_register+0x200/0x200 [ 1125.052879] ? __switch_to_asm+0x34/0x70 [ 1125.056934] ? __switch_to_asm+0x34/0x70 [ 1125.060990] ? __switch_to_asm+0x40/0x70 [ 1125.065039] ? __switch_to_asm+0x34/0x70 [ 1125.069095] ? __switch_to_asm+0x40/0x70 [ 1125.073619] ? __switch_to_asm+0x34/0x70 [ 1125.077673] ? __switch_to_asm+0x40/0x70 [ 1125.081725] ? __switch_to_asm+0x34/0x70 [ 1125.085786] ? __switch_to_asm+0x34/0x70 [ 1125.089836] ? __switch_to_asm+0x40/0x70 [ 1125.093895] ? __switch_to_asm+0x34/0x70 [ 1125.097956] bpf_clone_redirect+0xb9/0x490 [ 1125.102186] ? __schedule+0x8d7/0x21d0 [ 1125.106077] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1125.111094] ? __sched_text_start+0x8/0x8 [ 1125.115253] ? find_held_lock+0x36/0x1c0 [ 1125.119323] ? lock_acquire+0x1ed/0x520 [ 1125.123294] ? bpf_test_run+0x3cb/0x780 [ 1125.127270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.132801] ? check_preemption_disabled+0x48/0x280 [ 1125.137816] ? kasan_check_read+0x11/0x20 [ 1125.141972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1125.147243] ? rcu_softirq_qs+0x20/0x20 [ 1125.151219] ? preempt_schedule+0x4d/0x60 [ 1125.155366] ? ___preempt_schedule+0x16/0x18 [ 1125.159784] ? bpf_test_run+0x25d/0x780 [ 1125.163769] ? netlink_diag_dump+0x2a0/0x2a0 [ 1125.168178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1125.173709] ? bpf_test_init.isra.10+0x70/0x100 [ 1125.178390] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1125.183161] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1125.187997] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1125.193529] ? fput+0x130/0x1a0 [ 1125.196807] ? __bpf_prog_get+0x9b/0x290 [ 1125.200864] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1125.205700] ? bpf_prog_test_run+0x130/0x1a0 [ 1125.210106] ? __x64_sys_bpf+0x3d8/0x520 [ 1125.214158] ? bpf_prog_get+0x20/0x20 [ 1125.217974] ? do_syscall_64+0x1b9/0x820 [ 1125.222026] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1125.227384] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1125.232317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1125.237157] ? trace_hardirqs_on_caller+0x310/0x310 [ 1125.242170] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1125.247184] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1125.252200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1125.257048] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1125.262429] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1125.262519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1125.269442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.269446] Call Trace: [ 1125.269452] [ 1125.269469] dump_stack+0x244/0x39d [ 1125.269489] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1125.276024] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1125.285308] warn_alloc.cold.116+0xb7/0x1bd [ 1125.287859] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1125.289996] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1125.323455] ? lock_downgrade+0x900/0x900 [ 1125.327607] ? trace_hardirqs_off+0xb8/0x310 [ 1125.332022] ? trace_hardirqs_off+0xb8/0x310 [ 1125.336437] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1125.341300] ? warn_alloc+0x120/0x120 [ 1125.345098] ? print_usage_bug+0xc0/0xc0 [ 1125.349247] ? warn_alloc+0x120/0x120 [ 1125.353052] ? warn_alloc+0x120/0x120 [ 1125.356848] ? print_usage_bug+0xc0/0xc0 [ 1125.360910] ? print_usage_bug+0xc0/0xc0 [ 1125.364970] ? __lock_acquire+0x62f/0x4c20 [ 1125.369205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1125.374734] ? should_fail+0x22d/0xd01 [ 1125.378623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1125.383725] ? __lock_acquire+0x62f/0x4c20 [ 1125.387964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1125.393059] ? __lock_acquire+0x62f/0x4c20 [ 1125.397372] ? should_fail+0x22d/0xd01 [ 1125.401262] ? find_held_lock+0x36/0x1c0 [ 1125.405326] ? mark_held_locks+0x130/0x130 [ 1125.409564] ? mark_held_locks+0x130/0x130 [ 1125.413793] ? zap_class+0x640/0x640 [ 1125.417503] ? zap_class+0x640/0x640 [ 1125.421216] ? print_usage_bug+0xc0/0xc0 [ 1125.425274] ? do_raw_spin_unlock+0xa7/0x330 [ 1125.429676] ? zap_class+0x640/0x640 [ 1125.433394] ? print_usage_bug+0xc0/0xc0 [ 1125.437450] ? wq_watchdog_touch+0x9c/0xfe [ 1125.441684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.447215] ? check_preemption_disabled+0x48/0x280 [ 1125.452239] ? __lock_is_held+0xb5/0x140 [ 1125.456300] __alloc_pages_nodemask+0xa80/0xde0 [ 1125.460966] ? zap_class+0x640/0x640 [ 1125.464685] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1125.469710] ? find_held_lock+0x36/0x1c0 [ 1125.473808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1125.478482] ? lock_downgrade+0x900/0x900 [ 1125.482636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.488176] cache_grow_begin+0xa5/0x8c0 [ 1125.492229] ? do_raw_spin_unlock+0xa7/0x330 [ 1125.496642] fallback_alloc+0x204/0x2e0 [ 1125.500622] ____cache_alloc_node+0x1c7/0x1e0 [ 1125.505116] kmem_cache_alloc_node+0xe3/0x730 [ 1125.509604] ? ipv6_get_ifaddr+0x42e/0x620 [ 1125.513844] __alloc_skb+0x119/0x770 [ 1125.517552] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1125.522826] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1125.527329] ? lock_downgrade+0x900/0x900 [ 1125.531477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.537011] ? refcount_sub_and_test_checked+0x203/0x310 [ 1125.542462] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1125.547906] ? addrconf_rs_timer+0x690/0x690 [ 1125.552321] ndisc_alloc_skb+0x144/0x340 [ 1125.556389] ndisc_send_rs+0x331/0x6e0 [ 1125.560279] addrconf_rs_timer+0x314/0x690 [ 1125.564513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1125.568762] call_timer_fn+0x272/0x920 [ 1125.572746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1125.576974] ? process_timeout+0x40/0x40 [ 1125.581057] ? mark_held_locks+0xc7/0x130 [ 1125.585204] ? _raw_spin_unlock_irq+0x27/0x80 [ 1125.589695] ? _raw_spin_unlock_irq+0x27/0x80 [ 1125.594180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1125.598408] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1125.602986] ? trace_hardirqs_on+0xbd/0x310 [ 1125.607299] ? kasan_check_read+0x11/0x20 [ 1125.611440] ? __run_timers+0x7da/0xc70 [ 1125.615408] ? trace_hardirqs_off_caller+0x310/0x310 [ 1125.620509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1125.624749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1125.629062] __run_timers+0x7e5/0xc70 [ 1125.632865] ? timer_fixup_init+0x70/0x70 [ 1125.637007] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1125.642019] ? zap_class+0x640/0x640 [ 1125.645736] ? print_usage_bug+0xc0/0xc0 [ 1125.649791] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1125.654983] ? find_held_lock+0x36/0x1c0 [ 1125.659047] ? zap_class+0x640/0x640 [ 1125.662760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.668295] ? check_preemption_disabled+0x48/0x280 [ 1125.673312] ? __lock_is_held+0xb5/0x140 [ 1125.677460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.682994] ? check_preemption_disabled+0x48/0x280 [ 1125.688010] run_timer_softirq+0x52/0xb0 [ 1125.692069] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1125.697079] __do_softirq+0x308/0xb7e [ 1125.700875] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1125.705372] ? lock_downgrade+0x900/0x900 [ 1125.709522] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1125.714631] ? pvclock_read_flags+0x160/0x160 [ 1125.719123] ? lapic_next_event+0x5a/0x90 [ 1125.723266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.728803] ? kvm_clock_read+0x18/0x30 [ 1125.732774] ? kvm_sched_clock_read+0x9/0x20 [ 1125.737485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.743016] ? check_preemption_disabled+0x48/0x280 [ 1125.748036] irq_exit+0x17f/0x1c0 [ 1125.751489] smp_apic_timer_interrupt+0x1cb/0x760 [ 1125.756327] ? smp_reschedule_interrupt+0x109/0x650 [ 1125.761355] ? smp_call_function_single_interrupt+0x650/0x650 [ 1125.767235] ? interrupt_entry+0xb5/0xc0 [ 1125.771291] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1125.776302] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1125.781316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1125.786161] ? trace_hardirqs_on_caller+0x310/0x310 [ 1125.791170] ? trace_hardirqs_on_caller+0x310/0x310 [ 1125.796178] ? task_prio+0x50/0x50 [ 1125.799718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.805249] ? check_preemption_disabled+0x48/0x280 [ 1125.810267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1125.815112] apic_timer_interrupt+0xf/0x20 [ 1125.819332] [ 1125.821569] RIP: 0010:console_unlock+0x102f/0x1190 [ 1125.826496] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1125.845392] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1125.853092] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1125.860358] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1125.867621] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1125.874883] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1125.882145] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1125.889421] ? netconsole_netdev_event+0x280/0x280 [ 1125.894357] ? console_unlock+0x1026/0x1190 [ 1125.898694] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1125.903365] ? vprintk_emit+0x846/0x990 [ 1125.907436] ? lock_release+0xa00/0xa00 [ 1125.911405] ? trace_hardirqs_on+0x70/0x310 [ 1125.915723] ? vprintk_default+0x28/0x30 [ 1125.919780] ? trace_hardirqs_off_caller+0x310/0x310 [ 1125.924877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1125.930417] vprintk_emit+0x391/0x990 [ 1125.934216] ? wake_up_klogd+0x180/0x180 [ 1125.938280] ? find_held_lock+0x11/0x1c0 [ 1125.942354] ? mark_held_locks+0xc7/0x130 [ 1125.946498] ? _raw_spin_unlock_irq+0x27/0x80 [ 1125.950984] ? _raw_spin_unlock_irq+0x27/0x80 [ 1125.955481] vprintk_default+0x28/0x30 [ 1125.959365] vprintk_func+0x7e/0x181 [ 1125.963075] printk+0xa7/0xcf [ 1125.966178] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1125.970928] ? _raw_spin_unlock_irq+0x60/0x80 [ 1125.975431] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1125.980717] dump_header+0x7cc/0xf72 [ 1125.984438] ? pagefault_out_of_memory+0x197/0x197 [ 1125.989375] ? __lock_acquire+0x62f/0x4c20 [ 1125.993635] ? print_usage_bug+0xc0/0xc0 [ 1125.997699] ? zap_class+0x640/0x640 [ 1126.001409] ? print_usage_bug+0xc0/0xc0 [ 1126.005467] ? print_usage_bug+0xc0/0xc0 [ 1126.009526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1126.015059] ? find_held_lock+0x36/0x1c0 [ 1126.019125] ? mark_held_locks+0xc7/0x130 [ 1126.023267] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1126.028369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1126.033471] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1126.038048] ? trace_hardirqs_on+0xbd/0x310 [ 1126.042363] ? kasan_check_read+0x11/0x20 [ 1126.046510] ? ___ratelimit+0x3b4/0x672 [ 1126.050481] ? trace_hardirqs_off_caller+0x310/0x310 [ 1126.055579] ? trace_hardirqs_on+0x310/0x310 [ 1126.059985] ? lock_downgrade+0x900/0x900 [ 1126.064131] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1126.069227] ? ___ratelimit+0x3b9/0x672 [ 1126.073599] ? idr_get_free+0xf70/0xf70 [ 1126.077580] ? find_held_lock+0x36/0x1c0 [ 1126.081654] oom_kill_process.cold.27+0x10/0x903 [ 1126.086526] ? zap_class+0x640/0x640 [ 1126.090238] ? check_preemption_disabled+0x48/0x280 [ 1126.095253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1126.100177] ? kasan_check_read+0x11/0x20 [ 1126.104340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1126.109615] ? oom_evaluate_task+0x540/0x540 [ 1126.114028] ? find_held_lock+0x36/0x1c0 [ 1126.118102] ? out_of_memory+0x974/0x1430 [ 1126.122250] ? lock_downgrade+0x900/0x900 [ 1126.126392] ? check_preemption_disabled+0x48/0x280 [ 1126.131407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1126.136338] ? kasan_check_read+0x11/0x20 [ 1126.140477] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1126.145752] ? rcu_softirq_qs+0x20/0x20 [ 1126.149735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1126.155273] ? oom_evaluate_task+0x302/0x540 [ 1126.159686] out_of_memory+0xa84/0x1430 [ 1126.163672] ? oom_killer_disable+0x3a0/0x3a0 [ 1126.168165] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1126.173102] ? __ww_mutex_check_waiters+0x160/0x160 [ 1126.178127] __alloc_pages_slowpath+0x2354/0x2e10 [ 1126.182994] ? warn_alloc+0x120/0x120 [ 1126.186787] ? mark_held_locks+0x130/0x130 [ 1126.191030] ? find_get_entry+0xaae/0x1120 [ 1126.195268] ? filemap_map_pages+0x1a20/0x1a20 [ 1126.199853] ? zap_class+0x640/0x640 [ 1126.203566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1126.209102] ? check_preemption_disabled+0x48/0x280 [ 1126.214120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1126.219655] ? should_fail+0x22d/0xd01 [ 1126.223554] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1126.228670] ? zap_class+0x640/0x640 [ 1126.232408] ? __lock_is_held+0xb5/0x140 [ 1126.236475] ? mark_held_locks+0x130/0x130 [ 1126.240710] ? lock_release+0xa00/0xa00 [ 1126.244697] ? perf_trace_sched_process_exec+0x860/0x860 [ 1126.250159] ? xa_load+0x2ba/0x460 [ 1126.253709] ? lock_downgrade+0x900/0x900 [ 1126.257857] ? __might_sleep+0x95/0x190 [ 1126.261835] __alloc_pages_nodemask+0xa80/0xde0 [ 1126.266506] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1126.271525] ? __page_cache_alloc+0x191/0x5c0 [ 1126.276013] ? xa_load+0x2e1/0x460 [ 1126.279549] ? xa_clear_mark+0x40/0x40 [ 1126.283437] ? zap_class+0x640/0x640 [ 1126.287154] ? zap_class+0x640/0x640 [ 1126.290864] ? zap_class+0x640/0x640 [ 1126.294577] ? __do_page_cache_readahead+0x663/0x810 [ 1126.299688] ? find_held_lock+0x36/0x1c0 [ 1126.303754] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1126.309291] alloc_pages_current+0x173/0x350 [ 1126.313709] __page_cache_alloc+0x38c/0x5c0 [ 1126.318024] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1126.322966] ? kasan_check_read+0x11/0x20 [ 1126.327111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1126.332388] ? generic_perform_write+0x6a0/0x6a0 [ 1126.337148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1126.342684] ? check_preemption_disabled+0x48/0x280 [ 1126.347708] filemap_fault+0x1595/0x25f0 [ 1126.351783] ? __lock_page_or_retry+0xa00/0xa00 [ 1126.356449] ? mark_held_locks+0x130/0x130 [ 1126.360689] ? filemap_map_pages+0xd6b/0x1a20 [ 1126.365181] ? lock_downgrade+0x900/0x900 [ 1126.369330] ? check_preemption_disabled+0x48/0x280 [ 1126.374346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1126.379273] ? kasan_check_read+0x11/0x20 [ 1126.383425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1126.388696] ? rcu_softirq_qs+0x20/0x20 [ 1126.392682] ? filemap_map_pages+0xd92/0x1a20 [ 1126.397185] ? find_get_entries_tag+0x1400/0x1400 [ 1126.402021] ? find_held_lock+0x36/0x1c0 [ 1126.406097] ? lock_acquire+0x1ed/0x520 [ 1126.410065] ? ext4_filemap_fault+0x7a/0xad [ 1126.414387] ? lock_release+0xa00/0xa00 [ 1126.418353] ? perf_trace_sched_process_exec+0x860/0x860 [ 1126.423802] ? print_usage_bug+0xc0/0xc0 [ 1126.427874] ? down_read+0x8d/0x120 [ 1126.431492] ? ext4_filemap_fault+0x7a/0xad [ 1126.435813] ? __down_interruptible+0x700/0x700 [ 1126.440478] ? find_held_lock+0x36/0x1c0 [ 1126.444537] ext4_filemap_fault+0x82/0xad [ 1126.448686] __do_fault+0x100/0x6b0 [ 1126.452315] ? lock_downgrade+0x900/0x900 [ 1126.456462] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1126.461568] ? kasan_check_read+0x11/0x20 [ 1126.465713] ? do_raw_spin_unlock+0xa7/0x330 [ 1126.470119] ? do_raw_spin_trylock+0x270/0x270 [ 1126.474714] __handle_mm_fault+0x3ea0/0x5be0 [ 1126.479116] ? perf_trace_lock+0x7a0/0x7a0 [ 1126.483353] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1126.488201] ? ksys_dup3+0x680/0x680 [ 1126.491922] ? zap_class+0x640/0x640 [ 1126.495630] ? zap_class+0x640/0x640 [ 1126.499342] ? __x64_sys_futex+0x53e/0x6a0 [ 1126.503575] ? find_held_lock+0x36/0x1c0 [ 1126.507643] ? handle_mm_fault+0x42a/0xc70 [ 1126.511875] ? lock_downgrade+0x900/0x900 [ 1126.516017] ? check_preemption_disabled+0x48/0x280 [ 1126.521035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1126.526133] ? kasan_check_read+0x11/0x20 [ 1126.530274] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1126.535552] ? rcu_softirq_qs+0x20/0x20 [ 1126.539523] ? trace_hardirqs_off_caller+0x310/0x310 [ 1126.544622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1126.550158] ? check_preemption_disabled+0x48/0x280 [ 1126.555179] handle_mm_fault+0x54f/0xc70 [ 1126.559238] ? __handle_mm_fault+0x5be0/0x5be0 [ 1126.563821] ? find_vma+0x34/0x190 [ 1126.567363] __do_page_fault+0x5e8/0xe60 [ 1126.571420] ? trace_hardirqs_off+0xb8/0x310 [ 1126.575823] ? kernel_write+0x120/0x120 [ 1126.579801] do_page_fault+0xf2/0x7e0 [ 1126.583598] ? vmalloc_sync_all+0x30/0x30 [ 1126.587743] ? error_entry+0x70/0xd0 [ 1126.591456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1126.596470] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1126.601398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1126.606326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1126.611164] ? trace_hardirqs_on_caller+0x310/0x310 [ 1126.616173] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1126.621624] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1126.626635] ? page_fault+0x8/0x30 [ 1126.630176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1126.635021] ? page_fault+0x8/0x30 [ 1126.638557] page_fault+0x1e/0x30 [ 1126.642003] RIP: 0033:0x404068 [ 1126.645205] Code: Bad RIP value. [ 1126.648561] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1126.653916] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1126.661180] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1126.668445] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1126.675706] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1126.682968] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1126.690258] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1126.690262] warn_alloc_show_mem: 1 callbacks suppressed [ 1126.690268] Mem-Info: [ 1126.697534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.697541] Call Trace: [ 1126.702904] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1126.702904] active_file:12 inactive_file:9 isolated_file:0 [ 1126.702904] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1126.702904] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1126.702904] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1126.702904] free:13627 free_pcp:121 free_cma:0 [ 1126.705282] [ 1126.714635] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1126.717210] dump_stack+0x244/0x39d [ 1126.750144] 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 [ 1126.752299] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1126.779930] lowmem_reserve[]: 0 2818 6321 6321 [ 1126.783563] warn_alloc.cold.116+0xb7/0x1bd [ 1126.809635] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1126.814812] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1126.819363] lowmem_reserve[]: 0 0 3503 3503 [ 1126.823674] ? lock_downgrade+0x900/0x900 [ 1126.850966] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1126.855803] ? trace_hardirqs_off+0xb8/0x310 [ 1126.860086] lowmem_reserve[]: 0 0 0 0 [ 1126.864225] ? trace_hardirqs_off+0xb8/0x310 [ 1126.892907] 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 [ 1126.897312] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1126.901078] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1126.905903] ? warn_alloc+0x120/0x120 [ 1126.919370] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1126.924202] ? print_usage_bug+0xc0/0xc0 [ 1126.939783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1126.943564] ? warn_alloc+0x120/0x120 [ 1126.956978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1126.961020] ? warn_alloc+0x120/0x120 [ 1126.969824] 4359 total pagecache pages [ 1126.973607] ? print_usage_bug+0xc0/0xc0 [ 1126.982161] 0 pages in swap cache [ 1126.985942] ? kvm_clock_read+0x18/0x30 [ 1126.989800] Swap cache stats: add 0, delete 0, find 0/0 [ 1126.993844] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1126.997271] Free swap = 0kB [ 1127.001231] ? print_usage_bug+0xc0/0xc0 [ 1127.006572] Total swap = 0kB [ 1127.011577] ? __lock_acquire+0x62f/0x4c20 [ 1127.014565] 1965979 pages RAM [ 1127.018615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1127.021608] 0 pages HighMem/MovableOnly [ 1127.025831] ? should_fail+0x22d/0xd01 [ 1127.028900] 342854 pages reserved [ 1127.028907] 0 pages cma reserved [ 1127.034431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1127.038429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1127.042259] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1127.045761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1127.049038] ? __lock_acquire+0x62f/0x4c20 [ 1127.054283] syz-fuzzer cpuset=/ mems_allowed=0 [ 1127.060764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1127.090373] ? __lock_acquire+0x62f/0x4c20 [ 1127.094600] ? should_fail+0x22d/0xd01 [ 1127.098481] ? rcu_irq_exit+0x1a2/0x390 [ 1127.102461] ? mark_held_locks+0x130/0x130 [ 1127.106698] ? mark_held_locks+0x130/0x130 [ 1127.110933] ? mark_held_locks+0xc7/0x130 [ 1127.115078] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1127.120092] ? zap_class+0x640/0x640 [ 1127.123802] ? print_usage_bug+0xc0/0xc0 [ 1127.127864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.133398] ? check_preemption_disabled+0x48/0x280 [ 1127.138418] ? __lock_is_held+0xb5/0x140 [ 1127.142486] __alloc_pages_nodemask+0xa80/0xde0 [ 1127.147152] ? zap_class+0x640/0x640 [ 1127.150866] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1127.155888] ? find_held_lock+0x36/0x1c0 [ 1127.159952] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1127.164618] ? lock_downgrade+0x900/0x900 [ 1127.168768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.174306] cache_grow_begin+0xa5/0x8c0 [ 1127.178367] ? do_raw_spin_unlock+0xa7/0x330 [ 1127.182781] fallback_alloc+0x204/0x2e0 [ 1127.186760] ____cache_alloc_node+0x1c7/0x1e0 [ 1127.191261] kmem_cache_alloc_node+0xe3/0x730 [ 1127.195755] ? ipv6_get_ifaddr+0x42e/0x620 [ 1127.199995] __alloc_skb+0x119/0x770 [ 1127.203703] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1127.208978] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1127.213381] ? lock_downgrade+0x900/0x900 [ 1127.217533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.223069] ? refcount_sub_and_test_checked+0x203/0x310 [ 1127.228525] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1127.233971] ? addrconf_rs_timer+0x690/0x690 [ 1127.238389] ndisc_alloc_skb+0x144/0x340 [ 1127.242450] ndisc_send_rs+0x331/0x6e0 [ 1127.246338] addrconf_rs_timer+0x314/0x690 [ 1127.250573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1127.254813] call_timer_fn+0x272/0x920 [ 1127.258698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1127.262929] ? process_timeout+0x40/0x40 [ 1127.266997] ? __run_timers+0x7da/0xc70 [ 1127.270971] ? _raw_spin_unlock_irq+0x27/0x80 [ 1127.275459] ? _raw_spin_unlock_irq+0x27/0x80 [ 1127.279946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1127.284176] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1127.288754] ? trace_hardirqs_on+0xbd/0x310 [ 1127.293067] ? kasan_check_read+0x11/0x20 [ 1127.297217] ? __run_timers+0x7da/0xc70 [ 1127.301194] ? trace_hardirqs_off_caller+0x310/0x310 [ 1127.306303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1127.310537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1127.314767] __run_timers+0x7e5/0xc70 [ 1127.318572] ? timer_fixup_init+0x70/0x70 [ 1127.322720] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1127.327735] ? zap_class+0x640/0x640 [ 1127.331446] ? enqueue_hrtimer+0x1a5/0x560 [ 1127.335682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1127.340877] ? find_held_lock+0x36/0x1c0 [ 1127.344937] ? zap_class+0x640/0x640 [ 1127.348648] ? pvclock_read_flags+0x160/0x160 [ 1127.353138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.358671] ? check_preemption_disabled+0x48/0x280 [ 1127.363694] ? __lock_is_held+0xb5/0x140 [ 1127.367772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.373304] ? check_preemption_disabled+0x48/0x280 [ 1127.378318] run_timer_softirq+0x52/0xb0 [ 1127.382381] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1127.387392] __do_softirq+0x308/0xb7e [ 1127.391193] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1127.395685] ? lock_downgrade+0x900/0x900 [ 1127.399834] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1127.404937] ? pvclock_read_flags+0x160/0x160 [ 1127.409430] ? lapic_next_event+0x5a/0x90 [ 1127.413573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.419113] ? kvm_clock_read+0x18/0x30 [ 1127.423089] ? kvm_sched_clock_read+0x9/0x20 [ 1127.427497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.433028] ? check_preemption_disabled+0x48/0x280 [ 1127.438049] irq_exit+0x17f/0x1c0 [ 1127.441500] smp_apic_timer_interrupt+0x1cb/0x760 [ 1127.446337] ? smp_reschedule_interrupt+0x109/0x650 [ 1127.451350] ? smp_call_function_single_interrupt+0x650/0x650 [ 1127.457233] ? interrupt_entry+0xb5/0xc0 [ 1127.461294] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1127.466304] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1127.471315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1127.476155] ? trace_hardirqs_on_caller+0x310/0x310 [ 1127.481162] ? trace_hardirqs_on_caller+0x310/0x310 [ 1127.486172] ? task_prio+0x50/0x50 [ 1127.489708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.495243] ? check_preemption_disabled+0x48/0x280 [ 1127.500345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1127.505194] apic_timer_interrupt+0xf/0x20 [ 1127.509423] [ 1127.511660] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1127.516588] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1127.535485] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1127.543187] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1127.550456] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1127.557733] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1127.564993] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1127.572252] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1127.579554] skb_clone+0x1bb/0x500 [ 1127.583092] ? finish_task_switch+0x2f4/0x910 [ 1127.587585] ? skb_split+0x11e0/0x11e0 [ 1127.591468] ? preempt_notifier_register+0x200/0x200 [ 1127.596562] ? __switch_to_asm+0x34/0x70 [ 1127.600620] ? __switch_to_asm+0x34/0x70 [ 1127.604681] ? __switch_to_asm+0x40/0x70 [ 1127.608732] ? __switch_to_asm+0x34/0x70 [ 1127.612785] ? __switch_to_asm+0x40/0x70 [ 1127.616841] ? __switch_to_asm+0x34/0x70 [ 1127.620896] ? __switch_to_asm+0x40/0x70 [ 1127.624952] ? __switch_to_asm+0x34/0x70 [ 1127.629010] ? __switch_to_asm+0x34/0x70 [ 1127.633061] ? __switch_to_asm+0x40/0x70 [ 1127.637219] ? __switch_to_asm+0x34/0x70 [ 1127.641299] bpf_clone_redirect+0xb9/0x490 [ 1127.645532] ? __schedule+0x8d7/0x21d0 [ 1127.649539] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1127.654552] ? __sched_text_start+0x8/0x8 [ 1127.658713] ? find_held_lock+0x36/0x1c0 [ 1127.662779] ? lock_acquire+0x1ed/0x520 [ 1127.666750] ? bpf_test_run+0x3cb/0x780 [ 1127.670723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.676260] ? check_preemption_disabled+0x48/0x280 [ 1127.681279] ? kasan_check_read+0x11/0x20 [ 1127.685424] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1127.690698] ? rcu_softirq_qs+0x20/0x20 [ 1127.694674] ? preempt_schedule+0x4d/0x60 [ 1127.698816] ? ___preempt_schedule+0x16/0x18 [ 1127.703354] ? bpf_test_run+0x25d/0x780 [ 1127.707340] ? netlink_diag_dump+0x2a0/0x2a0 [ 1127.711745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1127.717279] ? bpf_test_init.isra.10+0x70/0x100 [ 1127.721948] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1127.726715] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1127.731551] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1127.737086] ? fput+0x130/0x1a0 [ 1127.740366] ? __bpf_prog_get+0x9b/0x290 [ 1127.744425] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1127.749268] ? bpf_prog_test_run+0x130/0x1a0 [ 1127.753677] ? __x64_sys_bpf+0x3d8/0x520 [ 1127.757737] ? bpf_prog_get+0x20/0x20 [ 1127.761552] ? do_syscall_64+0x1b9/0x820 [ 1127.765607] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1127.770969] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1127.775900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1127.780744] ? trace_hardirqs_on_caller+0x310/0x310 [ 1127.785758] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1127.790774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1127.795804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1127.800647] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1127.806025] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1127.806090] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1127.813037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1127.819597] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1127.828852] Call Trace: [ 1127.839312] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1127.841875] [ 1127.849102] dump_stack+0x244/0x39d [ 1127.852728] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1127.857924] warn_alloc.cold.116+0xb7/0x1bd [ 1127.862242] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1127.867086] ? lock_downgrade+0x900/0x900 [ 1127.871241] ? trace_hardirqs_off+0xb8/0x310 [ 1127.875649] ? trace_hardirqs_off+0xb8/0x310 [ 1127.880059] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1127.884924] ? warn_alloc+0x120/0x120 [ 1127.888721] ? print_usage_bug+0xc0/0xc0 [ 1127.892785] ? warn_alloc+0x120/0x120 [ 1127.896584] ? warn_alloc+0x120/0x120 [ 1127.900381] ? print_usage_bug+0xc0/0xc0 [ 1127.904436] ? kvm_clock_read+0x18/0x30 [ 1127.908404] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1127.913418] ? print_usage_bug+0xc0/0xc0 [ 1127.917479] ? __lock_acquire+0x62f/0x4c20 [ 1127.921713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1127.927245] ? should_fail+0x22d/0xd01 [ 1127.931128] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1127.936404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1127.941505] ? __lock_acquire+0x62f/0x4c20 [ 1127.945738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1127.950834] ? __lock_acquire+0x62f/0x4c20 [ 1127.955074] ? should_fail+0x22d/0xd01 [ 1127.958955] ? rcu_irq_exit+0x1a2/0x390 [ 1127.962933] ? mark_held_locks+0x130/0x130 [ 1127.967166] ? mark_held_locks+0x130/0x130 [ 1127.971441] ? mark_held_locks+0xc7/0x130 [ 1127.975587] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1127.980596] ? zap_class+0x640/0x640 [ 1127.984305] ? print_usage_bug+0xc0/0xc0 [ 1127.988366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1127.993904] ? check_preemption_disabled+0x48/0x280 [ 1127.998923] ? __lock_is_held+0xb5/0x140 [ 1128.002985] __alloc_pages_nodemask+0xa80/0xde0 [ 1128.007648] ? zap_class+0x640/0x640 [ 1128.011365] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1128.016390] ? find_held_lock+0x36/0x1c0 [ 1128.020462] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1128.025128] ? lock_downgrade+0x900/0x900 [ 1128.029275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.034813] cache_grow_begin+0xa5/0x8c0 [ 1128.038873] ? do_raw_spin_unlock+0xa7/0x330 [ 1128.043285] fallback_alloc+0x204/0x2e0 [ 1128.047264] ____cache_alloc_node+0x1c7/0x1e0 [ 1128.051760] kmem_cache_alloc_node+0xe3/0x730 [ 1128.056251] ? ipv6_get_ifaddr+0x42e/0x620 [ 1128.060491] __alloc_skb+0x119/0x770 [ 1128.064199] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1128.069476] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1128.074226] ? lock_downgrade+0x900/0x900 [ 1128.078378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.083920] ? refcount_sub_and_test_checked+0x203/0x310 [ 1128.089369] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1128.094819] ? addrconf_rs_timer+0x690/0x690 [ 1128.099240] ndisc_alloc_skb+0x144/0x340 [ 1128.103301] ndisc_send_rs+0x331/0x6e0 [ 1128.107197] addrconf_rs_timer+0x314/0x690 [ 1128.111432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1128.115671] call_timer_fn+0x272/0x920 [ 1128.119559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1128.123794] ? process_timeout+0x40/0x40 [ 1128.127858] ? mark_held_locks+0xc7/0x130 [ 1128.132002] ? _raw_spin_unlock_irq+0x27/0x80 [ 1128.136489] ? _raw_spin_unlock_irq+0x27/0x80 [ 1128.140976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1128.145224] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1128.149803] ? trace_hardirqs_on+0xbd/0x310 [ 1128.154118] ? kasan_check_read+0x11/0x20 [ 1128.158259] ? __run_timers+0x7da/0xc70 [ 1128.162229] ? trace_hardirqs_off_caller+0x310/0x310 [ 1128.167329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1128.171565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1128.175792] __run_timers+0x7e5/0xc70 [ 1128.179596] ? timer_fixup_init+0x70/0x70 [ 1128.183740] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1128.188750] ? zap_class+0x640/0x640 [ 1128.192462] ? print_usage_bug+0xc0/0xc0 [ 1128.196523] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1128.201712] ? find_held_lock+0x36/0x1c0 [ 1128.205771] ? zap_class+0x640/0x640 [ 1128.209488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.215024] ? check_preemption_disabled+0x48/0x280 [ 1128.220043] ? __lock_is_held+0xb5/0x140 [ 1128.224113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.229645] ? check_preemption_disabled+0x48/0x280 [ 1128.234660] run_timer_softirq+0x52/0xb0 [ 1128.238715] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1128.243724] __do_softirq+0x308/0xb7e [ 1128.247528] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1128.252015] ? lock_downgrade+0x900/0x900 [ 1128.256170] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1128.261278] ? pvclock_read_flags+0x160/0x160 [ 1128.265767] ? lapic_next_event+0x5a/0x90 [ 1128.269916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.275460] ? kvm_clock_read+0x18/0x30 [ 1128.279429] ? kvm_sched_clock_read+0x9/0x20 [ 1128.283836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.289367] ? check_preemption_disabled+0x48/0x280 [ 1128.294388] irq_exit+0x17f/0x1c0 [ 1128.297836] smp_apic_timer_interrupt+0x1cb/0x760 [ 1128.302673] ? smp_reschedule_interrupt+0x109/0x650 [ 1128.307684] ? smp_call_function_single_interrupt+0x650/0x650 [ 1128.313572] ? interrupt_entry+0xb5/0xc0 [ 1128.317631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1128.322644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1128.327659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.332500] ? trace_hardirqs_on_caller+0x310/0x310 [ 1128.337518] ? trace_hardirqs_on_caller+0x310/0x310 [ 1128.342533] ? task_prio+0x50/0x50 [ 1128.346072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.351689] ? check_preemption_disabled+0x48/0x280 [ 1128.356709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.361555] apic_timer_interrupt+0xf/0x20 [ 1128.365778] [ 1128.368009] RIP: 0010:console_unlock+0x102f/0x1190 [ 1128.372935] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1128.391826] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1128.399526] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1128.406790] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1128.414054] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1128.421336] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1128.428602] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1128.435871] ? netconsole_netdev_event+0x280/0x280 [ 1128.440803] ? console_unlock+0x1026/0x1190 [ 1128.445151] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1128.449812] ? vprintk_emit+0x846/0x990 [ 1128.453786] ? lock_release+0xa00/0xa00 [ 1128.457759] ? trace_hardirqs_on+0x70/0x310 [ 1128.462073] ? vprintk_default+0x28/0x30 [ 1128.466139] ? trace_hardirqs_off_caller+0x310/0x310 [ 1128.471242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.476780] vprintk_emit+0x391/0x990 [ 1128.480581] ? wake_up_klogd+0x180/0x180 [ 1128.484642] ? find_held_lock+0x11/0x1c0 [ 1128.488711] ? mark_held_locks+0xc7/0x130 [ 1128.492941] ? _raw_spin_unlock_irq+0x27/0x80 [ 1128.497442] ? _raw_spin_unlock_irq+0x27/0x80 [ 1128.501938] vprintk_default+0x28/0x30 [ 1128.505835] vprintk_func+0x7e/0x181 [ 1128.509545] printk+0xa7/0xcf [ 1128.512649] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1128.517401] ? _raw_spin_unlock_irq+0x60/0x80 [ 1128.521905] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1128.527183] dump_header+0x7cc/0xf72 [ 1128.530905] ? pagefault_out_of_memory+0x197/0x197 [ 1128.535834] ? __lock_acquire+0x62f/0x4c20 [ 1128.540067] ? print_usage_bug+0xc0/0xc0 [ 1128.544136] ? zap_class+0x640/0x640 [ 1128.547851] ? print_usage_bug+0xc0/0xc0 [ 1128.551911] ? print_usage_bug+0xc0/0xc0 [ 1128.555969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.561506] ? find_held_lock+0x36/0x1c0 [ 1128.565571] ? mark_held_locks+0xc7/0x130 [ 1128.569718] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1128.574814] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1128.579912] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1128.584494] ? trace_hardirqs_on+0xbd/0x310 [ 1128.588814] ? kasan_check_read+0x11/0x20 [ 1128.592955] ? ___ratelimit+0x3b4/0x672 [ 1128.596926] ? trace_hardirqs_off_caller+0x310/0x310 [ 1128.602025] ? trace_hardirqs_on+0x310/0x310 [ 1128.606431] ? lock_downgrade+0x900/0x900 [ 1128.610581] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1128.615692] ? ___ratelimit+0x3b9/0x672 [ 1128.619661] ? idr_get_free+0xf70/0xf70 [ 1128.623628] ? find_held_lock+0x36/0x1c0 [ 1128.627696] oom_kill_process.cold.27+0x10/0x903 [ 1128.632447] ? zap_class+0x640/0x640 [ 1128.636156] ? check_preemption_disabled+0x48/0x280 [ 1128.641169] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1128.646091] ? kasan_check_read+0x11/0x20 [ 1128.650238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1128.655511] ? oom_evaluate_task+0x540/0x540 [ 1128.659916] ? find_held_lock+0x36/0x1c0 [ 1128.663979] ? out_of_memory+0x974/0x1430 [ 1128.668383] ? lock_downgrade+0x900/0x900 [ 1128.672526] ? check_preemption_disabled+0x48/0x280 [ 1128.677538] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1128.682464] ? kasan_check_read+0x11/0x20 [ 1128.686610] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1128.691878] ? rcu_softirq_qs+0x20/0x20 [ 1128.695852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1128.701380] ? oom_evaluate_task+0x302/0x540 [ 1128.705786] out_of_memory+0xa84/0x1430 [ 1128.709764] ? oom_killer_disable+0x3a0/0x3a0 [ 1128.714256] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1128.719183] ? __ww_mutex_check_waiters+0x160/0x160 [ 1128.724205] __alloc_pages_slowpath+0x2354/0x2e10 [ 1128.729070] ? warn_alloc+0x120/0x120 [ 1128.732864] ? mark_held_locks+0x130/0x130 [ 1128.737098] ? find_get_entry+0xaae/0x1120 [ 1128.741342] ? filemap_map_pages+0x1a20/0x1a20 [ 1128.745928] ? zap_class+0x640/0x640 [ 1128.749643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1128.755178] ? check_preemption_disabled+0x48/0x280 [ 1128.760188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1128.765717] ? should_fail+0x22d/0xd01 [ 1128.769605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1128.774701] ? zap_class+0x640/0x640 [ 1128.778433] ? __lock_is_held+0xb5/0x140 [ 1128.782503] ? mark_held_locks+0x130/0x130 [ 1128.786738] ? lock_release+0xa00/0xa00 [ 1128.790710] ? perf_trace_sched_process_exec+0x860/0x860 [ 1128.796158] ? xa_load+0x2ba/0x460 [ 1128.799697] ? lock_downgrade+0x900/0x900 [ 1128.803945] ? __might_sleep+0x95/0x190 [ 1128.807918] __alloc_pages_nodemask+0xa80/0xde0 [ 1128.812589] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1128.817602] ? __page_cache_alloc+0x191/0x5c0 [ 1128.822088] ? xa_load+0x2e1/0x460 [ 1128.825630] ? xa_clear_mark+0x40/0x40 [ 1128.829511] ? zap_class+0x640/0x640 [ 1128.833230] ? zap_class+0x640/0x640 [ 1128.836939] ? zap_class+0x640/0x640 [ 1128.840650] ? __do_page_cache_readahead+0x663/0x810 [ 1128.845753] ? find_held_lock+0x36/0x1c0 [ 1128.849815] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1128.855352] alloc_pages_current+0x173/0x350 [ 1128.859763] __page_cache_alloc+0x38c/0x5c0 [ 1128.864079] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1128.869007] ? kasan_check_read+0x11/0x20 [ 1128.873156] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1128.878431] ? generic_perform_write+0x6a0/0x6a0 [ 1128.883186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1128.888717] ? check_preemption_disabled+0x48/0x280 [ 1128.893742] filemap_fault+0x1595/0x25f0 [ 1128.897810] ? __lock_page_or_retry+0xa00/0xa00 [ 1128.902480] ? mark_held_locks+0x130/0x130 [ 1128.907262] ? filemap_map_pages+0xd6b/0x1a20 [ 1128.911757] ? lock_downgrade+0x900/0x900 [ 1128.915899] ? check_preemption_disabled+0x48/0x280 [ 1128.920916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1128.925839] ? kasan_check_read+0x11/0x20 [ 1128.929981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1128.935252] ? rcu_softirq_qs+0x20/0x20 [ 1128.939235] ? filemap_map_pages+0xd92/0x1a20 [ 1128.943751] ? find_get_entries_tag+0x1400/0x1400 [ 1128.948591] ? find_held_lock+0x36/0x1c0 [ 1128.952667] ? lock_acquire+0x1ed/0x520 [ 1128.956632] ? ext4_filemap_fault+0x7a/0xad [ 1128.960952] ? lock_release+0xa00/0xa00 [ 1128.964918] ? perf_trace_sched_process_exec+0x860/0x860 [ 1128.970366] ? print_usage_bug+0xc0/0xc0 [ 1128.974436] ? down_read+0x8d/0x120 [ 1128.978057] ? ext4_filemap_fault+0x7a/0xad [ 1128.982377] ? __down_interruptible+0x700/0x700 [ 1128.987041] ? find_held_lock+0x36/0x1c0 [ 1128.991106] ext4_filemap_fault+0x82/0xad [ 1128.995254] __do_fault+0x100/0x6b0 [ 1128.998880] ? lock_downgrade+0x900/0x900 [ 1129.003022] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1129.008130] ? kasan_check_read+0x11/0x20 [ 1129.012272] ? do_raw_spin_unlock+0xa7/0x330 [ 1129.016672] ? do_raw_spin_trylock+0x270/0x270 [ 1129.021271] __handle_mm_fault+0x3ea0/0x5be0 [ 1129.025673] ? perf_trace_lock+0x7a0/0x7a0 [ 1129.029910] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1129.034758] ? ksys_dup3+0x680/0x680 [ 1129.038482] ? zap_class+0x640/0x640 [ 1129.042191] ? zap_class+0x640/0x640 [ 1129.045899] ? __x64_sys_futex+0x53e/0x6a0 [ 1129.050134] ? find_held_lock+0x36/0x1c0 [ 1129.054204] ? handle_mm_fault+0x42a/0xc70 [ 1129.058432] ? lock_downgrade+0x900/0x900 [ 1129.062580] ? check_preemption_disabled+0x48/0x280 [ 1129.067598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1129.072519] ? kasan_check_read+0x11/0x20 [ 1129.076664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1129.081939] ? rcu_softirq_qs+0x20/0x20 [ 1129.085907] ? trace_hardirqs_off_caller+0x310/0x310 [ 1129.091006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1129.096539] ? check_preemption_disabled+0x48/0x280 [ 1129.101555] handle_mm_fault+0x54f/0xc70 [ 1129.105614] ? __handle_mm_fault+0x5be0/0x5be0 [ 1129.110198] ? find_vma+0x34/0x190 [ 1129.113735] __do_page_fault+0x5e8/0xe60 [ 1129.117789] ? trace_hardirqs_off+0xb8/0x310 [ 1129.122189] ? kernel_write+0x120/0x120 [ 1129.126168] do_page_fault+0xf2/0x7e0 [ 1129.129965] ? vmalloc_sync_all+0x30/0x30 [ 1129.134117] ? error_entry+0x70/0xd0 [ 1129.137827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1129.142835] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1129.147762] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1129.152683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1129.157519] ? trace_hardirqs_on_caller+0x310/0x310 [ 1129.162530] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1129.167977] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1129.172986] ? page_fault+0x8/0x30 [ 1129.176527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1129.181371] ? page_fault+0x8/0x30 [ 1129.184906] page_fault+0x1e/0x30 [ 1129.188378] RIP: 0033:0x404068 [ 1129.191576] Code: Bad RIP value. [ 1129.194930] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1129.200287] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1129.207548] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1129.214811] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1129.222080] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1129.229343] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1129.236633] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1129.236638] warn_alloc_show_mem: 1 callbacks suppressed [ 1129.236644] Mem-Info: [ 1129.243909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1129.249267] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1129.249267] active_file:12 inactive_file:9 isolated_file:0 [ 1129.249267] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1129.249267] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1129.249267] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1129.249267] free:13627 free_pcp:121 free_cma:0 [ 1129.251636] Call Trace: [ 1129.261021] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1129.293861] [ 1129.296422] 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 [ 1129.324090] dump_stack+0x244/0x39d [ 1129.326208] lowmem_reserve[]: 0 2818 6321 6321 [ 1129.352307] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1129.355902] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1129.360484] warn_alloc.cold.116+0xb7/0x1bd [ 1129.365635] lowmem_reserve[]: 0 0 3503 3503 [ 1129.392949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1129.397239] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1129.401552] ? lock_downgrade+0x900/0x900 [ 1129.406357] lowmem_reserve[]: 0 0 0 0 [ 1129.435080] ? trace_hardirqs_off+0xb8/0x310 [ 1129.439193] 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 [ 1129.442985] ? trace_hardirqs_off+0xb8/0x310 [ 1129.447361] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1129.460876] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1129.465252] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1129.480869] ? warn_alloc+0x120/0x120 [ 1129.485667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1129.499089] ? print_usage_bug+0xc0/0xc0 [ 1129.502866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1129.511682] ? warn_alloc+0x120/0x120 [ 1129.515715] 4359 total pagecache pages [ 1129.524277] ? warn_alloc+0x120/0x120 [ 1129.528063] 0 pages in swap cache [ 1129.531930] ? print_usage_bug+0xc0/0xc0 [ 1129.535702] Swap cache stats: add 0, delete 0, find 0/0 [ 1129.539139] ? kvm_clock_read+0x18/0x30 [ 1129.543173] Free swap = 0kB [ 1129.548523] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1129.552463] Total swap = 0kB [ 1129.552470] 1965979 pages RAM [ 1129.555476] ? print_usage_bug+0xc0/0xc0 [ 1129.560458] 0 pages HighMem/MovableOnly [ 1129.560465] 342854 pages reserved [ 1129.563468] ? __lock_acquire+0x62f/0x4c20 [ 1129.566542] 0 pages cma reserved [ 1129.570594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1129.574605] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1129.577978] ? should_fail+0x22d/0xd01 [ 1129.577991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1129.578010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1129.582266] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1129.585568] ? __lock_acquire+0x62f/0x4c20 [ 1129.591074] syz-fuzzer cpuset=/ mems_allowed=0 [ 1129.597553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1129.635821] ? __lock_acquire+0x62f/0x4c20 [ 1129.640057] ? should_fail+0x22d/0xd01 [ 1129.643939] ? rcu_irq_exit+0x1a2/0x390 [ 1129.647925] ? mark_held_locks+0x130/0x130 [ 1129.652161] ? mark_held_locks+0x130/0x130 [ 1129.656396] ? mark_held_locks+0xc7/0x130 [ 1129.660539] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1129.665550] ? zap_class+0x640/0x640 [ 1129.669261] ? print_usage_bug+0xc0/0xc0 [ 1129.673324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.678875] ? check_preemption_disabled+0x48/0x280 [ 1129.683906] ? __lock_is_held+0xb5/0x140 [ 1129.687973] __alloc_pages_nodemask+0xa80/0xde0 [ 1129.692636] ? zap_class+0x640/0x640 [ 1129.696381] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1129.701402] ? find_held_lock+0x36/0x1c0 [ 1129.705470] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1129.710134] ? lock_downgrade+0x900/0x900 [ 1129.714289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.719825] cache_grow_begin+0xa5/0x8c0 [ 1129.723883] ? do_raw_spin_unlock+0xa7/0x330 [ 1129.728296] fallback_alloc+0x204/0x2e0 [ 1129.732273] ____cache_alloc_node+0x1c7/0x1e0 [ 1129.736766] kmem_cache_alloc_node+0xe3/0x730 [ 1129.741257] ? ipv6_get_ifaddr+0x42e/0x620 [ 1129.745496] __alloc_skb+0x119/0x770 [ 1129.749204] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1129.754479] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1129.758890] ? lock_downgrade+0x900/0x900 [ 1129.763049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.768581] ? refcount_sub_and_test_checked+0x203/0x310 [ 1129.774027] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1129.779480] ? addrconf_rs_timer+0x690/0x690 [ 1129.783904] ndisc_alloc_skb+0x144/0x340 [ 1129.787965] ndisc_send_rs+0x331/0x6e0 [ 1129.791852] addrconf_rs_timer+0x314/0x690 [ 1129.796086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1129.800325] call_timer_fn+0x272/0x920 [ 1129.804209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1129.808445] ? process_timeout+0x40/0x40 [ 1129.812510] ? __run_timers+0x7da/0xc70 [ 1129.816484] ? _raw_spin_unlock_irq+0x27/0x80 [ 1129.820971] ? _raw_spin_unlock_irq+0x27/0x80 [ 1129.825461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1129.829694] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1129.834274] ? trace_hardirqs_on+0xbd/0x310 [ 1129.838592] ? kasan_check_read+0x11/0x20 [ 1129.842732] ? __run_timers+0x7da/0xc70 [ 1129.846709] ? trace_hardirqs_off_caller+0x310/0x310 [ 1129.851811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1129.856050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1129.860279] __run_timers+0x7e5/0xc70 [ 1129.864088] ? timer_fixup_init+0x70/0x70 [ 1129.868234] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1129.873247] ? zap_class+0x640/0x640 [ 1129.876962] ? enqueue_hrtimer+0x1a5/0x560 [ 1129.881192] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1129.886383] ? find_held_lock+0x36/0x1c0 [ 1129.890442] ? zap_class+0x640/0x640 [ 1129.894157] ? pvclock_read_flags+0x160/0x160 [ 1129.898651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.904191] ? check_preemption_disabled+0x48/0x280 [ 1129.909212] ? __lock_is_held+0xb5/0x140 [ 1129.913269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.918801] ? check_preemption_disabled+0x48/0x280 [ 1129.923820] run_timer_softirq+0x52/0xb0 [ 1129.927879] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1129.932900] __do_softirq+0x308/0xb7e [ 1129.936697] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1129.941191] ? lock_downgrade+0x900/0x900 [ 1129.945336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1129.950440] ? pvclock_read_flags+0x160/0x160 [ 1129.954934] ? lapic_next_event+0x5a/0x90 [ 1129.959081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.964617] ? kvm_clock_read+0x18/0x30 [ 1129.968588] ? kvm_sched_clock_read+0x9/0x20 [ 1129.972992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1129.978529] ? check_preemption_disabled+0x48/0x280 [ 1129.983551] irq_exit+0x17f/0x1c0 [ 1129.986999] smp_apic_timer_interrupt+0x1cb/0x760 [ 1129.991846] ? smp_reschedule_interrupt+0x109/0x650 [ 1129.996859] ? smp_call_function_single_interrupt+0x650/0x650 [ 1130.002738] ? interrupt_entry+0xb5/0xc0 [ 1130.006796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1130.011808] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1130.016823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.021665] ? trace_hardirqs_on_caller+0x310/0x310 [ 1130.026675] ? trace_hardirqs_on_caller+0x310/0x310 [ 1130.031688] ? task_prio+0x50/0x50 [ 1130.035226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.040757] ? check_preemption_disabled+0x48/0x280 [ 1130.045773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.050622] apic_timer_interrupt+0xf/0x20 [ 1130.054860] [ 1130.057095] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1130.062030] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1130.081421] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1130.089127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1130.096389] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1130.103739] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1130.111009] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1130.118271] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1130.125589] skb_clone+0x1bb/0x500 [ 1130.129128] ? finish_task_switch+0x2f4/0x910 [ 1130.133622] ? skb_split+0x11e0/0x11e0 [ 1130.137506] ? preempt_notifier_register+0x200/0x200 [ 1130.142606] ? __switch_to_asm+0x34/0x70 [ 1130.146659] ? __switch_to_asm+0x34/0x70 [ 1130.150711] ? __switch_to_asm+0x40/0x70 [ 1130.154773] ? __switch_to_asm+0x34/0x70 [ 1130.158830] ? __switch_to_asm+0x40/0x70 [ 1130.163222] ? __switch_to_asm+0x34/0x70 [ 1130.167277] ? __switch_to_asm+0x40/0x70 [ 1130.171327] ? __switch_to_asm+0x34/0x70 [ 1130.175380] ? __switch_to_asm+0x34/0x70 [ 1130.179431] ? __switch_to_asm+0x40/0x70 [ 1130.183482] ? __switch_to_asm+0x34/0x70 [ 1130.187541] bpf_clone_redirect+0xb9/0x490 [ 1130.191774] ? __schedule+0x8d7/0x21d0 [ 1130.195676] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1130.200693] ? __sched_text_start+0x8/0x8 [ 1130.204850] ? find_held_lock+0x36/0x1c0 [ 1130.208916] ? lock_acquire+0x1ed/0x520 [ 1130.212893] ? bpf_test_run+0x3cb/0x780 [ 1130.216869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.222401] ? check_preemption_disabled+0x48/0x280 [ 1130.227421] ? kasan_check_read+0x11/0x20 [ 1130.231562] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1130.236833] ? rcu_softirq_qs+0x20/0x20 [ 1130.240824] ? preempt_schedule+0x4d/0x60 [ 1130.244969] ? ___preempt_schedule+0x16/0x18 [ 1130.249385] ? bpf_test_run+0x25d/0x780 [ 1130.253364] ? netlink_diag_dump+0x2a0/0x2a0 [ 1130.257769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1130.263301] ? bpf_test_init.isra.10+0x70/0x100 [ 1130.267969] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1130.272737] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1130.277575] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1130.283109] ? fput+0x130/0x1a0 [ 1130.286385] ? __bpf_prog_get+0x9b/0x290 [ 1130.290446] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1130.295279] ? bpf_prog_test_run+0x130/0x1a0 [ 1130.299688] ? __x64_sys_bpf+0x3d8/0x520 [ 1130.303745] ? bpf_prog_get+0x20/0x20 [ 1130.307558] ? do_syscall_64+0x1b9/0x820 [ 1130.311615] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1130.316979] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1130.321909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.326748] ? trace_hardirqs_on_caller+0x310/0x310 [ 1130.331767] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1130.336779] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1130.341795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.346637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1130.352031] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1130.352092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1130.359040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1130.359044] Call Trace: [ 1130.359050] [ 1130.359067] dump_stack+0x244/0x39d [ 1130.359087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1130.365627] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1130.374908] warn_alloc.cold.116+0xb7/0x1bd [ 1130.377454] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1130.379592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1130.413046] ? lock_downgrade+0x900/0x900 [ 1130.417196] ? trace_hardirqs_off+0xb8/0x310 [ 1130.421614] ? trace_hardirqs_off+0xb8/0x310 [ 1130.426026] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1130.430889] ? warn_alloc+0x120/0x120 [ 1130.434689] ? print_usage_bug+0xc0/0xc0 [ 1130.438745] ? warn_alloc+0x120/0x120 [ 1130.442545] ? warn_alloc+0x120/0x120 [ 1130.446339] ? print_usage_bug+0xc0/0xc0 [ 1130.450404] ? print_usage_bug+0xc0/0xc0 [ 1130.454459] ? __lock_acquire+0x62f/0x4c20 [ 1130.458697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1130.464233] ? should_fail+0x22d/0xd01 [ 1130.468117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1130.473215] ? __lock_acquire+0x62f/0x4c20 [ 1130.477448] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1130.482548] ? __lock_acquire+0x62f/0x4c20 [ 1130.486773] ? should_fail+0x22d/0xd01 [ 1130.490654] ? find_held_lock+0x36/0x1c0 [ 1130.494721] ? mark_held_locks+0x130/0x130 [ 1130.498957] ? mark_held_locks+0x130/0x130 [ 1130.503192] ? zap_class+0x640/0x640 [ 1130.506905] ? zap_class+0x640/0x640 [ 1130.510613] ? print_usage_bug+0xc0/0xc0 [ 1130.514671] ? do_raw_spin_unlock+0xa7/0x330 [ 1130.519073] ? zap_class+0x640/0x640 [ 1130.522785] ? print_usage_bug+0xc0/0xc0 [ 1130.526840] ? wq_watchdog_touch+0x9c/0xfe [ 1130.531073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.536611] ? check_preemption_disabled+0x48/0x280 [ 1130.541634] ? __lock_is_held+0xb5/0x140 [ 1130.545695] __alloc_pages_nodemask+0xa80/0xde0 [ 1130.550360] ? zap_class+0x640/0x640 [ 1130.554077] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1130.559101] ? find_held_lock+0x36/0x1c0 [ 1130.563167] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1130.567833] ? lock_downgrade+0x900/0x900 [ 1130.571990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.577542] cache_grow_begin+0xa5/0x8c0 [ 1130.581596] ? do_raw_spin_unlock+0xa7/0x330 [ 1130.586011] fallback_alloc+0x204/0x2e0 [ 1130.589991] ____cache_alloc_node+0x1c7/0x1e0 [ 1130.594484] kmem_cache_alloc_node+0xe3/0x730 [ 1130.598978] ? ipv6_get_ifaddr+0x42e/0x620 [ 1130.603221] __alloc_skb+0x119/0x770 [ 1130.606929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1130.612202] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1130.616604] ? lock_downgrade+0x900/0x900 [ 1130.620751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.626283] ? refcount_sub_and_test_checked+0x203/0x310 [ 1130.631730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1130.637173] ? addrconf_rs_timer+0x690/0x690 [ 1130.641593] ndisc_alloc_skb+0x144/0x340 [ 1130.645655] ndisc_send_rs+0x331/0x6e0 [ 1130.649541] addrconf_rs_timer+0x314/0x690 [ 1130.653775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1130.658013] call_timer_fn+0x272/0x920 [ 1130.661892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1130.666121] ? process_timeout+0x40/0x40 [ 1130.670185] ? mark_held_locks+0xc7/0x130 [ 1130.674333] ? _raw_spin_unlock_irq+0x27/0x80 [ 1130.678820] ? _raw_spin_unlock_irq+0x27/0x80 [ 1130.683320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1130.687552] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1130.692130] ? trace_hardirqs_on+0xbd/0x310 [ 1130.696445] ? kasan_check_read+0x11/0x20 [ 1130.700587] ? __run_timers+0x7da/0xc70 [ 1130.704559] ? trace_hardirqs_off_caller+0x310/0x310 [ 1130.709660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1130.713895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1130.718125] __run_timers+0x7e5/0xc70 [ 1130.721932] ? timer_fixup_init+0x70/0x70 [ 1130.726087] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1130.731098] ? zap_class+0x640/0x640 [ 1130.734812] ? print_usage_bug+0xc0/0xc0 [ 1130.738873] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1130.744412] ? find_held_lock+0x36/0x1c0 [ 1130.748476] ? zap_class+0x640/0x640 [ 1130.752190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.757725] ? check_preemption_disabled+0x48/0x280 [ 1130.762749] ? __lock_is_held+0xb5/0x140 [ 1130.766807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.772342] ? check_preemption_disabled+0x48/0x280 [ 1130.777357] run_timer_softirq+0x52/0xb0 [ 1130.781415] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1130.786425] __do_softirq+0x308/0xb7e [ 1130.790223] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1130.794711] ? lock_downgrade+0x900/0x900 [ 1130.798855] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1130.803964] ? pvclock_read_flags+0x160/0x160 [ 1130.808455] ? lapic_next_event+0x5a/0x90 [ 1130.812603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.818138] ? kvm_clock_read+0x18/0x30 [ 1130.822104] ? kvm_sched_clock_read+0x9/0x20 [ 1130.826509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.832046] ? check_preemption_disabled+0x48/0x280 [ 1130.837069] irq_exit+0x17f/0x1c0 [ 1130.840519] smp_apic_timer_interrupt+0x1cb/0x760 [ 1130.845357] ? smp_reschedule_interrupt+0x109/0x650 [ 1130.850373] ? smp_call_function_single_interrupt+0x650/0x650 [ 1130.856250] ? interrupt_entry+0xb5/0xc0 [ 1130.860306] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1130.865321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1130.870338] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.875176] ? trace_hardirqs_on_caller+0x310/0x310 [ 1130.880184] ? trace_hardirqs_on_caller+0x310/0x310 [ 1130.885194] ? task_prio+0x50/0x50 [ 1130.888728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1130.894267] ? check_preemption_disabled+0x48/0x280 [ 1130.899283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.904657] apic_timer_interrupt+0xf/0x20 [ 1130.908881] [ 1130.911115] RIP: 0010:console_unlock+0x102f/0x1190 [ 1130.916038] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1130.934931] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1130.942639] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1130.949903] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1130.957164] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1130.964428] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1130.971692] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1130.978967] ? netconsole_netdev_event+0x280/0x280 [ 1130.983897] ? console_unlock+0x1026/0x1190 [ 1130.988234] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1130.992895] ? vprintk_emit+0x846/0x990 [ 1130.996868] ? lock_release+0xa00/0xa00 [ 1131.000837] ? trace_hardirqs_on+0x70/0x310 [ 1131.005151] ? vprintk_default+0x28/0x30 [ 1131.009206] ? trace_hardirqs_off_caller+0x310/0x310 [ 1131.014309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1131.019848] vprintk_emit+0x391/0x990 [ 1131.023648] ? wake_up_klogd+0x180/0x180 [ 1131.027711] ? find_held_lock+0x11/0x1c0 [ 1131.031776] ? mark_held_locks+0xc7/0x130 [ 1131.035922] ? _raw_spin_unlock_irq+0x27/0x80 [ 1131.040421] ? _raw_spin_unlock_irq+0x27/0x80 [ 1131.044917] vprintk_default+0x28/0x30 [ 1131.048807] vprintk_func+0x7e/0x181 [ 1131.052520] printk+0xa7/0xcf [ 1131.055622] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1131.060374] ? _raw_spin_unlock_irq+0x60/0x80 [ 1131.064877] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1131.070158] dump_header+0x7cc/0xf72 [ 1131.073881] ? pagefault_out_of_memory+0x197/0x197 [ 1131.078815] ? __lock_acquire+0x62f/0x4c20 [ 1131.083051] ? print_usage_bug+0xc0/0xc0 [ 1131.087116] ? zap_class+0x640/0x640 [ 1131.090835] ? print_usage_bug+0xc0/0xc0 [ 1131.094892] ? print_usage_bug+0xc0/0xc0 [ 1131.098959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1131.104499] ? find_held_lock+0x36/0x1c0 [ 1131.108563] ? mark_held_locks+0xc7/0x130 [ 1131.112708] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1131.117889] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1131.122987] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1131.127567] ? trace_hardirqs_on+0xbd/0x310 [ 1131.131887] ? kasan_check_read+0x11/0x20 [ 1131.136030] ? ___ratelimit+0x3b4/0x672 [ 1131.140005] ? trace_hardirqs_off_caller+0x310/0x310 [ 1131.145107] ? trace_hardirqs_on+0x310/0x310 [ 1131.149509] ? lock_downgrade+0x900/0x900 [ 1131.153654] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1131.158750] ? ___ratelimit+0x3b9/0x672 [ 1131.162908] ? idr_get_free+0xf70/0xf70 [ 1131.166883] ? find_held_lock+0x36/0x1c0 [ 1131.170957] oom_kill_process.cold.27+0x10/0x903 [ 1131.175706] ? zap_class+0x640/0x640 [ 1131.179413] ? check_preemption_disabled+0x48/0x280 [ 1131.184425] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1131.189348] ? kasan_check_read+0x11/0x20 [ 1131.193488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1131.198764] ? oom_evaluate_task+0x540/0x540 [ 1131.203169] ? find_held_lock+0x36/0x1c0 [ 1131.207230] ? out_of_memory+0x974/0x1430 [ 1131.211376] ? lock_downgrade+0x900/0x900 [ 1131.215518] ? check_preemption_disabled+0x48/0x280 [ 1131.220531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1131.225455] ? kasan_check_read+0x11/0x20 [ 1131.229600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1131.234870] ? rcu_softirq_qs+0x20/0x20 [ 1131.238841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1131.244372] ? oom_evaluate_task+0x302/0x540 [ 1131.248778] out_of_memory+0xa84/0x1430 [ 1131.252754] ? oom_killer_disable+0x3a0/0x3a0 [ 1131.257248] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1131.262179] ? __ww_mutex_check_waiters+0x160/0x160 [ 1131.267200] __alloc_pages_slowpath+0x2354/0x2e10 [ 1131.272066] ? warn_alloc+0x120/0x120 [ 1131.275860] ? mark_held_locks+0x130/0x130 [ 1131.280093] ? find_get_entry+0xaae/0x1120 [ 1131.284332] ? filemap_map_pages+0x1a20/0x1a20 [ 1131.288919] ? zap_class+0x640/0x640 [ 1131.292632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1131.298163] ? check_preemption_disabled+0x48/0x280 [ 1131.303175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1131.308707] ? should_fail+0x22d/0xd01 [ 1131.312613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1131.317712] ? zap_class+0x640/0x640 [ 1131.321444] ? __lock_is_held+0xb5/0x140 [ 1131.325514] ? mark_held_locks+0x130/0x130 [ 1131.329747] ? lock_release+0xa00/0xa00 [ 1131.333716] ? perf_trace_sched_process_exec+0x860/0x860 [ 1131.339163] ? xa_load+0x2ba/0x460 [ 1131.342703] ? lock_downgrade+0x900/0x900 [ 1131.346854] ? __might_sleep+0x95/0x190 [ 1131.350829] __alloc_pages_nodemask+0xa80/0xde0 [ 1131.355499] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1131.360514] ? __page_cache_alloc+0x191/0x5c0 [ 1131.365006] ? xa_load+0x2e1/0x460 [ 1131.368544] ? xa_clear_mark+0x40/0x40 [ 1131.372428] ? zap_class+0x640/0x640 [ 1131.376148] ? zap_class+0x640/0x640 [ 1131.379854] ? zap_class+0x640/0x640 [ 1131.383563] ? __do_page_cache_readahead+0x663/0x810 [ 1131.388666] ? find_held_lock+0x36/0x1c0 [ 1131.392725] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1131.398271] alloc_pages_current+0x173/0x350 [ 1131.402679] __page_cache_alloc+0x38c/0x5c0 [ 1131.406997] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1131.411930] ? kasan_check_read+0x11/0x20 [ 1131.416083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1131.421356] ? generic_perform_write+0x6a0/0x6a0 [ 1131.426112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1131.431645] ? check_preemption_disabled+0x48/0x280 [ 1131.436663] filemap_fault+0x1595/0x25f0 [ 1131.440732] ? __lock_page_or_retry+0xa00/0xa00 [ 1131.445398] ? mark_held_locks+0x130/0x130 [ 1131.449638] ? filemap_map_pages+0xd6b/0x1a20 [ 1131.454130] ? lock_downgrade+0x900/0x900 [ 1131.458278] ? check_preemption_disabled+0x48/0x280 [ 1131.463295] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1131.468219] ? kasan_check_read+0x11/0x20 [ 1131.472362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1131.477635] ? rcu_softirq_qs+0x20/0x20 [ 1131.481616] ? filemap_map_pages+0xd92/0x1a20 [ 1131.486141] ? find_get_entries_tag+0x1400/0x1400 [ 1131.490979] ? find_held_lock+0x36/0x1c0 [ 1131.495055] ? lock_acquire+0x1ed/0x520 [ 1131.499026] ? ext4_filemap_fault+0x7a/0xad [ 1131.503352] ? lock_release+0xa00/0xa00 [ 1131.507319] ? perf_trace_sched_process_exec+0x860/0x860 [ 1131.512762] ? print_usage_bug+0xc0/0xc0 [ 1131.516833] ? down_read+0x8d/0x120 [ 1131.520450] ? ext4_filemap_fault+0x7a/0xad [ 1131.524769] ? __down_interruptible+0x700/0x700 [ 1131.529434] ? find_held_lock+0x36/0x1c0 [ 1131.533492] ext4_filemap_fault+0x82/0xad [ 1131.537638] __do_fault+0x100/0x6b0 [ 1131.541264] ? lock_downgrade+0x900/0x900 [ 1131.545407] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1131.550512] ? kasan_check_read+0x11/0x20 [ 1131.554652] ? do_raw_spin_unlock+0xa7/0x330 [ 1131.559054] ? do_raw_spin_trylock+0x270/0x270 [ 1131.563644] __handle_mm_fault+0x3ea0/0x5be0 [ 1131.568045] ? perf_trace_lock+0x7a0/0x7a0 [ 1131.572285] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1131.577133] ? ksys_dup3+0x680/0x680 [ 1131.580858] ? zap_class+0x640/0x640 [ 1131.584570] ? zap_class+0x640/0x640 [ 1131.588283] ? __x64_sys_futex+0x53e/0x6a0 [ 1131.592516] ? find_held_lock+0x36/0x1c0 [ 1131.596581] ? handle_mm_fault+0x42a/0xc70 [ 1131.600813] ? lock_downgrade+0x900/0x900 [ 1131.605043] ? check_preemption_disabled+0x48/0x280 [ 1131.610062] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1131.614984] ? kasan_check_read+0x11/0x20 [ 1131.619124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1131.624394] ? rcu_softirq_qs+0x20/0x20 [ 1131.628362] ? trace_hardirqs_off_caller+0x310/0x310 [ 1131.633461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1131.638996] ? check_preemption_disabled+0x48/0x280 [ 1131.644016] handle_mm_fault+0x54f/0xc70 [ 1131.648075] ? __handle_mm_fault+0x5be0/0x5be0 [ 1131.652656] ? find_vma+0x34/0x190 [ 1131.656197] __do_page_fault+0x5e8/0xe60 [ 1131.660256] ? trace_hardirqs_off+0xb8/0x310 [ 1131.664659] ? kernel_write+0x120/0x120 [ 1131.668639] do_page_fault+0xf2/0x7e0 [ 1131.672436] ? vmalloc_sync_all+0x30/0x30 [ 1131.676579] ? error_entry+0x70/0xd0 [ 1131.680292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1131.685305] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1131.690234] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1131.695160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1131.699997] ? trace_hardirqs_on_caller+0x310/0x310 [ 1131.705007] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1131.710455] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1131.715464] ? page_fault+0x8/0x30 [ 1131.719004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1131.723845] ? page_fault+0x8/0x30 [ 1131.727388] page_fault+0x1e/0x30 [ 1131.730835] RIP: 0033:0x404068 [ 1131.734031] Code: Bad RIP value. [ 1131.737389] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1131.742748] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1131.750011] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1131.757382] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1131.764644] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1131.771903] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1131.779193] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1131.779198] warn_alloc_show_mem: 1 callbacks suppressed [ 1131.779204] Mem-Info: [ 1131.786469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1131.791830] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1131.791830] active_file:12 inactive_file:9 isolated_file:0 [ 1131.791830] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1131.791830] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1131.791830] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1131.791830] free:13627 free_pcp:121 free_cma:0 [ 1131.794197] Call Trace: [ 1131.803569] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1131.836408] [ 1131.838970] 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 [ 1131.866631] dump_stack+0x244/0x39d [ 1131.868752] lowmem_reserve[]: 0 2818 6321 6321 [ 1131.894853] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1131.898452] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1131.903031] warn_alloc.cold.116+0xb7/0x1bd [ 1131.908189] lowmem_reserve[]: 0 0 3503 3503 [ 1131.935500] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1131.939792] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1131.944103] ? lock_downgrade+0x900/0x900 [ 1131.948911] lowmem_reserve[]: 0 0 0 0 [ 1131.977615] ? trace_hardirqs_off+0xb8/0x310 [ 1131.981725] 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 [ 1131.985526] ? trace_hardirqs_off+0xb8/0x310 [ 1131.989903] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1132.003418] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1132.007792] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1132.023414] ? warn_alloc+0x120/0x120 [ 1132.028208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.041624] ? print_usage_bug+0xc0/0xc0 [ 1132.045397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.054212] ? warn_alloc+0x120/0x120 [ 1132.058250] 4359 total pagecache pages [ 1132.066809] ? warn_alloc+0x120/0x120 [ 1132.070587] 0 pages in swap cache [ 1132.074996] ? print_usage_bug+0xc0/0xc0 [ 1132.078770] Swap cache stats: add 0, delete 0, find 0/0 [ 1132.082207] ? kvm_clock_read+0x18/0x30 [ 1132.086242] Free swap = 0kB [ 1132.086249] Total swap = 0kB [ 1132.091600] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1132.095545] 1965979 pages RAM [ 1132.098549] ? print_usage_bug+0xc0/0xc0 [ 1132.101538] 0 pages HighMem/MovableOnly [ 1132.106539] ? __lock_acquire+0x62f/0x4c20 [ 1132.109610] 342854 pages reserved [ 1132.109617] 0 pages cma reserved [ 1132.113668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1132.117666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1132.121834] ? should_fail+0x22d/0xd01 [ 1132.125314] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1132.128615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1132.134122] syz-fuzzer cpuset=/ mems_allowed=0 [ 1132.140604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1132.169977] ? __lock_acquire+0x62f/0x4c20 [ 1132.174209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1132.179309] ? __lock_acquire+0x62f/0x4c20 [ 1132.183537] ? should_fail+0x22d/0xd01 [ 1132.187416] ? rcu_irq_exit+0x1a2/0x390 [ 1132.191393] ? mark_held_locks+0x130/0x130 [ 1132.195628] ? mark_held_locks+0x130/0x130 [ 1132.199867] ? mark_held_locks+0xc7/0x130 [ 1132.204014] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1132.209023] ? zap_class+0x640/0x640 [ 1132.212735] ? print_usage_bug+0xc0/0xc0 [ 1132.216797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.222335] ? check_preemption_disabled+0x48/0x280 [ 1132.227359] ? __lock_is_held+0xb5/0x140 [ 1132.231422] __alloc_pages_nodemask+0xa80/0xde0 [ 1132.236086] ? zap_class+0x640/0x640 [ 1132.239800] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1132.244824] ? find_held_lock+0x36/0x1c0 [ 1132.248898] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1132.253564] ? lock_downgrade+0x900/0x900 [ 1132.257721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.263256] cache_grow_begin+0xa5/0x8c0 [ 1132.267310] ? do_raw_spin_unlock+0xa7/0x330 [ 1132.271723] fallback_alloc+0x204/0x2e0 [ 1132.275705] ____cache_alloc_node+0x1c7/0x1e0 [ 1132.280202] kmem_cache_alloc_node+0xe3/0x730 [ 1132.284691] ? ipv6_get_ifaddr+0x42e/0x620 [ 1132.288938] __alloc_skb+0x119/0x770 [ 1132.292647] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1132.297923] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1132.302327] ? lock_downgrade+0x900/0x900 [ 1132.306475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.312012] ? refcount_sub_and_test_checked+0x203/0x310 [ 1132.317460] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1132.322905] ? addrconf_rs_timer+0x690/0x690 [ 1132.327319] ndisc_alloc_skb+0x144/0x340 [ 1132.331382] ndisc_send_rs+0x331/0x6e0 [ 1132.335273] addrconf_rs_timer+0x314/0x690 [ 1132.339511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1132.343748] call_timer_fn+0x272/0x920 [ 1132.347630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1132.351861] ? process_timeout+0x40/0x40 [ 1132.355928] ? __run_timers+0x7da/0xc70 [ 1132.359898] ? _raw_spin_unlock_irq+0x27/0x80 [ 1132.364385] ? _raw_spin_unlock_irq+0x27/0x80 [ 1132.368873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1132.373103] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1132.377682] ? trace_hardirqs_on+0xbd/0x310 [ 1132.382005] ? kasan_check_read+0x11/0x20 [ 1132.386146] ? __run_timers+0x7da/0xc70 [ 1132.390120] ? trace_hardirqs_off_caller+0x310/0x310 [ 1132.395223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1132.399458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1132.403685] __run_timers+0x7e5/0xc70 [ 1132.407493] ? timer_fixup_init+0x70/0x70 [ 1132.411637] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1132.416652] ? zap_class+0x640/0x640 [ 1132.420368] ? enqueue_hrtimer+0x1a5/0x560 [ 1132.424598] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1132.429788] ? find_held_lock+0x36/0x1c0 [ 1132.433855] ? zap_class+0x640/0x640 [ 1132.437570] ? pvclock_read_flags+0x160/0x160 [ 1132.442063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.447596] ? check_preemption_disabled+0x48/0x280 [ 1132.452621] ? __lock_is_held+0xb5/0x140 [ 1132.456676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.462215] ? check_preemption_disabled+0x48/0x280 [ 1132.467234] run_timer_softirq+0x52/0xb0 [ 1132.471292] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1132.476303] __do_softirq+0x308/0xb7e [ 1132.480106] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1132.484597] ? lock_downgrade+0x900/0x900 [ 1132.488742] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1132.493850] ? pvclock_read_flags+0x160/0x160 [ 1132.498346] ? lapic_next_event+0x5a/0x90 [ 1132.502495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.508031] ? kvm_clock_read+0x18/0x30 [ 1132.511998] ? kvm_sched_clock_read+0x9/0x20 [ 1132.516412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.521943] ? check_preemption_disabled+0x48/0x280 [ 1132.526968] irq_exit+0x17f/0x1c0 [ 1132.530417] smp_apic_timer_interrupt+0x1cb/0x760 [ 1132.535254] ? smp_reschedule_interrupt+0x109/0x650 [ 1132.540270] ? smp_call_function_single_interrupt+0x650/0x650 [ 1132.546149] ? interrupt_entry+0xb5/0xc0 [ 1132.550206] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1132.555218] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1132.560231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1132.565070] ? trace_hardirqs_on_caller+0x310/0x310 [ 1132.570094] ? trace_hardirqs_on_caller+0x310/0x310 [ 1132.575108] ? task_prio+0x50/0x50 [ 1132.578643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.584177] ? check_preemption_disabled+0x48/0x280 [ 1132.589192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1132.594038] apic_timer_interrupt+0xf/0x20 [ 1132.598260] [ 1132.600496] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1132.605424] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1132.624403] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1132.632103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1132.639364] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1132.646624] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1132.653885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1132.661147] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1132.668450] skb_clone+0x1bb/0x500 [ 1132.671985] ? finish_task_switch+0x2f4/0x910 [ 1132.676475] ? skb_split+0x11e0/0x11e0 [ 1132.680366] ? preempt_notifier_register+0x200/0x200 [ 1132.685465] ? __switch_to_asm+0x34/0x70 [ 1132.689517] ? __switch_to_asm+0x34/0x70 [ 1132.693573] ? __switch_to_asm+0x40/0x70 [ 1132.697633] ? __switch_to_asm+0x34/0x70 [ 1132.701692] ? __switch_to_asm+0x40/0x70 [ 1132.705747] ? __switch_to_asm+0x34/0x70 [ 1132.709806] ? __switch_to_asm+0x40/0x70 [ 1132.713863] ? __switch_to_asm+0x34/0x70 [ 1132.717916] ? __switch_to_asm+0x34/0x70 [ 1132.721968] ? __switch_to_asm+0x40/0x70 [ 1132.726020] ? __switch_to_asm+0x34/0x70 [ 1132.730079] bpf_clone_redirect+0xb9/0x490 [ 1132.734310] ? __schedule+0x8d7/0x21d0 [ 1132.738202] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1132.743215] ? __sched_text_start+0x8/0x8 [ 1132.747373] ? find_held_lock+0x36/0x1c0 [ 1132.751439] ? lock_acquire+0x1ed/0x520 [ 1132.755406] ? bpf_test_run+0x3cb/0x780 [ 1132.759376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1132.764914] ? check_preemption_disabled+0x48/0x280 [ 1132.769929] ? kasan_check_read+0x11/0x20 [ 1132.774070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1132.779340] ? rcu_softirq_qs+0x20/0x20 [ 1132.783310] ? preempt_schedule+0x4d/0x60 [ 1132.787477] ? ___preempt_schedule+0x16/0x18 [ 1132.791887] ? bpf_test_run+0x25d/0x780 [ 1132.795876] ? netlink_diag_dump+0x2a0/0x2a0 [ 1132.800284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1132.805826] ? bpf_test_init.isra.10+0x70/0x100 [ 1132.810496] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1132.815260] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1132.820097] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1132.825629] ? fput+0x130/0x1a0 [ 1132.828906] ? __bpf_prog_get+0x9b/0x290 [ 1132.832964] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1132.837803] ? bpf_prog_test_run+0x130/0x1a0 [ 1132.842210] ? __x64_sys_bpf+0x3d8/0x520 [ 1132.846264] ? bpf_prog_get+0x20/0x20 [ 1132.850080] ? do_syscall_64+0x1b9/0x820 [ 1132.854219] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1132.859582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1132.864509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1132.869348] ? trace_hardirqs_on_caller+0x310/0x310 [ 1132.874360] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1132.879372] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1132.884387] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1132.889229] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1132.894606] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1132.894669] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1132.901609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1132.901614] Call Trace: [ 1132.901620] [ 1132.901638] dump_stack+0x244/0x39d [ 1132.901657] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1132.908581] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1132.917839] warn_alloc.cold.116+0xb7/0x1bd [ 1132.920374] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1132.922515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1132.955974] ? lock_downgrade+0x900/0x900 [ 1132.960124] ? trace_hardirqs_off+0xb8/0x310 [ 1132.964539] ? trace_hardirqs_off+0xb8/0x310 [ 1132.968949] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1132.973826] ? warn_alloc+0x120/0x120 [ 1132.977623] ? print_usage_bug+0xc0/0xc0 [ 1132.981682] ? warn_alloc+0x120/0x120 [ 1132.985485] ? warn_alloc+0x120/0x120 [ 1132.989291] ? print_usage_bug+0xc0/0xc0 [ 1132.993351] ? print_usage_bug+0xc0/0xc0 [ 1132.997411] ? __lock_acquire+0x62f/0x4c20 [ 1133.001646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1133.007176] ? should_fail+0x22d/0xd01 [ 1133.011062] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1133.016162] ? __lock_acquire+0x62f/0x4c20 [ 1133.020395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1133.025490] ? __lock_acquire+0x62f/0x4c20 [ 1133.029721] ? should_fail+0x22d/0xd01 [ 1133.033608] ? find_held_lock+0x36/0x1c0 [ 1133.037672] ? mark_held_locks+0x130/0x130 [ 1133.041905] ? mark_held_locks+0x130/0x130 [ 1133.046132] ? zap_class+0x640/0x640 [ 1133.049846] ? zap_class+0x640/0x640 [ 1133.053556] ? print_usage_bug+0xc0/0xc0 [ 1133.057610] ? do_raw_spin_unlock+0xa7/0x330 [ 1133.062016] ? zap_class+0x640/0x640 [ 1133.065726] ? print_usage_bug+0xc0/0xc0 [ 1133.069788] ? wq_watchdog_touch+0x9c/0xfe [ 1133.074024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.079562] ? check_preemption_disabled+0x48/0x280 [ 1133.084586] ? __lock_is_held+0xb5/0x140 [ 1133.088649] __alloc_pages_nodemask+0xa80/0xde0 [ 1133.093314] ? zap_class+0x640/0x640 [ 1133.097030] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1133.102057] ? find_held_lock+0x36/0x1c0 [ 1133.106122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1133.110796] ? lock_downgrade+0x900/0x900 [ 1133.114946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.120485] cache_grow_begin+0xa5/0x8c0 [ 1133.124540] ? do_raw_spin_unlock+0xa7/0x330 [ 1133.128956] fallback_alloc+0x204/0x2e0 [ 1133.132933] ____cache_alloc_node+0x1c7/0x1e0 [ 1133.137432] kmem_cache_alloc_node+0xe3/0x730 [ 1133.141925] ? ipv6_get_ifaddr+0x42e/0x620 [ 1133.146169] __alloc_skb+0x119/0x770 [ 1133.149879] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1133.155156] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1133.159567] ? lock_downgrade+0x900/0x900 [ 1133.163715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.169246] ? refcount_sub_and_test_checked+0x203/0x310 [ 1133.174698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1133.180150] ? addrconf_rs_timer+0x690/0x690 [ 1133.184563] ndisc_alloc_skb+0x144/0x340 [ 1133.188625] ndisc_send_rs+0x331/0x6e0 [ 1133.192512] addrconf_rs_timer+0x314/0x690 [ 1133.196749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1133.200995] call_timer_fn+0x272/0x920 [ 1133.204879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1133.209138] ? process_timeout+0x40/0x40 [ 1133.213201] ? mark_held_locks+0xc7/0x130 [ 1133.217345] ? _raw_spin_unlock_irq+0x27/0x80 [ 1133.221835] ? _raw_spin_unlock_irq+0x27/0x80 [ 1133.226325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1133.230559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1133.235141] ? trace_hardirqs_on+0xbd/0x310 [ 1133.239457] ? kasan_check_read+0x11/0x20 [ 1133.243601] ? __run_timers+0x7da/0xc70 [ 1133.247570] ? trace_hardirqs_off_caller+0x310/0x310 [ 1133.252684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1133.256918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1133.261150] __run_timers+0x7e5/0xc70 [ 1133.264953] ? timer_fixup_init+0x70/0x70 [ 1133.269111] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1133.274129] ? zap_class+0x640/0x640 [ 1133.277846] ? print_usage_bug+0xc0/0xc0 [ 1133.281906] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1133.287096] ? find_held_lock+0x36/0x1c0 [ 1133.291158] ? zap_class+0x640/0x640 [ 1133.294871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.300404] ? check_preemption_disabled+0x48/0x280 [ 1133.305424] ? __lock_is_held+0xb5/0x140 [ 1133.309480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.315012] ? check_preemption_disabled+0x48/0x280 [ 1133.320028] run_timer_softirq+0x52/0xb0 [ 1133.324089] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1133.329107] __do_softirq+0x308/0xb7e [ 1133.332909] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1133.337396] ? lock_downgrade+0x900/0x900 [ 1133.341539] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1133.346648] ? pvclock_read_flags+0x160/0x160 [ 1133.351145] ? lapic_next_event+0x5a/0x90 [ 1133.355291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.360827] ? kvm_clock_read+0x18/0x30 [ 1133.364794] ? kvm_sched_clock_read+0x9/0x20 [ 1133.369199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.374734] ? check_preemption_disabled+0x48/0x280 [ 1133.379766] irq_exit+0x17f/0x1c0 [ 1133.383223] smp_apic_timer_interrupt+0x1cb/0x760 [ 1133.388057] ? smp_reschedule_interrupt+0x109/0x650 [ 1133.393081] ? smp_call_function_single_interrupt+0x650/0x650 [ 1133.398968] ? interrupt_entry+0xb5/0xc0 [ 1133.403025] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1133.408035] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1133.413054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1133.417891] ? trace_hardirqs_on_caller+0x310/0x310 [ 1133.422900] ? trace_hardirqs_on_caller+0x310/0x310 [ 1133.427913] ? task_prio+0x50/0x50 [ 1133.431625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.437155] ? check_preemption_disabled+0x48/0x280 [ 1133.442176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1133.447021] apic_timer_interrupt+0xf/0x20 [ 1133.451242] [ 1133.453474] RIP: 0010:console_unlock+0x102f/0x1190 [ 1133.458400] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1133.477296] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1133.484997] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1133.492343] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1133.499607] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1133.506868] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1133.514131] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1133.521405] ? netconsole_netdev_event+0x280/0x280 [ 1133.526335] ? console_unlock+0x1026/0x1190 [ 1133.530669] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1133.535333] ? vprintk_emit+0x846/0x990 [ 1133.539307] ? lock_release+0xa00/0xa00 [ 1133.543275] ? trace_hardirqs_on+0x70/0x310 [ 1133.547593] ? vprintk_default+0x28/0x30 [ 1133.551648] ? trace_hardirqs_off_caller+0x310/0x310 [ 1133.556754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.562292] vprintk_emit+0x391/0x990 [ 1133.566098] ? wake_up_klogd+0x180/0x180 [ 1133.570160] ? find_held_lock+0x11/0x1c0 [ 1133.574229] ? mark_held_locks+0xc7/0x130 [ 1133.578373] ? _raw_spin_unlock_irq+0x27/0x80 [ 1133.582862] ? _raw_spin_unlock_irq+0x27/0x80 [ 1133.587357] vprintk_default+0x28/0x30 [ 1133.591243] vprintk_func+0x7e/0x181 [ 1133.594952] printk+0xa7/0xcf [ 1133.598053] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1133.602807] ? _raw_spin_unlock_irq+0x60/0x80 [ 1133.607310] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1133.612587] dump_header+0x7cc/0xf72 [ 1133.616307] ? pagefault_out_of_memory+0x197/0x197 [ 1133.621246] ? __lock_acquire+0x62f/0x4c20 [ 1133.625483] ? print_usage_bug+0xc0/0xc0 [ 1133.629548] ? zap_class+0x640/0x640 [ 1133.633267] ? print_usage_bug+0xc0/0xc0 [ 1133.637326] ? print_usage_bug+0xc0/0xc0 [ 1133.641382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.647176] ? find_held_lock+0x36/0x1c0 [ 1133.651242] ? mark_held_locks+0xc7/0x130 [ 1133.655388] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1133.660486] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1133.665583] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1133.670165] ? trace_hardirqs_on+0xbd/0x310 [ 1133.674479] ? kasan_check_read+0x11/0x20 [ 1133.678625] ? ___ratelimit+0x3b4/0x672 [ 1133.682595] ? trace_hardirqs_off_caller+0x310/0x310 [ 1133.687693] ? trace_hardirqs_on+0x310/0x310 [ 1133.692105] ? lock_downgrade+0x900/0x900 [ 1133.696253] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1133.701353] ? ___ratelimit+0x3b9/0x672 [ 1133.705326] ? idr_get_free+0xf70/0xf70 [ 1133.709293] ? find_held_lock+0x36/0x1c0 [ 1133.713360] oom_kill_process.cold.27+0x10/0x903 [ 1133.718117] ? zap_class+0x640/0x640 [ 1133.721825] ? check_preemption_disabled+0x48/0x280 [ 1133.726838] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1133.731764] ? kasan_check_read+0x11/0x20 [ 1133.735911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1133.741182] ? oom_evaluate_task+0x540/0x540 [ 1133.745587] ? find_held_lock+0x36/0x1c0 [ 1133.749654] ? out_of_memory+0x974/0x1430 [ 1133.753796] ? lock_downgrade+0x900/0x900 [ 1133.757937] ? check_preemption_disabled+0x48/0x280 [ 1133.762951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1133.767873] ? kasan_check_read+0x11/0x20 [ 1133.772014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1133.777283] ? rcu_softirq_qs+0x20/0x20 [ 1133.781256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1133.787307] ? oom_evaluate_task+0x302/0x540 [ 1133.791725] out_of_memory+0xa84/0x1430 [ 1133.795701] ? oom_killer_disable+0x3a0/0x3a0 [ 1133.800197] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1133.805126] ? __ww_mutex_check_waiters+0x160/0x160 [ 1133.810147] __alloc_pages_slowpath+0x2354/0x2e10 [ 1133.815011] ? warn_alloc+0x120/0x120 [ 1133.818812] ? mark_held_locks+0x130/0x130 [ 1133.823049] ? find_get_entry+0xaae/0x1120 [ 1133.827291] ? filemap_map_pages+0x1a20/0x1a20 [ 1133.831874] ? zap_class+0x640/0x640 [ 1133.835587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1133.841123] ? check_preemption_disabled+0x48/0x280 [ 1133.846137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1133.851671] ? should_fail+0x22d/0xd01 [ 1133.855557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1133.860659] ? zap_class+0x640/0x640 [ 1133.864391] ? __lock_is_held+0xb5/0x140 [ 1133.868457] ? mark_held_locks+0x130/0x130 [ 1133.872692] ? lock_release+0xa00/0xa00 [ 1133.876671] ? perf_trace_sched_process_exec+0x860/0x860 [ 1133.882117] ? xa_load+0x2ba/0x460 [ 1133.885655] ? lock_downgrade+0x900/0x900 [ 1133.889809] ? __might_sleep+0x95/0x190 [ 1133.893782] __alloc_pages_nodemask+0xa80/0xde0 [ 1133.898451] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1133.903461] ? __page_cache_alloc+0x191/0x5c0 [ 1133.907949] ? xa_load+0x2e1/0x460 [ 1133.911486] ? xa_clear_mark+0x40/0x40 [ 1133.915368] ? zap_class+0x640/0x640 [ 1133.919101] ? zap_class+0x640/0x640 [ 1133.922812] ? zap_class+0x640/0x640 [ 1133.926528] ? __do_page_cache_readahead+0x663/0x810 [ 1133.931633] ? find_held_lock+0x36/0x1c0 [ 1133.935693] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1133.941236] alloc_pages_current+0x173/0x350 [ 1133.945648] __page_cache_alloc+0x38c/0x5c0 [ 1133.949962] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1133.954887] ? kasan_check_read+0x11/0x20 [ 1133.959032] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1133.964305] ? generic_perform_write+0x6a0/0x6a0 [ 1133.969058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1133.974599] ? check_preemption_disabled+0x48/0x280 [ 1133.979615] filemap_fault+0x1595/0x25f0 [ 1133.983683] ? __lock_page_or_retry+0xa00/0xa00 [ 1133.988354] ? mark_held_locks+0x130/0x130 [ 1133.992591] ? filemap_map_pages+0xd6b/0x1a20 [ 1133.997087] ? lock_downgrade+0x900/0x900 [ 1134.001233] ? check_preemption_disabled+0x48/0x280 [ 1134.006246] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1134.011172] ? kasan_check_read+0x11/0x20 [ 1134.015317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1134.020615] ? rcu_softirq_qs+0x20/0x20 [ 1134.024596] ? filemap_map_pages+0xd92/0x1a20 [ 1134.029103] ? find_get_entries_tag+0x1400/0x1400 [ 1134.033937] ? find_held_lock+0x36/0x1c0 [ 1134.038010] ? lock_acquire+0x1ed/0x520 [ 1134.041976] ? ext4_filemap_fault+0x7a/0xad [ 1134.046297] ? lock_release+0xa00/0xa00 [ 1134.050262] ? perf_trace_sched_process_exec+0x860/0x860 [ 1134.055713] ? print_usage_bug+0xc0/0xc0 [ 1134.059781] ? down_read+0x8d/0x120 [ 1134.063400] ? ext4_filemap_fault+0x7a/0xad [ 1134.067720] ? __down_interruptible+0x700/0x700 [ 1134.072831] ? find_held_lock+0x36/0x1c0 [ 1134.076899] ext4_filemap_fault+0x82/0xad [ 1134.081047] __do_fault+0x100/0x6b0 [ 1134.084675] ? lock_downgrade+0x900/0x900 [ 1134.088825] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1134.093929] ? kasan_check_read+0x11/0x20 [ 1134.098072] ? do_raw_spin_unlock+0xa7/0x330 [ 1134.102472] ? do_raw_spin_trylock+0x270/0x270 [ 1134.107069] __handle_mm_fault+0x3ea0/0x5be0 [ 1134.111472] ? perf_trace_lock+0x7a0/0x7a0 [ 1134.115713] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1134.120562] ? ksys_dup3+0x680/0x680 [ 1134.124285] ? zap_class+0x640/0x640 [ 1134.127992] ? zap_class+0x640/0x640 [ 1134.131703] ? __x64_sys_futex+0x53e/0x6a0 [ 1134.135936] ? find_held_lock+0x36/0x1c0 [ 1134.140004] ? handle_mm_fault+0x42a/0xc70 [ 1134.144235] ? lock_downgrade+0x900/0x900 [ 1134.148378] ? check_preemption_disabled+0x48/0x280 [ 1134.153392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1134.158317] ? kasan_check_read+0x11/0x20 [ 1134.162460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1134.167733] ? rcu_softirq_qs+0x20/0x20 [ 1134.171706] ? trace_hardirqs_off_caller+0x310/0x310 [ 1134.176891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1134.182421] ? check_preemption_disabled+0x48/0x280 [ 1134.187439] handle_mm_fault+0x54f/0xc70 [ 1134.191498] ? __handle_mm_fault+0x5be0/0x5be0 [ 1134.196078] ? find_vma+0x34/0x190 [ 1134.199622] __do_page_fault+0x5e8/0xe60 [ 1134.203685] ? trace_hardirqs_off+0xb8/0x310 [ 1134.208088] ? kernel_write+0x120/0x120 [ 1134.212071] do_page_fault+0xf2/0x7e0 [ 1134.215866] ? vmalloc_sync_all+0x30/0x30 [ 1134.220009] ? error_entry+0x70/0xd0 [ 1134.223717] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1134.228732] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1134.233658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1134.238591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1134.243429] ? trace_hardirqs_on_caller+0x310/0x310 [ 1134.248441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1134.253894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1134.258906] ? page_fault+0x8/0x30 [ 1134.262443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1134.267281] ? page_fault+0x8/0x30 [ 1134.270831] page_fault+0x1e/0x30 [ 1134.274277] RIP: 0033:0x404068 [ 1134.277473] Code: Bad RIP value. [ 1134.280832] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1134.286187] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1134.293448] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1134.300709] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1134.307973] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1134.315236] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1134.322521] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1134.322526] warn_alloc_show_mem: 1 callbacks suppressed [ 1134.322532] Mem-Info: [ 1134.329801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1134.335165] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1134.335165] active_file:12 inactive_file:9 isolated_file:0 [ 1134.335165] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1134.335165] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1134.335165] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1134.335165] free:13627 free_pcp:121 free_cma:0 [ 1134.337537] Call Trace: [ 1134.346904] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1134.379744] [ 1134.382311] 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 [ 1134.409973] dump_stack+0x244/0x39d [ 1134.412090] lowmem_reserve[]: 0 2818 6321 6321 [ 1134.438191] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1134.441789] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1134.446369] warn_alloc.cold.116+0xb7/0x1bd [ 1134.451514] lowmem_reserve[]: 0 0 3503 3503 [ 1134.478834] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1134.483125] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1134.487440] ? lock_downgrade+0x900/0x900 [ 1134.492249] lowmem_reserve[]: 0 0 0 0 [ 1134.520953] ? trace_hardirqs_off+0xb8/0x310 [ 1134.525066] 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 [ 1134.528860] ? trace_hardirqs_off+0xb8/0x310 [ 1134.533234] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1134.546751] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1134.551133] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1134.566754] ? warn_alloc+0x120/0x120 [ 1134.571549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1134.584965] ? print_usage_bug+0xc0/0xc0 [ 1134.588743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1134.597557] ? warn_alloc+0x120/0x120 [ 1134.601590] 4359 total pagecache pages [ 1134.610152] ? warn_alloc+0x120/0x120 [ 1134.613932] 0 pages in swap cache [ 1134.617799] ? print_usage_bug+0xc0/0xc0 [ 1134.621571] Swap cache stats: add 0, delete 0, find 0/0 [ 1134.625008] ? kvm_clock_read+0x18/0x30 [ 1134.629041] Free swap = 0kB [ 1134.634391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1134.638336] Total swap = 0kB [ 1134.641342] ? print_usage_bug+0xc0/0xc0 [ 1134.646328] 1965979 pages RAM [ 1134.649332] ? __lock_acquire+0x62f/0x4c20 [ 1134.653360] 0 pages HighMem/MovableOnly [ 1134.653367] 342854 pages reserved [ 1134.656460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1134.660668] 0 pages cma reserved [ 1134.664627] ? should_fail+0x22d/0xd01 [ 1134.668105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1134.673570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1134.673589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1134.677001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1134.680801] ? __lock_acquire+0x62f/0x4c20 [ 1134.687261] syz-fuzzer cpuset=/ mems_allowed=0 [ 1134.692534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1134.721681] ? __lock_acquire+0x62f/0x4c20 [ 1134.726001] ? should_fail+0x22d/0xd01 [ 1134.729881] ? rcu_irq_exit+0x1a2/0x390 [ 1134.733866] ? mark_held_locks+0x130/0x130 [ 1134.738103] ? mark_held_locks+0x130/0x130 [ 1134.742341] ? mark_held_locks+0xc7/0x130 [ 1134.746483] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1134.751494] ? zap_class+0x640/0x640 [ 1134.755205] ? print_usage_bug+0xc0/0xc0 [ 1134.759265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1134.764816] ? check_preemption_disabled+0x48/0x280 [ 1134.769838] ? __lock_is_held+0xb5/0x140 [ 1134.773901] __alloc_pages_nodemask+0xa80/0xde0 [ 1134.778571] ? zap_class+0x640/0x640 [ 1134.782288] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1134.787311] ? find_held_lock+0x36/0x1c0 [ 1134.791388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1134.796060] ? lock_downgrade+0x900/0x900 [ 1134.800210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1134.805747] cache_grow_begin+0xa5/0x8c0 [ 1134.809802] ? do_raw_spin_unlock+0xa7/0x330 [ 1134.814213] fallback_alloc+0x204/0x2e0 [ 1134.818189] ____cache_alloc_node+0x1c7/0x1e0 [ 1134.822689] kmem_cache_alloc_node+0xe3/0x730 [ 1134.827180] ? ipv6_get_ifaddr+0x42e/0x620 [ 1134.831421] __alloc_skb+0x119/0x770 [ 1134.835132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1134.840426] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1134.844829] ? lock_downgrade+0x900/0x900 [ 1134.848979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1134.854515] ? refcount_sub_and_test_checked+0x203/0x310 [ 1134.859965] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1134.865423] ? addrconf_rs_timer+0x690/0x690 [ 1134.869840] ndisc_alloc_skb+0x144/0x340 [ 1134.873900] ndisc_send_rs+0x331/0x6e0 [ 1134.877799] addrconf_rs_timer+0x314/0x690 [ 1134.882042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1134.886283] call_timer_fn+0x272/0x920 [ 1134.890166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1134.894396] ? process_timeout+0x40/0x40 [ 1134.898459] ? __run_timers+0x7da/0xc70 [ 1134.902434] ? _raw_spin_unlock_irq+0x27/0x80 [ 1134.907220] ? _raw_spin_unlock_irq+0x27/0x80 [ 1134.911720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1134.915978] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1134.920559] ? trace_hardirqs_on+0xbd/0x310 [ 1134.924877] ? kasan_check_read+0x11/0x20 [ 1134.929018] ? __run_timers+0x7da/0xc70 [ 1134.932988] ? trace_hardirqs_off_caller+0x310/0x310 [ 1134.938092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1134.942328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1134.946554] __run_timers+0x7e5/0xc70 [ 1134.950361] ? timer_fixup_init+0x70/0x70 [ 1134.954510] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1134.959523] ? zap_class+0x640/0x640 [ 1134.963249] ? enqueue_hrtimer+0x1a5/0x560 [ 1134.967480] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1134.972678] ? find_held_lock+0x36/0x1c0 [ 1134.976739] ? zap_class+0x640/0x640 [ 1134.980455] ? pvclock_read_flags+0x160/0x160 [ 1134.984951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1134.990490] ? check_preemption_disabled+0x48/0x280 [ 1134.995517] ? __lock_is_held+0xb5/0x140 [ 1134.999578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.005113] ? check_preemption_disabled+0x48/0x280 [ 1135.010132] run_timer_softirq+0x52/0xb0 [ 1135.014194] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1135.019204] __do_softirq+0x308/0xb7e [ 1135.023006] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1135.027498] ? lock_downgrade+0x900/0x900 [ 1135.031653] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1135.036776] ? pvclock_read_flags+0x160/0x160 [ 1135.041272] ? lapic_next_event+0x5a/0x90 [ 1135.045420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.050962] ? kvm_clock_read+0x18/0x30 [ 1135.054933] ? kvm_sched_clock_read+0x9/0x20 [ 1135.059341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.064874] ? check_preemption_disabled+0x48/0x280 [ 1135.069896] irq_exit+0x17f/0x1c0 [ 1135.073347] smp_apic_timer_interrupt+0x1cb/0x760 [ 1135.078187] ? smp_reschedule_interrupt+0x109/0x650 [ 1135.083200] ? smp_call_function_single_interrupt+0x650/0x650 [ 1135.089079] ? interrupt_entry+0xb5/0xc0 [ 1135.093141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1135.098151] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1135.103165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.108005] ? trace_hardirqs_on_caller+0x310/0x310 [ 1135.113016] ? trace_hardirqs_on_caller+0x310/0x310 [ 1135.118033] ? task_prio+0x50/0x50 [ 1135.121577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.127126] ? check_preemption_disabled+0x48/0x280 [ 1135.132142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.136989] apic_timer_interrupt+0xf/0x20 [ 1135.141230] [ 1135.143467] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1135.148399] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1135.167295] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1135.175001] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1135.182263] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1135.189525] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1135.196788] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1135.204052] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1135.211443] skb_clone+0x1bb/0x500 [ 1135.214986] ? finish_task_switch+0x2f4/0x910 [ 1135.219485] ? skb_split+0x11e0/0x11e0 [ 1135.223382] ? preempt_notifier_register+0x200/0x200 [ 1135.228487] ? __switch_to_asm+0x34/0x70 [ 1135.232545] ? __switch_to_asm+0x34/0x70 [ 1135.236610] ? __switch_to_asm+0x40/0x70 [ 1135.240663] ? __switch_to_asm+0x34/0x70 [ 1135.244714] ? __switch_to_asm+0x40/0x70 [ 1135.248785] ? __switch_to_asm+0x34/0x70 [ 1135.252844] ? __switch_to_asm+0x40/0x70 [ 1135.256899] ? __switch_to_asm+0x34/0x70 [ 1135.260955] ? __switch_to_asm+0x34/0x70 [ 1135.265011] ? __switch_to_asm+0x40/0x70 [ 1135.269065] ? __switch_to_asm+0x34/0x70 [ 1135.273125] bpf_clone_redirect+0xb9/0x490 [ 1135.277359] ? __schedule+0x8d7/0x21d0 [ 1135.281250] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1135.286273] ? __sched_text_start+0x8/0x8 [ 1135.290427] ? find_held_lock+0x36/0x1c0 [ 1135.294497] ? lock_acquire+0x1ed/0x520 [ 1135.298475] ? bpf_test_run+0x3cb/0x780 [ 1135.302449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.307993] ? check_preemption_disabled+0x48/0x280 [ 1135.313012] ? kasan_check_read+0x11/0x20 [ 1135.317158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1135.322429] ? rcu_softirq_qs+0x20/0x20 [ 1135.326417] ? preempt_schedule+0x4d/0x60 [ 1135.330565] ? ___preempt_schedule+0x16/0x18 [ 1135.334981] ? bpf_test_run+0x25d/0x780 [ 1135.338964] ? netlink_diag_dump+0x2a0/0x2a0 [ 1135.343373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1135.348909] ? bpf_test_init.isra.10+0x70/0x100 [ 1135.353577] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1135.358347] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1135.363183] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1135.368716] ? fput+0x130/0x1a0 [ 1135.371992] ? __bpf_prog_get+0x9b/0x290 [ 1135.376053] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1135.380904] ? bpf_prog_test_run+0x130/0x1a0 [ 1135.385314] ? __x64_sys_bpf+0x3d8/0x520 [ 1135.389371] ? bpf_prog_get+0x20/0x20 [ 1135.393189] ? do_syscall_64+0x1b9/0x820 [ 1135.397249] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1135.402623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1135.407547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.412387] ? trace_hardirqs_on_caller+0x310/0x310 [ 1135.417402] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1135.422420] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1135.427442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.432290] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1135.437669] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1135.437730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1135.444683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1135.451232] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1135.460492] Call Trace: [ 1135.470959] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1135.473524] [ 1135.480758] dump_stack+0x244/0x39d [ 1135.484386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1135.489595] warn_alloc.cold.116+0xb7/0x1bd [ 1135.493914] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1135.498758] ? lock_downgrade+0x900/0x900 [ 1135.502910] ? trace_hardirqs_off+0xb8/0x310 [ 1135.507320] ? trace_hardirqs_off+0xb8/0x310 [ 1135.511732] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1135.516606] ? warn_alloc+0x120/0x120 [ 1135.520404] ? print_usage_bug+0xc0/0xc0 [ 1135.524464] ? warn_alloc+0x120/0x120 [ 1135.528264] ? warn_alloc+0x120/0x120 [ 1135.532063] ? print_usage_bug+0xc0/0xc0 [ 1135.536125] ? kvm_clock_read+0x18/0x30 [ 1135.540099] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1135.545111] ? print_usage_bug+0xc0/0xc0 [ 1135.549168] ? __lock_acquire+0x62f/0x4c20 [ 1135.553404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1135.558934] ? should_fail+0x22d/0xd01 [ 1135.562820] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1135.568100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1135.573203] ? __lock_acquire+0x62f/0x4c20 [ 1135.577438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1135.582535] ? __lock_acquire+0x62f/0x4c20 [ 1135.586766] ? should_fail+0x22d/0xd01 [ 1135.590648] ? rcu_irq_exit+0x1a2/0x390 [ 1135.594628] ? mark_held_locks+0x130/0x130 [ 1135.598866] ? mark_held_locks+0x130/0x130 [ 1135.603100] ? mark_held_locks+0xc7/0x130 [ 1135.607244] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1135.612256] ? zap_class+0x640/0x640 [ 1135.615970] ? print_usage_bug+0xc0/0xc0 [ 1135.620034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.625575] ? check_preemption_disabled+0x48/0x280 [ 1135.630607] ? __lock_is_held+0xb5/0x140 [ 1135.634668] __alloc_pages_nodemask+0xa80/0xde0 [ 1135.639329] ? zap_class+0x640/0x640 [ 1135.643046] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1135.648092] ? find_held_lock+0x36/0x1c0 [ 1135.652160] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1135.656826] ? lock_downgrade+0x900/0x900 [ 1135.660987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.666524] cache_grow_begin+0xa5/0x8c0 [ 1135.670585] ? do_raw_spin_unlock+0xa7/0x330 [ 1135.674999] fallback_alloc+0x204/0x2e0 [ 1135.678976] ____cache_alloc_node+0x1c7/0x1e0 [ 1135.683474] kmem_cache_alloc_node+0xe3/0x730 [ 1135.687967] ? ipv6_get_ifaddr+0x42e/0x620 [ 1135.692212] __alloc_skb+0x119/0x770 [ 1135.695918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1135.701197] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1135.705630] ? lock_downgrade+0x900/0x900 [ 1135.709780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.715313] ? refcount_sub_and_test_checked+0x203/0x310 [ 1135.720770] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1135.726215] ? addrconf_rs_timer+0x690/0x690 [ 1135.730635] ndisc_alloc_skb+0x144/0x340 [ 1135.734697] ndisc_send_rs+0x331/0x6e0 [ 1135.738592] addrconf_rs_timer+0x314/0x690 [ 1135.742828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1135.747070] call_timer_fn+0x272/0x920 [ 1135.750953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1135.755184] ? process_timeout+0x40/0x40 [ 1135.759250] ? mark_held_locks+0xc7/0x130 [ 1135.763394] ? _raw_spin_unlock_irq+0x27/0x80 [ 1135.767883] ? _raw_spin_unlock_irq+0x27/0x80 [ 1135.772375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1135.776610] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1135.781188] ? trace_hardirqs_on+0xbd/0x310 [ 1135.785503] ? kasan_check_read+0x11/0x20 [ 1135.789649] ? __run_timers+0x7da/0xc70 [ 1135.793619] ? trace_hardirqs_off_caller+0x310/0x310 [ 1135.798723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1135.802959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1135.807192] __run_timers+0x7e5/0xc70 [ 1135.811001] ? timer_fixup_init+0x70/0x70 [ 1135.815152] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1135.820169] ? zap_class+0x640/0x640 [ 1135.823886] ? print_usage_bug+0xc0/0xc0 [ 1135.827948] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1135.833138] ? find_held_lock+0x36/0x1c0 [ 1135.837202] ? zap_class+0x640/0x640 [ 1135.840922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.846456] ? check_preemption_disabled+0x48/0x280 [ 1135.851475] ? __lock_is_held+0xb5/0x140 [ 1135.855647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.861180] ? check_preemption_disabled+0x48/0x280 [ 1135.866202] run_timer_softirq+0x52/0xb0 [ 1135.870261] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1135.875275] __do_softirq+0x308/0xb7e [ 1135.879075] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1135.883575] ? lock_downgrade+0x900/0x900 [ 1135.887728] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1135.892835] ? pvclock_read_flags+0x160/0x160 [ 1135.897328] ? lapic_next_event+0x5a/0x90 [ 1135.901478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.907017] ? kvm_clock_read+0x18/0x30 [ 1135.910987] ? kvm_sched_clock_read+0x9/0x20 [ 1135.915392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.920926] ? check_preemption_disabled+0x48/0x280 [ 1135.925947] irq_exit+0x17f/0x1c0 [ 1135.929400] smp_apic_timer_interrupt+0x1cb/0x760 [ 1135.934237] ? smp_reschedule_interrupt+0x109/0x650 [ 1135.939249] ? smp_call_function_single_interrupt+0x650/0x650 [ 1135.945134] ? interrupt_entry+0xb5/0xc0 [ 1135.949191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1135.954200] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1135.959212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.964055] ? trace_hardirqs_on_caller+0x310/0x310 [ 1135.969065] ? trace_hardirqs_on_caller+0x310/0x310 [ 1135.974074] ? task_prio+0x50/0x50 [ 1135.977615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1135.983154] ? check_preemption_disabled+0x48/0x280 [ 1135.988170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1135.993017] apic_timer_interrupt+0xf/0x20 [ 1135.997245] [ 1135.999477] RIP: 0010:console_unlock+0x102f/0x1190 [ 1136.004402] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1136.023312] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1136.031014] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1136.038279] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1136.045552] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1136.052819] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1136.060095] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1136.067367] ? netconsole_netdev_event+0x280/0x280 [ 1136.072685] ? console_unlock+0x1026/0x1190 [ 1136.077030] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1136.081694] ? vprintk_emit+0x846/0x990 [ 1136.085668] ? lock_release+0xa00/0xa00 [ 1136.089643] ? trace_hardirqs_on+0x70/0x310 [ 1136.093959] ? vprintk_default+0x28/0x30 [ 1136.098019] ? trace_hardirqs_off_caller+0x310/0x310 [ 1136.103120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1136.108658] vprintk_emit+0x391/0x990 [ 1136.112461] ? wake_up_klogd+0x180/0x180 [ 1136.116525] ? find_held_lock+0x11/0x1c0 [ 1136.120596] ? mark_held_locks+0xc7/0x130 [ 1136.124746] ? _raw_spin_unlock_irq+0x27/0x80 [ 1136.129234] ? _raw_spin_unlock_irq+0x27/0x80 [ 1136.133731] vprintk_default+0x28/0x30 [ 1136.137613] vprintk_func+0x7e/0x181 [ 1136.141324] printk+0xa7/0xcf [ 1136.144426] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1136.149179] ? _raw_spin_unlock_irq+0x60/0x80 [ 1136.153682] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1136.158962] dump_header+0x7cc/0xf72 [ 1136.162681] ? pagefault_out_of_memory+0x197/0x197 [ 1136.167618] ? __lock_acquire+0x62f/0x4c20 [ 1136.171852] ? print_usage_bug+0xc0/0xc0 [ 1136.175919] ? zap_class+0x640/0x640 [ 1136.179635] ? print_usage_bug+0xc0/0xc0 [ 1136.183693] ? print_usage_bug+0xc0/0xc0 [ 1136.187751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1136.193375] ? find_held_lock+0x36/0x1c0 [ 1136.197445] ? mark_held_locks+0xc7/0x130 [ 1136.201588] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1136.206686] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1136.211784] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1136.216364] ? trace_hardirqs_on+0xbd/0x310 [ 1136.220684] ? kasan_check_read+0x11/0x20 [ 1136.224831] ? ___ratelimit+0x3b4/0x672 [ 1136.228820] ? trace_hardirqs_off_caller+0x310/0x310 [ 1136.233921] ? trace_hardirqs_on+0x310/0x310 [ 1136.238330] ? lock_downgrade+0x900/0x900 [ 1136.242481] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1136.247579] ? ___ratelimit+0x3b9/0x672 [ 1136.251553] ? idr_get_free+0xf70/0xf70 [ 1136.255528] ? find_held_lock+0x36/0x1c0 [ 1136.259597] oom_kill_process.cold.27+0x10/0x903 [ 1136.264349] ? zap_class+0x640/0x640 [ 1136.268061] ? check_preemption_disabled+0x48/0x280 [ 1136.273076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1136.277998] ? kasan_check_read+0x11/0x20 [ 1136.282140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1136.287416] ? oom_evaluate_task+0x540/0x540 [ 1136.291825] ? find_held_lock+0x36/0x1c0 [ 1136.295893] ? out_of_memory+0x974/0x1430 [ 1136.300036] ? lock_downgrade+0x900/0x900 [ 1136.304179] ? check_preemption_disabled+0x48/0x280 [ 1136.309193] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1136.314115] ? kasan_check_read+0x11/0x20 [ 1136.318256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1136.323531] ? rcu_softirq_qs+0x20/0x20 [ 1136.327517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1136.333048] ? oom_evaluate_task+0x302/0x540 [ 1136.337456] out_of_memory+0xa84/0x1430 [ 1136.341449] ? oom_killer_disable+0x3a0/0x3a0 [ 1136.345942] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1136.350871] ? __ww_mutex_check_waiters+0x160/0x160 [ 1136.355902] __alloc_pages_slowpath+0x2354/0x2e10 [ 1136.360769] ? warn_alloc+0x120/0x120 [ 1136.364567] ? mark_held_locks+0x130/0x130 [ 1136.368803] ? find_get_entry+0xaae/0x1120 [ 1136.373045] ? filemap_map_pages+0x1a20/0x1a20 [ 1136.377629] ? zap_class+0x640/0x640 [ 1136.381345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1136.386897] ? check_preemption_disabled+0x48/0x280 [ 1136.391909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1136.397440] ? should_fail+0x22d/0xd01 [ 1136.401348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1136.406447] ? zap_class+0x640/0x640 [ 1136.410189] ? __lock_is_held+0xb5/0x140 [ 1136.414280] ? mark_held_locks+0x130/0x130 [ 1136.418527] ? lock_release+0xa00/0xa00 [ 1136.422508] ? perf_trace_sched_process_exec+0x860/0x860 [ 1136.427957] ? xa_load+0x2ba/0x460 [ 1136.431494] ? lock_downgrade+0x900/0x900 [ 1136.435676] ? __might_sleep+0x95/0x190 [ 1136.439650] __alloc_pages_nodemask+0xa80/0xde0 [ 1136.444325] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1136.449336] ? __page_cache_alloc+0x191/0x5c0 [ 1136.453827] ? xa_load+0x2e1/0x460 [ 1136.457365] ? xa_clear_mark+0x40/0x40 [ 1136.461252] ? zap_class+0x640/0x640 [ 1136.464971] ? zap_class+0x640/0x640 [ 1136.468680] ? zap_class+0x640/0x640 [ 1136.472395] ? __do_page_cache_readahead+0x663/0x810 [ 1136.477510] ? find_held_lock+0x36/0x1c0 [ 1136.481577] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1136.487118] alloc_pages_current+0x173/0x350 [ 1136.491534] __page_cache_alloc+0x38c/0x5c0 [ 1136.495853] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1136.500779] ? kasan_check_read+0x11/0x20 [ 1136.504926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1136.510202] ? generic_perform_write+0x6a0/0x6a0 [ 1136.514958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1136.520493] ? check_preemption_disabled+0x48/0x280 [ 1136.525527] filemap_fault+0x1595/0x25f0 [ 1136.529596] ? __lock_page_or_retry+0xa00/0xa00 [ 1136.534266] ? mark_held_locks+0x130/0x130 [ 1136.538513] ? filemap_map_pages+0xd6b/0x1a20 [ 1136.543007] ? lock_downgrade+0x900/0x900 [ 1136.547151] ? check_preemption_disabled+0x48/0x280 [ 1136.552167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1136.557088] ? kasan_check_read+0x11/0x20 [ 1136.561230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1136.566508] ? rcu_softirq_qs+0x20/0x20 [ 1136.570500] ? filemap_map_pages+0xd92/0x1a20 [ 1136.575006] ? find_get_entries_tag+0x1400/0x1400 [ 1136.579843] ? find_held_lock+0x36/0x1c0 [ 1136.583922] ? lock_acquire+0x1ed/0x520 [ 1136.587895] ? ext4_filemap_fault+0x7a/0xad [ 1136.592218] ? lock_release+0xa00/0xa00 [ 1136.596186] ? perf_trace_sched_process_exec+0x860/0x860 [ 1136.601632] ? print_usage_bug+0xc0/0xc0 [ 1136.605704] ? down_read+0x8d/0x120 [ 1136.609328] ? ext4_filemap_fault+0x7a/0xad [ 1136.613647] ? __down_interruptible+0x700/0x700 [ 1136.618313] ? find_held_lock+0x36/0x1c0 [ 1136.622374] ext4_filemap_fault+0x82/0xad [ 1136.626524] __do_fault+0x100/0x6b0 [ 1136.630147] ? lock_downgrade+0x900/0x900 [ 1136.634290] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1136.639396] ? kasan_check_read+0x11/0x20 [ 1136.643553] ? do_raw_spin_unlock+0xa7/0x330 [ 1136.647960] ? do_raw_spin_trylock+0x270/0x270 [ 1136.652551] __handle_mm_fault+0x3ea0/0x5be0 [ 1136.656955] ? perf_trace_lock+0x7a0/0x7a0 [ 1136.661192] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1136.666042] ? ksys_dup3+0x680/0x680 [ 1136.669768] ? zap_class+0x640/0x640 [ 1136.673477] ? zap_class+0x640/0x640 [ 1136.677193] ? __x64_sys_futex+0x53e/0x6a0 [ 1136.681431] ? find_held_lock+0x36/0x1c0 [ 1136.685505] ? handle_mm_fault+0x42a/0xc70 [ 1136.689740] ? lock_downgrade+0x900/0x900 [ 1136.693883] ? check_preemption_disabled+0x48/0x280 [ 1136.698902] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1136.703826] ? kasan_check_read+0x11/0x20 [ 1136.707975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1136.713246] ? rcu_softirq_qs+0x20/0x20 [ 1136.717217] ? trace_hardirqs_off_caller+0x310/0x310 [ 1136.722317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1136.727855] ? check_preemption_disabled+0x48/0x280 [ 1136.732876] handle_mm_fault+0x54f/0xc70 [ 1136.736941] ? __handle_mm_fault+0x5be0/0x5be0 [ 1136.741527] ? find_vma+0x34/0x190 [ 1136.745071] __do_page_fault+0x5e8/0xe60 [ 1136.749125] ? trace_hardirqs_off+0xb8/0x310 [ 1136.753528] ? kernel_write+0x120/0x120 [ 1136.757511] do_page_fault+0xf2/0x7e0 [ 1136.761310] ? vmalloc_sync_all+0x30/0x30 [ 1136.765474] ? error_entry+0x70/0xd0 [ 1136.769204] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1136.774217] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1136.779145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1136.784069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1136.788912] ? trace_hardirqs_on_caller+0x310/0x310 [ 1136.793925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1136.799379] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1136.804390] ? page_fault+0x8/0x30 [ 1136.807929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1136.812770] ? page_fault+0x8/0x30 [ 1136.816305] page_fault+0x1e/0x30 [ 1136.819752] RIP: 0033:0x404068 [ 1136.822955] Code: Bad RIP value. [ 1136.826321] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1136.831695] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1136.838961] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1136.846229] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1136.853497] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1136.860778] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1136.868066] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1136.868070] warn_alloc_show_mem: 1 callbacks suppressed [ 1136.868076] Mem-Info: [ 1136.875347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1136.880710] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1136.880710] active_file:12 inactive_file:9 isolated_file:0 [ 1136.880710] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1136.880710] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1136.880710] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1136.880710] free:13627 free_pcp:121 free_cma:0 [ 1136.883081] Call Trace: [ 1136.892541] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1136.925708] [ 1136.928277] 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 [ 1136.956039] dump_stack+0x244/0x39d [ 1136.958152] lowmem_reserve[]: 0 2818 6321 6321 [ 1136.984263] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1136.987860] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1136.992445] warn_alloc.cold.116+0xb7/0x1bd [ 1136.997594] lowmem_reserve[]: 0 0 3503 3503 [ 1137.024906] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1137.029200] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1137.033516] ? lock_downgrade+0x900/0x900 [ 1137.038330] lowmem_reserve[]: 0 0 0 0 [ 1137.067035] ? trace_hardirqs_off+0xb8/0x310 [ 1137.071150] 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 [ 1137.074944] ? trace_hardirqs_off+0xb8/0x310 [ 1137.079315] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1137.092848] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1137.097221] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1137.112844] ? warn_alloc+0x120/0x120 [ 1137.117660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1137.131080] ? print_usage_bug+0xc0/0xc0 [ 1137.134858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1137.143674] ? warn_alloc+0x120/0x120 [ 1137.147709] 4359 total pagecache pages [ 1137.156273] ? warn_alloc+0x120/0x120 [ 1137.160139] 0 pages in swap cache [ 1137.164009] ? print_usage_bug+0xc0/0xc0 [ 1137.167784] Swap cache stats: add 0, delete 0, find 0/0 [ 1137.171221] ? kvm_clock_read+0x18/0x30 [ 1137.175253] Free swap = 0kB [ 1137.180604] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1137.184548] Total swap = 0kB [ 1137.187556] ? print_usage_bug+0xc0/0xc0 [ 1137.192546] 1965979 pages RAM [ 1137.195553] ? __lock_acquire+0x62f/0x4c20 [ 1137.199579] 0 pages HighMem/MovableOnly [ 1137.199587] 342854 pages reserved [ 1137.202682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1137.206907] 0 pages cma reserved [ 1137.210867] ? should_fail+0x22d/0xd01 [ 1137.214348] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1137.219818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1137.219836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1137.219852] ? __lock_acquire+0x62f/0x4c20 [ 1137.223349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1137.227072] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1137.233534] syz-fuzzer cpuset=/ mems_allowed=0 [ 1137.238800] ? __lock_acquire+0x62f/0x4c20 [ 1137.272200] ? should_fail+0x22d/0xd01 [ 1137.276081] ? rcu_irq_exit+0x1a2/0x390 [ 1137.280063] ? mark_held_locks+0x130/0x130 [ 1137.284298] ? mark_held_locks+0x130/0x130 [ 1137.288538] ? mark_held_locks+0xc7/0x130 [ 1137.292684] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1137.297699] ? zap_class+0x640/0x640 [ 1137.301411] ? print_usage_bug+0xc0/0xc0 [ 1137.305480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.311016] ? check_preemption_disabled+0x48/0x280 [ 1137.316038] ? __lock_is_held+0xb5/0x140 [ 1137.320101] __alloc_pages_nodemask+0xa80/0xde0 [ 1137.324763] ? zap_class+0x640/0x640 [ 1137.328482] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1137.333504] ? find_held_lock+0x36/0x1c0 [ 1137.337574] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1137.342238] ? lock_downgrade+0x900/0x900 [ 1137.346391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.351931] cache_grow_begin+0xa5/0x8c0 [ 1137.355985] ? do_raw_spin_unlock+0xa7/0x330 [ 1137.360397] fallback_alloc+0x204/0x2e0 [ 1137.364379] ____cache_alloc_node+0x1c7/0x1e0 [ 1137.368880] kmem_cache_alloc_node+0xe3/0x730 [ 1137.373374] ? ipv6_get_ifaddr+0x42e/0x620 [ 1137.377618] __alloc_skb+0x119/0x770 [ 1137.381324] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1137.386600] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1137.391005] ? lock_downgrade+0x900/0x900 [ 1137.395156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.400689] ? refcount_sub_and_test_checked+0x203/0x310 [ 1137.406143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1137.411587] ? addrconf_rs_timer+0x690/0x690 [ 1137.416003] ndisc_alloc_skb+0x144/0x340 [ 1137.420068] ndisc_send_rs+0x331/0x6e0 [ 1137.423960] addrconf_rs_timer+0x314/0x690 [ 1137.428195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1137.432445] call_timer_fn+0x272/0x920 [ 1137.436329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1137.440560] ? process_timeout+0x40/0x40 [ 1137.444623] ? __run_timers+0x7da/0xc70 [ 1137.448597] ? _raw_spin_unlock_irq+0x27/0x80 [ 1137.453084] ? _raw_spin_unlock_irq+0x27/0x80 [ 1137.457575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1137.461803] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1137.466387] ? trace_hardirqs_on+0xbd/0x310 [ 1137.470705] ? kasan_check_read+0x11/0x20 [ 1137.474850] ? __run_timers+0x7da/0xc70 [ 1137.478824] ? trace_hardirqs_off_caller+0x310/0x310 [ 1137.483932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1137.488168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1137.492396] __run_timers+0x7e5/0xc70 [ 1137.496209] ? timer_fixup_init+0x70/0x70 [ 1137.500358] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1137.505370] ? zap_class+0x640/0x640 [ 1137.509084] ? enqueue_hrtimer+0x1a5/0x560 [ 1137.513316] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1137.518512] ? find_held_lock+0x36/0x1c0 [ 1137.522574] ? zap_class+0x640/0x640 [ 1137.526293] ? pvclock_read_flags+0x160/0x160 [ 1137.530787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.536322] ? check_preemption_disabled+0x48/0x280 [ 1137.541347] ? __lock_is_held+0xb5/0x140 [ 1137.545406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.550956] ? check_preemption_disabled+0x48/0x280 [ 1137.555975] run_timer_softirq+0x52/0xb0 [ 1137.560034] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1137.565044] __do_softirq+0x308/0xb7e [ 1137.568844] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1137.573335] ? lock_downgrade+0x900/0x900 [ 1137.577482] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1137.582591] ? pvclock_read_flags+0x160/0x160 [ 1137.587082] ? lapic_next_event+0x5a/0x90 [ 1137.591227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.596766] ? kvm_clock_read+0x18/0x30 [ 1137.600735] ? kvm_sched_clock_read+0x9/0x20 [ 1137.605139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.610672] ? check_preemption_disabled+0x48/0x280 [ 1137.615698] irq_exit+0x17f/0x1c0 [ 1137.619147] smp_apic_timer_interrupt+0x1cb/0x760 [ 1137.623988] ? smp_reschedule_interrupt+0x109/0x650 [ 1137.629001] ? smp_call_function_single_interrupt+0x650/0x650 [ 1137.634898] ? interrupt_entry+0xb5/0xc0 [ 1137.638957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1137.643987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1137.649000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1137.653838] ? trace_hardirqs_on_caller+0x310/0x310 [ 1137.658847] ? trace_hardirqs_on_caller+0x310/0x310 [ 1137.663860] ? task_prio+0x50/0x50 [ 1137.667397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.672940] ? check_preemption_disabled+0x48/0x280 [ 1137.677958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1137.682803] apic_timer_interrupt+0xf/0x20 [ 1137.687027] [ 1137.689261] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1137.694189] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1137.713082] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1137.720784] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1137.728047] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1137.735311] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1137.742576] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1137.749839] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1137.757157] skb_clone+0x1bb/0x500 [ 1137.760696] ? finish_task_switch+0x2f4/0x910 [ 1137.765191] ? skb_split+0x11e0/0x11e0 [ 1137.769077] ? preempt_notifier_register+0x200/0x200 [ 1137.774176] ? __switch_to_asm+0x34/0x70 [ 1137.778231] ? __switch_to_asm+0x34/0x70 [ 1137.782292] ? __switch_to_asm+0x40/0x70 [ 1137.786347] ? __switch_to_asm+0x34/0x70 [ 1137.790406] ? __switch_to_asm+0x40/0x70 [ 1137.794468] ? __switch_to_asm+0x34/0x70 [ 1137.798524] ? __switch_to_asm+0x40/0x70 [ 1137.802577] ? __switch_to_asm+0x34/0x70 [ 1137.806635] ? __switch_to_asm+0x34/0x70 [ 1137.810694] ? __switch_to_asm+0x40/0x70 [ 1137.814747] ? __switch_to_asm+0x34/0x70 [ 1137.818810] bpf_clone_redirect+0xb9/0x490 [ 1137.823042] ? __schedule+0x8d7/0x21d0 [ 1137.826935] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1137.831951] ? __sched_text_start+0x8/0x8 [ 1137.836113] ? find_held_lock+0x36/0x1c0 [ 1137.840177] ? lock_acquire+0x1ed/0x520 [ 1137.844152] ? bpf_test_run+0x3cb/0x780 [ 1137.848122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1137.853659] ? check_preemption_disabled+0x48/0x280 [ 1137.858676] ? kasan_check_read+0x11/0x20 [ 1137.862821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1137.868093] ? rcu_softirq_qs+0x20/0x20 [ 1137.872067] ? preempt_schedule+0x4d/0x60 [ 1137.876212] ? ___preempt_schedule+0x16/0x18 [ 1137.880624] ? bpf_test_run+0x25d/0x780 [ 1137.884606] ? netlink_diag_dump+0x2a0/0x2a0 [ 1137.889012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1137.894543] ? bpf_test_init.isra.10+0x70/0x100 [ 1137.899218] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1137.903979] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1137.908815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1137.914348] ? fput+0x130/0x1a0 [ 1137.917625] ? __bpf_prog_get+0x9b/0x290 [ 1137.921689] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1137.926551] ? bpf_prog_test_run+0x130/0x1a0 [ 1137.930962] ? __x64_sys_bpf+0x3d8/0x520 [ 1137.935020] ? bpf_prog_get+0x20/0x20 [ 1137.938837] ? do_syscall_64+0x1b9/0x820 [ 1137.942891] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1137.948257] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1137.953185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1137.958033] ? trace_hardirqs_on_caller+0x310/0x310 [ 1137.963048] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1137.968063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1137.973085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1137.977933] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1137.983313] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1137.983375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1137.990323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1137.990328] Call Trace: [ 1137.990333] [ 1137.990352] dump_stack+0x244/0x39d [ 1137.990371] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1137.996915] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1138.006199] warn_alloc.cold.116+0xb7/0x1bd [ 1138.008752] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1138.010891] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1138.044358] ? lock_downgrade+0x900/0x900 [ 1138.048519] ? trace_hardirqs_off+0xb8/0x310 [ 1138.052934] ? trace_hardirqs_off+0xb8/0x310 [ 1138.057347] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1138.062222] ? warn_alloc+0x120/0x120 [ 1138.066024] ? warn_alloc+0x120/0x120 [ 1138.069826] ? warn_alloc+0x120/0x120 [ 1138.074115] ? print_usage_bug+0xc0/0xc0 [ 1138.078182] ? print_usage_bug+0xc0/0xc0 [ 1138.082242] ? print_usage_bug+0xc0/0xc0 [ 1138.086298] ? print_usage_bug+0xc0/0xc0 [ 1138.090359] ? print_usage_bug+0xc0/0xc0 [ 1138.094426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1138.099959] ? should_fail+0x22d/0xd01 [ 1138.103843] ? print_usage_bug+0xc0/0xc0 [ 1138.107904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1138.113007] ? __lock_acquire+0x62f/0x4c20 [ 1138.117241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1138.122337] ? should_fail+0x22d/0xd01 [ 1138.126229] ? zap_class+0x640/0x640 [ 1138.129946] ? mark_held_locks+0x130/0x130 [ 1138.134182] ? mark_held_locks+0x130/0x130 [ 1138.138422] ? zap_class+0x640/0x640 [ 1138.142134] ? mark_held_locks+0x130/0x130 [ 1138.146363] ? try_to_wake_up+0x11c/0x1490 [ 1138.150609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.156142] ? check_preemption_disabled+0x48/0x280 [ 1138.161166] ? __lock_is_held+0xb5/0x140 [ 1138.165229] __alloc_pages_nodemask+0xa80/0xde0 [ 1138.169895] ? zap_class+0x640/0x640 [ 1138.173608] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1138.178647] ? find_held_lock+0x36/0x1c0 [ 1138.182713] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1138.187392] ? lock_downgrade+0x900/0x900 [ 1138.191544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.197082] cache_grow_begin+0xa5/0x8c0 [ 1138.201140] ? do_raw_spin_unlock+0xa7/0x330 [ 1138.205553] fallback_alloc+0x204/0x2e0 [ 1138.209528] ____cache_alloc_node+0x1c7/0x1e0 [ 1138.214024] kmem_cache_alloc_node+0xe3/0x730 [ 1138.218521] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1138.223106] __alloc_skb+0x119/0x770 [ 1138.226813] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1138.232179] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1138.236584] ? lock_acquire+0x1ed/0x520 [ 1138.240553] ? aoecmd_cfg+0x108/0x7f0 [ 1138.244350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.249896] ? check_preemption_disabled+0x48/0x280 [ 1138.254912] ? kasan_check_read+0x11/0x20 [ 1138.259056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1138.264330] ? rcu_softirq_qs+0x20/0x20 [ 1138.268314] new_skb+0x26/0x1c0 [ 1138.271590] aoecmd_cfg+0x279/0x7f0 [ 1138.275213] ? find_held_lock+0x36/0x1c0 [ 1138.279271] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1138.283593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.289128] ? check_preemption_disabled+0x48/0x280 [ 1138.294170] ? __lock_is_held+0xb5/0x140 [ 1138.298238] discover_timer+0x50/0x60 [ 1138.302040] call_timer_fn+0x272/0x920 [ 1138.305927] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1138.310769] ? process_timeout+0x40/0x40 [ 1138.314838] ? mark_held_locks+0xc7/0x130 [ 1138.318988] ? _raw_spin_unlock_irq+0x27/0x80 [ 1138.323479] ? _raw_spin_unlock_irq+0x27/0x80 [ 1138.327970] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1138.332809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1138.337389] ? trace_hardirqs_on+0xbd/0x310 [ 1138.341705] ? kasan_check_read+0x11/0x20 [ 1138.345852] ? __run_timers+0x7da/0xc70 [ 1138.349822] ? trace_hardirqs_off_caller+0x310/0x310 [ 1138.354932] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1138.359767] __run_timers+0x7e5/0xc70 [ 1138.363572] ? timer_fixup_init+0x70/0x70 [ 1138.367734] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1138.372748] ? zap_class+0x640/0x640 [ 1138.376463] ? print_usage_bug+0xc0/0xc0 [ 1138.380526] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1138.385724] ? find_held_lock+0x36/0x1c0 [ 1138.389790] ? zap_class+0x640/0x640 [ 1138.393503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.399037] ? check_preemption_disabled+0x48/0x280 [ 1138.404060] ? __lock_is_held+0xb5/0x140 [ 1138.408224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.413757] ? check_preemption_disabled+0x48/0x280 [ 1138.418791] run_timer_softirq+0x52/0xb0 [ 1138.422847] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1138.427858] __do_softirq+0x308/0xb7e [ 1138.431658] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1138.436147] ? lock_downgrade+0x900/0x900 [ 1138.440293] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1138.445401] ? pvclock_read_flags+0x160/0x160 [ 1138.449898] ? lapic_next_event+0x5a/0x90 [ 1138.454055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.459591] ? kvm_clock_read+0x18/0x30 [ 1138.463557] ? kvm_sched_clock_read+0x9/0x20 [ 1138.467968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.473500] ? check_preemption_disabled+0x48/0x280 [ 1138.478522] irq_exit+0x17f/0x1c0 [ 1138.481972] smp_apic_timer_interrupt+0x1cb/0x760 [ 1138.486814] ? smp_reschedule_interrupt+0x109/0x650 [ 1138.491828] ? smp_call_function_single_interrupt+0x650/0x650 [ 1138.497711] ? interrupt_entry+0xb5/0xc0 [ 1138.501772] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1138.506783] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1138.511795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.516646] ? trace_hardirqs_on_caller+0x310/0x310 [ 1138.521657] ? trace_hardirqs_on_caller+0x310/0x310 [ 1138.526669] ? task_prio+0x50/0x50 [ 1138.530206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.535743] ? check_preemption_disabled+0x48/0x280 [ 1138.540763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1138.545696] apic_timer_interrupt+0xf/0x20 [ 1138.549924] [ 1138.552158] RIP: 0010:console_unlock+0x102f/0x1190 [ 1138.557084] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1138.576002] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1138.583707] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1138.590971] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1138.598231] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1138.605493] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1138.612757] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1138.620026] ? netconsole_netdev_event+0x280/0x280 [ 1138.624961] ? console_unlock+0x1026/0x1190 [ 1138.629302] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1138.633969] ? vprintk_emit+0x846/0x990 [ 1138.637940] ? lock_release+0xa00/0xa00 [ 1138.641913] ? trace_hardirqs_on+0x70/0x310 [ 1138.646228] ? vprintk_default+0x28/0x30 [ 1138.650287] ? trace_hardirqs_off_caller+0x310/0x310 [ 1138.655390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.660929] vprintk_emit+0x391/0x990 [ 1138.664739] ? wake_up_klogd+0x180/0x180 [ 1138.668801] ? find_held_lock+0x11/0x1c0 [ 1138.672865] ? mark_held_locks+0xc7/0x130 [ 1138.677010] ? _raw_spin_unlock_irq+0x27/0x80 [ 1138.681504] ? _raw_spin_unlock_irq+0x27/0x80 [ 1138.686000] vprintk_default+0x28/0x30 [ 1138.689882] vprintk_func+0x7e/0x181 [ 1138.693597] printk+0xa7/0xcf [ 1138.696703] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1138.701455] ? _raw_spin_unlock_irq+0x60/0x80 [ 1138.705956] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1138.711252] dump_header+0x7cc/0xf72 [ 1138.714971] ? pagefault_out_of_memory+0x197/0x197 [ 1138.719905] ? __lock_acquire+0x62f/0x4c20 [ 1138.724140] ? print_usage_bug+0xc0/0xc0 [ 1138.728201] ? zap_class+0x640/0x640 [ 1138.731915] ? print_usage_bug+0xc0/0xc0 [ 1138.735977] ? print_usage_bug+0xc0/0xc0 [ 1138.740038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.745573] ? find_held_lock+0x36/0x1c0 [ 1138.749643] ? mark_held_locks+0xc7/0x130 [ 1138.753790] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1138.758887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1138.763989] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1138.768573] ? trace_hardirqs_on+0xbd/0x310 [ 1138.772891] ? kasan_check_read+0x11/0x20 [ 1138.777033] ? ___ratelimit+0x3b4/0x672 [ 1138.781006] ? trace_hardirqs_off_caller+0x310/0x310 [ 1138.786106] ? trace_hardirqs_on+0x310/0x310 [ 1138.790511] ? lock_downgrade+0x900/0x900 [ 1138.794659] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1138.799760] ? ___ratelimit+0x3b9/0x672 [ 1138.803735] ? idr_get_free+0xf70/0xf70 [ 1138.807706] ? find_held_lock+0x36/0x1c0 [ 1138.811771] oom_kill_process.cold.27+0x10/0x903 [ 1138.816522] ? zap_class+0x640/0x640 [ 1138.820231] ? check_preemption_disabled+0x48/0x280 [ 1138.825244] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1138.830171] ? kasan_check_read+0x11/0x20 [ 1138.834319] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1138.839596] ? oom_evaluate_task+0x540/0x540 [ 1138.844004] ? find_held_lock+0x36/0x1c0 [ 1138.848067] ? out_of_memory+0x974/0x1430 [ 1138.852211] ? lock_downgrade+0x900/0x900 [ 1138.856354] ? check_preemption_disabled+0x48/0x280 [ 1138.861368] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1138.866299] ? kasan_check_read+0x11/0x20 [ 1138.870450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1138.875724] ? rcu_softirq_qs+0x20/0x20 [ 1138.879709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1138.885254] ? oom_evaluate_task+0x302/0x540 [ 1138.889662] out_of_memory+0xa84/0x1430 [ 1138.893648] ? oom_killer_disable+0x3a0/0x3a0 [ 1138.898147] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1138.903078] ? __ww_mutex_check_waiters+0x160/0x160 [ 1138.908641] __alloc_pages_slowpath+0x2354/0x2e10 [ 1138.913517] ? warn_alloc+0x120/0x120 [ 1138.917321] ? mark_held_locks+0x130/0x130 [ 1138.921556] ? find_get_entry+0xaae/0x1120 [ 1138.925800] ? filemap_map_pages+0x1a20/0x1a20 [ 1138.930384] ? zap_class+0x640/0x640 [ 1138.934101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.939635] ? check_preemption_disabled+0x48/0x280 [ 1138.944647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1138.950197] ? should_fail+0x22d/0xd01 [ 1138.954083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1138.959184] ? zap_class+0x640/0x640 [ 1138.962918] ? __lock_is_held+0xb5/0x140 [ 1138.966987] ? mark_held_locks+0x130/0x130 [ 1138.971219] ? lock_release+0xa00/0xa00 [ 1138.975191] ? perf_trace_sched_process_exec+0x860/0x860 [ 1138.980637] ? xa_load+0x2ba/0x460 [ 1138.984178] ? lock_downgrade+0x900/0x900 [ 1138.988335] ? __might_sleep+0x95/0x190 [ 1138.992320] __alloc_pages_nodemask+0xa80/0xde0 [ 1138.996992] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1139.002004] ? __page_cache_alloc+0x191/0x5c0 [ 1139.006494] ? xa_load+0x2e1/0x460 [ 1139.010037] ? xa_clear_mark+0x40/0x40 [ 1139.013924] ? zap_class+0x640/0x640 [ 1139.017643] ? zap_class+0x640/0x640 [ 1139.021357] ? zap_class+0x640/0x640 [ 1139.025068] ? __do_page_cache_readahead+0x663/0x810 [ 1139.030172] ? find_held_lock+0x36/0x1c0 [ 1139.034234] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1139.039773] alloc_pages_current+0x173/0x350 [ 1139.044197] __page_cache_alloc+0x38c/0x5c0 [ 1139.048512] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1139.053438] ? kasan_check_read+0x11/0x20 [ 1139.057583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1139.062857] ? generic_perform_write+0x6a0/0x6a0 [ 1139.067609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1139.073144] ? check_preemption_disabled+0x48/0x280 [ 1139.078163] filemap_fault+0x1595/0x25f0 [ 1139.082234] ? __lock_page_or_retry+0xa00/0xa00 [ 1139.086901] ? mark_held_locks+0x130/0x130 [ 1139.091145] ? filemap_map_pages+0xd6b/0x1a20 [ 1139.095640] ? lock_downgrade+0x900/0x900 [ 1139.099789] ? check_preemption_disabled+0x48/0x280 [ 1139.104808] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1139.109734] ? kasan_check_read+0x11/0x20 [ 1139.113877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1139.119153] ? rcu_softirq_qs+0x20/0x20 [ 1139.123139] ? filemap_map_pages+0xd92/0x1a20 [ 1139.127643] ? find_get_entries_tag+0x1400/0x1400 [ 1139.132484] ? find_held_lock+0x36/0x1c0 [ 1139.136583] ? lock_acquire+0x1ed/0x520 [ 1139.140551] ? ext4_filemap_fault+0x7a/0xad [ 1139.144876] ? lock_release+0xa00/0xa00 [ 1139.148845] ? perf_trace_sched_process_exec+0x860/0x860 [ 1139.154301] ? print_usage_bug+0xc0/0xc0 [ 1139.158377] ? down_read+0x8d/0x120 [ 1139.162186] ? ext4_filemap_fault+0x7a/0xad [ 1139.166506] ? __down_interruptible+0x700/0x700 [ 1139.171177] ? find_held_lock+0x36/0x1c0 [ 1139.175236] ext4_filemap_fault+0x82/0xad [ 1139.179398] __do_fault+0x100/0x6b0 [ 1139.183023] ? lock_downgrade+0x900/0x900 [ 1139.187171] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1139.192278] ? kasan_check_read+0x11/0x20 [ 1139.196444] ? do_raw_spin_unlock+0xa7/0x330 [ 1139.200849] ? do_raw_spin_trylock+0x270/0x270 [ 1139.205441] __handle_mm_fault+0x3ea0/0x5be0 [ 1139.209848] ? perf_trace_lock+0x7a0/0x7a0 [ 1139.214088] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1139.218935] ? ksys_dup3+0x680/0x680 [ 1139.222662] ? zap_class+0x640/0x640 [ 1139.226369] ? zap_class+0x640/0x640 [ 1139.230077] ? __x64_sys_futex+0x53e/0x6a0 [ 1139.234315] ? find_held_lock+0x36/0x1c0 [ 1139.238385] ? handle_mm_fault+0x42a/0xc70 [ 1139.242617] ? lock_downgrade+0x900/0x900 [ 1139.246766] ? check_preemption_disabled+0x48/0x280 [ 1139.251785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1139.256708] ? kasan_check_read+0x11/0x20 [ 1139.260850] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1139.266126] ? rcu_softirq_qs+0x20/0x20 [ 1139.270098] ? trace_hardirqs_off_caller+0x310/0x310 [ 1139.275198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1139.280730] ? check_preemption_disabled+0x48/0x280 [ 1139.285750] handle_mm_fault+0x54f/0xc70 [ 1139.289815] ? __handle_mm_fault+0x5be0/0x5be0 [ 1139.294397] ? find_vma+0x34/0x190 [ 1139.297938] __do_page_fault+0x5e8/0xe60 [ 1139.301993] ? trace_hardirqs_off+0xb8/0x310 [ 1139.306395] ? kernel_write+0x120/0x120 [ 1139.310376] do_page_fault+0xf2/0x7e0 [ 1139.314177] ? vmalloc_sync_all+0x30/0x30 [ 1139.318318] ? error_entry+0x70/0xd0 [ 1139.322032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1139.327051] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1139.331976] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1139.336901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1139.341741] ? trace_hardirqs_on_caller+0x310/0x310 [ 1139.346749] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1139.352198] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1139.357208] ? page_fault+0x8/0x30 [ 1139.360746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1139.365584] ? page_fault+0x8/0x30 [ 1139.369124] page_fault+0x1e/0x30 [ 1139.372572] RIP: 0033:0x404068 [ 1139.375778] Code: Bad RIP value. [ 1139.379136] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1139.384494] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1139.391760] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1139.399024] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1139.406295] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1139.413559] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1139.420842] warn_alloc_show_mem: 1 callbacks suppressed [ 1139.420852] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1139.420853] Mem-Info: [ 1139.420884] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1139.420884] active_file:12 inactive_file:9 isolated_file:0 [ 1139.420884] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1139.420884] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1139.420884] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1139.420884] free:13627 free_pcp:121 free_cma:0 [ 1139.426212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.426219] Call Trace: [ 1139.433506] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1139.435896] [ 1139.468754] 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 [ 1139.478105] dump_stack+0x244/0x39d [ 1139.480661] lowmem_reserve[]: 0 2818 6321 6321 [ 1139.508326] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1139.510448] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1139.536556] warn_alloc.cold.116+0xb7/0x1bd [ 1139.540144] lowmem_reserve[]: 0 0 3503 3503 [ 1139.544715] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1139.549877] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1139.577192] ? lock_downgrade+0x900/0x900 [ 1139.581487] lowmem_reserve[]: 0 0 0 0 [ 1139.585804] ? trace_hardirqs_off+0xb8/0x310 [ 1139.590620] 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 [ 1139.619325] ? trace_hardirqs_off+0xb8/0x310 [ 1139.623534] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1139.627346] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1139.631712] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1139.645257] ? warn_alloc+0x120/0x120 [ 1139.649617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1139.665200] ? print_usage_bug+0xc0/0xc0 [ 1139.670021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1139.683437] ? warn_alloc+0x120/0x120 [ 1139.687300] 4359 total pagecache pages [ 1139.696128] ? warn_alloc+0x120/0x120 [ 1139.700165] 0 pages in swap cache [ 1139.708719] ? print_usage_bug+0xc0/0xc0 [ 1139.712492] Swap cache stats: add 0, delete 0, find 0/0 [ 1139.716364] ? kvm_clock_read+0x18/0x30 [ 1139.720135] Free swap = 0kB [ 1139.723576] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1139.727612] Total swap = 0kB [ 1139.732961] ? print_usage_bug+0xc0/0xc0 [ 1139.736907] 1965979 pages RAM [ 1139.739914] ? __lock_acquire+0x62f/0x4c20 [ 1139.744896] 0 pages HighMem/MovableOnly [ 1139.744904] 342854 pages reserved [ 1139.747914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1139.751944] 0 pages cma reserved [ 1139.755039] ? should_fail+0x22d/0xd01 [ 1139.759321] aoe: skb alloc failure [ 1139.763207] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1139.763225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1139.766707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1139.772181] ? __lock_acquire+0x62f/0x4c20 [ 1139.775523] syz-fuzzer cpuset=/ mems_allowed=0 [ 1139.779402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1139.817343] ? __lock_acquire+0x62f/0x4c20 [ 1139.821571] ? should_fail+0x22d/0xd01 [ 1139.825455] ? rcu_irq_exit+0x1a2/0x390 [ 1139.829437] ? mark_held_locks+0x130/0x130 [ 1139.833673] ? mark_held_locks+0x130/0x130 [ 1139.837912] ? mark_held_locks+0xc7/0x130 [ 1139.842057] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1139.847067] ? zap_class+0x640/0x640 [ 1139.850785] ? print_usage_bug+0xc0/0xc0 [ 1139.854866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1139.860408] ? check_preemption_disabled+0x48/0x280 [ 1139.865431] ? __lock_is_held+0xb5/0x140 [ 1139.869494] __alloc_pages_nodemask+0xa80/0xde0 [ 1139.874161] ? zap_class+0x640/0x640 [ 1139.877874] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1139.882896] ? find_held_lock+0x36/0x1c0 [ 1139.886969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1139.891634] ? lock_downgrade+0x900/0x900 [ 1139.895787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1139.901324] cache_grow_begin+0xa5/0x8c0 [ 1139.905380] ? do_raw_spin_unlock+0xa7/0x330 [ 1139.909792] fallback_alloc+0x204/0x2e0 [ 1139.913767] ____cache_alloc_node+0x1c7/0x1e0 [ 1139.918365] kmem_cache_alloc_node+0xe3/0x730 [ 1139.922859] ? ipv6_get_ifaddr+0x42e/0x620 [ 1139.927103] __alloc_skb+0x119/0x770 [ 1139.930810] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1139.936085] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1139.940494] ? lock_downgrade+0x900/0x900 [ 1139.944645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1139.950180] ? refcount_sub_and_test_checked+0x203/0x310 [ 1139.955630] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1139.961084] ? addrconf_rs_timer+0x690/0x690 [ 1139.965505] ndisc_alloc_skb+0x144/0x340 [ 1139.969565] ndisc_send_rs+0x331/0x6e0 [ 1139.973458] addrconf_rs_timer+0x314/0x690 [ 1139.977695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1139.981940] call_timer_fn+0x272/0x920 [ 1139.985825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1139.990055] ? process_timeout+0x40/0x40 [ 1139.994122] ? __run_timers+0x7da/0xc70 [ 1139.998099] ? _raw_spin_unlock_irq+0x27/0x80 [ 1140.002590] ? _raw_spin_unlock_irq+0x27/0x80 [ 1140.007080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1140.011315] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1140.015892] ? trace_hardirqs_on+0xbd/0x310 [ 1140.020213] ? kasan_check_read+0x11/0x20 [ 1140.024366] ? __run_timers+0x7da/0xc70 [ 1140.028340] ? trace_hardirqs_off_caller+0x310/0x310 [ 1140.033444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1140.037683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1140.041915] __run_timers+0x7e5/0xc70 [ 1140.045721] ? timer_fixup_init+0x70/0x70 [ 1140.049866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1140.054877] ? zap_class+0x640/0x640 [ 1140.058592] ? enqueue_hrtimer+0x1a5/0x560 [ 1140.062842] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1140.068034] ? find_held_lock+0x36/0x1c0 [ 1140.072640] ? zap_class+0x640/0x640 [ 1140.076355] ? pvclock_read_flags+0x160/0x160 [ 1140.080850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.086386] ? check_preemption_disabled+0x48/0x280 [ 1140.091407] ? __lock_is_held+0xb5/0x140 [ 1140.095463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.100996] ? check_preemption_disabled+0x48/0x280 [ 1140.106013] run_timer_softirq+0x52/0xb0 [ 1140.110070] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1140.115092] __do_softirq+0x308/0xb7e [ 1140.118892] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1140.123380] ? lock_downgrade+0x900/0x900 [ 1140.127527] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1140.132634] ? pvclock_read_flags+0x160/0x160 [ 1140.137127] ? lapic_next_event+0x5a/0x90 [ 1140.141272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.146810] ? kvm_clock_read+0x18/0x30 [ 1140.150782] ? kvm_sched_clock_read+0x9/0x20 [ 1140.155186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.161119] ? check_preemption_disabled+0x48/0x280 [ 1140.166141] irq_exit+0x17f/0x1c0 [ 1140.169591] smp_apic_timer_interrupt+0x1cb/0x760 [ 1140.174431] ? smp_reschedule_interrupt+0x109/0x650 [ 1140.179443] ? smp_call_function_single_interrupt+0x650/0x650 [ 1140.185321] ? interrupt_entry+0xb5/0xc0 [ 1140.189379] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1140.194389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1140.199402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1140.204243] ? trace_hardirqs_on_caller+0x310/0x310 [ 1140.209265] ? trace_hardirqs_on_caller+0x310/0x310 [ 1140.214274] ? task_prio+0x50/0x50 [ 1140.217811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.223353] ? check_preemption_disabled+0x48/0x280 [ 1140.228370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1140.233227] apic_timer_interrupt+0xf/0x20 [ 1140.237454] [ 1140.239693] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1140.244619] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1140.263515] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1140.271224] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1140.278485] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1140.285751] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1140.293017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1140.300278] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1140.307589] skb_clone+0x1bb/0x500 [ 1140.311125] ? finish_task_switch+0x2f4/0x910 [ 1140.315617] ? skb_split+0x11e0/0x11e0 [ 1140.319505] ? preempt_notifier_register+0x200/0x200 [ 1140.324618] ? __switch_to_asm+0x34/0x70 [ 1140.328676] ? __switch_to_asm+0x34/0x70 [ 1140.332732] ? __switch_to_asm+0x40/0x70 [ 1140.336785] ? __switch_to_asm+0x34/0x70 [ 1140.340837] ? __switch_to_asm+0x40/0x70 [ 1140.344893] ? __switch_to_asm+0x34/0x70 [ 1140.348948] ? __switch_to_asm+0x40/0x70 [ 1140.353003] ? __switch_to_asm+0x34/0x70 [ 1140.357064] ? __switch_to_asm+0x34/0x70 [ 1140.361231] ? __switch_to_asm+0x40/0x70 [ 1140.365287] ? __switch_to_asm+0x34/0x70 [ 1140.369349] bpf_clone_redirect+0xb9/0x490 [ 1140.373581] ? __schedule+0x8d7/0x21d0 [ 1140.377471] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1140.382485] ? __sched_text_start+0x8/0x8 [ 1140.386644] ? find_held_lock+0x36/0x1c0 [ 1140.390716] ? lock_acquire+0x1ed/0x520 [ 1140.394687] ? bpf_test_run+0x3cb/0x780 [ 1140.398663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.404207] ? check_preemption_disabled+0x48/0x280 [ 1140.409230] ? kasan_check_read+0x11/0x20 [ 1140.413373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1140.418646] ? rcu_softirq_qs+0x20/0x20 [ 1140.422621] ? preempt_schedule+0x4d/0x60 [ 1140.426763] ? ___preempt_schedule+0x16/0x18 [ 1140.431182] ? bpf_test_run+0x25d/0x780 [ 1140.435173] ? netlink_diag_dump+0x2a0/0x2a0 [ 1140.439587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1140.445135] ? bpf_test_init.isra.10+0x70/0x100 [ 1140.449804] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1140.454564] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1140.459401] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1140.464935] ? fput+0x130/0x1a0 [ 1140.468213] ? __bpf_prog_get+0x9b/0x290 [ 1140.472272] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1140.477113] ? bpf_prog_test_run+0x130/0x1a0 [ 1140.481521] ? __x64_sys_bpf+0x3d8/0x520 [ 1140.485577] ? bpf_prog_get+0x20/0x20 [ 1140.489482] ? do_syscall_64+0x1b9/0x820 [ 1140.493540] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1140.498900] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1140.503823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1140.508664] ? trace_hardirqs_on_caller+0x310/0x310 [ 1140.513692] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1140.518704] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1140.523725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1140.528571] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1140.533949] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1140.534012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1140.540963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1140.540968] Call Trace: [ 1140.540974] [ 1140.540991] dump_stack+0x244/0x39d [ 1140.541010] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1140.547544] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1140.556830] warn_alloc.cold.116+0xb7/0x1bd [ 1140.559381] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1140.561520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1140.594998] ? lock_downgrade+0x900/0x900 [ 1140.599152] ? trace_hardirqs_off+0xb8/0x310 [ 1140.603572] ? trace_hardirqs_off+0xb8/0x310 [ 1140.608000] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1140.612870] ? warn_alloc+0x120/0x120 [ 1140.616687] ? warn_alloc+0x120/0x120 [ 1140.620486] ? warn_alloc+0x120/0x120 [ 1140.624284] ? print_usage_bug+0xc0/0xc0 [ 1140.628343] ? print_usage_bug+0xc0/0xc0 [ 1140.632402] ? ktime_get+0x2c1/0x400 [ 1140.636117] ? check_preemption_disabled+0x48/0x280 [ 1140.641128] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1140.645620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1140.651152] ? should_fail+0x22d/0xd01 [ 1140.655044] ? kasan_check_read+0x11/0x20 [ 1140.659197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1140.664302] ? __lock_acquire+0x62f/0x4c20 [ 1140.668544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1140.673646] ? should_fail+0x22d/0xd01 [ 1140.677537] ? print_usage_bug+0xc0/0xc0 [ 1140.681602] ? mark_held_locks+0x130/0x130 [ 1140.685836] ? mark_held_locks+0x130/0x130 [ 1140.690065] ? check_preemption_disabled+0x48/0x280 [ 1140.695092] ? zap_class+0x640/0x640 [ 1140.698805] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1140.703558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.709095] ? check_preemption_disabled+0x48/0x280 [ 1140.714118] ? __lock_is_held+0xb5/0x140 [ 1140.718187] __alloc_pages_nodemask+0xa80/0xde0 [ 1140.722852] ? zap_class+0x640/0x640 [ 1140.726566] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1140.731588] ? find_held_lock+0x36/0x1c0 [ 1140.735658] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1140.740322] ? lock_downgrade+0x900/0x900 [ 1140.744473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.750013] cache_grow_begin+0xa5/0x8c0 [ 1140.754069] ? do_raw_spin_unlock+0xa7/0x330 [ 1140.758481] fallback_alloc+0x204/0x2e0 [ 1140.762457] ____cache_alloc_node+0x1c7/0x1e0 [ 1140.766956] kmem_cache_alloc_node+0xe3/0x730 [ 1140.771450] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1140.776041] __alloc_skb+0x119/0x770 [ 1140.779750] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1140.785115] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1140.789534] ? vprintk_default+0x28/0x30 [ 1140.793591] ? vprintk_func+0x85/0x181 [ 1140.797474] ? printk+0xa7/0xcf [ 1140.800752] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1140.805516] new_skb+0x26/0x1c0 [ 1140.808799] aoecmd_cfg+0x279/0x7f0 [ 1140.812423] ? find_held_lock+0x36/0x1c0 [ 1140.816506] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1140.820831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.826378] ? __lock_is_held+0xb5/0x140 [ 1140.830445] discover_timer+0x50/0x60 [ 1140.834242] call_timer_fn+0x272/0x920 [ 1140.838123] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1140.842969] ? process_timeout+0x40/0x40 [ 1140.847034] ? mark_held_locks+0xc7/0x130 [ 1140.851189] ? _raw_spin_unlock_irq+0x27/0x80 [ 1140.855678] ? _raw_spin_unlock_irq+0x27/0x80 [ 1140.860172] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1140.865012] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1140.869592] ? trace_hardirqs_on+0xbd/0x310 [ 1140.873913] ? kasan_check_read+0x11/0x20 [ 1140.878057] ? __run_timers+0x7da/0xc70 [ 1140.882029] ? trace_hardirqs_off_caller+0x310/0x310 [ 1140.887140] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1140.891983] __run_timers+0x7e5/0xc70 [ 1140.895790] ? timer_fixup_init+0x70/0x70 [ 1140.899939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1140.905426] ? zap_class+0x640/0x640 [ 1140.909156] ? print_usage_bug+0xc0/0xc0 [ 1140.913219] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1140.918411] ? find_held_lock+0x36/0x1c0 [ 1140.922477] ? zap_class+0x640/0x640 [ 1140.926196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.931730] ? check_preemption_disabled+0x48/0x280 [ 1140.936750] ? __lock_is_held+0xb5/0x140 [ 1140.940811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.946343] ? check_preemption_disabled+0x48/0x280 [ 1140.951357] run_timer_softirq+0x52/0xb0 [ 1140.955415] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1140.960425] __do_softirq+0x308/0xb7e [ 1140.964224] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1140.968713] ? lock_downgrade+0x900/0x900 [ 1140.972875] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1140.977999] ? pvclock_read_flags+0x160/0x160 [ 1140.982493] ? lapic_next_event+0x5a/0x90 [ 1140.986644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1140.992206] ? kvm_clock_read+0x18/0x30 [ 1140.996178] ? kvm_sched_clock_read+0x9/0x20 [ 1141.000582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1141.006136] ? check_preemption_disabled+0x48/0x280 [ 1141.011168] irq_exit+0x17f/0x1c0 [ 1141.014620] smp_apic_timer_interrupt+0x1cb/0x760 [ 1141.019455] ? smp_reschedule_interrupt+0x109/0x650 [ 1141.024468] ? smp_call_function_single_interrupt+0x650/0x650 [ 1141.030345] ? interrupt_entry+0xb5/0xc0 [ 1141.034407] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1141.039421] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1141.044435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.049274] ? trace_hardirqs_on_caller+0x310/0x310 [ 1141.054288] ? trace_hardirqs_on_caller+0x310/0x310 [ 1141.059301] ? task_prio+0x50/0x50 [ 1141.062838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1141.068373] ? check_preemption_disabled+0x48/0x280 [ 1141.073391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.078236] apic_timer_interrupt+0xf/0x20 [ 1141.082460] [ 1141.084696] RIP: 0010:console_unlock+0x102f/0x1190 [ 1141.089622] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1141.108524] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1141.116234] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1141.123503] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1141.130765] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1141.138027] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1141.145289] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1141.152559] ? netconsole_netdev_event+0x280/0x280 [ 1141.157487] ? console_unlock+0x1026/0x1190 [ 1141.161830] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1141.166499] ? vprintk_emit+0x846/0x990 [ 1141.170477] ? lock_release+0xa00/0xa00 [ 1141.174452] ? trace_hardirqs_on+0x70/0x310 [ 1141.178769] ? vprintk_default+0x28/0x30 [ 1141.182826] ? trace_hardirqs_off_caller+0x310/0x310 [ 1141.187927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1141.193464] vprintk_emit+0x391/0x990 [ 1141.197267] ? wake_up_klogd+0x180/0x180 [ 1141.201330] ? find_held_lock+0x11/0x1c0 [ 1141.205394] ? mark_held_locks+0xc7/0x130 [ 1141.209540] ? _raw_spin_unlock_irq+0x27/0x80 [ 1141.214028] ? _raw_spin_unlock_irq+0x27/0x80 [ 1141.218527] vprintk_default+0x28/0x30 [ 1141.222409] vprintk_func+0x7e/0x181 [ 1141.226118] printk+0xa7/0xcf [ 1141.229231] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1141.233987] ? _raw_spin_unlock_irq+0x60/0x80 [ 1141.238494] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1141.243773] dump_header+0x7cc/0xf72 [ 1141.247503] ? pagefault_out_of_memory+0x197/0x197 [ 1141.252434] ? __lock_acquire+0x62f/0x4c20 [ 1141.256674] ? print_usage_bug+0xc0/0xc0 [ 1141.260740] ? zap_class+0x640/0x640 [ 1141.264455] ? print_usage_bug+0xc0/0xc0 [ 1141.268521] ? print_usage_bug+0xc0/0xc0 [ 1141.272581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1141.278129] ? find_held_lock+0x36/0x1c0 [ 1141.282197] ? mark_held_locks+0xc7/0x130 [ 1141.286342] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1141.291439] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1141.296538] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1141.301127] ? trace_hardirqs_on+0xbd/0x310 [ 1141.305444] ? kasan_check_read+0x11/0x20 [ 1141.309584] ? ___ratelimit+0x3b4/0x672 [ 1141.313554] ? trace_hardirqs_off_caller+0x310/0x310 [ 1141.318652] ? trace_hardirqs_on+0x310/0x310 [ 1141.323058] ? lock_downgrade+0x900/0x900 [ 1141.327205] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1141.332305] ? ___ratelimit+0x3b9/0x672 [ 1141.336276] ? idr_get_free+0xf70/0xf70 [ 1141.340243] ? find_held_lock+0x36/0x1c0 [ 1141.344314] oom_kill_process.cold.27+0x10/0x903 [ 1141.349063] ? zap_class+0x640/0x640 [ 1141.352772] ? check_preemption_disabled+0x48/0x280 [ 1141.357787] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1141.362715] ? kasan_check_read+0x11/0x20 [ 1141.366860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1141.372143] ? oom_evaluate_task+0x540/0x540 [ 1141.376551] ? find_held_lock+0x36/0x1c0 [ 1141.380621] ? out_of_memory+0x974/0x1430 [ 1141.384773] ? lock_downgrade+0x900/0x900 [ 1141.388916] ? check_preemption_disabled+0x48/0x280 [ 1141.393932] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1141.398858] ? kasan_check_read+0x11/0x20 [ 1141.403001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1141.408273] ? rcu_softirq_qs+0x20/0x20 [ 1141.412255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1141.417800] ? oom_evaluate_task+0x302/0x540 [ 1141.422211] out_of_memory+0xa84/0x1430 [ 1141.426200] ? oom_killer_disable+0x3a0/0x3a0 [ 1141.430693] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1141.435621] ? __ww_mutex_check_waiters+0x160/0x160 [ 1141.440646] __alloc_pages_slowpath+0x2354/0x2e10 [ 1141.445528] ? warn_alloc+0x120/0x120 [ 1141.449324] ? mark_held_locks+0x130/0x130 [ 1141.453562] ? find_get_entry+0xaae/0x1120 [ 1141.457806] ? filemap_map_pages+0x1a20/0x1a20 [ 1141.462390] ? zap_class+0x640/0x640 [ 1141.466111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1141.471643] ? check_preemption_disabled+0x48/0x280 [ 1141.476658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1141.482195] ? should_fail+0x22d/0xd01 [ 1141.486083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1141.491188] ? zap_class+0x640/0x640 [ 1141.494922] ? __lock_is_held+0xb5/0x140 [ 1141.498991] ? mark_held_locks+0x130/0x130 [ 1141.503225] ? lock_release+0xa00/0xa00 [ 1141.507199] ? perf_trace_sched_process_exec+0x860/0x860 [ 1141.512644] ? xa_load+0x2ba/0x460 [ 1141.516180] ? lock_downgrade+0x900/0x900 [ 1141.520328] ? __might_sleep+0x95/0x190 [ 1141.524304] __alloc_pages_nodemask+0xa80/0xde0 [ 1141.528976] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1141.533990] ? __page_cache_alloc+0x191/0x5c0 [ 1141.538483] ? xa_load+0x2e1/0x460 [ 1141.542022] ? xa_clear_mark+0x40/0x40 [ 1141.545911] ? zap_class+0x640/0x640 [ 1141.549987] ? zap_class+0x640/0x640 [ 1141.553693] ? zap_class+0x640/0x640 [ 1141.557406] ? __do_page_cache_readahead+0x663/0x810 [ 1141.562509] ? find_held_lock+0x36/0x1c0 [ 1141.566576] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1141.572124] alloc_pages_current+0x173/0x350 [ 1141.576533] __page_cache_alloc+0x38c/0x5c0 [ 1141.580847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1141.585772] ? kasan_check_read+0x11/0x20 [ 1141.589912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1141.595189] ? generic_perform_write+0x6a0/0x6a0 [ 1141.599944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1141.605482] ? check_preemption_disabled+0x48/0x280 [ 1141.610499] filemap_fault+0x1595/0x25f0 [ 1141.614568] ? __lock_page_or_retry+0xa00/0xa00 [ 1141.619233] ? mark_held_locks+0x130/0x130 [ 1141.623482] ? filemap_map_pages+0xd6b/0x1a20 [ 1141.627985] ? lock_downgrade+0x900/0x900 [ 1141.632132] ? check_preemption_disabled+0x48/0x280 [ 1141.637147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1141.642075] ? kasan_check_read+0x11/0x20 [ 1141.646222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1141.651493] ? rcu_softirq_qs+0x20/0x20 [ 1141.655478] ? filemap_map_pages+0xd92/0x1a20 [ 1141.659981] ? find_get_entries_tag+0x1400/0x1400 [ 1141.664818] ? find_held_lock+0x36/0x1c0 [ 1141.668893] ? lock_acquire+0x1ed/0x520 [ 1141.672861] ? ext4_filemap_fault+0x7a/0xad [ 1141.677184] ? lock_release+0xa00/0xa00 [ 1141.681153] ? perf_trace_sched_process_exec+0x860/0x860 [ 1141.686601] ? print_usage_bug+0xc0/0xc0 [ 1141.690675] ? down_read+0x8d/0x120 [ 1141.694294] ? ext4_filemap_fault+0x7a/0xad [ 1141.698615] ? __down_interruptible+0x700/0x700 [ 1141.703283] ? find_held_lock+0x36/0x1c0 [ 1141.707344] ext4_filemap_fault+0x82/0xad [ 1141.711489] __do_fault+0x100/0x6b0 [ 1141.715121] ? lock_downgrade+0x900/0x900 [ 1141.719265] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1141.724368] ? kasan_check_read+0x11/0x20 [ 1141.728512] ? do_raw_spin_unlock+0xa7/0x330 [ 1141.732917] ? do_raw_spin_trylock+0x270/0x270 [ 1141.737510] __handle_mm_fault+0x3ea0/0x5be0 [ 1141.741913] ? perf_trace_lock+0x7a0/0x7a0 [ 1141.746149] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1141.750995] ? ksys_dup3+0x680/0x680 [ 1141.754718] ? zap_class+0x640/0x640 [ 1141.758426] ? zap_class+0x640/0x640 [ 1141.762138] ? __x64_sys_futex+0x53e/0x6a0 [ 1141.766372] ? find_held_lock+0x36/0x1c0 [ 1141.770440] ? handle_mm_fault+0x42a/0xc70 [ 1141.774763] ? lock_downgrade+0x900/0x900 [ 1141.778909] ? check_preemption_disabled+0x48/0x280 [ 1141.783924] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1141.788944] ? kasan_check_read+0x11/0x20 [ 1141.793094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1141.798367] ? rcu_softirq_qs+0x20/0x20 [ 1141.802340] ? trace_hardirqs_off_caller+0x310/0x310 [ 1141.807439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1141.812977] ? check_preemption_disabled+0x48/0x280 [ 1141.818000] handle_mm_fault+0x54f/0xc70 [ 1141.822059] ? __handle_mm_fault+0x5be0/0x5be0 [ 1141.826649] ? find_vma+0x34/0x190 [ 1141.830192] __do_page_fault+0x5e8/0xe60 [ 1141.834258] ? trace_hardirqs_off+0xb8/0x310 [ 1141.838659] ? kernel_write+0x120/0x120 [ 1141.842635] do_page_fault+0xf2/0x7e0 [ 1141.846431] ? vmalloc_sync_all+0x30/0x30 [ 1141.850579] ? error_entry+0x70/0xd0 [ 1141.854288] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1141.859297] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1141.864223] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1141.869147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.873988] ? trace_hardirqs_on_caller+0x310/0x310 [ 1141.878998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1141.884452] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1141.889468] ? page_fault+0x8/0x30 [ 1141.893007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1141.897847] ? page_fault+0x8/0x30 [ 1141.901387] page_fault+0x1e/0x30 [ 1141.904835] RIP: 0033:0x404068 [ 1141.908032] Code: Bad RIP value. [ 1141.911390] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1141.916747] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1141.924011] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1141.931277] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1141.938545] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1141.945810] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1141.953102] warn_alloc_show_mem: 1 callbacks suppressed [ 1141.953111] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1141.953113] Mem-Info: [ 1141.953143] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1141.953143] active_file:12 inactive_file:9 isolated_file:0 [ 1141.953143] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1141.953143] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1141.953143] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1141.953143] free:13627 free_pcp:121 free_cma:0 [ 1141.958479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.965750] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1141.968141] Call Trace: [ 1142.000997] 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 [ 1142.010337] [ 1142.037981] lowmem_reserve[]: 0 2818 6321 6321 [ 1142.040566] dump_stack+0x244/0x39d [ 1142.066654] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1142.068800] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1142.073671] lowmem_reserve[]: 0 0 3503 3503 [ 1142.077322] warn_alloc.cold.116+0xb7/0x1bd [ 1142.104598] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1142.109777] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1142.114072] lowmem_reserve[]: 0 0 0 0 [ 1142.118385] ? lock_downgrade+0x900/0x900 [ 1142.147078] 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 [ 1142.152090] ? trace_hardirqs_off+0xb8/0x310 [ 1142.155857] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1142.160002] ? trace_hardirqs_off+0xb8/0x310 [ 1142.173502] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1142.177922] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1142.193498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1142.197920] ? warn_alloc+0x120/0x120 [ 1142.211304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1142.216133] ? print_usage_bug+0xc0/0xc0 [ 1142.224937] 4359 total pagecache pages [ 1142.228723] ? warn_alloc+0x120/0x120 [ 1142.237280] 0 pages in swap cache [ 1142.241411] ? warn_alloc+0x120/0x120 [ 1142.245288] Swap cache stats: add 0, delete 0, find 0/0 [ 1142.249078] ? print_usage_bug+0xc0/0xc0 [ 1142.252501] Free swap = 0kB [ 1142.256289] ? kvm_clock_read+0x18/0x30 [ 1142.261624] Total swap = 0kB [ 1142.265676] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1142.268668] 1965979 pages RAM [ 1142.272629] ? print_usage_bug+0xc0/0xc0 [ 1142.275620] 0 pages HighMem/MovableOnly [ 1142.280621] ? __lock_acquire+0x62f/0x4c20 [ 1142.283711] 342854 pages reserved [ 1142.287763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1142.291706] 0 pages cma reserved [ 1142.295932] ? should_fail+0x22d/0xd01 [ 1142.299414] aoe: skb alloc failure [ 1142.304877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1142.304895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1142.308283] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1142.312112] ? __lock_acquire+0x62f/0x4c20 [ 1142.315623] syz-fuzzer cpuset=/ mems_allowed=0 [ 1142.320888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1142.350047] ? __lock_acquire+0x62f/0x4c20 [ 1142.354275] ? should_fail+0x22d/0xd01 [ 1142.358154] ? rcu_irq_exit+0x1a2/0x390 [ 1142.362134] ? mark_held_locks+0x130/0x130 [ 1142.366369] ? mark_held_locks+0x130/0x130 [ 1142.370603] ? mark_held_locks+0xc7/0x130 [ 1142.374751] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1142.379763] ? zap_class+0x640/0x640 [ 1142.383473] ? print_usage_bug+0xc0/0xc0 [ 1142.387536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.393069] ? check_preemption_disabled+0x48/0x280 [ 1142.398093] ? __lock_is_held+0xb5/0x140 [ 1142.402158] __alloc_pages_nodemask+0xa80/0xde0 [ 1142.406821] ? zap_class+0x640/0x640 [ 1142.410534] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1142.415555] ? find_held_lock+0x36/0x1c0 [ 1142.419621] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1142.424288] ? lock_downgrade+0x900/0x900 [ 1142.428444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.433984] cache_grow_begin+0xa5/0x8c0 [ 1142.438047] ? do_raw_spin_unlock+0xa7/0x330 [ 1142.442458] fallback_alloc+0x204/0x2e0 [ 1142.446436] ____cache_alloc_node+0x1c7/0x1e0 [ 1142.450931] kmem_cache_alloc_node+0xe3/0x730 [ 1142.455423] ? ipv6_get_ifaddr+0x42e/0x620 [ 1142.459666] __alloc_skb+0x119/0x770 [ 1142.463373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1142.468652] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1142.473058] ? lock_downgrade+0x900/0x900 [ 1142.477214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.482749] ? refcount_sub_and_test_checked+0x203/0x310 [ 1142.488198] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1142.493653] ? addrconf_rs_timer+0x690/0x690 [ 1142.498100] ndisc_alloc_skb+0x144/0x340 [ 1142.502164] ndisc_send_rs+0x331/0x6e0 [ 1142.506058] addrconf_rs_timer+0x314/0x690 [ 1142.510293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1142.514538] call_timer_fn+0x272/0x920 [ 1142.518424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1142.522666] ? process_timeout+0x40/0x40 [ 1142.526733] ? __run_timers+0x7da/0xc70 [ 1142.530712] ? _raw_spin_unlock_irq+0x27/0x80 [ 1142.535204] ? _raw_spin_unlock_irq+0x27/0x80 [ 1142.539694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1142.543930] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1142.548510] ? trace_hardirqs_on+0xbd/0x310 [ 1142.552825] ? kasan_check_read+0x11/0x20 [ 1142.556967] ? __run_timers+0x7da/0xc70 [ 1142.560939] ? trace_hardirqs_off_caller+0x310/0x310 [ 1142.566046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1142.570281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1142.574509] __run_timers+0x7e5/0xc70 [ 1142.578312] ? timer_fixup_init+0x70/0x70 [ 1142.582458] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1142.587471] ? zap_class+0x640/0x640 [ 1142.591183] ? enqueue_hrtimer+0x1a5/0x560 [ 1142.595416] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1142.600610] ? find_held_lock+0x36/0x1c0 [ 1142.604671] ? zap_class+0x640/0x640 [ 1142.608382] ? pvclock_read_flags+0x160/0x160 [ 1142.612874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.618414] ? check_preemption_disabled+0x48/0x280 [ 1142.623436] ? __lock_is_held+0xb5/0x140 [ 1142.627494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.633034] ? check_preemption_disabled+0x48/0x280 [ 1142.638054] run_timer_softirq+0x52/0xb0 [ 1142.642114] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1142.647128] __do_softirq+0x308/0xb7e [ 1142.650926] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1142.655416] ? lock_downgrade+0x900/0x900 [ 1142.659563] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1142.664673] ? pvclock_read_flags+0x160/0x160 [ 1142.669167] ? lapic_next_event+0x5a/0x90 [ 1142.673313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.678851] ? kvm_clock_read+0x18/0x30 [ 1142.682825] ? kvm_sched_clock_read+0x9/0x20 [ 1142.687234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.692771] ? check_preemption_disabled+0x48/0x280 [ 1142.697795] irq_exit+0x17f/0x1c0 [ 1142.701250] smp_apic_timer_interrupt+0x1cb/0x760 [ 1142.706090] ? smp_reschedule_interrupt+0x109/0x650 [ 1142.711107] ? smp_call_function_single_interrupt+0x650/0x650 [ 1142.716985] ? interrupt_entry+0xb5/0xc0 [ 1142.721053] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1142.726067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1142.731079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1142.735917] ? trace_hardirqs_on_caller+0x310/0x310 [ 1142.740931] ? trace_hardirqs_on_caller+0x310/0x310 [ 1142.745945] ? task_prio+0x50/0x50 [ 1142.749484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.755027] ? check_preemption_disabled+0x48/0x280 [ 1142.760044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1142.764899] apic_timer_interrupt+0xf/0x20 [ 1142.769127] [ 1142.771361] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1142.776285] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1142.795181] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1142.802891] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1142.810155] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1142.817416] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1142.824680] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1142.831946] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1142.839248] skb_clone+0x1bb/0x500 [ 1142.842786] ? finish_task_switch+0x2f4/0x910 [ 1142.847278] ? skb_split+0x11e0/0x11e0 [ 1142.851163] ? preempt_notifier_register+0x200/0x200 [ 1142.856261] ? __switch_to_asm+0x34/0x70 [ 1142.860320] ? __switch_to_asm+0x34/0x70 [ 1142.864379] ? __switch_to_asm+0x40/0x70 [ 1142.868442] ? __switch_to_asm+0x34/0x70 [ 1142.872495] ? __switch_to_asm+0x40/0x70 [ 1142.876554] ? __switch_to_asm+0x34/0x70 [ 1142.880606] ? __switch_to_asm+0x40/0x70 [ 1142.884660] ? __switch_to_asm+0x34/0x70 [ 1142.888714] ? __switch_to_asm+0x34/0x70 [ 1142.892769] ? __switch_to_asm+0x40/0x70 [ 1142.896827] ? __switch_to_asm+0x34/0x70 [ 1142.900893] bpf_clone_redirect+0xb9/0x490 [ 1142.905414] ? __schedule+0x8d7/0x21d0 [ 1142.909309] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1142.914325] ? __sched_text_start+0x8/0x8 [ 1142.918488] ? find_held_lock+0x36/0x1c0 [ 1142.922564] ? lock_acquire+0x1ed/0x520 [ 1142.926534] ? bpf_test_run+0x3cb/0x780 [ 1142.930504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1142.936037] ? check_preemption_disabled+0x48/0x280 [ 1142.941053] ? kasan_check_read+0x11/0x20 [ 1142.945196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1142.950471] ? rcu_softirq_qs+0x20/0x20 [ 1142.954442] ? preempt_schedule+0x4d/0x60 [ 1142.958585] ? ___preempt_schedule+0x16/0x18 [ 1142.963013] ? bpf_test_run+0x25d/0x780 [ 1142.967002] ? netlink_diag_dump+0x2a0/0x2a0 [ 1142.971410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1142.976945] ? bpf_test_init.isra.10+0x70/0x100 [ 1142.981624] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1142.986389] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1142.991225] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1142.996757] ? fput+0x130/0x1a0 [ 1143.000033] ? __bpf_prog_get+0x9b/0x290 [ 1143.004095] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1143.008935] ? bpf_prog_test_run+0x130/0x1a0 [ 1143.013343] ? __x64_sys_bpf+0x3d8/0x520 [ 1143.017399] ? bpf_prog_get+0x20/0x20 [ 1143.021221] ? do_syscall_64+0x1b9/0x820 [ 1143.025282] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1143.030641] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1143.035564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1143.040404] ? trace_hardirqs_on_caller+0x310/0x310 [ 1143.045420] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1143.050433] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1143.055451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1143.060300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1143.065679] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1143.065741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1143.072696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1143.079246] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1143.088506] Call Trace: [ 1143.098988] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1143.101552] [ 1143.108783] dump_stack+0x244/0x39d [ 1143.112411] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1143.117610] warn_alloc.cold.116+0xb7/0x1bd [ 1143.121929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1143.126776] ? lock_downgrade+0x900/0x900 [ 1143.130928] ? trace_hardirqs_off+0xb8/0x310 [ 1143.135346] ? trace_hardirqs_off+0xb8/0x310 [ 1143.139758] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1143.144625] ? warn_alloc+0x120/0x120 [ 1143.148427] ? warn_alloc+0x120/0x120 [ 1143.152232] ? warn_alloc+0x120/0x120 [ 1143.156031] ? print_usage_bug+0xc0/0xc0 [ 1143.160089] ? print_usage_bug+0xc0/0xc0 [ 1143.164146] ? ktime_get+0x2c1/0x400 [ 1143.167861] ? check_preemption_disabled+0x48/0x280 [ 1143.172874] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1143.177365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1143.182897] ? should_fail+0x22d/0xd01 [ 1143.186778] ? kasan_check_read+0x11/0x20 [ 1143.190923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1143.196023] ? __lock_acquire+0x62f/0x4c20 [ 1143.200269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1143.205365] ? should_fail+0x22d/0xd01 [ 1143.209249] ? print_usage_bug+0xc0/0xc0 [ 1143.213316] ? mark_held_locks+0x130/0x130 [ 1143.217568] ? mark_held_locks+0x130/0x130 [ 1143.221799] ? check_preemption_disabled+0x48/0x280 [ 1143.226819] ? zap_class+0x640/0x640 [ 1143.230530] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1143.235284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.240815] ? check_preemption_disabled+0x48/0x280 [ 1143.245834] ? __lock_is_held+0xb5/0x140 [ 1143.249903] __alloc_pages_nodemask+0xa80/0xde0 [ 1143.254567] ? zap_class+0x640/0x640 [ 1143.258284] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1143.263309] ? find_held_lock+0x36/0x1c0 [ 1143.267377] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1143.272045] ? lock_downgrade+0x900/0x900 [ 1143.276200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.281740] cache_grow_begin+0xa5/0x8c0 [ 1143.285797] ? do_raw_spin_unlock+0xa7/0x330 [ 1143.290209] fallback_alloc+0x204/0x2e0 [ 1143.294196] ____cache_alloc_node+0x1c7/0x1e0 [ 1143.298694] kmem_cache_alloc_node+0xe3/0x730 [ 1143.303187] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1143.307775] __alloc_skb+0x119/0x770 [ 1143.311484] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1143.316847] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1143.321257] ? vprintk_default+0x28/0x30 [ 1143.325314] ? vprintk_func+0x85/0x181 [ 1143.329204] ? printk+0xa7/0xcf [ 1143.332481] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1143.337244] new_skb+0x26/0x1c0 [ 1143.340521] aoecmd_cfg+0x279/0x7f0 [ 1143.344147] ? find_held_lock+0x36/0x1c0 [ 1143.348208] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1143.352529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.358073] ? __lock_is_held+0xb5/0x140 [ 1143.362141] discover_timer+0x50/0x60 [ 1143.365937] call_timer_fn+0x272/0x920 [ 1143.369828] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1143.374666] ? process_timeout+0x40/0x40 [ 1143.378735] ? mark_held_locks+0xc7/0x130 [ 1143.382882] ? _raw_spin_unlock_irq+0x27/0x80 [ 1143.387371] ? _raw_spin_unlock_irq+0x27/0x80 [ 1143.391863] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1143.396701] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1143.401283] ? trace_hardirqs_on+0xbd/0x310 [ 1143.405599] ? kasan_check_read+0x11/0x20 [ 1143.409741] ? __run_timers+0x7da/0xc70 [ 1143.413711] ? trace_hardirqs_off_caller+0x310/0x310 [ 1143.418823] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1143.423657] __run_timers+0x7e5/0xc70 [ 1143.427462] ? timer_fixup_init+0x70/0x70 [ 1143.431605] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1143.436620] ? zap_class+0x640/0x640 [ 1143.440336] ? print_usage_bug+0xc0/0xc0 [ 1143.444395] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1143.449588] ? find_held_lock+0x36/0x1c0 [ 1143.453662] ? zap_class+0x640/0x640 [ 1143.457375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.462908] ? check_preemption_disabled+0x48/0x280 [ 1143.467928] ? __lock_is_held+0xb5/0x140 [ 1143.471991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.477526] ? check_preemption_disabled+0x48/0x280 [ 1143.482546] run_timer_softirq+0x52/0xb0 [ 1143.486602] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1143.492048] __do_softirq+0x308/0xb7e [ 1143.495848] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1143.500336] ? lock_downgrade+0x900/0x900 [ 1143.504484] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1143.509588] ? pvclock_read_flags+0x160/0x160 [ 1143.514079] ? lapic_next_event+0x5a/0x90 [ 1143.518226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.523764] ? kvm_clock_read+0x18/0x30 [ 1143.527735] ? kvm_sched_clock_read+0x9/0x20 [ 1143.532143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.537676] ? check_preemption_disabled+0x48/0x280 [ 1143.542700] irq_exit+0x17f/0x1c0 [ 1143.546150] smp_apic_timer_interrupt+0x1cb/0x760 [ 1143.550991] ? smp_reschedule_interrupt+0x109/0x650 [ 1143.556007] ? smp_call_function_single_interrupt+0x650/0x650 [ 1143.561887] ? interrupt_entry+0xb5/0xc0 [ 1143.565950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1143.570970] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1143.575987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1143.580828] ? trace_hardirqs_on_caller+0x310/0x310 [ 1143.585838] ? trace_hardirqs_on_caller+0x310/0x310 [ 1143.590846] ? task_prio+0x50/0x50 [ 1143.594384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.599916] ? check_preemption_disabled+0x48/0x280 [ 1143.604943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1143.609787] apic_timer_interrupt+0xf/0x20 [ 1143.614010] [ 1143.616244] RIP: 0010:console_unlock+0x102f/0x1190 [ 1143.621172] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1143.640066] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1143.647767] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1143.655032] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1143.662298] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1143.669561] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1143.676824] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1143.684095] ? netconsole_netdev_event+0x280/0x280 [ 1143.689027] ? console_unlock+0x1026/0x1190 [ 1143.693365] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1143.698028] ? vprintk_emit+0x846/0x990 [ 1143.702005] ? lock_release+0xa00/0xa00 [ 1143.705978] ? trace_hardirqs_on+0x70/0x310 [ 1143.710299] ? vprintk_default+0x28/0x30 [ 1143.714355] ? trace_hardirqs_off_caller+0x310/0x310 [ 1143.719459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.724997] vprintk_emit+0x391/0x990 [ 1143.728797] ? wake_up_klogd+0x180/0x180 [ 1143.732858] ? find_held_lock+0x11/0x1c0 [ 1143.736931] ? mark_held_locks+0xc7/0x130 [ 1143.741080] ? _raw_spin_unlock_irq+0x27/0x80 [ 1143.745569] ? _raw_spin_unlock_irq+0x27/0x80 [ 1143.750065] vprintk_default+0x28/0x30 [ 1143.753954] vprintk_func+0x7e/0x181 [ 1143.757664] printk+0xa7/0xcf [ 1143.760765] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1143.765517] ? _raw_spin_unlock_irq+0x60/0x80 [ 1143.770020] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1143.775306] dump_header+0x7cc/0xf72 [ 1143.779111] ? pagefault_out_of_memory+0x197/0x197 [ 1143.784048] ? __lock_acquire+0x62f/0x4c20 [ 1143.788288] ? print_usage_bug+0xc0/0xc0 [ 1143.792350] ? zap_class+0x640/0x640 [ 1143.796073] ? print_usage_bug+0xc0/0xc0 [ 1143.800131] ? print_usage_bug+0xc0/0xc0 [ 1143.804192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1143.809727] ? find_held_lock+0x36/0x1c0 [ 1143.813791] ? mark_held_locks+0xc7/0x130 [ 1143.817943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1143.823041] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1143.828141] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1143.832719] ? trace_hardirqs_on+0xbd/0x310 [ 1143.837036] ? kasan_check_read+0x11/0x20 [ 1143.841176] ? ___ratelimit+0x3b4/0x672 [ 1143.845149] ? trace_hardirqs_off_caller+0x310/0x310 [ 1143.850251] ? trace_hardirqs_on+0x310/0x310 [ 1143.854658] ? lock_downgrade+0x900/0x900 [ 1143.858810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1143.863908] ? ___ratelimit+0x3b9/0x672 [ 1143.867889] ? idr_get_free+0xf70/0xf70 [ 1143.871867] ? find_held_lock+0x36/0x1c0 [ 1143.875941] oom_kill_process.cold.27+0x10/0x903 [ 1143.880711] ? zap_class+0x640/0x640 [ 1143.884419] ? check_preemption_disabled+0x48/0x280 [ 1143.889431] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1143.894354] ? kasan_check_read+0x11/0x20 [ 1143.898497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1143.903771] ? oom_evaluate_task+0x540/0x540 [ 1143.908180] ? find_held_lock+0x36/0x1c0 [ 1143.912245] ? out_of_memory+0x974/0x1430 [ 1143.916392] ? lock_downgrade+0x900/0x900 [ 1143.920538] ? check_preemption_disabled+0x48/0x280 [ 1143.925552] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1143.930475] ? kasan_check_read+0x11/0x20 [ 1143.934617] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1143.939890] ? rcu_softirq_qs+0x20/0x20 [ 1143.943872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1143.949406] ? oom_evaluate_task+0x302/0x540 [ 1143.953816] out_of_memory+0xa84/0x1430 [ 1143.957795] ? oom_killer_disable+0x3a0/0x3a0 [ 1143.962294] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1143.967241] ? __ww_mutex_check_waiters+0x160/0x160 [ 1143.972267] __alloc_pages_slowpath+0x2354/0x2e10 [ 1143.977142] ? warn_alloc+0x120/0x120 [ 1143.980942] ? mark_held_locks+0x130/0x130 [ 1143.985176] ? find_get_entry+0xaae/0x1120 [ 1143.989428] ? filemap_map_pages+0x1a20/0x1a20 [ 1143.994010] ? zap_class+0x640/0x640 [ 1143.997725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1144.003258] ? check_preemption_disabled+0x48/0x280 [ 1144.008276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1144.013810] ? should_fail+0x22d/0xd01 [ 1144.017697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1144.022802] ? zap_class+0x640/0x640 [ 1144.026534] ? __lock_is_held+0xb5/0x140 [ 1144.030599] ? mark_held_locks+0x130/0x130 [ 1144.034831] ? lock_release+0xa00/0xa00 [ 1144.038800] ? perf_trace_sched_process_exec+0x860/0x860 [ 1144.044248] ? xa_load+0x2ba/0x460 [ 1144.047786] ? lock_downgrade+0x900/0x900 [ 1144.051938] ? __might_sleep+0x95/0x190 [ 1144.055919] __alloc_pages_nodemask+0xa80/0xde0 [ 1144.060593] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1144.065605] ? __page_cache_alloc+0x191/0x5c0 [ 1144.070096] ? xa_load+0x2e1/0x460 [ 1144.073951] ? xa_clear_mark+0x40/0x40 [ 1144.077843] ? zap_class+0x640/0x640 [ 1144.081565] ? zap_class+0x640/0x640 [ 1144.085277] ? zap_class+0x640/0x640 [ 1144.088987] ? __do_page_cache_readahead+0x663/0x810 [ 1144.094094] ? find_held_lock+0x36/0x1c0 [ 1144.098159] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1144.103700] alloc_pages_current+0x173/0x350 [ 1144.108111] __page_cache_alloc+0x38c/0x5c0 [ 1144.112423] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1144.117345] ? kasan_check_read+0x11/0x20 [ 1144.121488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1144.126764] ? generic_perform_write+0x6a0/0x6a0 [ 1144.131516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1144.137052] ? check_preemption_disabled+0x48/0x280 [ 1144.142070] filemap_fault+0x1595/0x25f0 [ 1144.146138] ? __lock_page_or_retry+0xa00/0xa00 [ 1144.150808] ? mark_held_locks+0x130/0x130 [ 1144.155048] ? filemap_map_pages+0xd6b/0x1a20 [ 1144.159545] ? lock_downgrade+0x900/0x900 [ 1144.163692] ? check_preemption_disabled+0x48/0x280 [ 1144.168707] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1144.173646] ? kasan_check_read+0x11/0x20 [ 1144.177789] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1144.183062] ? rcu_softirq_qs+0x20/0x20 [ 1144.187055] ? filemap_map_pages+0xd92/0x1a20 [ 1144.191559] ? find_get_entries_tag+0x1400/0x1400 [ 1144.196396] ? find_held_lock+0x36/0x1c0 [ 1144.200472] ? lock_acquire+0x1ed/0x520 [ 1144.204451] ? ext4_filemap_fault+0x7a/0xad [ 1144.208773] ? lock_release+0xa00/0xa00 [ 1144.212742] ? perf_trace_sched_process_exec+0x860/0x860 [ 1144.218190] ? print_usage_bug+0xc0/0xc0 [ 1144.222269] ? down_read+0x8d/0x120 [ 1144.225900] ? ext4_filemap_fault+0x7a/0xad [ 1144.230216] ? __down_interruptible+0x700/0x700 [ 1144.234889] ? find_held_lock+0x36/0x1c0 [ 1144.238954] ext4_filemap_fault+0x82/0xad [ 1144.243105] __do_fault+0x100/0x6b0 [ 1144.246730] ? lock_downgrade+0x900/0x900 [ 1144.250876] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1144.255989] ? kasan_check_read+0x11/0x20 [ 1144.260129] ? do_raw_spin_unlock+0xa7/0x330 [ 1144.264530] ? do_raw_spin_trylock+0x270/0x270 [ 1144.269122] __handle_mm_fault+0x3ea0/0x5be0 [ 1144.273524] ? perf_trace_lock+0x7a0/0x7a0 [ 1144.277760] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1144.282609] ? ksys_dup3+0x680/0x680 [ 1144.286330] ? zap_class+0x640/0x640 [ 1144.290039] ? zap_class+0x640/0x640 [ 1144.293746] ? __x64_sys_futex+0x53e/0x6a0 [ 1144.297980] ? find_held_lock+0x36/0x1c0 [ 1144.302046] ? handle_mm_fault+0x42a/0xc70 [ 1144.306277] ? lock_downgrade+0x900/0x900 [ 1144.310424] ? check_preemption_disabled+0x48/0x280 [ 1144.315438] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1144.320364] ? kasan_check_read+0x11/0x20 [ 1144.324506] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1144.329783] ? rcu_softirq_qs+0x20/0x20 [ 1144.333758] ? trace_hardirqs_off_caller+0x310/0x310 [ 1144.338861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1144.344402] ? check_preemption_disabled+0x48/0x280 [ 1144.349438] handle_mm_fault+0x54f/0xc70 [ 1144.353500] ? __handle_mm_fault+0x5be0/0x5be0 [ 1144.358081] ? find_vma+0x34/0x190 [ 1144.361621] __do_page_fault+0x5e8/0xe60 [ 1144.365678] ? trace_hardirqs_off+0xb8/0x310 [ 1144.370083] ? kernel_write+0x120/0x120 [ 1144.374064] do_page_fault+0xf2/0x7e0 [ 1144.377865] ? vmalloc_sync_all+0x30/0x30 [ 1144.382014] ? error_entry+0x70/0xd0 [ 1144.385723] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1144.390732] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1144.395660] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1144.400582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.405422] ? trace_hardirqs_on_caller+0x310/0x310 [ 1144.410433] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1144.415888] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1144.420904] ? page_fault+0x8/0x30 [ 1144.424461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.429322] ? page_fault+0x8/0x30 [ 1144.432862] page_fault+0x1e/0x30 [ 1144.436316] RIP: 0033:0x404068 [ 1144.439515] Code: Bad RIP value. [ 1144.442878] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1144.448240] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1144.455502] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1144.462765] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1144.470028] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1144.477289] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1144.484575] warn_alloc_show_mem: 1 callbacks suppressed [ 1144.484584] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1144.484586] Mem-Info: [ 1144.484615] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1144.484615] active_file:12 inactive_file:9 isolated_file:0 [ 1144.484615] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1144.484615] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1144.484615] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1144.484615] free:13627 free_pcp:121 free_cma:0 [ 1144.489955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.497224] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1144.499615] Call Trace: [ 1144.532473] 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 [ 1144.541826] [ 1144.569478] lowmem_reserve[]: 0 2818 6321 6321 [ 1144.572062] dump_stack+0x244/0x39d [ 1144.598227] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1144.600374] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1144.604922] lowmem_reserve[]: 0 0 3503 3503 [ 1144.608559] warn_alloc.cold.116+0xb7/0x1bd [ 1144.635867] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1144.641052] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1144.645340] lowmem_reserve[]: 0 0 0 0 [ 1144.649658] ? lock_downgrade+0x900/0x900 [ 1144.678353] 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 [ 1144.683193] ? trace_hardirqs_off+0xb8/0x310 [ 1144.686962] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1144.691106] ? trace_hardirqs_off+0xb8/0x310 [ 1144.704597] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1144.709002] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1144.724579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1144.728996] ? warn_alloc+0x120/0x120 [ 1144.742384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1144.747215] ? print_usage_bug+0xc0/0xc0 [ 1144.756023] 4359 total pagecache pages [ 1144.759812] ? warn_alloc+0x120/0x120 [ 1144.768372] 0 pages in swap cache [ 1144.772434] ? warn_alloc+0x120/0x120 [ 1144.776295] Swap cache stats: add 0, delete 0, find 0/0 [ 1144.780082] ? print_usage_bug+0xc0/0xc0 [ 1144.783505] Free swap = 0kB [ 1144.787304] ? kvm_clock_read+0x18/0x30 [ 1144.792637] Total swap = 0kB [ 1144.796685] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1144.799674] 1965979 pages RAM [ 1144.803636] ? print_usage_bug+0xc0/0xc0 [ 1144.806626] 0 pages HighMem/MovableOnly [ 1144.811629] ? __lock_acquire+0x62f/0x4c20 [ 1144.814701] 342854 pages reserved [ 1144.814713] 0 pages cma reserved [ 1144.818766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1144.822761] aoe: skb alloc failure [ 1144.826934] ? should_fail+0x22d/0xd01 [ 1144.826947] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1144.826965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1144.830417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1144.833746] ? __lock_acquire+0x62f/0x4c20 [ 1144.839254] syz-fuzzer cpuset=/ mems_allowed=0 [ 1144.842781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1144.881058] ? __lock_acquire+0x62f/0x4c20 [ 1144.885289] ? should_fail+0x22d/0xd01 [ 1144.889169] ? rcu_irq_exit+0x1a2/0x390 [ 1144.893150] ? mark_held_locks+0x130/0x130 [ 1144.897389] ? mark_held_locks+0x130/0x130 [ 1144.901627] ? mark_held_locks+0xc7/0x130 [ 1144.906168] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1144.911187] ? zap_class+0x640/0x640 [ 1144.914897] ? print_usage_bug+0xc0/0xc0 [ 1144.918957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1144.924493] ? check_preemption_disabled+0x48/0x280 [ 1144.929519] ? __lock_is_held+0xb5/0x140 [ 1144.933581] __alloc_pages_nodemask+0xa80/0xde0 [ 1144.938247] ? zap_class+0x640/0x640 [ 1144.941960] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1144.946999] ? find_held_lock+0x36/0x1c0 [ 1144.951091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1144.955759] ? lock_downgrade+0x900/0x900 [ 1144.959926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1144.965469] cache_grow_begin+0xa5/0x8c0 [ 1144.969523] ? do_raw_spin_unlock+0xa7/0x330 [ 1144.973933] fallback_alloc+0x204/0x2e0 [ 1144.977917] ____cache_alloc_node+0x1c7/0x1e0 [ 1144.982417] kmem_cache_alloc_node+0xe3/0x730 [ 1144.986915] ? ipv6_get_ifaddr+0x42e/0x620 [ 1144.991160] __alloc_skb+0x119/0x770 [ 1144.994873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1145.000149] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1145.004552] ? lock_downgrade+0x900/0x900 [ 1145.008706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.014247] ? refcount_sub_and_test_checked+0x203/0x310 [ 1145.019707] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1145.025153] ? addrconf_rs_timer+0x690/0x690 [ 1145.029582] ndisc_alloc_skb+0x144/0x340 [ 1145.033644] ndisc_send_rs+0x331/0x6e0 [ 1145.037534] addrconf_rs_timer+0x314/0x690 [ 1145.041769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1145.046009] call_timer_fn+0x272/0x920 [ 1145.049892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1145.054122] ? process_timeout+0x40/0x40 [ 1145.058190] ? __run_timers+0x7da/0xc70 [ 1145.062165] ? _raw_spin_unlock_irq+0x27/0x80 [ 1145.066653] ? _raw_spin_unlock_irq+0x27/0x80 [ 1145.071605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1145.075853] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1145.080436] ? trace_hardirqs_on+0xbd/0x310 [ 1145.084753] ? kasan_check_read+0x11/0x20 [ 1145.088900] ? __run_timers+0x7da/0xc70 [ 1145.092872] ? trace_hardirqs_off_caller+0x310/0x310 [ 1145.097974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1145.102214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1145.106442] __run_timers+0x7e5/0xc70 [ 1145.110248] ? timer_fixup_init+0x70/0x70 [ 1145.114394] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1145.119407] ? zap_class+0x640/0x640 [ 1145.123121] ? enqueue_hrtimer+0x1a5/0x560 [ 1145.127354] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1145.132548] ? find_held_lock+0x36/0x1c0 [ 1145.136612] ? zap_class+0x640/0x640 [ 1145.140327] ? pvclock_read_flags+0x160/0x160 [ 1145.144826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.150708] ? check_preemption_disabled+0x48/0x280 [ 1145.155732] ? __lock_is_held+0xb5/0x140 [ 1145.159793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.165336] ? check_preemption_disabled+0x48/0x280 [ 1145.170354] run_timer_softirq+0x52/0xb0 [ 1145.174409] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1145.179421] __do_softirq+0x308/0xb7e [ 1145.183222] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1145.187711] ? lock_downgrade+0x900/0x900 [ 1145.191863] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1145.196970] ? pvclock_read_flags+0x160/0x160 [ 1145.201461] ? lapic_next_event+0x5a/0x90 [ 1145.205606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.211145] ? kvm_clock_read+0x18/0x30 [ 1145.215118] ? kvm_sched_clock_read+0x9/0x20 [ 1145.219522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.225059] ? check_preemption_disabled+0x48/0x280 [ 1145.230081] irq_exit+0x17f/0x1c0 [ 1145.233534] smp_apic_timer_interrupt+0x1cb/0x760 [ 1145.238372] ? smp_reschedule_interrupt+0x109/0x650 [ 1145.243384] ? smp_call_function_single_interrupt+0x650/0x650 [ 1145.249263] ? interrupt_entry+0xb5/0xc0 [ 1145.253323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1145.258348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1145.263361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.268203] ? trace_hardirqs_on_caller+0x310/0x310 [ 1145.273217] ? trace_hardirqs_on_caller+0x310/0x310 [ 1145.278227] ? task_prio+0x50/0x50 [ 1145.281763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.287298] ? check_preemption_disabled+0x48/0x280 [ 1145.292317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.297165] apic_timer_interrupt+0xf/0x20 [ 1145.301403] [ 1145.303641] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1145.308574] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1145.327481] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1145.335185] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1145.342449] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1145.349713] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1145.356976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1145.364238] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1145.371544] skb_clone+0x1bb/0x500 [ 1145.375081] ? finish_task_switch+0x2f4/0x910 [ 1145.379574] ? skb_split+0x11e0/0x11e0 [ 1145.383460] ? preempt_notifier_register+0x200/0x200 [ 1145.388559] ? __switch_to_asm+0x34/0x70 [ 1145.392613] ? __switch_to_asm+0x34/0x70 [ 1145.396670] ? __switch_to_asm+0x40/0x70 [ 1145.400724] ? __switch_to_asm+0x34/0x70 [ 1145.404787] ? __switch_to_asm+0x40/0x70 [ 1145.408847] ? __switch_to_asm+0x34/0x70 [ 1145.412900] ? __switch_to_asm+0x40/0x70 [ 1145.416955] ? __switch_to_asm+0x34/0x70 [ 1145.421016] ? __switch_to_asm+0x34/0x70 [ 1145.425071] ? __switch_to_asm+0x40/0x70 [ 1145.429125] ? __switch_to_asm+0x34/0x70 [ 1145.433187] bpf_clone_redirect+0xb9/0x490 [ 1145.437417] ? __schedule+0x8d7/0x21d0 [ 1145.441307] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1145.446320] ? __sched_text_start+0x8/0x8 [ 1145.450477] ? find_held_lock+0x36/0x1c0 [ 1145.454540] ? lock_acquire+0x1ed/0x520 [ 1145.458512] ? bpf_test_run+0x3cb/0x780 [ 1145.462481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.468015] ? check_preemption_disabled+0x48/0x280 [ 1145.473050] ? kasan_check_read+0x11/0x20 [ 1145.477210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1145.482483] ? rcu_softirq_qs+0x20/0x20 [ 1145.486452] ? preempt_schedule+0x4d/0x60 [ 1145.490599] ? ___preempt_schedule+0x16/0x18 [ 1145.495009] ? bpf_test_run+0x25d/0x780 [ 1145.498994] ? netlink_diag_dump+0x2a0/0x2a0 [ 1145.503401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1145.508935] ? bpf_test_init.isra.10+0x70/0x100 [ 1145.513607] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1145.518368] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1145.523207] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1145.528742] ? fput+0x130/0x1a0 [ 1145.532020] ? __bpf_prog_get+0x9b/0x290 [ 1145.536081] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1145.540916] ? bpf_prog_test_run+0x130/0x1a0 [ 1145.545325] ? __x64_sys_bpf+0x3d8/0x520 [ 1145.549381] ? bpf_prog_get+0x20/0x20 [ 1145.553201] ? do_syscall_64+0x1b9/0x820 [ 1145.557258] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1145.562619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1145.567548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.572390] ? trace_hardirqs_on_caller+0x310/0x310 [ 1145.577403] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1145.582417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1145.587439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.592286] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1145.597666] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1145.597726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1145.604683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.611228] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1145.620490] Call Trace: [ 1145.631043] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1145.633611] [ 1145.640843] dump_stack+0x244/0x39d [ 1145.644471] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1145.649669] warn_alloc.cold.116+0xb7/0x1bd [ 1145.653990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1145.658834] ? lock_downgrade+0x900/0x900 [ 1145.662988] ? trace_hardirqs_off+0xb8/0x310 [ 1145.667399] ? trace_hardirqs_off+0xb8/0x310 [ 1145.671815] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1145.676681] ? warn_alloc+0x120/0x120 [ 1145.680482] ? warn_alloc+0x120/0x120 [ 1145.684287] ? __lock_acquire+0x62f/0x4c20 [ 1145.688520] ? warn_alloc+0x120/0x120 [ 1145.692318] ? print_usage_bug+0xc0/0xc0 [ 1145.696381] ? print_usage_bug+0xc0/0xc0 [ 1145.700439] ? mark_held_locks+0x130/0x130 [ 1145.704679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1145.710210] ? should_fail+0x22d/0xd01 [ 1145.714088] ? zap_class+0x640/0x640 [ 1145.717804] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1145.722904] ? __lock_acquire+0x62f/0x4c20 [ 1145.727148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1145.732248] ? should_fail+0x22d/0xd01 [ 1145.736145] ? mark_held_locks+0x130/0x130 [ 1145.740378] ? mark_held_locks+0x130/0x130 [ 1145.744608] ? lock_downgrade+0x900/0x900 [ 1145.748755] ? zap_class+0x640/0x640 [ 1145.752473] ? zap_class+0x640/0x640 [ 1145.756185] ? zap_class+0x640/0x640 [ 1145.759979] ? do_raw_spin_unlock+0xa7/0x330 [ 1145.764383] ? trace_hardirqs_on+0x310/0x310 [ 1145.768791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.774326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.779858] ? check_preemption_disabled+0x48/0x280 [ 1145.784878] ? __lock_is_held+0xb5/0x140 [ 1145.788945] __alloc_pages_nodemask+0xa80/0xde0 [ 1145.793610] ? zap_class+0x640/0x640 [ 1145.797327] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1145.802348] ? find_held_lock+0x36/0x1c0 [ 1145.806419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1145.811084] ? lock_downgrade+0x900/0x900 [ 1145.815236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.820784] cache_grow_begin+0xa5/0x8c0 [ 1145.824840] ? do_raw_spin_unlock+0xa7/0x330 [ 1145.829254] fallback_alloc+0x204/0x2e0 [ 1145.833233] ____cache_alloc_node+0x1c7/0x1e0 [ 1145.837733] kmem_cache_alloc_node+0xe3/0x730 [ 1145.842232] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1145.846821] __alloc_skb+0x119/0x770 [ 1145.850530] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1145.855910] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1145.860323] ? vprintk_default+0x28/0x30 [ 1145.864381] ? vprintk_func+0x85/0x181 [ 1145.868266] ? printk+0xa7/0xcf [ 1145.871541] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1145.876301] new_skb+0x26/0x1c0 [ 1145.879577] aoecmd_cfg+0x279/0x7f0 [ 1145.883206] ? find_held_lock+0x36/0x1c0 [ 1145.887265] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1145.891588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1145.897134] ? __lock_is_held+0xb5/0x140 [ 1145.901201] discover_timer+0x50/0x60 [ 1145.905016] call_timer_fn+0x272/0x920 [ 1145.908902] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1145.913741] ? process_timeout+0x40/0x40 [ 1145.917811] ? mark_held_locks+0xc7/0x130 [ 1145.921956] ? _raw_spin_unlock_irq+0x27/0x80 [ 1145.926447] ? _raw_spin_unlock_irq+0x27/0x80 [ 1145.930940] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1145.935788] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1145.940371] ? trace_hardirqs_on+0xbd/0x310 [ 1145.944700] ? kasan_check_read+0x11/0x20 [ 1145.948845] ? __run_timers+0x7da/0xc70 [ 1145.952818] ? trace_hardirqs_off_caller+0x310/0x310 [ 1145.957934] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1145.962778] __run_timers+0x7e5/0xc70 [ 1145.966582] ? timer_fixup_init+0x70/0x70 [ 1145.970728] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1145.975759] ? zap_class+0x640/0x640 [ 1145.979473] ? print_usage_bug+0xc0/0xc0 [ 1145.983531] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1145.988724] ? find_held_lock+0x36/0x1c0 [ 1145.992791] ? zap_class+0x640/0x640 [ 1145.996509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.002050] ? check_preemption_disabled+0x48/0x280 [ 1146.007077] ? __lock_is_held+0xb5/0x140 [ 1146.011139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.016682] ? check_preemption_disabled+0x48/0x280 [ 1146.021703] run_timer_softirq+0x52/0xb0 [ 1146.025768] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1146.030780] __do_softirq+0x308/0xb7e [ 1146.034580] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1146.039071] ? lock_downgrade+0x900/0x900 [ 1146.043223] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1146.048333] ? pvclock_read_flags+0x160/0x160 [ 1146.052826] ? lapic_next_event+0x5a/0x90 [ 1146.056972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.062510] ? kvm_clock_read+0x18/0x30 [ 1146.066481] ? kvm_sched_clock_read+0x9/0x20 [ 1146.071259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.076798] ? check_preemption_disabled+0x48/0x280 [ 1146.081821] irq_exit+0x17f/0x1c0 [ 1146.085277] smp_apic_timer_interrupt+0x1cb/0x760 [ 1146.090120] ? smp_reschedule_interrupt+0x109/0x650 [ 1146.095136] ? smp_call_function_single_interrupt+0x650/0x650 [ 1146.101014] ? interrupt_entry+0xb5/0xc0 [ 1146.105075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1146.110089] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1146.115111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.119953] ? trace_hardirqs_on_caller+0x310/0x310 [ 1146.124963] ? trace_hardirqs_on_caller+0x310/0x310 [ 1146.129973] ? task_prio+0x50/0x50 [ 1146.133513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.139045] ? check_preemption_disabled+0x48/0x280 [ 1146.144065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.148910] apic_timer_interrupt+0xf/0x20 [ 1146.153135] [ 1146.155368] RIP: 0010:console_unlock+0x102f/0x1190 [ 1146.160290] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1146.179266] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1146.186969] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1146.194234] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1146.201496] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1146.208761] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1146.216035] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1146.223309] ? netconsole_netdev_event+0x280/0x280 [ 1146.228240] ? console_unlock+0x1026/0x1190 [ 1146.232575] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1146.237241] ? vprintk_emit+0x846/0x990 [ 1146.241216] ? lock_release+0xa00/0xa00 [ 1146.245190] ? trace_hardirqs_on+0x70/0x310 [ 1146.249508] ? vprintk_default+0x28/0x30 [ 1146.253566] ? trace_hardirqs_off_caller+0x310/0x310 [ 1146.258671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.264221] vprintk_emit+0x391/0x990 [ 1146.268024] ? wake_up_klogd+0x180/0x180 [ 1146.272094] ? find_held_lock+0x11/0x1c0 [ 1146.276164] ? mark_held_locks+0xc7/0x130 [ 1146.280308] ? _raw_spin_unlock_irq+0x27/0x80 [ 1146.284801] ? _raw_spin_unlock_irq+0x27/0x80 [ 1146.289304] vprintk_default+0x28/0x30 [ 1146.293190] vprintk_func+0x7e/0x181 [ 1146.296899] printk+0xa7/0xcf [ 1146.299999] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1146.304756] ? _raw_spin_unlock_irq+0x60/0x80 [ 1146.309261] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1146.314540] dump_header+0x7cc/0xf72 [ 1146.318278] ? pagefault_out_of_memory+0x197/0x197 [ 1146.323211] ? __lock_acquire+0x62f/0x4c20 [ 1146.327444] ? print_usage_bug+0xc0/0xc0 [ 1146.331526] ? zap_class+0x640/0x640 [ 1146.335240] ? print_usage_bug+0xc0/0xc0 [ 1146.339303] ? print_usage_bug+0xc0/0xc0 [ 1146.343367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.348903] ? find_held_lock+0x36/0x1c0 [ 1146.352972] ? mark_held_locks+0xc7/0x130 [ 1146.357115] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1146.362211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1146.367315] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1146.371893] ? trace_hardirqs_on+0xbd/0x310 [ 1146.376213] ? kasan_check_read+0x11/0x20 [ 1146.380359] ? ___ratelimit+0x3b4/0x672 [ 1146.384331] ? trace_hardirqs_off_caller+0x310/0x310 [ 1146.389432] ? trace_hardirqs_on+0x310/0x310 [ 1146.393837] ? lock_downgrade+0x900/0x900 [ 1146.397986] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1146.403092] ? ___ratelimit+0x3b9/0x672 [ 1146.407065] ? idr_get_free+0xf70/0xf70 [ 1146.411039] ? find_held_lock+0x36/0x1c0 [ 1146.415110] oom_kill_process.cold.27+0x10/0x903 [ 1146.419861] ? zap_class+0x640/0x640 [ 1146.423583] ? check_preemption_disabled+0x48/0x280 [ 1146.428601] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1146.433527] ? kasan_check_read+0x11/0x20 [ 1146.437669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1146.442943] ? oom_evaluate_task+0x540/0x540 [ 1146.447354] ? find_held_lock+0x36/0x1c0 [ 1146.451419] ? out_of_memory+0x974/0x1430 [ 1146.455565] ? lock_downgrade+0x900/0x900 [ 1146.459719] ? check_preemption_disabled+0x48/0x280 [ 1146.464741] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1146.469663] ? kasan_check_read+0x11/0x20 [ 1146.473809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1146.479085] ? rcu_softirq_qs+0x20/0x20 [ 1146.483062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1146.488593] ? oom_evaluate_task+0x302/0x540 [ 1146.493000] out_of_memory+0xa84/0x1430 [ 1146.496979] ? oom_killer_disable+0x3a0/0x3a0 [ 1146.501474] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1146.506402] ? __ww_mutex_check_waiters+0x160/0x160 [ 1146.511427] __alloc_pages_slowpath+0x2354/0x2e10 [ 1146.516310] ? warn_alloc+0x120/0x120 [ 1146.520107] ? mark_held_locks+0x130/0x130 [ 1146.524342] ? find_get_entry+0xaae/0x1120 [ 1146.528581] ? filemap_map_pages+0x1a20/0x1a20 [ 1146.533167] ? zap_class+0x640/0x640 [ 1146.536882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1146.542415] ? check_preemption_disabled+0x48/0x280 [ 1146.547425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1146.552960] ? should_fail+0x22d/0xd01 [ 1146.556846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1146.561950] ? zap_class+0x640/0x640 [ 1146.565682] ? __lock_is_held+0xb5/0x140 [ 1146.569755] ? mark_held_locks+0x130/0x130 [ 1146.573988] ? lock_release+0xa00/0xa00 [ 1146.577958] ? perf_trace_sched_process_exec+0x860/0x860 [ 1146.583407] ? xa_load+0x2ba/0x460 [ 1146.586943] ? lock_downgrade+0x900/0x900 [ 1146.591093] ? __might_sleep+0x95/0x190 [ 1146.595073] __alloc_pages_nodemask+0xa80/0xde0 [ 1146.599762] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1146.604775] ? __page_cache_alloc+0x191/0x5c0 [ 1146.609267] ? xa_load+0x2e1/0x460 [ 1146.612803] ? xa_clear_mark+0x40/0x40 [ 1146.616690] ? zap_class+0x640/0x640 [ 1146.620413] ? zap_class+0x640/0x640 [ 1146.624121] ? zap_class+0x640/0x640 [ 1146.627831] ? __do_page_cache_readahead+0x663/0x810 [ 1146.632937] ? find_held_lock+0x36/0x1c0 [ 1146.637009] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1146.642551] alloc_pages_current+0x173/0x350 [ 1146.646960] __page_cache_alloc+0x38c/0x5c0 [ 1146.651277] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1146.656202] ? kasan_check_read+0x11/0x20 [ 1146.660344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1146.665623] ? generic_perform_write+0x6a0/0x6a0 [ 1146.670375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1146.675908] ? check_preemption_disabled+0x48/0x280 [ 1146.680930] filemap_fault+0x1595/0x25f0 [ 1146.684999] ? __lock_page_or_retry+0xa00/0xa00 [ 1146.689670] ? mark_held_locks+0x130/0x130 [ 1146.693917] ? filemap_map_pages+0xd6b/0x1a20 [ 1146.698410] ? lock_downgrade+0x900/0x900 [ 1146.702553] ? check_preemption_disabled+0x48/0x280 [ 1146.707568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1146.712494] ? kasan_check_read+0x11/0x20 [ 1146.716636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1146.721910] ? rcu_softirq_qs+0x20/0x20 [ 1146.725893] ? filemap_map_pages+0xd92/0x1a20 [ 1146.730401] ? find_get_entries_tag+0x1400/0x1400 [ 1146.735241] ? find_held_lock+0x36/0x1c0 [ 1146.739325] ? lock_acquire+0x1ed/0x520 [ 1146.743294] ? ext4_filemap_fault+0x7a/0xad [ 1146.747618] ? lock_release+0xa00/0xa00 [ 1146.751586] ? perf_trace_sched_process_exec+0x860/0x860 [ 1146.757036] ? print_usage_bug+0xc0/0xc0 [ 1146.761113] ? down_read+0x8d/0x120 [ 1146.764734] ? ext4_filemap_fault+0x7a/0xad [ 1146.769056] ? __down_interruptible+0x700/0x700 [ 1146.773725] ? find_held_lock+0x36/0x1c0 [ 1146.777784] ext4_filemap_fault+0x82/0xad [ 1146.781930] __do_fault+0x100/0x6b0 [ 1146.785569] ? lock_downgrade+0x900/0x900 [ 1146.789721] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1146.794823] ? kasan_check_read+0x11/0x20 [ 1146.798967] ? do_raw_spin_unlock+0xa7/0x330 [ 1146.803369] ? do_raw_spin_trylock+0x270/0x270 [ 1146.807958] __handle_mm_fault+0x3ea0/0x5be0 [ 1146.812360] ? perf_trace_lock+0x7a0/0x7a0 [ 1146.816598] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1146.821445] ? ksys_dup3+0x680/0x680 [ 1146.825170] ? zap_class+0x640/0x640 [ 1146.828879] ? zap_class+0x640/0x640 [ 1146.832589] ? __x64_sys_futex+0x53e/0x6a0 [ 1146.836821] ? find_held_lock+0x36/0x1c0 [ 1146.840890] ? handle_mm_fault+0x42a/0xc70 [ 1146.845125] ? lock_downgrade+0x900/0x900 [ 1146.849268] ? check_preemption_disabled+0x48/0x280 [ 1146.854284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1146.859208] ? kasan_check_read+0x11/0x20 [ 1146.863350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1146.868623] ? rcu_softirq_qs+0x20/0x20 [ 1146.872597] ? trace_hardirqs_off_caller+0x310/0x310 [ 1146.877702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1146.883236] ? check_preemption_disabled+0x48/0x280 [ 1146.888255] handle_mm_fault+0x54f/0xc70 [ 1146.892313] ? __handle_mm_fault+0x5be0/0x5be0 [ 1146.896899] ? find_vma+0x34/0x190 [ 1146.900441] __do_page_fault+0x5e8/0xe60 [ 1146.905024] ? trace_hardirqs_off+0xb8/0x310 [ 1146.909433] ? kernel_write+0x120/0x120 [ 1146.913421] do_page_fault+0xf2/0x7e0 [ 1146.917218] ? vmalloc_sync_all+0x30/0x30 [ 1146.921363] ? error_entry+0x70/0xd0 [ 1146.925085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1146.930096] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1146.935022] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1146.940039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.944877] ? trace_hardirqs_on_caller+0x310/0x310 [ 1146.949893] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1146.955342] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1146.960355] ? page_fault+0x8/0x30 [ 1146.963895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.968734] ? page_fault+0x8/0x30 [ 1146.972271] page_fault+0x1e/0x30 [ 1146.975717] RIP: 0033:0x404068 [ 1146.978918] Code: Bad RIP value. [ 1146.982273] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1146.987647] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1146.994931] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1147.002194] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1147.009456] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1147.016721] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1147.024010] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1147.024015] warn_alloc_show_mem: 1 callbacks suppressed [ 1147.024021] Mem-Info: [ 1147.031287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.036649] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1147.036649] active_file:12 inactive_file:9 isolated_file:0 [ 1147.036649] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1147.036649] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1147.036649] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1147.036649] free:13627 free_pcp:121 free_cma:0 [ 1147.039019] Call Trace: [ 1147.048398] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1147.081683] [ 1147.084245] 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 [ 1147.111908] dump_stack+0x244/0x39d [ 1147.114032] lowmem_reserve[]: 0 2818 6321 6321 [ 1147.140133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1147.143729] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1147.148312] warn_alloc.cold.116+0xb7/0x1bd [ 1147.153464] lowmem_reserve[]: 0 0 3503 3503 [ 1147.180778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1147.185075] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1147.189402] ? lock_downgrade+0x900/0x900 [ 1147.194207] lowmem_reserve[]: 0 0 0 0 [ 1147.222921] ? trace_hardirqs_off+0xb8/0x310 [ 1147.227037] 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 [ 1147.230887] ? trace_hardirqs_off+0xb8/0x310 [ 1147.235258] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1147.248786] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1147.253166] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1147.268791] ? warn_alloc+0x120/0x120 [ 1147.273587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1147.287005] ? print_usage_bug+0xc0/0xc0 [ 1147.290786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1147.299602] ? warn_alloc+0x120/0x120 [ 1147.303638] 4359 total pagecache pages [ 1147.312208] ? warn_alloc+0x120/0x120 [ 1147.315988] 0 pages in swap cache [ 1147.319860] ? print_usage_bug+0xc0/0xc0 [ 1147.323634] Swap cache stats: add 0, delete 0, find 0/0 [ 1147.327088] ? kvm_clock_read+0x18/0x30 [ 1147.331122] Free swap = 0kB [ 1147.336475] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1147.340422] Total swap = 0kB [ 1147.343427] ? print_usage_bug+0xc0/0xc0 [ 1147.348414] 1965979 pages RAM [ 1147.351419] ? __lock_acquire+0x62f/0x4c20 [ 1147.355448] 0 pages HighMem/MovableOnly [ 1147.355455] 342854 pages reserved [ 1147.358551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1147.362755] 0 pages cma reserved [ 1147.366720] ? should_fail+0x22d/0xd01 [ 1147.370221] aoe: skb alloc failure [ 1147.375667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1147.375685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1147.375701] ? __lock_acquire+0x62f/0x4c20 [ 1147.379079] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1147.382934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1147.386446] syz-fuzzer cpuset=/ mems_allowed=0 [ 1147.391707] ? __lock_acquire+0x62f/0x4c20 [ 1147.391722] ? should_fail+0x22d/0xd01 [ 1147.428953] ? rcu_irq_exit+0x1a2/0x390 [ 1147.432934] ? mark_held_locks+0x130/0x130 [ 1147.437173] ? mark_held_locks+0x130/0x130 [ 1147.441409] ? mark_held_locks+0xc7/0x130 [ 1147.445553] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1147.450568] ? zap_class+0x640/0x640 [ 1147.454282] ? print_usage_bug+0xc0/0xc0 [ 1147.458345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.463879] ? check_preemption_disabled+0x48/0x280 [ 1147.468905] ? __lock_is_held+0xb5/0x140 [ 1147.472971] __alloc_pages_nodemask+0xa80/0xde0 [ 1147.477661] ? zap_class+0x640/0x640 [ 1147.481398] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1147.486420] ? find_held_lock+0x36/0x1c0 [ 1147.491010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1147.495678] ? lock_downgrade+0x900/0x900 [ 1147.499831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.505370] cache_grow_begin+0xa5/0x8c0 [ 1147.509430] ? do_raw_spin_unlock+0xa7/0x330 [ 1147.513842] fallback_alloc+0x204/0x2e0 [ 1147.517819] ____cache_alloc_node+0x1c7/0x1e0 [ 1147.522315] kmem_cache_alloc_node+0xe3/0x730 [ 1147.526807] ? ipv6_get_ifaddr+0x42e/0x620 [ 1147.531046] __alloc_skb+0x119/0x770 [ 1147.534753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1147.540032] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1147.544436] ? lock_downgrade+0x900/0x900 [ 1147.548588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.554209] ? refcount_sub_and_test_checked+0x203/0x310 [ 1147.559661] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1147.565108] ? addrconf_rs_timer+0x690/0x690 [ 1147.569527] ndisc_alloc_skb+0x144/0x340 [ 1147.573592] ndisc_send_rs+0x331/0x6e0 [ 1147.577491] addrconf_rs_timer+0x314/0x690 [ 1147.581729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1147.585970] call_timer_fn+0x272/0x920 [ 1147.589853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1147.594082] ? process_timeout+0x40/0x40 [ 1147.598147] ? __run_timers+0x7da/0xc70 [ 1147.602122] ? _raw_spin_unlock_irq+0x27/0x80 [ 1147.606610] ? _raw_spin_unlock_irq+0x27/0x80 [ 1147.611107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1147.615343] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1147.619921] ? trace_hardirqs_on+0xbd/0x310 [ 1147.624325] ? kasan_check_read+0x11/0x20 [ 1147.628467] ? __run_timers+0x7da/0xc70 [ 1147.632446] ? trace_hardirqs_off_caller+0x310/0x310 [ 1147.637551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1147.641786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1147.646013] __run_timers+0x7e5/0xc70 [ 1147.649819] ? timer_fixup_init+0x70/0x70 [ 1147.653966] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1147.658978] ? zap_class+0x640/0x640 [ 1147.662695] ? enqueue_hrtimer+0x1a5/0x560 [ 1147.666927] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1147.672120] ? find_held_lock+0x36/0x1c0 [ 1147.676186] ? zap_class+0x640/0x640 [ 1147.679899] ? pvclock_read_flags+0x160/0x160 [ 1147.684391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.689926] ? check_preemption_disabled+0x48/0x280 [ 1147.694949] ? __lock_is_held+0xb5/0x140 [ 1147.699007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.704543] ? check_preemption_disabled+0x48/0x280 [ 1147.709562] run_timer_softirq+0x52/0xb0 [ 1147.713632] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1147.718648] __do_softirq+0x308/0xb7e [ 1147.722452] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1147.726950] ? lock_downgrade+0x900/0x900 [ 1147.731096] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1147.736202] ? pvclock_read_flags+0x160/0x160 [ 1147.740697] ? lapic_next_event+0x5a/0x90 [ 1147.744843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.750384] ? kvm_clock_read+0x18/0x30 [ 1147.754356] ? kvm_sched_clock_read+0x9/0x20 [ 1147.758761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.764293] ? check_preemption_disabled+0x48/0x280 [ 1147.769331] irq_exit+0x17f/0x1c0 [ 1147.772780] smp_apic_timer_interrupt+0x1cb/0x760 [ 1147.777622] ? smp_reschedule_interrupt+0x109/0x650 [ 1147.782656] ? smp_call_function_single_interrupt+0x650/0x650 [ 1147.788536] ? interrupt_entry+0xb5/0xc0 [ 1147.792595] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1147.797620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1147.802638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1147.807486] ? trace_hardirqs_on_caller+0x310/0x310 [ 1147.812498] ? trace_hardirqs_on_caller+0x310/0x310 [ 1147.817512] ? task_prio+0x50/0x50 [ 1147.821051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1147.826589] ? check_preemption_disabled+0x48/0x280 [ 1147.831624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1147.836474] apic_timer_interrupt+0xf/0x20 [ 1147.840697] [ 1147.842930] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1147.847857] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1147.866753] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1147.874455] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1147.881727] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1147.888988] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1147.896250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1147.903517] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1147.910822] skb_clone+0x1bb/0x500 [ 1147.914362] ? finish_task_switch+0x2f4/0x910 [ 1147.918855] ? skb_split+0x11e0/0x11e0 [ 1147.922737] ? preempt_notifier_register+0x200/0x200 [ 1147.927834] ? __switch_to_asm+0x34/0x70 [ 1147.931887] ? __switch_to_asm+0x34/0x70 [ 1147.935941] ? __switch_to_asm+0x40/0x70 [ 1147.939995] ? __switch_to_asm+0x34/0x70 [ 1147.944053] ? __switch_to_asm+0x40/0x70 [ 1147.948111] ? __switch_to_asm+0x34/0x70 [ 1147.952170] ? __switch_to_asm+0x40/0x70 [ 1147.956224] ? __switch_to_asm+0x34/0x70 [ 1147.960285] ? __switch_to_asm+0x34/0x70 [ 1147.964346] ? __switch_to_asm+0x40/0x70 [ 1147.968400] ? __switch_to_asm+0x34/0x70 [ 1147.972465] bpf_clone_redirect+0xb9/0x490 [ 1147.976700] ? __schedule+0x8d7/0x21d0 [ 1147.980601] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1147.985618] ? __sched_text_start+0x8/0x8 [ 1147.989775] ? find_held_lock+0x36/0x1c0 [ 1147.993846] ? lock_acquire+0x1ed/0x520 [ 1147.997816] ? bpf_test_run+0x3cb/0x780 [ 1148.001789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.007323] ? check_preemption_disabled+0x48/0x280 [ 1148.012341] ? kasan_check_read+0x11/0x20 [ 1148.016484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1148.021756] ? rcu_softirq_qs+0x20/0x20 [ 1148.025738] ? preempt_schedule+0x4d/0x60 [ 1148.029883] ? ___preempt_schedule+0x16/0x18 [ 1148.034293] ? bpf_test_run+0x25d/0x780 [ 1148.038276] ? netlink_diag_dump+0x2a0/0x2a0 [ 1148.042683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1148.048219] ? bpf_test_init.isra.10+0x70/0x100 [ 1148.052893] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1148.057658] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1148.062500] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1148.068032] ? fput+0x130/0x1a0 [ 1148.071846] ? __bpf_prog_get+0x9b/0x290 [ 1148.075910] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1148.080749] ? bpf_prog_test_run+0x130/0x1a0 [ 1148.085163] ? __x64_sys_bpf+0x3d8/0x520 [ 1148.089221] ? bpf_prog_get+0x20/0x20 [ 1148.093043] ? do_syscall_64+0x1b9/0x820 [ 1148.097102] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1148.102465] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1148.107388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.112228] ? trace_hardirqs_on_caller+0x310/0x310 [ 1148.117239] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1148.122255] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1148.127272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.132117] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1148.137498] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1148.137568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1148.144511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.144518] Call Trace: [ 1148.151159] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1148.160421] [ 1148.162992] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1148.173465] dump_stack+0x244/0x39d [ 1148.184302] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1148.189505] warn_alloc.cold.116+0xb7/0x1bd [ 1148.193827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1148.198667] ? lock_downgrade+0x900/0x900 [ 1148.202820] ? trace_hardirqs_off+0xb8/0x310 [ 1148.207231] ? trace_hardirqs_off+0xb8/0x310 [ 1148.211647] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1148.216511] ? warn_alloc+0x120/0x120 [ 1148.220314] ? warn_alloc+0x120/0x120 [ 1148.224116] ? __lock_acquire+0x62f/0x4c20 [ 1148.228351] ? warn_alloc+0x120/0x120 [ 1148.232151] ? print_usage_bug+0xc0/0xc0 [ 1148.236302] ? print_usage_bug+0xc0/0xc0 [ 1148.240363] ? mark_held_locks+0x130/0x130 [ 1148.244601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1148.250136] ? should_fail+0x22d/0xd01 [ 1148.254020] ? zap_class+0x640/0x640 [ 1148.257732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1148.262833] ? __lock_acquire+0x62f/0x4c20 [ 1148.267066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1148.272163] ? should_fail+0x22d/0xd01 [ 1148.276055] ? mark_held_locks+0x130/0x130 [ 1148.280287] ? mark_held_locks+0x130/0x130 [ 1148.284516] ? lock_downgrade+0x900/0x900 [ 1148.288661] ? zap_class+0x640/0x640 [ 1148.292370] ? zap_class+0x640/0x640 [ 1148.296079] ? zap_class+0x640/0x640 [ 1148.299787] ? do_raw_spin_unlock+0xa7/0x330 [ 1148.304195] ? trace_hardirqs_on+0x310/0x310 [ 1148.308598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.314133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.319667] ? check_preemption_disabled+0x48/0x280 [ 1148.324690] ? __lock_is_held+0xb5/0x140 [ 1148.328754] __alloc_pages_nodemask+0xa80/0xde0 [ 1148.333417] ? zap_class+0x640/0x640 [ 1148.337130] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1148.342152] ? find_held_lock+0x36/0x1c0 [ 1148.346230] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1148.350895] ? lock_downgrade+0x900/0x900 [ 1148.355054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.360599] cache_grow_begin+0xa5/0x8c0 [ 1148.364656] ? do_raw_spin_unlock+0xa7/0x330 [ 1148.369068] fallback_alloc+0x204/0x2e0 [ 1148.373044] ____cache_alloc_node+0x1c7/0x1e0 [ 1148.377542] kmem_cache_alloc_node+0xe3/0x730 [ 1148.382041] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1148.386630] __alloc_skb+0x119/0x770 [ 1148.390342] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1148.395706] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1148.400116] ? vprintk_default+0x28/0x30 [ 1148.404171] ? vprintk_func+0x85/0x181 [ 1148.408058] ? printk+0xa7/0xcf [ 1148.411334] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1148.416097] new_skb+0x26/0x1c0 [ 1148.419375] aoecmd_cfg+0x279/0x7f0 [ 1148.422998] ? find_held_lock+0x36/0x1c0 [ 1148.427056] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1148.431381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.437037] ? __lock_is_held+0xb5/0x140 [ 1148.441106] discover_timer+0x50/0x60 [ 1148.444904] call_timer_fn+0x272/0x920 [ 1148.448789] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1148.453627] ? process_timeout+0x40/0x40 [ 1148.457692] ? mark_held_locks+0xc7/0x130 [ 1148.461840] ? _raw_spin_unlock_irq+0x27/0x80 [ 1148.466328] ? _raw_spin_unlock_irq+0x27/0x80 [ 1148.470818] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1148.475655] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1148.480251] ? trace_hardirqs_on+0xbd/0x310 [ 1148.484574] ? kasan_check_read+0x11/0x20 [ 1148.488715] ? __run_timers+0x7da/0xc70 [ 1148.492687] ? trace_hardirqs_off_caller+0x310/0x310 [ 1148.497799] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1148.502635] __run_timers+0x7e5/0xc70 [ 1148.506442] ? timer_fixup_init+0x70/0x70 [ 1148.510590] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1148.515602] ? zap_class+0x640/0x640 [ 1148.519315] ? print_usage_bug+0xc0/0xc0 [ 1148.523375] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1148.528572] ? find_held_lock+0x36/0x1c0 [ 1148.532636] ? zap_class+0x640/0x640 [ 1148.536358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.541892] ? check_preemption_disabled+0x48/0x280 [ 1148.546921] ? __lock_is_held+0xb5/0x140 [ 1148.550978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.556511] ? check_preemption_disabled+0x48/0x280 [ 1148.561537] run_timer_softirq+0x52/0xb0 [ 1148.565602] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1148.570613] __do_softirq+0x308/0xb7e [ 1148.574412] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1148.578909] ? lock_downgrade+0x900/0x900 [ 1148.583055] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1148.588160] ? pvclock_read_flags+0x160/0x160 [ 1148.592655] ? lapic_next_event+0x5a/0x90 [ 1148.596800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.602340] ? kvm_clock_read+0x18/0x30 [ 1148.606309] ? kvm_sched_clock_read+0x9/0x20 [ 1148.610716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.616251] ? check_preemption_disabled+0x48/0x280 [ 1148.621274] irq_exit+0x17f/0x1c0 [ 1148.624727] smp_apic_timer_interrupt+0x1cb/0x760 [ 1148.629568] ? smp_reschedule_interrupt+0x109/0x650 [ 1148.634579] ? smp_call_function_single_interrupt+0x650/0x650 [ 1148.640460] ? interrupt_entry+0xb5/0xc0 [ 1148.644519] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1148.649544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1148.654561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.659399] ? trace_hardirqs_on_caller+0x310/0x310 [ 1148.664413] ? trace_hardirqs_on_caller+0x310/0x310 [ 1148.669425] ? task_prio+0x50/0x50 [ 1148.672967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.678500] ? check_preemption_disabled+0x48/0x280 [ 1148.683542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1148.688387] apic_timer_interrupt+0xf/0x20 [ 1148.692610] [ 1148.694841] RIP: 0010:console_unlock+0x102f/0x1190 [ 1148.699764] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1148.718672] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1148.726379] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1148.733728] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1148.740994] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1148.748258] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1148.755520] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1148.762885] ? netconsole_netdev_event+0x280/0x280 [ 1148.767820] ? console_unlock+0x1026/0x1190 [ 1148.772156] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1148.776821] ? vprintk_emit+0x846/0x990 [ 1148.780798] ? lock_release+0xa00/0xa00 [ 1148.784768] ? trace_hardirqs_on+0x70/0x310 [ 1148.789083] ? vprintk_default+0x28/0x30 [ 1148.793144] ? trace_hardirqs_off_caller+0x310/0x310 [ 1148.798249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.803788] vprintk_emit+0x391/0x990 [ 1148.807597] ? wake_up_klogd+0x180/0x180 [ 1148.811659] ? find_held_lock+0x11/0x1c0 [ 1148.815728] ? mark_held_locks+0xc7/0x130 [ 1148.819875] ? _raw_spin_unlock_irq+0x27/0x80 [ 1148.824367] ? _raw_spin_unlock_irq+0x27/0x80 [ 1148.828867] vprintk_default+0x28/0x30 [ 1148.832760] vprintk_func+0x7e/0x181 [ 1148.836472] printk+0xa7/0xcf [ 1148.839603] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1148.844372] ? _raw_spin_unlock_irq+0x60/0x80 [ 1148.848879] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1148.854167] dump_header+0x7cc/0xf72 [ 1148.857891] ? pagefault_out_of_memory+0x197/0x197 [ 1148.862919] ? __lock_acquire+0x62f/0x4c20 [ 1148.867156] ? print_usage_bug+0xc0/0xc0 [ 1148.871218] ? zap_class+0x640/0x640 [ 1148.874929] ? print_usage_bug+0xc0/0xc0 [ 1148.878990] ? print_usage_bug+0xc0/0xc0 [ 1148.883051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1148.888588] ? find_held_lock+0x36/0x1c0 [ 1148.892654] ? mark_held_locks+0xc7/0x130 [ 1148.896801] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1148.901903] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1148.907485] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1148.912077] ? trace_hardirqs_on+0xbd/0x310 [ 1148.916397] ? kasan_check_read+0x11/0x20 [ 1148.920543] ? ___ratelimit+0x3b4/0x672 [ 1148.924523] ? trace_hardirqs_off_caller+0x310/0x310 [ 1148.929623] ? trace_hardirqs_on+0x310/0x310 [ 1148.934026] ? lock_downgrade+0x900/0x900 [ 1148.938174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1148.943275] ? ___ratelimit+0x3b9/0x672 [ 1148.947250] ? idr_get_free+0xf70/0xf70 [ 1148.951219] ? find_held_lock+0x36/0x1c0 [ 1148.955286] oom_kill_process.cold.27+0x10/0x903 [ 1148.960038] ? zap_class+0x640/0x640 [ 1148.963749] ? check_preemption_disabled+0x48/0x280 [ 1148.968765] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1148.973690] ? kasan_check_read+0x11/0x20 [ 1148.977832] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1148.983105] ? oom_evaluate_task+0x540/0x540 [ 1148.987519] ? find_held_lock+0x36/0x1c0 [ 1148.991587] ? out_of_memory+0x974/0x1430 [ 1148.995735] ? lock_downgrade+0x900/0x900 [ 1148.999882] ? check_preemption_disabled+0x48/0x280 [ 1149.004905] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1149.009829] ? kasan_check_read+0x11/0x20 [ 1149.013974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1149.019245] ? rcu_softirq_qs+0x20/0x20 [ 1149.023220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1149.028757] ? oom_evaluate_task+0x302/0x540 [ 1149.033167] out_of_memory+0xa84/0x1430 [ 1149.037145] ? oom_killer_disable+0x3a0/0x3a0 [ 1149.041639] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1149.046571] ? __ww_mutex_check_waiters+0x160/0x160 [ 1149.051597] __alloc_pages_slowpath+0x2354/0x2e10 [ 1149.056562] ? warn_alloc+0x120/0x120 [ 1149.060357] ? mark_held_locks+0x130/0x130 [ 1149.064596] ? find_get_entry+0xaae/0x1120 [ 1149.068834] ? filemap_map_pages+0x1a20/0x1a20 [ 1149.073428] ? zap_class+0x640/0x640 [ 1149.077145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1149.082682] ? check_preemption_disabled+0x48/0x280 [ 1149.087694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1149.093242] ? should_fail+0x22d/0xd01 [ 1149.097129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1149.102230] ? zap_class+0x640/0x640 [ 1149.105968] ? __lock_is_held+0xb5/0x140 [ 1149.110035] ? mark_held_locks+0x130/0x130 [ 1149.114268] ? lock_release+0xa00/0xa00 [ 1149.118239] ? perf_trace_sched_process_exec+0x860/0x860 [ 1149.123702] ? xa_load+0x2ba/0x460 [ 1149.127240] ? lock_downgrade+0x900/0x900 [ 1149.131391] ? __might_sleep+0x95/0x190 [ 1149.135379] __alloc_pages_nodemask+0xa80/0xde0 [ 1149.140054] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1149.145067] ? __page_cache_alloc+0x191/0x5c0 [ 1149.149559] ? xa_load+0x2e1/0x460 [ 1149.153096] ? xa_clear_mark+0x40/0x40 [ 1149.156985] ? zap_class+0x640/0x640 [ 1149.160703] ? zap_class+0x640/0x640 [ 1149.164410] ? zap_class+0x640/0x640 [ 1149.168120] ? __do_page_cache_readahead+0x663/0x810 [ 1149.173228] ? find_held_lock+0x36/0x1c0 [ 1149.177288] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1149.182828] alloc_pages_current+0x173/0x350 [ 1149.187249] __page_cache_alloc+0x38c/0x5c0 [ 1149.191563] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1149.196486] ? kasan_check_read+0x11/0x20 [ 1149.200636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1149.205914] ? generic_perform_write+0x6a0/0x6a0 [ 1149.210671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1149.216205] ? check_preemption_disabled+0x48/0x280 [ 1149.221223] filemap_fault+0x1595/0x25f0 [ 1149.225291] ? __lock_page_or_retry+0xa00/0xa00 [ 1149.229959] ? mark_held_locks+0x130/0x130 [ 1149.234207] ? filemap_map_pages+0xd6b/0x1a20 [ 1149.238701] ? lock_downgrade+0x900/0x900 [ 1149.242843] ? check_preemption_disabled+0x48/0x280 [ 1149.247867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1149.252795] ? kasan_check_read+0x11/0x20 [ 1149.256938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1149.262212] ? rcu_softirq_qs+0x20/0x20 [ 1149.266198] ? filemap_map_pages+0xd92/0x1a20 [ 1149.270702] ? find_get_entries_tag+0x1400/0x1400 [ 1149.275538] ? find_held_lock+0x36/0x1c0 [ 1149.279618] ? lock_acquire+0x1ed/0x520 [ 1149.283587] ? ext4_filemap_fault+0x7a/0xad [ 1149.287913] ? lock_release+0xa00/0xa00 [ 1149.291880] ? perf_trace_sched_process_exec+0x860/0x860 [ 1149.297330] ? print_usage_bug+0xc0/0xc0 [ 1149.301401] ? down_read+0x8d/0x120 [ 1149.305024] ? ext4_filemap_fault+0x7a/0xad [ 1149.309344] ? __down_interruptible+0x700/0x700 [ 1149.314013] ? find_held_lock+0x36/0x1c0 [ 1149.318074] ext4_filemap_fault+0x82/0xad [ 1149.322219] __do_fault+0x100/0x6b0 [ 1149.325842] ? lock_downgrade+0x900/0x900 [ 1149.329991] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1149.335102] ? kasan_check_read+0x11/0x20 [ 1149.339247] ? do_raw_spin_unlock+0xa7/0x330 [ 1149.343651] ? do_raw_spin_trylock+0x270/0x270 [ 1149.348243] __handle_mm_fault+0x3ea0/0x5be0 [ 1149.352644] ? perf_trace_lock+0x7a0/0x7a0 [ 1149.356884] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1149.361731] ? ksys_dup3+0x680/0x680 [ 1149.365451] ? zap_class+0x640/0x640 [ 1149.369168] ? zap_class+0x640/0x640 [ 1149.372875] ? __x64_sys_futex+0x53e/0x6a0 [ 1149.377124] ? find_held_lock+0x36/0x1c0 [ 1149.381190] ? handle_mm_fault+0x42a/0xc70 [ 1149.385422] ? lock_downgrade+0x900/0x900 [ 1149.389567] ? check_preemption_disabled+0x48/0x280 [ 1149.394584] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1149.399511] ? kasan_check_read+0x11/0x20 [ 1149.403652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1149.408922] ? rcu_softirq_qs+0x20/0x20 [ 1149.412894] ? trace_hardirqs_off_caller+0x310/0x310 [ 1149.417995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1149.423528] ? check_preemption_disabled+0x48/0x280 [ 1149.428550] handle_mm_fault+0x54f/0xc70 [ 1149.432611] ? __handle_mm_fault+0x5be0/0x5be0 [ 1149.437193] ? find_vma+0x34/0x190 [ 1149.440734] __do_page_fault+0x5e8/0xe60 [ 1149.444788] ? trace_hardirqs_off+0xb8/0x310 [ 1149.449192] ? kernel_write+0x120/0x120 [ 1149.453175] do_page_fault+0xf2/0x7e0 [ 1149.456972] ? vmalloc_sync_all+0x30/0x30 [ 1149.461114] ? error_entry+0x70/0xd0 [ 1149.464824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1149.469842] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1149.474770] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1149.479693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1149.484536] ? trace_hardirqs_on_caller+0x310/0x310 [ 1149.489550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1149.495003] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1149.500015] ? page_fault+0x8/0x30 [ 1149.503555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1149.508394] ? page_fault+0x8/0x30 [ 1149.511934] page_fault+0x1e/0x30 [ 1149.515379] RIP: 0033:0x404068 [ 1149.518581] Code: Bad RIP value. [ 1149.521937] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1149.527293] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1149.534558] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1149.541822] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1149.549087] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1149.556350] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1149.563631] warn_alloc_show_mem: 1 callbacks suppressed [ 1149.563640] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1149.563642] Mem-Info: [ 1149.563672] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1149.563672] active_file:12 inactive_file:9 isolated_file:0 [ 1149.563672] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1149.563672] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1149.563672] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1149.563672] free:13627 free_pcp:121 free_cma:0 [ 1149.569004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.569011] Call Trace: [ 1149.576286] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1149.578676] [ 1149.611532] 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 [ 1149.620885] dump_stack+0x244/0x39d [ 1149.623438] lowmem_reserve[]: 0 2818 6321 6321 [ 1149.651109] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1149.653230] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1149.679357] warn_alloc.cold.116+0xb7/0x1bd [ 1149.682949] lowmem_reserve[]: 0 0 3503 3503 [ 1149.687523] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1149.692685] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1149.719999] ? lock_downgrade+0x900/0x900 [ 1149.724290] lowmem_reserve[]: 0 0 0 0 [ 1149.728608] ? trace_hardirqs_off+0xb8/0x310 [ 1149.733418] 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 [ 1149.762125] ? trace_hardirqs_off+0xb8/0x310 [ 1149.766243] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1149.770041] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1149.774416] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1149.787956] ? warn_alloc+0x120/0x120 [ 1149.792324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1149.807912] ? print_usage_bug+0xc0/0xc0 [ 1149.812732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1149.826167] ? warn_alloc+0x120/0x120 [ 1149.829941] 4359 total pagecache pages [ 1149.838769] ? warn_alloc+0x120/0x120 [ 1149.842822] 0 pages in swap cache [ 1149.851369] ? print_usage_bug+0xc0/0xc0 [ 1149.855142] Swap cache stats: add 0, delete 0, find 0/0 [ 1149.859014] ? kvm_clock_read+0x18/0x30 [ 1149.862785] Free swap = 0kB [ 1149.866225] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1149.870256] Total swap = 0kB [ 1149.875607] ? print_usage_bug+0xc0/0xc0 [ 1149.879551] 1965979 pages RAM [ 1149.882560] ? __lock_acquire+0x62f/0x4c20 [ 1149.887547] 0 pages HighMem/MovableOnly [ 1149.890558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1149.894589] 342854 pages reserved [ 1149.897681] ? should_fail+0x22d/0xd01 [ 1149.901885] 0 pages cma reserved [ 1149.905845] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1149.911419] aoe: skb alloc failure [ 1149.914796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1149.918713] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1149.922017] ? __lock_acquire+0x62f/0x4c20 [ 1149.927264] syz-fuzzer cpuset=/ mems_allowed=0 [ 1149.930796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1149.960039] ? __lock_acquire+0x62f/0x4c20 [ 1149.964267] ? should_fail+0x22d/0xd01 [ 1149.968152] ? rcu_irq_exit+0x1a2/0x390 [ 1149.972132] ? mark_held_locks+0x130/0x130 [ 1149.976368] ? mark_held_locks+0x130/0x130 [ 1149.980608] ? mark_held_locks+0xc7/0x130 [ 1149.984751] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1149.989762] ? zap_class+0x640/0x640 [ 1149.993471] ? print_usage_bug+0xc0/0xc0 [ 1149.997531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.003070] ? check_preemption_disabled+0x48/0x280 [ 1150.008090] ? __lock_is_held+0xb5/0x140 [ 1150.012156] __alloc_pages_nodemask+0xa80/0xde0 [ 1150.016819] ? zap_class+0x640/0x640 [ 1150.020538] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1150.025560] ? find_held_lock+0x36/0x1c0 [ 1150.029627] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1150.034297] ? lock_downgrade+0x900/0x900 [ 1150.038463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.044000] cache_grow_begin+0xa5/0x8c0 [ 1150.048055] ? do_raw_spin_unlock+0xa7/0x330 [ 1150.052469] fallback_alloc+0x204/0x2e0 [ 1150.056465] ____cache_alloc_node+0x1c7/0x1e0 [ 1150.060965] kmem_cache_alloc_node+0xe3/0x730 [ 1150.065458] ? ipv6_get_ifaddr+0x42e/0x620 [ 1150.069700] __alloc_skb+0x119/0x770 [ 1150.073929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1150.079215] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1150.083620] ? lock_downgrade+0x900/0x900 [ 1150.087770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.093306] ? refcount_sub_and_test_checked+0x203/0x310 [ 1150.098757] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1150.104204] ? addrconf_rs_timer+0x690/0x690 [ 1150.108623] ndisc_alloc_skb+0x144/0x340 [ 1150.112688] ndisc_send_rs+0x331/0x6e0 [ 1150.116576] addrconf_rs_timer+0x314/0x690 [ 1150.120812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1150.125052] call_timer_fn+0x272/0x920 [ 1150.128938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1150.133170] ? process_timeout+0x40/0x40 [ 1150.137236] ? __run_timers+0x7da/0xc70 [ 1150.141214] ? _raw_spin_unlock_irq+0x27/0x80 [ 1150.145702] ? _raw_spin_unlock_irq+0x27/0x80 [ 1150.150194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1150.154433] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1150.159017] ? trace_hardirqs_on+0xbd/0x310 [ 1150.163719] ? kasan_check_read+0x11/0x20 [ 1150.167863] ? __run_timers+0x7da/0xc70 [ 1150.171838] ? trace_hardirqs_off_caller+0x310/0x310 [ 1150.176950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1150.181188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1150.185424] __run_timers+0x7e5/0xc70 [ 1150.189229] ? timer_fixup_init+0x70/0x70 [ 1150.193378] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1150.198391] ? zap_class+0x640/0x640 [ 1150.202112] ? enqueue_hrtimer+0x1a5/0x560 [ 1150.206345] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1150.211538] ? find_held_lock+0x36/0x1c0 [ 1150.215600] ? zap_class+0x640/0x640 [ 1150.219316] ? pvclock_read_flags+0x160/0x160 [ 1150.223810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.229343] ? check_preemption_disabled+0x48/0x280 [ 1150.234363] ? __lock_is_held+0xb5/0x140 [ 1150.238426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.243960] ? check_preemption_disabled+0x48/0x280 [ 1150.248977] run_timer_softirq+0x52/0xb0 [ 1150.253032] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1150.258045] __do_softirq+0x308/0xb7e [ 1150.261845] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1150.266337] ? lock_downgrade+0x900/0x900 [ 1150.270484] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1150.275592] ? pvclock_read_flags+0x160/0x160 [ 1150.280087] ? lapic_next_event+0x5a/0x90 [ 1150.284234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.289777] ? kvm_clock_read+0x18/0x30 [ 1150.293746] ? kvm_sched_clock_read+0x9/0x20 [ 1150.298153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.303689] ? check_preemption_disabled+0x48/0x280 [ 1150.308803] irq_exit+0x17f/0x1c0 [ 1150.312258] smp_apic_timer_interrupt+0x1cb/0x760 [ 1150.317106] ? smp_reschedule_interrupt+0x109/0x650 [ 1150.322135] ? smp_call_function_single_interrupt+0x650/0x650 [ 1150.328023] ? interrupt_entry+0xb5/0xc0 [ 1150.332085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1150.337100] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1150.342114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1150.346955] ? trace_hardirqs_on_caller+0x310/0x310 [ 1150.351968] ? trace_hardirqs_on_caller+0x310/0x310 [ 1150.356985] ? task_prio+0x50/0x50 [ 1150.360540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.366188] ? check_preemption_disabled+0x48/0x280 [ 1150.371213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1150.376063] apic_timer_interrupt+0xf/0x20 [ 1150.380289] [ 1150.382527] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1150.387453] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1150.406350] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1150.414053] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1150.421318] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1150.428583] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1150.435855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1150.443129] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1150.450468] skb_clone+0x1bb/0x500 [ 1150.454012] ? finish_task_switch+0x2f4/0x910 [ 1150.458508] ? skb_split+0x11e0/0x11e0 [ 1150.462399] ? preempt_notifier_register+0x200/0x200 [ 1150.467509] ? __switch_to_asm+0x34/0x70 [ 1150.471566] ? __switch_to_asm+0x34/0x70 [ 1150.475621] ? __switch_to_asm+0x40/0x70 [ 1150.479677] ? __switch_to_asm+0x34/0x70 [ 1150.483730] ? __switch_to_asm+0x40/0x70 [ 1150.487790] ? __switch_to_asm+0x34/0x70 [ 1150.491848] ? __switch_to_asm+0x40/0x70 [ 1150.495908] ? __switch_to_asm+0x34/0x70 [ 1150.499963] ? __switch_to_asm+0x34/0x70 [ 1150.504019] ? __switch_to_asm+0x40/0x70 [ 1150.508071] ? __switch_to_asm+0x34/0x70 [ 1150.512133] bpf_clone_redirect+0xb9/0x490 [ 1150.516364] ? __schedule+0x8d7/0x21d0 [ 1150.520267] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1150.525286] ? __sched_text_start+0x8/0x8 [ 1150.529442] ? find_held_lock+0x36/0x1c0 [ 1150.533506] ? lock_acquire+0x1ed/0x520 [ 1150.537476] ? bpf_test_run+0x3cb/0x780 [ 1150.541448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.546984] ? check_preemption_disabled+0x48/0x280 [ 1150.552007] ? kasan_check_read+0x11/0x20 [ 1150.556150] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1150.561427] ? rcu_softirq_qs+0x20/0x20 [ 1150.565405] ? preempt_schedule+0x4d/0x60 [ 1150.569550] ? ___preempt_schedule+0x16/0x18 [ 1150.574047] ? bpf_test_run+0x25d/0x780 [ 1150.578032] ? netlink_diag_dump+0x2a0/0x2a0 [ 1150.583485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1150.589018] ? bpf_test_init.isra.10+0x70/0x100 [ 1150.593690] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1150.598469] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1150.603320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1150.608865] ? fput+0x130/0x1a0 [ 1150.612147] ? __bpf_prog_get+0x9b/0x290 [ 1150.616214] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1150.621053] ? bpf_prog_test_run+0x130/0x1a0 [ 1150.625470] ? __x64_sys_bpf+0x3d8/0x520 [ 1150.629623] ? bpf_prog_get+0x20/0x20 [ 1150.633457] ? do_syscall_64+0x1b9/0x820 [ 1150.637525] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1150.642890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1150.647818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1150.652670] ? trace_hardirqs_on_caller+0x310/0x310 [ 1150.657698] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1150.662718] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1150.667743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1150.672601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1150.677988] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1150.678050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1150.685002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1150.685009] Call Trace: [ 1150.691558] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1150.700818] [ 1150.703400] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1150.713874] dump_stack+0x244/0x39d [ 1150.724698] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1150.729898] warn_alloc.cold.116+0xb7/0x1bd [ 1150.734217] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1150.739062] ? lock_downgrade+0x900/0x900 [ 1150.743215] ? trace_hardirqs_off+0xb8/0x310 [ 1150.747627] ? trace_hardirqs_off+0xb8/0x310 [ 1150.752038] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1150.756908] ? warn_alloc+0x120/0x120 [ 1150.760709] ? warn_alloc+0x120/0x120 [ 1150.764516] ? warn_alloc+0x120/0x120 [ 1150.768318] ? print_usage_bug+0xc0/0xc0 [ 1150.772387] ? print_usage_bug+0xc0/0xc0 [ 1150.776442] ? ktime_get+0x2c1/0x400 [ 1150.780162] ? check_preemption_disabled+0x48/0x280 [ 1150.785171] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1150.789669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1150.795202] ? should_fail+0x22d/0xd01 [ 1150.799086] ? kasan_check_read+0x11/0x20 [ 1150.803233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1150.808334] ? __lock_acquire+0x62f/0x4c20 [ 1150.812577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1150.817674] ? should_fail+0x22d/0xd01 [ 1150.821556] ? print_usage_bug+0xc0/0xc0 [ 1150.825624] ? mark_held_locks+0x130/0x130 [ 1150.829859] ? mark_held_locks+0x130/0x130 [ 1150.834093] ? check_preemption_disabled+0x48/0x280 [ 1150.839114] ? zap_class+0x640/0x640 [ 1150.842830] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1150.847586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.853119] ? check_preemption_disabled+0x48/0x280 [ 1150.858140] ? __lock_is_held+0xb5/0x140 [ 1150.862205] __alloc_pages_nodemask+0xa80/0xde0 [ 1150.866870] ? zap_class+0x640/0x640 [ 1150.870584] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1150.875610] ? find_held_lock+0x36/0x1c0 [ 1150.879676] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1150.884342] ? lock_downgrade+0x900/0x900 [ 1150.888501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.894036] cache_grow_begin+0xa5/0x8c0 [ 1150.898093] ? do_raw_spin_unlock+0xa7/0x330 [ 1150.902996] fallback_alloc+0x204/0x2e0 [ 1150.906977] ____cache_alloc_node+0x1c7/0x1e0 [ 1150.911474] kmem_cache_alloc_node+0xe3/0x730 [ 1150.915967] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1150.920558] __alloc_skb+0x119/0x770 [ 1150.924271] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1150.929633] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1150.934047] ? vprintk_default+0x28/0x30 [ 1150.938103] ? vprintk_func+0x85/0x181 [ 1150.941990] ? printk+0xa7/0xcf [ 1150.945264] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1150.950026] new_skb+0x26/0x1c0 [ 1150.953301] aoecmd_cfg+0x279/0x7f0 [ 1150.956924] ? find_held_lock+0x36/0x1c0 [ 1150.960980] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1150.965304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.970847] ? __lock_is_held+0xb5/0x140 [ 1150.974915] discover_timer+0x50/0x60 [ 1150.978711] call_timer_fn+0x272/0x920 [ 1150.982601] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1150.987451] ? process_timeout+0x40/0x40 [ 1150.991548] ? mark_held_locks+0xc7/0x130 [ 1150.995719] ? _raw_spin_unlock_irq+0x27/0x80 [ 1151.000223] ? _raw_spin_unlock_irq+0x27/0x80 [ 1151.004722] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1151.009562] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1151.014150] ? trace_hardirqs_on+0xbd/0x310 [ 1151.018473] ? kasan_check_read+0x11/0x20 [ 1151.022628] ? __run_timers+0x7da/0xc70 [ 1151.026612] ? trace_hardirqs_off_caller+0x310/0x310 [ 1151.031744] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1151.036595] __run_timers+0x7e5/0xc70 [ 1151.040412] ? timer_fixup_init+0x70/0x70 [ 1151.044564] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1151.049584] ? zap_class+0x640/0x640 [ 1151.053298] ? print_usage_bug+0xc0/0xc0 [ 1151.057364] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1151.062560] ? find_held_lock+0x36/0x1c0 [ 1151.066624] ? zap_class+0x640/0x640 [ 1151.070337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.075884] ? check_preemption_disabled+0x48/0x280 [ 1151.080908] ? __lock_is_held+0xb5/0x140 [ 1151.084970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.090503] ? check_preemption_disabled+0x48/0x280 [ 1151.095522] run_timer_softirq+0x52/0xb0 [ 1151.099584] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1151.104599] __do_softirq+0x308/0xb7e [ 1151.108405] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1151.112897] ? lock_downgrade+0x900/0x900 [ 1151.117048] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1151.122154] ? pvclock_read_flags+0x160/0x160 [ 1151.126650] ? lapic_next_event+0x5a/0x90 [ 1151.130798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.136342] ? kvm_clock_read+0x18/0x30 [ 1151.140310] ? kvm_sched_clock_read+0x9/0x20 [ 1151.144729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.150368] ? check_preemption_disabled+0x48/0x280 [ 1151.155386] irq_exit+0x17f/0x1c0 [ 1151.158836] smp_apic_timer_interrupt+0x1cb/0x760 [ 1151.163830] ? smp_reschedule_interrupt+0x109/0x650 [ 1151.168846] ? smp_call_function_single_interrupt+0x650/0x650 [ 1151.174726] ? interrupt_entry+0xb5/0xc0 [ 1151.178786] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1151.183813] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1151.188825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1151.193663] ? trace_hardirqs_on_caller+0x310/0x310 [ 1151.198674] ? trace_hardirqs_on_caller+0x310/0x310 [ 1151.203689] ? task_prio+0x50/0x50 [ 1151.207231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.212764] ? check_preemption_disabled+0x48/0x280 [ 1151.217778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1151.222624] apic_timer_interrupt+0xf/0x20 [ 1151.226848] [ 1151.229083] RIP: 0010:console_unlock+0x102f/0x1190 [ 1151.234009] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1151.252904] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1151.260610] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1151.267878] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1151.275145] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1151.282412] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1151.289677] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1151.296950] ? netconsole_netdev_event+0x280/0x280 [ 1151.301880] ? console_unlock+0x1026/0x1190 [ 1151.306215] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1151.310881] ? vprintk_emit+0x846/0x990 [ 1151.314854] ? lock_release+0xa00/0xa00 [ 1151.318823] ? trace_hardirqs_on+0x70/0x310 [ 1151.323141] ? vprintk_default+0x28/0x30 [ 1151.327198] ? trace_hardirqs_off_caller+0x310/0x310 [ 1151.332302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.337845] vprintk_emit+0x391/0x990 [ 1151.341645] ? wake_up_klogd+0x180/0x180 [ 1151.345711] ? find_held_lock+0x11/0x1c0 [ 1151.349778] ? mark_held_locks+0xc7/0x130 [ 1151.353936] ? _raw_spin_unlock_irq+0x27/0x80 [ 1151.358426] ? _raw_spin_unlock_irq+0x27/0x80 [ 1151.362919] vprintk_default+0x28/0x30 [ 1151.366804] vprintk_func+0x7e/0x181 [ 1151.370512] printk+0xa7/0xcf [ 1151.373617] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1151.378370] ? _raw_spin_unlock_irq+0x60/0x80 [ 1151.382877] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1151.388157] dump_header+0x7cc/0xf72 [ 1151.391881] ? pagefault_out_of_memory+0x197/0x197 [ 1151.396812] ? __lock_acquire+0x62f/0x4c20 [ 1151.401046] ? print_usage_bug+0xc0/0xc0 [ 1151.405113] ? zap_class+0x640/0x640 [ 1151.408830] ? print_usage_bug+0xc0/0xc0 [ 1151.412891] ? print_usage_bug+0xc0/0xc0 [ 1151.416952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.422575] ? find_held_lock+0x36/0x1c0 [ 1151.426644] ? mark_held_locks+0xc7/0x130 [ 1151.430794] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1151.435890] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1151.440992] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1151.445571] ? trace_hardirqs_on+0xbd/0x310 [ 1151.449889] ? kasan_check_read+0x11/0x20 [ 1151.454037] ? ___ratelimit+0x3b4/0x672 [ 1151.458014] ? trace_hardirqs_off_caller+0x310/0x310 [ 1151.463112] ? trace_hardirqs_on+0x310/0x310 [ 1151.467518] ? lock_downgrade+0x900/0x900 [ 1151.471668] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1151.476774] ? ___ratelimit+0x3b9/0x672 [ 1151.480751] ? idr_get_free+0xf70/0xf70 [ 1151.484722] ? find_held_lock+0x36/0x1c0 [ 1151.488790] oom_kill_process.cold.27+0x10/0x903 [ 1151.493545] ? zap_class+0x640/0x640 [ 1151.497254] ? check_preemption_disabled+0x48/0x280 [ 1151.502271] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1151.507193] ? kasan_check_read+0x11/0x20 [ 1151.511340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1151.516613] ? oom_evaluate_task+0x540/0x540 [ 1151.521019] ? find_held_lock+0x36/0x1c0 [ 1151.525088] ? out_of_memory+0x974/0x1430 [ 1151.529232] ? lock_downgrade+0x900/0x900 [ 1151.533375] ? check_preemption_disabled+0x48/0x280 [ 1151.538394] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1151.543324] ? kasan_check_read+0x11/0x20 [ 1151.547466] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1151.552738] ? rcu_softirq_qs+0x20/0x20 [ 1151.556715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1151.562244] ? oom_evaluate_task+0x302/0x540 [ 1151.566652] out_of_memory+0xa84/0x1430 [ 1151.570631] ? oom_killer_disable+0x3a0/0x3a0 [ 1151.575123] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1151.580049] ? __ww_mutex_check_waiters+0x160/0x160 [ 1151.585071] __alloc_pages_slowpath+0x2354/0x2e10 [ 1151.589940] ? warn_alloc+0x120/0x120 [ 1151.593735] ? mark_held_locks+0x130/0x130 [ 1151.597970] ? find_get_entry+0xaae/0x1120 [ 1151.602213] ? filemap_map_pages+0x1a20/0x1a20 [ 1151.606798] ? zap_class+0x640/0x640 [ 1151.610512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1151.616045] ? check_preemption_disabled+0x48/0x280 [ 1151.621059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1151.626595] ? should_fail+0x22d/0xd01 [ 1151.630485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1151.635584] ? zap_class+0x640/0x640 [ 1151.639330] ? __lock_is_held+0xb5/0x140 [ 1151.643396] ? mark_held_locks+0x130/0x130 [ 1151.647628] ? lock_release+0xa00/0xa00 [ 1151.651614] ? perf_trace_sched_process_exec+0x860/0x860 [ 1151.657062] ? xa_load+0x2ba/0x460 [ 1151.660597] ? lock_downgrade+0x900/0x900 [ 1151.664751] ? __might_sleep+0x95/0x190 [ 1151.668729] __alloc_pages_nodemask+0xa80/0xde0 [ 1151.673402] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1151.678415] ? __page_cache_alloc+0x191/0x5c0 [ 1151.682909] ? xa_load+0x2e1/0x460 [ 1151.686450] ? xa_clear_mark+0x40/0x40 [ 1151.690332] ? zap_class+0x640/0x640 [ 1151.694049] ? zap_class+0x640/0x640 [ 1151.697759] ? zap_class+0x640/0x640 [ 1151.701467] ? __do_page_cache_readahead+0x663/0x810 [ 1151.706569] ? find_held_lock+0x36/0x1c0 [ 1151.710630] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1151.716177] alloc_pages_current+0x173/0x350 [ 1151.720597] __page_cache_alloc+0x38c/0x5c0 [ 1151.724924] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1151.730380] ? kasan_check_read+0x11/0x20 [ 1151.734547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1151.739833] ? generic_perform_write+0x6a0/0x6a0 [ 1151.744599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1151.750143] ? check_preemption_disabled+0x48/0x280 [ 1151.755180] filemap_fault+0x1595/0x25f0 [ 1151.759263] ? __lock_page_or_retry+0xa00/0xa00 [ 1151.763952] ? mark_held_locks+0x130/0x130 [ 1151.768202] ? filemap_map_pages+0xd6b/0x1a20 [ 1151.772699] ? lock_downgrade+0x900/0x900 [ 1151.776846] ? check_preemption_disabled+0x48/0x280 [ 1151.781863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1151.786805] ? kasan_check_read+0x11/0x20 [ 1151.790952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1151.796227] ? rcu_softirq_qs+0x20/0x20 [ 1151.800209] ? filemap_map_pages+0xd92/0x1a20 [ 1151.804713] ? find_get_entries_tag+0x1400/0x1400 [ 1151.809550] ? find_held_lock+0x36/0x1c0 [ 1151.813696] ? lock_acquire+0x1ed/0x520 [ 1151.817674] ? ext4_filemap_fault+0x7a/0xad [ 1151.821997] ? lock_release+0xa00/0xa00 [ 1151.825979] ? perf_trace_sched_process_exec+0x860/0x860 [ 1151.831426] ? print_usage_bug+0xc0/0xc0 [ 1151.835504] ? down_read+0x8d/0x120 [ 1151.839128] ? ext4_filemap_fault+0x7a/0xad [ 1151.843446] ? __down_interruptible+0x700/0x700 [ 1151.848113] ? find_held_lock+0x36/0x1c0 [ 1151.852174] ext4_filemap_fault+0x82/0xad [ 1151.856321] __do_fault+0x100/0x6b0 [ 1151.859950] ? lock_downgrade+0x900/0x900 [ 1151.864095] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1151.869198] ? kasan_check_read+0x11/0x20 [ 1151.873341] ? do_raw_spin_unlock+0xa7/0x330 [ 1151.877746] ? do_raw_spin_trylock+0x270/0x270 [ 1151.882340] __handle_mm_fault+0x3ea0/0x5be0 [ 1151.886743] ? perf_trace_lock+0x7a0/0x7a0 [ 1151.890981] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1151.895830] ? ksys_dup3+0x680/0x680 [ 1151.899554] ? zap_class+0x640/0x640 [ 1151.903262] ? zap_class+0x640/0x640 [ 1151.906979] ? __x64_sys_futex+0x53e/0x6a0 [ 1151.911214] ? find_held_lock+0x36/0x1c0 [ 1151.915285] ? handle_mm_fault+0x42a/0xc70 [ 1151.919520] ? lock_downgrade+0x900/0x900 [ 1151.923668] ? check_preemption_disabled+0x48/0x280 [ 1151.928688] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1151.933614] ? kasan_check_read+0x11/0x20 [ 1151.937760] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1151.943033] ? rcu_softirq_qs+0x20/0x20 [ 1151.947003] ? trace_hardirqs_off_caller+0x310/0x310 [ 1151.952105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1151.957643] ? check_preemption_disabled+0x48/0x280 [ 1151.962665] handle_mm_fault+0x54f/0xc70 [ 1151.966726] ? __handle_mm_fault+0x5be0/0x5be0 [ 1151.971315] ? find_vma+0x34/0x190 [ 1151.974855] __do_page_fault+0x5e8/0xe60 [ 1151.978910] ? trace_hardirqs_off+0xb8/0x310 [ 1151.983310] ? kernel_write+0x120/0x120 [ 1151.987298] do_page_fault+0xf2/0x7e0 [ 1151.991096] ? vmalloc_sync_all+0x30/0x30 [ 1151.995239] ? error_entry+0x70/0xd0 [ 1151.998973] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1152.003984] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1152.008908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1152.013831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1152.018672] ? trace_hardirqs_on_caller+0x310/0x310 [ 1152.023682] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1152.029138] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1152.034151] ? page_fault+0x8/0x30 [ 1152.037691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1152.042532] ? page_fault+0x8/0x30 [ 1152.046072] page_fault+0x1e/0x30 [ 1152.049517] RIP: 0033:0x404068 [ 1152.052720] Code: Bad RIP value. [ 1152.056074] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1152.061435] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1152.068700] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1152.076451] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1152.083719] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1152.090984] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1152.098284] warn_alloc_show_mem: 1 callbacks suppressed [ 1152.098293] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1152.098295] Mem-Info: [ 1152.098326] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1152.098326] active_file:12 inactive_file:9 isolated_file:0 [ 1152.098326] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1152.098326] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1152.098326] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1152.098326] free:13627 free_pcp:121 free_cma:0 [ 1152.103660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1152.110931] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1152.113324] Call Trace: [ 1152.146182] 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 [ 1152.155524] [ 1152.183179] lowmem_reserve[]: 0 2818 6321 6321 [ 1152.185770] dump_stack+0x244/0x39d [ 1152.211844] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1152.213992] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1152.218533] lowmem_reserve[]: 0 0 3503 3503 [ 1152.222165] warn_alloc.cold.116+0xb7/0x1bd [ 1152.249452] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1152.254638] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1152.258931] lowmem_reserve[]: 0 0 0 0 [ 1152.263255] ? lock_downgrade+0x900/0x900 [ 1152.291937] 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 [ 1152.296777] ? trace_hardirqs_off+0xb8/0x310 [ 1152.300543] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1152.304688] ? trace_hardirqs_off+0xb8/0x310 [ 1152.318192] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1152.322595] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1152.338176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1152.342610] ? warn_alloc+0x120/0x120 [ 1152.356002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1152.360829] ? print_usage_bug+0xc0/0xc0 [ 1152.369637] 4359 total pagecache pages [ 1152.373426] ? warn_alloc+0x120/0x120 [ 1152.381980] 0 pages in swap cache [ 1152.386025] ? warn_alloc+0x120/0x120 [ 1152.389887] Swap cache stats: add 0, delete 0, find 0/0 [ 1152.393673] ? print_usage_bug+0xc0/0xc0 [ 1152.397098] Free swap = 0kB [ 1152.400892] ? kvm_clock_read+0x18/0x30 [ 1152.406225] Total swap = 0kB [ 1152.410280] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1152.413270] 1965979 pages RAM [ 1152.417230] ? print_usage_bug+0xc0/0xc0 [ 1152.420225] 0 pages HighMem/MovableOnly [ 1152.420232] 342854 pages reserved [ 1152.425248] ? __lock_acquire+0x62f/0x4c20 [ 1152.428325] 0 pages cma reserved [ 1152.432374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1152.436366] aoe: skb alloc failure [ 1152.439765] ? should_fail+0x22d/0xd01 [ 1152.443995] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1152.447327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1152.452833] syz-fuzzer cpuset=/ mems_allowed=0 [ 1152.456360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1152.485353] ? __lock_acquire+0x62f/0x4c20 [ 1152.489591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1152.494687] ? __lock_acquire+0x62f/0x4c20 [ 1152.498916] ? should_fail+0x22d/0xd01 [ 1152.502794] ? rcu_irq_exit+0x1a2/0x390 [ 1152.506774] ? mark_held_locks+0x130/0x130 [ 1152.511009] ? mark_held_locks+0x130/0x130 [ 1152.515255] ? mark_held_locks+0xc7/0x130 [ 1152.519397] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1152.524408] ? zap_class+0x640/0x640 [ 1152.528124] ? print_usage_bug+0xc0/0xc0 [ 1152.532190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.537728] ? check_preemption_disabled+0x48/0x280 [ 1152.542748] ? __lock_is_held+0xb5/0x140 [ 1152.546810] __alloc_pages_nodemask+0xa80/0xde0 [ 1152.551477] ? zap_class+0x640/0x640 [ 1152.555197] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1152.560236] ? find_held_lock+0x36/0x1c0 [ 1152.564303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1152.568971] ? lock_downgrade+0x900/0x900 [ 1152.573129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.578666] cache_grow_begin+0xa5/0x8c0 [ 1152.582725] ? do_raw_spin_unlock+0xa7/0x330 [ 1152.587137] fallback_alloc+0x204/0x2e0 [ 1152.591115] ____cache_alloc_node+0x1c7/0x1e0 [ 1152.595613] kmem_cache_alloc_node+0xe3/0x730 [ 1152.600112] ? ipv6_get_ifaddr+0x42e/0x620 [ 1152.604356] __alloc_skb+0x119/0x770 [ 1152.608065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1152.613345] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1152.617748] ? lock_downgrade+0x900/0x900 [ 1152.621899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.627430] ? refcount_sub_and_test_checked+0x203/0x310 [ 1152.632879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1152.638338] ? addrconf_rs_timer+0x690/0x690 [ 1152.642758] ndisc_alloc_skb+0x144/0x340 [ 1152.646826] ndisc_send_rs+0x331/0x6e0 [ 1152.650715] addrconf_rs_timer+0x314/0x690 [ 1152.654951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1152.659192] call_timer_fn+0x272/0x920 [ 1152.663078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1152.667315] ? process_timeout+0x40/0x40 [ 1152.671377] ? __run_timers+0x7da/0xc70 [ 1152.675347] ? _raw_spin_unlock_irq+0x27/0x80 [ 1152.679837] ? _raw_spin_unlock_irq+0x27/0x80 [ 1152.684327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1152.688559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1152.693138] ? trace_hardirqs_on+0xbd/0x310 [ 1152.697456] ? kasan_check_read+0x11/0x20 [ 1152.701601] ? __run_timers+0x7da/0xc70 [ 1152.705571] ? trace_hardirqs_off_caller+0x310/0x310 [ 1152.710672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1152.714907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1152.719139] __run_timers+0x7e5/0xc70 [ 1152.722947] ? timer_fixup_init+0x70/0x70 [ 1152.727095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1152.732111] ? zap_class+0x640/0x640 [ 1152.735828] ? enqueue_hrtimer+0x1a5/0x560 [ 1152.740062] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1152.745256] ? find_held_lock+0x36/0x1c0 [ 1152.749318] ? zap_class+0x640/0x640 [ 1152.753218] ? pvclock_read_flags+0x160/0x160 [ 1152.757713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.763246] ? check_preemption_disabled+0x48/0x280 [ 1152.768270] ? __lock_is_held+0xb5/0x140 [ 1152.772332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.777869] ? check_preemption_disabled+0x48/0x280 [ 1152.782885] run_timer_softirq+0x52/0xb0 [ 1152.786942] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1152.791959] __do_softirq+0x308/0xb7e [ 1152.795773] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1152.800266] ? lock_downgrade+0x900/0x900 [ 1152.804413] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1152.809522] ? pvclock_read_flags+0x160/0x160 [ 1152.814016] ? lapic_next_event+0x5a/0x90 [ 1152.818162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.823700] ? kvm_clock_read+0x18/0x30 [ 1152.827668] ? kvm_sched_clock_read+0x9/0x20 [ 1152.832085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.837618] ? check_preemption_disabled+0x48/0x280 [ 1152.842642] irq_exit+0x17f/0x1c0 [ 1152.846098] smp_apic_timer_interrupt+0x1cb/0x760 [ 1152.850937] ? smp_reschedule_interrupt+0x109/0x650 [ 1152.855949] ? smp_call_function_single_interrupt+0x650/0x650 [ 1152.861833] ? interrupt_entry+0xb5/0xc0 [ 1152.865893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1152.870905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1152.875918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1152.880769] ? trace_hardirqs_on_caller+0x310/0x310 [ 1152.885783] ? trace_hardirqs_on_caller+0x310/0x310 [ 1152.890798] ? task_prio+0x50/0x50 [ 1152.894337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1152.899869] ? check_preemption_disabled+0x48/0x280 [ 1152.905255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1152.910109] apic_timer_interrupt+0xf/0x20 [ 1152.914336] [ 1152.916572] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1152.921498] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1152.940483] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1152.948183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1152.955450] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1152.962719] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1152.969984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1152.977252] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1152.984562] skb_clone+0x1bb/0x500 [ 1152.988100] ? finish_task_switch+0x2f4/0x910 [ 1152.992598] ? skb_split+0x11e0/0x11e0 [ 1152.996482] ? preempt_notifier_register+0x200/0x200 [ 1153.001577] ? __switch_to_asm+0x34/0x70 [ 1153.005636] ? __switch_to_asm+0x34/0x70 [ 1153.009690] ? __switch_to_asm+0x40/0x70 [ 1153.013745] ? __switch_to_asm+0x34/0x70 [ 1153.017801] ? __switch_to_asm+0x40/0x70 [ 1153.021855] ? __switch_to_asm+0x34/0x70 [ 1153.025909] ? __switch_to_asm+0x40/0x70 [ 1153.029963] ? __switch_to_asm+0x34/0x70 [ 1153.034022] ? __switch_to_asm+0x34/0x70 [ 1153.038082] ? __switch_to_asm+0x40/0x70 [ 1153.042135] ? __switch_to_asm+0x34/0x70 [ 1153.046203] bpf_clone_redirect+0xb9/0x490 [ 1153.050436] ? __schedule+0x8d7/0x21d0 [ 1153.054331] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1153.059347] ? __sched_text_start+0x8/0x8 [ 1153.063506] ? find_held_lock+0x36/0x1c0 [ 1153.067573] ? lock_acquire+0x1ed/0x520 [ 1153.072018] ? bpf_test_run+0x3cb/0x780 [ 1153.075996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.081538] ? check_preemption_disabled+0x48/0x280 [ 1153.086557] ? kasan_check_read+0x11/0x20 [ 1153.090703] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1153.095976] ? rcu_softirq_qs+0x20/0x20 [ 1153.099952] ? preempt_schedule+0x4d/0x60 [ 1153.104099] ? ___preempt_schedule+0x16/0x18 [ 1153.108513] ? bpf_test_run+0x25d/0x780 [ 1153.112495] ? netlink_diag_dump+0x2a0/0x2a0 [ 1153.116902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1153.122436] ? bpf_test_init.isra.10+0x70/0x100 [ 1153.127109] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1153.131873] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1153.136710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1153.142266] ? fput+0x130/0x1a0 [ 1153.145541] ? __bpf_prog_get+0x9b/0x290 [ 1153.149600] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1153.154434] ? bpf_prog_test_run+0x130/0x1a0 [ 1153.158841] ? __x64_sys_bpf+0x3d8/0x520 [ 1153.162897] ? bpf_prog_get+0x20/0x20 [ 1153.166711] ? do_syscall_64+0x1b9/0x820 [ 1153.170765] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1153.176127] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1153.181055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1153.185899] ? trace_hardirqs_on_caller+0x310/0x310 [ 1153.190911] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1153.195925] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1153.200947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1153.205797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1153.211180] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1153.211241] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1153.218198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1153.218202] Call Trace: [ 1153.218208] [ 1153.218224] dump_stack+0x244/0x39d [ 1153.218243] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1153.229558] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1153.234085] warn_alloc.cold.116+0xb7/0x1bd [ 1153.236638] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1153.238779] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1153.272253] ? lock_downgrade+0x900/0x900 [ 1153.276409] ? trace_hardirqs_off+0xb8/0x310 [ 1153.280819] ? trace_hardirqs_off+0xb8/0x310 [ 1153.285234] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1153.290104] ? warn_alloc+0x120/0x120 [ 1153.293905] ? warn_alloc+0x120/0x120 [ 1153.297702] ? __lock_acquire+0x62f/0x4c20 [ 1153.301935] ? warn_alloc+0x120/0x120 [ 1153.305734] ? print_usage_bug+0xc0/0xc0 [ 1153.309795] ? print_usage_bug+0xc0/0xc0 [ 1153.313855] ? mark_held_locks+0x130/0x130 [ 1153.318091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1153.323797] ? should_fail+0x22d/0xd01 [ 1153.327677] ? zap_class+0x640/0x640 [ 1153.331390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1153.336495] ? __lock_acquire+0x62f/0x4c20 [ 1153.340730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1153.345827] ? should_fail+0x22d/0xd01 [ 1153.349721] ? mark_held_locks+0x130/0x130 [ 1153.353957] ? mark_held_locks+0x130/0x130 [ 1153.358196] ? lock_downgrade+0x900/0x900 [ 1153.362341] ? zap_class+0x640/0x640 [ 1153.366054] ? zap_class+0x640/0x640 [ 1153.369768] ? zap_class+0x640/0x640 [ 1153.373476] ? do_raw_spin_unlock+0xa7/0x330 [ 1153.377883] ? trace_hardirqs_on+0x310/0x310 [ 1153.382287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.387826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.393365] ? check_preemption_disabled+0x48/0x280 [ 1153.398384] ? __lock_is_held+0xb5/0x140 [ 1153.402446] __alloc_pages_nodemask+0xa80/0xde0 [ 1153.407111] ? zap_class+0x640/0x640 [ 1153.410825] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1153.415848] ? find_held_lock+0x36/0x1c0 [ 1153.419916] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1153.424583] ? lock_downgrade+0x900/0x900 [ 1153.428735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.434274] cache_grow_begin+0xa5/0x8c0 [ 1153.438335] ? do_raw_spin_unlock+0xa7/0x330 [ 1153.442752] fallback_alloc+0x204/0x2e0 [ 1153.446728] ____cache_alloc_node+0x1c7/0x1e0 [ 1153.451225] kmem_cache_alloc_node+0xe3/0x730 [ 1153.455722] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1153.460330] __alloc_skb+0x119/0x770 [ 1153.464036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1153.469400] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1153.473813] ? vprintk_default+0x28/0x30 [ 1153.477869] ? vprintk_func+0x85/0x181 [ 1153.481756] ? printk+0xa7/0xcf [ 1153.485032] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1153.489795] new_skb+0x26/0x1c0 [ 1153.493075] aoecmd_cfg+0x279/0x7f0 [ 1153.496702] ? find_held_lock+0x36/0x1c0 [ 1153.500762] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1153.505089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.510636] ? __lock_is_held+0xb5/0x140 [ 1153.514706] discover_timer+0x50/0x60 [ 1153.518505] call_timer_fn+0x272/0x920 [ 1153.522391] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1153.527255] ? process_timeout+0x40/0x40 [ 1153.531338] ? mark_held_locks+0xc7/0x130 [ 1153.535486] ? _raw_spin_unlock_irq+0x27/0x80 [ 1153.539980] ? _raw_spin_unlock_irq+0x27/0x80 [ 1153.544470] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1153.549307] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1153.553886] ? trace_hardirqs_on+0xbd/0x310 [ 1153.558202] ? kasan_check_read+0x11/0x20 [ 1153.562348] ? __run_timers+0x7da/0xc70 [ 1153.566323] ? trace_hardirqs_off_caller+0x310/0x310 [ 1153.571437] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1153.576272] __run_timers+0x7e5/0xc70 [ 1153.580078] ? timer_fixup_init+0x70/0x70 [ 1153.584225] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1153.589241] ? zap_class+0x640/0x640 [ 1153.592959] ? print_usage_bug+0xc0/0xc0 [ 1153.597021] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1153.602217] ? find_held_lock+0x36/0x1c0 [ 1153.606280] ? zap_class+0x640/0x640 [ 1153.609996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.615534] ? check_preemption_disabled+0x48/0x280 [ 1153.620558] ? __lock_is_held+0xb5/0x140 [ 1153.624696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.630230] ? check_preemption_disabled+0x48/0x280 [ 1153.635250] run_timer_softirq+0x52/0xb0 [ 1153.639307] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1153.644323] __do_softirq+0x308/0xb7e [ 1153.648125] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1153.652622] ? lock_downgrade+0x900/0x900 [ 1153.656770] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1153.661881] ? pvclock_read_flags+0x160/0x160 [ 1153.666375] ? lapic_next_event+0x5a/0x90 [ 1153.670521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.676060] ? kvm_clock_read+0x18/0x30 [ 1153.680034] ? kvm_sched_clock_read+0x9/0x20 [ 1153.684441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.689974] ? check_preemption_disabled+0x48/0x280 [ 1153.694994] irq_exit+0x17f/0x1c0 [ 1153.698445] smp_apic_timer_interrupt+0x1cb/0x760 [ 1153.703286] ? smp_reschedule_interrupt+0x109/0x650 [ 1153.708302] ? smp_call_function_single_interrupt+0x650/0x650 [ 1153.714186] ? interrupt_entry+0xb5/0xc0 [ 1153.718255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1153.723265] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1153.728278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1153.733116] ? trace_hardirqs_on_caller+0x310/0x310 [ 1153.738140] ? trace_hardirqs_on_caller+0x310/0x310 [ 1153.743159] ? task_prio+0x50/0x50 [ 1153.746697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.752236] ? check_preemption_disabled+0x48/0x280 [ 1153.757254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1153.762101] apic_timer_interrupt+0xf/0x20 [ 1153.766329] [ 1153.768565] RIP: 0010:console_unlock+0x102f/0x1190 [ 1153.773490] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1153.792389] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1153.800091] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1153.807353] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1153.814621] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1153.821883] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1153.829155] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1153.836434] ? netconsole_netdev_event+0x280/0x280 [ 1153.841365] ? console_unlock+0x1026/0x1190 [ 1153.845700] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1153.850361] ? vprintk_emit+0x846/0x990 [ 1153.854336] ? lock_release+0xa00/0xa00 [ 1153.858306] ? trace_hardirqs_on+0x70/0x310 [ 1153.862624] ? vprintk_default+0x28/0x30 [ 1153.866681] ? trace_hardirqs_off_caller+0x310/0x310 [ 1153.871784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.877323] vprintk_emit+0x391/0x990 [ 1153.881131] ? wake_up_klogd+0x180/0x180 [ 1153.885199] ? find_held_lock+0x11/0x1c0 [ 1153.889267] ? mark_held_locks+0xc7/0x130 [ 1153.893412] ? _raw_spin_unlock_irq+0x27/0x80 [ 1153.897900] ? _raw_spin_unlock_irq+0x27/0x80 [ 1153.902396] vprintk_default+0x28/0x30 [ 1153.906369] vprintk_func+0x7e/0x181 [ 1153.910082] printk+0xa7/0xcf [ 1153.913186] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1153.917940] ? _raw_spin_unlock_irq+0x60/0x80 [ 1153.922444] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1153.927728] dump_header+0x7cc/0xf72 [ 1153.931451] ? pagefault_out_of_memory+0x197/0x197 [ 1153.936386] ? __lock_acquire+0x62f/0x4c20 [ 1153.940620] ? print_usage_bug+0xc0/0xc0 [ 1153.944683] ? zap_class+0x640/0x640 [ 1153.948400] ? print_usage_bug+0xc0/0xc0 [ 1153.952462] ? print_usage_bug+0xc0/0xc0 [ 1153.956528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1153.962065] ? find_held_lock+0x36/0x1c0 [ 1153.966138] ? mark_held_locks+0xc7/0x130 [ 1153.970282] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1153.975383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1153.980490] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1153.985071] ? trace_hardirqs_on+0xbd/0x310 [ 1153.989392] ? kasan_check_read+0x11/0x20 [ 1153.993534] ? ___ratelimit+0x3b4/0x672 [ 1153.997510] ? trace_hardirqs_off_caller+0x310/0x310 [ 1154.002615] ? trace_hardirqs_on+0x310/0x310 [ 1154.007020] ? lock_downgrade+0x900/0x900 [ 1154.011169] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1154.016265] ? ___ratelimit+0x3b9/0x672 [ 1154.020236] ? idr_get_free+0xf70/0xf70 [ 1154.024205] ? find_held_lock+0x36/0x1c0 [ 1154.028272] oom_kill_process.cold.27+0x10/0x903 [ 1154.033025] ? zap_class+0x640/0x640 [ 1154.036737] ? check_preemption_disabled+0x48/0x280 [ 1154.041755] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1154.046683] ? kasan_check_read+0x11/0x20 [ 1154.050827] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1154.056101] ? oom_evaluate_task+0x540/0x540 [ 1154.060520] ? find_held_lock+0x36/0x1c0 [ 1154.064586] ? out_of_memory+0x974/0x1430 [ 1154.068735] ? lock_downgrade+0x900/0x900 [ 1154.073334] ? check_preemption_disabled+0x48/0x280 [ 1154.078360] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1154.083285] ? kasan_check_read+0x11/0x20 [ 1154.087433] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1154.092706] ? rcu_softirq_qs+0x20/0x20 [ 1154.096685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1154.102217] ? oom_evaluate_task+0x302/0x540 [ 1154.106627] out_of_memory+0xa84/0x1430 [ 1154.110610] ? oom_killer_disable+0x3a0/0x3a0 [ 1154.115114] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1154.120042] ? __ww_mutex_check_waiters+0x160/0x160 [ 1154.125067] __alloc_pages_slowpath+0x2354/0x2e10 [ 1154.129942] ? warn_alloc+0x120/0x120 [ 1154.133743] ? mark_held_locks+0x130/0x130 [ 1154.137978] ? find_get_entry+0xaae/0x1120 [ 1154.142228] ? filemap_map_pages+0x1a20/0x1a20 [ 1154.146810] ? zap_class+0x640/0x640 [ 1154.150552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1154.156089] ? check_preemption_disabled+0x48/0x280 [ 1154.161117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1154.166648] ? should_fail+0x22d/0xd01 [ 1154.170544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1154.175643] ? zap_class+0x640/0x640 [ 1154.179377] ? __lock_is_held+0xb5/0x140 [ 1154.183444] ? mark_held_locks+0x130/0x130 [ 1154.187683] ? lock_release+0xa00/0xa00 [ 1154.191659] ? perf_trace_sched_process_exec+0x860/0x860 [ 1154.197114] ? xa_load+0x2ba/0x460 [ 1154.200650] ? lock_downgrade+0x900/0x900 [ 1154.204799] ? __might_sleep+0x95/0x190 [ 1154.208774] __alloc_pages_nodemask+0xa80/0xde0 [ 1154.213445] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1154.218467] ? __page_cache_alloc+0x191/0x5c0 [ 1154.222957] ? xa_load+0x2e1/0x460 [ 1154.226495] ? xa_clear_mark+0x40/0x40 [ 1154.230381] ? zap_class+0x640/0x640 [ 1154.234107] ? zap_class+0x640/0x640 [ 1154.237814] ? zap_class+0x640/0x640 [ 1154.241616] ? __do_page_cache_readahead+0x663/0x810 [ 1154.246746] ? find_held_lock+0x36/0x1c0 [ 1154.250808] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1154.256348] alloc_pages_current+0x173/0x350 [ 1154.260759] __page_cache_alloc+0x38c/0x5c0 [ 1154.265075] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1154.270006] ? kasan_check_read+0x11/0x20 [ 1154.274152] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1154.279431] ? generic_perform_write+0x6a0/0x6a0 [ 1154.284188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1154.289725] ? check_preemption_disabled+0x48/0x280 [ 1154.294744] filemap_fault+0x1595/0x25f0 [ 1154.298813] ? __lock_page_or_retry+0xa00/0xa00 [ 1154.303481] ? mark_held_locks+0x130/0x130 [ 1154.307724] ? filemap_map_pages+0xd6b/0x1a20 [ 1154.312217] ? lock_downgrade+0x900/0x900 [ 1154.316361] ? check_preemption_disabled+0x48/0x280 [ 1154.321375] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1154.326300] ? kasan_check_read+0x11/0x20 [ 1154.330444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1154.335720] ? rcu_softirq_qs+0x20/0x20 [ 1154.339704] ? filemap_map_pages+0xd92/0x1a20 [ 1154.344206] ? find_get_entries_tag+0x1400/0x1400 [ 1154.349042] ? find_held_lock+0x36/0x1c0 [ 1154.353121] ? lock_acquire+0x1ed/0x520 [ 1154.357097] ? ext4_filemap_fault+0x7a/0xad [ 1154.361426] ? lock_release+0xa00/0xa00 [ 1154.365398] ? perf_trace_sched_process_exec+0x860/0x860 [ 1154.370849] ? print_usage_bug+0xc0/0xc0 [ 1154.374923] ? down_read+0x8d/0x120 [ 1154.378542] ? ext4_filemap_fault+0x7a/0xad [ 1154.382859] ? __down_interruptible+0x700/0x700 [ 1154.387526] ? find_held_lock+0x36/0x1c0 [ 1154.391590] ext4_filemap_fault+0x82/0xad [ 1154.395734] __do_fault+0x100/0x6b0 [ 1154.399362] ? lock_downgrade+0x900/0x900 [ 1154.403509] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1154.408613] ? kasan_check_read+0x11/0x20 [ 1154.412757] ? do_raw_spin_unlock+0xa7/0x330 [ 1154.417160] ? do_raw_spin_trylock+0x270/0x270 [ 1154.421838] __handle_mm_fault+0x3ea0/0x5be0 [ 1154.426244] ? perf_trace_lock+0x7a0/0x7a0 [ 1154.430483] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1154.435331] ? ksys_dup3+0x680/0x680 [ 1154.439055] ? zap_class+0x640/0x640 [ 1154.442769] ? zap_class+0x640/0x640 [ 1154.446478] ? __x64_sys_futex+0x53e/0x6a0 [ 1154.450714] ? find_held_lock+0x36/0x1c0 [ 1154.454779] ? handle_mm_fault+0x42a/0xc70 [ 1154.459017] ? lock_downgrade+0x900/0x900 [ 1154.463166] ? check_preemption_disabled+0x48/0x280 [ 1154.468179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1154.473110] ? kasan_check_read+0x11/0x20 [ 1154.477254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1154.482528] ? rcu_softirq_qs+0x20/0x20 [ 1154.486501] ? trace_hardirqs_off_caller+0x310/0x310 [ 1154.491603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1154.497136] ? check_preemption_disabled+0x48/0x280 [ 1154.502154] handle_mm_fault+0x54f/0xc70 [ 1154.506213] ? __handle_mm_fault+0x5be0/0x5be0 [ 1154.510795] ? find_vma+0x34/0x190 [ 1154.514339] __do_page_fault+0x5e8/0xe60 [ 1154.518395] ? trace_hardirqs_off+0xb8/0x310 [ 1154.522798] ? kernel_write+0x120/0x120 [ 1154.526776] do_page_fault+0xf2/0x7e0 [ 1154.530575] ? vmalloc_sync_all+0x30/0x30 [ 1154.534718] ? error_entry+0x70/0xd0 [ 1154.538426] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1154.543446] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1154.548376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1154.553301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1154.558143] ? trace_hardirqs_on_caller+0x310/0x310 [ 1154.563158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1154.568608] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1154.573618] ? page_fault+0x8/0x30 [ 1154.577157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1154.582000] ? page_fault+0x8/0x30 [ 1154.585541] page_fault+0x1e/0x30 [ 1154.588986] RIP: 0033:0x404068 [ 1154.592185] Code: Bad RIP value. [ 1154.595542] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1154.600898] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1154.608161] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1154.615425] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1154.622695] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1154.629957] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1154.637242] warn_alloc_show_mem: 1 callbacks suppressed [ 1154.637253] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1154.637255] Mem-Info: [ 1154.637287] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1154.637287] active_file:12 inactive_file:9 isolated_file:0 [ 1154.637287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1154.637287] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1154.637287] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1154.637287] free:13627 free_pcp:121 free_cma:0 [ 1154.642645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1154.649920] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1154.652309] Call Trace: [ 1154.685169] 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 [ 1154.694519] dump_stack+0x244/0x39d [ 1154.722154] lowmem_reserve[]: 0 2818 6321 6321 [ 1154.724744] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1154.750820] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1154.754450] warn_alloc.cold.116+0xb7/0x1bd [ 1154.758989] lowmem_reserve[]: 0 0 3503 3503 [ 1154.764178] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1154.791490] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1154.795810] ? lock_downgrade+0x900/0x900 [ 1154.800104] lowmem_reserve[]: 0 0 0 0 [ 1154.804948] ? trace_hardirqs_off+0xb8/0x310 [ 1154.833629] 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 [ 1154.837773] ? trace_hardirqs_off+0xb8/0x310 [ 1154.841539] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1154.845945] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1154.859433] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1154.863865] ? warn_alloc+0x120/0x120 [ 1154.879441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1154.884271] ? warn_alloc+0x120/0x120 [ 1154.897692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1154.901476] ? dev_hard_start_xmit+0x42c/0xc80 [ 1154.910809] 4359 total pagecache pages [ 1154.910828] 0 pages in swap cache [ 1154.914635] ? warn_alloc+0x120/0x120 [ 1154.923175] Swap cache stats: add 0, delete 0, find 0/0 [ 1154.927743] ? print_usage_bug+0xc0/0xc0 [ 1154.931616] Free swap = 0kB [ 1154.935072] ? print_usage_bug+0xc0/0xc0 [ 1154.938845] Total swap = 0kB [ 1154.944200] ? cpuacct_charge+0x265/0x440 [ 1154.948231] 1965979 pages RAM [ 1154.951240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1154.955267] 0 pages HighMem/MovableOnly [ 1154.955275] 342854 pages reserved [ 1154.958282] ? should_fail+0x22d/0xd01 [ 1154.962404] 0 pages cma reserved [ 1154.965497] ? find_held_lock+0x36/0x1c0 [ 1154.971067] aoe: skb alloc failure [ 1154.974971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1154.978453] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1154.982275] ? __lock_acquire+0x62f/0x4c20 [ 1154.985613] syz-fuzzer cpuset=/ mems_allowed=0 [ 1154.989663] ? should_fail+0x22d/0xd01 [ 1155.021136] ? __update_load_avg_blocked_se+0x690/0x690 [ 1155.026508] ? mark_held_locks+0x130/0x130 [ 1155.030746] ? mark_held_locks+0x130/0x130 [ 1155.034981] ? __lock_acquire+0x62f/0x4c20 [ 1155.039215] ? update_load_avg+0x387/0x2470 [ 1155.043542] ? zap_class+0x640/0x640 [ 1155.047261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.052801] ? check_preemption_disabled+0x48/0x280 [ 1155.057825] ? __lock_is_held+0xb5/0x140 [ 1155.061894] __alloc_pages_nodemask+0xa80/0xde0 [ 1155.066561] ? zap_class+0x640/0x640 [ 1155.070739] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1155.075767] ? find_held_lock+0x36/0x1c0 [ 1155.079840] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1155.084513] ? lock_downgrade+0x900/0x900 [ 1155.088670] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1155.094215] cache_grow_begin+0xa5/0x8c0 [ 1155.098271] ? do_raw_spin_unlock+0xa7/0x330 [ 1155.102688] fallback_alloc+0x204/0x2e0 [ 1155.106669] ____cache_alloc_node+0x1c7/0x1e0 [ 1155.111167] kmem_cache_alloc+0x1f8/0x730 [ 1155.115327] skb_clone+0x1bb/0x500 [ 1155.118867] ? finish_task_switch+0x2f4/0x910 [ 1155.123366] ? skb_split+0x11e0/0x11e0 [ 1155.127252] ? preempt_notifier_register+0x200/0x200 [ 1155.132354] ? __switch_to_asm+0x34/0x70 [ 1155.136415] ? __switch_to_asm+0x34/0x70 [ 1155.140470] ? __switch_to_asm+0x40/0x70 [ 1155.144525] ? __switch_to_asm+0x34/0x70 [ 1155.148581] ? __switch_to_asm+0x40/0x70 [ 1155.152652] ? __switch_to_asm+0x34/0x70 [ 1155.156708] ? __switch_to_asm+0x40/0x70 [ 1155.160764] ? __switch_to_asm+0x34/0x70 [ 1155.164827] ? __switch_to_asm+0x34/0x70 [ 1155.168888] ? __switch_to_asm+0x40/0x70 [ 1155.172948] ? __switch_to_asm+0x34/0x70 [ 1155.177022] bpf_clone_redirect+0xb9/0x490 [ 1155.181259] ? __schedule+0x8d7/0x21d0 [ 1155.185153] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1155.190170] ? __sched_text_start+0x8/0x8 [ 1155.194329] ? find_held_lock+0x36/0x1c0 [ 1155.198400] ? lock_acquire+0x1ed/0x520 [ 1155.202372] ? bpf_test_run+0x3cb/0x780 [ 1155.206345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.211886] ? check_preemption_disabled+0x48/0x280 [ 1155.216913] ? kasan_check_read+0x11/0x20 [ 1155.221061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1155.226336] ? rcu_softirq_qs+0x20/0x20 [ 1155.230311] ? preempt_schedule+0x4d/0x60 [ 1155.234456] ? ___preempt_schedule+0x16/0x18 [ 1155.238874] ? bpf_test_run+0x25d/0x780 [ 1155.242868] ? netlink_diag_dump+0x2a0/0x2a0 [ 1155.247283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1155.252817] ? bpf_test_init.isra.10+0x70/0x100 [ 1155.257494] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1155.262262] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1155.267117] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1155.272652] ? fput+0x130/0x1a0 [ 1155.275930] ? __bpf_prog_get+0x9b/0x290 [ 1155.279997] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1155.284847] ? bpf_prog_test_run+0x130/0x1a0 [ 1155.289262] ? __x64_sys_bpf+0x3d8/0x520 [ 1155.293319] ? bpf_prog_get+0x20/0x20 [ 1155.297139] ? do_syscall_64+0x1b9/0x820 [ 1155.301200] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1155.306565] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1155.311493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1155.316338] ? trace_hardirqs_on_caller+0x310/0x310 [ 1155.321356] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1155.326373] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1155.331394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1155.336241] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1155.341624] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1155.346421] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1155.348643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1155.359111] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1155.368448] Call Trace: [ 1155.376098] [ 1155.378256] dump_stack+0x244/0x39d [ 1155.381894] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1155.387106] warn_alloc.cold.116+0xb7/0x1bd [ 1155.391426] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1155.396271] ? lock_downgrade+0x900/0x900 [ 1155.400425] ? trace_hardirqs_off+0xb8/0x310 [ 1155.404838] ? trace_hardirqs_off+0xb8/0x310 [ 1155.409249] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1155.414116] ? warn_alloc+0x120/0x120 [ 1155.417917] ? warn_alloc+0x120/0x120 [ 1155.421720] ? warn_alloc+0x120/0x120 [ 1155.425521] ? print_usage_bug+0xc0/0xc0 [ 1155.429581] ? print_usage_bug+0xc0/0xc0 [ 1155.433637] ? ktime_get+0x2c1/0x400 [ 1155.437374] ? check_preemption_disabled+0x48/0x280 [ 1155.442391] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1155.446886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1155.452421] ? should_fail+0x22d/0xd01 [ 1155.456303] ? kasan_check_read+0x11/0x20 [ 1155.460451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1155.465552] ? __lock_acquire+0x62f/0x4c20 [ 1155.469786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1155.474889] ? should_fail+0x22d/0xd01 [ 1155.478773] ? print_usage_bug+0xc0/0xc0 [ 1155.482838] ? mark_held_locks+0x130/0x130 [ 1155.487073] ? mark_held_locks+0x130/0x130 [ 1155.491303] ? check_preemption_disabled+0x48/0x280 [ 1155.496322] ? zap_class+0x640/0x640 [ 1155.500034] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1155.504786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.510319] ? check_preemption_disabled+0x48/0x280 [ 1155.515340] ? __lock_is_held+0xb5/0x140 [ 1155.519405] __alloc_pages_nodemask+0xa80/0xde0 [ 1155.524070] ? zap_class+0x640/0x640 [ 1155.527785] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1155.532806] ? find_held_lock+0x36/0x1c0 [ 1155.536873] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1155.541539] ? lock_downgrade+0x900/0x900 [ 1155.545691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.551229] cache_grow_begin+0xa5/0x8c0 [ 1155.555285] ? do_raw_spin_unlock+0xa7/0x330 [ 1155.559697] fallback_alloc+0x204/0x2e0 [ 1155.563676] ____cache_alloc_node+0x1c7/0x1e0 [ 1155.568179] kmem_cache_alloc_node+0xe3/0x730 [ 1155.572670] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1155.577257] __alloc_skb+0x119/0x770 [ 1155.580966] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1155.586335] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1155.590749] ? vprintk_default+0x28/0x30 [ 1155.594813] ? vprintk_func+0x85/0x181 [ 1155.598696] ? printk+0xa7/0xcf [ 1155.601970] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1155.606739] new_skb+0x26/0x1c0 [ 1155.610015] aoecmd_cfg+0x279/0x7f0 [ 1155.613639] ? find_held_lock+0x36/0x1c0 [ 1155.617699] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1155.622044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.627588] ? __lock_is_held+0xb5/0x140 [ 1155.631832] discover_timer+0x50/0x60 [ 1155.635629] call_timer_fn+0x272/0x920 [ 1155.639516] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1155.644359] ? process_timeout+0x40/0x40 [ 1155.648424] ? mark_held_locks+0xc7/0x130 [ 1155.652574] ? _raw_spin_unlock_irq+0x27/0x80 [ 1155.657063] ? _raw_spin_unlock_irq+0x27/0x80 [ 1155.661554] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1155.666392] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1155.670974] ? trace_hardirqs_on+0xbd/0x310 [ 1155.675298] ? kasan_check_read+0x11/0x20 [ 1155.679440] ? __run_timers+0x7da/0xc70 [ 1155.683412] ? trace_hardirqs_off_caller+0x310/0x310 [ 1155.688521] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1155.693360] __run_timers+0x7e5/0xc70 [ 1155.697166] ? timer_fixup_init+0x70/0x70 [ 1155.701314] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1155.706328] ? zap_class+0x640/0x640 [ 1155.710043] ? print_usage_bug+0xc0/0xc0 [ 1155.714103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1155.719295] ? find_held_lock+0x36/0x1c0 [ 1155.723362] ? zap_class+0x640/0x640 [ 1155.727081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.732612] ? check_preemption_disabled+0x48/0x280 [ 1155.737631] ? __lock_is_held+0xb5/0x140 [ 1155.741689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.747222] ? check_preemption_disabled+0x48/0x280 [ 1155.752238] run_timer_softirq+0x52/0xb0 [ 1155.756304] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1155.761319] __do_softirq+0x308/0xb7e [ 1155.765125] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1155.769702] ? lock_downgrade+0x900/0x900 [ 1155.773852] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1155.778960] ? pvclock_read_flags+0x160/0x160 [ 1155.783458] ? lapic_next_event+0x5a/0x90 [ 1155.787604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.793141] ? kvm_clock_read+0x18/0x30 [ 1155.797110] ? kvm_sched_clock_read+0x9/0x20 [ 1155.801515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.807050] ? check_preemption_disabled+0x48/0x280 [ 1155.812069] irq_exit+0x17f/0x1c0 [ 1155.815520] smp_apic_timer_interrupt+0x1cb/0x760 [ 1155.820361] ? smp_reschedule_interrupt+0x109/0x650 [ 1155.825378] ? smp_call_function_single_interrupt+0x650/0x650 [ 1155.831259] ? interrupt_entry+0xb5/0xc0 [ 1155.835318] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1155.840337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1155.845356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1155.850195] ? trace_hardirqs_on_caller+0x310/0x310 [ 1155.855205] ? trace_hardirqs_on_caller+0x310/0x310 [ 1155.860218] ? task_prio+0x50/0x50 [ 1155.863763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.869298] ? check_preemption_disabled+0x48/0x280 [ 1155.874321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1155.879261] apic_timer_interrupt+0xf/0x20 [ 1155.883489] [ 1155.885727] RIP: 0010:console_unlock+0x102f/0x1190 [ 1155.890653] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1155.909546] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1155.917252] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1155.924519] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1155.931782] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1155.939047] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1155.946332] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1155.953602] ? netconsole_netdev_event+0x280/0x280 [ 1155.958531] ? console_unlock+0x1026/0x1190 [ 1155.962883] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1155.967545] ? vprintk_emit+0x846/0x990 [ 1155.971517] ? lock_release+0xa00/0xa00 [ 1155.975491] ? trace_hardirqs_on+0x70/0x310 [ 1155.979809] ? vprintk_default+0x28/0x30 [ 1155.983867] ? trace_hardirqs_off_caller+0x310/0x310 [ 1155.988973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1155.994516] vprintk_emit+0x391/0x990 [ 1155.998336] ? wake_up_klogd+0x180/0x180 [ 1156.002400] ? find_held_lock+0x11/0x1c0 [ 1156.006464] ? mark_held_locks+0xc7/0x130 [ 1156.010608] ? _raw_spin_unlock_irq+0x27/0x80 [ 1156.015096] ? _raw_spin_unlock_irq+0x27/0x80 [ 1156.019592] vprintk_default+0x28/0x30 [ 1156.023479] vprintk_func+0x7e/0x181 [ 1156.027193] printk+0xa7/0xcf [ 1156.030296] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1156.035061] ? _raw_spin_unlock_irq+0x60/0x80 [ 1156.039583] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1156.044867] dump_header+0x7cc/0xf72 [ 1156.048603] ? pagefault_out_of_memory+0x197/0x197 [ 1156.053539] ? __lock_acquire+0x62f/0x4c20 [ 1156.057773] ? print_usage_bug+0xc0/0xc0 [ 1156.061839] ? zap_class+0x640/0x640 [ 1156.065555] ? print_usage_bug+0xc0/0xc0 [ 1156.069963] ? print_usage_bug+0xc0/0xc0 [ 1156.074025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1156.079565] ? find_held_lock+0x36/0x1c0 [ 1156.083636] ? mark_held_locks+0xc7/0x130 [ 1156.087786] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1156.092888] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1156.098007] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1156.102587] ? trace_hardirqs_on+0xbd/0x310 [ 1156.106913] ? kasan_check_read+0x11/0x20 [ 1156.111067] ? ___ratelimit+0x3b4/0x672 [ 1156.115037] ? trace_hardirqs_off_caller+0x310/0x310 [ 1156.120136] ? trace_hardirqs_on+0x310/0x310 [ 1156.124542] ? lock_downgrade+0x900/0x900 [ 1156.128690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1156.133791] ? ___ratelimit+0x3b9/0x672 [ 1156.137766] ? idr_get_free+0xf70/0xf70 [ 1156.141738] ? find_held_lock+0x36/0x1c0 [ 1156.145805] oom_kill_process.cold.27+0x10/0x903 [ 1156.150557] ? zap_class+0x640/0x640 [ 1156.154267] ? check_preemption_disabled+0x48/0x280 [ 1156.159282] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1156.164208] ? kasan_check_read+0x11/0x20 [ 1156.168350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1156.173628] ? oom_evaluate_task+0x540/0x540 [ 1156.178035] ? find_held_lock+0x36/0x1c0 [ 1156.182102] ? out_of_memory+0x974/0x1430 [ 1156.186247] ? lock_downgrade+0x900/0x900 [ 1156.190393] ? check_preemption_disabled+0x48/0x280 [ 1156.195409] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1156.200334] ? kasan_check_read+0x11/0x20 [ 1156.204478] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1156.209749] ? rcu_softirq_qs+0x20/0x20 [ 1156.213722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1156.219253] ? oom_evaluate_task+0x302/0x540 [ 1156.223661] out_of_memory+0xa84/0x1430 [ 1156.227642] ? oom_killer_disable+0x3a0/0x3a0 [ 1156.232132] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1156.237062] ? __ww_mutex_check_waiters+0x160/0x160 [ 1156.242181] __alloc_pages_slowpath+0x2354/0x2e10 [ 1156.247046] ? warn_alloc+0x120/0x120 [ 1156.250843] ? mark_held_locks+0x130/0x130 [ 1156.255078] ? find_get_entry+0xaae/0x1120 [ 1156.259324] ? filemap_map_pages+0x1a20/0x1a20 [ 1156.263904] ? zap_class+0x640/0x640 [ 1156.267625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1156.273158] ? check_preemption_disabled+0x48/0x280 [ 1156.278172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1156.283705] ? should_fail+0x22d/0xd01 [ 1156.287592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1156.292691] ? zap_class+0x640/0x640 [ 1156.296428] ? __lock_is_held+0xb5/0x140 [ 1156.300516] ? mark_held_locks+0x130/0x130 [ 1156.304753] ? lock_release+0xa00/0xa00 [ 1156.308725] ? perf_trace_sched_process_exec+0x860/0x860 [ 1156.314172] ? xa_load+0x2ba/0x460 [ 1156.317709] ? lock_downgrade+0x900/0x900 [ 1156.321872] ? __might_sleep+0x95/0x190 [ 1156.325851] __alloc_pages_nodemask+0xa80/0xde0 [ 1156.330532] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1156.335545] ? __page_cache_alloc+0x191/0x5c0 [ 1156.340035] ? xa_load+0x2e1/0x460 [ 1156.343572] ? xa_clear_mark+0x40/0x40 [ 1156.347460] ? zap_class+0x640/0x640 [ 1156.351176] ? zap_class+0x640/0x640 [ 1156.354888] ? zap_class+0x640/0x640 [ 1156.358598] ? __do_page_cache_readahead+0x663/0x810 [ 1156.363701] ? find_held_lock+0x36/0x1c0 [ 1156.367763] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1156.373306] alloc_pages_current+0x173/0x350 [ 1156.377716] __page_cache_alloc+0x38c/0x5c0 [ 1156.382031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1156.386958] ? kasan_check_read+0x11/0x20 [ 1156.391101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1156.396378] ? generic_perform_write+0x6a0/0x6a0 [ 1156.401131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1156.406673] ? check_preemption_disabled+0x48/0x280 [ 1156.411693] filemap_fault+0x1595/0x25f0 [ 1156.415764] ? __lock_page_or_retry+0xa00/0xa00 [ 1156.420435] ? mark_held_locks+0x130/0x130 [ 1156.424677] ? filemap_map_pages+0xd6b/0x1a20 [ 1156.429168] ? lock_downgrade+0x900/0x900 [ 1156.433316] ? check_preemption_disabled+0x48/0x280 [ 1156.438329] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1156.443253] ? kasan_check_read+0x11/0x20 [ 1156.447403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1156.452677] ? rcu_softirq_qs+0x20/0x20 [ 1156.456660] ? filemap_map_pages+0xd92/0x1a20 [ 1156.461168] ? find_get_entries_tag+0x1400/0x1400 [ 1156.466002] ? find_held_lock+0x36/0x1c0 [ 1156.470078] ? lock_acquire+0x1ed/0x520 [ 1156.474050] ? ext4_filemap_fault+0x7a/0xad [ 1156.478376] ? lock_release+0xa00/0xa00 [ 1156.482345] ? perf_trace_sched_process_exec+0x860/0x860 [ 1156.487793] ? print_usage_bug+0xc0/0xc0 [ 1156.491863] ? down_read+0x8d/0x120 [ 1156.495484] ? ext4_filemap_fault+0x7a/0xad [ 1156.499804] ? __down_interruptible+0x700/0x700 [ 1156.504475] ? find_held_lock+0x36/0x1c0 [ 1156.508536] ext4_filemap_fault+0x82/0xad [ 1156.512683] __do_fault+0x100/0x6b0 [ 1156.516307] ? lock_downgrade+0x900/0x900 [ 1156.520450] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1156.525552] ? kasan_check_read+0x11/0x20 [ 1156.529693] ? do_raw_spin_unlock+0xa7/0x330 [ 1156.534098] ? do_raw_spin_trylock+0x270/0x270 [ 1156.538691] __handle_mm_fault+0x3ea0/0x5be0 [ 1156.543093] ? perf_trace_lock+0x7a0/0x7a0 [ 1156.547332] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1156.552180] ? ksys_dup3+0x680/0x680 [ 1156.555902] ? zap_class+0x640/0x640 [ 1156.559618] ? zap_class+0x640/0x640 [ 1156.563328] ? __x64_sys_futex+0x53e/0x6a0 [ 1156.567570] ? find_held_lock+0x36/0x1c0 [ 1156.571637] ? handle_mm_fault+0x42a/0xc70 [ 1156.575867] ? lock_downgrade+0x900/0x900 [ 1156.580011] ? check_preemption_disabled+0x48/0x280 [ 1156.585025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1156.589951] ? kasan_check_read+0x11/0x20 [ 1156.594094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1156.599368] ? rcu_softirq_qs+0x20/0x20 [ 1156.603354] ? trace_hardirqs_off_caller+0x310/0x310 [ 1156.608453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1156.613987] ? check_preemption_disabled+0x48/0x280 [ 1156.619005] handle_mm_fault+0x54f/0xc70 [ 1156.623063] ? __handle_mm_fault+0x5be0/0x5be0 [ 1156.627649] ? find_vma+0x34/0x190 [ 1156.631193] __do_page_fault+0x5e8/0xe60 [ 1156.635248] ? trace_hardirqs_off+0xb8/0x310 [ 1156.639655] ? kernel_write+0x120/0x120 [ 1156.643636] do_page_fault+0xf2/0x7e0 [ 1156.647435] ? vmalloc_sync_all+0x30/0x30 [ 1156.651581] ? error_entry+0x70/0xd0 [ 1156.655298] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1156.660314] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1156.665244] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1156.670174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1156.675014] ? trace_hardirqs_on_caller+0x310/0x310 [ 1156.680026] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1156.685476] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1156.690488] ? page_fault+0x8/0x30 [ 1156.694024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1156.698865] ? page_fault+0x8/0x30 [ 1156.702405] page_fault+0x1e/0x30 [ 1156.705852] RIP: 0033:0x404068 [ 1156.709055] Code: Bad RIP value. [ 1156.712416] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1156.717771] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1156.725033] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1156.732296] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1156.739558] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1156.746823] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1156.754125] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1156.754130] warn_alloc_show_mem: 1 callbacks suppressed [ 1156.754137] Mem-Info: [ 1156.761404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1156.766771] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1156.766771] active_file:12 inactive_file:9 isolated_file:0 [ 1156.766771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1156.766771] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1156.766771] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1156.766771] free:13627 free_pcp:121 free_cma:0 [ 1156.769143] Call Trace: [ 1156.778521] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1156.811371] dump_stack+0x244/0x39d [ 1156.813929] 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 [ 1156.841595] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1156.845193] lowmem_reserve[]: 0 2818 6321 6321 [ 1156.871317] warn_alloc.cold.116+0xb7/0x1bd [ 1156.876469] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1156.881046] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1156.885351] lowmem_reserve[]: 0 0 3503 3503 [ 1156.913247] ? lock_downgrade+0x900/0x900 [ 1156.918068] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1156.922386] ? trace_hardirqs_off+0xb8/0x310 [ 1156.926499] lowmem_reserve[]: 0 0 0 0 [ 1156.955208] ? trace_hardirqs_off+0xb8/0x310 [ 1156.959586] 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 [ 1156.963385] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1156.967762] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1156.981309] ? warn_alloc+0x120/0x120 [ 1156.986094] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1157.001706] ? warn_alloc+0x120/0x120 [ 1157.005482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1157.018910] ? dev_hard_start_xmit+0x42c/0xc80 [ 1157.022703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1157.031526] ? warn_alloc+0x120/0x120 [ 1157.036082] 4359 total pagecache pages [ 1157.044647] ? print_usage_bug+0xc0/0xc0 [ 1157.048425] 0 pages in swap cache [ 1157.052297] ? find_held_lock+0x36/0x1c0 [ 1157.056327] Swap cache stats: add 0, delete 0, find 0/0 [ 1157.056335] Free swap = 0kB [ 1157.059776] ? print_usage_bug+0xc0/0xc0 [ 1157.063811] Total swap = 0kB [ 1157.069161] ? cpuacct_charge+0x265/0x440 [ 1157.072151] 1965979 pages RAM [ 1157.076204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1157.079187] 0 pages HighMem/MovableOnly [ 1157.079195] 342854 pages reserved [ 1157.083329] ? should_fail+0x22d/0xd01 [ 1157.086404] 0 pages cma reserved [ 1157.091925] ? find_held_lock+0x36/0x1c0 [ 1157.095930] aoe: skb alloc failure [ 1157.099326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1157.103207] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1157.106538] ? __lock_acquire+0x62f/0x4c20 [ 1157.110584] syz-fuzzer cpuset=/ mems_allowed=0 [ 1157.114117] ? should_fail+0x22d/0xd01 [ 1157.142106] ? mark_held_locks+0x130/0x130 [ 1157.146343] ? mark_held_locks+0x130/0x130 [ 1157.150580] ? __lock_acquire+0x62f/0x4c20 [ 1157.154821] ? zap_class+0x640/0x640 [ 1157.158533] ? __lock_is_held+0xb5/0x140 [ 1157.162597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.168136] ? check_preemption_disabled+0x48/0x280 [ 1157.173165] ? __lock_is_held+0xb5/0x140 [ 1157.177231] __alloc_pages_nodemask+0xa80/0xde0 [ 1157.181900] ? zap_class+0x640/0x640 [ 1157.185620] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1157.190646] ? find_held_lock+0x36/0x1c0 [ 1157.194717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1157.199394] ? lock_downgrade+0x900/0x900 [ 1157.203546] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1157.209090] cache_grow_begin+0xa5/0x8c0 [ 1157.213148] ? do_raw_spin_unlock+0xa7/0x330 [ 1157.217562] fallback_alloc+0x204/0x2e0 [ 1157.221540] ____cache_alloc_node+0x1c7/0x1e0 [ 1157.226039] kmem_cache_alloc+0x1f8/0x730 [ 1157.230196] skb_clone+0x1bb/0x500 [ 1157.233738] ? finish_task_switch+0x2f4/0x910 [ 1157.238232] ? skb_split+0x11e0/0x11e0 [ 1157.242124] ? preempt_notifier_register+0x200/0x200 [ 1157.247222] ? __switch_to_asm+0x34/0x70 [ 1157.251279] ? __switch_to_asm+0x34/0x70 [ 1157.255337] ? __switch_to_asm+0x40/0x70 [ 1157.259397] ? __switch_to_asm+0x34/0x70 [ 1157.263455] ? __switch_to_asm+0x40/0x70 [ 1157.267510] ? __switch_to_asm+0x34/0x70 [ 1157.271566] ? __switch_to_asm+0x40/0x70 [ 1157.275623] ? __switch_to_asm+0x34/0x70 [ 1157.279680] ? __switch_to_asm+0x34/0x70 [ 1157.283739] ? __switch_to_asm+0x40/0x70 [ 1157.287794] ? __switch_to_asm+0x34/0x70 [ 1157.291872] bpf_clone_redirect+0xb9/0x490 [ 1157.296109] ? __schedule+0x8d7/0x21d0 [ 1157.300004] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1157.305023] ? __sched_text_start+0x8/0x8 [ 1157.309182] ? find_held_lock+0x36/0x1c0 [ 1157.313255] ? lock_acquire+0x1ed/0x520 [ 1157.317226] ? bpf_test_run+0x3cb/0x780 [ 1157.321204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.326742] ? check_preemption_disabled+0x48/0x280 [ 1157.331785] ? kasan_check_read+0x11/0x20 [ 1157.335930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1157.341204] ? rcu_softirq_qs+0x20/0x20 [ 1157.345183] ? preempt_schedule+0x4d/0x60 [ 1157.349346] ? ___preempt_schedule+0x16/0x18 [ 1157.353763] ? bpf_test_run+0x25d/0x780 [ 1157.357751] ? netlink_diag_dump+0x2a0/0x2a0 [ 1157.362177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1157.367721] ? bpf_test_init.isra.10+0x70/0x100 [ 1157.372392] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1157.377156] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1157.381995] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1157.387527] ? fput+0x130/0x1a0 [ 1157.390809] ? __bpf_prog_get+0x9b/0x290 [ 1157.394879] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1157.400066] ? bpf_prog_test_run+0x130/0x1a0 [ 1157.404480] ? __x64_sys_bpf+0x3d8/0x520 [ 1157.408538] ? bpf_prog_get+0x20/0x20 [ 1157.412360] ? do_syscall_64+0x1b9/0x820 [ 1157.416416] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1157.421782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1157.426714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1157.431555] ? trace_hardirqs_on_caller+0x310/0x310 [ 1157.436570] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1157.441589] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1157.446610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1157.451456] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1157.456845] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1157.461592] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1157.463865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1157.474334] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1157.483671] Call Trace: [ 1157.491330] [ 1157.493490] dump_stack+0x244/0x39d [ 1157.497116] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1157.502320] warn_alloc.cold.116+0xb7/0x1bd [ 1157.506637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1157.511477] ? lock_downgrade+0x900/0x900 [ 1157.515634] ? trace_hardirqs_off+0xb8/0x310 [ 1157.520049] ? trace_hardirqs_off+0xb8/0x310 [ 1157.524465] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1157.529334] ? warn_alloc+0x120/0x120 [ 1157.533135] ? warn_alloc+0x120/0x120 [ 1157.536933] ? __lock_acquire+0x62f/0x4c20 [ 1157.541167] ? warn_alloc+0x120/0x120 [ 1157.544968] ? print_usage_bug+0xc0/0xc0 [ 1157.549027] ? print_usage_bug+0xc0/0xc0 [ 1157.553086] ? mark_held_locks+0x130/0x130 [ 1157.557326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1157.562867] ? should_fail+0x22d/0xd01 [ 1157.566754] ? zap_class+0x640/0x640 [ 1157.570471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1157.575570] ? __lock_acquire+0x62f/0x4c20 [ 1157.579808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1157.584910] ? should_fail+0x22d/0xd01 [ 1157.588806] ? mark_held_locks+0x130/0x130 [ 1157.593047] ? mark_held_locks+0x130/0x130 [ 1157.597278] ? lock_downgrade+0x900/0x900 [ 1157.601427] ? zap_class+0x640/0x640 [ 1157.605315] ? zap_class+0x640/0x640 [ 1157.609027] ? zap_class+0x640/0x640 [ 1157.612733] ? do_raw_spin_unlock+0xa7/0x330 [ 1157.617141] ? trace_hardirqs_on+0x310/0x310 [ 1157.621544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.627076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.632614] ? check_preemption_disabled+0x48/0x280 [ 1157.637635] ? __lock_is_held+0xb5/0x140 [ 1157.641696] __alloc_pages_nodemask+0xa80/0xde0 [ 1157.646365] ? zap_class+0x640/0x640 [ 1157.650084] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1157.655108] ? find_held_lock+0x36/0x1c0 [ 1157.659180] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1157.663859] ? lock_downgrade+0x900/0x900 [ 1157.668014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.673553] cache_grow_begin+0xa5/0x8c0 [ 1157.677609] ? do_raw_spin_unlock+0xa7/0x330 [ 1157.682019] fallback_alloc+0x204/0x2e0 [ 1157.685999] ____cache_alloc_node+0x1c7/0x1e0 [ 1157.690500] kmem_cache_alloc_node+0xe3/0x730 [ 1157.694998] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1157.699590] __alloc_skb+0x119/0x770 [ 1157.703298] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1157.708661] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1157.713073] ? vprintk_default+0x28/0x30 [ 1157.717129] ? vprintk_func+0x85/0x181 [ 1157.721013] ? printk+0xa7/0xcf [ 1157.724289] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1157.729049] new_skb+0x26/0x1c0 [ 1157.732347] aoecmd_cfg+0x279/0x7f0 [ 1157.735969] ? find_held_lock+0x36/0x1c0 [ 1157.740028] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1157.744354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.749898] ? __lock_is_held+0xb5/0x140 [ 1157.753983] discover_timer+0x50/0x60 [ 1157.757779] call_timer_fn+0x272/0x920 [ 1157.761670] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1157.766508] ? process_timeout+0x40/0x40 [ 1157.770572] ? mark_held_locks+0xc7/0x130 [ 1157.774722] ? _raw_spin_unlock_irq+0x27/0x80 [ 1157.779227] ? _raw_spin_unlock_irq+0x27/0x80 [ 1157.783719] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1157.788559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1157.793139] ? trace_hardirqs_on+0xbd/0x310 [ 1157.797457] ? kasan_check_read+0x11/0x20 [ 1157.801599] ? __run_timers+0x7da/0xc70 [ 1157.805569] ? trace_hardirqs_off_caller+0x310/0x310 [ 1157.810680] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1157.815517] __run_timers+0x7e5/0xc70 [ 1157.819322] ? timer_fixup_init+0x70/0x70 [ 1157.823468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1157.828484] ? zap_class+0x640/0x640 [ 1157.832201] ? print_usage_bug+0xc0/0xc0 [ 1157.836260] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1157.841455] ? find_held_lock+0x36/0x1c0 [ 1157.845517] ? zap_class+0x640/0x640 [ 1157.849236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.854774] ? check_preemption_disabled+0x48/0x280 [ 1157.859798] ? __lock_is_held+0xb5/0x140 [ 1157.863864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.869397] ? check_preemption_disabled+0x48/0x280 [ 1157.874413] run_timer_softirq+0x52/0xb0 [ 1157.878471] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1157.883482] __do_softirq+0x308/0xb7e [ 1157.887285] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1157.891775] ? lock_downgrade+0x900/0x900 [ 1157.895927] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1157.901032] ? pvclock_read_flags+0x160/0x160 [ 1157.905524] ? lapic_next_event+0x5a/0x90 [ 1157.909671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.915211] ? kvm_clock_read+0x18/0x30 [ 1157.919182] ? kvm_sched_clock_read+0x9/0x20 [ 1157.923588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.929121] ? check_preemption_disabled+0x48/0x280 [ 1157.934144] irq_exit+0x17f/0x1c0 [ 1157.937597] smp_apic_timer_interrupt+0x1cb/0x760 [ 1157.942433] ? smp_reschedule_interrupt+0x109/0x650 [ 1157.947448] ? smp_call_function_single_interrupt+0x650/0x650 [ 1157.953327] ? interrupt_entry+0xb5/0xc0 [ 1157.957386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1157.962397] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1157.967410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1157.972249] ? trace_hardirqs_on_caller+0x310/0x310 [ 1157.977262] ? trace_hardirqs_on_caller+0x310/0x310 [ 1157.982277] ? task_prio+0x50/0x50 [ 1157.985819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1157.991353] ? check_preemption_disabled+0x48/0x280 [ 1157.996371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.001221] apic_timer_interrupt+0xf/0x20 [ 1158.005445] [ 1158.007683] RIP: 0010:console_unlock+0x102f/0x1190 [ 1158.012610] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1158.031508] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1158.039211] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1158.046475] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1158.053737] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1158.060999] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1158.068266] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1158.075887] ? netconsole_netdev_event+0x280/0x280 [ 1158.080831] ? console_unlock+0x1026/0x1190 [ 1158.085178] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1158.089841] ? vprintk_emit+0x846/0x990 [ 1158.093822] ? lock_release+0xa00/0xa00 [ 1158.097800] ? trace_hardirqs_on+0x70/0x310 [ 1158.102126] ? vprintk_default+0x28/0x30 [ 1158.106188] ? trace_hardirqs_off_caller+0x310/0x310 [ 1158.111287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1158.116827] vprintk_emit+0x391/0x990 [ 1158.120628] ? wake_up_klogd+0x180/0x180 [ 1158.124695] ? find_held_lock+0x11/0x1c0 [ 1158.128760] ? mark_held_locks+0xc7/0x130 [ 1158.132912] ? _raw_spin_unlock_irq+0x27/0x80 [ 1158.137401] ? _raw_spin_unlock_irq+0x27/0x80 [ 1158.141897] vprintk_default+0x28/0x30 [ 1158.145791] vprintk_func+0x7e/0x181 [ 1158.149503] printk+0xa7/0xcf [ 1158.152604] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1158.157363] ? _raw_spin_unlock_irq+0x60/0x80 [ 1158.161868] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1158.167154] dump_header+0x7cc/0xf72 [ 1158.170873] ? pagefault_out_of_memory+0x197/0x197 [ 1158.175814] ? __lock_acquire+0x62f/0x4c20 [ 1158.180050] ? print_usage_bug+0xc0/0xc0 [ 1158.184114] ? zap_class+0x640/0x640 [ 1158.187831] ? print_usage_bug+0xc0/0xc0 [ 1158.191893] ? print_usage_bug+0xc0/0xc0 [ 1158.195957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1158.201499] ? find_held_lock+0x36/0x1c0 [ 1158.205566] ? mark_held_locks+0xc7/0x130 [ 1158.209711] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1158.214809] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1158.219916] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1158.224500] ? trace_hardirqs_on+0xbd/0x310 [ 1158.228817] ? kasan_check_read+0x11/0x20 [ 1158.232987] ? ___ratelimit+0x3b4/0x672 [ 1158.236960] ? trace_hardirqs_off_caller+0x310/0x310 [ 1158.242063] ? trace_hardirqs_on+0x310/0x310 [ 1158.246468] ? lock_downgrade+0x900/0x900 [ 1158.250618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1158.255717] ? ___ratelimit+0x3b9/0x672 [ 1158.259689] ? idr_get_free+0xf70/0xf70 [ 1158.263657] ? find_held_lock+0x36/0x1c0 [ 1158.267728] oom_kill_process.cold.27+0x10/0x903 [ 1158.272482] ? zap_class+0x640/0x640 [ 1158.276216] ? check_preemption_disabled+0x48/0x280 [ 1158.281231] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1158.286157] ? kasan_check_read+0x11/0x20 [ 1158.290302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1158.295576] ? oom_evaluate_task+0x540/0x540 [ 1158.299982] ? find_held_lock+0x36/0x1c0 [ 1158.304050] ? out_of_memory+0x974/0x1430 [ 1158.308199] ? lock_downgrade+0x900/0x900 [ 1158.312341] ? check_preemption_disabled+0x48/0x280 [ 1158.317356] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1158.322283] ? kasan_check_read+0x11/0x20 [ 1158.326427] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1158.331697] ? rcu_softirq_qs+0x20/0x20 [ 1158.335670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1158.341201] ? oom_evaluate_task+0x302/0x540 [ 1158.345610] out_of_memory+0xa84/0x1430 [ 1158.349586] ? oom_killer_disable+0x3a0/0x3a0 [ 1158.354078] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1158.359004] ? __ww_mutex_check_waiters+0x160/0x160 [ 1158.364027] __alloc_pages_slowpath+0x2354/0x2e10 [ 1158.368899] ? warn_alloc+0x120/0x120 [ 1158.372694] ? mark_held_locks+0x130/0x130 [ 1158.376934] ? find_get_entry+0xaae/0x1120 [ 1158.381189] ? filemap_map_pages+0x1a20/0x1a20 [ 1158.385780] ? zap_class+0x640/0x640 [ 1158.389500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1158.395035] ? check_preemption_disabled+0x48/0x280 [ 1158.400048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1158.405581] ? should_fail+0x22d/0xd01 [ 1158.409468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1158.414570] ? zap_class+0x640/0x640 [ 1158.418305] ? __lock_is_held+0xb5/0x140 [ 1158.423068] ? mark_held_locks+0x130/0x130 [ 1158.427301] ? lock_release+0xa00/0xa00 [ 1158.431271] ? perf_trace_sched_process_exec+0x860/0x860 [ 1158.436722] ? xa_load+0x2ba/0x460 [ 1158.440259] ? lock_downgrade+0x900/0x900 [ 1158.444406] ? __might_sleep+0x95/0x190 [ 1158.448382] __alloc_pages_nodemask+0xa80/0xde0 [ 1158.453054] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1158.458067] ? __page_cache_alloc+0x191/0x5c0 [ 1158.462558] ? xa_load+0x2e1/0x460 [ 1158.466101] ? xa_clear_mark+0x40/0x40 [ 1158.469991] ? zap_class+0x640/0x640 [ 1158.473709] ? zap_class+0x640/0x640 [ 1158.477421] ? zap_class+0x640/0x640 [ 1158.481134] ? __do_page_cache_readahead+0x663/0x810 [ 1158.486240] ? find_held_lock+0x36/0x1c0 [ 1158.490304] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1158.495848] alloc_pages_current+0x173/0x350 [ 1158.500257] __page_cache_alloc+0x38c/0x5c0 [ 1158.504575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1158.509499] ? kasan_check_read+0x11/0x20 [ 1158.513646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1158.518918] ? generic_perform_write+0x6a0/0x6a0 [ 1158.523670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1158.529209] ? check_preemption_disabled+0x48/0x280 [ 1158.534229] filemap_fault+0x1595/0x25f0 [ 1158.538298] ? __lock_page_or_retry+0xa00/0xa00 [ 1158.542966] ? mark_held_locks+0x130/0x130 [ 1158.547211] ? filemap_map_pages+0xd6b/0x1a20 [ 1158.551706] ? lock_downgrade+0x900/0x900 [ 1158.555848] ? check_preemption_disabled+0x48/0x280 [ 1158.560870] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1158.565794] ? kasan_check_read+0x11/0x20 [ 1158.569937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1158.575211] ? rcu_softirq_qs+0x20/0x20 [ 1158.579210] ? filemap_map_pages+0xd92/0x1a20 [ 1158.583714] ? find_get_entries_tag+0x1400/0x1400 [ 1158.588552] ? find_held_lock+0x36/0x1c0 [ 1158.592634] ? lock_acquire+0x1ed/0x520 [ 1158.596620] ? ext4_filemap_fault+0x7a/0xad [ 1158.600945] ? lock_release+0xa00/0xa00 [ 1158.604919] ? perf_trace_sched_process_exec+0x860/0x860 [ 1158.610368] ? print_usage_bug+0xc0/0xc0 [ 1158.614443] ? down_read+0x8d/0x120 [ 1158.618063] ? ext4_filemap_fault+0x7a/0xad [ 1158.622383] ? __down_interruptible+0x700/0x700 [ 1158.627050] ? find_held_lock+0x36/0x1c0 [ 1158.631117] ext4_filemap_fault+0x82/0xad [ 1158.635265] __do_fault+0x100/0x6b0 [ 1158.638889] ? lock_downgrade+0x900/0x900 [ 1158.643034] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1158.648142] ? kasan_check_read+0x11/0x20 [ 1158.652287] ? do_raw_spin_unlock+0xa7/0x330 [ 1158.656693] ? do_raw_spin_trylock+0x270/0x270 [ 1158.661284] __handle_mm_fault+0x3ea0/0x5be0 [ 1158.665688] ? perf_trace_lock+0x7a0/0x7a0 [ 1158.669925] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1158.674784] ? ksys_dup3+0x680/0x680 [ 1158.678506] ? zap_class+0x640/0x640 [ 1158.682217] ? zap_class+0x640/0x640 [ 1158.685926] ? __x64_sys_futex+0x53e/0x6a0 [ 1158.690162] ? find_held_lock+0x36/0x1c0 [ 1158.694230] ? handle_mm_fault+0x42a/0xc70 [ 1158.698463] ? lock_downgrade+0x900/0x900 [ 1158.702604] ? check_preemption_disabled+0x48/0x280 [ 1158.707620] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1158.712546] ? kasan_check_read+0x11/0x20 [ 1158.716688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1158.721962] ? rcu_softirq_qs+0x20/0x20 [ 1158.725931] ? trace_hardirqs_off_caller+0x310/0x310 [ 1158.731035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1158.736572] ? check_preemption_disabled+0x48/0x280 [ 1158.741596] handle_mm_fault+0x54f/0xc70 [ 1158.745654] ? __handle_mm_fault+0x5be0/0x5be0 [ 1158.750241] ? find_vma+0x34/0x190 [ 1158.753782] __do_page_fault+0x5e8/0xe60 [ 1158.757839] ? trace_hardirqs_off+0xb8/0x310 [ 1158.762242] ? kernel_write+0x120/0x120 [ 1158.766221] do_page_fault+0xf2/0x7e0 [ 1158.770195] ? vmalloc_sync_all+0x30/0x30 [ 1158.774339] ? error_entry+0x70/0xd0 [ 1158.778047] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1158.783057] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1158.787987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1158.792911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.797758] ? trace_hardirqs_on_caller+0x310/0x310 [ 1158.802768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1158.808221] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1158.813230] ? page_fault+0x8/0x30 [ 1158.816773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1158.821616] ? page_fault+0x8/0x30 [ 1158.825153] page_fault+0x1e/0x30 [ 1158.828600] RIP: 0033:0x404068 [ 1158.831803] Code: Bad RIP value. [ 1158.835161] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1158.840517] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1158.847784] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1158.855048] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1158.862316] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1158.869577] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1158.876859] warn_alloc_show_mem: 1 callbacks suppressed [ 1158.876870] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1158.876871] Mem-Info: [ 1158.876902] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1158.876902] active_file:12 inactive_file:9 isolated_file:0 [ 1158.876902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1158.876902] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1158.876902] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1158.876902] free:13627 free_pcp:121 free_cma:0 [ 1158.882241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1158.889513] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1158.891901] Call Trace: [ 1158.925256] 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 [ 1158.934626] dump_stack+0x244/0x39d [ 1158.962353] lowmem_reserve[]: 0 2818 6321 6321 [ 1158.964944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1158.991017] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1158.994656] warn_alloc.cold.116+0xb7/0x1bd [ 1158.999194] lowmem_reserve[]: 0 0 3503 3503 [ 1159.004383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1159.031677] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1159.035995] ? lock_downgrade+0x900/0x900 [ 1159.040279] lowmem_reserve[]: 0 0 0 0 [ 1159.045128] ? trace_hardirqs_off+0xb8/0x310 [ 1159.073809] 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 [ 1159.077957] ? trace_hardirqs_off+0xb8/0x310 [ 1159.081726] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1159.086159] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1159.099649] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1159.104082] ? warn_alloc+0x120/0x120 [ 1159.119636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1159.124481] ? warn_alloc+0x120/0x120 [ 1159.137905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1159.141689] ? dev_hard_start_xmit+0x42c/0xc80 [ 1159.150515] 4359 total pagecache pages [ 1159.154305] ? warn_alloc+0x120/0x120 [ 1159.162857] 0 pages in swap cache [ 1159.167427] ? print_usage_bug+0xc0/0xc0 [ 1159.171285] Swap cache stats: add 0, delete 0, find 0/0 [ 1159.171293] Free swap = 0kB [ 1159.175097] ? find_held_lock+0x36/0x1c0 [ 1159.178520] Total swap = 0kB [ 1159.178528] 1965979 pages RAM [ 1159.182593] ? print_usage_bug+0xc0/0xc0 [ 1159.187923] 0 pages HighMem/MovableOnly [ 1159.187931] 342854 pages reserved [ 1159.190941] ? cpuacct_charge+0x265/0x440 [ 1159.194977] 0 pages cma reserved [ 1159.197986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1159.201122] aoe: skb alloc failure [ 1159.205116] ? should_fail+0x22d/0xd01 [ 1159.209116] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1159.212506] ? find_held_lock+0x36/0x1c0 [ 1159.216627] syz-fuzzer cpuset=/ mems_allowed=0 [ 1159.219984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1159.256888] ? __lock_acquire+0x62f/0x4c20 [ 1159.261128] ? should_fail+0x22d/0xd01 [ 1159.265026] ? mark_held_locks+0x130/0x130 [ 1159.269261] ? mark_held_locks+0x130/0x130 [ 1159.273500] ? __lock_acquire+0x62f/0x4c20 [ 1159.277743] ? zap_class+0x640/0x640 [ 1159.281455] ? __lock_is_held+0xb5/0x140 [ 1159.285516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.291055] ? check_preemption_disabled+0x48/0x280 [ 1159.296078] ? __lock_is_held+0xb5/0x140 [ 1159.300160] __alloc_pages_nodemask+0xa80/0xde0 [ 1159.304827] ? zap_class+0x640/0x640 [ 1159.308548] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1159.313586] ? find_held_lock+0x36/0x1c0 [ 1159.317656] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1159.322328] ? lock_downgrade+0x900/0x900 [ 1159.326481] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1159.332021] cache_grow_begin+0xa5/0x8c0 [ 1159.336080] ? do_raw_spin_unlock+0xa7/0x330 [ 1159.340495] fallback_alloc+0x204/0x2e0 [ 1159.344477] ____cache_alloc_node+0x1c7/0x1e0 [ 1159.348975] kmem_cache_alloc+0x1f8/0x730 [ 1159.353133] skb_clone+0x1bb/0x500 [ 1159.356672] ? finish_task_switch+0x2f4/0x910 [ 1159.361188] ? skb_split+0x11e0/0x11e0 [ 1159.365075] ? preempt_notifier_register+0x200/0x200 [ 1159.370177] ? __switch_to_asm+0x34/0x70 [ 1159.374235] ? __switch_to_asm+0x34/0x70 [ 1159.378288] ? __switch_to_asm+0x40/0x70 [ 1159.382346] ? __switch_to_asm+0x34/0x70 [ 1159.386402] ? __switch_to_asm+0x40/0x70 [ 1159.390461] ? __switch_to_asm+0x34/0x70 [ 1159.394524] ? __switch_to_asm+0x40/0x70 [ 1159.398581] ? __switch_to_asm+0x34/0x70 [ 1159.402641] ? __switch_to_asm+0x34/0x70 [ 1159.406703] ? __switch_to_asm+0x40/0x70 [ 1159.410760] ? __switch_to_asm+0x34/0x70 [ 1159.414837] bpf_clone_redirect+0xb9/0x490 [ 1159.419070] ? __schedule+0x8d7/0x21d0 [ 1159.422964] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1159.427983] ? __sched_text_start+0x8/0x8 [ 1159.432144] ? find_held_lock+0x36/0x1c0 [ 1159.436213] ? lock_acquire+0x1ed/0x520 [ 1159.440189] ? bpf_test_run+0x3cb/0x780 [ 1159.444165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.449710] ? check_preemption_disabled+0x48/0x280 [ 1159.454733] ? kasan_check_read+0x11/0x20 [ 1159.458880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1159.464155] ? rcu_softirq_qs+0x20/0x20 [ 1159.468127] ? preempt_schedule+0x4d/0x60 [ 1159.472273] ? ___preempt_schedule+0x16/0x18 [ 1159.476698] ? bpf_test_run+0x25d/0x780 [ 1159.480690] ? netlink_diag_dump+0x2a0/0x2a0 [ 1159.485104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1159.490640] ? bpf_test_init.isra.10+0x70/0x100 [ 1159.495314] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1159.500076] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1159.504918] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1159.510451] ? fput+0x130/0x1a0 [ 1159.513735] ? __bpf_prog_get+0x9b/0x290 [ 1159.517799] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1159.522637] ? bpf_prog_test_run+0x130/0x1a0 [ 1159.527051] ? __x64_sys_bpf+0x3d8/0x520 [ 1159.531113] ? bpf_prog_get+0x20/0x20 [ 1159.534929] ? do_syscall_64+0x1b9/0x820 [ 1159.538992] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1159.544359] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1159.549284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1159.554128] ? trace_hardirqs_on_caller+0x310/0x310 [ 1159.559145] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1159.564164] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1159.569183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1159.574030] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1159.579412] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1159.579445] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 1159.586418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1159.586425] Call Trace: [ 1159.592636] rcu: (detected by 1, t=10651 jiffies, g=201009, q=4) [ 1159.601975] [ 1159.604551] rcu: All QSes seen, last rcu_preempt kthread activity 10646 (4295053101-4295042455), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 1159.610763] dump_stack+0x244/0x39d [ 1159.612887] syz-executor0 R running task 15656 9527 5978 0x80100004 [ 1159.625532] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1159.629135] Call Trace: [ 1159.636317] warn_alloc.cold.116+0xb7/0x1bd [ 1159.641473] [ 1159.644050] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1159.648354] sched_show_task.cold.84+0x2b6/0x30a [ 1159.650486] ? lock_downgrade+0x900/0x900 [ 1159.655316] ? can_nice.part.74+0x20/0x20 [ 1159.660062] ? trace_hardirqs_off+0xb8/0x310 [ 1159.664189] ? vprintk_default+0x28/0x30 [ 1159.668321] ? trace_hardirqs_off+0xb8/0x310 [ 1159.672709] ? vprintk_func+0x85/0x181 [ 1159.676756] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1159.681140] ? vprintk_func+0x85/0x181 [ 1159.685035] ? warn_alloc+0x120/0x120 [ 1159.689835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1159.693704] ? warn_alloc+0x120/0x120 [ 1159.697483] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1159.702222] ? warn_alloc+0x120/0x120 [ 1159.706005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.710753] ? print_usage_bug+0xc0/0xc0 [ 1159.714543] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 1159.720057] ? print_usage_bug+0xc0/0xc0 [ 1159.724097] ? print_usage_bug+0xc0/0xc0 [ 1159.729354] ? ktime_get+0x2c1/0x400 [ 1159.733399] ? rcu_qs+0x110/0x110 [ 1159.737443] ? check_preemption_disabled+0x48/0x280 [ 1159.741138] ? __lock_acquire+0x62f/0x4c20 [ 1159.744571] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1159.749565] ? update_sd_lb_stats+0x3230/0x3230 [ 1159.753784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1159.758266] ? zap_class+0x640/0x640 [ 1159.762912] ? should_fail+0x22d/0xd01 [ 1159.768433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.772130] ? kasan_check_read+0x11/0x20 [ 1159.775999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.781518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1159.785674] ? do_trace_rcu_torture_read+0x10/0x10 [ 1159.791190] ? __lock_acquire+0x62f/0x4c20 [ 1159.796280] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 1159.801189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1159.805404] ? __lock_is_held+0xb5/0x140 [ 1159.810666] ? should_fail+0x22d/0xd01 [ 1159.815749] ? __rcu_read_lock+0x50/0x50 [ 1159.819790] ? print_usage_bug+0xc0/0xc0 [ 1159.823668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.827718] ? mark_held_locks+0x130/0x130 [ 1159.831843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.837363] ? mark_held_locks+0x130/0x130 [ 1159.841577] ? check_preemption_disabled+0x48/0x280 [ 1159.847096] ? check_preemption_disabled+0x48/0x280 [ 1159.851327] rcu_check_callbacks+0xfd7/0x13f0 [ 1159.856330] ? zap_class+0x640/0x640 [ 1159.861325] ? rcutree_dead_cpu+0x10/0x10 [ 1159.865806] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1159.869501] ? lock_downgrade+0x900/0x900 [ 1159.873628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.878367] ? lock_release+0x940/0xa00 [ 1159.882494] ? check_preemption_disabled+0x48/0x280 [ 1159.888010] ? zap_class+0x640/0x640 [ 1159.891977] ? __lock_is_held+0xb5/0x140 [ 1159.896973] ? zap_class+0x640/0x640 [ 1159.900671] __alloc_pages_nodemask+0xa80/0xde0 [ 1159.904712] ? zap_class+0x640/0x640 [ 1159.908406] ? zap_class+0x640/0x640 [ 1159.913058] ? zap_class+0x640/0x640 [ 1159.916756] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1159.920449] ? find_held_lock+0x36/0x1c0 [ 1159.924153] ? find_held_lock+0x36/0x1c0 [ 1159.929150] ? cpuacct_account_field+0x219/0x3d0 [ 1159.933193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1159.937232] ? zap_class+0x640/0x640 [ 1159.941970] ? lock_downgrade+0x900/0x900 [ 1159.946632] ? kasan_check_read+0x11/0x20 [ 1159.950337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.954463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1159.958593] cache_grow_begin+0xa5/0x8c0 [ 1159.964113] ? check_preemption_disabled+0x48/0x280 [ 1159.969630] ? do_raw_spin_unlock+0xa7/0x330 [ 1159.973686] ? trace_hardirqs_off+0xb8/0x310 [ 1159.978686] fallback_alloc+0x204/0x2e0 [ 1159.983070] ? __lock_is_held+0xb5/0x140 [ 1159.987462] ____cache_alloc_node+0x1c7/0x1e0 [ 1159.991416] ? trace_hardirqs_on+0x310/0x310 [ 1159.995460] kmem_cache_alloc_node+0xe3/0x730 [ 1159.999933] ? check_preemption_disabled+0x48/0x280 [ 1160.004321] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1160.008801] ? raise_softirq+0x199/0x420 [ 1160.013802] __alloc_skb+0x119/0x770 [ 1160.018359] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 1160.022402] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1160.026099] ? account_system_index_time+0x333/0x5d0 [ 1160.030747] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1160.036089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.041174] ? vprintk_default+0x28/0x30 [ 1160.045560] ? check_preemption_disabled+0x48/0x280 [ 1160.051074] ? vprintk_func+0x85/0x181 [ 1160.055121] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1160.060116] ? printk+0xa7/0xcf [ 1160.063986] ? hrtimer_run_queues+0x9a/0x400 [ 1160.069882] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1160.073155] ? run_local_timers+0x19b/0x230 [ 1160.077549] new_skb+0x26/0x1c0 [ 1160.082276] ? timer_clear_idle+0x90/0x90 [ 1160.086580] aoecmd_cfg+0x279/0x7f0 [ 1160.089846] ? irqtime_account_process_tick.isra.6+0x35b/0x490 [ 1160.093973] ? find_held_lock+0x36/0x1c0 [ 1160.097581] ? account_process_tick+0x282/0x350 [ 1160.103527] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1160.107576] update_process_times+0x2d/0x70 [ 1160.112226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.116527] tick_sched_handle+0x9f/0x180 [ 1160.120834] ? __lock_is_held+0xb5/0x140 [ 1160.126347] tick_sched_timer+0x45/0x130 [ 1160.130483] discover_timer+0x50/0x60 [ 1160.134525] __hrtimer_run_queues+0x41c/0x10d0 [ 1160.138566] call_timer_fn+0x272/0x920 [ 1160.142354] ? tick_sched_do_timer+0x1a0/0x1a0 [ 1160.146915] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1160.150782] ? hrtimer_start_range_ns+0xe00/0xe00 [ 1160.155343] ? process_timeout+0x40/0x40 [ 1160.160683] ? pvclock_read_flags+0x160/0x160 [ 1160.165514] ? mark_held_locks+0xc7/0x130 [ 1160.169550] ? trace_hardirqs_on+0x310/0x310 [ 1160.174027] ? _raw_spin_unlock_irq+0x27/0x80 [ 1160.178162] ? kvm_clock_read+0x18/0x30 [ 1160.182545] ? _raw_spin_unlock_irq+0x27/0x80 [ 1160.187025] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1160.190980] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1160.195457] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 1160.200454] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1160.205278] ? do_timer+0x50/0x50 [ 1160.210628] ? trace_hardirqs_on+0xbd/0x310 [ 1160.215190] ? rwlock_bug.part.2+0x90/0x90 [ 1160.218626] ? kasan_check_read+0x11/0x20 [ 1160.218640] ? __run_timers+0x7da/0xc70 [ 1160.222943] ? trace_hardirqs_on+0x310/0x310 [ 1160.227160] ? trace_hardirqs_off_caller+0x310/0x310 [ 1160.231288] ? rcu_softirq_qs+0x20/0x20 [ 1160.235252] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1160.239645] hrtimer_interrupt+0x313/0x780 [ 1160.244719] __run_timers+0x7e5/0xc70 [ 1160.248693] smp_apic_timer_interrupt+0x1a1/0x760 [ 1160.253514] ? timer_fixup_init+0x70/0x70 [ 1160.257725] ? smp_reschedule_interrupt+0x109/0x650 [ 1160.261506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1160.266329] ? smp_call_function_single_interrupt+0x650/0x650 [ 1160.270457] ? zap_class+0x640/0x640 [ 1160.275452] ? interrupt_entry+0xb5/0xc0 [ 1160.280454] ? print_usage_bug+0xc0/0xc0 [ 1160.286317] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1160.290013] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1160.294055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1160.298099] ? find_held_lock+0x36/0x1c0 [ 1160.303093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.308263] ? zap_class+0x640/0x640 [ 1160.313257] ? trace_hardirqs_on_caller+0x310/0x310 [ 1160.317301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.322123] ? trace_hardirqs_on_caller+0x310/0x310 [ 1160.325819] ? check_preemption_disabled+0x48/0x280 [ 1160.330811] ? task_prio+0x50/0x50 [ 1160.336336] ? __lock_is_held+0xb5/0x140 [ 1160.341328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.346322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.349843] ? check_preemption_disabled+0x48/0x280 [ 1160.353881] ? check_preemption_disabled+0x48/0x280 [ 1160.359401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.364921] run_timer_softirq+0x52/0xb0 [ 1160.369922] apic_timer_interrupt+0xf/0x20 [ 1160.374915] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1160.379731] [ 1160.383781] __do_softirq+0x308/0xb7e [ 1160.387997] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1160.392996] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1160.395213] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1160.399000] ? lock_downgrade+0x900/0x900 [ 1160.403898] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1160.408390] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1160.427269] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1160.431404] ? pvclock_read_flags+0x160/0x160 [ 1160.439084] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1160.444173] ? lapic_next_event+0x5a/0x90 [ 1160.451415] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1160.451425] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1160.455905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.463155] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1160.467288] ? kvm_clock_read+0x18/0x30 [ 1160.474570] skb_clone+0x1bb/0x500 [ 1160.481795] ? kvm_sched_clock_read+0x9/0x20 [ 1160.487315] ? finish_task_switch+0x2f4/0x910 [ 1160.494566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.498518] ? skb_split+0x11e0/0x11e0 [ 1160.502041] ? check_preemption_disabled+0x48/0x280 [ 1160.506430] ? preempt_notifier_register+0x200/0x200 [ 1160.510911] irq_exit+0x17f/0x1c0 [ 1160.516423] ? __switch_to_asm+0x34/0x70 [ 1160.520291] smp_apic_timer_interrupt+0x1cb/0x760 [ 1160.525287] ? __switch_to_asm+0x34/0x70 [ 1160.530374] ? smp_reschedule_interrupt+0x109/0x650 [ 1160.533810] ? __switch_to_asm+0x40/0x70 [ 1160.537853] ? smp_call_function_single_interrupt+0x650/0x650 [ 1160.542673] ? __switch_to_asm+0x34/0x70 [ 1160.546714] ? interrupt_entry+0xb5/0xc0 [ 1160.551725] ? __switch_to_asm+0x40/0x70 [ 1160.555771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1160.561630] ? __switch_to_asm+0x34/0x70 [ 1160.565672] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1160.569711] ? __switch_to_asm+0x40/0x70 [ 1160.573754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.578748] ? __switch_to_asm+0x34/0x70 [ 1160.582798] ? trace_hardirqs_on_caller+0x310/0x310 [ 1160.587792] ? __switch_to_asm+0x34/0x70 [ 1160.591833] ? trace_hardirqs_on_caller+0x310/0x310 [ 1160.596654] ? __switch_to_asm+0x40/0x70 [ 1160.600697] ? task_prio+0x50/0x50 [ 1160.605694] ? __switch_to_asm+0x34/0x70 [ 1160.609737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.614738] bpf_clone_redirect+0xb9/0x490 [ 1160.618786] ? check_preemption_disabled+0x48/0x280 [ 1160.622307] ? __schedule+0x8d7/0x21d0 [ 1160.626353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.631879] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1160.636100] apic_timer_interrupt+0xf/0x20 [ 1160.641097] ? __sched_text_start+0x8/0x8 [ 1160.644959] [ 1160.649803] ? find_held_lock+0x36/0x1c0 [ 1160.654792] RIP: 0010:console_unlock+0x102f/0x1190 [ 1160.659027] ? lock_acquire+0x1ed/0x520 [ 1160.663155] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1160.665376] ? bpf_test_run+0x3cb/0x780 [ 1160.669407] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1160.674332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.678283] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1160.697187] ? check_preemption_disabled+0x48/0x280 [ 1160.701123] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1160.708832] ? kasan_check_read+0x11/0x20 [ 1160.714337] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1160.714348] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1160.721614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1160.726608] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1160.733862] ? rcu_softirq_qs+0x20/0x20 [ 1160.737991] ? netconsole_netdev_event+0x280/0x280 [ 1160.745245] ? preempt_schedule+0x4d/0x60 [ 1160.752506] ? console_unlock+0x1026/0x1190 [ 1160.757760] ? ___preempt_schedule+0x16/0x18 [ 1160.765030] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1160.768978] ? bpf_test_run+0x25d/0x780 [ 1160.773881] ? vprintk_emit+0x846/0x990 [ 1160.778020] ? netlink_diag_dump+0x2a0/0x2a0 [ 1160.782318] ? lock_release+0xa00/0xa00 [ 1160.786710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1160.791357] ? trace_hardirqs_on+0x70/0x310 [ 1160.795310] ? bpf_test_init.isra.10+0x70/0x100 [ 1160.799260] ? vprintk_default+0x28/0x30 [ 1160.803652] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1160.807607] ? trace_hardirqs_off_caller+0x310/0x310 [ 1160.813130] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1160.817429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1160.822081] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1160.826131] vprintk_emit+0x391/0x990 [ 1160.830868] ? fput+0x130/0x1a0 [ 1160.835956] ? wake_up_klogd+0x180/0x180 [ 1160.840836] ? __bpf_prog_get+0x9b/0x290 [ 1160.846352] ? find_held_lock+0x11/0x1c0 [ 1160.851872] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1160.855656] ? mark_held_locks+0xc7/0x130 [ 1160.858914] ? bpf_prog_test_run+0x130/0x1a0 [ 1160.862959] ? _raw_spin_unlock_irq+0x27/0x80 [ 1160.867002] ? __x64_sys_bpf+0x3d8/0x520 [ 1160.871042] ? _raw_spin_unlock_irq+0x27/0x80 [ 1160.875865] ? bpf_prog_get+0x20/0x20 [ 1160.880041] vprintk_default+0x28/0x30 [ 1160.884467] ? do_syscall_64+0x1b9/0x820 [ 1160.888933] vprintk_func+0x7e/0x181 [ 1160.892973] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1160.897447] printk+0xa7/0xcf [ 1160.901230] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1160.905576] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1160.909617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.913312] ? _raw_spin_unlock_irq+0x60/0x80 [ 1160.918656] ? trace_hardirqs_on_caller+0x310/0x310 [ 1160.921768] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1160.926659] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1160.931402] dump_header+0x7cc/0xf72 [ 1160.936222] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1160.940705] ? pagefault_out_of_memory+0x197/0x197 [ 1160.945699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1160.950959] ? __lock_acquire+0x62f/0x4c20 [ 1160.955957] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1160.959648] ? print_usage_bug+0xc0/0xc0 [ 1160.964668] rcu: rcu_preempt kthread starved for 10646 jiffies! g201009 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 1160.969569] ? zap_class+0x640/0x640 [ 1160.974378] rcu: RCU grace-period kthread stack dump: [ 1160.974387] rcu_preempt R running task 21384 10 2 0x80000000 [ 1160.978626] ? print_usage_bug+0xc0/0xc0 [ 1160.983962] Call Trace: [ 1160.988014] ? print_usage_bug+0xc0/0xc0 [ 1160.998608] __schedule+0x8cf/0x21d0 [ 1161.002301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1161.007476] ? __sched_text_start+0x8/0x8 [ 1161.014640] ? find_held_lock+0x36/0x1c0 [ 1161.018691] ? add_timer_on+0xa20/0xa20 [ 1161.021292] ? mark_held_locks+0xc7/0x130 [ 1161.025330] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.029047] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.034573] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.038699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.042743] ? trace_hardirqs_on+0xbd/0x310 [ 1161.046698] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1161.050825] ? kasan_check_read+0x11/0x20 [ 1161.055908] ? trace_hardirqs_on+0xbd/0x310 [ 1161.060990] ? prepare_to_swait_event+0x25a/0x800 [ 1161.066065] ? kasan_check_read+0x11/0x20 [ 1161.066090] ? ___ratelimit+0x3b4/0x672 [ 1161.071166] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.075471] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.080033] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.084170] ? trace_hardirqs_on+0x310/0x310 [ 1161.088477] schedule+0xfe/0x460 [ 1161.093304] ? lock_downgrade+0x900/0x900 [ 1161.097433] ? __schedule+0x21d0/0x21d0 [ 1161.101390] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1161.106472] ? prepare_to_swait_event+0x25a/0x800 [ 1161.111561] ? ___ratelimit+0x3b9/0x672 [ 1161.116651] ? __init_swait_queue_head+0x150/0x150 [ 1161.121038] ? idr_get_free+0xf70/0xf70 [ 1161.124396] ? __lockdep_init_map+0x105/0x590 [ 1161.128522] ? find_held_lock+0x36/0x1c0 [ 1161.132481] ? lockdep_init_map+0x9/0x10 [ 1161.137576] oom_kill_process.cold.27+0x10/0x903 [ 1161.142414] schedule_timeout+0x140/0x260 [ 1161.146348] ? zap_class+0x640/0x640 [ 1161.151256] ? usleep_range+0x1a0/0x1a0 [ 1161.155208] ? check_preemption_disabled+0x48/0x280 [ 1161.155226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1161.159704] ? __next_timer_interrupt+0x1a0/0x1a0 [ 1161.163748] ? kasan_check_read+0x11/0x20 [ 1161.167842] rcu_gp_fqs_loop+0x762/0xa80 [ 1161.172568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1161.176706] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 1161.180401] ? oom_evaluate_task+0x540/0x540 [ 1161.184360] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.189396] ? find_held_lock+0x36/0x1c0 [ 1161.194309] ? perf_trace_sched_process_exec+0x860/0x860 [ 1161.199139] ? out_of_memory+0x974/0x1430 [ 1161.203267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1161.207307] ? lock_downgrade+0x900/0x900 [ 1161.212581] ? rcu_gp_init+0x90b/0x1260 [ 1161.217309] ? check_preemption_disabled+0x48/0x280 [ 1161.217326] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1161.221719] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 1161.226803] ? kasan_check_read+0x11/0x20 [ 1161.230848] ? rcu_accelerate_cbs+0x10a/0xae0 [ 1161.236276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1161.240419] ? zap_class+0x640/0x640 [ 1161.245924] ? rcu_softirq_qs+0x20/0x20 [ 1161.250058] ? zap_class+0x640/0x640 [ 1161.254013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1161.259029] ? __lock_is_held+0xb5/0x140 [ 1161.263929] ? oom_evaluate_task+0x302/0x540 [ 1161.268670] ? __lock_is_held+0xb5/0x140 [ 1161.272796] out_of_memory+0xa84/0x1430 [ 1161.277273] ? zap_class+0x640/0x640 [ 1161.282541] ? oom_killer_disable+0x3a0/0x3a0 [ 1161.286237] ? rcu_accelerate_cbs+0x10a/0xae0 [ 1161.290191] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1161.293896] ? find_held_lock+0x36/0x1c0 [ 1161.299414] ? __ww_mutex_check_waiters+0x160/0x160 [ 1161.303465] ? rcu_gp_kthread+0x8cf/0xc70 [ 1161.307862] __alloc_pages_slowpath+0x2354/0x2e10 [ 1161.311899] ? _raw_spin_unlock_irq+0x27/0x80 [ 1161.315933] ? warn_alloc+0x120/0x120 [ 1161.319569] ? _raw_spin_unlock_irq+0x27/0x80 [ 1161.324047] ? mark_held_locks+0x130/0x130 [ 1161.328526] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1161.333444] ? find_get_entry+0xaae/0x1120 [ 1161.337502] ? trace_hardirqs_on+0xbd/0x310 [ 1161.342506] ? filemap_map_pages+0x1a20/0x1a20 [ 1161.346637] ? kasan_check_read+0x11/0x20 [ 1161.351482] ? zap_class+0x640/0x640 [ 1161.355959] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.359747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1161.364222] ? perf_trace_sched_process_exec+0x860/0x860 [ 1161.368441] ? check_preemption_disabled+0x48/0x280 [ 1161.373003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1161.377238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1161.381560] rcu_gp_kthread+0x341/0xc70 [ 1161.386114] ? should_fail+0x22d/0xd01 [ 1161.390247] ? rcu_gp_init+0x1260/0x1260 [ 1161.393939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1161.399021] ? mark_held_locks+0x130/0x130 [ 1161.404545] ? zap_class+0x640/0x640 [ 1161.409980] ? __schedule+0x168a/0x21d0 [ 1161.414996] ? __lock_is_held+0xb5/0x140 [ 1161.420496] ? _raw_spin_unlock_irq+0x27/0x80 [ 1161.426020] ? mark_held_locks+0x130/0x130 [ 1161.430000] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1161.433868] ? lock_release+0xa00/0xa00 [ 1161.437915] ? trace_hardirqs_on+0xbd/0x310 [ 1161.442996] ? perf_trace_sched_process_exec+0x860/0x860 [ 1161.447210] ? kasan_check_read+0x11/0x20 [ 1161.450910] ? xa_load+0x2ba/0x460 [ 1161.454864] ? __schedule+0x168a/0x21d0 [ 1161.458911] ? lock_downgrade+0x900/0x900 [ 1161.463424] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.467639] ? __might_sleep+0x95/0x190 [ 1161.472213] ? lock_pin_lock+0x350/0x350 [ 1161.476169] __alloc_pages_nodemask+0xa80/0xde0 [ 1161.480506] ? _raw_spin_unlock_irq+0x60/0x80 [ 1161.485945] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1161.490072] ? __schedule+0x168a/0x21d0 [ 1161.493620] ? __page_cache_alloc+0x191/0x5c0 [ 1161.497564] ? __switch_to_asm+0x40/0x70 [ 1161.501695] ? xa_load+0x2e1/0x460 [ 1161.506776] ? __switch_to_asm+0x40/0x70 [ 1161.510750] ? xa_clear_mark+0x40/0x40 [ 1161.514798] ? show_schedstat+0x731/0xf30 [ 1161.519446] ? zap_class+0x640/0x640 [ 1161.523932] ? __sched_text_start+0x8/0x8 [ 1161.528933] ? zap_class+0x640/0x640 [ 1161.532911] ? find_held_lock+0x36/0x1c0 [ 1161.537384] ? zap_class+0x640/0x640 [ 1161.541441] ? __kthread_parkme+0xce/0x1a0 [ 1161.544954] ? __do_page_cache_readahead+0x663/0x810 [ 1161.544973] ? find_held_lock+0x36/0x1c0 [ 1161.549016] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.552892] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1161.557012] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1161.560712] alloc_pages_current+0x173/0x350 [ 1161.564837] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1161.568545] __page_cache_alloc+0x38c/0x5c0 [ 1161.572581] ? trace_hardirqs_on+0xbd/0x310 [ 1161.576267] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1161.576283] ? kasan_check_read+0x11/0x20 [ 1161.580499] ? kasan_check_read+0x11/0x20 [ 1161.585597] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1161.589644] ? __kthread_parkme+0xce/0x1a0 [ 1161.594731] ? generic_perform_write+0x6a0/0x6a0 [ 1161.600251] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.605336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1161.609737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1161.614296] ? check_preemption_disabled+0x48/0x280 [ 1161.618611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1161.622917] filemap_fault+0x1595/0x25f0 [ 1161.627825] ? __kthread_parkme+0xfb/0x1a0 [ 1161.631961] ? __lock_page_or_retry+0xa00/0xa00 [ 1161.636085] ? rcu_gp_init+0x1260/0x1260 [ 1161.641340] ? mark_held_locks+0x130/0x130 [ 1161.645555] kthread+0x35a/0x440 [ 1161.650299] ? filemap_map_pages+0xd6b/0x1a20 [ 1161.655382] ? kthread_stop+0x900/0x900 [ 1161.660903] ? lock_downgrade+0x900/0x900 [ 1161.665986] ret_from_fork+0x3a/0x50 [ 1161.670980] ? check_preemption_disabled+0x48/0x280 [ 1161.670998] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1161.681343] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1161.684810] ? kasan_check_read+0x11/0x20 [ 1161.689455] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1161.693519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1161.752240] ? rcu_softirq_qs+0x20/0x20 [ 1161.756226] ? filemap_map_pages+0xd92/0x1a20 [ 1161.760736] ? find_get_entries_tag+0x1400/0x1400 [ 1161.765596] ? find_held_lock+0x36/0x1c0 [ 1161.769674] ? lock_acquire+0x1ed/0x520 [ 1161.773643] ? ext4_filemap_fault+0x7a/0xad [ 1161.777973] ? lock_release+0xa00/0xa00 [ 1161.781964] ? perf_trace_sched_process_exec+0x860/0x860 [ 1161.787413] ? print_usage_bug+0xc0/0xc0 [ 1161.791504] ? down_read+0x8d/0x120 [ 1161.795129] ? ext4_filemap_fault+0x7a/0xad [ 1161.799475] ? __down_interruptible+0x700/0x700 [ 1161.804162] ? find_held_lock+0x36/0x1c0 [ 1161.808223] ext4_filemap_fault+0x82/0xad [ 1161.812388] __do_fault+0x100/0x6b0 [ 1161.816018] ? lock_downgrade+0x900/0x900 [ 1161.820214] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1161.825334] ? kasan_check_read+0x11/0x20 [ 1161.829506] ? do_raw_spin_unlock+0xa7/0x330 [ 1161.833932] ? do_raw_spin_trylock+0x270/0x270 [ 1161.838598] __handle_mm_fault+0x3ea0/0x5be0 [ 1161.843033] ? perf_trace_lock+0x7a0/0x7a0 [ 1161.847271] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1161.852136] ? ksys_dup3+0x680/0x680 [ 1161.855878] ? zap_class+0x640/0x640 [ 1161.859635] ? zap_class+0x640/0x640 [ 1161.863372] ? __x64_sys_futex+0x53e/0x6a0 [ 1161.867607] ? find_held_lock+0x36/0x1c0 [ 1161.871676] ? handle_mm_fault+0x42a/0xc70 [ 1161.875922] ? lock_downgrade+0x900/0x900 [ 1161.880076] ? check_preemption_disabled+0x48/0x280 [ 1161.885092] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1161.890056] ? kasan_check_read+0x11/0x20 [ 1161.894241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1161.899519] ? rcu_softirq_qs+0x20/0x20 [ 1161.903503] ? trace_hardirqs_off_caller+0x310/0x310 [ 1161.908656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1161.914218] ? check_preemption_disabled+0x48/0x280 [ 1161.919309] handle_mm_fault+0x54f/0xc70 [ 1161.923436] ? __handle_mm_fault+0x5be0/0x5be0 [ 1161.928105] ? find_vma+0x34/0x190 [ 1161.931683] __do_page_fault+0x5e8/0xe60 [ 1161.935798] ? trace_hardirqs_off+0xb8/0x310 [ 1161.940232] ? kernel_write+0x120/0x120 [ 1161.944303] do_page_fault+0xf2/0x7e0 [ 1161.948134] ? vmalloc_sync_all+0x30/0x30 [ 1161.952321] ? error_entry+0x70/0xd0 [ 1161.956061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1161.961073] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1161.965998] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1161.970922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1161.975770] ? trace_hardirqs_on_caller+0x310/0x310 [ 1161.980783] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1161.986279] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1161.991356] ? page_fault+0x8/0x30 [ 1161.994931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1161.999773] ? page_fault+0x8/0x30 [ 1162.003309] page_fault+0x1e/0x30 [ 1162.006785] RIP: 0033:0x404068 [ 1162.010042] Code: Bad RIP value. [ 1162.013437] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1162.018892] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1162.026208] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1162.033488] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1162.040752] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1162.048023] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1162.055329] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1162.055334] warn_alloc_show_mem: 1 callbacks suppressed [ 1162.055346] Mem-Info: [ 1162.062645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.062679] Call Trace: [ 1162.068057] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1162.068057] active_file:12 inactive_file:9 isolated_file:0 [ 1162.068057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1162.068057] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1162.068057] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1162.068057] free:13627 free_pcp:121 free_cma:0 [ 1162.071058] dump_stack+0x244/0x39d [ 1162.080399] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1162.082972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1162.115825] 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 [ 1162.119512] warn_alloc.cold.116+0xb7/0x1bd [ 1162.147123] lowmem_reserve[]: 0 2818 6321 6321 [ 1162.152306] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1162.178391] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1162.182711] ? lock_downgrade+0x900/0x900 [ 1162.187257] lowmem_reserve[]: 0 0 3503 3503 [ 1162.192114] ? trace_hardirqs_off+0xb8/0x310 [ 1162.219408] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1162.223581] ? trace_hardirqs_off+0xb8/0x310 [ 1162.227865] lowmem_reserve[]: 0 0 0 0 [ 1162.232387] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1162.261067] 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 [ 1162.265507] ? warn_alloc+0x120/0x120 [ 1162.269249] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1162.274096] ? warn_alloc+0x120/0x120 [ 1162.287688] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1162.291500] ? dev_hard_start_xmit+0x42c/0xc80 [ 1162.307078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1162.310866] ? warn_alloc+0x120/0x120 [ 1162.324272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1162.324281] 4359 total pagecache pages [ 1162.328852] ? print_usage_bug+0xc0/0xc0 [ 1162.337666] 0 pages in swap cache [ 1162.341457] ? find_held_lock+0x36/0x1c0 [ 1162.349999] Swap cache stats: add 0, delete 0, find 0/0 [ 1162.350007] Free swap = 0kB [ 1162.353900] ? print_usage_bug+0xc0/0xc0 [ 1162.357935] Total swap = 0kB [ 1162.361383] ? cpuacct_charge+0x265/0x440 [ 1162.365429] 1965979 pages RAM [ 1162.370792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1162.373774] 0 pages HighMem/MovableOnly [ 1162.373782] 342854 pages reserved [ 1162.377832] ? should_fail+0x22d/0xd01 [ 1162.380818] 0 pages cma reserved [ 1162.380876] aoe: skb alloc failure [ 1162.384958] ? find_held_lock+0x36/0x1c0 [ 1162.384979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1162.388111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1162.393587] ? __lock_acquire+0x62f/0x4c20 [ 1162.397537] syz-fuzzer cpuset=/ mems_allowed=0 [ 1162.400981] ? should_fail+0x22d/0xd01 [ 1162.443815] ? mark_held_locks+0x130/0x130 [ 1162.448055] ? mark_held_locks+0x130/0x130 [ 1162.452296] ? __lock_acquire+0x62f/0x4c20 [ 1162.456544] ? zap_class+0x640/0x640 [ 1162.460260] ? __lock_is_held+0xb5/0x140 [ 1162.464329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1162.469867] ? check_preemption_disabled+0x48/0x280 [ 1162.474898] ? __lock_is_held+0xb5/0x140 [ 1162.478966] __alloc_pages_nodemask+0xa80/0xde0 [ 1162.483636] ? zap_class+0x640/0x640 [ 1162.487364] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1162.492396] ? find_held_lock+0x36/0x1c0 [ 1162.496483] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1162.501155] ? lock_downgrade+0x900/0x900 [ 1162.505415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1162.510963] cache_grow_begin+0xa5/0x8c0 [ 1162.515023] ? do_raw_spin_unlock+0xa7/0x330 [ 1162.519448] fallback_alloc+0x204/0x2e0 [ 1162.523429] ____cache_alloc_node+0x1c7/0x1e0 [ 1162.527943] kmem_cache_alloc+0x1f8/0x730 [ 1162.532115] skb_clone+0x1bb/0x500 [ 1162.535655] ? finish_task_switch+0x2f4/0x910 [ 1162.540161] ? skb_split+0x11e0/0x11e0 [ 1162.544055] ? preempt_notifier_register+0x200/0x200 [ 1162.549152] ? __switch_to_asm+0x34/0x70 [ 1162.553302] ? __switch_to_asm+0x34/0x70 [ 1162.557364] ? __switch_to_asm+0x40/0x70 [ 1162.561420] ? __switch_to_asm+0x34/0x70 [ 1162.565480] ? __switch_to_asm+0x40/0x70 [ 1162.569535] ? __switch_to_asm+0x34/0x70 [ 1162.573597] ? __switch_to_asm+0x40/0x70 [ 1162.577652] ? __switch_to_asm+0x34/0x70 [ 1162.581712] ? __switch_to_asm+0x34/0x70 [ 1162.585770] ? __switch_to_asm+0x40/0x70 [ 1162.589826] ? __switch_to_asm+0x34/0x70 [ 1162.593905] bpf_clone_redirect+0xb9/0x490 [ 1162.598140] ? __schedule+0x8d7/0x21d0 [ 1162.602032] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1162.607050] ? __sched_text_start+0x8/0x8 [ 1162.611217] ? find_held_lock+0x36/0x1c0 [ 1162.615287] ? lock_acquire+0x1ed/0x520 [ 1162.619267] ? bpf_test_run+0x3cb/0x780 [ 1162.623244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1162.628782] ? check_preemption_disabled+0x48/0x280 [ 1162.634933] ? kasan_check_read+0x11/0x20 [ 1162.639083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1162.644361] ? rcu_softirq_qs+0x20/0x20 [ 1162.648337] ? preempt_schedule+0x4d/0x60 [ 1162.652484] ? ___preempt_schedule+0x16/0x18 [ 1162.656900] ? bpf_test_run+0x25d/0x780 [ 1162.660886] ? netlink_diag_dump+0x2a0/0x2a0 [ 1162.665300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1162.670836] ? bpf_test_init.isra.10+0x70/0x100 [ 1162.675511] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1162.680276] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1162.685126] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1162.690662] ? fput+0x130/0x1a0 [ 1162.693941] ? __bpf_prog_get+0x9b/0x290 [ 1162.698001] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1162.702840] ? bpf_prog_test_run+0x130/0x1a0 [ 1162.707249] ? __x64_sys_bpf+0x3d8/0x520 [ 1162.711310] ? bpf_prog_get+0x20/0x20 [ 1162.715131] ? do_syscall_64+0x1b9/0x820 [ 1162.719188] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1162.724551] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1162.729479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1162.734322] ? trace_hardirqs_on_caller+0x310/0x310 [ 1162.739337] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1162.744352] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1162.749374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1162.754226] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1162.759607] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1162.759707] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1162.766622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.777086] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1162.786428] Call Trace: [ 1162.794082] [ 1162.796242] dump_stack+0x244/0x39d [ 1162.799871] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1162.805074] warn_alloc.cold.116+0xb7/0x1bd [ 1162.809393] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1162.814242] ? lock_downgrade+0x900/0x900 [ 1162.818396] ? trace_hardirqs_off+0xb8/0x310 [ 1162.822985] ? trace_hardirqs_off+0xb8/0x310 [ 1162.827403] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1162.832276] ? warn_alloc+0x120/0x120 [ 1162.836082] ? warn_alloc+0x120/0x120 [ 1162.839882] ? warn_alloc+0x120/0x120 [ 1162.843683] ? print_usage_bug+0xc0/0xc0 [ 1162.847745] ? print_usage_bug+0xc0/0xc0 [ 1162.851817] ? ktime_get+0x2c1/0x400 [ 1162.855531] ? check_preemption_disabled+0x48/0x280 [ 1162.860541] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1162.865034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1162.870567] ? should_fail+0x22d/0xd01 [ 1162.874456] ? kasan_check_read+0x11/0x20 [ 1162.878603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1162.883710] ? __lock_acquire+0x62f/0x4c20 [ 1162.887946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1162.893043] ? should_fail+0x22d/0xd01 [ 1162.896927] ? print_usage_bug+0xc0/0xc0 [ 1162.900993] ? mark_held_locks+0x130/0x130 [ 1162.905789] ? mark_held_locks+0x130/0x130 [ 1162.910024] ? check_preemption_disabled+0x48/0x280 [ 1162.915044] ? zap_class+0x640/0x640 [ 1162.918755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1162.923514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1162.929051] ? check_preemption_disabled+0x48/0x280 [ 1162.934072] ? __lock_is_held+0xb5/0x140 [ 1162.938137] __alloc_pages_nodemask+0xa80/0xde0 [ 1162.942804] ? zap_class+0x640/0x640 [ 1162.946517] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1162.951571] ? find_held_lock+0x36/0x1c0 [ 1162.955636] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1162.960305] ? lock_downgrade+0x900/0x900 [ 1162.964462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1162.970002] cache_grow_begin+0xa5/0x8c0 [ 1162.974059] ? do_raw_spin_unlock+0xa7/0x330 [ 1162.978472] fallback_alloc+0x204/0x2e0 [ 1162.982451] ____cache_alloc_node+0x1c7/0x1e0 [ 1162.986948] kmem_cache_alloc_node+0xe3/0x730 [ 1162.991447] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1162.996038] __alloc_skb+0x119/0x770 [ 1162.999746] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1163.005117] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1163.009537] ? vprintk_default+0x28/0x30 [ 1163.013593] ? vprintk_func+0x85/0x181 [ 1163.017483] ? printk+0xa7/0xcf [ 1163.020766] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1163.025535] new_skb+0x26/0x1c0 [ 1163.028813] aoecmd_cfg+0x279/0x7f0 [ 1163.032441] ? find_held_lock+0x36/0x1c0 [ 1163.036501] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1163.040824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.046370] ? __lock_is_held+0xb5/0x140 [ 1163.050447] discover_timer+0x50/0x60 [ 1163.054240] call_timer_fn+0x272/0x920 [ 1163.058134] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1163.062972] ? process_timeout+0x40/0x40 [ 1163.067037] ? mark_held_locks+0xc7/0x130 [ 1163.071182] ? _raw_spin_unlock_irq+0x27/0x80 [ 1163.075672] ? _raw_spin_unlock_irq+0x27/0x80 [ 1163.080163] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1163.085006] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1163.089586] ? trace_hardirqs_on+0xbd/0x310 [ 1163.093901] ? kasan_check_read+0x11/0x20 [ 1163.098044] ? __run_timers+0x7da/0xc70 [ 1163.102018] ? trace_hardirqs_off_caller+0x310/0x310 [ 1163.107130] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1163.111967] __run_timers+0x7e5/0xc70 [ 1163.115778] ? timer_fixup_init+0x70/0x70 [ 1163.119923] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1163.124935] ? zap_class+0x640/0x640 [ 1163.128654] ? print_usage_bug+0xc0/0xc0 [ 1163.132729] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1163.137927] ? find_held_lock+0x36/0x1c0 [ 1163.141993] ? zap_class+0x640/0x640 [ 1163.145709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.151248] ? check_preemption_disabled+0x48/0x280 [ 1163.156268] ? __lock_is_held+0xb5/0x140 [ 1163.160326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.165860] ? check_preemption_disabled+0x48/0x280 [ 1163.170882] run_timer_softirq+0x52/0xb0 [ 1163.174938] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1163.179953] __do_softirq+0x308/0xb7e [ 1163.183757] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1163.188247] ? lock_downgrade+0x900/0x900 [ 1163.192402] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1163.197518] ? pvclock_read_flags+0x160/0x160 [ 1163.202013] ? lapic_next_event+0x5a/0x90 [ 1163.206164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.211701] ? kvm_clock_read+0x18/0x30 [ 1163.215671] ? kvm_sched_clock_read+0x9/0x20 [ 1163.220079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.225613] ? check_preemption_disabled+0x48/0x280 [ 1163.230637] irq_exit+0x17f/0x1c0 [ 1163.234088] smp_apic_timer_interrupt+0x1cb/0x760 [ 1163.238925] ? smp_reschedule_interrupt+0x109/0x650 [ 1163.243940] ? smp_call_function_single_interrupt+0x650/0x650 [ 1163.249821] ? interrupt_entry+0xb5/0xc0 [ 1163.253879] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1163.258892] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1163.263906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1163.268755] ? trace_hardirqs_on_caller+0x310/0x310 [ 1163.273767] ? trace_hardirqs_on_caller+0x310/0x310 [ 1163.278781] ? task_prio+0x50/0x50 [ 1163.282324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.287860] ? check_preemption_disabled+0x48/0x280 [ 1163.292881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1163.298184] apic_timer_interrupt+0xf/0x20 [ 1163.302410] [ 1163.304647] RIP: 0010:console_unlock+0x102f/0x1190 [ 1163.309573] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1163.328468] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1163.336171] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1163.343434] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1163.350697] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1163.357960] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1163.365227] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1163.372497] ? netconsole_netdev_event+0x280/0x280 [ 1163.377428] ? console_unlock+0x1026/0x1190 [ 1163.381771] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1163.386432] ? vprintk_emit+0x846/0x990 [ 1163.390407] ? lock_release+0xa00/0xa00 [ 1163.394388] ? trace_hardirqs_on+0x70/0x310 [ 1163.398707] ? vprintk_default+0x28/0x30 [ 1163.402771] ? trace_hardirqs_off_caller+0x310/0x310 [ 1163.407871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.413413] vprintk_emit+0x391/0x990 [ 1163.417213] ? wake_up_klogd+0x180/0x180 [ 1163.421275] ? find_held_lock+0x11/0x1c0 [ 1163.425344] ? mark_held_locks+0xc7/0x130 [ 1163.429507] ? _raw_spin_unlock_irq+0x27/0x80 [ 1163.433997] ? _raw_spin_unlock_irq+0x27/0x80 [ 1163.438495] vprintk_default+0x28/0x30 [ 1163.442381] vprintk_func+0x7e/0x181 [ 1163.446093] printk+0xa7/0xcf [ 1163.449196] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1163.453955] ? _raw_spin_unlock_irq+0x60/0x80 [ 1163.458457] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1163.463742] dump_header+0x7cc/0xf72 [ 1163.467461] ? pagefault_out_of_memory+0x197/0x197 [ 1163.472402] ? __lock_acquire+0x62f/0x4c20 [ 1163.476639] ? print_usage_bug+0xc0/0xc0 [ 1163.480703] ? zap_class+0x640/0x640 [ 1163.484418] ? print_usage_bug+0xc0/0xc0 [ 1163.488474] ? print_usage_bug+0xc0/0xc0 [ 1163.492536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.498072] ? find_held_lock+0x36/0x1c0 [ 1163.502136] ? mark_held_locks+0xc7/0x130 [ 1163.506280] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1163.511384] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1163.516483] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1163.521062] ? trace_hardirqs_on+0xbd/0x310 [ 1163.525385] ? kasan_check_read+0x11/0x20 [ 1163.529529] ? ___ratelimit+0x3b4/0x672 [ 1163.533502] ? trace_hardirqs_off_caller+0x310/0x310 [ 1163.538600] ? trace_hardirqs_on+0x310/0x310 [ 1163.543012] ? lock_downgrade+0x900/0x900 [ 1163.547166] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1163.552263] ? ___ratelimit+0x3b9/0x672 [ 1163.556234] ? idr_get_free+0xf70/0xf70 [ 1163.560202] ? find_held_lock+0x36/0x1c0 [ 1163.564267] oom_kill_process.cold.27+0x10/0x903 [ 1163.569018] ? zap_class+0x640/0x640 [ 1163.572732] ? check_preemption_disabled+0x48/0x280 [ 1163.577747] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1163.582672] ? kasan_check_read+0x11/0x20 [ 1163.586814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1163.592087] ? oom_evaluate_task+0x540/0x540 [ 1163.596495] ? find_held_lock+0x36/0x1c0 [ 1163.600563] ? out_of_memory+0x974/0x1430 [ 1163.604739] ? lock_downgrade+0x900/0x900 [ 1163.608901] ? check_preemption_disabled+0x48/0x280 [ 1163.613916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1163.618841] ? kasan_check_read+0x11/0x20 [ 1163.622987] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1163.628262] ? rcu_softirq_qs+0x20/0x20 [ 1163.632236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1163.637768] ? oom_evaluate_task+0x302/0x540 [ 1163.642174] out_of_memory+0xa84/0x1430 [ 1163.646150] ? oom_killer_disable+0x3a0/0x3a0 [ 1163.650644] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1163.655574] ? __ww_mutex_check_waiters+0x160/0x160 [ 1163.660596] __alloc_pages_slowpath+0x2354/0x2e10 [ 1163.665463] ? warn_alloc+0x120/0x120 [ 1163.669259] ? mark_held_locks+0x130/0x130 [ 1163.673494] ? find_get_entry+0xaae/0x1120 [ 1163.677819] ? filemap_map_pages+0x1a20/0x1a20 [ 1163.682401] ? zap_class+0x640/0x640 [ 1163.686115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1163.691652] ? check_preemption_disabled+0x48/0x280 [ 1163.696662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1163.702193] ? should_fail+0x22d/0xd01 [ 1163.706098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1163.711203] ? zap_class+0x640/0x640 [ 1163.714937] ? __lock_is_held+0xb5/0x140 [ 1163.719004] ? mark_held_locks+0x130/0x130 [ 1163.723239] ? lock_release+0xa00/0xa00 [ 1163.727209] ? perf_trace_sched_process_exec+0x860/0x860 [ 1163.732655] ? xa_load+0x2ba/0x460 [ 1163.736193] ? lock_downgrade+0x900/0x900 [ 1163.740351] ? __might_sleep+0x95/0x190 [ 1163.744327] __alloc_pages_nodemask+0xa80/0xde0 [ 1163.749004] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1163.754017] ? __page_cache_alloc+0x191/0x5c0 [ 1163.758509] ? xa_load+0x2e1/0x460 [ 1163.762047] ? xa_clear_mark+0x40/0x40 [ 1163.765932] ? zap_class+0x640/0x640 [ 1163.769649] ? zap_class+0x640/0x640 [ 1163.773368] ? zap_class+0x640/0x640 [ 1163.777081] ? __do_page_cache_readahead+0x663/0x810 [ 1163.782188] ? find_held_lock+0x36/0x1c0 [ 1163.786250] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1163.791791] alloc_pages_current+0x173/0x350 [ 1163.796200] __page_cache_alloc+0x38c/0x5c0 [ 1163.800520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1163.805448] ? kasan_check_read+0x11/0x20 [ 1163.809594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1163.814867] ? generic_perform_write+0x6a0/0x6a0 [ 1163.819620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1163.825169] ? check_preemption_disabled+0x48/0x280 [ 1163.830193] filemap_fault+0x1595/0x25f0 [ 1163.834262] ? __lock_page_or_retry+0xa00/0xa00 [ 1163.838927] ? mark_held_locks+0x130/0x130 [ 1163.843165] ? filemap_map_pages+0xd6b/0x1a20 [ 1163.847655] ? lock_downgrade+0x900/0x900 [ 1163.851798] ? check_preemption_disabled+0x48/0x280 [ 1163.856815] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1163.861740] ? kasan_check_read+0x11/0x20 [ 1163.865881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1163.871152] ? rcu_softirq_qs+0x20/0x20 [ 1163.875139] ? filemap_map_pages+0xd92/0x1a20 [ 1163.879641] ? find_get_entries_tag+0x1400/0x1400 [ 1163.884477] ? find_held_lock+0x36/0x1c0 [ 1163.888553] ? lock_acquire+0x1ed/0x520 [ 1163.892538] ? ext4_filemap_fault+0x7a/0xad [ 1163.896862] ? lock_release+0xa00/0xa00 [ 1163.900828] ? perf_trace_sched_process_exec+0x860/0x860 [ 1163.906416] ? print_usage_bug+0xc0/0xc0 [ 1163.910491] ? down_read+0x8d/0x120 [ 1163.914110] ? ext4_filemap_fault+0x7a/0xad [ 1163.918431] ? __down_interruptible+0x700/0x700 [ 1163.923102] ? find_held_lock+0x36/0x1c0 [ 1163.927167] ext4_filemap_fault+0x82/0xad [ 1163.931318] __do_fault+0x100/0x6b0 [ 1163.934951] ? lock_downgrade+0x900/0x900 [ 1163.939101] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1163.944204] ? kasan_check_read+0x11/0x20 [ 1163.948353] ? do_raw_spin_unlock+0xa7/0x330 [ 1163.952757] ? do_raw_spin_trylock+0x270/0x270 [ 1163.957355] __handle_mm_fault+0x3ea0/0x5be0 [ 1163.961756] ? perf_trace_lock+0x7a0/0x7a0 [ 1163.966003] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1163.970852] ? ksys_dup3+0x680/0x680 [ 1163.974576] ? zap_class+0x640/0x640 [ 1163.978284] ? zap_class+0x640/0x640 [ 1163.981994] ? __x64_sys_futex+0x53e/0x6a0 [ 1163.986231] ? find_held_lock+0x36/0x1c0 [ 1163.990296] ? handle_mm_fault+0x42a/0xc70 [ 1163.994537] ? lock_downgrade+0x900/0x900 [ 1163.998686] ? check_preemption_disabled+0x48/0x280 [ 1164.003703] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1164.008632] ? kasan_check_read+0x11/0x20 [ 1164.012775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1164.018048] ? rcu_softirq_qs+0x20/0x20 [ 1164.022018] ? trace_hardirqs_off_caller+0x310/0x310 [ 1164.027121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1164.032655] ? check_preemption_disabled+0x48/0x280 [ 1164.037685] handle_mm_fault+0x54f/0xc70 [ 1164.041746] ? __handle_mm_fault+0x5be0/0x5be0 [ 1164.046339] ? find_vma+0x34/0x190 [ 1164.049879] __do_page_fault+0x5e8/0xe60 [ 1164.053935] ? trace_hardirqs_off+0xb8/0x310 [ 1164.058346] ? kernel_write+0x120/0x120 [ 1164.062335] do_page_fault+0xf2/0x7e0 [ 1164.066137] ? vmalloc_sync_all+0x30/0x30 [ 1164.070661] ? error_entry+0x70/0xd0 [ 1164.074380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1164.079392] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1164.084325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1164.089252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1164.094090] ? trace_hardirqs_on_caller+0x310/0x310 [ 1164.099101] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1164.104553] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1164.109564] ? page_fault+0x8/0x30 [ 1164.113106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1164.117948] ? page_fault+0x8/0x30 [ 1164.121486] page_fault+0x1e/0x30 [ 1164.124937] RIP: 0033:0x404068 [ 1164.128152] Code: Bad RIP value. [ 1164.131508] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1164.136863] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1164.144214] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1164.151477] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1164.158741] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1164.166005] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1164.173295] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1164.173299] warn_alloc_show_mem: 1 callbacks suppressed [ 1164.173313] Mem-Info: [ 1164.180582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1164.185944] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1164.185944] active_file:12 inactive_file:9 isolated_file:0 [ 1164.185944] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1164.185944] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1164.185944] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1164.185944] free:13627 free_pcp:121 free_cma:0 [ 1164.188318] Call Trace: [ 1164.197699] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1164.230540] [ 1164.233106] 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 [ 1164.260857] dump_stack+0x244/0x39d [ 1164.262977] lowmem_reserve[]: 0 2818 6321 6321 [ 1164.289081] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1164.292679] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1164.297260] warn_alloc.cold.116+0xb7/0x1bd [ 1164.302407] lowmem_reserve[]: 0 0 3503 3503 [ 1164.329728] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1164.334020] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1164.338338] ? lock_downgrade+0x900/0x900 [ 1164.343150] lowmem_reserve[]: 0 0 0 0 [ 1164.371862] ? trace_hardirqs_off+0xb8/0x310 [ 1164.375980] 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 [ 1164.379777] ? trace_hardirqs_off+0xb8/0x310 [ 1164.384161] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1164.397681] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1164.402057] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1164.417681] ? warn_alloc+0x120/0x120 [ 1164.422483] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1164.435905] ? warn_alloc+0x120/0x120 [ 1164.439680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1164.448500] ? warn_alloc+0x120/0x120 [ 1164.452269] 4359 total pagecache pages [ 1164.460835] ? print_usage_bug+0xc0/0xc0 [ 1164.464616] 0 pages in swap cache [ 1164.468484] ? idle_cpu+0x1d0/0x1d0 [ 1164.472515] Swap cache stats: add 0, delete 0, find 0/0 [ 1164.472522] Free swap = 0kB [ 1164.475961] ? kvm_sched_clock_read+0x9/0x20 [ 1164.479557] Total swap = 0kB [ 1164.484911] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1164.487903] 1965979 pages RAM [ 1164.492300] ? print_usage_bug+0xc0/0xc0 [ 1164.495298] 0 pages HighMem/MovableOnly [ 1164.500316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1164.503389] 342854 pages reserved [ 1164.507440] ? should_fail+0x22d/0xd01 [ 1164.511383] 0 pages cma reserved [ 1164.516914] ? __msecs_to_jiffies+0x4a/0x60 [ 1164.520387] aoe: skb alloc failure [ 1164.524213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1164.527604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1164.531865] ? __lock_acquire+0x62f/0x4c20 [ 1164.535376] syz-fuzzer cpuset=/ mems_allowed=0 [ 1164.540472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1164.564539] ? __lock_acquire+0x62f/0x4c20 [ 1164.568769] ? should_fail+0x22d/0xd01 [ 1164.572668] ? mark_held_locks+0x130/0x130 [ 1164.576904] ? mark_held_locks+0x130/0x130 [ 1164.581134] ? try_to_wake_up+0x11c/0x1490 [ 1164.585377] ? zap_class+0x640/0x640 [ 1164.589088] ? print_usage_bug+0xc0/0xc0 [ 1164.593153] ? trace_hardirqs_off+0xb8/0x310 [ 1164.597559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.603093] ? check_preemption_disabled+0x48/0x280 [ 1164.608112] ? __lock_is_held+0xb5/0x140 [ 1164.612181] __alloc_pages_nodemask+0xa80/0xde0 [ 1164.616844] ? zap_class+0x640/0x640 [ 1164.620559] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1164.625581] ? find_held_lock+0x36/0x1c0 [ 1164.629650] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1164.634317] ? lock_downgrade+0x900/0x900 [ 1164.638468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.644008] cache_grow_begin+0xa5/0x8c0 [ 1164.648066] ? do_raw_spin_unlock+0xa7/0x330 [ 1164.652482] fallback_alloc+0x204/0x2e0 [ 1164.656459] ____cache_alloc_node+0x1c7/0x1e0 [ 1164.660956] kmem_cache_alloc_node+0xe3/0x730 [ 1164.665487] ? ipv6_get_ifaddr+0x42e/0x620 [ 1164.669728] __alloc_skb+0x119/0x770 [ 1164.673435] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1164.678713] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1164.683117] ? lock_downgrade+0x900/0x900 [ 1164.687279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.692814] ? refcount_sub_and_test_checked+0x203/0x310 [ 1164.698302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1164.703751] ? addrconf_rs_timer+0x690/0x690 [ 1164.708172] ndisc_alloc_skb+0x144/0x340 [ 1164.712235] ndisc_send_rs+0x331/0x6e0 [ 1164.716134] addrconf_rs_timer+0x314/0x690 [ 1164.720372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1164.724616] call_timer_fn+0x272/0x920 [ 1164.728499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1164.732730] ? process_timeout+0x40/0x40 [ 1164.736796] ? __run_timers+0x7da/0xc70 [ 1164.740768] ? _raw_spin_unlock_irq+0x27/0x80 [ 1164.745267] ? _raw_spin_unlock_irq+0x27/0x80 [ 1164.749758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1164.753988] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1164.758570] ? trace_hardirqs_on+0xbd/0x310 [ 1164.762889] ? kasan_check_read+0x11/0x20 [ 1164.767031] ? __run_timers+0x7da/0xc70 [ 1164.771000] ? trace_hardirqs_off_caller+0x310/0x310 [ 1164.776112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1164.780343] __run_timers+0x7e5/0xc70 [ 1164.784152] ? timer_fixup_init+0x70/0x70 [ 1164.788298] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1164.793314] ? zap_class+0x640/0x640 [ 1164.797028] ? enqueue_hrtimer+0x1a5/0x560 [ 1164.801266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1164.806471] ? find_held_lock+0x36/0x1c0 [ 1164.810534] ? zap_class+0x640/0x640 [ 1164.814250] ? pvclock_read_flags+0x160/0x160 [ 1164.818752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.824286] ? check_preemption_disabled+0x48/0x280 [ 1164.829312] ? __lock_is_held+0xb5/0x140 [ 1164.833373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.838904] ? check_preemption_disabled+0x48/0x280 [ 1164.843925] run_timer_softirq+0x52/0xb0 [ 1164.847982] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1164.852994] __do_softirq+0x308/0xb7e [ 1164.856796] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1164.861290] ? lock_downgrade+0x900/0x900 [ 1164.865454] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1164.870558] ? pvclock_read_flags+0x160/0x160 [ 1164.875066] ? lapic_next_event+0x5a/0x90 [ 1164.879212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.884749] ? kvm_clock_read+0x18/0x30 [ 1164.888721] ? kvm_sched_clock_read+0x9/0x20 [ 1164.893130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.898663] ? check_preemption_disabled+0x48/0x280 [ 1164.904126] irq_exit+0x17f/0x1c0 [ 1164.907583] smp_apic_timer_interrupt+0x1cb/0x760 [ 1164.912419] ? smp_reschedule_interrupt+0x109/0x650 [ 1164.917434] ? smp_call_function_single_interrupt+0x650/0x650 [ 1164.923316] ? interrupt_entry+0xb5/0xc0 [ 1164.927375] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1164.932383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1164.937396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1164.942237] ? trace_hardirqs_on_caller+0x310/0x310 [ 1164.947261] ? trace_hardirqs_on_caller+0x310/0x310 [ 1164.952279] ? task_prio+0x50/0x50 [ 1164.955823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1164.961357] ? check_preemption_disabled+0x48/0x280 [ 1164.966376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1164.971225] apic_timer_interrupt+0xf/0x20 [ 1164.975455] [ 1164.977700] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1164.982626] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1165.001522] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1165.009223] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1165.016491] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1165.023756] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1165.031022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1165.038289] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1165.045593] skb_clone+0x1bb/0x500 [ 1165.049133] ? finish_task_switch+0x2f4/0x910 [ 1165.053627] ? skb_split+0x11e0/0x11e0 [ 1165.057512] ? preempt_notifier_register+0x200/0x200 [ 1165.062613] ? __switch_to_asm+0x34/0x70 [ 1165.066673] ? __switch_to_asm+0x34/0x70 [ 1165.071243] ? __switch_to_asm+0x40/0x70 [ 1165.075301] ? __switch_to_asm+0x34/0x70 [ 1165.079370] ? __switch_to_asm+0x40/0x70 [ 1165.083426] ? __switch_to_asm+0x34/0x70 [ 1165.087479] ? __switch_to_asm+0x40/0x70 [ 1165.091529] ? __switch_to_asm+0x34/0x70 [ 1165.095589] ? __switch_to_asm+0x34/0x70 [ 1165.099644] ? __switch_to_asm+0x40/0x70 [ 1165.103699] ? __switch_to_asm+0x34/0x70 [ 1165.107761] bpf_clone_redirect+0xb9/0x490 [ 1165.111995] ? __schedule+0x8d7/0x21d0 [ 1165.115889] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1165.120903] ? __sched_text_start+0x8/0x8 [ 1165.125061] ? find_held_lock+0x36/0x1c0 [ 1165.129130] ? lock_acquire+0x1ed/0x520 [ 1165.133106] ? bpf_test_run+0x3cb/0x780 [ 1165.137081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.142619] ? check_preemption_disabled+0x48/0x280 [ 1165.147726] ? kasan_check_read+0x11/0x20 [ 1165.151872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1165.157147] ? rcu_softirq_qs+0x20/0x20 [ 1165.161122] ? preempt_schedule+0x4d/0x60 [ 1165.165268] ? ___preempt_schedule+0x16/0x18 [ 1165.169683] ? bpf_test_run+0x25d/0x780 [ 1165.173666] ? netlink_diag_dump+0x2a0/0x2a0 [ 1165.178098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1165.183633] ? bpf_test_init.isra.10+0x70/0x100 [ 1165.188306] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1165.193067] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1165.197908] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1165.203440] ? fput+0x130/0x1a0 [ 1165.206721] ? __bpf_prog_get+0x9b/0x290 [ 1165.210785] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1165.215621] ? bpf_prog_test_run+0x130/0x1a0 [ 1165.220028] ? __x64_sys_bpf+0x3d8/0x520 [ 1165.224089] ? bpf_prog_get+0x20/0x20 [ 1165.227904] ? do_syscall_64+0x1b9/0x820 [ 1165.231962] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1165.237328] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1165.242253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1165.247098] ? trace_hardirqs_on_caller+0x310/0x310 [ 1165.252113] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1165.257129] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1165.262145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1165.267076] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1165.272475] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1165.272540] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1165.279495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1165.279500] Call Trace: [ 1165.279506] [ 1165.279523] dump_stack+0x244/0x39d [ 1165.279542] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1165.286098] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1165.295360] warn_alloc.cold.116+0xb7/0x1bd [ 1165.297913] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1165.300055] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1165.333515] ? lock_downgrade+0x900/0x900 [ 1165.337668] ? trace_hardirqs_off+0xb8/0x310 [ 1165.342080] ? trace_hardirqs_off+0xb8/0x310 [ 1165.346491] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1165.351361] ? warn_alloc+0x120/0x120 [ 1165.355162] ? warn_alloc+0x120/0x120 [ 1165.358963] ? warn_alloc+0x120/0x120 [ 1165.362759] ? print_usage_bug+0xc0/0xc0 [ 1165.366823] ? print_usage_bug+0xc0/0xc0 [ 1165.370879] ? ktime_get+0x2c1/0x400 [ 1165.374598] ? check_preemption_disabled+0x48/0x280 [ 1165.379611] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1165.384104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1165.389636] ? should_fail+0x22d/0xd01 [ 1165.393524] ? kasan_check_read+0x11/0x20 [ 1165.397674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1165.402779] ? __lock_acquire+0x62f/0x4c20 [ 1165.407011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1165.412108] ? should_fail+0x22d/0xd01 [ 1165.415989] ? print_usage_bug+0xc0/0xc0 [ 1165.420055] ? mark_held_locks+0x130/0x130 [ 1165.424289] ? mark_held_locks+0x130/0x130 [ 1165.428519] ? check_preemption_disabled+0x48/0x280 [ 1165.433538] ? zap_class+0x640/0x640 [ 1165.437253] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1165.442011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.447548] ? check_preemption_disabled+0x48/0x280 [ 1165.452575] ? __lock_is_held+0xb5/0x140 [ 1165.456638] __alloc_pages_nodemask+0xa80/0xde0 [ 1165.461307] ? zap_class+0x640/0x640 [ 1165.465026] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1165.470048] ? find_held_lock+0x36/0x1c0 [ 1165.474114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1165.478782] ? lock_downgrade+0x900/0x900 [ 1165.482934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.488474] cache_grow_begin+0xa5/0x8c0 [ 1165.492533] ? do_raw_spin_unlock+0xa7/0x330 [ 1165.496962] fallback_alloc+0x204/0x2e0 [ 1165.500944] ____cache_alloc_node+0x1c7/0x1e0 [ 1165.505440] kmem_cache_alloc_node+0xe3/0x730 [ 1165.509931] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1165.514519] __alloc_skb+0x119/0x770 [ 1165.518228] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1165.523597] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1165.528012] ? vprintk_default+0x28/0x30 [ 1165.532069] ? vprintk_func+0x85/0x181 [ 1165.535954] ? printk+0xa7/0xcf [ 1165.539228] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1165.543988] new_skb+0x26/0x1c0 [ 1165.547268] aoecmd_cfg+0x279/0x7f0 [ 1165.550896] ? find_held_lock+0x36/0x1c0 [ 1165.554959] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1165.559285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.564831] ? __lock_is_held+0xb5/0x140 [ 1165.568900] discover_timer+0x50/0x60 [ 1165.572695] call_timer_fn+0x272/0x920 [ 1165.576582] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1165.581422] ? process_timeout+0x40/0x40 [ 1165.585487] ? mark_held_locks+0xc7/0x130 [ 1165.589631] ? _raw_spin_unlock_irq+0x27/0x80 [ 1165.594125] ? _raw_spin_unlock_irq+0x27/0x80 [ 1165.598617] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1165.603457] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1165.608039] ? trace_hardirqs_on+0xbd/0x310 [ 1165.612356] ? kasan_check_read+0x11/0x20 [ 1165.616498] ? __run_timers+0x7da/0xc70 [ 1165.620472] ? trace_hardirqs_off_caller+0x310/0x310 [ 1165.625590] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1165.630428] __run_timers+0x7e5/0xc70 [ 1165.634237] ? timer_fixup_init+0x70/0x70 [ 1165.638383] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1165.643395] ? zap_class+0x640/0x640 [ 1165.647108] ? print_usage_bug+0xc0/0xc0 [ 1165.651167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1165.656368] ? find_held_lock+0x36/0x1c0 [ 1165.660433] ? zap_class+0x640/0x640 [ 1165.664150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.669688] ? check_preemption_disabled+0x48/0x280 [ 1165.674710] ? __lock_is_held+0xb5/0x140 [ 1165.678767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.684301] ? check_preemption_disabled+0x48/0x280 [ 1165.689317] run_timer_softirq+0x52/0xb0 [ 1165.693375] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1165.698389] __do_softirq+0x308/0xb7e [ 1165.702199] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1165.706700] ? lock_downgrade+0x900/0x900 [ 1165.710849] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1165.715956] ? pvclock_read_flags+0x160/0x160 [ 1165.720449] ? lapic_next_event+0x5a/0x90 [ 1165.724595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.730131] ? kvm_clock_read+0x18/0x30 [ 1165.734101] ? kvm_sched_clock_read+0x9/0x20 [ 1165.738507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.744041] ? check_preemption_disabled+0x48/0x280 [ 1165.749071] irq_exit+0x17f/0x1c0 [ 1165.752522] smp_apic_timer_interrupt+0x1cb/0x760 [ 1165.757361] ? smp_reschedule_interrupt+0x109/0x650 [ 1165.762374] ? smp_call_function_single_interrupt+0x650/0x650 [ 1165.768265] ? interrupt_entry+0xb5/0xc0 [ 1165.772325] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1165.777336] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1165.782349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1165.787195] ? trace_hardirqs_on_caller+0x310/0x310 [ 1165.792211] ? trace_hardirqs_on_caller+0x310/0x310 [ 1165.797225] ? task_prio+0x50/0x50 [ 1165.800765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.806301] ? check_preemption_disabled+0x48/0x280 [ 1165.811321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1165.816167] apic_timer_interrupt+0xf/0x20 [ 1165.820403] [ 1165.822639] RIP: 0010:console_unlock+0x102f/0x1190 [ 1165.827569] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1165.846463] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1165.854168] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1165.861439] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1165.868701] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1165.875964] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1165.883226] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1165.890497] ? netconsole_netdev_event+0x280/0x280 [ 1165.895429] ? console_unlock+0x1026/0x1190 [ 1165.899766] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1165.904428] ? vprintk_emit+0x846/0x990 [ 1165.908404] ? lock_release+0xa00/0xa00 [ 1165.912377] ? trace_hardirqs_on+0x70/0x310 [ 1165.916698] ? vprintk_default+0x28/0x30 [ 1165.920757] ? trace_hardirqs_off_caller+0x310/0x310 [ 1165.925857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1165.931396] vprintk_emit+0x391/0x990 [ 1165.935205] ? wake_up_klogd+0x180/0x180 [ 1165.939268] ? find_held_lock+0x11/0x1c0 [ 1165.943340] ? mark_held_locks+0xc7/0x130 [ 1165.947490] ? _raw_spin_unlock_irq+0x27/0x80 [ 1165.951977] ? _raw_spin_unlock_irq+0x27/0x80 [ 1165.956473] vprintk_default+0x28/0x30 [ 1165.960355] vprintk_func+0x7e/0x181 [ 1165.964065] printk+0xa7/0xcf [ 1165.967178] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1165.971935] ? _raw_spin_unlock_irq+0x60/0x80 [ 1165.976439] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1165.981717] dump_header+0x7cc/0xf72 [ 1165.985439] ? pagefault_out_of_memory+0x197/0x197 [ 1165.990375] ? __lock_acquire+0x62f/0x4c20 [ 1165.994613] ? print_usage_bug+0xc0/0xc0 [ 1165.998680] ? zap_class+0x640/0x640 [ 1166.002391] ? print_usage_bug+0xc0/0xc0 [ 1166.006451] ? print_usage_bug+0xc0/0xc0 [ 1166.010516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1166.016074] ? find_held_lock+0x36/0x1c0 [ 1166.020143] ? mark_held_locks+0xc7/0x130 [ 1166.024293] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1166.029395] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1166.034500] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1166.039085] ? trace_hardirqs_on+0xbd/0x310 [ 1166.043404] ? kasan_check_read+0x11/0x20 [ 1166.047553] ? ___ratelimit+0x3b4/0x672 [ 1166.051526] ? trace_hardirqs_off_caller+0x310/0x310 [ 1166.056630] ? trace_hardirqs_on+0x310/0x310 [ 1166.061035] ? lock_downgrade+0x900/0x900 [ 1166.065190] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1166.070660] ? ___ratelimit+0x3b9/0x672 [ 1166.074638] ? idr_get_free+0xf70/0xf70 [ 1166.078614] ? find_held_lock+0x36/0x1c0 [ 1166.082687] oom_kill_process.cold.27+0x10/0x903 [ 1166.087437] ? zap_class+0x640/0x640 [ 1166.091149] ? check_preemption_disabled+0x48/0x280 [ 1166.096183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1166.101105] ? kasan_check_read+0x11/0x20 [ 1166.105246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1166.110525] ? oom_evaluate_task+0x540/0x540 [ 1166.114932] ? find_held_lock+0x36/0x1c0 [ 1166.118999] ? out_of_memory+0x974/0x1430 [ 1166.123146] ? lock_downgrade+0x900/0x900 [ 1166.127298] ? check_preemption_disabled+0x48/0x280 [ 1166.132312] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1166.137237] ? kasan_check_read+0x11/0x20 [ 1166.141382] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1166.146654] ? rcu_softirq_qs+0x20/0x20 [ 1166.150630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1166.156166] ? oom_evaluate_task+0x302/0x540 [ 1166.160577] out_of_memory+0xa84/0x1430 [ 1166.164556] ? oom_killer_disable+0x3a0/0x3a0 [ 1166.169046] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1166.173977] ? __ww_mutex_check_waiters+0x160/0x160 [ 1166.179001] __alloc_pages_slowpath+0x2354/0x2e10 [ 1166.183871] ? warn_alloc+0x120/0x120 [ 1166.187665] ? mark_held_locks+0x130/0x130 [ 1166.191899] ? find_get_entry+0xaae/0x1120 [ 1166.196139] ? filemap_map_pages+0x1a20/0x1a20 [ 1166.200727] ? zap_class+0x640/0x640 [ 1166.204446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1166.209995] ? check_preemption_disabled+0x48/0x280 [ 1166.215009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1166.220543] ? should_fail+0x22d/0xd01 [ 1166.224430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1166.229533] ? zap_class+0x640/0x640 [ 1166.233265] ? __lock_is_held+0xb5/0x140 [ 1166.237332] ? mark_held_locks+0x130/0x130 [ 1166.241566] ? lock_release+0xa00/0xa00 [ 1166.245536] ? perf_trace_sched_process_exec+0x860/0x860 [ 1166.250997] ? xa_load+0x2ba/0x460 [ 1166.254533] ? lock_downgrade+0x900/0x900 [ 1166.258682] ? __might_sleep+0x95/0x190 [ 1166.262655] __alloc_pages_nodemask+0xa80/0xde0 [ 1166.267327] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1166.272343] ? __page_cache_alloc+0x191/0x5c0 [ 1166.276832] ? xa_load+0x2e1/0x460 [ 1166.280369] ? xa_clear_mark+0x40/0x40 [ 1166.284254] ? zap_class+0x640/0x640 [ 1166.287971] ? zap_class+0x640/0x640 [ 1166.291678] ? zap_class+0x640/0x640 [ 1166.295390] ? __do_page_cache_readahead+0x663/0x810 [ 1166.300493] ? find_held_lock+0x36/0x1c0 [ 1166.304563] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1166.310100] alloc_pages_current+0x173/0x350 [ 1166.314521] __page_cache_alloc+0x38c/0x5c0 [ 1166.318839] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1166.323763] ? kasan_check_read+0x11/0x20 [ 1166.327914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1166.333188] ? generic_perform_write+0x6a0/0x6a0 [ 1166.337944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1166.343494] ? check_preemption_disabled+0x48/0x280 [ 1166.348522] filemap_fault+0x1595/0x25f0 [ 1166.352594] ? __lock_page_or_retry+0xa00/0xa00 [ 1166.357262] ? mark_held_locks+0x130/0x130 [ 1166.361507] ? filemap_map_pages+0xd6b/0x1a20 [ 1166.365999] ? lock_downgrade+0x900/0x900 [ 1166.370148] ? check_preemption_disabled+0x48/0x280 [ 1166.375165] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1166.380087] ? kasan_check_read+0x11/0x20 [ 1166.384229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1166.389505] ? rcu_softirq_qs+0x20/0x20 [ 1166.393491] ? filemap_map_pages+0xd92/0x1a20 [ 1166.397999] ? find_get_entries_tag+0x1400/0x1400 [ 1166.402840] ? find_held_lock+0x36/0x1c0 [ 1166.406918] ? lock_acquire+0x1ed/0x520 [ 1166.410901] ? ext4_filemap_fault+0x7a/0xad [ 1166.415230] ? lock_release+0xa00/0xa00 [ 1166.419197] ? perf_trace_sched_process_exec+0x860/0x860 [ 1166.424647] ? print_usage_bug+0xc0/0xc0 [ 1166.428715] ? down_read+0x8d/0x120 [ 1166.432351] ? ext4_filemap_fault+0x7a/0xad [ 1166.436668] ? __down_interruptible+0x700/0x700 [ 1166.441339] ? find_held_lock+0x36/0x1c0 [ 1166.445401] ext4_filemap_fault+0x82/0xad [ 1166.449549] __do_fault+0x100/0x6b0 [ 1166.453177] ? lock_downgrade+0x900/0x900 [ 1166.457320] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1166.462431] ? kasan_check_read+0x11/0x20 [ 1166.466577] ? do_raw_spin_unlock+0xa7/0x330 [ 1166.470982] ? do_raw_spin_trylock+0x270/0x270 [ 1166.475676] __handle_mm_fault+0x3ea0/0x5be0 [ 1166.480078] ? perf_trace_lock+0x7a0/0x7a0 [ 1166.484317] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1166.489180] ? ksys_dup3+0x680/0x680 [ 1166.492907] ? zap_class+0x640/0x640 [ 1166.496615] ? zap_class+0x640/0x640 [ 1166.500325] ? __x64_sys_futex+0x53e/0x6a0 [ 1166.504562] ? find_held_lock+0x36/0x1c0 [ 1166.508630] ? handle_mm_fault+0x42a/0xc70 [ 1166.512860] ? lock_downgrade+0x900/0x900 [ 1166.517005] ? check_preemption_disabled+0x48/0x280 [ 1166.522020] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1166.526944] ? kasan_check_read+0x11/0x20 [ 1166.531086] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1166.536363] ? rcu_softirq_qs+0x20/0x20 [ 1166.540333] ? trace_hardirqs_off_caller+0x310/0x310 [ 1166.545445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1166.550980] ? check_preemption_disabled+0x48/0x280 [ 1166.555996] handle_mm_fault+0x54f/0xc70 [ 1166.560060] ? __handle_mm_fault+0x5be0/0x5be0 [ 1166.564643] ? find_vma+0x34/0x190 [ 1166.568186] __do_page_fault+0x5e8/0xe60 [ 1166.572243] ? trace_hardirqs_off+0xb8/0x310 [ 1166.576648] ? kernel_write+0x120/0x120 [ 1166.580626] do_page_fault+0xf2/0x7e0 [ 1166.584424] ? vmalloc_sync_all+0x30/0x30 [ 1166.588572] ? error_entry+0x70/0xd0 [ 1166.592283] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1166.597295] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1166.602224] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1166.607148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1166.611986] ? trace_hardirqs_on_caller+0x310/0x310 [ 1166.617002] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1166.622454] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1166.627466] ? page_fault+0x8/0x30 [ 1166.631011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1166.635849] ? page_fault+0x8/0x30 [ 1166.639385] page_fault+0x1e/0x30 [ 1166.642830] RIP: 0033:0x404068 [ 1166.646033] Code: Bad RIP value. [ 1166.649393] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1166.654749] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1166.662017] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1166.669278] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1166.676542] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1166.683805] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1166.691095] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1166.691099] warn_alloc_show_mem: 1 callbacks suppressed [ 1166.691113] Mem-Info: [ 1166.698383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1166.703747] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1166.703747] active_file:12 inactive_file:9 isolated_file:0 [ 1166.703747] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1166.703747] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1166.703747] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1166.703747] free:13627 free_pcp:121 free_cma:0 [ 1166.706125] Call Trace: [ 1166.715501] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1166.748340] [ 1166.750906] 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 [ 1166.778579] dump_stack+0x244/0x39d [ 1166.780703] lowmem_reserve[]: 0 2818 6321 6321 [ 1166.806803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1166.810398] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1166.814983] warn_alloc.cold.116+0xb7/0x1bd [ 1166.820133] lowmem_reserve[]: 0 0 3503 3503 [ 1166.847447] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1166.851745] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1166.856057] ? lock_downgrade+0x900/0x900 [ 1166.860870] lowmem_reserve[]: 0 0 0 0 [ 1166.889580] ? trace_hardirqs_off+0xb8/0x310 [ 1166.893693] 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 [ 1166.897488] ? trace_hardirqs_off+0xb8/0x310 [ 1166.902387] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1166.915931] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1166.920295] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1166.935917] ? warn_alloc+0x120/0x120 [ 1166.940714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1166.954135] ? print_usage_bug+0xc0/0xc0 [ 1166.957910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1166.966728] ? warn_alloc+0x120/0x120 [ 1166.970761] 4359 total pagecache pages [ 1166.979325] ? warn_alloc+0x120/0x120 [ 1166.983115] 0 pages in swap cache [ 1166.986985] ? print_usage_bug+0xc0/0xc0 [ 1166.990761] Swap cache stats: add 0, delete 0, find 0/0 [ 1166.994200] ? kvm_clock_read+0x18/0x30 [ 1166.998232] Free swap = 0kB [ 1167.003580] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1167.007521] Total swap = 0kB [ 1167.007528] 1965979 pages RAM [ 1167.010533] ? print_usage_bug+0xc0/0xc0 [ 1167.015515] 0 pages HighMem/MovableOnly [ 1167.015522] 342854 pages reserved [ 1167.018527] ? __lock_acquire+0x62f/0x4c20 [ 1167.021606] 0 pages cma reserved [ 1167.025658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1167.029657] aoe: skb alloc failure [ 1167.033049] ? should_fail+0x22d/0xd01 [ 1167.037306] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1167.040611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1167.046122] syz-fuzzer cpuset=/ mems_allowed=0 [ 1167.049649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1167.078623] ? __lock_acquire+0x62f/0x4c20 [ 1167.082861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1167.087962] ? __lock_acquire+0x62f/0x4c20 [ 1167.092192] ? should_fail+0x22d/0xd01 [ 1167.096077] ? rcu_irq_exit+0x1a2/0x390 [ 1167.100061] ? mark_held_locks+0x130/0x130 [ 1167.104304] ? mark_held_locks+0x130/0x130 [ 1167.108539] ? mark_held_locks+0xc7/0x130 [ 1167.113204] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 1167.118214] ? zap_class+0x640/0x640 [ 1167.121922] ? print_usage_bug+0xc0/0xc0 [ 1167.125986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.131522] ? check_preemption_disabled+0x48/0x280 [ 1167.136543] ? __lock_is_held+0xb5/0x140 [ 1167.140609] __alloc_pages_nodemask+0xa80/0xde0 [ 1167.145274] ? zap_class+0x640/0x640 [ 1167.148993] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1167.154017] ? find_held_lock+0x36/0x1c0 [ 1167.158091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1167.162759] ? lock_downgrade+0x900/0x900 [ 1167.166910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.172451] cache_grow_begin+0xa5/0x8c0 [ 1167.176508] ? do_raw_spin_unlock+0xa7/0x330 [ 1167.180920] fallback_alloc+0x204/0x2e0 [ 1167.184901] ____cache_alloc_node+0x1c7/0x1e0 [ 1167.189401] kmem_cache_alloc_node+0xe3/0x730 [ 1167.193892] ? ipv6_get_ifaddr+0x42e/0x620 [ 1167.198133] __alloc_skb+0x119/0x770 [ 1167.201841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1167.207117] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1167.211521] ? lock_downgrade+0x900/0x900 [ 1167.215673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.221208] ? refcount_sub_and_test_checked+0x203/0x310 [ 1167.226659] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 1167.232106] ? addrconf_rs_timer+0x690/0x690 [ 1167.236521] ndisc_alloc_skb+0x144/0x340 [ 1167.240582] ndisc_send_rs+0x331/0x6e0 [ 1167.244471] addrconf_rs_timer+0x314/0x690 [ 1167.248705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1167.252953] call_timer_fn+0x272/0x920 [ 1167.256840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1167.261078] ? process_timeout+0x40/0x40 [ 1167.265142] ? __run_timers+0x7da/0xc70 [ 1167.269117] ? _raw_spin_unlock_irq+0x27/0x80 [ 1167.273604] ? _raw_spin_unlock_irq+0x27/0x80 [ 1167.278097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1167.282332] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1167.286913] ? trace_hardirqs_on+0xbd/0x310 [ 1167.291236] ? kasan_check_read+0x11/0x20 [ 1167.295381] ? __run_timers+0x7da/0xc70 [ 1167.299357] ? trace_hardirqs_off_caller+0x310/0x310 [ 1167.304465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1167.308710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 1167.312939] __run_timers+0x7e5/0xc70 [ 1167.316747] ? timer_fixup_init+0x70/0x70 [ 1167.320896] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1167.325912] ? zap_class+0x640/0x640 [ 1167.329661] ? enqueue_hrtimer+0x1a5/0x560 [ 1167.333894] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1167.339094] ? find_held_lock+0x36/0x1c0 [ 1167.343159] ? zap_class+0x640/0x640 [ 1167.346874] ? pvclock_read_flags+0x160/0x160 [ 1167.351391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.356934] ? check_preemption_disabled+0x48/0x280 [ 1167.361958] ? __lock_is_held+0xb5/0x140 [ 1167.366019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.371560] ? check_preemption_disabled+0x48/0x280 [ 1167.376579] run_timer_softirq+0x52/0xb0 [ 1167.380635] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1167.385648] __do_softirq+0x308/0xb7e [ 1167.389451] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1167.393946] ? lock_downgrade+0x900/0x900 [ 1167.398097] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1167.403201] ? pvclock_read_flags+0x160/0x160 [ 1167.407698] ? lapic_next_event+0x5a/0x90 [ 1167.411843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.417384] ? kvm_clock_read+0x18/0x30 [ 1167.421352] ? kvm_sched_clock_read+0x9/0x20 [ 1167.425758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.431294] ? check_preemption_disabled+0x48/0x280 [ 1167.436314] irq_exit+0x17f/0x1c0 [ 1167.439763] smp_apic_timer_interrupt+0x1cb/0x760 [ 1167.444601] ? smp_reschedule_interrupt+0x109/0x650 [ 1167.449615] ? smp_call_function_single_interrupt+0x650/0x650 [ 1167.455494] ? interrupt_entry+0xb5/0xc0 [ 1167.459555] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1167.464570] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1167.469582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1167.474421] ? trace_hardirqs_on_caller+0x310/0x310 [ 1167.479462] ? trace_hardirqs_on_caller+0x310/0x310 [ 1167.484478] ? task_prio+0x50/0x50 [ 1167.488017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.493556] ? check_preemption_disabled+0x48/0x280 [ 1167.498590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1167.503437] apic_timer_interrupt+0xf/0x20 [ 1167.507662] [ 1167.509898] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 1167.514832] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 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 52 6a [ 1167.533728] RSP: 0000:ffff880192547738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1167.541428] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 1167.548691] RDX: 0000000000000000 RSI: ffff8801bffb4a80 RDI: 0000000000000286 [ 1167.555956] RBP: ffff8801925477a0 R08: ffff8801bffb4200 R09: 0000000000000000 [ 1167.563220] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1167.570482] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 1167.577790] skb_clone+0x1bb/0x500 [ 1167.581327] ? finish_task_switch+0x2f4/0x910 [ 1167.585820] ? skb_split+0x11e0/0x11e0 [ 1167.589705] ? preempt_notifier_register+0x200/0x200 [ 1167.594800] ? __switch_to_asm+0x34/0x70 [ 1167.598854] ? __switch_to_asm+0x34/0x70 [ 1167.602912] ? __switch_to_asm+0x40/0x70 [ 1167.606967] ? __switch_to_asm+0x34/0x70 [ 1167.611024] ? __switch_to_asm+0x40/0x70 [ 1167.615090] ? __switch_to_asm+0x34/0x70 [ 1167.619150] ? __switch_to_asm+0x40/0x70 [ 1167.623204] ? __switch_to_asm+0x34/0x70 [ 1167.627259] ? __switch_to_asm+0x34/0x70 [ 1167.631316] ? __switch_to_asm+0x40/0x70 [ 1167.635369] ? __switch_to_asm+0x34/0x70 [ 1167.639432] bpf_clone_redirect+0xb9/0x490 [ 1167.643667] ? __schedule+0x8d7/0x21d0 [ 1167.647556] bpf_prog_bebbfe2050753572+0xdf8/0x1000 [ 1167.652568] ? __sched_text_start+0x8/0x8 [ 1167.656729] ? find_held_lock+0x36/0x1c0 [ 1167.660793] ? lock_acquire+0x1ed/0x520 [ 1167.664764] ? bpf_test_run+0x3cb/0x780 [ 1167.668739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.674274] ? check_preemption_disabled+0x48/0x280 [ 1167.679291] ? kasan_check_read+0x11/0x20 [ 1167.683438] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1167.688713] ? rcu_softirq_qs+0x20/0x20 [ 1167.692688] ? preempt_schedule+0x4d/0x60 [ 1167.696836] ? ___preempt_schedule+0x16/0x18 [ 1167.701249] ? bpf_test_run+0x25d/0x780 [ 1167.705231] ? netlink_diag_dump+0x2a0/0x2a0 [ 1167.709641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1167.715172] ? bpf_test_init.isra.10+0x70/0x100 [ 1167.719847] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 1167.724613] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1167.729451] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1167.734985] ? fput+0x130/0x1a0 [ 1167.738263] ? __bpf_prog_get+0x9b/0x290 [ 1167.742323] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 1167.747158] ? bpf_prog_test_run+0x130/0x1a0 [ 1167.751568] ? __x64_sys_bpf+0x3d8/0x520 [ 1167.755628] ? bpf_prog_get+0x20/0x20 [ 1167.759442] ? do_syscall_64+0x1b9/0x820 [ 1167.763498] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1167.768859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1167.773785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1167.778626] ? trace_hardirqs_on_caller+0x310/0x310 [ 1167.783640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1167.788652] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1167.793673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1167.798521] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1167.803904] CPU: 0 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141 [ 1167.803963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1167.810914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1167.810919] Call Trace: [ 1167.810925] [ 1167.810942] dump_stack+0x244/0x39d [ 1167.810961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1167.817495] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1167.826782] warn_alloc.cold.116+0xb7/0x1bd [ 1167.829330] syz-executor0 cpuset=syz0 mems_allowed=0 [ 1167.831471] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1167.864933] ? lock_downgrade+0x900/0x900 [ 1167.869084] ? trace_hardirqs_off+0xb8/0x310 [ 1167.873497] ? trace_hardirqs_off+0xb8/0x310 [ 1167.877909] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1167.882776] ? warn_alloc+0x120/0x120 [ 1167.886577] ? warn_alloc+0x120/0x120 [ 1167.890386] ? warn_alloc+0x120/0x120 [ 1167.894185] ? print_usage_bug+0xc0/0xc0 [ 1167.898248] ? print_usage_bug+0xc0/0xc0 [ 1167.902306] ? ktime_get+0x2c1/0x400 [ 1167.906029] ? check_preemption_disabled+0x48/0x280 [ 1167.911041] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1167.915547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1167.921084] ? should_fail+0x22d/0xd01 [ 1167.924970] ? kasan_check_read+0x11/0x20 [ 1167.929114] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1167.934219] ? __lock_acquire+0x62f/0x4c20 [ 1167.938453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1167.943551] ? should_fail+0x22d/0xd01 [ 1167.947440] ? print_usage_bug+0xc0/0xc0 [ 1167.951519] ? mark_held_locks+0x130/0x130 [ 1167.955753] ? mark_held_locks+0x130/0x130 [ 1167.959984] ? check_preemption_disabled+0x48/0x280 [ 1167.965020] ? zap_class+0x640/0x640 [ 1167.968733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1167.973490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1167.979027] ? check_preemption_disabled+0x48/0x280 [ 1167.984051] ? __lock_is_held+0xb5/0x140 [ 1167.988120] __alloc_pages_nodemask+0xa80/0xde0 [ 1167.992784] ? zap_class+0x640/0x640 [ 1167.996497] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1168.001522] ? find_held_lock+0x36/0x1c0 [ 1168.005588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 1168.010256] ? lock_downgrade+0x900/0x900 [ 1168.014409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.019945] cache_grow_begin+0xa5/0x8c0 [ 1168.024013] ? do_raw_spin_unlock+0xa7/0x330 [ 1168.028428] fallback_alloc+0x204/0x2e0 [ 1168.032405] ____cache_alloc_node+0x1c7/0x1e0 [ 1168.037011] kmem_cache_alloc_node+0xe3/0x730 [ 1168.041584] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1168.046173] __alloc_skb+0x119/0x770 [ 1168.049879] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 1168.055243] ? netdev_alloc_frag+0x1f0/0x1f0 [ 1168.059655] ? vprintk_default+0x28/0x30 [ 1168.063711] ? vprintk_func+0x85/0x181 [ 1168.067597] ? printk+0xa7/0xcf [ 1168.071212] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1168.075998] new_skb+0x26/0x1c0 [ 1168.079278] aoecmd_cfg+0x279/0x7f0 [ 1168.082908] ? find_held_lock+0x36/0x1c0 [ 1168.086968] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 1168.091296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.096839] ? __lock_is_held+0xb5/0x140 [ 1168.100908] discover_timer+0x50/0x60 [ 1168.104704] call_timer_fn+0x272/0x920 [ 1168.108586] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1168.113427] ? process_timeout+0x40/0x40 [ 1168.117492] ? mark_held_locks+0xc7/0x130 [ 1168.121642] ? _raw_spin_unlock_irq+0x27/0x80 [ 1168.126130] ? _raw_spin_unlock_irq+0x27/0x80 [ 1168.130622] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1168.135463] ? lockdep_hardirqs_on+0x296/0x5b0 [ 1168.140042] ? trace_hardirqs_on+0xbd/0x310 [ 1168.144364] ? kasan_check_read+0x11/0x20 [ 1168.148505] ? __run_timers+0x7da/0xc70 [ 1168.152478] ? trace_hardirqs_off_caller+0x310/0x310 [ 1168.157588] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 1168.162426] __run_timers+0x7e5/0xc70 [ 1168.166233] ? timer_fixup_init+0x70/0x70 [ 1168.170381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1168.175397] ? zap_class+0x640/0x640 [ 1168.179114] ? print_usage_bug+0xc0/0xc0 [ 1168.183174] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 1168.188368] ? find_held_lock+0x36/0x1c0 [ 1168.192433] ? zap_class+0x640/0x640 [ 1168.196150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.201686] ? check_preemption_disabled+0x48/0x280 [ 1168.206709] ? __lock_is_held+0xb5/0x140 [ 1168.210766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.216299] ? check_preemption_disabled+0x48/0x280 [ 1168.221317] run_timer_softirq+0x52/0xb0 [ 1168.225380] ? rcu_read_lock_sched_held+0x14f/0x180 [ 1168.230396] __do_softirq+0x308/0xb7e [ 1168.234200] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 1168.238688] ? lock_downgrade+0x900/0x900 [ 1168.242839] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 1168.247948] ? pvclock_read_flags+0x160/0x160 [ 1168.252445] ? lapic_next_event+0x5a/0x90 [ 1168.256591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.262128] ? kvm_clock_read+0x18/0x30 [ 1168.266098] ? kvm_sched_clock_read+0x9/0x20 [ 1168.270505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.276040] ? check_preemption_disabled+0x48/0x280 [ 1168.281065] irq_exit+0x17f/0x1c0 [ 1168.284530] smp_apic_timer_interrupt+0x1cb/0x760 [ 1168.289372] ? smp_reschedule_interrupt+0x109/0x650 [ 1168.294388] ? smp_call_function_single_interrupt+0x650/0x650 [ 1168.300266] ? interrupt_entry+0xb5/0xc0 [ 1168.304324] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1168.309338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1168.314361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.319203] ? trace_hardirqs_on_caller+0x310/0x310 [ 1168.324214] ? trace_hardirqs_on_caller+0x310/0x310 [ 1168.329223] ? task_prio+0x50/0x50 [ 1168.332763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.338297] ? check_preemption_disabled+0x48/0x280 [ 1168.343317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1168.348164] apic_timer_interrupt+0xf/0x20 [ 1168.352387] [ 1168.354619] RIP: 0010:console_unlock+0x102f/0x1190 [ 1168.359545] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 61 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 1f 56 5d 00 e9 f2 fb ff [ 1168.378437] RSP: 0000:ffff8801c3315e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 1168.386139] RAX: ffff8801d1fb6140 RBX: 0000000000000200 RCX: 1ffff1003a3f6d4b [ 1168.393401] RDX: 0000000000000000 RSI: ffffffff81658256 RDI: 0000000000000293 [ 1168.400667] RBP: ffff8801c3315fb0 R08: ffff8801d1fb6a58 R09: 0000000000000006 [ 1168.407935] R10: 0000000000000000 R11: ffff8801d1fb6140 R12: dffffc0000000000 [ 1168.415208] R13: ffffffff8490e220 R14: dffffc0000000000 R15: ffffffff89b4e990 [ 1168.422477] ? netconsole_netdev_event+0x280/0x280 [ 1168.427410] ? console_unlock+0x1026/0x1190 [ 1168.431750] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 1168.436416] ? vprintk_emit+0x846/0x990 [ 1168.440392] ? lock_release+0xa00/0xa00 [ 1168.444365] ? trace_hardirqs_on+0x70/0x310 [ 1168.448681] ? vprintk_default+0x28/0x30 [ 1168.452737] ? trace_hardirqs_off_caller+0x310/0x310 [ 1168.457838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.463380] vprintk_emit+0x391/0x990 [ 1168.467180] ? wake_up_klogd+0x180/0x180 [ 1168.471249] ? find_held_lock+0x11/0x1c0 [ 1168.475317] ? mark_held_locks+0xc7/0x130 [ 1168.479467] ? _raw_spin_unlock_irq+0x27/0x80 [ 1168.483957] ? _raw_spin_unlock_irq+0x27/0x80 [ 1168.488459] vprintk_default+0x28/0x30 [ 1168.492345] vprintk_func+0x7e/0x181 [ 1168.496055] printk+0xa7/0xcf [ 1168.499156] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1168.503908] ? _raw_spin_unlock_irq+0x60/0x80 [ 1168.508408] dump_unreclaimable_slab.cold.22+0xd8/0xe6 [ 1168.513693] dump_header+0x7cc/0xf72 [ 1168.517439] ? pagefault_out_of_memory+0x197/0x197 [ 1168.522374] ? __lock_acquire+0x62f/0x4c20 [ 1168.526607] ? print_usage_bug+0xc0/0xc0 [ 1168.530669] ? zap_class+0x640/0x640 [ 1168.534382] ? print_usage_bug+0xc0/0xc0 [ 1168.538439] ? print_usage_bug+0xc0/0xc0 [ 1168.542502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.548038] ? find_held_lock+0x36/0x1c0 [ 1168.552119] ? mark_held_locks+0xc7/0x130 [ 1168.556267] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1168.561371] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 1168.566474] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 1168.571056] ? trace_hardirqs_on+0xbd/0x310 [ 1168.575371] ? kasan_check_read+0x11/0x20 [ 1168.579512] ? ___ratelimit+0x3b4/0x672 [ 1168.583483] ? trace_hardirqs_off_caller+0x310/0x310 [ 1168.588581] ? trace_hardirqs_on+0x310/0x310 [ 1168.592991] ? lock_downgrade+0x900/0x900 [ 1168.597148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 1168.602246] ? ___ratelimit+0x3b9/0x672 [ 1168.606217] ? idr_get_free+0xf70/0xf70 [ 1168.610184] ? find_held_lock+0x36/0x1c0 [ 1168.614249] oom_kill_process.cold.27+0x10/0x903 [ 1168.618998] ? zap_class+0x640/0x640 [ 1168.622711] ? check_preemption_disabled+0x48/0x280 [ 1168.627740] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1168.632666] ? kasan_check_read+0x11/0x20 [ 1168.636807] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1168.642080] ? oom_evaluate_task+0x540/0x540 [ 1168.646493] ? find_held_lock+0x36/0x1c0 [ 1168.650561] ? out_of_memory+0x974/0x1430 [ 1168.654709] ? lock_downgrade+0x900/0x900 [ 1168.658853] ? check_preemption_disabled+0x48/0x280 [ 1168.663871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1168.668796] ? kasan_check_read+0x11/0x20 [ 1168.672942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1168.678220] ? rcu_softirq_qs+0x20/0x20 [ 1168.682195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1168.687732] ? oom_evaluate_task+0x302/0x540 [ 1168.692153] out_of_memory+0xa84/0x1430 [ 1168.696134] ? oom_killer_disable+0x3a0/0x3a0 [ 1168.700626] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 1168.705555] ? __ww_mutex_check_waiters+0x160/0x160 [ 1168.710578] __alloc_pages_slowpath+0x2354/0x2e10 [ 1168.715444] ? warn_alloc+0x120/0x120 [ 1168.719244] ? mark_held_locks+0x130/0x130 [ 1168.723482] ? find_get_entry+0xaae/0x1120 [ 1168.727722] ? filemap_map_pages+0x1a20/0x1a20 [ 1168.732303] ? zap_class+0x640/0x640 [ 1168.736023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1168.741556] ? check_preemption_disabled+0x48/0x280 [ 1168.746566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1168.752100] ? should_fail+0x22d/0xd01 [ 1168.755990] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1168.761093] ? zap_class+0x640/0x640 [ 1168.764828] ? __lock_is_held+0xb5/0x140 [ 1168.768896] ? mark_held_locks+0x130/0x130 [ 1168.773128] ? lock_release+0xa00/0xa00 [ 1168.777102] ? perf_trace_sched_process_exec+0x860/0x860 [ 1168.782546] ? xa_load+0x2ba/0x460 [ 1168.786085] ? lock_downgrade+0x900/0x900 [ 1168.790243] ? __might_sleep+0x95/0x190 [ 1168.794218] __alloc_pages_nodemask+0xa80/0xde0 [ 1168.798891] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 1168.803906] ? __page_cache_alloc+0x191/0x5c0 [ 1168.808405] ? xa_load+0x2e1/0x460 [ 1168.811947] ? xa_clear_mark+0x40/0x40 [ 1168.815832] ? zap_class+0x640/0x640 [ 1168.819549] ? zap_class+0x640/0x640 [ 1168.823257] ? zap_class+0x640/0x640 [ 1168.826970] ? __do_page_cache_readahead+0x663/0x810 [ 1168.832075] ? find_held_lock+0x36/0x1c0 [ 1168.836136] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1168.841676] alloc_pages_current+0x173/0x350 [ 1168.846086] __page_cache_alloc+0x38c/0x5c0 [ 1168.850405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1168.855331] ? kasan_check_read+0x11/0x20 [ 1168.859485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1168.864759] ? generic_perform_write+0x6a0/0x6a0 [ 1168.869687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1168.875311] ? check_preemption_disabled+0x48/0x280 [ 1168.880333] filemap_fault+0x1595/0x25f0 [ 1168.884402] ? __lock_page_or_retry+0xa00/0xa00 [ 1168.889071] ? mark_held_locks+0x130/0x130 [ 1168.893322] ? filemap_map_pages+0xd6b/0x1a20 [ 1168.897814] ? lock_downgrade+0x900/0x900 [ 1168.902497] ? check_preemption_disabled+0x48/0x280 [ 1168.907520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1168.912444] ? kasan_check_read+0x11/0x20 [ 1168.916589] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1168.921864] ? rcu_softirq_qs+0x20/0x20 [ 1168.925847] ? filemap_map_pages+0xd92/0x1a20 [ 1168.930353] ? find_get_entries_tag+0x1400/0x1400 [ 1168.935190] ? find_held_lock+0x36/0x1c0 [ 1168.939267] ? lock_acquire+0x1ed/0x520 [ 1168.943243] ? ext4_filemap_fault+0x7a/0xad [ 1168.947566] ? lock_release+0xa00/0xa00 [ 1168.951536] ? perf_trace_sched_process_exec+0x860/0x860 [ 1168.956985] ? print_usage_bug+0xc0/0xc0 [ 1168.961057] ? down_read+0x8d/0x120 [ 1168.964680] ? ext4_filemap_fault+0x7a/0xad [ 1168.969002] ? __down_interruptible+0x700/0x700 [ 1168.973672] ? find_held_lock+0x36/0x1c0 [ 1168.977730] ext4_filemap_fault+0x82/0xad [ 1168.981876] __do_fault+0x100/0x6b0 [ 1168.985503] ? lock_downgrade+0x900/0x900 [ 1168.989650] ? pmd_devmap_trans_unstable+0x220/0x220 [ 1168.994761] ? kasan_check_read+0x11/0x20 [ 1168.998905] ? do_raw_spin_unlock+0xa7/0x330 [ 1169.003319] ? do_raw_spin_trylock+0x270/0x270 [ 1169.007914] __handle_mm_fault+0x3ea0/0x5be0 [ 1169.012327] ? perf_trace_lock+0x7a0/0x7a0 [ 1169.016565] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 1169.021414] ? ksys_dup3+0x680/0x680 [ 1169.025139] ? zap_class+0x640/0x640 [ 1169.028853] ? zap_class+0x640/0x640 [ 1169.032565] ? __x64_sys_futex+0x53e/0x6a0 [ 1169.036799] ? find_held_lock+0x36/0x1c0 [ 1169.040863] ? handle_mm_fault+0x42a/0xc70 [ 1169.045094] ? lock_downgrade+0x900/0x900 [ 1169.049236] ? check_preemption_disabled+0x48/0x280 [ 1169.054251] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 1169.059178] ? kasan_check_read+0x11/0x20 [ 1169.063422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1169.068694] ? rcu_softirq_qs+0x20/0x20 [ 1169.072666] ? trace_hardirqs_off_caller+0x310/0x310 [ 1169.077764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1169.083300] ? check_preemption_disabled+0x48/0x280 [ 1169.088320] handle_mm_fault+0x54f/0xc70 [ 1169.092379] ? __handle_mm_fault+0x5be0/0x5be0 [ 1169.096962] ? find_vma+0x34/0x190 [ 1169.100501] __do_page_fault+0x5e8/0xe60 [ 1169.104555] ? trace_hardirqs_off+0xb8/0x310 [ 1169.108959] ? kernel_write+0x120/0x120 [ 1169.112944] do_page_fault+0xf2/0x7e0 [ 1169.116741] ? vmalloc_sync_all+0x30/0x30 [ 1169.120884] ? error_entry+0x70/0xd0 [ 1169.124606] ? trace_hardirqs_off_caller+0xbb/0x310 [ 1169.129617] ? trace_hardirqs_on_caller+0xc0/0x310 [ 1169.134541] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1169.139465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1169.144304] ? trace_hardirqs_on_caller+0x310/0x310 [ 1169.149314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1169.154767] ? prepare_exit_to_usermode+0x291/0x3b0 [ 1169.159971] ? page_fault+0x8/0x30 [ 1169.163508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1169.168347] ? page_fault+0x8/0x30 [ 1169.171886] page_fault+0x1e/0x30 [ 1169.175336] RIP: 0033:0x404068 [ 1169.178535] Code: Bad RIP value. [ 1169.181892] RSP: 002b:000000c420023e48 EFLAGS: 00010202 [ 1169.187267] RAX: 000000c4261c76e0 RBX: 000000c42029d801 RCX: 000000c423350f38 [ 1169.194533] RDX: 000000c4261c76e0 RSI: 0000000000000001 RDI: 0000000000000001 [ 1169.201795] RBP: 000000c420023ed8 R08: 00007ffc9c59a0b0 R09: 00007ffc9c59a080 [ 1169.209057] R10: 0000000000031178 R11: 000000000000041a R12: 0000000000000001 [ 1169.216328] R13: 000000c42c0d7d40 R14: 0000000000000001 R15: 0000000000000000 [ 1169.223611] warn_alloc_show_mem: 1 callbacks suppressed [ 1169.223620] CPU: 1 PID: 9527 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141 [ 1169.223622] Mem-Info: [ 1169.223651] active_anon:52697 inactive_anon:188 isolated_anon:0 [ 1169.223651] active_file:12 inactive_file:9 isolated_file:0 [ 1169.223651] unevictable:0 dirty:0 writeback:0 unstable:0 [ 1169.223651] slab_reclaimable:9373 slab_unreclaimable:1453329 [ 1169.223651] mapped:49154 shmem:4338 pagetables:670 bounce:0 [ 1169.223651] free:13627 free_pcp:121 free_cma:0 [ 1169.228988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1169.236261] Node 0 active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:17352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1169.238651] Call Trace: [ 1169.271508] 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 [ 1169.280847] [ 1169.308494] lowmem_reserve[]: 0 2818 6321 6321 [ 1169.311068] dump_stack+0x244/0x39d [ 1169.337149] Node 0 DMA32 free:24820kB 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:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1169.339295] ? dump_stack_print_info.cold.1+0x20/0x20 [ 1169.343842] lowmem_reserve[]: 0 0 3503 3503 [ 1169.347470] warn_alloc.cold.116+0xb7/0x1bd [ 1169.374756] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:210788kB inactive_anon:752kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6912kB pagetables:2680kB bounce:0kB free_pcp:260kB local_pcp:4kB free_cma:0kB [ 1169.379943] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 1169.384235] lowmem_reserve[]: 0 0 0 0 [ 1169.388549] ? lock_downgrade+0x900/0x900 [ 1169.417236] 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 [ 1169.422076] ? trace_hardirqs_off+0xb8/0x310 [ 1169.425847] Node 0 DMA32: 3*4kB (M) 3*8kB (UMH) 3*16kB (M) 3*32kB (UM) 5*64kB (UMH) 4*128kB (M) 5*256kB (UMH) 4*512kB (UM) 4*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24820kB [ 1169.429992] ? trace_hardirqs_off+0xb8/0x310 [ 1169.443486] Node 0 Normal: 2275*4kB (UMEH) 409*8kB (UME) 88*16kB (UM) 2*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB [ 1169.447899] __alloc_pages_slowpath+0x26e8/0x2e10 [ 1169.463478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1169.467900] ? warn_alloc+0x120/0x120 [ 1169.481288] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1169.486118] ? print_usage_bug+0xc0/0xc0 [ 1169.494923] 4359 total pagecache pages [ 1169.498711] ? warn_alloc+0x120/0x120 [ 1169.507269] 0 pages in swap cache [ 1169.511315] ? warn_alloc+0x120/0x120 [ 1169.515175] Swap cache stats: add 0, delete 0, find 0/0 [ 1169.519050] ? print_usage_bug+0xc0/0xc0 [ 1169.522477] Free swap = 0kB [ 1169.526265] ? kvm_clock_read+0x18/0x30 [ 1169.531595] Total swap = 0kB [ 1169.531603] 1965979 pages RAM [ 1169.535654] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1169.538645] 0 pages HighMem/MovableOnly [ 1169.542608] ? print_usage_bug+0xc0/0xc0 [ 1169.545596] 342854 pages reserved [ 1169.548690] ? __lock_acquire+0x62f/0x4c20 [ 1169.553676] 0 pages cma reserved [ 1169.557638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1169.561725] aoe: skb alloc failure [ 1169.565112] ? should_fail+0x22d/0xd01 [ 1169.569366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 1169.572672] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 1169.578181] syz-fuzzer cpuset=/ mems_allowed=0 [ 1169.581709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1169.610691] ? __lock_acquire+0x62f/0x4c20